85results about How to "Reliable temperature" patented technology

Small, low-cost wireless temperature sensors (26,64,96) are provided for sensing the temperature of an object (44). The temperature sensors (26,64,96) preferably include a plurality of individual, magnetically susceptible temperature sensor elements (28-34,66,92), as well as optional magnetic field-responsive data elements (38,40,20) adapted for attachment to object (44) or to a substrate (82) in turn attached to object (44). The temperature sensor elements (28-34,66,92) preferably have magnetic bodies (22,70) exhibiting a re-magnetization response under the influence of an applied alternating magnetic field, which is different below and above a set point temperature, normally the Curie temperature of the magnetic body (22) or an adjacent sheath (74,94). The temperature sensors (26,64,96) are used in conjunction with a detector (46) operable to generate a magnetic field of magnitude sufficient to cause re-magnetization responses of the temperature sensor elements (28-34,66,92) and optional data elements (38,40,20), to detect such responses, and to use the detected responses to determine the temperature of object (44) by means of a decoding algorithm. The temperature sensors (26,64,96) can be used in closed-loop heating systems (98) capable of controlling the heating of an object (114).

The invention is directed to a collector mirror for short-wavelength radiation based on a plasma. It is the object of the invention to find a novel possibility for managing the temperature of a collector mirror for focusing short-wavelength radiation generated from a plasma which allows an efficient thermal connection to be produced between the optically active mirror surface and a thermostat system without the disadvantages relating to space requirements or high-precision manufacture of the collector mirror. This object is met, according to the invention, in that the collector mirror has a solid, rotationally symmetric substrate which comprises a material with high thermal conductivity of more than 50 W / mK and in which channels for cooling and temperature management are incorporated in the substrate so that a heat transport medium can flow through directly and for rapidly stabilizing the temperature of the optically active mirror surface. Heat of transient temperature spikes which occur in pulsed operation for plasma generation at the mirror surface and which temporarily exceed the temperature average by a multiple is quickly dissipated.

The invention relates to a bacterial culture fermentation tank device and a fermentation technology thereof. The bacterial culture fermentation tank device is characterized in that the top of the fermentation tank is provided with a cleaning and disinfecting charging tube, a feeding tube and an air input tube; the fermentation tank is controlled by a PLC controller, and the input end of the PLC controller is connected with a temperature sensor, a pH value sensor, a dissolved oxygen value sensor and a stirring speed sensor which are arranged in the tank body; the lower side of the fermentationtank body is provided with a dumping tube; the cleaning and disinfecting charging tube is communicated with a pure steam input tube, an input tube of water for injection, an acid-base lotion input tube, a purified water input tube and a drinking water input tube, wherein the bypass direction of the pure steam input tube is provided with the air intake tube of the air filter; and the air intake tube extends to the bottom of the fermentation tank. The device has good online cleaning, online sterilization and heat preservation effect and is favourable for culturing and fermenting bacteria.

The invention belongs to the technical field of welding, and relates to connection of a dissimilar material, in particular to a connection method of Si3N4 ceramics and titanium alloy. The method comprises the step of: connecting an industrial-grade solder and a pure metal intermediate layer in vacuum, wherein the industrial-grade solder is an amorphous Ti40Zr25Cu20Ni15 solder with the thickness of 30-45 mu m, and the pure metal intermediate layer is Ni foil with the thickness of 100-250 mu m. According to the invention, the residual stress of the joint between the ceramics and the titanium alloy can be reduced and the strength of the joint is improved.

A pressure sensor for measuring the pressure in a space acted upon by high pressure. The signals detected by the pressure sensor are supplied to evaluation electronics. A sensor diaphragm is accommodated on the end of the pressure sensor pointing towards the space acted upon by high pressure. The sensor diaphragm takes the form of a steel diaphragm, to whose back side a thin, metallic layer accommodating piezoresistive measuring elements is applied. The thin, metallic layer is contacted by transmission elements and connected to the evaluation electronics.

Outside air enters a ram air scoop on an aircraft frame, and is ducted to a ram air control valve. The air control valve outputs a desired air mass flow to a cyclone air-water separator which removes moisture and produces a dry air flow. A heater assembly heats the dry air to a desired temperature and directs the heated air into an equipment bay enclosure on the aircraft. The relative humidity of the heated air is sensed by an air moisture sensor which produces a corresponding signal. Other sensors disposed near a payload in the bay enclosure produce corresponding air temperature and air pressure signals. All the sensor signals are input to a processor or controller configured to activate the air control valve and the heater assembly according to set points for temperature and humidity that are specified for the payload in the bay enclosure.

The invention relates to the technical field of kitchen appliances, in particular to a gas stove with lifting type dry-boiling prevention temperature sensors and a control method thereof. The gas stove comprises the temperature sensors, a lifting mechanism connected with the corresponding temperature sensors and used for driving the temperature sensors to rise and all and a control system connected with the lifting mechanism and used for controlling the temperature sensors to rise and fall. The gas stove further comprises weight sensors used for acquiring weight information. The control systemis connected with the weight sensors. By means of the gas stove and the control method thereof provided by the invention, the weight information of cookware is collected through the weight sensors; the gas stove judges whether the lifting mechanism needs to rise or not according to the collected weight information of the cookware. Accordingly, intelligent rising and falling of the temperature sensors are achieved, and control is simple and reliable.

The invention discloses a single-pressure recovery generating system of waste heat of a dry method cement production line, being capable of improving generating efficiency. The kiln head grate cooler of the single-pressure recovery generating system is provided with at least two gas picking-up openings including a high-temperature gas picking-up opening and a moderate-temperature gas picking-up opening. A high-temperature superheater is arranged in the system; the high-temperature gas picking-up is connected to the gas inlet of the high-temperature superheater; the moderate-temperature gas picking-up opening is connected to the gas inlet of an AQC (Air Quench Cooler) boiler; the steam outlet of the AQC boiler and the steam outlet of a kiln tail SP (Suspend Preheater) boiler are connected to the steam outlet of the high-temperature superheater; the steam outlet of the high-temperature superheater is connected to a steam turbine, which makes the primary superheat steam of the kiln tail SP boiler and the AQC boiler obtain reliable secondary superheating in the high-temperature superheater; moderate-temperature flue gas and the heat-exchanged flue gas of the high-temperature superheater are taken as the heat source of the AQC boiler to realize the stepwise recovery of the energy of the flue gas of the waste heat of the grate cooler, increase steam enthalpy and improve effective enthalpy drop; the steam quality is improved and the flow is reduced, which reduce the exhaust loss of the waste heat in a condenser of the steam turbine and promote the improvement of waste heat generating efficiency.

The invention relates to methods and systems for predicting or estimating the melting temperature of duplex nucleic acids, particularly duplexes of oligonucleotides which may be used, for example, as primers or probes in PCR and / or hybridization assays. The invention also relates to methods and systems for designing and selecting oligonucleotide probes and primers having a predicted melting temperature which is optimized for such assays. To this end, algorithms and methods are provided for predicting the melting temperature of a nucleic acid having a predetermined sequence. These methods and algorithms estimate the melting temperature of a nucleic acid duplex under particular salt conditions. The methods and algorithms use novel formulas, having terms and coefficients that are functions of the particular nucleotide sequence, to estimate the effect of particular salt conditions on the melting temperature. As such, the methods and systems of the invention provide superior result compared to existing methods, which do not consider sequence dependent effects of changing salt conditions.

A coupling-based non-contact type temperature measurement system includes a controller, a drive circuit connected to the controller, a switch circuit connected to the drive circuit, a resonance circuit connected to the switch circuit, a temperature sensor coupled to the resonance circuit, and a signal detection circuit connected to the resonance circuit and the controller. In the measurement system, the temperature sensor is isolated from other components of the system, and non-contact type temperature measurement of an object is implemented through electromagnetic coupling. Further provided is a measurement method of a coupling-based non-contact type temperature measurement system. The measurement method implements the transfer of a temperature signal in an electromagnetic coupling form, and performs calculation and analysis according to the temperature signal, thereby implementing non-contact type temperature of an object, and is therefore applicable to reliable temperature measurement for internal core wires in high-voltage power cables.

The invention discloses a method for implanting a carbon nano tube into substrate materials by utilizing microjet and impact waves, wherein the microjet and the impact waves are produced by laser-inducing cavitation. According to the method, laser is utilized for focusing in dispersion liquid and inducing the dispersion liquid to form cavitation bubbles in the focus position, and the carbon nano tube in the dispersion liquid is pulled to be straight under the action of surface tension with the growing of the cavitation bubbles. When the cavitation bubbles grow to a certain degree and disappear, the high-speed microjet and the impact waves are produced, and the straightened carbon nano tube is fast guided to the surface of the substrate materials. The carbon nano tube is implanted to the substrate materials under the action of instant large momentum, and the carbon nano tube is firmly adhered to the substrate materials depending on machinery meshing of plastic deformation, and combination is firm. The method for implanting the carbon nano tube into the substrate materials is simple in technique and convenient to operate. The carbon nano tube can be firmly adhered to the substrate materials, and the method has strong universality.

The invention provides a liquid heating device. The liquid heating device comprises a heating container which is equipped with a water replenishing pipe and a water outlet pipe, wherein, the water replenishing pipe is connected with an external water source via a water inlet valve; the heating container is internally equipped with an electric heating tube and a temperature sensor; the bottom of the side wall of the heating container is in a straight cuboid shape, wherein the bottom of the opposite two side wall is separately inward tilt and form a taper closing; a low-liquid-level sensor and a high-liquid-level sensor are also respectively arranged in the heating container; the water replenishing pipe extends into the heating container from the bottom thereof; the electric heating tube and the temperature sensor are sequentially arranged above an outlet of the water replenishing pipe; signal output terminals of the temperature sensor, the low-liquid-level sensor and the high-liquid-level sensor are respectively and electrically connected to a control unit; and an output terminal of the control unit is connected to a control end of the water inlet valve. By operating and controlling the liquid heating device, liquid can be stably heated in a stepping manner; and meanwhile the liquid heating device has the characteristics of high space utilization ratio, no stored water dead corner, high heating efficiency, reliable supply water temperature and the like, thus being efficient, sanitary, safe and reliable.

The invention relates to mixed power using storage batter temperature detecting device. Temperature transducer outer covering is hermetically combined with battery container to be a whole. The temperature probe containing part of the former is set in latter. And its part out of the latter is used as terminal post. The battery temperature state information collected by the temperature transducer can satisfy whole car control demand, support with system control strategy to make the battery work under good operating state, prolong its useful.

The invention relates to an ultra-high voltage direct current voltage transformer, including a base, a voltage divider, an insulator, a cover plate and fluorescent optical fiber temperature measuring equipment. The voltage divider is arranged in an airtight gas chamber surrounded by the base at the lower end, the insulator in the middle, and the cover plate at the upper end, and the airtight gas chamber is filled with SF gas; the fluorescent optical fiber temperature measuring equipment includes fluorescent optical fiber temperature sensors, an adapter optical fiber, a fluorescent optical fiber temperature measuring instrument, an optical fiber converter and a PC; and the fluorescent optical fiber temperature sensors are uniformly fixed on the voltage divider along a height direction of the voltage divider, and are connected with the adapter optical fiber through a through device fixed on the base in a sealed manner. The temperature of the voltage divider in the airtight gas chamber is monitored in real time through the fluorescent optical fiber temperature measuring equipment that is arranged, and temperature inside the direct current voltage transformer is detected; and in cooperation with the fluorescent optical fiber temperature sensors uniformly fixed on the voltage divider, temperature monitoring can be performed comprehensively and reliably, and the entire temperature monitoring adopts optical signal transmission, and is not affected by high voltage and strong electromagnetic interference.

A cooler of a power converting device for a railroad vehicle has heat exchanger tubes or heat radiator fins disposed to enhance the cooling performance of semiconductor devices arranged on an upper level of the multiple semiconductor devices arranged in multiple rows. Temperature detecting elements are arranged to detect temperature of the semiconductor devices arranged on a lower level on a windward side and a leeward side with respect to a traveling wind performing heat exchange with the heat radiator fins, and are arranged to detect temperature of the semiconductor devices arranged on the upper level at a center area thereof.

The invention discloses a test system of a semiconductor laser chip. The system comprises a test cabinet, a test power supply, a cooling subsystem, a temperature monitoring subsystem and a computer processing subsystem. The test cabinet comprises a loading platform. A plurality of chip components to be tested are placed on the loading platform. The test power supply is used for providing a test current for the plurality of chip components to be tested. The cooling subsystem is used for providing a circulated cooling liquid for the loading platform so as to provide a stable and reliable temperature for chip component tests. The temperature monitoring subsystem is used for monitoring temperatures of the loading platform and the circulated cooling liquid. The computer processing subsystem is used for making the cooling subsystem provide the circulated cooling liquid possessing the stable and reliable temperature and emitting a corresponding control instruction to the test power supply according to a result monitored by the temperature monitoring subsystem. Through the above mode, test safety can be increased and losses brought by accidental failure of the semiconductor laser chip components are avoided.

The invention provides a temperature monitoring system of an electrical device connector. The temperature monitoring system comprises a wireless temperature sensor unit and a temperature monitoring unit. The wireless temperature sensor unit comprises a passive wireless temperature sensor, a first wireless signal emitting receiver and a first single-chip microcomputer connected with the passive wireless temperature sensor and the first wireless signal emitting receiver. A temperature monitoring sensing unit comprises a display device, a second wireless signal emitting receiver and a second single-chip microcomputer connected with the display device and the second wireless signal emitting receiver. The wireless temperature sensor unit and the temperature monitoring unit are communicated in wireless mode. The temperature monitoring system of the electrical device connector can reflect temperature changing conditions of a measuring point timely and accurately. Due to the passive wireless temperature sensor, use of connection wires can be avoided, a power supply is not used, and low-cost, safe and reliable monitoring of the temperature of the electrical device connector can be achieved.

The invention discloses a method for cultivating sweet potato seedlings through a hotbed. According to the method, the technology of converting light energy and electric energy to heat energy is adopted, the temperature control technology, a temperature control device and a communicated grid type thermal circulation system are integrally applied to sweet potato seedling cultivation, the requirement of sweet potato seedling cultivation at different stages for the temperature is effectively met, and the capacity for adapting to the low-temperature and less-sunshine weather is improved; compared with traditional heating methods such as a flame path heating method and a biological fuel heating method, the method is quick in temperature rise, reliable in temperature rise, uniform in overall hotbed temperature, small in temperature difference, capable of adjusting the temperature in time at different seedling cultivation stages, easy and convenient to operate, and capable of saving energy and labor and reducing cost; the thermal circulating path that during seedling cultivation conducted through a traditional plastic greenhouse, heat can only penetrates from the surface of the hotbed to the potato layer step by step is changed, the upward sunny side and the downward dark side of the hotbed where potatoes are planted are heated at the same time through hot air circulating in the surface of the hotbed and communicated grid type air guide grooves, the air flow and the air temperature around the dark side of the hotbed where the potatoes are planted are changed, differentiation of adventitious buds on the dark side is promoted, and output of the seedlings is improved.

A sensor includes a mount arranged along a sensor axis, an airfoil body fixed to the mount and having a first face and second face extending along the sensor axis, a heater element, and a temperature probe. The heater element and the temperature probe are positioned within the airfoil body and extend axially along the airfoil body. The airfoil body defines within its interior a pressure channel having an inlet segment extending between the heater element and the first face of the airfoil body to prevent ice formation and / or melt ice entrained within air traversing the pressure channel. Gas turbine engines, methods of removing ice or preventing ice formation, and methods of making sensors are also described.

The invention discloses a pumpkin seed meal nutrition breakfast snack food and a preparing method thereof. The pumpkin seed meal nutrition breakfast snack food is prepared from, by weight, 45-55% of pumpkin seeds, 25-35% of flour and 15-25% of corn flour. Under the premise of maintaining the natural characteristics of the raw materials to the maximum and adding no food additive, the novel breakfast food which is green, nutritive and capable of achieving a food therapy effect is studied and developed, and belongs to high-protein and high dietary fiber nutrition food. The food is prepared under the premise that the nutritive ingredients of pumpkin seed meal are not damaged, stability and reliability of the content of dietary fibers in food are ensured, and the product taste is improved. Through automatic control, stability of the temperature, pressure and the like is ensured, stability and reliability of the content of dietary fibers are ensured, and controllability of key points is achieved; meanwhile, the processing time is shortened, and the production efficiency is improved.

The invention discloses a fluidized bed reactor for preparing ammonia by virtue of pyrolysis of urea. The fluidized bed reactor comprises a reactor body, wherein an air inlet for introducing air or smoke is formed in the lower part of the reactor body; a reaction product outlet is formed in the upper part of the reactor body; a plurality of solution inlets for introducing a urea solution into the reactor body are formed in the side surface of the reactor body; the outer side of the reactor body is coated with a plurality of groups of resistive heaters from top to bottom, and each group of resistive heaters are respectively connected with corresponding temperature control devices. By forming the solution inlets for introducing the urea solution in the side surface of the reactor body and arranging the resistive heaters for heating the reactor on the outer side of the reactor body, the urea can be pyrolyzed and transformed in the reactor, therefore the fluidized bed reactor disclosed by the invention is low in cost, simple to control and free of secondary pollution.

The invention provides a photoacoustic pool capable of performing liquid photoacoustic detection on line and continuously, and a measuring method thereof. The photoacoustic pool comprises a pool body, windows, pressing plates, sealing rings, a liquid inlet, a liquid outlet, a thermometer, a piezoelectric sensor and a photoelectric sensor, wherein the pool body adopts a hollow structure; the internal part of the pool body is used for injecting the measured solution; one window, one sealing ring and one pressing plate are arranged at each of the left end and the right end of the pool body; the liquid inlet and the liquid outlet are formed on the side wall of the pool body respectively; the thermometer is arranged on the side wall of the pool body; the side end of the thermometer is immersed into the measured solution; and the piezoelectric sensor is arranged in the pressing plate at the light outlet end of the photoacoustic pool. Through compensation and correction of the temperature and the light intensity, the influence of the temperature and the light intensity can be obviously reduced, and the measuring precision and the stability can be improved.

The present invention belongs to the technical field of material performance testing, and relates to a steam corrosion fatigue test system, which comprises a fatigue tester and a fatigue loading clamper arranged on the fatigue tester, and further comprises a steam environment sealing cylinder, a heating furnace and a steam generation box, wherein the fatigue tester is used for providing a fatigue load and applying the fatigue load onto a fatigue specimen through the fatigue loading clamper so as to test, the steam environment sealing cylinder is wrapped on the outer side of the fatigue specimen and is used for providing a sealed steam environment for the fatigue specimen, the heating furnace is used for carrying out secondary heating on the steam in the steam environment sealing cylinder, and the steam generation box is used for providing steam to the steam environment sealing cylinder. According to the present invention, the system can meet the requirement of the stimulation of the wide steam environment temperature range in petroleum, chemical industry, electric power and other industrial fields, the accurate temperature control can be achieved, and the support is provided for the material selection design and the service life evaluation of the equipment servicing in the steam corrosion environment under the alternating load effect.

The invention discloses an intelligent temperature control cold storage tank which comprises a tank body, a tank cover and an intelligent temperature control system, wherein an airtight interlayer cavity is formed between an outer tank plate and an inner tank plate; a tank cold storage agent is arranged in the interlayer cavity; an air inlet is formed on the bottom of the side wall of the tank body; an air outlet is formed at the middle part of the tank cover; heat-insulating slide blocks are arranged on the outer sides of the air inlet and the air outlet; an air inlet door is arranged on the inner side of the air inlet; an air outlet door and a fan are successively arranged on the inner side of the air outlet from outer to inner; the intelligent temperature control system comprises a main control panel, a power supply, a display plate, a WiFi wireless module and a temperature sensor; the display plate, the WiFi wireless module, the temperature sensor, the air inlet door, the air outlet door and the fan are respectively connected with and controlled by the main control panel; the WiFi wireless module is connected with an APP client through a cloud server and is used for performing remote intelligent temperature control. The intelligent temperature control cold storage tank has the advantages that the quick cold storage is realized and the remote accurate temperature control can be performed.

The invention discloses a microwave ablation needle provided with a water cooling sleeve tube and applied under a bronchofiberscope. The microwave ablation needle comprises a handle, a sheathing canal, a guide wire and a control mechanism. The handle is provided with a water injecting guide tube and a water drain guide tube. The guide wire comprises a cable, an ablation electrode, a water coolingguide tube, a sealing part, a syringe needle and an inner sleeve. A backflow opening is formed in the front end of the water cooling guide tube, a water injecting cavity and a water drain cavity are formed in an inner cavity, and the ablation electrode and the syringe needle are arranged at the front end of the cable. The microwave ablation needle provided with the water cooling sleeve tube and applied under the bronchofiberscope can achieve needle insertion and ablation at a controllable distance in a channel of the bronchofiberscope. The microwave ablation needle has excellent water coolingcirculating design, the sealing property and supporting performance in the microwave ablation needle are considered from multiple aspects, and it is guaranteed that microwave treatment emitting high heat can be safely executed in the body of a patient.

The invention provides a cooling system using a natural cold source and a machine room thereof. The cooling system using the natural cold source comprises machine room cooling equipment, a constant temperature layer, outdoor cooling equipment and a controller. A cold medium is arranged in the constant temperature layer, and the machine room cooling equipment can exchange heat with the cold medium through a buried water pipe. The machine room cooling equipment can exchange heat with the outdoor cooling equipment through a natural water pipe, and the natural water pipe can be communicated with the buried water pipe. And the controller controls the machine room cooling equipment to exchange heat with the cold medium and / or the outdoor cooling equipment according to an outdoor air temperature sensor. According to the scheme, the controller controls the machine room cooling equipment to exchange heat with the cold medium and / or the outdoor cooling equipment according to the outdoor air temperature sensor, underground constant-temperature cold energy and the air cooling natural cooling technology are combined, the energy is supplied to the cooling system of a data center for use, it is guaranteed that the temperature of the cold source is reliable, electric refrigeration is not needed, power consumption can be reduced, and the structure is simple.

The invention provides a dust-proof and moisture-proof device for high-precision regulation and control of the ambient temperature of a precision instrument. The device comprises a dual-channel PID temperature controller, a temperature control circuit, a temperature measurement module, a sealed environment box, a temperature transfer fan, a semiconductor thermoelectric module TEC, cooling fins, a filter screen, a reserved window and an instrument base. According to the device, the temperature in the sealed environment box is obtained through the temperature measurement module, and the PID temperature controller controls the temperature control circuit to enable the semiconductor thermoelectric module TEC to work in a refrigeration or heating mode, so that the temperature of the sealed environment box is accurately regulated and controlled. As the device only exchanges heat with the outside and does not exchange substances, a long-term stable temperature, humidity and dust-free environment can be provided for a laser or other temperature-sensitive precision instruments. The temperature control device provided by the invention is compact in structure, stable in performance, low in power consumption and high in temperature control precision, and can improve the performance stability and measurement precision of a precision instrument and prolong the service life of the precision instrument.