CN115864085B - Rotary conductive device - Google Patents
Rotary conductive device Download PDFInfo
- Publication number
- CN115864085B CN115864085B CN202310148521.0A CN202310148521A CN115864085B CN 115864085 B CN115864085 B CN 115864085B CN 202310148521 A CN202310148521 A CN 202310148521A CN 115864085 B CN115864085 B CN 115864085B
- Authority
- CN
- China
- Prior art keywords
- conductive
- rotating
- rotating part
- ball
- rotary
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 12
- 239000000919 ceramic Substances 0.000 claims description 10
- 239000004744 fabric Substances 0.000 claims description 9
- 230000033001 locomotion Effects 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 238000012546 transfer Methods 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 229910001339 C alloy Inorganic materials 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Images
Landscapes
- Transmission Devices (AREA)
Abstract
The invention discloses a rotary conductive device, which is used for transmitting electric energy between a rotating part and a static part; the rotary conductive device comprises a rotary part and a fixed part. The rotating part is connected with the rotating part, the rotating part is provided with a first conduction structure and a first ball structure, and the rotating part is connected with the first ball structure through the first conduction structure. The fixed part is connected with the static component, the rotating part is rotationally connected with the fixed part and is limited to rotate at a fixed position, and the fixed part is provided with a second conduction structure; a first conductive part is arranged on the fixed part between the rotating part and the fixed part, and the static component is connected with the first conductive part through a second conduction structure. Wherein, when the rotating part rotates, the first ball structure keeps rolling contact with the first conductive part, so that the rotating part and the static part are kept electrically connected. The invention has stable and reliable structure, and can effectively replace the slip ring to transfer electric energy between the rotating part and the static part, thereby avoiding the problem of friction loss of the slip ring.
Description
Technical Field
The invention relates to the technical field of conductive devices, in particular to a rotary conductive device.
Background
In the natural environment, a large amount of renewable mechanical energy easy to convert exists, the rotary motion is taken as a basic mechanical motion, and the conversion and collection of the basic mechanical motion are common renewable mechanical energy utilization means. Wherein the rotational energy harvesting device is a device for harvesting rotational mechanical energy.
In prior art rotational energy harvesting devices, the slip ring is typically mounted at the center of rotation of the device. In operation, the slip ring transfers electrical energy between the rotating and stationary components using rolling or sliding contact, electrostatic coupling, or electromagnetic coupling of the first conductive component.
The current slip ring device consists of an electric brush and a conductive slip ring, adopts a structure that a carbon brush abuts against a copper ring, and has the function limited to the transmission of large current. Moreover, a large amount of carbon alloy powder is generated due to friction of the parts, the friction loss problem exists in the parts, the carbon brush needs to be cleaned and replaced regularly, and the reliability problem and the service life problem generally exist.
Disclosure of Invention
The embodiment of the invention provides a rotary conductive device, which aims to solve the technical problems that in the prior art, a slip ring device generates a large amount of carbon alloy powder due to friction of components, friction loss exists in the components, and carbon brushes need to be cleaned and replaced regularly.
In order to solve the above technical problems, in one aspect, an embodiment of the present invention provides a rotary conductive device for transmitting electric energy between a rotating member and a stationary member; the rotary conduction device includes:
the rotating part is connected with the rotating part, a first conduction structure and a first ball structure are arranged on the rotating part, and the rotating part is connected with the first ball structure through the first conduction structure; and
the fixed part is connected with the static component, the rotating part is rotationally connected with the fixed part and is limited to rotate at a fixed position, and a second conduction structure is arranged on the fixed part; a first conductive part is arranged on the fixed part between the rotating part and the fixed part, and the static component is connected with the first conductive part through the second conduction structure;
wherein, when the rotating part rotates, the first ball structure keeps rolling contact with the first conductive part, so that the rotating part and the static part are electrically connected.
