CN220038552U - Mounting structure of flitch radiator - Google Patents
Mounting structure of flitch radiator Download PDFInfo
- Publication number
- CN220038552U CN220038552U CN202321373143.8U CN202321373143U CN220038552U CN 220038552 U CN220038552 U CN 220038552U CN 202321373143 U CN202321373143 U CN 202321373143U CN 220038552 U CN220038552 U CN 220038552U
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- radiator
- circuit board
- groups
- board main
- fastener
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- 238000010030 laminating Methods 0.000 claims description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 241001674044 Blattodea Species 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 241000238631 Hexapoda Species 0.000 description 3
- 230000006698 induction Effects 0.000 description 3
- 239000000779 smoke Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The utility model discloses a mounting structure of a veneer radiator, which comprises a circuit board main body, a radiator and a fastener, wherein a plurality of groups of radiating fins are arranged on the radiator, a through-flow groove is formed between any two adjacent groups of radiating fins in a surrounding manner, abutting parts for being attached to the circuit board main body are respectively arranged at the bottoms of two ends of the radiator, hollow parts are formed between the two groups of abutting parts in a surrounding manner, and the distance D between the bottom surface of the through-flow groove and the top surface of the hollow part is larger than the distance D between the top surface of the hollow part and the circuit board main body. The mounting structure of the veneer radiator has the advantages that the clearance between the radiator and the circuit board main body is small, the moisture-proof and insect-proof functions are realized, and the service life can be effectively prolonged.
Description
Technical Field
The utility model relates to the technical field of household appliances, in particular to a mounting structure of a veneer radiator.
Background
The induction cooker is a common household kitchen ware, in the use process, internal elements of the induction cooker such as an IGBT power tube, a bridge rectifier stack and the like can generate heat, and in order to avoid overheat damage of the internal elements, a conventional method in the market at present is to directly superimpose a radiator on the internal elements and cooperate with a radiating fan to radiate heat by utilizing convection of air. However, in the existing induction cooker, the IGBT power tube, bridge rectifier stack and the like are welded on the front side of the circuit board and protrude, so that a large gap is reserved between the radiator and the circuit board to ensure that the elements have installation space, the number of insects such as cockroaches is large in the kitchen high-temperature and high-humidity environment, the cockroaches easily climb into the gap, the cockroaches easily cause damage of the power tube when the IGBT power tube circuit climbs, and oil smoke and water vapor sucked by the fan easily accumulate in the sensitive part of the power tube when passing through the gap, so that the service life is reduced.
Disclosure of Invention
The utility model aims to solve the technical problem of overcoming the defects existing in the prior art, and provides a flitch radiator mounting structure which has small gap between a radiator and a circuit board main body and has the functions of dampproofing and insect prevention and effectively prolongs the service life.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a flitch radiator mounting structure, includes circuit board main part, radiator and is used for with the radiator is fixed set up in fastener in the circuit board main part, be equipped with a plurality of groups fin on the radiator, arbitrary adjacent two sets of enclose between the fin and close and be formed with the launder, radiator both ends bottom be equipped with respectively be used for with the butt portion of circuit board main part laminating, two sets of enclose between the butt portion and close and be formed with fretwork portion, the launder bottom surface with interval D between the fretwork portion top surface is greater than fretwork portion top surface with interval D between the circuit board main part.
As a further improvement of the above technical scheme:
the value of the spacing D is less than or equal to one third of the value of the spacing D.
The overflow grooves respectively positioned at the two ends of the radiator are end overflow grooves, and the two groups of abutting parts are respectively positioned at the bottoms of the end overflow grooves.
The fastener includes being located first fastener and being located in the end flow through groove cross the second fastener in the flow through groove, first fastener passes in proper order the circuit board main part with the radiator sets up and wears out the bottom surface in the end flow through groove, the second fastener passes in proper order the circuit board main part with the radiator sets up and wears out the bottom surface in flow through groove.
The number of the groups of the first fasteners is set into a plurality of groups, and the first fasteners of the plurality of groups are respectively arranged in the two groups of the end flow grooves;
the second fastening pieces are arranged in a plurality of groups, and the second fastening pieces are respectively arranged in three groups of mutually-spaced overflow grooves.
