CN209930381U - Air-cooled radiating uncooled infrared core - Google Patents
Air-cooled radiating uncooled infrared core Download PDFInfo
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- CN209930381U CN209930381U CN201920848232.0U CN201920848232U CN209930381U CN 209930381 U CN209930381 U CN 209930381U CN 201920848232 U CN201920848232 U CN 201920848232U CN 209930381 U CN209930381 U CN 209930381U
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Abstract
The utility model belongs to the technical field of non-refrigeration infrared imaging, in particular to a non-refrigeration infrared core with air cooling and heat dissipation, which comprises an infrared lens component, a non-refrigeration detector, a detector bracket, a middle frame and a circuit board component, wherein the infrared lens component is fixed on the detector bracket, and the non-refrigeration detector is fixed in the detector bracket; the circuit board assembly is fixed at one end of the detector bracket, which is far away from the infrared lens assembly, through the middle frame; and an air inlet hole and an air outlet hole are respectively arranged on two opposite side walls of the middle frame, and a cooling fan is arranged in the air outlet holes. The utility model provides a radiating uncooled infrared core of forced air cooling is through setting up the center between uncooled detector and circuit board assembly to set up radiator fan on the center and in time dispel the heat to the air more fast with the heat, reach radiating purpose, improved the imaging quality of infrared core, prolong the life of infrared core.
Description
Technical Field
The utility model belongs to the technical field of non-refrigeration type infrared imaging, concretely relates to infrared core of forced air cooling radiating non-refrigeration.
Background
The non-refrigeration infrared movement has limited space, the circuit board has smaller size, the components tend to be miniaturized and highly integrated, and the heat density is obviously increased. At present, the heat dissipation path of the high-heating-power component is mainly to dissipate heat to the ambient air through the surface of the component, or to dissipate heat through a heat sink, or to dissipate heat by combining a heat conduction material and a heat sink, and finally, the heat is dissipated to the ambient air through the heat sink, so that the heat cannot be dissipated quickly and effectively; the infrared detector is a core device of the machine core, the temperature is a main factor influencing the performance of the detector, the stability of the detector is easily reduced due to overhigh temperature, the service life of the detector is even influenced, and the reliable work of the detector cannot be ensured. Therefore, it is necessary to design a new uncooled infrared engine core capable of rapidly dissipating heat, and to ensure the stability and reliability of the uncooled detector and the circuit.
Disclosure of Invention
In order to overcome the deficiencies in the prior art, the utility model aims at providing a radiating uncooled infrared core of forced air cooling can realize the heat dissipation rapidly, improves the imaging quality of infrared core, prolongs the life of infrared core.
In order to achieve the purpose, the technical scheme of the utility model is that the uncooled infrared movement with air cooling and heat dissipation comprises an infrared lens component, an uncooled detector, a detector bracket, a middle frame and a circuit board component, wherein the infrared lens component is fixed on the detector bracket, and the uncooled detector is fixed in the detector bracket; the circuit board assembly is fixed at one end of the detector support, which is far away from the infrared lens assembly, through a middle frame; and an air inlet hole and an air outlet hole are respectively formed in two opposite side walls of the middle frame, and a cooling fan is arranged in the air outlet holes.
Furthermore, each air inlet is internally provided with a cooling fan, and the frame of the cooling fan is fixed on the outer wall of the middle frame.
Furthermore, a groove with an outward opening is formed in the side wall, provided with the air inlet hole, of the middle frame, and the frame of the cooling fan is fixed in the groove.
Furthermore, a protective cover is arranged on the outer side of the heat radiation fan and fixed on the middle frame through a third fastening screw.
Furthermore, a plurality of cooling fans are arranged, and air inlets are formed in the positions, corresponding to the cooling fans, of the protective cover.
Further, the heat dissipation fan is a micro axial flow fan.
Further, the detector support is the support that adopts the heat conduction aluminum product preparation, just the detector support deviates from fixedly the one end of infrared camera lens subassembly is equipped with the fin, the fin is located the fresh air inlet with between the exhaust vent.
Furthermore, the middle frame is a rectangular hollow frame body made of ABS materials.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model provides an air-cooled radiating uncooled infrared core is through setting up the center between uncooled detector and circuit board assembly, and set up radiator fan on the center and in time dispel the heat to the air more fast, reach the radiating purpose, improved the imaging quality of infrared core, lengthen the life of infrared core;
(2) the utility model provides an air-cooled radiating uncooled infrared movement with simple structure, convenient disassembly of a radiating fan and strong practicability;
(3) the utility model provides a detector support of infrared core of non-refrigeration adopts heat conduction aluminum product to make, does benefit to and exports the heat of non-refrigeration detector to set up the fin and stretch into to the centre between the fresh air inlet and the exhaust vent of center, cold air gets into the center from the fresh air inlet of center, and the convection heat exchange with the fin surface forms hot-blast, and hot-blast passes through radiator fan and transmits to the exhaust vent, and then dispels the heat to the air more fast;
(4) the middle frame of the uncooled infrared movement provided by the utility model is made of ABS material, which is beneficial to separating the circuit board assembly at the rear end from the uncooled detector part at the front end;
(5) the utility model provides an infrared core of uncooled adds the protection casing in radiator fan's the outside, and radiator fan can not leak outward and influence pleasing to the eye, and can avoid the hand touch to bump the fan, reinforcing factor of safety.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of an uncooled infrared movement with air cooling and heat dissipation provided by an embodiment of the present invention;
fig. 2 is a schematic structural view of a middle frame of an uncooled infrared movement with air cooling and heat dissipation according to an embodiment of the present invention;
fig. 3 is a schematic structural view of an uncooled infrared movement with air cooling and heat dissipation provided by an embodiment of the present invention;
in the figure: 1. the infrared lens assembly comprises an infrared lens assembly 11, a first fastening screw, a non-refrigeration detector 2, a second fastening screw, a detector support 3, a middle frame 4, a middle frame 41, a cooling fan 42, a protective cover 43, a third fastening screw 44, an air inlet hole 45, an air outlet hole 5, a circuit board assembly 51 and a fourth fastening screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature; in the description of the present invention, "plurality" means two or more and "several" means one or more unless otherwise specified.
As shown in fig. 1-3, the present embodiment provides an air-cooled heat dissipation uncooled infrared movement, including an infrared lens assembly 1, an uncooled detector 2, a detector bracket 3, a middle frame 4, and a circuit board assembly 5, where the infrared lens assembly 1 is fixed on the detector bracket 3, and the uncooled detector 2 is fixed in the detector bracket 3; the circuit board assembly 5 is fixed at one end of the detector support 3, which is far away from the infrared lens assembly 1, through a middle frame 4; two opposite side walls of the middle frame 4 are respectively provided with an air inlet hole 44 and an air outlet hole 45, and a heat radiation fan 41 is arranged in the air inlet hole 44 or the air outlet hole 45. The uncooled infrared core of forced air cooling radiating that this embodiment provided is through setting up center 4 between uncooled detector 2 and circuit board assembly 5 to set up radiator fan 41 on center 4 in time with the heat more fast heat dissipation to the air, reach radiating purpose, solved the heat dissipation problem of current uncooled infrared core of type, improved the imaging quality of infrared core, prolong the life of infrared core.
A threaded hole for mounting the infrared lens assembly 1 is formed in the front side of the detector support 3 in the embodiment, and the infrared lens assembly 1 is screwed into the corresponding threaded hole through a first fastening screw 11 to lock the infrared lens assembly 1 on the detector support 3; the inner side of the detector support 3 is provided with a threaded hole for mounting the non-refrigeration detector 2, the bottom of the non-refrigeration detector 2 is connected with the detector support 3, and the non-refrigeration detector 2 is locked on the detector support 3 by screwing a second fastening screw 21 into the corresponding threaded hole; the detector support 3 is also provided with a threaded hole for mounting the circuit board assembly 5, and the circuit board assembly 5 is locked on the detector support 3 by screwing a fourth fastening screw 51 into the corresponding threaded hole.
As an implementation manner, a heat dissipation fan 41 is installed in each air inlet hole 44, a frame of the heat dissipation fan 41 is fixed on the outer wall of the middle frame 4, and a fan blade of the heat dissipation fan 41 faces the air inlet hole 44, so that air is sucked into the middle frame 4, and the air is dissipated from the air outlet hole 45 after the heat in the middle frame 4 is taken away. As another implementation, a heat dissipation fan may be installed in the air outlet 45 to suck the hot air in the middle frame 4 out of the middle frame 4, so as to discharge the heat in time.
Further, a groove with an outward opening is formed in the side wall of the middle frame 4 provided with the air inlet hole 44, the frame of the heat dissipation fan 41 is fixed in the groove, and as shown in fig. 1 and 3, the third fastening screw 43 sequentially penetrates through the mounting hole in the protective cover 42, the mounting hole in the frame of the heat dissipation fan 41 and the mounting hole in the side wall provided with the air inlet hole 44, so as to fix the protective cover 42 and the heat dissipation fan 41 with the middle frame 4.
Further, a protective cover 42 is disposed outside the heat dissipation fan 41, and the protective cover 42 is fixed to the middle frame 4 by a third fastening screw 43. This embodiment is through addding protection casing 42 in radiator fan 41's the outside, thereby the fan can not leak outward and influence pleasing to the eye like this, and can avoid the hand touch to bump the fan, reinforcing factor of safety. As shown in fig. 1 and 3, a step for positioning the protective cover 42 is provided in the groove, the protective cover 42 is caught on the step, and then the protective cover 42 is fixed by passing through the protective cover 42, the rim of the heat dissipation fan 41, and the outer wall of the middle frame 4 in sequence through the third fastening screw 43.
Furthermore, a plurality of cooling fans 41 are provided, and air inlets are provided on the protective cover 42 corresponding to the positions of the cooling fans 41.
Furthermore, the cooling fan 41 is a micro axial fan, the size of which can reach 17mm 4mm, even smaller, the air is fed in the axial direction and is directly discharged along the axial direction, and the air inlet hole 44 and the air outlet hole 45 are arranged on the same axial parallel line, so that the installation is simple, and the disassembly and the replacement are convenient.
Furthermore, the detector support 3 is made of a heat-conducting aluminum material, so that heat of the non-refrigeration detector 2 can be conducted out conveniently, and a fin is arranged at one end of the detector support 3, which is far away from and fixed with the infrared lens assembly 1, and is positioned between the air inlet hole 44 and the air outlet hole 45; cold air enters the middle frame 4 from the air inlet hole 44 of the middle frame 4, forms hot air through convection heat exchange with the surface of the fins on the detector support 3, then is transmitted to the air outlet hole 45 through the heat radiation fan 41, and further radiates heat to the air more quickly, so that the purpose of heat radiation is achieved, the imaging quality of the infrared machine core is improved, and the service life of the infrared machine core is prolonged.
Furthermore, the middle frame 4 is a rectangular hollow frame body made of ABS material, which is beneficial to separating the circuit board assembly 5 at the rear end from part of heat of the uncooled detector 2 at the front end; as shown in fig. 1 and 2, the left side of the middle frame 4 is additionally provided with a mounting position of a heat dissipation fan 41, an air inlet 44 is formed, and the right side is additionally provided with a plurality of air outlets 45 arranged in a standard manner.
The assembly method of the air-cooled radiating uncooled infrared cassette mechanism provided by the embodiment is as follows:
firstly, fixing the uncooled detector 2 on the detector support 3 through a second fastening screw 21, and then fixing the infrared lens assembly 1 on the detector support 3 through a first fastening screw 11;
then the heat radiation fan 41 is installed, the third fastening screw 43 passes through the hole sites of the protective cover 42 and the heat radiation fan 41 and is screwed into the threaded hole of the middle frame 4, and the protective cover 42 and the heat radiation fan 41 are fixed on the middle frame 4;
finally, the fourth fastening screw 51 is screwed into the threaded hole of the detector bracket 3 through the hole position of the circuit board assembly 5 to fix the circuit board assembly 5 and the detector bracket 3.
The uncooled infrared machine core of the embodiment has the advantages of simple structure, convenience in assembly and simple process; after the infrared core of non-refrigeration type begins to work, non-refrigeration detector 2 can produce a large amount of heats this moment, non-refrigeration detector 2's bottom links to each other with detector support 3, conduct the heat to detector support 3, cold air gets into center 4 from center 4's fresh air inlet 44 simultaneously, it is hot-blast with the fin surface heat convection formation of detector support 3, then hot-blast transmission to exhaust vent 45 through radiator fan 41 that passes through, and then dispel the heat to the air more fast with the heat, reach radiating purpose, the imaging quality of infrared core has been improved, the life of extension infrared core.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides an infrared core of forced air cooling radiating uncooled which characterized in that: the infrared lens assembly is fixed on the detector bracket, and the uncooled detector is fixed in the detector bracket; the circuit board assembly is fixed at one end of the detector support, which is far away from the infrared lens assembly, through a middle frame; and an air inlet hole and an air outlet hole are respectively formed in two opposite side walls of the middle frame, and a cooling fan is arranged in the air outlet holes.
2. The uncooled infrared movement of claim 1, wherein: and each air inlet is internally provided with a cooling fan, and the frame of the cooling fan is fixed on the outer wall of the middle frame.
3. The uncooled infrared movement of claim 2, wherein: the side wall of the middle frame, which is provided with the air inlet hole, is provided with a groove with an outward opening, and the frame of the cooling fan is fixed in the groove.
4. An air-cooled heat-dissipating uncooled infrared movement as recited in claim 1 or 3, wherein: and a protective cover is arranged on the outer side of the heat radiation fan and fixed on the middle frame through a third fastening screw.
5. The uncooled infrared movement of claim 4, wherein: the cooling fan is provided with a plurality of cooling fans, and air inlets are formed in the positions, corresponding to the cooling fans, of the protective cover.
6. The uncooled infrared movement of claim 1, wherein: the heat radiation fan is a micro axial flow fan.
7. The uncooled infrared movement of claim 1, wherein: the detector support is the support that adopts the heat conduction aluminum product preparation, just the detector support deviates from fixedly the one end of infrared camera lens subassembly is equipped with the fin, the fin is located the fresh air inlet with between the exhaust vent.
8. The uncooled infrared movement of claim 1, wherein: the middle frame is a rectangular hollow frame body made of ABS materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920848232.0U CN209930381U (en) | 2019-06-06 | 2019-06-06 | Air-cooled radiating uncooled infrared core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920848232.0U CN209930381U (en) | 2019-06-06 | 2019-06-06 | Air-cooled radiating uncooled infrared core |
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| Publication Number | Publication Date |
|---|---|
| CN209930381U true CN209930381U (en) | 2020-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920848232.0U Active CN209930381U (en) | 2019-06-06 | 2019-06-06 | Air-cooled radiating uncooled infrared core |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112015030A (en) * | 2020-08-28 | 2020-12-01 | 天津津航技术物理研究所 | Refrigeration infrared core assembly heat radiation structure and refrigeration infrared core |
| CN112665733A (en) * | 2020-12-31 | 2021-04-16 | 东莞市鑫泰仪器仪表有限公司 | Infrared imaging device |
-
2019
- 2019-06-06 CN CN201920848232.0U patent/CN209930381U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112015030A (en) * | 2020-08-28 | 2020-12-01 | 天津津航技术物理研究所 | Refrigeration infrared core assembly heat radiation structure and refrigeration infrared core |
| CN112015030B (en) * | 2020-08-28 | 2022-06-14 | 天津津航技术物理研究所 | Refrigeration infrared core assembly heat radiation structure and refrigeration infrared core |
| CN112665733A (en) * | 2020-12-31 | 2021-04-16 | 东莞市鑫泰仪器仪表有限公司 | Infrared imaging device |
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