CN211630696U - Controller and shell thereof - Google Patents
Controller and shell thereof Download PDFInfo
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- CN211630696U CN211630696U CN202020341572.7U CN202020341572U CN211630696U CN 211630696 U CN211630696 U CN 211630696U CN 202020341572 U CN202020341572 U CN 202020341572U CN 211630696 U CN211630696 U CN 211630696U
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- groove
- metal base
- controller
- heating element
- mounting
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Abstract
The utility model discloses a controller and a shell thereof, the shell comprises a metal base, the metal base comprises a containing groove part for installing a heating element, the metal base is provided with a mounting groove for installing a refrigerant pipeline, and part of the groove wall of the mounting groove is arranged close to the peripheral wall of the containing groove part; the shell is provided with a mounting cavity for mounting a circuit board; the opening of the mounting groove and the opening of the accommodating groove part face the outer side of the metal base and are opposite to the opening direction of the mounting cavity. The structure can conduct heat of the heating element to the metal base quickly in time and then is taken away by flowing refrigerants, so that the heat is prevented from accumulating on the heating element, the temperature of the heating element can be effectively reduced, and the normal working reliability of the heating element is ensured.
Description
Technical Field
The utility model relates to an air conditioning system technical field especially relates to a controller for air conditioning system and shell thereof.
Background
The air conditioning system is provided with a controller for driving the compressor and the fan to work.
The controller comprises a circuit board and electronic components electrically connected with the circuit board, and in the actual working process, the components with large heat productivity of the controller, such as the PFC inductor, need to dissipate heat in time.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem of heat dissipation, the utility model provides a housing of a controller, which comprises a metal base, wherein the metal base comprises an accommodating groove part for installing a heating element, the metal base is provided with an installation groove for installing a refrigerant pipeline, and part of the groove wall of the installation groove is arranged close to the peripheral wall of the accommodating groove part; the shell is provided with a mounting cavity for mounting the circuit board, and the opening of the mounting groove and the opening of the accommodating groove part face to the outer side of the metal base and are opposite to the opening direction of the mounting cavity.
The utility model discloses a shell of controller that provides, be equipped with metal base, be equipped with the slot part that holds that is used for installing the heating element of controller on metal base, still be equipped with the mounting groove that is used for installing the refrigerant pipeline on the metal base, the partial cell wall of mounting groove is close to the perisporium setting that holds the slot part, thus, controller during operation, the heat that heating element produced can conduct to metal base, the heat is taken away in the refrigerant flow in the refrigerant pipeline of metal base is located to the rethread, this structure can in time conduct heating element's heat to metal base fast, be taken away by the refrigerant that flows again, avoid the heat to gather at heating element, can reduce heating element's temperature effectively, ensure the reliability of heating element normal work.
The housing as described above, wherein a plurality of fins are provided between a region of the mounting groove close to the accommodation groove portion and the accommodation groove portion; a plurality of fins are located on the outside and/or inside of the metal base.
In the housing, the mounting groove is U-shaped and includes two linear groove sections arranged in parallel and a curved groove section connecting the two linear groove sections; the curved groove section is close to the accommodating groove part, the groove wall of the curved groove section extends along the opening direction to form a protruding part, and at least part of the fins are arranged between the protruding part and the accommodating groove part.
The housing as described above further includes a cover plate for closing the opening of the receiving groove portion, the cover plate having a plurality of through holes.
As for the shell, a plurality of clamping grooves used for being clamped and hung with external equipment are formed in the periphery of the metal shell.
The shell is provided with a plurality of openings, so that the interface of the circuit board can be in communication connection with external equipment through the openings.
The utility model also provides a controller, including the circuit board and with the heating element that the circuit board electricity is connected still includes the aforesaid the shell, the circuit board set firmly in the installation intracavity, heating element set firmly in hold the inslot.
Since the above-mentioned housing has the above-mentioned technical effects, the controller including the housing also has the same technical effects, and the discussion thereof is not repeated here.
According to the controller, a heat transfer medium is further arranged between the heating element and the accommodating groove part so as to conduct heat generated by the heating element to the metal base.
In the above controller, the heat transfer medium is heat-conductive silicone rubber, and the heat-conductive silicone rubber is filled between the heating element and the inner groove wall of the accommodating groove.
In the controller, the heating element is a PFC inductor.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of a controller provided in the present invention;
FIG. 2 is a schematic structural view of the controller of FIG. 1 with the cover plate removed;
FIG. 3 is a schematic structural diagram of a housing of the controller of FIG. 1;
fig. 4 is a partially enlarged view of the mating portion of the housing with the mounting groove and the receiving groove in fig. 2.
Description of reference numerals:
the structure comprises a shell 100, a metal base 110, a containing groove part 111, a mounting groove 112, a projection 1121, a fin 114, a clamping groove 120, a mounting cavity 130 and a cover plate 140;
Detailed Description
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
For ease of understanding and clarity of description, the following description is provided in conjunction with the controller and its housing, and the advantageous portions will not be repeated.
Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a controller according to an embodiment of the present invention; FIG. 2 is a schematic structural view of the controller of FIG. 1 with the cover plate removed; FIG. 3 is a schematic structural diagram of a housing of the controller of FIG. 1; fig. 4 is a partially enlarged view of the mating portion of the housing with the mounting groove and the receiving groove in fig. 2.
The utility model discloses a controller mainly used air conditioning system for parts such as drive air conditioning system's compressor or fan work. Of course, the controller may be used in other systems as desired.
The controller mainly includes a circuit board 210 and a heat generating element electrically connected to the circuit board 210.
In this embodiment, the controller is further provided with a housing 100 for mounting the circuit board 210, so as to avoid being influenced by the external environment, thereby protecting the circuit board 210, and facilitating the connection between the controller and the external device through the housing 100.
The housing 100 has a mounting cavity for mounting the circuit board 210, and the circuit board 210 may be fixed to the housing 100 by a fastener such as a screw.
It is apparent that the specific configuration of the mounting cavity is related to the layout and configuration of the circuit board 210 and the electronic components thereon.
In this embodiment, the housing 100 is provided with a heat dissipation structure for dissipating heat of the heating element, and a main body of the heat dissipation structure and a main body of the housing 100 are integrally formed.
Without loss of generality, the heating element of the controller is specifically described as the PFC inductor 220, and in practical applications, the heating element of the controller may be other electronic components according to different application occasions.
In this embodiment, the housing 100 includes a metal base 110, wherein the metal base 110 is integrally formed with the main body of the housing 100 of the controller, and the housing 100 is a metal housing for convenience.
The metal base 110 includes an accommodating groove 111 for mounting the PFC inductor 220, and in particular, when the metal base is disposed, a heat transfer medium (not shown in the figure) may be disposed in an accommodating cavity of the accommodating groove 111, and during operation, heat generated by the PFC inductor 220 may be rapidly transferred to the metal base through the heat transfer medium.
Specifically, the heat transfer medium may be filled between the PFC inductor 220 and the inner wall of the receiving groove 111, so as to timely and effectively transfer the heat generated by the PFC inductor 220.
In this embodiment, the heat transfer medium is specifically heat-conductive silicone rubber, and during actual assembly, the PFC inductor 220 may be fixed in the accommodating groove 111 by a fastener such as a screw, and then the liquid heat-conductive silicone rubber is filled in the accommodating groove 111, and after the liquid heat-conductive silicone rubber is fixed, the liquid heat-conductive silicone rubber is filled between the PFC inductor 220 and the inner groove wall of the accommodating groove 111, which also plays a role in fixing the PFC inductor 220. It can also be understood that the thermal conductive silicone rubber encapsulates the PFC inductor 220 in the accommodating groove 111 in a potting manner, so as to protect the PFC inductor 220.
