163results about How to "Suitable for different occasions" patented technology

Based on ZIGBEE protocol / WLAN wireless network protocol, combining MMS service and GPRS / CDMA1X / 3G mobile network, the invention is related to remote wireless safety protection system with colorful signal message in real time. The system is composed of three modules mainly: central control module, image sound acquisition module, and sensing module. Communication in ZIGBEE protocol / WLAN wireless network protocol is adopted between modules. An embedded typed send receive system in colorful signal message is built in central control module. The central control module is in charge of processing images and sounds transmitted from image sound acquisition module to colorful signal message, which through mobile communication network is sent to user's handset. The invention possesses functions of making alarm in real time, receiving alarm, viewing image and hearing sound from site at any time and ant place. Features are: distributed structure, and flexible network structure.

The invention discloses a room-temperature self-crosslinking water-soluble polyurethane acrylic resin and a preparation method and an application thereof. The preparation method adopts an in-situ emulsion polymerization method and improves the prior preparation method, introduces tetramethyl benzene dimethylene diisocyanate or 2, 4 methyl cyclohexyl diisocyanate, and dipropylene glycol or neopentyl glycol functioning as chain extendor in raw materials, thereby lowering the viscosity of polyurethane prepolymer, and achieving the purpose of performing the synthetic reaction without organic solvent; oil-soluble evocating agent and water-soluble evocating agent are adopted to together evocate radical copolymerization so that oil-soluble monomer and water-soluble monomer can more effectively perform the radical copolymerization, thereby improving the reaction conversion rate. In addition, the combination of the two evocating agents also leads emulsion in the reaction to keep stable without easily jellifying and layering. The resin can be used for preparing plastics, aluminum foil package compound gel, paper-plastics compound gel, water color ink, water oil polish, water wooden ware paint or water plastic paint.

A pulverized coal pressure dense transport bed gasification method and installation of the invention relates to gasification technology and employs in-furnace desulfurization craft. Pulverized coal and desulfurizer are sent into gasification furnace through the middle and lower part of gasification furnace by a feeder, and then react with a gasifying agent. Reaction mass flow upward from the bottom of the gasification furnace, and enter into a multistage gas-solid separator from an export on the top of the gasification furnace. Most solids are separated in the gas-solid separator and enter into the low part of the gasification furnace by a high flux return feeder to continue to participate in reaction. Gas products with a small amount of solid enter into a gas cooler which can recover gas manifested heat to generate steam. The enter modes of the gasifying agent are bottom once wind and cyclone twice wind, otherwise, the reactor can also be use to burn. Because of the high-rate cycle, high solid content and high gas-solid mixing in the gasification furnace of the invention, the gasification strength and gasification rate of the gasification furnace can be improved and higher gasification efficiency and carbon conversion rate can be obtained.

The invention discloses a solid buoyancy material and a manufacture method thereof by splitting building block type modules. The manufacture method comprises the steps of: polishing and finishing a buoyancy material blank, machining to manufacture a building block type standard module, and manufacturing the solid buoyancy material from the splitting building block type standard module through finish machining. The solid buoyancy material comprises the following chemical components in parts by mass: 100 parts of epoxy resin, 20-25 parts of epoxy reactive diluents, 40-80 parts of curing agent, 3-5 parts of silane coupling agent and 85-100 parts of hollow glass beads. According to the invention, the building block type modules are adhered by adopting a light adhering agent, and thus the prepared solid buoyancy material has good comprehensive property, is applied flexibly, is conveniently produced according to the density, the size and the shape required by a user, and is suitable for different use occasions.

The invention provides a detachable tailstock type vertical take-off and landing unmanned aerial vehicle. Wings and a fuselage can be detachably assembled. The wings and the fuselage can form two overall arrangement forms. According to the X-shaped overall arrangement form, two pairs of wings are mounted on the fuselage and are bilaterally symmetrical, and each pair of wings is of a longitudinal symmetry structure; and the included angle between the wings in each pair is 120 degrees, and the four wings form an X shape. According to the Y-shaped overall arrangement form, three wings are mounted on the fuselage, the included angel between every two adjacent wings is 120 degrees, and the three wings form a Y shape. The unmanned aerial vehicle of the X-shaped overall arrangement form is suitable for long-distance flight under a wind-free condition. The vertical take-off and landing unmanned aerial vehicle of the Y-shaped overall arrangement form is suitable for short-distance flight under a lateral wind condition. According to the detachable tailstock type vertical take-off and landing unmanned aerial vehicle, the structure is simple, and control is easy; and since the wings and the fuselage are connected detachably, the unmanned aerial vehicle is suitable for different occasions, singular problems in a transition mode are avoided, and long endurance and long-distance flight can be achieved.

