CN214396655U - Vehicle-mounted power supply system - Google Patents
Vehicle-mounted power supply system Download PDFInfo
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- CN214396655U CN214396655U CN202120433457.7U CN202120433457U CN214396655U CN 214396655 U CN214396655 U CN 214396655U CN 202120433457 U CN202120433457 U CN 202120433457U CN 214396655 U CN214396655 U CN 214396655U
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Abstract
The utility model provides an on-vehicle power supply system, including the casing, charge interface, power output interface, switch, direct current air switch and install lead acid battery and at least one voltage stabilizing module in the casing. The charging interface, the power output interface, the power switch and the direct current air switch are arranged at corresponding openings of the shell. The charging interface is externally connected with a vehicle-mounted storage battery or a vehicle-mounted generator and is connected with the lead-acid storage battery through a direct-current air switch to charge the lead-acid storage battery, so that the charging and using are realized, and the testing requirement of long time of intelligent driving testing is met. The lead-acid storage battery is also connected with the input end of each voltage stabilizing module through a power switch respectively, and provides stable power supply voltage for the equipment to be powered. The utility model discloses an at the inside corresponding part of corresponding opening part installation of casing, realized the design of integration battery package, improved the security, simplified the installation of arranging of power supply system to and portable can transplant other test vehicles fast.
Description
Technical Field
The utility model relates to the field of vehicle technology, more specifically say, relate to an on-vehicle power supply system.
Background
The intelligent driving test requires multiple sensors and massive data support. Most of the existing intelligent driving tests are that a sensor and an industrial personal computer are additionally arranged on an existing vehicle, and then data are collected on a road or a test site. The power supply power required by the sensor and the industrial personal computer is relatively large, so that the power requirement cannot be met only by the power supply of the vehicle and the power supply of the generator.
The current power supply scheme used by the intelligent driving test comprises two schemes: one is to use a lithium battery for power supply, but the lithium battery is unsafe to use while charging on a vehicle, and can only be used after being charged firstly and then used during testing, so that the requirement of long-time testing cannot be met after one-time charging; the other type is that one side of a lead-acid storage battery is connected with a generator on the vehicle, the other side of the lead-acid storage battery is connected with power supply preprocessing equipment such as a continuous transformer, a power supply distributor and the like, and the lead-acid storage battery also needs to be installed by a specific support, is inconvenient to carry and has lower safety.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a vehicle-mounted power supply system intends to improve the security to and make the system portable.
In order to achieve the above object, the following solutions are proposed:
an on-board power supply system comprising: the device comprises a shell, a charging interface, a power output interface, a power switch, a direct current air switch, a lead-acid storage battery and at least one voltage stabilizing module, wherein the lead-acid storage battery and the at least one voltage stabilizing module are arranged in the shell;
the shell comprises a first opening, a second opening, a third opening and a fourth opening which respectively correspond to the charging interface, the power output interface, the power switch and the direct current air switch, and the charging interface, the power output interface, the power switch and the direct current air switch are respectively arranged at the first opening, the second opening, the third opening and the fourth opening;
the external port of the charging interface is used for connecting a vehicle-mounted storage battery or a vehicle-mounted generator, and the internal port of the charging interface is connected with the lead-acid storage battery through the direct-current air switch;
the lead-acid storage battery is also respectively connected with the input end of each voltage stabilizing module through the power switch;
the power output interface comprises a voltage output interface corresponding to each voltage stabilizing module, an internal port of each voltage output interface is connected with the output end of the corresponding voltage stabilizing module, and an external port of each voltage output interface is used for connecting corresponding equipment to be powered.
Optionally, the vehicle-mounted power supply system further includes: and the relay is connected between the power switch and all the voltage stabilizing modules.
Optionally, the relay is: the maximum allowable current is not lower than 100A.
Optionally, the vehicle-mounted power supply system further includes: and the fuse is connected between the output end of the voltage stabilizing module and the corresponding voltage output interface.
Optionally, the vehicle-mounted power supply system further includes: a fuse box;
the shell further comprises a fifth opening corresponding to the fuse box, the fuse box is installed at the fifth opening, and the fuse is installed in the fuse box.
Optionally, the vehicle-mounted power supply system further includes: and the voltage acquisition and display module is connected between the power switch and all the voltage stabilization modules.
Optionally, the power switch specifically includes: and (4) a mechanical switch.
Optionally, the mechanical switch specifically includes: a push button switch.
Optionally, the dc air switch is: and the maximum power-off current is not lower than 60A.
Optionally, the number of the voltage stabilizing modules is as follows: two, one of the voltage stabilizing modules is a voltage stabilizing module for outputting 12V voltage, and the other voltage stabilizing module is a voltage stabilizing module for outputting 24V voltage.
Compared with the prior art, the technical scheme of the utility model have following advantage:
the vehicle-mounted power supply system comprises a shell, a charging interface, a power output interface, a power switch, a direct current air switch, a lead-acid storage battery and at least one voltage stabilizing module, wherein the lead-acid storage battery and the at least one voltage stabilizing module are installed in the shell. The charging interface, the power output interface, the power switch and the direct current air switch are arranged at corresponding openings of the shell. The charging interface is used for being externally connected with a vehicle-mounted storage battery or a vehicle-mounted generator and is connected with the lead-acid storage battery through a direct-current air switch to charge the lead-acid storage battery, so that charging and using are realized, and the testing requirement of long time of intelligent driving testing is met. The lead-acid storage battery is also connected with the input end of each voltage stabilizing module through a power switch respectively, and then stable power supply voltage is provided for the equipment to be powered. The utility model discloses an at the inside corresponding part of corresponding opening part installation of casing, realized the design of integration battery package, improved the security, simplified the installation of arranging of power supply system to and portable can transplant other test vehicles fast.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required 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 embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a vehicle-mounted power supply system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another vehicle-mounted power supply system according to an embodiment of the present invention;
fig. 3 is a schematic layout view of a side of the housing 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the vehicle-mounted power supply system provided in this embodiment includes: the device comprises a shell 11, a charging interface 12, a direct current air switch 13, a lead-acid storage battery 14, a power switch 15, a first voltage stabilizing module 16, a second voltage stabilizing module 17 and a power output interface 18. The lead-acid battery 14 and all the regulator modules are mounted in the housing 11. Fig. 1 shows a scheme including two voltage stabilizing modules, which is only an exemplary illustration and should not be construed as a limitation of the present invention, in other embodiments, the number of the voltage stabilizing modules may be 1 or 3, and the present embodiment does not limit the number of the voltage stabilizing modules.
The housing 11 includes a first opening corresponding to the charging interface 12, a second opening corresponding to the power output interface 18, a third opening corresponding to the power switch 15, and a fourth opening corresponding to the dc air switch 13. The charging interface 12 is arranged at the first opening; the power output interface 18 is arranged at the second opening; the power switch 15 is installed at the third opening; a dc air switch 13 is installed at the fourth opening.
The external port of the charging interface 12 is outside the housing 11 and is used for connecting a vehicle-mounted battery or a vehicle-mounted generator. The internal port of the charging interface 12 is arranged inside the shell 11, and the internal port of the charging interface 12 is connected with a lead-acid storage battery 14 through a direct-current air switch 13. The dc air switch 12 is used to control the conduction and disconnection of the circuit between the lead-acid battery 14 and the vehicle battery or the vehicle generator. In one embodiment, the dc air switch 12 is a dc air switch with a maximum power-off current of not less than 60A; the air switch can also be a DC air switch with 2P maximum power-off current not lower than 60A, and can be a DC air switch with model number C65N-DC 2P 40A as an example. The maximum power-off current of the direct current air switch means that the maximum direct current passing through the direct current air switch exceeds 60A, and the direct current air switch is automatically turned off.
The lead-acid storage battery 14 is also connected to the input end of each voltage stabilizing module through a power switch 15. Whether the power output interface 16 supplies power is controlled by the power switch 15. The power output interface 16 includes a voltage output interface corresponding to each voltage regulator module. The internal port of the voltage output interface is inside the housing 11, and the internal port of the voltage output interface is connected to the output end of the corresponding voltage stabilizing module. The external port of the voltage output interface is arranged outside the shell 11, and the external port of the voltage output interface is used for connecting corresponding equipment to be powered, namely, supplying power to electric equipment such as a sensor, an industrial personal computer and a display. The voltage stabilizing module is used for converting the voltage output by the lead-acid storage battery 14 into a target voltage and outputting the target voltage.
For different voltage requirements, different voltage stabilizing modules can provide different voltages so as to supply power to electric equipment with different power supply voltage requirements; in some embodiments, the number of the voltage stabilizing modules is two, one voltage stabilizing module outputs 12V, and the other voltage stabilizing module outputs 24V; the voltage stabilizing module outputting 12V voltage may be a voltage stabilizing module with model number JMS400, and the voltage stabilizing module outputting 2V voltage may be a voltage stabilizing module with model number XW-0936-1228A. The output end of the same voltage stabilizing module can be connected with a plurality of voltage output interfaces, and then power is supplied to a plurality of electric devices with the same power supply voltage requirement.
The power switch 15 may be a mechanical switch, in some embodiments, a button switch, which may be a 22mm button switch with a power indicator, and when the button switch is pressed, the circuit is turned on, the display lamp on the switch is turned on, and when the button switch is pressed again, the circuit is turned off, and the display lamp on the switch is turned off.
Referring to fig. 2, compared with the vehicle-mounted power supply system shown in fig. 1, another vehicle-mounted power supply system provided in this embodiment further includes: the fuse is connected between the output end of the voltage stabilizing module and the corresponding voltage output interface; a relay 19 connected between the power switch 15 and all the voltage stabilization modules; and the voltage acquisition and display module 20 is connected between the power switch 15 and all the voltage stabilization modules 16. The output end of each voltage stabilizing module is connected with a fuse, referring to fig. 2, the output end of the first voltage stabilizing module 16 is connected with a first fuse 21, and the output end of the second voltage stabilizing module is connected with a second fuse 22, so that the circuit is subjected to overcurrent protection through the fuses.
Fig. 2 shows the vehicle-mounted power supply system including the relay, the fuse, and the voltage acquisition and display module, but it should be understood that this should not be construed as a limitation to the scheme, and in other embodiments, the vehicle-mounted power supply system may further include only one or two of the relay, the fuse, and the voltage acquisition and display module.
The vehicle-mounted power supply system may further include a fuse box, and the housing 11 further includes a fifth opening corresponding to the fuse box. The fuse box is installed at the fifth opening, and the fuse is installed in the fuse box. In some embodiments, the relay may be a relay having a maximum allowable current of not less than 100A. The housing 11 further includes a sixth opening corresponding to the voltage acquisition and display module, and the voltage acquisition and display module is installed at the sixth opening. The voltage acquisition and display module is used for acquiring and displaying the voltage of the lead-acid storage battery 14 so that a user can know the current electric quantity condition of the lead-acid storage battery. Referring to fig. 3, a schematic diagram of a side surface of the housing 11 of the vehicle-mounted power supply system shows a layout of the power switch 15, the dc air switch 13, the voltage acquisition and display module 20 and the power output interface 18 on the side surface.
In this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a device that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such device. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in a device that comprises the element.
In the present specification, the emphasis points of the embodiments are different from those of the other embodiments, and the same and similar parts among the embodiments may be referred to each other.
The above description of the disclosed embodiments of the invention enables one skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An on-vehicle power supply system, characterized by comprising: the device comprises a shell, a charging interface, a power output interface, a power switch, a direct current air switch, a lead-acid storage battery and at least one voltage stabilizing module, wherein the lead-acid storage battery and the at least one voltage stabilizing module are arranged in the shell;
the shell comprises a first opening, a second opening, a third opening and a fourth opening which respectively correspond to the charging interface, the power output interface, the power switch and the direct current air switch, and the charging interface, the power output interface, the power switch and the direct current air switch are respectively arranged at the first opening, the second opening, the third opening and the fourth opening;
the external port of the charging interface is used for connecting a vehicle-mounted storage battery or a vehicle-mounted generator, and the internal port of the charging interface is connected with the lead-acid storage battery through the direct-current air switch;
the lead-acid storage battery is also respectively connected with the input end of each voltage stabilizing module through the power switch;
the power output interface comprises a voltage output interface corresponding to each voltage stabilizing module, an internal port of each voltage output interface is connected with the output end of the corresponding voltage stabilizing module, and an external port of each voltage output interface is used for connecting corresponding equipment to be powered.
2. The vehicle power supply system according to claim 1, further comprising:
and the relay is connected between the power switch and all the voltage stabilizing modules.
3. The on-board power supply system according to claim 2, wherein the relay is:
the maximum allowable current is not lower than 100A.
4. The vehicle power supply system according to claim 1, further comprising:
and the fuse is connected between the output end of the voltage stabilizing module and the corresponding voltage output interface.
5. The vehicle power supply system according to claim 4, further comprising:
a fuse box;
the shell further comprises a fifth opening corresponding to the fuse box, the fuse box is installed at the fifth opening, and the fuse is installed in the fuse box.
6. The vehicle power supply system according to claim 1, further comprising:
and the voltage acquisition and display module is connected between the power switch and all the voltage stabilization modules.
7. The vehicle-mounted power supply system according to claim 1, wherein the power switch is specifically:
and (4) a mechanical switch.
8. The vehicle-mounted power supply system according to claim 7, wherein the mechanical switch is specifically:
a push button switch.
9. The vehicle power supply system according to claim 1, wherein the dc air switch is:
and the maximum power-off current is not lower than 60A.
10. The vehicle-mounted power supply system according to claim 1, wherein the number of the voltage stabilization modules is:
two, one of the voltage stabilizing modules is a voltage stabilizing module for outputting 12V voltage, and the other voltage stabilizing module is a voltage stabilizing module for outputting 24V voltage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120433457.7U CN214396655U (en) | 2021-02-26 | 2021-02-26 | Vehicle-mounted power supply system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120433457.7U CN214396655U (en) | 2021-02-26 | 2021-02-26 | Vehicle-mounted power supply system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214396655U true CN214396655U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120433457.7U Active CN214396655U (en) | 2021-02-26 | 2021-02-26 | Vehicle-mounted power supply system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214396655U (en) |
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2021
- 2021-02-26 CN CN202120433457.7U patent/CN214396655U/en active Active
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