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44results about How to "Avoid flowing through" patented technology

Multimedia touch switch panel

ActiveCN105338685AImprove reliabilityImprove the problem of low measurement accuracyElectric light circuit arrangementElectricityCounter-electromotive force
The invention discloses a multimedia touch switch panel, which comprises a current detection circuit, a thyristor, a control module, a zero cross detection circuit and a capacitive touch screen assembly, wherein a central processing module is electrically connected with the control module; an infrared proximity induction module is connected to the central processing module; the current detection circuit and the thyristor are connected between a lamp fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the lamp fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and a dynamic rectifier-amplifier circuit is arranged between the current detection circuit and the control module, and dynamically adjusts whether the dynamic current maintaining circuit is enabled or not according to a detection current signal from the current detection circuit. According to the multimedia touch switch panel, the condition that the thyristor is unexpectedly conducted due to bearing over-high counter electromotive force in a current switching process is avoided; the condition that current which flows through the control module flows through an LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.
Owner:LUCIS TECH SHANGHAI

Intelligent protection circuit and method of unified power quality conditioner

The invention provides an intelligent protection circuit of a UPQC (Unified Power Quality Conditioner). A series current converter of the UPQC is connected between a load i1 and an electric power system US through a coupling transformer UC; a parallel current converter is connected between the load and the electric power system directly and located in a circuit which is arranged behind the coupling transformer; two ends of the coupling transformer are in parallel connection with an antiparallel silicon controlled rectifier SCR and a fifth circuit breaker CB5; two ends of the antiparallel silicon controlled rectifier SCR are provided with disconnecting switches; a first circuit breaker CB1 is connected with the connected position of the coupling transformer and the electric power system; a second circuit breaker CB2 is connected with the connected position of the coupling transformer and the load; a third circuit breaker CB3 is connected with the connected position of the series current converter of the intelligent protection circuit and the electric power system; a fourth circuit breaker CB4 is connected with the connected position of the parallel current converter of the intelligent protection circuit and the electric power system. The invention also provides an intelligent protection method of the UPQC. The intelligent protection circuit and method of the UPQC can achieve rapid and efficient fault protection on the UPQC.
Owner:ELECTRIC POWER RES INST OF GUANGDONG POWER GRID +2

Isolated heat dissipation structure suitable for charging pile module and heat dissipation method thereof

The invention provides an isolated heat dissipation structure suitable for a charging pile module. The isolated heat dissipation structure comprises a casing, a PCB module, a heat sink module with a water channel, a water cooling and air cooling module, and a cooling liquid pipe. The PCB module is disposed on a side in the casing. The water cooling and air cooling module is disposed on the other side in the casing. The heat sink module with a water channel is attached to one side of the PCB module and is connected with the water cooling and air cooling module through the cooling liquid pipe. An air channel is formed between the casing and at least one side of the PCB module or a hole on the side of the casing forms the air channel. All heat dissipating components are assembled integrally so as to be easy to install. By the air channel, the contact area of the heat-dissipating airflow in the air channel and the casing is increased. The isolated air channel design prevents the air from flowing through the PCB and power components so as to protect the PCB board and the components thereon and prevent the PCB board and the components thereon from being damaged by harmful substances in the air, and improve product reliability.
Owner:SHENZHEN POWERINGEV TECH CO LTD

Intelligent switch panel for LED lamp

The invention discloses an intelligent switch panel for an LED lamp. The intelligent switch panel comprises a current detection circuit, a thyristor, a control module, a dynamic current maintaining circuit, a zero cross detection circuit and an ambient light brightness induction module, wherein a central processing module for controlling a capacitive touch screen assembly is electrically connected with the control module; the ambient light brightness induction module is connected to the central processing module; the current detection circuit and the thyristor are connected between an LED fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and whether the dynamic current maintaining circuit is enabled or not is dynamically adjusted according to a detection current signal from the current detection circuit. According to the intelligent switch panel, the condition that current which flows through the control module flows through an LED lamp is avoided; the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is avoided; and the problem that the thyristor is unexpectedly conducted due to bearing over-high counter electromotive force in a current switching process is solved.
Owner:LUCIS TECH SHANGHAI

