32results about How to "Avoid pulling away" patented technology

The invention discloses a rapid collecting device for deep soil, and relates to the technical field of soil detection. The rapid collecting device comprises a sampling rack, a sampling depth control mechanism, a soil sampling cylinder assembly, a drill bit base assembly and drill bit assemblies. The rapid collecting device has the technical advantages that the device is applicable to collecting soil of different geological types, and can collect soil in deep soil layers; when the soil sampling cylinder assembly goes deep enough into soil, the multiple drill bit assemblies are controlled to pinch off the lower end of a soil column, the lower end of the soil column is supported, and the phenomenon that the soil column is extracted and pulled apart when the soil column is extracted out upwards is avoided. The sampling depth control mechanism is connected to the upper end of the sampling rack, the two ends of the soil sampling cylinder assembly are in sliding-fit connection with the two ends of the sampling rack, the middle end of the soil sampling cylinder assembly is in threaded connection with the sampling depth control mechanism, the drill bit base assembly is connected to the lower end of the soil sampling cylinder assembly, and the four drill bit assemblies are evenly wound around the lower end of the drill bit base assembly.

The invention belongs to the technical field of forestry felling, and particularly relates to a directional toppling auxiliary device for forestry cedar felling. The directional toppling auxiliary device aims at solving the problem that lumberjacks are injured inattentively due to the fact that fixing devices inserted into the ground can be suddenly pulled up once trees fall down due to the fact that one supporting frame is arranged in an existing lumbering auxiliary toppling device mostly and the bottom end of the supporting frame is inserted into soil. According to the scheme, the directional toppling auxiliary device comprises a timber pile nailed near the root of one side of a tree to be fallen and for preventing toppling, a main barrel with an upward opening and of a cuboid structurein the overall appearance, a hoop I and a hoop II, wherein the hoop I and the hoop II are hinged together. According to the directional toppling auxiliary device for forestry cedar felling, when the tree needs to be jacked and supported in the using process, firstly, only a tree trunk needs to be held through the hoop I and the hoop II, then the tree trunk can be propped against only by adjustinga transmission screw rod, and at the moment that the tree trunk is cut, a propping block, the hoop I and the hoop II can be automatically separated from a supporting device, so that the supporting device is prevented from being pulled away together, and the safety of a device is improved.

The invention provides a downhole seismic source, comprising an upper cylinder body, a middle cylinder body, and a friction slip arranged between the upper cylinder body and the middle cylinder body,and furthering comprising a slip mandrel arranged corresponding to the friction slip, and an adjusting ring sleeving the slip mandrel. The adjusting ring is in threaded connection with the slip mandrel so as to move in the axial direction of the slip mandrel, and therefore the pre-tightening force of the friction slip can be adjusted. The invention discloses the downhole seismic source. Through arrangement of the adjusting ring, the pre-tightening force on the friction slip can be adjusted by shifting and rotating the position of the adjusting ring so as to adjust the locking force of a locking mechanism, so that the strength of a vibration signal can be adjusted, and a standard vibration signal can be provided for borehole anti-collision monitoring and while-drilling earthquake technologies and is used for predicting the characteristics of a stratum in front of a drill bit and helping to identify the downhole condition.

The invention relates to the technical field of laser advanced additive manufacturing, and discloses an additive manufacturing deformation control method for thin-wall partition plate type parts. Themethod comprises the steps that firstly, the placement mode of a part is determined, then process support is added to a thin-wall structure part in the part, the sintering shape part of each layer oflayered slice of the thin-wall structure part is closed into a triangle, importing the process model added with the process support into magics software, manufacturing by adopting an SLM (Selective Laser Melting) process additive manufacturing method, and finally carrying out post-treatment on the obtained part to obtain the product. The problems that thin-wall partition plate type parts are proneto deformation and breakage due to large stress in additive manufacturing can be effectively solved, and the success rate of additive manufacturing of thin-wall structure assemblies is greatly increased.

The invention discloses an upper stop zipper device and clothes. The top-stop zipper device comprises cloth belts, a long upper stopper and a short upper stopper, zipper teeth and a zipper head, wherein the long upper stopper is arranged on the belt rib of one cloth belt, the short upper stopper is arranged on the belt rib of the other cloth belt, and the zipper teeth and the puller are arranged in the length direction of the belt rib. The zipper head can move along the zipper teeth, the zipper head is provided with a cavity facilitating insertion of the long upper stopper and the short upperstopper, the long upper stopper and the short upper stopper are elastic pieces, protruding clamping parts are arranged on the side portions of the long upper stopper and the short upper stopper, and grooves used for fixing the clamping parts are correspondingly formed in the side portions of the zipper head. By using the upper stop zipper device provided by the invention, the zipper can be effectively prevented from being passively unzipped in severe environments and strenuous exercises, and the upper stop zipper device is simple in structure and convenient to use, and can be popularized and used.

The invention discloses a manufacturing process of a two-step plate. The manufacturing process comprises the following steps: inner-layer circuits of a first core plate and a second core plate are respectively manufactured, wherein the inner layer circuit on the first core plate comprises bonding pads which are correspondingly arranged on two sides of the stepped groove area; a blind groove is milled in the periphery, corresponding to the stepped groove area, of the second core plate; the first core plate, first non-gummosis PP, second non-gummosis PP and the second core plate are laminated insequence and then pressed into a production plate, a first window and a second window which are larger than the maximum size of the stepped groove area are formed in the first non-gummosis PP and thesecond non-gummosis PP, and the size of the first window is larger than that of the second window; an outer layer circuit and a solder mask layer are sequentially manufactured on the production board; the part, corresponding to the stepped groove area, of the second core plate is removed to form a first groove hole and expose the bonding pad; and a second slotted hole is formed in the middle of the bottom of the first groove hole. According to the manufacturing process disclosed by the invention, the problem of abnormal quality caused by an inner-layer PAD on gummosis is effectively solved ina double-layer PP unequal-size windowing manner.

The invention belongs to the technical field of epidemic area air purification, and mainly relates to an epidemic area isolation room air purification device which comprises an installation plate, anda first air inlet room and a second air inlet room located at the upper end and the lower end of the installation plate, the first air inlet room is provided with a first fan and is connected with afirst air outlet flue; a sterilizer, a glass air guiding pipe and a first clapboard are arranged in the first air outlet flue; one end of the glass air guiding pipe is fixed onto the first clapboard and communicates with the first air inlet room; a humidifier is connected to the outlet end of the glass air guiding pipe; a second fan is arranged in the second air inlet room; the second air inlet room is connected with a second air outlet flue; a second clapboard is arranged in the second air outlet flue; and a high-temperature sterilization pipe is arranged on the second clapboard and communicates with the second air inlet room, so that the isolation room air circulation problem is solved, air is sterilized on the premise of maintaining air circulation, pathogene in the isolation room is prevented from discharging outdoors, and meanwhile, the outdoor pathogene is prevented from being introduced indoors.

The invention discloses a double-layer intercommunicating water supply valve of a ceramic closing element, and relates to the technical field of ceramic valves. The double-layer communicating water supply valve of the ceramic closing element solves the problems that an existing valve can be maintained only by cutting off water, an additional water cutting step is troublesome, the normal productiontime is occupied, the production efficiency is influenced, and the practicability is poor. The double-layer intercommunicating water supply valve of the ceramic closing element comprises a valve body, a water pipeline, a square sleeve rod and vertical supporting and inserting rods, wherein the valve body comprises a valve element sleeve, a supporting frame and a hand wheel, the valve body is of arectangular structure, a penetrating shaft hole is formed in the valve body, the valve element sleeve is welded and supported at the top end of the penetrating shaft hole, a circular cover plate is locked and blocked at the bottom of each of the valve element sleeve and the penetrating shaft hole, a supporting frame is welded to the top end of the valve body in a supporting mode, and the hand wheel is installed in the top middle position of a supporting rod of the supporting frame in a rotating-inserting mode. According to the double-layer intercommunicating water supply valve of the ceramicclosing element, two ceramic valve elements can be inserted, connected, abutted and positioned together through the two vertical supporting and inserting rods, and the two ceramic valve elements are prevented from being loosened and separated.

The invention discloses a support type infrared thermometer, which comprises a base, a limiting column, a locking mechanism, a rotating frame and a battery pack, a groove is formed in the side face of the base, the bottom of a movable plate is in threaded connection with a threaded column, the locking mechanism is fixed to the upper end face of the movable plate, and a sleeve frame is fixed to the upper end face of the base. The bearing box is fixed to the top of the voice broadcasting device, first handles are symmetrically fixed to the two sides of the sleeve frame, and the rotating frame is rotationally connected to the inner side of the support. According to the support type infrared thermometer, after the support type infrared thermometer is moved to a required place through the self-locking rolling wheels, the buckle can be manually pressed to enable the bottom of the buckle to be tilted, then the movable plate can be manually pulled outwards, the limiting column plays a role in limiting and blocking the movable plate, the movable plate is prevented from being completely pulled out of the groove, and then the threaded columns and the self-locking rollers can be manually and integrally screwed up and down, so that the height difference among the three self-locking rollers can be conveniently adjusted, and the device can be more stably placed at a required place.

The invention provides a vehicle window with anti-clamping and color-changing functions and a vehicle comprising the vehicle window, the vehicle window comprises an outer glass plate and an inner glass plate, at least two transparent conductive layers are arranged between the two glass plates, and a liquid crystal layer is arranged between the conductive layers; A shielding electrode and / or a sensing electrode of the anti-pinch capacitive sensor are / is arranged in an area, corresponding to the anti-pinch sensing area, of the conductive layer; and a plurality of mutually insulated conductive areas are arranged on the conductive layer corresponding to the color-changing areas, and the plurality of mutually insulated conductive areas are all used as multiplexing electrodes of a liquid crystaldriving electrode and a sensing electrode of the touch capacitive sensor. The anti-pinch electronic curtain has the beneficial effects that the electronic curtain is combined with the anti-pinch device, an independent conductive layer does not need to be arranged for the anti-pinch capacitive sensor, the anti-pinch capacitive sensor and the liquid crystal driving electrode of the electronic curtain or the sensing electrode of the touch capacitive sensor share the same conductive layer, and therefore the cost is reduced.

The invention belongs to the technical field of air purification in epidemic areas, and mainly relates to an air purification device for isolation rooms in epidemic areas. The air chamber is equipped with a first fan, and the first air inlet chamber is connected with a first air outlet, and a sterilizer, a glass air duct and a first partition are installed in the first air outlet, and the glass air duct One end is fixed on the first partition and communicates with the first air intake chamber, the outlet end of the glass air duct is connected with a humidifier, the second air intake chamber is installed with a second fan, and the second air intake chamber is connected with a second air outlet A second partition is installed in the second air outlet, and a high-temperature sterilization pipe is installed on the second partition. The high-temperature sterilization pipe communicates with the second air intake chamber to solve the problem of air circulation in the isolation ward. Under the premise of maintaining air circulation, the air is sterilized to prevent pathogens in the isolation room from being discharged outside, and at the same time, outdoor pathogens are introduced into the room.

The invention discloses a slide rail support base and a long-span structure system including the slide rail support base. The slide rail support base comprises an upper sliding rail, a lower sliding rail and a middle rotating support base; the middle rotating support base comprises an upper part of support base and a lower part of support base in rotatable connection with each other; the upper part of support base is in sliding connection with the upper sliding rail; the lower part of support base is in sliding connection with the lower sliding rail; length of the upper sliding rail is more than width; length of the lower sliding rail is more than width. Through such an arrangement, the limitation to displacement direction, displacement volume and stress of the traditional support base canbe overcome, height and width of support base can be adjusted according to requirements, stress is reasonable, processing is convenient and the slide rail support base can adapt to complex stressingconditions and can meet the requirements of architectural modeling.

The invention discloses a control method and device of a gas heating water heater. The control method includes the following steps that the combustion state of the gas heating water heater is obtained; the operation state of a fan is adjusted according to the combustion state of the gas heating water heater; and the operation state of the fan corresponds to the combustion state of the gas heatingwater heater. By adjusting the speed of the fan according to the combustion state of the gas heating water heater, it is realized that the fan speed corresponds to the staged combustion state of the gas heating water heater, the situation that flame is pumped away due to the high fan speed is avoided, the defect of excessive carbon monoxide caused by insufficient combustion is overcome, the safetyfactor of the gas heating water heater is improved.

The invention discloses a double-layer intercommunicating water supply valve of a ceramic closing element, and relates to the technical field of ceramic valves. The double-layer communicating water supply valve of the ceramic closing element solves the problems that an existing valve can be maintained only by cutting off water, an additional water cutting step is troublesome, the normal productiontime is occupied, the production efficiency is influenced, and the practicability is poor. The double-layer intercommunicating water supply valve of the ceramic closing element comprises a valve body, a water pipeline, a square sleeve rod and vertical supporting and inserting rods, wherein the valve body comprises a valve element sleeve, a supporting frame and a hand wheel, the valve body is of arectangular structure, a penetrating shaft hole is formed in the valve body, the valve element sleeve is welded and supported at the top end of the penetrating shaft hole, a circular cover plate is locked and blocked at the bottom of each of the valve element sleeve and the penetrating shaft hole, a supporting frame is welded to the top end of the valve body in a supporting mode, and the hand wheel is installed in the top middle position of a supporting rod of the supporting frame in a rotating-inserting mode. According to the double-layer intercommunicating water supply valve of the ceramicclosing element, two ceramic valve elements can be inserted, connected, abutted and positioned together through the two vertical supporting and inserting rods, and the two ceramic valve elements are prevented from being loosened and separated.

The invention discloses a clutch mechanism of an electronic lock cylinder. The clutch mechanism comprises a front handle assembly, a rear handle assembly and a lock cylinder body, wherein the rear handle assembly comprises a front spindle and a rear spindle. The front spindle and the rear spindle each comprise a front handle and a rear handle, the front spindle and the rear spindle are arranged ina synchronous rotation mode, the rear spindle sleeves the front spindle, the front spindle is internally provided with a clutch mechanism body, the clutch mechanism body includes a lock cylinder shaft and a pawl, a poke rod is eccentrically arranged at one end of the lock cylinder shaft, a through hole is provided on the side wall of one end of the front spindle, the claw is slidably disposed inthe through hole, clamping protrusions are symmetrically arranged on the two sides of the pawl, a plurality of racks are symmetrically arranged on the inner wall of the rear spindle, the clamping protrusions on one side of the rear spindle can be engaged with the racks to realize one-way driving of the rear spindle, and the poke rod drives the clamping protrusions on the other side of the claw tobe engaged with the reversing of the racks after the lock cylinder shaft rotates reversely. The clutch mechanism has the effects that locking is convenient and fast, the structure is simple, and the electric quantity is saved.

The invention discloses a sand loading device for building engineering construction. The device comprises rollers, an installing frame, a lead screw, a shovel hopper, a driving base, a supporting plate, a fixed pulley, a pull rope, an installing plate, a stepping motor, a belt wheel, a take-up wheel, a spring base, a rack, a guiding hopper, an electric push rod, an installing frame, a sliding base, a clamping base, a connecting rod, a sliding rod, a supporting frame, a fixed plate, a positioning plate, a guide rod, a U-shaped adjusting rod and a rolling gear. The U-shaped adjusting rod is pushed, the U-shaped adjusting rod drives the sliding rod towards one end of the installing frame through the guiding rod, the sliding base and the connecting rod, the sliding rod drives the clamping baseto clamp the opening of the bag, in this way, the opening of the bag can be better clamped, the phenomenon that a sand bag opening is pulled open by one person is avoided, the working intensity of workers is greatly lowered, sand can be better loaded into a sand bag, the phenomenon that sand is shoveled into the sand bag again and again is avoided, the sand loading efficiency is greatly improved,a large amount of time is shortened, and meanwhile the practicability is enhanced.

The invention relates to the technical field of public opinion information processing, and discloses an automatic ascending and descending type online public opinion control device. The automatic ascending and descending type online public opinion control device comprises a body, a display screen, a loudspeaker and a work table, wherein the work table is of a hollow structure; a support plate is arranged inside the work table; a keyboard is fixed on the upper surface of the support plate; a first position limiting rod is movably connected onto each of the four corner positions of the support plate in a sleeving way; the rod walls of the two ends of each of the four first position limiting rods are respectively and fixedly connected with upper and lower side plates of the work table; a rectangular opening is formed in the upper side plate of the work table; two baffle plates are symmetrically arranged inside the rectangular opening; position limiting grooves are symmetrically formed inside the upper side plate of the work table; the two baffle plates are glidingly connected with the corresponding position limiting grooves; pulling plates are respectively and fixedly arranged on theupper surfaces of the two baffle plates; and a pushing-out mechanism is arranged inside the work table. The keyboard is arranged inside the work table, so that the dust accumulation on the keyboard can be effectively avoided.

This application relates to the technical field of laser advanced additive manufacturing, and discloses a deformation control method for additive manufacturing of thin-walled partition parts. The sintered shape of each layered slice of the thin-walled structure is partially closed into a triangle, and then the process model with added process support is imported into the magics software, and the SLM process additive manufacturing method is used for manufacturing, and finally the obtained parts are processed After processing, the product is obtained. The application can effectively solve the problems of easy deformation and high stress and easy fracture of thin-wall partition parts, and greatly improves the success rate of additive manufacturing of thin-wall structural components.

The invention discloses a knee joint ligament rupture rehabilitation training device for preventing flexion, extension and strain, and relates to the technical field of rehabilitation medical equipment. The main shaft is connected to the side of one end of the two connecting rods II, and the electric telescopic rod can drive the patient to perform knee joint flexion and extension training to assist the patient to complete the training. , Adjust the degree of flexion and extension training in different rehabilitation stages, can accurately control the patient's knee flexion angle, avoid the angle that is too small and lead to the weakening of the rehabilitation training effect, and prevent the patient's knee from being injured again if the angle is too large. Dislocation in the left and right directions, through the anti-dislocation assembly to prevent joint dislocation in the front and rear directions during training.

The invention relates to a deep soil rapid collection device, which relates to the technical field of soil detection and includes a sampling frame, a sampling depth control mechanism, a soil sampling cylinder assembly, a drill bit seat assembly and a drill bit assembly. The beneficial technical effect is that the present invention is applicable to different geological types For soil collection, the soil in the deeper soil layer can be collected; when the soil sampling cylinder assembly penetrates into the soil to a sufficient depth, the lower end of the soil column is pinched off by controlling multiple drill bit assemblies, and the lower end of the soil column is Play the role of support to avoid the soil column being pulled away and broken when the soil column is taken out upward. The sampling depth control mechanism is connected to the upper end of the sampling frame, the two ends of the soil sampling cylinder assembly are respectively slidingly fitted and connected to the two ends of the sampling frame, the middle end of the soil sampling cylinder assembly is connected to the sampling depth control mechanism through threads, and the drill seat The assembly is connected to the lower end of the soil sampling cylinder assembly, and the four drill bit assemblies are uniformly arranged around the lower end of the drill bit seat assembly.

The invention discloses a water-free sanitary appliance covering plate structure which is characterized by comprising a urinal body, a hinge driving part, a covering plate body, a pressing part and a balance weight part, by arranging the hinge driving part, the covering plate body and the balance weight part, the balance weight part is used for being matched with the covering plate body and the hinge driving part in the rotatable state of the hinge driving part, and the pressing part is used for pressing the pressing part; the center of the covering plate body is arranged in the direction, far away from the feeding port of the urinal body, of the hinge driving piece, so that when the center of the covering plate body loses support, the center of the covering plate body is arranged in the direction far away from one side of the feeding port through the self weight of the covering plate body and the gravity center generated by the gravity balance weight piece; the cover plate body realizes an automatic closing function, the closing of the cover plate body has no self-locking capability, and the cover plate body can be opened under a large external force, so that the cover plate body can be directly separated by the external force, the cover plate body is prevented from limiting the extraction of a human body or an object, and the human body and the object are prevented from being damaged by a stirring rod or the cover plate body.

The invention discloses an anti-disturbance tripping method for unbalance protection of a high-voltage capacitor with an inner fuse. The anti-disturbance tripping method for unbalance protection of the high-voltage capacitor with the inner fuse comprises the following steps: 1, obtaining an unbalance variation constant value delta 3 of unbalance protection of the high-voltage capacitor with the inner fuse; 2, determining protection delay time T according to fusing time of the inner fuse when a short-circuit fault occurs in a capacitor element; 3, when a protection device detects that the unbalance variation of the high-voltage capacitor satisfies the unbalance variation constant value delta 3 and a duration satisfies the protection delay time T, carrying out an operation of adding 1 on accumulators; 4, determining a protection action strategy for unbalance protection of the direct-current filter high-voltage capacitor with the inner fuse according to values after the operation on accumulators c1 and c2 in step 3. The anti-disturbance tripping method for unbalance protection of the high-voltage capacitor with the inner fuse has the advantages that the influence caused by disturbance to the unbalance protection of the direct-current filter high-voltage capacitor with the fuse can be limited, the protection accumulators add 1 when disturbance occurs, a protection alarm is given but tripping is not conducted, and the high-voltage side isolator of the direct-current filter or the direct-current system is prevented from being pulled open for ESOF (Emergency Switch Off).

The invention relates to a spiral double-flange occlusion tank, in particular to a spiral double-flange occlusion tank reinforcing structure and a large-sized spiral double-flange occlusion tank applying the spiral double-flange occlusion tank reinforcing structure. The occlusion tank reinforcing structure comprises occlusion ribs, wherein one side, which is far away from a tank wall, of each occlusion rib is provided with a vertical reinforcing rib; the occlusion ribs are provided with connecting pieces which can be engaged with the occlusion ribs; the occlusion ribs are fixedly connected with the reinforcing ribs through the connecting pieces. The large-sized spiral double-flange occlusion tank comprises a tank body, wherein the occlusion ribs transversely surround the outer surface of the tank body and are isolated up and down; the vertical reinforcing ribs surround the tank body at intervals; the occlusion ribs are connected with the reinforcing ribs through the connecting pieces. The occlusion tank reinforcing structure and the large-sized spiral double-flange occlusion tank have the beneficial effects that the strength of the tank body can be effectively enhanced, the tank body is prevented from leaking and collapsing, and the like.

The invention discloses a storage device and a drawer closing method thereof. According to the storage device, one of a motor or a rack for driving a drawer is arranged on an installation base, the installation base is arranged on an energy storage mechanism, when the drawer is opened, a gear and the rack are unhooked, and the installation base is located at a high position; when the gear and the rack are meshed, the installation base is located at a low position; a position detection device is combined to determine the position of the installation base; when the installation base is in the low position, the motor is controlled to be started to enable the drawer to be automatically closed; and when the drawer needs to be closed, pushing force only needs to be applied to any position of the front end of the drawer, compared with pressing of a button at a specific position, operation is easier, and the storage device is more suitable for pharmacy application. Meanwhile, when a worker in front of the drawer collides with the opened drawer, the drawer can automatically trigger the motor to close the drawer under the action of thrust, so that hard collision between the drawer and the worker is effectively avoided, and the safety is fully improved.

The invention provides a hand-controlled color-changing glass with anti-crosstalk function, comprising an outer layer glass plate and an inner layer glass plate. At least two transparent conductive layers are arranged between the outer layer glass plate and the inner layer glass plate, and a liquid crystal layer is arranged between the transparent conductive layers. At least one transparent conductive lay is provided with a plurality of mutually insulate conductive regions, and adjacent mutually insulated conductive regions form a sensing electrode of a capacitive touch sensor and / or a partition drive electrode of a liquid crystal; The control circuit of the color-changing glass is provided with a turning switch, and the driving signal of the liquid crystal and the excitation signal of thecapacitive touch sensor are periodically turned on in time division. The invention has the beneficial effect that the commutation switch is arranged in the circuit, and the liquid crystal and the capacitive touch sensor are turned on periodically by the commutation switch, so as to avoid the crosstalk problem between the driving signal of the liquid crystal and the excitation signal of the capacitive touch sensor, and improve the control accuracy.

The invention relates to a PCCP prestress steel wire joint binding structure and a method, and in particular relates to a PCCP steel wire joint and a binding method thereof. The PCCP steel wire jointcomprises a binding wire for binding and a to-be-bound left steel wire and a to-be-bound right steel wire overlapped together. The binding wire comprises a left binding wire winding the to-be-bound left steel wire, a co-binding wire winding the overlapped section of the to-be-bound left steel wire and the to-be-bound right steel wire and a right binding wire winding the to-be-bound right steel wire. By implementing the technical scheme, the PCCP steel wire joint is simple in operating process, the tensile stress of the joint can reach the minimum ultimate strength of the steel wire, and the joint breaks out of the binding wire after a test. The problems that the joint is insecure, the binding wire is loose, slips and upwarps and the fracture after the test does not meet the specification and the like can be solved effectively, open of the joint is avoided, the wire withdrawal rate is reduced, the cost is saved and the work efficiency is improved.

The invention discloses an anti-disturbance tripping method for unbalance protection of a high-voltage capacitor with an inner fuse. The anti-disturbance tripping method for unbalance protection of the high-voltage capacitor with the inner fuse comprises the following steps: 1, obtaining an unbalance variation constant value delta 3 of unbalance protection of the high-voltage capacitor with the inner fuse; 2, determining protection delay time T according to fusing time of the inner fuse when a short-circuit fault occurs in a capacitor element; 3, when a protection device detects that the unbalance variation of the high-voltage capacitor satisfies the unbalance variation constant value delta 3 and a duration satisfies the protection delay time T, carrying out an operation of adding 1 on accumulators; 4, determining a protection action strategy for unbalance protection of the direct-current filter high-voltage capacitor with the inner fuse according to values after the operation on accumulators c1 and c2 in step 3. The anti-disturbance tripping method for unbalance protection of the high-voltage capacitor with the inner fuse has the advantages that the influence caused by disturbance to the unbalance protection of the direct-current filter high-voltage capacitor with the fuse can be limited, the protection accumulators add 1 when disturbance occurs, a protection alarm is given but tripping is not conducted, and the high-voltage side isolator of the direct-current filter or the direct-current system is prevented from being pulled open for ESOF (Emergency Switch Off).

The invention provides a chip material taking mechanism which is structurally and mainly composed of a material taking arm, an electromagnetic suction platform, a pressure sensor, a V-shaped block group, an elastic recovery mechanism. A V-shaped boss, a vacuum suction nozzle and the like are arranged on the material taking arm, the electromagnetic suction platform and the elastic recovery device are used for enabling the material taking arm to move up and down, the pressure sensor can test pressure when the electromagnetic suction platform sucks the material suction arm, finally electromagnetic suction force can be adjusted through a feedback device to prevent suction force from being too large to cause the material taking arm to vibrate remarkably, a rotation section of the material taking arm can support the material taking arm, and a specially-designed stopping block can stop the material taking arm to prevent the elastic recovery device from pulling the material taking arm to be far away from a magnet force suction range of the electromagnetic suction platform. The mechanism can be applied to a chip picking device and related particle picking equipment.

The invention discloses an anti-bubble liquid control device. The anti-bubble liquid control device is characterized by being arranged between a lens assembly and a substrate; a separation structure, a liquid seal belt and an auxiliary seal belt are arranged at the periphery of a liquid injection cavity and a recovering cavity, so that boundary bubbles are prevented from being generated while bubbles are brought away in the process of replacing maintenance liquid; liquid filled into the liquid injection cavity can be promoted to flow into the recovering cavity as much as possible through the separation structure; non-uniform liquid flow for promoting the liquid to gather inwards is applied at the periphery of the liquid injection cavity and the recovering cavity by the liquid seal belt according to the pressure distribution characteristic of a flow field, and the liquid seal belt has a leakage inhibition effect and a flowing traction effect; and the auxiliary seal belt is used for absorbing the liquid which can be leaked under the working condition of quick movement of the substrate and can apply certain liquid compensation to a boundary flow field. In addition, due to the application of the liquid which is the same as a medium in an observation area in the device, inter-infiltration and inter-diffusion among different fluid media can be prevented; and the device has high reliability and adaptability.