CN104596140B - All-in-one formula projector and its refrigeration system - Google Patents
All-in-one formula projector and its refrigeration system Download PDFInfo
- Publication number
- CN104596140B CN104596140B CN201410764145.9A CN201410764145A CN104596140B CN 104596140 B CN104596140 B CN 104596140B CN 201410764145 A CN201410764145 A CN 201410764145A CN 104596140 B CN104596140 B CN 104596140B
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- Prior art keywords
- laser
- cooled plate
- refrigeration system
- projector
- compressor
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- 238000005057 refrigeration Methods 0.000 title claims abstract description 42
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000010622 cold drawing Methods 0.000 claims description 3
- 238000001704 evaporation Methods 0.000 claims description 2
- 230000008020 evaporation Effects 0.000 claims description 2
- 239000004020 conductor Substances 0.000 claims 1
- 230000017525 heat dissipation Effects 0.000 abstract description 11
- 239000003507 refrigerant Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 9
- 238000001816 cooling Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 238000009423 ventilation Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000007664 blowing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
- F25B1/00—Compression machines, plants or systems with non-reversible cycle
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses all-in-one formula projector and its refrigeration system, wherein, the refrigeration system includes compressor, heat exchanger, water tank and its evaporator；The output end of the compressor connects the input of the heat exchanger；The output end of the heat exchanger connects the input of the evaporator；The output end of the evaporator connects the input of the compressor.Present invention optimizes the refrigerant system design of projector, the heat dissipation problem of the LASER Light Source of projector is solved, with market application value very high；The all-in-one formula projector solves high brightness laser cinematographic projector radiating problem, and optical-mechanical system, laser source system, compressor refrigeration system are all integrated into a casing the inside.After tested, the heat dissipation problem of 20000 lumen levels high-definition movie projectors can be solved, makes high brightness laser cinematographic projector no longer need split type independent rack to cool down, so as to break away from heavy rack.
Description
Technical field
The present invention relates to laser projection heat dissipation technology, more particularly to, a kind of all-in-one formula projector and its refrigeration
System.
Background technology
Laser display product in the market is usually single module design, and heat dissipation design is also single module design.But
Single module design can not meet brightness demand, if additionally increasing module or laser, caloric value is larger.
Also, existing 10000 lumen above laser projection, is all split type, and LASER Light Source is used as an independence
Light source rack, have an independent cooling system, projector is directly connected with projector as a monomer, light source rack using optical fiber
Connect, transport and apply all inconvenient.
Therefore, prior art needs to improve.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of new all-in-one formula projector and its refrigeration system.
Technical scheme is as follows：A kind of refrigeration system of all-in-one formula projector, it includes compressor, heat exchange
Device, water tank and its evaporator；The output end of the compressor connects the input of the heat exchanger；The output end of the heat exchanger
Connect the input of the evaporator；The output end of the evaporator connects the input of the compressor.
Preferably, also water pump, the first cooled plate and the second cooled plate including connecting；The input of the water pump with it is described
The delivery port connection of water tank, output end be connected with the input of first cooled plate, the output end of first cooled plate and
The input connection of second cooled plate, the output end of second cooled plate is connected with the water inlet of the water tank.For example,
First cooled plate is used to connect red blue laser, and second cooled plate is used to connect green (light) laser.
Preferably, the compressor, the heat exchanger, the water tank and its evaporator, may be contained within the all-in-one formula
Inside projector.
Preferably, the compressor is arranged at the lower right corner of the all-in-one formula projector, and the heat exchanger is arranged at institute
The top of all-in-one formula projector is stated, the water tank and its water pump are positioned over the afterbody of the all-in-one formula projector.
Preferably, the water pump is thtee-stage shiplock water pump.
Preferably, the heat exchanger is condenser.
Preferably, the condenser is water-cooled or air cooled condenser.
Preferably, the condenser also sets up choke valve.
Preferably, the refrigeration system also adoption rate integral differential temperature controller regulation temperature.
Preferably, the refrigeration system also sets up the semiconductor cooler for connecting laser.
The another technical scheme of the present invention is as follows：A kind of all-in-one formula projector, it includes housing, and is arranged at the shell
Optical-mechanical system, laser source system, any above-mentioned refrigeration system in internal portion.
For example, the refrigeration system is compressor refrigeration system；Preferably, the optical-mechanical system is used to project and plays, institute
Light source of the laser source system as the optical-mechanical system is stated, the compressor refrigeration system is used to be projected for the all-in-one formula
Machine radiates；Preferably, the compressor refrigeration system is used to be radiated for the laser source system.
Using such scheme, present invention optimizes the refrigerant system design of projector, the LASER Light Source of projector is solved
Heat dissipation problem, with market application value very high；The all-in-one formula projector solves high brightness laser cinematographic projector
Radiating problem, a casing the inside is all integrated into by optical-mechanical system, laser source system, compressor refrigeration system.After tested, energy
The heat dissipation problem of 20000 lumen levels high-definition movie projectors is solved, high brightness laser cinematographic projector is no longer needed split type
Independent rack cooling, so as to break away from heavy rack.
Brief description of the drawings
Fig. 1 is the schematic diagram of one embodiment of all-in-one formula projector of the present invention；
Fig. 2 is the internal structure schematic diagram of Fig. 1.
Specific embodiment
For the ease of understanding the present invention, below in conjunction with the accompanying drawings and specific embodiment, the present invention will be described in more detail.
It should be noted that when element is expressed " being fixed on " another element, it can directly on another element or therebetween
There may be one or more elements placed in the middle.When an element is expressed " connection " another element, it can directly be connected
It is connected to another element or there may be one or more elements placed in the middle therebetween.The term that this specification is used is " vertical
", " level ", "left", "right" and similar statement for illustrative purposes only.
Unless otherwise defined, all of technology and scientific terminology that this specification is used are led with technology of the invention is belonged to
The implication that the technical staff in domain is generally understood that is identical.The term used in the description of the invention in this specification is to be
The purpose of description specific embodiment, is not intended to the limitation present invention.The term "and/or" that this specification is used includes one
The arbitrary and all of combination of individual or multiple related Listed Items.
The heat dissipation problem of laser source system is always a great problem of projector, this heat dissipation design scheme collection ray machine, light
Source, freeze in one, the heat dissipation problem of the LASER Light Source for not only solving also achieves the one of high brightness laser cinematographic projector
Formula is designed, and its structure and realization is made illustrating below.One embodiment of the present of invention is, a kind of all-in-one formula projector
Refrigeration system, it includes compressor, heat exchanger, water tank and its evaporator；The output end of the compressor connects the heat exchange
The input of device；The output end of the heat exchanger connects the input of the evaporator；The output end connection institute of the evaporator
State the input of compressor.So, effective refrigeration system can be realized inside all-in-one formula projector, is integrated the throwing of machine formula
The light source module and/or ray machine module of shadow machine are radiated, the characteristics of with simple structure, good heat dissipation effect.Preferably, also wrap
Include water pump, the first cooled plate and second cooled plate of series connection；The input of the water pump is connected with the delivery port of the water tank, defeated
Go out end to be connected with the input of first cooled plate, the input of the output end of first cooled plate and second cooled plate
End connection, the output end of second cooled plate is connected with the water inlet of the water tank.For example, first cooled plate is used to connect
Red blue laser is connect, second cooled plate is used to connect green (light) laser；And for example, first cooled plate is used to connect respectively
Red laser, blue laser are connect, second cooled plate is used to connect green (light) laser.So, can obtain preferably
Refrigeration, it is adaptable to stronger laser light source, can especially break through the limitation of existing split type product, correct for row
The widespread consensus of industry, light source rack using optical fiber with projector without being connected again, and transport and application are all very convenient.
And for example, all-in-one formula projector also includes water pump, the first cooled plate, the second cooled plate and the 3rd water-cooled of series connection
Plate, first cooled plate is used to connect red laser, and second cooled plate is used to connect blue laser, the described 3rd
Cooled plate is used to connect green (light) laser.Preferably, the corresponding laser of each cooled plate portion envelops, so, can be with
Obtain preferable radiating effect so that high power laser light source is set to possibility.Preferably, the cooled plate sets button
Part, the laser sets installed part, and the installed part is buckled and is fixed on the fastener, the laser is fixed on the water
On cold drawing；Preferably, the cooled plate sets some through holes, for heat loss through convection；Another example is that the cooled plate extends
Some copper posts are set, and it abuts described laser, in quick conductive to the cooled plate being radiated.Preferably, institute
State the setting of copper post array.Preferably, the heat-conducting silicone grease of insulation is set between the copper post so that the laser is located at the water
Among cold drawing parcel, only circuit connects outside with light path.So, extraordinary radiating effect can be obtained, is particularly suitable for height
The laser of power and the all-in-one formula projector of entirety, without making split type projector due to radiating limitation again.
