CN221103840U - Motor controller and motor using same - Google Patents
Motor controller and motor using same Download PDFInfo
- Publication number
- CN221103840U CN221103840U CN202322506089.6U CN202322506089U CN221103840U CN 221103840 U CN221103840 U CN 221103840U CN 202322506089 U CN202322506089 U CN 202322506089U CN 221103840 U CN221103840 U CN 221103840U
- Authority
- CN
- China
- Prior art keywords
- end cover
- controller
- pcb board
- motor controller
- heat dissipation
- Prior art date
- 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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- 230000017525 heat dissipation Effects 0.000 claims abstract description 35
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 239000003292 glue Substances 0.000 claims abstract description 9
- 239000000565 sealant Substances 0.000 claims description 18
- 239000003990 capacitor Substances 0.000 claims description 15
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 14
- 239000000741 silica gel Substances 0.000 claims description 14
- 229910002027 silica gel Inorganic materials 0.000 claims description 14
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000004382 potting Methods 0.000 claims description 3
- 229910044991 metal oxide Inorganic materials 0.000 claims description 2
- 150000004706 metal oxides Chemical class 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 8
- 238000005266 casting Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract description 3
- 241000237983 Trochidae Species 0.000 description 5
- NMWSKOLWZZWHPL-UHFFFAOYSA-N 3-chlorobiphenyl Chemical compound ClC1=CC=CC(C=2C=CC=CC=2)=C1 NMWSKOLWZZWHPL-UHFFFAOYSA-N 0.000 description 2
- 101001082832 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) Pyruvate carboxylase 2 Proteins 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a motor controller and a motor applied to the motor controller, which comprises a controller box, a PCB (printed circuit board), a high-power device and an end cover, wherein the end cover is arranged on the controller box, a cavity is formed between the end cover and the controller box, the PCB is arranged in the cavity, and the high-power device is arranged on the PCB, and the motor controller is characterized in that: be equipped with a plurality of little copper bars on the PCB board, a plurality of little copper bars are arranged on the heavy current circuit on the PCB board, be equipped with the encapsulating hole that is used for the encapsulating on the end cover, encapsulating hole and cavity intercommunication, pour into the casting glue through encapsulating hole in to the cavity, form a whole with controller box, the PCB board, high-power device, a plurality of little copper bars and end cover, through increasing little copper bars on the heavy current circuit of PCB board, reduce heavy current circuit resistance and increase current bearing capacity, reduce heavy current circuit and generate heat, and increase PCB board radiating area, improve the radiating effect, the whole heat dissipation ability of reinforcing controller.
Description
Technical Field
The utility model relates to a motor controller and a motor using the same.
Background
See patent number 202221286981.7, the patent name is shared shell heat abstractor, motor controller and new energy automobile, and this is shared shell heat abstractor includes plastic drain pan and metal material's top shell, and one side that top shell deviates from the drain pan is used for installing power device. The bottom shell is provided with a containing cavity for containing the capacitor and a first opening communicated with the containing cavity, the containing cavity is used for pouring glue to fill and seal the capacitor, the top shell is directly contacted with the glue poured in the containing cavity for filling and sealing the capacitor through the first opening, the top shell made of metal has good heat conductivity, the capacitor conducts heat through the glue pouring, the heat dissipation efficiency of the capacitor is improved, and a cooling flow passage is arranged in the top shell and used for simultaneously dissipating heat of the capacitor and the power device; the plastic bottom shell can effectively reduce weight and has insulativity, so that the device can relatively balance the volume, the weight and the heat dissipation of the common-shell heat dissipation device, meanwhile, the structure is simple, the assembly is reliable, the safety requirements can be met, the structure only dissipates heat through pouring sealant, the heat dissipation effect is poor, and the problem that the heat dissipation effect is poor due to the fact that the pouring sealant is low in heat dissipation coefficient is solved, when the pouring sealant is used for heat dissipation of a low-voltage heavy-current controller, the problem that the local heat productivity of a heavy-current circuit part and part of components is large and the temperature is increased is solved.
Disclosure of Invention
The utility model aims to provide a motor controller and a motor using the same, which solve the technical problems that in the prior art, the motor controller only transfers heat to a shell through pouring sealant to dissipate heat, the heat dissipation effect is poor, and because the pouring sealant has low heat dissipation coefficient, when the pouring sealant is used for the low-voltage high-current controller, the heat generated by the high-current circuit part and part of components is large locally, the temperature rises, and the heat dissipation effect is poor.
The technical scheme of the utility model is realized as follows:
The utility model provides a motor controller, which comprises a controller box, a PCB (printed circuit board), a high-power device and an end cover, wherein the end cover is arranged on the controller box, a cavity is formed between the end cover and the controller box, the PCB is arranged in the cavity, and the high-power device is arranged on the PCB, and the motor controller is characterized in that: be equipped with a plurality of little copper bars on the PCB board, a plurality of little copper bars are arranged on the big current circuit on the PCB board, are equipped with the encapsulating hole that is used for the encapsulating on the end cover, encapsulating hole and cavity intercommunication, pour into the casting glue into in the cavity through the encapsulating hole, form a whole with controller box, PCB board, high-power device, a plurality of little copper bars and end cover.
The high-power device comprises a plurality of inversion MOS (metal oxide semiconductor) tubes, an electrolytic capacitor and a differential mode inductor, wherein the inversion MOS tubes are covered by pouring sealant, and the electrolytic capacitor and the differential mode inductor are partially covered.
And the inversion MOS tubes are also stuck with first heat dissipation silica gel sheets, and the potting adhesive covers the first heat dissipation silica gel sheets.
The structure of the electrolytic capacitor and the differential-mode inductor exposed outside is respectively stuck with a second heat dissipation silica gel sheet and a third heat dissipation silica gel sheet.
The PCB is provided with the through holes which are convenient for the pouring sealant to pass through, so that the pouring sealant is arranged at the top and the bottom of the PCB.
The outer surface of the end cover is provided with a plurality of heat dissipation ribs.
The end cover is provided with a first mounting lug, and the first mounting lug is provided with a first mounting hole; the controller box is provided with a second mounting lug, and the second mounting lug is provided with a second mounting hole; the first mounting hole and the second mounting hole are corresponding, and the controller box is locked and connected with the end cover by penetrating through the first mounting hole and the second mounting hole through a screw.
The utility model provides a motor, includes stator, rotor, casing and motor controller, its characterized in that: motor controller the motor controller described above.
Compared with the prior art, the utility model has the following advantages:
1. The utility model provides a motor controller, includes controller box, PCB board, high-power device and end cover, and the end cover is installed at the controller box, forms the cavity between end cover and the controller box, and the PCB board is installed in the cavity, and high-power device arranges on the PCB board, its characterized in that: be equipped with a plurality of little copper bars on the PCB board, a plurality of little copper bars are arranged on the heavy current circuit on the PCB board, be equipped with the encapsulating hole that is used for the encapsulating on the end cover, encapsulating hole and cavity intercommunication, pour into the casting glue through encapsulating hole in to the cavity, form a whole with controller box, the PCB board, high-power device, a plurality of little copper bars and end cover, through increasing little copper bars on the heavy current circuit of PCB board, reduce heavy current circuit resistance and increase current bearing capacity, reduce heavy current circuit and generate heat, and increase PCB board radiating area, improve the radiating effect, the whole heat dissipation ability of reinforcing controller.
2. Other advantages of the present utility model are described in detail in the description of the embodiments.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is another perspective view of the present utility model;
FIG. 3 is a partially exploded view of the present utility model;
FIG. 4 is an exploded view of the present utility model;
fig. 5 is a schematic diagram of a PCB structure provided by the present utility model;
FIG. 6 is a front view of the present utility model;
fig. 7 is a cross-sectional view of A-A in fig. 6.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Embodiment one:
As shown in fig. 1 to 7, the present embodiment provides a motor controller, including a controller box 1, a PCB board 2, a high-power device 3 and an end cover 4, the end cover 4 is mounted on the controller box 1, a cavity 100 is formed between the end cover 4 and the controller box 1, the PCB board 2 is mounted in the cavity 100, the high-power device 3 is arranged on the PCB board 2, and the motor controller is characterized in that: be equipped with a plurality of little copper bars 21 on the PCB board 2, a plurality of little copper bars 21 are arranged on the heavy current circuit on the PCB board 2, be equipped with the encapsulating hole 41 that is used for the encapsulating on the end cover 4, encapsulating hole 41 and cavity 100 intercommunication, pour into pouring sealant 200 into in the cavity 100 through encapsulating hole 41, form a whole with controller box 1, PCB board 2, high-power device 3, a plurality of little copper bars 21 and end cover 4, through increasing little copper bars on the heavy current circuit of PCB board, reduce heavy current circuit resistance increase current bearing capacity, reduce heavy current circuit and generate heat, and increase PCB board radiating area, improve the radiating effect, the whole heat dissipation capacity of reinforcing controller.
The high-power device 3 comprises a plurality of inversion MOS tubes 31, an electrolytic capacitor 32 and a differential mode inductor 33, wherein the inversion MOS tubes 31 are covered by the pouring sealant 200, and the electrolytic capacitor 32 and the differential mode inductor 33 are partially covered.
The first heat dissipation silica gel piece 311 is also attached to the plurality of inversion MOS transistors 31, and the potting adhesive 200 covers the first heat dissipation silica gel piece 311, and enhances the heat dissipation capability by locally arranging heat dissipation silica gel through components with large heating value or a position with local temperature rise on the controller, so that the overall heat dissipation capability of the controller is improved.
The second heat dissipation silica gel piece 321 and the third heat dissipation silica gel piece 331 are respectively stuck on the exposed structure of the electrolytic capacitor 32 and the differential mode inductor 33, the structural arrangement is reasonable, and the heat dissipation capability is enhanced by locally arranging the heat dissipation silica gel at the position of the component with large heat productivity or the local temperature rise on the controller, so that the overall heat dissipation capability of the controller is improved.
The through holes 22 which are convenient for the pouring sealant 200 to pass through are arranged on the PCB 2, so that the pouring sealant 200 is arranged at the top and the bottom of the PCB 2, the structural arrangement is reasonable, and the pouring sealant is convenient to be introduced into the cavity.
The outer surface of the end cover 4 is provided with a plurality of heat dissipation ribs 42, so that the heat dissipation effect is improved.
Embodiment two:
The utility model provides a motor, includes stator, rotor, casing and motor controller, its characterized in that: the motor controller is the motor controller described in the first embodiment.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited thereto, and any other changes, modifications, substitutions, combinations, and simplifications made without departing from the spirit and principles of the present utility model are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a motor controller, includes controller box (1), PCB board (2), high-power device (3) and end cover (4), and end cover (4) are installed at controller box (1), form cavity (100) between end cover (4) and controller box (1), and PCB board (2) are installed in cavity (100), and high-power device (3) are arranged on PCB board (2), its characterized in that: be equipped with a plurality of little copper bars (21) on PCB board (2), a plurality of little copper bars (21) are arranged on the heavy current circuit on PCB board (2), be equipped with on end cover (4) and be used for encapsulating glue filling hole (41), glue filling hole (41) and cavity (100) intercommunication, pour into pouring sealant (200) in going cavity (100) through glue filling hole (41), form a whole with controller box (1), PCB board (2), high-power device (3), a plurality of little copper bars (21) and end cover (4).
2. A motor controller as claimed in claim 1, wherein: the high-power device (3) comprises a plurality of inversion MOS (metal oxide semiconductor) tubes (31), an electrolytic capacitor (32) and a differential mode inductor (33), wherein the inversion MOS tubes (31) are covered by pouring sealant (200), and the electrolytic capacitor (32) and the differential mode inductor (33) are partially covered.
3. A motor controller as claimed in claim 2, wherein: the inversion MOS tubes (31) are also adhered with first heat dissipation silica gel sheets (311), and the potting adhesive (200) covers the first heat dissipation silica gel sheets (311).
4. A motor controller as claimed in claim 2, wherein: the second heat dissipation silica gel sheet (321) and the third heat dissipation silica gel sheet (331) are respectively stuck on the exposed structures of the electrolytic capacitor (32) and the differential mode inductor (33).
5. A motor controller according to claim 1 or 2 or 3 or 4, wherein: through holes (22) which are convenient for the pouring sealant (200) to pass through are formed in the PCB (2), so that the pouring sealant (200) is arranged at the top and the bottom of the PCB (2).
6. A motor controller as claimed in claim 5, wherein: the outer surface of the end cover (4) is provided with a plurality of heat dissipation ribs (42).
7. A motor controller as claimed in claim 6, wherein: the end cover (4) is provided with a first mounting lug (43), and the first mounting lug (43) is provided with a first mounting hole (431); a second mounting lug (11) is arranged on the controller box (1), and a second mounting hole (111) is formed in the second mounting lug (11); the first mounting hole (431) and the second mounting hole (111) are corresponding, and the controller box (1) is in locking connection with the end cover (4) through the first mounting hole (431) and the second mounting hole (111) by means of locking by a screw.
8. The utility model provides a motor, includes stator, rotor, casing and motor controller, its characterized in that: the motor controller according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322506089.6U CN221103840U (en) | 2023-09-14 | 2023-09-14 | Motor controller and motor using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322506089.6U CN221103840U (en) | 2023-09-14 | 2023-09-14 | Motor controller and motor using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221103840U true CN221103840U (en) | 2024-06-07 |
Family
ID=91311802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322506089.6U Active CN221103840U (en) | 2023-09-14 | 2023-09-14 | Motor controller and motor using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221103840U (en) |
-
2023
- 2023-09-14 CN CN202322506089.6U patent/CN221103840U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |