CN218325148U

CN218325148U - Electronic component holder and compressor

Info

Publication number: CN218325148U
Application number: CN202122387703.2U
Authority: CN
Inventors: 李�柱; 夏建云
Original assignee: Robert Bosch GmbH
Current assignee: Robert Bosch GmbH
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-01-17
Anticipated expiration: 2031-09-30

Abstract

The utility model provides an electronic parts support and compressor. The electronic component holder includes: a plate-shaped holder body made of an insulating material, the holder body including opposing first and second sides, the first side of the holder body including a plurality of receiving portions for securing a plurality of electronic components; at least one busbar secured to the plate bracket body, the at least one busbar comprising: a stem secured to the bracket body; first connecting ends extending from the main part to the first side of the bracket body are respectively connected with corresponding electronic components in the accommodating parts; the second connecting end extends from the main part to the second side of the bracket body and is used for being connected with a circuit board; the at least one bus bar is configured to electrically couple the plurality of electronic components to the circuit board. The electronic component holder according to the embodiment facilitates assembly to a circuit board.

Description

Electronic component holder and compressor

Technical Field

The utility model relates to an electronic parts field, more specifically, the utility model relates to a compressor that is used for with electronic parts especially cylindrical condenser rule soil preparation fixed to the support of circuit board and has this type of support.

Background

In existing electronic components, such as electronic control units, cylindrical capacitors, such as DC-link capacitors, are typically soldered directly to the circuit board and occupy a large space on the circuit board. Some manufacturers use brackets to arrange the cylindrical capacitors, and the capacitors on these brackets are electrically connected to the circuit board by selective soldering.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve or at least alleviate the problem that exists among the prior art.

According to an aspect, there is provided an electronic component holder including:

a plate-shaped holder body made of an insulating material, the holder body including first and second opposite sides, the first side of the holder body including a plurality of receiving portions for fixing a plurality of electronic components;

at least one bus bar fixed to the plate-like support body, the at least one bus bar comprising:

a stem secured to the bracket body;

first connecting ends extending from the main part to the first side of the bracket body are respectively connected with corresponding electronic components in the accommodating parts; and

at least one pair of second connecting ends extending from the trunk portion to the second side of the bracket body for connecting with a circuit board;

the at least one bus bar is configured to electrically couple the plurality of electronic components to the circuit board.

In another aspect, there is provided a compressor including the electronic component holder according to various embodiments.

The electronic component holder according to the embodiment facilitates assembly to a circuit board.

Drawings

The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are for illustrative purposes only and are not intended to constitute a limitation on the scope of the present disclosure. Moreover, in the drawings, like numerals are used to indicate like parts, and in which:

fig. 1 and 2 show perspective views of a front side and a back side of an electronic component holder and a capacitor mounted therein, respectively, according to an embodiment;

fig. 3 shows a perspective view of a first bus bar and a second bus bar in an electronic component holder according to an embodiment;

fig. 4 shows a circuit connection diagram of an electronic component holder according to an embodiment;

FIG. 5 shows a circuit connection diagram of an electronic component holder according to another embodiment;

fig. 6 shows a perspective view of the electronic component holder according to the embodiment when mounted to a circuit board; and

fig. 7 shows a perspective view of the electronic component holder and the circuit board when mounted to the compressor according to the embodiment.

Detailed Description

An electronic component holder according to an embodiment of the present invention will be described first with reference to fig. 1 to 4. The electronic component holder includes: the rack body 1 is made of a plate-shaped insulating material and comprises a first side 11 (upper side in fig. 1) and a second side 12 (lower side in fig. 1) which are opposite, and the first side 11 of the rack body 1 comprises a plurality of accommodating parts for fixing a plurality of

electronic components

41,42,43,44, wherein each accommodating part is used for accommodating a cylindrical capacitor, for example. The first bus bar 21 and the second bus bar 22 are molded in the holder body 1, and a state of the first bus bar 21 and the second bus bar 22 after the holder body 1 is removed is shown in fig. 3. The first bus bar 21 and the second bus bar 22 are electrically isolated from each other, and their trunk portions 210,220 may overlap one another. In alternative embodiments, the first and

