CN219812399U

CN219812399U - Efficient heat dissipation low-temperature rise structure for LED screen

Info

Publication number: CN219812399U
Application number: CN202320679113.3U
Authority: CN
Inventors: 程名威; 赵凌
Original assignee: Hangzhou Chuangming Zhicai Intelligent Technology Co ltd
Current assignee: Hangzhou Chuangming Zhicai Intelligent Technology Co ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-10-10
Anticipated expiration: 2033-03-31

Abstract

The utility model provides a high-efficiency heat dissipation low-temperature rise structure for an LED screen, and relates to the technical field of LED screen heat dissipation structures. A high-efficient heat dissipation low temperature rise structure for LED screen includes installation casing, heat dissipation post frame and honeycomb heat dissipation frame; the installation shell, the heat dissipation column frame and the honeycomb heat dissipation frame are all made of aluminum materials; the heat dissipation column frame is vertically connected with the inner side surface of the bottom plate of the installation shell; the honeycomb heat dissipation frame is connected with the outer side face of the bottom plate of the installation shell; the honeycomb cooling rack comprises a plurality of honeycomb blocks, and connecting cavities are arranged at the joints of the honeycomb blocks; a heat dissipation cavity is arranged on the bottom plate; the connecting cavity is arranged corresponding to the heat dissipation cavity. The technical problem that the heat dissipation structure of the LED display screen is unreasonable, so that components inside the LED display screen are damaged is solved. According to the utility model, the heat dissipation column frame is arranged in the installation shell, and the honeycomb heat dissipation frame is arranged outside the installation shell, so that uniform heat dissipation of internal electronic components is ensured, and moisture and dust prevention can be realized.

Description

Efficient heat dissipation low-temperature rise structure for LED screen

Technical Field

The utility model relates to the technical field of LED screen heat dissipation structures, in particular to a high-efficiency heat dissipation low-temperature rise structure for an LED screen.

Background

The LED display screen is internally provided with a plurality of LED module panels, and various information such as characters, images, videos and the like can be displayed on the screen. The structure of the LED display screen comprises a display screen main body and a heat dissipation shell. The heat dissipation modes in the shell mainly comprise the following three modes:

(1) a plurality of heat dissipation holes are formed in the wall surface of the shell, a limiting ring groove is formed in the outer ring of each heat dissipation hole, and heat dissipation is carried out by the aid of the heat dissipation holes and the limiting ring groove.

(2) A copper radiating plate is connected to the rear shell of the display screen, and heat conduction and radiation are realized by utilizing the copper radiating plate.

(3) A fan and a fan are arranged in the shell, and the cooling plate in the shell is cooled by wind blown by the fan and the fan to realize the cooling of the display body; and through offer a plurality of heat dissipation recesses on the heating panel, increase heating panel and cold wind's area of contact for the heat dissipation.

In the prior art, the heat dissipation mode has the following disadvantages:

firstly, a plurality of radiating holes are formed on the wall surface of the shell, and the radiating holes realize the radiating function, but cannot realize dampproof and dustproof functions on devices in the shell, for example: for northern areas with larger dust, the dust can enter the LED display screen shell along the heat dissipation holes, so that dust accumulation in the LED display screen shell is serious, the accumulated dust in the shell can cause poor heat dissipation efficiency, and the service life of the display screen is reduced; in humid environments such as south area and seaside, moisture easily seriously enters the inside of the LED display screen through the heat dissipation holes, and the circuit board or the lamp beads in the shell are damaged, so that the failure rate of the display screen is obviously increased.

The design of adopting the heat dissipation groove has certain heat dissipation effect, but the original design can not simultaneously meet the requirements of heat dissipation, dust prevention and moisture prevention. Unreasonable and underscient heat dissipation design is easy to damage components such as a PCB board, a chip, a power supply and the like in the LED display screen, shortens the normal service life of the LED display screen, and is poor in economic benefit, and electronic components such as the LED display screen scrapped in advance are unfavorable for environmental protection.

And secondly, a copper radiating plate is arranged on the rear shell of the display screen, so that the manufacturing cost is relatively high.

Finally, the noise pollution is generated to the environment by adopting a fan and a fan cooling method, and the physical and mental health of a user is affected; and when the fan and the blower are started, the energy consumption is increased.

Disclosure of Invention

The utility model aims to provide a high-efficiency heat dissipation low-temperature rise structure for an LED screen, which solves the technical problems that the heat dissipation structure of the LED screen is unreasonable in the prior art, so that the LED screen runs in a continuous high-temperature, wet and dusty state, components in the LED screen are easy to damage, the service life of the LED screen is shortened, and the energy consumption is increased.

The utility model provides a high-efficiency heat dissipation low-temperature rise structure for an LED screen, which comprises an installation shell, a heat dissipation column frame and a honeycomb heat dissipation frame, wherein the installation shell is provided with a heat dissipation column frame;

the mounting shell, the heat dissipation column frame and the honeycomb heat dissipation frame are all made of aluminum materials;

the heat dissipation column frame is vertically connected with the inner side surface of the bottom plate of the installation shell and is used for being connected with a screen in the installation shell;

the honeycomb heat dissipation frame is connected with the outer side face of the bottom plate of the installation shell; the honeycomb cooling rack comprises a plurality of honeycomb blocks, and connecting cavities are arranged at the joints of the honeycomb blocks; a heat dissipation cavity is arranged on the bottom plate; the connecting cavity is arranged corresponding to the heat dissipation cavity.

Further, the heat dissipation column frame comprises a supporting frame and a reinforcing frame;

the number of the reinforcing frames is multiple, and the reinforcing frames are connected with the supporting frames and used for fixing the supporting frames on the inner side face of the bottom plate.

Further, the support frame is hollow structure.

Further, the reinforcement frame comprises a reinforcement plate and a first pillar;

the inner side end of the reinforcing plate is provided with a first clamping groove which is clamped with the supporting frame;

the first support is connected with the side face of the reinforcing plate through the first support plate and is connected with the inner side face of the bottom plate.

Further, the outer side end of the reinforcing plate is provided with a first heat dissipation groove.

Further, the first support column is of a hollow structure.

Further, the support frame comprises a plurality of transverse plates and vertical plates, and the transverse plates and the vertical plates are connected in a crisscross manner;

the heat dissipation column frame also comprises a cross connecting frame, and the cross connecting frame is connected to the connecting position of the transverse plate and the vertical plate;

the inner side end of the cross connecting frame is provided with a second clamping groove;

the outer side end of the cross connecting frame is provided with a second heat dissipation groove.

Further, a second support is connected to the outer side surface of the cross connecting frame through a second support plate;

the second pillar is of a hollow structure.

Further, the inner side surface of the bottom plate is connected with a heat conducting groove frame;

the heat conduction groove frame comprises a cross rod and a vertical rod, the number of the cross rod and the number of the vertical rod are multiple, and the cross rods and the vertical rods are connected in a crisscross manner.

Further, the honeycomb block is any one of a circle, a triangle and a polygon.

The utility model provides a high-efficiency heat dissipation low-temperature rise structure for an LED screen, which has the following technical effects:

the installation shell, the heat dissipation column frame and the honeycomb heat dissipation frame are all made of aluminum materials so as to efficiently conduct heat generated by a power supply and electronic components in the LED screen to the installation shell, and the heat dissipation effect of the whole LED screen is good due to the fact that the aluminum is high in heat conduction capacity and good in heat dissipation effect. The heat dissipation post frame is connected perpendicularly to the medial surface of the bottom plate of installation casing, and the heat dissipation post frame is used for connecting the screen in the installation casing on the one hand, and on the other hand can also make the screen keep certain distance with the installation casing between, better realization installation casing inside radiating effect. The honeycomb cooling frame is connected with the outer side face of the bottom plate of the installation shell, and the honeycomb cooling frame adopts a structure of a plurality of honeycomb blocks, so that heat generated by lamp beads in the installation shell is effectively and uniformly diffused, the temperature rise of the lamp beads is reduced, and the service life of the display screen is prolonged. The connecting cavity is arranged at the connecting position of the honeycomb blocks, the radiating cavity is arranged on the bottom plate, and the connecting cavity and the radiating cavity are correspondingly arranged, so that the installation shell can achieve a radiating effect and can also achieve dampproof and dustproof effects.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the front side of a high-efficiency heat dissipation low temperature rise structure for an LED screen according to an embodiment of the present utility model;

fig. 2 is an enlarged view of a portion a in fig. 1;

fig. 3 is an enlarged view of a portion B in fig. 1;

fig. 4 is a front view of a high-efficiency heat dissipation low temperature rise structure for an LED screen according to an embodiment of the present utility model;

fig. 5 is a schematic rear side view of a high-efficiency heat dissipation low temperature rise structure for an LED screen according to an embodiment of the present utility model;

fig. 6 is a rear view of a high-efficiency heat dissipation low temperature rise structure for an LED screen according to an embodiment of the present utility model.

