CN207424506U - Heat radiation system of projector - Google Patents
Heat radiation system of projector Download PDFInfo
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- CN207424506U CN207424506U CN201721135346.8U CN201721135346U CN207424506U CN 207424506 U CN207424506 U CN 207424506U CN 201721135346 U CN201721135346 U CN 201721135346U CN 207424506 U CN207424506 U CN 207424506U
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- projector
- radiation system
- heat radiation
- component
- cooling assembly
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Abstract
A kind of heat radiation system of projector, including generating the lighting apparatus component of heat during work, generating the cooling assembly of heat dissipation gas, for the lighting apparatus component being supplied to carry out heat exchange the heat dissipation gas and the gas circulation after heat exchange being returned to the circulation air path component of the cooling assembly, the circulation air path component is in fluid communication to form sealing and circulating circuit with the cooling assembly.The utility model realizes good closed, dust-proof effect by using sealing and circulating circuit, it changes existing conventional types and excessively relies on environment, it avoids because environmental factor causes projector's severe life time reduction, service life is damaged, and the heat radiation system of projector structure design of the utility model is simple, without using Air Filter, reduces Air Filter installation, replacement operation cost.Further by using laser light source and the heat radiation system of projector to match with laser light source, the significantly extension of projector's machine life is realized in a manner of manufacturing cost and low-maintenance cost.
Description
Technical field
The utility model is related to optical projection field, more specifically to a kind of heat radiation system of projector.
Background technology
Projector is widely used in the places such as education, business, family as a kind of convenient imaging device.Show core
Piece is component the most key in projector.Mainly there are both display technologies of LCD and DLP in projector currently on the market.
3LCD and 3DLP projectors due to its in terms of color it is more with the obvious advantage than Single panel LCD and DLP, so can become projection market
Mainstream, such component work when it is very high to radiating condition and operating environment requirements.
In 3LCD the or 3DLP projectors of the prior art, using the radiating mode of open ray machine as shown in Figure 1,
Suck extraneous air to projector's air inlet Air Filter purify after, by fan by wind to display chip so as to taking away heat
It is discharged to outside machine.However this radiating mode and its unstable, it is larger by external environment influence, service life of a machine can be caused to shorten,
The picture jaundice projected.If the dust on display chip can excessively cause the light source point burnning ash dirt of projector to component
It burns (it is 70 DEG C that light source, which is irradiated to temperature upper limit on liquid crystal board), it is more serious to cause on fire, it is subject to life and property
It threatens.Meanwhile as laser light source progressively substitutes traditional high-pressure sodium lamp, service life of light source by pervious 3000 it is small when be increased to
20000 it is small when more than, also so that the service life of display chip is shorter using previous open ray machine, so as to which machine life is beaten greatly
Discount.
Utility model content
The technical problems to be solved in the utility model is, for the drawbacks described above of the prior art, provides a kind of closed
Heat radiation system of projector, it is intended to solve the problems, such as the projector of the prior art display chip heat dissipation can not effective dust.
Technical solution is used by the utility model solves its technical problem：A kind of heat radiation system of projector is constructed, is wrapped
The lighting apparatus component that heat is generated during work, the cooling assembly for generating heat dissipation gas are included, for the heat dissipation gas to be supplied to institute
State the circulation air path that lighting apparatus component carries out heat exchange and the gas circulation after heat exchange is returned to the cooling assembly
Component, the circulation air path component are in fluid communication to form sealing and circulating circuit with the cooling assembly.
In heat radiation system of projector described in the utility model, the cooling assembly includes TEC refrigerating chips, is sticked
It the refrigeration face component of the chill surface of the TEC refrigerating chips and is sticked in the radiating surface of the radiating surface of the TEC refrigerating chips
Component, circulation air path component described in the chill surface members, the radiating surface component connect exterior space.
In heat radiation system of projector described in the utility model, the refrigeration face component includes being located at TEC refrigeration
The chill surface radiator of the chill surface one side of chip and the thermal insulation case for housing the chill surface radiator.
In heat radiation system of projector described in the utility model, the heat dissipation face component includes being located at TEC refrigeration
The hot and cold side spacing pad of the radiating surface one side of chip, the hot and cold side spacing pad one side opposite with the TEC refrigerating chips are set
Radiating surface radiator is put, radiator fan is set on the radiating surface radiator.
In heat radiation system of projector described in the utility model, the lighting apparatus component includes display chip, optical engine case
And camera lens, wherein the optical engine case keeps apart the display chip and the circulation air path component, the camera lens with
Shown chip electrical connection.
In heat radiation system of projector described in the utility model, the circulation air path component includes setting display chip wind
The lower air duct of mouth, the backwind tube and centrifugal fan that chill surface air port is set；Wherein described backwind tube passes through the chill surface wind
Mouthful be in fluid communication with the cooling assembly, the lower air duct by the display chip air port and the lighting apparatus component heat exchange,
The lower air duct and the backwind tube are in fluid communication with each other, and the centrifugal fan is arranged on the lower air duct and/or the return air
Guan Zhong.
Another technical solution is used by the utility model solves its technical problem：Construct a kind of projector heat radiation system
System：Including generating the lighting apparatus component of heat during work, generating the cooling assembly of heat dissipation gas, for the heat dissipation gas to be provided
Heat exchange is carried out to the lighting apparatus component and the gas circulation after heat exchange is returned to the cycling of the cooling assembly
Ducting assembly, the circulation air path component are in fluid communication to form sealing and circulating circuit with the cooling assembly；
Wherein described cooling assembly includes TEC refrigerating chips, the thermal insulation being sticked on the chill surface of the TEC refrigerating chips
Case, the chill surface radiator being contained in the thermal insulation case, the hot and cold side being sticked on the radiating surface of the TEC refrigerating chips point
Dottle pin, the hot and cold side spacing pad one side opposite with the TEC refrigerating chips set radiating surface radiator；
Wherein described lighting apparatus component includes display chip, optical engine case and camera lens, the camera lens and shown chip electricity
Connection；
Wherein described circulation air path component includes the return air for setting the lower air duct in display chip air port, setting chill surface air port
Pipe and centrifugal fan；The thermal insulation case is embedded in the chill surface air port, and the optical engine case is embedded in the display chip wind
In mouthful；The centrifugal fan is arranged in the lower air duct and/or the backwind tube.
In heat radiation system of projector described in the utility model, set on the optical engine case for the display chip
The winding displacement wire casing that winding displacement passes through, the interior insertion sealing-plug of the winding displacement wire casing.
In heat radiation system of projector described in the utility model, the assembling of the thermal insulation case and the chill surface air port connects
The groove that the fourth of the twelve Earthly Branches is set to close on surface respectively or protrusion are touched, and sealing ring is set between the groove and protrusion.
In heat radiation system of projector described in the utility model, the dress in the optical engine case and the display chip air port
With the groove or protrusion that the fourth of the twelve Earthly Branches closes is set on contact surface respectively, and sealing ring is set between the groove and protrusion.
Implement the utility model heat radiation system of projector, by using sealing and circulating circuit realize well it is closed,
Dust-proof effect changes existing conventional types and excessively relies on environment, avoids that cause projector's service life serious because of environmental factor
Shorten, the service life is damaged, and the heat radiation system of projector structure design of the utility model it is simple, without using Air Filter, reduce
Air Filter installation, replacement operation cost.Further by using laser light source and the projection to match with laser light source
Machine cooling system realizes the significantly extension of projector's machine life in a manner of manufacturing cost and low-maintenance cost.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 shows the schematic diagram of the open ray machine of the 3LCD or 3DLP projectors of the prior art；
Fig. 2A is the functional block diagram of the heat radiation system of projector of first embodiment according to the present utility model；
Fig. 2 B are the structure diagrams of the heat radiation system of projector of first embodiment according to the present utility model；
Fig. 3 shows that the structure of the cooling assembly of the heat radiation system of projector of preferred embodiment according to the present utility model is shown
It is intended to；
Fig. 4 shows that the structure of the lighting apparatus component of the heat radiation system of projector of preferred embodiment according to the present utility model is shown
It is intended to；
Fig. 5 A show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Portion of external structure diagram；
Fig. 5 B show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Another part external structure schematic diagram；
Fig. 5 C show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Internal structure schematic diagram；
Fig. 5 D show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
The structure diagram of backwind tube；
Fig. 6 A show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Ring structure schematic diagram；
Fig. 6 B show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Ring structure schematic diagram；
Fig. 6 C show the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Ring structure schematic diagram.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
Fig. 2A is the functional block diagram of the heat radiation system of projector of first embodiment according to the present utility model.Fig. 2 B are bases
The structure diagram of the heat radiation system of projector of the first embodiment of the utility model.As seen in figs. 2a-2b, the utility model
Heat radiation system of projector, including lighting apparatus component 100, cooling assembly 200 and circulation air path component 300.In the utility model, light
Thermomechanical components 100 are typically included in the device that heat is generated during projector's work, such as display chip, camera, light source etc..
In the utility model, the light source of projector using laser light source, therefore the service life of light source by pervious 3000 it is small when be increased to
20000 it is small when more than.Cooling assembly 200 can be any device for generating heat dissipation gas, such as radiator, refrigerator etc..
And circulation air path component 300 can be provided in any sealing and circulating circuit inside projector.The circulation air path component 300
It is in fluid communication to form sealing and circulating circuit with the cooling assembly 200, the heat dissipation that will be obtained from the cooling assembly 200
Gas is supplied to the lighting apparatus component 100.At this moment the gas that radiates will generate heat exchange in lighting apparatus component 100, and then cool down light
Thermomechanical components 100.Then and by the gas after heat exchange by circulation air path component 300 cooling assembly is returned to
200.Cooling assembly 200 can continue to handle it, be cooled to, be subsequently used for next cycle.
Implement the utility model heat radiation system of projector, by using sealing and circulating circuit realize well it is closed,
Dust-proof effect changes existing conventional types and excessively relies on environment, avoids that cause projector's service life serious because of environmental factor
Shorten, the service life is damaged, and the heat radiation system of projector structure design of the utility model it is simple, without using Air Filter, reduce
Air Filter installation, replacement operation cost.Further by using laser light source and the projection to match with laser light source
Machine cooling system realizes the significantly extension of projector's machine life in a manner of manufacturing cost and low-maintenance cost.
Fig. 3 shows that the structure of the cooling assembly of the heat radiation system of projector of preferred embodiment according to the present utility model is shown
It is intended to.Fig. 4 shows the structural representation of the lighting apparatus component of the heat radiation system of projector of preferred embodiment according to the present utility model
Figure.Fig. 5 A -5C show the knot of the circulation air path component of the heat radiation system of projector of preferred embodiment according to the present utility model
Structure schematic diagram.Fig. 5 D show the structure diagram of the backwind tube of circulation air path component.Fig. 6 A-6C show new according to this practicality
The ring structure schematic diagram of the circulation air path component of the heat radiation system of projector of the preferred embodiment of type
As shown in figure 3, the cooling assembly 200 includes TEC refrigerating chips 3, is sticked in the system of the TEC refrigerating chips 3
Thermal insulation case 6 on huyashi-chuuka (cold chinese-style noodles), the chill surface radiator 5 being contained in the thermal insulation case 6, be sticked dissipating in the TEC refrigerating chips 3
Hot and cold side spacing pad 4 on hot face, the hot and cold side spacing pad 4 one side opposite with the TEC refrigerating chips 3 set radiating surface
Radiator 1.Further as shown in figure 3, the radiating surface radiator 1 also further sets the radiator fan 2 being used for as cooling.
In the utility model, lighting apparatus component 100 is typically included in the device that heat is generated during projector's work, such as aobvious
Show chip, camera, light source etc..In the utility model, the light source of projector uses laser light source, therefore the service life of light source
By pervious 3000 it is small when be increased to 20000 it is small when more than.As shown in figure 4, the lighting apparatus component 100 include display chip 14,
Optical engine case 13 and camera lens 15.The camera lens 15 is electrically connected with shown chip 14.
As shown in figures 5a-5c, the circulation air path component 300 includes setting the lower air duct 7 in display chip air port 9, set
The backwind tube 8 in chill surface air port 11 and centrifugal fan 12.The thermal insulation case 6 is embedded in the chill surface air port 11.The light
Machine shell 13 is embedded in the display chip air port 9.The centrifugal fan 12 is arranged on the lower air duct 7 and/or the return air
In pipe 8.In the utility model, the part that the gas that radiates is provided to optical engine case 12 in the circulation air path component 300 is
Lower air duct 7, and the gas after heat exchange is returned into the part of the cooling assembly 200 as backwind tube 8.
Winding displacement for the display chip 14 is set in the preferred embodiment of the utility model, on the optical engine case 13
The winding displacement wire casing passed through, the interior insertion sealing-plug 10 of the winding displacement wire casing.Certainly, in display chip 14 and remaining part wireless connection
Embodiment in, it is convenient to omit the design of winding displacement wire casing.
As shown in figs 6 a-6 c, in the preferred embodiment of the utility model, the thermal insulation case 6 and the chill surface air port
On 11 assembling contact surface the fourth of the twelve Earthly Branches is set to close the groove or protrusion of structure respectively, and sealing is set between the groove and protrusion
Circle 110.In the further preferred embodiment of the utility model, the optical engine case 13 and the display chip air port 9
Assembling contact sets the fourth of the twelve Earthly Branches to close the groove or protrusion of structure respectively on surface, and sets sealing ring between the groove and protrusion
110。
With reference to Fig. 3-6C, the principle of the heat radiation system of projector of the utility model is described as follows.It is new in this practicality
In type, TEC refrigerating chips 3 generate cold air, which is transmitted to down by the thermal insulation case 6 being embedded in chill surface air port 11
In air passage 7, and the cold air inside lower air duct 7 is sent into display chip by being arranged on the centrifugal fan 12 inside lower air duct 7
Air port 9, the cold air pass through with returning to backwind tube 8 after 14 heat exchange of display chip, then enter by chill surface air port 11
Thermal insulation case 6.Then lower air duct is returned to by the chill surface radiator 5 below thermal insulation case 6, so as to form sealing and circulating circuit.
TEC refrigerating chips 3 generate refrigeration effect during internal air circulation after working, and air radiates by the chill surface of thermal insulation case 6
Into lower air duct 7 after cooling, air after cooling takes away the heat on display chip 14 when passing through display chip 14, according to physics
Characteristic cold air declines hot-air rising principle and has promoted hot gas in backwind tube quickly into being cooled down in thermal insulation case 6.
Therefore, good closed, dust-proof effect is realized by using sealing and circulating circuit, changes existing conventional types and excessively rely on
Environment is avoided because environmental factor causes projector's severe life time reduction, and the service life is damaged, and the projector of the utility model
Cooling system structure design is simple, without using Air Filter, reduces Air Filter installation, replacement operation cost.It is further logical
It crosses using laser light source and the heat radiation system of projector to match with laser light source, to manufacture the side of cost and low-maintenance cost
Formula realizes the significantly extension of projector's machine life.
The assembling and seal process of the heat radiation system of projector of the utility model are described as follows below：First in radiating surface
The uniform and thin heat-conducting silicone grease of last layer is applied on the substrate of radiator 1, then puts the hot and cold side using screw hole as positioning datum
Spacing pad 4, then 3 radiating surface of TEC refrigerating chips fitted in the substrate of radiating surface radiator 1, agree in hot and cold side spacing pad 4
In inside groove.Thickness, the inside groove area of hot and cold side spacing pad 4 are fully equivalent to the thickness of TEC refrigerating chips 3, area, then again
The substrate for being cased with the chill surface radiator 5 of thermal insulation case 6 applies the uniform and thin heat-conducting silicone grease of last layer, is attached at TEC refrigerating chips 3
Chill surface.Between thermal insulation case 6 is embedded in the chill surface air port 11 of backwind tube 8 again, then optical engine case 13 embedded in lower air duct 7
Between display chip air port 9, the winding displacement of display chip 14 is filled in sealing-plug 10 through winding displacement wire casing, so entire circulation air path
In air-tight state.
Encapsulating method：Respectively the fourth of the twelve Earthly Branches is set to close on the assembling contact surface in the thermal insulation case 6 and the chill surface air port 11
The groove or protrusion of structure, and sealing ring 110 and/or in 13 He of optical engine case is set between the groove and protrusion
The fourth of the twelve Earthly Branches is set to close the groove or protrusion of structure on the assembling contact surface in the display chip air port 9 respectively, and in the groove
Sealing ring 110 between protrusion is set, can so reach obturation effect.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of heat radiation system of projector, which is characterized in that dissipated including generating the lighting apparatus component (100) of heat during work, generating
The cooling assembly (200) of hot gas, for the lighting apparatus component (100) being supplied to carry out heat exchange the heat dissipation gas and being incited somebody to action
Gas circulation after heat exchange returns to the circulation air path component (300) of the cooling assembly (200), the circulated air
Road component (300) is in fluid communication to form sealing and circulating circuit with the cooling assembly (200).
2. heat radiation system of projector according to claim 1, which is characterized in that the cooling assembly (200) includes TEC systems
Cold core piece (3), be sticked the chill surface of the TEC refrigerating chips (3) refrigeration face component and be sticked the TEC freeze
The heat dissipation face component of the radiating surface of chip (3), circulation air path component (300), the heat dissipation described in the chill surface members
Face component connection exterior space.
3. heat radiation system of projector according to claim 2, which is characterized in that the refrigeration face component includes being located at described
The chill surface radiator (5) of the chill surface one side of TEC refrigerating chips (3) and the thermal insulation for housing the chill surface radiator (5)
Case (6).
4. heat radiation system of projector according to claim 3, which is characterized in that the heat dissipation face component includes being located at described
The hot and cold side spacing pad (4) of the radiating surface one side of TEC refrigerating chips (3), the hot and cold side spacing pad (4) are freezed with the TEC
The opposite one side of chip (3) sets radiating surface radiator (1), and radiator fan (2) is set on the radiating surface radiator (1).
5. according to the heat radiation system of projector described in any one claim in claim 1-4, which is characterized in that the light
Thermomechanical components (100) include display chip (14), optical engine case (13) and camera lens (15), wherein the optical engine case (13) is by institute
It states display chip (14) with the circulation air path component (300) to keep apart, the camera lens (15) and the display chip (14)
Electrical connection.
6. according to the heat radiation system of projector described in any one claim in claim 1-4, which is characterized in that described to follow
Ring ducting assembly (300) includes the backwind tube for setting the lower air duct (7) of display chip air port (9), setting chill surface air port (11)
(8) and centrifugal fan (12)；Wherein described backwind tube (8) passes through the chill surface air port (11) and the cooling assembly
(200) be in fluid communication, the lower air duct (7) by the display chip air port (9) and the lighting apparatus component (100) heat exchange,
The lower air duct (7) and the backwind tube (8) are in fluid communication with each other, and the centrifugal fan (12) is arranged on the lower air duct (7)
And/or in the backwind tube (8).
7. a kind of heat radiation system of projector, which is characterized in that dissipated including generating the lighting apparatus component (100) of heat during work, generating
The cooling assembly (200) of hot gas, for the lighting apparatus component (100) being supplied to carry out heat exchange the heat dissipation gas and being incited somebody to action
Gas circulation after heat exchange returns to the circulation air path component (300) of the cooling assembly (200), the circulated air
Road component (300) is in fluid communication to form sealing and circulating circuit with the cooling assembly (200)；
Wherein described cooling assembly (200) includes TEC refrigerating chips (3), is sticked in the chill surface of the TEC refrigerating chips (3)
On thermal insulation case (6), be contained in the thermal insulation case (6) chill surface radiator (5), be sticked in the TEC refrigerating chips (3)
Radiating surface on hot and cold side spacing pad (4), the hot and cold side spacing pad (4) and the opposite one side of the TEC refrigerating chips (3)
Radiating surface radiator (1) is set；
Wherein described lighting apparatus component (100) includes display chip (14), optical engine case (13) and camera lens (15), the camera lens
(15) it is electrically connected with the display chip (14)；
Wherein described circulation air path component (300) includes setting the lower air duct (7) of display chip air port (9), sets chill surface wind
The mouth backwind tube (8) of (11) and centrifugal fan (12)；It is described in the embedded chill surface air port (11) of the thermal insulation case (6)
In the embedded display chip air port (9) of optical engine case (13)；The centrifugal fan (12) be arranged on the lower air duct (7) and/
Or in the backwind tube (8).
8. heat radiation system of projector according to claim 7, which is characterized in that set on the optical engine case (13) for institute
The winding displacement wire casing that the winding displacement of display chip (14) passes through is stated, sealing-plug (10) is inserted into the winding displacement wire casing.
9. the heat radiation system of projector according to claim 7 or 8, which is characterized in that the thermal insulation case (6) and the refrigeration
The groove or protrusion that the fourth of the twelve Earthly Branches is closed on the assembling contact surface in face air port (11) are set respectively, and set between the groove and protrusion
Sealing ring (110).
10. the heat radiation system of projector according to claim 7 or 8, which is characterized in that the optical engine case (13) and described
The groove or protrusion that the fourth of the twelve Earthly Branches is closed are set respectively on the assembling contact surface in display chip air port (9), and in the groove and protrusion
Between set sealing ring (110).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135346.8U CN207424506U (en) | 2017-09-06 | 2017-09-06 | Heat radiation system of projector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721135346.8U CN207424506U (en) | 2017-09-06 | 2017-09-06 | Heat radiation system of projector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207424506U true CN207424506U (en) | 2018-05-29 |
Family
ID=62315854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721135346.8U Active CN207424506U (en) | 2017-09-06 | 2017-09-06 | Heat radiation system of projector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207424506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856896A (en) * | 2019-03-05 | 2019-06-07 | 黄河水利职业技术学院 | A kind of urban traffic road computer probe uses air ducting |
-
2017
- 2017-09-06 CN CN201721135346.8U patent/CN207424506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856896A (en) * | 2019-03-05 | 2019-06-07 | 黄河水利职业技术学院 | A kind of urban traffic road computer probe uses air ducting |
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