Medium-long wave infrared multiband thermal detector and detection method thereof

Abstract

The invention discloses a medium-long wave infrared multiband thermal detector and a detection method thereof, and belongs to the technical field of thermal detectors, the medium-long wave infrared multiband thermal detector comprises a box body, a sliding plate is slidably connected to the bottom of an inner cavity of the box body, a thermal detector is placed above the sliding plate, a door plate is rotatably connected to the outer side of the box body, and a limiting assembly is arranged at the top of the inner cavity of the box body. The middle-long wave infrared multiband thermal detector comprises a box body, a door plate is arranged in the box body, a limiting assembly is arranged in the box body, the limiting assembly penetrates through the box body and is connected with the door plate, a mounting box is fixedly connected to the lower portion of the box body, and a moving assembly is arranged in an inner cavity of the mounting box. The limiting plate can be automatically controlled to be attached to the upper portion of the thermal detector, so that the thermal detector is limited, the situation that the thermal detector collides with the inner wall of the box body due to vibration when the thermal detector is transported is avoided, the thermal detector is prevented from being damaged, and the service life of the thermal detector is prolonged.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of thermal detector, more particularly, to a middle-long wave infrared multi-band thermal detector and a detection method thereof. BACKGROUND

[0002] The object absorbs radiation, the lattice vibration intensifies, the radiant energy is converted into heat energy, and the temperature rises. Due to the temperature rise of the object, the physical properties related to the temperature change, and the phenomenon that the object absorbs radiation to change the temperature and thus causes the corresponding changes of the physical, mechanical and other properties of the object is called thermal effect. The detector made by using thermal effect is called thermal detector. In the prior art, the thermal detector is generally directly transported after production. However, since the thermal detector contains various precise components inside, when the thermal detector collides with the transport box, the components inside the thermal detector may be damaged, thereby reducing the service life of the thermal detector. Based on this, the present application designs a middle-long wave infrared multi-band thermal detector and a detection method thereof to solve the above problems. SUMMARY

[0003] Technical problems to be solved The present application aims to provide a middle-long wave infrared multi-band thermal detector to solve the problems in the background art.

[0004] Technical scheme A middle-long wave infrared multi-band thermal detector, comprising a box body, a sliding plate is slidably connected to the bottom of the inner cavity of the box body, a thermal detector is placed above the sliding plate, a door plate is rotatably connected to the outer side of the box body, a limiting assembly is arranged at the top of the inner cavity of the box body, the limiting assembly penetrates the box body and is connected with the door plate, an installation box is fixedly connected to the lower side of the box body, a moving assembly is arranged in the inner cavity of the installation box, the moving assembly is connected with the sliding plate and the door plate respectively, a clamping assembly is arranged on the outer side of the thermal detector, the clamping assembly penetrates the installation box and is connected with the moving assembly.

[0005] Preferably, the limiting assembly comprises a threaded rod one rotatably connected to the top of the inner cavity of the box body, the top end of the threaded rod one penetrates the box body and is connected with a driving assembly, a threaded sleeve is threadedly connected to the outer side of the threaded rod one, the bottom end of the threaded sleeve is fixedly connected with a limiting plate, a buffer pad is arranged below the limiting plate, a limiting cylinder is fixedly connected above the limiting plate, a limiting rod is slidably connected in the inner cavity of the limiting cylinder, the limiting rod penetrates the limiting cylinder and is fixedly connected with the box body.

[0006] Preferably, the driving assembly comprises a driven shaft rotatably connected above the box body, one end of the driven shaft is fixedly connected with the threaded rod, and the other end of the driven shaft is fixedly connected with a driven pulley one, the outer side of the driven pulley one is sleeved with a belt one, and the driven pulley one is connected with a driving pulley one through the belt one, the outer side of the driving pulley one is fixedly connected with a driving shaft, the driving shaft penetrates the box body and is fixedly connected with the door plate.

