33results about How to "Small installation space" patented technology

The utility model discloses a double-bead feeding mechanism capable of changing colors front and back, which comprises a base, a pulley is arranged on the base, a bead feeding clamp is arranged on the pulley, a jaw capable of being opened or closed under the action of the pulley is arranged at the front end of the bead feeding clamp, the double-bead feeding mechanism further comprises a shifting mechanism, a fixed positioning block is arranged above the bead feeding clamp, and the fixed positioning block is arranged on the base. A fixed positioning block is arranged on the base, a sliding positioning block is connected to the front side of the fixed positioning block in a sliding mode, a first positioning hole is formed in the sliding positioning block, a second positioning hole is formed in the fixed positioning block, a color changing supporting plate is arranged between the sliding positioning block and the base, and a front stroke limiting structure, a first rear stroke limiting structure and a second rear stroke limiting structure are arranged on the base. The sliding positioning block and the first rear stroke limiting structure can slide left and right at the same time under the action of the shifting mechanism. The bead feeding mechanism is compact in structure, small in occupied installation space, good in operation stability and reliability and suitable for the bead embroidery machine head with a plurality of bead feeding mechanisms.

The utility model relates to a purified water parallel operation module and a pharmaceutical water system. The purified water parallel operation module comprises a water storage tank; one end of the water supply pipeline is communicated with the water outlet of the water storage tank; the water delivery pump is arranged in the water supply pipeline; a water inlet of the first three-way piece is communicated with the other end of the water supply pipeline; the first water supply branch pipe and the second water supply branch pipe are arranged in parallel, and a water inlet of the first water supply branch pipe and a water inlet of the second water supply branch pipe are communicated with a first water outlet and a second water outlet of the first three-way piece respectively; the second three-way piece is communicated with one end of the water return pipeline, the water outlet of the first water supply branch pipe and the water outlet of the second water supply branch pipe, and the other end of the water return pipeline is communicated with the water inlet of the water storage tank; and the return water heat exchanger is arranged in the water supply pipeline.

The present invention discloses a reed-type micro-electromagnetic valve, which relates to the field of micro-electromagnetic valves. The micro-electromagnetic valves currently used in the market usually use electromagnetic matching springs to complete the opening and closing of the solenoid valves. However, the existing springs have a large installation space, are easily dislocated or deformed during use, and have poor stability. The following scheme is proposed, which includes a valve body, a protective shell for installation is provided inside the valve body, and a coil frame for installing a coil is provided inside the protective shell, and a reed for rebound is provided on the top of the valve body. The reed-type micro-electromagnetic valve replaces the spring with a hollow flat-plate reed provided inside, which can solve the problem that the spring installation space is large and the reed requires very little space, and achieves space optimization in terms of volume, while avoiding the problem that the spring is inconvenient to install, is easily dislocated or deformed during use, and has poor stability. At the same time, the insulating ring is convenient for blocking the magnetic circuit, making the magnetic force stronger.

The invention relates to the technical field of heat pump systems, in particular to an oil way system applied to a petrochemical background heat pump process and an operation method thereof, the oil way system comprises a tower top condensation evaporator, and a gas-liquid separator and the tower top condensation evaporator are connected through a pipeline; the heating coil is arranged in the gas-liquid separator, the oil separator is connected with the heating coil through an oil way I, the heating coil is connected with the oil pump through an oil way II, the oil pump is connected with the compressor through an oil way III, and the compressor is connected with the oil separator through a pipeline; the first oil way is connected with the oil return plate heat exchanger through a fourth oil way, and the oil return plate heat exchanger is connected with the second oil way through a fifth oil way. The tower top condensation evaporator is connected with the oil return plate heat exchanger through an oil return pipe, an oil return electromagnetic valve and an oil return adjusting valve are arranged on the oil return pipe, and a heating oil adjusting valve is arranged on the fourth oil way. The oil return plate heat exchanger is connected with the compressor through a sixth oil way, and an oil return temperature sensor is arranged on the sixth oil way. Waste heat of high-temperature lubricating oil is utilized, and efficiency is improved.

The invention relates to a labeling machine. The labeling machine comprises a machine table, the label feeding mechanism is arranged on one side, in the first direction of the labeling machine, of the machine table; the feeding conveying line body is arranged on the machine table and arranged side by side with the label feeding mechanism in the first direction. The clamping and positioning mechanism is arranged on the machine table and is arranged between the label feeding mechanism and the feeding conveying line body; the rotary table mechanism is arranged on the machine table and located at the sending-out end of the feeding conveying line body, the rotary table mechanism comprises a rotary table and a plurality of positioning clamps, the rotary table is rotatably arranged, and the multiple positioning clamps are arranged on the rotary table at intervals in the circumferential direction of the rotary table; each positioning clamp can sequentially pass through a clamping station, a labeling station, a label missing detection station and a discharging station; the discharging conveying line body is arranged on the machine table and arranged on one side of the rotary disc mechanism. The sending-out line body is arranged on the machine table and arranged on the side, away from the rotary disc mechanism, of the discharging conveying line body. The transferring mechanism is arranged on the machine table and used for transferring the products from the discharging conveying line body to the sending-out line body.

The utility model discloses a kind of high-precision weighing evapotranspiration instruments of embedded installation based on lever balance, belong to evapotranspiration instrument technical field. Including fixed support, tray assembly is movably connected on fixed support, and evapotranspiration instrument experimental soil box is set on tray assembly, and weighing assembly is set below tray assembly;Force transmission pull rod is arranged between tray assembly and weighing assembly;Weighing assembly includes force measuring device, and force measuring device side rotatably connects with lever two, and lever two middle part is rotatably installed at the bottom of fixed support by support;Force transmission pull rod upper end is respectively connected with two lever one hinged connection, and force transmission pull rod lower end is movably connected with lever two. The utility model is through the cooperation of lever two and counterweight, substantially offset the initial weight of evapotranspiration instrument experimental soil box, so that force measuring device only needs to monitor the tiny weight change caused by soil evaporation, crop transpiration and rainfall / irrigation, avoid large load to influence sensor sensitivity, realize high-precision data acquisition.

The invention discloses a compact environment-friendly gas-insulated totally-enclosed ring main unit, and relates to the technical field of ring main units, in particular to a compact environment-friendly gas-insulated totally-enclosed ring main unit, which comprises a cabinet body, fins, a cleaning mechanism and an engineering dry air mechanism, fins achieve heat dissipation of the cabinet body, the cleaning mechanism cleans dust on the fins through a rolling brush, a spray head at the bottom of a first pipeline can wet the rolling brush when a temperature sensor detects that the temperature exceeds 50 DEG C, and a support is matched with the spray head to move up and down to achieve the dual functions of cleaning and cooling. The engineering dry air mechanism preheats air through a heating pipe and a heating wire of a second pipeline, then the air is dehydrated and air-dried through a small thermal cycle air bellow, generated dry air is introduced into an air box for insulation arc extinguishing, and meanwhile the temperature of the air box is controlled to guarantee the insulation performance. The ring main unit is compact in structure, dry air is non-toxic and non-combustible, greenhouse effect is avoided, and the ring main unit is environment-friendly, reliable in operation and suitable for various power distribution scenes.

The utility model provides a signal conversion module. The signal conversion module comprises a housing; the conversion circuit is arranged in the shell; the USB communication port is electrically connected with the conversion circuit; the RS485 communication port is electrically connected with the conversion circuit, so that the conversion circuit supplies power to the RS485 communication port; the signal conversion chip is arranged in the shell and is used for converting a signal received by the USB communication port, outputting the converted signal to the RS485 communication port and transmitting an RS485 signal to RS485 equipment, so that the RS485 equipment parameters are changed by changing software parameters on a computer, the size of the signal conversion module is small, the occupied installation space is small, and the cost is low. An engineer can carry along when debugging equipment on a business trip, and debugging is convenient; the 485 communication device and the computer can be connected only through the connection signal conversion module, the RS485 device does not need to be connected with a power line again, and the installation steps are simple.

The utility model discloses a compact combined device for vertically taking and placing articles. The device comprises a linear conveying device of a main body part and rotating arm mechanisms mounted at the two ends respectively. A moving beam in the linear conveying device drives rotating arm mechanisms at the two ends to move in the vertical direction, and then the rotating arm mechanisms clamp or place objects through swinging motion. Each rotating arm mechanism comprises a working arm, a power source for driving the working arm to rotate and a power transmission mechanism. The tail end of the horizontal part of the working arm is connected with a pin shaft of the transmission mechanism. The transmission mechanism is composed of a driving gear at the output end of a power source, transmission gears fixed to the two ends of the movable beam and a pin shaft. According to the device, a part of a transmission gear is designed in the linear conveying device, and the design of a half-ring gear movable groove is adopted, so that the size of a transmission mechanism is smaller. The device is compact in overall structure, small in occupied installation space and suitable for a scene with a narrow space. The method is expected to be widely applied to the fields of automatic production lines, logistics sorting, intelligent warehousing and the like.

The embodiment of the present invention discloses a rapid detection device based on photoinduced chemiluminescence, including: a frame module; a bin discharge module, which is arranged on the frame module and corresponds to the discharge port; a mixing module, which is arranged on the frame module; an incubation module, which is arranged on the frame module and arranged on one side of the mixing module; a detection module, which is arranged on the frame module and arranged on one side of the incubation module; and a gripper module, which is arranged on the frame module, and the moving range of the gripper module covers the bin discharge module, the mixing module, the incubation module and the detection module. Since the detection device of this scheme does not involve a liquid circuit structure, there is no need to perform liquid circuit structure maintenance and waste liquid treatment, making the operation and use convenient and simple. This scheme adopts a POCT portable automatic structure design, and the device is small in size and easy to transport and carry. The device operation does not require human intervention, saving time and effort.

This invention relates to the field of palletizing robot technology, specifically a high-efficiency palletizing robot for pet food processing. It includes a mounting base on which a rotating platform is mounted, a robotic arm rotatably mounted on the rotating platform, a slewing support connected to the robotic arm, a mounting bracket at the lower end of the slewing support, and gripping claws mounted on the mounting bracket; a stabilizing support mechanism disposed inside the slewing support, used to improve stability during material transfer; and a lubrication compensation mechanism disposed inside the slewing support, used to reduce wear and tear on parts. The stabilizing support mechanism can adaptively adjust the support force according to the material weight, suppressing transfer sway and ensuring positioning accuracy; the lubrication compensation mechanism provides on-demand quantitative lubrication and ensures proper sealing protection. Together, these two mechanisms reduce wear on parts and ensure stable and efficient operation of the robot.

According to the valve stroke loss mechanism for the engine, the valve stroke loss mechanism for the engine comprises a transmission cam, the transmission cam is integrated in a valve driving system of the engine, and rotation of the transmission cam generates a gap in the valve driving system of the engine, so that the valve stroke of the engine is lost.

The draught fan damping device comprises a damping unit, a first machine foot plate and a second machine foot plate, wherein the first machine foot plate and the second machine foot plate are parallel to each other. Each vibration reduction unit comprises at least three layers of coaxial vibration reduction cylinders and a plurality of connecting rings, the end faces of every two adjacent layers of vibration reduction cylinders are connected through one connecting ring, and every two adjacent connecting rings are connected with the two end faces of the same vibration reduction cylinder correspondingly. The first machine foot plate is connected with the vibration reduction cylinder on the innermost layer, is positioned outside the vibration reduction cylinder on the innermost layer and is used for mounting a fan; the second machine foot plate is connected with the vibration reduction cylinder on the outermost layer, located outside the vibration reduction cylinder on the outermost layer and used for being connected with the installation platform. The vibration of the fan is transmitted to the vibration reduction cylinder on the innermost layer from the first machine foot plate, sequentially transmitted to the vibration reduction cylinder on the outermost layer from inside to outside and then transmitted to the second machine foot plate, under the vibration reduction device with the same height, the transmission path of the vibration can be enlarged by more than three times, the good effect on energy consumption and attenuation of low-frequency vibration is achieved, and the service life of the fan is prolonged. The longitudinal space can be fully utilized, and the applicability of the device is improved.

The utility model belongs to the field of mechanical structure design, and provides a tractor buffering mechanism which comprises a connector (1), a movable steel sleeve (2), a front baffle (3), a buffering spring (4), a rear baffle (5), a screw (6), a lining (7), a blocking piece (8) and a nut (9). The front baffle (3) is welded to the foremost end of the trailer draw bar body, the rear baffle (5) is welded to the inner side of the middle of the trailer draw bar body, the two bushings (7) are symmetrically installed on the inner side of the front baffle (3) and the inner side of the rear baffle (5) through the screws (6), the two movable steel sleeves (2) are symmetrically installed on the bushings front and back, and the buffer spring (4) is arranged between the front baffle (3) and the rear baffle (5). The connector (1) penetrates through the front baffle (3), the buffer spring (4) and the rear baffle (5) from the front end of the trailer traction rod body and is fixed through the blocking piece (8) and the nut (9).

The application provides an energy storage device and an electric equipment. The energy storage device comprises a box body, an insulating support, a circuit board, a grounding piece, a first connecting assembly and a second connecting assembly. The insulating support, the circuit board and the grounding piece are located in the box body, and the circuit board is located on one side of the insulating support. The grounding piece comprises a first conductive part and a second conductive part which are connected with each other. The first conductive part is located between the circuit board and the insulating support, and the first connecting assembly connects the circuit board, the first conductive part and the insulating support. The second conductive part is located between the insulating support and the box body. The second connecting assembly connects the insulating support, the second conductive part and the box body. The energy storage device of the application is simple to assemble, and the grounding piece can adapt to a narrow installation space.

The invention provides an integrated oil tank multifunctional valve, and relates to the technical field of automobile accessories, the integrated oil tank multifunctional valve comprises a mounting part, a shell, a driving assembly, a first valve part, a second valve part, a first elastic part and a second elastic part, the mounting part is an oil tank sealing part and is used for being mounted on an oil tank and sealing a corresponding opening of the oil tank; the shell and the mounting piece are integrally fixed, and an inner cavity, an air channel and a valve port communicating the inner cavity with the air channel are formed in the shell; the driving assembly is arranged in the inner cavity and comprises a movable part capable of moving in the inner cavity along a straight line. According to the integrated oil tank multifunctional valve, the control part is integrally arranged, the whole valve body is integrally installed on the oil tank sealing piece, the occupied space of the valve body is reduced, independent installation of the valve body is not needed, meanwhile, under the arrangement, a valve body connector and the valve body do not need to be perpendicularly arranged outside the oil tank, the longitudinal space is reduced, the chassis integration degree can be effectively improved, and the cost is reduced. The capacity of the oil tank is increased under the same design space.

The utility model relates to a camera module and intelligent interaction equipment, and the camera module comprises a reflector, the reflector is provided with a reflecting surface, the reflecting surface forms an arc-shaped convex surface, and the arc-shaped convex surface is used for facing a real scene; and a camera assembly, the camera assembly and the reflector are arranged in an inclined and opposite manner, the camera assembly comprises a lens, and the lens is arranged in a manner of facing the reflecting surface. The lens of the camera assembly is arranged opposite to the arc-shaped convex surface of the reflector, so that the light path of the arc-shaped convex surface to the lens has a reflection expansion effect, that is, the light path is expanded outwards after being reflected by the arc-shaped convex surface, and the effect of effectively amplifying the horizontal field angle is achieved; therefore, the visual field range and the shooting capability of the camera module are improved, and compared with the prior art, the camera module is simple in structural composition, low in equipment investment cost, small in occupied installation space and high in practicability.

This utility model discloses an engine with a de-icing device, including a water system mounted on the engine for de-icing an orifice plate flow meter, an EGR valve intake pipe, and a mixer. The water system includes an orifice plate flow meter water jacket, an EGR valve intake pipe water jacket, a mixer water jacket, and several connecting pipes. The water intake end of the water system is connected to the engine's oil cooler. The water system is connected in series from bottom to top via several connecting pipes, consisting of the mixer water jacket, the EGR valve intake pipe water jacket, and the orifice plate flow meter water jacket. The orifice plate flow meter water jacket is connected back to the engine's water inlet pipe via connecting pipes to form a coolant circulation loop. The orifice plate flow meter water jacket, the EGR valve intake pipe water jacket, and the mixer water jacket are integrated into the orifice plate flow meter, the EGR valve intake pipe, and the mixer, respectively. Coolant that has undergone heat exchange in the oil cooler is drawn out and circulated in the water system, transferring heat to the icing locations of the orifice plate flow meter, the EGR valve intake pipe, and the mixer for de-icing.

The utility model relates to the technical field of heat supply equipment, and provides a water outlet valve assembly and a wall-hanging stove, and the water outlet valve assembly comprises a water outlet valve body and a sterilization device. According to the water outlet valve assembly, the water outlet valve body provided with the main water inlet, the heating water outlet, the bathroom water outlet and the sterilization connector is arranged; the heating water outlet communicates with the main water inlet through the heating large circulation channel. The bathroom water outlet is communicated with the main water inlet through the heating small circulation channel; the sterilization connector is communicated with the bathroom water outlet through the sterilization channel, and the sterilization channel is communicated with the heating small circulation channel; the sterilizing device is provided with a lamp base and a sterilizing lamp, the sterilizing lamp is arranged on the lamp base, and the lamp base is arranged on the sterilizing connector; the sterilization device is more convenient to mount or dismount, the structure of the sterilization device is simplified, the sterilization device only needs to be mounted at the sterilization joint of the water outlet valve body, operation is easy, pipelines of the wall-hanging stove do not need to be greatly modified, the sterilization device can be suitable for an existing wall-hanging stove, the size of the water outlet valve assembly can be smaller, and occupied mounting space is small.

The utility model relates to the technical field of electronic water pump manufacturing, in particular to a brushless electronic water pump and a brushless electronic water pump stator convergence bridge. Comprising a PCB body, and a first metal layer and a second metal layer are overlapped on the PCB body; a group of winding connecting end holes are formed in the PCB body in a circumferential array manner, the winding connecting end holes sequentially comprise three groups of end holes which are sequentially arranged in the circumferential direction, the three groups of end holes are respectively first phase end holes, second phase end holes and third phase end holes, the number of the end holes in each group is four, and the end holes are uniformly distributed in the circumferential direction; the twelve end holes are evenly distributed in the circumferential direction of the circumference. The PCB body is provided with an electrical connection path, and the electrical connection path comprises a first path, a second path and a third path; a double-layer PCB (printed circuit board) is adopted to form a confluence bridge PCB, and a stator winding and the brushless electronic water pump stator confluence bridge are connected together in a press fitting manner by inserting a fisheye inserting needle into an end hole. The production efficiency is improved and the production cost is saved.

The application discloses an emergency stop button of a mower, which comprises a mounting seat arranged on the top of a mower shell and a button cover arranged on the mounting seat. The mounting seat is provided with a flap mounting support, and the flap mounting support is hingedly connected with an emergency stop flap. One end of the emergency stop flap is an inductive end, and the other end is a pressing end. The inductive end of the emergency stop flap is provided with a magnet. The lower portion of the mounting seat is provided with a magnetometer matched with the magnet. The pressing end of the emergency stop flap is abutted against the bottom of the button cover. A reset elastic piece is arranged between the button cover and the mounting seat. The structure is compact and has good waterproof performance.

The invention relates to a machine head assembly and a fan. The machine head assembly comprises a machine head body, an assembling support, a first rotating base, a second rotating base and a head shaking motor. The machine head body is rotatably arranged on the assembly support around a first axis. The first rotating seat and the second rotating seat are in running fit around a second axis, and the second axis intersects with the direction of the first axis. The assembling support is arranged on the first rotating base, and the second rotating base is used for being fixedly connected with a fan body assembly of the fan. The head shaking motor is used for driving the machine head body to rotate around the first axis, and the first rotating seat and the second rotating seat relatively rotate around the second axis. According to the machine head assembly, the head shaking motor can drive the first rotating base to rotate relative to the second rotating base, and left-right head shaking of the machine head body is achieved. Meanwhile, the head shaking motor and the assembling support are jointly located on the first rotating base, the head shaking motor can be well used for driving the machine head body to rotate around the first axis, up-down head shaking is achieved, and the up-down and left-right head shaking function can be achieved through the single head shaking motor.

An integral forging type liquid inlet and return multi-way block for a hydraulic support comprises a liquid inlet and return multi-way block body, the whole liquid inlet and return multi-way block body is in a gourd shape, and the liquid inlet and return multi-way block body comprises an upper small block and a lower large block which are integrally forged and machined and integrally formed. The upper small block and the lower large block are both fan-shaped blocks with the upper portions expanding and the lower portions contracting. According to the multi-way block, the technical advantages of forging are fully utilized, the functions of the multi-way block are guaranteed, materials are used as few as possible, the size and weight of the multi-way block are reduced to the maximum extent, the machining cost is reduced, the material utilization rate is improved, the using requirement of the market for the materials can be met, the structure is more exquisite and small, and in the actual using process, the machining cost is reduced. And the occupied installation space is small.

The embodiment of the invention discloses a detection device based on light-excited chemiluminescence. The detection device comprises a detection seat, the sample injection mechanism is arranged on the detection seat, and the sample injection mechanism is arranged corresponding to the feeding groove; the uniform mixing mechanism is arranged on the detection seat; the incubation mechanism is arranged on the detection base and arranged on one side of the uniform mixing mechanism, the incubation mechanism is of an arc-shaped structure, and the incubation mechanism is further provided with a discharging groove; the detection mechanism is arranged on the detection seat and is arranged on one side of the incubation mechanism; the box taking and placing mechanism is arranged on the detection seat, and the box taking and placing mechanism is used for transferring the reagent card box; wherein the feeding mechanism, the uniform mixing mechanism, the incubation mechanism and the detection mechanism are all located in a box taking and placing working range of the box taking and placing mechanism. According to the scheme, a portable automatic structural design is adopted, equipment is small in size and convenient to transport and carry, equipment operation does not need manual intervention, and time and labor are saved.

The utility model discloses a kind of vibration conveyer bolt quick release device, comprising: bolt fixed body, bolt mounting hole for installing swing arm is opened on the bolt fixed body, electromagnetic coil is provided on the bolt fixed body, and the electromagnetic coil is connected with switch and controller.The vibration conveyer bolt quick release device of the utility model, when the fixed nut of swing arm bolt is disassembled, inner bolt does not need to be fixed using tool, single person can complete disassembly and assembly work, simultaneously solve technical problems such as small operation space, large operation difficulty;Small in size, it is smaller to occupy installation space, without reforming existing equipment structure type;Simple structure, easy to operate, processing and manufacturing difficulty is small, manufacturing economy is good;It can effectively reduce daily swing arm replacement maintenance difficulty, improve work efficiency, reduce labor intensity;Only use when swing arm changes operation, equipment daily work does not need to be electrified, and energy consumption is less.

The invention discloses casting equipment for navigation lifesaving equipment, and belongs to the technical field of lifesaving casting devices, the casting equipment comprises a casting device, a plurality of traction devices and lifesaving equipment, the casting device is provided with a single group of independent casting cavity channels, and the traction devices and the lifesaving equipment are both provided with a plurality of groups of independent casting cavity channels. Each group of traction devices is matched with a single group of lifesaving equipment in a one-to-one correspondence manner, and the plurality of groups of traction devices can be sequentially switched to be correspondingly matched with the casting station of the casting device. A single cavity channel is matched with a plurality of groups of switchable traction devices, so that continuous casting operation and independent traction matching of each lifesaving device are realized; the rope releasing speed is controlled in a closed-loop mode through weight data, the buffering allowance is reserved in the whole process to pull the rope, casting reverse damping is eliminated, the problems that existing equipment is low in rescue effectiveness, limited in casting performance and low in response speed are solved, and the maritime emergency rescue reliability is greatly improved.

The invention relates to the field of pipeline control equipment, in particular to a filtering type valve ball and a using method thereof.The filtering type valve ball comprises a valve ball body and a valve shell, the valve ball body is arranged in the center of the valve shell, end covers are installed at openings in the two ends of the valve shell, and sealing sleeves abutting against the two sides of the valve ball body are arranged on the inner sides of the end covers; an operating handle for supporting the valve ball to rotate is vertically arranged at the top of the valve shell in a penetrating manner; a via hole sequentially communicated with the end covers on the two sides transversely penetrates through the middle of the valve shell, a core hole horizontally penetrates through the center of the valve ball, the interior of the core hole coaxially protrudes to form a blocking edge, and a filter screen is installed on one side of the blocking edge. The front side and the rear side of the valve shell are communicated to form a maintenance channel to serve as a back-flushing cleaning system, a piston disc is pushed to compress air in a core hole, air pressure is utilized to push an auxiliary disc to move, a discharging channel is opened, compressed air, residual fluid and intercepted impurities are discharged along leakage holes, back-flushing flushing of a filter screen is achieved, and a valve end cover or a valve ball does not need to be disassembled. The cleaning operation consumes shorter time, and the maintenance efficiency can be improved.

The utility model relates to an energy storage communication device and an energy storage system. A first shell in the device is provided with a first accommodating cavity; the antenna assembly is arranged in the first accommodating cavity; the lifting control assembly is arranged adjacent to the first port of the first accommodating cavity, the lifting control assembly is connected with the antenna assembly, and the lifting control assembly is used for controlling the antenna assembly to be far away from or close to the second port of the first accommodating cavity, so that the mounting structure of the communication device is simplified, and the mounting space of the communication device is reduced; the second port can control the antenna assembly to rise to be far away from the first accommodating cavity, so that the reliability of data communication is enhanced; and when the communication function is not used, the antenna assembly can be controlled to descend to be close to the second port of the first accommodating cavity, so that the antenna assembly is accommodated, the antenna assembly is prevented from being damaged due to long-term exposure, and the service life of the antenna assembly is prolonged.

The present invention relates to an automatic door opening and closing mechanism and a refrigerator using the same, comprising: a power source capable of forward and reverse power output; a telescopic driving assembly suitable for driving a refrigerator door body to open and close relative to a refrigerator body; the telescopic driving assembly comprises a screw rod connected to the power source in a transmission manner, a nut connected to the screw rod in a transmission manner, and a telescopic rod matched with the nut; wherein the telescopic rod is provided with a clutch groove, and the nut is provided with a clutch hook suitable for being embedded in the clutch groove; the clutch groove is provided with a clutch notch; and the clutch notch and the clutch hook are suitable for forming a connection and disengagement state. The present invention can reduce the hidden danger of damage to the automatic door opening and closing mechanism when it is subjected to a sudden impact external force during the driving process.