The invention provides a binocular vision cradle head. The binocular vision cradle head comprises a rotating device, an elevation device and a camera centering device. Cameras are installed on the camera centering device. The camera centering device is installed on the elevation device. The elevation device is installed on the rotating device. The rotating device comprises a cradle head base, a rotating bearing, a box bottom, a first stepping motor and a gear. The inner ring of the rotating bearing is fixedly connected with the cradle head base. The outer ring of the rotating bearing is fixedly connected with the box bottom of the cradle head. The stepping motor is fixed to the box bottom of the cradle head. The gear is installed on a motor shaft of the stepping motor. The gear is engaged with gear teeth on the inner ring of the rotating bearing. The binocular vision cradle head is moderate in size and flexible in motion.

The invention discloses graphene radiating material and a preparation method thereof. The graphene radiating material comprises agent A and agent B mixed well at a mass ratio of 1:1, the agent A comprises the following components, by weight: 40-60% of fluorocarbon resin, 30-50% of a mixed solvent, 5-15% of graphene, 0.5-1.5% of a leveling agent, and a 0.5-1.5% of a dispersant; the agent B comprises a mixed solvent and a curing agent at a mass ratio of 10:1. The prepared coating has the advantages such as high thermal conductivity coefficient, high thermal radiation coefficient, god radiating effect, acid and alkali tolerance, salt spray tolerance, impact resistance and high matrix adhesion, and the radiating material is widely applicable and usable.

The invention relates to an atmosphere illuminating system and method based on music contents. The system is composed of an atmosphere controller and an LED lamp strip; the atmosphere controller is provided with an analog audio input interface and an LED lamp strip control interface; music is played through a music player and then input into the atmosphere controller through the analog audio input interface; and the music controls the LED lamp strip through the atmosphere controller. The music is input into the atmosphere controller through the analog audio input interface; the atmosphere controller acquires an audio signal and converts the analog audio signal into a digital signal through a built-in AD converter, such that original music sampled waveform data is generated; the waveform data forms a time-domain acoustic wave signal; furthermore, a Fourier transform algorithm is carried out; and the time-domain acoustic wave signal is converted into a sound intensity signal in different frequency bands. When users enjoy the music or sing, the number of lamps or the intensity of the lamps can be changed in real time according to change of different frequencies of the music; and thus, the user experience is improved.

The invention discloses a detecting method for tension vibration, and a detecting device thereof, relating to the technical field of cable tension detection. The detecting method for the tension vibration of the invention comprises the following steps: step one, a sensor is arranged on the cable of a cable bridge to collect data; step two, the collected data in the step one is treated with FFT analysis; step three, the FFT analysis in the step two is treated with long cable judgment, if the result is judged to be long cable, the computation of the cable force of the long cable is carried out, and the result is stored in a memory; if the result is judged not to be long cable, then the next step is executed; and step four, the FFT analysis in the step two is treated with short cable judgment, if the result is judged to be short cable, the computation of the cable force of the short cable is carried out, and the result is stored in the memory, if the result is judged not to be short cable, then the first step is executed for collecting the data again. The detecting method and the detecting device of the invention realize the aims of good detection effect and wide application range, and is not limited by use conditions, simple structure, and low power consumption.

The invention provides a grouping control method and system of controllable LED. The method comprises that b) a grouping request is initiated, each LED is triggered to flicker, and flickering rules of the LED differ from one another; c) identity information of the LED to be grouped is identified according to the received flickering rule of the LED to be grouped; d) a grouping instruction is sent to the LED to be grouped; and 3) the LED to be grouped receives and executes the grouping instruction, and grouping is completed. According to the method and system, grouping is rapid, the grouping method of the controllable LED is simplified, the method and system satisfy operation habits of users more, the requirement of grouping control for the controllable LED is met, and the method and system can be applied to different occasions and can be widely popularized.