In some embodiments, a third conducting structure and a second ball structure are further arranged on the rotating part, and the rotating part is connected with the second ball structure through the third conducting structure; a second conductive part is further arranged between the rotating part and the fixed part on the fixed part, a fourth conduction structure is further arranged on the fixed part, and the static component is connected with the second conductive part through the fourth conduction structure;
wherein, when the rotating part rotates, the second ball structure keeps rolling contact with the second conductive part, so that the rotating part and the static part are electrically connected.
In some embodiments, the rotating portion has a rotational connection disposed on a rotational axis thereof;
the first conduction structure is arranged on the front end face of the rotating part and is positioned on the outer side of the rotating connecting part, and the first ball structure is arranged on the side end of the rotating part;
the third conducting structure is arranged at the front end of the rotary connecting part, and the second ball structure is arranged at the rear end of the rotary connecting part.
In some embodiments, the first conductive structure includes an aperture;
the first ball structure comprises a first screw and a first ball, a first screw hole is formed in the rotating portion, the first screw hole is communicated with the open hole and extends to the side end of the rotating portion along the radial direction of the rotating portion, the first screw is in threaded connection with the first screw hole, and the first ball is in rotary connection with the tail end of the first screw and protrudes out of the side end of the rotating portion.
In some embodiments, the annular first conductive portion is laid on the fixed portion and arranged along a movement locus of the first ball.
In some embodiments, the second conductive structure includes a first lead-out hole, an inner end of the first lead-out hole is connected to the first conductive portion, and an outer end of the first lead-out hole is exposed from the fixing portion.
In some embodiments, the third conducting structure includes a jack provided at a front end of the rotation connection part and extending in an axial direction of the rotation part;
the second ball structure comprises a second screw rod and a second ball, a second screw hole is formed in the rear end of the rotation connecting portion, the second screw hole is communicated with the insertion hole and extends along the axial direction of the rotation portion, the second screw rod is in threaded connection with the second screw hole, and the second ball is in rotary connection with the tail end of the second screw rod and protrudes out of the rear end of the rotation connecting portion.
In some embodiments, the fourth conducting structure comprises a concave hole and a second guiding hole, the concave hole is arranged on one side of the fixed part facing the rotating part, the second ball is matched with the concave hole, the inner side end of the second guiding hole is communicated with the concave hole, and the outer side end of the second guiding hole is exposed out of the fixed part;
the second conductive part is laid in the concave hole and is attached to the inner wall of the concave hole.
In some embodiments, the first conductive portion and/or the second conductive portion is a conductive cloth.
In some embodiments, a ceramic bearing is fixed on the fixed part, and the rotating part is rotationally connected with the fixed part through the ceramic bearing.
The embodiment of the invention has the following beneficial effects: the rotary conductive device realizes the function of transmitting electric energy between the rotating part and the static part by utilizing the rolling contact between the first ball structure and the first conductive part, so that the rotary conductive device has stable and reliable structure, can effectively replace a slip ring to transmit electric energy between the rotating part and the static part, and further avoids the problem of friction loss of the slip ring.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of a rotary conductive device according to the present invention;
FIG. 2 is a cross-sectional view taken along line A-A shown in FIG. 1;
FIG. 3 is a top view of a second embodiment of a rotary conduction device of the invention;
fig. 4 is a schematic structural view of the rotating part in fig. 3.
Reference numerals illustrate:
100. a rotating part; 110. a first conductive structure; 120. a first ball structure; 121. a first screw; 122. a first ball; 130. a third conductive structure; 140. a second ball structure; 141. a second screw; 142. a second ball; 150. a rotary connection part; 160. a first screw hole; 170. a second screw hole; 200. a fixing part; 210. a second conductive structure; 220. a first conductive portion; 230. a second conductive portion; 240. a fourth conductive structure; 241. concave holes; 242. a second lead-out hole; 250. a ceramic bearing.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present invention more apparent. It is only stated that the terms of orientation such as up, down, left, right, front, back, inner, outer, etc. used in this document or the imminent present invention, are used only with reference to the drawings of the present invention, and are not meant to be limiting in any way.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The description as it relates to "first", "second", etc. in the present invention is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.
In one embodiment of the present invention, as shown in fig. 1 and 2, a rotary conductive device is provided for transferring electrical energy between a rotating member and a stationary member. The rotary conductive device includes a rotary part 100 and a fixed part 200. Alternatively, the rotating part 100 is a rotating disk. The fixing portion 200 is a fixing base made of a resin material. The rotating part 100 is disposed in the fixing part 200 such that the fixing part 200 provides external protection for the rotating part 100, protecting the rotating part 100 from the external environment when it moves.
The rotating part 100 is connected with a rotating member, the rotating part 100 is provided with a first conducting structure 110 and a first ball structure 120, and the rotating member is connected with the first ball structure 120 through the first conducting structure 110.
The fixing portion 200 is connected to the stationary member, the rotating portion 100 is rotatably connected to the fixing portion 200 and is restricted from rotating at a fixed position, and the fixing portion 200 is provided with a second conductive structure 210. A first conductive part 220 is provided on the fixed part 200 between the rotating part 100 and the fixed part 200, and the stationary member is connected to the first conductive part 220 through a second conductive structure 210.
Wherein, when the rotating part 100 rotates, the first ball structure 120 maintains rolling contact with the first conductive part 220, so that the rotating part and the stationary part are electrically connected.
The rotary conductive device realizes the function of transmitting electric energy between the rotating part and the static part by utilizing the rolling contact between the first ball structure 120 and the first conductive part 220, so the rotary conductive device has the advantages of stable and reliable structure, easy integration, high energy transmission efficiency, high matching degree, good compatibility, high reliability, low maintenance cost and the like, can effectively replace a slip ring to transmit electric energy between the rotating part and the static part, and further avoids the problem of slip ring friction loss.
In some embodiments, as shown in fig. 2, a ceramic bearing 250 is fixed on the fixed part 200, and the rotating part 100 is rotatably connected to the fixed part 200 through the ceramic bearing 250. Ceramic bearing 250 has the advantages of corrosion resistance, long life, and temperature difference resistance over conventional metal bearings, which also makes rotation of rotating portion 100 smoother. Specifically, the rotation connection part 150 is connected to an inner ring of the ceramic bearing 250, and an outer ring of the ceramic bearing 250 is connected to the fixing part 200.
In some embodiments, as shown in fig. 2, a third conducting structure 130 and a second ball structure 140 are further provided on the rotating part 100, and the rotating part is connected to the second ball structure 140 through the third conducting structure 130. A second conductive part 230 is further disposed between the rotating part 100 and the fixing part 200 on the fixing part 200, a fourth conductive structure 240 is further disposed on the fixing part 200, and the stationary member is connected to the second conductive part 230 through the fourth conductive structure 240.
Wherein, when the rotating part 100 rotates, the second ball structure 140 maintains rolling contact with the second conductive part 230, so that the rotating part and the stationary part are electrically connected.
The present invention provides two power transmission paths, specifically a first power transmission path that sequentially passes through the first conductive structure 110, the first ball structure 120, the first conductive portion 220, and the second conductive structure 210, and a second power transmission path that sequentially passes through the third conductive structure 130, the second ball structure 140, the second conductive portion 230, and the fourth conductive structure 240. The two electric energy transmission paths are convenient to realize maximum compatibility under different energy sources.
Further, as shown in fig. 2, the rotating part 100 has a rotation connection part 150 provided on the rotation axis thereof, and the rotating part 100 rotates around the rotation connection part 150. The first conducting structure 110 is disposed on the front end surface of the rotating portion 100 and located outside the rotation connecting portion 150, and the first ball structure 120 is disposed on the side end of the rotating portion 100. The third conducting structure 130 is disposed at the front end of the rotation connection portion 150, and the second ball structure 140 is disposed at the rear end of the rotation connection portion 150.
Wherein the first conducting structure 110 is used for conducting with the conducting wire on the rotating component. The third conductive structure 130 is used for being conductive with the rotating shaft on the rotating member.
In some embodiments, as shown in fig. 2-4, the first conductive structure 110 includes an opening. Alternatively, the aperture is a square aperture, but is not limited to the above-described shape.
The first ball structure 120 includes a first screw 121 and a first ball 122, and optionally, in order to achieve electrical conduction, the first screw 121 is a metal screw, and the first ball 122 is a steel ball, but is not limited to the above materials. The rotating part 100 is provided with a first screw hole 160, the first screw hole 160 is communicated with the opening and extends to the side end of the rotating part 100 along the radial direction of the rotating part 100, the first screw rod 121 is in threaded connection with the first screw hole 160, and the first ball 122 is rotatably connected to the tail end of the first screw rod 121 and protrudes out of the side end of the rotating part 100.
The electric energy generated by the external structure is transferred to the wire, which is held relatively stationary with respect to the rotating part 100, and the wire is not easily broken by the rotational influence, and is conducted to the first ball 122 through the opening and the first screw 121 installed in the first screw hole 160.
In some embodiments, as shown in fig. 2 and 3, in order to maintain the first ball 122 in rolling contact with the first conductive part 220, the annular first conductive part 220 is laid on the fixed part 200 and arranged along the movement trace of the first ball 122. Generally, the movement track of the first ball 122 is circular, i.e. the first conductive portion 220 is circular. And the first ball 122 may roll on the surface of the first conductive part 220.
In some embodiments, the second conductive structure 210 includes a first guiding hole, and an inner end of the first guiding hole is connected to the first conductive portion 220 and an outer end of the first guiding hole is exposed to the fixing portion 200, specifically, exposed to a side surface of the fixing portion 200, but is not limited to the above position. A first wire is arranged between the first conductive cloth and the fixing portion 200, and the first wire is led out of the fixing portion 200 through the first guiding-out hole.
In some embodiments, as shown in fig. 2 to 4, the third conductive structure 130 includes a receptacle provided at a front end of the rotation connection part 150 and extending in an axial direction of the rotation part 100. The insertion hole is used for inserting a rotating shaft on the rotating component.
The second ball structure 140 includes a second screw 141 and a second ball 142, and optionally, in order to achieve electrical conduction, the second screw 141 is a metal screw, and the second ball 142 is a steel ball, but is not limited to the above materials. The rear end of the rotation connection part 150 is provided with a second screw hole 170, the second screw hole 170 communicates with the insertion hole and extends in the axial direction of the rotation part 100, the second screw 141 is screw-coupled to the second screw hole 170, and the second ball 142 is rotatably coupled to the end of the second screw 141 and protrudes out of the rear end of the rotation connection part 150.
Further, as shown in fig. 2, the fourth conducting structure 240 includes a concave hole 241 and a second guiding hole 242, the concave hole 241 is disposed on a side of the fixing portion 200 facing the rotating portion 100, the second ball 142 is matched with the concave hole 241, and an inner side end of the second guiding hole 242 is communicated with the concave hole 241 and an outer side end thereof is exposed to the fixing portion 200, specifically, exposed to a side surface of the fixing portion 200, but is not limited to the above position. The second conductive part 230 is laid in the concave hole 241 and attached to the inner wall of the concave hole 241.
The second screw 141 is in communication with the rotational shaft in the socket and transmits electric power to the second conductive part 230 through the second ball 142. A second wire is disposed between the second conductive part 230 and the inner wall of the concave hole 241, and the second wire is led out of the fixed part 200 through the second lead-out hole 242, so that the second wire can replace the slip ring to transfer the electric energy generated by the external rotating structure to the outside of the structure, thereby realizing the function of transferring the electric energy between the rotating part and the stationary part.
Optionally, the recess 241 is a hemispherical recess 241 so as to mate with the second ball 142. The second conductive part 230 has a shape of a hemispherical surface so as to be fitted with the inner wall of the hemispherical concave hole 241. The second balls 142 may roll on the surface of the second conductive part 230.
In some embodiments, the first conductive portion 220 and/or the second conductive portion 230 are conductive cloths. Alternatively, the conductive fabric is made of a fiber fabric (generally polyester fiber fabric) as a base material, and is subjected to pretreatment and then is subjected to electroplating metal plating to have metal characteristics, so that the conductive fabric is formed. The conductive cloth is made of flexible materials, is convenient to cut into a required shape, and is convenient to lay to a preset position. The first ball 122 and/or the second ball 142 are less worn and do not generate a large amount of carbon alloy powder due to friction of the components when in rolling contact with the conductive cloth.
While the foregoing is directed to the preferred embodiments of the present invention, it will be appreciated by those skilled in the art that changes and modifications may be made without departing from the principles of the invention, such changes and modifications are also intended to be within the scope of the invention.
Claims (7)
1. A rotary conductive device for transferring electrical energy between a rotating component and a stationary component; characterized in that the rotary conduction device comprises:
the rotating part is connected with the rotating part, the rotating part is provided with a first conduction structure and a first ball structure, the rotating part is connected with the first ball structure through the first conduction structure, the first ball structure comprises a first screw rod and a first ball, the rotating part is provided with a first screw hole, the first conduction structure comprises an opening, the first screw hole is communicated with the opening and extends to the side end of the rotating part along the radial direction of the rotating part, the first screw rod is in threaded connection with the first screw hole, and the first ball is in rotary connection with the tail end of the first screw rod and protrudes out of the side end of the rotating part; and
the fixed part is connected with the static component, the rotating part is rotationally connected with the fixed part and is limited to rotate at a fixed position, and a second conduction structure is arranged on the fixed part; a first conductive part is arranged on the fixed part between the rotating part and the fixed part, and the static component is connected with the first conductive part through the second conduction structure;
wherein, when the rotating part rotates, the first ball structure keeps rolling contact with the first conductive part so as to keep the rotating part and the static part electrically connected;
the rotating part is also provided with a third conduction structure and a second ball structure, and the rotating part is connected with the second ball structure through the third conduction structure; a second conductive part is further arranged between the rotating part and the fixed part on the fixed part, a fourth conduction structure is further arranged on the fixed part, and the static component is connected with the second conductive part through the fourth conduction structure;
wherein, when the rotating part rotates, the second ball structure keeps rolling contact with the second conductive part so as to keep the rotating part and the static part electrically connected;
the rotating part is provided with a rotating connecting part arranged on the rotating axis of the rotating part;
the first conduction structure is arranged on the front end face of the rotating part and is positioned on the outer side of the rotating connecting part, and the first ball structure is arranged on the side end of the rotating part;
the third conducting structure is arranged at the front end of the rotary connecting part, and the second ball structure is arranged at the rear end of the rotary connecting part; the third conducting structure comprises a jack, the jack is arranged at the front end of the rotating connecting part and extends along the axial direction of the rotating part, and the jack is used for being inserted into a rotating shaft on the rotating part.
2. The rotary electric device of claim 1, wherein the annular first conductive portion is laid on the fixed portion and arranged along a movement locus of the first ball.
3. The rotary conductive device of claim 1, wherein the second conductive structure comprises a first lead-out hole, an inner end of the first lead-out hole being connected to the first conductive portion and an outer end thereof being exposed to the fixing portion.
4. The rotary electric device of claim 1, wherein the second ball structure comprises a second screw and a second ball, the rear end of the rotary connecting portion is provided with a second screw hole, the second screw hole is communicated with the insertion hole and extends along the axial direction of the rotary portion, the second screw is screwed with the second screw hole, and the second ball is rotatably connected to the tail end of the second screw and protrudes out of the rear end of the rotary connecting portion.
5. The rotary conductive device according to claim 4, wherein the fourth conductive structure comprises a concave hole and a second guiding hole, the concave hole is arranged on one side of the fixed part facing the rotating part, the second ball is matched with the concave hole, the inner side end of the second guiding hole is communicated with the concave hole, and the outer side end of the second guiding hole is exposed out of the fixed part;
the second conductive part is laid in the concave hole and is attached to the inner wall of the concave hole.
6. The rotary conductive device of claim 1, wherein the first conductive portion and/or the second conductive portion is a conductive cloth.
7. The rotary electric device of claim 1, wherein a ceramic bearing is fixedly arranged on the fixed part, and the rotary part is rotatably connected with the fixed part through the ceramic bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310148521.0A CN115864085B (en) | 2023-02-22 | 2023-02-22 | Rotary conductive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310148521.0A CN115864085B (en) | 2023-02-22 | 2023-02-22 | Rotary conductive device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115864085A CN115864085A (en) | 2023-03-28 |
| CN115864085B true CN115864085B (en) | 2023-06-27 |
Family
ID=85658672
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310148521.0A Active CN115864085B (en) | 2023-02-22 | 2023-02-22 | Rotary conductive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115864085B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7204100U (en) * | 1971-02-08 | 1972-04-20 | Skf Ind Trad And Dev Co Nv | |
| JP6232335B2 (en) * | 2014-04-21 | 2017-11-15 | 株式会社グローブ・テック | Rotary joint |
| DE102015223531A1 (en) * | 2015-11-27 | 2017-06-01 | Siemens Aktiengesellschaft | Superconducting roller bearing and rolling bearing assembly |
| WO2020232646A1 (en) * | 2019-05-21 | 2020-11-26 | 富创科技(江西)有限公司 | Rotary conductive device |
| CN114877918A (en) * | 2022-05-16 | 2022-08-09 | 中北大学 | An integrated self-powered sensing device |
-
2023
- 2023-02-22 CN CN202310148521.0A patent/CN115864085B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN115864085A (en) | 2023-03-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP3174578U (en) | Fluid application container for large diameter slip rings | |
| CN201360094Y (en) | Four-terminal slip ring | |
| CN213243075U (en) | Variable-pitch conductive slip ring | |
| CN115864085B (en) | Rotary conductive device | |
| CN112054360B (en) | Ultrathin high-current rotary transmission device and installation method thereof | |
| CN108869201B (en) | Lightning protection devices and wind turbines | |
| CN110838660A (en) | High-speed long-life rotary electric connector | |
| CN110739595A (en) | Rotary electric conduction device and wind driven generator | |
| CN117060179A (en) | Conductive slip ring structure with self-adjusting brush pressure | |
| US8110936B2 (en) | Power transmission apparatus for wind power generation and wind power generator using the same | |
| CN212725899U (en) | Wind-powered electricity generation ring installation switching device | |
| CN200987033Y (en) | Circular distributor ring | |
| CN217215423U (en) | 360-degree unlimited rotary conductive slip ring | |
| CN116885896A (en) | Current collectors and wind turbines | |
| CN218206915U (en) | Current collector | |
| CN216625466U (en) | Motor and power assembly | |
| CN105529587B (en) | Motor and current conduction device thereof | |
| CN211063016U (en) | Conductive slip ring and camera shooting assembly with same | |
| CN212587829U (en) | Current collector with rotary support structure | |
| CN114122840A (en) | A wireless power transmission rotary connector | |
| KR101433765B1 (en) | Non-contact slip-ring type motor | |
| CN219833269U (en) | An electric slip ring for transmitting loads and signals | |
| CN115360559A (en) | Conductive slip ring, household equipment and chair | |
| CN217036270U (en) | Universal electronic slip ring | |
| CN217334620U (en) | Rotary power 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 |