CN102323544B - Auxiliary device for switching characteristic test of mid-set cabinet - Google Patents
Auxiliary device for switching characteristic test of mid-set cabinet Download PDFInfo
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- CN102323544B CN102323544B CN 201110227823 CN201110227823A CN102323544B CN 102323544 B CN102323544 B CN 102323544B CN 201110227823 CN201110227823 CN 201110227823 CN 201110227823 A CN201110227823 A CN 201110227823A CN 102323544 B CN102323544 B CN 102323544B
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Abstract
The invention relates to an auxiliary device for the switching characteristic test for a mid-set cabinet, which comprises a box body and a panel, wherein a voltage continuously adjustable direct current power circuit is arranged in the box body; an output end of the direct current power circuit is connected with a multi-core cable insert; a front-end circuit of the multi-core cable insert is connected in series with a control and display device which is matched with the mid-set cabinet; the panel is also provided with a test connecting terminal which is electrically connected with the controland display device; the control and display device is a switch or indicator lamp which is connected in series to each output current branch circuit; and the direct current power circuit is a ring transformer isolating thyristor voltage regulating circuit which comprises a thyristor alternating current voltage regulator, a ring isolating transformer and a rectification filter circuit which are electrically connected with one another. The device is used for the switching characteristic test of the mid-set cabinet; the switching characteristic test time can be effectively shortened; the workloadof the personnel is reduced; a master control chamber and a switch room power source are not required; the power supply engineering construction can be quickened; and the power supply construction period is shortened.
Description
Technical field
The invention belongs to transformer station's mid-cabinet switching characteristic test unit technical field, specifically relate to a kind of mid-cabinet switching characteristic test and detect servicing unit.
Background technology
Mid-switch cubicle is transformer station's visual plant, according to the electric power operation rules, all must carry out attribute testing to mid-cabinet switch when newly going up mid-switch cubicle or transformer station's interruption maintenance and detect.Existing test proved recipe formula is to utilize the attribute testing instrument directly to be connected with mid-cabinet switch, the wiring respectively of each test event, test item by item.Because mid-cabinet switching characteristic pilot project is many, these pilot projects generally all will be undertaken by operations such as combined floodgate, separating brakes, and therefore, each project needs independent wiring during test, and more complicated wastes time and energy.Simultaneously, when having attribute testing now, need the cooperation of master-control room, switch gear room's operating power, this only after operating power construction debugging finishes, just can carry out switching characteristic and test for the new switch of going up, and the experiment work claim for eot influences the power supply engineering progress.Sometimes the transformer substation switch chamber is positioned at different zones with master-control room, and spacing distance is big, and the very inconvenience of the switching of the operation of switch, power switch is lost time during test, causes the repair time long, and influence is sent.
Summary of the invention
The technical problem to be solved in the present invention provides and a kind ofly can not need master-control room, switch gear room's power supply, and easy-to-connect, can shorten the mid-cabinet switching characteristic experiment auxiliary device of test period.
For solving the problems of the technologies described above, the present invention includes casing and panel, its design feature is to be provided with the continuously adjustable DC power supply circuit of voltage in the casing, this DC power supply circuit output terminal is connected to the polycore cable plug connector, be serially connected with control and the display device that cooperates with mid-cabinet on the described polycore cable plug connector front-end circuit, also be provided with the test splicing ear that is electrically connected with control and display device on the panel; Described control and display device are switch or the pilot lamp that is serially connected in each output current shunt.
Described DC power supply circuit is isolated the thyristor voltage regulation circuit for ring becomes, and it comprises that the thyristor of electrical connection exchanges pressure regulator, annular isolation transformer and current rectifying and wave filtering circuit.
As a kind of implementation, described DC power supply circuit comprises thyristor voltage regulator, the thyristor voltage regulator output terminal is electrically connected with current rectifying and wave filtering circuit by toroidal transformer, described DC power supply circuit also comprises the trigger circuit of being made up of auxiliary transformer and current rectifying and wave filtering circuit, and these trigger circuit provide dc supply for thyristor voltage regulator.
Described polycore cable plug connector is at least 14 core aviation plugs.
Another preferably described DC power supply circuit is provided with 7 outputs along separate routes, is respectively combined floodgate, combined floodgate indication, separating brake, separating brake indication, energy storage, energy storage indication and exclusive circuit.
But the present invention is provided with continuous voltage regulating direct supply and polycore cable plug connector, and this cable connector is connected by connecing cable connectors in cable and the mid-cabinet switch, during test, once connect, can finish whole test events, need not repeatedly wiring respectively, time saving and energy saving.Simultaneously, but this device is provided with the continuous voltage regulating DC power supply circuit, and it can become galvanic current with the 220V alternating current, as mid-cabinet switch working power, need not master-control room, switch gear room's power supply.Like this,, can carry out mid-cabinet switching characteristic test in advance, can accelerate the power supply engineering construction, shorten the power supply duration newly-built transformer station.During test, do not need repeatedly to carry out the switching operation of Switching Power Supply, convenient test and saving time yet.Evidence: utilize this servicing unit, every switch test time can shorten 12 minutes, if calculate by every switch average load 500kW, and can many deliveries 22100kWh.Can not only effectively shorten the switching characteristic test period, reduce personnel's workload, and can improve the power supply benefit.
Description of drawings
Below in conjunction with drawings and Examples the present invention is further described:
Fig. 1 is an electrical schematic diagram of the present invention;
Fig. 2 is that the present invention exports the parallel circuit connection diagram;
Fig. 3 is a structural representation of the present invention.
Embodiment
With reference to accompanying drawing 3, embodiments of the invention comprise casing 1 and panel 2, and panel 2 is provided with 220V AC Power supply socket 7, power switch 8, D.C. voltmeter 9, voltage-regulation knob 10, polycore cable plug connector 4, control and display device 5 and test splicing ear 6.Panel 2 plays the support effect simultaneously, and the circuit elements device is installed in its bottom.As shown in Figure 1, be provided with the continuously adjustable DC power supply circuit 3 of voltage in the casing 1 below the panel 2, this DC power supply circuit 3 comprises thyristor voltage regulator 11, toroidal transformer 12 and the current rectifying and wave filtering circuit 13 that is electrically connected successively, wherein thyristor voltage regulator 11 is electrically connected with the trigger circuit of being made up of auxiliary transformer 14 and current rectifying and wave filtering circuit 15, and these trigger circuit provide 12V-36V dc supply for thyristor voltage regulator 11.DC power supply circuit 3 output terminals are connected to polycore cable plug connector 4, described polycore cable plug connector 4 adopts the P3214 aviation plug, this aviation plug provides seven tunnel outputs, and each branch's output circuit is combined floodgate, combined floodgate indication, separating brake, separating brake indication, energy storage, energy storage indication and exclusive circuit.Be serially connected with control and display device 5 on each branch circuit of aviation plug front end, described control and display device 5 are combined floodgate K switch 1, combined floodgate pilot lamp L1, separating brake K switch 2, separating brake pilot lamp L2, energy storage K switch 3 and energy storage pilot lamp L3.Also be provided with the test splicing ear 6 that cooperates with the attribute testing instrument on the panel 2, test splicing ear 6 comprises three output branch roads, and these three branch roads are connected with combined floodgate K switch 1 output terminal, separating brake K switch 2 output terminals and DC power supply circuit 3 negative electricities respectively.
