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 relates to an intelligent socket with the wireless data communication function. According to the intelligent socket with the wireless data communication function, a microprocessor module is connected with a power module, an electric power measurement module, a liquid crystal display module, a relay control module, a communication module and a sensor module, and the electric power measurement module is connected with the relay control module. The obtaining method of the intelligent socket with the wireless data communication function comprises the following steps that the microprocessor module judges whether the relay control module is connected with a load according to detected light intensity information of a light intensity sensor; if the relay control module is not connected with the load, output is cut off by the relay control module; if the relay control module is connected with the load, the voltage, current and power of the load are detected through the electric power measurement module, and the voltage, current and power of the load are displayed through the liquid crystal display module and are transmitted to an upper computer through the wireless communication module. According to the intelligent socket with the wireless data communication function, the electric power measurement function, the automatic control function and the network communication function are achieved through one socket, and thus the intelligent socket has the advantages of being high in universality, capable of achieving various functions, convenient to use and the like.

The invention relates to an IC (Integrate Circuit) card access terminal which adopts a commercial cipher and is provided with a commercial SM (Smart Media)7 / SM1 cipher module. The IC card access terminal comprises an antenna, an RF (Radio-Frequency) interface, an MCU (Microprogrammed Control Unit), a cipher module with a commercial cipher algorithm, an access executing mechanism and a data interface connected with a background monitoring system, wherein the MCU is respectively connected with the RF interface, the cipher module, the access executing mechanism and the data interface for data interaction, and the RF interface is connected with the antenna and is in charge for RF communication between the MCU and the IC card. An operation method of the invention comprises the following steps of: (1) swiping a card on the induction antenna of the access terminal by a user; (2) carrying out SA (Social Accountability) authentification on the access terminal and the IC card under the matched control of the MCU and the SM7 / SM1 cipher module; (3) carrying out SB authentification; (4) authenticating user release information; (5) controlling access; and (6) reporting a legal access accident to the background monitoring system. The invention has a commercial cipher secured authentification mechanism and effectively ensures the security of important access.

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 closed dustproof light brick cutting machine which comprises a machine base, a workbench and a blade. The machine base comprises a support and supporting legs. The workbench is connected to the support in a sliding mode. A closed dust hopper is arranged below the support. An opening of the closed dust hopper is located on the support. A nozzle is connected to the side face of the dust hopper. A bearing block assembly is connected to the support and the blade is fixedly connected to the bearing block assembly. A sliding wheel shelf is arranged on the support and sliding idler wheels are arranged below the workbench, so that the workbench is connected to the support in sliding mode. The upper end of the workbench is connected to a front shield and a rear shield. The supporting legs comprise the first supporting leg and the second supporting leg. The lower end of the first supporting leg is connected to a movable idler wheel and the lower end of the second supporting leg is connected to an adjusting bolt. Generated dust can be deposited and discharged through the water spraying action, so that a large amount of dust is prevented from entering air in the cutting process. Meanwhile, due to an adjustable bolt structure and a movable idler wheel structure, the problems that on-site movement is inconvenient and the stability of the machine is difficult to adjust rapidly are solved.

The invention discloses a metering system simulation platform. The metering system simulation platform includes simulation platforms, a local area network and a control center; at least two simulation platforms are connected with a computer through the local area network and a switch; each simulation platform includes a substation metering simulation device, a metering loop fault wiring device, a low-voltage loop simulation device, a transformer wiring simulation device, a power transformation acquisition simulation device, a low-voltage centralized meter reading simulation device, a digital program control power source and a total control center, wherein the components are in star connection with one another with the total control center adopted as a center, the total control center is connected with the computer through a network cable or a wireless mode, and the total control center is a processor. With the metering system simulation platform of the invention adopted, requirements of the installation, commissioning, detection and maintenance training of a variety of metering devices can be satisfied; and a field operation and control environment can be transferred to an indoor environment, so that field simulation, experiment and training functions in metering work posts can be realized.

The invention relates to a power grid and industrial user power supply and demand interaction device and an implementation method. An industrial user data acquisition module acquires parameter data ofvoltage, current, frequency and the like of user power utilization equipment in real time. A scheduling and calculating module receives the power utilization parameter data and stores the power utilization parameter data into an internal data cache region in a classified manner; the scheduling and calculating module calls the data for operation to obtain power parameter information of each part of equipment, and the power parameter information is transmitted to a far-end server by the communication module; and the scheduling and calculating module receives the guidance regulation and controlinformation generated by the far-end server, formulates a local control strategy according to the industrial production condition and transmits the local control strategy to the user-side interruptible load control module to complete local equipment control. According to the invention, the power supply and demand channel between the power grid and the industrial user can be established, so that the industrial user can automatically participate in power grid scheduling and new energy consumption scheduling, and the method has the advantages of high universality, rich functions, convenience in use and the like.

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.

The invention discloses a mobile terminal work method and system of a surface mine unmanned transport system. A mine mechanical cluster management system runs on a handheld mobile device PAD to serveas a mobile type positioning terminal, the terminal mainly adopts a CORS system, a communication technology like 4G is used for carrying out precise positioning, influences of positions, time, weatherand the like are avoided, after log in succeeds, the terminal carries out information interaction with a cluster dispatching center, terminal position information sent by the CORS positioning systemis obtained and is given to the cluster dispatching center, vehicle position information of the cluster dispatching center is obtained, according to the terminal position information and the vehicle position information, whether a vehicle enters a terminal protection ring or not is judged, according to a judging result, a corresponding safety protection action is started, cluster dispatching center data is checked, rough positioning is carried out, the traffic condition is monitored, emergent parking is carried out, and life safety of a device possessor is ensured.

The invention discloses a disc lock type scaffold constructing system which comprises basic structural member portions (including upright rods, horizontal rods, diagonal rods, sweeping rods and the like), stabilizer portions (including space stabilizing tie pieces, wall connecting members and the like), safety protection systems (including safety net systems, pedal anti-dropping locking interface devices, blocking and protective barriers and the like) and support adjusting portions (including adjustable bottom support members, formwork strut members, universal support members and the like). The disc lock type scaffold constructing system has the advantages that porous connecting discs and rotary lock butting systems are arranged on the upright rods, so that the upright rods, matched transverse rods, the diagonal rods, the tie pieces, safety nets and the like can be assembled to form the disc lock type scaffold constructing system with stable space structures, safety protection functions and ability of meeting different load requirements, basic elements and subsystems have structural association and dependence relations with one another, all structural members are series of standard members and can be produced on a large scale, and accordingly the disc lock type scaffold constructing system is truly safe, reliable and practical and is truly high in efficiency.

A running-clamping mechanism for the line inspecting robot able to autonomously pass through obstacle is a complex wheel-jaw structure, which is composed of a running unit, a back clamping unit, a front clamping unit and an eccentrical unit. Said front and back clamping units are supported between front and back eccentrical supporting plates of said eccentrical unit. Said front and back eccentrical supporting plates are installed to the front and back eccentrical axles of left and right flanges in running unit.

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 discloses a pressure reducing valve with a pressure cavity. The pressure reducing valve with the pressure cavity can change the output pressure of the pressure reducing valve by externally pressurizing or relieving the pressure of the pressure cavity. The pressure reducing valve with the pressure cavity comprises an adjusting assembly with a pressure cavity, a membrane, a valve coreassembly and a piston assembly, wherein the piston assembly is hermetically arranged in the adjusting assembly;and one end of the piston assembly is matched with a pressure regulating spring in the adjusting assembly, and the other end of the piston assembly is matched with the membrane. According to the scheme, the advantages of a membrane pressure reducer are retained, the membrane pressure reducer also has a safety protection function under the rupture of a membrane, when the membrane breaks down, a valve core cannot be completely opened even under the action of the spring force, and gas can still be normally conveyed; and furthermore, the membrane is only limited and protected by the inner pressure and the outer pressure, and the inner pressure is limited and protected by the piston assembly, so that the probability of rupture of the membrane is relatively low during breaking down, and the problems in the prior art are effectively overcome.

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 present invention relates to an industrial user electricity behavior collecting device and method. The device comprises a processor module, a data memory module, a power supply module, a device power parameter collecting module, a relay control module and a communication module. Each module is connected with a microprocessor module and is coordinated by using the processor module. The method comprises that: voltage and current information of a monitored device are collected by using the device power parameter collecting module in real time; the received information is classified and storedinto the data memory module by using the processor module; and the data is called by using the processor module for operation to obtain power parameter information of each part of the device, the power parameter information is stored into the data memory module, and the power parameter information is transmitted to the host computer by using the communication module. According to the technical scheme of the present invention, parameter abnormality when the device is faulty can be captured, and an alarm is issued or the power of the device can be cut off in time; and the power information collection function, the data analysis function, the automatic control function and the network communication function are integrated into one device, and the technical scheme has the advantages of strongversatility, rich functions, convenient use, and the like.

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 discloses a novel hydraulic pumping unit with high energy saving and low energy consumption, mainly comprising a walking beam, a beam bearing of the walking beam, a beam, a connecting rod, a rod bearing, a weighting block, a connecting bar, a top bearing, a balancer, a base and a bar bearing and a hydraulic cylinder. The novel hydraulic pumping unit with high energy saving and low energy consumption is characterized in that the rod bearing is connected with one end of the connecting bar, and the other end of the connecting bar is connected with the balancer so as to be connected with the bar bearing; the top bearing is mounted between the rod bearing and the bar bearing, the lower end of the top bearing is connected with the hydraulic cylinder and a telescopic rod thereof, and the hydraulic cylinder is mounted on the base; the bar bearing is connected with the base, and the hydraulic cylinder is connected with a hydraulic control station. The invention has little power and lower energy consumption because of adopting a hydraulic device, is convenient to mount, use and maintain, has little and adjustable workloads, weak strength and safety protection function and is widely applied to oil extraction technologies in oil fields.

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 discloses an air energy jet flow micro inflow type cosmetic instrument. The instrument comprises a mesogun shell, an injector, a key switch, a control cabinet, a driving mechanism installed on the mesogun shell and a liquid medicine injection mechanism. The control cabinet comprises an equipment cabinet, and an air compressor and a controller which are arranged inside the equipment cabinet; the driving mechanism comprises a gear motor, a lead screw, a nut, a nut connecting block, a push block and a baffle, the nut connecting block is connected with the nut through a peripheral positioning column, the push block is detachably connected with the nut connecting block through a clamping hook, an injector abutting portion is arranged at the upper portion of the push block, a liquid medicine outlet of the injector is connected with the liquid medicine injection mechanism, and compressed air of the air compressor is connected with the power input end of the liquid medicine injection mechanism. The compressed air is used for pushing the liquid medicine for high-speed motion to form spray steam, liquid medicine permeates the shallow layer subcutaneous tissue in a non-invasion mode, liquid medicine absorption of human skin is promoted, no damage is caused to the human body, the injection amount of the liquid medicine and the injection treatment area can be controlled, and the better treatment effect is achieved.

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.