CN214083947U - Battery power consumption management module and vehicle - Google Patents
Battery power consumption management module and vehicle Download PDFInfo
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- CN214083947U CN214083947U CN202120014373.XU CN202120014373U CN214083947U CN 214083947 U CN214083947 U CN 214083947U CN 202120014373 U CN202120014373 U CN 202120014373U CN 214083947 U CN214083947 U CN 214083947U
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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Abstract
The utility model relates to an electron field specifically discloses a battery power consumption management circuit includes master control circuit, communication circuit and switch circuit, and master control circuit output battery mode switching instruction gives communication circuit, communication circuit gives switch circuit according to received instruction output signal of telecommunication, and switch circuit is right battery mode switches, does not need the during operation when circuit module, controls the battery dormancy to save the electric energy, when the circuit needs the during operation, awaken up the battery power supply, solved among the prior art battery live time weak point, need the problem of frequent charging, the utility model discloses can prolong the live time of battery, save the power consumption cost.
Description
Technical Field
The utility model relates to an automotive electronics field, concretely relates to battery power consumption management module.
Background
Behind the current good development of economy, the automobile industry has an indispensable role for the happy economy, the obvious advantage of promoting the rapid development of related industries becomes an important tool for the happy economy, and the new energy automobile in the automobile industry has a non-popular advantage in the aspect of green travel compared with a fuel automobile, but is not optimistic in the current market, and the main reason is that users worry about that the battery has short service time and needs to be charged more frequently.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve among the prior art battery live time short, need comparatively frequent problem of charging, provide a battery consumption management module.
The utility model adopts the technical proposal that:
a battery power management module, the power management module configured to switch a battery operating mode, the power management module comprising:
the main control circuit outputs a battery working mode switching instruction to the communication circuit;
a communication circuit that outputs an electrical signal to the switching circuit according to the received instruction;
a switching circuit that switches the battery operating mode.
Further, the communication circuit comprises a communication chip, the working modes of the communication chip comprise a normal wake-up mode, a sleep working mode and a preparation mode, and when the communication chip is in the normal wake-up mode, the INH end of the communication chip outputs a high level; when the communication chip is in a sleep mode, the INH end of the communication chip outputs a low level; and when the communication chip is in the wake-up mode, the INH end of the communication chip outputs high level.
Further, when the INH end of the communication chip outputs a high level, the switch circuit controls the battery to work normally and supplies power to the circuit module; when the INH end of the communication chip outputs low level, the switch circuit controls the battery to work in a dormant state, and the battery only supplies power for the communication chip at the moment.
Furthermore, the battery power consumption management module further comprises a hard-line WAKE-up circuit, the hard-line WAKE-up circuit comprises at least one diode, the cathode of the diode is connected with the base of a triode Q9 through a resistor R50, the collector of the triode Q9 is connected with a power supply through a resistor R51, the collector of the triode Q9 is connected with the WAKE-N end of the communication chip, and the emitter of the triode Q9 is grounded.
Further, when the output of the hard-line wake-up circuit is at a high level, the communication circuit operates in a wake-up mode.
Furthermore, when the instruction of the main control circuit is not received within the fixed time, the battery automatically carries out the sleep mode.
The utility model discloses a solve among the prior art battery live time short, need comparatively frequent problem of charging, provide a vehicle.
