Temperature sensor detection device

Abstract

The invention relates to the field of temperature sensor detection devices, in particular to a temperature sensor detection device which comprises a machine box, a wiring assembly, a clamping moving mechanism and a heating device. The wiring assembly is connected with a first wiring end of the temperature detection device through a plurality of wiring clamps, and the clamping moving mechanism comprises a sliding rail, a sliding block and an elastic clamping assembly, and can stably clamp a metal tube of a temperature sensor to be detected and achieve accurate displacement. The heating device is composed of an annular heating piece or a laser heater and is provided with a cooling fan and an outer cover, and the safety protection function is achieved while even heating is guaranteed. In addition, the additionally arranged pressure sensing and position measuring assembly further improves the detection precision and the automation level. According to the invention, the detection range of the temperature sensor can be effectively and accurately detected.

Description

Technical Field

[0001] This application relates to the field of temperature sensor detection devices, and particularly to a temperature sensor detection device. Background Art

[0002] At present, temperature sensors, as an important part of modern industrial production, play an irreplaceable role in many fields such as boilers and chemical industries. By accurately monitoring the operating status of equipment, it not only improves production efficiency but also ensures operational safety. Among them, temperature sensors composed of a thermistor embedded in a metal tube protective shell are favored due to their strong structure and durability. This design can not only effectively prevent the thermistor from being damaged mechanically and chemically by the outside world but also ensure good thermal contact with the measured medium, thus achieving a sensitive response to temperature changes.

[0003] In practical applications, in order to ensure the normal function of temperature sensors, various detection methods have been developed in the industry. For example, the thermistor is manually placed into the metal tube, and its performance is preliminarily tested with the help of an external heating device; or in a constant temperature environment, the response characteristics of the sensor are evaluated by comparing the resistance value changes. In addition, some technicians also use the method of evenly applying thermal paste on the surface of the metal tube and placing it in a specific temperature field to observe the reaction situation. There are also some methods involving using precision measuring tools to check the physical size consistency after assembly and using a microscope to assist in confirming the positional relationship of internal components, etc. Although these measures have different focuses, they have been widely adopted in practice.

[0004] However, the above traditional methods still face many challenges. Especially for the application scenario of long metal tubes, the existing detection methods often have difficulty in accurately determining the exact position of the thermistor probe inside it, which directly affects the actual effective use range of the temperature sensor. Summary of the Invention

[0005] In order to accurately judge the effective use range of a temperature sensor, this application provides a temperature sensor detection device.

[0006] The temperature sensor detection device provided by this application adopts the following technical solutions: A temperature sensor detection device includes a machine box, a wiring component, a clamping and moving mechanism, a heating device, and a directional heat dissipation component. A temperature detection device is provided inside the machine box; The wiring component includes a plurality of wiring clips respectively connected to a plurality of first wiring terminals of the temperature detection device in one-to-one correspondence; The clamping and moving mechanism and the heating device are installed on the machine box at intervals; The temperature sensor to be measured has a metal tube, a thermal sensitive resistor located inside the metal tube, and a plurality of the second connection terminals corresponding to a plurality of the connection clips; the clamping and moving mechanism is used to clamp the metal tube and move the metal tube towards the heating device. The directional heat dissipation component includes an outer cover and a heat dissipation fan. The outer cover and the heat dissipation fan are installed on the machine box at intervals. The outer cover is provided with a detection through hole for accommodating the metal tube, and the heating device is installed inside the outer cover.

[0007] By adopting the above technical solution, the wiring component is connected to the second connection terminal of the temperature sensor to be measured through a plurality of connection clips, so that the temperature detection device can stably obtain the change of the electrical signal of the thermal sensitive resistor, and then the temperature detection device generates a corresponding temperature detection value. The clamping and moving mechanism is used to clamp and move the metal tube, so that the metal tube enters the outer cover through the detection through hole, and the heating device heats the metal tube inside the outer cover. During the process of the metal tube moving closer to the heating device, when the thermal sensitive resistor probe of the temperature sensor to be measured does not directly reach the heating device, as the temperature detection device approaches the heating device, the temperature detection value generated by the temperature detection device will gradually increase, but at this time, the increase of the temperature detection value is still in a relatively gentle state. When the thermal sensitive resistor probe of the temperature sensor to be measured reaches the heating device, the temperature detection value at this time will show a sudden change, that is, the temperature detection value will increase significantly. When the increase amplitude of the temperature detection value reaches the maximum heating amplitude value, it means that the position where the thermal sensitive resistor probe is located has been confirmed, and the detection is completed. The clamping and moving mechanism clamps the temperature sensor that has been measured and retracts. During the detection process, when the heating device heats the metal tube inside the outer cover, it is necessary for the heat dissipation fan to cool the metal tube outside the outer cover to ensure that the heating device only accurately heats the metal tube inside the outer cover. And the outer cover can effectively isolate the influence of the external environment on the heating device, improve the concentration and stability of the heat source, prevent the heating temperature of the heating device from decreasing, and thus improve the detection accuracy. In summary, this solution solves the problem that the traditional method cannot accurately judge whether the thermal sensitive resistor probe reaches the bottom of the metal tube, and significantly improves the accuracy and reliability of the determination of the actual effective use range of the temperature sensor.

[0008] Preferably, in the radial direction of the detection through hole, the heat dissipation fan and the outer cover are arranged at intervals.

[0009] By adopting the above technical solution, it is avoided that the heat dissipation fan blows cold air into the outer cover through the detection through hole, and the heating temperature of the heating device is prevented from decreasing.

[0010] Preferably, the heating device includes an annular heating element installed inside the outer cover.

[0011] By adopting the above technical solution, the annular heating element can uniformly heat the metal tube and the thermistor, ensuring that the heat is concentrated in a specific area and avoiding the interference of heat in non-target areas on the detection results. This method improves the detection accuracy, enabling a more accurate judgment of whether the thermistor probe reaches the heating area, thereby determining the effective use range of the temperature sensor.

[0012] Preferably, the heating device includes a laser heater installed in the outer cover.

[0013] By adopting the above technical solution, using the laser heater as a heat source to heat the metal tube and the thermistor of the temperature sensor to be measured can achieve a more concentrated heat source distribution, thereby improving the detection accuracy. Compared with the traditional electric heating method, the laser heater can provide heat with a high energy density in a small range, reducing unnecessary heat dissipation and further enhancing the accuracy of judging the position of the thermistor probe during the detection process.

[0014] Preferably, the clamping and moving mechanism includes a slide rail and a first slider slidably connected to the slide rail, and a positioning hole is provided on the first slider; A positioning screw is further provided on the first slider along the radial direction of the positioning hole, and the positioning screw is screwed to the first slider.

[0015] By adopting the above technical solution, the precise fixation and stable movement of the temperature sensor to be measured are realized. The specific effects are as follows: The design of the positioning hole enables the metal tube to be accurately aligned and inserted, ensuring the precise docking of the thermistor probe with the heating device during subsequent detection. The positioning screw is arranged along the radial direction of the positioning hole and fixed by screwing, which can firmly clamp the metal tube, improving the operation convenience and reliability of the device.

[0016] Preferably, the clamping and moving mechanism includes a slide rail, a first slider and an elastic clamping assembly. The first slider is slidably connected to the slide rail, and the elastic clamping assembly is installed on the first slider for elastically clamping the metal tube.

[0017] By adopting the above technical solution, after elastically clamping the metal tube with the elastic clamping assembly, it can avoid damaging the metal tube while clamping it, and then move the metal tube through the coordinated cooperation of the slide rail and the first slider to realize the clamping and moving of the metal tube.

[0018] Preferably, the elastic clamping assembly includes a support ring, a plurality of first V-shaped plates and a plurality of second V-shaped plates, and the side wall of the support ring is connected to the first slider; In the axial direction of the support ring, the first V-shaped plate is located on one side of the support ring, the second V-shaped plate is located on the side of the first V-shaped plate away from the support ring, and a plurality of the first V-shaped plates and a plurality of the second V-shaped plates are all distributed at intervals along the circumferential direction of the support ring; The first V-shaped plate and the support ring are connected with a first swing arm, the first swing arm is fixedly connected to the first V-shaped plate and is rotatably connected to the support ring; The second V-shaped plate and the support ring are connected with a second swing arm, the second swing arm is fixedly connected to the second V-shaped plate and is rotatably connected to the support ring.

[0019] By adopting the above technical solution, while realizing stable clamping of the metal tube of the temperature sensor to be measured, it can flexibly adapt to metal tubes of different diameters. The specific effects are as follows: The design of the support ring, the first V-shaped plate and the second V-shaped plate in the elastic clamping assembly enables the clamping structure to evenly distribute force in the circumferential direction, ensuring the stability of the metal tube during the detection process and avoiding the decline of detection accuracy caused by shaking. The first V-shaped plate and the second V-shaped plate are respectively connected to the support ring through the first swing arm and the second swing arm, forming an adjustable clamping angle, so as to adapt to metal tubes of various sizes, enhancing the versatility and application range of the equipment.

[0020] Preferably, the first swing arm and the support ring are connected with a first torsion spring; the second swing arm and the support ring are connected with a second torsion spring.

[0021] By adopting the above technical solution, the first torsion spring between the first swing arm and the support ring can provide a pre-tightening force, enabling the first V-shaped plate to maintain a stable initial position when not affected by external forces, thereby enhancing the clamping stability of the metal tube. At the same time, the distance between multiple first V-shaped plates can be adaptively adjusted according to the size of the metal tube to realize clamping of metal tubes of different diameters. The second torsion spring between the second swing arm and the support ring also provides a pre-tightening force, enabling the second V-shaped plate to better adapt to metal tubes of different diameters within the elastic range, improving the clamping adaptability and reliability. At the same time, the distance between multiple second V-shaped plates can be adaptively adjusted according to the size of the metal tube to realize clamping of metal tubes of different diameters. The combined action of these two designs ensures that the metal tube will not shift or become loose during the movement process, improving the detection accuracy and operation safety. At the same time, the distance between multiple first V-shaped plates and multiple second V-shaped plates can be adaptively adjusted according to the size of the metal tube to realize clamping of metal tubes of different diameters.

[0022] Preferably, a second slider slidably connected to the slide rail is provided between the elastic clamping assembly and the heating device; The clamping and moving mechanism further includes a position measuring component, which includes a position measuring bracket, a stationary sprocket and a movable sprocket. The position measuring bracket is installed on the second slider; the stationary sprocket and the movable sprocket are arranged oppositely; One end of the stationary sprocket away from the movable sprocket is connected to the position measuring bracket by a telescopic member, and the telescopic member is connected to the position measuring bracket by a pressure sensor; One end of the movable sprocket away from the stationary sprocket is connected to the position measuring bracket by a spring rod, and the spring rod is connected to the position measuring bracket by a pressure switch; the pressure switch is used to control the opening and closing of the heating device.

[0023] By adopting the above technical solutions, the precise cooperation between the clamping and moving mechanism and the heating device in the temperature sensor detection device is realized. Specifically, the added second slider enables the elastic clamping component to move stably relative to the heating device, thereby ensuring the positioning accuracy of the temperature sensor to be measured during the detection process. The stationary sprocket and the movable sprocket in the position measuring component cooperate with each other to monitor the position change of the metal tube in real time during its movement. The pressure sensor accurately feedbacks the movement state of the metal tube by perceiving the force condition of the telescopic member, thereby improving the detection accuracy. In addition, with the help of the spring rod, the pressure switch triggers the opening or closing of the heating device in time when the metal tube reaches the specified position, effectively avoiding energy waste and improving the detection efficiency. Finally, this design significantly enhances the overall performance of the device and ensures the reliability and stability of the detection results within the effective use range of the temperature sensor.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. During the detection process of the present application, when the heating device heats the metal tube inside the outer cover, the metal tube outside the outer cover is cooled by the heat dissipation fan, ensuring that the heating device only accurately heats the metal tube inside the inner side of the outer cover, and the outer cover can effectively isolate the influence of the external environment on the heating device, improving the concentration and stability of the heat source, preventing the heating temperature of the heating device from being reduced, and thus improving the detection accuracy; 2. The present application drives the temperature sensor to move along the heating device through the clamping and moving mechanism, and can accurately detect the actual position of the thermistor probe inside the metal tube, thereby determining the actual effective use range of the temperature sensor; 3. The first torsion spring and the second torsion spring of the present application enable the distance between the multiple first V-shaped plates and the multiple second V-shaped plates to be adaptively adjusted according to the size of the metal tube, realizing the clamping of metal tubes with different diameters. At the same time, the multiple first V-shaped plates and the multiple second V-shaped plates can elastically clamp the metal tube, and can avoid damaging the metal tube while clamping it tightly. Description of the Drawings

[0025] To more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on these drawings.

[0026] Figure 1 is the overall structural schematic diagram of the first embodiment of the present application; Figure 2 is the structural schematic diagram of the second embodiment of the clamping and moving mechanism.

[0027] Reference numerals: 1, machine box; 2, temperature sensor; 21, temperature detection device; 22, temperature sensor to be measured; 3, wiring assembly; 31, wiring clip; 4, clamping and moving mechanism; 41, slide rail; 42, first slider; 4201, positioning hole; 421, positioning screw; 43, elastic clamping assembly; 430, support ring; 431, first V-shaped plate; 432, first swing arm; 433, first torsion spring; 4310, second V-shaped plate; 4320, second swing arm; 4330, second torsion spring; 44, second slider; 45, position measuring assembly; 450, position measuring bracket; 451, stationary sheave; 4511, telescopic member; 4512, pressure sensor; 452, movable sheave; 4521, spring rod; 4522, pressure switch; 5, heating device; 51, annular heating element; 52, laser heater; 6, directional heat dissipation assembly; 61, outer cover; 6101, detection through hole; 62, heat dissipation fan. Specific embodiments

[0028] The following will Figure 1-2 further describe the present application in detail.

[0029] The embodiments of the present application disclose a temperature sensor detection device.

[0030] Embodiment 1 Referring to Figure 1 and Figure 2, a temperature sensor 2 detection device, comprising a machine box 1, a wiring assembly 3, a clamping and moving mechanism 4, a heating device 5 and a directional heat dissipation assembly 6. A temperature detection device 21 is provided inside the machine box 1. The wiring assembly 3 includes a plurality of wiring clips 31 respectively and correspondingly connected to a plurality of first wiring terminals of the temperature detection device 21. The clamping and moving mechanism 4 and the heating device 5 are installed on the machine box 1 at intervals. The temperature sensor 22 to be measured has a metal tube, a thermal sensitive resistor located inside the metal tube, and a plurality of second wiring terminals corresponding to the plurality of wiring clips 31; the clamping and moving mechanism 4 is used for clamping the metal tube and moving the metal tube towards the heating device 5. The directional heat dissipation assembly 6 includes an outer cover 61 and a heat dissipation fan 62. The outer cover 61 and the heat dissipation fan 62 are installed on the machine box 1 at intervals. A detection through hole 6101 for accommodating the metal tube is provided on the outer cover 61, and the heating device 5 is installed inside the outer cover 61. Herein, the temperature sensor 2 is a prior art, and the temperature detection device 21 and the temperature sensor 22 to be measured can be connected to form a complete temperature sensor 2. The outer cover 61 is made of a heat insulating material.

[0031] Refer to Figure 1 and Figure 2, in the embodiment of the present application, the wiring assembly 3 is connected to the second wiring terminal of the temperature sensor 22 to be measured through a plurality of wiring clips 31, so that the temperature detection device 21 can stably obtain the change of the electrical signal of the thermistor, and then the temperature detection device 21 generates a corresponding temperature detection value. The clamping and moving mechanism 4 is used to clamp and move the metal tube, so that the metal tube enters the outer cover 61 through the detection through hole 6101, and the heating device 5 heats the metal tube in the outer cover 61. During the process of the metal tube moving closer to the heating device 5, when the thermosensitive resistance probe of the temperature sensor 22 to be measured does not directly reach the heating device 5, as the temperature detection device 21 and the heating device 5 get closer, the temperature detection value generated by the temperature detection device 21 will gradually increase, but at this time, the increase of the temperature detection value is still in a relatively gentle state. When the thermosensitive resistance probe of the temperature sensor 22 to be measured reaches the heating device 5, the temperature detection value at this time will show a sudden change, that is, the temperature detection value at this time will increase significantly. When the increase amplitude of the temperature detection value reaches the maximum heating amplitude value, it means that the position where the thermosensitive resistance probe is located has been confirmed, and the detection is over. The clamping and moving mechanism 4 clamps the measured temperature sensor 2 and retracts. During the detection process, when the heating device 5 heats the metal tube in the outer cover 61, the cooling fan 62 is required to cool the metal tube outside the outer cover 61 to ensure that the heating device 5 only accurately heats the metal tube inside the outer cover 61. And the outer cover 61 can effectively isolate the influence of the external environment on the heating device 5, improve the concentration and stability of the heat source, prevent the heating temperature of the heating device 5 from decreasing, and thus improve the detection accuracy. In summary, this solution solves the problem in the traditional method that it is impossible to accurately judge whether the thermosensitive resistance probe reaches the bottom of the metal tube, and significantly improves the accuracy and reliability of measuring the actual effective use range of the temperature sensor 2.

[0032] Refer to Figure 1 and Figure 2 , in the radial direction of the detection through hole 6101, the cooling fan 62 and the outer cover 61 are arranged at intervals. In the embodiment of the present application, it is avoided that the cooling fan 62 blows cold air into the outer cover 61 through the detection through hole 6101, preventing the heating temperature of the heating device 5 from decreasing.

[0033] Refer to Figure 1 and Figure 2, the heating device 5 includes an annular heating element 51 installed inside the outer casing 61. In the embodiment of the present application, the annular heating element 51 can uniformly heat the metal tube and the thermistor, ensuring that the heat is concentrated in a specific area and avoiding the heat in the non-target area from interfering with the detection result. This method improves the detection accuracy, enabling a more accurate determination of whether the thermistor probe reaches the heating area, thereby determining the effective use range of the temperature sensor 2. During the detection process, when the annular heating element 51 heats the metal tube inside the outer casing 61, a cooling fan 62 is required to cool the metal tube outside the outer casing 61 to ensure that the annular heating element 51 only precisely heats the metal tube inside the outer casing 61. Moreover, the outer casing 61 can effectively isolate the influence of the external environment on the annular heating element 51, improve the concentration and stability of the heat source, prevent the heating temperature of the annular heating element 51 from decreasing, and thus enhance the detection accuracy.

[0034] Referring to Figure 1 and Figure 2 , the heating device 5 includes a laser heater 52 installed inside the outer casing 61. In the embodiment of the present application, using the laser heater 52 as a heat source to heat the metal tube and the thermistor of the temperature sensor 22 to be measured can achieve a more concentrated heat source distribution, thereby improving the detection accuracy. Compared with the traditional electric heating method, the laser heater 52 can provide heat with a high energy density in a small range, reducing unnecessary heat dissipation, and further enhancing the accuracy of judging the position of the thermistor probe during the detection process. During the detection process, when the laser heater 52 heats the metal tube inside the outer casing 61, a cooling fan 62 is required to cool the metal tube outside the outer casing 61 to ensure that the laser heater 52 only precisely heats the metal tube inside the outer casing 61. Moreover, the outer casing 61 can effectively isolate the influence of the external environment on the laser heater 52, improve the concentration and stability of the heat source, prevent the heating temperature of the laser heater 52 from decreasing, and thus enhance the detection accuracy. At the same time, it can also prevent the laser radiation of the laser heater 52 from spreading outside the outer casing 61, avoiding radiation damage to the human body.

[0035] Referring to Figure 1 and Figure 2, the clamping and moving mechanism 4 includes a slide rail 41 and a first slider 42 slidably connected to the slide rail 41. A positioning hole 4201 is provided on the first slider 42. A positioning screw 421 is also provided on the first slider 42 along the radial direction of the positioning hole 4201, and the positioning screw 421 is screwed to the first slider 42. In the embodiment of the present application, the precise fixation and stable movement of the temperature sensor 22 to be measured are realized. The specific effects are as follows: The design of the positioning hole 4201 enables the metal tube to be accurately aligned and inserted, ensuring the precise docking of the thermistor probe with the heating device 5 during the subsequent detection process. The positioning screw 421 is arranged along the radial direction of the positioning hole 4201 and is fixed by screwing, which can firmly clamp the metal tube, improving the operation convenience and reliability of the device.

[0036] The implementation principle of this embodiment is as follows: When the clamping and moving mechanism 4 operates, the metal tube is placed in the positioning hole 4201, and the positioning screw 421 presses against the metal tube to clamp the metal tube. The slide rail 41 and the first slider 42 cooperate to move the metal tube, so that the metal tube enters the outer cover 61 through the detection through hole 6101, and the heating device 5 heats the metal tube in the outer cover 61. During the process of the metal tube moving closer to the heating device 5, when the thermistor probe of the temperature sensor 22 to be measured does not directly reach the heating device 5, as the temperature detection device 21 approaches the heating device 5, the temperature detection value generated by the temperature detection device 21 will gradually increase, but at this time, the increase in the temperature detection value is still in a relatively gentle state. When the thermistor probe of the temperature sensor 22 to be measured reaches the heating device 5, the temperature detection value at this time will show a sudden change, that is, the temperature detection value will increase significantly. When the increase amplitude of the temperature detection value reaches the maximum heating amplitude value, it means that the position of the thermistor probe has been confirmed and the detection is completed. The clamping and moving mechanism 4 clamps the temperature sensor that has been measured and retracts. During the detection process, when the heating device 5 heats the metal tube in the outer cover 61, the heat dissipation fan 62 is required to cool the metal tube outside the outer cover 61 to ensure that the heating device 5 only precisely heats the metal tube inside the outer cover 61. And the outer cover 61 can effectively isolate the influence of the external environment on the heating device 5, improve the concentration and stability of the heat source, prevent the heating temperature of the heating device 5 from decreasing, and thus improve the detection accuracy.

[0037] Embodiment 2 The difference between Embodiment 2 and Embodiment 1 is that with reference to Figure 1 and Figure 2, the clamping and moving mechanism 4 includes a slide rail 41, a first slider 42, and an elastic clamping assembly 43. The first slider 42 is slidably connected to the slide rail 41, and the elastic clamping assembly 43 is installed on the first slider 42 for elastically clamping the metal tube. In the embodiment of the present application, after the metal tube is elastically clamped by the elastic clamping assembly 43, it can avoid damaging the metal tube while clamping it, and then the metal tube is moved through the coordinated cooperation of the slide rail 41 and the first slider 42 to realize the clamping and moving of the metal tube.

[0038] Referring to Figure 1 and Figure 2 , the elastic clamping assembly 43 includes a support ring 430, a plurality of first V-shaped plates 431, and a plurality of second V-shaped plates 4310. The side wall of the support ring 430 is connected to the first slider 42. In the axial direction of the support ring 430, the first V-shaped plates 431 are located on one side of the support ring 430, and the second V-shaped plates 4310 are located on the side of the first V-shaped plates 431 away from the support ring 430, and the plurality of first V-shaped plates 431 and the plurality of second V-shaped plates 4310 are both circumferentially spaced apart along the support ring 430. The first V-shaped plate 431 is connected to the support ring 430 by a first swing arm 432. The first swing arm 432 is fixedly connected to the first V-shaped plate 431 and rotatably connected to the support ring 430. The second V-shaped plate 4310 is connected to the support ring 430 by a second swing arm 4320. The second swing arm 4320 is fixedly connected to the second V-shaped plate 4310 and rotatably connected to the support ring 430. In the embodiment of the present application, while realizing the stable clamping of the metal tube of the temperature sensor 22 to be measured, it can flexibly adapt to metal tubes of different diameters. The specific effects are as follows: The design of the support ring 430, the first V-shaped plates 431, and the second V-shaped plates 4310 in the elastic clamping assembly 43 enables the clamping structure to evenly distribute force in the circumferential direction, ensuring the stability of the metal tube during the detection process and avoiding the decrease in detection accuracy caused by shaking. The first V-shaped plates 431 and the second V-shaped plates 4310 are respectively connected to the support ring 430 through the first swing arm 432 and the second swing arm 4320 to form an adjustable clamping angle, so as to adapt to metal tubes of various sizes, enhancing the versatility and application range of the device.

[0039] Referring to Figure 1 and Figure 2, a first swing arm 432 and a support ring 430 are connected with a first torsion spring 433; a second swing arm 4320 and a support ring 430 are connected with a second torsion spring 4330. In the embodiment of the present application, the first torsion spring 433 between the first swing arm 432 and the support ring 430 can provide a pre-tightening force, so that the first V-shaped plate 431 maintains a stable initial position when not affected by an external force, thereby enhancing the clamping stability of the metal tube. At the same time, the distance between multiple first V-shaped plates 431 can be adaptively adjusted according to the size of the metal tube, realizing the clamping of metal tubes with different diameters. The second torsion spring 4330 between the second swing arm 4320 and the support ring 430 also provides a pre-tightening force, so that the second V-shaped plate 4310 can better adapt to metal tubes with different diameters within the elastic range, improving the adaptability and reliability of clamping. At the same time, the distance between multiple second V-shaped plates 4310 can be adaptively adjusted according to the size of the metal tube, realizing the clamping of metal tubes with different diameters. The combined action of these two designs ensures that the metal tube will not shift or become loose during the movement process, improving the detection accuracy and operation safety. At the same time, the distance between multiple first V-shaped plates 431 and multiple second V-shaped plates 4310 can be adaptively adjusted according to the size of the metal tube, realizing the clamping of metal tubes with different diameters.

[0040] Referring to Figure 1 and Figure 2 , a second slider 44 slidably connected to the slide rail 41 is provided between the elastic clamping assembly 43 and the heating device 5. The clamping moving mechanism 4 further includes a position measuring assembly 45. The position measuring assembly 45 includes a position measuring bracket 450, a stationary sheave 451 and a movable sheave 452. The position measuring bracket 450 is installed on the second slider 44; the stationary sheave 451 and the movable sheave 452 are oppositely arranged. One end of the stationary sheave 451 away from the movable sheave 452 is connected with a telescopic member 4511 to the position measuring bracket 450, and the telescopic member 4511 is connected with a pressure sensor 4512 to the position measuring bracket 450. One end of the movable sheave 452 away from the stationary sheave 451 is connected with a spring rod 4521 to the position measuring bracket 450, and the spring rod 4521 is connected with a pressure switch 4522 to the position measuring bracket 450; the pressure switch 4522 is used to control the opening and closing of the heating device 5.

[0041] Referring to Figure 1 and Figure 2, in the embodiments of the present application, the precise cooperation between the clamping and moving mechanism 4 and the heating device 5 in the temperature sensor 2 detection device is achieved. Specifically, the added second slider 44 enables the elastic clamping assembly 43 to move stably relative to the heating device 5, thereby ensuring the positioning accuracy of the temperature sensor 22 to be detected during the detection process. The stationary sprocket 451 and the movable sprocket 452 in the position detection assembly 45 cooperate to monitor the position change of the metal tube in real time during the movement of the metal tube. The pressure sensor 4512 accurately feedbacks the movement state of the metal tube by sensing the force on the telescopic member 4511, thereby improving the detection accuracy. In addition, with the help of the spring rod 4521, the pressure switch 4522 triggers the opening or closing of the heating device 5 in a timely manner when the metal tube reaches the designated position, effectively avoiding energy waste and improving the detection efficiency. Finally, this design significantly enhances the overall performance of the device, ensuring the reliability and stability of the detection results within the effective use range of the temperature sensor 2.

[0042] The implementation principle of this embodiment is as follows: When the clamping and moving mechanism 4 operates, the metal tube is placed between multiple first V-shaped plates 431 and multiple second V-shaped plates 4310. Under the torsion of the first torsion spring 433 and the second torsion spring 4330, the distance between the multiple first V-shaped plates 431 and the multiple second V-shaped plates 4310 can be adaptively adjusted according to the size of the metal tube, realizing the elastic clamping of metal tubes with different diameters. The slide rail 41 and the first slider 42 cooperate to move the metal tube, so that the metal tube enters the outer cover 61 through the detection through hole 6101, and the heating device 5 heats the metal tube in the outer cover 61. During the process of the metal tube moving closer to the heating device 5, when the heat-sensitive resistance probe of the temperature sensor 22 to be detected does not directly reach the heating device 5, as the temperature detection device 21 approaches the heating device 5, the temperature detection value generated by the temperature detection device 21 will gradually increase, but at this time, the increase in the temperature detection value is still in a relatively gentle state. When the heat-sensitive resistance probe of the temperature sensor 22 to be detected reaches the heating device 5, the temperature detection value at this time will show a sudden change, that is, the temperature detection value will increase significantly. When the increase amplitude of the temperature detection value reaches the maximum heating amplitude value, it means that the position where the heat-sensitive resistance probe is located has been confirmed, and the detection is over. The clamping and moving mechanism 4 clamps the temperature sensor 2 that has been detected and retracts. During the detection process, when the heating device 5 heats the metal tube in the outer cover 61, the heat dissipation fan 62 is required to cool the metal tube outside the outer cover 61 to ensure that the heating device 5 only accurately heats the metal tube inside the outer cover 61. And the outer cover 61 can effectively isolate the influence of the external environment on the heating device 5, improve the concentration and stability of the heat source, prevent the heating temperature of the heating device 5 from decreasing, and thus improve the detection accuracy.

[0043] Unless otherwise defined, the technical terms or scientific terms used in this application shall have the ordinary meanings as understood by those of ordinary skill in the art to which this application pertains. The terms "first", "second", "third" and similar terms used in the specification and claims of this application do not denote any order, quantity or importance, but are merely used to distinguish different components. Similar terms such as "a" or "an" do not denote a quantity limitation, but rather denote the presence of at least one. Terms such as "comprising" or "including" mean that the elements or items appearing before "comprising" or "including" cover the elements or items listed after "comprising" or "including" and their equivalents, and do not exclude other elements or items. Terms such as "upper", "lower", "left", "right" are only used to indicate relative positional relationships, and when the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0044] The above are all optional embodiments of this application, and do not limit the protection scope of this application accordingly. Therefore, all equivalent changes made according to the structure, shape and principle of this application shall be covered within the protection scope of this application.

Claims

1. A temperature sensor detection device, characterized in that: It comprises a machine box (1), a wiring assembly (3), a clamping and moving mechanism (4), a heating device (5) and a directional heat dissipation assembly (6), wherein a temperature detection device (21) is provided in the machine box (1); The wiring assembly (3) comprises a plurality of wiring clips (31) connected in a one-to-one correspondence with a plurality of first wiring terminals of the temperature detection device (21); The clamping and moving mechanism (4) and the heating device (5) are installed on the machine box (1) at intervals; The temperature sensor to be measured (22) comprises a metal tube, a thermistor located in the metal tube, and a plurality of second wiring terminals corresponding to a plurality of wiring clamps (31); the clamping and moving mechanism (4) is used to clamp the metal tube and move the metal tube toward the heating device (5); The directional heat dissipation assembly (6) comprises an outer cover (61) and a heat dissipation fan (62); the outer cover (61) and the heat dissipation fan (62) are installed on the machine box (1) at an interval; the outer cover (61) is provided with a detection through hole (6101) for accommodating the metal tube; and the heating device (5) is installed in the outer cover (61).

2. A temperature sensor detection device according to claim 1, characterized in that: In the radial direction of the detection through hole (6101), the heat dissipation fan (62) and the outer cover (61) are arranged at a distance.

3. A temperature sensor detection device according to claim 1, characterized in that: The heating mechanism comprises an annular heating element (51) installed in the outer cover (61).

4. A temperature sensor detection device according to claim 1, characterized in that: The heating mechanism comprises a laser heater (52) installed in the outer cover (61).

5. A temperature sensor detection device according to claim 1, characterized in that: The clamping movement mechanism (4) comprises a slide rail (41) and a first sliding block (42) slidably connected to the slide rail (41), and a positioning hole (4201) is provided on the first sliding block (42); The first sliding block (42) is also provided with a positioning screw (421) arranged along the radial direction of the positioning hole (4201), and the positioning screw (421) is threadedly connected to the first sliding block (42).

6. A temperature sensor detection device according to claim 1, characterized in that: The clamping movement mechanism (4) comprises a slide rail (41), a first slider (42) and an elastic clamping assembly (43); the first slider (42) is slidably connected to the slide rail (41); and the elastic clamping assembly (43) is mounted on the first slider (42) and is used to elastically clamp the metal tube.

7. A temperature sensor detection device according to claim 6, characterized in that: The elastic clamping assembly (43) comprises a support ring (430), a plurality of first V-shaped plates (431) and a plurality of second V-shaped plates (4310); the side wall of the support ring (430) is connected to the first sliding block (42); In the axial direction of the support ring (430), the first V-shaped plate (431) is located on one side of the support ring (430), the second V-shaped plate (4310) is located on a side of the first V-shaped plate (431) away from the support ring (430), and a plurality of the first V-shaped plates (431) and a plurality of the second V-shaped plates (4310) are distributed at intervals along the circumference of the support ring (430); The first V-shaped plate (431) and the support ring (430) are connected to a first swing arm (432); the first swing arm (432) is fixedly connected to the first V-shaped plate (431) and is rotatably connected to the support ring (430); The second V-shaped plate (4310) and the support ring (430) are connected to a second swing arm (4320); the second swing arm (4320) is fixedly connected to the second V-shaped plate (4310) and is rotatably connected to the support ring (430).

8. A temperature sensor detection device according to claim 7, characterized in that: The first swing arm (432) and the support ring (430) are connected to a first torsion spring (433); the second swing arm (4320) and the support ring (430) are connected to a second torsion spring (4330).

9. A temperature sensor detection device according to claim 7, characterized in that: A second sliding block (44) slidably connected to the sliding rail (41) is provided between the elastic clamping assembly (43) and the heating device (5); The clamping and moving mechanism (4) further comprises a positioning assembly (45), the positioning assembly (45) comprising a positioning bracket (450), a stationary sheave (451) and a movable sheave (452), the positioning bracket (450) being mounted on the second sliding block (44); the stationary sheave (451) and the movable sheave (452) being arranged opposite to each other; One end of the stationary sheave (451) away from the movable sheave (452) is connected to the positioning bracket (450) with a telescopic member (4511), and the telescopic member (4511) and the positioning bracket (450) are connected to a pressure sensor (4512); One end of the movable sheave (452) away from the stationary sheave (451) is connected to the positioning bracket (450) via a spring rod (4521); the spring rod (4521) and the positioning bracket (450) are connected to a pressure switch (4522); the pressure switch (4522) is used to control the opening and closing of the heating device (5).

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