Icon:

100-mounting a shell; 200-a heat dissipation column frame; 300-honeycomb cooling rack;

101-a bottom plate; 102-a heat dissipation cavity; 103-a heat conduction groove frame;

201-supporting frames; 202-a reinforcement rack; 203-reinforcing plates; 204-a first leg; 205-a first clamping groove; 206-a first support plate; 207-a first heat sink; 208-a cross plate; 209-risers; 210-a cross connecting frame; 211-a second clamping groove; 212-a second heat sink; 213-a second support plate; 214-a second leg;

301-honeycomb blocks; 302-connecting the cavities.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, the embodiment of the present utility model provides a high-efficiency heat dissipation low temperature rise structure for an LED screen, which includes a mounting housing 100, a heat dissipation post 200, and a honeycomb heat dissipation frame 300;

the mounting case 100, the heat dissipation post 200, and the honeycomb heat dissipation frame 300 are all made of aluminum material. Because the heat conduction capability of aluminum is strong, the heat dissipation effect is good, and the heat dissipation effect of the whole LED screen is good, the price of aluminum is low, and the whole manufacturing cost is low. The structure of the installation shell 100 comprises a bottom plate 101 at the back, an upper side plate, a lower side plate, a left side plate and a right side plate, which are connected to form a semi-closed structure, and when the installation shell is installed, a screen is connected to the front end surface of the installation shell 100 to form a full-surrounding structure.

The heat radiation post 200 is vertically connected to the inner side of the bottom plate 101 of the mounting case 100, and the heat radiation post 200 is used to connect the panels inside the mounting case 100. In the prior art, the heat dissipation sources inside the LED display screen mainly comprise: PCB board, power, chip, lamp pearl. According to the utility model, the heat dissipation plate and the power supply are arranged on the PCB through the heat dissipation column frame 200, the heat dissipation plate adopts die-casting aluminum accessories with high heat conduction performance, and the heat dissipation plate is connected with the installation shell 100, so that the heat dissipation plate and the installation shell 100 are respectively attached to two sides of the PCB. The pin of chip, lamp pearl is in the same place with PCB board soldering, closely laminates the heating panel, simultaneously, has certain heat dissipation space between installation casing 100 and the PCB board, utilizes the air current to form evenly distributed's convection current, makes the temperature rise in the casing even, increases the cooling air current and PCB board, heating panel, the area of contact of power, has promoted the radiating effect.

The honeycomb heat dissipation frame 300 is screwed to the outer side of the bottom plate 101 of the mounting case 100. The honeycomb cooling rack 300 comprises a plurality of honeycomb blocks 301, and connecting cavities 302 are arranged at the joints of the plurality of honeycomb blocks 301; the bottom plate 101 is provided with a heat dissipation cavity 102, so that heat in the shell conveniently flows out along the heat dissipation cavity 102 and then enters the honeycomb heat dissipation block 301; the connecting cavity 302 is arranged corresponding to the heat dissipation cavity 102, and the connecting cavity 302 and the heat dissipation cavity 102 can be square cavities with the same structure or round cavities with the same structure. The utility model has the advantages that the bottom plate 101 is arranged on the back of the installation shell 100, the effects of moisture prevention and dust prevention can be achieved, the outer side surface of the bottom plate 101 is connected with the honeycomb blocks 301, and the heat dissipation surface area of the bottom plate 101 is greatly increased by utilizing the multi-honeycomb and three-dimensional crossed structural design.

The connecting structure disclosed by the utility model can be used for rapidly improving the heat dissipation efficiency of the LED display screen, controlling the temperature rise of the display screen, protecting the safe operation of the LED display screen and prolonging the service life of the LED display screen.

In one embodiment of the present utility model, the heat dissipation post 200 includes a support frame 201 and a reinforcement frame 202;

the number of the reinforcing frames 202 is plural, and the plurality of reinforcing frames 202 are connected to the supporting frame 201 for fixing the supporting frame 201 to the inner side surface of the base plate 101.

Specifically, referring to fig. 1, a supporting frame 201 is welded or screwed to an inner side surface of the base plate 101. The plurality of reinforcement frames 202 are evenly distributed and connected on the support frame 201, the connection position of the support frame 201 on the inner side surface of the bottom plate 101 is fixed, the inner side end of the reinforcement frame 202 is connected on the inner side surface of the bottom plate 101 by welding or screws, and the firmness of the connection position of the inner side end of the support frame 201 can be further ensured through the reinforcement of the inner side end of the reinforcement frame 202.

In other embodiments, the reinforcing frames 202 may be disposed at the inner side surfaces of the four side plates of the mounting housing 100, so that, on one hand, the positions of the upper, lower, left and right end points of the supporting frame 201 can be reinforced, and on the other hand, the supporting force of the four side plates can be improved, and the mounting of the electronic components inside the mounting housing 100 is facilitated.

In the above embodiment of the present utility model, the supporting frame 201 is a hollow structure. The hollow structure can reduce the weight of the whole support 201.

In one embodiment of the present utility model, the reinforcement frame 202 includes a reinforcement plate 203 and a first pillar 204;

the inner side end of the reinforcing plate 203 is provided with a first clamping groove 205 which is clamped with the supporting frame 201;

the first stay 204 is connected to the side surface of the reinforcement plate 203 via a first support plate 206, and is connected to the inner side surface of the bottom plate 101.

Specifically, referring to fig. 1 and 2, the reinforcement plate 203 is a strip-shaped plate, the first clamping groove 205 is a strip-shaped groove formed at the inner side end of the reinforcement plate 203, and the support frame 201 is clamped by the strip-shaped groove, so that the inner side end of the reinforcement plate 203 is welded and fixed on the bottom plate 101, thereby fixing the support frame 201. In actual use, the anti-slip rubber layer can be adhered to the inner side surface of the first clamping groove 205, so that the friction force between the support frame 201 and the reinforcing plate 203 is increased, and the connection between the support frame 201 and the reinforcing plate 203 is stable.

The first support plate 206 is a strip-shaped plate vertically welded to the outer side surface of the reinforcement plate 203. The first pillar 204 has a columnar structure, and an inner side thereof is welded and fixed to an outer side of the first support plate 206. As shown in fig. 2, a first support plate 206 is vertically welded on the left and right sides of the reinforcement plate 203, a first support column 204 is welded on the outer side of each first support plate 206, each first support column 204 is fixed on the bottom plate 101 by a screw, and the left and right sides of the reinforcement plate 203 are fixed by two first support columns 204.

In the above embodiment of the present utility model, the outer side end of the reinforcement plate 203 is provided with the first heat dissipation groove 207. Referring to fig. 2, the first heat dissipation groove 207 is an inwardly recessed bar-shaped groove formed at the outer end of the reinforcing plate 203, and is a through groove that can play a role in weight reduction on the one hand, and can play a role in heat dissipation on the other hand, and can also reinforce the internal electronic components.

In the above embodiment, the cross section of the first heat dissipation groove 207 is a triangle with the inner narrow and the outer wide. In other embodiments, the cross section of the first heat dissipation groove 207 may also be provided in a semicircle, a square, or the like.

In the above embodiment, the first pillar 204 has a hollow structure. I.e. a threaded through hole is provided in the centre of the first leg 204, the hollow structure of which can act as a weight reduction and also facilitate the fastening of the first leg 204 to the base plate 101 by means of a screw.

In one embodiment of the present utility model, the supporting frame 201 includes a plurality of transverse plates 208 and vertical plates 209, and the transverse plates 208 and the vertical plates 209 are all in a plurality of numbers, and the transverse plates 208 and the vertical plates 209 are connected in a crisscross manner;

the heat dissipation post 200 further comprises a cross connecting frame 210, wherein the cross connecting frame 210 is connected to the connecting positions of the transverse plate 208 and the vertical plate 209;

the inner side end of the cross connecting frame 210 is provided with a second clamping groove 211;

the outer side end of the cross connecting frame 210 is provided with a second heat dissipation groove 212.

Specifically, referring to fig. 1, 2 and 3, the supporting frame 201 is fastened and fixed by a plurality of bar-shaped transverse plates 208 and a plurality of bar-shaped vertical plates 209 in a criss-cross manner, inner side ends of the transverse plates 208 and the vertical plates 209 are welded and fixed on the bottom plate 101, and the bottom plate 101 is supported and fixed from the transverse direction and the vertical direction, and meanwhile, the installation and the fixation of internal electronic components are also facilitated.

The cross connecting frame 210 is used for connecting and fixing the positions where the transverse plate 208 and the vertical plate 209 are connected, so that the firmness of the connecting positions is ensured. The second locking groove 211 is a cross groove formed at the inner end of the cross connecting frame 210, and locks the cross connecting position of the cross plate 208 and the vertical plate 209 by using the cross groove to reinforce the cross connecting position, and the inner end of the cross connecting frame 210 is welded and fixed on the bottom plate 101 to further reinforce the inner end of the cross connecting frame 210.

As shown in fig. 3, the second heat dissipation groove 212 is a cross-shaped groove formed at the outer end of the cross-shaped connecting frame 210, and the cross-shaped groove is a through groove, which can play a role in weight reduction on one hand, play a role in heat dissipation on the other hand, and can also strengthen the electronic components inside.

In the above embodiment, the cross section of the second heat dissipation groove 212 is a triangle with a narrow inside and a wide outside. In other embodiments, the cross section of the second heat dissipation groove 212 may also be provided in a semicircle, square, or the like.

In the above embodiment, referring to fig. 1 and 3, the second support 214 is connected to the outer side surface of the cross connecting frame 210 through the second support plate 213;

the second leg 214 is hollow.

Specifically, the outer side of the cross-shaped connector 210 has four right angle surfaces. The second support plate 213 is a strip-shaped plate. The second support 214 is columnar, a threaded through hole is formed in the center of the second support 214, and the second support 214 adopts a hollow structure, so that the weight of the second support 214 is reduced, and the second support is conveniently mounted on the bottom plate 101 by using screws. A second support plate 213 is welded at each right angle surface of the outer side surface of the cross connecting frame 210, a second support post 214 is welded on the outer side surface of each second support plate 213, four second support posts 214 are fixed on the bottom plate 101 by bolts, and the whole cross connecting frame 210 is fixed on the bottom plate 101 by using the four second support posts 214 to fix the cross connecting frame 210.

In one embodiment of the utility model, the inner side surface of the bottom plate 101 is connected with a heat conducting groove frame 103;

the heat conducting groove frame 103 comprises a plurality of cross bars and vertical bars, wherein the cross bars and the vertical bars are in crisscross connection.

Specifically, referring to fig. 1 and 4, the heat-conducting slot frame 103 adopts a structure in which a plurality of cross bars and a plurality of vertical bars are vertically connected in a staggered manner, the cross bars and the vertical bars are arranged on a power wiring path inside the installation housing 100, a power line is connected to the cross bars and the vertical bars, and the heat dissipation effect of the power line is good.

The cross rod and the vertical rod are hollow structures, so that the overall weight is reduced.

In one embodiment of the present utility model, the honeycomb blocks 301 are any one of circular, triangular, and polygonal.

Specifically, referring to fig. 5 and 6, in this embodiment, the honeycomb blocks 301 have a hexagonal structure, and the connection portions of the plurality of honeycomb blocks 301 form a connection cavity 302, so as to facilitate heat dissipation.

In other embodiments, the honeycomb blocks 301 may also have a circular, triangular, or other configuration.

In the above embodiment, pre-installed slots may be further formed at the upper and lower side plates of the installation housing 100, so that convection is formed between the upper and lower side plates, and heat dissipation is better performed inside.

The convection current guide mouth can also be arranged at the left side plate and the right side plate of the installation shell 100, so that after the whole shell is closed, convection current is formed between the left side plate and the right side plate, and the uniform temperature rise in the shell has better heat dissipation effect.

The high-efficiency heat-dissipation low-temperature-rise structure for the LED screen provided by the utility model has the advantages that the die-casting aluminum lightweight material is integrally adopted to replace the copper material used conventionally, so that the economic benefit is obviously increased. The bottom plate adopts the structural design of no louvre, can reach dampproofing, dirt-proof technological effect. The problems that dust is easy to accumulate in the LED display screen in northern areas with larger dust in the prior art are effectively solved, the problems that moisture easily enters the shell in humid environments such as southern areas and seasides, the circuit board and the lamp beads are damaged, the service life of the display screen is prolonged and the like are solved, the problems that noise pollution is caused to the environment by adopting a fan and a fan cooling method in the prior art are solved, and the energy consumption is greatly saved. The back of the bottom plate is in cross connection with a plurality of honeycomb structures, and the honeycomb three-dimensional self-radiating mode greatly increases radiating area and radiating efficiency and effectively controls the temperature rise in the shell. The whole product meets the requirements of high heat dissipation and dust prevention and moisture prevention, effectively controls the temperature rise level in the box body, and achieves the effect of low temperature rise. The product is a progress of promoting carbon neutralization and carbon peak, and has a certain innovation value.

The LED display screen has the advantages of simple structure, ingenious design and low material consumption, can cool the power supply, the PCB and the lamp beads in the shell at the same time, has good effects of uniformly radiating and slowly raising the temperature of the IC chip in the shell, prolongs the service life of the LED display screen, reduces the energy consumption, improves the environmental protection level of the product, and provides a new way for the stability, the safety, the energy conservation and the environmental protection of the product.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.

Claims

1. The high-efficiency heat-dissipation low-temperature rise structure for the LED screen is characterized by comprising a mounting shell (100), a heat-dissipation column frame (200) and a honeycomb heat-dissipation frame (300);

the installation shell (100), the heat dissipation column frame (200) and the honeycomb heat dissipation frame (300) are all made of aluminum materials;

the heat dissipation post frame (200) is vertically connected with the inner side surface of the bottom plate (101) of the installation shell (100), and the heat dissipation post frame (200) is used for being connected with a screen in the installation shell (100);

the honeycomb cooling frame (300) is connected with the outer side surface of the bottom plate (101) of the installation shell (100); the honeycomb cooling frame (300) comprises a plurality of honeycomb blocks (301), and connecting cavities (302) are formed at the joints of the honeycomb blocks (301); a heat dissipation cavity (102) is formed in the bottom plate (101); the connecting cavity (302) is arranged corresponding to the heat dissipation cavity (102).

2. The efficient heat-dissipating low-temperature rise structure for LED screens as claimed in claim 1, wherein said heat-dissipating stud frame (200) comprises a support frame (201) and a reinforcement frame (202);

the number of the reinforcing frames (202) is multiple, and the reinforcing frames (202) are connected to the supporting frame (201) and used for fixing the supporting frame (201) on the inner side surface of the bottom plate (101).

3. A high efficiency heat dissipating, low temperature rise structure for LED screens as claimed in claim 2 wherein said support frame (201) is hollow.

4. A high efficiency heat dissipating, low temperature rise structure for LED screens as defined in claim 2 wherein said reinforcement frame (202) comprises a reinforcement plate (203) and a first leg (204);

a first clamping groove (205) which is clamped with the supporting frame (201) is formed in the inner side end of the reinforcing plate (203);

the first support column (204) is connected with the side surface of the reinforcing plate (203) through a first support plate (206) and is connected with the inner side surface of the bottom plate (101).

5. The efficient heat dissipation low temperature rise structure for LED screen as described in claim 4, wherein said reinforcement plate (203) is provided with a first heat dissipation groove (207) at its outer side end.

6. The high efficiency, heat dissipating, low temperature rise structure for an LED screen of claim 4, wherein said first leg (204) is a hollow structure.

7. The efficient heat dissipation low temperature rise structure for the LED screen according to claim 2, wherein the supporting frame (201) comprises a transverse plate (208) and a vertical plate (209), the number of the transverse plate (208) and the number of the vertical plate (209) are all multiple, and the transverse plate (208) and the vertical plate (209) are connected in a crisscross manner;

the heat dissipation column frame (200) further comprises a cross connecting frame (210), and the cross connecting frame (210) is connected to the connecting position of the transverse plate (208) and the vertical plate (209);

the inner side end of the cross connecting frame (210) is provided with a second clamping groove (211);

the outer side end of the cross connecting frame (210) is provided with a second heat dissipation groove (212).

8. The high-efficiency heat-dissipating low-temperature rise structure for LED screen of claim 7, wherein a second support (214) is connected to the outer side surface of said cross-shaped connection frame (210) through a second support plate (213);

the second support (214) is a hollow structure.

9. The efficient heat dissipation low temperature rise structure for the LED screen according to claim 1, wherein the inner side surface of the bottom plate (101) is connected with a heat conduction groove frame (103);

the heat conduction groove frame (103) comprises cross bars and vertical bars, wherein the number of the cross bars and the number of the vertical bars are multiple, and the cross bars and the vertical bars are connected in a crisscross manner.

10. A high-efficiency heat-dissipating low-temperature rise structure for LED screens as claimed in claim 1, wherein said honeycomb block (301) is any one of a circle, a polygon.