258results about How to "Discharge in time" patented technology

The utility model discloses a regulating valve and cooking utensil, the regulating valve includes valve body and valve seat, the valve seat is equipped with the air inlet hole, at least part of valve body is located in the valve seat, the valve body is equipped with the first air outlet hole and the second air outlet hole of interval arrangement, the regulating valve still includes the supplementary airflow channel, the first air outlet hole is linked together with the air inlet hole, and the second air outlet hole is linked together with the air inlet hole through the supplementary airflow channel. The regulating valve of utility model embodiment is good in spill-proof effect, and high in safety.

The application discloses a dry-type transformer with high-temperature protection function, which comprises a base assembly and a regulation mechanism, a shell component is arranged on the top side of the base assembly through bolt assembly, an opening and closing assembly is arranged on one side of the shell component through plug-in connection, and a power transformation mechanism is arranged on the inner top side of the shell component through adhesion. The device is mainly characterized in that the regulation mechanism is arranged in the shell component, the temperature of the working state of the device is sensed by a temperature sensor of the device, a signal is transmitted to the regulation mechanism, power is output by an internal motor to drive the meshing transmission gear set, the screw rod set is driven to operate, the size of the opening is adjusted by changing the position of the adjusting plate and the sleeve cabin, under the action of the heat dissipation fan of the heat dissipation component, the high-temperature air in the device can be discharged from the device in time, so that the effect of slow cooling is achieved, and the irreversible damage of the power transformation mechanism caused by the too fast cooling range is avoided.

This invention relates to a composite polishing structure design and polishing method for wafer-level polishing processes. The composite polishing structure design includes a disk body with a positioning groove at the center of its upper end. An upper Tesla groove, a lower Tesla groove, and an annular channel are arranged on the disk body around the positioning groove. The upper and lower Tesla grooves are arranged in a circumferentially spaced array and extend radially. The upper and lower Tesla grooves are arranged vertically and circumferentially adjacent. The inner ends of both the upper and lower Tesla grooves penetrate the positioning groove, and their outer ends penetrate the outer circumferential surface of the disk body. The annular channel is arranged in a radially spaced ring around the disk body and penetrates both the upper and lower Tesla grooves. This invention forms an integrated fluid guidance and waste chip discharge channel through the double-layer Tesla grooves, improving the utilization efficiency and chip removal capacity of the polishing fluid.

The utility model relates to the field of lithium battery management discloses a kind of lithium battery management devices of self-adapting overload protection, including protection shell, and the protection shell top is provided with overload trigger component;The overload trigger component includes base one, and the base one bottom is fixedly connected at the top end of protection shell, and the base one top is fixedly connected with base two, and the base two top is fixedly connected with fixed column, and the base two top is fixedly connected with bimetallic strip, and the base one top is provided with static contact plate, and the static contact plate top is fixedly connected with clamping block.In the utility model, bimetallic strip is moved by heat deformation to drive trigger top rod, so that moving contact and static contact point are separated, and circuit on-off control is realized by reset spring cooperation, so as to carry out overload protection to lithium battery circuit, reach the effect of self-adapting overload protection, improve the security of lithium battery use, solve the problem that traditional fixed threshold protection is prone to false triggering or hysteresis protection.

This utility model discloses a novel anti-fouling and anti-water-accumulation brake disc, including a brake disc body and an anti-fouling and anti-water-accumulation component. The brake disc body includes a disc plate, a disc hub, and heat dissipation holes. The disc hub is fixed on the disc plate and securely mounted on the wheel axle with bolts. Several heat dissipation holes are provided on the disc plate. The anti-fouling and anti-water-accumulation component is arranged on the disc plate. The anti-fouling and anti-water-accumulation component includes anti-fouling and anti-water-accumulation grooves and guide grooves. Several anti-fouling and anti-water-accumulation grooves are symmetrically arranged in a ring array on both sides of the disc plate. Guide grooves are symmetrically arranged on both sides of the anti-fouling and anti-water-accumulation grooves. The anti-fouling and anti-water-accumulation grooves have an arc-shaped inclined structure. The inclined direction of the anti-fouling and anti-water-accumulation grooves is opposite to the forward rotation direction of the disc plate. This novel anti-fouling and anti-water-accumulation brake disc has a simple and reasonable structure and ingenious design. Through the centrifugal force generated by the rotation of the disc plate, the dirt and water adhering to the surface of the disc plate can be discharged along the anti-fouling and anti-water-accumulation grooves, ensuring the friction coefficient between the brake pads and the brake disc body and the braking efficiency, and has a good anti-fouling and anti-water-accumulation effect.

