CN110297177A - A kind of switch test power-supply device - Google Patents
A kind of switch test power-supply device Download PDFInfo
- Publication number
- CN110297177A CN110297177A CN201910721389.1A CN201910721389A CN110297177A CN 110297177 A CN110297177 A CN 110297177A CN 201910721389 A CN201910721389 A CN 201910721389A CN 110297177 A CN110297177 A CN 110297177A
- Authority
- CN
- China
- Prior art keywords
- switch
- terminal
- voltage
- power
- pressure vacuum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The present invention provides a kind of switch test power-supply device, including apparatus body and operation panel, apparatus body is set as body structure, operation panel is fixedly mounted on inside body structure, several connecting terminals are fixedly installed on operation panel, D.C. voltmeter is further fixedly arranged on operation panel, A.C. voltmeter, pressure regulator, power connection, power switch, switching group, first button, second button and third button, D.C. voltmeter is for showing DC voltage numerical value, A.C. voltmeter is for showing alternating voltage numerical value, pressure regulator is for adjusting voltage range values, switching group carries out test handover operation for operator, first button is for voltage output needed for conversion dc voltage supply tested device, second button for realizing DC voltage needed for tested device or alternating voltage conversion, third button is for realizing tested device Selection switching in close a floodgate connection or separating brake connection.The test operation of the present invention compatible high-pressure vacuum switch and high-pressure vacuum contactor.
Description
Technical field
The present invention relates to power electronic equipment experiment power supply technical fields, and in particular to a kind of switch test power-supply device.
Background technique
High-pressure vacuum switch operation power equipment used in the test at scene often will be according to the property institute of tested device at present
Production.I.e. when high-pressure vacuum switch needs do point, conjunction action test when latter second interior power can be under protective effect from dynamic circuit breaker
Electricity avoids acting on high-pressure vacuum switch switching on and off coil and crosses to be powered for a long time and causes to overheat and damage.
And the job specification and feature and high-pressure vacuum switch job specification and feature of high-pressure vacuum contactor are different.
It is exactly that high-pressure vacuum contactor power supply when acting combined floodgate cannot disconnect, otherwise it can be separated again.It is different according to the two
Job specification and feature, production synthesis integrally meet high-pressure vacuum contactor and high-pressure vacuum switch attribute testing, required condition
The effective power supply of work when (switching on and off time, the same period, spring and low voltage operating starting) test.
With the development of real work, a people must be made according to the job specification of both tested devices and feature
The equipment that power supply can be operated with both had met and has met high pressure vacuum contact needed for doing high-pressure vacuum switch operation power again
Market actual demand is complied with used in the experiment power supply of device, becomes technical problem urgently to be resolved.
Summary of the invention
In view of this, the problem to be solved in the present invention is to provide a kind of switch test power-supply devices.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: a kind of switch test power-supply device, including set
Standby ontology and operation panel, the apparatus body are set as body structure, and the operation panel is fixedly mounted on the cabinet knot
Inside structure, it is fixedly installed several connecting terminals on the operation panel, is further fixedly arranged on direct current on the operation panel
Table, A.C. voltmeter, pressure regulator, power connection, power switch, switching group, the first button, the second button and third button are pressed,
The D.C. voltmeter is for showing DC voltage numerical value, and the A.C. voltmeter is for showing alternating voltage numerical value, the tune
Depressor is used for external power supply for adjusting voltage range values, the power connection, and the power switch for operation panel for mentioning
For electric energy, the switching group carries out test handover operation for operator, and first button is supplied for conversion dc voltage
To voltage output needed for tested device, second button is for realizing DC voltage needed for tested device or turn of alternating voltage
It changes, the third button is in the selection switching of close a floodgate connection or separating brake connection for realizing tested device.
In the present invention, it is preferable that the operation panel is fixedly installed the first breaker, the second breaker and third open circuit
Device, first breaker is for realizing the power-off protection when tested device is high-pressure vacuum switch, second breaker
For realizing being the trigger voltage disconnection protection that high-pressure vacuum contactor carries out combined floodgate test when tested device, the third is breaking
Device disconnects protection for realizing when the trigger voltage that tested device is high-pressure vacuum contactor progress separating brake test.
In the present invention, it is preferable that the ground terminal ground line, the connecting terminal include ground terminal, combined floodgate terminal,
Separating brake terminal and negative terminal, the ground terminal ground line, the combined floodgate terminal, separating brake terminal are contacted with high pressure vacuum respectively
The negative wire terminal connections of the closing coil of device and opening coil wiring, the negative terminal and high-pressure vacuum contactor.
In the present invention, it is preferable that the connecting terminal further includes trigger voltage positive terminal and trigger voltage negative terminal,
The trigger voltage positive terminal and the trigger voltage negative terminal respectively with cooperation trigger voltage instrument trigger terminal just
Pole and cathode phase connection, the combined floodgate terminal connect the closing coil of high-pressure vacuum switch, and it is true that the separating brake terminal connects high pressure
It is spaced apart the opening coil of pass, the negative terminal connects the negative wire terminal of high-pressure vacuum switch.
In the present invention, it is preferable that the switching group includes first switch, second switch, third switch and the 4th switch, institute
It states first switch and is used for for switching A.C. voltmeter or D.C. voltmeter, the second switch to output AC voltage or direct current
Voltage switches over, and the third switch is between the combined floodgate terminal, the separating brake terminal and the negative terminal
Connection switches over, connection operation power supply when the 4th switch is for doing high-pressure vacuum contactor experiment.
In the present invention, it is preferable that the power switch for realizing general supply needed for equipment on-off.
In the present invention, it is preferable that the range of regulation of the pressure regulator is 0-250V.
In the present invention, it is preferable that the body structure includes under casing, case lid and lock, the case lid and the under casing
Side is rotatablely connected by hinge, and the other side of the under casing and the case lid is snapped connection by the lock, the lock
Including lock frame and closing piece, the lock frame is fixedly mounted on the side of the under casing, and the closing piece is fixedly installed on the side of case lid.
In the present invention, it is preferable that the lock frame is set as symmetrical two groups, the quantity and position of the closing piece and the lock frame
Corresponding arrangement is set, the side of the under casing is further fixedly arranged on handle.
In the present invention, it is preferable that the quadrangle of the operation panel is fixedly mounted on the top of the under casing by screw.
The advantages and positive effects of the present invention are: the present invention can be desirable for alternating current according to live tested device
Pressure or DC voltage are exportable, are arbitrarily adjusted by pressure regulator voltage according to needed for tested device, high pressure vacuum is allowed to open
It does switching on and off test and works normally in pass；Furthermore meet the job specification of high-pressure vacuum contactor, switching on and off action test can be made
Work is gone on smoothly, and the equipment that the job specification and feature suitable for two kinds of tested devices use power supply, a people can
To complete operation, the test electricity of high-pressure vacuum contactor was not only met needed for doing high-pressure vacuum switch operation power but also can meet
Source, it is easy to operate, easy to use.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is a kind of structure chart of the operation panel of switch test power-supply device of the invention；
Fig. 2 is a kind of circuit theory schematic diagram of switch test power-supply device of the invention；
Fig. 3 is a kind of circuit theory wiring diagram of switch test power-supply device of the invention；
Fig. 4 is a kind of overall structure figure of switch test power-supply device of the invention；
Fig. 5 is a kind of structural schematic diagram of the lock of switch test power-supply device of the invention.
