Device and method for detecting characteristics of infrared reflection pigment

Abstract

The invention relates to the technical field of pigment characteristic detection, in particular to an infrared reflection pigment characteristic detection device and a detection method thereof.The infrared reflection pigment characteristic detection device comprises a detection box and a detection module arranged in the detection box, a supporting base is fixedly installed at the lower end of the detection box, and an inlet is formed in the detection box; a sliding plate is slidably connected to the detection box, a limiting assembly used for limiting and fixing a sample plate is arranged on the sliding plate, a protective drying mechanism is arranged on the sliding plate, and through cooperation of a door closing mechanism and protective covers, the two protective covers are far away from each other and drive two connecting blocks to be far away from each other; the connecting blocks drive the moving blocks to extrude the second springs, the two moving blocks are far away from each other, under the action of the connecting supporting rods, the two moving doors are close to each other and make contact with each other, at the moment, the two protective covers are moved away from the sample plate, the two moving doors can automatically seal the inlet, and convenience is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of pigment property detection, and in particular to a device for detecting infrared reflective pigment properties and a detection method thereof. Background Art

[0002] Infrared reflective pigments are pigments that can reflect light in the visible light region, absorb light in the ultraviolet region, reflect light in the infrared region, or any combination of the three. In this way, they have a certain color, even a darker color, and can reflect part of the infrared light, reduce the accumulation of heat, and play a cooling role. We call pigments that have a certain color in the visible light region and have the ability to reflect infrared light in the infrared region infrared reflective pigments. When testing infrared reflective pigments, it is usually necessary to apply them to a specific sample. Before testing infrared reflective pigments, it is usually necessary to ensure that the sample is dry. In the prior art, when drying the pigment applied to the sample, natural drying is generally used. This process takes a lot of time and is inefficient. In the drying process, it is easy for debris to fall onto the sample, affecting the accuracy of the test. Summary of the invention

[0003] The object of the present invention is to provide a device and method for detecting characteristics of infrared reflective pigments to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a device for detecting characteristics of infrared reflective pigments, comprising a detection box and a detection module arranged inside the detection box, a support base is fixedly installed at the lower end of the detection box, an entrance is opened on the detection box, a sliding plate is slidably connected to the detection box, a limiting component for limiting and fixing a sample plate is arranged on the sliding plate, a protective drying mechanism is arranged on the sliding plate, the protective drying mechanism includes two protective covers slidably connected to the sliding plates, a driving component for driving the protective covers to move, and a drying component arranged on the inner side of the moving plate, a fixed frame is fixedly installed on one side of the detection box close to the entrance, a door closing mechanism is arranged on the fixed frame, a telescopic rod is fixedly installed inside the detection box, and an output end of the telescopic rod is fixedly connected to the sliding plate.

[0005] Preferably, the limiting assembly includes a movable plate, a movable plate, a clamping plate, a return spring, a middle plug plate, a support block, a pull plate, a first spring, a limiting slide rod and a limiting hole. The support block is fixedly mounted on the sliding plate, and two middle plug plates are slidably connected inside the support block.

[0006] Preferably, a movable plate is fixedly installed on the middle plug plate, a clamping plate is fixedly installed on one end of the movable plate, a sliding rod is fixedly connected to the movable plate, a return spring is sleeved on the sliding rod, the other end of the sliding rod is slidably inserted in the support block, and one end of the return spring is fixedly connected to the movable plate.

[0007] Preferably, the interior of the movable plate is provided with a cavity, the other end of the return spring is fixedly connected to the support block, a limiting slide rod is slidably connected to the support block, one end of the limiting slide rod is fixedly connected to a pull plate, a first spring is connected between the pull plate and the support block, and a limiting hole is provided on the middle plug plate for the limiting slide rod to extend into.

[0008] Preferably, the drying component includes a fixed connecting pipe and a connecting port connected to the movable plate, a fixed cylinder is inserted in the fixed connecting pipe, the fixed cylinder is fixedly installed on the protective cover, a long rod is rotatably connected to the fixed cylinder, a second gear is fixedly connected to the long rod, a first gear is meshed with the second gear, a first motor is fixedly installed inside the protective cover, an output end of the first motor is fixedly connected to the first gear, a filter plate is fixedly connected inside the fixed cylinder, and a rotating column is rotatably connected inside the fixed cylinder through a supporting connecting plate.

[0009] Preferably, a drainage fan is fixedly connected to the rotating column, a first worm gear is fixedly installed at one end of the rotating column, a first worm gear meshing with the first worm gear is fixedly connected to the long rod, a driving shaft is connected to the long rod through a first belt drive, three driving shafts are rotatably connected to the top of the protective cover, sprockets are fixedly connected to the three driving shafts, chains are co-operatingly arranged on the three driving shafts, and a second fan is fixedly arranged on the driving shaft.

[0010] Preferably, the driving assembly includes a rotating main shaft, a driving gear, a second worm gear, a second motor, a second worm, a rack plate and a connecting rod, the sliding plate is rotatably connected to the rotating main shaft, and the driving gear and the second worm gear are fixedly connected to the rotating main shaft.

[0011] Preferably, a second motor is fixedly connected to the inside of the sliding plate, a second worm is fixedly connected to the output end of the second motor, the second worm is rotatably connected to the inside of the sliding plate, the second worm is meshed with the second worm wheel, two rack plates are meshed on the driving gear, one end of the rack plate is fixedly connected to a connecting rod, and one end of the connecting rod is fixedly connected to the protective cover.

[0012] Preferably, the door closing mechanism includes a fixed sliding rod, a moving block, a connecting block, a second spring, a connecting support rod and a moving door, two fixed sliding rods are fixedly arranged inside the detection box, the moving block is slidably connected to the fixed sliding rod, a second spring is sleeved on the fixed sliding rod, one end of the second spring is fixedly connected to the detection box, and the other end of the second spring is fixedly connected to the moving block, the upper and lower connecting sections of the moving block are hinged with a connecting support rod, the connecting support rod is hinged to one end of the moving block and the moving door, and the moving door is slidably connected to the fixed frame.

[0013] A detection method for an infrared reflective pigment characteristic detection device comprises the following steps: Step 1: Apply the paint evenly on the sample plate, and then place the sample plate on the support block, control the two protective covers to approach each other and cover the sample plate, the protective cover drives the fixed cylinder to move, the fixed cylinder drives the fixed connecting tube and the moving plate to move, and the moving plate drives the clamping plate to contact the edge of the sample plate. At this time, the sliding rod and the middle plug plate slide into the support block, the reset spring is squeezed, and the limit sliding rod extends into the limit hole, realizing the limit fixation of the middle plug plate, and then realizing the limit fixation of the sample plate; Step 2: Start the first motor, the first motor drives the first gear to rotate, the first gear drives the second gear to rotate, the second gear drives the first worm to rotate through the long rod, the first worm drives the first worm wheel to rotate, the first worm wheel drives the drainage fan to rotate through the rotating column, thereby accelerating the circulation of air, the long rod drives the driving shaft to rotate through the first belt, the driving shaft drives the second fan to rotate, thereby further accelerating the air flow and accelerating the drying speed of the pigment on the sample plate; Step three: The sliding plate is driven to move into the detection box by the telescopic rod, and the two protective covers are moved away from each other by controlling the second motor to reverse. When the two protective covers move, they contact the connecting block and drive the two connecting blocks away from each other. The connecting block drives the moving block to squeeze the second spring, and the two moving blocks move away from each other. Under the action of the connecting support rod, the two moving doors are brought close to and contact each other. At this time, the two protective covers are moved away from the sample plate, and the two moving doors close the entrance. The pigment characteristics on the sample plate can be detected by the detection module in the detection box.

