Intelligent constant-temperature and constant-humidity test box for environmental adaptation detection of industrial products

Abstract

The invention discloses an intelligent constant-temperature and constant-humidity test box for environmental adaptation detection of industrial products, which belongs to the technical field of environmental adaptation detection equipment of industrial products and comprises a test box body and a test bin arranged at the front end of the test box body. A placement plate is horizontally and slidably arranged at the bottom of a test bin, air cylinders are symmetrically mounted on the two sides of the placement plate, and an air supply mechanism composed of an outer shell, a first barrel, a first air pipe, a first piston, a piston rod, a vertical plate, a spring, a sliding rod, a first rack, a first gear, a worm gear, a worm, a support, a second gear, a second rack and an incomplete gear is matched; according to the storage box, the storage plate can be automatically controlled to stretch out in the opening process of the box door, the storage plate can be automatically controlled to contract in the closing process of the box door, so that a product is more convenient to place and take out, in addition, in the using process, the storage plate can be controlled to stretch out and draw back only through opening and closing of the box door, and use is more convenient. And it is ensured that the position of the storage plate is stable when the product is placed.

Description

Technical Field

[0001] The present invention relates to a constant temperature and humidity test chamber, in particular to an intelligent constant temperature and humidity test chamber for testing the environmental adaptability of industrial products, belonging to the technical field of equipment for testing the environmental adaptability of industrial products. Background Art

[0002] Currently, during the use of a constant temperature and humidity test chamber, in order to facilitate the placement and removal of products, a retractable storage board is adopted, and products can be placed and removed outside the box body. However, during the use process, an independent control system is required for control, and the storage board cannot be automatically extended during the opening process of the box door, which is rather inconvenient to operate. Moreover, during the closing process of the box door, the outer side of the sealing strip cannot be self-cleaned, affecting the sealing effect during use. In addition, if frosting occurs inside the box body, manual cleaning takes a long time and is rather inconvenient to use.

[0003] Therefore, an intelligent constant temperature and humidity test chamber for testing the environmental adaptability of industrial products is designed to optimize the above problems. Summary of the Invention

[0004] The main purpose of the present invention is to provide an intelligent constant temperature and humidity test chamber for testing the environmental adaptability of industrial products. A storage board is horizontally slidably arranged at the bottom of the test chamber, and air cylinders are symmetrically installed on both sides of the storage board. Together with the air supply mechanism composed of an outer shell, a first cylinder, a first air pipe, a first piston, a piston rod, a vertical plate, a spring, a sliding rod, a first rack, a first gear, a worm gear, a worm, a bracket, a second gear, a second rack, and an incomplete gear, it can automatically control the extension of the storage board during the opening process of the box door and automatically control the contraction of the storage board during the closing process of the box door, making it more convenient to place and remove products. In addition, during the use process, the storage board can only be telescopically controlled by opening and closing the box door, ensuring the stable position of the storage board when placing products. By arranging a second cylinder, a second piston, and a second air pipe inside the outer shell and cooperating with the cleaning mechanism composed of a rectangular pipe, a first air hole, and a second air hole, it can automatically intake air into the inside of the second cylinder during the opening process of the box door, and automatically discharge the gas from the second air hole during the closing process of the box door to blow and clean the two groups of sealing rings, ensuring the sealing performance of the box door during use. By arranging a U-shaped scraper, a first brush roller, a third gear, a second brush roller, a fourth gear, a collection plate on the top of the storage board and cooperating with the third rack and the fourth rack on the inner wall of the test chamber to form a defrosting mechanism, it can automatically clean the side wall and the top wall of the inner wall of the test chamber during the process of pushing out the storage board, reducing the difficulty of manual cleaning and improving the cleaning rate.

