42results about How to "Various arrangements" patented technology

To provide a light source assembly that does not use a printed circuit board and can be manufactured at a low cost even when produced in small quantities, a light source assembly according to the present invention comprises a plurality of light sources and a connective conductor structure extending in a direction of arrangement of the light sources to join the light sources, wherein the connective conductor structure is formed by cutting off parts of a substantially plate-like patterned conductor as required, the patterned conductor being provided with a prescribed pattern. Thus, by changing the parts to be cut off in the patterned conductor, it is possible to manufacture light source assemblies having various light source connection patterns in a single manufacturing line, allowing efficient and low cost manufacture of the light source assemblies to be achieved even when the light sources are manufactured in small quantities.

The invention is applicable to the technical field of light emitting diode applications, and provides an LED filament substrate, an LED package structure and an LED lamp. The LED filament substrate comprises an insulating substrate, conductive layers, and pins connected with an external power supply circuit. The conductive layers are arranged on the surface of the insulating substrate. The conductive layers are connected with external LED chips. The shape of the conductive layers is determined according to the type and connection mode of the external LED chips. The number of the conductive layers is determined according to the type and number of the external LED chips and the spacing between the external LED chips. The pins are arranged on the insulating substrate. According to the LED filament substrate, the LED package structure and the LED lamp, the conductive layers are arranged on the LED filament substrate; various types of LED chips can be selected; the spacing and series-parallel connection mode of the LED chips are not limited; and the arrangement of LED chips on the LED filament substrate is diversified.

The invention belongs to the technical field of air conditioner control, and discloses an air conditioner controller having a light projection touch control function, and an air conditioner. An operation interface of the traditional controller or a wire controller is projected out through projection and operation on a projected picture by an operator is captured, so that the purpose of the controlling the air conditioner is realized; a projection area is convenient to clean, serious bacteria breeding is avoided, and the health of the operator is facilitated; with the adoption of projection touch control, the air conditioner controller is applicable to certain high-grade places, and makes the places more stylish; and the air conditioner controller is operated through the projection, thus the air conditioner controller having the light projection touch control function can be arranged in a certain fixed position, and can not be lost.

The invention discloses a wave energy power generation device which comprises an energy absorption mechanism, a speed reversing mechanism, an energy storage mechanism, a speed stabilizing mechanism and a power generation mechanism, wherein the energy absorption mechanism, the speed reversing mechanism, the energy storage mechanism, the speed stabilizing mechanism and the power generation mechanism are hermetically arranged in a cylindrical housing with a drop-shaped cross section; the cylindrical housing can rotate under the action of waves; the energy absorption mechanism is used for absorbing energy of waves with volatility and instability and converting the energy of the waves into kinetic energy; the speed reversing mechanism is used for fully absorbing energy of the waves with volatility and converting the energy of the waves into kinetic energy; the energy storage mechanism is used for further converting kinetic energy absorbed and converted by the energy absorption mechanism and the speed reversing mechanism into elastic potential energy and storing the elastic potential energy; the speed stabilizing mechanism is used for controlling the stored elastic potential energy and releasing the elastic potential energy at a constant speed; the power generation mechanism is used for increasing the speed to drive a generator to rotate, so that wave energy power generation is realized. The wave energy power generation device provided by the invention is a wave energy power generation device with high safety guarantee degree.

The invention discloses a stress analysis method for a tubular bus bar, a downlead and a fitting system, which comprises the following steps of: analyzing and simulating a four-split downlead and a tubular bus bar by adopting a beam unit (beam 188) and a rod unit (link 180), and accurately solving a fulcrum counterforce; and simulating the sliding type tubular bus fixing fitting by utilizing a solid unit (Solid187); establishing tubular busbar downlead system models with different parameters through finite element software ANSYS, and analyzing the influence of each parameter on the stress of the tubular busbar constraint node; and applying the stress of the tubular bus joint to the fitting model for static analysis. The method can accurately solve the node counter-force of the tubular busdownlead coupling system, and applies the node counter-force to the stress calculation of hardware fittings, thereby improving the arrangement mode of the tubular bus downlead coupling system and thecorresponding hardware fitting design.

