CN106838830A - A kind of focus control for stage lamp - Google Patents
A kind of focus control for stage lamp Download PDFInfo
- Publication number
- CN106838830A CN106838830A CN201710191102.XA CN201710191102A CN106838830A CN 106838830 A CN106838830 A CN 106838830A CN 201710191102 A CN201710191102 A CN 201710191102A CN 106838830 A CN106838830 A CN 106838830A
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- CN
- China
- Prior art keywords
- focusing
- fixedly arranged
- plate
- guide rod
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V14/00—Controlling the distribution of the light emitted by adjustment of elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/10—Outdoor lighting
- F21W2131/105—Outdoor lighting of arenas or the like
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a kind of focus control for stage lamp, lifting power plant including heat-dissipating aluminium plate and on heat-dissipating aluminium plate, lifting power plant is fixedly arranged on heat-dissipating aluminium plate including motor fixing plate, linear step motor is fixedly arranged on motor fixing plate, two bottoms of focusing guide rod are fixedly arranged on the both sides of motor fixing plate respectively, and two tops of focusing guide rod are fixedly arranged on the both sides of limited block respectively；Two focusing guide rods are respectively arranged with a bearing；Two bearings are all fixedly arranged on focusing supporting plate, and focusing supporting plate is fixedly arranged on turret lens component support plate；Flange is fixedly arranged on focusing supporting plate；Flange is provided with internal thread, and flange is set on screw rod.Screw rod rotation in linear step motor, led in focusing guide rod and push down on flange and move up and down, and then drive focusing supporting plate and turret lens component support plate to move up and down, two focusing guide rods are linked to be an entirety with limited block, motor fixing plate, integral rigidity is strong, is not easily susceptible to the influence of external force factor.
Description
Technical field
The present invention relates to stage lamp technical field, and in particular to a kind of focus control for stage lamp.
Background technology
In the field of stage lamp, in order to obtain efficient, sharp keen, clearly lighting effects, focusing structure in light fixture
Accuracy, stability, smoothness play important effect because it can directly affect the lighting effects of light fixture, such as definition,
Brightness etc..
In the prior art, the focusing structure in light fixture：One linear step motor drives focusing with unification bar focusing guide rod
Support plate lower work, focusing guide rod is that one end is fixed on aluminium heat sink, and the other end, in case of focusing stroke is long, is adjusted without fixation
It is very long that burnt guide rod can become, and thus it is difficult to ensure that the balance at two ends, furthermore focusing guide rod is highly susceptible to external force factor
Influence, causes to deform or become inclination, causes imbalance, and this just directly affects the smoothness of focusing, accuracy with instantaneous focusing
The speed of reaction
As can be seen here, there is certain defect in prior art.
The content of the invention
In view of this, in order to solve the problems of the prior art, the present invention proposes a kind of focusing dress for stage lamp
Put.
The present invention is solved the above problems by following technological means：
A kind of focus control for stage lamp, including：Heat-dissipating aluminium plate and the lifting drive on heat-dissipating aluminium plate
Device；
The lifting power plant include linear step motor, motor fixing plate, focusing guide rod, focusing supporting plate, flange,
Limited block；
The motor fixing plate is fixedly arranged on heat-dissipating aluminium plate；
The linear step motor is fixedly arranged on motor fixing plate；
The focusing guide rod has two, and two bottoms of focusing guide rod are fixedly arranged on the both sides of motor fixing plate, two respectively
The top of focusing guide rod is fixedly arranged on the both sides of limited block respectively；
Two focusing guide rods are respectively arranged with a bearing；
Two bearings are all fixedly arranged on focusing supporting plate, that is, supporting plate of focusing is along focusing guide rod axial movement；
The focusing supporting plate is fixedly arranged on turret lens component support plate；
The flange is fixedly arranged on focusing supporting plate；
The flange is provided with internal thread, and identical with the external screw thread size of screw rod in linear step motor, and flange is set in
On screw rod.
Further, the lifting power plant has three groups, and three groups of lifting power plants are distributed on heat-dissipating aluminium plate.
Further, the bearing is clip bearing.
Further, damping plastics pad is additionally provided between the linear step motor and motor fixing plate.
Compared with prior art, beneficial effects of the present invention are as follows：
Screw rod rotation in linear step motor, leads in focusing guide rod and pushes down on flange and move up and down, and then drive focusing
Supporting plate and turret lens component support plate are moved up and down, and the bottom of two focusing guide rods is fixedly arranged on motor fixing plate respectively
Both sides, two tops of focusing guide rod are fixedly arranged on the both sides of limited block, two focusing guide rods and limited block, motor fixing plate respectively
It is linked to be an entirety, integral rigidity is very strong, can be according to focusing stroke, elongated focusing guide rod, it is not easy to by external force factor
Influence causes two focusing guide rods not parallel, can very well ensure the speed that the smoothness of focusing, accuracy are reacted with instantaneous focusing
Degree.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, below will be to that will make needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of lifting power plant in the present invention；
Fig. 3 is the explosive view of lifting power plant in the present invention.
Description of reference numerals：
1st, turret lens component support plate；2nd, heat-dissipating aluminium plate；3rd, linear step motor；4th, motor fixing plate；5 focusing are led
Bar,；6th, clip bearing；7th, focusing supporting plate；8th, limited block；9th, flange；10th, damping plastics pad；11st, lifting power plant；12、
Screw rod.
Specific embodiment
To enable the above objects, features and advantages of the present invention more obvious understandable, below in conjunction with accompanying drawing and specifically
Embodiment technical scheme is described in detail.It is pointed out that described embodiment is only this hair
Bright a part of embodiment, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art are not having
There is the every other embodiment made and being obtained under the premise of creative work, belong to the scope of protection of the invention.
It is to be appreciated that the orientation or position relationship of the instruction such as term " top ", " bottom " are based on shown in the drawings
Orientation or position relationship, are for only for ease of the description present invention and simplify and describe, rather than indicate or imply signified device or
Element with specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Term " first ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relatively important
Property or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", " second ", " the 3rd " feature can
To express or implicitly include one or more this feature.In the description of the invention, unless otherwise indicated, " one group "
It is meant that two or more.
Embodiment
As Figure 1-3, a kind of focus control for stage lamp, including：Heat-dissipating aluminium plate 2 and located at heat-dissipating aluminium plate 2
On lifting power plant 11；
The lifting power plant 11 includes linear step motor 3, motor fixing plate 4, focusing guide rod 5, focusing supporting plate
7th, flange 9, limited block 8；
The motor fixing plate 4 is fixedly arranged on heat-dissipating aluminium plate 2；
The linear step motor 3 is fixedly arranged on motor fixing plate 4；
The focusing guide rod 5 has two, and two bottoms of focusing guide rod 5 are fixedly arranged on the both sides of motor fixing plate 4, two respectively
The top of individual focusing guide rod 5 is fixedly arranged on the both sides of limited block 8 respectively；
Two focusing guide rods 5 are respectively arranged with a bearing；
Two bearings are all fixedly arranged on focusing supporting plate 7, that is, supporting plate 7 of focusing is moved axially along focusing guide rod 5；
The focusing supporting plate 7 is fixedly arranged on turret lens component support plate 1；
The flange 9 is fixedly arranged on focusing supporting plate 7；
The flange 9 is provided with internal thread, and identical with the external screw thread size of screw rod 12 in linear step motor 3,9 sets of flange
It is located on screw rod 12.
Screw rod 12 rotates in linear step motor 3, is led in focusing guide rod 5 and pushes down on flange 9 and move up and down, and then driven
Focusing supporting plate 7 and turret lens component support plate 1 are moved up and down, and the bottom of two focusing guide rods 5 is fixedly arranged on motor respectively
The both sides of fixed plate 4, two tops of focusing guide rod 5 are fixedly arranged on the both sides of limited block 8 respectively, two focusing guide rods 5 with it is spacing
Block 8, motor fixing plate 4 are linked to be an entirety, and integral rigidity is very strong, can not allowed according to focusing stroke, elongated focusing guide rod 5
It is vulnerable to the influence of external force factor, causes two focusing guide rods 5 not parallel, can very well ensures smoothness, the accuracy of focusing
With the speed of instantaneous focusing reaction.
Preferably, the lifting power plant 11 has three groups, and three groups of lifting power plants 11 are distributed in radiating
On aluminium sheet 2.Three groups of lifting power plants 11 hold up turret lens component support plate 1, turret lens component support plate 1 jointly
Lifting is more stable.
Preferably, the bearing is clip bearing 6.Clip bearing 6 is plastic linear bearing, guide rod 5 of focusing
It is metal material, metal is few with the noise that plastic friction is produced, and frictional resistance is also small, is led along focusing beneficial to focusing supporting plate 7
Bar 5 is moved axially, and clip bearing 6 also has Self-aligning characteristic, even if slightly being inclined between two focusing guide rods 5, as long as inclining
Degree can guarantee that focusing supporting plate 7, will not along the axially smooth movement of focusing guide rod 5 in the range of the Self-aligning of clip bearing 6, also
It is stuck.
Preferably, damping plastics pad 10 is additionally provided between the linear step motor 3 and motor fixing plate 4.
Damping plastics 10 cushioning effects of pad when linear step motor 3 works, damping plastics pad 10 can effectively reduce straight line stepping horse
The noise produced during up to 3 drive screw 12.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Shield scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (4)
1. a kind of focus control for stage lamp, it is characterised in that including：Heat-dissipating aluminium plate and on heat-dissipating aluminium plate
Lifting power plant；
The lifting power plant includes linear step motor, motor fixing plate, focusing guide rod, focusing supporting plate, flange, spacing
Block；
The motor fixing plate is fixedly arranged on heat-dissipating aluminium plate；
The linear step motor is fixedly arranged on motor fixing plate；
The focusing guide rod has two, and two bottoms of focusing guide rod are fixedly arranged on the both sides of motor fixing plate, two focusing respectively
The top of guide rod is fixedly arranged on the both sides of limited block respectively；
Two focusing guide rods are respectively arranged with a bearing；
Two bearings are all fixedly arranged on focusing supporting plate, that is, supporting plate of focusing is along focusing guide rod axial movement；
The focusing supporting plate is fixedly arranged on turret lens component support plate；
The flange is fixedly arranged on focusing supporting plate；
The flange is provided with internal thread, and identical with the external screw thread size of screw rod in linear step motor, and flange is set in screw rod
On.
2. the focus control for stage lamp according to claim 1, it is characterised in that the lifting power plant has
Three groups, three groups of lifting power plants are distributed on heat-dissipating aluminium plate.
3. the focus control for stage lamp according to claim 1, it is characterised in that the bearing is clip axle
Hold.
4. the focus control for stage lamp according to claim 1, it is characterised in that the linear step motor with
Damping plastics pad is additionally provided between motor fixing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191102.XA CN106838830A (en) | 2017-03-28 | 2017-03-28 | A kind of focus control for stage lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710191102.XA CN106838830A (en) | 2017-03-28 | 2017-03-28 | A kind of focus control for stage lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106838830A true CN106838830A (en) | 2017-06-13 |
Family
ID=59142439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710191102.XA Pending CN106838830A (en) | 2017-03-28 | 2017-03-28 | A kind of focus control for stage lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838830A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883345A (en) * | 2017-12-05 | 2018-04-06 | 广州达森灯光股份有限公司 | A kind of focus control of anti-light efficiency shake |
| CN108895366A (en) * | 2018-04-30 | 2018-11-27 | 中山市风华稀柠照明设计有限公司 | A kind of lamp housing automatic switchover lamps and lanterns |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205229546U (en) * | 2015-11-30 | 2016-05-11 | 广州市雅江光电设备有限公司 | Big stroke focusing motor self -adaptation mechanism |
| CN205383550U (en) * | 2016-01-27 | 2016-07-13 | 广州美睿音响器材有限公司 | Stage lamps and lanterns focusing structure |
| CN205808686U (en) * | 2016-06-13 | 2016-12-14 | 广州市雅江光电设备有限公司 | A kind of stage lighting focusing guide rod test device |
| CN206708994U (en) * | 2017-03-28 | 2017-12-05 | 广州灯王舞台设备有限公司 | A kind of focus control for stage lamp |
-
2017
- 2017-03-28 CN CN201710191102.XA patent/CN106838830A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205229546U (en) * | 2015-11-30 | 2016-05-11 | 广州市雅江光电设备有限公司 | Big stroke focusing motor self -adaptation mechanism |
| CN205383550U (en) * | 2016-01-27 | 2016-07-13 | 广州美睿音响器材有限公司 | Stage lamps and lanterns focusing structure |
| CN205808686U (en) * | 2016-06-13 | 2016-12-14 | 广州市雅江光电设备有限公司 | A kind of stage lighting focusing guide rod test device |
| CN206708994U (en) * | 2017-03-28 | 2017-12-05 | 广州灯王舞台设备有限公司 | A kind of focus control for stage lamp |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883345A (en) * | 2017-12-05 | 2018-04-06 | 广州达森灯光股份有限公司 | A kind of focus control of anti-light efficiency shake |
| CN108895366A (en) * | 2018-04-30 | 2018-11-27 | 中山市风华稀柠照明设计有限公司 | A kind of lamp housing automatic switchover lamps and lanterns |
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