CN201966651U - Battery charger control device with automatic recognition function - Google Patents
Battery charger control device with automatic recognition function Download PDFInfo
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- CN201966651U CN201966651U CN2011200463749U CN201120046374U CN201966651U CN 201966651 U CN201966651 U CN 201966651U CN 2011200463749 U CN2011200463749 U CN 2011200463749U CN 201120046374 U CN201120046374 U CN 201120046374U CN 201966651 U CN201966651 U CN 201966651U
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- battery
- detection module
- control device
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Abstract
The utility model discloses a battery charger control device with an automatic recognition function, which comprises a power supply terminal, an earth terminal, a first switch, a second switch, a third switch, a fourth switch, a polarity detection module, a short circuit detection module, a saturation detection module and a controller. According to the battery charger control device, polarity adaptability charging is completed through using the controller to control the on-off of the first switch, the second switch, the third switch and the fourth switch, and the state of a battery is detected through the polarity detection module, the short circuit detection module and the saturation detection module; when polarities are found to be reversely connected, a signal is sent to the controller and the switches are changed over by the controller so as to enable the polarities to be appropriate; when short circuit is found out, a signal is sent to the controller and the switches are changed over by the controller so as to protect the battery; and when the battery is found to be fully charged, a charging circuit is cut off so as to prevent the battery from being over charged.
Description
Technical field
The utility model relates to electronic applications, relates in particular to a kind of battery charger control device with automatic recognition function.
Background technology
Existing charger market is flooded with charger miscellaneous, wherein the part charger does not possess the contrary chargeable function that connects, promptly can not charge inverse time, need manually or utilize other device to adjust battery polar to charge normal function to finish to battery when battery polar connects; Though and the part charger has that battery is contrary to connect chargeable function, its circuit is barricaded as by discrete device, and shared pcb board area is bigger, and the requirement meeting that accurately detects cell voltage further increases circuit cost.
The utility model content
The technical problem that the utility model mainly solves provides a kind of battery charger control device with automatic recognition function; it is chargeable against connecing to discern battery polar and battery automatically; and this control device is integrated in the chip; when realizing that battery is contrary and connect, can provide automatic change poles charging; in addition; when short circuit, can also provide short-circuit protection, can the automatic disconnection charge power supply under the saturated situation of battery, the protection battery.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of battery charger control device with automatic recognition function is provided, comprises power end, earth terminal, first switch, second switch, the 3rd switch, the 4th switch, polarity detection module, short-circuit detecting module, saturation detection module and controller; First switch, second switch, the 3rd switch and the 4th switch all have first end, second end and controlled end; Controller has four groups of control output ends, polarity detects trigger end, short-circuit detecting trigger end and saturation detection trigger end, and four groups of control output ends of described controller are connected with the controlled end of first switch, second switch, the 3rd switch and the 4th switch respectively; Described polarity detection module, short-circuit detecting module, saturation detection module all detect external connection battery two electrodes, the polarity that the output of polarity detection module connects controller detects trigger end, the output of short-circuit detecting module connects the short-circuit detecting trigger end of controller, and the output of saturation detection module connects the saturation detection trigger end of controller; First end of first switch is connected with first end of second switch, and the public point after the connection is first end points, and first end points is connected with power end; Second end of first switch is connected with first end of the 3rd switch, and the public point after the connection is second end points, a charging utmost point of the second end points external connection battery; Second end of second switch is connected with first end of the 4th switch, and the public point after the connection is the 3rd end points, another charging utmost point of the 3rd end points external connection battery; Second end of the 3rd switch is connected with second end of the 4th switch, and the public point after the connection is the 4th end points, and the 4th end points connects earth terminal.
Wherein, described control device also comprises the indicating module that is used to indicate charged state, short-circuit condition or saturation condition.Also have in addition in order to distinguish the state whether power supply inserts, promptly can indicate a kind of like this state: but the charging pin has the battery power supply not insert.
Wherein, described control device also comprises the oscillation module that is used to indicating module that flicker frequency is provided.
Wherein, described controller and switch are the combination of field effect transistor, bipolar transistor, insulated gate bipolar transistor, thyristor or above-mentioned device.
The beneficial effects of the utility model are: the reversible charger control that connects that is different from prior art is adopting resolution element to make, take the bigger defective of pcb board area, the charging of polarity adaptability is finished in the folding that the utility model is controlled first switch, second switch, the 3rd switch and the 4th switch by controller, and the state of battery is detected by polarity detection module, short-circuit detecting module, saturation detection module, after discovery polarity connects instead, transmit a signal to controller, thereby the controller diverter switch makes polarity suitable.When finding to transmit a signal to controller after the short circuit, controller diverter switch protection battery.After the discovery battery charge is saturated, cut off charging circuit, avoid over-charging of battery.
Further, indicating module is set also, the various states of battery are accurately indicated.
Further, oscillation module is set also, provides flicker frequency indicating module.
Description of drawings
Fig. 1 is that the battery charger control device embodiment battery of the automatic recognition function of the utility model band is just connecing the charging schematic diagram;
Fig. 2 is the battery charger control device embodiment battery reversal connection charging schematic diagram of the automatic recognition function of the utility model band.
Embodiment
By describing technology contents of the present utility model, structural feature in detail, realized purpose and effect, give explanation below in conjunction with execution mode and conjunction with figs. are detailed.
See also Figure 1 and Figure 2, the battery charger control device of the automatic recognition function of band of the present utility model comprises power end VCC, earth terminal GND, the first K switch P1, second switch KP2, the 3rd K switch P3, the 4th K switch P4, polarity detection module 101, short-circuit detecting module 102, saturation detection module 103 and controller 104; The first K switch P1, second switch KP2, the 3rd K switch P3 and the 4th K switch P4 all have first end, second end and controlled end; Controller 104 has four groups of control output ends, polarity detects trigger end, short-circuit detecting trigger end and saturation detection trigger end, and four groups of control output ends of described controller 104 are connected with the first K switch P1, second switch KP2, the 3rd K switch P3 and the controlled end of the 4th K switch P4 respectively; Described polarity detection module 101, short-circuit detecting module 102, saturation detection module 103 all detect external connection battery two electrodes, the polarity that the output of polarity detection module 101 connects controller 104 detects trigger end, the output of short-circuit detecting module 102 connects the short-circuit detecting trigger end of controller 104, and the output of saturation detection module 103 connects the saturation detection trigger end of controller 104; First end of the first K switch P1 is connected with first end of second switch KP2, and the public point after the connection is first end points, and first end points is connected with power end VCC; Second end of the first K switch P1 is connected with first end of the 3rd K switch P3, and the public point after the connection is second end points, a charging utmost point of the second end points external connection battery; Second end of second switch KP2 is connected with first end of the 4th K switch P4, and the public point after the connection is the 3rd end points, another charging utmost point of the 3rd end points external connection battery; Second end of the 3rd K switch P3 is connected with second end of the 4th K switch P4, and the public point after the connection is the 4th end points, and the 4th end points connects earth terminal GND.
When battery connects according to polarity shown in Figure 1, the first K switch P1 and the 4th K switch P4 closure, second switch KP2 and the 3rd K switch P3 disconnect, and battery charges normal.If when battery connect according to polarity shown in Figure 2, the first K switch P1 and the 4th K switch P4 were adjusted into disconnection, second switch KP2 and the 3rd K switch P3 closure, battery charges normal.So just can not damage battery, make battery to charge normal.
The reversible charger control that connects that is different from prior art is adopting resolution element to make, take the bigger defective of pcb board area, the utility model is finished the charging of polarity adaptability by the folding of controller 104 controls first switch, second switch, the 3rd switch and the 4th switch, and the state by polarity detection module 101, short-circuit detecting module 102,103 pairs of batteries of saturation detection module detects, after discovery polarity connects instead, transmit a signal to controller 104, thereby controller 104 diverter switches make polarity suitable.When finding to transmit a signal to controller 104 after the short circuit, controller 104 diverter switches protection battery.After the discovery battery charge is saturated, cut off charging circuit, avoid over-charging of battery.
In one embodiment, described control device also comprises the indicating module that is used to indicate polarization state, short-circuit condition and/or saturation condition.By indicating module is set, the various states of battery are accurately indicated.
In one embodiment, described control device also comprises the oscillation module that is used to indicating module that flicker frequency is provided.By oscillation module is set, provide flicker frequency to indicating module.
In one embodiment, described controller 104 and above-mentioned switch are the combination of field effect transistor, bipolar transistor, insulated gate bipolar transistor, thyristor or above-mentioned device.
The utility model is integrated in circuit such as polarity identification, charging control circuit LED demonstration on one chips, and controller is according to State Control KP1, KP2, KP3 and four switches of KP4 of circuit.Polarity detection circuit is judged the polarity of battery and is made suitable switching gate behind the battery access interface, forms the charge circuit on power supply-anode-battery cathode-power supply ground.The saturation detection module detects cell voltage/charging current and prevents to overcharge if battery promptly cuts off cell circuit after saturated; If the short-circuit detecting module was cut off charge circuit and is prevented big electric current when load short circuits took place.Built-in vibration of circuit and led drive circuit can indicate Light Condition respectively, saturation condition, and charged state, short-circuit condition and power supply be access state not.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (4)
1. the battery charger control device with automatic recognition function is characterized in that: comprise power end, earth terminal, first switch, second switch, the 3rd switch, the 4th switch, polarity detection module, short-circuit detecting module, saturation detection module and controller;
First switch, second switch, the 3rd switch and the 4th switch all have first end, second end and controlled end; Controller has four groups of control output ends, polarity detects trigger end, short-circuit detecting trigger end and saturation detection trigger end, and four groups of control output ends of described controller are connected with the controlled end of first switch, second switch, the 3rd switch and the 4th switch respectively;
Described polarity detection module, short-circuit detecting module, saturation detection module all detect external connection battery two electrodes, the polarity that the output of polarity detection module connects controller detects trigger end, the output of short-circuit detecting module connects the short-circuit detecting trigger end of controller, and the output of saturation detection module connects the saturation detection trigger end of controller;
First end of first switch is connected with first end of second switch, and the public point after the connection is first end points, and first end points is connected with power end; Second end of first switch is connected with first end of the 3rd switch, and the public point after the connection is second end points, a charging utmost point of the second end points external connection battery; Second end of second switch is connected with first end of the 4th switch, and the public point after the connection is the 3rd end points, another charging utmost point of the 3rd end points external connection battery; Second end of the 3rd switch is connected with second end of the 4th switch, and the public point after the connection is the 4th end points, and the 4th end points connects earth terminal.
2. the battery charger control device of the automatic recognition function of band according to claim 1 is characterized in that: described control device also comprises the indicating module that is used to indicate charged state, short-circuit condition or saturation condition.
3. the battery charger control device of the automatic recognition function of band according to claim 2 is characterized in that: described control device also comprises the oscillation module that is used to indicating module that flicker frequency is provided.
4. according to the battery charger control device of the automatic recognition function of each described band of claim 1～3, it is characterized in that: described controller and switch are the combination of field effect transistor, bipolar transistor, insulated gate bipolar transistor, thyristor or above-mentioned device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200463749U CN201966651U (en) | 2011-02-23 | 2011-02-23 | Battery charger control device with automatic recognition function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200463749U CN201966651U (en) | 2011-02-23 | 2011-02-23 | Battery charger control device with automatic recognition function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201966651U true CN201966651U (en) | 2011-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200463749U Expired - Fee Related CN201966651U (en) | 2011-02-23 | 2011-02-23 | Battery charger control device with automatic recognition function |
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| CN (1) | CN201966651U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780255A (en) * | 2012-05-29 | 2012-11-14 | 山东润峰电子科技有限公司 | Charger with polarity conversion function |
| CN103337895A (en) * | 2013-06-27 | 2013-10-02 | 安徽腾峰车业销售有限公司 | Multifunctional energy-saving non-polarity charger |
| CN103365226A (en) * | 2012-04-10 | 2013-10-23 | 约翰尼斯海登海恩博士股份有限公司 | Device and method for transmitting energy and data between a control unit and a position-measuring device |
| CN103779946A (en) * | 2014-03-03 | 2014-05-07 | 深圳市径贝科技有限公司 | Serial battery panel charging device and method |
| CN104079048A (en) * | 2013-03-28 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Charging circuit |
| CN110021981A (en) * | 2019-04-30 | 2019-07-16 | 维沃移动通信有限公司 | Charger and terminal |
-
2011
- 2011-02-23 CN CN2011200463749U patent/CN201966651U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103365226A (en) * | 2012-04-10 | 2013-10-23 | 约翰尼斯海登海恩博士股份有限公司 | Device and method for transmitting energy and data between a control unit and a position-measuring device |
| CN102780255A (en) * | 2012-05-29 | 2012-11-14 | 山东润峰电子科技有限公司 | Charger with polarity conversion function |
| CN104079048A (en) * | 2013-03-28 | 2014-10-01 | 深圳市海洋王照明工程有限公司 | Charging circuit |
| CN104079048B (en) * | 2013-03-28 | 2017-04-12 | 深圳市海洋王照明工程有限公司 | Charging circuit |
| CN103337895A (en) * | 2013-06-27 | 2013-10-02 | 安徽腾峰车业销售有限公司 | Multifunctional energy-saving non-polarity charger |
| CN103779946A (en) * | 2014-03-03 | 2014-05-07 | 深圳市径贝科技有限公司 | Serial battery panel charging device and method |
| CN110021981A (en) * | 2019-04-30 | 2019-07-16 | 维沃移动通信有限公司 | Charger and terminal |
| CN110021981B (en) * | 2019-04-30 | 2021-03-23 | 维沃移动通信有限公司 | Charger and terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110907 Termination date: 20150223 |
|
| EXPY | Termination of patent right or utility model |