Rotary transmission device for multi-medium collimator

Abstract

The utility model relates to a rotary transmission device for a multi-medium collimator, belongs to the technical field of rotary transmission, and solves the technical problem that when signals and power are transmitted simultaneously, a power channel is required to be rearranged on the outer side for transmitting the power, the diameter or length of a product is greatly increased, and the transmission cannot be realized in some special environments. The multi-medium collimator rotation transmission device comprises a first collimator, a second collimator, a prism, a cooling assembly, a rotation assembly and a housing assembly. The first collimator and the second collimator are both parallel to the rotation axis, and the second collimator surrounds the periphery of the first collimator. According to the utility model, the rotary transmission of various media such as signals and power can be realized without increasing the diameter or length of the device, and the use under specific conditions is met.

Description

Technical Field

[0001] The utility model relates to the technical field of rotation transmission, in particular to a multi-medium collimator rotation transmission device. Background Art

[0002] At present, the multi-channel optical fiber rotary transmission devices on the market mainly use communication collimators to transmit signal media such as data signals and high-definition video, and cannot realize the rotary transmission of power media. When it is necessary to transmit power media at the same time, it is necessary to rearrange the power channel on the outside to transmit power, but adding power channels will greatly increase the diameter or length of the product, resulting in the inability to achieve transmission in some special environments. Utility Model Content

[0003] In view of the above analysis, an embodiment of the utility model aims to provide a multi-medium collimator rotating transmission device to solve the technical problem that when transmitting signals and power simultaneously, it is necessary to rearrange the power channel on the outside specifically for transmitting power, which greatly increases the diameter or length of the product and makes it impossible to achieve transmission under certain special environments.

[0004] The purpose of this utility model is mainly achieved through the following technical solutions:

[0005] A multi-medium collimator rotation transmission device comprises a first collimator, a second collimator, a prism, a cooling assembly, a rotation assembly and a shell assembly; the rotation assembly comprises a rotation axis; the first collimator is used to transmit a power medium, and the second collimator is used to transmit a communication signal medium; the first collimator and the second collimator are both parallel to the rotation axis, and the second collimator surrounds the outer circumference of the first collimator; the first collimator and the second collimator both comprise a rotation section and a fixed section, the prism is located between the rotation section and the fixed section, and the rotation section and the prism can both rotate around the rotation axis.

[0006] Furthermore, both ends of the transmission device are provided with air circuit interfaces, the air circuit interfaces include an air circuit inlet and an air circuit outlet, one end of the air circuit interface is connected to the space around the prism, and the other end is connected to an external air compressor.

[0007] Furthermore, the rotating assembly also includes a collimator seat and a prism seat, and one end of the collimator seat is rotatably connected to one end of the prism seat.

[0008] Furthermore, the rotating assembly also includes a first gear, a second gear and a pin shaft, and the first gear and the second gear are both fixedly connected to the pin shaft.

[0009] Furthermore, the collimator seat is meshed with the first gear, the prism seat is meshed with the second gear, and the rotation reduction ratio of the collimator seat and the prism seat is 2:1.

[0010] Furthermore, the rotating section is fixed on the collimator seat, and the prism is fixed in the cavity of the prism seat.

[0011] Furthermore, the housing assembly includes a shell, and the fixed section is fixed on the shell and corresponds to the position of the rotating section.

[0012] Furthermore, the first collimator is a single channel, and the center line of the first collimator coincides with the rotation axis.

[0013] Furthermore, the first collimator is multi-channel and is evenly arranged around the rotation axis.

[0014] Furthermore, the second collimator has four channels or six channels.

[0015] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects:

[0016] (1) The multi-medium collimator rotation transmission device of the utility model, by arranging the second collimator around the first collimator, effectively avoids the defect of rearranging the power channel on the outside specifically for power transmission, which results in a significant increase in the diameter or length of the device after adding the power channel. It realizes the rotation transmission of multiple media of signals and power through the same prism, which meets the requirements for use in specific situations.

[0017] (2) The multi-medium collimator rotation transmission device of the present invention can prevent heat caused by excessive loss during rotation by arranging the first collimator at the center of the rotation axis, thereby ensuring that the collimator rotation transmission device works at a rated temperature.

[0018] (3) In the multi-medium collimator rotation transmission device of the present invention, since both the first collimator and the second collimator perform light transmission, the device as a whole is not affected by electromagnetic interference.

[0019] In the present invention, the above-mentioned technical solutions can also be combined with each other to achieve more preferred combination solutions. Other features and advantages of the present invention will be described in the following content, and some advantages can be obvious from the description or understood by implementing the present invention. The purpose and other advantages of the present invention can be achieved and obtained through the contents specifically pointed out in the text and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are only used for the purpose of illustrating specific embodiments and are not to be considered as limiting the present invention. In the entire drawings, the same reference symbols represent the same components.

[0021] Figure 1 It is a schematic cross-sectional structural diagram of a multi-medium collimator rotation transmission device of a specific embodiment;

[0022] Figure 2 It is a schematic side view of the structure of a multi-medium collimator rotation transmission device of a specific embodiment;

[0023] Figure 3 It is a partial side view structural schematic diagram of a specific embodiment;

[0024] Figure 4 It is a schematic diagram of the principle of the multi-medium collimator rotation transmission device of the utility model.

[0025] Reference numerals:

[0026] 1-first collimator; 11-first collimator rotating section; 12-first collimator fixed section; 2-second collimator; 21 second collimator rotating section; 22-second collimator fixed section; 3-prism; 4-rotation assembly; 41-collimator seat; 42-prism seat; 43-first gear; 44-second gear; 45-pin shaft; 46-rotation axis; 5-housing assembly; 51-housing; 52-cover plate; 6-gas path interface; 61-gas path inlet; 62-gas path outlet; 7-bearing; 71-first bearing; 72-second bearing; 73-third bearing; 74-fourth bearing; 8-washer;

[0027] 100 - first transmission track; 200 - second transmission track; 300 - first rotation direction; 400 - second rotation direction; 500 - gas circuit. DETAILED DESCRIPTION

[0028] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings, wherein the accompanying drawings constitute a part of the present invention and are used together with the embodiments of the present invention to illustrate the principles of the present invention, but are not used to limit the scope of the present invention.

[0029] A specific embodiment of the utility model is as follows Figure 1 and Figure 2 As shown, this embodiment provides a multi-medium collimator rotation transmission device, including a first collimator 1, a second collimator 2, a prism 3, a rotation assembly 4, a housing assembly 5 and a cooling assembly.

[0030] It should be noted that optical fiber rotation transmission through a prism belongs to the prior art and does not fall within the protection scope of the present utility model, and will not be described in detail here.

[0031] Specifically, the housing assembly 5 includes a housing 51 and a cover plate 52 . The housing 51 is a cylindrical housing with one end open, and the cover plate 52 is installed at the open end of the housing 51 .

[0032] The rotating assembly 4 includes a collimator seat 41, a prism seat 42 and a bearing 7. One end of the collimator seat 41 and one end of the prism seat 42 are nested and connected through a first bearing 71, so that the rotatable collimator seat 41 and the prism seat 42 can rotate around the rotation axis respectively; the collimator seat 41 is inserted into the cover plate 52, and a second bearing 72 is provided between the collimator seat 41 and the cover plate 52, so that the collimator seat 41 can rotate on the cover plate 52; the outer periphery of the prism seat 42 is sleeved with a third bearing 73 and a fourth bearing 74, the outer rings of the third bearing 73 and the fourth bearing 74 are fixed on the inner wall of the shell 51, and a gasket 8 is provided between one end of the fourth bearing 74 and the bottom surface of the shell 51, so that the shell assembly 5 and the rotating assembly 4 are accurately and tightly installed to keep the rotation axis stable when the prism seat 42 rotates.

[0033] The rotating assembly 4 further includes a first gear 43 and a second gear 44, the centers of which are fixedly connected to a pin 45, and the pin 45 is fixed to the housing assembly 5. The outer peripheries of the collimator seat 41 and the prism seat 42 are provided with convex teeth respectively meshing with the first gear 43 and the second gear 44; when the collimator seat 41 rotates, the first gear 43 can be driven to rotate, and the first gear 43 drives the second gear 44 to rotate through the pin 45, so that the second gear 44 drives the prism seat 52 to rotate, and the rotation reduction ratio is 2:1.

[0034] The first collimator 1 is a single-channel power collimator for transmitting power medium. The axis of the first collimator 1 coincides with the rotation axis 46. The first collimator 1 includes a first collimator rotating section 11 and a first collimator fixed section 12. The first collimator rotating section 11 is fixed on the collimator seat 41, and the first collimator fixed section 12 is fixed on the housing 51.

[0035] The second collimator 2 is a communication collimator for transmitting a communication signal medium. The second collimator 2 is parallel to the first collimator 1 and is arranged on the cylindrical surface of the outer periphery of the first collimator 1. Optionally, the second collimator 2 is a four-way communication collimator, which is evenly arranged around the outer cylindrical surface of the first collimator 1. The second collimator 2 also includes a second collimator rotating section 21 and a second collimator fixed section 22. The second collimator rotating section 21 is fixed on the collimator seat 41. According to the requirements of rotation transmission, the second collimator fixed section 22 is fixed to the corresponding position of the housing 51.

[0036] like Figure 2 and Figure 3As shown, the cooling component adopts an air cooling component. The cooling component is provided with air path interfaces 6 at both ends of the rotating transmission device. One end of the air path interface 6 is connected to the cavity in the prism seat 42, and the other end is connected to the external air compressor. The air path interfaces 6 at both ends of the device include an air path inlet 61 and an air path outlet 62, so that a circulation flow between the external air and the air around the prism 3 is formed at both ends of the device, so as to cool the heat energy generated during the transmission process to ensure that the temperature of the rotating transmission device is maintained within the working range.

