CN222302243U - Heat dissipation mechanism and controller thereof - Google Patents
Heat dissipation mechanism and controller thereof Download PDFInfo
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- CN222302243U CN222302243U CN202420045830.5U CN202420045830U CN222302243U CN 222302243 U CN222302243 U CN 222302243U CN 202420045830 U CN202420045830 U CN 202420045830U CN 222302243 U CN222302243 U CN 222302243U
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Abstract
The utility model discloses a heat dissipation mechanism and a controller thereof, and belongs to the field of heat dissipation technologies, wherein the heat dissipation mechanism comprises a box body with a cavity and a heat dissipation assembly with a plurality of heat conducting surfaces. The heat conducting surfaces and at least part of the inner walls of the cavities are enclosed together to form a heat conducting part for accommodating the heating device. The heat radiation mechanism can increase the heat radiation area and improve the heat radiation performance.
Description
Technical Field
The present disclosure relates to heat dissipation technologies, and particularly to a heat dissipation mechanism and a controller thereof.
Background
In an automation device, automatic control is generally implemented by using a controller, for example, in the field of control of a dc brushless motor, the controller is used for controlling the rotation output force of the motor, and different working states of the motor are implemented by controlling the input current or voltage of the motor. The circuit part of the controller is arranged in the box body, and the circuit part of the controller is different modules such as rectification, filtering, inversion and control units, and because the control is continuously carried out in the whole working process, a large amount of heat can be generated by an internal heating device. The heat dissipation of the controller is realized by installing the heat conducting surface on one side of the heat dissipation piece on the heating device, and the heat conducting surface of the heat dissipation piece absorbs the heat of the heating device.
Disclosure of utility model
An object of the embodiment of the utility model is to provide a heat dissipation mechanism which can increase the heat dissipation area and improve the heat dissipation performance.
Another object of the embodiment of the utility model is to provide a controller, which adopts a heat dissipation mechanism to increase the heat dissipation area and improve the heat dissipation performance, thereby prolonging the service life of the controller.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
in one aspect, there is provided a heat dissipation mechanism comprising:
the box body is provided with a cavity;
And
The heat dissipation assembly is provided with a plurality of heat conducting surfaces;
the heat conducting surfaces and at least part of the inner walls of the cavities jointly form a heat conducting part for exchanging heat with the heating device.
The heat of the heating device can be radiated by utilizing the plurality of heat conducting surfaces and at least part of the inner walls of the cavities, so that the radiating area is increased and the radiating performance is improved.
Optionally, the heat dissipation mechanism further comprises a heat conducting member;
The box body is also provided with a heat radiation opening, and the cavity is communicated with the outside of the box body through the heat radiation opening;
At least part of the heat dissipation assembly is positioned in the cavity and is used for being installed on a heating device, and at least part of the heat dissipation assembly is positioned at the heat dissipation opening;
The heat conducting piece is clamped between the heat radiating component and the inner wall of the cavity.
And the heat dissipation performance is improved through the heat conduction piece and the heat dissipation opening.
The heat dissipation assembly comprises a first heat dissipation piece and a second heat dissipation piece, wherein the second heat dissipation piece is positioned at the heat dissipation opening, the first heat dissipation piece and the second heat dissipation piece are distributed at intervals, and heat conducting surfaces are arranged on the first heat dissipation piece and the second heat dissipation piece;
at least part of the heat conducting piece is clamped between the first heat radiating piece and the box body, and at least part of the heat conducting piece is clamped between the second heat radiating piece and the box body. The heat radiating area and the heat radiating efficiency are improved by arranging the first heat radiating piece and the second heat radiating piece, and the heat conducting piece can improve the heat conducting performance between the heat radiating component and the box body, so that the heat radiating performance is improved.
Optionally, the first heat dissipation element is provided with a plurality of first heat dissipation ribs extending along a direction deviating from the second heat dissipation element, the plurality of first heat dissipation ribs are distributed at intervals, and at least part of the heat conduction element is clamped between one of the first heat dissipation ribs and the inner wall of the cavity. Through setting up first heat dissipation muscle, further improve the radiating area of first radiating piece, improve thermal transfer efficiency.
The second heat dissipation piece is provided with a plurality of second heat dissipation ribs extending from the heat dissipation opening to the outside of the box body along the direction deviating from the first heat dissipation piece, the plurality of second heat dissipation ribs are distributed at intervals, and at least part of the heat conduction piece is clamped between one of the second heat dissipation ribs and the inner wall of the cavity. Through setting up the second heat dissipation muscle, improve the heat dispersion of thermovent department.
Optionally, the box body comprises a shell and a cover body, wherein the cover body is arranged on the shell and is enclosed together with the shell to form the cavity and the heat dissipation opening. Through opening the lid, make things convenient for the installation of radiator unit.
Optionally, the radiating component and the cover body are abutted or the heat conducting piece is clamped between the radiating component and the cover body, and the radiating component is directly abutted with the cover body or indirectly abutted with the box body through the heat conducting piece, so that the radiating by the cover body is realized.
Optionally, the housing and/or the cover are metal pieces. The metal member may mention heat transfer efficiency, thereby improving heat dissipation performance.
Optionally, the heat dissipation mechanism further comprises a heat dissipation fan, the box body is further provided with a ventilation opening, the cavity is communicated with the outside of the box body through the ventilation opening, and the heat dissipation fan is installed on the box body and located at the ventilation opening. The heat dissipation fan is added, so that internal heat can be discharged from the ventilation opening, and the heat dissipation effect is further improved.
On the other hand, a controller is provided, which comprises a circuit board, a heating device integrated on the circuit board and the heat dissipation mechanism, wherein the heating device is positioned at the heat conduction part. The heating device utilizes the heat conducting surfaces and the inner wall of the cavity of the box body to conduct heat dissipation, so that the heat dissipation area is increased.
Optionally, the heat generating devices are arranged at intervals, each heat generating device is located at the heat conducting part, and at least part of the heat conducting surface is abutted to the heat generating device. And the heat dissipation is carried out on a plurality of heating devices simultaneously, so that the efficiency is improved and the installation space is saved.
The heat dissipation mechanism has the beneficial effects that the heat dissipation assembly is provided with the heat dissipation components, the heat dissipation components are provided with the plurality of heat conduction surfaces, the heat of the heat generation device is surrounded by the plurality of heat conduction surfaces and the inner wall of the cavity of the box body, and the heat of the heat generation device can be dissipated through the heat conduction of the plurality of heat conduction surfaces and the box body, so that the heat dissipation area is increased, and the heat dissipation performance is improved. The controller of the utility model increases the heat dissipation area by adopting the heat dissipation mechanism, and improves the heat dissipation performance, thereby prolonging the service life of the controller.
Drawings
The utility model is described in further detail below with reference to the drawings and examples.
FIG. 1 is a schematic diagram of a controller;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a side view of FIG. 1;
FIG. 4 is a heat dissipation path diagram of a heat dissipation mechanism;
FIG. 5 is a schematic diagram of the cooperation of the housing, the heat dissipating assembly, and the circuit board;
FIG. 6 is a schematic diagram of the mating of a heat dissipating component and a heat generating device;
Fig. 7 is a top view of fig. 6.
Reference numerals illustrate, in the drawings:
11. 12 parts of a box body, a heat dissipation assembly, 13 parts of a heat conduction member, 14 parts of a circuit board, 15 parts of a heating device, 16 parts of a fourth threaded connecting member;
111. The shell, 112, the cover body, 113, a second threaded connector, 114, a third threaded connector, 115, a support column, 116, a cavity, 117, a heat dissipation port, 118 and a U-shaped groove;
121. The heat dissipation device comprises a first heat dissipation part 122, a second heat dissipation part 123, a heat conduction part 124, a first heat dissipation rib 125, a second heat dissipation rib 126, a first threaded connection part 127, a heat conduction surface 128 and a mounting groove.
Detailed Description
In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. 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 fall within the scope of the utility model.
In the description of the present utility model, unless explicitly specified and limited otherwise, the terms "connected," "affixed," "connected," "abutting," "clamped," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediary, or in communication between two elements or in an interaction relationship between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.
In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in the foregoing embodiments, and that the embodiments described in the foregoing embodiments may be combined appropriately to form other embodiments that will be understood by those skilled in the art.
As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items, unless specifically stated or otherwise defined.
For convenience of description, the up-down direction described below coincides with the up-down direction of fig. 3 itself unless otherwise specified.
In the related art, a controller (controller) refers to a master device that changes wiring of a main circuit or a control circuit and changes resistance values in the circuit in a predetermined order to control starting, speed regulation, braking, and reversing of a motor. The controller includes a circuit portion that is generally installed in the case in order to protect the circuit of the controller and facilitate the installation of the controller. The circuit part of the controller is different modules such as rectification, filtering, inversion and control units, each module comprises different power devices, wherein the power devices are heating devices, and when the controller works, the heating devices generate a large amount of heat, so that besides the circuit design, the design of a heat dissipation mechanism of the controller is very important, and the heat dissipation mechanism which is reasonable in space structure and good in heat dissipation performance is required to be designed to reduce the temperature of the modules and the heating devices.
In the current controller, the radiating piece of radiating mechanism installs on the device that generates heat, utilizes the heat radiation of radiating piece to give off the heat, realizes the heat dissipation of controller, is limited by the radiating area of radiating piece and the size of the thermovent of box body, and the radiating effect is not ideal, leads to accumulating a large amount of heat easily in the inside of box body and producing the influence to other parts of controller, and the heat utilizes the cavity inner air of box body to carry out the heat radiation and dispel the heat, and the radiating rate is slower, and the heat dispersion is relatively poor. Some controllers increase the heat dissipation part or increase a fan on the box body, the fan is used for driving the air on the surface of the heat dissipation part to flow out of the heat dissipation opening rapidly, so that the temperature reduction speed of the heating device is accelerated, but the heat dissipation structure needs a larger space in the box body to arrange the heat dissipation part and the fan, and when the space of the box body is limited, the heat dissipation effect cannot be improved in the mode.
In order to solve the problems of limited internal space, low heat dissipation speed and poor heat dissipation performance of a controller box body in the related art, the embodiment of the application provides a heat dissipation mechanism. The heat-generating device is jointly surrounded by the plurality of heat-conducting surfaces and the inner wall of the cavity of the box body, so that the heat-generating device is prevented from accumulating a large amount of heat in the cavity of the box body to influence other parts of the controller.
As shown in fig. 1 to 4, the heat dissipation mechanism provided by the application comprises a box 11 and a heat dissipation assembly 12. The box body is provided with a cavity 116, the cavity 116 of the box body 11 is used for accommodating electronic components of the controller, protection of the electronic components of the controller is achieved, and the electronic components comprise a circuit part and the circuit part comprises the heating device 15.
The heat sink assembly 12 has a plurality of thermally conductive surfaces 127. The plurality of heat conducting surfaces 127 are located in the cavity 116, the plurality of heat conducting surfaces 127 are distributed along the circumferential direction of the heat generating device 15, and the plurality of heat conducting surfaces 127 and the inner wall of the cavity 116 jointly enclose to form the heat conducting part 123. The heat conducting portion 123 is used for accommodating the heating device 15, when the heating device 15 is installed in the heat conducting portion 123, a part of heat of the heating device 15 can be led out from the plurality of heat conducting surfaces 127 to achieve heat dissipation, and a part of heat is led out through the inner wall of the cavity to achieve heat dissipation by using the box 11. Specifically, in this embodiment, the heat conducting surfaces 127 are two and are located on two sides of the heat generating device 15, and the heat generating device 15 is located between the two heat conducting surfaces 127. The upper end of the heat dissipation component 12 is abutted against the upper inner wall of the cavity 116, and the two heat conducting surfaces 127 and a part of the upper inner wall of the cavity 116 are jointly enclosed to form a heat conducting part 123, wherein the heat conducting part 123 can be a cavity or a groove body, can accommodate the heating device 15, and can also be a space region formed by a plurality of heat conducting surfaces 12 which are distributed at intervals and are jointly enclosed with a part of the upper inner wall of the cavity 116. The inner wall of the heat conducting portion 123 can absorb heat of the heat generating device 15 and transfer the heat to the outside of the conductive case 11.
The application utilizes the plurality of heat conducting surfaces 127 and the box 11 to radiate heat, increases the radiating area, improves the radiating efficiency and the performance, and prevents the heating device 15 from accumulating a large amount of heat in the cavity of the box to influence other parts of the controller.
