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Current loop state comprehensive monitoring device
PendingCN119496295Aaccurate collectionGuaranteed measurement accuracyCircuit arrangementsElectrical measurement instrument detailsTouchscreenRegulated power supply
The invention discloses a comprehensive monitoring device for a current loop state. The comprehensive monitoring device comprises a high-precision multi-range current measuring circuit, an MCU main control chip circuit, an output relay, a device power supply circuit, a touch screen socket, a current transformer, a wiring terminal, a 220V input wiring terminal, a touch screen, an MCU program downloading port and a 5V-to-3. 3V stabilized voltage supply. The high-precision multi-range current measurement circuit collects and processes current signals through the signal amplification module and the range switching module, and is connected with the MCU main control chip circuit for data analysis and logic processing. The MCU main control chip circuit outputs alarm signals through a relay, is linked with the touch screen, the sound-light alarm module and the communication interface module, and displays or transmits alarm information to a remote monitoring system. According to the invention, current loop abnormity can be monitored in real time, abnormal information can be rapidly fed back through a plurality of alarm modes, remote communication is supported, and the comprehensiveness and the intelligent level of monitoring are improved.
Owner:ZHAOTONG POWER SUPPLYING BUREAU OF YUNNAN POWER GRID
Embedded multipath data logger
Owner:HEFEI YUANZHONG MEASUREMENT & TESTING INSTRUMENT CO LTD
Switch emergency control and state monitoring device based on all-electronic execution unit
The application discloses a turnout emergency control and state monitoring device based on a full electronic execution unit and belongs to the technical field of rail transit signal control. The device comprises: a local operation panel, which is used for issuing control commands by a worker and displaying the current action state and representation of a switch machine; a switch machine emergency control structure, which is connected with the local operation panel, is used for operating the switch machine according to the command issued by an interlocking host computer or the local operation panel, and collecting and storing the indexes in the action process of the switch machine and the position state after the action is completed; and a switch machine state monitoring industrial computer, which is connected with the switch machine emergency control structure, is used for recording and displaying the action data of the switch machine, including the action direction, the current curve and the power curve. The device can realize safe local emergency operation and control of the switch machine in the case that communication with the interlocking host computer fails or the interlocking host computer is not available, and can display the action state, the current, the power and other information of the switch machine in real time.
Owner:CHINA ACADEMY OF RAILWAY SCI CORP LTD +3
Intelligent household balcony planting system
ActiveCN222302658Ureduce light intensityincrease light intensityProgramme controlMeasurement devicesAgricultural scienceWireless transceiver
The utility model discloses an intelligent household balcony planting system in the field of intelligent planting, which comprises a microprocessor which respectively receives and processes information acquired by a soil temperature and humidity detection circuit, a light intensity detection circuit, a carbon dioxide detection circuit and a WIFI (wireless fidelity) wireless transceiver circuit. Instructions are sent to a ventilation unit, a shading unit, a light supplementing unit and an irrigation unit respectively, the ventilation unit is used for reducing the concentration of carbon dioxide in air and the temperature of soil, the shading unit is used for reducing the illumination intensity borne by plants, the light supplementing unit is used for supplementing light to the plants, and the irrigation unit is used for irrigating the plants. The system can ensure that plants are always in a suitable growth environment, and has the advantages of lower cost and reliability.
Owner:GUANGLING COLLEGE YANGZHOU UNIV