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31results about How to "The voltage signal is stable" patented technology
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Semiconductor memory device having improved voltage transmission path and driving method thereof
ActiveUS20080123386A1Stable voltage signalThe voltage signal is stableSemiconductor/solid-state device detailsSolid-state devicesEngineeringVoltage
Provided are a semiconductor memory device and a method of driving the device which can improve a noise characteristic of a voltage signal supplied to a memory cell of the device. The semiconductor memory device includes a first semiconductor chip and one or more second semiconductor chips stacked on the first chip. The first chip includes an input / output circuit for sending / receiving a voltage signal, a data signal, and a control signal to / from an outside system. The one or more second semiconductor chips each include a memory cell region for storing data. The second semiconductor chips receive at least one signal through one or more signal paths that are formed outside the input / output circuit of the first chip.
Owner:SAMSUNG ELECTRONICS CO LTD
Planar oxygen sensor and method for producing same
ActiveCN102478538AAvoid deformationIncrease binding areaMaterial analysis by electric/magnetic meansOxygen sensorOptoelectronics
The invention provides a planar oxygen sensor, which comprises a heating layer, a reference gas layer and a sensing layer sequentially from bottom to top. The planar oxygen sensor is characterized in that the reference gas layer is provided with through holes, and closed reference cavities are formed at the through holes of the heating layer, the reference gas layer and the sensing layer. The reference gas layer is provided with the through holes, so that the combination area of the reference gas layer with the upper layer and the lower layer is enlarged, and product yield can be increased effectively. In addition, the sensing layer, the reference gas layer and the heating layer are stacked to form the closed reference cavities, so that voltage signals outputted by the planar oxygen sensor are stable.
Owner:BYD CO LTD
A double-input switch power supply
InactiveCN106230262AReduce manufacturing costReduce power consumptionDc-dc conversionElectric variable regulationElectric energySwitching power
The invention relates to a switch power supply, and specifically relates to a double-input switch power supply. A first processing unit converts first electric energy outputted from a first feeding terminal into first predetermined electric energy and outputting the first predetermined electric energy after the first predetermined electric energy passes testing performed by a first detecting unit; a second processing unit converts second electric energy outputted from a second feeding terminal into second predetermined electric energy and outputting the second predetermined electric energy after the second predetermined electric energy passes testing performed by a second detecting unit; and a converting unit receives the first predetermined electric energy and / or the second predetermined electric energy and outputs a converted electric energy signal formed according to the first predetermined electric energy and / or the second predetermined electric energy.
Owner:SHANGHAI L&L ELECTRONICS TECH CO LTD
System for online real-time monitoring of switch machine indication bar notch width
ActiveCN104197820AHigh sensitivityHigh resolutionUsing electrical meansElectricityInterference resistance
The invention discloses a system for online real-time monitoring of switch machine indication bar notch width. The system comprises eddy current sensors, collectors, a central monitoring manager and remote monitoring centers. Each eddy current sensor comprises an eddy current probe and an eddy current circuit; the eddy current probe is used for converting a gap between a check post and a notch of a check block into an eddy current signal, and the eddy current signal is processed by the eddy current circuit and output. The collectors are used for collecting data output by the eddy current sensors. The central monitoring managers are connected with the collectors through power cords and are used for receiving data collected by the collectors, in a power line carrier manner. The remote monitoring center is connected with one or multiple central monitoring centers and is used for receiving data transmitted by the central monitoring managers. The system has the advantages that stability and reliability are improved, false alarm rate and false negative rate are zero, the eddy current sensors are higher in reliability, sensitivity, resolution, response speed and interference resistance during long-term operation, and the system is suitable for various switch machines and various application environments.
Owner:赵建明 +1
Semiconductor memory device having improved voltage transmission path and driving method thereof
ActiveUS7663903B2The voltage signal is stableSemiconductor/solid-state device detailsSolid-state devicesControl signalData signal
Provided are a semiconductor memory device and a method of driving the device which can improve a noise characteristic of a voltage signal supplied to a memory cell of the device. The semiconductor memory device includes a first semiconductor chip and one or more second semiconductor chips stacked on the first chip. The first chip includes an input / output circuit for sending / receiving a voltage signal, a data signal, and a control signal to / from an outside system. The one or more second semiconductor chips each include a memory cell region for storing data. The second semiconductor chips receive at least one signal through one or more signal paths that are formed outside the input / output circuit of the first chip.
Owner:SAMSUNG ELECTRONICS CO LTD
Circuit based on magnetic tunnel junction, and device based on magnetic tunnel junction
ActiveCN111724840AThe voltage signal is stableCorrect logical operationDigital storageBit lineHemt circuits
The invention provides a circuit based on a magnetic tunnel junction, and a device based on the magnetic tunnel junction. The circuit based on the magnetic tunnel junction comprises a storage array module, a multipath bit line selector, a self-adaptive compensation module and a sensitive amplification module. The circuit based on the magnetic tunnel junction can carry out self-adaptive compensation on a voltage signal required by the input end of the sensitive amplification module according to a reference voltage; the speed of outputting a stable voltage difference or a comparison result by the sensitive amplification module is accelerated; the pre-charging time and the data reading period are shortened; the circuit is enabled to correctly read corresponding data in the storage array module, the data reading speed of the device is improved, the storage array module can be further enabled to be used for logic operation of the data, and correct operation of the logic operation can be ensured, so that a storage and calculation integrated function is realized, and the logic operation speed and the data throughput of the device can also be improved.
Owner:FUZHOU UNIV
Fuell consumption reduction device
InactiveUS20100264726A1Reduce noiseThe voltage signal is stableElectric devicesElectrical apparatusElectronic circuitEngineering
A fuel consumption reduction device for deployment in a vehicle, including:an electronic circuit, an encasement adapted to fit into the cigarette lighter socket of the vehicle and to enclose the electronic circuit, a positive terminal positioned on one end of the encasement that is adapted to form contact between the electronic circuit and the positive voltage source connection of the vehicle located in the cigarette lighter socket, at least one negative terminal positioned on the side of the encasement that is adapted to form contact between the electrical circuit and the negative voltage connection of the cigarette lighter; and wherein the electronic circuit is adapted to reduce noise and stabilize the voltage signal of the vehicle.
Owner:A TO Z INNOVATIONS
2D code based transmission system
PendingCN106548217AReal-time updateEasy transferTransmission systemsCo-operative working arrangementsMicrocomputerMicrocontroller
The invention discloses a 2D code based transmission system. The system comprises a data collector, a single-chip microcomputer, a display device, an analysis device, a target terminal and a cloud-end server; the data collector collects file data; the single-chip microcomputer compiles the file data into a 2D code; the display device displays the 2D code compiled by the single-chip microcomputer; the analysis device reads the 2D code displayed by the display device, analyzes the 2D code, and then transmits analysis data to the target terminal; the target terminal receives data obtained by analyzing the 2D code by the analysis device; and the cloud-end server is wirelessly connected with the analysis device, receives the data obtained by analyzing the 2D code by the analysis device, generates data that can be identified by the target terminal, and provides convenience in data analysis and gathering for merchants. Data is updated in real time and transmitted conveniently, redundant data lines are omitted, hardware requirement is lowered, educational cost of popularizing the system is reduced, and using habits of users is cultivated.
Owner:深圳微美薇健康美容科技有限公司
Seawater micro-plastic online monitoring system
PendingCN113176248AEnables direct measurementRaise the level of monitoringRaman scatteringBeam splitterSpectrograph
The invention discloses a seawater micro-plastic online monitoring system. An upper computer controls a laser to emit laser through a light source control panel, the laser acts on a to-be-detected sample to excite a Raman light signal after exciting light emitted by a Raman probe is emitted by a beam splitter, and the excited Raman light signal is reflected by the beam splitter and then collected by the Raman probe; the collected Raman light signals reach the spectrograph through the receiving optical fiber for photoelectric signal conversion, and the upper computer performs data processing on the Raman light signals processed by the spectrograph and then displays the processed Raman light signals on the upper computer; during image acquisition, a high-resolution digital camera in an imaging unit acquires seawater micro-plastic image information after passing through an objective lens and a beam splitter, and the acquired image information is transmitted to an upper computer to be displayed. Direct measurement of seawater micro-plastics can be realized, the detection speed is high, tedious steps are avoided, chemical reagents are not needed, and secondary pollution to seawater quality is avoided. And meanwhile, an imaging unit is added, so that the morphology of seawater plastic can be represented.
