33results about How to "With thermal protection" patented technology

The invention discloses a control circuit for a multi-functional protection socket, comprising a signal processing chip IC, a zero sequence current transformer L1, a controllable silicon VS1, a releasing coil L5, a rectifier circuit, a testing circuit, an indicator circuit, a piezoresistor RV1 and other resistor-capacitor unit. The control circuit is characterized in that the control circuit also comprises an over-current transformer L2, a recovery coil L4, a controllable silicon VS2, a short circuit coil L3, a temperature switch ST and a piezoresistor RV2. As the invention has the functions of electric leakage protection, over-load protection, over-heat protection, short circuit protection, over-voltage protection, anti-thunder, etc., the control circuit has wider protection range, and can protect the lives and the possessions of people more effectively and safely.

The invention provides an integrated electronic system health management module and method for small satellites. The system comprises an ADSP-SC589 type DSP 1, a Flash memory 2, an SRAM 3, a PROM 4 and an 82C250 type CAN bus level conversion chip 5. Autonomous fault detection, fault isolation and fault identification of small satellites in orbit operation can be realized, health state determination of a small satellite integrated electronic system is carried out according to the result, and the important reference information is provided for upgrade and improvement of small satellite follow-upsystems. The system is advantaged in that autonomous fault prediction for the small satellites in orbit operation can be realized, a fault source generating a fault, the fault size and the fault generation time are predicted, the basis is provided for self repair of the small satellites, the service life of the small satellites is prolonged, and maintenance cost of the small satellites is reduced.

The invention belongs to a field of electric device and specifically provides an intelligent vehicle charger including a shell, an integrated control module, a voltage converter, a negative electrode elastic clip, a position elastic head, an audio interface, a charge data line USB interface, an operation key, an LCD digital display screen, an LED charge indicating lamp and a communication mic.The integrated control module is mounted in the shell. The voltage converter is mounted in a lower part cavity of the shell. The negative electrode elastic clip and the position elastic head are mounted on the side face and the bottom end of the lower part of the shell respectively. The audio interface and the charge data line USB interface are mounted on the side face on the upper end of the shell. After an automobile is started and the vehicle charger shell is connected with an igniter socket normally for powersupply, the flickering of a green lamp of the LED charge indicating lamp indicates normal charge. Then the audio interface is connected with a vehicle sound box through the data line and cell phone Bluetooth and vehicle charger Bluetooth are set. After Bluetooth connection is realized, a function of vehicle Bluetooth hand free communication can be realized.

The invention relates to a controller for a direct current motor of a pure electric vehicle. The controller consists of a wave chopper 1, a main contactor 2, a reversing contactor 3, a main circuit protector 4, a control circuit protector 5, a shunt 6, a heat-dissipation aluminum plate 7 and an accelerator 8. The controller has the advantages that the reset function can be used repeatedly, and the wire harness protection function is strong; moreover, the controller does not need to be replaced or maintained, is low in efficiency cost and can effectively ensure the reliability and the safety of protected wire harnesses.

The invention relates to the field of dresses and particularly relates to a multipurpose inflatable dress, comprising a jacket and trousers. The multipurpose inflatable dress is characterized in that the jacket and the trousers are of a sealed double-layered structure and are provided with inflating devices. When being manufactured, the multipurpose inflatable dress is manufactured by materials including flexible rubber, PVC (Poly Vinyl Chloride) and the like which meet hygienic standards. The inflatable dress manufactured by the materials and having the structure has the characteristics of rainproof and cold-proof performance, heat preservation and body protection, insect biting prevention, simple structure and convenience for carrying, and therefore, the multipurpose inflatable dress can be applied to various fields and environments of lifesaving and emergency, flood prevention patrolling, highland watch keeping, work in winter, work on rainy day, night activities and the like.

The invention discloses a constant-current power supply based on a triode voltage stabilizing circuit. The constant-current power supply is characterized by mainly consisting of a processing chip U, a field-effect transistor MOS1, a polar capacitor C4, a diode D3, a voltage regulating circuit, a constant-current driving circuit, a triode voltage stabilizing circuit and a pulse trigger circuit, wherein the voltage-regulating circuit is connected with the processing chip U; the constant-current driving circuit is connected with a source electrode of the field-effect transistor MOS1 and the processing chip U respectively; the triode voltage stabilizing circuit is connected in series between the voltage-regulating circuit and the constant-current driving circuit; and the pulse trigger circuit is connected with a drain electrode of the field-effect transistor MOS1. Through adoption of the constant-current power supply, an instantaneous high voltage and instantaneous high current generated on an input voltage and input current by external electromagnetic wave interference can be eliminated or attenuated, and transmission of voltage and current is kept stable dynamically, so that a stable voltage and stable current can be output, and normal use of electrical appliances is ensured effectively.

