CN215097427U - Power supply system for trailer - Google Patents
Power supply system for trailer Download PDFInfo
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- CN215097427U CN215097427U CN202120688892.4U CN202120688892U CN215097427U CN 215097427 U CN215097427 U CN 215097427U CN 202120688892 U CN202120688892 U CN 202120688892U CN 215097427 U CN215097427 U CN 215097427U
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- power supply
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- 238000006243 chemical reaction Methods 0.000 claims description 20
- 230000009466 transformation Effects 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
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- 238000012545 processing Methods 0.000 description 1
- 238000012857 repacking Methods 0.000 description 1
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Abstract
The utility model provides a power supply system for trailer, including power, switch, voltage transformation module, main control board module and trailer load, the voltage transformation module is parallelly connected with the switch, forms first structure. The power supply, the first structure and the main control board module are sequentially connected in series. The main control board module comprises a voltage detection device and a control device, the main control board module is connected with the trailer lamps and at least one trailer load, and the main control board module is used for detecting voltage and selecting a power supply target according to the voltage. The utility model can supply different voltages without adding extra power supply circuit between the tractor and the trailer by arranging the voltage conversion module in parallel connection with the switch; connect car light and trailer load respectively through setting up the main control board module, realized keeping supplying power for the trailer load under the prerequisite that does not influence the user and freely open or close the trailer car light, can also carry out automatic cutout to the circuit when the trouble simultaneously, realize the automatic protection to the load.
Description
Technical Field
The present invention relates generally to the field of vehicle power supply, and more particularly to a power supply system for a trailer.
Background
With the development of science and technology, more and more devices are equipped for the trailer at present. The application of new trailer technology is continuously updated, and nowadays, TPMS, i.e. tyre pressure monitoring system, GPS and other devices are almost standard, but the power supply of these trailer devices has problems: the trailer small lamp switch is powered on when being turned on, and only the ABS keeps a normally powered state. Unless an ABS manufacturer reserves a power interface, extra trailer electric equipment can only be used for getting power on an ABS power line without authorization, so that the trailer electric equipment cannot obtain power supply when the ABS is in fault or is not used, the efficient operation of the equipment cannot be guaranteed, and meanwhile, the risk of influencing the normal operation of the ABS exists in the trailer electric equipment which is used for getting power from the ABS power line. When the user uses and maintains improper ABS or ABS trouble, these trailer consumer all can't operate, and the repacking circuit also can bring the potential safety hazard for ABS's use, has caused great obstacle to the normal use that the trailer installs extra equipment additional. At the same time, if the number of the power supply circuits between the trailer and the tractor is increased, the circuits have higher fault risks.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a power supply system for trailer, including power 1, switch 2, voltage transformation module 3, main control board module 4 and trailer load 5, voltage transformation module 3 with switch 2 is parallelly connected, forms first structure. The power supply 1, the first structure and the main control board module 4 are sequentially connected in series. The main control board module 4 comprises a voltage detection device and a control device, the main control board module 4 is connected with the trailer lamps 51 and at least one trailer load 5, and the main control board module 4 is used for detecting voltage and selecting a power supply target according to the voltage.
According to one embodiment of the present invention, the trailer load 5 includes one or a combination of any of the trailer lights 51, the tire inflation and deflation system 54, the GPS52, and the TPMS 53.
According to the utility model discloses an embodiment, power supply system still include battery 6, connect main control board module 4.
According to an embodiment of the present invention, the power supply 1 is a dc power supply 1.
According to an embodiment of the present invention, the power source 1, the voltage conversion module 3 and the switch 2 are disposed on the tractor 10, and the main control board module 4 and the trailer load 5 are disposed on the trailer 20.
According to an embodiment of the present invention, the power supply system further includes a spring wire 7 connected to the main control board module 4 and the voltage conversion module 3 for connecting the circuits of the trailer 20 and the tractor 10.
According to an embodiment of the present invention, the switch 2 is arranged in the cab of the tractor 10.
According to an embodiment of the present invention, the main control board module 4 further includes an optical sensor.
The utility model realizes the selection of different voltage supplies by controlling the switch by arranging the voltage conversion module in parallel connection with the switch; the main control board module is respectively connected with the vehicle lamp and the trailer load, and the adaptive trailer uses a tire inflation and deflation system, a GPS and a TPMS, so that the power supply to the trailer load is kept on the premise of not influencing the vehicle lamp of the trailer, and meanwhile, the automatic protection of the load is realized; by arranging the first structure and the main control board module in series, a circuit is conveniently arranged between the tractor and the trailer without additionally arranging a power supply circuit; the power supply, the voltage conversion module and the switch are arranged on the tractor, the main control board module, the car lamps and the trailer load are arranged on the trailer, an extra power supply circuit does not need to be added between the tractor and the trailer, the position of the original trailer car lamp switch does not need to be changed, and the convenience of a user is improved.
Drawings
FIG. 1 is a schematic diagram of a power supply system;
fig. 2 is a schematic diagram of a power supply system with spring wire.
Detailed Description
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, wherein like reference numerals refer to like elements and techniques of the present invention so that advantages and features of the present invention may be more readily understood when implemented in a suitable environment. The following description is an embodiment of the present invention, and other embodiments related to the claims that are not explicitly described also fall within the scope of the claims.
Fig. 1 is a schematic diagram of a power supply system.
As shown in fig. 1, a power supply system for a trailer includes a power supply 1, a switch 2, a voltage conversion module 3, a main control board module 4 and a trailer load 5, wherein the voltage conversion module 3 is connected in parallel with the switch 2 to form a first structure. The power supply 1, the first structure and the main control board module 4 are sequentially connected in series. The main control board module 4 comprises a voltage detection device and a control device, the main control board module 4 is connected with the trailer lamps 51 and at least one trailer load 5, and the main control board module 4 is used for detecting voltage and selecting a power supply target according to the voltage.
The power supply 1, i.e., the vehicle-mounted power supply 1, may be the power supply 1 of the trailer itself, or may be connected to the power supply 1 of the tractor 10. The power supply 1, the switch 2 and the main control board are connected in sequence. The voltage conversion module 3 is connected in parallel with the switch 2, namely, the circuit is led out from the power supply 1 and then is simultaneously connected with the switch 2 and the voltage conversion module 3. Meanwhile, the voltage transformation module 3 can also have a plurality of gears, when the switch 2 is switched off, the voltage transformation module 3 starts to work, and a user can control the switching-off of the trailer load 5 by controlling the gears of the voltage transformation module 3. The main control board is connected with at least one trailer load 5, a preset program is arranged in the main control board, and the circuit of the load connected with the main control board can be controlled to be switched off according to the detected voltage. The trailer load 5 may be one or more, for example 4 in fig. 1. Connection indicates electric connection.
The user indirectly controls whether the voltage conversion module 3 normally operates or not by controlling the switch-off of the switch 2, and the voltage of the whole circuit is indirectly changed. The main control board detects the circuit voltage in real time, and controls whether the load and other connected devices are communicated or not through the change condition of the voltage, thereby realizing the control of a user on the switch 2 of the trailer load 5.
The working state is illustrated by taking the trailer lamp 51 as an example which needs to be turned off or on and other loads need to be normally opened: if the switch 2 is disconnected, the voltage conversion module 3 works, the output voltage is V2, and when the main control board detects that the input voltage is V2, the original load is disconnected and only the power is supplied to the trailer load 5; if the switch 2 is closed, the voltage conversion module 3 stops working, the output voltage is V1, and when the main control board detects that the input voltage is V1, the power is supplied to the trailer lamps 51 and the trailer load 5; if the newly-added load has a fault, the main control board detects that the voltage is abnormal and automatically starts the protection function, and the circuit supply of the voltage conversion module 3 and the main control board module 4 is cut off in time, so that the normal operation of the load is not interfered.
Meanwhile, in the prior art, a lamp power supply circuit of a trailer, namely, a power supply 1 with a voltage of V1, a switch 2 and a trailer lamp 51 are connected in sequence. Therefore, the utility model discloses need not directly increase extra supply circuit at tractor 10 and trailer to the improvement of whole car circuit, only need make slight change to the circuit. Except for the above-mentioned example that the trailer car light 51 is closed or opened because of the needs, and the trailer load 5 needs to be normally opened, the utility model discloses also can have other settlement, the utility model discloses do not do the restriction.
The utility model can realize the selection of different voltages supplied by the control switch 2 without adding extra power supply circuit directly between the tractor 10 and the trailer by arranging the voltage conversion module 3 in parallel connection with the switch 2; by arranging the first structure and the main control board module 4 in series, a circuit is conveniently arranged between the tractor 10 and the trailer without additionally arranging a power supply circuit; connect car light and trailer load 5 respectively through setting up main control board module 4, realized keeping supplying power for trailer load 5 under the prerequisite that does not influence the user and freely open or close trailer car light 51, can also carry out automatic cutout to the circuit when the trouble simultaneously, realize the automatic protection to the load.
Fig. 2 is a schematic diagram of a power supply system with spring wire.
As shown in fig. 2, the trailer load 5 includes one or a combination of any of trailer lights 51, a tire inflation and deflation system 54, a GPS52, or a TPMS 53. Trailer lights 51, tire inflation and deflation system 54, GPS52, and TPMS53 required for the trailer may improve trailer ease of use.
