CN203533194U - Air charging and discharging device for inner part of sealed electrical product - Google Patents
Air charging and discharging device for inner part of sealed electrical product Download PDFInfo
- Publication number
- CN203533194U CN203533194U CN201320524207.XU CN201320524207U CN203533194U CN 203533194 U CN203533194 U CN 203533194U CN 201320524207 U CN201320524207 U CN 201320524207U CN 203533194 U CN203533194 U CN 203533194U
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- Prior art keywords
- control valve
- reducing
- switch
- cross joint
- minipump
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Abstract
The utility model provides an air charging and discharging device for the inner part of a sealed electrical product. The device comprises a filter, a micro vacuum pump, a vacuumizing control valve, a vacuum degree meter, a reducing four-way connector, a charging control valve and a charged air pressure gauge, wherein an air suction end of the micro vacuum pump is connected with one end of the vacuumizing control valve via the filter; the other end of the vacuumizing control valve is connected with the left end opening of the reducing four-way connector; the upper end opening of the reducing four-way connector is connected with the vacuum degree meter, the lower end opening of the reducing four-way connector is connected with a charging and discharging connection opening, and the right end opening of the reducing four-way connector is connected with one end of the charging control valve; the other end of the charging control valve is connected with an air tank by a pressure reducing switching valve. The device is especially suitable for being applied to a charging and discharging production process of the sealed electrical product, and has the characteristics of being compact in structure, convenient to use, easy to operate and control, high in cost performance and the like.
Description
Technical field
The utility model belongs to sealed product inside and carries out specific gas filling technique field, is specifically related to a kind of sealing electrical equipment interiors of products and fills venting gas appliance.
Background technique
Sealing electrical products are rely on the make contact of interiors of products and disconnect completing circuit conversion and control; for reach protective device contact when the switch load not because of the moment high temperature melting that produces with burn; strengthen the ability of electrical products solution of contiguity broken height voltage, large electric current; conventionally sealing electrical equipment internal oxidation gas to be discharged, then sealing electrical equipment interiors of products be carried out to specific protective gas (H
2; N
2; SF
6deng) filling; Yet the existing venting gas appliance that fills is comprised of large sealing glove box and vacuum pump etc., have the defects such as volume is large, cost is high, complex operation, and practical application manufacturing efficiency is not high, causes its application area to be subject to great restriction.
Summary of the invention
The technical problem that the utility model solves: design a kind of sealing electrical equipment interiors of products and fill venting gas appliance, compact structure, easy to use, operation are controlled simple.
Technical solution of the present utility model: a kind of sealing electrical equipment interiors of products fills venting gas appliance, comprises filter, minipump, vacuumizes control valve, vacuum meter, reducing cross joint, ventilating control valve and blanketing gas pressure gauge; The suction end of described minipump is connected with the one end that vacuumizes control valve by filter, the other end that vacuumizes control valve is connected with the left port of reducing cross joint, the upper end-hole of reducing cross joint connects vacuum meter, exhaust port is filled in lower end mouth connection, the right output port of reducing cross joint is connected with one end of ventilating control valve, and the other end of ventilating control valve is connected with gas tank by relief cock valve.
Described filter, minipump, vacuumize control valve, vacuum meter, reducing cross joint, ventilating control valve and blanketing gas pressure gauge and be all arranged in housing, and vacuumize the operation knob of control valve, the display screen of vacuum meter, the operation knob of ventilating control valve, the manometric display screen of blanketing gas and fill on the panel that exhaust port is positioned at housing; On the panel of housing, be also provided with vacuum pump switch, power switch, be provided with AC/DC switch power in housing, and vacuum pump switch one end is connected with minipump power end, the other end is connected with power switch by AC/DC switch power.
The advantage that the utility model compared with prior art has and effect:
1, the utility model adopts minipump can make device volume significantly reduce, thereby has solved the problem taking up room greatly because of vacuum pump volume.And it is easy that minipump adopts DC electrical source work both can make vacuum pump working power control, and solved again vacuum pump operating noise problem.
2, the utility model adopts and electrical products outside seal Connecting format, not only rationally solved the large and limited problem of operation of seal closure and glove box volume, and can directly adopt sealing pincers crush seal product to fill exhaust metal drawing-off mouth, rationally solve sealed product and under normal barometric pressure, carried out the problem of seal operation.
3, the utility model is particularly suitable for sealing electrical products and fills exhaust production process application, has compact structure, simple and price performance high are controlled in easy to use, operation.
Accompanying drawing explanation
Fig. 1 is the utility model principle schematic,
Fig. 2 is the utility model structural representation.
Embodiment:
1,2 a kind of embodiment of the present utility model is described by reference to the accompanying drawings.
Sealing electrical equipment interiors of products fills a venting gas appliance, comprises filter 1, minipump 2, vacuumizes control valve 3, vacuum meter 4, reducing cross joint 5, ventilating control valve 6 and blanketing gas pressure gauge 7; The suction end of described minipump 2 is connected with the one end that vacuumizes control valve 3 by filter 1, the other end that vacuumizes control valve 3 is connected with the left port of reducing cross joint 5, the upper end-hole of reducing cross joint 5 connects vacuum meter 4, exhaust port 13 is filled in lower end mouth connection, the right output port of reducing cross joint 5 is connected with one end of ventilating control valve 6, and the other end of ventilating control valve 6 is connected with gas tank 9 by relief cock valve 8.
Described filter 1, minipump 2, vacuumize control valve 3, vacuum meter 4, reducing cross joint 5, ventilating control valve 6 and blanketing gas pressure gauge 7 and be all arranged in housing 14, and vacuumize the operation knob of control valve 3, the operation knob of the display screen of vacuum meter 4, ventilating control valve 6, the display screen of blanketing gas pressure gauge 7 and fill on the panel that exhaust port 13 is positioned at housing 14; On the panel of housing 14, be also provided with vacuum pump switch 10, power switch 12, be provided with AC/DC switch power 11 in housing 14, and vacuum pump switch 10 one end are connected with minipump 2 power ends, the other end is connected with power switch 12 by AC/DC switch power 11.
Exhaust (vacuumizing) process: close ventilating control switch valve 6, will fill exhaust port 13 be connected to sealing electrical products fill exhaust fairlead upper half part.Open and vacuumize control valve 3, check that vacuum pump and DC power control partial status are normal, open vacuum pump working power switch 10, vacuum pump 2 energising work start exhaust (vacuumizing) to sealing electrical products, observe vacuum meter 4 indication numerical value change, when vacuum meter 4 indication numerical value reach after the requirement of sealing electrical products degree of vacuum, close vacuum pump working power switch 10, close and vacuumize control valve 3, sealing electrical equipment interiors of products exhaust (vacuumizing) process completes.
Gas replenishment process: close and vacuumize control valve 3, open the switch valve of gas tank 9, by relief cock valve 8, regulate gas tank output gas pressure to reach sealing electrical equipment interiors of products and be filled with gas pressure requirement, open ventilating control switch valve 6, fill specific shielding gas to sealing electrical equipment interiors of products, observe blanketing gas pressure gauge 7 pressure values, when pressure gauge demonstration is identical with gas tank delivery pressure, after filling shielding gas process completes, close ventilating control switch valve 6, with special-purpose sealing pincers, cut off sealing electrical products and fill exhaust fairlead lower end, sealing electrical products inner inflatable process completes.Cleaning sealing electrical products are filled exhaust fairlead at the redundance that fills exhaust port 13, to fill exhaust port 13 be connected to other one sealing electrical products fill exhaust fairlead upper half part, according to the step of above exhaust (vacuumizing) process and gas replenishment process can to sealing electrical products fill exhaust air technique process operation.
Above-described embodiment, is preferred embodiment of the present utility model, is not used for limiting the utility model practical range, thus all equivalent variations of being done with content described in the utility model claim, within all should being included in the utility model claim scope.
Claims (2)
1. a sealing electrical equipment interiors of products fills venting gas appliance, comprise filter (1), minipump (2), vacuumize control valve (3), vacuum meter (4), reducing cross joint (5), ventilating control valve (6) and blanketing gas pressure gauge (7), it is characterized in that: the suction end of described minipump (2) is connected with the one end that vacuumizes control valve (3) by filter (1), the other end that vacuumizes control valve (3) is connected with the left port of reducing cross joint (5), the upper end-hole of reducing cross joint (5) connects vacuum meter (4), lower end mouth connects fills exhaust port (13), the right output port of reducing cross joint (5) is connected with one end of ventilating control valve (6), the other end of ventilating control valve (6) is connected with gas tank (9) by relief cock valve (8).
2. sealing electrical equipment interiors of products according to claim 1 fills venting gas appliance, it is characterized in that: described filter (1), minipump (2), vacuumize control valve (3), vacuum meter (4), reducing cross joint (5), ventilating control valve (6) and blanketing gas pressure gauge (7) are all arranged in housing (14), and vacuumize the operation knob of control valve (3), the display screen of vacuum meter (4), the operation knob of ventilating control valve (6), the display screen of blanketing gas pressure gauge (7) and fill exhaust port (13) and be positioned on the panel of housing (14), on the panel of housing (14), be also provided with vacuum pump switch (10), power switch (12), in housing (14), be provided with AC/DC switch power (11), and vacuum pump switch (10) one end is connected with minipump (2) power end, the other end is connected with power switch (12) by AC/DC switch power (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524207.XU CN203533194U (en) | 2013-08-27 | 2013-08-27 | Air charging and discharging device for inner part of sealed electrical product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320524207.XU CN203533194U (en) | 2013-08-27 | 2013-08-27 | Air charging and discharging device for inner part of sealed electrical product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203533194U true CN203533194U (en) | 2014-04-09 |
Family
ID=50419399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320524207.XU Expired - Fee Related CN203533194U (en) | 2013-08-27 | 2013-08-27 | Air charging and discharging device for inner part of sealed electrical product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203533194U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087719A (en) * | 2017-12-13 | 2018-05-29 | 陕西宝成航空仪表有限责任公司 | The air charging system of small-sized sealing product and the inflation method of the device |
| CN108865666A (en) * | 2018-07-26 | 2018-11-23 | 江苏丰泽生物工程设备制造有限公司 | Fermentor agitating shaft center exhaust apparatus |
-
2013
- 2013-08-27 CN CN201320524207.XU patent/CN203533194U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087719A (en) * | 2017-12-13 | 2018-05-29 | 陕西宝成航空仪表有限责任公司 | The air charging system of small-sized sealing product and the inflation method of the device |
| CN108865666A (en) * | 2018-07-26 | 2018-11-23 | 江苏丰泽生物工程设备制造有限公司 | Fermentor agitating shaft center exhaust apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140409 Termination date: 20150827 |
|
| EXPY | Termination of patent right or utility model |