CN203632235U - Portable charging and feedback integrated direct current power supply - Google Patents
Portable charging and feedback integrated direct current power supply Download PDFInfo
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- CN203632235U CN203632235U CN201320840638.7U CN201320840638U CN203632235U CN 203632235 U CN203632235 U CN 203632235U CN 201320840638 U CN201320840638 U CN 201320840638U CN 203632235 U CN203632235 U CN 203632235U
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- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000003860 storage Methods 0.000 claims abstract description 17
- 238000005259 measurement Methods 0.000 claims abstract description 12
- 238000009413 insulation Methods 0.000 claims abstract description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 239000002131 composite material Substances 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 238000012806 monitoring device Methods 0.000 abstract 1
- 230000005611 electricity Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012549 training Methods 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000013024 troubleshooting Methods 0.000 description 1
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Abstract
The utility model discloses a portable charging and feedback integrated direct current power supply, and relates to the technical field of circuit devices of a direct current distribution network. The portable charging and feedback integrated direct current power supply comprises a shell, wherein an input terminal of an alternate current power supply is connected with an input terminal of a high-frequency switch power supply module U1 through an alternate current wire inlet switch JK1, an output terminal of the high-frequency switch power supply module U1 is connected with a direct current power supply bus HM through an output general switch ZK1 of a charger, a voltage and an insulation comprehensive module U2, a centralized monitor JKQ1, a direct current power supply voltage meter V2, a first comprehensive measurement device U3 and multiple groups of direct current output wire connection terminals JD are connected parallelly on the direct current power supply bus HM, and a storage battery B is parallelly connected on the direct current power supply bus HM through a storage battery output switch ZK2. The portable charging and feedback integrated direct current power supply which is provided with perfect alarm, insulation monitoring, and voltage monitoring devices, is capable of carrying out alarm timely when direct current grounding and voltage abnormity occur, allowing for choosing the alternate current and the storage battery as a supply power, small in size, and convenient to carry and use.
Description
Technical field
This novel circuit arrangement technical field that relates to dc distribution network, relates in particular to a kind of portable feedback one DC power supply of filling.
Background technology
The very important effect that DC power supply plays in substation operation equipment; if DC power supply dead electricity or break down the protection, control, automatics malfunction or the tripping that cause in transformer station; thereby affect whole power network safety operation; in the direct current system overhaul technological transformation course of work; not only do not allow to disconnect the supply of DC power supply, also will guarantee qualified DC bus power supply supply.When electricity substation is transformed at direct current, need to utilize interim direct current transitional screen that DC load is poured out, original interim direct current transitional screen is simpler and cruder, heaviness, and carrying needs 4 above people, very inconvenient dangerous.And insufficiency, if there is no alarm signal cause ground connection or electric voltage exception in direct current retrofit work time, and direct current output wiring terminal is less, multichannel goes out specific electric load and is crimped on a direct current output wiring terminal, operating and working together is that inconvenience is dangerous again, is easy to cause direct current dead electricity and short circuit.
Through technological innovation, with the retired direct current cabinet getting off, it is redesigned, is transformed, increase outlet way, improve insulating monitoring, voltage monitor function, transformed out direct current transitional screen, standby battery supply vehicle, be used in combination with charging module, but equipment is split type transportation inconvenience.Loaded down with trivial details to field connection, and on-the-spot in disorder, make original just not spacious passage narrower, work together and easily touch adjacent charging equipment by mistake, not only inconvenience but also dangerous.And there is no the parameter monitoring controls such as monitoring function, busbar voltage, charger, and if abnormal parameters, batteries causes overcharges or overdischarge, busbar voltage abnormal parameters will cause protection device components to burn or can not regular event.
Novel content
This novel technical problem to be solved is to provide a kind of portable feedback one DC power supply of filling, described power supply has perfect warning, insulating monitoring and voltage supervisory device, energy and alarm during if there is DC earthing or electric voltage exception, can select to exchange or storage battery power supply, and volume is little, use is easy to carry.
For solving the problems of the technologies described above, this novel taked technical scheme is: a kind of portable feedback one DC power supply of filling, comprise housing, it is characterized in that: the input of AC power connects the input of high-frequency switching power supply module U1 through exchanging service entrance switch JK1, the output of high-frequency switching power supply module U1 meets DC power supply bus HM through charger output master switch ZK1, on DC power supply bus HM, be parallel with respectively voltage and insulation composite measurement module U2, centralized monitor JKQ1, D.C. voltmeter V2, the first comprehensive measurement device U3 and some groups of direct current output wiring terminal JD, storage battery B is connected in parallel on DC power supply bus HM through storage battery output switch ZK2.
Preferably, between described interchange service entrance switch JK1 and high-frequency switching power supply module U1, be provided with and exchange primary voltage Table V 1, AC voltage sampling device U4 and lightning arrester F1, the output of described AC voltage sampling device U4 is connected with an input of Centralized Controller JKQ1.
Preferably, described direct current output wiring terminal JD is connected in parallel on the two ends of DC power supply bus HM successively through power supply indicator L and direct current output switch ZK3.
Preferably, described storage battery B is connected in parallel on the two ends of DC power supply bus HM successively through storage battery output switch ZK2, battery insurance RD, battery current Table A 1 and the second comprehensive measurement device U5.
Preferably, in described the second comprehensive measurement device U5, be provided with three 10A accumulator cell charging and discharging monitoring modules.
The beneficial effect that adopts technique scheme to produce is: described DC power supply has perfect alarm monitoring, insulating monitoring and voltage monitor function, in its work when causing DC earthing or electric voltage exception can and alarm handling it, supervising device can gather the various signal messages in direct current system, adopt three 10A accumulator cell charging and discharging monitoring modules, can meet the floating charge of the following batteries of 300Ah, bulk charge requirement, monitoring module possesses supervisory control system function, to module floating charge bulk charge, busbar voltage can regulate automatically, various DC parameters are controlled and reported to the police.Make it be operated in normal range (NR), effectively improve safety and reliability, and described DC power supply is rationally positioned over whole electric components in a housing, reduce the overall volume of equipment, portably use conveniently, optional stream or the storage battery power supply of choosing friends, the scope of application is wide.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments to this novel being described in further detail.
Fig. 1 is this novel electrical principle block diagram;
Fig. 2 is this novel surface structure schematic diagram.
Embodiment
As shown in Figure 1-2, a kind of portable feedback one DC power supply of filling, comprises housing, described can in be provided with electric component.The input of AC power connects the input of high-frequency switching power supply module U1 through exchanging service entrance switch JK1, the output of high-frequency switching power supply module U1 meets DC power supply bus HM through charger output master switch ZK1.Between described interchange service entrance switch JK1 and high-frequency switching power supply module U1, be provided with and exchange primary voltage Table V 1, AC voltage sampling device U4 and lightning arrester F1, the output of described AC voltage sampling device U4 is connected with an input of Centralized Controller JKQ1.
On DC power supply bus HM, be parallel with respectively voltage and insulation composite measurement module U2, centralized monitor JKQ1, D.C. voltmeter V2, the first comprehensive measurement device U3 and some groups of direct current output wiring terminal JD, storage battery B is connected in parallel on DC power supply bus HM through storage battery output switch ZK2.Preferably, described direct current output wiring terminal JD is connected in parallel on the two ends of DC power supply bus HM successively through power supply indicator L and direct current output switch ZK3, described storage battery B is connected in parallel on the two ends of DC power supply bus HM successively through storage battery output switch ZK2, battery insurance RD, battery current Table A 1 and the second comprehensive measurement device U5.
Described DC power supply combines charging device with feeder line screen, form and fill the integrated DC power supply of feedback, portable use.Determine distribution scheme according to schematic diagram and connecting point position, then measure required conductor length by the approach of line, terminals are reserved 50～100mm, then block connection wire, and put wire size mark head by schematic diagram, the insulation voltage of insulated conductor must not be lower than the test voltage of related circuit, and wire stripping length is determined according to the model of binding post.
Table one: wire stripping length list
Electric clearance leakage distance between the metallic framework between the electrified body of DC power supply secondary circuit or in electrified body and housing should be not less than table two regulation.
Table two: electric clearance electric leakage safe distance table.
Portable distance of filling between feedback one DC power supply secondary circuit wire harness and major loop electrified body must not be less than the regulation of table three.
Table three: secondary circuit wire harness and major loop electrified body safe distance table.
Portable operating system of filling feedback one DC power supply adopts digital touch display screen, can gather the various signal messages in direct current system, possess monitoring module busbar voltage function, to module floating charge, all fill and can automatically regulate, various DC parameters are controlled and reported to the police.Switch all adopts DC air breaker, and original single direct current transitional screen is upgraded to charging, monitoring, feeder line one, transport easy to carry, fast wiring, output data are the portable feedback one DC power supply panel of filling accurately; In DC charging motor, direct current cabinet overhauling reform, use as interim DC power supply, adopt 3 of 10A modules, can meet floating charge, the bulk charge requirement of the following batteries of 300Ah, also can use separately convenient in carrying as charger, field connection is simple, take up an area littlely, make on-the-spot neat and tidy, work convenient and safe.
The portable feedback one DC power supply of filling has perfect alarm monitoring, insulating monitoring and voltage monitor function, in its work when causing DC earthing or electric voltage exception can and alarm, staff handles it in time according to warning message.Can adopt retired direct current cabinet transformation, components and parts material is all selected from direct current components and parts requirement standard, meets " DC power system management regulation " requirement.
Effect: (one) portable feedback one DC power supply scope and using method of filling.In direct current retrofit work, utilize the portable feedback one DC power supply of filling that DC load is poured out, the power supply of assurance direct current system, this power supply has abundant direct current output wiring terminal, perfect insulating monitoring and voltage monitor function, in its work during if there is DC earthing or electric voltage exception, can and alarm also handle it, safety and reliability is higher.When charger transformation, connect AC power, direct current output directly access DC bus replaces original charger operation.
(2) the portable feedback one DC power supply of filling meets " 18 great anti-accident measures of electrical network of State Grid Corporation of China " requirement, adopt 3 of 10A charging monitoring modules, can meet floating charge, the bulk charge requirement of the following batteries of 300Ah, the charging device precision of voltage regulation is better than 0.5%, precision of steady current is better than 1%, and feeder switch adopts the DC circuit breaker with automatic trip mouth function.Guarantee in direct current retrofit work the continuous qualified supply of DC power supply.Improve operating efficiency and safety and reliability, effectively reduced the operating time, saved manpower and vehicle, avoided the multiple potential safety hazards such as direct current dead electricity, DC earthing simultaneously.
Promotion prospect: (one) carries out in retrofit work at the direct current of transformer station, can utilize the portable feedback one DC power supply of filling that DC load is poured out, the power supply of assurance direct current system, this power supply has abundant direct current output wiring terminal, perfect insulating monitoring and voltage monitor function, in its work during if there is DC earthing or electric voltage exception, can and alarm also handle it, safety and reliability is higher.Can reduce in a large number the operating time, save manpower, vehicle, effectively avoid the multiple potential safety hazards such as direct current dead electricity, DC earthing.After work, the portable feedback one DC power supply of filling also can be used as operation training equipment at Training Room, can analog DC ground connection, the fault such as module failure, DC bus-bar voltage be abnormal, make direct current professional not use scene, do not contact operational outfit, just can carry out practical operation and on-the-spot emergency training.Meanwhile, also can be used as game device, bear the tourney of direct current professional technique, Technique Authentication etc.
(2) portablely fill that feedback one DC power supply has reducing production costs, improves equipment safety operation level, fast processing DC Line Fault, carry out the advantages such as direct current professional teaching, can in power supply enterprises at different levels and customer substation direct current specialty, promote.1, direct current system scrap build, is used as stand-by equipment, improves direct current system operational reliability.2, combining with standby battery supply vehicle is exactly a small-sized DC power-supply system.Occurring in emergency episode situation, emergent alternative former direct current system operation, greatly shorten section interval time that during troubleshooting DC load can not normal power supply, reduced the probability that other faults occur because DC power supply is undesired, guaranteed the safe and stable operation of electrical network.3, the personnel of teams and groups or new employee, in the time there is no work on the spot, utilizes this DC power supply analog field device, carries out the training of practical operation, improves on-the-spot practical operation level, and simulated failure is analyzed discussion, searches accident cause.
Applied specific case herein this novel principle and execution mode thereof is set forth, the explanation of above embodiment is just with helping understand this novel method and core concept thereof.It should be pointed out that for the person of ordinary skill of the art, under the prerequisite that does not depart from this new principle, can also novelly carry out some improvement and modification to this, these improvement and modifying also fall in the protection range of this novel claim.
Claims (5)
1. the portable feedback one DC power supply of filling, comprise housing, it is characterized in that: the input of AC power connects the input of high-frequency switching power supply module U1 through exchanging service entrance switch JK1, the output of high-frequency switching power supply module U1 meets DC power supply bus HM through charger output master switch ZK1, on DC power supply bus HM, be parallel with respectively voltage and insulation composite measurement module U2, centralized monitor JKQ1, D.C. voltmeter V2, the first comprehensive measurement device U3 and some groups of direct current output wiring terminal JD, storage battery B is connected in parallel on DC power supply bus HM through storage battery output switch ZK2.
2. the portable feedback one DC power supply of filling according to claim 1, it is characterized in that: between described interchange service entrance switch JK1 and high-frequency switching power supply module U1, be provided with and exchange primary voltage Table V 1, AC voltage sampling device U4 and lightning arrester F1, the output of described AC voltage sampling device U4 is connected with an input of Centralized Controller JKQ1.
3. the portable feedback one DC power supply of filling according to claim 1, is characterized in that: described direct current output wiring terminal JD is connected in parallel on the two ends of DC power supply bus HM successively through power supply indicator L and direct current output switch ZK3.
4. the portable feedback one DC power supply of filling according to claim 1, is characterized in that: described storage battery B is connected in parallel on the two ends of DC power supply bus HM successively through storage battery output switch ZK2, battery insurance RD, battery current Table A 1 and the second comprehensive measurement device U5.
5. the portable feedback one DC power supply of filling according to claim 4, is characterized in that: in described the second comprehensive measurement device U5, be provided with three 10A accumulator cell charging and discharging monitoring modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840638.7U CN203632235U (en) | 2013-12-19 | 2013-12-19 | Portable charging and feedback integrated direct current power supply |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840638.7U CN203632235U (en) | 2013-12-19 | 2013-12-19 | Portable charging and feedback integrated direct current power supply |
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| CN203632235U true CN203632235U (en) | 2014-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320840638.7U Expired - Fee Related CN203632235U (en) | 2013-12-19 | 2013-12-19 | Portable charging and feedback integrated direct current power supply |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683268A (en) * | 2013-12-19 | 2014-03-26 | 国家电网公司 | Portable charging-and-feedback integrated direct-current power supply |
| CN107612127A (en) * | 2016-12-20 | 2018-01-19 | 合肥亚飞电力设备有限公司 | A kind of DC power supply panel of modern high security |
| CN114253156A (en) * | 2021-12-20 | 2022-03-29 | 上海地铁维护保障有限公司 | Direct current simulation detection system |
-
2013
- 2013-12-19 CN CN201320840638.7U patent/CN203632235U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103683268A (en) * | 2013-12-19 | 2014-03-26 | 国家电网公司 | Portable charging-and-feedback integrated direct-current power supply |
| CN107612127A (en) * | 2016-12-20 | 2018-01-19 | 合肥亚飞电力设备有限公司 | A kind of DC power supply panel of modern high security |
| CN114253156A (en) * | 2021-12-20 | 2022-03-29 | 上海地铁维护保障有限公司 | Direct current simulation detection system |
| CN114253156B (en) * | 2021-12-20 | 2024-05-28 | 上海地铁维护保障有限公司 | DC simulation detection system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140604 Termination date: 20181219 |