CN202221401U - Sulfur hexafluoride density measurement apparatus - Google Patents

Sulfur hexafluoride density measurement apparatus Download PDF

Info

Publication number
CN202221401U
CN202221401U CN2011203778844U CN201120377884U CN202221401U CN 202221401 U CN202221401 U CN 202221401U CN 2011203778844 U CN2011203778844 U CN 2011203778844U CN 201120377884 U CN201120377884 U CN 201120377884U CN 202221401 U CN202221401 U CN 202221401U
Authority
CN
China
Prior art keywords
module
sulfur hexafluoride
control module
density measurement
measurement mechanism
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2011203778844U
Other languages
Chinese (zh)
Inventor
尚志军
李德威
曾鹏
于海斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
Shenyang Institute of Automation of CAS
Shenyang Power Supply Co of State Grid Liaoning Electric Power Co Ltd
Original Assignee
Shenyang Institute of Automation of CAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shenyang Institute of Automation of CAS filed Critical Shenyang Institute of Automation of CAS
Priority to CN2011203778844U priority Critical patent/CN202221401U/en
Application granted granted Critical
Publication of CN202221401U publication Critical patent/CN202221401U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)

Abstract

The utility model relates to the density measurement technology for sulfur hexafluoride gas in a smart grid, in particular to a sulfur hexafluoride density measurement apparatus, which comprises a sensor module, a control module, a communication module, WIA (windows image acquisition) wireless sensor network devices and a pressure module. The sensor module is used for acquiring information and connected with the control module. The control module stored with a control program has functions of A/D (analog/digital) conversion, density measuring, input and output, data receiving and transmitting and timed measurement controlling and is connected with the communication module and the sensor module. The communication module sends information to the control module and is connected with a network controller in a WIA wireless sensor network and the control module. The WIA wireless sensor network devices include an upper computer and the network controller, wherein the upper computer is a device for realizing data exchange with the control module by the aid of the network controller. The pressure module is a device for supplying power for the modules in the sulfur hexafluoride density measurement apparatus. The sulfur hexafluoride density measurement apparatus realizes gas leakage detection and remote data transmission and has the advantages of flexibility in installation and arrangement of the wireless network and energy economization.

