CN208637314U - Support Capacitor radiator structure and drive motor controller - Google Patents

Support Capacitor radiator structure and drive motor controller Download PDF

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Publication number
CN208637314U
CN208637314U CN201821412039.4U CN201821412039U CN208637314U CN 208637314 U CN208637314 U CN 208637314U CN 201821412039 U CN201821412039 U CN 201821412039U CN 208637314 U CN208637314 U CN 208637314U
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China
Prior art keywords
power module
support capacitor
capacitor
pin
insulating heat
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CN201821412039.4U
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Chinese (zh)
Inventor
唐曙华
郭尧
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Suzhou Huichuan United Power System Co Ltd
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Suzhou Huichuan United Power System Co Ltd
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Abstract

The utility model provides a kind of Support Capacitor radiator structure and drive motor controller, the power module pin of the Support Capacitor is fixedly connected with the capacitor pin of power module and the portion that forms a fixed connection, the radiator structure includes radiating piece and insulating heat-conductive portion, in which: the insulating heat-conductive portion is made of insulating heat-conduction material;The insulating heat-conductive portion is in contact with the portion of being fixedly connected and carries out heat exchange, and the radiating piece contacts with the insulating heat-conductive portion and carry out heat exchange, and the radiating piece insulate with the portion of being fixedly connected.The utility model is radiated by insulating heat-conductive portion be fixedly connected portion of the radiating piece between Support Capacitor and power module, to reduce the heat conduction between power module and Support Capacitor, avoids Support Capacitor and temperature of power module is more than operating temperature.

