CN203455575U - Projector and flow guiding cover thereof - Google Patents

Projector and flow guiding cover thereof Download PDF

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Publication number
CN203455575U
CN203455575U CN201320456530.8U CN201320456530U CN203455575U CN 203455575 U CN203455575 U CN 203455575U CN 201320456530 U CN201320456530 U CN 201320456530U CN 203455575 U CN203455575 U CN 203455575U
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CN
China
Prior art keywords
projector
flow guiding
draining hole
draining
drainage hood
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201320456530.8U
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Chinese (zh)
Inventor
曾艳山
廖金海
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foryou Multimedia Electronics Co Ltd
Original Assignee
Foryou Multimedia Electronics Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foryou Multimedia Electronics Co Ltd filed Critical Foryou Multimedia Electronics Co Ltd
Priority to CN201320456530.8U priority Critical patent/CN203455575U/en
Application granted granted Critical
Publication of CN203455575U publication Critical patent/CN203455575U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Cooling Or The Like Of Electrical Apparatus (AREA)

Abstract

The utility model discloses a projector and a flow guiding cover thereof. The flow guiding cover is used for the projector, and comprises a main a general flow guiding mouth used in cooperation with a cooling fan, a cooling fan flow guiding mouth communicated with the general flow guiding mouth, and other heat source flow guiding mouths communicated with the general flow guiding mouth. Based on the position of a heat source and a distributed design of the cooling fan, air blown out by the cooling fan is divided via the flow guiding cover. The general flow guiding mouth transports the inlet air of the cooling fan to a position of each of heat sources for air cooling via the cooling fan flow guiding mouth and the other heat source flow guiding mouths, and that is to say, cooling air is divided into the position of each of the heat sources, so purposeful heat dissipation for the projector is achieved and a heat dissipation effect is better achieved. Via the flow guiding cover, a good heat dissipation effect for a high energy consumption projector can be achieved. The projector comprises the flow guiding cover.

Description

A kind of projector and drainage hood thereof
Technical field
The utility model relates to projection arrangement technical field, relates in particular to a kind of projector and drainage hood thereof.
Background technology
Development along with shadow casting technique, projector is more and more toward the high power consumption future development of high brightness, market masses also more and more draw close toward small size, low noise etc. projector simultaneously, at this time just between the development of projector and market masses' demand, just there is a kind of contradiction, projector's brightness is higher, power consumption is larger, and internal heat is distributed larger, and internal temperature rise is higher, for not affecting normal operation and the routine use of projector, at this time Jiu Xudui projector carries out heat dissipation design.
In the prior art, through test, find that projector's interior environment temperature is far away higher than inner each element normal working temperature scope, projector's internal temperature is too high, and inner each components and parts can not well move.At this moment when the consideration of heat dissipation design, adopt traditional heat sink conception method for designing, consideration is inner by constantly adjusting air quantity and the quantity of radiator fan in projector, the area of dissipation of heat radiator dispels the heat, through constantly adjusting test, discovery is in existing scheme, although projector's internal temperature is had to certain improvement by continuous increase heat radiator area and increase air quantity of fan, but temperature is still in each element normal operation critical value, be there is to very large hidden danger in the stability of projector and reliability, simultaneously because heat radiation needs, continuing to increase of air quantity of fan, cause projector's noise to exceed tolerance interval, also may there is the too high problem of complete machine internal temperature simultaneously.
Therefore, how providing a kind of drainage hood, to realize the good heat radiating of highly energy-consuming projector, is current those skilled in the art technical matterss urgently to be resolved hurrily.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of drainage hood, to realize the good heat radiating of highly energy-consuming projector.Another object of the present utility model is to provide a kind of projector that comprises above-mentioned drainage hood.
In order to achieve the above object, the utility model provides following technical scheme:
A drainage hood, for projector, comprises the total draining hole being used in conjunction with radiator fan, the heat radiator draining hole being communicated with described total draining hole and other thermal source draining holes that are communicated with described total draining hole.
Preferably, above-mentioned other thermal source draining holes comprise ray machine draining hole, the ray machine towards described projector.
Preferably, above-mentioned ray machine draining hole comprises the first draining hole and the second draining hole, and described the first draining hole is positioned at the afterbody of described ray machine, and described the second draining hole is positioned at the top of described ray machine.
Preferably, above-mentioned other thermal source draining holes comprise pcb board draining hole, the pcb board towards described projector.
Preferably, above-mentioned other thermal source draining holes comprise adapter draining hole, the adapter towards described projector.
The utility model also provides a kind of projector, comprises the drainage hood as described in above-mentioned any one.
The drainage hood that the utility model provides, for projector, comprises the total draining hole being used in conjunction with radiator fan, the heat radiator draining hole being communicated with described total draining hole and other thermal source draining holes that are communicated with described total draining hole.According to the distribution design of the position of thermal source and radiator fan, the air quantity that radiator fan is produced by boasting is shunted by drainage hood.It is cooling that air is carried out in the position that total draining hole is transported to each thermal source by the air intake of radiator fan by the heat radiator draining hole being communicated with total draining hole and other thermal source draining holes that are communicated with total draining hole, namely cooling-air is diverted to each heat source position, to reach autotelic to projector's complete machine heat radiation, reach better radiating effect.The drainage hood that the utility model provides can be realized the good heat radiating of highly energy-consuming projector.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The structural representation of the drainage hood that Fig. 1 provides for the utility model embodiment;
The structural representation that the drainage hood that Fig. 2 provides for the utility model embodiment and projector are used in conjunction with.
In upper Fig. 1 and Fig. 2:
Total draining hole 1, heat radiator draining hole 2, other thermal source draining holes 3, the second draining hole 41, the first draining hole 42, pcb board draining hole 5, adapter draining hole 6, heat radiator 7, ray machine 8, radiator fan 9.
Embodiment
The utility model embodiment provides a kind of drainage hood, to realize the good heat radiating of highly energy-consuming projector.
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Please refer to Fig. 1 and Fig. 2, the structural representation of the drainage hood that Fig. 1 provides for the utility model embodiment; The structural representation that the drainage hood that Fig. 2 provides for the utility model embodiment and projector are used in conjunction with.
The drainage hood that the utility model embodiment provides, for projector, comprises the total draining hole 1 being used in conjunction with radiator fan 9, the heat radiator draining hole 2 being communicated with total draining hole 1 and other thermal source draining holes 3 that are communicated with total draining hole 1.According to the distribution design of the position of thermal source and radiator fan 9, the air quantity that radiator fan 9 is produced by boasting is shunted by drainage hood.It is cooling that air is carried out in the position that total draining hole 1 is transported to each thermal source by the air intake of radiator fan 9 by the heat radiator draining hole 2 being communicated with total draining hole 1 and other thermal source draining holes 3 that are communicated with total draining hole 1, namely cooling-air is diverted to each heat source position, to reach autotelic to projector's complete machine heat radiation, reach better radiating effect.The drainage hood that the utility model provides can be realized the good heat radiating of highly energy-consuming projector.
Wherein, heat radiator 7 is places of the heat maximum of projector, after heat radiator draining hole 2 is come cooling-air guiding, by accelerating the radiating efficiency of heat radiator 7, so that the radiating efficiency of whole projector to be provided.
The drainage hood that the utility model embodiment provides is when the high-brightness projection machine in the face of high power consumption, not by increasing heat radiator 7 area of dissipations and radiator fan 9 air quantity, to reach heat radiation object simply, but from practical layout, the wind that radiator fan 9 is produced by boasting the most effectively utilizes, when when the drainage hood Dang projector complete machine internal heat resource that the utility model embodiment provides is worked, total power consumption can reach 60W, this belongs to high power consumption projector in minitype projection machine, still old good heat radiation performance.
The drainage hood that the utility model embodiment provides is particularly useful for LED projector.Concrete, the English full name of light emitting diode is Light-Emitting Diode, is called for short LED, is the luminous semi-conductor electricity sub-element of a kind of energy.
The drainage hood that the utility model embodiment provides is by the autotelic position that needs heat radiation that is directed to of wind that radiator fan 9 is produced by boasting, and projection complete machine internal temperature has been controlled in rational scope, thereby can better guarantee the stability of projector's work.This has just shown rationally effectively to utilize radiator fan 9 air quantity, is carried out planned guiding, just can reach the inner better cross-ventilation effect of complete machine, meets the requirement of high power consumption projector heat radiation.And, can reduce the cost of product.
Wherein, the English full name of PCB is PrintedCircuitBoard, and Chinese is printed circuit board.
Concrete, ray machine 8 is main thermals source of projector, the pcb board in projector and adapter also belong to thermal source, therefore, other thermal source draining holes comprise ray machine draining hole, and the ray machine towards projector is realized the good heat radiating to ray machine, can also comprise pcb board draining hole 5, pcb board towards projector, realizes the good heat radiating to pcb board, can also comprise adapter draining hole 6, adapter towards projector, realizes the good heat radiating to adapter.
As can see from Figure 2, pcb board draining hole 5 is towards top, when practical set, pcb board is above the pcb board draining hole 5, the below of adapter draining hole 6 is provided with adapter, adapter draining hole 6 is actually a strip through hole, can to adapter, carry out cooling by guiding cooling air.
Wherein, ray machine draining hole comprises that the first draining hole 41 and the second draining hole 42, the first draining holes 41 are positioned at the afterbody of ray machine 8, and the second draining hole 42 is positioned at the top of ray machine 8.Respectively drainage heat radiation is carried out in the top of the afterbody of ray machine 8 and ray machine 8, radiating effect is better.
Certainly, also have other thermal source in projector, for example battery, also can arrange corresponding draining hole to strengthen radiating effect.
The utility model embodiment also provides a kind of projector, comprises the drainage hood as described in above-mentioned any one embodiment.To realize the good heat radiating of self, and can noise.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (6)

1. a drainage hood, for projector, it is characterized in that, comprise the total draining hole (1) being used in conjunction with radiator fan (9), the heat radiator draining hole (2) being communicated with described total draining hole (1) and other thermal source draining holes (3) that are communicated with described total draining hole (1).
2. drainage hood according to claim 1, is characterized in that, described other thermal source draining holes (3) comprise ray machine draining hole, the ray machine (8) towards described projector.
3. drainage hood according to claim 2, it is characterized in that, described ray machine draining hole comprises the first draining hole (41) and the second draining hole (42), described the first draining hole (41) is positioned at the afterbody of described ray machine (8), and described the second draining hole (42) is positioned at the top of described ray machine (8).
4. drainage hood according to claim 1, is characterized in that, described other thermal source draining holes (3) comprise pcb board draining hole (5), the pcb board towards described projector.
5. drainage hood according to claim 1, is characterized in that, described other thermal source draining holes (3) comprise adapter draining hole (6), the adapter towards described projector.
6.Yi Zhong projector, is characterized in that, comprises the drainage hood as described in the claims 1-5 any one.
CN201320456530.8U 2013-07-29 2013-07-29 Projector and flow guiding cover thereof Expired - Fee Related CN203455575U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201320456530.8U CN203455575U (en) 2013-07-29 2013-07-29 Projector and flow guiding cover thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320456530.8U CN203455575U (en) 2013-07-29 2013-07-29 Projector and flow guiding cover thereof

Publications (1)

Publication Number Publication Date
CN203455575U true CN203455575U (en) 2014-02-26

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CN201320456530.8U Expired - Fee Related CN203455575U (en) 2013-07-29 2013-07-29 Projector and flow guiding cover thereof

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CN (1) CN203455575U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110198398A (en) * 2019-06-06 2019-09-03 东莞市闻誉实业有限公司 Photographic device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110198398A (en) * 2019-06-06 2019-09-03 东莞市闻誉实业有限公司 Photographic device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20140226

Termination date: 20200729

CF01 Termination of patent right due to non-payment of annual fee