CN104865780A - Projector air channel adjusting structure and adjusting method thereof - Google Patents
Projector air channel adjusting structure and adjusting method thereof Download PDFInfo
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- CN104865780A CN104865780A CN201510254616.6A CN201510254616A CN104865780A CN 104865780 A CN104865780 A CN 104865780A CN 201510254616 A CN201510254616 A CN 201510254616A CN 104865780 A CN104865780 A CN 104865780A
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/14—Details
- G03B21/16—Cooling; Preventing overheating
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Abstract
The invention relates to a projector air channel adjusting structure and an adjusting method thereof, and is applied to a projector having an air channel, a fan and a projection light source. One end of the air channel is communicated with an air outlet of the fan, and the other end of the air channel is communicated with the housing holding the projection light source. The projector air channel adjusting structure comprises a separation blade and an adjusting member. One end of the separation blade is in rotation connection with the air channel, and the other end of the separation blade is provided with an abutting position. The adjusting member is arranged on the air channel. One end of the adjusting member is provided with an abutting portion abutting against the abutting position, and is used for enabling the separation blade to rotate in the air channel under the control of the adjusting member. The other end of the adjusting member is exposed from the air channel. By employing the projector air channel adjusting structure and the adjusting method mentioned above, during the temperature measurement on ball upper and lower portions, the angle of the separation blade relative to the air channel can be indirectly adjusted through the change of the position of the adjusting member relative to the air channel, a lot of test time can be saved, and the working efficiency is greatly improved.
Description
Technical field
The present invention relates to projection art, particularly relate to projector's air channel adjust structure and method thereof.
Background technology
Along with the progress of society, people are more and more deep to the understanding of projector, also more and more higher to the requirement of projector, such as its noise, sharpness, contrast and automatic adjustment projection orientation etc.
Most projector uses high-pressure sodium lamp as light source in the market, the cardinal principle of high-pressure sodium lamp is worn sharp for mercuryvapour with high voltage, electric current can luminous high light and heat-flash through breakdown mercuryvapour, heat-flash can cause bulb temperature to rise rapidly, if do not add fan to cool, the high temperature that heat produces by bulb-damage, can cause quick-fried lamp time serious, high-pressure sodium lamp can produce the mercuryvapour of severe toxicity after blast, jeopardizes the life security of human body.
Be absolutely necessary so high-pressure sodium lamp operationally carries out cooling to it, cooling not only can stop high-pressure sodium lamp to damage, and can improve its serviceable life.Known, the quality of cooling effect can determine the length in high-pressure sodium lamp life-span, thus control well high-pressure sodium lamp spheroid (electrodes of uhp lamps electric discharge one sealing glass bead inside carry out, be called for short spheroid) temperature extremely important.If the too high meeting of spheroid temperature causes glass bead generation recrystallization, chemical composition changes, and the intensity of glass bead and light transmission are reduced, and then causes brightness to decline, time serious, spheroid can cause quick-fried lamp because intensity declines.Spheroid temperature is too low simultaneously also can cause bulb brightness decay too fast, therefore makes spheroid temperature extremely important to bulb life.
The temperature one of spheroid has two test points, position when normally working according to projector is divided into spheroid top and spheroid bottom, that point uppermost when spheroid top is projector's work, spheroid bottom is that point nethermost, general rule of thumb gained, the cooling draught that spheroid top needs is more than spheroid bottom.And the specification temperature of spheroid top and spheroid bottom is also variant, the measuring tempeature on general spheroid top can higher than the specification temperature of spheroid bottom.
For the temperature relation required for spheroid top and spheroid bottom, general employing installs catch additional in air channel, projector is just throwing and is becoming spheroid top when hanging throwing and become spheroid bottom, spheroid bottom becomes spheroid top, catch also can be shifted one's position when positive administration hangs throwing under gravity, ensures that the air-flow on spheroid top is greater than the air-flow of spheroid bottom all the time.
In order to the temperature of spheroid top and spheroid bottom is accomplished optimum level, make the longest-lived of high-pressure sodium lamp, we generally can carry out reasonable distribution to the air-flow of spheroid top and spheroid bottom, the result of distribution we can be drawn by test spheroid top and the temperature of spheroid bottom.The method of distributing is the length controlling catch pin, and the temperature variation of change to spheroid top and spheroid bottom of catch pin length is very responsive, and the change of general catch pin length can be accurate to 0.1mm.If a best temperature that is will be obtained, need the temperature data of the catch pin length variations changed every 0.1mm to be measured come, the workload of probe temperature can be added so greatly.
Summary of the invention
Based on this, be necessary to provide a kind of user of convenience to adjust projector's air channel adjust structure of the temperature of test spheroid.
Also be necessary to provide a kind of user of convenience to adjust projector's air channel method of adjustment of the temperature of test spheroid.
A kind of projector air channel adjust structure, be applied to the projector with air channel, fan and projection light source, the one end in this air channel is communicated with the gas outlet of this fan, the other end in this air channel is communicated with the housing of this projection light source accommodating, described projector air channel adjust structure comprises: catch and adjustment part, one end of described catch is used for being rotatably connected with described air channel, described adjustment part is for being arranged on described air channel, one end of described adjustment part abuts with described catch, and the other end of described adjustment part exposes to described air channel.
Wherein in an embodiment, described adjustment part for being arranged in the mounting hole on described air channel, to make described adjustment part and described air channel interference fit.
Wherein in an embodiment, described adjustment part is U-shaped adjusting rod, and described adjustment part is provided with the described air channel of installation position for being arranged on, and described adjustment part is used for one end and is installed on described installation position, and the other end is located in described mounting hole.
Wherein in an embodiment, described catch comprises round end and free end, described catch for be arranged on be provided with rotate position described air channel in, described round end be used for be rotatably connected with described rotation position, described free end be used for abut with described adjustment part.
Wherein in an embodiment, described adjustment part is provided with external thread, and described adjustment part is provided with the described air channel of internal thread mounting hole for being bolted in.
A kind of projector air channel method of adjustment, be applied to projector's air channel adjust structure, comprise the steps: that described projector powers on start, by described fan, cold wind is sent into described projection light source by described air channel, by adjusting the relative position in described adjustment part and described air channel, adjust the angle in described catch and described air channel, to regulate the air quantity of the cold wind flowing through the opposing two sides of described catch.
Wherein in an embodiment, projector's air channel method of adjustment also comprises the steps: to detect each temperature value of projection light source in the described adjustment part process of adjustment by temperature measuring device.
Wherein in an embodiment, projector's air channel method of adjustment also comprises the steps: the angle value recording described catch corresponding to each temperature value and described air channel.
Wherein in an embodiment, projector's air channel method of adjustment also comprises the steps: to draw optimum temperature value by analyzing this temperature variation.
Wherein in an embodiment, projector's air channel method of adjustment also comprises the steps: the optimum angle angle value drawing described catch and described air channel by analyzing this optimum temperature value.
Above-mentioned projector air channel adjust structure and method thereof, when testing spheroid top and spheroid temperature of lower, can by changing the angle of adjustment part relative to the relative air channel of Indirect method catch, position in air channel.Adjustment part instead of traditional catch pin be fixed on catch, make after the most value temperature value obtaining suitable spheroid top and spheroid bottom, measure the angle in corresponding catch relative air channel when catch is positioned at this optimum temperature value again, and then draw the ideal length value of catch pin.Known, by repeatedly repeatedly adjusting the numerical value that test can draw the length of each catch pin that spheroid top is corresponding with spheroid bottom in a test period, saving a large amount of test durations, and greatly increasing work efficiency.
Accompanying drawing explanation
Fig. 1 is applied to by one embodiment of the invention the structural representation of projector;
The structure enlarged diagram that Fig. 2 is part A shown in Fig. 1;
Fig. 3 is the structural representation rotating position shown in Fig. 1;
The inner structure schematic diagram that Fig. 4 a is air channel shown in Fig. 1;
Fig. 4 b is the syndeton schematic diagram of air channel and adjustment part;
Fig. 5 is applied to by another embodiment of the present invention the structural representation of projector;
The structure enlarged diagram that Fig. 6 is part B shown in Fig. 5;
Fig. 7 is the process flow diagram of another embodiment of the present invention projector air channel method of adjustment;
Fig. 8 is the cold flow distribution schematic diagram before the adjustment part adjustment air channel of one embodiment of the invention;
Fig. 9 is the cold flow distribution schematic diagram behind the adjustment part adjustment air channel of another embodiment of the present invention.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
It should be noted that, when element is called as " being fixed on ", " being arranged at " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.Term as used herein " vertical ", " level ", "left", "right" and similar statement just for illustrative purposes, do not represent it is unique embodiment.