[0005] The object of the present invention can be achieved by adopting the following technical solutions:

[0006] An intelligent constant temperature and humidity test chamber for environmental adaptability detection of industrial products, comprising a test chamber body, a test chamber opened at the front end of the test chamber body, a sealing ring installed outside the test chamber, and a door covering the outside of the test chamber and the sealing ring;

[0007] A door shaft is vertically and rotatably installed on the side of the test chamber body. A connecting plate is fixed between the two ends of the door shaft and the side of the door. A placement plate is slidably arranged at the bottom of the test chamber. Cylinders are installed on both sides of the bottom of the test chamber along the length direction. The output end of the cylinder is connected to the side of the placement plate. A gas supply mechanism for supplying air and exhausting air to the inside of the cylinder is arranged on the side of the test chamber body along with the opening and closing of the door;

[0008] A cleaning mechanism for removing dust from the surface of the sealing ring is arranged outside the open end of the test chamber;

[0009] A defrosting mechanism for defrosting both sides and the top of the test chamber is arranged on the top of the placement plate.

[0010] Preferably: The gas supply mechanism includes an outer shell, a first cylinder body, a first air pipe, a first piston, a piston rod and a telescopic component. The outer shell is installed on the side of the test chamber body. A first cylinder body is fixed to the top inside the outer shell. A first air pipe is arranged between the end of the first cylinder body and the cylinder. A first piston is slidably arranged along the length direction inside the first cylinder body. A piston rod is vertically fixed to the outer side of the first piston. A telescopic component is arranged at the end of the piston rod.

[0011] Preferably: The telescopic component includes a vertical plate, a first rack, a second rack, an incomplete gear and a transmission component. The vertical plate is fixed to the end of the piston rod. A first rack is horizontally fixed to the bottom end of the vertical plate. A second rack is horizontally slidably arranged on the outer shell. A transmission component is arranged between the second rack and the first rack. An incomplete gear meshing with the second rack is installed at the middle position of the door shaft.

[0012] Preferably: The transmission component includes a first gear, a worm gear, a worm, a bracket and a second gear. The first gear is rotatably installed inside the outer shell and meshes with the bottom of the first rack. A worm gear is installed on the side of the first gear. A bracket is fixed inside the outer shell. A second gear is rotatably installed on the bracket and meshes with the second rack. A worm meshing with the worm gear is installed at the end of the second gear.

[0013] Preferably: A spring is horizontally installed between the vertical plate and the side of the outer shell. A slide rod is fixed between the two sides of the outer shell. The slide rod passes through the inside of the spring and is slidably connected to the vertical plate.

[0014] Preferably, the cleaning mechanism includes a second cylinder body, a second piston, a second air pipe, a rectangular pipe, a first air hole and a second air hole. The second cylinder body is horizontally fixed inside the outer casing. A second piston is slidably installed inside the second cylinder body. The end of the second rack is fixedly connected to the side of the second piston. The rectangular pipe is located on the side of the open end of the test chamber. A second air pipe is provided between the end of the rectangular pipe and the end of the second cylinder body. A one-way intake valve is provided at the end of the second cylinder body. A reverse exhaust valve is provided at the end of the second air pipe. Second air holes are evenly formed in the circumferential direction on the rectangular pipe. First air holes are evenly formed on the outside of the test chamber and between the sealing rings. The exhaust direction of the first air holes is inclined towards the sealing rings. The first air holes are communicated with the inside of the rectangular pipe through the second air holes.

[0015] Preferably, two sets of sealing rings are provided, and the two sets of sealing rings are sleeved with each other. The first air holes are distributed in an annular array between the sealing rings, and two sets of first air holes are formed.

[0016] Preferably, the defrosting mechanism includes a U-shaped scraper, a first brush roller, a second brush roller and a rotating assembly. The U-shaped scraper is fixed on the top of the placing plate, and the outside of the U-shaped scraper is attached to the two side edges and the top of the test chamber. First brush rollers are rotatably installed on both sides of the U-shaped scraper. A second brush roller is rotatably installed on the top of the outside of the U-shaped scraper. A rotating assembly for controlling the rotation of the first brush roller and the second brush roller is provided between the inner wall of the U-shaped scraper and the test chamber.

[0017] Preferably, the rotating assembly includes a third gear, a fourth gear, a third rack and a fourth rack. The third gear is installed at the top end of the first brush roller. The fourth gear is installed at both ends of the second brush roller. Third racks meshing with the third gear are provided along the length direction at the top of both sides of the test chamber. Fourth racks meshing with the fourth gear are provided along the length direction at both sides of the top of the test chamber.

