75results about How to "With protection function" patented technology

The invention discloses an integrated switch cabinet intelligent operating system. The integrated switch cabinet intelligent operating system comprises eight modules which are a switch cabinet state indication module, a temperature and humidity online monitoring module, an intelligent operating module, an arc light protecting module, a protecting measuring module, a breaker online monitoring module, a communication module and a human and machine interface module. By means of the modules, the functions of switch cabinet online monitoring, temperature and humidity automatic monitoring, automatic control of an electric hand and a car grounding knife, arc light protection, protecting monitoring, five-protecting interlocking and vacuum degree online monitoring are integrally achieved, the intelligent and visible requirements of primary equipment can be met, safe operation of the primary equipment and safe operation of a power grid are effectively guaranteed, maintenance cost of the equipment is reduced, and the integrated switch cabinet intelligent operating system has significant meanings for the operation of the power grid and achievement of the lean management of the equipment.

The invention relates to a transformer station domain island protection and backup automatic switching integrated method. The method is characterized by comprising the following steps: (1), acquiring the electrical amount information and switch state information at the high voltage side, the intermediate voltage side and the low voltage side of a transformer station in real time, and according to whether backup automatic switching upkeep pressure plates are thrown or retreat, identifying the current running states of elements at the high voltage side, the intermediate voltage side and the low voltage side of the transformer station; and (2), according to actual wiring conditions and onsite operation demands, through apparatus function pressure plates, selecting whether the backup automatic switching functions and island protection functions of the high voltage side, the intermediate voltage side and the low voltage side are open; and through apparatus software control words, setting backup switching modes of the high voltage side, the intermediate voltage side and the low voltage side for coupling to the previously identified operation states of the elements at the high voltage side, the intermediate voltage side and the low voltage side of the transformer station, and if coupling fails, sending alarm signals, locking an apparatus and discharging. The method firstly has an island protection function, can rapidly detect an island state and an island scope existing in the transformer station, and jumps away from photovoltaic power station grid connected switches in the corresponding scope.

The invention relates to a detection device of a surge protector, comprising pressure sensors, pressure deformation devices, detection circuits and a receiving device, wherein the pressure deformation devices are arranged between the pressure sensors and the surge protector to be detected; the detection circuits are arranged between the pressure sensors and the receiving device; and the pressure sensors acquire the information of the surge protector to be detected which is acquired by the pressure deformation devices and transmit the information to the receiving device via the detection circuits. The device is convenient to install, has high detection precision and sensitive response and can effectively reduce the fault points.

The invention relates to an ignition control system of a tube furnace. The system comprises a high-energy ignition device, a burner, an automatic ignition control system and a burning control system, wherein the high-energy ignition device adopts a capacitive discharge type igniter capable of providing the safe and reliable ignition performance; the burner is provided with a flame detection device and can realize the regulation of burning-supporting air and fuel in certain proportion; and the automatic ignition control system has the functions of flame detection, safety protection of the furnace and self diagnosis. The invention has the advantages of high heat efficiency, safety and reliability, stable and controllable burning, energy saving and emission reduction.

The invention relates to a surge protective device with a detection function. A surge protective unit (1) and a sensor unit (2) are encapsulated in the same encapsulated shell and are arranged in a surge protector (12), the functions of surge protection and detection are achieved at the same time; the surge protective unit (1) and the sensor unit (2) have been subjected to parameter matching without configuration selection; a detection circuit on which the sensor unit (2) is positioned and a surge protective circuit on which the surge protective unit (1) is positioned are electrically isolated, thereby preventing the detection circuit and the sensor unit (2) from being intervened by surge current which is a magnetic field, being convenient to mount, effectively reducing the space and reducing fault points.

The invention discloses a constant current driving power supply of a high-power all-solid-state laser, wherein a parallel connection expansion technology is adopted in the constant current driving power supply. The driving power supply comprises a primary power supply module, a plurality of same secondary power supply modules, an auxiliary power supply module, a current setting and display module and a start / stop control module, wherein the primary power supply module is connected with the secondary power supply modules in parallel to equally share the total load currents, and the secondary power supply modules are controlled by the primary power supply module. According to the driving power supply, the parallel expansion technology is adopted, several low-power switching power supply modules are connected in parallel to form the high-power driving power supply, and driving of the high-power all-solid-state laser can be simply and reliably achieved.

The invention discloses a cable cross-core all-shield electronic current transducer. The transducer can use two ends of one secondary winding individually to provide a sampling signal and input the sampling signal into a signal processing circuit on an electronic circuit board; after processing, two output ends of the circuit simultaneously output two sine shaped analog signals, one signal is a measurement signal for current measurement and metering, and the other is a guard signal for current protection control. The cable cross-core all-shield electronic current transducer has both the measurement function and protection function, thereby realizing integration of a measurement current transducer and a protection current transducer, and having excellent performances, low cost, broad applicability, and remarkable economic and technical effects.

The invention discloses a water-based fluorocarbon paint which is composed of the following raw materials in percentage by mass: 30-40% of water-based fluorocarbon emulsion, 5-10% of cellulose, 2-5% of starch, 1-5% of brookite titanium white, 2-5% of wear-resistant powder, 1-5% of nano aluminum oxide, 1-5% of nano titanium dioxide, 1-5% of nano ferrum dioxide, 1-5% of nano carbon dioxide, 1-5% of nano copper oxide, 1-5% of nano magnesium oxide, 1-5% of nano zinc oxide and the balance of deionized water. The water-based fluorocarbon paint is free of benzene, toluene, xylene, ethylbenzene, free diisocyanate and other harmful substances, has the advantages of no toxicity and no pollution, and has the decoration and protection functions of the paint. The prepared paint film has excellent wear resistance and weather resistance.

The invention relates to a baked stick capable of replenishing energy and relieving fatigue and a production method thereof. According to weight percentage, the baked stick is composed of 20-50% of protides, 1-5% of sugars, 5-17% of casein hydrolysates, 15-28% of sugar alcohol, 2-15% of greases, 0.1-0.5% of essences, 0.4-1.5% of collagen peptides, 0.5-2% of L-carnitine L-Tartrate, 1-20% of dietary fibers and 8-18% of other substances. The baked stick has various efficacies, is convenient to carry, easy to preserve, delicious and tasty, and certainly can be popular with outdoors amateurs.

The invention relates to a double-pole isolating switch cabinet for an outdoor direct-current 1500 V contact net system, which belongs to a high-power direct-current double-pole isolating switch cabinet used for subways or urban light rail systems. The cavity of the cabinet body is separated into a front chamber, an upper back chamber and a lower back chamber through a longitudinal baffle and a horizontal baffle; an electric operating mechanism is arranged in the front chamber; the direct-current double-pole isolating switch is installed in the upper back chamber; a primary cable is arranged in the lower back chamber; a shell-type rain-proof ceiling is installed on the cabinet, a heat radiating blower is installed on the rain-proof ceiling, an air outlet of the heat radiating blower is connected with an air inlet of the rain-proof ceiling, periphery eaves of the rain-proof ceiling is provided with a plurality of air outlets, doors of the upper back chamber and the lower back chamber are both provided with air inlet shutters, and the upper part of the vertical baffle and the horizontal baffle are both provided with air vents; and the lower back chamber is also provided with an electric heater. A back door is provided with an electromagnetic lock provided with electric interlocking control. The invention not only can radiate heat, ventilate the cabinet and exhaust air, but also can prevent condensation and satisfy the usage requirement of outdoor environment.

The invention relates to a helmet with the reflecting and protecting functions. The helmet comprises a helmet body; a complete protecting layer with the reflecting and protecting functions cover the outer surface of the helmet body; the complete protecting layer comprises an upper complete protecting layer and a lower complete protecting layer; each of the upper and lower complete protecting layers comprises a PC layer, a reflecting layer and an outer protecting layer which are arranged from inside to outside in a sequence and are formed by a press-fitting manner through the thermal press-fitting process. The helmet has the reflecting function, so that vehicle in front and back can be effectively reminded during riding a bike at the road or constructing, and as a result, the traffic accident can be avoided; the reflecting material is permanent and cannot be scrapped, so that the permanent reflecting function is achieved; due to the protecting function, an outermost protecting layer is high in hardness, can bear high-strength impact and friction, and difficultly cracked; the outermost protecting layer is arranged about the helmet body to reinforce so as to improve the safety of the helmet; therefore, the safety of a user can be completely ensured.

The invention provides a power supply system using a signal line. The power supply system comprises a master unit and at least one slave unit, wherein the master unit is connected with each slave unit through a ground wire GND and a communication signal line SP. The master unit comprises a power supply module, a power supply monitoring module and a main communication module. The power supply monitoring module monitors a current value and a voltage value of the communication signal line output by the power supply module, and feeds back data information of the current value and the voltage value to the power supply module. Each salve unit at least comprises a one-way conducting module and a slave communication module; the master communication module and the slave communication module are connected through the communication signal line; an output end of the power supply module is connected with the communication signal line, one end of the one-way conducting module is connected with the communication signal line, and the other end of the one-way conducting module is connected with the ground wire; and the power supply module supplies power to the salve unit according to the signal feedback of the power supply control module according to the existence of the communication signal line or not.

