Non-contact photoelectric slip ring

Abstract

The application relates to a non-contact photoelectric slip ring which comprises a stator mechanism and a rotor mechanism, the stator mechanism is provided with a pipe cap body in the shape of a pipe cap, the rotor mechanism is provided with a shaft body, the shaft body is a hollow shaft, the pipe cap body is provided with a D mounting portion inside, the shaft cavity of the shaft body is provided with a Z mounting portion, one end of the shaft body is inserted into the riser end of the pipe cap body and is rotationally assembled through a rotating assembly component, the Z mounting portion is assembled with a Z collimator, the D mounting portion is assembled with a D collimator used for optical signal transmission with the Z collimator, the shaft body is provided with a Z inductor, the riser of the pipe cap body is provided with a D inductor, and electrical signal transmission is carried out between the D inductor and the Z inductor. The above scheme provided by the application can effectively prolong the service life of the photoelectric slip ring.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of optical and electrical signal transmission equipment, in particular to a non-contact photoelectric slip ring. BACKGROUND

[0002] The slip ring is an electrical component responsible for connecting and transmitting energy and signals for rotating bodies. According to the transmission medium, the slip ring is divided into electrical slip ring, fluid slip ring, optical slip ring, and photoelectric slip ring, which can also be commonly referred to as "rotary connection" or "rotary connection". The slip ring is usually installed at the center of the rotating device and mainly consists of rotating and stationary parts. The rotating part is connected to the rotating structure of the device and rotates with it, called "rotor", and the stationary part is connected to the fixed structure of the device, called "stator". The transmission of electrical signals on the electrical slip ring and the photoelectric slip ring used in the market at present mostly adopts a contact structure, so there is a problem of short wear life, so it is necessary to solve this problem. SUMMARY

[0003] The purpose of the present application is to provide a non-contact photoelectric slip ring which transmits electrical signals by adopting a non-contact structure.

[0004] The technical scheme adopted by the present application is as follows.

[0005] A non-contact photoelectric slip ring, characterized in that it comprises a stator mechanism and a rotor mechanism, the stator mechanism has a pipe cap-shaped pipe cap body, the rotor mechanism has a shaft body, the shaft body is a hollow shaft, the pipe cap body has a D mounting portion inside, the shaft cavity of the shaft body has a Z mounting portion, one end of the shaft body is inserted into the riser end of the pipe cap body and is rotationally assembled by a rotating assembly component, the Z mounting portion is assembled with a Z collimator, the D mounting portion is assembled with a D collimator for optical signal transmission with the Z collimator, the shaft body has a Z inductor on the shaft, the riser of the pipe cap body has a D inductor, and the D inductor and the Z inductor transmit electrical signals.

[0006] The specific scheme is that the D inductor is mounted on the inner wall surface of the riser of the pipe cap body.

[0007] The pipe cap body has an adjusting assembly for adjusting the posture of the D collimator.

[0008] The pipe cap body comprises a tail pipe cap, a middle pipe sleeve and a front end pipe sleeve arranged in sequence along a direction a, the direction a is the direction in which the D collimator points to the Z collimator, both ends of the middle pipe sleeve are marked as A1 end and A2 end respectively, the pipe inner cavity of the A1 end of the middle pipe sleeve constitutes the D mounting portion, and the A1 end pipe body is inserted and assembled in the tail pipe cap.

[0009] The adjusting assembly is arranged on the pipe wall of the A1 end of the middle pipe sleeve.

[0010] The D collimator is installed in the metal pipe, two circles of threaded adjusting holes are arranged on the pipe wall of the A1 end, the adjusting assembly comprises adjusting screws arranged in the threaded adjusting holes, the inner end of the adjusting screw abuts against the outer wall surface of the metal pipe, and the posture of the D collimator is adjusted by rotating the adjusting screw.

[0011] The two ends of the front end pipe sleeve are marked as B1 end and B2 end respectively, the B1 end is arranged closer to the tail pipe cap than the B2 end, one end of the shaft body is rotationally assembled with the B1 end, the B1 end of the front end pipe sleeve is insertedly assembled in the A2 end of the middle pipe sleeve, and the D inductor is assembled on the inner wall surface of the B2 end of the front end pipe sleeve.

[0012] The rotation assembly comprises two bearings which are arranged at intervals along the a direction, and a supporting sleeve is arranged between the two bearings, and the outer diameter of the supporting sleeve is smaller than the outer diameter of the inner ring of the bearing.

[0013] The D collimator and the Z collimator are respectively formed by high-frequency inductors.

[0014] The tail pipe cap is provided with a sheath, the other end of the shaft body is provided with a tail sleeve, and the shaft body is provided with a Z mounting portion at the shaft cavity position corresponding to the D collimator and the Z collimator.

[0015] The above scheme provided by the application can effectively prolong the service life of the photoelectric slip ring. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the application.

[0017] Figure 2 It is a sectional view of the structural schematic diagram of the application.

[0018] The corresponding relationship of the components and the reference numerals is as follows: 110-pipe cap body, 111-tail pipe cap, 112-middle pipe sleeve, 113-front end pipe sleeve, 120-D collimator, 130-sheath, 140-D inductor, 141-D wire, 150-bearing, 210-shaft body, 220-Z collimator, 230-tail sleeve, 240-Z inductor, and 241-Z wire. EMBODIMENT

[0019] In order to make the purpose and advantages of the application more clear and explicit, the application is specifically described below in combination with the embodiments. It should be understood that the following text is only used to describe one or several specific embodiments of the application, and does not strictly limit the specific protection scope of the application.

[0020] As Figure 1 , 2As shown, a non-contact photoelectric slip ring includes a stator mechanism and a rotor mechanism, the stator mechanism has a cap-shaped cap body 110, the rotor mechanism has a shaft body 210, the shaft body 210 is a hollow shaft, the cap body 110 has a D mounting portion inside, the shaft cavity of the shaft body 210 has a Z mounting portion, one end of the shaft body 210 is inserted into the riser end of the cap body 110 and is rotationally assembled by a rotating assembly, the Z mounting portion is assembled with a Z collimator 220, the D mounting portion is assembled with a D collimator 120 for optical signal transmission with the Z collimator 220, the shaft body 210 has a Z inductor 240 on the shaft, the riser of the cap body 110 has a D inductor 140, and the D inductor 140 and the Z inductor 240 transmit electrical signals.

[0021] Specifically, the D inductor 140 is mounted on the inner wall surface of the riser of the cap body 110. The cap body 110 has an adjusting assembly for adjusting the posture of the D collimator 120. The cap body 110 includes a tail cap 111, a middle sleeve 112 and a front sleeve 113 arranged in sequence along a direction a, the direction a is the direction in which the D collimator 120 points to the Z collimator 220, the middle sleeve 112 has two ends marked as A1 end and A2 end, the inner cavity of the A1 end of the middle sleeve 112 constitutes a D mounting portion, and the A1 end is inserted and assembled in the tail cap 111. The adjusting assembly is arranged on the wall of the A1 end of the middle sleeve 112. The D collimator 120 is mounted in a metal pipe, two circles of threaded adjusting holes are arranged on the wall of the A1 end, the adjusting assembly includes adjusting screws arranged in the threaded adjusting holes, the inner ends of the adjusting screws abut against the outer wall surface of the metal pipe, and the posture of the D collimator 120 is adjusted by rotating the adjusting screws. The front sleeve has two ends marked as B1 end and B2 end, the B1 end is arranged closer to the tail cap 111 than the B2 end, one end of the shaft body 210 is rotationally assembled with the B1 end, the B1 end of the front sleeve 113 is inserted and assembled in the A2 end of the middle sleeve 112, and the D inductor 140 is assembled on the inner wall surface of the B2 end of the front sleeve 113. The rotating assembly includes two bearings 150 arranged at intervals along the direction a, a support sleeve is arranged between the two bearings 150, and the outer diameter of the support sleeve is smaller than the outer diameter of the inner ring of the bearing. The D collimator 120 and the Z collimator 220 are respectively composed of high-frequency inductors. The tail cap 111 is assembled with a sheath 130, the other end of the shaft body 210 is provided with a tail sleeve 230, and the shaft cavity part of the shaft body 210 corresponding to the arrangement of the D collimator 120 and the Z collimator 220 constitutes a Z mounting portion. The coupling loss is positively correlated with the coupling gap, so the smaller the gap between the D inductor 140 and the Z inductor 240 is, the better.

[0022] The above scheme provided by the present application, in the specific operation, eight threaded adjusting holes (four in each circle, two circles are arranged) are arranged on the A1 end pipe wall, the adjusting screw in the threaded adjusting hole is fixedly connected with the metal pipe, the positions of the eight adjusting screws are adjusted, the light coupling between the D collimator 120 and the Z collimator 220 is realized, the D inductor 140 and the Z inductor 240 are arranged in a non-contact mode, the D inductor 140 and the Z inductor 240 are fixedly connected with the D wire 141 and the Z wire 241 respectively. The other end of the shaft body 210 is threadedly connected with the tail sleeve 230, and the tail sleeve is sleeved with the protective sleeve 130; the cables connected with the D collimator 120 and the Z collimator 220 are protected respectively. The number of bearings is two, so that the structure is more stable, and the lateral force of the product is reduced. The support sleeve is sleeved on the shaft body 210, the outer diameter of the support sleeve is smaller than the outer diameter of the inner ring of the bearing 150, so that the two bearings 150 are prevented from contacting and generating friction. The shaft body 210 is a variable-diameter shaft, the inner diameter of the A1 end of the middle pipe sleeve 112 is smaller than the inner diameter of the A1 end. The outer wall of the front end pipe sleeve 113 is provided with a flange or other similar mounting member for assembly, so that the fixing of the sleeve body is facilitated; the shaft body is further provided with a transmission member for driving the rotation of the shaft body.

[0023] When the photoelectric slip ring provided by the present application works, the light signal is emitted from the D collimator 120 / Z collimator 220, received by the Z collimator 220 / D collimator 120 coupled thereto, and then emitted from the other end, the electrical signal is input into the D wire 141 / Z wire 241, and then transmitted to the Z wire 241 / D wire 141 through the D inductor 140 and the Z inductor 240, so that the rotation transmission of the light signal and the electrical signal is realized through the rotor mechanism and the stator mechanism; meanwhile, the photoelectric slip ring provided by the present application has high integration, small size and convenient installation.

[0024] The above is only the preferred embodiment of the present application, and it should be pointed out that, for ordinary skilled persons in the art, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be regarded as the protection scope of the present application. The structures, mechanisms and operation methods not specifically described and explained in the present application are implemented according to the conventional means in the art, unless otherwise specified and limited.

Claims

1. A non-contact photoelectric slip ring, characterized by: The application relates to a tube cap body and a shaft body, the tube cap body is provided with a D mounting portion, the shaft cavity of the shaft body is provided with a Z mounting portion, one end of the shaft body is inserted into the riser end of the tube cap body and is rotationally assembled through a rotation assembly, the Z mounting portion is provided with a Z collimator, the D mounting portion is provided with a D collimator for optical signal transmission with the Z collimator, the shaft body is provided with a Z inductor, the riser of the tube cap body is provided with a D inductor, and electrical signal transmission is performed between the D inductor and the Z inductor. The tube cap body is provided with an adjusting assembly for adjusting the posture of the D collimator; the tube cap body comprises a tail tube cap, a middle tube sleeve and a front end tube sleeve arranged in sequence along an a direction, the a direction is a direction in which the D collimator points to the Z collimator, two ends of the middle tube sleeve are marked as A1 end and A2 end, the inner cavity of the A1 end of the middle tube sleeve constitutes the D mounting portion, and the A1 end tube body is inserted and assembled in the tail tube cap; the adjusting assembly is arranged on the tube wall of the A1 end of the middle tube sleeve; the D collimator is mounted in a metal tube, two circles of threaded adjusting holes are arranged on the A1 end tube wall, the adjusting assembly comprises adjusting screws arranged in the threaded adjusting holes, the inner ends of the adjusting screws abut against the outer wall surface of the metal tube, the posture of the D collimator is adjusted by rotating the adjusting screws; a sheath is assembled on the tail tube cap, the other end of the shaft body is provided with a tail sleeve, and the shaft cavity part of the shaft body arranged corresponding to the D collimator and the Z collimator constitutes the Z mounting portion.

2. The non-contact photoelectric slip ring of claim 1, wherein: The D inductor is mounted on the inner wall surface of the riser of the tube cap body.

3. The non-contact photoelectric slip ring of claim 1, wherein: The two ends of the front end tube sleeve are marked as B1 end and B2 end, the B1 end is arranged closer to the tail tube cap than the B2 end, one end of the shaft body is rotationally assembled with the B1 end, the B1 end of the front end tube sleeve is inserted and assembled in the A2 end of the middle tube sleeve, and the D inductor is assembled on the inner wall surface of the B2 end of the front end tube sleeve.

4. The non-contact photoelectric slip ring of claim 1, wherein: The rotation assembly comprises two bearings arranged at intervals along the a direction, a support sleeve is arranged between the two bearings, and the outer diameter of the support sleeve is smaller than the outer diameter of the inner ring of the bearing.

5. The non-contact photoelectric slip ring of claim 1, wherein: The D collimator and the Z collimator are respectively composed of high-frequency inductors.

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