Owner:YANTAI INST OF COASTAL ZONE RES CHINESE ACAD OF SCI
On-line real-time monitoring system for the gap width of switch switch machine
ActiveCN104197820BHigh sensitivityHigh resolutionUsing electrical meansElectricityInterference resistance
The invention discloses a system for online real-time monitoring of switch machine indication bar notch width. The system comprises eddy current sensors, collectors, a central monitoring manager and remote monitoring centers. Each eddy current sensor comprises an eddy current probe and an eddy current circuit; the eddy current probe is used for converting a gap between a check post and a notch of a check block into an eddy current signal, and the eddy current signal is processed by the eddy current circuit and output. The collectors are used for collecting data output by the eddy current sensors. The central monitoring managers are connected with the collectors through power cords and are used for receiving data collected by the collectors, in a power line carrier manner. The remote monitoring center is connected with one or multiple central monitoring centers and is used for receiving data transmitted by the central monitoring managers. The system has the advantages that stability and reliability are improved, false alarm rate and false negative rate are zero, the eddy current sensors are higher in reliability, sensitivity, resolution, response speed and interference resistance during long-term operation, and the system is suitable for various switch machines and various application environments.
Owner:赵建明 +1
High stability optical coupling touch switch
InactiveCN106301321ASolve the problem of easy damage due to wear and tearNo mechanical wearElectronic switchingElectric light circuit arrangementEngineeringOptical coupling
The invention discloses a high stability optical coupling touch switch. The touch switch is characterized in that the touch switch is composed of an optical coupling chip U1, and a current switch chip U3. According to the invention, a user can turn on or turn off a lighting lamp simply by touching different touch pieces. Compared with traditional mechanical switches, the touch switch allows no mechanical friction, has long service life, and effectively avoids the problem of easy damage due to mechanical friction of a mechanical switch.
Owner:CHENGDU CYLON ELECTRONICS TECH
Voltage stabilization type bistable state touch switch with signal amplification function
InactiveCN106301330ASolve the problem of easy damage due to wear and tearNo mechanical wearElectronic switchingElectric light circuit arrangementEngineeringSignal amplification
The invention discloses a voltage stabilization type bistable state touch switch with a signal amplification function, which is characterized by mainly consisting of a trigger chip U1, double D trigger chips U2, a voltage stabilizing chip U3, a triode VT1, a triode VT2 and a touch piece M, etc. The touch switch disclosed by the invention can also process output voltage signals to make the voltage signals be more stable and avoid voltage fluctuation, resulting in wrong action of the touch switch disclosed by the invention. The touch switch disclosed by the invention can also amplify voltage signals leaked from human body and enhance the strength of the signals, so that the touch switch disclosed by the invention can identify the signals more quickly and accurately control the opening and closing of an illumination lamp according to the voltage signals, thereby improving the sensitivity of the touch switch disclosed by the invention.
Owner:CHENGDU CYLON ELECTRONICS TECH
Circuits based on magnetic tunnel junctions and devices based on magnetic tunnel junctions
ActiveCN111724840BThe voltage signal is stableCorrect logical operationDigital storageBit lineHemt circuits
The invention provides a circuit based on the magnetic tunnel junction and a device based on the magnetic tunnel junction. The circuit based on the magnetic tunnel junction includes a memory array module, a multi-way bit line selector, an adaptive compensation module and a sensitive amplification module. The circuit based on the magnetic tunnel junction can adaptively compensate the voltage signal required by the input terminal of the sensitive amplifying module according to a reference voltage, so as to speed up the speed at which the sensitive amplifying module outputs a stable voltage difference or a comparison result, and shorten the pre-charging The time and data reading cycle ensure that the corresponding data in the storage array module can be read correctly, improve the data reading speed of the device, and further enable the storage array module to be used for data logic operations, and can ensure the accuracy of logic operations If it is done correctly, the integrated function of storage and calculation can be realized, and the logic operation speed and data throughput of the device can also be improved.
