Patents
Literature
Hiro is an intelligent assistant for R&D personnel, combined with Patent DNA, to facilitate innovative research.
Hiro

53results about How to "Guaranteed temperature measurement accuracy" patented technology

Method for designing structure of low-cost test combustion chamber with reliable thermal protection

The invention discloses a method for designing a structure of a low-cost test combustion chamber with reliable thermal protection. The combustion chamber comprises a body barrel segment, a connecting flange, a nozzle part, a connecting bolt and a measuring filler neck part. The combustion chamber adopts a capacitive type structure; the body barrel segment is made of a pure copper material with a high thermal conductivity; and the nozzle part is made from a copper-infiltrated tungsten material. In the invention, a thermal analysis aided design method is required to be used firstly, which needs to establish a computation mode and a computing method at first and then perform an iterative design process of the structural design and the thermal analysis. The computation mode adopts an unsteady thermal-dimensional heat conducting differential equation and the computed heat exchange mainly comprises heat convection from the gas to the chamber wall and the radiant heat exchange, the heat conduction in the chamber wall, the convection from the chamber wall to the outside and the radiant heat exchange. The thermal analysis aided design method comprises a global computing analysis and a local correcting and computing analysis. The method can minimize the materials used under the condition that the combustion chamber has the reliable thermal protection and greatly reduce the cost.
Owner:BEIHANG UNIV

Motor-driven type rotary kiln direct temperature measuring device

The invention relates to the rotary kiln temperature measurement technical field, and provides a motor-driven type rotary kiln direct temperature measuring device comprising a linear motor, a thermocouple and a sleeve pipe arranged outside the thermocouple; the linear motor is connected with a first end of the thermocouple, and a second end of the thermocouple extends into a temperature measurement through hole arranged in a side wall of the rotary kiln; the thermocouple and the sleeve pipe are driven by the linear motor so as to make reciprocating motions along an axial direction of the temperature measurement through hole; the sleeve pipe is provided with a temperature measurement thin hole used for realizing thermocouple temperature measurement. The motor-driven type rotary kiln direct temperature measuring device uses the linear motor to drive the sleeve pipe and the thermocouple, so the sleeve pile and the thermocouple can make moves in the temperature measurement through hole at certain period in a radial direction of the rotary kiln in a rotary process of the rotary kiln, thus automatically removing material entering the temperature measurement through hole, preventing material pieces from blocking the temperature measurement through hole, and ensuring life and temperature measurement precision of the thermocouple.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Temperature measurement method and device, server and temperature measurement system

The invention provides a temperature measurement method and device, a server and a temperature measurement system. The method comprises the steps of detecting a target object from an environment imageobtained by image acquisition equipment, and determining a first position of the target object; obtaining a thermal imaging image corresponding to the environment image through thermal imaging equipment, and determining a thermal imaging temperature of the target object based on the first position; acquiring an environment temperature through temperature acquisition equipment; and adjusting the thermal imaging temperature of the target object according to the environment temperature and the thermal imaging temperature of the temperature acquisition equipment in the thermal imaging image to obtain the actual temperature of the target object. According to the method, the temperature drift of the thermal imaging equipment is corrected through the environment temperature and the thermal imaging temperature of the temperature acquisition equipment, and the accurate actual temperature of the target object can be obtained based on the thermal imaging temperature of the target object. In addition, the method employs the temperature acquisition equipment to replace a conventional black body so as to avoid defects of the black body, so that the method improves the robustness and reduces thedeployment difficulty while guaranteeing the temperature measurement precision.
Owner:MEGVII BEIJINGTECH CO LTD

Automatic measuring method and automatic measuring system for temperature of vertical flue of coke oven

The invention relates to an automatic measuring method and an automatic measuring system for temperature of a vertical flue of a coke oven. Through a temperature measuring device walking track compiling process, a combustion chamber positioning process, a noise bridge brick identification process and a continuous temperature measuring process, the temperature of each vertical flue is determined according to a temperature curve which is measured in the continuous temperature measuring process, the number of the combustion chamber, a time stamp and nose bridge brick identification information. According to the automatic detecting method and the automatic detecting system, existing equipment in a coke oven production system is sufficiently utilized, such as a carbonizing chamber code disc and a coal charger track; three movable temperature measuring devices are utilized for simultaneously measuring the temperatures of the vertical flues in different areas; a ground PLC workstation compiles the temperature measuring device walking track and makes a walking plan according to a coke pushing plan; continuous temperature measurement is performed on the vertical flues periodically on the condition that normal operation of a coke oven coal charger is not affected; and furthermore opening or closing of a fire observing hole cover is not required in the temperature measuring process, thereby greatly improving temperature measuring efficiency and furthermore improving timeliness in performing tempering on the coke oven.
Owner:ACRE AUTOMATION CO LTD MCC

Combined measuring device and method for air outlet temperature filed of wind tube

InactiveCN101936775AOvercoming precise temperature distribution and temperature field characteristicsRealize combined measurementRadiation pyrometryThermometers using electric/magnetic elementsMeasurement deviceElectricity
The invention discloses a combined measuring device and method for the air outlet temperature field of a wind tube. A lead rail is fixed on a base, and a first bracket, a second bracket and a third bracket are mounted on the lead rail and matched with the lead rail in a sliding way. A wind target is mounted on a horizontal shaft of the first bracket and rotationally matched with the first bracket; and the horizontal shaft passes through the geometrical centre of the wind target and is vertical to the normal line of the wind target. The wind tube is mounted on the lead rail through the second bracket; an online infrared thermal imager is mounted on the lead rail through the third bracket; the wind tube is located between the wind target and the online infrared thermal imager; the centre line of the wind tube passes through the geometrical centre of the wind target; the air outlet of the wind tube and the lens of the online infrared thermal imager are opposite to the measuring end of a thermocouple on the wind target; and the optical shaft of the online infrared thermal imager passes through the geometrical centre of the wind target. The lens of the online infrared thermal imager is located above the air outlet of the wind tube. The thermocouple on the wind target is electrically connected with multiple paths of collectors; and the multiple paths of collectors and the online infrared thermal imager are respectively connected with an upper computer via data lines.
Owner:CHINA JILIANG UNIV

Microwave oven with intelligent induction function

The invention discloses a microwave oven with intelligent induction function, which comprises a cavity, an intelligent sensing element, a rear cover and a control device, wherein the cavity is provided with an opening; an inductor of the intelligent sensing element is arranged at the opening; and rays emitted by the inductor can enter the cavity. The microwave oven also comprises a rotating motor, wherein the rotating motor is connected with the inductor of the intelligent sensing element; an included angle between a rotating shaft of the rotating motor and a central shaft of the inductor is less than 90 degrees; the central shaft of the inductor is inclined downwards and faces the interior of the cavity; and the rotating motor drives the inductor to rotate so as to make the central shaft of the inductor rotate from side to side. A mounting frame is also arranged on the microwave oven; and the rotating motor and the intelligent sensing element are fixed on the rear cover behind the cavity through the mounting frame. According to the invention, the coverage range of the rays emitted by the intelligent sensing element in the cavity is widened, the induction accuracy of the intelligent inductor is improved, the temperature in the cavity of the microwave oven can be accurately judged, and the cooking effect of the microwave oven is improved.
Owner:MIDEA GRP CO LTD

Low-temperature contact type surface temperature sensor

The invention relates to a low-temperature contact type surface temperature sensor, comprising a housing, an upper cover, a temperature sensor, a magnetic ring and a uniform temperature medium, wherein an annular clamping groove is formed in the lower end of the housing; the magnetic ring is mounted in the annular clamping groove; a uniform temperature tank is arranged in the housing; the upper cover is arranged on the upper end of the housing and seals the uniform temperature tank in the housing; the temperature sensor is arranged in the upper cover in a penetrating manner; the lower portionof the temperature sensor is inserted into the uniform temperature tank; the uniform temperature medium is accommodated in the uniform temperature tank, which is an antifreezing solution; a liquid injecting hole is formed in the upper cover and corresponds to the uniform temperature tank on the housing; and a plug is arranged in the liquid injecting hole. According to the invention, the low-temperature contact type surface temperature sensor is attached to the surface of an object to be detected in a magnetic attraction manner, and no damage to the object to be detected is caused, thus ensuring the normal safe use of the object to be detected; the liquid uniform temperature medium is arranged in the housing of the surface temperature sensor, and the temperature sensor is immersed in the uniform temperature medium, so that the influence of external environment temperature and humidity on the temperature sensor can be avoided, ensuring the accuracy of temperature measurement.
Owner:HENAN PROVINCE INST OF METROLOGY

Stress-packaging-free temperature-sensing optical fiber cable and preparation method thereof

A stress-packaging-free temperature-sensing optical fiber cable and a preparation method thereof are provided, wherein the stress-packaging-free temperature-sensing optical fiber cable comprises: an ultra-weak optical fiber grating array positioned in the center; fiber bundles uniformly distributed around the ultra-weak optical fiber grating array in parallel, wherein the ultra-weak optical fibergrating array and the fiber bundles are freely combined; a metal tube wrapping the peripheries of the ultra-weak optical fiber grating array and the fiber bundles along the axial direction; and a reinforcement which is twisted and surrounded in a spiral form around the metal tube. According to the stress-packaging-free temperature-sensing optical fiber cable of the invention, the ultra-weak optical fiber grating array and the multiple fiber bundles are freely combined, then the metal tube is adopted for direct packaging, the extra length of the optical fiber is absorbed by adoption of a beam expanding effect after the optical fiber rebounds, the friction between the optical fiber and the tube wall of the metal tube is reduced, accumulated distribution of the extra length is inhibited, batch calibration is facilitated, the linear correlation degree of a temperature curve of the optical fiber is up to more than 0.999, the temperature sensitivity fluctuation is less than 0.3pm / DEG C, andthe temperature measurement precision of the optical cable is improved.
Owner:宜昌睿传光电技术有限公司

Embedded intelligent telescopic integrated cabinet

The invention discloses an embedded intelligent telescopic integrated cabinet, and the cabinet comprises a cabinet frame, a first function module installed on the cabinet frame and a second function module installed on the cabinet frame. The first function module comprises a first panel fixedly connected with the cabinet frame, a certificate reader installed on the first panel, a fingerprint instrument installed on the first panel, and a scanning reader-writer installed on the first panel and located on the side edge of the fingerprint instrument. The second function module comprises a secondpanel which is fixedly connected with the cabinet frame and is connected with the cabinet frame through an elastic hinge, a point touch screen which is arranged on the second panel, a glass structurewhich is arranged on the second panel and is positioned above the point touch screen, a rotary door which is installed on the second panel and located on the right side of the glass structure, a roundglass structure which is installed on the second panel and located on the left side of the glass structure, and an ultrasonic probe which is installed on the second panel and located on the right side of the rotary door, so the labor intensity and personal injury risks of inspection and quarantine personnel are greatly reduced.
Owner:深圳市软筑信息技术有限公司

System and method for removing accumulated snow or sundries for train infrared axle temperature detecting equipment

The invention provides a system and method for removing accumulated snow or sundries for train infrared axle temperature detecting equipment, and belongs to the field of railway assisted control systems. The problem that in severe snowing weather, due to the fact that snow and sundries enter a detection window, an infrared detection light path of the infrared axle temperature detecting equipment for measuring the train axle temperature is affected, and the measuring precision is affected accordingly can be solved. The system comprises a rain and snow sensor, an ambient temperature sensor, an air source mechanism, two air pipes and a bellows. The air source mechanism comprises a box, and an external air blower, an internal air blower and a controller are arranged in the box. Whether it snows can be accurately judged according to signals of the ambient temperature sensor and signals of the rain and snow sensor, and the air pipes are controlled to directly stretch into a train axle temperature measuring device to sweep the edge of a temperature measuring probe. The upper surface of the train axle temperature measuring device is swept again after delaying, the temperature measuring probe is prevented from being shielded by ice, snow and sundries on the surface again, and the temperature measuring precision is guaranteed.
Owner:HARBIN KEJIA GENERAL MECHANICAL & ELECTRICAL CO LTD

Distributed optical fiber sensor high-temperature dynamic calibration system and method

The invention discloses a distributed optical fiber sensor high-temperature dynamic calibration system and method.The calibration system comprises a high-temperature tube furnace, a temperature demodulator, a DTS Raman optical fiber demodulator and a computer, a thermocouple and a multimode optical fiber sensor are placed in the high-temperature tube furnace, the thermocouple is connected with the temperature demodulator, and the temperature demodulator is connected with the DTS Raman optical fiber demodulator; the multimode optical fiber sensor is connected with the DTS Raman optical fiber demodulator; the temperature demodulator and the DTS Raman optical fiber demodulator are connected with the computer; the multi-mode optical fiber sensors penetrate through the high-temperature tube furnace in a reciprocating mode in an S-shaped mode, the turning positions of the multi-mode optical fiber sensors are arranged outside the high-temperature tube furnace, at least four sections of the multi-mode optical fiber sensors are arranged in the high-temperature tube furnace, and the mechanical tension state of each section of the multi-mode optical fiber sensors in the high-temperature tube furnace is zero; and a thermocouple is correspondingly arranged on one side of each section of multimode optical fiber sensor in the high-temperature tube furnace.
Owner:应急管理部天津消防研究所 +1

Self-weight rotary kiln direct temperature measurement device

The invention relates to the technical field of rotary kiln temperature measurement, and provides a self-weight rotary kiln direct temperature measurement device. The self-weight rotary kiln direct temperature measurement device comprises a counterweight box, a thermocouple, restraint rods of which the first ends are fixedly mounted on the side wall of a rotary kiln, and a sleeve tube which is arranged on the outer side of the thermocouple; a plurality of restraint pipelines are arranged in the counterweight box; the second ends of the restraint rods are limited in the restraint pipelines; the counterweight box is connected with the first end of the thermocouple; the second end of the thermocouple extends into a temperature measuring through hole which is formed in the side wall of the rotary kiln; the sleeve tube is connected with the counterweight box or the thermocouple and can move axially along the temperature measuring through hole; thin temperature measuring slim holes used for realizing thermocouple temperature measuring are formed in the sleeve tube. According to the device, the counterweight box drives the thermocouple and the sleeve tube to move in the temperature measuring through hole along the radial direction of the rotary kiln during the rotating process of the rotary kiln under the automatic action of the counterweight box, so that the sleeve tube can clean the materials in the temperature measuring through hole automatically, and the temperature measuring through hole is prevented from being blocked by a material tumor; therefore, the service life and the temperature measurement accuracy of the thermocouple are ensured.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Dustproof miniature gear motor and black box integrated system

The invention discloses a dustproof miniature gear motor and black box integrated system, and the dustproof miniature gear motor is applied to a customs or frontier inspection and release detector, and comprises a micromotor main body, a transmission mechanism connected with the micromotor main body, and a supporting structure for supporting the transmission mechanism. The micromotor main body comprises a structure base frame, and a controlled body, an actuator, a sensor and a controller which are arranged on the structure base frame; the transmission mechanism comprises a first gear connectedwith the controlled body, a second gear connected with the first gear, a third gear installed on the supporting structure and connected with the second gear, and an output shaft comprising gear teethconnected with the third gear. By adopting the scheme, the dustproof miniature gear motor can meet the power driving requirement of the intelligent checking and releasing all-in-one machine proposedby the applicant, can meet the requirements of the size and the rotating speed, can enable the temperature measurement of the checking and releasing machine to be stable and high in precision, betterachieves dust prevention, and guarantees the stable operation.
Owner:深圳市软筑信息技术有限公司

Temperature measuring device for bottom surface of tin bath of floating glass manufacturing line

The invention discloses a temperature measuring device for a bottom surface of a tin bath of a floating glass manufacturing line. The temperature measuring device comprises an armored thermocouple, amounting seat and a spring, wherein one end surface of the mounting seat has an accommodation groove, the mounting seat has a first through hole penetrating the accommodation groove and the other endsurface of the mounting seat, the armored thermocouple is arranged in the first through hole, a temperature measuring end of the armored thermocouple penetrates out from one end of the accommodation groove, the spring sleeves on the armored thermocouple and is limited between the accommodation groove and the temperature measuring end of the armored thermocouple, one end surface of the mounting seat having the accommodation groove has a magnetic body, when the magnetic body is absorbed on a to-be-measured device, and the temperature measuring end of the armored thermocouple is pushed to contactwith the to-be-measured device through the restoring force generated by the compressed spring. The temperature measuring device is advantaged in that the structure is simple, the temperature measuring end closely contacts with the to-be-measured device, and mounting and dismounting are convenient.
Owner:JUMO AUTOMATION DALIAN CO LTD

Gas exhausting and injecting well device for aerobic bioreactor process

The invention provides a gas exhausting and injecting well device for an aerobic bioreactor process. The gas exhausting and injecting well device is characterized in that the surface of a garbage heapis drilled downwards to form a gas well, a well pipe is inserted into the gas well, the top of the well pipe stretches out of the ground by 0.5 m to 1.0 m and is connected with a horizontal branch pipe through a manifold branch, a bidirectional pressure gauge capable of displaying positive and negative pressure and a gas sampling valve are mounted at the top end of the well pipe, and pressure andgas ingredients in the well can be analyzed in real time; and the well pipe is a PE or HDPE pipe of De 75 mm to 150 mm. According to the gas exhausting and injecting well device, by designing the structure of the well pipe, the ubiquitous problems that gas exchange at different depths of the garbage heap is uneven, a temperature sensor cannot fast and sensitively reflect the real-time temperature, and a sleeve needs to be additionally arranged are solved; and the effects that gas exhausting and injecting wells are tightly closed, gas exchange is smooth, construction is simple, control is easy, and the temperature, the pressure, the gas ingredients and the like can be monitored in real time are achieved, and the aerobic treatment technology is more mature and efficient.
Owner:ZHONGKE DINGSHI ENVIRONMENTAL ENG CO LTD

Reactor for sec.-butyl acetate

The invention provides a reactor for sec.-butyl acetate. The reactor comprises a reactor main body, wherein the reactor main body comprises a liquid inlet device and a temperature measuring device, the liquid inlet device comprises a liquid inlet plate, an annular plate and a flow guiding baffle, liquid inlets are formed in the liquid inlet plate and comprise upper liquid inlets and lower liquid inlets, the upper liquid inlets decrease gradually towards the two sides of the liquid inlet plate, the lower liquid inlets increase gradually towards the two sides of the liquid inlet plate, flow guiding holes are formed in the flow guiding baffle, the temperature measuring device comprises a connecting tube, a flange, a blind flange, a top cover and a temperature measuring tube, a tetrafluoro coating pad is arranged between the blind flange and a protection plate and serves as a sealing element, and the top cover and the blind flange are filled with asbestos packing. According to the reactor, the structure is simple, and the design is reasonable; by adopting disc-ring-shaped annular liquid inlet, the balance of liquid inlet flow velocity and heat exchange efficiency are guaranteed, and the energy consumption is lowered; the flow guiding baffle plays a role in guiding flow, and thus the stability of liquid inlet is guaranteed; and the temperature measuring device is excellent in sealing performance and pressure resistance and is not prone to leakage, so that the heat exchange effect and temperature measurement accuracy are improved and guaranteed.
Owner:YANGZHONG SHENYANG HEAT EXCHANGE EQUIP

Indirect temperature measuring device in entrained flow gasifying furnace

The invention belongs to the field of measurement and control of boilers and discloses an indirect temperature measuring device in an entrained flow gasifying furnace. The indirect temperature measuring device in the entrained flow gasifying furnace comprises a first spray nozzle and a second spray nozzle which are horizontally distributed in a furnace body and have the same structure, wherein the first spray nozzle and the second spray nozzle penetrate through the furnace body; one end, which is positioned inside the inner cavity of the furnace body, of the first spray nozzle is connected with a first water cooling hood; one end, which is positioned inside the inner cavity of the furnace body, of the second spray nozzle is connected with a second water cooling hood; the first water cooling hood and the second water cooling hood are trumpet-shaped and ends with bigger trumpet openings face the center of the furnace body; the horizontal central axial lines of the first water cooling hood and the second water cooling hood are the same line; a water inlet pipe is coiled on the second water cooling hood; a water outlet pipe is coiled on the first water cooling hood; a flow meter and a water inlet temperature meter are arranged on the water inlet pipe; and a water outlet temperature meter is arranged on the water outlet pipe. The indirect temperature measuring device in the entrained flow gasifying furnace has the characteristics of reasonable structure, and capacities of protecting equipment in the furnace and ensuring the temperature measuring precision, and can measure the temperature accurately in real time; and simple and convenient computation is guaranteed.
Owner:HUANENG CLEAN ENERGY RES INST +1

A self-driven direct temperature measuring device for a rotary kiln

The invention relates to the technical field of temperature measurement of a rotary kiln, and provides a self-driven direct temperature measurement device for a rotary kiln. The device includes a rotary drive motor, a screw rod, a fixed mount, a thermocouple and a sleeve tube; the rotary drive motor, the screw rod and the thermocouple are mounted on the fixed mount, and the fixed mount is fixed on a rotary On the side wall of the kiln; the rotary drive motor drives the screw rod to rotate; the sleeve tube is sleeved on the outside of the thermocouple and extends into the temperature measuring through hole opened on the side wall of the rotary kiln; the The outer surface of the sleeve tube is provided with a spiral groove that matches the thread of the screw rod. Driven by the screw rod, the sleeve tube performs periodic reciprocating motion along the axial direction of the temperature measuring through hole . The invention automatically removes the material entering the temperature measuring through hole through the movement of the sleeve tube, avoiding the blockage of the temperature measuring through hole by material lumps, thereby ensuring the service life and temperature measuring accuracy of the thermocouple.
Owner:ZHONGYE-CHANGTIAN INT ENG CO LTD

Indirect temperature measuring device in entrained flow gasifying furnace

The invention belongs to the field of measurement and control of boilers and discloses an indirect temperature measuring device in an entrained flow gasifying furnace. The indirect temperature measuring device in the entrained flow gasifying furnace comprises a first spray nozzle and a second spray nozzle which are horizontally distributed in a furnace body and have the same structure, wherein the first spray nozzle and the second spray nozzle penetrate through the furnace body; one end, which is positioned inside the inner cavity of the furnace body, of the first spray nozzle is connected with a first water cooling hood; one end, which is positioned inside the inner cavity of the furnace body, of the second spray nozzle is connected with a second water cooling hood; the first water cooling hood and the second water cooling hood are trumpet-shaped and ends with bigger trumpet openings face the center of the furnace body; the horizontal central axial lines of the first water cooling hood and the second water cooling hood are the same line; a water inlet pipe is coiled on the second water cooling hood; a water outlet pipe is coiled on the first water cooling hood; a flow meter and awater inlet temperature meter are arranged on the water inlet pipe; and a water outlet temperature meter is arranged on the water outlet pipe. The indirect temperature measuring device in the entrained flow gasifying furnace has the characteristics of reasonable structure, and capacities of protecting equipment in the furnace and ensuring the temperature measuring precision, and can measure the temperature accurately in real time; and simple and convenient computation is guaranteed.
Owner:HUANENG CLEAN ENERGY RES INST +1

Digital high-precision temperature measurement system and method of relative gravimeter

The invention relates to a digital high-precision temperature measurement system and method for a relative gravimeter, and the method comprises the steps: constructing a bridge circuit comprising a 44008 thermistor, providing a constant current for the bridge circuit through an REF constant current source circuit, carrying out the gain buffering of the voltage of the 44008 thermistor, carrying out the analog-to-digital conversion of the voltage through an A / D converter, and finally inputting the voltage into an RAM processor for the fitting of the voltage and temperature. Through a bidirectional CAN bus, the RAM processor transmits the temperature data to the gravimeter display controller, and the display controller transmits a temperature control value of a gravimeter temperature control system to the RAM processor. Meanwhile, the wireless transmitting end module is added to the RAM processor, and program updating or upgrading can be achieved through the wireless receiving end module. According to the invention, the linearity and precision of measurement can be improved, digitization is used for control, the debugging convenience is improved, the state solidification of a gravimeter constant temperature system is facilitated, and the method can be widely applied to various gravimeters.
Owner:TIANJIN NAVIGATION INSTR RES INST
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products