CN112165833A - Heat dissipation system and display device - Google Patents
Heat dissipation system and display device Download PDFInfo
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- CN112165833A CN112165833A CN202011064901.9A CN202011064901A CN112165833A CN 112165833 A CN112165833 A CN 112165833A CN 202011064901 A CN202011064901 A CN 202011064901A CN 112165833 A CN112165833 A CN 112165833A
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- air
- rod
- holes
- sliding rod
- heat
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a heat dissipation system and a display device, and relates to the technical field of display, wherein the heat dissipation system comprises: the base assembly comprises an air rod, a heat transfer device and an air supply device, the heat transfer device is connected with the air rod, the air supply device is connected with the air rod, and the air supply device comprises a plurality of first air outlets; the sliding rod component comprises an outer cover and a sliding rod which are connected, the sliding rod is positioned in the air rod, the outer cover comprises a plurality of second air outlets, and the outer cover shields part of the first air outlets; the blowing assembly is connected with the air supply device; the air in the air rod and at the two ends of the sliding rod pushes the sliding rod to move according to the temperature change, so that part of the second air outlet is communicated with part of the first air outlet. The invention can realize the independent heat dissipation of the higher-temperature area in the heat-dissipated device without arranging a detection device.
Description
Technical Field
The invention relates to the technical field of display, in particular to a heat dissipation system and a display device.
Background
With the increase of the functions of electronic products, the requirements on the display screen are increased, and the pursuit of brightness and color also means that the power consumption is increased along with the increase of the temperature of the display screen, so that the temperature of an LED chip is overhigh if heat in the display screen cannot be dissipated in time, and the service life, the luminous efficiency and the stability of an LED are influenced; meanwhile, too high temperature can change the electro-optical performance of the liquid crystal display panel, and the use of the whole product is influenced.
The existing heat dissipation technology is mostly an active heat dissipation technology, namely, active heat dissipation equipment such as a fan is additionally installed from the whole heat dissipation angle, but the heat dissipation of the display screen is mostly concentrated in the middle of the display screen or determined along with the position of display content, and the cost is increased while the problem of local heat dissipation cannot be better solved according to the whole heat dissipation. Because the air-out fixed position also can't make corresponding countermeasure to the condition that the product changes that generates heat, the radiating efficiency is low to influence the radiating effect. Or, detect the temperature of display screen through setting up detection device in the existing design, adjust control according to detecting structure control chip to the air-out position again, the structure is complicated, has also improved the increase of cost simultaneously.
Disclosure of Invention
In view of this, the present invention provides a heat dissipation system and a display device, which can independently dissipate heat from a higher temperature region of a heat-dissipated device without providing a detection device.
In a first aspect, the present invention provides a heat dissipation system, comprising: the base assembly comprises an air rod, a heat transfer device and an air supply device, the heat transfer device is connected with the air rod, the air supply device is connected with the air rod, and the air supply device comprises a plurality of first air outlets; the sliding rod component comprises an outer cover and a sliding rod which are connected, the sliding rod is positioned in the air rod, the outer cover comprises a plurality of second air outlets, and the outer cover shields part of the first air outlets; the blowing assembly is connected with the air supply device; the air in the air rod and at the two ends of the sliding rod pushes the sliding rod to move according to the temperature change, so that part of the second air outlet is communicated with part of the first air outlet.
In a second aspect, the present invention provides a display device, including the heat dissipation system provided by the present invention; the display device further comprises a display panel, the heat dissipation system is located on one side of the display panel, which is far away from the light-emitting surface of the display panel, and the display panel and the heat transfer device are at least partially overlapped in a direction perpendicular to the light-emitting surface of the display panel.
Compared with the prior art, the heat dissipation system and the display device provided by the invention at least realize the following beneficial effects:
the heat dissipation system provided by the invention comprises a base assembly, a sliding rod assembly and a blowing assembly. The heat transfer device in the base component is connected with the air rod, the air supply device is connected with the air rod, and the sliding rod in the sliding rod component is positioned in the air rod. The heat transfer device is arranged in the base assembly and used for transmitting local heat of the heat dissipation device to the air rod, two ends of the sliding rod inside the air rod form a sealed space, air exists in the sealed space, and the air at the two ends of the sliding rod pushes the sliding rod to move according to temperature change. The air blowing assembly is connected with the air supply device, the air blowing assembly can transmit air to the air supply device, the air supply device comprises a plurality of first air outlets, the outer cover and the sliding rod are fixedly connected in the sliding rod assembly, the outer cover comprises a plurality of second air outlets, the outer cover shields part of the first air outlets, and the first air outlets shielded by the outer cover cannot blow air. The air at the both ends of slide bar promotes the slide bar motion according to temperature variation, the dustcoat is fixed connection mutually with the slide bar, the dustcoat includes a plurality of second air outlets, the motion of slide bar drives the motion of dustcoat, make part second air outlet link up with part first air outlet mutually, first air outlet that link up mutually with the second air outlet, and the first air outlet that is not sheltered from by the dustcoat all can carry out the heat dissipation of blowing, thereby when being overheated by heat abstractor's local temperature, the air-out position can remove to this region, thereby more pertinent solution is by the too high problem of heat abstractor local temperature. Meanwhile, because a temperature detection device is not needed, the heat dissipation system provided by the invention does not adopt other electronic parts except the blowing assembly, is simple and reliable, has low failure rate, and effectively reduces the cost.
Of course, it is not necessary for any product in which the present invention is practiced to specifically achieve all of the above-described technical effects simultaneously.
Other features of the present invention and advantages thereof will become apparent from the following detailed description of exemplary embodiments thereof, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic structural diagram of a heat dissipation system provided in the present invention;
FIG. 2 is a schematic diagram of the internal structure of the heat dissipation system of FIG. 1;
FIG. 3 is an exploded view of the slide bar assembly and air bar of the heat dissipation system of FIG. 1;
FIG. 4 is a schematic view of a state of a sliding rod in an air rod in the heat dissipation system provided by the present invention;
FIG. 5 is a schematic view of another state of the sliding rod inside the air rod in the heat dissipation system provided by the present invention;
FIG. 6 is a schematic view of a slide bar inside an air bar in the heat dissipation system of the present invention;
FIG. 7 is a schematic diagram of a position of the housing and the exhaust pipe in the heat dissipation system of the present invention;
FIG. 8 is a schematic view of another position of the housing and the exhaust pipe in the heat dissipation system of the present invention;
FIG. 9 is a schematic view of another position of the housing and the exhaust pipe in the heat dissipation system of the present invention;
FIG. 10 is a schematic structural diagram of an exhaust pipe in the heat dissipation system of the present invention;
FIG. 11 is a schematic view of a housing of the heat dissipation system of the present invention;
FIG. 12 is an exploded view of the heat dissipation system of FIG. 1;
fig. 13 is a schematic plan view of a display device according to the present invention.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that: the relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise.
The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Fig. 1 is a schematic structural diagram of a heat dissipation system provided by the present invention, fig. 2 is a schematic structural diagram of an interior of the heat dissipation system shown in fig. 1, fig. 3 is an exploded view of a sliding rod assembly and an air rod in the heat dissipation system shown in fig. 1, and referring to fig. 1 to fig. 3, the present embodiment provides a heat dissipation system including:
the air conditioner comprises a base assembly 10, wherein the base assembly 10 comprises an air rod 11, a heat transfer device 12 and an air supply device 13, the heat transfer device 12 is connected with the air rod 11, the air supply device 13 is connected with the air rod 11, and the air supply device 13 comprises a plurality of first air outlets 131;
the sliding rod assembly 20 comprises an outer cover 21 and a sliding rod 22 which are connected, the sliding rod 22 is positioned in the air rod 11, the outer cover 21 comprises a plurality of second air outlets 211, and the outer cover 21 shields part of the first air outlets 131;
the blowing assembly 30 is connected with the air supply device 13;
the air in the air rod 11 and at the two ends of the sliding rod 22 pushes the sliding rod 22 to move according to the temperature change, so that part of the second air outlet 211 is communicated with part of the first air outlet 131.
Specifically, referring to fig. 1 to 3, the heat dissipation system provided in the present embodiment includes a base assembly 10, a sliding rod assembly 20, and a blower assembly 30. The heat transfer device 12 in the base assembly 10 is connected with the air rod 11, the air supply device 13 is connected with the air rod 11, and the sliding rod 22 in the sliding rod assembly 20 is positioned in the air rod 11. The heat transfer device 12 in the base assembly 10 is used for transferring local heat of a heat-dissipated device into the air rod 11, two ends of the sliding rod 22 inside the air rod 11 form a sealed space, air exists in the sealed space, and the air at two ends of the sliding rod 22 pushes the sliding rod 22 to move according to temperature changes.
The blowing component 30 is connected with the air supply device 13, the blowing component 30 can transmit air into the air supply device 13, the air supply device 13 comprises a plurality of first air outlets 131, the outer cover 21 and the sliding rod 22 in the sliding rod component 20 are fixedly connected, the outer cover 21 comprises a plurality of second air outlets 211, the outer cover 21 shields part of the first air outlets 131, and the first air outlets 131 shielded by the outer cover 21 cannot blow air. The air at the two ends of the sliding rod 22 pushes the sliding rod 22 to move according to the temperature change, the outer cover 21 is fixedly connected with the sliding rod 22, the outer cover 21 comprises a plurality of second air outlets 211, the movement of the sliding rod 22 drives the outer cover 21 to move, so that part of the second air outlets 211 are communicated with part of the first air outlets 131, the first air outlets 131 communicated with the second air outlets 211 and the first air outlets 131 which are not shielded by the outer cover 21 can perform air blowing and heat dissipation, when the local temperature of the heat dissipation device is overheated, the air outlet position can be moved to the area, and the problem that the local temperature of the heat dissipation device is overhigh is solved in a more targeted manner. Meanwhile, because a temperature detection device is not needed, the heat dissipation system provided by the invention does not adopt other electronic parts except the blowing assembly 30, is simple and reliable, has low failure rate, and effectively reduces the cost.
Specifically, referring to fig. 4 to 6, fig. 4 is a schematic view illustrating a state of a sliding rod in an air rod in a heat dissipation system provided by the present invention, fig. 5 is a schematic view illustrating another state of a sliding rod in an air rod in a heat dissipation system provided by the present invention, and fig. 6 is a schematic view illustrating another state of a sliding rod in an air rod in a heat dissipation system provided by the present invention. When the temperature of one side of the heat-dissipated device is overheated, the heat-transfer device 12 transfers the heat of the side to the air on the same side of the slide bar 22 in the air bar 11, the air on the side is heated and expanded, so that an air pressure difference is generated between the air on the two sides of the slide bar 22 in the air bar 11, the slide bar 22 is pushed to move towards the opposite direction of the side with the overheated temperature in the heat-dissipated device, the movement of the slide bar 22 drives the movement of the outer cover 21, so that the outer cover 21 moves towards the opposite direction of the side with the overheated temperature in the heat-dissipated device, a part of the first air outlet 131 on the same side with the overheated temperature in the heat-dissipated device is not shielded by the outer cover 21, and a part of the first air outlet 131 on the same side with the overheated temperature in the heat-dissipated device is communicated with the second air outlet 211, so as to. When the middle temperature of the heat-dissipated device is overheated, the air pressures of the air on the two sides of the sliding rod 22 in the air rod 11 tend to be consistent, and the sliding rod 22 is located at the middle position of the air rod 11 (corresponding to the temperature overheating position of the heat-dissipated device), so that the first air outlet 131 and the second air outlet 211 corresponding to the temperature overheating position in the heat-dissipated device are communicated, and the air-blowing heat dissipation can be performed on the temperature overheating in the heat-dissipated device. The invention utilizes the principle of gas expansion and heating, and combines with a mechanism capable of relative motion to realize that the air outlet position can be automatically adjusted, when the local temperature in the radiated device is overhigh, the air outlet position can be moved to the area, thereby more pertinently solving the problem of overhigh local temperature of the radiated device.
With continued reference to fig. 1-3, optionally, the air supply device 13 includes an air blowing cover 132 and an exhaust pipe 133, one end of the air blowing cover 132 is connected to an air inlet of the exhaust pipe 133, the other end of the air blowing cover 132 is connected to the air blowing assembly 30, and the first air outlet 131 is located on a side of the exhaust pipe 133 away from the air blowing cover 132;
the outer cover 21 is fitted to the outside of the exhaust pipe 133.
Specifically, one end of the blowing cover 132 is connected to an air inlet of the exhaust pipe 133, the other end of the blowing cover 132 is connected to the blowing assembly 30, the first air outlet 131 is located on one side of the exhaust pipe 133 away from the blowing cover 132, air formed by the blowing assembly 30 is transmitted into the exhaust pipe 133 through the blowing cover 132, the outer cover 21 is sleeved outside the exhaust pipe 133, and the first air outlet 131 is communicated with the second air outlet 211 and the first air outlet 131 is not shielded by the outer cover 21 to perform blowing heat dissipation.
Alternatively, the blowing assembly 30 may be a fan assembly.
Referring to fig. 7 to 10, fig. 7 is a schematic diagram illustrating a position of a housing and an exhaust pipe in a heat dissipation system provided by the present invention, fig. 8 is a schematic diagram illustrating another position of the housing and the exhaust pipe in the heat dissipation system provided by the present invention, fig. 9 is a schematic diagram illustrating another position of the housing and the exhaust pipe in the heat dissipation system provided by the present invention, and fig. 10 is a schematic diagram illustrating a structure of the exhaust pipe in the heat dissipation system provided by the present invention. Optionally, wherein the exhaust pipe 133 extends along the first direction X;
the first air outlet 131 comprises a first hole group 131A and a second hole group 131B, the first hole group 131A comprises a plurality of first holes 1311 arranged at equal intervals along the first direction X, the second hole group 131B comprises a plurality of second holes 1312 arranged at equal intervals along the first direction X, and the first hole group 131A is positioned on the side, away from the air rod 11, of the second hole group 131B;
the extension direction of a connecting line between the center of the first hole 1311 and the center of the second hole 1312 closest thereto intersects the first direction X and is not perpendicular thereto;
in the first direction X, there is no overlap between the first hole 1311 and the second hole 1312;
the second air outlet 211 comprises a third hole group 211A and two fourth hole groups 211B, the third hole group 211A comprises a plurality of third holes 2111 arranged at equal intervals along the first direction X, the fourth hole group 211B comprises a plurality of fourth holes 2112 arranged at equal intervals along the first direction X, and the third hole group 211A is positioned on the side of the fourth hole group 211B far away from the air rod 11;
in the first direction X, two fourth hole groups 211B are located on both sides of the third hole group 211A;
the pitch between two adjacent first holes 1311, the pitch between two adjacent second holes 1312, the pitch between two adjacent third holes 2111, and the pitch between two adjacent fourth holes 2112 in the same fourth hole group 211B are all the same;
when the first holes 1311 and the third holes 2111 correspond to each other one by one, and the first holes 1311 communicate with the third holes 2111 corresponding thereto, the second holes 1312 and the fourth holes 2112 are misaligned.
Specifically, with continued reference to fig. 7-10, the first outlet 131 includes a first hole group 131A and a second hole group 131B, the first hole group 131A includes a plurality of first holes 1311 arranged at equal intervals along the first direction X, the second hole group 131B includes a plurality of second holes 1312 arranged at equal intervals along the first direction X, and the first hole group 131A is located on a side of the second hole group 131B away from the gas lever 11; an extension direction of a connecting line between the center of the first hole 1311 and the center of the second hole 1312 closest to the center of the first hole 1311 intersects the first direction X and is not perpendicular to the first direction X, that is, the first hole 1311 and the second hole 1312 are spaced apart from each other.
The second air outlet 211 comprises a third hole group 211A and two fourth hole groups 211B, in the first direction X, the two fourth hole groups 211B are located at two sides of the third hole group 211A, the third hole group 211A comprises a plurality of third holes 2111 arranged at equal intervals along the first direction X, the fourth hole group 211B comprises a plurality of fourth holes 2112 arranged at equal intervals along the first direction X, and the third hole group 211A is located at one side of the fourth hole group 211B far away from the gas lever 11.
The extension direction of a line connecting the center of the first hole 1311 and the center of the second hole 1312 closest thereto intersects the first direction X and is not perpendicular thereto, and the first hole 1311 and the second hole 1312 do not overlap in the first direction X. When the first hole 1311 is communicated with the third hole 2111 corresponding thereto, the second hole 1312 and the fourth hole 2112 are displaced, and when the second hole 1312 is communicated with the fourth hole 2112 corresponding thereto, the first hole 1311 and the third hole 2111 are displaced.
Referring to fig. 1-10, when one side of the heat sink is overheated, the heat transfer device 12 transfers the heat of the side to the air on the same side of the sliding rod 22 in the air rod 11, the air on the side is heated and expanded, so that air pressure difference is generated between the air on the two sides of the sliding rod 22 in the air rod 11, the sliding rod 22 is pushed to move towards the direction opposite to the side with the overheated temperature in the heat-dissipated device, the movement of the sliding rod 22 drives the movement of the outer cover 21, so that the outer cover 21 moves towards the opposite direction of the overheated side of the heat-dissipated device, so that the part of the first air outlet 131 on the same side of the overheated side of the heat-dissipated device is not shielded by the outer cover 21, the second holes 1312 and the corresponding fourth holes 2112 on the same side of the device to be cooled where the temperature is too hot are communicated, so that the heat can be blown to and dissipated from the side of the device to be cooled where the temperature is too hot.
When the middle temperature of the heat-dissipated device is overheated, the air pressures of the air on the two sides of the sliding rod 22 in the air rod 11 tend to be consistent, the sliding rod 22 is located at the middle position of the air rod 11 (corresponding to the temperature overheating position of the heat-dissipated device), so that the first hole 1311 corresponding to the temperature overheating position in the heat-dissipated device is communicated with the third hole 2111 corresponding to the first hole, and the heat-dissipated device can be blown to dissipate the temperature overheating in the heat-dissipated device.
With continued reference to fig. 7-10, optionally, wherein first bore 1311, second bore 1312, and fourth bore 2112 are all round bores;
in the first direction X, at least two third holes 2111 respectively located on both sides of the housing 21 are oblong holes, and the remaining third holes 2111 are circular holes.
Specifically, in the first direction X, at least two third holes 2111 located on both sides of the cover 21 are oblong holes, and the oblong holes may be communicated with the first hole 1311 or the second hole 1312.
It should be noted that, in fig. 7 to 9, it is exemplarily shown that, in the first direction X, one third hole 2111 located at both sides of the outer cover 21 is an elongated hole, in other embodiments of the present invention, another third hole 2111 may also be provided as an elongated hole, and the present invention is not described herein again.
With continued reference to fig. 1-3, optionally, a chute 111 is provided on a side of the air rod 11 away from the blower housing 132;
the sliding rod assembly 20 further comprises a positioning pin 23 and a first screw 24, the positioning pin 23 is connected with the sliding rod 22 through a via hole, and the positioning pin 23 penetrates through the sliding groove 111;
the cover 21 is connected to the positioning pin 23 by a first screw 24.
Specifically, the slide bar assembly 20 further includes a positioning pin 23 and a first screw 24, the positioning pin 23 is fixedly connected to the slide bar 22 through a via hole, the outer cover 21 is fixedly connected to the positioning pin 23 through the first screw 24, the slide bar 22 is located in the air rod 11, a sliding groove 111 is formed in one side of the air rod 11, which is far away from the blower cover 132, and the positioning pin 23 penetrates through the sliding groove 111, so that the outer cover 21 is driven to move through the movement of the slide bar 22.
With continued reference to fig. 1-3, optionally, the slide bar 22 is provided with blind holes at both ends.
Specifically, the blind holes are formed in the two ends of the sliding rod 22, so that the weight of the sliding rod 22 is effectively reduced, and the sliding of the sliding rod 22 in the air rod 11 is facilitated. It can be understood that, in the embodiment, blind holes are exemplarily formed at two ends of the sliding rod 22 to reduce the weight of the sliding rod 22, in other embodiments of the present invention, the weight of the sliding rod 22 can be reduced in other manners, for example, the sliding rod 22 can be made of a lighter material, and the inside of the sliding rod 22 can also be hollow, and the present invention is not described herein again.
Fig. 11 is a schematic structural diagram of the housing in the heat dissipation system provided by the present invention, referring to fig. 3 and fig. 11, optionally, wherein, the inner wall of the housing 21 protrudes toward the accommodating space formed inside the housing 21 to form a plurality of protrusions 212, the extending direction of the protrusions 212 is the same as the moving direction of the sliding rod 22, and the cross section of the protrusions 212 is semicircular.
Specifically, with continued reference to fig. 3 and 11, the inner wall of the outer cover 21 is provided with a plurality of protrusions 212, the extending direction of the protrusions 212 is the same as the moving direction of the sliding rod 22, and the cross section of each protrusion 212 is semicircular, so that the contact area between the inner wall of the outer cover 21 and the exhaust pipe 133 is effectively reduced, the friction force between the inner wall of the outer cover 21 and the exhaust pipe 133 is effectively reduced, and the sliding of the outer cover 21 on the exhaust pipe 133 is facilitated.
With continued reference to fig. 1 and 2, optionally, wherein the heat transfer device 12 includes a plurality of heat pipes 121, the heat pipes 121 extending along a second direction Y and being aligned along a first direction X, wherein the first direction X and the second direction Y intersect;
the air rod 11 extends in the first direction X, and one end of the heat pipe 121 is connected to the air rod 11.
Specifically, the heat transfer device 12 includes a plurality of heat pipes 121 extending along the second direction Y and arranged along the first direction X, the air rod 11 extends along the first direction X, one end of each heat pipe 121 is connected to the air rod 11, and the heat pipes 121 in the heat transfer device 12 transmit local heat of the heat-dissipated device into the air rod 11. Alternatively, one end of the heat pipe 121 may be fixedly connected to the air rod 11 by welding.
Fig. 12 is an exploded view of the heat dissipation system of fig. 1, with reference to fig. 1, 2 and 12, and optionally wherein the base assembly 10 further includes a base 14 and a cover 15;
the other end of the heat pipe 121 is connected to the base 14;
the blowing assembly 30 comprises a fan 31 and a second screw 32, wherein the fan 31 is connected with the base 14 through the second screw 32;
the blower assembly 30 and the blower housing 132 are both located within a cavity formed by the cover plate 15 and the base 14.
Specifically, with continued reference to fig. 1, 2 and 12, the base assembly 10 further includes a base 14 and a cover 15, and the blower assembly 30 and the blower housing 132 are both located within a cavity formed by the cover 15 and the base 14. The base 14 and the cover 15 can both protect the blowing assembly 30 and the blowing cover 132, and the placement of the heat-dissipated device is facilitated by the arrangement of the base 14 and the cover 15.
The heat pipe 121 may be fixedly connected to the base 14 by glue. The fan 31 of the blowing assembly 30 is fixedly connected with the base 14 through a second screw 32.
With continued reference to fig. 1, 2, and 12, optionally, wherein the air bar 11, the air supply device 20, the slide bar assembly 20, and the air blowing assembly 30 are all located on a first side 141 of the base 14, and each heat pipe 121 is at least partially located on a second side (not shown) of the base 14;
the first side 141 is disposed opposite to the second side in a direction perpendicular to the plane of the base 14.
Specifically, the first side 141 of the base 14 is disposed opposite to the second side in a direction perpendicular to the plane of the base 14, and is not shown in fig. 1 and 12 since the second side is located at the bottom of the base 14 in fig. 1 and 12. The air rod 11, the air supply device 13, the sliding rod assembly 20 and the blowing assembly 30 are all located on a first side 141 of the base 14, the device to be cooled can be arranged on the first side 141 of the base 14, the device to be cooled can be locally cooled through the air supply device 13, the sliding rod assembly 20 and the blowing assembly 30, each heat pipe 121 is at least partially located on a second side of the base 14, and heat of the device to be cooled is transmitted through the heat pipe 121.
Referring to fig. 1-3 and 12, optionally, the base assembly 10 further includes a plug 16 and a third screw 17, and both ends of the air rod 11 and both ends of the air discharge pipe 133 are connected to the base 14 through the plug 16 and the third screw 17.
Specifically, the two ends of the gas rod 11 and the two ends of the exhaust pipe 133 are connected with the base 14 through the plugs 16 and the third screws 17, so that the structural stability of the whole body is effectively improved.
Referring to fig. 1-6, alternatively, the sliding rod 22 has a diameter smaller than or equal to the diameter of the inner wall of the air rod 11, and the length of the sliding rod 22 is smaller than the length of the cavity in the air rod 11.
Specifically, the diameter of the sliding rod 22 is smaller than or equal to the diameter of the inner wall of the air rod 11, and the length of the sliding rod 22 is smaller than the length of the cavity in the air rod 11, so that the sliding of the sliding rod 22 in the air rod 11 can be realized.
Referring to fig. 1-3 and 7-9, alternatively, the length of the housing 21 is less than the length of the exhaust pipe 133.
Specifically, in the first direction X, the length of the housing 21 is smaller than the length of the exhaust pipe 133, thereby enabling the housing 21 to slide on the exhaust pipe 133.
It can be understood that the length of the housing 21 and the length of the exhaust pipe 133 can be set according to actual production requirements, and it is only necessary that the length of the housing 21 is smaller than the length of the exhaust pipe 133.
Referring to fig. 13, fig. 13 is a schematic plan view of a display device according to the present invention. The present embodiment provides a display device 1000, including the heat dissipation system 100 according to any of the above embodiments of the present invention; the display device further includes a display panel 200, the heat dissipation system 100 is located on a side of the display panel 200 away from the light exit surface of the display panel 200, in a direction perpendicular to the light exit surface of the display panel 200, the display panel 200 and the heat transfer device 100 are at least partially overlapped, and the heat dissipation system 100 dissipates heat to a locally overheated area in the display panel 200. The embodiment of fig. 13 is only an example of a mobile phone, and the display device 1000 is described, it is to be understood that the display device provided in the embodiment of the present invention may be other display devices with a display function, such as a computer, a television, and a vehicle-mounted display device, and the present invention is not limited thereto. The display device provided in the embodiment of the present invention has the beneficial effects of the cooling system provided in the embodiment of the present invention, and specific reference may be made to the specific description of the cooling system in the foregoing embodiments, which is not repeated herein.
Referring to fig. 1 to 3 and 13, in a direction perpendicular to a light emitting surface of the display panel 200, the display panel 200 overlaps the heat transfer device 12 of the heat transfer device 100, the heat of the displayed panel 200 is transferred into the air bar 11 by the heat transfer means 12, both ends of the sliding rod 22 form a sealed space inside the air bar 11, air exists in the sealed space, the air at the two ends of the sliding rod 22 pushes the sliding rod 22 to move according to the temperature change, the movement of the sliding rod 22 drives the outer cover 21 to move, so that part of the second air outlet 211 is communicated with part of the first air outlet 131, the first air outlet 131 communicated with the second air outlet 211 and the first air outlet 131 not covered by the housing 21 can both perform air blowing and heat dissipation, therefore, when the local temperature of the display panel 200 is overheated, the air outlet position can be moved to the area, and the problem of overhigh local temperature of the display panel is solved in a more targeted manner.
With continued reference to fig. 1-3 and 13, optionally, wherein the material of the heat transfer device 12 is metal, and the heat transfer device 12 is reused as a metal shielding film of the display panel 200.
Specifically, the heat transfer device 12 is made of metal, so as to transmit the temperature more quickly, thereby effectively improving the efficiency of the heat dissipation system 100 in dissipating the heat from the locally overheated area of the display panel 200. And the heat transfer device 12 may be reused as a metal shielding film of the display panel 200, reducing the production cost, and effectively reducing the thickness of the display device.
With continued reference to fig. 1-3 and 13, optionally, the display device further includes a driving chip (not shown in the figures) for providing signals to the display panel 200, and the driving chip for providing electrical signals to the blowing assembly 30.
Specifically, the display device further includes a driving chip, and the driving chip provides a signal to the display panel 200 for displaying on the display panel 200. And an electric signal is provided to the blowing assembly 30 through the driving chip, and when the local temperature in the display panel is too high, the blowing assembly 30 operates.
By the embodiment, the heat dissipation system and the display device provided by the invention at least realize the following beneficial effects:
the heat dissipation system provided by the invention comprises a base assembly, a sliding rod assembly and a blowing assembly. The heat transfer device in the base component is connected with the air rod, the air supply device is connected with the air rod, and the sliding rod in the sliding rod component is positioned in the air rod. The heat transfer device is arranged in the base assembly and used for transmitting local heat of the heat dissipation device to the air rod, two ends of the sliding rod inside the air rod form a sealed space, air exists in the sealed space, and the air at the two ends of the sliding rod pushes the sliding rod to move according to temperature change. The air blowing assembly is connected with the air supply device, the air blowing assembly can transmit air to the air supply device, the air supply device comprises a plurality of first air outlets, the outer cover and the sliding rod are fixedly connected in the sliding rod assembly, the outer cover comprises a plurality of second air outlets, the outer cover shields part of the first air outlets, and the first air outlets shielded by the outer cover cannot blow air. The air at the both ends of slide bar promotes the slide bar motion according to temperature variation, the dustcoat is fixed connection mutually with the slide bar, the dustcoat includes a plurality of second air outlets, the motion of slide bar drives the motion of dustcoat, make part second air outlet link up with part first air outlet mutually, first air outlet that link up mutually with the second air outlet, and the first air outlet that is not sheltered from by the dustcoat all can carry out the heat dissipation of blowing, thereby when being overheated by heat abstractor's local temperature, the air-out position can remove to this region, thereby more pertinent solution is by the too high problem of heat abstractor local temperature. Meanwhile, because a temperature detection device is not needed, the heat dissipation system provided by the invention does not adopt other electronic parts except the blowing assembly, is simple and reliable, has low failure rate, and effectively reduces the cost.
Although some specific embodiments of the present invention have been described in detail by way of examples, it should be understood by those skilled in the art that the above examples are for illustrative purposes only and are not intended to limit the scope of the present invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (16)
1. A heat dissipation system, comprising:
the base assembly comprises an air rod, a heat transfer device and an air supply device, the heat transfer device is connected with the air rod, the air supply device is connected with the air rod, and the air supply device comprises a plurality of first air outlets;
the sliding rod assembly comprises an outer cover and a sliding rod which are connected, the sliding rod is positioned in the air rod, the outer cover comprises a plurality of second air outlets, and the outer cover shields part of the first air outlets;
the blowing assembly is connected with the air supply device;
and the air in the air rod and at the two ends of the sliding rod pushes the sliding rod to move according to the temperature change, so that part of the second air outlet is communicated with part of the first air outlet.
2. The heat dissipating system of claim 1,
the air supply device comprises an air blowing cover and an exhaust pipe, one end of the air blowing cover is connected with an air inlet of the exhaust pipe, the other end of the air blowing cover is connected with the air blowing assembly, and the first air outlet is located on one side, far away from the air blowing cover, of the exhaust pipe;
the outer cover is sleeved outside the exhaust pipe.
3. The heat dissipating system of claim 2,
the exhaust pipe extends along a first direction;
the first air outlet comprises a first hole group and a second hole group, the first hole group comprises a plurality of first holes which are arranged at equal intervals along the first direction, the second hole group comprises a plurality of second holes which are arranged at equal intervals along the first direction, and the first hole group is positioned on one side of the second hole group, which is far away from the air rod;
the extending direction of a connecting line between the center of the first hole and the center of the second hole closest to the center of the first hole is intersected with the first direction and is not vertical to the first direction;
in the first direction, the first hole and the second hole do not overlap;
the second air outlet comprises a third hole group and two fourth hole groups, the third hole group comprises a plurality of third holes which are arranged at equal intervals along the first direction, the fourth hole group comprises a plurality of fourth holes which are arranged at equal intervals along the first direction, and the third hole group is positioned on one side, away from the air lever, of the fourth hole group;
in the first direction, two of the fourth aperture groups are located on either side of the third aperture group;
the distance between two adjacent first holes, the distance between two adjacent second holes, the distance between two adjacent third holes, and the distances between two adjacent fourth holes in the same fourth hole group are the same;
when the first holes correspond to the third holes one to one and the first holes are communicated with the third holes corresponding to the first holes, the second holes and the fourth holes are staggered.
4. The heat dissipating system of claim 3,
the first hole, the second hole and the fourth hole are all round holes;
in the first direction, at least two third holes respectively positioned at two sides of the outer cover are long round holes, and the rest third holes are round holes.
5. The heat dissipating system of claim 2,
a sliding groove is formed in one side, away from the air blowing cover, of the air rod;
the sliding rod assembly further comprises a positioning pin and a first screw, the positioning pin is connected with the sliding rod through a through hole, and the positioning pin penetrates through the sliding groove;
the outer cover is connected with the positioning pin through the first screw.
6. The heat dissipating system of claim 5,
and blind holes are formed in the two ends of the sliding rod.
7. The heat dissipating system of claim 5,
the inner wall of the outer cover protrudes towards an accommodating space formed inside the outer cover to form a plurality of protrusions, the extending direction of the protrusions is the same as the moving direction of the sliding rod, and the cross section of each protrusion is semicircular.
8. The heat dissipating system of claim 2,
the heat transfer device comprises a plurality of heat pipes extending along a second direction and arranged along a first direction, wherein the first direction and the second direction intersect;
the air rod extends along the first direction, and one end of the heat pipe is connected with the air rod.
9. The heat dissipating system of claim 8,
the base assembly further comprises a base and a cover plate;
the other end of the heat pipe is connected with the base;
the blowing assembly comprises a fan and a second screw, and the fan is connected with the base through the second screw;
the blowing assembly and the blowing cover are both positioned in a cavity formed by the cover plate and the base.
10. The heat dissipating system of claim 9,
the air rod, the air supply device, the sliding rod assembly and the air blowing assembly are all positioned on a first side of the base, and each heat pipe is at least partially positioned on a second side of the base;
in a direction perpendicular to the plane of the base, the first side is opposite to the second side.
11. The heat dissipating system of claim 8,
the base component further comprises a plug and a third screw, and the two ends of the gas rod and the two ends of the exhaust pipe are connected with the base through the plug and the third screw.
12. The heat dissipating system of claim 1,
the diameter of the sliding rod is smaller than or equal to that of the inner wall of the air rod, and the length of the sliding rod is smaller than that of the cavity in the air rod.
13. The heat dissipating system of claim 2,
the length of the housing is less than the length of the exhaust pipe.
14. A display device comprising the heat dissipation system of any one of claims 1-13;
the display device further comprises a display panel, the heat dissipation system is located on one side, away from the light emitting surface of the display panel, and the display panel and the heat transfer device are at least partially overlapped in the direction perpendicular to the light emitting surface of the display panel.
15. The display device according to claim 14,
the material of the heat transfer device is metal, and the heat transfer device is reused as a metal shielding film of the display panel.
16. The display device according to claim 14,
the display device further comprises a driving chip, wherein the driving chip is used for providing signals for the display panel, and the driving chip is used for providing electric signals for the blowing assembly.
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| CN113539112A (en) * | 2021-07-30 | 2021-10-22 | 上海天马微电子有限公司 | Display device |
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| CN112165833B (en) | 2022-08-30 |
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