CN209167255U - Power equipment SF6 gas-detecting device - Google Patents
Power equipment SF6 gas-detecting device Download PDFInfo
- Publication number
- CN209167255U CN209167255U CN201821606781.9U CN201821606781U CN209167255U CN 209167255 U CN209167255 U CN 209167255U CN 201821606781 U CN201821606781 U CN 201821606781U CN 209167255 U CN209167255 U CN 209167255U
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- Prior art keywords
- measuring chamber
- gas
- power equipment
- clarifier
- detecting device
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- 238000001514 detection method Methods 0.000 claims description 7
- 239000000428 dust Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 6
- 239000002274 desiccant Substances 0.000 claims description 5
- 239000002808 molecular sieve Substances 0.000 claims description 4
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000012360 testing method Methods 0.000 description 4
- 238000000354 decomposition reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000011897 real-time detection Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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- Drying Of Gases (AREA)
Abstract
The utility model discloses a kind of power equipment SF6 gas-detecting devices, including sequentially connected first measuring chamber, the second measuring chamber and third measuring chamber；First measuring chamber is equipped with pressure sensor, and the inlet end of the first measuring chamber is connected to by the first check valve with cubicle switch, and the first exhaust end of the first measuring chamber is connected to by second one-way valve with cubicle switch；Second measuring chamber is equipped with temperature sensor and humidity sensor, and flow-limiting valve is equipped between the second measuring chamber and the first measuring chamber；The third measuring chamber is equipped with SF6 gas analyzer.
Description
Technical field
The utility model relates to a kind of power equipment SF6 gas-detecting devices
Background technique
Cubicle switch keeps it extensive because possessing small in size, configuration flexibly and many advantages such as the time between overhauls(TBO) is long
It is used in high pressure and super-pressure field, also has certain applications in extra-high voltage field.SF6 gas is filled in GIS
Body makes it as dielectric and arc-extinguishing medium, however in actual moving process, will lead to SF6 gases did escape with
And the bad problem such as water content increase, decline so as to cause arc extinguishing ability possessed by cubicle switch with insulating capacity, most
Cubicle switch even running is adversely affected eventually.
Utility model content
The purpose of the utility model is to provide a kind of power equipment SF6 gas-detecting device, which can examine in real time
It surveys and gas leakage whether occurs, can also detect water content and SF6 gas concentration in cubicle switch in SF6 gas as needed.
In order to solve the above technical problems, the utility model provides a kind of power equipment SF6 gas-detecting device, including successively
The first measuring chamber, the second measuring chamber and the third measuring chamber of connection；First measuring chamber is equipped with pressure sensor, and first surveys
The inlet end of amount room is connected to by the first check valve with cubicle switch, and the first exhaust end of the first measuring chamber passes through second one-way valve
It is connected to cubicle switch；Second measuring chamber is equipped with temperature sensor and humidity sensor, and the second measuring chamber and first
Flow-limiting valve is equipped between measuring chamber；The third measuring chamber is equipped with SF6 gas analyzer.
Further, moisture separator is also connected between second measuring chamber and third measuring chamber.
Further, which includes the SF6 clarifier connecting with the third measuring chamber well.
Further, which further includes SF6 recyclable device, and the SF6 recyclable device includes storage cylinder and company
Connect the SF6 compressor between the storage cylinder and the SF6 clarifier.
Further, the SF6 clarifier includes shell, and has the inlet end of SF6 clarifier to SF6 clarifier
Dust filter unit, dry filter, desiccant filtering layer and the molecular sieve that exhaust end is set gradually.
The utility model has the following beneficial effects: the first measuring chamber and cubicle switch form and are similar to linker knot when work
Structure, can judging cubicle switch by the pressure in the first sensing chamber of real-time detection, there are gas leakage；When needing to detect in cubicle switch
When water content and SF6 gas concentration in SF6 gas, need to only open flow-limiting valve can be realized the micro- water detection of SF6 and SF6 gas
Concentration Testing, it is easy to operate；Also, by the way that flow-limiting valve is arranged between the first measuring chamber and the second measuring chamber, can buffer gas flow,
It prevents from connecting the excessive influence follow-up equipment performance of instant airflow, influences testing result；Furthermore flow-limiting valve may also turn off current limiting tube, rise
To the effect for disconnecting piping connection.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, at this
The same or similar part, the illustrative embodiments and their description of the application are indicated using identical reference label in a little attached drawings
For explaining the application, do not constitute an undue limitation on the present application.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the utility model one embodiment.
Fig. 2 is the structural schematic diagram of the SF6 clarifier of the utility model one embodiment.
Wherein: 1, cubicle switch；11, the first check valve；12, second one-way valve；2, the first measuring chamber；21, pressure sensing
Device；3, flow-limiting valve；4, the second measuring chamber；41, temperature sensor；42, humidity sensor；5, moisture separator；6, third measures
Room；61, SF6 gas analyzer；7, SF6 clarifier；71, dust filter unit；72, dry filter；73, desiccant filtering layer；
74, molecular sieve；8, SF6 compressor；9, storage cylinder.
Specific embodiment
Power equipment SF6 gas-detecting device as shown in Figure 1, including sequentially connected first measuring chamber 2, second measure
Room 4 and third measuring chamber 6；First measuring chamber 2 is equipped with pressure sensor 21, and the inlet end of the first measuring chamber 2 passes through the
One check valve 11 is connected to cubicle switch, and the first exhaust end of the first measuring chamber 2 is connected by second one-way valve 12 and cubicle switch
It is logical；Second measuring chamber 4 is equipped with temperature sensor 41 and humidity sensor 42, and the second measuring chamber 4 and the first measuring chamber
Flow-limiting valve 3 is equipped between 2；The third measuring chamber 6 is equipped with SF6 gas analyzer 61.Wherein, the sensor and humidity pass
What sensor 42 used is existing sensor, and user can select concrete model according to actual needs, and details are not described herein again；
RTPM-IV type SF6 gas comprehensive test instrument can be used for SF6 gas analyzer, it can be achieved that SF6 percentage concentration, main decomposition products
Measurement.
When work, the first measuring chamber 2 is formed with cubicle switch is similar to linker structure, can be examined by real-time detection first
The pressure surveyed in room judges cubicle switch, and there are gas leakage, can be by with matching for control when judging the leakage of SF6 gas
Device and alarm are alarmed, to prevent SF6 gas and decomposition product from can assemble bottom space indoors, to what is entered the room
The safety of service personnel and tour personnel constitute a serious threat.
When needing to detect the water content and SF6 gas concentration in cubicle switch in SF6 gas, flow-limiting valve need to be only opened
3 can be realized the micro- water detection of SF6 and the detection of SF6 gas concentration, easy to operate；Also, by being surveyed in the first measuring chamber 2 and second
Measure room 4 between be arranged flow-limiting valve 3, can buffer gas flow, prevent connect the excessive influence follow-up equipment performance of instant airflow, influence to detect
As a result；Furthermore flow-limiting valve 3 may also turn off current limiting tube, play the role of disconnecting piping connection.
According to one embodiment of the application, aqueous vapor point is also connected between second measuring chamber 4 and third measuring chamber 6
From device 5, the vapor in SF6 gas is sloughed by moisture separator 5, with the gas that prevents SF6 from generating in decomposable process with
The aggressive having after water mixing damages follow-up equipment, can extend the service life of single unit system.
According to one embodiment of the application, which includes the SF6 that connect with the third measuring chamber 6 net well
Change device 7.SF6 clarifier 7 can remove toxic SF6 decomposition product, can also be convenient for subsequent to SF6 gas purification therein is entered
Recycling.
According to one embodiment of the application, which further includes SF6 recyclable device, the SF6 recyclable device packet
The SF6 compressor 8 for including storage cylinder 9 and being connected between the storage cylinder and the SF6 clarifier 7.Pass through in the course of work
SF6 compressor 8 is delivered to storage cylinder after it is compressed to the SF6 after purified and recycles.
According to one embodiment of the application, the SF6 clarifier 7 includes shell, and has the air inlet of SF6 clarifier 7
Dust filter unit 71, dry filter 72, desiccant filtering layer 73 and the molecule for holding the exhaust end to SF6 clarifier 7 to set gradually
Sieve 74；Wherein, dust filter unit 71 and dry filter 72 are used to filter the dust in SF6 gas, and desiccant filtering layer 73 can be into
One step sloughs the moisture in SF6 gas completely, and molecular sieve 74 is recycled for filtering out SF6 gas.
When work, the first measuring chamber 2 is formed with cubicle switch is similar to linker structure, can be examined by real-time detection first
The pressure surveyed in room judges cubicle switch, and there are gas leakage；When needing to detect water content and SF6 in cubicle switch in SF6 gas
When gas concentration, need to only open flow-limiting valve 3 can be realized the micro- water detection of SF6 and the detection of SF6 gas concentration, easy to operate；Also,
By between the first measuring chamber 2 and the second measuring chamber 4 be arranged flow-limiting valve 3, can buffer gas flow, prevent connect instant airflow mistake
It is big to influence follow-up equipment performance, influence testing result；Furthermore flow-limiting valve 3 may also turn off current limiting tube, plays and disconnects piping connection
Effect.
Finally, it is stated that above embodiments are merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, those skilled in the art should understand that, it can be to this
The technical solution of utility model is modified or replaced equivalently, without departing from the objective and model of technical solutions of the utility model
It encloses, should all cover in the scope of the claims of the utility model.
Claims (5)
1. a kind of power equipment SF6 gas-detecting device, which is characterized in that surveyed including sequentially connected first measuring chamber, second
Measure room and third measuring chamber；
First measuring chamber is equipped with pressure sensor, and the inlet end of the first measuring chamber passes through the first check valve and cubicle switch
The first exhaust end of connection, the first measuring chamber is connected to by second one-way valve with cubicle switch；
Second measuring chamber is equipped with temperature sensor and humidity sensor, and sets between the second measuring chamber and the first measuring chamber
Current limiting valve；
The third measuring chamber is equipped with SF6 gas analyzer.
2. power equipment SF6 gas-detecting device according to claim 1, which is characterized in that second measuring chamber with
Moisture separator is also connected between third measuring chamber.
3. power equipment SF6 gas-detecting device according to claim 1, which is characterized in that the detection device includes well
The SF6 clarifier being connect with the third measuring chamber.
4. power equipment SF6 gas-detecting device according to claim 3, which is characterized in that the detection device further includes
SF6 recyclable device, the SF6 recyclable device include storage cylinder and are connected between the storage cylinder and the SF6 clarifier
SF6 compressor.
5. power equipment SF6 gas-detecting device according to claim 4, which is characterized in that the SF6 clarifier includes
Shell, and the dust filter unit, the dry filter that there is the inlet end of SF6 clarifier to set gradually to the exhaust end of SF6 clarifier
Device, desiccant filtering layer and molecular sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606781.9U CN209167255U (en) | 2018-09-29 | 2018-09-29 | Power equipment SF6 gas-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821606781.9U CN209167255U (en) | 2018-09-29 | 2018-09-29 | Power equipment SF6 gas-detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209167255U true CN209167255U (en) | 2019-07-26 |
Family
ID=67332691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821606781.9U Active CN209167255U (en) | 2018-09-29 | 2018-09-29 | Power equipment SF6 gas-detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209167255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326742A (en) * | 2020-10-29 | 2021-02-05 | 国网山西省电力公司吕梁供电公司 | Oil micro-water analyzer and control method thereof |
| CN112748217A (en) * | 2020-12-14 | 2021-05-04 | 河南平高电气股份有限公司 | On-line detection device and gas recovery system using same |
-
2018
- 2018-09-29 CN CN201821606781.9U patent/CN209167255U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112326742A (en) * | 2020-10-29 | 2021-02-05 | 国网山西省电力公司吕梁供电公司 | Oil micro-water analyzer and control method thereof |
| CN112748217A (en) * | 2020-12-14 | 2021-05-04 | 河南平高电气股份有限公司 | On-line detection device and gas recovery system using same |
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