CN204905906U - Control circuit , charging device and charging system charge - Google Patents

Control circuit , charging device and charging system charge Download PDF

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Publication number
CN204905906U
CN204905906U CN201520473166.5U CN201520473166U CN204905906U CN 204905906 U CN204905906 U CN 204905906U CN 201520473166 U CN201520473166 U CN 201520473166U CN 204905906 U CN204905906 U CN 204905906U
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China
Prior art keywords
switch element
rechargeable battery
charging
control unit
output end
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CN201520473166.5U
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Chinese (zh)
Inventor
郑大阳
刘元财
王雷
王文韬
詹军成
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Shenzhen Dajiang Innovations Technology Co Ltd
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Shenzhen Dajiang Innovations Technology Co Ltd
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Abstract

The utility model provides a control circuit charges, include: battery charging unit, the power output end for a plurality of, is used for respectively being connected with a plurality of rechargeable battery, and right a plurality of rechargeable battery charge, and the control unit, with the battery charging unit electricity is connected, wherein, the control unit control battery charging unit is right according to a charge mode a plurality of batteries charge, a charge mode includes: according to the order of a plurality of rechargeable battery's battery voltage from high to low is charged to first default in proper order, charge once more to all rechargeable battery to charge to the second default. The aforesaid is charged control circuit and is not had high voltage battery and carry out big current discharge's the circumstances to the low -tension battery, can play effective protection rechargeable battery's purpose. The utility model provides a charging device and charging system.

Description

Charging control circuit, charging device and charging system
Technical field
The utility model relates to battery boosting technology field, particularly relates to a kind of charging control circuit, charging device and charging system.
Background technology
At present, the electronic installation such as portable mobile termianl, camera, photographic equipment mostly with multiple can the battery of recharging.When the electricity of battery is finished, need to use charger to charge to the plurality of battery.
Charging modes common is in the market that polylith rechargeable battery is in parallel, to unify charging to the rechargeable battery set after parallel connection.Such as, but this kind of mode exists more deficiency, after having the rechargeable battery parallel connection of different magnitude of voltage, high-voltage battery may be caused to discharge to low-voltage battery, and discharging current can be very large usually, easily causes danger.In addition, after multiple rechargeable battery parallel connection, in charging process, charger may first charge to low-voltage battery, because once being full of is exactly that one piece, several battery is full of, if want in charging process to use the battery be full of, then need to wait for the long period, be not easy to user and use.
Utility model content
In view of above content, be necessary to provide a kind of charging control circuit, charging device and charging system.
A kind of charging control circuit, comprising:
Charhing unit;
Power output end, for multiple, are respectively used to be connected with multiple rechargeable battery, and charge to described multiple rechargeable battery; And
Control unit, is electrically connected with described charhing unit;
Wherein, described control unit controls described charhing unit and charges to described multiple battery according to the first charge mode, described first charge mode is: successively described multiple rechargeable battery is charged to the first preset value respectively according to the cell voltage order from high to low of described multiple rechargeable battery, all rechargeable batteries are charged again more simultaneously, and charging to the second preset value, described first preset value is less than the second preset value.
Further, described control unit is field programmable gate array, is embedded with the one in the microcontroller chip of control program or single-chip microcomputer.
Further, described charging control circuit also comprises:
Switch element, described switch element is connected between described charhing unit and described multiple power output end; And
Mode switch element, is electrically connected with described control unit;
Wherein, described control unit switches to described first charge mode or the second charge mode according to the switching signal that described mode switch element sends, and exporting corresponding switching signal to described switch element, described second charge mode is: charge to described multiple rechargeable battery successively according to the cell voltage order from high to low of described multiple rechargeable battery; The electrical connection of described switch element according to described switching signal disconnection or conducting between charhing unit and described multiple power output end.
Further, described switch element is relay switch;
Or
Described switch element is metal-oxide-semiconductor, and the source electrode of this metal-oxide-semiconductor is electrically connected with described charhing unit, and the drain electrode of metal-oxide-semiconductor is electrically connected with corresponding power output end, and the grid of metal-oxide-semiconductor is electrically connected with described control unit;
Or
Described switch element is NPN type triode, and the collector electrode of this NPN type triode is electrically connected to described charhing unit, emitter is electrically connected with corresponding power output end, and base stage is electrically connected with described control unit.
Further, described mode switch element comprises button, by operating described button to export described switching signal;
Or
Described mode switch element comprises automatic switch-over circuit, and described automatic switch-over circuit automatically exports described switching signal after preset trigger condition being detected.
