67results about How to "Exchange" patented technology

The invention discloses a tooth three-dimensional digital model registration and tooth neck line extraction method based on oral scanning and CBCT, and relates to the field of tooth three-dimensional digital model registration. Comprising the following steps: respectively acquiring three-dimensional oral images of oral scanning and CBCT (cone beam computed tomography), and automatically segmenting three-dimensional structures of dental crowns and teeth by utilizing pre-trained V-Net and ToothNet image segmentation models. Alignment and registration of two modal images are realized through a feature extraction network, an information exchange network and a rigid transformation network. The feature extraction network extracts local and global features by using far-point sampling and a dynamic graph convolutional neural network, the self-attention and cross-attention module performs feature enhancement and information exchange between the same mode and different modes, and based on a registration result, a tooth neck line is further extracted and optimized. According to the method, the tooth three-dimensional digital model can be quickly and accurately registered, a high-precision tooth neck line extraction result is provided, the manpower and time cost of a medical institution can be reduced, and the medical efficiency is improved.

The invention relates to a fermentation tank for microbial reaction, in particular to a forced internal circulation type microbubble reactor with a guide cylinder, which comprises a tank body (1), a cylindrical guide cylinder (3) is arranged in the tank body (1), an overflow weir (32) is arranged at the upper part of the guide cylinder, and more than one liquid outlet pipe is arranged at the lower part of the guide cylinder; the upper part of the tank body (1) is provided with a plug flow stirrer (2), the lower end of the plug flow stirrer is provided with a plug flow paddle (24), and the plug flow paddle is positioned at the upper part of the guide cylinder (3); and at least one microbubble generator (4) is arranged in the guide cylinder (3) and is communicated with the air guide pipe. By means of the built-in guide cylinder, the device is large in flow, small in power consumption, mild in flowing, small in shearing force on liquid, uniform in airflow mixing, convenient to distribute and more suitable for a biological fermentation system.

The utility model discloses a vertical steam generator device, which relates to the field of waste heat boiler devices and comprises a smoke inlet pipeline, an upper tube plate, a barrel, a smoke tube, a lower tube plate and a smoke outlet pipeline. And after passing through the through holes of the upper tube plate, the smoke tube and the through holes of the lower tube plate, the liquid leaves from the smoke outlet pipeline, after entering from the water inlet pipeline, the liquid is subjected to heat exchange to become a steam-water mixture, and the steam-water mixture sequentially passes through the cavity and the steam collecting pipeline and finally enters the steam collecting box. According to the utility model, the waste heat boiler is arranged in the vertical flue, so that the occupied area of the waste heat boiler is reduced, and the whole arrangement of the waste heat boiler is compact.

The invention relates to a double-medium and single-medium heat exchange plate and plate heat exchanger equipment. The heat exchange plate is provided with a first corner hole, a second corner hole, a third corner hole, a fourth corner hole and a sixth corner hole, a first flow guide area, a first heat exchange area and a second flow guide area are arranged between the first corner hole and the fourth corner hole, a third flow guide area, the second heat exchange area and the fourth flow guide area are arranged between the third corner hole and the sixth corner hole, and a third medium heat exchange area is arranged between the fifth corner hole and the second corner hole. The plate sheet group of the heat exchanger is formed by alternately assembling the plate sheets and sealing rubber pads. According to the double-medium and single-medium heat exchange plate type heat exchanger equipment, heat exchange between two different media and another medium can be achieved through one piece of equipment.

The invention provides an electrostatic adsorption clutch force feedback data glove based on a teleoperation system and a design method thereof, and belongs to the field of intelligent robots. Firstly, a hardware system of the output feedback data glove is designed based on inertial sensors, a system on a full programmable chip and an electrostatic adsorption clutch, the designed glove is worn on a human hand, and the inertial sensors arranged at the two ends of a joint are used for capturing the hand posture to obtain the bending angle of the human finger joint; an isomorphic finger joint motion mapping algorithm is adopted to convert into joint angle information of the slave manipulator, motion mapping of the master manipulator and the slave manipulator is achieved, then a force signal fed back by the slave manipulator is converted into kinesthetic force which can be sensed by the master manipulator through an electrostatic adsorption clutch, and master-slave force feedback is achieved.

The invention discloses a broadband real-time digital radio frequency simulation method and device, and relates to the technical field of radio frequency simulation, and the method specifically comprises the following processing steps: enabling a radio frequency signal to be accessed to a power matching unit, converting the radio frequency signal into a range suitable for subsequent processing, enabling the radio frequency signal to be accessed to a frequency conversion unit A and a digital optical transmitter and receiver A in sequence, and achieving the remote access of the radio frequency signal; a real-time digital radio frequency simulation environment of N paths of input signals and M paths of output signals is constructed, N paths of intermediate frequency signals are respectively connected into M'path micro-strip power dividers through radio frequency cables, M radio frequency cables are connected behind each micro-strip power divider, and the signals sequentially pass through a circulator A, an amplifier A and a digital signal processing unit and then are connected into a circulator B; the intermediate frequency signal output by the combiner is converted into a radio frequency signal through a frequency conversion unit B and is output; according to the invention, access, exchange and characteristic simulation of large-scale and ultra-wideband radio frequency signals can be realized, modular combination can be carried out according to the number of access signals, and a real-time digital radio frequency simulation environment is constructed.

The invention discloses an electronic component storage device, which relates to the field of electronic component storage and solves the problem that it is difficult to conveniently and stably store electronic components with pins while extending the service life of the electronic components during the storage process in the existing electronic component storage device. The device comprises a fixed disk, a storage mechanism, a dehumidification mechanism and a protection mechanism. A first friction tube is fixedly connected to the fixed disk, a rotating disk is rotatably connected to the fixed disk, the storage mechanism comprises a plurality of storage plates, and the dehumidification mechanism comprises a second friction tube. The electronic component storage device stably plugs and fixes the electronic components while performing opening and closing clamping protection on the electronic components to prevent mutual collision and wear, and links the dehumidification mechanism to generate friction heat during rotation and search, and draws in gas for drying and dehumidification. The protection mechanism controls the protective shielding and sealed state of the internal electronic components when the rotating disk is rotated, thereby improving the sealing and protection properties.

The utility model provides a double-heat-source heat pump air conditioning system. The utility model discloses a double-heat-source heat pump air-conditioning system. The air-conditioning system comprises a solar heating system, a cascade air-conditioning system, a geothermal source heating system and a user side energy supply system, wherein the solar heating system exchanges heat with the cascade air conditioning system, and the cascade air conditioning system exchanges heat with the user side energy supply system, so that heat obtained by the solar heating system is transferred to the user side energy supply system; and the geothermal source heating system exchanges heat with the cascade air conditioning system. The double-heat-source heat pump air-conditioning system can effectively improve the heat exchange efficiency of solar energy and a geothermal source, provides hot water with higher temperature for users, and meets the use requirements of the users.

The utility model discloses a distributed adjustable photovoltaic support for an expressway, and the support comprises a photovoltaic panel housing, the top of which is used for placing a photovoltaic panel; the fixing rod is arranged on the lower side of the photovoltaic panel shell, and the fixing rod is used for fastening soil; the adjusting mechanism is arranged between the photovoltaic panel shell and the fixing rod, the adjusting mechanism can be matched with the fixing rod to adjust the inclination angle of the photovoltaic panel shell in different seasons, a cavity is formed in the fixing rod, heat exchange is achieved through liquid nitrogen, frozen soil is kept stable, and the photovoltaic panel is stably fixed to the ground surface.

The five-way electromagnetic water valve comprises a valve body and an actuator arranged on the valve body, the valve body comprises a valve deck, a valve element structure and a valve shell structure, the valve element structure is movably arranged in the valve shell structure, the valve deck is arranged on the valve shell structure, and the actuator can drive the valve element structure to rotate in the valve shell structure. The five-way electromagnetic water valve has the advantages that the five-way electromagnetic water valve is simple in structure, high in integration and diversified in function mode, the cooling liquid flows to other parts in the heat management system, and heat exchange is realized.

The invention relates to the technical field of refrigerator application protection, in particular to an air-cooling and direct-cooling interchange refrigerator which comprises a refrigerator body provided with a freezing chamber and a refrigerating chamber, and the refrigerator body is internally provided with an air-cooling and direct-cooling dual system used for cooling the freezing chamber and the refrigerating chamber separately and comprising a condenser; the first heat dissipation mechanism cools and protects the condenser in an air cooling mode. According to the invention, the cabinet body is provided with the bottom cavity, the heat dissipation cavity and the side cavity which are used for placing the wind-direct cooling dual systems in a classified manner, so that the condenser with a heat release effect can be independently arranged in the heat dissipation cavity, the flow rate of hot air flow is increased under the condition of controlling the variable of the cross sectional area, and rapid heat removal is realized; and a second heat dissipation mechanism corresponding to the condenser is arranged in the heat dissipation cavity, a cooling coil and a water return pipe are arranged between the cold water storage tank and the hot water storage tank, and meanwhile, the water body is cooled through a branch heat dissipation piece capable of spraying an ethanol solution, so that the water body can be repeatedly used in the heat dissipation process.

The invention relates to a control system and a control method for automatic ventilation of a vehicle. The system comprises a mode button, a rainfall sensor and / or a windscreen wiper detection module, a vehicle speed sensor, an air conditioner control system and an automatic ventilation controller. The automatic ventilation controller determines whether an automatic ventilation mode is started or not according to operation received by the mode button. Whether it rains outside the vehicle is determined according to the rainfall outside the vehicle detected by the rainfall sensor and / or the windscreen wiper operation state detected by the windscreen wiper detection module; determining whether the vehicle speed is within a preset range according to the vehicle speed detected by the vehicle speed sensor; according to the vehicle interior temperature detected by the air conditioner control system and the received set temperature, whether the vehicle interior temperature is close to the set temperature or not is determined; when it is determined that the automatic ventilation mode is started, no rain exists outside the vehicle, the vehicle speed is within the preset range, and the temperature inside the vehicle is close to the set temperature, the vehicle is controlled to conduct ventilation. Automatic ventilation of the vehicle can be achieved.

The invention discloses an automobile sliding door auxiliary driving side opening device which comprises an automobile body, a diaphragm valve and side sliding doors arranged on the two sides of the automobile body, an air storage mechanism is arranged in each side sliding door and comprises an air storage bin and an air pump arranged in the air storage bin, and a plurality of air inlets used for air inflow are formed in the side face of each air storage bin at equal intervals. Diaphragm valves used for slowly exhausting after inflation are arranged in the air inlets, and the interior of the air storage bin is fixedly connected with a top plate through a plurality of elastic mechanisms arranged at equal intervals; the air storage mechanism, the air inlet mechanism and the fragrance mechanism are arranged in the side sliding door, so that the air quality in a vehicle is improved, when the side sliding door is opened, the automatic inflation and air inlet process is started, fresh air enters the vehicle, and a diaphragm valve in the air storage mechanism can control air to enter and exit; by means of the series of design, the problem that the air quality is reduced due to long-time placement of the automobile is effectively solved, and a healthier air environment is provided for people in the automobile.

The utility model belongs to vacuum pump cooling technical field, concretely relates to a cooling circulation system for mechanical pump, including vaporizer, the vaporizer includes the interlayer of outside setting, the vaporizer bottom is provided with airflow delivery pipeline, the vaporizer top is connected with buffer tank, the buffer tank top is connected with vacuum mechanical pump, vacuum mechanical pump is connected with water storage jar, the water storage jar bottom is linked with the vaporizer bottom, the vacuum mechanical pump outside is provided with heat exchange coil pipe, the interlayer bottom is connected with circulating water pump, and the circulating water pump is linked with heat exchange coil pipe, and heat exchange coil pipe is linked with the interlayer upper portion. The utility model discloses a vacuum mechanical pump and vaporizer realize independent refrigeration through the cooperation, and do not rely on external energy, and the heat exchange coil pipe is integrated on the vacuum mechanical pump, realizes the independent cooling of mechanical pump, need not external cooling water source, also does not cause additional energy consumption.

The present invention discloses a portable low-voltage integrated distribution box for intelligent devices, relates to the technical field of integrated distribution boxes, and comprises a distribution box main body, a distribution box door is hingedly connected to one side of the front of the distribution box main body, an electrical component is fixedly installed on the middle part of the inner side of the distribution box main body, a cooling top box is installed on the top of the distribution box main body, a lifting liquid bag is connected to the bottom of the cooling top box, a connecting bottom box is connected to the bottom of the lifting liquid bag, and a fixed side plate is installed on the inner side of the distribution box main body. The present invention effectively optimizes the heat dissipation process inside the distribution box, so that the heat inside the distribution box main body can be quickly gathered to the edge of the distribution box main body, ensuring that the temperature of the working area of ​​the electrical component can be continuously maintained in a suitable temperature range, further improving the heat dissipation effect inside the distribution box, effectively avoiding the failure of the electrical components inside the distribution box due to excessively high temperature, and effectively improving the service life of the distribution box.

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 the technical field of generator rooms, in particular to an anti-explosion mute generator room. Synchronous water flow also blocks a hinged plate, so that the hinged plate tends to rotate anticlockwise, at the moment, a protrusion at the upper end of the hinged plate supports the lower end of a supporting plate, the hinged plate cannot rotate, then the hinged plate pushes the water flow, and the water flow flows in an annular groove; in the flowing process of the water flow, the water flow performs water-cooling heat dissipation on the temperature in the box body; the water fluid in the annular groove can extinguish fire in the box body and can also play a water cooling role; when a tooth block area of the fan-shaped plate moves to the position above the tooth plate, a spring between the tooth plate and an annular groove pulls the tooth plate, so that the tooth plate moves in the direction away from the fan-shaped plate, in the process, water flow blocks a hinged plate, the hinged plate rotates clockwise, the water flow can circulate in a gap between a mounting plate and the tooth plate, and therefore the water flow is prevented from flowing; and water flow exchange is realized.

The device comprises an operation box used for condensation, a heating box and a recycling box are arranged on the two sides of the operation box respectively, the heating box and the recycling box are both communicated with the operation box, two sets of liquid storage barrels are installed in the operation box, and the liquid storage barrels are communicated with the heating box. A liquid changing pipe used for changing liquid is fixed to the outer side of each liquid storage cylinder, and a first spiral conveying pipe and a second spiral conveying pipe used for heat exchange are fixed into the two liquid storage cylinders correspondingly. Under the action of the through holes in the inner stirring plate, the through holes in the inner stirring plate allow steam to pass through, the steam freely flows on the two sides of the inner stirring plate through the through holes, exchange and mixing of the steam are achieved, the steam enters half of the second spiral conveying pipe, different parts of the steam make contact with the second spiral conveying pipe, the steam is more easily condensed, and the condensation efficiency is improved. And the outer stirring plate accelerates the movement of the cold source on the outer side of the contact unit, so that the cold source is more easily transferred into the connecting cylinder, and the condensation effect is further improved.

The utility model provides an active oxygen generating device with a long service life, which comprises a lower shell, an upper shell, a lower shell and an upper shell, and the impeller cover is arranged on the inner side face of the lower shell and the inner side face of the upper shell, an impeller is fixedly installed at the bottom of the impeller cover, and a cleaning brush is arranged on one side of the impeller. According to the active oxygen generating device with the long service life, the impeller, the cleaning brush and other structures are matched with one another, when the active oxygen generating device is used, the impeller is driven by water flow to rotate, the cleaning brush fixed to the impeller is driven to clean an area, prone to scaling, between the two conducting strips, the scaling risk of the main reaction chamber is reduced, and the service life of the active oxygen generating device is prolonged. Meanwhile, ion exchange is better achieved, the reaction efficiency is improved, the active oxygen concentration is increased, the service life of the product is greatly prolonged, and large-scale application is facilitated.

This utility model relates to a partitioned mycelial bridge root box, comprising a main body and a microporous partition inside the main body. The microporous partition divides the main body into a donor chamber, an intermediate mycelial bridge chamber, and a recipient chamber. The microporous partition has pores and is vertically installed inside the main body, isolating the donor chamber from the intermediate mycelial bridge chamber and from the recipient chamber. Rhizosphere dialysis probe channels are provided on the side walls of the donor chamber, the intermediate mycelial bridge chamber, and the recipient chamber. A top cover is provided on the top of the main body, with a gas exchange inlet and a gas exchange outlet. The lower end of the gas exchange inlet is connected to a diffuser. This novel design uses a vertically installed microporous partition to separate the three chambers. The pore size allows mycelia to pass through while blocking roots, ensuring isolation and connectivity. The inlet connects to the diffuser for uniform gas supply, a valve controls the on / off state, and the outlet exhausts air through a guide pipe. A detachable connector facilitates connection to external equipment.

The invention discloses a device and method for recycling lost heat of a copper dissolving tank, belonging to the technical field of electrolytic copper foil, comprising: a copper dissolving tank, a low-level tank and a plate heat exchanger; an overflow pipe is connected between the copper dissolving tank and the low-level tank; the invention realizes the circulation of the solution in the copper dissolving tank through a spray pump group and a spray main pipe, and then forms a circulation pipeline with the low-level tank and the copper dissolving tank through a copper supplement pipe and an overflow pipe; under the transportation of the copper supplement pump group, the solution in the low-level tank is introduced into the copper dissolving tank, and then refluxed through the overflow pipe; at the same time, a plate heat exchanger is arranged between the low-level tank and the copper dissolving tank, and the solutions in the copper dissolving tank and the low-level tank are respectively introduced into the plate heat exchanger through the spray bypass pipe and the copper supplement pipe to realize heat exchange, which can not only greatly increase the temperature of the solution in the copper dissolving tank, but also reduce the temperature of the solution in the low-level tank, and reduce the cooling pressure of the cooling water at the rear end; the heat is reasonably utilized to reduce energy consumption.

The utility model provides a press-fitting battery pressure finger which comprises a press-fitting battery pressure finger body, a press-fitting battery pressure finger head and a press-fitting battery pressure finger shoulder, a press-fitting battery carrier and a press-fitting battery clamping jaw both comprise two press-fitting battery clamps, and each clamp comprises a pressure finger, a clamp plate and a clamp cushion. The two clamps are used for clamping an aluminum shell of a press-fitting battery through the two clamp cushions, meanwhile, the two pressing fingers are used for pressing a top cover of the press-fitting battery so that the press-fitting battery can be transferred and carried, and in the transferring and carrying process, the top cover can be prevented from being loosened or even disengaged relative to the aluminum shell; on the basis, the utility model further provides a press-fitting battery carrier and a press-fitting battery clamping jaw which can be used in a matched mode, the clamping plate of the carrier and the clamping plate of the clamping jaw can be mutually embedded, the clamping jaw can clamp the press-fitting battery when the carrier clamps the press-fitting battery, and the carrier can also clamp the press-fitting battery when the clamping jaw clamps the press-fitting battery. The exchange between loading and grabbing of the press-fitting battery can be realized, and the exchange between transferring and carrying of the press-fitting battery can be realized.

The present application provides a neural network parameter processing method, device and equipment, which relates to the field of machine learning technology. The method includes: determining the parameters of the target population according to the pre-stored neural network; dividing the target population into multiple sub-populations according to a preset position update method; initializing the particles in each sub-population and updating the initial vector of each particle; inputting the vector to be input to each particle, updating the particle position according to the particle position update method, and obtaining a new vector and fitness function value; updating the historical optimal solution of each particle in each particle population and the optimal solution of the sub-population of the particle population, and updating the temporary global optimal solution of the target population; outputting the temporary global optimal solution after the last iteration as the target global optimal solution; determining the target weights and target thresholds required for the pre-stored neural network. The present application can save the time cost of obtaining a better initial weight of the neural network.

The invention discloses a heating inactivation type active toxic wastewater treatment system which comprises a first inactivation tank, the top of the first inactivation tank is communicated with a feeding port, the side faces of the feeding port and a discharging port are both communicated with first heat exchange pipes, the tops and the bottoms of a second inactivation tank and a third inactivation tank are both communicated with feeding ports and discharging ports, and the tops and the bottoms of the second inactivation tank and the third inactivation tank are communicated with second heat exchange pipes. The invention relates to a wastewater treatment system. According to the heating inactivation type active toxic wastewater treatment system, a first water pump absorbs wastewater in a first inactivation tank into a heat exchange cylinder through a first heat exchange pipe, and a second water pump absorbs wastewater in a second inactivation tank and a third inactivation tank into a hot water pipe through a water inlet pipe and a second heat exchange pipe; therefore, heat exchange among the first inactivation tank, the second inactivation tank and the third inactivation tank is achieved, the purposes of heating the first inactivation tank and saving part of steam are achieved, the second inactivation tank and the third inactivation tank can be cooled more quickly after absorbing heat, and the subsequent cooling efficiency of the second inactivation tank and the third inactivation tank is improved.

The present invention discloses a highly efficient artificial wetland system in winter. The highly efficient artificial wetland system in winter of the present invention comprises a solar greenhouse, a geothermal heat pump, an air heat pump, an artificial wetland and a ventilation component; the solar greenhouse is arranged adjacent to the artificial wetland, one end of the geothermal heat pump is used for water inlet and the other end extends to the artificial wetland for water outlet, the main part of the geothermal heat pump is buried in the underground soil, both ends of the air heat pump are located in the solar greenhouse and the main part of the air heat pump is passed through the artificial wetland, one end of the ventilation component is located outdoors of the solar greenhouse and the other end extends to the underground part of the artificial wetland, part of the ventilation component is passed through the solar greenhouse, and the ventilation component is used to ventilate the artificial wetland. The highly efficient artificial wetland system in winter of the present invention has the advantages of simple and convenient operation, low operating cost, good water treatment effect and good benefits.

A preparation process and structure of a semiconductor coupler clamp jaw, comprising the following steps: S1, dividing a metal block for preparing the semiconductor coupler clamp jaw into two parts A and B; S2, forming a blind hole with a millimeter-level inner diameter size in a slanting direction on the metal block part A; and S3, forming a blind hole with a micrometer-level inner diameter size in a horizontal direction on the metal block part B. The present application effectively realizes heat exchange between the inside of the metal clamp jaw and the outside, avoids non-uniform thermal expansion of the metal clamp jaw due to local high temperature, avoids abnormal phenomena such as local elongation, warping, slight bending and torsional micro-deformation in the high-temperature area, avoids causing distortion of the clamping posture, and avoids causing micron-level deviation of the optical fiber alignment precision under the un-solidified UV glue.

The invention relates to a control method for contract exchange, in particular to a control method for intelligent contract exchange based on slabs in an inventory. The system comprises a real-time monitoring and data analysis module for slabs in an inventory, an automatic slab information acquisition module, a contract data management module, a design exchange decision module, a slab and contract association database establishment module and an exchange suggestion generation module, and slab data is recorded in the real-time monitoring and data analysis module for the slabs in the inventory. The method comprises the following steps of: establishing basic data, establishing association with other modules, displaying data information on an operation interface of a corresponding module of the system for real-time monitoring, performing intelligent contract exchange after new contracts are put in storage, establishing an association database of slabs and contracts, performing real-time monitoring and analysis on the data, and establishing contract exchange rules, thereby realizing intelligent contract exchange. Therefore, intelligent management of materials can be effectively carried out, and intelligent matching and exchange of contracts are realized.

The utility model provides an in-shell battery clamping finger, an in-shell battery carrier, an in-shell battery clamping jaw and a matched in-shell battery carrier and in-shell battery clamping jaw, the in-shell battery clamping finger comprises an in-shell battery clamping finger body, an in-shell battery clamping finger head and an in-shell battery clamping finger shoulder, the in-shell battery clamping fingers are provided with in-shell battery clamping fingers and palm and in-shell battery clamping finger and palm grooves, so that the top cover can be clamped; each of the in-shell battery carrier and the in-shell battery clamping jaw comprises two clamps comprising in-shell battery clamping fingers, clamping plates and clamping cushions, the two clamps can clamp an aluminum shell of the in-shell battery, and the two in-shell battery clamping fingers clamp a top cover of the in-shell battery at the same time for transferring and carrying, so that the top cover can be prevented from moving relative to the aluminum shell to crack a battery cell tab; the clamping plate of the in-shell battery carrier and the clamping plate of the in-shell battery clamping jaw can be embedded with each other, and the in-shell battery clamping jaw and the in-shell battery carrier can clamp the in-shell battery when clamping the in-shell battery, so that the exchange of the in-shell battery between transfer loading and carrying grabbing is realized.

The utility model belongs to the technical field of building curtain walls, and particularly relates to a filtering and purifying type building curtain wall which comprises a metal frame and tempered glass, the tempered glass is installed in an inner cavity of the metal frame, an air inlet groove is formed in one side of the surface of the metal frame in a penetrating mode, an exhaust groove is formed in the other side of the surface of the metal frame, and an air inlet fan is installed in an inner cavity of the air inlet groove. An exhaust fan is installed in an inner cavity of the exhaust groove, the air inlet fan and the exhaust fan are distributed at equal intervals, and an air filter element is movably installed on one side of the air inlet fan. Outdoor air can be sucked into a room through the air inlet fan, the air sucked by the air inlet fan penetrates through the air filter element, dust in the air can be filtered through the air filter element so that the cleanliness of the air can be guaranteed, indoor air can be sucked out through the exhaust fan and exhausted out of the room, and exchange of the indoor air and the outdoor air can be achieved; the purpose of filtering and purifying indoor air is achieved, and the indoor air quality can be improved.

The invention relates to the technical field of motor shell protection, and particularly discloses an electric tricycle motor shell sealing structure, which comprises a fixing group, two side edge groups and a sealing group, the fixing group, the two side edge groups and the sealing group are combined to form a motor hexahedron sealing shell, the fixing group comprises a fixing seat, the side edge groups comprise side edge plates, and the side edge plates are arranged on the fixing seat. And the sealing group comprises a sealing seat. Through the combined design of the sealing set, the fixing set and the side edge set, in cooperation with a sealing rubber strip and a socket clamping groove structure, tight closed sealing of the shell is achieved, meanwhile, disassembly and assembly can be facilitated, later maintenance is facilitated, effective exchange of airflow is guaranteed through rotation of the air duct, meanwhile, long-term invasion of external steam is prevented, the influence of moisture on the motor is avoided, and the service life of the motor is prolonged. Air flow exchange optimizes heat dissipation under the condition that sealing performance is not affected, a sealing seat water tank can effectively accumulate and discharge water vapor, motor damage caused by internal water accumulation is avoided, and external water vapor is further prevented from entering through the design of a side edge plate valve plate and a special air outlet.