Temperature calibration furnace convenient to clean

By employing a motor-driven threaded rod system and fixture in a temperature calibration furnace, precise control of the sensor insertion depth is achieved, solving the problem of uncontrollable sensor insertion length and improving measurement accuracy and consistency.

CN223870215UActive Publication Date: 2026-02-03BEIJING EPOCH-TECH TECH CO LTD
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Patent Information

Application Number
CN202520632011.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-03
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

When using a temperature calibration furnace for calibration, the length of the sensor insertion part cannot be controlled, which causes the measurement results to be affected by the ambient temperature, the temperature gradient inside the furnace, and the thermal response characteristics of the sensor itself, thus affecting the measurement accuracy and consistency.

Method used

Design an easy-to-clean temperature calibration furnace that uses a motor-driven threaded rod system and clamps. The sensor is held by gripping blocks and springs, and the sliding of slide rails and moving plates enables precise control of the sensor insertion depth. A measuring ruler is also provided to observe the movement distance and ensure consistent insertion length.

Benefits of technology

By precisely controlling the sensor insertion depth, the influence of ambient temperature and furnace temperature gradient is reduced, thereby improving the accuracy and consistency of measurements.

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Abstract

The utility model relates to the field of temperature calibration furnaces, in particular to a temperature calibration furnace convenient to clean, which comprises a calibration furnace body, a motor, a threaded rod and a moving block, two first sliding rails are fixedly connected to the rear position of the top of the calibration furnace body, and a first moving plate is fixedly connected to the tops of the first sliding rails. The top of the first moving plate is fixedly connected with two second sliding rails, the tops of the second sliding rails are fixedly connected with a second moving plate, the right position of the top of the second moving plate is fixedly connected with a motor, and the output end of the motor is fixedly connected with a threaded rod; the temperature sensor is aligned with the corresponding slot by pushing the moving block, then the motor drives the threaded rod to rotate to enable the moving block to drive the stable sensor to move downwards, the moving distance can be observed through the measuring scale for control, and the problems that the length of the sensor insertion part cannot be controlled and the stability is poor are solved. And the measurement result is influenced by the environment temperature, the temperature gradient in the furnace and the thermal response characteristic of the sensor.
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Description

TECHNICAL FIELD

[0001] The utility model relates to temperature calibration furnace field especially, relate to a kind of temperature calibration furnace convenient to clean. BACKGROUND

[0002] Temperature calibration furnace can make user accurate calibration to thermometer, thermocouple and other temperature measuring device by providing an extremely stable and accurate temperature environment, usually have wide working temperature range, and can keep high stability and uniformity at set point temperature, to ensure the accuracy of calibration result, in addition, modern temperature calibration furnace is often equipped with digital control interface and precision temperature control system, to facilitate user operation and realize more fine temperature regulation.

[0003] When using temperature calibration furnace to calibrate, the length of sensor insertion part cannot be controlled, and the change of sensor insertion depth can cause the measurement result to be affected by environmental temperature, furnace temperature gradient and sensor's own thermal response characteristics, thereby affecting measurement accuracy and consistency.

[0004] Therefore, aiming at the above-mentioned problem that when using temperature calibration furnace to calibrate, the length of sensor insertion part cannot be controlled, resulting in that the measurement result is affected by environmental temperature, furnace temperature gradient and sensor's own thermal response characteristics, thereby affecting measurement accuracy and consistency, a temperature calibration furnace convenient to clean can be designed, which is provided with a clamp and a scale convenient to use, to control the insertion depth. SUMMARY

[0005] In order to overcome the problem that when using temperature calibration furnace to calibrate, the length of sensor insertion part cannot be controlled, resulting in that the measurement result is affected by environmental temperature, furnace temperature gradient and sensor's own thermal response characteristics, thereby affecting measurement accuracy and consistency.

