CN216697700U - Heat radiation structure of LED display screen - Google Patents
Heat radiation structure of LED display screen Download PDFInfo
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- CN216697700U CN216697700U CN202123177617.5U CN202123177617U CN216697700U CN 216697700 U CN216697700 U CN 216697700U CN 202123177617 U CN202123177617 U CN 202123177617U CN 216697700 U CN216697700 U CN 216697700U
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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
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a heat dissipation structure of an LED display screen, which comprises a heat absorption copper plate, an evaporation tube, a one-way conveying structure and a condensation tube, wherein the heat absorption copper plate is arranged in a heat source area at the back of a display module; a Tesla valve is arranged inside the one-way conveying structure; set up the heat that the heat absorption copper absorbs the heat source region at the display module assembly back to conduct the heat to the display screen box through cooling loop, through the tesla valve that sets up in the one-way transport structure, thermal one-way conduction has been realized, make the heat that the display module assembly produced can conduct fast to the display screen box on, give off to the outside through the display screen box again, and need not be with the help of other external power sources, realized energy-conserving function of making an uproar of falling.
Description
Technical Field
The utility model relates to the technical field of display screens, in particular to a heat dissipation structure of an LED display screen.
Background
As a new information display medium, LED displays are widely used in conference rooms, advertising media, stadiums, stage backgrounds, large theaters, and the like. Researches show that about 70 to 80 percent of energy in the electric energy consumed by the LED display screen is converted into heat energy, if the heat energy is not discharged in time, the temperature inside a box body of the LED display screen is rapidly increased, the performance of the display screen is very sensitive to the temperature, and if the LED display screen runs at high temperature for a long time, electronic components and LED chips inside the LED display screen are easy to age and even burn out at high speed, so that the display effect of the display screen is influenced, and the service life of the display screen is shortened.
Generally, the LED display screen on the market generally includes the display screen box and installs a plurality of display module assembly on the display screen box, wherein can produce the heat in the display module assembly course of operation, and the radiating mode who adopts among the prior art roughly has following several: (1) the fan is used for radiating heat, the mode is common, the cost is relatively low, but the noise problem in the running process of the fan can influence the working environment of the display screen; (2) air conditioner refrigeration heat dissipation, the adoption of refrigerant Freon can cause damage to the atmospheric environment, and most importantly, cold air emitted by an air conditioner and hot gas phase inside a display screen box body can generate water mist when meeting, so that moisture inside an LED display screen is increased, and a line short circuit fault is easily caused; (3) the heat dissipation plate can dissipate heat, for example, an aluminum heat dissipation plate is used as a part of a shell of a display screen box body to increase the heat dissipation area, but the metal heat dissipation plate has the problem of weight, and in addition, the graphite foam heat dissipation plate has the heat conduction performance far superior to that of the traditional metal heat dissipation plate, is light and porous, but has relatively high cost. Undoubtedly, the heat dissipation methods can improve the heat dissipation capability of the LED display screen to a certain extent, but from the perspective of environmental protection, energy saving, cost and heat dissipation efficiency, the heat dissipation methods are not optimal heat dissipation solutions, and how to take into account these aspects and improve the heat dissipation performance of the LED display screen becomes a technical problem to be solved urgently.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: the heat dissipation structure of the LED display screen with high heat dissipation performance is provided.
In order to solve the technical problems, the utility model adopts the technical scheme that: a heat dissipation structure of an LED display screen comprises a heat absorption copper plate, an evaporation tube, a one-way conveying structure and a condensation tube, wherein the heat absorption copper plate is used for being installed in a heat source area on the back of a display module, the condensation tube is installed on a display screen box body, the evaporation tube is installed on the heat absorption copper plate, a phase change medium is arranged inside the evaporation tube, two ends of the evaporation tube are respectively connected with two ends of the condensation tube through the one-way conveying structure, and the evaporation tube, the one-way conveying structure and the condensation tube form a cooling loop; and a Tesla valve is arranged in the one-way conveying structure.
Furthermore, a plurality of groups of cooling loops are arranged on the heat absorption copper plate.
Furthermore, the display screen box body is made of aluminum.
Furthermore, the one-way conveying structure comprises a plurality of conveying pipes, and the Tesla valves are arranged in the plurality of conveying pipes.
Furthermore, the outer side wall of the transmission pipe is provided with a radiating fin.
Furthermore, a plurality of heat dissipation holes are formed in the heat dissipation fins.
Furthermore, the heat dissipation fins are spiral.
Furthermore, the display screen box body is provided with a mounting groove for mounting the condensation pipe.
The utility model has the beneficial effects that: the heat dissipation structure of the LED display screen has good heat dissipation performance, the heat absorption copper plate is arranged to absorb heat of a heat source area on the back face of the display module, the heat is conducted to the display screen box body through a cooling loop formed by the evaporation pipe, the one-way conveying structure and the condensation pipe, the one-way conduction of the heat is realized through the Tesla valve arranged in the one-way conveying structure, the heat generated by the display module can be quickly conducted to the display screen box body and then is dissipated to the outside through the display screen box body, and the functions of energy conservation and noise reduction are realized without the help of other external power sources.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation structure of an LED display screen according to a first embodiment of the present invention;
fig. 2 is a schematic structural view of a unidirectional conveying structure of a heat dissipation structure of an LED display screen according to a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a heat dissipation structure of an LED display screen according to a second embodiment of the present invention.
Description of reference numerals:
1. a display screen box body; 2. a display module; 21. a heat source region; 3. a heat absorbing copper plate; 4. an evaporation tube; 5. a conveying pipe; 51. a Tesla valve; 6. a condenser tube.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 to 3, a heat dissipation structure of an LED display screen includes a heat absorption copper plate 3, an evaporation tube 4, a unidirectional transport structure and a condensation tube 6, where the heat absorption copper plate 3 is used to be installed in a heat source area 21 on the back of a display module 2, the condensation tube 6 is installed on a display screen box 1, the evaporation tube 4 is installed on the heat absorption copper plate 3, a phase change medium is provided inside the evaporation tube 4, two ends of the evaporation tube 4 are respectively connected to two ends of the condensation tube 6 through the unidirectional transport structure, and the evaporation tube 4, the unidirectional transport structure and the condensation tube 6 form a cooling loop; a tesla valve 51 is arranged inside the one-way conveying structure.
The structural principle of the utility model is briefly described as follows: when the display module 2 is in operation, heat generated in the heat source region 21 is conducted to the heat absorbing copper sheet, so that the temperature of the evaporation tube 4 is increased, and the phase change medium in the evaporation tube 4 is vaporized to form vapor, the vapor is unidirectionally conducted to the condensation tube 6 through the tesla valve 51 in the unidirectional transportation structure and then liquefied into liquid, and the liquid is unidirectionally conducted back to the evaporation tube 4 through the tesla valve 51 in the unidirectional transportation structure at the other end of the condensation tube 6.
From the above description, the beneficial effects of the present invention are: set up the heat that heat absorption copper 3 absorbed the heat source area 21 at the 2 backs of display module assembly, and through by evaporating pipe 4, the cooling circuit that one-way transport structure and condenser pipe 6 are constituteed conducts the heat to display screen box 1, through the tesla valve 51 that sets up in the one-way transport structure, thermal one-way conduction has been realized, make the heat that display module assembly 2 produced can conduct fast to display screen box 1 on, give off to the outside through display screen box 1 again, and need not be with the help of other external power sources, energy-conserving function of making an uproar of falling has been realized.
Furthermore, a plurality of groups of cooling loops are arranged on the heat-absorbing copper plate 3.
As can be seen from the above description, the heat radiation performance can be further improved by providing a plurality of sets of the cooling loops on the heat-absorbing copper plate 3.
Furthermore, the display screen box body 1 is made of aluminum.
As can be seen from the above description, the display screen box 1 is made of aluminum, so as to absorb the heat of the condensation pipe 6 and dissipate the heat.
Further, the one-way conveying structure comprises a plurality of conveying pipes 5, and the tesla valves 51 are arranged in the plurality of conveying pipes 5.
As can be seen from the above description, the plurality of transfer pipes 5 are provided, and the tesla valve 51 is provided in each transfer pipe 5, so that the transfer rate of the phase-change medium is increased.
Further, the outer side wall of the transmission pipe 5 is provided with heat dissipation fins.
As can be seen from the above description, the heat dissipation fins facilitate better heat dissipation, and at the same time, can protect the transmission pipe 5, thereby prolonging the service life.
Furthermore, a plurality of heat dissipation holes are formed in the heat dissipation fins.
As can be seen from the above description, the heat dissipation hole increases the contact area of the heat dissipation fin with air, and can reduce the weight of the heat dissipation fin.
Furthermore, the heat dissipation fins are spiral.
From the above description, the shape of the heat dissipation fins can be set according to the actual application requirements, and the structural diversity is enriched.
Further, the display screen box body 1 is provided with a mounting groove for mounting the condensation pipe 6.
As can be seen from the above description, the mounting groove facilitates the positioning and mounting of the condensation duct 6.
Example one
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a heat dissipation structure of an LED display screen is used for dissipating heat of the LED display screen, and comprises a heat absorption copper plate 3, an evaporation tube 4, a one-way conveying structure and a condensation tube 6, wherein the heat absorption copper plate 3 is used for being installed in a heat source area 21 on the back of a display module 2, the heat source area 21 is the surface of an IC mainboard on the back of the display module 2, the condensation tube 6 is installed on a display screen box body 1, the evaporation tube 4 is installed on the heat absorption copper plate 3, a phase change medium is arranged inside the evaporation tube 4, two ends of the evaporation tube 4 are respectively connected with two ends of the condensation tube 6 through the one-way conveying structure, and the evaporation tube 4, the one-way conveying structure and the condensation tube 6 form a cooling loop; a Tesla valve 51 is arranged inside the one-way conveying structure; specifically, the number of the one-way conveying structures is two, one of the one-way conveying structures is communicated with one end of the evaporation tube 4 and one end of the condensation tube 6, and the other one-way conveying structure is communicated with the other end of the evaporation tube 4 and the other end of the condensation tube 6.
Preferably, the display screen box 1 is made of aluminum, so that the heat of the condensation pipe 6 is absorbed conveniently and dissipated.
Optionally, the unidirectional transportation structure includes a transportation pipe 5, one end of the transportation pipe 5 is communicated with the evaporation pipe 4, the other end of the transportation pipe 5 is communicated with the condensation pipe 6, and the number of the transportation pipes 5 can be set according to actual application requirements.
In addition, in other embodiments, heat dissipation fins (not shown) may be further disposed on the outer side wall of the transmission pipe 5, so as to facilitate better heat dissipation, and meanwhile, the transmission pipe 5 can be protected, thereby prolonging the service life; specifically, the heat dissipation fins are provided with a plurality of heat dissipation holes, so that the contact area between the heat dissipation fins and the air is increased, the weight of the heat dissipation fins can be reduced, and more specifically, the heat dissipation fins are spiral.
In order to facilitate installation of the condensation pipe 6, the display screen box 1 is further provided with an installation groove (not shown) for installing the condensation pipe 6, and the condensation pipe 6 is fitted in the installation groove, so that the contact area between the display screen box 1 and the condensation pipe 6 is increased, and the heat dissipation efficiency is enhanced.
Example two
Referring to fig. 3, the second embodiment of the present invention is a further improvement of the cooling loop based on the first embodiment, and is different from the first embodiment in that: a plurality of groups of cooling loops are arranged on the heat-absorbing copper plate 3, so that the heat dissipation performance can be further improved; in this embodiment, four sets of the cooling loops are disposed on the heat-absorbing copper plate 3, which may be set according to actual application requirements.
In summary, the heat dissipation structure of the LED display screen provided by the utility model has good heat dissipation performance, the heat absorption copper plate is arranged to absorb heat in the heat source area on the back of the display module, the heat is conducted to the display screen box body through the cooling loop composed of the evaporation tube, the one-way conveying structure and the condensation tube, the one-way conduction of the heat is realized through the tesla valve arranged in the one-way conveying structure, so that the heat generated by the display module can be quickly conducted to the display screen box body and then dissipated to the outside through the display screen box body, and the functions of energy saving and noise reduction are realized without using other external power sources.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (8)
1. The heat dissipation structure of the LED display screen is characterized by comprising a heat absorption copper plate, an evaporation tube, a one-way conveying structure and a condensation tube, wherein the heat absorption copper plate is used for being installed in a heat source area on the back of a display module, the condensation tube is installed on a display screen box body, the evaporation tube is installed on the heat absorption copper plate, a phase change medium is arranged inside the evaporation tube, two ends of the evaporation tube are respectively connected with two ends of the condensation tube through the one-way conveying structure, and the evaporation tube, the one-way conveying structure and the condensation tube form a cooling loop; and a Tesla valve is arranged in the one-way conveying structure.
2. The heat dissipation structure for an LED display screen according to claim 1, wherein a plurality of sets of the cooling loops are disposed on the heat-absorbing copper plate.
3. The heat dissipation structure of the LED display screen of claim 1, wherein the display screen box is made of aluminum.
4. The heat dissipation structure of the LED display screen according to claim 1, wherein the unidirectional transportation structure comprises a plurality of transportation pipes, and the Tesla valves are arranged in the plurality of transportation pipes.
5. The heat dissipation structure of LED display screen of claim 4, wherein the outer sidewall of the transmission tube is provided with heat dissipation fins.
6. The heat dissipation structure of LED display screen of claim 5, wherein the heat dissipation fins are provided with a plurality of heat dissipation holes.
7. The heat dissipation structure of the LED display screen of claim 5, wherein the heat dissipation fins are helical.
8. The heat dissipation structure of the LED display screen of claim 1, wherein the display screen box is provided with an installation groove for installing the condensation pipe.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123177617.5U CN216697700U (en) | 2021-12-16 | 2021-12-16 | Heat radiation structure of LED display screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202123177617.5U CN216697700U (en) | 2021-12-16 | 2021-12-16 | Heat radiation structure of LED display screen |
Publications (1)
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CN216697700U true CN216697700U (en) | 2022-06-07 |
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CN202123177617.5U Active CN216697700U (en) | 2021-12-16 | 2021-12-16 | Heat radiation structure of LED display screen |
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2021
- 2021-12-16 CN CN202123177617.5U patent/CN216697700U/en active Active
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