CN208431572U - A kind of insulating gas inflation system for power equipment - Google Patents
A kind of insulating gas inflation system for power equipment Download PDFInfo
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- CN208431572U CN208431572U CN201820967755.2U CN201820967755U CN208431572U CN 208431572 U CN208431572 U CN 208431572U CN 201820967755 U CN201820967755 U CN 201820967755U CN 208431572 U CN208431572 U CN 208431572U
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- power equipment
- pass joint
- gas
- cavity
- inflation system
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Abstract
The utility model discloses a kind of insulating gas inflation systems for power equipment comprising power equipment, vacuum pump, gas tube, pressure reducing valve, storage cylinder, the one or two pass joint, the two or two pass joint and the three or two pass joint；The vacuum pump needs the cavity for carrying out gas-insulated performance test or arc extinguishing to be connected to by the one or two pass joint and the power equipment；The storage cylinder, which is equipped with, is equipped with the buffer channel through its both ends with its internal valve being connected to, the gas tube；The valve is connect with the air inlet of the pressure reducing valve, and the gas outlet of the pressure reducing valve is connect by the two or two pass joint with one end of the buffer channel, and the other end of the buffer channel is connected to by the three or two pass joint with the cavity.The insulating gas inflation system for power equipment of the utility model, pipeline is simple and structure is simple.
Description
Technical field
The utility model relates to electrical equipment technical fields, fill more particularly, to a kind of insulating gas for power equipment
Gas system.
Background technique
Currently, power equipment (such as transformer) can be equipped with various components in its shell, in order to avoid electric power is set
It is standby not generate electric arc inside it at work, or can quickly extinguish after generating electric arc, so that it is guaranteed that the peace of the work of power equipment
Entirely, insulating gas (such as SF has often been filled in the shell of power equipment6Gas, i.e. sulfur hexafluoride).But it is existing
(such as Publication No. CN206315643U, patent name are inflation system for carrying out insulating gas inflation to power equipment
A kind of SF6Charger SF6The circulation drier of gas), more root canal roads are often provided with, pipeline is complicated and makes system
Structure become complicated.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of insulating gas for power equipment to inflate system
System, pipeline is simple and structure is simple.
To achieve the goals above, the utility model embodiment provides a kind of insulating gas inflation for power equipment
System comprising power equipment, vacuum pump, gas tube, pressure reducing valve, storage cylinder, the one or two pass joint, the two or two pass joint and
Three or two pass joints；
The vacuum pump needs to carry out gas-insulated performance examination by the one or two pass joint and the power equipment
It tests or the cavity of arc extinguishing is connected to；
The storage cylinder is equipped with its internal valve being connected to, and the buffering that the gas tube is equipped with through its both ends is logical
Road；The valve is connect with the air inlet of the pressure reducing valve, the gas outlet of the pressure reducing valve by the two or two pass joint with
One end of the buffer channel connects, and the other end of the buffer channel is connected by the three or two pass joint and the cavity
It is logical.
Preferably, the insulating gas inflation system for power equipment further includes air gauge；The air gauge is set to
On the power equipment, and the barometric end of probe is located in the cavity.
Preferably, the insulating gas inflation system for power equipment further includes air pressure detection sensor and alarm mould
Block；
The air pressure detection sensor is set on the power equipment, and the test side of the air pressure detection sensor is located at
In the cavity；The alarm module is electrically connected with the air pressure detection sensor.
Preferably, the diameter of the buffer channel is greater than the outer diameter of the two or two pass joint, and it is greater than the pressure reducing valve
Gas outlet internal diameter.
Preferably, the gas tube is the gas tube with swelliong power, the expanding blasting pressure of the gas tube is greater than
Or it is equal to 1200 kPas.
The insulating gas inflation system for power equipment provided by the utility model has below beneficial to effect
Fruit:
1, entire inflation system only has " one or two pass joints of vacuum pump-the-power equipment " and " storage cylinder-pressure reducing valve-the second
This two-way branch of two pass joints-gas tube-the, 3 two pass joints-power equipment ", and one root canal of gas tube is only arrived, therefore whole
The pipeline of a inflation system is relatively simple, so that entire inflation system is relatively simple for structure；
2, by being provided with the inflation with the buffer channel between the pressure reducing valve and the power equipment
Pipe can make the swift and violent gas flow rate touched from the pressure reducing valve reduce, to guarantee the inflation of inflation system in this way
Operation it is safe and reliable.
