CN220870692U - Laser source for detecting rotating angle of fluorescent carrier in real time and stage lamp with laser source - Google Patents
Laser source for detecting rotating angle of fluorescent carrier in real time and stage lamp with laser source Download PDFInfo
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- CN220870692U CN220870692U CN202322679584.7U CN202322679584U CN220870692U CN 220870692 U CN220870692 U CN 220870692U CN 202322679584 U CN202322679584 U CN 202322679584U CN 220870692 U CN220870692 U CN 220870692U
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- 239000000463 material Substances 0.000 claims abstract description 34
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- 230000005284 excitation Effects 0.000 claims description 48
- 230000000694 effects Effects 0.000 claims description 12
- 230000001795 light effect Effects 0.000 claims description 3
- 238000011897 real-time detection Methods 0.000 claims description 2
- 230000011218 segmentation Effects 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 abstract description 4
- 238000001514 detection method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model discloses a laser source for detecting the rotation angle of a fluorescent carrier in real time and a stage lamp with the same, wherein the laser source comprises the fluorescent carrier and a motor for driving the fluorescent carrier to rotate, the fluorescent carrier is connected with a driving shaft of the motor, at least 2 fluorescent materials are arranged on the fluorescent carrier in a segmented manner in the circumferential direction of rotation, at least 2 fluorescent materials generate stimulated lights with different wavelengths under the action of exciting light, a magnet is attached to the driving shaft, and the laser source further comprises a magnetic coding plate for detecting the magnetic field angle of the magnet. The angle of the magnetic field of the magnet arranged on the driving shaft is used for indirectly judging the angle position of the fluorescent carrier, and the duration time for irradiating each fluorescent material is determined according to the light rays required to be finally output by the laser source. For using infrared detection, the magnet and the magnetic coding plate judge the angle position of the fluorescent carrier more accurately and timely, and the magnet is arranged on the driving shaft, so that the space on the fluorescent carrier is not occupied, and the heat transfer of the fluorescent carrier is not influenced.
Description
Technical Field
The utility model relates to the technical field of stage lamps, in particular to a laser source for detecting the rotation angle of a fluorescent carrier in real time and a stage lamp with the laser source.
Background
In the prior art, the laser technology is widely applied to the fields of projection and illumination, and the fluorescent wheel is a common wavelength conversion component in a laser system and is an important part for separating and processing colors. For the illumination field, when excitation light is irradiated onto a fluorescent wheel, a fluorescent material on the fluorescent wheel absorbs the excitation light and generates excitation light having different wavelengths. However, the optical effect generated by the fluorescent wheel of most of the existing laser systems is usually fixed, that is, the fluorescent material is single, and can not realize the switching of two or more light emitting effects according to the actual situation, so that the diversified market application requirements are difficult to meet.
A few fluorescent wheels are provided with 2 different fluorescent materials, a shading area and a light transmission area are arranged on the fluorescent wheels, then an infrared emitter and an infrared receiver are used for sensing, the shading area and the light transmission area are detected, and therefore the rotation angle of the fluorescent wheels is judged, and the on-off of excitation light is further controlled to generate different excited lights. But this solution has the following drawbacks: the light shielding region and the light transmitting region may occupy a space of the fluorescent wheel and may affect heat transfer of the fluorescent wheel.
Disclosure of utility model
The utility model provides a laser source for detecting the rotation angle of a fluorescent carrier in real time, which can know the rotation angle of a fluorescent wheel in real time and is convenient for timely and quickly controlling the on-off of excitation light according to the needs.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a real-time detection fluorescence carrier rotation angle's laser source, includes fluorescence carrier and drive fluorescence carrier rotatory motor, fluorescence carrier with the drive shaft of motor is connected, just fluorescence carrier is in rotatory circumference, and the segmentation is provided with 2 at least fluorescent materials, and 2 at least fluorescent materials produce the laser of different wavelength under the effect of excitation light, be attached to the magnet on the drive shaft, the magnetic field direction perpendicular to of magnet the drive shaft still includes the magnetism coding plate that detects the magnetic field angle of magnet.
