CN202872351U - Storage battery fusing protective device provided with state monitoring indication lamps - Google Patents
Storage battery fusing protective device provided with state monitoring indication lamps Download PDFInfo
- Publication number
- CN202872351U CN202872351U CN 201220542533 CN201220542533U CN202872351U CN 202872351 U CN202872351 U CN 202872351U CN 201220542533 CN201220542533 CN 201220542533 CN 201220542533 U CN201220542533 U CN 201220542533U CN 202872351 U CN202872351 U CN 202872351U
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- Prior art keywords
- fuse
- storage battery
- base
- indication
- indicator light
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Abstract
A storage battery fusing protective device provided with state monitoring indication lamps comprises two protective structures respectively applied for connecting the anode and the cathode of a storage battery. Each protective structure comprises a fuse and a fusing signaling device. The two electrodes of the fusing signaling device are correspondingly connected with the two electrodes of the fuse. The fusing signaling device has a microswitch. When the protective device is in use, the microswitch is serially connected with a signal relay before being accessed to a direct current system. When the fuse is broken, the microswitch is then closed. Each indication lamp is serially connected with a current limiting resistor and then connected on the two ends of the microswitch of the fusing signaling device in a parallel way. When the microswitch is broken, the voltage loaded on the two ends of the signal relay is smaller than the starting voltage of the signal relay. The state monitoring indication lamps are arranged to monitor the on-off status of each fuse. When the fuses are fine, the indication lamps are then on. Otherwise, the indication lamps are off. The protective device provided by the utility model thus presents a very clear view showcasing the running conditions of the fuses.
Description
Technical field
The utility model relates to the revising of the functions technical field of substation equipment, is specifically related to a kind of storage battery fuse protecting device of configuration status monitoring indicator light.
Background technology
Storage battery plays an important role in electric power system as stand-by power supply in transformer station, and in a single day batteries goes wrong under alternating current dead electricity or other accident state, and electric power system will face paralysis, causes equipment to stop transport and other great interruption of service.
In recent years, valve controlled sealed lead-acid accumulator (hereinafter to be referred as valve-control storage battery) is hermetically sealed because of it, can not leak acid, and resemble and can discharge acid mist the old-fashioned lead acid accumulator discharging and recharging Shi Buhui, cause equipment corrosion, contaminated environment, so extremely the user welcomes.Along with valve-control storage battery being widely used in electric power system, the accident that is caused by accumulator failure happens occasionally, in addition cause catch fire, the station has a power failure etc. than serious accident entirely.Valve-control storage battery is owing to special valve controlling sealed structure, so that we can't accurately grasp the health status of storage battery, this advantage of its " non-maintaining " also becomes shortcoming and difficult point in the battery operation management.In this way, when improving battery performance and reducing maintenance workload, react how effective and rapidly and isolate the most important thing that accumulator failure is the work of storage battery O﹠M.
The storage battery fuse protecting device is a kind of fault element for react the storage battery over current fault and protect storage battery to make the circuit disconnection that is connected with storage battery when overcurrent occurring.When the faults such as circuit is short-circuited, can in time charger and storage battery be separated, dwindle fault coverage, guarantee the direct current system safety and stability.
The storage battery fuse protecting device generally comprises fuse and indication fuse; indication fuse claims again the bump insurance; it is parallel to fuse; when the overcurrent that occurs makes fuse blows; indication fuse moves simultaneously; the sensitive switch that promotes indication fuse is closed, thereby other ancillary apparatus such as the signal relay that drive by described sensitive switch access direct current system move, and send alarm signal and remind operating personnel to note.
Existing storage battery fuse protecting device has following shortcoming:
1) in direct current system, the annexation of storage battery, fuse and charger is, the positive and negative electrode of storage battery connected respectively behind the fuse by positive and negative electrode corresponding link to each other of bus with charger.Two fuses that link to each other with the storage battery positive and negative electrode respectively are fixed on the inboard position near the back door of dc feeder cabinet, between the two apart from very little, probably only have 5 centimeters, when loading and unloading the operation such as fuse, occur easily bumping the accident that causes DC earthing or short circuit because of instrument or operating personnel's hand mistake, threaten for operating personnel's personal safety.The general job personnel are when the operation of loading and unloading fuse now, and all needing very careful and requiring has the people to guard.
2) Fig. 1 is a kind of storage battery fuse protecting device of the prior art; its fuse 2, indication fuse 4 are typically equipped with base; all be fixed with the intermediate plate that is communicated with electrode contact on the base, described fuse 2, indication fuse 4 are fixed on separately the base 3,5 by intermediate plate and are communicated with corresponding electrode contact by intermediate plate.As shown in Figure 1, the base 5 of indication fuse 4 is to use screw M1, M2 is fastened on the fuse 2, and the syndeton by being connected with the indication fuse intermediate plate, make the electrode contact of indication fuse 4 and the electrode contact N1 of fuse 2 from fuse 2 inside, N2 is corresponding to be communicated with, the sensitive switch of indication fuse 4 is by two contact A 1 of being located on its base, A2 and compressing tablet 7 consist of, during use, contact A 1, be welded with the secondary cable 801 and 803 that connects direct current system or described signal relay on the A2, fuse 2 disconnects, the compressing tablet 7 of indication fuse 4 short circuit two contact A 1 that move upward, A2, sensitive switch is closed, signal relay is connected direct current system, sends warning signal to the backstage.
The staff is carrying out that storage battery nuclear holds and during the test such as dc charging motor characteristic, thereby need to disassemble fuse 2 isolation storage battery and chargers.Although fuse 2 is clamped on its base 3; dismantle very convenient; but the project organization of above-mentioned storage battery fuse protecting device; make when disassembling fuse 2; need to remove first the indication fuse 4 that is connected on the fuse 2, not only the process trouble is consuming time, and when mobile fuse 2 or indication fuse 4; two contact A 1, A2 and coupled secondary cable 801,803 are got loose, need again welding.
3) prior, the storage battery fuse protecting device of said structure can't be checked the on off operating mode of fuse 2 intuitively, only has the position of the compressing tablet 7 by observing indication fuse 4 or judges the state of fuse 2 by the voltage parameter that checks direct current system.
The utility model content
Technical problem to be solved in the utility model just provides a kind of storage battery fuse protecting device that disposes the status monitoring indicator light, makes the operating personnel can check intuitively the on off operating mode of the fuse that it is inner.
For solving the problems of the technologies described above; the technical scheme that the utility model is taked is as follows: a kind of storage battery fuse protecting device of configuration status monitoring indicator light; it comprises that two are respectively applied to the protection structure that links to each other with accumulator anode and cathode; described protection structure comprises fuse and indication fuse; two electrodes of described indication fuse should link to each other with two electrode pairs of described fuse; described indication fuse has sensitive switch; during use; access direct current system behind the described sensitive switch series connection signal relay; when described fuse disconnected, described sensitive switch was closed
,It is characterized in that described indicator light is connected and is connected in parallel on the two ends of the sensitive switch of described indication fuse behind the current-limiting resistance, when described sensitive switch is in off-state, is carried in the voltage at described signal relay two ends less than its starting resistor.
Under normal circumstances; the fuse of described storage battery fuse protecting device is intact; the sensitive switch of indication fuse is in off-state; the signal relay of connecting with described sensitive switch is by the indicator light circuit access direct current system in parallel with sensitive switch; indicator light is bright; show that fuse state is normal; simultaneously because the resistance of indicator light circuit is larger; can divide and remove most of voltage; make the voltage at signal relay two ends of series connection with it less than its starting resistor; can't be activated, also just the problem of false alarm can not occur.When overcurrent appears in battery circuit, fuse disconnects, the sensitive switch of indication fuse is closed, indicator light is owing to being extinguished by short circuit, remind staff's fuse to disconnect, simultaneously, the signal relay of connecting with sensitive switch directly accesses direct current system by the sensitive switch of closure, the normal startup sends alerting signal to the backstage.
Described fuse, indication fuse all has base, all be provided with electrode contact on the base, and all be fixed with the intermediate plate that is communicated with electrode contact, described fuse, indication fuse is fixed on separately the base by corresponding intermediate plate, their electrode is communicated with corresponding electrode contact by intermediate plate, also be provided with two contacts that are communicated with the sensitive switch two ends respectively on the base of described indication fuse, the base of described indication fuse and described fuse divide and are arranged, and the electrode contact on the described indication fuse base is connected with respective electrode contact on the described fuse base by wire.
Before storage battery nuclear holds and charger decides seizure test work and carry out, fuse and indication fuse extracted the intermediate plate of base separately from them can carry out that storage battery nuclear holds and charger is decided seizure test, saved the operation of dismounting indication fuse base, in addition, because in the whole experimentation, need not again mobile indication fuse base, be difficult for causing with the indication fuse base on the getting loose of secondary cable of two contacts welding.
As to further improvement of the utility model; described storage battery fuse protecting device also includes the end box that is processed by insulating material; box of the described end comprises a base plate and the dividing plate that arranges perpendicular to base plate plate face; described dividing plate is separated into two parts with base plate; described two protection structures are sub-packed on two described parts on the base plate; between separated by described dividing plate, cause DC earthing or short circuit accident to occur to prevent because staff's misconnection is touched.
Be respectively arranged with on two parts that base plate is opened by described baffle for separating and show that the protection structure of installing on it and the direct-current polarity of the corresponding relation of storage battery positive and negative electrode identify; save the operating personnel and entered in the dc feeder screen and check the work of the polarity of the cable terminal that storage battery is drawn, and effectively reminded the operating personnel in order to avoid wrong polarity.
Described indicator light also is furnished with base, described fuse, indication fuse and indicator light respectively the floor installation by separately on described base plate, fuse is near the dividing plate setting on the base plate, described indicator light is away from the dividing plate setting, and described indication fuse is arranged between described fuse and the indicator light.
Each parts such as above-mentioned the arranging of protection structure are conducive to simplify the line between them, reduce crossing elimination as far as possible.
Compared with prior art, the utlity model has following advantage:
1) the utility model arranges the status monitoring indicator light with the break-make situation of monitoring fuse, and fuse is intact, and indicator light is bright, and fuse disconnects, and indicator light extinguishes, and is simple and clear;
2) fuse of the present utility model and indication fuse base are installed separately, carry out that storage battery nuclear holds and charger when deciding seizure test, only need directly fuse and indication fuse to be extracted from the intermediate plate of their bases separately, need not again mobile indication fuse base etc., not only simplified charge and discharge operations, and, be difficult for causing getting loose of the secondary cable that is connected with contact on the indication fuse base because of mobile fuse or indication fuse base;
3) end box that processed by insulating material of the utility model setting, make each parts of protection structure can both be installed in easily on the base plate of end box, open by the baffle for separating of end box between its two protections structure, be not prone to the accident that unexpected contact causes short circuit or DC earthing, the fail safe that has improved the storage battery fuse protecting device;
4) in addition, the utility model also arranges the direct-current polarity sign at base plate, the corresponding relation that intuitively shows two protective devices and storage battery two electrodes, be beneficial to and prevent operating personnel's wrong polarity, cause the danger such as DC earthing, be conducive to further improve the fail safe of storage battery fuse protecting device, bring more convenience to staff's operation simultaneously;
5) the utility model does not change fuse in the prior art and is connected with circuit between the indication fuse, does not change them yet and is connected with circuit between other circuit elements such as direct current system, uses and build all very convenient.
Description of drawings
Fig. 1 is the stereogram of storage battery fuse protecting device of the prior art;
The stereogram of the storage battery fuse protecting device of Fig. 2 the utility model preferred embodiment;
Fig. 3 is the schematic diagram of signal secondary circuit of the present utility model.
Among the figure: 1, end box, 2, fuse, 3, fuse base, 4, indication fuse, 5, the indication fuse base, 6, indicator light, 6-1, indicator light base, 6-2, current-limiting resistance, 7, compressing tablet, 8, direct-current polarity sign, 10, measure and control device, 11, base plate, dividing plate 12.
Embodiment
Shown in Fig. 2,3, the storage battery fuse protecting device of the utility model preferred embodiment comprises two protection structures and the end box 1 that is processed by insulating material, and end box 1 is for having the plastic bottom box of insulation isolation features.End box 1 comprises a base plate 11 and the dividing plate 12 that arranges perpendicular to base plate 11 plate faces, and the upper end of base plate 11 left and right sides is pasted with eye-catching direct-current polarity sign 8, and dividing plate 12 is separated into base plate 11 two parts of left and right symmetry.The setting of direct-current polarity sign 8 has been saved the operating personnel and has been entered in the dc feeder screen and check the work of storage battery outgoing cable terminal polarity, and effectively prevented operating personnel's wrong polarity.
Two protection structures are sub-packed on two parts on the base plate 11, between separated by dividing plate 12, cause DC earthing or short circuit accident to occur to prevent because staff's misconnection is touched.The protection structure comprises fuse 2, indication fuse 4 and indicator light 6 and they base 3,5,6-1 separately, and above-mentioned 3 base end faces are screwed in respectively end box 1 base plate
11Independent position on.Fuse 2, indication fuse 4 and indicator light 6 are installed on separately the base by the intermediate plate correspondence on the base separately respectively, are communicated with by the electrode contact that arranges on intermediate plate and the base separately simultaneously.
As shown in the figure, two electrode contact K1, the K2 of indication fuse 4 links to each other by wire is corresponding with two electrode contact N1, the N2 of fuse 2, and conductor cross-section is 3mm
2, guarantee that its load current is greater than the starting current of indication fuse 4.Fuse 2 is consistent with prior art with the circuit connection between the indication fuse 4, does not change.
Two ends link to each other with two electrode contact B1, B2 on its base respectively behind indicator light 6 series connection one current-limiting resistance.Two electrode contact B1, B2 on indicator light 6 bases also with indication fuse 4 bases 5 on two contact A 1, A2 corresponding continuous by wire.In the present embodiment, the compressing tablet 7 on two contact A 1, A2 and the base 5 forms the sensitive switch FUJ of indication fuse 4 together.Fuse 2 disconnects, and indication fuse 4 ejects contact and promotes compressing tablet 7, two contact A 1, A2 on the base 5 is communicated with, i.e. closed sensitive switch FUJ by compressing tablet 7.As described in Fig. 2,3, also weld respectively secondary cable 801,803 on contact A 1, the A2, make sensitive switch FUJ two ends respectively the terminal board DC+ by described secondary cable and direct current system and ancillary apparatus be that the signal relay RDJ of measure and control device 10 links to each other, and further link to each other with the terminal board DC-of direct current system by signal relay RDJ.
As shown in Figure 3, when fuse 2 was intact, the sensitive switch FUJ of indication fuse 4 was in off-state, and signal relay RDJ is connected terminal board DC+, the DC-of 110V/220V direct current system by the indicator light circuit with sensitive switch FUJ parallel connection.At this moment, indicator light is bright, but because the resistance of the current-limiting resistance of indicator light 6 and series connection with it and be equivalent to infinity, the dividing potential drop effect is stronger, makes the voltage at signal relay RDJ two ends less, less than its starting resistor, namely can not produce misoperation and reports to the police.When fuse 2 blows because of over current fault, the sensitive switch FUJ of indication fuse 4 is closed, short circuit indicator light 6 and current-limiting resistance 6-2, indicator light 6 extinguishes, and reminds operating personnel's fuse 2 to disconnect, simultaneously, signal relay RDJ is by closed sensitive switch FUJ access direct current system, signal relay RDJ starts, and sends alarm signal to the backstage, reminds the staff.In sum, indicator light 6 of the present utility model can be used for the on off operating mode of monitoring fuse 2, and the utility model does not change the design of former direct current system secondary circuit.
In addition, indicator light 6 is connected in parallel on the two ends of sensitive switch FUJ, also but whether monitor signal relay R DJ is intact, when the overcurrent fault occurs, even signal relay RDJ is because burning out or sticking extremely can't send alarm signal to the backstage, indicator light 6 is unaffected still can be extinguished, and can conveniently patrol and examine personnel's failure judgement, and notify the guarantor person that continues in time to process, improved to a certain extent the reliability of circuit.
Execution mode of the present utility model is not limited to this; under the above-mentioned basic fundamental thought of the utility model prerequisite; according to modification, replacement or the change to the utility model other various ways that content is made of the ordinary skill knowledge of this area and customary means, all within the utility model rights protection scope.
Claims (5)
1. the storage battery fuse protecting device of configuration status monitoring indicator light; it comprises that two are respectively applied to the protection structure that links to each other with accumulator anode and cathode; described protection structure comprises fuse and indication fuse; two electrodes of described indication fuse should link to each other with two electrode pairs of described fuse; described indication fuse has sensitive switch, during use, accesses direct current system behind the described sensitive switch series connection signal relay; when described fuse disconnected, described sensitive switch was closed
,It is characterized in that described indicator light is connected and is connected in parallel on the two ends of the sensitive switch of described indication fuse behind the current-limiting resistance, when described sensitive switch is in off-state, is carried in the voltage at described signal relay two ends less than its starting resistor.
2. configuration status according to claim 1 is monitored the storage battery fuse protecting device of indicator light; it is characterized in that; described fuse; indication fuse all has base; all be provided with electrode contact on the base; and all be fixed with the intermediate plate that is communicated with electrode contact; described fuse; indication fuse is fixed on separately the base by corresponding intermediate plate; their electrode is communicated with corresponding electrode contact by intermediate plate; also be provided with two contacts that are communicated with the sensitive switch two ends respectively on the base of described indication fuse; the base of described indication fuse and described fuse divide and are arranged, and the electrode contact on the described indication fuse base is connected with respective electrode contact on the described fuse base by wire.
3. configuration status according to claim 1 and 2 is monitored the storage battery fuse protecting device of indicator light; it is characterized in that; described storage battery fuse protecting device also includes the end box that is processed by insulating material; box of the described end comprises a base plate and the dividing plate that arranges perpendicular to base plate plate face; described dividing plate is separated into two parts with base plate; described two protection structures are sub-packed on two described parts on the base plate, between separated by described dividing plate.
4. configuration status according to claim 3 is monitored the storage battery fuse protecting device of indicator light; it is characterized in that, be respectively arranged with the direct-current polarity mark of the corresponding relation that shows the protection structure of installing on it and storage battery positive and negative electrode on two parts that base plate is opened by described baffle for separating.
5. configuration status according to claim 4 is monitored the storage battery fuse protecting device of indicator light; it is characterized in that; described indicator light also is furnished with base; described fuse, indication fuse and indicator light respectively the floor installation by separately on described base plate; fuse is near the dividing plate setting on the base plate; described indicator light is away from the dividing plate setting, and described indication fuse is arranged between described fuse and the indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542533 CN202872351U (en) | 2012-10-23 | 2012-10-23 | Storage battery fusing protective device provided with state monitoring indication lamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220542533 CN202872351U (en) | 2012-10-23 | 2012-10-23 | Storage battery fusing protective device provided with state monitoring indication lamps |
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| Publication Number | Publication Date |
|---|---|
| CN202872351U true CN202872351U (en) | 2013-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220542533 Expired - Lifetime CN202872351U (en) | 2012-10-23 | 2012-10-23 | Storage battery fusing protective device provided with state monitoring indication lamps |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10097108B2 (en) | 2014-12-16 | 2018-10-09 | Abb Schweiz Ag | Energy panel arrangement power dissipation |
| US10348094B2 (en) | 2015-01-28 | 2019-07-09 | Abb Schweiz Ag | Energy panel arrangement shutdown |
| US10404060B2 (en) | 2015-02-22 | 2019-09-03 | Abb Schweiz Ag | Photovoltaic string reverse polarity detection |
| CN113594639A (en) * | 2021-09-28 | 2021-11-02 | 广东电网有限责任公司中山供电局 | Easy-to-operate integrated storage battery pack fusing device with visual protective cover |
-
2012
- 2012-10-23 CN CN 201220542533 patent/CN202872351U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10097108B2 (en) | 2014-12-16 | 2018-10-09 | Abb Schweiz Ag | Energy panel arrangement power dissipation |
| US10348094B2 (en) | 2015-01-28 | 2019-07-09 | Abb Schweiz Ag | Energy panel arrangement shutdown |
| US10404060B2 (en) | 2015-02-22 | 2019-09-03 | Abb Schweiz Ag | Photovoltaic string reverse polarity detection |
| CN113594639A (en) * | 2021-09-28 | 2021-11-02 | 广东电网有限责任公司中山供电局 | Easy-to-operate integrated storage battery pack fusing device with visual protective cover |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130410 |
|
| CX01 | Expiry of patent term |