阅读说明：本技术 色轮装置以及光源装置 (Color wheel device and light source device ) 是由 戴达炎 周浩 于 2018-05-29 设计创作，主要内容包括：本发明实施例提供了一种色轮装置及光源装置,色轮装置包括外转子、色轮盘、第一配重件以及第二配重件。色轮盘沿外转子的周向设置于外转子的外周壁。第一配重件设置于外转子的外周壁。第二配重件设置于外转子的外壁,第一配重件和第二配重件沿外转子的轴线方向间隔设置。通过第一配重件和第二配重件的设置,形成对于色轮装置转动过程中的动平衡控制装置,减小色轮装置转动过程中的径向振动和轴向振动。(The embodiment of the invention provides a color wheel device and a light source device. The color wheel disc is arranged on the outer peripheral wall of the outer rotor along the circumferential direction of the outer rotor. The first balance weight piece is arranged on the peripheral wall of the outer rotor. The second counterweight is arranged on the outer wall of the outer rotor, and the first counterweight and the second counterweight are arranged at intervals along the axis direction of the outer rotor. Through the arrangement of the first counterweight part and the second counterweight part, a dynamic balance control device in the rotating process of the color wheel device is formed, and radial vibration and axial vibration in the rotating process of the color wheel device are reduced.)

1. A color wheel apparatus, comprising:

An outer rotor;

The color wheel disc is arranged on the outer peripheral wall of the outer rotor along the circumferential direction of the outer rotor;

A first weight member provided to an outer peripheral wall of the outer rotor;

The second counterweight is arranged on the outer wall of the outer rotor, and the first counterweight and the second counterweight are arranged at intervals along the axis direction of the outer rotor.

2. The color wheel apparatus as claimed in claim 1, wherein the second weight member comprises at least one weight block embedded in an outer wall of the outer rotor.

3. The color wheel device according to claim 2, wherein the outer rotor is provided with mounting holes and/or mounting grooves, and the balancing weights are mounted in the mounting holes and/or mounting grooves in a one-to-one correspondence manner.

4. The color wheel device according to claim 3, wherein the axis of the mounting hole is parallel or perpendicular to the axis of the outer rotor, and/or the extending direction of the mounting groove is parallel or perpendicular to the axis of the outer rotor.

5. The color wheel apparatus as claimed in claim 3, wherein the mounting hole is a screw hole, and the weight member is inserted into the screw hole by a screw connection.

6. The color wheel apparatus as claimed in claim 1, wherein the second weight member includes a load disk and a second balance compensation material, the load disk is disposed on the outer circumferential wall of the outer rotor along the circumferential direction of the outer rotor, the second balance compensation material is disposed on the load disk and connected to the outer rotor, and the load disk is spaced apart from the color wheel disk.

7. The color wheel apparatus of claim 6 wherein the diameter of the load disk is smaller than the diameter of the color wheel disk.

8. The color wheel apparatus as claimed in any of claims 1 to 5, wherein the second weight member is disposed at an end of the first weight member away from or close to the driving apparatus of the color wheel apparatus.

9. The color wheel device according to any of claims 1-5, wherein the distance between the first weight member and the second weight member in the axial direction of the outer rotor is not less than 3 mm.

10. A light source device, characterized in that the light source device comprises: the color wheel apparatus of any of claims 1-9 and an excitation light source for providing illumination light to the color wheel apparatus.

Technical Field

The invention relates to the technical field of projection, in particular to a color wheel device and a light source device.

Background

At present, the biggest breakthrough of the projection technology is the application of a laser light source, and compared with the traditional light source, the laser light source has obvious advantages. In a laser projection device, a fluorescent color wheel is excited with excitation light generated by a laser light source to produce a sequence of colored light. In DLP laser fluorescent display, depending on the rotational speed of the color wheel to meet the frequency requirement of color development, the rotational speed of the color wheel which is most widely applied in the market at present is 7200rpm (120Hz), and under this condition, the rainbow effect (sometimes called color separation image error, which is the instantaneous flicker of a strip color looking like a rainbow, randomly appears, and lasts for only a moment) on the screen is relatively serious, and for people who are sensitive to the rainbow, the phenomenon can cause people to be very happy when watching the screen, and if a movie or a television program is put into the whole body, the rainbow effect can completely destroy the appreciation experience.

solving the "rainbow effect" can be reduced by increasing the rotation speed of the color wheel, for example, by increasing the rotation speed of the color wheel to 14400rpm (240Hz), the rainbow effect is hardly recognized by human eyes, and 240Hz is also required for the high display resolution chip requirement of DLP.

