CN205596498U - Motor controller - Google Patents
Motor controller Download PDFInfo
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- CN205596498U CN205596498U CN201620256988.2U CN201620256988U CN205596498U CN 205596498 U CN205596498 U CN 205596498U CN 201620256988 U CN201620256988 U CN 201620256988U CN 205596498 U CN205596498 U CN 205596498U
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Abstract
The utility model provides a motor controller, including the base and installing the power unit on the base, power unit includes base plate and a plurality of conductive terminal, and a plurality of conductive terminal set up on the base plate, and still including setting up a plurality of power tubes on the base plate, a plurality of power tubes are located between base plate and the base power unit, are provided with the heating panel on the base, and motor controller still includes the clamp plate, and the clamp plate includes the fixed part and compresses tightly the portion, fixed part and base fixed connection, and a plurality of power tubes are connected between portion of compressing tightly and heating panel. Because the heat major part that the motor controller during operation produced comes from power tube and electric capacity etc. Adopt the clamp plate to compress tightly a plurality of power tubes towards the heating panel, like this, the heat of production is just to the base transmission of being connected with the heating panel, is favorable to improving motor controller's heat dispersion. In addition, the first device structure who is located on power unit's the base plate is compact, has realized motor controller's miniaturization.
Description
Technical field
This utility model relates to vehicle accessory field, especially relates to a kind of electric machine controller for electric motor car.
Background technology
Electromobile because of its not burns gasoline produce power, there is environmental protection, pollute little feature, at tourist attraction etc., the place that environmental requirement is higher is widely used.Existing electromobile is provided with an alternating-current controller, for being converted into three-phase alternating-current supply and drive electric machine rotation by the DC source that accumulator exports.
Owing to being provided with substantial amounts of electronic device in electric machine controller, substantial amounts of heat is produced during the work of these electronic devices, produce when the heat of wherein most is mainly worked by the inducer in electric machine controller, electric capacity and power tube, if heat can not distribute in time, the service life of electronic device can be affected, cause the lost of life of electric machine controller.
Existing electric machine controller includes base and power cell, power cell includes substrate and power tube, through hole is offered on substrate, thermal column it is provided with on base, after thermal column passes from through hole, power tube and thermal column are by a clamp, and during electric machine controller work, the heat that power tube produces is transmitted to downwards base by thermal column.Clip operation inconvenience, further, since offered through hole on substrate, therefore can waste the space arranging components and parts on substrate, increase the area of substrate, be unfavorable for the miniaturization of electric machine controller.
Summary of the invention
Main purpose of the present utility model is to provide a kind of electric machine controller having excellent heat dispersion performance and realizing miniaturization.
To achieve these goals, this utility model provides a kind of electric machine controller, including base and the power cell being arranged on base, power cell includes substrate and multiple conducting terminal, multiple conducting terminals are arranged on substrate, power cell also includes the multiple power tubes being arranged on substrate, multiple power tubes are between substrate and base, heat sink it is provided with on base, electric machine controller also includes pressing plate, pressing plate includes fixed part and compressed part, and fixed part is fixing with base to be connected, and multiple power tubes are connected between compressed part and heat sink.
From such scheme, owing to the heat major part produced when electric machine controller works is from power tube and electric capacity etc., pressing plate is used to be compressed towards heat sink by multiple power tubes, so, the heat produced just to the base transmission being connected with heat sink, is conducive to improving the heat dispersion of electric machine controller.It addition, the component structure being positioned on the substrate of power cell is compact, it is achieved that the miniaturization of electric machine controller.
One preferred scheme is, adjacent between power tube and heat sink have the first heat-conducting silica gel sheet.
As can be seen here; the main purpose selecting heat-conducting silica gel sheet is to reduce the thermal contact resistance produced between power tube and heat sink contact surface; utilize heat-conducting silica gel sheet can well fill the gap of this contact surface; owing to air is the non-conductor of heat; can seriously hinder heat transmission between contact surface; and between power tube and heat sink, install heat-conducting silica gel sheet additional air can be extruded contact surface; be conducive to improving radiating effect; heat-conducting silica gel sheet has good insulating properties and damping performance, the most more preferable protection circuit plate simultaneously.
One preferred scheme is that base is provided with sloping platform, and fixed part is fixedly connected on sloping platform.
As can be seen here, pressing plate be obliquely installed the placement facilitating pressing plate, the effect installing and compress more preferable.It addition, pressing plate be obliquely installed can instrument convenient to operate, when installing screw, prevent the interference to instrument of the substrate etc. of power amplifier board, power cell.
One preferred scheme is to offer skewed slot on base, and fixed part is fixedly connected in skewed slot.
As can be seen here, during clam member, pressing plate can produce counteracting force, and arranging of skewed slot realizes location to pressing plate, prevents pressing plate from moving under counteracting force with one end of base contacts.
One preferred scheme is, power cell includes the multiple electric capacity being arranged on substrate, and multiple electric capacity are between substrate and base, and base offers groove, and electric capacity is positioned in groove.
As can be seen here, groove base being arranged receiving electric capacity can save the space placed shared by electric capacity.
