CN219958664U - Flat ultra-thin gold aluminum shell resistor - Google Patents
Flat ultra-thin gold aluminum shell resistor Download PDFInfo
- Publication number
- CN219958664U CN219958664U CN202321177286.1U CN202321177286U CN219958664U CN 219958664 U CN219958664 U CN 219958664U CN 202321177286 U CN202321177286 U CN 202321177286U CN 219958664 U CN219958664 U CN 219958664U
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- China
- Prior art keywords
- resistor
- aluminum shell
- thin gold
- winding
- heat dissipation
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- -1 gold aluminum Chemical compound 0.000 title claims abstract description 43
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 36
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 36
- 230000017525 heat dissipation Effects 0.000 claims abstract description 36
- 238000004804 winding Methods 0.000 claims abstract description 36
- 229910052751 metal Inorganic materials 0.000 claims abstract description 33
- 239000002184 metal Substances 0.000 claims abstract description 33
- 239000011248 coating agent Substances 0.000 claims abstract description 16
- 238000000576 coating method Methods 0.000 claims abstract description 16
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 239000006004 Quartz sand Substances 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 229910052573 porcelain Inorganic materials 0.000 claims description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229910021389 graphene Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 239000004945 silicone rubber Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- WABPQHHGFIMREM-VENIDDJXSA-N lead-201 Chemical compound [201Pb] WABPQHHGFIMREM-VENIDDJXSA-N 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000009413 insulation 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
- 239000003973 paint Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a flat ultrathin gold aluminum shell resistor which comprises an aluminum shell body, two winding resistor bodies, metal pins, a silicon rubber plug and a wiring terminal, wherein the two winding resistor bodies are arranged in a containing cavity, the metal pins are connected with the end parts of the winding resistor bodies, a wire penetrating groove for the metal pins to penetrate from inside to outside is formed in the silicon rubber plug, and the wiring terminal is sleeved at the end parts of the metal pins and is used for positioning and mounting with a circuit board. According to the utility model, the groove structures are respectively arranged on the top surface and the bottom surface of the aluminum shell body, and the heat dissipation coating is arranged on the surface of the groove part of the groove structure, so that the heat dissipation efficiency of the gold aluminum shell resistor can be improved, and the influence on the service life of the resistor due to overhigh temperature is avoided; the tip of metal pin is equipped with binding post, and annular portion on the binding post can establish the connection through having a flexible belt with the wire on the circuit board, realizes the location installation from this, has improved gold aluminum shell resistance's installation effectiveness.
Description
Technical Field
The utility model relates to the field of resistors, in particular to a flat ultrathin gold aluminum shell resistor.
Background
The gold aluminum shell resistor is generally called as gold aluminum shell resistor because the surface of the gold aluminum shell resistor is usually coated with yellow heat-resistant paint and has higher stability and low temperature coefficient.
In the prior art, the gold aluminum shell resistor is generally in a columnar structure, the volume is larger, and the positioning and the assembly of the gold aluminum shell resistor become more difficult due to the fact that the electronic product approaches to the development trend of smaller and smaller volume; in addition, the existing gold aluminum shell resistor is generally provided with heat dissipation fins on the outer surface thereof to improve the heat dissipation performance, but if the resistor is applied to a high-power component, the heat dissipation effect is still not ideal enough, and the resistor temperature is easy to be high, so that the service life of the gold aluminum shell resistor is influenced.
Accordingly, the prior art has drawbacks and needs improvement.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the flat ultrathin gold aluminum shell resistor is easy to position and assemble and high in heat dissipation efficiency.
