CN204497769U - A kind of charger being applicable to polytype battery - Google Patents
A kind of charger being applicable to polytype battery Download PDFInfo
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- CN204497769U CN204497769U CN201520057491.3U CN201520057491U CN204497769U CN 204497769 U CN204497769 U CN 204497769U CN 201520057491 U CN201520057491 U CN 201520057491U CN 204497769 U CN204497769 U CN 204497769U
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Abstract
The utility model relates to a kind of charger, particularly relates to a kind of charger being applicable to polytype battery.Comprise shell, circuit board having built-in, at least one battery case cave, anode contact device and battery cathode contact device; Described battery cathode contact device is arranged on the one end in described battery case cave movably; Described circuit board having built-in is arranged in described shell, is electrically connected in described anode contact device and battery cathode contact device; Described circuit board having built-in include MCU for controlling charging process, adjustable output voltage BUCK reduction voltage circuit, for detect voltage voltage monitoring circuit, for detect electric current current monitoring circuit, be used to indicate the condition indication circuit of operating state and the power circuit for powering.This Charger universality is good, goes for the battery charging of different size and different rated voltage, easy to use, economizes on resources.
Description
Technical field
The utility model relates to a kind of charger, particularly relates to a kind of charger being applicable to polytype battery.
Background technology
Battery is in electronic apparatus, especially indispensable in portable type electronic product important component part.Present battery mainly contains two classes, one class is universal battery, its shape and size standardization, be most widely used with the cylindrical battery that the nominal voltages such as AA and AAA are 1.5V, this kind of battery majority is disposable dry cell, also has part nominal voltage to be NI-G and the hydrogen nickel rechargeable battery of 1.2V; Another kind of is reserve battery, and according to the difference of manufacturer and electricity consumption product, its shape and size are different, and this kind of cell voltage mostly is 3V or 3.6V, are wherein that the lithium ion battery applications of 3.6V/3.7V is the most extensive with nominal voltage.
Because the energy density of lithium ion battery is large, service time is grown, have extended cycle life, not containing heavy metal, trend replaces conventional batteries day by day, and the rated voltage of lithium ion battery is about 3.6V, adopts constant-current constant-voltage charging; And the rated voltage of ni-mh or nickel-cadmium cell is 1.5V or 1.2V, charging method is constant current or timing charging.The charger generally applied at present, due to the difference of various battery battery core, most each self application battery separately, as the charger that lithium battery needs use lithium battery special; Nickel radical battery needs to use nickel radical battery charger, and poor universality, wastes ample resources.
Summary of the invention
The utility model provides a kind of charger being applicable to polytype battery, and this Charger universality is good, goes for the battery charging of different size and different rated voltage, easy to use, economizes on resources.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
Be applicable to a charger for polytype battery, comprise shell, circuit board having built-in, at least one battery case cave, anode contact device and battery cathode contact device;
At least one battery case cave described, is arranged on the housing;
Described anode contact device, is fixed on the one end in described battery case cave;
Described battery cathode contact device, is arranged on the other end in described battery case cave movably;
Described circuit board having built-in, is arranged in described shell, is electrically connected in described anode contact device and battery cathode contact device; Wherein,
Described circuit board having built-in, include the MCU for controlling charging process, adjustable output voltage BUCK reduction voltage circuit, for detect voltage voltage monitoring circuit, for detect electric current current monitoring circuit, be used to indicate the condition indication circuit of operating state and the power circuit for powering;
Described MCU and BUCK reduction voltage circuit, voltage monitoring circuit, current monitoring circuit, condition indication circuit are electrically connected respectively;
Described be serially connected in described BUCK reduction voltage circuit by rechargeable battery positive output end and ground between.
Concrete, described BUCK reduction voltage circuit, includes metal-oxide-semiconductor, diode, inductance and electric capacity; Described metal-oxide-semiconductor, diode, inductance and electric capacity form BUCK circuit structure, for reducing output voltage;
The grid of described metal-oxide-semiconductor, drain electrode and source electrode are electrically connected with MCU, inductance and power supply respectively; The drain electrode of described metal-oxide-semiconductor is connected the negative electrode of described diode with the public connecting end of inductance, the plus earth of described diode; Described inductance and electric capacity form low-pass filter structure.
Concrete, described voltage monitoring circuit comprises sampling resistor R1 and the sampling resistor R2 of two serial connections, between the positive output end that described sampling resistor R1 and sampling resistor R2 is serially connected in described BUCK reduction voltage circuit and ground, the public connecting end of described sampling resistor R1 and sampling resistor R2 is electrically connected described MCU.
Concrete, described current monitoring circuit comprises sampling resistor R3, is describedly connected in series described sampling resistor R3 by rechargeable battery and is connected to ground.
Concrete, described condition indication circuit comprises display unit, and described display unit adopts LCD display or LED display.
Preferably, described each battery case cave correspondence is provided with a charge indicator, and described charge indicator adopts LED.
Compared with prior art, its remarkable advantage is the utility model: the distance in charger described in the utility model between positive contact device and cathode contact device is adjustable, can be used for charging to the battery of different size; Adopt BUCK reduction voltage circuit in described circuit board having built-in, and regulate the switching frequency of the metal-oxide-semiconductor in BUCK reduction voltage circuit by the PWM ripple of MCU output different duty, thus regulate the output voltage size of BUCK reduction voltage circuit, namely regulate the size of charging voltage; Go for the rechargeable battery of different rated voltage.This Charger universality is good, easy to use, economizes on resources.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly introduced, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.In these accompanying drawings, for the sake of clarity, may be exaggerated size and the relative size in structure and region.
Fig. 1 is the structural representation of embodiment 1 in the utility model;
Fig. 2 is the circuit structure block diagram of the circuit board having built-in in the utility model embodiment 1;
Fig. 3 is the structural representation of embodiment 2 in the utility model.
Run through whole accompanying drawing, identical accompanying drawing reference number refers to identical element, characteristic sum structure by being understood to.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical solution of the utility model is clearly and completely described.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.
embodiment 1:
See accompanying drawing 1, a kind of charger being applicable to polytype battery, comprise shell 101 and circuit board having built-in 102, shell 101 is provided with the battery case cave 106 that four width do not wait and two the groove caves 106 being applicable to button cell, certainly, the present embodiment does not limit the shape in described battery case cave and number.The anode contact device 104 for being connected with the circuit on circuit board having built-in 102 by the both positive and negative polarity of rechargeable battery 107 and cathode contact device 105 is provided with in battery case cave 106, anode contact device 104 in battery case cave 106 is fixed on the one end in battery case cave 106, battery cathode contact device 105 is arranged on the other end in battery case cave 106 movably, and each battery case cave 106 correspondence is provided with a charge indicator 103.Preferably, described charge indicator 103 adopts LED.
See accompanying drawing 2, circuit board having built-in 102 include MCU for controlling charging process, adjustable output voltage BUCK reduction voltage circuit, for detect voltage voltage monitoring circuit, for detect electric current current monitoring circuit, be used to indicate the condition indication circuit of operating state and the power circuit for powering;
Described MCU and BUCK reduction voltage circuit, voltage monitoring circuit, current monitoring circuit, condition indication circuit are electrically connected respectively; Described be serially connected in described BUCK reduction voltage circuit by rechargeable battery positive output end and ground between.Concrete, described BUCK reduction voltage circuit, includes metal-oxide-semiconductor, diode, inductance and electric capacity; Described metal-oxide-semiconductor, diode, inductance and electric capacity form BUCK circuit structure, for reducing output voltage; The grid of described metal-oxide-semiconductor, drain electrode and source electrode are electrically connected with MCU, inductance and power supply respectively; The drain electrode of described metal-oxide-semiconductor is connected the negative electrode of described diode with the public connecting end of inductance, the plus earth of described diode; Described inductance and electric capacity form low-pass filter structure.Described voltage monitoring circuit comprises sampling resistor R1 and the sampling resistor R2 of two serial connections, between the positive output end that described sampling resistor R1 and sampling resistor R2 is serially connected in described BUCK reduction voltage circuit and ground, the public connecting end of described sampling resistor R1 and sampling resistor R2 is electrically connected described MCU.Described current monitoring circuit comprises sampling resistor R3, is describedly connected in series described sampling resistor R3 by rechargeable battery and is connected to ground.Preferably, described condition indication circuit comprises display unit, and described display unit adopts LCD display or LED display.The described positive pole by rechargeable battery is also connected with discharge circuit, and the other end of described discharge circuit connects described MCU, and described discharge circuit is used for by discharging rechargeable battery.
The present embodiment in the specific implementation, first described charger is in holding state, first MCU is detected by the change of the voltage and current in rechargeable battery by voltage monitoring circuit and current monitoring circuit, when access having been detected, MCU can carry out preliminary filling to by rechargeable battery by the less electric current of control BUCK reduction voltage circuit output, makes by the voltage rise of rechargeable battery to its rated voltage; MCU by being judged by the type of rechargeable battery by the rated voltage of rechargeable battery, thus selects different charging voltages, electric current and different charging modes to charge to by rechargeable battery.
Distance in charger described in the utility model between positive contact device and cathode contact device is adjustable, can be used for charging to the battery of different size; Adopt BUCK reduction voltage circuit in described circuit board having built-in, and regulate the switching frequency of the metal-oxide-semiconductor in BUCK reduction voltage circuit by the PWM ripple of MCU output different duty, thus regulate the output voltage size of BUCK reduction voltage circuit, namely regulate the size of charging voltage; Go for the rechargeable battery of different rated voltage.This Charger universality is good, easy to use, economizes on resources.
embodiment 2:
See accompanying drawing 3, embodiment 2 of the present utility model is only not comprise the battery case cave for charging for button cell in embodiment 2 with the difference of embodiment 1, only has the battery case cave 106 that four width do not wait.Certainly, the present embodiment does not limit the shape in described battery case cave and number.Other structures, the operation principle of the present embodiment 2 are identical with embodiment 1 with beneficial effect, do not repeat them here.
Above-described execution mode, does not form the restriction to this technical scheme protection range.The amendment done within any spirit at above-mentioned execution mode and principle, equivalently to replace and improvement etc., within the protection range that all should be included in this technical scheme.
Claims (6)
1. be applicable to a charger for polytype battery, it is characterized in that: comprise shell, circuit board having built-in, at least one battery case cave, anode contact device and battery cathode contact device;
At least one battery case cave described, is arranged on the housing;
Described anode contact device, is fixed on the one end in described battery case cave;
Described battery cathode contact device, is arranged on the other end in described battery case cave movably;
Described circuit board having built-in, is arranged in described shell, is electrically connected in described anode contact device and battery cathode contact device; Wherein,
Described circuit board having built-in, include the MCU for controlling charging process, adjustable output voltage BUCK reduction voltage circuit, for detect voltage voltage monitoring circuit, for detect electric current current monitoring circuit, be used to indicate the condition indication circuit of operating state and the power circuit for powering;
Described MCU and BUCK reduction voltage circuit, voltage monitoring circuit, current monitoring circuit, condition indication circuit are electrically connected respectively;
Described be serially connected in described BUCK reduction voltage circuit by rechargeable battery positive output end and ground between.
2. a kind of charger being applicable to polytype battery as claimed in claim 1, is characterized in that: described BUCK reduction voltage circuit, includes metal-oxide-semiconductor, diode, inductance and electric capacity; Described metal-oxide-semiconductor, diode, inductance and electric capacity form BUCK circuit structure, for reducing output voltage;
The grid of described metal-oxide-semiconductor, drain electrode and source electrode are electrically connected with MCU, inductance and power supply respectively; The drain electrode of described metal-oxide-semiconductor is connected the negative electrode of described diode with the public connecting end of inductance, the plus earth of described diode; Described inductance and electric capacity form low-pass filter structure.
3. a kind of charger being applicable to polytype battery as claimed in claim 1, it is characterized in that: described voltage monitoring circuit comprises sampling resistor R1 and the sampling resistor R2 of two serial connections, between the positive output end that described sampling resistor R1 and sampling resistor R2 is serially connected in described BUCK reduction voltage circuit and ground, the public connecting end of described sampling resistor R1 and sampling resistor R2 is electrically connected described MCU.
4. a kind of charger being applicable to polytype battery as claimed in claim 1, is characterized in that: described current monitoring circuit comprises sampling resistor R3, is describedly connected in series described sampling resistor R3 by rechargeable battery and is connected to ground.
5. a kind of charger being applicable to polytype battery as claimed in claim 1, is characterized in that: described condition indication circuit comprises display unit, and described display unit adopts LCD display or LED display.
6. a kind of charger being applicable to polytype battery as claimed in claim 1, is characterized in that: described each battery case cave correspondence is provided with a charge indicator, and described charge indicator adopts LED.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057491.3U CN204497769U (en) | 2015-01-27 | 2015-01-27 | A kind of charger being applicable to polytype battery |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520057491.3U CN204497769U (en) | 2015-01-27 | 2015-01-27 | A kind of charger being applicable to polytype battery |
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| CN204497769U true CN204497769U (en) | 2015-07-22 |
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| CN201520057491.3U Active CN204497769U (en) | 2015-01-27 | 2015-01-27 | A kind of charger being applicable to polytype battery |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811554A (en) * | 2015-12-30 | 2016-07-27 | 北京新兆民科技有限公司 | Battery bridging and charging device and method |
| CN107294175A (en) * | 2017-08-03 | 2017-10-24 | 覃振武 | Quick charge device, quick charging system and desktop computer based on Buck circuits |
| CN110086234A (en) * | 2019-05-31 | 2019-08-02 | 深圳市太美亚电子科技有限公司 | A kind of discrete power charging circuit |
| CN113852148A (en) * | 2021-08-26 | 2021-12-28 | 江苏东成工具科技有限公司 | Method for detecting charging voltage of battery pack |
| US11527781B2 (en) * | 2017-03-07 | 2022-12-13 | Volt Technology Limited | Battery with built-in voltage regulation device |
-
2015
- 2015-01-27 CN CN201520057491.3U patent/CN204497769U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105811554A (en) * | 2015-12-30 | 2016-07-27 | 北京新兆民科技有限公司 | Battery bridging and charging device and method |
| US11527781B2 (en) * | 2017-03-07 | 2022-12-13 | Volt Technology Limited | Battery with built-in voltage regulation device |
| CN107294175A (en) * | 2017-08-03 | 2017-10-24 | 覃振武 | Quick charge device, quick charging system and desktop computer based on Buck circuits |
| CN110086234A (en) * | 2019-05-31 | 2019-08-02 | 深圳市太美亚电子科技有限公司 | A kind of discrete power charging circuit |
| CN113852148A (en) * | 2021-08-26 | 2021-12-28 | 江苏东成工具科技有限公司 | Method for detecting charging voltage of battery pack |
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