DC commutator double-salient reluctance motor

A dc commutator double-salient reluctance motor is composed of a motor body, a commutator and a brush gear; the commutator cannot rotate along with a rotary shaft and the brush gear rotates along with the rotary shaft; the number of commutator bars connected with the winding is the lowest common multiple of the number of stator salient poles and rotor salient poles, and the number of electric brushes is at most equal to the number of rotor salient poles; the sequence of commutator bars connected with the winding is reverse to the distribution sequence of winding on the stator salient poles; the peripheral position of the commutator around the rotary shaft is changed to realize speed regulation, braking and reversal operation; the included angle of the front and rear edges of the electric brushes can be changed to change the output power and motor efficiency of the motor; the operation mode of the motor is the same to that of the switch reluctance motor, and the special vibration and noise ...

POSITION DIRECTION SYSTEM

INTELLIGENT TRAFFIC SYSTEM

Assistant system for person to walk out

Built based on the landmark location system, the invented system comprises the navigation center, the landmark network, the walkers' terminals and the information assistant station for walkers. Landmarks are put on ground where the coordinates are needed to determine or the place possesses the suggestive meaning. The places of these landmarks are indicated observably. With being excited by the signals of wireless radio frequency transmitted from walkers' terminals, the landmark sends the built-in information out. Thus, walkers' terminals can receive the application information from the landmark. Walkers through bus station signals or mobile phones can log on the navigation centers to request for help. Through various media and information assistant stations, the navigation centers provideservices of down loading application information for walkers' terminals.

一种多功能地面定位系统

... 本发明公开了一种多功能地面定位系统。它由地标、终端机和监控中心组成。所述地标内置不同属性信息，工作能量由外部辐射供给，布置于所有希望明确其坐标或具有提示意义的地点的地面或近地位置上：终端机安置于移动载体上，可激励地标并可接收到该地标的属性信息，通过其内置的微处理器可将编码形式的地标属性信息在地标应用信息系统中检索处理，得出该编码信息对应的地标属性信息内容，使载体获得所在地点的坐标、导航、导游等信息。该定位系统定位精度高、建网费用低，易于维护和开发应用，可广泛用于导航、导游等领域，完全可以有针对性地替代GPS系统。 ...

Method and system of traffic information service for commuting routes

The present invention provides a method and system for traffic information service, which is adapted to solving the road selection in daily familiar roads by using of terminals such as mobile phone under the support of a system center. A user firstly confirms pre-selecting commuting roads in a system center website and makes a commuting roads list. When a service is required, the user sends petition information to the system center, and the system center compares the properties of the recorded commuting roads, selects the best line and notices the user by way of a message or others. The present invention also provides several embodiments to solve the problems of one-way street lists, multi-end points lists existed in the commuting roads, and a second service occurred when part of the roads overlap with each other. The present invention does not have the problem of large amount of messages occurred in traffic information service carried on communication terminals such as mobile phone; thus ...

智能交通系统

An intelligent traffic system built on the basis of honeycomb mobile communication system, wherein the vehicle mounted terminal comprises GPS and a honeycomb mobile communication terminal, which provides an information transmission means between the system and the vehicle mounted terminal and downloads the partition information into the vehicle mounted terminal, the system also accomplishes the functions of vehicle recognition on any road sections and toll stations, non-stop leveled charging, traffic information acquisition and service, and personalized or broadcasting vehicle navigation services. The system can meet most of the requirements of the intelligent traffic system concept without the need of dispatching electronic maps. The system by the invention can provide strong implement support for drivers and traffic administrative departments.

Single-brush commutator

The invention relates to a single-brush commutator used by a drive winding of a 2/2 pole permanent magnet direct current motor. The single-brush commutator is totally provided with four commutating pieces; the four commutating pieces are divided into two groups, each group comprises two commutating pieces, and each commutating piece and the commutating piece in the same group are placed on the circumference in an opposite way. One group of commutating pieces is mutually connected, and the other group is not connected with any other commutating pieces. An included angle of the front edge and the rear edge of one group of two mutually connected commutating pieces is equal to a supplementary angle of an included angle of two magnetic poles of a rotor or is equal to an effective action angular distance of a winding of a set stator and a magnetic pole of the rotor; and an included angle of the front edge and the rear edge of the other group of two commutating pieces is equal to the included ...

Single-brush two-phase 2/2 pole magnetoresistance vibrating electric machine

Single-brush two-phase 2/2 pole magnetoresistance vibrating electric machine

In the structure of two-phase 2/2 pole magnetic reluctance motor, the stator has winding with one end connected to the commutator bar and the other end connected to one pole of the power supply, and the brush connected to other pole of the power supply; the rotor consists of eccentric permanent magnet and shaft sleeve; the stator consists of windings on two sides of the fixed shaft and the rotor rotates around the fixed shaft via the shaft sleeve. The fixed shaft is neither coincided with the mass center of the rotor nor in the rotor magnet pole connecting line to constitute the eccentric vibrator. The single brush commutator provides the eccentric rotor with starting moment and stable running moment. The said structure may be also used in common motor, and the single brush commutator may be used in magnetic reluctance motor of armature rotor and for substituting rotor position sensor in common magnetic reluctance motor to drive directly the great power commutator circuit.

Multifunctional ground locating system

A multifunctional ground positioning system is composed of ground beacons, terminals and monitor center. Said beacon contains its attribute information, powered by external radiation and arranged at the desired point on ground. Said terminal installed on moving carrier can excite said ground beacon to receive its attribute information and obtain the coordinate and navigation information after itsinternal processing. Its advantages are high positioning precision, and low cost.

Photoelectric non-computer-controlled switched reluctance motor

The invention discloses a photoelectric non-computer-controlled switched reluctance motor, which consists of a motor body and a photoelectric controller, wherein the photoelectric controller consists of a photoelectric signal generator and a power output unit; the power output unit is equivalent to a power output part of the traditional switched reluctance motor; the photoelectric signal generator consists of a blanking disc and a photoelectric disc; the number of transparent areas on the blanking disc is equal to the number of poles of a rotor; the shift of the transparent areas is equal to a phase winding conduction angle; and the number of double photoelectric cells on the photoelectric disc is equal to the number of phases of the motor. Three preferable embodiments provide three processing schemes for the positions of the transparent areas and the photoelectric disc from simplicity to complicity so as to perfectly reproduce a control mode for the conduction angle and conduction moment ...

Structure of rotor and stator of AC/DC motor

The present invention relates to the structure of permanent magnetic motor and power generator. The rotor consists of permanent magnet and radial plate and the stator consists of two sets, one front and one back, of iron cores and windings on the iron cores. Radially, the windings are below the magnetic pole ends of the permanent magnet. Inside the permanent magnet, the magnetic force lines are parallel to the shaft of the rotor, and the magnetic force lines of two permanent magnets constitute one enclosed loop. The magnetic force lines cut in the seam between the permanent manget and iron core edge. The structure of the present invention can reduce motor size, increase winding space, raise iron core utilization, and avoid the radial impact caused by cutting magnetic force lines.

Double positioning precision and three-stage screening method for moving target

The double positioning precision and three-stage screening method for moving target can screen out mobile terminal user set with high precision positioning capacity and in the specified area from oneblended user group without high precision positioning capacity. The screening method includes first scanning user subset A in mobile communication network subzone to cover the specific zone from all the user group with initial positioning capacity; then screening the terminal user subset B with high precision positioning capacity according to the difference of subset A users in log-in item content; and final screening the required user subset C by the computer syste mto send high precision positioning command and judge the returned high precision positioning information.

Asymmetric magnetic field 2/2 pole reluctance motor

Structure of vibrating motor is as following: one end of winding in stator is connected to commutator bar, and the other end is connected to one pole of electrical source, and brush is connected to the other pole of electrical source; rotor is composed of exocentric permanent magnet and shaft liner, and stator consists of vertical windings on two sides of fixed axis, and rotatable rotor through the liner is sheathed on the fixed axis; the fixed axis is neither coincided to center of mass of rotor, nor is on connecting line of rotor poles so as to constitute exocentric vibrator; single brush commutator (SBC) provides moment for starting rotation, and stable running moment. After center of gravity of rotor is balanced, the same structure also can be used in common motor; same SBC can be used in magnetic resistance motor (MRM), or replaces rotor position sensor of common MRM to drive large power switching circuit directly. The structure is also applicable to multipolar MRM.

微型永磁振动电机

The present invention relates to structure of a miniature permanent magnetic vibrating motor. Its rotor is composed of permanent magnet and shaft sleeve, and the stator is formed from coils which are respectively in-line arranged at two sides of the fixing shaft and iron core. The rotor is cover-mounted on the fixing shaft by means of rotor shaft sleeve and can be rotated about the shaft, the fixing shaft is not coincided with the centroidal of the rotor, and is not on the rotor pole joint so as to form the eccentric vibrator and starting torque. Said two coils are connected with one commutator circuit, and it can be used for feeding driving voltage waveform, and can be used for driving permanent-magnet eccentric rotor and making it rotate, and can be used for controlling its stable rotation according to frequency.

Intelligent traffic system with perfect function and simple architechure

The intelligent traffic system has vehicular terminal platform with combined GPS and mobile communication technology and information transmission means including short message and data service of mobile communication network. It can complete the vehicle recognition, log-in, charging, traffic information collection, navigation, electronic paying and management for vehicles in some road section. The intelligent traffic system has the integrated comprising parts of available intelligent traffic systems and powerful computer and software system. It can meet the requirement in intelligent traffic system and has low construction cost.

Municipal intelligent traffic and vehicle navigation system

The invention consists of a vehicle navigational device and a navigation center. Using the mobile telephone in the navigation center, the user reports the origin and the destination to the navigationcenter in manner of voice, short message and so on. Recurring to the electronic map, the navigation center provides several selectable path in the form of road sign sequence by adopting the route arithmetic method, the route is downloaded to the vehicle navigational device through a record digital-driving means so that the user may select one of them as the running route. Finally, the vehicle navigational device downloads the prompt information sequence corresponding to the selected running route. When the vehicle reaches the road sign, the vehicle navigational device plays the corresponding prompt information in manner of the voice synthesis speech to prompt the direction of the next road sign and the desired final destination to the user.

Application of single brushless commutator in reluctance motor and DC permanent-magnet rotor motor

The invention is a single-brush commutator, a special commutator installing brush on rotating shaft and fixing commutating disc on stator, where the connection between stator winding and commutator segment on the commutating disc is related with stator winding to be connected when the single brush keeps brush position on the commutator segment; it can replace rotor position detector on switched reluctance motor or DC brushless motor, and provides low-cost and simple-to-maintain control method for them. And it directly drives stator winding by simple power triode circuit and because the current through the commutator segment connected with base is very small, no electric spark can ablate the commutator segment and the single brush.

Non computer-controlled switch magnetic resistance motor

The invention provides a non computer-controlled switch magnetic resistance motor, which consists of a motor body and a signal controller, wherein the signal controller consists of a signal generator and a power outputting unit, and the power outputting unit is equal to a power outputting part of the traditional switch magnetic resistance motor. The signal generator consists of a switch board and a sensor board wherein the number of signal open regions on the switch board is equal to the number of poles of rotors, the angle equations of the signal open regions are equal to phase winding conduction angles, and the amount of the non-contact sensors on the sensor board is equal to the phase number of the motor. Three embodiments of the motor provides three processing schemes to the signal open regions and the position of the sensor board from simple to complex, thereby being capable of perfectly reappearing the conduction angle of the traditional switch magnetic resistance motor and the control ...