CN203278309U - Circuit and device for switching on/off charging battery - Google Patents
Circuit and device for switching on/off charging battery Download PDFInfo
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- CN203278309U CN203278309U CN2013202394719U CN201320239471U CN203278309U CN 203278309 U CN203278309 U CN 203278309U CN 2013202394719 U CN2013202394719 U CN 2013202394719U CN 201320239471 U CN201320239471 U CN 201320239471U CN 203278309 U CN203278309 U CN 203278309U
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- rechargeable battery
- switch
- resistance
- control module
- switching circuit
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The utility model discloses a circuit and a device for switching on/off a charging battery. The circuit is used for switching charging/discharging current for the charging battery, and comprises a power input end, a charging module, a power output end, an electronic switch and a switch control module, wherein the charging module is connected between the power input end and the power output end; the electronic switch is respectively connected with the output end of the charging module and the anode of the charging battery to control charge and discharge of the charging battery; the switch control module is respectively connected with the electronic switch, the anode of the charging battery and the power input end; when the switch control module is connected, the electronic switch is controlled to be switched on; and when the switch control module is disconnected, the electronic switch is controlled to be switched off, and discharging of the charging battery is cut off. According to the utility model, the switch control module controls switch-on/off of the electronic switch to switch charging/discharging current for the charging battery, thereby realizing large-current switching of the charging battery, and avoiding the electric corrosion problem caused by electric shock of mechanical switches; and at the same time, the circuit and device are simple in structure, low in cost and stable and reliable in work.
Description
Technical field
The utility model relates to power technique fields, relates in particular to a kind of rechargeable battery switching circuit and device.
Background technology
Common television set all uses the power supply that exchanges to power, and stand-by operation can not affect power generation, so this kind TV is not generally established the mains switch of the disconnected function of complete shut-down in order to reduce costs.For the television set that uses alternating current-direct current work, when using battery, special consideration need to be arranged, because the finite capacity of battery, long-term stand-by operation can be complete with the tele-release of battery, exhausted cell, if can not charge timely, can reduce the life-span of battery, can damage battery in serious situation.Therefore, use the television set of rechargeable battery, the mechanical switch that cuts off the battery discharge path fully need to be arranged, allow battery in the transportation of dispatching from the factory, storage process or the long-term obsolete state of user ShiShimonoseki off line tool switch, avoid the discharge of battery, to protect battery.The selection of this mechanical switch preferential is selected common mechanical switch.But for using chargeable storage battery, this selection can bring following new problem:
1, the power consumption of television set is very large, and battery powered television set, the cell voltage of selecting can be too not high, so the discharging current of battery can be larger.The current capacity of this mechanical switch is larger than the mains switch capacity with AC power.The volume of the mechanical switch of high current capacity is large, cost is high, also is unfavorable for the appearance design of complete machine.
2, the internal resistance of storage battery is very low, and the starting current of television set is larger again, and large starting current can cause that the galvanic corrosion of mechanical switch burns out, and the mechanical switch impact electric current that is used for herein has requirement, more difficultly finds suitable mechanical switch.
If 3 users use alternating current for a long time, mechanical switch is turn-offed, battery can not get replenishing electricity for a long time, also can damage because of the self discharge of battery.
4, use the user of alternating current, mistake is turn-offed mechanical switch, and also not significantly prompting, be the reason that is damaged.
The utility model content
Main purpose of the present utility model is to propose a kind of rechargeable battery switching circuit and device, be intended to by utilizing electronic switch to replace mechanical switch to switch the rechargeable battery charging and discharging currents, realize the large current switching of rechargeable battery, the galvanic corrosion problem of avoiding mechanical switch to get an electric shock.
In order to achieve the above object, the utility model proposes a kind of rechargeable battery switching circuit, this rechargeable battery switching circuit is used for switching the charging and discharging currents of rechargeable battery, be connected with the positive pole of described rechargeable battery, comprise power input, charging module and power output end, also comprise the electronic switch that discharges and recharges be used to controlling described rechargeable battery, and comprise the switch control module that switches be used to the break-make of controlling described electronic switch, with the charging and discharging currents of controlling described rechargeable battery; Wherein,
The input of described charging module is connected with described power input, and the output of described charging module is connected with described power output end; Described electronic switch respectively with the output of described charging module be connected the positive pole of rechargeable battery and be connected, discharge and recharge to control described rechargeable battery; Described switch control module respectively with the anodal of described electronic switch, described rechargeable battery be connected power input and be connected, when described switch control module is connected, from described rechargeable battery or described power input power taking, control described electronic switch conducting, when described switch control module disconnects, control described electronic switch and turn-off, cut off described rechargeable battery discharge.
Preferably, described electronic switch comprises a metal-oxide-semiconductor, and the drain electrode of described metal-oxide-semiconductor is connected with the output of described charging module, and the source electrode of described metal-oxide-semiconductor is connected with the positive pole of described rechargeable battery, and the grid of described metal-oxide-semiconductor is connected with described switch control module; The minus earth of described rechargeable battery.
Preferably, described metal-oxide-semiconductor is the PMOS pipe.
Preferably, described switch control module comprises triode, the first resistance, cell switch, the first diode, the second diode, reference power source input and switch identification signal output part; Wherein,
The base stage of described triode is connected with described power input, and the collector electrode of described triode is connected with the grid of described metal-oxide-semiconductor via described the first resistance, the grounded emitter of described triode; One end of described cell switch is connected with the negative electrode of described the first diode, and successively via described the second diode, described the first resistance respectively with the anodal of described rechargeable battery be connected the grid of metal-oxide-semiconductor and be connected, the other end ground connection of described cell switch; The anode of described the first diode is connected with described reference power source input, and is connected with described switch identification signal output part.
Preferably, described triode is NPN type triode.
Preferably, described switch control module also comprises the second resistance; One end of described the second resistance is connected with the grid of described metal-oxide-semiconductor, and successively via described the first resistance, described the second diode and described cell switch be connected the common port of the first diode and be connected, the other end of described the second resistance is connected with the positive pole of described rechargeable battery.
Preferably, described switch control module also comprises the 3rd resistance; One end of described the 3rd resistance is connected with described reference power source input, the anodic bonding of the other end of described the 3rd resistance and described the first diode, and be connected with described switch identification signal output part.
Preferably, described switch control module also comprises the 4th resistance and the 5th resistance; Described power input is successively via described the 4th resistance and described the 5th grounding through resistance, described the 4th resistance be connected the common port of the 5th resistance and be connected with the base stage of described triode.
Preferably, described rechargeable battery switching circuit also comprises the 3rd diode; Described the 3rd diode is connected between the input of described power input and described charging module.
The utility model also proposes a kind of rechargeable battery switching device, this rechargeable battery switching device comprises rechargeable battery and rechargeable battery switching circuit, this rechargeable battery switching circuit is used for switching the charging and discharging currents of rechargeable battery, be connected with the positive pole of described rechargeable battery, comprise power input, charging module and power output end, also comprise the electronic switch that discharges and recharges be used to controlling described rechargeable battery, and comprise the switch control module that switches be used to the break-make of controlling described electronic switch, with the charging and discharging currents of controlling described rechargeable battery; Wherein,
The input of described charging module is connected with described power input, and the output of described charging module is connected with described power output end; Described electronic switch respectively with the output of described charging module be connected the positive pole of rechargeable battery and be connected, discharge and recharge to control described rechargeable battery; Described switch control module respectively with the anodal of described electronic switch, described rechargeable battery be connected power input and be connected, when described switch control module is connected, from described rechargeable battery or described power input power taking, control described electronic switch conducting, when described switch control module disconnects, control described electronic switch and turn-off, cut off described rechargeable battery discharge.
The rechargeable battery switching circuit that the utility model proposes, utilize electronic switch to replace the mechanical switch of high current capacity as the full stopcock of rechargeable battery, the charging and discharging currents of rechargeable battery is opened and turn-offed to the break-make of controlling electronic switch by switch control module, reach the purpose of the charging and discharging currents that switches rechargeable battery, realize the large current switching of rechargeable battery, avoid the galvanic corrosion problem of the mechanical switch electric shock of high current capacity.Simultaneously, the utility model also has circuit structure advantages of simple, the with low cost and reliable advantage of working stability.
Description of drawings
Fig. 1 is the theory diagram of the utility model rechargeable battery switching circuit preferred embodiment;
Fig. 2 is the electrical block diagram of the utility model rechargeable battery switching circuit preferred embodiment.
The realization of the purpose of this utility model, functional characteristics and advantage in connection with embodiment, and is described further with reference to accompanying drawing.
Embodiment
Further illustrate the technical solution of the utility model below in conjunction with Figure of description and specific embodiment.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The utility model proposes a kind of rechargeable battery switching circuit.
With reference to Fig. 1, Fig. 1 is the theory diagram of the utility model rechargeable battery switching circuit 10 preferred embodiments.
In the utility model preferred embodiment, rechargeable battery switching circuit 10 is used for switching the charging and discharging currents of rechargeable battery 20, be connected with the positive pole of rechargeable battery 20, this rechargeable battery switching circuit 10 comprises power input Vi, charging module 11, power output end Vo, electronic switch 12 and switch control module 13; Electronic switch 12 discharges and recharges for controlling rechargeable battery 20, and switch control module 13 is for the break-make of controlling electronic switch 12, to control the charging and discharging currents switching of rechargeable battery 20.
Wherein, the input of charging module 11 is connected with power input Vi, and the output of charging module 11 is connected with power output end Vo; Electronic switch 12 is connected with the positive pole that the output of charging module 11 is connected with rechargeable battery respectively, discharges and recharges to control rechargeable battery 20; Switch control module 13 is connected with power input Vi with the positive pole of electronic switch 12, rechargeable battery 20 respectively, when switch control module 13 is connected, from rechargeable battery 20 or power input Vi power taking, control electronic switch 12 conductings, when switch control module 13 disconnects, control electronic switch 12 and turn-off, cut off rechargeable battery 20 discharges.
When switch control module 13 is connected, rechargeable battery 20 is to switch control module 13 discharges, provide conducting voltage by switch control module 13 for electronic switch 12, to control electronic switch 12 conductings, the electric current of charging module 11 output outputs is rechargeable battery 20 chargings by electronic switch 12, thereby does not affect rechargeable battery 20 charging and dischargings; Perhaps switch control module 13 is from power input Vi power taking, and provide conducting voltage for electronic switch 12, control electronic switch 12 conductings, the electric current of charging module 11 outputs is rechargeable battery 20 chargings by electronic switch 12, thereby does not affect rechargeable battery 20 chargings.When switch control module 13 disconnects, electronic switch 12 is owing to not having conducting voltage to turn-off, cut off the discharge path of rechargeable battery 20, make in the occasion that does not need to use rechargeable battery 20 power supplies, rechargeable battery 20 does not discharge, save the electric energy of rechargeable battery 20, also can not be discharged because of rechargeable battery 20 and can not in time charge and damage rechargeable battery 20.
In the present embodiment, rechargeable battery switching circuit 10 utilizes electronic switch 12 to replace the mechanical switch of high current capacity as the full stopcock of rechargeable battery 20, open and turn-off the charging and discharging currents of rechargeable battery 20 by the break-make of switch control module 13 control electronic switches 12, reach the purpose of the charging and discharging currents that switches rechargeable battery 20, realize the large current switching of rechargeable battery 20, avoid the galvanic corrosion problem of the mechanical switch electric shock of high current capacity.
See figures.1.and.2, wherein Fig. 2 is the electrical block diagram of the utility model rechargeable battery switching circuit 10 preferred embodiments.
As shown in Figure 2, in the physical circuit of the utility model preferred embodiment, electronic switch 12 comprises metal-oxide-semiconductor Q1, and in the present embodiment, metal-oxide-semiconductor Q1 is preferably the PMOS pipe; The drain electrode of metal-oxide-semiconductor Q1 is connected with the output of charging module 11, and the source electrode of metal-oxide-semiconductor Q1 is connected with the positive pole of rechargeable battery 20, and the grid of metal-oxide-semiconductor Q1 is connected with switch control module 13; The minus earth of rechargeable battery 20.
In above-described embodiment, switch control module 13 comprises triode Q2, the first resistance R 1, cell switch K, the first diode D1, the second diode D2, reference power source input Vref and switch identification signal output part Vsense, in the present embodiment, triode Q2 is preferably NPN type triode.
Wherein, the base stage of triode Q2 is connected with power input Vi, and the collector electrode of triode Q2 is connected with the grid of metal-oxide-semiconductor Q1 via the first resistance R 1, the grounded emitter of triode Q2; The end of cell switch K is connected with the negative electrode of the first diode D1, and is connected grid with metal-oxide-semiconductor Q1 with the positive pole of rechargeable battery 20 respectively via the second diode D2, the first resistance R 1 successively and is connected, the other end ground connection of cell switch K; The anode of the first diode D1 is connected with reference power source input Vref, and Vsense is connected with the switch identification signal output part, when cell switch K disconnects, reference power source input Vref provides reference voltage for switch control module 13, by switch identification signal output part Vsense output switch identification signal, with the state of sign cell switch K.The first diode D1 is used for preventing when cell switch K disconnects, and the electric current of rechargeable battery 20 discharges causes the mistake of cell switch K state to identify by switch identification signal output part Vsense output; The second diode D2 is used for preventing when cell switch K disconnects, and outputs to the grid of metal-oxide-semiconductor Q1 from the reference voltage of reference power source input Vref input, makes metal-oxide-semiconductor Q1 conducting, causes cutting off the discharge path of rechargeable battery 20.
The cell switch K of the present embodiment selects low power mechanical switch, is used for controlling metal-oxide-semiconductor Q1 conducting or cut-off, and when cell switch K disconnected, triode Q2 replaced cell switch K to provide gate source voltage for metal-oxide-semiconductor Q1, controlled metal-oxide-semiconductor Q1 conducting.
In above-described embodiment, switch control module 13 also comprises the second resistance R 2; One end of the second resistance R 2 is connected with the grid of metal-oxide-semiconductor Q1, and successively via the first resistance R 1, the second diode D2 and cell switch K be connected the common port of diode D1 and be connected, the other end of the second resistance R 2 is connected with the positive pole of rechargeable battery 20.
In above-described embodiment, switch control module 13 also comprises the 3rd resistance R 3; One end of the 3rd resistance R 3 is connected with reference power source input Vref, the anodic bonding of the other end of the 3rd resistance R 3 and the first diode D1, and be connected with switch identification signal output part Vsense.
In above-described embodiment, switch control module 13 also comprises the 4th resistance R 4 and the 5th resistance R 5; Via the 4th resistance R 4 and the 5th resistance R 5 ground connection, the common port of the 4th resistance R 4 and the 5th resistance R 5 is connected with the base stage of triode Q2 power input Vi successively.Disconnect at cell switch K, and during not conducting of metal-oxide-semiconductor Q1, after the 4th resistance R 4 and the 5th resistance R 5 dividing potential drops, be added to the base stage of triode Q2, to drive triode Q2 conducting from the input voltage of power input Vi input.
In above-described embodiment, rechargeable battery switching circuit 10 also comprises the 3rd diode D3; The 3rd diode D3 is connected between the input of power input Vi and charging module 11.The 3rd diode D3 is used for preventing that the electric current of charging module 11 from pouring in down a chimney.
The operation principle of the utility model rechargeable battery switching circuit 10 specifically describes as follows:
When cell switch K is in opening, because cell switch K is closed, therefore rechargeable battery 20 is equivalent to directly receive ground via the second resistance R 2, the first resistance R 1, rechargeable battery 20 discharges, the voltage of rechargeable battery 20 output is added to the grid of metal-oxide-semiconductor Q1 after through the second resistance R 2 and the first resistance R 1 dividing potential drop, be metal-oxide-semiconductor Q1 gate source voltage is provided, control metal-oxide-semiconductor Q1 conducting, because metal-oxide-semiconductor Q1 is the two-way admittance device, so the conducting of metal-oxide-semiconductor Q1 does not affect the charging and discharging of rechargeable battery 20; Simultaneously, because cell switch K is closed, therefore the first also conducting of diode D1, with the voltage clamping of switch identification signal output part Vsense at 0.7V, the switch identification signal of switch identification signal output part Vsense output low level, sign cell switch K is in opening.
K is in off state when cell switch, and rechargeable battery 20 is in the use state, when being discharge condition, because cell switch K turn-offs, therefore be equivalent to cut off the grid of metal-oxide-semiconductor Q1-source electrode supply access, the gate source voltage of metal-oxide-semiconductor Q1 is zero, makes not conducting of metal-oxide-semiconductor Q1, has cut off the discharge path of rechargeable battery 20.Simultaneously, because cell switch K turn-offs, therefore the voltage of switch identification signal output part Vsense is not by clamper, switch identification signal output part Vsense connects reference power source input Vref through the 3rd resistance R 3, move reference voltage on the voltage of the 3rd resistance R 3 with switch identification signal output part Vsense, the current potential of switch identification signal output part Vsense is drawn high, the switch identification signal of switch identification signal output part Vsense output high level, sign cell switch K is in off state.
K is in off state when cell switch, and when rechargeable battery 20 is in charged state, triode Q2 is from power input Vi power taking, namely from the input voltage of power input Vi input after the 4th resistance R 4 and the 5th resistance R 5 dividing potential drops, be added to the base stage of triode Q2, triode Q2 conducting, triode Q2 replaces cell switch K to provide gate source voltage for metal-oxide-semiconductor Q1, controls metal-oxide-semiconductor Q1 conducting.Thereby be in the rechargeable battery 20 of charged state, close at cell switch K and have no progeny due to the effect that triode Q2 is arranged, control metal-oxide-semiconductor Q1 and continue conducting, do not affect rechargeable battery 20 and charge normal.Simultaneously, because cell switch K turn-offs, therefore the voltage of switch identification signal output part Vsense is not by clamper, switch identification signal output part Vsense connects reference power source input Vref through the 3rd resistance R 3, move reference voltage on the voltage of the 3rd resistance R 3 with switch identification signal output part Vsense, the current potential of switch identification signal output part Vsense is drawn high, the switch identification signal of switch identification signal output part Vsense output high level, sign cell switch K is in off state, thereby metal-oxide-semiconductor Q1 conducting does not affect the output of switch identification signal yet.
With respect to prior art, rechargeable battery switching circuit 10 of the present utility model, utilize electronic switch 12 to replace the mechanical switch of high current capacity as the full stopcock of rechargeable battery 20, by cell switch K and utilize the on-off action of triode Q2, control conducting or the shutoff of electronic switch 12, to realize opening and turn-offing the charging and discharging currents of rechargeable battery 20, reach the purpose of the charging and discharging currents that switches rechargeable battery 20, realize the large current switching of rechargeable battery 20, avoid the galvanic corrosion problem of the mechanical switch electric shock of high current capacity.And, cell switch K does not affect the charging of rechargeable battery 20 when turn-offing, and when rechargeable battery 20 charging, cut off the discharge path of rechargeable battery 20, make in the occasion that does not need to use rechargeable battery 20 power supplies, rechargeable battery 20 does not discharge, and the electronic switch 12 that is in off state current sinking not, rechargeable battery 20 discharges of avoiding causing due to extra current drain cause waste of energy, also can not be discharged because of rechargeable battery 20 and can not in time charge and damage rechargeable battery 20.Simultaneously, the utility model utilizes metal-oxide-semiconductor Q1, the on-off action of triode Q2 and being used in conjunction with of low-power battery K switch, compared to the mechanical switch of existing high current capacity, has simple, the with low cost and reliable advantage of working stability of circuit structure.
The utility model also proposes a kind of rechargeable battery switching device, this rechargeable battery switching device comprises rechargeable battery 20 and rechargeable battery switching circuit 10, the circuit structure of this rechargeable battery switching circuit 10, operation principle and the beneficial effect that brings repeat no more all with reference to above-described embodiment herein.
The above is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.
Claims (10)
1. rechargeable battery switching circuit, be used for switching the charging and discharging currents of rechargeable battery, be connected with the positive pole of described rechargeable battery, comprise power input, charging module and power output end, it is characterized in that, also comprise the electronic switch that discharges and recharges be used to controlling described rechargeable battery, and comprise the switch control module that switches be used to the break-make of controlling described electronic switch, with the charging and discharging currents of controlling described rechargeable battery; Wherein,
The input of described charging module is connected with described power input, and the output of described charging module is connected with described power output end; Described electronic switch respectively with the output of described charging module be connected the positive pole of rechargeable battery and be connected, discharge and recharge to control described rechargeable battery; Described switch control module respectively with the anodal of described electronic switch, described rechargeable battery be connected power input and be connected, when described switch control module is connected, from described rechargeable battery or described power input power taking, control described electronic switch conducting, when described switch control module disconnects, control described electronic switch and turn-off, cut off described rechargeable battery discharge.
2. rechargeable battery switching circuit as claimed in claim 1, it is characterized in that, described electronic switch comprises a metal-oxide-semiconductor, the drain electrode of described metal-oxide-semiconductor is connected with the output of described charging module, the source electrode of described metal-oxide-semiconductor is connected with the positive pole of described rechargeable battery, and the grid of described metal-oxide-semiconductor is connected with described switch control module; The minus earth of described rechargeable battery.
3. rechargeable battery switching circuit as claimed in claim 2, is characterized in that, described metal-oxide-semiconductor is the PMOS pipe.
4. rechargeable battery switching circuit as claimed in claim 2, is characterized in that, described switch control module comprises triode, the first resistance, cell switch, the first diode, the second diode, reference power source input and switch identification signal output part; Wherein,
The base stage of described triode is connected with described power input, and the collector electrode of described triode is connected with the grid of described metal-oxide-semiconductor via described the first resistance, the grounded emitter of described triode; One end of described cell switch is connected with the negative electrode of described the first diode, and successively via described the second diode, described the first resistance respectively with the anodal of described rechargeable battery be connected the grid of metal-oxide-semiconductor and be connected, the other end ground connection of described cell switch; The anode of described the first diode is connected with described reference power source input, and is connected with described switch identification signal output part.
5. rechargeable battery switching circuit as claimed in claim 4, is characterized in that, described triode is NPN type triode.
6. rechargeable battery switching circuit as claimed in claim 4, is characterized in that, described switch control module also comprises the second resistance; One end of described the second resistance is connected with the grid of described metal-oxide-semiconductor, and successively via described the first resistance, described the second diode and described cell switch be connected the common port of the first diode and be connected, the other end of described the second resistance is connected with the positive pole of described rechargeable battery.
7. rechargeable battery switching circuit as claimed in claim 6, is characterized in that, described switch control module also comprises the 3rd resistance; One end of described the 3rd resistance is connected with described reference power source input, the anodic bonding of the other end of described the 3rd resistance and described the first diode, and be connected with described switch identification signal output part.
8. rechargeable battery switching circuit as claimed in claim 7, is characterized in that, described switch control module also comprises the 4th resistance and the 5th resistance; Described power input is successively via described the 4th resistance and described the 5th grounding through resistance, described the 4th resistance be connected the common port of the 5th resistance and be connected with the base stage of described triode.
9. rechargeable battery switching circuit as claimed in claim 8, is characterized in that, described rechargeable battery switching circuit also comprises the 3rd diode; Described the 3rd diode is connected between the input of described power input and described charging module.
10. a rechargeable battery switching device, comprise rechargeable battery, it is characterized in that, also comprises the described rechargeable battery switching circuit of any one in claim 1 to 9, and this rechargeable battery switching circuit is connected with the positive pole of described rechargeable battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013202394719U CN203278309U (en) | 2013-05-06 | 2013-05-06 | Circuit and device for switching on/off charging battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013202394719U CN203278309U (en) | 2013-05-06 | 2013-05-06 | Circuit and device for switching on/off charging battery |
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| CN203278309U true CN203278309U (en) | 2013-11-06 |
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| CN2013202394719U Expired - Fee Related CN203278309U (en) | 2013-05-06 | 2013-05-06 | Circuit and device for switching on/off charging battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787727A (en) * | 2017-01-25 | 2017-05-31 | 北京鸿智电通科技有限公司 | A kind of power path management circuit for being applied to charging quickly source |
| CN107069901A (en) * | 2017-06-22 | 2017-08-18 | 安徽锐能科技有限公司 | power supply circuit for battery management system |
| CN112383105A (en) * | 2020-11-06 | 2021-02-19 | 广东天波信息技术股份有限公司 | Battery charging and discharging switching circuit of intelligent equipment and intelligent equipment |
| TWI749209B (en) * | 2017-04-13 | 2021-12-11 | 日商艾普凌科有限公司 | Charge and discharge control circuit and battery device |
-
2013
- 2013-05-06 CN CN2013202394719U patent/CN203278309U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787727A (en) * | 2017-01-25 | 2017-05-31 | 北京鸿智电通科技有限公司 | A kind of power path management circuit for being applied to charging quickly source |
| TWI749209B (en) * | 2017-04-13 | 2021-12-11 | 日商艾普凌科有限公司 | Charge and discharge control circuit and battery device |
| CN107069901A (en) * | 2017-06-22 | 2017-08-18 | 安徽锐能科技有限公司 | power supply circuit for battery management system |
| CN112383105A (en) * | 2020-11-06 | 2021-02-19 | 广东天波信息技术股份有限公司 | Battery charging and discharging switching circuit of intelligent equipment and intelligent equipment |
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Granted publication date: 20131106 |