In figure: 1- apparatus body；2- operation panel；3- D.C. voltmeter；4- A.C. voltmeter；5- pressure regulator；6- power supply
Connector；7- power switch；8- switching group；The first button of 9-；The second button of 10-；11- third button；The first breaker of 12-；13-
Second breaker；14- third breaker；15- ground terminal；16- combined floodgate terminal；17- separating brake terminal；18- negative terminal；19-
Trigger voltage positive terminal；20- trigger voltage negative terminal；21- first switch；22- second switch；23- third switch；24-
4th switch；25- under casing；26- case lid；27- lock；28- hinge；29- locks frame；30- closing piece；31- handle.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It should be noted that it can be directly on another component when component is referred to as " being fixed on " another component
Or there may also be components placed in the middle.When a component is considered as " connection " another component, it, which can be, is directly connected to
To another component or it may be simultaneously present component placed in the middle.When a component is considered as " being set to " another component, it
It can be and be set up directly on another component or may be simultaneously present component placed in the middle.Term as used herein is " vertical
", " horizontal ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As shown in Figures 1 to 5, the present invention provides a kind of switch test power-supply device, including apparatus body 1 and operation panel
2, the apparatus body 1 is set as body structure, and the operation panel 2 is fixedly mounted on inside the body structure, the behaviour
Make to be fixedly installed several connecting terminals on panel 2, D.C. voltmeter 3, alternating current are further fixedly arranged on the operation panel
Press table 4, pressure regulator 5, power connection 6, power switch 7, switching group 8, the first button 9, the second button 10 and third button 11, institute
D.C. voltmeter 3 is stated for showing DC voltage numerical value, the A.C. voltmeter 4 is for showing alternating voltage numerical value, the tune
Depressor 5 is used for external power supply for adjusting voltage range values, the power connection 6, and the power switch 6 is used to be operation panel
2 provide electric energy, and the switching group 8 carries out test handover operation for operator, and first button 9 is for converting direct current
Voltage output needed for pressure supply tested device, second button 10 is for realizing DC voltage needed for tested device or alternating current
The conversion of pressure, the third button 11 are in the selection switching of close a floodgate connection or separating brake connection for realizing tested device.
In the present embodiment, further, the operation panel 2 is fixedly installed the first breaker 12, the second breaker
13 and third breaker 14, first breaker 12 is protected for realizing the power-off when tested device is high-pressure vacuum switch
Shield, second breaker 12 are disconnected for realizing the trigger voltage for carrying out combined floodgate test when tested device for high-pressure vacuum contactor
Protection is opened, the third breaker 14 is for realizing when the triggering electricity that tested device is high-pressure vacuum contactor progress separating brake test
Break out protection.
In the present embodiment, further, the connecting terminal includes ground terminal 15, combined floodgate terminal 16, separating brake terminal
17 and negative terminal 18, the ground terminal 15 is grounded, and the combined floodgate terminal 16, separating brake terminal 17 connect with high pressure vacuum respectively
The closing coil of tentaculum and opening coil wiring, the negative wire terminal connections of the negative terminal 18 and high-pressure vacuum contactor.
In the present embodiment, further, the connecting terminal further includes trigger voltage positive terminal 19 and trigger voltage
Negative terminal 20, the trigger voltage positive terminal 19 and the trigger voltage negative terminal 20 respectively with cooperation trigger voltage instrument
The anode and cathode phase connection of device trigger terminal, the closing coil of the connection of combined floodgate terminal 16 high-pressure vacuum switch, described point
Lock terminal 17 connects the opening coil of high-pressure vacuum switch, and the negative terminal 18 connects the negative wire terminal of high-pressure vacuum switch.
In the present embodiment, further, the switching group 8 includes first switch 21, second switch 22, third switch 23
With the 4th switch 24, for switching A.C. voltmeter or D.C. voltmeter, the second switch 22 is used for the first switch 21
Output AC voltage or DC voltage are switched over, the third switch 23 is used for the combined floodgate terminal 16, the separating brake
Connection between terminal 17 and the negative terminal 18 switches over, and the 4th switch 24 is for doing high-pressure vacuum contactor reality
Connection operation power supply when testing.
In the present embodiment, further, the power switch 7 for realizing general supply needed for equipment on-off.
In the present embodiment, further, the range of regulation of the pressure regulator 5 is 0-250V, and 5 can be according to tested device
Required voltage range carries out electrodeless adjustment.
In the present embodiment, further, the body structure includes under casing 25, case lid 26 and lock 27, the case lid
26 and the side of the under casing 25 be rotatablely connected by hinge 28, the other side of the under casing 25 and the case lid 26 passes through described
Lock 27 snaps connection, and the lock 27 includes that lock frame 29 and closing piece 30, the lock frame 29 are fixedly mounted on the under casing 25
Side, the closing piece 30 are fixedly installed on the side of case lid 26.Case lid 26 and under casing 25 are fastened and connected by lock 27, lock 27
Cooperating between hinge 28 can be convenient for the opening and closing of case lid 26, convenient for the use of switch test power-supply device,
Improve the portability of power-supply device when not in use.
In the present embodiment, further, the lock frame 29 is set as symmetrical two groups, the closing piece 30 and the lock frame
The corresponding arrangement of 29 quantity and position, the side of the under casing 25 are further fixedly arranged on handle 31, just by setting handle 31
It is carried in operator, avoids the limitation of using area, the regional scope used is wider.
In the present embodiment, further, the quadrangle of the operation panel 2 is fixedly mounted on the under casing 25 by screw
Top, enable to operation panel 2 to be tively firm mounted on inside apparatus body 1, avoid since area of space is mobile
Shake the damage of the electronic component that may cause.
The working principle of the invention and the course of work are as follows: before use, each on operator's operation panel 2 determining first
Whether component locations are correct, and the position of pressure regulator 5 is returned to zero, and judge and complete wiring according to the job specification of tested device,
Confirmation wiring is correctly powered on by power connection 6 afterwards, and 220V AC voltage is the power supply of pressure regulator 5 after power supply is connected,
It is divided into duplex feeding, exports 0-250V alternating voltage all the way, alternating voltage numerical value is measured and shown by A.C. voltmeter 4,
Another output 0-250V DC voltage measures and shows DC voltage numerical value, by D.C. voltmeter 3 to meet tested device
Operating voltage is the different demands of alternating voltage or DC voltage；
When carrying out high-pressure vacuum switch attribute testing, whether operator first determines the 4th switch 24 in disconnection position
Set, then by be tested high-pressure vacuum switch closing coil and opening coil respectively with combined floodgate terminal 16,17 wiring of separating brake terminal,
It is tested 18 wiring of negative wire terminal and negative terminal of high-pressure vacuum switch, then voltage adjustment is carried out by screwing pressure regulator 5, connects
Get off to press the first button 9, gives " Z1 " powered operation all the way, become connecting by two-way " J1 " normal opened contact of " Z1 ", so that
Required voltage output is simultaneously supplied to subject high-pressure vacuum switch, another way when the first button 9 is pressed " when Z is total " with " Z1 " simultaneously
Powered operation, the movement within the time mixed up in advance " when Z is total ", becomes normally opened from normally closed when " J " is total, forces " Z1 " to power off, makes
Two-way " J1 " becomes normally opened again, stop supplying power for outside, from when ensure that high-pressure vacuum switch coil cannot conduction time it is too long.
It is if necessary to cooperate the cooperation of trigger voltage instrument to complete test, then the lead of trigger voltage instrument is directly positive with trigger voltage
Terminal 19 and trigger voltage negative terminal 20 carry out wiring.First breaker 12 is used in subject high-pressure vacuum switch test
Instant cut-off plays a protective role afterwards.
Carry out high-pressure vacuum contactor characteristic combined floodgate test when, the zygonema circle of high-pressure vacuum contactor respectively with combined floodgate
18 wiring of terminal 16 and negative terminal, operator's voltage according to needed for subject high-pressure vacuum contactor is by screwing pressure regulator
5 carry out voltage adjustment, next press the second button 10 and power to " Z2 " " when Z ", supply for high-pressure vacuum contactor closing coil
Electricity tests its closure, " Z2 " five road normal opened contact closure, wherein having for a long time for self-sustaining for " Z2 " " when Z " all the way
Electricity has voltage to export from terminal.The second breaker 13 makes " when Z " two routings are normally closed to become normally opened simultaneously, output voltage moment
It is disconnected.If necessary to cooperate trigger voltage instrument cooperation complete test, then by the lead of trigger voltage instrument directly with triggering
Positive polarity terminal 19 and trigger voltage negative terminal 20 carry out wiring, and the second breaker 13 can be complete in high-pressure vacuum contactor
At technology break trigger voltage source after test of closing a floodgate, play the role of power-off protection.
Carry out high-pressure vacuum contactor characteristic separating brake test when, the zygonema circle of high-pressure vacuum contactor respectively with separating brake
18 wiring of terminal 17 and negative terminal, operator's voltage according to needed for subject high-pressure vacuum contactor is by screwing pressure regulator
5 carry out voltage adjustment, next press third button 11, so that high-pressure vacuum contactor closing coil powers off, force high pressure true
Empty contactor is separately tested, and is powered to " Z3 " " when Z1 ", and two-way " J3 " the normal opened contact closure of " Z3 ", " J3 " is by normal all the way
Closing, which becomes the normally opened five road circuit-closing contacts for making its " Z2 power-off " original " Z2 ", restores normally opened, and two-way is normally closed " when Z " simultaneously becomes normally opened,
Terminal powers on simultaneously, and third breaker 14 disconnects output voltage moment.If necessary to cooperate trigger voltage instrument to cooperate
Complete test, then by the lead of trigger voltage instrument directly with trigger voltage positive terminal 19 and trigger voltage negative terminal 20 into
Row wiring, third breaker 14 can complete technology break trigger voltage source after separating brake is tested in high-pressure vacuum contactor, rise
It is acted on to power-off protection.
Latter second interior power can be under protective effect automatically when being done point due to high-pressure vacuum switch needs, closed action test
Power-off avoids acting on high-pressure vacuum switch switching on and off coil and crosses to be powered for a long time and causes to overheat and damage.
And the job specification and feature and high-pressure vacuum switch job specification and feature of high-pressure vacuum contactor are different.
It is exactly that high-pressure vacuum contactor power supply when acting combined floodgate cannot disconnect, otherwise it can be separated again.It is different according to the two
Job specification and feature, production synthesis integrally meet high-pressure vacuum contactor and high-pressure vacuum switch attribute testing power-supply device.
A kind of switch test power-supply device provided by the invention, can make high-pressure vacuum switch energy storage motor work when just
Often operation, is desirable for alternating voltage according to live tested device or DC voltage is exportable, being capable of basis by pressure regulator 5
Voltage needed for tested device is arbitrarily adjusted, and is allowed high-pressure vacuum switch to do switching on and off test and is worked normally；In addition, it is true to meet high pressure
The job specification of empty contactor can make going on smoothly for switching on and off action test work, the work suitable for two kinds of tested devices
The equipment that property and feature use power supply, a people can operate.
The embodiments of the present invention have been described in detail above, but content is only the preferred embodiment of the present invention,
It should not be considered as limiting the scope of the invention.All changes and improvements made in accordance with the scope of the present invention, should all
It still belongs within this patent covering scope.
Claims (10)
1. a kind of switch test power-supply device, which is characterized in that including apparatus body (1) and operation panel (2), the equipment sheet
Body (1) is set as body structure, and the operation panel (2) is fixedly mounted on inside the body structure, the operation panel (2)
On be fixedly installed several connecting terminals, D.C. voltmeter (3), A.C. voltmeter are further fixedly arranged on the operation panel
(4), pressure regulator (5), power connection (6), power switch (7), switching group (8), the first button (9), the second button (10) and
Three buttons (11), the D.C. voltmeter (3) for showing DC voltage numerical value, hand over for showing by the A.C. voltmeter (4)
Voltage value is flowed, the pressure regulator (5) is used for external power supply, the electricity for adjusting voltage range values, the power connection (6)
Source switch (6) is used to provide electric energy for operation panel (2), and the switching group (8) carries out test handover operation for operator,
First button (9) is used for for voltage output needed for conversion dc voltage supply tested device, second button (10)
The conversion of DC voltage or alternating voltage needed for realizing tested device, the third button (11) are in for realizing tested device
The selection switching that combined floodgate is connected or separating brake is connected.
