CN217542253U - Gas relay vacuumizing seal checking complete device - Google Patents
Gas relay vacuumizing seal checking complete device Download PDFInfo
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- CN217542253U CN217542253U CN202221124067.2U CN202221124067U CN217542253U CN 217542253 U CN217542253 U CN 217542253U CN 202221124067 U CN202221124067 U CN 202221124067U CN 217542253 U CN217542253 U CN 217542253U
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Abstract
The utility model discloses a buchholz relay evacuation seals check-up integrated equipment connects in buchholz relay's discharge valve exit, including evacuation pipeline and survey the vacuum pipeline, evacuation pipeline includes connecting tube and vacuum pump, surveys the vacuum pipeline and includes connecting tube and vacuum tube. The T-shaped three-way pipe of the complete set device is connected with the exhaust valve of the gas relay, the vacuum measuring pipeline is connected with the vacuum pumping pipeline through the T-shaped three-way pipe through the quick connectors, and the complete set device can be used for being matched with the gas relays of different manufacturers. The vacuumizing pipeline is provided with a buffer tank which can prevent residual oil from entering the vacuum pump to cause damage of the residual oil. This integrated equipment installs in conventional buchholz relay check-up bench back, can solve conventional buchholz relay check-up bench and can't carry out the defect of evacuation sealing check-up to buchholz relay, perfect equipment function effectively promotes the economic nature of conventional check-up platform.
Description
Technical Field
The utility model relates to a buchholz relay evacuation seals check-up integrated equipment.
Background
The gas relay, also called as gas relay, is a protector for transformer and is installed in the pipeline between the oil tank and postbox of transformer. When the internal fault of the transformer causes the oil to be decomposed to generate gas or cause oil flow to surge, the contact of the gas relay acts to connect a designated control loop and send out a signal alarm (light gas) in time or start a protection element to automatically cut off the transformer (heavy gas).
The existing gas relay calibration platform slowly, uniformly and stably increases the flow rate based on the flow rate of insulating oil in a connecting pipe, and performs calibration by taking a measured steady-state flow rate value as a flow rate setting value when tripping action is output. The method can not detect the defect of oil leakage of the dry spring contact inside the gas relay; in addition, the current hollow float gas relay does not meet the regulation requirement of vacuumizing and sealing inspection.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a buchholz relay evacuation seals check-up integrated equipment that can perfect conventional check-up platform service function, promote its economic benefits.
The utility model provides a sealed check-up integrated equipment of buchholz relay evacuation connects in buchholz relay's discharge valve exit, including evacuation pipeline and survey the vacuum pipeline, evacuation pipeline includes connecting tube and vacuum pump, surveys the vacuum pipeline and includes connecting tube and vacuum meter.
In one mode of the above complete equipment, the starting ends of the connecting pipelines of the vacuumizing pipeline and the vacuum degree measuring pipeline are detachably connected with two outlets of the same three-way pipe respectively, and the inlet end of the three-way pipe is detachably connected with the outlet of the exhaust valve of the gas relay.
In one mode of the above complete equipment, the starting ends of the connecting pipelines of the vacuum pumping pipeline and the vacuum degree measuring pipeline are respectively connected with the three-way pipe through quick connectors.
In one mode of the above-mentioned complete equipment, the connecting pipeline of the vacuum pumping pipeline is connected with a switch valve and a buffer tank, and the vacuum pump is connected to the tail end of the connecting pipeline.
In one mode of the above-described plant, the connecting pipeline of the evacuation pipeline is an inverted unequal-arm U-shaped pipe, and the vacuum pump is connected to the lower end of the long arm thereof.
In one mode of the above complete equipment, the connecting pipeline of the vacuum degree measuring pipeline is connected with a switch valve, and the vacuum meter is connected to the tail end of the connecting pipeline.
In one mode of the above-described complete equipment, the connecting pipe of the vacuum degree measuring pipe is an L-shaped pipe, and the vacuum gauge is connected to the upper end of the vertical section thereof.
The complete device is connected to the exhaust valve outlet of the gas relay, the T-shaped three-way pipe and the exhaust valve of the gas relay are connected through the quick connectors respectively, the vacuum degree measuring pipeline and the vacuumizing pipeline are connected with the T-shaped three-way pipe, and the complete device can be complete with the gas relays of different manufacturers. The vacuumizing pipeline is provided with the buffer tank, so that the residual oil can be prevented from entering the vacuum pump to cause damage to the vacuum pump. This integrated equipment installs back in conventional buchholz relay check table, can solve conventional buchholz relay check table and can't carry out the defect of evacuation sealing check-up to buchholz relay, perfect equipment function effectively promotes the economic nature of conventional check-up platform.
Drawings
Fig. 1 is a schematic diagram of a practical state of an embodiment of the present invention.
Detailed Description
As shown in fig. 1, the complete set of vacuum pumping seal checking device for the buchholz relay disclosed in this embodiment is connected to the outlet of the exhaust valve of the buchholz relay 1, and comprises a T-shaped three-way pipe 2, an L-shaped connecting pipe 3, an inverted U-shaped connecting pipe 4, a switch valve 5, a vacuum gauge 6, a buffer tank 7 and a vacuum pump 8.
The inlet connecting pipe of the T-shaped three-way pipe 2 is detachably connected with the exhaust valve of the gas relay 1 through a quick connector.