[0006] The utility model discloses a technical scheme for a temperature calibration furnace convenient to clean, comprising a calibration furnace body, a motor, a threaded rod and a moving block, two slide rails one are fixedly connected to the top rear position of the calibration furnace body, a moving plate one is fixedly connected to the top of the slide rail one, two slide rails two are fixedly connected to the top of the moving plate one, a moving plate two is fixedly connected to the top of the slide rail two, a motor is fixedly connected to the top right position of the moving plate two, a threaded rod is fixedly connected to the output end of the motor, a limiting rod is fixedly connected to the top left position of the moving plate two, a connecting plate is fixedly connected to the top of the limiting rod, the connecting plate is fixedly connected with the threaded rod, a moving block is threadedly connected to the outer surface of the threaded rod, the moving block is slidably connected with the limiting rod, a grab block one is fixedly connected to the front end of the moving block, a groove is formed in the front end of the moving block, a connecting rod is arranged in the groove, the connecting rod is fixedly connected with the moving block, a grab block two is slidably connected to the outer surface of the connecting rod, the grab block two is slidably connected with the moving block, a spring is fixedly connected to the left end of the grab block two, the spring is fixedly connected with the moving block, and a ruler is fixedly connected to the left end of the moving plate two.

[0007] Preferably, the temperature sensor is placed between the grab block one and the grab block two, the grab block two is driven by the spring to slide on the connecting rod to hold the temperature sensor, then the moving block is pushed to make the moving plate one slide forward and backward on the slide rail one, the moving plate two slides left and right on the slide rail two, the temperature sensor is aligned with the corresponding slot, then the motor drives the threaded rod to rotate to make the moving block drive the stable sensor to move downward, and the distance of movement can be observed and controlled through the ruler.

[0008] Preferably, the top of the grab block two is fixedly connected with a pulling block, and the top of the calibration furnace body is provided with a calibration groove.

[0009] Preferably, a uniform heating block is movably connected in the calibration groove, and a plurality of slots are formed in the top of the uniform heating block.

[0010] Preferably, a dustproof cover is movably connected to the top of the calibration furnace body, and a slide rod is fixedly connected to the top of the calibration furnace body.

[0011] Preferably, the dustproof cover is slidably connected with the slide rod, and a handle is fixedly connected to the top of the dustproof cover.

[0012] Preferably, a fixed block is fixedly connected to the right end of the calibration furnace body, and a cleaning soft brush is movably connected in the fixed block.

[0013] Preferably, four universal wheels are fixedly connected to the bottom of the calibration furnace body, and a control screen is fixedly connected to the front end of the calibration furnace body.

[0014] The utility model discloses the beneficial effect:

[0015] By placing the temperature sensor between the grab block one and the grab block two, the grab block two is driven by the spring to slide on the connecting rod to clamp the temperature sensor, then the moving block is pushed to make the moving plate one slide forward and backward on the slide rail one, the moving plate two slides left and right on the slide rail two, the temperature sensor is aligned with the corresponding slot, then the motor drives the threaded rod to rotate to make the moving block drive the stable sensor to move downward, the distance of movement can be observed and controlled through the scale, solve the problem that when using the temperature calibration furnace for calibration, the length of the sensor insertion part cannot be controlled, resulting in that the measurement result is affected by the environmental temperature, the temperature gradient in the furnace and the heat response characteristics of the sensor itself, thereby affecting the measurement precision and consistency. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A three-dimensional structure schematic diagram of the temperature calibration furnace convenient to clean is shown.

[0017] Figure 2 A three-dimensional side cross-section structure schematic diagram of the temperature calibration furnace convenient to clean is shown.

[0018] Figure 3 A three-dimensional lower cross-section back cross-section structure schematic diagram of the temperature calibration furnace convenient to clean is shown.

[0019] Figure 4 A three-dimensional structure schematic diagram of the temperature calibration furnace convenient to clean is shown.

[0020] The specific embodiments of the present application are described in detail below. DETAILED DESCRIPTION

[0021] The present application will be further described below in conjunction with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides a kind of embodiment: a kind of temperature calibration furnace convenient to clean comprising calibration furnace body 1, further comprising motor 7, threaded rod 8 and moving block 11, the top rear position of calibration furnace body 1 is fixedly connected with two slide rails one 2, the top of slide rail one 2 is fixedly connected with moving plate one 3, the top of moving plate one 3 is fixedly connected with two slide rails two 4, the top of slide rail two 4 is fixedly connected with moving plate two 5, the top right position of moving plate two 5 is fixedly connected with motor 7, the output of motor 7 is fixedly connected with threaded rod 8, the top left position of moving plate two 5 is fixedly connected with limit rod 9, the top of limit rod 9 is fixedly connected with connecting plate 10, connecting plate 10 is fixedly connected with threaded rod 8, the outer surface of threaded rod 8 is threadedly connected with moving block 11, moving block 11 is slidably connected with limit rod 9, the front end of moving block 11 is fixedly connected with grab block one 12, recess 13 is set in the front end of moving block 11, connecting rod 14 is arranged in recess 13, connecting rod 14 is fixedly connected with moving block 11, the outer surface of connecting rod 14 is slidably connected with grab block two 16, grab block two 16 is slidably connected with moving block 11, the left end of grab block two 16 is fixedly connected with spring 15, spring 15 is fixedly connected with moving block 11, the left end of moving plate two 5 is fixedly connected with scale 6, by placing temperature sensor between grab block one 12 and grab block two 16, grab block two 16 is driven on connecting rod 14 and slides to hold temperature sensor, then moving block 11 is pushed to make moving plate one 3 slide back and forth on slide rail one 2, moving plate two 5 is made to slide left and right on slide rail two 4, temperature sensor is aligned with corresponding slot 20, then motor 7 drives threaded rod 8 to rotate and make moving block 11 drive stable sensor to move downwards, the distance of movement can be observed and controlled by scale 6.

[0023] Please refer to Figures 2-4 In the embodiment, the top of grab block two 16 is fixedly connected with pull block 17, the top of calibration furnace body 1 is provided with calibration groove 18, uniform heat block 19 is movably connected in the inside of calibration groove 18, a plurality of slots 20 are formed in the top of uniform heat block 19, when calibrating, heat sensor is inserted into corresponding size slot 20, uniform heat block 19 can make heat evenly conduct in its inside, and different size slots 20 match different specifications sensors, dust cover 22 is movably connected on the top of calibration furnace body 1, slide rod 23 is fixedly connected on the top of calibration furnace body 1, dust cover 22 prevents external dust from falling into calibration groove 18 when not in use.

[0024] Please refer to Figures 1-4In this embodiment, the dust cover 22 is slidably connected to the slide rod 23, and a handle 24 is fixedly connected to the top of the dust cover 22. By pulling the dust cover 22 with the handle 24, the dust cover 22 slides and lifts on the slide rod 23 and then rotates and moves away. A fixing block 25 is fixedly connected to the right end of the calibration furnace body 1. A cleaning soft brush 26 is movably connected inside the fixing block 25. The cleaning soft brush 26 can help clean the calibration slot 18 and slot 20. When not in use, it is inserted into the fixing block 25 for placement. Four universal wheels 27 are fixedly connected to the bottom of the calibration furnace body 1. A control panel 28 is fixedly connected to the front end of the calibration furnace body 1. The operation of the calibration furnace body 1 is controlled by the universal wheels 27. The universal wheels 27 facilitate the movement of the calibration furnace body 1.

[0025] During operation, the temperature sensor is placed between gripper block 12 and gripper block 16. Gripper block 16, driven by spring 15, slides on connecting rod 14 to clamp the temperature sensor. Then, moving block 11 is pushed to make moving plate 3 slide back and forth on slide rail 2, and moving plate 5 slides left and right on slide rail 4, aligning the temperature sensor with the corresponding slot 20. Then, motor 7 drives threaded rod 8 to rotate, causing moving block 11 to move the stable sensor downward. The distance moved can be observed and controlled by measuring ruler 6. The heat equalization block 19 can... To ensure even heat conduction within the cavity, different sized slots 20 are matched with sensors of different specifications. Dust cover 22 prevents external dust from falling into the calibration slot 18 when not in use. By pulling the dust cover 22 with handle 24, the dust cover 22 slides up on the slide bar 23 and then rotates to move away. Cleaning soft brush 26 can help clean the calibration slot 18 and slot 20. When not in use, insert the fixing block 25 to place it. The operation of the calibration furnace body 1 is controlled by casters 27, which facilitate the movement of the calibration furnace body 1.

[0026] Through the above steps, the temperature sensor is placed between gripper block 12 and gripper block 16. Gripper block 16 is driven by spring 15 to slide on connecting rod 14 to clamp the temperature sensor. Then, the moving block 11 is pushed to make moving plate 3 slide back and forth on slide rail 2, and moving plate 25 slide left and right on slide rail 4, aligning the temperature sensor with the corresponding slot 20. Then, motor 7 drives threaded rod 8 to rotate, causing moving block 11 to move the stable sensor downward. The distance of movement can be observed and controlled by measuring scale 6 to solve the problem that the length of the sensor insertion part cannot be controlled when using a temperature calibration furnace for calibration, which causes the measurement results to be affected by ambient temperature, furnace temperature gradient and the sensor's own thermal response characteristics, thus affecting the measurement accuracy and consistency.

Claims

1. A temperature calibration furnace that is easy to clean, comprising a calibration furnace body (1); characterized in that: It also includes a motor (7), a threaded rod (8), and a moving block (11). Two slide rails (2) are fixedly connected to the rear top of the calibration furnace body (1). A moving plate (3) is fixedly connected to the top of slide rails (2). Two slide rails (4) are fixedly connected to the top of the moving plate (3). A moving plate (5) is fixedly connected to the top of the moving plate (5). A motor (7) is fixedly connected to the right side of the top of the moving plate (5). A threaded rod (8) is fixedly connected to the output end of the motor (7). A limit rod (9) is fixedly connected to the left side of the top of the moving plate (5). A connecting plate (10) is fixedly connected to the top of the limit rod (9). The connecting plate (10) is fixedly connected to the threaded rod (8). Next, a movable block (11) is threadedly connected to the outer surface of the threaded rod (8). The movable block (11) is slidably connected to the limiting rod (9). A gripper block (12) is fixedly connected to the front end of the movable block (11). A groove (13) is opened at the front end of the movable block (11). A connecting rod (14) is provided inside the groove (13). The connecting rod (14) is fixedly connected to the movable block (11). A gripper block (16) is slidably connected to the outer surface of the connecting rod (14). The gripper block (16) is slidably connected to the movable block (11). A spring (15) is fixedly connected to the left end of the gripper block (16). The spring (15) is fixedly connected to the movable block (11). A measuring ruler (6) is fixedly connected to the left end of the movable plate (5).

2. The temperature calibration furnace for easy cleaning according to claim 1, characterized in that: A pull block (17) is fixedly connected to the top of the grab block 2 (16), and a calibration groove (18) is opened on the top of the calibration furnace body (1).

3. The temperature calibration furnace for easy cleaning according to claim 2, characterized in that: The calibration tank (18) is internally connected to a heat equalization block (19), and the top of the heat equalization block (19) has multiple slots (20).

4. The temperature calibration furnace for easy cleaning according to claim 1, characterized in that: A dust cover (22) is movably connected to the top of the calibration furnace body (1), and a slide rod (23) is fixedly connected to the top of the calibration furnace body (1).

5. The temperature calibration furnace for easy cleaning according to claim 4, characterized in that: The dust cover (22) is slidably connected to the slide bar (23), and a handle (24) is fixedly connected to the top of the dust cover (22).

6. The temperature calibration furnace for easy cleaning according to claim 1, characterized in that: A fixing block (25) is fixedly connected to the right end of the calibration furnace body (1), and a cleaning soft brush (26) is movably connected inside the fixing block (25).

7. The temperature calibration furnace for easy cleaning according to claim 1, characterized in that: The bottom of the calibration furnace body (1) is fixedly connected with four casters (27), and the front end of the calibration furnace body (1) is fixedly connected with a control panel (28).