A controller structure for electric vehicle

Abstract

The utility model discloses a controller structure for electric vehicles, including a shell, a circuit board and a communication module, wherein the communication module is electrically connected to the circuit board, and further includes an input-output module, a three-phase line connector and a Hall module. The shell is provided with a mounting notch and a limiting hole, the circuit board is arranged in the shell, one end of the three-phase line connector is provided with a plug connector, the other end of the three-phase line connector is provided with a first connecting wire, the first connecting wire penetrates from the mounting notch and is electrically connected to the circuit board, the input-output module penetrates from the mounting notch and is plugged into the circuit board; a fixing plate is provided on the shell, a second connecting wire is provided on the Hall module, the second connecting wire penetrates from the fixing plate and is inserted into the limiting hole, and the second connecting wire is electrically connected to the circuit board. The three-phase line connector improves the simplicity of wiring between the motor and the three-phase AC power supply; the fixing of the wiring harness is achieved by the mounting notch, the shell, the limiting hole and the fixing plate, and the regularity of the wiring is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle electrical appliances, in particular to a controller structure for an electric vehicle. Background Art

[0002] The controller is an electrical appliance commonly used in electric vehicles. In the prior art, the controller includes a shell, a circuit board, a communication module, a three-phase line module and other electronic components. When connecting the three-phase line module to the wiring harness on the motor, it is necessary to connect the three-phase line module to the wiring harness on the motor, and the wiring is relatively cumbersome. At the same time, due to the lack of a limiting structure on the shell, the wiring of the wiring harness on the circuit board, the communication module, the three-phase line module and other electronic components is relatively messy, making the wiring work of the wiring harness on the electronic components more difficult, so it is necessary to improve this. Summary of the invention

[0003] The utility model aims at the defects in the prior art that the wiring of electronic components such as three-phase line modules on the controller is relatively messy, and provides a new controller structure for electric vehicles.

[0004] In order to solve the above technical problems, the utility model is implemented through the following technical solutions:

[0005] A controller structure for an electric vehicle comprises a shell, a circuit board and a communication module, wherein the communication module is plugged into the circuit board and electrically connected to the circuit board, and further comprises an input-output module, a three-phase line connector and a Hall module, wherein the shell is provided with an installation notch and a limiting hole, the circuit board is arranged in the shell, a plug connector is arranged at one end of the three-phase line connector, a first connecting wire is arranged at the other end of the three-phase line connector, the first connecting wire penetrates through the installation notch and is electrically connected to the circuit board, and the input-output module penetrates through the installation notch and is plugged into the circuit board; a fixing plate is arranged on the shell, a second connecting wire is arranged on the Hall module, the second connecting wire penetrates through the fixing plate and is inserted into the limiting hole, and the second connecting wire is electrically connected to the circuit board.

[0006] The shell body protects the circuit board and the wiring harness connected to the circuit board. The three-phase line connector enables the motor to be connected to the three-phase AC power supply by plugging and placing, thereby improving the convenience of wiring the motor to the three-phase AC power supply. The installation notch and the shell body cooperate with each other to facilitate the installation and fixation of the input and output module and the first connecting line. The limiting hole and the wire fixing plate enable the wiring and fixation of the second connecting line, thereby improving the regularity of the controller wiring and facilitating the wiring work and subsequent line maintenance work. The input and output module can provide the motor with the corresponding voltage and current for charging. The circuit board, communication module and Hall module can detect the motor rotor position and speed, thereby realizing data communication between the motor and the circuit board and improving the efficiency and reliability of the motor.

[0007] Preferably, in the above-described controller structure for an electric vehicle, a plurality of fixing plates are arranged on the shell, a fixing area is formed between adjacent fixing plates, the three-phase line connector is inserted into the fixing area and plug-fitted with the fixing plate; at least two buckle plates are also arranged on the shell, the Hall module is inserted between adjacent buckle plates and plug-fitted with the buckle plates.

[0008] The three-phase line connector and the Hall module are limited by the fixing plate and the buckle plate, which facilitates the installation and replacement of the three-phase line connector and the Hall module.

[0009] Preferably, in the above-mentioned electric vehicle controller structure, a clearance groove is provided on the fixing plate, and the clearance groove is connected to the fixing area.

[0010] The setting of the clearance groove provides a clearance space for the installer, making it convenient for the installer to insert his fingers into the clearance groove, thereby facilitating the placement of the three-phase line connector into the fixed area or taking it out from the fixed area.

