68results about How to "Barometric balance" patented technology

The utility model belongs to the technical field of cup covers, and particularly relates to a double-drinking cup cover which comprises a cover body and a turning cover which are movably connected, a locking piece for controlling the cover body and the turning cover to be relatively fixed is movably arranged on the cover body, a drinking seat is arranged on the cover body, the upper end of the drinking seat extends to form an annular convex edge, and a direct drinking groove is formed by surrounding of the annular convex edge. A water passing hole is formed in the bottom of the direct drinking groove, a sucking hole is formed in the annular protruding edge, a straw hole communicated with the sucking hole is formed in the cover body, and the straw hole and the sucking hole are vertically formed, axially staggered and connected through a transversely-extending transition hole. And a sealing piece for sealing the direct drinking groove and the sucking hole is arranged on the turning cover. The utility model aims to provide the double-drinking cup cover which is simple in structure and convenient for a user to use.

The utility model belongs to the technical field of nasal cavity irrigating tools, and discloses an air bag type nasal cavity irrigator, the upper end of a liquid containing air bag is detachably connected with an irrigating head, the upper end of the irrigating head is connected with an elbow joint, and the other end of the elbow joint is sleeved with an irrigating pipe; a one-way liquid outlet valve is arranged in the middle of the flushing head, and a one-way air inlet valve is installed in the middle of the lower end of the liquid containing air bag. The liquid containing air bag is used for containing cleaning liquid, the springback strength is high, extrusion can be conveniently carried out, the flushing continuity is guaranteed, the liquid containing air bag, the flushing head, the connecting bent pipe and the flushing pipe are assembled and combined, disassembly and cleaning are convenient, cleaning of all assemblies is guaranteed, the one-way liquid outlet valve is embedded in the middle of the flushing head, and the flushing efficiency is improved. The cleaning fluid in the pipeline can be prevented from flowing back, the cleaning fluid in the fluid containing air bag is prevented from being polluted, meanwhile, balance of air pressure in the fluid containing air bag can be guaranteed through the one-way air inlet valve, the cleaning fluid can flow out conveniently, the overall structure is simple, and the manufacturing cost is low.

The utility model discloses a PCR instrument's sample adding mechanism, including instrument main part and sample adding seat, the upper end face of instrument main part is equipped with the sample placing seat, the one side of instrument main part is equipped with the receiving groove, the side edge of receiving groove is movably equipped with the sealing plate, the inner side of receiving groove is equipped with the positioning receiving seat and the telescopic rod, and the telescopic rod is equipped with the positioning receiving seat and the telescopic rod. The bottom end of the telescopic rod is connected with the instrument main body through a second knob, a sample adding seat is mounted at the upper end of the telescopic rod, and a plurality of sample adding assemblies are mounted on the inner side of the sample adding seat; the sample adding assembly comprises a locking ring, an annular indicator lamp is arranged in the locking ring, a sample placing tube is mounted on the inner side of the locking ring, and a plugging cover is mounted at the upper end of the sample placing tube. The automatic sample adding device has the advantages that by displaying and accurately controlling the adding state and quantity of each sample, the stable adding of the samples can be effectively ensured, and the difficulty of manually adding the samples is effectively reduced.

The solid beverage is prepared from deep sea fish oil, sesame oil, walnut oil, N-acetylneuraminic acid, radix astragali, radix codonopsis, rhizoma polygonati, fructus alpiniae oxyphyllae, rhizoma dioscoreae, poria cocos, fructus corni, fructus lycii, herba menthae, beta cyclodextrin and white granulated sugar, and the solid beverage is prepared by blending, potting, packaging and inspecting. And the solid beverage with the effects of protecting heart and blood vessels, strengthening brain and improving intelligence is obtained. The deep sea fish oil, the sesame oil, the radix astragali, the radix codonopsis and the rhizoma polygonati are powder prepared after spray drying. According to the solid beverage capable of protecting the heart and blood vessels, strengthening the brain and improving intelligence and the preparation technology and device, the effects of protecting the heart and blood vessels, strengthening the brain and improving intelligence can be achieved at the same time, and the product adopts medicinal and edible raw materials and is scientific in compatibility, safe and effective; a set of device is also designed in the scheme, so that the mixing uniformity and sufficiency of the powdery beverage are ensured, the mixing time is shortened, and the production efficiency is improved.

The utility model provides a centrifuge dehydration barrel device for high water absorbent resin water retention detection relates to experimental equipment auxiliary device technical field. The device includes accommodating component and seal cover, wherein the top opening of accommodating component is detachably connected with seal cover, at least two accommodating cavities are arranged in accommodating component, accommodating component is matched with dehydration barrel on numerical control electric centrifuge, and the whole assembly formed by accommodating component and seal cover can be placed in dehydration barrel. The utility model mainly applies to the experimental scene that needs to carry out spin -dry processing to detection material through numerical control electric centrifuge, can effectively fix material cloth bag and prevent material leakage and splash.

The invention relates to the technical field of vibration measurement, and discloses a magnetoelectric displacement detection device for a hydro-generator, which comprises a protection constant-pressure mechanism, an isolation constant-pressure mechanism is arranged at the top of the protection constant-pressure mechanism, a resonator mechanism and a quasi-zero stiffness mechanism are respectively arranged in the protection constant-pressure mechanism, and the isolation constant-pressure mechanism is arranged at the bottom of the protection constant-pressure mechanism. The quasi-zero stiffness mechanism is located below the resonator mechanism, and the resonator mechanism is located between the supporting protection mechanism and the isolation constant-pressure mechanism. According to the magnetoelectric displacement detection device for the hydro-generator and the use method of the magnetoelectric displacement detection device, through the arrangement of a protection constant-voltage mechanism, an isolation constant-voltage mechanism, a resonator mechanism and a quasi-zero stiffness mechanism, the stiffness of a system can be changed into quasi-zero stiffness by controlling the magnitude of currents of an upper-layer electromagnet and a lower-layer electromagnet, and the detection accuracy is improved. The effective detection bandwidth of the system is promoted to be expanded to a low-frequency band, so that the purpose of collecting low-frequency signals is achieved.

The invention relates to an air supply mechanism for a reservoir drainage facility, and belongs to the technical field of reservoir drainage, the air supply mechanism comprises a drainage pipe, an air inlet pipe is fixedly mounted on the surface of the drainage pipe, an air inlet mechanism is arranged on the air inlet pipe, the air inlet mechanism comprises a mounting ring fixedly mounted on the inner side of the air inlet pipe, and an air inlet turbine is rotatably mounted on the inner side of the mounting ring; a connecting rod extending into the water discharging pipe is fixedly installed at the bottom of the air inlet turbine, and a driving wheel is fixedly installed at the bottom of the connecting rod. According to the air supply mechanism for the reservoir drainage facility, the mounting ring is arranged in the air inlet pipe, the air inlet turbine is arranged on the mounting ring, and the connecting rod and the driving wheel are arranged on the air inlet turbine, so that the driving wheel can be driven to rotate through water flow in the drainage pipe when the air supply mechanism is used, and then the driving wheel can drive the connecting rod and the air inlet turbine to rotate; external air is pumped into the water discharging pipe through the air inlet turbine, so that the air pressure in the water discharging pipe is kept balanced, and then the water discharging pipe can be prevented from vibrating.

The invention relates to a hygrothermal aging test technology, in particular to a test method for accelerated hygrothermal aging of a single face of a winding shell. Air in a shell cavity is heated before the shell is sealed, so that air pressure inside and outside the shell is balanced when a damp-heat aging test is carried out, the influence of internal pressure or external pressure load on the shell in the test is eliminated, and a sealing plug is ensured not to be ejected out. In the test process, the measure of regularly changing the laying direction is adopted to eliminate the material creep effect caused by the dead weight of the test piece. By adopting the test method, the key part of the metal joint of the scaled part can be prevented from rusting; aging of a metal joint and a wound composite material interface is prevented; an inner cavity of the winding shell is isolated from a humid and hot environment as far as possible; therefore, the single face of the winding shell structure is in an accelerated damp-heat aging environment which is close to the erosion condition of damp-heat conditions to winding shell materials in a natural storage state.

The application discloses a window assembly, a monitoring device and a semiconductor process equipment, and belongs to the technical field of semiconductors. The window assembly comprises a mounting base, a protective window and an observation window. The mounting base is provided with a light transmission channel. The protective window is arranged in the light transmission channel. A first end of the light transmission channel is used for being opposite to a monitoring hole of a process chamber of the semiconductor process equipment. The observation window is connected with the mounting base and is opposite to a second end of the light transmission channel. The mounting base is further provided with at least two voltage stabilizing channels. The voltage stabilizing channels are symmetrically arranged on two sides of an axis of the light transmission channel. The protective window divides the light transmission channel into a first channel part and a second channel part. First ends of the voltage stabilizing channels are in communication with the first channel part. Second ends of the voltage stabilizing channels are in communication with the second channel part. The monitoring device comprises the above-mentioned window assembly and a signal processor. The signal processor is connected with the window assembly, and a signal interface of the signal processor is opposite to the observation window.

The utility model discloses a eustachian tube tampon with built-in support, eustachian tube tampon includes: tampon body and bellows support, tampon body includes big cone section and small cone section, and the narrow end of big cone section is connected with the narrow end of small cone section, and the conical cavity is formed in big cone section, and the straight hole passageway that is linked with conical cavity is equipped in small cone section, one end of bellows support is equipped with the multi -claw expansion head for the outside elastic open, when tampon body is sent into the specified position of eustachian tube, bellows support is placed in straight hole passageway, and multi -claw expansion head is placed in conical cavity and is outwardly braced open big cone section, to with eustachian tube isthmus department fixed tampon body, and big cone section of tampon body is close to nasopharynx, and the close adhesion with eustachian tube can be made through the bracing open of multi -claw expansion head, and the sound isolation is formed.

The invention provides clothes treatment equipment. The clothes treatment equipment comprises an outer cylinder and a drying system; a drying air inlet and a drying air outlet are formed in the outer cylinder; the drying system is connected between the drying air inlet and the drying air outlet and comprises a condensation air duct, a heating air duct and a drying fan connected with the condensation air duct and the heating air duct, the drying fan is a double-suction fan, and the drying fan is used for providing power for drying airflow; the condensation air duct comprises an outer condensation air duct formed on the outer side of the rear wall of the outer cylinder and an inner condensation air duct formed on the inner side of the rear wall of the outer cylinder; under the condition that less condensate water is required, the drying effect is improved, the utilization rate of the condensate water is improved, and water and energy are saved; the load of the drying fan 5 is reduced, and the accumulation phenomenon of drying airflow humidity is avoided; fresh air in the environment where the clothes processing equipment is located can enter the fan blade cavity and be mixed with the drying airflow, and the quality of the drying airflow can be improved by introducing the fresh air; drying airflow makes full contact with condensate water, the heat exchange area is large, and the condensation efficiency is high.

The invention discloses a box-type combined transformer for a power distribution network, and relates to the technical field of combined transformers, in particular to the box-type combined transformer for the power distribution network, which comprises a bottom plate, a supporting plate, a cabinet body, a flashing board, a power distribution assembly body, a cooling system mechanism and a wire inlet mechanism, the cooling system mechanism comprises a cooling device and an air exchange device, the cooling device comprises cooling pipes and a connecting trough plate, the air exchange device comprises an air exchange panel, an air inlet channel, an air exchange pump and a connecting pipeline, the multiple cooling pipes are evenly fixed to the connecting trough plate and penetrate through the cabinet body to be discharged, and an air suction structure of the cooling pipes extracts high-temperature air in the cabinet body; the cooling pipe is connected with the inner side surface of the cabinet body and surrounds the power distribution assembly body on the cabinet bottom plate in a C-like shape; the sealing plate divides the space below the independent cabinet into an exhaust channel and an air inlet channel, exhaust holes are formed in the two ends, close to the supporting plate, of the ventilation panel, and the two ends of a ventilation pump in the exhaust channel are connected with a cooling pipe and an exhaust pipe respectively. The wire inlet mechanism comprises a wire inlet hole, a conical cylinder, an elastic plate and a clamping cylinder.

The utility model discloses a mechanical counterweight and water seal dual safety protection positive and negative pressure protector which comprises a protection box, a pressure relief pipe is arranged above the protection box, a pressure relief plate is arranged above the pressure relief pipe, a counterweight block is arranged above the pressure relief plate, a first fixing rod is arranged on the right side of the counterweight block, a rotating rod is arranged on the upper side of the first fixing rod, and a second fixing rod is arranged on the right side of the rotating rod. When the biogas production rate is too high, the biogas continuously enters the protection box, the air pressure in the protection box is continuously increased, and when the air pressure in the protection box is larger than the external air pressure, the biogas pipe is arranged on the left side of the protection box, and the biogas pipe is arranged on the right side of the protection box. The water level in the protection box continuously drops to be lower than the pressure relief pipe, the biogas enters the pressure relief pipe to push the pressure relief plate to be opened, the biogas is discharged, and the air pressure in the protection box and the external air pressure are kept balanced.

The invention discloses an electronic cigarette. The electronic cigarette comprises a shell, a mounting base, a valve assembly and a shifting assembly. The shell comprises a first sub-shell and a second sub-shell which are connected with each other, an oil storage cavity is formed in the first sub-shell, and an oil supply cavity is formed in the second sub-shell; the mounting seat is arranged between the oil storage cavity and the oil supply cavity, an oil passing channel is formed in the mounting seat, and the oil storage cavity, the oil passing channel and the oil supply cavity are sequentially communicated; the valve assembly is arranged in the shell and movably connected with one side of the mounting base, and the valve assembly is used for closing or opening the oil passing channel; the shifting assembly is arranged outside the shell and is movably connected with the shell; the shifting assembly and the valve assembly attract each other, and the valve assembly can be driven by the shifting assembly to move so as to close or open the oil passing channel. The electronic cigarette is not prone to oil leakage.

The invention relates to the technical field of ink-jet printing, in particular to a piezoelectric film spray head and ink-jet printing equipment, and the piezoelectric film spray head comprises a first ink inlet flow channel, an ink return flow channel and a plurality of first ink cavities which are all arranged in the spray head; each first ink cavity comprises an ink jet preparation cavity, an ink cavity elastic vibration plate, an ink inlet throttling part, an ink return throttling part and a jet hole, the first ink inlet flow channel is communicated with the ink jet preparation cavity through the ink inlet throttling part, and the ink return flow channel is communicated with the ink jet preparation cavity through the ink return throttling part; the ink cavity elastic vibration plate is used for extruding the ink jet preparation cavity to enable ink to be jetted out from the jet hole, a first isolation hole is formed in the bottom face of the ink inlet throttling part, and the first isolation hole communicates with the external space and the ink inlet throttling part. The first isolation hole is communicated with the external space and the ink inlet throttling part, so that pressure residual waves and clutters of inner and outer cavities of ink are quickly eliminated, and inner and outer pressures of an ink squeezing cavity of the nozzle are quickly balanced.

This invention relates to the field of aero-engine bearing testing technology, and discloses a bearing testing device, including a main shaft, a test bearing assembly, a sealing structure, and a maintenance assembly. The test bearing assembly includes a first bearing housing and a test bearing. The first bearing housing has a first air inlet. The adjusting ring of the maintenance assembly has a first end and a second end. An oil injection ring is spaced apart from the second end to form a sealing channel. A stationary ring is connected to the oil injection ring and positioned close to the second end. The first air bleed channel of the oil injection ring communicates with the second air bleed channel, and the first air bleed channel communicates with the first air inlet. The other end of the second air bleed channel communicates with the sealing channel. This invention, through the spaced arrangement of the rotating and stationary rings and the airflow guidance of the sealing channel, introduces high-temperature gas through the first air inlet of the first bearing housing and guides it into the sealing channel, recreating a real sealing scenario. This makes the bearing test verification more comprehensive and closely resembles the actual working condition, significantly improving the reference value of the test data.

The utility model relates to the field of oil storage tanks, and discloses an indoor oil storage tank supporting structure which comprises a sweeping board, moving wheels are rotatably connected to four corners of the bottom of the sweeping board, a push handle is fixedly connected to the top of the front side of the sweeping board, fixing seats are fixedly connected to the front side and the rear side of the top of the sweeping board, and opposite side walls of the two fixing seats are arc-shaped. The left ends of the fixing bases incline downwards, an oil tank is arranged on the upper portion between the two fixing bases and inclines leftwards and rightwards along the two fixing bases, the right side and the left side of the top of the oil tank are fixedly communicated with an oil inlet pipe and a ventilation pipe respectively, the outer walls of the oil inlet pipe and the ventilation pipe are in threaded connection with sealing covers, and the bottom of the left end of the oil tank is fixedly communicated with an oil discharging pipe.

The invention discloses an air pressure balance glass door structure for a commercial refrigerator and the commercial refrigerator, and relates to the technical field of refrigeration equipment.The glass door structure comprises double-layer glass, a door frame, a door sealing strip and an embedded door handle, the door frame is arranged on the periphery of the double-layer glass in a surrounding mode, and the door frame comprises a first door frame strip; the first door frame strip is hollow to form a closed air guide cavity, a door handle is embedded in the outer side face of the first door frame strip, the bottom of the door handle is provided with a hollowed-out part communicated with the air guide cavity and an inner turning plate for blocking the hollowed-out part, and the inner turning plate is only opened towards the air guide cavity so as to enable the outside to be communicated with the air guide cavity; second vent holes communicated with the air guide cavity and the interior of the refrigerator are formed in the side face, close to the refrigerator, of the first door frame strip, and the door sealing strip is arranged on the side face, close to the refrigerator, of the door frame strip and provided with a first soft edge which elastically extrudes and blocks the second vent holes. The invention is particularly suitable for a door body of a vertical commercial refrigerator with hollow glass, and air pressure inside and outside the refrigerator can be quickly balanced.

The invention discloses an automatic purification device for high-temperature dust in a hearth and a working method of the automatic purification device, and belongs to the technical field of plate glass manufacturing. The device comprises a forming furnace, an annealing furnace, an automatic detection system and a purification and dust collection system, the furnace is positioned below the forming furnace; a plurality of first dust suction pipes are mounted in hearths of the forming furnace and the annealing furnace; the first dust suction pipe is connected with the purification and dust collection system through a connecting piece; the purification and dust collection system is connected and used for collecting hot air in the forming furnace and the annealing furnace and conveying the hot air subjected to filtering and dust removal into hearths of the forming furnace and the annealing furnace again through an air supply pipe; the automatic detection system is connected with the forming furnace or the annealing furnace and used for detecting the dust concentration in a hearth of the forming furnace or the annealing furnace and feeding the dust concentration back to the purification and dust collection system through the PLC control system. According to the invention, the concentration of tiny dust in the hearth can be detected on line, and the tiny dust in the hearth can be purified, so that the thermal adhesion defect of the glass surface is reduced.

The invention discloses a concrete precast beam solar curing shed and a curing control method thereof, and relates to the technical field of concrete curing, the concrete precast beam solar curing shed comprises a curing shed main body, the curing shed main body is composed of a shed frame and a first tarpaulin, a second tarpaulin is arranged on the outer side of the first tarpaulin, and an air chamber is formed between the second tarpaulin and the first tarpaulin; a solar panel is arranged at the top of the shed frame and electrically connected with a storage battery, a plurality of first ventilation pipes are arranged in the first awning cloth and connected with an air heater, the solar panel, the storage battery and the air heater are all located outside the second awning cloth, and the air heater is electrically connected with the storage battery. A high-temperature and high-humidity environment is formed by continuously introducing humid and hot air and cooperating with the spraying assembly, and a heat preservation layer is formed in the curing shed by introducing hot air into the air chamber, so that external cold air is prevented from invading.

This invention relates to an electronic expansion valve, comprising a drive assembly, a screw, a valve needle, a valve seat, a bearing, and a valve needle spring. The valve seat has a fluid passage. The drive assembly drives the screw to rotate and move axially. The valve needle has an axial mounting hole inside, and its upper part has a bearing cavity to accommodate the bearing. The lower end of the screw extends into the axial mounting hole and is rotatably connected to the bearing, allowing for axial sliding. A screw retaining ring is provided at its lower end, and a screw annular protrusion is provided on its outer periphery. The valve needle spring is sleeved on the screw and confined between the screw annular protrusion and the upper end face of the valve needle. Downward movement of the screw compresses the valve needle spring through the screw annular protrusion, pushing the valve needle downward. Upward movement of the screw pushes the valve needle upward through the screw retaining ring against the bearing, thereby achieving stable axial movement of the valve needle to precisely control the opening and closing of the fluid passage. This structure achieves pure axial transmission through the bearing, effectively preventing the valve needle from rotating and vibrating with the screw. The compact layout of the valve needle spring significantly shortens the axial dimension of the valve body, improving transmission reliability and service life.

A multi-degree-of-freedom bionic manipulator belongs to the technical field of bionic manipulators and comprises a palm and fingers and further comprises a base, the base is fixedly mounted at one end of the palm, by arranging an anti-shake mechanism and a damper, the problems that the manipulator is weak in grabbing force and shakes when grabbing and releasing objects are solved, first springs are fixedly connected to the two sides of the base, and the first springs are fixedly connected to the two sides of the base. The buffer telescopic columns are sleeved with the first springs, when shaking occurs, the buffer columns are subjected to impact force, the first springs on the two sides of the base and the buffer telescopic columns are compressed, absorb and buffer the impact force, the stabilizing piece is composed of second springs and hydraulic buffer rods, and the second springs are sleeved with the outer surfaces of the hydraulic buffer rods. And one end of the hydraulic buffer rod is fixedly installed in the stabilizing seat, the stabilizing seat is rotationally connected with the limiting plate through the movable block, and when the buffer column is subjected to impact force, the second springs in the stabilizing pieces on the two sides of the fixing sleeve and the hydraulic buffer rod start to work, and the impact force generated by shaking is further absorbed and buffered.

The application provides an electronic heating atomization unit and device with a ventilation micro-groove structure. The electronic heating atomization unit comprises a main body, a first sealing member and an atomization core. The main body comprises a base and a protruding part arranged on the main body. The protruding part is provided with a protruding part ventilation hole for communication between the inside and the outside. The first sealing member is arranged at one end of the protruding part provided with the protruding part ventilation hole. A ventilation micro-groove structure is arranged between the first sealing member and the protruding part for guiding airflow from the outside of the protruding part to the protruding part ventilation hole. The electronic heating atomization device comprises a shell and the electronic heating atomization unit. The electronic heating atomization unit and device have simple structure and are convenient to assemble, and the sealing required between parts is reduced. Through the cooperation of the protruding part of the main body and the first sealing member and the ventilation micro-groove structure, sealing is realized while the liquid storage bin ventilation function is considered, and the stability of liquid supply to the atomization core is ensured.

The utility model discloses a diaphragm type sound pressure optical microphone, and belongs to the technical field of microphones. Comprising a microphone shell and a sealing cover, a groove is formed in the upper end of the microphone shell, the groove and the microphone shell are of an integrated structure, pickup holes are formed in the front end and the rear end of the groove, a cavity is defined by the microphone shell and the sealing cover, and a round hole is formed in the bottom of the microphone shell. According to the utility model, the problems of general frequency response characteristic and general noise reduction performance of the microphone in the prior art are solved, and the aperture ratio of the microphone is increased by arranging the two grooves and the pickup holes on the upper end face of the microphone shell, so that external sound can directly act on the optical fiber assembly through the pickup holes, and the noise reduction performance of the microphone is improved. The effective bandwidth of the microphone is improved, and the microphone shell is a metal shell, so that the microphone shell has relatively good structural strength and also has an electromagnetic shielding effect, and the anti-interference capability of the microphone is enhanced.

The utility model provides a ventilation film structure and an anti-swelling feeding bottle, which comprises a bonding layer and a film layer for ventilation, and the film layer is arranged on one side surface of the bonding layer, so that the film layer is adhered to the bottom of the feeding bottle through the bonding layer. The ventilation thin film structure has the advantages that the ventilation thin film structure is fixed to the through hole in the bottom of the feeding bottle body, air can pass through the ventilation thin film structure, liquid cannot pass through the ventilation thin film structure, external air can enter the feeding bottle through the ventilation thin film structure for ventilation, air pressure balance inside and outside the feeding bottle is achieved, and the feeding bottle is prevented from flatulence.

The utility model belongs to the technical field of nasal cavity flushing tools, and discloses an integrated nasal cavity flusher which is characterized in that the inner side of a cleaning bottle is filled with cleaning fluid, the upper end of the cleaning bottle is fixedly connected with a connecting cover, the middle of the connecting cover is connected with a connecting pipe, and the other end of the connecting pipe is connected with a flushing pipe; a nozzle is connected to the outer end of the flushing pipe, a flushing opening is formed in the middle of the outer end of the nozzle, a sealing film wraps the outer side of the nozzle, and a protective cover covers the outer side of the nozzle. According to the nasal cavity irrigator, the cleaning bottle, the connecting cover, the connecting pipe and the irrigating pipe are integrally arranged, and the inner side of the cleaning bottle is filled with the cleaning liquid, so that when the nasal cavity irrigator is used, only the sealing film and the protective cover need to be taken down, and the nasal cavity irrigator can be used at any time and is convenient to use; the flushing opening is sealed through the sealing film and the protective cover, internal cleaning liquid can be prevented from being polluted, the whole device is convenient to carry, the use requirements of patients suffering from rhinitis and the like can be met anytime and anywhere, and pain of the patients is relieved.

The invention relates to the technical field of control cabinets, in particular to a transformer substation intelligent operation and maintenance risk management and control information system which comprises a cabinet body, a smoke sensor is installed in the cabinet body, a cabinet door is hinged to the front end of the cabinet body, reserved grooves are formed in two side plates of the cabinet body, and splicing frames are inserted into the reserved grooves. Connecting plates are integrally formed at the upper end and the lower end of the splicing frame, the connecting plates are fixed to side plates of the cabinet body through screws, a movable frame is slidably connected into the splicing frame, and an electric telescopic rod is arranged on the surface of the movable frame; the intelligent operation and maintenance risk management and control information system for the transformer substation has the beneficial effects that the assembling frame and the moving frame are arranged on the side plates of the cabinet body, heat dissipation holes are formed in the assembling frame and the moving frame, convection heat dissipation in the cabinet body is achieved, meanwhile, the moving frame can slide in the assembling frame, opening and closing of the heat dissipation holes are controlled through stretching and retracting of the electric telescopic rods, and the operation and maintenance risk management and control information system is convenient to use. Therefore, the heat dissipation effect in the cabinet body can be adjusted according to actual needs.

This utility model discloses a roller-hearth type protective atmosphere bright solution furnace with balanced internal gas pressure. The gas pressure at both ends of the rapid cooling section is basically balanced, and the gas pressure in the gas exchange section and the slow cooling section is also basically balanced, effectively isolating the furnace from the external oxidizing atmosphere. The roller-hearth type protective atmosphere bright solution furnace of this utility model includes, along the material flow direction, interconnected gas exchange section, heating section, rapid cooling section, and slow cooling section. The rapid cooling section has a cooling chamber and an air inlet pipe connected to the cooling chamber. The rapid cooling section also has a gas cooling circulation device for extracting process gas from the cooling chamber for cooling and pumping the cooled low-temperature process gas back into the air inlet pipe. A process gas inlet is provided between the heating section and the rapid cooling section for pumping low-temperature process gas into the chambers of the heating section and the rapid cooling section. The air inlet pipe and the process gas inlet are located at the inlet and outlet ends of the rapid cooling section, respectively.

The invention discloses an active pressure release valve control method for air conditioner joint control, and relates to the technical field of vehicle engineering. If it is obtained that the vehicle is in the normal running mode, the vehicle door opening and closing state, the vehicle window opening and closing state, the air conditioner running state and in-vehicle environment information are detected; under the working conditions that a vehicle door is closed, a vehicle window is closed and an air conditioner is started, when the in-vehicle environment information parameter reaches a preset threshold value, the pressure release valve is controlled to be closed; when the in-vehicle environment parameters do not reach the preset threshold value, the pressure release valve is controlled to be opened or intermittently opened; if it is obtained that the vehicle is in the uphill and downhill mode, in-vehicle environment information is detected; when the in-vehicle environment information parameter reaches a preset threshold value, the pressure release valve is controlled to be in a closed state, when the in-vehicle environment information parameter exceeds the preset threshold value, the pressure release valve is controlled to release pressure in a small-opening, multi-frequency and staged mode, and when the in-vehicle environment information is abnormal, the opening degree of the pressure release valve is controlled, air conditioner external circulation is started, and air pressure inside and outside the vehicle is balanced.

This utility model provides a handle structure and its refrigeration device, which is set on the opening side of the refrigeration device door. The refrigeration device includes a door and a housing. The edge of the door is provided with a door seal. The handle is characterized by including an outer handle and an inner handle. The outer handle is fixedly connected to the door. The inner handle includes a connecting rod, an inner handle frame, and a partition. The connecting rod has a scissor-fork structure with a short lever arm and a long lever arm. A strip-shaped connecting hole is provided at the intersection of the connecting rods. A hinge pin is provided in the strip-shaped connecting hole and is slidably hinged to the connecting rod. The hinge pin is located on the side wall of the door. The inner handle frame is located inside the outer handle and is hinged to the long lever arm side of the connecting rod. The partition is located between the door seal and the housing. The connecting rod transmits the pulling force of opening the door to the partition, separating the door seal from the housing to create an opening so that some air can enter the housing from the opening, thereby balancing the air pressure inside and outside the housing. This handle makes opening the door easier.