CN106848586B - Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device - Google Patents
Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device Download PDFInfo
- Publication number
- CN106848586B CN106848586B CN201710142394.8A CN201710142394A CN106848586B CN 106848586 B CN106848586 B CN 106848586B CN 201710142394 A CN201710142394 A CN 201710142394A CN 106848586 B CN106848586 B CN 106848586B
- Authority
- CN
- China
- Prior art keywords
- layer
- spindles
- slip ring
- main shafts
- main shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/34—Adaptation for use in or on ships, submarines, buoys or torpedoes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R39/00—Rotary current collectors, distributors or interrupters
- H01R39/02—Details for dynamo electric machines
- H01R39/08—Slip-rings
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Motor Or Generator Current Collectors (AREA)
Abstract
The invention discloses a rotor assembly of a slip ring, the slip ring and a ship-borne communication in motion, which comprise a copper ring, an insulating sheet and a plurality of main shafts, wherein the main shafts are of hollow structures, the main shafts are sequentially arranged from outside to inside in layers, a space is reserved between every two adjacent layers of main shafts, the main shafts which are arranged in layers have the same rotation central axis and synchronously rotate, and the copper ring and the insulating sheet are sequentially sleeved on each layer of main shafts at intervals. According to the invention, a combination form of multi-layer spindle suit is adopted, and by distributing all copper rings on a plurality of spindles arranged in a layered manner, compared with the situation that all copper rings are distributed on the same spindle, the length of the spindle is reduced under the condition that the number of loops is the same, and the whole length of the slip ring is further reduced, so that the invention is suitable for a space limited in shipborne movement.
Description
Technical Field
The present invention relates to a slip ring used in a ship-borne communication in motion, and more particularly to a rotor assembly of a slip ring, and a ship-borne communication in motion.
Background
Satellite communication systems used in mobile are generally called "communication-in-motion", and on modern ships, conventional "communication-in-static" technology cannot meet communication requirements, and the "communication-in-motion" systems based on mobile satellite communication technology are rapidly developing and are beginning to be widely applied. The shipborne communication-in-motion system can provide satellite communication, voice and video and the like, meets the requirements of offshore multimedia and communication, and has very wide application prospect along with continuous development of naval force and gradual deep ocean development.
The slip ring is used as an indispensable core component in the ship-borne communication in motion, is arranged at the rotating center of the antenna and is used for transmitting current, radio frequency signals, sensor signals, other controls and the like, so that the antenna can normally work while rotating for 360 degrees without limitation, and uninterrupted communication of the antenna is ensured. With continuous updating of the on-board communication, the functions of the on-board communication are more and more, and the integration degree of the whole on-board communication is also higher and more, so that the loop of the slip ring is required to be increased to integrate more signal and current paths.
In the prior art, all copper rings in the slip ring are distributed on the same main shaft, one loop of the slip ring corresponds to one copper ring, so that the more the number of loops of the slip ring is, the longer the main shaft of the slip ring is, and the longer the whole length of the corresponding slip ring is, but the space for installing the slip ring in the on-board communication is limited, so that the existing slip ring cannot be suitable for the limited space provided in the on-board communication under the condition that the whole length of the slip ring is increased. In addition, all copper rings are distributed on the same main shaft, a current loop and a signal loop on the slip ring are on the same main shaft, and the transmission of the signal loop is interfered by the current loop.
Disclosure of Invention
The invention aims to solve the technical problem of providing a rotor assembly of a slip ring, the slip ring and a ship-borne communication in motion, and the overall length of the slip ring is reduced by distributing all copper rings on a plurality of main shafts which are arranged in a layered manner, so that the rotor assembly is suitable for a limited space of the ship-borne communication in motion.
