CN111726975A - LED display screen with adjustable heat conduction device - Google Patents
LED display screen with adjustable heat conduction device Download PDFInfo
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- CN111726975A CN111726975A CN202010766742.0A CN202010766742A CN111726975A CN 111726975 A CN111726975 A CN 111726975A CN 202010766742 A CN202010766742 A CN 202010766742A CN 111726975 A CN111726975 A CN 111726975A
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- 238000009434 installation Methods 0.000 claims abstract description 16
- 230000017525 heat dissipation Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims description 16
- 230000006835 compression Effects 0.000 claims description 15
- 239000002184 metal Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 9
- 238000010276 construction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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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
- H05K7/20963—Heat transfer by conduction from internal heat source to heat radiating structure
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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
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/023—Handles; Grips
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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
- H05K7/14—Mounting supporting structure in casing or on frame or rack
- H05K7/1401—Mounting supporting structure in casing or on frame or rack comprising clamping or extracting means
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses an LED display screen with an adjustable heat conduction device, which relates to the technical field of LED display screens and comprises a display screen shell, wherein an installation mainboard is arranged in the display screen shell, a heat dissipation cavity is formed between the installation mainboard and the inner wall of the rear side of the display screen shell, the heat conduction device is arranged in the heat dissipation cavity, and the heat conduction device comprises: the sliding groove is formed in the bottom surface of the heat dissipation cavity; the sliding bearing block is clamped in the sliding groove; and a heat conducting assembly arranged on the sliding bearing block; the sliding bearing block can slide back and forth in the sliding groove, the heat conduction assembly comprises a heat conduction sheet group which can slide up and down and can stretch out and draw back, and the heat conduction sheet group is used for contacting with an electrical element arranged on the installation mainboard. The invention has the advantages of good internal heat conduction effect and high internal heat conduction efficiency.
Description
Technical Field
The invention relates to the technical field of LED display screens, in particular to an LED display screen with an adjustable heat conduction device.
Background
At present, the demand of the LED display screen is more and more due to the promotion of the demand of the information dissemination industry. Like all products, whether the LED product has higher reliability or not is directly related to the actual use value of the product; on the other hand, LED products are used in certain locations during working hours, and are not substantially allowed to fail (otherwise, claims may be caused as a serious accident), such as: the system comprises important government affair information emergency service, various traffic information and signal indication service, real-time display of financial market securities trading, large-scale cultural and sports activity field amplification, media video live broadcast and the like. The common LED display screen realizes picture display by the cooperative work of hundreds of thousands, millions and even tens of millions of LED lamps, and each failed LED lamp point directly influences the picture display quality. The LED display screen is directly fixed in some places through the support now, does not set up the radiating structure of help LED display screen, and the LED display screen can produce a large amount of heats at the during operation usually, and there are all kinds of electrical components that generate heat in LED display screen inside simultaneously, for example control chip etc. after LED display screen uses a period, these a large amount of heats can let some lamps on the LED display screen light or dead phenomena such as often light.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the LED display screen with the adjustable heat conduction device, the heat conduction device is utilized to conduct high temperature generated by electrical elements in the LED display screen efficiently, and the temperature on the electrical elements is reduced, so that the service life of the whole display screen is prolonged, and the possibility of failure of the whole display screen is reduced.
The utility model provides a LED display screen with heat-transfer device with adjustable, includes the display screen shell, display screen shell inside is provided with the installation mainboard, the installation mainboard with form the heat dissipation chamber between the display screen shell rear side inner wall, heat dissipation intracavity portion is provided with heat-transfer device, heat-transfer device includes: the sliding groove is formed in the bottom surface of the heat dissipation cavity; the sliding bearing block is clamped in the sliding groove; and a heat conducting assembly arranged on the sliding bearing block; the sliding bearing block can slide back and forth in the sliding groove, the heat conduction assembly comprises a heat conduction sheet group which can slide up and down and can stretch out and draw back, and the heat conduction sheet group is used for contacting with an electrical element arranged on the installation mainboard.
Preferably, the heat conducting assembly comprises: the retainer group is arranged on the top surface of the sliding bearing block, and a vertical sliding channel is arranged on the retainer group; the telescopic heat conduction structure is arranged on the retainer group and can slide up and down on the vertical sliding channel; wherein the telescopic heat conducting structure comprises the heat conducting plate group. The telescopic heat conduction structure slides up and down in the vertical sliding channel, so that position adjustment in the vertical direction is realized, and under the combined action of the position adjustment in the horizontal direction of the sliding bearing block, the adjustment of any position of the whole telescopic heat conduction structure right above the installation mainboard is realized.
Preferably, the holder set includes a front heat-conducting sliding plate and a rear heat-conducting sliding plate which are vertically fixed on the top surface of the sliding bearing block, a first sliding through groove is formed in the center of the front heat-conducting sliding plate, a second sliding through groove is formed in the center of the rear heat-conducting sliding plate, and the first sliding through groove, the second sliding through groove and the area between the first sliding through groove and the second sliding through groove jointly form the vertical sliding channel. The whole telescopic heat conduction structure is erected through the front heat conduction sliding plate and the rear heat conduction sliding plate, and the whole telescopic heat conduction structure is guided by the displacement through the first sliding through groove and the second sliding through groove.
Preferably, a plurality of breakthroughs have been evenly seted up from last to bottom to back heat conduction slide right flank the first positioning through-hole of back heat conduction slide left surface, inside and one or more of flexible heat conduction structure first positioning through-hole is inside to be inserted jointly and is equipped with the locating lever. Through adding and establishing first location through-hole and locating lever, after heat conduction piece group position control, can realize flexible heat conduction structure's reliable location, improve whole heat conduction device's reliability.
Preferably, the telescopic heat conducting structure further comprises: the supporting plate is clamped in the second sliding through groove and can move up and down in the second sliding through groove; one end of the first sliding through groove penetrates through the second sliding through groove, and the other end of the first sliding through groove is positioned on the supporting frame between the first sliding through groove and the second sliding through groove; and a compression spring disposed between the support frame and the support plate; the support plate comprises a support plate body, a first sliding through groove is formed in the support plate body, a second positioning through hole penetrating through the left side face of the support plate body is formed in the right side face of the support plate body, the positioning rod penetrates through the second positioning through hole, the support plate body is located inside the support frame, and the heat conducting plate group is fixed to the front side face of the support frame and penetrates through the first sliding through groove. The support plate is clamped in the second sliding through groove, and the support frame surrounds the support plate, so that the support plate can be adjusted by adjusting the position of the support frame, and the whole support frame can be fixed by fixing the support plate (the second positioning through hole, the first positioning through hole and the positioning rod penetrating through the second positioning through hole and the first positioning through hole); when needing to contact the electrical component of a certain department, tear the carriage outwards earlier, shorten the distance between carriage and the backup pad, extrude compression spring, when the heat conduction piece group aims at electrical component, loosen the carriage, utilize compression spring's effect to let whole heat conduction piece group in close contact with electrical component surface, in a word, under compression spring, backup pad and support frame three combined action, let heat conduction piece group obtain can flexible characteristic, whole flexible heat conduction structure space utilization is high simultaneously, compact structure, structural strength is good.
Preferably, the support frame includes: the mounting plate is fixed with the heat conducting plate group; and two holding pull plates which are respectively and vertically fixed on the top and the bottom of the back side surface of the mounting plate; wherein the holding pull plate passes through the second sliding through groove, the support plate is positioned between the two holding pull plates, and the compression spring is positioned between the mounting plate and the support plate. The two holding pull plates respectively contact the top surface and the bottom surface of the supporting plate, so that the supporting plate can be driven to move together when the supporting frame moves.
Preferably, the group of heat conducting fins comprises a plurality of metal heat conducting fins parallel to each other. The plurality of metal heat conducting fins can fully absorb and conduct heat generated by the electrical appliance component in working, and the heat conducting effect and the heat conducting efficiency are improved.
Preferably, the part of the holding pull plate outside the vertical sliding channel is provided with an auxiliary handle. The assist handle makes the operator operate the holding arm-tie more easily to improve user experience.
Preferably, the inner wall of the second sliding through groove is provided with a clamping groove, and the supporting plate is provided with a clamping strip matched with the clamping groove. The clamping strip can move up and down in the clamping groove.
Preferably, the heat conducting plate group is in contact with the inner wall of the first sliding through groove. The heat conduction piece group is in contact with the first sliding through groove, so that heat conducted by the heat conduction piece group can be absorbed and guided out from the front heat conduction sliding plate, and the heat conduction efficiency and the heat conduction effect of the whole heat conduction device are improved.
The invention has the beneficial effects that:
1. according to the invention, the sliding bearing block is clamped in the sliding groove and matched with the sliding bearing block, so that the whole sliding bearing block can move in the sliding groove, the position adjustment of the whole heat conducting assembly is realized, and the heat conducting plate group can slide up and down, therefore, no matter how the position of an electrical element on the main board is changed, the heat conducting plate group on the heat conducting assembly is enabled to be opposite to the electrical element, and then the distance between the heat conducting plate group and the electrical element is adjusted through the telescopic characteristic of the heat conducting plate group, so that the electrical element is directly contacted by the heat conducting plate group, heat generated in the working process of the electrical element is absorbed and conducted, therefore, the rapid cooling of the electrical element is realized, the possibility of the electrical element being in fault is reduced, and the service life of the whole LED display screen is.
2. According to the invention, the first positioning through hole and the positioning rod are additionally arranged, so that the reliable positioning of the telescopic heat conduction structure can be realized after the position of the heat conduction plate group is adjusted, and the reliability of the whole heat conduction device is improved. .
3. In the invention, the support plate is clamped in the second sliding through groove, and the support frame surrounds the support plate, so that the support plate can be adjusted by adjusting the position of the support frame, and the whole support frame can be fixed by fixing the support plate (the second positioning through hole, the first positioning through hole and the positioning rod penetrating through the second positioning through hole and the first positioning through hole); when needing to contact the electrical component of a certain department, tear the carriage outwards earlier, shorten the distance between carriage and the backup pad, extrude compression spring, when the heat conduction piece group aims at electrical component, loosen the carriage, utilize compression spring's effect to let whole heat conduction piece group in close contact with electrical component surface, in a word, under compression spring, backup pad and support frame three combined action, let heat conduction piece group obtain can flexible characteristic, whole flexible heat conduction structure space utilization is high simultaneously, compact structure, structural strength is good.
4. According to the invention, the auxiliary handle enables an operator to operate the holding pull plate more easily, so that the user experience is improved.
5. According to the invention, the heat conducting sheet group is in contact with the first sliding through groove, so that heat absorbed and conducted by the heat conducting sheet group can be led out from the front heat conducting sliding plate, and the heat conducting efficiency and the heat conducting effect of the whole heat conducting device are improved.
Drawings
In order to more clearly illustrate the detailed description of the invention or the technical solutions in the prior art, the drawings that are needed in the detailed description of the invention or the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
FIG. 1 is a perspective view of a display screen housing without a rear side and without a heat conducting assembly in accordance with the present invention;
FIG. 2 is a side view of the construction of the heat transfer assembly and the slide bearing block of the present invention;
FIG. 3 is a rear view of the construction of the heat transfer assembly and the slide bearing block of the present invention;
FIG. 4 is a top view of the construction of the heat transfer assembly and the slide bearing block of the present invention;
fig. 5 is a structural front view of the support plate of the present invention.
Reference numerals:
1-display screen shell, 2-installation main board, 21-electrical component, 3-heat dissipation cavity, 31-sliding groove, 32-sliding bearing block, 4-heat conduction component, 41-retainer group, 411-front heat conduction sliding plate, 4111-first sliding through groove, 412-rear heat conduction sliding plate, 4121-second sliding through groove, 4122-first positioning through hole, 4123-clamping groove, 42-telescopic heat conduction structure, 421-heat conduction plate group, 4211-metal heat conduction plate, 422-supporting plate, 4221-second positioning through hole, 4222-clamping bar, 423-supporting frame, 4231-installation plate, 4232-holding pull plate, 4232 a-auxiliary pull handle and 424-compression spring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships conventionally arranged when products of the present invention are used, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements indicated must have specific orientations, be constructed in specific orientations, and operated, and thus, cannot be construed as limiting the present invention.
As shown in fig. 1 to 5, an LED display screen with adjustable heat conduction device, including display screen shell 1, display screen shell 1 is inside to be provided with installation mainboard 2, forms heat dissipation chamber 3 between installation mainboard 2 and the 1 rear side inner wall of display screen shell, and heat conduction device is provided with to heat dissipation chamber 3 inside, and heat conduction device includes: a sliding groove 31 arranged on the bottom surface of the heat dissipation cavity 3; a sliding bearing block 32 clamped in the sliding groove 31; and a heat conducting assembly 4 disposed on the skid bearing block 32; the sliding bearing block 32 can slide back and forth in the sliding groove 31, the heat conducting assembly 4 includes a heat conducting sheet set 421 capable of sliding up and down and extending and contracting, and the heat conducting sheet set 421 is used for contacting with the electrical component 21 arranged on the installation mainboard 2.
In the present embodiment, the sliding bearing block 32 is clamped in the sliding slot 31 and the sliding bearing block 32 and the sliding bearing block are matched with each other, so that the whole sliding bearing block 32 can move in the sliding slot 31, the position of the whole heat conducting assembly 4 is adjusted, the heat conducting plate group 421 can slide up and down, therefore, no matter how the position of the electrical component 21 mounted on the motherboard 2 is changed, the heat conducting plate group 421 on the heat conducting assembly 4 can always be aligned to the electrical component 21, and the distance between the heat conducting plate group 421 and the electrical component 21 is adjusted by the telescopic characteristic of the heat conducting plate group 421, so that the electrical component 21 is directly contacted by the heat conducting plate group 421, heat generated by the electrical element 21 in the working process is absorbed and conducted, so that the electrical element 21 is rapidly cooled, the possibility of failure of the electrical element is reduced, and the service life of the whole LED display screen is prolonged; a plurality of sliding bearing blocks 32 and a plurality of heat conducting assemblies 4 can be arranged in the sliding groove 31.
Specifically, the heat conductive member 4 includes: the retainer group 41 is arranged on the top surface of the sliding bearing block 32, and a vertical sliding channel is arranged on the retainer group 41; and a telescopic heat conducting structure 42 arranged on the holder group 41 and capable of sliding up and down on the vertical sliding channel; the telescopic heat conducting structure 42 includes a heat conducting plate group 421.
In this embodiment, it should be noted that the telescopic heat conducting structure 42 slides up and down in the vertical sliding channel, so as to realize position adjustment in the vertical direction, and under the combined action of position adjustment in the horizontal direction of the sliding bearing block 32, the whole telescopic heat conducting structure 42 is adjusted at any position right above the installation motherboard 2.
Specifically, the holder group 41 includes a front heat-conducting sliding plate 411 and a rear heat-conducting sliding plate 412 vertically fixed on the top surface of the sliding bearing block 32, the front heat-conducting sliding plate 411 is centrally provided with a first sliding through groove 4111, the rear heat-conducting sliding plate 412 is centrally provided with a second sliding through groove 4121, and the first sliding through groove 4111, the second sliding through groove 4121 and the area between the first sliding through groove 4111 and the second sliding through groove 4121 together form a vertical sliding channel.
In the present embodiment, the entire telescopic heat conducting structure 42 is erected by the front heat conducting sliding plate 411 and the rear heat conducting sliding plate 412, and the entire telescopic heat conducting structure 42 is guided by the first sliding through groove 4111 and the second sliding through groove 4121.
Specifically, the right side surface of the rear heat conducting sliding plate 412 is uniformly provided with a plurality of first positioning through holes 4122 penetrating through the left side surface of the rear heat conducting sliding plate 412 from top to bottom, and the inside of the telescopic heat conducting structure 42 and the inside of one or more first positioning through holes 4122 are jointly inserted with positioning rods.
In the present embodiment, the first positioning through hole 4122 and the positioning rod are additionally provided, so that after the position of the heat conducting plate group 421 is adjusted, the telescopic heat conducting structure 42 can be reliably positioned, and the reliability of the whole heat conducting device can be improved.
Specifically, the telescopic heat conducting structure 42 further includes: a support plate 422 which is clamped in the second sliding through groove 4121 and can move up and down in the second sliding through groove 4121; one end passes through the second sliding through groove 4121 and the other end is positioned on the support frame 423 between the first sliding through groove 4111 and the second sliding through groove 4121; and a compression spring 424 disposed between the support frame 423 and the support plate 422; wherein, the second positioning through hole 4221 that wears out the left surface of the supporting plate 422 is seted up to the supporting plate 422 right flank, and the locating lever is worn to establish inside second positioning through hole 4221, and inside the supporting plate 422 was located the supporting frame 423, the heat conduction piece group 421 was fixed at the supporting frame 423 leading flank and passed first slip through groove 4111.
In the present embodiment, since the support plate 422 is engaged with the second sliding through groove 4121 and the support frame 423 surrounds the support plate 422, the support plate 422 can be adjusted by adjusting the position of the support frame 423, and the entire support frame 423 can be fixed by fixing the support plate 422 (the second positioning through hole 4221, the first positioning through hole 4122, and the positioning rod inserted therein); when the electrical component 21 at a certain position needs to be contacted, the supporting frame 423 is firstly pulled outwards to shorten the distance between the supporting frame 423 and the supporting plate 422, the compression spring 424 is squeezed, when the heat conducting plate set 421 is aligned with the electrical component 21, the supporting frame 423 is loosened, the whole heat conducting plate set 421 is tightly contacted with the surface of the electrical component 21 by the action of the compression spring 424, in a word, under the combined action of the compression spring 424, the supporting plate 422 and the supporting frame, the heat conducting plate set 421 can be stretched, and meanwhile, the whole telescopic heat conducting structure 42 is high in space utilization rate, compact in structure and good in structural strength.
Specifically, the support frame 423 includes: a mounting plate 4231 to which the heat conductive sheet group 421 is fixed; and two retaining pull plates 4232 vertically fixed at the top and the bottom of the rear side surface of the mounting plate 4231 respectively; wherein the retaining tabs 4232 pass through the second sliding through slot 4121, the support plate 422 is positioned between the two retaining tabs 4232, and the compression spring 424 is positioned between the mounting plate 4231 and the support plate 422.
In the present embodiment, the two retaining plates 4232 contact the top and bottom surfaces of the supporting plate 422, respectively, so that the supporting plate 422 is moved together when the supporting frame 423 moves.
Specifically, the heat conducting plate group 421 includes a plurality of metal heat conducting plates 4211 parallel to each other.
In the present embodiment, it should be noted that the plurality of metal heat-conducting fins 4211 can sufficiently absorb and conduct heat generated during operation of the electric device 21, thereby improving the heat-conducting effect and the heat-conducting efficiency.
Specifically, an auxiliary handle is provided on a portion of the retaining plate 4232 outside the vertical sliding channel.
In the present embodiment, the assist grip makes it easier for the operator to operate the holding tab 4232, thereby improving the user experience.
Specifically, the inner wall of the second sliding through groove 4121 is provided with a clamping groove 4123, and the support plate 422 is provided with a clamping strip 4222 matched with the clamping groove 4123.
In the present embodiment, the clip 4222 is vertically movable in the clip groove 4123.
Specifically, the heat conducting plate group 421 contacts with the inner wall of the first sliding through groove 4111.
In this embodiment, it should be noted that, the heat conducting plate group 421 is in contact with the first sliding through groove 4111, so that the heat conducting plate group 421 can absorb the heat conducted and can be led out from the front heat conducting sliding plate 411, thereby improving the heat conducting efficiency and the heat conducting effect of the whole heat conducting device.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention, and they should be construed as being included in the following claims and description.
Claims (10)
1. The utility model provides a LED display screen with heat-transfer device with adjustable, its characterized in that, including the display screen shell, the inside installation mainboard that is provided with of display screen shell, the installation mainboard with form the heat dissipation chamber between the display screen shell rear side inner wall, heat dissipation intracavity portion is provided with heat-transfer device, heat-transfer device includes:
the sliding groove is formed in the bottom surface of the heat dissipation cavity;
the sliding bearing block is clamped in the sliding groove; and
the heat conduction assembly is arranged on the sliding bearing block; wherein,
the sliding bearing block can slide back and forth in the sliding groove, the heat conducting assembly comprises a heat conducting sheet set which can slide up and down and can stretch out and draw back, and the heat conducting sheet set is used for contacting with an electrical component arranged on the installation mainboard.
2. The LED display screen with the adjustable heat conduction device as claimed in claim 1, wherein the heat conduction assembly comprises:
the retainer group is arranged on the top surface of the sliding bearing block, and a vertical sliding channel is arranged on the retainer group; and
the telescopic heat conduction structure is arranged on the retainer group and can slide up and down on the vertical sliding channel; wherein,
the telescopic heat conduction structure comprises the heat conduction plate group.
3. The LED display screen with the adjustable heat conduction device as claimed in claim 2, wherein the holder set comprises a front heat conduction sliding plate and a rear heat conduction sliding plate vertically fixed on the top surface of the sliding bearing block, a first sliding through groove is formed in the center of the front heat conduction sliding plate, a second sliding through groove is formed in the center of the rear heat conduction sliding plate, and the first sliding through groove, the second sliding through groove and the area between the first sliding through groove and the second sliding through groove jointly constitute the vertical sliding channel.
4. The LED display screen with the adjustable heat conduction device according to claim 3, wherein the right side of the rear heat conduction sliding plate is uniformly provided with a plurality of first positioning through holes penetrating through the left side of the rear heat conduction sliding plate from top to bottom, and positioning rods are inserted into the inside of the telescopic heat conduction structure and the inside of one or more first positioning through holes.
5. The LED display screen with the adjustable heat conduction device according to claim 4, wherein the telescopic heat conduction structure further comprises:
the supporting plate is clamped in the second sliding through groove and can move up and down in the second sliding through groove;
one end of the first sliding through groove penetrates through the second sliding through groove, and the other end of the first sliding through groove is positioned on the supporting frame between the first sliding through groove and the second sliding through groove; and
a compression spring disposed between the support frame and the support plate; wherein,
the support plate right flank is seted up and is worn out the second positioning hole of backup pad left surface, the locating lever is worn to establish inside the second positioning hole, the backup pad is located inside the carriage, heat conduction piece group is fixed the carriage leading flank and pass first slip logical groove.
6. The LED display screen with the adjustable heat conduction device as claimed in claim 5, wherein the support frame comprises:
the mounting plate is fixed with the heat conducting plate group; and
two holding pull plates which are respectively and vertically fixed at the top and the bottom of the back side of the mounting plate; wherein,
the holding pull plate penetrates through the second sliding through groove, the supporting plate is located between the two holding pull plates, and the compression spring is located between the mounting plate and the supporting plate.
7. The LED display screen with the adjustable heat conduction device as claimed in claim 6, wherein the set of heat conduction plates comprises a plurality of parallel metal heat conduction plates.
8. The LED display screen with the adjustable heat conduction device as claimed in claim 6, wherein an auxiliary handle is provided on the portion of the holding pulling plate outside the vertical sliding channel.
9. The LED display screen with the adjustable heat conduction device according to any one of claims 5 to 8, wherein a clamping groove is formed in an inner wall of the second sliding through groove, and a clamping strip matched with the clamping groove is arranged on the supporting plate.
10. The LED display screen with the adjustable heat conduction device according to any one of claims 3 to 8, wherein the heat conduction plate group is in contact with the inner wall of the first sliding through groove.
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