Detailed description of the invention
It, below will be to attached needed in embodiment in order to illustrate more clearly of the technical solution of the utility model
Figure is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is that a kind of structure of insulating gas inflation system for power equipment provided by the embodiment of the utility model is shown
It is intended to.
Description of symbols: 1. power equipments；10. cavity；2. vacuum pump；3. gas tube；30. buffer channel；4. decompression
Valve；5. storage cylinder；6. the one or two pass joint；7. the two or two pass joint；8. the three or two pass joint；9. air gauge；11. air pressure detects
Sensor；12. alarm module.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Figure 1, the utility model embodiment provides a kind of insulating gas inflation system for power equipment,
Including power equipment 1, vacuum pump 2, gas tube 3, pressure reducing valve 4, storage cylinder 5, the one or two pass joint 6, the two or two pass joint 7 and
Three or two pass joints 8；The vacuum pump 2 needs to carry out gas-insulated by the one or two pass joint 6 and the power equipment 1
The connection of the cavity 10 of performance test or arc extinguishing；The storage cylinder 5 is equipped with the valve (figure is to show) being connected to its inside, described to fill
Tracheae 3 is equipped with the buffer channel 30 through its both ends；The valve is connect with the air inlet of the pressure reducing valve 4, the pressure reducing valve 4
Gas outlet connect with one end of the buffer channel 30 by the two or two pass joint 7, the buffer channel 30 it is another
End is connected to by the three or two pass joint 8 with the cavity 10.
The working principle of the utility model embodiment are as follows: when needs are filled with into the cavity 10 of the power equipment 1
When insulating gas, the valve being closed on the storage cylinder 5 first then takes out the cavity 10 by vacuum pump 2
It is vacuum-treated, so that air pressure in the cavity 10 is close to vacuum state (preferably less than 10 pas)；Then vacuum pump 2 stops work
Make and disconnect the connection with cavity 10, open the valve on the storage cylinder 5, so that the gas in storage cylinder 5 is to described
Cavity 10 is inflated, and the connection of the three or two pass joint 8 and the cavity 10 is disconnected after charging, and makes the cavity 10 entire
It is closed that (refer to the prior art for the closed technology of cavity 10, such as the cavity 10 is connect with the three or two pass joint 8
Interface is equipped with a valve, also is provided with a valve on the interface of the cavity 10 connecting with the three or two pass joint 8
Door).Certainly, after charging gas, other than storage cylinder 5, other various components of the inflation system according to actual needs may not be used
It disconnects.
The utility model embodiment has the advantages that
1, entire inflation system only has " the one or two pass joint 6- power equipment 1 of vacuum pump 2- " and " storage cylinder 5- pressure reducing valve
The three or two pass joint 8- power equipment 1 " this two-way branch of the two or two pass joint 7- gas tube 3- of 4-, and only arrive gas tube 3 one
Root canal, therefore the pipeline of entire inflation system is relatively simple, so that entire inflation system is relatively simple for structure；
2, by being provided between the pressure reducing valve 4 and the power equipment 1 with described in the buffer channel 30
Gas tube 3 can make the swift and violent gas flow rate touched from the pressure reducing valve 4 reduce, to guarantee inflation system in this way
Inflation operation it is safe and reliable.
In the present embodiment, preferably, referring to Figure 1, the insulating gas inflation system for power equipment also wraps
Include air gauge 9；The air gauge 9 is set on the power equipment 1, and the end of probe of the air gauge 9 is located at the cavity 10
It is interior.By the way that the air gauge 9 is arranged so that it is convenient to observe the air pressure situation in the cavity 10 in inflation and when vacuumizing.
In the above-described embodiments, preferably, the insulating gas inflation system for power equipment further includes air pressure inspection
Survey sensor 11 and alarm module 12；The air pressure detection sensor 11 is set on the power equipment 1, and the air pressure detects
The test side of sensor 11 is located in the cavity 10；The alarm module 12 is electrically connected with the air pressure detection sensor 11.