The utility model discloses a far infrared heat preservation knitted fabric which is of a double-face structure, the inner layer of the far infrared heat preservation knitted fabric is a heat preservation face, and the inner layer is made of combed cotton yarn. The outer layer is a breathable surface and is made of polyester; the inner layer and the outer layer are connected through polyester; the minimum cycle knitting structure of the knitted fabric is a fourteen-way pattern. According to the far infrared heat preservation knitted fabric, the combed cotton yarn and the polyester are matched with a special woven structure, so that the fabric has good heat preservation performance and air permeability, moisture generated by a body can be discharged in time, the moisture on the body surface is prevented from being accumulated between the fabric and the skin, and therefore the situation that the wearing experience of a user is reduced is avoided; moreover, the problem that the user catches a cold due to the fact that the heat conduction speed of the user is too fast due to moisture accumulation is prevented, and the heat preservation effect is reduced. The far infrared heat preservation knitted fabric combines heat preservation and moderate air permeability, the physiological needs of the human body are considered while heat comfort is maintained, and the wearing comfort is improved.

The utility model relates to a breeding device, and belongs to the technical field of aquaculture. The breeding device comprises a pond body, a sewage collection channel is arranged at the bottom of the pond body and located in the middle of the pond body, a sewage discharge pipe is arranged at the bottom of the pond body and communicates with the sewage collection channel, and an aeration device is arranged above the sewage collection channel; the aeration device is used for injecting air to form bubble holes in the water body, and under the action of the bubble holes, excrement in the pool body is adsorbed to move towards the middle of the pool body to enter the dirt collecting channel. The device has the effect of timely discharging excrement in the pond body.

The application relates to the technical field of heat pumps, in particular to a fluorine cooling and water cooling coupled heat dissipation driving plate system, which comprises a compressor, a first heat exchanger, a second heat exchanger, a first electronic expansion valve and a driving plate radiator, one end of the compressor is communicated with one end of the first heat exchanger, the other end of the compressor is communicated with one end of the second heat exchanger, the other end of the first heat exchanger is communicated with the other end of the second heat exchanger, the first electronic expansion valve is connected in series in a passage communicated between the first heat exchanger and the second heat exchanger, and a water inlet pipe of the first heat exchanger, the driving plate radiator and a water outlet pipe of the first heat exchanger are communicated in sequence. The fluorine cooling and water cooling coupled heat dissipation driving plate system can overcome the low heat exchange efficiency of the existing fluorine cooling heat pump unit, can improve the heat exchange efficiency under the condition that the ambient temperature is relatively low, can reduce the waste of resources, and can improve the energy-saving economy of the system.

The invention relates to black aluminum oxide ceramic with adjustable resistivity and a preparation method thereof. The preparation method of the black aluminum oxide ceramic with the adjustable resistivity comprises the following steps: (1) mixing MnO2 powder, Fe2O3 powder, NiO powder, CoO powder and Cr2O3 powder, and calcining to obtain a black pigment; and (2) mixing Al2O3 powder with the black pigment and the resistivity regulator to obtain black aluminum oxide raw material powder, and then carrying out molding, glue discharging and sintering to obtain the black aluminum oxide ceramic with the adjustable resistivity.

The utility model discloses a kind of cooling devices for casting production of high efficiency energy saving, it is related to casting production technical field, including base and support frame, the support frame is set on the base, further include cooling mechanism, set on the support frame;Heat dissipation mechanism, set on the support frame, the heat dissipation mechanism includes: mounting, have two, and two mounting are set in the support frame;Mounting bracket, mounting bracket is set in the mounting;Driving motor, set in the mounting bracket;Fan blade, the driving motor output end;Fixed plate, set on the mounting piece.This device is discharged in time to the heat generated inside this device by setting heat dissipation mechanism, accelerates the cooling work of this device, can also collect water vapor in time, can also prevent water vapor from leaving the interior of this device in large quantities, ensure the use of water source.

The utility model discloses a tubular electric tar precipitator relates to industrial waste gas treatment equipment technical field, it includes casing, inlet pipe, sedimentation pipe subassembly, corona pole, sedimentation pipe subassembly contains a plurality of sedimentation pipes, still includes upper head, lower head, airflow equalizer, tar collection tank, drain pipe, heating jacket and sealing door, and the gas that waits for processing enters casing through inlet pipe, is evenly distributed to each sedimentation pipe by airflow equalizer, under the electric field effect that corona pole generates, and tar is adsorbed in the inner wall of sedimentation pipe, and then is collected to tar collection tank, and heating jacket prevents tar solidification, and is discharged through drain pipe, the utility model discloses has improved tar trapping efficiency and equipment stability, and the practicality is strong, is suitable for industry popularization.

The utility model relates to a stepped parapet wall with a buffering green plant planting structure, and relates to the field of parapet walls. The roof comprises a roof plate and a parapet wall arranged on the upper end face of the roof plate, a waterproof layer is laid on the upper end face of the roof plate, a step buffering table is arranged between the waterproof layer and the parapet wall, a triangular net rack is installed on the outer side face of the step buffering table, and the bottom face of the triangular net rack is attached to the waterproof layer. And the vertical edge of the triangular net rack is attached and fixed to the step buffer table. According to the roof structure, the step buffer table is arranged between the traditional roof plate and the parapet wall, the impact of rainwater is reduced through the step buffer table, through the synergistic effect of all the components, the good buffer performance is achieved, the waterproof layer can be effectively protected, and damage of rainwater to the roof structure is reduced. And meanwhile, a water source on the roof can be better discharged and utilized through the stepped buffer table.

This invention discloses an integrated low-temperature pulverization and anti-oxidation processing and flaking device for multiple ingredients, belonging to the field of pulverization devices. The device includes a pulverizing cylinder, inside which an inner cylinder and a sieve cylinder are coaxially connected from top to bottom. The inner cylinder and sieve cylinder are coaxially arranged and have the same inner diameter. A circular plate is coaxially slidably connected in the middle of the pulverizing cylinder, sliding inside the inner cylinder and sieve cylinder, with its sidewall in contact with the inner walls of the inner cylinder and sieve cylinder. A motor is installed at the top of the pulverizing cylinder, and a hollow rod is connected to the output end of the motor. The bottom end of the hollow rod is fixedly connected to the circular plate, and multiple pulverizing blades are fixedly connected to its sidewall. A protrusion is provided on the upper surface of the circular plate. The hollow rod rotates synchronously with the circular plate and moves axially back and forth, thereby pulverizing the ingredients and throwing them through the sieve cylinder into the space between the sieve cylinder and the pulverizing cylinder, thus reducing the load on the motor. This device can promptly discharge the refined material, preventing the material from becoming too fine and circulating, while also reducing the load on the motor.

The utility model provides a kind of fruit packing environment-friendly paper box, including box body and box cover, the box body includes bottom plate, the top of the bottom plate is fixedly connected with energy-absorbing cylinder, the energy-absorbing cylinder is hollow structure, the inboard of energy-absorbing cylinder is equipped with multiple elastic supports, the top of the elastic support is equipped with the containing groove for placing fruit, the sidewall of the elastic support is equipped with the air passage that is connected with the inside of the containing groove and is penetrated, the sidewall of the energy-absorbing cylinder is equipped with the air hole that is mutually matched with the air passage symmetrically.The utility model is through being equipped with energy-absorbing cylinder and elastic support, and the energy-absorbing cylinder of hollow structure can absorb external impact force by self deformation, and elastic support can further disperse impact force by elastic deformation, so as to avoid that fruit is directly squeezed and collided, greatly improves the buffering protection performance of box body, and each fruit is placed in independent containing groove, and also can avoid mutual collision between fruits due to transportation shaking.

The utility model discloses a kind of secondary zinc oxide settling chamber dust circulating devices, comprising: settling chamber;Dust cooling pond, the dust cooling pond one side is equipped with closed air auger conveyor, the discharge outlet of the bottom of settling chamber is communicated with dust cooling pond by closed air auger conveyor;Secondary zinc oxide raw material bin, bag-type dust collector is equipped on the secondary zinc oxide raw material bin, the air inlet end of bag-type dust collector is connected with conveying pipeline, the feeding end of the conveying pipeline is located at the bottom of dust cooling pond;Cooling temperature measuring assembly, the cooling temperature measuring assembly is used to carry out cooling temperature measurement to remote, the cooling temperature measuring assembly is equipped on dust cooling pond.The beneficial effects of the utility model are that cooling temperature measuring assembly is used to cool dust, dust can be fully contacted with cooling temperature measuring assembly, can discharge the heat of dust in time, reduce cooling time, improve cooling efficiency, can measure the temperature of dust of different depth, improve measurement precision.

The utility model discloses a fabric rinsing machine, which belongs to the field of rinsing machines and comprises a shell, a conical barrel is arranged in the shell, a plurality of circumferentially distributed partition plates are fixedly connected in the conical barrel, and the partition plates divide the conical barrel into a plurality of independent spaces; a rotating shaft is fixedly connected to the center of the bottom of the conical barrel, the rotating shaft is fixedly connected with the partition plate, a sleeve is connected to the rotating shaft through a key, a plurality of inclined plates are fixedly connected to the outer wall of the sleeve and located in independent spaces divided by the partition plate, and a plurality of water permeable grooves are formed in the bottom of the conical barrel; the sleeve penetrates through the conical barrel in a sliding mode and extends out of the conical barrel, and the end, located outside the conical barrel, of the sleeve is fixedly connected with a connecting disc; through cooperative use of the devices, the fabric and sewage can be separated in the rinsing process, and impurities in the sewage are prevented from being attached to the fabric again.

The utility model discloses an improved splash guard for a glass water jet cutter. The improved splash guard comprises a cutter body, a splash guard body and glass. Wherein the splash-proof cover comprises an inner cover, an outer cover, a rotating shaft, a brush roller, a protective cover, a motor, a gas inlet, a guide plate and a gas distributor. A double-layer structure of the inner cover and the outer cover is arranged, chippings and waste water in the inner cover are cleaned through the brush roller, the chippings and the waste water flowing out of the inner cover are blown out of the splash-proof cover through cooperation of high-pressure gas and a flow guide plate, and the chippings and the waste water on the surface of glass continue to be blown away so that the glass can be cut conveniently. The problem that glass cutting is affected due to the fact that chippings and waste water are easily concentrated in the splash-proof cover is solved, the chippings and the waste water in the splash-proof cover are discharged in time, and meanwhile the chippings and the waste water on the surface of the glass are conveniently cleaned.

The utility model relates to the technical field of crystal hot-fix rhinestone processing equipment, in particular to efficient processing and drying equipment for crystal hot-fix rhinestones. According to the technical scheme, the drying device comprises a box body assembly, a conveying assembly is arranged in a drying box, a heating assembly is arranged on the drying box and located above a conveying belt, a ventilation assembly is arranged on the drying box and located on one side of a heating cover, and a temperature sensor and a humidity sensor are arranged on the inner wall of the drying box; and a control panel is arranged on one side of the drying box. According to the crystal hot-fix rhinestone drying device, crystal hot-fix rhinestones can continuously move in the drying box through the arrangement of the conveying assembly, the contact area between the crystal hot-fix rhinestones and hot air is increased, the contact time between the crystal hot-fix rhinestones and the hot air is prolonged, and therefore drying efficiency is improved; according to the crystal hot-fix rhinestone drying box, hot air with the uniform temperature can be provided for the drying box and humid air can be discharged in time through mutual cooperation of the heating assembly and the ventilation assembly, so that the uniformity of the temperature and the humidity in the drying box body is ensured, crystal hot-fix rhinestone drying is more uniform, and the product quality is improved.

This application provides a flame retardant performance testing device and method for materials with adjustable clamping components, relating to the field of flame retardant testing equipment. The testing device includes a base, a combustion chamber, a gas supply unit, and a clamping assembly. The base includes a base plate and a base sidewall. A receiving ring is provided on the inner wall of the base sidewall. The combustion chamber includes a cylinder body with an inlet and an outlet at its two ends, respectively, and the inlet abuts against the receiving ring. The gas supply unit includes a gas distribution plate and a gas source. The gas distribution plate is located between the receiving ring and the base plate and is connected to the gas source to supply gas into the combustion chamber. The clamping assembly can extend into the combustion chamber and includes multiple clamping units symmetrically arranged around the central axis of the combustion chamber. The multiple clamping units can move closer or further apart to clamp the test piece when they are close together, and the clamping units can drive the test piece to move up and down relative to the clamping units. This application has the advantages of high test result accuracy and the elimination of the need for frequent clamp cleaning.

This utility model belongs to the field of sludge filtration technology and discloses a dynamic sludge filtration device, including a housing. A filtration unit and a discharge unit are connected to the outside of the housing via a rotating motor and a discharge motor, respectively. The filtration unit and discharge unit are located inside the housing. A water pumping unit is located at the top of the housing and connected to the water pumping unit via a filtration water pumping pipe. The discharge unit is located at the bottom of the filtration unit and the water pumping unit. This utility model can increase the sludge contact area and filtration area, allowing liquid to penetrate into the filter housing more quickly. Combined with the rotating water pumping component, the liquid is promptly extracted, improving the speed and efficiency of sludge dewatering and shortening the processing cycle. The rotating motor drives a rotating rod, which in turn causes the filter housing to rotate within the sludge. Dewatering is achieved using the principle of free liquid permeation. Compared to traditional methods that rely on strong external force for dewatering, this effectively reduces the moisture content of the filter cake and significantly reduces energy consumption.

The utility model relates to the related technical field of aluminum alloy windows, in particular to a safe sealing type aluminum alloy window which comprises a window frame, a window sash body, a lock body, a hollow glass body, an elastic element, a multi-layer sealing component, a water baffle and a drainage component. According to the safe sealing type aluminum alloy window, the window sash body is locked or opened through the lock body, the air tightness and the waterproofness of the window in the closed state are guaranteed through the elastic element and the multiple layers of sealing components, the water baffle and the drainage component further prevent rainwater from invading, and accumulated water is drained in time; therefore, the overall usability and the service life of the window are improved.

The invention relates to the technical field of lithium batteries, and discloses a fully-sealed lithium battery structure which comprises a cover plate, a battery cell and a shell, the battery cell is arranged in the shell, the cover plate is connected to the upper end of the shell, an insulating spacer is arranged between the lower end of the battery cell and the shell, a cylindrical hole is formed in the center of the battery cell, a first tab is connected to the inner wall of the battery cell, and a second tab is connected to the outer wall of the battery cell. The bottom of the shell is provided with an anti-explosion nick, the lower end of the shell is connected with a PTC short-circuit protection device, the lower end of the PTC short-circuit protection device is connected with a false cover, the edge of the cover plate and the upper end of the shell are provided with Z-shaped openings, the two Z-shaped openings are matched with each other, and the joint of the cover plate and the shell is sealed through laser welding. By adopting a cooperative structure of the cylindrical hole in the center of the battery cell, the insulating spacer with the annular bulge and the explosion-proof nick at the bottom of the shell, a smooth gas leakage channel is formed, high-pressure gas is ensured to be discharged in time, and the potential safety hazard that the gas leakage channel of the traditional lithium battery is easy to block and easily causes explosion is solved.

The utility model discloses deslagging and filtering equipment for kitchen waste sewage treatment. The deslagging and filtering equipment comprises a main body accommodating shell with an upward opening and a deslagging and filtering mechanism arranged in the main body accommodating shell, the deslagging and filtering mechanism comprises a deslagging and filtering supporting shell arranged in the main body containing shell, and the deslagging and filtering supporting shell is a conical shell with a downward opening. A plurality of vertically-through filter plate fixing through holes are formed in the deslagging filter supporting shell, and deslagging filter plates are fixedly arranged in the filter plate fixing through holes; a supporting end cover with a downward opening is fixedly arranged at the top of the main body accommodating shell; waste residues in kitchen sewage are cleaned and filtered out in a circulating lifting mode, the waste residues are pushed into a residue removing and discharging annular shell through a plurality of spiral stirring blades to be discharged, the waste residues on the upper side of a residue removing and filtering supporting shell are discharged in time, and it is avoided that the waste residues block all residue removing and filtering plates.

The utility model discloses a kind of corrosion-resistant stainless steel forgings, including stainless steel forging body, the tray of being placed in the lower end of stainless steel forging body, the protective shell of being placed in the upper end of tray, the first groove of being opened in the upper end of protective shell, the outer protection cylinder of being fixedly connected in the bottom surface of the inner wall of first groove, multiple limit cylinders being fixedly connected in the bottom surface of the inner wall of first groove, multiple limit posts being fixedly connected in the upper end of tray, rubber cylinder and multiple through holes being opened in the lower end of protective shell and being placed in the inner wall of outer protection cylinder, the upper end of stainless steel forging body is provided with the protection mechanism for protecting stainless steel forging body, handle is fixedly connected in the upper end of protection mechanism;The upper end of stainless steel forging body is opened with cylindrical groove, rubber cylinder inner wall and stainless steel forging body side wall are attached;Limit post upper end passes through through hole and extends to the inner wall of limit cylinder. The utility model has the advantages of good moisture-proof effect, anti-collision and protection mechanism can be quickly disassembled.

The invention discloses a portable intelligent robot, belongs to the technical field of intelligent robots, and aims to solve the problems that when an intelligent accompanying voice robot is used, the temperature of an internal soft package battery is extremely easy to rise abnormally, and safety isolation and risk management and control are difficult to realize quickly after the temperature of the battery is high. The intelligent accompanying robot solves the problems that a battery cannot be isolated from core elements in the robot in time, key components such as a voice module and a main control board are prevented from being damaged due to liquid leakage and swelling of the high-temperature battery, and potential safety hazards are further caused due to the fact that heat diffusion is difficult to prevent and causes faults of the whole robot. According to the intelligent accompanying robot, when the temperature of the soft package battery reaches a preset threshold value, safe bin unlocking and sliding-out, soft package battery bin returning and limiting, sealing isolation and power failure alarm can be synchronously completed, physical isolation of the battery and a core component is rapidly achieved, heat and leakage diffusion is blocked, risks are avoided from the source, and the safety of the battery is improved. And the multi-scene use safety of the robot is improved.

The invention relates to the related technical field of sewage treatment, in particular to mouthwash production sewage treatment equipment which comprises a treatment pond, the treatment pond is divided into a coagulation zone, a flocculation zone and an air flotation zone, the treatment pond is provided with a mixing and shaking assembly in the coagulation zone, and the mixing and shaking assembly stirs and mixes sewage and a coagulant to form a mixed solution; the mixing and shaking assembly comprises a shaking barrel, the shaking barrel performs conical circumferential swinging in the coagulation area, the treatment tank is provided with a shaking and feeding assembly in the flocculation area, and the shaking and feeding assembly is used for uniformly sprinkling a flocculating agent into the coagulated sewage. Through conical swinging mixing of the coagulation area, reciprocating material sprinkling and staggered stirring of the flocculation area, fan-shaped stirring and gathering scraping of the air flotation area and continuous reciprocating motion of a stirring separation assembly, it is ensured that scum is removed in time, and the situation that the air flotation effect is affected due to the fact that a scum layer is too thick is avoided; the whole structure is compact, transmission is efficient, and the treatment efficiency of mouthwash production sewage and the stability of effluent quality are remarkably improved.

This invention relates to the field of wall panel technology, and in particular to a lightweight, prefabricated fiber optic wall panel, comprising a frame, and further comprising: a panel, the frame providing overall support for the panel; a waterproof layer for isolating the frame and panel from external water; multiple trapezoidal ribs, each also having a waterproof layer on its exterior, the multiple trapezoidal ribs being arranged alternately and in a staggered manner; and a dehumidification component for connecting the panel and frame for internal dehumidification when air humidity is low, and for separating the connection when air humidity is high to prevent reverse dehumidification. This device, through the dehumidification component, can promptly expel small amounts of incoming moisture, thereby helping to prevent damage to the wall panel caused by prolonged water accumulation. Furthermore, timely moisture expulsion helps reduce the formation of large water absorption-drying cycles in the wall panel, thus reducing damage and mitigating adverse effects on the wall panel's lifespan.

The utility model discloses a continuous liquid supplement rectification vacuum unit, which comprises a liquid supplement assembly and a liquid discharge assembly, the liquid supplement assembly and the liquid discharge assembly are respectively communicated with a liquid separation tank, the liquid separation tank is arranged at the outlet end of the vacuum unit, and a detection assembly is arranged in the liquid separation tank. The detection assembly is in signal connection with the liquid supplementing assembly and the liquid discharging assembly so as to control liquid supplementing and liquid discharging of the liquid separation tank to ensure that light components in the liquid separation tank are discharged in time; the liquid supplementing assembly and the liquid discharging assembly are arranged on the liquid separation tank at the outlet of an original vacuum unit, original low-liquid-level liquid supplementing is changed into continuous liquid supplementing and continuous liquid discharging, the situation that light components in the liquid separation tank are gathered and gasified, consequently, the vacuum pump is large in operation sound and vibration is avoided, it is guaranteed that the gathered light components can be discharged in time, and the service life of the vacuum unit is prolonged. And long-period stable operation of the vacuum unit is guaranteed, and the device is suitable for various severe working conditions.

The invention discloses an oil-immersed transformer convenient to replace insulating oil, and relates to the technical field of oil-immersed transformers, the oil-immersed transformer comprises a transformer main body, cooling fins are arranged on the peripheral surface of the transformer main body, an oil conservator is fixedly connected to one side of the upper surface of the transformer main body, and an air bag is arranged in the oil conservator; the end, extending out of the conservator through the second guide pipe, of the air bag communicates with a respirator. When water absorption particles in one drying cavity absorb water to be saturated or agglomerate and the like, the water absorption box rotates in the connecting shell, the next drying cavity communicates with the second guide pipe, the second connecting pipe, the air bag and the external environment, the working time of the respirator can be prolonged through the arrangement of the multiple drying cavities, and the service life of the respirator is prolonged. And when air holes of one drying cavity are blocked, the next standby drying cavity still exists, and it is guaranteed that adjustment of the height of the oil level in the oil tank is not affected.

The utility model discloses a combined type rear fender structure which comprises a rear wheel fender assembly, two bottom fork protective plates, a vehicle body fender and a vehicle frame connecting plate, the vehicle frame connecting plate surrounds the left side and the right side of a rear wheel, and the vehicle body fender and the rear wheel fender assembly cover the front end and the rear end of the rear wheel respectively. The lower ends of the vehicle body mud plate and the rear wheel mud plate assembly are detachably fixed on the vehicle frame connecting plate, the bottom fork protecting plate covers the outer surfaces of the lower ends of the vehicle body mud plate and the rear wheel mud plate assembly, the inner wall of the bottom fork protecting plate is connected with the vehicle frame connecting plate, and the rear wheel mud plate assembly is of a double-layer structure. The design of fully wrapping the rear wheel is achieved through the vehicle body mud plate, the rear wheel mud plate and the bottom fork protection plate, the overall attractiveness and waterproof performance are improved, and the durability and reliability of the whole vehicle are improved; the rear wheel fender assembly is designed to be of a double-layer structure, the strength and the impact resistance of the rear wheel fender assembly are improved, and a rear assembly of the electric vehicle can be better protected.