38results about How to "With fault alarm function" patented technology

The invention discloses an intelligent sales terminal with an online shopping function, a sales system and a method. Disclosed by the invention is an intelligent safe sales terminal, a sales system and an implementation method which are based on network technologies, not only can carry out shopping on a local sales terminal, but also can order goods through the network. The intelligent sales terminal comprises a microprocessor, a man-machine interface module, a storage device, a network communication interface and a local communication interface, wherein the man-machine interface module, the storage device, the network communication interface and the local communication interface are connected with the microprocessor; and the man-machine interface module comprises a display screen and a device used for data input. The sales system comprises the intelligent sales terminal and a remote shopping website. The sales system also can comprise an automatic replenishment system and a remote server. The intelligent sales terminal with the online shopping function, the sales system and the method are easy to implement and can provide great convenience for shopping of customers.

The invention provides an intelligent pesticide delivery unmanned helicopter, and belongs to the technical field of agriculture plant protection. The unmanned helicopter comprises a helicopter body frame, a rotor wing flight system and an undercarriage assembly, wherein the helicopter body frame is provided with an onboard electric system which comprises a flight control unit, a GPS (Global Position System), a course meter, a miniature inertia measurement assembly, a measurement and control link, a steering engine controller and a power supply system, wherein the communication end of the flight control unit is connected with the magnetic course meter, the miniature inertia measurement assembly, the steering engine controller and the GPS in a communication way; the communication end of the flight control unit communicates with a measurement and control ground station by an onboard radio station; the control output end of the flight control unit is connected with the steering engine controller which controls the rotor wing flight system; a pesticide delivery device composed of a pesticide box, a liquid pump, a spray boom and a sprayer is mounted in the middle of the helicopter body frame. The unmanned helicopter is capable of realizing automatic navigation flight and automatic control on pesticide delivery operation.

The invention discloses a fully-automatic round-head barrel hook forming machine belonging to the field of wire bending machines. The fully-automatic round-head barrel hook forming machine comprises a steel wire feeding device, a handle tube feeding device, a forming device, a fetching and shaping device and a control system, wherein the handle tube feeding device is arranged in front of the forming device; the steel wire feeding device is arranged at the rear of the forming device; the fetching and shaping device is arranged in front of the forming device, is located below the handle tube feeding device and is composed of a grabbing mechanism, a locating mechanism and a shaping mechanism; and all the steel wire feeding device, the handle tube feeding device, the forming device and the fetching and shaping device are automatically controlled by the control system to sequentially finish the actions of handle tube feeding, steel wire feeding, barrel hook forming as well as fetching and shaping. By using the fully-automatic round-head barrel hook forming machine, a barrel hook not only can be fully-automatically produced, but also can be corrected and shaped after being formed to make preparation for the next installation of the barrel hook, so that the requirement of an automatic installation production line of the barrel hook is met, and the automatic level and production efficiency of vessels such as barrels and tanks are greatly increased.

The invention provides a burn-in detection system which can be used for burning different types of power modules by replacing adapting plates, back plates and load plates. The adapting plates enable loads on the load plates to be loaded on objects to be detected through the back plates. An AD collector collects voltage data of the objects to be detected through the adapting plates and sends the data to a single-chip microcomputer. A temperature and humidity collector collects temperature and humidity data of the load plates and sends the data to the single-chip microcomputer. The single-chip microcomputer carries out signal processing on the received temperature and humidity data and the received voltage data to obtain a monitoring result and transmits the result to a display for displaying. In addition, the warning range of the monitoring result is set, and when the result is detected to exceed the warning range, warning inductions are sent out to trigger an alarm. According to the burn-in detection system, manual detection methods before the burn-in detection system is applied are replaced, and efficiency is improved greatly; in addition, the loads can be replaced freely according to needs; voltage signal self-testing and load inner temperature self-testing are added, and the system can give out an alarm immediately when faults happen; human resources are relieved, and uncertain factors caused by manual interference are avoided.

The invention discloses a gear indicator of a commercial vehicle transmission. The gear indicator comprises an engine speed sensor, a transmission output shaft speed sensor, an operating lever front-rear position sensor, a gear display controller and a multi-functional instrument or an external LED display screen, wherein the gear display controller integrates the speed ratio, the operating lever gear position, the clutch switch signal, the neutral gear switch signal, the reverse gear switch signal and the operating level position switch signals for logical gear judgement, so as to judge the current gear state of a vehicle. The gear indicator disclosed by the invention has the advantages that through calculation and analysis of the relative speed ratio of the engine speed to the transmission shaft speed as well as the preset gear coefficient, the gear information can be precisely obtained; the structure of the commercial vehicle transmission is unchanged; and through addition of the gear display controller as well as a corresponding route, a gear position inductive switch, and the LED display screen, the vehicle equipped with any one transmission can have the abilities for modification and display of detailed gears.

