CN203406658U - Storage battery detection device of direct current system - Google Patents
Storage battery detection device of direct current system Download PDFInfo
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- CN203406658U CN203406658U CN201320563526.1U CN201320563526U CN203406658U CN 203406658 U CN203406658 U CN 203406658U CN 201320563526 U CN201320563526 U CN 201320563526U CN 203406658 U CN203406658 U CN 203406658U
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- storage battery
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- 238000001514 detection method Methods 0.000 title abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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Abstract
The utility model provides a storage battery detection device of a direct current system. A processor of the device outputs a closing control signal according to an operation instruction to control closing of a relay, so a contactor is powered on, a normally-opened contact switch of the contactor is closed, the normally-closed contact switch of the contactor is opened, a storage battery and the normally-opened contact switch form a conductive circuit, the storage battery discharges. After discharging is over, the processor outputs an opening control signal according to an operation instruction to control opening of the relay, so the contactor is powered off, the normally-opened contact switch of the contactor is opened, the normally-closed contact switch of the contactor is closed, the storage battery and an alternating current power source of the direct current system form a conductive circuit, and the storage battery is charged by the alternating current power source. Charging and discharging of the storage battery are controlled without through manual operation, detection efficiency is improved.
Description
Technical field
The utility model relates to field of power, especially relates to a kind of detecting device for storage battery of direct current system.
Background technology
Direct current system is an independently power supply, is widely used in all kinds of power plants and transformer station, is the motivational guarantee of all kinds of power plants, transformer station.In the situation that AC interruptions is powered, the storage battery of direct current system can continue to externally fed as stand-by power supply.
Referring to Fig. 1, show a kind of wiring schematic diagram of direct current system.This direct current system mainly comprises: AC power, the load being connected with AC-AC power supply by switch Q1, the storage battery being connected with AC power by switch Q2, and the switch Q3 being connected with two terminals of storage battery.The in the situation that of normal power supply, switch Q1 and switch Q2 are in closed state, and switch Q3 is in off-state, and now AC power is to load and storage battery power supply, and when AC power power-off, storage battery continues power supply by Q1 and Q2 to load.
At present, to the testing of storage battery be mainly regularly to scene to the storage battery property checked discharge test.When to the storage battery property checked discharge test, first disconnect Q2, stop the power supply of AC power to storage battery, and then closed Q3, realize the electric discharge of storage battery.After electric discharge finishes, disconnect Q3, closed Q2, realizes the charging of storage battery, thereby storage battery is carried out to charge and discharge process largely, to detect the capacity of storage battery.
Yet, adopt existing method to detect, need operating personnel at the scene to switch Q2 and switch Q3 manual operation, efficiency is low.
Utility model content
In view of this, the utility model discloses a kind of detecting device for storage battery of direct current system, to improve the detection efficiency of storage battery.
For achieving the above object, the utility model provides following technical scheme:
A detecting device for storage battery for direct current system, comprising: according to operational order, output disconnects the processor of control signal or Closed control signal;
With the relay that described processor is connected, described relay disconnects according to described disconnection control signal or is closed according to described Closed control instruction;
Be connected with described relay, and be provided with the contactor of normally-closed contact switch and normally opened contact switch;
Wherein,
The two ends of the normally-closed contact switch of described contactor are connected with the AC power of described storage battery and described direct current system respectively;
The two ends of the normally opened contact switch of described contactor are connected with described storage battery respectively.
Preferably, described device also comprises: with the diode of the normally-closed contact switch in parallel of described contactor;
The anode of described diode is connected with described storage battery;
The negative electrode of described diode is connected with the AC power of described direct current system.
