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178results about How to "Various installation methods" patented technology

High-precision water quality online automatic monitor

The invention discloses a high-precision water quality online automatic monitor, which comprises a quantifying system, a sampling system, a reaction system and a control system; the quantifying systemcomprises a measuring glass tube, and the upper part of the measuring glass tube is provided with an ultrasound wave sensor; the sampling system comprises a peristaltic pump and an eight-way valve which are connected through a pipeline; the reaction system comprises a digestion device and a light emitting and receiving device, the digestion device comprises a digestion pipe and a PT100 sensor; both ends of the digestion pipe are provided with electromagnetic valves, and the electromagnetic valves are connected with the digestion pipe; the light emitting and receiving device comprises a lightemitter and a light receiver which are arranged at both sides of the digestion pipe; the control system comprises a single chip, a memory and a display module. Compared with the prior art, the fluid in the measuring glass pipe and the rest fluid content in the reagent bottle can be exactly measured through the ultrasound wave sensor and a distributed film pressure sensor; the high-precision waterquality online automatic monitor has the advantages of being strong in multifunctional expanding property, high in sensitivity and low in cost.
Owner:安徽英凯环境技术有限公司

Self-rope-arranging winch

The invention discloses a self-rope-arranging winch. The self-rope-arranging winch comprises a winding drum, a motor and a base. The motor is connected with a speed reducer, and the winding drum is installed on the base. The speed reducer is connected with a winding drum shaft of the winding drum to drive the winding drum to rotate. The self-rope-arranging winch further comprises pulleys. The pulleys move in the axial direction of the winding drum and further comprises a rope guide wheel. Steel wire ropes are unwound from the winding drum and are arranged by the rope guide wheel after bypassing the pulleys. By arranging the pulleys and the rope guide wheel, the horizontal installation, ceiling installation and vertical installation of the self-rope-arranging winch can be realized on the basis of the fixed and unified rope output direction without affecting the rope output direction, the use is convenient, the steel wire ropes can be orderly wound around the winding drum, and the synchronous lifting of all lifting points can be ensured.
Owner:江苏中惠舞台设备技术有限公司

Vibration signal acquisition method for intershaft bearing

The invention belongs to the detection technology field and relates to a vibration signal acquisition method for an intershaft bearing. The method includes the steps: utilizing an accelerometer to acquire a vibration signal of an intershaft bearing and a specially-produced sensor installation clasp, the sensor installation clasp being formed by a left half clasp and a right haft clasp that have exactly the same symmetrical structure; and installing the accelerometer on the sensor installation clasp to minimize the influence of imbalance upon a rotor shaft due to installation of the sensor. According to the acquisition method, the structural dimension of the sensor installation clasp is determined at first, the accelerometer is then installed, and finally, the vibration signal of the intershaft bearing is acquired. The installation mode of the accelerometer is improved. The method is capable of accurately acquiring the vibration signal of the intershaft bearing, a signal to noise ratio of the signal is increased, data is provided for fault diagnosis and state monitoring of the intershaft bearing, and great convenience is brought to subsequent monitoring and diagnosis.
Owner:DALIAN UNIV OF TECH

Method for reinforcing drop shaft in underground mine producing area

The invention relates to a method for reinforcing a drop shaft in an underground mine producing area and belongs to the field of metal mine and rock engineering reinforcement. The method is characterized in that the movement track of ores in the drop shaft during the ore discharge process is fully considered, model experiments and theoretical analysis method are adopted for determining the property of impact action and an impact failure region to the well wall generated by the ores according to the height of the drop shaft and the diameter of the drop shaft, the drop shaft is hereby divided into four stress regions, namely a first impact failure region, a second impact failure region, a fault fracture zone region and a wear-out failure region, and different forms are further adopted for reinforcement. The method is especially applicable to reinforcement of the drop shafts in the producing areas under soft and broken surrounding rock conditions, can be used for significantly prolonging the service life of the drop shaft and has the advantages of safety in construction, simpleness and low cost.
Owner:UNIV OF SCI & TECH BEIJING

Intelligent stage lamp

The invention discloses an intelligent stage lamp which comprises a bottom metal plate and a light-emitting radiator. The left end and the right end of the bottom metal plate are connected with a left side cover and a right side cover correspondingly. A driven bearing is arranged on the left side cover, and a drive gear is arranged on the right side cover. The drive gear is connected with a driving shaft of a transmission motor. Power plates are arranged on the left side and the right side of the bottom metal plate correspondingly. A battery is connected to the bottom metal plate. A radiator is arranged at the back portion of each power plate. The left end and the right end of the light-emitting radiator are connected with a left connecting plate and a right connecting plate correspondingly. The left connecting plate is connected with the driven bearing, and the right connecting plate is connected with the drive gear. Lifting motor devices are arranged on the left side and the right side of the light-emitting radiator correspondingly. An LED driving power panel is arranged on the light-emitting radiator. According to the intelligent stage lamp, the speed is extremely high when the focal length of a lens is changed, the model is light and convenient to use, installation and fixation are convenient, rapidness is achieved, firmness and reliability are achieved, maintenance is convenient, the structural model of the whole stage lamp is more reasonable and attractive, and therefore the intelligent stage lamp can be used for setting a stage scene in a dot matrix configuration manner
Owner:福建吉艾普光影科技有限公司

Method and device for detecting rule and regulation-breaking behaviors of vehicles

The invention relates to a method and device for detecting the rule and regulation-breaking behaviors of vehicles. The method includes the following steps that: the monitoring data of the vehicles are acquired by using a photographing device; vehicle information analysis processing is performed on the monitoring data of the vehicles, so that the position coordinates and running speed of the vehicles can be acquired; and rule and regulation breaking analysis processing is performed on the vehicles according to the monitoring data of the vehicles as well as the position coordinates and running speed of the vehicles, and the rule and regulation breaking data and related data of the vehicles are recorded; and the rule and regulation breaking data and related data of the vehicles are outputted to a server. According to the method and device of the invention, the vehicles of a plurality of lanes are detected in real time, high-accuracy vehicle running speed is provided, and speed measurement is accurate and is not affected by the weather and environment; and the internal hardware structure of the device is integrated, so that external connection interfaces of the device can be decreased, and the engineering construction of the device is simple and convenient, and the installation modes of the device are diversified.
Owner:BEIJING SIGNALWAY TECH

Radiation refrigeration curtain

The invention discloses a radiation refrigeration curtain which comprises a woven frame and a plurality of membrane strips arranged on the woven frame. At least part of the membrane strips comprises aradiation refrigeration layer, the radiation refrigeration layer comprises resin and a radiation refrigeration body dispersed in the resin, and the emissivity of the radiation refrigeration layer is70-100% in the wavelength range of 7-14 microns. The radiation refrigeration curtain has the advantages of being light in weight, good in bending resistance and diversified in installation modes, is paved outside an object or space to be cooled when cooling is needed, the radiation refrigeration layer is enabled to face the outer side and discharges its heat energy to the outside space with the temperature close to absolute zero degree in the form of 7-14 microns of electromagnetic waves through an atmosphere window, so that the temperature of the radiation refrigeration layer is reduced; dueto the existence of the temperature difference, the heat in the object or space to be cooled is continuously transferred to the radiation refrigeration layer with lower temperature, and the cooling ofthe object or space is finally achieved. When cooling is not needed, the radiation refrigeration curtain is put away.
Owner:NINGBO RADI COOL ADVANCED ENERGY TECH CO LTD

Chain type hoop support

The invention discloses a chain type hoop support which comprises a plurality of chain units connected in sequence. One end of each chain unit is extended to form a boss, and the other end of each chain unit is provided with a groove. The boss of each chain unit is inserted into the groove of the corresponding chain unit, the boss is connected to the chain unit through a connection device, a first lock head is hinged to the chain unit at one end, a second lock head is hinged to the chain unit at the other end, and the first lock head and the second lock head are connected through a screw rod and a nut. According to the chain type hoop support, variable installation modes are provided, the product can be adjusted, machining is convenient, the size is accurate, consistency is high, assembly is easy, batch production is facilitated, the structure is reliable, and performance is stable.
Owner:JIANGSU JST RF SYST

Vehicle-mounted aluminum-electricity module power supply system

The invention relates to a vehicle-mounted aluminum-electricity module power supply system, aiming at providing a vehicle-mounted power supply system which is simple in structure and long in power supply time and adopts wireless networking control. The system comprises a shell, an aluminum-electricity module, an intelligent electric meter and a power controller. The power supply terminal of the aluminum-electricity module is respectively connected with the charging terminal of a lithium battery pack and the power terminal of a driving motor, the power terminal of the driving motor is also connected with the power supply terminal of the lithium battery pack, and the control signal output terminal of the power controller is respectively connected with the control terminal of the aluminum-electricity module and the control terminal of the lithium battery pack. The electric quantity output terminal of aluminum-electricity module is connected with the detection signal terminal of the intelligent electric meter by a wireless communication device, the detection signal output terminal of the intelligent electric meter is connected with the signal receiving terminal of a network platform, the positioning signal receiving terminal of a wireless positioning device is connected with a positioning signal transmitting terminal of a satellite or a network base station, and the positioning signal output terminal of the wireless positioning device is connected with the signal receiving terminal of the network platform.
Owner:吴耀琪

Ultra-thin passive wireless acoustic surface wave sensor

The invention relates to an ultra-thin passive wireless acoustic surface wave sensor. The ultra-thin passive wireless acoustic surface wave sensor is characterized by comprising a PCB, a micro-strip antenna and an acoustic surface wave sensor chip. Both the micro-strip antenna and the acoustic surface wave sensor chip are arranged on the PCB, and the micro-strip antenna is connected with the acoustic surface wave sensor chip. The ultra-thin passive wireless acoustic surface wave sensor is simple and compact in structure, and small in occupied space even though the antenna is provided.
Owner:CHANGZHOU SMARTSAW SENSING TECH

Internal and external circulation positive pressure air purifier

The invention relates to an internal and external circulation positive pressure air purifier. The purifier comprises a controller and a main body with a chamber, wherein the chamber is divided into an air inlet chamber and an air flue chamber by a filter installed in the chamber; the portion, where the air inlet chamber is formed, of the main body is provided with an external circulation air inlet and an internal circulation air inlet; the external circulation air inlet is communicated with the outside through a through-wall fresh air pipe, and the internal circulation air inlet is communicated with a room; a draught fan with a control end in communicating connection with a controller is installed in the air flue chamber; the portion, where the air flue chamber is formed, of the main body is provided with an air outlet which is communicated with the room; an internal circulation air valve is installed in the internal circulation air inlet and is a hand valve or an electric valve with a control end in communicating connection with the controller. The purifier has the advantages that a pressure difference exists between the outside and the room, and healthy indoor air is ensured; wind resistance is small, air flow is smooth, and accordingly the requirement for power of the draught fan is low, and energy is saved; installation is convenient without limitation; a negative ion assembly further purifies the air.
Owner:王水英

Safe collision-preventing device of industry material handling vehicle

The invention belongs to the field of industrial safety, and particularly relates to a safe collision-preventing device of an industry material handling vehicle. The technical scheme includes that obstacle position information is detected through a safe laser scanner, and compared with a current protecting area stored inside the safe laser scanner, a comparison result is transmitted through a wireless data transmission module, a central control system controls the industry material handling vehicle according to the comparison result, safety protecting of the industry material handling vehicle is realized, safety of people and equipment in the process of running of the industry material handling vehicle is guaranteed, and safety accidents are effectively avoided.
Owner:BEIJING INST OF SPECIALIZED MACHINERY

