26results about How to "Large circulation" patented technology

The invention discloses tea polyphenol component detection equipment for jasmine tea and a detection method thereof. The tea polyphenol component detection equipment comprises a spectrophotometer host, and the lower end of the spectrophotometer host is fixedly connected with a bottom support bin. Through the arrangement of the grinding box and the crushing knife rest, in the use process, jasmine tea needing to be detected is placed in the grinding box, then the pressing frame is assembled, through the pressing frame and second filter cloth, the movable space of the jasmine tea is limited, the jasmine tea is made to be close to the crushing knife rest, and therefore the crushing speed is increased; a solvent is placed in the grinding box, separation of tea polyphenol is accelerated through rotation of the crushing knife rest, meanwhile, sufficient extraction of the tea polyphenol can be guaranteed, the solution is directly filtered through the second filter cloth, the solution is taken out through the suction pipe and placed in the cuvette, then the cuvette is placed in the sample chamber, detection can be conducted, overall use is simple, and the detection efficiency is high. The device can directly measure on site, integrates components required by detection into a whole, and is convenient to carry.

The invention relates to the technical field of gas sensors, and discloses a multifunctional gas sensor and a preparation method thereof.The gas sensor comprises a shell assembly and a fixing assembly, the shell assembly is used for protecting an internal circuit structure, and the fixing assembly is used for installing the shell assembly to an area needing to be detected; by arranging the elastic silk screen, the diameter of the through hole in the expansion pipe is increased in the expansion process of the expansion pipe, in this way, pulling force can be applied to the elastic silk screen, the elastic silk screen is completely unfolded, and in the expansion process of the expansion pipe, due to the fact that the size of the expansion pipe is increased all the time, the circulation amount of the expansion pipe is increased; furthermore, gas in the gas supply pipe can quickly pass through the expansion pipe, gas accumulation at the expansion pipe is relieved, the heat volatilization efficiency during gas flowing is improved, impurities in the gas can be filtered and blocked through expansion of the elastic silk screen, the impurities in the gas are prevented from entering the gas sensing element, and the gas sensing element is prevented from being damaged. The detection result of the gas concentration is influenced.

This invention discloses a power supply device for safety engineering equipment on construction sites, relating to the field of power supply devices. It includes a power cabinet and multiple batteries. The power cabinet is cylindrical with a notch on one side, where a side filter is installed. It should be noted that, in this embodiment, when the batteries are in use, the radial layout effectively increases the gap between batteries while ensuring the number of batteries is sufficient, increasing airflow and improving heat dissipation. A combination of central heat dissipation and rotating lateral heat dissipation ensures uniform heat dissipation for each battery, eliminating localized hotspots, improving heat dissipation efficiency, extending battery life, and reducing maintenance costs and replacement frequency. Furthermore, the sliding filter plate can slide open, directly exposing the batteries to further enhance heat dissipation. When not dissipating heat, it closes, providing ample protection against dust, moisture, and impact.

The present invention relates to the technical field of gas generator sets, and specifically to a container-type gas generator set, comprising: an air-cooled heat dissipation mechanism, wherein the air-cooled heat dissipation mechanism comprises a plurality of wind wheels for heat dissipation, wherein the central axes of the plurality of wind wheels are fixedly connected to a rotating shaft, and the outer wall fixed sleeve of the rotating shaft is provided with three concentrically arranged first gears. When the heat generated by a certain generator set increases, the heating condition of the generator set is monitored by a thermistor, and a signal is transmitted to a PLC controller, and since the thermistor is heated and its resistance decreases, the second gear is moved upward by an adaptive adjustment component, and the driving motor is controlled to stop running by the PLC controller, and the driving motor is pushed forward by an electric telescopic rod, thereby driving the second gear to move synchronously, so that the second gear is meshed with the first gear with a relatively small diameter, thereby increasing the rotation speed of the wind wheel.

The present invention relates to the field of battery heat dissipation technology, and in particular to a new energy vehicle battery radiator, including a heat dissipation mechanism, the heat dissipation mechanism including a first plate, a second plate, an evaporation plate and a connection assembly, a plurality of second plates are provided, the plurality of second plates are fixedly mounted on the first plate, the plurality of second plates are arranged along a first direction on the first plate, the first direction extends along a horizontal direction, a spacing is provided between two adjacent second plates, a plurality of single cells are provided in a housing, and the plurality of single cells are arranged along the first direction, and each single cell is in contact with the first plate and the second plate adjacent thereto. Through the coordinated arrangement of the plurality of second plates and the plurality of single cells, the single cells are divided into a plurality of separate parts, an evaporation plate is provided in each second plate, and each single cell can be cooled down separately, thereby improving the heat dissipation effect.

The utility model is suitable for the field of valve execution components, and provides a pneumatic diaphragm head dual-drive execution mechanism which comprises a balance bin internally provided with a cavity, a guide hole formed in the side wall of the cavity and a push rod moving in the direction of the guide hole. An expansion film connected with the push rod is mounted in the cavity; a manual driving structure for driving the push rod to move is arranged above the balance bin and comprises a sleeve arranged at the end of the push rod in a sleeving mode, a locking structure arranged at the connecting position of the sleeve and the push rod to achieve positioning switching of the sleeve and the push rod and a handheld driving piece installed on the rack. The handheld driving piece is connected with the end of the sleeve through a transmission assembly. During pneumatic driving, the locking structure cancels positioning, and the sleeve and the push rod can slide relatively; during handheld driving, the locking structure is locked and positioned, and the sleeve and the push rod are in a positioning state, so that switching work under the dual-driving mode of pneumatic driving and handheld driving can be realized, and the problem that valve flow regulation is urgently needed due to the fact that pneumatic driving cannot work when the air pressure supply assembly is maintained is effectively solved.

The invention discloses a high-power charging module capable of intelligent cooling, and relates to the technical field of charging modules, the high-power charging module comprises a box body used for installing and protecting parts of the charging module, the end part of the box body is fixedly provided with function keys used for operating the charging module, and one side of the box body is fixedly provided with cooling fin plates used for cooling at equal intervals. The real-time temperature of the core working module is continuously monitored through the built-in intelligent temperature control system, once the temperature of the working module is monitored to rise to a safety threshold value of 85 DEG C, the system can be immediately activated, the cooling measure is automatically executed, and the ventilation grooves in the heat dissipation fin plates on the side face of the box body are opened, so that air circulation in the box body is enhanced, and the service life of the box body is prolonged. The temperature of the working module is effectively dispersed and reduced, the purpose of active cooling is achieved, and when the temperature of the working module falls back to the safe 80 DEG C, the active cooling assembly intelligently responds again, but the active cooling assembly executes the opposite operation of closing the ventilation grooves in the heat dissipation fin plates at this time.

The utility model belongs to the technical field of engine heat dissipation, and particularly relates to an engine cooling air duct structure which comprises a cylinder head, an air guide cover and a cylinder head shell, the air guide cover is installed on one side of the cylinder head, the cylinder head shell is installed on the cylinder head, and the side, away from a combustion chamber, of the cylinder head and the cylinder head shell form a first air duct. A barrier plate is arranged between the cylinder head and the wind scooper, one end of the barrier plate is located above the combustion chamber, and the other end of the barrier plate penetrates through the first air duct; the barrier plate is arranged above the combustion chamber, so that airflow is not easy to flow to the upper end of the cylinder head, the air circulation amount near the combustion chamber is increased, the circulation amount distribution of all positions of the engine is more reasonable, and the heat dissipation effect is better.

The utility model provides a cascade type high-temperature heat pump system which comprises a first-stage heat pump system, a second-stage heat pump system and a water supply system, the first-stage heat pump system comprises an enthalpy spraying compressor, a four-way valve, a first-stage heat exchanger, an evaporation assembly, a first-stage throttler and a separator, and the enthalpy spraying compressor is provided with an exhaust port, an air return port and an enthalpy spraying port. The evaporation assembly comprises a fin type heat exchanger with a fan, the fin type heat exchanger is provided with a supercooling heat exchanger, and an exhaust port of an enthalpy spraying compressor, a four-way valve, a first-stage heat exchanger, a first-stage throttler, the fin type heat exchanger, a separator and an air return port of the enthalpy spraying compressor are communicated and form a first-stage refrigerant circulation main path. And enthalpy spraying openings of the first-stage heat exchanger, the supercooling heat exchanger and the enthalpy spraying compressor are communicated and form an air suction loop. The environment sensible heat is fully utilized for heat exchange, the preheating effect is remarkable, a traditional electric auxiliary heating mode is replaced, the energy utilization rate is increased, the use cost is reduced, meanwhile, freezing and icing are effectively prevented, and the device is suitable for being used in the ultralow-temperature environment.

The utility model relates to the technical field of iris valves, and discloses a high-sealing iris valve which comprises a mounting seat, a supporting plate is fixedly mounted on the side face of the mounting seat, and a valve body is fixedly mounted at the end of the supporting plate. Due to the design of the valve plates, the main sealing strip, the secondary sealing strip, the main sealing groove and the secondary sealing groove, opening and closing operation is achieved through mutual matched rotation of the six valve plates, and meanwhile the main sealing strip and the secondary sealing strip between every two adjacent valve plates are in an embedded state with the main sealing groove and the secondary sealing groove all the time. The main sealing strip and the secondary sealing strip are matched with the main sealing groove and the secondary sealing groove, the main sealing strip and the secondary sealing strip move along with the valve plates in the moving process and are embedded along with the valve plates in the closing process, and therefore two layers of crossed areas are formed between the contact faces of every two adjacent valve plates, and poor sealing performance caused by excessive abrasion of the smooth faces is prevented. According to the technical scheme, the sealing performance of the contact faces between the valve plates is improved, and the technical problem that the sealing performance is poor is solved.

The utility model provides a direct-current variable-frequency high-temperature heat pump system which comprises a first-stage heat pump system, a second-stage heat pump system and a water supply system which is respectively connected with the first-stage heat pump system and the second-stage heat pump system. An intermediate heat exchanger capable of overlapping the first-stage heat pump system and the second-stage heat pump system and enabling heat absorbed by the first-stage heat pump system to be transmitted to the second-stage heat pump system is connected between the first-stage heat pump system and the second-stage heat pump system, and the intermediate heat exchanger is connected with a refrigerant storage circulation branch for the first-stage heat pump system to store part of refrigerant. The refrigerant circulation branch is connected to the first-stage heat pump system, the first-stage heat pump system is connected with an enhanced vapor injection loop, and the second-stage heat pump system is provided with an economizer used for supercooling heat exchange with the enhanced vapor injection loop. The two-stage cascade heat pump system adopting the structure is high in operation stability, the heating energy efficiency is greatly improved, the system performance is improved, and high-temperature hot water can still be continuously discharged in a low-temperature environment.

The present invention provides a method for cultivating taro phytophthora-resistant plants, and relates to the technical field of taro phytophthora-resistant plants. The method for cultivating taro phytophthora-resistant plants comprises the following steps: according to the environmental requirements of the land to be transplanted, selecting a cultivation seed taro suitable for the land to be transplanted; germinating the selected seed taro for 10 days, peeling the terminal bud under a sterile environment, and carrying out tissue culture in a test tube through a culture medium, cultivating for 90-150 days, until the taro seedlings have 3-5 leaves, and the main root system is about 6-10cm, and then transplanting to a nutrient pot on the seedbed for 30-40 days; evenly applying phosphorus and potash fertilizers to the above-mentioned taro seedlings, and spraying bactericides; moving the above-mentioned taro seedlings to the land to be transplanted, and transplanting according to the transplanting standard; controlling the ambient air humidity to 60-75%, and performing shading treatment, moisturizing and shading management for 10-15 days, and maintaining humidity and improving light after 7 days. The present invention controls the growth environment of the plant to adapt it to the external climate, is conducive to the growth and development of the plant, and improves the survival rate and resistance.

The utility model discloses a box-type wide channel flat plate heat exchanger, which relates to the technical field of heat exchangers, and comprises a bottom plate, the top end of the bottom plate is fixedly connected with four supporting legs in a rectangular array, the top ends of the supporting legs are fixedly connected with a heat exchange mechanism, and the left part of the top end of the bottom plate is fixedly connected with a cooling mechanism. The heat exchange mechanism comprises a box body, the bottom end of the box body is fixedly connected with the top ends of the supporting legs, and the cooling mechanism comprises a cooling water tank. According to the box-type wide-channel flat plate heat exchanger, if the corners of the material distributing pipes are blocked, the outer walls of the bolts are not in contact with the inner wall of the box body any more by screwing out the bolts, and then the material distributing pipes can be pulled to drive the elastic sealing strips to slide on the inner wall of the box body; and the outer wall of the elastic sealing strip is not connected with the inner wall of the box body in an inserted mode any more, so that the material distribution pipe can be taken out and cleaned, and the effect of being convenient to disassemble and clean is achieved.

The invention provides a gas detection probe which comprises a shell and a detection element, the shell comprises a first shell, the first shell is provided with a first inner cavity and more than two first through holes, and the first inner cavity is an open cavity; the detection element comprises a first thermistor which is located in the first inner cavity; the first shell comprises a top wall and a side wall, and the top wall and the side wall are located on the periphery of the first inner cavity. In the first direction of the gas detection probe, at least part of the side wall is close to the detection element relative to the top wall; the at least two first through holes are located in the top wall; or at least one first through hole is located in the side wall, and at least one first through hole is located in the top wall. The arrangement of the more than two first through holes enables the circulation amount of the gas in the first inner cavity and the outside gas to be increased, the first thermistor can quickly sense the temperature change caused by the gas, and the response time of the gas detection probe is shortened.

The utility model belongs to the technical field of non-woven fabric production, and particularly relates to cooling equipment for hot air non-woven fabric production. The top of the supporting seat is fixedly connected with an air cooler; the output end of the air cooler is communicated with an air pipe; a plurality of electric push rods are fixedly connected to the top of the supporting seat; the output ends of the adjacent electric push rods are fixedly connected with transverse plates. The bottom of the transverse plate is fixedly connected with an air outlet plate; a plurality of air outlet holes are formed in the bottom of the air outlet plate; the bottom of the air outlet plate is fixedly connected with elastic cloth; the bottom of the elastic cloth is fixedly connected with a pressing plate; cold air output by the air cooler is sprayed out through the air outlet holes after flowing through the air pipe and flows to the surface of the non-woven fabric along the elastic cloth, so that the device controls a cold air flowing path, the cold air reaches the surface of the non-woven fabric more intensively, the amount of air reaching the surface of the non-woven fabric is increased, and the time for fixing the shape of the non-woven fabric is shortened. And the cooling effect of the device on the non-woven fabric is improved.

The present application belongs to the technical field of home air cushion, especially to a self-adaptive device of pneumatic mattress and its using method, the device comprises a user posture collecting system, a self-adaptive angle adjusting system, an angle locking system and a buffer system, the existing pneumatic mattress does not conform to the ergonomic design, long-time use of the flat type mattress will make the body in an unnatural position and posture, causing the user's sleep to be affected, in the present application, the combination of the upper end conductive coating and the lower end conductive coating in the user posture collecting system completes the collection of user posture, better improves the user experience, then the combination of the bending plate and the threaded column assembly in the self-adaptive angle adjusting system adjusts the angle of the pneumatic mattress head cushion and the pneumatic mattress tail cushion at the characteristic time or posture set by the user, increases the intelligence of the self-adaptive adjustment of the pneumatic mattress, the locking gear and the angle cutting block of the angle locking system improve the stability of the equipment use, and the buffer system improves the service life of the equipment.

The invention discloses a process for synthesizing methane chloride from PVA (polyvinyl alcohol) byproduct methyl acetate. The process comprises a catalytic reactor, a first rectifying tower, a second rectifying tower and the like. A PVA byproduct methyl acetate is used as a raw material, a methyl acetate hydrolysis endothermic reaction and an exothermic reaction for synthesizing methane chloride from methanol and hydrogen chloride gas are simultaneously completed in a reactor, a hydrolysis reaction product methanol and a synthesis reaction product water are mutually reaction raw materials, the consumption of the reaction products promotes chemical equilibrium to be carried out in a positive direction, and the reaction degree is more thorough. The problem that azeotrope formed by methyl acetate hydrogenation and methanol is difficult to separate can be avoided. The method not only has the characteristics of novelty, simple process, easiness in separation of reaction products, energy conservation, consumption reduction and the like, but also provides a new method and way for deep development and application of the PVA byproduct methyl acetate.

The invention discloses a heat pump air conditioning system which comprises a compressor and a heat pump, the four-way reversing valve is connected with the compressor and is configured to change the flow direction of a refrigerant; the indoor heat exchanger is connected with the four-way reversing valve; the outdoor heat exchanger is connected with the four-way reversing valve; the refrigerant storer is configured to store a refrigerant flowing through the refrigerant storer; the first pipeline is configured to connect the outdoor heat exchanger and the indoor heat exchanger; the branch pipeline is configured to be connected with the refrigerant storage and the first pipeline to form a refrigerant flow path; the adjustable on-off device is arranged on the first pipeline, and the adjustable on-off device is configured to adjust the flow of the refrigerant flowing through the refrigerant storage so as to adjust the refrigerant circulation amount in the air conditioning system. According to the air conditioning system, dynamic adjustment of the refrigerant circulation amount can be achieved, so that the requirements of the air conditioning system for the refrigerant amount under different working conditions are met.

The invention relates to the technical field of heat pump systems, in particular to a whole vehicle heat management method based on an injection type air supply enthalpy increasing heat pump. A traditional air-supplementing enthalpy-increasing heat pump system is complex in structure and cannot carry out effective and controllable heat exchange with various vehicle-mounted functional parts in a whole vehicle heat management system. In order to solve the problem, the invention provides the whole vehicle thermal management method based on the injection type air supply and enthalpy increase heat pump, and a stable air supply and enthalpy increase loop is constructed in a heat pump system. And the medium-pressure gaseous refrigerant in the gas-liquid separator continuously performs enthalpy increasing and gas supplementing on the compressor. Meanwhile, a heat pump system is deeply coupled with a whole vehicle heat management system, the temperature states of vehicle-mounted functional components such as an electric drive module, a battery module and a cabin module can be collected in real time through a central integration module formed by a heat management controller and a temperature sensor, and heat is dynamically distributed according to actual requirements.

This utility model relates to a siphon water system structure and an aquarium. The key technical features of the siphon water system structure are: a first water tank, a second water tank, and a third water tank are sequentially arranged on one side of the aquarium body; a lower oil film assembly is located at the upper end of the first water tank; the inlet of the first water tank is connected to the aquarium body via the lower oil film assembly; two symmetrical siphon drain holes, each connected to the aquarium body, are arranged on the first water tank; the outlets of the first and second water tanks are connected to the aquarium's filtration mechanism; an outlet is located at the upper end of the third water tank; the inlet of the third water tank is connected to the aquarium's water pump mechanism; the second water tank has a siphon-breaking hole connected to the aquarium body. Compared to conventional overflow-type drainage stream tanks, the siphon water system structure provides a larger water flow and greater water circulation. When used in conjunction with a drip tray in the aquarium, it can effectively increase the oxygen content in the water.

The utility model discloses an industrial circulating cooling water cooling device, including the water tank, the side fixed communication of water tank has the water inlet pipe, the side fixed communication of water tank away from water inlet pipe has the drain pipe, the side fixed connection of water tank has the communication frame, the side of communication frame is equipped with the installation mechanism for communication frame and industrial equipment installation, be equipped with the shunt mechanism for the moisture shunt in water tank in communication frame. The utility model discloses a communication frame and mounting plate etc. structure are set up in the side setting of water tank installation equipment, through communication frame can realize the cooling water in water tank through the mode of directly contacting equipment shell heat exchange, cooperate mounting plate and sealing groove and seal simultaneously, can pass through the mode of cooling water directly contacting equipment heat transfer, can promote the efficiency of heat transfer, increases the capacity of water tank that can hold cooling simultaneously reaches the effect of improving the quality of heat dissipation.

The application provides an air conditioner and a control method, device, storage medium and computer program product thereof, and belongs to energy-saving refrigeration and air conditioning equipment. The air conditioner comprises a compressor, a four-way valve, an indoor heat exchanger, a flash evaporator, an economizer and an outdoor heat exchanger; the indoor heat exchanger is connected with the flash evaporator; the flash evaporator is connected to a suction port of the compressor and the economizer; the economizer is connected to a charge port of the compressor; the outdoor heat exchanger is connected with the economizer; a third throttling device is arranged on a pipeline connecting the indoor heat exchanger with the flash evaporator; a first throttling device is arranged on a pipeline connecting the outdoor heat exchanger with the economizer; and a second throttling device is arranged on a heat exchange pipeline of the economizer. The method comprises the following steps: detecting the discharge pressure, discharge temperature, suction pressure, suction temperature and charge pressure of the compressor; and controlling the first, second and third throttling devices according to the detected discharge pressure, discharge temperature, suction pressure, suction temperature and charge pressure. The application can increase the refrigerant circulation amount.

The utility model discloses a flue gas waste heat recovery device convenient to maintain, and relates to the technical field of flue gas waste heat recovery, the flue gas waste heat recovery device convenient to maintain comprises a waste heat recovery equipment body, an air inlet of the waste heat recovery equipment body is provided with a filtering mechanism and a cleaning mechanism which are used in cooperation, and the filtering mechanism comprises a first mounting ring; the first mounting ring is located on one side of the waste heat recovery device body, an inner groove is formed in the first mounting ring, and a filter screen is movably inserted into the inner groove. By arranging the filter mechanism, dust at the smoke inlet can be filtered through the filter screen, dust accumulation in the flue gas waste heat recovery device body is reduced, and the waste heat recovery efficiency is improved. According to the flue gas waste heat recovery device, the filter screen can be cleaned and collected through the cleaning mechanism, so that dust on the surface of the filter screen can be reduced, and the circulation amount of an air inlet of the flue gas waste heat recovery device is larger.

The present invention provides a massage oil for degenerative lesions or muscle damage, wherein the raw materials of the massage oil include the following components: Notopterygium wilfordii, Angelica dahurica, Saposhnikovia divaricata, Dipsacus asper, Atractylodes lancea, Semen persica, Carthamus tinctorius, Poria cocos, Coix seed and vegetable oil. The present invention also provides a method for preparing the massage oil, comprising the following steps: (1) dehydration and drying: Notopterygium wilfordii, Angelica dahurica, Saposhnikovia divaricata, Dipsacus asper, Atractylodes lancea, Semen persica, Carthamus tinctorius, Poria cocos and Coix seed are first dried at 40-50°C for 4-6 hours, naturally cooled to room temperature, and then freeze-dried at -30°C ± 5°C for 4-6 hours; (2) crushing: crushing the components dried in step (1); preferably crushing according to 30-40 mesh; (3) hot oil extraction: heating the vegetable oil to 80-120°C, adding the crushed components to the hot oil, and keeping warm and stirring for 10-30 minutes; (4) collecting: filtering the mixture obtained in step (3) to collect the oil component.

This application provides a fuel cell engine cooling system and a tractor. The cooling system includes a fuel cell cooling circuit, a sensor assembly, a thermal management controller, and multiple heat dissipation modules. The fuel cell cooling circuit includes a water pump. Each heat dissipation module includes a corresponding radiator and a fan. The outlet of the fuel cell cooling circuit is connected to multiple branch pipes via a branch valve, and each branch pipe is connected to the inlet of a corresponding radiator. The outlets of all radiators are connected to the inlet of the fuel cell cooling circuit via a manifold. The sensor assembly includes an outlet sensor, an inlet sensor, and multiple branch sensors. The outlet sensor is located at the outlet of the fuel cell cooling circuit, the inlet sensor is located in the manifold, and each branch sensor is located at the outlet of a corresponding radiator. The thermal management controller is electrically connected to the water pump, the branch valve, the inlet sensor, the outlet sensor, all branch sensors, and the fan.

The invention provides a urinary surgery post-operation fumigation cleaner, and relates to the technical field of medical instruments, the urinary surgery post-operation fumigation cleaner comprises a fumigation machine main body, the top of the fumigation machine main body is provided with a fumigation cavity, a baffle plate is arranged on the front side of the fumigation cavity and located on the top of the fumigation machine main body, and armrest seats are arranged on both sides of the top of the fumigation machine main body; a backrest is arranged on the backrest face of the top of the fumigating machine body, an adjusting assembly is arranged between the backrest and the fumigating machine body, leg containing grooves are formed in the two sides of the front face of the fumigating machine body, pedals are arranged at the bottoms of the leg containing grooves, and protection pads are arranged on the inner sides of the leg containing grooves. A plurality of massage heads are symmetrically arranged on the two sides in the leg containing groove and located in the protection pad, one end of each massage head is connected with a second driving motor and located in the fumigation machine body, and a waste liquid collecting cavity is formed in the fumigation machine body and communicates with the fumigation cavity; an atomization flow guide pipe is arranged in the fumigation cavity in a surrounding mode.