33results about How to "Stable separation" patented technology

The invention discloses a method for selectively separating valuable metals from a positive electrode material of a waste lithium battery, and belongs to the technical field of resource recycling of waste lithium ion batteries. The method comprises the following steps: preparing an aprotic deep eutectic solvent (DES) as a leaching agent and an electrolyte at the same time; the method comprises the following steps: adding a waste positive electrode material into DES, and leaching to obtain a DES leaching-electrolyte system; according to the method, the pulse voltage is applied in stages, selective separation of nickel, cobalt and manganese is achieved by controlling the pulse peak voltage (the first stage is-0.8 V to-1.0 V, the second stage is-1.0 V to-1.2 V, and the third stage is-1.2 V to-1.5 V), and the pulse frequency and the duty ratio are used for regulating and enhancing mass transfer and restraining side reactions. According to the method, the metal deposition potential difference is expanded through DES coordination regulation and control, efficient selective separation of nickel, cobalt and manganese is achieved in combination with pulse step-by-step voltage control, and the method has the advantages of being high in separation efficiency, few in side reaction, simplified in process, high in product purity and the like.

The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a smelting arsenic-containing wastewater early warning monitoring method based on electrical sensing, and relates to the technical field of environmental monitoring. The application discloses a method for monitoring and early warning of smelting wastewater containing arsenic based on electrical sensing, which effectively improves the resolution and early warning real-time performance of electrical monitoring of arsenic-containing wastewater.

The utility model belongs to the cigarette production technical field, concretely relates to a kind of on-line automatic adjusting device of secondary winnowing air inlet ventilation quantity of cigarette machine, the device includes: porous baffle, is blocked in the air inlet place;Drive arrangement, the drive arrangement non-drive end is fixedly installed in the lower surface of the porous baffle;Wear plate, one end is fixedly connected in the drive end of the drive arrangement, the other end is attached to the hole face of the porous baffle;The drive arrangement drives the wear plate to make relative translation along the hole face of the porous baffle, adjusts area by covering / exposing hole to change the effective area of porous baffle aperture, to realize the on-line automatic adjustment of air inlet ventilation quantity.The utility model replaces artificial knob or valve preset by automation control completely, reduces the working intensity of operator, and reduces the equipment downtime or debugging frequency caused by improper human operation, and then reduces maintenance cost.

A visual feedback type vacuum adsorption partition temperature control method and system for semiconductor testing relates to the technical field of semiconductor testing. The existing semiconductor temperature control method has poor temperature control precision and stability for each partition. An infrared thermal image containing all semiconductor devices is collected, partitioned according to the number of semiconductor devices, the temperature gradient of each adjacent two partitions is identified, and the transverse heat conduction coefficient between each adjacent two partitions is obtained; thereby constructing an interference matrix; using the interference matrix, the temperature average value in each partition is fed forwardly compensated to obtain the purification temperature feedback vector of each partition; comparing the feedback vector with the preset target temperature of each partition, the driving current correction amount of each partition is generated, and the working current of the thermoelectric refrigerator of each partition is adjusted according to the correction amount, so as to realize the temperature regulation of each partition semiconductor device; the transverse heat conduction coefficient of the next sampling period is updated, and the temperature regulation is carried out in real time. It is used for regulating the temperature of semiconductor devices.

The utility model belongs to photovoltaic technical field discloses a kind of for silicon wafer separation's device for separating piece. Including material receiving and conveying mechanism, material distribution conveying mechanism, material support turnover mechanism, silicon wafer side clamp centering mechanism, piece separating side clamp centering mechanism being arranged in turn in order, piece separating mechanism is further provided on silicon wafer side clamp centering mechanism, the piece separating mechanism includes piece separating drive assembly, water spraying assembly B, piece separating drive assembly is set in the top of water spraying assembly B, piece separating drive assembly is set on fixed base plate B, and piece separating drive assembly includes cylinder, the cylinder stem front end of cylinder is connected with cylinder connecting plate by cylinder connecting piece, the bottom surface both ends of cylinder connecting plate each connect a guide shaft, guide shaft bottom is set out fixed base plate B, the bottom inside of two guide shafts is set up two vertical rods between two vertical rods and sets up piece separating line;Fixed base plate B bottom surface is provided with water spraying block A. It can stably separate silicon wafer, and separation efficiency is high, and separation is stable and accurate.

A processing device (EA) for a microneedle (MN) having a protrusion (MN1) is provided with: a support mechanism (10) that supports a microneedle (MN) formed on a support member (14) by means of the support member (14), the support member (14) having a first recess (14B) corresponding to the protrusion (MN1) and a second recess (14C) not corresponding to the protrusion (MN1); a separation mechanism (30) that separates the microneedle (MN) from the support member (14) by means of a holding member (32) that holds the microneedle (MN); and a biasing mechanism (40) that biases the microneedle portion (MN2), which has entered the second recess (14C), toward the holding member (32).

This invention relates to a method for the stepwise recovery of magnesium and calcium from high-salinity brine. The method includes the following steps: first, mixing the high-salinity brine with an extraction system for extraction to obtain an organic phase loaded with magnesium and calcium; then, mixing the magnesium- and calcium-loaded organic phase with a first back-extraction system for a first back-extraction to obtain a magnesium back-extraction solution and a calcium-loaded organic phase; subsequently, mixing the calcium-loaded organic phase with a second back-extraction system for a second back-extraction to obtain a calcium back-extraction solution; the high-salinity brine contains Cl... ‑ The concentration is ≥150 g / L, and the extraction system includes a combination of β-diketone extractants and neutral phosphorus extractants; the method achieves efficient separation and recovery of magnesium and calcium in high-salinity brine, Mg 2+ / Ca 2+ The separation coefficient is preferably as high as 2000 or more, Mg 2+ The recovery rate is preferably as high as 99.5% or more; Ca 2+ The recovery rate is preferably as high as 99.0%.

This invention provides an explosion-proof automatic sewage discharge device for a gas-liquid separator, relating to the technical field of gas-liquid separation. It includes: a separation tank, a sealed cover, a load-bearing base, a load-bearing frame, a sewage discharge seat, and a support. The load-bearing base has an installation slot on its top. The load-bearing frame is located on the top of the load-bearing support and has a positioning ring on its side. The separation tank is located on the side of the load-bearing frame. The sealed cover is located on the top of the separation tank. The sewage discharge seat is located on the side of the load-bearing support. The support is located on the top of the load-bearing base. A cleaning scraper removes contaminants adhering to the bottom of the inner side of the separation tank, and a guide pipe, in conjunction with a guide baffle, guides and transports the liquid carrying the contaminants. This solves the problems of contaminants easily adhering and accumulating at the bottom of the separation tank in most gas-liquid separators during actual use, and the common practice of using a single-tank fixed-point sewage discharge method, which requires machine shutdown or interruption of operation during the sewage discharge process.

The utility model belongs to the technical field of medical apparatus and instruments, especially point to a kind of multifunctional cupping therapy machine, including control main body, air pressure regulating device and jar body, hollow cavity is formed in jar body, air pump interface and electromagnetic valve interface are equipped in control main body, air pressure regulating device includes power supply, negative pressure pump, solenoid valve and circuit board, air pump interface is connected with negative pressure pump, electromagnetic valve interface is connected with solenoid valve, the bottom of control main body is equipped with connecting piece, placing cover is screw-threaded connection on connecting piece, heating plate and physiotherapy article are equipped in placing cover, heating plate is located above physiotherapy article, placing cover is located in the cavity of jar body, the bottom of placing cover is equipped with several air outlet, control main body is equipped with control button, it is a kind of multifunctional cupping therapy machine with simple structure, has vibration massage and wormwood physiotherapy function, so that user can select according to own actual demand, so that user can achieve better physiotherapy effect after using cupping therapy machine physiotherapy.

This application discloses an automatic cap-removing device, comprising: a conveyor belt for conveying caps; a cap storage device including a cap storage cylinder and a separating member disposed at the bottom of the cap storage cylinder, the separating member having a groove for clamping the edge of the cap to restrict its free fall; and a cap-removing device disposed between the conveyor belt and the cap storage device for removing the bottommost cap from the cap storage device and placing it onto the conveyor belt. The groove design on the separating member effectively restricts the free fall of the cap, ensuring that only one cap reaches the cap-removing position at a time, thereby stably achieving single cap separation. This avoids the problem in existing technologies where two or more caps are removed and placed onto the conveyor line simultaneously, greatly improving the accuracy and stability of cap separation and providing a reliable guarantee for the subsequent cap-closing process.

This invention discloses a method for simultaneously separating multiple active ingredients from *Pterocarya stenoptera* essential oil, belonging to the field of natural product separation and purification technology. The invention includes the following steps: (1) sequentially subjecting *Pterocarya stenoptera* to steam distillation and molecular distillation to obtain *Pterocarya stenoptera* essential oil; (2) subjecting the *Pterocarya stenoptera* essential oil to dehydration and degassing to obtain pretreated essential oil; (3) subjecting the pretreated essential oil to two-stage molecular distillation to obtain fraction 1, fraction 2, and residual liquid; (4) subjecting fraction 1, fraction 2, and residual liquid to vacuum precision distillation to simultaneously separate multiple active ingredients from *Pterocarya stenoptera* essential oil. This invention features a green and environmentally friendly process, no organic solvent residue, low energy consumption, and strong controllability, enabling continuous industrial production. The purity of each monomer product is ≥98%, with the main component, methyl salicylate, having a purity ≥99%. This fully exploits the resource value of *Pterocarya stenoptera* essential oil and significantly increases the added value of the product.

This utility model discloses a cyclone separator for a biomass circulating fluidized bed boiler, comprising a flue gas inlet section, a gas-solid two-phase separation section connected to the flue gas inlet section, a flue gas outlet section connected to the top and bottom of the gas-solid two-phase separation section respectively, and a solid return section. The solid return section includes multiple coaxially connected and fixedly connected solid return straight sections and multiple solid return conical sections, which are arranged at intervals in the vertical direction. Flue gas flows in from the flue gas inlet section, rotates along the inner wall of the gas-solid two-phase separation section, and achieves gas-solid two-phase separation through centrifugal force. The gas phase flows out through the flue gas outlet section, and the solid phase is returned from top to bottom through the solid return section. Through segmented and optimized solid return path and gas-solid separation flow field, the intermittent blockage problem caused by alkali metal adhesion in traditional cyclone separators is solved, avoiding forced boiler load reduction or shutdown. It is especially suitable for biomass combustion scenarios with complex fuel types and variable ash composition.

This utility model relates to the field of filter cloth cleaning technology, and proposes a gypsum cleaning device for a dewatering machine and a dewatering machine. The gypsum cleaning device for the dewatering machine includes: a scraper, a crossbeam, a fixed side plate, a main beam, and turnbuckles; the scraper is fixedly connected to the crossbeam, the crossbeam is rotatably mounted in the fixed side plate, and the fixed side plate is fixedly connected to the main beam; swing arms are fixedly connected to both ends of the crossbeam, each swing arm is fixedly connected to a chain, each chain is connected to a torsion spring through a turnbuckle, and each torsion spring is mounted on the main beam; a conveyor roller is rotatably mounted on the main beam, and a filter cloth is placed on the conveyor roller; the torsion springs indirectly apply an elastic force to the crossbeam to rotate it until the scraper and the filter cloth are in contact. With the cooperation of the swing arms, chains, and turnbuckles, this device achieves automatic adjustment of the distance between the scraper and the filter cloth. It can precisely control the angle and pressure of the scraper, allowing solid gypsum to separate smoothly from the surface of the filter cloth, effectively preventing damage to the filter cloth due to excessive local pressure.

This invention relates to a method for modifying molten steel slag with carbon dioxide throughout the entire process under normal pressure. The method includes: first, adding the first batch of steel slag to a slag pot for melting; then, adding 10%–35% of the mass of the first batch of hot molten steel slag as a steel slag fracturing agent to the slag pot; next, unloading a second batch of hot molten steel slag into the slag pot through a slag discharge device of a converter or continuous casting system; then, adding a second batch of hot molten steel slag as a steel slag fracturing agent to the slag pot, repeating this cycle until the slag pot is full. This method achieves complete dissociation and efficient separation of the molten steel slag by adding modified steel slag tailings and steel slag fracturing agent in layers into the slag pot, utilizing the phased and temperature-segmented release of carbon dioxide by the fracturing agent. This completely solves the problems of iron-rich casting residue, desulfurization slag welding pot, and agglomeration. This method can be combined with the phased supply of solid carbon dioxide to synergistically improve the strength of the steel slag. The residue after supply can be utilized as a resource, making it environmentally friendly and efficient.

This utility model proposes a supporting building formwork, including a first formwork, a second formwork, and two third formworks. The two third formworks are detachably connected between the first and second formworks, forming a casting chamber between the two third formworks and the first and second formworks. First assembly blocks are installed on both sides of the first formwork, and a first fixing block is detachably installed in the middle of each first assembly block. Second assembly blocks are installed on both sides of the second formwork, and a second fixing block is detachably installed in the middle of each second assembly block. A tubular elastic component is installed on the first fixing block, facing the second fixing block, and a multi-point impact component is installed at the end of the tubular elastic component to impact the second fixing block. This utility model achieves formwork removal through the tubular elastic component and the multi-point impact component, avoiding single-point force damage to the concrete, protecting structural integrity, simplifying the removal process, improving construction efficiency, and allowing the impact component position to be adjusted to adapt to different construction scenarios, thus reducing construction risks.

This utility model belongs to the field of switch technology, specifically a silent tactile switch, including a base and a top cover. The base is provided with a first contact and a second contact, both of which extend into the interior of the base. A dome switch is mounted on the base, including a connecting part and a contact part. The contact part is provided with a moving contact that mates with the second contact. The top cover is provided with a button that extends through the top. A silicone pad is provided between the button and the dome switch. The bottom end of the silicone pad has a protrusion that contacts the dome switch, and also has a vent hole and a positioning protrusion on the bottom circumference. The top of the base is provided with a positioning groove that mates with the positioning protrusion. The top cover and the base are riveted together. Through the above structural design, this utility model can effectively reduce pressing and rebound noise, improve the quietness of operation and response sensitivity, and extend the service life.

The present application provides a kind of shot blasting system, it includes: shot blasting cabinet, the side of shot blasting cabinet is provided with door body, and shot blasting cabinet top is also installed with shot blasting machine and shot blasting machine has the injection port located in shot blasting cabinet and sets up downwards;Vibrating disc is located just below the shot blasting machine, vibrating disc is opened with several small holes, and the side of vibrating disc towards door body is also provided with guide exit;Vibrating cross bar is installed in shot blasting cabinet, and vibrating cross bar one end is connected with vibration motor and is connected with vibration motor by passing out to the outside of shot blasting cabinet, and vibrating disc is supported on vibrating cross bar;Fixed boom is also fixedly arranged in shot blasting cabinet, and reciprocatingly moves with telescopic boom, fixed boom is close to door body and is connected with vibrating disc by first cable, and telescopic boom is away from door body and is connected with vibrating disc by second cable, and telescopic boom can also rotate to wind second cable.The present application solves the problem that steel sand and impurities may cause internal components to be stuck and reduce the overall shot blasting efficiency when small size metal workpieces are subjected to shot blasting treatment in the prior art.

The application belongs to the technical field of strength test, and particularly relates to a test piece releasing device and method for a vertical gas gun system. A barrel is vertically fixed on a support, the barrel mouth faces downward, and the bottom of the barrel is connected with a high-pressure gas source. A cartridge support is filled in the barrel, and the downward side of the cartridge support is provided with a mounting groove for accommodating a test piece. A combined support rod supports the test piece. A supporting device driving rod is driven to be radially extended by a control device, and the driving rod enters the barrel to support the cartridge support when the driving rod is extended. The test piece is mounted in the mounting groove, the test piece is pressed on the support rod by gravity, the support rod cannot be radially recovered, the support rod supports the test piece to keep the test piece in the mounting groove, there is a gap between the test piece and the groove bottom, the test piece is close to the groove bottom at the moment of launching, and the support rod is radially recovered under the action of a spring.

This utility model relates to the field of household appliance technology, and discloses a steam generator and cooking appliance. The steam generator includes a water tank, a heating element, a water-blocking element, and an impeller assembly. The water tank has a cavity, and the heating element is disposed on the water tank. The water-blocking element includes a water-blocking plate, which is positioned below and close to the high water level line of the water tank, allowing fluid below the water-blocking plate to pass over it. The water is heated into steam and rises in gaseous form until it overflows the liquid surface. The function of the water-blocking plate is to puncture large air bubbles into smaller ones and increase water resistance, thereby preventing water droplets from splashing to the steam outlet, thus achieving stable separation of water and steam.

This invention discloses a method for preparing high-viability fat grafts, comprising: aseptically transferring adipose tissue in a closed system while maintaining complete isolation from air during the transfer; performing multi-stage liquid washing on the adipose tissue, including an initial washing and a secondary washing, to remove blood components, tissue debris, and drug residues; subjecting the washed adipose tissue to gradient centrifugation, including an initial low-speed centrifugation and a secondary high-speed centrifugation, to achieve uniform separation of fat cells through a sieve; and collecting the centrifuged fat grafts to obtain a final product with high cell viability and a high proportion of concentrated stem cells. By combining multi-stage liquid washing with gradient centrifugation, efficient purification and uniform separation of fat cells are achieved, effectively reducing the risk of inflammation and removing harmful residues such as lidocaine, resulting in a final fat graft with a high proportion of stem cells and excellent biocompatibility, supporting regenerative medicine applications.

The invention discloses a coiled tubing wellhead quick connecting device with a hydraulic flange, which belongs to the technical field of petroleum equipment and comprises a blowout prevention pipe connecting piece, a hydraulic connector and a hydraulic clamping system. The upper end of the blowout prevention pipe connecting piece is provided with a standard union joint which is quickly connected with a blowout prevention box or a blowout prevention pipe; a first step matched with the hydraulic connector is arranged at the lower end of the blowout prevention pipe connecting piece, and the lower end face of the first step is used for axial limiting of the blowout prevention pipe connecting piece. A flange plate connected with an external flange is arranged at the lower end of the hydraulic connector; and the hydraulic clamping system is used for locking or unfolding the blowout prevention pipe connecting piece and the hydraulic connector. The continuous pipe well control connecting equipment is safely and rapidly mounted and dismounted in a hydraulic control operation mode, and the situation that operators manually mount and dismount the well control equipment in a long-time and high-strength mode when the operators are exposed to the lower portion of a hoisting injection head is avoided.

The utility model discloses a kind of winding sign mechanisms, including the base of the passage for pipe material to pass, rotating plate is rotationally arranged in the passage periphery, rotating mechanism for driving rotating plate rotation, two groups of winding sign wheel assemblies are slidably arranged on rotating plate, prop open component, prop open component includes support plate, prop open mechanism for controlling support plate movement, support plate has two inclined surfaces oppositely, support plate is driven under prop open mechanism and extends between two groups of winding sign wheel assemblies, and the cooperation of inclined surface and winding sign wheel assembly makes two groups of winding sign wheel assemblies separate, to adjust the spacing between two groups of winding sign wheel assemblies. The utility model automatically adjusts the spacing of two groups of winding sign wheel assemblies by prop open component, without manual intervention, can quickly adapt to the winding sign operation of pipe material of different diameters, improve equipment versatility.

The utility model discloses a kind of penicillin bottle quick-release bottle caps, it is related to the field of medical devices, it includes bottle cap and sealing gasket, the bottle cap includes outer cover and inner cover, outer cover is used to connect penicillin bottle mouth portion, sealing gasket is set in outer cover inboard, outer cover pushes sealing gasket and carries out plugging to penicillin bottle mouth, inner cover is located in outer cover inboard, and inner cover is attached along the side edge of circumferential with outer cover, outer cover upper end portion is opened and has through opening, inner cover carries out plugging to through opening, outer cover upper end portion is fixed with pull plate, pull plate is located in through opening in natural state, outer cover side edge is opened and has two easy tear openings, two easy tear openings are located pull plate two sides respectively, and extend along pull plate length direction. The present application has the effect of improving the convenience of opening cover.

This invention relates to the field of motor stator manufacturing technology, and provides a device for separating the stator housing from the inner support assembly. The device includes a frame, on which a linear conveying mechanism and a lifting drive mechanism are mounted. The lifting drive mechanism is located above the linear conveying mechanism. A lifting platform is provided at the output end of the lifting drive mechanism. The bottom surface of the lifting platform is provided with an inner support assembly pressing head and a stator housing pressing head, which are sequentially spaced along the conveying direction of the linear conveying mechanism. A fixture is provided at the output end of the linear conveying mechanism. A platform supporting the inner support assembly is provided on the top of the fixture. The outer peripheral sidewall of the fixture has recesses to prevent the stator housing from moving downwards. This device enables reliable separation of the inner support assembly from the stator housing. The overall structure is rationally laid out, and the operation is coordinated and stable. It not only makes operation simpler and faster, significantly improving separation efficiency, but also effectively ensures product integrity and assembly quality.

The utility model relates to a bottle cap screwing device which comprises a frame body, a motor fixedly arranged on the frame body, an electric air cylinder fixedly arranged at the output end of the motor and a clamping mechanism fixedly arranged at the moving end of the electric air cylinder. The clamping mechanism comprises a cylinder fixedly arranged at the moving end of the electric air cylinder, a first receding groove formed in the cylinder, two clamping rods symmetrically and rotatably arranged on the first receding groove, an ejector rod arranged in the first receding groove and used for driving the two clamping rods to rotate, and a spring with the two ends fixedly arranged on the first receding groove and the ejector rod correspondingly. The two clamping heads are arranged on the two clamping rods correspondingly, and the two protection assemblies are arranged on the two clamping rods correspondingly. When the bottle cap screwing device is used, when the bottle cap is screwed to a threshold value, the clamping head is automatically separated, too tight damage is prevented, the bottle cap is protected, abrasion of device parts can be reduced, and stable operation of the device is guaranteed.

This utility model discloses a ceramic chip stripping fixture, comprising a housing, a cylinder connecting plate at the bottom of the housing, an ultra-thin cylinder on the surface of the cylinder connecting plate, a support plate at the top of the ultra-thin cylinder, a side fixing plate on the surface of the support plate, a first cylinder on the surface of the support plate, a second cylinder on the surface of the support plate, and a top-loading rod on the surface of the support plate. A positioning pin is fixedly connected to the top of the top-loading rod, and a ceramic chip tray is sleeved on the outside of the positioning pin. The top-loading rods are symmetrically distributed. This ceramic chip stripping fixture, by adding a cylinder connecting plate at the bottom of the housing and a first cylinder on the surface of the support plate, and a positioning pin fixedly connected to the top of the top-loading rod with a ceramic chip tray sleeved on the outside of the positioning pin, allows for rapid separation of the ceramic chip from the pin plate during use.

The utility model discloses a kind of battery quick replacement device for wheeled robot, including vehicle body, the vehicle body further include fixed thimble module, battery body module and battery holder, the bottom of the vehicle body is fixedly connected with base, the lower surface of the base is fixedly connected with fixed thimble module, the end of the battery holder close to base is in contact with the bottom of fixed thimble module and is set, the inner frame of the battery holder is fixedly connected with fixed thimble device in one vertical surface part with the fixed thimble module. The battery quick replacement device for wheeled robot, by the separation mechanism of buckle assembly and handle cooperation, ensure that battery shell and battery holder are stably separated in operation process, avoid structure damage.

The application relates to a simulation test structure and a test device. The simulation test structure is used for testing a fingerprint module, and the simulation test structure comprises a test body and an operating member which are connected with each other, the test body has a first surface and a second surface which are oppositely arranged along a first direction, and the first surface is used for being attached to the fingerprint module; wherein a stress release structure is arranged on the second surface; and along the first direction, the size of the stress release structure is smaller than the size of the test body. According to the application, a driving force is applied to the operating member, and due to the fact that the stress release structure is arranged on the second surface of the test body, the part of the first surface close to the operating member can be smoothly separated from the fingerprint module, then the driving force is applied to the test body, and the whole simulation test structure is moved upward to be completely separated from the fingerprint module, so that the fingerprint module can be smoothly tested.