The technical scheme of the utility model is as follows: a flat ultrathin gold aluminum shell resistor,
the aluminum shell comprises an aluminum shell body, wherein an accommodating cavity is formed in the aluminum shell body, and the thickness of the aluminum shell body is 6-14 mm;
the two winding resistor bodies are arranged in the accommodating cavity, and one ends of the two winding resistor bodies are connected through leads respectively;
the metal pin is connected with the other end of the winding resistor body;
the two sides of the end part of the aluminum shell body are respectively provided with a slot, and the silicon rubber plugs are arranged in the slots for sealing;
the silicone rubber plug is provided with a wire penetrating groove for the metal pins to penetrate from inside to outside; and
the wiring terminal is sleeved at the end part of the metal pin and used for positioning and mounting with the circuit board;
the top surface and the bottom surface of the aluminum shell body are respectively provided with a groove structure for increasing the heat dissipation area;
the groove structure comprises a protruding portion and a groove portion, and a heat dissipation coating for increasing heat dissipation efficiency is arranged on the surface of the groove portion.
By adopting the technical scheme, in flat ultra-thin gold aluminum shell resistance, binding post includes:
the sleeving part is connected with the end part of the metal pin in a sleeving way; and
the annular part is internally provided with an annular groove for externally connecting wires in a winding way.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, the sleeved part and the annular part are of a metal integrated structure.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, the heat dissipation coating is a graphene coating.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, the left side wall and the right side wall of the aluminum shell body are respectively provided with the locating grooves for limiting and clamping inwards.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, the distance between the two winding resistor bodies is at least greater than 4mm.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, the metal pins are made of tinned copper or tinned steel.
By adopting the technical schemes, the flat ultrathin gold aluminum shell resistor further comprises a fixed porcelain, and the metal pins and the wires are connected with the winding resistor body through the fixed porcelain.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, quartz sand is filled in the gap between the winding resistor body and the inner wall of the aluminum shell body.
By adopting the technical schemes, in the flat ultrathin gold aluminum shell resistor, the wall thickness of the aluminum shell body is 1-2 mm.
Compared with the prior art, the heat dissipation structure is respectively arranged on the top surface and the bottom surface of the aluminum shell body, and the heat dissipation coating is arranged on the surface of the groove part of the groove structure, so that the heat dissipation efficiency of the gold aluminum shell resistor can be improved, and the influence on the service life of the resistor due to overhigh temperature is avoided; meanwhile, quartz sand is filled in a gap between the winding resistor body and the inner wall of the aluminum shell body, and compared with air, the quartz sand has higher heat conductivity and thermal diffusivity, and can effectively transfer heat generated in the winding resistor body to the aluminum shell body for heat dissipation, so that the heat dissipation effect is improved; the end part of the metal pin is provided with a wiring terminal, and the annular part on the wiring terminal can be connected with a wire on the circuit board through winding, so that positioning and installation are realized, and the installation efficiency of the gold aluminum shell resistor is improved; the integrated structure is simple, and has the beneficial effects of high heat dissipation efficiency, easy positioning and installation and the like.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only embodiments of the present utility model, and other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
fig. 2 is a schematic diagram of an explosive structure according to the present utility model.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some of the embodiments of the present application, but not all of the embodiments. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present patent application. Accordingly, the following detailed description of the embodiments of the present patent application, as provided in the accompanying drawings, is not intended to limit the scope of the claimed patent application, but is merely representative of selected embodiments of the present patent application. All other embodiments, based on the embodiments herein, which would be apparent to one of ordinary skill in the art without undue burden are within the scope of the present patent application.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "inside", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in FIGS. 1 and 2, the present embodiment provides a flat ultra-thin gold aluminum shell resistor comprising
The aluminum shell body 10 is internally provided with a containing cavity, and the thickness of the aluminum shell body 10 is 6-14 mm. In this embodiment, the thickness of the aluminum housing body 10 is 10mm, and the thickness is thinner, so as to be suitable for being mounted on small electronic products.
And two winding resistor bodies 20 which are arranged in the accommodating chamber, wherein one ends of the two winding resistor bodies 20 are respectively connected through a wire 201. The two winding resistors 20 are connected in series through the lead 201 to increase the total resistance of the gold aluminum shell resistor and meet the purpose of voltage or current required by the circuit.
And a metal pin 30, wherein the metal pin 30 is connected with the other end of the winding resistor body 20. The metal pins 30 may be soldered to the circuit board for use.
The two sides of the end part of the aluminum shell body 10 are respectively provided with a groove 101, and the silicon rubber plug 40 is arranged in the groove 101 for sealing. The arrangement of the silicon rubber plug 40 not only can provide insulation and protection effects for the gold aluminum shell resistor, but also can realize water resistance, dust resistance and shock resistance, and effectively improves the application range and stability of the resistor.
The silicon rubber plug 40 is provided with a threading groove 401 for the metal pin 30 to penetrate from inside to outside; a kind of electronic device with high-pressure air-conditioning system
The wiring terminal 50 is sleeved at the end part of the metal pin 30 and is used for positioning and mounting with a circuit board. In this embodiment, the connection terminal 50 includes a sleeve portion 501 and an annular portion 502, the sleeve portion 501 is connected with the end portion of the metal pin 30 in a sleeve manner, and an annular groove for winding and connecting the external connection wire 201 is provided in the annular portion 502. The annular part 502 on the binding post 50 can be connected with the lead 201 on the circuit board through coiling, so that positioning and installation are realized, the installation efficiency and the connection stability of the gold aluminum shell resistor are improved, meanwhile, the circuit wiring is simpler, and the future maintenance is convenient.
The top surface and the bottom surface of the aluminum shell body 10 are respectively provided with a groove structure 102 for increasing the heat dissipation area; the groove structure 102 comprises a protruding portion 103 and a groove portion 104, and a heat dissipation coating 105 for increasing heat dissipation efficiency is arranged on the surface of the groove portion 104. The arrangement of the groove structure 102 and the heat dissipation coating 105 can increase the heat dissipation efficiency of the aluminum housing body 10, so that the heat dissipation coating 105 is coated on the groove part 104 instead of the protruding part 103 independently, thereby avoiding the failure of the heat dissipation coating 105 caused by the contact of the protruding part 103 with an object and reducing the waste of resources.
Furthermore, the sleeving part 501 and the annular part 502 are of a metal integrated structure, so that the annular part 502 can meet the requirement of connection and installation of the lead 201 and can be subjected to soldering connection and installation.
Further, the heat dissipation coating 105 is a graphene coating. Compared with an aluminum plate, the graphene coating has higher thermal conductivity, so that heat is transferred and emitted more rapidly.
Further, the left and right side walls of the aluminum housing body 10 are respectively provided with a positioning groove 106 for limiting and clamping inwards. The positioning groove 106 can be connected with a positioning column on the circuit board in an adaptive clamping manner, so that the assembly stability of the gold aluminum shell resistor is improved.
Further, the interval between the two winding resistor bodies 20 is at least greater than 4mm. The interval between the winding resistors 20 is set to be greater than 4mm, so that the increase of temperature rise caused by the mutual transfer of heat generated between the two winding resistors 20 can be avoided.
Further, the metal pins 30 are made of tin-plated copper or tin-plated steel. In this embodiment, the metal pins 30 are made of tin-plated copper.
Further, the resistor further comprises a fixing porcelain 60, and the metal pins 30 and the wires 201 are respectively connected with the winding resistor 20 through the fixing porcelain 60. The thermal conductivity of the fixed porcelain 60 is poor, so that the heat generated by the winding resistor 20 is prevented from being conducted to the metal pins 30 or the wires 201, and the service life of the metal pins 30 or the wires 201 is shortened in a high-temperature environment.
Further, a gap between the winding resistor 20 and the inner wall of the aluminum case body 10 is filled with quartz sand (not shown). Compared with air, the quartz sand has higher thermal conductivity and thermal diffusivity, and can effectively transfer heat generated in the winding resistor body 20 to the aluminum shell body 10 for heat dissipation, so that the heat dissipation effect is improved.
Further, the wall thickness of the aluminum housing body 10 is 1-2 mm. In this embodiment, the wall thickness of the aluminum case body 10 is 2mm.
Compared with the prior art, the heat dissipation structure is respectively arranged on the top surface and the bottom surface of the aluminum shell body, and the heat dissipation coating is arranged on the surface of the groove part of the groove structure, so that the heat dissipation efficiency of the gold aluminum shell resistor can be improved, and the influence on the service life of the resistor due to overhigh temperature is avoided; meanwhile, quartz sand is filled in a gap between the winding resistor body and the inner wall of the aluminum shell body, and compared with air, the quartz sand has higher heat conductivity and thermal diffusivity, and can effectively transfer heat generated in the winding resistor body to the aluminum shell body for heat dissipation, so that the heat dissipation effect is improved; the end part of the metal pin is provided with a wiring terminal, and the annular part on the wiring terminal can be connected with a wire on the circuit board through winding, so that positioning and installation are realized, and the installation efficiency of the gold aluminum shell resistor is improved; the integrated structure is simple, and has the beneficial effects of high heat dissipation efficiency, easy positioning and installation and the like.
The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. A flat ultra-thin gold aluminum shell resistor is characterized in that: comprising
The aluminum shell body is internally provided with an accommodating cavity, and the thickness of the aluminum shell body is 6-14 mm;
the two winding resistor bodies are arranged in the accommodating cavity, and one ends of the two winding resistor bodies are connected through leads respectively;
the metal pin is connected with the other end of the winding resistor body;
the two sides of the end part of the aluminum shell body are respectively provided with a slot, and the silicon rubber plugs are arranged in the slots for sealing;
the silicone rubber plug is provided with a wire penetrating groove for the metal pins to penetrate from inside to outside; and
the wiring terminal is sleeved at the end part of the metal pin and used for positioning and mounting with the circuit board;
the top surface and the bottom surface of the aluminum shell body are respectively provided with a groove structure for increasing the heat dissipation area;
the groove structure comprises a protruding portion and a groove portion, and a heat dissipation coating for increasing heat dissipation efficiency is arranged on the surface of the groove portion.
2. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: the connection terminal includes:
the sleeving part is connected with the end part of the metal pin in a sleeving way; and
the annular part is internally provided with an annular groove for externally connecting wires in a winding way.
3. The flat ultra-thin gold aluminum sheath resistor of claim 2, wherein: the sleeving part and the annular part are of a metal integrated structure.
4. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: the heat dissipation coating is a graphene coating.
5. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: the left and right side walls of the aluminum shell body are respectively provided with a positioning groove for limiting and clamping inwards.
6. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: the distance between the two winding resistor bodies is at least greater than 4mm.
7. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: the metal pins are made of tinned copper or tinned steel.
8. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: the wire winding resistor further comprises a fixed porcelain, and the metal pins and the wires are connected with the wire winding resistor body through the fixed porcelain respectively.
9. The flat ultra-thin gold aluminum sheath resistor of claim 1, wherein: and quartz sand is filled in a gap between the winding resistor body and the inner wall of the aluminum shell body.
10. A flat ultra-thin gold aluminum sheath resistor according to any one of claims 1 to 9, characterized in that: the wall thickness of the aluminum shell body is 1-2 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321177286.1U CN219958664U (en) | 2023-05-16 | 2023-05-16 | Flat ultra-thin gold aluminum shell resistor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321177286.1U CN219958664U (en) | 2023-05-16 | 2023-05-16 | Flat ultra-thin gold aluminum shell resistor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219958664U true CN219958664U (en) | 2023-11-03 |
Family
ID=88549813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321177286.1U Active CN219958664U (en) | 2023-05-16 | 2023-05-16 | Flat ultra-thin gold aluminum shell resistor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219958664U (en) |
-
2023
- 2023-05-16 CN CN202321177286.1U patent/CN219958664U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |