CN214850516U - Charging voltage control protection device for seven strings of lithium batteries - Google Patents
Charging voltage control protection device for seven strings of lithium batteries Download PDFInfo
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- CN214850516U CN214850516U CN202023049336.7U CN202023049336U CN214850516U CN 214850516 U CN214850516 U CN 214850516U CN 202023049336 U CN202023049336 U CN 202023049336U CN 214850516 U CN214850516 U CN 214850516U
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- lithium battery
- circuit
- unit lithium
- lithium batteries
- chip microcomputer
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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 application discloses seven strings of lithium battery charging voltage control protection device includes: the lithium battery pack comprises unit lithium batteries, a control single chip microcomputer and a signal indicator light, wherein the unit lithium batteries are connected in series through connecting parts, the control single chip microcomputer is a general programmable integrated circuit and is provided with seven electrode connecting ends, a power supply access end and a public grounding end, the electrode connecting ends are sequentially and correspondingly connected to the anodes of the unit lithium batteries, the power supply access end is connected with the anode of the outermost unit lithium battery, the public grounding end is connected with the cathode of the outermost unit lithium battery, one end of the signal indicator light is connected to the public grounding end, the other end of the signal indicator light is connected to the anode of the outermost unit lithium battery, a high-precision detection circuit and a short-circuit protection circuit are arranged in the control single chip microcomputer, and the high-precision detection circuit and the short-circuit protection circuit are connected between two adjacent electrode connecting ends in parallel. The application has the advantages of simple structure, convenience in use, good use effect and the like.
Description
Technical Field
The utility model relates to a lithium battery charging protection technical field specifically is a seven cluster lithium battery charging voltage control protection devices.
Background
The lithium battery is applied in more and more fields due to the superiority of the performance of the lithium battery, but the manufacturing cost of the lithium battery is higher due to the structure of the lithium battery, the service life of the lithium battery is the most important key point in use, the charging voltage of the lithium battery needs to be controlled in the charging process, otherwise, the lithium battery greatly damages a lithium battery unit and even directly rejects the lithium battery unit; the existing lithium battery charging voltage protection device is mostly used for the lithium battery pack after the whole assembly, certain errors exist in the charging protection voltage, certain unit lithium battery charging voltage can be caused to be higher, and the lithium battery charging voltage protection device cannot be in an ideal state, so that the lithium battery charging voltage protection device is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a seven cluster lithium cell charging voltage control protection devices to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a charging voltage control protection device for seven strings of lithium batteries comprises: the lithium battery pack comprises unit lithium batteries, a control single chip microcomputer and a signal indicator light, wherein the unit lithium batteries are connected in series through connecting parts, the control single chip microcomputer is a general programmable integrated circuit and is provided with seven electrode connecting ends, a power supply access end and a public grounding end, the electrode connecting ends are sequentially and correspondingly connected to the anodes of the unit lithium batteries, the power supply access end is connected with the anode of the outermost unit lithium battery, the public grounding end is connected with the cathode of the outermost unit lithium battery, one end of the signal indicator light is connected to the public grounding end, the other end of the signal indicator light is connected to the anode of the outermost unit lithium battery, a high-precision detection circuit and a short-circuit protection circuit are arranged in the control single chip microcomputer, and a high-precision detection circuit and a short-circuit protection circuit are connected between two adjacent electrode connecting ends in parallel.
Furthermore, a main circuit protection resistor is connected in series with the unit lithium battery.
Furthermore, the electrode connecting end is provided with a shunt protection resistor, and the electrode connecting end is provided with a grounding capacitor.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a seven cluster lithium battery charging voltage control protection device is different from current lithium battery charging voltage control protection device, but adopt independent protection mode to protect every unit lithium cell, the charging voltage when unit lithium cell both ends surpasss rated charging voltage, the high accuracy detection circuitry control short circuit protection circuit work of connecting in parallel at its electrode both ends this moment, carry out the short circuit with this unit lithium cell, and by short circuit protection as the unit lithium cell, signal indication lamp just can demonstrate different operating condition.
The utility model has the advantages of simple structure, convenient use, good use effect and the like.
Drawings
FIG. 1 is a schematic structural view of the present invention;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present invention provides a charging voltage control protection device for seven strings of lithium batteries, including: the lithium battery pack comprises unit lithium batteries, a control single chip microcomputer and a signal indicator light, wherein the unit lithium batteries are connected in series through connecting parts, the control single chip microcomputer is a general programmable integrated circuit and is provided with seven electrode connecting ends, a power supply access end and a public grounding end, the electrode connecting ends are sequentially and correspondingly connected to the anodes of the unit lithium batteries, the power supply access end is connected with the anode of the outermost unit lithium battery, the public grounding end is connected with the cathode of the outermost unit lithium battery, one end of the signal indicator light is connected to the public grounding end, the other end of the signal indicator light is connected to the anode of the outermost unit lithium battery, a high-precision detection circuit and a short-circuit protection circuit are arranged in the control single chip microcomputer, and a high-precision detection circuit and a short-circuit protection circuit are connected between two adjacent electrode connecting ends in parallel.
Furthermore, a main circuit protection resistor is connected in series with the unit lithium battery.
Furthermore, the electrode connecting end is provided with a shunt protection resistor, and the electrode connecting end is provided with a grounding capacitor.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a seven cluster lithium cell charging voltage control protection device which characterized in that includes: the lithium battery pack comprises unit lithium batteries, a control single chip microcomputer and a signal indicator light, wherein the unit lithium batteries are connected in series through connecting parts, the control single chip microcomputer is a general programmable integrated circuit and is provided with seven electrode connecting ends, a power supply access end and a public grounding end, the electrode connecting ends are sequentially and correspondingly connected to the anodes of the unit lithium batteries, the power supply access end is connected with the anode of the outermost unit lithium battery, the public grounding end is connected with the cathode of the outermost unit lithium battery, one end of the signal indicator light is connected to the public grounding end, the other end of the signal indicator light is connected to the anode of the outermost unit lithium battery, a high-precision detection circuit and a short-circuit protection circuit are arranged in the control single chip microcomputer, and a high-precision detection circuit and a short-circuit protection circuit are connected between two adjacent electrode connecting ends in parallel.
2. The protection device of claim 1, wherein a main circuit protection resistor is connected in series with the unit lithium batteries.
3. The protection device of claim 1, wherein the electrode connection terminal is provided with a shunt protection resistor, and the electrode connection terminal is provided with a grounding capacitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023049336.7U CN214850516U (en) | 2020-12-17 | 2020-12-17 | Charging voltage control protection device for seven strings of lithium batteries |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023049336.7U CN214850516U (en) | 2020-12-17 | 2020-12-17 | Charging voltage control protection device for seven strings of lithium batteries |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214850516U true CN214850516U (en) | 2021-11-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023049336.7U Active CN214850516U (en) | 2020-12-17 | 2020-12-17 | Charging voltage control protection device for seven strings of lithium batteries |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214850516U (en) |
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2020
- 2020-12-17 CN CN202023049336.7U patent/CN214850516U/en active Active
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