Description

Support Capacitor radiator structure and drive motor controller
Technical field
The utility model relates to electric machine controller fields, more specifically to a kind of Support Capacitor radiator structure and drive Dynamic electric machine controller.
Background technique
In the drive motor controller of new-energy automobile, the noise that needs to generate power module using Support Capacitor into Row filtering processing.As shown in Figure 1, be common Support Capacitor 1 structure, the Support Capacitor 1 include two groups totally four pins 11, 12,13,14, wherein being equipped with hole 15 on pin 13, there is on pin 14 hole 16.As shown in Fig. 2, being the signal of power module 2 Figure, which includes the pin 21,22 connect with Support Capacitor 1, and is had in pin 21 with hole 23, on pin 22 Hole 24.When above-mentioned Support Capacitor 1 and power module 2 are assembled into electric machine controller, the anode and cathode of high-tension battery connect respectively It is connected to the pin 11,12 of Support Capacitor 1, the pin 13 of Support Capacitor 1 and the pin 22 of power module 2 are stacked and pass through screw 131 fixed (screw 131 passes through hole 15,24), the pin 14 of Support Capacitor 1 and the pin 21 of power module 2 are stacked and pass through spiral shell Nail 141 is fixed (screw 141 passes through hole 16,23), as shown in Figure 3.Other pins of power module 2 respectively with motor control module 4 and motor 3 connect.
The heat of power module 2 can be transmitted on Support Capacitor 1 by the connection pin of the two.And in order to reduce branch The parasitic inductance connected between support capacitor 1 and power module 2, improves filter effect, and Support Capacitor 1 is needed as close as possible to power module 2, which results in more heats to be transmitted to Support Capacitor 1.
In order to guarantee service life of the work of Support Capacitor 1 within its operating temperature with guarantee Support Capacitor 1, need to support Capacitor 1 carries out radiating treatment, and common radiating mode is the shell by the waterway wall of radiator or controller and Support Capacitor 1 Body contact.In order to reach scheduled heat dissipation effect, Support Capacitor 1 is usually needed by specially treated, for example uses aluminum substrate etc.. But the processing mode can make the cost of Support Capacitor 1 greatly increase.
Utility model content
The technical problem to be solved by the present invention is to mention aiming at the problem that above-mentioned Support Capacitor radiates higher cost For a kind of new Support Capacitor radiator structure and drive motor controller.
The technical solution that the utility model solves above-mentioned technical problem is to provide a kind of Support Capacitor radiator structure, described The power module pin of Support Capacitor is fixedly connected with the capacitor pin of power module and the portion that forms a fixed connection, the heat dissipation knot Structure includes radiating piece and insulating heat-conductive portion, in which: the insulating heat-conductive portion is made of insulating heat-conduction material;The insulating heat-conductive portion It is in contact with the portion of being fixedly connected and carries out heat exchange, the radiating piece contacts with the insulating heat-conductive portion and carries out hot friendship It changes, and the radiating piece insulate with the portion of being fixedly connected.
It is described to be fixedly connected in portion in Support Capacitor radiator structure described in the utility model, the power module Capacitor pin is located between the power module pin and heat conductive insulating portion of the Support Capacitor.
In Support Capacitor radiator structure described in the utility model, the insulating heat-conductive portion is by the insulation that is easily squeezed and deformed Heat Conduction Material is constituted.
In Support Capacitor radiator structure described in the utility model, the insulating heat-conductive portion filling is completely described to be fixedly connected Gap between portion and radiating piece.
In Support Capacitor radiator structure described in the utility model, the size of the radiating piece is greater than the Support Capacitor Gap between the power module, and the radiating piece and the contact surface in the insulating heat-conductive portion are located at the Support Capacitor Or the top of power module.
In Support Capacitor radiator structure described in the utility model, the power module pin of the Support Capacitor is only connected To the power module capacitor pin or the Support Capacitor power module pin simultaneously connect the high-tension battery and The capacitor pin of the power module.
In Support Capacitor radiator structure described in the utility model, the Support Capacitor includes that multiple power modules draw Foot, the power module include multiple capacitor pins, and each power module pin constitutes one with a capacitor pin respectively It is a to be fixedly connected with portion;Portion and an insulating heat-conductive portion thermal contact conductance, and multiple insulating heat-conductive portions are fixedly connected with described in each Respectively with the same heat sink contact it is thermally conductive or it is multiple it is described be fixedly connected with portion and contacted with the same insulating heat-conductive portion lead Heat.
In Support Capacitor radiator structure described in the utility model, the power module pin of the Support Capacitor with it is described Fixation is fixed by screw, is welded and fixed or crimped to the capacitor pin of power module.
The utility model also provides a kind of drive motor controller, including shell, Support Capacitor and power module, special Sign is, including Support Capacitor radiator structure as described above.
In drive motor controller described in the utility model, there is cooling wall, and the radiating piece on the shell Heat exchange is carried out with the cooling wall.
The Support Capacitor radiator structure and drive motor controller of the utility model, which have the advantages that, passes through insulation Heat-conducting part radiates with the portion of being fixedly connected of the radiating piece between Support Capacitor and power module, to reduce power module and support Heat conduction between capacitor, avoids Support Capacitor and temperature of power module is more than operating temperature.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing Support Capacitor;
Fig. 2 is the structural schematic diagram of existing power module;
Fig. 3 is the attachment structure schematic diagram of existing Support Capacitor and power module;
Fig. 4 is the schematic diagram of the utility model Support Capacitor radiator structure embodiment.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.
As shown in figure 4, being the schematic diagram of the utility model Support Capacitor radiator structure embodiment, Support Capacitor heat dissipation knot Structure can be applied to drive motor controller, and improve the temperature of Support Capacitor.The power module pin 51 of above-mentioned Support Capacitor 5 (in practical applications, the input Yu output of Support Capacitor 5 can share a pair of pins, i.e., above-mentioned power module pin 51 is also constituted The input pin of Support Capacitor 5, high-tension battery are also connected to the power module pin 51) with the capacitor pin 61 of power module 6 It is fixedly connected and the portion that forms a fixed connection.In above-mentioned fixed structure, the power module pin 51 and power module of Support Capacitor 5 6 capacitor pin 61 can be fixed by screw 71 or the power module pin 51 of Support Capacitor 5 can also be with power module 6 Capacitor pin 61 is fixed etc. by being welded and fixed, crimping.Also, working as above-mentioned Support Capacitor 5 includes multiple power module pins 51, Correspondingly, power module 6 then include multiple capacitor pins 61, and each power module pin 51 respectively with a capacitor pin 61 It is fixedly connected and constitutes one and be fixedly connected with portion.
Above-mentioned radiator structure further includes radiating piece 9 and insulating heat-conductive portion 8, and above-mentioned insulating heat-conductive portion 8 is by insulating heat-conduction material It constitutes, radiating piece 9 can be made of metal material, and the fixed company between insulating heat-conductive portion 8 and Support Capacitor 5 and power module 6 Socket part is in contact and carries out heat exchange, and radiating piece 9 contacts with insulating heat-conductive portion 8 and carry out heat exchange, and radiating piece 9 and fixed company Socket part insulation.In this way, the heat of Support Capacitor 5 is transmitted to by fixed connection structure from power module 6, by insulating heat-conductive portion 8 It is transmitted on radiating piece 9 and radiates.Similarly, the heat of Support Capacitor 5 can also be led by securing connection structure and insulation Hot portion 8 is transmitted to radiating piece 9 and radiates.
Above-mentioned Support Capacitor radiator structure is by insulating heat-conductive portion 8 and radiating piece 9 between Support Capacitor 5 and power module 6 The portion of being fixedly connected heat dissipation, thus reduce between power module 6 and Support Capacitor 5 heat conduction, avoid because of power mould The heat of block 6 and cause 5 temperature of Support Capacitor be more than its operating temperature, extend the service life of Support Capacitor.Above-mentioned support Capacitor radiator structure radiates from the source of the fever of Support Capacitor 5, and structure is simple, good heat dissipation effect, at low cost.Above-mentioned knot Structure also adds the thermal capacitance of terminal (i.e. pin), reduces the temperature rise of short-time overload operating condition lower terminal.
When passing through the connection of multiple portions of being fixedly connected between Support Capacitor 5 and power module 6, portion can be fixedly connected with to be each One insulating heat-conductive portion 8 is set, and multiple insulating heat-conductive portions 8 are respectively with same 9 thermal contact conductance of radiating piece, i.e., it is multiple to be fixedly connected Portion conducts heat to radiating piece 9 each by corresponding insulating heat-conductive portion 8, and is distributed heat by radiating piece 9.When When the multiple spacing that are fixedly connected between portion are smaller, it is possible to use an insulating heat-conductive portion 8, and will by the insulating heat-conductive portion 8 Heat is transmitted to radiating piece 9.
Particularly, above-mentioned radiating piece 9 and can realize heat with other component (such as shell of controller etc.) thermally conductive connection Amount transmitting and heat dissipation.In addition, radiating piece 9 is also the cooling fin in the air duct in controller shell body, it specifically can be according to difference Application selection.
Since the calorific value of power module 6 is relatively large, to improve radiating efficiency, above-mentioned Support Capacitor 5 and power module 6 Be fixedly connected in portion, the capacitor pin 61 of power module 6 is located at close to the side of radiating piece 9, i.e. the capacitor of power module 6 draws Foot 61 is located between the power module pin 51 and heat conductive insulating portion 8 of Support Capacitor 5, and directly contacts with heat conductive insulating portion 8.When So, in practical applications, the power module pin 51 of Support Capacitor 5 can also be made to be located at the capacitor pin 61 of power module 6 and lead Between heat insulation portion 8.
Above-mentioned insulating heat-conductive portion 8 is made of the insulating heat-conduction material for being easily squeezed and deformed (such as paste).When insulating heat-conductive portion 8 When being made of insulating heat-conduction material paste, which is coated in and is fixedly connected in portion, and the thickness of coating is to be able to satisfy Thermally conductive, insulation and structure space requirement, specifically can be determines according to actual conditions.To improve heat conduction efficiency, above-mentioned insulation is led The fillable gap being completely fixedly connected between portion and radiating piece 9 in hot portion 8.
To improve radiating efficiency, the size of above-mentioned radiating piece 9 is greater than the gap between Support Capacitor 5 and power module 6, and And in order to facilitate the installation of, the contact surface in radiating piece 9 and insulating heat-conductive portion 8 be located at Support Capacitor 5 or power module 6 top (with Support Capacitor 5 and power module 6 do not contact).
The utility model also provides a kind of drive motor controller, such as the drive motor controller in new-energy automobile. The drive motor controller includes shell, Support Capacitor and power module, including the upper Support Capacitor radiator structure.
Can having cooling wall in above-mentioned drive motor controller, on shell, (other side of cooling wall can be coolant liquid Chamber), and the radiating piece in Support Capacitor radiator structure carries out heat exchange (for example, radiating piece can be direct with cooling wall with cooling wall Contact).
The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in Change or replacement, should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should It is subject to the protection scope in claims.

Claims (10)

1. a kind of Support Capacitor radiator structure, the power module pin of the Support Capacitor and the capacitor pin of power module are fixed It connects and the portion that forms a fixed connection, which is characterized in that the radiator structure includes radiating piece and insulating heat-conductive portion, in which: described Insulating heat-conductive portion is made of insulating heat-conduction material;The insulating heat-conductive portion is in contact with the portion of being fixedly connected and carries out hot friendship Change, the radiating piece contacts with the insulating heat-conductive portion and carries out heat exchange, and the radiating piece with described to be fixedly connected with portion exhausted Edge.
2. Support Capacitor radiator structure according to claim 1, which is characterized in that described to be fixedly connected in portion, the function The capacitor pin of rate module is located between the power module pin and heat conductive insulating portion of the Support Capacitor.
3. Support Capacitor radiator structure according to claim 1, which is characterized in that the insulating heat-conductive portion is by easily squeezing change The insulating heat-conduction material of shape is constituted.
4. Support Capacitor radiator structure according to claim 3, which is characterized in that the insulating heat-conductive portion filling is full described It is fixedly connected with the gap between portion and radiating piece.
5. Support Capacitor radiator structure according to claim 4, which is characterized in that the size of the radiating piece is greater than described Gap between Support Capacitor and the power module, and the radiating piece and the contact surface in the insulating heat-conductive portion are positioned at described The top of Support Capacitor or power module.
6. Support Capacitor radiator structure according to claim 1, which is characterized in that the power module of the Support Capacitor draws Foot is connected only to the capacitor pin of the power module or the power module pin of the Support Capacitor while connecting high-voltage electricity The capacitor pin of pond and the power module.
7. Support Capacitor radiator structure according to claim 1, which is characterized in that the Support Capacitor includes multiple power Module pin, the power module include multiple capacitor pins, each power module pin respectively with a capacitor pin It constitutes one and is fixedly connected with portion;Portion and an insulating heat-conductive portion thermal contact conductance, and multiple insulation are fixedly connected with described in each Heat-conducting part is thermally conductive or multiple described be fixedly connected with portion and connect with the same insulating heat-conductive portion with the same heat sink contact respectively It touches thermally conductive.
8. Support Capacitor radiator structure according to claim 1, which is characterized in that the power module of the Support Capacitor draws Fixation is fixed by screw with the capacitor pin of the power module, is welded and fixed or crimped to foot.
9. a kind of drive motor controller, including shell, Support Capacitor and power module, which is characterized in that wanted including right Seek Support Capacitor radiator structure described in any one of 1-8.
10. drive motor controller according to claim 9, which is characterized in that have cooling wall, and institute on the shell It states radiating piece and the cooling wall carries out heat exchange.
CN201821412039.4U 2018-08-30 2018-08-30 Support Capacitor radiator structure and drive motor controller Active CN208637314U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821412039.4U CN208637314U (en) 2018-08-30 2018-08-30 Support Capacitor radiator structure and drive motor controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821412039.4U CN208637314U (en) 2018-08-30 2018-08-30 Support Capacitor radiator structure and drive motor controller

Publications (1)

Publication Number Publication Date
CN208637314U true CN208637314U (en) 2019-03-22

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CN201821412039.4U Active CN208637314U (en) 2018-08-30 2018-08-30 Support Capacitor radiator structure and drive motor controller

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113745001A (en) * 2020-05-29 2021-12-03 士林电机厂股份有限公司 Capacitor element heat radiation structure of controller

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113745001A (en) * 2020-05-29 2021-12-03 士林电机厂股份有限公司 Capacitor element heat radiation structure of controller
CN113745001B (en) * 2020-05-29 2023-08-04 士林电机厂股份有限公司 Capacitor element heat radiation structure of controller

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GR01 Patent grant
GR01 Patent grant
CP03 Change of name, title or address

Address after: 215000 52 tianedang Road, Yuexi, Wuzhong District, Suzhou City, Jiangsu Province

Patentee after: Suzhou Huichuan United Power System Co.,Ltd.

Address before: 215000 52 tianedang Road, Yuexi Town, Wuzhong District, Suzhou City, Jiangsu Province

Patentee before: SUZHOU HUICHUAN UNITED POWER SYSTEM Co.,Ltd.

CP03 Change of name, title or address