CN213186994U - Permanent magnet synchronous motor controller without Hall sensor - Google Patents
Permanent magnet synchronous motor controller without Hall sensor Download PDFInfo
- Publication number
- CN213186994U CN213186994U CN202021622085.4U CN202021622085U CN213186994U CN 213186994 U CN213186994 U CN 213186994U CN 202021622085 U CN202021622085 U CN 202021622085U CN 213186994 U CN213186994 U CN 213186994U
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- heat conducting
- conducting strip
- permanent magnet
- synchronous motor
- heat
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Abstract
The utility model discloses a permanent magnet synchronous motor controller without Hall sensor, the lower conducting strip is used for absorbing the heat generated at the bottom of the circuit board, the upper conducting strip is used for absorbing the heat generated by the components at the top of the circuit board, the heat radiating fins on the lower conducting strip absorb the heat of the lower conducting strip, the heat radiating fins on the upper conducting strip absorb the heat of the upper conducting strip, the fins are contacted with the air to radiate the heat, the accumulation of the heat at the bottom and the top of the circuit board is avoided, the water pump enables the cooling liquid to flow in the upper conducting strip and the lower conducting strip, the heat of the upper conducting strip and the lower conducting strip is further reduced, the heat at the top of the circuit board is further reduced, the hot air of the permanent magnet synchronous motor controller without Hall sensor is discharged through the heat radiating holes, and the circulation of the air is accelerated through two heat radiating fans, further reducing heat buildup.
Description
Technical Field
The utility model relates to a motor control technical field especially relates to a no hall sensor's PMSM controller.
Background
The permanent magnet synchronous motor controller without the Hall sensor is used for controlling the operation of the permanent magnet synchronous motor, whether the permanent magnet synchronous motor can operate stably or not is directly related to whether the permanent magnet synchronous motor can operate normally or not, the permanent magnet synchronous motor controller without the Hall sensor can generate heat when in operation, and the heat accumulation can affect the stability of the permanent magnet synchronous motor controller without the Hall sensor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a no hall sensor's PMSM controller aims at solving the accumulational problem of heat when no hall sensor's PMSM controller moves.
In order to achieve the above object, the present invention provides a controller for a permanent magnet synchronous motor without a hall sensor, comprising an upper housing, a lower housing, a circuit board, an upper heat conducting fin, a lower heat conducting fin, a first connecting pipe, a second connecting pipe, a third connecting pipe and a water pump, wherein the upper housing is detachably connected to the lower housing and located above the lower housing, the lower heat conducting fin is fixedly connected to the lower housing and located above the lower housing, the circuit board is located on the lower heat conducting fin, the upper heat conducting fin is fixedly connected to the circuit board and located above the circuit board, the upper heat conducting fin and the lower heat conducting fin have a cooling liquid inside, one end of the first connecting pipe is detachably connected to the water pump and located at a side of the water pump, and the other end of the first connecting pipe is detachably connected to the upper heat conducting fin, and one end of the second connecting pipe is detachably connected with the water pump and is positioned on the side surface of the water pump, the other end of the second connecting pipe is detachably connected with the lower heat conducting fin and is positioned at one end of the lower heat conducting fin, one end of the third connecting pipe is detachably connected with the other end of the upper heat conducting fin, the other end of the third connecting pipe is fixedly connected with the other end of the lower heat conducting fin, the upper heat conducting fin and the lower heat conducting fin are provided with a plurality of radiating fins, and the radiating fins are respectively positioned on one sides of the upper heat conducting fin and the lower heat conducting fin.
The lower shell is also provided with a plurality of heat dissipation holes, and the heat dissipation holes are uniformly distributed on two sides of the lower shell.
The permanent magnet synchronous motor controller without the Hall sensor further comprises a dustproof net, and the dustproof net is detachably connected with the lower shell and is located in the radiating hole.
The permanent magnet synchronous motor controller without the Hall sensor further comprises two cooling fans, wherein the two cooling fans are detachably connected with the lower shell and are positioned on the side face of the lower shell.
Wherein, the upper shell is also provided with a plurality of connecting openings which are positioned on the side surface of the lower shell.
Wherein, the lower casing still has the pilot lamp, the pilot lamp is located the side of lower casing.
The lower shell is also provided with four foot seats, and the foot seats are positioned at the bottom of the lower shell.
The beneficial effects of the utility model are embodied in:
the lower heat conducting fin is used for absorbing heat generated at the bottom of the circuit board, the heat radiating fins on the lower heat conducting fin absorb heat of the lower heat conducting fin, the fins are in contact with air to radiate heat, heat accumulation at the bottom of the circuit board is avoided, the upper heat conducting fin is used for absorbing heat generated by components at the top of the circuit board, the heat radiating fins on the upper heat conducting fin absorb heat of the upper heat conducting fin, the fins are in contact with air to radiate heat, heat accumulation at the top of the circuit board is avoided, cooling liquid flows in the upper heat conducting fin and the lower heat conducting fin through the water pump, heat of the upper heat conducting fin and the lower heat conducting fin is further reduced, heat at the top of the circuit board is further reduced, hot air introduced into the permanent magnet synchronous motor controller without the Hall sensor is discharged through the heat radiating holes, and air circulation is accelerated through the two heat radiating fans, further reducing heat buildup.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a permanent magnet synchronous motor controller without a hall sensor according to the present invention.
Fig. 2 is a schematic diagram of a part of the structure of the permanent magnet synchronous motor controller without the hall sensor of the present invention.
1-upper shell, 2-lower shell, 3-circuit board, 4-upper heat conducting sheet, 5-lower heat conducting sheet, 6-first connecting pipe, 7-second connecting pipe, 8-third connecting pipe, 9-water pump, 10-heat radiating fin, 11-heat radiating hole, 12-dust screen, 13-heat radiating fan, 14-connecting opening, 15-indicator light and 16-foot seat.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. In addition, in the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1 and 2, the present invention provides a permanent magnet synchronous motor controller without a hall sensor, including an upper casing 1, a lower casing 2, a circuit board 3, an upper heat conducting strip 4, a lower heat conducting strip 5, a first connecting pipe 6, a second connecting pipe 7, a third connecting pipe 8 and a water pump 9, wherein the upper casing 1 is detachably connected to the lower casing 2 and is located above the lower casing 2, the lower heat conducting strip 5 is fixedly connected to the lower casing 2 and is located above the lower casing 2, the circuit board 3 is placed on the lower heat conducting strip 5, the upper heat conducting strip 4 is fixedly connected to the circuit board 3 and is located above the circuit board 3, a cooling liquid is provided inside the upper heat conducting strip 4 and the lower heat conducting strip 5, one end of the first connecting pipe 6 is detachably connected to the water pump 9 and is located at a side of the water pump 9, the other end of the first connecting pipe 6 is detachably connected to the upper heat conducting strip 4 and is located at one end of the upper heat conducting strip 4, one end of the second connecting pipe 7 is detachably connected to the water pump 9 and is located on the side surface of the water pump 9, the other end of the second connecting pipe 7 is detachably connected to the lower heat conducting strip 5 and is located at one end of the lower heat conducting strip 5, one end of the third connecting pipe 8 is detachably connected to the other end of the upper heat conducting strip 4, the other end of the third connecting pipe 8 is fixedly connected to the other end of the lower heat conducting strip 5, the upper heat conducting strip 4 and the lower heat conducting strip 5 are provided with a plurality of heat radiating fins 10, and the plurality of heat radiating fins 10 are located on one side of the upper heat conducting strip 4 and the lower heat conducting strip 5 respectively.
In this embodiment, the lower heat conducting strip 5 is configured to absorb heat generated at the bottom of the circuit board 3, the heat dissipating fins 10 on the lower heat conducting strip 5 absorb heat of the lower heat conducting strip 5, the fins are in contact with air to dissipate heat, so as to avoid heat accumulation at the bottom of the circuit board 3, the upper heat conducting strip 4 is configured to absorb heat generated by components at the top of the circuit board 3, the heat dissipating fins 10 on the upper heat conducting strip 4 absorb heat of the upper heat conducting strip 4, the fins are in contact with air to dissipate heat, so as to avoid heat accumulation at the top of the circuit board 3, and the water pump 9 is configured to allow a cooling liquid to flow through the upper heat conducting strip 4 and the lower heat conducting strip 5, so that heat of the upper heat conducting strip 4 and the lower heat conducting strip 5 is further reduced, and heat at the top of the circuit board 3 is further reduced.
Further, the lower case 2 further has a plurality of heat dissipation holes 11, and the plurality of heat dissipation holes 11 are uniformly distributed on both sides of the lower case 2.
In the present embodiment, the permanent magnet synchronous motor controller without the hall sensor discharges hot air through the heat radiation holes 11, thereby reducing heat accumulation inside the permanent magnet synchronous motor controller.
Further, the permanent magnet synchronous motor controller without the hall sensor further comprises a dust screen 12, and the dust screen 12 is detachably connected with the lower shell 2 and is located in the heat dissipation hole 11.
In the present embodiment, the dust screen 12 is used to block dust in the air from entering the interior of the hall-sensorless permanent magnet synchronous motor controller.
Further, the hall sensor-free permanent magnet synchronous motor controller further comprises two heat dissipation fans 13, and the two heat dissipation fans 13 are detachably connected with the lower shell 2 and are located on the side face of the lower shell 2.
In the present embodiment, the two cooling fans 13 can accelerate the circulation of the air inside and outside the hall-sensorless permanent magnet synchronous motor controller, thereby further reducing the heat accumulation inside.
Further, the upper case 1 further has a plurality of connection openings 14, and the plurality of connection openings 14 are located at the side of the lower case 2.
In the present embodiment, the connection port is used for connection to a device such as a synchronous motor. Further, the lower case 2 further has an indicator light 15, and the indicator light 15 is located on a side surface of the lower case 2.
In the present embodiment, the indicator light 15 is used to display the operating state of the synchronous controller of the permanent magnet motor without the hall sensor.
Further, the lower case 2 further has four foot seats 16, and the foot seats 16 are located at the bottom of the lower case 2.
In the present embodiment, four of the footstands 16 are used for supporting the permanent magnet motor synchronous controller without hall sensors.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. A permanent magnet synchronous motor controller without a Hall sensor is characterized in that,
the solar water heater comprises an upper shell, a lower shell, a circuit board, an upper heat conducting sheet, a lower heat conducting sheet, a first connecting pipe, a second connecting pipe, a third connecting pipe and a water pump, wherein the upper shell is detachably connected with the lower shell and is positioned above the lower shell, the lower heat conducting sheet is fixedly connected with the lower shell and is positioned above the lower shell, the circuit board is placed on the lower heat conducting sheet, the upper heat conducting sheet is fixedly connected with the circuit board and is positioned above the circuit board, cooling liquid is arranged inside the upper heat conducting sheet and the lower heat conducting sheet, one end of the first connecting pipe is detachably connected with the water pump and is positioned on the side surface of the water pump, the other end of the first connecting pipe is detachably connected with the upper heat conducting sheet and is positioned at one end of the upper heat conducting sheet, one end of the second connecting pipe is detachably connected with the water pump, the other end of the second connecting pipe is detachably connected with the lower heat conducting strip and is positioned at one end of the lower heat conducting strip, one end of the third connecting pipe is detachably connected with the other end of the upper heat conducting strip, the other end of the third connecting pipe is fixedly connected with the other end of the lower heat conducting strip, the upper heat conducting strip and the lower heat conducting strip are provided with a plurality of radiating fins, and the radiating fins are respectively positioned on one side of the upper heat conducting strip and one side of the lower heat conducting strip.
2. The Hall sensor-less permanent magnet synchronous motor controller according to claim 1,
the lower shell is provided with a plurality of heat dissipation holes, and the heat dissipation holes are uniformly distributed on two sides of the lower shell.
3. The Hall sensor-less permanent magnet synchronous motor controller according to claim 2,
the permanent magnet synchronous motor controller without the Hall sensor further comprises a dustproof net, and the dustproof net is detachably connected with the lower shell and is positioned in the radiating hole.
4. The Hall sensor-less permanent magnet synchronous motor controller according to claim 1,
the permanent magnet synchronous motor controller without the Hall sensor further comprises two cooling fans, and the two cooling fans are detachably connected with the lower shell and are located on the side face of the lower shell.
5. The Hall sensor-less permanent magnet synchronous motor controller according to claim 1,
the upper shell is provided with a plurality of connecting openings, and the connecting openings are positioned on the side surface of the lower shell.
6. The Hall sensor-less permanent magnet synchronous motor controller according to claim 1,
the lower shell is also provided with an indicator light which is positioned on the side surface of the lower shell.
7. The Hall sensor-less permanent magnet synchronous motor controller according to claim 1,
the lower shell is also provided with four foot seats, and the four foot seats are respectively positioned at four bottom corners of the lower shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622085.4U CN213186994U (en) | 2020-08-07 | 2020-08-07 | Permanent magnet synchronous motor controller without Hall sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021622085.4U CN213186994U (en) | 2020-08-07 | 2020-08-07 | Permanent magnet synchronous motor controller without Hall sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213186994U true CN213186994U (en) | 2021-05-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021622085.4U Active CN213186994U (en) | 2020-08-07 | 2020-08-07 | Permanent magnet synchronous motor controller without Hall sensor |
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| CN (1) | CN213186994U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114759858A (en) * | 2022-06-13 | 2022-07-15 | 常州嘉博艺电子有限公司 | Permanent magnet synchronous motor controller based on multiple heat dissipation |
-
2020
- 2020-08-07 CN CN202021622085.4U patent/CN213186994U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114759858A (en) * | 2022-06-13 | 2022-07-15 | 常州嘉博艺电子有限公司 | Permanent magnet synchronous motor controller based on multiple heat dissipation |
| CN114759858B (en) * | 2022-06-13 | 2022-08-30 | 常州嘉博艺电子有限公司 | Permanent magnet synchronous motor controller based on multiple heat dissipation |
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