CN220209993U - Battery management module based on separation components and parts - Google Patents
Battery management module based on separation components and parts Download PDFInfo
- Publication number
- CN220209993U CN220209993U CN202321560891.7U CN202321560891U CN220209993U CN 220209993 U CN220209993 U CN 220209993U CN 202321560891 U CN202321560891 U CN 202321560891U CN 220209993 U CN220209993 U CN 220209993U
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- Prior art keywords
- resistor
- power supply
- diode
- lithium battery
- power
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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.)
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Links
- 238000000926 separation method Methods 0.000 title abstract description 13
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 75
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 71
- 238000007599 discharging Methods 0.000 claims abstract description 20
- 101150070189 CIN3 gene Proteins 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 6
- MKGHDZIEKZPBCZ-ULQPCXBYSA-N methyl (2s,3s,4r,5r,6r)-4,5,6-trihydroxy-3-methoxyoxane-2-carboxylate Chemical compound CO[C@H]1[C@H](O)[C@@H](O)[C@H](O)O[C@@H]1C(=O)OC MKGHDZIEKZPBCZ-ULQPCXBYSA-N 0.000 claims 8
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The utility model relates to a battery management module based on a separation component, which comprises a power panel, a DC12V power supply, a lithium battery, power supply equipment and a main control MCU; in a charging mode, the main control MCU is used for conducting a DC12V power supply, a power panel and a lithium battery, and controlling the DC12V power supply to charge the lithium battery through the power panel; in a discharging mode, the main control MCU conducts the lithium battery, the power panel and the power supply equipment, and controls the lithium battery to supply power to the power supply equipment through the power panel; in a one-key switch mode, the DC12V power supply is disconnected from the power panel, and the main control MCU controls the lithium battery to supply power and/or cut off power to the power supply equipment through the power panel. The utility model realizes the power supply of the power supply equipment by the DC12V power supply, the charge and discharge of the lithium battery and the one-key on-off of the main control MCU, simplifies the whole circuit and saves the equipment cost.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery management module based on separation components.
Background
Lithium batteries are a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium batteries can be broadly divided into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The lithium metal battery of the fifth generation product of the rechargeable battery is born in 1996, and the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the lithium metal battery are all superior to those of the lithium ion battery.
In the prior art, the charging and discharging of the lithium battery and the switching on and switching off of the lithium battery are often independently completed by a plurality of independent systems, and a user needs to complete corresponding operation by switching among the independent systems, so that the operation is very complex.
Disclosure of Invention
Aiming at the technical problems in the prior art, the utility model provides a battery management module based on a separation component, which simplifies the whole circuit, solves the problem that the charging and discharging of the traditional lithium battery and the switching on and switching off of the traditional lithium battery are distributed in an independent system, and saves the equipment cost.
The technical scheme for solving the technical problems is as follows:
the battery management module based on the separation components comprises a power panel 1, a DC12V power supply 2, a lithium battery 3, a power supply device 4 and a main control MCU5, wherein the power panel 1 is respectively connected with the DC12V power supply 2, the lithium battery 3, the power supply device 4 and the main control MCU 5;
in a charging mode, the main control MCU5 conducts the DC12V power supply 2, the power panel 1 and the lithium battery 3, and controls the DC12V power supply 2 to charge the lithium battery 3 through the power panel 1;
in a discharging mode, the main control MCU5 conducts the lithium battery 3, the power panel 1 and the power supply equipment 4 and controls the lithium battery 3 to supply power to the power supply equipment 4 through the power panel 1;
in a one-key switch mode, the DC12V power supply 2 is disconnected from the power panel 1, and the main control MCU5 controls the lithium battery 3 to supply and/or cut off power to the power supply device 4 through the power panel 1.
On the basis of the technical scheme, the utility model can be improved as follows.
Preferably, the power panel 1 includes: a charging circuit 10, a discharging circuit 11, and a switching circuit 12;
the charging circuit 10 is used for charging the lithium battery 3 by the DC12V power supply 2;
the discharging circuit 11 is used for supplying power to the power supply equipment 4 by the lithium battery 3;
the switch circuit 12 is configured to control, when the DC12V power supply 2 is disconnected from the power board 1, the main control MCU5 to power the lithium battery 3 and/or disconnect power from the power supply device 4.