Owner:FUZHOU UNIV
Dimmable light-emitting diode (LED) driving power supply
InactiveCN102026451BAvoid stroboscopic phenomenonThe voltage signal is stableElectric light circuit arrangementEngineeringField-effect transistor
The invention provides a dimmable light-emitting diode (LED) driving power supply, comprising an electromagnetic-interference resisting unit, a rectifying unit, a current transforming unit, a silicon-controlled unit, a dimming unit and a strobing resisting unit. The strobing resisting unit comprises two diodes, a resistance-capacitance network, a voltage follower, a transistor and a field-effect transistor; the anodes of the two diodes are connected with the silicon-controlled unit, and the cathodes of the two diodes are connected with the drain electrode of the field-effect transistor and are also connected with one input end of the voltage follower through the resistance-capacitance network; the other input end of the voltage follower is connected with the output ends of the diodes; the source electrode of the field-effect transistor is connected with the collector electrode of the triode through the resistance, and the collector of the triode is connected with the ground; signals output by the voltage follower are used for controlling the work state of the triode; and when the conduction angle of the field-effect transistor decreases and is in the wave trough, the triode is fully conducted with the field-effect transistor to maintain the conduction current of the silicon-controlled unit, thereby ensuring the silicon-controlled unit to be in the conduction state and preventing the silicon-controlled unit from being conducted repeatedly to strobe.
Owner:SHENZHEN COLLESUN LIGHTING
A multi-circuit processing type self-opening and closing control system for lighting lamps
ActiveCN107041049BRealize self-opening and closingThe voltage signal is stableElectrical apparatusElectric light circuit arrangementHigh resistanceProcessing type
The invention discloses a multi-circuit processing-type auto-on-off control system for an illuminating lamp, which is mainly composed of a diode rectifier U, a sound sensor MIC, a transistor VT2, transistor VT3, a transistor VT4, a switch S, a current adjustment circuit, a high resistance filter circuit, a thyristor voltage stabilization circuit, and a rectification and amplification circuit connected to the A output end of a sound sensor MIC, the base electrode of a transistor VT2, and the base electrode of a transistor VT4 respectively. The system can realize the auto-on-off of the illuminating lamp by the ambient brightness change and the sound information in the use range of the illuminating lamp, and filters and amplifies the voltage signal outputted by the sound sensor MIC so as to make the voltage signal more stable, so that the control effect is ensured, the problem that the illuminating lamp is wrongly turned on is effectively solved, and the power resource is greatly saved.
Owner:CHENGDU CYLON ELECTRONICS TECH
Fault monitoring system and method for photovoltaic power generation equipment of Internet of Things
ActiveCN112332778AEasy to detectImprove analytical performancePhotovoltaic monitoringCircuit arrangementsMonitoring dataSensor array
The invention discloses a fault monitoring system and method for photovoltaic power generation equipment of the Internet of Things, and belongs to the field of photovoltaic power generation equipmentof the Internet of Things. According to the fault monitoring system and method for photovoltaic power generation equipment of the Internet of Things, the system comprises a data acquisition unit, a fault monitoring unit, a power management unit, a power amplification module, a signal conditioning unit, a data storage module, a communication unit and an energy storage unit. According to the invention, the monitoring sensor array is subjected to Internet of Things frame design, and then communication signals are judged; meanwhile, a judgment network is established and input into the system to judge the fault type; meanwhile, the system can improve the signal conversion rate through the power amplification module, gain amplification and band-pass filtering are conducted on input voltage, andtherefore multi-channel monitoring data can be accurately collected in real time, the data output bandwidth is high, the balance of collected output channels is good, and the accurate detection and analysis capability of photovoltaic power generation remote monitoring data is improved.
Owner:NANJING RUIQI ELECTRONICS TECH CO LTD
Biologic induction floor
ActiveCN106013704AReduce unwanted interferenceExclude false positivesElectric/magnetic detectionFlooringElectric fieldTransformer
The invention discloses a biologic induction floor, which comprises a tire cloth layer, a biologic induction layer and a back cloth layer, wherein an exciting conducting wire and an induction conducting wire are arranged in the biologic induction layer; cooperated with the biologic induction layer, the floor also comprises a leading wire, a pulse signal generator, a triode, a step-up transformer, a processor and an alarm, wherein the exciting conducting wire is used for forming an induced electric field; the induction conducing wire is located in the induced electric field, and is used for inducing the information that the change of the induced electric field caused by the biologic magnetic field of a human body, and transmitting the induced information of the induced electric field to the processor; the processor is used for receiving the information of the induced electric field that is induced by the induction conducting wire, and judging whether the alarm is needed to be started or not according to the information. By using the biologic induction floor provided by the invention, the self regulation of working parameters can be realized; the biologic induction floor sufficiently adapts to the interference of an external environment; the false alarming and the omitted alarming which are caused by a small animal, a non-living thing and the physioclimate are removed; the application range and the reliability of the biologic induction floor are improved.
Owner:成都华立安安防科技有限公司
A bio-sensing floor
ActiveCN106013704BReduce unwanted interferenceThe voltage signal is stableElectric/magnetic detectionFlooringHuman bodyTransformer
Owner:成都华立安安防科技有限公司
A kind of biological sensing alarm device and using method thereof
ActiveCN106934976BThe voltage signal is stableReduce unwanted interferenceBurglar alarm electric actuationSmall animalElectrical field strength
Owner:成都华立安安防科技有限公司
Planar oxygen sensor and method for producing same
ActiveCN102478538BAvoid deformationIncrease binding areaMaterial analysis by electric/magnetic meansOxygen sensorOptoelectronics
The invention provides a planar oxygen sensor, which comprises a heating layer, a reference gas layer and a sensing layer sequentially from bottom to top. The planar oxygen sensor is characterized in that the reference gas layer is provided with through holes, and closed reference cavities are formed at the through holes of the heating layer, the reference gas layer and the sensing layer. The reference gas layer is provided with the through holes, so that the combination area of the reference gas layer with the upper layer and the lower layer is enlarged, and product yield can be increased effectively. In addition, the sensing layer, the reference gas layer and the heating layer are stacked to form the closed reference cavities, so that voltage signals outputted by the planar oxygen sensor are stable.
Owner:BYD CO LTD
A self-opening and closing control system for lighting lamps
ActiveCN106912152BRealize self-opening and closingSolve the problem of being turned on by mistakeElectrical apparatusElectric light circuit arrangementControl systemEffect light
The invention discloses a lighting lamp automatic on-off control system which is mainly composed of a diode rectifier U, a sound sensor MIC, a transistor VT2, a transistor VT3, a transistor VT4, a switch S, a thyristor voltage stabilization switch circuit, a rectifier amplifier circuit which is connected with the sound sensor MIC, the base of the transistor VT2 and the base of the transistor VT4 and the like. According to the invention, through the ambient brightness change and sound information within the use scope of a lighting lamp, automatic on and off of the lighting lamp are realized; a voltage signal output by the sound sensor MIC is filtered and amplified to stabilize the voltage signal; the control effect of the control system provided by the invention is ensured; the problem that the lighting lamp is erroneously turned on is effectively solved; and power resources are greatly saved.
Owner:SHENZHEN SHARON LIGHTING
Biological induction alarm device and using method thereof
ActiveCN106934976AThe voltage signal is stableReduce unwanted interferenceBurglar alarm electric actuationSmall animalElectrical field strength
The invention discloses a biological induction alarm device and a using method thereof. The device comprises an excitation module used for producing an induced electric field, an induction module used for collecting information about the induced electric field, a control module used for adjusting the intensity of the induced electric field in real time and automatically and judging whether there is a need to raise the alarm, and an alarm module used for sending out an alarm signal. The alarm device is controlled by the control module flexibly and automatically, and thus can adapt to the interference of the external environment. Meanwhile, the interference of small animals to the alarm device is avoided, and the application range and reliability of the alarm device are improved.
Owner:成都华立安安防科技有限公司
Power point tracking via solar-battery-converter
InactiveCN106104957ATroubleshooting Favorable ControllersThe voltage signal is stableBatteries circuit arrangementsPhotovoltaicsEngineeringElectrical impedance
Controllers (1) control converters (2) that convert first power from solar arrangements (3) into second power for battery arrangements (4). The control comprises, in response to detections of values of current signals flowing through the battery arrangements (4), adjustments of impedances of the converters (2) for maximizing the current signals. A kind of maximum power point tracking is performed, without many multiplications of voltage signals and current signals provided by the solar arrangements (3) needing to be performed. The adjustments may comprise adjustments in first directions in case the values of the current signals flowing through the battery arrangements (4) show increases and adjustments in different second directions in case the values of the current signals flowing through the battery arrangements (4) show decreases. The adjustments may comprise adaptations of pulse width modulations of the converters (2).
Owner:PHILIPS LIGHTING HOLDING BV
High stability bistable touch switch
InactiveCN106533416ASolve the problem of easy damage due to wear and tearNo mechanical wearElectronic switchingElectric light circuit arrangementMechanical wearEngineering
The present invention discloses a high stability bistable touch switch. The switch is characterized by mainly comprising a trigger chip U1, a dual-D trigger chip U2, a voltage regulator chip U3, a triode VT1, a triode VT2, a touch sheet M and so on. An electrical device is turned on by touching the touch sheet, and the electrical device is turned off by touching the touch sheet again. The switch is not worn mechanically, thereby having long service life. A problem that a mechanical switch is easy to damage due to mechanical wear is solved. The switch is also used for processing output voltage signals so as to make the voltage signals more stable, so that voltage fluctuation is prevented to avoid the malfunction of the switch.
Owner:CHENGDU CYLON ELECTRONICS TECH
A fault monitoring system and monitoring method for photovoltaic power generation equipment of the Internet of Things
ActiveCN112332778BEasy to detectImprove analytical performancePhotovoltaic monitoringCircuit arrangementsSensor arrayThe Internet
The invention discloses a fault monitoring system and a monitoring method for photovoltaic power generation equipment of the Internet of Things, belonging to the field of photovoltaic power generation equipment of the Internet of Things; a fault monitoring system and monitoring method for photovoltaic power generation equipment of the Internet of Things, including: data Acquisition unit, fault monitoring unit, power management unit, power amplification module, signal adjustment unit, data storage module, communication unit, and energy storage unit; the present invention carries out the Internet of Things framework design for the monitoring sensor array, and then judges the communication signal; At the same time, a judgment network is established and input to the system to judge the type of fault; at the same time, the system will increase the signal conversion rate through the power amplifier module, and at the same time perform gain amplification and band-pass filtering on the input voltage, so as to accurately collect multi-channel monitoring in real time Data, the bandwidth of the data output is high, and the balance of the acquisition and output channels is better, which improves the accurate detection and analysis capabilities of the remote monitoring data of photovoltaic power generation.
Owner:NANJING RUIQI ELECTRONICS TECH CO LTD
A high-resistance filter type self-opening and closing control system for lighting lamps
ActiveCN106973473BRealize self-opening and closingThe voltage signal is stableElectrical apparatusElectric light circuit arrangementHigh resistanceControl system
Disclosed in the invention is a high-impedance filtering type self-on-and-off control system for an illumination lamp. The system is composed of a diode rectifier U, a sound sensor MIC, a triode VT2, a triode VT3, a triode VT4, a switch S, a high-impedance filter circuit, a thyristor voltage-stabilizing switching circuit, and a rectification amplification circuit connected with an A output terminal of the sound sensor MIC, a base electrode of the triode VT2, and a base electrode of the triode VT4. Self starting and closing of an illumination lamp are realized according to environmental brightness changing and sound information in an illumination lamp usage range and the voltage signal outputted by the sound sensor MIC can be filtered and amplified, so that the voltage signal becomes stable, so that the control effect can be ensured, a problem that the illumination lamp is turned on by mistake can be solved, and the power resources can be saved substantially.
Owner:NINGBO SUNPU OPTO SEMICON
LED lamp control device and control method
PendingCN110493930AChange naturallySimple structureElectrical apparatusElectroluminescent light sourcesControl signalTime delays
The invention provides an LED lamp control device and control method. The LED lamp control device comprises a control circuit, a first lamp set and a second lamp set. The color temperature of the first lamp set is different from that of the second lamp set. The control circuit comprises a first input end, a second input end, a first triode, a second triode, a first resistor, a second resistor anda fifth resistor; the first input end and the second input end are connected with a voltage control signal, and the voltage control signal is a pulse signal with an adjustable proportion of the firstinput end and the second input end in one period; according to the invention, brightness and color temperature adjustment is realized through the control circuit; the circuit is simple in structure, due to the fact that the same voltage control signal is adopted to adjust the two lamp sets, the two lamp sets can change more naturally among the multiple adjusting signals; and the phenomenon that due to the fact that time delay exists between the two control signals, the two lamp sets change asynchronously, and consequently the two lamp sets are not natural is avoided.
Owner:GUANGZHOU LEDIA LIGHTING CO LTD
Safety control circuit for electromagnetic cooking utensil and electromagnetic cooking utensil
InactiveCN111404134AReduce power consumptionLow costEmergency protective arrangements for limiting excess voltage/currentInduction heating apparatusSafety controlRectifier diodes
The invention discloses a safety control circuit for an electromagnetic cooking utensil and the electromagnetic cooking utensil. A rectification circuit of the safety control circuit comprises a firstrectification module, a change-over switch and a second rectification module, the first rectification module and the change-over switch form a switchable rectification unit, the output end of the rectification unit is connected with an electromagnetic heating drive circuit, and the output end of the second rectification module is connected with a switching power supply; the switching power supplyis connected with the controller and the discharging device to provide working voltage; the controller is connected with the rectification circuit to collect voltage signals, in case of power failure, the rectifying diode in the first rectification module and the second rectification module are combined to form a discharging rectification unit, and the discharging rectification unit supplies working voltage to the switching power supply, so that residual voltage is released through a discharging device connected with the switching power supply. According to the safety control circuit for theelectromagnetic cooking utensil, discharging can be achieved without connecting discharging resistors to the two ends of the lead connected with the main power source in parallel, and the cost of thedischarging circuit can be reduced.
Owner:JOYOUNG CO LTD
A current-adjustable self-opening and closing control system for lighting lamps
InactiveCN107027231BRealize self-opening and closingThe voltage signal is stableElectrical apparatusElectric light circuit arrangementControl systemEngineering
The invention discloses a current adjustment type automatic on-off control system for a lighting lamp. The current adjustment type automatic on-off control system mainly comprises a diode rectifier U, a sound sensor MIC, a triode VT2, a triode VT3, a triode VT4, a switch S, a current adjustment circuit, a thyristor voltage stabilization switch circuit and a rectification amplification circuit, wherein the rectification amplification circuit is connected with the sound sensor MIC, a base of the triode VT2 and the a base of the triode VT4. Automatic on-off of the lighting lamp can be achieved according to environmental brightness change and sound information of the lighting lamp within an application range, a voltage signal output from the sound sensor MIC can be filtered and amplified, so that the voltage signal is more stable, the control effect of the current adjustment type automatic on-off control system is ensured, the problem that the lighting lamp is turned on by mistake can be effectively solved, and the power resource is greatly saved.
Owner:江苏晶亿照明工程有限公司
Voltage conversion circuit with noise suppression function and power supply equipment
PendingCN114499155AImprove noise reductionSolve the problem of noise affecting normal usePower conversion systemsPower equipmentNoise suppression
The invention relates to the technical field of control circuits, and provides a voltage conversion circuit with a noise suppression function and power equipment, the circuit comprises a control element and a control program, and the control program controls the state of the control element according to a preset program; the control element comprises an original voltage unit, a substitute voltage power supply, a feedback unit, a suppression unit and a stabilization unit. The output end of the original voltage unit is connected with the input end of the feedback unit, the output end of the feedback unit is connected with the input end of the suppression unit, the output end of the suppression unit is connected with the stabilization unit, and the output end of the stabilization unit is connected with the power supply end; the output end of the feedback unit is connected with the input end of the substitute voltage unit, and the output end of the substitute voltage unit is connected with the stabilizing unit. According to the voltage conversion circuit, voltage fluctuation detection is realized, missing voltage signals are supplemented, fluctuation is suppressed, vibration noise caused by voltage fluctuation in the circuit is reduced, and the noise reduction performance of the voltage conversion circuit is improved.
Owner:陕西工业职业技术学院
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