CN105676048B - A kind of switch cabinet of converting station switch secondary circuit detection device - Google Patents
A kind of switch cabinet of converting station switch secondary circuit detection device Download PDFInfo
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- CN105676048B CN105676048B CN201610031767.XA CN201610031767A CN105676048B CN 105676048 B CN105676048 B CN 105676048B CN 201610031767 A CN201610031767 A CN 201610031767A CN 105676048 B CN105676048 B CN 105676048B
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- 238000001514 detection method Methods 0.000 title claims abstract description 102
- 238000004146 energy storage Methods 0.000 claims abstract description 64
- 230000004224 protection Effects 0.000 claims description 17
- 238000005259 measurement Methods 0.000 claims description 8
- 230000005611 electricity Effects 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 description 7
- 238000012360 testing method Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000007257 malfunction Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000001012 protector Effects 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
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
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Abstract
A kind of switch cabinet of converting station switch secondary circuit detection device, including the first DC power supply, the second DC power supply, jump/closing circuit detection unit, spring energy-storage circuit detection unit, auxiliary contact detection unit；The jump/closing circuit detection unit is connect with jump/closing circuit in switchgear, it is that the jump/closing circuit detection unit being connected and jump/closing circuit are powered using first DC power supply, the jump/closing circuit detection unit controls and shows the on off operating mode of the switch jump/closing circuit；Spring energy-storage circuit detection unit is connect with the spring energy-storage circuit in switchgear, it is the spring energy-storage circuit detection unit being connected and spring energy-storage loop power supply using first DC power supply, spring energy-storage circuit detection unit controls and shows the on off operating mode of the energy storage motor loop；The auxiliary contact detection unit is connect with the switch internal auxiliary contact in switchgear, second DC power supply is used to be the auxiliary contact detection unit being connected and auxiliary contact power supply, and the auxiliary contact detection unit shows the on off operating mode of the auxiliary contact.
Description
Technical field
The present invention relates to electric equipment detectors, and in particular to a kind of handcart-type switch cabinet of converting station switch secondary circuit
Trouble shoot device.
Background technology
Switchgear is a kind of power equipment, generated electricity in electric system, transmitted electricity, the conversion of distribution and electric energy during,
Play the role of control and protection electrical equipment.Auxiliary circuits in cabinet be switchgear protection and measure part wiring,
Effect be in switchgear element and current supply circuit protected and measured, specifically include measuring instrumentss, indicator light, button and open
The connection circuit of pass and various relay protections, it is seen that the normal work of auxiliary circuits in cabinet is most important to switchgear.
The fault detection approach of existing auxiliary circuits in cabinet be additional power source after using multimeter to each circuit progress
It measures, i.e., switchgear is pulled to testing position, secondary circuit is powered on, measure each circuit connection point one by one using multimeter
Current potential, to judge secondary circuit whether there is failure；The fault detect of switch auxiliary contact then needs to utilize multimeter
Break-make shelves carry out break-make measurement.Such detection mode frequent powered up to auxiliary circuits in cabinet, can be to two in switchgear
Minor loop forms impact, causes secondary loop short circuit, secondary device can be also damaged when serious, and cannot judge inside Switch main body
Whether auxiliary contact have correctly been opened or closed.It can be seen that manually using each in multimeter one by one detection switch cabinet
The mode efficiency in circuit is low and fragile equipment.
Invention content
Therefore, the technical problem to be solved in the present invention is to overcome auxiliary circuits in cabinet detection mode in the prior art
Efficiency is low and the defect of fragile equipment.
In view of this, the present invention provides a kind of switch cabinet of converting station switch secondary circuit detection device, including the first direct current
Power supply, the second DC power supply, jump/closing circuit detection unit, spring energy-storage circuit detection unit, auxiliary contact detection unit；
The jump/closing circuit detection unit is connect with jump/closing circuit in switchgear, and first DC power supply is used
It powers in for the jump/closing circuit detection unit being connected and jump/closing circuit, the jump/closing circuit detection unit is used for
Control and show the on off operating mode of the jump/closing circuit；
Spring energy-storage circuit detection unit is connect with the spring energy-storage circuit in switchgear, first DC power supply
For the spring energy-storage circuit detection unit and spring energy-storage loop power supply to be connected, spring energy-storage circuit detection unit
On off operating mode for controlling and showing the spring energy-storage circuit；
The auxiliary contact detection unit is connect with the switch auxiliary contact in switchgear, and second DC power supply is used for
It powers for the auxiliary contact detection unit being connected and the switch auxiliary contact, the auxiliary contact monitoring unit is shown
The on off operating mode of the switch auxiliary contact.
