80results about How to "Affect normal operation" patented technology

This application discloses a cooling tower antifreeze device. The cooling tower is equipped with an antifreeze device, which includes a heat source, a cooler, and a heat sink. The inlet and outlet of the cooler are connected to the heat source and the heat sink, respectively. The heat source is used to transfer heat to the cooler. The cooler is installed in a circulating water tank and is used to cool the heat and transfer it to the heat sink. The heat sink is used to transfer heat to the cooling tower. A first heat sink structure is installed between the cooling fan and the spray device, a second heat sink structure is installed at the air inlet, and a third heat sink structure is installed in the packing area. This solution effectively prevents the cooling tower from operating normally due to component freezing in cold environments by distributing the heat sinks in different key areas of the cooling tower, thereby improving the reliability and service life of the cooling tower. At the same time, it provides antifreeze protection for the circulating water tank, cooling fan, spray device, packing area, and other parts.

This utility model discloses a valve ball grinding and positioning device with an anti-displacement structure, including a positioning frame. A back frame for mounting and fixing grinding tools is fixed on the back of the top of the positioning frame. Square columns are inserted into the top of both sides of the positioning frame. A reinforcing shaft is rotatably installed in each set of square columns. A fixing cone for inserting into the inner cavity of the valve ball is fixed at one end of the reinforcing shaft that is close to each other. An anti-displacement component is provided on the positioning frame to cooperate with the fixing cone and position the valve ball. By setting the anti-displacement component, this utility model can autonomously and multi-directionally position the valve ball on both sides and inside according to the size of the valve ball. At this time, the multi-directional and multi-means positioning method improves the positioning stability of the positioning device for the valve ball, effectively avoids the valve ball from easily shifting during the grinding process, and greatly improves the grinding effect of the grinding tool on the surface of the valve ball.

The utility model discloses a flow adjusting device for a water-saving drip irrigation system, and relates to the technical field of water-saving drip irrigation equipment. According to the flow adjusting device for the water-saving drip irrigation system, the drain outlet is formed in the bent pipe, and the filter part is inserted into the inner side of the drain outlet, so that the filter part is convenient to clean and replace. When many impurities are intercepted by the filter part, the filter part can be directly taken out from the drain outlet to be cleaned or replaced, so that the operation is simple and convenient, and the normal operation of the drip irrigation system is effectively prevented from being influenced by impurity blockage; due to the arrangement of the check valve, water in the drip irrigation system can be prevented from flowing back during decontamination, decontamination work is smoother, water resource waste in the decontamination process is reduced, and meanwhile decontamination difficulty and maintenance cost are reduced; according to the flow regulating device, impurities in water can be effectively filtered out through the filtering piece, it is guaranteed that the water quality of the drip irrigation system is clean, the sealing performance between the filtering piece and the drain outlet is enhanced through the sealing ring, and the stability and reliability of the whole flow regulating device are improved.

The utility model provides a screw conveyor convenient to unload, relates to the technical field of screw conveyors, and comprises a conveyor upper shell and a lower arc-shaped shell, the lower end of the conveyor upper shell is engaged and clamped with the lower arc-shaped shell, the left side of the conveyor upper shell is welded with a left support frame, and the right side of the conveyor upper shell is welded with a right support frame; a transmission plate is welded to the end face of the rear side of the lower arc-shaped shell and connected with fixing blocks through fixing rods, the fixing blocks are welded to the rear side ends of the left supporting frame and the right supporting frame, worm wheels are installed on the rod faces of the left sides of the fixing rods, and worms are connected to the front sides of the worm wheels in an engaged mode. The utility model solves the problem that the energy consumption of the screw conveyer is increased due to the fact that the excess materials in the conventional common screw conveyer for unloading at the linear end part need to be cleaned and discharged in time and the unloading path of a longer machine body is longer.

This utility model discloses a dryer rotor connecting rivet, including a rivet body and a riveting mechanism. The top of the rivet body is provided with an mounting rod, and the top of the mounting rod is fitted with a first fixing sleeve. The riveting mechanism is installed on the top of the outer wall of the rivet body and includes a riveting sleeve, riveting drums, and a retaining plate. The riveting sleeve is located on the top of the outer wall of the rivet body. This dryer rotor connecting rivet, through its riveting mechanism, facilitates the riveting of the dryer rotor to the drum using an riveting machine. Axial force is used to deform the riveting sleeve, and multiple riveting drums on the outside of the riveting sleeve deform and fit together, effectively preventing leakage of liquids, gases, and other media, achieving a sealing effect. This prevents moisture from the dryer drum from entering the rotor and affecting the normal operation of the dryer. Furthermore, this riveting method has good tensile strength, thereby improving the tightness of the riveted joint.

The utility model discloses a kind of flexible trepanning devices of circuit board, it is related to circuit board processing technical field.The utility model includes bottom plate, the bottom plate top is provided with driving motor, driving motor output end is fixedly connected with drill bit;The drill bit bottom is provided with support mechanism.The utility model passes through the support of support mechanism Shell design, drill bit when penetrating circuit board will not directly contact operation platform, avoid drill bit abrasion and operation platform damage, while support shell provides real-time support to circuit board trepanning position, prevent circuit board from bending or breaking due to down pressure, significantly improve processing precision and product yield, dust collection mechanism is matched by air blower, dust hood and fixed box, can quickly adsorb and concentrate the chip generated by drilling, avoid chip flying and scattering Pollution equipment or affect the normal operation of screw thread transmission structure.The design of detachable sealing plate further facilitates the regular cleaning of chip, prolongs the service life of equipment.

The embodiment of the application provides a washing machine drain valve, which comprises: a water inlet pipe, the upper end of the water inlet pipe serving as a water inlet, and the lower end of the water inlet pipe serving as a sewage outlet; a sewage end cover, which is detachably connected to the sewage outlet; and a drain pipe, one end of the drain pipe being communicated to the side of the water inlet pipe, and the part of the water inlet pipe between the drain pipe and the sewage outlet of the water inlet pipe serving as a sewage storage area. Solid impurities in the washing water of a conventional washing machine drain valve are prone to entering a sewer, which is a technical problem that a person skilled in the art urgently needs to solve.

This utility model discloses a handheld cutting machine for cutting interior decoration building materials. The machine includes a cutting machine with a coil installed inside. A rotor is installed inside the coil, and the rotor's drive shaft extends through to the left side of the cutting machine and is fixedly connected to a cutting blade. A handle is installed on the top of the cutting machine. The bottom of a heat dissipation mechanism is fixedly connected to the top of the cutting machine, and the surface of the heat dissipation mechanism is fixedly connected to the inner wall of the cutting machine. This utility model uses a heat dissipation mechanism to cool the inside of the cutting machine and the handle, and then uses a storage mechanism to store the wire, preventing the wire from being damaged by external pressure. This handheld cutting machine for cutting interior decoration building materials has the advantage of easy wire storage, improves the stability of the handheld cutting machine, and prevents the wire from being exposed, avoiding damage to the wire's insulation layer from external pressure and impact.

The invention discloses an application function module closing method and device, equipment and a medium. The method comprises the steps that when a forced closing instruction corresponding to an application function module is intercepted, running state information corresponding to the application function module is collected; determining a closing type corresponding to the application function module according to the running state information; when the closing type comprises a dynamic closing type, acquiring a to-be-executed command corresponding to the application function module, and taking the to-be-executed command as processing content corresponding to the closing type; when the closing type comprises a static closing type, obtaining static state information corresponding to the application function module, and taking the static state information as processing content corresponding to the closing type; performing closing processing on the processing content corresponding to the closing type to obtain a closing execution result; and when the closing execution result is execution completion, generating and executing a service closing command of the application function module. According to the embodiment of the invention, the closing accuracy of the application function module can be improved.

This disclosure relates to verification methods, apparatus, electronic devices, storage media, and computer program products. The method includes: obtaining the current operating state of the target server; when the target server is in normal operating state and a security module in the target server resets, obtaining a first random number stored in a target non-volatile storage area and a second random number stored in a target volatile storage area of ​​the target server; comparing the first random number and the second random number, and determining whether verification of the target component through the security module is required based on the comparison result. Thus, when an abnormal reset occurs due to an external attack or other circumstances, determining whether verification of the target component through the security module is required by comparing the first and second random numbers can prevent the security module from affecting the normal operation of the server after an abnormal reset.

This utility model provides a wool opening device, belonging to the field of wool processing technology. It includes a material box containing an opening mechanism for processing wool. The opening mechanism includes a feeding component and an opening component. The feeding component feeds wool into the material box, and the opening component is located below it, used to open the wool fibers. The feeding component includes a feeding ramp symmetrically mounted on the top of the material box and a feeding shaft symmetrically mounted above the ramp. Several feeding guide rods are distributed on the feeding shaft. This utility model can shred wool using meshing crushing rollers, avoiding problems such as uneven stress on wool fibers during opening due to improper or inaccurate roller coordination, and potential damage to some wool fibers due to over-opening.

The utility model discloses an adjusting device for sliding contact line connection, which belongs to the technical field of sliding contact lines and comprises a copper head sliding contact line, a steel base is slidably connected in the copper head sliding contact line, adjusting plates are in threaded connection with the middles of the two sides of the steel base through bolts, stress plates are fixedly connected with the bottom ends of the two sides of the steel base, and the stress plates are in threaded connection with the steel base through bolts. A mounting groove is formed in the middle of one side of the stress plate, and a heat dissipation assembly is fixedly connected to the position, located on the edge of the mounting groove, of one side of the stress plate. Through the arrangement of the steel base, the adjusting plate and the bolt, a gap is reserved between the adjusting plate and the steel base so as to adapt to the deformation of the copper head sliding contact wire, so that the copper head sliding contact wire always has good contact, and the phenomena that resistance is increased, the power transmission efficiency is reduced, sparks and even safety accidents are caused, and the production stability and safety are influenced are avoided; the dustproof net can prevent dust from affecting normal operation of the induced draft fan, and the induced draft fan can accelerate heat dissipation of the surface of the copper head sliding contact line.

This utility model discloses a slag cooling device for a vertical kiln, including a base plate. A fixing plate is fixedly connected to the top of the base plate. The vertical kiln body is fixedly connected to the inner side of the fixing plate. A drive motor is fixedly installed on the outer side of the fixing plate by bolts. A conveyor belt is driven to the output end of the drive motor. An electric telescopic rod is fixedly installed on the top of the fixing plate. A baffle is fixedly connected to the output end of the electric telescopic rod. A distance sensor is fixedly connected to the surface of the baffle. A water tank is fixedly connected to one side of the fixing plate. This utility model uses a water pump to circulate water in the water tank through a circulating water pipe, which can remove some heat and play a preliminary cooling role, reducing the temperature around the vertical kiln. The water pump also delivers water to atomizing nozzles through a drain pipe. The atomizing nozzles atomize the water and spray it onto the slag, increasing the contact area between the water and the slag and accelerating the cooling speed of the slag.

The utility model discloses a long endurance and easily deploy data acquisition house, including bottom plate, the edge side fixed mounting of bottom plate top has the protection wallboard, the front side and rear side of protection wallboard top all have seted up solar panel limiting slot, the utility model relates to sensor data acquisition technical field. The long endurance and easily deploy data acquisition house, through the installation lithium cell with the utilization battery compartment connecting table, and install polycrystalline solar panel for lithium cell power supply, not only reduced the installation quantity of battery and alleviated the weight of whole, and this power supply mode greatly increased the endurance, very large extent solved the problem of short endurance, and in the battery compartment main part and the periphery and bottom of inductor deposit storehouse, utilize the protection wallboard and close, prevent the influence protection inductive component and the normal operation of battery of the aging and humid environment that solar exposure brings.

The utility model discloses a series excited motor convenient to replace a carbon brush, comprising a housing, one end of the housing is provided with an installation assembly, the inner wall of an installation end cover is provided with an auxiliary assembly, through the installation assembly arranged on the housing, the carbon brush can be replaced without the help of a plurality of tools for long-time disassembly and assembly, and the replacement efficiency is improved. Compared with the prior art, time and labor cost required for replacing the carbon brush are greatly shortened, production stagnation or equipment idle time caused by carbon brush replacement is shortened, flexibility and timeliness of equipment maintenance are improved, meanwhile, an auxiliary assembly is arranged on the installation end cover, the carbon brush can be conveniently and rapidly disassembled and replaced, and the service life of the carbon brush is prolonged. The surface of the carbon brush and the surface of the commutator can be cleaned in real time, impurities such as powder attached to the surfaces of the carbon brush and the commutator are effectively removed, good contact between the carbon brush and the commutator is ensured, stable conductivity is maintained, and the surface of the commutator is flexibly cleaned; and the risks of poor conductivity, motor performance reduction and even damage caused by impurity accumulation are reduced.