As shown in Figure 2, during test, the aviation plug 4 of output terminal of the present invention is connected by the aviation plug of cable with mid-cabinet switch, test instrument is connected with test splicing ear 6 of the present invention, and supply socket 7 is connected with the 220V alternating current.After the energising, by the locked loop 4-1 closure that (G, g) node of P3214 aviation plug 4, mid-cabinet switch aviation plug (20,19,26) node and relay YI coil constitute, relay YI gets electric, drives the release of mid-cabinet release mechanism, like this, just can carry out separating brake, closing operation.Closing operation is mainly by realizing by closing circuit 1-1, closing circuit 1-1 comprise be electrically connected successively switch knob K1, P3214 aviation plug 4 (A, a) node, mid-cabinet switch aviation plug (21,22) node, closing coil HQ realizes.Concrete closing operation is: the switch knob K1 that closes, then P3214 aviation plug 4 (A, a) node, mid-cabinet switch aviation plug (21,22) node constitute close access to closing coil HQ; Closing coil HQ gets electric, drives mid-cabinet switch and closes a floodgate, and closing operation is finished.The indication loop 1-2 that closes a floodgate mainly comprises P3214 aviation plug (D, d) node, mid-cabinet switch aviation plug (17,27) node, circuit breaker Q F and the combined floodgate pilot lamp L1 that is electrically connected successively; When closing operation was finished, circuit breaker Q F switched to closure state with closing coil HQ, and the indication loop 1-2 that closes a floodgate is switched on, and that combined floodgate pilot lamp L1 gets is electric, light, with the prompting "on" position.Sub-gate circuit 2-1 mainly comprises opening button K2, P3214 aviation plug (B, b) node, mid-cabinet switch aviation plug (31,30) node and the breaking coil TQ that is electrically connected successively.Concrete sub-switching operation is: opening button K2 on the guidance panel, make opening button K2 closure, and then P3214 aviation plug (B, b) node, mid-cabinet switch aviation plug (31,30) node and breaking coil TQ constitute the closed-loop path; Breaking coil TQ gets electric, drives mid-cabinet switch separating brake, and sub-switching operation is finished.Separating brake indication loop 2-2 mainly comprises P3214 aviation plug (E, e) node, mid-cabinet switch aviation plug (23,33) node, isolating switch PF and the separating brake pilot lamp L2 that is electrically connected successively.When sub-switching operation was finished, isolating switch PF switched to closure state with breaking coil TQ, and that separating brake pilot lamp L2 gets is electric, light, with the prompting gate-dividing state.Tank circuit 3-1 mainly comprises energy storage button K3, P3214 aviation plug (C, c) node, mid-cabinet switch aviation plug (25,35) node and the energy storage motor M that is electrically connected successively.During stored energy operation, energy storage button K3 on the closure panel 2, then direct supply gets energy storage motor M by P3214 aviation plug (C, c) node, mid-cabinet switch aviation plug (25,35) node, energy storage motor M drives stored energy mechanism and carries out energy storage, so that be closing operation deposit driving force.Energy storage indication loop 3-2 mainly comprises P3214 aviation plug (F, f) node, mid-cabinet switch aviation plug (24,34) node, energy storage state node S1 and energy storage pilot lamp L3.When stored energy operation finished, energy storage state node S1 was transformed into closure state with the action of energy storage motor M, and then the supply access of energy storage pilot lamp L3 is switched on, and L3 is luminous for the energy storage pilot lamp, with prompting energy storage state.During test, switching characteristic test instrument output test signal reaches mid-switch cubicle secondary side through test splicing ear 6 of the present invention and aviation plug, tests.Power supply input, output are isolated fully, and is safe in utilization.
Claims (4)
1. mid-cabinet switching characteristic experiment auxiliary device, comprise casing (1) and panel (2), it is characterized in that being provided with in the casing (1) the continuously adjustable DC power supply circuit of voltage (3), this DC power supply circuit (3) output terminal is connected to polycore cable plug connector (4), be serially connected with the control and the display device (5) that cooperate with mid-cabinet on described polycore cable plug connector (4) front-end circuit, also be provided with the test splicing ear (6) that is electrically connected with control and display device (5) on the panel (2); Described control and display device (5) are for being serially connected in switch or the pilot lamp in each output current shunt; Described DC power supply circuit (3) comprises thyristor voltage regulator (11), thyristor voltage regulator (11) output terminal is electrically connected with current rectifying and wave filtering circuit (13) by toroidal transformer (12), described DC power supply circuit (3) also comprises the trigger circuit of being made up of auxiliary transformer and current rectifying and wave filtering circuit, and these trigger circuit are that thyristor voltage regulator (12) provides dc supply.
