CN210186416U - Magic cube, surface rotation sensor and axis structure thereof - Google Patents

Magic cube, surface rotation sensor and axis structure thereof Download PDF

Info

Publication number
CN210186416U
CN210186416U CN201920726044.0U CN201920726044U CN210186416U CN 210186416 U CN210186416 U CN 210186416U CN 201920726044 U CN201920726044 U CN 201920726044U CN 210186416 U CN210186416 U CN 210186416U
Authority
CN
China
Prior art keywords
electrode
rotation sensor
circumference
surface rotation
rotor
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
Application number
CN201920726044.0U
Other languages
Chinese (zh)
Inventor
Yonghuang Chen
陈永煌
Ji Liu
刘寄
Le Zhang
张乐
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shantou Chenghai District Moyu Culture Co ltd
Original Assignee
Shantou Chenghai Kemeng Intelligent Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shantou Chenghai Kemeng Intelligent Technology Co Ltd filed Critical Shantou Chenghai Kemeng Intelligent Technology Co Ltd
Priority to CN201920726044.0U priority Critical patent/CN210186416U/en
Application granted granted Critical
Publication of CN210186416U publication Critical patent/CN210186416U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

The utility model discloses a magic cube, a surface rotation sensor and an axis structure thereof, wherein the surface rotation sensor of the magic cube comprises a code disc, a first electric brush and a first rotor, the code disc is provided with a first electrode and a second electrode, and the first electrode and the second electrode are arranged on a first circumference of a code disc surface; the first brush is arranged on the first rotor and arranged along a first circumference where the first electrode and the second electrode are located, and the first brush is driven by the first rotor to rotate along the first circumference relative to the first electrode and the second electrode; wherein the first electrode comprises a plurality of electrodes, and n electrodes of the first electrodes are respectively and correspondingly arranged on the first electrode
Figure DEST_PATH_IMAGE002
On any n equal parts of the first circumference of the equal parts; a first brush is arranged along the above
Figure DEST_PATH_IMAGE002A
Any of the first circumference of equal parts
Figure DEST_PATH_IMAGE005
Arranging equal parts of a first circumference; the second electrode is arranged on the first circumference such that the first brush contacts the second electrode when rotated to any position. The utility model discloses the face of magic cube rotates sensor has the advantage that the structure is simpler and the volume is littleer.

Description

Magic cube, surface rotation sensor and axis structure thereof
Technical Field
The utility model relates to a magic cube technical field, in particular to magic cube and face rotation sensor and axle center structure thereof, the utility model provides a magic cube covers magic cube class intelligence toy, and all magic cube class intelligence toys that concrete finger got into WCA (international magic cube association) match contain 2 ~ 7 rank magic cube, pyramid magic cube, 5 magic balls of 12 face bodies, oblique magic cube and SQ magic cube.
Background
The magic cube, also called the Rubik cube, Taiwan as the magic cube, hong Kong as the Zuojie cube, the English name is: rubik's Cube, a magic Cube, is an intelligent toy which is popular in the whole world in the eighties, and is well liked by people as a toy for developing intelligence. The magic cube restoration refers to a process of changing the magic cube from a non-original state to an original state, is a process integrating observation, operation and imagination, and can well cultivate the operation and brain ability, the memory training, the spatial imagination and the judgment of people.
The existing magic cube commonly used is single in function, cannot communicate with external electronic equipment and lacks interestingness. In order to improve the interest of the magic cube operation, some electronic magic cubes appear in the prior art, namely, electronic elements such as a sensor and the like are arranged on the magic cube to detect the plane rotation information and the like of the magic cube, but the problems of the sensor volume, the area and the like in the prior art cannot be put into an inner ball in the center of the magic cube, so that the internal structure of the magic cube is relatively complex. For example, chinese utility model patent application publication No. CN106110651A discloses an intelligent magic cube and a timing method using the same, in which a state signal sending set for generating a state signal, i.e., a magic cube center block in which a sensor is disposed outside an inner ball on a tubular shaft, the sensor is connected with the inner ball through a wire by using a hollow tubular shaft for data and electrical connection, and the tubular shaft and the state signal sending set thereon are also rotated together during the surface rotation of the magic cube, which inevitably causes twisting of a line in the tubular shaft, and after the magic cube is used for a certain time, the twisting of the line in the tubular shaft is broken, thereby reducing the service life of the magic cube; in addition, due to the particularity of the tubular shaft structure, the magic cube axis structure disclosed in the above utility model patent application needs to be matched with corresponding magic cube modules (including a center block, corner blocks and edge blocks), and can not be compatible with the modules of the traditional magic cube.
In the prior art, an absolute encoder is generally used for a sensor for angle detection, each binary digit of the absolute encoder occupies one ring, and if the absolute encoder is a 3-bit binary digit, 4 rings are required to be used in a central power supply electrode, so that the encoder is complex in structure and large in volume, and the structure and the weight of an electronic magic cube are influenced when the absolute encoder is applied to the electronic magic cube.
SUMMERY OF THE UTILITY MODEL
A first object of the present invention is to overcome the disadvantages and shortcomings of the prior art, and to provide a surface rotation sensor for a magic cube, which has the advantages of simple structure and small volume.
A second object of the present invention is to provide an axis structure of a magic cube.
A third object of the present invention is to provide a magic cube.
The first purpose of the utility model is realized through the following technical scheme: a surface rotation sensor of a magic cube is characterized by comprising a code disc, a first electric brush and a first rotor, wherein a first electrode and a second electrode are arranged on the code disc, are arranged on the same circumference of the code disc and define the circumference as a first circumference; the first brush is arranged on the first rotor and arranged along a first circumference where the first electrode and the second electrode are located, and the first brush is driven by the first rotor to rotate relative to the first electrode and the second electrode along the first circumference; when the first brush rotates to the position opposite to the first electrode, the first brush is contacted with the first electrode;
the first electrode comprises a plurality of electrodes, and the number n of the electrodes in the first electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect;
n electrodes of the first electrodes are respectively arranged at 2nOn any n equal parts of the first circumference of the equal parts; arranging a first brush along the above 2nEqual parts of any 2 of the first circumferencen-1Arranging the equal parts;
the second electrode is arranged on the first circumference such that the first brush contacts the second electrode when rotated to any position.
Preferably, when the angle detection accuracy for the magic aspect is pi/N, the number N of electrodes in the first electrode is:
n＝log22N, N being an integral power of 2.
Preferably, the surface rotation sensor further comprises a second rotor and a second electric brush, and the code disc is further provided with a third electrode and a fourth electrode; the third electrode and the fourth electrode are arranged on the same circumference of the code disc surface, and the circumference is defined as a second circumference; the second circumference is positioned at the periphery of the first circumference where the first electrode and the second electrode are positioned, the second electric brush is arranged on the second rotor, and the second electric brush is driven by the second rotor to rotate relative to the third electrode and the fourth electrode along the second circumference; when the second brush rotates to the position opposite to the third electrode, the second brush is contacted with the third electrode;
the third electrode comprises a plurality of electrodes, and the number n of the electrodes in the third electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the third electrodes are respectively arranged at 2nOn any n of the aliquots; a second brush is arranged along the above 2nEqual part of any 2 of the second circumferencen-1Arranging the equal parts; the fourth electrode is disposed on the second circumference such that the second brush contacts the fourth electrode when rotated to any position.
Preferably, the surface rotation sensor further includes a second rotor, a second brush, a third rotor and a third brush, and the code wheel is further provided with a third electrode, a fourth electrode, a fifth electrode and a sixth electrode;
the third electrode and the fourth electrode are arranged on the same circumference of the code disc surface, and the circumference is defined as a second circumference; the second circumference is positioned at the periphery of the first circumference where the first electrode and the second electrode are positioned, the second electric brush is arranged on the second rotor, and the second electric brush is driven by the second rotor to rotate relative to the third electrode and the fourth electrode along the second circumference; when the second brush rotates to the position opposite to the third electrode, the second brush is contacted with the third electrode; the third electrode comprises a plurality of electrodes, and the number n of the electrodes in the third electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the third electrodes are respectively arranged at 2nOn any n of the aliquots; a second brush is arranged along the above 2nEqual part of any 2 of the second circumferencen-1Arranging the equal parts; the fourth electrode is arranged on the second circumference so that the second brush is in contact with the fourth electrode when rotated to any position;
the fifth electrode and the sixth electrode are arranged on the same circumference of the code disc surface, the circumference is defined as a third circumference, the third circumference is positioned on the periphery of a second circumference where the fifth electrode and the sixth electrode are positioned, and the third electric brush is driven by the third rotor to rotate relative to the fifth electrode and the sixth electrode along the third circumference; when the third brush rotates to the position opposite to the fifth electrode, the third brush contacts with the fifth electrode; the fifth electrode comprises a plurality of electrodes, and the number n of the electrodes in the fifth electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the fifth electrodes are respectively arranged at 2nOn any n equal parts of the third circumference of the equal parts; arranging a third brush along the above 2nEqual parts of any 2 of the third circumferencen-1Arranging the equal parts; the sixth electrode is disposed on the third circumference such that the third brush contacts the sixth electrode when rotated to any position.
The second purpose of the utility model is realized by the following technical scheme: an axis structure of a magic cube comprises an inner core with a hollow inner part, a plurality of central axes and a surface rotation sensor for detecting the rotation of a rotating layer of the magic cube, wherein the surface rotation sensor is the surface rotation sensor for the first purpose of the utility model;
the surface of the inner core is provided with through holes with the same number as the central shaft, and the through holes are uniformly distributed on the surface of the inner core at intervals;
one end of each central shaft is provided with a stop block; each central shaft is provided with a surface rotation sensor, and when the central shaft rotates, a first rotor of the surface rotation sensor arranged on the central shaft rotates along with the central shaft;
one end of each central shaft without a stop block penetrates through each through hole on the surface of the inner core, and the surface rotation sensor is limited in the inner core and is positioned between the inner surface of the inner core and the central shaft stop block;
the surface rotation sensor is characterized in that a power supply and a microcontroller are arranged in the inner core, each electrode in the first electrode in the surface rotation sensor, the first electric brush, the second electrode and the power supply form an electrifying loop, and each electrode in the first electrode is connected with each IO port of the microcontroller respectively.
Preferably, the axis structure of the magic cube further comprises first sleeves, the number of the first sleeves is the same as that of the central shafts, and the code discs and the first rotors of the face rotation sensors are respectively installed on the central shafts; after the code disc and the first rotor of each surface rotation sensor are arranged on each central shaft, each first sleeve is sleeved on each central shaft; a second rotor in the surface rotation sensor is arranged on a first sleeve and rotates along with the first sleeve; the central shafts sleeved with the first sleeves and the first sleeves on the central shafts penetrate through the through holes on the surface of the inner core together; the first sleeves rotate along the inner layer rotating surfaces in the magic cube correspondingly and respectively; each electrode in a third electrode on a code disc in the surface rotation sensor, a second electric brush, a fourth electrode and a power supply form an electrifying loop, and each electrode in the third electrode is connected with each IO port of the microcontroller respectively;
or the axis structure of the magic cube further comprises a first sleeve and a second sleeve, wherein the number of the first sleeve and the second sleeve is the same as that of the central shaft; a coded disc and a first rotor of a surface rotation sensor in the axis structure of the magic cube are respectively arranged on each central shaft; after the code disc and the first rotor of each surface rotation sensor are installed on each central shaft, and after the code disc and the first rotor of each surface rotation sensor are installed on each central shaft, each first sleeve is sleeved on each central shaft, and each second sleeve is sleeved on each first sleeve; a second rotor in the surface rotation sensor is arranged on a first sleeve and rotates along with the first sleeve; a third rotor in the surface rotation sensor is arranged on a second sleeve and rotates along with the second sleeve; the central shafts sleeved with the first sleeve and the second sleeve and the first sleeve and the second sleeve on the central shafts penetrate through the through holes on the surface of the inner core together; the central shafts respectively rotate along with the outer rotating surfaces, corresponding to and connected with the outer rotating surfaces, in the magic cube, and the first sleeves and the second sleeves respectively rotate along with the inner rotating surfaces, corresponding to and connected with the inner rotating surfaces, in the magic cube; the inner layer of the magic cube connected with the second sleeve is closer to the center of the magic cube than the inner layer of the magic cube connected with the first sleeve; each electrode in the third electrode, the second electric brush, the fourth electrode and the power supply form an electrifying loop, and each electrode in the third electrode on the code disc in the surface rotation sensor is respectively connected with each IO port of the microcontroller; and each electrode in a fifth electrode on a code disc in the surface rotation sensor, the third electric brush, the sixth electrode and the power supply form an electrifying loop, and each electrode in the fifth electrode is respectively connected with each IO port of the microcontroller.
Preferably, the first rotor, the second rotor, the third rotor and the code disc of the surface rotation sensor are all provided with through holes; the surface rotation sensor is mounted on the central shaft in the following way: a coded disc of the surface rotation sensor and the first rotor sequentially penetrate through the central shaft and are arranged at the end of the central shaft where the stop block is located; the inner wall of a first rotor through hole of the surface rotation sensor is attached to the outer wall of the central shaft and rotates along with the central shaft; a second rotor of the surface rotation sensor is arranged at the bottom end of the first sleeve through a through hole; the inner wall of a through hole of a second rotor of the surface rotation sensor is attached to the outer wall of the first sleeve and rotates along with the first sleeve; a third rotor of the surface rotation sensor is arranged at the bottom end of the second sleeve through a through hole; the inner wall of a third rotor through hole of the surface rotation sensor is attached to the outer wall of the second sleeve and rotates along with the second sleeve.
