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37results about How to "Avoid misstatement" patented technology

System and method for comprehensive pipe gallery management based on BIM

InactiveCN104880986AAccurate analysisRealize 3D visualization managementProgramme controlComputer controlComputer moduleData acquisition
The invention discloses a system and a method for comprehensive pipe gallery management based on a BIM. The system comprises a data acquisition module, an emergency processing module, an auxiliary management module, a daily maintenance module, and a device management module. The method comprises: using the data acquisition module to acquire environment state data of a comprehensive pipe gallery and medium state data in a gallery accessing pipe, using the emergency processing module to generate an emergency processing scheme when emergency occurs, using the auxiliary management module to perform archive management and data statistics on operating data of the comprehensive pipe gallery, and using the daily maintenance module and the device management module to perform daily maintenance. The system and the method realize three-dimensional visual management on the whole comprehensive pipe gallery, ensure security of the comprehensive pipe gallery and life and property safety of workers, and improve operating efficiency.
Owner:CHINA CONSTR UNDERGROUND SPACE

Intelligent security and protection and fire extinguishing system

InactiveCN103176463ARealize the security functionRealize fire protection functionProgramme total factory controlControl systemDisplay device
The invention discloses an intelligent security and protection and fire extinguishing system which comprises a central control system, and also comprises a detection system, a display system, a warning system and a fire extinguishing device which are controlled by the central control system, wherein the detection system comprises a camera device and an induction device; the display device comprises a display screen; and the camera device comprises a sliding track and a plurality of cameras arranged in an application occasion, and the cameras are arranged on the sliding track and can freely move in the application occasion. By using the intelligent security and protection and fire extinguishing system capable of integrating security and protection and fire extinguishment, fire behavior can be accurately and immediately processed.
Owner:TIANJIN XINYUE FIRE FIGHTING ENG

Smoke alarm control method based on computer processing and system thereof

The invention discloses a smoke alarm control method based on computer processing and system thereof, relating to the field of smoke sensor. The smoke alarm control method includes that during the debugging, the smoke sensor acquires the environment smoke values and sends the values to an environment test module, the environment test module detects the environment to obtain the environment intrinsic state; the smoke sensor acquires environment smoke data and sends the smoke data to a value weight mean value processing module, the value weight mean value processing module calculates the smoke weight mean value (as shown in the description); the smoke alarm solution module determines whether the smoke value of the current environment is in a dangerous state based on the smoke weight mean value (as shown in the description) and the environment intrinsic state; and if the smoke value is in a dangerous state, a controlled relay is pulled in or disconnected. The invention further discloses a smoke alarm control system based on computer processing. The smoke alarm control method can improve the accuracy of smoke alarm and prevents smoke false alarm or error alarm.
Owner:CHONGQING RADIO & TV UNIV

Monitoring method and system based on mobile terminal

The invention provides a monitoring method and a monitoring system based on a mobile terminal. The method comprises the steps of detecting the movement condition of the mobile terminal; detecting the service condition of the mobile terminal for a user; if the movement condition shows that the mobile terminal has movement information, and the service condition indicates that the mobile terminal has at least one piece of contact information, use distance information, use angle information and use information in eyeball use information of the user, starting risk warning. According to the method and the system provided by the invention, detection accuracy on service condition of the mobile phone for the user can be improved, and accurate warning is achieved.
Owner:BEIJING BYTEDANCE TECH CO LTD

Imaging and temperature measuring device for bogie and underframe of running train

An imaging and temperature measuring device for a bogie and an underframe of a running train comprises one or more than one rail core array-type focal plane infrared thermal imaging sensor mounted on a rail core, and one or more than one rail core visible light imaging device mounted on the rail core, wherein two rail side array-type focal plane infrared thermal imaging sensors are respectively mounted on two sides of a rail; two rail side visible light imaging devices are respectively mounted on two sides of the rail; the rail core array-type focal plane infrared thermal imaging sensors, the rail side array-type focal plane infrared thermal imaging sensors, and the rail core visible light imaging devices and the rail side visible light imaging devices are all connected with an industrial personal computer on the rail edge. The imaging and temperature measuring device can measure the temperature data of the whole bogie, including bearings and wheels, and distribution of the temperature data, and the temperature measurement can achieve alarm in case of not only axle temperature distribution abnormality but also wheel temperature distribution abnormality and simultaneously can accurately discover whether members of the underframe drop off or are damaged, so that the alarm accuracy is remarkably improved, and the running safety of the train is comprehensively and reliably ensured.
Owner:CHENGDU KNIGHT TECH +1

Bag type dust remover monitoring and diagnosis analysis system

The invention discloses a bag type dust remover monitoring and diagnosis analysis system. The bag type dust remover monitoring and diagnosis analysis system includes monitoring hardware at a dust remover end, data acquisition equipment and a master computer; the monitoring hardware at the dust remover end includes a high-precision dust meter, a pressure transmitter and a differential pressure transmitter; the high-precision dust meter is installed on the position of an outlet pipe of a dust remover, a pressure tapping point of the differential pressure transmitter is installed in an inlet andoutlet of the dust remover, and the pressure transmitter is installed on a main output pipe of a gas storage tank; the data acquisition equipment is connected with the master computer, the data acquisition equipment includes a data acquisition cabinet which is internally provided with a PLC and a switch power supply, the data acquisition cabinet is connected with the PLC in an electric control cabinet of the dust remover in the field through a programming software, a switch and a network cable, and the data are synchronized and processed; and the programming software acquires the data of PLC in the data acquisition equipment through a protocol and the network cable. According to the bag type dust remover monitoring and diagnosis analysis system, the bag leakage judgment of a dust remover filtration system, the diagnosis of a lifting valve and a pulse valve of main components of a dust remover jet system, and the overall performance and multi-parameter evaluation analysis of the dust remover are realized.
Owner:杭州科灵威识精密仪器有限公司

Ultrasonic blind zone treatment method for anti-collision alarm system and anti-collision alarm system

The invention discloses an ultrasonic blind zone processing method for an anti-collision alarm system. The method includes the steps of triggering a blind zone signal processing when reaching the highest alarm level flag bit; if H < / =A, maintaining the highest alarm level flag bit; if H>A and H> / =B for n successive detection periods, outputting an alarm level flag bit corresponding to H, and otherwise maintaining the highest alarm level flag bit, where A<B; and if A<H<B for m successive detection periods, outputting the alarm level flag bit corresponding to H, and otherwise maintaining the highest alarm level flag bit, where A is a first distance threshold, B is a second distance threshold, H is an ultrasonic probe echo distance of the anti-collision alarm system, n>5, and m>5. The method of the invention can well solve the problem that signals jump and disappear in a detection blind zone of a sensor, is conducive to avoiding the driving safety hazard caused by false positives and non-reporting, and greatly improves the active safety performance of driving and the reliability of an intelligent driving assistance function.
Owner:LIANCHUANG AUTOMOBILE ELECTRONICS

A tax monitor system and monitoring method

InactiveCN109146656AReduce tax violationsReduce economic lossFinanceMonitoring systemDatabase
The invention discloses a tax monitoring system and a monitoring method. The system includes a system host, an alarm, a power module, a control input module, a kernel layer, a networking module, a taxdeclaration module and a block chain storage module, the memory includes a basic information storage unit, a tax Data Unit and a Tax Monitoring Procedure Unit for the current period, the system hostruns the tax monitor, reads the basic information from the basic information storage unit to perform calculations, obtains the tax data of the current period and stores them in the tax data unit of the current period and activating the alarm to send out the tax declaration warning signal, the manager operation control input module confirms or modifies the tax data to be reported in the current period. After confirmation, the system mainframe controls the operation of the tax declaration module, starts the tax declaration operation, and stores the tax declaration information in the block chainstorage module after the tax declaration is completed. The tax monitoring system or the tax monitoring method of the invention is simple in operation and high in efficiency, can reduce or reduce the behavior of the enterprise violating the tax law, and can reduce the economic loss and the bad influence caused by the tax problems of the enterprise.
Owner:东莞市恒邦企业服务有限公司

High-voltage interlocking detection system and method and electric vehicle

The invention discloses a high-voltage interlocking detection system and method and an electric vehicle. The system is applied to the electric vehicle and comprises high-voltage components, a high-voltage connector, high-voltage interlocking detection modules and a vehicle control unit, wherein the high-voltage interlocking detection modules are in one-to-one correspondence with the high-voltage components; the high-voltage component comprises a high-voltage interlocking detection input port and a high-voltage interlocking detection output port; the high-voltage connector is used for electrically connecting the two high-voltage components; the high-voltage interlocking detection module comprises a low-voltage signal source and a detection unit, the low-voltage signal source is electricallyconnected with the high-voltage interlocking detection input port, the input end of the detection unit is electrically connected with the high-voltage interlocking detection output port, and the output end of the detection unit is electrically connected with the vehicle control unit; the detection unit is used for detecting whether the connection of the corresponding high-voltage component is normal or not and generating a corresponding detection result; the vehicle control unit is used for judging whether the electric vehicle is powered off or not according to the detection result. Accordingto the system, fault points of high-voltage interlocking can be rapidly checked, and the maintenance rate is improved.
Owner:上海元城汽车技术有限公司

Elder falling detection method based on deep learning, detection wristband and storage medium

PendingCN111743545AKeep abreast of body informationAccurate judgmentEvaluation of blood vesselsSensorsOlder peopleSimulation
The invention provides an elder falling detection method based on deep learning, a detection wristband and a storage medium; body posture data and sign data are acquired by wearing the detection wristband, and the acquired data are calculated by using a constructed deep learning model. The method then includes correspondingly outputting a fall-down level according to the calculation result, outputting the fall-down level to the communication equipment, and giving an alarm. When the deep learning model is constructed, historical body posture data is learned through the neural network, conventional actions and habitual actions of the elderly under normal conditions can be effectively recognized, stress response when the elderly collides can be detected in time, and whether the elderly collides or not can be accurately judged by combining a set threshold value, missing report and wrong report are avoided. After the collision occurs, the invention includes evaluating the tumbling grade byusing the instantly detected sign data, and outputting an alarm. A rescuer is helped to know the body information of the old people in time and take correct rescue measures.
Owner:TIANJIN CHENGJIAN UNIV

Recoverable type linear temperature-sensing detecting instrument

The invention discloses a recoverable type linear temperature-sensing detecting instrument, comprising a first detecting device, a second detecting device, a third detecting device, a signal processing device and an alarming device, wherein each detecting device comprises a temperature-sensing cable, and a detector and a terminal resistor respectively connected to two ends of the temperature-sensing cable; each detector detects electrical signals of the corresponding temperature-sensing cable; the signal processing device receives the electrical signals from the first, second and third detectors respectively, compares values of the received electrical signals with a preset threshold range, and controls the alarming device to give out an alarm according to a comparison result. According to the recoverable type linear temperature-sensing detecting instrument provided by the invention, the electrical signals of three sets of detecting devices are comprehensively judged, so that the mistaken alarm caused by using the single cable is avoided, alarming reliability and sensitivity are improved, and repeated use can be achieved.
Owner:安徽蓝德仪表有限公司

Method for quickly and effectively judging crop area

The invention discloses a method for quickly and effectively judging the area of a crop. The method comprises the following steps of: collecting data, namely collecting an image with a certain resolution ratio, filling and reporting the area S1 of a land parcel, acquiring an area Sa and an area Sb visually interpreted by corresponding spectral characteristics through a classification decision tree, and acquiring an area set {S2} by combining the S1, the Sa and the Sb; layering the area set {S2} the land parcel, sampling each layer after layering, calculating sample capacity, and then randomly extracting sample land parcels for RTK actual measurement; and carrying out precision evaluation, respectively calculating the error rate of each layer, judging whether a result is within an allowable error rate, and if not, carrying out reprocessing to obtain an area set {S2}', and carrying out verification until the result is qualified; and finally, estimating the total sowing area of crops. According to the method, remote sensing and sampling investigation are integrated, and the accuracy of the land parcel area and the land parcel position is improved.
Owner:江苏天汇空间信息研究院有限公司

Major project dispatching command center

The invention discloses a major project dispatching command center, comprising: a central management platform, which is used for managing project warehousing, annual planning, progress reporting, problem coordination and data analysis; a mobile application platform, which is used for querying item information, alerting prompt and issuing instructions on the mobile terminal; a project remote management platform, for real-time viewing, tracking the site status of each project; a central display platform being used for displaying the project situation and the site condition; a data storage centerfor storing all data information. The beneficial effect includes: centralized monitoring of all project information, management, real-time view, and tracking the situation of each project site, any responsible person can log on to the mobile terminal at any time to view the project situation and their own tasks, the responsible leadership of the government, the development and Reform Bureau, theresponsible unit can accurately obtain the required project information, and timely report, greatly shorten the process time, and greatly improve the approval efficiency.
Owner:重庆盾琪科技有限公司

High-security big data analysis method with alarm function

The invention provides a high-security big data analysis method with an alarm function, and the method comprises the following steps: 1, a real-name authentication unit: a user uploads data after real-name authentication through the real-name authentication unit in advance, and the real-name authentication unit can be selected by different users in three modes, a tourist user can input the identity card number of himself / herself to enter the certificate verification channel for identity verification. Through cooperation of the real-name authentication unit, the identity of user uploading datacan be strictly authenticated, enterprise confidentiality leakage caused by mixing of lawbreakers and competitors is prevented, the safety in the data uploading process is improved, the uploaded datacan be preprocessed through the data processing unit, and through cooperation of the data analysis unit, the security of the data uploading process is improved. Three analysis modes of a basic counting analysis module, an unsupervised analysis module and a supervised analysis module can be respectively used for accurately analyzing the data.
Owner:南京先维信息技术有限公司

Audio device with lifesaving function

The invention discloses an audio device with a lifesaving function in the technical field of audio equipment. The audio device comprises a device shell and a loudspeaker arranged in the device shell;the loudspeaker is connected with a controller, the controller is connected with a main battery module, a human body induction sensor, a sound collector and a safety air bag respectively; the human body induction sensor and the sound collector are arranged at the upper end of the device shell, and the safety air bag is arranged at the lower end of the device shell; the safety air bag comprises anair bag body and a gas generator arranged in the air bag body, and the gas generator is connected with the controller. On the basis of ensuring normal playing of audio information, the audio device can cooperate with a user to carry out lifesaving support under the condition of accidental drowning; the audio device is strong in pertinence and high in efficiency, and can avoid mal-reporting and missing reporting of the drowning condition at the same time.
Owner:罗胤豪

Fire-fighting access lock and alarm system thereof

The invention belongs to the technical field of fireproof doors, and particularly relates to a fire-fighting access lock and an alarm system thereof. The fire-fighting access lock is mainly composed of two parts of a lock body and a lock head, and a lock tongue on the lock head can be mechanically opened through a push rod on the lock body and can also be opened through an electric actuating mechanism on the lock head. According to the fire-fighting access lock and the alarm system thereof, and the external signal input is received through a signal processor arranged in the lock body, meanwhile the condition of the opening state of the fire-fighting access lock is additionally judged by means of signals of a lock tongue signal switch and a door magnetic signal switch, a proper alarm is given out for reminding, false alarm and wrong alarm are avoided, and normal operation of places such as markets or supermarkets is guaranteed to the maximum extent.
Owner:温州杜肯五金有限公司

Information processing method and device based on AI and RPA

The invention provides an information processing method and device based on AI and RPA, and the method comprises the steps: obtaining to-be-processed information which comprises attribute information of a to-be-processed object and event information corresponding to the attribute information; determining whether the attribute information meets a preset reporting condition or not; and when the attribute information meets the reporting condition, controlling the RPA robot to report the attribute information and event information corresponding to the attribute information. Therefore, when the to-be-processed information meets the reporting condition, the RPA robot can report the to-be-processed information in time, so that the conditions of incomplete information filling, untimely information reporting, and wrong information reporting or missing information reporting are avoided.
Owner:BEIJING LAIYE NETWORK TECH CO LTD +1

Multi-state online monitoring system for lead-acid storage battery

The invention relates to a multi-state online monitoring system for a lead-acid storage battery, and belongs to the technical field of battery safety monitoring. The system comprises a body monitoringmodule, an environment monitoring module and a monitoring background. The body monitoring module comprises an internal resistance monitoring unit, a floating charge current monitoring unit and a lead-acid storage battery surface temperature monitoring unit. The internal resistance monitoring unit comprises a switching circuit, a constant-current discharge load and a voltage sensor which are connected in sequence, and the constant-current discharge load and the voltage sensor are connected in parallel. The floating charge current monitoring unit comprises a modulation circuit, an open type fluxgate probe, an overvoltage protection circuit and a signal processing circuit which are connected in sequence. The environment monitoring module is located in the lead-acid storage battery chamber and comprises a combustible gas monitoring unit, a smoke monitoring unit, a humidity monitoring unit and an image monitoring unit. Real-time state acquisition and monitoring are carried out on judgmentfactors which are sensitive to lead-acid storage battery failure or extremely early fire, and the accuracy of lead-acid storage battery fire identification is improved.
Owner:ELECTRIC POWER RES INST STATE GRID SHANXI ELECTRIC POWER

A high-voltage interlock detection system, method, and electric vehicle

The invention discloses a high-voltage interlock detection system, method and electric vehicle. The system is applied to electric vehicles, including: high-voltage components, high-voltage connectors, high-voltage interlock detection modules and vehicle control units; high-voltage interlock detection modules correspond to high-voltage components; high-voltage components include high-voltage interlock detection input ports and high-voltage The interlock detection output port; the high-voltage connector is used to electrically connect two high-voltage components; the high-voltage interlock detection module includes a low-voltage signal source and a detection unit, the low-voltage signal source is electrically connected to the high-voltage interlock detection input port, and the input terminal of the detection unit is connected to the high-voltage interlock detection input port. The high-voltage interlock detection output port is electrically connected, and the output end of the detection unit is electrically connected to the vehicle control unit; the detection unit is used to detect whether the connection of the corresponding high-voltage components is normal and generates a corresponding detection result; the vehicle control unit is used for According to the detection result, it is judged whether the electric vehicle is powered off. The system can quickly check the fault point of the high-voltage interlock and improve the maintenance rate.
Owner:上海元城汽车技术有限公司

Early warning system for arrival of bus

The invention provides an early warning system for the arrival of a bus, comprising an initial station waiting hall, a terminal station waiting hall, a plurality of buses travelling between the initial station waiting hall and the terminal station waiting hall and a plurality of first direction waiting halls and second direction waiting halls which are respectively arranged on two sides of a position between the initial station waiting hall and the terminal station waiting hall; the initial station waiting hall and the terminal station waiting hall are respectively provided with intelligent code converters; a radio frequency identification device (RFID) wireless transmitter is arranged on each bus; first direction wireless receivers and second direction wireless receivers for receiving signals transmitted by the RFID wireless transmitters are respectively arranged in the first direction waiting halls and the second direction waiting halls; and the first direction wireless receivers and the second direction wireless receivers are respectively and electrically connected with an early warning device of a bus stop platform. According to the invention, by adopting the RFID technology to realize the wireless transmission of the signals and using a code identification technology to ensure the accurate mutual identification between the bus and the bus stop platform, the whole system is more humanized and the travel is safer.
Owner:李布尔

Temperature-sensing automatic fire extinguishing device for dining car kitchen and using method

The invention discloses a temperature-sensing automatic fire extinguishing device for a dining car kitchen and a using method, and belongs to the technical field of dining car kitchen fire. The device comprises a fire extinguishing system and a controller; the fire extinguishing system comprises a first fire extinguishing agent bottle, a second fire extinguishing agent bottle, a gas control valve, a fire extinguishing pipeline, a smoke sensor, a temperature sensor and spray head devices; the first fire extinguishing agent bottle and the second fire extinguishing agent bottle are connected with the fire extinguishing pipeline through the gas control valve, the first fire extinguishing agent bottle and the second fire extinguishing agent bottle are installed in a bottle storage cabinet of an internal hollow structure, a replaceable support used for fixing the first fire extinguishing agent bottle and the second fire extinguishing agent bottle is arranged in the bottle storage cabinet, a pipeline through hole is formed in the upper end of the bottle storage cabinet and used for enabling the fire extinguishing pipeline connected to the output end of the gas control valve to penetrate out of the interior of the bottle storage cabinet and then extend into a smoke hood; and the plurality of spray head devices are arranged on the position, in the smoke hood, of the fire extinguishing pipeline. According to the temperature-sensing automatic fire extinguishing device for the dining car kitchen and the using method, the structure is simple.
Owner:南京厨功夫消防设备有限公司

Combined type transformer station

The invention belongs to the technical field of transformer stations, and in particular to a combined type transformer station including a main control unit, a remote real-time monitoring unit, a remote fault and accident situation alarm receiving unit, a wireless transmitting unit, an anti-interference unit and an executing unit. The remote real-time monitoring unit transmits the remotely collected data to the main control unit. The main control unit transmits the alarm signal to the remote fault and accident alarm receiving unit through the wireless transmitting unit to realize the fault alarm. The design of the anti-interference unit is adopted to improve the transmission quality of the wireless transmission unit, reduce the remote alarm error rate, and avoid misstatement and omission.
Owner:TIANJIN DINGYI ELECTRICAL EQUIP

Ignition state calibration method and equipment and computer readable storage medium

ActiveCN112145332ACalibration Method of Accurate Ignition StateCalibration Method of Reliable Ignition StateElectric ignition installationMachines/enginesSimulationFlameout
The invention discloses an ignition state calibration method and equipment and a computer readable storage medium. The method comprises the steps that when GPS data reported by the equipment are received, an ignition monitoring process is started, and time verification is conducted on each recorded packet of GPS data through the ignition monitoring process; each packet of GPS data subjected to time verification is written into an ignition monitoring queue; and when a count value of the ignition monitoring queue reaches a preset rated value, the current running state of the equipment is calibrated as an ignition state. The accurate and reliable vehicle ignition state calibration method is realized, the phenomena of less reporting, report missing and wrong reporting of ignition or flameout are avoided, and the stability in the state calibration process is improved.
Owner:深圳摩吉智行科技有限公司

Networking ring main unit fault indication system based on redundancy technology

The invention discloses a networking ring main unit fault indication system based on a redundancy technology. The networking ring main unit fault indication system comprises a front end and a background which are in communication connection. The background comprises a command center, a mobile patrol module and a data storage server which are in communication connection with one another; the front end comprises a plurality of ring main unit fault indication modules, the ring main unit fault indication modules receive information of adjacent ring main unit fault indication modules, and the ring main unit fault indication modules send the received information and information of the ring main unit fault indication modules to the background together; each ring main unit fault indication module comprises a plurality of interval fault indication modules, and any node interval is detected by two interval fault indication modules. According to the invention, by utilizing multiple designs of a redundancy technology, two different ring main unit fault indication systems are adopted for simultaneous detection for the same interval node, so that fault information false alarm and error alarm caused by self fault reasons of the ring main unit are reduced, and manpower and time are saved.
Owner:国网浙江省电力有限公司平湖市供电公司

High-reliability fault traveling wave range finding method and device of power distribution line

The invention relates to a high-reliability fault traveling wave range finding method and device of a power distribution line, and belongs to the technical field of relay protection of a power system. According to the method, power-frequency fundamental-wave voltage drop serves as a starting condition, traveling wave data in periods before and after the drop time is collected, and a fault travelling wave is screened from the travelling wave data in the periods. Thus, the fault traveling wave can be accurate searched from interference travelling waves, the fault is prevented from missing report and report errors, and the reliability of the fault range finding device is improved.
Owner:山东安亚电子信息有限公司 +1

Main control hot backup method of subway car broadcasting system

The invention relates to a master control hot standby method for a subway on-board broadcasting system. The method comprises a master-slave switching method and a master-slave working method. The master-slave switching method comprises the following steps: preference rules are preset; and according to a set threshold time, each controller makes judgments on status change conditions and decides whether to change a working mode or not according to the preference rules. The master-slave working method comprises the following steps: a controller in a master working mode schedules a train control bus and / or an internal bus to send roll calling data frames, control data frames and self-status data frames; a controller in a slave working mode achieves data synchronization through the control data frames; and the controller in the slave working mode or a carriage controller, on which roll calling is carried out, sends self-status data frames as response frames to respond to the controller in the master working mode. The method provided by the invention has the advantages that automatic switching between the working modes can be achieved, so that the automation level of the system is improved; and the data synchronization between the two controllers can be achieved, so that the problem of broadcast information misreporting of the controllers after the switching is avoided.
Owner:SUZHOU HUAQI INTELLIGENT TECH

Recovery method for hydrogen sulfide gas in conveying process

The invention discloses a recovery method for hydrogen sulfide gas in the conveying process after the hydrogen sulfide leaks. The method comprises the following steps: pipes (6) are guided out from a roasting fan inlet (4); sealing boxes (2) are additionally arranged at valves (3) and easy-leaking places; the pipes (6), guided out from the roasting fan inlet (4), are leaded under the valves (3) and the easy gas leaking places in box bodies of the sealing boxes (2); and hydrogen sulfide detectors (5) are placed in pipe openings of the box bodies of the sealing boxes (2). The method is simple, is low in one-time investment, improves the accuracy and the promptness of the hydrogen sulfide detectors, furthest protects the safety of polling staff, and reduces the environmental pollution after leakage.
Owner:WENGFU (GRP) CO LTD
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