2. a kind of switch test power-supply device according to claim 1, which is characterized in that the operation panel (2) is fixed
It is provided with the first breaker (12), the second breaker (13) and third breaker (14), first breaker (12) is for real
Now the power-off protection when tested device is high-pressure vacuum switch, second breaker (12) are for realizing when tested device
The trigger voltage that high-pressure vacuum contactor carries out combined floodgate test disconnects protection, and the third breaker (14) is for realizing when subject
Equipment is the trigger voltage disconnection protection that high-pressure vacuum contactor carries out separating brake test.
3. a kind of switch test power-supply device according to claim 1, which is characterized in that the connecting terminal includes ground connection
Terminal (15), combined floodgate terminal (16), separating brake terminal (17) and negative terminal (18), ground terminal (15) ground line are described
Combined floodgate terminal (16), separating brake terminal (17) are described negative respectively with the closing coil of high-pressure vacuum contactor and opening coil wiring
The negative wire terminal connections of extreme son (18) and high-pressure vacuum contactor.
4. a kind of switch test power-supply device according to claim 3, which is characterized in that the connecting terminal further includes touching
Power generation pressure positive terminal (19) and trigger voltage negative terminal (20), the trigger voltage positive terminal (19) and triggering electricity
Press the positive and cathode phase connection of negative terminal (20) respectively with cooperation trigger voltage instrument trigger terminal, the combined floodgate terminal
(16) closing coil of high-pressure vacuum switch is connected, the separating brake terminal (17) connects the opening coil of high-pressure vacuum switch, institute
State the negative wire terminal that negative terminal (18) connect high-pressure vacuum switch.
5. a kind of switch test power-supply device according to claim 4, which is characterized in that the switching group (8) includes the
One switch (21), second switch (22), third switch (23) and the 4th switch (24), the first switch (21) are handed over for switching
Ampere-voltage meter or D.C. voltmeter, the second switch (22) is for switching over output AC voltage or DC voltage, institute
Third switch (23) is stated to be used between the combined floodgate terminal (16), the separating brake terminal (17) and the negative terminal (18)
Connection switches over, and the 4th switch (24) is for connection operation power supply when doing high-pressure vacuum contactor experiment.
6. a kind of switch test power-supply device according to claim 1, which is characterized in that the power switch (7) is used for
The on-off of general supply needed for realizing equipment.
7. a kind of switch test power-supply device according to claim 1, which is characterized in that the pressure regulation of the pressure regulator (5)
Range is 0-250V.
8. a kind of switch test power-supply device according to claim 1, which is characterized in that the body structure includes under casing
(25), the side of case lid (26) and lock (27), the case lid (26) and the under casing (25) is rotatablely connected by hinge (28),
The other side of the under casing (25) and the case lid (26) is snapped connection by the lock (27), and the lock (27) includes lock
Frame (29) and closing piece (30), lock frame (29) are fixedly mounted on the side of the under casing (25), and closing piece (30) fixation is set
It is placed in the side of case lid (26).
9. a kind of switch test power-supply device according to claim 8, which is characterized in that the lock frame (29) is set as pair
Two groups claimed, the closing piece (30) arrangement corresponding with the quantity of lock frame (29) and position, the side of the under casing (25)
It is further fixedly arranged on handle (31).