See also Fig. 1 and Fig. 2, it is respectively the structure enlarged diagram of part A shown in the structural representation of the projector that one embodiment of the invention is applied and Fig. 1, and projector's air channel adjust structure is applied to the projector 100 with air channel 50, fan 60 and projection light source 70.Such as, the one end in this air channel 50 is communicated with the gas outlet of this fan 60, and the other end in this air channel 50 is communicated with the housing of this projection light source 70 accommodating, and such as, this housing is the shell of projector 100, for hiding the parts in projector 100.Such as, this projection light source 70 is high-pressure sodium lamp or LED, and such as, this projection light source is spheroid, and this spheroid is divided into spheroid top and spheroid bottom.Such as, projector air channel adjust structure comprises: catch 200 and adjustment part 300.Such as, one end of catch 200 is rotatably connected with air channel 50, and the other end of catch 200 is free end, and air channel 50 is rotatable relatively to make catch 200.Such as, adjustment part 300 is arranged on air channel 50, and one end of adjustment part 300 abuts with catch 200, and the other end of adjustment part 300 exposes to air channel 50.Adjustment part 300 part exposing to air channel 50 for user-friendly adjustment part 300, to change the position relationship of adjustment part 300.
Above-mentioned projector air channel adjust structure, when testing spheroid top and spheroid temperature of lower, can by changing the position in the relative air channel 50 of adjustment part 300, the angle in the relative air channel 50 of Indirect method catch 200.Adjustment part 300 instead of traditional catch pin be fixed on catch 200, make after the optimum temperature value obtaining suitable spheroid top and spheroid bottom, measure catch 200 again when being positioned at this optimum temperature value, measure the angle in the relative air channel 50 of catch 200, and then draw the ideal length value of catch pin.Such as, by repeatedly repeatedly adjusting the numerical value that test can draw the length of each catch pin that spheroid top is corresponding with spheroid bottom in a test period, saving a large amount of test durations, and greatly increasing work efficiency.
For the ease of the angle in the relative air channel 50 of adjustment catch 200, such as, catch 200 and the relation of air channel 50 for being rotatably connected.Such as, catch 200 one end is provided with turning axle, and air channel 50 is provided with rotating part, and turning axle coordinates with rotating part, makes turning axle can do circumference rotary motion around rotating part.Such as, rotating part is the annulus of two symmetries.Such as, turning axle is two symmetrical cylinders, and two cylinders are separately positioned on catch 200 with on two limits of one end.Such as, the internal diameter of annulus equals or slightly larger than the external diameter of cylinder, can pass this annulus to make cylinder.Such as, two annulus are arranged on the both sides bottom air channel, and washer 200 is arranged between two annulus, and two cylindrical sleeve are located on two annulus, to make relative two annulus of catch can circular-rotation.Like this, during adjustment catch 200, by controlling the other end away from the catch 200 of cylinder, conveniently can move and turning catch 200, practical.
Such as, after drawing the ideal length value of catch pin by adjustment test, also carry out secondary processing to catch 200, namely again process catch 200, increase by a catch pin, this catch pin is the catch pin of ideal length value.When catch 200 itself have one be of convenient length catch pin time, can prevent from causing the angle in catch 200 air channel 50 relatively change and affect the temperature of projection light source 70 because adjustment part 300 loosens, thus the stability of overall raising projector 100.Be particularly suitable for the user needing Long-Time Service projector 100.Such as, described catch arranges processing catch pin, and described processing catch heel is determined its length value according to adjustment test and is processed to form described catch.Preferably, described processing catch pin be provided with contact with described adjustment part abut position; Preferably, described abutting position arranges two fixed orifices, and described adjustment part correspondence arranges two retaining lugs, for strengthening abutting effect.Preferably, described catch entirety has axially symmetric structure, and two fixed orifices are tilting, and its line is crossing with the central axis of described catch and angle is acute angle, like this, can realize more firm abutting effect.
Conveniently push-and-pull adjustment part 300, such as, adjustment part 300 is provided with adjustment part, adjustment part is used for push-and-pull adjustment part 300, acting force can be applied to adjustment part 200 very easily by this adjustment part to make user, thus pulled out by the mounting hole 52 of adjustment part 200 from air channel 50, or adjustment part 200 is advanced the mounting hole 52 in air channel 50.
In order to prevent sliding in the process of push-and-pull adjustment part 200, such as, adjustment part is anti-slip rubber cover.Such as, adjustment part is provided with some tread plates, and some tread plates are arranged around described adjustment part.Like this, user can be facilitated to be pulled out by the mounting hole 52 of adjustment part 200 from air channel 50, or adjustment part 200 is advanced in the process of the mounting hole 52 in air channel 50 slide, impact adjustment result.
In order to adjust the displacement in the relative air channel 50 of adjustment part 200 accurately, such as, adjustment part 200 is provided with scale position, and this scale position is arranged on adjustment part 200 body, and this scale position is for marking the distance in the relative air channel 500 of adjustment part 200.Like this, when the mounting hole 52 of adjustment part 200 from air channel 50 pulls out by user, or adjustment part 200 is advanced in the process of mounting hole 52 in air channel 50, can observe adjustment part 200 relatively the distance in air channel 500 thus adjustment mode of operation adapt to make the dynamics of push-and-pull adjustment part 300 and its displacement, thus reach the effect more precisely adjusted.Such as, described scale position is accurate to 0.1mm.And for example, described scale position is accurate to 0.2mm.
In order to improve the adjustability of catch 200, see also Fig. 2 and Fig. 3, such as, catch 200 comprises round end 201 and free end 202.Such as, round end 201 and free end 202 one-body molded.Such as, rotation position 51 is provided with in air channel 50.Such as, rotating position 51 is draw-in groove.Such as, round end 201 is rotatably connected with rotation position 51, and free end 202 abuts with adjustment part 300.Like this, when adjustment part 300 position changes, the free end 202 abutted with it can along with rotation.So, by the position of change adjustment part 300, the position in the relative air channel 50 of free end 202 can be changed, also namely change the angle in the relative air channel 50 of catch 200, thus improve the adjustable angle in the relative air channel 50 of catch 200.
In order to improve the stability of adjustment part 300, see also Fig. 4 a and Fig. 4 b, such as, air channel 50 offers mounting hole 52.Such as, this mounting hole 52 is opened in the bottom in the air channel 50 relative with described free end 202, and this mounting hole 52, for through adjustment part 300, abuts with catch 200 to make adjustment part 300.Such as, adjustment part 300 abuts with the free end 202 of catch 200.Thus, can the angle in Indirect method catch 200 and air channel 50 by the position changing adjustment part 300.Such as, adjustment part 300 is arranged in mounting hole 52, adjustment part 300 and air channel 50 interference fit.That is, the aperture of mounting hole 52 is slightly less than the external diameter of adjustment part 300, and relatively stable after being arranged in mounting hole 52 to make adjustment part 300, namely when not having larger External Force Acting at adjustment part 300, adjustment part 300 keeps stationary state relative to air channel 50.Time under larger External Force Acting, adjustment part 300 moves less distance relative to air channel 50, thus indirectly slowly adjusts the angle of catch 200 relative to air channel 50.Such as, described less distance is 0.1 ~ 0.5mm, and this distance can be needed to control according to the adjustment realized by user.
It should be noted that, described larger external force changes according to the different of the degree of adjustment part 300 and air channel 50 interference fit.Like this, because adjustment part 300 can immobilize in air channel 50 relatively, thus adjustment optimum temperature value can be kept after user adjusts to optimum temperature value for a long time constant, namely improve the stability of adjustment part 300.
In other embodiments, in order to reach when not having larger External Force Acting at adjustment part 300, adjustment part 300 also can keep stationary state relative to air channel 50, can adopt other fit system, namely be not limited to interference fit.Such as, transition fit can be adopted.
Change the position in the relative air channel 50 of adjustment part 300 for the ease of user, see also Fig. 4 and Fig. 5, such as, adjustment part 300 is U-shaped adjusting rod, air channel 50 is outside equipped with installation position 53, and one end of adjustment part 300 is installed on installation position 53, and the other end of adjustment part 300 is arranged in mounting hole 52.Kink due to U-shaped adjusting rod exposes to air channel 50, and user can fasten the position in this kink and the relative air channel 50 of adjustable change adjustment part 300 with finger, and does not need by other instrument, convenient and swift.In other instances, adjustment part 300 can be F type adjusting rod.
In one embodiment, mounting hole 52 is provided with internal thread, and adjustment part 300 is bar-shaped, and adjustment part 300 one end is provided with external thread, and adjustment part 300 is spirally connected and is arranged on air channel 50.Such as, adjustment part 300 is also provided with handle away from externally threaded one end, and this handle can facilitate user to rotate bar-shaped adjustment part 300, thus, the position that can adjust and change the relative air channel 50 of adjustment part 300 is twisted by spiral shell, simple and practical.Be appreciated that, when user rotates adjustment part 300, adjustment part 300 is mounted opposite the change that hole 52 occurs on relative position, thus indirectly make the angle in air channel 50 relative to the catch 200 that adjustment part 300 abuts also change, and then realize the temperature variation of the spheroid in adjustment test projector, convenient and swift.
And for example, a kind of projector air channel method of adjustment, is applied to projector air channel adjust structure described in above-mentioned any embodiment; And for example, a kind of projector's air channel method of adjustment being applied to projector air channel adjust structure described in above-mentioned any embodiment.
Refer to Fig. 6, it is the process flow diagram of one embodiment of the invention projector air channel method of adjustment, such as, a kind of projector air channel method of adjustment 20, be applied to projector air channel 50 adjust structure, this method of adjustment comprises the steps: that projector 100 powers on and starts shooting and by fan 60, cold wind sent into projection light source 70 by air channel 50, and adjustment adjustment part 300 is used for the angle in Indirect method catch 200 and air channel 50 with the relative position in air channel 50.That is, adjusting adjustment part 300 with the relative position in air channel 50 is to indirectly adjust the angle of catch 200 relative to air channel 50.
Such as, described relative position is the distance that adjustment part 300 is mounted opposite hole 52 displacement.Also can be understood as, adjustment changes adjustment part 300 and moves to make adjustment part 300 be mounted opposite hole 52 and the catch 200 abutted with adjustment part 300 is also rotated along with the movement of adjustment part 300.
In order to the temperature of Real-Time Monitoring projection light source 70, such as, projector air channel method of adjustment also comprises the steps: to detect each temperature value of projection light source 70 in the described adjustment part process of adjustment by temperature measuring device.Such as, this temperature measuring device is be preset in projector inside, for the spheroid top and spheroid bottom of detecting projection light source 70 temperature and by display exhibits to user.Like this, user can grasp the spheroid top of projection light source 70 and the temperature variation of spheroid bottom in real time in the process of adjustment adjustment part 300.
Draw the spheroid top of applicable projection light source 70 and the temperature of spheroid bottom for the ease of user, such as, projector's air channel method of adjustment also comprises the steps: the angle value recording described catch corresponding to each temperature value 200 and described air channel 50.Such as, also comprise the steps: to draw optimum temperature value by analyzing this temperature variation.Such as, the optimum angle angle value drawing described catch and described air channel by analyzing this optimum temperature value is also comprised the steps:.Thus, the spheroid top of applicable projection light source 70 and the temperature of spheroid bottom can be drawn, and correspondence draws the optimum angle angle value in described catch and described air channel.
See also Fig. 7 and Fig. 8, it is the cold flow distribution schematic diagram before adjustment part 300 adjusts air channel and behind adjustment air channel, and wherein, the thickness of arrow represents the size of air quantity.As Fig. 7, when cold wind 700 flows through catch 200, be split into two strands of cold wind, be respectively the first cold wind 701 and the second cold wind 702.Such as, the first cold wind 701 blows to the spheroid top of projection light source 70, and the second cold wind 702 blows to the spheroid bottom of projection light source 70.Before adjustment part 300 adjusts air channel, obviously, the air quantity of the first cold wind 701 is much larger than the air quantity of the second cold wind 702.As shown in Figure 8, when cold wind 700 flows through catch 200, be split into two strands of cold wind, be respectively the 3rd cold wind 703 and the 4th cold wind 704.Such as, the 3rd cold wind 703 blows to the spheroid top of projection light source 70, and the 4th cold wind 704 blows to the spheroid bottom of projection light source 70.After adjustment part 300 adjusts air channel, the air quantity of known 3rd cold wind 703 and the air quantity of the 4th cold wind 704 are tending towards impartial.Be appreciated that when after testing and debugging repeatedly, can show that the cold wind after shunting flows to the spheroid top of projection light source 70 and the optimum temperature value of spheroid bottom respectively.