The technical scheme of the invention is as follows: the utility model provides a rotor subassembly of sliding ring, including copper ring, insulating piece and a plurality of main shaft, a plurality of main shafts are hollow structure, a plurality of main shafts are in proper order from outer to interior layering setting, have the interval between the adjacent two-layer main shaft, and the layering setting a plurality of main shafts have same rotation central axis and synchronous rotation, and every layer is epaxial the interval in proper order the cover be equipped with the copper ring with the insulating piece.
The number of the main shafts is two, the main shafts are a first layer main shaft and a second layer main shaft, the second layer main shaft is arranged in the first layer main shaft, and the second layer main shaft is fixedly connected with the same end of the first layer main shaft.
The number of the main shafts is three, and the main shafts are a first layer main shaft, a second layer main shaft and a third layer main shaft, wherein the second layer main shaft is arranged in the first layer main shaft, the third layer main shaft is arranged in the second layer main shaft, and the third layer main shaft, the second layer main shaft and the same end of the first layer main shaft are fixedly connected.
There is also provided a slip ring comprising a rotor assembly as described above.
Still another slip ring is provided, comprising a rotor assembly and a stator assembly, wherein:
the rotor assembly comprises a copper ring, an insulating sheet and a plurality of main shafts, wherein the main shafts are of hollow structures, the main shafts are sequentially arranged in layers from outside to inside, a space is reserved between every two adjacent layers of main shafts, the main shafts in the layers are provided with the same rotation central axis and synchronously rotate, and the copper ring and the insulating sheet are sequentially sleeved on each layer of main shafts at intervals;
the stator assembly comprises a cover body and brush holders arranged on the inner side surface of the cover body, the cover body covers the rotor assembly, each layer of main shaft corresponds to two brush holders, and brush wires which are in contact with copper rings on the corresponding layer of main shaft are arranged on each brush holder.
The number of the main shafts is two, the main shafts are a first layer main shaft and a second layer main shaft, the second layer main shaft is arranged in the first layer main shaft, and the second layer main shaft is fixedly connected with the same end of the first layer main shaft.
The number of the main shafts is three, and the main shafts are a first layer main shaft, a second layer main shaft and a third layer main shaft, wherein the second layer main shaft is arranged in the first layer main shaft, the third layer main shaft is arranged in the second layer main shaft, and the third layer main shaft, the second layer main shaft and the same end of the first layer main shaft are fixedly connected.
And a PG joint is arranged on the outer side surface of the sleeve cover.
A ship-borne communication-in-motion system is also provided, and the slip ring is used.
The rotor assembly of the slip ring, the slip ring and the on-board communication in motion provided by the invention adopt a combination mode of sleeving a plurality of main shafts, and by distributing all copper rings on the plurality of main shafts which are arranged in a layered manner, compared with the situation that all copper rings are distributed on the same main shaft, the length of the main shaft is reduced under the condition that the number of loops is the same, and the whole length of the slip ring is further reduced, so that the on-board communication in motion is suitable for a limited space of the on-board communication in motion. In addition, through distributing all copper rings on a plurality of main shafts that the layering set up, the electric current loop and the signal loop of sliding ring can distribute on different main shafts, have avoided the interference of electric current loop to the signal loop, have guaranteed the smooth transmission of signal.
Drawings
FIG. 1 is a schematic block diagram of one embodiment of a rotor assembly of the slip ring of the present invention.
FIG. 2 is a schematic block diagram of one embodiment of a slip ring of the present invention.
Fig. 3 is a front view of one embodiment of the slip ring of the present invention.
Fig. 4 is a rear view of one embodiment of the slip ring of the present invention.
Detailed Description
As shown in fig. 1, the rotor assembly of the slip ring provided by the invention comprises a copper ring 1, an insulating sheet 2 and a plurality of main shafts, wherein the main shafts are of hollow structures, the main shafts are sequentially arranged from outside to inside in a layering manner, a space is reserved between two adjacent layers of main shafts, the main shafts in the layering manner have the same rotation central axis and synchronously rotate, and the copper ring 1 and the insulating sheet 2 are sequentially sleeved on each layer of main shafts at intervals.
The outermost layer main shaft is provided with a bearing, and the innermost layer main shaft is provided with a bearing.
In one embodiment, as shown in fig. 1, the number of the spindles is two, namely a first layer spindle 3 (outermost layer) and a second layer spindle 4 (innermost layer), the second layer spindle 4 is disposed inside the first layer spindle 3, and the second layer spindle 4 is fixedly connected to the same end of the first layer spindle 3. In this embodiment, an annular connecting plate 31 is disposed at the opening of the left end of the first layer spindle 3, and the annular connecting plate is connected with the left end of the second layer spindle 4 by a screw 6, so that the first layer spindle 3 and the second layer spindle 4 rotate synchronously. A bearing 5 is fitted on the left end of the first layer spindle 3 and a bearing 5 is fitted on the right end of the second layer spindle 4. The copper ring 1 and the insulating sheet 2 are respectively sleeved on the first layer main shaft 3 and the second layer main shaft 4 at intervals in sequence, and when the first layer main shaft 3 and the second layer main shaft 4 synchronously rotate, the copper ring 1 and the insulating sheet 2 are driven to rotate. The inner diameter of the annular connecting plate 31 and the inner diameter of the second-layer main shaft 4 can be equal or unequal, and the annular connecting plate 31 and the second-layer main shaft 4 are matched through steps when the inner diameters are unequal and then are connected through screws. In this embodiment, a first baffle is sleeved on the right end of the second-layer spindle 4, so as to lock the copper ring and the insulating sheet on the second-layer spindle 4, and a bearing 5 on the right end of the second-layer spindle 4 is sleeved on the first baffle. The left end part of the first layer main shaft 3 is sleeved with a second baffle plate for locking the copper ring and the insulating sheet on the first layer main shaft 3, and the right end part of the first layer main shaft 3 is sleeved with a bearing 5.
In another embodiment, the number of the spindles is three, and the spindles are a first layer of spindles (an outermost layer), a second layer of spindles and a third layer of spindles (an innermost layer), the second layer of spindles are arranged in the first layer of spindles, the third layer of spindles are arranged in the second layer of spindles, and the third layer of spindles, the second layer of spindles and the same end of the first layer of spindles are fixedly connected. In this embodiment, the opening at the left end of the first layer of spindle is provided with an annular connecting plate, and the annular connecting plate is connected with the left end of the second layer of spindle and the left end of the third layer of spindle respectively through screws, so that the third layer of spindle, the second layer of spindle and the first layer of spindle synchronously rotate. A bearing is fitted on the left end of the first layer spindle and a bearing is fitted on the right end of the third layer spindle. The first layer of main shaft, the second layer of main shaft and the third layer of main shaft are respectively sleeved with a copper ring and an insulating sheet at intervals in sequence. The inner diameter of the annular connecting plate is equal to the inner diameter of the third-layer main shaft.
The invention also provides a slip ring comprising the rotor assembly.
As shown in fig. 3 and 4, the present invention also proposes another slip ring, including the rotor assembly 100 described above, and further including the stator assembly 200. As shown in fig. 2, the stator assembly comprises a cover body and brush holders 7 arranged on the inner side surface of the cover body, the cover body covers the rotor assembly, each layer of main shaft corresponds to two brush holders, and each brush holder 7 is provided with brush wires 8 which are contacted with copper rings on each layer of main shaft corresponding to the brush wires. The number of brush wires on each brush frame 7 is equal to the number of copper rings on the layer of main shaft corresponding to the brush frame, and the brush wires are in one-to-one correspondence.
The brush holder is a strip-shaped plate.
As shown in fig. 2, the cover body comprises a cover 9 and an end cover 10, the end cover 10 is fixed on the right end opening of the cover 9, and one end of the brush holder 7 is fixed on the inner side surface of the end cover 10 through screws. The middle of the inner side surface of the end cover 10 is provided with a bearing groove matched with a bearing on the innermost spindle, and the left end of the sleeve cover 9 is provided with a bearing groove matched with a bearing on the outermost spindle.
In one embodiment, as shown in fig. 2, the number of the spindles is two, namely a first layer of spindles 3 and a second layer of spindles 4, two brush holders 7 corresponding to the first layer of spindles are arranged in the interval between the sleeve cover 9 and the first layer of spindles 3, and holes are arranged on the two brush holders 7 corresponding to the copper rings on the first layer of spindles 3 so as to facilitate the installation of the brush wires 8. The brush wires 8 on the two brush holders 7 are respectively contacted with the copper rings 1 on the first layer of main shaft 3, and the two brush holders are arranged at 180 degrees, 90 degrees or other angles in the circumferential direction. Two brush holders 7 corresponding to the second layer spindle are placed in the interval between the first layer spindle 3 and the second layer spindle 4, and brush wires 8 on the two brush holders 7 are respectively contacted with copper rings 1 on the second layer spindle 4, and the two brush holders are arranged at 180 degrees, 90 degrees or other angles in the circumferential direction. When the rotor rotates, the copper ring 1 on the first layer main shaft 3 forms a current loop of the slip ring, and the copper ring 1 on the second layer main shaft 4 forms a signal loop of the slip ring, so that the current loop and the signal loop are separated.
In another embodiment, the number of the spindles is three, and the spindles are a first layer of spindles, a second layer of spindles and a third layer of spindles, two brush holders corresponding to the first layer of spindles are arranged in the interval between the sleeve cover and the first layer of spindles, two brush holders corresponding to the second layer of spindles are arranged between the first layer of spindles and the second layer of spindles, and two brush holders corresponding to the third layer of spindles are arranged between the second layer of spindles and the third layer of spindles. When the rotor rotates, the copper rings on the first layer of main shaft form a current loop of the slip ring, the copper rings on the second layer of main shaft form a first signal loop of the slip ring, and the copper rings on the third layer of main shaft form a second signal loop of the slip ring, so that the current loop and the signal loop are separated.
The outer side surface of the sleeve cover 9 is provided with a PG joint 11.
The invention also provides a ship-borne communication-in-motion device, and the slip ring is used.
The rotor assembly of the slip ring, the slip ring and the on-board communication in motion provided by the invention adopt a combination mode of sleeving a plurality of main shafts, and by distributing all copper rings on the plurality of main shafts which are arranged in a layered manner, compared with the situation that all copper rings are distributed on the same main shaft, the length of the main shaft is reduced under the condition that the number of loops is the same, and the whole length of the slip ring is further reduced, so that the on-board communication in motion is suitable for a limited space of the on-board communication in motion. In addition, through distributing all copper rings on a plurality of main shafts that the layering set up, the electric current loop and the signal loop of sliding ring can distribute on different main shafts, have avoided the interference of electric current loop to the signal loop, have guaranteed the smooth transmission of signal.
The above embodiments are only for illustrating the idea of the present invention, and those skilled in the art can make various modifications and variations within the scope of the present invention.
Claims (9)
1. The rotor assembly of the slip ring is characterized by comprising a copper ring, an insulating sheet and a plurality of spindles, wherein the spindles are of hollow structures, the spindles are sequentially arranged from outside to inside in a layering manner, a space is reserved between every two adjacent layers of spindles, the spindles in the layering manner have the same rotation central axis and synchronously rotate, and the copper ring and the insulating sheet are sequentially sleeved on each layer of spindles at intervals.
2. The slip ring rotor assembly of claim 1, wherein the number of spindles is two, a first layer of spindles and a second layer of spindles, the second layer of spindles being disposed inside the first layer of spindles, and the second layer of spindles being fixedly connected to the same end of the first layer of spindles.
