374 results about "External Liquid" patented technology

This application provides a charging method, which includes: determining the connection status between an electric vehicle and a charging device, and the connection status between the electric vehicle and an external liquid cooling device; and, based on the connection status of the electric vehicle and the charging device, sending an overcharge request message to the charging device, wherein the overcharge request message instructs the charging device to charge the electric vehicle at a first output power, the first output power being greater than or equal to a preset power. The charging method provided by this application enables the charging device to charge the electric vehicle at high power while the external liquid cooling device cools the electric vehicle by transferring a liquid cooling medium to it. This helps meet the heat dissipation requirements of the electric vehicle's power battery during high-power charging, allowing the electric vehicle to be charged at high power and reducing the charging time.

The invention discloses an angle-variable and self-revolution wafer base device, and belongs to the technical field of wafer bases, the angle-variable and self-revolution wafer base device comprises a revolution base, a gear carrier is fixedly connected to the center of the top of the revolution base, and a base is arranged above the gear carrier. According to the cooling device, an external liquid supply device conveys cooling water into the connecting base through a cooling water inlet pipe, inclined blades in the connecting base drive a driving shaft and a double-end protruding block to rotate, a sliding block drives an annular gear and a cooling disc to rotate through a rack, and the rotating cooling disc centrifugally throws out the cooling water; a uniform and dead-corner-free cooling water curtain is formed, the rotation shaft and the adjusting shaft are completely wrapped, the cooling uniformity of the peripheral side of the shaft body is ensured, stable and efficient heat exchange is achieved, sprayed cooling water can cool the revolution seat and the gear carrier at the same time, the influence of the high temperature in the reaction cavity on the device is reduced in an auxiliary mode, and the reaction efficiency is improved. And the operation reliability and the overall performance of the device are obviously improved.

The invention relates to the related technical field of medical instruments, in particular to a contrast injection device for enhancing nuclear magnetic resonance, which comprises a base, a mounting shell arranged at the upper part of the base, a first barrel arranged at the left upper part in the mounting shell, a second barrel arranged at the right upper part in the mounting shell, and a mixing barrel arranged in the middle of the upper part of the mounting shell, a first piston rod is arranged in the first barrel, a second piston rod is arranged in the second barrel, communicating pipes are respectively communicated between the first barrel and the mixing barrel and between the second barrel and the mixing barrel, a one-way water inlet pipe is arranged at the top of the barrel, and the one-way water inlet pipe is communicated with an external liquid storage tank. By rotating the adjusting screw rod, the adjusting screw rod drives the first wedge-shaped block to move to the position of the needed dosage, then the rodless air cylinder controls the extrusion plate to move upwards, and after the extrusion plate moves upwards and makes contact with the plate body, the piston rods move upwards to inject the contrast agent and normal saline of the corresponding dosage into the mixing barrel to be mixed.

The utility model discloses a poultry vaccination marking mechanism which comprises an ink jet mechanism, the ink jet mechanism is flat and hollow and is connected with an external liquid pump through a hose, one side of the ink jet mechanism is provided with a nozzle, the other side of the ink jet mechanism is rotatably provided with a limiting ball, one end of the limiting ball is connected with a connecting mechanism through a connecting rod, and the other end of the limiting ball is connected with the connecting mechanism. The input end of the liquid pump is connected with an ink box containing marking ink through a pipeline, and the output end of the liquid pump is connected with the ink jetting mechanism through a hose. The trigger switch of the liquid pump can be linked with the vaccine injector, when the vaccine injector is started to inject vaccines once, the liquid pump operates once, a certain amount of ink is sprayed to feathers on poultry bodies, and the ink-jet mechanism is linked with the vaccine injection mechanism to inject the vaccines into the feathers. Meanwhile, the poultry feather marking device is small and exquisite in design, light, simple in structure, low in use and maintenance cost and suitable for small-scale poultry breeding.

