36results about How to "No loss of control" patented technology

An energy-saving air conditioner supplying fresh air is disclosed. Its outdoor unit has air filter, fresh air chamber, fresh air fan, air exhaust fan, air exhaust chamber and electric control window.Its indoor unit has heat exchanger, air filter, and air cleaner. The 70% of cold or heat is exchanged between indoor air and fresh air. After exchange, the indoor air is exhausted out and fresh air comes into room. Its advantages include large heat exchange area, high efficiency and low noise.

The invention discloses a multifunctional intelligent nozzle structure used by a dry powder extinguisher. The multifunctional intelligent nozzle structure comprises a valve body, an inflation pressing valve, a pressure meter connecting head and a thermosensitive valve; a powder spraying pipe is arranged at the upper end of the valve body, and a connecting port is formed in the lower end of the valve body; a pressure meter joint is formed in one side of the valve body and an inflation pressing port is formed in the other side of the valve body; the pressure meter joint of the valve body is connected with a pressure meter through the pressure meter connecting head; the inflation pressing port of the valve body is connected with the inflation pressing valve; and the valve body is connected with an outlet of the dry powder extinguisher through a connecting port. The thermosensitive valve coats the powder spraying pipe, and is welded with the powder spraying pipe through tin soldering; and when the temperature of the thermosensitive valve reaches the melting temperature of tin soldering, the thermosensitive valve is deviated from the powder spraying pipe under the effect of pressure, and dry powder is sprayed out from the dry powder extinguisher for automatic fire extinguishing. The multifunctional intelligent nozzle structure is high in reliability without generating wrong control and control failure, prevents fire, can timely extinguish the fire, and prevents and reduces the fire loss.

The invention discloses an intelligent electric control device for an electric door lock based on RFID and a working method thereof. The device comprises an RFID remote controller, an RFID decoder, a logical judgment circuit, an electric lock switch control circuit, a silence control circuit, an electric lock state feedback detection circuit, a buzzer warning circuit and a storage battery state detection circuit. According to the invention, the device is kept in a normally closed lock state when no operation is executed after electrifying, so that the locking state of a vehicle door can be kept after the power supply of the device recovers the normal power supply under the condition of accident outage or unstable instantaneous voltage. The logical judgment circuit, the electric lock state feedback detection circuit and the electric lock switch control circuit of the device are all arranged as double-loop redundant protecting circuits, and the damage to one circuit can not result in control failure. The device disclosed by the invention is suitable for an economical RFID intelligent electric control device adopted by the railway industry; the intelligent electric control device can be used together with a common electric door lock; and an RFID radio-frequency signal is not interfered while the safety and reliability are ultrahigh.

The invention relates to the technical field of safety supplies, in particular to a welding gun handle fastening pressing sleeve. According to the fastening pressing sleeve arranging key technology, the pressing sleeve is composed of a welding gun handle, a fastening pressing sleeve body, a welding gun protection sleeve and a ribbon, wherein the tail end of the welding gun handle and the front end of the welding gun protection sleeve are fastened and connected through the ribbon, external threads of the tail end of the welding gun handle and internal threads of the fastening pressing sleeve body are connected in a threaded fastening mode, and the fastening pressing sleeve body is connected with the front end of the welding gun protection sleeve are connected in a sleeved and compressing mode. The welding gun handle fastening pressing sleeve is used for safety protection of a welding gun, is ingenious in concept, simple in structure, convenient to use, obvious in effect and convenient to manufacture and facilitates popularization.

The invention discloses a photovoltaic power generation system maximum power point capturing system and a control method thereof. The system is composed of a photovoltaic power generation main loop and a photovoltaic power generation control loop; the photovoltaic power generation main loop is composed of a photovoltaic array, a direct current converter and a load, and the photovoltaic power generation control loop is composed of a vector measuring unit and an MPPC unit. According to the method, fast capturing of a photovoltaic power generation system maximum power point is achieved online, that is to say, a technology of positioning and capturing in one step is achieved online; through arrangement of a maximum power point stable range, the problem of static response oscillation is eliminated; photovoltaic array output voltage basically identically equals to maximum power point voltage, and output power is basically identically equal to the maximum power. By means of the method, photovoltaic array output fluctuation caused by solar power fluctuation and load fluctuation is reduced to an extreme; particularly, the problem of loss of control possibly caused by solar power drastic fluctuation is eliminated.

The invention discloses an intelligent electric control device for an electric door lock based on RFID and a working method thereof. The device comprises an RFID remote controller, an RFID decoder, a logical judgment circuit, an electric lock switch control circuit, a silence control circuit, an electric lock state feedback detection circuit, a buzzer warning circuit and a storage battery state detection circuit. According to the invention, the device is kept in a normally closed lock state when no operation is executed after electrifying, so that the locking state of a vehicle door can be kept after the power supply of the device recovers the normal power supply under the condition of accident outage or unstable instantaneous voltage. The logical judgment circuit, the electric lock state feedback detection circuit and the electric lock switch control circuit of the device are all arranged as double-loop redundant protecting circuits, and the damage to one circuit can not result in control failure. The device disclosed by the invention is suitable for an economical RFID intelligent electric control device adopted by the railway industry; the intelligent electric control device can be used together with a common electric door lock; and an RFID radio-frequency signal is not interfered while the safety and reliability are ultrahigh.

The invention belongs to the technical field of roll-cutting machines, and particularly relates to a roll-cutting machine for cutting and forming a woodwork PET plate, the roll-cutting machine comprises a support and a PET plate, the two ends of the support are respectively provided with a roll-cutting mechanism for roll-cutting feeding and a leading-out mechanism for leading out after roll-cutting, and after the PET plate is input from the hobbing mechanism and is subjected to hobbing, residual materials are exported from the exporting mechanism. According to the hobbing machine for cutting and forming the woodwork PET plate, the hobbing mechanism is arranged, so that the effect of rapid replacement can be achieved according to different cutting requirements of the plate, and a micro gear motor drives a cam to achieve angle deflection; then, the surface of a cam makes contact with the surface of a lock rod, the cam is pushed outwards to be inserted into lock holes in the surfaces of the two ends of the roller to achieve locking or unlocking of the hobbing cutter, and then the rapid replacement effect is achieved; and the problem that the whole roller is replaced due to different requirements is avoided.

The invention discloses a remote safety control system and method for a vehicle-mounted air conditioner of a new energy vehicle. The system includes: a mobile terminal, which is connected to a T-BOX for remote communication, and the T-BOX is connected to a PTC controller through a CAN line, and the PTC controls The controller communicates with the battery management system BMS through the CAN line, the battery management system BMS communicates with the main negative relay, the pre-charging relay and the main positive relay, and the PTC controller connects with the air conditioning control system CLM and the motor controller MCU through the CAN line. During the period when the remote heating control of the air conditioner starts and cancels the heating, the PTC controller is in the remote control mode and temporarily takes over part of the control functions of the VCU, such as: sending commands to the BMS to connect and disconnect the battery, and sending commands to the MCU to enter the active discharge mode and Enter the sleep mode command, after the PTC controller exits the remote control mode, it does not have part of the control functions of the above VCU. Thereby avoiding the PTC controller and the VCU control function intersection in the normal driving process, resulting in control confusion.

The invention discloses a photovoltaic power generation system maximum power point capturing system and a control method thereof. The system is composed of a photovoltaic power generation main loop and a photovoltaic power generation control loop; the photovoltaic power generation main loop is composed of a photovoltaic array, a direct current converter and a load, and the photovoltaic power generation control loop is composed of a vector measuring unit and an MPPC unit. According to the method, fast capturing of a photovoltaic power generation system maximum power point is achieved online, that is to say, a technology of positioning and capturing in one step is achieved online; through arrangement of a maximum power point stable range, the problem of static response oscillation is eliminated; photovoltaic array output voltage basically identically equals to maximum power point voltage, and output power is basically identically equal to the maximum power. By means of the method, photovoltaic array output fluctuation caused by solar power fluctuation and load fluctuation is reduced to an extreme; particularly, the problem of loss of control possibly caused by solar power drastic fluctuation is eliminated.

An electromagnetic field shield system of a motor controller of an electric automobile is provided with a plurality of power supply surge protectors and signal line protectors and control line protectors mounted in an external layer shield body. Currents sensed by an external strong electric field on the external layer shield body of the motor controller of the electric automobile, power lines, signal lines and a cooling water tank are unloaded and absorbed, so that electronic devices in the motor controller of the electric automobile are not destroyed by the external strong electromagnetic field, and the electric automobile is protected to be safely driven at a high speed according to a design demand. A cooling water cooling system can keep the temperature of the motor controller of the electric unchanged when the electric automobile climes continuously or runs under a large load. With the above technologies, the electric automobile has part technology base which can be popularized. After wide popularization, the electric automobile can replace the prior automobile taking gasoline and diesel as fuel, so that the environment pollution can be treated thoroughly.

The invention discloses a large-deformation rubber support whose shear stiffness is reduced by the limit combination section of the cable. In the through hole; the multi-layer sliding rubber bearing is arranged in the hollow of the plate rubber bearing to form a combined section and increase the sliding surface. The present invention forms a combined section by placing a multi-layer sliding rubber bearing on the hollow plate rubber bearing, and the displacement mutation of the combined section bearing occurs on the internal sliding surface so that the horizontal stiffness can be reduced to adapt to larger deformation; in the upper and lower top plates Penetrating through the cable makes the entire support have energy dissipation and position limiting capabilities.

The invention relates to the technical field of safety supplies, in particular to a welding gun handle fastening pressing sleeve. According to the fastening pressing sleeve arranging key technology, the pressing sleeve is composed of a welding gun handle, a fastening pressing sleeve body, a welding gun protection sleeve and a ribbon, wherein the tail end of the welding gun handle and the front end of the welding gun protection sleeve are fastened and connected through the ribbon, external threads of the tail end of the welding gun handle and internal threads of the fastening pressing sleeve body are connected in a threaded fastening mode, and the fastening pressing sleeve body is connected with the front end of the welding gun protection sleeve are connected in a sleeved and compressing mode. The welding gun handle fastening pressing sleeve is used for safety protection of a welding gun, is ingenious in concept, simple in structure, convenient to use, obvious in effect and convenient to manufacture and facilitates popularization.

A magnetic force limiter (3) and vertebral body traction bed thereof; the magnetic force limiter (3) comprises a magnet (3.2), a tensioning piece (3.1), a first fixed seat (3.31) and a base (3.4); the tensioning piece (3.1) is comprised of an attraction piece (3.11) and a hook (3.12); the first fixed seat (3.31) is a magnetic body, and is a groove-shaped structure formed by bending a metal plate; the first fixed seat (3.31) has a middle flat seat (3.31A) and two bent end feet (3.31B); the first fixed seat (3.31) is horizontally installed and fixed on the base (3.4); the magnet (3.2) is fixed on one side of the flat seat (3.31A) of the first fixed seat (3.31), and the tensioning piece (3.1) is disposed at the other side of the flat seat (3.31A); the magnet (3.2) and the attraction piece (3.11) are separated by the flat seat (3.31A), and are attracted via magnetic force to form a tension connecting assembly; external tension is applied on the tension connecting assembly via the hook (3.12); and when the tension reaches the magnetic attraction force, the tension connecting assembly will separate to release the tension. The vertebral body traction bed employing the magnetic force limiting device (3) comprises a bed body (1), an electric drive device (2) and a pulling belt device (4); the electric drive device (2) is disposed at the lower side of a bed board (1.1); the magnetic force limiting device (3) is connected in tandem with the pulling belt device (4), and the magnetic attraction force of the magnetic force limiting device (3) is the safe tension. When the traction force reaches the safe tension, the tension connecting assembly (3) is separated to release the tension, thus protecting the safety of a human body.

The invention discloses a control system and method for a laser radar vibrating mirror servo motor. The system includes a host computer, a drive control digital module, a three-ring control analog module, a high-frequency pulse laser front end, and a scanning galvanometer. The drive control digital module includes a master control ARM unit and an FPGA unit connected to each other; the method is: After the mirror servo motor starts to work smoothly, it is judged whether the system is scanning in the highest performance working mode, and the mode is judged according to the set threshold, and two index improvement methods are adopted: in the mode of smooth speed operation, the introduction of interpolation module to drive The resolution of the control signal is improved to achieve the purpose of high-precision scanning; in the high-speed scanning mode, the repeated tracking cumulative error control unit is introduced to perform multi-cycle error collection and correction to achieve the purpose of improving accuracy. The invention ensures that the high-precision three-dimensional imaging scanning system can run stably and efficiently at high speed.

The invention discloses an environment-friendly power storage type Internet of Things terminal energy consumption and power saving management system and method, and the system comprises a central processing unit, the input end of the central processing unit is unidirectionally and electrically connected with a timing module, the central processing unit is bidirectionally and electrically connected with a storage module, and the central processing unit is bidirectionally and electrically connected with a networking module, the networking module is bidirectionally and electrically connected with a control terminal, and the input end of the central processing unit is unidirectionally and electrically connected with a tone recognition module. Through cooperative use of the central processing unit, the timing module, the networking module, the control terminal, the tone recognition module, the voice interaction module, the information acquisition module, the face recognition module, the storage battery, the electric quantity detection module, the intelligent switch and the networking device, the power-saving management requirement can be met, and personalized customization can be performed according to the requirement of a user, therefore, the maximum equipment use rationality can be achieved, energy and electricity are saved, and the social requirements of energy conservation and environmental protection can be met.

The invention discloses an asynchronous rib spalling control device of an isolated coal pillar composite type coal wall. Axial hydraulic support and radial hydraulic support are adopted in a hinged position of a hydraulic bracket, and a hinged shaft can be effectively protected; meanwhile, a cross-shaped rotary seat is adopted for hinge joint, radial support and axial support are facilitated, thehinged force condition can be effectively improved, and the stability of support is guaranteed; and meanwhile, during asynchronous rib spalling control, fine adjustment can be carried out on a supporting angle of a rib spalling protection plate by using a hydraulic supporting control mechanism, during fine adjustment, due to the control of hydraulic supporting force, stable micro adjustment can beeffectively realized, the adjustment is stable and reliable, the uncontrolled condition of angle adjustment cannot occur, and asynchronous rib spalling control over the isolated coal pillar compositetype coal wall is adapted; and the angle of the rib spalling protection plate can be adjusted to be suitable for the coal walls with different angles.