CN216055016U

CN216055016U - Ten-string same-opening secondary protection plate

Info

Publication number: CN216055016U
Application number: CN202121711513.5U
Authority: CN
Inventors: 胡家盛
Original assignee: Yongkang Shengyi Energy Technology Co ltd
Current assignee: Yongkang Shengyi Energy Technology Co ltd
Priority date: 2021-07-26
Filing date: 2021-07-26
Publication date: 2022-03-15
Anticipated expiration: 2031-07-26

Abstract

The utility model discloses a ten-string same-opening secondary protection plate in the technical field of new energy, which comprises: a protective housing; the protection plate is arranged at the top of the battery bin and is arranged in the inner cavity of the protection shell; the protection plate is printed with a protection circuit, and the protection circuit comprises a chip U1, a chip U2, a chip U3, a chip U4, a charge-discharge positive electrode P +, a charge-discharge negative electrode P-, a cell negative electrode B-, a cell positive electrode B1, a cell positive electrode B2, a cell positive electrode B3, a cell positive electrode B4, a cell positive electrode B5, a cell positive electrode B6, a cell positive electrode B7, a cell positive electrode B8, a cell positive electrode B9 and a cell positive electrode B +, and the utility model can effectively perform overcurrent protection on the battery, prevent the aging of the battery caused by excessive instantaneous voltage, and further influence the use safety of the battery.

Description

Ten-string same-opening secondary protection plate

Technical Field

The utility model relates to the technical field of new energy, in particular to a ten-string same-opening secondary protection plate.

Background

The new energy is also called unconventional energy. Refers to various forms of energy sources other than traditional energy sources. The energy to be popularized is energy which is just developed and utilized or is actively researched, such as solar energy, geothermal energy, wind energy, ocean energy, biomass energy, nuclear fusion energy and the like.

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal is processed, stored and used. With the development of scientific technology, lithium batteries have become mainstream, and the lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable.

When the conventional lithium battery is electrified, the voltage is boosted too fast directly from the negative electrode to the positive electrode, so that the transient voltage is easily overlarge, the aging of the battery is caused, and the service life of the battery is greatly influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a ten-string same-opening secondary protection plate to solve the problem that the service life of a battery is greatly influenced because the instantaneous voltage is easily too large and the battery is aged because the voltage is boosted too fast directly from a negative electrode to a positive electrode when the conventional lithium battery provided in the background art is electrified.

In order to achieve the purpose, the utility model provides the following technical scheme: a ten-string same-opening secondary protection plate comprises:

a protective housing;

the battery bin is arranged in the inner cavity of the protective shell;

the protection board is arranged at the top of the battery bin, is arranged in the inner cavity of the protection shell and is used for executing overcurrent protection;

the top cover is arranged at the top of the protective shell, and sealing treatment is carried out between the top cover and the protective shell.

Preferably, a protection circuit is printed on the protection plate.

Preferably, the protection circuit includes a chip U1, a chip U2, a chip U3, a chip U4, a charge-discharge positive electrode P +, a charge-discharge negative electrode P-, a cell negative electrode B-, a cell positive electrode B1, a cell positive electrode B2, a cell positive electrode B3, a cell positive electrode B4, a cell positive electrode B5, a cell positive electrode B6, a cell positive electrode B7, a cell positive electrode B8, a cell positive electrode B9 and a cell positive electrode B +, the chip U1 and the chip U2 are connected in series, the chip U3 and the chip U3 are connected in series, the cell negative electrode B-is connected in series with the cell positive electrode B3, the cell positive electrode B3 is connected in series, the cell positive electrode B3 and the cell positive electrode B3 are connected in series, the cell positive electrode B8 and the cell positive electrode B9 are connected in series, the cell positive electrode B9 and the cell positive electrode B + are connected in series, one end of the cell negative electrode B-is connected to the charge-discharge negative electrode P-, the other end of the cell negative electrode B-is connected to the cell positive electrode B1, the cell positive electrode B1 is connected to the VC1 end of the chip U1 through a resistor R1 and a capacitor C1, the cell positive electrode B2 is connected to the VC2 end of the chip U1 through a resistor R2 and a capacitor C2, the cell positive electrode B3 is connected to the VC3 end of the chip U1 through a resistor R3 and a capacitor C3, the cell positive electrode B4 is connected to the cell 4 end of the chip U1 through a resistor R4 and a capacitor C4, the cell positive electrode B4 is connected to the TOV end and the TOVD end of the chip U4 through a resistor C4 and a capacitor C4, the cell positive electrode B4 is connected to the chip VC4 and the chip 4C 4 through a resistor R4 and a capacitor C4, the battery cell positive electrode B8 is connected to a VC3 end of a chip U3 through a resistor R8 and a capacitor C8, the battery cell positive electrode B9 is connected to a VC4 end of the chip U3 through a resistor R9 and a capacitor C9, one end of the battery cell positive electrode B + is connected to a VC5 end and a VCC end of the chip U3 through a resistor R9, a capacitor C9, a resistor R23 and a capacitor C23, the other end of the battery cell positive electrode B + is connected to a charge and discharge positive electrode P + through a fuse F1 and a fuse F2, the fuse F1 is connected between the battery cell positive electrode B + and the charge and discharge positive electrode P + in parallel, and the fuse F2 is connected between the battery cell positive electrode B + and the charge and discharge positive electrode P + in series.

Preferably, the protective housing comprises:

a housing;

and the humidity sensor is arranged at the bottom of the inner cavity of the shell.

Preferably, the top cover comprises:

a top cover body;

the controller is installed at the top of the inner cavity of the bottom groove of the top cover body.

Preferably, the controller includes:

a processing module;

the remote signal transmission module is connected to the processing module and is used for carrying out intermediate and remote transmission on signals;

and the alarm is connected to the processing module and used for executing sound alarm.

Compared with the prior art, the utility model has the beneficial effects that: the battery overcurrent protection device can effectively perform overcurrent protection on the battery, prevent the aging of the battery caused by the overlarge instantaneous voltage, and further influence the use safety of the battery, when the battery is electrified, the voltage sequentially passes through a battery cathode B-, a power anode B1, a power anode B2, a power anode B3, a power anode B4, a power anode B5, a power anode B6, a power anode B7, a power anode B8, a power anode B9 and a power anode B +, and the voltage sequentially increases through the battery cathode B-, the power anode B1, the power anode B2, the power anode B3, the power anode B4, the power anode B5, the power anode B6, the power anode B7, the power anode B8 and the power anode B9 until the voltage of the power anode B +, the aging of the battery caused by the overlarge instantaneous voltage can be effectively prevented, and the use safety of the battery is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a circuit diagram of a protection circuit according to the present invention;

FIG. 3 is a cross-sectional view of the protective housing of the present invention;

FIG. 4 is a cross-sectional view of the top cover of the present invention;

FIG. 5 is a block diagram illustrating the controller structure of the present invention;

FIG. 6 is a block diagram of the system of the present invention.

In the figure: 100 protective shell, 110 shell, 120 humidity sensor, 200 battery compartment, 300 protective plate, 400 top cover, 410 top cover body, 420 controller, 421 processing module, 422 remote signal transmission module, 423 alarm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

The utility model provides a ten-string same-opening secondary protection board, which can effectively perform overcurrent protection on a battery and prevent the battery from aging caused by excessive instantaneous voltage so as to influence the use safety of the battery, and please refer to fig. 1, which comprises the following steps: a protective case 100, a battery compartment 200, a protective plate 300, and a top cover 400;

referring to fig. 1 and 3, the protective housing 100 includes:

the housing 110 is a hollow housing;

the humidity sensor 120 is installed at the bottom of the inner cavity of the housing 110;

referring to fig. 1 and 3 again, the battery compartment 200 is installed in the inner cavity of the housing 110, and the bottom of the battery compartment 200 contacts with the top of the humidity sensor 120;

referring to fig. 1-2, a protection board 300 is installed on the top of the battery compartment 200, the protection board 300 is in an inner cavity of the protection housing 100 and is used for performing overcurrent protection, a protection circuit is printed on the protection board 300, the protection circuit includes a chip U1, a chip U2, a chip U3, a chip U4, a charge/discharge positive electrode P +, a charge/discharge negative electrode P-, a cell negative electrode B-, a cell positive electrode B1, a cell positive electrode B2, a cell positive electrode B3, a cell positive electrode B4, a cell positive electrode B5, a cell positive electrode B6, a cell positive electrode B7, a cell positive electrode B8, a cell positive electrode B9, and a cell positive electrode B +, a chip U1 and a chip U2 are connected in series, a chip U3 and a chip U4 are connected in series, a cell negative electrode B-and a cell positive electrode B1 are connected in series, a cell positive electrode B1 and a cell positive electrode B2 are connected in series, a cell positive electrode B2 and a cell positive electrode B3 are connected in series, a cell positive electrode B3 and a cell positive electrode B3 are connected in series, a cell positive electrode B7 and a cell positive electrode B8 are connected in series, a cell positive electrode B8 and a cell positive electrode B9 are connected in series, a cell positive electrode B9 and a cell positive electrode B + are connected in series, one end of a cell negative electrode B-is connected to a charge-discharge negative electrode P-, the other end of the cell negative electrode B-is connected to a cell positive electrode B1, a cell positive electrode B1 is connected to a VC1 end of a chip U1 through a resistor R1 and a capacitor C1, a cell positive electrode B2 is connected to a VC2 end of a chip U1 through a resistor R2 and a capacitor C2, a cell positive electrode B3 is connected to a VC1 end of the chip U1 through a resistor R3 and a capacitor C3, a cell positive electrode B1 is connected to a VC1 end of the chip U1 through a resistor R1 and a capacitor C1, a cell positive electrode B1 is connected to a TOV end and a capacitor C1 of the chip U1 through a resistor R1 and a capacitor C1, a cell positive electrode B1 is connected to a chip VC1 and a chip VC1 through a capacitor C1. A cell anode B8 is connected to a VC3 end of a chip U3 through a resistor R8 and a capacitor C8, a cell anode B9 is connected to a VC4 end of the chip U3 through a resistor R9 and a capacitor C9, one end of a cell anode B + is connected to a VC 23 end and a VCC end of the chip U3 through a resistor R9, a capacitor C9, a resistor R23 and a capacitor C23, the other end of the cell anode B + is connected to a charge-discharge anode P + through a fuse F23 and a fuse F23, the fuse F23 is connected between the cell anode B + and the charge-discharge anode P +, when the battery is powered on, the voltage must pass through a battery cathode B-, a power supply anode B23, a power supply B-B23, and a power supply anode B23, a power supply B-B23, and a power supply B-B + are connected through a power supply anode B23, and a power supply B23, and a power supply B-B + respectively, The power supply positive electrode B1, the power supply positive electrode B2, the power supply positive electrode B3, the power supply positive electrode B4, the power supply positive electrode B5, the power supply positive electrode B6, the power supply positive electrode B7, the power supply positive electrode B8 and the power supply positive electrode B9 are sequentially increased until the power supply positive electrode B +, and the gradual increase of the voltage can effectively prevent the aging of the battery caused by overlarge instantaneous voltage and ensure the use safety of the battery;

referring to fig. 1 and 3 to 6, a top cover 400 is mounted on the top of the protective housing 100, and a sealing process is performed between the top cover 400 and the protective housing 100, wherein the top cover 400 includes:

the top cover body 410 is fixedly installed on the top of the housing 110 through bolts, and sealing treatment is performed between the top cover body 410 and the housing 110;

the controller 420 is installed on the top of the bottom groove cavity of the top cap body 410, and the controller 420 includes:

the processing module 421 is electrically connected to the humidity sensor 120, when the battery is drained, the liquid flows onto the humidity sensor, so that the humidity in the inner cavity of the casing 110 is increased, and the humidity sensor 120 transmits a signal to the processing module 421;

the remote signal transmission module 422 is connected to the processing module 421 and is used for performing medium and remote transmission on a signal, after the battery leaks, the processing module 421 controls the remote signal transmission module 422 to transmit the signal to the mobile device, and the remote signal transmission module 422 is a WiFi module, a 4G communication module or a 5G communication module;

the alarm 423 is connected to the processing module 421 and is used for executing audible alarm, after the battery leaks, the processing module 421 controls the alarm 423 to be started, the alarm 423 starts to send out buzzing sound after receiving signals, attention of a user is attracted, and the alarm 423 is a patch type alarm with the specific model being SMD 8530.

While the utility model has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the utility model not be limited to the particular embodiments disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims

1. The utility model provides a ten cluster are with mouthful secondary protection boards which characterized in that: the method comprises the following steps:

a protective housing (100);

a battery compartment (200), wherein the battery compartment (200) is arranged in the inner cavity of the protective shell (100);

the protection plate (300), the protection plate (300) is installed on the top of the battery compartment (200), and the protection plate (300) is arranged in the inner cavity of the protection shell (100) and used for performing overcurrent protection;

a top cover (400), wherein the top cover (400) is arranged on the top of the protective shell (100), and a sealing treatment is carried out between the top cover (400) and the protective shell (100).

2. The ten-string same-opening secondary protection plate as claimed in claim 1, wherein: and a protection circuit is printed on the protection plate (300).

3. The ten-string same-opening secondary protection plate as claimed in claim 2, wherein: the protection circuit comprises a chip U1, a chip U2, a chip U3, a chip U4, a charge-discharge positive electrode P +, a charge-discharge negative electrode P-, a cell negative electrode B-, a cell positive electrode B1, a cell positive electrode B2, a cell positive electrode B3, a cell positive electrode B4, a cell positive electrode B5, a cell positive electrode B6, a cell positive electrode B7, a cell positive electrode B8, a cell positive electrode B9 and a cell positive electrode B +, the chip U1 and the chip U2 are connected in series, the chip U3 and the chip U3 are connected in series, the cell negative electrode B-is connected in series with the cell positive electrode B3, the cell positive electrode B3 and the cell positive electrode B3 are connected in series, the cell positive electrode B8 and the cell positive electrode B9 are connected in series, the cell positive electrode B9 and the cell positive electrode B + are connected in series, one end of the cell negative electrode B-is connected to the charge-discharge negative electrode P-, the other end of the cell negative electrode B-is connected to the cell positive electrode B1, the cell positive electrode B1 is connected to the VC1 end of the chip U1 through a resistor R1 and a capacitor C1, the cell positive electrode B2 is connected to the VC2 end of the chip U1 through a resistor R2 and a capacitor C2, the cell positive electrode B3 is connected to the VC3 end of the chip U1 through a resistor R3 and a capacitor C3, the cell positive electrode B4 is connected to the cell 4 end of the chip U1 through a resistor R4 and a capacitor C4, the cell positive electrode B4 is connected to the TOV end and the TOVD end of the chip U4 through a resistor C4 and a capacitor C4, the cell positive electrode B4 is connected to the chip VC4 and the chip 4C 4 through a resistor R4 and a capacitor C4, the battery cell positive electrode B8 is connected to a VC3 end of a chip U3 through a resistor R8 and a capacitor C8, the battery cell positive electrode B9 is connected to a VC4 end of the chip U3 through a resistor R9 and a capacitor C9, one end of the battery cell positive electrode B + is connected to a VC5 end and a VCC end of the chip U3 through a resistor R9, a capacitor C9, a resistor R23 and a capacitor C23, the other end of the battery cell positive electrode B + is connected to a charge and discharge positive electrode P + through a fuse F1 and a fuse F2, the fuse F1 is connected between the battery cell positive electrode B + and the charge and discharge positive electrode P + in parallel, and the fuse F2 is connected between the battery cell positive electrode B + and the charge and discharge positive electrode P + in series.

4. The ten-string same-opening secondary protection plate as claimed in claim 1, wherein: the protective enclosure (100) comprises:

a housing (110);

a humidity sensor (120), wherein the humidity sensor (120) is installed at the bottom of the inner cavity of the shell (110).

5. The ten-string same-opening secondary protection plate as claimed in claim 1, wherein: the top cover (400) comprises:

a cap body (410);

a controller (420), the controller (420) mounted on top of the bottom recess cavity of the cap body (410).

6. The ten-string same-opening secondary protection plate as claimed in claim 5, wherein: the controller (420) comprises:

a processing module (421);

a remote signal transmission module (422), the remote signal transmission module (422) being connected to the processing module (421) for performing intermediate and remote transmission of signals;

an alarm (423), the alarm (423) being connected to the processing module (421) for performing an audible alarm.