CN114792493A - Water-cooling liquid crystal display advertisement machine with TEC heat dissipation air conditioner - Google Patents
Water-cooling liquid crystal display advertisement machine with TEC heat dissipation air conditioner Download PDFInfo
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- CN114792493A CN114792493A CN202210386653.2A CN202210386653A CN114792493A CN 114792493 A CN114792493 A CN 114792493A CN 202210386653 A CN202210386653 A CN 202210386653A CN 114792493 A CN114792493 A CN 114792493A
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 83
- 239000000110 cooling liquid Substances 0.000 title claims abstract description 20
- 239000013078 crystal Substances 0.000 title claims abstract description 7
- 238000005057 refrigeration Methods 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 132
- 238000001816 cooling Methods 0.000 claims description 70
- 239000004973 liquid crystal related substance Substances 0.000 claims description 16
- 238000003780 insertion Methods 0.000 claims description 5
- 230000037431 insertion Effects 0.000 claims description 5
- 230000009977 dual effect Effects 0.000 claims 1
- 239000000428 dust Substances 0.000 abstract description 5
- 238000013021 overheating Methods 0.000 abstract 1
- 239000013307 optical fiber Substances 0.000 description 8
- 239000002826 coolant Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000001069 Raman spectroscopy Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000007710 freezing Methods 0.000 description 1
- 230000008014 freezing Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/35—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being liquid crystals
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B21/00—Machines, plants or systems, using electric or magnetic effects
- F25B21/02—Machines, plants or systems, using electric or magnetic effects using Peltier effect; using Nernst-Ettinghausen effect
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20954—Modifications to facilitate cooling, ventilating, or heating for display panels
- H05K7/20972—Forced ventilation, e.g. on heat dissipaters coupled to components
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- 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
- H05K7/20981—Liquid coolant without phase change
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0251—Removal of heat by a gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2321/00—Details of machines, plants or systems, using electric or magnetic effects
- F25B2321/02—Details of machines, plants or systems, using electric or magnetic effects using Peltier effects; using Nernst-Ettinghausen effects
- F25B2321/025—Removal of heat
- F25B2321/0252—Removal of heat by liquids or two-phase fluids
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention discloses a water-cooling liquid crystal display advertising machine with a TEC heat dissipation air conditioner, which comprises: the display screen comprises a shell, a display screen, a controller and a heat dissipation device; the display screen, the controller and the heat dissipation device are all arranged in the shell, and a TEC refrigeration system is arranged in the heat dissipation device. The water-cooling liquid crystal display advertising machine with the TEC heat dissipation air conditioner can seal the display screen, the controller and the heat dissipation device through the shell, so that dust is prevented from entering the shell to cause short circuit, meanwhile, the TEC refrigeration system is arranged in the heat dissipation device, so that high-efficiency heat dissipation can be realized, and the phenomenon of overheating short circuit caused by uneven heat dissipation is avoided.
Description
Technical Field
The invention relates to the technical field of outdoor advertising machines, in particular to a water-cooling liquid crystal display advertising machine with a TEC heat dissipation air conditioner.
Background
In the heat dissipation mode adopted by the advertising player in the prior art, an LCD heat dissipation structure is mainly adopted, but the LCD heat dissipation structure adopts an air cooling mode. The air-cooled heat dissipation mode can not achieve the full sealing of the inner cavity, and dust is easily accumulated in the inner cavity. If the inner cavity is sealed, the controller is overheated and short-circuited due to uneven heat dissipation. Therefore, there is a need for a water-cooled lcd advertising device with a TEC heat dissipation air conditioner to at least partially solve the problems of the prior art.
Disclosure of Invention
A series of concepts in a simplified form are introduced in the summary section, which is described in further detail in the detailed description section. This summary of the invention is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.
To at least partially solve the above problems, the present invention provides a water-cooled liquid crystal display advertisement machine having a TEC heat dissipation air conditioner, comprising: the display screen comprises a shell, a display screen, a controller and a heat dissipation device; the display screen, the controller and the heat dissipation device are all arranged in the shell, and a TEC refrigeration system is arranged in the heat dissipation device.
Preferably, a first distance is arranged between the display screen and the side wall of the shell, and a second distance is arranged between the top of the display screen and the top of the shell.
Preferably, the display screen and the controller are respectively arranged on the inner side wall of the shell and are oppositely arranged, and the heat sink is arranged on the display screen.
Preferably, the heat dissipation device comprises a front screen fan and a double refrigeration device; the front screen fan is arranged at the bottom of the display screen, the double refrigeration devices are arranged on the display screen, and the double refrigeration devices can refrigerate the controller simultaneously when refrigerating the display screen.
Preferably, the double refrigeration device comprises a water cooling device and the TEC refrigeration system; the water cooling device is arranged on the display screen, and the TEC refrigerating system is arranged on the water cooling device.
Preferably, the water cooling device comprises a water cooling plate, a water pump and a water cooling radiator; the water pump with the water-cooling radiator all sets up in the casing, the water pump with the water-cooling radiator intercommunication, the end of intaking and the play water end of water-cooling board respectively with the water pump with the water-cooling radiator intercommunication.
Preferably, the TEC refrigeration system comprises a back fan, a heat dissipation profile and a TEC refrigeration plate; the TEC refrigeration piece is arranged on the water cooling plate, the heat dissipation section bar is arranged on the TEC refrigeration piece, and the back fan is arranged on the heat dissipation section bar.
Preferably, the back fan is adapted to the position of the controller.
Preferably, be provided with the radiating window on the lateral wall of casing, the radiating window with water-cooling radiator's position suits, the last radiator fan that is provided with of water-cooling radiator.
Preferably, a converter is arranged between the water pump and the water-cooled radiator, a water inlet end of the converter is communicated with the water pump, and a water outlet end of the converter is communicated with the water-cooled radiator;
the converter comprises a water inlet exchanger and a water outlet exchanger;
the water inlet exchanger comprises an outer cylinder, an inner cylinder, an exchange pipe and a circulating pipe;
the inner cylinder is arranged inside the outer cylinder, a water outlet hole is formed in the bottom of the inner cylinder, a first exchange chamber is formed inside the inner cylinder, the circulating pipe is arranged inside the first exchange chamber, a second exchange chamber is formed between the inner wall of the outer cylinder and the outer wall of the inner cylinder, the water outlet end of the circulating pipe is communicated with the top of the second exchange chamber, the water inlet end of the circulating pipe is communicated with the top of the water outlet exchanger, a first water inlet pipe is arranged at the bottom of the second exchange chamber, a first water outlet pipe is arranged at the top of the second exchange chamber, and the exchange pipe is arranged inside the second exchange chamber;
the water outlet exchanger comprises an exchange barrel, a second water inlet pipe, a second water outlet pipe and a circulating insertion pipe; the second outlet pipe with the circulation intubate all sets up the top of change drum, the second inlet tube sets up the bottom of change drum, the end of intaking of second inlet tube with the play water end intercommunication of first outlet pipe, the play water end of second inlet tube is higher than the end of intaking of second outlet pipe with the end of intaking of circulation intubate, the play water end of circulation intubate with the end intercommunication of intaking of circulating pipe, the play water end of water pump with first inlet tube intercommunication, the second outlet pipe with water-cooling radiator's the end intercommunication of intaking.
Compared with the prior art, the invention at least comprises the following beneficial effects:
the water-cooling liquid crystal display advertising machine with the TEC heat dissipation air conditioner can seal the display screen, the controller and the heat dissipation device through the shell, so that dust is prevented from entering the shell to cause short circuit, meanwhile, the TEC refrigeration system is arranged in the heat dissipation device, so that high-efficiency heat dissipation is realized, the phenomenon of overheat short circuit caused by uneven heat dissipation is avoided, the protection grade of outdoor IP65 is met, the heat dissipation efficiency is improved, and the service life of the advertising machine is prolonged.
Other advantages, objects, and features of the water-cooled lcd advertising unit with TEC heat dissipating air conditioning of the present invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination and practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural view of a water-cooled liquid crystal display advertising machine with a TEC heat dissipation air conditioner according to the present invention.
Fig. 2 is a schematic structural view of the back side of the water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner of the present invention.
Fig. 3 is a schematic view of the internal structure of the back side of the water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner of the present invention.
Fig. 4 is an exploded view of fig. 3.
Fig. 5 is a schematic cross-sectional view of a water-cooled liquid crystal display advertising machine with a TEC heat dissipation air conditioner according to the present invention.
Fig. 6 is a schematic view of the air circulation of fig. 5.
Fig. 7 is a schematic structural diagram of a converter in the water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner of the present invention.
Fig. 8 is a top view of fig. 7.
Fig. 9 is a sectional view taken along the direction a in fig. 8.
Fig. 10 is an exploded view of a water inlet exchanger of the water-cooled lcd advertising machine with the TEC heat dissipation air conditioner according to the present invention.
Fig. 11 is an exploded view of a water outlet exchanger in the water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner according to the present invention.
Fig. 12 is a cross-sectional view of fig. 11.
In the figure: the heat dissipation device comprises a shell 1, a display screen 2, a controller 3, a front fan with 4 screens, a water cooling plate 5, a water pump 6, a water cooling radiator 7, a back fan 8, a heat dissipation section 9, a TEC refrigeration piece 10, a heat dissipation window 11, a water inlet exchanger 12, an outer cylinder 121, an inner cylinder 122, an exchange pipe 123, a circulation pipe 124, a first exchange chamber 125, a second exchange chamber 126, a first water inlet pipe 127, a first water outlet pipe 128, a water outlet exchanger 13, an exchange barrel 131, a second water inlet pipe 132, a second water outlet pipe 133 and a circulation insertion pipe 134.
Detailed Description
The present invention is further described in detail below with reference to the drawings and examples so that those skilled in the art can implement the invention with reference to the description.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1 to 12, the present invention provides a water-cooled liquid crystal display advertisement machine with a TEC heat dissipation air conditioner, comprising: the device comprises a shell 1, a display screen 2, a controller 3 and a heat dissipation device; the display screen 2, the controller 3 and the heat dissipation device are all arranged in the shell 1, and a TEC refrigeration system is arranged in the heat dissipation device.
The working principle and the beneficial effects of the technical scheme are as follows: through the design of above-mentioned structure, including casing 1 can be sealed display screen 2, controller 3 and heat abstractor, prevent that the dust from getting into to cause the short circuit, be provided with TEC refrigerating system in the heat abstractor simultaneously, can high-efficient heat dissipation, avoid appearing the overheated short circuit phenomenon that the heat dissipation inequality causes, satisfy outdoor IP65 protection level, improve the radiating efficiency, improve the advertisement machine life-span.
In one embodiment, a first distance is provided between the display screen 2 and the side wall of the housing 1, and a second distance is provided between the top of the display screen 2 and the top of the housing 1. The display screen 2 and the controller 3 are respectively arranged on the inner side wall of the shell 1 and are oppositely arranged, and the heat dissipation device is arranged on the display screen 2. The heat dissipation device comprises a front screen fan 4 and a double refrigeration device; the front screen fan 4 is arranged at the bottom of the display screen 2, the double refrigeration devices are arranged on the display screen 2, and the double refrigeration devices can simultaneously refrigerate the controller 3 when refrigerating the display screen 2. The double refrigerating devices comprise water cooling devices and the TEC refrigerating system; the water cooling device is arranged on the display screen 2, and the TEC refrigerating system is arranged on the water cooling device. The water cooling device comprises a water cooling plate 5, a water pump 6 and a water cooling radiator 7; the water pump 6 with the water-cooling radiator 7 all sets up in the casing 1, the water pump 6 with the water-cooling radiator 7 intercommunication, the end of intaking and the play water end of water-cooling board 5 respectively with the water pump 6 with the water-cooling radiator 7 intercommunication. The TEC refrigerating system comprises a back fan 8, a heat dissipation profile 9 and a TEC refrigerating sheet 10; the TEC refrigeration piece 10 is arranged on the water cooling plate 5, the heat dissipation section bar 9 is arranged on the TEC refrigeration piece 10, and the back fan 8 is arranged on the heat dissipation section bar 9. The back fan 8 is adapted to the position of the controller 3. Be provided with radiator window 11 on the lateral wall of casing 1, radiator window 11 with water-cooling radiator 7's position suits, be provided with radiator fan on the water-cooling radiator 7.
The working principle and the beneficial effects of the technical scheme are as follows: the advertising machine is divided into an upper layer structure and a lower layer structure, the heat dissipation window 11, the water pump 6 and the water-cooling radiator 7 are positioned on the lower layer, the upper layer where the display screen 2 is positioned is in a sealing state, thereby avoiding dust from invading electronic elements in the upper layer of the shell 1 to cause pollution, when the advertising machine carries out heat dissipation, the water pump 6 can drive cooling liquid in the water-cooling plate 5 to circulate, the water-cooling plate 5 can effectively absorb the heat dissipated by the water-cooling plate 5 by being pasted on the back of the display screen 2, the high-temperature cooling liquid reaches the water-cooling radiator 7 for heat dissipation after passing through the water pump 6, a heat dissipation fan on the water-cooling radiator 7 can assist the water-cooling radiator 7 to rapidly cool, meanwhile, the heat dissipation window 11 is arranged on the position opposite to the water-cooling radiator 7, thereby ensuring the ventilation of the water-cooling radiator 7, thereby increasing the heat dissipation efficiency, in the upper shell 1, the front screen fan 4 positioned below the display screen 2 can suck air in the shell 1, because a first distance exists between the display screen 2 and the side wall of the shell 1, namely a first air passage for air circulation exists, a second distance exists between the display screen 2 and the top of the shell 1, namely a second air passage for air circulation exists, cold air sucked from the front screen fan 4 can take away heat on the front side of the display screen 2 through the first air passage and flows out through the second air passage, because the upper shell 1 is a closed space and hot air is concentrated above and falls below, the air sucked through the front screen fan 4 is cold air for cooling, the water cooling plate 5 is connected with the hot end of the TEC cooling plate 10, so that the water cooling plate 5 can cool the TEC cooling plate 10 while cooling the display screen 2, the cold end of the TEC cooling plate 10 is connected with the heat dissipation section bar 9, and the emitted cold air is blown to the controller 3 through the back fan 8, thereby cooling the controller 3, therefore, a closed circulating cooling system in the upper shell 1 is realized, and the lower shell 1 realizes heat dissipation of the water-cooling radiator 7.
In one embodiment, a converter is arranged between the water pump 6 and the water-cooled radiator 7, the water inlet end of the converter is communicated with the water pump 6, and the water outlet end of the converter is communicated with the water-cooled radiator 7;
the converter comprises a water inlet exchanger 12 and a water outlet exchanger 13;
the water inlet exchanger 12 comprises an outer cylinder 121, an inner cylinder 122, an exchange pipe 123 and a circulating pipe 124;
the inner cylinder 122 is arranged inside the outer cylinder 121, the bottom of the inner cylinder 122 is provided with a water outlet, the inside of the inner cylinder 122 forms a first exchange chamber 125, the circulating pipe 124 is arranged inside the first exchange chamber 125, a second exchange chamber 126 is formed between the inner wall of the outer cylinder 121 and the outer wall of the inner cylinder 122, the water outlet end of the circulating pipe 124 is communicated with the top of the second exchange chamber 126, the water inlet end of the circulating pipe 124 is communicated with the top of the water outlet exchanger 13, the bottom of the second exchange chamber 126 is provided with a first water inlet pipe 127, the top of the second exchange chamber 126 is provided with a first water outlet pipe 128, and the exchange pipe 123 is arranged inside the second exchange chamber 126;
the effluent exchanger 13 comprises an exchange barrel 131, a second water inlet pipe 132, a second water outlet pipe 133 and a circulating insertion pipe 134; the second outlet pipe 133 with the circulation intubate 134 all sets up the top of interchange bucket 131, the second inlet tube 132 sets up the bottom of interchange bucket 131, the end of intaking of second inlet tube 132 with the play water end intercommunication of first outlet pipe 128, the play water end of second inlet tube 132 is higher than the end of intaking of second outlet pipe 133 with the end of intaking of circulation intubate 134, the play water end of circulation intubate 134 with the end intercommunication of intaking of circulating pipe 124, the play water end of water pump 6 with first inlet tube 127 intercommunication, the second outlet pipe 133 with the end intercommunication of intaking of water-cooled radiator 7.
The working principle and the beneficial effects of the technical scheme are as follows: a converter is arranged between the water pump 6 and the water-cooling radiator 7, the converter can assist the water-cooling radiator 7 to cool down the circulating cooling liquid in summer, in winter, because the temperature of part of areas is low, in order to avoid the situation that the sensitivity of electronic elements is reduced in low temperature, the shell 1 needs to be insulated, at the moment, the front screen fan 4, the back fan 8 and the cooling fan do not need to be started, the circulating cooling liquid can be heated up through the converter, and therefore the phenomena that the screen is scratched or the reaction speed is slowed down and the like cannot occur in the display screen 2 due to low temperature are avoided;
in summer, the converter can perform auxiliary cooling of the cooling liquid, firstly, the cooling liquid is pumped to the first water inlet pipe 127 by the water pump 6, the high-temperature cooling liquid enters the first exchange chamber 125 through the first water inlet pipe 127, because the water outlet end of the first water inlet pipe 127 is positioned at the upper part of the first exchange chamber 125, the high-temperature cooling liquid can diffuse from top to bottom, the high-temperature cooling liquid entering the first exchange chamber 125 can pass through the circulating pipe 124 from top to bottom, the circulating pipe 124 is positioned in the first exchange chamber 125 in a spiral ring shape, the cooling liquid cooled by the circulating pipe 124 enters the second exchange chamber 126 from the water outlet hole at the bottom of the inner cylinder 122 and fills the second exchange chamber 126 from bottom to top until reaching the first water outlet pipe 128, the exchange pipe 123 is wound on the outer wall of the inner cylinder 122 in a spiral ring shape, the exchange pipe 123 can be a copper pipe, and in summer, the exchange pipe 123 refrigerates to cool the cooling liquid, the cooled coolant reaches the second water inlet pipe 132 through the first water outlet pipe 128 and enters the exchange barrel 131 through the second water inlet pipe 132, and similarly, the coolant flows to the bottom of the exchange barrel 131 from high to low to complete further cooling, and finally most of the coolant is conveyed to the water-cooled radiator 7 through the second water outlet pipe 133 to be further cooled, while the other part flows into the circulating pipe 124 through the circulating insertion pipe 134, and the coolant is conveyed from the water inlet end to the water outlet end of the circulating pipe 124 and enters the second exchange chamber 126 through the water outlet end to start the next cycle, so that the coolant cooled in the water outlet exchanger 13 can be recycled through the above structural design, and the cooling rate is increased;
in winter, the exchanging pipe 123 heats, the water pipe can be prevented from being burst by freezing the cooling liquid, the water cooling plate 5 can be changed into a constant temperature plate, the display screen 2 is insulated, the electronic element sensitivity is prevented from being reduced due to too low temperature in the shell 1, the circulating pipe 124 plays a role in preheating the cooling liquid, the heat generation energy consumption of the exchanging pipe 123 is reduced, and the cost is saved.
Still be provided with temperature sensor in controller 3 for detect the temperature in upper shell 1, start heat abstractor when the temperature is greater than 35 degrees centigrade and dispel the heat, automatic shutdown heat abstractor when the temperature is in between 35 degrees centigrade to 0 degree centigrade, when the temperature is less than 0 degree centigrade, convert exchange pipe 123 into the mode of heating, can carry out the survey of temperature through following formula when temperature sensor detects
Wherein, P s (T) is a Stokes light intensity signal generated by inelastic collision of molecules in the optical fiber and photons in the sensor; the anti-Stokes light intensity signal can be P as (T) and the anti-Stokes light intensity signal can be measured by the following formula
In the above two formulas, K s And K as The responsivity of an APD optical signal of the photoelectric conversion element, namely the quantity of APD photoelectric conversion capacity; s is a backscattering factor; delta. for the preparation of a coating 01 Is the coupling coefficient of the coupler; delta. for the preparation of a coating 02 The product of the optical fiber photodetection coupling factor and the coupler reverse splitting ratio; v. of s And v as Stokes light and anti-stokes light frequencies, respectively; f. of s And f as Filtering factors of stokes light and anti-stokes light respectively; a is a 0 、a s 、a as Loss coefficients of incident light, stokes light and anti-stokes light on the unit length of the optical fiber respectively; p is a radical of 0 Injecting pulse energy value of the optical fiber into the optical fiber by imitating the transmitter; l is the position of a temperature measuring point on the optical fiber of the sensor; r s (T) and R as (T) is the backscattering factor for stokes light and anti-stokes light;
from the above two formulas
Wherein T is the temperature at the fiber l in the sensor; t is a unit of 0 Is the temperature of a section of reference optical fiber arranged at the front section of the optical fiber; h is the Planck constant; Δ v is the raman phonon frequency; k is Boltzmann constant;
the temperature in the upper shell 1 can be monitored in real time through the formula, and the detected temperature is compared with a set value, so that the automatic switching of the heat dissipation device and the mode conversion of the exchange tube 123 are realized, the automation of the advertising machine is realized, and the energy consumption is reduced.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; may be mechanically coupled, may be electrically coupled or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
While embodiments of the invention have been described above, it is not intended to be limited to the details shown, described and illustrated herein, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed, and to such extent that such modifications are readily available to those skilled in the art, and it is not intended to be limited to the details shown and described herein without departing from the general concept as defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a water-cooling liquid crystal display advertisement machine with TEC heat dissipation air conditioner which characterized in that includes: the display screen comprises a shell (1), a display screen (2), a controller (3) and a heat dissipation device; the display screen (2), the controller (3) and the heat dissipation device are all arranged in the shell (1), and a TEC refrigeration system is arranged in the heat dissipation device.
2. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner according to claim 1, wherein a first distance is arranged between the display screen (2) and the side wall of the casing (1), and a second distance is arranged between the top of the display screen (2) and the top of the casing (1).
3. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner according to claim 2, wherein the display screen (2) and the controller (3) are respectively disposed on the inner side wall of the housing (1) and oppositely disposed, and the heat dissipation device is disposed on the display screen (2).
4. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner of claim 3, wherein the heat dissipation device comprises a front screen fan (4) and a double refrigeration device; the front screen fan (4) is arranged at the bottom of the display screen (2), the double refrigerating devices are arranged on the display screen (2), and the double refrigerating devices can refrigerate the controller (3) simultaneously when refrigerating the display screen (2).
5. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner as claimed in claim 4, wherein the dual cooling device comprises a water cooling device and the TEC cooling system; the water cooling device is arranged on the display screen (2), and the TEC refrigeration system is arranged on the water cooling device.
6. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner according to claim 5, wherein the water cooling device comprises a water cooling plate (5), a water pump (6) and a water cooling radiator (7); the water pump (6) with water-cooling radiator (7) all set up in casing (1), water pump (6) with water-cooling radiator (7) intercommunication, the end of intaking of water-cooling board (5) with go out the water end respectively with water pump (6) with water-cooling radiator (7) intercommunication.
7. The water-cooled liquid crystal display advertising machine with TEC heat dissipation air conditioner of claim 6, wherein the TEC refrigeration system comprises a back fan (8), a heat dissipation profile (9) and a TEC refrigeration plate (10); the TEC refrigeration piece (10) is arranged on the water cooling plate (5), the heat dissipation section bar (9) is arranged on the TEC refrigeration piece (10), and the back fan (8) is arranged on the heat dissipation section bar (9).
8. The water-cooled LCD display with TEC heat dissipation air conditioner of claim 7, characterized in that the back fan (8) is adapted to the position of the controller (3).
9. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner according to claim 5, wherein a heat dissipation window (11) is arranged on the side wall of the casing (1), the heat dissipation window (11) is adapted to the position of the water-cooled heat sink (7), and a heat dissipation fan is arranged on the water-cooled heat sink (7).
10. The water-cooled liquid crystal display advertising machine with the TEC heat dissipation air conditioner according to claim 5, wherein a converter is arranged between the water pump (6) and the water-cooled heat sink (7), the water inlet end of the converter is communicated with the water pump (6), and the water outlet end of the converter is communicated with the water-cooled heat sink (7);
the converter comprises a water inlet exchanger (12) and a water outlet exchanger (13);
the water inlet exchanger (12) comprises an outer cylinder (121), an inner cylinder (122), an exchange pipe (123) and a circulating pipe (124);
the inner cylinder (122) is arranged inside the outer cylinder (121), the bottom of the inner cylinder (122) is provided with a water outlet hole, the inside of the inner cylinder (122) forms a first exchange chamber (125), the circulating pipe (124) is arranged inside the first exchange chamber (125), a second exchange chamber (126) is formed between the inner wall of the outer cylinder (121) and the outer wall of the inner cylinder (122), the water outlet end of the circulating pipe (124) is communicated with the top of the second exchange chamber (126), the water inlet end of the circulating pipe (124) is communicated with the top of the water outlet exchanger (13), the bottom of the second exchange chamber (126) is provided with a first water inlet pipe (127), the top of the second exchange chamber (126) is provided with a first water outlet pipe (128), and the exchange pipe (123) is arranged inside the second exchange chamber (126);
the water outlet exchanger (13) comprises an exchange barrel (131), a second water inlet pipe (132), a second water outlet pipe (133) and a circulating insertion pipe (134); the second outlet pipe (133) with circulation intubate (134) all sets up the top of exchange bucket (131), second inlet tube (132) set up the bottom of exchange bucket (131), the end of intaking of second inlet tube (132) with the play water end intercommunication of first outlet pipe (128), the play water end of second inlet tube (132) is higher than the end of intaking of second outlet pipe (133) with the end of intaking of circulation intubate (134), the play water end of circulation intubate (134) with the end intercommunication of intaking of circulating pipe (124), the play water end of water pump (6) with first inlet tube (127) intercommunication, second outlet pipe (133) with the end intercommunication of intaking of water-cooling radiator (7).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386653.2A CN114792493B (en) | 2022-04-13 | 2022-04-13 | Water-cooling liquid crystal display advertising machine with TEC heat dissipation air conditioner |
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| CN202210386653.2A CN114792493B (en) | 2022-04-13 | 2022-04-13 | Water-cooling liquid crystal display advertising machine with TEC heat dissipation air conditioner |
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| CN114792493B CN114792493B (en) | 2024-09-03 |
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|---|---|
| CN114792493B (en) | 2024-09-03 |
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