20results about How to "Improve temperature detection accuracy" patented technology

The invention provides a personnel and equipment safety detection system and method based on an infrared thermal imaging technology. The system comprises an infrared imaging sensor, an environment monitoring and predicting assembly and a data processor, and the infrared imaging sensor and the environment monitoring and predicting assembly are connected with the data processor. The infrared imaging sensor is used for monitoring the environment temperature of the monitoring area; the environment monitoring and predicting assembly is used for collecting environment data of the monitoring area, the environment data at least comprises environment temperature, predicting environment change of the monitoring area according to the environment data to obtain environment prediction information of the monitoring area, and determining target system parameters of the infrared imaging sensor according to the environment prediction information; and the data processor is used for adjusting the infrared imaging sensor according to the target system parameters of the infrared imaging sensor. The system parameters of the infrared imaging sensor can be adjusted based on the actual environment condition, and the quality and the temperature detection precision are improved.

The invention provides a chip junction temperature testing method and device, and the method comprises the steps: obtaining a relation curve between the temperature of an environment where a tested chip is located and the electrical parameters of a protection element in an ESD protection circuit in advance when the tested chip is in a non-power-on state, and carrying out the testing of the junction temperature of the chip in a power-on working state of the tested chip, and detecting electrical parameters of a protection element in the ESD protection circuit, and then according to the electrical parameters, through a relation curve of the environment temperature and the electrical parameters of the protection element in the ESD protection circuit, calculating to obtain the current environment temperature when the detected chip works. Therefore, the junction temperature detection of the chip can be realized by multiplexing the ESD protection circuit on the basis of not additionally increasing a chip circuit structure, and the temperature detection precision is ensured while the cost and the chip area are reduced.

The present invention discloses a temperature field measurement and balancing method and device for electronic thermometer calibration. The present invention includes a constant temperature water tank, a loading platform, a thermometer oblique insertion device, an L-shaped cylindrical scale rod, a liquid level detection switch and a temperature measurement balance device. A loading platform is arranged above the constant temperature water tank, and three thermometer oblique insertion devices are symmetrically arranged on the front and rear sides of the loading platform. The liquid level detection switch is fixed to the loading platform through an inverted L-shaped support frame; a linear module is installed on the loading platform, and the top surface of the loading grid is connected to the linear module through a connecting rod. An L-shaped glass cylindrical scale rod is fixed to one side of the loading platform through an inverted L-shaped support frame, and the tail end of the L-shaped glass cylindrical scale rod is connected to the water outlet at the bottom of the constant temperature water tank through a silicone tube. The present invention can ensure that the electronic thermometer and the thermometer are at the same calibration position and height, solve the problem of liquid level drop caused by water evaporation, and improve the temperature measurement accuracy of the thermometer during the calibration of the electronic thermometer.

The utility model discloses a heating appliance with a magnetic suction structure, which comprises a body, a power supply device and a heating appliance, a temperature sensor is arranged in the heating appliance, the heating appliance is heated by the body, the power supply device is arranged in the body, a first magnetic suction head is arranged on the body and electrically connected with the power supply device, a second magnetic suction head is arranged on the heating appliance, and the second magnetic suction head is electrically connected with the power supply device. The first magnetic suction head is electrically connected with the second magnetic suction head, and the temperature sensor is electrically connected with the second magnetic suction head. Through the arrangement of the first magnetic suction head and the second magnetic suction head, when the heating appliance is placed at a heating position on the body, the two magnetic suction heads are in contact and are tightly sucked, at the moment, the temperature sensor can be connected with the power supply device, the temperature sensor can conveniently detect the temperature in the heating appliance, and the temperature detection precision is improved; meanwhile, tight attraction is achieved through magnetic attraction, manual insertion is not needed, automatic alignment is achieved through magnetic attraction, operation is simplified, and operation is convenient.

The invention provides a power module, a motor controller of a vehicle and the vehicle. The power module comprises a power module and a detection mounting piece, the power module comprises a base body and a power chip installed on one side of the base body, and the detection installation part is connected to the side, provided with the power chip, of the base body. One side, facing the power chip, of the detection installation part is provided with a temperature detection part, and at least the part, corresponding to the temperature detection part, of the detection installation part has elasticity, so that the temperature detection part can elastically abut against the power chip to detect the temperature of the corresponding power chip, and the temperature detection precision can be improved.

The subject of the present invention is to improve the temperature detection accuracy. The temperature detection device (1-1) has a temperature detection diode (Dt), a comparator (12) and a forward current correction circuit (10-1). The comparator (12) compares the forward voltage of the temperature detection diode (Dt) with a threshold voltage (VOH) and outputs a level signal corresponding to the temperature state. The forward current correction circuit (10-1) has a current mirror circuit (11a) including a PMOS transistor (11a1) and a PMOS transistor (11a2), an NMOS transistor (16), an operational amplifier (15) and a variable resistor (Rv1), and corrects the forward current (IF) of the temperature detection diode (Dt) to change the forward voltage (VF).

The invention discloses a crystal furnace array type temperature measuring device and system, and relates to the field of temperature measuring devices. An array type temperature measuring device for a crystal furnace is applied to the crystal furnace and comprises a temperature measuring sleeve with the surface sleeved with a first flange plate, and the temperature measuring sleeve penetrates through the two sides of the crystal furnace. According to the array type temperature measuring device for the crystal furnace, the detection end of an infrared pyrometer and a temperature conducting rod are located on the same center line, and the infrared pyrometer can directly measure the temperature conducting rod through an optical lens; the temperature detection precision is effectively improved, meanwhile, heat generated by the crystal furnace can be used for controlling the temperature conduction rod to move left and right in a reciprocating mode, and therefore dust and other impurities on the surface, located in the crystal furnace, of the temperature conduction rod can be scraped away through the annular scraper, the temperature conduction deviation of the temperature conduction rod is effectively reduced, and the service life of the temperature conduction rod is prolonged. Therefore, the accuracy of temperature measurement of the infrared pyrometer is ensured, so that a worker can accurately align the crystal furnace.

The utility model discloses a battery protection unit, a battery and electronic equipment, and relates to the technical field of batteries. The battery protection unit comprises a circuit board with a main body part and an extension part, and a thermistor arranged on the extension part. The extension part is arranged on one side of the main body part and is electrically connected with the main body part, a first electric connecting piece and a second electric connecting piece which are electrically connected with the extension part are arranged on the extension part, the first electric connecting piece is used for being electrically connected with a positive electrode of a battery cell, and the second electric connecting piece is used for being electrically connected with a negative electrode of the battery cell. And the thermistor is electrically connected with the extension part, is positioned between the first electric connecting piece and the second electric connecting piece, and is arranged close to the battery cell after the battery protection unit and the battery cell are assembled. According to the battery protection unit provided by the invention, the distance between the thermistor and the battery cell is shortened, and the influence of components on the main body part on the thermistor is reduced, so that the temperature detection precision of the battery protection unit on the battery cell is improved, and the use safety and use performance of the battery cell are improved.

The utility model relates to a burner and a gas stove. The burner comprises a burner head, a burner cap and a photoelectric detector. The burner cap is arranged on the burner head, and a vertically-through light through hole is formed in the center of the burner cap and the center of the burner head. The photoelectric detector is used for being electrically connected with the signal processor, the photoelectric detector is arranged on the furnace end, and the photoelectric detector can sense infrared radiation energy generated by the pot bottom through the light through hole. Compared with a mode of detecting temperature through a photoelectric detector in the prior art, the photoelectric detector in the embodiment is directly arranged on the furnace end, the photoelectric detector and the signal processor are separately arranged, so that the photoelectric detector is close to the pot bottom as far as possible, the diameter size of the light through hole can be reduced, a furnace end with a large size does not need to be designed, and the cost is reduced. And the effects of saving materials and reducing the cost are achieved.

The application discloses a high-temperature-resistant and corrosion-resistant full-temperature-range measuring ceramic temperature sensor and a preparation method thereof, and belongs to the technical field of temperature sensors.The high-temperature-resistant and corrosion-resistant full-temperature-range measuring ceramic temperature sensor comprises an ultrasonic sensing ceramic rod, one end of the ultrasonic sensing ceramic rod is sequentially provided with a crystallization orientation induction layer, a piezoelectric functional layer, a protective layer and a high-temperature-resistant electrode layer from inside to outside, and the piezoelectric functional layer is a (002) oriented columnar crystal AlScCrN coating.The application has the beneficial effect that the ceramic material is applied to temperature detection as a temperature sensor, the shortcomings that a traditional thermocouple has a slow response speed and cannot work in a corrosive environment are avoided, the ceramic temperature sensor can work from a low temperature of liquid nitrogen to a high temperature of 2500 DEG C, and the temperature measurement in a wide temperature range is realized for the first time.

The invention provides a silicon carbide semiconductor device and a method for manufacturing the silicon carbide semiconductor device. A main semiconductor element and a temperature sensor unit (10) for detecting the temperature of the main semiconductor element are provided on a semiconductor base body (101) formed from SiC. The temperature sensing unit (10) is a lateral pn junction diode formed on the polysilicon layer (3), and is provided on the front surface of the semiconductor substrate (101) via an interlayer insulating film (9). A p-type anode region (1) of a temperature sensing unit (10) is formed by ion implantation of B or In into a polysilicon layer (3). An n-type cathode region (2) of a temperature sensing unit (10) is formed by ion implantation of P or Sb into a polysilicon layer (3). The p-type anode region (1) has a sheet resistance at 25 DEG C of 50-170 Omega / sq. The n-type cathode region (2) has a sheet resistance at 25 DEG C of 80-400 Omega / sq. Therefore, the temperature detection accuracy of the temperature sensing part (10) can be improved.

This invention discloses an antibacterial smart sofa fabric with integrated temperature sensing and its control method, belonging to the field of temperature measurement technology. The invention includes the following: an antibacterial fabric base layer loaded with antibacterial particles, forming a double-layer structure and bonded together; a temperature sensing integrated module with a temperature sensor integrated between the fabric base layers; an intelligent control module with a microcontroller as its core, receiving data and outputting control commands; a power supply module including a battery and a wireless charging coil, featuring protection functions and low battery warnings; a human-machine interaction module with a display screen and physical buttons displaying core information; a data storage module using a storage chip to store relevant operational data; and an antibacterial enhancement and control module including atomization and airflow circulation units, automatically activating when antibacterial activity is insufficient. This invention provides stable and long-lasting antibacterial performance, maintaining a long-term antibacterial effect through a dynamic enhancement mechanism. Distributed sensing and environmental compensation design improve measurement reliability, and multimodal interaction is convenient, adapting to different usage scenarios.

The invention discloses an adjustable double-channel vertical morning check device, and belongs to the technical field of morning check equipment, the adjustable double-channel vertical morning check device comprises channel gates, self-adaptive recognition devices, wrist temperature measurement assemblies and trigger pedals, the channel gates are distributed on a base side by side, the self-adaptive recognition devices are movably arranged on one sides of the tops of the channel gates, and the wrist temperature measurement assemblies are connected with the self-adaptive recognition devices; the self-adaptive recognition device comprises an automatic adjusting assembly, a portrait recognition display screen and a rotating base, the portrait recognition display screen is connected with the surface of the rotating base through the automatic adjusting assembly, the wrist temperature measuring assembly is connected with one side of the top of the channel gate, and the wrist temperature measuring assembly is arranged on one side of the self-adaptive recognition device; the wrist temperature measuring assembly comprises a wrist supporting plate and a springback base, the wrist supporting plate is elastically arranged on the springback base in a sliding mode, the springback base is fixedly arranged on the surface of the channel gate, a temperature detection module is arranged on the inner side surface of the wrist supporting plate, and the trigger pedal is arranged on the surface of the base on one side of the channel gate.

The application provides a distributed optical fiber temperature measurement positioning calibration method and system based on Raman effect, relates to the technical field of optical fiber temperature measurement calibration, and comprises the following steps: acquiring a Raman scattered light signal to extract a temperature distribution; performing expansion causal convolution and linear activation to obtain an optical fiber starting point coordinate prediction value; constructing a graph topology structure, constructing an adaptive adjacency matrix based on a temperature gradient, and performing feature extraction; performing lifting wavelet decomposition and adaptive denoising on the graph topology features, and performing registration and calibration after reconstructing a temperature field.

The invention discloses a temperature and current detection device for a rail transit high-voltage connector, and relates to the technical field of temperature and current detection for high-voltage connectors, the temperature and current detection device comprises a connector, one side of the connector is fixedly provided with a shielding tube, the shielding tube is internally provided with a contact member, and the contact member is internally sleeved with a cable; the device comprises a shielding tube, the outer wall of the shielding tube is fixedly sleeved with a current transformer, the upper surface of the current transformer is fixedly connected with a mounting seat, the outer wall of the mounting seat is fixedly provided with a manual adjusting mechanism, and the output end of the manual adjusting mechanism is fixedly connected with a temperature detection mechanism. The position of the temperature sensor can be conveniently adjusted through the manual adjusting mechanism, so that the temperature sensor is in contact with or separated from the contact piece, and the temperature change conducted by the cable can be accurately detected.

A battery module is provided. In an example embodiment, a battery module includes: a battery cell; a bus bar holder disposed to face the battery cells; a first substrate disposed on the bus bar holder; a second substrate extending from the first substrate and including a first surface facing the battery cells and a second surface opposite to the first surface; a detection member mounted on the second surface and configured to detect a temperature of the battery cell; a support member mounted on the first surface and in contact with the battery cells; and a pressing member connected to the bus bar holder and configured to press the support member toward the battery cells. In the battery module according to one or more embodiments of the present disclosure, the support member may be in close contact with the battery cells through the pressing member, so that the relative position of the detection member with respect to the battery cells may be prevented from being arbitrarily changed, and the temperature detection precision may be improved.

The infrared induction device comprises a robot body, a supporting column and a guide rail, a table block is arranged on the robot body, the supporting column is installed on the table block in a sliding mode through a sliding assembly, and the supporting column conducts autonomous lifting motion on the table block through a driving assembly. According to the infrared induction device for the inspection robot, through structural cooperation, it is ensured that the distance between infrared induction and belt conveying equipment is the same when the inspection robot conducts inspection; and the temperature detection precision of infrared induction on each part of the belt conveying equipment is improved.

The utility model relates to the technical field of resin temperature control, and discloses a 3D printing temperature control system and a 3D printer, the temperature control system comprises a resin tank, a plurality of heating devices, a heat preservation bin, a temperature sensor and a controller, the resin tank, the plurality of heating devices and a temperature control module are all located in the heat preservation bin, and the resin tank is used for storing resin; the plurality of heating devices are uniformly distributed right above the resin tank and are used for heating the resin; the temperature sensor is connected with the input end of the controller and used for collecting the current temperature of the resin and transmitting the current temperature to the controller; the output end of the controller is connected with the multiple heating devices, and the controller is used for controlling the multiple heating devices according to the relation between the current temperature of the resin and the preset temperature range so that the temperature of the resin can be kept within the preset temperature range. According to the 3D printing temperature control system, the multiple heating devices evenly distributed over the resin tank are used for heating resin, the heating speed is high, and the resin is heated more evenly.

The invention relates to the field of temperature sensors, in particular to a modular combined temperature sensor which comprises a signal processing module, the top of the signal processing module is connected with a communication module, a power module is embedded in the inner wall of the signal processing module, and the bottom of the signal processing module is connected with a temperature sensing module through a wire. The temperature sensing module comprises a temperature sensor detection rod, and a cleaning mechanism is installed on the surface of the temperature sensor detection rod. Through the arrangement of the cleaning ring, the cleaning brush, the semicircular ring, the flat plate, the first threaded rod, the butt joint plate and the semicircular pipe, the semicircular pipe is in threaded connection with the first threaded rod, when the semicircular pipe moves downwards, the first threaded rod drives the temperature sensor detection rod to rotate, and the cleaning brush cleans impurities on the surface of the temperature sensor detection rod; impurities are prevented from accumulating on the surface of the temperature sensor detection rod to influence detection data, and the temperature detection precision is improved.

The application provides a temperature detection method and system based on automatic detection of a temperature sensor, relates to the technical field of automatic detection of a temperature sensor, and comprises the following steps: when the identification result is an intelligent temperature sensor, a target communication action is obtained by screening a candidate communication action set through an intelligent sensor context vector; an initial intelligent decision model is optimized in parameters according to communication feedback data, and an optimized intelligent decision model is obtained; when the identification result is a traditional temperature sensor, a target measurement action is obtained by screening a candidate measurement action set through a traditional sensor context vector; an initial traditional decision model is optimized in parameters according to measurement feedback data, and an optimized traditional decision model is obtained; the optimized intelligent decision model or the optimized traditional decision model is locked as a final decision model, a final detection action is generated through the final decision model, and a temperature sensor to be detected executes a temperature detection task according to the final detection action.