[0018] Preferably, collecting plates are provided along the length direction at the bottom of both sides of the test chamber. Grooves are formed at the top of the collecting plates. The bottom of the collecting plates is attached to the top of the placing plate. The bottom end of the U-shaped scraper is attached to the top of the collecting plates.

[0019] The beneficial effects of the present invention are as follows:

[0020] An intelligent constant temperature and humidity test chamber for industrial product environmental adaptability detection provided by the present invention has a placement plate horizontally slidably arranged at the bottom of the test chamber, and cylinders symmetrically installed on both sides of the placement plate. Together with the air supply mechanism composed of a housing, a first cylinder, a first air pipe, a first piston, a piston rod, a vertical plate, a spring, a slide rod, a first rack, a first gear, a worm gear, a worm, a bracket, a second gear, a second rack, and an incomplete gear, it can automatically control the extension of the placement plate during the opening process of the chamber door and automatically control the contraction of the placement plate during the closing process of the chamber door, making it more convenient to place and take out products. In addition, during use, the telescopic control of the placement plate can only be carried out through the opening and closing of the chamber door, ensuring the stable position of the placement plate when placing products;

[0021] By arranging a second cylinder, a second piston, and a second air pipe inside the housing, and cooperating with the cleaning mechanism composed of a rectangular pipe, a first air hole, and a second air hole, it can automatically intake air into the interior of the second cylinder during the opening process of the chamber door, and automatically discharge the gas from the second air hole during the closing process of the chamber door to blow and clean the two groups of sealing rings, ensuring the sealing performance of the chamber door during use;

[0022] By arranging a U-shaped scraper, a first brush roller, a third gear, a second brush roller, a fourth gear, a collection plate on the top of the placement plate, and cooperating with the third rack and the fourth rack on the inner wall of the test chamber, the defrosting mechanism can automatically clean the side wall and the top wall of the inner wall of the test chamber during the process of pushing out the placement plate, reducing the difficulty of manual cleaning and improving the cleaning rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a diagram showing the open state of the test chamber in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environmental adaptability detection according to the present invention;

[0024] Figure 2 It is a structural diagram of the test chamber body in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environmental adaptability detection according to the present invention;

[0025] Figure 3 It is a diagram showing the connection state of the cylinders in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environmental adaptability detection according to the present invention;

[0026] Figure 4 It is a diagram of the air supply mechanism in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environmental adaptability detection according to the present invention;

[0027] Figure 5 It is a top view of the initial state of the incomplete gear and the rack in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environmental adaptability detection according to the present invention;

[0028] Figure 6 This is a defrosting mechanism diagram of a preferred embodiment in an intelligent constant temperature and humidity test chamber for industrial product environment adaptability detection according to the present invention;

[0029] Figure 7 This is a Figure 1 magnified view at position A in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environment adaptability detection according to the present invention;

[0030] Figure 8 This is a Figure 1 magnified view at position B in a preferred embodiment of an intelligent constant temperature and humidity test chamber for industrial product environment adaptability detection according to the present invention.

[0031] In the figure: 1. Test chamber body; 101. Test chamber; 102. Chamber door; 103. Sealing ring; 2. Door hinge; 3. Connecting plate; 4. Placing plate; 5. Cylinder;

[0032] 6. Air supply mechanism; 601. Outer housing; 602. First cylinder; 603. First air pipe; 604. First piston; 605. Piston rod; 606. Vertical plate; 607. Spring; 608. Slide rod; 609. First rack; 610. First gear; 611. Worm gear; 612. Worm; 613. Bracket; 614. Second gear; 615. Second rack; 616. Incomplete gear;

[0033] 7. Defrosting mechanism; 701. U-shaped scraper; 702. First brush roller; 703. Third gear; 704. Second brush roller; 705. Fourth gear; 706. Third rack; 707. Fourth rack; 708. Collection plate;

[0034] 8. Cleaning mechanism; 801. Second cylinder; 802. Second piston; 803. Second air pipe; 804. Rectangular pipe; 805. First air hole; 806. Second air hole. Detailed implementation manners

[0035] To make the technical solutions of the present invention clearer and more definite for those skilled in the art, the present invention will be further described in detail below with reference to the embodiments and the accompanying drawings. However, the implementation manners of the present invention are not limited thereto.

