CN211019662U

CN211019662U - Electronic controller case assembly structure

Info

Publication number: CN211019662U
Application number: CN201921792927.8U
Authority: CN
Inventors: 唐浚源
Original assignee: Shenzhen Megmeet Drive Technology Co Ltd
Current assignee: Shenzhen Megmeet Drive Technology Co Ltd
Priority date: 2019-10-23
Filing date: 2019-10-23
Publication date: 2020-07-14
Anticipated expiration: 2029-10-23

Abstract

The utility model relates to a power supply controller technical field discloses an electronic controller machine case assembly structure, including casing, support sheet metal component, inductance module board, IGBT module, electric capacity PCB board, EMI board, drive PCB board, control PCB board and contactor board. Inside being equipped with of casing intercommunication each other first accept the chamber and the chamber is accepted to the second, support the sheet metal component, inductance module board, the IGBT module, electric capacity PCB board and EMI board are fixed in the casing, and the drive PCB board is fixed in the top of IGBT module and support the sheet metal component, and the control PCB board is located the top of drive PCB board, and the contactor board is fixed in inductance module board and the top of supporting the sheet metal component, the utility model discloses an electronic controller machine case assembly structure has reduced the installation space of controller machine case through the reasonable overall arrangement of various PCB boards and casing, has reduced the weight of whole controller simultaneously.

Description

Electronic controller case assembly structure

Technical Field

The embodiment of the utility model provides a relate to power control technical field, especially relate to an electronic controller machine case assembly structure.

Background

The PFC controller is a power supply controller which realizes low cost and high efficiency, can reduce power supply harmonic waves, has an active power factor correction circuit, is widely applied to the rail traffic fields of high-speed rail air conditioners, subways and the like, and therefore the requirement on interference resistance is high, and in addition, the requirement on the weight of a PFC whole machine by a high-speed rail locomotive is also high. The structure of the conventional PFC controller generally comprises three independent modules, namely a filter, an inductor and a rectifier, so that the required installation space is large, the circuit board is connected with the circuit board by welding flat cables, the circuit board is various and disordered, and the PFC controller is heavy and is easily interfered by the outside.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims at providing a small, simple structure's electronic controller machine case.

The utility model adopts a technical scheme that an electronic controller case assembling structure is provided, which comprises an inverted L-shaped shell (200), wherein an alternating current input terminal (300), a direct current output terminal (400) and a control line access terminal (500) are fixedly arranged on the shell, a first accommodating cavity (210) and a second accommodating cavity (220) which are communicated with each other are arranged inside the shell, and the depth of the second accommodating cavity (220) is greater than that of the first accommodating cavity (210);

the inductance module board (10), the inductance module board (10) is fixed on the second accommodating cavity (220);

the supporting sheet metal part (50), the supporting sheet metal part (50) is fixed to the first accommodating cavity (210) and the second accommodating cavity (220);

the IGBT module (40), the capacitor PCB (90) and the EMI plate (110), wherein the IGBT module (40) and the capacitor PCB (90) are fixed in the first accommodating cavity (210), the EMI plate (110) is fixed in the first accommodating cavity (210) and the second accommodating cavity (220), the IGBT module (40), the capacitor PCB (90) and the EMI plate (110) are sequentially arranged in parallel along a first direction of the shell (200) and are spaced from each other, the IGBT module (40) and the support sheet metal part (50) are arranged in parallel along a second direction of the shell and are spaced from each other, and the first direction and the second direction are perpendicular to each other;

the driving PCB (70), the driving PCB (70) is fixed above the IGBT module (40) and the supporting sheet metal part (50);

a control PCB board (80), the control PCB board (80) being located above the drive PCB board (70);

contactor board (120), contactor board (120) are fixed in inductance module board (10) with the top of support sheet metal component (50), just contactor board (120) with electric capacity PCB board (90) are followed the first direction of casing (200) sets up side by side and interval each other.

In some embodiments, a first closed-cell press-riveting stud (201) and a hexagonal carbon steel stud (202) are fixedly arranged at the bottom of the second accommodating cavity (220), and the hexagonal carbon steel stud (202) is fixedly arranged on the first closed-cell press-riveting stud (201);

the inductance module board (10) below has set gradually heat conduction silica gel pad (30) and first insulating paper (20), first insulating paper (20) wear to establish hexagonal carbon steel stud (202) and be fixed in first obturator and press and rivet stud (201), inductance module board (10) are through the fix with screw in hexagonal carbon steel stud (202).

In some embodiments, a heat sink (600) is mounted outside the housing (200) below the first receiving cavity (210).

In some embodiments, a second through-hole rivet pressing stud (203) is fixedly arranged at the bottom of the first accommodating cavity (210), and the heat sink (600) and the support sheet metal part (50) are fixed to the second through-hole rivet pressing stud (203) through screws.

In some embodiments, a groove (204) is formed at the bottom of the first receiving cavity (210), and the IGBT module (40) is fixed in the groove (204).

In some embodiments, a third closed-cell press-riveting stud (205) is fixedly arranged at the bottom of the first accommodating cavity (210);

a first press riveting stud (52) and a second press riveting stud (53) are fixedly arranged on the supporting sheet metal part (50);

the driving PCB (70) is fixed on the third closed-hole press riveting stud (205) and the first press riveting stud (52) on the supporting sheet metal part (50) through screws.

In some embodiments, a fourth closed-cell press-riveting stud (206) and a fifth closed-cell press-riveting stud (207) are further fixedly arranged at the bottom of the first accommodating cavity (210);

the control PCB (80) and the capacitor PCB (90) are fixed on the fourth closed-cell press-riveting stud (206) and the fifth closed-cell press-riveting stud (207) through screws respectively.

In some embodiments, a second connection terminal (13) is arranged on the inductance module board (10), and a sixth closed-hole press-riveting stud (208) is further fixedly arranged at the bottom of the first accommodating cavity (210);

the contactor board (120) is fixed on the sixth closed-cell press-riveting stud (208), the second press-riveting stud (53) on the support sheet metal part (50) and the second wiring terminal (13) on the inductance module board (10) through screws.

In some embodiments, a first connection terminal (12) is arranged on the inductance module board (10), and a seventh closed-hole press-riveting stud (209) is further fixedly arranged at the bottom of the first accommodating cavity (210);

the EMI plate (110) is fixed on the seventh closed-pore press-riveting stud (209) and the first wiring terminal (12) on the inductance module plate (10) through screws.

In some embodiments, the control line access terminal (500) is fixedly mounted on the same side of the housing (200) as the dc output terminal (400), and the ac input terminal (300) is fixedly mounted on a side opposite to the dc output terminal (400).

The utility model has the advantages that: the reasonable layout of various PCBs and the shell reduces the installation space of the controller case, and meanwhile, the weight of the whole controller is reduced.

Drawings

Fig. 1 is a schematic diagram of an internal structure of an electronic controller housing according to some embodiments of the present invention;

FIG. 2 is a schematic illustration of a housing structure of the electronic controller chassis shown in FIG. 1;

FIG. 3 is a schematic view of the housing of FIG. 2 after mounting a first insulating paper and thermally conductive silicone mat;

fig. 4 is a schematic view of fig. 3 after installation of the inductor module board;

fig. 5 is a schematic structural diagram of an inductor module board;

FIG. 6 is a schematic diagram after installation of the support sheet metal part, the second insulating paper and the IGBT module;

FIG. 7 is a schematic view of the heat sink of FIG. 6 after installation;

fig. 8 is a schematic structural view of fig. 7 after the driving PCB, the control PCB, the capacitor PCB, the contactor board and the EMI board are mounted.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and specific embodiments. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "bottom," "upper," "lower," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1, some embodiments of the present invention provide an electronic controller chassis assembly structure 100, including a housing 200, an ac input terminal 300, a dc output terminal 400, a control line in-and-out terminal 500, the ac input terminal 300, the dc output terminal 400 and the control line in-and-out terminal 500 are fixedly mounted on the housing 200, the control line in-and-out terminal 500 and the dc output terminal 400 are fixedly mounted on the same side of the housing 200, and the ac input terminal 300 is fixedly mounted on the side opposite to the dc output terminal 400.

Referring to fig. 2, fig. 3 and fig. 4, in this embodiment, the housing 200 is formed by bending a sheet metal, the folded edges of the sheet metal are connected by full-length welding to meet the protection requirement of the whole IP54, the housing 200 is in an inverted L shape, a first receiving cavity 210 and a second receiving cavity 220 which are communicated with each other are formed inside the housing 200, the first receiving cavity 210 and the second receiving cavity 220 are both in a rectangular parallelepiped shape, the depth of the second receiving cavity 220 is greater than that of the first receiving cavity 210, a first closed-hole rivet pressing stud 201 and a hexagonal carbon steel stud 202 are fixedly arranged at the bottom of the second receiving cavity 220, the hexagonal carbon steel stud 202 is fixed on the first closed-hole rivet pressing stud 201, the carbon steel studs 202 correspond to the first closed-hole rivet pressing studs 201 one to one, the number of the first closed-hole rivet pressing studs 201 is 8, and more or fewer first closed-hole rivet pressing studs 201 may be included in practical application without being confined to the present embodiment.

