Coaxial bridge controller structure for low-speed electric vehicle

Abstract

The utility model discloses a coaxial bridge controller structure for a low-speed electric vehicle, which comprises a three-phase power module and a control panel, and the control panel is arranged at the top of the side surface of the three-phase power module. And a capacitor structure is mounted at the edge position of the top of the control panel. The top of the side surface of the three-phase power module is provided with an insertion spring structure. According to the coaxial axle controller structure for the low-speed electric vehicle, the occupied space of a product is reduced, the motor, the speed reducer and the electric control are deeply integrated into a whole, the arrangement space of a drive axle in the whole vehicle is saved, the system stability and reliability are improved, the wire harness between the motor and the controller is shortened through the three-in-one design of the motor, the speed reducer and the electric control, and the cost is reduced. The motor, the speed reducer and the electric controller are designed in a three-in-one mode, a motor shell is shared, use of assembling screws is reduced, and the total cost of the product is integrally reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric car structure technical field, concretely is a kind of coaxial bridge controller structure for low-speed electric vehicle. BACKGROUND

[0002] At present, with the continuous development and progress of new energy technology, various electric products are also emerging, and electric vehicles are one of the more representative products.

[0003] For low-speed electric vehicle, coaxial bridge controller is a relatively important structure, to control the operation of electric vehicle, the output mechanism of the mainstream low-speed vehicle drive axle product of manufacturer on market is mainly divided into two kinds of technical routes:

[0004] One is motor reducer two-in-one plus single electric control architecture;

[0005] The other is motor reducer controller three-in-one architecture;

[0006] Of course, no matter which control mode has its own advantages, but from the long-term point of view, whether to improve product reliability and reduce cost dimension, the inevitable trend of three-in-one technology development with more compact structure.

[0007] The output mechanism of the mainstream low-speed electric vehicle drive axle is coaxially arranged, and the eccentric reducer motor two-in-one structure is mostly used, which has the advantages of fewer parts, simple assembly and low cost compared with other two-in-one arrangement schemes, and on this basis, the integrated electric control module, how to minimize the size of the product, improve the adaptability of the product on the whole vehicle, reduce the cost, is a problem to be improved and solved, the coaxial eccentric reducer motor two-in-one of low-speed vehicle drive axle, in the design process of integrated electric control, in addition to considering the arrangement, assembly, heat dissipation and other basic requirements of power module, the size of its appearance size, manufacturing cost also need to be considered, so that each requirement condition remains balanced.

[0008] Therefore, we propose a coaxial bridge controller structure for low-speed electric vehicle to solve and make up for the above problems and defects. CONTENT OF THE UTILITY MODEL

[0009] The utility model aims at providing a coaxial bridge controller structure for low-speed electric vehicle to solve the problems raised in the above background technology.

[0010] To achieve the above object, the utility model provides the following technical scheme:

[0011] A coaxial bridge controller structure for low-speed electric vehicle includes three-phase power module and control board, and the control board is installed at the top position of the side surface of the three-phase power module.

[0012] The edge position of the top of the control board is provided with a capacitor structure.

[0013] The top of the side of the three-phase power module is provided with a spring inserting structure.

[0014] Preferably, the top of the spring inserting structure is inserted with a conductive column in a penetrating mode, and the top of the conductive column is sleeved with a conductive sheet.

[0015] Preferably, the capacitor structure is installed in butt joint with the conductive sheet through a wire, and the capacitor structure is electrically connected with the conductive column through the wire and the conductive sheet.

[0016] Preferably, the three-phase power module mainly comprises three modules of motors U, V and W, the three modules are designed in a split board structure, and the three modules are identical.

[0017] Preferably, the side of the control board is provided with an adapter plate, and the side of the adapter plate is provided with a plug structure which is installed in butt joint with the outside.

[0018] Preferably, the top of the control board is further provided with a circuit board structure of the whole circuit, and the circuit board structure is electrically connected with the capacitor structure.

[0019] Preferably, the capacitor structure, the conductive column, the spring inserting structure and the adapter plate are installed and fixed through glue pouring.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] 1. The coaxial bridge controller structure for low-speed electric vehicles reduces the occupied space of products, integrates the motor, the speed reducer and the electric control in three-in-one, saves the layout space of the drive axle in the whole vehicle, and improves the stability and reliability of the product.

[0022] 2. The coaxial bridge controller structure for low-speed electric vehicles improves the stability and reliability of the product, shortens the wire harness between the motor and the controller, and improves the stability and reliability of the product.

[0023] 3. The coaxial bridge controller structure for low-speed electric vehicles reduces the product cost, integrates the motor, the speed reducer and the electric control in three-in-one, shares the motor shell, reduces the use of assembly screws, and reduces the total cost of the product. DRAWINGS

[0024] Figure 1 It is a structural schematic view of the utility model;

[0025] Figure 2 It is a three-phase power module structural schematic view of the utility model;

[0026] Figure 3 It is a control board structure schematic view of the utility model;

[0027] Figure 4 It is the schematic view of the plug spring structure of the utility model.

[0028] In the figure: 1, three-phase power module; 2, control board; 3, capacitor structure; 4, plug spring structure; 5, conductive column; 6, adapter plate. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0030] Referring to Figures 1-4 The utility model provides a kind of coaxial bridge controller structure technical scheme for low-speed electric vehicle:

[0031] Embodiment:

[0032] A kind of coaxial bridge controller structure for low-speed electric vehicle, it mainly includes three-phase power module 1 and control board 2, control board 2 is installed in the top position of the side of three-phase power module 2.

[0033] Among them, three-phase power module mainly includes motor U, V, W three item module structure, mainly with the design of subboard structure, is divided into three, and the three are same. Subboard and the design and assembly usage mode of three identical structures are mainly used to adapt to subsequent batch production, to improve production efficiency and supply and demand.

[0034] Among them, plug spring structure 4 is installed in the top position of the side of three-phase power module 1, and conductive column 5 is installed in the inner cavity of plug spring structure 4. The electric connection in the technical scheme adopts the plug-in mode design and use of plug spring structure 4 and conductive column 5, which can reduce the assembly space in the actual assembly and installation process.

[0035] Among them, control board 2 bottom side edge position is installed by butt joint with conductive column 5 through conductive sheet.

[0036] Among them, adapter plate 6 is installed in the side position of control board 2 through fastener, and plug connector structure for external output is arranged on the side of adapter plate 6. External output in the technical scheme adopts adapter plate 6 transition, which can adapt to different projects adjustment in actual use and installation, to achieve a certain degree of compatibility.

[0037] The capacitor structure 3 is installed equidistantly at the top edge position of the control board 2, and is electrically connected with the conductive column 5 through the conductive sheet.

[0038] In the embodiment, the capacitor structure 3 and the control circuit are integrated on the control board, so that the fixing and assembling problems caused by too many sub-boards are reduced, and the product size is further reduced.

[0039] The external output is transitioned through the adapter plate 6, so that different projects can be adjusted, and compatibility is achieved to a certain extent.

[0040] The overall structure is assembled without screws, and the internal heating device is filled with glue, so that the cost is reduced.

[0041] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "set", "mount", "connect" and "connect" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A coaxial bridge controller structure for low-speed electric vehicles, comprising a three-phase power module (1) and a control board (2), characterized in that: The control panel (2) is installed at the top of the side of the three-phase power module (1); The capacitor structure (3) is installed at the edge of the top of the control panel (2); The spring structure (4) is installed at the top of the side of the three-phase power module (1).

2. A coaxial bridge controller structure for low speed electric vehicle according to claim 1, characterized in that: The conductive column (5) is inserted through the top of the spring structure (4), and the top of the conductive column (5) is sleeved with a conductive sheet.

3. A coaxial bridge controller structure for low speed electric vehicle according to claim 1, characterized in that: The capacitor structure (3) is installed through wires and a conductive sheet, and is electrically connected to the conductive column (5) through wires and a conductive sheet.

4. A coaxial bridge controller structure for low speed electric vehicle according to claim 1, characterized in that: The three-phase power module (1) mainly includes motor U, V, and W modules, which are designed in a split board structure and are identical.

5. A coaxial bridge controller structure for low speed electric vehicle according to claim 1, characterized in that: The control panel (2) is installed at the side of the three-phase power module (1), and the top of the control panel (2) is installed with a circuit board structure of the entire circuit, which is electrically connected to the capacitor structure (3).

6. A coaxial bridge controller structure for low speed electric vehicle according to claim 1, characterized in that: The capacitor structure (3), the conductive column (5), the spring structure (4), and the adapter board (6) are installed and fixed by pouring glue.

7. A coaxial bridge controller structure for low speed electric vehicle according to claim 1, characterized in that: ​

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