[0011] Preferably, in the above-described controller structure for an electric vehicle, the shell includes an upper shell and a lower shell, the lower shell covers the upper shell and surrounds an installation area, the circuit board is arranged in the installation area, and the circuit board divides the installation area into an upper cavity and a lower cavity; the installation notch is connected to the installation area.

[0012] The sealing protection strength of the circuit board can be enhanced by pouring glue into the upper cavity and the lower cavity, which prevents the circuit board from generating electrical short circuits during operation and prolongs the service life of the circuit board. The setting of the upper cavity and the lower cavity increases the gap between the upper surface and the lower surface of the circuit board and the shell, which not only facilitates the wiring of electronic components such as three-phase line connectors to the circuit board, but also facilitates the heat dissipation of the circuit board.

[0013] Preferably, in the above-described controller structure for an electric vehicle, an exposed area is formed on the upper shell, a MOS tube is arranged in the exposed area, a clamping groove is formed at the end of the lower shell, one end of the MOS tube is inserted into the clamping groove and plugged into the circuit board, and the MOS tube abuts against the clamping groove.

[0014] The MOS tube is installed in the exposed area so that the lower surface of the MOS tube is exposed, which facilitates heat dissipation when the MOS tube is working. The MOS tube is pressed by the pressing groove, which improves the stability of the MOS tube when it is plugged and fixed on the circuit board.

[0015] Preferably, the above-mentioned controller structure for electric vehicles further comprises a heat conducting plate arranged in the exposed area, and the heat conducting plate is detachably arranged on the outer surface of the MOS tube away from the upper shell.

[0016] The setting of the heat conducting plate can transfer the heat generated by the MOS tube to other places in time, effectively protecting the MOS tube, thereby reducing the loss and increasing the service life of the MOS tube.

[0017] Preferably, in the above-described controller structure for an electric vehicle, a plug-in slot is provided on the upper shell, a snap-in block is provided on the inner side wall of the plug-in slot, a plug-in board is provided on the lower shell, a snap-in hole is passed through the plug-in board, the plug-in board is inserted into the plug-in slot, and the snap-in block passes through the snap-in hole and is snap-fitted.

[0018] The upper shell and the lower shell are limited and fixed by the plug-in cooperation between the plug-in slot and the plug-in board, which facilitates the insertion of the clamping block from the clamping hole. The clamping cooperation between the clamping block and the clamping hole further improves the stability of the connection between the upper shell and the lower shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the exposed area and the heat conducting plate of the utility model;

[0021] Figure 3 This is a schematic diagram of the explosion structure behind the hidden shell of the utility model;

[0022] Figure 4 It is a cross-sectional view showing the installation area and the limiting holes in the utility model;

[0023] Figure 5 It is a schematic diagram of the explosion structure of the upper shell and the lower shell in the utility model. DETAILED DESCRIPTION

[0024] The following is combined with Figure 1-5 The present invention is further described in detail with the following specific embodiments, but they are not intended to limit the present invention:

[0025] Example 1

[0026] like Figure 1-Figure 5As shown, a controller structure for an electric vehicle includes a shell 1, a circuit board 2 and a communication module 3, wherein the communication module 3 is plugged into the circuit board 2 and electrically connected to the circuit board 2, and further includes an input-output module 4, a three-phase line connector 5 and a Hall module 6. The shell 1 is provided with a mounting notch 10 and a limiting hole 11, the circuit board 2 is arranged in the shell 1, one end of the three-phase line connector 5 is provided with a plug connector 51, and the other end of the three-phase line connector 5 is provided with a first connecting wire 52, the first connecting wire 52 penetrates from the mounting notch 10 and is electrically connected to the circuit board 2, and the input-output module 4 penetrates from the mounting notch 10 and is plugged into the circuit board 2; a fixing plate 12 is provided on the shell 1, and a second connecting wire 61 is provided on the Hall module 6, the second connecting wire 61 penetrates from the fixing plate 12 and is inserted into the limiting hole 11, and the second connecting wire 61 is electrically connected to the circuit board 2.

[0027] Preferably, a plurality of fixing plates 13 are provided on the shell 1, and a fixing area 131 is formed between adjacent fixing plates 13, and the three-phase line connector 5 is inserted into the fixing area 131 and plugged into and matched with the fixing plate 13; at least two buckle plates 14 are also provided on the shell 1, and the Hall module 6 is inserted between adjacent buckle plates 14 and plugged into and matched with the buckle plates 14.

[0028] Preferably, a clearance groove 132 is formed on the fixing plate 13 , and the clearance groove 132 is communicated with the fixing area 131 .

[0029] Preferably, the shell 1 includes an upper shell 15 and a lower shell 16, the lower shell 16 covers the upper shell 15 and surrounds an installation area 150, the circuit board 2 is arranged in the installation area 150, and the circuit board 2 divides the installation area 150 into an upper cavity 1501 and a lower cavity 1502; the installation notch 10 is connected to the installation area 150.

[0030] Preferably, an exposed area 151 is formed on the upper shell 15, and a MOS tube 7 is arranged in the exposed area 151. A clamping groove 161 is opened at the end of the lower shell 16. One end of the MOS tube 7 passes through the clamping groove 161 and is plugged into the circuit board 2, and the MOS tube 7 is abutted against the clamping groove 161.

[0031] Preferably, the heat conducting plate 8 is arranged in the exposed area 151 , and the heat conducting plate 8 is detachably arranged on the outer surface of the MOS tube 7 away from the upper shell 15 .

[0032] Preferably, the upper shell 15 is provided with a plug-in slot 152, and a snap-in block 153 is provided on the inner side wall of the plug-in slot 152. The lower shell 16 is provided with a plug-in board 162, and a snap-in hole 163 is passed through the plug-in board 162. The plug-in board 162 is inserted into the plug-in slot 152, and the snap-in block 153 passes through the snap-in hole 163 and is snap-fitted.

[0033] Specifically, Figure 1-Figure 4 As shown, an upper abutting block and a lower step protruding inward are integrally formed on the inner side wall of the upper shell 15, and the upper abutting block and the lower step are distributed from top to bottom along the height direction, and the upper abutting block and the lower step are arranged at intervals. The lower end of the fixing plate 13 extends into the installation area 150, and the end of the circuit board 2 is inserted between the upper abutting block and the lower step. The upper surface of the circuit board 2 abuts against the upper abutting block and the lower end of the fixing plate 13, and the lower surface of the circuit board 2 abuts against the lower step. At this time, the circuit board 2 can be clamped in the upper shell 15.

[0034] More specifically, Figure 1 , Figure 3 and Figure 4 As shown, the fixing plates 13 are distributed on the upper surface of the upper shell 15, and there are four fixing plates 13. When fixing the three-phase line connector 5 on the circuit board 2, first insert the three-phase line connector 5 into the fixing area 131 and place the first connecting line 52 toward the installation notch 10, and then insert the first connecting line 52 through the installation notch 10 and connect it to the circuit board 2. At this time, the fixation and line connection of the three-phase line connector 5 are completed, and the three-phase line connector 5 can be electrically connected to the motor on the electric vehicle through the plug connector 51.

[0035] like Figure 1 , Figure 2 and Figure 5 As shown, in the embodiment of the present application, the fixing plate 12 is L-shaped and there are two fixing plates 12, the fixing plate 12 is fixed on the outer side wall of the upper shell 15, and there is a large gap between the fixing plate 12 and the upper shell 15. The upper shell 15 is also integrally formed with an extension block that is opposite to the fixing plate 12, and the extension block and the fixing plate 12 extend in the height direction.

[0036] like Figure 2 , Figure 4 and Figure 5 As shown, a U-shaped block extending downward is integrally formed on the upper shell 15, and an insertion slot is provided on the lower shell 16. The insertion slot is U-shaped. When the upper shell 15 is buckled on the lower shell 16, the U-shaped block is inserted into the insertion slot and surrounds the limiting hole 11. There are multiple plug-in boards 162 and plug-in slots 152, and the plug-in boards 162 and the plug-in slots 152 are distributed on the circumferential side wall of the housing 1.

[0037] When installing the Hall module 6 and the MOS tube 7, first fix the Hall module 6 through the buckle plate 14, then insert and fix the second connecting wire 61 between the fixing plate 12 and the upper shell 15 and the extension block, then pass the second connecting wire 61 through the U-shaped block and connect it to the circuit board 2, place the MOS tube 7 in the exposed area 151 and plug the pins on the MOS tube 7 into the circuit board 2, then the Hall module 6 and the MOS tube 7 can be electrically connected to the circuit board 2.

[0038] Finally, align the plug-in board 162 with the corresponding plug-in slot 152, move the upper shell 15 downward until the clamping block 153 is inserted into the clamping hole 163, and then the upper shell 15 can be installed on the lower shell 16, clamp the second connecting wire 61 in the limiting hole 11, and the lower shell 16 presses the MOS tube 7 onto the circuit board 2 through the clamping groove 161.

