CN102832671A - Online discharge device of storage battery - Google Patents
Online discharge device of storage battery Download PDFInfo
- Publication number
- CN102832671A CN102832671A CN201210328650XA CN201210328650A CN102832671A CN 102832671 A CN102832671 A CN 102832671A CN 201210328650X A CN201210328650X A CN 201210328650XA CN 201210328650 A CN201210328650 A CN 201210328650A CN 102832671 A CN102832671 A CN 102832671A
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- storage battery
- contactor
- charger
- pole double
- discharge device
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses an online discharge device of a storage battery. The online discharge device of the storage battery comprises a single-pole double-throw contactor; the connection state of a charger, the storage battery and a discharger is switched through the single-pole double-throw contactor so as to achieve the online safe discharge test; a diode is also arranged in a loop formed by the output end of the charger and the storage battery; the anode of the diode is connected with a common contact of the single-pole double-throw contactor; the cathode of the diode is connected with a normally open contact of the single-pole double-throw contactor; the normally open contact of the single-pole double-throw contactor is connected with the anode of the discharger; the common contact of the contactor is connected with the anode of the storage battery, and the normally closed contact of the contactor is connected with the output anode of the charger. A one-way conductive characteristics isolation charger of employing the diode cannot charge the battery when discharging, so that the storage battery can be discharged; in addition, the online discharge device plays a fly-wheel role when the electric supply is interrupted, and the storage battery is switched into direct current load to supply electricity when the electric supply is cut off suddenly in a discharge experiment, and the online discharge device has the characteristics of being simple in structure and convenient to use.
Description
Technical field
The present invention relates to the online electric discharge device of storage battery, can be applied to electric power, communication, the online discharge of the storage battery of industries such as battery avoids circuit DC load dead electricity dangerous.
Background technology
Modern electric industry communications industry need provide back-up source by storage battery, and storage battery occupies an important position, and safeguards storage battery and is operated in the important process that good state is the staff by it; Maintenance free cell has several method, and with reference to Fig. 1, traditional charging method is to pull out the storage battery fuse; Let storage battery be in off-line state, the charger powering load, charger can not charge a battery; Discharge instrument is received on the storage battery and is discharged, and storage battery can not be in time to the DC load power supply when shortcoming was the civil power interruption, the DC load outage; The regular event of influence protection cabinet; To make a big impact, to let storage battery keep supplying direct current to load all right if when discharge can be when mains failure switches in zero second, and the instrument that discharges simultaneously quits work.
Summary of the invention
The technical problem that the present invention will solve provides the online electric discharge device of storage battery, and when carrying out discharge test, when civil power breaks off suddenly, switching storage battery is the DC load power supply, and when civil power interrupts, lets discharge instrument stop to discharge.Characteristics simple in structure, easy to use.
For achieving the above object, technical scheme of the present invention is following:
The online electric discharge device of storage battery; Comprise a single-pole double throw contactor, switch charger, the connection status of storage battery and discharge instrument through the single-pole double throw contactor; Realize the safety on line discharge test; Also be provided with diode, the common of said diode cathode order dpdt double-pole double-throw (DPDT) contactor, the normally opened contact of diode cathode order dpdt double-pole double-throw (DPDT) contactor in the loop that the output of charger and storage battery constitute.
Preferably, the normally opened contact of said single-pole double throw contactor connects the positive pole of discharge instrument, and the common of single-pole double throw contactor connects the positive pole of storage battery, and the normally-closed contact of single-pole double throw contactor connects the output cathode of charger.
Preferably, said diode side parallel connection is provided with an air switch, is used for manual poweredly, uses flexibly.
Preferably, be provided with the fuse F 1 of protection circuit in the loop of the formation of said storage battery and contactor.
Preferably, said charger side is connected in parallel to load, and the charger powering load is arranged when storage battery carries out discharge test.
Through technique scheme, the invention has the beneficial effects as follows:
Utilize the unilateal conduction characteristic of diode to isolate charger voltage, when civil power interrupts, play the afterflow effect in addition, when civil power just often; The charger output voltage is higher than cell voltage, diode reverse biased, not conducting; When the civil power outage, the charger output voltage reduces, when being lower than battery tension; The diode forward conducting was switched the storage battery powering load, and was broken off the discharge instrument direct current simultaneously in zero second; Discharge instrument does not stop discharge because of there being direct current, and air switch and circuit breaker play overcurrent protection.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the prior art fundamental diagram in online when discharge.
Fundamental diagram when Fig. 2 discharges for the present invention is online.
Fig. 3 under the civil power interruption situation of the present invention fundamental diagram.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect and be easy to understand and understand, below in conjunction with concrete diagram, further set forth the present invention.
With reference to Fig. 2 and Fig. 3, the online electric discharge device of storage battery comprises a single-pole double throw contactor K1; Switch charger through single-pole double throw contactor K1; The connection status of storage battery and discharge instrument realizes the safety on line discharge test, also is provided with diode in the loop that output of charger (being the bus load end) and storage battery constitute; The common of said diode cathode order dpdt double-pole double-throw (DPDT) contactor K1, the normally opened contact of diode cathode order dpdt double-pole double-throw (DPDT) contactor K1.
Preferably, the normally opened contact of said single-pole double throw contactor K1 connects the positive pole of discharge instrument, and the common of single-pole double throw contactor K1 connects the positive pole of storage battery, and the normally-closed contact of single-pole double throw contactor K1 connects the output cathode of charger.
Preferably, said diode side parallel connection is provided with an air switch, is used for manual poweredly, uses flexibly.
Preferably, be provided with the fuse F 1 of protection circuit in the loop of the formation of said storage battery and contactor.
Preferably, said charger side is connected in parallel to load, and the charger powering load is arranged when storage battery carries out discharge test.
Storage battery is in process of the test, and order dpdt double-pole double-throw (DPDT) contactor K1 moved when civil power was arranged, and accumulator positive polar curve and discharge instrument electrode line are connected; Discharge instrument regular picture, current direction are that anode is to circuit breaker F1, to single-pole double throw contactor K1 normally opened contact; To the discharge instrument electrode line; Anodal to discharge instrument, to the discharge instrument negative pole, arrive GND again; During single-pole double throw contactor K1 adhesive, anode line and charger output are broken off, owing to diode D1 reverse biased is ended; Charger can not charge a battery; Charger is supplied power to DC load, and current direction is: anodal by charger, and anodal to DC load; To the DC load negative pole, arrive the charger negative pole again.
Fuse F1 is an overcurrent protection usefulness, and air switch S1 is manual powered, and backup circuit breaker breaks off at ordinary times, in particular cases uses or uses expanded function the time.
Civil power interrupts suddenly in discharge process, and single-pole double throw contactor K1 discharges, and cuts off discharge instrument; Connect battery positive voltage and DC load anodal (charger output cathode just) in addition, the assurance DC load is not cut off the power supply, and diode is to switch also imperfect tense at single-pole double throw contactor K1; When the charger output voltage is lower than battery tension, switched in zero second, dual fail-safe, battery current from battery positive voltage to circuit breaker F1; Through diode D1, single-pole double throw contactor K1 normally-closed contact, charger output cathode line; The DC load electrode line, the DC load negative pole arrives battery terminal negative again.
Utilize the unilateal conduction characteristic of diode to isolate charger voltage, when civil power interrupts, play the afterflow effect in addition, when civil power just often, the charger output voltage is higher than cell voltage; Diode reverse biased, not conducting, when the civil power outage, the charger output voltage reduces; When being lower than battery tension, diode forward conducting, zero second switching storage battery powering load; Break off the discharge instrument direct current simultaneously, discharge instrument does not stop discharge because of there being direct current, and air switch and fuse play overcurrent protection.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technical staff of the industry should understand; The present invention is not restricted to the described embodiments; That describes in the foregoing description and the specification just explains principle of the present invention; Under the prerequisite that does not break away from spirit and scope of the invention, the present invention also has various changes and modifications, and these variations and improvement all fall in the scope of the invention that requires protection.The present invention requires protection range to be defined by appending claims and equivalent thereof.
Claims (5)
1. the online electric discharge device of storage battery; It is characterized in that: comprise a single-pole double throw contactor, switch charger, the connection status of storage battery and discharge instrument through the single-pole double throw contactor; Realize the safety on line discharge test; Also be provided with diode, the common of said diode cathode order dpdt double-pole double-throw (DPDT) contactor, the normally opened contact of diode cathode order dpdt double-pole double-throw (DPDT) contactor in the loop that the output of charger and storage battery constitute.
2. the online electric discharge device of storage battery according to claim 1; It is characterized in that: the normally opened contact of said single-pole double throw contactor connects the positive pole of discharge instrument; The common of single-pole double throw contactor connects the positive pole of storage battery, and the normally-closed contact of single-pole double throw contactor connects the output cathode of charger.
3. the online electric discharge device of storage battery according to claim 1 is characterized in that: said diode side parallel connection is provided with an air switch, is used for manual poweredly, uses flexibly.
4. the online electric discharge device of storage battery according to claim 1 is characterized in that: the fuse F 1 that is provided with protection circuit in the loop of the formation of said storage battery and contactor.
5. the online electric discharge device of storage battery according to claim 1 is characterized in that: said charger side is connected in parallel to load, and the charger powering load is arranged when storage battery carries out discharge test.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210328650XA CN102832671A (en) | 2012-09-06 | 2012-09-06 | Online discharge device of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210328650XA CN102832671A (en) | 2012-09-06 | 2012-09-06 | Online discharge device of storage battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102832671A true CN102832671A (en) | 2012-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210328650XA Pending CN102832671A (en) | 2012-09-06 | 2012-09-06 | Online discharge device of storage battery |
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| Country | Link |
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| CN (1) | CN102832671A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472402A (en) * | 2013-09-17 | 2013-12-25 | 国家电网公司 | Storage battery on-line discharging device |
| CN112737041A (en) * | 2020-12-31 | 2021-04-30 | 陈玥 | Battery series charging and discharging circuit and charging and discharging control method |
| CN113555857A (en) * | 2021-07-02 | 2021-10-26 | 西安交通大学 | Fast fuse device based on enhanced transfer of arc voltage |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087734A (en) * | 1975-09-29 | 1978-05-02 | National Mine Service Company | Charging circuit for combination trolley and battery powered locomotives |
| CN202616871U (en) * | 2012-06-08 | 2012-12-19 | 上海奥鑫能源科技有限公司 | Zero second switching protection device of storage battery |
-
2012
- 2012-09-06 CN CN201210328650XA patent/CN102832671A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4087734A (en) * | 1975-09-29 | 1978-05-02 | National Mine Service Company | Charging circuit for combination trolley and battery powered locomotives |
| CN202616871U (en) * | 2012-06-08 | 2012-12-19 | 上海奥鑫能源科技有限公司 | Zero second switching protection device of storage battery |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103472402A (en) * | 2013-09-17 | 2013-12-25 | 国家电网公司 | Storage battery on-line discharging device |
| CN112737041A (en) * | 2020-12-31 | 2021-04-30 | 陈玥 | Battery series charging and discharging circuit and charging and discharging control method |
| CN113555857A (en) * | 2021-07-02 | 2021-10-26 | 西安交通大学 | Fast fuse device based on enhanced transfer of arc voltage |
| CN113555857B (en) * | 2021-07-02 | 2024-05-17 | 西安交通大学 | Quick fusing device based on arc voltage enhanced transfer |
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Application publication date: 20121219 |