CN109980859A - A kind of vehicle motor controller assemble method - Google Patents
A kind of vehicle motor controller assemble method Download PDFInfo
- Publication number
- CN109980859A CN109980859A CN201910203054.0A CN201910203054A CN109980859A CN 109980859 A CN109980859 A CN 109980859A CN 201910203054 A CN201910203054 A CN 201910203054A CN 109980859 A CN109980859 A CN 109980859A
- Authority
- CN
- China
- Prior art keywords
- power amplifier
- amplifier board
- hollow housing
- motor controller
- card slot
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/30—Structural association with control circuits or drive circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
To overcome the problems, such as the package assembly of existing vehicle motor controller there are troublesome in poeration, heat dissipation is difficult, the present invention provides a kind of vehicle motor controller assemble methods, including following operating procedure: obtaining liquid metal, power amplifier board, control panel and hollow housing；Cooling makes the liquid metal solidification form solid metallic layer, by stacking of insulating between solid metallic layer and power amplifier board, by after stacking solid metallic layer and power amplifier board be fitted into hollow housing, thermally conductive interval is formed between the power amplifier board and the inner wall of hollow housing, the solid metallic layer is located in the thermally conductive interval；Heating makes solid metallic layer be converted into liquid metal；Cooling, control panel is packed into hollow housing, is sealed to hollow housing.Vehicle motor controller assemble method provided by the invention is easy, easy to operate, effectively improves thermally conductive between power amplifier board and hollow housing, raising heat dissipation effect.
Description
Technical field
The invention belongs to vehicle motor controller manufacturing technology fields, and in particular to a kind of vehicle motor controller assembling side
Method.
Background technique
Electric machine controller, one of the core component as electric car are the deciding factors of automobile dynamic quality.It from
Entire car controller obtains the demand of vehicle, obtains electric energy from power battery pack, by the modulation of itself inverter, obtains control electricity
The electric current and voltage that machine needs, are supplied to motor, so that the revolving speed of motor and torque meet the requirement of vehicle.
Existing vehicle motor controller includes pedestal, power amplifier board and control panel and upper cover；Power amplifier board is locked at by bolt
On the pedestal, the control panel is installed on above the power amplifier board, after the power pin on power amplifier board passes through the control panel,
It is pierced by from the upper cover.Its technique is to be fixed on the base power amplifier board by bolt, and then installation power pin, will control
Plate is mounted on power amplifier board again, and power pin is made to pass through control panel, then installs upper cover encapsulation.
Existing vehicle motor controller assemble method operation is more troublesome, and the heat that power amplifier board generates is easy to save bit by bit
Inside upper cover, influence to radiate, meanwhile, certain gap is inevitably present between power amplifier board and pedestal, what power amplifier board generated
Heat is also difficult to radiate by pedestal.
Summary of the invention
There is a problem of that troublesome in poeration, radiate difficulty for the package assembly of existing vehicle motor controller, the present invention mentions
A kind of vehicle motor controller assemble method is supplied.
It is as follows that the present invention solves technical solution used by above-mentioned technical problem:
The embodiment of the invention provides a kind of vehicle motor controller assemble methods, including following operating procedure:
Obtain liquid metal, power amplifier board, control panel and hollow housing；
Cooling makes the liquid metal solidification form solid metallic layer, by insulating layer between solid metallic layer and power amplifier board
It is folded, by after stacking solid metallic layer and power amplifier board be fitted into hollow housing, between the power amplifier board and the inner wall of hollow housing
It is formed with thermally conductive interval, the solid metallic layer is located in the thermally conductive interval；
Heating makes solid metallic layer be converted into liquid metal；
Cooling, control panel is packed into hollow housing, is sealed to hollow housing.
