CN105319502B - Disconnection test of mining disconnector device and test method - Google Patents
Disconnection test of mining disconnector device and test method Download PDFInfo
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- CN105319502B CN105319502B CN201510838841.4A CN201510838841A CN105319502B CN 105319502 B CN105319502 B CN 105319502B CN 201510838841 A CN201510838841 A CN 201510838841A CN 105319502 B CN105319502 B CN 105319502B
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- 238000012360 testing method Methods 0.000 title claims abstract description 60
- 238000005065 mining Methods 0.000 title claims abstract description 20
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- 230000007246 mechanism Effects 0.000 claims abstract description 37
- 238000002474 experimental method Methods 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims abstract description 7
- 238000005259 measurement Methods 0.000 claims description 12
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- 229910000831 Steel Inorganic materials 0.000 claims description 4
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- 239000012530 fluid Substances 0.000 description 1
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- 239000012535 impurity Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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Abstract
The invention belongs to low-voltage electrical apparatus experimental technique field more particularly to a kind of disconnection test of mining disconnector device and test methods.It is to be connected with rotating cylinder by the execution unit of pneumatic mechanism, rotating cylinder main shaft is connected, the other end of rotating cylinder is connected with manual lever, the other end of main shaft is connected with one end of connector, and the other end of connector is connected with disconnecting switch drive shaft, and disconnecting switch drive shaft is connected with disconnecting switch, pneumatic mechanism is connected by mechanical connecting element with hydraulic mechanism, hydraulic mechanism is fixed on chassis, and the both ends on chassis are connected with the bottom of side wall, and workbench is connected on side wall.The present invention directly drives disconnecting switch action using pneumatic mechanism, and hydraulic mechanism adjusts the vertical height of experimental rig, has many advantages, such as that simple in structure, easy to operate, reliability is high, stability is good；Meanwhile device is acted using remote controlled manner, has prevented the security risk that experiment process pulls operation.
Description
Technical field
The invention belongs to low-voltage electrical apparatus experimental technique field more particularly to a kind of disconnection test of mining disconnector device and
Test method.
Background technology
Disconnecting switch is the main element of the mining equipments such as soft strater, frequency converter, feeding switch, in answering for coal mine field
It is very wide with foreground.Disconnecting switch plays the role of voltage isolation, performance quality direct relation coal mine electric power in a device
System safety work.Currently, the main problem that mining disconnecting switch and its Related product detection are examined is exactly disjunction needs
By manual operation, Reliability of Microprocessor and poor controllability, it is difficult to which analog isolation switchs practical disjunction situation.
Invention content
For the above-mentioned prior art the problem of, the present invention propose a kind of disconnection test of mining disconnector device
And test method, purpose provide a kind of experimental rig and method simple in structure, easy to operate, reliability is high, stability is good.
The purpose of the present invention is what is be achieved through the following technical solutions：
Disconnection test of mining disconnector device and test method, including pneumatic mechanism, hydraulic mechanism, manual lever,
Rotating cylinder, main shaft, connector, disconnecting switch drive shaft, disconnecting switch, workbench, side wall, chassis and universal wheel；Wherein gas
The execution unit of motivation structure is connected with rotating cylinder, and one end of rotating cylinder is connected with main shaft, the other end of rotating cylinder and manually
Operating lever is connected, and the other end of main shaft is connected with one end of connector, the other end and disconnecting switch drive shaft of connector
It is connected, disconnecting switch drive shaft is connected with disconnecting switch, and pneumatic mechanism is connected by mechanical connecting element with hydraulic mechanism
It connects, hydraulic mechanism is fixed on chassis, and the both ends on chassis are connected with the bottom of side wall, and workbench is connected on side wall.
The chassis lower end is connected with lockable universal wheel.
The pneumatic mechanism is the dynamical element of entire experimental rig, including motor, air compressor, muffler,
Gas tank, filter, control valve, oil sprayer, flow control valve, flowmeter, cylinder and gas pipeline；Wherein motor and air
Compressor is connected, and air compressor is connected with gas tank, and gas tank is connected by gas pipeline with filter, the output of filter
End is connected by gas pipeline with control valve, and the output end of control valve is connected by gas pipeline with one end of oil sprayer
It connects, the other end of oil sprayer is connected by gas pipeline with flow control valve, and the output end of flow control valve passes through appendix
Road is connected with flowmeter, and the output end of flowmeter is connected by gas pipeline with cylinder.
It is equipped with muffler on the air compressor and control valve.
