58 results about "Load control switch" patented technology

Disclosed is an equalizing-charge charger includes a microprocessor, a pulse width modulator, battery cells, and equalizing charge load-control switches corresponding to the battery cells. When voltage sensors of the microprocessor detected the saturated status of one battery cell during charging mode, the microprocessor controls the pulse width modulator to stop the charging action and counts the voltage value of each battery cell to find the battery cell having the lowest voltage value, and then switches on the equalizing charge load-control switch corresponding to the saturated battery cell to discharge the saturated battery cell to the voltage value equal to the battery cell having the lowest voltage value, and then starts the pulse width modulator to charge the battery cells again, and then repeats the procedure again and again until the voltage value of the battery cells has been equalized and battery cells have been charged to saturated status.

This invention relates to a transformer intelligent operation device and its usage characterizing comprising a parameter collection circuit, site test circuit, a process control circuit, a display and alarm circuit, a communication circuit, a protection circuit a storage circuit and a power supply circuit, in which, the output ends of the collection circuit and the site test circuit are connected with the input end of the control circuit, input ends of the display and alarm circuit, communication circuit and protection circuit are connected with the output end of the control circuit, output end of the communication can transmit signals via wire or wireless networks, the control ends of the load control switch or accessories of the transformer.

The invention discloses a minitype intelligent bidirectional self-adaptation grid-connected photovoltaic power generation system, which comprises a photovoltaic battery board matrix and a confluence box, wherein the output end of the output end of the confluence box is connected with a storage battery controller, an inversion/rectification integrated converter and a direct-current load control switch; the storage battery controller and the direct-current load control switch are connected with a storage battery set and a local direct-current load; the output end of a converter is connected with an alternating-current load control switch and an grid-connected controller; the output end of the alternating-current load control switch is connected with a local alternating-current load; each output end is connected with a conversion module; a voltage and current sampling conversion module is connected with a signal modulation circuit; the output end of a signal modulation circuit is connected with a DSP (digital signal processor); and each control end is connected with a PWM (pulse width modulation) interface. A control method of the minitype intelligent bidirectional self-adaptation grid-connected photovoltaic power generation system comprises parameter preparation control, power generation and power supply control. The system and the method have the advantages of good reliability, convenience in installation, operation and maintenance, high stability, strong adaptivity and high solar energy utilization ratio.

The invention discloses a combined permanent-magnetic mechanism voltage/capacity adjusting switch which comprises two groups of permanent-magnetic mechanism voltage adjusting switches, one group of permanent-magnetic mechanism capacity adjusting switches, one group of bar-shaped direct-acting low-voltage permanent-magnetic vacuum load switches and a bottom plate, wherein the permanent-magnetic mechanism voltage adjusting switches and the permanent-magnetic mechanism capacity adjusting switches both comprise a permanent-magnetic operation mechanism and a disk-shaped switch; the permanent-magnetic operation mechanism is arranged above the bottom plate; the disk-shaped switch is arranged below the bottom plate; one end of the permanent-magnetic operation mechanism is connected with the disk-shaped switch, and the other end is connected with a travel control switch; and the bar-shaped direct-acting low-voltage permanent-magnetic vacuum load switch is fixed above the bottom plate. In the invention, as a voltage adjusting switch, a capacity adjusting switch and a low-voltage load control switch are combined, the volume is remarkably reduced, the occupied space is reduced, external linesare simplified, the cost of an automatic voltage/capacity adjusting distribution transformer is lowered, and the upgrading and transformation of a common distribution transformer are greatly facilitated.

The invention relates to a double-control switch which comprises a single-pole double-throw switch and a relay. The single-pole double-throw switch is parallelly connected with the relay, and then an assembly obtained through parallelly connecting the single-pole double-throw switch and the relay is serially connected with a circuit which requires controlling, thereby realizing manual control, remote control or automatic control for electrical equipment. According to the double-control switch, the relay is connected with the common single-pole double-throw switch through a PCB; a relay coil is leaded out of a port; a universal electrical control interface is connected with a plurality of microcontroller units (MUCs); and wired connection or wireless connection with the switch can be realized. The double-control switch aims to settle a defect that an existing WiFi switch cannot realize an intelligent reconstruction solution for a whole household and related defects of incapability of realizing grid-connected remote and automatic control by a common wall switch, etc. Furthermore the double-control switch prevents problems of an accident caused by incapability of controlling the electrical equipment by an existing wireless switch in network failure, etc.

The invention provides an automatic capacity regulating distribution transformer and a capacity regulating method thereof. The distribution transformer comprises a transformer core, a capacity regulating switch, a load control switch and a comprehensive monitoring controller, and further comprises a transformer casing, wherein the capacity regulating switch and the load control switch are integrally designed and are suspended inside the transformer casing to be connected with the transformer core, the comprehensive monitoring controller is suspended out of the transformer casing, and is connected with the capacity regulating switch through a cable. The capacity regulating switch is composed of a permanent magnet operation mechanism and a disc-shaped switch, a fixed contact of the disc-shaped switch is connected with high and low voltage windings of the transformer core respectively, transformation of the low voltage winding is completed before the high voltage winding because the separated distances of a moving contact relative to the fixed contact are different during capacity regulating, so that currents born by a low voltage contact are reduced greatly, and ablation degree of the contact is alleviated; the comprehensive monitoring controller controls action sequences of a capacity adjusting negative control switch based on the action characteristics of the capacity regulating switch and the load control switch, capacity regulating is completed in an on-off period of the load control switch, and capacity changing time is shortened to be within 20ms.

The invention relates to an intelligent socket, which can provide and disconnect a power supply in timing. The intelligent socket comprises a socket upper cover, a lower cover, a power switch, a power indicating lamp, a plug hole, a power supply lead-in hole and a circuit board. The invention is characterized in that a meter which can supply electricity in timing and can disconnect electricity in timing is mounted in the socket, the observation surface of the meter is on the upper cover, a knob which can adjust time is mounted on the upper cover, and a cycle control switch which controls a meter to work in circulating or not to work in circulating, and a control circuit is mounted on the circuit board. The invention has the advantages of low production cost, simple operation, security and reliability, which can be applied on electric appliances such as electric cookers, electric mattresses, electric heating, chargers, hot fasters and other electrical equipment and occasions which are required to supply and disconnect electricity in timing.

The invention provides a safe and energy-saving voltage-dividing and electricity-borrowing switch, which is composed of a starting switch AN, a controlled switch K, a voltage-dividing and electricity-borrowing circuit RJ and a switch control circuit K; the voltage-dividing and electricity-borrowing circuit RJ and the controlled switch K are connected with a load RL in series; the voltage-dividing and electricity-borrowing circuit RJ is further connected with the switch control circuit K in parallel, thus ensuring the controlled switch K to get the electricity to be closed during the work of the load RL and lose the electricity to be cut off during the standby. The voltage-dividing and electricity-borrowing switch effectively solves the problems of standby energy conservation of the existing computer and television, at the same time, the voltage-dividing and electricity-borrowing switch provides the switch control (module) circuit for standby with a source, voltage division and electricity (power) borrowing which can replace the standby function of a main machine, so the voltage-dividing and electricity-borrowing switch can be taken as a reference for the development of the products which are more safe and energy-saving by combining with the requirements of the electrical technology of the products. The voltage-dividing and electricity-borrowing switch further has the advantages of simple circuit, low cost and so on.

The invention relates to an intelligent three-place control switch. The switch comprises a control loop and a control device for switching on or off the control loop, wherein the control loop is formed by sequentially connecting a power module, a first single-gang two-way switch, an on/off execution mechanism, a single-gang three-way switch, a second single-gang two-way switch and a control object; the control device comprises a WIFI upper computer for emitting on/off signals, a WIFI wireless module for receiving and transmitting the on/off signals as well as a single-chip microcomputer for reading the on/off signals and sending out corresponding on/off instructions, and the single-chip microcomputer and the on/off execution mechanism for executing the on/off instructions are connected mutually; the power module is also used for supplying power to the WIFI wireless module, the single-chip microcomputer and the on/off execution mechanism respectively. According to the control switch, on-off actions of the first single-gang two-way switch, the on/off execution mechanism, the single-gang three-way switch and the second single-gang two-way switch can control switching on and off of a power supply, and the operation range of a traditional three-place switch control loop can be enlarged.

The invention discloses a nonporous electronic control security door fault-tolerant control system. The nonporous electronic control security door fault-tolerant control system adopts a dual fault-tolerant system structure, wherein a processing unit is formed by receiving control modules, data of the two control modules is from a signal received by a receiver, a manual control switch on a door can control the two modules, and the two modules can detect the state of a door switch; the two modules comprise one main module and a slave module; when the two modules receive a signal sent by a transmitter, the processing unit operates the control algorithm to obtain a result, the result of the main control module is only output to a control motor through a crossbar switch to control the door switch; when the main control module has a fault, the system can switch the slave module to the main module, the fault can be switched rapidly, no any task immigration is required, no data loss is caused during task relaying, the real-time performance of the system is ensured and the usability and the reliability of the system are improved.

The battery saver includes a charge pump connected to a control switch to provide a time-hysteretic threshold feature wherein it takes a longer, elapsed time threshold to activate the control switch than it does to deactivate the control switch. Control switch output is connected to a main switch wherein activation of the control switch opens the main switch to de-energize a battery-powered device's battery circuit. Control switch deactivation closes the main switch, which energizes the battery circuit of the battery-powered device. A quick elapsed time threshold allows a vibration sensor, which indicates continuing use of the battery-powered device, to instantaneously deactivate the control switch when vibrations are sensed. When the vibration sensor no longer senses motion in the device, a longer elapsed time threshold is triggered in which the charge pump slowly ramps up current to activate the control switch to turn the battery-operated device off.

The invention discloses an electric energy meter with a built-in virtual load. The electric energy meter comprises an electric energy meter shell, a virtual load circuit, a measuring circuit and a control unit. The electric energy meter shell is provided with a fire wire inlet port, a fire wire outlet port, a zero wire inlet port, a zero wire outlet port and a display screen. The virtual load circuit, the measuring circuit and the control unit are installed in the electric energy meter shell. The control unit is connected with the display screen arranged on the electric energy meter shell through control. The fire wire inlet port, the fire wire outlet port, the zero wire inlet port and the zero wire outlet port are connected with the signal input end of the measuring circuit through leads. The signal output end of the measuring circuit is connected with the control unit. The virtual load circuit comprises a current transformer, a resistor and a control switch. The virtual load circuit is directly arranged in the electric energy meter, and the control switch is pressed according to the requirements in testing so that operation is easy, safe and convenient, and normal and accurate testing can be performed under the condition of low user electricity utilization and even no electricity utilization.

The invention discloses a power suit for children, comprising motor splicing building blocks and a remote control. The motor splicing building blocks include a splicing base, a button, a building block battery cover, a building block motor rear casing, a building block motor front casing, a digital display screen, and a motor power supply. Switch, motor frequency band selection button, rotating motor, LED light, the remote control includes remote control body, direction rocker, speed rocker, digital display, speed indicator light, frequency indicator light, remote control frequency band selection button, remote control Switch, battery cover, booster protector, voice player; the invention has the advantages of simple structure, convenient operation, deep development of children's intelligence and hands-on ability, and suitable for children of different ages.

The invention discloses a microgrid system. The microgrid system comprises a cable bus, a municipal power main power, a new energy power generation system, an energy storage system, a load system, a main control switch, a load control switch and an energy storage control switch, wherein the cable bus is respectively connected with the municipal power main power, the new energy power generation system, the energy storage system and the load system in parallel, the municipal power main power is connected with the cable bus by virtue of the main control switch, the energy storage system is connected with the cable bus by virtue of the energy storage control switch, and the load control switch is connected with the cable bus in parallel. The energy system is arranged by using an energy storage technology, so that the power fluctuation can be balanced and inhibited, the stability of the power supply frequency can be maintained; and when the internal voltage of a power grid fluctuates, the energy storage system can also provide reactive compensation so as to maintain the stability of the voltage, the electric energy quality in the microgrid is improved, and the microgrid system has a popularization and application value.

The invention discloses a load control switching device of an emergency power supply vehicle. The load control switching device solves the problem that when an existing generator set outputs electric energy, a control switch does not exist. The load control switching device is characterized by comprising a switching cabinet, an electric leakage breaker, three current mutual inductors, an electric energy meter, an incoming wire cable and an outgoing wire cable. The incoming wire cable is connected with an incoming wire cable wiring terminal on the upper portion of the electric leakage breaker through the current mutual inductors, the outgoing wire cable is connected with an outgoing wire cable wiring terminal on the lower portion of the electric leakage breaker, and the current mutual inductors are further connected with the electric energy meter. The load control switching device is movable, when not used, the load control switching device can be stored in the power supply vehicle, cut-in or quit of loads of a client terminal can be effectively controlled according to the site conditions, the phenomenon that when an electric generator is cold and parts are not fully lubricated, the parts run with loads is avoided, the electric leakage breaker has the electric leakage short-circuit protection function, when the client terminal is in short circuit or in ground connection, the electric leakage breaker conducts rapid breaking in the first time, the service life of the generator set is prolonged, and in the electric generation, the electric energy meter can provide the real and accurate electric energy data.

The invention discloses a ground jack operating control device of a wheel type engineering machinery chassis which is used for outputting switching signals to an operational controller and comprises acontrol box and cables, wherein, the control box is provided with a control switch which is used for controlling the operation of the ground jack; switching signals are output when the control switchis operated; and the cables are used for outputting the switching signals from the control box to the operational controller; optimally, the cables are spring cables in particular. Compared with theprior art, in workplaces with narrow area and complex ground conditions, operators can leave the operational platform and control the operation of the ground jack by holding the control box in hand; and based on the invention, operators can stand at either side of the car body to monitor at real time and can stop the motion of the ground jack by releasing the push button switch on the control boxwhen a danger is discovered, thus improving the safety of operational control of the ground jack.

A load control switch (1) is provided with a terminal module (2) to which electric wires are connected and which is installed on an installation frame established on a wall surface of a building; and a switch module (3) which is detachably mounted to the terminal module (2) and which turns a load on or off. The load control switch (1) is also provided with an operation handle (4) detachably attached to the switch module (3). The switch module (3) may be an electronic switch or a mechanical switch; an electronic switch may additionally be provided with delay function, timer function, a motion sensor, and so on. This makes it possible for a user to freely replace one load control switch with another having different function without electrical work being required.

The invention discloses a thermostatic apparatus of a silkworm nursery, which comprises a casing, a heating device installed in the casing, a reservoir installed above the casing, a control device arranged in the casing, a control switch installed on right surface of the casing, and a power line connected with the control switch, wherein the control device is composed of a microprocessor, as well as a weight sensor, a temperature sensor, a data memory, an amplifying circuit and a wireless communication module which are respectively connected with the microprocessor, the control switch is connected with the control device, and the heating device is connected with the amplifying circuit. The internal temperature of the silkworm nursery can be real-timely monitored by the temperature sensor; when the temperature decreases to a set value, the microprocessor controls the heating device to heat water in the reservoir so as to achieve an ideal value; water flow in the reservoir is detected by the weight sensor; and the wireless communication module is used for sending water feeding message to a user. The thermostatic apparatus has the advantages of being good in heat-insulation effect, saving energy and realizing automatic wireless prompt.

The present invention provides a shared bicycle with self-management of power supply, which includes an electronic lock, a control chip for controlling the opening of the electronic lock, and a power supply module for supplying power to the control chip, wherein the power supply module and the control chip There is a control switch between them. A control switch is set between the control chip and the power module so that the control chip works only when necessary, which can save energy consumption, thereby reducing the requirements for various parameters of the power module, lowering the corresponding device standards, and reducing the cost of shared bicycles.

The invention discloses an electric appliance powering-on control switch based on an IP network. The electric appliance powering-on control switch comprises a power adapter, a master control module and an electricity execution module, wherein the input end of the power adapter is connected with a 220V alternating current circuit, the output end of the power adapter outputs low-voltage direct current to supply electricity to a master control module, the master control module receives control commands through the IP network, processes the control commands and then controls the electricity execution module, the control command are sent by users, and the electricity execution module is connected with the 220V alternating current circuit in series. The electric appliance powering-on control switch is simple in structure, low in power consumption, and low in use cost, allows the users to be capable of remotely controlling powering-on and powering-off of a domestic appliance at any time, avoids meaningless standby power consumption of the domestic appliance, and enhances safe control over the domestic appliance.

The invention discloses a three-phase single-station electric energy meter plug-in which is characterized by comprising an electric meter, a plug-in base, a set of control switches and a signal thimble fixing box, wherein the control switches, the signal thimble fixing box and the electric meter are sequentially arranged on the plug-in base, signal thimbles are disposed on the signal thimble fixing box and are connected with signal lines in a cold pressing mode, the signal lines connected with the signal thimbles are led into line grooves in the plug-in base through the signal thimble fixing box, and the control switches are connected with insertion terminal lines. The three-phase single-station electric energy meter plug-in is simple, convenient and fast in wiring, greatly saves labor, materials and cost, and is high in price performance ratio.