49results about How to "Realize electronic control" patented technology

The invention provides a method for directly deoxygenizing ferro-nickel in a shaft furnace by using a laterite nickel ore as a raw material, which relates to a method for deoxygenizing the ferro-nickel. The method aims to solve the problems that the prior method for smelting the ferro-nickel has high investment, high production cost, low automation degree, high carbon content in the produced ferro-nickel and low productivity. The method comprises the following steps: selecting the laterite nickel ore as the raw material of which the mass of the nickel accounts for 0.75 to 2.60 percent of the total mass of the laterite nickel ore and the iron mass accounts for 8.00 to 55.0 percent of the total mass of the laterite nickel ore; and filling the laterite nickel ore and a reducing agent into the shaft furnace according to the weight ratio of 1.00:0.08-0.25, and then performing preheating and drying, heating deoxygenization, tapping, crushing, ball milling, magnetic separation and briquetting to obtain the qualified directly deoxygenized ferro-nickel, wherein the preheating and drying temperature is between 700 and 900 DEG C, the preheating and drying time is between 2 and 4 hours, the heating deoxygenization temperature is between 900 and 1,300 DEG C, and the heating deoxygenization time is between 4 and 8 hours. The method has the advantages of less investment, high productivity, stable process, simple operation, low carbon content in the produced ferro-nickel, high degree of mechanization, and low operating cost.

The invention relates to an electronically controllable pneumatic brake system (100), comprising: at least two brake circuits (A, B, C), wherein at least one of the at least two brake circuits (A, B,C) is assigned an electrically and pneumatically controllable control valve (11, 13) for specifying brake pressures (p1, p2, p3, p4, pPB) for controlling wheel brakes (1, 2, 3, 4) of the associated brake circuit (A, B, C); and a first control unit (110), which is designed to electrically control the control valve (11, 13) in question in accordance with a vehicle target deceleration (zSoll) requested in an automated manner or in accordance with an actuation (ds) specified by the driver by means of an actuation device (24a). According to the invention, at least one bypass valve (21) associated with a control valve (11, 13) is also provided, which bypass valve is designed to pneumatically (pA, pB) control the associated control valve (11, 13), wherein the pneumatic control (pA, pB) is performed in accordance with the vehicle target deceleration (zSoll) requested in an automated manner or in accordance with the actuation (ds) specified by the driver.

The invention discloses an electric control valve which belongs to the technical field of water heating valves. The electric control valve is characterized in that a water outlet in a valve body is matched with a piston and a lower sealing piece at the lower end of the piston to control the opening and the closing of the valve; a memory alloy is electrified to deform and expand to push a magnetic ring, a magnetic cylinder, the piston and the sealing piece to close the valve, thus another electric control mode of the valve is realized. When the electric control valve works, unsafe factors are eliminated by low-voltage drive.

The present invention provides a satellite gear on-off device, composed of a planetary gear and a hydraulic motor. The output moment of the hydraulic motor controls either one of planetary gear three basic elements as controlled element via a transmission gear, the planetary gear has clutch and infinitely variable functions. The advantages of the invention is that ''off'', ''on'', ''semi on-off'' are conveniently controlled by controlling the planetary gear using the hydraulic motor, infinite variable speed is processed in a certain range, the device replaces the present friction clutch, the clutch of vehicle is intelligently controlled by electricity, instead of step the clutch pedal, greatly reducing labor intensity of driver. The clutch device complete replaces the fluid-flywheel clutch used in the present automatic transmission, and the performance efficiency is greatly enhanced, and having great utility value.

The invention discloses a method for heating and starting a silicon core rod of a polysilicon hydrogen reduction furnace, which includes the following steps: the doping treatment of the silicon core rod so as to reduce the resistivity to 0.05-0.1 Omega. cm, a conventional power supply is provided to heat the doped silicon core rod, and bake the undoped silicon core rod on the external circle with the rising of the temperature; when the undoped silicon core rod on the external circle is baked and the temperature raises to 600-650 DEG C and the resistivity drops to 0.05-0.1 Omega. cm, heat the undoped silicon core rod with the conventional power supply. The invention leads the silicon core rod to be heated and started initially by the conventional power supply at ordinary temperature, no start-up device or equipment is needed and the heating and starting procedure is very simple.

The invention discloses a high-pressure grinding material air jet grinding material flow control device and a control method thereof. The device comprises an air inlet pipe and a grinding material tank. The right end of the air inlet pipe is connected with a high-pressure air source; the air inlet pipe is connected with a high-pressure control valve; a high-pressure air pipe with the left end provided with an ejecting spray nozzle is connected to the left side of the high-pressure control valve; the ejecting spray nozzle is in screw joint with a right end opening of a jet flow tee joint; the upper end of the grinding material tank is sealed and provided with a charging opening communicating with the atmosphere; the lower end of the grinding material tank is in sealed connection with a screw conveying device; a blanking switch is disposed in the connection position between the grinding material tank and the screw conveying device; the screw conveying device is connected with a driving motor; the lower portion of the screw conveying device is in sealed connection with an upper end opening of the jet flow tee joint; the right end opening, at the lower end of the screw conveying device, of the jet flow tee joint is connected with the ejecting spray nozzle; and air flow can form a negative pressure zone at the upper end of the ejecting spray nozzle so as to avoid the situation that the air flow reversely flows to the screw conveying device and consequently falling off of a grinding material is blocked. The high-pressure grinding material air jet grinding material flow control device is simple in structure and a working method is convenient to implement and feasible.

The invention provides a gear shifting executor. The gear shifting executor comprises an executor shell, a driving mechanism, a transmission structure and a position detection mechanism. The driving mechanism is arranged in the executor shell, the transmission structure is connected with the driving mechanism and a gear shifting shaft of a transmission, and the position detection mechanism is arranged on the executor shell and connected with the transmission structure. The transmission structure comprises a synchronous belt transmission mechanism, a worm gear transmission mechanism and a gear transmission mechanism. The synchronous belt transmission mechanism is connected with the driving mechanism, the worm gear transmission mechanism is connected with the synchronous belt transmission mechanism and parallel to the driving mechanism, and the gear transmission mechanism is in close connection with the worm gear transmission mechanism. The gear shifting shaft of the transmission and the position detection mechanism are arranged on two sides of the gear transmission mechanism respectively. The gear shifting executor has advantages of structural compactness, small space occupancy, reliability in operation, low vibration and accuracy in control.

The invention provides a coffee maker, which comprises a main machine (1), a capsule base (2) and a power supply control pedestal (3). The main machine comprises a main machine shell (101), an inner container (103) positioned inside the main machine shell (101), a heating device suitable for heating a liquid in the inner container (103), and a container (106) which is positioned above the inner container (103) and suitable for connecting the inside of the inner container (103). The capsule base is detachably connected with the lower end of the main machine (1). The power supply control pedestal is detachably connected with the outer side of the main machine shell (101), and is suitable for supporting the main machine (1) and powering and controlling the main machine (1). The coffee maker provided by the invention adopts a modular structure, which facilitates usage of equipment in different environments and is convenient for dismantling and maintenance and cleaning.

The embodiment of the invention discloses a SIM card cassette and a mobile terminal. The SIM card cassette is used for realizing the electric control for enabling the SIM card tray to enter and exit the SIM card containing cavity; the SIM card cassette comprises the SIM card containing cavity, the SIM card tray, a micro motor and a transmission device; the SIM card tray is used for carrying an SIM card to enter and exit the SIM card containing cavity under the effect of the transmission device; the SIM card containing cavity is used for limiting the entering-exiting direction of the SIM card tray as the target direction; and the micro motor is used for driving the transmission device.

The invention relates to a bus-based high-integration automobile LED headlight controller, which comprises an MCU, a far and near light driving circuit, a steering lamp LED driving circuit, a fog lampLED driving circuit, a daytime running light / position lamp LED driving circuit, a temperature sampling circuit, a headlight height adjusting dimming motor control circuit and a transceiver, wherein the MCU is communicated with a superior system through the transceiver; and the far and near light driving circuit, the steering lamp LED driving circuit, the fog lamp LED driving circuit, the daytimerunning light / position lamp LED driving circuit, the temperature sampling circuit and the headlight height adjusting dimming motor control circuit are respectively connected with the MCU. The bus-based high-integration automobile LED headlight controller has the advantages that each path of driving circuit, the headlight height adjusting dimming motor control circuit and the far and near light switching electromagnetic valve are controlled by the MCU, so that the number of wiring harnesses of the whole automobile is reduced, the weight of the whole automobile is reduced, electronic control isrealized, and the reliability is better; and MCU obtains the diagnostic information of the electromagnetic valve and LED through a feedback interface, which is convenient to protect parts in the controller, and reduces the possibility that the burnout of the wiring harnesses.

The invention discloses a preparing method of a barium zirconate titanate thin film pressure control varactor. The preparing method comprises the steps of firstly weighing raw materials of BaCO3, ZrO2and TiO2 according to the stoichiometric ratio of BaZr0.2ToO0.8O3 and baking BaZr0.2Tii0.8O3, namely a BZT target material, at 1,200 DEG C; putting a Pt-Si substrate onto a pulse laser depositing product table, vacuumizing a background of a pulse laser depositing system to P<4.0x10<-4> Pa and then heating the substrate to 350-750 DEG C; opening a gas inlet valve, introducing oxygen into the system and depositing on the Pt-Si substrate to obtain BaZr0.2Ti0.8O3 thin film with the thickness being 150-300 nm; utilizing a chrome mask to prepare a metal electrode on the BaZr0.2Ti0.8O3 thin film toobtain the barium zirconate titanate thin film pressure control varactor. The tunability of the barium zirconate titanate thin film pressure control varactor is larger than or equal to 60%, the testing frequency is 100 kHz, the device stability is high, the preparing technology is simple, the electrical properties are high, and the application prospect is good.

The invention discloses a pin hole apparatus. The pin hole apparatus comprises a stepping motor, two movable sliding blocks, two slice loading stages and two slices; and the front end of the screw of the stepping motor is provided with a pin-shaped nut, the slices are arranged on the slice loading stages respectively, and the slice loading stages are arranged on the movable sliding blocks respectively. The two slices are respectively provided with a hole, holes of the two slices are superposed up and down to form a pin hole, and the size of the pin hole is determined by the superposed area of the holes of the two slices; and the stepping motor controls the pin-shaped nut to move linearly in order to rotate the two movable sliding blocks, and the size of the pin hole can be adjusted through the rotation of the movable sliding blocks. The invention also discloses a pin hole adjusting method. The pin hole apparatus can realize electrically controlled continuous adjustment of the size of the pin hole, has a precise and accurate position electron feedback ability, can acquire accurate pin hole dimension parameters, and makes a confocal system have strong imaging ability.

The invention provides an electronic lock cylinder and an anti-theft door. The electronic lock cylinder comprises a first knob, a lock liner, a first rotating shaft, a first connecting piece, a shifting block and an electric driving assembly, wherein the first knob is fixedly connected with the lock liner, the lock liner is used for insertion of a mechanical key and is connected with the first connecting piece after the correct mechanical key is inserted, the first rotating shaft is movably arranged on the side, away from the first knob, of the lock liner and rotates together with the lock liner, the first connecting piece is fixedly connected with the shifting block, the shifting block is used for being rotationally connected with the lock body to achieve opening and closing, and the electric drive assembly is used for controlling the first rotating shaft to move so that the first rotating shaft can be connected with the first connecting piece. According to the electronic lock cylinder, electronic control is achieved by adding the first rotating shaft and the electric drive assembly, electronic unlocking is completed, unlocking can be controlled through a mobile phone and the like on the basis that the unlocking function of a mechanical lock cylinder is kept, the electronic lock function is achieved, unlocking is more convenient, and the safety performance is better. The appearance is consistent with that of a mechanical lock cylinder, replacement is convenient, and cost is low.

The invention provides a double-mode control gas stove. The gas stove comprises a bottom shell with an upper opening, a panel, a burner, a gas regulating valve and a gas distributing rod and further comprises a dry-burn prevention burner, a band switch assembly, a main control panel, a control box and an electric valve, wherein the dry-burn prevention burner comprises an inner jet pipe, an outer jet pipe and a telescopic temperature sensor; the telescopic temperature sensor, the band switch assembly and the electric valve are connected with the main control panel, the main control panel is arranged in the control box, and the control box is arranged in the bottom shell; the electric valve communicates with the gas distributing rod and cooperatively works with the inner jet pipe and the outer jet pipe of the dry-burn prevention burner; and a manual mode is started when the band switch assembly anticlockwise rotates, and an automatic control mode is started when the band switch assemblyclockwise rotates. The band switch assembly can realize gear rotation and electronic control, and the band switch assembly also can realize automatic control according to cooking classes after being turned on, so that the use is convenient.

The invention provides a single-channel optical super-resolution imaging instrument which at least comprises an excitation light source module and an imaging, scanning and detecting module, wherein the excitation light source module comprises an optical laser, an acousto-optic modulator and an optical fiber coupler; the optical laser, the acousto-optic modulator and the optical fiber coupler are arranged in sequence; the optical axes of the optical laser, the acousto-optic modulator, a frequency scanning and selecting device and the optical fiber coupler are positioned on the same straight line; the imaging, scanning and detecting module comprises two lenses, a polarization beam splitter, a microscope objective, a sample stage and an imaging device; the optical axes of the lenses, the polarization beam splitter and the microscope objective are positioned on the same straight line and the optical axes of the imaging device and the polarization beam splitter are positioned on the same straight line. According to the invention, a single-channel frequency scanning, resonance excitation and polarization filtering combined method is adopted, so that the single-channel excitation super-resolution imaging of samples is realized. The single-channel optical super-resolution imaging instrument provided by the invention is simple in structure, obvious in effect and applied to the technical field of experiential and industrial super-resolution imaging.

The invention discloses a device and a method for generating micro-fluidic droplets based on surface acoustic waves. The device comprises a piezoelectric substrate, a set of curved interdigital transducers is arranged on the piezoelectric substrate, a closed PDMS micro-channel system is applied to the upper part of the piezoelectric substrate, and the closed PDMS micro-channel system is formed bytop PDMS and a PDMS sealing film. The method comprises the following steps: fixing the micro-fluidic droplet generating device on the objective table of a microscope, switching in the micro-fluidic droplet generating device, and setting the pressures of a dispersed phase inlet joint and a continuous phase inlet joint; and connecting a signal generator with the curved interdigital transducers, adjusting the output signal of the signal generator, turning on a syringe pump, adjusting and stabilizing the two-phase interface position of a dispersed phase and a continuous phase, and generating the micro-fluidic droplets. The device and the method realize the electric control of the formation rate and the size of the droplets; and the device has a small size and can be integrated with other devices, so the repeatability is enhanced, and cracks between channels, caused by overlarge pressure of an input fluid, are reduced.

The invention provides a manual-automatic integral transmission which is used for solving the problems that an existing outdated manual transmission is extremely high in operation fatigue degree, extremely low in efficiency, high in oil consumption of a gearbox of a hydraulic torque converter, and not prone to adjustment of vehicle speeds. The manual-automatic integral transmission comprises a gear shift operating device, a gear case, a hydraulic system, a control device and a trip computer, wherein the gear shift operating device is used for sending a manual / automatic mode switching signal and a gear shift operating signal, the gear case is used for achieving manual / automatic mode switching or a gear shift operation, the hydraulic system is used for controlling the gear case to work, and is connected with the gear case, the control device comprises a revolution speed transducer which is used for converting a revolving speed of wheels to an electric signal, and the trip computer is used for carrying out calculation, processing and judgment according to the obtained manual / automatic mode switching signal, the gear shift operating signal and the electric signal, and controlling the hydraulic system to work, and is connected with the gear shift operating device, the revolution speed transducer and the hydraulic system. The manual-automatic integral transmission achieves electronic control, and is simple in operation, rapid, intelligent, low in fatigue degree and high in efficiency.

The present invention provides a mud gun source gun drill integrated drilling mechanism. The mud gun source gun drill integrated drilling mechanism comprises a lower drilling rod, a mud gun sleeves on an inner cavity of the lower drilling rod, and the mud gun and the lower drilling rod form an integrated structure. The side wall at the lower part of the mud gun is equipped with a mud gun nozzle, the bottom side wall of the lower drilling rod is equipped with a high pressure air nozzle, the mud gun nozzle and the high pressure air nozzle correspond to and are overlapped with each other, and the bottom end of the lower drilling rod is connected with a drill. The mud gun source gun drill integrated drilling mechanism also comprises an upper drilling rod, the upper and lower drilling rods are equipped with spiral gas gun cables, and the upper ends of the gas gun cable are extended out of the upper drilling rods to be connected with electrical slip rings. The inner wall of the lower drilling rod is equipped with a wear resistant anti-collision liner, the mud gun matches the wear resistant anti-collision liner tightly, and the upper and lower drilling rods are in locking pin type rapid connection. The mud gun source gun drill integrated drilling mechanism of the present invention is suitable for the mud gun drilling mechanism on the mud, hard sand plate and sandstone hard surface medium conditions, covers the all surface structures of the mud gun works, is gun drill integrated, and is high in working efficiency.

Provided is a device with a remote control gear shifting function. A clutch operation mechanism, a shifting fork gear shifting mechanism, a gear shifting operation mechanism and an automatic control mechanism are integrated, an automatic control hydraulic operation mechanism is adopted as the clutch operation mechanism, two sets of shifting forks are integrated into one gear shifting mechanism through an electric push rod and an electromagnet, and shifting fork shaft section is automatically controlled. Meanwhile, a shifting fork shaft is automatically controlled to move to be engaged and disengaged with a self-locking clutch, and therefore electronic and remote gear shifting is achieved. The device is especially suitable for being applied to the field of low-speed running farmland operation mechanical equipment with a hydraulic source.

The invention provides an integrated electric vehicle wheel. An axle is also a stator shaft of a motor; a tire is mounted on a housing of a rotor; the rotor and the tire are integrated; during driving, the rotor and the tire rotate together; a stator winding uses a bifilar winding; a lead wire of the stator winding leads out of an armature through six lead wire holes specially formed in a bearing support; the stator shaft is fixed on a chassis normally through a shock absorber; the lead wire of the winding is connected with a control part of a main control electronic circuit; the rotor is made of neodymium iron boron permanent magnet steel and inlaid on a magnetic steel fixing ring made of ABS hard plastic; the fixing ring is connected with a steel ring outside the fixing ring; the tire is arranged outside the steel ring; the steel ring is also the loop of a magnetic line of force; and the control part is controlled through an integrated electronic circuit. By adopting the technical scheme, atmosphere pollution is reduced, since an original transmission system and an original gearbox system are eliminated, electronic control is realized, the vehicle structure is simplified greatly, useless power consumption of the vehicle is reduced, the purpose of saving more energy is achieved, and meanwhile, the vehicle cost is reduced greatly.

The invention provides an electronic product aging testing device which comprises the components of variable-voltage testing boards, a base, connecting troughs, a first timing switch controller, indicating lamps, testing interfaces, a supporting board and a rheostat. The ten connecting troughs are equidistantly arranged on the upper end of the base. The connecting troughs are connected through a parallel circuit. The upper end of each connecting trough is provided with a variable voltage testing board. The left side of the variable voltage testing board is provided with the first timing switch controller. The electronic product aging testing device realizes automatic switching-off of current applied to an electronic component; the testing interface are welded on the upper end of the supporting board; the testing interfaces are connected through the parallel circuit; the upper end of the supporting board is provided with the indicating lamps which are in one-to-one correspondence with the testing interfaces; and the upper end of the supporting board is provided with the rheostat. The electronic product aging testing device realizes suitability for aging tests of various electronic components with different voltages and interface types. The electronic product aging testing device has advantages of high convenience in use, high stability, high reliability, high functionality, wide application range, convenient mounting and convenient detachment.

The invention relates to an intelligent miniature circuit breaker which comprises a shell and a handle, an operating mechanism, a tripping mechanism and an electric breaking-closing mechanism which are arranged in the shell, wherein the electric breaking-closing mechanism comprises a circuit board, a motor, a worm, a turbine, a linkage gear, a driving gear and a handle gear; a metering unit is arranged on the circuit board, the circuit board is arranged between the tripping mechanism and the shell, the motor is arranged on the circuit board, the worm is connected to an output shaft of the motor and is in linkage connection with the linkage gear and the driving gear by the turbine, the turbine and the linkage gear are arranged between a contact board and a circuit board, a section driving gear is fixed on the driving gear and is meshed with the handle gear, the handle gear is a section gear and is coaxially connected with a handle, and the handle is connected with a jump pin by a connecting rod. According to the invention, the functions of electric energy metering, short circuit protection, electronic protection, fee-controlled breaking and automatic reclosing are realized in one module.

The invention relates to the technical field of mining hoisting winches and discloses a novel mechanical speed-regulating mining hoisting winch electro-hydraulic integrated control device for controlling a mining hoisting winch provided with a disc-shaped speed-regulating brake and a disc-shaped brake. The electro-hydraulic integrated control device comprises an explosion-proof hydraulic station providing pressure oil to the disc-shaped speed-regulating brake and the disc-shaped brake through two independent oil ways respectively, and an explosion-proof main control console controlling the work of the explosion-proof hydraulic station. The electro-hydraulic integrated control device enables the operating speed of a mine car to be low and can lift a heavy object to be in an optimal state when achieving starting speed required by the winch, and is safe in stopping and reliable in braking.

The invention discloses an automobile hydraulic brake system, which comprises a vacuum booster, a main brake cylinder and an ABS pump; a front cavity of the vacuum booster is connected with a vacuum source, and a pressure sensor is arranged on a pipeline between the ABS pump and the main brake cylinder; the pressure sensor is connected with a controller; a vacuum valve opening of the valve core of the vacuum booster is connected with a hose, and the hose is connected with the vacuum source through a normally-open electromagnetic valve after crossing through the outer wall of the front cavity of the vacuum booster; a normally-closed electromagnetic valve connected with air is arranged on the pipeline between the normally-open electromagnetic valve and the hose; the normally-open electromagnetic valve and the normally-open electromagnetic valve are connected with the controller. Through the pressure sensor, the brake system pressure feeds back in real time; the controller controls the pushing or retreating amount of a push rod of the vacuum booster according to pressure of the brake system, thus the electronic control of the automobile brake fluid system is realized on the basis of original manual control; the safety and reliability are improved.

The invention discloses a mud gun vibrating source gun drill integrated drilling type gun lowering mechanism, which includes a lower drill rod, and a mud gun is sleeved in the inner cavity of the lower drill rod, and the mud gun and the lower drill rod form an integrated structure. A mud gun nozzle is provided on the side wall of the lower part of the mud gun, and a high-pressure air nozzle is provided on the bottom side wall of the lower drill pipe. The upper drill rod is also included. The upper drill pipe and the lower drill pipe are provided with a spiral air gun cable, and the upper end of the air gun cable extends out of the upper drill pipe and is connected with an electrical slip ring. The inner wall of the lower drill pipe is provided with a wear-resistant and anti-collision lining, and the mud gun is closely fitted inside the wear-resistant and anti-collision lining. The upper drill rod and the lower drill rod are quickly connected with lock pins. The invention is applicable to the lowering mechanism of the mud gun under the medium conditions of mud, hard sand board and sandstone hard surface, covers all the surface structures of the mud gun operation, has an integrated gun drill, and has high operating efficiency.

The invention discloses an entry-exit cargo inspection and quarantine device and system. The device comprises a check component and a control component, wherein the check component is configured to acquire information of freight notes of entry-exit cargoes and quality control and inspection forms of an electronic China inspection and quarantine (e-CIQ) data center, and check and compare the information of the freight notes and similar items in the quality control and inspection forms, so as to obtain a comparison result; the control component is configured to send a control instruction to a cargo transportation department, so that the cargo transportation department can manage the entry-exit cargoes according to the control instruction; the control instruction is determined according to the comparison result. Through adoption of the technical scheme, supervision loopholes can be reduced, the supervision level is improved, and the release efficiency is increased.

The invention relates to covering machine equipment, in particular to a telescopic girder of a stacking automatic covering machine. The stacking automatic covering machine comprises a stand column, fixed beams, telescopic beams and a walking trolley, wherein a traction device and the fixed beams are sequentially arranged on the stand column from top to bottom, the walking trolley is arranged at the bottom of the stand column, counterweight iron is arranged at one ends of the fixed beams, the telescopic beams are arranged at the other ends of the fixed beams, and a driving device is arranged onthe telescopic beams; the telescopic girder is structurally improved on the basis of a traditional lever girder, and the requirement for the length of the girder is met by adopting a mode of end-to-end sleeving and extending. According to the telescopic girder of the stacking automatic covering machine, the traction device which is in matched connection with the telescopic girder through a steelwire rope is arranged at the top of the stand column, the driving device which is in matched connection with the telescopic girder through a motor is arranged in the middle of the stand column, electronic control of the telescopic girder in the stretching process can be realized by arranging the traction device and the driving device, the stability and the use strength of the telescopic girder inthe stretching process are increased, and the working efficiency is greatly improved.

The invention provides an electronic product aging testing device which comprises the components of variable-voltage testing boards, a base, connecting troughs, a first timing switch controller, indicating lamps, testing interfaces, a supporting board and a rheostat. The ten connecting troughs are equidistantly arranged on the upper end of the base. The connecting troughs are connected through a parallel circuit. The upper end of each connecting trough is provided with a variable voltage testing board. The left side of the variable voltage testing board is provided with the first timing switch controller. The electronic product aging testing device realizes automatic switching-off of current applied to an electronic component; the testing interface are welded on the upper end of the supporting board; the testing interfaces are connected through the parallel circuit; the upper end of the supporting board is provided with the indicating lamps which are in one-to-one correspondence with the testing interfaces; and the upper end of the supporting board is provided with the rheostat. The electronic product aging testing device realizes suitability for aging tests of various electronic components with different voltages and interface types. The electronic product aging testing device has advantages of high convenience in use, high stability, high reliability, high functionality, wide application range, convenient mounting and convenient detachment.

The invention discloses an intelligent waterproof garage which comprises a garage body and a garage door. The intelligent waterproof garage further comprises a garage door opening and closing unit, a storing slope stretching and retracting unit, a garage door sealing unit and a control unit. The garage door opening and closing unit comprises a guide rail fixedly arranged at the top of the garage body. The guide rail is slidably connected with a horizontal movement trolley. The horizontal movement trolley is connected with the control unit through a driving device. A first opening and closing structure is arranged between the horizontal movement trolley and the inner wall of the garage door. The storing slope stretching and retracting unit comprises a slope push rod device and a storing slope. A second opening and closing structure is arranged between the slope push rod device and the storing slope. The garage door sealing unit comprises sealing push rod sets which are symmetrically arranged on the two sides of the inner wall of the garage body. The sealing push rod sets are fixedly connected to movable columns arranged on the garage body, and the telescopic ends of the sealing push rod sets are connected to sleeve rings fixedly arranged on the inner wall of the garage door in a clamped mode. The control unit is electrically connected with the garage door opening and closing unit, the storing slope stretching and retracting unit and the garage door sealing unit.