CN112309098A - Passive wireless SF6 gas detection device capable of realizing fan linkage - Google Patents
Passive wireless SF6 gas detection device capable of realizing fan linkage Download PDFInfo
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- CN112309098A CN112309098A CN202011160110.6A CN202011160110A CN112309098A CN 112309098 A CN112309098 A CN 112309098A CN 202011160110 A CN202011160110 A CN 202011160110A CN 112309098 A CN112309098 A CN 112309098A
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- 238000001514 detection method Methods 0.000 title claims abstract description 35
- 238000004891 communication Methods 0.000 claims abstract description 47
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000000007 visual effect Effects 0.000 claims abstract description 4
- 230000003993 interaction Effects 0.000 claims description 6
- 230000008054 signal transmission Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000009792 diffusion process Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003574 free electron Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000752 ionisation method Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
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Abstract
The invention discloses a passive wireless SF6 gas detection device capable of realizing fan linkage, which comprises a host, a fan and a low-power consumption collector, wherein the host comprises a host processor and a wireless communication module, the fan comprises a fan processor, a fan controller and a wireless communication module, the low-power consumption collectors are provided in plurality, each low-power consumption collector comprises a collection processor and a wireless communication module, and the host processor is connected to the wireless communication module of the fan through the wireless communication module. The invention has the following beneficial effects: the system comprises a host, a collector and a fan controller, wherein the collector adopts a low-power consumption diffusion type collection mode, collects SF6, O2 and temperature and humidity data and transmits the data to the host in a wireless manner, the host receives the data of the collector and performs corresponding operations such as outputting audible and visual alarms, controlling the fan controller in a wireless manner and the like, and each module is relatively independent, so that a passive wireless system is realized; the wireless connection mode adopts 433M wireless LORA communication, and the communication effect is stable, and the distance is long.
Description
Technical Field
The invention relates to a passive wireless SF6 gas detection device capable of realizing fan linkage, and belongs to the technical field of gas detection.
Background
SF6 is a strong electronegative gas, the molecules of which are easy to adsorb free electrons to form negative ions with large mass, and the impact ionization process in the gas is weakened, so the electrical insulation strength of the SF6 is very high and is about 2.5 times of the air insulation strength in a uniform electric field. The SF6 gas has thermal decomposition peak at t ≈ 2000K, so that when the alternating current arc current passes through zero, SF6 has much stronger cooling effect on an arc channel than air, and the arc extinguishing capacity is about 100 times of that of the air. Since SF6 gas has excellent arc extinguishing and insulating properties and good chemical stability, it was used as an arc extinguishing medium for high voltage circuit breakers since the end of the 50 th century. In the ultra-high voltage and extra-high voltage circuit breakers, SF6 has replaced oil as an arc extinguishing medium and has largely replaced compressed air. However, if the SF6 leaks, serious safety accidents may occur, so that the SF6 needs to be monitored online to ensure safety. The existing SF6 gas detection system is of an air extraction type, gas is extracted to a detection position for data sampling analysis through air pipes distributed at each monitoring point and an air extraction pump, and when data are abnormal, the opening of a fan is controlled through output signals, the technical field is complicated in pipe distribution construction, the detection is inaccurate due to dilution of SF6 gas concentration caused by air extraction, a host machine and a fan controller are linked through wired control, and the construction difficulty is increased; the other SF6 gas detection is distributed, a host outputs 24V power lines and 485 communication lines to be connected with each collector, and the host is also connected with the fan through wires.
Disclosure of Invention
The invention aims to solve the technical problem of providing a passive wireless SF6 gas detection device capable of realizing fan linkage, wherein data exchange between a host and a collector of the detection device and between the host and a fan controller adopts 433M wireless LORA communication, reliable communication of more than 300M can be realized in the environment with obstacles, the engineering construction amount can be greatly reduced, and the installation is simple and convenient.
The invention is realized by the following scheme: the utility model provides a can gaseous detection device of passive wireless formula SF6 of fan linkage, it includes host computer, fan and low-power consumption collector, the host computer includes host computer treater and wireless communication module, the fan includes fan treater, fan controller and wireless communication module, the low-power consumption collector is equipped with a plurality ofly, every the low-power consumption collector all includes collection treater and wireless communication module, the host computer treater passes through wireless communication module and is connected to the wireless communication module of fan, the wireless communication module of fan is connected to the fan controller, fan controller face is said the fan treater, the collection treater passes through wireless communication module and is connected to the wireless communication module of host computer treater.
The host computer also comprises a network connection module, a power supply module and a man-machine interaction module, wherein the network connection module, the power supply module and the man-machine interaction module are connected to the host computer processor.
The host processor is connected to an audible and visual alarm device.
Each low-power consumption collector also comprises an SF6 acquisition module, a temperature acquisition module, a humidity acquisition module and an O2An acquisition module, the F6 acquisition module, the temperature acquisition module, the humidity acquisition module and the O2The acquisition modules are each connected to the acquisition processor.
Each low-power consumption collector further comprises a network connection module and a power supply module, and the network connection module and the power supply module are connected to the collection processor.
Each low-power consumption collector is relatively independent and is respectively and wirelessly connected to the host, and the host is connected to the fan.
Every two circuit module, circuit module one and circuit module two are all connected to the collection treater, SF6 collection module the temperature acquisition module humidity collection module with O2 collection module passes through circuit module one is connected the collection treater, the collection treater passes through circuit module two is connected to the wireless communication module of low-power consumption collector, the wireless communication module of low-power consumption collector is connected to the host computer, wireless signal transmission module adopts 433M wireless LORA communication module.
The first circuit module and the second circuit module are both connected to the power supply module of the low-power consumption collector.
And the acquisition processor controls the opening and closing of the circuit module I and the circuit module II.
The first circuit module and the circuit module are not started at the same time.
The invention has the beneficial effects that:
1. the invention relates to a passive wireless SF6 gas detection device capable of realizing fan linkage, which comprises a host, a collector and a fan controller, wherein the collector adopts a low-power consumption diffusion type collection mode to collect SF6, O2 and temperature and humidity data and transmits the data to the host in a wireless manner;
2. the passive wireless SF6 gas detection device capable of realizing fan linkage adopts 433M wireless LORA communication in a wireless connection mode, and is stable in communication effect and long in distance.
Drawings
Fig. 1 is a schematic structural diagram of a passive wireless SF6 gas detection device capable of fan linkage according to the present invention.
Fig. 2 is a schematic structural diagram of a low-power consumption collector of a passive wireless SF6 gas detection device capable of fan linkage according to the present invention.
Detailed Description
The invention is further described below with reference to fig. 1-2, without limiting the scope of the invention.
In the following description, for purposes of clarity, not all features of an actual implementation are described, well-known functions or constructions are not described in detail since they would obscure the invention with unnecessary detail, it being understood that in the development of any actual embodiment, numerous implementation details must be set forth in order to achieve the developer's specific goals, such as compliance with system-related and business-related constraints, changing from one implementation to another, and it being recognized that such development effort might be complex and time consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art.
A passive wireless SF6 gas detection device capable of realizing fan linkage comprises a host, a fan and low-power consumption collectors, wherein the host comprises a host processor and a wireless communication module, the fan comprises a fan processor, a fan controller and a wireless communication module, the low-power consumption collectors are provided with a plurality of collectors, each low-power consumption collector comprises an acquisition processor and a wireless communication module, the host processor is connected to the wireless communication module of the fan through the wireless communication module, the wireless communication module of the fan is connected to the fan controller, the fan controller faces the fan processor, the acquisition processor is connected to the wireless communication module of the host processor through the wireless communication module, the host further comprises a network connection module, a power supply module and a human-computer interaction module, the network connection module, the power supply module and the human-computer interaction module are connected to the host processor, and the host processor is connected to an acousto-optic alarm device, each low-power consumption collector also comprises an SF6 acquisition module, a temperature acquisition module, a humidity acquisition module and an O2An acquisition module, an F6 acquisition module, a temperature acquisition module, a humidity acquisition module and an O2The acquisition module is connected to the acquisition processor, and every low-power consumption collector still includes network connection module and power module, and network connection module and power module all are connected to the acquisition processor, and every low-power consumption collector is relatively independent, wireless connection to host computer respectively, and the host computer is connected to the fan.
Every acquisition processor all connects two circuit module, circuit module one and circuit module two, SF6 collection module, the temperature collection module, humidity collection module and O2 collection module are connected to the acquisition processor through circuit module one, the collection processor is connected to the wireless communication module of low-power consumption collector through circuit module two, the wireless communication module of low-power consumption collector is connected to the host computer, wireless signal transmission module adopts 433M wireless LORA communication module, circuit module one and circuit module two all are connected to the power module of low-power consumption collector, acquisition processor control circuit module one and circuit module two open and close, circuit module one and circuit module are not opened simultaneously.
The gas detection system consists of a host, a fan and a low-power consumption collector, wherein data exchange between the host, the low-power consumption collector and the fan adopts 433M wireless LORA communication, the reliable communication of more than 300m can be realized in the environment with obstacles, the host machine mainly has the functions of displaying collected data, processing signals such as voice, infrared alarm, fan control and the like, the collector adopts a lithium battery for power supply, has a low power consumption mode, can be magnetically attracted or hung, is maintained and charged once in half a year, and is a host machine for transmitting data wirelessly (wired 485 is reserved), the passive wireless is really realized without wiring, the host machine is directly placed below a detection point, a fan controller (wired 485 is reserved) is communicated with the host machine wirelessly to control the starting and stopping of the fan, the design can significantly reduce the transformation of the original building, reduce the engineering construction amount and is simple and convenient to install. SF6, O2, humiture data are collected and transmitted to a host computer through wireless transmission, the host computer receives the data of the collector and performs corresponding operations such as outputting audible and visual alarm, controlling a fan controller through wireless transmission and the like, each module is relatively independent, a passive wireless system is realized, and the construction amount and the environment transformation amount are greatly reduced.
The low-power consumption using process of the low-power consumption collector is as follows: the acquisition processor sends a command to start a circuit module I for supplying power to the SF6 acquisition module, the temperature acquisition module, the humidity acquisition module and the O2 acquisition module after being electrified, the SF6 acquisition module, the temperature acquisition module, the humidity acquisition module and the O2 acquisition module are electrified and preheated, after the preheating is finished and the acquired data are successful, the acquisition processor sends a command to turn off the circuit module I, and simultaneously sends a command to start a circuit module II for supplying power to the wireless signal transmission module, after the data are successfully uploaded by the wireless signal transmission module, the acquisition processor turns off the circuit module II, simultaneously the acquisition processor enters a low-power standby state, waits for awakening by RTC, and circulates the flow after awakening.
Although the invention has been described and illustrated in some detail, it should be understood that various modifications may be made to the described embodiments or equivalents may be substituted, as will be apparent to those skilled in the art, without departing from the spirit of the invention.
Claims (10)
1. The utility model provides a can the gaseous detection device of passive wireless formula SF6 of fan linkage which characterized in that: it includes host computer, fan and low-power consumption collector, the host computer includes host computer treater and wireless communication module, the fan includes fan treater, fan controller and wireless communication module, the low-power consumption collector is equipped with a plurality ofly, every the low-power consumption collector all includes collection treater and wireless communication module, the host computer treater passes through wireless communication module and is connected to the wireless communication module of fan, the wireless communication module of fan is connected to the fan controller, fan controller face is said the fan treater, the collection treater passes through wireless communication module and is connected to the wireless communication module of host computer treater.
2. The gas detection device of claim 1, wherein the passive wireless SF6 gas detection device comprises: the host computer also comprises a network connection module, a power supply module and a man-machine interaction module, wherein the network connection module, the power supply module and the man-machine interaction module are connected to the host computer processor.
3. The gas detection device of claim 1, wherein the passive wireless SF6 gas detection device comprises: the host processor is connected to an audible and visual alarm device.
4. The method of claim 1The utility model provides a can the passive wireless formula SF6 gas detection device of fan linkage which characterized in that: each low-power consumption collector also comprises an SF6 acquisition module, a temperature acquisition module, a humidity acquisition module and an O2An acquisition module, the F6 acquisition module, the temperature acquisition module, the humidity acquisition module and the O2The acquisition modules are each connected to the acquisition processor.
5. The gas detection device of claim 1, wherein the passive wireless SF6 gas detection device comprises: each low-power consumption collector further comprises a network connection module and a power supply module, and the network connection module and the power supply module are connected to the collection processor.
6. The gas detection device of claim 1, wherein the passive wireless SF6 gas detection device comprises: each low-power consumption collector is relatively independent and is respectively and wirelessly connected to the host, and the host is connected to the fan.
7. The gas detection device of claim 4, wherein the passive wireless SF6 gas detection device comprises: every two circuit module, circuit module one and circuit module two are all connected to the collection treater, SF6 collection module the temperature acquisition module humidity collection module with O2 collection module passes through circuit module one is connected the collection treater, the collection treater passes through circuit module two is connected to the wireless communication module of low-power consumption collector, the wireless communication module of low-power consumption collector is connected to the host computer, wireless signal transmission module adopts 433M wireless LORA communication module.
8. The gas detection device of claim 7, wherein the passive wireless SF6 gas detection device comprises: the first circuit module and the second circuit module are both connected to the power supply module of the low-power consumption collector.
9. The SF6 gas detection device of claim 7, wherein: and the acquisition processor controls the opening and closing of the circuit module I and the circuit module II.
10. The SF6 gas detection device of claim 7, wherein: the first circuit module and the circuit module are not started at the same time.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011160110.6A CN112309098A (en) | 2020-10-27 | 2020-10-27 | Passive wireless SF6 gas detection device capable of realizing fan linkage |
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| CN202011160110.6A CN112309098A (en) | 2020-10-27 | 2020-10-27 | Passive wireless SF6 gas detection device capable of realizing fan linkage |
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