CN220542124U - SF6 gas monitoring device and electrical equipment - Google Patents
SF6 gas monitoring device and electrical equipment Download PDFInfo
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- CN220542124U CN220542124U CN202320748945.6U CN202320748945U CN220542124U CN 220542124 U CN220542124 U CN 220542124U CN 202320748945 U CN202320748945 U CN 202320748945U CN 220542124 U CN220542124 U CN 220542124U
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 82
- 238000004891 communication Methods 0.000 claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims description 54
- 238000005192 partition Methods 0.000 claims description 21
- 238000012544 monitoring process Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 abstract 1
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 description 60
- 229910018503 SF6 Inorganic materials 0.000 description 59
- 239000000306 component Substances 0.000 description 7
- 238000000354 decomposition reaction Methods 0.000 description 5
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000002411 adverse Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- -1 fluoride ions Chemical class 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 229960000909 sulfur hexafluoride Drugs 0.000 description 2
- 231100000331 toxic Toxicity 0.000 description 2
- 230000002588 toxic effect Effects 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 150000002484 inorganic compounds Chemical class 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000009965 odorless effect Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000010517 secondary reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides an SF6 gas monitoring device and electrical equipment, which comprises a shell, an electric connection part, a gas detection part and a communication module, wherein a first installation structure is arranged on the outer wall of the shell, a first accommodating cavity and a second accommodating cavity are formed in the shell, the first accommodating cavity corresponds to the second accommodating cavity, and a gas inlet and a gas outlet are formed in the shell; the electric connection part comprises a transformer arranged in the first accommodating cavity; the gas detection part is arranged in the second accommodating cavity and is in conductive connection with the electric connection part; the communication module is arranged in the shell, is in communication connection with the gas detection part and is in conductive connection with the electric connection part. The SF6 gas monitoring device of the present utility model can detect SF6 gas in electrical equipment by using a gas detection unit. By arranging the communication module, the state of SF6 gas in the electrical equipment can be reported in real time. In addition, the first accommodating cavity and the second accommodating cavity are independent, so that the problem that the detection accuracy of the gas detection part is affected due to the operation of the transformer can be solved.
Description
Technical Field
The utility model belongs to the technical field of fluid detection, and particularly relates to an SF6 gas monitoring device and electrical equipment.
Background
Sulfur hexafluoride is an inorganic compound, and has a chemical formula of SF6, and is colorless, odorless, nontoxic and incombustible stable gas at normal temperature and normal pressure. SF6 is a strong electronegative gas with a very high electrical insulation strength, about 2.5 times the air insulation strength in a uniform electric field. SF6 gas has been widely used as an arc extinguishing medium for high voltage circuit breakers due to its excellent arc extinguishing and insulating properties and good chemical stability. In ultra-high voltage and extra-high voltage circuit breakers, SF6 gas has been used as an arc extinguishing medium, replacing oil, and replacing compressed air in large quantities. And the SF6 gas insulated transformer has the advantages of fire prevention and explosion prevention, and the distribution transformer is particularly suitable for power supply in densely populated areas and high-rise buildings.
However, in the application process of the SF6 gas in the electric equipment, once the electric arc is generated in the electric equipment, the SF6 gas can generate some toxic substances due to the high-temperature electric arc, and the SF6 gas is easy to generate sulfur fluoride, sulfur-containing tetrafluoro, sulfur-containing fluoride and the like under the action of the electric arc; the product is easy to carry out secondary reaction with moisture in the electrical equipment to generate hydrofluoric acid, sulfur dioxide, sulfuric acid and the like, corrode the electrical equipment, meanwhile, SF6 gas and decomposition products can also react with various materials in the electrical equipment to decompose silicon-containing substances in the electrical equipment, and serious hidden danger is caused to the normal production operation of the electrical equipment. However, most of the existing SF6 gas monitoring and alarming devices are related devices which are used for detecting whether SF6 gas leaks or not and are lack of devices capable of directly detecting the state of SF6 gas in the electrical equipment.
Disclosure of Invention
The utility model aims to provide an SF6 gas monitoring device which aims to monitor SF6 gas in electrical equipment.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the SF6 gas monitoring device comprises a shell, wherein a first mounting structure is arranged on the outer wall of the shell, a first accommodating cavity and a second accommodating cavity which are mutually isolated are formed in the shell, and a gas inlet and a gas outlet are formed in the shell corresponding to the second accommodating cavity;
the electric connection part comprises a transformer arranged in the first accommodating cavity;
the gas detection part is arranged in the second accommodating cavity and is electrically connected with the electric connection part;
the communication module is arranged in the shell and is in communication connection with the gas detection part, and the communication module is in conductive connection with the electric connection part.