Optionally, at least a portion of thermally conductive surface 127 abuts heat-generating device 15. And improves the heat transfer efficiency.
In one embodiment, the heat dissipation mechanism further comprises a heat conducting member 13. The case 11 also has a heat sink 117. The heat conductive member 13 is a good conductor of heat. The heat dissipation assembly 12 is a heat dissipation member such as a heat dissipation block. The heat radiating component 12 is connected with the heat conducting piece 13, heat generated by the heating device 15 is transferred to the heat radiating component, part of heat on the heat radiating component 12 is radiated from the heat radiating opening 117, the rest of heat on the heat radiating component 12 is transferred to the box body 11 through the heat conducting piece 13, and is transferred to the outside from the inside of the box body 11, so that the heat conducting area of the heat radiating component 12 is increased, and the heat radiating performance is improved. The heat dissipation mechanism of the embodiment of the application has high integration and space utilization rate, the heat dissipation component 12 is sleeved on the heating device 15 through the heat conduction part 123, the installation of the heat dissipation component 12 is realized, part of heat on the heat dissipation component 12 is dissipated from the heat dissipation port 117, the rest of heat on the heat dissipation component 12 and the heat in the box body 11 are thermally radiated to the box body 11 through the heat conduction part 13, the heat is conducted out through the box body 11, the heat dissipation efficiency can be improved under the condition that the area of the heat dissipation component 12 is not required to be increased, more different modules can be installed in the space in the box body 11, and the space utilization rate of the box body is improved.
The cavity 116 is communicated with the outside of the box 11 through the heat dissipation opening 117, and heat dissipation to the outside of the box 11 can be quickened through the heat dissipation opening 117. The heat dissipation component 12 has a heat conduction function, and the heat of the heating device 15 can be quickly transferred to the heat dissipation component 12, so that the heat dissipation of the heating device 15 can be quickened.
The heat conductive member 13 is sandwiched between the heat dissipation assembly 12 and the inner wall of the cavity 116. The heat conducting member 13 may transfer a portion of the heat dissipating component 12 to the case 11, so that the heat may be transferred through the case 11.
At least a portion of heat dissipating assembly 12 is positioned within cavity 116 and is adapted to be mounted on heat generating device 15, at least a portion of heat dissipating assembly 12 being positioned at heat sink 117. As shown in fig. 4, a partial area of the heat dissipating component 12 is located at the heat dissipating opening 117 and covers the heat dissipating opening 117, and heat in the area is dissipated from the heat dissipating opening 117 to air outside the case 11. The other part of the areas on the heat dissipation assembly 12 are located in the cavity 116, and the areas are connected with the inner wall of the cavity 116 through the heat conduction piece 13, so that part of heat on the heat dissipation assembly 12 can be dissipated by the box 11, the heat is transmitted from the heat dissipation assembly 12 to the outside of the box 11 through the heat conduction piece 13 and the inside of the box 11, and compared with the heat radiation by using air, the heat dissipation efficiency is better, and the heat dissipation effect is better.
As shown in fig. 1 and fig. 5 to fig. 7, in one embodiment, the heat dissipation assembly 12 has a mounting groove 128 for accommodating the heat generating device 15, the mounting groove 128 of the heat dissipation assembly 12 is located in the cavity 116, the heat dissipation assembly 12 is sleeved on the heat generating device 15 through the mounting groove 128, specifically, the heat conducting surface 127 is located on the inner wall of the mounting groove 128, and the side surfaces of the heat generating device 15 are all abutted with the heat conducting surface 127, so that heat transfer efficiency is improved, most of heat on the heat generating device 15 can be transferred to the heat dissipation assembly 12 through the heat conducting surface 127, and heat entering the cavity 116 is reduced.
In one embodiment, heat dissipation assembly 12 includes a first heat sink 121 and a second heat sink 122. The first heat dissipation element 121 and the second heat dissipation element 122 are both provided with a heat conduction surface 127. The first heat dissipation element 121 and the second heat dissipation element 122 are arranged at intervals along the horizontal direction to form a mounting groove 128, and the heat conducting surface 127 is positioned on the inner wall of the mounting groove 128. The second heat dissipation element 122 is close to the inner wall of the cavity 116 and is located at the heat dissipation opening 117, so that heat dissipation is conveniently performed by using the heat dissipation opening 117. The first heat sink 121 is adjacent to the interior of the cavity 116. At least part of the heat conducting member 13 is clamped between the first heat dissipating member 121 and the inner wall of the cavity 116, and at least part of the heat conducting member 13 is clamped between the second heat dissipating member 122 and the inner wall of the cavity 116. Specifically, one end of the heat conducting member 13 is located between the first heat dissipating member 121 and the inner wall of the cavity 116, the other end of the heat conducting member 13 is located between the second heat dissipating member 122 and the inner wall of the cavity 116, the middle area of the heat conducting member 13 is located above the mounting groove 128, and the heat generating device 15 is clamped into the mounting groove 128 from below the mounting groove 128, so that the heat dissipating assembly 12 is convenient to mount. During installation, the first heat dissipation element 121 and the second heat dissipation element 122 are relatively fixed to form an installation groove 128, and then the installation groove 128 is sleeved on the heating device 15, so that rapid installation is realized, and the inner wall of the installation groove 128 and the inner wall of a part of the cavity form the heat conduction part 123 together. The first heat dissipation element 121 and the second heat dissipation element 122 may be fixed relatively by means of a connection plate, a connection bolt, or the like. Optionally, the materials of the first heat dissipation element 121 and the second heat dissipation element 122 are aluminum, so that the heat conduction effect is good.
In this embodiment, the heat conducting surface 127 on the first heat dissipation element 121 and the heat conducting surface 127 on the second heat dissipation element 122 are disposed opposite to each other, and the heat generating device is located between the two heat conducting surfaces 127.
Further, the first heat sink 121 has a plurality of first heat dissipating ribs 124 extending in a direction away from the second heat sink 122, and the second heat sink 122 extends into the cavity 116. The plurality of first heat dissipation ribs 124 are arranged at intervals from top to bottom, and at least part of the heat conduction member 13 is clamped between one of the first heat dissipation ribs 124 and the inner wall of the cavity 116. Specifically, one end of the heat conductive member 13 is sandwiched between the uppermost first heat dissipating rib 124 and the inner wall of the top of the cavity 116. Through a plurality of first heat dissipation ribs 124, increase the area of first heat dissipation piece 121 for the heat of heating element 15 better transmits first heat dissipation piece 121, then the heat of first heat dissipation piece 121 everywhere upwards transmits on the first heat dissipation rib 124 of top slowly, and finally gives off in the outside air of box body 11 through heat conduction piece 13 and box body 11, has mentioned the whole heat dissipation area of radiator unit 12, has improved radiating efficiency.
In one embodiment, the second heat dissipation element 122 has a plurality of second heat dissipation ribs 125 extending from the heat dissipation port 117 to the outside of the case 11 along a direction away from the first heat dissipation element 121, the plurality of second heat dissipation ribs 125 are arranged at intervals from top to bottom, and at least part of the heat conduction element 13 is clamped between one of the second heat dissipation ribs 125 and an inner wall of the cavity 116. Specifically, the other end of the heat conductive member 13 is sandwiched between the uppermost second heat dissipating rib 125 and the inner wall of the top of the cavity 116. Through a plurality of second heat dissipation muscle 125, increase the area of second heat dissipation piece 122 for the heat of heating element 15 better transmits second heat dissipation piece 122, then the heat of second heat dissipation piece 122 everywhere upwards transmits on the second heat dissipation muscle 125 of the top slowly, finally in the outside air of box body 11 is given off to through heat conduction piece 13 and box body 11, the terminal of second heat dissipation muscle 125 stretches to the outside of box body 11 from thermovent 117, consequently, still some heat transfer to the terminal of second heat dissipation muscle 125 gives off the outside of box body 11, the whole radiating area of radiator unit 12 has been mentioned, the radiating effect is better.
In this way, the first heat dissipation element 121 and the second heat dissipation element 122 have the same structure, and the first heat dissipation element 121 and the second heat dissipation element 122 are distributed in a mirror symmetry manner with the heat generating device 15 as a center. Through the cooperation of first heat dissipation muscle 124 and second heat dissipation muscle 125 with heat conduction spare 13 respectively, the most effective heat dissipation area that utilizes first heat dissipation spare 121 and second heat dissipation spare 122 has utilized the convection of the inner wall of the cavity 116 of box body 11, second heat dissipation muscle 125 and outside air promptly, has greatly strengthened the radiating effect.
Optionally, the heat sink assembly 12 further includes a first threaded connection 126. The first threaded connection 126 is a bolt, screw, or the like. The first heat sink 121 is connected to the second heat sink 122 through a first screw connection 126. A plurality of threaded holes are formed in the first radiating piece 121 and the second radiating piece 122, the first threaded connecting piece 126 is provided with a plurality of threaded holes, the first threaded connecting piece 126, the threaded holes in the first radiating piece 121 and the threaded holes in the second radiating piece 122 are in one-to-one correspondence, the first threaded connecting piece 126 penetrates through the threaded holes in the first radiating piece 121 and the threaded holes in the second radiating piece 122 to realize quick connection between the first radiating piece 121 and the second radiating piece 122, the size of the mounting groove 128 can be adjusted according to the size of the heating device 15, and the heat radiating assembly 12 and the heating device 15 are convenient to assemble.
Optionally, the case 11 includes a housing 111 and a cover 112. The housing 111 is provided with a receiving groove, and the cover 112 is mounted on the housing 111 and encloses with the inner wall of the receiving groove of the housing 111 to form a cavity 116 and a heat dissipation opening 117. The cover 112 is located above the shell 111, the cover 112 covers the shell 111, the heat dissipation opening 117 is located on the side face of the box 11, through the shell 111 and the cover 112, the installation of the heating component and the heat conduction piece 13 is facilitated, when the heat dissipation mechanism is installed, the circuit part of the controller is installed in the accommodating groove, then the first heat dissipation piece 121 and the second heat dissipation piece 122 are assembled to form the heating component, the heating component is installed on the heating device 15 of the circuit part, the heat conduction piece 13 is installed on the first heat dissipation piece 121 and the second heat dissipation piece 122 immediately, finally the cover 112 is installed, the lower end face of the heat conduction piece 13 is abutted on the first heat dissipation piece 121 and the second heat dissipation piece 122, and the upper end face of the heat conduction piece 13 is abutted with the cover 112.
Optionally, the heat dissipation opening 117 is disposed on the housing 111, and the heat dissipation assembly 12 has two mounting manners, that is, the upper end of the heat dissipation assembly 12 directly abuts against the cover 112, and directly transfers heat to the cover 112. The other is that the upper end of the heat dissipation component 12 is abutted with the cover 112 through the heat conduction member 13 to indirectly transfer heat to the cover 112, and in the second mode, the heat conduction member 13 is clamped between the heat dissipation component 12 and the cover 112. The side of casing is located to the thermovent, realizes the side heat dissipation, and the heat conduction spare presss from both sides between radiator unit and lid, utilizes the upper cover to realize the top surface heat dissipation.
In addition, in other embodiments, the heat conducting member is sandwiched between the heat dissipating component and the housing, so that heat dissipation by the housing can be achieved.
Optionally, the housing 111 and/or the cover 112 are good conductors of heat. The housing 111 and/or the cover 112 are metal members, such as copper, aluminum, etc., to improve heat dissipation efficiency. Specifically, in this embodiment, the cover 112 is made of an aluminum plate, and the cover 112 abuts against the heat conducting member 13 to achieve rapid heat dissipation.
Optionally, the case 11 further comprises a second threaded connection 113. The second screw 113 is a bolt, a screw, or the like. The cover body 112 is connected with the shell 111 through the second threaded connecting piece 113, a plurality of threaded holes are formed in the cover body 112 and the shell 111, the second threaded connecting pieces 113 are arranged in a plurality, the threaded holes in the second threaded connecting pieces 113 and the cover body 112 correspond to the threaded holes in the shell 111 one by one, and the cover body 112 and the shell 111 are quickly connected through the second threaded connecting pieces 113 penetrating through the threaded holes in the cover body 112 and the threaded holes in the shell 111.
The cartridge 11 further comprises a third threaded connection 114. The third threaded connection 114 is a bolt, screw, or the like. The heat dissipation assembly 12 is mounted to the housing 111 through a third screw connection 114, and the heat conduction member 13 is clamped between the heat dissipation assembly 12 and the cover 112. The heat dissipation component 12 is provided with a plurality of threaded holes corresponding to the third threaded connectors 114 one by one, and the heat dissipation component 12 is mounted by matching the third threaded connectors 114 with the threaded holes on the heat dissipation component 12.
