38 results about "Multiway switching" patented technology

A device comprises a switch circuit and control lines. The switch circuit comprises a plurality of signal input / output ports, and a plurality of switch nodes, each switch node comprising a superconducting loop which comprises a plurality of Josephson junctions arranged in a ring configuration. The control lines are configured to selectively apply flux bias control signals to the switch nodes. The plurality of switch nodes is arranged to selectively configure a signal routing path between any pairwise combination of signal input / output ports of the plurality of signal input / output ports, in response to flux bias control signals selectively applied to the switch nodes.

The utility model discloses a WIFI multi-way switch convenient to splice, which comprises a middle shell, the left side and the right side of the middle shell are respectively provided with a left shell and a right shell, the front side of the middle shell is provided with a left cover plate and a right cover plate, upper positioning rods are arranged above one side of the middle shell and one side of the left shell, lower positioning holes are arranged below one side of the middle shell and one side of the left shell, and the left cover plate and the right cover plate are arranged in the middle shell. Insertion rods are integrally formed on the middle shell and the left shell, insertion holes matched with the insertion rods are formed in the middle shell and the right shell, rear clamping blocks are arranged on the rear side wall of the middle shell and the rear side wall of the left shell, and rear clamping grooves matched with the rear clamping blocks are formed in the rear side wall of the middle shell and the rear side wall of the right shell. According to the utility model, any number of middle shells can be spliced according to use requirements, the adaptability is good, rivets or screws are not needed for connection, the splicing steps are very simple and convenient, and the splicing efficiency is greatly improved.

The embodiment of the application provides a kind of multi-path switching power supply and electronic equipment, the multi-path switching power supply includes controller and multiple switching circuits, each switching circuit is connected with controller respectively and each switching circuit is adjacently arranged, wherein controller is used to control the current loop of at least two switching circuits respectively keeps opposite.It can be understood that, when multi-path switching power supply works, there are at least two or more switching circuits working simultaneously, and the current loop of at least two switching circuits is opposite, according to Ampere rule, the magnetic field direction generated by current loop is opposite, i.e. the magnetic field direction generated by at least two switching circuits is opposite, and since each switching circuit is adjacently arranged, the magnetic field generated by at least two switching circuits can weaken each other even cancel out, i.e. the magnetic field generated by multi-path switching power supply is weakened, so the electromagnetic interference generated by multi-path switching power supply is improved.

The invention relates to the technical field of pulse power, in particular to a time sequence synchronous trigger control method for a multi-path pulse switch of an LTD module, which comprises the following steps: S01, measuring the inherent delay time of each discharge branch in the LTD module from trigger signal input to gas switch conduction; and S02, inputting the measured inherent delay time value of each branch into a pulse time sequence controller as a compensation parameter, and setting the delay time of each output channel of the pulse time sequence controller. Through system calibration and programmable delay compensation of the pulse time sequence controller, in combination with high-precision time sequence control of the FPGA, the multi-way switch conduction time deviation can be controlled at the nanosecond level, the energy synthesis efficiency is greatly improved, inductance isolation transmission is achieved through magnetic ring coupling, traditional resistance isolation is replaced, pulse leading edge distortion is avoided, and the energy synthesis efficiency is improved. And meanwhile, high-voltage isolation safety is guaranteed, and trigger signal transmission quality is stable.

The utility model discloses a bidirectional pressing self-generating wireless switch, which comprises a switch base, a button is detachably arranged on the switch base, a magnetic induction assembly is detachably arranged in the switch base, a magnetic assembly is movably arranged on the switch base, and the button is detachably arranged on the switch base. The magnetic induction assembly sleeves the outer side of the magnetic induction assembly, the switch base is provided with a PCB emission module placing area, the PCB emission module placing area is detachably provided with a PCB emission module, the PCB emission module 4 is arranged above the magnetic assembly, and the magnetic induction assembly, the magnetic assembly and the PCB emission module form a switch module. The switch modules realize bidirectional pressing operation under the action of the keys to form a self-power-generation wireless switch, the self-power-generation wireless switch comprises 1-3 keys to form a single-path or multi-path switch structure, and each key corresponds to a group of independent switch modules.