In one possible implementation manner, a first partition board is arranged in the second accommodating cavity, the first partition board is located between the air inlet and the air outlet, so that the second accommodating cavity forms a U-shaped detection cavity, and the air inlet and the air outlet are respectively arranged at two ends of the detection cavity; the gas detection part is arranged in the detection chamber; and a driving fan is arranged in the detection chamber.
In one possible implementation, the gas detecting section includes, within the detection chamber, a gas pressure detecting mechanism, a temperature detecting mechanism, a humidity detecting mechanism, and a gas composition detecting mechanism that are sequentially arranged along the detection chamber gas flow path.
In one possible implementation manner, the electrical connection positions are respectively arranged on the transformer, and the transformer is provided with a plurality of mounting holes, and the mounting holes fix the transformer on the shell through fasteners.
In one possible implementation manner, the gas detecting portion includes a gas pressure detecting mechanism, and a temperature detecting mechanism, a humidity detecting mechanism, and a gas component detecting mechanism that are sequentially disposed along a gas flow path of the detecting chamber, the gas pressure detecting mechanism is disposed on a housing wall of the housing, and a detecting end of the gas pressure detecting mechanism faces an outside of the housing.
In one possible implementation, the gas component detection mechanism includes a gas component sensor for detecting the SF6 concentration, the temperature detection mechanism includes a temperature sensor for detecting an intake air temperature of the detection chamber, the air pressure detection mechanism includes an air pressure sensor provided on an inner sidewall of the housing, and the humidity detection mechanism includes a humidity sensor for detecting a humidity of the SF6 gas entering the detection chamber; and the gas component sensor, the temperature sensor, the air pressure sensor and the humidity sensor are all electrically connected with the transformer.
In one possible implementation manner, a second partition board is arranged in the shell, the cross section of the second partition board is in an L shape, the inner space of the shell is divided into a first accommodating cavity and a second accommodating cavity, openings for the lines to pass through are formed in the second partition board and the outer wall of the shell, the openings correspond to the openings, and sealing rings are arranged on the outer wall and the second partition board.
In one possible implementation manner, corresponding to the air inlet and the air outlet, clamping protrusions for communicating with an external pipeline are arranged on the outer wall of the shell.
In one possible implementation manner, on the housing, the first mounting structure and the second partition board are correspondingly arranged, and the first mounting structure comprises two connecting blocks arranged on the housing, the two connecting blocks are integrally connected to the housing, and mounting through holes are formed in the two connecting blocks.
The SF6 gas monitoring device provided by the utility model has the beneficial effects that: compared with the prior art, the SF6 gas monitoring device can detect SF6 gas in the electrical equipment by using the gas detection part, and can report the state of the SF6 gas in the electrical equipment in real time by connecting with external communication. In addition, the first accommodating cavity and the second accommodating cavity are independent, so that the problem that the detection accuracy of the gas detection part is affected due to the operation of the transformer can be solved.
Another object of the present application is to propose an electrical apparatus provided with an SF6 gas monitoring device as described above.
Compared with the prior art, the SF6 gas monitoring device has the advantages that SF6 gas in the electrical equipment can be detected in real time, the detection result of the SF6 gas is reflected to related equipment, workers outside the electrical equipment can know the state of the SF6 gas in the electrical equipment in real time, and adverse effects of toxic byproducts generated by decomposition of the SF6 gas on the electrical equipment and operators are prevented.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art. In the drawings:
fig. 1 is a schematic view of an appearance structure of an SF6 gas monitoring apparatus in a top view according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of an internal structure of an SF6 gas monitoring apparatus according to an embodiment of the present utility model;
FIG. 3 is a schematic diagram illustrating an assembly of a humidity sensing mechanism according to an embodiment of the present utility model;
fig. 4 is a schematic structural diagram of a transformer according to an embodiment of the present utility model.
In the figure:
1. a housing; 11. a first accommodation chamber; 12. a second accommodation chamber; 13. a first mounting structure; 14. a first separator; 15. a second separator;
2. an electrical connection; 21. a transformer; 211. an electrical connection site; 222. a mounting hole;
3. a gas detection unit; 31. an air pressure sensor; 32. a temperature sensor; 33. a humidity sensor; 331. a mounting shell; 332. a buckle; 333. a first through hole; 334. a second through hole; 34. a gas component sensor;
4. a detection chamber; 41. an air inlet; 42. an air outlet; 401. the clamping bulge;
5. and a communication module.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 and 2 together, an SF6 gas monitoring apparatus provided by the present utility model will now be described. The SF6 gas monitoring device comprises a shell 1, an electric connection part 2, a gas detection part 3 and a communication module 5, wherein a first mounting structure 13 is arranged on the outer wall of the shell 1; a first accommodating cavity 11 and a second accommodating cavity 12 which are isolated from each other are formed in the shell 1, and an air inlet 41 and an air outlet 42 are formed on the shell 1 corresponding to the second accommodating cavity 12; the electric connection part 2 comprises a transformer 21 arranged in the first accommodating cavity 11; the gas detection part 3 is arranged in the second accommodating cavity 12, and the gas detection part 3 is electrically connected with the electric connection part 2; the communication module 5 is arranged in the shell and is in communication connection with the gas detection part 3, and the communication module 5 is in conductive connection with the electric connection part 2.
The SF6 gas monitoring device provided by the utility model has the beneficial effects that: compared with the prior art, the SF6 gas monitoring device can detect SF6 gas in electrical equipment by using the gas detection part 3, and can report the state of the SF6 gas in the electrical equipment in real time by the communication module 5. In addition, the present utility model can solve the problem that the detection accuracy of the gas detection unit 3 is affected by the operation of the transformer 21 by making the first accommodation chamber 11 and the second accommodation chamber 12 independent of each other.
In some embodiments, in order to facilitate detection of SF6 gas in the electrical equipment, a first partition 14 is disposed in the second accommodating chamber 12, and the first partition 14 is located between the gas inlet 41 and the gas outlet 42, so that the second accommodating chamber 12 forms a detection chamber 4 in a "U" shape, the gas inlet 41 and the gas outlet 42 are located at two ends of the detection chamber 4, respectively, and the gas detection portion 3 is disposed in the detection chamber 4; and a driving fan is arranged in the detection chamber 4.
In a specific use process, the driving fan drives SF6 gas to flow in the detection chamber 4 under the driving of an external power supply, so that the SF gas in the electrical equipment is in a flowing state, and the detection result of the gas detection part 3 has a higher reference value.
In some embodiments, within the detection chamber 4, the gas detection section includes a gas pressure detection mechanism, a temperature detection mechanism, a humidity detection mechanism, and a gas composition detection mechanism that are arranged in sequence along the gas flow path of the detection chamber 4.
In this embodiment, the air pressure detecting mechanism is disposed at the end of the detecting chamber 4 closest to the air inlet 41, so that the value detected by the air pressure detecting mechanism is more consistent with the actual air pressure of the SF6 gas. In addition, because the air pressure change generated in the process of decomposing the SF6 into other products due to the arc can be sensed by the air pressure detection mechanism, the air pressure detection mechanism can detect and report the change in real time through communication connection with the outside of the shell 1. Similarly, the decomposition products of SF6 gas can be combined with water vapor in the electrical equipment to generate substances such as sulfuric acid, hydrofluoric acid and the like, and the humidity detection mechanism can reflect the humidity change in the electrical equipment in real time for reference of staff. The temperature detection mechanism can detect the temperature in the electrical equipment in real time, so that a worker can judge the running condition in the equipment by knowing the temperature change in the electrical equipment. The gas component detection mechanism can detect the concentration of fluoride ions and sulfide ions in the electrical equipment, so that workers can know the concentration of harmful gas in the equipment in real time.
It should be noted that, the variation of the detected value of the air pressure detecting mechanism caused by the rotation of the fan is constant, and the conventional technical means belonging to the detection field are filtered out, which is not described here.
In some embodiments, an alternative real-time manner is provided, in which the material of the housing 1 is metal as a whole, and the gas detecting portion 3 is communicatively connected to the outside through the housing 1. So set up, expanded the application range of casing 1, simultaneously, metal casing 1 also can be more effectual protect its inside key structure to reach the result of use of one's several purposes.
In some embodiments, referring to fig. 1 and 2, the gas detecting part 3 includes a gas pressure detecting mechanism, and a temperature detecting mechanism, a humidity detecting mechanism, and a gas composition detecting mechanism sequentially disposed along the gas inlet path of the detecting chamber 4, the gas pressure detecting mechanism is provided on the wall of the housing 1, and the detecting end of the gas pressure detecting mechanism faces the outside of the housing 1.
The present embodiment can improve the technical problem that the detected value of the air pressure detecting mechanism is adversely affected by the rotation of the fan by providing the air pressure detecting mechanism on the wall of the housing 1. In addition, the setting of atmospheric pressure detection mechanism makes things convenient for the staff to know the inside SF6 gas's of electrical equipment pressure in real time to whether SF6 gas in the electrical equipment has the problem of revealing according to the fluctuation of pressure judgement.
In some embodiments, the gas composition detection mechanism comprises a gas composition sensor 34 for detecting the concentration of SF6, the temperature detection mechanism comprises a temperature sensor 32 for detecting the intake air temperature of the detection chamber 4, the air pressure detection mechanism comprises an air pressure sensor 31 provided on the side wall of the housing 1, and the humidity detection mechanism comprises a humidity sensor 33 for detecting the humidity of the SF6 gas entering the detection chamber 4; and the gas composition sensor 34, the temperature sensor 32, the gas pressure sensor, and the humidity sensor 33 are electrically connected to the transformer 21.
In this embodiment, by setting the gas component sensor 34, the temperature sensor 32, the air pressure sensor 31 and the humidity sensor 33, the staff can know the specific working condition inside the electrical equipment in real time, so as to be beneficial to improving the problem of potential safety hazard of the electrical equipment caused by the leakage and decomposition of SF6 gas.
In some embodiments, in order to facilitate connection of the above-mentioned sensors and the transformer 21 by electric wires, a second partition 15 is provided in the housing 1, the cross section of the second partition 15 is in an "L" shape, the inner space of the housing 1 is divided into a first accommodating cavity 11 and a second accommodating cavity 12, openings for the lines to pass through are provided on the second partition 15 and the outer wall of the housing 1, corresponding openings are provided, and sealing rings are provided on the outer wall and the second partition 15.
In the specific real-time process, the sealing ring is located between the line and the opening, and the shell 1 realizes the sealing connection between the adjacent chambers through the sealing ring.
In some working scenarios, due to the volume and working space, the SF6 gas monitoring device of the present utility model cannot be assembled inside an electrical apparatus, and in order to adapt to such working conditions, in some embodiments, the air inlet end and the air outlet end of the detection chamber 4 are both provided with a clamping protrusion 401 for communicating with an external pipeline.
When using, accessible detects chamber 4 and communicates the inside SF6 gas of electrical equipment, and then along with the rotation of drive fan, with SF6 in the electrical equipment in the casing 1 of this application to the convenient real-time detection to electrical equipment SF6 gas that realizes.
In some embodiments, for convenience in mounting the housing 1 on the related electrical apparatus, the first mounting structure 13 and the second partition 15 are disposed correspondingly, and the first mounting structure 13 includes two connection blocks disposed on the housing 1, the two connection blocks are integrally connected to the outer wall of the housing 1, and the two connection blocks are provided with mounting through holes. In some embodiments, in order to improve the integration of the core components of the gas detection portion 3 so as to facilitate the assembly of various sensors in the housing 1, the temperature sensor 32 and the humidity sensor 33 are integrated on the same structure.
In detail, the humidity sensor 33 and the temperature sensor 32 are integrated to the mounting structure shown in fig. 3, the mounting structure includes two mounting shells 331 fastened and connected by a fastener 332, wherein the temperature sensor 32 is disposed on any one of the mounting shells 331, the humidity sensor 33 is fixed between the two mounting shells 331 during fastening and connecting the two mounting shells 331, and a first through hole 333 is disposed at a position of the two mounting shells 331 corresponding to the humidity sensor 33, so as to facilitate the humidity sensor 33 to detect SF6 gas flowing through the two mounting shells. Also, the data transmission lines of the temperature sensor 32 and the humidity sensor 33 are electrically connected to the transformer 21 in the above embodiment through the second through holes 334 reserved for the two mounting cases 331.
In some embodiments, referring to fig. 4, a plurality of electrical connection sites 211 are provided on the transformer 21, and a plurality of mounting holes 222 are provided on the transformer 21, the mounting holes 222 are used to mount the transformer 21 on the housing 1 by fasteners, corresponding to the air pressure detecting mechanism, the temperature detecting mechanism, the humidity detecting mechanism, the gas composition detecting mechanism, and the communication module 5. More specifically, the fastener may be a connecting bolt or a connecting pin.
Another object of the present application is to propose an electrical apparatus provided with an SF6 gas monitoring device as described above.
Compared with the prior art, the SF6 gas monitoring device has the advantages that SF6 gas in the electrical equipment can be detected in real time, the detection result of the SF6 gas is reflected to related equipment, workers outside the electrical equipment can know the state of the SF6 gas in the electrical equipment in real time, and adverse effects of toxic byproducts generated by decomposition of the SF6 gas on the electrical equipment and operators are prevented.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (10)
1. An SF6 gas monitoring apparatus comprising:
the device comprises a shell, wherein a first mounting structure is arranged on the outer wall of the shell, a first accommodating cavity and a second accommodating cavity which are mutually isolated are formed in the shell, and an air inlet and an air outlet are formed in the shell corresponding to the second accommodating cavity;
the electric connection part comprises a transformer arranged in the first accommodating cavity;
the gas detection part is arranged in the second accommodating cavity and is electrically connected with the electric connection part;
the communication module is arranged in the shell and is in communication connection with the gas detection part, and the communication module is in conductive connection with the electric connection part.
2. The SF6 gas monitoring device of claim 1, wherein a first partition is arranged in the second accommodating cavity, the first partition is positioned between the gas inlet and the gas outlet, so that the second accommodating cavity forms a U-shaped detection cavity, and the gas inlet and the gas outlet are respectively arranged at two ends of the detection cavity; the gas detection part is arranged in the detection chamber; and a driving fan is arranged in the detection chamber.
3. The SF6 gas monitoring apparatus of claim 2, wherein the gas detecting section comprises a gas pressure detecting mechanism, a temperature detecting mechanism, a humidity detecting mechanism, and a gas composition detecting mechanism arranged in sequence along the detection chamber gas flow path within the detection chamber.
4. A SF6 gas monitoring apparatus according to claim 3, wherein corresponding to the gas pressure detecting means, the temperature detecting means, the humidity detecting means, the gas composition detecting means and the communication module, electrical connection sites are provided on the transformer, respectively, and a plurality of mounting holes are provided on the transformer, the mounting holes fixing the transformer to the housing by fasteners.
5. The SF6 gas monitoring apparatus of claim 2, wherein the gas detecting section comprises a gas pressure detecting mechanism, and a temperature detecting mechanism, a humidity detecting mechanism, and a gas composition detecting mechanism which are sequentially provided along a gas flow path of the detecting chamber, the gas pressure detecting mechanism being provided on a wall of the housing, and a detecting end of the gas pressure detecting mechanism being directed to an outside of the housing.
6. A SF6 gas monitoring apparatus of claim 3 or 5, wherein the gas composition detection means comprises a gas composition sensor for detecting the concentration of SF6, the temperature detection means comprises a temperature sensor for detecting the intake air temperature of the detection chamber, the air pressure detection means comprises an air pressure sensor provided on an inner side wall of the housing, and the humidity detection means comprises a humidity sensor for detecting the humidity of SF6 gas entering the detection chamber; and the gas component sensor, the temperature sensor, the air pressure sensor and the humidity sensor are all electrically connected with the transformer.
7. The SF6 gas monitoring device of claim 1, wherein a second partition plate is arranged in the shell, the cross section of the second partition plate is in an L shape, the inner space of the shell is divided into a first accommodating cavity and a second accommodating cavity, openings for the lines to pass through are formed in the second partition plate and the outer wall of the shell, and sealing rings are arranged on the outer wall and the second partition plate corresponding to the openings.
8. The SF6 gas monitoring device of claim 7, wherein clamping protrusions for communicating with an external pipeline are arranged on the outer wall of the shell corresponding to the air inlet and the air outlet.
9. The SF6 gas monitoring device of claim 7, wherein the first mounting structure and the second partition are disposed on the housing, the first mounting structure comprises two connection blocks disposed on the housing, the two connection blocks are integrally connected to the housing, and the two connection blocks are provided with mounting through holes.
10. An electrical apparatus characterized in that an SF6 gas monitoring device according to any one of claims 1 to 9 is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320748945.6U CN220542124U (en) | 2023-04-07 | 2023-04-07 | SF6 gas monitoring device and electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320748945.6U CN220542124U (en) | 2023-04-07 | 2023-04-07 | SF6 gas monitoring device and electrical equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220542124U true CN220542124U (en) | 2024-02-27 |
Family
ID=89964182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320748945.6U Active CN220542124U (en) | 2023-04-07 | 2023-04-07 | SF6 gas monitoring device and electrical equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220542124U (en) |
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2023
- 2023-04-07 CN CN202320748945.6U patent/CN220542124U/en active Active
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