2. according to the described mid-cabinet switching characteristic experiment auxiliary device of claim 1, it is characterized in that described DC power supply circuit (3) becomes isolation thyristor voltage regulation circuit for ring, it comprises that the thyristor of electrical connection exchanges pressure regulator, annular isolation transformer and current rectifying and wave filtering circuit.
3. according to claim 1 or 2 described mid-cabinet switching characteristic experiment auxiliary devices, it is characterized in that described polycore cable plug connector (4) is at least 14 core aviation plugs.
4. according to the described mid-cabinet switching characteristic experiment auxiliary device of claim 3, it is characterized in that described DC power supply circuit (3) is provided with 7 outputs along separate routes, is respectively combined floodgate, combined floodgate indication, separating brake, separating brake indication, energy storage, energy storage indication and exclusive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110227823 CN102323544B (en) | 2011-08-10 | 2011-08-10 | Auxiliary device for switching characteristic test of mid-set cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110227823 CN102323544B (en) | 2011-08-10 | 2011-08-10 | Auxiliary device for switching characteristic test of mid-set cabinet |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102323544A CN102323544A (en) | 2012-01-18 |
| CN102323544B true CN102323544B (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110227823 Expired - Fee Related CN102323544B (en) | 2011-08-10 | 2011-08-10 | Auxiliary device for switching characteristic test of mid-set cabinet |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104020326B (en) * | 2014-06-23 | 2016-11-16 | 国网河北省电力公司衡水供电分公司 | A kind of switching device tested used by switch machine characteristic |
| CN105842617A (en) * | 2016-06-01 | 2016-08-10 | 国网江苏省电力公司无锡供电公司 | Special device for handcart circuit breaker mechanical feature testing |
| CN106771751B (en) * | 2016-12-27 | 2023-09-15 | 浙江电力变压器有限公司温州昌泰电力开关分公司 | Automatic preassemble debugging test box of mobile distribution network |
| CN107450019B (en) * | 2017-10-19 | 2020-08-28 | 国网山东省电力公司潍坊供电公司 | Handcart type breaker low-voltage action tester |
| CN109471020B (en) * | 2018-01-05 | 2020-03-24 | 国家电网公司 | Intelligent detection and protection output device for power system |
| CN108845249A (en) * | 2018-05-30 | 2018-11-20 | 广东电网有限责任公司 | A kind of withdrawable vacuum circuit breaker of VD4 series tests auxiliary tool |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010049988A (en) * | 2008-08-22 | 2010-03-04 | Chugoku Electric Power Co Inc:The | Uninterruptive testing device of wiring circuit breaker |
| CN102096040A (en) * | 2010-11-10 | 2011-06-15 | 嘉兴电力局 | Characteristic instrument device of circuit breaker |
| CN202166726U (en) * | 2011-08-10 | 2012-03-14 | 昌乐县供电公司 | Auxiliary device of switching characteristic test for medium-placed cabinet |
-
2011
- 2011-08-10 CN CN 201110227823 patent/CN102323544B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010049988A (en) * | 2008-08-22 | 2010-03-04 | Chugoku Electric Power Co Inc:The | Uninterruptive testing device of wiring circuit breaker |
| CN102096040A (en) * | 2010-11-10 | 2011-06-15 | 嘉兴电力局 | Characteristic instrument device of circuit breaker |
| CN202166726U (en) * | 2011-08-10 | 2012-03-14 | 昌乐县供电公司 | Auxiliary device of switching characteristic test for medium-placed cabinet |
Non-Patent Citations (2)
| Title |
|---|
| 双反馈调节可控硅调压高压直流电源;茅淑梅等;《中国电力》;19850430(第4期);第32-37页：基本原理，图1 * |
| 茅淑梅等.双反馈调节可控硅调压高压直流电源.《中国电力》.1985,(第4期),第32-37页：基本原理，图1. |
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| CN102323544A (en) | 2012-01-18 |
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