[0007] Preferably, the moving assembly comprises guide grooves opened above the mounting box and below the box body, the inner cavity of the guide groove is slidably connected with a threaded seat, the threaded seat penetrates the box body and is fixedly connected with the sliding plate, and the outer side of the threaded seat is threadedly connected with a threaded rod two, both ends of the threaded rod two are rotatably connected with bearing seats, the bearing seats are fixedly connected with the mounting box, one end of the threaded rod two penetrates the bearing seat and is fixedly connected with a transmission rod, the end of the transmission rod away from the bearing seat is fixedly connected with a driven pulley two, the outer side of the driven pulley two is sleeved with a belt two, and the driven pulley two is connected with a driving pulley two through the belt two, the outer side of the driving pulley two is provided with a transmission assembly.

[0008] Preferably, the transmission assembly comprises a connecting frame fixedly connected in the inner cavity of the mounting box, the outer side of the connecting frame is rotatably connected with a transmission shaft, one end of the transmission shaft is fixedly connected with the driving pulley two, and the other end of the transmission shaft is fixedly connected with a driven bevel gear one, the outer side of the driven bevel gear one is engaged with a driving bevel gear one, the outer side of the driving bevel gear one is fixedly connected with a driving shaft, the driving shaft penetrates the box body and is fixedly connected with the door plate.

[0009] Preferably, the clamping assembly comprises a threaded rod three rotatably connected on the inner wall of the box body, one end of the threaded rod three penetrates the box body and is connected with a linkage assembly, and the outer side of the threaded rod three is threadedly connected with a connecting sleeve, the end of the connecting sleeve away from the inner wall of the box body is fixedly connected with a clamping plate, the inner side of the clamping plate is provided with an anti-skid pad, and the outer side of the clamping plate is fixedly connected with a guide cylinder, the inner cavity of the guide cylinder is slidably connected with a guide rod, and the guide rod is fixedly connected with the inner wall of the box body.

[0010] Preferably, the linkage assembly comprises a mounting bracket fixedly connected in the inner cavity of the mounting box, the outer side of the mounting bracket is rotatably connected with a connecting rod, one end of the connecting rod is fixedly connected with a driving pulley three, the outer side of the driving pulley three is sleeved with a belt three, and the driving pulley three is connected with a driven pulley three through the belt three, the outer side of the driven pulley three is fixedly connected with a mounting shaft, the mounting shaft penetrates the box body and is fixedly connected with the threaded rod three, the end of the connecting rod away from the driving pulley three is fixedly connected with a driven bevel gear two, the outer side of the driven bevel gear two is engaged with a driving bevel gear two, and the driving bevel gear two is fixedly connected with the transmission rod.

[0011] Preferably, the outer side of the door plate is fixedly connected with a handle.

[0012] A middle-long wave infrared multi-band thermal detection method has the following steps: S1, open the door plate, the door plate will drive the fixed connection with the driving shaft to rotate, so that the driving shaft drives the fixed connection with the driving cone wheel one to rotate, the driving cone wheel one will drive the driven cone wheel one to rotate when rotating, so that the threaded seat drives the fixed connection with the synchronous movement of the sliding plate, then the thermal detector is placed above the sliding plate and the door plate is closed; S2, when closing the door plate, the door plate will drive the fixed connection with the driving shaft to rotate, so that the threaded rod one drives the threaded sleeve connected with it to move downward, the threaded sleeve will drive the fixed connection with the synchronous movement of the limiting plate when moving, so that the limiting plate is attached to the thermal detector, avoiding the thermal detector moving up and down; S3, at the same time, the transmission rod will drive the fixed connection with the driving cone wheel two to reverse, so that the threaded rod three drives the fixed connection with the synchronous movement of the connecting sleeve, so that the two clamping plates clamp the thermal detector, avoiding the thermal detector moving horizontally.