The disconnection test of mining disconnector line map is the output end by power supply and prime impedance A, prime impedance
The B prime impedance A that are connected are resistance, and prime impedance B is reactance, and resistance connects with reactance, prime impedance A and prime impedance B's
The other end is connected with the end of incoming cables of test product, and the leading-out terminal of test product is connected with rear class impedance A, rear class impedance B, rear class impedance A
For resistance, rear class impedance B is reactance, and resistance is connected with reactance, and the other end of rear class impedance A and rear class impedance B are surveyed by electric current
Amount port is connected with earth point, voltage measurement port A and voltage measurement port B respectively with circuit both ends and the both ends phase of test product
Connection, mains neutral point are connected with fuse, and the other end of fuse is connected with current-limiting resistance, the other end of current-limiting resistance
It is connected with steel plate with shell or survey arcing, adjusts and be in parallel with test product with interim connection, made when debugging test electric current before testing
With being removed after current calibration.
The mains neutral point is replaced with artificial neutral point.
Disconnection test of mining disconnector method：
The impedance for realizing circuit is adjusted according to the current value of test product first, i.e., is for air type disconnecting switch breaking current
Its rated operational current, vacuum type disconnecting switch breaking current are 6 times of its rated current, keep the time of expected test current normal
Number and amplitude meet test requirements document；
Secondly, control air compressor is that pneumatic device stores experiment high pressure gas；
Then firing test system is instructed to pneumatic mechanism sending action, and it is complete to rotate driving disconnecting switch by rotating cylinder
At segmentation test operation, while using parameters such as oscillograph acquisition segmented current, voltage, times, and carry out data storage；
Finally, experimental instruments are arranged, and require to carry out test result judgement according to test result and standard.
Advantages of the present invention and advantageous effect are：
Apparatus of the present invention directly drive disconnecting switch action using pneumatic mechanism, and hydraulic mechanism adjusts the vertical of experimental rig
Highly, have many advantages, such as that simple in structure, easy to operate, reliability is high, stability is good；Meanwhile device uses remote controlled manner
Action, has prevented the security risk that experiment process pulls operation.
The specific implementation process of the present invention is described in detail in the following with reference to the drawings and specific embodiments.
Description of the drawings
Fig. 1 is disconnection test of mining disconnector operating device structure chart of the present invention；
Fig. 2 is pneumatic mechanism structure diagram of the present invention；
Fig. 3 is test circuit figure of the present invention
In figure, 1 shaft；2 connectors；3 disconnecting switch drive shafts；4 disconnecting switch；5 workbench；6 side walls；7 turns
Dynamic cylinder；8 manual levers；9 pneumatic mechanisms；10 hydraulic mechanisms；11 chassis；12 universal wheels；13 motor；14 air pressures
Contracting machine；15 mufflers；16 gas tanks；17 filters；18 control valves；19 oil sprayers；20 flow control valves；21 flows
Meter；22 cylinders；23 gas pipelines, 24 power supplys, 25 prime impedance A, 26 prime impedance B, 27 rear class impedance A, 28 rear class impedances
B, 29 test products, 30 current-limiting resistances, 31 voltage measurement port A, 32 voltage measurement port B, 33 current measurement ports, 34 fuses,
35 adjust with interim connection, 36 mains neutral points, 37 earth points, 38 shells or survey arcing steel plate.
Specific implementation mode
The present invention is a kind of disconnection test of mining disconnector device and test method, disconnection test of mining disconnector behaviour
Make device and pneumatic mechanism be as shown in Figure 1 and Figure 2,
Disconnection test of mining disconnector operating device structure is as shown in Fig. 1, and the device is by pneumatic mechanism 9, hydraulic press
Structure 10, manual lever 8, rotating cylinder 7, main shaft 1, connector 2, disconnecting switch drive shaft 3, disconnecting switch 4, workbench 5,
Side wall 6, chassis 11 and universal wheel 12 form.Wherein the execution unit of pneumatic mechanism 9 is connected with rotating cylinder 7, and the one of rotating cylinder 7
End is connected with main shaft 1, and the other end of rotating cylinder 7 is connected with manual lever 8, the other end of main shaft 1 and the one of connector 2
End is connected, and the other end of connector 2 is connected with disconnecting switch drive shaft 3,4 phase of disconnecting switch drive shaft 3 and disconnecting switch
Connection, the lower end of pneumatic mechanism 9 are connected by mechanical connecting element with the upper end of hydraulic mechanism 10, the lower end of hydraulic mechanism 10
It is fixed on chassis 11, the both ends on chassis 11 are connected with the bottom of side wall 6, and workbench 5 is fixed on 6 centre position of side wall, bottom
11 lower end of disk is equipped with universal wheel 12.When experimental rig works, pneumatic mechanism drives shaft rotation, coaxial disconnecting switch drive shaft
Disconnecting switch breaking operation is completed in movement.Manual lever can realize the manual divide-shut brake action of device.Universal wheel facilitates experiment
The movement of device, while universal wheel carries locking function.Hydraulic mechanism can adjust experiment dress with vertically-acting according to product height
The position set allows switch to do the product testing of different height.
Pneumatic mechanism 9 of the present invention is the dynamical element of entire experimental rig, by motor 13, air compressor
14, muffler 15, gas tank 16, filter 17, control valve 18, oil sprayer 19, flow control valve 20, flowmeter 21, cylinder 22
It is formed with gas pipeline 23.Wherein the output end of motor 13 is connected with the input terminal of air compressor 14, air compressor
14 output end is connected with the input terminal of gas tank 16, the input that the output end of gas tank 16 passes through gas pipeline 23 and filter 17
End is connected, and the output end of filter 17 is connected by gas pipeline 23 with the input terminal of control valve 18, control valve 18
Output end be connected with one end of oil sprayer 19 by gas pipeline 23, the other end of oil sprayer 19 passes through 23 He of gas pipeline
The input terminal of flow control valve 20 is connected, the input that the output end of flow control valve 20 passes through gas pipeline 23 and flowmeter 21
End is connected, and the output end of flowmeter 21 is connected by gas pipeline 23 with cylinder 22.Two mufflers 15 are separately mounted to
On air compressor 14 and control valve 18.Motor rotation with engine-driven air compressor by the air under atmospheric condition be compressed to compared with
After high-pressure state in storage to gas tank, the air for opening control valve compression passes through filter, flow control valve and flow
Device drives cylinder moving, cylinder moving that disconnecting switch is driven to complete breaking operation.Silencer is mounted on the output end of control valve,
Reduce the high-frequency noise that air drastically expands and pressure change generates；Filter filters out the impurity such as the vapor in gas, protects
Demonstrate,prove the clean of gas.Oil sprayer is connected with control valve, and common fluid lubricant, which is turned to subtle mist of oil, injects compression
Air in, flow to sliding position with air-flow, play lubricating action.
Disconnection test of mining disconnector line map as shown in figure 3, wherein the output end of power supply 24 and prime impedance A25,
Prime impedance B26 is connected prime impedance A25 for resistance, and prime impedance B26 is reactance, and resistance is connected with reactance, prime impedance
The other end of A25 and prime impedance B26 are connected with the end of incoming cables of test product 29, the leading-out terminal of test product 29 and rear class impedance A27, after
Grade impedance B28 is connected, and rear class impedance A27 is resistance, and rear class impedance B28 is reactance, and resistance is connected with reactance, rear class impedance
The other end of A27 and rear class impedance B28 are connected by current measurement port 33 with earth point 37, voltage measurement port A31 and
Voltage measurement port B 32 is connected with the both ends at circuit both ends and test product 29 respectively, mains neutral point（Or artificial neutral point）36
It is connected with fuse 34, the other end of fuse 34 is connected with current-limiting resistance 30, the other end and shell of current-limiting resistance 30
Or survey arcing steel plate 38 and be connected, it adjusts and is in parallel with test product 29 with interim connection 35, made when debugging test electric current before testing
With being removed after current calibration.Mains neutral point 36 can also be artificial neutral point.
A kind of disconnection test of mining disconnector method of the present invention, including：
The impedance for realizing circuit is adjusted according to the current value of test product first, i.e., is for air type disconnecting switch breaking current
Its rated operational current, vacuum type disconnecting switch breaking current are 6 times of its rated current, keep the time of expected test current normal
Number and amplitude meet test requirements document.Secondly, control air compressor is that pneumatic device stores experiment high pressure gas.Then start
Pilot system is instructed to pneumatic mechanism sending action, and rotating driving disconnecting switch by rotating cylinder completes Sectional Test operation, together
Shi Liyong oscillographs acquire the parameters such as segmented current, voltage, time, and carry out data storage.Finally, it arranges laboratory apparatus and sets
It is standby, and require to carry out test result judgement according to test result and standard.
