CN212654299U - Battery control device and vehicle - Google Patents

Battery control device and vehicle Download PDF

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CN212654299U
CN212654299U CN202021836425.3U CN202021836425U CN212654299U CN 212654299 U CN212654299 U CN 212654299U CN 202021836425 U CN202021836425 U CN 202021836425U CN 212654299 U CN212654299 U CN 212654299U
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battery
module
resistor
switch
processor module
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谢锐
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Ray Tech International Ltd
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Ray Tech International Ltd
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Abstract

The utility model provides a battery control device and vehicle, battery control device include vibration detection module, processor module and switch module, wherein: the vibration detection module is used for detecting a vibration signal and sending the detected vibration signal to the processor module; the processor module is used for receiving the vibration signal sent by the vibration detection module and sending a first switch instruction to the switch module according to the vibration signal; and the switch module is used for receiving the first switch instruction sent by the processor module and switching on or off the connection between the battery and the electric equipment according to the first switch instruction. Whether the battery is about to enter the working state or is in the working state is judged by monitoring the vibration signal, so that the battery is awakened in time under the condition that the battery is detected to be about to enter the working state or is in the working state.

Description

Battery control device and vehicle
Technical Field
The utility model relates to a battery control especially relates to a battery control device and vehicle.
Background
The existing vehicle electric control system has the condition of over-discharge caused by dark current and electric leakage, and in order to solve the problem, the prior art mostly adopts a discharge protection function, so that the battery is stopped to supply power when the electric quantity of the battery is low, but the mode can cause the problem that the battery cannot be awakened in time.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at provides a battery control device and vehicle, aims at solving among the prior art problem that can not in time awaken up the battery after discharge protection.
In order to achieve the above object, the utility model provides a battery control device, battery control device includes vibration detection module, processor module and switch module, the output of vibration detection module is connected processor module vibration signal input end, the output of processor module is connected switch module's control end, switch module connects between battery and consumer, wherein:
the vibration detection module is used for detecting a vibration signal and sending the detected vibration signal to the processor module;
the processor module is used for receiving the vibration signal sent by the vibration detection module and sending a first switch instruction to the switch module according to the vibration signal;
the switch module is used for receiving a first switch instruction sent by the processor module and switching on or off the connection between the battery and the electric equipment according to the first switch instruction.
Optionally, the vibration detection module comprises a vibration sensor, a first resistor and a first capacitor,
the first end of the vibration sensor is connected with the vibration signal input end of the processor module, the first end of the vibration sensor is connected with the power supply through the first resistor, the first end of the vibration sensor is connected with the power supply through the first capacitor, and the second end of the vibration sensor is connected with the negative electrode of the battery.
Optionally, the switch module comprises at least one switch unit, each switch unit comprises a switch tube, a second resistor and a third resistor,
the control end of the switch tube is connected with the output end of the processor module through the second resistor, the input end of the switch tube is connected with the negative terminal of the electric equipment, and the output end of the switch tube is connected with the negative electrode of the battery.
Optionally, the device further comprises an electrical detection module, wherein the detection end of the electrical detection module is connected with the battery, the output end of the electrical detection module is connected with the electrical signal input end of the processor module,
the electric detection module is used for detecting electric signals and sending the electric signals obtained by detecting the battery to the processor module;
the processor module is also used for receiving the electric signal sent by the electric detection module and sending a second switch instruction to the switch module according to the received electric signal;
the switch module is further configured to receive a second switch instruction sent by the processor module, and turn on or turn off the connection between the battery and the electric device according to the second switch instruction.
Optionally, the electrical detection module includes a voltage detection unit and a current detection unit, a detection end of the voltage detection unit is connected to the battery, and an output end of the voltage detection unit is connected to a voltage signal input end of the processor module; the detection section of the current detection unit is connected with the battery, and the output end of the current detection unit is connected with the current signal input end of the processor module.
Optionally, the current detection unit comprises a fourth resistor, a fifth resistor, a sixth resistor and a second capacitor,
the first end of the fourth resistor is connected with the power supply, the second end of the fourth resistor is connected with the first current signal input end of the processor module, the second end of the fourth resistor is connected with the negative electrode of the battery through the fifth resistor, the second current signal input end of the processor module is connected with the input end of the switch tube through the sixth resistor, and the second current signal input end of the processor module is connected with the negative electrode of the battery through the second capacitor.
Optionally, the voltage detection unit comprises a seventh resistor, an eighth resistor and a third capacitor,
and the voltage signal input end of the processor module is connected with a power supply through the seventh resistor, and the voltage signal input end of the processor module is also connected with the negative electrode of the battery through the eighth resistor and the third capacitor respectively.
Optionally, the apparatus further includes a voltage regulation module, an input end of the voltage regulation module is connected to the positive electrode of the battery, and an output end of the voltage regulation module is used as a power supply output.
Optionally, the voltage regulation module comprises a voltage regulation chip, a ninth resistor, a fourth capacitor and a fifth capacitor,
the input end of the voltage stabilizing chip is connected with the battery through the ninth resistor, the input end of the voltage stabilizing chip is further connected with the negative electrode of the battery through the fourth capacitor, the output end of the voltage stabilizing chip is connected with the negative electrode of the battery through the fifth capacitor, the output end of the voltage stabilizing chip is used as power output, and the negative electrode end of the battery connected with the voltage stabilizing chip is connected with the negative electrode of the battery.
In addition, in order to achieve the above object, the present invention also provides a vehicle, which includes a battery, a consumer and a battery controller, wherein the battery controller includes the battery control device.
The utility model provides a pair of battery control device and vehicle, battery control device includes vibration detection module, processor module and switch module, the output of vibration detection module is connected processor module vibration signal input, the output of processor module is connected switch module's control end, switch module connects between battery and consumer, wherein: the vibration detection module is used for detecting a vibration signal and sending the detected vibration signal to the processor module; the processor module is used for receiving the vibration signal sent by the vibration detection module and sending a first switch instruction to the switch module according to the vibration signal; the switch module is used for receiving a first switch instruction sent by the processor module and switching on or off the connection between the battery and the electric equipment according to the first switch instruction. Whether the battery is about to enter the working state or is in the working state is judged by monitoring the vibration signal, so that the battery is awakened in time under the condition that the battery is detected to be about to enter the working state or is in the working state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a functional block diagram of an embodiment of the battery control apparatus of the present invention;
fig. 2 is a circuit diagram of an embodiment of the battery control device of the present invention;
fig. 3 is a circuit diagram of a voltage stabilizing module according to an embodiment of the present invention.
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
The reference numbers illustrate:
Figure BDA0002653153120000031
Figure BDA0002653153120000041
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
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 efforts belong to the protection scope of the present invention.
It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The utility model provides a battery control device is applied to in the vehicle, please refer to fig. 1, and fig. 1 is the utility model discloses the functional module diagram of a battery control device embodiment. In this embodiment, the battery control apparatus includes a vibration detection module 100, a processor module 200, and a switch module 300, wherein an output terminal of the vibration detection module 100 is connected to a vibration signal input terminal of the processor module 200, an output terminal of the processor module 200 is connected to a control terminal of the switch module 300, and the switch module 300 is connected between the battery and the electric device, wherein:
the vibration detection module 100 is configured to detect a vibration signal and send the detected vibration signal to the processor module 200;
the processor module 200 is configured to receive a vibration signal sent by the vibration detection module 100, and send a first switch instruction to the switch module 300 according to the vibration signal;
the switch module 300 is configured to receive a first switch instruction sent by the processor module 200, and turn on or turn off a connection between the battery and an electric device according to the first switch instruction.
This embodiment judges whether will enter operating condition or be in operating condition through monitoring vibration signal for under the condition that detects will enter operating condition or be in operating condition, in time awaken the battery.
Further, the vibration detecting module 100 includes a vibration sensor U2, a first resistor R1 and a first capacitor C1,
the first end of the vibration sensor U2 is connected with the vibration signal input end of the processor module 200, the first end of the vibration sensor U2 is connected with a power supply V5_0 through a first resistor R1, the first end of the vibration sensor U2 is also connected with a power supply V5_0 through a first capacitor C1, and the second end of the vibration sensor U2 is connected with a battery cathode B-.
The first resistor R1 is a pull-down resistor, so that the vibration signal input terminal of the processor module 200 receives a high level signal when the vibration sensor U2 does not detect vibration, and the vibration signal input terminal of the processor module 200 receives a low level signal when the vibration sensor U2 detects vibration. The first capacitor C1 acts as a decoupling. It should be noted that, different vibration detection modules 100 may be designed according to different models of the vibration sensor U2, for example, a pull-down resistor is provided, when the vibration sensor U2 does not detect vibration, the vibration signal input terminal of the processor module 200 receives a low level signal, the second terminal of the vibration sensor U2 is connected to the battery anode B +, the vibration signal input terminal of the processor module 200 receives a high level signal when the vibration sensor U2 detects vibration.
Further, the switch module 300 includes at least one switch unit, each of which includes a switch tube Q1, a second resistor R2 and a third resistor R3,
the control end of the switch tube Q1 is connected with the output end of the processor module 200 through the second resistor R2, the input end of the switch tube Q1 is connected with the negative terminal of the electric equipment, and the output end of the switch tube Q1 is connected with the battery negative B-.
The number of the switching units may be set according to battery parameters.
In this embodiment, the switching tube Q1 is an NMOS tube, the control end of the switching tube Q1 is a gate of the NMOS tube, the input end of the switching tube Q1 is a drain of the NMOS tube, and the output end of the switching tube Q1 is a source of the NMOS tube. It will be appreciated that the positive terminal of the battery is connected to the positive terminal of the consumer
Further, the device also comprises an electric detection module, the detection end of the electric detection module is connected with the battery, the output end of the electric detection module is connected with the electric signal input end of the processor module 200,
the electrical detection module is used for detecting electrical signals and sending the electrical signals obtained by detecting the battery to the processor module 200;
the processor module 200 is further configured to receive the electrical signal sent by the electrical detection module, and send a second switch instruction to the switch module 300 according to the received electrical signal;
the switch module 300 is further configured to receive a second switch instruction sent by the processor module 200, and turn on or turn off the connection between the battery and the electric device according to the second switch instruction.
Further, the electrical detection module comprises a voltage detection unit 420 and a current detection unit 410, wherein a detection end of the voltage detection unit 420 is connected with the battery, and an output end of the voltage detection unit 420 is connected with a voltage signal input end of the processor module 200; the detection section of the current detection unit 410 is connected to the battery, and the output end of the current detection unit 410 is connected to the current signal input end of the processor module 200.
It should be noted that the detection terminal of the voltage detection unit 420 may be directly connected to the battery, or connected to the output terminal of the voltage stabilization module.
Further, the current detecting unit 410 includes a fourth resistor R4, a fifth resistor R5, a sixth resistor R6 and a second capacitor C2,
the first end of the fourth resistor R4 is connected with a power supply V5_0, the second end of the fourth resistor R4 is connected with the first current signal input end of the processor module 200, the second end of the fourth resistor R4 is also connected with the negative B-of the battery through the fifth resistor R5, the second current signal input end of the processor module 200 is connected with the input end of the switch tube Q1 through the sixth resistor R6, and the second current signal input end of the processor module 200 is also connected with the negative B-of the battery through the second capacitor C2.
The first current signal input terminal and the second current signal input terminal of the processor module 200 are two input terminals of the comparator of the processor module 200, respectively.
The processor module 200 receives a current signal sent by the current detection unit 410, and judges whether a current value in the current signal is greater than a preset safe current threshold value; if the current value in the current signal is greater than the preset safe current threshold value, the processor module 200 sends a turn-off instruction to the switch module 300, so that the switch module 300 turns off the connection between the battery and the electric equipment. The embodiment disconnects the battery from the electric equipment when the short circuit is detected, so that the function of protecting the circuit can be achieved.
Further, the voltage detecting unit 420 includes a seventh resistor R7, an eighth resistor R8, and a third capacitor C3,
the voltage signal input end of the processor module 200 is connected with a power supply V5_0 through the seventh resistor R7, and the voltage signal input end of the processor module 200 is also connected with a battery cathode B-through the eighth resistor R8 and the third capacitor C3 respectively.
Further, the device also comprises a voltage stabilizing module, wherein the input end of the voltage stabilizing module is connected with the battery anode B +, and the output end of the voltage stabilizing module is used as a power supply V5_0 to be output.
Further, the voltage stabilization module comprises a voltage stabilization chip U3, a ninth resistor R9, a fourth capacitor C4 and a fifth capacitor C5,
the input end of the voltage stabilizing chip U3 is connected with the battery through the ninth resistor R9, the input end of the voltage stabilizing chip U3 is further connected with the battery cathode B through the fourth capacitor C4, the output end of the voltage stabilizing chip U3 is connected with the battery cathode B through the fifth capacitor C5, the output end of the voltage stabilizing chip U3 is used as the power supply V5_0 to be output, and the battery cathode B-end connected with the voltage stabilizing chip U3 is connected with the battery cathode B-.
Further, the processor module 200 includes a processor chip U1, a tenth resistor R10 and a sixth capacitor C6,
the A/D analog input end of the processor chip U1 is connected with the output end of the switch tube Q1 through the tenth resistor R10, and the A/D analog input end of the processor chip U1 is also connected with the battery cathode B-through the sixth capacitor C6.
The following description is made in principle with reference to fig. 2 and 3:
taking the switching tube Q1 as an NMOS tube and the electric equipment as a vehicle as an example;
in an initial state, the processor chip U1 outputs a high level to the NMOS tube, the NMOS tube is in a conducting state, the battery supplies power to the vehicle, the processor chip U1 samples vibration frequency and battery voltage in real time, when the processor chip U1 monitors that the vibration sensor U2 is in a static state, the battery voltage and the voltage of the electricity quantity to be reserved are compared, when the battery voltage is continuously lower than the voltage of the electricity quantity to be reserved for a preset time, for example, 60S, the processor chip U1 sends a low level to the NMOS tube, the NMOS tube is in a turn-off state, the power supply of the battery to the power supply device is cut off, and the purpose of reserving the electricity quantity for the battery is achieved.
After the NMOS tube is turned off, the vibration sensor U2 is continuously in a static state, and the processor chip U1 enters a dormant state, so that the power consumption of the battery is further reduced.
The vibration sensor U2 detects that any vibration sends a vibration signal to wake up the processor chip U1, the processor chip U1 detects the vibration frequency of the vibration signal, and when the vibration frequency meets the characteristics of artificial connection, such as straddling or knocking, a high-level signal is sent to the NMOS tube to conduct the NMOS tube and recover the normal power supply of the battery to the vehicle.
The utility model discloses still protect a vehicle, vehicle include battery, consumer and battery controller, battery controller includes as above battery control device, above-mentioned embodiment can be referred to this battery control device's structure, no longer gives unnecessary details here. It should be understood that, since the protection device of the present embodiment adopts the technical solution of the battery control device, the protection device has all the beneficial effects of the battery control device.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. The term "comprising", without further limitation, means that the element so defined is not excluded from the group of processes, methods, articles, or systems that include the element. The above embodiment numbers of the present invention are only for description, and do not represent the advantages and disadvantages of the embodiments.
The above is only the preferred embodiment of the present invention, and not the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings or the direct or indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims (10)

1. The utility model provides a battery control device, its characterized in that, battery control device includes vibration detection module, processor module and switch module, the output of vibration detection module is connected processor module vibration signal input end, the output of processor module is connected switch module's control end, switch module connects between battery and consumer, wherein:
the vibration detection module is used for detecting a vibration signal and sending the detected vibration signal to the processor module;
the processor module is used for receiving the vibration signal sent by the vibration detection module and sending a first switch instruction to the switch module according to the vibration signal;
the switch module is used for receiving a first switch instruction sent by the processor module and switching on or off the connection between the battery and the electric equipment according to the first switch instruction.
2. The battery control apparatus according to claim 1, wherein the vibration detection module includes a vibration sensor, a first resistor, and a first capacitor,
the first end of the vibration sensor is connected with the vibration signal input end of the processor module, the first end of the vibration sensor is connected with the power supply through the first resistor, the first end of the vibration sensor is connected with the power supply through the first capacitor, and the second end of the vibration sensor is connected with the negative electrode of the battery.
3. The battery control apparatus of claim 1, wherein the switch module comprises at least one switch unit, each switch unit comprising a switch tube, a second resistor and a third resistor,
the control end of the switch tube is connected with the output end of the processor module through the second resistor, the input end of the switch tube is connected with the negative terminal of the electric equipment, and the output end of the switch tube is connected with the negative electrode of the battery.
4. The battery control apparatus of claim 3, further comprising an electrical detection module having a detection terminal connected to the battery and an output terminal connected to an electrical signal input terminal of the processor module,
the electric detection module is used for detecting electric signals and sending the electric signals obtained by detecting the battery to the processor module;
the processor module is also used for receiving the electric signal sent by the electric detection module and sending a second switch instruction to the switch module according to the received electric signal;
the switch module is further configured to receive a second switch instruction sent by the processor module, and turn on or turn off the connection between the battery and the electric device according to the second switch instruction.
5. The battery control apparatus according to claim 4, wherein the electrical detection module comprises a voltage detection unit and a current detection unit, a detection terminal of the voltage detection unit is connected with the battery, and an output terminal of the voltage detection unit is connected with a voltage signal input terminal of the processor module; the detection section of the current detection unit is connected with the battery, and the output end of the current detection unit is connected with the current signal input end of the processor module.
6. The battery control apparatus according to claim 5, wherein the current detection unit includes a fourth resistor, a fifth resistor, a sixth resistor, and a second capacitor,
the first end of the fourth resistor is connected with the power supply, the second end of the fourth resistor is connected with the first current signal input end of the processor module, the second end of the fourth resistor is connected with the negative electrode of the battery through the fifth resistor, the second current signal input end of the processor module is connected with the input end of the switch tube through the sixth resistor, and the second current signal input end of the processor module is connected with the negative electrode of the battery through the second capacitor.
7. The battery control apparatus according to claim 5, wherein the voltage detection unit includes a seventh resistor, an eighth resistor, and a third capacitor,
and the voltage signal input end of the processor module is connected with a power supply through the seventh resistor, and the voltage signal input end of the processor module is also connected with the negative electrode of the battery through the eighth resistor and the third capacitor respectively.
8. The battery control apparatus according to any one of claims 1 to 7, further comprising a voltage stabilization module, an input terminal of the voltage stabilization module being connected to the positive electrode of the battery, and an output terminal of the voltage stabilization module being an output of the power supply.
9. The battery control apparatus according to claim 8, wherein the voltage stabilization module includes a voltage stabilization chip, a ninth resistor, a fourth capacitor, and a fifth capacitor,
the input end of the voltage stabilizing chip is connected with the battery through the ninth resistor, the input end of the voltage stabilizing chip is further connected with the negative electrode of the battery through the fourth capacitor, the output end of the voltage stabilizing chip is connected with the negative electrode of the battery through the fifth capacitor, the output end of the voltage stabilizing chip is used as power output, and the negative electrode end of the battery connected with the voltage stabilizing chip is connected with the negative electrode of the battery.
10. A vehicle comprising a battery, a consumer, and a battery controller, the battery controller comprising the battery control apparatus according to any one of claims 1 to 9.
CN202021836425.3U 2020-08-27 2020-08-27 Battery control device and vehicle Active CN212654299U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111891055A (en) * 2020-08-27 2020-11-06 深圳市锐创新科技有限公司 Battery control device and method and vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111891055A (en) * 2020-08-27 2020-11-06 深圳市锐创新科技有限公司 Battery control device and method and vehicle

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