Preferably, the compressor, the heat exchanger, the water tank and its evaporator, may be contained within the all-in-one formula
Inside projector；Preferably, the all-in-one formula projector inside sets some fixed bits, is respectively used to fix the compression
Machine, the heat exchanger, the water tank and its evaporator；And for example, the compressor, the heat exchanger, the water tank and its evaporation
Device, is spirally connected is fixed on inside the all-in-one formula projector respectively.In this manner it is achieved that an all-in-one formula projector for entirety
Structure, using convenient.For example, the compressor is arranged at the lower right corner of the all-in-one formula projector, the heat exchanger sets
The top of the all-in-one formula projector is placed in, the water tank and its water pump are positioned over the afterbody of the all-in-one formula projector.
In order to ensure the effect of current, it is preferred that the water pump is thtee-stage shiplock water pump, so, can be with while hydraulic pressure is ensured
Increase reliability.
Preferably, the heat exchanger is condenser；For example, the condenser is water cooled condenser or air-cooled condensation
Device.Preferably, the condenser also sets up choke valve, and choke valve plays reducing pressure by regulating flow to the refrigerant in condenser, while
Control and regulation flow into the quantity of refrigerant liquid in evaporator, and system is divided into high-pressure side and low-pressure side two large divisions, have
Output and effect beneficial to adjustment control condenser.
Further embodiment of this invention is as follows：A kind of all-in-one formula projector, it includes housing, and is arranged at the housing
Internal optical-mechanical system, laser source system and refrigeration system described in any of the above-described embodiment.For example, the refrigeration system
It is compressor refrigeration system；Preferably, the optical-mechanical system is used to project and plays, and the laser source system is used as the ray machine
The light source of system, the compressor refrigeration system is used to be the all-in-one formula projector heat radiation；Preferably, the compression mechanism
Cooling system is used to be radiated for the laser source system.So, 20000 pioneering lumen levels of the whole world or even higher can be manufactured
All-in-one formula projector, such as laser integral type cinematographic projector, realize the highlighted of LASER Light Source and ray machine unitary design
Degree projector, this integral type laser film projector realizes that peculiar integral type high brightness sets by compressor having internally mounted refrigeration system
Meter.Preferably, gathering hole is also set up on the housing, for operating optical-mechanical system, laser source system, and/or refrigeration system.
For example, by gathering hole set control panel, with control optical-mechanical system, laser source system, and/or refrigeration system work and
Its working condition.For example, optical-mechanical system sets a projection light machine and its control.Preferably, the laser source system is separated and set
Some groups of laser modules are put, for example, the laser source system sets red laser module, blue laser module and green glow swashing
Light module；And for example, the laser source system sets red blue laser module and green laser module, i.e. by red laser
Module is wholely set with blue laser module.
For ease of I＆M, it is preferred that the housing sets the upper shell and lower house for mutually fastening, ray machine system
System, laser source system and refrigeration system are fixedly installed in lower house respectively, and the upper shell is detachably set, this
Sample, can easily open the housing, each component inside inspection and maintenance.
It is to strengthen heat dispersion, it is preferred that the housing also sets up some air vents, for by the heat of the enclosure interior
Air flow is to hull outside；For example, the housing also sets up two groups of air vents, every group of air vent includes some air vents, excellent
Choosing, two groups of air vents are opposed, for example, the housing has two relative sides, wherein, one group of ventilation is set per one side
Hole；Preferably, in every group of air vent, each ventilation hole array is set.In order to strengthen anti-dust performance, it is preferred that each air vent exists
The outside of the housing, sets the first port lid diagonally downward, with formed an obliquely downward to air channel, so as to avoid a large amount of ashes
Dirt enters directly into the enclosure interior；Preferably, first port lid is wholely set with the housing；Preferably, described
One port lid is 1/4 spheroid form, and such benefit is that overall volume is big, ventilation is big on the premise of materials are relatively saved；In order to increase
Strong anti-dust performance, it is preferred that the second port lid that each air vent is tilted upward in the inner side of the housing, setting, to form one
The air channel of individual oblique direction, so as to avoid a large amount of dusts from entering directly into the enclosure interior；Preferably, second port lid with
The housing is wholely set；Preferably, second port lid is 1/4 spheroid form.For example, first port lid and described second
Port lid forms a S-shaped section.In order to strengthen anti-dust performance, it is preferred that each air vent also sets up a filter screen, to filter dust
Or dust；So, by three effects of the first port lid, filter screen and the second port lid, each air vent is obtained for triple guarantors
Shield so that the dust of the enclosure interior greatly reduces, and optical-mechanical system is able to greatly improve with laser source system working environment.
