19results about How to "Accurate temperature detection" patented technology

The electric pump comprises an electric control assembly, the electric pump is provided with a first cavity, the electric pump is provided with a cavity inflow channel and a cavity outflow channel, the cavity inflow channel and the cavity outflow channel communicate with the first cavity, the electric control assembly comprises a temperature detection unit and a circuit board, and the temperature detection unit is electrically connected with the circuit board. In the projection of the cavity inflow channel on the first surface and the projection of the cavity outflow channel on the first surface, the projection relatively close to the central axis of the electric pump is a first projection, the projection relatively far away from the central axis of the electric pump is a second projection, and the maximum distance from the center of the first projection to the second projection is a first distance; the temperature detection unit is located in a circular area with the center of the first projection as the circle center and the first distance as the radius. Or the circuit board is provided with a diversion hole, the diversion hole penetrates through the first surface and the second surface, and a gap is formed between the temperature detection unit and the diversion hole. The device has the characteristic of accurately detecting the temperature of the working medium.

The invention discloses a display module, a driving method thereof and a display device, the display module comprises a driving chip, a plurality of first signal lines and a plurality of sub-pixels, the first signal lines are electrically connected with the driving chip, and the plurality of first signal lines are mutually insulated; the sub-pixel comprises a pixel circuit and a light-emitting element, the pixel circuit comprises a first switch unit, the first end of the first switch unit is electrically connected with the first end of the light-emitting element, and the second end of the first switch unit is electrically connected with the first signal line; the working process of at least part of the pixel circuits comprises a display driving stage and a detection stage; in a display driving stage, the driving chip is used for resetting the first end of the light-emitting element through the first signal line and the first switch unit; in the detection stage, the driving chip is used for detecting a voltage signal of the first end of the light-emitting element through the first signal line and the first switch unit. According to the technical scheme, the temperature of the light-emitting element can be accurately detected, the structure is simple, and the cost is low.

The electric pump comprises a rotating assembly and an electric control assembly, the electric pump is provided with a first cavity, the electric control assembly and at least part of the rotating assembly are located in the first cavity, the electric pump is provided with a cavity inflow channel, the cavity inflow channel communicates with the first cavity, the electric control assembly comprises a circuit board and a temperature detection unit, and the temperature detection unit is electrically connected with the circuit board. The temperature detection unit comprises a temperature sensing part, and the rotating assembly comprises a first end part; the cavity inflow channel is provided with a channel opening in the end face of the first end, and at least part of the temperature sensing part is located in the cavity inflow channel. Or, the cavity inflow channel is provided with a flow channel opening in the side wall of the first end part, and at least part of the temperature sensing part can be opposite to the flow channel opening in the radial direction of the electric pump. The device has the characteristic of accurately detecting the temperature of the working medium.

The invention discloses a current transformer with a temperature compensation function and a compensation method thereof. The current transformer comprises an optical fiber sensing ring, an acquisition module, a temperature detection module and a temperature compensation module, wherein the current acquisition module is used for being connected to an optical fiber sensing ring, generating an optical signal entering the optical fiber sensing ring, and performing photoelectric conversion and signal processing on the optical signal generated by the optical fiber sensing ring under the action of a to-be-detected current to obtain a current sensing signal; the temperature detection module is used for detecting a temperature signal of the optical fiber sensing ring; and the temperature compensation module is used for determining a temperature compensation coefficient based on the temperature signal and performing temperature compensation processing on the current induction signal based on the temperature compensation coefficient. The accuracy of temperature detection is improved, and the accuracy of temperature compensation is further improved.

The present invention relates to a liquid rapid heating device, comprising: a sleeve; a heating body, which is arranged in the sleeve, and whose extension direction is consistent with the extension direction of the sleeve; a guide groove is arranged on the outer wall of the heating body along its extension direction, and a water flow channel is formed by the gap between the guide groove of the heating body and the inner wall of the sleeve; a heat transfer element is attached to the outer wall of the heating body, and the inner wall of the sleeve has a part that fits tightly with the heat transfer element, and a temperature sensing device is arranged on the fitting part. The heat transfer platform can fit tightly with the temperature sensing platform on the sleeve wall, so that the heat generated by the heating body can be quickly transferred to the temperature sensing platform of the sleeve, the temperature distribution on the temperature sensing platform is more uniform, and the temperature detection of the temperature sensing device is more accurate.

The invention relates to the technical field of atomization equipment, in particular to a control method and device of atomization equipment, the atomization equipment and a storage medium, and the atomization equipment comprises a battery assembly and a control assembly; the battery assembly and the control assembly are each provided with at least one temperature detection device. The method comprises the steps that in the awakening process of the atomization equipment, the current temperature of each temperature detection device is obtained according to a preset period and / or a preset number of times; and when the current temperatures of all the temperature detection devices exceed the reference range, it is determined that the atomization equipment is abnormal, and the atomization equipment is shut down. According to the method, through dual detection of the temperature of the battery assembly and the control assembly, the possibility that the atomization equipment stops working due to the fact that the temperature cannot be detected when any temperature detection device breaks down is reduced, and the accuracy of temperature detection can be further improved while the use feeling of a user is guaranteed.

The invention provides a temperature measuring device of an electrostatic chuck, the electrostatic chuck comprises a first electrode and a second electrode, the temperature measuring device comprises a plurality of adsorption parts and a plurality of temperature measuring parts, the adsorption parts are used for being placed on the surface, used for adsorbing a wafer, of the electrostatic chuck at intervals, and at least one adsorption part is placed corresponding to the first electrode. At least the other adsorption part is placed corresponding to the second electrode, the adsorption parts are at least electrically connected with two adsorption parts placed corresponding to the first electrode and the second electrode respectively, and the adsorption parts can be adsorbed on the electrostatic chuck when positive and negative adsorption voltages are loaded on the first electrode and the second electrode respectively; and the plurality of temperature measuring parts are arranged in one-to-one correspondence with the plurality of adsorption parts and are used for measuring the temperature of a plurality of positions of the electrostatic chuck. The temperature measuring device of the electrostatic chuck can accurately, flexibly and conveniently detect the temperature uniform distribution difference of the surface of the electrostatic chuck without damage.

The electric heating type double-temperature-control multipurpose constant-temperature drying box comprises a box body and a box door, a flow guide assembly is arranged in the box body, an inner cavity of the box body is divided into a drying chamber and a heating chamber through the flow guide assembly, the flow guide assembly comprises an upper partition plate, a lower partition plate and a middle partition plate, and the upper partition plate and the lower partition plate are fixedly connected with the upper side and the lower side of the box body respectively; the lower end of the middle partition plate is hinged to the lower partition plate, the upper end of the middle partition plate is detachably connected with the upper partition plate, a hot air motor and an electric heater are arranged in the heating chamber, a through groove is formed in the bottom of the drying chamber, a rubber ring and a rotating platform are arranged in the through groove, and a limiting disc, a first temperature sensor and a second temperature sensor are arranged on the side wall of the drying chamber. And a supporting plate is inserted into the limiting disc. The drying device has the beneficial effects that articles can be prevented from being directly blown, and the articles in the drying chamber can be uniformly dried; the material box is convenient to take and place to maintain the heating component; and different drying requirements of articles can be met.

The invention relates to the technical field of refrigerator sensor installation, and discloses a refrigeration sensor installation structure in a refrigerator and the refrigerator, the refrigeration sensor installation structure comprises a refrigeration inner container, a sensor support assembly and a refrigeration sensor, one side of the refrigeration inner container is provided with an installation hole, and one end of the sensor support assembly is arranged on the outer wall of the refrigeration inner container; the other end of the sensor support assembly penetrates through the mounting hole and is located in the refrigeration inner container, and the refrigeration sensor is arranged on the sensor support assembly and located in the refrigeration inner container. Cross-wall installation of the sensor support assembly is achieved through the installation hole of the refrigeration inner container, one end of the support assembly is fixed to the outer wall of the inner container, the other end of the support assembly extends into the inner container, the refrigeration sensor is assembled at the inner end of the support assembly, the sensor does not need to be pre-installed in a refrigeration air channel and then assembled with the inner container, and a sensor connector and a wiring terminal do not need to be in butt joint in advance. The assembly process is greatly simplified, the problems that traditional installation procedures are tedious, and the operation space is limited are solved, and the production efficiency of the whole machine is remarkably improved.

The utility model discloses a sensor fixing device for track detection, which comprises a track, two ends of the track are respectively clamped with a first U-shaped plate and a second U-shaped plate, one end of the first U-shaped plate far away from the track is fixedly connected with a connecting plate, a first worm rotatably connected with the connecting plate is arranged on the connecting plate in a penetrating manner, and a second worm rotatably connected with the second U-shaped plate is arranged on the second U-shaped plate. The tail end of the first worm is fixedly connected with a second worm, the tail end of the second worm is rotationally connected with the connecting plate, the outer wall of the first worm is fixedly connected with a handle, and the first worm and the second worm are both meshed with worm wheels. According to the fixing device, traditional bolt installation is replaced, and the fixing device can be firmly installed through the self-locking performance of the worm gear and the worm; by arranging the air bag, the sensor can abut against the surface of the track, and the detection precision is improved.

The invention provides a high-precision laser welding temperature measurement optical device and system, and the device comprises a welding mechanism which comprises a laser transmission joint, a light path transmission lens and a dual-band achromatic field lens, and the light path transmission lens is disposed between the laser transmission joint and the dual-band achromatic field lens; and the temperature detection mechanism comprises a temperature measurement sensor and a temperature signal processor, and the temperature measurement sensor is in signal connection with the temperature signal processor. According to the laser welding device, laser welding machining is conducted on the to-be-welded element through the welding mechanism, effective overlapping and synchronous follow-up of double light spots can be guaranteed through the double-waveband achromatic field lens, and therefore the purpose of guaranteeing the consistency and quality stability of the welding process is achieved. In the process, the temperature detection mechanism can analyze and monitor the welding heat according to the feedback laser, and compared with existing conventional laser welding equipment, the laser welding equipment has the advantages of being high in welding quality, capable of achieving real-time monitoring, accurate in temperature detection, high in effect speed, wide in application range and the like.

The utility model discloses a boiling point difference detection device, including heating device, evaporating kettle, liquid phase thermometer, gas phase thermometer and condensing structure, evaporating kettle is placed on heating device, is equipped with the cavity in evaporating kettle, and the top of evaporating kettle has the feed inlet and the steam outlet, liquid phase thermometer inserts into the cavity, gas phase thermometer is installed on evaporating kettle, condensing structure includes first condenser, first metering tank and vacuum pump, and first condenser has first condensate outlet, and first metering tank communicates with first condensate outlet, the utility model discloses install liquid phase thermometer and gas phase thermometer on evaporating kettle, utilize first condenser to carry out condensation to the steam that evaporating kettle discharged, and store the condensate to first metering tank, based on above operation, can calculate the temperature difference of liquid phase thermometer and gas phase thermometer and according to the condensate amount, can calculate the concentration of solute in solution, and then real -time acquisition solution concentration and boiling point difference.

The utility model discloses a wireless charging temperature control vacuum cup. The water cup comprises a base, a shell is installed at the top of the base, a control panel is arranged in the middle of one side of the shell, a cup cover is arranged at the top of the shell, a charging coil is arranged in the middle of the bottom of the base, and a first partition plate is arranged at the bottom end in the base; a storage battery is installed at the top of the first partition plate, a second partition plate is installed at the bottom end in the shell, and an electric heating plate is arranged in the middle of the top of the second partition plate. According to the vacuum cup, the storage battery in the vacuum cup is charged through the charging coil, a charging port does not need to be arranged, the situation that electronic devices in the vacuum cup are short-circuited and the like can be avoided, the temperature of a solution in the vacuum cup can be kept at a certain temperature through cooperation of the control panel, the electric heating plate, the temperature sensor and the heat conduction inner container, and the vacuum cup is convenient to use. Therefore, the heat preservation effect of the vacuum cup is improved.

The utility model belongs to the technical field of instant heating type liquid heaters, and discloses an instant heating type electric steam heater which comprises a first coil pipe and a second coil pipe arranged in the first coil pipe, and in-line or spiral heating pipe rows are evenly distributed between the first coil pipe and the second coil pipe. A shell is further included, and a second coil pipe is arranged in the shell; a first water inlet and a first steam outlet are formed in the two ends of the first coil pipe correspondingly and extend out of the two ends of the shell correspondingly. A second water inlet and a second steam outlet are formed in the two ends of the second coil pipe correspondingly and extend out of the two ends of the shell correspondingly. And the power connection ports at the two ends of the heating tube row respectively extend out of the two ends of the shell. By adopting the first coil pipe and the second coil pipe, the distance of liquid water flowing through the pipeline is increased, and the liquid water is ensured to have enough heating time to be gasified to generate steam. The heating pipe row is wrapped between the first coil pipe and the second coil pipe in a surrounding mode, and heat emitted by the heating pipe row can be fully absorbed.

The utility model relates to the technical field of mine hoist, concretely is a mine hoist hotspot detection device, including equipment casing, machine shell, temperature sensor, signal processing module, data transmission module and monitoring terminal, the top middle place of machine shell is equipped with the mounting hole for temperature sensor installation, and the bottom of temperature sensor is provided with detection probe, the periphery inner wall of machine shell is fixedly installed with mounting plate, and the bottom middle place of mounting plate is fixedly installed with heat conduction cylinder, the utility model discloses through heat conduction silica gel filler can effectively eliminate the air gap between detection probe and heat conduction cylinder, significantly speeds up the heat transfer speed, lets temperature sensor can more quickly perceive the temperature change of mine hoist, simultaneously, through heat conduction cylinder and heat conduction fin further improve the heat conduction efficiency, make temperature detection more timely and accurate, avoid the detection delay or misjudgment caused by heat transfer lag.

The utility model discloses a kind of test devices for monitoring the friction state of friction liner, it is related to friction liner detection field.The device includes machine body, reciprocating motion piece is arranged on machine body, the side of machine body top is provided with dustproof heat preservation unit, and the inside of heat preservation bin in dustproof heat preservation unit is movably clamped with liner;Guiding dust extraction part is arranged in the inner bottom of heat preservation bin;Infrared temperature sensor is arranged at the side of heat preservation bin.The device can provide relatively closed space for friction test by heat preservation bin, reduce heat dissipation, make test environment more close to actual use scene, simultaneously guide dust extraction part, collect the debris generated by friction in time, prevent dust diffusion, keep experimental environment clean, conducive to the health of experimental personnel.Infrared temperature sensor is arranged in heat preservation bin, can accurately detect the temperature when liner rubs in relatively stable temperature environment, improve the accuracy of temperature monitoring.

This utility model discloses a compressor motor rotor temperature measurement and control device and an air conditioner. The compressor motor rotor temperature measurement and control device includes: a cooling liquid spraying device, a rotor temperature measuring element, a transmission element, a controller, and a power supply system. The spray outlet of the cooling liquid spraying device is connected to the outer wall of the compressor housing. The power supply system is located inside the compressor housing and is connected to the transmission element and the rotor temperature measuring element. The rotor temperature measuring element is located on the male rotor shaft of the compressor, corresponding to the inner circumferential surface of the motor rotor. The transmission element is connected to the rotor temperature measuring element. The controller, transmission element, cooling liquid spraying device, and compressor are all communicatively connected. This utility model achieves precise temperature measurement and control of the motor rotor through the rotor temperature measuring element, transmission element, power supply system, cooling liquid spraying device, and controller.

The utility model discloses an engine test liquid detection device, which relates to the technical field of engine test liquid and comprises a detection device main body, and an input pipe is detachably mounted at one end of the detection device main body. According to the engine test liquid detection device, the flow, the flow speed and the temperature of the engine test liquid are detected in a shunting mode through the arranged shunting pipe, the flow monitoring probe and the temperature monitoring probe are not arranged in the same pipeline any more, circulation of the engine test liquid in the pipeline is not affected, the circulation efficiency of the engine test liquid is improved, and the service life of the engine test liquid is prolonged. The flow monitoring probe and the temperature monitoring probe are separated to monitor data more accurately, the engine test liquid is separated and choked through arc-shaped structures at the first spoiler and the second spoiler, the pressure of the engine test liquid in the output pipe is secondarily weakened, scouring of the engine test liquid to the temperature monitoring probe is reduced, and the service life of the engine test liquid is prolonged. And the temperature monitoring probe is more accurate in temperature detection.

The utility model relates to the technical field of incense or fragrance tasting, in particular to a heating and temperature detection integrated heating sheet and a heating control system, the heating sheet comprises a heating substrate, a first electric conductor and a second electric conductor are coiled on the surface of the heating substrate, the first electric conductor and the second electric conductor are made of different materials, and the first electric conductor and the second electric conductor are made of different materials. One end of the first conductor is electrically connected in series with one end of the second conductor; the first electric conductor and the second electric conductor jointly form a heating wire. The first electric conductor and the second electric conductor which are made of different materials are arranged on the heating substrate to form the heating wire, so that the heating wire and the heating substrate are integrated, the heating wire can be used for heating when the heating wire is powered on, and temperature detection can be carried out through the heating wire when the heating wire is powered off, so that the temperature detection is more accurate, and the temperature control is more accurate.