The invention discloses a double-spindle automatic drilling and tapping machine. The double-spindle automatic drilling and tapping machine is characterized in that a drilling and tapping power head comprises two spindles, a first spindle is connected with a lower output end of a first speed changing box, a second spindle is connected with a lower output end of a second speed changing box, the first speed changing box and the second speed changing box are movably arranged up and down in a power head tank body, one side of the first speed changing box is fixedly connected with a first rack, the first rack is in meshing transmission with a first gear, one side of the second speed changing box is fixedly connected with a second gear, the second rack is in meshing transmission with the second gear, the first gear and the second gear idly sheathe a handle shaft, the handle shaft is rotatably arranged in the power head tank body, and a declutchable locking hand wheel and a gear-shifting hand wheel are respectively arranged at the two ends of the handle shaft. The double-spindle automatic drilling and tapping machine has the advantages that a double-spindle design is adopted, drilling and tapping processing is facilitated, the working efficiency is improved, an automatic drilling and tapping technology is originally designed, and a function of protecting a hole from being drilled through is realized.

The invention discloses a load simulation device for metering equipment, which comprises a simulation circuit formed by a current simulation branch and a voltage simulation branch in parallel connection. One end of the simulation circuit is connected with 380 V AC input of a three-phase four-wire system and the other end is connected with to-be-checked equipment. The current simulation branch andthe voltage simulation branch can provide high voltage current, phase voltage and phase current in actual work of the to-be-checked equipment. Before formal electrifying, a simulated load for power grid voltage is used for simulated electrifying outside a power supply system. as the simulation device has a protection function, product damage or explosion does not happen even if wiring of the to-be-checked equipment is wrong, the working efficiency can be improved effectively, the safety of the equipment and the person can be protected better, and the problem that wrong wiring results in explosion and an employee is thus laid-off can be reduced.

The invention discloses a split type natural gas high-pressure prepayment control device and an application thereof. The device mainly consists of a flowmeter, a volume corrector, a prepayment controller and an electric valve, and is capable of completing prepayment and control functions through the controller, wherein the prepayment controller is connected with the volume corrector to carry out data exchange; meanwhile, the controller is provided with an IC card interface to realize gas flow metering and settlement synchronization; the controller is provided with an SIM card interface which is used for uploading data to an upper scheduling center; the controller is connected with the electric valve and is used for controlling the opening and closing of the electric valve according to thegas flow charged by a user and closing the valve when the gas flow of the user is finished; the control device is provided with a circuit protection module; and the circuit protection module is used for detecting the structural connection states of a drive, the valve, the volume corrector and the flowmeter, and alarming for the upper scheduling center when abnormal states occur.

The invention relates to the technical field of decoration engineering of buildings, and discloses a villa outdoor staircase with drainage and protection functions. The villa outdoor staircase comprises a staircase device main body. A fixed disc is fixedly arranged in a placement groove. A spring is fixedly arranged in the fixed disc. A water baffle is fixedly arranged at the bottom of the spring.A slide way is formed in the fixed disc. A water receiving ball is slidably connected in the slide way. A water inlet is formed in the right side of the fixed disc. A water outlet is formed in the bottom of the fixed disc. Due to the water receiving ball which is arranged obliquely, when it rains, the water receiving ball is filled with water, so that the self-gravity increases, the water baffleis pulled by the water receiving ball to rotate clockwise to enable rainwater on steps to enter the fixed disc and then be discharged into a rubber water pipe from the water outlet so as to realize the effect of cleaning the water accumulating on the steps.

The invention relates to a device and a relevant method that adapts to any type of storage media, and to protect digital contents and universal playing with an encryption/deciphering engine. The device is characterized as follows: A device communication interface, is used to connect the device with other external devices, and undertakes data transmission between them; a device controller, comprises an encryption/deciphering engine that have been widely verified and have high security, and moreover, a distinct identifier; the encryption/deciphering engine uses the distinct identifier as a key, in order to perform encryption operation for digital contents; as well as large quantity of storage media, comprise encryption data areas to stores digital contents after encryption; moreover, perform deciphering action for the encrypted digital contents that are stored through identifying the distinct identifier. The invention also relates to a software application programming interface (API) and a relevant method, so that the storage device can be universally used in personal computers/laptop computers, embedded systems as well as portable host computer devices.

The invention relates to an electric control gear-shifting controller of a transmission gearbox of a loader. The electric control gear-shifting controller comprises a shell, wherein a circuit unit is arranged in the shell, and a mounting plate is arranged on the shell. The electric control gear-shifting controller is characterized in that the circuit unit comprises a logic control module and a power supply module for providing a direct-current voltage for the logic control module, wherein the logic control module is achieved by a logic circuit and is provided with 8 input ends, each input end corresponds to the output end of a gear-shifting handle, and the logic control module controls a corresponding electromagnetic valve in electric control speed-changing operating valves to enter an on state according to the output of the gear-shifting handle so as to enable corresponding gears of a clutch to combine to realize gear-shifting. The electric control gear-shifting controller of the transmission gearbox of the loader, disclosed by the invention, has the advantages of effectively protecting a complete electric appliance and avoiding electromagnetic interference.

The invention discloses an electric control valve. The electric control valve comprises a valve body component and a coil component, wherein the valve body component comprises a valve body and a connecting pipe which is fixedly welded to the valve body and communicates the interior and exterior of the valve body. The electric control valve is characterized by also comprising a protecting device, wherein the protecting device encloses the combining part between the valve body and the connecting pipe. The combining part between the valve body and the connecting pipe is enclosed by the connecting pipe, so that the welding part between the valve body and the connecting pipe can be well protected. A first connecting part and a mounting part can also be additionally arranged on a protecting sleeve, so that a protecting function, a fixing function and a mounting function are also realized, fixing devices and mounting components for the valve body and a coil in the prior art can also be saved, and meanwhile, the manufacturing cost can also be greatly reduced.

The invention relates to an umbilical cable protection socket with a transmitting channel maintenance and simulation training function. The socket comprises a box body, a cover plate, an external connector socket, an internal connector socket and a channel detector, wherein the box body is connected with the cover plate through hinges; mounting support lugs are arranged on the rear part of the box body, and are connected and fixed with the box body through screws; the internal connector socket is positioned on the inner side of the box body, and is arranged on the bottom surface; the channel detector is connected with the box body through the internal connector socket; the external connector socket is positioned on the front part of the box body, and is connected and fixed with the box body through screws. The socket has both an umbilical cable protection function and the transmitting channel maintenance and sending simulation training function, multiple using requirements are met by one piece of equipment, equipment types are reduced, and the internal space of a ship is saved.

The invention provides a direct-current energy consumption device and a control method thereof. The direct-current energy consumption device comprises at least one energy consumption sub-module and atleast one energy consumption resistor which are connected in series, one end of the energy consumption sub-module is connected with a high-potential electrode and the other end of the energy consumption sub-module is connected with a low-potential electrode after series connection, and the energy consumption sub-module comprises a first switch unit, a second switch unit, an energy storage deviceand a current limiting unit. The first switch unit comprises a first turn-off semiconductor device and a first fly-wheel diode which are connected in antiparallel; the second switch unit and the firstswitch unit are connected in series in the same direction, the second switch unit comprises a second turn-off semiconductor device and a second fly-wheel diode which are connected in parallel in theopposite direction, and the two ends of the second switch unit serve as connecting terminals of the energy consumption sub-module; and the current limiting unit is connected in series with the energystorage device and then is connected in parallel with a series branch of the first switch unit and the second switch unit.

The invention belongs to the field of coal mining equipment, and discloses a walking type conveyor cooperating with a coal mining machine. The walking type conveyor is formed by movably connecting a first walking type conveyor and a second walking type conveyor, a left steel pipe and a right steel pipe in the first walking type conveyor are arranged on the left side of a first support and the right side of the first support respectively, first groove-shaped supporting rollers are arranged between the inner upper side of the left steel pipe and the inner upper side of the right steel pipe, a first walking device is movably connected with the lower portion of the front end of the first support, and a second walking device is movably connected with the lower portion of the rear end of the first support; the left steel pipe and the right steel pipe in the second walking type conveyor are arranged on the left side of a second support and the right side of the second support respectively, asecond groove-shaped supporting rollers are arranged between the inner upper side of the left steel pipe and the inner upper side of the right steel pipe, a third walking device is movably connected with the lower portion of the rear end of the second support, and the lower part of the front end of the second support is movably connected with the second walking device; and a limiting device is arranged on each of the left side of the first walking device and the right side of the first walking device, the limiting device is arranged on each of the left side of the second walking device and theright side of the second walking device, and the limiting device is arranged on each of the left side of the third walking device and the right side of the third walking device. According to the walking type conveyor cooperating with the coal mining machine, a protection function to cables and optical fibers, an automatic walking function, a walking limit anti-deviation function, a self-protection function and a horizontal transferring function are obtained.

The invention relates to a ceramic vessel clay blank rolling former with a protection function. The ceramic vessel clay blank rolling former comprises a former body, a clay blank mould and a forming roller head, wherein the former body is internally provided with a first electromotor, and a first vibration damper is arranged between the first electromotor and the former body; the first electromotor is connected with a lifting table above the former body through a drive lifting device, the lifting table is internally provided with a second electromotor, and the second electromotor is connected with the forming roller head through a roller head shaft; a second vibration damper is also arranged between the second electromotor and the lifting table. Due to the adoption of the structure, the ceramic vessel clay blank rolling former has a vibration damping function for the electromotors rotating a high speed, plays a role in protecting self mechanical structures and prevents a blank from generating ripples or other defects during forming; furthermore, the rotating speed of the forming roller head is adjusted by a transformer; finally, the clay blank mould is conveyed by a belt pulley, so that the workload of an operator is reduced and the production efficiency is improved.