Refrigeration fan

Abstract

The utility model discloses a refrigeration fan, which comprises a mesh enclosure, a cooling fan, a fan cover and a fan cover, wherein the front surface of the mesh enclosure is provided with a through hole; the fan blades are arranged in the mesh enclosure; the motor is connected with the fan blades to drive the fan blades to rotate; the refrigeration assembly is arranged in the mesh enclosure and located on the front faces of the fan blades, the refrigeration assembly is provided with a heat dissipation end and a heat absorption end, the heat dissipation end faces the fan blades, and the heat absorption end penetrates through the through hole and is exposed out of the front face of the mesh enclosure; the heat conduction cover is arranged on the front face of the net cover, covers the heat absorption end and is in heat conduction connection with the heat absorption end. A user can use air blown by the fan blades to dissipate heat of the body skin, meanwhile, the user can directly make contact with the heat conduction cover in the using process, after the heat conduction cover is attached to the skin, the skin can be directly cooled through the heat conduction cover, the cool and refreshing feeling is brought to the skin, the heat dissipation effect on the skin is improved, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of fans, in particular to a refrigeration fan. Background Art

[0002] Fans are commonly used to cool down in hot weather. Their main working principle is to use a motor to drive the blades to rotate, accelerate air flow, and thus take away the heat from the body surface. The main structure of the fan includes a motor, a mesh cover, blades, and a power supply. The blades are set in the mesh cover, the motor is connected to the blades to drive the blades to rotate, and the power supply is connected to the motor to supply power to the motor.

[0003] In hot weather, the body is prone to high temperature and low sweating. In addition, when outdoors, the air temperature is high. In this state, the body is high and sweating, the ambient temperature is high, and the heat dissipation effect of the fan is limited. Utility Model Content

[0004] In order to solve the technical problem in the prior art that the heat dissipation effect of the fan is limited under the conditions of high body temperature and low sweat and high ambient temperature, one of the purposes of the utility model is to provide a cooling fan.

[0005] One of the purposes of the utility model is achieved by the following technical solution:

[0006] A cooling fan, comprising:

[0007] A mesh cover, wherein a through hole is provided on the front side of the mesh cover;

[0008] A fan blade, wherein the fan blade is arranged in the mesh cover;

[0009] A motor, the motor is connected to the fan blades to drive the fan blades to rotate;

[0010] A refrigeration component, the refrigeration component is arranged in the mesh cover and located on the front of the fan blade, the refrigeration component has a heat dissipation end and a heat absorption end, the heat dissipation end faces the fan blade, and the heat absorption end passes through the through hole and is exposed on the front of the mesh cover;

[0011] A heat-conducting cover is arranged on the front side of the mesh cover, and the heat-conducting cover covers the heat-absorbing end and is heat-conductingly connected to the heat-absorbing end.

[0012] Optionally, the refrigeration assembly includes a refrigeration fin, the refrigeration fin has a cold end and a hot end, the hot end faces the fan blade, the cold end faces the heat conductive cover, and the cold end is thermally connected to the heat conductive cover.

[0013] Optionally, the refrigeration component further includes a radiator, the radiator is the heat dissipation end, and the radiator is arranged at the hot end of the refrigeration fin.

[0014] Optionally, the radiator is provided with a plurality of heat sinks which are spaced apart and arranged side by side.

[0015] Optionally, the refrigeration component further includes a heat conductive sheet, which is the heat absorbing end, and which passes through the through hole and is exposed on the front side of the mesh cover. The heat conductive sheet is arranged between the refrigeration sheet and the heat conductive cover for heat transfer between the refrigeration sheet and the heat conductive cover.

[0016] Optionally, the cooling fan further includes a mainboard and a battery core, the battery core is electrically connected to the mainboard, and the mainboard is electrically connected to the cooling plate.

[0017] Optionally, the mesh cover comprises a front mesh cover and a rear mesh cover, a mounting shell is provided on the back of the rear mesh cover, and the mounting shell is recessed toward the front mesh cover to form a mounting groove;

[0018] The mainboard is arranged in the installation slot.

[0019] Optionally, the cooling fan further comprises a rear cover, which is arranged on the back side of the rear mesh cover and buckled on the mounting slot.

[0020] Optionally, the cooling fan further comprises a handle, the handle is rotatably connected to the mesh cover, and a cavity is provided in the handle;

[0021] The battery core is arranged in the cavity of the handle.

[0022] Optionally, the cooling fan further comprises a hanging rope, and both ends of the hanging rope are provided with clamping parts, and the clamping parts are clamped with the mesh cover.

[0023] Compared with the prior art, the beneficial effects of the present invention are:

[0024] A refrigeration component and a heat-conducting cover are provided. The refrigeration component is provided in the mesh cover, and the heat-absorbing end of the refrigeration component passes through the through hole and is connected to the heat-conducting cover. One end of the refrigeration component dissipates heat and the other end absorbs heat. The heat-dissipating end dissipates heat through fan blades, and the heat-absorbing end absorbs the heat of the heat-conducting cover to reduce the temperature of the heat-conducting cover. The heat-conducting cover is located on the front of the mesh cover and exposed from the mesh cover. On the one hand, the user can use the air blown by the fan blades to dissipate the heat of the body skin. On the other hand, the user can directly contact the heat-conducting cover when using it. After the heat-conducting cover is close to the skin, the skin can be directly cooled by the heat-conducting cover, which brings a cool and refreshing feeling to the skin, improves the heat dissipation effect on the skin, and improves the user's experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the structure of the cooling fan of the utility model;

[0026] Figure 2 It is a structural schematic diagram of the cooling fan of the utility model from another perspective;

[0027] Figure 3 A partially exploded structural diagram of a refrigeration fan of the utility model;

[0028] Figure 4 An exploded schematic diagram of a refrigeration fan of the present invention.

[0029] Description of the accompanying drawings:

[0030] 1. mesh cover; 11. front mesh cover; 12. rear mesh cover; 121. mounting shell; 122. mounting slot;

[0031] 2. Fan blades;

[0032] 3. Motor;

[0033] 4. Refrigeration assembly; 41. Refrigeration sheet; 42. Radiator; 421. Heat sink; 43. Heat conducting sheet;

[0034] 5. Thermal shield;

[0035] 6. Motherboard;

[0036] 7. Battery cells;

[0037] 8. Back cover;

[0038] 9. Handle;

[0039] 10. Lanyard;

[0040] 110. Lock. DETAILED DESCRIPTION

[0041] The following will be combined with the attached examples of the present application Figure 1 To Attachment Figure 4 , the technical solutions in the embodiments of the present application are clearly and completely described. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present application.

[0042] It should be noted that all directional indications in the embodiments of the present application (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0043] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this application.

[0044] like Figure 1-4 A cooling fan is shown, the cooling fan comprises a mesh cover 1, blades 2, a motor 3, a cooling assembly 4 and a heat-conducting cover 5. The front of the mesh cover 1 is provided with a through hole for the cooling assembly 4 to pass through. The blades 2 are arranged in the mesh cover 1. The motor 3 is fixed in the mesh cover 1 or fixed outside the mesh cover 1, and the motor 3 is connected to the blades 2 to drive the blades 2 to rotate. The cooling assembly 4 is arranged in the mesh cover 1 and is located in the front of the blades 2. The cooling assembly 4 has a heat dissipation end and a heat absorption end. The heat dissipation end faces the blades 2, and the heat absorption end passes through the through hole and is exposed on the front of the mesh cover 1. The heat-conducting cover 5 is arranged on the front of the mesh cover 1, and the heat-conducting cover 5 covers the heat absorption end and is heat-conductingly connected to the heat absorption end.

[0045] In this embodiment, a refrigeration component 4 and a heat-conducting cover 5 are provided. The refrigeration component 4 is provided in the mesh cover 1, and the heat-absorbing end of the refrigeration component 4 passes through the through hole and is connected to the heat-conducting cover 5. The refrigeration component 4 dissipates heat at one end and absorbs heat at the other end. The heat-dissipating end dissipates heat through the fan blades 2, and the heat-absorbing end absorbs the heat of the heat-conducting cover 5 to reduce the temperature of the heat-conducting cover 5. The heat-conducting cover 5 is located on the front of the mesh cover 1 and exposed to the mesh cover 1. On the one hand, the user can use the air blown by the fan blades 2 to dissipate the heat of the body skin. On the other hand, the user can directly contact the heat-conducting cover 5 when using it. After the heat-conducting cover 5 is close to the skin, the skin can be directly cooled by the heat-conducting cover 5, which brings a cool and refreshing feeling to the skin, improves the heat dissipation effect on the skin, and improves the user's experience.

[0046] In some embodiments of the refrigeration assembly 4, as Figure 4 As shown, the refrigeration assembly 4 includes a refrigeration sheet 41, and the refrigeration sheet 41 has a cold end and a hot end, the hot end faces the fan blade 2, the cold end faces the heat-conducting cover 5, and the cold end is thermally connected to the heat-conducting cover 5. The refrigeration sheet 41 is a thermoelectric semiconductor refrigeration device, which can dissipate heat at one end and absorb heat at the other end when powered on, that is, the cold end of the refrigeration sheet 41 absorbs heat, and the hot end of the refrigeration sheet 41 dissipates heat. After the refrigeration sheet 41 is installed on the front of the fan blade 2, the fan blade 2 can be used to dissipate heat at the hot end, and at the same time, the cold end absorbs the heat of the heat-conducting cover 5, thereby reducing the temperature of the heat-conducting cover 5.

[0047] Furthermore, if Figure 4As shown, the refrigeration assembly 4 also includes a radiator 42, which is a heat dissipation end and is arranged at the hot end of the refrigeration fin 41. The radiator 42 is arranged at the hot end of the refrigeration fin 41, which can accelerate the heat dissipation of the hot end, thereby improving the refrigeration effect of the refrigeration fin 41, and the radiator 42 can use the air blown out by the fan blade 2 to further improve its heat dissipation effect.

[0048] Furthermore, if Figure 4 As shown, in order to improve the heat dissipation effect of the radiator 42, a plurality of heat dissipation fins 421 arranged side by side at intervals are provided on the back of the radiator 42. Specifically, the radiator 42 can be a radiator 42 made of copper or aluminum.

[0049] Furthermore, if Figure 4 As shown, the refrigeration assembly 4 further includes a heat conducting sheet 43, which is a heat absorbing end. The heat conducting sheet 43 passes through the through hole and is exposed on the front of the mesh cover 1. The heat conducting sheet 43 is arranged between the refrigeration sheet 41 and the heat conducting cover 5, and is used for heat transfer between the refrigeration sheet 41 and the heat conducting cover 5. The heat conducting sheet 43 can very conveniently expand the area, thereby increasing the heat conduction area between the refrigeration sheet 41 and the heat conducting cover 5. In addition, the heat conducting sheet 43 can extend the heat conduction space, which is convenient for the fixed installation of the heat conducting cover 5 and the refrigeration sheet 41.

[0050] Specifically, the heat conducting sheet 43 can be a heat conducting sheet 43 made of copper or aluminum. Of course, the heat conducting sheet 43 can also be a heat conducting silicone sheet.

[0051] In some other embodiments of the refrigeration assembly 4, it can also be a wet cotton cloth, and by continuously supplying water or alcohol solution to the wet cotton cloth, the wet cotton cloth can achieve a cooling effect under the action of the air blown out by the fan blades 2. The wet cotton cloth can be attached to the heat conductive sheet 43. Of course, in this embodiment, the heat conductive sheet 43 can be fixed in the mesh cover 1, specifically fixed to the inner side of the front mesh cover 11. For the water supply or alcohol solution supply structure, it can include a water storage tank, a water pipe and a water pump. The water pump and the water storage tank are arranged in the handle 9 described below. The water pipe extends to the wet cotton cloth, and the water pump is arranged on the water pipe to pump water or alcohol solution onto the wet cotton cloth. Of course, the water pump is a low-power and low-flow device.

[0052] In some cooling fan embodiments, such as Figure 4 As shown, the cooling fan further includes a main board 6 and a battery cell 7, the battery cell 7 is electrically connected to the main board 6, and the main board 6 is electrically connected to the cooling sheet 41. The battery cell 7 supplies power to the motor 3, the main board 6, and the cooling sheet 41, and the main board 6 controls the motor 3, the battery cell 7, and the cooling sheet 41 to work, and the main board 6, the battery cell 7, the motor 3, and the cooling sheet 41 work in coordination with each other.

[0053] In some embodiments of the mesh cover 1, such as Figure 2 , Figure 4As shown, the mesh cover 1 includes a front mesh cover 11 and a rear mesh cover 12, which are connected by a buckle, and a mounting shell 121 is provided on the back of the rear mesh cover 12, and the mounting shell 121 is recessed toward the front mesh cover 11 to form a mounting groove 122. The main board 6 is arranged in the mounting groove 122. In addition, the motor 3 is fixedly mounted on the mounting shell 121.

[0054] The front mesh cover 11 is provided with the aforementioned through hole, and the through hole of the front mesh cover 11 is also provided with a receiving groove for accommodating or limiting the cooling sheet 41 and the heat conducting sheet 43. The cooling sheet 41 and the heat conducting sheet 43 are arranged in the receiving groove. The radiator 42 covers the receiving groove and is close to the cooling sheet 41. At the same time, the radiator 42 is fixedly connected to the front mesh cover 11.

[0055] In addition, if Figures 2 to 4 As shown, the cooling fan further includes a rear cover 8, which is disposed on the back of the rear mesh cover 12 and buckled on the mounting slot 122. The rear cover 8 covers the mounting slot 122 to provide a safe and closed working environment for the mainboard 6. The rear cover 8 is provided with a charging hole and a control button. The mainboard 6 is provided with a corresponding charging connector and a contact switch, the charging connector is embedded in the charging hole, and the contact switch is located at a position corresponding to the control button.

[0056] In some embodiments of the cooling fan, such as Figures 2 to 4 As shown, the cooling fan further includes a handle 9, which is rotatably connected to the mesh cover 1, and a cavity is provided in the handle 9. The battery core 7 is provided in the cavity of the handle 9. After the handle 9 is provided, it is convenient for the user to hold it, thereby improving the convenience of use.

[0057] In addition, the handle 9 is rotatably connected to the rear mesh cover 12 .

[0058] In some embodiments of the cooling fan, such as Figure 1 As shown, the cooling fan further includes a hanging rope 10, and a clamping piece is provided at both ends of the hanging rope 10, and the clamping piece is clamped with the mesh cover 1. The mesh cover 1 is provided with two clamping holes, and the clamping piece is clamped into the clamping holes. Specifically, the rear mesh cover 12 is provided with two clamping holes, and the hanging rope 10 is connected to the rear mesh cover 12 through the clamping piece.

[0059] In some embodiments of the cooling fan, such as Figure 1 As shown, the refrigeration fan also includes a lock buckle 110, which is movably connected to the handle 9. Specifically, the lock buckle 110 can be connected to the handle 9 through a rotating shaft. The lock buckle 110 includes a locking ring, a reset spring and a swing lever. The locking ring has an opening, and the swing lever is arranged at the opening. One end of the swing lever is pivotally connected to one end of the locking ring located at the opening, and the other end of the swing lever abuts against the other end of the locking ring located at the opening, that is, the other end of the swing lever abuts against the locking ring, and abuts against the inner side of the corresponding end of the locking ring. The reset spring is arranged on the locking ring, and the reset spring is also connected to the swing lever to drive the swing lever to reset to a state where the other end of the swing lever abuts against the locking ring.

[0060] The above-mentioned implementation modes are only preferred implementation modes of the present invention, and cannot be used to limit the protection scope of the present invention. Any non-substantial changes and substitutions made by technicians in this field on the basis of the present invention shall fall within the scope of protection required by the present invention.

Claims

1. A cooling fan, characterized in that: The cooling fan comprises: A mesh cover, wherein a through hole is provided on the front side of the mesh cover; A fan blade, wherein the fan blade is arranged in the mesh cover; A motor, the motor is connected to the fan blades to drive the fan blades to rotate; A refrigeration component, the refrigeration component is arranged in the mesh cover and located on the front of the fan blade, the refrigeration component has a heat dissipation end and a heat absorption end, the heat dissipation end faces the fan blade, and the heat absorption end passes through the through hole and is exposed on the front of the mesh cover; A heat-conducting cover is arranged on the front side of the mesh cover, and the heat-conducting cover covers the heat-absorbing end and is heat-conductingly connected to the heat-absorbing end.

2. The cooling fan according to claim 1, characterized in that: The refrigeration assembly comprises a refrigeration fin, wherein the refrigeration fin has a cold end and a hot end, wherein the hot end faces the fan blade, and the cold end faces the heat conductive cover, and the cold end is heat-conductively connected to the heat conductive cover.

3. The cooling fan according to claim 2, characterized in that: The refrigeration component further includes a radiator, which is the heat dissipation end and is arranged at the hot end of the refrigeration fin.

4. The cooling fan according to claim 3, characterized in that: The radiator is provided with a plurality of radiating fins which are arranged side by side at intervals.

5. The cooling fan according to claim 4, characterized in that: The refrigeration component also includes a heat conductive sheet, which is the heat absorbing end. The heat conductive sheet passes through the through hole and is exposed on the front side of the mesh cover. The heat conductive sheet is arranged between the refrigeration sheet and the heat conductive cover for heat transfer between the refrigeration sheet and the heat conductive cover.

6. The cooling fan according to claim 2, characterized in that: The cooling fan further comprises a mainboard and a battery core, wherein the battery core is electrically connected to the mainboard by signals, and the mainboard is electrically connected to the cooling plate by signals.

7. The cooling fan according to claim 6, characterized in that: The mesh cover comprises a front mesh cover and a rear mesh cover, a mounting shell is provided on the back of the rear mesh cover, and the mounting shell is recessed toward the front mesh cover to form a mounting groove; The mainboard is arranged in the installation slot.

8. The cooling fan according to claim 7, characterized in that: The cooling fan further comprises a rear cover, which is arranged on the back side of the rear mesh cover and buckled on the mounting slot.

9. The cooling fan according to claim 6, characterized in that: The cooling fan further comprises a handle, the handle is rotatably connected to the mesh cover, and a cavity is provided in the handle; The battery core is arranged in the cavity of the handle.

10. The cooling fan according to claim 1, characterized in that: The cooling fan also includes a hanging rope, and both ends of the hanging rope are provided with clamping parts, and the clamping parts are clamped with the mesh cover.

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