CN103543591B - Swinging light bulb base and there is the projector of this light bulb base - Google Patents

Swinging light bulb base and there is the projector of this light bulb base Download PDF

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Publication number
CN103543591B
CN103543591B CN201310521020.9A CN201310521020A CN103543591B CN 103543591 B CN103543591 B CN 103543591B CN 201310521020 A CN201310521020 A CN 201310521020A CN 103543591 B CN103543591 B CN 103543591B
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CN
China
Prior art keywords
described
bulb
rotating group
connecting portion
light bulb
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CN201310521020.9A
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Chinese (zh)
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CN103543591A (en
Inventor
梁志强
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芜湖市安曼特微显示科技有限公司
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Priority to CN201310521020.9A priority Critical patent/CN103543591B/en
Publication of CN103543591A publication Critical patent/CN103543591A/en
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Publication of CN103543591B publication Critical patent/CN103543591B/en

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Abstract

The invention provides a kind of swinging light bulb base, comprise erection support, turret, in order to the bulb fixed cover of bulb mounting and radiator fan and drive unit, turret is located on erection support; Bulb fixed cover is fixedly arranged on turret, and forms in rotating the rotating group be located on erection support fit with turret; Drive unit is connected to rotating group zoarium, rotates in order to drive rotating group zoarium.When needing to change the projecting direction of bulb, as long as by the driving of drive unit, fit 360 degree of rotating group just can be made to rotate arbitrarily, thus drive bulb goes to required angle position; Simultaneously, because bulb is for being fixed on bulb fixed cover, then radiator fan bulb fixed cover installed and the setting position of bulb for immobilizing, like this, even if changing the projecting direction of bulb, radiator fan also can make the place of bulb thermal self-restraint stress and minimum point rationally dispel the heat.The present invention also provides the projector with this swinging light bulb base.

Description

Swinging light bulb base and there is the projector of this light bulb base

Technical field

The present invention relates to the technical field of projector, particularly relate to and be a kind ofly applied to the swinging light bulb base of projector and there is the projector of this light bulb base.

Background technology

Projector common at present uses high-pressure sodium lamp mostly, and the serviceable life of high-pressure sodium lamp is 2000-3000 hour, meets general work requirements.But use when current projector is only supported in upright and furred ceiling, if change this two states, the serviceable life of high-pressure sodium lamp will decline rapidly, may be no more than 200 hours.This is because when projector rotates, the thermal self-restraint stress of high-pressure sodium lamp inside and minimum point are all the time in top and the bottom of photosphere, if change this two states, cold wind in order to cool the cooling fan of high-pressure sodium lamp reasonably can not blow to thermal self-restraint stress and the minimum point of high-pressure sodium lamp, so that the entirety of high-pressure sodium lamp can not Homogeneouslly-radiating, greatly affects its serviceable life; If situation is serious, also can there is the phenomenon of fried lamp in high-pressure sodium lamp, endanger the safe handling of user undoubtedly because heat accumulation is too high.

Therefore, be necessary to provide a kind of technological means to address the aforementioned drawbacks.

Summary of the invention

The object of the invention is to the defect overcoming prior art, a kind of swinging light bulb base relatively rotating bulb be provided, with solve in prior art rotate bulb after bulb is difficult to Homogeneouslly-radiating, serviceable life reduces and easily occur the problem of fried lamp phenomenon; Meanwhile, a kind of projector with this light bulb base is also provided.

The present invention is achieved in that a kind of swinging light bulb base, comprises erection support, turret, in order to the bulb fixed cover of bulb mounting and radiator fan and drive unit, turret is located on described erection support; Bulb fixed cover is fixedly arranged on described turret, and forms in rotating the rotating group be located on described erection support fit with described turret; It is fit that drive unit is connected to described rotating group, rotates in order to drive described rotating group zoarium.

Particularly, described erection support is equipped with the first connecting portion in order to be flexibly connected with the first end of described rotating group zoarium and the second connecting portion in order to be flexibly connected with the second end of described rotating group zoarium, and described first connecting portion and described second connecting portion are that interval is located on described erection support.

Further, described first connecting portion is provided with a spliced eye, the first end of described rotating group zoarium is provided with the grafting axle be flexibly connected with described spliced eye, and the first end of described rotating group zoarium is flexibly connected with described spliced eye by described grafting axle and is flexibly connected with described first connecting portion.

Particularly, described second connecting portion is provided with a ring groove, second end ring of described rotating group zoarium is provided with the annular flange flange be flexibly connected with described ring groove, and the second end of described rotating group zoarium is flexibly connected with described ring groove by described annular flange flange and is flexibly connected with described second connecting portion.

Further, described ring groove includes the first half circle groove of being fixedly arranged on described second connecting portion and to be oppositely arranged with described first half circle groove and in dismantling the second half circle groove be connected.

Particularly, described drive unit is located on described first connecting portion, and this drive unit is connected with described rotating group zoarium by a gear train.

Further, described drive unit is a motor, and described gear train comprises the driving gear of the output shaft being sheathed on described motor and engages with described driving gear and be fixedly arranged on the follower gear on the first end of described rotating group zoarium.

Particularly, described bulb fixed cover comprises and is located at its outer end in order to install the heat radiation erecting frame of radiator fan.

Further, described bulb mounting cup comprises the bulb back cover be fixedly connected with described turret and the bulb front shroud being removably connected to described bulb back cover;

Described heat radiation erecting frame is located at the outer end of described bulb back cover.

The present invention also provides a kind of projector, has above-mentioned swinging light bulb base.

Technique effect of the present invention is: when needing to change the projecting direction of bulb, as long as by the driving of drive unit, fit 360 degree of rotating group just can be made to rotate arbitrarily, thus drive bulb goes to required angle position; Simultaneously, because bulb is for being fixed on bulb fixed cover, the radiator fan then bulb fixed cover installed and the setting position of bulb are for immobilizing, like this, even if changing the projecting direction of bulb, radiator fan also can make the place of bulb thermal self-restraint stress and minimum point rationally dispel the heat, and has both improved the serviceable life of bulb, reduces again the probability that fried lamp phenomenon occurs because dispelling the heat inequality bulb.

Accompanying drawing explanation

Fig. 1 is the stereographic map of the swinging light bulb base of the embodiment of the present invention;

Fig. 2 is the explosive view of the swinging light bulb base of the embodiment of the present invention;

Fig. 3 is the stereographic map of the erection support of the swinging light bulb base of the embodiment of the present invention.

Embodiment

In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.

Refer to shown in Fig. 1, the invention provides a kind of swinging light bulb base 10, be mainly the field being applied in projector, it comprises erection support 20, turret 31, in order to the bulb fixed cover 32 of bulb mounting and radiator fan and drive unit 40, and the concrete structure of each parts is:

Turret 31 is located on erection support 20.

Bulb fixed cover 32 is fixedly arranged on turret 31, and forms in rotating the rotating group zoarium 30 be located on erection support 20 with turret 31.Wherein, turret 31 is positioned at the first end of rotating group zoarium 30; bulb fixed cover 32 is positioned at the second end of rotating group zoarium 30, but the enforcement of this case is not as limit, as bulb fixed cover 32 is located at the inside of turret 31 to form the protection domain that rotating group zoarium 30 also belongs to this case.

Drive unit 40 is connected to rotating group zoarium 30, rotates in order to drive rotating group fit 30.

When needing the projecting direction changing bulb, as long as pass through the driving of drive unit 40, just can make the fit 30 comprehensive 360 degree of rotations arbitrarily of rotating group, the direction of arrow as Fig. 1 is rotated, certainly also can rotate according to the reverse direction of arrow, thus drive bulb to go to required angle position; Simultaneously, because bulb is for being fixed on bulb fixed cover 32, the radiator fan then bulb fixed cover 32 installed and the setting position of bulb are for immobilizing, like this, even if changing the projecting direction of bulb, radiator fan also can make the place of bulb thermal self-restraint stress and minimum point rationally dispel the heat, and has both improved the serviceable life of bulb, reduces again the probability that fried lamp phenomenon occurs because dispelling the heat inequality bulb.

Refer to shown in Fig. 3, erection support 20 is equipped with the first connecting portion 21 in order to be flexibly connected with the first end of rotating group zoarium 30 and the second connecting portion 22 in order to be flexibly connected with the second end of rotating group zoarium 30, first connecting portion 21 and the second connecting portion 22 are located on erection support 20 in interval, particularly, first connecting portion 21 is flexibly connected with turret 31, and the second connecting portion 22 is flexibly connected with bulb fixed cover, so, by the setting of the first connecting portion 21 and the second connecting portion 22, add the power drive of drive unit 40, just rotating group fit 30 can be impelled to realize effectively rotating.

Further, first connecting portion 21 is provided with a spliced eye 210, the first end of rotating group zoarium 30 is provided with the grafting axle 310 be flexibly connected with spliced eye 210, be specially, one end of turret 31 is provided with grafting axle 310, whereby, the first end of rotating group zoarium 30 is flexibly connected with spliced eye 210 by grafting axle 310 and is flexibly connected with the first connecting portion 210.By being flexibly connected of grafting axle 310 and spliced eye 210, achieve the first end of rotating group zoarium 30 and being flexibly connected of the first connecting portion 21 simply and effectively.

Refer to shown in Fig. 2 and Fig. 3, second connecting portion 22 is provided with a ring groove 220, second end ring of rotating group zoarium 30 is provided with the annular flange flange 320 be flexibly connected with ring groove 220, be specially, one end ring of bulb fixed cover 32 is convex annular flange flange 320, whereby, the second end of rotating group zoarium 30 is flexibly connected with ring groove 220 by annular flange flange 320 and is flexibly connected with the second connecting portion 22.Wherein, by being flexibly connected of annular flange flange 320 and ring groove 220, not only achieving the second end of rotating group zoarium 30 and being flexibly connected of the second connecting portion 22 simply and effectively, and the projection of bulb can not be affected.

For the ease of assembling, ring groove 220 includes the first half circle groove 221 of being fixedly arranged on the second connecting portion 22 and to be oppositely arranged with the first half circle groove 221 and in dismantling the second half circle groove 222 be connected.And when assembling, as long as first turret 31 and bulb fixed cover are formed rotating group zoarium 30, then, the grafting axle 310 on turret 31 is made to insert the spliced eye 210 of the first connecting portion 21, after complete, again the part of the annular flange flange 320 on bulb fixed cover 32 is placed in the first half circle groove 221 of the second connecting portion 22, afterwards, the second half circle groove 222 is made to cover another part of annular flange flange 320 and be connected and fixed with the first half circle groove 221 again, now, rotating group fit 30 just can be made to rotate be located on erection support 20.

Refer to shown in Fig. 1 and Fig. 2, drive unit 40 is located on the first connecting portion 21, and this drive unit 40 is connected with rotating group fit 30 by a gear train 50.

As shown in Figure 2, further, drive unit 40 is a motor, wherein, the motor that this case adopts is the motor of forward and reverse rotation, and gear train 50 comprises the driving gear 51 of the output shaft being sheathed on motor and engages with driving gear 51 and be fixedly arranged on the follower gear 52 on the first end of rotating group zoarium 30, particularly, follower gear 52 is fixedly arranged on turret 31, and this grafting axle 310 is for being located on the end face of follower gear 52.So, when motor drives, its power exported can drive follower gear 52 by driving gear 51, then drives rotating group fit 30 to rotate by follower gear 52, reaches with this object that drive unit 40 drives rotating group zoarium 30.

Shown in Fig. 2, bulb fixed cover 32 comprises is located at its outer end in order to install the heat radiation erecting frame 323 of radiator fan, and by heat radiation erecting frame 323, facilitates the installation of radiator fan.

Further, bulb mounting cup 32 comprises the bulb back cover 321 be fixedly connected with turret 31 and the bulb front shroud 322 being removably connected to bulb back cover 321, and during bulb mounting, ensure that bulb back cover 321 and bulb front shroud 322 are in released state, then, bulb is placed in bulb back cover 321, and then mounted lens and so on, after complete, as long as bulb front shroud 322 and bulb back cover 321 are connected and fixed, just the installation of bulb can be completed, whole simple to operation.Preferably, the erecting frame 323 that dispels the heat is located at the outer end of bulb back cover 321.

The present invention also provides a kind of projector, has above-mentioned swinging light bulb base 10.

Below in conjunction with diagram, the principle of work of swinging light bulb base 10 of the present invention is further described:

When needing the projecting direction changing bulb, motor is first made to drive, the direction of arrow as Fig. 1 is rotated, its power exported can drive follower gear 52 by driving gear 51, turret 31 is driven to rotate by follower gear 52 again, and turret 31 drives bulb fixed cover 32 to rotate, thus the bulb be placed in bulb fixed cover 32 is rotated, meanwhile, the radiator fan that bulb fixed cover 32 is installed also is followed bulb fixed cover 32 and is rotated, and the setting position of itself and bulb remains unchanged, like this, even if changing the projecting direction of bulb, radiator fan also can make the place of bulb thermal self-restraint stress and minimum point rationally dispel the heat, ensure serviceable life and the security of bulb.And after bulb is projected to desired location, the driving work of motor can be stopped, to make rotating group zoarium 30 stop operating, then make bulb fix its projecting direction.

Make bulb project back the old place if want, because motor is the motor with forward and reverse rotating function, as long as press motor rotate backward function key, the reverse direction as the direction of arrow of Fig. 1 rotates, and its operating process is above-mentioned the same, is not described further herein.

The foregoing is only preferred embodiment of the present invention, its structure is not limited to the above-mentioned shape enumerated, and all any amendments done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. a swinging light bulb base, is characterized in that, comprising:
Erection support;
Turret, is located on described erection support;
In order to the bulb fixed cover of bulb mounting and radiator fan, be fixedly arranged on described turret, and form in rotating the rotating group zoarium be located on described erection support with described turret; And
In order to the drive unit driving described rotating group zoarium to rotate, be connected to described rotating group fit.
2. swinging light bulb base as claimed in claim 1, it is characterized in that: described erection support is equipped with the first connecting portion in order to be flexibly connected with the first end of described rotating group zoarium and the second connecting portion in order to be flexibly connected with the second end of described rotating group zoarium, described first connecting portion and described second connecting portion are that interval is located on described erection support.
3. swinging light bulb base as claimed in claim 2, it is characterized in that: described first connecting portion is provided with a spliced eye, the first end of described rotating group zoarium is provided with the grafting axle be flexibly connected with described spliced eye, and the first end of described rotating group zoarium is flexibly connected with described spliced eye by described grafting axle and is flexibly connected with described first connecting portion.
4. swinging light bulb base as claimed in claim 2 or claim 3, it is characterized in that: described second connecting portion is provided with a ring groove, second end ring of described rotating group zoarium is provided with the annular flange flange be flexibly connected with described ring groove, and the second end of described rotating group zoarium is flexibly connected with described ring groove by described annular flange flange and is flexibly connected with described second connecting portion.
5. swinging light bulb base as claimed in claim 4, is characterized in that: described ring groove includes the first half circle groove of being fixedly arranged on described second connecting portion and to be oppositely arranged with described first half circle groove and in dismantling the second half circle groove be connected.
6. swinging light bulb base as claimed in claim 2, is characterized in that: described drive unit is located on described first connecting portion, and this drive unit is connected with described rotating group zoarium by a gear train.
7. swinging light bulb base as claimed in claim 6, it is characterized in that: described drive unit is a motor, described gear train comprises the driving gear of the output shaft being sheathed on described motor and engages with described driving gear and be fixedly arranged on the follower gear on the first end of described rotating group zoarium.
8. swinging light bulb base as claimed in claim 1, is characterized in that: described bulb fixed cover comprises is located at its outer end in order to install the heat radiation erecting frame of radiator fan.
9. swinging light bulb base as claimed in claim 8, is characterized in that: described bulb mounting cup comprises the bulb back cover be fixedly connected with described turret and the bulb front shroud being removably connected to described bulb back cover;
Described heat radiation erecting frame is located at the outer end of described bulb back cover.
10. a projector, is characterized in that: have the swinging light bulb base described in any one of claim 1-9.
CN201310521020.9A 2013-10-28 2013-10-28 Swinging light bulb base and there is the projector of this light bulb base CN103543591B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201310521020.9A CN103543591B (en) 2013-10-28 2013-10-28 Swinging light bulb base and there is the projector of this light bulb base

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310521020.9A CN103543591B (en) 2013-10-28 2013-10-28 Swinging light bulb base and there is the projector of this light bulb base

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CN103543591A CN103543591A (en) 2014-01-29
CN103543591B true CN103543591B (en) 2016-01-27

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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203630500U (en) * 2013-10-28 2014-06-04 芜湖市安曼特微显示科技有限公司 Revolving type bulb pedestal and projector with bulb pedestal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB186835A (en) * 1921-10-07 1922-10-12 Herbert Henry Berry Improvements relating to incandescent electric lamps and fans
DE69726556T2 (en) * 1996-10-04 2004-11-04 Seiko Epson Corp. Projection display device
JP3995685B2 (en) * 2004-12-24 2007-10-24 三洋電機株式会社 Projection display device
JP2007087732A (en) * 2005-09-21 2007-04-05 Sony Corp Light source device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203630500U (en) * 2013-10-28 2014-06-04 芜湖市安曼特微显示科技有限公司 Revolving type bulb pedestal and projector with bulb pedestal

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