Further preferred scheme is, is provided with second heat-conducting silica gel sheet adjacent with electric capacity in groove.
As can be seen here, the setting of heat-conducting silica gel sheet can realize the close contact between electric capacity and base, it is simple to the transmission of heat between the two, is conducive to improving radiating effect.
One preferred scheme is that the top of heat sink is provided with multiple locating dowel, and substrate offers hole, multiple location, and a locating dowel is through hole, a location.
As can be seen here, multiple locating dowels and the corresponding cooperation positioning hole, it is achieved being accurately positioned between substrate and the base of power cell.
Further preferred scheme is, the both sides at heat sink top are provided with multiple support column, and support column adjoins with substrate.
As can be seen here, after power cell is positioned by locating dowel, support column can prevent substrate disequilibrium, and especially electric motor car is at the road traveling that jolts, and when i.e. electric machine controller uses in vibrations, prevents substrate from producing shake or situation banking.
One preferred scheme is to be provided with blind hole in heat sink, and electric machine controller also includes the temperature sensor being arranged in blind hole, is filled with heat-conducting glue between temperature sensor and blind hole.
As can be seen here, temperature sensor, for monitoring the temperature of base, carries out overtemperature protection to electric machine controller.
One preferred scheme is, the bottom of base offers multiple radiating groove, and base, heat sink, locating dowel, support column, sloping platform and radiating groove are integral type cast aluminium forming.
As can be seen here, radiating groove, owing to increasing the heat-conducting area of base, can be effectively improved heat dispersion.Meanwhile, aluminum is the good conductor of heat, and the capacity of heat transmission of aluminum is 3 times of the capacity of heat transmission of ferrum, utilizes aluminum can effectively improve heat dispersion as heat dissipation conductor.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model electric machine controller embodiment；
Fig. 2 is the structure chart after this utility model electric machine controller embodiment removes housing；
Fig. 3 is the STRUCTURE DECOMPOSITION figure of each assembly of Fig. 2；
Fig. 4 is base and the structure chart of pressing plate of this utility model electric machine controller embodiment；
Fig. 5 is the structure chart of the power cell of this utility model electric machine controller embodiment；
Fig. 6 is base and the top view of power cell of this utility model electric machine controller embodiment；
Fig. 7 is the sectional view in Fig. 6 at A-A.
Below in conjunction with drawings and Examples, the utility model is described in further detail.
Detailed description of the invention
Seeing Fig. 1, the present embodiment electric machine controller includes housing 1 and base 2, and housing 1 is arranged on base 2, and the bottom of base offers multiple radiating groove 25.
Seeing Fig. 2 and Fig. 3, power cell 3 is arranged on base 2, and including substrate 31 and multiple conducting terminal 32, multiple conducting terminals 32 are arranged on the substrate 31.
Seeing Fig. 3 and Fig. 4, power cell 3 also includes that being divided into two row arranges multiple power tubes 33 on the substrate 31, and multiple power tubes 33 are between substrate 31 and base 2.Two heat sinks 21,26 are separately positioned on the both sides of base 2, string power tube 33 is arranged near heat sink 21, another row power tube 33 is arranged near heat sink 26, electric machine controller also includes two pressing plates 4,5, pressing plate 4 includes fixed part 41 and compressed part 42, fixed part 41 and base 2 is fixing to be connected, and the power tube 33 being positioned close to heat sink 21 side is connected between compressed part 42 and heat sink 21, and adjoins between power tube 33 and heat sink 21 and have a heat-conducting silica gel sheet 34.Pressing plate 5 is completely the same with pressing plate 4 structure, and is oppositely arranged with pressing plate 4.
Seeing Fig. 4, base 2 is provided with sloping platform 22, and the fixed part 41 of pressing plate 4 is fixedly connected on sloping platform 22, and power tube 33 is compressed by compressed part 42 to heat sink 21.Seeing Fig. 4 and Fig. 7, base 2 offers skewed slot 27, fixed part 41 is fixedly connected in skewed slot 27.
The top of heat sink 21,26 is provided with multiple locating dowel 211, and substrate 31 offers hole, multiple location 311, and a locating dowel 211 is through hole 311, a location, and the both sides at heat sink 21,26 top are provided with multiple support column 212, and support column 212 adjoins with substrate 31.It is provided with blind hole 213 in heat sink 21, temperature sensor is installed in blind hole 213, between temperature sensor and blind hole 213, is filled with heat-conducting glue.Heat-conducting glue for monitoring the temperature of base 2, can carry out overtemperature protection to electric machine controller to temperature sensor, temperature sensor by the heat on heat loss through conduction plate 21.
See Fig. 4 and Fig. 5, power cell 3 includes the multiple electric capacity 35 arranged on the substrate 31, and multiple electric capacity 35 are between substrate 31 and base 2, and base 2 offers groove 23, electric capacity 35 is positioned in groove 23, is provided with and the adjacent heat-conducting silica gel sheet 24 of electric capacity 35 in groove 23.The purpose arranging groove 23 on base 2 is to step down to electric capacity 35, saves and places space shared by electric capacity 35.When electric machine controller works, electric capacity 35 can produce amount of heat, the heat that electric capacity 35 produces can be delivered to base 2 by heat-conducting silica gel sheet 24, be effectively improved heat dispersion.
See Fig. 6 and Fig. 7, during assembling motor controller, by the locating dowel 211 on base 2 through the hole, location 311 on substrate 31, use pressing plate 4 to make together with power tube 33, heat-conducting silica gel sheet 34 be close to heat sink 21, use pressing plate 5 to make together with power tube 33, heat-conducting silica gel sheet 36 be close to heat sink 26.When electric machine controller normally works, power tube 33 can produce substantial amounts of heat, now, can be delivered to by the heat on power tube 33 on heat sink 21,26 by heat-conducting silica gel sheet 34,36, and the heat on heat sink 21,26 is sent on base 2.Owing to having multiple radiating grooves 25 of bigger area of dissipation on base 2, so being conducive to improving the heat dispersion of electric machine controller.
Further, in the present embodiment, base 2, heat sink 21, locating dowel 211, support column 212, sloping platform 22 and radiating groove 25 are integral type cast aluminium forming.
Therefore, owing to the heat major part produced when electric machine controller works is from power tube and electric capacity etc., pressing plate is used to be compressed towards heat sink by multiple power tubes, so, the heat produced just to the base transmission being connected with heat sink, is conducive to improving the heat dispersion of electric machine controller.It addition, the component structure being positioned on the substrate of power cell is compact, it is achieved that the miniaturization of electric machine controller.
Finally it is emphasized that; above-mentioned embodiment be only this utility model preferred embodiment; this utility model is not limited to above-mentioned embodiment, also should be included in this utility model scope of the claims as the change etc. of locating dowel and the change of support column quantity and power tube number of pin changes.
Claims (10)
1. electric machine controller, including base and the power cell being arranged on described base, described power cell includes substrate and multiple conducting terminal, and multiple described conducting terminals are arranged on the substrate；
It is characterized in that:
Described power cell also includes the multiple power tubes arranged on the substrate, and multiple described power tubes are between described substrate and described base；
Being provided with heat sink on described base, described electric machine controller also includes that pressing plate, described pressing plate include fixed part and compressed part, and described fixed part is fixing with described base to be connected, and multiple described power tubes are connected between described compressed part and described heat sink.
Electric machine controller the most according to claim 1, it is characterised in that:
Adjacent between described power tube and described heat sink have the first heat-conducting silica gel sheet.
Electric machine controller the most according to claim 1, it is characterised in that:
Described base is provided with sloping platform, and described fixed part is fixedly connected on described sloping platform.
Electric machine controller the most according to claim 1, it is characterised in that:
Offering skewed slot on described base, described fixed part is fixedly connected in described skewed slot.
Electric machine controller the most according to claim 1, it is characterised in that:
Described power cell includes the multiple electric capacity arranged on the substrate, and multiple described electric capacity are between described substrate and described base, and described base offers groove, and described electric capacity is positioned in described groove.
Electric machine controller the most according to claim 5, it is characterised in that:
Second heat-conducting silica gel sheet adjacent with described electric capacity it is provided with in described groove.
Electric machine controller the most according to claim 3, it is characterised in that:
The top of described heat sink is provided with multiple locating dowel, and described substrate offers hole, multiple location, and a described locating dowel is through hole, a described location.
Electric machine controller the most according to claim 7, it is characterised in that:
The both sides at described heat sink top are provided with multiple support column, and described support column adjoins with described substrate.
9. according to the electric machine controller described in any one of claim 1 to 6, it is characterised in that:
Being provided with blind hole in described heat sink, described electric machine controller also includes the temperature sensor being arranged in described blind hole, is filled with heat-conducting glue between described temperature sensor and described blind hole.
Electric machine controller the most according to claim 8, it is characterised in that:
The bottom of described base offers multiple radiating groove, and described base, described heat sink, described locating dowel, described support column, described sloping platform and described radiating groove are integral type cast aluminium forming.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256988.2U CN205596498U (en) | 2016-03-30 | 2016-03-30 | Motor controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620256988.2U CN205596498U (en) | 2016-03-30 | 2016-03-30 | Motor controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205596498U true CN205596498U (en) | 2016-09-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620256988.2U Active CN205596498U (en) | 2016-03-30 | 2016-03-30 | Motor controller |
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| CN (1) | CN205596498U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108541193A (en) * | 2018-05-31 | 2018-09-14 | 湖北省雄雄电子科技有限公司 | A kind of novel controller for electric vehicle |
| CN108879808A (en) * | 2017-09-22 | 2018-11-23 | 浙江聚源电子有限公司 | Charger core body |
-
2016
- 2016-03-30 CN CN201620256988.2U patent/CN205596498U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108879808A (en) * | 2017-09-22 | 2018-11-23 | 浙江聚源电子有限公司 | Charger core body |
| CN108541193A (en) * | 2018-05-31 | 2018-09-14 | 湖北省雄雄电子科技有限公司 | A kind of novel controller for electric vehicle |
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| GR01 | Patent grant |