Optical communication module with servo assembly

By introducing servo components and contactless signal transmission methods into the optical communication module, the problem of easy wear of existing photoelectric slip rings is solved and the service life of the module is improved.

CN222827248UActive Publication Date: 2025-05-02CHONGQING QIPAI ELECTRONICS CO LTD
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Patent Information

Application Number
CN202421761595.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-23
Publication Date
2025-05-02
Estimated Expiration
2034-07-23

AI Technical Summary

Technical Problem

The existing photoelectric slip ring has a short service life, mainly because the brush direct contact structure is used between the rotor part and the stator part on it, which leads to easy wear.

Method used

An optical communication module with servo components is designed, and the contactless information transmission method is adopted to transmit optical signals through the hollow structure of the rotating servo components, avoiding direct contact.

Benefits of technology

Through contactless signal transmission, the service life of the optical communication module is improved and the risk of wear is reduced.

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Abstract

The utility model relates to the technical field of photoelectric slip rings, in particular to an optical communication module with a servo assembly. The device comprises a first photoelectric conversion module, a rotating servo assembly and a second photoelectric conversion module, the rotating servo assembly is of a hollow structure in the direction of a rotating shaft, the first photoelectric conversion module is fixedly connected with the end face of one end of the rotating servo assembly, and the end face of the other end of the rotating servo assembly is fixedly connected with the second photoelectric conversion module. The first photoelectric conversion module comprises a first laser assembly, and the second photoelectric conversion module comprises a second laser assembly; the laser receiving and transmitting end of the first laser assembly and the laser receiving and transmitting end of the second laser assembly are oppositely arranged on the two end faces of the hollow structure of the rotary servo assembly respectively. When the optical communication module is used, the first laser assembly and the second laser assembly transmit optical signals through the hollow structure, so that the purpose of non-contact signal transmission is achieved, and the service life of the whole optical communication module can be prolonged.
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Description

Technical Field

[0001] The utility model relates to the technical field of photoelectric slip rings, in particular to an optical communication module with a servo component. Background Art

[0002] Slip rings are usually used to transmit information on devices that rotate around a rotating point, such as turntables, robotic arms, windmills, and revolving doors. Slip rings provide reliable energy and signal transmission solutions for these electromechanical devices to achieve complex movements. Currently, there are many types of slip rings, which can be divided into electric slip rings, fluid slip rings, smooth slip rings, and photoelectric slip rings. The way they transmit information is to use the sliding or rolling contact of conductive parts, electrostatic coupling, or electromagnetic coupling.

[0003] Photoelectric slip rings are used to realize the simultaneous rotational transmission of optical and electrical signals. Currently, the photoelectric slip rings on the market use a brush direct contact structure between the rotor and stator to transmit electrical signals. This structure is prone to wear, resulting in a short service life of the photoelectric slip ring. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an optical communication module with a servo assembly, which solves the defect of easy wear of contact slip rings through a non-contact information transmission method.

[0005] The utility model discloses an optical communication module with a servo component through an embodiment, including: a first photoelectric conversion module, a rotating servo component and a second photoelectric conversion module. The rotating servo component is a hollow structure along the rotation axis direction, the first photoelectric conversion module is fixedly connected to one end face of the rotating servo component, and the other end face of the rotating servo component is fixedly connected to the second photoelectric conversion module; the first photoelectric conversion module includes a first laser component, and the second photoelectric conversion module includes a second laser component; the laser transceiver end of the first laser component and the laser transceiver end of the second laser component are respectively arranged on the two end faces of the hollow structure of the rotating servo component. When in use, the laser transceiver end of the first laser component and the laser transceiver end of the second laser component realize the transmission of optical signals through the hollow structure.

[0006] Furthermore, the first photoelectric conversion module also includes: a first bidirectional optical communication module, a first circuit board and a first housing, wherein the first housing is provided with a first through hole; the first circuit board is fixedly connected to the first housing, the first bidirectional optical communication module is fixed to the first circuit board, and the first bidirectional optical communication module is connected to the first laser assembly through an optical fiber; the first housing is fixedly connected to the end face of the rotary servo assembly, and the laser transceiver end of the first laser assembly passes through the first through hole and points to the other end of the hollow structure of the rotary servo assembly. The first bidirectional optical communication module is used to realize the conversion of photoelectric signals. The optical signal is transmitted to the laser transceiver end of the first laser assembly through the first through hole.

[0007] Furthermore, the first photoelectric conversion module also includes a first hub, the hub end of which is connected to the first bidirectional optical communication module to transmit signals to the first bidirectional optical communication module or receive signals from the first bidirectional optical communication module. Using a hub to integrate multiple signals can transmit more information at the same time.

[0008] Furthermore, the second photoelectric conversion module also includes: a second bidirectional optical communication module, a second circuit board and a second housing, wherein the second housing is provided with a second through hole; the second circuit board is fixedly connected to the second housing, the second bidirectional optical communication module is fixed to the second circuit board, and the second bidirectional optical communication module is connected to the second laser assembly through an optical fiber; the second housing is fixedly connected to the end face of the rotary servo assembly, and the laser transceiver end of the second laser assembly passes through the second through hole and points to the other end of the hollow structure of the rotary servo assembly. The second bidirectional optical communication module is used to realize the conversion of photoelectric signals. The optical signal is transmitted to the laser transceiver end of the second laser assembly through the second through hole.

[0009] Furthermore, the second photoelectric conversion module also includes a second hub, the hub end of which is connected to the second bidirectional optical communication module to transmit signals to the second bidirectional optical communication module or receive signals from the second bidirectional optical communication module. Using a hub to integrate multiple signals can transmit more information at the same time.

[0010] The technical principle of the utility model is: a first bidirectional optical communication module and a second bidirectional optical communication module are placed at both ends of a rotating servo component for mutual conversion between optical signals and electrical signals. The converted optical signals are transmitted to the laser component through optical fibers. When the entire device is in use, the laser transceiver end of the first laser component and the laser transceiver end of the second laser component are relatively arranged, so that the optical signal can be transmitted through the hollow structure, thereby achieving the purpose of contactless signal transmission and improving the service life of the entire optical communication module.

[0011] Compared with the prior art, the utility model has the following beneficial effects: using the photoelectric conversion method, the electrical signal is converted into an optical signal and transmitted in the hollow structure of the rotating servo component, thereby achieving the purpose of contactless signal transmission and improving the service life of the entire optical communication module. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the technical solution of the utility model and facilitate further understanding of the technical effects, technical features and purposes of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The accompanying drawings constitute an essential part of the specification and are used together with the embodiments of the utility model to illustrate the technical solution of the utility model, but do not constitute a limitation to the utility model.

[0013] Figure 1A cross-sectional view of the optical communication module described in the present utility model;

[0014] Figure 2 A schematic diagram of a first photoelectric conversion module of the optical communication module described in the present utility model;

[0015] Figure 3 It is a schematic diagram of a second photoelectric conversion module of the optical communication module described in the present invention. DETAILED DESCRIPTION

[0016] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. Of course, the specific embodiments described below are only for explaining the technical solution of the present invention, rather than for limiting the present invention. In addition, the parts described in the embodiments or drawings are only examples of the relevant parts of the present invention, rather than the entirety of the present invention. At the same time, based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field should naturally belong to the protection scope of the present invention.

[0017] like Figure 1 , 2 As shown, the utility model proposes an optical communication module with a servo component through the following embodiments, including: a first photoelectric conversion module 1, a rotating servo component 2, and a second photoelectric conversion module 3. Among them, the rotating servo component 3 is a hollow structure along the rotation axis direction, the first photoelectric conversion module 1 is fixedly connected to one end face of the rotating servo component 2, and the other end face of the rotating servo component 2 is fixedly connected to the second photoelectric conversion module 3; the first photoelectric conversion module 1 includes a first laser component 11, and the second photoelectric conversion module 3 includes a second laser component 31; the laser transceiver end of the first laser component 11 and the laser transceiver end of the second laser component 31 are respectively arranged on the two end faces of the hollow structure 2 of the rotating servo component 2. When in use, the laser transceiver end of the first laser component 11 and the laser transceiver end of the second laser component 31 realize the transmission of optical signals through the hollow structure 21.

[0018] In this embodiment, the first photoelectric conversion module 1 also includes: a first bidirectional optical communication module 12, a first circuit board 13 and a first housing 14, wherein the first housing 14 is provided with a first through hole; the first circuit board 13 is fixedly connected to the first housing 14 by screws 16, the first bidirectional optical communication module 12 is fixed to the first circuit board 13 by welding, and the first bidirectional optical communication module 12 is connected to the first laser assembly 11 by an optical fiber 15; the first housing 14 is fixedly connected to the end face of the rotary servo assembly 2, and the laser transceiver end of the first laser assembly 11 passes through the first through hole and points to the other end of the hollow structure 21 of the rotary servo assembly. The first bidirectional optical communication module 12 is used to realize the conversion of photoelectric signals. The optical signal is transmitted to the laser transceiver end of the first laser assembly 11 through the first through hole.

[0019] In this embodiment, the first photoelectric conversion module 1 further includes a first hub 17, a hub end of the first hub 17 is connected to the first bidirectional optical communication module 12, and transmits signals to the first bidirectional optical communication module 12 or receives signals from the first bidirectional optical communication module 12. Using a hub to integrate multiple signals can simultaneously transmit more information.

[0020] In this embodiment, the second photoelectric conversion module 3 also includes: a second bidirectional optical communication module 32, a second circuit board 33 and a second housing 34, wherein the second housing 34 is provided with a second through hole; the second circuit board 33 and the second housing 34 are also fixedly connected by screws 36, the second bidirectional optical communication module 32 is fixed on the second circuit board 33, and the second bidirectional optical communication module 32 is connected to the second laser assembly 31 through an optical fiber 35; the second housing 33 is fixedly connected to the end face of the rotation servo assembly 2, and the laser transceiver end of the second laser assembly 31 passes through the second through hole and points to the other end of the hollow structure 21 of the rotation servo assembly. The second bidirectional optical communication module 32 is used to realize the conversion of photoelectric signals. The optical signal is transmitted to the laser transceiver end of the second laser assembly 31 through the second through hole.

[0021] In this embodiment, the second photoelectric conversion module 3 further includes a second hub 37, the hub end of the second hub 37 is connected to the second bidirectional optical communication module 32, and transmits signals to the second bidirectional optical communication module 32 or receives signals from the second bidirectional optical communication module 32. Using a hub to integrate multiple signals can transmit more information at the same time.

[0022] It should be noted that the above embodiments are only for more clearly illustrating the technical solution of the present invention. Those skilled in the art can understand that the implementation methods of the present invention are not limited to the above contents, and obvious changes, replacements or substitutions based on the above contents do not exceed the scope covered by the technical solution of the present invention; other implementation methods also belong to the scope of the present invention without departing from the concept of the present invention.

Claims

1. An optical communication module with a servo assembly, comprising a first photoelectric conversion module, a rotation servo assembly and a second photoelectric conversion module, characterized in that: The rotating servo assembly is a hollow structure along the rotating axis direction, the first photoelectric conversion module is fixedly connected to one end surface of the rotating servo assembly, and the other end surface of the rotating servo assembly is fixedly connected to the second photoelectric conversion module; The first photoelectric conversion module includes a first laser component, and the second photoelectric conversion module includes a second laser component; the laser transceiver end of the first laser component and the laser transceiver end of the second laser component are respectively arranged on the end surfaces of the hollow structure of the rotary servo component.

2. The optical communication module with a servo assembly according to claim 1, characterized in that: The first photoelectric conversion module further includes: a first bidirectional optical communication module, a first circuit board and a first housing, wherein the first housing is provided with a first through hole; The first circuit board is fixedly connected to the first housing, the first bidirectional optical communication module is fixed on the first circuit board, and the first bidirectional optical communication module is connected to the first laser assembly through an optical fiber; The first housing is fixedly connected to the end surface of the rotary servo assembly, and the laser transceiver end of the first laser assembly passes through the first through hole and points to the other end of the hollow structure of the rotary servo assembly.

3. The optical communication module with a servo assembly as claimed in claim 2, characterized in that: The first photoelectric conversion module further includes a first hub, a hub end of which is connected to the first bidirectional optical communication module to transmit signals to the first bidirectional optical communication module or receive signals from the first bidirectional optical communication module.

4. The optical communication module with a servo assembly according to claim 1, characterized in that: The second photoelectric conversion module further includes: a second bidirectional optical communication module, a second circuit board and a second housing, wherein the second housing is provided with a second through hole; The second circuit board is fixedly connected to the second housing, the second bidirectional optical communication module is fixed on the second circuit board, and the second bidirectional optical communication module is connected to the second laser assembly through an optical fiber; The second housing is fixedly connected to the end surface of the rotary servo assembly, and the laser transceiver end of the second laser assembly passes through the second through hole and points to the other end of the hollow structure of the rotary servo assembly.

5. The optical communication module with a servo assembly as claimed in claim 4, characterized in that: The second photoelectric conversion module also includes a second hub, a hub end of which is connected to the second bidirectional optical communication module to transmit signals to the second bidirectional optical communication module or receive signals from the second bidirectional optical communication module.