The vehicle motor controller assemble method provided according to the present invention, by cooling liquid metal solidification at solid-state, with
Power amplifier board is assembled in hollow housing together, and thermally conductive interval of the liquid metal between power amplifier board and hollow housing inner wall
In, liquid metal can be effectively assembled in vehicle motor controller by the cured assembling mode of this kind cooling, mounting means letter
Just, easy to operate；Heating makes solid metallic layer refuse liquid metal, and liquid metal passes through its surface tension effects energy at this time
It is enough to be adhered on power amplifier board and hollow housing inner wall simultaneously, enable to liquid metal can and meanwhile with power amplifier board and hollow housing
Formation comes into full contact with, to form excellent heat-conducting layer between power amplifier board and hollow housing, liquid metal when the temperature decreases
Again it is cured as solid metallic layer；During power amplifier board work, the heat generated can make solid metallic layer portion
It point is molten into thick, effectively improves thermally conductive between power amplifier board and hollow housing, improve heat dissipation effect.
Optionally, the liquid metal is indium alloy, and the fusing point of the liquid metal is between 20 DEG C~35 DEG C.
Optionally, when heating the solid metallic layer, first hollow housing is placed in vacuum chamber, is vacuumized, make institute
It states solid metallic layer and is molten into liquid metal under vacuum conditions.
Optionally, the power amplifier board includes aluminum substrate and multiple electronic components, and the electronic component is installed on described
The insulation that carries out on one side of side on aluminum substrate in the thermally conductive interval, the aluminum substrate towards the thermally conductive interval is set
It sets.
Optionally, the both ends of the hollow housing have the first opening and the second opening, when being sealed, setting
First end cover closing first opening, setting second end cover close second opening.
Optionally, the side of the power amplifier board leads to multiple power pins, and multiple power pins are respectively by described
First opening and second opening are drawn, and multiple for being electrically connected the power pin are provided in the first end cover
One pole is provided with multiple second poles for being electrically connected the power pin in the second end cover.
Optionally, it is relatively set with the first card slot and the second card slot on the two sides inner wall of the hollow housing, described first
Card slot and second card slot extend to second opening along first opening, and the two sides of the power amplifier board are inserted respectively
Enter the assembling that the power amplifier board is completed in first card slot and second card slot.
Optionally, third card slot and the 4th card slot, the third are relatively set on the two sides inner wall of the hollow housing
Card slot and the 4th card slot extend to second opening along first opening, and the two sides of the control panel are inserted into respectively
The third card slot and the 4th card slot complete the assembling of the control panel.
Optionally, when being sealed to the hollow housing, while the thermally conductive interval is sealed.
Optionally, ground string holes is offered in the first end cover, the side of the power amplifier board leads to ground wire pin, described
Ground wire pin is electrically connected with ground wire, and the ground wire is drawn by described ground string holes；
Communication interface is offered in the second end cover, the data line of the control panel is drawn by the communication interface.
Detailed description of the invention
Fig. 1 is vehicle motor controller structural schematic diagram provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram in Fig. 1 at A.
Appended drawing reference in Figure of description is as follows:
1, hollow housing；11, the first mounting plate；12, the first mounting groove；13, the second mounting plate；14, the first card slot；15,
Third card slot；16, radiating fin；17, the first opening；2, first end cover；21, the first pole；22, string holes；3, second end cover；
31, the second pole；32, communication interface；4, thermally conductive interval；5, power amplifier board；51, power pin；511, the end U pin；512, W is exported
Hold pin；513, the end V pin is exported；514, wire pin；6, control panel；7, solid metallic layer.
Specific embodiment
In order to which the technical problems, technical solutions and beneficial effects solved by the present invention is more clearly understood, below in conjunction with
Accompanying drawings and embodiments, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
One embodiment of the invention provides a kind of vehicle motor controller assemble method, including following operating procedure:
Obtain liquid metal, power amplifier board 5, control panel 6 and hollow housing 1；
Cooling makes the liquid metal solidification form solid metallic layer 7, will insulate between solid metallic layer 7 and power amplifier board 5
Stacking, by after stacking solid metallic layer 7 and power amplifier board 5 be fitted into hollow housing 1, the power amplifier board 5 is interior with hollow housing 1
Thermally conductive interval 4 is formed between wall, the solid metallic layer 7 is located in the thermally conductive interval 4；
Heating makes solid metallic layer 7 be converted into liquid metal；
Cooling is packed into control panel 6 in hollow housing 1, seals to hollow housing 1.
