10results about How to "Avoid wiring errors" patented technology

The application discloses an emergency power supply box with open-break power distribution terminals, and belongs to the technical field of emergency power supply boxes. The power supply box comprises four interval-parallel arranged power connection copper bar assemblies, which are divided into two groups and are respectively used for connecting zero lines and live lines of power supply cables and emergency cables; one grounding copper bar assembly is used for grounding connection with the power supply cables, the emergency cables and the power distribution terminals; a plurality of power distribution terminals are in sliding connection with the power connection copper bar assemblies, and are controlled by a control assembly to be respectively electrically connected with the power connection copper bar assemblies connected with the power supply cables or the emergency cables and simultaneously electrically connected with user cables; a box body is used for containing the above components, and a cable outlet is arranged at the bottom of the box body; and an emergency power supply interface is arranged outside the box body and is electrically connected with the emergency cables. The application replaces manual operation with mechanical automatic switching, and replaces scattered parts assembly with modular integration, so that the emergency power supply is fast, safe and standardized, and is especially suitable for power emergency protection of high-rise residential areas under extreme weather such as floods and typhoons.

The application provides a device for measuring inclination, a system for measuring inclination and a method for judging validity of measurement data, the device for measuring inclination comprising a repeater, a measuring head and a cable, the repeater comprising an acquisition circuit and a rechargeable battery, the acquisition circuit comprising a single-chip microcomputer, a power conversion circuit and a power supply bus master station circuit, the acquisition circuit controlling the opening and closing of the power conversion circuit and the power supply bus master station circuit through the single-chip microcomputer, the measuring head comprising a power supply bus slave station circuit, one end of the cable being connected with the power supply bus master station circuit and the other end of the cable being connected with the power supply bus slave station circuit. Compared with the prior art, the technical scheme of the application can solve the technical problems of the prior art, i.e., large volume, large weight, high cost and poor portability of the cable of the device for measuring inclination.

The invention discloses a high-flame-retardant torsion-resistant wear-resistant comprehensive cable for controlling an access control system. The high-flame-retardant torsion-resistant wear-resistant comprehensive cable comprises four cables, a fire extinguishing strip, a winding cloth layer and a total sheath, the four cables are a communication cable, a sensor cable, a power cable and a linkage control cable respectively, the winding cloth wraps the four cables, the fire extinguishing strip is located in a space defined by the winding cloth layer, and the total sheath is located on the outer side of the winding cloth layer; the four cables are provided with outer sheaths with different colors; the inner side of the outer sheath of the communication cable is provided with an aluminum foil shielding layer. The fire extinguishing strip comprises a perfluorohexanone microcapsule. Four cables with different purposes are arranged below the total sheath, the time for preparation, arrangement, pulling connection and terminating connection is effectively saved, and the outer sheaths of different cables adopt different colors, so that wiring errors can be prevented. The communication cable adopts the aluminum foil shielding layer to enhance the signal stability in the signal transmission process; the fire extinguishing strip has a fire extinguishing function and effectively improves the flame retardant capacity.

The application relates to the technical field of saline-alkali soil irrigation, and discloses a saline-alkali soil irrigation system and method based on electric water folding and an electrode array layout, wherein the saline-alkali soil irrigation system comprises electrodes arranged in an array, a power supply assembly and a control assembly arranged at the edge of the saline-alkali soil, and a sensor assembly uniformly arranged in the saline-alkali soil; the power supply assembly is electrically connected with the control assembly; the control assembly is electrically connected with the electrodes and the sensor assembly; the sensor assembly comprises a moisture sensor and a salt content sensor; the electrodes are divided into three groups; the embedding depth of the electrodes in the third group is 1.6-2 times that of the electrodes in the second group; the embedding depth of the electrodes in the second group is 1.6-2 times that of the electrodes in the first group; and the electrodes comprise negative electrodes and positive electrodes. Through the technical scheme, the problem that the irrigation amount cannot be accurately controlled due to the fact that the moisture parameters and the salt content parameters in the soil cannot be obtained in a timely manner in the existing saline-alkali soil is solved.

The utility model discloses a control signal networked transmission system, which relates to the field of medical control systems and comprises at least one control circuit, two microprocessors and at least one receiving circuit, the control circuit is electrically connected with one microprocessor, the receiving circuit is electrically connected with the other microprocessor, and the two microprocessors are electrically connected with the control circuit. The two microprocessors are connected through network transmission, the control circuit transmits a control signal received by one signal node to the receiving circuit through the two microprocessors, and the receiving circuit outputs the control signal to control the other signal node; according to the utility model, control signals of the signal nodes are transmitted in a networked manner, heavy cables are removed, space occupation is reduced, winding risks are avoided, stability of control signal transmission is ensured, installation cost is reduced, upgrading and reconstruction are convenient, rewiring is not needed when control nodes are increased, lightweight design of equipment is facilitated, wiring errors of the control signals are avoided, and reliability of the equipment is improved. And convenience and economic benefit guarantee are provided for transmission of control signals.

The utility model relates to the technical field of electronic components, in particular to a low-power pulse transformer and a charger, the transformer comprises a magnetic core assembly and a bowl-shaped plastic shell, the magnetic core assembly is fixedly installed inside the plastic shell, and metal pins are fixedly installed on the horizontal outer side of the face, provided with an opening, of the plastic shell; the magnetic core assembly comprises a circular-ring-shaped framework, a coil with a lead, a first magnetic core and a second magnetic core, the center of one face of the first magnetic core and the center of one face of the second magnetic core are provided with cylindrical protruding parts matched with an inner ring of the framework in size, the coil is wound on the outer ring surface of the framework, and the framework is arranged between the first magnetic core and the second magnetic core. The protruding part of the first magnetic core and the protruding part of the second magnetic core are both located in the inner ring of the framework, the mutual contact faces of the protruding part of the first magnetic core and the protruding part of the second magnetic core are connected through an adhesive, and leads of the coil are welded to the corresponding metal pins. The transformer is high in installation efficiency, high in reliability and small in occupied space of a circuit board.

The tripping and closing loop wiring terminal at least comprises a base and a plugging terminal, wherein the base is formed by arranging wiring units in rows. The wiring unit comprises a first shell and a first conductor, and the first conductor is provided with an input port, a short circuit interface, a test interface and a conductive column. The plugging terminal comprises a second shell and a plugging unit, a mounting cavity is formed in the second shell, first positioning grooves are formed in the mounting cavity, and the first positioning grooves are arranged in a staggered mode. The plugging unit comprises a third shell and a second conductor, the second conductor is provided with an output port and a plugging port, the third shell is matched with the mounting cavity and is provided with a first positioning block matched with the first positioning groove, and the plugging unit is plugged in the corresponding mounting cavity through the third shell. The tripping and closing loop wiring terminal has the advantages that later maintenance and replacement are easy and convenient, short-circuit operation and test operation are easy and convenient, the number of output ports can be adjusted in an expansible mode according to the number of output devices of different types, plugging and pulling are easy, and wiring errors cannot be caused.

The invention relates to an integrated switch device and a processing technology. The integrated switch device comprises a pole, a moving contact assembly, a power taking power supply high-voltage plugging part, a vacuum switch assembly, a wire inlet side voltage sensor, a wire outlet conductive rod, a wire outlet side voltage sensor and an isolation switch assembly. The pole comprises a mounting cavity and a pressure injection packaging part; the moving contact assembly is detachably mounted in the mounting cavity; the electricity taking power supply high-voltage plugging part is packaged in the pressure injection packaging part; the vacuum switch assembly comprises an arc extinguish chamber and a vacuum switch control part, and the arc extinguish chamber is packaged in the pressure injection packaging part; the outgoing line conductive rod is packaged in the pressure injection packaging part, the outgoing line conductive rod comprises a first conductive end and a second conductive end, and the first conductive end extends into the mounting cavity and is electrically connected with the outgoing line side voltage sensor; and the second conductive end protrudes out of the pressure injection packaging part and is used for being connected with an external cable, and the electric connector has the advantages of being convenient to construct and install, high in use safety, better in installation effect and longer in service life.

The invention discloses a differential pressure type static force level gauge which comprises a liquid storage cavity and a circuit cavity which are fixedly connected, a through hole is formed between the liquid storage cavity and the circuit cavity, and a circuit unit is arranged in the through hole. The system is characterized in that the circuit unit comprises an MCU module, and a temperature sensor module, a reference power supply module, a data storage chip, a POWERBUS communication module and a pressure sensor which are electrically connected with the MCU module; the number of parts of the static leveling instrument is greatly reduced, the complexity of the parts is greatly simplified, the structure is simple, and the manufacturing cost is low; the device has the advantages of low requirements on use sites, wide application range, high safety, simplicity in operation and high flexibility. The invention further discloses a liquid level correction algorithm which comprises the following steps: S1, collecting data; s2, filtering out a fluctuation value of the liquid level difference value; s3, constructing a relation model of the liquid level error and the temperature difference; s4, liquid level difference correction is carried out; according to the data obtained by the method, the measurement accuracy is improved.

The invention discloses a power plant carbon emission metering device, and relates to the technical field of power plant carbon emission metering, the power plant carbon emission metering device comprises an electric carbon meter, the two sides of the electric carbon meter are provided with chutes, the rear wall of the electric carbon meter is provided with a wire holder, the interiors of the chutes are fixedly connected with fixed blocks, and the fixed blocks are sleeved with one end of a first transmission shaft in a rotating sleeve mode; the device has the advantages that all external circuits can be synchronously fixed, the external circuits do not need to be screwed and fastened one by one, time and labor are saved, wiring errors in the connecting process are avoided, the external circuits can be fastened after being completely accurate, meanwhile, instrument buckles do not need to be used, loss is avoided, installation is facilitated, and the device is convenient to use. Meanwhile, the size of the opening in the power distribution cabinet does not need to be too accurate, an adjusting space within a certain range can exist, the shaking electric carbon meter does not affect fixation, fastening of the electric carbon meter and fastening of the external circuit can be carried out at the same time, distributed operation is not needed, and the installation efficiency is further improved.