The two arms of the inverted U-shaped connecting pipeline 4 are unequal in length.
The starting end of the horizontal section of the L-shaped connecting pipeline 3 and the starting end of the short arm of the inverted U-shaped connecting pipeline 4 are detachably connected with the two outlet connecting pipes of the T-shaped three-way pipe 2 through quick connectors respectively.
The horizontal section of L shape connecting tube 3 is connected with ooff valve 5, and vacuum gauge 6 is connected in the vertical section upper end of L shape connecting tube 3.
The horizontal section of the inverted U-shaped connecting pipeline 4 is sequentially connected with a switch valve 5 and a buffer tank 7, and a vacuum pump 8 is connected to the tail end of a long arm of the inverted U-shaped connecting pipeline.
The L-shaped connecting pipeline 3, the switch valve 5 and the vacuum gauge 6 are assembled into a vacuum degree measuring pipeline, and the inverted U-shaped connecting pipeline 4, the switch valve 5, the buffer tank 7 and the vacuum pump 8 are assembled into a vacuum pumping pipeline.
When the complete equipment is assembled, the interfaces at two ends of the gas relay needing to be subjected to vacuumizing seal check are sealed by the blank plate 9, then the gas relay is fixed on the conventional check table 10, the T-shaped three-way pipe is connected at the outlet of the exhaust valve of the gas relay through the quick connector, and then the two outlets of the T-shaped three-way pipe are respectively connected with the initial end of the horizontal section of the L-shaped connecting pipeline and the initial end of the short arm of the inverted U-shaped connecting pipeline through the quick connector.
Note that a gasket is provided at each joint during assembly.
And after the vacuum pump is assembled, the reliability and the sealing performance of each connecting part are checked, whether the vacuum meter and the vacuum pump are normal is checked, and then the two switch valves are in a closed state. And starting the vacuum pump, slowly opening a switch valve on the inverted U-shaped connecting pipeline after the vacuum pump operates stably, opening a switch valve on the L-shaped connecting pipeline after the switch valve operates stably, observing and recording the reading of the vacuum meter after the switch valve operates stably, and starting timing verification when the reading of the vacuum meter is 133 Pa.
Between the T-shaped three-way pipe of the complete set device and the exhaust valve of the gas relay, the vacuum degree measuring pipeline and the vacuum pumping pipeline are respectively connected with the T-shaped three-way pipe through quick connectors, and the complete set device can be integrated with the gas relays of different manufacturers. The vacuumizing pipeline is provided with the buffer tank, so that the residual oil can be prevented from entering the vacuum pump to cause damage to the vacuum pump. This integrated equipment installs back in conventional buchholz relay check table, can solve conventional buchholz relay check table and can't carry out the defect of evacuation sealing check-up to buchholz relay, perfect equipment function effectively promotes the economic nature of conventional check-up platform.
Claims (4)
1. The utility model provides a buchholz relay evacuation seals check-up integrated equipment which characterized in that: the complete device is connected to the outlet of an exhaust valve of a gas relay and comprises a vacuumizing pipeline and a vacuum degree measuring pipeline, wherein the vacuumizing pipeline comprises a connecting pipeline and a vacuum pump, and the vacuum degree measuring pipeline comprises a connecting pipeline and a vacuum meter;
the starting ends of the connecting pipelines of the vacuumizing pipeline and the vacuum degree measuring pipeline are respectively detachably connected with two outlets of the same T-shaped three-way pipe, and the inlet end of the T-shaped three-way pipe is detachably connected with an outlet of an exhaust valve of a gas relay;
the starting ends of the connecting pipelines of the vacuumizing pipeline and the vacuum degree measuring pipeline are respectively connected with the T-shaped three-way pipe through quick connectors;
the vacuum pump is connected to the tail end of the connecting pipeline.
2. The buchholz relay vacuumizing seal checking kit according to claim 1, characterized in that: the connecting pipeline of the vacuum pumping pipeline is an inverted unequal-arm U-shaped pipe, and the vacuum pump is connected to the lower end of the long arm of the vacuum pumping pipeline.
3. The buchholz relay vacuumizing seal checking kit according to claim 1, characterized in that: the vacuum degree measuring pipeline is characterized in that a connecting pipeline of the vacuum degree measuring pipeline is connected with a switch valve, and the vacuum meter is connected to the tail end of the connecting pipeline.
4. The buchholz relay vacuumizing seal checking kit according to claim 3, characterized in that: the connecting pipeline of the vacuum degree measuring pipeline is an L-shaped pipe, and the vacuum meter is connected to the upper end of the vertical section of the vacuum degree measuring pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221124067.2U CN217542253U (en) | 2022-05-11 | 2022-05-11 | Gas relay vacuumizing seal checking complete device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221124067.2U CN217542253U (en) | 2022-05-11 | 2022-05-11 | Gas relay vacuumizing seal checking complete device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217542253U true CN217542253U (en) | 2022-10-04 |
Family
ID=83435786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221124067.2U Active CN217542253U (en) | 2022-05-11 | 2022-05-11 | Gas relay vacuumizing seal checking complete device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217542253U (en) |
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2022
- 2022-05-11 CN CN202221124067.2U patent/CN217542253U/en active Active
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