Embodiments of the invention disclose a desktop management method and apparatus. The method comprises the steps that a server obtains a desktop management request sent by a mobile terminal, wherein the desktop management request carries user information and desktop application information; the server screens out a management rule corresponding to the desktop management request in a preset rule library; user interest feature information corresponding to the user information is analyzed according to the management rule, and the desktop application information is planned according to the user interest feature information to generate desktop application arrangement information; and the desktop application arrangement information is sent to the mobile terminal, thereby enabling the mobile terminal to arrange a plurality of application icons in a desktop according to the desktop application arrangement information. By adopting the method and the apparatus, the desktop icon display effect can be enriched and the tedious manual arrangement operation can be avoided.

The invention discloses a back flushing regeneration device of diesel particulate filters and belongs to the engine emission and pollution control field. The back flushing regeneration device particulate ly comprises two filters, shells of filters and back flushing airflow pipes, wherein the exhaust end of one of two filters is communicated with that of the other filter through the back flushing airflow pipes; by adopting a crossover control strategy, one part of engine exhaust gas is guided into one of two filters through an exhaust gas inflow pipe, and the other part of engine exhaust gas is guided into the tail end of the other filter for back flushing regeneration through a back flushing airflow pipe; two filters operate and regenerate by turns, corresponding control valves are respectively installed on the tail ends of the back flushing airflow pipe and the tail gas inflow pipe, and opening and closing of the back flushing airflow pipe and the exhaust gas inflow pipe can be crosswise controlled, so that the filters can realize automatic back flushing by adopting engine exhaust gas, and the filters can gather and regenerate particulates by turns.

The invention relates to an evaporation apparatus. The evaporation apparatus comprises an evaporation cavity; an evaporation source arranged below the evaporation cavity; and a magnetic plate which is in a polygon shape and arranged over the evaporation source, wherein the magnetic plate comprises several blocks of mutually and parallelly arranged magnets in a same plane, and the arrangement direction of the magnets are inclined by relating to each circumference edge of the magnetic plate. The evaporation apparatus solves the problems of nonuniform brightness or color mixing of the finished products due to untight applying of a masking plate and a substrate, and the current manufacture technology is not required for being changed.

The invention discloses an edge-sealed and opened building heat-insulating vacuum insulated panel and a manufacturing method thereof. The edge-sealed and opened building heat-insulating vacuum insulated panel comprises a core and a barrier film, wherein equidistant round holes, elliptical holes and rectangular holes are formed in two sides or a plurality of heat sealing edges of the edge-sealed and opened building heat-insulating vacuum insulated panel. When the edge-sealed and opened building heat-insulating vacuum insulated panel disclosed by the invention is applied to the building, the heat sealing edges of the insulated panel are mutually stacked and ventilation holes are vertically aligned and completely exposed, so that water vapor of a cement mortar layer between a wall body and the vacuum insulated panel can be smoothly evaporated and the phenomena that the inside of the wall body is mildewed and the like are avoided.

The invention relates to a second-level stepping vehicle top framework structure combining the single-layer top with the double-layer top. The structure comprises a first top framework area located in front of the center of a middle door and a second top framework area located behind the center of the middle door; the first top framework area is of a double-layer top structure, the portion, in a middle corridor area, of the second top framework area is of a single-layer top structure, the portions, on the two sides of the middle corridor area, of the second top framework area are of a double-layer top structure, and an air channel of the first top framework area and an air channel of the second top framework area are located in the same plane. According to the technical scheme, the center of the middle door serves as a boundary line, the first top framework area in front of the center of the middle door is designed to be of the double-layer top structure, the second top framework area behind the center of the middle door is designed to be of the structure combining the single-layer top with the double-layer top, the standing height space in a vehicle behind the middle door and the installing consistency of the air channels in the vehicle are guaranteed, the developing cost of interior molds is reduced, the developing cycle of the interior molds is shortened, and meanwhile the finished vehicle weight is reduced.

The invention discloses a connecting member of a prefabricated sandwiched heat-insulating wall, the heat-insulating wall and a construction method thereof. The connecting member comprises a connectingplate and anchoring ribs, the connecting plate is made of a FRP material which is made of reinforced fiber and resin, thickness of the connecting plate is less than or equal to 8mm while width of thesame is greater than 40mm, holes penetrating the anchoring ribs are formed in positions, close to the edge, on two sides of the connecting plate, and the anchoring ribs are correspondingly arranged in the holes penetratingly. The technical problem that conventional connection members of the prefabricated sandwiched heat-insulating wall are big in processing difficulty and poor in anchoring performance when being applied in the heat-insulating wall.

The invention provides an easy-to-integrate FBAR filter. The easy-to-integrate FBAR filter comprises a plurality of supporting legs of Bragg reflection layer structures, a first resonator and a second resonator, the first resonator and the second resonator share a plurality of supporting legs with Bragg reflection layer structures; the first resonator is formed by sequentially depositing a mass load, a first upper electrode, a first piezoelectric layer and a first lower electrode; and the second resonator is formed by depositing a second upper electrode, a second piezoelectric layer and a second lower electrode in sequence. The FBAR resonators are connected through the supporting legs to form the filter, and the resonators can form a filter passband by applying mass load frequency modulation on the upper portion of the upper electrode. The FBAR resonators are connected through the supporting legs of the Bragg reflection layer interphase structure distributed transversely, the mechanical quality factor of the FBAR resonators can be improved, the resonator arrangement mode can be diversified and can be a transverse arrangement mode or a longitudinal superposition mode, the integration degree of the filter is improved, and the processing cost is reduced.

The invention discloses a back flushing regeneration device of diesel particulate filters and belongs to the engine emission and pollution control field. The back flushing regeneration device particulate ly comprises two filters, shells of filters and back flushing airflow pipes, wherein the exhaust end of one of two filters is communicated with that of the other filter through the back flushing airflow pipes; by adopting a crossover control strategy, one part of engine exhaust gas is guided into one of two filters through an exhaust gas inflow pipe, and the other part of engine exhaust gas is guided into the tail end of the other filter for back flushing regeneration through a back flushing airflow pipe; two filters operate and regenerate by turns, corresponding control valves are respectively installed on the tail ends of the back flushing airflow pipe and the tail gas inflow pipe, and opening and closing of the back flushing airflow pipe and the exhaust gas inflow pipe can be crosswise controlled, so that the filters can realize automatic back flushing by adopting engine exhaust gas, and the filters can gather and regenerate particulates by turns.

The invention belongs to the technical field of radioactive sources, and discloses a radioactive source arrangement method and system, and the system comprises: a parameter obtaining module and a radioactive source energy obtaining module which are respectively used for obtaining the arrangement parameters of a radioactive source and the energy of the radioactive source; a radioactive source activity measurement module, an irradiation dose rate determination module, an irradiation dose calculation module, a to-be-radiated article absorption dose calculation module and a total irradiation dosecalculation module which are respectively used for determining the radioactive source activity, the irradiation dose rate of a radioactive source, the irradiation dose rate of the radioactive source at a reference point, the to-be-radiated article absorption dose and the total irradiation dose; an arrangement position calculation module and an evaluation module which are respectively used for determining the arrangement position of the radioactive source and evaluating the result; and an arrangement module which is used for arranging the radioactive sources. According to the invention, a plurality of radioactive source arrangement modes can be provided, and quantitative evaluation is carried out on each arrangement mode, so that the optimal arrangement method is determined, and the radioactive source arrangement mode with the minimum reference surface dose rate non-uniformity is obtained.

The invention discloses a cooling structure of a top contra-rotating vortex of a high temperature turbine moving blade, and belongs to the field of turbine heat transmission. The cooling structure of the top contra-rotating vortex of the high temperature turbine moving blade comprises a turbine tenon, a turbine blade body, a turbine blade front edge, a turbine blade top cover, a turbine blade tail edge, a serpentine channel and a contra-rotating vortex generator; the turbine tenon is connected with the tail of the turbine blade body into a whole; the top of the turbine blade body is closed through the turbine blade top cover; a cold air hole is formed in the turbine blade top cover; the serpentine channel is formed in the turbine blade body and is located at the chord-length middle part of a turbine blade; an air outlet channel of the serpentine channel communicates with the cold air hole; and the contra-rotating vortex generator is fixedly arranged on the internal surface of the turbine blade top cover and corresponds to the serpentine channel. The cooling structure is used for cooling the high temperature turbine moving blade, and has the characteristics that heat transfer is enhanced through forming the contra-rotating vortex and increasing a heat transfer area, and the increasing of the flow resistance is inhibited effectively.

The invention discloses a power distribution cabinet element installation wiring structure, and belongs to the technical field of power distribution cabinets, the power distribution cabinet element installation wiring structure comprises a power distribution cabinet body, the power distribution cabinet body is provided with a vertically arranged backboard, the backboard is provided with an element assembly rail, the element assembly rail is slidably provided with an element positioning wiring tool, and the element assembly rail provides a station for element installation. The component positioning and wiring tool which is driven along the component assembling rail is used for pushing components, the assembly wire arranging mechanism assembly reciprocates while the components are pushed, a groove channel on the periphery of a rotating ring can be replaced through rotation of the rotating ring, so that a wire clamp installed in the groove channel presses a wire and is embedded into a soft cushion layer attached to a rail body, and the component positioning and wiring tool is used for positioning and wiring the components. The installation of the element assembly rail on the back plate adopts a screw limiting mode, the arrangement modes are diversified, and the installation requirements of elements at different positions are met. According to the power distribution cabinet element installation wiring structure, electric element assembly and limiting wire arrangement can be realized conveniently, and the installation efficiency can be improved conveniently.

The invention relates to a long-gauge coaxial multi-sleeve packaged fiber grating sensor for measuring tensile-compressive strain, which comprises a bare fiber, a fiber grating, a short sleeve, fiberadhesive, a packaging long pipe, silicon rubber, a semi-hard pipe and a jumper wire, wherein the two ends of the fiber grating are connected with the bare fiber; the short sleeve sleeves the outer side of the fiber grating; the fiber adhesive is injected into the short sleeve; the two ends of the short sleeve are respectively connected with the packaging long pipe through the fiber adhesive; theend part of the packaging long pipe is sealed by the silicon rubber; and the bare fiber penetrates through the packaging long pipe and the silicon rubber and extends outside the packaging long pipe. According to the invention, the axial strain in a long gauge is obtained through the optical fiber grating, the monitoring range is large, the sensitivity is high, the electromagnetic interference resistance and the corrosion resistance are achieved, and the full-life cycle monitoring of the component strain can be achieved. The sensor has the advantages of small size, sealing and strong environmental adaptability, and can be applied not only to buildings, but also to strain monitoring of bridges.

The present invention discloses a method and device for selecting programs in a panoramic mode. The method comprises: generating and displaying a panoramic program list in the panoramic video mode according to the programs selected by a user and a preset three-dimensional model; receiving a user first triggering instruction and / or terminal posture changing data; calculating and obtaining the new frame view angle of a panoramic program list according to the user first triggering instruction and / or terminal posture changing data on the basis of the current frame view angle of the panoramic program list; displaying the panoramic program list according to the new frame view angle; and determining the programs corresponding to the second triggering instruction on the current panoramic program list according to the user second triggering instruction. According to the invention, the dynamic program list may be realized, the array of the program list may be optimized, and the system operation efficiency may be improved.

The invention belongs to the network maintenance equipment field, particularly relates to a multimode arrangement electronic component server. A turbine exhaust fan is installed on the top of a casing; a first support column is hinged to one side of a first connection shaft; a first hollow stud is inserted in the first support column; a second support column is hinged to one side of a second connection shaft; the second hollow stud is inserted in the second support column; a lower end of a first screw passes through an component installation separator plate and the first support column in order and then is inserted in the first hollow stud; the lower end of a second screw passes through the component installation separator plate and the second holder support column and is inserted in the second hollow stud; an opening is arranged at one side at the bottom of the casing; a storage box is installed on a storage box slideway and under the bottom separator plate; and the storage box is positioned at one side of the opening. The invention provides a server that has multiple electronic component assignment modes.

This embodiment relates to a multi-component composite integrated finned copper tube heat exchanger, including a fin unit, a first heat exchanger loop piping system, and a second heat exchanger loop piping system, wherein the fin unit includes side baffles plate and a number of rectangular thin-walled fins arranged between the two side baffles, there are circular holes running through the two side baffles and the rectangular thin-walled fins, the first heat exchanger circuit piping system includes The branch pipe of the first start circuit, the branch pipe of the first end circuit and several sets of the first branch circuit piping system, the second heat exchanger circuit piping system includes the branch pipe of the second start circuit, the branch pipe of the second end circuit and several groups of the second The bifurcated circuit piping system, the multi-component composite integrated finned copper tube heat exchanger provided by the present invention can realize heat regulation and Assign new potential functions, and make the body have a more compact structure.

The invention relates to the field of diesel engine cylinder body production lines, in particular to a full-automatic unmanned production line for diesel engine cylinder bodies. Comprising a feeding conveying line and a discharging conveying line, and a linear first workpiece transfer line and a linear second workpiece transfer line are sequentially arranged on one side of the downstream of the conveying direction of the feeding conveying line; the P10 working procedure machine tool and the P30 working procedure machine tool are sequentially arranged on one side of the first workpiece transfer line, and the P20 working procedure machine tool is arranged on the other side of the first workpiece transfer line; and the P40 working procedure machine tool and the P50 working procedure machine tool are sequentially arranged on one side of the second workpiece transfer line, and the P60 working procedure machine tool is arranged on the other side of the second workpiece transfer line. According to the improved production line, automatic transfer of the cylinder bodies among all stations can be achieved through the transfer mechanical arm, and the production takt is controlled; and unmanned production is realized on the whole production line except for the sampling inspection platform, so that the labor investment is small.

The invention discloses a serpentine tube microchannel heat exchanger. The serpentine tube microchannel heat exchanger comprises two flow gathering tubes and a plurality of flat tubes. Each flow gathering tube is provided with a plurality of circulating holes, and at least two circulating holes in each flow gathering tube are arranged in a staggered mode in the circumferential direction. The multiple flat tubes are in parallel connection with the position between the two flow gathering tubes, at least a part of each flat tube extends in a serpentine mode or extends around the flow gathering tubes, the two ends of each flat tube are connected with the circulating holes in the two flow gathering tubes correspondingly, the multiple flat tubes and the multiple circulating holes in each flow gathering tube are arranged in one-to-one correspondence mode. According to the serpentine tube microchannel heat exchanger, the length of a single refrigerant flow path can be shortened to reduce the side flow resistance and pressure drop of a refrigerant of the heat exchanger. A refrigeration system using the heat exchanger can improve the heat exchanging efficiency. In addition, the arrangement form of the flat tubes of the heat exchanger is various according to the different environmental conditions such as the mounting space size, and the application occasion of the serpentine tube microchannel heat exchanger can be enlarged.

The invention relates to the technical field of printing or coating, in particular to printing / coating equipment which comprises an unwinding device, at least two groups of printing / coating devices, apost-drying device, a plurality of rollers and a winding device for winding a coiled material; the last group of printing / coating device is at least provided with a steering roller, and the coiled material unwound by the unwinding device enters the post-drying device for drying after being subjected to steering by the steering roller of the last group of printing / coating device and then is woundby the winding device; and the rollers, starting from the first group of printing / coating device to the post-drying device, are located in one plane of a non-printing surface of the coiled material. For the printing / coating equipment provided by the invention, between the printing / coating devices and the post-drying device, the non-printing surface of the coiled material is in contact with the rollers so as to limit the quality problems such as drag marks on the printing surface of the coiled material, inaccurate stretching and overprinting caused by overdrying and the like, and thus the quality of a product as well as the production speed and efficiency are improved.

A seat belt module includes a buckle having an internal slider and an insertion hole through which a tongue of a seat belt is configured to be inserted and fastened so that the slider protrudes above the tongue to be externally exposed of the buckle in a response to an insertion of the tongue. The seat belt module also includes a sensor mounted in an internal space of a vehicle to detect the slider exposed to the outside.

The invention discloses a lifting traction device. The lifting traction device comprises ropes and climbing devices, wherein one ends of the ropes are fixed above a target traction site, and the climbing devices are connected with a to-be-pulled target and climb along the ropes. The climbing devices comprise front locking assemblies, rear locking assemblies and driving mechanisms for driving the front locking assemblies and the rear locking assemblies to move relatively. When the driving mechanisms drive the front locking assemblies to make displacement upwards along the ropes, the rear locking assemblies are in a locked state. When the driving mechanisms drive the rear locking assemblies to make displacement upwards along the ropes, the front locking assemblies are in a locked state. Through the arrangement, the to-be-pulled target is connected to the climbing devices, and the climbing devices rise along the ropes to drive the to-be-pulled target to rise upwards. The lifting tractiondevice is simple in structure, small in size and convenient to carry and has the low requirement for working conditions, only one ends of the ropes need to be fixed above the target traction site, andapplicability is high.

The invention discloses a wave energy power generation device which comprises an energy absorption mechanism, a speed reversing mechanism, an energy storage mechanism, a speed stabilizing mechanism and a power generation mechanism, wherein the energy absorption mechanism, the speed reversing mechanism, the energy storage mechanism, the speed stabilizing mechanism and the power generation mechanism are hermetically arranged in a cylindrical housing with a drop-shaped cross section; the cylindrical housing can rotate under the action of waves; the energy absorption mechanism is used for absorbing energy of waves with volatility and instability and converting the energy of the waves into kinetic energy; the speed reversing mechanism is used for fully absorbing energy of the waves with volatility and converting the energy of the waves into kinetic energy; the energy storage mechanism is used for further converting kinetic energy absorbed and converted by the energy absorption mechanism and the speed reversing mechanism into elastic potential energy and storing the elastic potential energy; the speed stabilizing mechanism is used for controlling the stored elastic potential energy and releasing the elastic potential energy at a constant speed; the power generation mechanism is used for increasing the speed to drive a generator to rotate, so that wave energy power generation is realized. The wave energy power generation device provided by the invention is a wave energy power generation device with high safety guarantee degree.

The invention relates to a working arrangement method for conducting a current field, and the method comprises the following steps: 1, setting two electrode points, connecting the two electrode points through an insulated wire, respectively connecting the two electrode points to two output ends of a transmitter through an insulated wire, and if an underground half space is a uniform infinite half space, so that the current output from the transmitter to the first electrode point radially flows into the underground half space through the current line near the first electrode point, and then all radially returns to the transmitter through the second motor point. According to the invention, the current fields in different states can be conveniently arranged through a plurality of power supply modes, and the arrangement mode is relatively comprehensive; and the method can adapt to different states of a single measured target pipeline exposure point, a double-end target pipeline exposure point and no exposure point.

The invention discloses a high anti-theft level double-lock modularization latch mechanism which comprises a latch cover plate, a lock main plate, a rotating shaft, a transmission mechanism, a longitudinal transmission latch and a transverse transmission latch. The rotating shaft is respectively in linkage connection with the longitudinal transmission latch and the transverse transmission latch through the transmission mechanism. The latch cover plate is connected with the lock main plate through cover plate mounting pillars, and the longitudinal transmission latch and the transverse transmission latch are arranged between the lock main plate and the latch cover plate. The left side and the right side of the lock main plate are respectively provided with a lock body mounting part, and each lock body mounting part is provided with three or more lock body mounting pillars evenly distributed in the circumferential direction in an assembling mode. The longitudinal transmission latch is in locating connection with the lock main plate through the lock body mounting pillars corresponding to any lock body mounting part, and the transverse transmission latch carries out transverse horizontal moving through a guide component arranged on the latch cover plate. Thus, by means of the high anti-theft level double-lock modularization latch mechanism, the diversification of arranging modes of the position of a lock hole relative to the position of a handle can be achieved.

The invention relates to a second-level stepping vehicle top framework structure combining the single-layer top with the double-layer top. The structure comprises a first top framework area located in front of the center of a middle door and a second top framework area located behind the center of the middle door; the first top framework area is of a double-layer top structure, the portion, in a middle corridor area, of the second top framework area is of a single-layer top structure, the portions, on the two sides of the middle corridor area, of the second top framework area are of a double-layer top structure, and an air channel of the first top framework area and an air channel of the second top framework area are located in the same plane. According to the technical scheme, the center of the middle door serves as a boundary line, the first top framework area in front of the center of the middle door is designed to be of the double-layer top structure, the second top framework area behind the center of the middle door is designed to be of the structure combining the single-layer top with the double-layer top, the standing height space in a vehicle behind the middle door and the installing consistency of the air channels in the vehicle are guaranteed, the developing cost of interior molds is reduced, the developing cycle of the interior molds is shortened, and meanwhile the finished vehicle weight is reduced.

The invention discloses a magic cube and a surface rotation sensor and an axis structure thereof, the surface rotation sensor of the magic cube comprises a coded disc, a first electric brush and a first rotor, the coded disc is provided with a first electrode and a second electrode, and the first electrode and the second electrode are arranged on the first circumference of the coded disc surface;the first electric brush is installed on the first rotor and arranged along a first circumference where the first electrode and the second electrode are located, and the first electric brush is drivenby the first rotor to rotate relative to the first electrode and the second electrode along the first circumference; wherein the first electrode comprises a plurality of electrodes, and n electrodesin the first electrode are respectively and correspondingly arranged on any n equal parts of the equal part first circumference; arranging a first electric brush along any equal first circumference inthe equal first circumferences; and the second electrode is arranged on the first circumference, so that the first electric brush is contacted with the second electrode when rotating to any position.The surface rotation sensor of the magic cube has the advantages of being simpler in structure and smaller in size.