CN105652573A

CN105652573A - Laser projection device

Info

Publication number: CN105652573A
Application number: CN201610180020.0A
Authority: CN
Inventors: 张琰
Original assignee: Hisense Group Co Ltd
Current assignee: Hisense Group Co Ltd
Priority date: 2016-03-25
Filing date: 2016-03-25
Publication date: 2016-06-08

Abstract

The embodiment of the invention relates to the technical field of projection, in particular to a laser projection device and aims at improving the heat dissipation efficiency of a heat source part inside the laser projection device. In the embodiment, heat produced by a laser source part and heat produced by a laser machine part are both guided into a heat centralizing module through heat guide tubes, the heat on the heat centralizing module is dissipated through a heat dissipation modules in a centralized mode, and the purpose of dissipating the heat of the laser source part and the laser machine part is achieved. Due to the fact that the heat on the heat centralizing module is dissipated in the centralized mode, the heat dissipation efficiency is improved.

Description

A kind of laser projection device

Technical field

The embodiment of the present invention relates to projection art, particularly relates to a kind of laser projection device.

Background technology

At present, projector has been widely used in every field, and projector is the equipment being projected to by video signal on projection screen or metope after the video signal of receiving computer. Along with the development of projector, owing to laser has the plurality of advantages such as brightness height, gamut range be wide, laser apparatus is adopted to be used widely as the laser projection of luminous source.

Laser projection device inside comprises multiple heat source component that can produce heat, such as LASER Light Source parts and light machine parts. The working temperature of the LASER Light Source parts of laser projection device is higher, especially in the LASER Light Source with fluorescent wheel, the laser conversion that fluorescent wheel absorbing laser device is launched is fluorescence, the temperature on fluorescent wheel surface can reach about 200 degree, other parts of LASER Light Source parts, also raising fast of the temperature of the devices such as such as transmissive mirror. And in concrete working process, work temperature rise is all had certain restriction requirement by LASER Light Source parts, temperature can not be too high. If temperature is too high, then affecting working efficiency and the fluorescence efficiency of conversion of LASER Light Source parts, even also can damage LASER Light Source parts, when such as temperature is too high, transmissive mirror can deform, and so, then the light path of LASER Light Source parts cannot normal operation.

To sum up, a kind of laser projection device that LASER Light Source parts are had higher heat radiation efficiency is needed badly.

Summary of the invention

The embodiment of the present invention provides a kind of laser projection device, for improving the heat radiation efficiency of the heat source component to laser projection device inside.

The embodiment of the present invention provides a kind of laser projection device, comprising:

Heat source component; Heat source component at least comprises LASER Light Source parts and light machine parts;

Heat conduction pipe, one end of heat conduction pipe is connected with heat source component, and the other end connects heat and concentrates module; Module is concentrated for the heat that each parts in heat source component produce is exported to heat;

Heat concentrates module, for the heat that each parts in the heat source component receiving the importing of heat conduction pipe produce;

Heat radiation module, for concentrating module to dispel the heat heat.

In the embodiment of the present invention, by heat conduction pipe, the heat that LASER Light Source parts and light machine parts produce all is imported heat and concentrate module, the heat in module is concentrated to carry out concentrating the mode of heat radiation to achieve the object of LASER Light Source parts and the heat radiation of light machine parts heat by heat radiation module, owing to being that heat is concentrated the heat in module carry out concentrating heat radiation, therefore improve heat radiation efficiency; In addition owing to this process is without the need to directly dispelling the heat to LASER Light Source parts and light machine parts, prevent the problem that in radiation processes, dust is brought into again LASER Light Source parts and light machine parts; Further, the embodiment of the present invention only arranges a heat radiation module for concentrating module to dispel the heat heat, it is not necessary to for LASER Light Source parts and light machine parts arrange heat radiation module respectively, simplify the structure of the heat radiation module of laser projection device inside.

Accompanying drawing explanation

In order to the technical scheme being illustrated more clearly in the embodiment of the present invention, below the accompanying drawing used required in embodiment being described is briefly introduced.

The structural representation of a kind of laser projection device that Fig. 1 a provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 1 b provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 1 c provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 1 d provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 2 a provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 2 b provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 2 c provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 3 a provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 3 b provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 4 a provides for the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 4 b provides for the embodiment of the present invention;

Fig. 4 c is the schematic diagram of the flow circuits of cooling fluid in the heat conduction pipe in the laser projection device shown in Fig. 4 b;

Fig. 4 d is the schematic diagram of the flow circuits of cooling fluid in the heat conduction pipe in a kind of laser projection device in the embodiment of the present invention;

The structural representation of a kind of laser projection device that Fig. 4 e provides for the embodiment of the present invention.

Reference numeral on Figure of description: 1-laser projection device machine shell; 2-sealed enclosure; 3-LASER Light Source parts; 4-fluorescent wheel; 6-light machine parts; 7-DMD; 9-heat concentrates module; 10-thermally conductive material; 11-first fan; 12-power panel and/or driving plate; 13-the 2nd fan; 14-laser apparatus; 16-first optical mirror slip; 23-dispels the heat module; 24-heat conduction pipe; 25-heat radiating fin sheet; 26-scatterer; 27-divider; 28-pump; 29-bin; 30-heat source component; 31-water-cooling head; 32-first water-cooling head; 33-the 2nd water-cooling head; 34-the 3rd water-cooling head; 35-the 4th water-cooling head.

Embodiment

In order to make the object of the present invention, technical scheme and useful effect clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated. It is to be understood that specific embodiment described herein is only in order to explain the present invention, it is not intended to limit the present invention.

Embodiment one

In the embodiment of the present invention, the parts of laser projection device at least comprise the parts of two parts: first part: heat source component; Second section: power panel and/or driving plate. Wherein, heat source component at least comprises LASER Light Source parts and light machine parts.

Can selection of land, LASER Light Source parts are use the first shell to carry out the closed structure closed. Can selection of land, light machine parts are use the 2nd shell to carry out the closed structure closed.

Can selection of land, LASER Light Source parts at least comprise laser apparatus, fluorescent wheel. Can selection of land, LASER Light Source parts also comprise the first optical mirror slip. Can selection of land, light machine parts at least comprise DMD (DigitalMicromirrorDevice, be called for short DMD). Can selection of land, light machine parts also comprise the 2nd optical mirror slip.

In laser projection device, the parts that usually can produce a large amount of heats mainly contain following:

The first, the laser apparatus in LASER Light Source parts. Laser apparatus, while sending exciting light, produces a large amount of heat. For high power laser light projector equipment, its superpower must with the generation of high calorie. The corresponding operating temperature range of laser apparatus, the top temperature in the operating temperature range of this laser apparatus is lower, if outside the temperature of laser apparatus exceedes this operating temperature range, such as higher than the top temperature in this operating temperature range, then laser apparatus may lose efficacy. That is, laser apparatus is in laser projection device a thermal source, more easily produces heat, but self can not work in again under higher temperature simultaneously.

2nd, the first optical mirror slip in LASER Light Source parts. LASER Light Source parts comprise one or more optical mirror slip, and that is the first optical mirror slip comprises the one or more optical mirror slips in LASER Light Source parts. First optical mirror slip, while transmission laser, also absorbs the laser of small part, and this part laser that the first optical mirror slip absorbs can be converted into heat, thus causes the rising of temperature on the first optical mirror slip. The top temperature of the operating temperature range of the first optical mirror slip is also lower, if outside the operating temperature range of the temperature of the first optical mirror slip more than the first optical mirror slip, such as higher than the top temperature in this operating temperature range, then the first optical mirror slip may deform, and finally causes light to decline problem.

3rd, the fluorescent wheel in LASER Light Source parts. Fluorescent material on fluorescent wheel is subject to laser illumination and sends three primary colours light, and fluorescent wheel also can produce a large amount of heats simultaneously, thus causes the rising of temperature on fluorescent wheel. The top temperature of the operating temperature range of fluorescent wheel is also lower, if outside the temperature of fluorescent wheel exceedes the operating temperature range of fluorescent wheel, such as higher than the top temperature in this operating temperature range, then the motor of fluorescent wheel may lose efficacy.

4th, the DMD in light machine parts. A slice DMD is arranged closely in together by ranks by many small square reflecting optics, and is attached to and formed in the electronic nodes of one piece of silicon wafer. Each minor reflective eyeglass correspond to a pixel of synthetic image. DMD numerary signal red, green, blue order rotates, the minor reflective eyeglass on DMD according to the position of pixel and color number be opened or closed, these light by the reflection of tiny mirror DMD on, eventually through camera lens projection on screen. In the process of DMD work, DMD, while reflected light, also absorbs part light, and this part optical transition that DMD absorbs is heat thus makes the rise in temperature of DMD. The top temperature of the operating temperature range of DMD is also lower, if the temperature of DMD is more than outside the operating temperature range of DMD, such as higher than the top temperature in this operating temperature range, then DMD may lose efficacy.

Can selection of land, laser projection device also comprises camera lens. Specifically, a plane in two planes of camera lens needs towards view field, to enable camera lens project to view field. The principle of work of laser projection device is, laser apparatus sends exciting light, by the convergence of the first optical mirror slip, is radiated on fluorescent wheel, and the irradiation that the fluorescent material of fluorescent wheel is subject to laser sends red, green, blue three base light. Red, green, blue three base light projects on DMD by the colour filter wheel of high speed rotating, is then projected on camera lens by the 2nd optical lens, and camera lens completes image projection by ray cast to screen.

By the discussion of foregoing, it is seen that, in laser projection device, heat source component can produce a large amount of heats, but temperature is also comparatively responsive, under namely can not working in the higher situation of Working environment temperature. Therefore, the embodiment of the present invention is for improving heat radiation efficiency when being dispelled the heat by this type of heat source component, so that the Working environment temperature ensureing heat source component remains within suitable temperature range.

Fig. 1 a illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides. As shown in Figure 1a, the laser projection device in the embodiment of the present invention comprises:

Heat concentrates module, is positioned at sealed enclosure outside; For the heat that each parts in the heat source component receiving the importing of heat conduction pipe produce;

Heat radiation module, for concentrating module to dispel the heat heat.

Can selection of land, as shown in Figure 1a, laser projection device comprises laser projection device machine shell 1, laser projection device machine shell 1 comprise heat source component 30, heat conduction pipe 24, heat concentrate module 9 and heat radiation module 23. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6.

Can selection of land, heat concentrates the distance between each parts in module and heat source component to be greater than the first distance threshold. First distance threshold is such as 4 centimetres etc. Concentrate for ensureing first distance threshold all maintain a certain distance between each parts in module and heat source component by heat, in order to avoid heat concentrates the heat received in module to be had an impact by heat source component again.

Can selection of land, heat radiation module and heat concentrate the distance between module to be less than the 3rd distance threshold; 2nd distance threshold is greater than the 3rd distance threshold. That is, heat radiation module and heat concentrate the close together of module, and so heat could be concentrated the heat in module to carry out more effective heat radiation by heat radiation module. And dispel the heat the distance between module and heat source component can far can also be near because heat source component is not directly dispelled the heat by heat radiation module, therefore dispel the heat between module and heat source component without the need to close together.

In the embodiment of the present invention, the heat produced by heat source component by heat conduction pipe is all imported heat and concentrates module, concentrate the heat in module to carry out concentrating heat radiation heat by heat radiation module, it is to increase heat radiation efficiency; And owing to being that heat is concentrated the heat in module carry out concentrating heat radiation, and and non-immediate heat source component is dispelled the heat, therefore prevent the problem that in radiation processes, dust is brought into again heat source component, it is to increase the dust-proof degree of heat source component. On the other hand, due to by means of only one dispel the heat module concentrate to heat concentrate module dispel the heat, therefore without the need to by heat radiation module vibrational power flow be multiple respectively each parts of heat source component are dispelled the heat, thus simplify dispel the heat module structure.

In the embodiment of the present invention, heat conduction pipe can be various ways, such as heat pipe, or the pipeline of inner trickling cooling fluid. Heat conduction pipe is a kind of parts that the heat for being produced by heat source component takes that heat concentrates module to. In the embodiment of the present invention, heat conduction pipe can be one, it is possible to thinks multiple.

As shown in Figure 1a, the heat in the embodiment of the present invention concentrates module can be one heat is insensitive, under higher temperature can be worked in, and the good parts of thermal conductivity. When heat conduction pipe is multiple, heat concentrates module to be connected with all heat conduction pipes. Now, such as heat concentrates module to be the heat-conducting block that one piece of thermally conductive material forms, and one end of all heat conduction pipes is all connected on this heat-conducting block, thus by the delivered heat on heat conduction pipe on this heat-conducting block. For another example, heat concentrates module to be the heat radiating fin sheet being made up of thermally conductive material, and one end of all heat conduction pipes is all connected on this heat radiating fin sheet, thus by the delivered heat on heat conduction pipe on this heat radiating fin sheet.

Fig. 1 b illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides. As shown in Figure 1 b, laser projection device comprises laser projection device machine shell 1, comprises heat source component 30, heat conduction pipe 24, the concentrated module 9 of heat and heat radiation module 23 at laser projection device machine shell 1. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. Can selection of land, also the concentrating portions of all heat conduction pipes in heat conduction pipe can being called, heat concentrates module, that is, heat concentrates module to be a region, comprising a part for each the heat conduction pipe in heat conduction pipe in this region, now heat concentrates module to be also connected with each the heat conduction pipe in heat conduction pipe. Such as when heat conduction pipe is heat pipe, the accumulation area of the condensation end of all heat conduction pipes is heat and concentrates module, and now heat concentrates a module not real object, is only the address of the title of the accumulation area of the condensation end to heat conduction pipe.

Can selection of land, heat radiation module comprise the first fan, the first fan be positioned at heat concentrate module side; For concentrating the mode of module to concentrate module to dispel the heat heat by the air flowing through the first fan blows to heat.

Fig. 1 c illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides. As illustrated in figure 1 c, laser projection device comprises laser projection device machine shell 1, comprises heat source component 30, heat conduction pipe 24, the concentrated module 9 of heat and heat radiation module 23 at laser projection device machine shell 1. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. Heat concentrates module 9 to can be heat radiating fin sheet 25; Heat radiation module 23 comprises the first fan 11. Can selection of land, when heat conduction pipe is heat pipe, heat concentrate module comprise heat radiating fin sheet. Heat radiating fin sheet, is connected with the condensation end of heat conduction pipe; For the heat that each parts received in heat source component that heat conduction pipe imports produce.

Give an example, such as heat radiating fin sheet is some solid sheet structures, now it is connected with heat radiating fin sheet by one end by all heat conduction pipes of thermally conductive material, the heat that each parts in the heat source component that reception heat conduction pipe is transmitted by heat radiating fin sheet produce, now the air flowing through the first fan is blowed to heat radiating fin sheet by the first fan, now can realize the object to the cooling of heat radiating fin sheet, based on heat transfer theory, after decrease in temperature on heat radiating fin sheet, the heat on one end being connected by thermally conductive material with heat radiating fin sheet can be continued through thermally conductive material and transfer to heat radiating fin sheet.

Can selection of land, the laser projection device in the embodiment of the present invention also comprises power panel and drives the parts such as plate. This base part is usually lower to dust susceptibility, namely can be operated in dust overlay capacity bigger when, and Heating element in this base part is more, such as power panel and drive the Heating element on all kinds of plate card surfaces in plate. This base part surface usually also relatively unfairness. Further, this base part can be operated in the temperature of Working environment higher when, namely this base part is lower to the temperature requirement of Working environment, it is not necessary to high efficiency heat radiation.

Based on above-mentioned discussion, by heat source component etc. that temperature is comparatively responsive in the embodiment of the present invention, require that the parts with relatively high cooling efficiency are gathered in a place, by power panel and driving plate and so on to temperature-insensitive, and the parts not requiring higher heat radiation efficiency are gathered in a place, by heat radiation module, two base parts are dispelled the heat respectively.

Can selection of land, heat radiation module also comprise the 2nd fan; Power panel and/or driving plate are between the first fan and the 2nd fan, so that the air flowing through the first fan and the 2nd fan through power panel and/or drives plate, power panel and/or driving plate are dispelled the heat. In the embodiment of the present invention power panel and/or drive plate can: specifically refer to power panel, or specifically refer to driving plate, or specifically refer to power panel and drive plate.

Fig. 1 d illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides. As shown in Figure 1 d, laser projection device comprises laser projection device machine shell 1, comprises heat source component 30, heat conduction pipe 24, the concentrated module 9 of heat and heat radiation module 23 at laser projection device machine shell 1. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. Heat concentrates module 9 to can be heat radiating fin sheet 25; Heat radiation module 23 comprises the first fan 11 and the 2nd fan 13. Also comprise power panel between first fan 11 and the 2nd fan 13 and/or drive plate 12. Heat radiation module also comprises the 2nd fan. Can selection of land, power panel and/or drive plate between the first fan and the 2nd fan, so that the air flowing through the first fan and the 2nd fan through power panel and/or drives plate, to power panel and/or drive plate to dispel the heat.

In the embodiment of the present invention, can selection of land, heat is concentrated module to dispel the heat by the first fan in heat radiation module, namely now the heat source component in laser projection device is dispelled the heat by the first fan, dispels the heat the first fan in module and the air that flows through between the 2nd fan afterwards again to power panel and/or drive plate to dispel the heat. Visible, owing to dispelling the heat in the embodiment of the present invention, namely module achieves simultaneously to heat source component only by the first fan and the 2nd fan, and the heat radiation of power panel and/or driving plate, this kind of design greatly simplify the structure formation of module of dispelling the heat in laser projection device, and improve the heat radiation efficiency to heat source component on the one hand, too increase on the other hand power panel and/or the heat radiation driving plate, more optimize power panel and/or drive the Working environment of plate. And the wind flowed between the first fan and the 2nd fan is fully effectively utilized, farthest to optimize the Working environment of laser projection device.

Can selection of land, the first fan is blast inlet fan, the 2nd fan be air-out one's intention as revealed in what one says fan; Or, the first fan is air-out one's intention as revealed in what one says fan, and the 2nd fan is blast inlet fan. The blast inlet of the corresponding laser projection device in the position of blast inlet fan, the corresponding laser projection device in the position of air-out one's intention as revealed in what one says fan go out air port. Specifically, the air outside laser projection device enters from blast inlet, and flows out from going out air port.

Can selection of land, power panel and/or drive plate be positioned at: the left side of heat source component or right side; Or, the top of heat source component or bottom. That is, power panel and/or driving plate are concentrated and is placed on first location region, heat source component is concentrated and is placed on second position region; First location region is positioned at the left side in second position region, right side, top or bottom.

Laser projection device is a rectangular parallelepiped, comprises six faces, before being respectively, below, end face, bottom surface, the left side and the right side. In above-mentioned Fig. 1 a to Fig. 1 d, assume that the face seen is before laser projection device, then based on the structural representation of the laser projection device shown in Fig. 1 a to Fig. 1 d, Fig. 2 a illustrates in the embodiment of the present invention structural representation of a kind of laser projection device provided; Fig. 2 b illustrates in the embodiment of the present invention structural representation of a kind of laser projection device provided; Fig. 2 c illustrates in the embodiment of the present invention structural representation of a kind of laser projection device provided. Shown in Fig. 2 a, Fig. 2 b and Fig. 2 c is a cutting plane of laser projection device, the frontoparallel in cutting plane and Fig. 1 a to Fig. 1 d in Fig. 2 a, Fig. 2 b and Fig. 2 c. Power panel and/or driving plate being concentrated and be placed on first location region, it is that example is described that heat source component is placed on second position region. As shown in Fig. 2 a, Fig. 2 b and Fig. 2 c, laser projection device comprises laser projection device machine shell 1, comprises heat source component 30, heat conduction pipe 24, the concentrated module 9 of heat and heat radiation module 23 at laser projection device machine shell 1. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. Heat concentrates module 9 to can be heat radiating fin sheet 25; Heat radiation module 23 comprises the first fan 11 and the 2nd fan 13. Also comprise power panel between first fan 11 and the 2nd fan 13 and/or drive plate 12.

As shown in Figure 1 d, place about first location region and second position region. First location region is positioned at the right side in second position region. First fan is between first location region and second position region, and the 2nd fan is positioned at the right side in first location region. The now bottom surface of the machine shell of laser projection device in the first fan corresponding position and offer the first air port below, offers the 2nd air port on the right side of the machine shell of the laser projection device of the 2nd fan corresponding position. Now, heat radiating fin sheet is between second position region and first location region.

Specifically, by the bottom surface of the first fan projected at the machine shell of laser projection device, now the view field of the first fan on the bottom surface of the machine shell of laser projection device offers the first air port; By the first fan projected after the machine shell of laser projection device, now laser projection device machine shell below on the view field of the first fan offer the first air port. By the 2nd fan projected on the right side of the machine shell of laser projection device, now the view field of the fan of the rumor on the right side of the machine shell of laser projection device offers the 2nd air port.

Can selection of land, the first fan is blast inlet fan, and now, the first air port is blast inlet; 2nd fan is air-out one's intention as revealed in what one says fan, and now, the 2nd air port is out air port. Under the effect of blast inlet fan, the outside air of laser projection device enters laser projection device inside by blast inlet, this outside air is blowed to heat radiating fin sheet by blast inlet fan, so that outside air and heat radiating fin sheet carry out thermal exchange, and then is taken away by the heat on heat radiating fin sheet. Owing to receiving the heat that heat source component transmits on heat radiating fin sheet, therefore the temperature of outside air is lower than the temperature on heat radiating fin sheet. The air carrying out thermal exchange with heat radiating fin sheet is under the effect of blast inlet fan and air-out one's intention as revealed in what one says fan, flow through the power panel between blast inlet fan and air-out one's intention as revealed in what one says are fanned and/or drive plate, and discharge laser projection device by going out air port, thus complete the radiation processes of laser projection device inside. That is, the heat of the heat source component that heat radiating fin sheet receives first is dispelled the heat by outside air, power panel and/or driving plate is dispelled the heat afterwards again.

Another kind can in selection of land embodiment party's formula, and the first fan is air-out one's intention as revealed in what one says fan, and now, the first air port is out air port; 2nd fan is blast inlet fan, and now, the 2nd air port is blast inlet. Under the effect of blast inlet fan, the outside air of laser projection device enters laser projection device inside by blast inlet, afterwards air blast inlet fan and air-out one's intention as revealed in what one says fan effect under, first flow through the power panel between blast inlet fan and air-out one's intention as revealed in what one says are fanned and/or drive plate, first power panel and/or driving plate are dispelled the heat, the one's intention as revealed in what one says of air flow air-out afterwards is fanned, and blow to heat radiating fin sheet under the effect of air-out one's intention as revealed in what one says fan, so that air and heat radiating fin sheet carry out thermal exchange, and then are taken away by the heat on heat radiating fin sheet. Discharge laser projection device by air-out one's intention as revealed in what one says mouth under the effect that air is fanned in air-out one's intention as revealed in what one says afterwards, thus complete the radiation processes of laser projection device inside.

Further, after embodiment of the present invention outside air enters laser projection device, when dust is brought into laser projection device inside by outside air, the dust that outside air is brought into can drop on the path of this outside air in laser projection device process device on, and the path flowed through due to outside air comprises heat radiating fin sheet and the first fan, 2nd fan, visible, outside air does not comprise the device to dust sensitivity in the path of laser projection device inside, namely the device of outside air on the path of laser projection device inside all can be operated in bigger dust overlay capacity, therefore, blast inlet in the embodiment of the present invention no longer needs to install additional the parts that filtering net etc. filters outside koniology or particle, further simplify the heat radiation structure of laser projection device inside.

By above-mentioned discussion it will be seen that heat source component can first be dispelled the heat by the embodiment of the present invention, afterwards second stage employ heat source component is dispelled the heat after wind, to power panel and/or drive plate dispel the heat; Now, can by first heat source component being carried out efficiently radiates heat targetedly, heat radiation efficiency height.

As shown in Figure 2 a, place about first location region and second position region. First location region is positioned at the left side in second position region. First fan is between first location region and second position region, and the 2nd fan is positioned at the left side in first location region. The now bottom surface of the machine shell of laser projection device in the first fan corresponding position and offer the first air port below, offers the 2nd air port on the right side of the machine shell of the laser projection device of the 2nd fan corresponding position. Now, heat radiating fin sheet is between second position region and first location region.

Can selection of land, the first fan is blast inlet fan, and now, the first air port is blast inlet; 2nd fan is air-out one's intention as revealed in what one says fan, and now, the 2nd air port is out air port. Another kind can in selection of land embodiment party's formula, and the first fan is air-out one's intention as revealed in what one says fan, and now, the first air port is out air port; 2nd fan is blast inlet fan, and now, the 2nd air port is blast inlet. That discusses in the process of air flow and Fig. 2 b is similar, does not repeat them here.

Can selection of land, under this kind of mode, the camera lens in laser projection device is except with the camera lens except the short-focus mirror head of speculum, thus when avoiding the rear side air-out of laser projection device and the reflected light of camera lens outgoing cause the hot flow-disturbing phenomenon interfered and then produce.

Power panel and/or driving plate are first dispelled the heat by the embodiment of the present invention, afterwards heat source component is dispelled the heat, after although power panel and/or driving plate are first dispelled the heat by outside air, temperature can rise to some extent, but or concentrate the temperature in module lower than heat, the heat radiation efficiency therefore dispelled the heat by heat source component with wind after power panel and/or driving plate being dispelled the heat is also higher.

As shown in Figure 2 b, first location region and second position region are placed up and down. First location region is positioned at the lower section in second position region. First fan is positioned at first location region and the left side in second position region, and the 2nd fan is positioned at first location region and the right side in second position region. Now offer the first air port on the left side of the machine shell of the laser projection device of the first fan corresponding position, offer the 2nd air port on the right side of the machine shell of the laser projection device of the 2nd fan corresponding position. The position in the first air port and the 2nd air port to be ensured that the air flowing to the 2nd air port from the first air port can flow through heat radiating fin sheet and first location region. Now, heat radiating fin sheet is between second position region and first location region.

Can selection of land, the first fan is blast inlet fan, and now, the first air port is blast inlet; 2nd fan is air-out one's intention as revealed in what one says fan, and now, the 2nd air port is out air port. Under the effect of blast inlet fan, the outside air of laser projection device enters laser projection device inside by blast inlet, this outside air is blowed to heat radiating fin sheet and power panel simultaneously and/or drives plate by blast inlet fan, so that outside air and heat radiating fin sheet carry out thermal exchange, and then the heat on heat radiating fin sheet is taken away, power panel and/or driving plate are dispelled the heat simultaneously.

Another kind can in selection of land embodiment party's formula, and the first fan is air-out one's intention as revealed in what one says fan, and now, the first air port is out air port; 2nd fan is blast inlet fan, and now, the 2nd air port is blast inlet. Under the effect of blast inlet fan, the outside air of laser projection device enters laser projection device inside by blast inlet, this outside air is blowed to heat radiating fin sheet and power panel simultaneously and/or drives plate by blast inlet fan, so that outside air and heat radiating fin sheet carry out thermal exchange, and then the heat on heat radiating fin sheet is taken away, power panel and/or driving plate are dispelled the heat simultaneously.

That is, now the top of laser projection device is divided into heat source component, and therefore top is divided into closed structure, and bottom is divided into power panel and/or drives plate, and therefore bottom is divided into Open architecture or semi open model structure. Can selection of land, now due to upper part heavier-weight, therefore load larrying member can be increased in the lower part of laser projection device, to be supported by the heat source component of upper part, make whole laser projection device weight balancing, in case occurring falling bad phenomenon when transport, carrying.

Can selection of land, for Appropriate application space, the space of the laser projection device inside of the embodiment of the present invention is made to be unlikely to waste, therefore, in present example, the line of delimitation of other parts such as light engine and plate card is according to the form construction design of the parts such as light engine and plate card, Appropriate application space, reduces machine volume.

As shown in Figure 2 c, first location region and second position region are placed up and down. First location region is positioned at the top in second position region. First fan is positioned at first location region and the left side in second position region, and the 2nd fan is positioned at first location region and the right side in second position region. Now offer the first air port on the left side of the machine shell of the laser projection device of the first fan corresponding position, offer the 2nd air port on the right side of the machine shell of the laser projection device of the 2nd fan corresponding position. The position in the first air port and the 2nd air port to be ensured that the air flowing to the 2nd air port from the first air port can flow through heat radiating fin sheet and first location region. Heat radiating fin sheet is between second position region and first location region. Now, heat radiating fin sheet is between second position region and first location region.

Can selection of land, the first fan is blast inlet fan, and now, the first air port is blast inlet; 2nd fan is air-out one's intention as revealed in what one says fan, and now, the 2nd air port is out air port. Another kind can in selection of land embodiment party's formula, and the first fan is air-out one's intention as revealed in what one says fan, and now, the first air port is out air port; 2nd fan is blast inlet fan, and now, the 2nd air port is blast inlet. That discusses in the process of air flow and Fig. 1 d is similar, does not repeat them here.

Can selection of land, owing to first location region is positioned at the top in second position region, thus design use short-focus mirror head time, should be noted the light reflected by light machine camera lens, the arrangement of the parts such as appropriate design plate card, appropriate design shell shape, in case interfering with light, affect picture.

The heat produced by heat source component by heat conduction pipe in the embodiment of the present invention is all imported heat and concentrates module, the heat in module is concentrated to carry out concentrating heat radiation heat by heat radiation module, improve heat radiation efficiency, and owing to being that heat is concentrated the heat in module carry out concentrating heat radiation, and also heat source component is dispelled the heat by non-immediate, therefore the problem that in radiation processes, dust is brought into again heat source component is prevented, it is to increase the dust-proof degree of heat source component.

Embodiment two

Based on same idea, the embodiment of the present invention also provides a kind of laser projection device.

Fig. 3 a illustrates the schematic diagram of a kind of laser projection device that the embodiment of the present invention is suitable for, and as shown in Figure 3 a, the laser projection device that the embodiment of the present invention provides comprises:

Heat source component; Heat source component at least comprises LASER Light Source parts and light machine parts; Wherein, LASER Light Source parts outside comprises sealed enclosure; LASER Light Source parts are use the first shell to carry out the closed structure closed;

Heat radiation module, for concentrating module to dispel the heat heat.

Can selection of land, as shown in Figure 3 a, laser projection device comprises laser projection device machine shell 1, laser projection device machine shell 1 comprise heat source component 30, heat conduction pipe 24, heat concentrate module 9 and heat radiation module 23. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. Outer setting at LASER Light Source parts 3 has sealed enclosure 2.

The heat that the LASER Light Source parts being in sealed enclosure inside produce is exported to the outside of sealed enclosure by the embodiment of the present invention by heat conduction pipe, and import heat and concentrate module, the heat in module is concentrated to carry out concentrating heat radiation heat by heat radiation module, improve heat radiation efficiency, and owing to being that heat is concentrated the heat in module carry out concentrating heat radiation, and also heat source component is dispelled the heat by non-immediate, therefore the problem that in radiation processes, dust is brought into again heat source component is prevented, it is to increase the dust-proof degree of heat source component. Further owing to there is sealed enclosure, therefore improve the dust-proof degree of laser projection device inner laser light source part further.

Can selection of land, the junction of heat conduction pipe and sealed enclosure comprises seal gum or sealing-ring. In the embodiment of the present invention, sealed enclosure is a kind of housing that stopping property is higher, can optimize dust-proof effect.

Can selection of land, heat concentrates module to be positioned at the outside of sealed enclosure, and heat concentrates module and sealed enclosure separate. That is, heat concentrates module not contact with sealed enclosure, to prevent heat concentrates module that heat transfers to the heat source component of sealed enclosure inside again, improves the heat radiation efficiency to heat source component further.

Can selection of land, LASER Light Source parts at least comprise laser apparatus, fluorescent wheel. Can selection of land, LASER Light Source parts also comprise the first optical mirror slip. Can selection of land, light machine parts at least comprise DMD (DigitalMicromirrorDevice, be called for short DMD). Heat conduction pipe is successively through sealed enclosure and the first shell, and is connected with the laser apparatus in the LASER Light Source parts of the first enclosure, fluorescent wheel successively. Can selection of land, LASER Light Source parts also comprise the first optical mirror slip. Heat conduction pipe is connected through sealed enclosure and the first shell with the first optical mirror slip successively.

Can selection of land, light machine parts are positioned at sealed enclosure; Light machine parts are use the 2nd shell to carry out the closed structure closed. Can selection of land, heat conduction pipe is successively through sealed enclosure and the 2nd shell, and the DMD with the 2nd enclosure is connected. Can selection of land, light machine parts also comprise the 2nd optical mirror slip. Heat conduction pipe is connected through sealed enclosure and the 2nd shell with the 2nd optical mirror slip successively. Fig. 3 b illustrates the schematic diagram of a kind of laser projection device that the embodiment of the present invention is suitable for, and as shown in Figure 3 b, light machine parts are positioned at sealed enclosure. Can selection of land, as shown in Figure 3 b, laser projection device comprises laser projection device machine shell 1, laser projection device machine shell 1 comprise heat source component 30, heat conduction pipe 24, heat concentrate module 9 and heat radiation module 23. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. Sealed enclosure 2 is had in the outer setting of LASER Light Source parts 3 and light machine parts 6.

Can selection of land, heat radiation module comprise the first fan, the first fan be positioned at heat concentrate module side; For concentrating the mode of module to concentrate module to dispel the heat heat by the air flowing through the first fan blows to heat. Can selection of land, heat radiation module also comprise the 2nd fan; Power panel and/or driving plate are between the first fan and the 2nd fan, so that the air flowing through the first fan and the 2nd fan through power panel and/or drives plate, power panel and/or driving plate are dispelled the heat.

Can selection of land, the first fan is blast inlet fan, the 2nd fan be air-out one's intention as revealed in what one says fan; Or, the first fan is air-out one's intention as revealed in what one says fan, and the 2nd fan is blast inlet fan. Wherein, the blast inlet of the corresponding laser projection device in the position of blast inlet fan, the corresponding laser projection device in the position of air-out one's intention as revealed in what one says fan go out air port. Can selection of land, power panel and/or drive plate be positioned at: the left side of heat source component or right side; Or, the top of heat source component or bottom.

The structure of the heat radiation module in embodiment two, and with the position relation of other parts, the position relation of module of such as dispelling the heat with heat source component, the position relation of heat radiation module and power panel and/or driving plate, all with in embodiment one to introduce content identical, do not repeat them here.

Visible, LASER Light Source parts outside comprises sealed enclosure, it is to increase the dust-proof degree of LASER Light Source parts. Further, by heat conduction pipe, the heat that LASER Light Source parts and light machine parts produce all is imported heat and concentrate module, the heat in module is concentrated to carry out concentrating the mode of heat radiation to achieve the object of LASER Light Source parts and the heat radiation of light machine parts heat by heat radiation module, this process, without the need to directly LASER Light Source parts and light machine parts being dispelled the heat, prevents the problem that dust is brought in radiation processes LASER Light Source parts and light machine parts again; In addition, owing to being that heat is concentrated the heat in module carry out concentrating heat radiation, therefore improve heat radiation efficiency; Further, the embodiment of the present invention only arranges a heat radiation module for concentrating module to dispel the heat heat, it is not necessary to for LASER Light Source parts and light machine parts arrange heat radiation module respectively, simplify the structure of the heat radiation module of laser projection device inside.

In the embodiment of the present invention, heat conduction pipe can be various ways, such as heat pipe, or the pipeline of inner trickling cooling fluid. Can selection of land, when heat conduction pipe is heat pipe, heat concentrate module comprise heat radiating fin sheet; Heat radiating fin sheet, is connected with the condensation end of heat conduction pipe; For the heat that each parts received in heat source component that heat conduction pipe imports produce.

Can selection of land, when heat conduction pipe is the pipeline of inner trickling cooling fluid, it is a loop that heat conduction pipe module concentrated with heat is connected; Loop also comprises pump, for making the cooling fluid in loop flow along circuit cycle under the effect of pump; Heat concentrates module to comprise the scatterer for inner hollow; Scatterer, heat conduction pipe flows through the parts of each in heat source component for receiving and carries the cooling fluid of the heat that the parts of each in heat source component produce, make cooling fluid flow through the interior hollow section of scatterer, afterwards cooling fluid is discharged again the hollow part of scatterer and flows back in heat conduction pipe. It it is the situation during pipeline of inner trickling cooling fluid below by embodiment three detail heat conduction pipe.

Embodiment three

Based on same idea, the embodiment of the present invention provides a kind of laser projection device. The laser projection device that the laser projection device provided in embodiment four is applicable to above-described embodiment one and embodiment two provides. That is, the LASER Light Source parts outside in the laser projection device provided in embodiment four can comprise a sealed enclosure, it is possible to does not comprise sealed enclosure.

Fig. 4 a illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides. As shown in fig. 4 a, laser projection device comprises:

Heat radiation module, for concentrating module to dispel the heat heat.

Can selection of land, as shown in fig. 4 a, laser projection device comprises laser projection device machine shell 1, laser projection device machine shell 1 comprise heat source component 30, heat conduction pipe 24, heat concentrate module 9 and heat radiation module 23. Heat source component 30 at least comprises LASER Light Source parts 3 and light machine parts 6. It is a loop that heat conduction pipe concentrates module to be connected with heat, and cooling fluid is concentrated in the loop of module composition at heat conduction pipe and heat and circulated.

Can selection of land, it is a loop that heat conduction pipe and heat concentrate module to be connected; Loop also comprises pump, for making the cooling fluid in loop flow along circuit cycle under the effect of pump; Import heat with the heat produced respectively by each parts in heat source component and concentrate module. Also comprise the bin with circuit communication, the cooling fluid of bin for storing in loop.

In concrete enforcement, bin, the concentrated module of heat are connected by heat conduction pipe with pump becomes a loop. Heat conduction pipe is connected with heat source component by heat conduction medium and thermally conductive material. Can selection of land, heat conduction medium, heat conduction pipe etc. all have heat conduction function, and such as heat conduction medium is water-cooling head or water-cooled block; In multiple heat conduction pipe, the material of each heat conduction pipe is copper. Can selection of land, the cooling fluid in each heat conduction pipe in multiple heat conduction pipe is water. Can selection of land, bin is a water tank.

Can selection of land, heat is concentrated module to comprise heat to concentrate module to comprise the scatterer of inner hollow; Scatterer, heat conduction pipe flows through the parts of each in heat source component for receiving and carries the cooling fluid of the heat that the parts of each in heat source component produce, make cooling fluid flow through the interior hollow section of scatterer, afterwards cooling fluid is discharged again the hollow part of scatterer and flows back in heat conduction pipe.

So, heat on heat source component transfers in the cooling fluid of heat conduction pipe internal flow by heat conduction medium and thermally conductive material, owing to cooling fluid circulates in the loop, therefore the cooling fluid carrying the heat of heat source component can flow to the interior hollow section of scatterer, module is concentrated to carry out concentrating heat radiation heat by heat radiation module afterwards, thus achieve the object dispelled the heat by heat source component, it is to increase heat radiation efficiency.

Can selection of land, heat radiation module comprise, the first fan be positioned at heat concentrate module side; For concentrating the mode of module to concentrate module to dispel the heat heat by the air flowing through the first fan blows to heat.

As shown in fig. 4 a, scatterer can be some hollow radiator element, and the interior hollow section of scatterer is connected with each the heat conduction pipe in heat conduction pipe, now the cooling fluid in all heat conduction pipes all can flow to the inside of scatterer, as shown in fig. 4 a, cooling fluid flows through the interior hollow section of each radiator element of scatterer, and then again flows out in heat conduction pipe through scatterer. Scatterer also can be called that water is arranged. By the first fan, scatterer is dispelled the heat, owing to scatterer is the thermally conductive material of sheet, that is, heat concentrate the coolant flow carrying heat in module to scatterer inside after, heat area coverage strengthens, now with the first fan, scatterer is dispelled the heat, more can increase heat radiation efficiency.

Can selection of land, heat radiation module also comprises the 2nd fan, power panel and/or drive plate between the first fan and the 2nd fan, so that the air flowing through the first fan and the 2nd fan through power panel and/or drives plate, to power panel and/or drive plate to dispel the heat.

Can selection of land, the first fan is blast inlet fan, the 2nd fan be air-out one's intention as revealed in what one says fan; Or the first fan is air-out one's intention as revealed in what one says fan, and the 2nd fan is blast inlet fan; Wherein, the blast inlet of the corresponding laser projection device in the position of blast inlet fan, the corresponding laser projection device in the position of air-out one's intention as revealed in what one says fan go out air port.

The structure of the heat radiation module in embodiment four, and with the position relation of other parts, the position relation of module of such as dispelling the heat with heat source component, the position relation of heat radiation module and power panel and/or driving plate, all with embodiment one with in embodiment two to introduce content identical, do not repeat them here. The heat source component outside of embodiment four can comprise the sealed enclosure in embodiment two, it is possible to does not comprise the sealed enclosure in embodiment two, does not limit in embodiment four.

Can selection of land, laser projection device also comprises the sealed enclosure being positioned at LASER Light Source parts outside; LASER Light Source parts are use the first shell to carry out the closed structure closed. Can selection of land, sealed enclosure inside also comprises light machine parts, and light machine parts are use the 2nd shell to carry out the closed structure closed.

Can selection of land, LASER Light Source parts at least comprise laser apparatus and fluorescent wheel, can selection of land, LASER Light Source parts also comprise the first optical mirror slip. Can selection of land, light machine parts at least comprise DMD. Can selection of land, light machine parts also comprise the 2nd optical mirror slip.

When the heat conduction pipe in the embodiment of the present invention is liquid cooling pipe, the embodiment of the present invention there is multiple mode realize the connection between heat conduction pipe and heat source component, also have multiple mode to realize the connection between heat conduction pipe and scatterer. The embodiment of the present invention provides following can the concrete mode of connection of selection of land heat conduction pipe and other parts.

Fig. 4 b illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides; Fig. 4 c illustrates the schematic diagram of the flow circuits of cooling fluid in the heat conduction pipe in the laser projection device shown in Fig. 4 b; The schematic diagram of the flow circuits of cooling fluid in the heat conduction pipe that Fig. 4 d illustrates in the embodiment of the present invention in a kind of laser projection device.

As shown in Figure 4 b, laser projection device comprises laser projection device machine shell 1, comprises heat source component, heat conduction pipe 24, the concentrated module of heat and heat radiation module 23 at laser projection device machine shell 1. Heat source component at least comprises LASER Light Source parts 3 and light machine parts 6. Heat conduction pipe 24 is connected with each parts in LASER Light Source parts 3 by the first water-cooling head 32, the 2nd water-cooling head 33 and the 4th water-cooling head 35; Heat conduction pipe 24 is connected with light machine parts 6 by the 3rd water-cooling head 34; Laser projection device also comprises pump 28, bin 29. Heat concentrates module to be can flow the scatterer 26 of the cooling fluid in heat conduction pipe in inside. Heat concentrates module 9 to can be heat radiating fin sheet 25; Heat radiation module 23 comprises the first fan 11 and the 2nd fan 13. Also comprise power panel between first fan 11 and the 2nd fan 13 and/or drive plate 12. It is a loop that heat conduction pipe concentrates module to be connected with heat, and cooling fluid is concentrated in the loop of module composition at heat conduction pipe and heat and circulated.

As illustrated in fig. 4 c, laser projection device comprises laser projection device machine shell 1, in laser projection device machine shell 1: cooling fluid flows out along heat conduction pipe from pump 28, flowing through the heat conduction pipe from connecting water-cooling head 31 afterwards to flow through, water-cooling head 31 connects the laser apparatus 14 in heat source component 30, fluorescent wheel 4 and DMD38 respectively. Heat on laser apparatus 14, fluorescent wheel 4 and DMD38 is transferred in the cooling fluid of the heat conduction pipe internal flow warp that water-cooling head 31 connects by water-cooling head 31. Cooling fluid is carried the heat that heat source component 30 produces and is flowed through after bin 29 in inflow radiator 26, scatterer 26 is under the thermolysis of the first fan 11, the wind that the heat in cooling fluid in scatterer 26 is blown by the first fan 11 is taken away, and by the effect of the 2nd fan 13, discharged by the air port that goes out of the 2nd fan 13 correspondence. First fan 11 brings the wind of laser projection device inside into also through power panel and/or driving plate 12, and takes away power panel and/or drive the heat on plate 12, discharges from the air port that goes out of the 2nd fan 13 correspondence afterwards.

As shown in figure 4d, laser projection device comprises laser projection device machine shell 1, in laser projection device machine shell 1: cooling fluid flows out along heat conduction pipe from pump 28, flowing through the heat conduction pipe from connecting water-cooling head 31 afterwards to flow through, water-cooling head 31 connects each parts in heat source component 30 respectively. Heat on heat source component 30 is transferred in the cooling fluid of the heat conduction pipe internal flow warp that water-cooling head 31 connects by water-cooling head 31. Cooling fluid is carried the heat that heat source component 30 produces and is flowed through after bin 29 in inflow radiator 26, and scatterer 26 is under the thermolysis of the first fan 11, and the wind that the heat in cooling fluid in scatterer 26 is blown by the first fan 11 is taken away.

As shown in fig 4e, laser projection device comprises laser projection device machine shell 1, in laser projection device machine shell 1: cooling fluid flows out along heat conduction pipe from pump 28, the corresponding two passes of heat conduction pipe, two passes is a loop, as shown in fig 4e, cooling fluid in a passage flows through from the heat conduction pipe connecting the first water-cooling head 32, the 2nd water-cooling head 33 and the 4th water-cooling head 35, and the first water-cooling head 32, the 2nd water-cooling head 33 and the 4th water-cooling head 35 connect each parts in LASER Light Source parts 3 respectively. The heat on each parts in LASER Light Source parts 3 is transferred in the cooling fluid of the heat conduction pipe internal flow warp that the first water-cooling head 32, the 2nd water-cooling head 33 and the 4th water-cooling head 35 connect by the first water-cooling head 32, the 2nd water-cooling head 33 and the 4th water-cooling head 35. The heat that cooling fluid carries the generation of each parts in LASER Light Source parts 3 is flowed in divider 27 by a passage. Connect another expanding channels the 3rd water-cooling head 34 from pump 28, the cooling fluid in another passage flows through from the heat conduction pipe connecting the 3rd water-cooling head 34, and the 3rd water-cooling head 34 connects light machine parts 6. The heat on each parts in light machine parts 6 is transferred in the cooling fluid of the heat conduction pipe internal flow warp that the 3rd water-cooling head 34 connects by the 3rd water-cooling head 34. The heat that cooling fluid carries the generation of each parts in light machine parts 6 is flowed in divider 27 by another passage. The cooling fluid received is inputed to the interior hollow section of scatterer 26 by divider 27, and scatterer 26 is under the effect of the first fan 11 of heat radiation module 23, and the heat that the cooling fluid flowed through in scatterer 26 is carried is blown away. Can selection of land, be expelled to laser projection device outside by the air port that goes out of the 2nd fan 13 correspondence of module 23 of dispelling the heat. After the heat of the cooling fluid flowed through in scatterer 26 is blown away, the cooling fluid losing heat flows in another divider 27 that scatterer 26 connects, the cooling fluid received is dispensed in multiple passages of heat conduction pipe by divider 27, and flows through pump 28 by multiple channel cycle. Can selection of land, laser projection device also comprises power panel and/or drives plate 12, between the first fan 11 and the 2nd fan 13, power panel and/or the heat that drives plate 12 to produce are taken away by the wind flowing through the first fan 11 and the 2nd fan 13.

In scatterer 26, scatterer 26 is under the thermolysis of the first fan 11, and the wind that the heat in cooling fluid in scatterer 26 is blown by the first fan 11 is taken away, and by the effect of the 2nd fan 13, is discharged by the air port that goes out of the 2nd fan 13 correspondence. First fan 11 brings the wind of laser projection device inside into also through power panel and/or driving plate 12, and takes away power panel and/or drive the heat on plate 12, discharges from the air port that goes out of the 2nd fan 13 correspondence afterwards.

Can selection of land, heat conduction pipe is connected with the through metal of fluorescent wheel by heat conduction medium and thermally conductive material; Or heat conduction pipe is connected with the through metal of fluorescent wheel; Heat conduction pipe is connected with the housing of laser apparatus by heat conduction medium and thermally conductive material. Can selection of land, heat conduction pipe is connected with the support of DMD by heat conduction medium and thermally conductive material. Can selection of land, the first optical mirror slip is connected with the first shell, and the first shell is connected with heat conduction pipe by heat conduction medium and thermally conductive material. Can selection of land, the 2nd optical mirror slip is connected with the 2nd shell, and the 2nd shell is connected with heat conduction pipe by heat conduction medium and thermally conductive material.

Can selection of land, heat concentrate module also comprise two dividers being connected with scatterer; Two dividers lay respectively at the both sides of scatterer; Two dividers are connected with scatterer interior hollow section, so that the cooling fluid in heat conduction pipe flow to the interior hollow section of scatterer by a divider in two dividers, and flow out to another divider in two dividers by the interior hollow section of scatterer, and flow out in heat conduction pipe via another divider in two dividers.

As shown in Fig. 4 b, Fig. 4 c and Fig. 4 d, heat conduction medium is water-cooling head or water-cooled block. Figure of description Fig. 4 b, Fig. 4 c and Fig. 4 d are introduced by water-cooling head of heat conduction medium. Heat concentrates module also can be called cold type, and heat concentrates module both sides to can also be configured divider. Fig. 4 e illustrates the structural representation of a kind of laser projection device that the embodiment of the present invention provides.

As shown in fig 4e, configure the divider of Large Copacity at the two ends of cold type, now the flow circuits of the cooling fluid that heat conduction pipe is formed can not comprise water tank. Each divider includes feed-water end and water side. When scatterer comprises divider, two dividers are generally symmetrically distributed in the both sides of scatterer and coolant circuit. Can selection of land, the material of scatterer is aluminium. Cooling fluid is exported to each the tiny passage heat conduction pipe from feed-water end by divider, and balances flow velocity and the amount of the cooling fluid of each passage. Fig. 4 e illustrates the structural representation of the heat conduction pipe in laser projection device, as shown in fig 4e, and heat conduction Guan Weiyi loop, but heat conduction pipe comprises multiple passages.

Can selection of land, heat conduction Guan Weiyi loop in the embodiment of the present invention, this loop comprises water tank, for the heat sink that absorbed by the heat of heat source component and pump, the embodiment of the present invention also can comprise on this loop pressurizing device and liquid supply device, pressurizing device and liquid supply device can be positioned at any one position of heat conduction pipe, pressurizing device and liquid supply device can also with water pump, heat sink for being absorbed by the heat of heat source component, pump and water tank appoint several to be integrated together as parts.

Water-cooling head or water-cooled block are the metal block that passage is left in an inside, and this passage is for making the passage of coolant flow, and when such as cooling fluid is water, this passage is water channel. Water-cooling head or water-cooled block can be the material with heat conduction function, are such as a metal block with heat conduction function, can be copper billet or aluminium block.

The principle of work in the loop of heat conduction pipe institute form is: be connected with pump, water tank, scatterer on heat conduction pipe, and the water-cooling head being connected with each heat source component or water-cooled block. Leading inside heat pipe is cooling fluid, and cooling fluid, at heat conduction pipe internal circulation flow, is not revealed. Pump, water tank, heat centralising device contg, scatterer are all positioned at the outside of the closed structure of heat source component, and the water-cooling head being connected with each heat source component or water-cooled block are positioned at the inside of the closed structure of heat source component.

Under the effect of pump, the water-cooling head that cooling fluid connects from pump heat source parts or water-cooled block diffluence, now cooling fluid is low temperature, when the water-cooling head connected on heat source component or water-cooled block, the heat on heat source component is absorbed by water-cooling head or water-cooled block, thus the heat on heat source component is reduced, the temperature of cooling fluid raises, the cooling fluid that temperature raises flows out from the closed structure of heat source component, the interior hollow section of inflow radiator is flowed into through water tank, now scatterer is blown by the first fan, to lower the temperature of the cooling fluid of scatterer interior hollow section, after the cooling fluid of decrease in temperature distributes from scatterer internal void, again pump is flowed through, the water-cooling head or water-cooled block that connect again is flowed through on multiple heat source component afterwards under the effect of pump, thus form circulation.

In this process, the circulating to take the heat of the multiple heat source component in closed structure to and dispel the heat on the scatterer of closed structural outer of cooling fluid, it is to increase heat radiation efficiency.

As shown in Fig. 4 b, Fig. 4 c and Fig. 4 d, heat conduction medium is water-cooling head or water-cooled block, is inside and leaves the metal block that can allow the passage that cooling fluid circulates.

The metal block of the first water-cooling head directly contacts with fluorescent wheel through metal, and the face that metal block contacts with fluorescent wheel through metal is as far as possible smooth, and between metal block and fluorescent wheel through metal, available thermally conductive material is filled. Another kind of mode of connection is that fluorescent wheel through metal and metal block are structure as a whole, and is directly welded on fluorescent wheel through metal by the metal block of the first water-cooling head. The material that metal block selects thermal conductivity higher as far as possible. The heat that fluorescent wheel is produced by the metal block of the first water-cooling head transmits the heat outside the closed structure transferring to LASER Light Source parts fast and concentrates in module.

The metal block of the 2nd water-cooling head directly contacts with laser apparatus, and specifically, metal block contacts with the installation housing of laser apparatus, fills with thermally conductive material between metal block and laser apparatus. Heat outside the delivered heat that laser apparatus is produced by the metal block of the 2nd water-cooling head to the closed structure of LASER Light Source parts is concentrated in module.

The metal block of the 3rd water-cooling head contacts with DMD, concrete, and metal block contacts with the fixed sturcture of DMD, and contact surface is as far as possible smooth, the metallic substance that metal block selects thermal conductivity higher. Fill with thermally conductive material between metal block and DMD, owing to DMD is frangible, so the thermally conductive material that place should select stress under compression lower. Heat outside the delivered heat that DMD is produced by the metal block of the 3rd water-cooling head to the closed structure of LASER Light Source parts is concentrated in module.

First optical mirror slip is fixed on the metal housing of LASER Light Source parts, such as the first shell is metal housing, first optical mirror slip is fixed on the metal housing of LASER Light Source parts, and the first optical mirror slip One's name is legion on optical mirror slip, if separately each optical mirror slip being dispelled the heat, structure design is by more complicated, and efficiency is not high. Therefore a side external surface of the metal housing of LASER Light Source parts is designed to plane, contact with the metal block of the first water-cooling head or the 2nd water-cooling head, fill with thermally conductive material between the metal housing of metal block and LASER Light Source parts, on heat conduction to the first water-cooling head first optical mirror slip absorbed by the metal housing of LASER Light Source parts or the 2nd water-cooling head, and via the first water-cooling head or the 2nd water-cooling head, heat is passed to heat and concentrates in module.

2nd optical mirror slip is fixed on the metal housing of light machine parts parts, such as the 2nd shell is metal housing, 2nd optical mirror slip is fixed on the metal housing of light machine parts, and the 2nd optical mirror slip One's name is legion on optical mirror slip, if separately each optical mirror slip being dispelled the heat, structure design is by more complicated, and efficiency is not high. Therefore a side external surface of the metal housing of light machine parts is designed to plane, contact with the metal block being welded with the 3rd water-cooling head, fill with thermally conductive material between the metal housing of metal block and light machine parts, the heat conduction that 2nd optical mirror slip is absorbed by the metal housing of logical glazer parts is on the 3rd water-cooling head, and is passed in the concentrated module of heat by heat via the 3rd water-cooling head.

Can selection of land, heat concentrates module to can be on heat conduction pipe section region, and this region can comprise one or more thin passage, and the heat such as Fig. 4 e is concentrated shown in module. That is, heat concentrates module to be a scatterer, and scatterer both can be a water row, it is also possible to be divided into several water rows.

Heat conduction medium in foregoing, namely water-cooling head is all positioned at the inside of closed framework, and the metal block of the water-cooling head being such as connected with laser apparatus is positioned at the first enclosure of LASER Light Source parts. Heat concentrates module to be positioned at the outside of closed structure of heat source component, such as heat concentrate module be with the first shell outside, outside being also positioned at the 2nd shell. By heat conduction pipe, the heat of heat source component is exported to the outside of closed structure, thus it is dispelled the heat, ensure that the stopping property of closed structure itself on the one hand, on the other hand to export to closed structural outer heat carry out heat radiation and improve heat radiation efficiency, the third aspect, due to without the need to directly heat source component being blown by fan, therefore it also avoid the problem that dust is blowed to heat source component, and without the need to the first fan and the 2nd fan place being arranged the facility of filtration dust or particle, further simplify the structure formation of laser projection device.

Can selection of land, carry out encapsulation process in the junction of heat conduction pipe and the shell of closed structure, such as smear seal gum etc. Specifically, seal gum is smeared in the contact position of heat conduction pipe and the first shell. Seal gum is smeared in the contact position of heat conduction pipe and the 2nd shell.

Can selection of land, if improving stopping property and the dirt resistance of heat source component, a sealed enclosure can be increased again in the outside of LASER Light Source parts, such as shown in embodiment two. Can selection of land, it is possible to increase a sealed enclosure at LASER Light Source parts and light machine parts outside. Can selection of land, smear seal gum in the contact position of heat conduction pipe and sealed enclosure.

The heat produced by heat source component by heat conduction pipe in the embodiment of the present invention is all imported heat and concentrates module, the heat in module is concentrated to carry out concentrating heat radiation heat by heat radiation module, improve heat radiation efficiency, and owing to being that heat is concentrated the heat in module carry out concentrating heat radiation, and also heat source component is dispelled the heat by non-immediate, therefore the problem that in radiation processes, dust is brought into again heat source component is prevented, it is to increase the dust-proof degree of heat source component. Further, owing to employing the mode of liquid cooling in the embodiment of the present invention, therefore the cooling fluid reusable edible in this heat conduction pipe, saves resource, reduces consumption.

Although having described the preferred embodiments of the present invention, but those skilled in the art once the substantially creative concept of cicada, then these embodiments can be made other change and amendment. Therefore, it is intended that the appended claims shall be construed comprise preferred embodiment and fall into all changes and the amendment of the scope of the invention.

Obviously, the present invention can be carried out various change and modification and not depart from the spirit and scope of the present invention by the technician of this area. Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these change and modification.

Claims

1. a laser projection device, it is characterised in that, comprising:

Heat source component; Described heat source component at least comprises LASER Light Source parts and light machine parts;

Heat conduction pipe, one end of described heat conduction pipe is connected with described heat source component, and the other end connects described heat and concentrates module; Module is concentrated for the heat that each parts in described heat source component produce is exported to heat;

Described heat concentrates module, for the heat that each parts in the described heat source component receiving the importing of described heat conduction pipe produce;

Heat radiation module, for concentrating module to dispel the heat described heat.

2. laser projection device as claimed in claim 1, it is characterised in that, it is a loop that described heat conduction pipe concentrates module to be connected with described heat;

Described loop also comprises pump, for making the cooling fluid in described loop flow along described circuit cycle under the effect of described pump; Module is concentrated the heat that each parts in described heat source component produce respectively to be imported described heat.

3. laser projection device as claimed in claim 2, it is characterised in that, also comprise and the bin of described circuit communication:

For the cooling fluid stored in described loop.

4. laser projection device as claimed in claim 2, it is characterised in that, described heat concentrates module to comprise the scatterer of inner hollow; Described scatterer, for:

The cooling fluid of the heat that each parts receiving in described heat conduction pipe each parts flowing through in described heat source component and carry in described heat source component produce, make described cooling fluid flow through the interior hollow section of described scatterer, afterwards cooling fluid is discharged again the hollow part of described scatterer and flows back in described heat conduction pipe.

5. laser projection device as claimed in claim 4, it is characterised in that, described heat concentrates module also to comprise two dividers being connected with described scatterer;

Described two dividers lay respectively at the both sides of described scatterer; Described two dividers are connected with described scatterer interior hollow section, so that the cooling fluid in described heat conduction pipe flow to the interior hollow section of described scatterer by a divider in described two dividers, and flow out to another divider in described two dividers by the interior hollow section of described scatterer, and flow out in described heat conduction pipe via another divider in described two dividers.

6. laser projection device as described in claim 4 or 5, it is characterised in that, described heat radiation module comprises the first fan:

It is positioned at the side that described heat concentrates module; For concentrating the mode of module to concentrate module to dispel the heat described heat by the air flowing through described first fan blows to described heat.

7. laser projection device as claimed in claim 6, it is characterised in that, described heat radiation module also comprises the 2nd fan;

Power panel and/or driving plate are between described first fan and described 2nd fan, so that the air flowing through described first fan and described 2nd fan through described power panel and/or drives plate, described power panel and/or driving plate are dispelled the heat.

8. laser projection device as claimed in claim 1, it is characterised in that, described heat conduction pipe is connected with each parts in described heat source component respectively by heat conduction medium and thermally conductive material;

Described heat conduction medium is water-cooling head or water-cooled block.

9. laser projection device as claimed in claim 1, it is characterised in that, described LASER Light Source parts at least comprise laser apparatus, fluorescent wheel; Described smooth machine parts at least comprise DMD DMD;

Described heat conduction pipe is connected with the through metal of described fluorescent wheel by heat conduction medium and thermally conductive material; Or described heat conduction pipe is connected with the through metal of described fluorescent wheel;

Described heat conduction pipe is connected with the housing of described laser apparatus by heat conduction medium and thermally conductive material;

Described heat conduction pipe is connected with the support of described DMD by heat conduction medium and thermally conductive material.

10. laser projection device as claimed in claim 1, it is characterised in that, also comprise:

It is positioned at the sealed enclosure of described LASER Light Source parts outside; Described LASER Light Source parts are use the first shell to carry out the closed structure closed.