As shown in fig. 2, the power supply system further includes a storage battery 6 connected to the main control board module 4. By arranging the storage battery 6 and monitoring the voltage through the main control board module 4, the load can be efficiently used when the power supply 1 is powered off or the tractor 10 is disconnected from the trailer; when the main control board module 4 detects that the voltage is normal, namely the vehicle-mounted power supply 1 is normal, the storage battery 6 is charged by itself.
As shown in fig. 2, the power supply 1, the voltage conversion module 3 and the switch 2 are arranged on a tractor 10, and the main control board module 4, the lamps and the trailer load 5 are arranged on a trailer. Compared with the existing processing device of the trailer power supply 1, the controller of the trailer energy storage power supply 1 does not need to add an additional power supply circuit between the tractor 10 and the trailer, and only needs to slightly change the circuit of the whole trailer. Meanwhile, the position of the switch 2 of the original trailer lamp 51 is not required to be changed, and the convenience of a user is improved.
As shown in fig. 2, the power supply system further includes a spring wire 7 connected to the main control board module 4 and the voltage conversion module 3 for connecting the circuits of the trailer and the tractor 10. The spring wire 7 improves the safety of the direct connection between the trailer and the tractor 10, facilitating handling of different weather conditions.
According to an embodiment of the present invention, the power supply 1 is a dc power supply 1. The direct-current power supply 1 is convenient to adapt to the existing vehicle-mounted power supply 1 and convenient to use.
According to an embodiment of the present invention, the switch 2 is arranged in the cab of the tractor 10. The driver does not need to leave the cab to operate the circuit.
According to an embodiment of the present invention, the main control board module 4 further includes an optical sensor. The optical sensor in the main control board can automatically adjust the switch 2 condition of the related load according to the measured ambient brightness.
The utility model can realize the selection of different voltages supplied by the control switch without adding extra power supply circuit directly on the tractor and the trailer by arranging the voltage conversion module in parallel with the switch; the main control board module is respectively connected with the vehicle lamp and the trailer load, and the adaptive trailer uses the tire inflation and deflation system, the GPS and the TPMS, so that the power supply for the trailer load is kept on the premise of not influencing the free start or stop of the trailer lamp by a user, and meanwhile, the circuit can be automatically cut off in case of failure, so that the automatic protection of the load is realized; by arranging the first structure and the main control board module in series, a circuit is conveniently arranged between the tractor and the trailer without additionally arranging a power supply circuit; the power supply, the voltage conversion module and the switch are arranged on the tractor, the main control board module, the car lamps and the trailer load are arranged on the trailer, the switch is arranged in a cab of the tractor, an extra power supply circuit does not need to be added between the tractor and the trailer, the position of the original trailer car lamp switch does not need to be changed, the convenience of a user is improved, and a driver can operate the circuit without leaving the cab.
It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim.
Claims (8)
1. A power supply system for a trailer is characterized by comprising a power supply (1), a switch (2), a voltage conversion module (3), a main control board module (4) and a trailer load (5),
the voltage conversion module (3) is connected with the switch (2) in parallel to form a first structure;
the power supply (1), the first structure and the main control board module (4) are sequentially connected in series;
the main control board module (4) comprises a voltage detection device and a control device, the main control board module (4) is connected with a trailer lamp (51) and at least one trailer load (5), the voltage detection device is used for detecting voltage, and the control device is used for selecting a power supply target according to a voltage detection result.
2. The power supply system according to claim 1, wherein the trailer load (5) comprises one or a combination of any of trailer lights (51), a tire inflation and deflation system (54), a GPS (52), or a TPMS (53).
3. The power supply system according to claim 1, further comprising a battery (6) connected to the main control board module (4).
4. Power supply system according to claim 1, characterized in that the power supply (1) is a direct current power supply.
5. The power supply system according to claim 1, characterized in that the power supply (1), the voltage conversion module (3) and the switch (2) are arranged on a tractor (10), and the main control board module (4) and the trailer load (5) are arranged on a trailer (20).
6. Power supply system according to claim 5, characterized in that it further comprises spring wires (7) connecting the main control board module (4) and the voltage transformation module (3) for connecting the circuits of the trailer and the tractor (10).
7. Power supply system according to claim 5, characterized in that the switch (2) is arranged in the tractor cab.
8. Power supply system according to claim 5, characterized in that the main control board module (4) further comprises an optical sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120688892.4U CN215097427U (en) | 2021-04-02 | 2021-04-02 | Power supply system for trailer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120688892.4U CN215097427U (en) | 2021-04-02 | 2021-04-02 | Power supply system for trailer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215097427U true CN215097427U (en) | 2021-12-10 |
Family
ID=79346883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120688892.4U Active CN215097427U (en) | 2021-04-02 | 2021-04-02 | Power supply system for trailer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215097427U (en) |
-
2021
- 2021-04-02 CN CN202120688892.4U patent/CN215097427U/en active Active
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