CN108039297A - A kind of voltage that adjusts in real time is to vacuum interrupter ageing device and its ageing method - Google Patents
A kind of voltage that adjusts in real time is to vacuum interrupter ageing device and its ageing method Download PDFInfo
- Publication number
- CN108039297A CN108039297A CN201711270111.4A CN201711270111A CN108039297A CN 108039297 A CN108039297 A CN 108039297A CN 201711270111 A CN201711270111 A CN 201711270111A CN 108039297 A CN108039297 A CN 108039297A
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- Prior art keywords
- vacuum interrupter
- fixedly connected
- voltage
- ageing
- pressure regulating
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
Abstract
The invention discloses a kind of voltage that adjusts in real time to vacuum interrupter ageing device, including base, cabinet is fixedly connected with the top of the base, demarcation strip is fixedly connected between the both sides of the cabinet inner wall, pressure regulating box is fixedly connected with the top of the demarcation strip, and be fixedly connected sequentially from top to bottom between the both sides of pressure regulation chamber interior wall resistance coil bar and guiding copper rod, the outer surface of resistance coil bar slidably connects the first conductive copper sheathing, the outer surface of conductive copper rod slidably connects the second conductive copper sheathing, and the present invention relates to electrical facility technical field.The real-time adjusting voltage is to vacuum interrupter ageing device, substantially increase regulation precision, enhance voltage regulation result, realize and high-precision mechanical pressure regulation is carried out to aging equipment, achieve the purpose that both quickly to have and pressure regulation easily is carried out to aging equipment, worked so as to greatly facilitate people the ageing of vacuum interrupter.
Description
Technical field
The present invention relates to electrical facility technical field, is specially that one kind adjusts voltage to vacuum interrupter ageing device in real time
And its ageing method.
Background technology
As high pressure vacuum the ripe of the practical and compound inslation of room product that go out is applied, the volume of high voltage vacuum interrupter
Less and less, vacuum interrupter usually carries out high voltage aging under normal pressure in an atmosphere and has been not applied for high voltage vacuum interrupter
Production, current common practice is that vacuum interrupter is immersed in iknsulating liquid or high voltage aging is carried out in gases at high pressure, always
Refining is to instigate new vacuum interrupter to pass through a kind of process that the surface for puncturing several times or making to leak cruelly is subjected to ion bombardment, ageing
It is divided into voltage ageing and electric current ageing, voltage ageing makes the gap under action of high voltage produce multiple low current spark discharge or length
Phase, the voltage of voltage ageing made a value range, it is necessary to by ageing voltage from initial value lifting to stabilization by pre-arcing electric current
Value, ageing can be completed after being kept for ten minutes.
It is to use common voltage regulating mode mostly, however, such at present when carrying out voltage ageing to vacuum interrupter
Voltage regulating mode regulation precision is low, and voltage regulation result is poor, it is impossible to and realize and high-precision mechanical pressure regulation is carried out to aging equipment, can not
Achieve the purpose that both quickly to have and pressure regulation easily is carried out to aging equipment, so that the ageing work band of the vacuum interrupter to people
Great inconvenience is carried out.
The content of the invention
In view of the deficiencies of the prior art, the present invention provides it is a kind of adjust in real time voltage to vacuum interrupter ageing device and
The problem of its ageing method, it is low to solve regulation precision, and voltage regulation result is poor.
In order to achieve the above object, the present invention is achieved by the following technical programs：A kind of voltage that adjusts in real time is to vacuum
Arc-chutes ageing device, including base, are fixedly connected with cabinet at the top of the base, solid between the both sides of the cabinet inner wall
Surely be connected with demarcation strip, be fixedly connected with pressure regulating box at the top of the demarcation strip, and between the both sides of pressure regulation chamber interior wall from up to
Under be fixedly connected sequentially resistance coil bar and be oriented to copper rod, the outer surface of the resistance coil bar slidably connects the first conductive copper
Cover, and the outer surface of conductive copper rod slidably connects the second conductive copper sheathing, the top of the described second conductive copper sheathing is connected by conduction
Extension bar is fixedly connected with the bottom of the first conductive copper sheathing, between the both sides of the pressure regulation chamber interior wall and positioned at the bottom of conductive copper rod
Threaded rod is rotatably connected to by bearing, one end of the threaded rod through pressure regulating box and extends to the side of pressure regulating box, described
The top of demarcation strip and motor is fixedly connected with by contiguous block positioned at the side of pressure regulating box, one end of the motor output shaft leads to
Cross shaft coupling one end of pressure regulating box side is extended to threaded rod and be fixedly connected, the threaded rod is located at the appearance inside pressure regulating box
Face is threaded with moving sleeve, and the bottom of moving sleeve is connected with the basal sliding of pressure regulation chamber interior wall, the moving sleeve
Top be fixedly connected by collets with the bottom of the second conducting sleeve.
Preferably, the both sides at the top of the demarcation strip and electric telescopic rod is fixedly connected with positioned at the side of pressure regulating box, and
The external part of electric telescopic rod is through demarcation strip and extends to the bottom of demarcation strip, and the electric telescopic rod extends to demarcation strip bottom
The one end in portion is fixedly connected with conductive clamp.
Preferably, the side of the conductive clamp is connected by conducting wire with one end of resistance coil bar, and conductive clamp
Opposite side is connected by conducting wire with one end of conductive copper rod.
Preferably, the time relay is installed with the top of the pressure regulating box, the bottom of cabinet inner wall passes through locating piece
Vacuum interrupter body is connected with, and the both sides of vacuum interrupter bodies top have been fixedly connected with conductive clamp and have been adapted
Energization rod.
Preferably, the front of the cabinet is hinged with hermatic door by hinge, and is installed with electricity on hermatic door respectively
Press table, alarm and controlling switch.
Preferably, inlet tube is communicated with the top of the cabinet side, and the bottom of cabinet opposite side is communicated with outlet tube,
The inside of the outlet tube and the inside of inlet tube have been fixedly connected with electromagnetic throttle valve.
A kind of voltage that adjusts in real time includes the following steps vacuum interrupter ageing method：
Whole ageing device, be powered by step 1 first, then opens hermatic door, and the vacuum interrupter body for treating ageing is put
On locating piece, hermatic door is closed；
Step 2, staff by manipulating controlling switch, stretch out electric telescopic rod, electric telescopic rod can make conduction again
Clamp moves downward, and energization rod is blocked and is powered, afterwards the operable controlling switch of people, first makes the electromagnetism section inside outlet tube
Flow valve to close, then open the electromagnetic throttle valve inside inlet tube, the inside of cabinet is entered dielectric；
Step 3, staff are by opening motor switch so that motor is started to work, and motor can pass through threaded rod respectively
The horizontal movement on resistance coil bar and conductive copper rod of the first conducting sleeve and the second conducting sleeve is driven with moving sleeve, to increase
The resistance value of big resistance coil bar, so that increase together with the voltage on the vacuum interrupter body of resistance coil bar series connection,
The voltage readings on voltmeter can become larger at this time, and when the numerical value on voltage reaches maximum ageing value, people can leave the motor off
Work, and the time relay is started timing, after the time that time relay timing to people is set, vacuum interrupter can be made
Circuit power-off stops ageing work where body, while alarm starts to alarm, and warning people's ageing terminates；
Step 4, last, staff is switched by opening electromagnetic throttle valve, beats the electromagnetic throttle valve inside outlet tube
Open, discharge the dielectric of cabinet inside, then open hermatic door and take out the good vacuum interrupter body of ageing, this completes
Whole work process of the real-time adjusting voltage to vacuum interrupter ageing device.
Beneficial effect
The present invention provides a kind of voltage that adjusts in real time to vacuum interrupter ageing device and its ageing method.Possess following
Beneficial effect：
(1), this adjusts voltage to vacuum interrupter ageing device and its ageing method in real time, by the two of cabinet inner wall
Demarcation strip is fixedly connected between side, is fixedly connected with pressure regulating box at the top of demarcation strip, and between the both sides of pressure regulation chamber interior wall from
Be fixedly connected sequentially resistance coil bar and guiding copper rod under, then passes through the first conductive copper sheathing, the second conductive copper sheathing, spiral shell respectively
Rasp bar, motor and moving sleeve are equipped with, it can be achieved that carry out mechanical automatic Regulation to aging equipment, are so greatly improved
Regulation precision, enhances voltage regulation result, realizes and carries out high-precision mechanical pressure regulation to aging equipment, has reached both quick
There is the purpose that pressure regulation is easily carried out to aging equipment, work so as to greatly facilitate people the ageing of vacuum interrupter.
(2), this adjusts voltage to vacuum interrupter ageing device and its ageing method in real time, by the top of demarcation strip
Both sides and it is fixedly connected with electric telescopic rod positioned at the side of pressure regulating box, and the external part of electric telescopic rod through demarcation strip and prolongs
The bottom of demarcation strip is extended, then conductive clamp is fixedly connected with by extending to one end of demarcation strip bottom in electric telescopic rod,
It can be achieved the vacuum interrupter for being put into cabinet inside being automatically clamped, and carry out energization connection, so as to greatly facilitate
The use of people.
(3), this adjusts voltage to vacuum interrupter ageing device in real time, by being fixedly mounted sometimes at the top of pressure regulating box
Between relay, then by being installed with voltmeter, alarm and controlling switch respectively on hermatic door, it can be achieved that in cabinet
The vacuum interrupter in portion carries out automatic stabilisation ageing certain time, timing is additionally carried out without people, so as to greatly facilitate people
To the ageing of vacuum interrupter.
Brief description of the drawings
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the sectional view of structure of the present invention；
Fig. 3 is the sectional view of pressure regulation box structure of the present invention；
Fig. 4 is the partial enlarged view at A in the new Fig. 2 of this practicality.
In figure：1 base, 2 cabinets, 3 demarcation strips, 4 pressure regulating boxs, 5 resistance coil bars, 6 be oriented to copper rods, 7 first conductive copper sheathings,
8 second conductive copper sheathings, 9 threaded rods, 10 motors, 11 moving sleeves, 12 electric telescopic rods, 13 conductive clamps, 14 time relays,
15 vacuum interrupter bodies, 16 energization rods, 17 hermatic doors, 18 voltmeters, 19 alarms, 20 controlling switches, 21 inlet tubes, 22 go out
Liquid pipe, 23 electromagnetic throttle valves.
Embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment, belongs to the scope of protection of the invention.
- 4 are please referred to Fig.1, the present invention provides a kind of technical solution：A kind of voltage that adjusts in real time fills vacuum interrupter ageing
Put, including base 1, the top of base 1 are fixedly connected with cabinet 2, the front of cabinet 2 is hinged with hermatic door 17 by hinge, close
Closure door 17 has good sealing effect, and is installed with voltmeter 18, alarm 19 and control on hermatic door 17 respectively and opens
20 are closed, voltmeter 18 can measure and show to the voltage being added on vacuum interrupter body 15, and cabinet connects at the top of 2 side
Inlet tube 21 is connected with, and the bottom of 2 opposite side of cabinet is communicated with outlet tube 22, the inside of outlet tube 22 and the inside of inlet tube 21
Electromagnetic throttle valve 23 has been fixedly connected with, demarcation strip 3 is fixedly connected between the both sides of 2 inner wall of cabinet, the top of demarcation strip 3 is consolidated
Surely it is connected with pressure regulating box 4, the both sides at the top of demarcation strip 3 and is fixedly connected with electric telescopic rod 12 positioned at the side of pressure regulating box 4, and
The external part of electric telescopic rod 12 is through demarcation strip 3 and extends to the bottom of demarcation strip 3, and electric telescopic rod 12 extends to demarcation strip
One end of 3 bottoms is fixedly connected with conductive clamp 13, and the top of conductive clamp 13 is consolidated by the bottom of buffer spring and demarcation strip 3
Fixed connection, the top of pressure regulating box 4 are installed with the time relay 14, and the time relay 14 can carry out self-timing control,
For automatic field using quite varied, the bottom of 2 inner wall of cabinet is connected with vacuum interrupter body 15 by locating piece, and
The both sides at the top of vacuum interrupter body 15 are fixedly connected with the energization rod 16 that conductive clamp 13 is adapted, and in pressure regulating box 4
Be fixedly connected sequentially resistance coil bar 5 and guiding copper rod 6 from top to bottom between the both sides of wall, and resistance coil bar 5 is with larger
Resistance value, being oriented to copper rod 6 has a good electric action, the side of conductive clamp 13 by conducting wire with resistance coil bar 5 one
End connection, and the opposite side of conductive clamp 13 is connected by conducting wire with one end of conductive copper rod 6, the outer surface of resistance coil bar 5
The first conductive copper sheathing 7 is slidably connected, and the outer surface of conductive copper rod 6 slidably connects the second conductive copper sheathing 8, the second conductive copper
Set 8 top by conducting connecting bar with first conduction copper sheathing 7 bottom be fixedly connected, between the both sides of 4 inner wall of pressure regulating box and
Threaded rod 9 is rotatably connected to by bearing positioned at the bottom of conductive copper rod 6, one end of threaded rod 9 through pressure regulating box 4 and extends to
The side of pressure regulating box 4, the top of demarcation strip 3 and is fixedly connected with motor 10, motor positioned at the side of pressure regulating box 4 by contiguous block
One end that one end of 10 output shafts extends to 4 side of pressure regulating box by shaft coupling with threaded rod 9 is fixedly connected, and threaded rod 9 is located at
Outer surface thread inside pressure regulating box 4 is connected with moving sleeve 11, and the bottom of moving sleeve 11 and the bottom of 4 inner wall of pressure regulating box
It is slidably connected, the top of moving sleeve 11 is fixedly connected by collets with the bottom of the second conducting sleeve 8, and collets have very
Good insulation effect, can be insulated well.
A kind of voltage that adjusts in real time includes the following steps vacuum interrupter ageing method：
Whole ageing device, be powered by step 1 first, then opens hermatic door 17, will treat the vacuum interrupter body of ageing
15 are placed on locating piece, close hermatic door 17；
Step 2, staff by manipulating controlling switch 20, stretch out electric telescopic rod 12, electric telescopic rod 12 can again
Conductive clamp 13 is moved downward, energization rod 16 is blocked and is powered, the operable controlling switch 20 of people, first makes outlet tube afterwards
Electromagnetic throttle valve 23 inside 22 is closed, then opens the electromagnetic throttle valve 22 inside inlet tube 21, enters the inside of cabinet 2
Dielectric；
Step 3, staff are by opening motor switch so that motor 10 is started to work, and motor 10 can pass through spiral shell respectively
Rasp bar 9 and moving sleeve 11 drive the first conducting sleeve 7 and the second conducting sleeve 8 water on resistance coil bar 5 and conductive copper rod 6
Flat movement, to increase the resistance value of resistance coil bar 5, so that on the vacuum interrupter body 15 connected with resistance coil bar 5
Voltage increase together, the voltage readings on voltmeter 18 can become larger at this time, when the numerical value on voltage reaches maximum ageing value,
People can make motor 10 be stopped, and the time relay 14 is started timing, when 14 timing of the time relay to people is set
Time after, the 15 place circuit power-off of vacuum interrupter body can be made to stop ageing work, while alarm 19 starts to alarm, it is alert
Let others have a look at ageing terminate；
Step 4, last, staff is switched by opening electromagnetic throttle valve, makes the electromagnetic throttle valve inside outlet tube 22
23 open, and discharge the dielectric inside cabinet 2, then open hermatic door 17 and take out the good vacuum interrupter body 15 of ageing, this
Sample just completes whole work process of the real-time adjusting voltage to vacuum interrupter ageing device.
It should be noted that herein, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only will including those
Element, but also including other elements that are not explicitly listed, or further include as this process, method, article or equipment
Intrinsic key element.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of changes, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of voltage that adjusts in real time is to vacuum interrupter ageing device, including base (1), it is characterised in that：The base (1)
Top be fixedly connected with cabinet (2), be fixedly connected with demarcation strip (3), the separation between the both sides of cabinet (2) inner wall
Pressure regulating box (4) is fixedly connected with the top of plate (3), and is fixedly connected sequentially from top to bottom between the both sides of pressure regulating box (4) inner wall
Resistance coil bar (5) and guiding copper rod (6), the outer surface of the resistance coil bar (5) slidably connect the first conductive copper sheathing
(7), and the outer surface of conductive copper rod (6) slidably connects the second conductive copper sheathing (8), the top of the described second conductive copper sheathing (8)
It is fixedly connected by conducting connecting bar with the bottom of the first conductive copper sheathing (7), between the both sides of pressure regulating box (4) inner wall and position
Threaded rod (9) is rotatably connected to by bearing in the bottom of conductive copper rod (6), pressure regulating box is run through in one end of the threaded rod (9)
(4) and extend to the side of pressure regulating box (4), the top of the demarcation strip (3) and pass through contiguous block positioned at the side of pressure regulating box (4)
Motor (10) is fixedly connected with, one end of motor (10) output shaft extends to pressure regulating box by shaft coupling and threaded rod (9)
(4) one end of side is fixedly connected, and the threaded rod (9) is located at the internal outer surface thread of pressure regulating box (4) and is connected with movable sleeving
Cylinder (11), and the bottom of moving sleeve (11) is connected with the basal sliding of pressure regulating box (4) inner wall, the top of the moving sleeve (11)
Portion is fixedly connected by collets with the bottom of the second conducting sleeve (8).
2. a kind of voltage that adjusts in real time according to claim 1 is to vacuum interrupter ageing device, it is characterised in that：It is described
Both sides at the top of demarcation strip (3) and it is fixedly connected with electric telescopic rod (12), and electric telescopic rod positioned at the side of pressure regulating box (4)
(12) external part is through demarcation strip (3) and extends to the bottom of demarcation strip (3), and the electric telescopic rod (12) extends to separation
One end of plate (3) bottom is fixedly connected with conductive clamp (13).
3. a kind of voltage that adjusts in real time according to claim 2 is to vacuum interrupter ageing device, it is characterised in that：It is described
The side of conductive clamp (13) is connected by conducting wire with one end of resistance coil bar (5), and the opposite side of conductive clamp (13) leads to
One end that conducting wire is crossed with conductive copper rod (6) is connected.
4. a kind of voltage that adjusts in real time according to claim 1 is to vacuum interrupter ageing device, it is characterised in that：It is described
The time relay (14) is installed with the top of pressure regulating box (4), the bottom of cabinet (2) inner wall is connected with by locating piece
Vacuum interrupter body (15), and the both sides at the top of vacuum interrupter body (15) have been fixedly connected with conductive clamp (13) and have mutually fitted
The energization rod (16) matched somebody with somebody.
5. a kind of voltage that adjusts in real time according to claim 1 is to vacuum interrupter ageing device, it is characterised in that：It is described
The front of cabinet (2) by hinge is hinged with hermatic door (17), and be installed with respectively on hermatic door (17) voltmeter (18),
Alarm (19) and controlling switch (20).
6. a kind of voltage that adjusts in real time according to claim 1 is to vacuum interrupter ageing device, it is characterised in that：It is described
Inlet tube (21) is communicated with the top of cabinet (2) side, and the bottom of cabinet (2) opposite side is communicated with outlet tube (22), it is described
The inside of outlet tube (22) and the inside of inlet tube (21) have been fixedly connected with electromagnetic throttle valve (23).
7. a kind of voltage that adjusts in real time according to claim 1 is to vacuum interrupter ageing method, it is characterised in that including
Following steps：
Whole ageing device, be powered by step 1 first, then opens hermatic door, and it is fixed that the vacuum interrupter body for treating ageing is placed on
On the block of position, hermatic door is closed；
Step 2, staff by manipulating controlling switch, stretch out electric telescopic rod, electric telescopic rod can make conductive clamp again
Move downward, energization rod is blocked and is powered, afterwards the operable controlling switch of people, first makes the electromagnetic throttle valve inside outlet tube
Close, then open the electromagnetic throttle valve inside inlet tube, the inside of cabinet is entered dielectric；
Step 3, staff are by opening motor switch so that motor is started to work, and motor can pass through threaded rod and shifting respectively
Moving sleeve drives the horizontal movement on resistance coil bar and conductive copper rod of the first conducting sleeve and the second conducting sleeve, to increase electricity
The resistance value of coil bar is hindered, so that increasing together with the voltage on the vacuum interrupter body of resistance coil bar series connection, at this time
Voltage readings on voltmeter can become larger, and when the numerical value on voltage reaches maximum ageing value, people can leave the motor off work,
And the time relay is started timing, after the time that time relay timing to people is set, vacuum interrupter body can be made
Place circuit power-off stops ageing work, while alarm starts to alarm, and warning people's ageing terminates；
Step 4, last, staff is switched by opening electromagnetic throttle valve, is opened the electromagnetic throttle valve inside outlet tube, is made
The dielectric discharge of cabinet inside, then open hermatic door and take out the good vacuum interrupter body of ageing, this completes the reality
When adjust voltage to the whole work process of vacuum interrupter ageing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711270111.4A CN108039297B (en) | 2017-12-05 | 2017-12-05 | One kind adjusting voltage to vacuum interrupter ageing device and its ageing method in real time |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711270111.4A CN108039297B (en) | 2017-12-05 | 2017-12-05 | One kind adjusting voltage to vacuum interrupter ageing device and its ageing method in real time |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108039297A true CN108039297A (en) | 2018-05-15 |
| CN108039297B CN108039297B (en) | 2019-04-05 |
Family
ID=62095691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711270111.4A Active CN108039297B (en) | 2017-12-05 | 2017-12-05 | One kind adjusting voltage to vacuum interrupter ageing device and its ageing method in real time |
Country Status (1)
| Country | Link |
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| CN (1) | CN108039297B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824202A (en) * | 2019-11-08 | 2020-02-21 | 许继集团有限公司 | Withstand voltage detection device of vacuum circuit breaker |
| CN114483531A (en) * | 2021-12-31 | 2022-05-13 | 山东微波电真空技术有限公司 | Horizontal exhaust method and horizontal exhaust platform |
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| DE29905710U1 (en) * | 1999-03-22 | 1999-08-12 | Petri Ag | Electrical switches for motor vehicles |
| CN102426954A (en) * | 2011-11-17 | 2012-04-25 | 西安交通大学 | Nanosecond continuous pulse ageing device and method of vacuum interrupter |
| CN105428121A (en) * | 2015-12-26 | 2016-03-23 | 中国振华电子集团宇光电工有限公司（国营第七七一厂） | Vacuum extinction chamber high voltage aging system |
| CN105890889A (en) * | 2016-04-16 | 2016-08-24 | 合肥博雷电气有限公司 | Vacuum tube testing burn-in bench |
| CN205845765U (en) * | 2016-06-27 | 2016-12-28 | 北京奥普科星技术有限公司 | A kind of vacuum interrupter automatic current aging equipment |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29905710U1 (en) * | 1999-03-22 | 1999-08-12 | Petri Ag | Electrical switches for motor vehicles |
| CN102426954A (en) * | 2011-11-17 | 2012-04-25 | 西安交通大学 | Nanosecond continuous pulse ageing device and method of vacuum interrupter |
| CN105428121A (en) * | 2015-12-26 | 2016-03-23 | 中国振华电子集团宇光电工有限公司（国营第七七一厂） | Vacuum extinction chamber high voltage aging system |
| CN105890889A (en) * | 2016-04-16 | 2016-08-24 | 合肥博雷电气有限公司 | Vacuum tube testing burn-in bench |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110824202A (en) * | 2019-11-08 | 2020-02-21 | 许继集团有限公司 | Withstand voltage detection device of vacuum circuit breaker |
| CN114483531A (en) * | 2021-12-31 | 2022-05-13 | 山东微波电真空技术有限公司 | Horizontal exhaust method and horizontal exhaust platform |
| CN114483531B (en) * | 2021-12-31 | 2024-03-26 | 山东微波电真空技术有限公司 | Horizontal exhaust method and horizontal exhaust table |
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| Publication number | Publication date |
|---|---|
| CN108039297B (en) | 2019-04-05 |
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