However, when the color wheel structure reaches 240HZ, the color wheel will vibrate greatly, and the noise of the final product exceeds the standard, which is not favorable for the use experience.

disclosure of Invention

The invention aims to provide a color wheel device and a light source device, so as to reduce the vibration phenomenon of the color wheel device in the high-speed rotation process and further improve the use experience.

The embodiment of the invention is realized by the following steps:

As one aspect of the present invention, the present invention provides a color wheel device, including: the outer rotor, look rim plate, first counterweight and second counterweight. The color wheel disc is arranged on the outer peripheral wall of the outer rotor along the circumferential direction of the outer rotor. The first balance weight piece is arranged on the peripheral wall of the outer rotor. The second counterweight is arranged on the outer wall of the outer rotor, and the first counterweight and the second counterweight are arranged at intervals along the axis direction of the outer rotor.

In some embodiments of the present invention, the second weight member includes at least two weights, and the at least two weights are uniformly distributed along a circumferential direction of the outer rotor.

In some embodiments of the present invention, the outer rotor is provided with mounting holes and/or mounting grooves, and the balancing weights are correspondingly mounted in the mounting holes and/or mounting grooves.

In some embodiments of the present invention, an axis of the mounting hole is parallel to or perpendicular to an axis of the outer rotor, and/or an extending direction of the mounting groove is parallel to or perpendicular to an axis of the outer rotor.

In some embodiments of the present invention, the mounting hole is a screw hole, and the weight member is embedded into the screw hole in a threaded manner.

In some embodiments of the present invention, the second weight member includes a load disk and a second balance compensation material, the load disk is disposed on the outer circumferential wall of the outer rotor along the circumferential direction of the outer rotor, the second balance compensation material is connected to the load disk and connected to the outer rotor, and the load disk is disposed at an interval from the color wheel disk.

in some embodiments of the invention, the diameter of the load disk is smaller than the diameter of the color wheel disk.

In some embodiments of the present invention, the second weight member is disposed at an end of the first weight member away from or close to the driving device of the color wheel device.

in some embodiments of the invention, the distance between the first counterweight member and the second counterweight member along the axial direction of the outer rotor is more than or equal to 3 mm.

as an aspect of the present invention, the present invention further provides a light source device, including the color wheel device and an excitation light source, where the excitation light source is configured to provide irradiation light to the color wheel device.

According to the color wheel device or the light source device provided by the embodiment of the invention, the dynamic balance control device in the rotating process of the color wheel device is formed through the arrangement of the first counterweight part and the second counterweight part, and the radial vibration and the axial vibration in the rotating process of the color wheel device are reduced.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the embodiments of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a color wheel device according to a first embodiment of the present invention;

Fig. 2 is a schematic structural diagram of a color wheel device according to a second embodiment of the present invention;

Fig. 3 is a schematic structural diagram of a color wheel device according to a third embodiment of the present invention;

Fig. 4 is a top view of an embodiment of a color wheel apparatus provided in a third embodiment of the present invention;

Fig. 5 is a top view of an embodiment of a color wheel apparatus provided in a third embodiment of the present invention;

Fig. 6 is a schematic structural diagram of a color wheel device according to a fourth embodiment of the present invention;

Fig. 7 is a schematic structural diagram of a color wheel device according to a fifth embodiment of the present invention;

Fig. 8 is a schematic structural diagram of a color wheel device according to a sixth embodiment of the present invention.

Reference numerals: 100-a color wheel device; 101-a drive device; 110-an outer rotor; 111-mounting holes; 112-mounting grooves; 120-color wheel; 121-a first counterweight; 122-first balance compensation material; 130a, 130 b-a second weight; 131-a load disk; 132-second equilibrium compensation material, 133-counterweight; 133 a-first weight; 133 b-a second weight; 133 c-third counterweight.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "front", "back", "vertical", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in when used, and are only used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "connected," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

First embodiment

Referring to fig. 1, the present embodiment provides a color wheel device 100, where the color wheel device 100 includes a driving device 101, an outer rotor 110, a color wheel disc 120, a first weight member 121, and a second weight member 130 a. The driving device 101 is integrally assembled with the outer rotor 110 and located at one end of the outer rotor 110 in the axial direction, the color wheel disc 120 has different colors and is fixed to the outer rotor 110, and the different colors continuously stimulate visual organs during the rotation of the outer rotor 110, i.e. an additive mixing effect is generated.

Specifically, the outer rotor 110 has a cylindrical structure, and the color wheel disc 120 is disposed on the outer peripheral wall of the outer rotor 110 along the circumferential direction of the axis of the outer rotor, in this embodiment, the color wheel disc 120 is disposed at one end of the outer rotor 110 close to the driving device 101 and adjacent to the driving device 101. In some embodiments, the color wheel disk 120 may be secured to the outer rotor 110 in a variety of ways, including but not limited to snap-fit, adhesive, and the like.

The axis of the outer rotor 110 refers to the rotational axis of the outer rotor 110. The outer peripheral wall 110 of the outer rotor means: the circumferential wall of the outer rotor 110 in the circumferential direction of rotation is a cylindrical annular curved surface. The outer wall of the outer rotor 110 refers to an outer surface of the outer rotor 110, and includes an outer peripheral wall of the outer rotor 110 and an end surface of the outer rotor 110 away from the driving device.

The first weight member 121 is configured to reduce or eliminate radial vibration of the outer rotor 110 during rotation, in this embodiment, the first weight member 121 includes a first balance compensation material 122, the first balance compensation material 122 is disposed on an outer peripheral wall of the outer rotor 110 and connected to the color wheel disc 120, the first balance compensation material 122 is disposed in a ring shape along a circumferential direction of the outer rotor 110, and the first balance compensation material 122 is disposed on a side of the color wheel disc 120 away from the driving device 101.

It is understood that the first balance-compensating materials 122 may be disposed at intervals in the circumferential direction of the outer rotor 110, i.e., not connected to form a ring shape. Preferably, when the first balance-compensating materials 122 are arranged at intervals, the first balance-compensating materials are preferably arranged in a manner of being uniformly arranged along the axis of the outer rotor 110, for example: when the first balance compensation material 122 is formed by at least 2 parts at intervals, at least two parts are arranged along the axis of the outer rotor 110 in an axisymmetric and/or centrosymmetric manner, so that the stress of the outer rotor 110 in each direction is uniform. It will be appreciated that the first balancing compensator 122 need not be uniformly or symmetrically disposed, for example, in some embodiments, the first balancing compensator 122 is disposed only at a point on the color wheel disk 120 and connected to the outer rotor 110.

In some embodiments, the first weight member 121 may also take other configurations, such as: the first weight member 121 is directly provided in the outer peripheral wall of the outer rotor 110 in the form of a screw, a stud, or the like, and is directly connected by a thread or embedded.

it should be understood that the first balance compensation material 122 is not limited to being disposed on only a side of the color wheel 120 away from the driver 101. In some embodiments, the first balancing compensation material 122 is disposed on a side of the color wheel 120 near the driver 101, and in some embodiments, the first balancing compensation material 122 is disposed on both a side of the color wheel 120 near the driver 101 and a side of the color wheel 120 away from the driver 101.

The first balance compensation material 122 is made of, but not limited to, metal, high temperature resistant glue, polymer resin, other adhesives, and the like, and can be fixed with the outer rotor 110 and the color wheel disc 120 by means of integral molding, glue dispensing, and the like.

In this embodiment, the second weight 130a includes a load disk 131 and a second balance compensating material 132, wherein the load disk 131 is disposed on the outer circumferential wall of the outer rotor 110 along the circumferential direction of the outer rotor 110 to form a ring shape, and the second balance compensating material 132 is connected to the load disk 131 and connected to the outer rotor 110. The second balance compensator 132 reduces or eliminates axial vibration of the outer rotor 110 during rotation of the outer rotor 110. The second balance compensation material 132 is disposed on a side of the load disk 131 away from the color wheel disk 120, i.e., on a side of the load disk 131 away from the drive device 101.

The first balance compensation material 122 is spaced apart from the load disk 131, and the load disk 131 may be fixed to the outer rotor 110 by welding, clamping, or the like, or may be directly formed integrally with the outer rotor 110.

It is understood that the second balance-compensating materials 132 may be disposed at intervals along the circumferential direction of the outer rotor 110, i.e., not annularly connected. Preferably, when the second balance compensators 132 are disposed at intervals, the second balance compensators are disposed in a manner of being uniformly arranged along the axis of the outer rotor 110, for example: when the second balance compensation material 132 is formed by at least 2 parts at intervals, at least two parts are arranged along the axis of the outer rotor 110 in an axisymmetric and/or centrosymmetric manner, so that the stress of the outer rotor 110 in each direction is uniform. It will be appreciated that the second balancing compensation material 132 does not have to be uniformly or symmetrically disposed, for example, in some embodiments, the second balancing compensation material 132 is disposed at only one point of the load plate 130 and connected to the outer rotor 110.

It should be understood that the second balance compensation material 132 is not limited to be disposed on only one side of the load pan 131 away from the driving device 101. In some embodiments, the second balancing compensation material 132 is disposed on the side of the load disk 131 close to the color wheel disk 120, and in some embodiments, the second balancing compensation material 132 is disposed on both the side of the load disk 131 close to the color wheel disk 120 and the side of the load disk 131 away from the color wheel disk 120.

The second balance compensation material 132 includes, but is not limited to, metal, refractory glue, polymer resin, etc., and may be integrally formed with the outer rotor 110 and the load disk 131.

In this embodiment, the diameter of the load disk 131 is smaller than the diameter of the color wheel disk 120, for example: the color wheel disk 120 has a diameter of phi 75mm and the load disk 131 has a diameter of phi 32 mm.

The first and second balance weights 121 and 130a form two adjustment planes for dynamically balancing the outer rotor 110, and the two adjustment planes are substantially parallel to each other, and a distance between the two adjustment planes is determined according to a specific size of the color wheel disc 120, wherein the distance between the two adjustment planes is a distance between the first and second balance weights 121 and 130a along an axial direction of the outer rotor 110. In some embodiments, the spacing between the two adjustment planes is greater than or equal to 3 mm. When the color wheel disc 120 is enlarged, the distance between the load disc 131 and the color wheel disc 120 may be appropriately shortened, specifically, in this embodiment, the load disc 131 and the color wheel disc 120 are arranged at an interval, the load disc 131 and the color wheel disc 120 are in a substantially parallel state, and the interval distance between the load disc 131 and the color wheel disc 120 is greater than or equal to 3 mm.

The color wheel apparatus 100 provided in this embodiment forms a dynamic balance control device by the first weight member 121 and the second weight member 130a, so as to solve the problem of axial vibration and radial vibration of the color wheel apparatus 100 during high-speed rotation (e.g., rotation at 14400 Hz), and avoid a "rainbow effect" generated when the color wheel apparatus 100 operates at low speed.

The dynamic balance device provided in this embodiment can also be applied to other external rotor motors, and in this case, a dynamic balance control device is provided on the external rotor 110 of the external rotor motor, wherein: the first weight member 121 of the dynamic balance control device is provided to the outer circumferential wall of the outer rotor 110 in the circumferential direction of the outer rotor 110. The second weight members 130a are disposed at the outer circumferential wall of the outer rotor 110 along the circumferential direction of the outer rotor 110, wherein the first weight members 121 and the second weight members 130a are disposed at intervals along the axial direction of the outer rotor 110 and are used to adjust the radial balance and the axial balance of the outer rotor 110, respectively, to reduce or eliminate the radial vibration and the axial vibration of the outer rotor 110.

Based on the color wheel device, the present embodiment further provides a light source device (not shown), which includes the color wheel device 100 and an excitation light source (not shown), where the excitation light source provides irradiation light for the color wheel device 100, and the excitation light source may be a gas discharge light source, a laser light source, or an LED light source. The light source device eliminates radial vibration and axial vibration in the rotation process of the color wheel device 100 due to the adoption of the color wheel device 100, so that the color wheel device 100 can run at a high rotating speed of 14000rpm for example, and the rainbow effect is eliminated.

Second embodiment

The present embodiment provides a color wheel device 100, which has substantially the same structure as the color wheel device 100 in the first embodiment, except that the relative positions of the color wheel disk 120, the first weight member 121, the second weight member 130a and the driving device 101 are different in this embodiment, and the rest of the structure may refer to the first embodiment.

Specifically, referring to fig. 2, in the present embodiment, the color wheel disc 120 is disposed on a side of the second counterweight 130a away from the driving device 101, meanwhile, the first balance compensation material 122 is disposed on the outer circumferential wall of the outer rotor 110 along the circumferential direction of the outer rotor 110 and connected to the color wheel disc 120, and the first balance compensation material 122 is located on a side of the color wheel disc 120 away from the load disc 131.

The second weight 130a includes a load disc 131 and a second balance compensation material 132, the second weight 130a is located between the first weight 121 and the driving device 101, wherein the load disc 131 is substantially parallel to the color wheel disc 120, the load disc 131 is disposed on the outer circumferential wall of the outer rotor 110 along the circumferential direction of the outer rotor 110 and is located at one end of the outer rotor 110 close to the driving device 101, the second balance compensation material 132 is disposed on the load disc 131 and is connected to the outer circumferential wall of the outer rotor 110, and the second balance compensation material 132 is located on one side of the load disc 131 far from the driving device 101.

The first balance compensation material 122 is spaced apart from the load disk 131, and the load disk 131 may be fixed to the outer rotor 110 by welding, clamping, or the like, or may be directly formed integrally with the outer rotor 110.

In this embodiment, the second weight 130a formed by the load disk 131 and the second balance compensator 132 is used to eliminate the axial vibration of the outer rotor 110 during the rotation of the outer rotor 110, control the dynamic balance of the outer rotor 110 in the axial direction, and reduce the noise. Meanwhile, the first balance compensator 122 is used to eliminate radial vibration of the outer rotor 110 during rotation of the outer rotor 110, and to control dynamic balance of the outer rotor 110 in the radial direction.

Third embodiment

referring to fig. 3, the color wheel device 100 includes an outer rotor 110, a color wheel disc 120, a first weight member 121, and a second weight member 130 b. The first weight member 121 and the color wheel disk 120 are configured and arranged in the same manner as the first embodiment, except that the second weight member 130b is configured differently.

specifically, in the present embodiment, the second weight member 130b includes two weight blocks 133, which are a first weight block 133a and a second weight block 133b, respectively, and the two weight blocks 133 are disposed on the outer wall of the outer rotor and are symmetrically disposed along the axial direction of the outer rotor 110.

Referring to fig. 3, in the embodiment, two mounting holes 111 are disposed on an end surface of the outer rotor 110 away from the driving device 101, and both the two mounting holes 111 are blind holes. The axes of the mounting holes 111 are arranged in the direction of the rotational axis of the outer rotor 110, while the two mounting holes 111 are symmetrically arranged along the rotational axis of the outer rotor 110. The first balance weight blocks 133a and the second balance weight blocks 133b are embedded in the two mounting holes 111 in a one-to-one correspondence manner. The first weight block 133a and the second weight block 133b are made of metal or high temperature resistant glue, and in this embodiment, are made of metal material.

in some embodiments, the mounting holes 111 may be in the form of round holes, strip-shaped holes, rectangular holes, or the like. In this embodiment, the mounting hole 111 is a circular hole.

In some embodiments, the mounting hole 111 may be provided in the form of a screw hole, that is, the mounting hole 111 is provided with an internal thread, and the weight 133 is provided with an external thread matching with the internal thread of the mounting hole 111 (for example, the weight 133 is directly screwed), so that the weight 133 can be screwed into the mounting hole 111, and the depth of the weight 133 inserted into the mounting hole 111 can be adjusted as needed.

In some embodiments, the weight 133 may not be fully embedded within the mounting hole 111, i.e.: a portion of the weight 133 is inserted into the mounting hole 111 by a screw connection, and the other portion extends out of the mounting hole 111 and is exposed to the outer rotor 110. By adjusting the depth of the screw insertion, the proportion of the portion of the weight 133 protruding out of the mounting hole 111 can be adjusted. The weight 133 may be screws with different lengths, and the screws with different lengths are inserted into the mounting holes 111 to adjust the balance.

the second weight 130b in this embodiment is directly embedded in the outer rotor 110, so that the size of the color wheel apparatus 100 can be reduced, the space during application can be saved, and the axial vibration can be eliminated during the high-speed rotation of the outer rotor 110, thereby reducing noise.

In some embodiments, the second weight member 130b may include three or more weight blocks 133, and referring to fig. 4, as an example, when the number of the weight blocks 133 is three or more, a plurality of weight blocks 133 are disposed in a form uniformly distributed in the axial direction of the outer rotor 110.

