CN214098340U

CN214098340U - Refrigeration fan for portable case

Info

Publication number: CN214098340U
Application number: CN202022926974.6U
Authority: CN
Inventors: 何静波; 吴超; 王凌
Original assignee: Nanjing Changfeng Space Electronics Technology Co Ltd
Current assignee: Nanjing Changfeng Space Electronics Technology Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-08-31
Anticipated expiration: 2030-12-09

Abstract

The utility model discloses a refrigeration fan for portable quick-witted case relates to quick-witted case technical field, specifically is a refrigeration fan for portable quick-witted case, the load simulator comprises a case, the right side joint of machine case has radiator fan, radiator fan is including the casing, fixture block under the bottom fixedly connected with of casing, radiator fan's top joint has last fixture block, go up the right side fixedly connected with of fixture block briquetting down, the bottom fixedly connected with reset spring of briquetting down. This a refrigeration fan for great portable quick-witted case of thermal power consumption connects radiator fan through the mode that adopts the joint, when needs carry out the deashing to radiator fan, only needs press down the briquetting downwards, makes and goes up the fixture block downstream, will go up the fixture block and take out in the draw-in groove from last, can be quick take off radiator fan, conveniently carry out the deashing to radiator fan and handle.

Description

Refrigeration fan for portable case

Technical Field

The utility model relates to a quick-witted case technical field specifically is a refrigeration fan for portable quick-witted case.

Background

The semiconductor refrigerator is a device for producing cold by using the thermo-electric effect of a semiconductor, and is also called as a thermoelectric refrigerator. When two different metals are connected by a conductor and direct current is applied, the temperature at one junction is reduced and the temperature at the other junction is increased. The semiconductor refrigerator has the characteristics of no noise, no vibration, no need of refrigerant, small volume, light weight and the like, and has the advantages of reliable work, simple and convenient operation and easy cold quantity regulation.

For some portable cases carrying high-power-consumption electronic components, in a severe environment (higher environmental temperature), ordinary air cooling cannot meet the working requirements of the portable cases. The liquid cooling technology is adopted for heat dissipation, a cold plate and a matched cold source need to be arranged, the size of equipment is large, and the equipment with the portable requirement is unrealistic, so that the problem of reducing the air temperature of an air inlet of a case is solved, and the refrigerating fan for the portable case is provided.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a refrigeration fan for portable quick-witted case has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a refrigeration fan for portable quick-witted case, includes quick-witted case, the right side joint of machine case has radiator fan, radiator fan is including the casing, fixture block under the bottom fixedly connected with of casing, radiator fan's top joint has last fixture block, the right side fixedly connected with of going up the fixture block is briquetting down, the bottom fixedly connected with reset spring of briquetting down, reset spring's bottom fixed mounting is at the top of casing, radiator fan's right side fixed mounting has thermoelectric refrigerator, the left side fixed mounting of machine case has exhaust fan.

Optionally, an air inlet is formed in the right side of the case, an upper clamping groove is fixedly connected to the top of the air inlet, a lower clamping groove is fixedly connected to the bottom of the air inlet, and the upper clamping groove and the lower clamping groove are respectively matched with the upper clamping block and the lower clamping block.

Optionally, the inside fixed mounting of casing has air intake fan, air intake fan's quantity has two, air intake fan is the same with exhaust fan's size.

Optionally, the right side fixedly connected with slider of going up the fixture block, the slider joint is at the top of casing.

Optionally, the thermoelectric refrigerator includes a hot-end ceramic wafer, the left side of the hot-end ceramic wafer is fixedly connected with a heat sink, the right side of the hot-end ceramic wafer is fixedly connected with a metal conductor, the right side of the metal conductor is fixedly connected with a semiconductor, the right side of the semiconductor is fixedly connected with another metal conductor, the right side of the metal conductor is fixedly connected with a cold-end ceramic wafer, and the right side of the cold-end ceramic wafer is fixedly connected with a refrigerating piece.

Optionally, the semiconductor includes two types, i.e., an N type and a P type, the semiconductor is made of bismuth telluride, the semiconductor and the metal conductors on the two sides form an S-shaped loop, the metal conductors on the two sides are alternately distributed, and two ends of the cold-end ceramic wafer are connected with the direct-current power supply.

