CN207215447U - A kind of detecting system of two sides earth test SF6 switch mechanical properties - Google Patents
A kind of detecting system of two sides earth test SF6 switch mechanical properties Download PDFInfo
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- CN207215447U CN207215447U CN201721123738.2U CN201721123738U CN207215447U CN 207215447 U CN207215447 U CN 207215447U CN 201721123738 U CN201721123738 U CN 201721123738U CN 207215447 U CN207215447 U CN 207215447U
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- 238000012360 testing method Methods 0.000 title claims abstract description 66
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- 238000010521 absorption reaction Methods 0.000 claims description 15
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- 239000004973 liquid crystal related substance Substances 0.000 claims description 7
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 abstract description 8
- 238000002474 experimental method Methods 0.000 abstract description 5
- 230000003252 repetitive effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 description 3
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- 238000009434 installation Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000003463 adsorbent Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
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- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
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- 238000009666 routine test Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
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- 239000000725 suspension Substances 0.000 description 1
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Abstract
The utility model discloses a kind of detecting system of two sides earth test SF6 switch mechanical properties, belong to electrical equipment technical field, detecting system includes switching characteristic tester, the circulator that tests the speed with being fixedly connected at switch rotary, the output end of circulator of testing the speed is connected with switch control box, described switching characteristic tester is two sides earth switching characteristic tester, and the circulator that tests the speed is the wireless circulator that tests the speed.In the case of not dismounting ground wire, the testing time needed for switch separating brake and the anglec of rotation can be tested simultaneously, accurate measurement, test repeatability can be good, two sides earth switching characteristic tester eliminates the process contacted in many ways, has saved the working time, eliminates the work for removing ground wire, site safety coefficient is improved, simplifies experiment process.The wireless circulator that tests the speed eliminates the measurement error that original test lead loose contact is brought, and greatly reduces the repetitive rate of experiment, and without installing traditional circulator, avoid mechanical wounding.
Description
Technical field
The utility model belongs to electrical equipment technical field, is related to a kind of two sides earth test SF6 switch mechanical properties
Detecting system.
Background technology
SF6 breakers (switch) are the visual plants in transformer station, and enormous amount, more than 110kV branch have
One SF6 is switched, and the SF6 switches in a general 220kV transformer station are switched in system normal operation in 20-30 platforms, SF6
In the case of be used to adjust system operation mode, ground connection occurs or during short trouble in system, breaker is used for cut-offfing fault current,
So as to ensure that station equipment is not encroached on by fault current to greatest extent, load loss is reduced.Periodically carry out circuit breaker characteristic maintenance,
Early detection breaker defect, avoids accident from further expanding, very necessary and important.After live power failure of breaker, both-end is equal
Suspension ground wire, traditional test mode needs at least dismounting one end ground wire to work, and removing ground wire needs check man
Make director to contact with running licensor and (belong to the ground wire of scheduling administration license, it is necessary to through excessive value dispatcher license), side
It is dismountable, complicated and time consumption is contacted, recovery is also required to fulfil corresponding formality again, quite cumbersome；Need dismounting to be grounded in work,
P-wire is hung, tears open and hangs process cumbersome danger, it is also possible to trigger the person, power grid accident.
Circuit breaker characteristic test is a phase routine test project of circuit-breaker testing, and test data is used for and factory calibration ratio
Compared with to judge whether its performance is good, being normally carried out cut-offfing, switch motion time and responsiveness are switching characteristic
Test event.Traditional experiment need of work manual releasing switch energy, then using screw, nut etc. by traditional circulator with opening
Close and be fixed at rotation, and circulator is fixed on Switch main body with turning arm, used so existing detecting system is present
People is more, contacts the defects of cumbersome with duration, personnel, and mechanical wounding, the hazards such as bar be present, threatens the person, power network
Safety.
The content of the invention
The defects of the utility model is in order to overcome prior art, it is special to devise a kind of two sides earth test SF6 switch machineries
Property detecting system, the switch for the measure of having carried out is measured in the case of not dismounting ground wire, easy-to-connect is simple to operate, work
Safety, the efficiency of on-the-spot test is substantially increased, the personal earth mat that dismounting ground wire can also be avoided to bring threatens, avoids installing
The mechanical wounding that the circulator that tests the speed is brought.
The concrete technical scheme that the utility model is taken is：A kind of inspection of two sides earth test SF6 switch mechanical properties
Examining system, including switching characteristic tester, the circulator that tests the speed with being fixedly connected at switch rotary, the output end for the circulator that tests the speed
It is connected with switch control box, it is important to：Described switching characteristic tester is two sides earth switching characteristic tester, two sides earth
Switching characteristic tester includes signal source, current acquisition module and the voltage input being connected with central processing unit, one end of signal source
Be connected with the upper port of switch, the other end with switch lower port be connected, upper port is connected to ground, lower port with ground linkage section
Clamp and be connected into clamp current transformer, the output end of clamp current transformer with current acquisition module, the output end of voltage input with
Switch control box connects；
The circulator that tests the speed is the wireless circulator that tests the speed, and the circulator that wirelessly tests the speed includes electromagnetic absorption device, synchronous rotary fills
Put, radio transmitting device, the optically measuring speeds device for measuring the synchronous rotating device anglec of rotation, synchronous rotating device is by electromagnetism
Adsorbent equipment is fixed with being adsorbed at switch rotary, and the output end of optically measuring speeds device connects by radio transmitting device and switch control box
Connect and carry out data transmission.
Described two sides earth switching characteristic tester also includes the wireless module being connected with central processing unit and wireless mould
The antenna of block connection.
Described two sides earth switching characteristic tester also includes print window, the clock day being connected with central processing unit
Go through, memory, operation keyboard, liquid crystal display, in addition to the contrast adjustment module being connected with liquid crystal display.
Described electromagnetic absorption device includes electromagnet, the connecting rod that is fixedly connected with electromagnet, synchronous rotating device and
Connecting rod is fixedly connected, and electromagnet is fixed with being adsorbed at switch rotary.
The rotating disk that described synchronous rotating device includes fixed plate, is fixedly connected with fixed plate, fixed plate are inhaled with electromagnetism
Adsorption device is fixedly connected.
Described optically measuring speeds device includes light beam generator and velocity arithmetic CPU, and light beam generator connects with velocity arithmetic CPU
Connect, velocity arithmetic CPU output end is connected by radio transmitting device with switch control box.
Described radio transmitting device is Bluetooth transmission device.
The beneficial effects of the utility model are：Using wireless test the speed circulator and two sides earth switching characteristic tester,
Not in the case of dismounting ground wire, the testing time needed for switch separating brake and the anglec of rotation, accurate measurement, test can be tested simultaneously
Repeatability is good.After two sides earth switching characteristic tester, the process contacted in many ways is eliminated, has saved the working time,
The work for removing ground wire is eliminated, site safety coefficient is improved, simplifies experiment process.Using the wireless circulator that tests the speed
Afterwards, without carrying out cumbersome fixation manually, the set-up time for the circulator that wirelessly tests the speed is only two minutes, with installing traditional circulator
Need compare within 30 minutes, substantially reduce the working time, without the bullet that should be noted switch when improving operating efficiency, and installing
Whether spring energy discharges, and will not threaten the personal safety of operating personnel again, avoids mechanical wounding, and installation is simpler, test
It is safer.The wireless measurement error that circulator can avoid original test lead loose contact from bringing that tests the speed, greatly reduces examination
The repetitive rate tested.
Brief description of the drawings
Fig. 1 is principle schematic of the present utility model.
Fig. 2 is in the utility model at switch rotary, the attachment structure of electromagnetic absorption device and synchronous rotating device is illustrated
Figure.
In accompanying drawing, 1 represents synchronous rotating device, and 2 represent optically measuring speeds device, and 3 represent radio transmitting device, 4 representation switch
Control cabinet, 5 represent central processing unit, and 6 representation signal sources, 7 represent current acquisition module, and 8 represent voltage input, and 9 represent clamp electricity
Current transformer, 10 represent upper port, and 11 represent lower port, and 12 represent electromagnet, and 13 represent connecting rod, and 14 represent fixed plate, and 15
Rotating disk is represented, at 16 representation switch rotations.
Embodiment
The utility model is elaborated with specific embodiment below in conjunction with the accompanying drawings：
Specific embodiment, as shown in figure 1, a kind of detecting system of two sides earth test SF6 switch mechanical properties, including open
Close characteristic tester, with switch rotary 16 circulators that test the speed being fixedly connected, output end and the switch of the circulator that tests the speed control
Case 4 connects, and described switching characteristic tester is two sides earth switching characteristic tester, two sides earth switching characteristic tester bag
Include the signal source 6 being connected with central processing unit 5, current acquisition module 7 and voltage input 8, one end and the upper end of switch of signal source 6
Mouthfuls 10 connections, the other end are connected with the lower port 11 of switch, and upper port 10 is connected to ground, the linkage section on lower port 11 and ground clamp into
Clamp current transformer 9, the output end of clamp current transformer 9 are connected with current acquisition module 7, the output end of voltage input 8 with
Switch control box 4 connects；
The circulator that tests the speed is the wireless circulator that tests the speed, and the circulator that wirelessly tests the speed includes electromagnetic absorption device, synchronous rotary fills
1, radio transmitting device 3, the optically measuring speeds device 2 for measuring the anglec of rotation of synchronous rotating device 1 are put, synchronous rotating device 1 is borrowed
16 absorption at electromagnetic absorption device and switch rotary are helped to fix, the output end of optically measuring speeds device 2 is by radio transmitting device 3 with opening
The connection of control cabinet 4 is closed to carry out data transmission.
As to further improvement of the utility model, two sides earth switching characteristic tester also includes and central processing unit
The wireless module of 5 connections, the antenna being connected with wireless module.Being wirelessly transferred can effectively avoid due to the bad caused survey of wiring
The appearance of situations such as test result exception so that test result is more accurate.
As to further improvement of the utility model, two sides earth switching characteristic tester also includes and central processing unit
Print window, clock/calendar, memory, operation keyboard, the liquid crystal display of 5 connections, in addition to the contrast being connected with liquid crystal display are adjusted
Save module.Additional function facility it is perfect, make the function of instrument more complete, without continually lift bar, wiring, when in use more
Add simple and convenient.Menu in Chinese prompting is provided with liquid crystal display, can be with display switch branch wire time, more intuitive and convenient.It is double
Guidance panel is provided with the ground connection switching characteristic tester of end, current output terminal, voltage output end are provided with guidance panel
Son, manual opening-closing operation button, direct voltage output adjustment knob, contrast adjustment button, download program mouth, ground terminal,
Test power input AC220V ports, test power switch and working power switch, it is more convenient during operation.
As to further improvement of the utility model, electromagnetic absorption device includes electromagnet 12, fixed with electromagnet 12
The connecting rod 13 of connection, synchronous rotating device 1 are fixedly connected with connecting rod 13, and electromagnet 12 and 16 absorption at switch rotary are solid
It is fixed, firm and reliable connection.The diameter of connecting rod 13 is less than or equal to the diameter of electromagnet 12, and sufficiently large contact area to connect
Firm and reliable connection between bar 13 and electromagnet 12, while make connecting rod 13 that there is sufficiently large intensity to drive synchronous rotary to fill
1 is put to rotate together.
As to further improvement of the utility model, synchronous rotating device 1 includes fixed plate 14, fixed with fixed plate 14
The rotating disk 15 of connection, fixed plate 14 are fixedly connected with electromagnetic absorption device.The diameter of fixed plate 14 be more than the diameter of connecting rod 13,
Less than the diameter of rotating disk 15, the contact area between rotating disk 15 and connecting rod 13 can be increased using fixed plate 14, connection is more
Add solid and reliable.
Include light beam generator and velocity arithmetic CPU as to further improvement of the utility model, optically measuring speeds device 2,
Light beam generator is connected with velocity arithmetic CPU, and velocity arithmetic CPU output end is by radio transmitting device 3 and switch control box 4
Connection, optically measuring speeds device 2 utilizes the light beam wireless measurement anglec of rotation, after velocity arithmetic CPU computings, you can draw required
Angle value, it is simple in construction, it is easy to operate.
As to further improvement of the utility model, radio transmitting device 3 is Bluetooth transmission device, low in energy consumption, to human body
Endanger small, and application is simple, easily realizes.
The utility model is when specifically used：Between connecting rod 13 and electromagnet 12, between fixed plate 14 and connecting rod 13,
All it is coaxially disposed and is fixedly connected between rotating disk 15 and fixed plate 14, electromagnet 12 is adsorbed 16 at switch rotary, is opened
When closing 16 rotation at rotation, band motor magnet 12, connecting rod 13, fixed plate 14, rotating disk 15 rotate together, make rotating disk 15 with
16 spinning movement is consistent at switch rotary, and truly the situation of reactive switches action, according to shown in Fig. 2, both-end is connect
A, B, C three-phase of the road signal wire of A, B, C tri- of ground switching characteristic tester respectively with switch connects one to one, and is sent out using light beam
The anglec of rotation for the light beam wireless measurement rotating disk 15 that raw device is sent, after velocity arithmetic CPU computings, you can show that switch is dynamic
The truth of work, the anglec of rotation obtained after velocity arithmetic CPU computings is finally sent to switch using radio transmitting device 3
Control cabinet 4；
While the anglec of rotation is measured, the power switch of two sides earth switching characteristic tester is opened, signal source 6 exports
One current signal, the two-port of switch is added, when the upper port 10 of switch is in open position with lower port 11, with switch
Lower port 11 connect clamp current transformer 9 in no signal current, current acquisition module 7 gather current signal be zero,
When switch is in by assigning to during conjunction, there is electric current sensing in clamp current transformer 9, current acquisition module 7 collects
Current signal, now catch current acquisition when at the time of be closing time destination node, and then realize switch measurement of the closing time of circuit breaker, divide
Lock is the inverse process to close a floodgate, need to only catch the current break moment as opening time destination node, closing time destination node is with dividing
Difference between lock time destination node is to realize the testing time needed for separating brake, and switch control box 4 is according to testing time, rotation
Angle can calculate rotary speed, wherein, the Computing Principle of rotary speed is：W=θ/t, v=w*r=θ * r/t, w are angle speed
Degree, v are linear velocity, and θ is the anglec of rotation at switch rotary, and t is the testing time, and r is the radius of turn of rotating disk 15.
The utility model can test the testing time needed for switch separating brake and rotation simultaneously in the case of not dismounting ground wire
Gyration, accurate measurement, test repeatability can be good.The process contacted in many ways is eliminated, has saved the working time, eliminates dismounting
The work of ground wire, site safety coefficient is improved, simplifies experiment process.The wireless circulator that tests the speed is cumbersome without carrying out manually
Fixation, the set-up time is only two minutes, compared with installing traditional circulator and needing 30 minutes, when substantially reducing work
Between, whether discharged when improving operating efficiency, and installing without the spring energy that should be noted switch, operator will not be threatened again
The personal safety of member, installation is simpler, and test is safer.Being wirelessly transferred can effectively avoid due to the bad caused test of wiring
The appearance of situations such as results abnormity so that test result is more accurate.
Claims (7)
1. a kind of detecting system of two sides earth test SF6 switch mechanical properties, including switching characteristic tester and switch rotary
The circulator that tests the speed that place (16) is fixedly connected, the output end for the circulator that tests the speed are connected with switch control box (4), it is characterised in that：
Described switching characteristic tester is two sides earth switching characteristic tester, and two sides earth switching characteristic tester includes and center
Signal source (6), current acquisition module (7) and the voltage input (8) of processor (5) connection, one end of signal source (6) are upper with switching
Port (10) connection, the other end are connected with the lower port (11) switched, and upper port (10) is connected to ground, lower port (11) and ground
Linkage section clamps to be connected into clamp current transformer (9), the output end of clamp current transformer (9) with current acquisition module (7), control
The output end of source (8) processed is connected with switch control box (4)；
For the circulator that tests the speed for the wireless circulator that tests the speed, the circulator that wirelessly tests the speed includes electromagnetic absorption device, synchronous rotating device
(1), radio transmitting device (3), the optically measuring speeds device (2) for measuring synchronous rotating device (1) anglec of rotation, synchronous rotary dress
Put (1) to fix by (16) absorption at electromagnetic absorption device and switch rotary, the output end of optically measuring speeds device (2) passes by wireless
Defeated device (3) is connected with switch control box (4) to carry out data transmission.
2. a kind of detecting system of two sides earth test SF6 switch mechanical properties according to claim 1, its feature exist
In：Described two sides earth switching characteristic tester also includes the wireless module and wireless module being connected with central processing unit (5)
The antenna of connection.
3. a kind of detecting system of two sides earth test SF6 switch mechanical properties according to claim 1, its feature exist
In：Described two sides earth switching characteristic tester also include be connected with central processing unit (5) print window, clock/calendar,
Memory, operation keyboard, liquid crystal display, in addition to the contrast adjustment module being connected with liquid crystal display.
4. a kind of detecting system of two sides earth test SF6 switch mechanical properties according to claim 1, its feature exist
In：The connecting rod (13) that described electromagnetic absorption device includes electromagnet (12), is fixedly connected with electromagnet (12), synchronous rotary
Device (1) is fixedly connected with connecting rod (13), and electromagnet (12) is fixed with (16) absorption at switch rotary.
5. a kind of detecting system of two sides earth test SF6 switch mechanical properties according to claim 1, its feature exist
In：The rotating disk (15) that described synchronous rotating device (1) includes fixed plate (14), is fixedly connected with fixed plate (14), it is fixed
Plate (14) is fixedly connected with electromagnetic absorption device.
6. a kind of detecting system of two sides earth test SF6 switch mechanical properties according to claim 1, its feature exist
In：Described optically measuring speeds device (2) includes light beam generator and velocity arithmetic CPU, and light beam generator connects with velocity arithmetic CPU
Connect, velocity arithmetic CPU output end is connected by radio transmitting device (3) with switch control box (4).
7. a kind of detecting system of two sides earth test SF6 switch mechanical properties according to claim 1, its feature exist
In：Described radio transmitting device (3) is Bluetooth transmission device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201721123738.2U CN207215447U (en) | 2017-09-04 | 2017-09-04 | A kind of detecting system of two sides earth test SF6 switch mechanical properties |
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| CN201721123738.2U CN207215447U (en) | 2017-09-04 | 2017-09-04 | A kind of detecting system of two sides earth test SF6 switch mechanical properties |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298332A (en) * | 2018-11-29 | 2019-02-01 | 广东电网有限责任公司 | A kind of portable beaker characteristic test device |
-
2017
- 2017-09-04 CN CN201721123738.2U patent/CN207215447U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109298332A (en) * | 2018-11-29 | 2019-02-01 | 广东电网有限责任公司 | A kind of portable beaker characteristic test device |
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