CN219495517U - High-precision online temperature calibrator - Google Patents

High-precision online temperature calibrator Download PDF

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Publication number
CN219495517U
CN219495517U CN202320877635.4U CN202320877635U CN219495517U CN 219495517 U CN219495517 U CN 219495517U CN 202320877635 U CN202320877635 U CN 202320877635U CN 219495517 U CN219495517 U CN 219495517U
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China
Prior art keywords
temperature
sensor
check
calibrator
detection cover
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CN202320877635.4U
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Chinese (zh)
Inventor
赵振辉
何景强
谢木杰
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Zhuhai Keliang Testing Technology Co ltd
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Zhuhai Keliang Testing Technology Co ltd
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Abstract

The utility model discloses a high-precision online temperature calibrator, which comprises the following components: check gauge casing, fan subassembly and be fixed in inside air current heating element and the check sensor of check gauge casing, the inside of check gauge casing is equipped with the gas flow way that is used for intercommunication fan subassembly and air current heating element tip, and check gauge casing's one end fixed mounting has detects the cover, and air current heating element's tip is linked together with the inner chamber that detects the cover, and check sensor fixed mounting detects the inside of cover, detects the surface of cover and has seted up the venthole. According to the utility model, through arranging the novel portable online temperature calibrator structure, the detection cover is used for covering the temperature sensor to be calibrated, so that the temperature sensor is arranged in the detection cover, and the temperature calibrator calibration sensor and the temperature sensor to be calibrated are synchronously monitored under the same temperature environment under the working of the fan assembly and the air flow heating assembly, so that the temperature calibrator is used for reflecting the temperature measurement accuracy of the temperature sensor to be calibrated.

Description

High-precision online temperature calibrator
Technical Field
The utility model relates to the technical field of temperature calibration instruments, in particular to a high-precision online temperature calibration instrument.
Background
An on-line temperature calibrator is a device for measuring and calibrating temperature, commonly used in industrial production and laboratory environments. These devices typically have high precision temperature sensors and computer control systems that can accurately measure and record temperature data and automatically calibrate the thermometer as needed. Some online temperature verifiers may also be connected to other devices or systems via a network so that they can monitor and control temperature remotely.
When the existing online temperature calibrator calibrates the temperature sensor for measuring the equipment or the environmental temperature, the calibrator and the temperature sensor to be calibrated are generally placed in the same temperature environment, so that measurement objects of the calibrator and the temperature sensor to be calibrated are the same, the calibration mode needs to disassemble the temperature sensor inside the equipment and after various fixing is completed for calibration, the operation process is complex, the calibration efficiency is low, and various components such as a sensor, a signal processor and a communication device are needed to be used by the temperature calibrator, so that the calibrator is large in size and unfavorable for carrying. In view of the above, the present utility model provides a high-precision online temperature calibrator for solving the existing problems, and aims to solve the problems and improve the practical value by the technology.
Disclosure of Invention
The present utility model aims to solve one of the technical problems existing in the prior art or related technologies.
The technical scheme adopted by the utility model is as follows: a high precision online temperature calibrator comprising: the air flow detector comprises a calibrator shell, a fan assembly and an air flow heating assembly and a calibration sensor, wherein the air flow heating assembly and the calibration sensor are fixed inside the calibrator shell, an air flow channel used for communicating the fan assembly with the end of the air flow heating assembly is arranged inside the calibrator shell, a detection cover is fixedly installed at one end of the calibrator shell, the end of the air flow heating assembly is communicated with an inner cavity of the detection cover, the calibration sensor is fixedly installed inside the detection cover, an air outlet hole is formed in the surface of the detection cover, an operation plate and a display panel are arranged on the surface of the calibrator shell, the air flow heating assembly comprises a guide cylinder, a heat conducting piece and an electric heating wire, the electric heating wire is wound on the surface of the heat conducting piece, the guide cylinder is fixedly sleeved on the outer side of the heat conducting piece, and a diffuser communicated with the inner cavity of the detection cover is fixedly installed at one end of the guide cylinder.
The present utility model may be further configured in a preferred example to: the inside of check gauge casing is equipped with the control mainboard, the output and the display panel of control mainboard, fan subassembly and the input electric connection of air current heating element, and the input electric connection of air current heating element has power control module, the output and the input electric connection of control mainboard of operation panel and check sensor.
The present utility model may be further configured in a preferred example to: the input end of the control main board is provided with a sensor IO interface used for being connected with a temperature sensor to be checked, and the display panel is used for displaying temperature signals of the temperature sensor to be checked and working state information of the fan assembly and the airflow heating assembly.
The present utility model may be further configured in a preferred example to: the fan assembly is of a blower structure, the surface of the airflow heating assembly is sleeved with a heat insulation sleeve, the power end of the electric heating wire is provided with a high Wen Tutiao device, and the high-temperature jump device is used for detecting the high-temperature state of one end of the guide cylinder and carrying out jump power failure under the dangerous high-temperature state.
The present utility model may be further configured in a preferred example to: the surface of the diffuser is provided with a plurality of air outlet slots which are arranged radially outwards of the diffuser, and the air outlet slots are arc-shaped and spirally extend towards the thickness direction of the diffuser.
The present utility model may be further configured in a preferred example to: the heat conduction piece is of a ceramic cylinder structure, a plurality of air guide grooves are formed in the surface of the heat conduction piece, and the electric heating wire is spirally wound on the surface of the heat conduction piece.
The present utility model may be further configured in a preferred example to: the checking sensor is of an infrared temperature sensor structure, and the detection end of the checking sensor faces to the center of the detection cover.
The beneficial effects obtained by the utility model are as follows:
1. according to the utility model, through arranging the novel portable online temperature calibrator structure, the detection cover is used for covering the temperature sensor to be calibrated, so that the temperature sensor is arranged in the detection cover, and the temperature calibrator calibration sensor and the temperature sensor to be calibrated are synchronously monitored under the same temperature environment under the working of the fan assembly and the air flow heating assembly, so that the temperature calibrator is used for reflecting the temperature measurement accuracy of the temperature sensor to be calibrated.
2. According to the utility model, the temperature verification in various temperature states can be realized by controlling the working power of the air flow heating component to carry out different temperature regulation, the temperature verification range of the temperature sensor is improved, the dynamic temperature verification is carried out, the structure is small and exquisite, the handheld work can be carried out, and the structure is simple and the practicability is high.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a calibrator housing in accordance with an embodiment of the present utility model;
FIG. 3 is an exploded view of an air flow heating assembly according to one embodiment of the present utility model;
fig. 4 is a schematic diagram of a control circuit according to an embodiment of the utility model.
Reference numerals:
100. a calibrator housing; 110. an operation panel; 120. a display panel; 130. a detection cover; 131. an air outlet hole;
200. a fan assembly; 300. an air flow heating assembly; 310. a guide cylinder; 320. a thermal guide; 330. an electric heating wire; 340. a high temperature kicker; 350. a diffuser; 321. an air guide groove;
400. and (5) checking the sensor.
Detailed Description
The objects, technical solutions and advantages of the present utility model will become more apparent by the following detailed description of the present utility model with reference to the accompanying drawings. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.
A high-precision online temperature calibrator according to some embodiments of the present utility model is described below with reference to the accompanying drawings.
1-4, the high-precision online temperature calibrator provided by the utility model comprises: check gauge housing 100, fan subassembly 200 and be fixed in inside air current heating element 300 and the check sensor 400 of check gauge housing 100, the inside of check gauge housing 100 is equipped with the gas flow path that is used for intercommunication fan subassembly 200 and air current heating element 300 tip, check gauge housing 100's one end fixed mounting has detection cover 130, air current heating element 300's tip is linked together with the inner chamber of detection cover 130, check sensor 400 fixed mounting is in the inside of detection cover 130, air outlet 131 has been seted up on the surface of detection cover 130, the surface of check gauge housing 100 is equipped with operation panel 110 and display panel 120, air current heating element 300 includes guide cone 310, thermal conductance piece 320 and electric heater strip 330, electric heater strip 330 wrap-around is in thermal conductance piece 320's surface, and guide cone 310 is fixed cup joint in thermal conductance piece 320's outside, guide cone 310's one end fixedly has the diffuser 350 that is linked together with detection cover 130 inner chamber.
In this embodiment, a control main board is disposed in the calibrator housing 100, an output end of the control main board is electrically connected to the input ends of the display panel 120, the fan assembly 200 and the airflow heating assembly 300, and an input end of the airflow heating assembly 300 is electrically connected to a power control module, and output ends of the operation board 110 and the calibration sensor 400 are electrically connected to the input ends of the control main board. The control main board is used for realizing the general control of the components in the calibrator casing 100 for electric signal transmission.
In this embodiment, the input end of the control main board is provided with a sensor IO interface for connecting to-be-checked temperature sensors, and the display panel 120 is used for displaying temperature signals of the to-be-checked temperature sensors 400 and the to-be-checked temperature sensors and displaying operation state information of the fan assembly 200 and the airflow heating assembly 300.
Specifically, the checking sensor 400 and the temperature sensor to be checked are connected at the same time, so that information of the temperature sensor to be checked is displayed.
In this embodiment, the fan assembly 200 is a blower structure, the surface of the airflow heating assembly 300 is sleeved with a heat insulation sleeve, the power end of the electric heating wire 330 is provided with a high Wen Tutiao device 340, and the high Wen Tutiao device 340 is used for detecting the high temperature state of one end of the guide cylinder 310 to perform sudden jump power off when the dangerous high temperature state is reached.
In this embodiment, the surface of the diffuser 350 is provided with a plurality of air outlet slots arranged radially outward of the diffuser 350, and the air outlet slots are curved in an arc shape and extend in a spiral shape in the thickness direction of the diffuser 350.
Specifically, the air flow is led out spirally on the surface of the diffuser 350 and blown to the periphery of the diffuser 350 through the special air outlet slot structure of the diffuser 350 to realize the diffusion of the air flow, so that the high-temperature air flow is uniformly distributed inside the detection cover 130, and the verification sensor 400 and the temperature sensor to be verified are in the same temperature environment.
In this embodiment, the thermal conductive member 320 is a ceramic cylinder structure, and the surface of the thermal conductive member 320 is provided with a plurality of air guiding grooves 321, and the electric heating wire 330 is spirally wound on the surface of the thermal conductive member 320.
Specifically, the electric heating wire 330 and the thermal conductive member 320 are used to heat the air flow together, so that the air flow passing through the air flow heating assembly 300 is heated uniformly.
In this embodiment, the check sensor 400 is an infrared temperature sensor structure, and the detection end of the check sensor 400 faces the center of the detection cover 130.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (7)

1. The utility model provides a high accuracy online temperature check gauge which characterized in that includes: check gauge casing (100), fan subassembly (200) and be fixed in inside air current heating element (300) and check sensor (400) of check gauge casing (100), the inside of check gauge casing (100) is equipped with the gas runner that is used for intercommunication fan subassembly (200) and air current heating element (300) tip, the one end fixed mounting of check gauge casing (100) has detection cover (130), the tip of air current heating element (300) is linked together with the inner chamber of detection cover (130), check sensor (400) fixed mounting is in the inside of detection cover (130), venthole (131) have been seted up on the surface of detection cover (130), the surface of check gauge casing (100) is equipped with operation board (110) and display panel (120), air current heating element (300) are including guide cylinder (310), heat conductor (320) and electric heater strip (330), the one end of electric heater strip (330) round in the surface of 320), and guide cylinder (310) are fixed to cup joint in the outside of heat conductor (320), guide cylinder (310) are fixed to be linked together with diffuser (350) of detecting one end of detection cover (130).
2. The high-precision online temperature calibrator according to claim 1, wherein a control main board is disposed in the calibrator housing (100), an output end of the control main board is electrically connected to an input end of the display panel (120), the fan assembly (200) and the airflow heating assembly (300), an input end of the airflow heating assembly (300) is electrically connected to a power control module, and an output end of the operation board (110) and the calibration sensor (400) are electrically connected to an input end of the control main board.
3. The high-precision online temperature calibrator according to claim 2, wherein the input end of the control main board is provided with a sensor IO interface for connecting a temperature sensor to be calibrated, and the display panel (120) is used for displaying temperature signals of the calibration sensor (400) and the temperature sensor to be calibrated and operating state information of the fan assembly (200) and the airflow heating assembly (300).
4. The high-precision online temperature calibrator according to claim 1, wherein the fan assembly (200) is of a blower structure, a heat insulation sleeve is sleeved on the surface of the airflow heating assembly (300), a high Wen Tutiao device (340) is arranged at a power end of the electric heating wire (330), and the high-temperature jumper (340) is used for detecting that a high-temperature state at one end of the guide cylinder (310) is subjected to sudden jump power failure under a dangerous high-temperature state.
5. The high-precision online temperature calibrator according to claim 1, wherein the surface of the diffuser (350) is provided with a plurality of air outlet slots arranged radially outwards of the diffuser (350), and the air outlet slots are curved in an arc shape and extend in a spiral shape towards the thickness direction of the diffuser (350).
6. The high-precision online temperature calibrator according to claim 1, wherein the thermal conducting member (320) is a ceramic cylinder structure, a plurality of air guide grooves (321) are formed in the surface of the thermal conducting member (320), and the electric heating wire (330) is spirally wound on the surface of the thermal conducting member (320).
7. The high-precision online temperature calibrator according to claim 1, wherein the calibration sensor (400) is an infrared temperature sensor structure, and a detection end of the calibration sensor (400) faces a center of the detection cover (130).
CN202320877635.4U 2023-04-19 2023-04-19 High-precision online temperature calibrator Active CN219495517U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320877635.4U CN219495517U (en) 2023-04-19 2023-04-19 High-precision online temperature calibrator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320877635.4U CN219495517U (en) 2023-04-19 2023-04-19 High-precision online temperature calibrator

Publications (1)

Publication Number Publication Date
CN219495517U true CN219495517U (en) 2023-08-08

Family

ID=87479646

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320877635.4U Active CN219495517U (en) 2023-04-19 2023-04-19 High-precision online temperature calibrator

Country Status (1)

Country Link
CN (1) CN219495517U (en)

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