The utility model provides a refrigeration fan for portable quick-witted case possesses following beneficial effect:

1. this a refrigeration fan for great portable quick-witted case of thermal power consumption, outside through at radiator fan sets up thermoelectric cooler, add DC voltage at thermoelectric cooler's both ends, make the heat have cold junction potsherd one end to transmit hot junction potsherd one end, thereby make the refrigeration piece cool down, when the air passes through in the refrigeration piece, can cool down the air, make the cold air blow in the inside of quick-witted case, the refrigeration efficiency of fan has been improved, radiator fan is connected through the mode that adopts the joint, when needs carry out the deashing to radiator fan, only need press down the briquetting downwards, make and go up the fixture block and remove downwards, will go up the fixture block and take out from last draw-in groove, can be quick take off radiator fan, the convenience is carried out the deashing and is handled radiator fan.

2. This a refrigeration fan for great portable quick-witted case of thermal power consumption, through the left side installation exhaust fan at quick-witted case, utilize exhaust fan to discharge quick-witted incasement portion's hot-air, make the inside of quick-witted case form the ventiduct, accelerate the thermal scattering and disappearing of quick-witted incasement portion, radiating efficiency has been improved, through installing radiator fan and thermoelectric refrigerator in the outside of quick-witted case, can not occupy quick-witted incasement portion's space, can not cause the influence to the portability of quick-witted case, the convenience is used on the comparatively small portable quick-witted case of volume.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view after the detachment of the present invention;

fig. 3 is a schematic view of the vertical structure of the thermoelectric refrigerator of the present invention.

In the figure: 1. a chassis; 11. an air inlet; 12. an upper clamping groove; 13. a lower clamping groove; 2. a heat radiation fan; 21. A housing; 22. an air intake fan; 23. a lower clamping block; 24. an upper clamping block; 25. pressing the block; 26. a return spring; 27. a slider; 3. a thermoelectric refrigerator; 31. a hot end ceramic wafer; 32. a heat sink; 33. a metal conductor; 34. a semiconductor; 35. a cold end ceramic wafer; 36. a refrigeration plate; 4. an exhaust fan.

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.

Referring to fig. 1 to 3, the present invention provides a technical solution: a refrigeration fan for a portable case comprises a case 1, an air inlet 11 is formed in the right side of the case 1, an upper clamping groove 12 is fixedly connected to the top of the air inlet 11, a lower clamping groove 13 is fixedly connected to the bottom of the air inlet 11, the upper clamping groove 12 and the lower clamping groove 13 are respectively matched with an upper clamping block 24 and a lower clamping block 23, a cooling fan 2 is clamped on the right side of the case 1, the cooling fan 2 and a thermoelectric refrigerator 3 are installed outside the case 1, the space inside the case 1 cannot be occupied, the portability of the case 1 cannot be affected, the cooling fan is convenient to use on the portable case with a small size, the cooling fan 2 comprises a shell 21, air inlet fans 22 are fixedly installed inside the shell 21, the number of the air inlet fans 22 is two, the sizes of the air inlet fans 22 and the size of the exhaust fan 4 are the same, and the lower clamping block 23 is fixedly connected to the bottom of the shell 21, an upper clamping block 24 is clamped at the top of the heat radiation fan 2, a lower pressing block 25 is fixedly connected to the right side of the upper clamping block 24, a return spring 26 is fixedly connected to the bottom of the lower pressing block 25, a sliding block 27 is fixedly connected to the right side of the upper clamping block 24, the sliding block 27 is clamped at the top of the shell 21, the bottom of the return spring 26 is fixedly installed at the top of the shell 21, the heat radiation fan 2 is connected in a clamping manner, when the heat radiation fan 2 needs to be cleaned, the upper clamping block 24 can move downwards only by pressing the lower pressing block 25 to take the upper clamping block 24 out of the upper clamping groove 12, the heat radiation fan 2 can be quickly taken down, the dust cleaning treatment of the heat radiation fan 2 is convenient, a thermoelectric refrigerator 3 is fixedly installed at the right side of the heat radiation fan 2, the thermoelectric refrigerator 3 comprises a ceramic plate 31, a heat end 32 is fixedly connected to the left side of the heat end 31, a metal conductor 33 is fixedly connected to the right side of the heat end 31, the semiconductor 34 is fixedly connected to the right side of the metal conductor 33, the other metal conductor 33 is fixedly connected to the right side of the semiconductor 34, the cold-end ceramic piece 35 is fixedly connected to the right side of the metal conductor 33, the refrigerating piece 36 is fixedly connected to the right side of the cold-end ceramic piece 35, the thermoelectric refrigerator 3 is arranged outside the cooling fan 2, and direct-current voltage is added to two ends of the thermoelectric refrigerator 3, so that heat is transferred from one end of the cold-end ceramic piece 35 to one end of the hot-end ceramic piece 31, and the refrigerating piece 36 is cooled, when air passes through the refrigerating piece 36, the air can be cooled, so that cold air is blown into the interior of the case 1, the refrigerating efficiency of the fan is improved, the semiconductor 34 comprises two types of an N type and a P type, the semiconductor 34 is made of bismuth telluride material, the semiconductor 34 and the metal conductors 33 on two sides form an S-shaped loop, and the metal conductors 33 on two sides are alternately distributed, the both ends of cold junction potsherd 35 are connected with DC power supply, and the left side fixed mounting of machine case 1 has exhaust fan 4, through installing exhaust fan 4 in the left side of machine case 1, utilizes exhaust fan 4 to discharge the inside hot-air of machine case 1, makes the inside of machine case 1 form the ventiduct for the inside thermal scattering and disappearing of machine case 1, has improved radiating efficiency.

To sum up, this a refrigeration fan for great portable quick-witted case of thermal power consumption, during the use, load direct current voltage at thermoelectric refrigerator 3's both ends, utilize semiconductor's thermoelectric effect, make cold junction potsherd 35 one end temperature reduce, thereby make refrigeration piece 36 cool down, when the air passes through in refrigeration piece 36, can cool down the air, make cold air blow into the inside of quick-witted case 1, later discharge the hot-air of quick-witted case 1 inside by exhaust fan 4 again, cool down the inside of quick-witted case 1, when needing the deashing, press down briquetting 25 and make last fixture block 24 move down, at this moment go up fixture block 24 and last draw-in groove 12 separation, take off radiator fan 2 and carry out the deashing, can.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A refrigeration fan for a portable chassis, comprising a chassis (1), characterized in that: the right side joint of machine case (1) has radiator fan (2), radiator fan (2) are including casing (21), fixture block (23) under the bottom fixedly connected with of casing (21), the top joint of radiator fan (2) has last fixture block (24), briquetting (25) under the right side fixedly connected with of last fixture block (24), the bottom fixedly connected with reset spring (26) of briquetting (25) down, the bottom fixed mounting of reset spring (26) is at the top of casing (21), the right side fixed mounting of radiator fan (2) has thermoelectric refrigerator (3), the left side fixed mounting of machine case (1) has exhaust fan (4).

2. A cooling fan for a portable case as claimed in claim 1, wherein: air inlet (11) have been seted up on the right side of quick-witted case (1), draw-in groove (12) are gone up to the top fixedly connected with of air inlet (11), draw-in groove (13) under the bottom fixedly connected with of air inlet (11), go up draw-in groove (12) and draw-in groove (13) down in last fixture block (24) and fixture block (23) phase-match down respectively.

3. A cooling fan for a portable case as claimed in claim 1, wherein: the inside fixed mounting of casing (21) has air intake fan (22), air intake fan (22)'s quantity has two, air intake fan (22) are the same with exhaust fan (4) size.

4. A cooling fan for a portable case as claimed in claim 1, wherein: the right side fixedly connected with slider (27) of going up fixture block (24), slider (27) joint is at the top of casing (21).

5. A cooling fan for a portable case as claimed in claim 1, wherein: thermoelectric refrigerator (3) is including hot junction ceramic wafer (31), left side fixedly connected with fin (32) of hot junction ceramic wafer (31), the right side fixedly connected with metallic conductor (33) of hot junction ceramic wafer (31), the right side fixedly connected with semiconductor (34) of metallic conductor (33), another metallic conductor (33) of semiconductor (34) right side fixedly connected with, the right side fixedly connected with cold junction ceramic wafer (35) of metallic conductor (33), the right side fixedly connected with refrigeration piece (36) of cold junction ceramic wafer (35).

6. A cooling fan for a portable case as claimed in claim 5, wherein: the semiconductor (34) comprises an N type and a P type, the semiconductor (34) is made of bismuth telluride, the semiconductor (34) and the metal conductors (33) on the two sides form an S-shaped loop, the metal conductors (33) on the two sides are distributed alternately, and the two ends of the cold-end ceramic piece (35) are connected with a direct-current power supply.