CN112383106A - Self-activated battery protection circuit and self-activated method during battery installation - Google Patents
Self-activated battery protection circuit and self-activated method during battery installation Download PDFInfo
- Publication number
- CN112383106A CN112383106A CN202011255061.4A CN202011255061A CN112383106A CN 112383106 A CN112383106 A CN 112383106A CN 202011255061 A CN202011255061 A CN 202011255061A CN 112383106 A CN112383106 A CN 112383106A
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- CN
- China
- Prior art keywords
- battery
- self
- battery protection
- activated
- protection circuit
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- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 9
- 238000009434 installation Methods 0.000 title description 6
- 238000001514 detection method Methods 0.000 claims description 6
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 abstract description 5
- 229910001416 lithium ion Inorganic materials 0.000 abstract description 5
- 230000003213 activating effect Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 abstract description 3
- 230000004048 modification Effects 0.000 abstract description 3
- 239000003990 capacitor Substances 0.000 abstract description 2
- 238000005259 measurement Methods 0.000 abstract description 2
- 230000002093 peripheral effect Effects 0.000 abstract description 2
- 229910044991 metal oxide Inorganic materials 0.000 abstract 1
- 150000004706 metal oxides Chemical class 0.000 abstract 1
- 239000004065 semiconductor Substances 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000005693 optoelectronics Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
Images
Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a self-activated battery protection circuit and a self-activated method when a battery is installed, wherein the self-activated battery protection circuit comprises a battery protection IC, a peripheral capacitor, a resistor and an MOS (metal oxide semiconductor) tube; the invention realizes the function of automatically activating the battery protection circuit when installing the battery by inputting the voltage of the battery into the battery protection chip when installing the single battery on the battery pack. The invention does not need to use an external power supply to reactivate the battery protection chip, and is convenient for field operation. The invention has low cost and simple modification, and can be applied to all equipment using a plurality of lithium ion battery packs (2-4 batteries are connected in series), such as equipment for shooting, distance measurement, gun aiming mirror and the like.
Description
Technical Field
The invention belongs to the technical field of circuits, and particularly relates to a self-activated battery protection circuit and a self-activated method during battery installation.
Background
With the rapid development of the photoelectric technology, the photoelectric technology can penetrate into various fields of military battles with the greatest breadth and depth, so that the photoelectric technology becomes a core and a support for realizing high-tech and informatization of military reconnaissance. Optoelectronic devices have evolved from the earliest purely optical devices to modern optoelectronic devices that integrate optical and electrical integration.
The photoelectric equipment generally supplies power for a plurality of batteries in series, and a battery protection IC is required to be designed in order to ensure that the photoelectric equipment can be normally used and all single lithium ion batteries in the battery pack can be protected from over-discharge damage; because a charging power supply is not easy to find in field operation, the situation that a battery needs to be replaced often occurs, and a circuit with a battery protection IC can normally work only by charging and activating an external power supply, which is particularly important for normal use of equipment.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: a battery protection circuit and a self-activation method for self-activating upon installation of a battery are provided for automatically activating the battery protection circuit upon installation of the battery.
The technical scheme adopted by the invention for solving the technical problems is as follows: a battery protection circuit capable of self-activating during battery installation comprises a battery protection chip D1, a battery seat pole piece B1 and a resistor R4; one end of the resistor R4 is connected to the battery holder pole piece B1, and the other end is connected to the voltage detection pin VMP of the battery protection chip D1.
A method of self-activating a battery protection circuit, comprising the steps of:
s1: a resistor R4 is added in the battery protection circuit, one end of the resistor R4 is connected with a battery holder pole piece B1, and the other end is connected with a voltage detection pin VMP of a battery protection chip D1;
s2: installing the battery BT1 in a battery holder, and enabling the positive electrode of the battery BT1 to be fully contacted with a battery holder pole piece B1;
s3: the battery BT1 inputs a positive voltage to the voltage detection pin VMP of the battery protection chip D1, and the battery protection chip D1 activates and starts normal operation when detecting the voltage input.
The invention has the beneficial effects that:
1. the self-activated battery protection circuit and the self-activated method in the battery installation process realize the function of automatically activating the battery protection circuit in the battery installation process by inputting the voltage of the battery into the battery protection chip when a single battery is installed on the battery pack.
2. The invention does not need to use an external power supply to reactivate the battery protection chip, and is convenient for field operation.
3. The invention has low cost and simple modification, and can be applied to all equipment using a plurality of lithium ion battery packs (2-4 batteries are connected in series), such as equipment for shooting, distance measurement, gun aiming mirror and the like.
Drawings
Fig. 1 is a conventional lithium ion battery protection circuit diagram.
Fig. 2 is a circuit diagram of an embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the embodiment of the invention includes a battery protection chip D1, a battery holder pole piece B1, a resistor R4, a peripheral capacitor, and a MOS transistor.
The invention is modified on the existing lithium ion battery protection circuit, a resistor R4 is added in the original design of figure 1 for connecting a B1 and a third pin of a battery protection chip D1, when a single battery BT1 is installed, the positive voltage of the BT1 is input into a third pin VMP of a battery protection chip D1, the third pin VMP of the battery protection chip D1 has the function of detecting voltage, and the battery protection chip D1 is activated and starts to work normally when detecting the voltage input.
The above embodiments are only used for illustrating the design idea and features of the present invention, and the purpose of the present invention is to enable those skilled in the art to understand the content of the present invention and implement the present invention accordingly, and the protection scope of the present invention is not limited to the above embodiments. Therefore, all equivalent changes and modifications made in accordance with the principles and concepts disclosed herein are intended to be included within the scope of the present invention.
Claims (2)
1. A battery protection circuit that is self-activating when a battery is installed, comprising: the battery protection circuit comprises a battery protection chip D1, a battery seat pole piece B1 and a resistor R4; one end of the resistor R4 is connected to the battery holder pole piece B1, and the other end is connected to the voltage detection pin VMP of the battery protection chip D1.
2. The self-activation method of the battery protection circuit that is self-activated when the battery is installed according to claim 1, wherein: the method comprises the following steps:
s1: a resistor R4 is added in the battery protection circuit, one end of the resistor R4 is connected with a battery holder pole piece B1, and the other end is connected with a voltage detection pin VMP of a battery protection chip D1;
s2: installing the battery BT1 in a battery holder, and enabling the positive electrode of the battery BT1 to be fully contacted with a battery holder pole piece B1;
s3: the battery BT1 inputs a positive voltage to the voltage detection pin VMP of the battery protection chip D1, and the battery protection chip D1 activates and starts normal operation when detecting the voltage input.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255061.4A CN112383106A (en) | 2020-11-11 | 2020-11-11 | Self-activated battery protection circuit and self-activated method during battery installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011255061.4A CN112383106A (en) | 2020-11-11 | 2020-11-11 | Self-activated battery protection circuit and self-activated method during battery installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112383106A true CN112383106A (en) | 2021-02-19 |
Family
ID=74582699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011255061.4A Pending CN112383106A (en) | 2020-11-11 | 2020-11-11 | Self-activated battery protection circuit and self-activated method during battery installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112383106A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022151Y (en) * | 2006-12-13 | 2008-02-13 | 比亚迪股份有限公司 | Self dormancy control circuit and battery system |
| US20130163134A1 (en) * | 2011-12-27 | 2013-06-27 | Samsung SOl Co., Ltd. | Battery protection circuit |
| CN104348233A (en) * | 2014-11-19 | 2015-02-11 | 无锡中星微电子有限公司 | Battery protection circuit and system |
| CN204376434U (en) * | 2014-11-19 | 2015-06-03 | 无锡中星微电子有限公司 | Battery protecting circuit |
| CN105743067A (en) * | 2016-04-28 | 2016-07-06 | 深圳源创智能照明有限公司 | Self-activation circuit and battery protection system with same |
-
2020
- 2020-11-11 CN CN202011255061.4A patent/CN112383106A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201022151Y (en) * | 2006-12-13 | 2008-02-13 | 比亚迪股份有限公司 | Self dormancy control circuit and battery system |
| US20130163134A1 (en) * | 2011-12-27 | 2013-06-27 | Samsung SOl Co., Ltd. | Battery protection circuit |
| CN104348233A (en) * | 2014-11-19 | 2015-02-11 | 无锡中星微电子有限公司 | Battery protection circuit and system |
| CN204376434U (en) * | 2014-11-19 | 2015-06-03 | 无锡中星微电子有限公司 | Battery protecting circuit |
| CN105743067A (en) * | 2016-04-28 | 2016-07-06 | 深圳源创智能照明有限公司 | Self-activation circuit and battery protection system with same |
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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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210219 |