CN106855449A - Based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system - Google Patents
Based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system Download PDFInfo
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- CN106855449A CN106855449A CN201611047758.6A CN201611047758A CN106855449A CN 106855449 A CN106855449 A CN 106855449A CN 201611047758 A CN201611047758 A CN 201611047758A CN 106855449 A CN106855449 A CN 106855449A
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- 238000005259 measurement Methods 0.000 title claims abstract description 21
- 238000001514 detection method Methods 0.000 claims abstract description 38
- 230000005684 electric field Effects 0.000 claims abstract description 37
- 238000000034 method Methods 0.000 claims abstract description 13
- 238000004891 communication Methods 0.000 claims abstract description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 6
- 230000003068 static effect Effects 0.000 claims description 6
- 238000007689 inspection Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
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- 210000001367 artery Anatomy 0.000 claims 1
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- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000011161 development Methods 0.000 abstract description 2
- 230000006870 function Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/30—Vacuum gauges by making use of ionisation effects
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Abstract
Based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system, it is characterised in that:The system includes microprocessing systems(1), electric field high pressure generation module(2), field coil (3), the first IGBT module(4), the second IGBT module(5), the first IGBT drive module(6), the second IGBT drive module(7), arc-chutes(8), magnetic field electric capacity(9), voltage detection module (10), electric field high drive module (11), current detection module (12), control panel (13), display screen (14), display driver element(15), data memory module(16), communication module(17), printer(18)And capacitance charging module(19)Its accurate detection that vacuum is realized using electromagnetic discharge theory, there is accuracy of detection high, good reliability, stability compared with spark meter method and leakage current method, the longer-term storage of vacuum degrees of data is realized using data memory module simultaneously, is that follow-up vacuum state estimation technology development lays the foundation.
Description
Technical field
It is more particularly to a kind of based on magnetic charging theory high pressure vacuum open circuit the invention belongs to vacuum inspection technology field
Device arc-chutes vacuum degree measurement system.
Background technology
Vacuum refers to the thin space of gas, and absolute pressure all can be described as vacuum shape less than the state of normal atmosphere pressure
State.According to the difference of vacuum pressure range, vacuum is divided into black vacuum, low vacuum, high vacuum, ultrahigh vacuum, high by China
Five regions of vacuum.The pressure of vacuum circuit breaker is 1.01 × 10-2Pa~1.33 × 10-5Between Pa, belong to the area of condition of high vacuum degree
Domain.With the vacuum reduction of arc-chutes, the connecting-disconnecting function of high-pressure vacuum breaker constantly declines, high if exceeding certain threshold value
Press the connecting-disconnecting function of vacuum circuit breaker to lose, will cause that specified or fault current can not be cut-off, the peace of serious threat power system
Entirely.High-pressure vacuum breaker arc-chutes vacuum degree measurement is divided into two kinds of offline inspection and on-line checking, and on-line checking will to environment
Ask high, the reliability and stability for being limited testing result by technical merit are low.At present, offline inspection mainly has spark meter method and lets out
Leakage Method, can only qualitatively judge, and accuracy of detection is low, poor reliability.
The content of the invention
Goal of the invention:
The present invention provides one kind and is based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system, the purpose is to
Solve the problems of conventional.
Technical scheme:
One kind includes microprocessor system based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system, the system
System, electric field high pressure generation module, field coil, the first IGBT module, the second IGBT module, the first IGBT drive module, second
IGBT drive module, arc-chutes, magnetic field capacitance voltage detection module, electric field high drive module, current detection module, chain of command
Plate, display screen, display driver element, data memory module, communication module, printer and capacitance charging module, wherein electric field are high
The control end of generation module is pressed to be connected with the signal output part of electric field high drive module, the output of electric field high pressure generation module
End is connected by electric field high drive module with the dynamic/static contact of arc-chutes, the control end and Wei Chu of electric field high drive module
The signal output part of reason system is connected, the signal input part of electric field high drive module and the signal output part of microprocessing systems
It is connected, the two ends of field coil are connected by the first IGBT module with the positive and negative terminal of magnetic field electric capacity, voltage detection module
Measurement end is connected with the positive and negative terminal of magnetic field electric capacity, the signal output part of voltage detection module and the signal input of microprocessing systems
End is connected, and the positive and negative terminal of the second IGBT drive module is connected by IGBT module with the positive and negative terminal of capacitance charging module,
The signal output part of IGBT drive module is connected with the first IGBT module control signal input, the signal of IGBT drive module
Output end is connected with the control signal input of the second IGBT module, the first IGBT drive module, the second IGBT drive module
Signal input part be connected with the signal output part of microprocessing systems respectively, measurement end and the arc-chutes phase of current detection module
Connection, the signal output part of current detection module is connected with the signal input part of microprocessing systems, and the signal of control panel is defeated
Go out end to be connected with the signal input part of microprocessing systems, the signal input part of display screen is by display driver element and microprocessor
The signal output part of system is connected, and the signal input part of data memory module is connected with the signal output part of microprocessing systems
Connect, the signal input part of printer is connected by communication unit with the signal output part of microprocessing systems, capacitance charging module
Connection magnetic field electric capacity.
By fixed mount setting on the outside of arc-chutes, fixed mount includes supporting case, upper V-arrangement support card, lower V-arrangement to field coil
Support card and adjusting bolt;Limited location slideway is set at the two ends of supporting case, spacing slideway is to be set along supporting case length direction
Bar shaped slideway;
Upper V-arrangement support card includes upper snap arm and upper idle rod, and upper snap arm and upper idle rod connect to form v-shaped structure by torsion spring;
Lower V-arrangement support card includes lower snap arm and lower idle rod, and lower snap arm and lower idle rod connect to form V-arrangement knot by another torsion spring
Structure;Two torsion springs are enclosed within traveling roller, and traveling roller is provided centrally with the axis of rolling, and the two ends of the axis of rolling put in spacing
Moved in slideway and when in use along spacing slideway;
Upper idle rod is flexibly connected with lower idle rod by movable axis, and movable axis connects screwed pull lever, pull lever edge
The direction vertical with spacing slideway is coordinated through supporting case and by screw thread with supporting case screw thread;
The front portion of upper snap arm is provided with the vertical fixed compressing tablet for pushing down sensor in vertical direction;
The spacing of multiple vertical rod insertions for vertical fixed compressing tablet is once provided with along upper snap arm length direction in upper snap arm
Groove.
The method passes through electric field high pressure when high-pressure vacuum breaker arc-chutes are in and cut-off state between dynamic/static contact
Generation module applies impulse electric field high pressure, while field coil is placed in into arc-chutes outside, high current is passed to field coil, from
And the pulsed magnetic field with Synchronous High voltage will be produced in arc-chutes, in the presence of impulse magnetic field and highfield, in arc-chutes
Charged ion it is for the helical movement, and collided ionization, produced gas current and residual gas with residual gas molecule
Density is the proportional relation of vacuum.
In the method in control system after electricity, detection instruction, microprocessing systems are sent to microprocessing systems from control panel
Send control instruction to be charged to magnetic field electric capacity, the voltage of magnetic field electric capacity is detected by voltage detection module and microprocessor system is fed back to
System, microprocessing systems are contrasted the magnitude of voltage preset value of detection, and halt instruction is sent when predetermined value is reached, and are stopped to magnetic
Field electric capacity is charged, and microprocessing systems send control instruction control electric field high pressure generation module and field coil exports height respectively
Pressure pulse and highfield, are that arc-chutes are under highfield, high-intensity magnetic field collective effect, and arc-chutes start electric discharge, the ion of generation
Electric current is sent to microprocessing systems by current detection module, and microprocessing systems are by being calculated high-pressure vacuum breaker arc extinguishing
Room vacuum degree, shows on a display screen, while data are stored and printed by data memory module and printer.
Advantageous effect:The present invention provides a kind of based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum inspection
Examining system, its accurate detection that vacuum is realized using electromagnetic discharge theory is had compared with spark meter method and leakage current method
Accuracy of detection is high, good reliability, stability the advantages of, while realizing that the long-term of vacuum degrees of data is deposited using data memory module
Storage, is that follow-up vacuum state estimation technology development lays the foundation.
Brief description of the drawings:
Fig. 1 is based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system connection figure;
Fig. 2 is the structural representation of fixed mount;
Fig. 3 is the A portions enlarged drawing of Fig. 2.
1st, microprocessing systems;2nd, electric field high pressure generation module;3rd, field coil;4th, IGBT module;5th, IGBT module;6、
IGBT drive module;7th, IGBT drive module;8th, arc-chutes;9th, magnetic field electric capacity;10th, voltage detection module;11st, electric field high pressure
Drive module;12nd, current detection module;13rd, control panel;14th, display screen;15th, display driver element;16th, data storage mould
Block;17th, communication module;18th, printer;19th, capacitance charging module.
Specific embodiment:
The present invention provides a kind of based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system, the system bag
Include microprocessing systems 1, electric field high pressure generation module 2, field coil 3, the first IGBT module 4, the second IGBT module 5, first
IGBT drive module 6, the second IGBT drive module 7, arc-chutes 8, the voltage detection module 10 of magnetic field electric capacity 9, electric field high drive
Module 11, current detection module 12, control panel 13, display screen 14, display driver element 15, data memory module 16, communication
Module 17, printer 18 and capacitance charging module 19, the wherein control end of electric field high pressure generation module 2 and electric field high drive mould
The signal output part of block 11 is connected, and the output end of electric field high pressure generation module 2 is by electric field high drive module 11 and arc extinguishing
The dynamic/static contact of room 8 is connected, and the control end of electric field high drive module 11 is connected with the signal output part of microprocessing systems 1
Connect, the signal input part of electric field high drive module 11 is connected with the signal output part of microprocessing systems 1, field coil 3
Two ends are connected by the first IGBT module 4 with the positive and negative terminal of magnetic field electric capacity 9, measurement end and the magnetic field electricity of voltage detection module 10
The positive and negative terminal for holding 9 is connected, and the signal output part of voltage detection module 10 is connected with the signal input part of microprocessing systems 1,
The positive and negative terminal of the second IGBT drive module 7 is connected by IGBT module 5 with the positive and negative terminal of capacitance charging module 19, and IGBT drives
The signal output part of module 6 is connected with the control signal input of the first IGBT module 4, the signal output of IGBT drive module 7
End is connected with the control signal input of the second IGBT module 5, the first IGBT drive module 6, second IGBT drive module 7
Signal output part of the signal input part respectively with microprocessing systems 1 is connected, measurement end and the arc-chutes 8 of current detection module 12
It is connected, the signal output part of current detection module 12 is connected with the signal input part of microprocessing systems 1, control panel 13
Signal output part is connected with the signal input part of microprocessing systems 1, and the signal input part of display screen 14 drives list by display
Unit 15 is connected with the signal output part of microprocessing systems 1, signal input part and the microprocessing systems 1 of data memory module 16
Signal output part is connected, and the signal input part of printer 18 is by communication unit 17 and the signal output part of microprocessing systems 1
It is connected, the connection magnetic field electric capacity 9 of capacitance charging module 19.
By fixed mount setting in the outside of arc-chutes 8, fixed mount includes supporting case 111 to field coil 3), the support of upper V-arrangement
Card, lower V-arrangement support card and adjusting bolt 888;Limited location slideway 666 is set at the two ends of supporting case 111, spacing slideway 666 is
Along the bar shaped slideway that the length direction of supporting case 111 is set;
Upper V-arrangement support card includes upper snap arm 333 and upper idle rod 333-1, and upper snap arm 333 and upper idle rod 333-1 pass through torsion spring
Connection forms v-shaped structure;Lower V-arrangement support card includes lower snap arm 222 and lower idle rod 222-1, lower snap arm 222 and lower idle rod
222-1 is connected by another torsion spring 444 and is formed v-shaped structure;Two torsion springs are enclosed within traveling roller, in traveling roller
The heart is provided with the axis of rolling 555, and the two ends of the axis of rolling 555 put in spacing slideway 666 and moved when in use along spacing slideway 666
It is dynamic;
Upper idle rod 333-1 is flexibly connected with lower idle rod 222-1 by movable axis 777, and the connection of movable axis 777 is threaded
999 pull lever 888, pull lever 888 along the direction vertical with spacing slideway 666 through supporting case 111 and by screw thread 999 and
The screw thread of supporting case 111 coordinates;
The front portion of upper snap arm 333 is provided with the vertical fixed compressing tablet 000 for pushing down sensor in vertical direction;
Multiple vertical rod insertions for vertical fixed compressing tablet 000 are once provided with along upper snap arm length direction in upper snap arm 333
Stopper slot 001.
When the fixed mount is used, pull on bar 888 and inwardly screw(The namely upper right in figure)So that upper snap arm
It is flared out between 333 and lower snap arm 222, then upper snap arm 333 is respectively placed in the upper surface of tested device with lower snap arm 222
And lower surface, sensor is placed in the vertical fixed bottom of compressing tablet 000, then reversely screw lever 888 so that upper snap arm 333 with
Inwardly drawn between lower snap arm 222 and gradually clamp measured object so that sensor is in close contact with measured object and completes operation, unloads
Or repeat to screw the action of pull lever 888 during more emat sensor.
And multiple stopper slots 001 are arranged, the position of vertical fixed compressing tablet 000 can be adjusted, make it have preferably adaptation
Property, position adjustment can be carried out according to different situations.
Based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement System Working Principle:In high pressure vacuum
Arc-extinguishing chamber of circuit breaker 8 is in when cut-offfing state, high by the applying impulse electric field of electric field high pressure generation module 2 between dynamic/static contact
Pressure, while field coil 3 is placed in into the outside of arc-chutes 8, high current is passed to field coil 8, so as to be produced in arc-chutes 8
With the pulsed magnetic field of Synchronous High voltage.In the presence of impulse magnetic field and highfield, the charged ion in arc-chutes 8 makees spiral fortune
It is dynamic, and collided ionization with residual gas molecule, produced gas current is proportional vacuum to residual gas density
Relation.
Based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system work process:In control system
After electricity, detection instruction is sent to microprocessing systems 1 from control panel 13, microprocessing systems 1 send control instruction to magnetic field electric capacity 9
Charge, the voltage of magnetic field electric capacity 9 is detected by voltage detection module 10 and microprocessing systems 1 are fed back to, microprocessing systems 1 will be examined
The magnitude of voltage preset value of survey is contrasted, and halt instruction is sent when predetermined value is reached, and stopping is charged to magnetic field electric capacity 9.
Microprocessing systems 1 send control instruction control electric field high pressure generation module 2 and field coil 3 exports high-voltage pulse and forceful electric power respectively
, it is that arc-chutes 8 are under highfield, high-intensity magnetic field collective effect, arc-chutes 8 start electric discharge, and the gas current of generation is by electricity
Stream detection module 12 is sent to microprocessing systems 1, and microprocessing systems 1 are true by being calculated high-pressure vacuum breaker arc-chutes 8
Reciprocal of duty cycle value, shows on display screen 14, while data are stored and printed by data memory module 16 and printer 18.
Claims (5)
1. a kind of based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system, it is characterised in that:This is
System includes microprocessing systems(1), electric field high pressure generation module(2), field coil (3), the first IGBT module(4), the 2nd IGBT
Module(5), the first IGBT drive module(6), the second IGBT drive module(7), arc-chutes(8), magnetic field electric capacity(9), voltage inspection
Survey module (10), electric field high drive module (11), current detection module (12), control panel (13), display screen (14), display
Driver element(15), data memory module(16), communication module(17), printer(18)And capacitance charging module(19), wherein
Electric field high pressure generation module(2)Control end and electric field high drive module(11)Signal output part be connected, electric field high pressure
Generation module(2)Output end by electric field high drive module(11)With arc-chutes(8)Dynamic/static contact be connected, electric field is high
Pressure drive module(11)Control end and microprocessing systems(1)Signal output part be connected, electric field high drive module(11)
Signal input part and microprocessing systems(1)Signal output part be connected, field coil(3)Two ends by an IGBT moulds
Block(4)With magnetic field electric capacity(9)Positive and negative terminal be connected, the measurement end of voltage detection module (10) is positive and negative with magnetic field electric capacity (9)
End is connected, and the signal output part of voltage detection module (10) is connected with the signal input part of microprocessing systems (1), and second
IGBT drive module(7)Positive and negative terminal be connected with the positive and negative terminal of capacitance charging module (19) by IGBT module (5), IGBT drive
The signal output part and the first IGBT module of dynamic model block (6)(4)Control signal input is connected, IGBT drive module (7)
Signal output part and the second IGBT module(5)Control signal input be connected, the first IGBT drive module(6), second
IGBT drive module(7)Signal input part respectively with microprocessing systems(1)Signal output part be connected, current detection module
(12)Measurement end and arc-chutes(8)It is connected, current detection module(12)Signal output part and microprocessing systems(1)Letter
Number input is connected, control panel(13)Signal output part and microprocessing systems(1)Signal input part be connected, show
Screen(14)Signal input part by display driver element(15)With microprocessing systems(1)Signal output part be connected, data
The signal input part of memory module (16) is connected with the signal output part of microprocessing systems (1), and the signal of printer (18) is defeated
Enter end to be connected with the signal output part of microprocessing systems (1) by communication unit (17), capacitance charging module(19)Connection magnetic
Field electric capacity(9).
2. according to claim 1 based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system,
It is characterized in that:Field coil (3) is by fixed mount setting in arc-chutes(8)Outside, fixed mount includes supporting case(111), upper V
Shape support card, lower V-arrangement support card and adjusting bolt(888);In supporting case(111)Two ends set limited location slideway(666), limit
Position slideway(666)It is along supporting case(111)The bar shaped slideway that length direction is set;
Upper V-arrangement support card includes upper snap arm(333)With upper idle rod(333-1), upper snap arm(333)With upper idle rod(333-1)
Connect to form v-shaped structure by torsion spring;Lower V-arrangement support card includes lower snap arm(222)With lower idle rod(222-1), lower snap arm
(222)With lower idle rod(222-1)By another torsion spring(444)Connection forms v-shaped structure;Two torsion springs are enclosed within mobile rolling
On cylinder, traveling roller is provided centrally with the axis of rolling(555), the axis of rolling(555)Two ends put in spacing slideway(666)It is interior and
Along spacing slideway when using(666)It is mobile;
Upper idle rod(333-1)With lower idle rod(222-1)By movable axis(777)It is flexibly connected, movable axis(777)Connect band
There is screw thread(999)Pull lever(888), pull lever(888)Edge and spacing slideway(666)Vertical direction passes through supporting case
(111)And by screw thread(999)With supporting case(111)Screw thread coordinates;
In upper snap arm(333)Front portion be provided with vertical fixed compressing tablet for pushing down sensor in vertical direction(000).
3. according to claim 2 based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system,
It is characterized in that:In upper snap arm(333)On be disposed with along upper snap arm length direction it is multiple for vertical fixed compressing tablet(000)
Vertical rod insertion stopper slot(001).
4. using described in claim 1 based on magnetic charging theory high-pressure vacuum breaker arc-chutes vacuum degree measurement system institute
The detecting system method of work of implementation, it is characterised in that:The method is in high-pressure vacuum breaker arc-chutes(8)In the state of cut-offfing
When, electric field high pressure generation module is passed through between dynamic/static contact(2)Apply impulse electric field high pressure, while by field coil(3)Put
In arc-chutes(8)Outside, to field coil(3)High current is passed to, so as in arc-chutes(8)The interior arteries and veins that will be produced with Synchronous High voltage
Magnetic field is rushed, in the presence of impulse magnetic field and highfield, arc-chutes(8)In charged ion it is for the helical movement, and with remnants
Gas molecule collides ionization, and produced gas current and residual gas density are the proportional relation of vacuum.
5. detecting system method of work according to claim 4, it is characterised in that:In the method in control system after electricity,
By control panel(13)Detection instruction, microprocessing systems are sent to microprocessing systems (1)(1)Send control instruction and give magnetic field electric capacity
(9)Charge, by voltage detection module(10)Detection magnetic field electric capacity(9)Voltage and feed back to microprocessing systems(1), microprocessor
System(1)The magnitude of voltage preset value of detection is contrasted, halt instruction is sent when predetermined value is reached, stopped to magnetic field electric capacity
(9) charged, microprocessing systems(1)Send control instruction control electric field high pressure generation module(2)And field coil(3)Respectively
Output high-voltage pulse and highfield, are arc-chutes(8)Under highfield, high-intensity magnetic field collective effect, arc-chutes(8)Start to put
Electricity, the gas current of generation is by current detection module(12)It is sent to microprocessing systems(1), microprocessing systems(1)By meter
Calculation obtains high-pressure vacuum breaker arc-chutes(8)Vacuum degree, in display screen(14)Upper display, while passing through data memory module
(16)And printer(18)Data are stored and is printed.
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CN201611047758.6A CN106855449B (en) | 2016-11-23 | 2016-11-23 | High-voltage vacuum circuit breaker arc extinguish chamber vacuum degree detection system based on magnetic control discharge theory |
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CN201611047758.6A CN106855449B (en) | 2016-11-23 | 2016-11-23 | High-voltage vacuum circuit breaker arc extinguish chamber vacuum degree detection system based on magnetic control discharge theory |
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CN106855449B CN106855449B (en) | 2023-11-24 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110534376A (en) * | 2019-10-09 | 2019-12-03 | 保定市鑫通电器设备有限公司 | Vacuum tube vacuum-degree monitoring device method and monitoring method in load ratio bridging switch |
CN111982394A (en) * | 2020-08-20 | 2020-11-24 | 西门子爱克斯射线真空技术(无锡)有限公司 | Vacuum degree measuring device, method and system of X-ray tube |
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Publication number | Priority date | Publication date | Assignee | Title |
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CN110534376A (en) * | 2019-10-09 | 2019-12-03 | 保定市鑫通电器设备有限公司 | Vacuum tube vacuum-degree monitoring device method and monitoring method in load ratio bridging switch |
CN111982394A (en) * | 2020-08-20 | 2020-11-24 | 西门子爱克斯射线真空技术(无锡)有限公司 | Vacuum degree measuring device, method and system of X-ray tube |
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