Motor mounting structure with electromagnetic induction type rotary transformer

The invention provides a motor mounting structure with an electromagnetic induction type rotary transformer. The motor mounting structure comprises a motor body, the electromagnetic induction type rotary transformer and a motor controller module, wherein the electromagnetic induction type rotary transformer is connected with the motor body, and is used for outputting a coding signal; and the motorcontroller module is used for receiving the coding signal and controlling the motor body. Compared with the prior art, the motor mounting structure with the electromagnetic induction type rotary transformer has the following advantages that 1) the mounting modes of the motor are diversified and simple, and installation in a shaft penetrating manner, a shaft end manner and a shaft side edge mannercan be realized; 2) a non-contact induction mode is adopted, so that the service life is long; 3) the structure is anti-jitter, oil-resistant and anti-electromagnetic interference and high in high-temperature resistance and high in low-temperature resistance; and 4) an output signal form can be adapted to any motor controller interface.
Owner:赛卓电子科技(上海)股份有限公司

Rotating mechanism

This invention discloses an effective movement mechanism rotating leftwards and rightwards, specifically relating to a novel portable / load-bearing / multi-parameter / adjustable rotating mechanism; a stepping motor (4), a gear locating shaft (5) and a planetary claw(10) are fixed with a connecting board (2); after power is switched on, the stepping motor starts to work, torque transmitted by a motor shaft through a motor gear drives three planetary gears (7) to move; by dint of classical deceleration principle, the three planetary gears are matched with gear rings (6) so as to effectively reduce high rotating speed transmitted from the output end of a motor, thus, speed is reduced so as to satisfy the use demand; service life is also prolonged; the gear rings (6) are fixed on an upper cover (1) and the gear locating shaft (5) is also fixed, therefore, the planetary gears are rotated automatically and drive the gear rings (6) and the upper cover (1) to rotate simultaneously; the upper cover is located and moves with the planetary claw(10) and the connecting board (2) through a bearing (11), thus rotating concentricity is ensured so as to realize the work that motor transmission drives the upper cover (1) to rotate.
Owner:JAINGSU TOPSCI ENVIRONMENTAL PROTECTION TECH

Suspension type integrated ceiling

The invention discloses a suspension type integrated ceiling. The suspension type integrated ceiling comprises an upper-lower-layer connection beam, a side-closing line structure, a junction seam pressing bar, a suspension rod, a large hanging device, decorative buckles, self-tapping screws, a main ceiling board and a secondary ceiling board, wherein the upper-lower-layer connection beam comprises a first clamping part, a second clamping part, a fixing groove, a vertical rod and a clamping groove; the side-closing line structure comprises a wall adhering rod, a mounting groove and a clamping mechanism; the junction seam pressing bar comprises a pressing bar bottom surface, a left pressing bar surface, a right pressing bar surface, a left pressing bar top and a right pressing bar top. According to the suspension type integrated ceiling, the ceiling is convenient and quick to mount, reasonable in design and stable in structure; the mounting manners of the ceiling are various; the ceiling is integrated with aesthetic property and practicability, and thus the popularization and application of the ceiling are easy.
Owner:HAIYAN MDHO ELECTRICAL APPLIANCE TECH

Dynamic temperature measurement system and dynamic temperature measurement method for railway train's key component

The invention discloses a dynamic temperature measurement system and a dynamic temperature measurement method for key components of railway vehicles, which belong to the field of monitoring the safe operation of railway vehicles; the dynamic temperature measurement system includes: a passive temperature measurement electronic label, a radio frequency antenna and a reader host; monitoring software and repeat management terminal software; central server, repeat decision terminal server and mobile handheld repeat terminal; the dynamic temperature measurement method is: the radio frequency antenna receives the data of the passive temperature measurement electronic tag, and reads The host control and aggregation of the output device is transmitted to the central server and the terminal server for repeating the decision-making, runs the monitoring software and the terminal software for the repeating management, analyzes and processes the data, and performs related calculations through the in-depth data model; and according to different early warning decision-making models, Carry out hierarchical early warning decision-making, and the output results are repeated through the mobile handheld repeating terminal; the present invention is simple and convenient to maintain, safe and reliable, without manual intervention, and transmits data in motion, a real-time dynamic monitoring system.
Owner:BEIJING CTROWELL INFRARED TECHN +1

Adjustable mainboard support in computer host box and method of use thereof

The present invention provides a computer host case inside adjustable mainboard bracket and a usage thereof, relating to the computer technical field. The computer host case inside adjustable mainboard bracket adopts a technical key of organically combining a bracket, a guide rail and a slider to provide a connection mode of a computer mainboard. The computer host case inside adjustable mainboard bracket has a computer host case fastened with the bracket, wherein the bracket is fastened with the guide rail; the guide rail is in slide movable connection with the slider and is fastened through a slider fixing screw hole on the slider; the slider and the computer mainboard are fastened through a mainboard fixing screw hole on the slider. The usage of the computer host case inside adjustable mainboard bracket comprises the following steps that: the computer host case inside adjustable mainboard bracket is fastened inside the computer host case; the guide rail and the slider are loosened so as to allow the slider to slide to a needed position; the computer mainboard is fastened on a mainboard fixing screw hole on the slider; the slider is fixed on the guide rail through the slider fixing screw hole of the slider. The computer host case inside adjustable mainboard bracket is used for the installation of the computer mainboard. The intrinsic structure of the case is adapted to various mainboards; after the mainboard is fixed, the mainboard can be adjusted at will and does not conflict with a CD driver, thereby adapting to the development needs of computers.
Owner:北京瀚弘达科技有限公司

Method for measuring light obscuration of black smoke vehicle based on grey level of camera

ActiveCN109115731AMeasuring OpacityQuick responseTransmissivity measurementsLuminosityLight obscuration
The invention relates to a method for measuring light obscuration of a black smoke vehicle based on a grey level of a camera. The method for measuring the light obscuration of the black smoke vehiclebased on the grey level of the camera comprises the following steps: (1) shooting colorful image through the camera when the vehicle passes by the camera; (2) identifying and selecting useful areas inpattern by using an area identification algorithm, wherein the useful areas comprise a reflection plate measurement area and a reference compensation area; (3) accurately identifying a black smoke effective area with combination of an area detection algorithm and an area growth algorithm; (4) calculating the light obscuration of the black smoke of the vehicle; and (5) saving the black smoke imagewhen the calculated light obscuration exceeds unqualified limit. The invention aims to provide a method for measuring the light obscuration of the black smoke vehicle based on the grey level of the camera; the method is capable of carrying out effective and remote measurement; a device used in the method is simple in structure and convenient to adjust; the method is capable of monitoring the situation of the black smoke discharged by the vehicle in the running process, accurately measuring the light obscuration of the black smoke, shooting the black smoke image and taking the black smoke image as the basis of law enforcement.
Owner:ZHEJIANG UNIV MINGQUAN TECH

Wireless temperature measurement sensor having self-adaptability

The invention discloses a wireless temperature measurement sensor having self-adaptability. The wireless temperature measurement sensor having self-adaptability is characterized by comprising a waterproof casing and an inner circuit, wherein the inner circuit comprises a temperature measurement probe, an AD conversion circuit, a micro processor, a timer, a memory, a switch circuit and a wireless transceiver module, an output end of the temperature measurement probe is connected with the AD conversion circuit, an output end of the AD conversion circuit is connected with the micro processor, an output end of the micro processor is connected with the switch circuit, an output end of the switch circuit is connected with the wireless transceiver module, the micro processor is further respectively connected with the timer and the memory, the waterproof casing is provided with a USB interface, and the USB interface is respectively connected with the memory and the micro processor. The wireless temperature measurement sensor having self-adaptability is provided with the waterproof casing, has advantages of long service life, good waterproof performance, simple structure and convenient mounting and makes the wireless transceiver module arranged in the sensor.
Owner:CHENGDU BILSUM SCI & TECH DEVCO

Light emitting diode and manufacturing method thereof

A light emitting diode comprises a base, a first electrode, a second electrode and a light emitting chip. The first electrode and the second electrode are arranged on the base, and the light emitting chip is electrically connected with the first electrode and the second electrode. The first electrode comprises a first body and a plurality of first supporting electrodes, wherein the first supporting electrodes extend outwards from the first body; and the second electrode comprises a second body and a plurality of second supporting electrodes extending outwards from the second body. The first supporting electrode and the second electrode are exposed from the outside of the base; at least one first supporting electrode and one second supporting electrode are exposed from the opposite side of the base, and at least one first supporting electrode and at least one second supporting electrode are exposed from the same side of the base. The light emitting diode can be installed by different manners and at different positions, and accordingly has high installation adaptability. The invention further discloses a manufacturing method of the light emitting diode.
Owner:ZHANJING TECH SHENZHEN +1

High-efficiency composite braking mode alternating current frequency conversion winch and lowering control method thereof

ActiveCN108639985AFast drilling speedDrill down quicklyWinding mechanismsFrequency conversionControl system
The invention discloses a high-efficiency composite braking mode alternating current frequency conversion winch. The high-efficiency composite braking mode alternating current frequency conversion winch comprises an automatic bit feed device and a PLC (Programmable Logic Controller) control system, wherein the automatic bit feed device is connected to a speed changing box which is connected to analternating current frequency conversion main motor and a drum shaft assembly respectively through a first coupler and a clutch; the drum shaft assembly is connected to an electromagnetic eddy currentbrake by a second coupler; or a drum shaft of the drum shaft assembly is in key connection with the electromagnetic eddy current brake; a hydraulic disk type brake is in key connection between the electromagnetic eddy current brake and the drum shaft assembly; the PLC control system is connected to a driller control room, a frequency convertor, a drum coder and a clutch; the driller control roomis connected to the electromagnetic eddy current brake and the hydraulic disk type brake; the frequency convertor is connected to the alternating current frequency conversion main motor; and the drumcoder is connected to the drum shaft assembly. The high-efficiency composite braking mode alternating current frequency conversion winch disclosed by the invention has three types of brakes. The invention also discloses a lowering control method of the high-efficiency composite braking mode alternating current frequency conversion winch.
Owner:BAOJI PETROLEUM MASCH CO LTD +2

Safety protection combined protection device for wall-climbing robot

The invention relates to a safety protection combined protection device for a wall-climbing robot. The safety protection combined protection device is used for the wall-climbing robot when the wall-climbing robot encounters an abnormal or emergent situation during working. The safety protection combined protection device detects and controls all adsorption devices of the wall-climbing robot in real time, so that the robot is protected and recycled. According to the technical scheme, a device main body is composed of a main air bag bin, an annular air bag bin, a magnetic air bag bin, a controlmodule and a gas generator module, wherein the control module is placed at the bottom in the main air bag bin, the main air bag bin is connected with a gas generator A through wires, an air bag A is connected with the gas generator A and placed on the upper portion of the control module, and a safety valve A is arranged at a bag opening; the control module is connected with gas generators in the annular air bag bin and the magnetic air bag bin, an air bag B is placed in the annular air bag bin and attached to the inner surface of the annular air bag bin, and a safety valve B is arranged at anopening of the air bag B; and a gas generator C is arranged in the magnetic air bag bin, and a safety valve C is arranged at a bag opening. The safety protection combined protection device for the wall-climbing robot adopts a modularized and miniaturized structure, is simple to install and convenient to disassemble, and improves the safety.
Owner:SOUTHWEST PETROLEUM UNIV

Intelligent LED multifunctional power transmission and distribution language identification device