Compared with the prior art, the utility model has the advantages that:
the mounting structure of the veneer radiator comprises a circuit board main body and the radiator, wherein the radiator is provided with a plurality of groups of through-flow grooves, the bottoms of the two ends of the radiator are provided with abutting parts, the radiator is in abutting contact with the circuit board main body through the abutting parts, a hollowed-out part is formed between the two groups of abutting parts in a surrounding mode, the distance D between the bottom surface of the through-flow groove and the top surface of the hollowed-out part is larger than the distance D between the top surface of the hollowed-out part and the circuit board main body, namely, the gap between the radiator and the circuit board main body is smaller than the thickness of the radiator, the gap between the radiating surface of the radiator and the circuit board main body is small when the radiator is mounted, an air duct does not pass through the bottom of the radiator, the probability that oil smoke and water vapor adhere to the sensitive part of a power tube through the gap is reduced, and cockroaches are prevented from entering the inside to contact with elements such as an IGBT power tube and a bridge rectifier stack through the gap, so that the functions of preventing moisture and insect are achieved, and the service life is effectively prolonged.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the mounting structure of the heat sink with the board in top view.
Fig. 2 is a schematic structural diagram of the radiator and the circuit board main body in a top view.
Fig. 3 is a schematic diagram of the overall structure of the mounting structure of the heat sink of the veneer in front view.
Fig. 4 is a schematic structural diagram of the radiator and the circuit board main body in a front view.
Fig. 5 is an enlarged view of detail a in fig. 4.
Legend description:
1. a circuit board main body; 2. a heat sink; 201. a heat sink; 202. a flow trough; 2021. a flow groove is formed at the end; 203. an abutting portion; 204. a hollowed-out part; 3. a fastener; 301. a first fastener; 302. and a second fastener.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples.
As shown in fig. 1 to 5, the mounting structure of the heat sink of the board in this embodiment includes a circuit board main body 1, a heat sink 2 and a fastener 3 for fixing the heat sink 2 on the circuit board main body 1, a plurality of groups of heat sinks 201 are disposed on the heat sink 2, a through-slot 202 is formed between any two adjacent groups of heat sinks 201, abutting portions 203 for abutting the circuit board main body 1 are disposed at bottoms of two ends of the heat sink 2, a hollow portion 204 is formed between the two groups of abutting portions 203, and a distance D between a bottom surface of the through-slot 202 and a top surface of the hollow portion 204 is larger than a distance D between the top surface of the hollow portion 204 and the circuit board main body 1. The veneer radiator mounting structure comprises a circuit board main body 1 and a radiator 2, wherein a plurality of groups of through-flow grooves 202 are formed in the radiator 2, abutting parts 203 are arranged at the bottoms of two ends of the radiator 2, the radiator 2 is in abutting contact with the circuit board main body 1 through the abutting parts 203, hollowed-out parts 204 are formed between the two groups of abutting parts 203 in a surrounding mode, the distance between the bottom surface of the through-flow grooves 202 and the top surface of the hollowed-out parts 204 is defined, namely, the thickness of the radiator 2 at the through-flow grooves 202 is D, the distance between the top surface of the hollowed-out parts 204 and the circuit board main body 1 is defined, namely, the distance between the radiator 2 at the hollowed-out parts 204 and the circuit board main body 1 is D, and because D is larger than D, namely, the distance between the radiator 2 and the circuit board main body 1 is smaller than the thickness of the radiator 2, the distance between the radiating surface of the radiator 2 and the circuit board main body 1 is small, the air duct does not pass through the bottom of the radiator 2, the probability that oil smoke and water vapor adhere to the sensitive parts of a power tube through the gap is reduced, meanwhile, the internal part and the power tube, bridge type rectifying and damp-proof elements such as an IGBT are prevented from entering into the bridge type to contact through the gap, so that the bridge type damp proof element is achieved, the bridge type damp proof function is improved, and the service life is achieved.
Preferably, the value of the spacing D is less than or equal to one third of the value of the spacing D. In this embodiment, at the through-flow groove 202 in the middle of the heat sink 2, the gap between the heat sink 2 and the circuit board main body 1 is less than or equal to one third of the thickness of the heat sink 2, and in particular, assuming that the thickness of the heat sink 2 at the through-flow groove 202 is 15mm, the gap between the heat sink 2 and the circuit board main body 1 is less than or equal to 5mm.
Preferably, the flow grooves 202 respectively located at two ends of the radiator 2 are end flow grooves 2021, and the two sets of abutting portions 203 are respectively located at the bottoms of the end flow grooves 2021.
Preferably, the fastener 3 includes a first fastener 301 located in the end-passing through groove 2021 and a second fastener 302 located in the passing through groove 202, the first fastener 301 being disposed sequentially through the circuit board body 1 and the heat sink 2 and passing out of the bottom surface of the end-passing through groove 2021, and the second fastener 302 being disposed sequentially through the circuit board body 1 and the heat sink 2 and passing out of the bottom surface of the groove 202. In this embodiment, the first fastening member 301 and the second fastening member 302 are both in the form of screws (or studs), which has the advantages of convenient and quick installation and disassembly process and high maintenance efficiency.
Preferably, the number of the groups of the first fastening pieces 301 is set into a plurality of groups, and the plurality of groups of the first fastening pieces 301 are respectively arranged in the two groups of end through-flow grooves 2021; the number of the second fastening members 302 is set into a plurality of groups, and the plurality of groups of second fastening members 302 are respectively disposed in three groups of mutually spaced through-flow grooves 202. In the present embodiment, the number of the first fastening members 301 is two, and the two first fastening members 301 are respectively disposed in the two sets of the end through-flow grooves 2021, i.e. a set of the first fastening members 301 are disposed in one set of the end through-flow grooves 2021; the number of the second fastening members 302 is three, and the three second fastening members 302 are respectively disposed in three sets of mutually spaced through-flow grooves 202, i.e. one set of through-flow grooves 202 is provided with one set of second fastening members 302. In other embodiments, the number of sets of the first fasteners 301 and the second fasteners 302 may also be set to two to eight sets or the like, not limited to the present embodiment.
In practical application, in the mounting structure of the veneer radiator, three groups of hollowed holes are formed in the circuit board main body 1 serving as a mounting base for mounting the IGBT power tube chips and the bridge rectifier circuit chips, and the IGBT power tube chips and the bridge rectifier circuit chips are embedded in the hollowed holes, so that the IGBT power tube chips and the bridge rectifier circuit chips cannot protrude out of the top surface of the circuit board main body 1, and when the radiator 2 is mounted, the second fasteners 302 respectively penetrate through the IGBT power tube chips or the bridge rectifier circuit chips and penetrate through the bottom surfaces of the launders 202, so that the IGBT power tube chips and the bridge rectifier circuit chips are close to the radiator 2, and the radiating effect is good; pins of the IGBT power tube chip and the bridge rectifier circuit chip can be directly welded with the circuit board on the bottom surface of the circuit board main body 1, so that the installation process is simplified.
The above description is merely a preferred embodiment of the present utility model, and the scope of the present utility model is not limited to the above examples. Modifications and variations which would be obvious to those skilled in the art without departing from the spirit of the utility model are also considered to be within the scope of the utility model.
Claims (5)
1. The utility model provides a flitch radiator mounting structure, its characterized in that, including circuit board main part (1), radiator (2) and be used for with radiator (2) fixed set up in fastener (3) on circuit board main part (1), be equipped with a plurality of groups fin (201) on radiator (2), arbitrary adjacent two sets of enclose between fin (201) and close and be formed with launder (202), radiator (2) both ends bottom be equipped with respectively be used for with butt portion (203) of laminating of circuit board main part (1), two sets of enclose between butt portion (203) and be formed with fretwork portion (204), the interval D between launder (202) bottom surface with fretwork portion (204) top surface is greater than fretwork portion (204) top surface with interval D between circuit board main part (1).
2. The board radiator mounting structure according to claim 1, wherein the value of the spacing D is equal to or less than one third of the value of the spacing D.
3. The board radiator mounting structure according to claim 2, wherein the flow-through grooves (202) respectively located at both ends of the radiator (2) are end flow-through grooves (2021), and the two sets of abutting portions (203) are respectively located at bottoms of the end flow-through grooves (2021).
4. A board radiator mounting structure according to claim 3, wherein the fastener (3) includes a first fastener (301) located in the end-passing groove (2021) and a second fastener (302) located in the passing groove (202), the first fastener (301) being disposed through the circuit board main body (1) and the radiator (2) in order and passing out of the bottom surface of the end-passing groove (2021), the second fastener (302) being disposed through the circuit board main body (1) and the radiator (2) in order and passing out of the bottom surface of the passing groove (202).
5. The board radiator mounting structure according to claim 4, wherein the number of the groups of the first fasteners (301) is several, and the several groups of the first fasteners (301) are respectively disposed in two groups of the end-through grooves (2021);
the number of the second fastening pieces (302) is a plurality of groups, and the second fastening pieces (302) of the plurality of groups are respectively arranged in three groups of mutually-spaced overflow grooves (202).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321373143.8U CN220038552U (en) | 2023-06-01 | 2023-06-01 | Mounting structure of flitch radiator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321373143.8U CN220038552U (en) | 2023-06-01 | 2023-06-01 | Mounting structure of flitch radiator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220038552U true CN220038552U (en) | 2023-11-17 |
Family
ID=88735334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321373143.8U Active CN220038552U (en) | 2023-06-01 | 2023-06-01 | Mounting structure of flitch radiator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220038552U (en) |
-
2023
- 2023-06-01 CN CN202321373143.8U patent/CN220038552U/en active Active
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