Now for an adjustment test process.First, projector powers on start, and namely projector starts, and fan and projection light source work, cold wind is sent to projection light source to take away the heat of projection light source by air channel by fan.Cold wind is through air channel, and cold wind is split into two strands of cold wind by catch, respectively via opposing catch two sides and flow to projection light source.Then, user can adjust the angle in the relative air channel of catch by adjustment part, thus controls the air quantity flowing to the cold wind of projection light source of two sides of opposing catch.Finally, can complete to adjust test by detecting the spheroid top of projection light source 70 and the temperature of spheroid bottom.When user needs accurate temperature value, the position and the adjustable that repeatedly change the relative air channel of adjustment part obtain best temperature value.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this instructions is recorded.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a projector air channel adjust structure, be applied to the projector with air channel, fan and projection light source, the one end in this air channel is communicated with the gas outlet of this fan, and the other end in this air channel is communicated with the housing of this projection light source accommodating, it is characterized in that,
Comprise: catch and adjustment part,
One end of described catch is used for being rotatably connected with described air channel,
Described adjustment part is for being arranged on described air channel, and one end of described adjustment part abuts with described catch, and the other end of described adjustment part exposes to described air channel.
2. projector according to claim 1 air channel adjust structure, is characterized in that, described adjustment part for being arranged in the mounting hole on described air channel, to make described adjustment part and described air channel interference fit.
3. projector according to claim 2 air channel adjust structure, it is characterized in that, described adjustment part is U-shaped adjusting rod, described adjustment part is provided with the described air channel of installation position for being arranged on, and, described adjustment part is used for one end and is installed on described installation position, and the other end is located in described mounting hole.
4. projector according to claim 1 air channel adjust structure, it is characterized in that, described catch comprises round end and free end, described catch for be arranged on be provided with rotate position described air channel in, described round end is used for being rotatably connected with described rotation position, and described free end is used for abutting with described adjustment part.
5. projector according to claim 1 air channel adjust structure, is characterized in that, described adjustment part is provided with external thread, and described adjustment part is provided with the described air channel of internal thread mounting hole for being bolted in.
6. a projector air channel method of adjustment, is applied to projector's air channel adjust structure, it is characterized in that, comprise the steps:
Described projector powers on start, by described fan, cold wind is sent into described projection light source by described air channel,
By adjusting the relative position in described adjustment part and described air channel, adjust the angle in described catch and described air channel, to regulate the air quantity of the cold wind flowing through the opposing two sides of described catch.
7. projector according to claim 6 air channel method of adjustment, is characterized in that, also comprises the steps: to detect each temperature value of projection light source in the described adjustment part process of adjustment by temperature measuring device.
8. projector according to claim 7 air channel method of adjustment, is characterized in that, also comprises the steps: the angle value recording described catch corresponding to each temperature value and described air channel.
9. projector according to claim 8 air channel method of adjustment, is characterized in that, also comprises the steps: to draw optimum temperature value by analyzing this temperature variation.
10. projector according to claim 9 air channel method of adjustment, is characterized in that, also comprises the steps: the optimum angle angle value drawing described catch and described air channel by analyzing this optimum temperature value.
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| CN110716375A (en) * | 2019-10-28 | 2020-01-21 | 屏丽科技成都有限责任公司 | A projector with a high heat dissipation screen frame |
| CN110716375B (en) * | 2019-10-28 | 2025-01-28 | 成都九天画芯科技有限公司 | Projector with screen frame having high heat dissipation capability |
| CN111075513A (en) * | 2019-11-12 | 2020-04-28 | 沈阳航空航天大学 | Fan-shaped blade cascade tester and method for changing air inlet angle of fan-shaped blade cascade |
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| CN104865780B (en) | 2017-10-10 |
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Address after: 518000, Guangdong, Longhua province Shenzhen New District big wave office, with Sheng community, Baiyun Mountain village, King Wang plant No. 3, building 1 North, 1 South District Applicant after: Yifeng display technology (Shenzhen) Co., Ltd. Address before: 518000, Guangdong, Longhua Province, Shenzhen New District, big wave street, Sheng community, Baiyun Mountain village, King plant 1, building 1, South District, 1 floor mezzanine, 2 floor, 3 north zone Applicant before: Toshin Technology (Shenzhen) Co. Ltd. |
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