Sensitivity detection device for temperature sensor

Abstract

The utility model discloses a sensitivity detection device for a temperature sensor, which comprises a bottom plate, a sliding plate is arranged at the upper end of the bottom plate in a sliding manner, a clamping mechanism is arranged at the upper end of the sliding plate, the clamping mechanism comprises a fixed plate and a movable frame, and the fixed plate and the movable frame are connected in a sliding manner; a plurality of fixing blocks are evenly arranged at the upper end of the fixing plate, a plurality of clamping blocks are evenly arranged at the upper end of the movable frame, and the clamping blocks and the fixing blocks are distributed in a staggered mode. A constant-temperature rod is arranged on the right side of the upper end of the bottom According to the utility model, temperature sensors can be fixed through the clamping mechanism, a plurality of temperature sensors are respectively placed between the fixed block and the clamping block, and the plurality of clamping blocks at the upper end of the movable frame can be close to the fixed block at the same time and clamp the temperature sensors by rotating the knob; the reciprocating screw rod is driven by the motor, and data changes of the temperature sensor are observed in the reciprocating movement process of the temperature sensor, so that data detected by the temperature sensor are more accurate.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature sensors, in particular to a sensitivity detection device for temperature sensors. Background Art

[0002] Temperature sensors are mostly thermal resistors and thermocouple elements for digital detection. By identifying different electrical signals at different temperatures, fast and accurate temperature detection can be performed. The overall digital circuit detection sensor is small in size and easy and flexible to use.

[0003] A sensitivity detection device for temperature sensor production is disclosed in the Chinese utility model patent with the announcement number CN 216925855 U. In view of the problem that the current detectors usually directly hold the temperature sensor close to the constant temperature heat source to observe the temperature change and make a rough sensitivity observation, and the detection effect is not good, the following scheme is proposed, which includes a base, a slide groove is opened on the top side of the base, a threaded shaft is rotatably arranged in the slide groove, a slide seat is arranged on the outer thread sleeve of the threaded shaft, a placement seat is fixedly installed on the top side of the slide seat, and a fixed seat is fixedly installed on the top side of the base. The utility model has a reasonable structure design, can conveniently realize the installation, fixing and replacement of the temperature sensor, is easy to operate and use, and can conveniently control the distance between the temperature sensor and the constant temperature heat source. By observing the temperature change of the temperature sensor at different distances, the sensitivity of the temperature sensor can be conveniently and intuitively detected. In view of the above-mentioned related technologies, the inventor believes that there are the following defects: by manually adjusting the distance between the temperature sensor and the constant temperature heat source, the speed of the temperature sensor moving is not uniform enough, thus affecting the accuracy of the detection. In addition, the device can only detect one at a time, and the detection efficiency is low. Utility Model Content

[0004] The purpose of the utility model is to provide a sensitivity detection device for a temperature sensor to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: a sensitivity detection device for a temperature sensor, comprising a base plate, four sets of foot pads are provided at the bottom of the base plate, a slide plate is slidably provided at the upper end of the base plate, a clamping mechanism is provided at the upper end of the slide plate, the clamping mechanism comprises a fixed plate and a movable frame, and the fixed plate and the movable frame are slidably connected;

[0006] A plurality of fixed blocks are evenly arranged on the upper end of the fixed plate, and a plurality of clamping blocks are evenly arranged on the upper end of the movable frame, and the clamping blocks and the fixed blocks are staggered and distributed;

[0007] A nut is fixedly provided on the outer side of the fixing block on one side of the fixing plate, and a through hole coaxial with the nut is provided on the end surface of the fixing block, the nut is connected to a threaded rod through a thread, one end of the threaded rod is movably connected to the clamping block, and the other end of the threaded rod is provided with a knob;

[0008] A constant temperature rod is arranged on the right side of the upper end of the bottom plate, and the constant temperature rod has the same height as the clamping mechanism.

[0009] Preferably, a stand is provided on the right side of the upper end of the base plate, a protective cover is provided on the upper end of the stand, the constant temperature rod is located inside the protective cover, and an opening is provided on the side of the protective cover close to the temperature sensor.

[0010] Preferably, four guide pillars are provided on both sides of the movable frame, guide holes matching the guide pillars are provided on both sides of the fixed plate, and the guide pillars are slidably connected to the guide holes.

[0011] Preferably, a reciprocating screw is rotatably installed in the middle of the base plate, the reciprocating screw is driven by a motor, the reciprocating screw is threadedly connected to a nut block, and the nut block is fixedly connected to the bottom of the skateboard.

[0012] Preferably, linear guide rails are provided on both sides of the upper end of the bottom plate, and sliders matching the linear guide rails are provided at the bottom of the slide plate, and the sliders are slidably connected to the linear guide rails.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] The utility model can fix the temperature sensor through the clamping mechanism, and multiple temperature sensors are respectively placed between the fixed block and the clamping block, and the knob is rotated so that the multiple clamping blocks at the upper end of the movable frame can simultaneously approach the fixed block and clamp the temperature sensors;

[0015] The motor drives the reciprocating screw to rotate, so that the slide plate moves back and forth on the reciprocating screw. During the reciprocating movement of the temperature sensor, the change of the temperature sensor data is observed, so that the data detected by the temperature sensor is more accurate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is an exploded view of some structural parts of the utility model;

[0018] Figure 3 It is a top view of the utility model;

[0019] Figure 4 It is a side view of the utility model.

[0020] In the figure: 1. Base plate; 2. Foot pad; 3. Slide plate; 4. Fixed plate; 5. Fixed block; 6. Moving frame; 7. Clamping block; 8. Guide column; 9. Nut; 10. Threaded rod; 11. Knob; 12. Constant temperature rod; 13. Stand; 14. Protective cover; 15. Reciprocating screw; 16. Motor; 17. Nut block; 18. Linear guide; 19. Slider. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a sensitivity detection device for a temperature sensor, comprising a bottom plate 1, four sets of foot pads 2 are arranged at the bottom of the bottom plate 1, a slide plate 3 is slidably arranged at the upper end of the bottom plate 1, a clamping mechanism is arranged at the upper end of the slide plate 3, the clamping mechanism comprises a fixed plate 4 and a movable frame 6, and the fixed plate 4 and the movable frame 6 are slidably connected;

[0023] A plurality of fixed blocks 5 are evenly arranged on the upper end of the fixed plate 4, and a plurality of clamping blocks 7 are evenly arranged on the upper end of the movable frame 6, and the clamping blocks 7 and the fixed blocks 5 are staggered with each other;

[0024] A nut 9 is fixedly arranged on the outer side of the fixing block 5 on one side of the fixing plate 4, and a through hole coaxial with the nut 9 is arranged on the end surface of the fixing block 5, the nut 9 is connected to a threaded rod 10 through a thread, one end of the threaded rod 10 is movably connected to the clamping block 7, and a knob 11 is arranged on the other end of the threaded rod 10;

[0025] Four guide posts 8 are arranged on both sides of the moving frame 6, and guide holes matching the guide posts 8 are arranged on both sides of the fixing plate 4, and the guide posts 8 are slidably connected with the guide holes.

[0026] Among them, the clamping mechanism is used to fix the temperature sensor. Multiple temperature sensors are placed between the fixed block 5 and the clamping block 7 respectively. The knob 11 is rotated to make the threaded rod 10 rotate in the nut 9. Because one end of the threaded rod 10 is movably connected to the clamping block 7, the threaded rod 10 pushes the mobile frame 6 to move, so that the four guide columns 8 on both sides of the mobile frame 6 slide in the guide holes on both sides of the fixed plate 4, so that the mobile frame 6 slides on the fixed plate 4, so that the multiple clamping blocks 7 at the upper end of the mobile frame 6 can approach the fixed block 5 at the same time and clamp the temperature sensor.

[0027] A constant temperature rod 12 is provided on the right side of the upper end of the bottom plate 1, and the constant temperature rod 12 has the same height as the clamping mechanism.

[0028] A stand 13 is provided on the right side of the upper end of the bottom plate 1, a protective cover 14 is provided on the upper end of the stand 13, the thermostatic rod 12 is located inside the protective cover 14, and an opening is provided on one side of the protective cover 14 close to the temperature sensor.

[0029] The constant temperature rod 12 can keep the temperature basically unchanged, which can increase the accuracy of detection, and the protective cover 14 can reduce heat loss and prevent safety hazards.

[0030] A reciprocating screw rod 15 is rotatably installed in the middle of the bottom plate 1 . The reciprocating screw rod 15 is driven by a motor 16 . The reciprocating screw rod 15 is connected to a nut block 17 through a thread. The nut block 17 is fixedly connected to the bottom of the slide plate 3 .

[0031] Linear guide rails 18 are provided on both sides of the upper end of the base plate 1 , and a slider 19 matching the linear guide rails 18 is provided at the bottom of the slide plate 3 , and the slider 19 is slidably connected to the linear guide rails 18 .

[0032] Start the motor 16, which drives the reciprocating screw 15 to rotate, and the nut block 17 is fixedly connected to the bottom of the slide plate 3, so that the slide plate 3 moves back and forth on the reciprocating screw 15, so that the temperature sensor gradually approaches the constant temperature rod 12 from a distance, and then gradually moves away from the constant temperature rod 12. During the reciprocating movement of the temperature sensor, the changes in the temperature sensor data are observed to simultaneously detect the sensitivity of multiple temperature sensors.

[0033] The working principle and use process of this utility model:

[0034] Put multiple temperature sensors between the fixed block 5 and the clamping block 7 respectively, rotate the knob 11 to make the threaded rod 10 rotate in the nut 9, because one end of the threaded rod 10 is movably connected to the clamping block 7, so the threaded rod 10 pushes the movable frame 6 to move, so that the four guide pillars 8 on both sides of the movable frame 6 slide in the guide holes on both sides of the fixed plate 4, so that the movable frame 6 slides on the fixed plate 4, so that the multiple clamping blocks 7 on the upper end of the movable frame 6 can simultaneously approach the fixed block 5 and clamp the temperature sensor; start the motor 16, the motor 16 drives the reciprocating screw rod 15 to rotate, and the nut block 17 is fixedly connected to the bottom of the slide plate 3, so that the slide plate 3 reciprocates on the reciprocating screw rod 15, so that the temperature sensor gradually approaches the constant temperature rod 12 from a distance, and then gradually moves away from the constant temperature rod 12, and observes the changes in temperature sensor data during a reciprocating movement of the temperature sensor to simultaneously detect the sensitivity of multiple temperature sensors.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sensitivity detection device for a temperature sensor, comprising a base plate (1), wherein four groups of foot pads (2) are provided at the bottom of the base plate (1), characterized in that: A slide plate (3) is slidably provided on the upper end of the base plate (1), a clamping mechanism is provided on the upper end of the slide plate (3), the clamping mechanism comprises a fixed plate (4) and a movable frame (6), and the fixed plate (4) and the movable frame (6) are slidably connected; A plurality of fixed blocks (5) are evenly arranged on the upper end of the fixed plate (4), and a plurality of clamping blocks (7) are evenly arranged on the upper end of the movable frame (6), wherein the clamping blocks (7) and the fixed blocks (5) are staggered in distribution; A nut (9) is fixedly provided on the outer side of a fixing block (5) on one side of the fixing plate (4), and a through hole coaxial with the nut (9) is provided on the end surface of the fixing block (5); the nut (9) is connected to a threaded rod (10) via a thread, one end of the threaded rod (10) is movably connected to the clamping block (7), and the other end of the threaded rod (10) is provided with a knob (11); A constant temperature rod (12) is provided on the right side of the upper end of the bottom plate (1), and the constant temperature rod (12) is at the same height as the clamping mechanism.

2. A sensitivity detection device for a temperature sensor according to claim 1, characterized in that: A stand (13) is provided on the right side of the upper end of the bottom plate (1), a protective cover (14) is provided on the upper end of the stand (13), the constant temperature rod (12) is located inside the protective cover (14), and an opening is provided on a side of the protective cover (14) close to the temperature sensor.

3. A sensitivity detection device for a temperature sensor according to claim 1, characterized in that: A total of four guide columns (8) are provided on both sides of the movable frame (6), and guide holes matching the guide columns (8) are provided on both sides of the fixed plate (4), and the guide columns (8) are slidably connected to the guide holes.

4. A sensitivity detection device for a temperature sensor according to claim 1, characterized in that: A reciprocating screw (15) is rotatably mounted in the middle of the base plate (1), the reciprocating screw (15) is driven by a motor (16), the reciprocating screw (15) is threadably connected to a nut block (17), and the nut block (17) is fixedly connected to the bottom of the slide plate (3).

5. A sensitivity detection device for a temperature sensor according to claim 1, characterized in that: Linear guide rails (18) are provided on both sides of the upper end of the base plate (1), and a sliding block (19) matching the linear guide rails (18) is provided at the bottom of the slide plate (3), and the sliding block (19) is slidably connected to the linear guide rails (18).

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