36results about How to "Avoid swapping" patented technology

The invention relates to the technical field of image recognition, and discloses a multi-commodity automatic correction and recognition method and an intelligent self-service cash register, and the method comprises the steps: extracting a commodity front image from a commodity image; identifying label areas, and selecting associated feature points for each label area; segmenting a commodity area from the front image of the commodity; determining an associated commodity area of each label area; extracting a commodity side image, and determining an associated commodity area of each label area in the commodity side image; reconstructing a three-dimensional model of the commodity; scanning a label area to obtain commodity information, and verifying the commodity information based on a gravity sensor and the three-dimensional model of the commodity; according to the invention, the accuracy of commodity identification and the settlement efficiency are improved, the user experience is improved, the security and reliability of the system are enhanced, and a more efficient, convenient and reliable self-service cashier solution is provided.

The invention discloses a building external wall heat preservation structure easy to disassemble and assemble, and belongs to the technical field of building external wall heat preservation, the building external wall heat preservation structure easy to disassemble and assemble comprises a mounting plate, a heat preservation plate is mounted in the mounting plate, a setting assembly is arranged in the mounting plate, a locking and adjusting assembly is arranged at one end of the mounting plate, and a disassembly assisting assembly is arranged in the mounting plate; the peripheral side faces of the heat preservation plate are tightly pressed through expansion of the setting assemblies, so that the heat preservation plate is rapidly installed in the installation plate, meanwhile, a gap between the heat preservation plate and the installation plate is blocked, the construction efficiency is improved, the requirement for the size precision of the heat preservation plate is effectively lowered, and the construction cost is reduced. The expansion state of the setting assembly is locked through the arranged locking and adjusting assembly, meanwhile, the expansion degree of the setting assembly can be adjusted through the arranged locking and adjusting assembly, a good expansion sealing effect can be achieved for heat preservation plates with different thicknesses, the heat preservation plates can be automatically disassembled through the arranged disassembly assisting assembly, and the disassembly efficiency is improved. And the insulation board is more convenient and labor-saving to disassemble.

The invention relates to an alkaline earth metal ion doped titanium-based phosphate composite material as well as a preparation method and application thereof, and belongs to the technical field of sodium ion batteries. The chemical formula of the alkaline earth metal ion doped titanium-based phosphate composite material is KxMyTiOPO4 / C, M is selected from one or more of beryllium, magnesium, calcium, strontium and barium, x is larger than or equal to 0.8 and smaller than or equal to 0.95, y is larger than or equal to 0.001 and smaller than or equal to 0.1, and the values of x and y meet the charge balance of the chemical formula. By doping alkaline earth metal ions, the lattice structure is effectively stabilized, and the exchange of K-Na ions is avoided, so that the cycling stability of the battery is remarkably improved, and the service life of the battery is remarkably prolonged.

The utility model discloses a two-dimensional code anti-exchange label based on a water-soluble base, and relates to the field of concrete test piece labels, the two-dimensional code anti-exchange label comprises a plastic base, a water-soluble film, a two-dimensional code layer and a concrete test piece, the lower end face of the plastic base is provided with a barb structure, and the barb structure on the lower end face of the plastic base is inserted into the concrete test piece to be fixed; a water-soluble film is adhered to the lower end face of the plastic base, two-dimensional code layers are sprayed on the lower end face of the water-soluble film and the lower end face of the plastic base, and the two-dimensional code layers are in contact with a concrete test piece. According to the two-dimensional code anti-exchange label based on the water-soluble base, the characteristics of the water-soluble film and the effect of the two-dimensional code layer are utilized, a self-attached label structure is formed, the two-dimensional code layer can be completely or partially integrated with a concrete test piece, and compared with a traditional adhesive label, the self-attached label can ensure the clearness of an identifier, and can also be used for preventing the replacement of the concrete test piece. And the label can be effectively prevented from being exchanged, and the use effectiveness is ensured.

The invention discloses a construction method of an FRP (Fiber Reinforce Plastic) constrained fly ash geopolymer roadside filling body, which relates to the technical field of coal mining, and comprises the following steps: firstly, preparing a prefabricated FRP pipe, a filling mold bag, a filling material containing fly ash and the like, and a related filling system; after the working face is pushed, preparation work such as top plate supporting is carried out, and then the prefabricated FRP pipe and the filling mold bag are installed to form a to-be-filled pipe column. The fly ash and other materials are stirred by a stirring station to prepare the fly ash-based geopolymer filling material, the filling material is injected into a pipe column filling mold bag, and after filling, an ultra-high molecular weight polyethylene belt is used for winding. And constructing an air leakage prevention wall comprising a metal net, air duct cloth and a reinforcing mesh, and laying a concrete layer to seal the goaf. According to the method, waste such as fly ash is fully utilized, the construction cost is reduced, the thermal damage problem of the high-temperature mine filling body is solved, the bearing capacity of the filling body is improved by means of FRP constraint, the gob-side entry retaining roof supporting effect is guaranteed, the coal resource recovery rate is increased, and coal-pillar-free continuous mining is promoted.

The present invention discloses a concrete test block anti-counterfeiting system and anti-counterfeiting method, which belongs to the field of concrete detection technology; it includes an anti-counterfeiting label card, and a sample preparation end and a laboratory end that communicate with a server and identify the anti-counterfeiting label card; the anti-counterfeiting label card includes: a substrate, an identification code and a direction indicator set on the front of the substrate, and a bending foot for fixing the substrate; the laboratory end performs anti-counterfeiting verification by identifying the installation orientation, angle, and distance of the anti-counterfeiting label card. The present invention significantly improves anti-counterfeiting security, enhances reliability, improves verification efficiency, and improves environmental adaptability; at the same time, it is connected to the laboratory and supervision platform to achieve connection and integration with the existing system; in addition, the system is set according to the national building materials management standards, compatible with other quality control systems, and easy to integrate into the existing management system, which promotes the industry standardization process and reduces the implementation cost.

The intelligent down filling system comprises a processing chamber, one side of the processing chamber is provided with a protective door used for feeding and discharging materials, and the lower end of the inner side of the processing chamber is provided with a supporting bottom plate; the access control module is arranged on the inner side of the processing chamber and communicates with the protective door through a wire so as to recognize incoming and outgoing materials; the down filling module is arranged on the supporting bottom plate and used for filling down after identifying the materials again; the collecting module is arranged on the lower surface of the supporting bottom plate; according to the system, materials can be conveniently detected and monitored in real time, the risk that the materials are lost is avoided, chips in the materials can be tracked and read through the system, the materials are prevented from being exchanged and lost, the fallen materials can be collected and recycled during down filling, waste is reduced, in the whole down filling process, workers are in a proper temperature and humidity environment, and the working efficiency is improved. Human health is facilitated, and the practicability of the system is improved.

The utility model relates to mechanical equipment field discloses a cooling water spraying device for styrene storage tank, including the jar body, the outer wall fixedly connected with fixed block of jar body, the inner wall fixedly connected with the direct current pipe of fixed block, the top fixedly connected with ring pipe of direct current pipe, the inner wall fixedly connected with a plurality of spraying mechanism of ring pipe, the outer wall fixedly connected with a plurality of support of jar body, the outer wall fixedly connected with strengthening mechanism of jar body, the spraying mechanism includes the connecting pipe, the outer wall fixedly connected in the inner wall of ring pipe of connecting pipe, the bottom fixedly connected with the base of connecting pipe, in the utility model, through the motor of starting the inner wall of sliding block, motor drive force drives gear to rotate, under the cooperation of inner and outer rack plate of the inner wall of base, gear rotation drives sliding block to move in the base, and connecting column and connecting plate cooperate transmission force.