The invention relates to the technical field of rehabilitation nursing, and discloses a disposable temperature monitoring proportioning hip bath system which comprises an inner barrel and an outer barrel, the inner barrel contains hip bath liquid, the top of the outer barrel is fixedly connected with the lower surface of the top of the inner barrel, and temperature control heat conduction liquid is contained in a closed space formed between the outer barrel and the inner barrel. A temperature monitoring module is arranged on the inner side wall of the inner barrel and used for collecting hip bath liquid temperature data in real time; the proportion adjusting module is connected with an external liquid medicine storage container and a water source and can control the injection amount of liquid medicine and clear water according to preset proportion parameters, and liquid is mixed into the inner barrel. A liquid level detection module in the inner barrel is responsible for monitoring the liquid level height of liquid; a heating temperature control module is embedded in the inner wall of the outer barrel, is in contact with the temperature control heat conduction liquid and is used for heating and controlling the temperature; and the control module is electrically connected with the modules respectively. Through cooperation of multiple modules, precise regulation and control of the hip bath liquid temperature, automatic blending of liquid medicine in proportion and stable maintenance of the liquid level are achieved.

The invention discloses an air pressure liquid level meter, a liquid storage device and plant protection equipment. The first waterproof pipe is communicated with the air pressure sensor; the inner pipe diameter of the air guide pipe is larger than that of the first waterproof pipe, one end of the air guide pipe is communicated with the air pressure sensor through the first waterproof pipe, and the other end of the air guide pipe is used for extending into liquid to sense water pressure. The air guide pipe and the air pressure sensor can be communicated through the first waterproof pipe, and when external liquid enters the air pressure sensor through the end, away from the air pressure sensor, of the first waterproof pipe, the liquid easily forms a water column in the first waterproof pipe under the action of liquid tension; the water column can isolate the space between the barometric sensor and the first waterproof pipe from the outside, which is equivalent to forming plugging and preventing air between the barometric sensor and the first waterproof pipe from being discharged, and when the pressure of external liquid is balanced with the pressure of air in the first waterproof pipe, the liquid cannot continuously enter, so that the waterproofness of the barometric sensor is realized.

The application discloses a three-form bidirectional sealing structure, relates to the technical field of sealing, and solves the problems that in the prior art, the two sides of sealing are different media, the two sides of media are prohibited from being mixed, if the media are connected in series, the product performance is affected, under high-temperature weather conditions, there is thermal expansion phenomenon, under rain and snow weather conditions, external liquid flows into the product, and under bad environment, wind sand and dust invade, which can cause adverse effects on the product, and the specific scheme is as follows: a three-form bidirectional sealing structure, comprising a shaft and an end cover, the end cover is arranged on the circumferential side of the shaft, a sealing ring is arranged between the end cover and the shaft, a felt is arranged between the end cover and the sealing ring, the sealing ring body extends in the axial direction to form a medium sealing ring on the two side surfaces of the end cover, a plurality of protrusions are arranged on the medium sealing ring, a plurality of recesses are arranged in parallel at the positions corresponding to the protrusions of the end cover, and the recesses and the protrusions are in clearance fit to form a labyrinth seal and a non-contact clearance seal.

The present application relates to a kind of cleaning equipment for electrode sheet production, comprising: box body and box cover, positioning frame, positioning mechanism, shift loading module and clamping module, spray module and jacking module.The electrode sheet to be cleaned is positioned and installed on the positioning frame by the present application, and the electrode sheet to be cleaned is further clamped and positioned by the positioning mechanism, so that the soft electrode sheet material can be unfolded and positioned on the positioning frame, avoiding the electrode sheet to be cleaned to be folded down, causing the residual cleaning of liquid medicine, the shift loading module drives the clamping module to clamp the external liquid storage box to be cleaned and the liquid storage cover to be cleaned, the jacking module drives the spray module to move vertically reciprocatingly, the spray module atomizes and cleans the electrode sheet, and the liquid storage box and the liquid storage cover are high-pressure sprayed and cleaned.The atomized water generated when high-pressure spray head cleans the liquid storage box or the liquid storage cover further cleans the electrode sheet, and the present application can simultaneously clean the electrode sheet, the liquid storage box and the liquid storage cover, effectively improve the cleaning efficiency, and further improve the production efficiency.

The invention provides a cabin door sealing device of a main hull and superstructure elastic connection transition area, which comprises a main hull, a superstructure and a transition area, the transition area is positioned between the main hull and the superstructure, and the cabin door sealing device is characterized in that a door opening structure is arranged on the main hull; a first opening is formed in the position, corresponding to the door opening structure, of the superstructure, the door opening structure penetrates through the first opening, and a cabin door is installed on the door opening structure; a sealing assembly is arranged at the joint of the main hull and the external structure of the superstructure and used for preventing an external liquid medium from entering the transition area. The cabin door is installed on the door opening structure penetrating through the first opening, so that the cabin door does not make direct contact with the superstructure, and the relative displacement between the main ship body and the superstructure does not affect the cabin door only installed on the main ship body; meanwhile, external liquid media are prevented from entering the transition area through the sealing assembly.

The present disclosure provides a cleaning device, a control method of the cleaning device and a cleaning system. The liquid path system in the cleaning device comprises a clean water box, a first path and a second path. The clean water box is provided with a first liquid outlet and a second liquid outlet, the first liquid outlet is lower than the second liquid outlet. The first path is provided with a first inlet and a first outlet, the first outlet is used for the liquid in the clean water box to flow out of the first path, and a first power device is used for providing driving power to discharge the liquid in the clean water box out of the first path. The second path is provided with a second inlet and a second outlet, the second outlet is used for the liquid in the clean water box to flow out of the second path. In the state of wiping the surface to be cleaned, the first power device drives the liquid in the clean water box to flow into the first path from the first liquid outlet and flow out of the first outlet to supply the liquid to the cleaning element. In the state of washing the cleaning element, when the clean water box is supplied with liquid by an external liquid source of the clean water box so that the liquid level of the clean water box exceeds the second liquid outlet, the liquid in the clean water box overflows from the second liquid outlet to the second path and flows out of the second outlet to discharge the liquid to the cleaning element to wash the cleaning element.

The utility model provides a fresh bamboo juice extraction device which comprises an extraction box, a water storage tank is arranged on the ground on the outer side of the extraction box, a water outlet pipe of the water storage tank is connected with an evaporator, an auxiliary material pipe is arranged on the evaporator, and an outlet of the auxiliary material pipe is connected with an inner cavity of the extraction box; a negative pressure pump is arranged on the ground on one side of the water storage tank, a negative pressure pipe is connected to the negative pressure pump, and an outlet of the negative pressure pipe is connected with an inner cavity of the extraction tank; fans are installed on the side walls of the two sides of an inner cavity of the extraction box, heating pipes are installed on the outer sides of air outlets of the fans, and a liquid outlet is formed in one end of the bottom of the extraction box and connected with an external liquid collecting pipe; a condenser pipe is arranged at the bottom of the inner cavity of the extraction box, and a condenser is arranged on the ground on the other side of the water storage box and is connected with the condenser pipe. After the scheme is adopted, the structure is reasonable, the evaporation extraction effect is good, and the efficiency is high.

The utility model discloses a kind of capacity expansion waterproof travel bags, it is related to travel bag technical field, including main bag body and the capacity expansion bag being set to its side face. Capacity expansion bag edge is connected with main bag body by waterproof sealing strip, and it is formed plane seal in the contraction state by relying on self elasticity close main bag body, effectively reduce space occupation and isolate external liquid;Capacity expansion bag bottom is equipped with drain hole, can be actively exported bag in liquid accumulation, cover sleeve being set at bag mouth is fixedly connected with main bag body, and bag mouth is sealed by elastic deformation compression. The device forms combined waterproof barrier by lateral isolation of waterproof sealing strip, top sealing of cover sleeve and bottom flow guide of drain hole, realizes the physical separation of dry and wet articles and water accumulation autonomous discharge, solves the pain point that wet umbrella and other humid articles pollute luggage in rainy day, improves the functionality and environmental adaptability of travel bag.

The utility model discloses a hydraulic machine cleaning assembly, which belongs to the technical field of cleaning assemblies, and comprises a support rod and a nozzle, a liquid through hole in the support rod is communicated with an external liquid supply device, and the nozzle is slidably mounted at the end along the axial direction of the support rod. A liquid storage cavity is formed in the nozzle, a first water outlet is formed in the end part, a second water outlet is formed in the annular surface, the nozzle has at least two positions on the supporting rod, liquid can be sprayed from the first water outlet and the second water outlet respectively, and different parts of the hydraulic machine can be cleaned in a targeted manner. A flow guide column is fixed to the end of the supporting rod and connected with a sealing column through a connecting rod, and different water outlets are opened and closed through position changes of the sealing column. The diameter of the connecting rod is smaller than that of the diversion column and the sealing column, an annular groove is formed and matched with the first water injection hole of the diversion column and the second water injection hole of the sealing column, and the liquid flowing path is optimized. A plurality of water injection holes are uniformly formed, so that the liquid is uniformly distributed, and the cleaning effect is improved.

The application relates to the field of washing products, and provides a processing method of a high-altitude natural soda washing product based on a non-ionic surfactant, which comprises the following steps: preparing a washing liquid by using a quantitative feeding and stirring device, wherein the quantitative feeding and stirring device comprises a base, a stirring box and a recovery box, the stirring box is fixedly connected to the top wall of the base, a transmission cavity one and a stirring cavity are formed in the stirring box, a driving mechanism is arranged in the transmission cavity one, a stirring mechanism is arranged in the stirring cavity, a quantitative feeding mechanism is arranged on the stirring box, two or more recovery cavities are formed in the recovery box, the recovery box is connected to the base, a liquid supply pipe and a discharge valve are connected to the inner wall of the stirring cavity, the liquid supply pipe is connected to an external liquid supply device, and a heating device is arranged in the stirring cavity. The application can improve the production efficiency and automation degree of the washing liquid, and the produced washing liquid has the advantages of environmental protection, mildness, strong decontamination, and strong economy.

The invention discloses a flow self-adaptive distribution joint system for a parallel two-phase flow cooling system, which is characterized in that a converging section is connected with an external liquid supply system of the two-phase flow cooling system, a shunting section is connected with a parallel cooling branch of the two-phase flow cooling system, and cooling liquid subjected to self-adaptive distribution flows into the parallel cooling branch; the throttling section and the distribution adjusting section jointly achieve flow self-adaptive distribution of the cooling system. According to the scheme, the flow resistance of the high-flow branch is increased by utilizing the characteristic that the throttling of the throttling section causes large local resistance loss, and then the elastic film is guided to deform by utilizing the flow characteristic that the static pressure of the high-flow branch in the distribution adjusting section is low, so that the flow section of the high-flow branch is reduced, and the flow resistance of the high-flow branch is further increased; and the low-flow branch flow is adaptively improved. The flow self-adaptive joint is simple and compact in structure and high in reliability, is completely decoupled from a rear-end evaporator form, can realize flow regulation and control of a parallel two-phase flow cooling system, and improves the cost-efficiency ratio and the stability of equipment operation.

A pneumatic metering pump, comprising a pump body. The pump body is provided with a liquid inlet, a liquid outlet, and a vent. A liquid storage chamber is further provided in the pump body. When performing a liquid intake operation, air is evacuated through the vent to draw an external liquid into the liquid storage chamber through a liquid inlet; when performing a liquid discharge operation, air is introduced through the vent to press out the liquid in the liquid storage chamber through a liquid outlet. The pneumatic metering pump further comprises a first liquid level detector, and the first liquid level detector is arranged at the inner end of the liquid outlet. When performing the liquid discharge operation, the first liquid level detector is used for determining whether the liquid starts to be discharged. The pneumatic metering pump can improve the accuracy of liquid output metering.

The invention belongs to the technical field of nuclear reactor engineering tests, and particularly relates to a rod bundle fuel assembly testing device. The device comprises a pressure channel, a simulation rod bundle arranged in the pressure channel, and a neutron imaging system arranged outside the pressure channel. The cross section of the pressure channel is in a regular hexagon shape, a lengthened pipe assembly is designed on the upper portion of the pressure channel, the simulation rod bundle is composed of a plurality of electric heating rods, and an outlet pipeline and an inlet pipeline are arranged at the upper end and the lower end of the pressure channel respectively and used for being connected with an external liquid metal loop. According to the invention, high-heat-flux heating of the reactor core can be simulated under the condition of liquid metal cooling, so that the thermal hydraulic phenomenon in the reactor core channel can be accurately simulated.

The utility model provides a base station and a cleaning system. The base station comprises a base station body and a gas source system arranged on the base station body. The gas source system comprises a gas pumping device for providing a gas source, a sewage tank, a valve assembly and a control device. The sewage tank is used for storing liquid, is communicated with an external liquid source through the liquid pumping pipe to pump in the liquid and is communicated with the outside through the liquid discharging pipe to discharge the liquid. The valve assembly is arranged between the outflow port of the sewage tank and the discharge port of the liquid discharge pipe, and the connection or disconnection between the outflow port and the discharge port is correspondingly controlled by opening or closing the valve assembly. The control device is communicated with the gas pumping device through the gas conveying pipe and communicated with the valve assembly through the first pipeline assembly, the liquid pumping pipe passes through the control device, and the control device is used for controlling connection or disconnection of the liquid pumping pipe and connection or disconnection between the gas conveying pipe and the first pipeline assembly.

The utility model relates to the technical field of communication connectors, and discloses a communication connector joint with a waterproof function, which comprises a communication connector body, one surface of the communication connector body is fixedly connected with a waterproof frame, one surface of the waterproof frame is fixedly connected with a sealing gasket, and the other surface of the waterproof frame is fixedly connected with a waterproof cover. A plug is fixedly connected to the middle of one face of the communication connector body and clamped in four moving grooves through the outer walls of four telescopic rods, at the moment, the outer wall of a waterproof frame is clamped in an empty groove, a sealing gasket is also located in the empty groove, and the outer wall of the plug is inserted in a groove. The problems that in the using process of a communication connector joint in the prior art, when the connector joint is connected with a wiring groove in a connecting base in an inserted mode, a large gap can be generated, external liquid can enter the inserted position along the gap, the communication connector cannot be used due to poor contact, and safety is reduced are solved.

The application provides a container type water-cooled data center and a control method, and belongs to the technical field of temperature control. The container type water-cooled data center comprises a computing power service cabinet system, a pump station control system, a plate unit and a power distribution cabinet unit arranged in a container, and further comprises an external liquid cooling system. The computing power service cabinet system comprises a plurality of independently operated modules, each module comprises a plurality of server cabinets, each server cabinet corresponds to a power distribution branch, the plurality of power distribution branches in the same module are collected into the same power distribution bus, the plurality of power distribution buses in the plurality of modules are collected into the same power distribution bus, and the power distribution bus is provided with a current switch for controlling the power distribution bus. The liquid cooling system cools and dissipates heat for the computing power service cabinet system through circulation of a medium. The plate unit serves as a bypass branch of the liquid cooling system and undertakes the heat exchange function of the liquid cooling system in part or in whole. The pump station control system provides power for the circulation of the medium. The application has high integration, small space occupation, high density in unit space, and is safe and reliable.

This utility model discloses a slurry precise proportioning and mixing device, which includes a material cylinder, a liquid feeding unit and a solid feeding unit on the material cylinder, and a solid-liquid mixing unit inside the material cylinder. The liquid feeding unit, the solid feeding unit and the solid-liquid mixing unit are all electrically connected to a measurement and control unit. The liquid feeding unit includes a water pump connected to an external liquid storage tank. The water pump is connected to the material cylinder through a connecting pipe, and a first solenoid valve and a flow sensor are installed on the connecting pipe. The solid feeding unit includes a feeding unit, and a feeding hopper is installed below the feeding unit. A feeding valve is installed at the bottom of the feeding hopper. The feeding valve includes a valve plate that opens and closes the feeding valve by horizontal extension and retraction. A weighing platform is installed on the valve plate. The bottom of the feeding hopper is connected to the material cylinder through a material conveying unit. This solution can achieve precise control of the ratio of solid materials and liquid materials, so as to reduce the proportioning error and improve the consistency of materials.

This invention proposes a baby bottle in which a screen is installed inside the dispensing chamber. When milk flows from the receiving chamber into the dispensing chamber, it passes through the screen, which separates air bubbles from the milk, allowing the milk to flow directly into the dispensing chamber. This prevents air bubbles from entering the dispensing chamber, ensuring that the milk entering the dispensing chamber is bubble-free and thus preventing infants from drinking milk containing air bubbles, avoiding bloating, hiccups, and other issues. A waterproof component covers the pre-reserved groove, preventing external liquids from entering the mounting groove and protecting the internal electronic components. A sealing component further abuts against the waterproof component, further improving waterproof performance. Ultrasonic treatment of the fixing component creates a sealed connection between the bottom shell and the bottle body, further improving sealing. The ultrasonic treatment also ensures that the bottom shell and bottle body are bonded and fixed together as a single unit, enhancing waterproof performance.

The utility model relates to a shell-and-tube condenser with an adjustable pipeline installation structure, which comprises a condenser main body, the outer wall of the condenser main body is communicated with a first joint elbow, one end of the first joint elbow is communicated with a first rotary joint, and the other end of the first joint elbow is communicated with a second rotary joint. A first U-shaped pipe and a second U-shaped pipe which are connected through a second rotating joint are respectively communicated with a first joint elbow and a second joint elbow under the matching of the first rotating joint and a third rotating joint, and one end of the first joint elbow is communicated into an inner pipe shell of the condenser main body; the second connector elbow is connected with an external liquid output device through a connector at one end of the second connector elbow, so that the relative distance between the second connector elbow and the first connector elbow can be changed within a certain range by horizontally moving the second rotary connector, and the situation that a pipeline is too long or too short, and consequently a transfer connector needs to be externally connected is replaced. Therefore, the assembling efficiency of equipment is improved, time and labor are saved, and use and maintenance are convenient.

The invention belongs to the technical field of coal mine water locking experiments, and particularly relates to an integrated external liquid characteristic adaptive water locking experimental device and experimental method.The integrated external liquid characteristic adaptive water locking experimental device comprises a sample cylinder, an air pump and an air cylinder set, a connecting port of the air pump is connected with the interior of the sample cylinder through a first high-pressure connecting hose, and a first electromagnetic valve is installed on the first high-pressure connecting hose; the port position of the gas cylinder group is connected with the interior of the sample cylinder through a second high-pressure connecting hose, a second electromagnetic valve is mounted on the second high-pressure connecting hose, a liquid containing bin is mounted in the sample cylinder and close to the top end, a mounting plate is fixed in the liquid containing bin, and at least one third electromagnetic valve is arranged in the mounting plate; and uniform liquid distribution holes are uniformly formed in the bottom of the liquid storage bin. The device can accurately regulate and control the temperature of the external liquid, realizes the pore structure of the coal body, effectively overcomes the defect of insufficient parameter regulation and control capability of the existing device, and can vividly simulate the influence of the underground complex environment on the performance of the external liquid.

The utility model discloses a sensor structure of a micro-small-caliber electromagnetic flowmeter, which relates to the technical field of electromagnetic flowmeter sensors and comprises a mold core, an inner shell is slidably clamped on the outer surface of the middle of the mold core, and two symmetrically distributed finished coils are arranged on each of the upper side and the lower side of the inner shell. Magnetic cores are installed in the middles of the two finished coils, magnetic pole heads are slidably clamped in the middles of the two magnetic cores, flat-head set screws are installed in the middles of the two magnetic cores in a threaded mode, and one ends of the two flat-head set screws make contact with one ends of the magnetic pole heads; the flange cover of the external interface assembly can be screwed through the third bolt to press the sealing surfaces on the two sides of the end face of the mold core, so that internal liquid cannot leak, meanwhile, external liquid cannot immerse into the meter body, the sensor changes an original lining process mode, a high-cost mold extrusion mode is abandoned, and the production cost is reduced. The manufacturing cost is reduced, and the manufacturing efficiency is improved.

The invention discloses a falling-film evaporator tube bundle, a falling-film evaporator and a leveling method. The falling-film evaporator tube bundle comprises a hollow barrel, an upper tube plate, a lower tube plate, a steam distribution assembly, a plurality of heat exchange tubes and a corresponding number of tube joints, the upper tube plate and the lower tube plate are respectively connected to the upper end and the lower end of the barrel; the plurality of heat exchange tubes are connected between the upper tube plate and the lower tube plate; the steam distribution assembly is connected to the outer side of the cylinder body, is communicated with the cylinder body and is used for providing uniformly distributed steam; the pipe connector is detachably connected to the upper end of the heat exchange pipe so that external liquid can flow into the heat exchange pipe through the pipe connector. The pipe joint can move up and down relative to the heat exchange pipe so as to be adjusted to a preset height. By adjusting each pipe joint to the preset height, the required preset liquid holding height can be adjusted according to the process requirement, so that the liquid flow meets the process requirement, each heat exchange pipe keeps proper liquid flow, and the effect of uniformly distributing liquid films in the heat exchange pipes is further realized.

The invention relates to the technical field of electronic equipment heat dissipation, and provides a liquid cooling charging module heat dissipation device and a heat dissipation method thereof.The liquid cooling charging module heat dissipation device comprises a liquid cooling heat dissipation substrate, a plurality of groups of liquid cooling pipeline allocation plates, a plurality of groups of liquid cooling integrated pipelines, a liquid cooling pipeline cover plate and a cold insulation plate; the liquid cooling integrated pipelines are arranged in the liquid cooling pipeline allocation plates, the multiple liquid cooling pipeline allocation plates are arranged on the lower side of the liquid cooling heat dissipation substrate, the upper side of the liquid cooling heat dissipation substrate is fixedly connected with the charging module body, and the liquid cooling pipeline cover plates are arranged on the lower sides of the liquid cooling pipeline allocation plates. The inlet and outlet pipelines of the liquid cooling integrated pipelines are communicated with an external liquid cooling pipeline system through the liquid cooling pipeline cover plate, the cold insulation plate is arranged on the lower side of the liquid cooling pipeline cover plate, and each liquid cooling integrated pipeline is provided with a cooling liquid inlet located in the central area of the liquid cooling heat dissipation substrate and extends outwards to form a heat dissipation path. According to the invention, the heat of the charging module center can be rapidly and accurately cooled.

The utility model belongs to the technical field of batteries, and provides a battery pack and electric equipment. The battery pack comprises a box body, an anti-explosion valve and a first water immersion sensor, a containing cavity is formed in the box body, the containing cavity is used for containing a battery cell, the box body is provided with an exhaust port and a liquid collecting tank, the anti-explosion valve is arranged at the exhaust port, the exhaust port is communicated with the containing cavity, the liquid collecting tank is communicated with the exhaust port, and the first water immersion sensor is arranged in a liquid storage tank. The first water immersion sensor is used for detecting whether liquid exists in the liquid storage tank or not. According to the battery pack provided by the invention, whether external liquid leaks at the joint of the anti-explosion valve and the box body or not can be detected in time, and the reliability of the battery pack is high.

The invention relates to the technical field of microfluidics, in particular to a multi-channel device for liquid micro-flow precise control and a control method.The multi-channel device comprises a shell and an integrated base arranged in the shell, the integrated base is provided with an air source module, an air pressure adjusting module and a control module, and the shell is further provided with a pressure output port and a sensor port; each gas path is independently connected with a proportional valve and an air pressure adjusting module, closed-loop control over the proportional valve in each gas path is achieved in combination with a control module, independent control and accurate output of the air pressure value of each gas path are met, and the control module and a liquid flow sensor communication module are integrally arranged on the device. And the flow sensor connecting port is connected with external liquid flow sensor equipment, so that the precise control of a constant-current output mode of each path of independent pressure output port is realized, and the set control of different liquid flow rates is met.

The invention discloses a standard meter thread pressure balance valve for moisture resistance, water resistance and air permeability and a membrane assembly thereof. The membrane assembly comprises a waterproof and air-permeable membrane which is prepared by performing surface hydrophobic and oleophobic modification treatment on an ePTFE (expanded polytetrafluoroethylene) microporous membrane; the elastic composite body is arranged between the waterproof breathable membrane and the valve plate; the elastic valve plate is of a thin-wall structure and is provided with a dynamic opening and closing seam; the membrane assembly is arranged on an airflow channel of the pressure balance valve body, the waterproof breathable membrane is arranged at the outer side end of the airflow channel and used for blocking external liquid and dust, and the valve plate is arranged at the inner side end of the airflow channel and used for dynamically adjusting internal air pressure balance. By means of the mode, the waterproof breathable pressure-adjusting breathable film has the dual functions of water resistance, breathability and pressure adjustment, external liquid and particulate matter are prevented from entering, and the breathability can be automatically adjusted according to the pressure difference; the water vapor is controlled from the source to enter the battery pack, the internal and external pressure balance of the power battery pack is effectively solved, and the internal fogging and condensation phenomena are eliminated.