923results about How to "Simple structure and principle" patented technology

The invention relates to a hydraulic peristaltic pipeline robot traction device, which can provide powerful traction force for robots in pipeline operation such as an oil-gas pipeline, a sewage pipeline and the like. The hydraulic peristaltic pipeline robot traction device mainly consists of an extension cabin, a propelling cabin and a propelling oil cylinder, wherein the extension cabin mainly consists of an extension cabin body, an extension cabin front cover, extension cabin supporting legs, extension cabin brackets, extension cabin supporting rods, an extension cabin supporting leg oil cylinder, a synchronous plate, a synchronous plate slide shaft and an extension cabin rear cover; the propelling cabin mainly consists of a propelling cabin body, a propelling cabin front cover, propelling cabin supporting legs, propelling cabin brackets, propelling cabin supporting rods, a propelling cabin supporting leg oil cylinder, a synchronous plate, a synchronous plate slide shaft and a propelling cabin rear cover. The hydraulic power is adopted as a power source, sufficient traction power can be provided for a pipeline operation robot, and the successful traveling of the pipeline robot in the pipeline can be guaranteed. The hydraulic peristaltic pipeline robot traction device has advantages of simplicity in structure, high carrying capacity, high reliability, high environmental adaptability and the like.

The present invention relates to a numerical control ball milling machine tool, which comprises a lathe bed (1) provided with a main shaft servo drive motor (14), a clamp arranged above the lathe bed (1), a lathe bed saddle (3) provided with a rotating table (4) which is connected with a B-shaft servo drive motor (23) and is provided with a tool rest slide (6), a tool rest (7) fixedly arranged above the tool rest slide (6), and a wheel-head device (29) arranged behind the lathe bed saddle (3). In the present invention, the sphericity workpiece is processed by the tool and the wheel-head device arranged on one machine tool; the workpiece is clamped once in the whole course of processing, thereby, not only the processed precision can be ensured, but also the automaticity can be greatly improved, so that the labour force is saved, and the production efficiency and the production quality are improved. The machine tool of the present invention has a simple structure and principle, easy operation, and excellent expansibility.

A flexible cleaning robot hand comprises an anti-collision detection device (1), a cleaning device (2) and an air pressure spray device (3); the anti-collision detection device comprises a mounting flange (1a) and a connecting flange (1b) which are formed at the both ends, a telescopic motion pair (1c) which are transversely or inclinedly hinged between the mounting flange and the connecting flange by hinge mechanisms (1e and 1f) and a position detection sensor (1d) which is arranged on the telescopic motion pair; the cleaning device comprises a scraper support (2a) which is arranged on the connecting flange and a flexible cleaning scraper (2b) which is arranged at the external end of the scraper support; the air pressure spray device is arranged on the scraper support, and comprises a spray air pipe (3a) which communicates with an air path system and an air pressure nozzle (3b) which is connected on the air pipe. The flexible cleaning robot hand has the anti-collision detection and the self-adaptive ability of the cleaning pressure, and can be arranged on a robot, thus realizing the automatic cleaning of the interior of a box body and having good cleaning effect.

This invention discloses a screen locating device based on CMOS digital imaging sensor which consists of no less than one optical pen, a screen, a optical lens, a CMOS digital imaging sensor connected to the optical lens, a processor module connected to the sensor and a PC connected to the module. This equipment shows many advantages such as structure briefness, principle simpliness, less image data to be processed and low cost.

The invention belongs to the field of electronic building block toys or teaching aids and in particular relates to a programmable learning device based on intelligent building blocks and an intelligent electronic building block device. The programmable learning device comprises a device body, instruction building blocks and an action executing device, wherein a recording unit is arranged in each instruction building block; a main control unit is arranged in the device body, the device body is provided with a connector, and a transceiving unit and a display module are also arranged on the device body; a receiving unit is arranged in the action executing device; and the instruction building blocks are connected with the connector and then are electrically connected with the main control unit, the main control unit sequentially scans and recognizes the instruction building blocks on the connector, calls corresponding instruction signals according to instruction sequence information of theinstruction building blocks and sequentially transmits the instruction signals to the transceiving unit to be transmitted or displayed by virtue of the display module, and after the transceiving unittransmits the instruction signals, the receiving unit of the action executing unit receives the instruction signals and executes corresponding action.

The invention relates to a base line allowance detection device for a lock stitch sewing machine and a detection method thereof. The base line allowance detection device for the lock stitch sewing machine comprises a base line quantity detection part, a facial line use quantity detection part and a controller. The base line quantity detection part comprises a base line counting disc, a cop latch winder, a base line sensor for sensing the turning number of turns of the base line counting disc and a winding sensor for sensing the starting and stopping of the cop latch winder. The facial line use quantity detection part comprises a facial line counting disc and a facial line sensor for sensing the turning number of turns of the facial line counting disc. The controller is provided with a control module which controls the cop latch winder and the lock stitch sewing machine to work and receives and processes signals of the base line sensor, the winding sensor and the facial line sensor. According to fact that the base line winding quantity minus the facial line use quantity is the base line allowance, base line allowance detection is achieved. The base line allowance detection device is simple in structure, convenient to operate and use and high in intelligence degree and has accuracy in detection.

The invention relates to a pulse impact producing mechanism and a center differential pressure drill comprising the same. The pulse impact producing mechanism comprises a righting element, a driving element, a rotating element and a throttling element which are placed sequentially, the righting element, the driving element and the rotating element are connected sequentially, the throttling element and the rotating element are in clearance fit, overcurrent channels which are used for flowing of a drilling fluid are arranged on the righting element and the throttling element, the driving element drives the rotating element to rotate, and the overcurrent channels on the rotating element and the throttling element move relatively. The center differential pressure drill comprises a reaming bit, the pulse impact producing mechanism, a pressure regulating element, a transmission mechanism and a pilot bit, and the pressure regulating element, the transmission mechanism and the pilot bit are connected sequentially. Compared with the prior art, the cuttings hold-down effect of the pilot bit and the reaming bit is reduced while rotary impact drilling of the pilot bit can be realized, further the purposes of protecting the bits, prolonging the service lives and improving the drilling speed are realized, and the drilling effect is further improved.

The invention discloses a film feeding mechanism of a storage battery wrapped cell feeding slot machine, and relates to the field of storage battery production. The film feeding mechanism of the storage battery wrapped cell feeding slot machine solves the technical problem that automatic film wrapping needs to be carried out on plate groups. The film feeding mechanism of the storage battery wrapped cell feeding slot machine comprises a film supporting plate, a film taking device and a film cutting knife, wherein the film taking device is arranged on one side of the film supporting plate, the film taking device comprises an upper clamping plate, a lower clamping plate, a first driving device and a second driving device, the first driving device is used for driving the upper clamping plate and the lower clamping plate to get close to each other so as to tightly clamp film, the second driving device is used for driving the upper clamping plate and the lower clamping plate to transversely move so as to pull out the film, the film supporting plate comprises a front film supporting plate and a rear film supporting plate, a film cutting opening is formed between the front film supporting plate and the rear film supporting plate, and the film cutting knife is arranged over the film cutting opening. The film feeding mechanism of the storage battery wrapped cell feeding slot machine further comprises a film fixing device, wherein the film fixing device is used for fixing the film on the film supporting plate when the film is cut. The structure and the principle for achieving film feeding are simple, cutting of the film cutting knife is facilitated after the film on the two sides of the film cutting opening is tightly clamped through the film fixing device.

The invention relates to an end effector assisting in clamping an endoscope in minimally invasive surgery. The end effector aims at solving the problems that in existing surgery, a device for clamping an endoscope is high in weight, complex in structure and prone to generating movement interference in the swinging process, and acting force applied to a surgical incision of a patient exists. According to the end effector, a second connecting rod, a third connecting rod, a fourth connecting rod and a fifth connecting rod are equal in length, after the second connecting rod, the third connecting rod, the fourth connecting rod and the fifth connecting rod are connected, a rhombus is formed, the rhombus is symmetrically arranged with the center line of a first linear guide rail in the length direction as the symmetry axis, one end of a sixth connecting rod is hinged to the middle of the first connecting rod, the other end of the sixth connecting rod is hinged to one end of a seventh connecting rod and then fixed to a third slide block, the other end of the seventh connecting rod is arranged on a tail end telescopic body in a hinged mode, the sixth connecting rod and the seventh connecting rod are equal in length, and the sixth connecting rod and the seventh connecting rod are symmetrically arranged with the center line of the first linear guide rail in the length direction as the symmetry axis. The end effector is applied to the technical field of minimally invasive surgery medical equipment.

The invention discloses a sky train traffic system based on embedded tracks. The sky train traffic system comprises a sky train track system and a sky train vehicle system. The sky train track system comprises a sky train track beam and track beam stand columns for supporting the sky train track beam. The sky train vehicle system travels on the sky train track beam. An embedded track system is laid in the sky train track beam. According to the sky train traffic system based on the embedded tracks, the defects that rubber wheels of a traditional sky train are abraded heavily, and energy consumption is high are overcome, the vehicle carrying capacity is improved, the structure principle is simple, the production technology is mature, and the sky train traffic system is suitable for urban mass transit; by means of the sky train traffic system, not only can wheel abrasion and vehicle operation energy consumption be reduced, but also the operation comfort can be improved, and the curve negotiation and linear operation performance are improved significantly; and the sky train traffic system is novel, low in energy consumption, abrasion and cost and high in performance.

The invention relates to a perpendicular flow split conveying device for an automatic tire production line. The perpendicular flow split conveying device comprises a frame (1), a belt conveyer (2), an air cylinder (3) and a connecting rod (5). One end of the belt conveyer (2) is fixed to the frame (1), and the other end of the belt conveyer (2) is connected with the air cylinder (3) through the connecting rod (5). The air cylinder (3) is fixed to the frame (1). The air cylinder (3) controls the belt conveyer (2) to rotate. After the belt conveyer (2) reaches the designated position, a tire is directly conveyed to a designated conveying line through the belt conveyer (2). Compared with the prior art, the perpendicular flow split conveying device has the advantages of being high in degree of automation, high in sorting efficiency, safe, reliable and the like.

The invention discloses an automatic assembling machine for electronic heads of piezoelectric ceramic igniters. The automatic assembling machine comprises a plastic tee-joint conveyor, an automatic dispensing device, a crystal conveyor, an iron-head conveyor, an iron-head pre-pressing and press-sealing device, a plastic tee-joint rotating device, an iron-tail conveyor, an iron-tail pre-pressing and press-sealing device, an electric-head discharge device, an automatic circulation device and a control system. The plastic tee-joint conveyor, the automatic dispensing device, the crystal conveyor, the iron-head conveyor, the iron-tail conveyor, the iron-head pre-pressing and press-sealing device, the iron-tail pre-pressing and press-sealing device, the plastic tee-joint rotating device, the electric-head discharge device and a rotating disc are connected with the control system respectively. The automatic assembling machine is simple in structural principle and convenient to operate; production efficiency is greatly improved, assembly stability is good, equipment occupation area is small, product quality is guaranteed, production cost is greatly saved, and product market competiveness is improved.

