Integrated structure of controller and converter

Abstract

The utility model discloses an integrated structure of a controller and a converter, which comprises a circuit board and a shell covering the circuit board, and further comprises a shielding partition plate arranged on the circuit board, the two ends of the shielding partition plate abut against the inner surface of the shell, the circuit board is divided into a control area and a conversion area by the shielding partition plate, and the control area and the conversion area are arranged on the circuit board. A controller is arranged on the control area, and a converter is arranged on the conversion area. On one hand, the controller and the converter are integrally arranged on the same circuit board, the installation space for installing the controller and the converter in the electric vehicle is reduced, and the cost is reduced, on the other hand, the circuit board is divided into the control area and the conversion area through the shielding partition plate, and the controller and the converter are independently arranged on the two sides of the circuit board; therefore, strong and weak electric signals between the control area and the conversion area are separated conveniently, the strong electric signals of the converter are prevented from influencing control signals of the weak electric part of the controller during working, and the working efficiency and stability of the controller and the converter are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of electronic components, in particular to an integrated structure of a controller and a converter. Background Art

[0002] Converters and controllers are commonly used electrical components in electric vehicles. In the prior art, controllers and converters are often installed separately in electric vehicles. Signal interference is prone to occur between the controller and the converter during operation, thereby affecting the working efficiency of the converter and the controller. Therefore, improvements are needed. Summary of the invention

[0003] The utility model aims at the defects in the prior art that the converter and the controller are prone to signal interference during operation, thereby affecting the working efficiency, and provides a new integrated structure of the controller and the converter.

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

[0005] An integrated structure of a controller and a converter includes a circuit board and a shell covering the outside of the circuit board, and also includes a shielding partition arranged on the circuit board, the two ends of the shielding partition abutting against the inner surface of the shell, the shielding partition separates the circuit board into a control area and a conversion area, the control area is provided with a controller, and the conversion area is provided with a converter.

[0006] On the one hand, the controller and the converter are integrated on the same circuit board, which reduces the installation space of the controller and the converter in the electric vehicle and reduces the cost. On the other hand, the circuit board is separated into a control area and a conversion area by a shielding partition, and the controller and the converter are independently arranged on both sides of the circuit board, so as to facilitate the isolation of strong and weak electrical signals between the control area and the conversion area, avoiding the strong electrical signal of the converter affecting the control signal of the weak electrical part of the controller during operation, thereby improving the working efficiency and stability of the controller and the converter.

[0007] Preferably, in the above-described integrated structure of a controller and a converter, the shell includes an upper shell and a lower shell, and the upper shell and the lower shell are detachably connected; an upper fixing groove is provided on the upper shell, and a lower fixing groove is provided on the lower shell, the upper end of the shielding baffle is inserted into the upper fixing groove, and the lower end of the shielding baffle is inserted into the lower fixing groove.

[0008] The upper fixing groove and the lower fixing groove realize the limitation of the shielding partition in the vertical direction and the front-back direction, thereby improving the stability of the shielding partition installed on the shell; the shielding partition and the shell are plugged in and matched through the upper fixing groove and the lower fixing groove, which has the advantages of simple structure and convenient operation.

[0009] Preferably, in the integrated structure of a controller and a converter described above, a limiting block is arranged in the upper fixed groove, a limiting groove is provided on the shielding partition, the limiting block is inserted into the limiting groove, and the limiting block is adapted to the shape of the limiting groove.

[0010] The limiting block and the limiting groove cooperate with each other to achieve the limiting of the left rear direction of the shielding baffle, thereby further improving the stability of the shielding baffle.

[0011] Preferably, in the integrated structure of a controller and a converter described above, the shielding partition includes an upper plate and a lower plate, the circuit board is penetrated with a plurality of plug-in slots, the upper plate and the lower plate are respectively provided with upper plug-in blocks and lower plug-in blocks, the circuit board is arranged between the upper plate and the lower plate, the upper plug-in blocks and the lower plug-in blocks are inserted into their respective corresponding plug-in slots and abut against the inner side walls of the plug-in slots, the upper plug-in block is pressed against the upper end of the lower plate, and the lower plug-in block is pressed against the lower end of the upper plate.

[0012] On the one hand, the shielding partition is composed of an upper plate and a lower plate, which improves the convenience of assembling the shielding partition and the circuit board. At the same time, the upper plate and the lower plate are clamped on both sides of the circuit board, which improves the stability between the circuit board and the shielding partition. On the other hand, the upper plate and the lower plate are plugged into and matched with the upper plug-in block, the lower plug-in block and the plug-in slot, which further improves the convenience of assembling the shielding partition and the circuit board.

[0013] Preferably, in the integrated structure of the controller and the converter described above, a placement step is provided on the lower shell, and wiring terminals are provided on the circuit board, and the wiring terminals are placed on the placement step.

[0014] The circuit board increases the contact area and tightness with the lower shell through the wiring terminals, further improving the stability of the circuit board placed on the lower shell.

[0015] Preferably, in the integrated structure of the controller and the converter described above, a guide slope is provided on the lower shell, and a fitting surface is provided on the lower plate, and the fitting surface fits with the guide slope.

[0016] The arrangement of the guide slope and the fitting surface increases the bending degree of the connection between the lower plate and the lower shell, thereby increasing the tightness of the lower plate placed on the lower shell.

[0017] Preferably, in the integrated structure of the controller and the converter described above, a glue filling area is provided on the circuit board, and the glue filling area covers the control area and the conversion area.

[0018] The glue filling area facilitates the filling of thermal conductive glue and other colloids, which improves the heat dissipation performance of the circuit board and further improves the overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is an exploded schematic diagram of the overall structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the circuit board, converter and controller of the utility model;

[0021] Figure 3 It is a partial cross-sectional view between the housing, circuit board and shielding partition of the utility model;

[0022] Figure 4 This is a cross-sectional view of the overall structure of the limit block of the utility model;

[0023] Figure 5 It is a structural schematic diagram of the shielding partition of 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 5 As shown, an integrated structure of a controller and a converter includes a circuit board 1 and a shell 2 covering the outside of the circuit board 1, and also includes a shielding partition 3 arranged on the circuit board 1, the two ends of the shielding partition 3 are abutted against the inner surface of the shell 2, and the shielding partition 3 separates the circuit board 1 into a control area 11 and a conversion area 12, the control area 11 is provided with a controller 4, and the conversion area 12 is provided with a converter 5.

[0027] Preferably, the shell 2 includes an upper shell 21 and a lower shell 22, and the upper shell 21 and the lower shell 22 are detachably connected; an upper fixing groove 211 is opened on the upper shell 21, and a lower fixing groove 221 is opened on the lower shell 22, and the upper end of the shielding partition 3 is inserted into the upper fixing groove 211, and the lower end of the shielding partition 3 is inserted into the lower fixing groove 221.

[0028] Preferably, a limiting block 6 is provided in the upper fixing groove 211 , a limiting groove 30 is provided on the shielding baffle 3 , the limiting block 6 is inserted into the limiting groove 30 , and the limiting block 6 is adapted to the shape of the limiting groove 30 .

[0029] Preferably, the shielding partition 3 includes an upper plate 31 and a lower plate 32, and a plurality of plug-in slots 13 are passed through the circuit board 1. An upper plug-in block 311 and a lower plug-in block 321 are respectively provided on the upper plate 31 and the lower plate 32. The circuit board 1 is arranged between the upper plate 31 and the lower plate 32, and the upper plug-in block 311 and the lower plug-in block 321 are inserted into their respective corresponding plug-in slots 13 and abut against the inner side walls of the plug-in slots 13. The upper plug-in block 311 is pressed against the upper end of the lower plate 32, and the lower plug-in block 321 is pressed against the lower end of the upper plate 31.

[0030] Preferably, a placement step 7 is provided on the lower shell 22 , and a wiring terminal 8 is provided on the circuit board 1 , and the wiring terminal 8 is placed on the placement step 7 .

[0031] Preferably, a guide slope 222 is provided on the lower shell 22 , and a fitting surface 322 is provided on the lower plate 32 , and the fitting surface 322 fits with the guide slope 222 .

[0032] Preferably, a glue filling area is provided on the circuit board 1 , and the glue filling area covers the control area 11 and the conversion area 12 .

