CN208606974U - Verify the device of more gas relay leakproofness - Google Patents
Verify the device of more gas relay leakproofness Download PDFInfo
- Publication number
- CN208606974U CN208606974U CN201821480675.0U CN201821480675U CN208606974U CN 208606974 U CN208606974 U CN 208606974U CN 201821480675 U CN201821480675 U CN 201821480675U CN 208606974 U CN208606974 U CN 208606974U
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- China
- Prior art keywords
- branch
- oil circuit
- gas relay
- clamp system
- clamping
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- 239000000446 fuel Substances 0.000 claims abstract description 16
- 239000002828 fuel tank Substances 0.000 claims abstract description 14
- 239000003921 oil Substances 0.000 claims description 49
- 239000010724 circulating oil Substances 0.000 claims description 9
- 238000012795 verification Methods 0.000 claims description 9
- 238000012360 testing method Methods 0.000 abstract description 16
- 239000007789 gas Substances 0.000 description 38
- 238000000034 method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to a kind of devices for verifying more gas relay leakproofness, the device for verifying more gas relay leakproofness includes cabinet, fuel tank, working connection, branch's oil circuit, working connection is connect with fuel tank, cabinet is equipped with the clamping device for clamping gas relay, clamping device has clamp system more than two, every group of clamp system is respectively used to one gas relay of clamping, the quantity of branch's oil circuit and the quantity of clamp system are identical, each branch's oil circuit is connected in parallel on working connection, working connection is equipped with metering pump, branch's oil circuit is connected to the both ends of corresponding clamp system, two sides on branch's oil circuit in clamp system are respectively equipped with inlet valve, fuel outlet valve, pressure sensor is additionally provided on branch's oil circuit.The device can test more gas relays simultaneously, improve testing efficiency.
Description
Technical field
The utility model relates to gas relay calibration equipment technical field, and in particular to a kind of more gases of verification after
The device of electric appliance leakproofness.
Background technique
Transformer is the electrical equipment for changing alternating voltage size, is occupied in the power system extremely important low
, largely using oil-immersed transformer in electric system.Oil-immersed transformer is widely used, when oil-immersed transformer is sent out
When raw internal fault, one of most important safeguard measure is exactly gas relay protection (also referred to as protection), it can send out in time
It is out of order and alarms and cut off faulty equipment from power grid rapidly, reduce the generation of electric power accident, improve power equipment operation
Security reliability.
Gas relay sealing performance is to judge an important indicator of its quality, tests the sealing of gas relay
Property is an important process of power industry.The equipment for testing gas relay leakproofness, can only once detect one.Such as authorization
A kind of gas-actuated relay calibration stand disclosed in the utility model patent of notification number CN201145734Y, the checking table include clamping dress
It sets, working connection, flow detector, pressure-detecting device.Clamping device be one end fix, the movable frock clamp of the other end,
The clamping of Buchholz relay is realized relative to the movement of fixing end using the movable end.The both ends of clamping device respectively with gas
Liquid flow channel for oil inside relay is connected, and facilitating working connection to pass through clamping device is Buchholz relay fuel feeding.The two of working connection
End is connected to the both ends of clamping device, is Buchholz relay fuel feeding.Working connection includes fuel tank, oil pump, the first main switch,
Two main switches.A Buchholz relay can only be tested every time, cause labor intensity height and working efficiency low, it is uneconomical.
Utility model content
The purpose of the utility model is to provide a kind of devices for verifying more gas relay leakproofness, to improve test effect
Rate.
To achieve the above object, the utility model verifies the device of more gas relay leakproofness using following technical side
Case: the device of more gas relay leakproofness of verification, including cabinet, fuel tank, working connection, branch's oil circuit, working connection and fuel tank
Connection, cabinet are equipped with clamping device for clamping gas relay, and clamping device has a clamp system more than two, and every group
Clamp system is respectively used to one gas relay of clamping, and the quantity of branch's oil circuit and the quantity of clamp system are identical, each branch
Oil circuit is connected in parallel on working connection, and working connection is equipped with metering pump, and branch's oil circuit is connected to the both ends of corresponding clamp system,
Two sides on branch's oil circuit in clamp system are respectively equipped with inlet valve, fuel outlet valve, are additionally provided with pressure sensor on branch's oil circuit.
Further, branch's oil circuit has three, and clamp system has three groups.
Further, pressure gauge is additionally provided on each branch's oil circuit.
Further, the device of more gas relay leakproofness of the verification further includes circulating oil path, circulating oil path one
End be connected on the fuel tank, the other end be connected to working connection be located at metering pump and the portion between nearest branch's oil circuit
On point, circulating oil path is equipped with circulating valve.
Further, the clamp system include a fixed part and a movable part, movable part be axially movable with fixation
The clamping to gas relay is realized in portion's cooperation.
The utility model has the beneficial effects that the utility model verifies the device of more gas relay leakproofness, it is provided with
Two or more under test gas relays can be mounted on cabinet simultaneously by clamp system and corresponding branch's oil circuit more than two
On tested, save the testing time, improve efficiency, improve economic benefit.
Detailed description of the invention
Fig. 1 is the main view (part-structure dismounting) for the device that the utility model verifies more gas relay leakproofness；
Fig. 2 is the side view for the device that the utility model verifies more gas relay leakproofness；
Fig. 3 is the top view for the device that the utility model verifies more gas relay leakproofness；
Fig. 4 is the oil circuit schematic diagram for the device that the utility model verifies more gas relay leakproofness.
Respectively mark corresponding title: 1, cabinet in figure, 2, universal wheel, 3, metering pump, 4, fuel tank, the 5, first inlet valve, 6,
First fuel outlet valve, 7, first pressure sensor, the 8, first clamp system, 81, fixed part, 82, movable part, 10, first pressure gauge,
11, second pressure gauge, 12, third pressure gauge, 13, gas relay, 14, circulating valve, the 15, second inlet valve, 16, second drains the oil
Valve, 17, third inlet valve, 18, third fuel outlet valve.
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's every other embodiment obtained, all belongs to
In the range of the utility model protection.
The utility model verifies the embodiment 1 of the device of more gas relay leakproofness: as Figure 1-Figure 4, verification
The device of more gas relay leakproofness, including cabinet 1, fuel tank 4, working connection, branch's oil circuit.Cabinet 1 is equipped with for pressing from both sides
The clamping device of tight gas relay 13 to be measured, clamping device have clamp system more than two, every group of clamp system difference
For clamping a gas relay 13.In the present embodiment, clamp system has arranged side by side three groups.For one of them,
First clamp system 8 includes a fixed part 81 and a movable part 82, and movable part is axially movable to cooperate realization pair with fixed part
The clamping of gas relay.Clamp system can be used in the prior art, background technique is also described, herein no longer to it
Principles illustrated.
Working connection is connect with fuel tank 4, and working connection is equipped with metering pump 3.Branch's oil circuit has three, and each branch's oil circuit parallel connection connects
It connects on working connection.Branch's oil circuit is connected to the both ends of corresponding clamp system, to corresponding gas relay fuel feeding.Branch's oil
Road is respectively equipped with inlet valve, fuel outlet valve in the two sides of clamp system, and pressure sensor, pressure gauge are additionally provided on branch's oil circuit.
For convenient for label, branch's oil circuit is denoted as first branch's oil circuit, second branch's oil circuit, third branch oil circuit, phase respectively
The sensor answered is denoted as first sensor, second sensor, 3rd sensor, and pressure gauge is first pressure gauge 10, second pressure
Table 11, third pressure gauge 12, inlet valve are denoted as the first inlet valve 5, the second inlet valve 15, third inlet valve 17, fuel outlet valve respectively
It is denoted as the first fuel outlet valve 6, the second fuel outlet valve 16, third fuel outlet valve 18 respectively.
The device for verifying more gas relay leakproofness further includes circulating oil path, and circulating oil path one end is connected to fuel tank
On, the other end is connected on the part positioned at metering pump and between nearest branch's oil circuit of working connection, on circulating oil path
Equipped with circulating valve 14.When each oil circuit does not need fuel feeding, openable circulating valve makes oil be recycled to fuel tank 4.
Above-mentioned clamping device is arranged on cabinet top, and cabinet lower part is additionally provided with cabinet door, drawer, for storing article.Machine
Cabinet lower end quadrangle is mounted on universal wheel 2, easy to remove.Pressure gauge concentrated setting in the left side on cabinet top, cabinet top
Right side is used to that control system, display device is arranged.
The utility model verifies the device of more gas relay leakproofness when in use, by three gases to be detected after
Electric appliance distinguishes clamping at corresponding clamp system, accesses in branch's oil circuit of test.Started by computer control system and is counted
Amount pump 3, makes all oil circuits and under test gas relay full of oil.Be then shut off all fuel outlet valves, and continue control metering pump to
Liquid pressing, the corresponding loine pressure of pressure sensor real-time detection of each branch's oil circuit, and shown by pressure gauge.When some
When the loine pressure of branch's oil circuit reaches pre-set pressure, the inlet valve on branch's oil circuit is closed, the oil circuit is in
State of pressure keeping carries out pressure maintaining test.When second branch's oil circuit also reaches pre-set pressure, be also switched off on the pipeline into
Oil valve makes it into state of pressure keeping, carries out pressure maintaining test.Similarly, when the last one branch's oil circuit reaches preset pressure,
The inlet valve being also switched off on the oil circuit, simultaneously closes off metering pump, which also enters state of pressure keeping, carries out pressure maintaining test.
Each branch's oil circuit in the given time complete by pressure maintaining, and computer control system automatically records initial pressure value and the end of the pipeline
Whether pressure value, the sealing performance to judge under test gas relay are qualified.
The device that the utility model verifies more gas relay leakproofness can test three gas relays, efficiency simultaneously
Height saves the time, improves economic benefit.
Each inlet valve, fuel outlet valve in the present embodiment, can be used solenoid valve, be easy to implement automatic control.Certainly, it can also adopt
With other kinds of valve.
The utility model verifies the embodiment 2 of the device of more gas relay leakproofness
In the present embodiment, clamp system uses two groups, can test two gas relays, corresponding branch's oil simultaneously every time
Road is also setting two.
In other embodiments, clamp system can also be used four groups, can test four gas relays simultaneously every time.
Claims (5)
1. verifying the device of more gas relay leakproofness, it is characterised in that: including cabinet, fuel tank, working connection, branch's oil
Road, working connection are connect with fuel tank, and cabinet is equipped with the clamping device for clamping gas relay, and clamping device has more than two
Clamp system, every group of clamp system be respectively used to one gas relay of clamping, the quantity of branch's oil circuit and clamp system
Quantity is identical, and each branch's oil circuit is connected in parallel on working connection, and working connection is equipped with metering pump, branch's oil circuit and corresponding clamping
The both ends of mechanism are connected to, and are respectively equipped with inlet valve, fuel outlet valve in the two sides of clamp system on branch's oil circuit, are also set on branch's oil circuit
There is pressure sensor.
2. the device of more gas relay leakproofness of verification according to claim 1, it is characterised in that: branch's oil
Lu Yousan item, clamp system have three groups.
3. the device of more gas relay leakproofness of verification according to claim 1, it is characterised in that: each branch's oil circuit
On be additionally provided with pressure gauge.
4. the device of more gas relay leakproofness of verification according to any one of claims 1 to 3, it is characterised in that:
The device of more gas relay leakproofness of the verification further includes circulating oil path, and circulating oil path one end is connected to the fuel tank
On, the other end is connected on the part positioned at metering pump and between nearest branch's oil circuit of working connection, on circulating oil path
Equipped with circulating valve.
5. the device of more gas relay leakproofness of verification according to any one of claims 1 to 3, it is characterised in that:
The clamp system include a fixed part and a movable part, movable part be axially movable with fixed part cooperation realize to gas after
The clamping of electric appliance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821480675.0U CN208606974U (en) | 2018-09-11 | 2018-09-11 | Verify the device of more gas relay leakproofness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821480675.0U CN208606974U (en) | 2018-09-11 | 2018-09-11 | Verify the device of more gas relay leakproofness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208606974U true CN208606974U (en) | 2019-03-15 |
Family
ID=65680337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821480675.0U Active CN208606974U (en) | 2018-09-11 | 2018-09-11 | Verify the device of more gas relay leakproofness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208606974U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730917A (en) * | 2021-01-15 | 2021-04-30 | 西安亚能电气有限责任公司 | Installation shell for gas relay calibrator |
| CN112782429A (en) * | 2021-01-15 | 2021-05-11 | 西安亚能电气有限责任公司 | Power device for checking gas relay |
| CN112881904A (en) * | 2021-01-15 | 2021-06-01 | 西安亚能电气有限责任公司 | Gas relay calibrator |
-
2018
- 2018-09-11 CN CN201821480675.0U patent/CN208606974U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112730917A (en) * | 2021-01-15 | 2021-04-30 | 西安亚能电气有限责任公司 | Installation shell for gas relay calibrator |
| CN112782429A (en) * | 2021-01-15 | 2021-05-11 | 西安亚能电气有限责任公司 | Power device for checking gas relay |
| CN112881904A (en) * | 2021-01-15 | 2021-06-01 | 西安亚能电气有限责任公司 | Gas relay calibrator |
| CN112881904B (en) * | 2021-01-15 | 2024-09-03 | 西安亚能电气有限责任公司 | Gas relay calibrator |
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