The vehicle comprises the battery power consumption management module, and is characterized in that the main control circuit is configured as a vehicle BCM system
Compared with the prior art, the utility model discloses an intentional effect:
1. the utility model provides a battery power consumption management circuit includes master control circuit, communication circuit and switch circuit, and master control circuit output battery mode switching instruction gives communication circuit, communication circuit outputs the signal of telecommunication for switch circuit according to received instruction, and switch circuit is right battery mode switches, when circuit module need not work, controls the battery dormancy to save the electric energy, when the circuit needs work, awakens the battery power supply, has solved the battery live time short among the prior art, the problem that needs frequent charging, the utility model discloses can prolong the live time of battery, save the power consumption cost;
2. the utility model provides a battery power consumption management circuit still includes the hardwire awakening circuit, and when communication line became invalid or did not receive the master control circuit signal, the hardwire awakening circuit stayed the design as being equipped with, and the another kind battery awakening mode that provides for the user improves the utility model discloses a security.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic block diagram of a battery power consumption management module according to an embodiment of the present invention;
fig. 2 is a circuit diagram of a communication circuit according to an embodiment of the present invention;
fig. 3 is a circuit diagram of a switching circuit according to an embodiment of the present invention;
fig. 4 is a circuit diagram of a hard-wired wake-up circuit according to an embodiment 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 shows a battery power consumption management module, which is used for switching battery working modes, and includes a main control circuit, a communication circuit and a switch circuit, wherein the main control circuit outputs a battery working mode switching instruction to the communication circuit, the communication circuit outputs an electric signal to the switch circuit according to the received instruction, and the switch circuit switches the battery working modes.
It should be noted that, when circuit module does not need the during operation, control battery dormancy to save the electric energy, when the circuit needs the during operation, awaken up the battery power supply, solve among the prior art battery live time short, need the problem of frequent charging, the utility model discloses can prolong the live time of battery, sparingly use the power cost.
Further, as shown in fig. 2, the communication circuit includes a communication chip, the signal adopted by the communication chip is TJA1021T, the operation mode of the communication chip includes a normal wake-up mode, a sleep operation mode and a preparation mode, and when the communication chip is in the normal wake-up mode, the INH terminal of the communication chip outputs a high level; when the communication chip is in a sleep mode, the INH end of the communication chip outputs a low level; and when the communication chip is in the wake-up mode, the INH end of the communication chip outputs high level.
Specifically, as shown in fig. 2, after the chip is powered on, the communication chip first enters a normal WAKE-up mode, the INH pin is at a high level, the terminal resistance is 30k Ω, the data transmission capability of the transceiver pin is both present, the normal WAKE-up mode can be switched to a sleep mode, the switching condition is that the low-level time of the SLP _ N pin exceeds a set time threshold, at this time, the chip enters the sleep mode, the INH pin is at a low level, the terminal presents a high-resistance state, the transceiver pin is turned off, the entire circuit is powered off by the INH low level in the sleep mode, so as to achieve the purpose of low power consumption, the sleep mode can be switched to both the normal WAKE-up mode and the standby mode, the high-level time of the SLP _ N pin exceeds the set time threshold, so as to be directly switched to the normal WAKE-up mode, and enter the standby mode from the sleep mode, it is necessary for WAKE _ N to obtain a pulse-down change, or a rising edge pulse of the LIN pin changes, the INH pin is in a high level in the state, the condition can be taken as a means for waking up the chip by a hard wire under the consideration of functional safety, and after the chip enters a sleep mode, the hard wire outputs a falling edge pulse to the WAKE _ N pin so as to achieve the purpose of waking up the chip by the hard wire.
Further, when the INH end of the communication chip outputs a high level, the switch circuit controls the battery to work normally and supplies power to the circuit module; when the INH end of the communication chip outputs low level, the switch circuit controls the battery to work in a dormant state, and the battery only supplies power for the communication chip at the moment.
Specifically, as shown in fig. 3, the switching circuit provided in this embodiment utilizes the on-off of the switching tube Q3 to implement the operation after the high-low level of the INH pin of the communication chip is changed, the INH is high level in the normal awake state, the Q11 is turned on, the Q2 is further turned on, the whole circuit forms a path, the INH is low level in the sleep state, the Q2 is turned off, at this time, only the communication chip is in operation, and the power consumption in this state is very low.
Further, the battery power consumption management module further includes a hard-wired WAKE-up circuit, as shown in fig. 4, the hard-wired WAKE-up circuit includes at least one diode, a cathode of the diode is connected to a base of the transistor Q9 through a resistor R50, a collector of the transistor Q9 is connected to a power supply through a resistor R51, a collector and an emitter of the transistor Q9 are connected to a WAKE-N terminal of the communication chip, and an emitter of the transistor Q9 is grounded.
Specifically, the hard-line wake-up circuit provided in this embodiment includes three diode groups, the diodes are isolated from each other, and as long as a hard-line signal comes, the transistor Q9 is turned on, so that the WANE _ N changes from high to low, and a falling edge is obtained, which directly triggers a wake-up condition of the communication chip, so that the chip is woken up by the hard-line high-level signal in a sleep state.
Furthermore, when the instruction of the main control circuit is not received within the fixed time, the battery automatically carries out the sleep mode.
A vehicle comprises the battery power consumption management module, and is characterized in that the main control circuit is configured as a vehicle BCM system.
To sum up, the utility model provides a battery power consumption management module passes through master control circuit output battery mode switching instruction and gives communication circuit, communication circuit gives switch circuit according to received instruction output signal of telecommunication, and switch circuit is right battery mode switches, does not need the during operation when circuit module, and control battery dormancy to save the electric energy, when the circuit needs the during operation, awaken up the battery power supply, solved among the prior art battery live time weak point, the problem that needs frequently charge, the utility model discloses can prolong the live time of battery, save the power consumption cost.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.
Claims (7)
1. A battery power consumption management module, wherein the power consumption management module is configured to switch a battery operating mode, and the power consumption management module comprises:
the main control circuit outputs a battery working mode switching instruction to the communication circuit;
a communication circuit that outputs an electrical signal to the switching circuit according to the received instruction;
a switching circuit that switches the battery operating mode.
2. The battery power consumption management module of claim 1, wherein the communication circuit comprises a communication chip, the operation modes of the communication chip comprise a normal wake-up mode, a sleep operation mode and a preparation mode, and when the communication chip is in the normal wake-up mode, the INH terminal of the communication chip outputs a high level; when the communication chip is in a sleep mode, the INH end of the communication chip outputs a low level; and when the communication chip is in the wake-up mode, the INH end of the communication chip outputs high level.
3. The battery power consumption management module of claim 2, wherein when the INH terminal of the communication chip outputs a high level, the switch circuit controls the battery to operate normally to supply power to the circuit module; when the INH end of the communication chip outputs low level, the switch circuit controls the battery to work in a dormant state, and the battery only supplies power for the communication chip at the moment.
4. The battery power management module of claim 2, further comprising a hard-line WAKE-up circuit, wherein the hard-line WAKE-up circuit comprises at least one diode, a cathode of the diode is connected to a base of a transistor Q9 through a resistor R50, a collector of the transistor Q9 is connected to a power supply through a resistor R51, a collector of the transistor Q9 is connected to a WAKE-N terminal of the communication chip, and an emitter of the transistor Q9 is grounded.
5. The battery power management module of claim 4, wherein the communication circuit operates in a wake mode when the hardwired wake-up circuit output is high.
6. The battery power consumption management module of claim 1, wherein the battery automatically enters the sleep mode when no command from the main control circuit is received within a certain time.
7. A vehicle comprising the battery power consumption management module of claims 1-6, wherein the master control circuit is configured as a vehicle BCM system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120014373.XU CN214083947U (en) | 2021-01-05 | 2021-01-05 | Battery power consumption management module and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120014373.XU CN214083947U (en) | 2021-01-05 | 2021-01-05 | Battery power consumption management module and vehicle |
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| CN214083947U true CN214083947U (en) | 2021-08-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991863A (en) * | 2021-11-02 | 2022-01-28 | 弘正储能(上海)能源科技有限公司 | RS485 awakening device and method of low-voltage energy storage system |
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2021
- 2021-01-05 CN CN202120014373.XU patent/CN214083947U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991863A (en) * | 2021-11-02 | 2022-01-28 | 弘正储能(上海)能源科技有限公司 | RS485 awakening device and method of low-voltage energy storage system |
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