[0033] Specifically, Figure 2 , Figure 4 and Figure 5 As shown, in the embodiment of the present application, there are two plug-in slots 13, which extend along the width direction of the circuit board 1 and are separated along the width direction of the circuit board 1. An upper plug-in block 311 is provided at the lower end of the upper plate 31, and a lower plug-in block 321 is provided at the upper end of the lower plate 32. The upper plug-in block 311 is inserted into the plug-in slot 13 close to the placement step 7, and the lower plug-in block 321 is inserted into another plug-in slot 13, and the tops of the upper plug-in block 311 and the lower plug-in block 321 are flush with the surface of the circuit board 1.

[0034] More specifically, Figure 1-Figure 5 As shown, when assembling the shielding partition 3 with the circuit board 1 and the lower shell 22, first inject glue into the lower fixing groove 221, then align the lower plate 32 with the lower fixing groove 221 and insert the lower plate 32 into the lower fixing groove 221, then put the circuit board 1 on the lower plug-in block 321 through the plug-in groove 13 on the right side, place the lower end of the terminal 8 on the placement step 7, and then insert the upper plug-in block 311 into the plug-in groove 13 on the left side of the circuit board 1. At this time, the upper plate 31 and the lower plate 32 are fitted together through the upper plug-in block 311 and the lower plug-in block 321.

[0035] like Figure 2-Figure 5As shown, in the embodiment of the present application, the glue filling area covers the control area 11 and the conversion area 12. Before installing the upper shell 21, the thermal conductive glue is first poured into the glue filling area, and the glue is injected into the upper fixing groove 211. After the thermal conductive glue is cooled and solidified, the upper shell 21 and the lower shell 22 are aligned and snapped together. At this time, the limit block 6 is inserted into the limit groove 30, and the upper end of the upper plate 31 is inserted into the upper fixing groove 211. Finally, the upper shell 21 is fixed to the lower shell 22 by fasteners. At this time, the assembly and fixation of the shielding partition 3, the circuit board 1, and the shell 2 are completed.

[0036] 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. An integrated structure of a controller and a converter, comprising a circuit board (1) and a housing (2) covering the outside of the circuit board (1), characterized in that: It also includes a shielding partition (3) arranged on the circuit board (1), the two ends of the shielding partition (3) abutting against the inner surface of the shell (2), the shielding partition (3) dividing the circuit board (1) into a control area (11) and a conversion area (12), the control area (11) being provided with a controller (4), and the conversion area (12) being provided with a converter (5).

2. The integrated structure of a controller and a converter according to claim 1, characterized in that: The shell (2) comprises an upper shell (21) and a lower shell (22), and the upper shell (21) and the lower shell (22) are detachably connected; an upper fixing groove (211) is provided on the upper shell (21), and a lower fixing groove (221) is provided on the lower shell (22); the upper end of the shielding baffle (3) is inserted into the upper fixing groove (211), and the lower end of the shielding baffle (3) is inserted into the lower fixing groove (221).

3. The integrated structure of a controller and a converter according to claim 2, characterized in that: A limiting block (6) is arranged in the upper fixing groove (211), a limiting groove (30) is provided on the shielding baffle (3), the limiting block (6) is inserted into the limiting groove (30), and the limiting block (6) is adapted in shape to the limiting groove (30).

4. The integrated structure of a controller and a converter according to claim 2, characterized in that: The shielding baffle (3) comprises an upper plate (31) and a lower plate (32); a plurality of plug-in slots (13) are passed through the circuit board (1); an upper plug-in block (311) and a lower plug-in block (321) are respectively provided on the upper plate (31) and the lower plate (32); the circuit board (1) is arranged between the upper plate (31) and the lower plate (32); the upper plug-in block (311) and the lower plug-in block (321) are inserted into their respective corresponding plug-in slots (13) and abut against the inner side walls of the plug-in slots (13); the upper plug-in block (311) is pressed against the upper end of the lower plate (32); and the lower plug-in block (321) is pressed against the lower end of the upper plate (31).

5. The integrated structure of a controller and a converter according to claim 2, characterized in that: The lower shell (22) is provided with a placement step (7), the circuit board (1) is provided with a wiring terminal (8), and the wiring terminal (8) is placed on the placement step (7).

6. The integrated structure of a controller and a converter according to claim 4, characterized in that: The lower shell (22) is provided with a guide slope (222), and the lower plate (32) is provided with a fitting surface (322), and the fitting surface (322) fits with the guide slope (222).

7. The integrated structure of a controller and a converter according to claim 1, characterized in that: A glue filling area is provided on the circuit board (1), and the glue filling area covers the control area (11) and the conversion area (12).

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