The invention discloses an underwater illumination lamp based on the transmission turbidity measurement principle, and discloses the underwater illumination lamp. The lamp comprises a lamp body, a lamp support, a reference infrared light source, an infrared filter, an infrared photoelectric sensor, a cable connector, an LED drive module, an LED lamp, a lampshade housing, a main circuit board, a signal detection processing module, a constant current source drive part, a power module, and a microcontroller. One end of the main circuit board is electrically connected with the signal detection processing module, and the other end of the main circuit board is electrically connected with the constant current source drive part. The LED drive module is electrically connected with the other end of the main circuit board. The infrared photoelectric sensor is electrically connected with an unoccupied end of the signal detection processing module. The reference infrared light source is electrically connected with an unoccupied end of the constant current source drive part. The lamp can automatically adjust the luminous flux, can enable the illuminance of a specific work surface in underwater illumination to be constant, and can improve the quality of underwater illumination. The invention also relates to a light adjustment method for the underwater illumination lamp based on the transmission turbidity measurement principle.

A current transformer capable of switching transformation ratios for metering off-grid energy of wind power plants belongs to the technical field of wind power plant metering transformers and facilitates metering of the off-grid energy of wind power plants. According to the technical scheme, the current transformer capable of switching transformation ratios for metering the off-grid energy of wind power plants comprises a first winding circuit and a second winding circuit, wherein the second winding circuit comprises a signal actuating circuit, a signal acquisition circuit, a signal converting circuit and an overload protecting circuit, the second winding circuit comprises intermediate relays of ZJ1, ZJ2 an ZJ3, an overcurrent relay LJ1, an inverse power relay NGJ1, an outage delay time relay SJ1, an electrifying delay time relay SJ2, an electrifying delay time relay SJ3, a protection stop button SB1 and a bell D1. The current transformer capable of switching transformation ratios for metering the off-grid energy of wind power plants is suitable for an electric power sector.

The invention relates to an optical fiber coloring take-up and pay-off tension control system. The optical fiber coloring take-up and pay-off tension control system comprises a master control system, a sensor group, a power traction module, a pay-off device, a take-up device, two optical fiber core plates, a set of pulleys and a mechanical support. The master control system is in charge of controlling and managing the whole optical fiber coloring take-up and pay-off tension control system, and comprises a control module, a data acquisition module, a tension control unit, a fault diagnosis module, a take-up control unit, a pay-off control unit and a display module. The power traction module is in charge of executing commands and motions of the master control system, and comprises a power control unit, a pay-off command issuing unit and a take-up command issuing unit. The optical fiber coloring take-up and pay-off tension control system can balance optical fiber take-up and pay-off tension, keeps the coloring rate between 600m/min and 1500m/min, makes a human-machine interface be beautiful, and has a fault alarm function.

The invention relates to a tension control system for fiber core colored receiving and releasing wires, which comprises a main control system, a sensor group, a power traction module, a wire releasing device, a wire receiving device, two fiber core discs, a group of pulleys and a mechanical bracket. The main control system takes charge of control and management of the whole tension control system for the fiber core colored receiving and releasing wires, and comprises a control module, a data acquisition module, a tension control unit, a fault diagnosis module, a wire receiving control unit, a wire releasing control unit and a display module. The power traction module takes charge of executing the commands and motion of the main control system to ensure that the motions of the wire releasing device (2) and the wire receiving device (5) are harmonious and synchronous, and the power traction module is divided into a power control unit, a wire releasing instruction issuing unit and a wire receiving instruction issuing unit. The tension control system can balance the tensions of the fiber core receiving and releasing wires, and has an attractive human-machine interface and the function of fault alarm; and the wire receiving tension is 45+/-3 grams, the wire releasing tension is 45+/-3 grams, and the coloring speed is 600 to 1,500 meters per minute.

