CN107834631B - Circuit for preventing static electricity leakage of battery - Google Patents
Circuit for preventing static electricity leakage of battery Download PDFInfo
- Publication number
- CN107834631B CN107834631B CN201711096392.6A CN201711096392A CN107834631B CN 107834631 B CN107834631 B CN 107834631B CN 201711096392 A CN201711096392 A CN 201711096392A CN 107834631 B CN107834631 B CN 107834631B
- Authority
- CN
- China
- Prior art keywords
- battery
- interface
- photoelectric coupler
- photocoupler
- battery pack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a circuit for preventing static electric leakage of a battery, which comprises at least one circuit unit, wherein the circuit unit comprises a battery pack interface, the battery pack interface is electrically connected with a first photoelectric coupler and a second photoelectric coupler, the first photoelectric coupler and the second photoelectric coupler are also connected to a voltage detection end, the input end of the first photoelectric coupler is electrically connected with the output end of the second photoelectric coupler, the battery pack is connected to the battery pack interface, so that the input end of the first photoelectric coupler and the output end of the second photoelectric coupler are high-level ends, and the output end of the first photoelectric coupler and the input end of the second photoelectric coupler are low-level ends, so that the battery pack is in an open circuit state to prevent electric leakage of the battery pack. Through the mode, the circuit for preventing the static electricity leakage of the battery can prevent the static electricity leakage of the battery, improve the service efficiency of the battery and prolong the service life of the battery.
Description
Technical Field
The invention relates to the field of circuits, in particular to a circuit for preventing static electricity leakage of a battery.
Background
Leakage problem during battery charging: when the charger stops charging, the battery slowly discharges because the detection circuit consumes electricity, and the service life of the battery is affected.
At present, the problem can be solved only by taking down the battery in time after the battery is fully charged and cutting off the connection between the battery and the charger, but the charging process is generally long, so that a user is unlikely to keep the battery until the battery is fully charged, and even the battery is directly inserted into the charger for storage after being not used for a long time, therefore, the battery is basically continuously arranged on the charger for a long time after being charged, and the problem of electric leakage loss is inevitably generated.
Disclosure of Invention
The invention mainly solves the technical problem of providing a circuit for preventing static electricity leakage of a battery, which can prevent the static electricity leakage of the battery, improve the service efficiency of the battery and prolong the service life of the battery.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a prevent static electric leakage circuit of battery, includes at least one circuit unit, wraps the circuit unit includes battery package interface, electric connection has first optoelectronic coupler and second optoelectronic coupler on the battery package interface, first optoelectronic coupler and second optoelectronic coupler still are connected to the detection voltage end, the input of first optoelectronic coupler and the output electric connection of second optoelectronic coupler, battery package inserts battery package interface and makes the input of first optoelectronic coupler and the output of second optoelectronic coupler be the high level end, and the output of first optoelectronic coupler and the input of second optoelectronic coupler make the battery package be in the state of opening a circuit for preventing the battery package electric leakage for low level end.
In a preferred embodiment of the present invention, the positive electrode of the battery pack interface is connected to the input terminal of a first photocoupler, the input terminal of the first photocoupler is further connected to the output terminal of a second photocoupler, the output terminal of the second photocoupler is connected to the negative electrode of the battery pack interface, the output terminal of the first photocoupler is connected to the detection voltage terminal and grounded, and the input terminal of the second photocoupler is connected to the detection voltage terminal and grounded.
In a preferred embodiment of the present invention, the positive electrode of the battery pack interface is electrically connected to the first interface of the first photocoupler, the negative electrode of the battery pack interface is electrically connected to the third interface of the second photocoupler, the second interface of the first photocoupler is electrically connected to the fourth interface of the second photocoupler, the fourth interface of the first photocoupler and the first interface of the second photocoupler are electrically connected to the detection voltage terminal, and the third interface of the first photocoupler and the second interface of the second photocoupler are both grounded.
In a preferred embodiment of the present invention, a diode and a first resistor are sequentially electrically connected between the positive electrode of the battery pack interface and the first interface of the first photocoupler.
In a preferred embodiment of the present invention, the fourth port of the first photocoupler and the detection voltage end are electrically connected to a second resistor and a third resistor in sequence.
In a preferred embodiment of the present invention, a fourth resistor is electrically connected between the first port of the second photocoupler and the detection voltage terminal.
In a preferred embodiment of the present invention, the fourth port and the detection level terminal of the first photocoupler are electrically connected to the MCU.
The invention has the beneficial effects that: the circuit for preventing the static electricity leakage of the battery can prevent the static electricity leakage of the battery, improve the service efficiency of the battery and prolong the service life of the battery.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic diagram of a preferred embodiment of a circuit for preventing static leakage of a battery according to the present invention;
the parts in the drawings are numbered as follows: 10. the circuit comprises a circuit unit 101, a battery pack interface 102, a first photoelectric coupler 103, a second photoelectric coupler 104, a detection voltage end 105, a diode 106, a first resistor 107, a second resistor 108, a third resistor 109, a fourth resistor 110 and an MCU.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a circuit for preventing static leakage of a battery includes at least one circuit unit 10, the circuit unit includes a battery pack interface 101, the battery pack interface 101 is electrically connected to a first photocoupler 102 and a second photocoupler 103, the first photocoupler 102 and the second photocoupler 103 are further connected to a detection voltage terminal 104, an input terminal of the first photocoupler 102 is electrically connected to an output terminal of the second photocoupler 103, the battery pack is connected to the battery pack interface 101 such that the input terminal of the first photocoupler 102 and the output terminal of the second photocoupler 103 are high-level terminals, and the output terminal of the first photocoupler 102 and the input terminal of the second photocoupler 103 are low-level terminals such that the battery pack is in an open circuit state to prevent leakage of the battery pack.
In addition, the positive pole of the battery pack interface 101 is connected to the input terminal of the first photocoupler 102, the input terminal of the first photocoupler 102 is further connected to the output terminal of the second photocoupler 103, the output terminal of the second photocoupler 103 is connected to the negative pole of the battery pack interface 101, the output terminal of the first photocoupler 102 is connected to the detection voltage terminal 104 and is grounded, and the input terminal of the second photocoupler 103 is connected to the detection voltage terminal 104 and is grounded.
In addition, the positive electrode of the battery pack interface 101 is electrically connected to the first interface of the first photocoupler 102, the negative electrode of the battery pack interface 101 is electrically connected to the third interface of the second photocoupler 103, the second interface of the first photocoupler 102 is electrically connected to the fourth interface of the second photocoupler 103, the fourth interface of the first photocoupler 102 and the first interface of the second photocoupler 103 are electrically connected to the detection voltage terminal 104, and the third interface of the first photocoupler 102 and the second interface of the second photocoupler 103 are both grounded.
In addition, a diode 105 and a first resistor 106 are electrically connected between the positive electrode of the battery pack interface 101 and the first interface of the first photocoupler 102 in sequence. The fourth port of the first photocoupler 102 and the detection voltage terminal 104 are electrically connected with a second resistor 107 and a third resistor 108 in sequence. A fourth resistor 109 is electrically connected between the first port of the second photocoupler 103 and the detection voltage terminal 104.
In addition, the fourth port of the first photocoupler 102 and the detection level terminal 104 are electrically connected to the MCU 110.
After the charging of the battery pack is completed, the static leakage prevention circuit of the battery is used for enabling the battery pack to be in an open circuit state through the first photoelectric coupler 102 and the second photoelectric coupler 103, so that the leakage quantity of the battery pack is 0, and the service life of the battery pack is prolonged.
Different from the prior art, the circuit for preventing the static electricity leakage of the battery can prevent the static electricity leakage of the battery, improve the service efficiency of the battery and prolong the service life of the battery.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A circuit for preventing static electric leakage of a battery is characterized by comprising at least one circuit unit, wherein the circuit unit comprises a battery pack interface, the battery pack interface is electrically connected with a first photoelectric coupler and a second photoelectric coupler, the first photoelectric coupler and the second photoelectric coupler are also connected to a voltage detection end, the input end of the first photoelectric coupler is electrically connected with the output end of the second photoelectric coupler, the battery pack is connected into the battery pack interface, so that the input end of the first photoelectric coupler and the output end of the second photoelectric coupler are high-level ends, the output end of the first photoelectric coupler and the input end of the second photoelectric coupler are low-level ends, so that the battery pack is in an open circuit state to prevent the electric leakage of the battery pack, the positive electrode of the battery pack interface is connected with the input end of the first photoelectric coupler, and the input end of the first photoelectric coupler is also connected with the output end of the second photoelectric coupler, the output end of the second photoelectric coupler is connected with the negative electrode of the battery pack interface, the output end of the first photoelectric coupler is connected with the detection voltage end and is grounded, and the input end of the second photoelectric coupler is connected with the detection voltage end and is grounded.
2. The circuit for preventing static leakage of battery according to claim 1, wherein the positive electrode of the battery pack interface is electrically connected to the first interface of the first photocoupler, the negative electrode of the battery pack interface is electrically connected to the third interface of the second photocoupler, the second interface of the first photocoupler is electrically connected to the fourth interface of the second photocoupler, the fourth interface of the first photocoupler and the first interface of the second photocoupler are electrically connected to the detection voltage terminal, and the third interface of the first photocoupler and the second interface of the second photocoupler are both grounded.
3. The circuit for preventing static electricity leakage of a battery as claimed in claim 2, wherein a diode and a first resistor are electrically connected between the positive electrode of the battery pack interface and the first interface of the first photocoupler in sequence.
4. The battery static electricity leakage preventing circuit according to claim 3, wherein the fourth port of the first photocoupler and the detection voltage end are electrically connected with a second resistor and a third resistor in sequence.
5. The battery static leakage prevention circuit of claim 4, wherein a fourth resistor is electrically connected between the first port of the second optocoupler and the detection voltage terminal.
6. The battery static leakage prevention circuit of claim 5, wherein the fourth port and the detection level terminal of the first optocoupler are electrically connected to the MCU.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096392.6A CN107834631B (en) | 2017-11-09 | 2017-11-09 | Circuit for preventing static electricity leakage of battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711096392.6A CN107834631B (en) | 2017-11-09 | 2017-11-09 | Circuit for preventing static electricity leakage of battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107834631A CN107834631A (en) | 2018-03-23 |
| CN107834631B true CN107834631B (en) | 2021-01-19 |
Family
ID=61654940
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711096392.6A Active CN107834631B (en) | 2017-11-09 | 2017-11-09 | Circuit for preventing static electricity leakage of battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107834631B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000244300A (en) * | 1999-02-22 | 2000-09-08 | Yaskawa Electric Corp | On and off detecting circuit |
| CN202794925U (en) * | 2012-08-08 | 2013-03-13 | 慈溪市顺达实业有限公司 | Control communication device for variable frequency motor |
| CN205123680U (en) * | 2015-11-05 | 2016-03-30 | 安徽长远绿色能源有限公司 | Photovoltaic module and terminal box with keep apart communication function |
| CN105515099A (en) * | 2015-12-10 | 2016-04-20 | 深圳市科陆电子科技股份有限公司 | Battery power supply management apparatus of passive RFID reader-writer |
-
2017
- 2017-11-09 CN CN201711096392.6A patent/CN107834631B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000244300A (en) * | 1999-02-22 | 2000-09-08 | Yaskawa Electric Corp | On and off detecting circuit |
| CN202794925U (en) * | 2012-08-08 | 2013-03-13 | 慈溪市顺达实业有限公司 | Control communication device for variable frequency motor |
| CN205123680U (en) * | 2015-11-05 | 2016-03-30 | 安徽长远绿色能源有限公司 | Photovoltaic module and terminal box with keep apart communication function |
| CN105515099A (en) * | 2015-12-10 | 2016-04-20 | 深圳市科陆电子科技股份有限公司 | Battery power supply management apparatus of passive RFID reader-writer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107834631A (en) | 2018-03-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305382A (en) | Charge and discharge protective circuit for battery | |
| CN104505905A (en) | Single-charged and series-discharged lithium battery pack | |
| CN205160049U (en) | Battery charge and discharge protection circuit | |
| CN104426139A (en) | Anti-reverse battery charging protecting circuit | |
| CN105207332B (en) | Electric car charger intelligent control circuit | |
| CN107834631B (en) | Circuit for preventing static electricity leakage of battery | |
| CN208691000U (en) | A kind of switching circuit for charged pool function device | |
| CN207819482U (en) | A kind of charge-discharge circuit and device | |
| CN206564542U (en) | A kind of standby electric automatic discrimination change-over circuit | |
| CN104882742A (en) | Intelligent charging socket | |
| CN109149285A (en) | A kind of mobile phone charging wire with automatic circuit break function | |
| CN210380315U (en) | Low-voltage battery charging protection circuit | |
| CN206628824U (en) | A kind of anti-firing circuit and direct current charging connector | |
| CN106487068A (en) | Overvoltage protective system and method | |
| CN204886217U (en) | Activation circuit of mobile device battery | |
| CN204465110U (en) | Quick charger circuit | |
| CN204497783U (en) | Automatic control electric pond | |
| CN204858650U (en) | Mobile power supply | |
| CN209571856U (en) | A kind of device that cannot be charged suitable for li-ion cell protection | |
| CN203617764U (en) | Charging circuit with cell polarity reversal connection protection | |
| CN201947030U (en) | Emergent charge device of a mobile terminal | |
| CN204858646U (en) | Prevent circuit of interface damage | |
| CN206180604U (en) | But simple and easy auto -power -off data line | |
| CN209593019U (en) | Electrode adaptability charging circuit | |
| CN204835669U (en) | Intelligent cell phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 213000 Jiangsu province Changzhou Xingang Tower Road Economic Development Zone No. 65-1 Applicant after: Gelibo (Jiangsu) Co., Ltd Address before: 213000 Jiangsu city in Changzhou Province Economic Development Zone Xingang Zhonglou District Tower Road No. 65 Applicant before: CHANGZHOU GLOBE Co.,Ltd. |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |