47results about How to "Guaranteed gas pressure" patented technology

The invention relates to a hydrogen breaking finance. According to the hydrogen breaking furnace, a furnace door 4 is arranged at the front end of a furnace body 8; a pneumatic control system 21 and a vacuum generation system 22 are respectively communicated with the furnace body 8 through gas pipelines; a heating chamber 7 is arranged in the furnace body 8; a reaction material barrel 15 is arranged in the heating chamber 7; a water-cooling air fan 13 is arranged at the back end of the furnace body 8; gas filter plates 18 are respectively arranged at the two ends of the reaction material barrel 15; a ventilation hole 5 is formed in the front end of the heating chamber 7; a circular hole is formed in the back end of the heating chamber 7; a rotating system for driving the reaction material barrel to rotate is arranged outside the furnace door 4. The invention aims to provide equipment for crushing a rare earth alloy, which has a better vacuum effect, higher safety, higher hydrogen breaking efficiency, and smaller and more uniform hydrogen crushed powder particle size. According to the equipment, full-automatic operation process is adopted; at a standard operating temperature, continuous processes of fully absorbing hydrogen and expanding, and completely dehydrogenating and decomposing of the rare earth alloy, particularly a neodymium-iron-boron alloy, are realized in a closed environment.

The invention discloses a comfortable and breathable oxygen mask which comprises an annular air cushion, a silicone supporting ring, a cover and an annular oxygen pipe. The annular air cushion, the silicone supporting ring and the cover are sequentially and hermetically connected, the annular oxygen pipe is arranged on the inner periphery of the cover and positioned in the closed space between theface of a wearer and the cover, a plurality of air outlets are formed in the annular oxygen pipe, the annular oxygen pipe is communicated with an air inlet pipe, an air inlet of the air inlet pipe ispositioned outside the closed space formed by the cover and the face, and the cover is made of soft light breathable materials. The comfortable and breathable oxygen mask is comfortable to wear and good in air tightness and can solve the problem that an existing mask easily generates labored breathing and limits breathing. The mask is suitable for various spontaneous breathing crowds such as breathing failure patients and people with weak breathing movement.

The invention relates to an integrated gas-water separator for a fuel cell; the separator comprises a gas-water separator shell, a return hydrogen inlet formed in one side of the gas-water separator shell, a water outlet formed in the bottom of the gas-water separator shell, and a return hydrogen outlet formed in the top of the gas-water separator shell, and further comprises a gas outlet detection pressure gauge mounted on the gas-water separator shell close to the hydrogen return outlet, a liquid level meter arranged on the gas-water separator shell close to the water outlet, a drain valve arranged on the gas-water separator shell at the water outlet, a heater, a nitrogen discharge valve and a labyrinth structure. The gas-water separator is compact in structure, small in size and high in integration degree, the gas outlet detection pressure gauge is used for detecting the gas pressure of the hydrogen return outlet to guarantee that the gas outlet pressure meets the requirement, the liquid level meter is used for detecting the water level of the bottom in the gas-water separator shell, and after the water level reaches a set value, the drain valve is opened in time to drain water. The heater is used for heating the bottom of the gas-water separator shell to prevent the water outlet from being frozen and blocked.

The invention discloses a remote determinator for well head gas, which comprises a shortest gas circuit connecting pipeline, a self-calibration closed loop voltage regulation system, an intermediate infrared spectrum gas analysis system and a data wireless remote transmission system which are sequentially connected with one another. The determinator is positioned at a well head; the shortest gas circuit connecting pipeline is arranged and analysis results is transmitted to a monitoring center through the data wireless remote transmission system in a remote transmission way, so that the remote determinator for the well head gas can be ensured to respond rapidly in real time on line; and the self-calibration closed loop voltage regulation system can ensure air pressure in each system air chamber in different time and different places to be kept within allowable deviation range, so that the influence on analysis result accuracy by the air pressure in each air chamber can be reduced to allowable limit. The remote determinator provided by the invention solves the problems that common gas measuring and recording well device can not be put at the well head, has a long gas circuit connecting pipeline, needs long time to respond and misses the measurement of a thin oil gas layer, and air pressure in the air chamber in the spectrograph gas analysis system influences measuring and analyzing results in oil-gas exploration well site.

The invention relates to the technical field of smart home, in particular to a smart shortsightedness-prevention desk. The smart shortsightedness-prevention desk comprises a desk board and multiple desk legs used for supporting the desk board, the desk board is provided with a controller, a pressure sensor, an infrared distance sensor, a fan, a temperature sensor and an electric heating wire, andthe pressure sensor, the infrared distance sensor, the fan, the temperature sensor and the electric heating wire are in signal connection with the controller; the controller is used for detecting whether a user uses the desk or not through the pressure sensor, further controlling the fan and the electric heating wire to be switched on and switched off according to a detection result of the pressure sensor, detecting the environment temperature of the temperature sensor, controlling the power of the fan and the electric heating wire according to data of the temperature sensor, and increasing the power of the fan and the electric heating wire after it is detected that the distance between the face of the user and the desk is smaller than a preset value. By means of the smart shortsightedness-prevention desk, the occurrence of the situation that a student is shortsighted when the student watches articles on the desk within a short distance for a long term can be avoided.

The invention relates to the technical field of intelligent baby beds, in particular to an intelligent baby bed. The baby bed includes a baby bed body, the baby bed body includes a bed board, a fenceand support legs, and the support legs are arranged at four corners of the bed board. The baby bed is characterized in that the bed body is provided with an audio input module, a controller, an audiooutput module, a wireless communication module, an LED lamp and a memory. The controller is in signal connection with the audio input module, the audio output module, the wireless communication module, the LED lamp and the memory, and the controller is used for detecting whether a baby is crying or not through the audio input module. The controller is used for controlling flashing of the LED lampafter it is detected that the baby is crying, music preset in the memory is played through the audio output module, and the controller is also used for sending an alarm to parents through the wirelesscommunication module after it is detected that the baby is crying. According to the provided intelligent baby beds, crying of the baby can be known in time and the parents can be informed in time, sothat the parents can deal with crying of the baby in the first time.

The invention discloses a positive-pressure acquisition apparatus for trace gas on a coal-mine working face and an acquisition method thereof, and relates to the technical field of trace gas monitoring. The apparatus comprises a hydraulic-drilling-machine drilling and production device, the hydraulic-drilling-machine drilling and production device is connected with a trace gas and coal powder separation and recovery device, the trace gas and coal powder separation and recovery device is connected with a positive/negative-pressure sampling packaging device, and the positive/negative-pressure sampling packaging device is connected with a positive-pressure maintaining and isolation device. The apparatus and the method comprises the following advantages: the sampled sample is trace gas, operation is simple, the drilling and production depth can be conveniently measured, separation of coal powder and the sample gas can be realized, the sample gas is guaranteed to be not polluted by air through automatic manner and hand-operated manner, and coal powder can be recovered.

The invention relates to a fuel cell hydrogen supply and hydrogen return integrated system comprising an integrated shell which comprises a gas-water separator shell on the lower portion, an ejector shell on the upper portion and a buffer cavity shell; a hydrogen return inlet is formed in one side of the gas-water separator shell, a water outlet is formed in the bottom of the gas-water separator shell, a hydrogen return outlet is formed in the top of the gas-water separator shell, and a labyrinth structure is installed in the gas-water separator shell and used for separating water in hydrogen-containing mixed gas; the gas-water separator shell, the ejector shell and the buffer cavity shell are integrated to be used for installing hydrogen path hydrogen supply components, a first proportional valve and a second proportional valve are integrated on the buffer cavity shell, the volume is small, the gas-water separator can be installed and used in some areas with small spaces, connecting pipelines between the hydrogen path hydrogen supply components are omitted, and the gas transmission distance is short. And the energy loss in the transmission process is reduced, the pressurization efficiency is improved, the installation efficiency is high, and the icing blockage condition caused by accumulated water in the pipeline when the temperature is too low is avoided.

A winding battery with asymmetric hybrid meshed pole plates, same-direction electrodes and dual-membrane safety valve comprises a battery shell and a battery cell and is characterized in that the battery cell forms a cylindrical body by winding a positive pole plate, a negative pole plate and a separator by a battery cell winding shaft, wherein the separator is arranged between the positive pole plate and the negative pole plate, a positive current collection disc and a negative current collection disc are respectively arranged at tops of two ends of the battery cell, a tab is arranged at a top end of one side, near to the positive current collection disc, of the positive pole plate and is equal to the positive pole plate in length, a spiral groove is formed in the current collection disc, a negative terminal is led to a positive terminal direction of the battery by an electrode terminal protection sleeve, the electrode terminal protection sleeve is arranged on a side surface of the battery shell, the negative pole plate is the hybrid meshed electrode, a high-strength conductive fiber mesh is used as a bottom plate, and metal oxide coating layers such as ruthenium oxide, which are arranged in a dot way, and a negative active substance are arranged on the bottom plate. The winding has the advantages that by a special end-surface current collection structure and the hybrid meshed electrodes, the current conduction capability is effectively improved; and meanwhile, the battery has characteristic of a supercapacitor, the dual-membrane safety valve is safer, and the performance of the battery is better.

The invention relates to the field of smart home technology, in particular to an intelligent anti-fall chair with a sitting posture reminding function. The chair comprises a seat plate and a backrestand supporting legs connected with the seat plate, wherein the backrest is provided with a controller, an infrared distance sensor array, an alarm module, a storage module and a wireless communicationmodule. The controller is connected to the infrared distance sensor array, the alarm module, the storage module and the wireless communication module through signals. The controller is used for detecting the distance between the back of a user and the backrest by using the infrared distance sensor array and further determining whether the user has a poor sitting posture behavior according to dataof the infrared distance sensor array. The poor sitting posture behavior includes a humpback sitting posture and a skew sitting posture. The chair can detect the poor sitting posture of children andremind the children to correct the poor sitting posture to prevent the poor sitting posture from affecting health and growth of the children.

The invention relates to a supercharged dual-purpose stove for heating and bathing. The supercharged dual-purpose stove for heating and bathing comprises a combustor and a fuel gas inlet pipe communicating with the combustor, and is characterized in that a supercharge ratio control device is arranged on the fuel gas inlet pipe and comprises a shell, an impeller, a rotary motor and a pushing motor.The shell is provided with a cone part; a gap is formed between the impeller and the cone part; a rotary shaft of the rotary motor stretches into the shell and is connected with the impeller; and anoutput shaft of the pushing motor is connected with a case of the rotary motor and can drive the rotary motor to move back and forth, so that the gap between the impeller and the cone part can be adjusted. The gap between the impeller and the shell can be adjusted, so that the gas inlet flow can be adjusted; and meanwhile, the impeller rotates to realize a fuel gas supercharging function.

The invention provides a plug-in type pneumatic high-speed differential switch valve which comprises a valve base, a piston, a plug-in valve component A and a plug-in valve component B, wherein when the plug-in valve component A works, under the suction effect of an electromagnet A, a valve core needle bar and a ball core A move upwards and are kept away from an exhaust duct, namely, high-pressure gas passes through a through hole of a valve core base, a vent hole of a supporting base and the vent hole of a plug-in valve sleeve A in turn, the gas flows into a step hole of the valve base from the vent hole of the step hole on the valve base, and the piston is kept static when the gas pressures in a rod cavity and a rod-less cavity are identical to each other. Under the effect of a pulse current and the suction effect of an electromagnet B, a valve core B is kept away from the exhaust duct, the high-pressure gas passes through the through hole of a plug-in valve sleeve B and the vent hole of a supporting ring in turn, namely, the gas in the rod-less cavity is drained to an exhaust port, so that the differential ratio control for the rod cavity and the rod-less cavity is formed. The plug-in type pneumatic high-speed differential switch valve is characterized in that the increasing of differential control response is realized, the working efficiency is high, the sealing property is high and the modularization for different structure groups is realized according to the characteristics of the differential control.

The invention relates to an asymmetric composite mesh plate same-direction electrode type double-membrane safety valve type winding battery. The winding battery comprises a battery shell and a battery cell. The winding type storage battery is characterized in that the battery cell is a cylindrical body formed by a positive plate, a negative plate and a diaphragm through the winding of a battery core reel, the diaphragm is located between the positive plate and the negative plate, and a positive current collection disc and a negative current collection disc are respectively arranged on the tops of two ends of the battery core; a lug having the same length with the positive plate is arranged on the top end of one side, close to the positive current collection disc, of the positive plate, and a spiral groove is formed in the positive current collection disc; a negative terminal is guided to the direction of a positive end of the battery through an electrode terminal protecting sleeve arranged on the side surface of the battery shell; and the negative plate is a composite mesh electrode, and metal oxide coating layers are distributed on a base plate in a strip manner. The winding battery has the beneficial effects that by utilizing a special end surface current collection structure and a high-strength fiber mesh composite plate, the strength is high, the conductivity is good, the current conduction capacity is effectively improved, and meanwhile, the battery has high-rate charging and discharging properties of a super-capacitor; and a double-membrane safety valve is relatively safe, and the battery performance is relatively good.

Disclosed is a winding battery equipped with a continuous tab asymmetrical net-shaped electrode plate homodromous electrode capsule-film safety valve. The winding battery comprises a battery shell and a cell; the winding battery is characterized in that the cell comprises a positive electrode plate, a negative electrode plate and a diaphragm, and the cell is wound into a columnar body through a cell winding shaft; a positive electrode current collecting tray and a negative electrode current collecting tray are arranged on the end top parts of the two ends of the cell respectively; a tab, which is as long as the positive electrode plate, is arranged at the top end on one side, close to the positive electrode current collecting tray, of the positive electrode plate; a spiral groove body is formed in the current collecting tray; a negative electrode terminal is lead to a positive electrode end direction of the battery through an electrode terminal protection sleeve on the side surface of the battery shell; the negative electrode plate is a composite net-shaped electrode which takes a high-strength conductive fiber net as a bottom plate; and a metal oxide coating layer in strip-shaped distribution, such as ruthenium oxide and the like, and a negative active material, are arranged on the bottom plate. By virtue of the unique end plane current collecting structure and the composite net-shaped electrodes, the current conduction capability is effectively improved; meanwhile, the battery has the super-capacitor high-rate charging and discharging characteristic; and the dual-film safety valve is safer, so that the performance of the battery is better.

A symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery comprises a battery shell and a battery cell. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery is characterized in that the battery cell comprises a positive plate, a negative plate and a diaphragm located between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm are coiled to form a column through a battery cell winding shaft, and a positive current collector and a negative current collector are arranged on the end roofs of the two ends of the battery cell; an electrode lug with the length equal to that of the positive plate is arranged at the top end of the side, close to the positive current collector, of the positive plate, the electrode lug is a positive continuous electrode lug, and a spiral slot, namely, a positive plate clamping slot is formed in the positive current collector; the positive plate and the negative plate are hybrid mesh electrodes which are provided with metal oxide coatings such as ruthenium oxide distributed in a dotted mode. The symmetric hybrid mesh plate co electrode double membrane safety valve coiled battery has the advantages that the battery has the high current conducting capacity, super-capacitor high-rate charging and discharging capacities and the characteristic that a double membrane safety valve makes the battery safer.

A symmetric composite electrode porose current collector double membrane safety valve coiled storage battery comprises a battery shell and a battery cell. The symmetric composite electrode porose current collector double membrane safety valve coiled storage battery is characterized in that the battery cell comprises a positive plate, a negative plate and a diaphragm located between the positive plate and the negative plate, the positive plate, the negative plate and the diaphragm are coiled to form a column through a battery cell winding shaft, and a positive current collector and a negative current collector are arranged on the end roofs of the two ends of the battery cell; an electrode lug with the length equal to that of the positive plate is arranged at the top end of the side, close to the positive current collector, of the positive plate, the electrode lug is a positive continuous electrode lug, the positive plate and the negative plate are composite electrodes, and the construction of the positive plate and the negative plate is that a lead plate serves as a bottom plate which is provided with metal oxide coatings distributed in a striped mode. The symmetric composite electrode porose current collector double membrane safety valve coiled storage battery has the advantages that the current conducting capacity is effectively improved through the unique end surface current collection structure and the composite electrodes; meanwhile, the battery has super-capacitor high-rate charging and discharging characteristics, a double membrane safety valve can better protect the battery, and the battery user performance is improved.