CN115431909A - Automobile storage battery insufficient-power protection system and automobile storage battery insufficient-power protection box - Google Patents
Automobile storage battery insufficient-power protection system and automobile storage battery insufficient-power protection box Download PDFInfo
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- CN115431909A CN115431909A CN202110614787.0A CN202110614787A CN115431909A CN 115431909 A CN115431909 A CN 115431909A CN 202110614787 A CN202110614787 A CN 202110614787A CN 115431909 A CN115431909 A CN 115431909A
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- storage battery
- battery
- electric
- automobile
- protection system
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/033—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for characterised by the use of electrical cells or batteries
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
- B60R16/03—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for
- B60R16/0307—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for supply of electrical power to vehicle subsystems or for using generators driven by a machine different from the vehicle motor
Abstract
The invention discloses a power-shortage protection system for an automobile storage battery, which comprises: the first connecting circuit comprises an electric control switch which is arranged in series, and is connected in series between a storage battery and a first electrical appliance module of the automobile; the control device is connected with the electric control switch; the control device receives the electric quantity signal of the storage battery and is used for controlling the on-off of the electric control switch, and when the electric quantity of the storage battery is reduced to be smaller than a preset electric quantity value, the control device controls the electric control switch to be switched off so as to cut off the electric connection between the storage battery and the first electrical appliance module. In the invention, when the electric quantity of the storage battery is reduced to be less than the preset electric quantity value, the control device can cut off the power supply lines between the storage battery and some electric modules in time, thereby preventing the storage battery from being lack of power.
Description
Technical Field
The invention relates to an automobile storage battery power-lack protection system and an automobile storage battery power-lack protection box.
Background
In the prior art, as the number of automobile Electronic Control Units (ECUs) is increased, the capacities of managing dormant current and managing a network are different, and the accidents of no-reason electricity loss of automobiles are increased. A protection device is needed to prevent the phenomenon of insufficient power of the storage battery.
When the automobile is parked for a long time and is not used, if the automobile body controller or the dormant current of a certain load is too large, the electric quantity of the storage battery is too low, the phenomenon of insufficient power of the storage battery occurs, and the automobile can not be ignited and started again.
Disclosure of Invention
An object of the present invention is to solve at least one of the above problems and disadvantages in the prior art.
According to one aspect of the invention, an automobile storage battery power-shortage protection system is provided, which comprises: the first connecting circuit comprises an electric control switch which is arranged in series, and is connected in series between a storage battery and a first electrical appliance module of the automobile; the control device is connected with the electric control switch; the control device receives the electric quantity signal of the storage battery and is used for controlling the on-off of the electric control switch, and when the electric quantity of the storage battery is reduced to be smaller than a preset electric quantity value, the control device controls the electric control switch to be switched off so as to cut off the electric connection between the storage battery and the first electrical appliance module.
According to an exemplary embodiment of the present invention, when the charge of the battery rises above the predetermined charge value, the control device controls the electronically controlled switch to close to make the electrical connection between the battery and the first appliance module.
According to another exemplary embodiment of the present invention, the first appliance module is allowed to be powered off when the vehicle is stopped, but is not allowed to be powered off when the vehicle is running; the first electrical module is also electrically connected to a generator of the vehicle, so that it can be normally powered by the generator of the vehicle while the vehicle is running.
According to another exemplary embodiment of the present invention, the electrically controlled switch is connected to a battery of the vehicle at one end and to: a front compartment electrical box installed in a front compartment of an automobile and having at least one electrical load; and/or a cockpit electrical box mounted in the cockpit of the vehicle and having at least one electrical load.
According to another exemplary embodiment of the present invention, the electrically controlled switch is a relay or a MOS transistor.
According to another exemplary embodiment of the present invention, the electrically controlled switch is a bistable relay.
According to another exemplary embodiment of the present invention, the control device is a micro control unit or a control circuit not comprising a micro control unit.
According to another exemplary embodiment of the present invention, the control device is adapted to communicate with a battery charge detection device for controlling the on/off of the electrically controlled switch according to the charge detected by the battery charge detection device.
According to another exemplary embodiment of the present invention, the control device communicates with the battery charge level detection device through a CAN bus or a LIN bus.
According to another exemplary embodiment of the invention, the control device is electrically connected to the battery such that it can still be supplied normally by the battery after the electrically controlled switch is switched off.
According to another exemplary embodiment of the present invention, the vehicle battery power-deficit protection system further includes: and the second connecting circuit is used for electrically connecting a second electrical module to the storage battery, so that the second electrical module can still be normally powered by the storage battery after the electric control switch is disconnected, and the second electrical module is not allowed to be powered off when the automobile stops.
According to another exemplary embodiment of the present invention, the automobile battery short-circuit protection system further includes: and the fuses are respectively connected in series between the storage battery and the electric control switch, between the storage battery and the control device and between the storage battery and the second electrical appliance module.
According to another exemplary embodiment of the present invention, the second connection circuit has one end connected to the secondary battery and the other end connected to: a network module installed in an automobile and including at least an Internet of vehicles system; and/or a smart battery sensor installed in the automobile for detecting and analyzing the state of the secondary battery.
According to another exemplary embodiment of the present invention, the control device and the electrically controlled switch are integrated on one circuit board.
According to another aspect of the present invention, there is provided an automobile battery power shortage protection case, including: a case body; and the automobile storage battery power-shortage protection system. The automobile socket is characterized in that a socket is arranged on the box body, and a plurality of connecting terminals suitable for being electrically connected with a first electrical module, a second electrical module and a storage battery of an automobile are arranged in the socket.
According to an exemplary embodiment of the present invention, the plurality of connection terminals include a first load connection terminal, a second load connection terminal, and a battery connection terminal; the electrically controlled switch is connected in series between the battery connection terminal and the first load connection terminal via a conductive line on the circuit board; the battery connection terminal is electrically connected to the control device and the second load connection terminal, respectively, via a plurality of conductive traces on the circuit board.
In the foregoing exemplary embodiments according to the present invention, when the charge of the storage battery drops below the predetermined charge value, the control device may cut off the power supply line between the storage battery and some of the electrical modules in time, so that the storage battery can be prevented from being short-circuited.
In some of the foregoing exemplary embodiments according to the present invention, some of the foregoing electric modules are also electrically connected to a generator of the automobile, so that some of the foregoing electric modules can be normally powered by the generator of the automobile while the automobile is running, which may improve the safety of the automobile.
Other objects and advantages of the present invention will become apparent from the following description of the invention which refers to the accompanying drawings, and will assist in a comprehensive understanding of the invention.
Drawings
FIG. 1 shows a schematic diagram of a battery brownout protection system according to an exemplary embodiment of the present invention;
FIG. 2 shows the battery power loss protection system of FIG. 1, showing the composition of a first appliance module;
fig. 3 shows a schematic diagram of a battery brownout protection system according to another exemplary embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further specifically described by the following embodiments and the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention and should not be construed as limiting the invention.
Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form in order to simplify the drawing.
According to one general technical concept of the present invention, there is provided an automobile battery power shortage protection system, including: the first connecting circuit comprises an electric control switch which is arranged in series, and is connected in series between a storage battery and a first electrical appliance module of the automobile; the control device is connected with the electric control switch; the control device receives the electric quantity signal of the storage battery and is used for controlling the on-off of the electric control switch, and when the electric quantity of the storage battery is reduced to be smaller than a preset electric quantity value, the control device controls the electric control switch to be switched off so as to cut off the electric connection between the storage battery and the first electrical appliance module.
FIG. 1 shows a schematic diagram of a battery brownout protection system according to an exemplary embodiment of the present invention; fig. 2 shows the battery undervoltage protection system of fig. 1, in which the composition of the first electrical module 10 is shown.
As shown in fig. 1 and 2, in the illustrated embodiment, the system for protecting the vehicle from the insufficient voltage mainly includes: a control device 1 and an electrically controlled switch 2. The electronic control switch 2 is connected in series between the battery 40 of the motor vehicle and the first electrical device module 10. The control device 1 is connected with the electric control switch 2 and is used for controlling the on-off of the electric control switch 2.
As shown in fig. 1 and 2, in an exemplary embodiment of the present invention, when the charge of the storage battery 40 falls below a predetermined charge value, the control device 1 controls the electrically controlled switch 2 to be opened to cut off the electrical connection between the storage battery 40 and the first appliance module 10. Thus, the supply of power from the battery 40 to the electrical load of the first electrical module 10 can be stopped, and the battery 40 can be prevented from being short of power.
As shown in fig. 1 and 2, in an exemplary embodiment of the present invention, the automobile battery short-circuit protection system further includes an electrical connection line for electrically connecting the battery 40 to the generator 30 of the automobile so that the battery 40 can be charged by the generator 30 while the automobile is running. Therefore, the generator 30 of the automobile can charge the battery 40 while the automobile is running. When the charge of the battery 40 rises above a predetermined charge value, the control device 1 controls the electronically controlled switch 2 to close to make the electrical connection between the battery 40 and the first appliance module 10.
As shown in fig. 1 and 2, in the illustrated embodiment, the first appliance module 10 is allowed to be powered off when the vehicle is stopped, but is not allowed to be powered off when the vehicle is running. The first electrical module 10 is also electrically connected to the generator 30 of the vehicle, so that it can be normally powered by the generator 30 of the vehicle while the vehicle is running. Therefore, even if the electronic control switch 2 is accidentally turned off while the vehicle is running, the first electrical module 10 can still be normally powered by the generator 30 of the vehicle, so that the running safety can be ensured.
As shown in fig. 1 and 2, in the illustrated embodiment, the first appliance module 10 includes at least a front cabin appliance box 11 and/or a cockpit appliance box 12. The front compartment electrical box 11 is mounted in the front compartment of the vehicle and has at least one electrical load. The cockpit electrical box 12 is installed in the cockpit of the automobile and has at least one electrical load. In the illustrated embodiment, the front compartment electrical box 11 and the cockpit electrical box 12 are connected in series with each other.
It is noted that the present invention is not limited to the illustrated embodiment, and that the first electrical module 10 may comprise other electrical modules in addition to the front cabin electrical box 11 and the cockpit electrical box 12.
In an exemplary embodiment of the invention, as shown in fig. 1 and 2, the electrically controlled switch 2 is a relay or a MOS transistor. In an exemplary embodiment of the present invention, the electronic control switch 2 may be a bistable relay with low power consumption and high stability, or may be an MOS transistor with low power consumption.
As shown in fig. 1 and 2, in an exemplary embodiment of the present invention, the control device 1 may be a micro control unit. However, the present invention is not limited to this, and for example, the control device 1 may be a control circuit that does not include a micro control unit, which can reduce the cost.
As shown in fig. 1 and 2, in an exemplary embodiment of the present invention, the automobile includes a battery charge amount detection device (not shown) for detecting the charge amount of the battery 40. The control device 1 is communicated with the storage battery electric quantity detection device and is used for controlling the on-off of the electric control switch 2 according to the electric quantity detected by the storage battery electric quantity detection device. In the illustrated embodiment, the control device 1 communicates with the battery level detection device via the CAN bus. However, the present invention is not limited to this, and for example, the control device 1 may communicate with the battery charge amount detection device in other manners, for example, by a LIN bus or wireless communication manner.
As shown in fig. 1 and 2, in one exemplary embodiment of the invention, the control device 1 is electrically connected to the accumulator 40 by means of a separate electrical connection line, so that it can still be supplied with power normally by means of the accumulator 40 after the electrically controlled switch 2 has been switched off.
Fig. 3 shows a schematic diagram of a battery brownout protection system according to another exemplary embodiment of the present invention.
As shown in FIG. 3, in the illustrated embodiment, some high-end configured automobiles may also include a second appliance module 20. The second appliance module 20 is not allowed to be powered off when the car is stopped. The second electrical module 20 is electrically connected to the accumulator 40 by means of a separate electrical connection line, so that it can still be normally powered by the accumulator 40 after the electrically controlled switch 2 is switched off.
As shown in fig. 3, in one exemplary embodiment of the invention, the second appliance module 20 includes at least a network module 21 and a smart battery sensor 22. The network module 21 is installed in an automobile and includes at least a vehicle networking system (abbreviated as T-BOX). An Intelligent Battery Sensor (IBS) 22 is installed in the car to detect and analyze the state of the secondary Battery 40 and provide Battery information on key parameters such as a state of charge, a functional state (power capability), and a state of health (aging). Thus, sensors are critical to reliable operation of an automotive start-stop system. The smart battery sensor 22 is mounted directly on the battery and fits perfectly into the wall thickness around the negative terminal, which means that it can be deployed with any standard battery. The sensor enhances the diagnostic capabilities of the vehicle and can therefore warn of even battery-induced failures. Furthermore, IBS helps to extend battery life by 10% to 20% through an improved charging strategy.
As shown in fig. 1 to 3, in an exemplary embodiment of the present invention, the control device 1 and the electrically controlled switch 2 are integrated on one circuit board 50. The automotive battery power-loss protection system further includes a case (not shown) in which the circuit board 50 is mounted. In the illustrated embodiment, the circuit board 50 has a plurality of connection terminals EC, IBS, T-BOX, B +, CAN, GND. Some of the plurality of connection terminals EC, IBS, T-BOX, B +, CAN are used to electrically connect with the first and second electrical modules 10 and 20, the storage battery 40, and the communication module of the automobile, respectively. The plurality of connection terminals may be integrated in one or more connectors. For example, in an exemplary embodiment of the present invention, the case is provided with a socket in which a plurality of connection terminals EC, IBS, T-BOX, B +, CAN adapted to be electrically connected to the first electrical module 10, the second electrical module 20, the storage battery 40, and the communication module of the automobile, respectively, are disposed.
As shown in fig. 1 to 3, in an exemplary embodiment of the present invention, a power shortage protection box for an automobile battery is also disclosed. This car battery insufficient voltage protection box mainly includes: a box body (not shown), a control device 1 and an electric control switch 2. The control device 1 and the electric control switch 2 are installed in the box body. The electronically controlled switch 2 is adapted to be connected in series between the battery 40 of the vehicle and the first electrical module 10. The control device 1 is connected with the electric control switch 2 and is used for controlling the on-off of the electric control switch 2.
As shown in fig. 1 to 3, in one exemplary embodiment of the present invention, the control device 1 is configured to: when the electric quantity of the storage battery 40 is reduced to be less than the preset electric quantity value, the electric control switch 2 is controlled to be switched off so as to cut off the electric connection between the storage battery 40 and the first electrical appliance module 10; when the electric quantity of the storage battery 40 rises above a predetermined electric quantity value, the electronically controlled switch 2 is controlled to close to complete the electrical connection between the storage battery 40 and the first appliance module 10.
As shown in fig. 1 to 3, in an exemplary embodiment of the present invention, the control device 1 and the electrically controlled switch 2 are integrated on one circuit board 50, the circuit board 50 being mounted in the case; the circuit board 50 has a plurality of connection terminals EC, IBS, T-BOX, B + adapted to be electrically connected to the first electrical module 10, the second electrical module 20, and the battery 40 of the automobile, respectively.
As shown in fig. 1 to 3, in one exemplary embodiment of the present invention, the plurality of connection terminals EC, IBS, T-BOX, B + include a first load connection terminal EC, a second load connection terminal T-BOX, IBS and a battery connection terminal B +. The electronically controlled switch 2 is connected in series between the battery connection terminal B + and the first load connection terminal EC via a conductive track on the circuit board 50. The battery connection terminal B + is electrically connected to the control apparatus 1 and the second load connection terminals T-BOX, IBS, respectively, via a plurality of conductive traces on the circuit board 50.
As shown in fig. 1 to 3, in an exemplary embodiment of the present invention, the vehicle battery power shortage protection case further includes a plurality of fuses F1 to F4. The fuses F1 to F4 are integrated on the circuit board 50 and are connected in series between the battery connection terminal B + and the electronic control switch 2, between the battery connection terminal B + and the control device 1, and between the battery connection terminal B + and the second load connection terminals T-BOX, IBS, respectively.
It will be appreciated by those skilled in the art that the above described embodiments are exemplary and can be modified by those skilled in the art, and that the structures described in the various embodiments can be freely combined without structural or conceptual conflicts, and that such modifications are intended to fall within the scope of the present invention.
Although the present invention has been described in connection with the accompanying drawings, the embodiments disclosed in the drawings are intended to be illustrative of preferred embodiments of the present invention and should not be construed as limiting the invention.
Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.
It should be noted that the word "comprising" does not exclude other elements or steps, and the words "a" or "an" do not exclude a plurality. Furthermore, any reference signs in the claims shall not be construed as limiting the scope of the invention.
Claims (16)
1. An automobile storage battery power-shortage protection system is characterized by comprising:
the first connecting circuit comprises an electric control switch which is arranged in series, and is connected in series between a storage battery and a first electrical appliance module of the automobile; and
the control device is connected with the electric control switch; the control device receives the electric quantity signal of the storage battery and is used for controlling the on-off of the electric control switch,
when the electric quantity of the storage battery is reduced to be smaller than a preset electric quantity value, the control device controls the electric control switch to be disconnected so as to cut off the electric connection between the storage battery and the first electric appliance module.
2. The automotive battery power-deficit protection system according to claim 1, characterized in that:
when the electric quantity of the storage battery rises above the preset electric quantity value, the control device controls the electric control switch to be closed so as to connect the electric connection between the storage battery and the first electric appliance module.
3. The automotive battery power-deficit protection system according to claim 1, characterized in that:
the first electrical appliance module allows the power supply to be stopped when the automobile stops, but does not allow the power supply to be stopped when the automobile runs;
the first electrical module is also electrically connected to a generator of the vehicle, so that it can be normally powered by the generator of the vehicle while the vehicle is running.
4. A vehicle battery power-deficit protection system according to claim 1, characterized in that said electronic control switch is connected to the battery of the vehicle at one end and to:
a front compartment electrical box installed in a front compartment of an automobile and having at least one electrical load; and/or
The electric box of the cockpit is arranged in the cockpit of the automobile and is provided with at least one electric load.
5. The automotive battery power-deficit protection system according to claim 1, characterized in that: the electric control switch is a relay or an MOS tube.
6. The automotive battery power-deficit protection system according to claim 1, characterized in that: the electric control switch is a bistable relay.
7. The automotive battery power-deficit protection system according to claim 1, characterized in that:
the control device is a micro control unit or a control circuit not comprising a micro control unit.
8. The automotive battery power-deficit protection system according to claim 1, characterized in that:
the control device is suitable for communicating with the storage battery electric quantity detection device and is used for controlling the on-off of the electric control switch according to the electric quantity detected by the storage battery electric quantity detection device.
9. The automotive battery power-deficit protection system according to claim 8, characterized in that:
and the control device is communicated with the storage battery electric quantity detection device through a CAN bus or a LIN bus.
10. The automotive battery power-deficit protection system according to claim 1, characterized in that:
the control device is electrically connected to the battery so that it can be normally powered by the battery after the electrically controlled switch is turned off.
11. An automotive battery power-deficit protection system according to any one of claims 1 to 10, further comprising:
a second connection circuit electrically connecting a second electrical module to the secondary battery so that it can be normally powered by the secondary battery after the electric control switch is turned off,
the second appliance module is not allowed to be powered off when the automobile is stopped.
12. An automotive battery power-deficit protection system according to claim 11, further comprising:
and the fuses are respectively connected in series between the storage battery and the electric control switch, between the storage battery and the control device and between the storage battery and the second electrical appliance module.
13. A vehicle battery power-deficit protection system according to claim 11, wherein the second connection circuit is connected at one end to the battery and at the other end to:
a network module installed in an automobile and including at least an Internet of vehicles system; and/or
And the intelligent battery sensor is installed in the automobile and used for detecting and analyzing the state of the storage battery.
14. A vehicle battery power-deficit protection system according to claim 10, characterized in that:
the control device and the electrically controlled switch are integrated on one circuit board.
15. The utility model provides an automobile storage battery insufficient voltage protection box which characterized in that includes:
a box body; and
the automotive battery power-deficit protection system according to any one of claims 1 to 14,
the automobile socket is characterized in that a socket is arranged on the box body, and a plurality of connecting terminals suitable for being electrically connected with a first electrical module, a second electrical module and a storage battery of an automobile are arranged in the socket.
16. The vehicle battery power-deficient protection box according to claim 15, characterized in that:
the plurality of connection terminals include a first load connection terminal, a second load connection terminal, and a battery connection terminal;
the electrically controlled switch is connected in series between the battery connection terminal and the first load connection terminal via a conductive line on the circuit board;
the battery connection terminal is electrically connected to the control device and the second load connection terminal, respectively, via a plurality of conductive traces on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614787.0A CN115431909A (en) | 2021-06-02 | 2021-06-02 | Automobile storage battery insufficient-power protection system and automobile storage battery insufficient-power protection box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110614787.0A CN115431909A (en) | 2021-06-02 | 2021-06-02 | Automobile storage battery insufficient-power protection system and automobile storage battery insufficient-power protection box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115431909A true CN115431909A (en) | 2022-12-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110614787.0A Pending CN115431909A (en) | 2021-06-02 | 2021-06-02 | Automobile storage battery insufficient-power protection system and automobile storage battery insufficient-power protection box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115431909A (en) |
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2021
- 2021-06-02 CN CN202110614787.0A patent/CN115431909A/en active Pending
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