CN204374584U - The cooling system of projection arrangement - Google Patents
The cooling system of projection arrangement Download PDFInfo
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- CN204374584U CN204374584U CN201520040133.1U CN201520040133U CN204374584U CN 204374584 U CN204374584 U CN 204374584U CN 201520040133 U CN201520040133 U CN 201520040133U CN 204374584 U CN204374584 U CN 204374584U
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- baffle plate
- air
- cooling system
- housing
- temperature
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Abstract
The utility model provides the cooling system of projection arrangement, arranges at least one mobilizable baffle plate in the air channel in the housing of described projection arrangement, and wherein, described air channel is formed from the air inlet being located at described housing to air outlet; Gather the temperature in described housing; Described temperature is compared with predetermined threshold value, carrys out baffle plate described in automatic movable to increase according to comparative result or reduce the air quantity in described air channel, thus realize the object maintaining temperature constant in housing; The utility model directly need not improve the size of air quantity by adjustment rotation speed of the fan, plays the function of dustproof filter, also can the function of noise reduction, thus reduces the maintenance times to board, and dismounting is more convenient.Can also prevent other people from causing unnecessary injury because directly touching electric fan simultaneously.
Description
Technical field
The utility model relates to projection art, particularly relates to a kind of cooling system of projection arrangement.
Background technology
In general similar-type products, realized the change of air force by the rotating speed of the fan of adjustment.When the temperature of board inside raises, the size increasing air quantity can only be realized by the rotating speed improving fan, finally make more heat drive outside body by wind, realize the effect of cooling.Accordingly after the temperature of board inside declines, reduce air quantity by the rotating speed reducing fan.Although regulate temperature more convenient by automatically controlling rotation speed of the fan, in use, when rotation speed of the fan improves, the noise that fan produces also can improve accordingly.
Summary of the invention
The shortcoming of prior art in view of the above, the purpose of this utility model is the cooling system providing a kind of projection arrangement, solve in prior art by regulate rotation speed of the fan regulate temperature cause the problem of such as noise.
For realizing above-mentioned target and other related objectives, the utility model provides a kind of cooling system of projection arrangement, comprising: air inlet and air outlet, is located at the housing of described projection arrangement, to form the air channel from described air inlet to air outlet in described housing; At least one mobilizable baffle plate, is located in described air channel; Motor, connects described baffle plate, for providing power for the activity of described baffle plate; Temperature sensor, is converted into temperature signal for the temperature that gathers in described housing; Comparer, is electrically connected described temperature sensor and motor, for the value of described temperature signal being compared with predetermined threshold value, according to comparative result sending controling instruction to described motor, increasing or reduce the air quantity in described air channel with the described baffle plate of activity.
Optionally, the activity of described baffle plate comprises: translation and one or more combinations in rotating.
Optionally, described baffle plate is located at described air inlet, and its activity is to increase or to reduce the incoming air area of described air inlet; Or described baffle plate is located at described air outlet place, its activity is to increase or to reduce the air-out area in air port, described place.
Optionally, described baffle plate has multiple, is located at a bearing part movably respectively; Described bearing part is provided with the hollow out coordinated with each described baffle plate respectively.
Optionally, fan is provided with in described air channel.
For realizing above-mentioned target and other related objectives, the utility model provides a kind of projection arrangement, comprises the cooling system of above-mentioned any one.
As mentioned above, the utility model provides the cooling system of projection arrangement, arranges at least one mobilizable baffle plate in the air channel in the housing of described projection arrangement, and wherein, described air channel is formed from the air inlet being located at described housing to air outlet; Gather the temperature in described housing; Described temperature is compared with predetermined threshold value, carrys out baffle plate described in automatic movable to increase according to comparative result or reduce the air quantity in described air channel, thus realize the object maintaining temperature constant in housing; The utility model directly need not improve the size of air quantity by adjustment rotation speed of the fan, plays the function of dustproof filter, also can the function of noise reduction, thus reduces the maintenance times to board, and dismounting is more convenient.Can also prevent other people from causing unnecessary injury because directly touching electric fan simultaneously.
Accompanying drawing explanation
Fig. 1 a to Fig. 1 b is shown as the structural representation of cooling system in the utility model one embodiment.
Fig. 2 a to Fig. 2 b is shown as the structural representation of cooling system in the another embodiment of the utility model.
Fig. 3 a to Fig. 3 b is shown as the structural representation of cooling system in the another embodiment of the utility model.
Fig. 4 a to Fig. 4 b is shown as the structural representation of cooling system in the another embodiment of the utility model.
Element numbers explanation
The housing of 1 projection arrangement
11 air inlets
12 air outlets
2 fans
3,3', 3 ", 3 " ' baffle plate
4,4' loading plate
41,41' hollow out
Embodiment
Below by way of specific instantiation, embodiment of the present utility model is described, those skilled in the art the content disclosed by this instructions can understand other advantages of the present utility model and effect easily.The utility model can also be implemented or be applied by embodiments different in addition, and the every details in this instructions also can based on different viewpoints and application, carries out various modification or change not deviating under spirit of the present utility model.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
The utility model provides a kind of cooling system of projection arrangement, and it can according to temperature auto-control air quantity.
In one embodiment, as shown in Figure 1a, described projection arrangement comprises housing 1 and internal electronic element (due to existing, simplify and not shown), and described cooling system comprises:
Be located at air inlet 11 and the air outlet 12 of the housing 1 of described projection arrangement, to form the air channel from described air inlet 11 to air outlet 12 in described housing 1, in one embodiment, described air channel and gas channel, preferably, in described air channel, fan 2 can be set, the gas in air channel is driven to flow by the mode of such as bleeding or blowing, certainly, in other embodiments, also can realize air-flow guiding by frame mode, not be limited with fan; Airflow direction can such as shown in shown by arrow.
At least one mobilizable baffle plate 3, is located in described air channel, can increase or reduce the air quantity in described air channel when it is movable; Concrete, described baffle plate 3 is located at described air inlet 11 place, and its activity is to increase or to reduce the incoming air area of described air inlet 11; Or in other embodiments, described baffle plate 3 also can be located at described air outlet 12 place, its activity is to increase or to reduce the air-out area in air port, described place 1.
Motor (not shown), to be located in housing 1 and to connect described baffle plate 3, for providing power for the activity of described baffle plate 3.In one embodiment, described motor can be micromachine.
Temperature sensor (not shown), is converted into temperature signal for the temperature that gathers in described housing 1.In one embodiment, described temperature sensor can be divided into contact and contactless two large classes by metering system, thermal resistance and thermopair two class is divided into according to sensor material and electron component characteristic, described temperature sensor both can be located at shell inner surface, also can be located in housing on such as circuit board, maybe can be located at that certain electronic component is first-class all can.
Comparer (not shown), be electrically connected described temperature sensor and motor, for the value of described temperature signal is compared with predetermined threshold value, according to comparative result sending controling instruction to described motor, increase with the described baffle plate of activity 3 or reduce the air quantity in described air channel.Because comparator circuit itself is comparatively common, circuit that its principle i.e. such as analog voltage signal compares with reference voltage signal (electric current also can), those skilled in the art should be realized in conjunction with prior art according to teaching of the present utility model, therefore do not repeat further.
Specifically the activity of described baffle plate 3 comprises: translation and one or more combinations in rotating.
In one embodiment, be adopt the mode around axis rotation, see also Fig. 1 a and Fig. 1 b, time initial and when temperature is relatively low (such as lower than predetermined threshold value), as shown in Figure 1a; And when comparer compare find temperature sensor the temperature gathered in housing 1 be greater than predetermined threshold value, namely in such as projection arrangement, electronic device temperature is overheated, exceed its normal working temperature, such as 90 degrees Celsius ~ 100 degrees Celsius etc., now need to add Wind Volume, then comparer sends the steering order of such as voltage or current signal form to motor according to comparative result, rotated by motor and make described baffle plate 3 by such as clockwise or rotate counterclockwise, the area that baffle plate 3 blocks air intake vent air-flow is fewer and feweri; Until as shown in Figure 1 b, baffle plate 3 is changed to horizontal direction, and the area blocking air intake vent is minimum, and the air quantity now in air channel is maximum.
Preferably, the rotation direction of the baffle plate 3 at two place's air intake vent 11 places is contrary, can to two place's air intake vents 11 center section do close or away from rotation, namely the baffle plate 3 of top rotates clockwise, the baffle plate 3 of downside rotates counterclockwise, and is conducive to like this concentrating the air-flow to fan 12 direction; Certainly not as limit.
Further, if temperature step-down afterwards, without the need to so large air quantity, then baffle plate 3 can be changed by the state of the state of Fig. 1 b to Fig. 1 a, to reduce air quantity; So complete the dynamic change of air quantity with temperature; Although only for the example of a predetermined threshold value in the utility model embodiment, threshold value can difference arrange multiple by size, thus it is movable to realize Discrete control baffle plate 3, realizes the object of gradual change ground fine adjustment air quantity.
In another embodiment, described baffle plate also can be that translation mode carries out activity, as shown in Figure 2 a, baffle plate 3' such as can carry out activity at diagram above-below direction, when it covers air intake vent 11 completely, in air channel, air quantity is minimum, and it departs from air intake vent more than 11, and air quantity is larger; Two baffle plate 3' in Fig. 2 a can mutually away from, namely the baffle plate 3' of top moves up, and following baffle plate moves down, and does not hide air intake vent completely when air quantity is maximum, now namely as shown in Figure 2 b, if temperature declines without the need to Wind Volume afterwards, can change from Fig. 2 b to Fig. 2 a state.
It should be noted that, above-mentioned air intake vent 11 can have multiple, and the quantity of baffle plate also can be multiple; Further, the quantity of described baffle plate can with air intake vent 11 one_to_one corresponding, also can be multiple corresponding one.
Below namely illustrate that the structure of the corresponding multiple baffle plate of an air intake vent realizes with several embodiment:
Described multiple baffle plate is located at a bearing part respectively movably, and described bearing part such as can be located at air intake vent or air outlet place; Described bearing part is provided with the hollow out coordinated with each described baffle plate respectively; Described activity such as rotating or translation, is rotated by such as hinged realization, and translation coordinates the realizations such as screw by slide rail, slideway or elongated hole.
In one embodiment, as shown in Figure 3 a " and form acute angle between bearing part 4, now the air intake at air intake vent 11 place is subject to baffle plate 3 and " block more, therefore in air channel, air quantity is less for, under the state that temperature is lower, the baffle plate 3 on described bearing part 4; And when in housing 1, temperature uprises, baffle plate 3 " turns to gradually as shown in Figure 3 b; baffle plate 3 " and forms right angle between bearing part 4, now baffle plate 3 " block minimum to the air intake of air intake vent 11, the air intake of air intake vent 11 is blown into from hollow out 41 on bearing part 4 and can not receives stop; Afterwards, if temperature declines in housing 1, then baffle plate 3 " can change to state activity shown in Fig. 3 a.
It should be noted that, preferably, if there are illustrated at least two place's air intake vents 11, and, described baffle plate 3 " activity for rotating time, preferably, the baffle plate 3 at two place's air intake vent 11 places " rotation direction be contrary, namely be as shown in Figure 3 a all to the center section of two place's air intake vents 11 do close or away from rotation, be conducive to the concentrated air-flow that passes from hollow out 41 bearing part 4 and the fan 12 that arrives like this; Certainly not as limit.
Certainly, the activity of described baffle plate also can be translation mode; See following embodiment:
As shown in fig. 4 a, under the lower state of temperature, baffle plate 3 on described bearing part 4' " ' can hollow out 41' on covering part bearing part 4'; therefore lower by the air quantity of hollow out 41'; when the temperature is high, baffle plate 3 " ' carry out translation away from its hollow out 41' hidden, thus increase air quantity, until as shown in Figure 4 b, baffle plate 3 " ' air quantity is maximum when not hiding hollow out 41' completely; Afterwards, if temperature declines in housing 1, then baffle plate 3 " ' can change to state activity shown in Fig. 4 a.
In conjunction with said system, the utility model provides a kind of projection arrangement, comprises above-mentioned cooling system.
In sum, the utility model provides the cooling system of projection arrangement, arranges at least one mobilizable baffle plate in the air channel in the housing of described projection arrangement, and wherein, described air channel is formed from the air inlet being located at described housing to air outlet; Gather the temperature in described housing; Described temperature is compared with predetermined threshold value, carrys out baffle plate described in automatic movable to increase according to comparative result or reduce the air quantity in described air channel, thus realize the object maintaining temperature constant in housing; The utility model directly need not improve the size of air quantity by adjustment rotation speed of the fan, plays the function of dustproof filter, also can the function of noise reduction, thus reduces the maintenance times to board, and dismounting is more convenient.Can also prevent other people from causing unnecessary injury because directly touching electric fan simultaneously.
Above-described embodiment is illustrative principle of the present utility model and effect thereof only, but not for limiting the utility model.Any person skilled in the art scholar all without prejudice under spirit of the present utility model and category, can modify above-described embodiment or changes.Therefore, such as have in art and usually know that the knowledgeable modifies or changes not departing from all equivalences completed under the spirit and technological thought that the utility model discloses, must be contained by claim of the present utility model.
Claims (6)
1. a cooling system for projection arrangement, is characterized in that, comprising:
Air inlet and air outlet, be located at the housing of described projection arrangement, to form the air channel from described air inlet to air outlet in described housing;
At least one mobilizable baffle plate, is located in described air channel;
Motor, connects described baffle plate, for providing power for the activity of described baffle plate;
Temperature sensor, is converted into temperature signal for the temperature that gathers in described housing;
Comparer, is electrically connected described temperature sensor and motor, for the value of described temperature signal being compared with predetermined threshold value, according to comparative result sending controling instruction to described motor, increasing or reduce the air quantity in described air channel with the described baffle plate of activity.
2. cooling system according to claim 1, is characterized in that, the activity of described baffle plate comprises: translation and one or more combinations in rotating.
3. cooling system according to claim 2, is characterized in that, described baffle plate is located at described air inlet, and its activity is to increase or to reduce the incoming air area of described air inlet; Or described baffle plate is located at described air outlet place, its activity is to increase or to reduce the air-out area in air port, described place.
4. cooling system according to claim 3, is characterized in that, described baffle plate has multiple, is located at a bearing part movably respectively; Described bearing part is provided with the hollow out coordinated with each described baffle plate respectively.
5. cooling system according to claim 1, is characterized in that, is provided with fan in described air channel.
6. a projection arrangement, comprises the cooling system according to any one of claim 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040133.1U CN204374584U (en) | 2015-01-20 | 2015-01-20 | The cooling system of projection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520040133.1U CN204374584U (en) | 2015-01-20 | 2015-01-20 | The cooling system of projection arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204374584U true CN204374584U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520040133.1U Active CN204374584U (en) | 2015-01-20 | 2015-01-20 | The cooling system of projection arrangement |
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| CN (1) | CN204374584U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570565A (en) * | 2015-01-20 | 2015-04-29 | 无锡视美乐激光显示科技有限公司 | Cooling system and method of projector |
| CN108091284A (en) * | 2016-11-20 | 2018-05-29 | 天津嘉美易科科技发展有限公司 | A kind of special projection advertisement lamp of conference service |
| CN108135114A (en) * | 2017-12-28 | 2018-06-08 | 瑞斯康达科技发展股份有限公司 | A kind of communication equipment cooling system and method |
| CN112055514A (en) * | 2020-09-07 | 2020-12-08 | 上海电气集团股份有限公司 | Uniform heat dissipation system |
| CN112351637A (en) * | 2019-08-09 | 2021-02-09 | 株洲中车时代电气股份有限公司 | Converter with heat dissipation noise elimination wind channel |
-
2015
- 2015-01-20 CN CN201520040133.1U patent/CN204374584U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104570565A (en) * | 2015-01-20 | 2015-04-29 | 无锡视美乐激光显示科技有限公司 | Cooling system and method of projector |
| CN108091284A (en) * | 2016-11-20 | 2018-05-29 | 天津嘉美易科科技发展有限公司 | A kind of special projection advertisement lamp of conference service |
| CN108135114A (en) * | 2017-12-28 | 2018-06-08 | 瑞斯康达科技发展股份有限公司 | A kind of communication equipment cooling system and method |
| CN112351637A (en) * | 2019-08-09 | 2021-02-09 | 株洲中车时代电气股份有限公司 | Converter with heat dissipation noise elimination wind channel |
| CN112351637B (en) * | 2019-08-09 | 2022-04-22 | 株洲中车时代电气股份有限公司 | Converter with heat dissipation noise elimination wind channel |
| CN112055514A (en) * | 2020-09-07 | 2020-12-08 | 上海电气集团股份有限公司 | Uniform heat dissipation system |
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| GR01 | Patent grant |