The utility model relates to a battery cell assembly and electronic equipment, the battery cell assembly comprises a battery cell shell, a battery cell and an early warning circuit, the early warning circuit is located in the battery cell shell, the battery cell shell is further provided with a battery cell accommodating cavity, the battery cell accommodating cavity is used for placing the battery cell, and the early warning circuit is used for being connected with the placed battery cell. The first connector is selectively in a first connection state or a second connection state; when the battery cell is placed in the battery cell containing cavity in the first direction, the battery cell is connected to the early warning circuit, the early warning circuit is in a first connection state, and an early warning prompt is given out. And when the battery cell is placed in the battery cell accommodating cavity along a second direction, the early warning circuit is in a second connection state and does not give out an early warning prompt, and the first direction is opposite to the second direction. According to the invention, automatic detection and alarm functions can be realized when the battery cell is reversely inserted, so that the safety and accuracy of battery cell installation are improved, the situation that normal operation of the electronic equipment is influenced or even the electronic equipment is damaged due to wrong installation of the battery cell can be effectively prevented, and meanwhile, the use safety of the electronic equipment can be improved.

This utility model relates to an integrated miniaturized air-cooled electronic chassis, including a chassis with a cubic structure open at both the front and rear ends. A front cover assembly and a rear cover assembly are respectively installed on the front and rear open surfaces, and electromagnetic shielding strips are provided in the installation gaps between the chassis and the front and rear cover assemblies. A circuit module is installed inside the chassis, and curved heat dissipation fins are installed on the top and bottom. An air inlet is provided at the rear corresponding to the heat dissipation fins. Air outlets are provided on the top and bottom of the front cover assembly. A fan assembly is installed on the rear cover assembly. This application utilizes the fan assembly, rear cover assembly, chassis, heat dissipation fins, and front cover assembly to form an effective air-cooled heat dissipation channel, which can quickly dissipate the heat generated by the circuit modules inside the chassis, greatly improving the chassis's heat dissipation efficiency. Simultaneously, the electromagnetic shielding strips effectively reduce electromagnetic interference, improve the stability of the electronic equipment inside the chassis, and ensure that the chassis can operate normally in complex electromagnetic environments.

The utility model relates to liquid delivery evaporation equipment field especially easy installation type liquid delivery evaporation equipment. Including movable frame and installation structure, the upper surface fixed connection of movable frame has liquid delivery evaporation equipment body and control cabinet, the inside installation of liquid delivery evaporation equipment body has the conveying pipe, the one end of conveying pipe away from liquid delivery evaporation equipment body is installed with the pipe of linking by installation structure, the inside installation of control cabinet has a plurality of operation buttons, the arc surface of conveying pipe is equipped with installation structure. The utility model provides an easy installation type liquid delivery evaporation equipment solves because the current is through a plurality of bolts and links the pipe to install on the conveying pipe, and in the process of installing the pipe of linking, personnel still need to use wrench and other tools to rotate bolt to be able to link the pipe of fixing firm, because this kind of installation mode is very complicated, and then will lead to the low working efficiency of personnel's shortcomings.

The utility model relates to a discontinuous one-way rotating ADCP (Acoustic Doppler Current Profiler) scanning flow measuring device for a fluid section, and belongs to the technical field of water flow detection. According to the technical scheme, a floating traction cable, a scanning flow measurement sensor driving motor and a control module are arranged on a floating body, the control module is connected with the scanning flow measurement sensor driving motor, and the output end of the scanning flow measurement sensor driving motor is connected with a rotating shaft below the floating body; the floating traction cable is formed by extruding a waterproof floating material outside a cable core; two ends of the cable core are respectively connected with the control module and the power supply and control system; the floating traction cable floats on the water surface. The beneficial effects of the utility model are that the floating traction cable is adopted to prevent from hanging aquatic plants in water to influence the normal operation of the flow measurement sensor, and the scanning flow measurement sensor driving motor and the control module are arranged on the upper side of the floating body, thereby reducing the waterproof requirement, simplifying the structure, reducing the cost, improving the reliability of the device, reducing the maintenance amount, and improving the user experience.

This utility model discloses a waterproof and dustproof high-pressure safety valve for gas, including a housing, a guide seat, a valve, a filter assembly, and a valve seat. The housing has an inlet at its lower end and an outlet along its circumference. This structure adopts a bottom-in, side-out approach, with multiple outlets to improve exhaust efficiency. The guide seat and valve are located inside the housing, with the guide seat slidably connected to the inner wall of the housing. The valve seat is located at the lower end of the housing, with the upper end of the valve corresponding to the lower end of the guide seat. The valve and valve seat slide in contact, and the lower end of the valve corresponds to the flow channel of the valve seat. An exhaust chamber is located inside the housing, connected to the outlet along the circumference of the housing. An elastic sealing ring is provided on the inner wall of the exhaust chamber. Through optimized structural design and sealing performance, this valve solves the problems of leakage and jamming that may occur with traditional safety valves in special environments, improving safety and service life, and providing a guarantee for the long-term stable operation of industrial equipment.

The invention discloses an intelligent heat dissipation device of a dry-type transformer and a using method of the intelligent heat dissipation device, and belongs to the technical direction of transformer heat dissipation. The intelligent heat dissipation device comprises a dry-type transformer placement base, and two sets of supporting bases are symmetrically installed at the two ends of the outer portion of the dry-type transformer placement base correspondingly and are the first supporting base and the second supporting base correspondingly; two sets of heat dissipation grooves are symmetrically formed in the two ends of the exterior of the first supporting seat correspondingly, a plurality of sets of heat conduction rods are installed on one side of the interior of the first supporting seat in an array mode, a temperature sensor is fixedly installed on one side of the exterior of the first supporting seat, and a heat dissipation assembly and a second heat dissipation base are further arranged on the dry-type transformer placement base. Through cooperative use of the heat conduction rod, the electric fan set and the temperature sensor, the peripheral temperature of the dry-type transformer placement base can be detected, the heat dissipation mode can be changed according to different temperature values, heat is conducted to the heat conduction rod for heat dissipation when the operation temperature is low, and it is avoided that cold air makes direct contact with the dry-type transformer, and condensed water drops are generated.

The utility model provides a storage steel tray processing corner polishing device, which relates to the technical field of polishing devices, and comprises a machine body, a machine case, a protection plate and a grinding wheel, the machine case is installed at one end of the machine body, the protection plate is fixedly installed on one side of the machine case through bolts, the grinding wheel is arranged inside the protection plate, and the grinding wheel is fixedly installed on one side of the machine case. The protective device comprises a machine box, a protective plate is arranged on the machine box and rotationally installed on one side of the machine box, a fixing device is arranged on the outer surface of the protective plate, and the fixing device clamps and fixes a grinding wheel through two clamping plates. And the two clamping plates can fix the grinding wheel until the grinding wheel is completely clamped by the two clamping plates, so that the situation that in the process of carrying the angle grinder, the grinding wheel rotates, other objects are wound around the grinding wheel, and consequently the objects are damaged is prevented, and the angle grinder is more convenient to carry.

The utility model discloses a vehicle -mounted portable oxygen generator, specifically at the oxygen generator technical field, including oxygen generator main part, oxygen generator main part bottom both sides are equipped with installation component, installation component includes sliding block, two sliding blocks top are connected with two first sleeve, two sliding blocks bottom are equipped with slide rail, and every first sleeve inside is connected with damper, and the damper top end is connected with oxygen generator main part bottom through second sleeve, and the first sleeve top is connected with the damping spring between second sleeve, and the damping spring is covered in damper outside. The utility model discloses through the cooperation of sliding block and slide rail, will oxygen generator main part support installation in the car, not only is convenient for adjusting oxygen generator main part position, but also is convenient to carry use, in addition, the damping spring between first sleeve and second sleeve and damper mutually cooperate, can play the damping effect at oxygen generator main part bottom, effectively avoid oxygen generator main part and be damaged because of sway, and then prolong its service life.

The present application relates to the technical field of tubular turbine, and discloses a kind of tubular turbine control ring auxiliary support device, including hanger, the lower part of the hanger is bent part, the bent part is equipped with self-lubricating wear pad and support block, the self-lubricating wear pad is fixedly connected above support block, the upper part of the hanger is equipped with fixed mechanism;The fixed mechanism is used to connect the side wall of outer guide ring, and the self-lubricating wear pad is used to support the outer circle connected on the bottom of control ring.Effectively solve the problem that the income of power station is affected by frequently replacing steel ball and repairing sliding chute.

The invention aims to provide an efficient heat dissipation router for network communication, and relates to the technical field of communication equipment, the efficient heat dissipation router comprises a base assembly, the base assembly comprises a balancing weight and an anti-skid pad, and the balancing weight is used for keeping the router stable; the shell assembly comprises a shell, a cover plate, a dustproof plate, a mounting rod, a connecting rod, a sleeve rod and a first antenna assembly and is used for air flow entering and signal transmitting. The mainboard assembly comprises a circuit board and a supporting spring, damping protection is carried out through the supporting spring and the second antenna assembly, and the problem that a traditional router is poor in heat dissipation effect is solved.

The utility model relates to the field of pipeline control valve especially, relates to a prevent false touch type pipeline control valve. Including pipeline body, the inside installation of pipeline body has control valve body, the inside installation of control valve body has pressure gauge, the surface of control valve body is equipped with protective structure, the protective structure includes two fixed plates, two fixed plates and control valve body fixedly connected, the inner wall of fixed plate is equipped with limit slot, the inner wall sliding connection of limit slot has two moving blocks, the side fixed connection of moving block away from control valve body has the abuttable board. The utility model provides a prevent false touch type pipeline control valve and solved when personnel to the control valve body of not setting the protective devices control finished, because the control switch on the control valve is all exposed outside, makes the operator slightly careless touch to control valve, will lead to pipeline system out of control or the dangerous condition such as leakage disadvantage.

The application discloses a power cabinet with a cable bundling limiting structure, and relates to the technical field of power cabinet bundling, which comprises a power cabinet, a ventilation opening is formed in the surface of the power cabinet, a fan is fixedly installed on the inner wall of the ventilation opening, a guide rail is fixedly installed on the inner wall of the power cabinet, the cable bundling device comprises a placing rack, a rotating shaft, a reciprocating wire rod, a winding drum, a wire guide drum, a limiting plate, a limiting rack, a pressing plate and a bolt, the placing rack is slidingly installed on the inner wall of the guide rail, the pressing plate is pressed down by a worker according to the number and thickness of the cable, the pressing plate contacts and compresses the cable, then the worker inserts the bolt into the limiting plate and the pressing plate at the same time and fixes them, the fixing of the compressed cable is realized, the loosening or displacement of the cable in the power cabinet due to vibration, operation or external force is effectively prevented, and the mutual contact or friction between the cables is reduced.

The utility model relates to the field of flexible production systems of automatic particle production lines, in particular to a flexible production system of an automatic particle production line. Comprising a control cabinet, a detection device, a touch control device, an automatic mechanical arm, a discharging device and a conveying device are installed on the upper surface of the control cabinet, a conveying belt is installed on the inner wall of the conveying device, an emergency key is installed on one side of the touch control device, and a data arrangement linkage device is installed on the side, away from the emergency key, of the touch control device; a limiting structure is arranged on the upper surface of the conveying device and comprises a fixing plate, and the fixing plate is fixedly connected with the conveying device. According to the flexible production system of the automatic particle production line, the defects that due to the fact that a conveying device is not provided with a limiting device, when a discharging device conducts discharging, materials can move to the edge position of a conveying belt, and in the follow-up conveying process, the materials can slide off from the conveying belt due to vibration are overcome.

The utility model discloses a bridge deck runoff pollution prevention and control equipment, including bridge, the left and right upper surface of bridge is opened with the drainage groove symmetry, the upper surface of drainage groove is overlapped and has the grating, the lower surface fixedly connected with the water inlet pipe of drainage groove, the lower surface fixedly connected with the main pipeline of water inlet pipe. This bridge deck runoff pollution prevention and control equipment, through the setting of bridge, drainage groove, grating, water inlet pipe, main pipeline, prevention and control box, water inlet, filter screen, motor, mounting panel and cleaning brush, the rainwater or dangerous leakage article of bridge upper portion is filtered after the big impurity garbage of grating and enters the drainage groove, then through the water inlet of water inlet pipe and is gathered into main pipeline and carries out the pollution prevention and control detection of prevention and control box, and the filter screen carries out the filtration again, and the cleaning brush on the mounting panel is driven to rotate and clean the filter screen under the drive of motor, reduces the blockage rate of water inlet, avoids because of the normal operation of prevention and control box because of the blockage, prolongs the service life of equipment.