The utility model relates to multi -way input equipment technical field especially relates to a miniaturization multi -way filter circuit, including multi -way filter integrated module, multi -way switch module, switch control module, voltage sampling module and single computer piece, the multi -way filter integrated module is connected through multi -way switch module and inputs the interface, switch control module is connected with multi -way switch module, is used for controlling the switch of a certain road in multi -way switch module opens, voltage sampling module inputs the interface, is used for sampling the input voltage of each road, single computer piece is connected with switch control module and voltage sampling module respectively, is used for according to voltage sampling module's input voltage control switch control module that samples, the utility model provides a circuit design simple, size miniaturization, and cost minimization's miniaturization multi -way filter circuit.

This invention discloses a switching circuit and a multi-channel switching circuit. The switching circuit includes first to fifth switching modules, each comprising a control element and a switch group. The control element includes first and second control terminals, and the switch group includes a first terminal and a second terminal. The first and second control terminals are connected to control signals from the switching modules. The second terminal of the first switching module is connected to the first terminal of the second and third switching modules, and the second terminal of the second switching module is connected to the first terminals of the fourth and fifth switching modules. The first terminal of the first switching module is connected to a first main signal Va, and the second terminal of the fourth switching module is connected to a second main signal Vb. When the switching circuit is on, Va and Vb are equal. The second terminal of the third switching module is connected to a first protection signal, and the first terminal of the fifth switching module is connected to a second protection signal. The first protection signal is equal to Va, and the second protection signal is equal to Vb. This reduces leakage current in the switching circuit.

The invention discloses a matrix type multi-way switch which comprises a plurality of circuits distributed in a crossed mode, a circuit switch is arranged at each crossed point, and when the circuit switches at the crossed points are adjusted to be turned on or turned off, input ends and output ends can be connected at will, so that multi-pin contacts of each switch can be switched on or off through simple on-off operation. Connection switching between a plurality of input ends and a plurality of output ends is achieved, the circulation path of large current can be changed without complex circuit disassembly and assembly, loop switching is achieved, the problems of circuit abrasion, poor contact and the like caused by frequent disassembly and circuit reconnection in a traditional mode are solved, and the service life of the circuit is prolonged; meanwhile, the probability of circuit connection errors is reduced, the accuracy of circuit connection is improved, and then the stability of operation of the secondary circuit is guaranteed.

The oven comprises an oven body, a power panel and a water tank, an oven door is hinged to the surface of the oven body, an instrument panel is arranged at the top of the front end of the oven body, the power panel is arranged in the oven body, and a multi-way switch is arranged in the oven body and located on the instrument panel. A liquid expansion type temperature controller is arranged on the instrument panel and located on one side of the multi-way switch, the water tank is arranged in the oven, one end of the water tank is connected with a water conveying pipe, the water conveying pipe is provided with an electromagnetic valve, water is added in a directional gear mode, water can be injected only at a specific gear, mistaken water injection can be effectively avoided, and interference to normal operation of the oven is reduced. The water injection rate can be controlled according to a specific program, when the adjusting knob is rotated to a specified gear, the power panel receives a signal and activates a water injection key on the display operation panel, precise control is achieved, the electromagnetic valve is controlled by using a direct current (DC) 12V direct current, voltage is reduced from the source, and even in a humid environment or when a water path breaks down, the safety of a user can be guaranteed, and the user can use the water injection device at ease.

The present invention discloses a multiplex switch panel assembly and a method of installing the same. The multiplex switch panel assembly includes a plurality of front panel mounts and pushbutton switches. A printed circuit board (PCB) electrically connected to the plurality of front panel mounts pushbutton switches. A set of split mounting rings for each switch, configured to be installed around a respective switch on a front side of a panel after the assembly is inserted from a rear side of the panel, thereby preventing the switches from passing back through holes in the panel. A set of tensioning devices configured to secure the multiplex switch panel assembly in place from the rear side of the panel.

The present invention relates to a steel ball spring assembly mechanism for a multi-way switch and a production line thereof. Automatic assembly of steel balls and springs to an assembly body is achieved through a positioning jig, a pre-assembly device, a connecting channel, a first feeding device, a second feeding device, a third feeding device, a first pushing device, a second pushing device, a third pushing device, and a fourth pushing device, thereby greatly improving production efficiency and ensuring assembly quality. Full-process automated operation of the multi-way switch is then achieved, greatly improving production efficiency and production quality of the multi-way switch.

The invention belongs to the technical field of insulation detection of railway signal power supply panels, and relates to a railway power supply panel insulation detection device and method based on resistance voltage division. The output end of the program-controlled adjustable power supply module is connected to a power supply bus of a power supply screen; the power supply bus is electrically connected with each power supply module; the multi-way switch matrix module comprises (2n + 1) programmed switches from K0 to K2n; the resistor module comprises a plurality of resistors which are connected in series with each power supply loop and is used for converting the leakage current into a voltage division signal; the signal acquisition module is connected in parallel with the detection resistor module and is used for acquiring a voltage division signal; and the logic control and detection module is used for setting the output voltage of the program-controlled adjustable power supply module, controlling the on-off of the program-controlled switch, obtaining a partial voltage value based on the partial voltage signal and outputting a detection result. The insulation state of the power supply screen equipment or the power supply loop can be detected in real time, and the safety and reliability of a railway power supply system are ensured.

The present invention discloses a switch control electrical box and a power distribution method. The switch control electrical box includes a housing, and a conductive strip for centrally supplying power to each MOS transistor is embedded on the circuit board in the housing. Therefore, each MOS transistor serving as a switch inside the switch control electrical box can be installed on the circuit board relatively compactly, so that while the switch control electrical box has a multi-way switch control circuit, its volume is very small. When used in electrical equipment such as vehicles, it occupies little space and is more flexible to install. Since the power distribution method in the present invention is to supply power centrally through the conductive strip, the heat generation of the switch control electrical box is mainly concentrated on the conductive strip. By providing a conductive strip heat dissipation plate on one side of the housing, most of the heat generated by the switch control electrical box can be dissipated in time, and the conductive strip is erected by ribs on the conductive strip heat dissipation plate, which is more conducive to heat dissipation, prevents failures due to overheating during use, and extends the service life.

The invention belongs to the technical field of electrical equipment performance detection, and particularly relates to a multi-switching-value signal synchronous acquisition and linear conditioning method and system. Comprising a switching value detection circuit, a controller and a digital-to-analog conversion circuit. The controller adopts a single chip microcomputer to detect the switching value state output by the multi-path switching value detection circuit, the controller outputs a control signal to control an output voltage signal of the digital-to-analog conversion circuit according to the detected switching value signal state, and the output voltage signal of the digital-to-analog conversion circuit corresponds to the signal state of the input switching value group; the controller also outputs a PWM pulse signal to drive the switching value detection circuit to work; and the switching value loop collects a switching value signal of the tested equipment. The system has the advantages that multiple paths of switching value signals can be synchronously acquired, and the logic relation between the real-time state of multiple paths of switching values and the switching values is mastered; collected switching value signals can be compatible with dry nodes and wet nodes, the wet nodes can be compatible with alternating-current and direct-current voltages, and off-line and on-line detection requirements are met.

Provided is a multi-switch for a vehicle, which generates an input signal when a user applies pressure in the forward, backward, leftward, rightward, upward, and downward directions through a touch panel that is coupled to the top surface of a fixed housing so as to be movable in the forward, backward, left, right, upward, and downward directions, and which generates feedback for the user's forward, backward, leftward, rightward, upward, and downward inputs through a vibration unit provided in the touch panel, wherein the feedback is transmitted to a printed circuit board of the housing through an elastic member that provides the same restoring force with respect to the user's forward, backward, leftward, rightward, upward, and downward inputs, thus enabling prevention of a reduction in the lifespan of an electronic element. To this end, the multi-switch for a vehicle, according to an embodiment of the present invention, comprises: a housing in which a printed circuit board is installed; a touchpad that is movably installed on above the housing and senses a user's input; an elastic member disposed between the housing and the touchpad to prevent transmission of vibration; and a sensor that is installed on the printed circuit board and senses movement of the touchpad.

System and method for distributing electric power from a multi-phasic power source to electronic devices, the electric power being carried by a plurality of phases. The method comprises distributing, via a plurality of multi-way switching devices, electric power from the power source to a plurality of electronic devices, each multi-way switching device corresponding to a given electronic device and being configured to distribute a present phase thereto, accessing information about power consumption of the electronic devices, determining, based on said information, a present degree of electrical imbalance of the power source, and in response to the present degree of electrical imbalance being greater than a threshold, executing a load balancing routine including determining an adjusted phase to be distributed to at least one of the electronic devices and causing the at least one multi-way switching device to switch to an adjusted switching state.

Described herein is a cascade circuit comprising a controller configured to provide a set of control signals each having a high or low level value, and having a data port, and at least two multiplexers. And at least two multiplexers in a cascade arrangement electrically connected to the controller, respectively, each multiplexer including: a plurality of transmission pins configured to transmit a plurality of transmission signals communicated to the outside, respectively; and an output pin in communication with the data port, the plurality of transfer pins being respectively coupled to the output pin via a multi-way switching element. The respective output pins of the at least two multiplexers are collectively electrically connected to the data port, and signal communication with the data port of the controller is switched between the respective output pins of the at least two multiplexers.

This invention discloses a pull-up quick-acting structure for a micro switch assembly. The micro switch assembly pull-up quick-acting structure includes: a support, a sliding washer, a support frame, a quick-jump spring support rod, a press-pull quick-jump spring, a quick-jump spring pressing rod, a micro switch assembly, and a pull rod. The beneficial effects of this invention are: by compressing and storing energy through the press-pull quick-jump spring and then triggering it in the opposite direction, the support is able to move quickly, effectively improving the switching speed of multi-pole switches and solving the problem of poor consistency in the switching action of multi-way switches. Simultaneously, the return spring and quick-jump assembly provide the product with good operating feel and feedback.

The invention discloses a safety calibration tool for electrical safety detection equipment of a new energy automobile, which comprises a connector panel, a function switching panel and a metering standard device, and is characterized in that the connector panel is connected with the electrical safety detection equipment of the new energy automobile and comprises a national standard direct current charging socket, a national standard alternating current charging socket and a potential test connector; the function switching panel comprises a multi-way switch, the metering standard device comprises a voltmeter, a high-voltage high-value resistor, an ampere meter and a direct-current standard resistor, one end of the switch is connected with the national standard direct-current charging socket, the national standard alternating-current charging socket and the potential test connector, and the other end of the switch is connected with the high-voltage high-value resistor and the direct-current standard resistor; one-time stable connection is achieved through the special connector panel, current leakage and internal resistance abnormity caused by poor contact are avoided, and calibration errors are reduced in combination with the metering standard device; the connection interface does not need to be plugged and adjusted for many times, and different calibration items can be switched through switching operation of the function switching panel.

The utility model relates to a marine multi-way switching value alarm device, which comprises a panel, a cover plate, a mainboard assembly and a back plate which are sequentially distributed from front to back, the cover plate is provided with a stud and a mounting hole, the mainboard assembly comprises a circuit board and a line bank electrically connected to the back surface of the circuit board, and the line bank is connected with the back surface of the circuit board. The indicating lamp, the electronic button and the buzzer are electrically connected to the front face of the circuit board, and the connector bar is sequentially provided with an input end used for being externally connected with an alarm signal, a communication end used for being externally connected with the extension board, an output end used for controlling the indicating lamp and the buzzer to work and a power source end used for being externally connected with a power source. The cabin multi-area alarm device is mainly embedded in a cabinet body for use, has eight switching value detection input ends, can detect various switching value signal states on a ship, generates sound-light alarm of the corresponding state through the output end, and sends alarm information to an extension board through an RS485 communication protocol through the communication end, thereby realizing simultaneous alarm of multiple areas of a cabin.

The invention discloses a multi-path switching value detection method with strong interference resistance, and relates to the technical field of low-voltage motor control, and the method comprises the steps: connecting an external control switch through a first DC power supply, and after the switch is closed, controlling a current to flow through a two-stage RC low-pass filter, and inputting the current to an optical coupler isolation circuit; the input end of the optocoupler is connected in parallel with a transient voltage suppression diode to suppress high-frequency interference; after the optocoupler is conducted, a second direct-current voltage signal is introduced into the microcontroller through the electronic switch module; the microcontroller continuously samples a signal at a high frequency, a sampling value is processed by a third-order Butterworth digital low-pass filter and a sliding window mean filtering algorithm, and a voltage effective value is obtained through calculation; the voltage effective value is compared with an environment noise real-time calibration threshold value, so that the switch state can be accurately acquired; the circuit required by the method is simple in structure, high in adaptability and high in anti-interference capability; the problem of accurate signal acquisition of common-cable or common-slot wiring of the control line and the power line in the prior art is solved.

The application discloses a multi-path signal belly switch and belongs to the technical field of switch equipment. The multi-path signal belly switch comprises a shell assembly, a belly switch and a guide groove. The shell assembly is provided with the guide groove on one side. The belly switch is movably assembled at one end of the shell assembly. A transmission member is slidably assembled in the guide groove, and the other end of the transmission member is provided with an abutting plate. An angular shell is fixedly assembled at one end of the shell assembly and is arranged close to the side away from the belly switch. The angular shell is internally fixedly provided with a positioning column. The angular shell is externally provided with a ring buckle. A plurality of single-path switches are parallelly assembled in the angular shell. The carrier assembly assembled on one side of the shell assembly can fixedly connect a plurality of groups of single-path switches. The use of the multi-path switch can avoid the failure of the single-path switch. Compared with the traditional bolt locking mode, the use of the carrier assembly improves the convenience of disassembly and assembly and improves the structural strength on the other hand, and has excellent practical value.

This invention discloses a switching circuit, a composite switching circuit, and a multi-channel switching circuit. The switching circuit includes a switching module, which includes a control element and a switching group. The control element includes a first control terminal and a second control terminal, and the switching group includes a first terminal and a second terminal. When the first control terminal is connected to a first floating power signal and the second control terminal is connected to a second floating power signal, a first main signal is input from the first terminal of the switching group. The switching group transmits the first main signal to the second terminal of the switching group to obtain a second main signal, and the voltage of the first main signal is equal to the voltage of the second main signal. The first and second floating power signals are symmetrical about the first main signal, and the voltage of the floating reference ground signal is equal to the voltage of the first main signal. When both the first and second control terminals of the control element are connected to the floating reference ground signal, the switching group is disconnected, causing the switching module to disconnect. This reduces leakage current in the switching circuit.

The invention discloses an electric channeling detection device and method. In the electric channeling detection device, a central control module is respectively connected with a power supply module for detection, a rectification and voltage regulation module and a multi-way switch module; the multi-way switch module, the voltage detection module and the multi-detection channel module are connected in sequence; the multi-detection channel module is provided with an alternating current detection channel and a direct current detection channel; the voltage detection module is provided with an AC voltage detection circuit and a DC voltage detection circuit. The power supply module for detection is connected with the rectification and voltage regulation module; and the central control module is used for controlling the output of the power supply module for detection, controlling the output of the rectification and voltage regulation module, controlling the on-off of the multi-way switch module and judging whether electric channeling exists between the alternating current loop and / or the direct current loop. According to the invention, electricity channeling detection requirements of a loop needing to be tested can be met through one-time wiring.

The utility model discloses a rail transit power supply cable high-low traveling wave measurement system, and relates to the field of traveling wave measurement. According to the utility model, the current transformer with two characteristics of high precision and strong saturation resistance is configured, the multi-way switch is combined to realize intelligent switching of measurement channels, the FIFO memory is utilized to carry out data buffer storage, and the parallel comparator is adopted to realize real-time threshold judgment. When the impact current is detected, the DSP controller rapidly switches the measurement channels and completes data splicing, thereby effectively solving the problem that a single sensor cannot give consideration to both precision and anti-saturation capability.

The present invention provides a multi-switch for a vehicle, which receives a user's input in various operations to enable more convenient function control input relative to the space, and is not exposed to the outside when not in use, thereby improving esthetics. To this end, the multi-switch comprises: a first housing having a space formed therein and having an open upper surface; a first printed circuit board accommodated in a lower portion of the inner space of the first housing; a cover covering the open upper surface of the first housing and having a groove concavely recessed into the inner space in a central portion thereof; and an input unit accommodated in the groove of the cover. Here, the input unit includes: a second housing; a second holder fixed to the second housing; a first slider sliding in one direction with respect to the second holder; a second slider sliding in a direction orthogonal to the one direction with respect to the first slider; and a knob fixed to the second slider, and thus a sliding input of the input unit can be received in multiple directions.

The invention discloses a rail transit power supply cable fault positioning analysis method, and belongs to the technical field of fault detection of rail transit power supply systems. According to the method, a traveling wave monitoring device is arranged on a mixed line, fault traveling wave data are collected in real time, and accurate positioning is achieved by combining the time difference of arrival of double-end traveling waves with a fault distance measurement formula. According to the device, double Rogowski coil mutual inductors are adopted for cooperative work, seamless splicing of measurement signals and fault signals is achieved through switching of a multi-way switch, FIFO data caching and a DSP control module, and the measurement precision and the anti-saturation capacity are effectively considered. Meanwhile, a fault feature database is constructed based on historical traveling wave data, a fault prediction model is established through machine learning algorithms such as a neural network, and fault type judgment and hidden danger early warning are achieved. The problem of positioning deviation caused by mismatching of traveling wave propagation characteristics of the mixed line is solved, and the operation and maintenance efficiency and reliability of a rail transit power supply system are remarkably improved.

The invention relates to a multi-way switch temperature and humidity detection method based on sensing structure sensitivity difference. The method comprises a DFB narrow-band laser and the following steps: connecting the DFB narrow-band laser with an optical switch through an optical fiber circulator; the optical switch is an electric control tunable optical switch, realizes port optical transmission switching through a driving circuit, and is controlled by the embedded development board through a programmable program; each channel of the optical switch performs cascade connection on the double-cone temperature sensor, the FP temperature sensor and the PVA double-cone humidity sensor; a driving circuit is controlled by an IO port of an embedded development board to open a channel of an optical switch, after collected data is processed through an algorithm and displayed, all sensors are regularly switched, sensing response signals are extracted and processed in a quasi-synchronous mode, and therefore temperature and humidity detection is conducted on the different sensors in sequence. Light intensity demodulation is carried out on different types of optical fiber interferometers through a single loop, and the problem that the optical domain detection cost is high is solved.

The application discloses a driving system and a driving method of an indicating lamp. The system comprises a multi-way switch, one end of which is connected with an I / O interface of a controller and is used for controlling the closing or opening of a plurality of switches in the multi-way switch according to control information of the controller; and an indicating lamp driving unit, which comprises a plurality of driving circuits, a first end of each driving circuit being connected with a switch in the multi-way switch respectively, and a second end of each driving circuit being connected with a plurality of indicating lamps respectively, the indicating lamp driving unit being used for driving the plurality of indicating lamps to light up through the plurality of driving circuits according to the combination of the closing or opening states of the plurality of switches in the multi-way switch. More indicating lamps can be driven through one I / O interface of the controller, and the cost of the controller is reduced under the premise of ensuring the function of the indicating lamp.