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25results about How to "Slow flow" patented technology

Pusher capable of recovering leachate, leachate recovery device and waste incineration device

The invention relates to a pusher capable of recycling percolate, a percolate recycling device and a waste incineration device.The pusher comprises a rack, a material pushing trolley, a driving device, a first percolate channel, a second percolate channel, a third percolate channel and an inclination angle adjusting device.The material pushing trolley is arranged on the rack in a sliding mode, and the driving device is in transmission connection with the material pushing trolley; the material pushing trolley comprises an upper-layer trolley body and a lower-layer trolley body, the first percolate channel penetrates through the rack, the second percolate channel penetrates through the lower-layer trolley body and the rack, the third percolate channel penetrates through the upper-layer trolley body and the rack, the first percolate channel, the second percolate channel and the third percolate channel are sequentially arranged, and the inclination angle adjusting device is used for adjusting the included angle between the rack and the horizontal plane. According to the pusher, leachate recovery can be increased, the water content of garbage entering a furnace is reduced, the garbage can be dried more quickly, the combustion efficiency of a fire grate is improved, the conditions that leachate in a slag hopper of a drying section of the fire grate overflows and the interior of an ash hopper is coked are avoided, and interference to operation and maintenance is reduced.
Owner:SHANGHAI SUS ENVIRONMENT CO LTD

Boring machine

The utility model discloses a boring machine, and relates to the technical field of mechanical drilling. The device comprises a bottom plate, a placement table is fixed to the upper end of the bottom plate, a stand column is fixed to the upper end of the bottom plate, a first motor is fixed to the top end of the stand column, the stand column is sleeved with a sliding sleeve in a sliding mode, a supporting frame is fixed to the side face of the sliding sleeve, and an adjusting rod is fixed to the output end of the first motor. The adjusting rod is in threaded connection with the interior of the supporting frame, a sliding rail is fixed to the supporting frame, a moving frame is slidably connected to the sliding rail, a second motor is fixed to the upper end of the moving frame, a drill bit is installed at the lower end of the moving frame, and a collecting structure is arranged on the bottom plate. When the boring machine is used for machining a workpiece, sprayed water can be blocked by the elastic corrugated pipe, is left on the bottom plate along the elastic corrugated pipe and finally falls into the collecting box, the water can be blocked through the structure, splashing and flowing of the water all around are reduced, and the influence on the surrounding environment is reduced.
Owner:SHANGHAI YIXIN METALLURGY EQUIP MFG CO LTD

System for controlling temperature uniformity and reducing energy consumption of evaporation fan of air-cooled refrigerator

The utility model relates to refrigeration technology, and provides a system for controlling temperature uniformity and reducing energy consumption of an evaporation fan of an air-cooled refrigerator, which comprises a box body, a refrigeration system, a temperature control system, a frequency conversion system, a defrosting system and a central processor are arranged in the box body, and the refrigeration system comprises the evaporation fan, an evaporator, a compressor and a condensing unit. The refrigerating system is used for reducing the temperature in the box body to refrigerate the box body, the temperature control system comprises a temperature sensor and is used for controlling the temperature in the box body, and the frequency conversion system comprises a first frequency converter and a second frequency converter and is used for controlling the power supply frequency of the compressor and the evaporation fan. The variable frequency control function of the evaporation fan is achieved through the second frequency converter, so that the fan which operates at a constant high speed originally can flexibly adjust the rotating speed according to actual requirements, and the overall performance and practicability of equipment are remarkably improved while energy consumption is reduced.
Owner:GUANGDONG ICCOLD REFRIGERATION EQUIP LTD

Foundation structure of fused salt storage tank of photo-thermal power station and construction method of foundation structure

The invention provides a foundation structure of a fused salt storage tank of a photo-thermal power station, which comprises a composite thermal insulation layer and a reinforced concrete retaining wall, the composite thermal insulation layer is arranged below a tank bottom plate of the fused salt storage tank, and the composite thermal insulation layer comprises a top cushion layer, ceramic fiber cloth and a ceramsite soil layer which are sequentially arranged downwards; an annular beam is arranged at the top of the composite heat preservation layer and composed of an annular steel plate and a heat-resisting concrete layer which are sequentially arranged below the tank bottom plate, a protective ring wall is arranged in the circumferential direction of the composite heat preservation layer, and a concrete foundation cushion layer with a built-in ventilation pipe and a built-in temperature measuring sleeve is arranged below the composite heat preservation layer. A circle of retaining wall is arranged on the periphery of the retainer wall, and the space between the retaining wall and the retainer wall is filled with compacted plain soil. The foundation structure reduces the leakage risk of molten salt.
Owner:SICHUAN NO 2 ELECTRIC POWER CONSTR CO

Air passage sealing sliding door and window

The invention belongs to the technical field of sliding windows, and particularly relates to an air passage sealing sliding door and window which comprises a window sash frame and a window sash, and sealing grooves are formed in the bottom and the top of the window sash and the side edge, close to an edge rabbet, of the window sash; a partition plate is arranged in the sealing groove and divides the sealing groove into a first sealing groove body and a second sealing groove body. First sealing strip grooves are formed in the inner walls of the two sides of the second sealing groove; and first sealing plates are arranged on the upper sliding rail frame, the lower sliding rail frame and the side rabbets. The sealing groove is formed in the window sash frame, the sealing groove is divided into the first sealing groove and the second sealing groove, the first sealing groove is used for installing the rolling wheel corresponding to the sliding rail, and installation of the rolling wheel is facilitated; the second sealing groove is matched with the first sealing plate on the window sash frame, the sealing gap can be made to be extremely reasonable, the direction of airflow can be effectively changed for multiple times, the flow direction and the flow speed of the airflow entering the second sealing groove and the indoor space are greatly reduced, and then the sealing effect can be further improved.
Owner:GUANGXI XIAFA WINDOW BUILDING MATERIALS CO LTD

Liquid cooling plate assembly and battery pack

ActiveCN116454462Bslow flowReduce the risk of flow into the battery storage space
This application provides a liquid cooling plate assembly and a battery pack. The liquid cooling plate assembly includes: a hollow frame with a refrigerant inlet on its outer surface and a liquid inlet channel communicating with the refrigerant inlet inside the frame; and a liquid cooling plate disposed in the hollow portion of the frame and sealed to the bottom of the frame. An annular sealing surface extending circumferentially along the frame is formed at the connection between the liquid cooling plate and the frame. The cavity in the hollow portion of the frame serves as a battery storage space, and the liquid cooling plate forms the bottom of the battery storage space. The liquid cooling plate has a cooling channel communicating with the liquid inlet channel, with the communication point located outside the annular sealing surface. This application can reduce the risk of refrigerant leakage into the battery pack.
Owner:ZHEJIANG ZEEKR INTELLIGENT TECH CO LTD +2

Bipolar plate with wave-shaped runner structure

The utility model discloses a bipolar plate with a wave-shaped flow channel structure, relates to the technical field of hydrogen fuel cells, and can solve the problem that local overheating of an electric pile is easily caused due to the fact that flow channel design speed control mainly depends on bending design in the prior art. The bipolar plate with the wave-shaped flow channel structure comprises a plate body, and a plurality of wave-shaped flow channels which are arranged at intervals and are parallel to the length direction of the plate body are arranged in a flow field area of the plate body; the bottoms of the wave-shaped flow channels are arranged in a high-low staggered mode in the length direction of the plate body.
Owner:CHENGDU XINYAN HYDROGEN ENERGY TECH CO LTD

Hot head with electrically heated core

The application discloses a hollow-structure hot gutta-percha electric heat head, which comprises a detachably connected working tip and a connecting rod, the working tip is divided into three parts, i.e., a head part, a body part and a tail part, the head part is a flat-bottom solid structure or a conical solid structure, the body part is a hollow structure with an opening, and the tail part is used for being connected with the connecting rod, and the other end of the connecting rod is connected with a heating device. The hot gutta-percha electric heat head improves the operation difficulty of the current hot gutta-percha vertical pressure continuous wave root canal filling, the hollow structure provides space for the accommodation of liquid gutta-percha and root filling paste, reduces the opportunity of the gutta-percha and root filling paste flowing to the root tip, and reduces the possibility of overfilling; when the gutta-percha is put outwards along with the working tip of the electric heat head, the upper segment of the main gutta-percha tip can be integrally and completely taken out. In conclusion, the design reduces the difficulty of the hot gutta-percha root canal filling, improves the precision rate of the root canal filling, and reduces the treatment failure rate.
Owner:NORTHWEST UNIVERSITY FOR NATIONALITIES

Pipeline waterproof structure and energy storage converter

The invention discloses a pipeline waterproof structure and an energy storage converter. The pipeline waterproof structure is used for preventing water flowing along the outer wall of a pipeline from flowing to a waterproof section of the pipeline, an anti-flowing section is arranged on the pipeline in the flowing direction of the water and in front of the waterproof section, that is, the water flows through the anti-flowing section firstly and then flows through the waterproof section, and the waterproof section is the pipeline corresponding to an area needing waterproof. The anti-flowing section is used for preventing water from moving towards the waterproof section, the anti-flowing section is provided with a lowest point and an anti-flowing point which are sequentially arranged in the flowing direction of the water, the lowest point is lower than the anti-flowing point, under the action of gravity, the water is not prone to moving from the low point to the high point, and the water is prevented from moving towards the waterproof section; and the waterproof section is not located under the lowest point, so that water is prevented from falling onto the waterproof section from the lowest point to cause waterproof failure at the position.
Owner:XIAMEN KEHUA DIGITAL ENERGY TECH CO LTD

Exhaust cock of lead-acid storage battery

The utility model discloses a lead-acid storage battery vent bolt which comprises a bolt body, a cylindrical containing cavity is arranged inside the bolt body, a clamping groove used for clamping a gas filtering piece is arranged at the end of the bolt body corresponding to the containing cavity, and a long-strip-shaped groove hole is arranged on the side wall of the other end of the bolt body corresponding to the containing cavity. The suppository core is detachably connected into the containing cavity, a plurality of partition plates are sequentially and obliquely arranged on the suppository core at intervals from one end to the other end, a reverse inclination angle is formed between every two adjacent partition plates, supporting columns are arranged between every two adjacent partition plates, and the partition plates divide a plurality of partition cavities in the containing cavity from one end to the other end. According to the single-layer cover of the lead-acid storage battery, the risk of liquid overflow can be reduced, the single-layer cover is convenient to disassemble and use, and the requirement of an exhaust system for mutually independent unit cells required by the design of a single-layer cover of the lead-acid storage battery is met.
Owner:FENGFAN

Small-size high-power photoelectric device shell

The utility model discloses a small-size high-power photoelectric device shell which comprises a frame, a bottom plate and a cover plate. A local hollowed-out structure is arranged in the frame, so that the cross section of the frame is L-shaped, the top of the local hollowed-out structure is lower than the top of the frame, the frame is provided with a fiber outlet pipe and low-frequency integral glass, the low-frequency integral glass is provided with a plurality of low-frequency leads, and the low-frequency leads are connected with the fiber outlet pipe. The plurality of low-frequency leads are vertically arranged in the low-frequency integral glass in a stepped manner, the bottom plate is connected with the bottom of the frame, and the cover plate is connected with the top of the frame. According to the utility model, the design requirements of small size and high power of the photoelectric device are met, the process of the lower sealing cover with the special-shaped structure can be realized, and good air tightness and reliability can be realized.
Owner:TAIZHOU HANGYU ELECTRICAL DEVICE

Food processor

The utility model relates to the technical field of food processing devices, in particular to a food processing machine which comprises a machine shell, a control device, a motor assembly and a smashing cup, the control device, the motor assembly and the smashing cup are installed on the machine shell, and the control device comprises a display panel vertically installed on the outer side of the machine shell and a control assembly installed between the display panel and the machine shell. The control assembly comprises an installation support fixed to the machine shell, a visual window fixed to the installation support and a control panel located below the visual window, the installation support is provided with a surrounding edge extending outwards along the outline of the visual window, and the surrounding edge shields the upper portion of the control panel. The large-screen display effect of the food processor is achieved, user operation is more visual, and the appearance of a product is improved. By arranging the installation support, integrated fixation of the visual window and the control panel is achieved, modular assembly is achieved, the convenience and reliability of assembly are improved, the surrounding edge can serve as a water baffle to block water flow on the upper portion, the waterproofness of the control panel is improved, and the service life of the control panel is prolonged.
Owner:JOYOUNG CO LTD

Tin wire special for photovoltaic junction box and manufacturing process of tin wire

The invention relates to the technical field of tin wire welding of photovoltaic junction boxes, and discloses a special tin wire for a photovoltaic junction box and a manufacturing process of the special tin wire. The alloy layer comprises tin, lead, aluminum, antimony, arsenic, bismuth, copper, iron, zinc, cadmium and sulfur; the soldering flux layer is composed of rosin, tetrahydrofurfuryl alcohol, propylene glycol monomethyl ether, succinic acid, glutaric acid, dibromo butylene glycol, dimethylamine hydrochloride and a fluorocarbon surfactant; the softening agent is added into the raw materials in the soldering flux layer, the viscosity of the soldering flux layer is increased, the tin wire composed of the soldering flux layer and the alloy layer can be well attached to a welding spot after welding, residues of the tin wire after welding are transparent, the tin wire is not brittle, not prone to powdering and not sticky, the problem that production lines and products are polluted by rosin after welding is solved, meanwhile, the activity of the tin wire is excellent, and the service life of the tin wire is prolonged. According to the tin wire, the different proportions of the softening agent in the soldering flux layer are changed, so that the manufactured tin wire can be suitable for different temperature conditions.
Owner:KUNSHAN SANHAN TIN

Construction method for reducing silt in urban river channel

ActiveCN115559257Blower the altitudeDoes not affect the interception effectBarrages/weirsStream regulationRiver routingSludge
The application discloses a kind of for urban river channel silt reduction construction method, adopt rubber dam and store pit combination, store pit reduces water flow velocity, changes vertical distribution of silt, and makes silt particles concentrate downward, rubber dam adopts arch design, while weakening the impact of water flow on rubber dam, the silt in the silt source of upstream river channel is intercepted, so that it is accumulated to selected section convenient for mechanical dredging;Then, using the way of mechanical dredging, the sludge accumulated is removed for treatment after processing.The application has the advantages of simple and fast design, and the designer only needs to record the data such as river width, normal water level height, water flow velocity and model scale test, so as to carry out the design calculation of actual engineering.The method improves the dredging efficiency, reduces the silt accumulation of urban internal river channel, reduces the traffic pressure of urban internal river channel, and saves manpower and material resources.
Owner:吴慧明

Water boiler heating module with water-gas separation function

The utility model relates to a water boiler heating module with a water-gas separation function, which comprises a heating assembly, the water outlet end of the heating assembly is connected with a pressure relief device used for discharging steam outwards and a water drainage pipeline used for supplying hot water outwards, and the pressure relief device, the heating assembly and the water drainage pipeline form a three-way structure. The steam generated when the heating assembly heats water can be discharged outwards from the pressure relief device, the chance that the steam flows to the drainage pipeline is reduced, and therefore the safety of equipment during working is improved.
Owner:GUANGDONG JIBAO DINGCHEN ELECTRIC APPLIANCE CO LTD

A composite waterproof structure for basement expansion joints

This application discloses a composite waterproof structure for basement expansion joints, relating to the field of building expansion joint construction technology. It includes basement walls and expansion joints between the walls. A waterstop is installed along the length of the expansion joint on each wall between the expansion joints. Installation grooves are formed on both sides of the expansion joints along the length of the expansion joints. A cover plate is installed on the outer side of the expansion joint along the length of the expansion joint. Installation brackets are installed on the inner sidewalls of both installation grooves along the length of the expansion joint. The side of the installation bracket away from the expansion joint contacts the cover plate, and a connecting plate is installed on the side of the installation bracket closer to the expansion joint, connecting to the cover plate. A waterproof layer is provided between the installation bracket and the cover plate. The connecting plate pulls the cover plate against the installation bracket, and the waterproof layer waterproofs the gap between the cover plate and the installation bracket, minimizing the risk of the cover plate detaching from the expansion joint and allowing a large amount of water and debris to enter.
Owner:NINGBO MINGSEN ARCHITECTURAL DESIGN INST CO LTD

Filter element and water purifier

The filter element comprises a central pipe, the central pipe is provided with a first water inlet flow channel, and the first water inlet flow channel is used for being communicated with raw water; the membrane element is provided with a second water inlet flow channel for containing wastewater, one end of the second water inlet flow channel is communicated with the first water inlet flow channel, the other end of the second water inlet flow channel is used for being communicated with a wastewater device, the membrane element is provided with at least one membrane bag, and the membrane bag is provided with a first pure water outlet flow channel for containing pure water; the first pure water outlet flow channel extends in the length direction of the membrane bag, and the membrane bag is wound around the central pipe in the length direction of the membrane bag. According to the filter element, due to the fact that the first pure water outlet flow channel extends in the length direction of the membrane bag, the first pure water outlet flow channel is large in capacity and can contain more pure water, under the same solute, the solvent is large, the concentration is low, the TDS value of the first cup of water can be reduced, the taste of the first cup of water is better, and meanwhile the water quality is improved. And the forward osmosis phenomenon is not easy to occur when the filter element stands, so that the cleanliness of pure water is ensured.
Owner:FOSHAN XINYAO ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD

Leg fracture fixing splint

The utility model relates to the technical field of medical first aid, in particular to a leg fracture fixing splint which comprises a splint body, a rotating assembly is arranged between bent portions of the two splint bodies, fixing blocks are arranged on the side walls, away from each other, of the two splint bodies at intervals, and long bandages are symmetrically arranged on the fixing block of one splint body up and down. Short bandages are symmetrically arranged on the fixing block of the other splint up and down, and square sleeves are arranged on the short bandages. The device is simple in structure and convenient for medical staff to quickly operate on an emergency site. By means of the simple steps of pulling the pull rod, rotating the clamping plates, loosening the pull rod and the like, the legs can be rapidly clamped and fixed through the two clamping plates, the device is provided with the air bag and the convertible connector, and therefore medical staff can adjust the clamping area at any time according to the leg injury condition.
Owner:CANGNAN COUNTY THIRD PEOPLES HOSPITAL

Electric heating rubber guide cylinder and production process and temperature control system thereof

The electric heating rubber guide cylinder comprises a guide cylinder body, and a self-temperature-limiting electric heating film is arranged in the middle of the interior of the guide cylinder body; the production process comprises the following steps: S1, designing an electrode of a self-temperature-limiting electrothermal film; s2, etching a copper electrode; s3, designing a heating film resistor; s4, press-fit forming is carried out; s5, digging a welding hole; s6, welding a power line; s7, carrying out insulation treatment; s8, testing electrical performance; s9, pasting a double faced adhesive tape; s10, the self-temperature-limiting electrothermal film is fixed to the aluminum plate; the preparation method of the guide cylinder body comprises the following steps: A1, preparing a sizing material; a2, mold preheating; a3, cleaning an electric heating sheet; a4, brushing glue on the electric heating sheet; a5, cutting the rubber material; a6, adhering the sizing material; a7, mold embedding; a8, demolding is conducted; a temperature control system of an electric heating rubber guide cylinder comprises an electric heating sheet, a temperature sensor, a temperature controller, a power supply module and a display alarm module. The device has the advantages of integrity, sealing performance, heating uniformity and temperature control accuracy.
Owner:YANGZHOU HUATONG RUBBER&PLASTIC CO LTD

A strong magnetic machine runner washing device

This utility model relates to the field of rotary washing technology, specifically disclosing a strong magnetic rotary washing device, including a housing and a washing pipe disposed within the housing. A movable plate is slidably connected within the housing, and two sets of positioning blocks are fixedly connected to the bottom of the movable plate. The washing pipe is rotatably connected between the two sets of positioning blocks. The housing is provided with an adjustment component for adjusting the rotation of the washing pipe. The adjustment component includes a fixed block and an extension rod. This utility model, by setting up a housing, a washing pipe, an adjustment component, a supply component, and a sliding component, allows the sliding component to drive the movable plate within the housing, moving the washing pipe downwards. The adjustment component adjusts the spray angle of the washing pipe to avoid incomplete cleaning in certain areas. The supply component supplies water to the washing pipe to facilitate the cleaning of deposits on the rotary wheel, preventing deposit accumulation that could lead to uneven magnetic field strength distribution and reduced adsorption efficiency of magnetic minerals.
Owner:HUNAN DAZHONGHE LITHIUM MINE CO LTD

Aluminum profile high-efficiency machining center based on multi-spindle structure

ActiveCN224725556UImprove cooling efficiencyslow flow
The utility model relates to machining center technical field especially relates to a kind of aluminium profile high-efficiency machining center based on multi-spindle structure, including machine body, the workbench is installed in machine body lower end, the four-axis tailstock is installed in workbench, the storage room is installed in machine body middle end, the discharge pipe for discharging cutting fluid is installed in storage room, auxiliary component for separating waste chip and cutting fluid and allowing cutting fluid to cool is provided in workbench.The waste chip and cutting fluid generated by the utility model cutting directly fall to workbench, and cutting fluid flows to communicating groove along inclined groove, due to the opening of inclined groove and communicating groove, increase cooling contact area, to improve the cooling efficiency of cutting fluid, and when cutting fluid flows to blocking inclined plate from communicating groove, to slow down the flow rate of cutting fluid, further improve the cooling efficiency of cutting fluid, until cutting fluid flows to collection box from discharge port to be collected, avoid the circulating use cutting fluid due to being in high temperature state, and affect the cooling efficiency.
Owner:GUANGDONG HEYAN INTELLIGENT MACHINERY CO LTD

Waste gas dewatering device

ActiveCN222384515Uslow flowprolong clotting timeDispersed particle separationCondensation processWorking life
The utility model discloses a waste gas dewatering device which comprises an installation box, the interior of the installation box is divided into a separation cavity and a driving cavity, a dehumidification assembly is movably arranged in the separation cavity, an air inlet driving mechanism is movably arranged in the driving cavity, the upper end of the installation box is connected with an exhaust pipe, and the lower end of the installation box is connected with an air outlet pipe. An air inlet pipe is connected to the box wall of the lower end of the mounting box; the device is simple in structure and reasonable in design, realizes effective dehydration and dehumidification of waste gas to be treated, and compared with the traditional centrifugal dehydration, the flow rate of the waste gas is lower, the condensation process is more sufficient, and the dehydration effect is obviously improved. Meanwhile, the longitudinal space of the water removal device is reduced, and the space utilization rate is increased. Meanwhile, the effect of driving the mounting shaft and the arc-shaped blades to rotate by utilizing wind energy of waste gas to be treated is achieved, energy consumption is avoided, the overall structure is simple, no extra driving equipment is involved, the service life is long, and later maintenance is convenient.
Owner:JIANGSU ZHONGYAN ECOPURE TECH CO LTD

Fuel tank structure for large-tonnage loader

The utility model discloses a fuel tank structure for a large-tonnage loader, which belongs to the technical field of engineering machinery accessories and comprises a closed fuel tank main body formed by welding a U-shaped top plate and a U-shaped bottom plate, non-collinear mounting brackets are arranged on two sides of the fuel tank main body, and one side of the fuel tank main body is further connected with an oil filling pipe assembly capable of realizing flexible transition; and a first supporting oil baffle plate and a second supporting oil baffle plate are also arranged in the oil tank main body. The closed oil tank formed by welding the U-shaped top plate and the U-shaped bottom plate is small in welding seam number and short in welding seam length; a plurality of mounting brackets with height difference can relieve larger acceleration impact between the fuel tank main body and the mounting brackets; the flexible transition oil filling pipe assembly can reduce the pulling of lever force formed when the oil filling pipe extends outwards to the oil tank main body; the two supporting oil blocking partition plates welded to the bottom plate of the oil tank body can enhance the overall strength of the bottom plate, slow down the situation that fuel rapidly flows to the other side when a loader goes uphill and downhill, and avoid engine flameout caused by fuel suction.
Owner:QINGDAO LOVOL EXCAVATOR

Electric pump

The invention provides an electric pump which comprises a heat dissipation cavity and an inner cavity, the heat dissipation cavity is communicated with the inner cavity, the electric pump comprises a circuit board assembly, the circuit board assembly is installed on the side opposite to the corresponding wall of the heat dissipation cavity, the electric pump comprises a dry cavity, the dry cavity is located on the radial outer side of the heat dissipation cavity in the radial direction of the electric pump, and the dry cavity is not communicated with the heat dissipation cavity. The electric pump comprises a partition part, the dry cavity comprises a first sub dry cavity and a second sub dry cavity, the first sub dry cavity is located on one side of the partition part, the second sub dry cavity is located on the other side of the partition part, the first sub dry cavity and the second sub dry cavity are not communicated, and at least part of the second sub dry cavity is close to the heat dissipation cavity relative to the first sub dry cavity in the radial direction of the electric pump. The electric pump comprises an electric connecting part, the electric connecting part is electrically connected with the circuit board assembly, the electric connecting part comprises a supporting section, the supporting section is located in the first sub-dry cavity, the electric pump comprises a drainage channel, the drainage channel is communicated with the second sub-dry cavity, and the drainage channel is provided with an opening in the outer wall of the electric pump. Therefore, the working medium flowing to the first sub dry cavity can be reduced, and the corrosion of the working medium to the circuit board assembly can be reduced.
Owner:ZHEJIANG SANHUA AUTOMOTIVE COMPONENTS CO LTD