The invention belongs to the technical field of marine corrosion and protection, and relates to a deep and shallow sea alternating corrosion environment simulator. Periodic changes of parameters such as pressure, temperature, dissolved oxygen and pH value are controlled to simulate alternating corrosion environment of sea water at different depths, and realize material performance test in the environment, so as to evaluate various performances of the material in deep and shallow sea alternating corrosion environment. The simulator comprises a pressure alternating system, a salinity regulating system, a pH value regulating system, a temperature control system, a dissolved oxygen regulating system, an auxiliary regulating system, a counterbalance valve, a central control board and a host computer. Medium temperature, medium dissolved oxygen and pH value are adjusted to simulate environmental parameters of deep sea or high pressure; and then a pressure alternating system is employed to conduct pressure change according to a set pressure curve, so as to simulate deep sea alternating environment and evaluate material properties. The simulator has simple structure principle, reliable usage and operation, real stimulating effects, good effects of deep and shallow sea alternating experiments, and strong practicability.

The invention relates to a feed source structure shared by an auxiliary reflector and a feed source and a double-frequency band antenna formed by the feed source structure; the shared feed source structure mainly comprises that: a gap ring is formed between a cutting awl and a circling part of the auxiliary reflector to form a microstrip antenna; and the double-frequency band antenna is formed by the shared feed source structure. The invention uses a Ka frequency band compact type ring-focus dual-reflecting surface antenna as an example; on the premise of not influencing the property of the Ka frequency band, the auxiliary reflector of the Ka frequency band ring-focus double-reflecting surface antenna is reconstructed to form an S-frequency band microstrip antenna and obtain the performance of the double-frequency band antenna so that the auxiliary reflector becomes the feed source of the S-frequency band to irradiate a main reflector, thereby obtaining the performance of the S-frequency band antenna. The feed source structure has a simple principle and easy realization; and the double-frequency band antenna formed by the feed source structure has a simple structure, excellent performance and wide application.

The invention discloses an electric control separation mechanism of an unmanned aerial vehicle and a parachute. The electric control separation mechanism comprises a rotary device, an electromagnet and a locking device; when the locking device is located in the locked device, the electromagnet is not electrified, an electromagnet armature does not extend out, a driving rod and a connecting rod form into a straight line, and a driving rod cannot rotate under the action of the tension of the parachute through the position of a dead point of a hinge four-bar mechanism; when the locking device is located in the unlocked state, the electromagnet is electrified, the electromagnet armature extends out, and the driving rod of the hinge four-bar mechanism is pushed to rotate to damage the position of the dead point of the hinge four-bar mechanism. According to the electric control separation mechanism of the unmanned aerial vehicle and the parachute, the large tension of the parachute is borne by components such as the driving rod, the connecting rod and the driven rod of the hinge four-bar mechanism and the components are high in self-strength and bearing capacity; an output thrust value of the electromagnet is small and accordingly the appearance size and the mass of the electromagnet and the electric control separation mechanism can be effectively reduced; the structural principle is simple and practical, the reliability is high, and the application value is large.

A lock hole protecting cover device for an electronic door lock comprises a key hole 2 located in a lock body panel 1, a lock cover 3, an induction switch 4, an electronic control device 5 and an electronic controller 6, wherein the key hole is covered with the key cover, the key cover cooperates with a buckle structure in the key hole for use, the induction switch is responsible for inducting the action that the key cover is opened, the electronic controller is responsible for controlling the electronic control device, the electronic control device is responsible for clamping the key cover in the key hole so that the key cover can not be opened in the power-on state, and when the electronic controller breaks down or obtains a corresponding opening instruction, the electronic control device will not influence opening of the key hole in the power-off state. Due to the adoption of the mode, daily normal use of an existing electronic door lock is not influenced, malicious damage to the key hole can also be prevented, the key cover can be directly opened when the electronic controller breaks down, and the dual purposes that daily protection is achieved and use is not influenced after faults are achieved.

The invention discloses a six-foot robot with autonomous navigation and remote control. The six-foot robot comprises a robot system and a remote control platform, wherein the robot system is in signal connection with the remote control platform, and the robot system comprises a first master control module, a limb mechanical structure, a first power supply power system, a steering engine control module, an LCD (Liquid Crystal Display) real-time display module, a fan-shaped-scanning-state ultrasonic module, a GPS (Global Positioning System) positioning module, an electronic compass module and a first wireless transceiver module; an upper computer control display interface is arranged on the remote control platform, and a second master control module, a second power supply power system, a second wireless transceiver module, a touch screen display control module and an RS232 serial port are arranged inside the remote control platform. According to the six-foot robot, the principle of structure is simple, the operation is convenient, the degree of intellectualization is high, remote control of a variety of instructions on the robot can be completed, and information measured by an environment sensing system loaded to the robot is fed back and displayed in real time.

The invention discloses a pressure-maintaining oil tank of an aircraft. An oil tank pressure-maintaining system is composed of an oil tank body, an oil filling port, an air vent, an oil conveying pipe, a shut-off valve, check valves and an oil tank static pressure transducer. An additional air source is not needed, so that boiling of fuel oil in the oil tank is avoided, air blockage in an oil supply pipeline is avoided, and safe aerial oil supply of the aircraft is achieved with the smallest structural weight. The pressure-maintaining oil tank is simple, easy to operate and high in reliability.

The invention discloses a self-service charging terminal based on distributed bookkeeping. The terminal comprises a data center server, an automatic charging terminal chip, a metering chip, a mobile phone and a networked charging system. An output end of the data center server is electrically connected with a distributed ledger system. Interaction between the distributed ledger system and the automatic charging terminal chip is realized through a router. The automatic charging terminal chip pre-sets a signature of a user and a contract creation mechanism. The self-service charging terminal based on distributed bookkeeping is capable of rapidly and accurately authenticating an identity of the user and confirming payment information of the user. Therefore, a charging process is automated andself-service. The level of automation of the self-service charging terminal is greatly improved so that the user can pay for his bill more quickly and conveniently. Additionally, the self-service charging terminal can precisely charge in an automated manner. The safety degree is high.

The invention relates to the field of plastic film making, in particular to a device for treating plastic film corrugation by means of airflow. The device comprises a pretreatment air rod, an after-treatment air rod, a corrugation smoothing roller, an airflow supplement fork and a rack, air taps are arranged at the bottom of the pretreatment air rod, the left group of the air taps are arranged to be inclined to the left, and the right group of the air taps are arranged to be inclined to the right; the structure of the after-treatment air rod is the same as that of the pretreatment air rod; the corrugation smoothing roller is located between the pretreatment air rod and the after-treatment air rod, and the corrugation smoothing roller comprises an air blowing cylinder and an air dispersing cylinder; a strip-shaped air dispersing belt is arranged on the side wall of the air dispersing cylinder, the air dispersing cylinder blows air into the air dispersing cylinder to enable the air dispersing cylinder to produce the air flow flowing outwards; the airflow supplement fork arranged on the middle-lower portion of the corrugation smoothing roller in a surrounding mode, and the airflow supplement fork produces upward airflow below the corrugation smoothing roller. According to the device for treating the plastic film corrugation by means of the airflow, the plastic film is blown and smoothed through the airflow before being rolled, and therefore the purpose of blowing corrugation to be flat is achieved.

The invention discloses a GIS partial discharge charged detection test device based on defect simulation, comprising a no-partial-discharge test transformer, a no-partial-discharge detection impedor, GIS defect simulation equipment, and a charged partial discharge detector. The no-partial-discharge test transformer is connected with defective components pre-arranged in the GIS defect simulation equipment through the no-partial-discharge detection impedor. A built-in broadband ultrahigh-frequency sensor is arranged inside the GIS defect simulation equipment, an external broadband ultrahigh-frequency sensor is arranged outside the GIS defect simulation equipment, and the built-in broadband ultrahigh-frequency sensor and the external broadband ultrahigh-frequency sensor are connected with the input end of the charged partial discharge detector. The device of the invention can be applicable to GIS partial discharge charged detection test under all kinds of defect simulation, can be used for simulating various defects truly and conducting charged detection test of local discharge signals for the defects, and has the advantages of simple structure principle, low cost and high reliability of test results.

The invention relates to a bumper block capable of adjusting the initial bounce property of a car door closure, comprising a bumper block body and a bumper block mounting structure matched with the bumper block body, wherein the bumper block body is provided with a pipe casing substrate, the pipe casing substrate is provided with a regulation spring, one end of the pipe casing substrate is provided with a height regulation guide rod matched and connected with the regulation spring, and the other end of the pipe casing substrate is provided with a force regulation mechanism matched with the regulation spring. The bumper block provided by the invention can avoid the influence of a manufacturing tolerance. According to the variation of door closure quality, the bounce height and bounce forceof the door closure are regulated without any design change. Moreover, the product provided by the invention has good popularity, can adapt to the door closures with the requirement of different weights and different bounce weights and has small influence on door closing force. In addition, the bump block provided by the invention also has the beneficial effects of outstanding performance and thelike, is convenient for installation and regulation, and can be widely used in various car door closures.

The invention provides a wisdom endowment ecosystem, which comprises a wisdom terminal, a life data module, a safety sensor module and a sign parameter measurement module. The life data module, the safety sensor module and the sign parameter measurement module are connected with a wisdom gateway; the wisdom gateway is connected with the wisdom terminal through a cloud transmission module; and the wisdom terminal is connected with a service mechanism and a monitor terminal. The wisdom endowment ecosystem is simple in structure principle, high in intelligence degree and convenient to use, can provide guidance and give assistance for any service of the old, can conduct various old man care services, can carry out passive detection on life living environment and physical conditions of the old, and provides safe and thoughtful services for the old to realize wisdom endowment.

The invention discloses a battery cooling device special for a new energy automobile. The battery cooling device comprises a sleeve body and an upper cover, wherein the bottom of one side of the uppercover is connected with the sleeve body via a rotation shaft, the sleeve body comprises a base and hollow insulation plates, the hollow insulation plates are perpendicularly arranged at two sides ofa part above the base, the hollow insulation plates are filled with cooling liquids, a cooling assembly is fixedly arranged on an outer wall of each hollow insulation plate, a cooling plate is fixedlyarranged on an inner wall of the base, a cooling fan group is arranged in an inner cavity of the base, and an air outlet is formed in the bottom of the base. The battery cooling device is simple in principle, effective cooling of an automobile battery can be achieved, the cooling effect is good, and the service lifetime of the automobile battery can be prolonged.

The invention relates to a technology of a swimming pool with a lift-type movable floor, in particular to a technology capable of regulating the water level depth of a swimming pool. The technology can be applied to the field of the swimming pool. The technology is mainly characterized in that the floor of the swimming pool can be movably lifted or lowered; when the movable floor of the swimming pool is lowered, the swimming pool can be used as a normal swimming pool, the descending depth can be randomly regulated and the swimming pool is suitable for various people with different depth requirements (such as children, old people and disabilities) and is suitable for indoor and outdoor swimming pools of all families, rehabilitation hospitals and children places; when the movable floor of the swimming pool is lifted to the ground, a multipurpose platform space which is suitable for pedestrians to walk on and is suitable for leisure activities is formed.

The invention discloses an online monitoring device and a monitoring method for a metallic oxide arrester. The device comprises a main control chip, a data acquisition module for acquiring leakage current signals and voltage signals, a background algorithm processing module for receiving the data of the data acquisition module, calculating the value of a resistive current and transmitting the value to the main control chip, and a man-machine interaction assembly in interactive connection with the main control chip. The data acquisition module comprises a voltage and current measuring module for measuring the voltage at the two ends of the metal oxide arrester and the leakage current of the metal oxide arrester, a filtering module for receiving the signal of the voltage and current measuring module and performing the filtering treatment, and a conversion module for receiving the signal of the filtering module and performing the AD conversion. Based on the online monitoring device and the monitoring method for the metallic oxide arrester, the influence of harmonic waves in the voltage on the resistive current extraction is fully considered. Meanwhile, the interference caused by the harmonic voltage on the resistive current extraction can be well reduced. Moreover, the efficiency and the accuracy of online monitoring are improved.

A fuel ball aspirator of ball - bed high temperature gas cooled reactor consists of suction nozzle and chamber, connection pipe with multi-hole, filter, air inlet silencer, air outlet silencer and fan. It featured as setting multi-hole pipe in suction chamber and connecting its one end to suction nozzle and another end to container, setting fan on base connecting its outlet to air outlet silencer and its inlet to air inlet silencer, connecting filter to suction chamber and air inlet silencer.

The invention discloses a clean, dustless and automatic blackboard wiping device. The device comprises a blackboard, a mobile blackboard eraser assembly and a control system; the mobile blackboard eraser assembly includes a [-shaped fixed plate, a brush, a wiping board, an air blower, a water tank and a water sucking pump; the brush, the water tank and the air blower are arranged on the inner side of the [-shaped fixed plate in sequence from left to right; the wiping board is arranged on the water tank, is [-shaped, and includes a mesh plate and wiping cloth arranged on the mesh plate; the water tank is provided with a second water nozzle for spraying water to the mesh plate; a water receiving disc is arranged below the blackboard; winding motors are respectively arranged at the left and right two ends of the blackboard, and are connected with the two sides of the [-shaped fixed plate through pull ropes; and the control system includes a controller, a starting button, a water spraying button, a water replenishing button and a brush button. The device is simple in structure principle and low in cost, can thoroughly remove characters on the blackboard, is high in efficiency, is free of delaying the teaching time, and is suitable for popularization.

The invention relates to a high-density silica back sealing process for a heavily-doped-phosphorous monocrystalline silicon wafer. The process comprises the following steps of: 1. preparing a silica film through a back sealing machine by adopting APCVD (Atmospheric Pressure Chemical Vapor Deposition); 2. annealing a wafer with silica by using a thermal annealing process during the manufacturing of a semiconductor; and 3. removing an oxidation layer from the facade and the edge of the wafer by using a method of removing an oxidation film in a scratch grinding manner or a manual film pasting manner. According to the invention, a monocrystalline silicon wafer back sealing material traditionally deposited by adopting CVD (Chemical Vapor Deposition) is enhanced by using the thermal annealing process during the manufacturing of the semiconductor, so that the compactness of the traditional CVD back sealing process is improved, and the requirement of an epitaxial process of a thick layer of the heavily-doped-phosphorous monocrystalline silicon wafer is satisfied. General-purpose equipment manufactured by the semiconductor is adopted by the thermal annealing process, so that the structure principle is simple. The back sealing process provided by the invention has high feasibility and strong practicability, thereby being suitable for large-scale industrial production.

The invention belongs to the field of medical apparatus and particularly relates to a medical dryer. The medical dryer comprises an enclosure and is characterized in that bracket slide rails are arranged in the enclosure, brackets are installed on the bracket slide rails, the upper layer of each bracket is a leak screen layer, leak holes are formed in each leak screen layer, the lower layer of each bracket is a guide layer, the leak screen layers and the guide layers are connected together, one side of each guide layer tilts down, a gap is reserved between the one side of each guide layer and the inner wall of the enclosure, a liquid discharge groove is formed in the bottom of the enclosure and connected with a liquid discharge pipe, and damp pumping exhaust fans are installed on the enclosure. In the drying process, even if water drips down from the leak holes of the leak screen layers, the water can not contaminate substances on the lower layers, and the possibility of liquid contamination is avoided. Meanwhile, the guide layers are arranged to isolate to-be-dried substances on each two brackets, and water evaporated from to-be-dried substances on each lower bracket surges upward, condenses after encountering each guide layer, is guided along the lower surface of each guide layer and then drips into the liquid discharge groove. The medical dryer can dry a plurality of different substances at the same time, and cross contamination can not happen.