[0036] As Figures 1 - 8 shown, this embodiment provides an intelligent constant temperature and humidity test chamber for industrial product environment adaptability detection, including a test chamber body 1, a test chamber 101 opened at the front end of the test chamber body 1, a sealing ring 103 installed outside the test chamber 101, and a chamber door 102 covering the outside of the test chamber 101 and the sealing ring 103;

[0037] On the side of the test chamber body 1, a door shaft 2 is vertically rotatably installed. A connecting plate 3 is fixed between the two ends of the door shaft 2 and the side of the chamber door 102. A storage plate 4 is slidably arranged at the bottom of the test chamber 101;

[0038] On both sides of the bottom of the test chamber 101 along the length direction, air cylinders 5 are installed. The air cylinders 5 adopt SC series standard air cylinders, with a cylinder diameter of 32 mm, a stroke of 400 mm, a working pressure of 0.5 MPa, and double-channel Y-shaped sealing rings are provided on the pistons to ensure no air leakage during the telescopic process;

[0039] The output end of the air cylinder 5 is connected to the side of the storage plate 4. On the side of the test chamber body 1, there is a gas supply mechanism 6 for supplying air to and exhausting air from the inside of the air cylinder 5 when the chamber door 102 is opened and closed;

[0040] Outside the open end of the test chamber 101, there is a cleaning mechanism 8 for removing dust from the surface of the sealing ring 103;

[0041] On the top of the storage plate 4, there is a defrosting mechanism 7 for defrosting both sides and the top of the test chamber 101.

[0042] General working principle: When the chamber door 102 is sealed, the storage plate 4 is located inside the test chamber 101, and the chamber door 102 is closely attached to the outside of the sealing ring 103 to ensure the sealing of the test chamber 101. When it is necessary to place the product, first open the chamber door 102. Since the chamber door 102 is connected to the door shaft 2 through the connecting plate 3, the chamber door 102 rotates around the door shaft 2. When the chamber door 102 rotates 90 degrees, it will not block the front end of the test chamber 101. Then continue to control the rotation of the chamber door 102. The gas supply mechanism 6 will supply air to the inside of the air cylinder 5, and control the extension of the air cylinder 5 to push out the storage plate 4. The maximum rotation angle of the chamber door 102 is 180 degrees. When the chamber door 102 rotates to the maximum angle, the storage plate 4 is completely pushed out. Then place the product on the top. After the product is placed, rotate the chamber door 102 in the reverse direction. During the rotation of the chamber door 102, first use the gas supply mechanism 6 to extract the gas inside the air cylinder 5, drive the air cylinder 5 to drive the storage plate 4 to reset. Then, closely attach the chamber door 102 to the outside of the sealing ring 103 to completely seal the test chamber 101 for testing. If a low-temperature test is carried out, after the chamber door 102 is opened, frost will appear on the inner wall of the test chamber 101. At this time, when the storage plate 4 is pushed out, use the defrosting mechanism 7 to automatically defrost both sides and the top of the test chamber 101, reducing the manual labor force and accelerating the defrosting operation.

[0043] In this embodiment, the air supply mechanism 6 includes a housing 601, a first cylinder 602, a first air pipe 603, a first piston 604, a piston rod 605 and a telescopic assembly. The housing 601 is installed on the side of the test chamber body 1. At the top inside the housing 601, a first cylinder 602 is fixed. Between the end of the first cylinder 602 and the cylinder 5, there is a first air pipe 603. Inside the first cylinder 602, a first piston 604 is slidably arranged along the length direction. Perpendicularly fixed to the outer side of the first piston 604 is a piston rod 605. At the end of the piston rod 605, there is a telescopic assembly.

[0044] Local working principle: During the process of opening the chamber door 102, the telescopic assembly is used to push the first piston 604 towards the inside of the first cylinder 602, injecting the gas inside the first cylinder 602 into the cylinder 5 through the first air pipe 603. When the chamber door 102 is closed, the telescopic assembly will pull the first piston 604 outwards through the piston rod 605, sucking the gas inside the cylinder 5 into the first cylinder 602 to reset the cylinder 5. Two O-ring seals (material: nitrile rubber, hardness: Shore A90) are arranged on the outer side of the first piston 604, with an interference fit with the inner wall of the first cylinder 602, and the fit clearance ≤ 0.05 mm to ensure the air path seal.

[0045] In this embodiment, the telescopic assembly includes a vertical plate 606, a first rack 609, a second rack 615, an incomplete gear 616 and a transmission member. The vertical plate 606 is fixed at the end of the piston rod 605. Horizontally fixed at the bottom end of the vertical plate 606 is a first rack 609. Horizontally slidably arranged on the housing 601 is a second rack 615. Between the second rack 615 and the first rack 609, there is a transmission member. At the middle position of the door shaft 2, an incomplete gear 616 meshing with the second rack 615 is installed.

[0046] Partial working principle: When the door 102 is closed, the incomplete gear 616 is not meshed with the second rack 615. When the door 102 rotates and drives the door shaft 2 to rotate, the door shaft 2 drives the incomplete gear 616 to rotate. When the door 102 drives the incomplete gear 616 on the door shaft 2 to rotate ninety degrees, the incomplete gear 616 is meshed with the second rack 615. When the door 102 continues to rotate, the incomplete gear 616 will pull the second rack 615 outward, and when the second rack 615 slides outward, it drives the first rack 609 to move horizontally through the connecting piece. , thereby applying inward pressure to the first piston 604, and when the door 102 continues to rotate and rotates in the opposite direction, the second rack 615 retracts, and the first rack 609 is driven to reset through the connecting piece, applying an outward pulling force to the first piston 604, and the incomplete gear 616 adopts an involute tooth shape, with 20 teeth and an effective meshing area of ​​a central angle of 60° (corresponding to the door 102 rotating 90° to 180° to trigger meshing). The tooth pitch of the second rack 615 matches the incomplete gear 616, and the length satisfies that the movement stroke of the second rack 615 of the rack is ≥50mm when the door 102 is fully opened.

[0047] In this embodiment, the transmission member includes a first gear 610, a worm wheel 611, a worm 612, a bracket 613 and a second gear 614. The first gear 610 is rotatably installed inside the outer shell 601, and the first gear 610 is meshed with the bottom of the first rack 609. A worm wheel 611 is installed on the side of the first gear 610. A bracket 613 is fixed inside the outer shell 601. The second gear 614 is rotatably installed on the bracket 613. The second gear 614 is meshed with the second rack 615. The end of the second gear 614 is installed with a worm 612 meshed with the worm wheel 611.

[0048] Local working principle: in the process of the second rack 615 translating and driving the second gear 614 to rotate, the second gear 614 will drive the worm 612 to rotate, and the worm 612 will drive the worm wheel 611 to rotate, and the rotation of the worm wheel 611 will drive the first gear 610 to rotate, thereby controlling the translation of the first rack 609. Since the worm wheel 611 and the worm 612 are used for rotation, the worm wheel 611 and the worm 612 have self-locking characteristics, and the lead angle of the worm 612 is less than 4.5°. Therefore, during use, the extension and retraction of the storage plate 4 can only be controlled by actively controlling the box door 102. When the box door 102 is not adjusted, the position of the storage plate 4 is stable.

[0049] In this embodiment, a spring 607 is horizontally installed between the vertical plate 606 and the side of the outer shell 601 , and a sliding rod 608 is fixed between the two sides of the outer shell 601 . The sliding rod 608 passes through the inside of the spring 607 and is slidably connected to the vertical plate 606 .

[0050] Local working principle: The spring 607 is a cylindrical helical compression spring with an elastic coefficient k = 50 N / m and a pre-compression of 10 mm. When the first piston 604 slides towards the inside of the first cylinder 602, the spring 607 will be compressed. When the first piston 604 is controlled to reset, the spring 607 applies a thrust force, making the reset more labor-saving.

[0051] In this embodiment, the cleaning mechanism 8 includes a second cylinder 801, a second piston 802, a second air pipe 803, a rectangular pipe 804, a first air hole 805, and a second air hole 806. The second cylinder 801 is horizontally fixed inside the outer housing 601. The second piston 802 is slidably installed inside the second cylinder 801. The end of the second rack 615 is fixedly connected to the side of the second piston 802. The rectangular pipe 804 is located on the side of the open end of the test chamber 101. A second air pipe 803 is provided between the end of the rectangular pipe 804 and the end of the second cylinder 801. A one-way intake valve (diaphragm type, opening pressure 0.05 MPa) is provided at the end of the second cylinder 801, and a reverse exhaust valve (ball valve type, opening pressure 0.1 MPa) is provided at the end of the second air pipe 803. Second air holes 806 are evenly arranged in the circumferential direction on the rectangular pipe 804. First air holes 805 are evenly arranged outside the test chamber 101 and between the sealing rings 103, and the exhaust direction of the first air holes 805 is inclined towards the sealing ring 103. The first air holes 805 are in communication with the inside of the rectangular pipe 804 through the second air holes 806.

[0052] Local working principle: When the second rack 615 moves outwards, at this time the second piston 802 slides towards the outer end of the second cylinder 801, sucking external gas into the inside of the second cylinder 801. When the box door 102 is closed and the second piston 802 slides towards the inside of the second cylinder 801, the gas inside the second cylinder 801 will be conveyed through the second air pipe 803 towards the inside of the rectangular pipe 804, and then discharged from the first air holes 805 through the second air holes 806 to clean the sealing ring 103 before the box door 102 is closed. The inclination angle of the first air holes 805 is 45° towards the contact surface of the sealing ring 103, the hole diameter is φ2 mm, the hole diameter of the second air holes 806 is φ1.5 mm, and one is opened every 10 mm along the circumferential direction of the rectangular pipe 804 to ensure that the purging air flow covers the entire circumference of the sealing ring 103.

[0053] In this embodiment, two sets of sealing rings 103 are provided, and the two sets of sealing rings 103 are sleeved with each other. The first air holes 805 are arranged in an annular array between the sealing rings 103, and two sets of first air holes 805 are provided.

[0054] Local working principle: Both sets of sealing rings 103 are made of silicone rubber, with a lip-shaped cross-section. The inner sealing ring 103 has a diameter 5 mm smaller than the outer one, and the sleeve spacing is 10 mm, forming a double-sealing cavity. The first air hole 805 is located in the area between the two sealing rings 103. The use of the double sealing rings 103 improves the sealing effect during use, and the two sets of second air holes 806 distributed in a rectangular array can improve the dust removal effect of the sealing rings 103.

[0055] In this embodiment, the defrosting mechanism 7 includes a U-shaped scraper 701, a first brush roller 702, a second brush roller 704 and a rotating assembly. The U-shaped scraper 701 is fixed to the top of the placing plate 4, and the outer side of the U-shaped scraper 701 is attached to the two side edges and the top of the test chamber 101. The first brush rollers 702 are rotatably installed on both sides of the U-shaped scraper 701, and the second brush roller 704 is rotatably installed on the top of the outer side of the U-shaped scraper 701. A rotating assembly for controlling the rotation of the first brush roller 702 and the second brush roller 704 is provided between the U-shaped scraper 701 and the inner wall of the test chamber 101.

[0056] Local working principle: When the placing plate 4 slides outwards after the test is completed, the U-shaped scraper 701 will adhere to the two side edges and the top of the test chamber 101 and slide outwards, removing the ice and frost during the sliding process. In addition, during the sliding process of the U-shaped scraper 701, the rotating assembly will also control the rotation of the first brush roller 702 and the second brush roller 704 to improve the defrosting effect. The U-shaped scraper 701 is made of aluminum alloy, and an elastic silicone strip with a thickness of 2 mm is pasted on the edge. The gap with the inner wall of the test chamber 101 is ≤ 0.5 mm to ensure a tight fit without damaging the inner wall coating. Both the first brush roller 702 and the second brush roller 704 use nylon bristles (shore hardness A80), and the bristle length is 15 mm.

[0057] In this embodiment, the rotating assembly includes a third gear 703, a fourth gear 705, a third rack 706 and a fourth rack 707. The third gear 703 is installed at the top end of the first brush roller 702, the fourth gear 705 is installed at both ends of the second brush roller 704, the third racks 706 meshing with the third gear 703 are arranged along the length direction at the top of both sides of the test chamber 101, and the fourth racks 707 meshing with the fourth gear 705 are arranged along the length direction at both sides of the top of the test chamber 101.

[0058] Local working principle: The installation heights of the third rack 706 and the fourth rack 707 are equal to the centers of the third gear 703 and the fourth gear 705, and the pitch is 5 mm to ensure gapless meshing of the gear and the rack. When the placing plate 4 drives the U-shaped scraper 701 to move, the third gear 703 moves and rotates along the length direction of the third rack 706, and the fourth gear 705 moves and rotates along the length direction of the fourth rack 707, thereby simultaneously controlling the rotation of the first brush roller 702 and the second brush roller 704.

[0059] In this embodiment, collecting plates 708 are provided along the length direction at the bottoms on both sides of the test chamber 101. Grooves are formed at the tops of the collecting plates 708. The bottoms of the collecting plates 708 are attached to the tops of the placing plates 4, and the bottom ends of the U-shaped scraping plates 701 are attached to the tops of the collecting plates 708.

[0060] Local working principle: The depth of the groove of the collecting plate 708 is 10 mm, the bottom surface inclination angle is 15° towards the outside of the test chamber 101, and the gap with the top of the placing plate 4 is ≤1 mm. The frost scraped off on both sides of the test chamber 101 will fall into the grooves at the tops of the collecting plates 708, and the movement of the U-shaped scraping plates 701 is used to push the frost outwards for cleaning.

[0061] The above is only a further embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the scope disclosed by the present invention, according to the technical solution and its concept of the present invention, makes equivalent substitutions or changes, and all belong to the protection scope of the present invention.

Claims

1. An intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products, comprising a test chamber body (1), a test chamber (101) disposed at the front end of the test chamber body (1), a sealing ring (103) installed outside the test chamber (101), and a chamber door (102) covering the outside of the test chamber (101) and the sealing ring (103); Features: A door shaft (2) is vertically rotatably mounted on the side of the test box body (1), a connecting plate (3) is fixed between the two ends of the door shaft (2) and the side of the box door (102), a storage plate (4) is slidably mounted on the bottom of the test chamber (101), cylinders (5) are mounted on both sides of the bottom of the test chamber (101) along the length direction, the output end of the cylinder (5) is connected to the side of the storage plate (4), and an air supply mechanism (6) is provided on the side of the test box body (1) for supplying and exhausting air to the cylinder (5) when the box door (102) is opened and closed; A cleaning mechanism (8) for removing dust from the surface of the sealing ring (103) is provided on the outer side of the open portion of the test chamber (101); A defrosting mechanism (7) for defrosting both sides and the top of the test chamber (101) is provided on the top of the storage plate (4).

2. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 1, characterized in that: The air supply mechanism (6) comprises an outer shell (601), a first cylinder (602), a first air pipe (603), a first piston (604), a piston rod (605) and a telescopic assembly. The outer shell (601) is mounted on the side of the test box body (1). The first cylinder (602) is fixed to the top of the inner side of the outer shell (601). The first air pipe (603) is provided between the end of the first cylinder (602) and the cylinder (5). The first piston (604) is slidably provided inside the first cylinder (602) along the length direction. The piston rod (605) is vertically fixed to the outer side of the first piston (604). The end of the piston rod (605) is provided with a telescopic assembly.

3. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 2, characterized in that: The telescopic assembly includes a vertical plate (606), a first rack (609), a second rack (615), an incomplete gear (616) and a transmission member. The vertical plate (606) is fixed to the end of the piston rod (605). The first rack (609) is horizontally fixed to the bottom end of the vertical plate (606). The second rack (615) is horizontally slidably arranged on the outer shell (601). A transmission member is arranged between the second rack (615) and the first rack (609). An incomplete gear (616) meshing with the second rack (615) is installed at the middle position of the door shaft (2).

4. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 3, characterized in that: The transmission member comprises a first gear (610), a worm wheel (611), a worm (612), a bracket (613) and a second gear (614); the first gear (610) is rotatably mounted inside the outer shell (601), and the first gear (610) is meshed with the bottom of the first rack (609); a worm wheel (611) is mounted on the side of the first gear (610); a bracket (613) is fixed inside the outer shell (601); a second gear (614) is rotatably mounted on the bracket (613); the second gear (614) is meshed with the second rack (615); and a worm (612) meshed with the worm wheel (611) is mounted at the end of the second gear (614).

5. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 3 or 4, characterized in that: A spring (607) is horizontally installed between the vertical plate (606) and the side of the outer shell (601), and a sliding rod (608) is fixed between the two sides of the outer shell (601). The sliding rod (608) passes through the inside of the spring (607) and is slidably connected to the vertical plate (606).

6. An intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 3 or 4, characterized in that: The cleaning mechanism (8) comprises a second cylinder (801), a second piston (802), a second air pipe (803), a rectangular tube (804), a first air hole (805) and a second air hole (806); the second cylinder (801) is horizontally fixed on the inner side of the outer shell (601); the second piston (802) is slidably mounted inside the second cylinder (801); the end of the second rack (615) is fixedly connected to the side of the second piston (802); the rectangular tube (804) is located on the side of the opening of the test chamber (101); the rectangular tube (804) and the second cylinder (801) are connected to each other. A second air pipe (803) is provided between the ends of the test chamber (101) and the test chamber (801), a one-way air inlet valve is provided at the end of the second cylinder (801), a reverse exhaust valve is provided at the end of the second air pipe (803), second air holes (806) are uniformly provided along the circumference of the rectangular tube (804), first air holes (805) are uniformly provided on the outside of the test chamber (101) and between the sealing rings (103), and the exhaust direction of the first air holes (805) is inclined toward the sealing ring (103), and the first air holes (805) are communicated with the interior of the rectangular tube (804) through the second air holes (806).

7. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 6, characterized in that: Two groups of sealing rings (103) are provided, and the two groups of sealing rings (103) are mutually sleeved, and the first air holes (805) are distributed between the sealing rings (103) in an annular array, and two groups of first air holes (805) are provided.

8. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 1, characterized in that: The defrosting mechanism (7) comprises a U-shaped scraper (701), a first brush roller (702), a second brush roller (704) and a rotating assembly. The U-shaped scraper (701) is fixed on the top of the storage plate (4), and the outer side of the U-shaped scraper (701) is in contact with the two side edges and the top of the test chamber (101). The first brush roller (702) is rotatably mounted on both sides of the U-shaped scraper (701), and the second brush roller (704) is rotatably mounted on the top of the outer side of the U-shaped scraper (701). A rotating assembly for controlling the rotation of the first brush roller (702) and the second brush roller (704) is provided between the U-shaped scraper (701) and the inner wall of the test chamber (101).

9. The intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 8, characterized in that: The rotating assembly comprises a third gear (703), a fourth gear (705), a third rack (706) and a fourth rack (707); the third gear (703) is mounted on the top of the first brush roller (702); the fourth gear (705) is mounted on both ends of the second brush roller (704); the tops of both sides of the test chamber (101) are provided with third racks (706) meshing with the third gear (703) along the length direction; and the tops of both sides of the test chamber (101) are provided with fourth racks (707) meshing with the fourth gear (705) along the length direction.

10. An intelligent constant temperature and humidity test chamber for environmental adaptability testing of industrial products according to claim 8 or 9, characterized in that: The bottom of both sides of the test chamber (101) are provided with collecting plates (708) along the length direction, and the top of each collecting plate (708) is provided with a groove. The bottom of the collecting plate (708) is in contact with the top of the storage plate (4), and the bottom end of the U-shaped scraper (701) is in contact with the top of the collecting plate (708).

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