CN102162986A - Cooling device and projector - Google Patents

Cooling device and projector Download PDF

Info

Publication number
CN102162986A
CN102162986A CN 201110106155 CN201110106155A CN102162986A CN 102162986 A CN102162986 A CN 102162986A CN 201110106155 CN201110106155 CN 201110106155 CN 201110106155 A CN201110106155 A CN 201110106155A CN 102162986 A CN102162986 A CN 102162986A
Authority
CN
China
Prior art keywords
projector
cooling
wick
gate
air outlet
Prior art date
Application number
CN 201110106155
Other languages
Chinese (zh)
Inventor
李信宏
Original Assignee
苏州佳世达光电有限公司
佳世达科技股份有限公司
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 苏州佳世达光电有限公司, 佳世达科技股份有限公司 filed Critical 苏州佳世达光电有限公司
Priority to CN 201110106155 priority Critical patent/CN102162986A/en
Publication of CN102162986A publication Critical patent/CN102162986A/en

Links

Abstract

The invention relates to a cooling device and a projector. The technical problem to be solved by the invention is to provide the cooling device. The cooling device comprises a fan having an air outlet for supplying a cooling air flow, a blow nozzle having an air inlet connected with the air outlet of the fan and an air outlet with a first air channel and a second air channel, a gravity-type switch device including a pendulum and a gate, wherein the pendulum can make the gate switched from a first position to a second position when the gravity-type switch device is switched from a first state to a second state; the cooling air flow passes through the first air channel when the gate is in the first position; and the cooling air flow passes through the second air channel when the gate is in the second position.

Description

Cooling device and projector

[technical field]

The invention relates to a kind of cooling device, particularly relevant for a kind of projector with the cooling device in changeable air channel.

[background technology]

Existing electronic installation, for example projector, back projection type TV, CD-ROM device, host computer etc., its inside all must dispose cooling device and cool off the heat that its operating period produces.Except the volume of projection arrangement is the main subject under discussion, other subject under discussion as cooling system, also is that each manufacturer makes great efforts the target improved.The use pattern of a projector has hanging pattern of wall (ceiling) and table to put two kinds of patterns of formula again.If if it is the A face in the face of housing face of desktop when the table mode playback in projector, then when the Yu Bi of this projector (ceiling) extension pattern this A face then towards ceiling.That is to say, the projector under this two-mode, the upset that is into 180 degree concerns.

Projector lamp source commonly used at present is high-pressure sodium lamp (mercury lamp).Existing high-power lamp (>350W) tighter to the specification of lamp temperature; The specification of the upper and lower balance of wick temperature particularly.Because wick has the physical phenomenon of thermal convection (convection), and hot-air gentlier can up flow, and therefore causes the top temperature of wick can be than below temperature height.Under wall (ceiling) extension pattern and table mode playback, the hot spots position can change along with the use pattern.

The projector that surpasses the 350W wick at present, its air channel design mostly is to use two air channels and two fans, respectively the above and below of corresponding wick.But cost height so not only, shared space is also big.The relevant preceding case of related invention, but the open case of reference example such as Japanese patent application case JP10-1-6307, this case has an air supply direction and changes element 23, so that cooling draught is sent to the high-temperature region of wick.

In order to keep the balance of top, below lamp temperature, with up to specification, be to have demand to develop a kind of single air channel, single fan, and can be along with wall (ceiling) hanging and table put the selection of formula, and the mechanism in automatic switchover air channel.

At the demand, the invention provides a kind of cooling device of changeable air channel, only one group of air channel of need and fan just can reach the cooling effect under the different mode.

[summary of the invention]

One object of the present invention is to provide a kind of cooling device, and it comprises: fan, have air outlet, and feed out a cooling draught; Blow gun, the air outlet with air intake vent and described fan links, and this blow gun has air outlet, and the air outlet of this blow gun has first air channel and second air channel; The gravity type switching device shifter, comprise pendulum, gate, wherein, when this gravity type switching device shifter switches to second state by first state, this pendulum makes this gate switch to the second place by primary importance, wherein this gate makes cooling draught pass through first air channel when primary importance, and this gate makes cooling draught pass through second air channel when the second place.

As optional technical scheme, this gravity type switching device shifter comprises rotating shaft, and when this pendulum was the center rotation with this rotating shaft, this gate was that rotate at the center with this rotating shaft.

Another object of the present invention is to provide a kind of projector with above-mentioned cooling device, it also comprises: wick, wherein when this projector operates with the table mode playback, the cooling draught that this cooling device is carried blows to first high-temperature region of this wick, when this projector during with the wall hanging mode operating, the cooling draught that this cooling device is carried blows to second high-temperature region of this wick.

As optional technical scheme, this wick is the high-pressure mercury wick.

As optional technical scheme, this projector concerns with become 180 degree upsets in this wall hanging pattern at this mode playback.

Another object of the present invention is to provide a kind of cooling device, and it comprises: fan, have air outlet, and feed out a cooling draught; Blow gun, the air outlet with air intake vent and fan links, and this blow gun has air outlet; The gravity type switching device shifter, comprise pendulum, gate, wherein, when this gravity type switching device shifter switches to second state by first state, this pendulum makes this gate switch to the second place by primary importance, wherein this gate makes flow through the first half ones of this blow gun air outlet of cooling draught when primary importance, and this gate makes flow through the second half ones of blow gun air outlet of cooling draught when the second place.

As optional technical scheme, this gravity type switching device shifter comprises rotating shaft, and when this pendulum with the rotating shaft was the center rotation, this gate was that rotate at the center with the rotating shaft.

Another object of the present invention is to provide a kind of projector with above-mentioned cooling device, it comprises: wick, wherein when this projector operates with the table mode playback, the cooling draught that this cooling device is carried blows to first high-temperature region of this wick, when this projector during with the wall hanging mode operating, the cooling draught that this cooling device is carried blows to second high-temperature region of this wick.

As optional technical scheme, this wick is the high-pressure mercury wick.

As optional technical scheme, this projector concerns with become 180 degree upsets in this wall hanging pattern at this mode playback.

Benefit of the present invention is to provide the cooling device in changeable air channel, and only one group of air channel of need and fan just can reach the cooling effect under the different mode.

[description of drawings]

Fig. 1 discloses element relevant with the present invention in the projector in the stereographic map mode, first situation that this projector is in (table mode playback).

Fig. 2 discloses element relevant with the present invention in the projector in the stereographic map mode, second device (ceiling pattern) that this projector is in.

The cooling device in the changeable air channel when Fig. 3 illustrates mode playback.

The cooling device in the changeable air channel when Fig. 4 illustrates the ceiling pattern.

Fig. 5 illustrates the gravity type switching device shifter.

[embodiment]

Below in detail preferred embodiment of the present invention will be described in detail, use proving absolutely feature of the present invention, spirit and advantage.

See also Fig. 1, disclose the element relevant in the projector 10 with the present invention in the stereographic map mode, first situation that this projector 10 is under this state (table mode playback), so housing face 101 is in the face of desktop under this state.

By shown in Figure 1, projector 10 comprises fan 103, blow gun 105, gravity type switching device shifter (109,104,107), wick 102.Fan 103 has air outlet, feeds out cooling draught.The air outlet that blow gun 105 has air intake vent and fan 103 links, and blow gun 105 has air outlet, and the air outlet of this blow gun 105 has first air channel and second air channel, can be with reference to figure 3, Fig. 4.

With reference to each diagram, gravity type switching device shifter (109,104,107) comprise pendulum 109, gate 104 and rotating shaft 107, wherein, this gravity type switching device shifter (109,104, when 107) switching to one second state (Fig. 4) by first state (Fig. 3), because of putting on the change of the gravity direction of pendulum 109, this pendulum 109 thereby rotation make this gate 104 switch to the second place (Fig. 4) by corresponding first location (Fig. 3), wherein this gate 104 makes cooling draught pass through first air channel (the last square channel among Fig. 3) in primary importance, and gate 104 makes cooling draught pass through second air channel (the last square channel among Fig. 4) in the second place.

That is, when this projector 10 operates with first situation, this gravity type switching device shifter (109,104,107) is in first state, the cooling draught that these blow gun 105 devices are carried blows to first high-temperature region of this wick 102 by this first air channel, when this projector 10 operates with second situation, this gravity type switching device shifter (109,104,107) be in second state, the cooling draught that these blow gun 105 devices are carried blows to second high-temperature region of this wick 102 by this second air channel.In the present embodiment, this second high-temperature region and first high-temperature region lay respectively at the not homonymy of this wick.

As above-mentioned, gravity type switching device shifter (109,104,107) comprises rotating shaft 107, and when changing because of gravity direction, this pendulum 109 is center when rotating with rotating shaft 107, this gate 104 thereby be the center rotation with rotating shaft 107.

See also Fig. 2, disclose the element relevant in the projector 10 with the present invention in the stereographic map mode, second situation that this projector 10 is under this state (ceiling pattern), so housing face 101 is in the face of ceiling under this state.Comparison diagram 1 and Fig. 2 as can be known, during situation, this gravity type switching device shifter (109,104,107) is in first state among Fig. 1, during situation, this gravity type switching device shifter (109,104,107) is in second state among Fig. 2.

See also Fig. 3, have the cooling device in changeable air channel when illustrating mode playback, first situation of the projector 10 of Fig. 3 corresponding diagram 1.

As shown in Figure 4, has the cooling device in changeable air channel when illustrating the ceiling pattern, second situation of the projector 10 of Fig. 4 corresponding diagram 2.

Referring to Fig. 5, be gravity type switching device shifter (109,104,107) detail view is because gate 104 has a conduit, this conduit aligns with first air channel when Fig. 3 state, allow that cooling draught passes through, second air channel then is blocked, and this conduit aligns with second air channel when Fig. 4 state, allow that cooling draught passes through, first air channel then is blocked.So can reach purpose of the present invention.

Comprehensive above embodiment is described, according to the present invention, only needs one group of (upper and lower) air channel and single fan, the purpose that attainable cost is invented, not only cost-saving but also can reach preferable space utilization.

By the above detailed description of preferred embodiments, the phase can be known description feature of the present invention and spirit, and is not to come scope of the present invention is limited.On the contrary, its objective is that hope can contain the scheme of various changes and tool equality.

For example in other embodiments, aforementioned blow gun air outlet design with first air channel, second air channel can be modified as the blow gun air outlet design in single air channel.As long as gate 104 has a conduit, and projector this conduit when first situation is positioned at the first half of the blow gun air outlet in single air channel, then this moment, cooling draught was sent by the blow gun air channel first half, and projector this conduit when second situation is positioned at the Lower Half of the blow gun air outlet in single air channel, then this moment, cooling draught was sent by blow gun air channel Lower Half, can reach the purpose of attainable cost invention equally, not only cost-saving but also can reach preferable space utilization.

With this viewpoint, another embodiment of the present invention is a kind of cooling device, comprises:

Fan has air outlet, feeds out a cooling draught;

Blow gun, the air outlet with air intake vent and fan links, and this blow gun has air outlet;

The gravity type switching device shifter, comprise pendulum, gate, wherein, when this gravity type switching device shifter switches to second state by first state, this pendulum makes this gate switch to the second place by primary importance, wherein this gate makes flow through the first half ones of this blow gun air outlet of cooling draught when primary importance, and this gate makes flow through the second half ones of blow gun air outlet of cooling draught when the second place.

If the cooling device with this embodiment is a cooling element, then have the projector of this cooling device, comprise:

Wick, wherein when this projector operates with the table mode playback, the cooling draught that this cooling device is carried blows to first high-temperature region of this wick, and when this projector during with the wall hanging mode operating, the cooling draught that this cooling device is carried blows to second high-temperature region of this wick.In the present embodiment, this second high-temperature region and first high-temperature region lay respectively at the not homonymy of this wick.

Though the present invention with the foregoing description explanation as above, is not in order to limit the present invention.Protection scope of the present invention should be as the criterion with claim.

Claims (10)

1. cooling device is characterized in that comprising:
Fan has air outlet, feeds out cooling draught;
Blow gun, the air outlet with air intake vent and described fan links, and this blow gun has air outlet, and the air outlet of this blow gun has first air channel and second air channel;
The gravity type switching device shifter, comprise pendulum, gate, wherein, when this gravity type switching device shifter switches to second state by first state, this pendulum makes this gate switch to the second place by primary importance, wherein this gate makes cooling draught pass through first air channel when primary importance, and this gate makes cooling draught pass through second air channel when the second place.
2. cooling device as claimed in claim 1 is characterized in that this gravity type switching device shifter comprises rotating shaft, and when this pendulum was the center rotation with this rotating shaft, this gate was that rotate at the center with this rotating shaft.
3. projector is characterized in that comprising:
Cooling device as claimed in claim 1 or 2;
Wick,
Wherein when this projector operates with the table mode playback, the cooling draught that this cooling device is carried blows to first high-temperature region of this wick, when this projector during with the wall hanging mode operating, the cooling draught that this cooling device is carried blows to second high-temperature region of this wick.
4. projector as claimed in claim 3 is characterized in that this wick is the high-pressure mercury wick.
5. projector as claimed in claim 3 is characterized in that this projector concerns with become 180 degree upsets in this wall hanging pattern at this mode playback.
6. cooling device is characterized in that comprising:
Fan has air outlet, feeds out a cooling draught;
Blow gun, the air outlet with air intake vent and fan links, and this blow gun has air outlet;
The gravity type switching device shifter, comprise pendulum, gate, wherein, when this gravity type switching device shifter switches to second state by first state, this pendulum makes this gate switch to the second place by primary importance, wherein this gate makes flow through the first half ones of this blow gun air outlet of cooling draught when primary importance, and this gate makes flow through the second half ones of blow gun air outlet of cooling draught when the second place.
7. cooling device as claimed in claim 6 is characterized in that this gravity type switching device shifter comprises rotating shaft, and when this pendulum with the rotating shaft was the center rotation, this gate was that rotate at the center with the rotating shaft.
8. projector is characterized in that comprising:
As claim 6 or 7 described cooling devices;
Wick,
Wherein when this projector operated with the table mode playback, the cooling draught that this cooling device is carried blowed to first high-temperature region of this wick, and when this projector during with the wall hanging mode operating, the cooling draught that this cooling device is carried blows to second high-temperature region of this wick.
9. projector as claimed in claim 8 is characterized in that this wick is the high-pressure mercury wick.
10. projector as claimed in claim 8 is characterized in that this projector concerns with become 180 degree upsets in this wall hanging pattern at this mode playback.
CN 201110106155 2011-04-26 2011-04-26 Cooling device and projector CN102162986A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201110106155 CN102162986A (en) 2011-04-26 2011-04-26 Cooling device and projector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201110106155 CN102162986A (en) 2011-04-26 2011-04-26 Cooling device and projector

Publications (1)

Publication Number Publication Date
CN102162986A true CN102162986A (en) 2011-08-24

Family

ID=44464289

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201110106155 CN102162986A (en) 2011-04-26 2011-04-26 Cooling device and projector

Country Status (1)

Country Link
CN (1) CN102162986A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105090837A (en) * 2015-09-14 2015-11-25 广州市浩洋电子有限公司 Stage lamp with cooling gas flow control system

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005024735A (en) * 2003-06-30 2005-01-27 Toshiba Corp Light source device
CN1790155A (en) * 2004-12-17 2006-06-21 中强光电股份有限公司 Cooling device with mesh structure
CN1794084A (en) * 2004-12-24 2006-06-28 三洋电机株式会社 Projection video display device
CN101673031A (en) * 2008-09-09 2010-03-17 松下电器产业株式会社 Projection display device
CN101762964A (en) * 2010-01-27 2010-06-30 苏州佳世达光电有限公司 Projector
CN102004382A (en) * 2009-08-28 2011-04-06 日立民用电子株式会社 Projection type display apparatus

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005024735A (en) * 2003-06-30 2005-01-27 Toshiba Corp Light source device
CN1790155A (en) * 2004-12-17 2006-06-21 中强光电股份有限公司 Cooling device with mesh structure
CN1794084A (en) * 2004-12-24 2006-06-28 三洋电机株式会社 Projection video display device
CN101673031A (en) * 2008-09-09 2010-03-17 松下电器产业株式会社 Projection display device
CN102004382A (en) * 2009-08-28 2011-04-06 日立民用电子株式会社 Projection type display apparatus
CN101762964A (en) * 2010-01-27 2010-06-30 苏州佳世达光电有限公司 Projector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105090837A (en) * 2015-09-14 2015-11-25 广州市浩洋电子有限公司 Stage lamp with cooling gas flow control system
CN105090837B (en) * 2015-09-14 2017-12-26 广州市浩洋电子股份有限公司 A kind of stage lighting with cooling gas flow control system

Similar Documents

Publication Publication Date Title
US20180340700A1 (en) Variable refrigerant flow system
AU2009258847B2 (en) Air conditioner
WO2012169713A1 (en) Air conditioner with a cooling module
JP6244791B2 (en) Air conditioning system
WO2012060218A1 (en) Air conditioning system for management of server room, and air conditioning control method
CN102155682B (en) Light source apparatus and projector type image display apparatus
KR100803144B1 (en) Air conditioner
EP2677848B1 (en) Heat exchanger and cabinet
ES2750251T3 (en) Air conditioner
EP3260791A1 (en) Air conditioning system
CN101504179B (en) Substitution control method for air conditioner fault sensor
AU2015220023B2 (en) Air conditioning apparatus
CN204425871U (en) Liquid-cooling heat radiator
CN203298420U (en) Air conditioning system in machine room
US10429089B2 (en) Outdoor unit for air conditioner
US10006649B2 (en) Air-conditioning system
US20180283725A1 (en) Air-conditioning system
WO2013057844A1 (en) Air conditioning system of communication/information processing apparatus chamber, etc.
CN101849135B (en) Light source cooling device and projection display device with the same
JP5538503B2 (en) Outdoor unit and refrigeration cycle apparatus
US9033776B2 (en) Air conditioning apparatus and air conditioning system
CN105042989B (en) Refrigerator
CN105698353B (en) Air conditioner
EP3059514A1 (en) Air-conditioning system and control method therefor
US9784481B2 (en) Heat-recovery-type refrigerating apparatus

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20110824