[0013] Advantages Compared with the prior art, the advantages of the present application are: In the present application, by setting the limiting component, the device can automatically control the limiting plate to be attached to the top of the thermal detector when transporting the thermal detector, so as to limit the thermal detector, avoid the collision between the thermal detector and the inner wall of the box due to vibration when transporting the thermal detector, and avoid the damage of the thermal detector, thereby improving the service life of the thermal detector.

[0014] In the present application, by setting the moving component, the device can automatically control the threaded rod two to rotate when controlling the door plate to open or close, so that the device can control the sliding plate to move forward and backward in the inner cavity of the box, so that the device can automatically control the thermal detector to move into or out of the box, thereby improving the use effect of the device.

[0015] In the present application, by setting the clamping component, the device can automatically control the threaded rod three to rotate when moving the thermal detector into the inner cavity of the box, so that the two clamping plates are close to each other, so that the device can clamp the thermal detector through the two clamping plates, thereby avoiding the horizontal movement of the thermal detector during transportation, causing the collision with the inner wall of the box, thereby further improving the service life of the thermal detector. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall structure of the present application is shown in the figure; Figure 2 It is a sectional view of the box structure of the present application; Figure 3 It is a schematic view of the limiting assembly structure of the present application; Figure 4 It is a sectional view of the mounting box structure of the present application; Figure 5 It is a schematic view of the Figure 4 It is an enlarged view of the structure at A in the present application; Figure 6 It is a schematic view of the Figure 4 It is an enlarged view of the structure at B in the present application; Figure 7 It is a schematic view of the clamping assembly structure of the present application.

[0017] Explanation of reference numerals in the drawing: 1, box; 2, sliding plate; 3, thermal detector; 4, door plate; 5, limiting assembly; 51, threaded rod one; 52, threaded sleeve; 53, limiting plate; 54, limiting cylinder; 55, limiting rod; 56, driven shaft; 57, driven wheel one; 58, belt one; 59, driving wheel one; 510, driving shaft; 6, mounting box; 7, moving assembly; 71, guide groove; 72, threaded seat; 73, threaded rod two; 74, bearing seat; 75, transmission rod; 76, driven wheel two; 77, belt two; 78, driving wheel two; 710, transmission shaft; 711, connecting frame; 712, driven bevel wheel one; 713, driving bevel wheel one; 714, driving shaft; 8, clamping assembly; 81, threaded rod three; 82, connecting sleeve; 83, clamping plate; 84, guide cylinder; 85, guide rod; 86, mounting shaft; 87, driven wheel three; 88, belt three; 89, driving wheel three; 810, connecting rod; 811, mounting frame; 812, driven bevel wheel two; 813, driving bevel wheel two; 9, handle. DETAILED DESCRIPTION

[0018] Embodiment: Please refer to Figures 1-7 A medium-long wave infrared multi-band thermal detector, comprising a box 1, a sliding plate 2 is slidably connected to the bottom of the inner cavity of the box 1, a thermal detector 3 is placed above the sliding plate 2, a door plate 4 is rotatably connected to the outer side of the box 1, and a limiting assembly 5 is arranged at the top of the inner cavity of the box 1, the limiting assembly 5 penetrates through the box 1 and is connected with the door plate 4, a mounting box 6 is fixedly connected below the box 1, a moving assembly 7 is arranged in the inner cavity of the mounting box 6, the moving assembly 7 is connected with the sliding plate 2 and the door plate 4 respectively, a clamping assembly 8 is arranged on the outer side of the thermal detector 3, the clamping assembly 8 penetrates through the mounting box 6 and is connected with the moving assembly 7, and a handle 9 is fixedly connected to the outer side of the door plate 4, so as to facilitate the opening and closing of the door plate 4.

[0019] The limiting assembly 5 comprises a threaded rod one 51 rotatably connected at the top of the inner cavity of the box body 1, the top end of the threaded rod one 51 penetrates through the box body 1 and is connected with a driving assembly, and the outer side of the threaded rod one 51 is threadedly connected with a threaded sleeve 52, the bottom end of the threaded sleeve 52 is fixedly connected with a limiting plate 53, the lower side of the limiting plate 53 is provided with a buffer pad, and the upper side of the limiting plate 53 is fixedly connected with a limiting cylinder 54, the inner cavity of the limiting cylinder 54 is slidably connected with a limiting rod 55, the limiting rod 55 penetrates through the limiting cylinder 54 and is fixedly connected with the box body 1, and the driving assembly comprises a driven shaft 56 rotatably connected above the box body 1, one end of the driven shaft 56 is fixedly connected with the threaded rod one 51, the other end of the driven shaft 56 is fixedly connected with a driven wheel one 57, the outer side of the driven wheel one 57 is sleeved with a belt one 58, the driven wheel one 57 is connected with a driving wheel one 59 through the belt one 58, the outer side of the driving wheel one 59 is fixedly connected with a driving shaft 510, and the driving shaft 510 penetrates through the box body 1 and is fixedly connected with the door plate 4.

[0020] By arranging the limiting assembly 5, when the heat detector 3 is transported, the limiting plate 53 can be automatically controlled to be attached to the upper side of the heat detector 3, so as to limit the heat detector 3, avoid the heat detector 3 from colliding with the inner wall of the box body 1 due to vibration during transportation, and avoid the heat detector 3 from being damaged, thereby prolonging the service life of the heat detector 3.

[0021] The moving assembly 7 comprises a guide groove 71 arranged above the mounting box 6 and below the box body 1, the inner cavity of the guide groove 71 is slidably connected with a threaded seat 72, the threaded seat 72 penetrates through the box body 1 and is fixedly connected with the sliding plate 2, the outer side of the threaded seat 72 is threadedly connected with a threaded rod two 73, both ends of the threaded rod two 73 are rotatably connected with a bearing seat 74, the bearing seat 74 is fixedly connected with the mounting box 6, one end of the threaded rod two 73 penetrates through the bearing seat 74 and is fixedly connected with a transmission rod 75, the end, away from the bearing seat 74, of the transmission rod 75 is fixedly connected with a driven wheel two 76, the outer side of the driven wheel two 76 is sleeved with a belt two 77, the driven wheel two 76 is connected with a driving wheel two 78 through the belt two 77, the outer side of the driving wheel two 78 is provided with a transmission assembly, the transmission assembly comprises a connecting frame 711 fixedly connected at the bottom of the inner cavity of the mounting box 6, the outer side of the connecting frame 711 is rotatably connected with a transmission shaft 710, one end of the transmission shaft 710 is fixedly connected with the driving wheel two 78, the other end of the transmission shaft 710 is fixedly connected with a driven bevel one 712, the outer side of the driven bevel one 712 is engaged with a driving bevel one 713, the outer side of the driving bevel one 713 is fixedly connected with a driving shaft 714, and the driving shaft 714 penetrates through the box body 1 and is fixedly connected with the door plate 4.

[0022] Through the setting of the moving assembly 7, the device can automatically control the rotation of the threaded rod two 73 when the control door plate 4 is opened or closed, so that the device can control the sliding plate 2 to move forward and backward in the inner cavity of the box body 1, so that the device can automatically control the thermal detector 3 to move into or out of the box body 1, thereby improving the use effect of the device.

[0023] The clamping assembly 8 comprises a threaded rod three 81 rotatably connected to the inner wall of the box body 1, one end of the threaded rod three 81 penetrates through the box body 1 and is connected with a linkage assembly, and the outer side of the threaded rod three 81 is threadedly connected with a connecting sleeve 82, one end of the connecting sleeve 82 away from the inner wall of the box body 1 is fixedly connected with a clamping plate 83, the inner side of the clamping plate 83 is provided with an antiskid pad, and the outer side of the clamping plate 83 is fixedly connected with a guide cylinder 84, the inner cavity of the guide cylinder 84 is slidably connected with a guide rod 85, and the guide rod 85 is fixedly connected with the inner wall of the box body 1, the linkage assembly comprises a mounting frame 811 fixedly connected to the bottom of the inner cavity of the mounting box 6, the outer side of the mounting frame 811 is rotatably connected with a connecting rod 810, one end of the connecting rod 810 is fixedly connected with a driving wheel three 89, the outer side of the driving wheel three 89 is sleeved with a belt three 88, and the driving wheel three 89 is connected with a driven wheel three 87 through the belt three 88, the outer side of the driven wheel three 87 is fixedly connected with a mounting shaft 86, the mounting shaft 86 penetrates through the box body 1 and is fixedly connected with the threaded rod three 81, one end of the connecting rod 810 away from the driving wheel three 89 is fixedly connected with a driven bevel gear two 812, the outer side of the driven bevel gear two 812 is engaged with a driving bevel gear two 813, and the driving bevel gear two 813 is fixedly connected with the transmission rod 75.

[0024] Through the setting of the clamping assembly 8, when the thermal detector 3 is moved into the inner cavity of the box body 1, the device can automatically control the rotation of the threaded rod three 81, so that the two clamping plates 83 are close to each other, so that the device clamps the thermal detector 3 through the two clamping plates 83, thereby avoiding the transverse movement of the thermal detector 3 during transportation, causing collision with the inner wall of the box body 1, thereby further improving the service life of the thermal detector 3.

[0025] The working principle of the present application is as follows: First, open the door plate 4, the door plate 4 will drive the fixed connection with its driving shaft 714 rotation, so that the driving shaft 714 drive the fixed connection with its driving cone one 713 rotation, driving cone one 713 in rotation will drive the engagement with its driven cone one 712 rotation, so that the driven cone one 712 drive the fixed connection with its transmission shaft 710 rotation, transmission shaft 710 in rotation will drive the fixed connection with its driving wheel two 78 rotation, so that the driving wheel two 78 through the belt two 77 drive driven wheel two 76 rotation, driven wheel two 76 in rotation will drive the fixed connection with its transmission rod 75 rotation, so that the transmission rod 75 drive the fixed connection with its threaded rod two 73 rotation, threaded rod two 73 in rotation will drive the threaded connection with its threaded seat 72 to move outward, so that the threaded seat 72 drive the fixed connection with its synchronous movement of the slide plate 2, then the thermal probe 3 is placed on the slide plate 2 and close the door plate 4; When the door plate 4 is closed, the door plate 4 will drive the fixed connection with its driving shaft 510 rotation, so that the driving shaft 510 drive the fixed connection with its driving wheel one 59 rotation, driving wheel one 59 in rotation will drive the driven wheel one 57 through the belt one 58 rotation, so that the driven wheel one 57 drive the fixed connection with its driven shaft 56 rotation, driven shaft 56 in rotation will drive the fixed connection with its threaded rod one 51 rotation, so that the threaded rod one 51 drive the threaded connection with its threaded sleeve 52 downward movement, threaded sleeve 52 in movement will drive the fixed connection with its synchronous movement of the limiting plate 53, so that the limiting plate 53 with thermal probe 3 to adhere to, avoid the thermal probe 3 up and down movement; At the same time, the transmission rod 75 will drive the fixed connection with its driving cone two 813 reverse rotation, so that the driving cone two 813 drive the engagement with its driven cone two 812 rotation, driven cone two 812 in rotation will drive the fixed connection with its connecting rod 810 rotation, so that the connecting rod 810 drive the fixed connection with its driving wheel three 89 rotation, driving wheel three 89 in rotation will drive the driven wheel three 87 through the belt three 88 rotation, so that the driven wheel three 87 drive the fixed connection with its mounting shaft 86 rotation, mounting shaft 86 in rotation will drive the fixed connection with its threaded rod three 81 rotation, so that the threaded rod three 81 drive the threaded connection with its connecting sleeve 82 movement, connecting sleeve 82 in movement will drive the fixed connection with its synchronous movement of the clamping plate 83, so that the two clamping plate 83 to thermal probe 3 clamping, avoid the thermal probe 3 transverse movement.

[0026] The above shows and describes the basic principles, main features and advantages of the present application. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A mid-to-long-wave infrared multi-band thermal detector, comprising a housing (1), characterized in that: A sliding plate (2) is slidably connected to the bottom of the inner cavity of the box (1). A thermal detector (3) is placed above the sliding plate (2). A door panel (4) is rotatably connected to the outer side of the box (1). A limiting component (5) is provided at the top of the inner cavity of the box (1). The limiting component (5) passes through the box (1) and is connected to the door panel (4). A mounting box (6) is fixedly connected to the bottom of the box (1). A moving component (7) is provided in the inner cavity of the mounting box (6). The moving component (7) is connected to the sliding plate (2) and the door panel (4) respectively. A clamping component (8) is provided on the outer side of the thermal detector (3). The clamping component (8) passes through the mounting box (6) and is connected to the moving component (7).

2. The mid-to-long-wave infrared multi-band thermal detector according to claim 1, characterized in that: The limiting component (5) includes a threaded rod (51) rotatably connected to the top of the inner cavity of the housing (1). The top end of the threaded rod (51) passes through the housing (1) and is connected to a drive component. The outer side of the threaded rod (51) is threadedly connected to a threaded sleeve (52). The bottom end of the threaded sleeve (52) is fixedly connected to a limiting plate (53). A buffer pad is provided below the limiting plate (53). A limiting cylinder (54) is fixedly connected above the limiting plate (53). A limiting rod (55) is slidably connected to the inner cavity of the limiting cylinder (54). The limiting rod (55) passes through the limiting cylinder (54) and is fixedly connected to the housing (1).

3. The mid-to-long-wave infrared multi-band thermal detector according to claim 2, characterized in that: The drive assembly includes a driven shaft (56) rotatably connected above the housing (1). One end of the driven shaft (56) is fixedly connected to a threaded rod (51), and the other end of the driven shaft (56) is fixedly connected to a driven wheel (57). A belt (58) is sleeved on the outside of the driven wheel (57), and the driven wheel (57) is connected to a drive wheel (59) through the belt (58). A drive shaft (510) is fixedly connected to the outside of the drive wheel (59), and the drive shaft (510) passes through the housing (1) and is fixedly connected to the door panel (4).

4. The mid-to-long-wave infrared multi-band thermal detector according to claim 1, characterized in that: The moving component (7) includes a guide groove (71) opened above the mounting box (6) and below the box body (1). The inner cavity of the guide groove (71) is slidably connected to a threaded seat (72). The threaded seat (72) passes through the box body (1) and is fixedly connected to the slide plate (2). The outer side of the threaded seat (72) is threadedly connected to a threaded rod (73). Both ends of the threaded rod (73) are rotatably connected to bearing seats (74). The bearing seats (74) are fixedly connected to the mounting box (6). One end of the threaded rod (73) passes through the bearing seat (74) and is fixedly connected to a transmission rod (75). The end of the transmission rod (75) away from the bearing seat (74) is fixedly connected to a driven wheel (76). The outer side of the driven wheel (76) is fitted with a belt (77). The driven wheel (76) is connected to a driving wheel (78) through the belt (77). The outer side of the driving wheel (78) is provided with a transmission component.

5. A mid-to-long-wave infrared multi-band thermal detector according to claim 4, characterized in that: The transmission assembly includes a connecting frame (711) fixedly connected to the bottom of the inner cavity of the mounting box (6). A transmission shaft (710) is rotatably connected to the outer side of the connecting frame (711). One end of the transmission shaft (710) is fixedly connected to the second driving wheel (78), and the other end of the transmission shaft (710) is fixedly connected to the first driven cone wheel (712). The outer side of the first driven cone wheel (712) is engaged with the first driving cone wheel (713). The outer side of the first driving cone wheel (713) is fixedly connected to the drive shaft (714). The drive shaft (714) passes through the box body (1) and is fixedly connected to the door panel (4).

6. A mid-to-long-wave infrared multi-band thermal detector according to claim 1, characterized in that: The clamping assembly (8) includes a threaded rod three (81) rotatably connected to the inner wall of the box (1). One end of the threaded rod three (81) passes through the box (1) and is connected to a linkage assembly. A connecting sleeve (82) is threadedly connected to the outer side of the threaded rod three (81). A clamping plate (83) is fixedly connected to the end of the connecting sleeve (82) away from the inner wall of the box (1). An anti-slip pad is provided on the inner side of the clamping plate (83). A guide cylinder (84) is fixedly connected to the outer side of the clamping plate (83). A guide rod (85) is slidably connected to the inner cavity of the guide cylinder (84). The guide rod (85) is fixedly connected to the inner wall of the box (1).

7. A mid-to-long-wave infrared multi-band thermal detector according to claim 6, characterized in that: The linkage assembly includes a mounting bracket (811) fixedly connected to the bottom of the inner cavity of the mounting box (6). A connecting rod (810) is rotatably connected to the outer side of the mounting bracket (811). One end of the connecting rod (810) is fixedly connected to a drive wheel three (89). A belt three (88) is sleeved on the outer side of the drive wheel three (89). The drive wheel three (89) is connected to a driven wheel three (87) through the belt three (88). An installation shaft (86) is fixedly connected to the outer side of the driven wheel three (87). The installation shaft (86) passes through the box body (1) and is fixedly connected to a threaded rod three (81). A driven conical wheel two (812) is fixedly connected to the end of the connecting rod (810) away from the drive wheel three (89). A drive conical wheel two (813) meshes with the outer side of the driven conical wheel two (812). The drive conical wheel two (813) is fixedly connected to the transmission rod (75).

8. A mid-to-long-wave infrared multi-band thermal detector according to claim 1, characterized in that: A handle (9) is fixedly connected to the outside of the door panel (4).

9. A method for multi-band thermal detection in mid- and long-wave infrared light, characterized in that, The steps for applying the mid-to-long-wave infrared multi-band thermal detector according to any one of claims 1-8 are as follows: S1, open the door panel (4), the door panel (4) will drive the drive shaft (714) fixedly connected to it to rotate, thereby causing the drive shaft (714) to drive the active cone wheel (713) fixedly connected to it to rotate. When the active cone wheel (713) rotates, it will drive the driven cone wheel (712) meshed with it to rotate, thereby causing the threaded seat (72) to drive the slide plate (2) fixedly connected to it to move synchronously. Then, place the heat detector (3) above the slide plate (2) and close the door panel (4). S2, when the door panel (4) is closed, the door panel (4) will drive the drive shaft (510) fixedly connected to it to rotate, thereby causing the threaded rod (51) to drive the threaded sleeve (52) threadedly connected to it to move downward. When the threaded sleeve (52) moves, it will drive the limiting plate (53) fixedly connected to it to move synchronously, thereby making the limiting plate (53) fit with the heat detector (3) to prevent the heat detector (3) from moving up and down; S3, at the same time, the transmission rod (75) will drive the active cone wheel (813) fixedly connected to it to reverse, thereby causing the threaded rod (81) to drive the connecting sleeve (82) threadedly connected to it to move. When the connecting sleeve (82) moves, it will drive the clamping plate (83) fixedly connected to it to move synchronously, thereby causing the two clamping plates (83) to clamp the thermal detector (3) and prevent the thermal detector (3) from moving laterally.

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