This invention provides a single-atom palladium-modified hierarchical porous molecular sieve adsorbent, its preparation method, and its application, comprising the following steps: S1. Adding a palladium complex to a molecular sieve gel and mixing evenly; S2. Crystallizing the product obtained in step S1 at a certain temperature for a certain time, and then washing, drying, and calcining to obtain the single-atom palladium-modified hierarchical porous molecular sieve adsorbent. In the preparation method of this invention, the palladium complex is used simultaneously as both a palladium source and a pore-forming agent, enabling the in-situ synthesis of the single-atom palladium-modified hierarchical porous molecular sieve adsorbent via a one-step method. The palladium species are anchored at ion exchange sites in an isolated single-atom ionic state, resulting in more effective adsorption sites with a more uniform distribution and higher NO content. x capacity.

The utility model discloses a miniature dust test box, which is characterized in that a first filter is mounted at the top of a box body, a second filter covers an exhaust port on the rear end face of the box body, and the first filter can prevent dust from entering the box body from outside air, so that an exhaust fan is connected with the exhaust port of the box body through an exhaust pipeline; secondly, the box door is provided with an operation hole and an operation glove arranged corresponding to the operation hole, an operator can stretch the hand into the operation glove and then grabs the air pressure dust blowing gun, and then the air pressure dust blowing gun can blow dust to the air pressure dust blowing gun; the dust on the surface of a test sample can be effectively cleaned by 360 degrees through high-pressure airflow, the cleaning efficiency is greatly improved, the operation complexity is reduced, and the degree of harm to the body of an operator is greatly reduced when the test sample is cleaned.

The invention relates to a medical display. The medical display comprises a display module, the display module comprises a normal light-emitting area and an auxiliary light-emitting area, and the auxiliary light-emitting area is arranged on one side of the normal light-emitting area; the frame body is used for fixing the display module, the frame body comprises a fixing area, and the orthographic projection of the fixing area in the thickness direction at least partially covers the auxiliary light-emitting area; and the sensor is arranged in the fixed area of the frame body and directly faces the auxiliary light-emitting area, and the sensor is used for receiving light signals emitted by the auxiliary light-emitting area. Therefore, the arrangement of a mechanical transmission structure can be avoided, the problems of self damage and thick frame body caused by the arrangement of the mechanical transmission structure are also avoided, and meanwhile, the situation that an original display area needs to be changed into a test pattern during detection is also avoided, so that an existing normal light-emitting area can be normally used, and the detection efficiency is improved. And the sensor is prevented from moving under the driving of a mechanical transmission structure.

The utility model discloses a mould pressing pipeline flange heat preservation structure, which belongs to the technical field of flange heat preservation and comprises two groups of flange bodies, two groups of mounting shells, two groups of sealing gaskets and a plurality of groups of fasteners, flange mounting rings are arranged on the two groups of flange bodies, and the two groups of flange bodies are connected through the plurality of groups of fasteners. The two sets of installation shells are connected to the flange installation ring through the multiple sets of fasteners, the two sets of sealing gaskets are installed in the two sets of installation shells respectively, and the two sets of sealing gaskets are tightly attached to the flange installation ring. The two sets of flange bodies are connected through the multiple sets of fasteners, the installation shell provided with the sealing gaskets is installed on the flange installation rings on the two sets of flange bodies through the multiple sets of fasteners, and the multiple sets of protection layers are arranged in the installation shell to conduct heat preservation treatment on the two sets of flange bodies. The problem that a pipeline flange is prone to deformation due to heat loss in a low-temperature environment is solved.

The utility model discloses an air inlet sub-cavity anti-backfire gas engine cylinder cover, which relates to the field of engines and comprises a cylinder cover body, an air inlet valve and an air outlet valve are respectively arranged on two sides of the bottom end of the cylinder cover body, and combustion chambers matched with the bottom of the cylinder cover body are arranged at the bottom ends of the air inlet valve and the air outlet valve. A spark plug mounting pipe is arranged in the middle of the top of the combustion chamber; a first sealing assembly is arranged in the spark plug installation pipe. A plurality of camshaft seats are arranged on the inner side of the top end of the cylinder cover body, and valve guide pipes are arranged on the two sides of each camshaft seat. A second sealing assembly is arranged on the outer side of the top end of the cylinder cover body, first limiting holes are formed in the periphery of the top of the cylinder cover body, and limiting blocks matched with the cylinder cover body are arranged at one ends of the outer sides of the first limiting holes. Under the matching action of the first sealing assembly and the second sealing assembly, the sealing performance of the cylinder cover is effectively improved, and the tempering phenomenon of the air inlet sub-cavity caused by abnormal pressure or temperature is avoided.

The invention relates to the technical field of pressure detection devices, and discloses a pressure detection device in a hydraulic pipe, comprising a device body, a detection box fixedly connected in the device body, three detection slots on the surface of the detection box, two fixed rods fixedly connected to the surface of the detection box, a rotating rod fixedly connected to each fixed rod, a cover plate rotatably connected to the outer wall of each rotating rod, a slide rail fixedly connected to one side of the two cover plates, a moving rail fixedly connected to the bottom surface of the detection slot located in the middle, moving blocks slidably connected to the two slide rails and the moving rails, and a temperature control component connected in the detection box; the temperature control device is used to set the three detection slots to three different environments of high temperature, normal temperature and low temperature respectively, so as to simulate various temperature conditions that the hydraulic pipe may encounter in actual applications, thereby improving the comprehensiveness and accuracy of the detection, and providing a strong guarantee for the quality control and safe use of the hydraulic pipe.

The present application relates to the field of biological sample collection device, in particular to a biological sample collection information tracing device, comprising: a tube body for storing biological samples; a sealing tube cover detachably installed at the opening of the tube body; a trigger component arranged between the tube body and the sealing tube cover; a clock chip cooperating with the trigger component to determine the opening time of the sealing tube cover; a memory for storing the opening time detected by the trigger component; a near field communication module for transmitting the opening time stored in the memory to a reading device; a microcontroller for processing the state of the trigger component to determine whether the sealing tube cover is opened and transmitting the information of the opening time to the memory; a circuit board for connecting the trigger component, the clock chip, the memory, the near field communication module and the microcontroller. The present application realizes the digitization and objective tracing state of the biological sample as soon as it is collected from the outside.

A method and apparatus for performing channel access for a non-primary channel based on a handover timer in a wireless LAN system are presented. Specifically, a receiving STA receives a first management frame from a transmitting STA. And the receiving STA sends the second management frame to the sending STA. After expiration of the switching timer, the receiving STA performs channel access for the first non-primary channel.

The utility model discloses an inward-opening heat preservation window with a narrow frame and a narrow sash, relates to the technical field of door and window profiles, solves the problems that the heat preservation performance of the whole aluminum-clad wood window is poor, and heat energy is wasted, in the inward-opening heat preservation window, the indoor side visible face of an aluminum-clad wood heat preservation window frame sash is 102mm in total, the indoor side visible face of an existing aluminum-clad wood window frame sash is reduced, and the indoor side visible face of the window frame sash is reduced. The space area occupied by a wall is reduced, the visual field range and the lighting effect of the window body are improved, the frame outer aluminum piece and the frame inner wood piece are connected through the frame inner plastic piece, the space between the sash inner wood piece and the sash outer aluminum piece is filled with the sash connecting clamping piece, the frame outer aluminum piece and the frame inner wood piece are separated through the frame inner plastic piece, the heat preservation and heat insulation performance of the window frame is improved, and the service life of the window frame is prolonged. The joint of the window sash and the window frame is divided into the two airtight cavities which are not communicated with each other through the outdoor sealing rubber strip, the secondary sealing rubber strip and the indoor sealing rubber strip, the sealing performance between the window sash and the window frame is improved, air penetration and exchange are effectively avoided, and the heat preservation and heat insulation performance of the inward-opening heat preservation window is improved.

The utility model discloses a spectrometer. The spectrometer comprises a shell, an interferometer module, an out-of-cabin front light path element, an out-of-cabin rear light path element and a detector module. The shell comprises a core bin and a functional bin which are sealed and isolated, an interferometer module is arranged in the core bin, and an out-bin front light path element, an out-bin rear light path element and a detector module are arranged in the functional bin. The out-of-bin front light path element emits light from a light source into the core bin, and the interferometer module receives the light from the out-of-bin front light path element; and emergent light of the interferometer module is emitted out of the core bin and is emitted to the detector module through the rear light path element outside the core bin. Therefore, related elements are located in the functional bin and the core bin respectively, the functional bin is isolated from the core bin, impurities (such as dust) are prevented from being exchanged between the functional bin and the core bin, the waterproof and dustproof effects are achieved, and the impurities cannot affect optical elements in the core bin and the functional bin.

The present invention belongs to the technical field of ventilators, and discloses an emission reduction lighting ventilator and a working method thereof, including a filter box, a ventilation assembly fixedly installed at the front end of the filter box, an air inlet opened at the rear end of the filter box, a ventilation fan movably installed in the middle of the filter box, power assemblies installed on the left and right sides of the filter box, the middle of the power assembly penetrates the middle of the filter box and is fixedly connected with the ventilation fan, and a filter screen located between the ventilation fan and the air inlet is detachably installed at the rear end of the filter box. The present invention utilizes the power required by the device for exhausting air and distributes the power through the power assembly, so that the device can automatically clean the front and rear ends of the filter screen after being used for a period of time without disassembling the filter screen. The whole process is completed automatically without disassembling the filter screen, which can effectively avoid the problem that traditional devices require complicated disassembly and assembly processes, thereby improving the cleaning effect.

The utility model discloses an air tap for cold and hot air perfusion, a vestibular cold and hot stimulator and a cold and hot air perfusion system, the air tap for cold and hot air perfusion comprises an air tap body and an extension tube arranged on the air tap body; an air inlet channel communicated with the extension tube is arranged in the air tap body, the extension tube can be inserted into the external auditory canal of a patient, and the far end of the extension tube can extend to the position close to the tympanic membrane of the patient. The vestibular cold and hot stimulator comprises a gas transmission handle and the gas nozzle for cold and hot gas perfusion. The cold and hot air perfusion system comprises the vestibular cold and hot stimulator. By adopting the technical scheme, the extension tube can go deep into an external auditory canal to be close to a tympanic membrane, cold and hot gas is directly conveyed, temperature and flow are ensured to accurately reach a target position, energy loss is reduced, and the accuracy of vestibular stimulation and diagnosis reliability are improved.

The invention relates to a sealing system for sealing between a rotating part of a rotary kiln and a fixed part of a kiln riser transition piece and / or a fixed part of a grate cooler, said sealing system comprising one or more graphite sealing members which are provided with separate thrust means, the thrust mechanism comprises an extension spring, and the extension spring is configured to push the graphite sealing component against the rotating part; the thrust mechanism comprises a guide mechanism, and the guide mechanism is configured to enable the graphite sealing component to move linearly; the guide mechanism comprises a first guide block, a second guide block and a guide rod, and the first guide block and the second guide block are configured to longitudinally move on the guide rod; the fixed sheet metal module is connected to the fixed part of the kiln vertical pipe transition piece and / or the fixed part of the grate cooler and is configured to accommodate the thrust mechanism; and a tension adjusting member coupled to the first guide block.

The utility model discloses a drainage tube conveying device and endoscope equipment, and belongs to the technical field of medical instruments.In the drainage tube conveying device, an electrode assembly is connected to the far end of a catheter, and a drainage tube body is arranged on the periphery of the catheter in a relatively movable and sleeving mode; the electrode assembly can be switched between the unfolded state and the contracted state, so that the electrode assembly can establish a channel through target tissue in the unfolded state, and after the drainage tube body arranged on the periphery of the catheter in a sleeving mode is fed into the target tissue, the electrode assembly can be contracted into an inner cavity of the drainage tube body; and the drainage tube body is withdrawn through the inner cavity of the drainage tube body, so that the drainage tube body is left in the target tissue. The electrode and the drainage tube do not need to be operated in a split mode in a traditional operation, exchange of two instruments is avoided, and therefore the problems of tissue fluid leakage and positioning deviation caused by instrument exchange can be avoided, the risk of operation failure is remarkably reduced, and the safety and success rate of the operation are improved.

The present application relates to the field of test equipment, and in particular to a constant temperature and humidity generator, wherein a test chamber is provided with a test piece box, a movable door is installed in a vertical sliding manner on the side of the test chamber away from the installation chamber, and a driving assembly is provided at the bottom of the test chamber, and the driving assembly is used to drive the test piece box to slide in a direction close to or away from the movable door; a rotating shaft is added in a horizontal direction on the side of the test chamber close to the movable door, and the rotating shaft is used to drive the test piece box to rotate in the test chamber, and the rotating shaft drives the movable door to rise and fall; a first sealing plate is installed in a vertical direction at the bottom of the movable door, and the first sealing plate is fastened to the test box, and the first sealing plate and the movable door are used to seal the test box; the test piece box is used to seal between the first sealing plate and the movable door, and one side of the test piece box is a hinged plate, and the hinged plate is used to take the test piece in the test piece box out of the test chamber. The purpose of the present application is to improve the daily test efficiency of the test piece.

The application provides an underwater hydraulic hoist, which comprises a hydraulic cylinder, a piston rod and a power assembly, the piston rod extends out of the hydraulic cylinder to form an outer acting part, further comprises a flexible protection assembly and a filter assembly, the flexible protection assembly, the hydraulic cylinder and the outer acting part are sealingly connected to form a flexible bin, and the flexible bin is in communication with the filter assembly. The filter assembly comprises a filter, the filtering-out end of the filter is sealingly connected with the flexible bin, and a check valve is arranged at the filtering-in end. A breathing pipe is arranged in a cable assembly. The underwater hydraulic hoist provided by the application can ensure that the outer acting part of the piston rod is separated from the external dirty water body through the flexible protection assembly and the filter assembly, and prevent the piston rod from being damaged or leaking due to scaling and the like. The application has the advantages of simple structure, reliable operation, convenient installation and the like.

The utility model belongs to the technical field of wooden house heat preservation enclosure structures, and particularly relates to a wooden house double-face sandwich heat preservation zero-heat-bridge enclosure structure which comprises structural battens erected among a wooden house wall body, a wooden house roof and a wooden house ground. The inner and outer sides of the structural battens of the wall body and the roof are bound and fully paved with wood boards with thermal insulation performance; steel plates are arranged on the outer sides of the structural battens of the ground, and wood plates with heat preservation performance are bound and fully laid on the inner sides of the structural battens of the ground. The space between the inner and outer wood plates of the wall body and the roof and the space between the indoor wood plate and the outer side steel plate of the ground are filled with thermal insulation materials except for the position of the structural batten; the waterproof airtight films are bound between the thermal insulation materials on the inner side and the outer side of the wall body and the roof and the wood plates, between the inner side of the thermal insulation materials on the ground and the wood plates and between the outer side of the thermal insulation materials and the steel plates. The whole heat preservation performance of a house is greatly improved, energy consumption of heating and refrigerating is reduced, and the comfort index of the house is greatly improved, including reduction and balance of indoor temperature difference.

The utility model relates to the technical field of dynamic wave scrubbers, in particular to a dynamic wave scrubber with a nozzle with a visible liquid spraying height, which comprises a dynamic wave cylinder body, a reverse spraying pipe connected with the dynamic wave cylinder body, an overflow weir connected with the reverse spraying pipe, a dynamic wave nozzle arranged in the reverse spraying pipe, and an observation cylinder connected with the reverse spraying pipe and positioned above the overflow weir. A valve is arranged on the observation cylinder, a movable camera capable of being inserted into the reverse spraying pipe along the observation cylinder to observe the liquid spraying height is arranged on one side of the observation cylinder, and the camera is in communication connection with a DCS (Distributed Control System) master control room computer; the camera is fixedly connected with a supporting rod and located at the end of the supporting rod. The supporting rod is inserted into the observation cylinder; through the arrangement of the camera, the liquid spraying height can be observed without opening a manhole door, the liquid spraying height can be observed under the state that the negative pressure in the reverse spraying pipe is kept, and the liquid spraying device is more accurate and more convenient.

This invention discloses a federated learning method, apparatus, and device for multi-base station unmanned vehicles. The method includes: first, constructing a base station set and an unmanned vehicle set; second, constructing a first edge model and an initial global network model; third, broadcasting the first edge model to each unmanned vehicle; fourth, training each local model of each unmanned vehicle to obtain update parameters for each local model; fifth, compressing the update parameters of each local model and uploading them to the corresponding base station for aggregation to obtain a second edge model; sixth, replacing the first edge model with the second edge model and returning to the third step. The third to fifth steps are repeated for the first time, and so on. When the b-th iteration is repeated, b = 2, 3, ..., E-1, the (b+1)-th edge model is replaced with the b-th edge model and the process returns to the third step until the target edge model is obtained. The target edge models are then aggregated to obtain a high-performance target global network model.

The invention provides a pressure accumulator diaphragm capsule low-temperature test device and a test method thereof. The device comprises an air cylinder, an upper flange cover, a diaphragm capsule assembly, a lower fixing base and a support. The lower fixed base is fixedly connected in the bracket; the diaphragm capsule assembly is arranged in the lower fixed base; the upper flange cover is fixedly connected to the top of the diaphragm capsule assembly and located in the support. A cavity in the upper flange cover is communicated with a cavity in the diaphragm capsule assembly; a cavity formed after the upper flange cover and the diaphragm capsule assembly are communicated is communicated with a liquid nitrogen tank and a helium tank; the air cylinder is fixedly connected to the top of the support and provided with an air cylinder ejector rod, and the air cylinder ejector rod is inserted into the upper flange cover and connected with the diaphragm capsule assembly. The test device is miniaturized in the low-temperature tension-compression fatigue test process of the diaphragm capsule, low-temperature tension-compression fatigue detection is carried out on the diaphragm capsule through the test device, the airtight integrity change of the diaphragm capsule is detected in the test process, the tension-compression fatigue true threshold value of a single diaphragm capsule is verified, and the low-temperature true threshold value test precision of the pressure accumulator diaphragm capsule is improved.

The utility model discloses an aluminum-extruded sheet-wood composite inward-opening heat preservation window, relates to the technical field of door and window profiles, and solves the problems that the heat preservation performance of the whole aluminum-clad wood window is poor, and heat energy is wasted. The space between the sash wood and the sash outer aluminum material is filled with the sash extruded sheet, air penetration and exchange can be effectively avoided, the frame outer aluminum material and the frame wood are separated through the frame extruded sheet, the heat preservation and heat insulation performance of the window frame is improved, the sash wood and the sash outer aluminum material are separated through the sash extruded sheet, and the heat preservation and heat insulation performance of the window sash is improved. When the inward-opening heat preservation window is in a closed state, the joint of the window sash and the window frame is divided into two airtight cavities which are not communicated with each other through the outdoor sealing rubber strip, the secondary sealing rubber strip and the indoor sealing rubber strip, the sealing performance between the window sash and the window frame is improved, meanwhile, air penetration and exchange can be effectively avoided, and the service life of the window is prolonged. And the thermal insulation performance of the inward-opening thermal insulation window is improved.

The utility model is suitable for the technical field of energy storage equipment, and provides a liquid cooling energy storage cabinet and an energy storage system.When the liquid cooling energy storage cabinet is used for the energy storage system, a first air cooling assembly is used for directly cooling a device with large heat production in a first bin in an air cooling mode, and a second air cooling assembly is used for directly cooling a device with large heat production in a second bin in an air cooling mode; the interior can be effectively cooled, and heat accumulation is avoided; moreover, the first bin and the second bin are mutually separated and are respectively used as an independent temperature control area, so that the first air cooling assembly and the second air cooling assembly can exert the maximum effect while heat exchange between the first bin and the second bin is avoided.