61results about How to "Few originals" patented technology

The invention relates to a backwash osmotic water purification machine with a monitoring function. According to the invention, a pressure tank and a check valve are connected to the water outlet pipe of an RO reverse osmosis membrane treatment unit; a water flow monitoring device and a TDS detection device are arranged at the water outlet end of each level of filter core of a filtering unit; a wastewater pipe is provided with a wastewater proportioner; the water flow monitoring devices and the TDS detection devices are connected with a PLC, and are connected to a display device through the PLC; the PLC transmits processed signals to the display device; a water pump is connected to the PLC; the PLC controls the on / off of the water pump. With the water purification machine, the service life of the RO reverse osmosis membrane is prolonged, energy consumption is reduced, and wastewater output is reduced.

The invention discloses optical network equipment, an optical module and an optical link detection method. The optical module comprises a coupling lens located in the optical module and a dielectric film reflector, wherein a surface of the coupling lens, which is close to a side of a detector or a laser, is plated with a dielectric film so as to form the dielectric film reflector; and the dielectric film reflector is used for reflecting a test signal of a detector and transmitting a work signal. By using the optical network equipment, the optical module and the optical link detection method provided in the invention, the dielectric film reflector formed through plating the dielectric film on the coupling lens of the optical module can realize an optical link measurement and diagnosis function based on OTDR; cost is low, components are saved and unification assembling can be achieved; OTDR detection can be realized without changing a device structure in an optical communication system.

The invention discloses a pet positioning device and a socializing method thereof. The method includes a housing body, hardware and a mobile control end cooperating therewith. The hardware includes apower supply module, a signal receiving module, a central processor registration management module, a GPS transmitting module, a start switch and an LED light. The power supply module, the signal receiving module, the central processor registration management module and the transmitting module are all disposed inside the housing body, and are mutually connected through electric wires. The start switch and the LED light are disposed on the housing body. The power supply module provides required power for the pet positioning device, the signal receiving module receives signals of an SIM card, and a central processor processes the received signals, carries out signal and position conversion calculation, and simultaneously issues an instruction to the LED light to illuminate the correspondingLED light. By employing the pet positioning device and the socializing method thereof, the pet positioning device is enabled to carry out precise positioning and distance measurement; a position wherea target is located can be accurately known; and a more direct and effective method is provided for pet socializing.

The invention relates to the field of a wiring switch, and discloses a rotary switch. When a gear needs to be rotated, a rotary shaft is only required to be rotated; the rotary shaft drives a movable contact piece, which is arranged on the rotary shaft in a sleeving manner, to rotate; a rotary positioning apparatus is used for positioning the rotation of the rotary shaft and the movable contact piece; a rotary contact is in contact with a corresponding rotary contact piece on a chassis successively so as to realize electric connection and gear regulation; when inching control is needed, an inching contact is only required to be rotated to an inching contact piece; then inching electric connection between the inching contact and the inching contact piece is realized by pressing the rotary shaft; and therefore, the rotary switch is simple in wiring, less in components, and high in electric appliance safety.

The invention relates to a sterilization backwash osmotic water purification machine with monitoring function. According to the invention, a backwashing wastewater pipe is arranged at a water inlet end of an RO reverse osmosis membrane treatment unit; a pressure tank is connected at a water outlet pipe of the RO reverse osmosis membrane treatment unit; a check valve is connected to a pipeline connecting the outlet pipe of the RO reverse osmosis membrane treatment unit and a water storage tank; and sterilization materials are adopted to manufacture a water storage tank, water pipes and the like. With the water purification machine, RO reverse osmosis membrane service life can be prolonged, energy consumption can be reduced, and wastewater output can be reduced.

The present invention relates to the field of a wiring switch, and discloses a motor rotary switch. When shifts are needed to rotate, a rotary shaft is rotated to drive a moving contact piece sleeving the rotary shaft. A rotary positioning device positions the rotation of the rotary shaft and the moving contact piece. A rotary contact is successively touched with rotary contact pieces on a base plate, and thus the electric connection and the shift adjustment are realized. When the point control is needed to be performed, a point moving contact is only needed to be rotated a point moving contact pieces, and then the point electric connection of the point moving contact and the point moving contact pieces is realized by pressing the rotary shaft. A micro-moving contact point on a micro-moving switch is pressed by pressing the rotary shaft, and the micro-moving switch is touched to carry out motions. The motor rotary switch has simple wirings, few elements, and high electric appliance safety.

The invention relates to a backwashing osmosis water purifier with bactericidal and monitoring functions. The water discharge pipe of a RO reverse osmosis membrane processing unit is connected to a pressure tank and a non-return valve; the water discharge ends of each filter core of a filter unit are all provided with a water flow monitoring device and a TDS detection device; the wastewater pipe is provided with a wastewater ratio device; the water flow detection devices and the TDS detection devices are all connected to a PLC and then connected to a display device through the PLC; the processed signals are transmitted to the display device by the PLC, a water pump is connected to the PLC, the water pump is started or closed by the PLC, and the water storage barrel and water pipes all comprise bactericidal materials. The water purifier has the advantages that the service life of RO reverse osmosis membrane is prolonged, the energy consumption is reduced, and the wastewater yield is reduced.

A balanced bridge comprises an input signal source, a reference impedance, an impedance to be tested, a bridge balancing module and a balance control module. The reference impedance is serially connected with the impedance to be tested and connected with the input signal source and is used for obtaining current vectors. The bridge balancing module comprises a reference impedance current extraction unit and an impedance to be tested current extraction unit and is used for providing bridge output pressure for the balance control module. The reference impedance current extraction unit is coupled to two ends of the reference impedance, the impedance to be tested current extraction unit is coupled to two ends of the impedance to be tested, and an output port of the bridge balancing module is an output port of bridge output pressure. The balance control module comprises a pressure detection module, a feedback circuit module and a single chip microcomputer, wherein one end of the pressure detection module is connected with the output port of bridge output pressure, the other end of the pressure detection module is connected with the single chip microcomputer, the other end of the single chip microcomputer is connected with the feedback circuit module, and the feedback circuit module is coupled to the impedance to be tested current extraction unit.

The present invention relates to a sterilization intelligent-monitoring back-washing water purification machine comprising a back-washing device and a water flow rate monitoring device, a water outlet end of a RO reverse osmosis membrane treatment unit is provided with a TDS detection device, a wastewater pipe is also provided with a wastewater proportioner, a water flow sensor and the TDS detection device are both connected with PLC, then are connected with a display device and a network transmission device by the PLC, a processed signal is transferred to the display device for display by the PLC, the processed signal is transferred to terminal equipment by the network transmission device, a pump is controlled to open and close by the PLC, and a water storage tank and water pipes and the like are made of sterilized materials. Beneficial effects of improvement of RO reverse osmosis membrane service life, and reduction of energy consumption and wastewater output volume can be achieved.

The invention relates to a sterilization pump-free energy-saving water purification machine. A wastewater pipe and an inlet water pipe of an RO reverse osmosis membrane treatment unit are connected to an energy-recovery device; inlet water from a water inlet pipe end of the energy-recovery device is subjected to work exchange, and is connected to a water inlet pipe before a water pump; inlet water from the wastewater pipe end is subjected to work exchange and is discharged; a regulating valve used for controlling is also arranged on the front end where the wastewater pipe is connected to the energy-recovery device, and is used for regulating water pressure; and sterilization materials are adopted to manufacture the water storage tank, water pipes and the like. With the water purification machine, a filtering assembly can monitored in real time, the service life of the RO reverse osmosis membrane is prolonged, energy consumption is reduced, and wastewater output is reduced.