CN109298332A - A kind of portable beaker characteristic test device - Google Patents
A kind of portable beaker characteristic test device Download PDFInfo
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- CN109298332A CN109298332A CN201811446131.7A CN201811446131A CN109298332A CN 109298332 A CN109298332 A CN 109298332A CN 201811446131 A CN201811446131 A CN 201811446131A CN 109298332 A CN109298332 A CN 109298332A
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- 238000012360 testing method Methods 0.000 title claims abstract description 88
- 230000009466 transformation Effects 0.000 claims abstract description 11
- 238000006243 chemical reaction Methods 0.000 claims abstract description 8
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 210000000080 chela (arthropods) Anatomy 0.000 claims description 18
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000004891 communication Methods 0.000 claims description 9
- 238000013500 data storage Methods 0.000 claims description 5
- 230000005284 excitation Effects 0.000 claims 2
- 210000001367 artery Anatomy 0.000 claims 1
- 210000003462 vein Anatomy 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000005259 measurement Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
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- 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
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- General Physics & Mathematics (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
The present invention relates to the technical fields of high-voltage switch gear, more specifically, it is related to a kind of portable beaker characteristic test device, test device includes test subject, wireless two sides earth clip style sensor and velocity sensor, and wireless two sides earth clip style sensor, velocity sensor and test subject connect；Information Wireless transceiver to test subject, wireless two sides earth clip style sensor and the breaker of wireless two sides earth clip style sensor monitoring is series on cable；Velocity sensor is set on breaker, and velocity sensor includes the transformation attachment for space rate and angular speed conversion.By installing the wireless two sides earth clip style sensor detection circuit-breaker switching on-off time and being wirelessly transmitted to test subject, breaker rotation angle is detected by installation speed sensor and transformation attachment and is transmitted to test subject, not in the case where dismounting ground wire, circuit-breaker switching on-off time and circuit-breaker switching on-off rotation angle are tested simultaneously, and test repeatability is good, accuracy is high.
Description
Technical field
The present invention relates to the technical fields of high-voltage switch gear, fill more particularly, to a kind of portable beaker characteristic test
It sets.
Background technique
Breaker is the important equipment in substation, and when ground connection or short trouble occur for system, breaker is used to disconnect
Fault current, to guarantee that station equipment is not encroached on by fault current, reduces load loss to greatest extent.Periodically carry out breaker
Characteristic maintenance, early detection breaker defect avoids accident further expansion, very necessary and important.Live power failure of breaker
Afterwards, both-end hangs ground line, and traditional test mode, which needs at least to remove one end ground line, to work, and removing ground line needs
It wants service work responsible person to contact with operation licensor, can remove, contact complicated and time consumption, recovery is also required to fulfil again corresponding
Formality, it is quite cumbersome；Need to remove ground line, suspension p-wire, the heavy danger of demolishing process, it is also possible to cause people in work
Body, power grid accident.
When traditional mechanic character tester is tested, need for primary connection to be connected to the two sides of the port of earthing switch,
It just can be carried out therefore it is required that breaker port at least side is in open-circuit condition.Part combined electrical apparatus is switched due to breaker two sides
It without leading point, needs bus to have a power failure and is unlocked operation, tested with adjacent outgoing line interval, wherein it is tired to be related to having a power failure
The problems such as difficulty, increase security risk.And part breaker is in open-circuit condition to meet test condition at least side, need into
Row high-altitude solves line work, increases workload and security risk.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of portable beaker characteristic test device,
Measurement test switch divide-shut brake testing time and rotation angle, improve the efficiency of on-the-spot test in the case where not dismounting ground wire,
Avoid dismounting ground line bring security risk.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of portable beaker characteristic test device is provided, the breaker is set on cable, and the cable connects by first
Ground switch, the second earthing switch are connect with earth mat；The test device includes test subject, for detection switch branch wire time
Wireless two sides earth clip style sensor and velocity sensor for detection switch divide-shut brake corner, the wireless two sides earth
Clip style sensor, velocity sensor and test subject connect；The information of the wireless two sides earth clip style sensor monitoring is wireless
It is sent to test subject, wireless two sides earth clip style sensor and breaker are series on cable；The velocity sensor is set to
On breaker, the velocity sensor includes the transformation attachment for space rate and angular speed conversion.
