Voltage transformation power supply system for vehicle and vehicle

Abstract

The utility model relates to the technical field of vehicles, in particular to a voltage transformation power supply system for a vehicle and the vehicle, the system comprises an automobile insurance module, a voltage transformation module and a power supply module, the automobile insurance module comprises an electric input end and a plurality of branch power supply circuits, and each branch power supply circuit is provided with at least one electric output end; the voltage transformation modules are arranged on the branch power supply circuits to boost the output voltage of the corresponding electric output ends, and the power supply modules are electrically connected with the electric output ends and are electrically connected with electric appliances. During application, the power input end can divide electric energy into a plurality of branch power supply circuits, the branch power supply circuits transmit the electric energy to the power supply module, and the power supply module can divide the electric energy into a plurality of power supply circuits to be used by an electric appliance. The voltage transformation module can boost or reduce the voltage of the electric energy of the electric input end so as to supply power to electric appliances on the output end. After boosting, the cross-sectional area of the wire can be properly reduced, thereby reducing the cost of the wire, reducing the occupied volume of the wire, and reducing the installation difficulty.

Description

Technical Field

[0001] The present application relates to the field of vehicle technology, and in particular to a transformer power supply system for a vehicle and a vehicle. Background Art

[0002] The power supply system of modern cars is relatively complex. Some power supply systems provide voltages of 12V~24V, while some power supply systems provide voltages of 24V~48V. As the internal functions of the vehicle increase, the number of electrical appliances in the vehicle increases, which in turn leads to complex power consumption of the vehicle. How to achieve vehicle power supply voltage conversion without increasing the power supply is a technical problem that needs to be solved in this field. Utility Model Content

[0003] In view of this, the present application provides a transformer power supply system for a vehicle and a vehicle, which can realize vehicle power supply voltage conversion without increasing power supply.

[0004] In a first aspect, the present application provides a transformer power supply system for a vehicle, comprising: a car insurance module, the car insurance module comprising an electrical input terminal and a plurality of branch power supply circuits, the branch power supply circuits being electrically connected to the electrical input terminal, and the branch power supply circuits being provided with at least one electrical output terminal; at least one transformer module, the transformer module being arranged on the branch power supply circuit to transform an output voltage of the corresponding electrical output terminal; and a power supply module, being electrically connected to the electrical output terminal, the power supply module comprising at least one power supply circuit, and the power supply circuit being electrically connected to an electrical appliance.

[0005] In combination with the first aspect, in a possible implementation manner, the transformer module includes a transformer input end and a transformer output end, and the transformer module is connected in series in the branch power supply circuit via the transformer input end and the transformer output end.

[0006] In combination with the first aspect, in a possible implementation, the voltage conversion module includes a boost converter, and the boost converter includes a first V in terminal and the first V out terminal, the first V in terminal as the transformer input terminal, the first V out The terminal is used as the transformer output terminal, and the boost converter uses the first V in terminal and the first V out The terminal is connected in series in the branch power supply circuit; wherein the first V in The corresponding input voltage of the terminal is any value between 12V and 24V. out The corresponding output voltage of the terminal is any value between 24V and 48V.

[0007] In combination with the first aspect, in a possible implementation, the voltage conversion module includes a buck converter, and the buck converter includes a second V in Terminal and second V out terminal, the second V in terminal as the transformer input terminal, the second V out The terminal is used as the transformer output terminal, and the buck converter uses the second V in terminal and the second V out The terminal is connected in series in the branch power supply circuit; wherein the second V in The corresponding input voltage of the terminal is any value between 24V and 48V. out The corresponding output voltage of the terminal is any value between 12V and 24V; the transformer power supply system for the vehicle also includes a boost module, which is arranged on the power supply module.

[0008] In combination with the first aspect, in a possible implementation manner, the present invention further includes: a fuse module, wherein the fuse module is connected in series to the transformer output end.

[0009] In combination with the first aspect, in a possible implementation manner, it further includes: a voltage reduction module, which is arranged on the power supply module, and the voltage reduction module is used to reduce the voltage of one or more of the power supply circuits.

[0010] In combination with the first aspect, in a possible implementation manner, the branch power supply circuit includes: a copper busbar, the copper busbar is electrically connected between the electrical input end and the electrical output end, and the transformer module is connected in series to the copper busbar.

[0011] In combination with the first aspect, in a possible implementation, there are multiple power supply modules, and the multiple power supply modules include an engine compartment electrical box, an instrument compartment electrical box, and a rear electrical box.

[0012] In combination with the first aspect, in a possible implementation manner, the present invention further includes: a plurality of direct electrical appliances, wherein the direct electrical appliances are electrically connected to the electrical output terminal; and the plurality of direct electrical appliances include a starter and a cooling fan.

[0013] In a second aspect, the present application provides a vehicle, comprising: the aforementioned transformer power supply system for a vehicle.

[0014] When the present application is used, the electrical input end can divide the electric energy into multiple branch power supply circuits, and the branch power supply circuits then transmit the electric energy to the power supply module, which can divide the electric energy into multiple power supply circuits for use by electrical appliances. The transformer module can adopt an existing boost module or buck module, which can boost or buck the electric energy at the electrical input end without increasing the power supply, so as to supply electricity to the electrical appliances at the power output end. After boosting, the cross-sectional area of ​​the wire can be appropriately reduced, thereby reducing the cost of the wire, reducing the volume occupied by the wire, and reducing the difficulty of installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Shown is a schematic structural diagram of a transformer power supply system for a vehicle provided in one embodiment of the present application.

[0016] Figure 2 Shown is a schematic structural diagram of a boost converter provided in one embodiment of the present application.

[0017] Figure 3 Shown is a schematic structural diagram of a transformer power supply system for a vehicle provided in another embodiment of the present application.

[0018] Figure 4 Shown is a schematic structural diagram of a transformer power supply system for a vehicle provided in another embodiment of the present application. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] The following description is given to enable those skilled in the art to implement and use the utility model and incorporate it into specific application contexts. Various modifications, as well as various uses in different applications will be readily apparent to those skilled in the art, and the general principles defined herein are applicable to a wide range of embodiments. Thus, the utility model is not limited to the embodiments given herein, but should be granted the broadest scope consistent with the principles and novel features disclosed herein.

[0021] In the following detailed description, many specific details are set forth to provide a more thorough understanding of the present invention. However, it is apparent to those skilled in the art that the practice of the present invention need not be limited to these specific details. In other words, well-known structures and devices are shown in block diagram form without detailed display to avoid obscuring the present invention.

[0022] The reader is reminded of all documents and literature filed simultaneously with this specification and open to public inspection, and the contents of all such documents and literature are incorporated herein by reference. Unless otherwise directly stated, all features disclosed in this specification (including any attached claims, abstracts and drawings) can be replaced by alternative features for achieving the same, equivalent or similar purposes. Therefore, unless otherwise explicitly stated, each feature disclosed is only an example of a group of equivalent or similar features.

[0023] Note that, where used, the symbols left, right, front, back, top, bottom, forward, reverse, clockwise and counterclockwise are used only for convenience and do not imply any specific fixed direction. In fact, they are used to reflect the relative position and / or direction between the various parts of the object. In addition, the terms "first" and "second" are used only for descriptive purposes and should not be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Note that, in the case of use, further, preferably, further and more preferably are simple beginnings for explaining another embodiment based on the previous embodiment, and the content of further, preferably, further or more preferably followed by the above embodiment is combined with the previous embodiment as a complete composition of another embodiment. Several further, preferably, further or more preferably settings followed by the same embodiment can be arbitrarily combined to form another embodiment.

[0026] The present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments. Note that the aspects described below in conjunction with the accompanying drawings and specific embodiments are only exemplary and should not be construed as limiting the scope of protection of the present invention.

[0027] The power supply system of modern automobiles is relatively complex. The power supply of some power supply systems provides a voltage of 12V~24V, and the power supply of some power supply systems provides a voltage of 24V~48V. As the internal functions of the vehicle increase, the number of electrical appliances in the vehicle increases, which in turn leads to complex power consumption of the vehicle. How to achieve vehicle power supply voltage conversion without increasing the power supply is a technical problem that needs to be solved in this field. In view of this, the present application provides a transformer power supply system and a vehicle for a vehicle, which can achieve vehicle power supply voltage conversion without increasing the power supply.

[0028] An exemplary transformer power supply system for a vehicle is as follows:

[0029] Figure 1 Shown is a schematic structural diagram of a transformer power supply system for a vehicle provided in one embodiment of the present application. Figure 3 FIG. 1 is a schematic diagram of a transformer power supply system for a vehicle provided by another embodiment of the present application. The present application provides a transformer power supply system for a vehicle. In one embodiment, as Figure 1 and Figure 3 As shown, the transformer power supply system for a vehicle includes: an automobile insurance module 1, a transformer module 2 and a power supply module 3. The automobile insurance module 1 includes an electrical input terminal 101 and a plurality of branch power supply circuits 102, the branch power supply circuits 102 are electrically connected to the electrical input terminal 101, and at least one electrical output terminal 103 is provided on the branch power supply circuit 102. There is at least one transformer module 2, and the transformer module 2 is arranged on the branch power supply circuit 102 to transform the output voltage of the corresponding electrical output terminal 103. The power supply module 3 is electrically connected to the electrical output terminal 103, and the power supply module 3 includes at least one power supply circuit 301, and the power supply circuit 301 is electrically connected to the electrical appliance 4.

[0030] In this embodiment, the electrical input terminal 101 can divide the electric energy into a plurality of branch power supply circuits 102, and the branch power supply circuits 102 then transmit the electric energy to the power supply module 3, and the power supply module 3 can divide the electric energy into a plurality of power supply circuits 301 for use by the electrical appliances 4. The transformer module 2 can adopt an existing boost module or buck module, and can boost or buck the electric energy of the electrical input terminal 101 without increasing the power supply, so as to supply electricity to the electrical appliances on the power output terminal 103. After boosting, the cross-sectional area of ​​the wire can be appropriately reduced, thereby reducing the cost of the wire, reducing the volume occupied by the wire, and reducing the difficulty of installation.

[0031] In one embodiment, the transformer module 2 includes a transformer input terminal and a transformer output terminal, and the transformer module 2 is connected in series in the branch power supply circuit 102 through the transformer input terminal and the transformer output terminal. Specifically, the branch power supply circuit 102 is provided with a section of vacant disconnected circuit, and the transformer module 2 is connected in series in the section of disconnected circuit; or other common series connection methods can also be adopted.

[0032] Figure 2 FIG. 1 is a schematic diagram of a boost converter according to an embodiment of the present invention. Figure 2 As shown, the transformer module 2 includes a boost converter, which includes a first V in terminal and the first V out Terminal, first V in The terminal is used as the transformer input terminal, the first V out The terminal is used as the transformer output terminal, and the boost converter uses the first V in terminal and the first V out The terminals are connected in series in the branch power supply circuit 102. in The corresponding input voltage of the terminal is any value between 12V and 24V. out The corresponding output voltage of the terminal is any value between 24V and 48V. In this embodiment, the boost converter boosts the voltage. The specific model can be the LT8302 boost converter or a boost converter with equivalent functions. The boost converter can boost any voltage between 12V and 24V to any voltage between 24V and 48V. In one embodiment, if Figure 2 As shown, the transformer power supply system for vehicles further comprises a fuse module 5, which is connected in series to the transformer output end. When a short circuit or other circuit failure occurs, the fuse module can act as a fuse.

[0033] In one embodiment, if Figure 3 As shown, the transformer power supply system for a vehicle further includes a step-down module 6, which is arranged on the power supply module 3 and is used to reduce the voltage of one or more power supply circuits 301. When this embodiment is used, low voltage can be provided for some electrical appliances 4 that do not require high voltage electricity, without the need for separate low voltage power supply, thereby improving the power supply flexibility of the entire transformer power supply system.

[0034] In one embodiment, the buck module 6 includes a buck converter, which is connected in series to the power supply circuit 301. The buck converter includes a buck input terminal and a buck output terminal, the corresponding input voltage of the buck input terminal is any value from 24V to 48V, and the corresponding output voltage of the buck output terminal is any value from 12V to 24V. Specifically, the buck converter can adopt a common buck converter on the market, so as to buck any voltage from 24V to 48V to any voltage from 12V to 24V.

[0035] In one embodiment, the branch power supply circuit 102 includes a copper busbar, which is electrically connected between the power input terminal 101 and the power output terminal 103, and the transformer module 2 is connected in series to the copper busbar. Specifically, the entire branch power supply circuit 102 can use the copper busbar, or only part of the branch power supply circuit 102 can use the copper busbar, thereby effectively reducing the resistance of the branch power supply circuit 102.

[0036] In one embodiment, there are multiple power supply modules 3, including an engine compartment electrical box, an instrument compartment electrical box, and a rear electrical box, and each power supply module 3 supplies power to various types of automotive electrical appliances.

[0037] In one embodiment, if Figure 3 As shown, the transformer power supply system for the vehicle further includes a plurality of direct power-consuming electrical appliances 7, which are electrically connected to the power output terminal 103. The plurality of direct power-consuming electrical appliances 7 include a starter and a cooling fan. In this embodiment, the direct power-consuming electrical appliances 7 can be electrically connected to the branch power supply circuit 102 provided with the transformer module 2, so as to directly obtain high voltage electricity; the direct power-consuming electrical appliances 7 can also be electrically connected to the branch power supply circuit 102 without the transformer module 2, so as to directly obtain non-boosted electric energy.

[0038] Figure 4 FIG. 1 is a schematic diagram of a transformer power supply system for a vehicle provided by another embodiment of the present application. Figure 4 As shown, the voltage conversion module 2 includes a buck converter, and the buck converter includes a second V in Terminal and second V out Terminal, second V in The terminal is used as the transformer input terminal, and the second V out The terminal is used as the transformer output terminal, and the buck converter uses the second V in Terminal and second V out The terminals are connected in series in the branch power supply circuit 102. in The corresponding input voltage of the terminal is any value between 24V and 48V. out The corresponding output voltage of the terminal is any value between 12V and 24V. The transformer power supply system for the vehicle further includes a boost module 8, which is arranged on the power supply module 3. In this embodiment, the buck converter steps down the voltage, and the buck converter can step down any voltage between 24V and 48V to any voltage between 12V and 24V. A boost module 8 is then arranged for some power supply modules 3 that require high voltage electricity, so as to supply power to electrical appliances 4 that require high voltage electricity.

[0039] In some embodiments, the battery delivers 12V electric energy to the electric input terminal 101, and a transformer module 2 is provided on all branch power supply circuits 102, that is, all electric output terminals 103 output 48V high voltage electricity. A step-down module 6 is provided in the power supply module 3 corresponding to some electrical appliances 4 that require 12V, so as to provide 12V low voltage electricity for the low voltage electrical appliances 4. In some embodiments, a transformer module 2 is provided on some branch power supply circuits 102, that is, some electrical output terminals 103 output 48V high voltage electricity.

[0040] In some embodiments, a transformer module 2 is provided on a branch power supply circuit 102 of the automobile insurance module 1, and a 48V high-voltage direct-use electrical appliance 7 (such as a starter and a cooling fan) is directly connected to the branch power supply circuit 102 to provide high-voltage power supply.

[0041] In some embodiments, for example, when the battery connected to the electrical input terminal of the automobile insurance module is powered by 48V, the transformer module 2 uses a buck converter to uniformly step down the output of the electrical output terminal 103, for example, to 12V. A boost module 8 is then provided for some power supply modules 3 that require high voltage electricity, so as to supply power to electrical appliances 4 that require high voltage electricity. Exemplary vehicles are as follows:

[0042] The present application also provides a vehicle, which includes the aforementioned transformer power supply system for the vehicle.

[0043] The basic principles of the present application are described above in conjunction with specific embodiments. However, it should be noted that the advantages, strengths, effects, etc. mentioned in the present application are only examples and not limitations, and it cannot be considered that these advantages, strengths, effects, etc. are required by each embodiment of the present application. In addition, the specific details disclosed above are only for the purpose of illustration and ease of understanding, not for limitation, and the above details do not limit the present application to being implemented by adopting the above specific details.

[0044] The block diagrams of the devices, apparatuses, equipment, and systems involved in this application are only illustrative examples and are not intended to require or imply that they must be connected, arranged, and configured in the manner shown in the block diagram. As will be appreciated by those skilled in the art, these devices, apparatuses, equipment, and systems can be connected, arranged, and configured in any manner. Words such as "including", "comprising", "having", etc. are open words, referring to "including but not limited to", and can be used interchangeably with them. The words "or" and "and" used here refer to the words "and / or" and can be used interchangeably with them, unless the context clearly indicates otherwise. The words "such as" used here refer to the phrase "such as but not limited to", and can be used interchangeably with them.

[0045] It should also be noted that in the apparatus, device and method of the present application, each component or each step can be decomposed and / or recombined. Such decomposition and / or recombination should be regarded as equivalent solutions of the present application.

[0046] The above description of the disclosed aspects is provided to enable any person skilled in the art to make or use the present application. Various modifications to these aspects will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to other aspects without departing from the scope of the present application. Therefore, the present application is not intended to be limited to the aspects shown herein, but rather to the widest scope consistent with the principles and novel features of this utility model.

[0047] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A transformer power supply system for a vehicle, characterized in that: include: An automobile insurance module (1), the automobile insurance module (1) comprising an electrical input terminal (101) and a plurality of branch power supply circuits (102), the branch power supply circuits (102) being electrically connected to the electrical input terminal (101), and the branch power supply circuits (102) being provided with at least one electrical output terminal (103); at least one voltage transformation module (2), the voltage transformation module (2) being arranged on the branch power supply circuit (102) to transform the output voltage of the corresponding electrical output terminal (103); and A power supply module (3) is electrically connected to the electrical output terminal (103); the power supply module (3) comprises at least one power supply circuit (301); the power supply circuit (301) is electrically connected to the electrical appliance (4).

2. The voltage conversion power supply system for a vehicle according to claim 1, characterized in that: The transformer module (2) comprises a transformer input end and a transformer output end, and the transformer module (2) is connected in series in the branch power supply circuit (102) via the transformer input end and the transformer output end.

3. The voltage conversion power supply system for a vehicle according to claim 2, characterized in that: The voltage conversion module (2) comprises a boost converter, wherein the boost converter comprises a first V in terminal and the first V out terminal, the first V in terminal as the transformer input terminal, the first V out The terminal is used as the transformer output terminal, and the boost converter uses the first V in terminal and the first V out The terminals are connected in series in the branch power supply circuit (102); Among them, the first V in The corresponding input voltage of the terminal is any value between 12V and 24V. out The corresponding output voltage of the terminal is any value between 24V and 48V.

4. The voltage conversion power supply system for a vehicle according to claim 2, characterized in that: The voltage conversion module (2) comprises a buck converter, wherein the buck converter comprises a second V in terminal and the second V out terminal, the second V in terminal as the transformer input terminal, the second V out The terminal is used as the transformer output terminal, and the buck converter uses the second V in terminal and the second V out The terminals are connected in series in the branch power supply circuit (102); Among them, the second V in The corresponding input voltage of the terminal is any value between 24V and 48V. out The corresponding output voltage of the terminal is any value between 12V and 24V; The voltage conversion power supply system for a vehicle further comprises a boost module (8), wherein the boost module (8) is arranged on the power supply module (3).

5. The voltage conversion power supply system for a vehicle according to claim 2, characterized in that: Also includes: A fuse module (5), the fuse module (5) being connected in series to the transformer output end.

6. The voltage conversion power supply system for a vehicle according to claim 1, characterized in that: Also includes: A voltage reduction module (6) is arranged on the power supply module (3), and the voltage reduction module (6) is used to reduce the voltage of one or more power supply circuits (301).

7. The voltage conversion power supply system for a vehicle according to claim 1, characterized in that: The branch power supply circuit (102) comprises: A copper busbar, the copper busbar being electrically connected between the electrical input end (101) and the electrical output end (103), and the transformer module (2) being connected in series to the copper busbar.

8. The voltage conversion power supply system for a vehicle according to claim 1, characterized in that: The power supply modules (3) are multiple in number, and the multiple power supply modules (3) include an engine compartment electrical box, an instrument compartment electrical box, and a rear electrical box.

9. The voltage conversion power supply system for a vehicle according to claim 1, characterized in that: Also includes: A plurality of direct-power-consuming electrical appliances (7), wherein the direct-power-consuming electrical appliances (7) are electrically connected to the electrical output terminal (103); The plurality of direct electrical appliances (7) include a starter and a cooling fan.

10. A vehicle, characterized in that: include: A transformer power supply system for a vehicle as claimed in any one of claims 1 to 9.

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