Further, described charging control circuit also comprises voltage acquisition unit, and this voltage acquisition unit is connected between described charhing unit and described switch element, and is connected to described control unit; Described voltage acquisition unit is in order to gather the magnitude of voltage of described multiple rechargeable battery, and the magnitude of voltage that described control unit gathers according to described voltage acquisition unit controls being turned on or off of described multiple power output end and described charhing unit by described switch element.
Further, described control unit controls described multiple power output end and described charhing unit conducting one by one by described switch element, to control the cell voltage that described voltage acquisition unit gathers each rechargeable battery;
And/or, at the first charge mode, the power output end conducting that the rechargeable battery that in the cell voltage detected described in described control unit controls further, magnitude of voltage is maximum is corresponding, and power output end power-off described in other, to make described charhing unit, rechargeable battery maximum for this battery voltage value is charged to described first preset value.
Further, described charhing unit adopts the mode of constant current charge successively described multiple rechargeable battery to be charged to the first preset value;
And/or described charhing unit adopts the mode of constant voltage charge that described multiple rechargeable battery is charged to the second preset value from described first preset value.
A kind of charging device, comprise housing and be installed in the charging control circuit in described housing, wherein, this charging control circuit comprises:
Charhing unit;
Power output end, for multiple, are respectively used to be connected with multiple rechargeable battery, and charge to described multiple rechargeable battery; And
Control unit, is electrically connected with described charhing unit;
Wherein, described control unit controls described charhing unit and charges to described multiple battery according to the first charge mode, described first charge mode is: successively described multiple rechargeable battery is charged to the first preset value respectively according to the cell voltage order from high to low of described multiple rechargeable battery, all rechargeable batteries are charged again more simultaneously, and charging to the second preset value, described first preset value is less than the second preset value.
Further, described control unit is field programmable gate array, is embedded with the one in the microcontroller chip of control program or single-chip microcomputer.
Further, described charging control circuit also comprises:
Switch element, described switch element is connected between described charhing unit and described multiple power output end; And
Mode switch element, is electrically connected with described control unit;
Wherein, described control unit switches to described first charge mode or the second charge mode according to the switching signal that described mode switch element sends, and exporting corresponding switching signal to described switch element, described second charge mode is: charge to described multiple rechargeable battery successively according to the cell voltage order from high to low of described multiple rechargeable battery; The electrical connection of described switch element according to described switching signal disconnection or conducting between charhing unit and described multiple power output end.
Further, described switch element is relay switch;
Or
Described switch element is metal-oxide-semiconductor, and the source electrode of this metal-oxide-semiconductor is electrically connected with described charhing unit, and the drain electrode of metal-oxide-semiconductor is electrically connected with corresponding power output end, and the grid of metal-oxide-semiconductor is electrically connected with described control unit;
Or
Described switch element is NPN type triode, and the collector electrode of this NPN type triode is electrically connected to described charhing unit, emitter is electrically connected with corresponding power output end, and base stage is electrically connected with described control unit.
Further, described mode switch element comprises button, by operating described button to export described switching signal;
Or
Described mode switch element comprises automatic switch-over circuit, and described automatic switch-over circuit automatically exports described switching signal after preset trigger condition being detected.
Further, described charging control circuit also comprises voltage acquisition unit, and this voltage acquisition unit is connected between described charhing unit and described switch element, and is connected to described control unit; Described voltage acquisition unit is in order to gather the magnitude of voltage of described multiple rechargeable battery, and the magnitude of voltage that described control unit gathers according to described voltage acquisition unit controls being turned on or off of described multiple power output end and described charhing unit by described switch element.
Further, described control unit controls described multiple power output end and described charhing unit conducting one by one by described switch element, to control the cell voltage that described voltage acquisition unit gathers each rechargeable battery;
And/or, at the first charge mode, the power output end conducting that the rechargeable battery that in the cell voltage detected described in described control unit controls further, magnitude of voltage is maximum is corresponding, and power output end power-off described in other, to make described charhing unit, rechargeable battery maximum for this battery voltage value is charged to described first preset value.
Further, described charhing unit adopts the mode of constant current charge successively described multiple rechargeable battery to be charged to the first preset value;
And/or described charhing unit adopts the mode of constant voltage charge that described multiple rechargeable battery is charged to the second preset value from described first preset value.
A kind of charging system, comprise multiple rechargeable battery and the charging control circuit for charging to described multiple rechargeable battery, wherein, this charging control circuit comprises:
Charhing unit;
Power output end, for multiple, are respectively used to be connected with described multiple rechargeable battery, and charge to described multiple rechargeable battery; And
Control unit, is electrically connected with described charhing unit;
Wherein, described control unit controls described charhing unit and charges to described multiple battery according to the first charge mode, described first charge mode is: successively described multiple rechargeable battery is charged to the first preset value respectively according to the cell voltage order from high to low of described multiple rechargeable battery, all rechargeable batteries are charged again more simultaneously, and charging to the second preset value, described first preset value is less than the second preset value.
Further, described control unit is field programmable gate array, is embedded with the one in the microcontroller chip of control program or single-chip microcomputer.
Further, described charging control circuit also comprises:
Switch element, described switch element is connected between described charhing unit and described multiple power output end; And
Mode switch element, is electrically connected with described control unit;
Wherein, described control unit switches to described first charge mode or the second charge mode according to the switching signal that described mode switch element sends, and exporting corresponding switching signal to described switch element, described second charge mode is: charge to described multiple rechargeable battery successively according to the cell voltage order from high to low of described multiple rechargeable battery; The electrical connection of described switch element according to described switching signal disconnection or conducting between charhing unit and described multiple power output end.
Further, described switch element is relay switch;
Or
Described switch element is metal-oxide-semiconductor, and the source electrode of this metal-oxide-semiconductor is electrically connected with described charhing unit, and the drain electrode of metal-oxide-semiconductor is electrically connected with corresponding power output end, and the grid of metal-oxide-semiconductor is electrically connected with described control unit;
Or
Described switch element is NPN type triode, and the collector electrode of this NPN type triode is electrically connected to described charhing unit, emitter is electrically connected with corresponding power output end, and base stage is electrically connected with described control unit.
Further, described mode switch element comprises button, by operating described button to export described switching signal;
Or
Described mode switch element comprises automatic switch-over circuit, and described automatic switch-over circuit automatically exports described switching signal after preset trigger condition being detected.
Further, described charging control circuit also comprises voltage acquisition unit, and this voltage acquisition unit is connected between described charhing unit and described switch element, and is connected to described control unit; Described voltage acquisition unit is in order to gather the magnitude of voltage of described multiple rechargeable battery, and the magnitude of voltage that described control unit gathers according to described voltage acquisition unit controls being turned on or off of described multiple power output end and described charhing unit by described switch element.
Further, described control unit controls described multiple power output end and described charhing unit conducting one by one by described switch element, to control the cell voltage that described voltage acquisition unit gathers each rechargeable battery;
And/or, at the first charge mode, the power output end conducting that the rechargeable battery that in the cell voltage detected described in described control unit controls further, magnitude of voltage is maximum is corresponding, and power output end power-off described in other, to make described charhing unit, rechargeable battery maximum for this battery voltage value is charged to described first preset value.
Further, described charhing unit adopts the mode of constant current charge successively described multiple rechargeable battery to be charged to the first preset value;
And/or described charhing unit adopts the mode of constant voltage charge that described multiple rechargeable battery is charged to the second preset value from described first preset value.
All rechargeable batteries are first charged to the first preset value according to cell voltage order from high to low by above-mentioned charging control circuit, charging device and charging system respectively, then charge to all rechargeable batteries simultaneously, namely carry out parallel charging.Due to multiple rechargeable battery charge simultaneously time; the battery voltage value of described rechargeable battery is consistent; namely the first preset value is; therefore there is not high-tension battery carries out heavy-current discharge situation to A-battery; the object of available protecting rechargeable battery can be played, also shorten the charging interval of whole system simultaneously.
Accompanying drawing explanation
Fig. 1 is wherein a kind of functional block diagram of the charging control circuit of the utility model embodiment.
Fig. 2 is another functional block diagram of the charging control circuit of the utility model embodiment.
Fig. 3 is wherein a kind of application schematic diagram of the charging control circuit of the utility model embodiment.
Fig. 4 is another application schematic diagram of the charging control circuit of the utility model embodiment.
Main element symbol description
Charging control circuit 100
Power output end 10
Charhing unit 20
Control unit 30
Switch element 40
Voltage acquisition unit 50
Mode switch element 70
Rechargeable battery 200
Movable fixture 300
Power set 301
Electricity is adjusted 303
Motor 305
Screw 307
Following embodiment will further illustrate the utility model in conjunction with above-mentioned accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
It should be noted that, when an element is called as " electrical connection " another element, directly can there is element placed in the middle in it on another assembly or also.When an element is considered to " electrical connection " another element, it can be that contact connects, and such as, can be the mode that wire connects, also can be contactless connection, such as, can be the mode of contactless coupling.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in specification of the present utility model herein just in order to describe specific embodiment, is not intended to be restriction the utility model.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
Below in conjunction with accompanying drawing, execution modes more of the present utility model are elaborated.When not conflicting, the feature in following embodiment and embodiment can combine mutually.
Refer to Fig. 1, the utility model preferred embodiment provides a kind of charging control circuit 100, for charging to multiple rechargeable battery 200.This charging control circuit 100 comprises multiple power output end 10, charhing unit 20, control unit 30, multiple and described power output end 10 switch element 40 and voltage acquisition unit 50 one to one.
Between the plurality of power output end 10, parallel with one another and each power output end 10 and described charhing unit 20 are electrically connected, and are also connected with a described switch element 40 between each power output end 10 and described charhing unit 20.
Described charhing unit 20 can comprise the circuit modules such as power input, ac-dc converter circuit and/or DC converting circuit, in order to be electrically connected to an external power source, and this external power source is processed into corresponding charging voltage, then export described power output end 10 to.
Described control unit 30 can be field programmable gate array (Field-ProgrammableGateArray, FPGA), and it is embedded with the microcontroller chip (Micro-ControllerUnit, MCU) or single-chip microcomputer etc. of control program.Described control unit 30 is electrically connected with multiple described switch element 40 by control bus, for exporting corresponding switching signal to described switch element 40.This switch element 40 receives the switching signal that described control unit 30 sends, and according to described switching signal conducting or the electrical connection that disconnects between described charhing unit 20 and corresponding power output end 10, the rechargeable battery 200 being electrically connected to described power output end 10 is charged by the switch element 40 of conducting and corresponding power output end 10 to make described charhing unit 20.
Described switch element 40 can be other electronic switches such as mos field effect transistor (MetalOxideSemiconductorFieldEffectTransistor, metal-oxide-semiconductor), or relay.In the present embodiment, that metal-oxide-semiconductor is to illustrate the working method of switch element 40 for described switch element 40, the source electrode of metal-oxide-semiconductor is connected with described charhing unit 20, the drain electrode of metal-oxide-semiconductor connects with corresponding power output end 10, and the grid of metal-oxide-semiconductor is then connected with described control unit 30 by described control bus.This control unit 30 sends corresponding switching signal to the grid of metal-oxide-semiconductor, such as, and high level signal or low level signal, thus control being turned on or off of metal-oxide-semiconductor.When described metal-oxide-semiconductor conducting, described charhing unit 20 charges by the metal-oxide-semiconductor of conducting and power output end 10 pairs of rechargeable batteries 200 of correspondence.
Be understandable that, in other embodiments, described switch element 40 also can be the electronic switches such as NPN type triode.Such as, when described switch element 40 is NPN type triode, the base stage of this NPN type triode is connected with described control unit 30 by control bus, and collector electrode is electrically connected with described charhing unit 20, emitter is electrically connected with corresponding power output end 10.
Described voltage acquisition unit 50 is electrically connected between described charhing unit 20 and described switch element 40, and is electrically connected to described control unit 30.The voltage of each rechargeable battery 200 collected in order to gather the voltage of each rechargeable battery 200, and is sent to described control unit 30 by described voltage acquisition unit 50.
Further, when multiple described switch element 40 all disconnects, during to disconnect the electrical connection of described charhing unit 20 with multiple described power output end 10, the voltage that described voltage acquisition unit 50 collects is the output voltage of described charhing unit 20.One of them switch element 40 conducting in multiple described switch element 40, and other switch elements 40 are when all disconnecting, the voltage that described voltage acquisition unit 50 collects is in the cell voltage of the rechargeable battery 200 that the power output end 10 corresponding to the switch element 40 of conducting state connects for this.So, described control unit 30 passes through to control the conducting of described switch element 40 one by one, to control the cell voltage that described voltage acquisition unit 50 detects the rechargeable battery 200 that multiple described power output end 10 connects respectively.The conducting of switch element 40 described in the voltage control that described control unit 30 collects according to described voltage acquisition unit 50 further and disconnection, and then conducting or the electrical connection that disconnects between described charhing unit 20 and corresponding power output end 10.
Be appreciated that described charging control circuit 100 also comprises mode switch element 70.Described mode switch element 70 is electrically connected to described control unit 30.Described mode switch element 70 is for exporting a switching signal, and such as high level signal or low level signal, switch between the first charge mode and the second charge mode to control described charging control circuit 100.Such as, when described control unit 30 receives the high level signal of described mode switch element 70 transmission, described control unit 30 is operated in the first charge mode.When described control unit 30 receives the low level signal of described mode switch element 70 transmission, described control unit 30 switches to the second charge mode.
Be appreciated that the switching signal that described mode switch element 70 exports can be realized by the mode of hardware or software.Such as, described mode switch element 70 comprises button.So, when the button is depressed, described mode switch element 70 exports a high level signal to described control unit 30, switches to the first charge mode to control described control unit 30.When described button is not pressed, described mode switch element 70 exports a low level signal, switches to the second charge mode to control described control unit 30.Certainly, at other execution modes, described mode switch element 70 can also comprise automatic switch-over circuit, and described automatic switch-over circuit automatically exports corresponding high level signal and low level signal, to switch the mode of operation of described charging control circuit 100 after preset trigger condition being detected.
It should be noted that, the relation between the low and high level signal that described mode switch element 70 exports and corresponding charge mode can adjust as required.Such as, in other embodiments, can be set to when described mode switch element 70 exports a high level signal, described control unit 30 switches to the second charge mode, and when mode switch element 70 exports a low level signal, described control unit 30 switches to the first charge mode.Certainly, in other embodiments, described charging control circuit 100 also can be set to when described mode switch element 70 does not export any switching signal to described control unit 30, described charging control circuit 100 maintains existing charge mode, such as the first charge mode or the second charge mode, and once described control unit 30 receives the switching signal that this mode switch element 70 exports, then carry out the switching of charge mode, such as, switch to the second charge mode from the first charge mode or switch to the first charge mode from the second charge mode.
Further, when described charging control circuit 100 is operated in the first charge mode, described control unit 30 controls the conducting of described switch element 40 one by one, namely control described multiple power output end 10 and the conducting of described charhing unit 20 one by one, thus described voltage acquisition unit 50 can detect the cell voltage of the rechargeable battery 200 that multiple described power output end 10 connects one by one.Switch element 40 conducting of rechargeable battery 200 correspondence that magnitude of voltage is maximum in the cell voltage detected described in described control unit 30 controls further, and other switch elements 40 disconnect, with power output end 10 conducting of maximum rechargeable battery 200 correspondence of magnitude of voltage in the cell voltage detected described in controlling, and other power output end 10 power-off, thus described charhing unit 20 is first charged to the rechargeable battery 200 that this battery voltage value is maximum.When the rechargeable battery 200 that described magnitude of voltage is maximum charges to the first preset value, described voltage acquisition unit 50 detects the cell voltage of remaining rechargeable battery 200 more one by one.Described control unit 30 controls switch element 40 conducting of rechargeable battery 200 correspondence that magnitude of voltage is maximum in remaining rechargeable battery 200 further, and other switch elements 40 disconnect, thus described charhing unit 20 is charged to the rechargeable battery 200 that magnitude of voltage in remaining rechargeable battery 200 is maximum, and charge to described first preset value.The rest may be inferred, and described control unit 30 controls the cell voltage order from high to low of described charhing unit 20 according to rechargeable battery 200, successively described multiple rechargeable battery 200 is both be charged to the first preset value.Then, described control unit 30 controls all conductings of described multiple switch element 40, to make described charhing unit 20 again charge to all rechargeable batteries 200, and charges to the second preset value.
In above-mentioned first charge mode, described charging control circuit 100 is, according to cell voltage order from high to low, all rechargeable batteries 200 are first charged to the first preset value respectively, then charges to all rechargeable batteries 200 simultaneously, namely carries out parallel charging.Due to multiple rechargeable battery 200 charge simultaneously time; the battery voltage value of described rechargeable battery 200 is consistent; namely the first preset value is; therefore there is not high-tension battery carries out heavy-current discharge situation to A-battery; the object of available protecting rechargeable battery 200 can be played, also shorten the charging interval of whole system simultaneously.Be understandable that, in the first charge mode, described charhing unit 20 can adopt the mode of constant current charge successively described multiple rechargeable battery 200 to be charged to described first preset value, then adopts the mode of constant voltage charge successively described multiple rechargeable battery 200 to be charged to described second preset value from described first preset value.
When described charging control circuit 100 is operated in the second charge mode, described control unit 30 controls the conducting of described switch element 40 one by one, namely control described multiple power output end 10 and the conducting of described charhing unit 20 one by one, thus described voltage acquisition unit 50 can detect the cell voltage of the rechargeable battery 200 that multiple described power output end 10 connects one by one.Switch element 40 conducting of rechargeable battery 200 correspondence that magnitude of voltage is maximum in the cell voltage detected described in described control unit 30 controls further, and other switch elements 40 disconnect, with power output end 10 conducting of maximum rechargeable battery 200 correspondence of magnitude of voltage in the cell voltage detected described in controlling, and other power output end 10 power-off, and then described charhing unit 20 is first charged to the rechargeable battery 200 that this magnitude of voltage is maximum, and directly charge to the second preset value.After the rechargeable battery 200 that described battery voltage value is maximum is full of electricity, described voltage acquisition unit 50 detects the cell voltage of remaining rechargeable battery 200 more one by one.Described control unit 30 controls switch element 40 conducting of rechargeable battery 200 correspondence that magnitude of voltage is maximum in remaining rechargeable battery 200 further, and other switch elements 40 disconnect, thus described charhing unit 20 is charged to the rechargeable battery 200 that battery voltage value in remaining rechargeable battery 200 is maximum, and directly charge to the second preset value.The rest may be inferred, and described control unit 30 by the cell voltage of the multiple rechargeable battery 200 of detecting, and charges to multiple rechargeable battery 200 successively according to cell voltage order from high to low.
In above-mentioned second charge mode, this charging control circuit 100 charges by the preferential rechargeable battery 200 maximum to magnitude of voltage, so can be full of a rechargeable battery 200 in the shortest time, to meet the use of user.
In the present embodiment, described first preset value is less than the second preset value, described second preset value can be the rated output voltage value of rechargeable battery 200, or a magnitude of voltage of the rated output voltage slightly larger than described rechargeable battery 200,1.2 times of the rated output voltage value of such as rechargeable battery 200.
See also Fig. 2, in other embodiments, described switch element 40 can also for being integrated with the switch chip of variable connector, and described power output end 10 can be row port in the lump.Therefore, the quantity of described switch element 40 and power output end 10 all can be reduced to one, only needs each way switch each port of described power output end 10 being connected to respectively described switch element 40.
Be appreciated that above-mentioned charging control circuit 100 can be installed in housing (not shown), and then jointly form a charging device with this housing.In addition, described charging device can form a charging system jointly with described multiple rechargeable battery 200.
See also Fig. 3, be appreciated that described charging system can be applied to a movable fixture 300.This movable fixture 300 can be vehicle, ship etc.This movable fixture 300 also comprises power set 301.Described charging system is electrically connected with described power set 301, with thinking that described power set 301 provide electric energy.
See also Fig. 4, wherein in an embodiment, this movable fixture 300 is unmanned vehicle.These power set 301 comprise electricity tune 303, motor 305 and screw 307.Described electricity adjusts 303 to be electrically connected to described motor 305, in order to control the rotating speed of described motor 305.Described screw 307 is installed on described motor 305, and in order under the driving of described motor 305, drives described unmanned vehicle 300 to fly.Described charging system is electrically connected to described electricity and adjusts 303, with thinking that described power set 301 provide electric energy.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model specification and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims (24)

1. a charging control circuit, is characterized in that, this charging control circuit comprises:
Charhing unit;
Power output end, for multiple, are respectively used to be connected with multiple rechargeable battery, and charge to described multiple rechargeable battery; And
Control unit, is electrically connected with described charhing unit;
Wherein, described control unit controls described charhing unit and charges to described multiple battery according to the first charge mode, described first charge mode is: successively described multiple rechargeable battery is charged to the first preset value respectively according to the cell voltage order from high to low of described multiple rechargeable battery, all rechargeable batteries are charged again more simultaneously, and charging to the second preset value, described first preset value is less than the second preset value.
2. charging control circuit as claimed in claim 1, it is characterized in that, described control unit is field programmable gate array, is embedded with the one in the microcontroller chip of control program or single-chip microcomputer.
3. charging control circuit as claimed in claim 1, it is characterized in that, described charging control circuit also comprises:
Switch element, described switch element is connected between described charhing unit and described multiple power output end; And
Mode switch element, is electrically connected with described control unit;
Wherein, described control unit switches to described first charge mode or the second charge mode according to the switching signal that described mode switch element sends, and exporting corresponding switching signal to described switch element, described second charge mode is: charge to described multiple rechargeable battery successively according to the cell voltage order from high to low of described multiple rechargeable battery; The electrical connection of described switch element according to described switching signal disconnection or conducting between charhing unit and described multiple power output end.
4. charging control circuit as claimed in claim 3, it is characterized in that, described switch element is relay switch;
Or
Described switch element is metal-oxide-semiconductor, and the source electrode of this metal-oxide-semiconductor is electrically connected with described charhing unit, and the drain electrode of metal-oxide-semiconductor is electrically connected with corresponding power output end, and the grid of metal-oxide-semiconductor is electrically connected with described control unit;
Or
Described switch element is NPN type triode, and the collector electrode of this NPN type triode is electrically connected to described charhing unit, emitter is electrically connected with corresponding power output end, and base stage is electrically connected with described control unit.
5. charging control circuit as claimed in claim 3, it is characterized in that, described mode switch element comprises button, by operating described button to export described switching signal;
Or
Described mode switch element comprises automatic switch-over circuit, and described automatic switch-over circuit automatically exports described switching signal after preset trigger condition being detected.
6. charging control circuit as claimed in claim 3, it is characterized in that, described charging control circuit also comprises voltage acquisition unit, and this voltage acquisition unit is connected between described charhing unit and described switch element, and is connected to described control unit; Described voltage acquisition unit is in order to gather the magnitude of voltage of described multiple rechargeable battery, and the magnitude of voltage that described control unit gathers according to described voltage acquisition unit controls being turned on or off of described multiple power output end and described charhing unit by described switch element.
7. charging control circuit as claimed in claim 6, it is characterized in that, described control unit controls described multiple power output end and described charhing unit conducting one by one by described switch element, to control the cell voltage that described voltage acquisition unit gathers each rechargeable battery;
And/or, at the first charge mode, the power output end conducting that the rechargeable battery that in the cell voltage detected described in described control unit controls further, magnitude of voltage is maximum is corresponding, and power output end power-off described in other, to make described charhing unit, rechargeable battery maximum for this battery voltage value is charged to described first preset value.
8. charging control circuit as claimed in claim 1, is characterized in that, described charhing unit adopts the mode of constant current charge successively described multiple rechargeable battery to be charged to the first preset value;
And/or described charhing unit adopts the mode of constant voltage charge that described multiple rechargeable battery is charged to the second preset value from described first preset value.
9. a charging device, is characterized in that, comprises housing and is installed in the charging control circuit in described housing, and wherein, this charging control circuit comprises:
Charhing unit;
Power output end, for multiple, are respectively used to be connected with multiple rechargeable battery, and charge to described multiple rechargeable battery; And
Control unit, is electrically connected with described charhing unit;
Wherein, described control unit controls described charhing unit and charges to described multiple battery according to the first charge mode, described first charge mode is: successively described multiple rechargeable battery is charged to the first preset value respectively according to the cell voltage order from high to low of described multiple rechargeable battery, all rechargeable batteries are charged again more simultaneously, and charging to the second preset value, described first preset value is less than the second preset value.
10. charging device as claimed in claim 9, it is characterized in that, described control unit is field programmable gate array, is embedded with the one in the microcontroller chip of control program or single-chip microcomputer.
11. charging devices as claimed in claim 9, it is characterized in that, described charging control circuit also comprises:
Switch element, described switch element is connected between described charhing unit and described multiple power output end; And
Mode switch element, is electrically connected with described control unit;
Wherein, described control unit switches to described first charge mode or the second charge mode according to the switching signal that described mode switch element sends, and exporting corresponding switching signal to described switch element, described second charge mode is: charge to described multiple rechargeable battery successively according to the cell voltage order from high to low of described multiple rechargeable battery; The electrical connection of described switch element according to described switching signal disconnection or conducting between charhing unit and described multiple power output end.
12. charging devices as claimed in claim 11, it is characterized in that, described switch element is relay switch;
Or
Described switch element is metal-oxide-semiconductor, and the source electrode of this metal-oxide-semiconductor is electrically connected with described charhing unit, and the drain electrode of metal-oxide-semiconductor is electrically connected with corresponding power output end, and the grid of metal-oxide-semiconductor is electrically connected with described control unit;
Or
Described switch element is NPN type triode, and the collector electrode of this NPN type triode is electrically connected to described charhing unit, emitter is electrically connected with corresponding power output end, and base stage is electrically connected with described control unit.
13. charging devices as claimed in claim 11, it is characterized in that, described mode switch element comprises button, by operating described button to export described switching signal;
Or
Described mode switch element comprises automatic switch-over circuit, and described automatic switch-over circuit automatically exports described switching signal after preset trigger condition being detected.
14. charging devices as claimed in claim 11, it is characterized in that, described charging control circuit also comprises voltage acquisition unit, and this voltage acquisition unit is connected between described charhing unit and described switch element, and is connected to described control unit; Described voltage acquisition unit is in order to gather the magnitude of voltage of described multiple rechargeable battery, and the magnitude of voltage that described control unit gathers according to described voltage acquisition unit controls being turned on or off of described multiple power output end and described charhing unit by described switch element.
15. charging devices as claimed in claim 14, it is characterized in that, described control unit controls described multiple power output end and described charhing unit conducting one by one by described switch element, to control the cell voltage that described voltage acquisition unit gathers each rechargeable battery;
And/or, at the first charge mode, the power output end conducting that the rechargeable battery that in the cell voltage detected described in described control unit controls further, magnitude of voltage is maximum is corresponding, and power output end power-off described in other, to make described charhing unit, rechargeable battery maximum for this battery voltage value is charged to described first preset value.
16. charging devices as claimed in claim 9, is characterized in that, described charhing unit adopts the mode of constant current charge successively described multiple rechargeable battery to be charged to the first preset value;
And/or described charhing unit adopts the mode of constant voltage charge that described multiple rechargeable battery is charged to the second preset value from described first preset value.
17. 1 kinds of charging systems, is characterized in that, described charging system comprises multiple rechargeable battery and the charging control circuit for charging to described multiple rechargeable battery, and wherein, this charging control circuit comprises:
Charhing unit;
Power output end, for multiple, are respectively used to be connected with described multiple rechargeable battery, and charge to described multiple rechargeable battery; And
Control unit, is electrically connected with described charhing unit;
Wherein, described control unit controls described charhing unit and charges to described multiple battery according to the first charge mode, described first charge mode is: successively described multiple rechargeable battery is charged to the first preset value respectively according to the cell voltage order from high to low of described multiple rechargeable battery, all rechargeable batteries are charged again more simultaneously, and charging to the second preset value, described first preset value is less than the second preset value.
18. charging systems as claimed in claim 17, it is characterized in that, described control unit is field programmable gate array, is embedded with the one in the microcontroller chip of control program or single-chip microcomputer.
19. charging systems as claimed in claim 17, it is characterized in that, described charging control circuit also comprises:
Switch element, described switch element is connected between described charhing unit and described multiple power output end; And
Mode switch element, is electrically connected with described control unit;
Wherein, described control unit switches to described first charge mode or the second charge mode according to the switching signal that described mode switch element sends, and exporting corresponding switching signal to described switch element, described second charge mode is: charge to described multiple rechargeable battery successively according to the cell voltage order from high to low of described multiple rechargeable battery; The electrical connection of described switch element according to described switching signal disconnection or conducting between charhing unit and described multiple power output end.
20. charging systems as claimed in claim 19, it is characterized in that, described switch element is relay switch;
Or
Described switch element is metal-oxide-semiconductor, and the source electrode of this metal-oxide-semiconductor is electrically connected with described charhing unit, and the drain electrode of metal-oxide-semiconductor is electrically connected with corresponding power output end, and the grid of metal-oxide-semiconductor is electrically connected with described control unit;
Or
Described switch element is NPN type triode, and the collector electrode of this NPN type triode is electrically connected to described charhing unit, emitter is electrically connected with corresponding power output end, and base stage is electrically connected with described control unit.
21. charging systems as claimed in claim 19, it is characterized in that, described mode switch element comprises button, by operating described button to export described switching signal;
Or
Described mode switch element comprises automatic switch-over circuit, and described automatic switch-over circuit automatically exports described switching signal after preset trigger condition being detected.
22. charging systems as claimed in claim 19, it is characterized in that, described charging control circuit also comprises voltage acquisition unit, and this voltage acquisition unit is connected between described charhing unit and described switch element, and is connected to described control unit; Described voltage acquisition unit is in order to gather the magnitude of voltage of described multiple rechargeable battery, and the magnitude of voltage that described control unit gathers according to described voltage acquisition unit controls being turned on or off of described multiple power output end and described charhing unit by described switch element.
23. charging systems as claimed in claim 22, it is characterized in that, described control unit controls described multiple power output end and described charhing unit conducting one by one by described switch element, to control the cell voltage that described voltage acquisition unit gathers each rechargeable battery;
And/or, at the first charge mode, the power output end conducting that the rechargeable battery that in the cell voltage detected described in described control unit controls further, magnitude of voltage is maximum is corresponding, and power output end power-off described in other, to make described charhing unit, rechargeable battery maximum for this battery voltage value is charged to described first preset value.
24. charging systems as claimed in claim 21, is characterized in that, described charhing unit adopts the mode of constant current charge successively described multiple rechargeable battery to be charged to the first preset value;
And/or described charhing unit adopts the mode of constant voltage charge that described multiple rechargeable battery is charged to the second preset value from described first preset value.
CN201520473166.5U 2015-06-30 2015-06-30 Control circuit , charging device and charging system charge Expired - Fee Related CN204905906U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105718821A (en) * 2016-01-15 2016-06-29 广东欧珀移动通信有限公司 Terminal and data protection apparatus and method therefor
WO2018053721A1 (en) * 2016-09-21 2018-03-29 深圳市大疆创新科技有限公司 Charging method, charging control system and charging device for power supply, and unmanned aerial vehicle
WO2022261835A1 (en) * 2021-06-15 2022-12-22 深圳市大疆创新科技有限公司 Light emitting device and control method therefor, distance measuring device, and movable platform

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105718821A (en) * 2016-01-15 2016-06-29 广东欧珀移动通信有限公司 Terminal and data protection apparatus and method therefor
WO2018053721A1 (en) * 2016-09-21 2018-03-29 深圳市大疆创新科技有限公司 Charging method, charging control system and charging device for power supply, and unmanned aerial vehicle
WO2022261835A1 (en) * 2021-06-15 2022-12-22 深圳市大疆创新科技有限公司 Light emitting device and control method therefor, distance measuring device, and movable platform

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