The laser source for detecting the rotating angle of the fluorescent carrier in real time indirectly judges the angle position of the fluorescent carrier through the angle of the magnetic field of the magnet arranged on the driving shaft, so that the position of the exciting light falling on the fluorescent carrier can be known in real time, and the duration time for irradiating each fluorescent material is determined according to the light rays required to be finally output by the laser source. Compared with the method for judging the angular position of the fluorescent carrier by using the infrared transmitter and the infrared receiver, the method has the advantages that the angular position of the fluorescent carrier is judged more accurately and timely by the magnet and the magnetic coding plate, and the magnet is arranged on the driving shaft, so that the space on the fluorescent carrier is not occupied, and the heat transfer of the fluorescent carrier is not influenced.
Further, the fluorescent carrier is a fluorescent wheel, and the fluorescent material is positioned on the surface of the fluorescent wheel. The excitation light is perpendicular to the fluorescent wheel and is emitted to the fluorescent material in a transmission or reflection mode by the laser.
Further, the fluorescent carrier is made of a light-transmitting material, the excitation light is emitted from one side of the fluorescent carrier, and the excitation light is emitted from the other side of the fluorescent carrier by laser.
Further, the magnet is attached to an end of the drive shaft remote from the fluorescent carrier. The space is reasonably utilized, and the magnetic coding plate is prevented from shielding excitation light or laser.
Further, the magnetic encoding plate is fixed on the body of the motor. The 2 magnets are integrally installed, so that the installation is convenient and quick, and the situation that the alignment precision of the magnetic coding plate and the magnet is insufficient can not occur.
Further, at least 2 kinds of fluorescent materials respectively generate high color temperature light and low color temperature light under the action of excitation light, or respectively generate high-display-index light and low-display-index light. Therefore, the same laser source can emit light with high color temperature or low color temperature, or the same laser source can emit light with high display index or low display index.
Further, the fluorescent material comprises at least 3 kinds, and is respectively generated into red laser receiving, green laser receiving and blue laser receiving under the action of the excitation light. Because the rotating speed of the fluorescent carrier is particularly high, the rotating speed can reach 5000-20000RPM, and the mixing proportion of the red laser, the green laser and the blue laser can be adjusted by changing the time of the excitation light to irradiate 3 fluorescent materials, so that the light color finally output by the laser source can be changed at will.
Further, the excitation light is blue light. Blue excitation light is easier to manufacture than red excitation light and green excitation light, the blue excitation light is more mature and has higher efficiency, and red excitation light=5 times blue excitation light and green excitation light=10 times blue excitation light are used for cost.
The utility model also provides a stage lamp, which comprises any laser source, an arm supporting the lamp holder to rotate and a case supporting the arm to rotate, wherein the laser source is positioned in the lamp holder, and emitted light rays are emitted from the light emitting opening of the lamp holder. The light rays of the lamp cap can be projected to any direction through the arm and the case.
Further, the LED lamp further comprises an effect component which is positioned in the lamp cap and used for intercepting the light beam to generate light effect. The effect component can make the light emitted from the laser source generate rich effects and look more gorgeous.
Drawings
Fig. 1 is a schematic view of the overall structure of a laser source according to the present utility model.
FIG. 2 is a schematic structural view of a first embodiment of a fluorescent carrier of the present utility model.
FIG. 3 is a schematic diagram of a second embodiment of a fluorescent carrier of the present utility model.
Fig. 4 is a schematic diagram of the explosive structure of the stage lamp according to the utility model.
In the figure:
100. A fluorescent carrier; 110. a fluorescent material; 200. a motor; 210. a drive shaft; 220. a body; 300. a magnet; 310. a magnetic encoding plate; 400. a laser source; 500. a lamp base; 510. a light outlet; 520. an effects component; 600. an arm; 700. and a case.
Description of the embodiments
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.
Referring to fig. 1, the present utility model provides a laser source 400 for detecting a rotation angle of a fluorescent carrier in real time, which includes a fluorescent carrier 100 and a motor 200 for driving the fluorescent carrier 100 to rotate, wherein the fluorescent carrier 100 is connected with a driving shaft 210 of the motor 200, and the fluorescent carrier 100 is provided with at least 2 fluorescent materials 110 in a segmented manner in a rotation circumferential direction, at least 2 fluorescent materials 110 generate lasers with different wavelengths under the action of excitation light, a magnet 300 is attached to the driving shaft 210, a magnetic field direction of the magnet 300 is perpendicular to the driving shaft 210, and a magnetic encoding plate 310 for detecting a magnetic field angle of the magnet 300 is further included.
The laser source 400 for detecting the rotation angle of the fluorescent carrier in real time indirectly determines the angular position of the fluorescent carrier 100 through the angle of the magnetic field of the magnet 300 disposed on the driving shaft 210, so that the position of the excitation light falling on the fluorescent carrier 100 can be known in real time, and the duration of irradiating each fluorescent material 110 can be determined according to the light required to be finally output by the laser source 400. The magnet 300 and the magnetic encoding plate 310 determine the angular position of the fluorescent carrier 100 more accurately and timely, and the magnet 300 is disposed on the driving shaft 210, so that the space on the fluorescent carrier 100 is not occupied and the heat transfer is not affected, compared to the method of using an infrared emitter and an infrared receiver to determine the angular position of the fluorescent carrier 100.
The magnetic encoder chip SC60228, by the cooperation of the magnet 300 and the magnetic encoding plate 310, can recognize the rotation angle when the maximum rotation speed reaches 20000 RPM.
In a preferred embodiment of the present utility model, the fluorescent carrier 100 is a fluorescent wheel, and the fluorescent material 110 is located on the surface of the fluorescent wheel. The excitation light is emitted to the fluorescent material 110 perpendicular to the fluorescent wheel, and is emitted by the laser in a transmission or reflection mode.
In other embodiments, the fluorescent carrier 100 may also be a roller, and the fluorescent material 110 is located on the wall of the roller.
In a preferred embodiment of the present utility model, the fluorescent carrier 100 is made of a transparent material, and the excitation light is emitted from one side thereof and is emitted from the other side thereof by the laser.
Preferably, the excitation light is emitted from a side of the fluorescent carrier 100 close to the motor 200, and the excitation light is emitted from a side of the fluorescent carrier 100 remote from the motor 200.
Preferably, the fluorescent carrier 100 may be further coated with a reflective film reflecting a specific wavelength.
In other embodiments, the fluorescent carrier 100 is a non-transmissive material, the excitation light is incident from one side thereof, and the laser light is reflected back from that side as well.
In a preferred embodiment of the present utility model, the magnet 300 is attached to an end of the driving shaft 210 remote from the fluorescent carrier 100. The space is reasonably utilized, and the magnetic encoding plate 310 is prevented from shielding the excitation light or the laser.
Preferably, a positioning groove is provided on the driving shaft 210, and the magnet 300 is adhesively fixed in the positioning groove.
In a preferred embodiment of the present utility model, the magnetic encoding plate 310 is fixed to the body 220 of the motor 200. The 2 magnets are installed as a whole, so that the installation is convenient and quick, and the situation that the alignment precision of the magnetic coding plate 310 and the magnet 300 is insufficient can not occur.
Preferably, the magnetic encoding plate 310 is fixed to the body 220 of the motor 200 by screws.
In a preferred embodiment of the present utility model, as shown in fig. 2, at least 2 kinds of fluorescent materials 110 respectively generate high color temperature light and low color temperature light, or respectively generate high-index light and low-index light under the action of excitation light. Thus, the same laser source 400 can emit light with high color temperature or low color temperature, or the same laser source 400 can emit light with high display index or low display index.
Of course, if there are more kinds of fluorescent materials 110, more levels of color temperature light or more levels of color rendering light can be generated.
In a preferred embodiment of the present utility model, as shown in fig. 1, the fluorescent material 110 includes at least 3 kinds, which are respectively generated as red-lased, green-lased and blue-lased by the excitation light. Since the rotation speed of the fluorescent carrier 100 is particularly high, it may reach 5000-20000RPM, and by changing the time period of the excitation light irradiating 3 kinds of fluorescent materials 110 in the process of rotating the fluorescent carrier 100 for one revolution, the mixing ratio of the red laser light receiving, the green laser light receiving and the blue laser light receiving is adjusted, so that the color of the light finally outputted by the laser light source 400 may be arbitrarily changed.
As shown in fig. 3, the fluorescent material 110 may optionally include at least 4 kinds of fluorescent materials, which are respectively generated as red-receiving laser light, green-receiving laser light, blue-receiving laser light, and white-receiving laser light by excitation light. Therefore, the white laser light can be directly generated without color mixing.
In a preferred embodiment of the present utility model, the excitation light is blue light. Blue excitation light is easier to manufacture than red excitation light and green excitation light, the blue excitation light is more mature and has higher efficiency, and red excitation light=5 times blue excitation light and green excitation light=10 times blue excitation light are used for cost.
As shown in fig. 4, the present utility model further provides a stage lamp, which includes any one of the laser sources 400, the laser source 400 is located in the lamp holder 500, and the emitted light is emitted from the light outlet 510 of the lamp holder 500, and further includes an arm 600 supporting the lamp holder 500 to rotate, and a chassis 700 supporting the arm 600 to rotate. The arm 600 and the chassis 700 can be used to project the light of the lamp head 500 in any direction.
In a preferred embodiment of the utility model, an effect component 520 is also included within the light head 500 for intercepting the light beam to create a light effect. The effect component 520 can create a rich effect of the light emitted from the laser source 400, which can appear more gorgeous.
Alternatively, the effects component 520 may be a CMY component, a cutter component, a color chip tray component, or a pattern tray component.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The utility model provides a real-time detection fluorescence carrier rotation angle's laser source, its characterized in that includes fluorescence carrier (100) and drive fluorescence carrier (100) rotatory motor (200), fluorescence carrier (100) with motor (200) drive shaft (210) are connected, just fluorescence carrier (100) are provided with at least 2 kinds of fluorescent material (110) on rotatory circumference in the segmentation, and at least 2 kinds of fluorescent material (110) produce the excited light of different wavelength under the effect of excitation light, be attached with magnet (300) on drive shaft (210), the magnetic field direction of magnet (300) perpendicular to drive shaft (210), still include magnetic encoding board (310) that detect the magnetic field angle of magnet (300).
2. The laser source for detecting the rotation angle of a fluorescent carrier in real time according to claim 1, wherein the fluorescent carrier (100) is a fluorescent wheel, and the fluorescent material (110) is located on a disk surface of the fluorescent wheel.
3. The laser source for detecting the rotation angle of a fluorescent carrier in real time according to claim 1, wherein the fluorescent carrier (100) is made of a transparent material, and the excitation light is emitted from one side of the fluorescent carrier and is emitted from the other side of the fluorescent carrier by the laser.
4. The laser source for detecting the rotation angle of a fluorescent carrier in real time according to claim 1, wherein the magnet (300) is attached to an end of the driving shaft (210) remote from the fluorescent carrier (100).
5. The laser source for detecting the rotation angle of a fluorescent carrier in real time according to claim 1, wherein the magnetic encoding plate (310) is fixed to the body (220) of the motor (200).
6. The laser source for detecting the rotation angle of a fluorescent carrier in real time according to claim 1, wherein at least 2 fluorescent materials (110) respectively generate high color temperature light and low color temperature light or respectively generate high-index light and low-index light under the action of excitation light.
7. The laser source for detecting the rotation angle of the fluorescent carrier in real time according to claim 1, wherein the fluorescent material (110) comprises at least 3 kinds, which are respectively generated as red-receiving laser light, green-receiving laser light and blue-receiving laser light by the excitation light.
8. The laser source for detecting the rotation angle of a fluorescent carrier in real time according to claim 1, wherein the excitation light is blue light.
9. Stage lamp comprising a laser source (400) according to any of claims 1-8, said laser source (400) being located in a lamp head (500) and emitting light rays exiting from a light outlet (510) of said lamp head (500), an arm (600) supporting the rotation of said lamp head (500) and a cabinet (700) supporting the rotation of said arm (600).
10. Stage lamp according to claim 9, further comprising an effect component (520) located within the lamp head (500) for intercepting a light beam to produce a light effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679584.7U CN220870692U (en) | 2023-09-28 | 2023-09-28 | Laser source for detecting rotating angle of fluorescent carrier in real time and stage lamp with laser source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322679584.7U CN220870692U (en) | 2023-09-28 | 2023-09-28 | Laser source for detecting rotating angle of fluorescent carrier in real time and stage lamp with laser source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220870692U true CN220870692U (en) | 2024-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322679584.7U Active CN220870692U (en) | 2023-09-28 | 2023-09-28 | Laser source for detecting rotating angle of fluorescent carrier in real time and stage lamp with laser source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220870692U (en) |
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2023
- 2023-09-28 CN CN202322679584.7U patent/CN220870692U/en active Active
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