55results about How to "Easy to observe and maintain" patented technology

The invention relates to a 35kV wind power-used compact pre-fabricated substation structure transformer field. The 35kV wind power-used compact pre-fabricated substation structure is composed of a shell, a high and low-voltage power transformation device, a transformer, and a solar photovoltaic power generation system, wherein the shell is provided with a high-voltage room, a cable room, a maintenance room and a low-voltage room; radiators of the transformer and the transformer body are exposed outside the box body; high-voltage wire outgoing of the transformer adopts a pure porcelain bushing and is arranged on an outer large steel plate of a transformer connection flange surface; four low-voltage wire outgoing bushings also adopt pure porcelain bushings, are adjacent to the high-voltage bushing group and are vertically arranged, and are connected with the low-voltage cabinet by using a copper busbar. A high-voltage AC isolation vacuum load switch-fuse combined electric appliance transformation device is adopted for the high voltage. The top cover of the pre-fabricated substation is provided with solar panels for providing an operating power supply for the high and low-voltage switch, necessary actions of the high and low-voltage switch in any condition can be ensured, the device reliability is improved, the service life of the pre-fabricated substation is prolonged, the occupied area and the use space are saved, the investment cost is reduced, and the pre-fabricated substation structure design is particularly suitable for high cold and dry and hot climates in a northern region.

The invention discloses an edge pressing mechanism of a high-speed can body stretcher. The edge pressing mechanism of the high-speed can body stretcher is characterized in that a cam follower, an edgepressing push rod, a thrust arm, a follower lever, an edge pressing force arm, an edge pressing slider and an edge pressing sleeve are successively arranged from an edge pressing cam according to a driving chain; a torque shaft is arranged at a turning point for the edge pressing force arm or / and the thrust arm; a first elastic element is arranged for the cam follower to force the cam follower topress tightly the edge pressing cam; and a second elastic element is arranged for the edge pressing sleeve to force the edge pressing sleeve to move in the pressing direction; directions of the forcetransmitted to the follower lever by the first elastic element and the second elastic element are opposite, and a sliding pin at a joint between the follower lever and the edge pressing force arm ismade to be located at the position of one end of an oblong hole. According to the edge pressing mechanism, first, the structure of an original edge pressing mechanism is greatly simplified, and the problem of poor synchronicity of driving of double edge pressing mechanism cams is overcome at the same time; second, maintenance is provided with convenience; and third, the sealing difficulty caused by a previous edge pressing push rod penetrating through an oil separator plate and the problem of serious mutual pollution between oil and emulsion are avoided.

The invention discloses a distribution cabinet which is convenient to be overhauled, including a distribution cabinet body, the right side surface of the distribution cabinet body is fixedly hinged with a sealing door through hinges, the right side of the seal door is fixedly connected with a handle, a sliding plate adapted to the main body of the distribution cabinet is arranged inside the main body of the distribution cabinet. The right side surface of the sliding plate is fixedly connected with an electrical component mounting buckle, the inner top wall and the inner bottom wall of the distribution cabinet body are provided with a first sliding groove, the upper surface and the bottom surface of the sliding plate are fixedly connected with a first sliding block adapted to the first sliding groove, and the first sliding block is clamped inside the first sliding groove. The power distribution cabinet convenient for maintenance can make two push-pull plates move to the middle by providing a rotating rod, a positive thread path and a reverse thread path, and cooperating with a threaded pipe, and can make the push-pull rod push the sliding plate to move to the right by providing a second pin shaft, a positioning block and a first pin shaft, so that the worker can conveniently observe the maintenance and improve the work efficiency.

The invention provides an electromechanical control device. The device comprises an electromechanical device mounting shell, an electromechanical integrated device is connected to the interior of theelectromechanical integrated device mounting shell through bolts; a rack is installed at the bottom of the electromechanical device mounting shell through a machine base, a maintenance frame is longitudinally arranged at a maintenance opening in the left end of the electromechanical device mounting shell and is fastened and connected through a quick-release bolt, and an observation window is embedded in the maintenance frame. A movable mounting plate, a connection lining seat, an electric adjusting rod, a hollow anti-static pad, a bottom blocking seat, an L-shaped clamping seat and a control device main body are arranged; according to the control requirements, a control panel controls the electric adjusting rod to push the movable mounting plate to act in the connecting lining base, afterthe inclination angle of the movable mounting plate is determined, the control operation can be conducted through the control device main body, and the use is convenient.

The utility model relates to an atmospheric pressure hot water boiler, which is mainly composed of a boiler body consisting of a boiler upper body, a lower body, and a heat exchanger detachably connected. The water circulation channel of the heat exchanger is connected with the water circulation channel of the upper and lower body of the boiler, and communicated with the water supply source through the electric control valve to form a boiler water circulation circuit. The flue gas circulation passage of the heat exchanger communicates with the flue gas circulation passages of the upper and lower bodies of the boiler through the chimney, and communicates with the dust removal pool to form a boiler flue gas circulation loop. The automatic control device is electrically connected with the furnace top water temperature probe, the boiler outlet hot water temperature probe, the preheated water temperature probe on the heat exchanger, the induced draft fan and the electric control valve. Automatic safety exhaust valves are installed on the upper and lower bodies of the boiler and the heat exchanger respectively. The boiler can fully utilize heat energy, improve thermal efficiency, and has low exhaust gas temperature, fast water outlet speed, high and stable water temperature, and large flow rate. It can also effectively save energy, reduce emissions, reduce consumption, and has a good environmental protection effect.

The invention belongs to the technical field of transformers, and particularly relates to an intelligent temperature and humidity regulating system for a transformer. The intelligent temperature and humidity regulating system comprises a master control module, a sensor interface module and a temperature and humidity regulating module, wherein the sensor interface module is connected with the master control module; the master control module is connected with the temperature and humidity regulating module. A sensor interface is connected with a plurality of sensors, the temperature and humidity in the transformer are monitored by utilizing the sensors, the information is transmitted to a master control chip for processing, then the temperature and humidity regulating module is controlled by the master control chip, a control signal is transmitted to a temperature and humidity controller, and then the temperature and humidity in the transformer are controlled, so that electrical apparatus elements in the transformer operate in a good environmental condition, the service life of the transformer is prolonged, and the cost is reduced.

The invention provides a multifunctional oil testing and oil gas production wellhead device which comprises a Christmas tree. The Christmas tree comprises a four-way joint and a valve installed on the four-way joint, and the oil production wellhead device further comprises a valve replacement unit used for replacing the valve. The valve replacement unit comprises a first rotating shaft, an outer spline is arranged on a spline shaft of the first rotating shaft, the outer spline is in spline connection with a first shaft sleeve, the outer spline is further sleeved with a second shaft sleeve in a sliding manner, telescopic clamping assemblies used for clamping the valve are installed on the outer wall of the first shaft sleeve and the outer wall of the second shaft sleeve, and a plurality of sliding blocks are further fixedly connected to the outer wall of the second shaft sleeve. The sliding blocks are arranged on a first sliding rod in a sliding mode, and the first sliding rod is parallel to the first rotating shaft. According to the multifunctional oil testing and oil gas production wellhead device, the valve to be overhauled or replaced can be clamped when the valve is overhauled and replaced, the valve does not need to be manually supported in the overhauling and replacing process, the labor intensity of workers is reduced, and the workers can conveniently observe and overhaul the interior of a valve element and a valve body of the valve.

The invention discloses an alarm system of high-low voltage power equipment, and belongs to the field of high-low voltage power equipment.The alarm system of the high-low voltage power equipment.The alarm system of the high-low voltage power equipment.The alarm system of the high-low voltage power equipment comprises a power cabinet, a storage battery is installed on the back face of the power cabinet, a power-off assembly is arranged in the power cabinet, and a heat dissipation assembly is arranged in the power cabinet; an alarm assembly is arranged in the electric power cabinet, a fire extinguishing assembly is arranged in the electric power cabinet, a power-off assembly comprises four wires, four contacts, an electric push rod and a bearing plate, the four wires are installed in the electric power cabinet and the storage battery respectively, the four contacts are installed at one ends of the four wires respectively, and the electric push rod is installed in the electric power cabinet. According to the invention, the fire hazard phenomenon in the power equipment can be reduced, automatic fire extinguishing can be carried out when the fire hazard occurs, alarm prompting is carried out in time, and a worker can carry out fire extinguishing maintenance at the first time.

The invention relates to a rotating ring type electric energy meter. The rotating ring type electric energy meter comprises a meter body and a digital display module. A power supply ring sleeves the digital display module. The power supply ring comprises a housing, a friction ring, a temperature difference ring plate, a flow stabilizer and a cooling ring. The cooling ring closely abuts against a low-temperature heat conducting plate. The friction ring closely abuts against a high-temperature heat conducting plate. The other annular surface of the friction ring is provided with a sealed heat transfer plate. The sealed heat transfer plate and the housing form a closed air ring. The sidewall of the air ring is provided with a unidirectional air outlet valve. The air ring is also provided with an air guiding pipe. The other end of the air guiding pipe is communicated with a power generating chamber. The surfaces of the high-temperature heat conducting plate and the sealed heat transfer plate which contact with the friction ring are frosted surfaces. The rotating ring type electric energy meter has advantages of exquisite structure, small space occupation, no requirement for battery change, sufficient electric power and brightness in use and data uploading, high convenience and high speed.

The invention discloses a big data temperature detection and maintenance case convenient for heat dissipation. The big data temperature detection and maintenance case comprises a case body, moving wheels and a check block. Sponge is connected to the inner sides of the left end and the right end of the case body in a clamped mode; the outer side of the sponge is connected with filter screen; an exhaust pipe is arranged on the inner side of the case body; through holes are uniformly formed in the exhaust pipe; the outer side of the upper end of the exhaust pipe is connected with a fixing block,a multi-way plate is installed on the upper side of the fixing block, the moving wheels are located on the inner side of the lower end of the case body, the upper surface of the limiting plate is fixedly connected with a spring, the check block is located on the rear side of the middle of the lower end of the case body, and a transparent glass plate is embedded in the case cover. According to thebig data temperature detection and maintenance case convenient for heat dissipation, heat dissipation of the case is facilitated, dust can be prevented from entering the case, vibration generated by aserver can be buffered, and observation, maintenance and overhaul of the server are facilitated.

The invention provides an anode carbon block slotting device which comprises a rack, a fixed working platform, a safety soundproof shield, a movable working platform and an ultrasonic removing device.The fixed working platform is arranged at the upper portion of the rack, an inverted conical waste recycling bin is arranged at the bottom, a stroke switch, a clamping rod and an axial clamping hydraulic cylinder are arranged on the fixed working platform, and a material conveying chain surround the fixed working platform; two axial guiding columns are arranged on the movable working platform, and a ball screw is arranged in the middle of the movable working platform; the ultrasonic removing device is arranged on the movable working platform, and the safety soundproof shield is fixed to the rack and covers the fixed working platform and the movable working platform. The ultrasonic removing device is exquisitely applied to anode carbon block slotting, a chain is adopted for conveying transverse feed, machining and slotting are performed in the moving mode of an anode carbon block fixing removing tool, sound insulation and noise reduction are achieved, and the production and manufacturing technology is optimized.

The invention belongs to the field of aerosol generating devices, and discloses an atomization core locking method and device and an aerosol generating device. A rotating part is arranged on a sealingarea to drive a clamping plate to move, so that in the moving process of the clamping plate, based on the friction effect of a soft rubber plug, a locking part is driven to eccentrically rotate; thelocking part rotates to enter an atomizing core to lock the atomizing core, so that a user can directly move the rotating part on the surface of a base to lock the atomizing core by rotating the locking part; the whole locking structure is arranged on the surface of the base, so that observation and maintenance of the user are facilitated, meanwhile, the structure of locking the atomizing core issimplified, and easily-damaged parts such as springs and elastic pieces in existing equipment are reduced; and therefore, the device has lower failure rate and longer service life, and reduces production cost.

An automatic feeding machine for an injection solution comprises a rack; a whole disk feeding mechanism is arranged on the right side of the rack in which a material box overturning feeding device is arranged; a queuing conveying mechanism is arranged on the front side of the rack; a discharging track is arranged on the top of the front side of the rack; a power control system is arranged at the bottom of the rack; the left side discharging portion of the whole disk feeding mechanism is connected with the feeding portion of the material box overturning feeding device; and the discharging portion of the material box overturning feeding device is connected with the feeding portion of the queuing conveying mechanism through a material conveying track. Feeding and unloading of injection solution material boxes, queuing conveying of the injection solution, and discharging are all automatically completed through mechanical structures, material box emptying and door plate automatic control functions are achieved, and continuous feeding of the injection solution can be achieved.

The invention discloses a battery rapid replacing device for a new energy logistics vehicle. The battery rapid replacing device comprises two battery brackets and two battery boxes arranged on the battery brackets and connected with the two battery brackets. Each battery bracket is provided with two vehicle frame brackets which are both perpendicularly connected with the battery bracket. Each battery bracket is fixedly connected with a vehicle frame through the corresponding vehicle frame brackets. Two connecting frames are arranged on the lower portion of each battery box, and the lower portion of each connecting frame is provided with an airbag connected with the connecting frame. The battery rapid replacing device for the new energy logistics vehicle has the characteristics that the structure is simple, mounting and demounting are easy and convenient, the time and manpower can be effectively saved, and damage of vibration to a battery is effectively reduced.

The invention discloses an energy-saving and environment-friendly efficient waste LED chip recovery processing device, and relates to the technical field of chip recovery. The device comprise as box body, a through groove is formed in the top of the box body, a cover plate is movably arranged at the top of the inner wall of the through groove, a placing frame is movably arranged on the inner wall of the through groove, air cylinders are fixedly arranged at the bottoms of the two sides of the top of the placing frame, a first motor is movably arranged on the front surface of the placing frame, a first screen is fixedly arranged on an output shaft of the first motor, a storage box is fixedly arranged on one side of the box body, and a first water pump is fixedly arranged at the top of the storage box. A stirrer and a second screen are movably arranged, so that a solution in a collecting box can be separated from electronic elements, a second water pump can collect the solution in the collecting box, the recovery effect is enhanced, a liquid outlet can be used for discharging through the second water pump, the recovery processing capacity of the device is comprehensively improved, and energy saving and environmental protection are achieved.

The invention discloses an anti-disassembly intelligent water meter. A water inlet pipe is arranged on one side of a shell, a fixed cylinder is arranged in the shell, a turbine is arranged in the fixed cylinder, a rotating shaft I is arranged on one side of the turbine, one end of the rotating shaft I is movably connected to the fixed cylinder through a bearing, a gear I is arranged at the other end of the rotating shaft I, and a supporting groove is formed in the upper portion of the gear I; a rotating shaft II is arranged on one side of the supporting groove and movably connected to the supporting groove through a bearing, a gear II is arranged at one end of the rotating shaft and meshed with the gear I, and a dial is arranged at the other end of the rotating shaft; a supporting plate Iis arranged at the upper part of the supporting groove and is movably connected to the shell through a pin shaft; a conduit is arranged at the lower part of the fixed cylinder, one end of the conduitis connected to the fixed cylinder, and the other end of the conduit is provided with a water outlet pipe; a locking device is arranged on the upper portion of the water outlet pipe and connected to the outer shell through a supporting shell, and a top cover is arranged on the upper portion of the supporting shell. A user is prevented from disassembling the water meter privately.

The invention discloses an intelligent electric meter protection device with a function of preventing malicious damage, and the device comprises an active detection assembly and a maintenance disassembly assembly, the active detection assembly comprises a protection shell, a sealing shell, a sealing ring, a base cylinder, a base spring, a detection frame, a magnetic ring and an extrusion column, and the sealing shell is matched with the protection shell. The base cylinder communicates with the center of the bottom of the outer wall of the protective shell. According to the invention, through the active detection assembly and the maintenance and disassembly assembly, on one hand, the contact position of the protective shell and the sealing shell can be protected, and once an unauthorized sealing shell moving action is generated, dye spraying can be performed on the protective shell and the sealing shell, so that direct observation and maintenance are facilitated, and subsequent tracing is facilitated; and the working safety is high.

The invention discloses a barrel cover pre-coiling and glue spraying machine. The top of a table-board of a rack is connected with a supporting plate in a vertically movable manner, and barrel covers are conveyed on the top face of the supporting plate; the supporting plate is provided with a through hole A, a through hole B and a through hole C in sequence in the conveying direction of the barrel covers, and a material preparation station, a pre-coiling station and a glue spraying station are arranged at the positions, corresponding to the through hole A, the through hole B and the trough hole C, on the rack; a barrel cover conveying device is arranged on the supporting plate, the conveying device is movably connected with a fixing frame at the top of the rack, and the supporting plate is connected with the table-board of the rack through pistons C in a vertically movable manner. It is known from the above structure of the barrel cover pre-coiling and glue spraying machine that two processes of pre-coiling and glue spraying of the barrel covers are divided into two stations to perform operation on different barrel covers simultaneously, therefore operation time of each process is saved, the bottleneck problem of the production speed of a whole barrel body is solved, and thus the production efficiency of the barrel body is improved.

The brake bearing with the high-friction braking effect comprises a bearing outer ring, a flange, fixing plates and a notch, the flange is installed on the outer wall of the bearing outer ring, and the two sets of fixing plates arranged in a left-right mirror image mode are installed at the top of the flange; four groups of notches which are arranged at equal intervals are formed in the outer wall of the bearing outer ring; a threaded ring is arranged on the inner wall of the bearing outer ring, a first locking ring and a second locking ring are installed on the inner wall of the threaded ring, two sets of symmetrically-arranged groove holes are formed in the top of the first locking ring and the bottom of the second locking ring correspondingly, and rotating folding rods are installed on the tops of the two sets of groove holes. The two sets of locking rings and the outer ring of the bearing are assembled in an embedded mode, the locking rings and the outer ring of the bearing are detachable, a roller in the bearing can be conveniently taken out for inspection, the bearing is provided with an extrusion braking function, the braking effect is improved, a combined flange is installed on the outer side of the bearing, the bearing can be conveniently assembled with other structures in a vehicle body, and the service life of the bearing is prolonged. And the fastening column connected with the assembly flange has the disassembly anti-lost property.

The invention provides anode carbon block slotting equipment with a high automation degree. The slotting equipment comprises a rack, a fixed working platform, a safe soundproof cover, a movable working platform, a lifting mechanism and an ultrasonic eradicating device; the fixed working platform is arranged at the upper portion of the rack, an inversely conical waste recycling chamber is formed inthe bottom, and a material transmission chain is arranged on the fixed working platform; the movable working platform is fixed to the lifting mechanism through an axial guiding column, and the lifting mechanism is in transmission through a bevel gear; the ultrasonic eradicating device is disposed on the movable working platform, and the safe soundproof cover is fixed to the rack and covers the fixed working platform and the movable working platform. The automation degree of the slotting equipment is high, the chain is adopted for automatic conveying and transverse feeding, the movable workingplatform achieves automatic feeding, the lifting mechanism is automatically adjusted, and sound insulation and noise reduction effects are achieved.

The invention relates to the field of welding, and discloses a welding wheel assembly device for a strip steel on-line narrow lap joint seam welding machine. The welding wheel assembly device comprises an electrode wheel support and an electrode wheel arranged on a wheel shaft, the wheel shaft is arranged in a horizontal stepped hole in the electrode wheel support through a front bearing arrangedat the front end and a rear bearing arranged at the rear end, the tail part of the wheel shaft is suspended on the outer side of the electrode wheel support, and the tail part of the wheel shaft is fixedly sleeved with a conical shaft sleeve through a plurality of screws, the outside of the conical shaft sleeve is a cylinder, a copper sleeve is sleeved outside the conical shaft sleeve, a pressingdevice for tightly pressing the inner cylindrical surface of the copper sleeve and the outer cylindrical surface of the conical shaft sleeve is arranged on the outer side of the copper sleeve, and thepressing device is connected with an electrified copper strip. The welding wheel assembly device for the strip steel on-line narrow lap joint seam welding machine has the advantages that the conductive conical shaft sleeve is partially moved out of the electrode wheel support, the machining and assembly are simple, the production and use are convenient, the production efficiency is remarkably improved, and the equipment cost and the maintenance frequency are reduced.

The invention discloses scrap copper refining equipment for mobile phone chip recovery and a refining method, and relates to the technical field of mobile phone chip recovery. The equipment comprises a box body; a feeding opening is fixedly formed in the top of the box body; a crushing box is fixedly arranged at the bottom of the feeding opening; a first motor is fixedly arranged on the front face of the crushing box; a crushing roller is fixedly arranged on an output shaft of the first motor; a discharging pipe is fixedly arranged at the bottom of the crushing box; a jigger is movably arranged at the bottom of the discharging pipe; and a discharging opening is fixedly formed in one side of the jigger. A combustion chamber is fixedly arranged in the box body. By arranging the jigger, scrap copper particles can be subjected to flotation treatment, refining is facilitated, the overall structure is small in occupied area due to the position arrangement of the jigger, batch production refining is facilitated, noise generated during working of the jigger can be reduced through buffer supporting feet, and a good working environment is created.

The invention relates to an L-shaped outer spherical surface aligning bearing seat with a safety protection cover. The bearing seat comprises a seat body and a safety protection cover, wherein the seat body is provided with a bearing installation port, the safety protection cover comprises a cup-shaped mesh shade and a fixed bracket, a serriform ratchet is welded on the outer wall of the cup-shaped mesh shade, symmetrical steps are formed on the back surface of the serriform ratchet, and the serriform ratchet and the outer wall of the cup-shaped mesh shade are welded into a whole to form two symmetrical straight grooves; and the fixed bracket is formed by a fixed part and a connection part which are installed to form a right angle manner, the connection part is provided with a C-shaped groove, two arms of the C-shaped groove are respectively buckled in the straight grooves, and the fixed part is provided with an elongated groove. The bearing seat provided by the invention is subjected to safety protection, so as to improve the protection measures on the safety production.

The invention discloses an emission reduction device for unorganized emission at the tail of a sintering machine, and belongs to the technical field of sintering and pelletizing environmental governance in the iron and steel industry. The emission reduction device comprises a tail star wheel moving frame, a sintering machine framework, a trolley, a tail star wheel, an air curtain machine, dust falling communicating pipes, chutes, an electric control valve and the like. The trolley is placed on the sintering machine framework, and the tail star wheel moving frame is installed on the sintering machine framework. The tail star wheel is installed in the tail star wheel moving frame, a material guide box is installed between the tail star wheel and a single-tooth-roller crusher, and the dust falling communicating pipes are installed at the two sides of the chute at the front end; flue gas generated in the falling and crushing process of sintered cakes is collected by a top dust collection cover and enters a tail dust remover; and small-particle materials scattered at the lower part of the tail star wheel are sealed by the air curtain machine, are collected by the dust falling communicating pipes of the chute at the rear end and then are merged into a tail dust removal system. The emission reduction device has the advantage that the unorganized emission of the dust-containing flue gas at the tail of the sintering machine is reduced to the maximum extent.

The invention discloses an open type pH value online measurement and automatic cleaning device, and belongs to the field of petrochemical engineering. The device comprises a sampling cavity and a wastewater cavity, a pH meter is arranged in the sampling cavity, and a cleaning device is arranged at the bottom of the sampling cavity and can clean the pH meter. The sampling cavity is connected with aproduction process water pipeline through a sampling pipe, an openable plugging device is arranged at a liquid outlet of the sampling cavity, and the sampling cavity is connected with the waste watercavity. A waste water outlet is formed at the bottom of the waste water cavity, and the sampling cavity and the waste water cavity are both open. According to the present invention, a series of functions of automatically sampling by using an open cup, measuring the pH value on line in real time under the 0normal pressure, automatically discharging wastewater and automatically cleaning and maintaining a pH electrode are realized, and the problems that in the pH value online monitoring process, a pH electrode is inaccurate in measurement in a pressure pipeline, and the bottle diameter is proneto being polluted and damaged, are solved.

The invention relates to a YXY-type vacuum supercharging jetting and vacuum evaporation refrigerating ditype device, which consists of an evaporating tank, a storage tank, a compression unit, a vacuum vaporization refrigerating pipe, a supercharging liquefying heat discharging pipe, a vacuum meter, a pressure meter, a jetting device, a retaining valve and a liquid discharging valve, which are serially connected with one another, and the YXY-type vacuum supercharging jetting and vacuum evaporation refrigerating ditype device is characterized in that: the evaporation tank is higher than the storage tank. The YXY-type vacuum supercharging jetting and vacuum evaporation refrigerating ditype device has beneficial effects that: a novel technical way can be created, and a novel way for widely utilizing Carnot Cycle theory is provided, so the Carnot Cycle theory can be perfectly played and adequately utilized. The high vacuum self-sucking vapor and liquid mixed jetting pump compression unit is utilized to realize the vacuum and supercharging jetting refrigeration and the evaporation refrigeration technical means. Only 1.6 to 2MPa of the refrigerant is required, the flow rate of the vapor reaches 4L / s, and the flow rate of the liquid is only 200g / s, so the refrigerating capacity of present 2000W compression unit can be realized by configuring a motor with the power of 1200W. Three embodiments are provided according to the attached graph.