Connecting piece for motor, motor and vehicle-mounted compressor

Abstract

The invention relates to a connecting piece for a motor, the motor and a vehicle-mounted compressor. The connecting piece is provided with a substrate and a plurality of stator terminals arranged on the substrate, the connecting piece is also provided with an insulating glue accommodating piece, and the insulating glue accommodating piece comprises a body which is detachably fixed on the substrate; an opening through which at least two stator terminals of the plurality of stator terminals pass; the surrounding plate extends outwards from one side, far away from the substrate, of the body, is arranged in the circumferential direction of the opening, and is used for forming a space for accommodating insulating glue in a surrounding manner; wherein one side, close to the base plate, of the body is provided with a first sealing part, the corresponding position of the base plate is provided with a second sealing part, and the first sealing part and the second sealing part are matched in a sealing and pressing mode and are arranged in the circumferential direction of the opening.

Description

Technical Field

[0001] The present invention relates to the field of electronic devices, and more particularly to a connecting piece for a motor, a motor provided with the connecting piece, and a vehicle-mounted compressor equipped with the motor. Background Art

[0002] In existing vehicle compressors, the motor is usually electrically connected to the vehicle's electronic control unit (ECU) by means of a connector, so that the motor is driven and controlled by the electronic control unit. The connector is provided with a plurality of terminals for connecting to a printed circuit board in the electronic control unit, and a plurality of stator terminals for connecting to the stator end of the motor by laser welding. Since a large amount of oily liquid is usually contained inside the motor housing of the vehicle compressor, the stator terminal must be insulated to prevent the oily liquid from contacting the stator terminal and causing a short circuit. However, the plastic part containing the insulating glue needs to be injection molded multiple times, which not only has a high production cost but also is difficult to manufacture.

[0003] Therefore, it is urgent to find an improved connector for a motor to solve or alleviate the above problems. Summary of the invention

[0004] The purpose of the present invention is to solve or alleviate the above-mentioned technical problems to a certain extent.

[0005] According to the present invention, a connector for a motor is provided, the connector having a substrate and a plurality of stator terminals arranged on the substrate, the connector also having an insulating glue receiving member, the insulating glue receiving member comprising:

[0006] A body, which is detachably fixed on the substrate;

[0007] an opening for passing at least two of the plurality of stator terminals; and

[0008] A surrounding plate extending outward from a side of the body away from the base plate and arranged along the circumference of the opening to enclose a space for accommodating insulating glue;

[0009] A first sealing portion is provided on one side of the body close to the substrate, and a second sealing portion is provided at a corresponding position of the substrate. The first sealing portion and the second sealing portion are tightly fitted in a sealing manner and are provided along the circumference of the opening.

[0010] Optionally, in the connecting piece as described above, the first sealing portion has at least two sealing surfaces, and the second sealing portion is provided with two sealing surfaces, wherein the at least two sealing surfaces of the first sealing portion and the at least two sealing surfaces of the second sealing portion abut against each other.

[0011] Optionally, in the aforementioned connecting member, the plurality of stator terminals include a first stator terminal, a second stator terminal, a third stator terminal, a fourth stator terminal, a fifth stator terminal and a sixth stator terminal,

[0012] The opening includes a first opening, a second opening and a third opening, and the enclosure includes a first enclosure corresponding to the first opening, a second enclosure corresponding to the second opening and a third enclosure corresponding to the third opening.

[0013] The first opening is used to allow the first stator terminal and the second stator terminal to pass through, the second opening is used to allow the third stator terminal and the fourth stator terminal to pass through, and the third opening is used to allow the fifth stator terminal and the sixth stator terminal to pass through.

[0014] Optionally, in the aforementioned connecting piece, the insulating glue receiving piece is made of plastic and is integrally formed.

[0015] Optionally, in the connecting member as described above, the body is fixed on the substrate by press-fitting.

[0016] Optionally, in the connecting piece as described above, the insulating glue receiving piece is provided with two positioning holes and / or a clamping portion for clamping.