Preferably, the charging circuit 10 includes: diode D1, resistor R2, MOS transistor Q1, MOS transistor Q2, resistor R3, resistor R6, resistor R7, diode D4, diode D3, MOS transistor Q5, resistor R10 and resistor R12;
the DC12V power supply 2 is respectively connected with the positive electrode of the diode D1, the source electrode of the MOS tube Q1 and one end of the resistor R2, the negative electrode of the diode D1 is connected with the lithium battery 3 through the resistor R1, the drain electrode of the MOS tube Q1 is connected with the drain electrode of the MOS tube Q2, the source electrode of the MOS tube Q2 is connected with the lithium battery 3, the other end of the resistor R2 and the grid electrode of the MOS tube Q1 sequentially pass through the resistor R6, the positive electrode of the diode D4 and the negative electrode of the diode D4 and are connected with the source electrode of the MOS tube Q5, the grid electrode of the MOS tube Q2 is connected with the lithium battery 3 through the resistor R3, the positive electrode of the diode D3 and the negative electrode of the MOS tube Q5 are sequentially connected with the source electrode of the MOS tube Q5, the drain electrode of the MOS tube Q5 and one end of the resistor R12 are commonly grounded, and the other end of the resistor R12 and the grid electrode of the MOS tube Q2 are connected with the MCU 10 through the resistor R5.
Preferably, the discharging circuit 11 includes: resistor R4, diode TVS1, capacitor C1, resistor R5, MOS transistor Q3, diode D5, resistor R8, MOS transistor Q4, resistor R11 and resistor R13;
the lithium battery 3 is connected with a source electrode of the MOS tube Q3, the lithium battery 3 is respectively connected with a grid electrode of the MOS tube Q3 and one end of a resistor R8 through a resistor R4, a diode TVS1, a capacitor C1 and a resistor R5, a drain electrode of the MOS tube Q3 is sequentially connected with the power supply equipment 4 through an anode and a cathode of the diode D5, the other end of the resistor R8 is connected with a source electrode of the MOS tube Q4, a drain electrode of the MOS tube Q4 is commonly grounded with one end of the resistor R13, and a grid electrode of the MOS tube Q4 is connected with an ON pin of the master control MCU5 through a resistor R11.
Preferably, the switching circuit 12 includes: resistor R9, diode D6 and diode D7;
the CIN3 pin of the main control MCU5 is connected with the positive electrode of the diode D6, the negative electrode of the diode D6, the positive electrode of the diode D7 and one end of the resistor R9 are jointly connected to the grid electrode of the MOS tube Q3, the other end of the resistor R9 is connected to the ON/OFF pin of the main control MCU5, and the negative electrode of the diode D7 is empty.
Preferably, the model of the master control MCU5 is STM32L010K4T6.
Preferably, the charging circuit 10 further includes: a diode D2;
the DC12V power supply 2 is connected with the power supply device 4 sequentially through the anode and the cathode of the diode D2.
The beneficial effects of the utility model are as follows: according to the battery management module based on the separation component, the charging circuit, the discharging circuit and the switching circuit are integrated into one battery management module, so that the DC12V power supply is used for supplying power to power supply equipment, the lithium battery is charged and discharged, and the main control MCU is used for switching on and switching off the battery through one key, so that the whole circuit is simplified, and the equipment cost is saved.
Drawings
FIG. 1 is a block diagram of the overall principle of the utility model;
FIG. 2 is a block diagram of the overall circuit of the present utility model;
FIG. 3 is a schematic view of the interface of the connecting element CN1 according to the present utility model;
FIG. 4 is a schematic view of the CN2 interface of the connector of the present utility model;
FIG. 5 is a schematic view of the CN3 interface of the connector of the present utility model;
FIG. 6 is a schematic view of the CN4 interface of the connector of the present utility model;
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The embodiment provides a battery management module based on separation components, as shown in a schematic block diagram of fig. 1, the battery management module based on separation components comprises a power panel, a DC12V power supply, a lithium battery, power supply equipment and a main control MCU, wherein the power panel is respectively connected with the DC12V power supply, the lithium battery, the power supply equipment and the main control MCU.
In the battery management module based on the separation component in the embodiment, the DC12V power supply can be used for charging the lithium battery independently and can also be used for directly supplying power to the power supply equipment, and in the charging mode, the main control MCU conducts the DC12V power supply, the power panel and the lithium battery and controls the DC12V power supply to charge the lithium battery through the power panel; in a discharging mode, the main control MCU conducts the lithium battery, the power panel and the power supply equipment and controls the lithium battery to supply power to the power supply equipment through the power panel; in a one-key switch mode, the DC12V power supply is disconnected from the power panel, and the main control MCU controls the lithium battery to supply power and/or cut off power to the power supply equipment through the power panel. According to the battery management module based on the separation component, the charging circuit, the discharging circuit and the switching circuit are integrated into one battery management module, so that the DC12V power supply is used for supplying power to power supply equipment, the lithium battery is charged and discharged, and the main control MCU is used for switching on and switching off the battery through one key, so that the whole circuit is simplified, and the equipment cost is saved.
On the basis of the technical scheme, the utility model can be improved as follows.
As shown in fig. 1 and 2, the power panel of the present utility model includes a charging circuit, a discharging circuit, and a switching circuit; the charging circuit is used for charging the lithium battery by the DC12V power supply; the discharging circuit is used for supplying power to the power supply equipment by the lithium battery; and the switching circuit is used for controlling the lithium battery to supply power and/or cut off power to the power supply equipment by the main control MCU when the DC12V power supply is disconnected with the power panel.
Further, the charging circuit includes: diode D1, resistor R2, MOS transistor Q1, MOS transistor Q2, resistor R3, resistor R6, resistor R7, diode D4, diode D3, MOS transistor Q5, resistor R10 and resistor R12;
the DC12V power supply is respectively connected with the positive electrode of the diode D1, the source electrode of the MOS tube Q1 and one end of the resistor R2, the negative electrode of the diode D1 is connected with the lithium battery through the resistor R1, the drain electrode of the MOS tube Q1 is connected with the drain electrode of the MOS tube Q2, the source electrode of the MOS tube Q2 is connected with the lithium battery, the other end of the resistor R2 and the grid electrode of the MOS tube Q1 sequentially pass through the resistor R6, the positive electrode of the diode D4 and the negative electrode of the diode D4 and are connected with the source electrode of the MOS tube Q5, the grid electrode of the MOS tube Q2 is connected with the lithium battery through the resistor R3, the positive electrode of the diode D3 and the negative electrode of the MOS tube Q3 are sequentially connected with the source electrode of the MOS tube Q5, the drain electrode of the MOS tube Q5 and one end of the resistor R12 are commonly grounded, and the other end of the resistor R12 and the grid electrode of the MOS tube Q2 are sequentially connected with the MCU through the resistor R10 and the MCU TT 10.
Further, the charging circuit further includes: a diode D2; the DC12V power supply is connected with the power supply equipment sequentially through the anode and the cathode of the diode D2.
In a specific implementation, when stopping charging, the network flag batt_on is set low, Q5 is turned off, at which point Q1, Q2 are turned off, and 12V stops charging the battery VIN. At this time, the charging current of D1 and R1 is trickle charging current, and the current is 11mA. When charging is started, the network reference numeral batt_on is set high (PWM control charging current), the GS voltage of Q5 is 3.3v, Q5 is turned ON, the cathodes of D3, D4 are low, the anodes of D3, D4 are low, the GS of Q1, Q2 is-12 v, Q1, Q2 are turned ON, and +12 starts to charge the battery VIN. When the network reference numeral batt_on is PWM, a control current charge is formed. Why Q1, Q2 are connected IN series IN this circuit is not a MOS transistor, because when Q1, Q2 are off, if there is only one MOS transistor Q1, the battery V_IN will be back-filled to +12V.
Further, the discharging circuit includes: resistor R4, diode TVS1, capacitor C1, resistor R5, MOS transistor Q3, diode D5, resistor R8, MOS transistor Q4, resistor R11 and resistor R13;
the lithium battery is connected with the source electrode of the MOS tube Q3, the lithium battery is respectively connected with the grid electrode of the MOS tube Q3 and one end of a resistor R8 through a resistor R4, a diode TVS1, a capacitor C1 and a resistor R5, the drain electrode of the MOS tube Q3 is sequentially connected with the power supply equipment through the positive electrode and the negative electrode of a diode D5, the other end of the resistor R8 is connected with the source electrode of the MOS tube Q4, the drain electrode of the MOS tube Q4 is commonly grounded with one end of a resistor R13, and the grid electrode of the MOS tube Q4 is connected with the other end of the resistor R13 through a resistor R11 and the ON pin of the main control MCU.
In a specific implementation, when the network reference number ON is set high, the GS voltage of the MOS transistor Q4 is 3.3v, the MOS is turned ON, at this time, the GS voltage of the MOS transistor Q3 is-12 v, Q3 is turned ON, and the battery voltage is output to the power supply device vin_dc through D5. When the network label ON is set low, the MOS transistor Q4 is closed, at the moment, the MOS transistor Q3 is closed, and the battery stops supplying power to the power supply equipment. When +12 and V_IN are present at the same time, a high voltage +12 is output due to the actions of D2 and D5.
Further, the switching circuit includes: resistor R9, diode D6 and diode D7;
the CIN3 pin of the main control MCU is connected with the positive electrode of the diode D6, the negative electrode of the diode D6, the positive electrode of the diode D7 and one end of the resistor R9 are jointly connected to the grid electrode of the MOS tube Q3, the other end of the resistor R9 is connected to the ON/OFF pin of the main control MCU5, and the negative electrode of the diode D7 is empty.
Further, the model of the master control MCU is STM32L010K4T6.
In a specific implementation, the switching circuit of the present embodiment is only powered by a pure battery, i.e. no +12 power supply. When the power-ON is started, when the key is pressed down in a short time, namely the ON/OFF is grounded, the GS voltage of the MOS tube Q3 is-12V, and the MOS tube Q3 is conducted. At this time, the network label CIN3 detects a low level through D6, the MCU of CIN3 is pulled up by 3.3V by default, at this time, the MCU detects a short press of a key, the network label ON is kept high, and the battery supplies power to the power supply equipment as described above with reference to the discharging circuit. When the power is turned off, the MCU detects the long-time press of the key through the D6, and at the moment, the MCU keeps the network label at the ON low level, and the battery stops supplying power to the power supply equipment.
As shown in fig. 3, 4, 5 and 6, the battery management module based on the separation component of the present embodiment further includes connectors CN1, CN2, CN3 and CN4, where CN1, CN2, CN3 and CN4 are respectively connected to DC12V, a power supply device, a lithium battery and a main control MCU. Wherein the definition of the pins CN4 is respectively 2 pins ON/OFF connected with a key, a key is controlled to be turned ON or turned OFF, 3 pins BATT_ON connected with an MCU, the charging function of a battery is controlled, 4 pins ON connected with the MCU, the discharging function of the battery is controlled, 5 pins CIN3 connected with the MCU, and the key state is detected.
Working principle:
the battery management module based on the separation component provided by the embodiment comprises a power panel, a DC12V power supply, a lithium battery, power supply equipment and a main control MCU, wherein the power panel is respectively connected with the DC12V power supply, the lithium battery, the power supply equipment and the main control MCU; in a charging mode, the main control MCU is used for conducting a DC12V power supply, a power panel and a lithium battery, and controlling the DC12V power supply to charge the lithium battery through the power panel; in a discharging mode, the main control MCU conducts the lithium battery, the power panel and the power supply equipment, and controls the lithium battery to supply power to the power supply equipment through the power panel; in a one-key switch mode, the DC12V power supply is disconnected from the power panel, and the main control MCU controls the lithium battery to supply power and/or cut off power to the power supply equipment through the power panel. The utility model realizes the power supply of the power supply equipment by the DC12V power supply, the charge and discharge of the lithium battery and the one-key on-off of the main control MCU, simplifies the whole circuit and is worth popularizing.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
Claims (7)
1. A battery management module based on discrete components, comprising: the power supply board (1), a DC12V power supply (2), a lithium battery (3), a power supply device (4) and a main control MCU (5), wherein the power supply board (1) is respectively connected with the DC12V power supply (2), the lithium battery (3), the power supply device (4) and the main control MCU (5);
in a charging mode, the main control MCU (5) conducts the DC12V power supply (2), the power panel (1) and the lithium battery (3) and controls the DC12V power supply (2) to charge the lithium battery (3) through the power panel (1);
in a discharging mode, the main control MCU (5) conducts the lithium battery (3), the power panel (1) and the power supply equipment (4) and controls the lithium battery (3) to supply power to the power supply equipment (4) through the power panel (1);
in a one-key switch mode, the DC12V power supply (2) is disconnected from the power panel (1), and the main control MCU (5) controls the lithium battery (3) to supply power and/or cut off power to the power supply equipment (4) through the power panel (1).
