CN2235670Y - Protector of accumulator for charging or discharging - Google Patents
Protector of accumulator for charging or discharging Download PDFInfo
- Publication number
- CN2235670Y CN2235670Y CN 95211193 CN95211193U CN2235670Y CN 2235670 Y CN2235670 Y CN 2235670Y CN 95211193 CN95211193 CN 95211193 CN 95211193 U CN95211193 U CN 95211193U CN 2235670 Y CN2235670 Y CN 2235670Y
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- China
- Prior art keywords
- triode
- storage battery
- resistance
- pin
- connects
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- Expired - Fee Related
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a protector of an accumulator for charging or discharging used for an accumulator, which can somewhat exactly realize the protection for the charging or the discharging of the accumulator. When the detection circuit of the protector detects that the working voltage of the accumulator 26 achieves the threshold voltage of overcharge or overdischarge, a relay 21 can automatically cut off a charging return circuit or charge; simultaneously, the acoustooptical alarm can be carried out; the accumulator 26 can be protected; the utility model has simple circuit and low cost.
Description
The utility model relates to a kind of protector, particularly the accumulator cell charging and discharging protector.
At present, most of equipment such as inverter, automobile, emergency light etc. all use storage battery.Known accumulator protecting device has mostly adopted voltage stabilizing didoe on circuit structure, lean on the voltage stabilizing value of voltage stabilizing didoe that the charging and discharging of accumulator threshold voltage is set.But the voltage stabilizing didoe for a certain exact value of actual selection is relatively more difficult, the also difficult protection that accurately realizes accumulator cell charging and discharging; Though the storage battery that uninterrupted stabilized voltage power supply is used has solved the problems referred to above, because its circuit structure complexity, components and parts cost an arm and a leg, and are difficult for promotion and implementation.
The purpose of this utility model is to avoid above-mentioned the deficiencies in the prior art and provides a kind of more accurately accumulator cell charging and discharging to be protected and accumulator cell charging and discharging protector that circuit is simple, practical.
The purpose of this utility model reaches by the following technical programs: reach and overcharge or during the overdischarge threshold voltage when testing circuit detects storage battery 26 operating voltages; relay 21 cuts off charge circuit or load automatically; protection storage battery 26 carries out sound and light alarm simultaneously.
The utility model has following effect compared to prior art: owing to adopt adjustable resistance (R2; R9) replaced voltage stabilizing didoe in the past; can accurately set the accumulator cell charging and discharging threshold voltage easily; realized protection to charging and discharging of accumulator; moreover used relay all is finished parts with other components and parts; cheap, circuit is simple, practical.
Fig. 1 is a circuit structure diagrammatic sketch of the present utility model.
Below in conjunction with accompanying drawing will the utility model is described in further detail:
As shown in Figure 1, resistance (R1, R2), (R8, it is R9) corresponding that (its other end connects respectively on storage battery 26 positive and negative electrodes, is used to detect the voltage status of storage battery 26 for T4, T11) base stage connection with triode; Resistance (R3, R5} connects triode T4 collector electrode and NAND gate U12 pin 6, and its other end connects storage battery 26 positive poles and triode T7 base stage respectively; Resistance (R6, R10) corresponding triode (T7, T11) collector electrode and NAND gate U12 pin 12, pin (1,2,5), its other end and 26 anodal linking to each other of storage battery of connecting; Resistance R 17 connects triode T18 base stage and capacitor C 20, its other end connects NAND gate U12 pin 10, the other end of capacitor C 20 and triode (T18, T19) the positive level of collector electrode, relay 21 and diode D25 links to each other, connect storage battery 26 positive terminals behind the other end of diode D25 negative pole connection relay 21, triode (T18) emitter links to each other with triode (T19) base stage; When reaching the charge and discharge threshold voltage, the voltage of storage battery, provided working power for voice guard 27 simultaneously in order to cut off charge circuit or load; Light-emitting diode (D14, D16) the corresponding NAND gate U12 pin (11 that connects of negative pole, 9), pin (8,4), (R13's its positive terminal R15) is connected with resistance respectively, resistance (R13, R15) another termination storage battery 26 positive poles overcharge when the voltage of storage battery 26 reaches, and report to the police in order to luminous form during the discharge threshold voltage.Adjustable resistance (R2, sliding end R9), triode (T4, T7 wherein, T11, T19) emitter, NAND gate U12 pin 7 all connect storage battery 26 negative poles, and NAND gate U12 pin 14 connects storage battery 26 positive poles, its pin (3,13) connect triode (T4, T7 voluntarily, T11, T18 T19) all is NPN type silicon triode, and relay 21 adopts a swing arm 22, a normally-closed contact 24 and a normally opened contact 23; Connect voice guard 27 between storage battery 26 negative poles and normally opened contact 23, swing arm 22 connects the positive pole of storage battery 26.
When storage battery 26 when load (as inverter, emergency light etc.) is powered, the positive and negative electrode of load is connected with the normally-closed contact 24 of relay 21 and the negative pole of storage battery 26 respectively.When if the voltage of storage battery 26 drops to the discharge threshold voltage because of discharge; triode (T4; T7) all be operated in cut-off state; the pin (10 of NAND gate U12; 11) output high level; pin 4 output low levels, (T18 T19) is operated in saturation condition to triode; the normally-closed contact 24 of relay 21 disconnects with swing arm 22; cut off load circuit, avoid storage battery 26 overdischarge, normally opened contact 23 contacts with swing arm 22 simultaneously; voice guard 27 is reported to the police; light-emitting diode D16 is luminous, and carry out light and report to the police, thus protection storage battery 26.
When storage battery 26 was charged, the charger positive and negative electrode linked to each other with the normally-closed contact 24 of relay 21 and the negative pole of storage battery 26 respectively.If the voltage of storage battery 26 is right because of charging rises to charge threshold voltage; triode (T4; T7) all be operated in saturation condition; NAND gate U12 pin (4; 10) output high level; pin 11 output low levels, (T18 T19) is operated in saturation condition to triode; the normally-closed contact 24 of relay 21 disconnects with swing arm 22; cut off charging circuit, avoid storage battery 26 to overcharge, normally opened contact 23 contacts with swing arm 22 simultaneously; voice guard 27 is reported to the police; light-emitting diode D14 is luminous, and carry out light and report to the police, thus protection storage battery 26.
When storage battery 26 being charged or during 26 pairs of electric of storage battery, if the voltage of storage battery 26 is between charge threshold voltage and discharge threshold voltage, triode T4 is operated in saturation condition, triode T11 is operated in cut-off state, NAND gate U12 pin (4,11) output high level, pin 10 output low levels, (T18 T19) is operated in cut-off state to triode, and relay 21 is not worked, voice guard 27 is not reported to the police, (storage battery 26 is working properly for D14, D16) all not luminous warning for light-emitting diode.
Claims (5)
1. accumulator cell charging and discharging protector of realizing on storage battery is characterized in that it comprises:
(1) by resistance (R1, R8) and adjustable resistance (R2, R9) the detection battery tension status detection circuit of Zu Chenging, resistance (R1, R2), (R8, R9) corresponding and triode (T4, T11) base stage connects, its other end connects respectively on storage battery (26) positive and negative electrode;
(2) by resistance (R3, R5, R6, R10), triode (T4, T7, T11) and the control circuit formed of NAND gate (U12), (R3 R5) connects triode (T4) collector electrode and NAND gate (U12) pin 6 to resistance, and its other end connects storage battery (26) positive pole and triode (T7) base stage respectively; Resistance (R6, R10) (its other end links to each other with storage battery (26) is anodal corresponding connection triode for T7, T11) collector electrode and NAND gate (U12) pin 12, pin (1,2,5);
(3) by relay (21), resistance (R17), electric capacity (C20), triode (T18, T19) and the drive circuit formed of diode (D25), resistance (R17) connects triode (T18) base stage and electric capacity (C20), its other end connects NAND gate (U12) pin 10, the other end of electric capacity (C20) and triode (T18, T19) the positive level of collector electrode, relay (21) and diode (D25) links to each other, connect storage battery (26) positive terminal behind the other end of diode (D25) negative pole connection relay (21), triode (T18) emitter links to each other with triode (T19) base stage;
(4) by resistance (R13, R15) and light-emitting diode (D14, D16) the luminous warning circuit of Zu Chenging, light-emitting diode (D14, corresponding NAND gate (U12) pin (11 that connects of negative pole D16), 9), pin (8,4), (R13's its positive terminal R15) is connected with resistance respectively, resistance (R13, R15) another termination storage battery (26) positive pole;
Above-mentioned adjustable resistance (R2, sliding end R9), triode (T4, T7, T11, emitter T19) all connect storage battery (26) negative pole, and NAND gate (U12) pin (14,7) connects storage battery (26) positive and negative electrode respectively, and its pin (3,13) connects voluntarily.
2. accumulator cell charging and discharging protector according to claim 1 is characterized in that: and triode (T4, T7, T11, T18 T19) all is NPN type silicon triode.
3. accumulator cell charging and discharging protector according to claim 1 is characterized in that: relay (21) adopts a swing arm (22), a normally opened contact (23) and a normally-closed contact (24).
4. according to claim 1 or 3 described accumulator cell charging and discharging protectors, it is characterized in that: swing arm (22) connects storage battery (26) positive pole.
5. according to claim 1 or 3 described accumulator cell charging and discharging protectors, it is characterized in that: between the normally opened contact (23) of relay (21) and storage battery (26) negative pole, connect voice guard (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95211193 CN2235670Y (en) | 1995-05-19 | 1995-05-19 | Protector of accumulator for charging or discharging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95211193 CN2235670Y (en) | 1995-05-19 | 1995-05-19 | Protector of accumulator for charging or discharging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2235670Y true CN2235670Y (en) | 1996-09-18 |
Family
ID=33861721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95211193 Expired - Fee Related CN2235670Y (en) | 1995-05-19 | 1995-05-19 | Protector of accumulator for charging or discharging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2235670Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394080A (en) * | 2007-09-21 | 2009-03-25 | 深圳市比克电池有限公司 | Battery pack protection circuit |
| CN101949982A (en) * | 2010-07-30 | 2011-01-19 | 深圳市今朝时代新能源技术有限公司 | Super capacitor detection and control circuit system |
| CN107846001A (en) * | 2016-09-18 | 2018-03-27 | 上海旷驰投资发展有限公司 | The super temperature protective device of electronics three-stage excessively stream |
-
1995
- 1995-05-19 CN CN 95211193 patent/CN2235670Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101394080A (en) * | 2007-09-21 | 2009-03-25 | 深圳市比克电池有限公司 | Battery pack protection circuit |
| CN101394080B (en) * | 2007-09-21 | 2012-12-19 | 深圳市比克电池有限公司 | Battery pack protection circuit |
| CN101949982A (en) * | 2010-07-30 | 2011-01-19 | 深圳市今朝时代新能源技术有限公司 | Super capacitor detection and control circuit system |
| CN101949982B (en) * | 2010-07-30 | 2013-02-13 | 深圳市今朝时代新能源技术有限公司 | Super capacitor detection and control circuit system |
| CN107846001A (en) * | 2016-09-18 | 2018-03-27 | 上海旷驰投资发展有限公司 | The super temperature protective device of electronics three-stage excessively stream |
| CN107846001B (en) * | 2016-09-18 | 2019-02-22 | 上海旷驰投资发展有限公司 | The super temperature protective device of electronics three-stage overcurrent |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |