Combined radiator applied to switching power supply

Abstract

The utility model provides a combined radiator applied to a switching power supply, which comprises a main radiating plate, a first auxiliary radiating plate and a second auxiliary radiating plate, and a plurality of fins are arranged on the main radiating plate, the first auxiliary radiating plate and the second auxiliary radiating plate at intervals; one end of the main heat dissipation plate is detachably installed on the first auxiliary heat dissipation plate, the other end of the main heat dissipation plate is detachably installed on the second auxiliary heat dissipation plate, and the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate are each provided with a plurality of main heat dissipation plate installation positions. The combined radiator applied to the switching power supply has the advantages of being simple in structure, easy to assemble and adjust and high in applicability, suitable radiating plates can be selected to serve as single radiators according to the placing positions of electronic devices, the positions of the radiating plates can be combined and adjusted, and the combined radiator is convenient to use. And a special-shaped radiator is formed to simultaneously radiate heat of electronic devices at different positions, so that the heat radiation effect of the combined radiator on the electronic devices in the switching power supply can be improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of radiator, especially a kind of combined radiator applied to switching power supply. BACKGROUND

[0002] With the rapid development of electronic technology, the integration of switching power supply is higher and higher, and the key electronic devices in it generate more heat during use. To ensure the stable operation of switching power supply, a radiator is needed to dissipate heat for the electronic devices with large heat generation. Therefore, the radiator with fins is widely used in switching power supply. Electronic devices at different positions use a fin-type radiator separately, or an integrated special-shaped radiator is made, so that electronic devices at different positions use the radiator for heat dissipation. The existing special-shaped radiator generally increases the heat dissipation volume by reasonable design, so that the heat dissipation capacity is improved, but its use range still has limitations, and adjustment and assembly are inconvenient, so it cannot be widely used, and the use efficiency is still low. UTILITY MODEL CONTENT

[0003] Therefore, the utility model aims at providing a combined radiator applied to switching power supply to solve the problem of inconvenient adjustment and assembly of existing special-shaped radiator.

[0004] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows:

[0005] A combined radiator applied to switching power supply, comprising a main heat dissipation plate, a first auxiliary heat dissipation plate and a second auxiliary heat dissipation plate, a plurality of fins are arranged on the main heat dissipation plate, the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate at intervals; the main heat dissipation plate is detachably mounted on the first auxiliary heat dissipation plate at one end and detachably mounted on the second auxiliary heat dissipation plate at the other end; a plurality of main heat dissipation plate mounting positions are arranged on the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate.

[0006] Further, the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate are arranged in parallel, and the main heat dissipation plate is arranged perpendicularly to the first auxiliary heat dissipation plate or the second auxiliary heat dissipation plate.

[0007] Further, the main heat dissipation plate and the first auxiliary heat dissipation plate are connected by a fixing screw, and the main heat dissipation plate is provided with a threaded hole matched with the fixing screw; the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate are provided with assembly holes matched with the fixing screw.

[0008] Further, the assembly holes are at least two in a group, and a plurality of groups of assembly holes are arranged on the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate at intervals.

[0009] Further, the first and second auxiliary heat dissipation plates have a receiving gap between two adjacent fins, the assembly hole is arranged corresponding to the receiving gap and communicates with the receiving gap, and the main heat dissipation plate is provided with a connecting part matched with the receiving gap.

[0010] Further, the main heat dissipation plate, the first auxiliary heat dissipation plate and the second auxiliary heat dissipation plate are all provided with a mounting position for mounting an electronic component, and are all provided below with a screw hole for connecting a circuit board.

[0011] Further, the main heat dissipation plate comprises a first sub heat dissipation plate and a second sub heat dissipation plate, and the first sub heat dissipation plate is detachably connected with the second sub heat dissipation plate.

[0012] Further, the first sub heat dissipation plate is provided with a plug-in part, and the second sub heat dissipation plate is provided with a plug-in groove matched with the plug-in part.

[0013] Further, the first sub heat dissipation plate is provided with a boss part below the plug-in part, the second sub heat dissipation plate is provided with a groove matched with the boss part, and the groove communicates with the plug-in groove.

[0014] Further, the first sub heat dissipation plate and the second sub heat dissipation plate are connected through a connecting screw, the connecting screw is arranged at least in two positions, the first sub heat dissipation plate and the second sub heat dissipation plate are both provided with a mounting hole matched with the connecting screw, and the mounting hole of the second sub heat dissipation plate communicates with the plug-in groove.

[0015] Compared with the prior art, the combined heat dissipation device applied to the switching power supply has the following advantages:

[0016] The combined heat dissipation device applied to the switching power supply has the advantages of simple structure, easy assembly and adjustment, and high applicability, can be used as a single heat dissipation device according to the placement position of the electronic device, and can be combined and adjusted to form a special-shaped heat dissipation device to dissipate heat for the electronic devices at different positions, thereby improving the heat dissipation effect of the combined heat dissipation device on the electronic devices in the switching power supply. BRIEF DESCRIPTION OF DRAWINGS

[0017] The drawings constituting a part of the present application are used to provide a further understanding of the present application, and the schematic embodiments of the present application and the description thereof are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0018] Figure 1 The structure of the combined heat dissipation device applied to the switching power supply is shown in the structure diagram of the combined heat dissipation device applied to the switching power supply according to the present application;

[0019] Figure 2 A structure schematic view of a first auxiliary heat dissipation plate applied to the combined heat sink of the switching power supply is described in the embodiment of the utility model;

[0020] Figure 3 A structure schematic view of a main heat dissipation plate applied to the combined heat sink of the switching power supply is described in the embodiment of the utility model;

[0021] Figure 4 A structure schematic view of a second auxiliary heat dissipation plate applied to the combined heat sink of the switching power supply is described in the embodiment of the utility model;

[0022] Figure 5 A structure schematic view of a screw hole part applied to the combined heat sink of the switching power supply is described in the embodiment of the utility model.

[0023] Mark explanation:

[0024] 1, main heat dissipation plate;2, first auxiliary heat dissipation plate;3, second auxiliary heat dissipation plate;4, fin;5, fixed screw;6, assembly hole;7, electronic component;8, containing gap;9, screw hole;10, connecting portion;11, first sub heat dissipation plate;12, second sub heat dissipation plate;13, threaded hole;14, plug-in part;15, connecting screw;16, boss portion. Specific implementation

[0025] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0026] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or position relationship based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of "multiple" is two or more.

[0027] In the description of the utility model, it is to explain, unless another explicit provision and limitation, term '' install '' '' link '' '' connection '' should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected;Can be mechanical connection, also can be electrical connection;Can be directly connected, also can be indirectly connected through intermediate medium, can be two elements inside the communication.For ordinary skilled in the art, the above-mentioned terms can be understood by the specific meaning in the utility model through specific circumstances.

[0028] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0029] A kind of combined radiator applied to switching power supply, as shown in Figures 1 to 5 It includes main heat sink 1, first vice heat sink 2 and second vice heat sink 3, and a plurality of fins 4 are spaced apart on the main heat sink 1, first vice heat sink 2 and second vice heat sink 3;The main heat sink 1 is detachably mounted on the first vice heat sink 2 at one end, and is detachably mounted on the second vice heat sink 3 at the other end, and a plurality of main heat sink 1 mounting positions are provided on the first vice heat sink 2 and the second vice heat sink 3.

[0030] Exemplarily, a plurality of fins 4 can be spaced apart, and each fin 4 is fixed on the corresponding main heat sink 1, first vice heat sink 2 and second vice heat sink 3. By spacing a plurality of fins 4, the heat dissipation area of the main heat sink 1, the first vice heat sink 2 and the second vice heat sink 3 can be effectively improved, so as to improve the heat dissipation effect of the combined radiator.

[0031] Preferably, the first vice heat sink 2 and the second vice heat sink 3 are arranged in parallel, and the main heat sink 1 is arranged perpendicularly to the first vice heat sink 2 or the second vice heat sink 3. By adopting the above arrangement, the structural stability of the connection between the main heat sink 1 and the first vice heat sink 2 and the second vice heat sink 3 can be improved, and the structural strength and stability of the whole combined radiator can be improved.

[0032] Preferably, the main heat sink 1 and the first vice heat sink 2, and the main heat sink 1 and the second vice heat sink 3 are connected by the fixing screw 5, the main heat sink 1 is provided with the threaded hole 13 matched with the fixing screw 5, and the first vice heat sink 2 and the second vice heat sink 3 are provided with the assembly hole 6 matched with the fixing screw 5.

[0033] Exemplarily, the assembly holes 6 are at least two groups, and multiple groups of assembly holes 6 are arranged on the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 at intervals. For example, the assembly holes 6 are two groups, and three groups of assembly holes 6 are arranged on the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 at intervals. Those skilled in the art can also adjust the number according to actual needs, which will not be described here. By arranging the assembly holes 6 in two groups, the main heat dissipation plate 1 can be connected to the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 by two fixing screws 5, which is conducive to improving the stability of the connection.

[0034] In actual application, by arranging multiple main heat dissipation plate 1 mounting positions on the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3, the relative positions of the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 can be conveniently adjusted according to actual assembly needs, which is relatively simple to operate and improves the applicability of the combined heat dissipation device.

[0035] Preferably, there is an accommodation gap 8 between the two adjacent fins 4 on the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3, the assembly hole 6 is arranged corresponding to the accommodation gap 8, and the assembly hole 6 is in communication with the accommodation gap 8, and the main heat dissipation plate 1 is provided with a connecting portion 10 matched with the accommodation gap 8.

[0036] In actual application, by using the connecting portion 10 and the accommodation gap 8 to fit, the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 can not only be kept stable under the connection of the fixing screw 5, but also can be kept stable under the fitting of the connecting portion 10 and the accommodation gap 8, which is conducive to further improving the structural strength of the connection between the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3.

[0037] Preferably, the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 are all provided with mounting positions for mounting electronic components 7, and the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 are all provided with screw holes 9 for connecting circuit boards below.

[0038] Exemplarily, the electronic components 7 can also be fixed on the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 by screws, and multiple screw holes for mounting screws are arranged on the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3, so as to select appropriate positions for mounting the electronic components 7 according to actual needs. In addition, by arranging the screw holes 9 below the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3, the circuit board can also be connected by screws, which is convenient for operators to connect and fix the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 with the circuit board according to needs, and ensures the heat dissipation effect of the main heat dissipation plate 1, the first auxiliary heat dissipation plate 2 and the second auxiliary heat dissipation plate 3 on the circuit board.

[0039] Preferably, the main heat sink 1 comprises a first sub-heat sink 11 and a second sub-heat sink 12, and the first sub-heat sink 11 is detachably connected with the second sub-heat sink 12. Exemplarily, the first sub-heat sink 11 is provided with a plug-in part 14, and the second sub-heat sink 12 is provided with a plug-in groove matched with the plug-in part 14. The first sub-heat sink 11 is provided with a boss part 16 at a position corresponding to below the plug-in part 14, and the second sub-heat sink 12 is provided with a groove matched with the boss part 16, and the groove is communicated with the plug-in groove. The screw hole 9 can be arranged corresponding to the boss part 16 to facilitate processing and assembly.

[0040] By adopting the split structure of the main heat sink 1, the operator can also disassemble and assemble the main heat sink 1 according to the needs, select appropriate first sub-heat sink 11 and / or second sub-heat sink 12 for assembly, and further improve the applicability of the combined heat sink. In addition, by providing the boss part 16 at the position corresponding to below the plug-in part 14 on the first sub-heat sink 11, and providing the groove matched with the boss part 16 on the second sub-heat sink 12, a good foolproof and positioning effect can be achieved, facilitating the operator to assemble the main heat sink 1.

[0041] In actual application, the first sub-heat sink 11 and the second sub-heat sink 12 are connected by the connecting screw 15, and the connecting screw 15 is arranged at least two intervals. The first sub-heat sink 11 and the second sub-heat sink 12 are both provided with mounting holes matched with the connecting screw 15, and the mounting holes on the second sub-heat sink 12 are communicated with the plug-in groove. Exemplarily, the connecting screw 15 can be arranged at two intervals to improve the stability of the connection between the first sub-heat sink 11 and the second sub-heat sink 12, and those skilled in the art can also adjust according to actual needs, which will not be described here.

[0042] The combined heat sink adopts a split structure, so that those skilled in the art can conveniently adjust and assemble according to actual needs, and can also select single or multiple heat sinks for assembly and use according to the space of the circuit board, having good applicability.

[0043] The combined heat sink for switching power supply has the advantages of simple structure, easy assembly and adjustment, and high applicability. It can be used as a single heat sink by selecting appropriate heat sinks according to the placement position of the electronic device, or it can be combined and adjusted to form a special-shaped heat sink to cool the electronic devices at different positions, which is beneficial to improve the overall heat dissipation effect of the combined heat sink on the electronic devices in the switching power supply.

[0044] The above merely describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A combined heat sink for use in a switching power supply, characterized by: The utility model provides a heat dissipation device, including main heat dissipation plate (1), first auxiliary heat dissipation plate (2) and second auxiliary heat dissipation plate (3), and a plurality of fins (4) are arranged on the main heat dissipation plate (1), first auxiliary heat dissipation plate (2) and second auxiliary heat dissipation plate (3) and are spaced, one end of the main heat dissipation plate (1) is detachably installed on the first auxiliary heat dissipation plate (2), and the other end is detachably installed on the second auxiliary heat dissipation plate (3), and a plurality of main heat dissipation plate (1) installation positions are arranged on the first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3).

2. The combined heat sink for use in a switching power supply according to claim 1, wherein: The first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3) are arranged in parallel, and the main heat dissipation plate (1) is arranged perpendicularly to the first auxiliary heat dissipation plate (2) or the second auxiliary heat dissipation plate (3).

3. The combined heat sink for use in a switching power supply according to claim 1, wherein: The main heat dissipation plate (1) and the first auxiliary heat dissipation plate (2) and the main heat dissipation plate (1) and the second auxiliary heat dissipation plate (3) are connected through the fixed screw (5), the main heat dissipation plate (1) is provided with the threaded hole (13) that cooperates with the fixed screw (5), and the first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3) are provided with the assembly hole (6) that cooperates with the fixed screw (5).

4. The combined heat sink for use in a switching power supply according to claim 3, wherein: The assembly hole (6) is at least two groups, and a plurality of assembly holes (6) are arranged on the first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3) and are spaced.

5. The combination heat sink for use in a switching power supply of claim 4, wherein: There is the accommodating gap (8) between the adjacent two fins (4) on the first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3), the assembly hole (6) is arranged corresponding to the accommodating gap (8), and the assembly hole (6) is communicated with the accommodating gap (8), and the main heat dissipation plate (1) is provided with the connecting portion (10) that cooperates with the accommodating gap (8).

6. The combination heat sink of claim 1, wherein: The main heat dissipation plate (1), the first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3) are provided with the installation position for installing electronic component (7), and the main heat dissipation plate (1), the first auxiliary heat dissipation plate (2) and the second auxiliary heat dissipation plate (3) below are provided with the screw hole (9) for connecting circuit board.

7. The combined heat sink for use in a switching power supply according to any one of claims 1 to 6, characterized in that: The main heat dissipation plate (1) includes the first sub heat dissipation plate (11) and the second sub heat dissipation plate (12), and the first sub heat dissipation plate (11) and the second sub heat dissipation plate (12) are detachably connected.

8. The combination heat sink for use in a switching power supply of claim 7, wherein: The first sub heat dissipation plate (11) is provided with the plug-in part (14), and the second sub heat dissipation plate (12) is provided with the insertion slot that cooperates with the plug-in part (14).

9. The combination heat sink for use in a switching power supply of claim 8, wherein: The first sub heat dissipation plate (11) is provided with the boss portion (16) corresponding to the position below the plug-in part (14), and the second sub heat dissipation plate (12) is provided with the recess that cooperates with the boss portion (16), and the recess is communicated with the insertion slot.

10. The combined heat sink for use in a switching power supply according to claim 8 or 9, characterized in that: The first sub heat dissipation plate (11) and the second sub heat dissipation plate (12) are connected through the connecting screw (15), and the connecting screw (15) is at least spaced two, and the first sub heat dissipation plate (11) and the second sub heat dissipation plate (12) are provided with the mounting hole that cooperates with the connecting screw (15), and the mounting hole on the second sub heat dissipation plate (12) is communicated with the insertion slot.

Images