The invention relates to an intelligent LED multifunctional power transmission and distribution language identification device, and belongs to the field of intelligent power transmission and distribution maintenance equipment. The device comprises an electronic display module, a voice broadcast module, a power supply module, a mounting and fixing module and an intelligent control module; the electronic display module comprises an LED electronic display screen, and the LED electronic display screen is provided with a USB connection socket; the electronic display module and the voice broadcast module cooperate with the intelligent control module to display and broadcast identification content after editing, control and management; the mounting and fixing module comprises a strong negative pressure suction cup, a hanging hole and a flexible connecting strip; the strong negative pressure suction cup is provided with a hook, and an upper adhesive tape is distributed around the hook; the flexible connecting strip is provided with lap-joint buckles and a lower adhesive tape cooperatively adhering to the upper adhesive tape. The device is mounted and fixed on different occasions through the variable mounting and fixing module, and the use is convenient and quick; the identification content can be intelligently controlled, information can be replaced at any time according to the actualsituation, identification is obvious, and the warning effect is good.
Owner:国网河南省电力公司南召县供电公司

Hollow LED halftone screen

The invention discloses a hollow LED halftone screen, which consists of a plurality of unit plates; each unit plate comprises a plurality of PCB circuit boards; each PCB circuit board comprises an LED light-emitting unit, a single wire transmission control chip, a positive source line, a negative source line and a signal control line; and the plurality of PCB circuit boards in each unit plate areconnected at any angle into a net shape through the positive source line, the negative source line and the signal control line, and a penetrating blank space is formed between two adjacent PCB circuit boards and two adjacent PCB circuit board trunks. The hollow LED halftone screen has the advantages of simple lines, stable control signals, steady screen body, flexible mounting mode, low production cost and the like, and can be mounted by adopting modes such as beam type, single sling type, double sling type and multi-sling type.
Owner:SIPHOTON TECH ZHANGJIAKOU CO LTD

A Beidou multi-module short message data communication terminal

The invention discloses a Beidou multi-module short message data communication terminal, including bottom plate, the upper surface of the bottom plate is connected with two screws symmetrically distributed, the screw thread is sleeved inside the stationary block, the fixed block is provided with two blocks in total, the two fixing blocks are symmetrically fixed on the outer wall of the communication terminal placement box through plastic welding, a fixed column is welded above the fixed block, a sunshade arc plate is fixedly inserted above the fixed column, an inner groove is arranged inside the fixed column, a screw is movably inserted inside the inner groove, a communication terminal body is arranged inside the communication terminal placing box, and a water-proof cover is arranged abovethe communication terminal placing box. The invention can adjust the use height of the communication terminal body through the meshing action between the rotatable screw and the stationary block, avoid the installation site from being immersed in water due to poor rainwater evacuation, affect the use performance, improve the use flexibility of the installation, and have strong practicability.
Owner:南京北宇新通科技有限公司

Ventilated vacuum well for sewage tank

The invention relates to a ventilated vacuum well for a sewage tank. The ventilated vacuum well is used for collecting sewage at a sewage source and discharging the sewage into a downstream sewage treatment pipe network. The ventilated vacuum well comprises a well body, a pneumatic controller, a vacuum blow-down valve, a liquid level sensor, a sewage pipeline system and a ventilation pipeline system, wherein the pneumatic controller, the vacuum blow-down valve and the liquid level sensor are arranged in the well body, and the sewage pipeline system and the ventilation pipeline system are connected with the well body; the liquid level sensor is used for sensing the rise and fall of water level so as to drive the pneumatic controller to drive the vacuum blow-down valve to work, the pneumaticcontroller can be used for ventilation, water collection and drainage, and the integral structure is compact; and a gravity sewage inlet pipeline is arranged in the sewage pipeline system. When the ventilation pipeline system is connected with the gravity sewage inlet pipeline, a lifting bent pipe is arranged on the gravity sewage inlet pipeline to generate water resistance, so a pressure reliefdevice is arranged. The pressure relief device is used for ventilation of the vacuum blow-down valve and the pneumatic controller, pressure relief of air in the upper part of a sewage chamber and drainage. The tolerance of water resistance of the gravity sewage inlet pipeline is improved.
Owner:QINGHUAN TUODA (SUZHOU) ENVIRONMENTAL TECH CO LTD
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