According to the statistics of this website, in March 2015, a total of 10 water meter inventions were announced by the national patent authority, including 2 invention patents and 8 utility model patents.
Invention patent: IC card smart meter information security management module Patent holder: Chengdu Qinchuan Technology Development Co., Ltd.
Patent Description: The present invention discloses an IC card intelligent water meter information security management module, which belongs to an IC card intelligent water meter management auxiliary device. The information security management module includes a processor, a first data interface, a second data interface and FLASH. Memory, the processor respectively accesses the first data interface, the second data interface and the FLASH memory, and the information security management module performs identity authentication when the IC card information exchange module exchanges data with the water sales management system to ensure communication between the two. The legality; and use different keys to achieve water company's hierarchical management, and the use of 3DES/AES multi-level encryption, making the key higher security, and through the information security management module on the program download port in real time Upgrade the key to avoid the risks caused by the key leakage. At the same time, the invention's module structure is simple, which can guarantee the water company's independence in water meter control, and is not subject to external restrictions.
Invention patent: A patented smart meter reading system based on GPRS technology: Linyi Gaoxiang Water Meter Co., Ltd.
Patent Description: The present invention discloses a smart meter reading system based on GPRS technology, belonging to the field of automatic meter technology. It includes at least one data collector installed to the user, connected to the user's pulsed water meter; wireless data concentrator, wirelessly connected to multiple data collectors; repeater, wirelessly connected to multiple wireless data concentrators; GPRS The communication module, repeater, management computer, repeater and management computer are connected through a GPRS communication module. Due to the adoption of the above structure, the invention has the advantages of real-time monitoring, intuitive interface, simple operation, low power consumption, stability and strong anti-interference compared with the prior art, and can realize the advantages of wireless remote meter reading.
Utility Model Patent: Large-diameter Ultrasonic Water Meter Patentee: Hunan Weiming Energy Technology Co., Ltd.
Patent Description: The utility model discloses a large-caliber ultrasonic water meter, including a single-chip microcomputer, a pressure measurement module, an ultrasonic transducer channel switching module, an ultrasonic transceiver module, a timing module, a water temperature measurement module, a data storage module and a dual battery power supply Module; SCM control timing module generates clock pulse, timing module communicates with SCM, and provides clock pulse signal to ultrasonic transceiver module and water temperature measurement module; meanwhile, SCM uses ultrasonic transducer channel switching module to perform ultrasonic flow measurement between two channels. The timing module receives the measurement data of the two-channel ultrasonic transceiver module and the water temperature measurement module, and transmits the data to the single-chip computer; the data storage module is used to classify the data and stored in separate chips; the dual-battery power supply module supplies power to the single-chip microcomputer; The pressure measurement module is connected to the microcontroller. The utility model adopts a dual-channel ultrasonic measurement method, and completes high-precision measurement according to the basic principle of time difference measurement.
Utility model patent: Power and capacity detection module for ultrasonic water meter Patent holder: Hunan Weiming Energy Technology Co., Ltd.
Patent Description: The utility model discloses a power supply and capacity detection module for an ultrasonic water meter, including a microprocessor, a dual battery power supply and voltage stabilization circuit, a hardware watchdog and a discharge circuit, a battery undervoltage detection circuit, and a battery dropout. Electrical detection circuit, external voltage reference chip; dual battery power supply and voltage regulator circuit is connected to the power port of the microprocessor to supply power; the hardware watchdog and one end of the discharge circuit are connected to the dual battery power supply and voltage regulator circuit. One end is connected to the reset port of the microprocessor; the battery under voltage detection module is connected to the microprocessor; the battery power down detection module is connected to the microprocessor; and the external voltage reference chip is connected to the microprocessor voltage reference port. The utility model adopts dual battery power supply mode to increase the battery capacity, and outputs a stable 3V working voltage through a single-channel linear voltage regulator. The utility model can ensure the accuracy of the measurement error, and can also satisfy the long-term drive of the battery and the long-term stable operation of the system.
Utility Model Patent: Self-powered smart meter patent holder: North China Electric Power University (Baoding)
Patent Description: The utility model discloses a self-powered intelligent water meter, which comprises a microprocessor, a memory, an energy storage unit, an induced electromotive force receiving circuit, a permanent magnet DC generator, an LCD display, and an impeller built in a water pipeline. The output shaft is connected to a permanent magnet DC generator, the output end of the permanent magnet DC generator is connected to the energy storage unit, and the output end of the energy storage unit is respectively connected with the microprocessor and the induced electromotive force receiving circuit; the input end of the microprocessor is connected for An induction electromotive force receiving circuit for a magnetic field generated by a permanent magnet DC generator is induced, and an output of the microprocessor is connected to a memory and an LCD display. The utility model can utilize the residual pressure difference in the water pipeline to convert the mechanical energy of the water flow into electric energy to solve the power supply problem of the smart water meter without relying on AC power supply and battery power supply, thereby saving resources and reducing water environment pollution.
Utility Model Patent: An Efficient Metering and Energy-saving and Environment-friendly Electromagnetic Water Meter Flowmeter Patent Person: Zhejiang Diyuan Instrument Co., Ltd.
Patent Description: The utility model relates to an efficient metering and energy-saving and environment-friendly electromagnetic water meter flowmeter. Solve the instrument power consumption and lithium battery capacity need to regularly replace the lithium battery inside the instrument, the technical solution is: the electromagnetic meter head is also fixed within the power supply module, battery charging module, battery, solar power supply module and battery power supply module, A mechanical bracket is fixed directly above the head of the electromagnetic water meter, and the output end of the power supply module is electrically connected with the central processor. The output end of the solar panel is connected with the input end of the battery through the battery charging module, and the output end of the solar panel also passes through the solar power supply module. The input end of the power supply module is electrically connected, and the output end of the battery is electrically connected to the input end of the power supply module through the battery power supply module. The output end of the solar panel passes through the inside of the mechanical support and enters the internal part of the electromagnetic water meter and the solar power supply module and the battery charging module. Electrical connection. The utility model has excellent design and accurate testing.
Utility Model Patent: An Intellectual Electronic Water Meter Patentee: Fujian Zhiheng Software Technology Co., Ltd.
Patent Description: The utility model discloses an intelligent electronic water meter, which includes a mechanical water meter, a first Hall sensor, a second Hall sensor and a transmitter; a magnetic body is arranged on a pointer of the mechanical water meter. The first Hall sensor and the second Hall sensor are disposed above the mechanical water meter and are disposed on the circumference on which the magnetic body rotates; the transmitter is disposed outside the mechanical water meter, and the first Hall sensor The second Hall sensor is electrically connected to the transmitter respectively, and the smart electronic water meter is accurate and can be upgraded in a conventional mechanical water meter.
Utility Model Patent: An intelligent meter for opening the battery compartment to automatically close the valve. Patent holder: Shandong University of Science and Technology, Shandong Chenhui Electronic Technology Co., Ltd.
Patent Description: The utility model discloses an intelligent water meter for opening the battery compartment to automatically close the valve, including a battery compartment, a smart water meter casing, and an automatic valve closing mechanism. Magnetic steel is embedded in the silo wall of the battery compartment. A circuit board is mounted in the smart water meter housing, a Hall effect switch is disposed on the circuit board, and a Hall effect switch is connected to the switch circuit of the motor. The automatic valve closing mechanism includes a gear box, a valve rod, and a ball valve. The gear box is provided with a motor and a gear set. The output shaft of the motor is connected to the gear set. The lower end of the gear set is connected to the valve rod, the valve rod is connected to the ball valve, and the ball valve Set in the plumbing line. Open the battery compartment to replace the battery, automatic valve closing mechanism to solve the problem of no electricity, improve the intelligence of the water meter.
Utility model patent: valve-controlled remote water meter patent holder: Dongben Electric Technology Suzhou Co., Ltd.
Patent Description: The utility model discloses a valve-controlled remote water meter for remote reading and driving of external wireless equipment. The valve-controlled remote water meter includes a base meter, a processor and a wireless module, and the base table has a valve and a signal acquisition sensor. The device is connected to the valve and the wireless module. The data transmitting end of the wireless module is disposed on the signal acquisition sensor, and the wireless module is matched with the wireless device so that the processor drives the control valve to open and close after receiving the instruction. The valve remote control water meter of the utility model is applied, a valve control function is added, a command can be sent to the processor through a wireless device to control the opening and closing of the valve, and the replacement or maintenance of the water meter is convenient; the wireless module has a signal receiving element; When the external wireless device is connected, the signal receiving element wakes up the wireless module to work. When the external wireless device is disconnected, the wireless module is in a sleep state, which saves electricity.
Utility Model Patent: High Accuracy IC Card Water Meter Patentee: Chengdu Longteng Zhongyuan Information Technology Co., Ltd.
Patent Description: The utility model discloses a high-precision IC card water meter, including a metering device, a photoelectric sensor, a calibration device, a dry spring tube sensor, a single chip, an IC card interface circuit, a data storage, a liquid crystal display, a power supply circuit, an interface circuit, Electromagnetic valve and Hall sensor, the microcontroller through the dry spring tube sensor collection metering device information, the microcontroller through the Hall sensor collection of electromagnetic valve information, calibration device, IC card interface circuit, data memory, liquid crystal display, respectively, and the corresponding pin of the microcontroller The signal output terminals of the metering device are respectively connected with the signal input end of the photoelectric sensor and the signal input end of the dry spring tube sensor. The signal output end of the photoelectric sensor is connected with the photoelectric signal input end of the calibration device, and the power circuit provides power for the meter. . The calibration device of the utility model can improve the metering accuracy of the water meter, and the photoelectric sensor is used for accurately measuring the rotation speed of the meter at the time of calibration.
Invention patent: IC card smart meter information security management module Patent holder: Chengdu Qinchuan Technology Development Co., Ltd.
Invention patent: A patented smart meter reading system based on GPRS technology: Linyi Gaoxiang Water Meter Co., Ltd.
Utility Model Patent: Large-diameter Ultrasonic Water Meter Patentee: Hunan Weiming Energy Technology Co., Ltd.
Utility model patent: Power and capacity detection module for ultrasonic water meter Patent holder: Hunan Weiming Energy Technology Co., Ltd.
Utility Model Patent: Self-powered smart meter patent holder: North China Electric Power University (Baoding)
Utility Model Patent: An Efficient Metering and Energy-saving and Environment-friendly Electromagnetic Water Meter Flowmeter Patent Person: Zhejiang Diyuan Instrument Co., Ltd.
Utility Model Patent: An Intellectual Electronic Water Meter Patentee: Fujian Zhiheng Software Technology Co., Ltd.
Utility Model Patent: An intelligent meter for opening the battery compartment to automatically close the valve. Patent holder: Shandong University of Science and Technology, Shandong Chenhui Electronic Technology Co., Ltd.
Utility model patent: valve-controlled remote water meter patent holder: Dongben Electric Technology Suzhou Co., Ltd.
Utility Model Patent: High Accuracy IC Card Water Meter Patentee: Chengdu Longteng Zhongyuan Information Technology Co., Ltd.
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