Specifically, the shell 111 is provided with a U-shaped groove 118, the U-shaped groove 118 is located at the edge of the heat dissipation port 117, the second heat dissipation part 122 of the heat dissipation component 12 is provided with a threaded hole matched with the third threaded connection part 114, the third threaded connection part 114 penetrates through the threaded hole of the heat dissipation component 12 and the U-shaped groove 118 of the shell 111, the relative position of the heat dissipation component 12 and the shell 111 can be adjusted through the U-shaped groove 118, the heat dissipation component 12 is prevented from being affected due to manufacturing errors or model change of the heat dissipation component 12, and the heat dissipation component 12 is convenient to install.
In one embodiment, the heat dissipation mechanism further comprises a heat dissipation fan. The box 11 also has a vent, the cavity 116 communicates with the outside of the box 11 through the vent, and the cooling fan is mounted on the box 11 and located at the vent. Under the condition that space allows, a cooling fan can be added to rapidly discharge heat in the cavity 116, so that the cooling efficiency is further improved.
Meanwhile, the embodiment of the application also provides a controller which can be used in the field of direct current brushless motor control and can also be applied to the field of other automatic control equipment.
The controller includes a circuit board 14, a heat generating device 15 integrated on the circuit board 14, and the heat dissipating mechanism described above. The circuit board 14 is a circuit board, the heating device 15 is welded on the circuit board 14 to realize electrical connection with the circuit board 14, and the heat dissipation component 12 is arranged on the heating device 15 to realize rapid heat dissipation. The heat generating device 15 is located at the heat conducting portion 123, the heat generating device 15 is located in an area formed by surrounding the plurality of heat conducting surfaces 127 and at least part of the inner walls of the cavity 116, and specifically, the heat generating device 15 is located in the mounting groove 128.
Optionally, the heat generating devices 15 are arranged in a plurality of and spaced apart manner, and the plurality of heat conducting surfaces 127 are located on the inner wall of the mounting groove 128 of the heat dissipating component 12. The heat-generating devices 15 are surrounded and clamped by the plurality of heat-conducting surfaces 127, and at least part of the heat-conducting surfaces 127 are abutted against the heat-generating devices 15. A heat dissipation mechanism can simultaneously dissipate heat for a plurality of heating devices 15, and compared with the prior art that each heater is provided with a heat dissipation mechanism, the controller of the embodiment has simpler overall structure, smaller volume and lower cost. Under the condition that the basic structure and the space of the box body 11 are not changed, the controller achieves better heat dissipation effect, reduces the use requirement of the heating device 15, reduces the temperature of the controller and prolongs the service life of the controller.
In one embodiment, the controller further comprises a fourth threaded connection 16. The fourth screw 16 is a bolt, a screw, or the like. The inner wall of the cavity 116 is provided with a support column 115, and the circuit board 14 is abutted on the support column 115 and connected with the box 11 through a fourth threaded connector 16. The inner wall of the cavity 116 or the support column 115 is provided with a threaded hole, specifically, in this embodiment, the support column 115 is provided with a threaded hole, and the fourth threaded connection member 16 is in threaded connection with the threaded hole on the support column 115, so as to realize the installation of the circuit board 14. The support posts 115 provide a reduction between the circuit board 14 and the inner wall of the cavity 116, so that a small portion of the heat generated by the circuit board 14 can flow out to the cavity 116 to be absorbed by the heat dissipation assembly 12.
The technical principle of the present utility model is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the utility model and should not be taken in any way as limiting the scope of the utility model. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202420045830.5U CN222302243U (en) | 2024-01-08 | 2024-01-08 | Heat dissipation mechanism and controller thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202420045830.5U CN222302243U (en) | 2024-01-08 | 2024-01-08 | Heat dissipation mechanism and controller thereof |
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| CN222302243U true CN222302243U (en) | 2025-01-03 |
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| CN202420045830.5U Active CN222302243U (en) | 2024-01-08 | 2024-01-08 | Heat dissipation mechanism and controller thereof |
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