CN209132576U - Integrated laser optical projection system - Google Patents
Integrated laser optical projection system Download PDFInfo
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- CN209132576U CN209132576U CN201821673581.5U CN201821673581U CN209132576U CN 209132576 U CN209132576 U CN 209132576U CN 201821673581 U CN201821673581 U CN 201821673581U CN 209132576 U CN209132576 U CN 209132576U
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- optical projection
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Abstract
The utility model belongs to Color Laser Projection Technology field, it is intended to provide a kind of integrated laser optical projection system, the integrated laser optical projection system includes the bottom plate of projector, refrigeration system and laser light source and the above-mentioned three of connection, in the present invention, the system solves the problems, such as that the cooling system of laser projection system is bulky caused by external by concentrating detachable connection on bottom plate projector, refrigeration system and laser source system, with this.In addition, because refrigeration system is connected with laser source system, and refrigeration system can absorb the heat of laser source system and cool down the heat using the reversible transition principle of its inner refrigerant, thus, compared to existing integrated laser optical projection system, the power consumption of the integrated laser optical projection system is less, and avoids the bad phenomenon for occurring leak in Cooling Process, generally, the system is easy to implement miniaturization, conducive to transporting and apply, and noise is lower, and cooling efficiency is higher and better heat-radiation effect.
Description
Technical field
The utility model belongs to Color Laser Projection Technology field, is to be related to a kind of integrated laser projection system more specifically
System.
Background technique
It is well known that the core of laser projection system is laser light source, the luminescent device of laser light source is usually laser two
Pole pipe.Laser diode in work can generate a large amount of heat, however, laser diode is very sensitive to temperature, as generated
Heat cannot distribute in time, it will its luminous efficiency and service life are influenced, specifically, and as the temperature rises, laser
The peak wavelength of LED lighting will drift about, this can reduce the light power of laser diode entirety, and brightness is caused to decline,
Colour temperature, chromaticity coordinates can also change therewith.
In time to distribute the heat that laser diode generates, existing laser projection system is typically provided with refrigeration system
System, however, existing laser projection system using split type, i.e., laser light source cabinet is independently arranged with projector, and using light
Fibre connection, refrigeration system is set in laser light source cabinet or laser light source is set in projector, and refrigeration system is independently set to throwing
The outside of shadow machine, it is clear that the structure of both laser projection systems is bulky, is unfavorable for realizing the small of laser projection system
Type.
Utility model content
The purpose of this utility model is to provide a kind of integrated laser optical projection systems, exist in the prior art to solve
Laser projection system volume it is larger, be unfavorable for realize miniaturized structure the technical issues of.
In order to solve the above technical problems, the technical solution adopted in the utility model is: providing a kind of integrated laser projection
System, the integrated laser optical projection system include projector, refrigeration system and the laser source system that can project laser；Described one
Body laser projection system further includes bottom plate, and the projector, the refrigeration system and the laser source system are detachable
Formula is connected on the bottom plate, and the refrigeration system is connected to absorb and utilize refrigerant can with the laser source system
The heat of the cooling laser source system of reverse transformation principle.
Further, the refrigeration system includes being connected with the laser source system to utilize refrigerant suction institute
State the heat of laser source system and the heat of absorption effect under by the refrigerant be vaporized into steam evaporator, to from
Extract the steam in the evaporator out and by the both vapor compression at the compressor of high temperature and high pressure steam and will enter
The high temperature and high pressure steam exothermic condensation at highly pressurised liquid and will the highly pressurised liquid decompression after be transported in the evaporator
Condenser.
Further, the evaporator has included the refrigerant and has offered first entrance and first outlet, the pressure
Contracting machine offers second entrance and second outlet, and the condenser offers third entrance and third outlet；The third outlet
It is connected to the first entrance, the first outlet is connected to the second entrance, and the second outlet is connected to the third entrance.
Further, the two-sided conduit being equipped in hollow or S type in the evaporator, in Yu Suoshu conduit, the refrigeration
Agent reverse circulation in the conduit on evaporator two sides.
Further, the conduit is internal screw thread conduit.
Further, the condenser includes ontology, is set in the ontology to cool down to the high temperature and high pressure steam
The capillary channel and the cooling fin in the ontology and on the outside of the capillary channel in hollow or S type of decompression.
Further, the heat release hole being in communication with the outside is offered on the ontology, the refrigeration system further includes being set to institute
State the blower that ontology side sheds to accelerate heat from the heat release hole.
Further, the two side ends of the projector offer air inlet and the outlet air opposite with the air inlet respectively
Mouthful, it is formed between the air inlet and the air outlet and is conducive to the heat dissipation that the blower takes the heat that the projector generates out of
Air duct, and the air inlet and the air outlet are provided with to dust-proof filter screen.
Further, the laser source system is located at the rear of the projector, and the laser source system is sharp
Light optical path is consistent with the optical path of the projector.
Compared with prior art, the beneficial effect of integrated laser optical projection system provided by the utility model is:
The integrated laser optical projection system includes projector, refrigeration system, laser light source and bottom plate, by that will project
Machine, refrigeration system and laser source system concentrate detachable connection in bottom plate, greatly reduce laser projection system with this
The occupancy volume of system is easy to implement miniaturization, and is conducive to transport and application.In addition, because of refrigeration system and laser source system phase
Connection, refrigeration system can absorb the heat of laser source system and cool down the heat using the reversible transition principle of its inner refrigerant
It measures, and the two-sided conduit being equipped in hollow or S type in the evaporator of refrigeration system, in Yu Suoshu conduit, the refrigerant is steaming
Reverse circulation in the conduit on device two sides is sent out, the flow for increasing refrigerant is set in this way, increases heat exchange area, improves cooling
Effect, so that the temperature of entire evaporator is more uniform, so that the temperature for the laser connecting with evaporator is more balanced,
Guarantee that laser works within the temperature range of equalization stable.Thus, compare existing integrated laser optical projection system, the system
Power consumption it is less, and avoid the bad phenomenon for occurring leak in Cooling Process, generally, noise is lower, and cooling efficiency is higher
And better heat-radiation effect.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new
Some embodiments of type for those of ordinary skill in the art without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is the three-dimensional assembly knot of main parts size on integrated laser optical projection system bottom plate in the utility model embodiment
Structure schematic diagram；
Fig. 2 is the whole simplified schematic diagram of integrated laser optical projection system in the utility model embodiment；
Fig. 3 is the structure schematic diagram of refrigeration system in integrated laser optical projection system in the utility model embodiment；
Fig. 4 is the evaporator schematic diagram of refrigeration system in integrated laser optical projection system in the utility model embodiment.
Wherein, the label in attached drawing is as follows:
100- bottom plate, 200- power supply；
300- refrigeration system, 310- evaporator, 311- conduit, 3111- first entrance, 3112- first outlet, 312- are heat-insulated
Layer, 320- compressor, 321- second entrance, 322- second outlet, 330- condenser, 331- ontology, 332- cooling fin, 333-
Three entrances, the outlet of 334- third, 340- blower；
400- laser source system；500- projector.
Specific embodiment
For technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, below
In conjunction with specific drawings and the specific embodiments, further elaborate to the utility model.Wherein, the utility model is embodied
The same or similar label indicates the same or similar element or element with the same or similar functions in the attached drawing of example.
It should be understood that ground, specific embodiment disclosed below are intended for explaining the utility model, it is not used to limit originally practical new
Type.
It should be noted that when element is referred to as " being fixed on " or " being installed on " or " being set to " or " being connected to " another element
On, it, which can be, is directly or indirectly located on another element.For example, when an element referred to as " is connected to " another yuan
On part, it, which can be, is directly or indirectly connected on another element.Term " length ", " width ", "upper", "lower", " left side ",
The orientation or position of the instructions such as " right side ", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outside" are based on attached drawing
Shown in orientation or position, be only easy for describing, should not be understood as the limitation to the technical program.
In addition, term " first ", " second " only for ease of description, be not understood to indicate or imply relative importance or
Person implicitly indicates the quantity of technical characteristic.The meaning of " plurality " is two or more, unless otherwise specifically defined.
In short, for the ordinary skill in the art, can understand the concrete meaning of above-mentioned term as the case may be.
Below in conjunction with attached drawing 1 and Fig. 2 to a kind of realization progress of integrated laser optical projection system provided by the utility model
It describes in detail.