The invention discloses an intelligent pulverized coal concentration, speed and fineness on-line monitoring leveling system. The system comprises a pulverized coal concentration, speed and fineness integrated measuring device and an on-line leveling device which are installed in a primary air pipe between a coal mill outlet and a boiler inlet, and the pulverized coal concentration, speed and fineness integrated measuring device and the on-line leveling device are in communication connection with a boiler air and pulverized coal on-line balance system; and the pulverized coal concentration, speed and fineness integrated measuring device is used for collecting concentration, speed and fineness signals of pulverized coal in the primary air pipe, the boiler air and pulverized coal on-line balance system is used for controlling the on-line leveling device to adjust the flow and flowing speed of the pulverized coal inside a coal mill outlet pulverized coal pipe according to a pulverized coalsignal and a current opening signal of the on-line leveling device. According to the intelligent pulverized coal concentration, speed and fineness on-line monitoring leveling system, the integrated on-line measuring and leveling closed loop technology is adopted, primary air and pulverized coal thermal state leveling is achieved, and assistance is provided for achieving optimized burning, improving the boiler efficiency and reducing the net coal consumption rate.

The invention relates to a controller of an indicating board, in particular to an automatic controller of an indicating board for school bus parking. The automatic controller of the indicating board for school bus parking comprises a stepping motor used for controlling the indicating board for school bus parking to stretch out and withdraw, a stepping motor driver driving the stepping motor to work, a sound-and-light driving circuit used for driving an alarm, a caution lamp and an indicating lamp to work, a limiting control circuit used for detecting whether opening or closing of the indicating board for bus parking is in place or not, an operating signal detecting circuit used for selecting various working states, and a single-chip microcomputer used for controlling the stepping motor driver and the sound-and-light driving circuit to work, wherein the stepping motor driver, the sound-and-light driving circuit, the limiting control circuit and the operating signal detecting circuit are respectively connected with the single-chip microcomputer, the stepping motor is connected with the stepping motor driver, the stepping motor driver is further connected to a vehicle-mounted power source, and the sound-and-light driving circuit is further respectively connected with the vehicle-mounted power source and a grounding terminal. The automatic controller of the indicating board for school bus parking has the advantages of being accurate in positioning, capable of being controlled by a driver conveniently and rapidly and avoiding error operation, and the like.

The invention discloses a transient-state waveform analysis system based on an electronic mutual inductor. The transient-state waveform analysis system based on the electronic mutual inductor comprises an electronic mutual inductor device, a high-precision sampling device and a waveform analysis device, wherein the electronic mutual inductor is connected with the high-precision sampling device via an optical fiber; the high-precision sampling device is connected with the waveform analysis device via an optical fiber; and the electronic mutual inductor device 1 is also connected with a bus alternating-current voltage input module via a line. According to the transient-state waveform analysis system based on the electronic mutual inductor, which is disclosed by the invention, not only the defects that the traditional mutual inductor can not provide higher sampling precision and time response are overcome, but also the data can be stored in a comtrade file format by the waveform analysis device, and the comtrade file format can be checked as postmortem analysis and also can be provided for other mainstream manufacturer analysis systems to serve as a data source.

The invention relates to a new wire releasing and collecting tension force control apparatus, which comprises a main control system, a sensor group, a power traction module, a wire releasing device, a wire collecting device, two optical fiber chip plates, a group of sliding wheels and a mechanical support. The main control system is responsible for the control and the management of an entire optical fiber coloring wire collecting and releasing tension control system and comprises a control module, a data acquisition module, a tension control unit, a fault diagnosis module, a wire collecting control unit, a wire releasing control unit and a display module. The power traction module is responsible for executing the commands and actions of the main control system to ensure the actions of the wire releasing device (2) and the wire collecting device (5) are coordinated and synchronized. The power traction module is divided into a power control unit, a wire releasing instruction publishing unit and a wire collecting instruction publishing unit. The control apparatus of the invention is able to achieve the balanced wire releasing and wire collecting tensions with the wire collecting tension fluctuating 3g above or below 45g and the wire releasing tension also fluctuating 3g above or below 45g. The coloring speed is 600-1500m/min. The human-machine interface is good looking and the apparatus has a fault alarming function.

The invention discloses a control box with a fault alarm function for a mining belt conveyor. The control box comprises a conveyor base, a bottom plate, a damping mechanism, a control mechanism, a support frame and a cleaning mechanism, wherein a conveyor body is fixedly connected above the conveyor base, the bottom plate is arranged in the conveyor body, a damping pad is arranged above the bottom plate, one side of the damping mechanism is fixedly connected with the damping pad, the other end of the damping mechanism is connected with the transmission roller, the conveying motor is rotatably connected with the transmission roller through the belt transmission structure, the conveying belt is arranged on the outer side of the transmission roller, the control mechanism is arranged on one side of the conveyor base, and the support frame is arranged on one side of the protective fence. And the cleaning mechanism is arranged on the other side of the protective fence. According to the control box with the fault alarm function for the mining belt conveyor, the damping mechanism and the cleaning mechanism are arranged, the damping mechanism is good in buffering effect, vibration generated during conveying of the conveyor is effectively reduced, and the cleaning mechanism facilitates cleaning of a conveying belt in the conveyor.

The invention discloses a vehicle passenger compartment illumination redundancy backup power supply circuit comprising two driving power supplies with the same internal structure and including a firstdriving power supply and a second driving power supply. The input ends of the two driving power supplies are all connected with a power supply circuit. The output ends of the two driving power supplies are connected to respective loads. The load capacities of the driving power supplies are higher than the actual loads. Each driving power supply includes a power circuit unit, a control circuit unit and a backup circuit unit. The power circuit unit and the control circuit unit are led out of the input end of the driving power supply. The power circuit unit is connected with the positive pole ofthe load and the backup circuit unit. The control circuit unit is connected with the negative pole of the load. The backup circuit units of the two driving power supplies are connected to each other.In addition, the invention discloses a control method of the vehicle passenger compartment illumination redundancy backup power supply circuit. The vehicle passenger compartment illumination redundancy backup power supply circuit combines the advantages of an existing redundant power supply method and can greatly improve the stability of the vehicle passenger compartment illumination power supplysystem.

The invention discloses a horizontal full-automatic micro-channel coating production line. The horizontal full-automatic micro-channel coating production line sequentially comprises a degreasing part,a bubble cleaning part, a passivation part, a first coating part, a first drying part, a second coating part, a second drying part, a cooling part and a PLC. The production takt can be adjusted freely according to the process time requirements for workpiece treatment (directly set to 0-60 minutes per workpiece on a panel). Cleaning tanks are provided with cyclic filter devices, so that the cleanness of a cleaning solution is guaranteed; and liquid level protection devices are arranged in the cleaning tanks and liquid storage tanks to automatically protect water pumps and heating pipes in caseof a liquid shortage, and process parameters such as the PH, the electric conductivity, the temperature and the time are detected automatically.

The invention discloses driving equipment comprising a motor and a belt. An alarm is fixedly connected to the right side of a connecting block, a spherical groove is formed in the left side of the connecting block, a rotating ball is movably connected in an inner cavity of the spherical groove, an outer baffle is fixedly connected to the left side of a connecting rod, inner baffles are fixedly connected to the top and the bottom of the outer baffle, sliding chutes are formed in the front surface and the back surface of the inner cavity of a sliding plate, sliders are movably connected to the inner sides of the sliding chutes, a moving block is fixedly connected between the two sliding blocks, the lower parts of two sides of the moving block are fixedly connected with pins, reset springs are fixedly connected to upper parts of two sides of the moving block, and conductive elastic pieces are fixedly connected to the top and the bottom of the inner cavity of a conduction block. The driving equipment comprising the motor and the belt has high practicability by means of the pins, the moving block, the outer baffle, the inner baffles, the spherical groove, the rotating ball and the resetsprings.

The invention discloses a dual motor regulated CVT electronic control system and method. The control system comprises a single chip microcomputer, externally-input throttle opening degree signals andgear position signals are input into an analog quantity of the single chip microcomputer, and the single chip microcomputer is internally provided with an AD conversion module; a vehicle brake signalis input to the single chip microcomputer, and the signal is a switch quantity; an engine rotating speed signal is input to be a pulse signal, conversion is carried out through a pulse measuring circuit, and the rotating speed calculated by a periodic method and a frequency method is input into the single chip microcomputer; a target speed ratio value is calculated in the single chip microcomputeraccording to the function relationship between the input signal and a target speed ratio, the target speed ratio value is used for changing the PWM duty ratio of two motor execution modules, the rotating speed of two speed ratio motors is continuously controlled in a coordinated manner, the actual speed ratio value continuously levels off to the target speed ratio value, and the final target speed ratio value is finally achieved; and the motors are locked through locking modules when the two speed ratio motors do not work, and the best performance of a vehicle is achieved.