2. The battery management module based on separate components according to claim 1, wherein the power panel (1) comprises: a charging circuit (10), a discharging circuit (11) and a switching circuit (12);
-said charging circuit (10) for charging said lithium battery (3) by said DC12V power supply (2);
the discharging circuit (11) is used for supplying power to the power supply equipment (4) by the lithium battery (3);
the switching circuit (12) is used for controlling the lithium battery (3) to supply power and/or cut off power to the power supply equipment (4) by the main control MCU (5) when the DC12V power supply (2) is disconnected from the power panel (1).
3. The battery management module based on separate components according to claim 2, wherein the charging circuit (10) comprises: diode D1, resistor R2, MOS transistor Q1, MOS transistor Q2, resistor R3, resistor R6, resistor R7, diode D4, diode D3, MOS transistor Q5, resistor R10 and resistor R12;
the DC12V power supply (2) is respectively connected with the positive electrode of the diode D1, the source electrode of the MOS tube Q1 and one end of the resistor R2, the negative electrode of the diode D1 is connected with the lithium battery (3) through the resistor R1, the drain electrode of the MOS tube Q1 is connected with the drain electrode of the MOS tube Q2, the source electrode of the MOS tube Q2 is connected with the lithium battery (3), the other end of the resistor R2 and the grid electrode of the MOS tube Q1 sequentially pass through the resistor R6, the positive electrode of the diode D4 and the negative electrode of the diode D4 are connected with the source electrode of the MOS tube Q5, the grid electrode of the MOS tube Q2 is connected with the lithium battery (3) through the resistor R3, the positive electrode of the diode D3 and the negative electrode of the MOS tube Q5 are sequentially connected, the drain electrode of the MOS tube Q5 and one end of the resistor R12 are commonly connected with the ground, and the other end of the MOS tube Q5 is connected with the drain electrode of the MCU (MCU) through the resistor R12 and the resistor R10.
4. The battery management module based on discrete components according to claim 2, wherein the discharging circuit (11) comprises: resistor R4, diode TVS1, capacitor C1, resistor R5, MOS transistor Q3, diode D5, resistor R8, MOS transistor Q4, resistor R11 and resistor R13;
the lithium battery (3) is connected with a source electrode of the MOS tube Q3, the lithium battery (3) is respectively connected with a grid electrode of the MOS tube Q3 and one end of a resistor R8 through a resistor R4, a diode TVS1, a capacitor C1 and the resistor R5, a drain electrode of the MOS tube Q3 is sequentially connected with the power supply device (4) through an anode and a cathode of the diode D5, the other end of the resistor R8 is connected with a source electrode of the MOS tube Q4, a drain electrode of the MOS tube Q4 is commonly grounded with one end of the resistor R13, and a grid electrode of the MOS tube Q4 is connected with an ON pin of the main control MCU (5) through a resistor R11.
5. The discrete component based battery management module of claim 4, wherein the switching circuit (12) comprises: resistor R9, diode D6 and diode D7;
CIN3 pin of master control MCU (5) with the positive pole of diode D6 is connected, the negative pole of diode D6, the positive pole of diode D7 and one end of resistance R9 inserts jointly to MOS pipe Q3's grid, the other end of resistance R9 inserts master control MCU 5's ON/OFF pin, the negative pole of diode D7 is empty.
6. The battery management module based on the separated components according to claim 1, wherein the model of the main control MCU (5) is STM32L010K4T6.
7. A battery management module based on separate components according to claim 3, wherein the charging circuit (10) further comprises: a diode D2;
the DC12V power supply (2) is connected with the power supply equipment (4) sequentially through the anode and the cathode of the diode D2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560891.7U CN220209993U (en) | 2023-06-18 | 2023-06-18 | Battery management module based on separation components and parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321560891.7U CN220209993U (en) | 2023-06-18 | 2023-06-18 | Battery management module based on separation components and parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209993U true CN220209993U (en) | 2023-12-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321560891.7U Active CN220209993U (en) | 2023-06-18 | 2023-06-18 | Battery management module based on separation components and parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209993U (en) |
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2023
- 2023-06-18 CN CN202321560891.7U patent/CN220209993U/en active Active
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