[0039] like Figure 1 , Figure 2 As shown, a semi-square groove is formed on the lower shell 16. When the upper shell 15 is buckled on the lower shell 16, the semi-square groove is connected to the installation area 150. The communication module 3 is placed in the semi-square groove and plugged into the circuit board 2, so that the communication module 3 can be semi-enclosed and protected.

[0040] The mounting notches 10 are distributed on the lower shell 16 , and the mounting notches 10 are connected to the mounting area 150 . When installing the input / output module 4 , the input / output module 4 is inserted through the mounting notches 10 and plugged into the circuit board 2 , thereby facilitating the installation and fixation of the input / output module 4 .

[0041] The controller is often used in conjunction with a motor. The circuit board 2 is protected by the housing 1. The speed and torque output of the motor can be adjusted by controlling the shutdown state of the MOS tube 7. The external motor can be connected to a three-phase AC power supply through a three-phase line connector 5. The motor can be charged with corresponding voltage and current through an input and output module 4. The motor rotor position and speed can be detected through the circuit board 2, the communication module 3, and the Hall module 6, thereby realizing data communication between the motor and the circuit board 2 and improving the efficiency and reliability of the motor.

[0042] In conclusion, the above is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the patent application for the present invention should fall within the scope of the present invention.

Claims

1. A controller structure for an electric vehicle, comprising a housing (1), a circuit board (2) and a communication module (3), wherein the communication module (3) is plugged into the circuit board (2) and electrically connected to the circuit board (2), characterized in that: The invention also comprises an input-output module (4), a three-phase line connector (5) and a Hall module (6); the housing (1) is provided with an installation notch (10) and a limiting hole (11); the circuit board (2) is arranged in the housing (1); one end of the three-phase line connector (5) is provided with a plug connector (51); the other end of the three-phase line connector (5) is provided with a first connecting wire (52); the first connecting wire (52) penetrates through the installation notch (10) and is electrically connected to the circuit board (2); the input-output module (4) penetrates through the installation notch (10) and is plugged into the circuit board (2); a fixing plate (12) is provided on the housing (1); a second connecting wire (61) is provided on the Hall module (6); the second connecting wire (61) penetrates through the fixing plate (12) and is inserted into the limiting hole (11); the second connecting wire (61) is electrically connected to the circuit board (2).

2. The electric vehicle controller structure according to claim 1, characterized in that: The housing (1) is provided with a plurality of fixing plates (13), a fixing area (131) is formed between adjacent fixing plates (13), the three-phase line connector (5) is inserted into the fixing area (131) and is plugged into and matched with the fixing plates (13); the housing (1) is also provided with at least two buckle plates (14), the Hall module (6) is inserted between adjacent buckle plates (14) and is plugged into and matched with the buckle plates (14).

3. The electric vehicle controller structure according to claim 2, characterized in that: The fixing plate (13) is provided with a clearance groove (132), and the clearance groove (132) is communicated with the fixing area (131).

4. The electric vehicle controller structure according to claim 1, characterized in that: The housing (1) comprises an upper shell (15) and a lower shell (16); the lower shell (16) covers the upper shell (15) and surrounds a mounting area (150); the circuit board (2) is arranged in the mounting area (150); the circuit board (2) divides the mounting area (150) into an upper cavity (1501) and a lower cavity (1502); and the mounting notch (10) is connected to the mounting area (150).

5. The electric vehicle controller structure according to claim 4, characterized in that: An exposed area (151) is also formed on the upper shell (15), a MOS tube (7) is arranged in the exposed area (151), a pressing groove (161) is opened at the end of the lower shell (16), one end of the MOS tube (7) passes through the pressing groove (161) and is plugged into the circuit board (2), and the MOS tube (7) abuts against the pressing groove (161).

6. The electric vehicle controller structure according to claim 5, characterized in that: It also comprises a heat conducting plate (8) arranged in the exposed area (151), wherein the heat conducting plate (8) is detachably arranged on the outer surface of the MOS tube (7) facing away from the upper shell (15).

7. The electric vehicle controller structure according to claim 4, characterized in that: The upper shell (15) is provided with a plug-in slot (152), and a snap-in block (153) is provided on the inner side wall of the plug-in slot (152). The lower shell (16) is provided with a plug-in board (162), and a snap-in hole (163) is passed through the plug-in board (162). The plug-in board (162) is inserted into the plug-in slot (152), and the snap-in block (153) passes through the snap-in hole (163) and is snap-fitted.

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