Description

A kind of sulfur hexafluoride density measurement mechanism
Technical field
The utility model relates to sulfur hexafluoride gas density measuring technique in the intelligent grid, is a kind of sulfur hexafluoride density measurement mechanism specifically.
Background technology
Sulfur hexafluoride (SF 6) gas T&B, it is two chemist Moissan of France and the Lebeau artificial inert gas synthetic in 1900.Before and after 1940, US military is used it for Manhattan project (nuclear is military).Nineteen forty-seven, provider used.Current SF 6Gas is mainly used in the power industry.SF 6Gas is used for 4 types electrical equipment as insulating and arc extinguishing: SF6 isolating switch and GIS (refer to the sulfur hexafluoride gas insulated metal enclosed swit chgear here, be called " gas-insulated switchgear " (Gas Insulated Switchgear) in the world), SF 6On-load switch equipment, SF 6Insulation transmission of electricity pipeline, SF 6Transformer and SF 6Insulation transformer station.Say 80% SF from gas consumption 6Be used for the high pressure power equipment.Although SF 6Gas has good arc-extinguishing property and insulating property, but these two kinds of performances all have substantial connection with gas density.When the pressure of gas reaches about 0.3MPa, SF 6The performance of gas is equivalent to the insulating property and the arc extinction performance of insulating oil.Gas density in air chamber descends, and can cause arc extinction performance and decreasing insulating, and hidden danger causes the accident.
At present, main control equipments such as sulfur hexafluoride density measurement mechanism and host computer communicate by letter with wired connection modes such as fieldbus or Ethernets to be main, to need wiring in a large number, system design with very inconvenience is installed, also increased the installation cost of system simultaneously.In the system that adopts the wired connection mode, most of measurement mechanisms are connected to main control equipment through cable, through wired communication protocol, are integrated into measurement mechanism like Modbus etc. and carry out work in the system.Wiring in the cable network build process may occupy the system synthesis basis up to 80% with installation.In addition, changes such as the renewal of systemic-function can cause the demand of rewiring, also can spend a large amount of costs and time.
The WIA wireless sensor network technology adopts communication and netted (mesh) network structure of multi-hop (multi-hop), equity (peer to peer).Have characteristics such as self-organization, reliable data transmission, unmanned, can reduce system energy consumption through dormancy mechanism simultaneously.In conjunction with the WIA radio network technique, can conveniently realize the measurement and the monitoring of sulfur hexafluoride gas density.Compare with the sulfur hexafluoride density measurement mechanism that adopts cable communicating technology, wireless solution need not a large amount of wirings, and system design and easy for installation is with low cost.Advantages such as simultaneously, wireless solution has good adaptability for the renewal of systemic-function and the change of layout, need not rewiring, and it is short to have a update time, and stability is strong have reduced the cost expense of system update largely.
The utility model content
To the deficiency of prior art, the utility model provides a kind of WIA wireless sensor network technology that combined, and has realized that sulfur hexafluoride density is measured and the sulfur hexafluoride density measurement mechanism of wireless remote transmission.
The utility model for realizing the technical scheme that above-mentioned purpose adopted is: a kind of sulfur hexafluoride density measurement mechanism, it is characterized in that, and comprise
Sensor assembly is the module of carrying out information acquisition, is connected with control module;
Control module has control program, is to have A/D conversion, density calculation, input and output, data transmit-receive and regularly measure the module of control, is connected with said sensor assembly with communication module;
Communication module is to send information to said control module, is connected with said control module with network controller in the WIA wireless sensor network;
The WIA wireless sensor network equipment comprises host computer and network controller; Said host computer is the equipment that carries out exchanges data through network controller and said control module.
Voltage module is the equipment of the module for power supply in the device.
Also comprise router in the said WIA wireless sensor network equipment, said communication module is connected with said network controller through router.
Said sensor assembly comprises temperature sensor and pressure transducer; Said temperature sensor inputs is gathered environment temperature, and output terminal links to each other with said control module; Said pressure transducer input end is gathered air chamber pressure, and output terminal links to each other with said control module.
Said pressure transducer adopts metal forming as the distortion reaction part,
Said communication module adopts the wireless communication chips of 2.4GHZ frequency range.
Said voltage module comprises the Voltage stabilizing module that civil power is converted into galvanic AC/DC changeover switch and conversion dc voltage and voltage stabilizing.
Said AC/DC changeover switch is by capacity voltage dropping circuit, and rectification circuit and mu balanced circuit are formed, and is said sensor assembly power supply.
Said Voltage stabilizing module is said control module and the power supply of said communication module.
The utlity model has following beneficial effect and advantage:
1. the gas leakage situation detects: the leakage situation of knowing gas through the variation of the indoor sulfur hexafluoride gas density of measurement of gas; And in time notify host computer to report to the police; Can prevent to cause arc extinction performance and decreasing insulating because sulfur hexafluoride gas density descends, hidden danger causes the accident;
2. realization remote data transmission: can give host computer with the sensing data remote transmission that measurement mechanism collects through router in the WIA wireless sensor network and network controller;
3. the wireless network mounting arrangements is flexible: reduced a large amount of wirings; Practiced thrift installation cost, simultaneously can the dispersed placement measurement mechanism, the installation of sulfur hexafluoride density measurement mechanism is relatively independent; Therefore; The mobility of system is strong, and can upgrade network repeatedly, is easy to network and equipment are safeguarded;
4. energy savings: through reasonably the sulfur hexafluoride density measurement mechanism being carried out parameter setting (as: sulfur hexafluoride density measurement mechanism timing setting per 10 minutes measure and be transferred to host computer to the gas density in the air chamber); The power supply of control sulfur hexafluoride density measurement mechanism is supplied with; Increased the serviceable life of sulfur hexafluoride density measurement mechanism, energy savings.
Description of drawings
Fig. 1 is the structured flowchart of the utility model embodiment 1;
Fig. 2 is the control program process flow diagram of control module among Fig. 1;
Fig. 3 is the structured flowchart of the utility model embodiment 2.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed description.
Embodiment 1
As shown in Figure 1, the said sulfur hexafluoride density measurement mechanism of the utility model is installed in the WIA wireless sensor network that comprises host computer, network controller formation, and wherein, host computer is communicated by letter with the sulfur hexafluoride density measurement mechanism through network controller; Said sulfur hexafluoride density measurement mechanism structure comprises:
Control module, present embodiment adopts microcontroller (chip is MSP430F1611), has control program in the microcontroller, links to each other with communication module;
Sensor assembly links to each other with control module, gathers environment temperature and air chamber pressure;
Communication module links to each other with control module, and the receiving sensor data link to each other with host computer through network controller.
Said control module has A/D conversion, density calculation, input and output, data transmit-receive and timing and measures functions such as control.
As shown in Figure 2, said control program idiographic flow is following:
The system program initialization; In initialization procedure, except accomplishing registers necessary, IO port initialization, comprise that also controlling communication module communicates by letter with network controller to add the process of network.
Get into running status, wait for receiving the controlled in wireless instruction;
Judge whether to receive controlled in wireless instruction and instruction type:
1) if do not receive the controlled in wireless instruction, returns running status and wait for;
2) if receive the controlled in wireless instruction, and instruction type is returned running status and is waited for for stopping acquisition instructions;
3) if receive the controlled in wireless instruction, and instruction type is controlled the sensor assembly startup and is gathered for starting acquisition instructions;
Temperature sensor and pressure transducer be timing acquiring environment temperature and air chamber pressure respectively;
Control module is calculated the density of sulfur hexafluoride gas after receiving the temperature and pressure value, if the gas density value that draws is lower than alarm threshold, then also report to the police to the wireless gas density value that reports of host computer through communication module;
Judge whether to receive controlled in wireless instruction and instruction type:
1), continues the Information Monitoring of control sensor assembly if do not receive the controlled in wireless instruction;
2) if receive the controlled in wireless instruction, and instruction type continues the Information Monitoring of control sensor assembly for starting acquisition instructions;
3) if receive the controlled in wireless instruction, and instruction type is returned running status and is waited for for stopping acquisition instructions.
Said sensor assembly is made up of temperature sensor and pressure transducer, by the information acquisition of control module control sensor, and the information that collects to control module output;
Said communication module one end links to each other with control module, instruction of output controlled in wireless and receiver gases density data; The other end links to each other with host computer through network controller, and output gas density data also receive the controlled in wireless instruction.
The power supply mode of the utility model is following: (AC/DC changeover switch is by capacity voltage dropping circuit through AC/DC changeover switch to adopt civil power (present embodiment is the 220V ac-powered); Rectification and mu balanced circuit are formed; Be prior art) back generation direct current 24V direct current; Be temperature sensor and pressure transducer power supply, it is control module and communication module power supply that said 24V direct current utilizes Voltage stabilizing module (present embodiment adopts the BM1117 chip) to become the 3.3V direct current again;
The utility model principle of work is following:
Control module receives the controlled in wireless instruction of host computer through communication module and network controller; Acquisition instructions is then controlled temperature sensor and pressure transducer begins to gather environment temperature and air chamber pressure if start; After temperature sensor and pressure transducer send a control module with the sensing data that collects; Control module calculates sulfur hexafluoride gas density through the temperature and pressure value; If gas density is lower than alarm threshold, then report gas density value and warning to host computer through communication module and network controller; If stop acquisition, then control temperature sensor and the data acquisition of pressure transducer stop sensor.
Embodiment 2
Structure is similar with embodiment 1; Difference is: as shown in Figure 3, communication module can also receive the controlled in wireless instruction of host computer through router, and reports the gas density value through router to host computer; Wherein, host computer connects router through network controller.

Claims (8)

1. a sulfur hexafluoride density measurement mechanism is characterized in that, comprises
Sensor assembly is the module of carrying out information acquisition, is connected with control module;
Control module has control program, is to have A/D conversion, density calculation, input and output, data transmit-receive and regularly measure the module of control, is connected with said sensor assembly with communication module;
Communication module is to send information to said control module, is connected with said control module with network controller in the WIA wireless sensor network;
The WIA wireless sensor network equipment comprises host computer and network controller; Said host computer is the equipment that carries out exchanges data through network controller and said control module;
Voltage module is the equipment of the module for power supply in the device.
2. a kind of sulfur hexafluoride density measurement mechanism according to claim 1 is characterized in that, also comprises router in the said WIA wireless sensor network equipment, and said communication module is connected with said network controller through router.
3. a kind of sulfur hexafluoride density measurement mechanism according to claim 1 is characterized in that said sensor assembly comprises temperature sensor and pressure transducer; Said temperature sensor inputs is gathered environment temperature, and output terminal links to each other with said control module; Said pressure transducer input end is gathered air chamber pressure, and output terminal links to each other with said control module.
4. a kind of sulfur hexafluoride density measurement mechanism according to claim 3 is characterized in that, said pressure transducer adopts metal forming as the distortion reaction part.
5. a kind of sulfur hexafluoride density measurement mechanism according to claim 1 is characterized in that, said communication module adopts the wireless communication chips of 2.4GHZ frequency range.
6. a kind of sulfur hexafluoride density measurement mechanism according to claim 1 is characterized in that said voltage module comprises the Voltage stabilizing module that civil power is converted into galvanic AC/DC changeover switch and conversion dc voltage and voltage stabilizing.
7. a kind of sulfur hexafluoride density measurement mechanism according to claim 6 is characterized in that, said AC/DC changeover switch is by capacity voltage dropping circuit, and rectification circuit and mu balanced circuit are formed, and is said sensor assembly power supply.
8. a kind of sulfur hexafluoride density measurement mechanism according to claim 6 is characterized in that, said Voltage stabilizing module is said control module and the power supply of said communication module.
CN2011203778844U 2011-09-30 2011-09-30 Sulfur hexafluoride density measurement apparatus Expired - Lifetime CN202221401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011203778844U CN202221401U (en) 2011-09-30 2011-09-30 Sulfur hexafluoride density measurement apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011203778844U CN202221401U (en) 2011-09-30 2011-09-30 Sulfur hexafluoride density measurement apparatus

