114results about How to "Control air volume" patented technology

An extractor hood that alters the volume of air from a fan in accordance with the temperature of the food being cooked in a cooker, and that is provided with: an infrared sensor for detecting an average temperature from the temperature of the food being cooked and the ambient temperature of the food being cooked; a temperature sensor for detecting the ambient temperature of the cooker; a signal reception unit; and an air volume control unit. In the air volume control unit, the temperature of the food being cooked is calculated from the average temperature using the ambient temperature of the cooker as the ambient temperature of the food being cooked, and the volume of air from the fan is determined using a cooker signal and the temperature of the food being cooked.

The invention provides a gas mixture ratio control apparatus and method implementing low-nitrogen combustion by oxygen-deficient CO2-rich gas. The apparatus comprises an air preheater, a mixed gas tank, a blower, a boiler flue gas reflow pipe, a fresh air pipe and a blower air pipe; one end of a flue gas incoming chamber of the air preheater is communicated with a flue gas outlet of a boiler and communicated with the mixed gas tank through the boiler flue gas reflow pipe; a fresh air outlet of the fresh air preheater is communicated with the mixed gas tank through the fresh air pipe; the mixed gas tank is communicated with an air inlet of the blower; the blower is communicated with a primary air chamber inlet of the boiler. The blower extracts boiler flue gas and fresh air through the boiler flue gas reflow pipe and the fresh air pipe, respectively; the boiler flue gas and the fresh air are mixed well in the mixed gas tank; mixed gas is blown into the boiler by the blower; various gases engage in oxidation-reduction reactions in a hearth of the boiler; thus, oxygen nitride is eliminated or largely decreased.

The invention discloses a method for automatically carrying out thermoregulation control on a molding mould of an I.S. machine. The method comprises the following steps: A, obtaining a real-time temperature of a glass mould; B, obtaining a preset temperature of the glass mould; C, judging whether to cool the glass mould or not according to the real-time temperature and the preset temperature, if the real-time temperature is higher than the preset temperature, controlling a solenoid directional valve of a cooling gas cylinder to switch on, opening a valve of the cooling gas cylinder, and cooling the glass mould, if the real-time temperature is not higher than the preset temperature, controlling the solenoid direction valve of the cooling gas cylinder to switch off, closing the valve of the cooling gas cylinder and stopping cooling of the glass mould. The invention further discloses a device for automatically carrying out thermoregulation control on the molding mould of the I.S. machine. According to the invention, the on-off of the solenoid direction valve of the cooling gas cylinder, the opening-closing of the valve and the opening of the glass mould are guaranteed to be synchronous, so that the air quantity of the cooling air output to the glass mould by the cooling gas cylinder is effectively controlled, the automatic regulation on the temperature of the glass mould is realized, and the quality of glass products is improved.

The invention discloses a method for setting and controlling a pulverized coal preparing system, belonging to the field of the controlling and adjusting technology. One branch of hot air of a drying system is connected to a coal pulverizer; the produced pulverized coal is fed into a pulverized coal collecting system through a pneumatic conveying pipe and is collected in a pulverized coal bunker; waste gas is discharged through a pulverized coal fan and a muffler; the other branch of hot air of the drying system is provided with an electric butterfly valve; the electric butterfly valve is connected with a waste gas exhaust pipe which is arranged at the rear of the muffler; and the a pulverized coal fan entrance valve is arranged on the entrance of the pulverized coal fan. The invention is characterized in that the waste gas exhaust pipe which is arranged at the rear of the muffler is communicated with a pulverized coal fan entrance pipe through a communicating pipe and an electric adjusting valve is arranged on the communicating pipe to adjust and control the air quality on the exist of the coal pulverizer and stabilize the negative pressure on the exist of the pulverizer so as to ensure than the pulverized coal fan operates under constant operating mode. The invention can improve the operating stability of the pulverized coal preparing system and can accurately select the type of the pulverized coal fan so as to appropriately reduce the capacity of the pulverized coal fan and save the energy and the resource.

