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34results about How to "Suitable for management" patented technology

Field sampling soil information electronic tag device

The invention discloses a field sampling soil information electronic tag device. A stainless steel cylinder and one end, which is close to the drill, of a sampling pipe are provided with a sampling probe. A fixed rotating disc is provided with an adjusting nut. The sampling pipe is provided with external threads. The adjusting nut and the external threads are connected in a threaded fitting way. The depth of the sampling probe in the stainless steel cylinder is adjusted by adjusting the adjusting nut. A sampling bottle is provided with an RFID electronic tag. The disc surface of the fixed rotating disc is provided with a GPS positioning component, an RFID read-write module and a wireless transmitting module. The RFID read-write module writes positioning information of the GPS positioning component and soil acquisition information in the RFID electronic tag. The RFID read-write module also transmits the acquisition information to a sampling management center through the wireless transmitting module. Intelligent recording and inputting of soil data can be realized through arrangement of the RFID electronic information tag, and the sampling position information can also be recorded so that the field sampling soil information electronic tag device is simple in structure, easy to carry and quite suitable for acquisition and management of the field soil data.
Owner:JILIN JIANZHU UNIVERSITY

Lithium battery management system and method based on bridge-removing bistable relay

The present invention discloses a lithium battery management system and method based on a bridge-removing bistable relay. The system comprises a lithium battery pack, a battery manager and a bridge-removing bistable relay. The method comprises: when an electrical is higher than an equalization unlatching point in voltage or less than an over-discharge protection point in voltage, an equalization device performs equalization of the electrical core; when the electrical core is higher than the over-discharge protection point in voltage, the bridge-removing bistable relay breaks and separates from the bridge, and the lithium battery pack stops to charge; and when the voltage of the electrical core is lower than the voltage of the over-discharge protection point and is higher than the voltage of an upper resetting point, the charging is stopped and goes on the equalization; when the voltage of the electrical core is lower than the voltage of the resetting point and is higher than the voltage of the equalization unlatching point, the bridge-removing bistable relay is closed and performs bridge removing, and the lithium battery pack recovers charging. On the basis of an interval voltage control method, a special device bridge-removing bistable relay is employed to design a novel lithium battery management method through combination of the equalization control technology and the upper resetting management mode so as to fully develop the performances and the service life of the lithium battery.
Owner:深圳市远信储能技术有限公司

Polluted site groundwater quality layered monitoring system and method

The invention discloses a polluted site groundwater quality layered monitoring system and method. The system comprises a well mouth protection box on a well mouth of a monitoring well, a cross beam is arranged in the well mouth protection box, an adjustable hanging ring and a fixed hanging ring are installed on the cross beam, a cable connects a bottom layer monitoring probe, a middle layer monitoring probe and a top layer composite monitoring probe in series and then penetrates through the adjustable hanging ring to be connected with a control host, and the control host is hung on the fixed hanging ring through a mooring rope. The control host comprises a main controller and a remote transmitter which are installed in a host shell, and an air pressure sensor and an overflow sensor are installed on the host shell. An anti-theft sensor and a signal antenna are arranged in the wellhead protection box. The signal antenna is connected with the main controller through the remote transmitter. The bottom layer monitoring probe, the middle layer monitoring probe, the top layer composite monitoring probe, the air pressure sensor, the overflow sensor and the anti-theft sensor are connected with the main controller. The water quality data can be obtained from underground water in a layering manner, and underground water pollution conditions are truly and comprehensively reflected.
Owner:CENT FOR HYDROGEOLOGY & ENVIRONMENTAL GEOLOGY CGS

A lithium battery management method based on off-bridge bistable relay

The present invention discloses a lithium battery management system and method based on a bridge-removing bistable relay. The system comprises a lithium battery pack, a battery manager and a bridge-removing bistable relay. The method comprises: when an electrical is higher than an equalization unlatching point in voltage or less than an over-discharge protection point in voltage, an equalization device performs equalization of the electrical core; when the electrical core is higher than the over-discharge protection point in voltage, the bridge-removing bistable relay breaks and separates from the bridge, and the lithium battery pack stops to charge; and when the voltage of the electrical core is lower than the voltage of the over-discharge protection point and is higher than the voltage of an upper resetting point, the charging is stopped and goes on the equalization; when the voltage of the electrical core is lower than the voltage of the resetting point and is higher than the voltage of the equalization unlatching point, the bridge-removing bistable relay is closed and performs bridge removing, and the lithium battery pack recovers charging. On the basis of an interval voltage control method, a special device bridge-removing bistable relay is employed to design a novel lithium battery management method through combination of the equalization control technology and the upper resetting management mode so as to fully develop the performances and the service life of the lithium battery.
Owner:深圳市远信储能技术有限公司

Imperata cylindrica Beauv growth liquid applied to soil restoration in mining area, and preparation method thereof

The invention discloses an Imperata cylindrica Beauv growth liquid applied to soil restoration in a mining area, and a preparation method thereof. The Imperata cylindrica Beauv growth liquid comprisesa plant decayed solution, hydroxyethyl cellulose, triethyl citrate, ammonium carbonate and potassium sulfate. Plants are treated by a specific means, enzymatic hydrolysis and fermentation are carriedout to obtain the plant decayed solution being suitable for growing roots of Imperata cylindrica Beauv and stimulating the roots of Imperata cylindrica Beauv, the hydroxyethyl cellulose which is highly viscous and easily soluble in water is added, and the triethyl citrate is a strong thickener and increases the viscosity of the hydroxyethyl cellulose, so the Imperata cylindrica Beauv growth liquid forms a protective film on the outer layer of the roots of Imperata cylindrica Beauv, can maintain the relative environmental stability of the roots, and can ensure the passing of water molecules without affecting the growth of the roots due to its hydrophilicity. The Imperata cylindrica Beauv growth liquid can promote the good growth of Imperata cylindrica Beauv in the mining area especially the seriously polluted mining area, and plays a great role in environmental protection and soil restoration.
Owner:NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA

Method of Rural Information Interaction System

The invention provides a method for a rural information interaction system, including a server, the server includes a communication module, an application module, an authentication database and a transaction database, the communication module is provided with a WiFi module and a base station module, the WiFi module is electrically connected to the WiFi antenna, and the base station module is connected to the WiFi antenna. The base station antenna is electrically connected; the server is connected to the public network; the communication module is used to communicate with the public network and the mobile terminal; the application module is used to execute application commands and interact with the mobile terminal; the authentication database is used to store user authentication data ; The transactional database is used to store data related to text, pictures and videos. The method includes the following steps: searching for the signal source of the mobile terminal; judging whether it is the first access; completing the authentication, accepting the graded data service; entering the visitor mode before completing the authentication, accepting the basic data service. By adopting a scheme where multiple communication methods coexist, the efficiency of rural information interaction is improved. The invention has the characteristics of high intelligence and low maintenance rate.
Owner:宜昌深达科创网络科技有限公司
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