CN212586829U - Heat radiator - Google Patents

Abstract

The utility model discloses a radiator, which comprises a housin, crossing current flabellum and motor, the casing is formed with accepts the cavity, the casing is seted up and is accepted the air inlet and the gas vent of cavity intercommunication, the casing includes the top surface and the leading flank of being connected with the top surface, the top surface is used for placing mobile terminal, the gas vent is located the leading flank, the leading flank can enclose jointly with mobile terminal and horizontal desktop and close and be formed with the heat dissipation space, the crossing current flabellum is located accepts the cavity, the motor is connected with the crossing current flabellum, the motor is used for driving the crossing current flabellum and rotates in order to. So, the overall structure of radiator is simple compact, and the volume is less, portable, is applicable to various mobile terminal, and the suitability is strong, and the user uses experience to feel better.

Description

Heat radiator

Technical Field

The application relates to the technical field of heat dissipation, especially, relate to a radiator.

Background

With the development of science and technology, mobile terminals have become essential electronic products in people's daily life, and in order to meet the needs of office work, study, entertainment and the like, people often carry with them mobile terminals such as notebook computers, tablet computers, mobile phones and the like, and mobile terminals with portability are often limited in heat dissipation capability. The mobile terminal radiator on the market at present mainly adopts a radiating form of a bottom fan, and has a large radiating area but no portable characteristic. Therefore, a heat sink with portability, small size and high applicability is needed to assist the heat dissipation of the mobile terminal.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses need provide a radiator.

The utility model provides a radiator, including casing, crossing current flabellum and motor, the casing is formed with accepts the cavity, the casing seted up with accept the air inlet and the gas vent of cavity intercommunication, the casing include the top surface and with the leading flank that the top surface is connected, the top surface is used for placing mobile terminal, the gas vent is located the leading flank, the leading flank can with mobile terminal and horizontal desktop enclose jointly and close to be formed with the heat dissipation space, the crossing current flabellum is located accept in the cavity, the motor with the crossing current flabellum is connected, the motor is used for driving the crossing current flabellum rotate with to heat dissipation space output air current.

According to the utility model discloses a concrete embodiment, the casing is the cylindricality, the casing still include with the trailing flank that the top surface is connected, the top surface with the trailing flank has all been seted up the air inlet.

According to a specific embodiment of the utility model, the casing still include with the bottom surface that the top surface was carried on the back mutually, the top surface is certainly trailing flank court leading flank slope downwardly extending, the top surface with contained angle between the bottom surface is between 0 ~ 90.

According to the utility model discloses a concrete embodiment, the top surface protrusion is provided with first shock attenuation cushion, first shock attenuation cushion can with the mobile terminal butt.

According to the utility model discloses a concrete embodiment, the bottom surface is provided with second shock attenuation cushion.

According to the utility model discloses a concrete embodiment, the radiator still including accept in axle sleeve in the casing, the crossing current flabellum include first end and with the second end that first end carried on the back mutually, first end is provided with the projecting shaft, the projecting shaft is inserted and is located in the axle sleeve, the second end with the pivot fixed connection of motor.

According to the utility model discloses a concrete embodiment, the radiator still including set firmly in third shock attenuation cushion in the casing, the axle sleeve cover is located in the third shock attenuation cushion.

According to the utility model discloses a concrete embodiment, the radiator still including accept in third shock attenuation cushion and first backup pad in the casing, the shaft hole has been seted up to third shock attenuation cushion, the axle sleeve install in the shaft hole, the outer peripheral face of third shock attenuation cushion is formed with annular groove, first backup pad card is located in the annular groove, first backup pad with casing fixed connection.

According to the utility model discloses a concrete embodiment, the radiator still includes second backup pad and two fourth shock attenuation cushions, the second backup pad clamp is located between two fourth shock attenuation cushions, the motor passes through the second backup pad with casing fixed connection.

According to the utility model discloses a concrete embodiment, the radiator still includes end cover and power cord, the end cover lid is located on the opening end of casing, the motor part accept in the end cover, the through-hole has been seted up to the end cover, the one end of power cord is passed the through-hole with the motor electricity is connected, the other end of power cord is the USB interface.

The utility model discloses a radiator, owing to adopt the cross flow flabellum air supply, it is small, dynamic pressure is high, the air supply distance is far away, can provide great amount of wind, the radiating efficiency is higher, and mobile terminal can be placed to the top surface of casing, the casing has played the effect of support, the leading flank of casing can enclose jointly with mobile terminal and horizontal desktop and close and be formed with the heat dissipation space, the overall structure of radiator is simple compact like this, the volume is less, portable is applicable to various mobile terminal, therefore, the suitability is strong, user experience is better.

Drawings

Fig. 1 is a schematic perspective view of a heat sink in an embodiment of the present invention;

fig. 2 is an exploded view of the heat sink according to the embodiment of the present invention;

FIG. 3 is an embodiment of the present invention; the schematic diagram of the using state of the radiator;

fig. 4 is a schematic structural diagram of a heat sink in an embodiment of the present invention;

fig. 5 is another schematic structural diagram of the heat sink according to the embodiment of the present invention;

fig. 6 is a schematic view of another structure of the heat sink according to the embodiment of the present invention;

fig. 7 is a cross-sectional view of a heat sink in an embodiment of the present invention;

fig. 8 is a schematic perspective view of the housing according to the embodiment of the present invention;

fig. 9 is a schematic perspective view of a third cushion according to an embodiment of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances. In some instances, certain operations related to the present application have not been shown or described in detail in order to avoid obscuring the core of the present application from excessive description, and it is not necessary for those skilled in the art to describe these operations in detail, so that they may be fully understood from the description in the specification and the general knowledge in the art.

Furthermore, the features, operations, or characteristics described in the specification may be combined in any suitable manner to form various embodiments. Also, the various steps or actions in the method descriptions may be transposed or transposed in order, as will be apparent to one of ordinary skill in the art. Thus, the various sequences in the specification and drawings are for the purpose of describing certain embodiments only and are not intended to imply a required sequence unless otherwise indicated where such sequence must be followed.

The numbering of the components as such, e.g., "first", "second", etc., is used herein only to distinguish the objects as described, and does not have any sequential or technical meaning. The term "connected" and "coupled" when used in this application, unless otherwise indicated, includes both direct and indirect connections (couplings).

Please refer to fig. 1, fig. 2, fig. 3 and fig. 8, the heat sink 10 of the present invention includes a housing 11, a cross flow fan blade 12 and a motor 13, wherein the housing 11 is formed with an accommodating cavity 11a, the housing 11 is provided with an air inlet 11b and an air outlet 11c communicated with the accommodating cavity 11a, the housing 11 includes a top surface 111 and a front side surface 112 connected to the top surface 111, the top surface 111 is used for placing a mobile terminal 20, the air outlet 11c is located on the front side surface 112, the front side surface 112 can be enclosed together with the mobile terminal 20 and a horizontal desktop to form a heat dissipation space 30, the cross flow fan blade 12 is located in the accommodating cavity 11a, the motor 13 is connected to the cross flow fan blade 12, and the motor 13 is used for driving the cross flow fan blade 12.

When radiator 10 uses, bottom surface 113 and the contact of horizontal desktop of casing 11, mobile terminal 20 contacts with top surface 111 of casing 11 and mobile terminal 20's bottom and horizontal desktop butt, mobile terminal 20's bottom surface is the slope form and places, casing 11's leading flank 112, mobile terminal 20 and horizontal desktop enclose jointly and close the wedge heat dissipation space 30 that forms both sides and outside annular intercommunication, radiator 10 during operation, the air blows to mobile terminal 20's bottom surface through casing 11's leading flank 112, the air blows in behind the wedge heat dissipation space 30 and can take away mobile terminal 20's heat from the both sides in wedge heat dissipation space 30. Thus, the air exhaust surface of the radiator 10 is closer to the bottom surface of the mobile terminal 20, so that the air volume loss can be reduced, and the heat radiation efficiency is higher.

Specifically, referring to fig. 4 to 6, the housing 11 is substantially a hollow cylinder, one end of the housing 11 is an open end, the other end of the housing is a closed end, the accommodating cavity 11a is formed by enclosing an end surface 115, a top surface 111, a bottom surface 113 opposite to the top surface 111, a front side surface 112 and a rear side surface 114 connecting the top surface 111 and the bottom surface 113 together, the cross flow fan blade 12 is arranged in the accommodating cavity 11a along the axial direction of the housing 11, the top surface 111 of the housing 11 extends obliquely downward from the rear side surface 114 to the front side surface 112, and an included angle between the top surface 111 and the bottom surface 113 of the housing 11 is between 0 ° and 90 °, so that the mobile terminal 20 can be stably attached to and placed on the top surface 111 of the housing 11, and the housing 11 forms a. The top surface 111 and the rear side surface 114 of the shell 11 are both provided with air inlets 11b, so that more air inlets are formed, more air flows can be sucked, and the heat dissipation effect is better. Preferably, the air inlet 11b and the air outlet 11c are each composed of a plurality of strip-shaped through holes arranged at intervals.

Of course, the shapes and structures of the housing 11, the intake port 11b, and the exhaust port 11c are not limited to the above examples.

In the present embodiment, as shown in fig. 4, the first cushion rubber 14 is protruded from the top surface 111 of the housing 11, and the first cushion rubber 14 can abut against the mobile terminal 20, so that a gap is formed between the bottom surface of the mobile terminal 20 and the top surface 111 of the housing 11 to allow air to enter the housing 11 from the air inlet 11b of the top surface 111. Preferably, the number of the first cushion rubber 14 is two, and the first cushion rubber 14 is circular, and the two first cushion rubber 14 are respectively located at two sides of the air inlet on the top surface 111 of the housing 11. The bottom surface 113 of the housing 11 is provided with a second cushion rubber 15, the second cushion rubber 15 is rectangular, and the second cushion rubber 15 extends along the length direction of the bottom surface 113 of the housing 11. Thus, the noise can be effectively reduced.

In the present embodiment, please refer to fig. 7 and 9, a blind hole 11d is formed at the closed end of the housing 11, and a shaft sleeve 16 and a third cushion 17 wrapping the shaft sleeve 16 are disposed in the blind hole 11 d. The shaft sleeve 16 is connected with an extending shaft 121 of a first end 12a of the cross flow fan blade 12, the extending shaft 121 is inserted in the shaft sleeve 16 and can rotate relative to the shaft sleeve 16, a second end 12b of the cross flow fan blade 12 is fixedly connected with a rotating shaft 131 of the motor 13, the second end 12b of the cross flow fan blade 12 is opposite to the first end 12a, when the cross flow fan blade 12 rotates, air flow enters the accommodating cavity 11a of the housing 11 from the top surface 111 and the rear side surface 114 of the housing 11, and is accelerated to be discharged out of the housing 11 from the front side surface 112 of the housing 11 under the driving of the fan blade. Further, the shaft sleeve 16 is installed in the shaft hole 171 of the third cushion rubber 17, the outer peripheral surface of the third cushion rubber 17 is provided with an annular groove 172, the first supporting plate 18 is clamped in the annular groove 172, the first supporting plate 18 is fixedly connected with the shell 11, the first supporting plate 18 reduces the vibration of the third cushion rubber 17, the wind speed can be increased, and the noise can be reduced.

In other embodiments, the third cushion is fixed in the housing, and the shaft sleeve is sleeved in the third cushion without the first support plate.

In the present embodiment, as shown in fig. 2, 7 and 8, the heat sink 10 further includes a second support plate 19 and two fourth cushion rubbers 10a, the second support plate 19 is sandwiched between the two fourth cushion rubbers 10a, and the motor 13 is fixedly connected to the housing 11 through the second support plate 19. Further, an installation hole 11e is formed in an inner wall of the opening end of the housing 11, the second support plate 19 is located at the opening end of the housing 11, the motor 13, the fourth cushion rubber 10a, the second support plate 19 and the housing 11 are fixedly connected through a fixing screw, and the fixing screw sequentially penetrates through the stator 132 of the motor 13, one fourth cushion rubber 10a, the second support plate 19 and the other fourth cushion rubber 10a to be connected with the installation hole 11e of the housing 11.

In this embodiment, the heat sink 10 further includes an end cap 10c and a power cord 10d, the end cap 10c is disposed on the opening end of the housing 11, the end cap 10c and the housing 11 are fixedly connected to form a cylindrical whole, the end cap 10c covers the rotor portion 133 of the motor 13, the end cap 10c is provided with a through hole, one end of the power cord 10d penetrates through the through hole of the end cap to be electrically connected to the motor 13, and the other end of the power cord 10d is a USB interface. The positive and negative poles of the power line 10d are matched with the positive and negative poles of the power supply end of the motor 13 through the through hole of the end cover 10c, and the USB interface of the power line 10d can directly get power from the USB interface of the notebook computer, so that the radiator 10 works. Thus, the heat sink 10 of the present invention is suitable for a notebook computer with an interface located at the back, the side, or the like. Of course, the heat sink 10 may also be connected to other external power sources for use, such as a mobile power source or a USB port on a socket.

The utility model discloses a radiator 10, owing to adopt crossing current flabellum 12 air supply, it is small, move the pressure high, the air supply distance is far away, can provide great amount of wind, the radiating efficiency is higher, and mobile terminal 20 can be placed to casing 11's top surface 111, casing 11 has played the effect of support, casing 11's leading flank 112 can enclose jointly with mobile terminal 20 and horizontal desktop and close and be formed with heat dissipation space 30, radiator 10 has the simple compactness of overall structure, the volume is less, and is convenient for carry, be applicable to various mobile terminal 20, the suitability is strong, the noise is little, user uses to experience and feels better, easy processing, advantages such as assembly.

Of course, the utility model discloses can also adjust in detail department, for example increase and decrease the quantity of cushion rubber, change cushion rubber and arrange the position, increase non-functional spare part, the adjustment is qualified for the next round of competitions position, equal functional part replacement etc. and do not all the utility model discloses produce fundamental change, any obvious replacement is all in the utility model discloses a protection range.

It is right to have used specific individual example above the utility model discloses expound, only be used for helping to understand the utility model discloses, not be used for the restriction the utility model discloses. To the technical field of the utility model technical personnel, the foundation the utility model discloses an idea can also be made a plurality of simple deductions, warp or replacement.

Claims (10)

1. A heat sink, comprising:

the mobile terminal comprises a shell, a first fixing piece and a second fixing piece, wherein a containing cavity is formed in the shell, an air inlet and an air outlet which are communicated with the containing cavity are formed in the shell, the shell comprises a top surface and a front side surface connected with the top surface, the top surface is used for placing a mobile terminal, the air outlet is located on the front side surface, and the front side surface, the mobile terminal and a horizontal desktop can jointly enclose to form a heat dissipation space;

the transverse flow fan blade is positioned in the accommodating cavity; and

and the motor is used for driving the cross flow fan blades to rotate so as to output airflow to the heat dissipation space.

2. The heat sink of claim 1, wherein the housing is cylindrical, the housing further comprising a rear side surface connected to the top surface, the top surface and the rear side surface each having the air inlet.

3. The heat sink of claim 2, wherein the housing further comprises a bottom surface opposite the top surface, the top surface extending obliquely downward from the rear side surface toward the front side surface, and the top surface and the bottom surface forming an included angle of between 0 ° and 90 °.

4. The heat sink according to any one of claims 1-3, wherein the top surface is convexly provided with a first cushion rubber for abutting against the mobile terminal.

5. The heat sink of claim 3, wherein the bottom surface is provided with a second cushion rubber.

6. The heat sink of claim 1, further comprising a shaft sleeve received in the housing, wherein the cross flow fan comprises a first end and a second end opposite to the first end, the first end is provided with an extension shaft, the extension shaft is inserted into the shaft sleeve, and the second end is fixedly connected to the rotating shaft of the motor.

7. The heat sink of claim 6, further comprising a third cushion rubber fixed in the housing, wherein the shaft sleeve is sleeved in the third cushion rubber.

8. The heat sink as claimed in claim 6, wherein the heat sink further comprises a third cushion rubber and a first support plate accommodated in the housing, the third cushion rubber has a shaft hole, the shaft sleeve is mounted in the shaft hole, an annular groove is formed on an outer peripheral surface of the third cushion rubber, the first support plate is clamped in the annular groove, and the first support plate is fixedly connected to the housing.

9. The heat sink as claimed in claim 1, wherein the heat sink further comprises a second supporting plate and two fourth cushion rubbers, the second supporting plate is sandwiched between the two fourth cushion rubbers, and the motor is fixedly connected to the housing through the second supporting plate.

10. The heat sink of claim 1, further comprising an end cap and a power cord, wherein the end cap is disposed on the open end of the housing, the motor portion is received in the end cap, the end cap is formed with a through hole, one end of the power cord passes through the through hole to be electrically connected to the motor, and the other end of the power cord is a USB interface.

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