Furthermore, the rotation sensors on all sides are connected through a flexible circuit board, and the microcontroller is arranged on the flexible circuit board; each electrode of a first electrode, a third electrode and a fifth electrode on each face rotation sensor code disc is respectively and correspondingly connected to an IO port of the microcontroller through a circuit on the flexible circuit board; the second electrode, the fourth electrode and the sixth electrode on the coded disc of each surface rotation sensor are connected to the circuit of the power-on loop on the flexible circuit board and then connected into the power-on loop;
when the number of the surface rotation sensors is 6, after the 6 surface rotation sensors are connected through the flexible circuit board, when each surface rotation sensor is unfolded through the flexible circuit board, 5 surface rotation sensors are connected through the flexible circuit board to form a cross structure, and in addition, 1 surface rotation sensor is connected with 1 surface rotation sensor in the 5 surface rotation sensors through the flexible circuit board.
Furthermore, the device also comprises a spring gasket, a first cover plate, a second cover plate and a third cover plate;
after the surface rotation sensor is arranged on the central shaft, the coded disc is close to the central shaft stop block, and a spring gasket is arranged between the coded disc of the surface rotation sensor and the central shaft stop block;
the first cover plate is provided with a through hole, after a code disc of the surface rotation sensor and the first rotor are arranged on the central shaft, the through hole of the first cover plate penetrates through the central shaft, the edge of the bottom of the first cover plate is fixed on the code disc, and the first rotor is covered by the first cover plate;
the second cover plate is provided with a through hole, the second cover plate through hole penetrates through the first sleeve after the second rotor is installed on the first sleeve, the bottom edge of the second cover plate is fixed on the code disc, and the second rotor is covered by the second cover plate;
the third cover plate is provided with a through hole, the third cover plate through hole penetrates through the second sleeve after the third rotor is installed on the second sleeve, the edge of the bottom of the third cover plate is fixed on the code disc, and the third rotor is covered by the third cover plate;
the central shaft is a screw rod, and the stop block at one end of the central shaft is a screw cap of the screw rod.
The third purpose of the utility model is realized through the following technical scheme: the utility model provides a magic cube, including a plurality of center blocks with the utility model discloses the second purpose the axle center structure of magic cube, the correspondence is provided with the center block of a magic cube on every center pin.
The utility model discloses for prior art have following advantage and effect:
(1) the utility model discloses a face rotation sensor of a magic cube, which comprises a code disc, a first electric brush and a first rotor, wherein the code disc is provided with a first electrode and a second electrode which are arranged on a first circumference of the code disc surface; the first brush is arranged on the first rotor and arranged along a first circumference where the first electrode and the second electrode are located, and the first brush is driven by the first rotor to rotate along the first circumference relative to the first electrode and the second electrode; wherein the first electrode comprises a plurality of electrodes, n electrodes of the first electrodes are respectively arranged at 2nOn any n equal parts of the first circumference of the equal parts; arranging a first brush along the above 2nEqual parts of any 2 of the first circumferencen-1Arranging equal parts of a first circumference; the second electrode is arranged on the first circumference such that the first brush contacts the second electrode when rotated to any position. The utility model discloses among the face rotation sensor of magic cube, to in first circumference in first electrode and second electrode place, first brush is arranged along this first circumference wherein half the partition circular arc, and each electrode distributes in the first electrode at 2nOn the arbitrary n equal divisions of the first circumference of equal division, all the other positions are provided with the second electrode, the position arrangement of second electrode makes first brush carry out the pivoted in-process by first rotor and contact with the second electrode all the time, consequently first brush can make the circular telegram return circuit switch-on that second electrode and first electrode place when rotating in-process and each electrode contact in the first electrode, the utility model discloses each electrode all is in same first circumference in the structure of above-mentioned face rotation sensor, on the coplanar promptly; when realizing the face rotation of magic cube and examining, need not set up a plurality of rings on the code wheel, compare the absolute encoder among the prior art, the utility model discloses the face rotation sensor of magic cube has the advantage that the structure is simpler and the volume is littleer.
(2) The utility model discloses in the face of magic cube rotated the sensor, to n electrodes in first electrode, can follow 2nThe randomly selected n equal parts of the first circumference of the equal parts are arranged, so that the arrangement mode of the n electrodes in the first electrode is totally
Figure DEST_PATH_GDA0002371661180000051
The arrangement mode is very diversified; in addition, for the first brush, the brush may be arranged along the above 2nEqual parts of any 2 of the first circumferencen-1Arranging equal parts of a first circumference; the first brushes are therefore arranged in a total of
Figure DEST_PATH_GDA0002371661180000052
The arrangement is also very diversified. For example, when the angle detection precision in magic is pi/4, that is, the number of the electrodes in the first electrode is n is 3, 3 electrodes may be arranged to be spaced at an angle of pi/4 degrees on the first circumference of the code surface; for the first brush, two segments can be arranged, namely a first segment first brush and a second segment first brush, the first segment first brush and the second segment first brush are in electric connection relation, the arc length of the first segment first brush is 3/8 of a first circumference where the first electrode and the second electrode are located, and the arc length of the second segment first brush is 1/8 of the first circumference where the first electrode and the second electrode are located. Therefore, the utility model discloses well electrode and first brush's arrangement mode is very many, can arrange electrode and first brush according to actual conditions, has the advantage that the structure is nimble.
(3) The utility model discloses among the face rotation sensor of magic cube, the number N of electrode in the first electrode sets up to the angle detection precision in the aspect of the magic according to face rotation sensor, when the angle detection precision in the aspect of the magic is pi/N, then the number N of electrode in the first electrode is: n is log22N, N being an integral power of 2. Therefore, the utility model discloses in, can set up the number of electrode in the first electrode according to the angle detection precision in the aspect of the magic to realize the angle detection precision in the aspect of various magic.
(4) The surface rotation sensor of the magic cube of the utility model also comprises a second rotor and a second electric brush, and a third electrode and a fourth electrode are arranged on the code disc; the third electrode and the fourth electrode are arranged on a second circumference of the code surface, and the circumference is the periphery of the first circumference; the second brush is arranged on the second rotor and is driven by the second rotor to rotate relative to the third electrode and the fourth electrode along the second circumference; the third electrode comprises a plurality of electrodes, and the number of the electrodes in the third electrode is set, and the arrangement of the positions on the second circumference is the same as that of the first electrode; the fourth electrode is disposed on the second circumference such that the second brush contacts the fourth electrode when rotated to any position. The utility model discloses in, the rotation that can realize one of them face of magic cube through the rotation of first rotor drive first brush detects, and the rotation that can realize another face of magic cube through the rotation that the second rotor drove first brush detects, consequently the utility model discloses go up the structure and make each face rotation sensor can realize simultaneously that the rotation of two rotation planes of magic cube detects, not only include the magic cube that the inlayer rotated the face still including outer rotation plane to 4 ranks, 5 ranks, pyramid etc. for example, the utility model discloses profile rotation sensor can realize realizing simultaneously that magic cube inlayer and outer face rotate and detect.
(5) In the surface rotation sensor of the magic cube of the utility model, the surface rotation sensor can also comprise a second rotor, a second electric brush, a third rotor and a third electric brush, and a third electrode, a fourth electrode, a fifth electrode and a sixth electrode are arranged on the code disc; the third electrode and the fourth electrode are arranged on a second circumference of the code disc surface, and the second brush is arranged on the second rotor and is driven by the second rotor to rotate along the second circumference relative to the third electrode and the fourth electrode; the fifth electrode and the sixth electrode are arranged on the same circumference of the code disc surface, the circumference is defined as a third circumference, the third circumference is positioned on the periphery of a second circumference where the fifth electrode and the sixth electrode are positioned, and the third electric brush is driven by the third rotor to rotate relative to the fifth electrode and the sixth electrode along the third circumference; the third electrode and the fifth electrode respectively comprise a plurality of electrodes, and the number of the electrodes in the third electrode and the fifth electrode and the arrangement of the electrodes on the position on the first circumference are the same as those of the first electrode; the fourth electrode is disposed on the second circumference such that the second brush contacts the fourth electrode when rotated to any position, and the sixth electrode is disposed on the third circumference such that the third brush contacts the sixth electrode when rotated to any position. The utility model discloses above-mentioned structure makes each face rotate the rotation that the sensor can realize the three rotation face of magic cube simultaneously and detects, for example not only include outer rotation face still including outer rotation face homonymy have the magic cube of two inlayer rotation faces to 6 ranks, 7 ranks etc.
(6) The axis structure of the magic cube comprises an inner core with a hollow inner part, a plurality of central axes and a surface rotation sensor for detecting the rotation of the rotating layer of the magic cube, wherein the surface rotation sensor is designed by the first purpose of the utility model; the surface of the inner core is provided with a through hole, each central shaft is respectively provided with a surface rotation sensor, and when the central shaft rotates, a first rotor of the surface rotation sensor arranged on the central shaft rotates along with the central shaft; each central shaft penetrates through each through hole on the surface of the inner core, and the surface rotation sensor is limited in the inner core and is positioned between the inner surface of the inner core and the central shaft stop block; the inner core is internally provided with a power supply and a microcontroller, each electrode in the first electrode in the surface rotation sensor, the first electric brush, the second electrode and the power supply form an electrifying loop, and each electrode in the first electrode is connected with an IO port of the microcontroller. The utility model discloses in, to rotating layer pivoted face rotation sensor in detecting the magic cube, install it on corresponding the center pin, then the center pin passes the through-hole on core surface, rotate the sensor restriction inside the core with the face, first rotor can follow the center pin and rotate among the face rotation sensor, because the tip that the center pin of magic cube did not take the dog is the fixed module (like the center block) of installation magic cube, when so fixed module place layer of magic cube rotates, it is rotating also to correspond the center pin, first rotor follows the center pin and rotates this moment, the level signal of giving microcontroller back to through each electrode in the first electrode can judge magic cube fixed module place layer pivoted angle. The axis structure of the magic cube of the utility model enables the surface rotation sensor for detecting the rotation of the surface of the magic cube to be arranged inside the inner core through the central shaft, all the wire connection relations are arranged inside the inner core, and the rotation of the central shaft can not drive the rotation of the circuit in the inner core, thereby avoiding the phenomenon that the circuit is twisted and broken due to the rotation of the central shaft in the prior art and prolonging the service life of the electronic magic cube; additionally the utility model discloses in, the center pin of traditional magic cube is the same completely among the part that each center pin in the axle center structure stretches out from kernel surface through-hole and the prior art, has only replaced the center rest of traditional magic cube with the kernel, and all other accessories of traditional magic cube that satisfy the kernel size except the kernel can all be installed on the kernel and become the electron magic cube, consequently the utility model discloses the axle center structure has compatible strong advantage, and traditional magic cube accessory is dismantled the back and is assembled the utility model discloses structural electron magic cube that can obtain in the axle center.
(7) In the axis structure of the magic cube, when the magic cube is a 2-step magic ball, a 3-step magic ball or a 12-surface magic ball, the detection of the rotation angle of each outer layer of the magic cube can be realized by installing a surface rotation sensor with a code disc and a first rotor on a central shaft which follows the rotation of each outer layer of the magic cube; when the magic cube is a 4-5-order magic cube, namely when the rotating surface of the magic cube is not only an outer layer but also an inner layer, the used surface rotation sensors are also provided with a second rotor and a third rotor, a third electrode and a fourth electrode are also arranged on the code disc, a sleeve is arranged on the central shaft and sleeved on the central shaft, the outer layer of the magic cube connected with the central shaft is connected with the sleeve on the same side of the inner core, and the sleeve can be driven to rotate when rotating; the second rotor of the sensor is installed on the sleeve in a rotating mode, the second rotor rotates along with the sleeve, rotation detection of the inner layer and the outer layer of the magic cube on the same side can be achieved simultaneously through the rotation sensors on all the surfaces, when the magic cube is a 6-7-order or pyramid magic cube, the used rotation sensors on all the surfaces are provided with the second rotor and the third rotor, the code disc is further provided with a third electrode, a fourth electrode, a fifth electrode and a sixth electrode, meanwhile, the first sleeve is sleeved on the axis structure, then the second sleeve is sleeved on the first sleeve, the sleeve is sleeved on the central shaft, the outer layer of the magic cube connected with the central shaft is located on the inner layer connecting sleeve on the same side of the inner core, and the corresponding sleeve can be driven to rotate during rotation; correspond installation face rotation sensor's second rotor and third rotor on first sleeve and second sleeve respectively, second rotor and third rotor can correspond respectively and follow first sleeve and second sleeve and rotate, consequently the utility model discloses a each rotation sensor can realize simultaneously that the magic cube detects with two inlayers and outer rotation of one side. Therefore, the axle center structure of the utility model can be suitable for various magic cube type intelligent toys entering WCA (International magic cube Association) competition.
(8) In the axis structure of the magic cube, the rotation sensors on each side are connected through the flexible circuit board, the microcontroller is arranged on the flexible circuit board, and the rotation sensors on each side are connected through the flexible circuit board; each electrode of a first electrode, a third electrode and a fifth electrode on each face rotation sensor code disc is respectively and correspondingly connected to an IO port of the microcontroller through a circuit on the flexible circuit board; the second electrode, the fourth electrode and the sixth electrode on the coded disc of each surface rotation sensor are connected to the circuit of the power-on loop on the flexible circuit board and then connected into the power-on loop; the surface rotation sensors greatly simplify the electrical connection relation in the core of the axis structure of the magic cube through the connection mode of the flexible circuit board, and meanwhile, the surface rotation sensors to be used in the magic cube are modularized through the mode, so that the surface rotation sensors are more convenient to install and maintain.
Drawings
Fig. 1 is a structural sectional view of a surface rotation sensor of a magic cube according to embodiment 1 of the present invention.
Fig. 2a to 2h are schematic diagrams illustrating a position arrangement of electrodes and brushes in the surface rotation sensor of the magic cube in embodiment 1 of the present invention.
Fig. 2i to 2p are schematic diagrams illustrating another arrangement of the position of the electrodes and the brushes in the surface rotation sensor of the magic cube in embodiment 1 of the present invention.
Fig. 3a to 3c are perspective views of the axis structure of the magic cube in embodiment 1 of the present invention.
Fig. 3d to 3f are schematic structural diagrams of a third-order magic cube in embodiment 1 of the present invention.
Fig. 4 is a schematic diagram of the embodiment 1 of the present invention after the respective rotation sensors are deployed.
Fig. 5 is a schematic structural view of a surface rotation sensor of the magic cube in embodiment 2 of the present invention.
Fig. 6 is a schematic diagram of the arrangement of the positions of the electrodes and the brushes in the surface rotation sensor of the magic cube in embodiment 2 of the present invention.
Fig. 7 is a schematic view of an axial structure of the magic cube in embodiment 2 of the present invention.
Fig. 8 is a schematic diagram of the embodiment 2 of the present invention after the respective rotation sensors are deployed.
Fig. 9 is a schematic structural view of a surface rotation sensor of a magic cube according to embodiment 3 of the present invention.
Fig. 10 is a schematic diagram of the arrangement of the positions of the electrodes and the brushes in the surface rotation sensor of the magic cube in embodiment 3 of the present invention.
Fig. 11 is a schematic view of an axial structure of a magic cube in embodiment 3 of the present invention.
Fig. 12 is a schematic view of the rotation sensors of the respective surfaces after being unfolded according to embodiment 3 of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following examples and drawings, but the present invention is not limited thereto.
Example 1
The embodiment discloses a surface rotation sensor of a magic cube, which comprises a code disc 1, a first electric brush 2 and a first rotor 3, wherein the code disc is provided with a first electrode and a second electrode which are arranged on the same first circumference of the code disc surface; the first brush is arranged on the first rotor and arranged along a first circumference where the first electrode and the second electrode are located, and the first brush is driven by the first rotor to rotate along the first circumference relative to the first electrode and the second electrode; when the first brush rotates to the position opposite to the first electrode, the first brush contacts with the first electrode.
The first electrode comprises a plurality of electrodes, and the number n of the electrodes in the first electrode is set according to the angle detection precision of the surface rotation sensor in magic.
N electrodes of the first electrodes are respectively arranged at 2nOn any n equal parts of the first circumference of the equal parts; will be provided withFirst brush along the above 2nEqual parts of any 2 of the first circumferencen-1The first circumference is arranged in equal parts, namely the first brush is arc-shaped, and the second electrode is arranged on the first circumference, so that the first brush is contacted with the second electrode when rotating to any position. The above structure according to the present embodiment; the first electrodes are arranged at first circumferential positions
Figure DEST_PATH_GDA0002371661180000081
The first brush is arranged along the first circumference
Figure DEST_PATH_GDA0002371661180000082
And (4) seed preparation. When the face of the code wheel on which the first electrode and the second electrode are arranged is used as the upper face of the code wheel, the first electric brush is positioned above the first circumference of the code wheel on which the first electrode and the second electrode are arranged, and when the first electric brush rotates to the position above the corresponding first electrode, the first electric brush is in contact with the first electrode below.
Fig. 1 is a schematic structural view of the surface rotation sensor of the present embodiment after being mounted on the central axis of the magic cube.
In this embodiment, when the angle detection accuracy for magic is pi/N, the number N of electrodes in the first electrode is:
n＝log22N, N being an integral power of 2.
For example, when 2 electrodes are required to be arranged in the first electrode according to the angle detection precision pi/2 of the surface rotation sensor in magic, the first circumference where the first electrode and the second electrode are located is divided into 4 equal parts, then 2 equal parts are randomly selected from the 4 equal parts, and the 2 electrodes in the first electrode are respectively and correspondingly arranged on the first circumference of the 2 equal parts selected; the first brushes are arranged along any 2 equal parts of the 4 equal parts of the first circumference, and the total arc length of the first brushes occupies half of the arc length of the first circumference of the code disc.
For example, when the angle detection precision in magic is pi/4, that is, the number n of the electrodes in the first electrode is 3, at this time, the first circumference where the first electrode and the second electrode are located is divided into 8 equal parts, then 3 equal parts are arbitrarily selected from the 8 equal parts, and the 3 electrodes in the first electrode are respectively and correspondingly arranged on the first circumference of the selected 3 equal parts; the first brush is arranged along any 4 equal parts of the 8 equal parts of the first circumference. As shown in fig. 2a to 2p, the position layout of each electrode 101, 102, 103, the second electrode 104 and the first brush 2 in the first electrode in this embodiment is shown, wherein the first brush may be a single segment or multiple segments, as shown in fig. 2a to 2p, the first brush is divided into two segments, which are a first segment brush and a second segment brush respectively, and the first segment brush and the second segment brush are in an electrical connection relationship, wherein the first segment brush is arranged along 1 equal segment of a first circumference of 8 equal segments, and the second segment brush is arranged along the other 3 equal segments of the first circumference of 8 equal segments.
The embodiment also discloses an axis structure of the magic cube, which is used for the magic cube only comprising an outer layer rotating surface; as shown in fig. 3a to 3c, the surface rotation sensor comprises a hollow inner core 21, a plurality of central shafts 22, and a surface rotation sensor 23 for detecting the rotation of the magic cube rotating layer, wherein the surface rotation sensor is the surface rotation sensor described above in this embodiment.
Through holes with the same number as the central shaft are arranged on the surface of the inner core, and the through holes are uniformly distributed on the surface of the inner core at intervals;
one end of each central shaft is provided with a stop block 25; each central shaft is provided with a surface rotation sensor, and when the central shaft rotates, a first rotor of the surface rotation sensor arranged on the central shaft rotates along with the central shaft; in the embodiment, through holes are arranged on a code disc and a rotor of the surface rotation sensor, and the code disc and the first rotor sequentially penetrate through a central shaft and are arranged at the end of a stop block of the central shaft; the inner wall of a first rotor through hole of the surface rotation sensor is attached to the outer wall of the central shaft and rotates along with the central shaft, and the diameter of the coded disc through hole is larger than that of the central shaft and does not rotate along with the central shaft. In this embodiment, after the code wheel of the surface rotation sensor and the first rotor are mounted on the center shaft, the code wheel is close to the center shaft stopper, and a spring washer is provided between the code wheel of the surface rotation sensor and the center shaft stopper.
The non-stop end of each central shaft extends through the through holes in the surface of the core to define the surface rotation sensor within the core and between the inner surface of the core and the central shaft stop. Fig. 3a shows the axial structure of the magic cube of this embodiment when the core shell is omitted, which is a structure convenient for observing the inside of the core, the axial structure of the actual magic cube is a structure in which the central axes pass through the through holes on the surface of the core and the surface rotation sensor is located inside the core as shown in fig. 3b, and fig. 3c is a cross-sectional view of the axial structure of the magic cube of this embodiment.
The power supply 24 and the microcontroller are arranged in the inner core, each electrode in the first electrode in the surface rotation sensor, the first electric brush, the second electrode and the power supply form an electrifying loop, and each electrode in the first electrode is respectively connected with each IO port of the microcontroller.
In this embodiment, the second electrode is grounded, that is, connected to the positive terminal of the power supply, each electrode in the first electrode is connected to each IO port of the microcontroller, and if there is a pull-up resistor in the IO port connected between the microcontroller and each electrode in the first electrode, each electrode in the first electrode is connected to the positive terminal of the power supply through the pull-up resistor of each IO port, and at this time, each electrode in the first electrode is not connected to another resistor and the power supply; if the IO port connected with each electrode in the first electrode by the microcontroller does not have a pull-up resistor, each electrode in the first electrode is also connected with the positive end of the power supply through the resistor; each electrode in the first electrode is communicated with the second electrode through a brush; for each electrode in the first electrodes, when the first electric brush is in contact with the electrode, a power-on loop where the electrode is located is electrified, a low-level signal (0) is arranged on the electrode, and one end of the microcontroller connected with the electrode receives the low-level signal; when the first electric brush is not in contact with the electrode, the electrode is in a suspended state, and one end of the microcontroller connected with the electrode receives a high-level signal (1). Therefore, in the embodiment, the microcontroller can determine the contact condition of each electrode in the first brush and the first electrode according to the level signal received by each IO port; the rotation of first brush will change the contact condition of each electrode in the first electrode, therefore microcontroller can confirm the turned angle of first brush according to the level signal change condition that each IO port received in this embodiment to the turned angle in the magic aspect that further confirms drive center pin pivoted. In this embodiment, of course, the first electrode, the second electrode and the first brush may be electrically connected in other manners, as long as the microcontroller can receive two different level signals corresponding to the IO port in two cases of the first brush and the first electrode, where the electrodes are in contact and non-contact.
If the first electrode and the second electrode on the code disc are arranged as shown in fig. 2a to 2h, that is, if the detection accuracy of the surface rotation sensor is pi/4, that is, 45 degrees, the first electrode includes three electrodes 101, 102, and 103, where fig. 2a to 2h are schematic diagrams of the first rotor when the first brush rotates one turn counterclockwise and each 45 degrees rotates, and when the brush rotates one turn counterclockwise, the level signals received by the IO ports of the microcontroller connected with the three electrodes 101, 102, and 103 in the first electrode will be respectively: 011, 111, 100, 010, 110, 101, 001, 000. If the first electrode and the second electrode on the code wheel are arranged as shown in fig. 2i to 2p, where fig. 2i to 2p are respectively schematic diagrams when the first rotor rotates one counterclockwise rotation of the first brush, the level signals received by the IO ports of the microcontroller connected to the three electrodes 101, 102 and 103 in the first electrode when the first brush rotates one counterclockwise rotation will be respectively: 001. 010, 101, 011, 111, 110, 100, 000; the microcontroller can determine the current rotation angle of the brush according to the currently received level signal, for example, with respect to the position diagrams of the first electrode and the second electrode on the code disc shown in fig. 2a to 2h, the first brush rotates from the diagram shown in fig. 2a, if the IO port of the microcontroller connecting the three electrodes 101, 102 and 103 in the first electrode receives the level signals of 011, 111 and 100, it can be determined that the first brush rotates 90 degrees counterclockwise compared with the starting time, and the magic cube driving the spindle to rotate in the middle can be determined to rotate 90 degrees counterclockwise according to the rotation angle of the first brush.
