55results about How to "With security protection" patented technology

The invention discloses an operating mechanism of a direct-acting three-position isolation switch. The operating mechanism comprises a driving shaft A, a driving shaft B and a driving shaft C which are arranged in parallel; a chain wheel A, a chain wheel B and a chain wheel C are arranged on the driving shaft A, the driving shaft B and the driving shaft C respectively; and the driving shaft A, the driving shaft B and the driving shaft C are linked with one another through transmission chains. The operating mechanism is characterized by further comprising a driving motor; and a transmission gear set is arranged between an output shaft and a driving shaft C of the driving motor. By the scheme of the invention, transmission parts are reduced; the cost is reduced, the structure is simple, the weight is light; and the three-position switch is safely protected.

The invention discloses an uncapping device for a vacuum test tube uncapping machine. The uncapping device comprises an uncapping frame, an uncapping frame lifting and driving device, an uncapping plate, an uncapping plate driving device and an ejector rob; the uncapping frame comprises an upper uncapping frame and a lower uncapping frame; the uncapping plate is arranged between the upper uncapping frame and the down uncapping frame; through holes through which a test tube passes are distributed on the upper uncapping frame and the low uncapping frame; the number and the positions of the upper uncapping frame are in one-to-one correspondence with the number and the positions of the lower uncapping frame; uncapping driving gears which are driven by a motor to rotate are distributed on the upper uncapping frame; each uncapping gear is provided with a rubber ring; the inner diameter of the rubber ring is so large that the rubber ring can be rightly sleeved on the cover of the test tube; and each uncapping gear corresponds to one through hole on the upper uncapping frame and the uncapping gear is arranged on the through hole. The invention discloses the vacuum test tube uncapping machine with the uncapping device. The uncapping device has the advantages of simple structure, low cost, small volume, high safety, and high efficiency and is easy to manufacture and can open vacuum test tubes with screw covers and straight covers.

The filter plate includes base plate of transparent resin or base plate of glass. Using method of consecutive magnetron sputtering coats film layer capable of anti electromagnetic radiation and filtering function on one surface of base plate. Being in use for preventing coated film layer from oxidating or eroding, resin layer is coated on the film layer. Being bound through conducting resin, the metal platinum piece being as extraction electrode is contacted to the coated film layer. The said coated film layer includes 13 layers or 17 layers composed of repeated film series of TiO2 / ZnO (or SnO2) / Ag / NiCrOx (or NiCrNx) / TiO2. Resin layer is methyl silicone resin. The invention reduces cost greatly, possesses advantages of high production efficiency, high intensity, high transmittance, anti electromagnetic radiation, good light filtering effect, and long service life.

The invention discloses a high-voltage power supply of an electrostatic dust collector, which comprises a switch stabilized voltage power supply, a high-voltage power supply and a current-voltage control circuit. The high-voltage power supply of the electrostatic dust collector is also connected with an automatic regulation module; the automatic regulation module consists of a current sampling circuit, a pulse converting circuit, a logic gate array and an amplifying circuit which are connected in turn; the automatic regulation module detects the magnitude and duration of the current loaded bythe high-voltage power supply; and an output of the automatic regulation module is connected with the current-voltage control circuit and provides different reference voltages for the current-voltagecontrol circuit respectively. The high-voltage power supply of the electrostatic dust collector is controlled by multi-shift constant-current limit voltage, implements multi-shift automatic control for an electrostatic power supply and automatic alarm for power supply failure, and has the advantages of complete function, good adaptability and excellent technical performance.

The invention discloses an LED intelligent helmet worn for a bicycle, and relates to the technical field of a riding article. The LED intelligent helmet comprises a helmet body, wherein a rear reminding lamp region is formed in the upper part of the back side of the helmet body; a rear reminding lamp group is fixedly arranged in the rear reminding lamp region; a left reminding lamp region is formed in the left side of the lower part of the back side of the helmet body; a right reminding lamp region is formed in the right side of lower part of the back side of the helmet body; a rear left steering lamp group is fixedly arranged at the upper side inside the left reminding lamp region; a rear left braking lamp group is fixedly arranged at the lower side inside the left reminding lamp region;a rear right steering lamp group is fixedly arranged at the upper side inside the right reminding lamp region; a back right braking lamp group is fixedly arranged at the lower side inside the right reminding lamp region; a front right lamp region is formed at the right side of the front side of the helmet body; and a front left lamp region is formed at the right side of the front side of the helmet body. The behaviors of the head and the bicycle body of a riding bicycle are sensed through an angle sensor and a speed sensor; signals are fed back to an MCU module; the MCU module controls the light-up conditions of a LED lamp assembly by analyzing the information; and reminding is performed according to different light-up conditions.

The invention discloses a fuel gas pressure regulation device for a city gas gate station. The fuel gas pressure regulation device for the city gas gate station comprises a filtering purification system 1, a metering system 2, a safety protection facility system 3, a pressure regulation system 4, a valve system 5, a heat exchange system 6, a leakage alarm controller and sound-light alarm system 7, a pressure transmitting system 8, a temperature transmitting system 9, and a data collection system 10. The fuel gas pressure regulation device (skid-mounted device) for the city gas gate station is the key equipment for a natural gas long-distance transport pipeline to enter a city pipe network and has the functions of purification, metering, pressure regulation, distribution, safety protection and the like, a fuel gas alarm system, an automatic control system and an odorizing device can be arranged according to requirements, and the pressure-regulation gas gate station is generally of a skid-mounted structural form. The fuel gas pressure regulation device for the city gas gate station can be widely used for transportation and distribution stations, city gas gate stations, regional pressure regulation and the like.

The invention relates to the technical field of lithium ion battery recycling, in particular to lithium ion battery charged pretreatment equipment and a treatment method. The lithium ion battery charged pretreatment equipment designed by the invention comprises a wet type crusher, a powder material recovery tank, a screen net conveyor belt, a material collection conveyor belt, a belt type vacuum filter press and a boiling dryer. By means of the lithium ion battery charged pretreatment equipment and the treatment method, automatic material feeding, charged wet type crushing, solid-liquid separating, material collecting, material drying and automatic material discharging are integrated into a whole, charged crushing and harmless treating of lithium ion batteries can be realized, the lithiumion batteries of various specifications and models can be treated, furthermore, harmless operations are performed on the lithium ion batteries, and the lithium ion battery charged pretreatment equipment is simple in structure and high in integration level.

The invention aims at providing a method for realizing paperless printing by using RFID and a Bluetooth wireless technology, which can effectively solve the problems of long time for customers to wait, environment pollution and serious waste. The invention relates to a method for realizing paperless printing by using the RFID and the Bluetooth wireless technology. The invention has the advantages of realizing paperless printing of consumer lists and having a certain safety protective function for personal consumption data by using large-scale generalized personal communication equipment through the software design, simultaneously helping supermarkets, restaurants and other consumer places save large amount of printing cost and shortening the time for the customers to wait in queue; and in addition, consumer data are packaged by using a multimedia message file format, thus the invention has better multimedia effect and reduces the consumption of resources.

An intelligent electronic monitor cabinet for the diesel engine of ship is used as an intermediate link between diesel engine and high-level monitor system, and is composed of cabinet body, panel, indication unit on panel, display and alarm unit, button operating unit, pressure sensor and monitor unitor, intelligent monitor and processing unit, and relay unit. Its advantage is complete functions.

The invention discloses a pressurized masticator for rubber and plastic. The pressurized masticator comprises a heating and cooling system, a pneumatic control system, a pressing device and a mixing kneading mechanism. The mixing kneading mechanism is arranged on a base, and comprises a mixing kneading chamber, a front rotor shaft and a rear rotor shaft. The front rotor shaft and the rear rotor shaft are connected with a gear box which is connected with a reducer. The reducer is connected with a main motor through a belt transmission device, and the mixing kneading chamber is provided with a turnover mechanism, and connected with a hopper. The hopper is provided with the pressing device which is fixed through a rack on the base. The pressurized masticator for the rubber and plastic has the advantages of being simple in structure, convenient to assemble and maintain, stable in transmission performance, and high in efficiency, and having safe protection function when overloaded.

The invention relates to a method for realizing electronic document transmission by means of RFID (radio frequency identification) and AES (advanced encryption standard) encryption technology, which aims to solve the problem that various consumption detailed lists and various reports need to be printed in various consumption places, so that paper and toner of printers are greatly consumed. The method includes the steps: generating an RFID electronic tag for a customer according to personal ID (identification) number information; utilizing an RFID reader to read RFID electronic tag information and upload the information to a central server when the customer is in consumption; authorizing consumption after the central server checks the information; after consumption, leading the central server to generate personal information and consumption data of the customer into an electronic report document according to predefined templates, encrypting the electronic report document by using a personal password of the customer as a secret key and by means of an AES encryption algorithm, and sending the electronic report document to the customer via a text, a multimedia message or an email. By the aid of the method, electronic document transmission is realized, personal data are safely protected to some degree, and a great number of printing costs are saved.

The present invention is to provide a building intercom alarm system which is characterized in that the building intercom alarm system comprises intercom devices, alarm buttons, alarm input wires, processors, first decoders, microphones, loudspeakers, cameras, indoor units, floor distributors, connection network cables, a network switch, a center management main machine, a monitoring server, a second decoder, an alarm device, a visual intercom and doorway management machines. Each indoor unit is internally provided with the intercom device; the lower end of each intercom device is provided with the processor; the intercom device is electrically connected with the processor; the lower end of each processor is provided with the first decoder; and the processors are electrically connected with the first decoders respectively. The beneficial effects of the building intercom alarm system are that the system can be in wired or wireless communication with a residence community property management center or community guards through the center management main machine, thereby achieving the safety protection functions of preventing thefts, disasters and coal gas leakage and the like, and providing maximum guarantee for life and property safety of a house owner.

The invention discloses a fuel gas pressure regulating device of an urban gate station. The fuel gas pressure regulating device comprises the following ten systems: 1, a filtering and purifying system; 2, a metering system; 3, a safety protecting facility; 4, a pressure regulating system; 5, a valve; 6, a heat exchanging system; 7, a leakage alarming controller and a sound-light alarming system; 8, a pressure transmitting system; 9, a temperature transmitting system; and 10, a data acquiring system. The fuel gas pressure regulating (skid-mounted) device of the urban gate station is the key equipment for introducing long-distance natural gas pipelines into urban utilities and has a purifying function, a metering function, a pressure regulating function, a distributing function, a safety protecting function and the like; a fuel gas alarming system, a self-control system and a gas odorizing device can be arranged as requirements; the pressure regulating gate station is generally in a form of a skid-mounted structure; the fuel gas pressure regulating device is widely applied to a transportation and distribution station, an urban gate station, regional pressure regulation, etc.

The invention discloses a detachable moveable mining lifesaving cabin which comprises a vehicle body, universal joints and universal wheels, wherein the vehicle body is connected with a traction power device through the universal joints; the universal wheels are arranged on the vehicle body; after the vehicle body is driven by the traction power device to reach an appointed position along a mine rail, the traction power device is separated from the vehicle body and then can continue carrying out other works; the main body of the vehicle body is made from detachable steel; and the vehicle body comprises living cabins, storage cabins, oil storage cabins and power cabins. The detachable moveable mining lifesaving cabin disclosed by the invention has the advantages that the size of the space of the vehicle body can be adjusted along with the size of a mining hole, the detaching operation is easy, the vehicle body can supply daily necessaries to sheltering people and can supply effective protection, the structure is simple, the maintenance is convenient, and the performance is safe and reliable.

The invention discloses a solar energy tracking sensor control circuit which is used for processing signals transmitted by a photosensitive sensor module. The solar energy tracking sensor control circuit comprises an azimuth angle current signal module, an elevation angle current signal module, a light intensity detecting current signal module and a power supply circuit module, all the current signal modules respectively comprise a measuring circuit, a comparing circuit and a transmitting circuit, all the transmitting circuits are connected to the signal output end of a sensor circuit, the signal output end of the sensor circuit is connected to a data processing system, LM324 is adopted in all the measuring circuits and all the transmitting circuits as processing chips, and LM339 is adopted in all the comparing circuits as processing chips. The solar energy tracking sensor control circuit solves the signal processing problem of a photosensitive sensor and is convenient to install, a whole sensor circuit board can be encapsulated into a box, and the solar energy tracking sensor control circuit can be used by connecting current signals of a photoelectric sensor in the circuit board.

The invention discloses a universal forklift portal test bench. The universal forklift portal test bench comprises a flat plate carrying assembly capable of moving along the ground, a portal frame mounting seat used for fixing a horizontal part of a test portal frame, a vertical mounting seat used for being connected with a vertical part of the test portal frame, a portal frame inclination adjusting device used for adjusting an inclination angle needed by assembly of the vertical part, a portal frame lifting protection frame used for preventing the test portal frame from tipping over and a control device used for controlling the test portal frame to carry out corresponding experiment operation; wherein the gantry mounting base, the vertical mounting base and the control device are all arranged on the flat plate carrying assembly, one end of the gantry inclination adjusting device is connected with the vertical mounting base, the other end of the gantry inclination adjusting device is connected with a lug hole of the vertical part, the portal frame lifting protection frame is provided with a hollow part and a lifting channel so that the test gantry can pass through the hollow part to be assembled with the gantry mounting seat, and the vertical part can move along the lifting channel conveniently. According to the universal forklift portal frame test bench provided by the invention, accuracy, applicability and safety of the forklift portal frame performance test bed can be improved.

The invention relates to a mechanical normally-closed pressure valve, which comprises more than twenty parts including a valve body, a sliding plate, a circular sleeve and the like, and is a pressure control valve used in a mechanical pressure machine. In the working state, the valve is opened, when the pressure of a squeezed material in pressure machinery achieves a pressure value set by a spring, the valves of a pressure control valve are pulled open by a delay switch, the squeezed material achieving certain pressure is squeezed out, and therefore the squeezed material can achieve a form base; and when the pressure of the squeezed material in the pressure machinery does not achieve the pressure value set by the spring, the upper and lower valves of the pressure control valve are closed and are in an off working state. The mechanical normally-closed pressure valve has a simple principle, is convenient to use, has a pressure control role and a safety protection role, and is an ideal pressure control device of the mechanical pressure machinery. Compared with the hydraulic system, the mechanical normally-closed pressure valve has the advantages of no environment pollution, simple structure, reliable pressure, safety, durability and low cost.

The invention discloses industrial ceramic mixing equipment which comprises a first motor, a stirring rod and a base, wherein a mixing outer barrel is mounted at the lower part of the first motor; a rotary joint is mounted in the mixing outer barrel; a transparent window is mounted on the surface of the mixing outer barrel; the stirring rod is mounted at the lower part of the rotary joint; the first motor is connected with the stirring rod through the rotary joint; a sliding door is mounted in the blade of the stirring rod; a sliding door controller is mounted at the left part of the sliding door; the stirring rod is mounted in a mixing inner barrel; a second motor is mounted at the lower part of the mixing inner barrel; the output shaft of the second motor is connected with the lower endof the mixing inner barrel; a relief valve is mounted in the sandwich between the mixing inner barrel and the mixing outer barrel; a condenser is arranged at the lower part of the second motor; vacuumsuction machines are mounted on the two sides of the condenser; and telescopic rods are mounted on the two sides of each of the vacuum suction machines. When the industrial ceramic mixing equipment heats material, the resource is effectively saved, the pollution is less and the practicality is high.

The invention discloses a mining dispatch winder. The mining dispatch winder comprises a motor, a winding drum, a transmission device, a clutch, a brake and a machine base; the transmission device is a flow dividing type closed planetary transmission system and is composed of a differential stage and a closed stage, and the differential stage and the closed stage are arranged at the two ends of the winding drum respectively, so that the radiating condition is good, assembling is convenient, limitation to the modulus and the diameter of a gear is smaller, and the tooth root bending fatigue strength and the gear face contact fatigue strength are improved; the flow dividing type closed planetary transmission system is adopted, so that the transmission ratio and the winding drum output torque are improved; the clutch is a radial lever type multi-friction-plate clutch and is installed on a high-speed shaft, and the overload protection function is achieved.

The invention discloses a multi-purpose safe kitchen machine. The multi-purpose safe kitchen machine comprises a body, a cup, a cup cover assembly provided with a cup cover, handles, and upper and lower safety mechanisms, wherein a motor, a transmission mechanism, a safety switch and a circuit control board are arranged in the body, a lug is formed on the circumference of the cup cover, a notch isformed in the inner side of the upper part of each handle, the upper and lower safety mechanisms are arranged on the inner sides of the handles and the inner wall of the bottom of the cup, the handles are fixed on the outer side of the cup, the cup is inserted into the body, the cup cover covers the cup, the upper ends of the upper safety mechanisms are movably clamped in the notches of the handles, and the lower ends of the upper safety mechanisms extend out of the handles and extend into the cup bottom to realize slope contact with the lower safety mechanism; the cup cover is rotated, the lugs are screwed into the notches of the handles to downwards press the upper safety mechanisms, through an inclined plane, the upper safety mechanisms push the lower safety mechanism to move forwardsto extend out of the cup, pass through a hole in the body, and trigger the safety switch. The multi-purpose safe kitchen machine is provided with the double safety mechanisms, the integral structure is simple, the use is convenient, safe and reliable, no danger exists, and the safety performance is good.

The invention relates to a coal burning system with a safety protection function. The coal burning system comprises a coal burning hearth and a burning device used for burning dry gas discharged from the coal burning hearth. The burning device comprises a burner, a feeding system and a frequent-blowing device. A dry gas inlet of the feeding system is connected with a dry gas discharge outlet of the coal burning hearth. A dry gas outlet of the feeding system is connected with a feeding port of the burner. A by-pass emptying valve used for discharging dry gas in the feeding system is arranged inside the feeding system. When the coal burning system operates normally, gas supply of the burner is stopped, and the by-pass emptying valve is normally opened; when the burner operates, the by-pass emptying valve is normally closed; once dry gas leaks or dry gas remains in a pipe, the dry gas is discharged through the by-pass emptying valve. According to the coal burning system with the safety protection function, if the dry gas leaks or the dry gas remains in a pipeline, dangers and hidden dangers can be eliminated as long as the emptying valve is opened, so that the coal burning system is convenient and quick to use, and high in security coefficient.

The invention discloses a safety protection device for building electrical construction. The safety protection device comprises a protection box body with an opening in the front side, an auxiliary inclined plate is connected to the end, located at the opening, of a bottom plate, and vertical sliding grooves are respectively formed in two side plates. Sliding blocks are slidably arranged in the sliding grooves, and the inner sides of the sliding blocks are fixedly connected with arc-shaped lower supports with upward openings. The lower supports are located outside the sliding grooves. The twolower supports are provided with cable coil shafts in a lapped mode, and the bottom ends of the lower supports are connected with lifting rods. A fixing seat is further installed at the bottom end ofthe bottom plate, the fixing seat is rotatably connected with a threaded rod, and the threaded rod is connected with a slide-moving block in a threaded mode. The two sides of the slide-moving block are respectively and rotatably connected with bending connecting rods, and the two bending connecting rods penetrate through the bottom plate to be rotatably connected with the bottom ends of the two lifting rods. When the cable coil shafts move to the upper parts of the lower supports, the threaded rod is rotated so as to enable the slide-moving block to move along the threaded rod, under the connecting rod transmission of the bending connecting rods, the lifting rods can be raised in the vertical direction, so that cable coils can be placed, the operation is time-saving and effort-saving, andmanpower is not required more.

The invention discloses a cooling device for an iron casting. The cooling device comprises a supporting table, wherein a No.1 adjustable rolling device is movably connected with the outer surface of one side of the supporting table, a No.2 adjustable rolling device is movably connected with the outer surface of the other side of the supporting table, a refrigerating device is movably connected with the outer surface of the lower end of the supporting table, and a No.1 fixed rod, a No.2 fixed rod, a No.1 buckle and a No.2 buckle are fixedly mounted on the outer surface of the front end of the supporting table. The cooling device for the iron casting is provided with a refrigerating mouth, a temperature measuring device, a display screen and the adjustable rolling devices, can cool the ironcasting with too high temperature more efficiently, can determine the cooling condition of the iron casting by measuring surface temperatures of the iron casting and the supporting table, and can movethe iron casting which is cooling or has been cooled at any time, thereby reducing burdens of workers and bringing better use prospects.

The invention discloses a forced circulation water jacket heater. The forced circulation water jacket heater comprises a heating cylinder body, a control box, a water pump, a temperature-sensing probeand a heating pipe. The heating cylinder body comprises a cavity body, a first end panel, a second end panel, a mounting plate, control box support feet, a water pump fixing auxiliary plate, mountingsupport feet, a blowdown pipe, a water inlet pipe seat, a water outlet pipe seat, a heater mounting seat and a temperature-sensing probe mounting pipe cavity. A first air switch, a second air switch,a contactor, a relay, a temperature adjusting switch, a high-temperature protection switch and a terminal strip are arranged in the control box. A power indicator lamp and a rotary switch are arranged on the top end face of the control box. A heating progress indicator lamp and a heating stop indicator lamp are arranged on a box door of the control box. The forced circulation water jacket heaterhas a forced circulation function, can visually reflect the working state of the water jacket heater, has high thermal efficiency and long service life and has the beneficial effects of automatic temperature control, safety protection and the like.

The invention relates to a distribution substation monitoring practical method based on a distribution network system. At a power distribution transformer substation terminal, a bus of a single main transformer is additionally provided with a triangular coil PT with an opening to obtain a zero-sequence voltage; 10V is taken as a 3U0 value to trigger an upload out-of-limit action remote signaling signal condition, and an out-of-limit action remote signaling signal is linked with an analog switch, so when the out-of-limit action remote signaling signal appears, the analog switch maintains an upload opening remote signaling signal; by combining a distribution network system research and judgment popup principle, setting is carried out in a distribution network system database to realize unlocalized monitoring; at a main station terminal, a distribution network system database is improved, main transformer tapping point position signals and oil temperature data are collected on site, and display and remote control on a distribution network system are achieved. The method can be applied to power distribution substations in different stages, can give full play to the effect of the powerdistribution transformer, and has popularization and application values.

The invention discloses a cooling device for a cast iron piece with a remote controller, comprising a support table, the outer surface of one side of the support table is movably connected with a first adjustable rolling device, the outer surface of the other side of the support table is movably connected to a second adjustable rolling device, the outer surface of the lower end of the support table is movably connected with a refrigerating device, and the outer surface of the front end of the support table is fixedly provided with a first support rod, a second support rod, a first buckle and asecond buckle. The invention relates to a cooling device for a cast iron piece with a remote controller, which is provided with a refrigeration port, a temperature sensor, a display screen and the adjustable rolling devices, and can more effectively cool the cast iron piece with excessive temperature. The cooling condition of the cast iron piece can be determined by measuring the surface temperature of the cast iron piece and the support table, and the cast iron piece that is being cooled or cooled can be moved at any time, thereby reducing the burden on the worker and bringing a better use prospect.