[0037] like Figure 3 As shown, optionally, the number of first collimators 1 can be set to multiple according to the power size required to be transmitted; the number of first collimators 1 can also be adjusted according to the size of data required to be transmitted; similarly, various combinations of the number of first collimators 1 and second collimators 2 can be made according to the order of power transmission and the order of data transmission to meet the requirements of the number of collimator channels of various powers.

[0038] It should be noted that the positions of the first collimator 1 and the second collimator need to be arranged reasonably, and the diameter of the prism and the diameter of related parts need to be adjusted.

[0039] The principle of the collimator rotation transmission device of this embodiment is as follows: Figure 4 As shown, C is the power medium transmitted by the first collimator 1, arranged at the center of the rotation axis; A and B are the communication signal medium transmitted by the second collimator 2, arranged at the outermost circle, wherein the rotation direction of the first collimator rotating section 11 and the second collimator rotating section 21 is the first rotation direction 400, the rotation direction of the prism is the second rotation direction 300, and the speed ratio of the two rotations is 2:1; the prism 3 is a Dove prism, through the principle of prism refraction, A, B, C can synchronously receive signals during the rotation process, the power medium is transmitted according to the trajectory of the first transmission trajectory 100, and the communication signal medium is transmitted according to the trajectory of the second transmission trajectory 200. The air cooling component forms two gas loops 500 at both ends of the rotating transmission device to discharge the heat energy at both ends, solving the problem of heat energy generated by the first collimator 1 during power transmission.

[0040] The collimator rotation transmission device of this embodiment achieves at least the following beneficial effects:

[0041] 1. By arranging the second collimator 2 around the first collimator 1, the same prism is used to perform rotational transmission of various media of signals and power, effectively avoiding the defect of rearranging the power channel on the outside specifically for power transmission, which results in a significant increase in the diameter or length of the product after adding the power channel, and is conducive to the simultaneous transmission of signals and power under specific conditions.

[0042] 2. The first collimator 1 is arranged at the center of the rotation axis 46, which can effectively prevent the heat caused by excessive loss during the rotation process and ensure that the collimator rotation transmission device works at a rated temperature.

[0043] 3. Both the first collimator 1 and the second collimator 2 perform light transmission, and the entire device is not affected by electromagnetic interference.

[0044] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any changes or substitutions that can be easily thought of by any technician familiar with the technical field within the technical scope disclosed in the present invention should be included in the protection scope of the present invention.

Claims

1. A multi-medium collimator rotation transmission device, characterized in that: It comprises a first collimator (1), a second collimator (2), a prism (3), a cooling component, a rotating component (4) and a housing component (5); The rotating assembly (4) comprises a rotating axis (46); The first collimator (1) is used to transmit a power medium, and the second collimator (2) is used to transmit a communication signal medium; the first collimator (1) and the second collimator (2) are both parallel to the rotation axis (46), and the second collimator (2) surrounds the outer periphery of the first collimator (1); The first collimator (1) and the second collimator (2) both comprise a rotating section and a fixed section, the prism (3) is located between the rotating section and the fixed section, and the rotating section and the prism (3) are both capable of rotating around the rotation axis (46).

2. The multi-medium collimator rotation transmission device according to claim 1, characterized in that: Both ends of the transmission device are provided with an air path interface (6), the air path interface (6) comprising an air path inlet (61) and an air path outlet (62), one end of the air path interface (6) is connected to the space around the prism (3), and the other end is connected to an external air compressor.

3. The multi-medium collimator rotation transmission device according to claim 2, characterized in that: The rotating assembly (4) further comprises a collimator seat (41) and a prism seat (42), and one end of the collimator seat (41) is rotatably connected to one end of the prism seat (42).

4. The multi-medium collimator rotation transmission device according to claim 3, characterized in that: The rotating assembly (4) further comprises a first gear (43), a second gear (44) and a pin shaft (45), wherein the first gear (43) and the second gear (44) are both fixedly connected to the pin shaft (45).

5. The multi-medium collimator rotation transmission device according to claim 4, characterized in that: The collimator seat (41) is meshed with the first gear (43), the prism seat (42) is meshed with the second gear (44), and the rotation reduction ratio between the collimator seat (41) and the prism seat (42) is 2:

1.

6. The multi-medium collimator rotation transmission device according to claim 5, characterized in that: The rotating section is fixed on the collimator seat (41), and the prism (3) is fixed in the cavity of the prism seat (42).

7. The multi-medium collimator rotation transmission device according to claim 6, characterized in that: The housing assembly (5) comprises a shell (51), and the fixed section is fixed on the shell (51) and corresponds to the position of the rotating section.

8. The multi-medium collimator rotation transmission device according to claim 7, characterized in that: The first collimator (1) is a single channel, and the center line of the first collimator (1) coincides with the rotation axis (46).

9. The multi-medium collimator rotation transmission device according to claim 7, characterized in that: The first collimator (1) is multi-channel and is evenly arranged around the rotation axis (46).

10. The multi-medium collimator rotation transmission device according to claim 7, characterized in that: The second collimator (2) has four channels or six channels.

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