Claims (3)
1. disconnection test of mining disconnector device, it is characterized in that：Including pneumatic mechanism（9）, hydraulic mechanism（10）, manual operation
Bar（8）, rotating cylinder（7）, main shaft（1）, connector（2）, disconnecting switch drive shaft（3）, disconnecting switch（4）, workbench（5）、
Side wall（6）, chassis（11）And universal wheel（12）；Wherein pneumatic mechanism（9）Execution unit and rotating cylinder（7）It is connected, rotates
Cylinder（7）One end and main shaft（1）It is connected, rotating cylinder（7）The other end and manual lever（8）It is connected, main shaft（1）It is another
One end and connector（2）One end be connected, connector（2）The other end and disconnecting switch drive shaft（3）It is connected, keeps apart
Close drive shaft（3）And disconnecting switch（4）It is connected, pneumatic mechanism（9）Pass through mechanical connecting element and hydraulic mechanism（10）It is connected
It connects, hydraulic mechanism（10）It is fixed on chassis（11）On, chassis（11）Both ends and side wall（6）Bottom be connected, workbench（5）
It is connected to side wall（6）On；
The chassis（11）Lower end is connected with lockable universal wheel（12）；
The pneumatic mechanism（9）It is the dynamical element of entire experimental rig, including motor（13）, air compressor（14）、
Muffler（15）, gas tank（16）, filter（17）, control valve（18）, oil sprayer（19）, flow control valve（20）, flowmeter
（21）, cylinder（22）And gas pipeline（23）；Wherein motor（13）And air compressor（14）It is connected, air compressor
（14）And gas tank（16）It is connected, gas tank（16）Pass through gas pipeline（23）And filter（17）Connection, filter（17）It is defeated
Outlet passes through gas pipeline（23）And control valve（18）It is connected, control valve（18）Output end pass through gas pipeline（23）
And oil sprayer（19）One end be connected, oil sprayer（19）The other end pass through gas pipeline（23）And flow control valve（20）Phase
Connection, flow control valve（20）Output end pass through gas pipeline（23）And flowmeter（21）It is connected, flowmeter（21）It is defeated
Outlet passes through gas pipeline（23）And cylinder（22）It is connected；
The air compressor（14）And control valve（18）On be equipped with muffler（15）；
The line map of the disconnection test of mining disconnector device：It is by power supply（24）Output end and prime impedance A（25）
It is connected, prime impedance A（25）For resistance, prime impedance B（26）For reactance, resistance is connected with reactance, prime impedance B（26）'s
The other end and test product（29）End of incoming cables be connected, test product（29）Leading-out terminal and rear class impedance A（27）It is connected, rear class impedance
A（27）For resistance, rear class impedance B（28）For reactance, resistance is connected with reactance, rear class impedance B（28）The other end pass through electric current
Measurement port（33）It is connected, current measurement port（33）The other end and earth point（37）It is connected, voltage measurement port A
（31）With voltage measurement port B（ 32）Respectively with prime impedance B（26）To test product（29）Between circuit both ends and test product（29）'s
Both ends are connected, mains neutral point（36）With fuse（34）It is connected, fuse（34）The other end and current-limiting resistance（30）
It is connected, current-limiting resistance（30）The other end and shell or survey arcing steel plate（38）It is connected, adjusts with interim connection（35）
With test product（29）It is in parallel, uses when debugging test electric current before testing, removed after current calibration.
2. disconnection test of mining disconnector device according to claim 1, it is characterized in that：The mains neutral point
（36）It is replaced with artificial neutral point.
3. the method tested using disconnection test of mining disconnector device as described in claim 1, it is characterized in that：
The impedance for realizing circuit is adjusted according to the current value of test product first, i.e., is its volume for air type disconnecting switch breaking current
Determine operating current, vacuum type disconnecting switch breaking current is 6 times of its rated current, make expected test current time constant and
Amplitude meets test requirements document；
Secondly, control air compressor is that pneumatic mechanism stores experiment high pressure gas；
Then firing test device is instructed to pneumatic mechanism sending action, and driving disconnecting switch completion point is rotated by rotating cylinder
Section test operation, while using oscillograph acquisition segmented current, voltage, time parameter, and carry out data storage；
Finally, experimental instruments are arranged, and require to carry out test result judgement according to test result and standard.
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| CN201510838841.4A CN105319502B (en) | 2015-11-27 | 2015-11-27 | Disconnection test of mining disconnector device and test method |
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| CN105319502B true CN105319502B (en) | 2018-10-19 |
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| DE102017208648A1 (en) * | 2017-05-22 | 2018-11-22 | Siemens Aktiengesellschaft | Diagnostic soft starter, diagnostic procedure and motor arrangement |
| CN108231457A (en) * | 2017-12-28 | 2018-06-29 | 施耐德万高（天津）电气设备有限公司 | A kind of disconnecting switch closing-opening device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201464615U (en) * | 2009-06-12 | 2010-05-12 | 河南平高电气股份有限公司 | Testing device for high voltage isolating switches |
| CN103499788A (en) * | 2013-09-23 | 2014-01-08 | 中煤科工集团上海研究院 | Operating device for disconnection test of mining disconnector |
| CN205317900U (en) * | 2015-11-27 | 2016-06-15 | 国家电网公司 | Mining isolator divides disconnected test device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5317724B2 (en) * | 2009-01-28 | 2013-10-16 | 中国電力株式会社 | Switch remote monitoring method, switch remote monitoring system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201464615U (en) * | 2009-06-12 | 2010-05-12 | 河南平高电气股份有限公司 | Testing device for high voltage isolating switches |
| CN103499788A (en) * | 2013-09-23 | 2014-01-08 | 中煤科工集团上海研究院 | Operating device for disconnection test of mining disconnector |
| CN205317900U (en) * | 2015-11-27 | 2016-06-15 | 国家电网公司 | Mining isolator divides disconnected test device |
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