10. a kind of switch test power-supply device according to claim 9, which is characterized in that the four of the operation panel (2)
Angle is fixedly mounted on the top of the under casing (25) by screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721389.1A CN110297177B (en) | 2019-08-06 | 2019-08-06 | Switch test power supply equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910721389.1A CN110297177B (en) | 2019-08-06 | 2019-08-06 | Switch test power supply equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110297177A true CN110297177A (en) | 2019-10-01 |
| CN110297177B CN110297177B (en) | 2021-10-01 |
Family
ID=68032722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910721389.1A Active CN110297177B (en) | 2019-08-06 | 2019-08-06 | Switch test power supply equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110297177B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103536A (en) * | 2019-12-31 | 2020-05-05 | 宁波职业技术学院 | Low-voltage drawer cabinet testing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238661B2 (en) * | 1979-12-06 | 1987-08-19 | Mitsubishi Electric Corp | |
| CN200972499Y (en) * | 2006-12-01 | 2007-11-07 | 山西兰花科技创业股份有限公司 | On-line on-off detection device for low pressure vacuum pipe |
| CN201248013Y (en) * | 2008-08-18 | 2009-05-27 | 天津市电力公司 | Special switch power supply for vacuum contactor |
| CN202854186U (en) * | 2012-10-08 | 2013-04-03 | 金华电业局 | Test power box |
| CN204145317U (en) * | 2014-10-23 | 2015-02-04 | 国家电网公司 | A kind of power supply unit for the test of handcart type vacuum switching characteristic |
| CN204241527U (en) * | 2014-12-11 | 2015-04-01 | 山东公信安全科技有限公司 | A kind of mining high-voltage switch Special test power supply |
| CN105866670A (en) * | 2016-06-02 | 2016-08-17 | 国网河南省电力公司洛阳供电公司 | Online tripping and closing voltage tester for circuit breaker |
-
2019
- 2019-08-06 CN CN201910721389.1A patent/CN110297177B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6238661B2 (en) * | 1979-12-06 | 1987-08-19 | Mitsubishi Electric Corp | |
| CN200972499Y (en) * | 2006-12-01 | 2007-11-07 | 山西兰花科技创业股份有限公司 | On-line on-off detection device for low pressure vacuum pipe |
| CN201248013Y (en) * | 2008-08-18 | 2009-05-27 | 天津市电力公司 | Special switch power supply for vacuum contactor |
| CN202854186U (en) * | 2012-10-08 | 2013-04-03 | 金华电业局 | Test power box |
| CN204145317U (en) * | 2014-10-23 | 2015-02-04 | 国家电网公司 | A kind of power supply unit for the test of handcart type vacuum switching characteristic |
| CN204241527U (en) * | 2014-12-11 | 2015-04-01 | 山东公信安全科技有限公司 | A kind of mining high-voltage switch Special test power supply |
| CN105866670A (en) * | 2016-06-02 | 2016-08-17 | 国网河南省电力公司洛阳供电公司 | Online tripping and closing voltage tester for circuit breaker |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103536A (en) * | 2019-12-31 | 2020-05-05 | 宁波职业技术学院 | Low-voltage drawer cabinet testing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110297177B (en) | 2021-10-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202142994U (en) | Power supply device | |
| CN102870060B (en) | Household appliance circuit arrangement | |
| CN203660492U (en) | Microcomputer comprehensive protection device having active/passive automatic switching function | |
| CN105203948A (en) | Circuit breaker integrated test device | |
| CN109188263B (en) | High-voltage isolating switch AC/DC voltage regulation power supply test operation secondary circuit system | |
| CN110297177A (en) | A kind of switch test power-supply device | |
| CN203705605U (en) | Running-in test console of indoor high-voltage vacuum breaker | |
| CN103941111A (en) | Voltage sag simulation method and device | |
| CN101055814B (en) | High voltage vacuum breaker | |
| CN208506206U (en) | A kind of test device of circuit-breaker switching on-off time | |
| CN107104511A (en) | The control device and system of breaker | |
| CN207664593U (en) | Power distribution system voltage comprehensive protector | |
| CN207339410U (en) | Uninterrupted power source electric power system and uninterrupted power source distribution box | |
| CN207603046U (en) | General operation power supply box | |
| CN209627249U (en) | A kind of electric voltage frequency debugging apparatus | |
| CN105929281B (en) | Automatic switching and checking integrated machine | |
| CN201655679U (en) | Low-voltage contactor delay circuit device | |
| CN103840551A (en) | Intelligent circuit breaker controller | |
| CN212622940U (en) | Complete set of switch equipment test device | |
| CN104883122B (en) | There is the grid-connected intellective protector of distributed photovoltaic of pressure automatic switching-in function with inspection | |
| CN109889053A (en) | A kind of electric voltage frequency debugging apparatus | |
| CN201374548Y (en) | Leakage module with circuit breaker leakage protection function | |
| CN104377645B (en) | Low-power consumption device for under-voltage releasing equipment | |
| CN207283382U (en) | Anti-electric shock type isolated power supply | |
| CN203339798U (en) | Fire-fighting linkage power supply module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |