CN213960635U - Heat radiation structure of oral cavity impression instrument - Google Patents
Heat radiation structure of oral cavity impression instrument Download PDFInfo
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- CN213960635U CN213960635U CN202120161954.6U CN202120161954U CN213960635U CN 213960635 U CN213960635 U CN 213960635U CN 202120161954 U CN202120161954 U CN 202120161954U CN 213960635 U CN213960635 U CN 213960635U
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Abstract
The utility model provides a heat radiation structure of an oral cavity impression instrument, which comprises a shell, and a heat radiation fan and a metal separation net which are arranged in the shell. The shell is provided with an air inlet corresponding to the position of the cooling fan, the metal isolation net is provided with meshes corresponding to the position of the air inlet, the metal isolation net is staggered with the position of the air inlet and provided with vent holes, the metal isolation net and the air inlet are arranged at intervals, and the cooling fan is positioned on one side of the metal isolation net, which is far away from the air inlet. By the embodiment, the vent holes are hidden in the shell and are not shown, so that the oral cavity impression instrument meets the standard regulation of IEC60601-1 medical electrical equipment. And the air current that gets into from the air intake, partly gets into the casing through the mesh, and other accessible vents that are blockked by the metal separation net get into in the casing to this realization increases the cold air that gets into in the casing, improves the radiating effect of oral cavity die appearance, realizes that oral cavity die appearance can directly adopt little radiator fan can satisfy the heat dissipation demand, reduces oral cavity die appearance's volume and weight.
Description
[ technical field ] A method for producing a semiconductor device
The utility model belongs to the technical field of the technique of oral cavity die appearance and specifically relates to a heat radiation structure of oral cavity die appearance is related to.
[ background of the invention ]
As is known, oral cavity die appearance generally includes the casing and is located the camera unit in the casing, the reflector, luminescence unit and heat radiation structure, wherein, when using oral cavity die appearance, shine on the tooth through luminescence unit is luminous, the transmission light of tooth gets into camera unit through the reflector, camera unit gathers the imaging data of tooth with this and sends for the die appearance host computer with oral cavity die appearance cooperation practicality, with this collection of realizing the formation of image to the tooth, heat radiation structure starts the heat dissipation for oral cavity die appearance simultaneously, prevent to have fog on the reflector and keep inner structure stable work.
Among them, since IEC60601-1 medical electrical equipment-the first part: the safety general requirements and the standards of the basic guidelines stipulate, then the metal separation net must be installed at the opening of the air inlet channel of the cooling fan in the oral cavity digital impression instrument shell, because the metal separation net is tightly attached to the shell, the air which actually enters the oral cavity impression instrument through the cooling fan is blocked by the metal separation net, only a small part of the air can enter through the meshes, and further the heat dissipation is poor. Furthermore, in order to ensure that the cooling gas entering the oral cavity digital impression apparatus can sufficiently dissipate heat of internal parts of the oral cavity digital impression apparatus, only the heat dissipation fan or an opening of the shell for the air inlet channel of the heat dissipation fan is enlarged. However, this method can increase the overall size and weight of the oral digital impression apparatus, while ensuring good heat dissipation inside the oral digital impression apparatus. The oral digital impression instrument is used as a medical instrument for intraoral three-dimensional scanning, the external dimension of the oral digital impression instrument cannot be large, and the weight of the oral digital impression instrument is ensured to be light enough. Because of the too big gripping when can influencing medical personnel to use of overall dimension, weight can lead to medical personnel's live time to have lasted the arm for a long time and can be tired very much, and these two kinds of circumstances have all influenced oral digital impression appearance's use greatly and have experienced.
Accordingly, the prior art is in need of improvement and development.
[ Utility model ] content
An object of the utility model is to provide a heat radiation structure of oral cavity die appearance for solve current oral cavity digital die appearance and cause bulky and heavy problem of weight because of heat radiation structure is bulky.
The technical scheme of the utility model as follows: a heat dissipating structure of an oral impression apparatus, comprising: the heat dissipation fan and the metal isolation net are arranged in the shell;
the shell is provided with an air inlet corresponding to the position of the cooling fan, the metal isolation net is provided with meshes corresponding to the position of the air inlet, the metal isolation net is provided with vent holes staggered from the position of the air inlet, the metal isolation net and the air inlet are arranged at intervals, and the cooling fan is positioned on one side of the metal isolation net far away from the air inlet.
Furthermore, a spacer is arranged in the middle of the air inlet, a connecting part is connected between the spacer and the shell, and the spacer and the metal isolation net are arranged at intervals; the ventilation hole corresponds the position setting of spacer, the mesh is located the periphery in ventilation hole.
Furthermore, a rubber pad is arranged between the metal isolation net and the cooling fan, and an opening is formed in the position, corresponding to the air inlet hole of the cooling fan, of the rubber pad.
Further, the connecting part is arched at the side close to the metal isolation net.
Furthermore, the rubber mat is made of silica gel.
The beneficial effects of the utility model reside in that: compared with the prior art, the utility model discloses a set up metal separation net and air intake interval, can let form a wind channel between metal separation net and the air intake, seted up the mesh through the position that metal separation net corresponds the air intake, the ventilation hole has been seted up to the position of the staggered air intake of metal separation net, lets the ventilation hole hide, does not show to this can let oral cavity die appearance accord with "IEC 60601-1 medical electrical equipment-first part: safety general requirements and basic guidelines. And, stagger the mesh through the ventilation hole, when radiator fan opened, can realize the air current that gets into from the air intake, partly gets into the casing through the mesh, and other accessible ventilation holes that are blockked by the metal separation net get into in the casing, reduce the directness of metal separation net and block to this realization increases the cold air that gets into in the casing, improves the radiating effect of oral cavity die appearance, realizes that oral cavity die appearance can directly adopt little radiator fan can satisfy the heat dissipation demand, reduces oral cavity die appearance's volume and weight.
[ description of the drawings ]
Fig. 1 is a perspective view of the oral cavity impression apparatus of the present invention.
Fig. 2 is an exploded view of the present invention.
Fig. 3 is a top view of the oral cavity impression apparatus of the present invention.
Figure 4 is a partial cross-sectional view of the oral impression apparatus of figure 3 taken along the direction a-a.
Fig. 5 is a front view of the oral cavity impression apparatus of the present invention.
Figure 6 is a partial cross-sectional view of the oral impression apparatus of figure 5 taken along the direction B-B.
[ detailed description ] embodiments
The present invention will be further described with reference to the accompanying drawings and embodiments.
Referring to fig. 1-6, a heat dissipation structure of an oral cavity impression apparatus according to an embodiment of the present invention is shown.
The heat dissipation structure of the oral cavity impression apparatus comprises a shell 10, a heat dissipation fan 40 and a metal isolation net 20. Wherein the housing 10 is a housing 10 of the oral cavity impression apparatus, and the heat radiation fan 40 and the metal separation net 20 are arranged in the housing 10. The shell 10 is provided with an air inlet 11 at a position corresponding to the heat dissipation fan 40, the metal isolation net 20 is provided with a mesh 21 at a position corresponding to the air inlet 11, the metal isolation net 20 is provided with a vent 22 at a position staggered from the air inlet 11, the metal isolation net 20 and the air inlet 11 are arranged at intervals, and the heat dissipation fan 40 is located at one side of the metal isolation net 20 far away from the air inlet 11.
The metal isolation net 20 and the air inlet 11 are arranged at intervals, an air duct can be formed between the metal isolation net 20 and the air inlet 11, the metal isolation net 20 is provided with meshes 21 corresponding to the position of the air inlet 11, the metal isolation net 20 is staggered with the position of the air inlet 11 and provided with vent holes 22, and the vent holes 22 are hidden and not displayed, so that the oral cavity impression instrument can conform to the IEC60601-1 medical electrical equipment-the first part: safety general requirements and basic guidelines. And, stagger mesh 21 through ventilation hole 22, when radiator fan 40 opens, can realize the air current that gets into from air intake 11, some gets into casing 10 through mesh 21, other accessible ventilation holes 22 that are blockked by metal separation net 20 get into in the casing 10, reduce the direct of metal separation net 20 and block, in order this realization to increase the cold air that gets into in the casing 10, improve the radiating effect of oral cavity die appearance, realize that oral cavity die appearance can directly adopt little radiator fan 40 can satisfy the heat dissipation demand, reduce the volume and the weight of oral cavity die appearance, solve current oral cavity die appearance and need adopt great radiator heat dissipation and cause bulky, the problem that weight is heavy.
Specifically, in one embodiment, a spacer 12 is disposed in the middle of the air inlet 11, a connection portion 13 is connected between the spacer 12 and the housing 10, and the spacer 12 and the housing 10 can be connected through the connection portion 13 and the spacer 12 can be fixed. Spacer 12 and metal separation net 20 interval setting, the position setting that ventilation hole 22 corresponds spacer 12, mesh 21 are located ventilation hole 22's periphery to this with ventilation hole 22 hide in casing 10, let mesh 21 correspond air intake 11 and set up, let oral cavity impression appearance accord with "IEC 60601-1 medical electrical equipment-first part: safety general requirements and basic guidelines.
In an embodiment, a rubber pad 30 is disposed between the metal isolation net 20 and the heat dissipation fan 40, and an opening 31 is formed at a position of the rubber pad 30 corresponding to the air inlet hole of the heat dissipation fan 40. The metal isolation net 20 is spaced from the heat dissipation fan 40 by the rubber pad 30, so that the contact between the metal isolation net 20 and the air inlet 11 of the heat dissipation fan 40 can be reduced, the cold air entering the shell 10 can be further increased, and the heat dissipation of the cavity impression apparatus can be better realized. Specifically, the rubber pad 30 is made of silica gel, and the rubber pad 30 is fixed to the metal separation net 20 and the heat dissipation fan 40 in a sticking manner, so that the fixing manner is simple and the product assembly operation is facilitated.
In one embodiment, the connecting portion 13 is arched on the side near the metal separation net 20, as shown in fig. 6, so that the metal separation net 20 and the spacer 12 are spaced apart from each other.
The above embodiments of the present invention are only described, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.
Claims (5)
1. A heat dissipation structure of an oral cavity impression apparatus, comprising: the heat dissipation fan and the metal isolation net are arranged in the shell;
the shell is provided with an air inlet corresponding to the position of the cooling fan, the metal isolation net is provided with meshes corresponding to the position of the air inlet, the metal isolation net is provided with vent holes staggered from the position of the air inlet, the metal isolation net and the air inlet are arranged at intervals, and the cooling fan is positioned on one side of the metal isolation net far away from the air inlet.
2. The heat dissipation structure of the oral cavity impression apparatus according to claim 1, wherein a spacer is arranged in the middle of the air inlet, a connecting part is connected between the spacer and the housing, and the spacer and the metal separation net are arranged at intervals; the ventilation hole corresponds the position setting of spacer, the mesh is located the periphery in ventilation hole.
3. The heat dissipation structure of the oral cavity impression apparatus according to claim 1 or 2, wherein a rubber pad is disposed between the metal isolation net and the heat dissipation fan, and an opening is formed in a position of the rubber pad corresponding to the air inlet hole of the heat dissipation fan.
4. The heat dissipating structure of an oral impression apparatus according to claim 2, wherein the connecting portion is arched at a side near the metal separation net.
5. The heat dissipating structure of an oral cavity impression apparatus as claimed in claim 3, wherein the cushion is made of silicone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161954.6U CN213960635U (en) | 2021-01-19 | 2021-01-19 | Heat radiation structure of oral cavity impression instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120161954.6U CN213960635U (en) | 2021-01-19 | 2021-01-19 | Heat radiation structure of oral cavity impression instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213960635U true CN213960635U (en) | 2021-08-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120161954.6U Active CN213960635U (en) | 2021-01-19 | 2021-01-19 | Heat radiation structure of oral cavity impression instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213960635U (en) |
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2021
- 2021-01-19 CN CN202120161954.6U patent/CN213960635U/en active Active
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