As shown in Figure 1, the integrated laser optical projection system, including projector 500, refrigeration system 300 and laser can be projected
Laser source system 400.It should be noted that laser source system 400 includes light source module group (not shown), wherein laser is logical
Light source module group is crossed to emit.Specifically in the present embodiment, light source module group is by red laser mould group (not shown), blue laser mould
Group (not shown) and green laser mould group (not shown) are assembled.Certainly, in fact, light source module group can also be by other suitable
Mould group be assembled.
Again as shown in Figure 1, the integrated laser optical projection system further includes bottom plate 100, wherein projector 500, refrigeration system
300 and the equal detachable connection of laser source system 400 on bottom plate 100.In this way, may be implemented to project by bottom plate 100
It is easy to disassemble together with machine, refrigeration system 300 and 400 fixing assembling of laser source system that laser can be projected；More the more important
It is, by being integrated in refrigeration system 300 and laser source system 400 are detachable on bottom plate 100, this can be greatly reduced
The area occupied of laser projection system is conducive to realize miniaturization, is readily transported and applies, but also is convenient for systems inspection and dimension
It repairs.
It should be noted that specifically in the present embodiment, as shown in Fig. 2, projector 500 is set to forefront, laser light source system
System 400 is located at the rear of projector 500, and the laser optical path of laser source system 400 is consistent with the optical path of projector 500.Its
In, power supply 200 is refrigeration system and the laser source system power supply that can project laser.
In addition, cooling down for convenience of the heat generated to laser source system 400, it is ensured that laser source system 400 is protected
Keep steady fixed working condition, and refrigeration system 300 is connected with laser source system 400, wherein refrigeration system 300 mainly to
The heat that laser source system 400 generates is absorbed, and cools down this using the reversible transition principle of refrigerant in refrigeration system 300
Heat.Because can largely absorb heat during the reversible transition of refrigerant, it is therefore to be understood that ground, compares existing integration
The power consumption of water-cooling system in laser projection system, the integrated laser optical projection system in the application is smaller, stability it is stronger and
It is avoided that drainage, in addition, on the whole, heat dissipation effect is more preferable, noise is lower, and cooling efficiency is higher.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model, such as
Shown in Fig. 3, refrigeration system 300 includes evaporator 310, compressor 320 and condenser 330, wherein evaporator 310 and laser light
Source system 400 is connected, and mainly acts on to the heat using refrigerant suction laser source system 400 and in the heat of absorption
Under vaporize the refrigerant into steam.Compressor 320 out of evaporator 310 mainly to extract steam out and by both vapor compression at high temperature
High steam.Condenser 330 is mainly to the high temperature and high pressure steam exothermic condensation that will enter at highly pressurised liquid and by highly pressurised liquid
It is transported to after decompression in evaporator 310.
It is to be appreciated that refrigeration cycle is formed between evaporator 310, compressor 320 and condenser 330, specifically,
After the heat that refrigerant absorbs laser source system 400 in evaporator 310 is vaporizated into steam, compressor 320 will constantly steam
Vapour is extracted out out of evaporator 310, and will take out the both vapor compression come into high temperature and high pressure steam, and then, condenser 330 carrys out conveying
Highly pressurised liquid is formed after high temperature and high pressure steam heat release, and the refrigerant of low temperature liquid is ultimately formed after being depressured, low temperature liquid
After refrigerant is transported to evaporator 310, it is vaporizated into steam after absorbing heat again, so circulation is constantly to laser light source
It is cooling that the heat generated in system 400 carries out heat exchange.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model, such as
Contain refrigerant shown in Fig. 3, in evaporator 310 and offer first entrance 3111 and first outlet 3112, compressor 320 opens up
There are second entrance 321 and second outlet 322, condenser 330 offers third entrance 333 and third outlet 334.Wherein, third
334 connection first entrance 3111 of outlet, first outlet 3112 are connected to second entrance 321, and second outlet 322 is connected to third entrance
333.It is to be appreciated that consecutively connected to each other to ultimately form refrigerant between evaporator 310, compressor 320 and condenser 330
Circuit.Specifically in the present embodiment, it is connected between evaporator 310, compressor 320 and condenser 330 by copper pipe, that is, respectively
Entrance and each outlet are respectively connected with copper pipe.
It can also be understood that ground, according to the reversible transition refrigeration principle of refrigeration system 300, evaporator 310 is by laser source system
400 heat absorptions generated are come in, and the refrigerant (refrigerant) in evaporator 310 is vaporizated into steam after absorbing heat.Wherein, exist
In the present embodiment, compressor 320 extracts steam from the first outlet 3112 of evaporator 310 out, and the steam extracted out passes through second
Entrance 321 enters in compressor 320, second outlet of the high temperature and high pressure steam being compressed into through compressor 320 from compressor 320
322 outflows, and high temperature and high pressure steam is entered in condenser 330 by the third entrance 333 of condenser 330, high temperature and pressure is steamed
The cryogenic liquid that vapour is formed after 330 heat release of condenser decompression passes through first from 334 outflow of the third of condenser 330 outlet
Entrance 3111 enters in evaporator 310, becomes refrigerant to be recycled.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model, such as
Shown in Fig. 2, conduit 311 is equipped in evaporator 310.In in conduit 311, refrigerant is vaporized into steam.Specifically, in the present embodiment
In, because refrigerant is cryogenic liquid, after absorbing the heat that a large amount of laser source system 400 generates, explosive vaporization, by liquid
Body is vaporizated into steam.
Preferably, as shown in figure 4, the two-sided of evaporator 310 sets conduit, conduit 311 is arranged in hollow or S type, refrigerant
The reverse circulation in the two-sided conduit 311 of evaporator 310 increases refrigerant in this way, can be increased heat exchange area and transfer path
Circulation in evaporator 310.Therefore this can greatly increase the heat of refrigerant suction, accelerate laser source system 400 and produce
The cooling efficiency of heat amount, so that the temperature of entire evaporator is more uniform, so that the laser being connect with evaporator
Temperature is more balanced, guarantees that laser works within the temperature range of equalization stable.In addition, specifically in the present embodiment, it is practical
On, evaporator 310 is the interior aluminium sheet for being equipped with conduit 311, wherein for convenience of thermally conductive, the preferably copper pipe of conduit 311.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model is
Improve the radiating efficiency for the heat that laser source system 400 generates, one end that evaporator 310 is connected with laser source system 400
Equipped with heat dissipating layer (not shown).In the present embodiment, which is specially to be coated in evaporator 310 and laser source system
Thermal grease between 400.In addition, to completely cut off evaporator 310 and outside heat, the other end and evaporator 310 of evaporator 310
Around be enclosed with 312 (not shown) of first thermal insulation layer, in this way, external heat transfer can be prevented to refrigerant, thus
Ensure the temperature of the refrigerant in entire circulation loop, improves refrigerant to the practical cooling efficiency of laser source system 400.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model, pressure
312 (not shown) of second thermal insulation layer is equipped at the second entrance 321 and second outlet 322 of contracting machine 320.Specifically in the present embodiment
In, because second entrance 321 and second outlet 322 are respectively connected with copper pipe (not shown), that is, can be in the copper at second entrance 321
Second thermal insulation layer 312 is wrapped up on copper pipe at pipe and second outlet 322, in this way, can ensure that steam is in transmission process and outer
Portion's shield heat away, and then improve the practical cooling efficiency of refrigerant.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model, such as
Shown in Fig. 2, condenser 330 includes ontology 331, capillary channel (not shown) and cooling fin 332.Wherein, capillary channel is set to this
In body 331, mainly to give high temperature and high pressure steam decrease temperature and pressure.Specifically in the present embodiment, capillary channel be in hollow or S type,
In this way, high temperature and high pressure steam, which meets obstructions, to lower pressure, in addition, Fig. 2 institute for another example when passing through narrow capillary channel
Show, because cooling fin 332 is set in ontology 331, and is located on the outside of capillary channel.In this way, because cooling fin 332 can increase radiating surface
Product, thus high-temperature steam can will also obtain Quick diffusing by its temperature of cooling fin 332, therefore, high temperature and high pressure steam is through condensing
Device 330 eventually becomes the refrigerant of low temperature liquid after acting on.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model is
Accelerate to distribute the heat of 330 high temperature high steam of condenser, offers and be in communication with the outside on the ontology 331 of condenser 330
Heat release hole.Accordingly, it sheds to accelerate heat from heat release hole, refrigeration system 300 further includes blower 340, wherein the blower 340
Set on 331 side of ontology, specifically in the present embodiment, as shown in Figure 1, blower 340 is set to the left side of condenser 330.It can manage
Xie Di can accelerate the convection current of air in condenser 330 by the effect of blower 340, thus rapidly high temperature and high pressure steam
Heat take away in a disguised form as liquid.
Further, a kind of specific embodiment as integrated laser optical projection system provided by the utility model is
The heat for accelerating refrigeration system 300 distributes, and the two side ends of projector 500 offer air inlet (not shown) and air outlet respectively
(not shown).Wherein, air outlet is opposite with air inlet, is formed between air inlet and air outlet and is conducive to blower 340 for projector 500
The heat dissipation wind channel (not shown) that the heat of generation is taken out of.
In addition, air inlet and air outlet are provided with to dust-proof filter screen (not shown), in this way, can accelerate to dissipate
While hot, the anti-dust performance of the integrated laser optical projection system also can be improved, and ensure that light decay, color will not occur for whole system
The bad phenomenons such as temperature offset.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model.For this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of the claims of the utility model.
Claims (9)
1. integrated laser optical projection system, the integrated laser optical projection system includes projector, refrigeration system and can project sharp
The laser source system of light, which is characterized in that the integrated laser optical projection system further includes bottom plate, the projector, described
Refrigeration system and the equal detachable connection of the laser source system are on the bottom plate, and the refrigeration system and the laser
Light-source system is connected to absorb and utilize the heat of the cooling laser source system of refrigerant reversible transition principle.
2. integrated laser optical projection system according to claim 1, which is characterized in that the refrigeration system include with it is described
Laser source system is connected to the heat using laser source system described in refrigerant suction and acts in the heat of absorption
It is lower that the refrigerant is vaporized into the evaporator of steam, to extract the steam out out of described evaporator and by the vapour pressure
Shorten into high temperature and high pressure steam compressor and to by the high temperature and high pressure steam exothermic condensation entered at highly pressurised liquid simultaneously
The condenser that will be transported to after highly pressurised liquid decompression in the evaporator.
3. integrated laser optical projection system according to claim 2, which is characterized in that the evaporator has included the system
Cryogen and first entrance and first outlet are offered, the compressor offers second entrance and second outlet, the condenser
Offer third entrance and third outlet；First entrance described in the third outlet, first outlet connection described the
Two entrances, the second outlet are connected to the third entrance.
4. integrated laser optical projection system according to claim 3, which is characterized in that two-sided be equipped with is in the evaporator
The conduit of hollow or S type, in Yu Suoshu conduit, refrigerant reverse circulation in the conduit on evaporator two sides.
5. integrated laser optical projection system according to claim 4, which is characterized in that the conduit is internal screw thread conduit.
6. integrated laser optical projection system according to claim 2, which is characterized in that the condenser includes ontology, sets
In in the ontology in the capillary channel of hollow or S type and to be set to described to the high temperature and high pressure steam decrease temperature and pressure
Cooling fin that is internal and being located on the outside of the capillary channel.
7. integrated laser optical projection system according to claim 6, which is characterized in that offered on the ontology and the external world
The heat release hole of connection, the refrigeration system further include being set to the ontology side to shed to accelerate heat from the heat release hole
Blower.
8. integrated laser optical projection system according to claim 7, which is characterized in that the two side ends of the projector are distinguished
Air inlet and the air outlet opposite with the air inlet are offered, is formed between the air inlet and the air outlet described in being conducive to
The heat dissipation wind channel that blower takes the heat that the projector generates out of, and the air inlet and the air outlet be provided with to
Dust-proof filter screen.
9. integrated laser optical projection system according to any one of claims 1 to 8, which is characterized in that the laser light source
System is located at the rear of the projector, and the laser optical path of the laser source system is consistent with the optical path of the projector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821673581.5U CN209132576U (en) | 2018-10-16 | 2018-10-16 | Integrated laser optical projection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821673581.5U CN209132576U (en) | 2018-10-16 | 2018-10-16 | Integrated laser optical projection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209132576U true CN209132576U (en) | 2019-07-19 |
Family
ID=67231710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821673581.5U Active CN209132576U (en) | 2018-10-16 | 2018-10-16 | Integrated laser optical projection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209132576U (en) |
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2018
- 2018-10-16 CN CN201821673581.5U patent/CN209132576U/en active Active
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