CN202372602U - Reverse connection detecting circuit for batteries - Google Patents
Reverse connection detecting circuit for batteries Download PDFInfo
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- CN202372602U CN202372602U CN2011205298998U CN201120529899U CN202372602U CN 202372602 U CN202372602 U CN 202372602U CN 2011205298998 U CN2011205298998 U CN 2011205298998U CN 201120529899 U CN201120529899 U CN 201120529899U CN 202372602 U CN202372602 U CN 202372602U
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- photoelectrical coupler
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Abstract
The utility model discloses a reverse connection detecting circuit for batteries, which includes a battery unit, a reverse connection drive unit, an alarm circuit unit and a microprocessor unit, wherein the battery unit includes a positive terminal and a negative terminal; the battery unit, the reverse connection drive unit, the alarm circuit unit and the microprocessor unit are sequentially and electrically connected; the alarm circuit unit includes a photoelectric coupler module and an alarm module, wherein one end of the alarm module is electrically connected with the negative terminal of the battery unit; the other end of the alarm module is electrically connected with the photoelectric coupler module; and the photoelectric coupler module is electrically connected with the microprocessor unit. According to the utility model, when the batteries are reversely connected, the microprocessor unit controls the external circuit to be off, and reminds the operation personnel of fault battery connection through an alarm signal, so that the fault can be corrected timely; in addition, destructive actions are avoided, replacement of the parts is avoided, the structure is simple, the cost is low, and the use is convenient.
Description
Technical field
The utility model relates to electronic circuit field, especially relates to a kind of battery reversal connection circuit for detecting.
Background technology
Solar electrical energy generation can be divided into grid-connected system and stand alone generating system.In the stand alone generating system energy storage device---accumulator must be arranged, accumulator discharges to consumer, keeps the consumer operate as normal, after battery discharging, by solar panel accumulator is charged again.In the circuit that needs the frequent change accumulator, light then electric equipment that can damage high value perhaps damages accumulator if accumulator polarity connects instead, heavy then can cause that accumulator is overheated blasts, very easily cause any property loss and the generation of personal safety accident.And in the prior art, the reversal connection circuit for detecting often only is applied in the signal detection process, just has a signal to transmit after the reversal connection, but does not cooperate other structures to produce certain protection action, the effect that in the use of product, can bring inconvenience.
Summary of the invention
The utility model be to the defective that above-mentioned background technology exists provide a kind of simple in structure, realize fault alarm and protection, cost battery reversal connection circuit for detecting low, easy to use.
For realizing above-mentioned purpose; The utility model discloses a kind of battery reversal connection circuit for detecting; It comprises battery unit, reversal connection driver element, warning circuit unit and microprocessor unit, and said battery unit comprises positive terminal and negative pole end, and said battery unit, reversal connection driver element, warning circuit unit and microprocessor unit electrically connect successively; Said warning circuit unit comprises photoelectrical coupler module and alarm module; Said alarm module one end and said battery unit negative pole end electrically connect, and the said alarm module other end and said photoelectrical coupler module electrically connect, and said photoelectrical coupler module and said microprocessor unit electrically connect.
Further, said reversal connection driver element comprises first diode, and said first diode cathode and said battery unit positive terminal electrically connect, and said first diode anode and said warning circuit unit electrically connect.
Further, be electrically connected with the step-down module between said alarm module and the said battery unit negative pole end.
Further, said step-down module comprises first dropping resistor, second dropping resistor, the 3rd dropping resistor and the 4th dropping resistor, and said first dropping resistor, second dropping resistor, the 3rd dropping resistor and the 4th dropping resistor are connected in series successively.
Further; Said alarm module comprises light emitting diode and hummer; Said light-emitting diodes tube anode and said battery unit negative pole end electrically connect; Said light-emitting diodes tube cathode and said hummer one end electrically connect, and the said hummer other end and said photoelectrical coupler module electrically connect.
Further; Said photoelectrical coupler module comprises photoelectrical coupler; Said photoelectrical coupler anode and said alarm module electrically connect; Said photoelectrical coupler negative electrode and said first diode anode electrically connect, and said photoelectrical coupler collector and said microprocessor unit input end electrically connect, said photoelectrical coupler grounded emitter.
Further; Said microprocessor unit comprises detection terminal, power supply terminal and ground terminal; Said detection terminal and power supply terminal electrically connect with said photoelectrical coupler collector respectively, and said power supply terminal is electrically connected with direct supply, said ground terminal ground connection.
Further, be electrically connected with current-limiting resistance between said power supply terminal and the said photoelectrical coupler collector.
In sum; The utility model battery reversal connection circuit for detecting said MCU controls external circuits when the battery reversal connection is not worked, and connects the method mistake through sound and light alarm signal prompt operating personnel battery, so that in time correct; And; Do not need destructive action, need not renewal part, simple in structure, cost hangs down and is easy to use.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
Fig. 2 is the circuit theory diagrams of the utility model shown in Figure 1.
Embodiment
For further understanding characteristic, technological means and the specific purposes that reached, the function of the utility model, the utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
See also Fig. 1 and Fig. 2; The utility model battery reversal connection circuit for detecting comprises battery unit 10, reversal connection driver element 20, warning circuit unit 30 and microprocessor unit 40; Said battery unit 10, reversal connection driver element 20, warning circuit unit 30 and microprocessor unit 40 electrically connect successively; Said battery unit 10 comprises positive terminal BAT+ and negative pole end BAT-; Said reversal connection driver element 20 comprises the first diode D1, and said first diode D1 negative electrode and said battery unit 10 positive terminal BAT+ electrically connect, and said first diode D1 anode and said warning circuit unit 30 electrically connect.
Said warning circuit unit 30 comprises step-down module 31, photoelectrical coupler module 32 and alarm module 33; Said step-down module 31 1 ends and said battery unit 10 negative pole end BAT-electrically connect; Said step-down module 31 other ends and said alarm module 33 1 ends electrically connect, and said alarm module 33 other ends and said photoelectrical coupler module 32 electrically connect.Said step-down module 31 comprises the first dropping resistor RW1, the second dropping resistor RW2, the 3rd dropping resistor RW3 and the 4th dropping resistor RW4, and the said first dropping resistor RW1, the second dropping resistor RW2, the 3rd dropping resistor RW3 and the 4th dropping resistor RW4 are connected in series successively; Said photoelectrical coupler module 32 comprises the photoelectrical coupler U and the second diode D2; Said photoelectrical coupler U anode and said alarm module 33 and the second diode D2 negative electrode electrically connect; Said photoelectrical coupler U negative electrode and the said first diode D1 anode and the second diode D2 anode electrically connect; Said photoelectrical coupler U collector and said microprocessor unit 40 input ends electrically connect, said photoelectrical coupler U grounded emitter; Said alarm module 33 comprises light emitting diode D3, hummer BZ and first capacitor C 1; Said light emitting diode D3 anode and said the 4th dropping resistor RW4 electrically connect; Said light emitting diode D3 negative electrode and said hummer BZ one end electrically connect, and the said hummer BZ other end and said photoelectrical coupler U anode electrically connect.
Said microprocessor unit 40 comprises detection terminal S, power supply terminal P, ground terminal N, second capacitor C 2, the 3rd capacitor C 3 and current-limiting resistance R; Said detection terminal S and power supply terminal P electrically connect with said photoelectrical coupler U collector respectively; Said microprocessor unit 40 detects whether reversal connection of battery through detection terminal S; And send signal with the work of control external circuits; Said power supply terminal P is electrically connected with direct supply VCC, said ground terminal N ground connection, and said direct supply VCC voltage is 5V; Said second capacitor C 2 two ends electrically connect collector and the emitter of said photoelectrical coupler U respectively; Said the 3rd capacitor C 3 two ends electrically connect said power supply terminal P and ground terminal N respectively, and said current-limiting resistance R is electrically connected between said power supply terminal P and the said photoelectrical coupler U collector, to prevent that super-high-current impacts said microprocessor unit 40 when the photoelectrical coupler U conducting.
The utility model is when operate as normal; In the correct place in circuit of battery; Because the first not conducting of diode D1, photoelectrical coupler U does not work, and said warning circuit unit 30 is in off position; Detection terminal S exports high level signal, said micro controller unit 40 control external circuits operate as normal.
When the battery reversal connection is gone in the circuit, the first diode D1 conducting, cell voltage flow through after through 31 step-downs of step-down module light emitting diode D3 and hummer BZ; Photoelectrical coupler U conducting simultaneously, at this moment, detection terminal S output low level signal; Said micro controller unit 40 control external circuitses are not worked, and hummer BZ and light emitting diode D3 two ends form voltage difference, and hummer BZ sends chimes of doom; Light emitting diode D3 is luminous, promptly sends sound and light alarm signal prompt battery and connects the method mistake, correctly connects with timely notifying operation personnel; In order to avoid cause unnecessary loss, practical.
In sum; The utility model battery reversal connection circuit for detecting said micro controller unit 40 control external circuitses when the battery reversal connection are not worked, and connect the method mistake through sound and light alarm signal prompt operating personnel battery, so that in time correct; And; Do not need destructive action, need not renewal part, simple in structure, cost hangs down and is easy to use.
The above embodiment has only expressed a kind of embodiment of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model scope.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model should be as the criterion with accompanying claims.
Claims (8)
1. battery reversal connection circuit for detecting; Comprise battery unit (10); Said battery unit (10) comprises positive terminal (BAT+) and negative pole end (BAT-); It is characterized in that: also comprise reversal connection driver element (20), warning circuit unit (30) and microprocessor unit (40); Said battery unit (10), reversal connection driver element (20), warning circuit unit (30) and microprocessor unit (40) electrically connect successively; Said warning circuit unit (30) comprises photoelectrical coupler module (32) and alarm module (33); Said alarm module (33) one ends and said battery unit (10) negative pole end (BAT-) electrically connect, and said alarm module (33) other end and said photoelectrical coupler module (32) electrically connect, and said photoelectrical coupler module (32) electrically connects with said microprocessor unit (40).
2. battery reversal connection circuit for detecting according to claim 1; It is characterized in that: said reversal connection driver element (20) comprises first diode (D1); Said first diode (D1) negative electrode and said battery unit (10) positive terminal (BAT+) electrically connect, and said first diode (D1) anode and said warning circuit unit (30) electrically connect.
3. battery reversal connection circuit for detecting according to claim 1 is characterized in that: be electrically connected with step-down module (31) between said alarm module (33) and said battery unit (10) negative pole end (BAT-).
4. battery reversal connection circuit for detecting according to claim 3; It is characterized in that: said step-down module (31) comprises first dropping resistor (RW1), second dropping resistor (RW2), the 3rd dropping resistor (RW3) and the 4th dropping resistor (RW4), and said first dropping resistor (RW1), second dropping resistor (RW2), the 3rd dropping resistor (RW3) and the 4th dropping resistor (RW4) are connected in series successively.
5. battery reversal connection circuit for detecting according to claim 1; It is characterized in that: said alarm module (33) comprises light emitting diode (D3) and hummer (BZ); Said light emitting diode (D3) anode and said battery unit (10) negative pole end (BAT-) electrically connect; Said light emitting diode (D3) negative electrode and said hummer (BZ) end electrically connect, and said hummer (BZ) other end and said photoelectrical coupler module (32) electrically connect.
6. battery reversal connection circuit for detecting according to claim 1; It is characterized in that: said photoelectrical coupler module (32) comprises photoelectrical coupler (U); Said photoelectrical coupler (U) anode and said alarm module (33) electrically connect; Said photoelectrical coupler (U) negative electrode and said first diode (D1) anode electrically connect, and said photoelectrical coupler (U) collector and said microprocessor unit (40) input end electrically connect, said photoelectrical coupler (U) grounded emitter.
7. battery reversal connection circuit for detecting according to claim 6; It is characterized in that: said microprocessor unit (40) comprises detection terminal (S), power supply terminal (P) and ground terminal (N); Said detection terminal (S) and power supply terminal (P) electrically connect with said photoelectrical coupler (U) collector respectively; Said power supply terminal (P) is electrically connected with direct supply (VCC), said ground terminal (N) ground connection.
8. battery reversal connection circuit for detecting according to claim 7 is characterized in that: be electrically connected with current-limiting resistance (R) between said power supply terminal (P) and said photoelectrical coupler (U) collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205298998U CN202372602U (en) | 2011-12-19 | 2011-12-19 | Reverse connection detecting circuit for batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205298998U CN202372602U (en) | 2011-12-19 | 2011-12-19 | Reverse connection detecting circuit for batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202372602U true CN202372602U (en) | 2012-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205298998U Expired - Fee Related CN202372602U (en) | 2011-12-19 | 2011-12-19 | Reverse connection detecting circuit for batteries |
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| CN (1) | CN202372602U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323732A (en) * | 2013-06-19 | 2013-09-25 | 上海正泰电源系统有限公司 | Photovoltaic inverter multi-channel input reverse connection detection circuit with self-diagnostic function |
| CN104777394A (en) * | 2014-01-13 | 2015-07-15 | 东莞钜威新能源有限公司 | Line connection sequence detection circuit |
| CN105790248A (en) * | 2016-05-16 | 2016-07-20 | 阿克苏舒奇蒙光伏发电有限公司 | Photovoltaic microgrid anti-reverse connection circuit |
| CN112748375A (en) * | 2019-10-31 | 2021-05-04 | 上海度普新能源科技有限公司 | Battery cell line sequence detection system |
-
2011
- 2011-12-19 CN CN2011205298998U patent/CN202372602U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103323732A (en) * | 2013-06-19 | 2013-09-25 | 上海正泰电源系统有限公司 | Photovoltaic inverter multi-channel input reverse connection detection circuit with self-diagnostic function |
| CN103323732B (en) * | 2013-06-19 | 2017-02-08 | 上海正泰电源系统有限公司 | Photovoltaic inverter multi-channel input reverse connection detection circuit with self-diagnostic function |
| CN104777394A (en) * | 2014-01-13 | 2015-07-15 | 东莞钜威新能源有限公司 | Line connection sequence detection circuit |
| CN105790248A (en) * | 2016-05-16 | 2016-07-20 | 阿克苏舒奇蒙光伏发电有限公司 | Photovoltaic microgrid anti-reverse connection circuit |
| CN105790248B (en) * | 2016-05-16 | 2019-08-13 | 阿克苏舒奇蒙光伏发电有限公司 | The micro- electric reverse-connection preventing circuit of photovoltaic |
| CN112748375A (en) * | 2019-10-31 | 2021-05-04 | 上海度普新能源科技有限公司 | Battery cell line sequence detection system |
| CN112748375B (en) * | 2019-10-31 | 2022-07-29 | 上海度普新能源科技有限公司 | Electricity core line preface detecting system |
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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: 20120808 Termination date: 20161219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |