436results about How to "Play the role of diversion" patented technology

The invention relates to a power supply module and a vehicle. The power supply module comprises a battery pack and a box body; the box body has a cavity for fixing the battery pack; the battery pack comprises two or more overlaid framework units; a fixed plate for enabling the framework units to be in tight contact is arranged on the tab side of the battery pack; the fixed plate and the battery pack form an assembly part; and the assembly part is fixed in the box cavity which is matched therewith. The fixing structure of the power supply module can directly realize positioning and fixing through the fixed plate of the battery pack, and next, the well-fixed assembly part is put into a sealed box, so that the firm fixation of the power supply module is ensured while relatively high energy density and relatively high energy conversion ratio are achieved.

The invention relates to an intelligent planting box. The intelligent planting box comprises a soil layer, a straw layer and a control layer, wherein the straw layer is arranged under the soil layer; the soil layer is provided with at least one sensor and a water seepage tube which is mounted in the bottom of the soil layer; the control layer comprises a control module and an electric water pump; and the control module is connected with the sensor and the electric water pump separately, and the water seepage tube is connected with the electric water pump. The intelligent planting box provided by the invention can control the soil humidity in real time, can automatically realize water transportation when the humidity is insufficient, adopts a flow-splitting and irrigating mode from top to bottom to uniformly irrigate, comprehensively monitors factors that affect the crop growth in real time, is high in intelligent degree, and can be suitable for planting of indoor farms and homes.

The invention discloses a slurry mixing device for processing of inner lining cloth. The slurry mixing device comprises a mixing box, a shell is fixedly connected to the top of the mixing box, a motor is fixedly connected to the right side of the bottom of the inner cavity of the shell, the output end of the motor is sleeved with a driving wheel, a rotating shaft is arranged in the inner cavity of the shell in a penetrating manner, and the surface of the rotating shaft is sleeved with a driven wheel. By cooperation use of the mixing box, guide plates, a discharge pipe, supporting legs, a fixing rod, mixing frames, bearing blocks, fourth mixing racks, a shell, a feed pipe, second mixing racks, the rotating shaft, driven bevel gears, a rotating shaft, third mixing racks, first mixing racks, casters, the driving wheel, the motor, a belt, the driven wheel and a driving bevel gear, the problem that an existing slurry mixing device for processing of the inner lining cloth is poor in mixing effect is solved; the slurry mixing device has the advantages of good mixing effect and high practicability.

The invention discloses an efficient vertical roll milling machine capable of realizingwith multi-stage crushing. The efficient vertical roll milling machine comprises a box body, wherein the left side of the top of the box body is communicated with a feeding pipe; a first motor is fixedly connected onto the top of the box body; the bottom of the output end of the first motor penetrates to the inner cavity of the box body and is fixedly connected with a first rotating rod. The disc matched crushing form of the conventional vertical roll milling machine roller disc matched crushing form is omitted; through the matched use of the first motor, a crushing cutter blade, a fixed cutter blade, a first inclined plate, an electromagnetic valve, support legs, a second motor, a driving gear, a drivengear, a milling roller, a second inclined plate, a conveying case, a third motor, a conveying shaft, a material detection sensor and a processor, the automatic multi-stage crushing on the materials can be realized; the material crushing quality is ensured; the crushing efficiency is improved; in addition, the structure is compact; the technical flow process is simple and safe; the abrasion consumption is low; the production cost is effectively reduced.

The invention discloses a food and beverage inner circulation baffling impurity filtering device. The food and beverage inner circulation baffling impurity filtering device comprises a box body, wherein a filter net cylinder is arranged at the inner side of the box body; a middle through hole in the bottom part of the filter net cylinder is fixedly connected with an impurity discharge pipe; a plurality of stirring rods are arranged at the lower part of the inner side of the filter net cylinder; a plurality of baffling plates are arranged at the upper part of the inner side of the filter net cylinder; a guide slide sleeve at the top part of the box body is glidingly matched with a material charge pipe; a piston rod of a telescopic rod at the top part of the box body is fixedly connected with the material charge pipe through a connecting rod; a plurality of stirring blades are arranged on the material charge pipe at the inner side of the box body; the lower end of the material charge pipe is connected with a plug through a rotary body; a scraping plate is arranged on the impurity discharge pipe at the bottom part of the interior of the box body; a circulation pipe is arranged at theinner side of the box body; a circulation pump is arranged at the lower part of the circulation pipe. The food and beverage inner circulation baffling impurity filtering device has the advantages thatthe structure is novel, the beverage uniform mixing and impurity filtering effects are good, the stability in working is good, the efficiency is high, the impurity is conveniently discharged, the whole processing efficiency is improved, and the enterprise benefit is increased.

The invention discloses an information processing method and device wherein the method comprises: receiving an electronic red packet request; analyzing the electronic red packet request for the information on the attributes of the electronic red packet wherein the information of the electronic red packet includes at least a first time indicating the time when the electronic red packet is sent. according to the first time, determining whether it is possible to send an electronic red packet corresponding to the electronic red packet request in the first time and obtaining a determining result. and based on the determining result, sending the electronic red packet information corresponding to the electronic red packet request.

The invention discloses a two-stage catalytic oxidation wastewater treatment system and belongs to the field of wastewater treatment. The two-stage catalytic oxidation wastewater treatment system is connected with a pH adjustment tank, an oxidation reactor, a neutralization tank, and a flocculation-sedimentation tank by virtue of inlet water pipelines, wherein the oxidation reactor comprises a first-stage oxidation reactor and a second-stage oxidation reactor, the water inlet of the first-stage oxidation reactor is connected with the water inlet of the second-stage oxidation reactor by virtue of a pipeline, the first-stage oxidation reactor is a homogeneous oxidation reactor and the second-stage oxidation reactor is a fixed bed oxidation reactor. Compare with the traditional homogeneous reaction and fluidized bed technology, by the two-stage catalytic oxidation wastewater treatment system, the reaction efficiency is increased, the chemical agent addition amount is significantly reduced, the effluent water quality can be significantly improved, the concentration of organic matters in the effluent water is decreased and the two-stage catalytic oxidation wastewater treatment system is applicable to deep treatment of wastewater and has broad practical application prospects.

The invention discloses a dual-air-inlet centrifugal draught fan and an extractor hood, and relates to the technical field of extractor hoods. The aim of how to reduce the running noise of the dual-air-inlet centrifugal draught fan is achieved. The dual-air-inlet centrifugal draught fan comprises a volute and a dual-air-inlet impeller, the volute comprises a front cover plate, a rear cover plate and a volute surrounding plate, the front cover plate and the rear cover plate are provided with air inlets, an air outlet channel is connected to the volute surrounding plate, a volute tongue is arranged at the corner between the air outlet channel and the volute surrounding plate, the edge line of the volute tongue is the convex line protruding in the direction away from the root of the volute tongue, the edge line of the volute tongue comprises a first edge line segment and a second edge line segment which are sequentially connected from the front cover plate and the rear cover plate, from the front cover plate to the rear cover plate, the first edge line segment extends in the direction away from the tongue root, the second edge line segment extends in the direction close to the tongueroot, and the first edge line segment and the second edge line segment are convex lines protruding out of the volute tongue. The dual-air-inlet centrifugal draught fan is used for driving gas flowing

The invention discloses a combined guide vanes vortex tongue structure of a centrifugal fan. The centrifugal fan is a forward fan, the front of the vortex tongue are provided with a plurality of guide vanes to assist the vortex tongue, the distance from the guide vanes and the center of an impeller is growing gradually, the front guide vanes play the role of flow guiding and wind cutting, the amount of wind cutting of the back guide vanes is small. Although the clearance between the tongue vortex and the impeller is shrinking, the noise will not increase, the angle between the bottom linked line of each guide vane and an level surface is 10 to 15 degrees, while the angle between the vortex tongue and the level surface is greater than 90 degrees, the centrifugal fan can reduce the overall size, the best angle is 100 degrees to 110 degrees, at the same time, the guide vanes are curved, and one side of a forward vortex tongue is convex, and the guide vanes can rotate a certain angle. The combined guide vanes vortex tongue structure of the centrifugal fan of the invention can reduce the noise and the size of the fan, and, at the same time, make the fan exhaust more evenly.

The invention discloses a filter device for treating industrial sewage. The filter device for treating the industrial sewage comprises a tank body, an inner tank, a filter screen, a filter barrel, anarc-shaped cover plate and a first water delivering tube, wherein a water inlet tube is arranged on the left side of the tank body; a discharging end of the water inlet tube penetrates through the surface of the tank body; the surface of the left side of the inner tank is connected with the discharging end of the water inlet tube in a penetrating manner; the left end of the inner tank is fixedly connected with the inner wall of the tank body; the filter screen is connected with the outer wall of the inner tank through a limiting plate fixed internally; a mounting seat is mounted on the inner wall of the tank body; a baffle is mounted on the lower portion of the tank body in an embedded manner; sewage draining openings are separately formed in the lower surface of the tank body and the surface of the baffle; a water draining tube is mounted below the inner tank; the lower end of the water draining tube penetrates through the lower surface of the tank body; a fixing plate is arranged onthe surface of the right side of the tank body; and the arc-shaped cover plate separately penetrates through the surface of the inner tank and the surface of the tank body. According to the filter device for treating the industrial sewage, a resetting spring is compressed by the filter screen; and when the filter screen returns, scummings on the surface of the filter screen are scraped off by a scraper blade, meshes of the filter screen are prevented from being blocked, and the filter efficiency is improved.

The invention discloses high-strength and water-permeable concrete and a preparation method thereof and belongs to the technical field of concrete. The technical scheme is characterized in that the high-strength and water-permeable concrete is prepared from components in parts by weight as follows: cement, reinforced aggregate, water-permeable aggregate, reinforced fibers, a flexibilizer, a waterreducing agent and water, wherein the reinforced aggregate comprises crushed stone and high-strength ceramsite; the water-permeable aggregate comprises zeolite and shell particles; the reinforced fibers comprise carbon fibers and bamboo fibers. Strength of the concrete can be improved by the reinforced aggregate and the reinforced fibers; flexibility, strength and water permeability of the concrete can be improved by the flexibilizer; the bamboo fibers, the zeolite and the shell particles play a synergistic role, so that moisture is diverted and adsorbed rapidly and discharged from the surfaceof the concrete rapidly; the bamboo fibers and the shell particles have antibacterial performance, accordingly, bacteria bred in a hot and humid environment can be reduced, and durability of the concrete is improved.

The invention relates to a method for adjusting and controlling traffic, in particular to a method for intelligently adjusting and controlling traffic at crossings, which comprises the following stepsthat: a traffic sensor at each crossing transmits acquired traffic data to a processor; and the processor compares the transmitted traffic data, and controls a traffic signal of each crossing according to a comparison result. The method has the advantages of reducing the probability of traffic jams, timely informing drivers of road conditions ahead, and having traffic dividing function.

The variable-pressure exhaust duct mainly includes main duct, pressure-changing plate, guide pipe and flow-inducing non-return exhaust valve, the described guide pipe is made into the form of dustpan, its opening is upwards, and is placed in the main duct. The described flow-inducing nno-relurn exhaust valve is placed at inlet of main duct, and includes shell body and valve blade, said shell bodyis made into the tubular form, and fixed at inlet of main duct, the outlet end of said shell body is made into the oblique surface form, and the lower end of valve blade can be turnably is placed on the top end of shell body bottom portion, and on the external side surface of valve blade or on the internal side wall of guide pipe a spacing device capable of making opening angle beta of valve blade be less than 90 deg. is mounted.

The invention discloses an air-cooled module for heat transfer temperature uniformization of a fuel cell. The air-cooled module mainly consists of a fuel cell module, fins and a fan system; the fuel cell module comprises an end cap, a membrane electrode, an ultra-thin temperature uniformization plate, a plurality of membrane electrodes and a plurality of ultra-thin uniform temperature plates are alternately arranged, the two sides of each membrane electrode are respectively provided with an ultra-thin uniform temperature plate, and the ultra-thin uniform temperature plate comprises a shell, acavity, a liquid suction core and a working medium; The hollow cavity is arranged in the housing, the hollow cavity is at least protruded from one end of the housing, and the hollow cavity is providedwith a liquid suction core and a working medium; The upper surface or the lower surface of the shell is respectively provided with an air flow channel or a hydrogen flow channel; The overall thickness of the ultra-thin homogeneous temperature plate shall not exceed 3mm; A plurality of fins are installed on the condensing end of the ultra-thin uniform temperature plate. The evaporation end of theultra-thin uniform temperature plate of the invention can separate the reaction gas, collect and conduct the electric current; The heat flux concentrated on the surface of the bipolar plate is rapidlytransferred and diffused to the large area of the condensation surface, which has the effect of uniform temperature and heat dissipation.

The invention relates to a side wind feeding method of wind cold refrigerator and relative refrigerator, wherein said method sets the wind feeding open and the reflux wind open at the upper part and bottom part of the same side wall, to blow out the cold wind at the top of side wall to feedback via the reflux open; and the refrigerator comprises a force wind cycle refrigerating system, which is characterized in that: the wind feeding open and the reflux open are arranged at same wall, while the wind feeding open is at the top and the reflux open is at the bottom. The invention can form large reflux area in refrigerator, to improve the refrigerating effect of the food at the bottom, and release cold to the food. The refrigerator has high energy / efficiency ratio and small occupied space,

The invention discloses a liquid discharging partition plate for a clothes dryer and the clothes dryer. The liquid discharging partition plate is provided with a liquid guiding groove, an inlet of theliquid guiding groove and an outlet of the liquid guiding groove are located at the two ends of the liquid guiding groove in the length direction correspondingly, the liquid discharging partition plate is further provided with a flow dividing groove, the flow dividing groove is located in at least one side of the liquid guiding groove in the width direction, and the flow dividing groove communicates with the liquid guiding groove through a liquid passing opening. According to the liquid discharging partition plate, when negative pressure is generated in an air duct, flowed-back condensate atthe outlet of the liquid guiding groove can flow to the liquid guiding groove and the flow dividing groove correspondingly so that on one hand, the flow dividing effect can be achieved, hydraulic pressure is reduced, on the other hand, condensate flowing back paths are increased, and therefore the condensate can be prevented from flowing back into the air duct.

The invention relates to a steam distributor which comprises a steam channel entering from the bottom and diffused towards the periphery. A lower guide plate and an upper guide plate positioned above the lower guide plate enclose the steam channel, a dewatering channel connected with the lower guide plate and the upper guide plate is arranged in the steam channel, and the upper space of the upper guide plate is communicated with the peripheral space of the lower guide plate through the dewatering channel. Wet steam scouring prevention and guide functions are achieved, the dewatering channel collects condensed water formed by wet steam on the surface of the upper guide plate and drains the condensed water to the space between a lining plate on the periphery of the lower guide plate and a shell, so that the steam distributor can be directly fixed onto the shell, and great convenience is brought for mounting the steam distributor. The invention further relates to a moisture separator reheater. The steam distributor can be applied to steam distribution of the moisture separator reheater.

The invention discloses an expressway reconstruction and extension project construction period road surface drainage system. The road surface drainage system includes: torrent grooves which are formedin a side slope of an old road; drainage channels which are fixedly arranged in a bottom basic layer of a newly expanded road, wherein each drainage channel includes a water inlet end fixedly connected to a tail end of the corresponding torrent groove, and a water outlet end opposite to the water inlet, a plurality of drainage channels are arranged, and the plurality of drainage channels are arranged in parallel; communication pipes arranged between every two adjacent drainage channels and for communicating with every two adjacent drainage channels; a water collection tank which includes a cleaning device and a water storage box, and is used for collecting water on the road surface, cleaning the water, and reusing the water; and a temporary drainage groove having a cross section of a U-shaped structure, wherein the temporary drainage groove is arranged outside a roadbed of the newly constructed road, can lead water on the road surface of the old road and gathered water on a construction site to the water collection tank during construction, the drained water can be collected and reused, and smooth construction of a new road can be achieved.

The invention discloses a sealing structure of a joint of insulating blocks of a B type enclosure system. The sealing structure comprises a plurality of first insulating blocks fixed on the wall of acargo hold; a first gap filled with a first thermal-insulation buffer material is formed between the lower sides of every two adjacent first insulating blocks; and a second gap for arranging a first aluminum foil, a second insulating block, a second thermal-insulation buffer material, and a sealing elastic material is formed between the upper sides of every two adjacent first insulating blocks; the first aluminum foils are arranged on the first thermal-insulation buffer materials; the second insulating blocks are arranged on the first aluminum foils; the space between the second insulating blocks and the first insulating blocks is filled with second thermal-insulation buffer materials; the sealing elastic materials are arranged on the surfaces of the second insulating blocks; and second aluminum foils are arranged on the surfaces of the sealing elastic materials. Therefore, a problem of the sealing failure of the insulating block joint due to the thermal expansion and cold contractionat the independent cabin wall is solved effectively; and the extrusion between the insulating blocks is prevented and the sealing performance of the joint is not damaged.

The invention discloses a flow cell frame with a diversion structure, a galvanic pile and a processing method of the galvanic pile. The flow cell frame comprises a frame body (1), a frame inlet (2), a frame outlet (3), an inlet diversion channel (4) and an outlet diversion channel (5), wherein the frame inlet (2) and the inlet diversion channel (4) are arranged on the upper part of the frame body (1), the frame outlet (3) and the outlet diversion channel (5) are arranged on the lower part of the frame body (1), the middle part of the frame body (1) is provided with an active area (6), the active area (6) is respectively connected with the frame inlet (2) and the frame outlet (3) through the inlet diversion channel (4) and the outlet diversion channel (5), a diversion field (7) is arranged in the active area (6), and sealing lines (8) are arranged around the frame body (1). The invention can solve the problem of structural deformation in a cell and has the function of electrolyte diversion so as to uniformly distribute electrolyte and reduce the zinc dendrite generating probability, thereby improving the performance and the life of the cell. Additionally, the galvanic pile disclosed by the invention has the advantages of simplicity in installation and low failure rate.

The invention discloses an agricultural seed screening machine which comprises a shell. An inner tank is arranged inside the shell. A baffle is transversely and fixedly connected to the interior of the shell. Fixed frames are fixedly connected to the four corners of the bottom of the inner tank. The bottom of each fixed frame is movably connected with an idler wheel. The top of the baffle is provided with a groove cooperating with the idler wheels for use. The left side of the top of the inner wall of the shell is fixedly connected with a first motor. Through cooperative use of the inner tank, the baffle, the fixed frames, the idler wheels, the first motor, a screw rod, a screw block, a first fixing block, a support rod, a second fixing block, a first screen plate, a second screen plate, a second motor and a cam, the problems that an existing seed screening machine can only perform simplex vibration screening and is low in operation efficiency are solved. The agricultural seed screening machine has the advantage of high operation efficiency and can be used by a user conveniently, and the practicability of the seed screening machine is improved.

The invention discloses a textile cloth drying device, which comprises a casing, a cylinder is fixedly connected to a central axis at the top of the casing, and an output end of the cylinder penetrates into the interior of the casing and is fixedly connected to a movable plate, and the The two sides of the movable plate are respectively slidably connected with the two sides of the inner wall of the casing, and a connecting column is fixedly connected to the central axis of the bottom of the movable plate. The invention solves the problem of the existing drying device in the textile industry by arranging the shell, the cylinder, the movable plate, the connecting column, the pressing plate, the fixed plate, the net box, the heating base, the heating pipe, the heating wire and the water outlet pipe. When the fabric is dried, only the surface of the textile fabric can be dried, and the moisture contained in the textile fabric cannot be quickly removed. The water is quickly removed and the drying efficiency is high, which is convenient for users to use and improves the practicability of the drying device.

The invention relates to the technical field of replacement of filter cloth of filter press, relates to a sludge treatment filter press with a function of easily replacing filter cloth. The filter press comprises a supporting rack, a press plate is fixedly connected in the supporting rack, the upper portion of the pressure plate is movably connected with a roller, the two sides of the roller are movably connected with a rotary shaft, a flow guide plate is movably connected to the portion, on the lower potion of the press plate, in the supporting rack, the two sides of the flow guide plate aremovably connected with spring blades, and the side, away from the press plate, of the flow guide plate is movably connected with a rolling body. Due to the action of an oblique plate arranged on the bottom, the gravity center of the rolling body is changed, so that the rolling body rotates; due to rotation, the filter cloth can be separated from the surface of the roller, while the filter cloth ispulled, the surface of the filter cloth can be scratched by the spring blades, when the rolling body rolls to the side away from the flow guide plate, water and sludge in a hollow channel can be separated out due to the action of gravity, and therefore, the effects that the using condition of the filter cloth is precisely controlled and the filter cloth is automatically replaced are achieved.

The invention belongs to the technical field of lithium ion batteries and particularly relates to a flexibly-packaged lithium ion battery, which has high energy density and excellent power performance. The flexibly-packaged lithium ion battery comprises a cell, a package bag and electrolyte, wherein the package bag is used for holding the cell and the electrolyte is filled into the package bag. The cell consists of a positive plate, a negative plate and a membrane which are wound, two ends of the positive plate are provided with an inner positive tag and an outer positive tag respectively, and the inner positive tag and the outer positive tag are connected electrically through a tag adapter terminal after being wound. Compared with the prior art, the inner positive tag and the outer positive tag at two ends of the positive plate are packaged in parallel, internal resistance of the battery can be reduced more, flow distribution can be realized during large-current battery charging, the integral thickness and the body length of the lithium ion battery cannot be affected by parallel package of the inner positive tag and the outer positive tag, and accordingly, the energy density of the lithium ion battery can be guaranteed while power performance can be improved.

The invention discloses a treatment device for efficient solid waste treatment. The treatment device comprises a base, wherein a shell body is fixedly connected to the top of the base; a first motor is fixedly connected to at the central axis of the top of the shell body; the output end of the first motor penetrates into the shell body and is fixedly connected with a rotary shaft; stirring blades are fixedly connected to the two sides of the rotary shaft; and an inclined plate is transversally fixedly connected in the shell body, and located below the stirring blades. According to the treatment device disclosed by the invention, through the arrangement of the first motor, the rotary shaft, the stirring blades, the inclined plate, a filter plate, a movable plate, an electric telescopic rod, a support rod and a fixing block, the problem that an existing solid waste treatment device cannot treat a waste liquid in solid waste so that the solid waste treatment efficiency is reduced; and the treatment device for efficient solid waste treatment has the advantage of high efficiency, increases the solid waste treatment efficiency, saves lots of time for a user, facilitates use of the user, and improves the practicability of the solid waste treatment device.

The invention relates to a safe and reliable shock mitigation system for a new-energy automobile. The safe and reliable shock mitigation system comprises an outer pipe, an axis, a piston, a reset spring, a flow dividing mechanism and a dust removing mechanism; the flow dividing mechanism comprises a control component and a moving component; the control component comprises two rotating units; the moving component comprises a fixing rod, a moving block, a second spring, an oil outlet and a telescopic unit; and the dust removing mechanism comprises a driving chamber, a driving motor, a driving wheel, a connecting rod, a loop ring, a cylinder and a sweeping brush. According to the safe and reliable shock mitigation system for the new-energy automobile, the flow of hydraulic oil can be dividedby virtue of the flow dividing mechanism so that an oil hole can be prevented from being damaged by high pressure which cannot be borne by the oil hole, and the safety and the reliability of a hydraulic shock absorber are greatly improved; by virtue of the dust removing mechanism, dust and impurities are prevented from entering the hydraulic shock absorber along with the axis so that blocking of the oil hole is prevented, the service life of the hydraulic shock absorber is not affected, and the practicability and the reliability of the hydraulic shock absorber are improved.

The invention provides a floating-barrel type tidal current energy generating device which comprises a mooring system, a carrier and a water turbine / generator set. The floating-barrel type mooring system is used for mooring the carrier provided with the water turbine / generator set. The carrier is of a transversely-arranged door structure, wherein the door is shaped like a Chinese character 'ri'. The carrier comprises a streamline body, a personnel operating platform and a two-line water turbine / generator set support. The water turbine / generator set is used for converting motion energy of tidal currents into electrical energy and formed by connecting a water turbine, a generator and an accessory coaxial line in series. The water turbine / generator set is of a two-line contra-rotating type and is installed inside space of the carrier. The floating-barrel type tidal current energy generating device has the advantages that the floating-barrel type tidal current energy generating device does not need to be carried under a floating-type platform and on a pipe foundation or a tension leg, and therefore yawing force generated when the single-rotor water turbine operates is eliminated. Meanwhile, the generating device is simple in structure, low in production and manufacturing cost, convenient to install and maintain, economical, stable in generating performance, and suitable for being applied to a high sea state environment with rich tidal current energy.

The invention discloses a distribution cabinet. The distribution cabinet comprises a cabinet body, wherein the cabinet body is provided with at least two cabinet doors and the cabinet doors are respectively and movably connected with the cabinet body through a connection device to form a whole body. As the cabinet body is provided with at least two cabinet doors and the upper and lower two ends of the cabinet doors are respectively and movably connected with the cabinet body through and connection device to form and whole body, the corresponding cabinet door can be opened when the distribution cabinet is maintained and incorrect manipulations which are carried out by operators under the condition that the operators cannot watch are avoided, so that the convenience for maintaining the distribution cabinet is improved, the maintenance of the distribution cabinet is safer and the distribution cabinet is not damaged due to the incorrect manipulations.

The invention discloses a liquid ethane conveying pipeline pressure protection system and method. The system comprises forward pressure relief systems and reverse pressure relief systems which are arranged in parallel on trunk line pumps or valve bypasses. According to the system and the method, the pump or valve front pressure increment caused by action of the pumps or trunk line valves in a liquid ethane pipeline or the isolation section pressure increment caused by temperature rise is automatically released into adjacent upstream and downstream trunk lines by stimulating relief devices arranged on the pumps of the valve bypassed so as to prevent overpressure mediums from entering the atmosphere and limit the highest operating pressure of each pipe section. The system and the method havethe advantages that the water hammer overpressure problem under transient operation of a pipeline can be solved, the influence on the strength of the pipeline due to the volume change caused by influence of the temperature of the mediums after shutdown of the pipeline can be avoided, the overpressure mediums are not discharged from the system after being released, and therefore the investment ofaccessory facilities are reduced, and the safety, environmental protection and energy conservation effects can be achieved.