CN107658668B - A kind of rotary conductive device - Google Patents
A kind of rotary conductive device Download PDFInfo
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- CN107658668B CN107658668B CN201710691248.0A CN201710691248A CN107658668B CN 107658668 B CN107658668 B CN 107658668B CN 201710691248 A CN201710691248 A CN 201710691248A CN 107658668 B CN107658668 B CN 107658668B
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- conducting rod
- liquid metal
- cup lid
- cup
- workpiece
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- 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
- H01R39/64—Devices for uninterrupted current collection
- H01R39/646—Devices for uninterrupted current collection through an electrical conductive fluid
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Abstract
The present invention provides a kind of rotary conductive device, and described device includes: cup body, and liquid metal is equipped in the cup body, and the cup base is provided with the first terminals, and first terminals are for connecting the first workpiece；Conducting rod, the conducting rod are used for transmission electric energy, and the conducting rod bottom end is placed in the liquid metal, and the conducting rod top is provided with the second terminals, and second terminals are for connecting second workpiece.A kind of rotary conductive device provided by the invention, by the way that cup body and conducting rod are connect with different workpieces respectively, and conducting rod bottom end is placed in liquid metal, the electric energy transmitted in conducting rod is passed to by cup body by liquid metal, and then realize the electric energy transmission between the workpiece under different working condition.Also, the present invention is by using the mode of liquid metal conduction, so that described device conduction high reliablity, easy to maintain and be easily changed accessory.
Description
Technical field
The present invention relates to electrical structure apparatus fields, more particularly, to a kind of rotary conductive device.
Background technique
It is between electrical structure apparatus field, each electric component to have wanting for the polynary relative motion such as revolution, rotation more
It asks, i.e., the workpiece of 360 ° continuous rotations needs to transmit energy to another static or workpiece without synchronous rotation simultaneously
Or signal.The movement of electric component needs the offer of the energy, such as electric energy, the Fluid pressure energy.
In the circuit connection structure of slewing, wiring problem will affect beam conduction and the use of equipment more.In phase
When being electrically connected to two electrical components of rotation, by existing conductor connections, it will lead to two electrical components and exist
When relative rotation on the rotating shaft by conducting wire winding, or even can cut with scissors disconnected conducting wire causes circuit to disconnect influence normal use.
Transfer function power supply, weak electric signal, optical signal, gas are needed between the electric component of any opposite 360 ° of continuous rotation
The different energy sources medium such as pressure, hydraulic pressure and oil pressure, with ensure electric component in rotary motion can also free movement electromechanical equipment,
Rotational communication device must all be used.
For transmitting electric energy, traditional electric slip ring, mercury slip ring is mostly used to solve the conductivity issues of rotational workpieces at present.
Traditional electric slip ring abuts the technology of copper ring using carbon brush, its shortcoming is that being confined to transmission high current, and the generation that can rub
A large amount of carbon dusts need periodic cleaning or replacement carbon brush.Mercury slip ring, which changes conducting medium, makees mercury, but the coefficient of expansion of mercury
Greatly, volatile and toxic, so having very high requirement, and current mercury to the design of operating temperature and sealing device
Slip ring is mostly disposable, and mercury just needs replacing device after slowly volatilizing.
Summary of the invention
The present invention is to solve the prior art for needing often to clear up in the electric energy transmission process between the workpiece of relative rotation
In the middle part of electric installation or replacement electric installation the problem of distribution member, a kind of rotary conductive device is provided.
According to an aspect of the present invention, a kind of rotary conductive device is provided, described device includes: cup body, the cup body
In be equipped with liquid metal, the cup base is provided with the first terminals, and first terminals are for connecting the first workpiece；It leads
Electric pole, the conducting rod are used for transmission electric energy, and the conducting rod bottom end is placed in the liquid metal, and the conducting rod top is set
The second terminals are equipped with, second terminals are for connecting second workpiece.
Preferably, described device further include: cup lid, the medial surface of the cup lid bottom are provided with the first screw thread, the cup
Lateral surface at the top of body is provided with the second screw thread, the cup lid and the cup body and passes through first screw thread and second screw thread
Cooperation and connect.
Preferably, the lateral surface at the top of the cup lid is provided with retainer ring, and the lateral surface of the retainer ring is provided with third screw thread,
It is connect by the third screw thread with connecting rod at the top of the cup lid, the connecting rod is hollow with the structure that the cup lid forms
Structure, the conducting rod pass through the hollow structure.
Preferably, the structure of the cup lid and connecting rod composition is hollow structure, and the conducting rod passes through in described
Hollow structure.
Preferably, convex structure is provided on the conducting rod.
Preferably, described device further include: sealing ring, the sealing ring are located at the convex structure lower edge of the conducting rod
Between the cup lid, for sealing described device.
Preferably, the conducting rod bottom end is plate-like.
Preferably, the liquid metal is gallium base liquid metal alloy, bismuthino liquid metal alloy, the conjunction of indium base liquid metal
One of gold and tinbase liquid metal alloy are a variety of.
Preferably, the cup body is made with the cup lid of bronze.
Preferably, the conducting rod is made of red copper.
Preferably, convex structure is provided on the conducting rod；Described device further includes sealing ring, the sealing ring position
Between the convex structure lower edge and the cup lid of the conducting rod, for sealing described device；The conducting rod bottom end is
Plate-like；The liquid metal is gallium base liquid metal alloy, bismuthino liquid metal alloy, indium base liquid metal alloy and tinbase liquid
One of state metal alloy is a variety of；The cup body is made with the cup lid of bronze；The conducting rod is made of red copper.
A kind of rotary conductive device provided by the invention, by the way that cup body and conducting rod are connect with different workpieces respectively, and
Conducting rod bottom end is placed in liquid metal, the electric energy transmitted in conducting rod is passed to by cup body, Jin Ershi by liquid metal
Electric energy transmission between workpiece under existing different working condition.Also, the embodiment of the present invention is by using the side of liquid metal conduction
Formula, so that described device conduction high reliablity, easy to maintain and be easily changed accessory.
Detailed description of the invention
Fig. 1 is provides a kind of structural schematic diagram of rotary conductive device according to the embodiment of the present invention；
Fig. 2 is provides a kind of cup lid structure schematic diagram of rotary conductive device according to the embodiment of the present invention；
Fig. 3 is according to a kind of structural schematic diagram of rotary conductive device provided in an embodiment of the present invention；
Wherein, appended drawing reference are as follows:
1- cup body；2- liquid metal；3- cup lid；
4- sealing ring；5- connecting rod；6- conducting rod；
The first terminals of 7-；The second terminals of 8-.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
Fig. 1 is provides a kind of structural schematic diagram of rotary conductive device according to the embodiment of the present invention, as shown in Figure 1, described
Device includes: cup body 1, is equipped with liquid metal 2 in the cup body 1, and the cup base is provided with the first terminals 7, and described
One terminals 7 are for connecting the first workpiece；Conducting rod 6, the conducting rod 6 are used for transmission electric energy, and the conducting rod bottom end is placed in
In the liquid metal 2, the conducting rod top is provided with the second terminals 8, and second terminals 8 are for connecting the second work
Part.
Specifically, a kind of rotary conductive device provided in an embodiment of the present invention, cup body 1 are in hollow container-like, juxtaposition
There is liquid metal 2.Liquid metal 2 is a kind of indefinite form metal being in a liquid state at room temperature, liquid metal 2 be with mobility,
The low melting point of many good characteristics such as good electric conductivity, high-termal conductivity, high magnetic permeability, low-loss and excellent biocompatibility
Metal and its alloy, such as gallium, bismuth, indium and gallium-base alloy, bismuth-base alloy, indium-base alloy.
Specifically, conducting rod 6 is generally mounted to transformer top, for transformer coil lead-out wire to be connect with outside line,
Conducting rod can be divided into brass conductive bar and red copper conducting rod by material, and conducting rod 6 can be divided into high-voltage conductive rod and low pressure by purposes
Conducting rod.Conducting rod bottom end in the embodiment of the present invention comes into full contact with liquid metal 2, and by liquid metal 2, by conducting rod
The electric energy transmitted in 6 is transmitted to cup body 1.
Specifically, cup base is provided with the first terminals 7, and conducting rod top is provided with the second terminals 8.First wiring
End 7 is connect by cable with the first workpiece, and the second terminals 8 are connect by cable with second workpiece.The present embodiment is with the second work
Part is illustrated for transmitting electric energy to the first workpiece come realization principle transmit to electric energy: second workpiece passes through the second terminals
Electric energy is transmitted to conducting rod 6 by 8, and conducting rod 6 is transmitted to cup body 1 by liquid metal 2, by electric energy, and cup body 1 passes through its bottom end
Electric energy is transmitted to the first workpiece by the first terminals 7.Wherein, terminals are in order to facilitate conducting wire for realizing electrical connection
A kind of aftermarket product of connection and application.
Specifically, the first workpiece and second workpiece mentioned in above-described embodiment are not belonging to provided in an embodiment of the present invention one
The component of kind of rotating device, and be only merely a kind of rotating device provided in an embodiment of the present invention be applied to it is specific electrical
Equipment.
Specifically, the working condition of the first workpiece and second workpiece in above-described embodiment can be following four mode:
First workpiece is rotated with second workpiece, but the rotation speed of the two is different, i.e. the asynchronous rotation of the two；First workpiece and second
Workpiece rotates, and the rotation speed of the two is identical, i.e. the two synchronous rotary；A Fang Xuanzhuan in first workpiece and second workpiece,
Another party is static；First workpiece and second workpiece are static.
It should be noted that electric energy transmission process be it is mutual, i.e. second workpiece can transmit electric energy to the first workpiece, the
One workpiece can also transmit electric energy to second workpiece, and the present embodiment is only carried out so that second workpiece transmits electric energy to the first workpiece as an example
Illustrate, however, it is not limited to this.
A kind of rotary conductive device provided in an embodiment of the present invention, by by cup body 1 and conducting rod 6 respectively with different workpieces
Connection, and conducting rod bottom end is placed in liquid metal 2, the electric energy transmitted in conducting rod 6 is passed to by cup by liquid metal 2
Body, and then realize the electric energy transmission between the workpiece under different working condition.Also, the embodiment of the present invention is by using liquid metal
Conductive mode, so that described device conduction high reliablity, easy to maintain and be easily changed accessory.
Based on the above embodiment, a kind of rotary conductive device is further described in the present embodiment, and Fig. 2 is according to this hair
The structural schematic diagram of the cup lid for a kind of rotary conductive device that bright embodiment provides, as shown in Fig. 2, described device further include: cup
Lid 3, the medial surface of the cup lid bottom are provided with the first screw thread, and the lateral surface of the cup top is provided with the second screw thread, institute
It states cup lid 3 and is connect by first screw thread with the cooperation of second screw thread with the cup body 1.
Specifically, cup lid 3 can be in the funnelform tubular construction that stands upside down, and the thicker tubular portion of the tubular construction is cup
The medial surface in base portion, the cup lid bottom is provided with the first screw thread.Cup body 1 can in upright funnelform tubular construction,
The thicker tubular portion of the tubular construction is cup top, and the lateral surface of the cup top is provided with the second screw thread.Cup lid 3 with
Cup body 1 is connect by the first screw thread with the cooperation of the second screw thread.It should be noted that cup lid 3 can also be as needed with cup body 1
It is set as other shapes, the embodiment of the present invention is not construed as limiting this.
Based on the above embodiment, a kind of rotary conductive device is further described in the present embodiment, herein with reference to Fig. 3,
Fig. 3 is the lateral surface according to a kind of structural schematic diagram of rotary conductive device provided in an embodiment of the present invention, at the top of the cup lid
Be provided with retainer ring, the lateral surface of the retainer ring is provided with third screw thread, at the top of the cup lid by the third screw thread with connect
Bar 5 connects, and the structure of the connecting rod 5 and the cup lid 3 composition is hollow structure, and the conducting rod 6 passes through the hollow knot
Structure.
Specifically, cup lid 3 is in the funnelform tubular construction that stands upside down, and the relatively thin tube-like part of the tubular construction is cup lid top
Portion, convex structure at the top of the cup lid, the lateral surface at the top of the cup lid are provided with retainer ring, and the lateral surface of the retainer ring is set
It is equipped with third screw thread.It is connect by the third screw thread with connecting rod 5 at the top of the cup lid.
Specifically, first through hole built in the cup lid 3, the second through-hole built in the connecting rod 5, the first through hole and
Two through-holes form through-hole and integrate, and the through-hole is integrated to may make the conducting rod 6 to pass through, and the conducting rod 6 is integrated across through-hole
And it can be freely rotated in through-hole is integrated.
A kind of rotary conductive device provided in an embodiment of the present invention, it is common to complete by the way that cup lid 3 to be connect with connecting rod 5
Positioning to conducting rod 6.
Based on the above embodiment, a kind of rotary conductive device is further described in the present embodiment, on the conducting rod 6
It is provided with convex structure.
Specifically, the conducting rod 6 in the present embodiment is in inverted T font, including rotating part and contact portion, wherein contact portion
The as described conducting rod bottom end, for being contacted with liquid metal 2 and transmitting electric energy；Rotating part can rotate simultaneously in through-hole is integrated
Contact portion is driven to rotate simultaneously, the rotating part of the conducting rod 6 is provided with convex structure, when the conducting rod bottom end is placed in institute
When stating in liquid metal 2, the convex structure of the conducting rod 6 is located exactly in the convex structure at the top of the cup lid.
Convex knot is arranged by the rotating part in conducting rod 6 in a kind of rotary conductive device provided in an embodiment of the present invention
Structure, and in the convex structure for being located exactly at the convex structure of conducting rod 6 at the top of the cup lid, so that conducting rod 6 is matched
The convex structure at the top of cup lid is closed to be positioned.
Based on the above embodiment, a kind of rotary conductive device is further described in the present embodiment, herein with reference to Fig. 3,
Described device further include: sealing ring 4, the sealing ring 4 be located at the conducting rod convex structure lower edge and the cup lid 3 it
Between, for sealing described device.
A kind of rotary conductive device provided in an embodiment of the present invention passes through the convex structure lower edge and cup in conducting rod 6
Sealing ring 4 is set between lid 3, so that the convex structure when conducting rod 6 is located exactly at the convex structure at the top of the cup lid
When middle, sealing ring fills up the gap between conducting rod 6 and cup lid 3, so that described device seals, prevents liquid metal 2 from letting out
Dew.
Based on the above embodiment, conducting rod bottom end described in the present embodiment is plate-like.
A kind of rotary conductive device provided in an embodiment of the present invention, by setting plate-like for conducting rod bottom end, increase is led
The contact area of electric pole 6 and liquid metal 2 improves the electric conductivity of described device.
Based on the above embodiment, cup body 1 described in the present embodiment is made with the cup lid 3 of bronze.
A kind of rotary conductive device provided in an embodiment of the present invention, by the way that cup body 1 and the making material of cup lid 3 to be set as
Bronze ensure that the intensity and electric conductivity of cup body 1 Yu cup lid 3.
Based on the above embodiment, conducting rod 6 described in the present embodiment is made of red copper.
A kind of rotary conductive device provided in an embodiment of the present invention, by the way that the making material of conducting rod 6 is set as red copper,
It ensure that the good electric conductivity of conducting rod 6.
Based on the above embodiment, a kind of rotary conductive device is specifically described in the present embodiment, sets on the conducting rod 6
It is equipped with convex structure；Described device further includes sealing ring 4, and the sealing ring 4 is located under the convex structure of the conducting rod 6
Along between the cup lid 3, for sealing described device；The conducting rod bottom end is plate-like；The liquid metal 2 is gallium base fluid
One of state metal alloy, bismuthino liquid metal alloy, indium base liquid metal alloy and tinbase liquid metal alloy are a variety of；
The cup body 1 is made with the cup lid 3 of bronze；The conducting rod 6 is made of red copper.
A kind of rotary conductive device provided in an embodiment of the present invention, by by cup body 1 and conducting rod 6 respectively with different workpieces
Connection, and conducting rod bottom end is placed in liquid metal 2, the electric energy transmitted in conducting rod 6 is passed to by cup by liquid metal 2
Body, and then realize the electric energy transmission between the workpiece under different working condition.Also, the embodiment of the present invention is by using liquid metal
Conductive mode, so that described device conduction high reliablity, easy to maintain and be easily changed accessory.
Based on the above embodiment, the present embodiment is by specifically illustrating come the present invention will be described.Using preceding by cup lid
3, conducting rod 6, connecting rod 5, sealing ring 4 assemble as shown in Figure 1, then by the filling of liquid metal 2 into cup body 1, wherein liquid gold
Belong to 2 to flood conducting rod 6 completely, is finally connected through a screw thread cup body 1 and cup lid 3.
Wherein, in order to guarantee high intensity and good electric conductivity of the cup lid 3 with cup body 1, cup lid 3 and cup body 1 are by bronze
It is made；In order to guarantee the good electric conductivity of conducting rod 6, conducting rod 6 is made of red copper.
Wherein, 2 gallium base liquid metal alloy of liquid metal；In order to improve the electric conductivity of conducting rod 6, the bottom end of conducting rod 6
To be discoid, liquid metal 2 floods the discoid bottom end of conducting rod 6 completely.
Wherein, the rotating part of conducting rod 6 is provided with convex structure, the convex structure cooperation cup lid top of conducting rod 6
Convex structure positioned and sealed.
A kind of rotary conductive device that assembly is completed is applied in the workpiece of two asynchronous rotations, non-by two below
The workpiece of synchronous rotary is referred to as the first workpiece and second workpiece, and by taking second workpiece is transmitted to the electric energy of the first workpiece as an example
It is illustrated.Wherein, the workpiece of asynchronous rotation refers to: the first workpiece is rotated with second workpiece, but the speed of the two rotation
Degree is different.
In use, cup body 1 is with the first work by the first workpiece and the first terminals of 1 bottom end of cup body by cable connection
The rotation of part and rotate, the two rotate synchronously；Second workpiece and second terminals 8 on 6 top of conducting rod are passed through into cable connection,
Conducting rod 6 is rotated with the rotation of second workpiece, and the two rotates synchronously.First workpiece is passed electric energy by the first terminals 7
Conducting rod 6 is transported to, conducting rod 6 is transmitted to cup body 1 by liquid metal 2, by electric energy, and cup body 1 passes through the first terminals 7 for electric energy
It is transmitted to second workpiece.The electric energy transmission between asynchronous rotational workpieces can be completed by the above process.
Similarly, when the first workpiece is static element, and second workpiece is revolving part, the two and this kind of rotary conductive device
Connection type is consistent with above-described embodiment, and details are not described herein again.
Similarly, when the first workpiece and second workpiece are static element, the connection side of the two and the rotary conductive device
Formula is consistent with above-described embodiment, and details are not described herein again.
When needing to illustrate, the first terminals 7 and the second terminals 8 are one or more；Also, different workpieces it
Between the energy that transmits be not limited to electric energy, can also be other different energy mediums such as optical signal, air pressure and hydraulic pressure.
A kind of rotary conductive device provided in an embodiment of the present invention, by by cup body 1 and conducting rod 6 respectively with different workpieces
Connection, and conducting rod bottom end is placed in liquid metal 2, the electric energy transmitted in conducting rod 6 is passed to by cup by liquid metal 2
Body, and then realize the electric energy transmission between the workpiece under different working condition.Also, the embodiment of the present invention is by using liquid metal
Conductive mode, so that described device conduction high reliablity, easy to maintain and be easily changed accessory.
Finally, method of the invention is only preferable embodiment, it is not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (7)
1. a kind of rotary conductive device characterized by comprising
Cup body is equipped with liquid metal in the cup body, and the cup base is provided with the first terminals, and first terminals are used
In connecting the first workpiece；
Conducting rod, the conducting rod are used for transmission electric energy, and the conducting rod bottom end is placed in the liquid metal, the conducting rod
Top is provided with the second terminals, and second terminals are for connecting second workpiece；
Cup lid, the medial surface of the cup lid bottom are provided with the first screw thread, and the lateral surface of the cup top is provided with the second spiral shell
Line, the cup lid are connect by first screw thread with the cooperation of second screw thread with the cup body；
Lateral surface at the top of the cup lid is provided with retainer ring, and the lateral surface of the retainer ring is provided with third screw thread, the cup lid top
Portion is connect by the third screw thread with connecting rod, and the structure of the connecting rod and cup lid composition is hollow structure, described
Conducting rod passes through the hollow structure；
Convex structure is provided on the conducting rod；
Convex structure at the top of the cup lid；
When the conducting rod bottom end is placed in the liquid metal, the convex structure of the conducting rod is located at the cup lid top
In the convex structure in portion.
2. the apparatus according to claim 1, which is characterized in that further include: sealing ring, the sealing ring are located at the conduction
Between the convex structure lower edge and the cup lid of bar, for sealing described device.
3. the apparatus according to claim 1, which is characterized in that the conducting rod bottom end is plate-like.
4. the apparatus according to claim 1, which is characterized in that the liquid metal is gallium base liquid metal alloy, bismuthino
One of liquid metal alloy, indium base liquid metal alloy and tinbase liquid metal alloy are a variety of.
5. the apparatus according to claim 1, which is characterized in that the cup body is made with the cup lid of bronze.
6. the apparatus according to claim 1, which is characterized in that the conducting rod is made of red copper.
7. the apparatus according to claim 1, which is characterized in that be provided with convex structure on the conducting rod；The dress
Setting further includes sealing ring, and the sealing ring is located between the convex structure lower edge and the cup lid of the conducting rod, for close
Seal described device；The conducting rod bottom end is plate-like；The liquid metal is gallium base liquid metal alloy, the conjunction of bismuthino liquid metal
One of gold, indium base liquid metal alloy and tinbase liquid metal alloy are a variety of；The cup body and the cup lid are by blueness
Copper at；The conducting rod is made of red copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691248.0A CN107658668B (en) | 2017-08-14 | 2017-08-14 | A kind of rotary conductive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710691248.0A CN107658668B (en) | 2017-08-14 | 2017-08-14 | A kind of rotary conductive device |
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| Publication Number | Publication Date |
|---|---|
| CN107658668A CN107658668A (en) | 2018-02-02 |
| CN107658668B true CN107658668B (en) | 2019-06-18 |
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| CN201710691248.0A Active CN107658668B (en) | 2017-08-14 | 2017-08-14 | A kind of rotary conductive device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113745870B (en) * | 2021-08-24 | 2022-10-25 | 西安交通大学 | Center current-carrying guide rod and high-voltage power transmission equipment |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3806745A (en) * | 1971-12-31 | 1974-04-23 | Soudure Autogene Elect | Slip ring |
| CN105937048B (en) * | 2016-06-30 | 2018-07-24 | 广东保迪环保电镀设备有限公司 | A kind of mercury electro-conducting control device |
| CN106992415A (en) * | 2017-04-26 | 2017-07-28 | 汕头大学 | A kind of liquid metal high speed rotary electric connector and its design method |
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