In some embodiments, the outer rotor 110 may not be provided with the mounting hole 111 on the end surface away from the driving device 101, referring to fig. 5, as an example, the outer rotor 110 is provided with a mounting groove 112, the mounting groove 112 penetrates through the end surface of the outer rotor 110 away from the driving device 101 and is opened on the outer circumferential wall of the outer rotor 110, and the weight block 133 is embedded in the mounting groove 112. The extending direction of the mounting groove 112 may be along the axial direction of the outer rotor 110, along the radial direction of the outer rotor 110, or any other direction. Meanwhile, the mounting groove 112 may be a rectangular groove, a dovetail groove, or the like. When the rotor is installed, the load in each direction of the outer rotor 110 may be kept.

The various embodiments described above may be combined with each other and selected according to actual use.

The color wheel apparatus 100 provided in this embodiment may eliminate the axial vibration of the outer rotor 110 during the rotation process by means of the second weight member 130b, and the radial vibration of the outer rotor 110 during the rotation process by means of the first weight member 121, so as to adapt to the usage requirement of high-speed rotation and overcome the "rainbow effect".

Fourth embodiment

The present embodiment provides a color wheel device 100, and the color wheel device 100 is different from the third embodiment in that the installation position of the installation hole 111 is different, and the rest of the structure is the same as the third embodiment.

Specifically, referring to fig. 6, in the present embodiment, two mounting holes 111 are provided in the outer circumferential wall of the outer rotor 110, and the axial direction of the two mounting holes 111 is perpendicular to the axial direction of the outer rotor 110, that is, in the radial direction of the outer rotor 110. Similarly, the two mounting holes 111 are symmetrically arranged in the axial direction of the outer rotor 110. The second weight member 130b includes a first weight block 133a and a second weight block 133b, and the two weight blocks 133 are respectively embedded in the two mounting holes 111.

The color wheel apparatus 100 provided in this embodiment may eliminate the axial vibration of the outer rotor 110 during the rotation process by means of the second weight member 130b, and the radial vibration of the outer rotor 110 during the rotation process by means of the first weight member 121, so as to adapt to the usage requirement of high-speed rotation and overcome the "rainbow effect".

Fifth embodiment

The present embodiment provides a color wheel device 100, and the difference between the color wheel device 100 and the second embodiment is that the structure and the arrangement manner of the second weight 130b are different, and the rest of the structure is the same as the second embodiment.

Specifically, referring to fig. 7, in the present embodiment, the second weight member 130b includes two weight blocks 133, namely a first weight block 133a and a second weight block 133b, and the two weight blocks 133 are uniformly distributed along the circumferential direction of the outer rotor 110, that is, symmetrically arranged along the axial direction of the outer rotor 110.

The outer peripheral wall of the outer rotor 110 is provided with two mounting holes 111, the axes of the two mounting holes 111 are perpendicular to the axial direction of the outer rotor 110, and the first balancing weight 133a and the second balancing weight 133b are respectively and correspondingly embedded in the two mounting holes 111.

The color wheel device 100 provided in this embodiment may eliminate the axial vibration of the outer rotor 110 during the rotation process by means of the second weight member, and the radial vibration of the outer rotor 110 during the rotation process by means of the first weight member 121, so that the color wheel device may adapt to the usage requirement of high-speed rotation, and overcome the "rainbow effect".

Sixth embodiment

In this embodiment, referring to fig. 8, the second counterweight 130b includes a counterweight (hereinafter referred to as a third counterweight 133c), an outer wall of the outer rotor 110 is provided with a mounting hole 111, an axis of the mounting hole 111 is parallel to a rotation axis of the outer rotor 110, and the third counterweight 133c is formed by a high temperature resistant glue and is embedded in the mounting hole 111.

As a variation of this embodiment, in some embodiments, the second weight 130b may increase the number of the weight blocks as needed, and may be disposed at any position of the outer wall of the outer rotor 110 during the disposing process, and the specific disposing position may be selected as needed.

The high temperature resistant glue is obtained from a commercial product.

The color wheel device 100 provided by this embodiment may also eliminate the axial vibration of the outer rotor 110 during the rotation process by means of the second weight member, and the radial vibration of the outer rotor 110 during the rotation process by means of the first weight member 121, so that the color wheel device may adapt to the usage requirement of high-speed rotation, and overcome the "rainbow effect".

It should be understood that the various embodiments in the above embodiments may be combined with each other and all applied to the light source device and the projection apparatus, and those skilled in the art may adapt to various factors such as the use requirement, the size of the installation space, and the like.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.