WO2017166967A1 - Dispositif de projection et système de refroidissement de liquide associé - Google Patents

Dispositif de projection et système de refroidissement de liquide associé Download PDF

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Publication number
WO2017166967A1
WO2017166967A1 PCT/CN2017/074958 CN2017074958W WO2017166967A1 WO 2017166967 A1 WO2017166967 A1 WO 2017166967A1 CN 2017074958 W CN2017074958 W CN 2017074958W WO 2017166967 A1 WO2017166967 A1 WO 2017166967A1
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WO
WIPO (PCT)
Prior art keywords
medium
water pump
cooling
liquid
heat exchanger
Prior art date
Application number
PCT/CN2017/074958
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English (en)
Chinese (zh)
Inventor
谢涛
林伟
李屹
Original Assignee
深圳市光峰光电技术有限公司
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Application filed by 深圳市光峰光电技术有限公司 filed Critical 深圳市光峰光电技术有限公司
Publication of WO2017166967A1 publication Critical patent/WO2017166967A1/fr

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Classifications

    • 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

Definitions

  • the utility model relates to the technical field of heat dissipation of a projection device, and more particularly to a projection device and a liquid cooling system thereof.
  • the heat dissipation system of the projection device has two types: air-cooling heat dissipation and liquid-cooling heat dissipation.
  • the liquid-cooling heat dissipation is mainly applied to a high-brightness projection device, and the liquid-cooling heat dissipation system mainly includes: a water pump, a water-cooled plate and a switch which are connected in series and form a closed circuit.
  • the heat exchanger wherein the circulating fluid of the cooling liquid is realized by the water pump, the heat-generating component is dissipated by the water-cooling plate, and the cooling liquid is cooled by the heat exchanger.
  • the above problem is solved by adding a water tank 13. Specifically, as shown in FIG. 1, the water pump 11, the water-cooling plate 12, the water tank 13, and the heat exchanger 14 are sequentially connected in series. After installation, the water tank 13 is located at the highest position of the liquid cooling system along the gravity direction, the water pump 11 is at the lowest position of the liquid cooling system, the water pump 11 is filled with the coolant, the bubbles move upward by gravity and finally collect at the top of the water tank 13. So that bubbles do not collect in the water pump 11.
  • the liquid cooling system described above when the liquid cooling system described above is installed in reverse, the water pump 11 is at the highest point, the water tank 13 is at the lowest point, and the air bubbles are collected in the water pump 11.
  • the above-mentioned liquid cooling and cooling system is installed in the only direction, which makes it suitable only for the projection device with the only installation direction, and is not applicable to projection devices that require 360° free installation, such as engineering projection equipment.
  • the present invention provides the following technical solutions:
  • a liquid cooling heat dissipation system for a projection apparatus comprising: a pipe, a water pump, a cooling plate and a heat exchanger, wherein the water pump, the cooling plate and the heat exchanger are connected by the pipe, the pipe, the water pump And the cooling plate and the medium cavity of the heat exchanger are connected to form a closed circuit for circulating the cooling liquid;
  • At least a portion of a medium cavity in the closed circuit is located on a side of the medium volume of the water pump, and at least a portion of a medium cavity in the closed circuit is located in the The other side of the medium chamber of the pump.
  • the heat exchanger and the cooling plate are respectively located on both sides of the water pump;
  • a portion of the medium volume of at least one of the heat exchanger and the cooling plate is located on a side of the medium cavity of the water pump, and a portion of the medium cavity of at least one of the heat medium and the cooling plate is located The other side of the medium chamber of the water pump;
  • a portion of the medium volume of at least one of the heat exchanger and the cooling plate is located on a side of the medium chamber of the water pump, and a portion of the medium volume of at least one of the heat medium is located The other side of the medium chamber of the water pump;
  • the Y direction, the X direction and the Z direction are perpendicular to each other.
  • the cooling plate comprises at least two cooling sub-plates connected in series.
  • the cooling plate comprises three cooling sub-plates connected in series, which are a first cooling sub-board, a second cooling sub-board and a third cooling sub-plate;
  • a portion of the medium volume of the heat exchanger and a medium volume of the third cooling sub-plate are located on a side of the medium chamber of the water pump, and a medium capacity of the second cooling sub-board a portion of the cavity is located on the other side of the medium volume of the water pump;
  • a portion of the medium volume of the heat exchanger is located on one side of the medium chamber of the water pump, and a medium chamber of the first cooling partition is located on the other side of the medium chamber of the water pump.
  • the medium cavity of the extension being in communication with the medium cavity in the closed loop
  • the medium volume of the water pump protrudes from the duct, the water pump, the cooling plate, and the medium cavity of the heat exchanger, and the medium cavity of the extension protrudes from the The medium volume of the pump.
  • the medium volume of the extension has only an extension inlet, and any one of the closed loops communicates with the medium chamber of the extension through the extension inlet.
  • the medium volume of the extension has an extension inlet and an extension outlet, and any two medium chambers in the closed loop pass through the extension inlet and the extension outlet respectively to the medium cavity of the extension Connected.
  • the extension inlet is in communication with a medium volume of the heat exchanger, the extension outlet being in communication with a medium volume of the water pump through a medium volume of the conduit.
  • At least one of the pipes comprises: a metal pipe section and two joint pipe sections, wherein the two joint pipe sections respectively communicate with both ends of the metal pipe section, and the joint pipe section is a rubber pipe or a plastic pipe.
  • the liquid cooling system of the above projection device further comprises: a fan that blows the heat exchanger.
  • the liquid-cooling heat dissipation system of the above-mentioned projection apparatus further includes an automatic liquid replenisher, the automatic liquid replenisher comprising: a liquid storage portion for storing the cooling liquid, and a pressure maintaining portion connected to the liquid storage portion; wherein A reservoir is in communication with a medium volume in the closed circuit, the pressure maintaining portion for maintaining a pressure within the reservoir and a pressure within a chamber of the closed circuit.
  • an automatic liquid replenisher comprising: a liquid storage portion for storing the cooling liquid, and a pressure maintaining portion connected to the liquid storage portion; wherein A reservoir is in communication with a medium volume in the closed circuit, the pressure maintaining portion for maintaining a pressure within the reservoir and a pressure within a chamber of the closed circuit.
  • the liquid storage portion is in communication with the heat exchanger.
  • the liquid storage portion includes: a liquid storage housing, a sliding plate slidably disposed inside the liquid storage housing; wherein the sliding plate is sealingly connected with the housing and forms a storage for the storage medium Liquid chamber
  • the pressure maintaining portion includes: a maintaining portion housing connected to the liquid storage case; a pressure maintaining spring provided in the maintaining portion housing; wherein one end of the pressure maintaining spring is fixed to the maintaining portion shell The other end of the pressure maintaining spring is fixedly connected to the sliding plate.
  • the present invention further provides a projection device including a liquid cooling heat dissipation system, wherein the liquid cooling heat dissipation system is the liquid of the projection device according to any one of the above items, based on the liquid cooling heat dissipation system of the projection device provided above. Cold cooling system.
  • the liquid cooling heat dissipating system of the projection device provided by the utility model has a partial medium cavity in one side of the water pump cavity body in any direction, and a part of the medium heat capacity component is located in the water pump cavity body. On one side, the pump cavity will not be at the top of the entire liquid cooling system in either direction, thus avoiding the accumulation of air bubbles in the pump, thereby avoiding the accumulation of air bubbles in the pump in a 360° freely mounted projection device.
  • FIG. 1 is a schematic structural view of a liquid cooling heat dissipation system of a projection apparatus provided by the prior art
  • FIG. 2 is a first structural schematic diagram of a liquid cooling heat dissipation system of a projection apparatus according to an embodiment of the present invention
  • Figure 3 is a front elevational view of the liquid cooling system of the projection apparatus of Figure 2;
  • FIG. 4 is a second schematic structural diagram of a liquid cooling heat dissipation system of a projection apparatus according to an embodiment of the present invention
  • FIG. 5 is a third structural schematic diagram of a liquid cooling heat dissipation system of a projection apparatus according to an embodiment of the present invention.
  • Figure 6 is a schematic view showing the internal communication of the auxiliary device and the heat exchanger of Figure 5;
  • FIG. 7 is a schematic structural diagram of a projection apparatus according to an embodiment of the present invention.
  • FIG. 8 is another schematic structural diagram of a projection apparatus according to an embodiment of the present invention.
  • 11 is a water pump
  • 12 is a cooling plate
  • 13 is a water tank
  • 14 is a heat exchanger
  • 21 is a water pump
  • 22 is a third cooling sub-plate
  • 23 is a second cooling sub-plate
  • 24 is a first cooling sub-board
  • 25 is a fan
  • 26 is a heat exchanger
  • 261 is a heat exchanger inlet
  • 262 is a heat exchange tube
  • 27 is a pipe
  • 271 is a metal pipe section
  • 272 is a joint pipe section
  • 28 is an automatic liquid accumulator
  • 29 is an extension part
  • 291 is an extension outlet
  • 210 is a light source module
  • 211 is a color wheel module
  • 212 is a light machine module
  • 213 is a lens module.
  • the liquid cooling heat dissipation system of the projection device provided by the embodiment of the present invention comprises: a pipe 27, a water pump 21, a cooling plate and a heat exchanger 26, and the water pump 21, the cooling plate and the heat exchanger 26 are connected by a pipe 27, a pipe 27, a water pump 21.
  • the cooling plate and the medium volume of the heat exchanger 26 are in communication to form a closed circuit for the flow of the coolant.
  • At least a portion of a medium volume in the closed circuit is located on a side of the medium volume of the water pump 21, and at least a portion of a medium volume in the closed circuit is located in the medium capacity of the water pump 21.
  • the other side of the cavity is located on a side of the medium volume of the water pump 21, and at least a portion of a medium volume in the closed circuit is located in the medium capacity of the water pump 21.
  • the medium chamber side of the water pump 21 and the other side of the medium chamber of the water pump 21 are the opposite sides of the medium chamber of the water pump 21 in this direction.
  • At least one part of a medium volume in the closed circuit is located on the side of the medium volume of the water pump 21 in any direction, for example, a medium in the closed circuit
  • a portion of the cavity is located on the side of the medium chamber of the water pump 21
  • a medium in the closed circuit is located on the side of the medium chamber of the water pump 21
  • a portion of the at least two medium chambers in the closed circuit is located in the medium chamber of the water pump 21.
  • At least two medium chambers in one side, closed loop are located on the medium chamber side of the water pump 21, or a portion of the at least one medium chamber in the closed loop is located on the medium chamber side of the water pump 21 and at least one medium in the closed loop
  • the cavity is located on the side of the medium chamber of the water pump 21.
  • a portion of a medium volume in the closed circuit is located on the other side of the medium volume of the water pump 21, and there are various cases as described above. Specifically, a portion of a medium volume in the closed circuit is located on the other side of the medium volume of the water pump 21, a medium in the closed circuit is located on the other side of the medium volume of the water pump 21, and at least two medium chambers in the closed circuit A portion of the portion of the water pump 21 is located on the other side of the medium volume of the water pump 21, at least two of the medium chambers of the closed circuit are located on the other side of the medium chamber of the water pump 21, or a portion of the at least one medium chamber of the closed circuit is located at the water pump 21 The other side of the medium chamber and at least one of the medium chambers in the closed circuit are located on the other side of the medium chamber of the water pump 21.
  • the liquid cooling heat dissipating system of the projection device has at least a portion of a medium cavity in the closed circuit located on one side of the medium cavity of the water pump 21 in any direction, and has at least a closed loop.
  • a part of a medium cavity is located on the other side of the medium volume of the water pump 21, and in any direction, the medium volume of the water pump 21 is not at the top of the entire liquid cooling system, thereby preventing air bubbles from being inside the water pump 21. Aggregation, in turn, avoids the accumulation of air bubbles in the water pump 21 in a 360° freely mounted projection apparatus.
  • the heat exchanger 26 and the cooling plate are respectively located on both sides of the water pump 21 in the Y direction; the heat exchanger 26 and the cold plate along the Z direction.
  • At least one portion of the medium volume is located on the side of the medium chamber of the water pump 21, and a portion of the medium chamber of at least one of the portions is located on the other side of the medium chamber of the water pump 21; along the X direction, the heat exchanger 26 and a portion of the cooling plate, at least one of the medium chambers is located on the side of the medium chamber of the water pump 21, and a portion of the medium chamber of at least one of the portions is located on the other side of the medium chamber of the water pump 21, as shown in FIG. And Figure 4 shows.
  • the Y direction, the X direction and the Z direction are perpendicular to each other, that is, the Y direction is perpendicular to the X direction, the Y direction is perpendicular to the Z direction, and the X direction is perpendicular to the Z direction.
  • the axial direction of the fan 25 is the Y direction
  • the longitudinal direction of the third cooling partition 22 is the X direction, that is, the horizontal direction in FIG. 3
  • the thickness direction of the third cooling partition 22 is Z direction, which is the vertical direction in FIG.
  • the water pump 21 is located between the heat exchanger 26 and the cooling plate, as shown in FIGS. 2 and 4, that is, the medium volume of the water pump 21 is located in the medium volume of the heat exchanger 26. Between the medium chamber of the cooling plate, the medium volume of the water pump 21 is not located at the highest position of the entire liquid cooling system, so that the bubbles do not collect in the water pump 21.
  • the medium volume of the water pump 21 is located between a portion of the medium volume of the heat exchanger 26 and a portion of the medium volume of the cooling plate, or the medium volume of the water pump 21 is located at the heat exchange.
  • the medium volume of the medium chamber or the medium chamber of the water pump 21 is located in the middle of the medium volume of the heat exchanger 26 and is located in the middle of the medium volume of the cooling plate, that is, the medium volume of the water pump 21 is not located in the entire liquid cooling system. The highest position allows the bubbles to no longer collect in the water pump 21.
  • the medium volume of the water pump 21 is located between a portion of the medium volume of the heat exchanger 26 and a portion of the medium volume of the cooling plate, or the medium volume of the water pump 21 is in heat exchange. Between the portion of the medium chamber of the device 26 and a portion of the medium chamber of the cooling plate, or the medium chamber of the water pump 21 is located in the middle of the medium chamber of the heat exchanger 26, or the medium chamber of the water pump 21 is located at the cooling plate The middle of the medium chamber, or the medium chamber of the water pump 21 is located in the middle of the medium chamber of the heat exchanger 26 and located in the middle of the medium chamber of the cooling plate, that is, the pump chamber is not located at the highest position of the entire liquid cooling system. The bubbles are prevented from accumulating in the water pump 21.
  • the liquid cooling device of the above-mentioned projection device may also select two parts of the medium cavity of the heat exchanger 26 and a part of the medium cavity of the cooling plate respectively located in the medium cavity of the water pump 21 in the Y direction.
  • the side, or the medium chamber of the heat exchanger 26 and the portion of the medium chamber of the cooling plate are respectively located on both sides of the water pump chamber, and are not limited to the above embodiment.
  • the cooling plate includes at least two cooling sub-plates connected in series.
  • the number of the cooling sub-boards is designed according to the number of the heat-generating components 29 that need to dissipate heat, which is not limited by the embodiment of the present invention.
  • the cooling plate includes three cooling sub-plates connected in series, which are a first cooling sub-board 24, a second cooling sub-board 23, and a third cooling sub-board 22.
  • a portion of the medium volume of the heat exchanger 26 and a medium volume of the third cooling sub-plate 22 are located on the side of the medium chamber of the water pump 21, and the second cooling A portion of the medium volume of the partition plate 23 is located on the other side of the medium volume of the water pump 21; in the X direction, a portion of the medium volume of the heat exchanger 26 is located on the side of the medium chamber of the water pump 21, and the first cooling point
  • the medium volume of the plate 24 is located on the other side of the medium volume of the water pump 21.
  • part of the medium volume of the first cooling sub-board 24, the second cooling sub-board 23, and the third cooling sub-plate 22 may be selected to be located in the medium capacity of the water pump 21.
  • the top surface of the cavity on the other side of the cavity is shown in Figure 3.
  • the heat dissipation system of the projection device further includes an extension portion 29, the medium cavity of the extension portion 29 is in communication with the medium cavity in the closed circuit; wherein, in one direction, the medium cavity of the water pump 21 protrudes from the pipe 27, The water volume of the water pump 21, the cooling plate and the heat exchanger 26, and the medium volume of the extension 29 protrudes from the medium volume of the water pump 21.
  • the medium volume of the water pump 21 in a certain direction is at the highest position of the entire heat dissipation system, and the medium volume of the extension portion 29 can be increased in the direction to extend the portion 29 in the direction.
  • the medium cavity protrudes from the medium volume of the water pump 21, so that the medium volume of the water pump 21 is not in the highest position of the entire liquid cooling system in this direction, which is convenient for the purpose and convenient for production and manufacture.
  • the medium volume of the extension portion 29 can communicate with a medium volume in the closed loop, and can also communicate with two medium chambers in the closed loop.
  • the media volume of the extension 29 is preferably only provided with an extension inlet, and any one of the closed loops communicates with the media volume of the extension 29 through the extension inlet.
  • the medium volume of the heat exchanger 26 can be selected to communicate with the medium chamber of the extension portion 29 through the extension inlet, and the medium volume of the cooling plate can be selected to extend through the inlet and the medium portion of the extension portion 29.
  • the chamber is in communication, and the medium chamber of the optional tube 27 is in communication with the medium chamber of the extension portion 29 through the extension inlet.
  • the medium chamber of the water pump 21 can be selected to communicate with the medium chamber of the extension portion 29 through the extension inlet.
  • the medium chamber of the extension portion 29 is preferably provided with an extension inlet and an extension outlet 291, and any two medium chambers in the closed loop are respectively connected to the medium chamber of the extension portion 29 through the extension inlet and the extension outlet 291, respectively.
  • the extension 29 can be connected in parallel with one of the components in the closed loop or in series in the closed loop. Further, the extensions 29 are preferentially connected in series in a closed loop.
  • the extension 29 can be connected in series between the heat exchanger 26 and the pipe 27, between the two pipes 27, between the water pump 21 and the pipe 27, between the water-cooled plate and the pipe, and the like.
  • the extension inlet is in communication with the medium chamber of the heat exchanger 26, and the extension outlet 291 communicates with the medium chamber of the water pump 21 through the medium chamber of the conduit 27, as shown in FIG.
  • the heat exchanger 26 is a component commonly used by those skilled in the art, and the specific structure of the heat exchanger 26 can be designed according to actual needs.
  • the heat exchanger 26 includes a heat exchange housing, and a heat exchange tube 262 located in the heat exchange housing.
  • the coolant flows through the heat exchange tubes 262.
  • the number and distribution of the heat exchange tubes 262 can be designed according to the heat exchange requirements, which is not limited by the embodiment of the present invention.
  • the medium volume of the extending portion 29 may be a housing cavity or a tubular body cavity, which is not limited by the embodiment of the present invention.
  • the medium cavity of the above extension portion 29 is a housing cavity, as shown in FIG.
  • the pipe 27 is selected as a plastic pipe or a rubber pipe, but the water vapor permeability coefficient and the gas permeability of the plastic pipe and the rubber pipe are both low, resulting in a large evapotranspiration loss of the entire liquid cooling system.
  • at least one conduit 27 comprising: a metal pipe section 271 and two joint pipe sections 272, wherein the two joint pipe sections 272 are respectively in communication with both ends of the metal pipe section 271, and the joint pipe section 272 is rubber Tube or plastic tube, as shown in Figures 2 and 4.
  • the metal pipe has a lower permeability coefficient and gas permeability than the plastic pipe and the rubber pipe, the evapotranspiration is effectively reduced.
  • the liquid cooling heat dissipation system of the above projection apparatus includes a fan 25 that blows heat to the heat exchanger 26, as shown in FIGS. 2-4 and 5.
  • the type and number of the fan 25 can be selected according to actual needs, which is not limited by the embodiment of the present invention.
  • the liquid cooling system of the above projection apparatus further includes an automatic liquid accumulator 28, as shown in FIG. 4 and FIG. 5, the automatic liquid accumulator 28 includes: a liquid storage portion for storing the cooling liquid, and is connected to the liquid storage portion. a pressure maintaining portion; wherein the liquid storage portion is in communication with the medium chamber in the closed circuit, and the pressure maintaining portion is configured to maintain the pressure in the liquid storage portion and the pressure in the medium volume in the closed circuit.
  • the automatic liquid accumulator 28 injects the liquid in the liquid storage portion into the liquid cooling circulation system under the action of the pressure maintaining portion; thereby ensuring the heat dissipation performance of the entire liquid cooling system and At the same time, when the automatic liquid accumulator 28 is in the lower position, the liquid replenishment can also be realized due to the presence of the pressure maintaining portion, and is suitable for any mounting direction.
  • the liquid storage portion is in communication with the medium cavity in the closed circuit. Specifically, the liquid storage portion communicates with the medium cavity in the closed circuit through the pipe 27, and the liquid storage portion can be selectively connected to the medium cavity of the heat exchanger 26, Optionally, it can be connected to the medium chamber of the cooling plate. In order to facilitate the installation, the liquid storage portion is preferentially connected to the medium chamber of the heat exchanger 26.
  • the pressure maintaining portion of the automatic liquid accumulator 28 has various structures.
  • the liquid storage portion preferably includes: a liquid storage housing, a sliding plate slidably disposed inside the liquid storage housing; wherein the sliding plate is sealingly connected with the housing and forming a liquid storage chamber for the storage medium; the pressure is maintained
  • the portion includes: a maintaining portion housing connected to the liquid storage case, and a pressure maintaining spring disposed on the maintaining portion housing; wherein one end of the pressure maintaining spring is fixed to the maintaining portion housing, and the other end of the pressure maintaining spring is fixedly connected with the sliding plate .
  • the pressure maintaining spring is a compression spring, and the compression amount of the compression spring can be designed according to actual needs, which is not limited by the embodiment of the present invention.
  • the pressure in the liquid storage portion is the same as the pressure in the medium volume in the closed circuit.
  • the pressure in the liquid storage portion is high, and the pressure maintains the spring to push the partition.
  • the plate moves, the liquid in the liquid storage portion flows to the heat exchange component, and when the pressure is balanced, the liquid is not replenished.
  • the pressure maintaining spring with a pressurized gas.
  • the force of the pressure gas to the partition plate is the same as the force of the liquid in the liquid storage portion to the partition plate, and the pressure in the liquid storage portion is in the closed loop.
  • the pressure in the medium cavity is the same.
  • the pressure in the medium volume in the closed circuit is low, the pressure in the liquid storage portion is high, the pressure gas pushes the partition to move, and the liquid in the liquid storage portion flows to the heat exchange component.
  • no rehydration is required.
  • the liquid cooling system of the above projection apparatus may also select the automatic liquid charger 28 as other structures, and is not limited to the above embodiment.
  • the embodiment of the present invention further provides a projection apparatus, which includes a liquid cooling heat dissipation system, and the liquid cooling heat dissipation system is the projection apparatus described in the above embodiment. Liquid cooling system.
  • the liquid-cooling heat-dissipating system of the projection apparatus provided by the above embodiments has the above-mentioned technical effects.
  • the projection apparatus provided by the embodiment of the present invention has the liquid-cooling heat-dissipating system of the above-mentioned projection apparatus, and the projection apparatus provided by the embodiment of the present invention also has corresponding The technical effects will not be described in this article.
  • the third cooling sub-board 22 and the second cooling sub-board 22 are respectively located on both sides of the light source module 210 and are matched with the light source module 210, and the water pump is arranged.
  • 21 is located on a side of the light source module 210 away from the lens module 213.
  • the first cooling sub-board 24 is located between the optical module 212 and the color wheel module 211.
  • the fan 25 and the heat exchanger 26 are both located in the color wheel module 211. Keep away from the side of the first cooling sub-board 24.
  • the first cooling sub-board 24 simultaneously cools the optical module 212 and the color wheel module 211, reduces cooling components, simplifies the structure, and facilitates reduction of the entire projection device. volume.
  • the fan 25 is located on both sides of the heat exchanger 26 to enhance heat exchange with the heat exchanger 26.
  • the heat exchanger 26 is provided with a fan 25 near one side of the water pump 21 and one side away from the water pump 21.

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Projection Apparatus (AREA)
  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

La présente invention concerne un dispositif de projection et un système de refroidissement de liquide associé. Le système de refroidissement de liquide du dispositif de projection comprend : une canalisation, une pompe à eau, une plaque de refroidissement et un échangeur de chaleur. Les cavités de milieu de la canalisation, la pompe à eau, la plaque de refroidissement et l'échangeur de chaleur sont en communication pour former une boucle fermée pour la circulation d'un liquide de refroidissement. Dans une direction quelconque, au moins une partie d'une cavité de milieu dans la boucle fermée est située d'un côté d'une cavité de milieu de la pompe à eau, et au moins une partie d'une cavité de milieu dans la boucle fermée est située de l'autre côté de la cavité de milieu de la pompe à eau. Dans le système de refroidissement de liquide du dispositif de projection de la présente invention, dans n'importe quelle direction, une partie d'une cavité de milieu d'un ensemble d'échange de chaleur est située d'un côté de la cavité de pompe à eau, et une partie de la cavité de milieu de l'ensemble d'échange de chaleur est située de l'autre côté de la cavité de pompe à eau, alors dans n'importe quelle direction, la cavité de pompe à eau n'est pas disposée au sommet de l'ensemble du système de refroidissement de liquide, de façon à éviter ainsi la collecte des bulles dans la pompe à eau, et éviter ainsi la collecte des bulles dans la pompe à eau dans le dispositif de projection dans l'installation de 360 degrés de liberté.
PCT/CN2017/074958 2016-03-29 2017-02-27 Dispositif de projection et système de refroidissement de liquide associé WO2017166967A1 (fr)

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CN201620249599.7U CN205726818U (zh) 2016-03-29 2016-03-29 投影设备及其液冷散热系统
CN201620249599.7 2016-03-29

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CN205726818U (zh) * 2016-03-29 2016-11-23 深圳市光峰光电技术有限公司 投影设备及其液冷散热系统
CN114838542A (zh) * 2022-05-07 2022-08-02 深圳市华盛源机电有限公司 液冷板

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CN101056522A (zh) * 2006-04-14 2007-10-17 鸿富锦精密工业（深圳）有限公司 散热器及应用该散热器的液冷散热装置
CN101846872A (zh) * 2009-03-25 2010-09-29 精工爱普生株式会社 投影机
CN104602487A (zh) * 2014-12-24 2015-05-06 杭州华为数字技术有限公司 液冷换热系统
CN205726818U (zh) * 2016-03-29 2016-11-23 深圳市光峰光电技术有限公司 投影设备及其液冷散热系统

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