In the embodiment, the rotation sensors on all sides are connected through the flexible circuit board, and the microcontroller is arranged on the flexible circuit board; each electrode in the first electrodes on the code disc of each side rotation sensor is respectively and correspondingly connected to an IO port of the microcontroller through a circuit on the flexible circuit board; the second electrode on the coded disc of each side rotation sensor is connected into the power-on loop through a circuit on the flexible circuit board;
as shown in fig. 4, when the number of the surface rotation sensors 23 is 6, after the 6 surface rotation sensors 23 are connected by the flexible circuit board 26, and each surface rotation sensor is unfolded by the flexible circuit board, 5 of the surface rotation sensors are connected by the flexible circuit board to form a cross structure, and the other 1 surface rotation sensor is connected to 1 surface rotation sensor among the 5 surface rotation sensors by the flexible circuit board.
In this embodiment, as shown in fig. 3a to 3c, the central shaft may be a screw, and the stopper at one end of the central shaft is a nut of the screw.
In this embodiment, as shown in fig. 1, each face rotation sensor is further provided with a first cover plate 31, the first cover plate 31 is provided with a through hole, after the code wheel 1 and the first rotor 3 of the face rotation sensor are mounted on the central shaft, the first cover plate through hole passes through the central shaft, the bottom edge of the first cover plate is fixed on the code wheel, and the first rotor is covered by the first cover plate. Above-mentioned first cover plate makes face rotation sensor's structure compacter, also separates first rotor and first brush and other parts on the axle center structure of magic cube simultaneously, avoids receiving the influence of other parts.
In the present embodiment, the first rotor in the area drive sensor is an insulating member, so that the first brush is insulated from the other members except for the first electrode and the second electrode on the code wheel.
The axis structure of the magic cube in the embodiment is suitable for being applied to 2-order, 3-order or 12-body 5-magic-ball magic cubes, when the axis structure is applied to 2-order and 3-order magic cubes, the number of the central shafts in the axis structure of the magic cube in the embodiment is 6, the number of the surface rotation sensors is 6, and the code disc and the first rotor of each surface rotation sensor are respectively installed on each central shaft. When the magic cube is applied to a magic cube with a 12-face body 5, the number of the central shafts in the axis structure of the magic cube in the embodiment is 12, the number of the face rotation sensors is 12, and the code disc and the first rotor of each face rotation sensor are respectively installed on each central shaft.
This embodiment also discloses a magic cube, as shown in fig. 3d to 3f, which includes a plurality of center blocks and the above-mentioned axis structure of the magic cube of this embodiment, and each center axis 22 is correspondingly provided with a center block 27 of the magic cube. Fig. 3d shows a schematic view of the assembled magic cube with the center block 27, fig. 3e shows a schematic view of the assembled magic cube shown in fig. 3d after the corner blocks and the prism blocks are mounted, and fig. 3f shows a final magic cube finally assembled in fig. 3 e.
Example 2
The present embodiment discloses a surface rotation sensor of a magic cube, which is different from the surface rotation sensor of the magic cube in embodiment 1 only in that, as shown in fig. 5, the surface rotation sensor of the magic cube of the present embodiment further includes a second rotor 4 and a second brush 5, and a third electrode and a fourth electrode are further provided on the code wheel.
In the embodiment, the third electrode and the fourth electrode are arranged on the same circumference of the code surface, and the circumference is defined as a second circumference; the second circumference is positioned at the periphery of the first circumference where the first electrode and the second electrode are positioned, the second electric brush is arranged on the second rotor, and the second electric brush is driven by the second rotor to rotate relative to the third electrode and the fourth electrode along the second circumference; when the second brush rotates to the position opposite to the third electrode, the second brush contacts with the third electrode.
In this embodiment, the third electrode includes a plurality of electrodes, and the number n of the electrodes in the third electrode is set according to the angle detection accuracy of the surface rotation sensor in the magic aspect; n electrodes of the third electrodes are respectively arranged at 2nOn any n of the aliquots; a second brush is arranged along the above 2nEqual part of any 2 of the second circumferencen-1Arranging the equal parts; the fourth electrode is disposed on the second circumference such that the second brush contacts the fourth electrode when rotated to any position.
The above structure according to the present embodiment; the third electrodes are arranged at the second circumference
Figure DEST_PATH_GDA0002371661180000111
A second electric brushThe position arrangement along the second circumference is
Figure DEST_PATH_GDA0002371661180000112
And (4) seed preparation. When the face of the code wheel on which the third electrode and the fourth electrode are arranged is used as the upper face of the code wheel, the second brush is located above the second circumference of the code wheel on which the third electrode and the fourth electrode are located, and when the second brush rotates to the position above the corresponding third electrode, the second brush is in contact with the lower third electrode.
In this embodiment, the number of electrodes in the third electrode is the same as the number of electrodes in the first electrode.
In this embodiment, when the angle detection precision in magic is pi/4, that is, the number n of the electrodes in the first electrode and the third electrode is 3, the second circumference where the third electrode and the fourth electrode are located is divided into 8 equal parts, then 3 equal parts are arbitrarily selected from the 8 equal parts, and 3 electrodes in the third electrode are respectively and correspondingly arranged on the second circumferences of the selected 3 equal parts; the first brush is arranged along any 4 equal parts of the 8 equal parts of the second circumference. As shown in fig. 6, the positional arrangement diagram of the respective electrodes 301, 302, 303, the fourth electrode 304, and the second brush 5 in the third electrode in the present embodiment is shown.
The embodiment also discloses an axis structure of the magic cube, the axis structure of the magic cube is used for an outer layer rotating surface and an inner layer rotating surface, the number of the inner layer rotating surfaces on the same side of the outer layer rotating surface is 1, and the inner layer rotating surface on the same side of the outer layer rotating surface refers to an inner layer rotating surface which takes the inner core as a boundary and belongs to the same side of the inner core as the outer layer rotating surface; the difference between the axis structure of the magic cube in this embodiment and the axis structure of the magic cube in embodiment 1 is only that: as shown in fig. 7, the surface rotation sensor 23 used in the axial center structure of the magic cube of the present embodiment is the surface rotation sensor disclosed above in the present embodiment; in addition, the axis structure of the magic cube of the present embodiment further includes first sleeves 40, the number of which is the same as that of the central shaft.
In the present embodiment, the number of the surface rotation sensors 23 is the same as the number of the central shafts 22, and the code wheel and the first rotor of each surface rotation sensor are respectively mounted on each central shaft; after the code disc and the first rotor of each surface rotation sensor are arranged on each central shaft, each first sleeve is sleeved on each central shaft; a second rotor in the surface rotation sensor is arranged on a first sleeve and rotates along with the first sleeve; the central shafts sleeved with the first sleeves and the first sleeves on the central shafts penetrate through the through holes on the surface of the inner core together; the first sleeves rotate along the inner layer rotating surfaces in the magic cube correspondingly and respectively; each electrode in a third electrode on a code disc in the surface rotation sensor, a second electric brush, a fourth electrode and a power supply form an electrifying loop, and each electrode in the third electrode is connected with each IO port of the microcontroller respectively;
in this embodiment, the fourth electrode is grounded, and each electrode in the third electrode is connected to each IO port of the microcontroller; if the pull-up resistor exists at the IO port connected with each electrode in the third electrode and the microcontroller, each electrode in the third electrode is connected with the power supply through the pull-up resistor of each IO port, and at the moment, each electrode in the third electrode is not connected with the resistor and the power supply additionally; if the IO port connected with each electrode in the third electrode by the microcontroller does not have a pull-up resistor, each electrode in the third electrode is also connected with a power supply through a resistor; each electrode in the third electrode is communicated with the fourth electrode through a second electric brush; for each electrode in the third electrodes, when the second electric brush is in contact with the electrode, the electrifying loop of the electrode is electrified, a low-level signal (0) is on the electrode, and one end of the microcontroller connected with the electrode receives the low-level signal; when the second brush is not in contact with the electrode, the electrode is in a suspended state, and one end of the microcontroller connected with the electrode receives a high-level signal (1). Therefore, in the embodiment, the microcontroller can determine the contact condition of the second brush and each electrode in the third electrode according to the level signal received by each IO port connected with each electrode in the third electrode; the rotation of second brush will change the contact condition of each electrode in the third electrode, therefore microcontroller can confirm the turned angle of second brush according to the level signal change condition that each IO port received in this embodiment to further confirm the turned angle in the magic aspect that drives first sleeve pivoted.
In the embodiment, the rotation sensors on all sides are connected through the flexible circuit board, and the microcontroller is arranged on the flexible circuit board; the first electrode and the third electrode on the code disc of each surface rotation sensor are respectively and correspondingly connected to an IO port of the microcontroller through a circuit on the flexible circuit board; the second electrode and the fourth electrode on each face rotation sensor code disc are connected to the circuit of the power-on loop, and then the wires are connected together on the flexible circuit board and then connected into the power-on loop.
As shown in fig. 8, when the number of the surface rotation sensors 23 is 6, after the 6 surface rotation sensors are connected by the flexible circuit board, and each surface rotation sensor is unfolded by the flexible circuit board, 5 of the surface rotation sensors are connected by the flexible circuit board to form a cross structure, and the other 1 surface rotation sensor is connected to 1 surface rotation sensor among the 5 surface rotation sensors by the flexible circuit board.
In this embodiment, as shown in fig. 5, each face rotation sensor is further provided with a first cover plate 31 and a second cover plate 32, the first cover plate is provided with a through hole, after the code wheel of the face rotation sensor and the first rotor are mounted on the central shaft, the first cover plate through hole passes through the central shaft, the bottom edge of the first cover plate is fixed on the code wheel, and the first rotor is covered by the first cover plate. The second cover plate is provided with a through hole, after a second rotor of the surface rotation sensor is arranged on the first sleeve, the through hole of the second cover plate penetrates through the first sleeve, the edge of the bottom of the second cover plate is fixed on the code disc, and the second rotor is covered by the second cover plate; the first cover plate and the second cover plate enable the structure of the surface rotation sensor to be more compact, and meanwhile, the first rotor, the first electric brush, the second rotor, the second electric brush and other parts on the axis structure of the magic cube are separated, so that the influence of other parts is avoided.
The axis structure of the magic cube in the embodiment is suitable for being applied to 4-order and 5-order magic cubes comprising outer-layer rotating surfaces and inner-layer rotating surfaces, wherein each central shaft is driven by each outer-layer rotating surface of the magic cube to rotate, and the first sleeve sleeved in each central shaft is driven by the inner-layer rotating surface which is connected with the central shaft and is positioned at the same side of the inner core.
The embodiment also discloses a magic cube, which comprises a plurality of central blocks and the axis structure of the magic cube, wherein each central shaft is correspondingly provided with the central block of one magic cube.
Example 3
The present embodiment discloses a surface rotation sensor of a magic cube, as shown in fig. 9, the difference from the surface rotation sensor of the magic cube in embodiment 1 is only that the surface rotation sensor of the magic cube in this embodiment further includes a second rotor 4, a second brush 5, a third rotor 6 and a third brush 7, and a third electrode, a fourth electrode, a fifth electrode and a sixth electrode are further disposed on a code wheel.
In this embodiment, the third electrode and the fourth electrode are arranged on the same circumference of the code surface, and the circumference is defined as a second circumference; the second circumference is positioned at the periphery of the first circumference where the first electrode and the second electrode are positioned, the second electric brush is arranged on the second rotor, and the second electric brush is driven by the second rotor to rotate relative to the third electrode and the fourth electrode along the second circumference; when the second brush rotates to the position opposite to the third electrode, the second brush is contacted with the third electrode; the third electrode comprises a plurality of electrodes, and the number n of the electrodes in the third electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the third electrodes are respectively arranged at 2nOn any n of the aliquots; a second brush is arranged along the above 2nEqual part of any 2 of the second circumferencen-1Arranging the equal parts; the fourth electrode is disposed on the second circumference such that the second brush contacts the fourth electrode when rotated to any position.
In the embodiment, the fifth electrode and the sixth electrode are arranged on the same circumference of the code disc surface, the circumference is defined as a third circumference, the third circumference is positioned on the periphery of a second circumference where the fifth electrode and the sixth electrode are positioned, and the third brush is driven by the third rotor to rotate along the third circumference relative to the fifth electrode and the sixth electrode; when the third brush rotates to the position opposite to the fifth electrode, the third brush contacts with the fifth electrode; the fifth electrode comprises multiple electrodes, and the electrode in the fifth electrodeThe number n of the angle sensors is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the fifth electrodes are respectively arranged at 2nOn any n equal parts of the third circumference of the equal parts; arranging a third brush along the above 2nEqual parts of any 2 of the third circumferencen-1Arranging the equal parts; the sixth electrode is disposed on the third circumference such that the third brush contacts the sixth electrode when rotated to any position.
The above structure according to the present embodiment; the third electrodes are arranged at the second circumference
Figure DEST_PATH_GDA0002371661180000131
The second brush is arranged along the second circumference
Figure DEST_PATH_GDA0002371661180000132
In another embodiment, the fifth electrodes are arranged at the third circumferential position
Figure DEST_PATH_GDA0002371661180000133
The third brush is arranged along the third circumference
Figure DEST_PATH_GDA0002371661180000134
And (4) seed preparation. When the face of the code wheel on which the third electrode and the fourth electrode are arranged is used as the upper face of the code wheel, the second brush is located above the second circumference of the code wheel on which the third electrode and the fourth electrode are located, and when the second brush rotates to the position above the corresponding third electrode, the second brush is in contact with the lower third electrode. When the face of the code wheel on which the fifth electrode and the sixth electrode are arranged is used as the upper face of the code wheel, the third brush is positioned above the third circumference of the fifth electrode and the sixth electrode, and when the third brush rotates to the position above the corresponding fifth electrode, the third brush is in contact with the fifth electrode below.
In this embodiment, the number of the third electrode and the fifth electrode is the same as the number of the first electrode.
In this embodiment, when the angle detection precision in magic is pi/4, that is, the number n of the electrodes in the first electrode, the third electrode and the fifth electrode is 3, at this time, the second circumference where the third electrode and the fourth electrode are located is divided into 8 equal parts, then 3 equal parts are arbitrarily selected from the 8 equal parts, and 3 electrodes in the third electrode are respectively and correspondingly arranged on the second circumferences of the 3 equal parts selected above; arranging the first electric brush along any 4 equal parts of the 8 equal parts of the second circumference, dividing the third circumference where the fifth electrode and the sixth electrode are located into 8 equal parts, and then randomly selecting 3 equal parts from the 8 equal parts, wherein 3 electrodes in the fifth electrode are respectively and correspondingly arranged on the selected third circumference of the 3 equal parts; the third brush is arranged along any 4 equal segments of the 8 equal segments of the third circumference. As shown in fig. 10, the position layout of each of the electrodes 501, 502, 503, the sixth electrode 504, and the third brush 7 in the fifth electrode in the present embodiment is shown.
The embodiment also discloses an axial structure of the magic cube, as shown in fig. 11; the axis structure of the magic cube is used for an outer layer rotating surface and an inner layer rotating surface, the number of the inner layer rotating surfaces on the same side of the outer layer rotating surface is 2, and the inner layer rotating surfaces on the same side of the outer layer rotating surface refer to inner layer rotating surfaces which take an inner core as a boundary and belong to the same side of the inner core as the outer layer rotating surface; the difference between the axis structure of the magic cube in this embodiment and the axis structure of the magic cube in embodiment 1 is only that the surface rotation sensor used in the axis structure of the magic cube in this embodiment is the surface rotation sensor 23 disclosed above in this embodiment; in addition, the axis structure of the magic cube of the present embodiment further includes a first sleeve 40 and a second sleeve 41, which are the same in number as the central shaft 22.
In the present embodiment, the code wheel 1 and the first rotor 3 of each face rotation sensor 23 are respectively mounted on each center shaft; after the code disc and the first rotor of each surface rotation sensor are installed on each central shaft, and after the code disc and the first rotor of each surface rotation sensor are installed on each central shaft, each first sleeve is sleeved on each central shaft, and each second sleeve is sleeved on each first sleeve; a second rotor in the surface rotation sensor is arranged on a first sleeve and rotates along with the first sleeve; a third rotor in the surface rotation sensor is arranged on a second sleeve and rotates along with the second sleeve; the central shafts sleeved with the first sleeve and the second sleeve and the first sleeve and the second sleeve on the central shafts penetrate through the through holes on the surface of the inner core together; the central shafts respectively rotate along with the outer rotating surfaces, corresponding to and connected with the outer rotating surfaces, in the magic cube, and the first sleeves and the second sleeves respectively rotate along with the inner rotating surfaces, corresponding to and connected with the inner rotating surfaces, in the magic cube; the inner layer of the magic cube connected with the second sleeve is closer to the center of the magic cube than the inner layer of the magic cube connected with the first sleeve; each electrode in the third electrode, the second electric brush, the fourth electrode and the power supply form an electrifying loop, and each electrode in the third electrode on the code disc in the surface rotation sensor is respectively connected with each IO port of the microcontroller; and each electrode in a fifth electrode on a code disc in the surface rotation sensor, the third electric brush, the sixth electrode and the power supply form an electrifying loop, and each electrode in the fifth electrode is respectively connected with each IO port of the microcontroller.
In this embodiment, the fourth electrode is grounded, and each electrode in the third electrode is connected to each IO port of the microcontroller; if the pull-up resistor exists at the IO port connected with each electrode in the third electrode and the microcontroller, each electrode in the first electrode is connected with the power supply through the pull-up resistor of each IO port, and at the moment, each electrode in the third electrode is not connected with the resistor and the power supply additionally; if the IO port connected with each electrode in the third electrode by the microcontroller does not have a pull-up resistor, each electrode in the third electrode is also connected with a power supply through a resistor; each electrode in the third electrode is communicated with the fourth electrode through a second electric brush; for each electrode in the third electrodes, when the second electric brush is in contact with the electrode, the electrifying loop of the electrode is electrified, a low-level signal (0) is on the electrode, and one end of the microcontroller connected with the electrode receives the low-level signal; when the second brush is not in contact with the electrode, the electrode is in a suspended state, and one end of the microcontroller connected with the electrode receives a high-level signal (1). Therefore, in the embodiment, the microcontroller can determine the contact condition of the second brush and each electrode in the third electrode according to the level signal received by each IO port connected with each electrode in the third electrode; the rotation of second brush will change the contact condition of each electrode in the third electrode, therefore microcontroller can confirm the turned angle of second brush according to the level signal change condition that each IO port received in this embodiment to further confirm the turned angle in the magic aspect that drives first sleeve pivoted.
In this embodiment, the sixth electrode is grounded, and each electrode in the fifth electrode is connected to each IO port of the microcontroller; if the pull-up resistor exists in the IO port connected with each electrode in the fifth electrode and the microcontroller, each electrode in the fifth electrode is connected with the power supply through the pull-up resistor of each IO port, and at the moment, each electrode in the fifth electrode is not connected with another resistor and the power supply; if the IO port connected with each electrode in the fifth electrode by the microcontroller does not have a pull-up resistor, each electrode in the fifth electrode is also connected with a power supply through a resistor; each electrode in the fifth electrode is communicated with the sixth electrode through a third electric brush; for each electrode in the fifth electrodes, when the third electric brush is in contact with the electrode, a power-on loop where the electrode is located is electrified, a low-level signal (0) is arranged on the electrode, and one end of the microcontroller connected with the electrode receives the low-level signal; when the third brush is not in contact with the electrode, the electrode is in a suspended state, and one end of the microcontroller connected with the electrode receives a high-level signal (1). Therefore, in the present embodiment, the microcontroller may determine the contact condition between the third brush and each electrode in the fifth electrode according to the level signal received by each IO port connected to each electrode in the fifth electrode; the rotation of the third brush changes the contact condition of each electrode in the fifth electrode, so that in this embodiment, the microcontroller can determine the rotation angle of the third brush according to the level signal change condition received by each IO port, thereby further determining the rotation angle in the magic aspect driving the second sleeve to rotate.
In the present embodiment, as shown in fig. 12, the surface rotation sensors 23 are connected to each other by a flexible circuit board 26 on which a microcontroller is provided; each electrode of the first electrode, the third electrode and the fifth electrode on the code disc of each surface rotation sensor is respectively and correspondingly connected to an IO port of the microcontroller through a circuit on the flexible circuit board; the second electrode, the fourth electrode and the sixth electrode on the code disc of each face rotation sensor are connected with the circuit of the power-on loop, and then the wires are connected together on the flexible circuit board and then connected into the power-on loop.
When the number of the surface rotation sensors is 6, after the 6 surface rotation sensors are connected through the flexible circuit board, when each surface rotation sensor is unfolded through the flexible circuit board, 5 surface rotation sensors are connected through the flexible circuit board to form a cross structure, and in addition, 1 surface rotation sensor is connected with 1 surface rotation sensor in the 5 surface rotation sensors through the flexible circuit board.
In this embodiment, as shown in fig. 11, each face rotation sensor is further provided with a first cover plate 31 provided with a through hole, a second cover plate 32 passing through the center shaft after the code wheel of the face rotation sensor and the first rotor are mounted on the center shaft, and the bottom edge of the first cover plate is fixed to the code wheel and the first rotor is covered by the first cover plate 32. The second cover plate is provided with a through hole, after a second rotor of the surface rotation sensor is arranged on the first sleeve, the through hole of the second cover plate penetrates through the first sleeve, the edge of the bottom of the second cover plate is fixed on the code disc, and the second rotor is covered by the second cover plate; the third cover plate is provided with a through hole, the third cover plate through hole penetrates through the second sleeve after the third rotor is installed on the second sleeve, the edge of the bottom of the third cover plate is fixed on the code disc, and the third rotor is covered by the third cover plate; the first cover plate, the second cover plate and the third cover plate enable the structure of the surface rotation sensor to be more compact, and meanwhile, the first rotor and the first electric brush, the second rotor and the second electric brush, and the third rotor and the third electric brush are respectively separated from other parts on the axis structure of the magic cube, so that the influence of other parts is avoided.
The axis structure of the magic cube in the embodiment is suitable for being applied to 6-order and 7-order magic cubes comprising outer-layer rotating surfaces and inner-layer rotating surfaces, wherein 2 inner-layer rotating surfaces which are positioned on the same side with the outer-side rotating surfaces in the magic cube are provided. The axis structure of the magic cube comprises 6 central shafts, 6 first sleeves and 6 second sleeves.
Each central shaft is driven by each outer layer rotating surface of the magic cube to rotate, and a first sleeve sleeved in each central shaft is driven by an inner layer rotating surface which is connected with the central shaft and the outer layer of which is positioned at the same side of the inner core to rotate; the second sleeve sleeved in each central shaft is driven to rotate by an inner layer rotating surface which is connected with the central shaft and the outer layer of which is positioned at the same side of the inner core.
The embodiment also discloses a magic cube, which comprises a plurality of central blocks and the axis structure of the magic cube, wherein each central shaft is correspondingly provided with the central block of one magic cube.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims (10)

1. A surface rotation sensor of a magic cube is characterized by comprising a code disc, a first electric brush and a first rotor, wherein a first electrode and a second electrode are arranged on the code disc, are arranged on the same circumference of the code disc and define the circumference as a first circumference; the first brush is arranged on the first rotor and arranged along a first circumference where the first electrode and the second electrode are located, and the first brush is driven by the first rotor to rotate relative to the first electrode and the second electrode along the first circumference; when the first brush rotates to the position opposite to the first electrode, the first brush is contacted with the first electrode;
the first electrode comprises n electrodes;
n electrodes of the first electrodes are respectively arranged at 2nOn any n equal parts of the first circumference of the equal parts; arranging a first brush along the above 2nEqual parts of any 2 of the first circumferencen-1Arranging the equal parts;
the second electrode is arranged on the first circumference such that the first brush contacts the second electrode when rotated to any position.
2. A surface rotation sensor of a magic cube according to claim 1, wherein the number N of electrodes in the first electrode is set according to the angle detection accuracy of the surface rotation sensor for magic, and when the angle detection accuracy for magic is pi/N, the number N of electrodes in the first electrode is:
n＝log22N, N being an integral power of 2.
3. The surface rotation sensor of a magic cube of claim 1, wherein the surface rotation sensor further comprises a second rotor and a second brush, and the code wheel is further provided with a third electrode and a fourth electrode; the third electrode and the fourth electrode are arranged on the same circumference of the code disc surface, and the circumference is defined as a second circumference; the second circumference is positioned at the periphery of the first circumference where the first electrode and the second electrode are positioned, the second electric brush is arranged on the second rotor, and the second electric brush is driven by the second rotor to rotate relative to the third electrode and the fourth electrode along the second circumference; when the second brush rotates to the position opposite to the third electrode, the second brush is contacted with the third electrode;
the third electrode comprises a plurality of electrodes, and the number n of the electrodes in the third electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the third electrodes are respectively arranged at 2nOn any n of the aliquots; a second brush is arranged along the above 2nEqual part of any 2 of the second circumferencen-1Arranging the equal parts; the fourth electrode is disposed on the second circumference such that the second brush contacts the fourth electrode when rotated to any position.
4. The surface rotation sensor of a magic cube of claim 1, wherein the surface rotation sensor further comprises a second rotor, a second brush, a third rotor and a third brush, and a third electrode, a fourth electrode, a fifth electrode and a sixth electrode are further provided on the code wheel;
the third electrode and the fourth electrode are arranged on the same circumference of the code disc surface, and the circumference is defined as a second circumference; the second circumference is arranged at the periphery of the first circumference where the first electrode and the second electrode are arranged, the second electric brush is arranged on the second rotor, and the second rotor drives the second electric brush to be opposite to the second electric brush along the second circumferenceThe third electrode and the fourth electrode rotate; when the second brush rotates to the position opposite to the third electrode, the second brush is contacted with the third electrode; the third electrode comprises a plurality of electrodes, and the number n of the electrodes in the third electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the third electrodes are respectively arranged at 2nOn any n of the aliquots; a second brush is arranged along the above 2nEqual part of any 2 of the second circumferencen-1Arranging the equal parts; the fourth electrode is arranged on the second circumference so that the second brush is in contact with the fourth electrode when rotated to any position;
the fifth electrode and the sixth electrode are arranged on the same circumference of the code disc surface, the circumference is defined as a third circumference, the third circumference is positioned on the periphery of a second circumference where the fifth electrode and the sixth electrode are positioned, and the third electric brush is driven by the third rotor to rotate relative to the fifth electrode and the sixth electrode along the third circumference; when the third brush rotates to the position opposite to the fifth electrode, the third brush contacts with the fifth electrode; the fifth electrode comprises a plurality of electrodes, and the number n of the electrodes in the fifth electrode is set according to the angle detection precision of the surface rotation sensor in the magic aspect; n electrodes of the fifth electrodes are respectively arranged at 2nOn any n equal parts of the third circumference of the equal parts; arranging a third brush along the above 2nEqual parts of any 2 of the third circumferencen-1Arranging the equal parts; the sixth electrode is disposed on the third circumference such that the third brush contacts the sixth electrode when rotated to any position.
5. An axis structure of a magic cube is characterized by comprising an inner core with a hollow inner part, a plurality of central shafts and a surface rotation sensor for detecting the rotation of a rotating layer of the magic cube, wherein the surface rotation sensor is the surface rotation sensor according to any one of claims 1 to 4;
the surface of the inner core is provided with through holes with the same number as the central shaft, and the through holes are uniformly distributed on the surface of the inner core at intervals;
one end of each central shaft is provided with a stop block; each central shaft is provided with a surface rotation sensor, and when the central shaft rotates, a first rotor of the surface rotation sensor arranged on the central shaft rotates along with the central shaft;
one end of each central shaft without a stop block penetrates through each through hole on the surface of the inner core, and the surface rotation sensor is limited in the inner core and is positioned between the inner surface of the inner core and the central shaft stop block;
the surface rotation sensor is characterized in that a power supply and a microcontroller are arranged in the inner core, each electrode in the first electrode in the surface rotation sensor, the first electric brush, the second electrode and the power supply form an electrifying loop, and each electrode in the first electrode is connected with each IO port of the microcontroller respectively.
6. The hub structure of a magic cube according to claim 5, wherein the hub structure of a magic cube further comprises first sleeves the same number as the number of the central shafts on which the code discs and the first rotors of the respective face rotation sensors are mounted, respectively; after the code disc and the first rotor of each surface rotation sensor are arranged on each central shaft, each first sleeve is sleeved on each central shaft; a second rotor in the surface rotation sensor is arranged on a first sleeve and rotates along with the first sleeve; the central shafts sleeved with the first sleeves and the first sleeves on the central shafts penetrate through the through holes on the surface of the inner core together; the first sleeves rotate along the inner layer rotating surfaces in the magic cube correspondingly and respectively; each electrode in a third electrode on a code disc in the surface rotation sensor, a second electric brush, a fourth electrode and a power supply form an electrifying loop, and each electrode in the third electrode is connected with each IO port of the microcontroller respectively;
or the axis structure of the magic cube further comprises a first sleeve and a second sleeve, wherein the number of the first sleeve and the second sleeve is the same as that of the central shaft; a coded disc and a first rotor of a surface rotation sensor in the axis structure of the magic cube are respectively arranged on each central shaft; after the code disc and the first rotor of each surface rotation sensor are installed on each central shaft, and after the code disc and the first rotor of each surface rotation sensor are installed on each central shaft, each first sleeve is sleeved on each central shaft, and each second sleeve is sleeved on each first sleeve; a second rotor in the surface rotation sensor is arranged on a first sleeve and rotates along with the first sleeve; a third rotor in the surface rotation sensor is arranged on a second sleeve and rotates along with the second sleeve; the central shafts sleeved with the first sleeve and the second sleeve and the first sleeve and the second sleeve on the central shafts penetrate through the through holes on the surface of the inner core together; the central shafts respectively rotate along with the outer rotating surfaces, corresponding to and connected with the outer rotating surfaces, in the magic cube, and the first sleeves and the second sleeves respectively rotate along with the inner rotating surfaces, corresponding to and connected with the inner rotating surfaces, in the magic cube; the inner layer of the magic cube connected with the second sleeve is closer to the center of the magic cube than the inner layer of the magic cube connected with the first sleeve; each electrode in the third electrode, the second electric brush, the fourth electrode and the power supply form an electrifying loop, and each electrode in the third electrode on the code disc in the surface rotation sensor is respectively connected with each IO port of the microcontroller; and each electrode in a fifth electrode on a code disc in the surface rotation sensor, the third electric brush, the sixth electrode and the power supply form an electrifying loop, and each electrode in the fifth electrode is respectively connected with each IO port of the microcontroller.
7. The axial structure of a magic cube according to claim 5, wherein the first rotor, the second rotor, the third rotor and the code disc of the surface rotation sensor are provided with through holes; the surface rotation sensor is mounted on the central shaft in the following way: a coded disc of the surface rotation sensor and the first rotor sequentially penetrate through the central shaft and are arranged at the end of the central shaft where the stop block is located; the inner wall of a first rotor through hole of the surface rotation sensor is attached to the outer wall of the central shaft and rotates along with the central shaft; a second rotor of the surface rotation sensor is arranged at the bottom end of the first sleeve through a through hole; the inner wall of a through hole of a second rotor of the surface rotation sensor is attached to the outer wall of the first sleeve and rotates along with the first sleeve; a third rotor of the surface rotation sensor is arranged at the bottom end of the second sleeve through a through hole; the inner wall of a third rotor through hole of the surface rotation sensor is attached to the outer wall of the second sleeve and rotates along with the second sleeve.
8. The axial center structure of a magic cube according to claim 6, wherein the surface rotation sensors are connected through a flexible circuit board, and the microcontroller is arranged on the flexible circuit board; each electrode of a first electrode, a third electrode and a fifth electrode on each face rotation sensor code disc is respectively and correspondingly connected to an IO port of the microcontroller through a circuit on the flexible circuit board; the second electrode, the fourth electrode and the sixth electrode on the coded disc of each surface rotation sensor are connected to the circuit of the power-on loop on the flexible circuit board and then connected into the power-on loop;
when the number of the surface rotation sensors is 6, after the 6 surface rotation sensors are connected through the flexible circuit board, when each surface rotation sensor is unfolded through the flexible circuit board, 5 surface rotation sensors are connected through the flexible circuit board to form a cross structure, and in addition, 1 surface rotation sensor is connected with 1 surface rotation sensor in the 5 surface rotation sensors through the flexible circuit board.
9. The axial center structure of a magic cube according to claim 6, further comprising a spring washer, a first cover plate, a second cover plate and a third cover plate;
after the surface rotation sensor is arranged on the central shaft, the coded disc is close to the central shaft stop block, and a spring gasket is arranged between the coded disc of the surface rotation sensor and the central shaft stop block;
the first cover plate is provided with a through hole, after a code disc of the surface rotation sensor and the first rotor are arranged on the central shaft, the through hole of the first cover plate penetrates through the central shaft, the edge of the bottom of the first cover plate is fixed on the code disc, and the first rotor is covered by the first cover plate;
the second cover plate is provided with a through hole, the second cover plate through hole penetrates through the first sleeve after the second rotor is installed on the first sleeve, the bottom edge of the second cover plate is fixed on the code disc, and the second rotor is covered by the second cover plate;
the third cover plate is provided with a through hole, the third cover plate through hole penetrates through the second sleeve after the third rotor is installed on the second sleeve, the edge of the bottom of the third cover plate is fixed on the code disc, and the third rotor is covered by the third cover plate;
the central shaft is a screw rod, and the stop block at one end of the central shaft is a screw cap of the screw rod.
10. A puzzle cube, comprising a plurality of central pieces and a central structure of the puzzle cube according to any one of claims 5 to 9, wherein each central piece is provided with a central piece of the puzzle cube.
CN201920726044.0U 2019-05-17 2019-05-17 Magic cube, surface rotation sensor and axis structure thereof Active CN210186416U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920726044.0U CN210186416U (en) 2019-05-17 2019-05-17 Magic cube, surface rotation sensor and axis structure thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920726044.0U CN210186416U (en) 2019-05-17 2019-05-17 Magic cube, surface rotation sensor and axis structure thereof

Publications (1)

Publication Number Publication Date
CN210186416U true CN210186416U (en) 2020-03-27

Family

ID=69874665

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920726044.0U Active CN210186416U (en) 2019-05-17 2019-05-17 Magic cube, surface rotation sensor and axis structure thereof

Country Status (1)

Country Link
CN (1) CN210186416U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111450517A (en) * 2020-03-31 2020-07-28 齐鲁工业大学 Rechargeable intelligent oblique turning magic cube and state transformation method
CN111939550A (en) * 2019-05-17 2020-11-17 汕头市澄海区科梦智能科技有限公司 Magic cube, surface rotation sensor and axis structure thereof
EP3939677A1 (en) * 2020-07-12 2022-01-19 Guangzhou Ganyuan Intelligent Technology Co., Ltd. Surface orientation sensing structure and intelligent magic cube

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111939550A (en) * 2019-05-17 2020-11-17 汕头市澄海区科梦智能科技有限公司 Magic cube, surface rotation sensor and axis structure thereof
CN111450517A (en) * 2020-03-31 2020-07-28 齐鲁工业大学 Rechargeable intelligent oblique turning magic cube and state transformation method
EP3939677A1 (en) * 2020-07-12 2022-01-19 Guangzhou Ganyuan Intelligent Technology Co., Ltd. Surface orientation sensing structure and intelligent magic cube
GB2597115A (en) * 2020-07-12 2022-01-19 Guangzhou Ganyuan Intelligent Tech Co Ltd Surface orientation sensing structure and intelligent magic cube
JP2022016724A (en) * 2020-07-12 2022-01-24 広州淦源智能科技有限公司 Plane orientation sensing structure and smart rubik's cube
JP7262821B2 (en) 2020-07-12 2023-04-24 広州淦源智能科技有限公司 Plane Orientation Sensing Structure of Smart Rubik's Cube and Smart Rubik's Cube
GB2597115B (en) * 2020-07-12 2023-09-06 Guangzhou Ganyuan Intelligent Tech Co Ltd Surface orientation sensing structure and intelligent magic cube

Similar Documents

Publication Publication Date Title
CN210186415U (en) Magic cube and axis structure thereof
CN210186416U (en) Magic cube, surface rotation sensor and axis structure thereof
US11957988B2 (en) Smart center shaft, smart rubik's cube, and timing method therfor
CN108525283A (en) Intelligent magic cube and its sensor and axle centre structure
US4109398A (en) Construction type educational and amusement device
CN103550937B (en) Infant audio and video intelligent building block
CN111643884A (en) Face position sensing structure and intelligent magic cube
CN108712923A (en) Electronic device with variable-volume display
US7736275B2 (en) Wrist exerciser with sound generator
CN111939550A (en) Magic cube, surface rotation sensor and axis structure thereof
CN210278221U (en) Magic cube and incremental profile rotation sensor and axis structure thereof
CN105370711A (en) Connecting component and electronic equipment
CN209828230U (en) Novel middle-edge magnetic positioning second-order magic cube
CN101898037A (en) Electronic dice
CN202223903U (en) Digital electric building blocks
CN111939552A (en) Magic cube and axis structure thereof
CN111939551A (en) Magic cube and incremental profile rotation sensor and axis structure thereof
KR200389966Y1 (en) A cube
US8270153B2 (en) Connector
CN201226410Y (en) Slip ring
US3129382A (en) Rotary potentiometer with speed reduction gearing
CN205494933U (en) But electron magic cube of recording operation step
CN218686242U (en) A intelligent ball axle for magic cube
CN207237288U (en) A kind of English word game building blocks
CN108939577B (en) Infant education creative toy electronic component splicing structure

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20230713

Address after: 515800 Middle section of section road, Fengxin Port Industrial Zone, Fengxiang Street, Chenghai District, Shantou City, Guangdong Province

Patentee after: Shantou Chenghai District Moyu Culture Co.,Ltd.

Address before: 515800 Heng 2, Interval Road, Fengxin Port Industrial Zone, Fengxiang Street, Chenghai District, Shantou City, Guangdong Province

Patentee before: Shantou Chenghai Kemeng Intelligent Technology Co.,Ltd.