Dimmable power switch

The invention discloses a dimmable power switch, which comprises a current detection circuit, a thyristor, a control module and a zero cross detection circuit, wherein an input end of the zero cross detection circuit is connected to a fire line and a zero line of electric supply; the current detection circuit and the thyristor are connected between an LED fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; the thyristor starting current circuit comprises a resistor and a capacitor, which are connected with each other in series; a dynamic rectifier-amplifier circuit is arranged between the current detection circuit and the control module; and the control module controls a thyristor control circuit to generate trigger pulse current according to an alternating current zero cross signal, and dynamically adjusts whether the dynamic current maintaining circuit is enabled or not according to a detection current signal from the current detection circuit. According to the dimmable power switch, the condition that the thyristor is unexpectedly closed due to bearing over-high counter electromotive force in a current switching process at relatively high power is avoided; and the flicker phenomenon that the thyristor is unexpectedly closed due to the fact that an LED lamp is relatively low in power and discontinuous in current is also avoided.
Owner:LUCIS TECH SHANGHAI

Self-deflection oil filtering device for oil-containing waste gas treatment

The invention discloses a self-deflection oil filtering device for oil-containing waste gas treatment. The invention belongs to the technical field of oily waste gas treatment. Densely distributed segmental oil filtering fiber rods can be arranged at the lower end of an oil filtering plate; the characteristic that the upper and lower parts have deflection distances is utilized; an oil absorption gap between the adjacent segmental oil filtering fiber rods is eliminated; the contact sufficiency is improved in a space range; therefore, the oil filtering effect and efficiency of the oil-containingwaste gas are improved; after the segmental oil filtering fiber rods adsorb, saturate and gain weight; a lower movable oil filtering fiber rod on the segmental oil filtering fiber rods forces a middle deflection transition rod to generate self-deflection action due to the reason that the weight is increased; a pre-embedded magnetic pressure liquid release ball is used for carrying out extrusion action based on the magnetic repulsion effect, so that an emulsifier for oil stains is released and is guided to the emulsification-promoting disintegration microsphere, and the permeation of the emulsifier and the emulsification of the oil stains are accelerated by utilizing the characteristic that the emulsification-promoting disintegration microsphere fiercely releases gas and vibrates when meeting water.
Owner:刘宝军

Electricity taking device utilizing leakage current of valve plate of lightning arrester and working method thereof

ActiveCN110649561AAvoid flowing throughAvoid flowing through the power supply circuitCurrent/voltage measurementElectric powerElectrical batteryControl switch
The invention discloses an electricity taking device utilizing the leakage current of a valve plate of a lightning arrester and a working method thereof. The leakage current in the valve plate of thelightning arrester is collected through an electricity taking and protecting module, that an electricity taking circuit is not affected when the lightning arrester acts and high-amplitude impact current occurs is guaranteed, and an energy storage module is charged after the leakage current is rectified; when a voltage of the energy storage module reaches a first set value, a single-chip microcomputer module controls a switch module to be switched on, and a battery is charged through a DC-DC module and a battery management module; when the voltage of the energy storage module drops to a secondset value, the single-chip microcomputer module controls the switch module to be turned off, and the energy storage module enters a charging state again; when the lithium battery pack is fully charged, the single-chip microcomputer module conducts a discharge module according to the electric quantity information provided by the battery management module when the electric quantity of the lithium battery is saturated, so the energy storage module discharges energy, and the power output of the DC-DC module is locked; the battery management module ensures over-charge and over-discharge protection,input under-voltage protection, chip over-temperature protection and current-limiting protection of the battery.
Owner:XI AN JIAOTONG UNIV

Testing device and testing method for water cooling system of rail transit converter

The invention relates to a rail transit converter water cooling system test device and test method. The rail transit converter water cooling system test device comprises a test box, wherein a middle partition plate is arranged in the test box to divide the test box into a dirty chamber and a clean chamber which are mutually independent and respectively close to a first end and a second end of the test box; a main air inlet is formed in the first side of the test box, a wind shield with a through hole is arranged in the dirty chamber, and the wind shield divides the dirty chamber into a wind guide cavity communicated with the main air inlet and a mounting cavity close to the second side of the test box; a radiator is fixedly arranged outside the first side of the test box, and a fan and a water pump are arranged in the mounting cavity; a plurality of water cooling plates are arranged in the clean chamber, and each water cooling plate is provided with a heating part. The device is small in size, convenient to install and easy to operate, can be used for testing data under the independent action of the water cooling system, and is more convenient for deeply researching attributes of the water cooling system.
Owner:CHINA ACADEMY OF RAILWAY SCI CORP LTD +3

Fallopian tube jam diagnosis and treatment device

The invention belongs to the technical field of medical appliances, and particularly discloses a fallopian tube jam diagnosis and treatment device. The fallopian tube jam diagnosis and treatment device comprises a connector and a sleeve body, wherein the sleeve body comprises a guide wire, a microcatheter, a cornua uteri catheter, an external catheter and a ball bag which are connected in a sleeving manner from inside to outside; a hydrophilic coating coats the guide wire; a net-shaped film coats the outer wall of the microcatheter; a far end of the cornua uteri catheter is a conical elbow; the connector is connected with a microcatheter connecting tube, a catheter connecting tube and a ball bag three-way connecting tube in a penetrating manner; the ball bag three-way connecting tube is provided with a pressure gauge; one-way valves are separately arranged at the near end of the microcatheter connecting tube, the near end of the catheter connecting tube and the ball bag three-way connecting tube; and a net-shaped film wraps the outer wall of the microcatheter. By arrangement of the pressure gauge, pressure change in the ball bag can be judged accurately, over-filling or insufficient filling caused by inaccurate pressure judgment in the ball bag is prevented, and by the conical elbow, trauma to endometrium and fallopian tubes is avoided effectively.
Owner:THE FIRST AFFILIATED HOSPITAL OF ZHENGZHOU UNIV

Electric machinery end cover capable of preventing shaft current

The invention discloses an electric machinery end cover capable of preventing shaft current. The electric machinery end cover herein includes an electric machinery front end cover. An electric machinery rotation shaft is fixedly provided with an electric machinery bearing and a bearing pressing sleeve. The electric machinery rotation shaft, the electric machinery bearing and the bearing pressing sleeve are disposed inside the electric machinery front end cover. The external surface and the internal surface of the electric machinery bearing are separately provided with an electric machinery front bearing external cover and an electric machinery front bearing internal cover. A conductive apparatus is in fixed installation to the electric machinery front bearing external cover through a bolt. The electric machinery front bearing external cover and the bearing are provided with a cavity therebetween. The cavity is provided with a thrower ring therein, and the thrower ring and the electric machinery rotation shaft are in fixed connection. According to the invention, the electric machinery end cover is provided with a shaft current prevention apparatus thereon, such that current goes through the electric machinery end cover, the electric machinery front bearing external cover, a conducting ring, a conductive fiber, and the rotation shaft rather than go through the original electric machinery front end cover, the bearing and the rotation shaft, so that the electric machinery end cover prevents current from going through the electric machinery bearing, prolongs service life of the bearing, and provides better protection to the electric machinery.
Owner:HARBIN UNIV OF SCI & TECH

Multifunctional capacitive touch switch

ActiveCN105338684AImprove reliabilityImprove the problem of low measurement accuracyElectric light circuit arrangementPower flowDimmer
The invention discloses a multifunctional capacitive touch switch, which comprises a shell and a capacitive screen, wherein the capacitive screen is arranged on the shell; a circuit board comprises a current detection circuit, a thyristor, a control module, a zero cross detection circuit, an on-off key and a positive and negative dimmer key; the on-off key is connected with the control circuit; a zero line connection terminal and an LED fire line connection terminal are connected with a thyristor staring current circuit and a dynamic current maintaining circuit in parallel; a thyristor control circuit is arranged between the thyristor and the control module; the thyristor control circuit is used for providing trigger pulse current to the thyristor; and an optocoupler transfer control circuit is arranged between the dynamic current maintaining circuit and the control module. According to the multifunctional capacitive touch switch, the flicker phenomenon that the thyristor is unexpectedly closed due to the fact that an LED lamp is relatively low in power and discontinuous in current is avoided; the condition that current which flows through the control module flows through the LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.
Owner:LUCIS TECH SHANGHAI

High-reliability intelligent switch device

The invention discloses a high-reliability intelligent switch device, which comprises a shell, a capacitive screen, an LED fire line connection terminal, an electric supply fire line connection terminal and an intermediate plate, wherein the capacitive screen is arranged on the shell; a circuit board is arranged between the intermediate plate and a rear cover and comprises a current detection circuit, a thyristor, a control module, a dynamic current maintaining circuit, a zero cross detection circuit and an ambient light brightness induction module; a central processing module for controlling a capacitive touch screen assembly is electrically connected with the control module; the current detection circuit and the thyristor are connected between the LED fire line connection terminal and the electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and whether the dynamic current maintaining circuit is enabled or not is dynamically adjusted according to a detection current signal from the current detection circuit. According to the high-reliability intelligent switch device, the condition that current which flows through the control module flows through an LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.
Owner:LUCIS TECH SHANGHAI

Wafer grinding assembly and grinding equipment

InactiveCN110181389AAvoid flowing throughReduced Possibility of DefectsLapping machinesLapping toolsEngineering
The invention provides a wafer grinding assembly and grinding equipment. The wafer grinding assembly includes a plurality of grinding pads, a liquid supply assembly and an adjusting assembly. The plurality of grinding pads are distributed annularly around the center of the wafer grinding assembly, the liquid supply assembly is used for providing grinding liquid, the adjusting assembly is arrangedby corresponding to a liquid outlet of the liquid supply assembly, the adjusting assembly extends from the center of the wafer grinding assembly to the direction close to the grinding pads, and the adjusting assembly is used for enabling the grinding liquid provided by the liquid supply assembly to drop from the side, close to the grinding pads, of the adjusting assembly. According to the embodiment of the invention, the adjusting assembly is arranged, when grinding liquid is supplied, the grinding liquid can directly drop on the edge of the ground wafer through the adjusting effect of the adjusting assembly, so that the grinding liquid is prevented from flowing through the upper surface of the wafer, the influence possibly caused by the grinding liquid on the upper surface of the wafer can be reduced, and the possibility that defects are generated on the surface of the wafer is reduced.
Owner:XIAN ESWIN SILICON WAFER TECH CO LTD

Condensation heat exchange structure and gas water heater

The invention relates to a condensation heat exchange structure and a gas water heater. The condensation heat exchange structure comprises a shell and a heat exchange pipe, wherein a smoke inlet is formed in the side wall of the shell, a smoke outlet located above the smoke inlet is further formed in the wall of the shell, the heat exchange pipe is circuitously bent along the trend of the cross section of the shell to form a hollow structure, an air passing gap is formed between the heat exchange pipe and the inner wall of the shell, and a water inlet and a water outlet are formed in the headand the tail of the heat exchange pipe respectively. The heat exchange pipe can be bent circuitously to form the hollow structure, so that the resistance borne by flue gas flowing through the gas passing gap is the same as the resistance borne by the flue gas flowing through a gas passing channel in the hollow structure, uniform distribution of the flue gas is guaranteed, most of the flue gas is prevented from flowing through the gas passing channel in the hollow structure, and the heat exchange efficiency of the condensation heat exchange structure is improved; and besides, the heat exchangepipe is circuitously bent in the direction of the cross section of the shell, the flowing path of cold water in the heat exchange pipe can be prolonged, the heat exchange time with smoke in the shellcan be prolonged, waste heat of the smoke can be fully utilized, and the heat exchange efficiency is improved.
Owner:GREE ELECTRIC APPLIANCES INC

Multifunctional capacitive contact switch

ActiveCN105338684BImprove reliabilityImprove the problem of low measurement accuracyElectric light circuit arrangementDimmerLED lamp
The invention discloses a multifunctional capacitive touch switch, which comprises a shell and a capacitive screen, wherein the capacitive screen is arranged on the shell; a circuit board comprises a current detection circuit, a thyristor, a control module, a zero cross detection circuit, an on-off key and a positive and negative dimmer key; the on-off key is connected with the control circuit; a zero line connection terminal and an LED fire line connection terminal are connected with a thyristor staring current circuit and a dynamic current maintaining circuit in parallel; a thyristor control circuit is arranged between the thyristor and the control module; the thyristor control circuit is used for providing trigger pulse current to the thyristor; and an optocoupler transfer control circuit is arranged between the dynamic current maintaining circuit and the control module. According to the multifunctional capacitive touch switch, the flicker phenomenon that the thyristor is unexpectedly closed due to the fact that an LED lamp is relatively low in power and discontinuous in current is avoided; the condition that current which flows through the control module flows through the LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.
Owner:LUCIS TECH SHANGHAI

Water guide structure, automobile forecabin and automobile

The invention discloses a water guide structure, an automobile forecabin and an automobile, the water guide structure comprises a gutter channel body, an A-pillar lower inner plate, a side coaming and a water guide piece, a gutter channel is formed in the upper side of the gutter channel body, the A-pillar lower inner plate is arranged at one end of the gutter channel, the A-pillar lower inner plate extends in the vertical direction, a water outlet is formed in the A-pillar lower inner plate, the water outlet is communicated with the gutter channel, so that wter in the gutter channel is discharged through the water outlet. The side surrounding plate is arranged on the outer side, away from the gutter channel, of the A-column lower inner plate and attached to the A-column lower inner plate, and the water guiding piece extends to the outer side, away from the A-column lower inner plate, of the side surrounding plate from the edge of the drainage port so as to guide water flow to be drained to the outer side of the side surrounding plate. According to the water guide structure, the automobile forecabin and the automobile, water cannot flow along the outer side face of the A-column lower inner plate after being discharged from the water outlet of the A-column lower inner plate, so that the water is prevented from flowing through the lap joint of the side wall plate and the A-column lower inner plate, the water leakage risk that the water permeates into the interior of a side wall cavity is further prevented, and the water tightness is improved.
Owner:DONGFENG LIUZHOU MOTOR

smart switch panel for led lamps

The invention discloses an intelligent switch panel for an LED lamp. The intelligent switch panel comprises a current detection circuit, a thyristor, a control module, a dynamic current maintaining circuit, a zero cross detection circuit and an ambient light brightness induction module, wherein a central processing module for controlling a capacitive touch screen assembly is electrically connected with the control module; the ambient light brightness induction module is connected to the central processing module; the current detection circuit and the thyristor are connected between an LED fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the LED fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and whether the dynamic current maintaining circuit is enabled or not is dynamically adjusted according to a detection current signal from the current detection circuit. According to the intelligent switch panel, the condition that current which flows through the control module flows through an LED lamp is avoided; the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is avoided; and the problem that the thyristor is unexpectedly conducted due to bearing over-high counter electromotive force in a current switching process is solved.
Owner:LUCIS TECH SHANGHAI

Multimedia touch switch panel

ActiveCN105338685BImprove reliabilityImprove the problem of low measurement accuracyElectric light circuit arrangementElectricityCounter-electromotive force
The invention discloses a multimedia touch switch panel, which comprises a current detection circuit, a thyristor, a control module, a zero cross detection circuit and a capacitive touch screen assembly, wherein a central processing module is electrically connected with the control module; an infrared proximity induction module is connected to the central processing module; the current detection circuit and the thyristor are connected between a lamp fire line connection terminal and an electric supply fire line connection terminal in series; a zero line connection terminal and the lamp fire line connection terminal are connected with a thyristor starting current circuit and a dynamic current maintaining circuit in parallel; and a dynamic rectifier-amplifier circuit is arranged between the current detection circuit and the control module, and dynamically adjusts whether the dynamic current maintaining circuit is enabled or not according to a detection current signal from the current detection circuit. According to the multimedia touch switch panel, the condition that the thyristor is unexpectedly conducted due to bearing over-high counter electromotive force in a current switching process is avoided; the condition that current which flows through the control module flows through an LED lamp is avoided; and the phenomenon that the originally controlled LED lamp flickers or cannot be turned off is also avoided.
Owner:LUCIS TECH SHANGHAI
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