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

The invention provides a telescopic double-edged deep-hole boring cutter, aims to provide a deep-hole drilling boring cutter which has large length-diameter ratio, small self-excited vibration of a boring bar, reliable and stable feeding operation, no radial motion of a cutter arbor, and radial feeding of a cutting edge in a cutting process, and solves the problem that the deep-hole bottle cavity with large length-diameter ratio has large processing difficulty. The boring cutter comprises the boring bar which can extend to the deep-hole bottle cavity, wherein the central axis of the boring bar is provided with a through hole which runs through the central axis; a push rod (2) which is connected with a radial feeding device of the head of the boring bar is arranged in the through hole; the rear end of the push rod (2) is provided with a rotating handle; the rotating handle rotates a screw (5) and pushes the push rod (2) to do radial telescopic motion in the through hole of the boring bar; and the push rod (2) moves by way of pushing or pulling to drive the radial feeding device connected with the push rod and adjust the cutting edge of the double-edged boring cutter on a cutter block (3) to radically feed in the deep-hole bottle cavity.

The invention discloses a charging device for portable electronic products. The charging device for the portable electronic products includes a power converting module providing direct current, a charging board connected with direct current and a charging base connected with the electronic products. The charging board is composed of a substrate, and positive electrode plates and negative electrode plates both embedded in the substrate. The charging base is provided with a base board. A plurality of contacts capable of contacting with the positive electrode plates and the negative electrode plates are arranged on the lower surface of the base board. The contacts are connected with a rectifying circuit. An output terminal of the rectifying circuit is connected with charging plugs. The charging plugs can be in plug-in connection with charging sockets of the electronic products for charging. When using, the electronic products can be charged after being connected with the charging base and disposed on the charging board, so that the charging device for the portable electronic products can be used very conveniently. Not much effort needs to pay for connecting the electronic products with the charging plugs, so that the charging device for the portable electronic products is suitable for people with poor eye sight. By using the charging device for the portable electronic products, needs for preparing different kinds of charging devices are removed, so that the charging device for the portable electronic products facilitates storage and management. And the charging device for the portable electronic products can be used for charging the portable electronic products of the same specification or different specifications at the same time. The charging device for the portable electronic products has a safety protection function. The charging board is electrically neutral when no electronic product is being charged and is electrified for working when the electronic products are disposed on the charging board, so that the charging device for the portable electronic products is very safe in use.

The invention discloses a transmission speed regulation clutch of magnetic cylinder, to provide a speed regulation clutch with low abrasion, high carrying capability and overload protection. The invention comprises a transmission axis I, a transmission axis II, transmission members I, a fixture I, transmission members II, a fixture II, a regulation mechanism and a main body. The fixture I and the fixture II are respectively arranged on the transmission axis I and the transmission axis II. The transmission members I and the transmission members II are coaxially arranged on the fixture I and the fixture II respectively. The transmission axis I, the transmission II and the regulation mechanism are arranged on the main body. The fixture I or the fixture II are connected with the regulation mechanism. The regulation mechanism is able to drive the transmission members I or the transmission members II to axially move, to make the transmission members I and the transmission members II capable of being inserted into and extracted out each other. All transmission members I and the transmission members II are magnetic, or the partial magnetic transmission members I and the transmission members II are electromagnetic induction parts. The invention is suitable for soft start, startup and brake, overload protection.

This invention relates to an energy-saving, environmental-protection type electric generator. It is composed of a casing and ten units. In this invention, a starting cell is used as starting power source, no need of connection of power supply. It has advantages of low cost for power-generation, no need of long-distance power line. It is suitable for rural and urban, for industrieso r out-door use.

The invention relates to the technical field of textile machines and discloses a buffering device for a textile machine. The buffering device comprises a supporting cylinder body. A supporting shaft is arranged in the supporting cylinder body, and a roller is coaxially and rotationally connected to the outer surface of the supporting shaft. A barrier plate is arranged on the inner wall of the lower end of the supporting cylinder body. The end of the barrier plate is slidably connected to the outer surface of a drum. A first pressing plate and a second pressing plate are arranged on the outer surface of the roller. The ends of the first pressing plate and the second pressing plate are both slidably connected to the inner wall of the supporting cylinder body. A first compression cavity is formed between the first pressing plate and the barrier plate, and a second compression cavity is formed between the second pressing plate and the barrier plate. A supporting rod is hinged to the position, corresponding to the end of the barrier plate, of the outer surface of the roller, and a fixing block is hinged to the end, away from the roller, of the supporting rod. The vibration of the textile machine is converted into the power to drive the supporting rod to move and compress hydraulic oil in the supporting cylinder body by the first pressing plate or the second pressing plate, so that the purposes of shock absorption and noise elimination of the textile machine are realized.

The invention discloses a cooling bed lifting hydraulic synchronous control device. The device comprises a plurality of proportional direction valves arranged on hydraulic valve stand beside a cooling bed in parallel, an electromagnetic reversing valve and a hydraulic control check valve are arranged on a communication pipeline of the proportional direction valves and hydraulic oil, an oil outlet pipeline of each proportional direction valve is further connected with a servo hydraulic cylinder, displacement sensors serving as external displacement sensors are arranged on the servo hydraulic cylinders, the displacement sensors are also connected with the proportional direction valves, and the proportional direction valves and the displacement sensors form position closed loops. Closed-loop control precision of cooling bed lifting hydraulic synchronous control can reach +/-1 mm; compared with existing cooling bed lifting control schemes, synchronous control precision is very high, and synchronous control precision can also be guaranteed especially when unbalance loading of the cooling bed is large; by setting a curve of proportional direction valve control signals, stable start and shutdown are easy to achieve, and quick lifting operation is achieved.

The invention provides a charging disinfector with a safety protection function, which comprises a cabinet body and a power port, an air switch, a switching power supply, a switching power supply group, a multiplexer, charging seats, a limit switch, a disinfection timer, a disinfection switch button and an ultraviolet disinfection lamp arranged inside the cabinet body, wherein the power port is fixed on the side wall of the cabinet body; the power port outputs two ways of power lines via the air switch, one path is connected into the switching power supply and the other path is connected into the switching power supply group; the switching power supply group is electrically connected with the multiplexer, a power signal is inputted to the multiplexer, and multiple charging seats are correspondingly connected onto the multiplexer; the switching power supply is electrically connected with the ultraviolet disinfection lamp via the disinfection timer; and both the limit switch and the disinfection switch button are in signal connection with the disinfection timer. According to the charging disinfector with the safety protection function, through perfecting defects of the existing charging disinfector, the safety and the practicality of the charging disinfector are enhanced.

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 an electronic load device and a drive test method using same; the electronic load device comprises an input device, a display, a microcontroller, a detection module, an operation module, a power module, and a power supply; the input device, the display, the detection module and the operation module are respectively connected with the microcontroller; the detection module and the power module are respectively connected with the operation module; the detection module obtains the first electric signal value of a to-be-tested drive, and sends the first electric signal valueto the operation module; the operation module adjusts the first electric signal value according to the reference electric signal transmitted by the microcontroller; the detection module obtains the second electric signal value of the to-be-tested drive, and sends the second electric signal value to the microcontroller; the microcontroller sends the second electric signal value to the display fordisplaying same. The electronic load device is simple in structure, flexible in operation, can adapt to various different drive test demands, and is high in testing efficiency and accuracy.

The invention discloses a beautifying method based on an air energy jet flow micro penetrating type beautifying device. The beautifying device comprises a mesogun shell, an injector, a key switch, a control cabinet and a driving mechanism and a medicine liquid ejecting mechanism which are mounted on the mesogun shell; the driving mechanism comprises a speed reduction motor, a lead screw, nuts, a nut connection block, a push block and a baffle; the nut connection block is connected with the nuts through a circumferential positioning column, the push block is detachably connected with the nut connection block through a hook, and an injector abutment part is arranged on the upper portion of the push block; the medicine liquid ejecting mechanism is connected with a medicine liquid outlet of the injector, and compressed air of an air compressor is connected with the power input end of the medicine liquid ejecting mechanism. The air energy jet flow micro penetrating type beautifying device is used by adopting the beautifying method, the compressed air is used for pushing the medicine liquid to move at high speed to form spray stream, the medicine liquid permeates into shallow subcutaneous tissue in a non-invasion mode, absorption of the medicine liquid by the skin of the human body is promoted, any damage cannot be caused to the human body, and better treatment effects can be achieved.

A water-heating and water-cooling dual-purpose electric blanket comprises an upper blanket surface, a lower blanket surface, a heating layer, a temperature sensor, a temperature monitoring module, a refrigerating device, a switch and sealing pins. The heating layer comprises a surface layer, an inner layer and an interlayer, the interlayer is provided with a heating pipe in which a heating wire is arranged, and a shielding wire is wound around the heating wire; the outer wall of the heating pipe is made of an insulating material, the heating pipe is sleeved with a sleeve pipe with a cavity reserved between the heating pipe and the sleeve pipe, and the cavity is filled with heat transfer liquid; the two ends of the sleeve pipe are connected with three-way pieces in an insertion mode respectively, the other two joints of each three-way piece are connected with an extension pipe and a tightening cap respectively, the two ends of the heating pipe are plugged by the sealing pins, and the tightening caps are in screw connection with the sealing pins through threads; the extension pipes are connected with the refrigerating device; the heating wire is led out from the sealing pins and connected with a power line, and a circuit breaker is arranged on the power line; the temperature sensor is arranged on the heating layer and connected to the temperature monitoring module through a wire, and the temperature monitoring module is connected with the switch; the switch is connected with an external power supply through a plug. The water-heating and water-cooling dual-purpose electric blanket can perform refrigerating or heating selectively and is safer to use.

The invention provides a heavy rail clamping device, which comprises a heavy rail up-down limiting mechanism, a heavy rail left-right limiting mechanism and a pneumatic system fixed on a rack and the rack, wherein the heavy rail up-down limiting mechanism comprises a rocker mechanism, a down pressing roller protection device, a driving system and a horizontal elevation adjustment device; the heavy rail left-right limiting mechanism comprises a left limiting roller and a right limiting roller; and the pneumatic system comprises a down pressing cylinder, a left pushing cylinder, a right pushing cylinder, electromagnetic valves and other necessary pneumatic components. The clamping device carries out forced limiting and centering on movement of the heavy rail on a roller table, swinging of the heavy rail in a horizontal plane and jumping in a vertical plane are limited in a detection requirement permission range, the heavy rail flatness detection precision is ensured, and the precision of other related detection equipment is improved.

The invention discloses a DC constant voltage circuit module which can input electric power for operation by a battery module and automatically detects the voltage of the battery module, and voltage compensates the battery module when the voltage of the battery module is insufficient to To achieve the DC motor constant voltage and fixed speed purposes. The DC constant voltage circuit module disclosed in the present invention is provided on a main control integrated circuit board including a battery monitoring unit and a battery module which are coupled via a main control integrated circuit board and a DC motor terminal; wherein the battery The module controls the integrated circuit board for performing flow detection and control of the battery module so that the voltage released by the battery module is maintained at a constant voltage operating area which, when in operation, the main control integrated The circuit board adds voltage to the battery module through the micro control unit and the voltage supplement frequency detection unit.

The invention aims to provide a series extrusion type magnetorheological damper. The series extrusion type magnetorheological damper comprises a working cylinder, a piston rod, a piston body of an electromagnetic piston, magnetorheological fluid, a permanent magnet positioning ring, a permanent magnet ring and a coil, wherein a plurality of annular grooves are formed in the left end surface and the right end surface of the piston body at intervals in the radial direction. According to the series extrusion type magnetorheological damper, the problems that existing damping force is small and thelike can be solved, meanwhile, the volume of the magnetorheological fluid for working is reduced, the magnetorheological damping force is greatly improved, and the series extrusion type magnetorheological damper has the advantages that the required magnetorheological fluid is small in dosage and the magnetorheological effect is remarkable.

The invention discloses a power battery protection system comprising: a battery management system BMS; A high-voltage circuit relay for controlling the on-off of the high-voltage circuit; The relay control circuit controls the on-off of the high-voltage circuit relay according to the control signals of the master control module and the slave control module. When the state of the single battery isabnormal, the slave control module sends a disconnect signal to the relay control circuit, and the relay control circuit disconnects the high-voltage circuit relay after receiving the disconnect signal from the control module. The invention increases the output of overvoltage and over-temperature alarm signals of the slave control module, as at least one of that slave module triggers the protection threshold. The slave control module directly disconnects the high-voltage contactor in the high-voltage circuit of the power battery. The invention makes the master control module and the slave control module of the BMS system have the safety protection function, thereby better protecting the overcharge and over-temperature problems of the power battery, and increasing the reliability of the system safety protection.

The invention relates to a device utilizing digital codes for replacing keys for locking and unlocking, and discloses a mechanical coded lock. Operation is simple, safe and reliable, and the mechanical coded lock can replace traditional door locks universally used by existing homes. The mechanical coded lock is composed of a lock body outer side panel, a lock body element bottom plate, a lock body element cover plate and a lock body inner side panel. The lock body outer side panel is provided with an unlocking and locking knob shaft, a code disc and a plurality of hollow and solid code adjusting knob shafts. According to the mechanical coded lock, during locking, the marker lines of the multiple hollow and solid code adjusting knob shafts are firstly aligned to unlocking code number positions arranged on the lock body outer side panel, then the unlocking and locking knob shaft is anticlockwise rotated by about 360 degrees, an upper latch, a middle latch and a lower latch all outwards stretch out of a lock body from the interior of the lock body, then the marker lines of the multiple hollow and solid code adjusting knob shafts and the arranged unlocking code number positions are adjusted to be disorderly so as to prevent unlocking codes from being leaked, the lock is complexly closed, and unlocking operation is opposite to locking operation.

The invention provides a rack and a bundling machine and belongs to the field of agricultural machinery. The rack comprises a rack body, a locking mechanism and a hydraulic cylinder, wherein the locking mechanism is arranged on the rack body. the rack body comprises a front rack and a rear rack, the front rack is hinged to the rear rack, the hydraulic cylinder is used for driving the rear rack to rotate with respect to the front rack and making the rear rack and the front rack fit or separated. The rack body have an opening state and a closing state. The locking mechanism comprises a transmission part and an execution part, wherein the execution part is connected with the hydraulic cylinder through the transmission part. When the rack body is in a closing state, the hydraulic cylinder can drive the execution part to lock the front rack and the rear rack. When the hydraulic cylinder is damaged or connection between the front rack and the rear rack is invalid, a bale in the rack is not pushed away from the rear rack, and potential safety hazard existing in the bundling process can be effectively eliminated. The bundling machine provided with the rack has good safety performance.

The invention relates to a charging socket and switch assembly. The charging socket and switch assembly comprises an insulating casing, a first terminal, a second terminal, a third terminal, a fourth terminal and a top-open piece, wherein the insulating casing is provided with a jack allowing a charging plug to be plugged therein; the first terminal is provided with a first contact part positioned in the jack; the second terminal is provided with a second contact part positioned in the jack; a control room is arranged on the insulating casing; the third terminal is provided with a control part and a third contact part which are positioned in the control room; the fourth terminal is provided with a fourth contact part positioned in the control room; an insulating elastic arm is arranged on the top-open piece; the third terminal is conducted with the first terminal; the third terminal is provided with a connecting piece connected with the positive pole of a battery; a fifth terminal is fixed on the insulating casing and provided with a spring plate connected with the negative pole of the battery; and the shortest distance between the second contact part and an open end is larger than that between an elastic contact part and the open end. The charging socket and switch assembly can prevent a product requiring to be charged from being damaged by sudden short circuit at the instant of initial charging of a device.