Compared with prior art, the utility model provides a kind of detecting device for storage battery of direct current system.This device comprises: processor, the relay being connected with processor and the contactor being connected with relay.Wherein, the two ends of the normally-closed contact switch of this contactor are connected with the AC power of storage battery and direct current system respectively, and the two ends of the normally opened contact switch of contactor are connected with two terminals of storage battery respectively.When needs discharge to storage battery, processor control relay is closed, and the contactor being now connected with relay obtains electric.And then the normally closed bottom contact switch of contactor disconnects, normally opened contact switch is closed, and now storage battery forms path, battery discharging with the normally opened contact switch in closure state.After electric discharge finishes, processor control relay disconnects, now, contactor power-off, it is normal that the normally opened contact switch of contactor and normally-closed contact switch recover, and between storage battery and DC power supply, forms path, and DC power supply is charged to storage battery.Like this, can carry out remote auto control to storage battery, improve the checking efficiency of storage battery.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 shows a kind of wiring schematic diagram of direct current system;
Fig. 2 shows the wiring schematic diagram of an embodiment of the detecting device for storage battery of a kind of direct current system of the utility model;
Fig. 3 shows the wiring schematic diagram of another embodiment of the detecting device for storage battery of a kind of direct current system of the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Referring to Fig. 2, show the wiring schematic diagram of an embodiment of the detecting device for storage battery of a kind of direct current system of the utility model.In the present embodiment, this device comprises: processor 1, the relay 2 being connected with processor 1 and the contactor 3 being connected with relay 2.
Wherein, this contactor is provided with normally-closed contact switch 31 and normally opened contact switch 32.This normally-closed contact switch 31 is connected with the AC power 5 of storage battery 4 and direct current system respectively.When this normally-closed contact switch 31 is during in closure state, AC power 5 forms path conventionally with between storage battery 4, and AC power 5 can be charged to storage battery 4.Meanwhile, when AC power 5 power-off, storage battery 4 also can be to load 6 power supplies.
In addition, two lead ends of the normally opened contact switch 32 of contactor 3 are connected with storage battery 4 respectively.When normally opened contact switch 32 is during in closure state, storage battery 4 forms paths with normally opened contact switch 32, and storage battery 4 starts electric discharge.It should be noted that, in order to guarantee the safety of storage battery in discharge process, conventionally between storage battery 4 and normally opened contact switch, be connected with resistance (not shown in FIG.), to guarantee that storage battery 4 can not form short circuit.
It should be noted that, this processor 1, for disconnecting control signal or Closed control signal according to operational order to relay 2 outputs.
When relay 2 receives the Closed control signal of processor 1 output, the contact-making switch of relay 2 is closed, the contactor 3 being now connected with relay 2 obtains electric, the normally-closed contact switch 31 of contactor 3 disconnects, normally opened contact switch 32 closures, now storage battery 4 forms path with normally opened contact switch 32, and storage battery 4 starts electric discharge, thereby completes the electric discharge of storage battery 4.
After electric discharge completes, this processor 1 disconnects control signal according to operational order to relay 2 outputs, and the contact-making switch of relay 2 disconnects, contactor 3 power-off that are now connected with relay 2.Normally-closed contact switch 31 closures of contactor 3, normally opened contact switch 32 disconnects, and now between the AC power 5 of storage battery 4 and direct current system, forms path, and AC power 5 is charged to storage battery 4, thereby completes the charging of storage battery 4.
Optionally, in order to control storage battery more accurately, can adopt a plurality of relays and a plurality of contactor to control respectively discharging and recharging of storage battery.Such as: adopt the first contactor be provided with normally-closed contact switch and the second contactor that is provided with normally opened contact, and the first contactor and the second contactor respectively with the first relay and the second relay corresponding being connected one by one.
Compared with prior art, the utility model adopts normally opened contact switch and the normally-closed contact switch of contactor to replace hand switch of the prior art.And then adopt processor to control disconnection or the closure of normally-closed contact switch and normally opened contact switch, and to realize the remote auto discharging and recharging of storage battery, control, improved detection efficiency.
Referring to Fig. 3, show the winding diagram of another embodiment of the detecting device for storage battery of a kind of direct current system of the utility model
In the process in storage battery 4 electric discharges, may occur that AC power 5 stops the situation of supplying power for outside.Thereby in order to guarantee the normal operation of system supplying power for outside, this device also comprises: the diode 7 in parallel with normally-closed contact switch 31.Wherein, the anode of diode 7 is connected with storage battery 4, and the negative electrode of diode 7 is connected with the AC power of direct current system 5.
When in storage battery 4 discharge processes, when main battery stops supplying power for outside, storage battery 4 can be by 7 pairs of loads of diode, 6 power supplies.And then processor 1 output function instruction, controls normally-closed contact switch 31 in closed state, the state of normally opened contact switch 32 in disconnecting, now storage battery 4 stops discharge examination.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (2)
1. a detecting device for storage battery for direct current system, is characterized in that, comprising: according to operational order, output disconnects the processor of control signal or Closed control signal;
With the relay that described processor is connected, described relay disconnects according to described disconnection control signal or is closed according to described Closed control instruction;
Be connected with described relay, and be provided with the contactor of normally-closed contact switch and normally opened contact switch;
Wherein,
The two ends of the normally-closed contact switch of described contactor are connected with the AC power of described storage battery and described direct current system respectively;
The two ends of the normally opened contact switch of described contactor are connected with described storage battery respectively.
2. device according to claim 1, is characterized in that, described device also comprises: with the diode of the normally-closed contact switch in parallel of described contactor;
The anode of described diode is connected with described storage battery;
The negative electrode of described diode is connected with the AC power of described direct current system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563526.1U CN203406658U (en) | 2013-09-11 | 2013-09-11 | Storage battery detection device of direct current system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320563526.1U CN203406658U (en) | 2013-09-11 | 2013-09-11 | Storage battery detection device of direct current system |
Publications (1)
| Publication Number | Publication Date |
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| CN203406658U true CN203406658U (en) | 2014-01-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320563526.1U Expired - Fee Related CN203406658U (en) | 2013-09-11 | 2013-09-11 | Storage battery detection device of direct current system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916856A (en) * | 2014-03-13 | 2015-09-16 | 大连融科储能技术发展有限公司 | Energy storage system capable of increasing operational reliability of flow battery and method thereof |
| CN109921500A (en) * | 2019-04-23 | 2019-06-21 | 深圳供电局有限公司 | Export circuit for regulating and controlling and charger |
| CN110658477A (en) * | 2019-09-02 | 2020-01-07 | 上海科梁信息工程股份有限公司 | Power supply test system of automobile |
| CN110890791A (en) * | 2019-12-10 | 2020-03-17 | 国网河南省电力公司镇平县供电公司 | System and method for reflecting data information of power monitoring platform |
| CN112072741A (en) * | 2020-09-04 | 2020-12-11 | 锦浪科技股份有限公司 | One-key starting system and method for household energy storage system |
-
2013
- 2013-09-11 CN CN201320563526.1U patent/CN203406658U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104916856A (en) * | 2014-03-13 | 2015-09-16 | 大连融科储能技术发展有限公司 | Energy storage system capable of increasing operational reliability of flow battery and method thereof |
| CN104916856B (en) * | 2014-03-13 | 2017-04-26 | 大连融科储能技术发展有限公司 | Energy storage system capable of increasing operational reliability of flow battery and method thereof |
| CN109921500A (en) * | 2019-04-23 | 2019-06-21 | 深圳供电局有限公司 | Export circuit for regulating and controlling and charger |
| CN110658477A (en) * | 2019-09-02 | 2020-01-07 | 上海科梁信息工程股份有限公司 | Power supply test system of automobile |
| CN110890791A (en) * | 2019-12-10 | 2020-03-17 | 国网河南省电力公司镇平县供电公司 | System and method for reflecting data information of power monitoring platform |
| CN112072741A (en) * | 2020-09-04 | 2020-12-11 | 锦浪科技股份有限公司 | One-key starting system and method for household energy storage system |
| CN112072741B (en) * | 2020-09-04 | 2022-05-17 | 锦浪科技股份有限公司 | Method and device for realizing one-key starting of household energy storage system |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20140122 Termination date: 20200911 |