The invention discloses an anti-virus type automobile air conditioning system. The system comprises an air conditioning duct and a draught fan, an evaporator and a warm air heat exchanger which are arranged in the air conditioning duct. An outer circulation air inlet, an inner circulation air inlet, a windshield air outlet, a lower air outlet and a working air outlet are formed in the air conditioning duct. The system further comprises an anti-virus filter element, the anti-virus filter element is installed at the position of the inner circulation air inlet, the anti-virus filter element comprises a rough filtration and supporting layer, a fine filtration layer, a refined filtration layer and a virus and fine particle trapping layer, and the rough filtration and supporting layer, the finefiltration layer, the refined filtration layer and the virus and fine particle trapping layer are fixed in a layered mode from top to bottom and form a whole. The air purifier can effectively captureand kill harmful components such as viruses and bacteria, and meanwhile it is ensured that the existing filtering capacity is not reduced.

The invention discloses a fan and an air conditioning unit. The fan comprises a volute, an air supply part and an air inlet part. The volute comprises a first volute body and a second volute body which are mutually isolated; the first volute body is provided with an air inlet; the air supply part comprises an impeller and a first isolating piece at least partially sleeved with the impeller; at least one part of the impeller is arranged in the first volute; the other part of the impeller is arranged in the second volute; the first isolating piece can enable fluid flowing into the air supply part to blow towards the impeller in two parts; the air inlet part comprises a second isolating piece; the second isolating piece is arranged in the air inlet part, and the air inlet part can be devided into two or more first cavities and second cavities which are mutually isolated; the first cavity communicates with inner space of the first isolating piece; and the second cavity communicates with outer space of the first isolating piece.

The invention discloses a production method of a liquid crystal glass substrate. The method includes the steps that 1, raw materials are sent to a pool furnace area for melting; 2, molten glass liquid is sent to a platinum area for purification; 3, the purified glass liquid is sent to a forming area for curing; 4, a glass plate is sent to a hot-cutting area for cutting and then transported by a hot-cutting peripheral area into a half-packaging area, packaging of the liquid crystal glass substrate is completed after check is conducted, and a semi-finished product of the liquid crystal glass substrate is obtained; the environmental pressure of the pool furnace area is controlled to be 4-6 Pa higher than the atmospheric pressure, the environmental pressure of the platinum area is controlled to be14-16 Pa higher than the atmospheric pressure, the environmental pressure of the forming area is controlled to be 10.5-12.5 Pa higher than the atmospheric pressure, the environmental pressure of the hot-cutting area is controlled to be 14-16 Pa higher than the atmospheric pressure, the environmental pressure of the hot-cutting peripheral area is controlled to be 11-13 Pa higher than the atmospheric pressure, and the environmental pressure of the half-packaging area is controlled to be 6-8 Pa higher than the atmospheric pressure. By means of the production method of the liquid crystal glass substrate, quality of the liquid crystal glass substrate can be remarkably improved.

The invention discloses a manually-operated louver valve, which comprises a flange, a casing, rotation shafts, hollow shafts, blades, a high temperature wear resistant rubber, cranks, a connecting rod, and handles, wherein the flange is connected with the casing; the rotation shafts are placed in the casing; the blades are fixedly connected with the hollow shafts; the rotation shafts are sleeved with the hollow shafts, and the two are in bolted connection; the high temperature wear resistant rubber is mounted at edges of the blades and the two are in bolted connection; the handles are connected with the external of the casing, and are connected with the rotation shafts through the cranks and the connecting rod. The valve can effectively control the blowing rate in various severe environments, effectively guarantees the sealing property particularly through the high temperature wear resistant rubber, can better control the leakage rate of the valve to a smallest level, and can allow exhaust gases to be better recycled and reused in a cogeneration.

The invention relates to an intelligent purification system for large-scale factory building welding smoke haze. The intelligent purification system comprises an air supply device arranged in a factory building. The intelligent purification system is characterized in that the air supply device is arranged on the periphery of the lower portion of the factory building, an exhaust hood and an exhaust duct communicated with the exhaust hood are arranged at the top of the factory building, the exhaust duct penetrates a wall on the upper portion of the factory building and is connected with an induced draft fan and a dust collector, the induced draft fan and the dust collector are arranged outside the factory building, at least one smoke haze detection sensor is arranged on the exhaust hood, the air supply device comprises a shell, an intelligent motor, a fan, a filter, a jet air supply outlet A and a horizontal air supply outlet B, the intelligent motor is arranged in the shell, the jet air supply outlet A is formed in the upper portion of the shell, and the horizontal air supply outlet B is formed in the side of the shell. The intelligent purification system is simple in structure, convenient to maintain, fine in exhaust, ventilation and purification effects and fine in energy-saving effect and makes a contribution to developing the economy, protecting environments and treating haze Pm2.5, and the intelligent motor can control air supply and exhaust quantity according to practical situations.

The invention provides a ventilation system control method and device and an air conditioner. The method comprises the steps that the indoor carbon dioxide concentration is obtained; a ventilation unit is controlled to be started according to the indoor carbon dioxide concentration, and fresh air is introduced an indoor; after the ventilation is started, the ventilation unit is controlled to be closed according to the indoor carbon dioxide concentration and the carbon dioxide concentration change trend; and the carbon dioxide concentration change trend is obtained by detecting a first-order derivative f (x) of the carbon dioxide concentration. By arranging a carbon dioxide concentration sensor and the ventilation unit, the indoor carbon dioxide concentration is detected in real time, the first-order derivative of the carbon dioxide concentration is accurately calculated, the indoor carbon dioxide concentration change can be accurately and reliably fed back in real time, the ventilationunit is accurately regulated and controlled to introduce outdoor fresh air into the indoor, and the ventilation unit is controlled to be opened and closed; erroneous judgment caused by abnormal signals is avoided, the data accuracy and stability are effectively guaranteed, and the indoor air quality is improved.

The invention discloses an air circulation system of a printing machine, which comprises n printing color groups arranged in parallel, where n is greater than or equal to 2, and each printing color group includes a printing drying channel, a color group air supply fan, an exhaust valve and an air return valve , the inlet of the printing drying channel is connected with the outlet of the color group air supply fan, the outlet of the printing drying channel of each printing color group is connected to the general exhaust pipe through the exhaust valve, and the outlet of the printing drying channel of each printing color group is also passed through The air return valve is connected to the main return air duct, the inlet of the color group air supply fan of each printing color group is connected to the main return air duct, the outlet of the main exhaust duct is connected to the inlet of the main exhaust fan, and the outlet of the main exhaust fan leads to Exhaust gas treatment device, the opening quantity of the exhaust valve is used to control the suction volume of the main exhaust fan. The air circulation system of the printing machine of the present invention can directly discharge the waste gas of the printing color group with a large amount of ink, and the waste gas of the printing color group with a small amount of ink enters the main return air pipe for circulation, which improves the efficiency of waste gas treatment and reduces waste gas treatment costs.

The invention discloses an anti-virus type automobile air conditioner filter, the anti-virus type automobile air conditioner filter comprises a pre-filtering supporting layer, a rough filtering layer,an active electrostatic adsorption positive electrode layer, a fine filtering layer, a passive electrostatic adsorption layer, an active electrostatic adsorption negative electrode layer and a micropore trapping layer, which are fixed in a layered mode from top to bottom and form a filter body. The filter body is fixed in a sealed supporting frame, a plurality of ultraviolet sterilizing lamps arefixed on the inner wall of the sealed supporting frame, and the ultraviolet sterilizing lamps are arranged on the upper side and the lower side of the filter body; wherein a wire harness, a sensor, the ultraviolet disinfection lamp, the active electrostatic adsorption positive electrode layer, the passive electrostatic adsorption layer and the active electrostatic adsorption negative electrode layer are correspondingly connected with a controller, and the wire harness is in two-way communication with a whole vehicle CAN network. The anti-virus type automobile air conditioner filter is used for filtering, collecting, killing and removing viruses and removing part of organic matter, smell, bacteria, particles and the like, and therefore the air quality is improved in an auxiliary mode.

The invention relates to a feeding device for stamping a bottle cap. A vacuum material suction rod is connected with a vacuum pump through a vacuum pipe; a suction head is arranged on the vacuum material suction rod; a lifting connection rod mechanism and a steering connection rod mechanism are hinged to two corresponding edges of a rotating disk respectively; the lifting connection rod mechanism comprises a first pushing rod and an L-shaped pulling rod; the first pushing rod is hinged to the rotating disk; the middle of the L-shaped pulling rod is hinged to a machine frame; the two ends of the L-shaped pulling rod are hinged to the first pushing rod and the vacuum material suction rod respectively; a second pushing rod is hinged to the rotating disk; a hinged point is arranged in the middle of a lever type swinging rod, and the two ends of the lever type swinging rod are hinged to the second pushing rod and the vacuum material suction rod respectively; a stamping workbench is arranged below a vacuum material suction device; a bottle cap groove is formed in the stamping workbench; a first cylinder is arranged right above the bottle cap groove; a compressing block is arranged on a piston rod of the first cylinder. According to the feeding device, the problem of existence of potential safety hazards or high equipment cost in the separation transmission process of a base plate is mainly solved.

The invention discloses a cutting chipping gas-solid separation and dust collection treatment system. The cutting chipping gas-solid separation and dust collection treatment system structurally comprises an induced air dust collection cover device arranged on a machine tool in a sliding manner; two settling bins are arranged in parallel under the induced air dust collection cover device; electric unloaders are arranged at the bottoms of the two settling chambers; an air outlet pipeline is arranged at one sides of the settling chambers; a scraper conveyor is arranged under the electric unloaders; an elevator is arranged at the discharge end of the scraper conveyor and connected with a storage bin; the air outlet pipeline is connected with a pulsing bag-type dust remover; a screw discharger is arranged under the pulsing bag-type dust remover; an air outlet of the pulsing bag-type dust remover is connected with an induced draft fan which is connected with a chimney. The cutting chipping gas-solid separation and dust collection treatment system is capable of overcoming the shortcomings in the prior art; as a result, the air pressure and air speed requirements of the system are reduced, the abrasion of particle recovering to the pipeline is reduced and the dust removal effect is good; besides, the labor intensity is reduced and the production efficiency is improved.

The invention discloses a blow pipe handle of an air compressor. The blow pipe handle of the air compressor comprises a handle connected between a rubber hose and a blow pipe, a connector connected with the blow pipe is formed in one end of the handle, a fastening piece and a barrel in sleeve fit with the fastening piece are mounted at the other end of the handle, a circle of external thread matched with an internal thread of the sleeve is formed in the front end of the fastening piece, each of two sides of the handle is longitudinally opened with an adjusting groove, an adjusting shaft is mounted in the adjusting groove, the height of the adjusting shaft is matched with the outer diameter of the handle, and an adjusting button is mounted at each of two ends of the adjusting shaft. The blow pipe handle of the air compressor is simple in structure, convenient to use, capable of effectively controlling the air output, and capable of being regulated according to the practical situation of the sundries in blowing.

The invention provides a multi-split air conditioner system, and an air valve device and an outdoor unit of the multi-split air conditioner system. The air valve device comprises an air valve, an executer and a controller. The air valve can be arranged at the position of an air supply port of an outdoor draught fan of the multi-split air conditioner system and is used for adjusting the air supplyarea of the air supply port. The executer is connected with the air valve and used for controlling the air valve to be switched between the opening position and the closing position, and accordingly the air supply area of the air supply port can be adjusted. The controller is connected with the executer, is independent of a control system of the multi-split air conditioner system and is used for controlling the action of the executer. The air valve device can control the air volume of the outdoor draught fan, and the situation that under the low-temperature refrigeration work condition, due tothe too high air volume of the outdoor draught fan, the high pressure is relatively low, and consequently the system cannot normally run is avoided; and the actions of the air valve are controlled tobe conducted and not to be conducted through the executer, the actions of the executer are controlled through the controller, the controller is independent of the control system of the multi-split air conditioner system, accordingly, compatibility for existing systems is good, and system software upgrading is not needed.

The invention relates to a microwave and electric heating combination-type coffee roasting device and belongs to the field of processing of agricultural products. The device comprises a microwave device, a monitoring device, a transmission device, an electric heating device and a control device; the microwave device is used for generating microwaves to conduct microwave heating on materials; the monitoring device comprises a temperature and humidity sensor, an infrared temperature measurement sensor and a temperature sensor; the temperature and humidity sensor is used for monitoring the temperature and humidity of discharged air, the infrared temperature measurement sensor is used for monitoring the temperature of the surfaces of the materials, and the temperature sensor is used for monitoring the temperature of an electric heating tube; the control device is used for controlling the microwave device, the transmission device and the electric heating device according to temperature andhumidity information of the discharged air, temperature information of the surfaces of the materials and the temperature of the electric heating tube which are monitored by the monitoring device. According to the device, a microwave heating mode is used for roasting green coffee beans, the preheating process is not needed during microwave heating, the quality of roasted coffee is improved, the roasting time is shortened, the roasting efficiency is improved, the production cost is lowered, and the device saves energy and is environmentally friendly.

The invention relates to a lawn mower adopting an exhaust gas turbocharging auxiliary device. The device includes a gas outlet pipe sealed and communicated with a rear intake pipe and a gas introduction pipe sealed and communicated with an exhaust pipe. There is a flow control device sealingly connected between the adjacent ends of the tubes. The flow control device is controlled by the accelerator pedal on one side. When the accelerator pedal is released, the flow control device is suitable for introducing an appropriate amount of gas from the gas outlet pipe to the gas inlet pipe; loosen the accelerator pedal When pedaling, the compressed gas in the rear intake pipe is directly introduced into the exhaust pipe through the pipeline and the flow control device, and the flow control device adjusts the amount of gas introduced according to the speed of the accelerator pedal; The speed sends a proper amount of outside air into the front intake pipe; the power of the engine is immediately weakened with the relaxation of the accelerator pedal, reducing the time lag of the turbo.

The invention discloses a rotating speed control method of an air supply motor, a controller and an air conditioner. The method comprises the following steps: a first temperature of a heat exchanger copper pipe of an air conditioner indoor unit, an indoor/outdoor door temperature and an indoor/outdoor humidity are obtained; based on the indoor/outdoor temperature, the indoor/outdoor humidity and a present air level of the air supply motor of the air conditioner indoor unit, a second temperature of the heat exchanger copper pipe is determined through a preset corresponding relation among the temperature of the heat exchanger copper pipe, the air level of the air supply motor, the indoor/outdoor temperature and the indoor/outdoor humidity; and the rotating speed of the air supply motor of the air conditioner indoor unit is controlled based on the first temperature and the second temperature of the heat exchanger copper pipe. As the temperatures of the heat exchanger copper pipe corresponding to the indoor/outdoor temperature and humidity are determined, and the rotating speed of the air supply motor is controlled based on the temperatures and actual temperature of the heat exchanger copper pipe, the method can simply realize control of air volume of the air conditioner in a wider static pressure range, guarantees the air conditioner to automatically adjust the air volume under different mounting environments, and improves the room comfort.

The invention discloses a heat dissipation device capable of achieving partition heat dissipation and a mainboard with the heat dissipation device, and the heat dissipation device capable of achievingpartition heat dissipation is used for conducting heat dissipation on a plurality of electronic parts and comprises a heat dissipation device, a plurality of fan modules and a control circuit. The radiator is provided with a plurality of radiating areas, and each radiating area is used for conducting heat on at least one electronic part. The plurality of fan modules are arranged on the radiator,and each radiating area is at least correspondingly provided with one fan module. The control circuit is in signal connection with the electronic part and the fan module and detects the operation state of the electronic part, and at least one fan module in the heat dissipation area is controlled to act correspondingly to the operation state of the electronic part. The invention also provides a mainboard with the heat dissipation device.