CN216485392U - Automatic horizontal hydraulic pressure gas relay's detection device - Google Patents
Automatic horizontal hydraulic pressure gas relay's detection device Download PDFInfo
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- CN216485392U CN216485392U CN202121627585.1U CN202121627585U CN216485392U CN 216485392 U CN216485392 U CN 216485392U CN 202121627585 U CN202121627585 U CN 202121627585U CN 216485392 U CN216485392 U CN 216485392U
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000001914 filtration Methods 0.000 claims abstract description 21
- 239000007788 liquid Substances 0.000 claims description 18
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- 238000003466 welding Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 abstract description 7
- 239000002245 particle Substances 0.000 abstract description 6
- 230000009471 action Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
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Abstract
The invention belongs to the technical field of transformer protection devices, and particularly relates to a detection device for an automatic horizontal hydraulic gas relay. The relay placing platform is connected with a first automatic hydraulic device; one end of the gas relay is connected with one end of the automatic hydraulic device through a first flange, and the other end of the gas relay is connected with a third automatic hydraulic device through a second flange; the other end of the third automatic hydraulic device is sequentially connected with a filtering device, an oil return valve and an oil tank; the other end of the oil tank is connected with an oil pump, a flowmeter, an oil inlet valve and the other end of the automatic hydraulic device in sequence; the other end of the filtering device is also sequentially connected with a light gas oil valve, a liquidometer and an oil tank. The invention can ensure that the gas relay is arranged at a proper fixed position and keeps a horizontal state, thereby reducing the labor intensity of manpower and realizing automation. Large particle impurities in the gas relay can be filtered, the blockage of a channel is avoided, oil pollution is avoided, and the accuracy of a detection result is obviously improved.
Description
Technical Field
The invention belongs to the technical field of transformer protection devices, and particularly relates to a detection device for an automatic horizontal hydraulic gas relay, in particular to a detection device for an automatic horizontal hydraulic gas relay.
Background
The gas relay is a main protection device of the transformer and is arranged on a connecting pipe between a transformer oil tank and an oil conservator. The inclination angle of the pipeline is between 1% and 1.5%, so that produced fault gas can flow into the gas relay, when the transformer breaks down, a large amount of gas or oil is expanded, at the moment, oil-gas flow can rush to the oil storage cabinet, and the flowing oil-gas flow enables the gas relay to generate heavy gas tripping action. If a slight fault or air enters the transformer, a light gas alarm signal can be generated on the upper contact of the gas relay. The latent fault of the transformer can be found as early as possible through the heavy gas tripping action or the light gas alarm signal, and the transformer accident can be prevented in time. However, in practical application, as the operation life of the gas relay increases, a series of technical problems such as setting value change, poor contact of contacts, aging of elements and the like may occur, so that periodic detection of the gas relay is particularly important.
The existing detection device is complex in operation, a large amount of manpower is consumed to assemble and disassemble the gas relay for detection, and meanwhile, the gas relay cannot be guaranteed to be horizontal due to manual operation, so that the problem of inaccurate detection data can be caused.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a detection device for an automatic horizontal hydraulic gas relay. The invention aims to realize the detection work of heavy gas tripping action and light gas alarm signals of the gas relay after the gas relay is automatically and horizontally clamped.
The technical scheme adopted by the invention for realizing the purpose is as follows:
the detection device of the automatic horizontal hydraulic gas relay comprises a gas relay, wherein the upper part of the gas relay is connected with a gas release valve, a light gas alarm signal terminal and a heavy gas trip signal terminal; the gas relay is arranged on the upper part of the relay placing platform, and the lower part of the relay placing platform is connected with a second automatic hydraulic device; one end of the gas relay is connected with one end of the automatic hydraulic device through a first flange, and the other end of the gas relay is connected with a third automatic hydraulic device through a second flange; the other end of the third automatic hydraulic device is connected with the filtering device through an oil pipe; the other end of the filter device is connected with one end of an oil return valve and one end of an oil tank through an oil pipe; the other end of the oil tank is connected with an oil pump through an oil pipe, the other end of the oil pump is connected to a flowmeter through the oil pipe, and the other end of the flowmeter is connected with the other end of the automatic hydraulic device through the oil pipe and an oil inlet valve; the other end of the filtering device is also connected with a light gas oil valve and a liquid level meter through an oil pipe, and the other end of the liquid level meter is connected with an oil tank through an oil pipe.
Furthermore, a level gauge is arranged at the upper part of the gas relay.
Furthermore, the lower part of the relay placing platform is connected with a second automatic hydraulic device in a welding mode.
Furthermore, an oil inlet at one end of the gas relay is connected with one end of the automatic hydraulic device through a first flange, and an oil outlet at the other end of the gas relay is connected with a third automatic hydraulic device through a second flange; the oil outlet of the third automatic hydraulic device is connected with the oil inlet of the filtering device through an oil pipe.
Further, an oil outlet of the filtering device is connected with an oil return valve and a second oil inlet of the oil tank through an oil pipe; the oil outlet of the oil tank is connected with the oil inlet of the oil pump through an oil pipe, the oil outlet of the oil pump is connected to the oil inlet of the flow meter through the oil pipe, and the oil outlet of the flow meter is connected with the other end of the automatic hydraulic device through the oil pipe and the oil inlet valve.
Furthermore, the oil outlet of the filtering device is also connected with the light gas oil valve and the oil inlet of the liquid level meter through an oil pipe, and the oil outlet of the liquid level meter is connected with the first oil inlet of the oil tank through the oil pipe.
Further, the light gas alarm signal terminal and the heavy gas trip signal terminal are connected into an external instrument through connecting wires.
Further, the external instrument is a signal indicating device.
Further, when the flow velocity of the oil flow in the oil tank reaches any value of 0-4.0 m/and a heavy gas trip signal terminal generates a signal, heavy gas trip detection is realized.
Further, when the light gas alarm signal terminal generates a signal, the liquid volume is measured by using the liquid level meter to obtain a light gas alarm value, so that the light gas alarm signal detection is realized.
The invention has the following beneficial effects and advantages:
according to the detection device of the automatic horizontal hydraulic gas relay, the automatic hydraulic platform is arranged at the lower end of the gas relay to be detected, the gas relay can be lifted to a fixed required position, and the horizontal condition of the gas relay is observed and adjusted. The two ends of the gas relay are also provided with an automatic hydraulic device and a flange, the gas relay can be automatically fixed by one key, and a heavy gas trip signal and a light gas alarm signal are led out from the upper end of the gas relay. The oil speed in the oil pipe is changed by controlling the rotating speed of the oil pump, and when the action of a heavy gas tripping signal of the gas relay is detected, the flow value measured by the flowmeter is recorded. And opening an air release valve of the gas relay to lower the oil liquid level in the gas relay, and measuring the liquid volume by using the liquid level meter to obtain a light gas alarm value when detecting the light gas alarm model action of the gas relay.
By adopting the structure, the gas relay can be installed at a proper fixed position and kept in a horizontal state, the gas relay is prevented from being complex in operation and needing manpower to assemble and disassemble, and automation is realized. Meanwhile, large particle impurities in the gas relay can be filtered, the phenomenon that the large particle impurities block a channel and pollute oil is avoided, and the accuracy of a detection result can be obviously improved.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural view of the present invention.
In the figure:
the automatic hydraulic system comprises an oil tank 1, an oil pump 2, a flowmeter 3, an oil inlet valve 4, a first automatic hydraulic device 5, a first flange 6, a vent valve 7, a light gas alarm signal terminal 8, a heavy gas trip signal terminal 9, a level gauge 10, a gas relay 11, a relay placement platform 12, a second automatic hydraulic device 13, a second flange 14, a third automatic hydraulic device 15, a filtering device 16, a light gas oil valve 17, a liquid level meter 18, an oil return valve 19, a signal indicating device 20, a first oil inlet 21 and a second oil inlet 22.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The solution of some embodiments of the invention is described below with reference to fig. 1.
Example 1
The invention provides an embodiment, and relates to a detection device of an automatic horizontal hydraulic gas relay, as shown in fig. 1, and fig. 1 is a schematic structural diagram of the invention.
The device comprises a gas relay 11 to be detected, wherein the gas relay 11 is placed on the upper part of a relay placing platform 12, and the lower part of the relay placing platform 12 is connected with a second automatic hydraulic device 13 in a welding mode.
An oil inlet at one end of the gas relay 11 is connected with one end of the automatic hydraulic device 5 through a first flange 6, and an oil outlet at the other end of the gas relay 11 is connected with an oil inlet of a third automatic hydraulic device 15 through a second flange 14; an oil outlet at the other end of the third automatic hydraulic device 15 is connected with an oil inlet of the filtering device 16 through an oil pipe; an oil outlet of the filtering device 16 is connected with an oil return valve 19 and a second oil inlet 22 of the oil tank 1 through oil pipes; an oil outlet of the oil tank 1 is connected with an oil inlet of the oil pump 2 through an oil pipe, an oil outlet of the oil pump 2 is connected to an oil inlet of the flow meter 3 through an oil pipe, and an oil outlet of the flow meter 3 is connected with the other end of the automatic hydraulic device 5 through an oil pipe and an oil inlet valve 4;
the oil outlet of the filtering device 16 is also connected with a light gas oil valve 17 and an oil inlet of a liquid level meter 18 through oil pipes, and the oil outlet of the liquid level meter 18 is connected with a first oil inlet 21 of the oil tank 1 through the oil pipes.
The gas relay 11 is provided with a gas release valve 7, a light gas alarm signal terminal 8 and a heavy gas tripping signal terminal 9; a level 10 is also placed on the upper part of the gas relay 11.
Example 2
The invention also provides an embodiment, which is a detection device of the automatic horizontal hydraulic gas relay, and when the detection device is implemented, the process comprises the following steps:
And 2, placing the level meter 10 on the gas relay 11, and adjusting the gas relay 11 to be horizontal, so that the gas relay 11 is kept in a horizontal state before detection, and the problem that the measured data is deviated due to the fact that the gas relay 11 is not in the horizontal state is avoided.
And 3, operating the first automatic hydraulic device 5 and the third automatic hydraulic device 15 to enable the first flange 6 and the second flange 14 to clamp the gas relay 11 to a fixed position.
And 4, connecting the light gas alarm signal terminal 8 and the heavy gas trip signal terminal 9 at the upper end of the gas relay 11 into an external instrument signal indicating device 20 through a connecting wire to observe whether a signal exists or not.
When the signal of the gas relay 11 heavy gas trip signal terminal 9 is detected, the flow value measured by the flowmeter 3 is recorded.
And step 5, filling the oil tank 1 with transformer oil, opening the oil inlet valve 4 and the oil return valve 19, closing the light gas oil valve 17, and opening the air release valve 7 at the upper end of the gas relay 11 to lower the oil level in the gas relay 11.
The device can filter large-particle impurities in the gas relay 11 through the filtering device 16, so that the problems that the large-particle impurities block a channel, pollute oil and influence detection can be avoided.
Example 3
The invention also provides an embodiment, which is a detection device of the automatic horizontal hydraulic gas relay, and the process is shown as the embodiment 2 when the detection device is implemented.
When closing oil pump 2, when inlet valve 4 and oil return valve 19, open bleed valve 7 on gas relay 11, outside air gets into inside gas relay 11, the inside oil level of gas relay 11 begins to descend, oil passes through second flange 14 and third automatic hydraulic means 15 and gets into the oil inlet of filter equipment 16 through the oil-out of gas relay 11, behind the inside large granule impurity of filtering gas relay 11, the oil-out that the oil stream passes through filter equipment 16, it detects to go into level gauge 18 through light gas oil valve 17 and oil pipe rethread oil pipe for oil volume, the oil-out of level gauge 18 is connected with oil tank 1 through oil pipe, make transformer oil return to in the oil tank 1. When the light gas alarm signal terminal 8 generates a signal, the liquid volume is measured by the liquid level meter 18 to obtain a light gas alarm value, so that the detection of the light gas alarm signal is completed.
In the present invention, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The terms "connected" and "fixed" are to be construed broadly, e.g., "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the indicated devices or units must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present specification, the description of the terms "one embodiment," "some embodiments," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Finally, it should be noted that:
the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents may be made to the embodiments of the invention without departing from the spirit and scope of the invention, which is to be covered by the claims.
Claims (8)
1. The detection device of the automatic horizontal hydraulic gas relay comprises a gas relay, wherein the upper part of the gas relay is connected with a gas release valve, a light gas alarm signal terminal and a heavy gas trip signal terminal; the method is characterized in that: the gas relay is arranged on the upper part of the relay placing platform, and the lower part of the relay placing platform is connected with a second automatic hydraulic device; one end of the gas relay is connected with one end of the automatic hydraulic device through a first flange, and the other end of the gas relay is connected with a third automatic hydraulic device through a second flange; the other end of the third automatic hydraulic device is connected with the filtering device through an oil pipe; the other end of the filter device is connected with one end of an oil return valve and one end of an oil tank through an oil pipe; the other end of the oil tank is connected with an oil pump through an oil pipe, the other end of the oil pump is connected to a flowmeter through the oil pipe, and the other end of the flowmeter is connected with the other end of the automatic hydraulic device through the oil pipe and an oil inlet valve; the other end of the filtering device is also connected with a light gas oil valve and a liquid level meter through an oil pipe, and the other end of the liquid level meter is connected with an oil tank through an oil pipe.
2. The apparatus as claimed in claim 1, wherein the apparatus comprises: the upper part of the gas relay is also provided with a level gauge.
3. The apparatus as claimed in claim 1, wherein the apparatus comprises: the lower part of the relay placing platform is connected with a second automatic hydraulic device in a welding mode.
4. The apparatus as claimed in claim 1, wherein the apparatus comprises: an oil inlet at one end of the gas relay is connected with one end of the automatic hydraulic device through a first flange, and an oil outlet at the other end of the gas relay is connected with a third automatic hydraulic device through a second flange; the oil outlet of the third automatic hydraulic device is connected with the oil inlet of the filtering device through an oil pipe.
5. The apparatus as claimed in claim 1, wherein the apparatus comprises: an oil outlet of the filtering device is connected with an oil return valve and a second oil inlet of the oil tank through an oil pipe; the oil outlet of the oil tank is connected with the oil inlet of the oil pump through an oil pipe, the oil outlet of the oil pump is connected to the oil inlet of the flow meter through the oil pipe, and the oil outlet of the flow meter is connected with the other end of the automatic hydraulic device through the oil pipe and the oil inlet valve.
6. The apparatus as claimed in claim 1, wherein the apparatus comprises: the oil outlet of the filtering device is also connected with the light gas oil valve and the oil inlet of the liquid level meter through an oil pipe, and the oil outlet of the liquid level meter is connected with the first oil inlet of the oil tank through the oil pipe.
7. The apparatus as claimed in claim 1, wherein the apparatus comprises: the light gas alarm signal terminal and the heavy gas trip signal terminal are connected into an external instrument through connecting wires.
8. The apparatus as claimed in claim 7, wherein the apparatus comprises: the external instrument is a signal indicating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121627585.1U CN216485392U (en) | 2021-07-17 | 2021-07-17 | Automatic horizontal hydraulic pressure gas relay's detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121627585.1U CN216485392U (en) | 2021-07-17 | 2021-07-17 | Automatic horizontal hydraulic pressure gas relay's detection device |
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| CN216485392U true CN216485392U (en) | 2022-05-10 |
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| CN202121627585.1U Active CN216485392U (en) | 2021-07-17 | 2021-07-17 | Automatic horizontal hydraulic pressure gas relay's detection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740722A (en) * | 2021-07-17 | 2021-12-03 | 国网辽宁省电力有限公司电力科学研究院 | Intelligent detection device and method for gas relay calibration |
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2021
- 2021-07-17 CN CN202121627585.1U patent/CN216485392U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740722A (en) * | 2021-07-17 | 2021-12-03 | 国网辽宁省电力有限公司电力科学研究院 | Intelligent detection device and method for gas relay calibration |
| CN113740722B (en) * | 2021-07-17 | 2024-06-11 | 国网辽宁省电力有限公司电力科学研究院 | Intelligent detection device and method for checking gas relay |
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