The vehicle motor controller assemble method provided according to the present invention, by cooling liquid metal solidification at solid-state, with
Power amplifier board 5 is assembled in together in hollow housing 1, and liquid metal is located between thermally conductive between 1 inner wall of power amplifier board 5 and hollow housing
In 4, liquid metal can be effectively assembled in vehicle motor controller by the cured assembling mode of this kind cooling, mounting means
It is easy, easy to operate；Heating makes 7 refuse liquid metal of solid metallic layer, and liquid metal is made by its surface tension at this time
With that can be adhered to simultaneously on 1 inner wall of power amplifier board 5 and hollow housing, enable to liquid metal can simultaneously with power amplifier board 5 and
The formation of hollow housing 1 comes into full contact with, so that excellent heat-conducting layer is formed between power amplifier board 5 and hollow housing 1, when temperature reduces
When liquid metal be cured as solid metallic layer 7 again；During the power amplifier board 5 work, the heat generated can make
7 part of solid metallic layer be molten into it is thick, effectively improve it is thermally conductive between power amplifier board 5 and hollow housing 1, improve heat dissipation effect
Fruit.
The liquid metal is indium alloy, and the fusing point of the liquid metal is between 20 DEG C~35 DEG C.
By the way that other metals, such as gallium, tin are added in the indium alloy, the fusing point of indium alloy can be effectively adjusted certain
Variation is conducive to specifically, controlling the fusing point of liquid metal between 20 DEG C~35 DEG C in the present embodiment in room temperature in range
Lower control indium alloy is converted under solid-state and liquid two states, consequently facilitating group of the indium alloy in vehicle motor controller
Dress, meanwhile, when the fusing point of liquid metal is between 20 DEG C~35 DEG C, the operating temperature of power amplifier board 5 can be by the solid-state
Metal layer 7 is at least partly molten into liquid metal, to improve its heating conduction.
In a preferred embodiment, the fusing point of the liquid metal is 25 DEG C, when temperature is lower than 25 DEG C, the liquid gold
Category is cured as solid metallic layer 7；When temperature is higher than 25 DEG C, the softening of solid metallic layer 7 is at thick liquid metal.
In the operational heat process of power amplifier board 5, since the component calorific value of different location is different, the solid metallic layer
7 present part softening be liquid metal, partially still in solid-state the case where.
As a further improvement of the present invention, when heating the solid metallic layer 7, hollow housing 1 is first placed in vacuum
It in cabinet, vacuumizes, the solid metallic layer 7 is made to be molten into liquid metal under vacuum conditions.
The air in the hollow housing 1 can be extracted out by vacuumizing, to be fused into liquid in solid metallic layer 7
During metal, 1 inner wall of power amplifier board 5 and hollow housing effectively can be adhered to by the surface tension under its liquid condition
Surface forms perfection between power amplifier board 5 and hollow housing 1 and is bonded, since hollow housing 1 is in the feelings of high vacuum at this time
Condition can effectively avoid having swept along air in liquid metal, reduce air thermal resistance, while also avoiding air and producing to liquid metal
Raw oxidation.
When carrying out the fusing of solid metallic layer 7, it need to guarantee that temperature is sufficiently high and time long enough, so that the solid-state is golden
Belong to all fusings of layer 7.
In one embodiment, the power amplifier board 5 includes aluminum substrate and multiple electronic components, the electronic component installation
In the side on the aluminum substrate in the thermally conductive interval 4, the one side at the aluminum substrate towards the thermally conductive interval 4 is carried out
Insulation set.
Aluminum substrate itself has preferable heating conduction, can carry out in such a way that insulating layer is arranged in the surface of aluminum substrate
Insulation, avoids influence of the liquid metal to the component on power amplifier board 5.
As depicted in figs. 1 and 2, in one embodiment, the both ends of the hollow housing 1 have the first opening 17 and
Two openings (not shown), when being sealed, setting first end cover 2 closes first opening 17, and setting second end cover 3 is closed
Second opening.
The side of the power amplifier board 5 leads to multiple power pins 51, and multiple power pins 51 are respectively by described
One opening 17 and second opening are drawn, and are provided in the first end cover 2 for being electrically connected the more of the power pin 51
A first pole 21 is provided with multiple second poles 31 for being electrically connected the power pin 51 in the second end cover 3.
Power amplifier board 5 and control panel 6 are built in inside hollow hollow housing 1 by the vehicle motor controller, simultaneously
Hollow housing 1 is blocked by first end cover 2 and second end cover 3, the power pin 51 of the power amplifier board 5 is drawn by two sides
Out, and by the second pole 31 on the first pole 21 and second end cover 3 in first end cover 2 electrical extraction, this kind knot are carried out
Structure can realize the covering of omnibearing protection to power amplifier board 5 and control panel 6, avoid the exposed of power amplifier board 5 and control panel 6, effectively
The leakproofness for guaranteeing vehicle motor controller, improves its dust-proof grade.
Multiple power pins 51 include positive input pin (not shown), electric door lock wire pin (not shown), cathode
Input pin (not shown), the output end U pin 511, the output end W pin 512 and the output end V pin 513, the anode input are drawn
Foot, the electric door lock wire pin, the cathode input pin, the end output U pin 511,512 and of the end output W pin
The output end the V pin 513 is the metal pins that can be used for being electrically connected, wherein the anode input pin and the cathode
Input pin is used to connect the positive and negative anodes of on-vehicle battery, carries out direct current to the power amplifier board 5 by the positive and negative anodes of on-vehicle battery
The DC current of the input of stream, on-vehicle battery input by the power amplifier board 5 is converted into three-phase alternating current and respectively by the output U
End pin 511, the end output W pin 512 and the end output V pin 513 are exported, the end output U pin 511,
The output end the W pin 512 and the output end the V pin 513 are used to connect the end U, the end W and the end V of motor, to realize motor
Driving；The end output U pin 511, the end output W pin 512 and the end output V pin 513 are located at the power
The side of plate 5, the anode input pin, the electric door lock wire pin and the cathode input pin are located at the power amplifier board 5
The other side, the end output U pin 511, the end output W pin 512 and the end output V pin 513 are by described first
Opening 17 is drawn, and the anode input pin, the electric door lock wire pin and the cathode input pin are open by described second
It draws, thus the case where vehicle motor controller is output and input separation, can effectively avoid wiring error.
In order to guarantee that the insulating properties between different power pins 51, the first end cover 2 and the second end cover 3 are modeling
Jiao Gai.
The first card slot 14 and the second card slot (not shown) are relatively set on the two sides inner wall of the hollow housing 1, it is described
First card slot 14 and second card slot extend to second opening along first opening 17, by the power amplifier board 5
The assembling for completing the power amplifier board 5 is inserted into first card slot 14 and second card slot in two sides respectively.
Third card slot 15 and the 4th card slot (not shown) are relatively set on the two sides inner wall of the hollow housing 1, it is described
Third card slot 15 and the 4th card slot extend to described second along first opening 17 and are open, and the two of the control panel 6
The third card slot 15 is inserted into side respectively and the 4th card slot completes the assembling of the control panel 6.
The power amplifier board 5 and the control panel 6 are assembled by way of card slot, can be avoided in the power amplifier board
5 and the control panel 6 on punch, reduce installation difficulty.
In order to guarantee that the heat dissipation effect of power amplifier board 5 in the vehicle motor controller, the hollow housing 1 are aluminum hull, tool
Body, the hollow housing 1 is aluminium extruded section, and first opening 17 and second opening are located at the hollow housing 1
The both ends of length direction, the periphery of the hollow housing 1 are surrounded with multiple radiating fins 16, and the radiating fin 16 is by institute
The outer rim for stating the first opening 17 extends to the outer rim of second opening, and the two sides of the hollow housing 1 are respectively arranged with first
Mounting plate 11 and the second mounting plate 13 offer multiple first mounting grooves 12, second installation on first mounting plate 11
Multiple second mounting grooves (not shown) are offered on plate 13, and first mounting groove 12 and described second are passed through by setting screw
Mounting groove carries out installation fixation to the vehicle motor controller.
It should be noted that the area and thickness of the solid metallic layer 7 can be according to the sizes and vehicle of power amplifier board 5
It is adaptively adjusted with the model size of electric machine controller, specifically, the thickness of the solid metallic layer 7 can be in 0.01mm
It is selected in~15mm, it is furthermore preferred that the thickness of the solid metallic layer 7 can be selected between 0.1mm~10mm.
When the thinner thickness of the solid metallic layer 7, it may be unnecessary to subsequent sealing is carried out to the thermally conductive interval 4, it is described
Solid metallic layer 7 can be adhered between 1 inner wall of power amplifier board 5 and hollow housing by its surface tension when being molten into liquid metal,
And in the course of work of power amplifier board 5, even if the fusing of the solid metallic layer 7 is also likely to be part fusing or is molten into thick
State, the stability of its form can be kept by being adhered between power amplifier board 5 and hollow housing 1；When the solid metallic layer 7 thickness compared with
When thick, the thermally conductive interval 4 can be sealed, spilling when it being avoided to be molten into liquid metal.
In one embodiment, when being sealed to the hollow housing 1, while the thermally conductive interval 4 is sealed.
The both ends at the thermally conductive interval 4 are blocked by the first end cover 2 and the second end cover 3.
In one embodiment, ground string holes 22 is offered in the first end cover 2, the side of the power amplifier board 5 leads to ground
Wire pin 514, described ground wire pin 514 are electrically connected with ground wire, and the ground wire is drawn by described ground string holes 22；
Communication interface 32 is offered in the second end cover 3, the data line of the control panel 6 is drawn by the communication interface 32
Out.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of vehicle motor controller assemble method, which is characterized in that including following operating procedure:
Obtain liquid metal, power amplifier board, control panel and hollow housing；
Cooling makes the liquid metal solidification form solid metallic layer, is laminated insulating between solid metallic layer and power amplifier board, will
Solid metallic layer and power amplifier board after stacking are fitted into hollow housing, are formed between the power amplifier board and the inner wall of hollow housing
Thermally conductive interval, the solid metallic layer are located in the thermally conductive interval；
Heating makes solid metallic layer be converted into liquid metal；
Cooling, control panel is packed into hollow housing, is sealed to hollow housing.
2. vehicle motor controller assemble method according to claim 1, which is characterized in that the liquid metal is indium conjunction
Gold, the fusing point of the liquid metal is between 20 DEG C~35 DEG C.
3. vehicle motor controller assemble method according to claim 1, which is characterized in that heating the solid metallic
When layer, first hollow housing is placed in vacuum chamber, is vacuumized, the solid metallic layer is made to be molten into liquid under vacuum conditions
Metal.
4. vehicle motor controller assemble method according to claim 1, which is characterized in that the power amplifier board includes aluminium base
Plate and multiple electronic components, the electronic component are installed on the side on the aluminum substrate in the thermally conductive interval,
The one side at the aluminum substrate towards the thermally conductive interval carries out insulation set.
5. vehicle motor controller assemble method according to claim 1, which is characterized in that the both ends of the hollow housing
The first opening and the second opening are had, when being sealed, setting first end cover closes first opening, setting second
End cap closing second opening.
6. vehicle motor controller assemble method according to claim 5, which is characterized in that draw the side of the power amplifier board
There are multiple power pins out, multiple power pins are drawn by first opening and second opening respectively, and described the
One end covers multiple first poles being provided with for being electrically connected the power pin, is provided in the second end cover for electricity
Connect multiple second poles of the power pin.
7. vehicle motor controller assemble method according to claim 5, which is characterized in that the two sides of the hollow housing
The first card slot and the second card slot are relatively set on inner wall, first card slot and second card slot are along first opening
Second opening is extended to, the two sides of the power amplifier board are inserted into respectively in first card slot and second card slot and are completed
The assembling of the power amplifier board.
8. vehicle motor controller assemble method according to claim 5, which is characterized in that the two sides of the hollow housing
Third card slot and the 4th card slot are relatively set on inner wall, the third card slot and the 4th card slot are along first opening
Second opening is extended to, the two sides of the control panel are inserted into respectively described in the third card slot and the 4th card slot completion
The assembling of control panel.
9. vehicle motor controller assemble method according to claim 1, which is characterized in that sealed to the hollow housing
When mouth, while the thermally conductive interval is sealed.
10. vehicle motor controller assemble method according to claim 1, which is characterized in that opened in the first end cover
Equipped with ground string holes, the side of the power amplifier board leads to ground wire pin, and described ground wire pin is electrically connected with ground wire, the ground wire by
Described ground string holes is drawn；
Communication interface is offered in the second end cover, the data line of the control panel is drawn by the communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203054.0A CN109980859A (en) | 2019-03-18 | 2019-03-18 | A kind of vehicle motor controller assemble method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910203054.0A CN109980859A (en) | 2019-03-18 | 2019-03-18 | A kind of vehicle motor controller assemble method |
Publications (1)
| Publication Number | Publication Date |
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| CN109980859A true CN109980859A (en) | 2019-07-05 |
Family
ID=67079260
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910203054.0A Pending CN109980859A (en) | 2019-03-18 | 2019-03-18 | A kind of vehicle motor controller assemble method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1685779A (en) * | 2002-09-23 | 2005-10-19 | 西门子能量及自动化公司 | System and method for an improved motor controller |
| CN201957369U (en) * | 2011-04-11 | 2011-08-31 | 付强 | Motor controller for high power electric car |
| CN104780736A (en) * | 2014-01-13 | 2015-07-15 | 潘晨曦 | Motor controller |
| CN204497217U (en) * | 2015-03-27 | 2015-07-22 | 广东明路电力电子有限公司 | With the power switch component of radiator |
| CN106505052A (en) * | 2016-11-17 | 2017-03-15 | 云南电网有限责任公司电力科学研究院 | Heat abstractor for insulated gate bipolar transistor |
| CN108332077A (en) * | 2017-12-25 | 2018-07-27 | 宁波凯耀电器制造有限公司 | A kind of heat conductive pad assemble method of high-powered LED lamp |
-
2019
- 2019-03-18 CN CN201910203054.0A patent/CN109980859A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1685779A (en) * | 2002-09-23 | 2005-10-19 | 西门子能量及自动化公司 | System and method for an improved motor controller |
| CN201957369U (en) * | 2011-04-11 | 2011-08-31 | 付强 | Motor controller for high power electric car |
| CN104780736A (en) * | 2014-01-13 | 2015-07-15 | 潘晨曦 | Motor controller |
| CN204497217U (en) * | 2015-03-27 | 2015-07-22 | 广东明路电力电子有限公司 | With the power switch component of radiator |
| CN106505052A (en) * | 2016-11-17 | 2017-03-15 | 云南电网有限责任公司电力科学研究院 | Heat abstractor for insulated gate bipolar transistor |
| CN108332077A (en) * | 2017-12-25 | 2018-07-27 | 宁波凯耀电器制造有限公司 | A kind of heat conductive pad assemble method of high-powered LED lamp |
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Application publication date: 20190705 |
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