[0014] Compared with the prior art, the present invention has the following beneficial effects: Through the cooperation of the limiting component and the driving component, the driving gear drives the rack plates on both sides to approach each other, and then drives the two protective covers to approach each other and cover the sample plate to prevent debris from falling onto the sample plate during the drying process. In this process, the protective cover drives the fixed cylinder to extend into the fixed connecting pipe, so that the connecting port, the movable plate, the fixed connecting pipe and the fixed cylinder are connected. The protective cover drives the fixed cylinder to move, and the fixed cylinder drives the fixed connecting pipe and the movable plate to move. The movable plate drives the clamping plate to contact the edge of the sample plate, and the limiting slide rod extends into the limiting hole, thereby realizing the limiting fixation of the middle plug plate, and then realizing the limiting fixation of the sample plate.

[0015] By providing a drying component and starting the first motor, multiple second fans are rotated above the sample plate, and the drainage fan is rotated inside the fixed cylinder, thereby accelerating the air flow around the sample plate from multiple directions, thereby accelerating the drying speed of the pigment on the sample plate and improving the drying efficiency.

[0016] Through the cooperation of the door closing mechanism and the protective cover, the two protective covers move away from each other, and drive the two connecting blocks to move away from each other. The connecting block drives the moving block to squeeze the second spring, and the two moving blocks move away from each other. Under the action of the connecting support rod, the two moving doors are close to and contact each other. At this time, the two protective covers are removed from the sample plate, and the two moving doors can automatically close the entrance, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0017] Figure 2 It is a schematic structural diagram of the sample plate placement state of the present invention.

[0018] Figure 3 It is a schematic diagram of the structure of the protective drying mechanism of the present invention.

[0019] Figure 4 It is a schematic diagram of the internal structure of the protective cover of the present invention.

[0020] Figure 5 It is a schematic diagram of the local structure of the drying component of the present invention.

[0021] Figure 6 This is a schematic structural diagram of the drying component of the present invention from another perspective.

[0022] Figure 7 For the present invention Figure 6 Schematic diagram of the structure at point A in the middle.

[0023] Figure 8 It is a schematic diagram of the structure of the limiting component of the present invention.

[0024] Fig. 9 It is a schematic diagram of the local structure of the present invention.

[0025] Fig.10 It is a schematic diagram of the closing structure of the sliding door of the present invention.

[0026] Fig.11 It is a schematic diagram of the structure of the door closing mechanism of the present invention.

[0027] Fig.12 It is a schematic diagram of the overall structure of the door closing mechanism of the present invention.

[0028] Fig.13 It is a schematic diagram of the movable plate structure of the present invention.

[0029] Fig.14 It is a schematic diagram of the structure of the driving component of the present invention.

[0030] In the figure: 1, support base; 2, test box; 3, entrance; 4, sliding plate; 5, limit assembly; 6, protective drying mechanism; 7, door closing mechanism; 8, fixed frame; 10, sample plate; 12, telescopic rod; 51, moving plate; 52, clamping plate; 53, sliding rod; 54, reset spring; 55, middle plug plate; 56, support block; 57, pull plate; 58, first spring; 59, limit slide rod; 510, limit hole; 61, protective cover; 62, drying assembly; 63, driving assembly; 621, first motor; 622, first gear; 623, second gear; 624, long rod; 625, first worm; 6 26. first worm gear; 627. rotating column; 628. drainage fan; 629. filter plate; 6210. fixed cylinder; 6211. fixed connecting pipe; 6212. first belt; 6213. driving shaft; 6214. sprocket; 6215. second fan; 6216. chain; 6217. connecting port; 631. rotating main shaft; 632. driving gear; 633. second worm gear; 634. second motor; 635. second worm; 636. rack plate; 637. connecting rod; 71. fixed sliding rod; 72. moving block; 73. connecting block; 74. second spring; 75. connecting support rod; 76. moving door. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0032] See also Figures 1 to 14The present invention provides a technical solution: a device for detecting characteristics of infrared reflective pigments, comprising a detection box 2 and a detection module arranged inside the detection box 2. The detection module is a mature existing technology and will not be described in detail here. A support base 1 is fixedly installed at the lower end of the detection box 2, an entrance 3 is opened on the detection box 2, a sliding plate 4 is slidably connected to the detection box 2, a limiting component 5 for limiting and fixing a sample plate 10 is arranged on the sliding plate 4, a protective drying mechanism 6 is arranged on the sliding plate 4, and the protective drying mechanism 6 includes two protective covers 61 slidably connected to the sliding plate 4, a driving component 63 for driving the protective cover 61 to move, and The drying assembly 62 is arranged on the inner side of the movable plate 51, and a fixed frame 8 is fixedly installed on one side of the detection box 2 near the entrance 3, and a closing mechanism 7 is arranged on the fixed frame 8. A telescopic rod 12 is fixedly installed inside the detection box 2, and the output end of the telescopic rod 12 is fixedly connected to the sliding plate 4. Through the cooperation of the limit assembly 5 and the driving assembly 63, the driving gear 632 drives the rack plates 636 on both sides to approach each other, and then drives the two protective covers 61 to approach each other and cover the sample plate 10 to prevent debris from falling on the sample plate 10 during the drying process. In this process, the protective cover 61 drives the fixed cylinder 6210 to extend into the fixed connecting pipe 6211, so that the connecting port 6217, the movable plate 51, the fixed connecting pipe 6211 and the fixed cylinder 6210 are connected, the protective cover 61 drives the fixed cylinder 6210 to move, the fixed cylinder 6210 drives the fixed connecting pipe 6211 and the movable plate 51 to move, the movable plate 51 drives the clamping plate 52 to contact the edge of the sample plate 10, the limiting slide bar 59 extends into the limiting hole 510, realizes the limiting fixation of the middle plug plate 55, and then realizes the limiting fixation of the sample plate 10, by providing the drying component 62, starting the first motor 621, realizing the rotation of the plurality of second fans 6215 above the sample plate 10, and the drainage fan 628 in the fixed cylinder 6210 The internal rotation accelerates the air flow around the sample plate 10 from multiple directions, thereby accelerating the drying speed of the paint on the sample plate 10 and improving the drying efficiency. Through the cooperation of the door closing mechanism 7 and the protective cover 61, the two protective covers 61 move away from each other and drive the two connecting blocks 73 to move away from each other. The connecting block 73 drives the moving block 72 to squeeze the second spring 74, and the two moving blocks 72 move away from each other. Under the action of the connecting support rod 75, the two moving doors 76 approach and contact each other. At this time, the two protective covers 61 are removed from the sample plate 10, and the two moving doors 76 can automatically close the entrance 3, thereby improving convenience.

[0033] The limiting assembly 5 includes a moving plate 51, a moving plate 51, a clamping plate 52, a return spring 54, a middle plug plate 55, a support block 56, a pull plate 57, a first spring 58, a limiting slide rod 59 and a limiting hole 510. The support block 56 is fixedly mounted on the sliding plate 4. Two middle plug plates 55 are slidably connected in the support block 56. The moving plate 51 is fixedly mounted on the middle plug plate 55. The clamping plate 52 is fixedly mounted on one end of the moving plate 51. The sliding rod 53 is fixedly connected to the moving plate 51. The sliding rod 53 The upper sleeve is provided with a return spring 54, and the other end of the sliding rod 53 is slidably inserted in the support block 56. One end of the return spring 54 is fixedly connected to the movable plate 51, and the interior of the movable plate 51 is arranged as a cavity. The other end of the return spring 54 is fixedly connected to the support block 56. A limiting sliding rod 59 is slidably connected to the support block 56, and one end of the limiting sliding rod 59 is fixedly connected to a pull plate 57. A first spring 58 is connected between the pull plate 57 and the support block 56. A limiting hole 510 is provided on the middle plug plate 55 for the limiting sliding rod 59 to extend into.