The invention discloses a voltage regulation type constant current power supply based on a current detection circuit. The voltage regulation type constant current power supply is characterized by mainly consisting of a processing chip U, a field-effect tube MOS1, a polar capacitor C4, a diode D3, a voltage regulation circuit, a constant current drive circuit, a pulse trigger circuit and a current detector circuit, wherein the voltage regulation circuit is connected with the processing chip U; the constant current drive circuit is connected with a source electrode of the field-effect tube MOS1 and the processing chip U respectively; the pulse trigger circuit is connected with a drain electrode of the field-effect tube MOS1; and the current detection circuit is serially connected between the drain electrode of the field-effect tube MOS1 and the pulse trigger circuit. According to the voltage regulation type constant current power supply, input voltage and current can be eliminated or attenuated due to instant high voltage and instant high current generated by external electromagnetic wave interface, so that the transmission of voltage and current keeps stable dynamically, the output for stable voltage and current can be guaranteed, and normal use of electric appliances is effectively guaranteed.

The invention discloses a granulation system with a thermal protection function. The granulation system with the thermal protection function comprises a rotating shaft, an auxiliary cooling air supplyunit, a temperature monitoring unit and a granulating device, wherein the granulating device is fixed at the top of the rotating shaft. The granulation system is characterized in that the auxiliary cooling air supply unit provides cooling air for the temperature monitoring unit and the granulating device; the auxiliary cooling air supply unit comprises an air duct and an air inlet pipeline; the air duct is connected with a fan through the air inlet pipeline; the temperature monitoring unit and the granulating device are arranged in the air duct; the temperature monitoring unit comprises a plurality of thermocouples, a through aperture conductive slip ring, a rotation stopping piece and a rotation stopping device; and the plurality of thermocouples are arranged in the granulating device, the rotation stopping device is arranged below the granulating device, the through aperture conductive slip ring is arranged on the rotating shaft in a sleeving mode and is fixed on the rotation stopping device through the rotation stopping piece. The granulation system can be widely applied to the fields of steel, metallurgy and the like.

The invention discloses a signal amplification circuit based light-control LED (Light-Emitting Diode) energy-saving control system. The system is characterized by mainly comprising a control chip U1, a luminance sensor, a triode VT1, a voltage stabilizing diode D2, a signal receiving circuit, a polar capacitor C4, a signal amplification circuit, a current regulation circuit and a linear driving circuit, wherein the signal amplification circuit is connected between the signal receiving circuit and a pin ANT of the control chip U1 in series; the current regulation circuit is connected with an emitting electrode of the triode VT1 and the control chip U1, respectively; and the linear driving circuit is connected with the current regulation circuit. According to the signal amplification circuit based light-control LED energy-saving control system, an interference signal in signals output by the luminance sensor can be eliminated so that the signals output by the luminance sensor are accurate, thus the accuracy of the system for signal processing is improved; and meanwhile the current intensity can be effectively regulated, thus steady currents can be output by the system.

The invention relates to the technical field of automobile parts, in particular to a composite multi-effect automobile heat insulation plate which comprises a heat insulation plate body and long flowguide grooves. The heat insulation plate body comprises a heat insulation base layer, a heat insulation protection layer and a sound insulation layer, and the heat insulation protection layer is arranged above the heat insulation base layer and comprises heat insulation mortar and microporous ceramic balls; a reinforcing metal grid is arranged above the heat insulation protection layer, the upperportion of the reinforcing metal grid is coated with a noise reduction damping layer, and a sound insulation layer is arranged above the noise reduction damping layer. A second noise reduction dampinglayer is arranged above the sound insulation layer, and the outer side of the noise reduction damping layer is coated with a heat conduction layer; the section of the heat insulation plate body is ofa continuous waveform structure, and a plurality of long flow guide grooves are formed in the heat insulation plate body at intervals. The composite multi-effect automobile heat insulation plate is simple in structure and high in functionality, has the effects of heat insulation protection and noise reduction, and is high in stability and pressure resistance.

An over-heat and over-current protecting unit for thermomagnetic circuit breaker is composed of current elimiting element, exothermic element, bimetal element, and trip regulating element. It feature that the current limiting element and the exothermic element are integrated into one whole for smaller size.

The invention discloses a voltage-adjustable constant-current power supply based on a constant-current drive circuit, which is characterized in that it mainly consists of a processing chip U, a field effect transistor MOS1, a polar capacitor C4, a diode D3, a voltage adjustment circuit, and a constant-current drive circuit. , the triode voltage regulator circuit connected in series between the voltage adjustment circuit and the constant current drive circuit, the pulse trigger circuit connected with the drain of the field effect transistor MOS1, and the pulse trigger circuit connected in series between the drain of the field effect transistor MOS1 and the pulse trigger circuit Between the current detection circuit composition. The present invention can eliminate or attenuate the instantaneous high voltage and instantaneous high current of the input voltage and current due to external electromagnetic wave interference, so that the transmission of voltage and current can be dynamically kept stable, thereby ensuring that the present invention can output stable voltage and current, and Effectively ensure the normal use of electrical appliances.

The invention discloses a voltage-adjustable constant-current power supply based on a pulse trigger circuit, which is characterized in that it mainly consists of a processing chip U, a field effect transistor MOS1, a polar capacitor C4, a diode D3, a voltage adjustment circuit, and a constant-current drive circuit. A comparison amplifier circuit connected in series between the voltage adjustment circuit and the VDD+ pin of the processing chip U, a pulse trigger circuit connected to the drain of the field effect transistor MOS1, and a pulse trigger circuit connected in series between the drain of the field effect transistor MOS1 Between the current detection circuit composition. The present invention can eliminate or attenuate the instantaneous high voltage and instantaneous high current of the input voltage and current due to external electromagnetic wave interference, so that the transmission of voltage and current can be dynamically kept stable, thereby ensuring that the present invention can output stable voltage and current, and Effectively ensure the normal use of electrical appliances.

The invention discloses a high-resistance filtering-type light-operated LED control system based on a linear driving circuit. The system is mainly formed by a control chip U1, a brightness sensor, a triode VT1, a voltage stabilizing diode D2, a polar capacitor C4, a signal receiving circuit, a current adjusting circuit, a high resistance filtering circuit connected in series between the signal receiving circuit and an ANT base pin of the control chip U1, a linear driving circuit connected to the current adjusting circuit and a buffer type trigger circuit connected in series between the current adjusting circuit and the linear driving circuit. By using the system, an interference signal in signals output by the brightness sensor can be eliminated so that the signals output by the brightness sensor are accurate and signal processing accuracy of the system is increased. Simultaneously, the system can effectively adjust voltage intensity so that the system can be ensured to output a stable current.

The invention discloses a novel dual-end single-pole circuit of an electronic ballast for a fluorescent lamp. The novel dual-end single-pole circuit comprises a common mode inductor, a full-bridge rectification circuit, a filtering and shaping circuit, an oscillation circuit, an open circuit protection circuit and a lamp tube protection circuit, wherein an input end of the common mode inductor is connected with a fuse wire and an inductor L4 and is connected with an L pole of an alternating current 220v; the other end of the common mode inductor is connected with an N pole of the alternating current 220V. According to the novel dual-end single-pole circuit of the electronic ballast for the fluorescent lamp, protection circuits are completely designed for the circuit; the novel dual-end single-pole circuit has the functions of open circuit protection, overcurrent protection and overheat protection. A single-pole high-efficiency electronic ballast for the fluorescent lamp has the advantages of being high in efficiency, long in service life and soft in light ray, being environment-friendly and energy-saving and protecting an eye, and the like.

The invention belongs to the technical field of integrated control devices for vehicles, and particularly relates to an integrated control device for a fuel cell vehicle and an overcurrent protectioncontrol method. Specifically, the control device comprises a control main board, a first loop and a second loop, the first loop and the second loop are both connected with the control main board, thefirst loop is used for controlling air conditioner output and DC/DC power distribution output on the whole vehicle, and the second loop is used for controlling power distribution output of other high-voltage devices on the whole vehicle. The invention aims to solve the problem that a traditional four-in-one integrated control device is not high in integration degree and has potential safety hazards and energy waste. Through the first loop and the second loop which are connected with the control main board, the power distribution requirements of a fuel cell bus in the driving state and the charging state are met, high integration is achieved, the cost is reduced, and high efficiency, power saving and safety are achieved. Meanwhile, through an oil pump temperature acquisition module and an air pump current acquisition module which are connected with a CPU, the whole device has oil pump motor overheating protection and air pump motor overcurrent protection functions, and is reliable and worry-saving.