Publications (1)

Publication Number Publication Date
CN202221401U true CN202221401U (en) 2012-05-16

Family

ID=46043425

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011203778844U Expired - Lifetime CN202221401U (en) 2011-09-30 2011-09-30 Sulfur hexafluoride density measurement apparatus

Country Status (1)

Country Link
CN (1) CN202221401U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108169064A (en) * 2017-11-15 2018-06-15 北京耀能科技有限公司 A kind of digital air-density sensoring and computational methods
CN113125300A (en) * 2021-04-12 2021-07-16 国网河北省电力有限公司衡水供电分公司 Sulfur hexafluoride density quality transmission device and system with wireless transmission and transmitter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108169064A (en) * 2017-11-15 2018-06-15 北京耀能科技有限公司 A kind of digital air-density sensoring and computational methods
CN113125300A (en) * 2021-04-12 2021-07-16 国网河北省电力有限公司衡水供电分公司 Sulfur hexafluoride density quality transmission device and system with wireless transmission and transmitter

Similar Documents

Publication Publication Date Title
CN108564757A (en) A kind of mined flame-proof switch monitoring system
CN107196417A (en) Low-voltage distribution running status remote supervision system based on LoRa mechanicss of communication
CN202159234U (en) Wirelessly controlled power switch apparatus
CN201886304U (en) Intelligent switch module and intelligent switch
CN201541098U (en) Intelligent energy consumption monitoring and measuring single-phase distribution box
CN202975725U (en) Intelligent energy-saving system based on Internet of Things
CN202221401U (en) Sulfur hexafluoride density measurement apparatus
CN106230122A (en) A kind of power equipment safety monitoring system based on wireless network
CN105024198A (en) Intelligent plug
CN103595133B (en) A kind of transformer station dehumidifier intelligent monitor system
CN202475774U (en) Zigbee-based intelligent monitoring system of junction box
CN208835577U (en) A kind of intelligent type inflatable ring network cabinet
CN203775473U (en) Power-saving control cabinet of intelligent street lamp
CN207677999U (en) Novel protocol conversion device
CN216388340U (en) Remote signaling remote control system based on control of auxiliary equipment of power distribution room
CN214474498U (en) Intelligent SF6 online monitoring system based on LoRa technology
CN212259015U (en) Multi-channel remote controller based on narrowband Internet of things
CN206557299U (en) A kind of emergency power supply Quick access device with decompression timing
CN201955675U (en) Decentralized control system test box
CN201293791Y (en) Apparatus for detecting gas concentration of sulfur hexafluoride
CN202183025U (en) Intelligent mains supply controller
CN202058014U (en) Requirement management system for air conditioning cluster
CN112185087A (en) Serial port Internet of things device with low power consumption and automatic civil engineering monitoring system
CN204596121U (en) Wireless water meter reading system
CN219412866U (en) Water pump control system

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHENYANG POWER SUPPLY COMPANY OF LIAONING ELECTRIC

Effective date: 20130314

C41 Transfer of patent application or patent right or utility model
C53 Correction of patent of invention or patent application
CB03 Change of inventor or designer information

Inventor after: Shang Zhijun

Inventor after: Ge Weichun

Inventor after: Wang Yingnan

Inventor after: Li Dewei

Inventor after: Zeng Peng

Inventor after: Yu Haibin

Inventor before: Shang Zhijun

Inventor before: Li Dewei

Inventor before: Zeng Peng

Inventor before: Yu Haibin

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: SHANG ZHIJUN LI DEWEI CENG PENG YU HAIBIN TO: SHANG ZHIJUN GE WEICHUN WANG YINGNAN LI DEWEI CENG PENG YU HAIBIN

TR01 Transfer of patent right

Effective date of registration: 20130314

Address after: South Street in Dongling District of Shenyang city of Liaoning Province, No. 114 110016

Patentee after: Shen Yang Automation Inst., Chinese Academy of Sciences

Patentee after: Liaoning Shenyang Electric Power Supply Co., Ltd.

Patentee after: State Grid Corporation of China

Address before: South Street in Dongling District of Shenyang city of Liaoning Province, No. 114 110016

Patentee before: Shen Yang Automation Inst., Chinese Academy of Sciences

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20120516