CN216960664U - Motor driver with high-efficiency heat radiation structure - Google Patents
Motor driver with high-efficiency heat radiation structure Download PDFInfo
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- CN216960664U CN216960664U CN202220750334.0U CN202220750334U CN216960664U CN 216960664 U CN216960664 U CN 216960664U CN 202220750334 U CN202220750334 U CN 202220750334U CN 216960664 U CN216960664 U CN 216960664U
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- heat dissipation
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Abstract
The utility model discloses a motor driver with a high-efficiency heat dissipation structure, which comprises a main machine shell, a middle shell and a driver PCB (printed circuit board) arranged in the main machine shell, wherein the middle shell is laterally connected to one side of the driver PCB, a power supply and a main control module electrically connected with the power supply are arranged on the driver PCB, and the motor driver also comprises a heat dissipation system. The utility model does not need to additionally arrange a large radiator, and only needs to connect the heat conducting piece with heat conducting capacity and the fan module group to enable the volatile medium to circulate in a closed cavity, thereby achieving the purpose of high-efficiency heat dissipation. And heat-conducting piece volume will be little than traditional radiator, and then can reduce motor drive's volume, and the motor drive after reducing the volume installs more easily, and application scope is wider.
Description
Technical Field
The utility model relates to a motor driver, in particular to a motor driver with a high-efficiency heat dissipation structure.
Background
The driver is just positioned in the middle of the main control box and the driver motor in the whole control link. The main function of the driver is to receive signals from the main control box, process the signals and transfer the signals to the motor and the sensor related to the motor, and feed back the working condition of the motor to the main control box.
The motor driver is a switch device, and a so-called driver is added to control the motor when a general switch or an electronic component cannot be used as a switch for controlling the motor because the motor driving current is large or the voltage is high.
The motor driver has the following functions: the function of the motor driver is to realize the control of the duty ratio by controlling the rotation angle and the running speed of the motor so as to achieve the idle speed control of the motor.
In the prior art, the purpose of heat dissipation is generally achieved by using a radiator and a fan, the radiator generally uses an aluminum radiator, and radiating fins are arranged on the aluminum radiator to enlarge the radiating area and further increase the radiating efficiency, but the radiating structure increases the volume of the whole product and influences the volume of a case.
Therefore, it is necessary to design a heat dissipation structure on the motor driver to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a motor driver with a high efficiency heat dissipation structure, which is designed to reduce the size and facilitate the installation.
In order to solve the technical problem, the utility model is realized by the following scheme: the utility model relates to a motor driver with a high-efficiency heat dissipation structure, which comprises a main machine shell, a middle shell and a driver PCB arranged in the main machine shell, wherein the middle shell is laterally connected to one side of the driver PCB, the driver PCB is provided with a power supply and a main control module electrically connected with the power supply, the motor driver also comprises a heat dissipation system, and the heat dissipation system comprises:
the heating module is fixed in the easily heating area of the driver PCB and comprises a heat conducting piece and a plurality of first quick-connection connectors arranged at the upper end of the heat conducting piece, a containing cavity is arranged in the heat conducting piece, and a volatile heat dissipation medium is filled in the containing cavity;
the air exhaust module is arranged at the top end of the main case and provided with a fan support and a fan, the fan support is provided with a circular hole, the fan is arranged in the circular hole, one surface of the fan support, facing the air outlet, is provided with a plurality of parallel grooves penetrating through two ends of the fan support, and all the grooves are disconnected by the circular hole;
the U-shaped structural pipes are respectively embedded in the grooves, two ends of each U-shaped structural pipe are respectively provided with a second quick connection interface, and the pipe body of each U-shaped structural pipe in the circular hole area is positioned in the air outlet direction of the fan;
and the flexible conduits are used for connecting the first quick-connection joint and the second quick-connection joint in a one-to-one manner.
Further, the heat conducting member is a soft insulating leather heat conducting member.
Furthermore, the periphery of the heat conducting piece is provided with a convex annular plate.
Further, the volatile heat dissipation medium comprises one of ethanol and acetone.
Compared with the prior art, the utility model has the beneficial effects that: the motor driver adopts a novel heat dissipation system to solve the heat dissipation problem, the heat dissipation system is heated through the heat conduction piece and conducts heat to volatile media in the heat conduction piece, the liquid media are heated and volatilized to form gaseous media, the gaseous media enter the U-shaped structural pipe from the flexible guide pipe, the U-shaped structural pipe is ventilated in the round hole area of the air exhaust module to be cooled, and the gaseous media are cooled to form liquid media which flow back into the heat conduction piece from the flexible guide pipe, so that the heat dissipation purpose is achieved.
The utility model does not need to additionally arrange a large radiator, and only needs to connect the heat-conducting piece with heat-conducting capacity and the fan module group, so that the volatile medium circulates in a closed cavity, and the purpose of high-efficiency heat dissipation is achieved.
And the heat-conducting piece volume will be little than traditional radiator, and then can reduce motor drive's volume, and motor drive after reducing the volume installs more easily, and application scope is wider.
Drawings
Fig. 1 is a perspective view of a motor driver of the present invention.
Fig. 2 is an exploded view of the motor driver of the present invention.
Fig. 3 is a schematic structural diagram of the heat dissipation system of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and thus the protection scope of the present invention is more clearly and clearly defined. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Example 1: the concrete structure of the utility model is as follows:
referring to fig. 1-3 of the drawings, a motor driver with a high-efficiency heat dissipation structure according to the present invention includes a main chassis, a middle chassis 3, and a driver PCB 33 disposed in the main chassis, where the middle chassis 3 is connected to one side of the driver PCB 33, the driver PCB 33 is provided with a power supply 31 and a main control module 32 electrically connected to the power supply 31, and the motor driver further includes a heat dissipation system, where the heat dissipation system includes:
the heated module 5 is fixed on the driver PCB 33 and is easy to heat, the heated module 5 comprises a heat conducting piece 51 and a plurality of first quick connectors 52 arranged at the upper end of the heat conducting piece 51, a containing cavity 54 is arranged in the heat conducting piece 51, and a volatile heat dissipation medium 53 is arranged in the containing cavity 54;
the air exhaust module 4 is arranged at the top end of the main case, the air exhaust module 4 is provided with a fan support and a fan, the fan support is provided with a circular hole, the fan is arranged in the circular hole, one surface of the fan support, facing the air outlet, is provided with a plurality of parallel grooves penetrating through two ends of the fan support, and all the grooves are disconnected by the circular hole;
the U-shaped structural tubes 71 are respectively embedded in the grooves, the two ends of each U-shaped structural tube 71 are respectively provided with a second quick connection interface 72, and the tube body of each U-shaped structural tube 71 in the circular hole area is positioned in the air outlet direction of the fan;
a plurality of flexible conduits 6 connecting said first quick connect coupling 52 and said second quick connect interface 72 one-to-one.
A preferred technical solution of this embodiment: the heat conducting member 51 is a soft insulating leather heat conducting member.
A preferred technical solution of this embodiment: the heat conducting member 51 is provided at its periphery with a convex annular plate 55.
A preferred technical solution of this embodiment: the volatile heat dissipation medium 53 includes one of ethanol and acetone.
Example 2:
as shown in fig. 1 to 3, the main chassis includes an upper chassis 1 and a lower chassis 2, the upper chassis 1 and the lower chassis 2 are coupled by screws and form an opening at a side portion, and the middle chassis 3 is fixed at the opening. The middle shell 3 is provided with a plurality of functional sockets.
The lower shell 2 is provided with an air inlet, the upper shell 1 is provided with an air outlet, and the fan is installed right opposite to the air outlet. The power supply 31 of the present invention is a rechargeable battery.
Example 3:
the heat dissipation principle of the heat dissipation system of the utility model is as follows:
because the main control module 32 can emit a large amount of heat during operation, and the large amount of heat can heat the main control module 32, generally between 45 and 72 degrees, the heated module 5 of the present invention is mounted on the driver PCB 33 through screws, the heat conducting member 51 on the heated module 5 covers the main control module 32, and the heat conducting member 51 of the present invention adopts a leather heat conducting member, after the leather heat conducting member is fixed, the lower surface of the leather heat conducting member forms a bonding state with the main control module 32, and the heat emitted during operation of the main control module 32 is easily absorbed.
The heat dissipation medium 53 of the present invention is ethanol or acetone, acetic acid is alcohol, the boiling point of which is 78.3, and the boiling point of acetone is 56.12. Although some lower boiling point liquids are available in the market, the liquid with too low boiling point is gasified quickly, and the requirement on the bearing capacity of the closed cavity is high, so that the temperature of the main control module 32 can be kept below 40 ℃ by selecting ethanol or acetone.
Liquid heat dissipation medium 53 is heated and forms gaseous state medium, and gaseous state medium gets into U type structure pipe from flexible pipe, and U type structure pipe receives the wind in the round hole region of the module of airing exhaust, and then cools down, and gaseous state medium forms liquid state medium after the cooling and flows back to the heat-conducting piece from flexible pipe in, reaches radiating purpose.
In summary, the utility model does not need to additionally provide a large radiator, and only needs to connect the heat-conducting member with heat-conducting capacity and the fan module group, so that the volatile medium circulates in a closed cavity, thereby achieving the purpose of high-efficiency heat dissipation. And the heat-conducting piece volume will be little than traditional radiator, and then can reduce motor drive's volume, and motor drive after reducing the volume installs more easily, and application scope is wider.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (4)
1. The utility model provides a motor driver with high efficiency heat radiation structure, includes host computer shell, mesochite and locates driver PCB board (33) in the host computer shell, mesochite side connect in one side of driver PCB board (33), be equipped with on driver PCB board (33) power (31) and with host system (32) that power (31) electricity is connected, its characterized in that, motor driver still includes cooling system, and this cooling system includes:
the heating module (5) is fixed on the easy heating area of the driver PCB (33), the heating module (5) comprises a heat conducting piece (51) and a plurality of first quick-connection joints (52) arranged at the upper end of the heat conducting piece (51), a containing cavity (54) is arranged in the heat conducting piece (51), and a volatile heat dissipation medium (53) is arranged in the containing cavity (54);
the air exhaust module (4) is mounted at the top end of the main case, the air exhaust module (4) is provided with a fan support and a fan, the fan support is provided with a round hole, the fan is mounted in the round hole, one surface of the fan support, facing the air outlet, is provided with a plurality of parallel grooves penetrating through two ends of the fan support, and each groove is disconnected by the round hole;
the U-shaped structural pipes (71) are respectively embedded in the grooves, second quick-connection interfaces (72) are arranged at two ends of each U-shaped structural pipe (71), and the pipe body of each U-shaped structural pipe (71) in the circular hole area is positioned in the air outlet direction of the fan;
a plurality of flexible conduits (6) connecting the first quick connect coupling (52) and the second quick connect interface (72) one-to-one.
2. The motor driver having a high-efficiency heat dissipation structure as set forth in claim 1, wherein said heat conductive member (51) is a soft insulating leather heat conductive member.
3. A motor driver having a high efficiency heat dissipation structure as set forth in claim 1, wherein the heat conductive member (51) is provided at its periphery with a convex annular plate (55).
4. A motor driver having a high-efficiency heat-dissipating structure according to claim 1, wherein said volatile heat-dissipating medium (53) comprises one of ethanol and acetone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220750334.0U CN216960664U (en) | 2022-04-02 | 2022-04-02 | Motor driver with high-efficiency heat radiation structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220750334.0U CN216960664U (en) | 2022-04-02 | 2022-04-02 | Motor driver with high-efficiency heat radiation structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216960664U true CN216960664U (en) | 2022-07-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220750334.0U Active CN216960664U (en) | 2022-04-02 | 2022-04-02 | Motor driver with high-efficiency heat radiation structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216960664U (en) |
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2022
- 2022-04-02 CN CN202220750334.0U patent/CN216960664U/en active Active
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