second bus bars

21, 22 may be secured to the electronic component holder by other means, for example by being plugged into the electronic component holder. The first bus bar 21 and the second bus bar 22 each include: a stem 210,220 fixed to the stent body; a plurality of first connection ends 211,221 extending from the trunk portions 210,220 toward the first side of the rack body to be respectively connected with the first polarity terminal and the second polarity terminal of the corresponding electronic component in the plurality of receiving portions, each first connection end 211 of the first bus bar in the embodiment of the figure being electrically coupled with the negative terminal 411 of the electronic component, each first connection end 221 of the second 2 bus bar being electrically coupled with the positive terminal 412 of the electronic component; and at least one second connection end 212,222 extends from the backbone portion 210,220 toward the second side of the bracket body for connection to a circuit board. Although two second connection ends 212,222 are shown in the figures as each bus bar, in alternative embodiments, each bus bar may include only one second connection end. With continued reference to fig. 4, the first connection ends 211 of the first busbar 21 are respectively connected to the cathodes of four

electronic components

41,42,43,44, the first connection ends 221 of the second busbar 22 are respectively connected to the anodes of four

electronic components

41,42,43,44, and are connected to the IGBT switches on the circuit board 2 through a pair of second connection ends 212,222 of the first busbar 21 and the second busbar 22, and the other pair of second connection ends 212,222 of the first busbar 21 and the second busbar 22 are connected to the power supply U2 on the circuit board 2, thereby realizing the mutual parallel connection of the four

electronic components

41,42,43,44 and being electrically coupled to the circuit board 2.

A modification is shown in fig. 5, in which a pair of second connection terminals 212,222 through the first busbar 21 and the second busbar 22 are connected to both the IGBT switches on the circuit board 2 and the power supply U2. In the embodiment of fig. 5, each of the first and second bus bars comprises only one second connection end 212,222.

It should be understood that the number and the structure of the above bus bars are illustrative, and other types of bus bar structures are conceivable to realize other connection modes between the electronic components, for example, a single or a plurality of bus bars are used to connect the electronic components in series and then connected to the circuit board, or a plurality of bus bars are used to connect some electronic components in parallel and then connected to the circuit board after being connected with other electronic components in series. According to the utility model discloses an electronic parts support is reconnected to the circuit board after passing through the electronic parts electric connection of generating line on with the support to reduce tie point and the wiring on the circuit board, saved the occupation space on the circuit board.

In some embodiments, the second connection ends 212,222 are snap pins for press-fitting to a circuit board. The second side 12 of the bracket body also includes a plurality of support feet 16 to support the electronic component bracket on and spaced from the circuit board. According to the utility model discloses an electronic parts support has the generating line of moulding in it, thereby provides the insulation of generating line, and the second link of generating line can be set up to the buckle and participate in, therefore, electronic parts support need not welded connection to circuit board. In an alternative embodiment, the second connection ends 212,222 may also be connected to the circuit board by soldering. The support legs, together with the snap pins, firmly fix the electronic part holder to the circuit board and support the electronic part holder at a height above the circuit board so that other electronic devices can be arranged using a space between the electronic part holder and the circuit board.

In some embodiments, at least a portion or all of the receiving portions of the first side of the bracket body are capacitor receiving portions for receiving cylindrical capacitors. The capacitor accommodating part is defined by an arc-shaped notch 17 of the first side of the bracket body wrapping the circumferential surface of the cylindrical capacitor and a plurality of snaps at both sides of the arc-shaped notch 17, for example, the arc-shaped notch 17 and a pair of snaps 141 can firmly fix the cylindrical capacitor horizontally. The cylindrical capacitor arranged horizontally can reduce the vertical height of the whole device and lower the gravity center of the whole device.

In some embodiments, the stent body 1 may be rectangular, including a first direction and a second direction along adjacent sides of the rectangle. In the illustrated embodiment, the first direction is a width direction and the second direction is a length direction. In some embodiments, the middle of the first side of the stent body has a reinforcing rib 13 (thickened portion) along the first direction, and the reinforcing rib 13 may cross the first side of the stent body. The trunk portions 210,220 of the first and

second bus bars

21, 22 may be provided in the reinforcing rib 13, and both sides of the reinforcing rib 13 in the second direction may be provided with a plurality of capacitor accommodating portions, which may be symmetrically provided with respect to the reinforcing rib 13. In the embodiment in the figures, two capacitor accommodating portions in parallel for arranging the

capacitors

41,42 are provided on the upper left of the reinforcing rib 13, and two capacitor accommodating portions in parallel for arranging the

capacitors

43,44 are provided on the lower right of the reinforcing rib 13. The side of each capacitor with the connection terminals 411,412 faces the reinforcing rib 13 and is electrically connected to the first connection terminals 211,221 of the first and second bus bars extending from the reinforcing rib 13. The first connection terminals 211,221 may be metal sheets having recesses, and the connection terminals 411,412 of the capacitor are placed in the recesses of the metal sheets and connected by resistance welding. In some embodiments, the second connection ends 212,222 of the first and second bus bars may be two pairs of snap pins extending from a middle portion of the second side of the bracket body along both side edges of the first direction. Although two capacitor accommodating portions each on both sides of the reinforcing rib 13 are shown in the illustrated embodiment, more capacitor accommodating portions may be provided as needed, for example, three, four, etc. on both sides. The catches 141,142 of the two capacitor receptacles may be staggered in a second direction, i.e., one pair of catches 141 is closer to the stiffener 13 and the other pair of catches 142 is farther from the stiffener. The snaps 141,142 between the two capacitor receptacles may be aligned in a first direction, thereby reducing the width of the bracket body in a second direction. Furthermore, although receptacles for receiving capacitors are shown in the illustrated embodiment, in alternative embodiments, the receptacles may be modified to receive other electronic components.

As shown in fig. 2, in some embodiments, the second side of the bracket body 1 has four supporting legs 16 at four corners, the end portions of the four supporting legs 16 have limiting portions 161, and the limiting portions 161 are constricted in the cross-sectional dimension. As shown in fig. 6, in the case where the assembly 100 of the electronic component holder and the electronic component is mounted to the circuit board 9, the stopper portion 161 is inserted into the hole of the circuit board 9 and the supporting leg 16 is supported on the circuit board, and the second connecting ends 212,222 of the first and second bus bars are plug-fit and electrically connected to the plug-in groove on the circuit board 9, whereby the positioning of the assembly 100 is achieved without further soldering operation.

In some embodiments, the electronic component holder further comprises a shielding plate 5 arranged at the second side of the holder body, the shielding plate 5 being heat-staked to the holder body 1, for example by a plurality of heat-staking points 52. The shielding plate 5 may be, for example, a metal sheet, and further includes a shielding pin 51 extending from an edge of the bracket body 1 to the first side of the bracket body. The shielding pins 51 are, for example, snaps, the inner sides of the shielding pins 51 are supported by the corresponding supporting portions 15 at the first side edge of the bracket body, and the shielding pins 51 can be connected to the housing, thereby improving electromagnetic compatibility. In some embodiments, the support feet 16 are arranged such that there is at least a separation distance of 3.5mm or more between the shield plate 5 and the circuit board.

With continued reference to fig. 6 and 7, a compressor is shown. The compressor according to the embodiment includes: a compressor housing 80, a circuit board 9 arranged in the compressor housing 80, and an electronic component holder according to various embodiments on the circuit board 9. The compressor is for example an on-board electronic compressor, and the circuit board 9 may constitute an electronic control unit of the electronic compressor. More specifically, the side of the circuit board 9 with the electronic component support assembly 100 seen in fig. 3 is mounted to the upper end of the compressor housing 80, wherein a Thermal Interface Material (TIM) is provided between the cylindrical capacitor and the compressor housing 80, and the shielding plate 5 between the second side of the support body and the circuit board is fitted to the compressor housing 80 by means of the shielding pins 51 to achieve a shielding function, thereby improving electromagnetic compatibility (EMC performance). A motor, compressor wheel, etc. may be disposed within the compressor housing 80.

The foregoing description of the specific embodiments has been presented only to illustrate the principles of the invention more clearly, and to show or describe various components clearly so that the principles of the invention may be understood more readily. Various modifications or changes may be readily made by those skilled in the art without departing from the scope of the present invention. It is to be understood that such modifications and variations are intended to be included within the scope of the present invention.

Claims

1. An electronic component holder, comprising:

-a plate-shaped holder body (1) of an insulating material, the holder body comprising a first side (11) and a second side (12) opposite each other, the first side (11) of the holder body comprising a plurality of accommodation portions for fixing a plurality of electronic components (41,42,43,44);

at least one busbar fixed to the plate-like support body (1), the at least one busbar comprising:

a trunk fixed to the stent body (1);

a second connecting end extending from the trunk portion to the second side of the bracket body for connecting with a circuit board;

the at least one bus bar is configured to electrically couple the plurality of electronic components (41,42,43,44) to the circuit board.

2. Electronic component holder according to claim 1, wherein the at least one busbar is moulded to the plate-like holder body (1), wherein the at least one busbar comprises electrically isolated first and second busbars (21, 22), the first and second busbars (21, 22) each comprising:

a trunk (210, 220) molded in the stent body (1);

a plurality of first connection ends (211, 221) extending from the trunk portion (210, 220) to a first side of the bracket body to be connected with first polarity terminals and second polarity terminals of corresponding electronic components in the plurality of accommodation portions, respectively; and

at least one second connection end (212, 222) extending from the stem portion (210, 220) toward the second side of the bracket body for connection to a circuit board;

the first and second bus bars are configured to electrically couple the plurality of electronic components (41,42,43,44) in parallel to the circuit board.

3. The electronic component holder according to claim 2, wherein the second side of the holder body has a plurality of support feet (16) to support the electronic component holder on and spaced from the circuit board.

4. The electronic component holder according to claim 3, further comprising a shielding plate (5) attached at a second side of the holder body,

wherein the plurality of support feet (16) are arranged such that the distance between the shielding plate (5) and the circuit board is greater than 3.5mm;

the end parts of the supporting legs comprise limiting parts (161), and the limiting parts (161) are contracted relative to the supporting legs and are used for being inserted into corresponding holes of the circuit board;

wherein the shield plate further comprises a shield pin (51) extending from the bracket body edge to the first side of the bracket body;

the shielding pins (51) are buckles, and the inner sides of the shielding pins (51) are supported by corresponding supporting parts (15) at the first side edge of the support body;

wherein the shield plate (5) is fixed to the second side of the bracket body (1) by heat staking.

5. The electronic component holder according to claim 2, wherein the first and second bus bars each comprise two second connection ends (212, 222), the second connection ends (212, 222) of the first and second bus bars being two pairs of snap pins extending from the second side of the holder body.

6. Electronic component holder according to any one of claims 1-5, characterized in that at least a part of the accommodation of the first side (11) of the holder body is a capacitor accommodation for accommodating a cylindrical capacitor,

wherein the capacitor accommodating part is defined by an arc-shaped notch (17) of a first side of the bracket body for wrapping a circumferential surface of the cylindrical capacitor and a plurality of buckles (141, 142) of both sides of the arc-shaped notch.

7. The electronic component holder according to any one of claims 2-5, wherein the holder body (1) is rectangular, defining a first direction and a second direction along adjacent sides of the rectangle,

wherein the trunk parts of the first and second bus bars are molded in a reinforcing rib (13) in a first direction at the middle of a first side of the holder body, and a plurality of capacitor accommodating parts are symmetrically arranged on both sides of the reinforcing rib (13) in the second direction;

wherein the first connection ends (211, 221) of the first and second bus bars are tab-like pins extending from the reinforcing rib at the first side of the holder body to the respective capacitor accommodating parts,

wherein the tab lead has a notch for engaging with a first polarity terminal and a second polarity terminal of the capacitor,

the first bus and the second bus respectively comprise two second connecting ends extending from two ends of the main part, and the total four second connecting ends (212, 222) of the first bus and the second bus are two pairs of buckling pins extending from the middle part of the second side of the bracket body along two side edges of the first direction;

and wherein the second side of the bracket body has four support feet (16) at four corners.

8. The electronic component holder according to claim 7, wherein the first side of the holder body includes two capacitor accommodating portions provided in parallel each on both sides of the reinforcing rib (13) in the second direction.

9. A compressor, characterized in that the compressor comprises: compressor housing (80), a circuit board (9) arranged in the compressor housing, and an electronic component holder according to any one of claims 1 to 8 on the circuit board (9), the snap-in pins of which are plugged to the circuit board in an electrically conductive connection and the support feet (16) of which are fitted to the circuit board.

10. Compressor according to claim 9, characterized in that a cylindrical capacitor is arranged in the accommodation of the first side of the bracket body of the electronic component bracket, a thermal interface material is arranged between the cylindrical capacitor and the compressor housing, a shielding plate (5) is attached to the second side of the bracket body, the shielding plate comprises shielding pins (51) extending from the edge of the bracket body to the first side of the bracket body, the shielding pins (51) are connected to the compressor housing.