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

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.

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.

The invention discloses a high-comfort and low-energy-consumption intelligent kitchen air supplement system for a healthy building. The system comprises a coarse filter screen, a primary / medium filter, an internal thread connector, a turnable air port, an external thread connector, a retractable air hose, an electric air valve, an electronic filter, a primary heater, a non-combustible flexible joint, a variable-frequency low-noise fan, a divergent connector, an air supply plenum chamber, a gas stove, a secondary heater, a high-speed line diffuser, a low-speed line diffuser, a radiant heating electric heating film module, a radiant heating floor, a face recognition camera, a combustible gas sensor, an indoor PM2.5 sensor, an indoor temperature sensor, an indoor humidity sensor, a CO sensor,a kitchen air pressure sensor, a radiant heating wall, a vegetable table electric heating film, an intelligent controller, an outdoor PM2.5 sensor, an outdoor temperature sensor, an outdoor humiditysensor and the like. The system has the advantages of high human body comfort, high automation and intelligentization degree, high safety degree, good kitchen fume removal effect and the like.

The invention discloses an air conditioner. The air conditioner comprises an outer shell, an electric heating assisting device and an electric heating assisting protection assembly. An air wheel and an indoor heat exchanger are arranged in the outer shell. The electric heating assisting device is arranged in the outer shell and located between the air wheel and the indoor heat exchanger. The electric heating assisting protection assembly comprises a plurality of shell parts. The multiple shell parts can be connected to limit a containing cavity where the electric heating assisting device can be contained, and at least one of the multiple shell parts can be driven by a driving piece and move relative to the other shell parts to open the containing cavity. According to the air conditioner, the electric heating assisting device can be closed in the electric heating assisting protection assembly when the electric heating assisting device does not carry out heating, air is prevented from flowing through the electric heating assisting device, the noise and the power consumption of the air conditioner are greatly reduced, and the dustproof effect is also achieved on the electric heating assisting device.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

A heat dissipation structure of a server the invention relates to the technical field of server heat dissipation architecture, including power, FPGA card and CPU, FPGA card is arranged at that left end of the chassis, the heat dissipation end of the FPGA card is opposite to the air outlet of the chassis. A chassis air outlet is arranged on the right side wall of the chassis, the right end of the FPGA card is provided with an air guide cover, the air deflector comprises a first air deflector and a second air deflector sequentially connected from left to right. The left end of the first air guide cover is connected with the heat dissipation end of the FPGA card, the end of the second air guide cover away from the first air guide cover is opposite to the air outlet of the chassis, and the CPUis arranged on the front side or the rear side of the air guide cover. The inner cavity of the first air guide cover is a trumpet shape with a large left end and a small right end. The invention caneffectively utilize the limited space inside the server chassis to guide the hot air generated by the FPGA card, improve the heat dissipation effect of the components inside the chassis, reduce the density of the components inside the chassis and reduce the cost.

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.

The invention discloses a shift register, a gate drive circuit and a display device, comprising: an input module, a reset module, a first control module, a first output module and a second output module; wherein, since the first output module has two output paths, one of which is to provide the signal at the first clock signal end to the drive signal output end of the shift register under the common control of the first clock signal end and the signal of the first node, and the other path is to Under the common control of the signal terminal and the signal of the first node, the signal of the second clock signal terminal is provided to the drive signal output terminal, and cooperates with the other four modules to make the two paths work alternately, so as to avoid the current flowing only Through one path, the service life of the shift register can be improved.

The invention provides a clutch device. The clutch device includes at least one outer friction sheet support extending axially and a plurality of outer friction sheets, wherein the outer friction sheet support includes inner teeth extending axially and the inner teeth are provided with a plurality of tooth parts spaced from each other by a plurality of grooves extending axially. The outer frictionsheet is provided with outer teeth engaged with the inner teeth. Therefore, with the design of the geometric shape of the groove bottoms, lubricants accumulated in the groove bottoms can be conveyedalong the grooves axially when the outer friction sheet support rotates.

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.

The invention relates to a system for realizing safe user data acquisition and authorization processing. The system comprises a user module including an SDK unit for locally loading and running a script for realizing data acquisition, analysis and processing functions, a fourth-party data acquisition module which is used for checking the SDK updating state without receiving the data stream, and auser data storage module. The invention also relates to a method for realizing safe user data acquisition and authorization processing. By adopting the system for realizing safe user data acquisitionand authorization processing and the method thereof, the problem that the data of the fourth-party company cannot be directly connected with the third-party data company due to automatic arrangement of the data of the fourth-party company is avoided; and the situation that a customized data format required by each third-party data requirement company cannot be provided for each third-party data requirement company due to a single stored data format is avoided, so that, the user data flow is prevented from passing through other websites, and the data leakage risk is reduced, and the user data is protected.

An operating circuit is coupled between an input / output pad and a ground terminal, and includes a core circuit, an N-type transistor, an electrostatic discharge protection circuit and a control circuit. The N-type transistor determines whether to conduct a path between the core circuit and the ground terminal according to a voltage level of a specific node. The electrostatic discharge protection circuit is coupled between the input / output pad and the core circuit, is used for preventing the electrostatic discharge current from flowing through the core circuit, and comprises a detection circuitand a release assembly. The detection circuit detects whether an electrostatic discharge event occurs in the input / output pad or not and is used for generating a detection signal. The release assembly provides a release path for releasing the electrostatic discharge current according to the detection signal. The control circuit controls the voltage level of the specific node according to the detection signal.

The invention provides an S-CRANN-based electric quantity consumption prediction method and system for an intelligent networked electric vehicle, and the system comprises a road condition detection device, an information processing device, an electric quantity consumption prediction device and an endurance mileage prediction device. The information processing device preprocesses the travel data, the power consumption prediction device predicts the total power consumption of the travel based on S-CRANN, and the endurance mileage prediction device calculates the residual endurance mileage according to the prediction result of the total power consumption in combination with the current residual power. According to the method, the electric quantity consumption of the intelligent network connection electric vehicle can be accurately predicted in real time.

The invention discloses a drying device for Camellia oleifera fruit processing. The drying device comprises a base, a drying box and a heating box and is characterized in that support legs are weldedto four corners of the lower surface of the base, the drying box and the heating box are of a cuboid structure, and the drying box and the heating box are fixedly mounted on the upper surface of the base; the drying box comprises an outer protecting layer and an inner thermal-insulation layer, a horizontal bearing plate is fixedly mounted inside the drying box, the bottom end of the right side ofthe drying box is fixedly connected with the bottom end of the left side of the heating box through a ventilation pipe, an air outlet pipe is fixedly mounted at the top end of the drying box, a horizontal air inlet pipe is fixedly connected to the bottom end of the right side of the heating box, a filter screen is fixedly mounted at the right-end pipe orifice of the air inlet pipe through screws,and a fan is arranged inside the air inlet pipe. The drying device is good in drying effect, capable of saving resources, capable of being widely popularized and used and the like.