CN212696430U

CN212696430U - Heat abstractor, electronic equipment and integrated kitchen

Info

Publication number: CN212696430U
Application number: CN202021967169.1U
Authority: CN
Inventors: 周鑫韬; 孙浩然; 莫希; 伍伟键; 邓锦雄; 黄培源
Original assignee: TCL Home Appliances Zhongshan Co Ltd
Current assignee: TCL Home Appliances Zhongshan Co Ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-03-12
Anticipated expiration: 2030-09-09

Abstract

The utility model provides a heat abstractor, applied this heat abstractor's electronic equipment and applied this electronic equipment's integrated kitchen, heat abstractor includes: the heat dissipation shell is internally provided with an air cavity, and the heat dissipation shell is also provided with an airflow inlet and an airflow outlet which are communicated with the air cavity; the radiating pipe is internally provided with a radiating air duct, two ends of the radiating pipe are respectively provided with an air inlet and an air outlet which are communicated with the radiating air duct, and the air inlet is communicated with the air flow outlet; the impeller is rotatably arranged in the air cavity and used for driving airflow to enter the air cavity from the airflow inlet, enabling the airflow to sequentially enter the heat dissipation air duct through the airflow outlet and the air inlet and then blowing the airflow out of the air outlet. The technical scheme of the utility model, can be so that be located airtight circuit board that holds the chamber in time dispels the heat, reduce electronic equipment's damage risk.

Description

Heat abstractor, electronic equipment and integrated kitchen

Technical Field

The utility model relates to a heat dissipation technical field, in particular to heat abstractor, applied this heat abstractor's electronic equipment and applied this electronic equipment's integrated kitchen.

Background

At present, electronic equipment is mostly provided with a circuit board, and the circuit board is provided with components such as an integrated chip; in an exemplary technology, in order to protect components on a circuit board, the circuit board is mostly arranged in a closed cavity; however, in the installation mode, when the electronic equipment works, heat generated by a plurality of components is accumulated in the closed cavity and cannot be dissipated, so that the temperature rise of the circuit board is too fast and easily exceeds the safe temperature range, and the damage risk of the electronic equipment is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a heat abstractor, applied this heat abstractor's electronic equipment and applied this electronic equipment's integrated kitchen aims at making to be located airtight circuit board that holds the chamber and in time dispels the heat, reduces electronic equipment's damage risk.

In order to achieve the above object, the present invention provides a heat dissipation device, including:

the heat dissipation shell is internally provided with an air cavity, and the heat dissipation shell is also provided with an airflow inlet and an airflow outlet which are communicated with the air cavity;

the radiating pipe is internally provided with a radiating air duct, two ends of the radiating pipe are respectively provided with an air inlet and an air outlet which are communicated with the radiating air duct, and the air inlet is communicated with the air flow outlet;

the impeller is rotatably arranged in the air cavity and used for driving airflow to enter the air cavity from the airflow inlet, enabling the airflow to sequentially enter the heat dissipation air duct through the airflow outlet and the air inlet and then blowing the airflow out of the air outlet.

Optionally, the heat dissipation pipe comprises at least two sections of straight pipes and an elbow pipe located between two adjacent sections of the straight pipes, and two ends of the elbow pipe are respectively communicated with the two adjacent straight pipes.

Optionally, the heat dissipation shell includes roof and surrounding edge, the surrounding edge along the outer fringe of roof encircles the setting, the surrounding edge with the roof encloses to close and forms the wind cavity, the surrounding edge deviates from the one end of roof forms the air current entry, the surrounding edge lateral wall seted up the intercommunication the air current export in wind cavity.

Optionally, the impeller is a centrifugal impeller comprising a plurality of blades arranged at intervals circumferentially along the peripheral edge.

Optionally, the heat dissipation device further comprises a motor, the motor is arranged on one side, deviating from the air cavity, of the top plate, and an output shaft of the motor penetrates through the top plate to extend into the air cavity and is fixedly connected with the impeller.

Optionally, the heat dissipation shell is provided with a plurality of airflow outlets, and the airflow outlets are arranged around the outer side wall of the surrounding edge at intervals;

the heat dissipation device is provided with a plurality of heat dissipation pipes, and the air inlets of the heat dissipation pipes are communicated with the air outlet.

Optionally, the heat dissipation device further includes a gas collecting hood, the gas collecting hood is disposed at the airflow outlet, one end of the gas collecting hood, which is away from the airflow outlet, is communicated with the air inlet, and the cross-sectional area of the gas collecting hood gradually shrinks along the air outlet direction of the airflow outlet.

Optionally, the heat dissipation device further comprises an air outlet cover, and the air outlet cover is communicated with the air outlet.

The utility model also provides an electronic device, which comprises a shell and the heat dissipation device in any one of the above items;

the heat dissipation device comprises a heat dissipation shell, a heat dissipation pipe and an impeller, wherein an air cavity is formed in the heat dissipation shell, and the heat dissipation shell is also provided with an airflow inlet and an airflow outlet which are communicated with the air cavity;

a heat dissipation air channel is formed in the heat dissipation tube, an air inlet and an air outlet which are communicated with the heat dissipation air channel are respectively formed in two ends of the heat dissipation tube, and the air inlet is communicated with the air flow outlet;

the impeller is rotatably arranged in the air cavity and used for driving airflow to enter the air cavity from the airflow inlet, enabling the airflow to sequentially enter the heat dissipation air duct through the airflow outlet and the air inlet and then blowing the airflow out of the air outlet;

the heat dissipation device is arranged outside the shell and is communicated with the inside of the shell through the airflow inlet and the air outlet.

The utility model also provides an integrated cooker, which comprises the electronic equipment, wherein the electronic equipment comprises a shell and the heat dissipation device in any item;

According to the technical scheme of the utility model, the impeller is arranged in the air cavity of the heat dissipation shell of the heat dissipation device, the impeller rotates to form air pressure, high-temperature air flow in the closed containing cavity is introduced into the air cavity, then the high-temperature air flow is blown into the heat dissipation air channel through the air flow outlet and the air inlet in sequence, and the air flow returns to the closed containing cavity from the air outlet after being dissipated in the heat dissipation air channel; namely, the technical scheme of the utility model, use the air current in the airtight appearance chamber of heat abstractor extraction, take out the heat in the airtight appearance chamber through the air current to transmit the heat that the air current carried to the external world via heat abstractor, realize holding the inside heat dissipation of chamber to airtight, and then make the circuit board that is arranged in airtight appearance chamber in time dispel the heat, reduce electronic equipment's damage risk.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural view of the heat dissipation device of the present invention fixed to a housing;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a schematic structural view of the heat dissipating tube, the air collecting hood and the air outlet hood of FIG. 1;

fig. 4 is a schematic structural diagram of the heat dissipation casing, the impeller and the motor in fig. 1.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

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.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a heat abstractor 10.

Referring to fig. 1, in some embodiments of the present invention, the heat dissipating device 10 includes a heat dissipating shell 12 and a heat dissipating pipe 11 that are communicated with each other, an air cavity 123 is formed in the heat dissipating shell 12, and the heat dissipating shell 12 is further provided with an air inlet 121 and an air outlet 122 that are communicated with the air cavity 123; a heat dissipation air channel is formed in the heat dissipation tube 11, an air inlet and an air outlet which are communicated with the heat dissipation air channel are respectively formed at two ends of the heat dissipation tube 11, and the air inlet is communicated with the air flow outlet 122; the heat dissipation device 10 further includes an impeller 13, wherein the impeller 13 is rotatably disposed in the air cavity 123, and is used for driving an air flow to enter the air cavity 123 from the air inlet 121, sequentially enter the heat dissipation air duct through the air outlet 122 and the air inlet, and then blow out the air flow from the air outlet.

Specifically, the heat dissipation device 10 provided by the present invention is mostly used for dissipating heat of a heat generating device disposed in a sealed cavity, wherein the heat generating device may be an electronic component such as a chip, a resistor, a capacitor, or a circuit board carrying the electronic component, and the heat generating device is disposed in the sealed cavity, so as to prevent the heat generating device from being damaged by external influences, but this way will cause heat generated by the heat generating device to accumulate in the sealed cavity and not be dissipated out in time; in the technical scheme of this embodiment, the heat dissipation device 10 is disposed outside the housing 20, and is communicated with the sealed cavity in the housing 20 through the airflow inlet 121 and the air outlet, and the heat dissipation device 10 is configured to draw out a high-temperature airflow in the sealed cavity, so that the high-temperature airflow flows in a heat dissipation air duct of the heat dissipation device 10 outside the sealed cavity to dissipate heat, and then blows back the cooled low-temperature airflow into the sealed cavity along the air outlet, so that heat in the sealed cavity is transferred to the outside of the sealed cavity, and heat is prevented from accumulating in the sealed cavity.

In this embodiment, the impeller 13 is disposed in the heat dissipating device 10, the impeller 13 is rotatably disposed in the air cavity 123 of the heat dissipating casing 12, so as to discharge the air flow in the air cavity 123 into the heat dissipating air duct of the heat dissipating pipe 11, thereby forming a negative pressure in the air cavity 123, so that the air flow in the sealed cavity enters the air cavity 123, the impeller 13 then discharges the air flow entering the air cavity 123 into the heat dissipating air duct, thereby continuously discharging the air flow in the sealed cavity into the heat dissipating air duct, because the air flow continuously gushes in the heat dissipating air duct, the air flow in the heat dissipating air duct is discharged from the air outlet into the sealed cavity, so as to circulate, so that the high-temperature air flow in the sealed cavity is continuously pumped out into the heat dissipating air duct for heat dissipation, and the low-temperature air flow in the heat dissipating air duct continuously gushes into the sealed cavity, thereby timely dissipating heat of the electronic components and the circuit board in the sealed cavity, the risk of damage to the electronic device is reduced.

It should be noted that the heat dissipation manner of the high-temperature airflow in the heat dissipation air duct may be that a refrigerant is disposed in the heat dissipation device 10, and the airflow transfers heat to the refrigerant when passing through the refrigerant; or, a heat radiation fan is arranged outside the heat radiation air duct, the heat radiation fan drives external air flow to exchange heat with the air flow in the heat radiation air duct to take away the heat of the air flow in the heat radiation air duct, the heat radiation mode of the air flow is not limited by the heat radiation device 10, only the air flow entering the heat radiation air duct from the closed cavity is required to be cooled in the heat radiation air duct, the cooled air flow is blown back to the closed cavity from the air outlet of the heat radiation device 10, and the air flow circularly flows in the closed cavity and the heat radiation device 10, so that the heat in the closed cavity is taken away by the heat radiation device 10 quickly.

It should be further noted that, in the technical solution of the present invention, the air flow entering the heat dissipation air duct firstly transfers heat to the heat dissipation tube 11, preferably, in this embodiment, the heat dissipation tube 11 may be made of a material with good heat conduction and dissipation performance, such as but not limited to aluminum, copper or aluminum alloy, and is intended to improve the heat transfer efficiency, and is not limited specifically herein. Of course, the airflow in the closed cavity enters the air cavity 123 of the heat dissipation shell 12 first and then enters the heat dissipation air duct, and preferably, the heat dissipation shell 12 may also use a material with good heat conduction and heat dissipation performance, such as aluminum, copper, or aluminum alloy, so that the airflow can also transfer heat outwards through the heat dissipation shell 12 when entering the air cavity 123, so as to improve the heat dissipation efficiency of the heat dissipation device 10.

According to the technical scheme of the utility model, the impeller 13 rotates to form wind pressure in the wind cavity 123 of the heat dissipation shell 12, high-temperature airflow in the external closed cavity is introduced into the wind cavity 123, then the high-temperature airflow sequentially enters the heat dissipation air duct through the airflow outlet 122 and the air inlet, and the airflow returns to the closed cavity from the air outlet after being dissipated in the heat dissipation air duct; namely, the technical scheme of the utility model, through the airtight air current that holds in the chamber of heat abstractor 10 extraction for the heat that the air current carried transmits to the external world via heat abstractor 10, realizes the heat transfer to airtight intracavity air current that holds, and then makes the circuit board that is located airtight appearance chamber in time dispel the heat, reduces electronic equipment's damage risk.

Referring to fig. 3, in some embodiments of the present invention, the heat dissipation pipe 11 includes at least two sections of straight pipes 111 and an elbow pipe 112 located between two adjacent sections of the straight pipes 111, and two ends of the elbow pipe 112 are respectively communicated with two adjacent straight pipes 111. The technical scheme of the utility model, the air current gets into in the radiating air duct in the cooling tube 11, the heat passes through that the thermal conductivity is good cooling tube 11 transmits to the external world fast, so that the heat that the air current carried gives off. In this embodiment, the heat dissipation pipe 11 includes a straight pipe 111 and an elbow pipe 112, the straight pipe 111 is provided with at least two sections, and two adjacent sections are communicated through the elbow pipe between the straight pipes, so that the heat dissipation pipe 11 is broken line type, so that the air flow is turned back and flows in the heat dissipation air duct, the flow speed of the air flow flowing through the straight pipe 111 and the elbow pipe 112 is changed, and further the air flow is compressed in the heat dissipation air duct, and heat is released in the air flow compression process, so that the heat dissipation of the air flow is accelerated.

It should be noted that, specific numbers of the straight pipes 111 and the bent pipes 112 are not limited, in the illustrated embodiment, the heat dissipation pipe 11 includes a plurality of sections of straight pipes 111 and a plurality of sections of bent pipes 112, and any two adjacent sections of straight pipes 111 are communicated through one bent pipe 112, so that the air flow is compressed in the heat dissipation air duct for multiple times, and the heat dissipation of the air flow is accelerated; and the heat dissipation pipe 11 is zigzag-shaped, so that the length of the heat dissipation pipe 11 can be lengthened in the same space, on one hand, the heat exchange area between the heat dissipation device 10 and the air flow is increased, on the other hand, the flowing time of the air flow in the heat dissipation air duct is prolonged, namely, the heat exchange time of the air flow is prolonged, so that the heat carried by the air flow can be fully transferred to the heat dissipation pipe 11, and then the heat is dissipated by the heat dissipation pipe 11.

Furthermore, after the airflow is compressed in the heat dissipation air duct and blown out from the air outlet, the high-pressure airflow is quickly diffused and absorbs heat, so that the absorption efficiency of the airflow on the heat generated by the electronic components and the circuit board in the closed cavity is improved.

Referring to fig. 1 and fig. 2, in some embodiments of the present invention, the heat dissipating housing 12 includes a top plate 125 and a surrounding edge 124, the surrounding edge 124 is disposed around an outer edge of the top plate 125, the surrounding edge 124 and the top plate 125 surround to form the air cavity 123, one end of the surrounding edge 124 away from the top plate 125 forms the air inlet, and the outer side wall of the surrounding edge 124 is provided with the air outlet 122 communicating with the air cavity 123. In the technical scheme of the present invention, an air cavity 123 is formed in the heat dissipation shell 12 for accommodating the impeller 13, and the impeller 13 rotates in the air cavity 123 to extract external high temperature air flow to enter the air cavity 123, and make the air flow in the air cavity 123 enter the heat dissipation air duct; in this embodiment, the heat dissipation shell 12 includes a surrounding edge 124 and a top plate 125, the surrounding edge 124 is along the periphery of the top plate 125 surrounds the setting, the surrounding edge 124 with the top plate 125 surrounds and forms the wind cavity 123, the surrounding edge 124 deviates from the one end of the top plate 125 forms the airflow inlet 121, the outer side wall of the surrounding edge 124 is provided with the communication of the airflow outlet 122 of the wind cavity 123, in this embodiment, the impeller 13 can be either an axial-flow impeller 13 or a centrifugal impeller, and only need to form wind pressure in the wind cavity 123.

Referring to fig. 4, in some embodiments of the present invention, the impeller 13 is a centrifugal impeller, and the impeller 13 includes a plurality of blades 131 arranged along the circumferential direction of the surrounding edge at intervals. The technical scheme of the utility model, heat dissipation shell 12 includes surrounding edge 124 and roof 125, surrounding edge 124 is followed the periphery of roof 125 is encircleed and is set up, surrounding edge 124 with roof 125 encloses and closes formation wind cavity 123, surrounding edge 124 deviates from the one end of roof 125 forms air inlet 121, the intercommunication has been seted up to the lateral wall of surrounding edge 124 wind cavity 123 air outlet 122, impeller 13 locates in the wind cavity 123, and rotate in the wind cavity 123 and produce the wind pressure, be used for extracting external air current and follow again air outlet 122 arranges in the heat dissipation wind channel. In this embodiment, the impeller 13 is a centrifugal impeller, the impeller 13 includes a plurality of blades 131 arranged at intervals along the circumferential direction of the peripheral edge 124, when the impeller 13 rotates, the airflow enters the impeller 13 from the axial direction of the impeller 13, and under the action of a centrifugal force generated when the impeller 13 rotates, the airflow is blown out from between any two adjacent blades 131; preferably, the airflow inlet 121 of the heat dissipation casing 12 is coaxial with the impeller 13, so that the airflow directly enters the impeller 13 from the airflow inlet 121, and then is blown out from between any two adjacent blades of the impeller 13 after the impeller 13 rotates, and directly flows to the airflow outlet 122, so as to increase the circulation efficiency of the airflow in the air cavity 123 and avoid the airflow from flowing around in the air cavity 123 to generate a large wind resistance.

Referring to fig. 2, in some embodiments of the present invention, the motor 14 is disposed on a side of the top plate 125 departing from the wind cavity 123, and the output shaft 141 of the motor 14 penetrates through the top plate 125 and extends into the wind cavity 123, and is fixedly connected to the impeller 13. In the technical scheme of the utility model, impeller 13 is centrifugal impeller, so that the air current is followed the air current entry 121 of heat dissipation shell 12 one end gets into wind chamber 123 follows again the air current export 122 on the surrounding edge 124 of heat dissipation shell 12 blows off. In this embodiment, the motor 14 is disposed on a side of the top plate 125 away from the air cavity 123, and an input shaft of the motor 14 is disposed through the top plate 125 and extends into the air cavity 123 to be in transmission connection with the impeller 13. The motor 14 drives the output shaft 141 to rotate, so as to drive the impeller 13 to rotate, and further, the air in the air cavity 123 is discharged into the heat dissipation pipe 11 from the air outlet 122 of the peripheral edge 124, so that a negative pressure is formed in the air cavity 123, and an external air flow is drawn from the air inlet 121.

Referring to fig. 4, in some embodiments of the present invention, the heat dissipation housing 12 is provided with a plurality of the airflow outlets 122, and the airflow outlets 122 are spaced around the outer sidewall of the surrounding edge 124; the heat dissipation device 10 is provided with a plurality of heat dissipation pipes 11, and the air inlet of each heat dissipation pipe 11 is communicated with one of the air outlets 122. In the technical scheme of the utility model, heat dissipation shell 12 with cooling tube 11 intercommunication, through impeller 13 in the heat dissipation shell 12 introduces the air current in the heat dissipation wind channel of cooling tube 11. In this embodiment, the heat dissipating shell 12 is provided with a plurality of air outlets 122, the heat dissipating device 10 is provided with a plurality of heat dissipating tubes 11, each of the heat dissipating tubes 11 is communicated with one of the air outlets 122, so that the air flow extracted by the heat dissipating device 10 is dispersed into the heat dissipating tubes 11, the speed of the air flow discharged from the air cavity 123 is increased, and the heat exchanging efficiency of the heat dissipating device 10 is further improved.

Referring to fig. 2, in some embodiments of the present invention, the heat dissipation device 10 further includes a gas collecting channel 15, one end of the gas collecting channel 15 is communicated with the airflow outlet 122, the other end of the gas collecting channel 15 is communicated with the air inlet, and the cross-sectional area of the gas collecting channel 15 gradually shrinks from the airflow outlet 122 to the airflow inlet 121. In the technical solution of the present invention, the fan assembly 13 is disposed in the heat dissipation casing 12 to draw external air flow from the air inlet and blow the external air flow from the air outlet 122 to the air inlet to enter the heat dissipation air duct; in this embodiment, a gas collecting hood 15 is disposed between the air outlet 122 and the air inlet, one end of the gas collecting hood 15 is communicated with the air outlet 122, the other end of the gas collecting hood 15 is communicated with the air inlet, and the cross-sectional area of the gas collecting hood 15 gradually shrinks from the air outlet 122 to the air inlet 121 along the air flow direction, so that the air flow is compressed in the process of entering the heat dissipation air duct in the heat dissipation pipe 11 from the air cavity 123 of the heat dissipation shell 12, and then the air flow releases heat in the compression process to dissipate heat.

Referring to fig. 1 to 3, in some embodiments of the present invention, the heat dissipation device 10 further includes an air outlet housing 16, and the air outlet housing 16 is communicated with the air outlet. In the technical scheme of the utility model, heat abstractor 10 locates casing 20 is outside, and pass through airflow inlet 121 with the air outlet with the inside intercommunication of casing 20, heat abstractor 10 will the inside high temperature air current of casing 20 is followed airflow inlet 121 introduces after heat dissipation in the heat dissipation wind channel, then follow the low temperature air current after the heat dissipation the air outlet is insufflated inside casing 20. In this embodiment, the heat dissipating device 10 further includes with the play wind cover 16 of the air outlet intercommunication of cooling tube 11, it is equipped with air inlet and gas outlet to go out the wind cover 16, the air inlet with cooling tube 11 intercommunication, the gas outlet is used for the casing 20 intercommunication with electronic equipment, go out the wind cover 16 with casing 20 fixed connection, through go out the adjustment of wind cover 16 the orientation of the air outlet 122 of heat dissipating device 10 to with casing 20 on different mounted position adaptations.

In some embodiments, the air outlet and the airflow inlet 121 are oriented in the same direction, so that the heat dissipation device 10 can be fixed to the same side of the housing 20 when being mounted on the housing 20, thereby simplifying the assembly and disassembly of the heat dissipation device 10.

The utility model discloses still provide an electronic equipment, electronic equipment includes casing 20 and any preceding embodiment heat abstractor 10, heat abstractor 10 locates casing 20 is outside, and pass through air inlet 121 with the air outlet with the inside intercommunication of casing 20, heat abstractor 10 will the inside high temperature air current of casing 20 is followed air inlet 121 introduces after dispelling the heat in the radiating wind channel, then follow the low temperature air current after dispelling the heat the air outlet insufflates inside casing 20.

The electronic device provided by the utility model can be but is not limited to a display device, a mobile phone, a camera, a video camera, a tablet personal computer and the like, wherein a circuit board is arranged in the electronic device, and a plurality of electronic components, such as a chip, a memory, a resistor and the like, are arranged on the circuit board; in the technical scheme of the utility model, in order to protect the circuit board and the electronic components from being damaged by external factors, a shell 20 is arranged in the electronic equipment, after the electronic equipment is assembled, a closed cavity is formed in the shell 20, the circuit board is arranged in the closed cavity, and when the electronic equipment works, heat generated by a plurality of electronic components is accumulated in the shell 20; the technical scheme of the utility model, heat abstractor 10 is fixed in casing 20 is outside, and passes through airflow inlet 121 with the air outlet with casing 20's airtight appearance chamber intercommunication, heat abstractor 10 is arranged in taking airtight high temperature air current that holds the chamber out for high temperature air current is outside airtight appearance chamber flow in heat abstractor 10's the heat dissipation wind channel and dispel the heat, then will cool down the low temperature air current along blowing back airtight appearance chamber is middle, makes with this airtight heat transfer that holds in the chamber is outside airtight appearance chamber, avoids the heat to gather in airtight appearance chamber, and then avoids among the electronic equipment the circuit board with electronic components temperature rise exceedes safe temperature range at the excessive speed, reduces electronic equipment's damage risk.

Because the utility model provides an electronic equipment has used whole technical scheme in all embodiments of aforementioned heat abstractor 10, consequently has all beneficial effects that bring among the technical scheme of above-mentioned embodiment at least, and it is here not redundant to describe.

The utility model also provides an integrated kitchen, integrated kitchen includes in the foregoing embodiment electronic equipment. The multifunctional kitchen appliance provided by the utility model integrates the functions of kitchen equipment such as a smoke exhaust ventilator, a gas stove, an induction cooker, a disinfection cabinet, a steaming and baking oven and the like, and the integrated kitchen is provided with electronic equipment such as display equipment, touch equipment and the like; in order to facilitate user operation, electronic equipment such as display equipment and touch equipment are mostly arranged above a cooker of the integrated cooker, oil smoke generated during cooking of the cooker rises upwards to easily corrode a circuit board of the electronic equipment, heat carried by the oil smoke can cause the temperature of the electronic equipment to rise too fast, and in order to prevent oil smoke vapor from contacting the circuit board, the circuit board needs to be subjected to full-sealing treatment, namely a shell 20 is arranged in the electronic equipment to form a closed cavity for accommodating the circuit board, but the full sealing can cause that the heat generated by internal electronic components cannot be dispersed, so that the temperature in the closed cavity rises rapidly; in this embodiment, the heat dissipation device 10 is fixed outside the housing 20 and is communicated with the sealed cavity of the housing 20 through the airflow inlet 121 and the air outlet, and the heat dissipation device 10 is configured to draw out a high-temperature airflow in the sealed cavity, so that the high-temperature airflow flows in a heat dissipation air duct of the heat dissipation device 10 outside the sealed cavity to dissipate heat, and then blows back the cooled low-temperature airflow into the sealed cavity, so that heat in the sealed cavity is transferred to the outside of the sealed cavity, thereby avoiding heat accumulation in the sealed cavity, further avoiding too fast temperature rise of the circuit board and the electronic components in the electronic device exceeding a safe temperature range, and reducing a damage risk of the electronic device.

Because the utility model provides an integrated kitchen has used the whole technical scheme of aforementioned heat abstractor 10 and aforementioned electronic equipment's all embodiments, consequently has all beneficial effects that bring among the technical scheme of above-mentioned embodiment at least, and it is here not different a repeated description.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. A heat dissipating device, comprising:

2. The heat dissipating device of claim 1, wherein said heat dissipating pipe comprises at least two straight pipes and an elbow pipe located between two adjacent straight pipes, and two ends of said elbow pipe are respectively connected to two adjacent straight pipes.

3. The heat dissipating device according to claim 1, wherein the heat dissipating shell includes a top plate and a surrounding edge, the surrounding edge is disposed around an outer edge of the top plate, the surrounding edge and the top plate surround to form the air chamber, an end of the surrounding edge facing away from the top plate forms the air inlet, and an outer side wall of the surrounding edge is opened with the air outlet communicating with the air chamber.

4. The heat sink of claim 3, wherein the impeller is a centrifugal impeller comprising a plurality of blades spaced circumferentially along the peripheral edge.

5. The heat dissipation device of claim 4, further comprising a motor disposed on a side of the top plate away from the air chamber, wherein an output shaft of the motor penetrates through the top plate and extends into the impeller, and is fixedly connected to the impeller.

6. The heat dissipating device of claim 3, wherein said heat dissipating housing defines a plurality of said airflow outlets spaced around an outer sidewall of said perimeter;

7. The heat dissipating device of claim 1, further comprising a gas collecting hood disposed at the airflow outlet, wherein an end of the gas collecting hood facing away from the airflow outlet is communicated with the air inlet, and a cross-sectional area of the gas collecting hood gradually decreases along an air outlet direction of the airflow outlet.

8. The heat dissipating device of any one of claims 1 to 7, further comprising an outlet housing, wherein the outlet housing is in communication with the outlet opening.

9. An electronic apparatus, comprising a housing and the heat dissipating device of any one of claims 1 to 8;

10. An integrated cooker, characterized in that it comprises an electronic device as claimed in claim 9.