The inductor module board 10, the first insulating paper 20 and the heat-conducting silica gel pad 30 are arranged inside the shell 200, a through hole corresponding to the first closed-cell press-riveting stud 201 is formed in the first insulating paper 20, the first insulating paper 20 sequentially penetrates through the hexagonal carbon steel stud 202 and is arranged at the bottom of the second accommodating cavity 220 and fixed on the first closed-cell press-riveting stud 201, the heat-conducting silica gel pad 30 is arranged at the blank of the first insulating paper 20, and the interval between the heat-conducting silica gel pad 30 and the heat-conducting silica gel pad 30 can be automatically set according to actual requirements.

Referring to fig. 5, the inductance module board 10 is provided with a mounting hole 11 corresponding to the hexagonal carbon steel stud 202, a first connection terminal 12 and a second connection terminal 13, the inductance module board 10 is inserted into the mounting hole 11 and fixed to the hexagonal carbon steel stud 202 by a screw, and the bottom of the inductance module board 10 contacts with the thermal conductive silicone pad 30, so that the inductance module board 10 is fixed to the second receiving cavity 220.

Referring to fig. 6, an IGBT module 40, a supporting sheet metal part 50 and a second insulating paper 60 are further disposed in the housing 200, the IGBT module 40 is fixed in the first receiving cavity 210, the supporting sheet metal part 50 is fixed in the first receiving cavity 210 and the second receiving cavity 220, a groove 204 is disposed at the bottom of the first receiving cavity 210, and the IGBT module 40 is fixed in the groove 204.

First bottom of accepting chamber 210 has set firmly 6 second through-hole and has pressed riveting double-screw bolt 203, second through-hole is pressed riveting double-screw bolt 203 and centers on recess 204 is the rectangle setting, be equipped with on the support sheet metal component 50 with the corresponding screw hole 51 of double-screw bolt 203 is pressed in the second through-hole, will through 3M 5 combination screws support sheet metal component 50 be fixed in and be close to inductance module board 10 on the double-screw bolt 203 is pressed in the second closed hole, it rivets double-screw bolt 53 to have set firmly two first pressures on the support sheet metal component 50 and rivet double-screw bolt 52 and a second pressure.

And sequentially penetrating the second insulating paper 60 through the two first press riveting studs 52 to be assembled on the supporting sheet metal part 50.

Referring to fig. 7, a heat sink 600 is mounted outside the housing 200 and below the first receiving cavity 210, a threaded hole (not shown) corresponding to the second closed-hole rivet pressing stud 203 is formed in the heat sink 600, and the heat sink 600 is fixed below the housing 200 by 6M 5 combination screws. The heat generated by the inductor module board 10 due to the contact between the bottom of the inductor module board 10 and the thermal conductive silicone pad 30 can be conducted to the outer surface of the housing 200 through the thermal conductive silicone pad 30, and then dissipated through the heat sink 600.

Referring to fig. 8, a driving PCB 70, a control PCB 80, a capacitor PCB 90, an EMI plate 110 and a contactor plate 120 are further disposed in the housing 200, the driving PCB 70 is fixed above the IGBT module 40 and the support sheet metal part 50, the control PCB 80 is located above the driving PCB 70, the capacitor PCB 90 is fixed in the first receiving cavity 210, the EMI plate 110 is fixed in the first receiving cavity 210 and the second receiving cavity 220, the contactor plate 120 is fixed above the inductor module 10 and the support sheet metal part 50, wherein the IGBT module 40, the capacitor PCB 90 and the EMI plate 110 are sequentially disposed in parallel and spaced from each other along a first direction of the housing, the first direction is a transverse direction of the housing 200, i.e., an X direction (see fig. 4), the IGBT module 40 and the support sheet metal part 50 are disposed in parallel and spaced from each other along a second direction of the housing, the second direction is a longitudinal direction of the housing 200, i.e., a Y direction (see fig. 4), and the contactor board 120 and the capacitor PCB board 90 are juxtaposed and spaced apart from each other along a first direction of the housing 200, which is perpendicular to the second direction.

The bottom of the first accommodating cavity 210 is fixedly provided with two third closed-cell press-riveting studs 205, two fourth closed-cell press-riveting studs 206 and four fifth closed-cell press-riveting studs 207, two third closed-cell press-riveting studs 205 and two first press-riveting studs 52 are arranged in a rectangular manner, and four fifth closed-cell press-riveting studs 207 are arranged in a rectangular manner.

Threaded holes corresponding to the third closed-cell press-riveting stud 205 and the first press-riveting stud 52 are formed in the driving PCB 70, and the driving PCB 70 is fixed to the third closed-cell press-riveting stud 205 and the first press-riveting stud 52 through 4 screws. The control PCB 80 is fixed to the fourth closed-cell rivet pressing stud 206 by two combined screws, and the capacitor PCB 90 is fixed to the fifth closed-cell rivet pressing stud 207 by 4 combined screws.

The bottom of the first accommodating cavity 210 is further fixedly provided with 2 sixth closed-cell press-riveting studs 208 and 5 seventh closed-cell press-riveting studs 209, and the contactor board 120 is fixed on the sixth closed-cell press-riveting studs 208 of the housing 200, the second press-riveting studs 53 of the support sheet metal part 50, and the second connection terminals 13 of the inductor module board 10 by 5M 4 combination screws. And then 8M 4 combination screws are used to fix the EMI plate 110 to the seventh closed-cell press-fit stud 209 of the housing 200 and the first connection terminal 12 of the inductor module board 10, where the EMI plate 110 is similar to a conventional filter, thereby completing the basic assembly of the electronic controller chassis.

The embodiment of the utility model provides a pair of assembly structure of electronic controller machine case makes the volume of whole machine case diminish through the rational arrangement of various PCB boards and casing, has also alleviateed the weight of complete machine simultaneously, because inductance module board and EMI board's circuit connection and inductance module board all adopt binding post to be connected with the being connected of contactor board, avoided the mixed and disorderly of cable connection for whole machine case structure is compacter, clean and tidy.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above technical features are combined with each other to form various embodiments which are not listed above, and all the embodiments are regarded as the scope of the present invention; further, modifications and variations will occur to those skilled in the art in light of the foregoing description, and it is intended to cover all such modifications and variations as fall within the true spirit and scope of the invention as defined by the appended claims.

Claims

1. An electronic controller case assembly structure, comprising:

the cable connector comprises a reverse L-shaped shell (200), wherein an alternating current input terminal (300), a direct current output terminal (400) and a control line access terminal (500) are fixedly mounted on the shell, a first accommodating cavity (210) and a second accommodating cavity (220) which are communicated with each other are formed in the shell, and the depth of the second accommodating cavity (220) is greater than that of the first accommodating cavity (210);

2. The electronic controller cabinet mounting structure of claim 1,

a first closed-hole press riveting stud (201) and a hexagonal carbon steel stud (202) are fixedly arranged at the bottom of the second accommodating cavity (220), and the hexagonal carbon steel stud (202) is fixed on the first closed-hole press riveting stud (201);

3. The electronic controller cabinet mounting structure of claim 1,

a heat sink (600) is attached to the outside of the housing (200) below the first receiving chamber (210).

4. The electronic controller cabinet mounting structure of claim 3,

and a second through hole press riveting stud (203) is fixedly arranged at the bottom of the first accommodating cavity (210), and the radiator (600) and the support sheet metal part (50) are fixed on the second through hole press riveting stud (203) through screws.

5. The electronic controller cabinet mounting structure of claim 1,

a groove (204) is formed in the bottom of the first accommodating cavity (210), and the IGBT module (40) is fixed in the groove (204).

6. The electronic controller cabinet mounting structure of claim 1,

a third closed hole press riveting stud (205) is fixedly arranged at the bottom of the first accommodating cavity (210);

7. The electronic controller cabinet mounting structure of claim 6,

a fourth closed-pore press riveting stud (206) and a fifth closed-pore press riveting stud (207) are fixedly arranged at the bottom of the first accommodating cavity (210);

8. The electronic controller cabinet assembling structure according to claim 6 or 7,

a second wiring terminal (13) is arranged on the inductance module board (10), and a sixth closed-hole press-riveting stud (208) is fixedly arranged at the bottom of the first accommodating cavity (210);

9. The electronic controller cabinet mounting structure of claim 8,

a first wiring terminal (12) is arranged on the inductance module board (10), and a seventh closed-hole press riveting stud (209) is fixedly arranged at the bottom of the first accommodating cavity (210);

10. The electronic controller cabinet mounting structure of claim 1,

the control line access terminal (500) and the DC output terminal (400) are fixedly arranged on the same side of the shell (200), and the AC input terminal (300) is fixedly arranged on the side opposite to the DC output terminal (400).