3. The slip ring rotor assembly of claim 1, wherein the number of spindles is three, a first layer of spindles, a second layer of spindles and a third layer of spindles, the second layer of spindles being disposed inside the first layer of spindles, the third layer of spindles being disposed inside the second layer of spindles, and the third layer of spindles, the second layer of spindles and the same end of the first layer of spindles being fixedly connected.
4. A slip ring, characterized by: a rotor assembly comprising any one of claims 1 to 3.
5. A slip ring comprising a rotor assembly and a stator assembly, wherein:
the rotor assembly comprises a copper ring, an insulating sheet and a plurality of main shafts, wherein the main shafts are of hollow structures, the main shafts are sequentially arranged in layers from outside to inside, a space is reserved between every two adjacent layers of main shafts, the main shafts in the layers are provided with the same rotation central axis and synchronously rotate, and the copper ring and the insulating sheet are sequentially sleeved on each layer of main shafts at intervals;
the stator assembly comprises a cover body and brush holders arranged on the inner side surface of the cover body, the cover body covers the rotor assembly, each layer of main shaft corresponds to two brush holders, and brush wires which are in contact with copper rings on the corresponding layer of main shaft are arranged on each brush holder.
6. The slip ring of claim 5, wherein the number of spindles is two, a first layer of spindles and a second layer of spindles, the second layer of spindles being disposed inside the first layer of spindles, and the second layer of spindles being fixedly connected to the same end of the first layer of spindles.
7. The slip ring of claim 5, wherein the number of spindles is three, a first layer of spindles, a second layer of spindles, and a third layer of spindles, the second layer of spindles being disposed within the first layer of spindles, the third layer of spindles being disposed within the second layer of spindles, and the third layer of spindles, the second layer of spindles, and the same end of the first layer of spindles being fixedly attached.
8. The slip ring of claim 5, wherein the cover body comprises a sleeve cover and an end cap, the sleeve cover having a PG joint disposed on an outer side surface thereof.
9. On-board communication in motion, characterized in that a slip ring according to any one of claims 5 to 8 is used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142394.8A CN106848586B (en) | 2017-03-10 | 2017-03-10 | Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710142394.8A CN106848586B (en) | 2017-03-10 | 2017-03-10 | Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106848586A CN106848586A (en) | 2017-06-13 |
| CN106848586B true CN106848586B (en) | 2023-05-23 |
Family
ID=59143843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710142394.8A Active CN106848586B (en) | 2017-03-10 | 2017-03-10 | Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106848586B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107994436B (en) * | 2017-11-14 | 2019-08-09 | 北京无线电测量研究所 | A kind of collector ring of double-layer nested structure |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4992691A (en) * | 1988-05-17 | 1991-02-12 | General Motors France | Slip ring arrangements |
| CN201397999Y (en) * | 2009-05-20 | 2010-02-03 | 蔡益军 | Small-sized slip ring |
| CN202150614U (en) * | 2011-07-21 | 2012-02-22 | 深圳市晶沛电子有限公司 | Hollow shaft slip ring |
| CN203260880U (en) * | 2012-12-19 | 2013-10-30 | 华南理工大学 | Ring-type current collector |
| KR20150024168A (en) * | 2013-08-26 | 2015-03-06 | 삼성테크윈 주식회사 | Apparatus for transmitting signal using slip ling |
| CN104733969A (en) * | 2015-04-08 | 2015-06-24 | 深圳市晶沛电子有限公司 | Cap type slip ring |
| CN204669516U (en) * | 2015-06-01 | 2015-09-23 | 杭州全盛机电科技有限公司 | A kind of high definition slip ring structure transmitting multi-path high-definition signal |
| CN106374222A (en) * | 2016-10-31 | 2017-02-01 | 西安坤蓝电子技术有限公司 | Finite rotation device of mobile satellite communication antenna and control method of finite rotation device |
| CN206850024U (en) * | 2017-03-10 | 2018-01-05 | 深圳市偲诺电子科技有限公司 | Rotor assembly, slip ring and the boat-carrying communication in moving of slip ring |
-
2017
- 2017-03-10 CN CN201710142394.8A patent/CN106848586B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4992691A (en) * | 1988-05-17 | 1991-02-12 | General Motors France | Slip ring arrangements |
| CN201397999Y (en) * | 2009-05-20 | 2010-02-03 | 蔡益军 | Small-sized slip ring |
| CN202150614U (en) * | 2011-07-21 | 2012-02-22 | 深圳市晶沛电子有限公司 | Hollow shaft slip ring |
| CN203260880U (en) * | 2012-12-19 | 2013-10-30 | 华南理工大学 | Ring-type current collector |
| KR20150024168A (en) * | 2013-08-26 | 2015-03-06 | 삼성테크윈 주식회사 | Apparatus for transmitting signal using slip ling |
| CN104733969A (en) * | 2015-04-08 | 2015-06-24 | 深圳市晶沛电子有限公司 | Cap type slip ring |
| CN204669516U (en) * | 2015-06-01 | 2015-09-23 | 杭州全盛机电科技有限公司 | A kind of high definition slip ring structure transmitting multi-path high-definition signal |
| CN106374222A (en) * | 2016-10-31 | 2017-02-01 | 西安坤蓝电子技术有限公司 | Finite rotation device of mobile satellite communication antenna and control method of finite rotation device |
| CN206850024U (en) * | 2017-03-10 | 2018-01-05 | 深圳市偲诺电子科技有限公司 | Rotor assembly, slip ring and the boat-carrying communication in moving of slip ring |
Non-Patent Citations (2)
| Title |
|---|
| 徐润华.基于车载旋转平台的光通信系统实现.《中国优秀硕士学位论文全文数据库信息科技辑》.2011,(第undefined期),全文. * |
| 李建军.一种差动汇流环的设计方法.无线电工程.2005,(02),全文. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106848586A (en) | 2017-06-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106848586B (en) | Rotor assembly of slip ring, slip ring and ship-borne communication-in-motion device | |
| US20200287280A1 (en) | Transmission Device And Antenna Down-Tilt Control System | |
| EP3952561A1 (en) | Method for transmitting or receiving data channel in wireless communication system, and apparatus therefor | |
| WO2009134360A1 (en) | Cabling having shielding separators | |
| JP2002280240A (en) | Rotary noncontact type connector and non-rotary noncontact type connector | |
| CN106788611B (en) | Rotary communication device based on magnetic field coupling | |
| CN205303906U (en) | Miniaturized novel compound collector ring | |
| CN104535092A (en) | Servo motor encoder and signal generating method | |
| CN206850024U (en) | Rotor assembly, slip ring and the boat-carrying communication in moving of slip ring | |
| CN106464013A (en) | Power supply system | |
| EP3404778B1 (en) | Conductive ring assembly, conductive device and wind turbine | |
| CN102142649A (en) | Electric signal transmission device for rotary mechanism and automatic levelling detector | |
| CN112564310A (en) | Nested multi-channel wireless energy signal synchronous transmitting mechanism with electric brush | |
| CN211789913U (en) | Multilayer nested formula photoelectricity rotation transmission device | |
| CN102790336B (en) | A kind of conducting slip ring | |
| WO2021008623A1 (en) | Rotating signal transmission mechanism and unmanned aerial vehicle gimbal | |
| CN210692165U (en) | Waterproof cable | |
| WO2018008375A1 (en) | Rotary connector | |
| US7887333B1 (en) | Conformal slip ring system | |
| CN209505829U (en) | Rotary connector for steering wheel multifunction push key and steering disc vibration | |
| CN204423942U (en) | A kind of fire-resisting cable | |
| CN113258962B (en) | Signal transmission method of multi-channel wireless slip ring and wireless slip ring transmission system | |
| CN220857168U (en) | Multilayer rotary photoelectric connector | |
| CN107577036B (en) | Wire coiling mechanism | |
| CN111416252B (en) | Multilayer nested photoelectric rotary transmission device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |