CN108011497A - Non-contact transmission mechanism - Google Patents
Non-contact transmission mechanism Download PDFInfo
- Publication number
- CN108011497A CN108011497A CN201711288093.2A CN201711288093A CN108011497A CN 108011497 A CN108011497 A CN 108011497A CN 201711288093 A CN201711288093 A CN 201711288093A CN 108011497 A CN108011497 A CN 108011497A
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- China
- Prior art keywords
- magnet
- transmission mechanism
- case body
- transmission case
- contact transmission
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K49/00—Dynamo-electric clutches; Dynamo-electric brakes
- H02K49/10—Dynamo-electric clutches; Dynamo-electric brakes of the permanent-magnet type
- H02K49/102—Magnetic gearings, i.e. assembly of gears, linear or rotary, by which motion is magnetically transferred without physical contact
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a kind of non-contact transmission mechanism.It includes active transmission case body and slave drive babinet, further include the motor set gradually, the first magnet, the second magnet and driven shaft, first magnet and the active axis connection of motor driving, second magnet and the driven axis connection, first magnet and the second magnet are oppositely arranged.The non-contact transmission mechanism of the application, can realize the transmission that just can not carry out power and torque between driving shaft and driven shaft by directly contacting by the magnetic coupling between the first magnet and the second magnet, and dynamic sealing can be turned to static seal, realize zero leakage.Therefore it is widely used in having the occasion of particular/special requirement to leakage, and can realize the separately positioned of active part and secondary part.
Description
Technical field
The present invention relates to machinery field.More particularly to a kind of non-contact transmission mechanism.
Background technology
In correlation technique, machine power transmission is by tightly engaging between object plane mostly, is rubbed by mutual contact
Wipe to complete.Traditional transmission device all must transmit moment of torsion by interconnecting for driving shaft and driven shaft, its structure is answered
Miscellaneous, the accuracy of manufacture is high, and when overload is easy to cause the destruction of component.Traditional transmission device can not often be applied to have particular/special requirement
Workplace.
For example, when driving shaft and driven shaft are operated in two kinds of mutually isolated different mediums of needs, it is necessary to using close
Seal element and carry out dynamic sealing, rotational resistance is increased to ensure sealed reliable or thus existing, otherwise poorly sealed generation is let out
The problem of leakage.
For another example, abrasion, aging of traditional contact drive apparatus with sealing element, can aggravate to leak, especially exist
In pernicious gas, dust and system existing for harmful liquid or when equipment needs underwater operation, pollute the environment once leakage,
Cause equipment waterlogged damage even threat to life.
Therefore a kind of non-contact type drive mechanism is developed, it is special for having to substitute traditional contact transmission device
It is required that working environment be of great significance for modern industry.
The content of the invention
The main purpose of the application is to provide a kind of mechanical driving device, can not to solve existing contact drive apparatus
There is the problem of working environment of particular/special requirement applied to part.
To achieve these goals, this application provides a kind of non-contact transmission mechanism, including active transmission case body and from
Dynamic transmission case body, further includes the motor set gradually, the first magnet, the second magnet and driven shaft, first magnet with it is described
The active axis connection of motor driving, second magnet and the driven axis connection, first magnet and the second magnet are opposite
Set, the motor, driving shaft and the first magnet are arranged in the active transmission case body, and second magnet is arranged on described
In slave drive babinet, the driven shaft runs through an end face of the slave drive babinet, one end of the driven shaft and institute
The connection of the second magnet is stated, the other end stretches out slave drive babinet and is used to drive controlled device.
Further, the active transmission case body is all-sealed structure, and the driven shaft passes through anti-with slave drive babinet
Water-stop bearing connects.
Further, first magnet is passed through by the first fixing piece and the active axis connection, second magnet
Second fixing piece and the driven axis connection, first fixing piece are located in the active transmission case body, and described second fixes
Part is located in the slave drive babinet.
Further, the driven shaft is connected by gear set with second magnet or second fixing piece.
Further, first magnet and the second magnet are magnetite or electromagnet.
Further, the magnetic pole on first magnet and the opposite end face of second magnet is according to NS poles alternation method
Circumferential arrangement.
Further, the material of the active transmission case body and slave drive babinet is nonmagnetic substance.
Further, the active transmission case body and the slave drive babinet are integrated connection or separable design.
Further, it is additionally provided with the power supply being connected with the motor in the active transmission case body.
Further, the power supply is rechargeable battery.
Further, the charge port being connected with the rechargeable battery is provided with the active transmission case body, it is described to fill
The waterproofing grade of power port is IP68.
Further, the material of first fixing piece and second fixing piece is resistance magnetic material..
The non-contact transmission mechanism of the application, can realize master by the magnetic coupling between the first magnet and the second magnet
The transmission of power and torque just can not be carried out between moving axis and driven shaft by directly contacting, and dynamic sealing can be turned to static seal,
Realize zero leakage.Therefore it is widely used in having the occasion of particular/special requirement to leakage, and can realize active part and driven
It is partially separated setting.
Brief description of the drawings
The attached drawing for forming the part of the application is used for providing further understanding of the present application so that the application's is other
Feature, objects and advantages become more apparent upon.The illustrative examples attached drawing and its explanation of the application is used to explain the application, not
Form the improper restriction to the application.In the accompanying drawings：
Fig. 1 is the cross-sectional view for the non-contact transmission mechanism that an embodiment of the present invention provides；
Fig. 2 is the front view for the non-contact transmission mechanism that another embodiment of the invention provides；
Fig. 3 is the rearview for the non-contact transmission mechanism that another embodiment of the invention provides；
Fig. 4 is the left view for the non-contact transmission mechanism that another embodiment of the invention provides；
Fig. 5 is the bottom view for the non-contact transmission mechanism that another embodiment of the invention provides；
Fig. 6 is the cross-sectional view for the non-contact transmission mechanism that another embodiment of the invention provides；
Fig. 7 is the control system architecture schematic diagram of non-contact transmission mechanism provided in an embodiment of the present invention；
Fig. 8 is the positive structure schematic for the non-contact transmission mechanism that another embodiment of the present invention provides；And
Fig. 9 is a kind of arrangement mode schematic diagram of the magnetic pole of the first magnet or the second magnet opposite face of the invention.
Embodiment
In order to make those skilled in the art more fully understand application scheme, below in conjunction with the embodiment of the present application
Attached drawing, is clearly and completely described the technical solution in the embodiment of the present application, it is clear that described embodiment is only
The embodiment of the application part, instead of all the embodiments.Based on the embodiment in the application, ordinary skill people
Member's all other embodiments obtained without making creative work, should all belong to the model of the application protection
Enclose.
It should be noted that term " comprising " and " tool in the description and claims of this application and above-mentioned attached drawing
Have " and their any deformation, it is intended that cover it is non-exclusive include, for example, containing a series of product of units not
Be necessarily limited to those units clearly listed, but may include not list clearly or for intrinsic other of these products
Unit.
In this application, the orientation of the instruction such as term " on ", " under ", "front", "rear", " interior ", " outer " or position relationship are
Based on orientation shown in the drawings or position relationship.These terms primarily to preferably describe the present invention and embodiment, and
It is non-to be used to limiting indicated device, element or part and have a particular orientation, or with particular orientation carry out construction with
Operation.
Also, above-mentioned part term is in addition to it can be used to indicate that orientation or position relationship, it is also possible to for representing it
His implication, such as term " on " also be likely used for representing certain relations of dependence or connection relation in some cases.For ability
For the those of ordinary skill of domain, the concrete meaning of these terms in the present invention can be understood as the case may be.
In addition, term " setting ", " being equipped with ", " connection " should be interpreted broadly.For example, it may be it is fixedly connected, detachably
Connection, or monolithic construction；Can mechanically connect, or be electrically connected；It can be directly connected, or by between intermediary
Connect connected, or be internal connection between two parts.For those of ordinary skills, can basis
Concrete condition understands the concrete meaning of above-mentioned term in the present invention.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the application in detail below with reference to the accompanying drawings and in conjunction with the embodiments.Fig. 1~Fig. 9 gives the specific of the application
Embodiment.
As shown in Figure 1, this application involves a kind of non-contact transmission mechanism, including active transmission case body 1 and slave drive case
Body 2, further includes the motor 5 set gradually, the first magnet 6, the second magnet 7 and driven shaft 8, what the first magnet 6 drove with motor 5
Driving shaft 9 connects, and the second magnet 7 is connected with driven shaft 8, and the first magnet 6 and the second magnet 7 are oppositely arranged, motor 5, driving shaft 9
Be arranged on the first magnet 6 in active transmission case body 1, the second magnet 7 is arranged in slave drive babinet 2, driven shaft 8 run through from
One end face of dynamic transmission case body 2, one end of driven shaft 8 are connected with the second magnet 7, and the other end stretches out slave drive babinet 2 and uses
In driving controlled device 10.
The specific work process of above-mentioned non-contact transmission mechanism drives the in the active transmission case body 1 of equipment for motor 5
One magnet 6 rotates, and is driving the second magnet 7 in slave drive babinet 2 to rotate with magnetic force in the case of sky up and down, is then passing
Power is sent to driven shaft 8 so that driven shaft 8 drives controlled device 10 to rotate.
Above-mentioned transmission process can realize contactless transmission, and machine power transmission need not be by closely nibbling between object plane
Close or completed by mutual contact friction, it is simple in structure.It can realize active transmission parts and slave drive component work
Make in two kinds of mutually isolated different mediums are needed, or realize that the two is separately positioned.
On the basis of the above embodiment, active transmission case body 1 is all-sealed structure, driven shaft 8 and slave drive case
Body 2 is connected by waterproof sealing bearing.
As shown in fig. 6, the power supply 22 being connected with motor 5 is additionally provided with active transmission case body 1.Preferably, power supply 22 is
Rechargeable battery, as shown in figs. 3 and 6, is additionally provided with the charge port 23 being connected with rechargeable battery, fills on active transmission case body 1
The waterproofing grade of power port 23 is IP68.
Above-mentioned setting may insure that electronic component is in sealing state, will not intake, convenient to carry out water-bed work, can be with
It is operated in high dust atmosphere.
On the basis of the above embodiment, as shown in fig. 6, the first magnet 6 is connected by the first fixing piece 19 with driving shaft 9
Connecing, the second magnet 7 is connected by the second fixing piece 20 with driven shaft 8, and the first fixing piece 19 is located in active transmission case body 1, the
Two fixing pieces 20 are located in slave drive babinet 2.In addition, driven shaft 8 can be fixed by 21 and second magnet 7 or second of gear set
Part 20 connects.
After user opens power supply, battery operated motor 5, drives the first fixing piece being connected in equipment with the first magnet 6
19 rotate, and drive the first magnet 6 to rotate, and are driving the second magnet 7 to rotate with magnetic force in the case of sky up and down, are then transmitting
Power to the second fixing piece 20 being connected with the second magnet 7, the second fixing piece 20 is connected with gear set 21, promotes gear to rotate,
Power is finally reached into driven shaft 8, pushing away makes 8 axle center of driven shaft be rotated with friction speed and direction.The setting of gear set 21 can be with
Moment of torsion is transmitted, change speed and changes torque direction by the mesh combination of a variety of gears.
The material of first fixing piece 19 and the second fixing piece 20 is resistance magnetic material, so that the first fixing piece 19 deviates from
First magnet, 6 side and the second fixing piece 20 are relatively low away from the intensity of the magnetic induction line of 7 side of the second magnet, strengthen the first magnet
6 and the second magnetic couple between magnet 7.
In the various embodiments described above, the first magnet 6 and the second magnet 7 can also be able to be with the various loadstones of selected as
Various artificial magnets, in addition to magnetite, it is also an option that being electromagnet.
As shown in figure 9, as a kind of more preferred embodiment, on the first magnet 6 and the opposite end face of the second magnet 7
Magnetic pole according to NS poles alternation method circumferential arrangement.In the present embodiment, specifically, multiple magnet are annularly arranged in the first fixation
The first magnet is formed on part, the magnetic pole arranged direction of the adjacent magnet of any two is on the contrary, as having eight magnet, four magnet
Magnetic pole is with N-S to arrangement, and the magnetic pole of four magnet is with S-N to arrangement, and the magnetic pole arranged direction of adjacent magnets is on the contrary, similarly,
Arrangement of second magnet on the second fixing piece is set according to same principle.The advantages of being arranged such be, the first magnet
With the second magnet during opposing stationary, any opposite position is the state that N-S poles attract each other, when in the first magnetic
During one week driven rotation of body, the magnetic induction line of the second magnet experience changes greatly, while can obtain spatially
The magnetic field of Sine distribution, obtains stronger magnetic couple, enhancing transmission effect.
In order to improve magnetic drives effect, the material of active transmission case body 1 and slave drive babinet 2 is non magnetic material
Material.
In above-mentioned each embodiment, active transmission case body 1 and slave drive babinet 2 are integrated connection.
In above-mentioned each embodiment, active transmission case body 1 and slave drive babinet 2 are separable design.Separation is set
Meter is adapted to a variety of particular job environment, for example, controlled device 10 can be with selected as cleaning device, the cleaning systems energy
The pattern that movement is driven outside by indoor control room is applied, when cleaning mansion large glass curtain wall or fence, can be used
The non-contact transmission mechanism of the present embodiment, by the active transmission case body with control function and transmission agency and is connected with sanitizer cartridge
The slave drive babinet put is respectively placed in the two sides of glass curtain wall or fence, and user is indoors by controlling in active transmission case body
Motor unlatching, rotating speed and steering, driven with magnetic force and cleaned in the cleaning device of glass curtain wall or fence another side.
In the non-contact transmission mechanism that the respective embodiments described above provide, controlled device 10 can be with addition to cleaning device
Other devices of selected as, such as video camera or engine.Controlled device of the invention selection camera or it is various shoot with video-corder equipment,
The weight that magnetic force can promote can be by one kilogram, five kilograms, ten kilograms so that heavier, and technology has a wide range of application, with reference in the application
The excellent sealing condition that transmission device can be realized, it is possible to achieve underwater operation；For another example, current steamer, submarine, sluice etc. are both needed to
Drainage system is wanted to support running, the non-contact transmission mechanism of the application is applied can be by the motor of ship, engine on ship
The space of sealing is placed in, under identical principle, with magnetic force moving engine, substitutes current schema.
As shown in Figure 6 and Figure 7, non-contact transmission mechanism further includes the control system being arranged in active transmission case body 1, tool
Body, control system may include control module 11, rotating speed module 3, steering module 4 and communication module 12.
Wherein, control module 11 is connected with controlled device 10, and for controlling the work of controlled device 10.For example, when by
When controlling device selected as video camera, in specific implementation process, control module is selectable to set following parameter：Shooting time and bat
Take the photograph type, such as 7.5 seconds/15 seconds：Pan-shot (panorama)；30s/60s mirror images：shortVideo；15min/60mins：
Time-lapse photography (time lapse)；Or it is arranged to 1 second/15 seconds：Pan-shot (panorama)；30s/60s mirror images：
shortVideo；1min/60mins：Time-lapse photography (time lapse).It should be noted that the parameter of control module may be selected
Need to be arranged to other numerical value according to user, be only that explanation enumerates one of which, control module parameter bag in the present embodiment
Include and be not limited to above-mentioned numerical value.
Wherein, communication module 12 is connected with control module 11, rotating speed module 3 and steering module 4 respectively.Preferably, communicate
Module 12 can be bluetooth communication, WIFI communication modules, 2.4G/3G/4G communication modules, infrared rays communication module, ultrasound
Wave communication module or radar communication module, but communication module is not limited to the above-mentioned various communication modules enumerated.
On the basis of the above embodiment, non-contact transmission mechanism further includes the remote control being connected with communication module 12
(not shown).User presses the button on remote control, which is sent to control module by communication module, control
After molding block receives instruction, controlled device is transmitted this information to by communication module, controlled device is started to work.
Wherein, rotating speed module 3 and steering module 4 are arranged in active transmission case body 1, and are connected respectively with motor 5, rotating speed
Module 3 is used for the rotating speed for controlling motor 5, and steering module 4 is used for the rotation direction for controlling motor 5.
As shown in Fig. 2,4~7, non-contact transmission mechanism further includes control button, specifically, control button includes power key
13rd, be connected with steering module 4 rotate forward control key 14 and invert control key 15, the mode selecting key 16 that is connected with control module 11 with
And the rotating speed control key 17 being connected with rotating speed module 3.
As shown in Fig. 2, above-mentioned each control button can be arranged on the outside of active transmission case body.
Alternatively implementation, actively passes as shown in figure 8, non-contact transmission mechanism of the present invention further includes to be connected to
Handle 18 on dynamic babinet 1.Each control button can be arranged on handle 18.
In specific implementation process, handle described in the present embodiment can 18 selected as A-frames, strut or sucker.Work as handle
18 when being A-frame, and the selectable controlled device for driving the application non-contact transmission mechanism passes through triangle during concrete application
Stent is fixed on car or indoor；When handle 18 is sucker, the controlled device of the application non-contact transmission mechanism driving can be straight
Connect sucker and be fixed to any position that can be adsorbed onto；When handle 18 is strut, strut is optionally set to telescopic rod, is used
Family in use, can adjust the height of the controlled device of the application non-contact transmission mechanism driving as needed.
It should be noted that the concrete structure of handle 18 includes but not limited to A-frame, strut or sucker.
It these are only the preferred embodiment of the application, be not limited to the application, for those skilled in the art
For member, the application can have various modifications and variations.All any modifications within spirit herein and principle, made,
Equivalent substitution, improvement etc., should be included within the protection domain of the application.
Claims (10)
1. a kind of non-contact transmission mechanism, it is characterised in that including active transmission case body (1) and slave drive babinet (2), also wrap
The motor (5) set gradually, the first magnet (6), the second magnet (7) and driven shaft (8) are included,
First magnet (6) is connected with the driving shaft (9) that the motor (5) drives, second magnet (7) with it is described driven
Axis (8) connects, and first magnet (6) and second magnet (7) are oppositely arranged,
The motor (5), driving shaft (9) and the first magnet (6) are arranged in the active transmission case body (1), second magnetic
Body (7) is arranged in the slave drive babinet (2),
The driven shaft (8) run through the slave drive babinet (2) an end face, one end of the driven shaft (8) with it is described
Second magnet (7) connects, and the other end stretches out the slave drive babinet (2) and is used to drive controlled device (10).
2. non-contact transmission mechanism according to claim 1, it is characterised in that the active transmission case body (1) is complete close
Seal structure, the driven shaft (8) are connected with slave drive babinet (2) by waterproof sealing bearing.
3. non-contact transmission mechanism according to claim 1, it is characterised in that first magnet (6) is solid by first
Determine part (19) to be connected with the driving shaft (9), second magnet (7) passes through the second fixing piece (20) and the driven shaft (8)
Connection, first fixing piece (19) be located in the active transmission case body (1), second fixing piece (20) be located at described in from
In dynamic transmission case body (2).
4. the non-contact transmission mechanism according to claim 1 or 3, it is characterised in that the driven shaft (8) passes through gear set
(21) it is connected with second magnet (7) or second fixing piece (20).
5. non-contact transmission mechanism according to claim 3, it is characterised in that first fixing piece (19) and second is consolidated
The material for determining part (20) is resistance magnetic material.
6. non-contact transmission mechanism according to claim 1, it is characterised in that first magnet (6) and the second magnet
(7) it is magnetite or electromagnet.
7. non-contact transmission mechanism according to claim 6, it is characterised in that first magnet (6) and described second
Magnetic pole on the opposite end face of magnet (7) is according to NS poles alternation method circumferential arrangement.
8. non-contact transmission mechanism according to claim 1, it is characterised in that the active transmission case body (1) and driven
The material of transmission case body (2) is nonmagnetic substance.
9. non-contact transmission mechanism according to claim 1, it is characterised in that the active transmission case body (1) and described
Slave drive babinet (2) is integrated connection or separable design.
10. non-contact transmission mechanism according to claim 1, it is characterised in that (1) is also set in the active transmission case body
It is equipped with the power supply (22) being connected with the motor (5).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288093.2A CN108011497A (en) | 2017-12-07 | 2017-12-07 | Non-contact transmission mechanism |
| PCT/CN2018/118125 WO2019109850A1 (en) | 2017-12-07 | 2018-11-29 | Non-contact transmission apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711288093.2A CN108011497A (en) | 2017-12-07 | 2017-12-07 | Non-contact transmission mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108011497A true CN108011497A (en) | 2018-05-08 |
Family
ID=62057338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711288093.2A Pending CN108011497A (en) | 2017-12-07 | 2017-12-07 | Non-contact transmission mechanism |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN108011497A (en) |
| WO (1) | WO2019109850A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109850A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Non-contact transmission apparatus |
| WO2019109849A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Non-contact transmission apparatus with control system |
| WO2019109848A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Underwater photographing apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351907Y (en) * | 1998-09-16 | 1999-12-01 | 滕世进 | Contactless magnetic transmission mechanism |
| CN2757421Y (en) * | 2004-07-16 | 2006-02-08 | 沙永康 | Magnetic force driver |
| CN207732613U (en) * | 2017-12-07 | 2018-08-14 | 真善美创新科技有限公司 | Non-contact transmission mechanism |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205866801U (en) * | 2016-05-31 | 2017-01-11 | 重庆西山科技股份有限公司 | Sealed driving medical handle |
| CN207732612U (en) * | 2017-12-07 | 2018-08-14 | 真善美创新科技有限公司 | Non-contact transmission mechanism with control system |
| CN107991831A (en) * | 2017-12-07 | 2018-05-04 | 真善美创新科技有限公司 | Underwater photography equipment |
| CN207799310U (en) * | 2017-12-07 | 2018-08-31 | 真善美创新科技有限公司 | Underwater photography equipment |
| CN108011497A (en) * | 2017-12-07 | 2018-05-08 | 真善美创新科技有限公司 | Non-contact transmission mechanism |
| CN108011496A (en) * | 2017-12-07 | 2018-05-08 | 真善美创新科技有限公司 | Non-contact transmission mechanism with control system |
-
2017
- 2017-12-07 CN CN201711288093.2A patent/CN108011497A/en active Pending
-
2018
- 2018-11-29 WO PCT/CN2018/118125 patent/WO2019109850A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2351907Y (en) * | 1998-09-16 | 1999-12-01 | 滕世进 | Contactless magnetic transmission mechanism |
| CN2757421Y (en) * | 2004-07-16 | 2006-02-08 | 沙永康 | Magnetic force driver |
| CN207732613U (en) * | 2017-12-07 | 2018-08-14 | 真善美创新科技有限公司 | Non-contact transmission mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019109850A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Non-contact transmission apparatus |
| WO2019109849A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Non-contact transmission apparatus with control system |
| WO2019109848A1 (en) * | 2017-12-07 | 2019-06-13 | 真善美创新科技有限公司 | Underwater photographing apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019109850A1 (en) | 2019-06-13 |
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Application publication date: 20180508 |