A loading structure for adsorbing heavy metal pollutants and a preparation method and application thereof are disclosed. The loading structure is a hollow structure obtained through 3D printing by using a 3D printing nanocomposite material which is formed by mixing a heavy metal adsorbing nano material and a 3D printing material. Devices or components of a particular shape and size are specifically designed using three-dimensional drawing software, the heavy metal adsorbing nano material is uniformly doped into that 3D printing material, a 3D printing technique is used to manufacture the device or component designed by the 3D drawing software by using the synthetic 3D printing nano composite material, and then the wastewater containing the target heavy metal pollutant is absorbed by the printed device or component. The invention avoids the agglomeration of the heavy metal adsorption material, improves the adsorption selectivity and the adsorption efficiency, is simple to use, does notcause the residue of the adsorbent after use, avoids potential secondary pollution, is easy to recover and reuse, and reduces the cost.

The invention provides a bullet, bayonet and cutting knife prevention clothes which comprises a composite coating and a bullet and bayonet prevention chip. The bullet and bayonet prevention chip is inserted into the composite coating; the composite coating comprises a camouflage surface layer and an inner layer next to skin; a layer of cutting knife prevention knitted fabric is sewn on the inner side of the camouflage surface layer; and the bayonet prevention chip is formed by overlapping at least one layer of bullet-prevention composite fabric and at least one layer of bayonet-prevention woven fabric. The product has the comprehensive functions of preventing the bullet, the bayonet and the cutting knife and greatly-improved safety performance.

The invention provides a human-computer interaction system based on multi-modal data collection. The system comprise a collection module, a state judgment module and a processing module, wherein the collection module is used for collecting multi-modal data, and the multi-modal data comprises collected environment data, physiological data and behavior data; the state judgment module is used for determining the current state of a user according to the multi-modal data collected by the collection module; and the processing module is used for executing corresponding processing according to the current state, which is determined according to the state judgment module, of the user. The system can comprehensively consider the collected multi-modal data and react, and the system has a high intellectualization level and is suitable for different occasions.

The invention relates to disinfecting liquid soap and a preparation method thereof, and particularly relates to natural plant essential oil-containing disinfecting liquid soap and a preparation method thereof. The disinfecting liquid soap is prepared from N-(4-chlorphenyl)-N'-(3,4-dichlorophenyl)urea (triclocarban), ethanol, litsea cubeba essential oil, sweet orange essential oil, PEG40 hydrogenated castor oil (CO-40), N-trimethylglycine (betaine), carbomer U20 (Carbopol Ultrez 20 polymer), triethanolamine and deionized water. Antimicrobial tests indicate that the disinfecting liquid soap has a relatively strong bacteriostatic effect, is applicable to medical mechanisms, hotels, food processing manufacture enterprises, dining and entertainment facilities and the like.

The invention relates to a spherical light emitting diode (LED) lamp and a light emitting method of the spherical LED lamp. The spherical LED lamp comprises a polyhedral support frame, an LED light source, a spherical light transmission case and a power supply, wherein the LED light source is arranged on the polyhedral support frame, the spherical light transmission case is arranged on the outer periphery of the LED light source, and the power supply is arranged in the light transmission case and supplies electricity to the LED light source. Because the LED light source is positioned on each surface of the polyhedral support frame, the whole spherical LED lamp can realize the full-angle three-dimensional illumination and can be applicable to various different occasions. In addition, the spherical light transmission case can be made of silica gel with specific hardness and can replace the conventional footwall, basket and tennis ball to be used in sports events, and the ignition and light emission can be realized in the sports events for increasing the mark degree. In addition, the spherical LED lamp is used in the sports events, the kinetic energy generated through the extrusion, collision and the like received by the spherical LED lamp per se can be converted into electric energy to be stored by a power generation and power supply device, then, the electric energy can be used for illumination, a better environment-friendly effect is realized, the energy is saved, and the spherical LED lamp is more humanized.

The invention discloses a control method for realizing unmanned aerial vehicle airborne camera image beautification and video editing. The method comprises steps: a remote control terminal sends an operation instruction to the unmanned aerial vehicle, wherein the operation instruction comprises a series of camera setting instructions such as image beautification and video editing; the unmanned aerial vehicle receives the operation instruction, the received operation instruction is converted to a camera setting instruction to be sent to the airborne camera; and the airborne camera recognizes the camera setting instruction, and corresponding camera image output is set. Through the APP on the mobile device, the picture and the picture quality of the airborne camera are subjected to beautification and video editing, and aerial photographing effects of the unmanned aerial vehicle are better.

