CN204271672U - Multifunctional charger - Google Patents

Multifunctional charger Download PDF

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Publication number
CN204271672U
CN204271672U CN201420611588.XU CN201420611588U CN204271672U CN 204271672 U CN204271672 U CN 204271672U CN 201420611588 U CN201420611588 U CN 201420611588U CN 204271672 U CN204271672 U CN 204271672U
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CN
China
Prior art keywords
circuit
multifunctional charger
battery
control circuit
electrically connected
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Expired - Fee Related
Application number
CN201420611588.XU
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Chinese (zh)
Inventor
徐志勤
费伟文
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POWER STATIONS Ltd
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POWER STATIONS Ltd
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Priority to CN201420611588.XU priority Critical patent/CN204271672U/en
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Publication of CN204271672U publication Critical patent/CN204271672U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model discloses a kind of multifunctional charger, this multifunctional charger comprise charging circuit, control circuit, battery capacity checkout gear, for the display unit of the checkout gear testing result that shows battery meter, for detecting the voltage detecting circuit of cell voltage; Control circuit is electrically connected with charging circuit, battery capacity checkout gear, display unit and voltage detecting circuit respectively.The utility model, by the setting of battery capacity checkout gear and display unit, makes multifunctional charger to detect easily and shows the actual capacity value of battery, being conducive to the legitimate rights and interests that user safeguards self; By the setting of voltage detecting circuit, multifunctional charger can be palmed off as nickel-hydrogen/nickel-cadmium battery and lithium ion battery according to the cell voltage detected, be conducive to the utilization rate improving multifunctional charger.

Description

Multifunctional charger
Technical field
The utility model relates to charging technique field, particularly relates to a kind of multifunctional charger.
Background technology
Along with the development of society, rechargeable battery occupies an important position in the life of people.Along with the development of battery technology, also occurred some bad phenomenons, such as some illegal manufacturer is in order to obtain more interests, can by the battery capacity falseness mark on label when battery dispatches from the factory, such as actual capacity is only had the battery of 600mAh, mark into 1200mAh.And existing charger on the market, function singleness, can do nothing to help user in the process using battery, confirms the actual capacity of battery, thus is unfavorable for that user safeguards oneself just rights and interests.
Utility model content
Main purpose of the present utility model is to provide a kind of multifunctional charger that can detect battery capacity.
For achieving the above object, the utility model provides a kind of multifunctional charger, described multifunctional charger comprise charging circuit, control circuit, battery capacity checkout gear, for show described battery capacity checkout gear testing result display unit, for detecting the voltage detecting circuit of cell voltage;
Described control circuit is electrically connected with described charging circuit, described battery capacity checkout gear, described display unit and voltage detecting circuit respectively.
Preferably, the data-interface that described multifunctional charger also comprises discharge circuit and is in communication with the outside for described discharge circuit, described discharge circuit is electrically connected with described control circuit, and described data-interface is fixedly installed on housing.
Preferably, described multifunctional charger comprises multiple battery case, and how many described battery case is arranged on described housing.
Preferably, described multifunctional charger also comprises and multiple described battery case multiple display button and key circuit one to one;
Described display button is fixedly installed on the position of corresponding described battery case on housing, and described key circuit is electrically connected with described control circuit.
Preferably, described multifunctional charger also comprises transfer the files circuit and the button of transferring the files for circuit of transferring the files described in regulating for controlling battery charging rate;
Described circuit of transferring the files is electrically connected with described charging circuit, described in button of transferring the files be arranged on described housing.
Preferably, described multifunctional charger also comprises the first protective circuit, and described first protective circuit works when described multifunctional charger temperature exceedes preset value, and described first protective circuit is electrically connected with described control circuit.
Preferably, described multifunctional charger also comprises the second protective circuit, and described second protective circuit works when described multifunctional charger short circuit, and described second protective circuit is electrically connected with described control circuit.
Preferably, described multifunctional charger also comprises the display lamp for reacting described battery case working condition, and described display lamp is electrically connected with described control circuit.
The utility model, by the setting of battery capacity checkout gear and display unit, multifunctional charger can be detected easily and show the actual capacity value of battery, be conducive to the battery capacity that user confirms bought battery, thus be conducive to user and distinguish whether the legitimate rights and interests of oneself are encroached on, be conducive to the legitimate rights and interests that user safeguards self; By the setting of voltage detecting circuit, multifunctional charger can be palmed off as nickel-hydrogen/nickel-cadmium battery and lithium ion battery according to the cell voltage detected, namely add the adaptability of multifunctional charger, be conducive to the utilization rate improving multifunctional charger.
Accompanying drawing explanation
Fig. 1 is the functional module structure schematic diagram of the utility model multifunctional charger;
Fig. 2 is the structural representation of the utility model multifunctional charger first charging circuit and the first discharge circuit;
Fig. 3 is the structural representation of the utility model multifunctional charger second charging circuit and the second discharge circuit;
Fig. 4 is the structural representation of the utility model multifunctional charger the 3rd charging circuit and the 3rd discharge circuit;
Fig. 5 is the structural representation of the utility model multifunctional charger the 4th charging circuit and the 4th discharge circuit;
Fig. 6 is the structural representation of the utility model multifunctional charger.
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
The utility model provides a kind of multifunctional charger.
In the utility model embodiment, with reference to Fig. 1, this multifunctional charger comprise charging circuit 130, control circuit 100, battery capacity checkout gear 110, for the display unit 80 of checkout gear 110 testing result that shows battery meter, for detecting the voltage detecting circuit 30 of cell voltage; Control circuit 100 is electrically connected with charging circuit 130, battery capacity checkout gear 110, display unit 80 and voltage detecting circuit 30 respectively.
Rechargeable battery conventional at present mainly comprises nickel-hydrogen/nickel-cadmium battery and lithium ion battery, and wherein, the normal voltage at nickel-hydrogen/nickel-cadmium battery two ends is 1.2V, probably within the scope of 0.9V to 2V; And the voltage at lithium ion battery two ends is between 2.5V to 4.2V.Because the magnitude of voltage at battery two ends is different, voltage required when making to charge the battery is also different, and namely nickel-hydrogen/nickel-cadmium battery and lithium ion battery respective required voltage value in charging process is different.
Particularly, in the present embodiment, display unit 80 is preferably LCD display.Before battery is charged, voltage detecting circuit 30 first carries out voltage detecting to the battery in multifunctional charger, and the magnitude of voltage of detection is input to control circuit 100 contrasts, when measured magnitude of voltage is between 0.9V to 2V, control circuit 100 controls charging circuit 130 and charges to battery according to the requirement of nickel-hydrogen/nickel-cadmium battery; When measured magnitude of voltage is between 2.5V to 4.2V, control circuit 100 controls charging circuit 130 and charges to battery according to the requirement of lithium ion battery.Control circuit 100 controls battery capacity checkout gear 110 pairs of battery capacities and detects, and after battery capacity checkout gear 110 has detected, control circuit 100 controls display unit 80 and to show battery meter the check result of checkout gear 110.Display unit 80 is preferably LCDs.Now user can compare according to the battery capacity that the display result of LCDs and battery label mark, when the battery capacity value detected is within the scope of standard value permissible variation, battery actual capacity conforms to mark capacity, when the battery capacity value detected exceeds the scope of standard value permissible variation, battery actual capacity is less than normal capacity, and user can safeguard oneself legitimate rights and interests according to this result.
In the present embodiment, by the setting of battery capacity checkout gear 110 and display unit 80, multifunctional charger can be detected easily and show the actual capacity value of battery, be conducive to the battery capacity that user confirms bought battery, thus be conducive to user and distinguish whether the legitimate rights and interests of oneself are encroached on, be conducive to the legitimate rights and interests that user safeguards self; By the setting of voltage detecting circuit 30, multifunctional charger can be palmed off as nickel-hydrogen/nickel-cadmium battery and lithium ion battery according to the cell voltage detected, namely add the adaptability of multifunctional charger, be conducive to the utilization rate improving multifunctional charger.
In other embodiments, when after a period of time of charging to battery, if detect that the electricity of battery does not change, user then can judge that battery is discarded battery or as non-charging battery, now battery can be taken out multifunctional charger by user timely accordingly.
Further, with reference to Fig. 1 and Fig. 6, the data-interface 60 that multifunctional charger also comprises discharge circuit 140 and is in communication with the outside for discharge circuit 140, discharge circuit 140 is electrically connected with control circuit 100, and data-interface 60 is fixedly installed on housing 10.
Particularly, in the present embodiment, data-interface 60 is preferably USB interface, and USB interface is arranged on the side of housing 10.When going out, power consumption equipment, often due to the restriction of battery capacity, makes its flying power limited, such as mobile phone, often needs on the road to its charging.Now, multifunctional charger just can pass through discharge circuit 140 and USB interface, will be arranged on the power delivery of battery in battery case 20 on power consumption equipment.After data wire is connected mobile phone and USB interface by user, control circuit 100 controlled discharge circuit 140 works, and charges to mobile phone.Certainly, after multifunctional charger is connected with home circuit, when there is no rechargeable battery in battery case 20, directly can be charged to power consumption equipment by data wire.
In the present embodiment, by the setting of data-interface 60 and discharge circuit 140, multifunctional charger can also be charged to the power consumption equipment that battery is thought, add the effect of multifunctional charger, be of value to the adaptability improving multifunctional charger.
Further, with reference to Fig. 1 and Fig. 6, multifunctional charger comprises multiple battery case 20, with multiple battery case 20 multiple display button 70 and key circuit 71 one to one; Display button 70 is fixedly installed on the position of corresponding battery case 20 on housing 10, and key circuit 71 is electrically connected with control circuit 100.
Particularly, in the present embodiment, multifunctional charger comprises four battery cases 20, and each battery case 20 is provided with display button 70 near one end of display unit 80, the corresponding key circuit 71 of each display button 70.The charging circuit corresponding with four battery cases 20 comprises the first charging circuit 131, second charging circuit 132, the 3rd charging circuit 133 and the 4th charging circuit 134; The discharge circuit corresponding with four battery cases 20 comprises the first discharge circuit 141, second discharge circuit 142, the 3rd discharge circuit 143 and the 4th discharge circuit 144.Make between four battery cases 20 separate, be independent of each other.When pressing the display button 70 of a certain battery case 20 correspondence, key circuit 71 trigger control circuit 100, control circuit 100 controls battery capacity checkout gear 110 and carries out battery capacity detection to the battery in this battery case 20, and the battery capacity detected is presented in LCDs.Same, when user needs the battery capacity of checking battery in another battery case 20, press corresponding display key, display unit 80 is by the capacity of battery in current for display selected battery case 20.When four battery cases 20 place the different battery of capacity (such as: nickel-hydrogen/nickel-cadmium battery: AAA, AA, A, S, D; Lithium ion battery comprises LIR26650, LIR22650, LIR26500, LIR18650, LIR17670, LIR18490, LIR17500, LIR17335LIR16340 (123A), LIR14500, LIR10440) time, we first click corresponding selection key, after selected good battery case 20, press the size of current that mode key can arrange this road battery case 20, arrange successfully rear indicator 80 will glimmer, size of current and functional mode cannot be regulated later to switch.The functional mode of each battery case 20 just can be set in this approach.
In the present embodiment, by the setting of display button 70 and key circuit 71, make display unit 80 can show corresponding parameter according to the demand of user, thus avoid battery capacity checkout gear 110 capacity check is carried out to the battery in all battery cases 20, be conducive to the operating efficiency improving multifunctional charger.
On the basis of above-described embodiment, multifunctional charger also comprises the display lamp for reaction cell groove 20 working condition, and display lamp is electrically connected with control circuit 100.Display lamp is preferably LED, and each battery case 20 correspondence arranges a display lamp, and when battery case 20 is working properly, LED is shown in green in control circuit 100 control, and when battery case 20 work is broken down, control circuit 100 control LED shows redness.In the present embodiment, by the setting of display lamp, make user can judge the working condition of each battery case 20 intuitively, be conducive to user and better use.
Further, with reference to Fig. 1 and Fig. 6, multifunctional charger also comprises the circuit 91 and for regulating the button 90 of transferring the files of circuit 91 of transferring the files of transferring the files for controlling battery charging rate; Circuit 91 of transferring the files is electrically connected with charging circuit 130, and button 90 of transferring the files is arranged on housing 10.
Particularly, in the present embodiment, in the charging process to battery reality, often owing to being eager with battery, and time enough is not had to charge to battery by multifunctional charger.Now user can transfer the files to multifunctional charger according to actual needs.Take electric current as 500mA and 1000mA two grades be example, if user is not eager with battery, so user can select electric current to be that the gear of 500mA charges to battery by button 90 of transferring the files, select the gear of 500mA user after, transfer the files circuit 91 and electric current is charging circuit 130 conducting of 500mA, thus select corresponding charging circuit 130 pairs of batteries to charge, now reliable and stable to the charging of battery; If user is eager with battery, so user can select electric current to be that the gear of 1000mA charges to battery by button 90 of transferring the files, select the gear of 1000mA user after, transfer the files circuit 91 and electric current is charging circuit 130 conducting of 1000mA, thus select corresponding charging circuit 130 pairs of batteries to charge, now the charging rate of battery gets a promotion, and can be full of battery at short notice.Certainly, in other embodiments, the speed of regulating cell charging can also be carried out by the voltage at regulating cell two ends.
In the present embodiment, by the setting of transfer the files circuit 91 and button 90 of transferring the files, make user can according to the actual needs for suitable charging rate selected by battery, to meet the actual demand of user.
Further, with reference to Fig. 1 and Fig. 3, multifunctional charger also comprises the first protective circuit 40 and the second protective circuit 50, first protective circuit 40 works when multifunctional charger temperature exceedes preset value, and the first protective circuit 40 is electrically connected with control circuit 100; Second protective circuit 50 works when multifunctional charger short circuit, and the second protective circuit 50 is electrically connected with control circuit 100.
Particularly, in the present embodiment, when the temperature of multifunctional power exceedes preset value, the first protective circuit 40 activation control circuit 100, control circuit 100 controls charging circuit 130 and quits work.Wherein, the setting of temperature preset value in the first protective circuit 40, can be realized by warming resistance.When short trouble appears in multifunctional power, the second protective circuit 50 activation control circuit 100, control circuit 100 controls charging circuit 130 and quits work.
In the present embodiment; by the setting of the first protective circuit 40 and the second protective circuit 50; make multifunctional charger when the too high and short circuit of temperature; by control circuit 100, multifunctional charger is quit work; thus effectively protect multifunctional charger, be conducive to the safe handling of multifunctional charger.Certainly, in other embodiments, multifunctional charger can also arrange the protective circuit such as overvoltage crowbar, low-voltage protection circuit.
Referring to figs. 1 through Fig. 5, simply introduce the working condition of four charging circuits of multifunctional charger four battery case 20 correspondences below:
The first charging circuit 131 1 high level given by control circuit 100, Q1 conducting, the base stage of Q2 produces high potential by 12V, make Q2 conducting, metal-oxide-semiconductor U1 grid is connected on the emitter of Q2, thus causing control voltage between U1 grid and source electrode to be opened, electric current flows to drain electrode from source electrode, thus charges to battery BAT1;
The second charging circuit 132 1 high level given by control circuit 100, Q3 conducting, the base stage of Q4 produces high potential by 12V, make Q4 conducting, metal-oxide-semiconductor U2 grid is connected on the emitter of Q4, thus causing control voltage between U2 grid and source electrode to be opened, electric current flows to drain electrode from source electrode, thus charges to battery BAT2;
The 3rd charging circuit 133 1 high level given by control circuit 100, Q5 conducting, the base stage of Q6 produces high potential by 12V, make Q6 conducting, metal-oxide-semiconductor U3 grid is connected on the emitter of Q6, thus causing control voltage between U3 grid and source electrode to be opened, electric current flows to drain electrode from source electrode, thus charges to battery BAT3.
The 4th charging circuit 134 1 high level given by control circuit 100, Q7 conducting, the base stage of Q8 produces high potential by 12V, make Q8 conducting, metal-oxide-semiconductor U4 grid is connected on the emitter of Q6, thus causing control voltage between U4 grid and source electrode to be opened, electric current flows to drain electrode from source electrode, thus charges to battery BAT4.
The working condition of four discharge circuits of multifunctional charger four battery case 20 correspondences:
Control circuit 100 is electrically connected with the metal-oxide-semiconductor U5 grid of the first discharge circuit 141, and when metal-oxide-semiconductor U5 mono-high level given by control circuit 100, between metal-oxide-semiconductor U5 grid and source electrode, control voltage is opened, and battery BAT1 electric current is flowed to drain electrode from source electrode and discharged by metal-oxide-semiconductor U5;
Control circuit 100 is electrically connected with the metal-oxide-semiconductor U6 grid of the second discharge circuit 142, and when metal-oxide-semiconductor U6 mono-high level given by control circuit 100, between metal-oxide-semiconductor U6 grid and source electrode, control voltage is opened, and battery BAT2 electric current is flowed to drain electrode from source electrode and discharged by metal-oxide-semiconductor U6;
Control circuit 100 is electrically connected with the metal-oxide-semiconductor U7 grid of the 3rd discharge circuit 143, and when metal-oxide-semiconductor U7 mono-high level given by control circuit 100, between metal-oxide-semiconductor U7 grid and source electrode, control voltage is opened, and battery BAT3 electric current is flowed to drain electrode from source electrode and discharged by metal-oxide-semiconductor U7;
Control circuit 100 is electrically connected with the metal-oxide-semiconductor U8 grid of the first discharge circuit 144, and when metal-oxide-semiconductor U8 mono-high level given by control circuit 100, between metal-oxide-semiconductor U8 grid and source electrode, control voltage is opened, and battery BAT4 electric current is flowed to drain electrode from source electrode and discharged by metal-oxide-semiconductor U8;
The new multifunctional charger course of work of this practicality is once described below:
The adapter of the utility model multifunctional charger tyre 12V, to its power supply.When connecting adapter, first power on 3 seconds display unit 80 of zero load can show charging, electric discharge, show null after 3 seconds.
When battery inserts, the voltage of charger display battery, the charging current of 3s redirect display battery, start charging current and be defaulted as 500mA, in 8s, user can select adjusting key to regulate size of current (500mA/1000mA), and after 8s, liquid crystal display screen will glimmer, later regulate the button of electric current and mode key no longer to work, size of current and functional mode cannot be regulated to switch.Only check that button can be by, check the state in battery charging process, cell voltage, charging current, the charging interval, the charging capacity of battery, and internal resistance when connecting battery.After battery is full of electricity, liquid crystal display screen will show Full, and prompting user person battery is full to fill.
Discharge test is transformed into after being full of electricity in the process of battery at charging measurement, the discharging current of discharge test is 1/2 times of charging current, when such as setting charging current 500mA in charging measurement, when transferring discharge test to, discharging current is 250mA, after battery is discharged in discharge test, start charging.After battery is full of electricity, display unit 80 will show Full, and prompting user person battery is full to fill, and now presses and checks that key can check the capacity of battery discharge, by carrying out volume test to battery, and the quality of known battery.
These are only preferred 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 (8)

1. a multifunctional charger, it is characterized in that, described multifunctional charger comprise charging circuit, control circuit, battery capacity checkout gear, for show described battery capacity checkout gear testing result display unit, for detecting the voltage detecting circuit of cell voltage;
Described control circuit is electrically connected with described charging circuit, described battery capacity checkout gear, described display unit and voltage detecting circuit respectively.
2. multifunctional charger as claimed in claim 1, it is characterized in that, the data-interface that described multifunctional charger also comprises discharge circuit and is in communication with the outside for described discharge circuit, described discharge circuit is electrically connected with described control circuit, and described data-interface is fixedly installed on housing.
3. multifunctional charger as claimed in claim 2, it is characterized in that, described multifunctional charger comprises multiple battery case, and how many described battery case is arranged on described housing.
4. multifunctional charger as claimed in claim 3, it is characterized in that, described multifunctional charger also comprises and multiple described battery case multiple display button and key circuit one to one;
Described display button is fixedly installed on the position of corresponding described battery case on described housing, and described key circuit is electrically connected with described control circuit.
5. multifunctional charger as claimed in claim 2, is characterized in that, described multifunctional charger also comprises transfer the files circuit and the button of transferring the files for circuit of transferring the files described in regulating for controlling battery charging rate;
Described circuit of transferring the files is electrically connected with described charging circuit, described in button of transferring the files be arranged on described housing.
6. multifunctional charger as claimed in claim 1; it is characterized in that; described multifunctional charger also comprises the first protective circuit, and described first protective circuit works when described multifunctional charger temperature exceedes preset value, and described first protective circuit is electrically connected with described control circuit.
7. multifunctional charger as claimed in claim 6; it is characterized in that; described multifunctional charger also comprises the second protective circuit, and described second protective circuit works when described multifunctional charger short circuit, and described second protective circuit is electrically connected with described control circuit.
8. the multifunctional charger as described in claim 3 or 4, is characterized in that, described multifunctional charger also comprises the display lamp for reacting described battery case working condition, and described display lamp is electrically connected with described control circuit.
CN201420611588.XU 2014-10-21 2014-10-21 Multifunctional charger Expired - Fee Related CN204271672U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420611588.XU CN204271672U (en) 2014-10-21 2014-10-21 Multifunctional charger

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420611588.XU CN204271672U (en) 2014-10-21 2014-10-21 Multifunctional charger

Publications (1)

Publication Number Publication Date
CN204271672U true CN204271672U (en) 2015-04-15

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Application Number Title Priority Date Filing Date
CN201420611588.XU Expired - Fee Related CN204271672U (en) 2014-10-21 2014-10-21 Multifunctional charger

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328503A (en) * 2021-07-10 2021-08-31 明华电子科技(惠州)有限公司 Bluetooth charging control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113328503A (en) * 2021-07-10 2021-08-31 明华电子科技(惠州)有限公司 Bluetooth charging control system

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150415

Termination date: 20191021

CF01 Termination of patent right due to non-payment of annual fee