CN211626799U - Gas pressure monitoring and compensating device for transformer bushing - Google Patents
Gas pressure monitoring and compensating device for transformer bushing Download PDFInfo
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- CN211626799U CN211626799U CN202020249931.6U CN202020249931U CN211626799U CN 211626799 U CN211626799 U CN 211626799U CN 202020249931 U CN202020249931 U CN 202020249931U CN 211626799 U CN211626799 U CN 211626799U
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Abstract
A gas pressure monitoring and compensating device for a transformer bushing relates to a gas pressure monitoring and compensating device. The device includes the box body and installs the box that converges in the box body, installs manometer, fills the exhaust valve, gas cylinder hose and monitoring hose on the box that converges, has realized transformer bushing SF6 gas pressure monitoring, gaseous integration of supplementing and discharging. The pressure of SF6 gas in the sleeve can be monitored at any time by using a pressure gauge, the inflation (exhaust) is quickly realized by using an inflation (exhaust) valve, the box body with the inspection window can realize dust prevention, rain prevention and external force damage prevention, and meanwhile, the operation and maintenance personnel can conveniently check the pressure condition; the pressure is monitored in real time, the pressure value is observed in real time, the alarm is carried out when the threshold value is exceeded, the functions of quickly supplementing air and the like can be realized, and the safe and stable operation of the SF6 sleeve of the transformer is powerfully guaranteed.
Description
Technical Field
The utility model relates to a gas pressure monitoring compensation arrangement, in particular to for transformer bushing gas pressure monitoring and compensation arrangement.
Background
SF6 gas has good electric insulation property and excellent arc extinguishing property, and is widely used as an insulating material for high-voltage switches, large-capacity transformers, high-voltage cables and sleeves due to the characteristics of chemical inertness, no toxicity, no combustion, no corrosion and the like. The transformer bushing is an essential part for realizing electric energy conversion of a transformer, the SF6 bushing is already used on the transformer in a large number, the SF6 gas pressure condition in the bushing directly influences the safe and reliable operation of the SF6 bushing, no device capable of measuring the pressure in the bushing when the SF6 bushing is used and inflating or exhausting the bushing according to the pressure condition exists at present, and therefore whether the transformer bushing is safe and reliable or not can not be found in time, and potential safety hazards exist.
Disclosure of Invention
The utility model aims at providing a not enough to prior art exists, the utility model discloses a for the transformer bushing gas pressure monitoring and compensation arrangement is provided.
The utility model adopts the technical proposal that: a gas pressure monitoring and compensating device for a transformer bushing comprises a box body with a viewing window, a pressure gauge, a confluence box, an inflation and exhaust valve, a gas cylinder hose, a monitoring hose and a gas cylinder, wherein the confluence box is arranged in the box body; the reading of the pressure gauge for reading the gas pressure in the confluence box is visible through the observation window of the box body; the confluence box is connected with the gas cylinder through a gas cylinder hose, and the confluence box is connected with the monitored transformer bushing through a monitoring hose.
In the above scheme, the confluence box is fixedly connected in the box body through bolts.
In the above scheme, the charging and discharging valve is connected with an external standby gas source and used for supplementing gas in the confluence box or discharging excess gas.
The utility model has the advantages that: this gas pressure monitoring and compensation arrangement for transformer bushing, including the box body and install the box that converges in the box body, install manometer, fill exhaust valve, gas cylinder hose and monitoring hose on the box that converges, realized transformer bushing SF6 gas pressure monitoring, gaseous integration that supplyes. The pressure of SF6 gas in the sleeve can be monitored at any time by using a pressure gauge, quick inflation (exhaust) is realized by using an inflation (exhaust) valve, the box body with the inspection window can realize dust prevention, rain prevention and external force damage prevention, and meanwhile, the operation and maintenance personnel can conveniently check the pressure condition; the pressure is monitored in real time, the pressure value is observed in real time, the alarm is carried out when the threshold value is exceeded, the functions of quickly supplementing air and the like can be realized, and the safe and stable operation of the SF6 sleeve of the transformer is powerfully guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a gas pressure monitoring and compensating device for a transformer bushing according to an embodiment of the present invention;
the numbers in the figure illustrate the following: 1 box body, 1-1 observation window, 2 pressure gauge, 3 confluence box, 4 inflation (exhaust) valve, 5 gas cylinder hose, 6 monitoring hose and 7 gas cylinder.
Detailed Description
The above objects, features and advantages of the present invention will become more apparent and the present invention will be explained in more detail with reference to the accompanying drawings 1 and the detailed description thereof.
The gas pressure monitoring and compensating device for the transformer bushing adopted by the embodiment comprises a box body 1 with a visual window 1-1, a pressure gauge 2, a confluence box 3, an air charging and discharging valve 4, a gas cylinder hose 5, a monitoring hose 6 and a gas cylinder 7, wherein the type of the box body 1 is Mini-Polyglas, and the Mini-Polyglas has high rainproof and dustproof measures, so that the rainproof and dustproof measures do not need to be added or added, and the outdoor use can be adapted. The type of the pressure gauge is GDM-100, the pressure gauge is provided with a preset threshold value, and signals are transmitted when the pressure gauge exceeds the threshold value. The model of the confluence box is HL, the model of the inflation (exhaust) valve 4 is VK/BG-30/20, the model of the gas cylinder hose 5 is DN8, the model of the monitoring hose is DN8, and the model of the gas cylinder 7 is GB5099 steel cylinder.
The pressure gauge 2, the inflation (exhaust) valve 4, the gas cylinder hose 5 and the monitoring hose 6 in the embodiment are respectively arranged on the confluence box 3. The converging box 3 is fixed in the box body 1 through bolts, and the numerical value of the pressure gauge 2 can be seen through the observation window 1-1. The gas cylinder hose 5 and the monitoring hose 6 are both positioned at the bottom of the confluence box 3, wherein one end of the gas cylinder hose 5 penetrates through the box body 1 and is connected to a gas cylinder 7; one end of the monitoring hose 6 is connected to the SF6 thimble being monitored through the cartridge 1. The gas charging (discharging) valve 4 can be connected with an external standby gas source, and is used for supplementing or discharging gas in the confluence box 3, so that the pressure can be conveniently adjusted.
The working process of the SF6 gas pressure monitoring and compensating device for the transformer bushing in the embodiment is as follows:
the SF6 gas pressure monitoring and compensating device in the embodiment is arranged on a sleeve of a transformer, one end of a monitoring hose 6 is connected to an SF6 sleeve of the transformer, the SF6 gas condition in the sleeve is guided into a confluence box 3 by the other end of the monitoring hose 6, after the sleeve of the transformer is used, the pressure is changed along with the change of the temperature and the leakage, a pressure gauge 2 on the confluence box 3 can display the pressure value at any time, and operation and maintenance personnel in daily work can know the pressure condition displayed by the pressure gauge 2 through a viewing window 1-1 without opening a box body 1 of the device; when the pressure reaches the threshold value, the pressure gauge 2 sends a signal, and the operation and maintenance personnel can operate the gas charging (discharging) valve 4 and the gas cylinder 7 according to the signal prompt to increase or decrease the amount of SF6 gas for the sleeve.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (3)
1. The gas pressure monitoring and compensating device for the transformer bushing is characterized by comprising a box body (1) with a viewing window (1-1), a pressure gauge (2), a confluence box (3), an inflation and exhaust valve (4), a gas cylinder hose (5), a monitoring hose (6) and a gas cylinder (7), wherein the confluence box (3) is installed in the box body (1), and the pressure gauge (2), the inflation and exhaust valve (4), the gas cylinder hose (5) and the monitoring hose (6) are all installed on the confluence box (3) and are communicated with the confluence box (3); the reading of a pressure gauge (2) for reading the gas pressure in the manifold box (3) is visible through a viewing window (1-1) of the box body; the confluence box (3) is connected with a gas cylinder (7) through a gas cylinder hose (5), and the confluence box (3) is connected with a monitored transformer bushing through a monitoring hose (6).
2. The gas pressure monitoring and compensating device for transformer bushing as claimed in claim 1, wherein said manifold box (3) is fixedly connected in the box body (1) by bolts.
3. The gas pressure monitoring and compensating device for transformer bushing as claimed in claim 1, wherein said gas charging and discharging valve (4) is connected to an external backup gas source for supplementing gas in the junction box (3) or removing excess gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249931.6U CN211626799U (en) | 2020-03-04 | 2020-03-04 | Gas pressure monitoring and compensating device for transformer bushing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020249931.6U CN211626799U (en) | 2020-03-04 | 2020-03-04 | Gas pressure monitoring and compensating device for transformer bushing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211626799U true CN211626799U (en) | 2020-10-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020249931.6U Active CN211626799U (en) | 2020-03-04 | 2020-03-04 | Gas pressure monitoring and compensating device for transformer bushing |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217815A (en) * | 2021-05-20 | 2021-08-06 | 江苏微导纳米科技股份有限公司 | Explosion-proof device |
| CN113586829A (en) * | 2021-08-03 | 2021-11-02 | 西安西电变压器有限责任公司 | Electrical equipment and charge-discharge pressure monitoring device |
-
2020
- 2020-03-04 CN CN202020249931.6U patent/CN211626799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113217815A (en) * | 2021-05-20 | 2021-08-06 | 江苏微导纳米科技股份有限公司 | Explosion-proof device |
| CN113586829A (en) * | 2021-08-03 | 2021-11-02 | 西安西电变压器有限责任公司 | Electrical equipment and charge-discharge pressure monitoring device |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Wei Inventor after: Guan Changyue Inventor after: Zhou Lu Inventor after: Guo Ling Inventor after: Li Hongzhi Inventor after: Jiang Chunna Inventor before: Wang Wei Inventor before: Guan Changyue Inventor before: Zhou Lu Inventor before: Guo Ling Inventor before: Li Hongzhi Inventor before: Jiang Chunna |
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| CB03 | Change of inventor or designer information |