This invention discloses a ceramic-carbon heating pipe having a heating matrix, an electrode lead-out rod is connected with both ends of matrix sleeved with a protection pipe, insulation and heat conduction powder is filled between matrix and protection pipe. Its electric-heat transformation rate reaches as high as 99.6% and is oxidation resistant, not easy to be broken with a long work life to 50000 hours, 1.5 times higher than that of the national standard.

Disclosed is a telescopic lamp shell structure. The telescopic lamp shell structure comprises two main bottom shells, an auxiliary bottom shell, two end covers, two basic radiating boards, two movable radiating boards, at least one adjusting base and a light permeable film assembly. Each main bottom shell is provided with a containing groove and a limiting portion. The two ends of the auxiliary bottom shell are contained in the containing grooves in the two main bottom shells in a slidable mode, and the auxiliary bottom shell is provided with matching portions matched with the limiting portions. The two end covers are fixedly connected with openings in the ends of the two main bottom shells respectively. The two basic radiating boards and the two movable radiating boards are connected with the two opposite inner side faces of the two main bottom shells in a rotatable mode. One end of each movable radiating board and the end, away from the main bottom shells, of the corresponding basic radiating board are arranged in a stacked mode and connected in a slidable mode. The adjusting base is connected between at least one end cover and one ends of the two basic radiating boards or / and the two movable radiating boards. The light permeable film assembly comprises a flexible light permeable film capable of being stretched and retracted after being stressed. The telescopic lamp shell structure is convenient to carry and has various light distribution effects. The invention further provides an LED ceiling lamp with the telescopic lamp shell structure.

The invention discloses an anti-ozone and ultraviolet-resistant non-toxic ceramic anticorrosive coating, which relates to the technical field of an anticorrosive coating, which aims to solve the problems that the anticorrosive coating in the prior art contains a toxic volatile organic solvent and environment is polluted due to a large VOC emission amount. The technical scheme point of the coatingis characterized by comprising a component A and a component B; the component A includes the following components in parts by weight: 45 to 55 parts of organosilicon-modified epoxy resin, 8 to 12 parts of polyglycidyl ether, 12 to 18 parts of pigments, 8 to 12 parts of a filler, 0.3 to 0.7 parts of an anti-settling agent, 0.8 to 1.2 parts of an anti-cracking agent, 1.8 to 2.2 parts of a softeningagent, and 4 to 0.6 parts of a coupling agent; and the component B is a non-toxic curing agent, and is a mixture of at least two of a fatty amine curing agent, a polyamide curing agent, and a fatty amine addition product. The anticorrosive coating has the characteristics of no organic solvent addition and zero VOC emission. The invention also provides a method for preparing the anticorrosive coating. The anticorrosive coating has the advantages of good ozone and ultraviolet resistance, and a coating layer obtained by curing has the advantages of good anti-fouling and wear resistance.

The invention discloses a dust-free oblique cutting saw and an achieving method thereof. The dust-free oblique cutting saw comprises a base. A rotary disc is arranged on the base and provided with a backing railing and a sliding part machine head. The sliding part machine head is provided with a protecting cover. A cutter cover is arranged in the protecting cover and connected with a handle. Saw blades are arranged in the cutter cover. A cutter cover dust stop block is arranged on the portion, before the rotating direction of the saw blades, of the cutter cover. A cutter cover dust outlet is formed above the cutter cover dust stop block. The cutter cover dust outlet is connected with a dust collection device which is connected with a dust collecting bag. A motor is arranged on the side edge of the dust absorbing device. The motor drives the saw blades and the dust collection device at the same time. The invention further discloses an achieving method of the dust-free oblique cutting saw. The dust-free oblique cutting saw has the beneficial effects of being simple in structure, low in manufacturing cost, good in dust collecting effect and convenient to maintain , and having a dust collecting function.

The invention relates to a one-way automatic stretching pedicle screw and application thereof. The one-way automatic stretching pedicle screw comprises a screw cap, a compressing gasket and a screw body. The screw body penetrates through the screw cap and is limited and fixed through the compressing gasket. The screw body penetrates through a round runway through hole at the tail end of the screw cap, and a spherical joint of the screw body is matched with a spherical joint socket I of the screw cap; the compressing gasket is clamped in, a spherical joint socket II of the gasket is matched with the spherical joint of the screw body, and two edges of the gasket protrude to be clamped to a groove of the screw cap; a cylindrical joint of a screw head with the screw body is matched with the round runway through hole at the tail end of the screw cap and a horn mouth on a single side to realize single planemovement; the invention also discloses an application of the one-way automatic stretching pedicle screw, mobility between the screw body and the screw cap is determined by opening size of the horn mouth so that design of single-plane screws of different mobility requirements is achieved; various specifications can be provided according to different thread sizes of the screw body, and the pedicle screw is adaptable to different occasions owing to screw bodies with different diameters and lengths.

The invention discloses a slow-release drinking water disinfectant and a preparation method thereof. The preparation method comprises the following steps: mixing potassium persulfate, a crosslinking agent and an auxiliary agent according to the formula; granulating; coating a latex liquid which can be crosslinked with a crosslinking agent; curing the surfaces of granules through gel polymerization; and drying to obtain the slow-release drinking water disinfectant. Correspondingly, the invention also discloses the slow-release drinking water disinfectant prepared by the method. The slow-releasedrinking water disinfectant reduces the frequency of repeated application, is economical and applicable as well as safe and effective, has controllable slow release rate and has extremely high promotion value.

The invention discloses a control system based on broadband triangular waves. The control system is characterized by being composed of a front-end power circuit, a protection circuit, a resonance circuit, a comparison circuit, a trigger circuit and a triangular wave control circuit; the protection circuit is connected with the output end of the front-end power circuit; the resonance circuit is connected with the output end of the protection circuit; both the comparison circuit and the trigger circuit are connected with the resonance circuit; the triangular wave control circuit is connected with the trigger circuit; the triangular wave control circuit is composed of a triangular wave generating circuit and a triangular wave regulating circuit. According to the control system, the utilization rate of a system power supply is higher, meanwhile, lower frequency can be output, and therefore the phenomenon of non-linear distortion of a display device is avoided; moreover, different frequency ranges can be switched, so that the frequency range of the control system is wider, and then the control system is suitable for different occasions.

The invention relates to an air spray composition for refreshing and sterilizing in vehicles and a preparation method. The air spray composition is formed by mixing 0.1-1.2% of rosemary essential oil,0.1-1.2% of grapefruit essential oil, 0.1-1.2% of tangerine essential oil, 0.001-0.1% of vervain essential oil, 0.001-0.1% of lemon essential oil, 0.1-1.2% of mint essential oil, 0.001-0.5% of tea tree essential oil, 1-3.2% of medical span 80, 0.01-3.2% of medical grade triethanolamine and medical purified water at a ratio. The air spray composition has unique fragrance and simple composition; all the raw materials interact with each other so as to adjust the mental state of human body; the effects of refreshing and sterilizing are obvious and long-lasting; the environment-friendly air spraycomposition for refreshing and sterilizing in vehicles provided by the invention is filled with nitrogen and high-purity air, is safe and reliable and is pollution-free; the preparation method is simple; the cost is low; the air spray composition is suitable for different occasions and is worthy of promotion.

The invention discloses a high-voltage cable fixing device, belonging to the technical field of high-voltage cables. The device comprises a mounting plate, a first fixed component, a second fixed component and a clamping component. The mounting plate is horizontally arranged, the first fixed component is arranged at one end of the mounting plate and the first fixed component is vertically disposed, the second fixed component is disposed at the top of the mounting plate and is located at a side of the first fixed component, the second fixed component is disposed corresponding to the first fixedcomponent, the clamping component is disposed at the top of the mounting plate and is located beside the second fixed component, and the clamping component and the second fixed component are correspondingly disposed. When the cable is fixed, one end of the cable is fixed through the first fixed component, the middle part of the cable is fixed by the second fixed component, the clamping componentclamps and flattens the cable, and after the cable is fixed, the shift of the position of the cable and the affection of the normal use of the cable are prevented.

The invention discloses an energy-saving air-conditioning fan comprising a base, wherein the base is provided with a compressor, a box body with an air inlet and an air outlet, a heat radiator; an air outlet of the box body is provided with an air pumping device and the box body is internally provided with an energy storing device; the energy storing device is internally provided with a containing cavity for containing a fluid medium and the containing cavity is internally provided with an evaporator which is inserted into the fluid medium and is used for refrigerating the fluid medium; the box body is internally provided with a ventilating duct which is communicated with the air outlet and the air inlet and is used for carrying out cold and heat exchange on the air; and the ventilating duct is separated from the containing cavity of the energy storing device. The energy-saving air-conditioning fan has good temperature-reducing effect, long temperature-reducing time, capability of circularly utilizing temperature-reducing water and energy saving; the energy-saving air-conditioning fan has the advantages of simple structure, easiness for manufacturing and machining, small volume, mobility and convenience for use, and is applicable to requirements of different fields.

The invention discloses an explosion-proof hidden type wall washer. The wall washer comprises a shell, a lamp holder with a long-strip-shaped structure is installed on the inner side wall of one sideof the shell in the length direction of the shell, LED lamps which are arranged at equal intervals in the length direction of the lamp holder is installed on one side of the lamp holder, a first reflecting plate fixedly connected with the inner side wall of the top of the shell is welded to the top of the lamp holder, a rotating shaft which is fixedly connected with the inner side wall of the shell is installed on one side of the top of the first reflecting plate, the outer ring of the rotating shaft is movably sleeved with a second reflecting plate with an arc-shaped structure, and a pushingrod which is arranged in the length direction of the shell is fixedly connected to the bottom of the second reflecting plate in a sleeved mode. According to the wall washer, the structure is simple, the operation is convenient, the LED lamps of the wall washer are hidden inside the shell, so that the wall washer does not make contact with the outside water vapor when being used, so that the wall washer has certain explosion-proof capability; meanwhile, the positions of the second reflecting plate of the arc-shaped structure and a movable cover shell are adjusted, so that the deflection angle of light is adjusted; and meanwhile, the width of the reflected light is adjusted, and the wall washer is suitable for being used in different occasions.

The invention discloses a WiFi positioning system based on probability and support vector machine computation and a method thereof. Multiple APs are randomly deployed in a positioning space so that the positioning space is divided into multiple positioning areas. The system comprises a data acquisition module, a data processing module and an SVM training module. The data acquisition module acquires positioning area data including positioning area identification, AP unique identification and signal intensity and acquires data to be positioned including AP unique identification and signal intensity. The data processing module processes the positioning area data so that a standard data table is generated. The SVM training module performs training processing with the data in the standard data table acting as an input source, and an SVM training result module is acquired after processing. The data to be positioned are processed by the SVM training result module so that a positioning result is acquired. The APs can be randomly deployed without limitation of aspects of position, number, clock or cost so that applicable occasions are wide.

Disclosed is a telescopic lamp shell structure. The telescopic lamp shell structure comprises two main bottom shells, an auxiliary bottom shell, a basic radiating board, a movable radiating board and a light permeable film assembly. A containing groove is formed in the end face of each main bottom shell, wherein a limiting portion is arranged at the position, close to the open end of the containing groove, of the main bottom shell. The two ends of the auxiliary bottom shell are contained in the containing grooves in the two main bottom shells, and matching portions matched with the limiting portions are arranged at the end of the auxiliary bottom shell. One end of the basic radiating board is fixedly connected with one main bottom shell, and the basic radiating board is used for bearing a first light source assembly. One end of the movable radiating board is fixedly connected with the other main bottom shell, the other end of the movable radiating board is in slidable connection with the basic radiating board, and the movable radiating board is used for bearing a second light source assembly. The light permeable film assembly comprises a flexible light permeable film capable of stretched or contracted after being stressed. The telescopic lamp shell structure can be packaged in the retraction state, the packaging space, the packaging cost and single lamp conveying cost are saved, and the telescopic lamp shell structure is convenient to carry and capable of being applicable to different using occasions. The invention further provides an LED ceiling lamp with the telescopic lamp shell structure.

The invention relates to an axial-magnetic-field birotor AC motor, and relates to the field of motors. The invention aims to solve the problem that a traditional motor is not suitable for occasions requiring different rotating speeds of two rotors. According to the axial-magnetic-field birotor AC motor, one motor stator is used for generating two magnetomotive forces in opposite rotating directions and at different rotating speeds, and the two magnetomotive forces interact with the magnetic fields of the two rotors respectively, so that the two rotors rotate in different directions and at different speeds respectively, and the purpose of being suitable for occasions with different rotating speeds of the two rotors is achieved. The efficiency and the power density of the birotor motor can be improved, the structure of a propulsion system is simplified, and the motor is simple in structure, low in manufacturing cost and high in reliability. The motor is suitable for a rotary propeller propelling system, and is particularly suitable to be used as a counter-rotating double-mechanical-port permanent magnet synchronous motor for propelling an underwater vehicle.