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CN-116124301-B - Verification and calibration device for radiation thermometer and application method thereof

CN116124301BCN 116124301 BCN116124301 BCN 116124301BCN-116124301-B

Abstract

The invention discloses a verification and calibration device of a radiation thermometer and a use method thereof, wherein the verification and calibration device comprises a base, a movable seat is arranged above the base, the base is provided with a plurality of clamping holes for placing a temperature measuring gun, and the movable seat is positioned at one side of the clamping holes; the base rotates and is connected with a plurality of telescopic cylinder, and telescopic cylinder internal thread connection has the telescopic link, telescopic link fixedly connected with slider, slider and base sliding connection, and the telescopic link sets up in centre gripping hole one side. The device is convenient to operate, can carry out verification and calibration work on a plurality of radiation thermometers, and is high in automation degree and verification and calibration efficiency.

Inventors

  • DU XUEHUI
  • YAO ZHI
  • ZHAO WENLONG
  • ZHANG YE
  • DONG CUI
  • ZHENG LEI
  • YAN FENG

Assignees

  • 泰安市计量科学研究所

Dates

Publication Date
20260505
Application Date
20230330

Claims (6)

  1. 1. The radiation thermometer verification and calibration device comprises a base (1) and is characterized in that a movable seat (6) is arranged above the base (1), a plurality of clamping holes (2) for placing a temperature measuring gun are formed in the base (1), the movable seat (6) is positioned on one side of the clamping holes (2) and is used for setting a temperature measuring block, the base (1) is rotatably connected with a plurality of telescopic cylinders (18), telescopic rods (17) are connected with inner threads of the telescopic cylinders (18), sliding blocks (16) are fixedly connected with the telescopic rods (17), the sliding blocks (16) are in sliding connection with the base (1), and the telescopic rods (17) are arranged on one side of the clamping holes (2); the telescopic cylinder (18) is fixedly connected with a connecting rod, a second gear (19) is fixedly sleeved on the connecting rod, and the connecting rod is rotationally connected with the base (1); the scroll spring (20) is sleeved on the connecting rod, one end of the scroll spring (20) is connected with the connecting rod, and the other end of the scroll spring (20) is connected with the base (1); The movable seat (6) is fixedly connected with a supporting rod (7), the supporting rod (7) is rotatably connected with a walking rod (9), and the walking rod (9) is fixedly sleeved with a walking wheel (8) and a first gear (11); the mobile seat (6) is fixedly connected with a motor (10), the motor (10) is connected with a gear (12) with a missing tooth, the upper end and the lower end of the gear (12) with missing tooth are respectively meshed with a second gear (19) and a first gear (11), and the motor (10) is connected with a controller.
  2. 2. A radiation thermometer verification and calibration device as claimed in claim 1, characterized in that the number of telescopic cylinders (18) and the number of clamping holes (2) are the same.
  3. 3. The verification and calibration device for the radiation thermometer according to claim 2, wherein the arc length of the tooth-missing gear (12) driving the travelling wheel (8) to rotate is equal to the distance between the adjacent clamping holes (2), the base (1) is provided with a sliding groove (4), and the travelling wheel (8) is arranged in the sliding groove (4) in a rolling way.
  4. 4. A radiation thermometer verification and calibration device according to claim 3, wherein the temperature measuring gun comprises a handle (13), the handle (13) is connected with a temperature measuring head (15) and a button (14), the button (14) is located at one side of a telescopic rod (17), and the temperature measuring head (15) is located at one side of a temperature measuring block (5).
  5. 5. The radiation thermometer verification and calibration device according to claim 4, wherein the temperature measuring block (5) is connected with a heating mechanism, a partition plate (3) is arranged between the plurality of clamping holes (2), the partition plate (3) is fixedly connected with the base (1), and the heating mechanism is connected with the controller.
  6. 6. A method of using a radiation thermometer verification calibration device of claim 5, comprising the steps of: S1, respectively placing a plurality of temperature measuring guns in corresponding clamping holes (2), then controlling a motor (10) to start by a controller, heating a temperature measuring block (5) by the controller through a heating mechanism, and driving a tooth-missing gear (12) to rotate by the motor (10); S2, the gear (12) with the missing teeth is meshed with the second gear (19) at first, the second gear (19) and the telescopic cylinder (18) are driven to rotate, the telescopic cylinder (18) drives the telescopic rod (17) to move, and the telescopic rod (17) moves towards the direction approaching to the button (14); S3, along with the movement of the telescopic rod (17), the telescopic rod (17) drives the button (14) to move, so that the temperature measuring head (15) works, and the temperature measuring block (5) is used for measuring the temperature; S4, along with the motor (10) driving the gear (12) with the teeth missing, after the gear (12) with the teeth missing is disconnected with the second gear (19), the reset operation of the telescopic cylinder (18) is realized under the action of the scroll spring (20), and the telescopic cylinder (18) drives the telescopic rod (17) to reset; S5, along with the continuous rotation of the tooth-missing gear (12), after the interval T, the tooth-missing gear (12) is meshed with the first gear (11), the tooth-missing gear (12) drives the first gear (11) and the travelling wheel (8) to rotate, and the travelling wheel (8) rolls in the chute (4), so that the movable seat (6) is driven to move, and the temperature measuring block (5) is driven to move to one side of the next temperature measuring gun; And S6, along with the continuous rotation of the gear (12) with the missing teeth, the gear (12) with missing teeth is meshed with the next second gear (19), and the steps S2-S5 are repeated until the verification and calibration work of all the temperature measuring guns is completed.

Description

Verification and calibration device for radiation thermometer and application method thereof Technical Field The invention relates to the technical field of verification and calibration, in particular to a verification and calibration device for a radiation thermometer and a use method thereof. Background The radiation thermometer is a measuring device which does not contact with an object and detects the surface temperature of the object by detecting the surface radiation of the object, and comprises common temperature measuring devices such as a temperature measuring gun, and the radiation thermometer has the advantages of high reaction speed, high precision and the like. Taking a temperature measuring gun as an example, when the verification calibration of the temperature measuring gun is carried out, a standard radiation thermometer is usually used as a comparison group, the temperature measuring gun is used for measuring the temperature of a temperature measuring block by adopting a mode of manually pressing the temperature measuring gun, and the temperature measuring gun is compared with the standard temperature measuring gun to verify whether the temperature measuring gun is accurate or not, and for a detector, the quantity of radiation thermometers which need to be detected every day is more, and a larger workload is brought to the detector, so that the verification calibration efficiency is seriously affected. Disclosure of Invention In order to solve the problems in the prior art, a verification and calibration device for a radiation thermometer and a use method thereof are provided. The technical scheme adopted for solving the technical problems is as follows: the invention provides a verification and calibration device for a radiation thermometer, which comprises a base, wherein a movable seat is arranged above the base, the base is provided with a plurality of clamping holes for placing a temperature measuring gun, the movable seat is positioned on one side of each clamping hole, the base is rotatably connected with a plurality of telescopic cylinders, telescopic rods are connected with the telescopic cylinders in a threaded manner, the telescopic rods are fixedly connected with sliding blocks, the sliding blocks are in sliding connection with the base, and the telescopic rods are arranged on one side of each clamping hole. Preferably, the telescopic cylinder is fixedly connected with a connecting rod, the connecting rod is fixedly sleeved with a second gear, and the connecting rod is rotationally connected with the base. Preferably, the connecting rod is sleeved with a scroll spring, one end of the scroll spring is connected with the connecting rod, and the other end of the scroll spring is connected with the base. Preferably, the number of telescopic cylinders is the same as the number of clamping holes. Preferably, the movable seat is fixedly connected with a supporting rod, the supporting rod is rotationally connected with a walking rod, and the walking rod is fixedly sleeved with a walking wheel and a first gear. Preferably, the movable seat is fixedly connected with a motor, the motor is connected with a gear with a missing tooth, the upper end and the lower end of the gear with missing tooth are respectively meshed with the second gear and the first gear, and the motor is connected with a controller. Preferably, the arc length of the tooth-missing gear driving the travelling wheel to rotate is equal to the distance between the adjacent clamping holes, the base is provided with a sliding groove, and the travelling wheel is arranged in the sliding groove in a rolling way. Preferably, the temperature measuring gun comprises a handle, wherein the handle is connected with a temperature measuring head and a button, the button is positioned on one side of the telescopic rod, and the temperature measuring head is positioned on one side of the temperature measuring block. Preferably, the temperature measuring block is connected with a heating mechanism, a spacing plate is arranged between the plurality of clamping holes, the spacing plate is fixedly connected with the base, and the heating mechanism is connected with the controller. The invention also provides a using method of the radiation thermometer verification and calibration device, which adopts the radiation thermometer verification and calibration device and comprises the following steps: S1, respectively placing a plurality of temperature measuring guns in corresponding clamping holes, then controlling a motor to start by a controller, heating a temperature measuring block by the controller through a heating mechanism, and driving a tooth-missing gear to rotate by the motor; s2, the gear with the missing teeth is meshed with the second gear at first, the second gear and the telescopic cylinder are driven to rotate, and the telescopic cylinder drives the telescopic rod to move, so that the telescopic rod moves towards the direction appro