And for example, the aperture of the air vent is 0.9 to 2.1 millimeter, it is preferred that the aperture of the air vent is 1.3 to 1.8 millimeters；Through
Test, this level of aperture, on the premise of certain ventilation and heat performance is ensured, with preferable dust-proof effect.
Preferably, near the position of water tank or water pump, first group of air vent is set；Preferably, with described first
Second group of relative disposed at air vent of group air vent sets blowing fan, and the air of enclosure interior is passed through into second group of ventilation for active
Send out in hole so that enclosure interior radiating effect is preferable.Preferably, in first group of air vent, each air vent is set outside one
Male screen pack, it has part spherical shape, and externally protrudes out in the hull outside；Preferably, raised type screen pack is elasticity
Screen pack, so, when blowing fan works, raised type screen pack deforms gently towards the case inside, and work is stopped in blowing fan
When making, raised type screen pack restores to the original state, it is hereby achieved that preferably dust-proof effect.
As shown in figure 1, one embodiment of the present of invention is, and a kind of all-in-one formula projector, it sets blower fan 101, operation
Mouth 102, air vent 103, compressor 104 and red blue light cooled plate 105, its internal structure is as shown in Fig. 2 including heat exchanger
201st, water tank 202, water pump 203, green (light) laser 204, green glow cooled plate 205, red blue laser 206, projection light machine 207.
Red blue light cooled plate is the cooled plate of red blue laser, and green glow cooled plate is the cooled plate of green (light) laser.This laser is integrally
Formula cinematographic projector is designed for many module high-power and high-luminances, can meet 20000 lumen brightness demands.Laser module is modularization
Design, is separately mounted in two pieces of cooled plates.Projector is compressor having internally mounted, water tank, water pump, heat exchanger, cooled plate, realizes highlighted
Degree laser integral type cinematographic projector.
For example, this all-in-one formula projector, as laser integral type cinematographic projector, its compressor having internally mounted, heat exchanger, water
Case, water pump, cooled plate heat dissipating package system.Red, blue laser shares one piece of cooled plate, the independent one piece of water-cooled of green (light) laser
Plate, and green (light) laser band thermoelectric (al) cooler (TEC, Thermo Electric Cooler) can accurate temperature controlling.Light source is placed in light
Behind machine, compressor is placed in machine top with the machine afterbody lower right corner, condenser is positioned over, and water tank and water pump are positioned over machine tail
Portion, and three water pumps are coupled in series.For example, thermoelectric (al) cooler is semiconductor cooler.
Compressor outlet accesses evaporator overhead condenser → be out connected to from condenser again evaporator in water tank → be then return to pressure
Contracting machine is circulated.Water outlet of water tank connects water pump → red blue light cooled plate → green glow cooled plate → water tank inlet.Water pump is three-level
Relay pump, reliability can also be increased while hydraulic pressure is ensured.Cooled plate is coupled in series, and cold water is from red, blue light water-cooled
Plate enters, and goes out from green glow cooled plate.Water-cooling system passing ratio integral differential temperature controller (PID, Proportional
Integral Derivative) regulation temperature, laser is worked in safe temperature range.
Compressor by after refrigerant compression by condenser cooling after through capillary enter water tank in evaporator water tank
Interior water refrigeration, the refrigerant gas from water tank out return compressor interior circulation.Cold water in pump handle water tank is extracted out,
It is transported to cooled plate to cool down laser, hot water returns to water tank circularly cooling.
Further, embodiments of the invention also include that each technical characteristic of the various embodiments described above is mutually combined what is formed
All-in-one formula projector and its refrigeration system.This all-in-one formula projector and its refrigeration system solve dissipating for high-brightness projection machine
The radiating problem of hot problem, especially high brightness laser cinematographic projector, and be unitary design, it is easy to use and carrying.
Wherein, optical-mechanical system, laser source system, compressor refrigeration system are all integrated into a housing the inside.This all-in-one formula is projected
Machine and its refrigeration system, the heat sink conception for being provided can solve the heat dissipation problem of 20000 lumen levels high-definition movie projectors, make height
Brightness laser cinematographic projector no longer needs split type independent rack to cool down, and breaks away from heavy rack, and be the pioneering whole world
20000 lumen levels integral type laser film projectors.
It should be noted that preferred embodiment of the invention is given in specification of the invention and its accompanying drawing, but,
The present invention can be realized by many different forms, however it is not limited to the embodiment described by this specification, these embodiments
Not as the extra limitation to present invention, there is provided the purpose of these embodiments is to make the understanding to the disclosure
It is more thorough comprehensive.Also, above-mentioned each technical characteristic continues to be mutually combined, the various embodiments that formation is not enumerated above,
It is considered as the scope of description of the invention record；Further, for those of ordinary skills, can be according to the above description
Improved or converted, and all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (9)
1. a kind of refrigeration system of all-in-one formula projector, it is characterised in that including compressor, heat exchanger, water tank and its evaporation
Device；
The output end of the compressor connects the input of the heat exchanger；
The output end of the heat exchanger connects the input of the evaporator；
The output end of the evaporator connects the input of the compressor；
Also include water pump, the first cooled plate and second cooled plate of series connection；The water outlet of the input of the water pump and the water tank
Mouthful connection, output end is connected with the input of first cooled plate, the output end of first cooled plate and second water
The input connection of cold drawing, the output end of second cooled plate is connected with the water inlet of the water tank；
Wherein, first cooled plate is used to connect red blue laser, and second cooled plate is used to connect green (light) laser；
The red blue laser of first cooled plate portion envelops, the second cooled plate portion envelops green (light) laser is described
Being extended in first cooled plate and the second cooled plate has some copper posts, and the copper post abuts the red blue laser and green glow
Laser, in quick conductive to first cooled plate and the second cooled plate being radiated；
The compressor, the heat exchanger, the water tank and its evaporator, may be contained within inside the all-in-one formula projector.
2. refrigeration system according to claim 1, it is characterised in that the compressor is arranged at the all-in-one formula projector
The lower right corner, the heat exchanger is arranged at the top of the all-in-one formula projector, and the water tank and its water pump are positioned over described
The afterbody of all-in-one formula projector.
3. refrigeration system according to claim 2, it is characterised in that the water pump is thtee-stage shiplock water pump.
4. refrigeration system according to claim 3, it is characterised in that the heat exchanger is condenser.
5. refrigeration system according to claim 4, it is characterised in that the condenser is water-cooled or air cooled condenser.
6. refrigeration system according to claim 5, it is characterised in that the condenser also sets up choke valve.
7. refrigeration system according to claim 6, it is characterised in that it goes back the regulation of adoption rate integral differential temperature controller
Temperature.
8. refrigeration system according to claim 7, it is characterised in that also set up the conductor refrigeration for connecting laser
Device.
9. a kind of all-in-one formula projector, it is characterised in that including housing, and the ray machine system for being arranged at the enclosure interior
System, such as laser source system, any one of claim 1 to 8 compressor refrigeration system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764145.9A CN104596140B (en) | 2014-12-11 | 2014-12-11 | All-in-one formula projector and its refrigeration system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410764145.9A CN104596140B (en) | 2014-12-11 | 2014-12-11 | All-in-one formula projector and its refrigeration system |
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| Publication Number | Publication Date |
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| CN104596140A CN104596140A (en) | 2015-05-06 |
| CN104596140B true CN104596140B (en) | 2017-06-23 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106324956A (en) * | 2015-06-30 | 2017-01-11 | 海信集团有限公司 | Laser light source heat dissipation system and laser projection system |
| CN105467731B (en) * | 2015-12-16 | 2017-08-01 | 深圳市帅映科技股份有限公司 | A kind of heat management system of laser projection |
| CN113703268B (en) * | 2021-08-24 | 2022-12-06 | 北京梯影传媒科技有限公司 | Heat dissipation type holographic projection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005121250A (en) * | 2003-10-14 | 2005-05-12 | Seiko Epson Corp | Cooling device, and rear projector |
| CN101275787B (en) * | 2007-03-29 | 2010-06-02 | 三洋电机株式会社 | Apparatus including freezing unit and projector including freezing unit |
| JP2011028030A (en) * | 2009-07-27 | 2011-02-10 | Panasonic Corp | Image display apparatus |
| CN102913883A (en) * | 2012-11-02 | 2013-02-06 | 北京环宇蓝博科技有限公司 | Water cooling device of bare engine |
| CN103424964A (en) * | 2013-09-11 | 2013-12-04 | 吴佳明 | Projector capable of being used for underwater working |
| CN203673211U (en) * | 2013-12-18 | 2014-06-25 | 广东威创视讯科技股份有限公司 | Projector heat radiator |
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