[0017] Optionally, in the connecting piece as described above, the insulating glue container is provided with a first rib and a second rib for enhancing the structural strength, wherein the first rib is fixed between the first enclosure and the second enclosure, and the second rib is fixed between the second enclosure and the third enclosure.

[0018] Optionally, in the aforementioned connecting piece, one of the first sealing portion and the second sealing portion has a convex cross-section, and the other has a concave cross-section.

[0019] According to the present invention, a motor is also provided, which is provided with the above-mentioned connecting piece, wherein the first stator terminal and the second stator terminal are U-phase terminals, the third stator terminal and the fourth stator terminal are V-phase terminals, and the fifth stator terminal and the sixth stator terminal are W-phase terminals.

[0020] According to the present invention, there is also provided a vehicle-mounted compressor, which is equipped with the above-mentioned motor and electronic control unit.

[0021] It can be understood that the connector for the motor of the present invention eliminates the need for multiple injection molding, simplifies the production and processing process, improves production efficiency, reduces the production cost of the enterprise, and the processed connector has good sealing performance, ensuring the quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The disclosure of the present invention will become more easily understood with reference to the accompanying drawings. It is easy for those skilled in the art to understand that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In addition, similar numbers in the figures are used to represent similar components, among which:

[0023] Figure 1 The schematic diagram of the structure of the connecting piece for the electronic control unit disclosed in the present invention when the insulating glue receiving piece is omitted is exemplarily shown;

[0024] Figure 2 A schematic structural diagram of an insulating glue receiving member of a connector for an electronic control unit disclosed in the present invention viewed from the top is exemplarily shown;

[0025] Figure 3 A schematic structural diagram of an insulating glue receiving member of a connector for an electronic control unit disclosed in the present invention viewed from the bottom is exemplarily shown;

[0026] Figure 4 A partial cross-sectional schematic diagram exemplarily shows a first sealing portion of a connector for an electronic control unit disclosed in the present invention; and

[0027] Figure 5 A partial cross-sectional schematic diagram of a vehicle-mounted compressor disclosed according to the present invention is exemplarily shown. DETAILED DESCRIPTION

[0028] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. First of all, it should be noted that the directional terms such as upper, lower, left, right, front, rear, inside, outside, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. They are relative concepts and may change accordingly according to their different positions and different usage states. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0029] Figure 1 FIG. 1 shows a schematic structural diagram of a connecting member for a motor disclosed in the present invention. Figure 1 and Figure 2It can be clearly seen that the connector 100 is composed of a substrate 110, a plurality of stator terminals 120 arranged on the substrate 110, and an insulating glue container 130, wherein the insulating glue container 130 includes a main body 131, and the main body 131 is fixed to the substrate 110 in a detachable manner, for example, by press-fitting. Specifically, a plurality of pins 111 may be provided on the substrate 110 of the connector 100, and a plurality of holes 138 for accommodating the pins 111 may be provided at corresponding positions of the insulating glue container 130. During assembly, the insulating glue container 130 can be fixedly installed by simply inserting the pins 111 of the substrate 110 into the corresponding holes 138 on the main body 131 of the insulating glue container 130. It should be noted that the insulating glue container 130 can be made of plastic, such as nylon plastic, and molded in one piece. Continue to refer to Figure 1 The insulating glue container 130 further includes an opening 132 and a surrounding plate 133, wherein the opening 132 is used to allow at least two of the plurality of stator terminals 120 to pass through, and the surrounding plate 133 extends outward from a side of the body 131 away from the substrate 110, for example, in a direction perpendicular to the surface of the body 131 and is arranged along the circumference of the opening 132, and is used to enclose a space for accommodating the insulating glue. A first sealing portion 140 is arranged on a side of the body 131 close to the substrate 110, and a second sealing portion 150 is arranged at a corresponding position of the substrate 110, the first sealing portion 140 and the second sealing portion 150 are sealed and pressed together and are arranged along the circumference of the opening 132. In this way, it is possible to effectively prevent the insulating glue in the insulating glue container 130 from leaking and causing insulation failure of the stator terminal.

[0030] In other optional embodiments, the first sealing portion 140 has at least two sealing surfaces, and the second sealing portion 150 is provided with two sealing surfaces, wherein the at least two sealing surfaces of the first sealing portion 140 and the at least two sealing surfaces of the second sealing portion 150 abut against each other, such as Figure 1 and Figure 3 For example, the first sealing portion 140 has a concave cross section (see Figure 4 ), the second sealing portion 150 has a convex cross-section, and the two are nested with each other so that the corresponding three sealing surfaces can abut against each other, thereby obtaining a better sealing effect. Of course, it is easy for those skilled in the art to understand that it is also feasible that the first sealing portion 140 has a convex cross-section and the second sealing portion 150 has a concave cross-section.

[0031] In such Figure 1 and Figure 2In the illustrated embodiment, the plurality of stator terminals 120 include a first stator terminal 121, a second stator terminal 122, a third stator terminal 123, a fourth stator terminal 124, a fifth stator terminal 125, and a sixth stator terminal 126. The opening 132 includes a first opening 132a, a second opening 132b, and a third opening 132c, and the enclosure 133 includes a first enclosure 133a corresponding to the first opening 132a, a second enclosure 133b corresponding to the second opening 132b, and a third enclosure 133c corresponding to the third opening 132c. The first opening 132a is used to allow the first stator terminal 121 and the second stator terminal 122 to pass through, the second opening 132b is used to allow the third stator terminal 123 and the fourth stator terminal 124 to pass through, and the third opening 132c is used to allow the fifth stator terminal 125 and the sixth stator terminal 126 to pass through.

[0032] Continue to refer Figure 2 The insulating glue container 130 is provided with a first rib 134 and a second rib 135 for enhancing structural strength, wherein the first rib 134 is fixed between the first enclosure 133a and the second enclosure 133b, and the second rib 135 is fixed between the second enclosure 133b and the third enclosure 133c.

[0033] It is easy to understand that the insulating glue container 130 is provided with two positioning holes 136, so that the robot arm can locate the position of the insulating glue container 136 through the positioning holes 136. In addition, the insulating glue container 130 is also provided with a clamping portion 137 for clamping, and the clamping portion 137 can be designed as a plate-shaped structure so that the clamping claw on the robot arm can clamp the clamping portion 137.

[0034] In addition, the present invention also provides a motor, which is provided with the connecting piece 100, and the motor can be a three-phase motor, and the three-phase motor includes a U phase, a V phase and a W phase, wherein the first stator terminal 121 and the second stator terminal 122 are U phase terminals, the third stator terminal 123 and the fourth stator terminal 124 are V phase terminals, and the fifth stator terminal 125 and the sixth stator terminal 126 are W phase terminals.

[0035] In addition, the present invention also provides a vehicle-mounted compressor, wherein the vehicle-mounted compressor 10 is equipped with the above-mentioned motor and electronic control unit, wherein the motor is located in the motor housing 11 of the vehicle-mounted compressor 10 and is driven and controlled by the electronic control unit (not shown). Specifically, the motor includes components such as a rotor 12, a stator 13, and a rotating shaft 14. Figure 5Each of the first stator terminal 121, the second stator terminal 122, the third stator terminal 123, the fourth stator terminal 124, the fifth stator terminal 125 and the sixth stator terminal 126 has one end electrically connected to the stator 13 and the other end electrically connected to a pin 160 disposed on the substrate 110, and the pin 160 is also electrically connected to a printed circuit board (not shown) of the electronic control unit.

[0036] In summary, the connector for the motor of the present invention has a simple and compact structure and good sealing performance. It does not require multiple injection molding during production, and the manufacturing process is greatly simplified, which is conducive to reducing production costs and thus improving the market competitiveness of the product.

[0037] Several specific implementations are listed above to explain in detail the connector for the motor, the motor provided with the connector, and the vehicle-mounted compressor equipped with the motor of the present invention. These examples are only used to illustrate the principle and implementation methods of the present invention, but not to limit the present invention. Without departing from the spirit and scope of the present invention, ordinary technicians in this field can also make various modifications and improvements. Therefore, all equivalent technical solutions should belong to the scope of the present invention and be defined by the claims of the present invention.

Claims

1. A connector for a motor, the connector (100) comprising a substrate (110) and a plurality of stator terminals (120) arranged on the substrate (110), characterized in that: The connecting piece (100) is further provided with an insulating glue receiving piece (130), and the insulating glue receiving piece (130) comprises: A body (131) which is detachably fixed on the substrate (110); an opening (132) for passing at least two of the plurality of stator terminals (120); and A surrounding plate (133) extending outward from a side of the body (131) away from the substrate (110) and arranged along the circumference of the opening (132) to enclose a space for accommodating insulating glue; A first sealing portion (140) is provided on one side of the body (131) close to the substrate (110), and a second sealing portion (150) is provided at a corresponding position of the substrate (110), the first sealing portion (140) and the second sealing portion (150) being tightly fitted in a sealing manner and being arranged along the circumference of the opening (132).

2. The connecting piece according to claim 1, characterized in that: The first sealing portion (140) has at least two sealing surfaces, and the second sealing portion (150) is provided with two sealing surfaces, wherein the at least two sealing surfaces of the first sealing portion (140) and the at least two sealing surfaces of the second sealing portion (150) abut against each other.

3. The connecting piece according to claim 2, characterized in that: The plurality of stator terminals (120) include a first stator terminal (121), a second stator terminal (122), a third stator terminal (123), a fourth stator terminal (124), a fifth stator terminal (125) and a sixth stator terminal (126), The opening (132) includes a first opening (132a), a second opening (132b) and a third opening (132c); the enclosure (133) includes a first enclosure (133a) corresponding to the first opening (132a), a second enclosure (133b) corresponding to the second opening (132b) and a third enclosure (133c) corresponding to the third opening (132c); The first opening (132a) is used to allow the first stator terminal (121) and the second stator terminal (122) to pass through, the second opening (132b) is used to allow the third stator terminal (123) and the fourth stator terminal (124) to pass through, and the third opening (132c) is used to allow the fifth stator terminal (125) and the sixth stator terminal (126) to pass through.

4. The connecting piece according to any one of claims 1 to 3, characterized in that: The insulating glue receiving piece (130) is made of plastic and is integrally formed.

5. The connecting piece according to any one of claims 1 to 3, characterized in that: The body (131) is fixed on the substrate (110) by means of press-fitting.

6. The connecting piece according to any one of claims 1 to 3, characterized in that: The insulating glue container (130) is provided with two positioning holes (136) and / or a clamping portion (137) for clamping.

7. The connecting piece according to claim 3, characterized in that: The insulating glue container (130) is provided with a first rib (134) and a second rib (135) for enhancing structural strength, wherein the first rib (134) is fixed between the first enclosure (133a) and the second enclosure (133b), and the second rib (135) is fixed between the second enclosure (133b) and the third enclosure (133c).

8. The connecting piece according to any one of claims 1 to 3, characterized in that: One of the first sealing portion (140) and the second sealing portion (150) has a convex cross-section, and the other has a concave cross-section.

9. A motor, characterized in that: The motor is provided with a connecting piece (100) according to any one of claims 3 to 8, wherein the motor is a three-phase motor, the first stator terminal (121) and the second stator terminal (122) are U-phase terminals, the third stator terminal (123) and the fourth stator terminal (124) are V-phase terminals, and the fifth stator terminal (125) and the sixth stator terminal (126) are W-phase terminals.

10. A vehicle-mounted compressor, characterized in that: The vehicle-mounted compressor (10) is equipped with a motor and an electronic control unit according to claim 9.

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