Further, the jump/closing circuit detection unit includes：Light emitting diode, partial pressure device, button and protector
Part, first DC power supply connect the jump/closing circuit by the protection device, and the button is for connecting the guarantor
Protect device, first DC power supply connect with the partial pressure device by the light emitting diode that is serially connected the jump/
Closing circuit indicates the on off operating mode of the jump/closing circuit by the state of the light emitting diode.
Further, the protection device is electric current relay.
Further, spring energy-storage circuit detection unit includes：Light emitting diode, partial pressure device, energy storage switch, institute
It states the first DC power supply and connecting spring tank circuit is switched by the energy storage, first DC power supply is by being serially connected
The light emitting diode connects the spring energy-storage circuit with the partial pressure device, is indicated by the state of the light emitting diode
Working condition in the spring energy-storage circuit.
Further, the partial pressure device is high resistance measurement or voltage relay.
Further, the auxiliary contact detection unit includes light emitting diode and resistance, and second DC power supply is logical
The light emitting diode being serially connected and resistance is crossed to connect with the switch auxiliary contact in switchgear.
Further, the prompt device is light emitting diode or audible-visual annunciator.
Further, first DC power supply, the second DC power supply, jump/closing circuit detection unit, spring energy-storage return
The connecting pin of road detection unit, auxiliary contact detection unit and switchgear is integrated in aviation plug.
Switch cabinet of converting station is provided according to the present invention and switchs secondary circuit detection device, and testing staff can utilize jump/combined floodgate
The on off operating mode of the control of circuit detection unit and display switch jump/closing circuit, to detection switch jump/closing circuit whether
There are failures；Testing staff controls using spring energy-storage circuit detection unit and shows simultaneously the break-make shape in spring energy-storage circuit
State, to which detection spring tank circuit whether there is failure；Testing staff can also be according to the display of auxiliary contact detection unit
The on off operating mode for judging each auxiliary contact of switch internal whether there is failure to detect each auxiliary contact.The device can with gram
Checking process is cumbersome caused by clothes are measured one by one using multimeter, frequent powers up and is easily damaged to secondary circuit and cannot be accurate
The problem of judging switch internal contact working condition can effectively reduce trouble shoot and detection time, improve detection efficiency, and
The device uses mutually independent two power supplies, ensures that switch internal heavy-current control part and light current auxiliary contact are completely real
It is now electrically isolated, prevents to lead to the generation of power supply series-parallel connection short circuit phenomenon because of failure.
Description of the drawings
In order to make the content of the present invention more clearly understood, it below according to specific embodiments of the present invention and combines
Attached drawing, the present invention is described in further detail, wherein
Fig. 1 is the structural schematic diagram of switch cabinet of converting station switch secondary circuit detection device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of jump/closing circuit detection unit in detection device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the spring energy-storage circuit detection unit in detection device provided in an embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the switch auxiliary contact detection unit in detection device provided in an embodiment of the present invention.
Specific implementation mode
As shown in Figure 1, the present embodiment provides a kind of switch cabinet of converting station switch secondary circuit detection device, including first straight
Galvanic electricity source 11, the second DC power supply 21, jump/closing circuit detection unit 12, spring energy-storage circuit detection unit 14, auxiliary contact
Detection unit 22.
Wherein, jump/closing circuit detection unit 12 is connect with jump/closing circuit 13 in switchgear, the first DC power supply
11 be that the jump/closing circuit detection unit 12 being connected and jump/closing circuit 13 are powered, and the first DC power supply 11 can utilize outer
Portion's AC power obtains electric energy, and alternating current is converted to the direct current of predetermined voltage, usual first direct current by conversion circuit
The voltage value of power supply 11 is 220V.Such as first DC power supply 11, jump/closing circuit detection unit 12 and jump/closing circuit 13
Can be series relationship, jump/closing circuit detection unit 12 can be controlled artificially and change the tripping in jump/closing circuit 13
The connection status of coil or closing coil and the first DC power supply 11, and then realize control and display switch jump/closing circuit 13
On off operating mode.
Spring energy-storage circuit detection unit 14 is connect with the spring energy-storage circuit 15 in switchgear, and the first DC power supply 11 is
The spring energy-storage circuit detection unit 14 being connected and spring energy-storage circuit 15 power, and the first DC power supply 11 can utilize switch
AC power in cabinet obtains electric energy, and alternating current is converted to the direct current of predetermined voltage by conversion circuit, and usual first
The voltage value of DC power supply 11 is 220V.Such as first DC power supply 11, spring energy-storage circuit detection unit 14 and spring energy-storage
Circuit 15 can be series relationship, and spring energy-storage circuit detection unit 14 can be controlled artificially and change spring energy-storage circuit 15
With the connection status of the first DC power supply 11, and then realizes and control and show the on off operating mode in spring energy-storage circuit 15.
Auxiliary contact detection unit 22 is connect with the switch auxiliary contact 23 in switchgear, and the second DC power supply 21 is for being
The auxiliary contact detection unit 22 and switch auxiliary contact 23 being connected are powered, and the second direct current component 21 can equally utilize switch
AC power in cabinet obtains electric energy, and alternating current is converted to the direct current of predetermined voltage by conversion circuit, according to switch
The working characteristics of auxiliary contact 23 sets supply voltage, and the voltage value of usual second direct current component 21 is 24V, such as the second direct current
Unit 21, auxiliary contact detection unit 22 and switch auxiliary contact 23 can be series relationships, switch the break-make of auxiliary contact 23
State can influence the connection status of auxiliary contact detection unit 22 and the second direct current component 21, to keep auxiliary contact detection single
The state of member 22 can reflect the on off operating mode of switch auxiliary contact 23.It includes that switch trip position is auxiliary to switch auxiliary contact 23
Contact, closing position auxiliary contact, spring unstored energy auxiliary contact, switch cart location assistance contact etc. are helped, can specifically be set
Multiple terminals are set, are connect respectively with each auxiliary contact, to show the on off operating mode of each contact respectively.
Switch cabinet of converting station is provided according to the present invention and switchs secondary circuit detection device, and testing staff can utilize jump/combined floodgate
The on off operating mode of the control of circuit detection unit and display switch jump/closing circuit, to detection switch jump/closing circuit whether
There are failures；Testing staff controls using spring energy-storage circuit detection unit and shows simultaneously the break-make shape of energy storage motor loop
State whether there is failure to detect energy storage motor loop；Testing staff can also be according to the display of auxiliary contact detection unit
The on off operating mode for judging each auxiliary contact of switch internal whether there is failure to detect each auxiliary contact.The device can with gram
Checking process is cumbersome caused by clothes are measured one by one using multimeter, frequent powers up and is easily damaged to secondary circuit and cannot be accurate
The problem of judging switch internal contact working condition can effectively reduce trouble shoot and detection time, improve detection efficiency, and
The device uses mutually independent two power supplies, ensures that switch internal heavy-current control part and light current auxiliary contact are completely real
It is now electrically isolated, prevents to lead to the generation of power supply series-parallel connection short circuit phenomenon because of failure.
It is preferably carried out mode as one, as shown in Fig. 2, above-mentioned jump/closing circuit detection unit 12, can specifically wrap
Include prompt device L1, partial pressure device A, button SA, protection device B.Prompt device L1 connects with partial pressure device A, is connected to jump/conjunction
In lock circuit 1, switchgear jump/closing coil C and jump/closing switch are related generally in jump/closing circuit 1.By prompting device
The state of L1 indicates that the on off operating mode in circuit 1 to be detected, button SA are connected to protection device B in jump/closing circuit 1.Wherein,
Prompt device L1 can be light emitting diode or audible-visual annunciator, the preferred light emitting diode of the present embodiment, light emitting diode it is bright/
Go out show jump/closing circuit 1 it is normal/failure.Partial pressure device A can be high resistance measurement or voltage relay, and the present embodiment is excellent
First voltage relay is selected to be divided, carrying out partial pressure using voltage relay is conducive to switch cabinet of converting station switch secondary returning from now on
The Function Extension of road detection device.Button SA is hand push button, and when button SA is closed, prompt device L1 and partial pressure device A is short
Road, protection device B are connected with jump/closing circuit 1, and 1 voltage of jump/closing circuit increases and generates action.It includes string to protect device B
The relay and its contact of connection can be electric current relays, for protecting jump/closing circuit 1.
Specifically, when switch is after trip position, switch trip in jump/closing circuit, trip(ping) circuit is by switch internal
It is normally opened that normally closed (normally closed i.e. switch disconnects after the closing) auxiliary contact of linkage are allowed to disconnect, closing circuit is linked by switch internal
(normally opened i.e. switch is connected after closing) auxiliary contact are allowed to connect, be divided by light emitting diode monitoring and voltage relay,
In the case of switchgear jump/closing circuit is trouble-free, after lower switch switch knob SA, by light emitting diode and voltage relay
The voltage of short circuit, closing coil increases, and at the same time, in push button SA moments, electric current relay is powered, junction closure,
Self-holding circuit is formed with closing circuit, closing coil is made to pass through the voltage of enough time, by closing coil, will be switched from jump
Gate position is switched to closing position.Similarly, after switch closes a floodgate, by the auxiliary contact of switch internal, closing circuit is made to disconnect, jumped
Lock circuit is connected, and the monitoring to trip(ping) circuit is then started, to the mode of trip(ping) circuit monitoring, with above-mentioned closing circuit.Work as hair
Optical diode does not work, and shows that there are failures in circuit, then carry out malfunction elimination.
It is preferably carried out mode as one, as shown in figure 3, spring energy-storage circuit detection unit 14 includes prompt device
L2, partial pressure device D, manual switch CK.Original state, manual switch CK are disconnected, and are connected after prompting device L2 to connect with partial pressure device D
It is connected in spring energy-storage circuit 2, spring energy-storage circuit 2 includes mainly energy storage motor loop M and switch.Prompt the state of device L2
Indicate that the on off operating mode in spring energy-storage circuit 2, manual switch CK are connected with spring energy-storage circuit 2.Prompt device L2 can be hair
Optical diode or audible-visual annunciator, the preferred light emitting diode of the present embodiment, turning on/off for light emitting diode indicate spring energy-storage circuit
2 normal/failures.Partial pressure device D can be high resistance measurement or voltage relay, and the present embodiment preferentially selects high resistance measurement point
Pressure.
Specifically, when initial, energy storage switch CK is off, and light emitting diode connects after connecting with high resistance measurement
Spring energy-storage circuit plays the role of monitoring spring energy-storage circuit.When light emitting diode is bright, show energy storage motor loop without reason
Barrier, after being closed energy storage switch CK, light emitting diode and high resistance measurement are short-circuited at this time, and then motor tank circuit is connected,
Stored energy mechanism is driven to start to work by energy storage motor；When light emitting diode does not work, show energy storage motor loop there are failure, after
And carry out malfunction elimination.
It is preferably carried out mode as one, as shown in figure 4, above-mentioned auxiliary contact detection unit 22 includes prompt device
L3, protection device E.Prompt device L3 is connected to after connecting with protection device E in switch auxiliary contact 3, prompts the shape of device L3
State indicates that the on off operating mode of switch auxiliary contact 3, protection device E play the role of protecting circuit.Prompt device L3 can be hair
Optical diode or audible-visual annunciator, the present embodiment preferably use light emitting diode, turning on/off for light emitting diode to show the survey time to be checked
Road 3 is normal/failure, protection device E uses resistance.
It specifically, can be to all kinds of normally opened/normally closed auxiliary of switch internal using light emitting diode form in series with a resistor
Contact, energy storing of switch contact, small truck position contact and spare contact is helped to carry out malfunction monitoring.By light emitting diode it is bright/
It goes out, judges the working condition of auxiliary contact.For switching normally-closed contact, the bright expression switch normally-closed contact work shape of light emitting diode
State is normal, and conversely, for switch normally opened contact, light emitting diode, which goes out, indicates that switch contact is in normal operating conditions, similarly,
The status monitoring of his contact passes through light emitting diode condition adjudgement according to actual working state.Above-mentioned preferred embodiment is simple in structure, firmly
Part is at low cost and reliability is stronger.
In addition, above-mentioned first DC power supply, the second DC power supply, jump/closing circuit detection unit, the inspection of spring energy-storage circuit
Surveying the connecting pin of unit, auxiliary contact detection unit and switchgear can be integrated in an aviation plug, correspondingly switchgear
On each tie point being connected with detection device can be integrated in an aviation socket.It in actual use, only need to be by aviation
Plug can be detected operation with Switch main body aviation plug fastening buckle, and above-mentioned preferred embodiment has easy for installation, operation
Simple feature.
Obviously, above-described embodiment is just for the sake of clearly demonstrating example, and does not limit the embodiments.
For those of ordinary skill in the art, other various forms of variations can also be made on the basis of the above description
Or it changes.There is no necessity and possibility to exhaust all the enbodiments.And obvious variation extended from this
Or it changes still within the protection scope of the invention.
Claims (8)
1. a kind of switch cabinet of converting station switchs secondary circuit detection device, which is characterized in that directly including the first DC power supply, second
Galvanic electricity source, jump/closing circuit detection unit, spring energy-storage circuit detection unit, auxiliary contact detection unit；
The jump/closing circuit detection unit is connect with jump/closing circuit in switchgear, and first DC power supply is for being
The jump being connected/closing circuit detection unit and jump/closing circuit power supply, the jump/closing circuit detection unit is for controlling
And show the on off operating mode of the jump/closing circuit；
Spring energy-storage circuit detection unit is connect with the spring energy-storage circuit in switchgear, and first DC power supply is used for
For the spring energy-storage circuit detection unit and spring energy-storage loop power supply being connected, spring energy-storage circuit detection unit is used for
Control and show the on off operating mode in the spring energy-storage circuit；
The auxiliary contact detection unit is connect with the switch auxiliary contact in switchgear, and second DC power supply is used to be phase
The auxiliary contact detection unit of connection and switch auxiliary contact power supply, the auxiliary contact detection unit is for showing
The on off operating mode of the switch auxiliary contact.
2. the apparatus according to claim 1, which is characterized in that the jump/closing circuit detection unit includes：Prompting device
Part, partial pressure device, button and protection device, first DC power supply connect the jump/combined floodgate by the protection device and return
Road, the button for connecting the protection device, first DC power supply by the prompt device that is serially connected and
The partial pressure device connects the jump/closing circuit, and the logical of the jump/closing circuit is indicated by the state of the prompt device
Disconnected state.
3. the apparatus of claim 2, which is characterized in that the protection device is electric current relay.
4. the apparatus according to claim 1, which is characterized in that spring energy-storage circuit detection unit includes：Prompting device
Part, partial pressure device, energy storage switch, first DC power supply switch connecting spring tank circuit by the energy storage, and described the
One DC power supply connects the spring energy-storage circuit with the partial pressure device by the prompt device being serially connected, and passes through institute
It states and the state of device is prompted to indicate the working condition in the spring energy-storage circuit.
5. according to the device described in any one of claim 2-4, which is characterized in that the partial pressure device be high resistance measurement or
Voltage relay.
6. the apparatus according to claim 1, which is characterized in that the auxiliary contact detection unit includes prompt device and electricity
Resistance, second DC power supply are connected by the prompt device and resistance being serially connected with the switch auxiliary contact in switchgear
It connects.
7. according to claim 2-4, the device described in any one of 6, which is characterized in that the prompt device is light emitting diode
Or audible-visual annunciator.
8. the apparatus according to claim 1, which is characterized in that first DC power supply, the second DC power supply, jump/conjunction
Lock circuit detection unit, spring energy-storage circuit detection unit, auxiliary contact detection unit and switchgear connecting pin be integrated in boat
In blind plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031767.XA CN105676048B (en) | 2016-01-18 | 2016-01-18 | A kind of switch cabinet of converting station switch secondary circuit detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610031767.XA CN105676048B (en) | 2016-01-18 | 2016-01-18 | A kind of switch cabinet of converting station switch secondary circuit detection device |
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| CN105676048A CN105676048A (en) | 2016-06-15 |
| CN105676048B true CN105676048B (en) | 2018-11-02 |
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| CN201610031767.XA Active CN105676048B (en) | 2016-01-18 | 2016-01-18 | A kind of switch cabinet of converting station switch secondary circuit detection device |
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| CN106546866B (en) * | 2016-10-21 | 2019-06-21 | 北京首都机场动力能源有限公司 | A kind of method and device for testing secondary circuit pressing plate on-off |
| CN107144756A (en) * | 2017-06-29 | 2017-09-08 | 东莞市广安电气检测中心有限公司 | Switch cubicle test device |
| CN109633304B (en) * | 2018-12-07 | 2021-06-08 | 国网浙江义乌市供电有限公司 | High tension switchgear handcart test device |
| CN109946556B (en) * | 2018-12-25 | 2024-05-14 | 江苏核电有限公司 | Nuclear power station switch cabinet public alarm quick positioning device and positioning method thereof |
| CN111044892A (en) * | 2019-12-11 | 2020-04-21 | 嘉兴恒创电力集团有限公司博创物资分公司 | High-voltage circuit breaker secondary circuit detection device and method based on ubiquitous power Internet of things |
| CN111103536A (en) * | 2019-12-31 | 2020-05-05 | 宁波职业技术学院 | Low-voltage drawer cabinet testing device |
| CN111323664B (en) * | 2020-03-18 | 2022-05-06 | 宁波职业技术学院 | High tension switchgear test module |
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