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66results about How to "Improve security measures" patented technology
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High power charging system for electric car and control method thereof
ActiveCN103187762AMeet needsImprove acceleration performanceBatteries circuit arrangementsElectric powerElectrical batteryCharge control
The invention proposes a high power charging system for an electric car. The high power charging system comprises a power cell, a charge connecting device, an external power supply device, and an electric control device, wherein the power cell is arranged inside the electric car; the charge connecting device comprises a power supply plug and an automobile plug; the external power supply device is connected with the power supply plug of the charge connecting device; the charge control device is arranged inside the electric car, connected with the power cell and connected with a car plug of the charge connecting device; and a modulated pulse-width modulation (PWM) wave signal is transmitted by the charge connecting device between the charge control device and the external power supply device, so as to achieve communication of the charge control device and the external power supply device. By adopting the system, uniform switching of a working state of each system can be achieved; each split system of the car is harmonically controlled; and the high power charging system is strong in compatibility. Meanwhile, a control method of the high power charging system for the electric car is also provided by the invention.
Owner:BYD CO LTD
Multiple layer hydrogen infiltration -resistant compound film preparation method
InactiveCN101265603AControllable thicknessImprove compactnessAnodisationMetallic material coating processesMicro arc oxidationHome position
The invention relates to a method for preparing a multi-layer hydrogen-permeation-resisting composite membrane, and belongs to the material technology field. The method adopts a coupling technique of aluminum and aluminum alloy coating and micro-arc oxidation to form the multi-layer hydrogen-permeation-resistance composite membrane at the home position on a stainless steel basal body, the composite membrane comprises an alloy layer formed by the basal body and coating metal, a coating metal layer, a composite layer formed by the coating metal and oxide ceramic and an oxide ceramic layer, etc., as shown in picture 1. Compared with the prior art, the method has the advantages of the aluminum and aluminum alloy coating and the micro-arc oxidation, overcomes the defect of the prior single technique, and forms the multi-layer hydrogen-permeation-resistance composite membrane with high capability; the ceramic layer thereof has controllable thickness, high compactness, good quality, and firm combination with the basal body, thereby enhancing the hydrogen-permeation-resisting and the corrosion-resisting properties of the stainless steel, improving the hot oxidation resistance and the abrasion resistance of the stainless steel, prolonging service life of the stainless steel container, and strengthening safety precautions.
Owner:SICHUAN UNIV
Anticollision device for rear of truck
The invention discloses an anticollision device for the rear of a truck, which comprises a collision cross bar and a pair of screw shearing energy absorbers arranged on both sides of the rear of a truck, wherein the thread shear energy absorbers respectively comprise a crank, a connecting rod, an energy absorbing screw and a shear slide block. The energy absorbing screws are arranged on a frame of the truck, the shear slide blocks are sleeved on the energy absorbing screws, the upper ends of the cranks are hinged to the frame, the upper ends of the connecting rods are hinged to the shear slide blocks, the lower ends of the connecting rods are hinged to the lower ends of the cranks, and the collision cross bar is connected with the lower ends of the connecting rods or the cranks of the thread shear energy absorbers. The anticollsion device for the rear of a truck has the advantages of simple structure, simple disassembly and assembly and stable absorption of collision energy, and prevents a rear-ended car from entering space below a truck.
Owner:CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
Incremental launching construction method for large-span steel box girder spanning constructed road
ActiveCN105568866AThe method steps are simpleSimple and fast operationBridge erection/assemblyButtressSteel box girder
The invention discloses an incremental launching construction method for a large-span steel box girder spanning a constructed road. An incremental launching steel box girder spans the constructed road, is supported by five permanent buttresses, and is formed by a plurality of steel box girder segments which are spliced back to front; the five permanent buttresses are all uncovered girder double-cylinder pillars; the uncovered girder double-cylinder pillars respectively consist of two cylindrical buttresses which are supported below the left side and the right side of the steel box girder; the incremental launching construction method for the incremental launching steel box girder comprises the following steps: I, splicing jig frames; II, constructing temporary buttresses and rigid brackets; III, splicing the steel box girder and mounting guide beams; IV, mounting an incremental launching device and a second longitudinal slideway beam; V, performing incremental launching. The method disclosed by the invention is simple in step, reasonable in design, simple and convenient to construct and good in use effect, and by constructing the rigid brackets on the outer sides of the buttresses and mounting a longitudinal slideway and a transverse deviation correcting device, the incremental launching construction of the large-span steel box girder can be easily, conveniently and rapidly completed.
Owner:THE NO 6 ENG CO LTD OF CHINA RAILWAY 20TH BUREAU GRP
Air treatment apparatus and method
InactiveUS20170097163A1Improve air qualityEfficient executionMechanical apparatusDispersed particle filtrationAir treatmentAir purification
An air treatment apparatus and method are disclosed in the present invention, wherein, at least one air treatment unit is included. The unit comprises air inlet, air outlet, air treatment devices and connecting components. The air treatment device is located between the air inlet and the air outlet. The air treatment device comprises at least one of the following components: component for air purification and filtering, blow-through fan, draw-through fan, pump, component for heating, component for dehumidifying, component for humidifying, component for air-cooling. The air treatment unit can be used alone for improving the air quality of the environment. When more than one unit are connected together with the connecting components, the units are teamed up and work together, and an air treatment system is formed.
Owner:AKOS R&D
System and method for achieving transaction safety protection of financial card based on location binding
InactiveCN104504566AReduce fraudFraud controlProtocol authorisationStructure of Management InformationService module
The invention relates to a system and a method for achieving transaction safety protection of financial card based on location binding, wherein the system comprises a user registration module which is used for obtaining registration information of a user and financial card information added by the user, and sending the information to a system platform for user registration and financial card addition; a location service module which is used for obtaining location information of a client terminal; the system platform comprises a user information storage module which is used for storing personal information and the financial card information of the user; a financial card using location obtaining module; a safety judgment module which is used for judging whether the transaction is safe based on that whether the using location of the financial card corresponding to the user is in accordance with the location of the client terminal at the same moment. The method and the system for achieving transaction safety protection of financial card based on location binding employing such a structure implement the safety judgment based on the location identification via binding the location of the financial card with the location of the client terminal, thus the transaction of the financial card is more safe and reliable; the method and system have a wider application range.
Owner:YINLIAN FINANCIAL INFORMATION SERVICE BEIJING CO LTD
Security method of personal data in cloud storage
ActiveCN104219234AAvoid technical bottlenecks and complex application environmentsImprove securityTransmissionClient-sideData security
The invention provides a security method of personal data in cloud storage. The security method includes, in the process of uploading of local data, encrypting the data by means of hardware encryption and then uploading the same to a cloud storage system so as to keep the data stored in the cloud storage system encrypted; in the process of downloading the data to a local device from the cloud storage system, decrypting the data by means of hardware decryption and then storing the same to the local device. According to the technical scheme, encryption and decryption of client files in cloud disks are independent of network and cloud computing systems, all the operations of encryption and decryption are completed on the client side, technical bottleneck and complicated application environment to implementation of data security measures on the cloud side are avoided, and the security method has the advantages of high safety, reliability and usability and the like.
Owner:SAGE MICROELECTRONICS CORP
System and method for over the air configuration security
InactiveUS7188243B2Improve security measuresGreat peace of mindDigital data processing detailsUser identity/authority verificationComputer securityOver the Air
A system and method for assigning security credentials to particular components within a mobile device, and for ensuring that only configuration messages having sufficient access privilege to those components are allowed access, based on the security credentials. The security credentials or “roles” describe which settings a particular configuration message has authority to modify or query. Access is disallowed to settings for which a message does not have adequate security credentials.
Owner:MICROSOFT TECH LICENSING LLC
Network monitoring system and method
The invention relates to the field of network monitoring and discloses a network monitoring system and method. The network monitoring system comprises a switch and a monitoring server, wherein the switch is used for collecting media access control (MAC) address information of a server connected with the switch and transmitting the MAC address information to the monitoring server. The monitoring server performs matching comparison on the MAC address information and the pre-registrated and stored legal MAC address information and gives out warning information to prompt technical staff of illegally-invaded computers when the MAC address information does not accord with the legal MAC address information. In the process, people only need to set a specific server to serve as the monitoring server without additionally configuring a network management system, so that manpower, material resources and network monitoring cost are reduced.
Owner:WENZHOU ELECTRIC POWER BUREAU +1
Electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device and use method
PendingCN106444684AReal-time monitoring of working conditionsImprove security measuresTotal factory controlProgramme total factory controlElectric power systemTransformer
The invention relates to the technical field of power systems and relates to an electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device and a use method. The electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device comprises a main control unit, a transmission unit, a data acquisition unit, a telecontrol equipment control unit and a client control module; the main control unit is in double-way communication connection with the transmission unit; the transmission unit is in double-way communication connection with the client control module; the data acquisition unit is in communication connection with the transmission unit; and the transmission unit is in communication connection with the telecontrol equipment control unit. The electrical equipment operating environment data acquisition and telecontrol comprehensive linkage device is reasonable and compact in structure and convenient to use, realizes comprehensive linkage between the data acquisition unit and each module in the telecontrol equipment control unit, realizes real-time monitoring of the working state of transformer substation equipment, the environmental condition of the transformer substation and the on-site maintenance condition, realizes centralized management of the transformer substation, reduces the production management cost, the human error of the connecting link and the operating risk of the transformer substation and improves the transformer substation monitoring efficiency and the line maintenance efficiency.
Owner:XINJIANG INFORMATION IND +1
Charged body distance measurement and alarm device based on combination of electric field and radar
PendingCN106546987AImprove reliabilityAvoid Electric Shock AccidentsAcoustic wave reradiationElectrostatic field measurementsPhysicsWireless data
The invention discloses a charged body distance measurement and alarm device based on combination of electric field and radar. A detection part comprises an electric field intensity measuring module, a radar ranging module, a signal conditioning circuit, a first single-chip microcomputer, and a wireless data sending module. An alarm part comprises a wireless data receiving module, a second single-chip microcomputer, and a sound-light alarm module. The device measures the electric field intensity at the location thereof and the distance between the device and a surrounding object in real time, compares the electric field intensity and the distance with corresponding thresholds respectively, judges whether there is a need for alarm and the alarm level, and gives a sound-light alarm to remind the staff to pay attention. The device is simple in installation, makes judgment quickly and accurately, and can effectively protect the safety of operation vehicles and personnel.
Owner:QUANZHOU POWER SUPPLY COMPANY OF STATE GRID FUJIAN ELECTRIC POWER +2
Air compressor full-automatic control system and control method thereof
InactiveCN108644098AAvoid blindnessImprove security measuresPump testingPositive displacement pump componentsAutomatic controlAutomatic train control
The invention relates to an air compressor full-automatic control system and a control method thereof. The air compressor full-automatic control system comprises an engine, a relay, an air pump, an air storing tank, an unloading valve, a pressure adjusting valve, a pressure adjusting motor, sensors and a controller; one end of the engine is connected with a power source through the relay, the other end of the engine is connected with the air pump, the air pump is connected into the air inlet end of the air storing tank, the unloading valve is arranged on a connecting pipe of the air pump and the air inlet end of the air storing tank, the air outlet end of the air storing tank is externally connected with the pressure adjusting valve, the pressure adjusting valve is externally connected with the pressure adjusting motor, air outlets of the air storing tank and the pressure adjusting motor are connected with the sensor a and the sensor b through pipes, and the relay, the unloading valve,the pressure adjusting motor, the sensor a and the sensor b are electrically connected with the controller or are in signal connection with the controller. By means of the control system, engine opening and closing can be achieved, full-automatic adjustment of the air pressure of the air storing tank and pressure adjusting of the pressure adjusting valve can be achieved, the adjusting intelligentdegree is high, the automatic operation provides extra protection measures, and the problems about too high air pressure, engine starting difficulties and the like are solved.
Owner:SHANGHAI LUHONG ELECTRONICS TECH CO LTD
Multifunctional cable tunnel inspection well
ActiveCN104164892AImprove ventilation efficiencyAchieve natural ventilationArtificial islandsPV power plantsEngineeringSolar cell
The invention discloses a multifunctional cable tunnel inspection well. An intelligent sewage discharge control box is installed on one side of a house wall on the upper portion of the inspection well. A switch door is arranged on the road facing face of the portion, located on the upper portion of the inspection well, of a house. A solar cell panel is installed at the top of the portion, located on the upper portion of the inspection well, of the house. An accumulator is installed on the portion, located on the upper portion of the inspection well, in the house and connected with the solar cell panel. A lamp is installed at the top of the portion, located on the upper portion of the inspection well, of the house. Rainproof shutters are installed on three faces of the portions, located on the upper portion of the inspection well, of the house and protective nets are installed on the shutters. A galvanized safety cover board is installed on the upper portion of a water collection pit. A crawling ladder is located on the lower portion of the inspection well. A cable support is located in a cable trench and extends to the lower portion of the inspection well. The water collection pit is located on the lower portion of the inspection well. A liquid level meter is located in the water collection pit. A submersible sewage pump is located in the water collection pit. A flexible waterproof casing pipe is located on a wall penetrating portion of a water drainage pipe. The water drainage pipe is connected with the submersible sewage pump and connected to an external water drainage inspection well. The multifunctional cable tunnel inspection well is easy to install, convenient to maintain, attractive in appearance, capable of saving energy and environmentally friendly.
Owner:ZAOZHUANG LIYUAN ELECTRIC POWER DESIGN +2
Online retrieval and intelligent analysis method and system of product information
InactiveCN101866340AImprove accuracyAbility to understand natural languageCommerceSpecial data processing applicationsSoftware systemInformation networks
The invention relates to an online retrieval and intelligent analysis method of product information and a software system implementation method. The existing application example is an intelligent information network system for searching and analyzing the internet product information. Based on the information system implemented by the invention, a meta-search technology is utilized for internet retrieval, the product information is analyzed by utilizing semantic reasoning, and the product information services relevant to market competition and business operation are provided for enterprises and government departments by utilizing accurate and visual product information report forms.
Owner:SHANGHAI CHENGFANG INFORMATION TECH
Material clamping device of track trolley
PendingCN112027542AReliable clampingClamping is reliableConveyor partsMechanical conveyorsPhysicsTrackway
The invention discloses a material clamping device of a track trolley. The material clamping device of the track trolley comprises a shell, a first sensor, a second sensor, a third sensor, a fourth sensor, a cylinder, a top plate, a first blocking sheet, a left clamping plate, a right clamping plate, a second blocking sheet, a travel switch and a cone. According to the material clamping device ofthe track trolley, effective safety protection measures are provided, and the movement of the FOUP can be limited from all directions after clamping; The mode that the left clamping plate and the right clamping plate move in the opposite directions is adopted, the top plate is located below the mushroom head and above the mushroom head; and moreover, the top plate makes close contact with the mushroom head all the time under the action of spring force, so that the problem of not tight clamping is solved; and the spring force is accurately calculated and tested, so that the FOUP cannot be damaged while it is guaranteed that the FOUP is reliably clamped. Therefore, the problem of over-tight clamping is avoided. The problems that clamping is too tight, clamping deviation is likely to happen,falling is likely to happen, and the position is wrong and cannot be recognized in the FOUP clamping and transferring process of an FOUP clamping device in the prior art are solved.
Owner:上海新创达半导体设备技术有限公司
Electronic apparatus having fingerprint sensor operating in vector mode
InactiveCN105843500ASimplified button configurationImprove security measuresDigital data authenticationAcquiring/reconising fingerprints/palmprintsMotion vectorSpecific function
Owner:MOREVALUED TECHNOLOGY CO LTD
Power distribution Internet of Things edge Internet of Things proxy network security protection method and system
PendingCN114584331AReduce the probability of illegal entryImprove securityKey distribution for secure communicationUser identity/authority verificationInternet privacyInternet of Things
The invention provides a power distribution Internet of Things edge Internet of Things proxy network security protection method and system. The method comprises the steps of performing credible authentication on an Internet of Things terminal and an Internet of Things management platform based on an edge Internet of Things proxy; after the credible authentication is passed, encrypting operation state data of the power distribution Internet of Things collected by the Internet of Things terminal and uploading the operation state data to the edge Internet of Things agent; or after data in the edge Internet of Things agent is encrypted, transmitting the encrypted data to the Internet of Things management platform in a ciphertext transmission mode, decrypting the encrypted data, and uploading the decrypted data to the application layer of the power distribution Internet of Things; according to the invention, the security and privacy of the power grid data in the edge internet-of-things agent are improved.
Owner:CHINA ELECTRIC POWER RES INST +3
Network type intelligent device safety gate access control system
ActiveCN102354407AEasy to manageImprove work efficiencyKey distribution for secure communicationIndividual entry/exit registersInformation processingElectric control
The invention discloses a network type intelligent device safety gate access control system, comprising a management center and a self-service terminal. The management center comprises the following modules: an information processing module for generating a key and an effective time, sending authentication information and issuing TF cards; a data transmission module for sending the key and the effective time to a communication network; and a data storage module for storing the key, the effective time and the operation records. The self-service terminal comprises a terminal host for realizing access control, an access control system for receving the key and the effective time information, and an electric control lock for opening or closing a case according to the TF cards. The network type intelligent device safety gate access control system, which is provided by the invention, is convenient to manage and can improve work efficiency.
Owner:WENZHOU ASIACOM TECH
Sign language recognition and translation system based on single chip microcomputer
InactiveCN107230414AEasy to useCatch in timeDiagnostic recording/measuringSensorsMicrocontrollerMicrocomputer
The invention discloses a sign language recognition and translation system based on a single chip microcomputer. The sign language recognition and translation system comprises a glove (1), and is characterized by further comprising a main control module (2) arranged in the glove (1), an angle sensor (3), a bending degree sensor (4), a blood oxygen sensor (5), a display module (6) and a wireless communication module (7) which are connected with the main control module (2), a data processing module (8) connected with the wireless communication module (7), and a WiFi module (9), a cloud server (10), a voice module (11), and a power supply module (12) which are connected with the data processing module (8). The sign language recognition and translation system mainly realizes barrier-free communication between deaf-mutes and ordinary people, translates sign language by means of the sensors, displays a translation result on a display screen carried in the system, and broadcasts the translation result by using mandarin; in addition, the sign language recognition and translation system can transmit physical condition information (heart rate, pulse, body temperature and the like) of a patient to a mobile phone or computer and the like of a doctor in real time by means of the cloud server, so that the doctor can monitor the physical conditions of the patient in real time.
Owner:TIANJIN UNIV OF TECH & EDUCATION TEACHER DEV CENT OF CHINA VOCATIONAL TRAINING & GUIDANCE
Externally-arranged touring car air conditioner capable of utilizing waste water
PendingCN106915219AImprove security measuresEasy to collectAir-treating devicesLighting and heating apparatusHydraulic cylinderToilet flushing
The invention discloses an externally-arranged touring car air conditioner capable of utilizing waste water. The externally-arranged touring car air conditioner comprises a mounting frame, groove steel plates, two mounting plates, an air conditioner external unit, a first hose, a waste water recovering tank, a controller, a water pump, a second hose, hydraulic cylinders, hydraulic rods, a cover plate, an external unit sleeve, a solar energy plate, air vents, a Bluetooth receiver, mounting holes, a water level gauge and a third hose. The waste water recovering tank is arranged at the lower ends of the two mounting plates and between the groove steel plates, one end of the water pump communicates with the interior of the waste water recovering tank through the second hose, the hydraulic cylinders are connected with the cover plate through the hydraulic rods, the solar energy plate is arranged at the upper end of the external unit sleeve, and the Bluetooth receiver is arranged at the upper end of the cover plate. The externally-arranged touring car air conditioner capable of utilizing the waste water has the beneficial effects that collection of the condensed water of the touring car air conditioner external unit is facilitated, the condensed water is used for toilet flushing and washing of a touring car and flower watering, utilization efficiency of the condensed water is improved, and energy-saving and environmentally-friendly effects are achieved; and through the cover plate and the external unit sleeve, the touring car air conditioner safety protection measurement is improved, the Bluetooth receiver is connected through a Bluetooth, and management is more convenient.
Owner:SHENZHEN WOHAISEN TECH CO LTD
Automatic welding system for framework of automobile dash board
InactiveCN107790932ASolve efficiency problemsSolve the high scrap rateProgramme-controlled manipulatorWelding/cutting auxillary devicesDashboardWelding power supply
The invention relates to the field of electrowelding or automation and provides an automatic welding system for a framework of an automobile dash board. The automatic welding system comprises a welding robot and clamp work stations. The welding robot comprises a welding gun head, a connecting arm and a base. The welding head is arranged on the base by the connecting arm. Each clamp work station comprises a clamp end, a clamp frame and a clamp base. The clamp ends are arranged on the clamp bases by the clamp frames. The welding robot and the clamp work stations are arranged correspondingly andmatched with an externally connected welding power source for welding operation. The automatic welding system is provided with the welding robot and the clamp work stations and is operated by the cooperation of both, such that the problems of low efficiency, high rejection rate and incomplete welding in manual welding are solved.
Owner:上海岩灵自动化工程有限公司
Building talk-back device based on network
InactiveCN103618879AImprove security measuresClosed circuit television systemsDisplay deviceCamera module
The invention relates to a building talk-back device based on a network. The building talk-back device comprises an indoor machine and an outdoor machine connected with the indoor machine through the wireless network, wherein the indoor machine comprises a controller, a wireless image transmitting module, a displayer and an image storing module, and the wireless image transmitting module, the displayer and the image storing module are connected with the controller; the outdoor machine comprises a control module and a camera module connected with the control module. The building talk-back device based on the network comprises the indoor machine and the outdoor machine connected with the indoor machine through the wireless network, wherein the indoor machine comprises the controller, the wireless image transmitting module, the displayer and the image storing module, and the wireless image transmitting module, the displayer and the image storing module are connected with the controller; the outdoor machine comprises the control module and the camera module connected with the control module. In this way, image data of outdoor people are obtained through shooting and transmitted to a user mobile phone, a user identifies whether to open a door or not, and therefore safety precautions are enhanced.
Owner:TIANJIN YUANRUNFA TECH
Safety type sweeping machine with alarming functions
InactiveCN108891374AAvoid drillingReduce accident lossesRoad cleaningVehicular safety arrangmentsEngineeringWedge shape
Owner:FUJIAN LUDA TRAFFIC FACILITY CO LTD
Trusted measurement control method based on the state and behavior of Internet-of-Things sensing layer
ActiveCN112257071AReduce security breachesImprove security measuresPlatform integrity maintainanceThe InternetActive measurement
The invention discloses a trusted measurement control method based on the state and behavior of an Internet-of-Things sensing layer, and the method comprises the steps: integrating a plurality of measurement elements, such as state trusted measurement and behavior trusted measurement, on the basis of a trusted network connection model of the Internet-of-Things sensing layer, and researching a trusted measurement mechanism of the Internet-of-Things sensing layer combining active measurement and passive measurement; and on the basis of trusted measurement, developing and writting a trusted operation control software code into the TPM chip, and embedding the TPM chip into the Internet-of-Things sensing layer, so that safe operation of the Internet-of-Things sensing layer is controllable. Aiming at a typical application scene of the Internet of Things, starting from a hardware bottom layer of a sensing layer, taking a trusted computing technology as a basis and taking access control as a core, the security of core service is ensured, a strict security protection environment is formed, malicious behaviors such as code tampering are resisted, and the research and development cost and equipment cost of sensing layer equipment of the Internet of Things are reduced; and internet-of-Things security holes can be reduced, national economic losses can be reduced, and national public properties can be protected.
Owner:江西畅然科技发展有限公司 +1
Safety protection device
InactiveCN102231225AImprove security measuresEnsure the safety of life and propertyAlarmsElectricityMicrocontroller
The invention discloses a safety protection device and belongs to the technical field of safety devices. The safety protection device comprises an automatic warning device, an object identification device, a microcontroller, a video camera, a recording device, a video analysis module and a power supply, wherein the output end of the power supply is electrically connected with the input end of the microcontroller; the microcontroller is electrically connected with the object identification device; the output end of the microcontroller is electrically connected with the input end of the automatic warning device; the output end of the video analysis module is electrically connected with the microcontroller; and the automatic warning device is internally provided with an automatic dialing module. The safety protection device provided by the invention has the beneficial effects that persons carrying with dangerous goods can be identified and the automatic warning function can be provided, thus strengthening the safety precautions in business places, ensuring the life and property safety of the staff; and the safety protection device provided by the invention is also simple in installation, low in cost, and applicable to round-the-clock convenience stores.
Owner:张洪旗
Nuclear grade cooling tower
ActiveCN101846460AImprove security measuresGuaranteed normal movementHeat exchange apparatusTrickle coolersAirflowEngineering
The invention relates to a nuclear grade cooling tower, comprising a tower body. The tower body comprises at least one air outlet and at least one air inlet, and the inner of the tower body is provided with a fan, a water collector, a water distributor and fillers from top to bottom. The fan is used to generate the circulating air which can exchange heat with water in the water collector, in the water distributor and in the fillers to decrease the temperature in the tower. The tower is characterized in that a baffle of the air outlet is arranged in the tower body between the fan and the air outlet, and the baffle is used to avoid the influence on normal operation of the fan by the objects or strong airflow passing the air outlet. Due to the baffle of the air outlet arranged in the tower body between the fan and the air outlet, the nuclear grade cooling tower has high safety precautions, thereby ensuring the normal operation under the conditions of falling objects and strong airflow impact caused by explosion, and the severe natural conditions such as the tornado and the like.
Owner:中广核工程有限公司 +1
an escape device
The invention discloses an escape device which at least comprises a safety waist and trouser belt, a prompt drop escape main rope, a prompt drop escape auxiliary rope, a connector, a Kevlar fiber connecting rope, a single speed-limiting box and a damper regulator, wherein the single speed-limiting box is connected onto the prompt drop escape main rope and used for dropping at a constant speed relative to the prompt drop escape main rope, the damper regulator is connected onto the prompt drop escape auxiliary rope and used for controlling the drop speed, one end of the connector is connected onto the safety waist and trouser belt, the other end of the connector is connected onto the prompt drop escape main rope through the single speed-limiting box, one end of the Kevlar fiber connecting rope is connected onto the safety waist and trouser belt, and the other end of the Kevlar fiber connecting rope is connected onto the prompt drop escape auxiliary rope through the damper regulator. Based on improvement of safety protection measures, the drop speed can be automatically regulated according to the weight of an escaper, the ropes are high in strength, fine in abrasion resistance, light in weight and beneficial to carrying and transfer, and the escape device is reasonable in structural design and simple, convenient and rapid to use.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
Grass cutter
The invention relates to a grass cutter which comprises a shell, a safety guard, wheels and a cutting device provided with blades, wherein the safety guard is arranged outside the shell; the wheels are used for supporting the shell; the cutting device is arranged under the shell, and the rotating blades perform cutting operation, and the cutting device performs eccentric cutting operation; the safety guard comprises an inner layer and an outer layer, and a height difference is formed between the inner layer and the outer layer. When the grass cutter touches an obstacle or works on a boundary line, as the cutting device can perform the eccentric cutting operation, a gap between the cutting device and the safety guard can be smaller, so that more grass or vegetations can be cut. By utilization of the safety guard with a double-layer structure, particularly, when the grass cutter is carried, the safety standards can be met, and good safety protection measures can be achieved.
Owner:POSITEC POWER TOOLS (SUZHOU) CO LTD
Escape device
The invention discloses an escape device which at least comprises a safety waist and trouser belt, a prompt drop escape main rope, a prompt drop escape auxiliary rope, a connector, a Kevlar fiber connecting rope, a single speed-limiting box and a damper regulator, wherein the single speed-limiting box is connected onto the prompt drop escape main rope and used for dropping at a constant speed relative to the prompt drop escape main rope, the damper regulator is connected onto the prompt drop escape auxiliary rope and used for controlling the drop speed, one end of the connector is connected onto the safety waist and trouser belt, the other end of the connector is connected onto the prompt drop escape main rope through the single speed-limiting box, one end of the Kevlar fiber connecting rope is connected onto the safety waist and trouser belt, and the other end of the Kevlar fiber connecting rope is connected onto the prompt drop escape auxiliary rope through the damper regulator. Based on improvement of safety protection measures, the drop speed can be automatically regulated according to the weight of an escaper, the ropes are high in strength, fine in abrasion resistance, light in weight and beneficial to carrying and transfer, and the escape device is reasonable in structural design and simple, convenient and rapid to use.
Owner:SHENZHEN MUNICIPAL DESIGN & RES INST
Pipeline gas safety control valve
InactiveCN104121396AAvoid Gas PoisoningSimple structureEqualizing valvesSafety valvesBall valveGas pipeline
The invention discloses a pipeline gas safety control valve. A gas inlet and a gas outlet are formed in a gas pipeline. A ball valve is arranged on the gas outlet. The safety control valve comprises a valve body, a support, a gas plug, a linking rod and a tension spring. The support is hollow and fixed into the valve body. The valve body is fixed to the portion between the gas inlet and the gas outlet in the gas pipeline. The linking rod is installed in a circular hole in the center of the support. One end of the linking rod is sleeved with the tension spring and the tension spring jacks the radial wall of the support. The gas plug is fixedly arranged at the other end of the linking rod. According to the pipeline gas safety control valve, safety protection measures are taken for utilization of pipeline gas, gas output is cut off in time when the gas leaks, accidents such as gas poisoning and a fire disaster caused by gas leakage are effectively prevented, and the device is simple in structure, low in production cost, safe, convenient to use, practical, safe, reliable and easy to obtain and popularize.
Owner:于建成
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