CN210760280U

CN210760280U - Controller, motor and car

Info

Publication number: CN210760280U
Application number: CN201920969699.0U
Authority: CN
Inventors: 喻建敏
Original assignee: Shenzhen Megmeet Drive Technology Co Ltd
Current assignee: Shenzhen Megmeet Drive Technology Co Ltd
Priority date: 2019-06-24
Filing date: 2019-06-24
Publication date: 2020-06-16
Anticipated expiration: 2029-06-24

Abstract

The utility model relates to an electric automobile technical field discloses a controller, motor and car. The controller comprises a shell, a capacitor, a first magnetic ring and a first terminal, wherein the capacitor is fixedly arranged inside the shell, and the first magnetic ring and the first terminal are integrated on the capacitor. The first magnetic ring and the first terminal in the controller are integrated in the capacitor device, the whole installation process of the controller is simplified, the installation space occupied by the components is reduced, and the miniaturization requirement of the controller is facilitated.

Description

Controller, motor and car

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of electric automobiles, in particular to a controller; furthermore, the utility model discloses still relate to the motor that has above-mentioned controller to and have the car of above-mentioned motor.

[ background of the invention ]

BEV (Battery electric vehicle) is a vehicle driven by a motor and using a vehicle-mounted power supply as power, and has a smaller environmental impact than a conventional fuel vehicle, so that the BEV has a wide prospect.

The utility model discloses an inventor is realizing the utility model discloses an in-process discovers: parts such as electric capacity, magnetic ring, terminal in the controller of electric automobile's motor all fix inside the casing of controller alone, and the space that its occupy is very big for this kind of mode of arranging to can't reduce the volume of controller effectively, the mounting means is also very loaded down with trivial details simultaneously.

[ Utility model ] content

The utility model aims at providing a controller, motor and car to part installation such as thin film capacitance, magnetic ring, terminal in solving present controller is fixed to occupy bulky technical problem.

The utility model provides a its technical problem adopt following technical scheme:

a controller comprises a shell, a capacitor, a first magnetic ring and a first terminal, wherein the capacitor is fixedly arranged inside the shell, and the first magnetic ring and the first terminal are integrated on the capacitor.

As a further improvement of the above scheme, a first mounting groove for accommodating the first magnetic ring is formed in a side surface of the capacitor device, and a first connecting groove communicated with an inner hole of the first magnetic ring is further formed in the capacitor device.

As a further improvement of the above, the capacitor device, the first terminal and the first magnetic ring are integrally injection molded.

As a further improvement of the above scheme, the magnetic circuit further includes a plastic body, a second magnetic ring and a second terminal, the plastic body is fixedly disposed inside the housing, and the second magnetic ring and the second terminal are integrated on the plastic body.

As a further improvement of the above scheme, a second mounting groove for accommodating the second magnetic ring is formed in a side surface of the plastic body, and a second communicating groove communicated with an inner hole of the second magnetic ring is further formed in the plastic body.

As a further improvement of the above, the plastic body, the second terminal and the second magnetic ring are integrally formed by injection molding.

As a further improvement of the above scheme, the integrated circuit board further comprises a driving board, a control board and an adapter board, and the first terminal and the second terminal are electrically connected to the integrated circuit board.

As a further improvement of the above scheme, the integrated circuit board further comprises an insulated gate bipolar transistor module, the integrated circuit board is fixedly connected to the insulated gate bipolar transistor module and is electrically connected to the insulated gate bipolar transistor module, and the integrated circuit board is electrically connected to the first terminal and the second terminal through the insulated gate bipolar transistor module.

The utility model provides a its technical problem still adopts following technical scheme:

a motor comprises the controller and an execution component driven by the controller.

an automobile comprises the motor.

The utility model has the advantages that: compared with the controller on the current market, the first magnetic ring and the first terminal in the controller are integrated in the capacitor device, the first magnetic ring and the first terminal do not need to occupy extra space, the space occupied by the first magnetic ring and the first terminal is reduced, and the controller is convenient to miniaturize.

[ description of the drawings ]

One or more embodiments are illustrated in drawings corresponding to, and not limiting to, the embodiments, in which elements having the same reference number designation may be represented as similar elements, unless specifically noted, the drawings in the figures are not to scale.

Fig. 1 is an exploded schematic view of a controller according to an embodiment of the present invention.

Fig. 2 is a perspective view of one direction of the lower case of fig. 1.

Fig. 3 is a perspective view of the lower case of fig. 1 in another direction.

FIG. 4 is an exploded view of the input connector and the first connector assembly of FIG. 1.

Fig. 5 is an exploded view of the output connector and the second connecting assembly of fig. 1.

[ detailed description ] embodiments

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 "vertical," "horizontal," "left," "right," "inner," "outer," 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. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

In this specification, the term "mounting" includes fixing or limiting a certain element or device to a specific position or place by welding, screwing, clipping, bonding, etc., the element or device may be fixed or movable in a limited range in the specific position or place, and the element or device may be disassembled or not after being fixed or limited to the specific position or place, which is not limited in the embodiment of the present invention.

Referring to fig. 1, which shows an exploded schematic view of a controller according to an embodiment of the present invention, the controller includes a housing 100, an IGBT (Insulated Gate Bipolar Transistor, hereinafter referred to as IGBT) module 200, an integrated circuit board 300, a first connection assembly 400, an input connector 500, a second connection assembly 600, an output connector 700, an input sealing cover 800, and an output sealing cover 900. The housing 100 is used for accommodating the above components; the integrated circuit board 300 is conductively connected with both the first connecting assembly 400 and the second connecting assembly 600 through the IGBT module 200; one end of the input connector 500 is electrically connected to the power source, and the other end is electrically connected to the first connection module 400; the output connector 700 has one end connected to an actuator (not shown) of the motor and the other end electrically connected to the second connecting unit 600.

The housing 100 includes a lower housing 110 and an upper housing 120, the lower housing 110 is a box-shaped structure without a top, and the upper housing 120 is disposed on the top of the lower housing 110 for sealing the lower housing 110.

Specifically, please refer to fig. 2 and fig. 3, which show perspective views of the lower housing 110 in two directions, in combination with fig. 1; the lower housing 110 has a mounting seat 111 therein, and the IGBT module 200 is fixedly connected to a top portion 113 of the mounting seat 111. In addition, the mounting seat 111 and the rear wall, the left side wall and the right side wall of the lower housing 110 together form a first receiving cavity 115 for receiving the first connecting assembly 400; the mounting seat 111, the rear front sidewall and the left and right sidewalls of the lower housing 110 together define a second receiving cavity 116 for receiving the second connecting assembly 600.

In this embodiment, a rectangular cavity 112 is disposed in the center of the mounting seat 111, and when the IGBT module 200 is mounted, a dispenser is used to dispense sealant into the cavity 112, and then the IGBT module 200 is mounted on the top 113, and the IGBT module and the top 113 are fixed by screws.

The integrated circuit board 300 is disposed above the IGBT module 200, the IGBT module 200 has a plurality of pins 210 extending toward the integrated circuit board 300, the integrated circuit board 300 has through holes (not shown) corresponding thereto, and the pins 210 penetrate through the through holes and are soldered and fixed thereto by solder. At the same time, the two are conductively connected.

The edge of the integrated circuit board 300 is further provided with an output terminal 310 extending away from the center thereof, and the sidewall of the lower housing 110 is provided with an output hole 114 at a corresponding position. Preferably, when the upper housing 120 is covered on the lower housing 110, the joint of the two housings and the joint of the output terminal 310 and the output hole 114 are coated with sealing glue, so that the controller achieves IP67 level waterproof effect.

In this embodiment, the integrated circuit board 300 is integrated with a driving board, a control board and an adapter board. Compared with the controller in the current market, the integrated circuit board 300 is integrated with the driving board, the control board and the adapter board, so that the technical problems of high cost, large occupied space and complex assembly caused by adopting a plurality of PCB boards (the driving board, the control board and the adapter board) are solved. Meanwhile, the scheme that the flat cable is required to be adopted when the driving plate is connected with the control plate and the driving plate is connected with the adapter plate is avoided, and the technical problem that the anti-seismic effect is poor due to the flat cable is solved.

Referring to FIG. 4, an exploded view of the first connector assembly 400 and the input connector 500 is shown; referring to fig. 1 to fig. 3, the first connection element 400 includes a film capacitor 410, a first magnetic ring 420 and a first terminal 430.

The film capacitor 410 is integrally and fixedly disposed in the first accommodating cavity 115, and a housing portion thereof is provided with an oval first mounting groove on a side surface away from the mounting seat 111, and the first magnetic ring 420 is embedded in the first mounting groove.

The first terminal 430 is fixedly connected to the thin-film capacitor 410, and a first copper bar electrode corresponding to the first terminal is disposed at one end of the IGBT module 200 close to the thin-film capacitor 410. Preferably, the first terminal 430 is in a zigzag shape, and the first end 431 thereof is fixedly connected with the first copper bar electrode through a screw, and the first terminal 430 is electrically connected with the IGBT module 200; a second end 432 thereof extends to a side adjacent to the first magnetic ring 420. The thin film capacitor 410 further has a first connecting groove 411 communicating with the inner hole of the first magnetic ring 420, in this embodiment, the second end portion 432 is disposed in the first connecting groove 411, and the input connector 500 can partially pass through the inner hole of the first magnetic ring 420 to enter the first connecting groove 411 and is electrically connected to the second end portion 432.

It is understood that the thin film capacitor 410 may be replaced with other types of capacitor devices that are widely used in the art.

To simplify the mounting process of the first connection assembly 400, the first magnetic ring 420 and the first terminal 430 are integrally injection-molded with the plastic housing of the film capacitor 410 as an insert in a mold. In addition, the first magnetic ring and the first terminal are integrated on the capacitor device by the integrated injection molding process, so that the defects of large occupied installation space and complicated installation procedures when a plurality of parts are respectively installed are avoided, and good insulation between the first terminals 430 is ensured.

The input connector 500 includes two input electrodes 510 arranged in parallel and formed in a revolving body shape as a whole, one end of the input electrode 510 is provided with a flat first connection portion 511, and the first connection portion 511 can pass through the first magnetic ring 420 and is electrically connected with the second end portion 432 of the first terminal 430. Since one end of the input connector 500 is disposed outside the controller, a through hole for passing the input electrode is disposed on the lower housing 110, and the input connector 500 and the lower housing 110 are hermetically connected, so that the controller achieves IP67 level waterproof effect.

The input socket connector 500 is connected to a power source at an end remote from the first connection portion 511 to provide input of power. Compared with a controller in the market, the input connector is arranged on the other side of the capacitor device, the input connector of the controller directly penetrates through the first magnetic ring 420 to be electrically connected with the first terminal 430, the distance between a power supply and the capacitor device is very short, and good EMC anti-interference performance is guaranteed.

Referring to fig. 5, an exploded view of the second connector assembly 600 and the output connector 700 is shown; referring to fig. 1 to 4, the second connecting assembly 600 includes a plastic body 610, a second magnetic ring 620, and a plurality of second terminals 630 disposed in parallel.

The plastic body 610 is integrally and fixedly disposed in the second accommodating cavity 116, and a second mounting groove having an oval shape is disposed on a surface thereof away from the mounting seat 111, and the second magnetic ring 620 is embedded in the second mounting groove.

The second terminal 630 is fixedly connected to the plastic body 610, and a second copper bar electrode corresponding to the second terminal is disposed at one end of the IGBT module 200 close to the plastic body 610. Preferably, the second terminal 630 is in a "Z" shape, and the first end 631 thereof is fixedly connected to the second copper bar electrode through a screw, and the second terminal is electrically connected to the IGBT module 200; and a second end 632 thereof extends to a side near the second magnetic ring 620. The plastic body 610 further has a second communicating groove 611 communicating with the inner hole of the second magnetic ring 620, in this embodiment, the second end portion 632 is disposed in the second communicating groove 611, and the output connector 700 can partially pass through the inner hole of the second magnetic ring 620, enter the second communicating groove 611, and is electrically connected to the second end portion 632.

Similarly, to simplify the installation process of the second connection assembly 600, the second magnetic ring 620 and the second terminal 630 are integrally injection-molded with the plastic body 610 as an insert in a mold. In addition, the second magnetic ring 620 and the second terminal 630 are integrated on the plastic body 610 by the integrated injection molding process, so that the defects of large occupied installation space and complicated installation procedures when the plurality of parts are respectively installed are avoided, and good insulation between the first terminals 430 is ensured.

The output connector 700 includes a plurality of output electrodes 710 arranged in parallel and in a revolving body shape as a whole, the number and the positions of the output electrodes 710 correspond to those of the second terminals 630, one end of the output electrode 710 is provided with a flat second connection portion 711, and the second connection portion 711 can pass through the second magnetic ring 620 and is electrically connected with the second end portion 632 of the second terminal 630. Since one end of the output connector 700 is disposed outside the controller, a through hole for the output electrode 710 to pass through is disposed on the lower housing 110, and the output connector 700 and the lower housing 110 are hermetically connected, so that the controller achieves an IP 67-level waterproof effect.

One end of the output connector 700 far from the second connecting part 711 is connected to an actuator of the motor to drive the actuator to operate. In one example, if the driving motor is a three-phase motor, three output electrodes 710 are provided, and one ends of the output electrodes, which are far from the second connection portion 711, are connected to three-phase coils, respectively.

Referring to fig. 1 and 3, the bottom of the lower casing 110 is provided with a first through groove 117 and a second through groove 118 at positions corresponding to the first copper bar electrode and the second copper bar electrode, and the input sealing cover 800 and the output sealing cover 900 are both fixed at the bottom of the lower casing 110 and respectively seal the two through grooves. Preferably, the input sealing cover plate 800 and the lower case 110 are sealed by coating a sealant; preferably, the output sealing cover plate 900 is sealed with the lower case 110 by applying a sealing adhesive.

The operation principle of the controller is briefly described in the following with reference to the attached drawings:

the input connector 500 is connected to the power supply at the end remote from the first connection portion 511, and the current flows through the first terminal 430, the IGBT module 200, the integrated circuit board 300, the second terminal 630 in order to the output connector 700, and flows through the output connector 700 to the coil, not shown.

According to the controller, the first magnetic ring and the first terminal are integrated in the film capacitor, and the second magnetic ring and the second terminal are integrated in the plastic body, so that the overall installation process of the controller is simplified, the installation space of the components is reduced, and the controller is convenient to miniaturize.

The controller also integrates the driving board, the control board and the adapter board into one integrated circuit board, so that the technical problems of high cost, large occupied space and complex assembly caused by adopting a plurality of PCB boards are avoided. Meanwhile, the scheme that the flat cable is required to be adopted when the driving plate is connected with the control plate and the driving plate is connected with the adapter plate is avoided, and the technical problem that the anti-seismic effect is poor due to the flat cable is solved.

It should be understood that the number of the input electrodes 510 and the output electrodes 710 is not particularly limited as long as it is greater than or equal to two.

In addition, in actual use, the output connector and the output connector are often assembled by the user, so the controller may be understood as not including the two components.

The utility model also provides a motor, this motor include the controller in the above-mentioned embodiment, still include the executive component who is connected with the controller electricity.

The motor simplifies the whole installation process of the controller by integrating the first magnetic ring and the first terminal inside the controller in the film capacitor and integrating the second magnetic ring and the second terminal in the plastic body, reduces the installation space of each component and facilitates the miniaturization of the controller.

The motor also integrates the driving board, the control board and the adapter board on one integrated circuit board, so that the technical problems of high cost, large occupied space and complex assembly caused by adopting a plurality of PCB boards are avoided. Meanwhile, the scheme that the flat cable is required to be adopted when the driving plate is connected with the control plate and the driving plate is connected with the adapter plate is avoided, and the technical problem that the anti-seismic effect is poor due to the flat cable is solved.

Furthermore, the utility model also provides an automobile, this automobile include the automobile body to and the motor in the above-mentioned embodiment.

This car is through all integrating in film capacitor with the inside first magnetic ring of controller and first terminal, and the second magnetic ring has all been integrated in the plastic body with the second terminal, has simplified the holistic installation of controller to reduce the installation space of above-mentioned each subassembly, the miniaturized demand of the controller of being convenient for.

The automobile also integrates the driving board, the control board and the adapter board in the controller into one integrated circuit board, so that the technical problems of high cost, large occupied space and complex assembly caused by adopting a plurality of PCB boards are avoided. Meanwhile, the scheme that the flat cable is required to be adopted when the driving plate is connected with the control plate and the driving plate is connected with the adapter plate is avoided, and the technical problem that the anti-seismic effect is poor due to the flat cable is solved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A controller is characterized by comprising a shell, a capacitor, a first magnetic ring and a first terminal, wherein the capacitor is fixedly arranged inside the shell, and the first magnetic ring and the first terminal are formed on the capacitor;

a first mounting groove is formed in the side face of the capacitor device, and the first magnetic ring is embedded in the first mounting groove;

the capacitor device is further provided with a first connecting groove communicated with the inner hole of the first magnetic ring, the first terminal is fixed to the capacitor device, and at least part of the first terminal is arranged in the first connecting groove.

2. The controller of claim 1, wherein the capacitive device, the first terminal, and the first magnetic ring are integrally injection molded.

3. The controller as claimed in claim 1, further comprising a plastic body, a second magnetic ring and a second terminal, wherein the plastic body is fixed inside the housing, and the second magnetic ring and the second terminal are integrated on the plastic body.

4. The controller as claimed in claim 3, wherein a second mounting groove is formed on a side surface of the plastic body for receiving the second magnetic ring, and a second communicating groove is formed on the plastic body for communicating with an inner hole of the second magnetic ring.

5. A controller according to claim 3 or 4, wherein the plastic body, the second terminal and the second magnetic ring are integrally injection molded.

6. The controller of claim 3, further comprising an integrated circuit board integrated with a driving board, a control board and an interposer, wherein the first terminal and the second terminal are electrically connected to the integrated circuit board.

7. The controller of claim 6, further comprising an IGBT module, wherein the IC board is fixedly connected to the IGBT module and electrically connected to the IGBT module, and wherein the IC board is electrically connected to the first terminal and the second terminal through the IGBT module.

8. An electric machine comprising a controller as claimed in any one of claims 1 to 7, and an actuator driven by the controller.

9. An automobile, characterized by comprising an electric machine according to claim 8.