Wherein, the air pressure numerical value that the air pressure detection sensor 11 will test is sent to the alarm module 12, when the alarm mould
When block 12 detects that the air pressure numerical value is greater than alarm threshold value, alarm warning is issued to people and (such as issues alarm or display
Warning message etc.).
In the above-described embodiments, preferably, the diameter of the buffer channel 30 is greater than the outer diameter of the two or two pass joint,
And it is greater than the internal diameter of the gas outlet of the pressure reducing valve 4, described in this way buffer channel 30 can be to touching from the pressure reducing valve 4
The flow velocity of gas slows down.
In the above-described embodiments, preferably, the gas tube 3 is the gas tube 3 with swelliong power, the gas tube 3
Expanding blasting pressure be greater than or equal to 1200 kPas.Since tracheae expanding blasting pressure is generally 2 times of operating pressure, wherein
The normal work of the cavity 10 and the gas tube 3 can achieve 600-800 kPas, in this way when being inflated, when described
When air pressure in cavity 10 is excessive, then the gas tube 3 understands explosion and the cavity 10 is avoided to be burst by air pressure, so that it is guaranteed that
The safety of the power equipment 1.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to
In this, any those skilled in the art is in technical scope disclosed by the utility model, the change that can readily occur in
Change or replace, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with described
Subject to scope of protection of the claims.
Claims (5)
1. a kind of insulating gas inflation system for power equipment, which is characterized in that including power equipment, vacuum pump, inflation
Pipe, pressure reducing valve, storage cylinder, the one or two pass joint, the two or two pass joint and the three or two pass joint；
The vacuum pump by the one or two pass joint and the power equipment need to carry out gas-insulated performance test or
The cavity of arc extinguishing is connected to；
The storage cylinder, which is equipped with, is equipped with the buffer channel through its both ends with its internal valve being connected to, the gas tube；Institute
It states valve to connect with the air inlet of the pressure reducing valve, the gas outlet of the pressure reducing valve is delayed by the two or two pass joint with described
One end connection in channel is rushed, the other end of the buffer channel is connected to by the three or two pass joint with the cavity.
2. the insulating gas inflation system according to claim 1 for power equipment, which is characterized in that further include air pressure
Table；The air gauge is set on the power equipment, and the barometric end of probe is located in the cavity.
3. the insulating gas inflation system according to claim 1 for power equipment, which is characterized in that further include air pressure
Detection sensor and alarm module；
The air pressure detection sensor is set on the power equipment, and the test side of the air pressure detection sensor is positioned at described
In cavity；The alarm module is electrically connected with the air pressure detection sensor.
4. the insulating gas inflation system according to claim 1 for power equipment, which is characterized in that the buffering is logical
The diameter in road is greater than the outer diameter of the two or two pass joint, and is greater than the internal diameter of the gas outlet of the pressure reducing valve.
5. the insulating gas inflation system according to any one of claims 1 to 4 for power equipment, which is characterized in that
The gas tube is the gas tube with swelliong power, and the expanding blasting pressure of the gas tube is greater than or equal to 1200 kPas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820967755.2U CN208431572U (en) | 2018-06-21 | 2018-06-21 | A kind of insulating gas inflation system for power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820967755.2U CN208431572U (en) | 2018-06-21 | 2018-06-21 | A kind of insulating gas inflation system for power equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431572U true CN208431572U (en) | 2019-01-25 |
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ID=65101386
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820967755.2U Active CN208431572U (en) | 2018-06-21 | 2018-06-21 | A kind of insulating gas inflation system for power equipment |
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| CN (1) | CN208431572U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251597A (en) * | 2022-01-18 | 2022-03-29 | 广东电网有限责任公司东莞供电局 | Adjustable multi-channel inflation equipment and method for large gas insulation equipment |
-
2018
- 2018-06-21 CN CN201820967755.2U patent/CN208431572U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114251597A (en) * | 2022-01-18 | 2022-03-29 | 广东电网有限责任公司东莞供电局 | Adjustable multi-channel inflation equipment and method for large gas insulation equipment |
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