[0034] The drying assembly 62 includes a fixed connecting pipe 6211 and a connecting port 6217 which are connected to the movable plate 51. A fixed cylinder 6210 is inserted into the fixed connecting pipe 6211. The fixed cylinder 6210 is fixedly installed on the protective cover 61. A long rod 624 is rotatably connected to the fixed cylinder 6210. A second gear 623 is fixedly connected to the long rod 624. A first gear 622 is meshed with the second gear 623. A first motor 621 is fixedly installed inside the protective cover 61. The output end of the first motor 621 is fixedly connected to the first gear 622. A filter plate 629 is fixedly connected to the fixed cylinder 6210. The fixed cylinder 6210 is connected to the inner wall of the fixed cylinder 6210. A rotating column 627 is rotatably connected through a supporting link, a drainage fan 628 is fixedly connected to the rotating column 627, a first worm gear 626 is fixedly installed on one end of the rotating column 627, a first worm gear 625 meshing with the first worm gear 626 is fixedly connected to the long rod 624, a driving shaft 6213 is connected to the long rod 624 through a first belt 6212, three driving shafts 6213 are rotatably connected to the top of the protective cover 61, sprockets 6214 are fixedly connected to the three driving shafts 6213, chains 6216 are cooperatively arranged on the three driving shafts 6213, and a second fan 6215 is fixedly arranged on the driving shaft 6213.

[0035] The driving assembly 63 includes a rotating main shaft 631, a driving gear 632, a second worm gear 633, a second motor 634, a second worm 635, a rack plate 636 and a connecting rod 637. The rotating main shaft 631 is rotatably connected inside the sliding plate 4, the driving gear 632 and the second worm gear 633 are fixedly connected to the rotating main shaft 631, the second motor 634 is fixedly connected inside the sliding plate 4, the second worm 635 is fixedly connected to the output end of the second motor 634, the second worm 635 is rotatably connected to the inside of the sliding plate 4, the second worm 635 is meshed with the second worm gear 633, two rack plates 636 are meshed on the driving gear 632, one end of the rack plate 636 is fixedly connected to the connecting rod 637, and one end of the connecting rod 637 is fixedly connected to the protective cover 61.

[0036] The door closing mechanism 7 includes a fixed slide bar 71, a moving block 72, a connecting block 73, a second spring 74, a connecting support rod 75 and a moving door 76. Two fixed slide bars 71 are fixedly arranged inside the detection box 2. The moving block 72 is slidably connected to the fixed slide bar 71. The second spring 74 is sleeved on the fixed slide bar 71. One end of the second spring 74 is fixedly connected to the detection box 2, and the other end of the second spring 74 is fixedly connected to the moving block 72. The upper and lower sections of the moving block 72 are hinged with a connecting support rod 75. The connecting support rod 75 is hinged to one end of the moving block 72 and the moving door 76. The moving door 76 is slidably connected to the fixed frame 8. When the protective cover 61 is not in contact with the connecting block 73, under the action of the second spring 74, the two moving doors 76 are in a state of moving away from each other.

[0037] A detection method for an infrared reflective pigment characteristic detection device comprises the following steps: Step 1: Apply the paint evenly on the sample plate 10, and then place the sample plate 10 on the support block 56, control the two protective covers 61 to approach each other and cover the sample plate 10, the protective cover 61 drives the fixed cylinder 6210 to move, the fixed cylinder 6210 drives the fixed connecting tube 6211 and the movable plate 51 to move, and the movable plate 51 drives the clamping plate 52 to contact the edge of the sample plate 10, at this time, the sliding rod 53 and the middle plug plate 55 slide into the support block 56, the reset spring 54 is squeezed, and the limit sliding rod 59 extends into the limit hole 510, so as to realize the limit fixation of the middle plug plate 55, and then realize the limit fixation of the sample plate 10; Step 2: Start the first motor 621, the first motor 621 drives the first gear 622 to rotate, the first gear 622 drives the second gear 623 to rotate, the second gear 623 drives the first worm 625 to rotate through the long rod 624, the first worm 625 drives the first worm wheel 626 to rotate, the first worm wheel 626 drives the drainage fan 628 to rotate through the rotating column 627, which speeds up the circulation of air, the long rod 624 drives the driving shaft 6213 to rotate through the first belt 6212, the driving shaft 6213 drives the second fan 6215 to rotate, which further speeds up the air flow and speeds up the drying speed of the pigment on the sample plate 10; Step three: The sliding plate 4 is driven to move into the detection box 2 by the telescopic rod 12, and the two protective covers 61 are moved away from each other by controlling the second motor 634 to reverse. When the two protective covers 61 move, they contact the connecting block 73 and drive the two connecting blocks 73 away from each other. The connecting block 73 drives the moving block 72 to squeeze the second spring 74, and the two moving blocks 72 move away from each other. Under the action of the connecting support rod 75, the two moving doors 76 are brought close to and contact each other. At this time, the two protective covers 61 are removed from the sample plate 10, and the two moving doors 76 close the entrance 3. The pigment characteristics on the sample plate 10 can be detected by the detection module in the detection box 2.

[0038] In actual use, the paint is evenly applied on the sample plate 10, and then the sample plate 10 is placed on the support block 56. By starting the second motor 634, the second motor 634 drives the second worm 635 to rotate, and the second worm 635 drives the second worm wheel 633 to rotate. The second worm wheel 633 drives the driving gear 632 to rotate by rotating the main shaft 631. The driving gear 632 drives the rack plates 636 on both sides to approach each other, and then drives the two protective covers 61 to approach each other and cover the sample plate 10 to prevent debris from falling on the sample plate 10 during the drying process. In this process, the protective cover 61 drives the fixed cylinder 6210 to extend into the fixed connecting pipe 6211, so that the connecting port 621 7. The movable plate 51, the fixed connecting tube 6211 and the fixed cylinder 6210 are connected, the protective cover 61 drives the fixed cylinder 6210 to move, the fixed cylinder 6210 drives the fixed connecting tube 6211 and the movable plate 51 to move, and the movable plate 51 drives the clamping plate 52 to contact the edge of the sample plate 10. At this time, the sliding rod 53 and the middle plug plate 55 slide into the support block 56, the reset spring 54 is squeezed, and the limiting sliding rod 59 extends into the limiting hole 510, so as to realize the limiting fixation of the middle plug plate 55, and then realize the limiting fixation of the sample plate 10. By starting the first motor 621, the first motor 621 drives the first gear 622 to rotate, and the first gear 622 drives the first gear 622 to rotate. The second gear 623 rotates, and the second gear 623 drives the first worm 625 to rotate through the long rod 624, and the first worm 625 drives the first worm wheel 626 to rotate, and the first worm wheel 626 drives the drainage fan 628 to rotate through the rotating column 627, thereby accelerating the circulation of air. The long rod 624 drives the driving shaft 6213 to rotate through the first belt 6212, and the driving shaft 6213 drives the second fan 6215 to rotate, thereby further accelerating the flow of air and accelerating the drying speed of the pigment on the sample plate 10. When the pigment is dried, the sliding plate 4 is driven by the telescopic rod 12 to move into the detection box 2, and the two protective covers 61 are moved away from each other by controlling the second motor 634 to reverse. When moving, each protective cover 61 contacts with the connecting block 73 and drives the two connecting blocks 73 away from each other. The connecting block 73 drives the moving block 72 to squeeze the second spring 74, and the two moving blocks 72 move away from each other. Under the action of the connecting support rod 75, the two moving doors 76 approach and contact each other. At this time, the two protective covers 61 are moved away from the sample plate 10, and the two moving doors 76 close the entrance 3. The pigment characteristics on the sample plate 10 can be detected by the detection module in the detection box 2. After the detection is completed, by controlling the two protective covers 61 to approach each other, under the elastic action of the second spring 74, the two moving doors 76 move away from each other, and the entrance 3 is in an open state.

[0039] 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 device for detecting characteristics of infrared reflective pigments, comprising a detection box (2) and a detection module arranged inside the detection box (2), wherein a support base (1) is fixedly mounted at the lower end of the detection box (2), characterized in that: The detection box (2) is provided with an entrance opening (3), a sliding plate (4) is slidably connected to the detection box (2), a limiting assembly (5) for limiting and fixing a sample plate (10) is arranged on the sliding plate (4), a protective drying mechanism (6) is arranged on the sliding plate (4), the protective drying mechanism (6) comprises two protective covers (61) slidably connected to the sliding plate (4), a driving assembly (63) for driving the protective covers (61) to move, and a drying assembly (62) arranged on the inner side of the moving plate (51), a fixed frame (8) is fixedly installed on one side of the detection box (2) close to the entrance opening (3), and a door closing mechanism (7) is arranged on the fixed frame (8), and a telescopic rod (12) is fixedly installed inside the detection box (2), and an output end of the telescopic rod (12) is fixedly connected to the sliding plate (4).

2. The device for detecting characteristics of infrared reflective pigments according to claim 1, characterized in that: The limiting assembly (5) comprises a moving plate (51), a moving plate (51), a clamping plate (52), a return spring (54), a middle plug plate (55), a support block (56), a pull plate (57), a first spring (58), a limiting slide rod (59) and a limiting hole (510); the support block (56) is fixedly mounted on the sliding plate (4); and two middle plug plates (55) are slidably connected inside the support block (56).

3. The device for detecting characteristics of infrared reflective pigments according to claim 2, characterized in that: A moving plate (51) is fixedly mounted on the middle plug plate (55), a clamping plate (52) is fixedly mounted on one end of the moving plate (51), a sliding rod (53) is fixedly connected to the moving plate (51), a return spring (54) is sleeved on the sliding rod (53), the other end of the sliding rod (53) is slidably inserted in a supporting block (56), and one end of the return spring (54) is fixedly connected to the moving plate (51).

4. The device for detecting characteristics of infrared reflective pigments according to claim 3, characterized in that: The interior of the movable plate (51) is provided with a cavity. The other end of the return spring (54) is fixedly connected to the support block (56). A limit slide bar (59) is slidably connected to the support block (56). One end of the limit slide bar (59) is fixedly connected to a pull plate (57). A first spring (58) is connected between the pull plate (57) and the support block (56). A limit hole (510) is provided on the middle plug plate (55) for the limit slide bar (59) to extend into.

5. The device for detecting characteristics of infrared reflective pigments according to claim 4, characterized in that: The drying component (62) comprises a fixed connecting pipe (6211) and a connecting port (6217) which are connected to and arranged on the movable plate (51); a fixed cylinder (6210) is inserted into the fixed connecting pipe (6211); the fixed cylinder (6210) is fixedly mounted on the protective cover (61); a long rod (624) is rotatably connected to the fixed cylinder (6210); a second gear (623) is fixedly connected to the long rod (624); a first gear (622) is meshed with the second gear (623); a first motor (621) is fixedly mounted inside the protective cover (61); an output end of the first motor (621) is fixedly connected to the first gear (622); a filter plate (629) is fixedly connected inside the fixed cylinder (6210); and a rotating column (627) is rotatably connected to the fixed cylinder (6210) via a supporting connecting plate.

6. The device for detecting characteristics of infrared reflective pigments according to claim 5, characterized in that: The rotating column (627) is fixedly connected to a drainage fan (628); a first worm gear (626) is fixedly mounted on one end of the rotating column (627); a first worm gear (625) meshing with the first worm gear (626) is fixedly connected to the long rod (624); a driving shaft (6213) is connected to the long rod (624) via a first belt (6212); three driving shafts (6213) are rotatably connected to the top of the protective cover (61); sprockets (6214) are fixedly connected to the three driving shafts (6213); chains (6216) are cooperatively arranged on the three driving shafts (6213); and a second fan (6215) is fixedly arranged on the driving shaft (6213).

7. The device for detecting characteristics of infrared reflective pigments according to claim 1, characterized in that: The driving assembly (63) comprises a rotating main shaft (631), a driving gear (632), a second worm gear (633), a second motor (634), a second worm (635), a rack plate (636) and a connecting rod (637); the sliding plate (4) is internally rotatably connected to the rotating main shaft (631); the driving gear (632) and the second worm gear (633) are fixedly connected to the rotating main shaft (631).

8. The device for detecting characteristics of infrared reflective pigments according to claim 7, characterized in that: A second motor (634) is fixedly connected inside the sliding plate (4); a second worm (635) is fixedly connected to the output end of the second motor (634); the second worm (635) is rotatably connected inside the sliding plate (4); the second worm (635) is meshed with a second worm wheel (633); two rack plates (636) are meshed on the driving gear (632); one end of the rack plate (636) is fixedly connected to a connecting rod (637); one end of the connecting rod (637) is fixedly connected to the protective cover (61).

9. The device for detecting characteristics of infrared reflective pigments according to claim 8, characterized in that: The door closing mechanism (7) comprises a fixed slide bar (71), a moving block (72), a connecting block (73), a second spring (74), a connecting support rod (75) and a moving door (76). Two fixed slide bars (71) are fixedly arranged inside the detection box (2). The moving block (72) is slidably connected to the fixed slide bar (71). The second spring (74) is sleeved on the fixed slide bar (71). One end of the second spring (74) is fixedly connected to the detection box (2). The other end of the second spring (74) is fixedly connected to the moving block (72). The upper and lower connecting sections of the moving block (72) are both hingedly connected to the connecting support rod (75). One end of the connecting support rod (75) is hingedly connected to the moving door (76) on the principle of the moving block (72). The moving door (76) is slidably connected to the fixed frame (8).

10. The detection method for infrared reflective pigment characteristic detection device according to any one of claims 1 to 9, characterized in that: The following steps are involved: Step 1: Apply the paint evenly on the sample plate (10), then place the sample plate (10) on the support block (56), control the two protective covers (61) to approach each other and cover the sample plate (10), the protective cover (61) drives the fixed cylinder (6210) to move, the fixed cylinder (6210) drives the fixed connecting tube (6211) and the movable plate (51) to move, the movable plate (51) drives the clamping plate (52) to contact the edge of the sample plate (10), at this time, the sliding rod (53) and the middle plug plate (55) slide into the inside of the support block (56), the return spring (54) is squeezed, and the limit sliding rod (59) extends into the limit hole (510), so that the middle plug plate (55) is limited and fixed, and then the sample plate (10) is limited and fixed; Step 2: starting the first motor (621), the first motor (621) drives the first gear (622) to rotate, the first gear (622) drives the second gear (623) to rotate, the second gear (623) drives the first worm (625) to rotate via the long rod (624), the first worm (625) drives the first worm gear (626) to rotate, the first worm gear (626) drives the drainage fan (628) to rotate via the rotating column (627), thereby accelerating the circulation of air, the long rod (624) drives the driving shaft (6213) to rotate via the first belt (6212), the driving shaft (6213) drives the second fan (6215) to rotate, thereby further accelerating the flow of air and accelerating the drying speed of the pigment on the sample plate (10); Step 3: The sliding plate (4) is driven to move into the detection box (2) by the telescopic rod (12), and the two protective covers (61) are moved away from each other by controlling the second motor (634) to reverse. When the two protective covers (61) move, they contact the connecting block (73) and drive the two connecting blocks (73) to move away from each other. The connecting block (73) drives the moving block (72) to squeeze the second spring (74), and the two moving blocks (72) move away from each other. Under the action of the connecting support rod (75), the two moving doors (76) are moved close to and contact each other. At this time, the two protective covers (61) are moved away from the sample plate (10), and the two moving doors (76) close the entrance (3). The pigment characteristics on the sample plate (10) can be detected by the detection module in the detection box (2).

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