Portable beaker characteristic test device of the invention is broken by installing wireless two sides earth clip style sensor and detecting
Road device branch wire time is simultaneously wirelessly transmitted to test subject, detects breaker rotation by installation speed sensor and transformation attachment
Angle is simultaneously transmitted to test subject, not in the case where dismounting ground wire, can test circuit-breaker switching on-off time and breaker simultaneously
Divide-shut brake rotates angle；Signal sensitivity is detected by the mechanical property that multiple sensor improves two sides earth switch, and is examined
The signal data of survey is automatically transmitted to test subject, guarantees the automation of entire measurement process, easy to operate simple.
Further, the wireless two sides earth clip style sensor includes pulse signal driving source and the pulse of signal connection
Signal receiver, the pulse signal driving source, pulsed signal device are set on cable, the pulsed signal device connection
There are the wireless RF receivers connecting with test subject.Breaker, cable, earth mat, the first earthing switch, the second earthing switch group
At a through-flow body, the open and close of this is through-flow body is realized by the breaking-closing operating of breaker；In test, pulse letter
Number driving source generates the Pulse High Voltage of 20KHz or more, when through-flow body closure, will generate in pulsed signal device pair
The induced current answered.And the moment is closed and disconnected according to what faradic generation and the measurement of elimination moment can correspond to breaker.
The received sensor current signal of pulsed signal device is sent to test subject by wireless RF receivers and is analyzed and processed
Obtain the circuit-breaker switching on-off time.
Further, the pulse signal driving source is set on voltage output pincers, the pulsed signal device setting
In on electric current input pincers, the voltage output pincers, electric current input clamp are set on cable.Pass through voltage output pincers, electric current input
Pulse signal driving source, pulsed signal device are held on cable by pincers, easy to operate；And it can pacify by insulating bar on ground
Dress, is installed without the mode of high altitude operation, quick and easy for installation, is improved working efficiency, is avoided the security risk of high altitude operation.
Further, signal generating module, the pulse letter are connected between the pulse signal driving source and test subject
Number A/D analog-to-digital conversion module is connected between receiver and test subject.Pass through test subject control wave driving source
Whether pulse signal occurs, the received current signal of pulsed signal device is converted by the setting of A/D analog-to-digital conversion module
For digital signal.
Further, transformation attachment includes that the gyrator that breaker space rate is converted to angular speed and gyrator connect
The mobile gliding mass that the mobile slide arm and inner wall connect is contacted with mobile slide arm, one end of the mobile gliding mass is connected to the defeated of power supply
Enter end, the other end ground connection of mobile gliding mass, it is defeated that the rotation center of the mobile slide arm is connected with the signal connecting with test subject
Outlet.The space rate of breaker is converted into angular speed by gyrator, gyrator drive mobile slide arm in mobile gliding mass around
Rotation center rotation, mobile slide arm and mobile gliding mass constitute a rheostat, can be by test rheostat in circuit-breaker switching on-off
The variation of resistance value calculates analysis and obtains the rotation angle of circuit-breaker switching on-off in the process.
Further, the test subject includes the nothing for controlling master unit, connecting with wireless two sides earth clip style sensor
Line radio frequency transmission module and the data-interface connecting with velocity sensor, the wireless radio frequency transmission module, data-interface are equal
It is connect with controller.Wireless radio frequency transmission module receives the circuit-breaker switching on-off time letter transmitted from wireless RF receivers
Number, data-interface is for receiving the circuit-breaker switching on-off rotary angle signal from signal output end, circuit-breaker switching on-off time
Signal and circuit-breaker switching on-off rotary angle signal are transmitted to control master unit and are analyzed and processed.
Further, the test subject includes that shell and display module, key module, USB on shell lead to
Believe that interface, the display module are connected to the output end of control master unit, key module is connected to the input terminal of control master unit,
The USB communication interface is connect with control master unit both-way communication.Display module is for showing circuit-breaker switching on-off time, open circuit
Device divide-shut brake rotates the circuit breaker characteristics parameters such as angle, and key module is used to send instruction control to control master unit and test
Journey, the interaction of data and other equipment that the setting of USB communication interface stores convenient for test subject.
Further, the input terminal of the control master unit is connected with power module, and the power module is connected with voltage
Output control unit.Power module of the invention is numerical-control constant-pressure switch power module, can respectively form component for test device
Stable power supply is provided.
Further, the output end of the control master unit is connected with dynamic data storage module and FLASH storage mould
Block.Dynamic data storage module and FLASH memory module are used for the storage of test result, convenient for historical data statistics and point
Analysis.
Further, the output end of the control master unit is connected with the print unit for printing test result.Pass through
Print unit prints test result.
Compared with prior art, the beneficial effects of the present invention are:
(1) present invention can test circuit-breaker switching on-off time and circuit-breaker switching on-off in the case where not dismounting ground wire simultaneously
Angle is rotated, signal sensitivity is detected by the mechanical property that multiple sensor improves two sides earth switch, improves the standard of test
Exactness saves the working time, improves safety coefficient, short form test process；
(2) pulse signal driving source, pulsed signal device are held on electricity by voltage output pincers, electric current input pincers by the present invention
It is easy to operate on cable；And can be installed by insulating bar on ground, it is installed without the mode of high altitude operation, it is quick and easy for installation,
Working efficiency is improved, the security risk of high altitude operation is avoided；
(3) present invention converts angular speed by gyrator for the space rate of breaker by transformation attachment, and test analysis obtains
To the rotation angle of circuit-breaker switching on-off.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of portable beaker characteristic test device test subject of the invention.
Fig. 2 is the wireless two sides earth clip style sensor schematic diagram of portable beaker characteristic test device.
Fig. 3 is the structural schematic diagram of the transformation attachment of portable beaker characteristic test device.
In attached drawing: 1- breaker；2- cable；The first earthing switch of 3-；The second earthing switch of 4-；5- earth mat；61- control master
Unit；62- wireless radio frequency transmission module；63- data-interface；64- display module；65- key module；66- USB communication interface；
67- power module；68- dynamic data storage module；69-FLASH memory module；7- is wireless two sides earth clip style sensor；71-
Pulse signal driving source；72- pulsed signal device；73- wireless RF receivers；74- voltage output pincers；The input of 75- electric current
Pincers；76- signal generating module；77-A/D analog-to-digital conversion module；8- velocity sensor；9- converts attachment；91- gyrator；92- is moved
Dynamic slide arm；93- moves gliding mass；94- signal output end.
Specific embodiment
The present invention is further illustrated With reference to embodiment.Wherein, attached drawing only for illustration,
What is indicated is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；Reality in order to better illustrate the present invention
Example is applied, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To those skilled in the art
For, the omitting of some known structures and their instructions in the attached drawings are understandable.
The same or similar label correspond to the same or similar components in the attached drawing of the embodiment of the present invention；It is retouched in of the invention
In stating, it is to be understood that if the orientation or positional relationship for having the instructions such as term " on ", "lower", "left", "right" is based on attached drawing
Shown in orientation or positional relationship, be merely for convenience of description of the present invention and simplification of the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore positional relationship is described in attached drawing
Term only for illustration, should not be understood as the limitation to this patent, for the ordinary skill in the art, can
To understand the concrete meaning of above-mentioned term as the case may be.
Embodiment
It is as shown in Figure 1 to Figure 3 the embodiment of 1 characteristic test device of portable beaker of the invention, breaker 1 is set to
On cable 2, cable 2 is connect by the first earthing switch 3, the second earthing switch 4 with earth mat 5；Test device include test subject,
For detecting the wireless two sides earth clip style sensor 7 of 1 branch wire time of breaker and for detecting the rotation of 1 divide-shut brake of breaker
The velocity sensor 8 of angle, wireless two sides earth clip style sensor 7, velocity sensor 8 are connect with test subject；Wireless both-end
Information Wireless transceiver that clip style sensor 7 monitors is grounded to test subject, wireless two sides earth clip style sensor 7 and breaker 1
It is series on cable 2；Velocity sensor 8 is set on breaker 1, and velocity sensor 8 includes turning for space rate and angular speed
The transformation attachment 9 changed.
As shown in Fig. 2, wireless two sides earth clip style sensor 7 includes pulse signal driving source 71 and the pulse of signal connection
Signal receiver 72, pulse signal driving source 71, pulsed signal device 72 are set on cable 2, and pulsed signal device 72 connects
It is connected to the wireless RF receivers 73 connecting with test subject.The present embodiment is when implementing, breaker 1, cable 2, earth mat 5, the
One earthing switch 3, the second earthing switch 4 form a through-flow body, and the open and close of this is through-flow body is point by breaker 1
Closing operation is realized；In test, pulse signal driving source 71 generates the Pulse High Voltage of 20KHz or more, when the through-flow body closes
When conjunction, corresponding induced current will be generated in pulsed signal device 72.And according to faradic generation and elimination moment
What measurement can correspond to breaker 1 closes and disconnects the moment.The received sensor current signal of pulsed signal device 72 passes through wireless
Radio frequency receiver 73 is sent to test subject and is analyzed and processed to obtain 1 branch wire time of breaker.
Wherein, pulse signal driving source 71 is set on voltage output pincers 74, and pulsed signal device 72 is set to electric current
On input pincers 75, voltage output pincers 74, electric current input pincers 75 are located on cable 2；Pass through voltage output pincers 74, electric current input pincers
75 are held on pulse signal driving source 71, pulsed signal device 72 on cable 2, easy to operate；And it can exist by insulating bar
Ground installation, is installed without the mode of high altitude operation, quick and easy for installation, is improved working efficiency, is avoided the peace of high altitude operation
Full hidden danger.Signal generating module 76, pulsed signal device 72 and survey are connected between pulse signal driving source 71 and test subject
A/D analog-to-digital conversion module 77 is connected between examination main body；Pass through the pulse signal of test subject control wave driving source 71
Whether generation, number is converted for the received current signal of pulsed signal device 72 by the setting of A/D analog-to-digital conversion module 77
Word signal.
As shown in figure 3, transformation attachment 9 includes the gyrator 91 and corner that 1 space rate of breaker is converted to angular speed
The mobile gliding mass 93 that the mobile slide arm 92 and inner wall that device 91 connects are contacted with mobile slide arm 92, one end connection of mobile gliding mass 93
In the input terminal of power supply, the other end ground connection of mobile gliding mass 93, the rotation center of mobile slide arm 92 is connected with to be connected with test subject
The signal output end 94 connect.For the present embodiment when implementing, the space rate of breaker 1 is converted into angular speed by gyrator 91,
Gyrator 91 drives mobile slide arm 92 to rotate in mobile gliding mass 93 around rotation center, and mobile slide arm 92 and mobile gliding mass 93 are constituted
One rheostat can obtain breaker 1 by testing the variation calculating analysis of rheostat resistance value during 1 divide-shut brake of breaker
The rotation angle of divide-shut brake.
As shown in Figure 1, test subject includes the nothing for controlling master unit 61, connecting with wireless two sides earth clip style sensor 7
Line radio frequency transmission module 62 and the data-interface 63 being connect with velocity sensor, wireless radio frequency transmission module 62, data-interface
63 connect with controller；Wireless radio frequency transmission module 62 receives 1 division of breaker transmitted from wireless RF receivers 73
Lock time signal, data-interface 63 is for receiving the 1 divide-shut brake rotary angle signal of breaker from signal output end 94, open circuit
1 branch wire time signal of device and 1 divide-shut brake rotary angle signal of breaker are transmitted to control master unit 61 and are analyzed and processed.
Wherein, test subject includes shell and display module 64, key module 65, USB communication interface 66 on shell, display
Module 64 is connected to the output end of control master unit 61, and key module 65 is connected to the input terminal of control master unit 61, usb communication
Interface 66 is connect with control 61 both-way communication of master unit.
Wherein, the input terminal for controlling master unit 61 is connected with power module 67, and power module 67 is connected with voltage output control
Unit processed；The power module 67 of the present embodiment is numerical-control constant-pressure switch power module 67, can respectively form component for test device
Stable power supply is provided.The output end of control master unit 61 is connected with dynamic data storage module 68 and FLASH memory module
69, for the storage of test result, convenient for the statistics and analysis of historical data；The output end of control master unit 61 is connected with printing
Unit is printed test result by print unit.
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
Claims (10)
1. a kind of portable beaker characteristic test device, the breaker is set on cable, and the cable passes through the first ground connection
Switch, the second earthing switch are connect with earth mat；It is characterized in that, the test device includes test subject, for detecting breaker
The wireless two sides earth clip style sensor of branch wire time and the velocity sensor that angle is rotated for detecting circuit-breaker switching on-off,
The wireless two sides earth clip style sensor, velocity sensor and test subject connect；The wireless two sides earth clamp sensing
The information Wireless transceiver of device monitoring to test subject, wireless two sides earth clip style sensor and breaker is series on cable；Institute
Velocity sensor is stated on the breaker, the velocity sensor includes that the transformation converted for space rate and angular speed is attached
Part.
2. portable beaker characteristic test device according to claim 1, which is characterized in that the wireless two sides earth
Clip style sensor includes the pulse signal driving source and pulsed signal device of signal connection, the pulse signal driving source, arteries and veins
Signal receiver is rushed on cable, the pulsed signal device is connected with the less radio-frequency connecting with test subject and receives
Device.
3. portable beaker characteristic test device according to claim 2, which is characterized in that the pulse signal excitation
Source is set on voltage output pincers, and the pulsed signal device is set on electric current input pincers, the voltage output pincers, electric current
Clamp is inputted to be set on cable.
4. portable beaker characteristic test device according to claim 3, which is characterized in that the pulse signal excitation
It is connected with signal generating module between source and test subject, is connected with A/D mould between the pulsed signal device and test subject
Number conversion module.
5. portable beaker characteristic test device according to claim 1, which is characterized in that the transformation attachment includes
Breaker space rate is converted into the gyrator of angular speed, the mobile slide arm connecting with gyrator and inner wall and mobile slide arm
The mobile gliding mass of contact, one end of the mobile gliding mass are connected to the input terminal of power supply, and the other end ground connection of mobile gliding mass is described
The rotation center of mobile slide arm is connected with the signal output end connecting with test subject.
6. portable beaker characteristic test device according to any one of claims 1 to 5, which is characterized in that the survey
Examination main body includes the wireless radio frequency transmission module and and speed for controlling master unit, connecting with wireless two sides earth clip style sensor
The data-interface of sensor connection, the wireless radio frequency transmission module, data-interface are connect with controller.
7. portable beaker characteristic test device according to claim 6, which is characterized in that the test subject includes
Shell and display module, key module, USB communication interface on shell, the display module are connected to the main list of control
The output end of member, key module are connected to the input terminal of control master unit, the USB communication interface and control master unit two-way
News connection.
8. portable beaker characteristic test device according to claim 6, which is characterized in that the control master unit
Input terminal is connected with power module, and the power module is connected with voltage output control unit.
9. portable beaker characteristic test device according to claim 6, which is characterized in that the control master unit
Output end is connected with dynamic data storage module and FLASH memory module.
10. according to the described in any item portable beaker characteristic test devices of claim 6 to 9, which is characterized in that the control
The output end of master unit processed is connected with the print unit for printing test result.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446131.7A CN109298332A (en) | 2018-11-29 | 2018-11-29 | A kind of portable beaker characteristic test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811446131.7A CN109298332A (en) | 2018-11-29 | 2018-11-29 | A kind of portable beaker characteristic test device |
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| CN109298332A true CN109298332A (en) | 2019-02-01 |
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| CN201811446131.7A Pending CN109298332A (en) | 2018-11-29 | 2018-11-29 | A kind of portable beaker characteristic test device |
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Cited By (5)
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| CN109901063A (en) * | 2019-03-11 | 2019-06-18 | 中国长江电力股份有限公司 | A kind of GIS separate unit power failure of breaker time response measurement method |
| CN110987401A (en) * | 2019-12-20 | 2020-04-10 | 广东电网有限责任公司 | 35kV and above circuit breaker mechanical characteristic test auxiliary device |
| CN112748335A (en) * | 2020-12-29 | 2021-05-04 | 南京昊拓电子科技有限公司 | Big data-based circuit breaker detection device |
| CN113267722A (en) * | 2021-05-20 | 2021-08-17 | 国网安徽省电力有限公司检修分公司 | Method and system for testing double-end grounding opening and closing time of high-voltage circuit breaker |
| CN113900017A (en) * | 2021-09-30 | 2022-01-07 | 广东电网有限责任公司 | Device for measuring opening and closing speed of circuit breaker |
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| CN110987401A (en) * | 2019-12-20 | 2020-04-10 | 广东电网有限责任公司 | 35kV and above circuit breaker mechanical characteristic test auxiliary device |
| CN112748335A (en) * | 2020-12-29 | 2021-05-04 | 南京昊拓电子科技有限公司 | Big data-based circuit breaker detection device |
| CN113267722A (en) * | 2021-05-20 | 2021-08-17 | 国网安徽省电力有限公司检修分公司 | Method and system for testing double-end grounding opening and closing time of high-voltage circuit breaker |
| CN113900017A (en) * | 2021-09-30 | 2022-01-07 | 广东电网有限责任公司 | Device for measuring opening and closing speed of circuit breaker |
| CN113900017B (en) * | 2021-09-30 | 2023-08-18 | 广东电网有限责任公司 | Measuring device for switching-on and switching-off speed of circuit breaker |
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