The mode of setting up heat conduction silicon rubber as above can make heat conduction silicon rubber closely laminate with the cell wall that holds slot part 111, improves heat-conducting efficiency for the heat that PFC inductance 220 produced can in time distribute away.
The metal base 110 is further provided with a refrigerant pipeline, and after the heat conductive silicone rubber conducts the heat generated by the PFC inductor 220 to the metal base 110, a flowing refrigerant in the refrigerant pipeline exchanges heat with the metal base 110.
The housing 100 provided by the embodiment can effectively dissipate heat of the heating element of the controller in time, reduce the temperature of the heating element, and ensure the normal operation of the heating element.
In a specific scheme, the metal base 110 is provided with a mounting groove 112 matched with the refrigerant pipeline, the refrigerant pipeline is embedded in the mounting groove 112, and during actual setting, the wall of the mounting groove 112 is in contact with at least part of the wall of the refrigerant pipeline, so that the contact area between the refrigerant pipeline and the metal base 110 can be increased, and the heat dissipation efficiency of the refrigerant pipeline for conducting heat from the PFC inductor 220 to the metal base 110 is improved.
More specifically, the contact area between the refrigerant pipeline and the metal base 110 may occupy at least half of the surface area of the refrigerant pipeline, and this ratio may be set according to the actual application requirement, which is not limited herein.
In a specific embodiment, a part of the groove wall of the mounting groove 112 is disposed near the peripheral wall of the accommodating groove 111, so that heat conducted from the PFC inductor 220 to the metal base 110 through the heat transfer medium can exchange heat with the refrigerant pipeline more quickly, thereby further improving the heat dissipation efficiency and the heat dissipation effect.
In the illustrated example, the mounting groove 112 is a U-shaped structure, and includes two substantially parallel linear groove sections and a curved groove section connecting the same ends of the two linear groove sections, wherein the curved groove section is disposed near the accommodating groove 111.
To facilitate the installation and arrangement of the related components, the mounting groove 112 and the receiving groove 111 are opened toward the outside of the metal base 110, and obviously, the mounting cavity 130 of the housing 100 is opened toward the opposite direction to the mounting groove 112 and the receiving groove 111.
The outer side is referred to as the mounting cavity 130 of the housing 100, and the side close to the mounting cavity 130 is the inner side and the side far away from the mounting cavity is the outer side.
In a specific embodiment, a plurality of fins 114 are disposed between the region of the mounting groove 112 near the accommodating groove portion 111 and the accommodating groove portion 111, and the fins 114 may be disposed on an outer surface of the casing 100, an inner surface of the casing 100, or both sides.
The fins 114 can effectively conduct heat around the PFC inductor 220 to the refrigerant pipe fittings, so as to more effectively reduce the temperature of the PFC inductor 220, and the fins 114 can also reinforce the accommodating groove 111.
The structural form of each fin 114 is not limited.
Specifically, when the installation is performed, the groove wall of the curved groove section of the installation groove 112 extends along the opening direction thereof to form a protrusion 1121, and at least a part of the fins 114 among the plurality of fins 114 is disposed between the protrusion 1121 and the accommodation groove 111. The arrangement of the protruding portion 1121 is beneficial to the arrangement of the fins 114 between the protruding portion and the accommodating groove portion 111, so as to improve heat conduction, and on the other hand, the contact area with the cooling pipeline can be increased, so as to improve heat dissipation efficiency.
In this embodiment, the housing 100 further includes a cover plate 140 for sealing the opening of the receiving slot 111 to protect the PFC inductor 220, and the cover plate 140 is provided with a plurality of through holes.
While the main body of the housing 100 is integrally formed with the metal base 110 in the above-described embodiments, it is understood that in other embodiments, the metal base 110 and the main body of the housing 100 may be separately formed and then fixedly connected together.
In this embodiment, the housing 100 is further provided with a plurality of openings, so that the interface on the circuit board 210 can be communicatively connected with external devices, such as a power interface, a reactor interface, a detection interface, and the like, through the openings at corresponding positions. Obviously, the number and the position of the openings on the casing 100 are related to the external interface on the circuit board 210, and can be set according to the actual requirement.
In this embodiment, a plurality of slots 120 for being hooked by an external device are disposed on the periphery of the housing 100, specifically, each of the peripheries of the housing 100 may be disposed with a slot 120 as needed, or two opposite peripheries may be disposed with a slot 120, and more specifically, each of the peripheries may be disposed with a plurality of slots 120 arranged at intervals along the length direction.
Therefore, after the controller is assembled, the clamping groove 120 structure of the shell 100 can be clamped and hung with relevant equipment (such as an installation sheet metal part of an air conditioner external unit controller) in an application system, so that the pre-installation of the shell and the relevant equipment is realized through the clamping groove 120, the relative position of the controller and the relevant equipment can be limited in advance, and when the controller is fastened by fasteners such as screws subsequently, the situation that the controller needs to be positioned while the screws are fastened is avoided, one person can finish the installation operation, and the assembly and the disassembly are convenient. Of course, the external device connected to the controller should be provided with a locking structure that is locked and matched with the locking slot 120.
The controller and the housing thereof provided by the present invention are introduced in detail. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The shell of the controller is characterized by comprising a metal base, wherein the metal base comprises an accommodating groove part for installing a heating element, the metal base is provided with an installation groove for installing a refrigerant pipeline, and part of groove wall of the installation groove is arranged close to the peripheral wall of the accommodating groove part; the shell is provided with a mounting cavity for mounting a circuit board; the opening of the mounting groove and the opening of the accommodating groove part face the outer side of the metal base and are opposite to the opening direction of the mounting cavity.
2. The housing of claim 1, wherein a plurality of fins are provided between a region of the mounting groove adjacent to the receiving groove portion and the receiving groove portion; a plurality of fins are located on the outside and/or inside of the metal base.
3. The housing of claim 2, wherein the mounting slot is U-shaped and includes two linear slot segments disposed parallel to each other and a curved slot segment connecting the two linear slot segments; the curved groove section is close to the accommodating groove part, the groove wall of the curved groove section extends along the opening direction to form a protruding part, and at least part of the fins are arranged between the protruding part and the accommodating groove part.
4. The housing according to any one of claims 1 to 3, further comprising a cover plate for closing the opening of the receiving groove, the cover plate having a plurality of through holes.
5. A casing according to any one of claims 1 to 3, wherein the casing is provided with a plurality of slots around its periphery for engaging with external devices.
6. A casing according to any one of claims 1 to 3, wherein the casing is provided with a plurality of openings so that the interface of the circuit board can be electrically connected to an external device through the openings.
7. The controller, including the circuit board and the heating element that is connected with the circuit board electricity, characterized by, still include the shell of any one of claims 1-6, the circuit board sets firmly in the installation cavity, the heating element sets firmly in the accommodation groove portion.
8. The controller of claim 7, wherein a heat transfer medium is further disposed between the heat generating element and the receiving slot portion to transfer heat generated by the heat generating element to the metal base.
9. The controller according to claim 8, wherein the heat transfer medium is a heat conductive silicone rubber filled between the heat generating element and an inner groove wall of the accommodating groove portion.
10. The controller of claim 8, wherein the heating element is a PFC inductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020341572.7U CN211630696U (en) | 2020-03-18 | 2020-03-18 | Controller and shell thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020341572.7U CN211630696U (en) | 2020-03-18 | 2020-03-18 | Controller and shell thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211630696U true CN211630696U (en) | 2020-10-02 |
Family
ID=72621715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020341572.7U Active CN211630696U (en) | 2020-03-18 | 2020-03-18 | Controller and shell thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211630696U (en) |
-
2020
- 2020-03-18 CN CN202020341572.7U patent/CN211630696U/en active Active
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