Automatic dimming device for environmental box

Abstract

The utility model relates to the technical field of environmental boxes, and provides an environmental box automatic dimming device which comprises a double-layer frame, a metal halide lamp is arranged above the top of the double-layer frame, two motor frames are arranged outside one side of the double-layer frame and are vertically distributed at the same position, driving motors are arranged on the motor frames, and the driving motors are connected with the metal halide lamp. A gear shaft is fixed at the output end of the driving motor; the automatic dimming device for the environmental box is easy to operate and good in dimming effect, the brightness in the environmental box is adjusted through the metal halide lamp, the stainless steel wire mesh can be spread by connecting the wire mesh pressing edge with the rolling rod, the stainless steel wire mesh is used for shielding the lower portion of the metal halide lamp, the dimming effect of equipment can be improved, and the service life of the equipment is prolonged. The dimming effect can be further improved through double superposition of the two stainless steel wire nets, the gear shaft is driven to rotate through the driving motor, the rolling rod can be driven to rotate synchronously through the transmission wheel and the transmission belt, and the stainless steel wire nets can be pulled and rolled up.

Description

Technical Field

[0001] The utility model relates to the technical field of environmental chambers, and in particular to an automatic light-adjusting device for an environmental chamber. Background Art

[0002] Environmental test chambers can quickly adjust the brightness and other conditions inside the test chamber, so that the tested products can be subjected to high temperature, low temperature, high humidity, temperature shock and other tests, and product defects can be quickly discovered and improved. Therefore, environmental chambers are widely used in various experiments in laboratories.

[0003] However, the existing environmental chamber dimming device basically adopts the method of manually inserting the stainless steel wire mesh. In actual use, the light intensity cannot be automatically adjusted, which is not convenient to use. Therefore, it is necessary to design an automatic dimming device for the environmental chamber. Utility Model Content

[0004] The utility model aims to provide an automatic light adjustment device for an environmental chamber, which solves the problem in the related art that the intensity of light cannot be automatically adjusted by manually inserting a stainless steel wire mesh during use.

[0005] The technical solution of the utility model is as follows:

[0006] The automatic dimming device of the environmental chamber comprises a double-layer frame, a metal halide lamp is arranged on the top of the double-layer frame, two motor frames are arranged on the outside of one side of the double-layer frame, and the two motor frames are vertically distributed at the same position, a driving motor is arranged on the motor frame, and a gear shaft is fixed to the output end of the driving motor, a filter sleeve is arranged on the gear shaft, and a stainless steel wire mesh is arranged in the filter sleeve, a wire mesh pressing edge is welded to the other end of the stainless steel wire mesh, two winding rods are arranged on the other side of the double-layer frame, and the two winding rods are vertically distributed at the same position, transmission wheels are welded on the gear shaft and the winding rod, and a transmission belt is sleeved on the two transmission wheels.

[0007] Preferably, both ends of the filter sleeve are provided with limit sleeves.

[0008] Preferably, two pairs of wire mesh brackets are screwed onto the double-layer frame, and slide rails are screwed onto the tops of the wire mesh brackets, and both ends of the wire mesh pressing edge are respectively placed on the two slide rails.

[0009] Preferably, a limit switch is provided on one side of each pair of the wire mesh supports.

[0010] Preferably, bearings are slidably installed on both sides of the top of the double-layer frame, and a lamp installation shaft is inserted between the two bearings. Connecting plates are installed on both sides of the metal halide lamp through rotating shafts, and both ends of the lamp installation shaft pass through the two connecting plates respectively.

[0011] Preferably, a plurality of limit holes are equidistantly provided on both sides of the top of the double-layer frame, a fixing plate is welded to the outer wall of the connecting plate, a limit rod is inserted on the fixing plate, and one end of the bottom of the limit rod is inserted and installed in a limit hole.

[0012] Preferably, two driving brackets are welded to an outer wall of one side of the double-layer frame, and the two driving brackets are respectively located below two driving motors, and the bottom of the motor frame is welded and fixed to the driving bracket.

[0013] Preferably, the stainless steel wire mesh is woven from ultra-fine steel wires, and the drive motor is a three-phase asynchronous motor.

[0014] Beneficial effects of the utility model:

[0015] The brightness in the metal halide lamp environment box is adjusted by connecting the screen edge with the winding rod, so that the stainless steel screen can be spread out. The stainless steel screen is used to block the bottom of the metal halide lamp to improve the dimming effect of the equipment. The dimming effect can be further increased by double stacking two stainless steel screens. The gear shaft is driven by a driving motor to rotate, and the winding rod can be driven to rotate synchronously by the transmission wheel and the transmission belt, so that the stainless steel screen can be pulled and rolled up. This motor-driven method allows the shading net to be automatically unfolded or stored. The dimming system with an electronic power supply can make the lighting in the environment box have a wider dimming range. At the same time, it is more convenient to use than manual operation. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0017] Figure 1 It is an isometric view of the entire utility model;

[0018] Figure 2 This is the overall top view of the utility model;

[0019] Figure 3 It is the overall side view of the utility model;

[0020] Figure 4 This is the overall front view of the utility model;

[0021] In the figure: 1. Double-layer frame; 2. Metal halide lamp; 3. Motor frame; 4. Drive motor; 5. Gear shaft; 6. Filter sleeve; 7. Stainless steel wire mesh; 8. Wire mesh edge pressing; 9. Winding rod; 10. Drive wheel; 11. Drive belt; 12. Limit sleeve; 13. Slide rail; 14. Limit switch; 15. Limit socket; 16. Bearing; 17. Lamp mounting shaft; 18. Connecting plate; 19. Fixing plate; 20. Limit plug rod; 21. Drive bracket; 22. Wire mesh bracket. DETAILED DESCRIPTION

[0022] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1-4 As shown, this embodiment proposes an automatic dimming device for an environmental chamber, including a double-layer frame 1, a metal halide lamp 2 is arranged on the top of the double-layer frame 1, two motor frames 3 are arranged on the outside of one side of the double-layer frame 1, and the two motor frames 3 are vertically distributed at the same position, a driving motor 4 is arranged on the motor frame 3, and a gear shaft 5 is fixed to the output end of the driving motor 4, a filter sleeve 6 is arranged on the gear shaft 5, and a stainless steel wire mesh 7 is arranged in the filter sleeve 6, and a wire mesh pressing edge 8 is welded to the other end of the stainless steel wire mesh 7, two winding rods 9 are arranged on the other side of the double-layer frame 1, and the two winding rods 9 are vertically distributed at the same position, and the gear shaft 5 and The winding rod 9 is welded with a driving wheel 10, and a driving belt 11 is sleeved on the two driving wheels 10. Both ends of the filter sleeve 6 are provided with a limit sleeve 12, and the limit sleeve 12 can be used to limit the position of the filter sleeve 6 to prevent the filter sleeve 6 from being offset and affecting the shielding effect of the stainless steel wire mesh 7. Two pairs of wire mesh brackets 22 are screwed on the double-layer frame 1, and the top of the wire mesh bracket 22 is screwed with a slide rail 13. The two ends of the wire mesh pressing edge 8 are respectively placed on the two slide rails 13. A limit switch 14 is provided on one side of each pair of wire mesh brackets 22, and the wire mesh pressing edge 8 contacts the limit switch 14. The driving motor 4 can be stopped to fix the length of the stainless steel wire mesh 7. Bearings 16 are slidably installed on both sides of the top of the double-layer frame 1, and a lamp installation shaft 17 is inserted between the two bearings 16. Connecting plates 18 are installed on both sides of the metal halide lamp 2 through the rotating shaft, and the two ends of the lamp installation shaft 17 pass through the two connecting plates 18 respectively. By moving the bearings 16, under the action of the lamp installation shaft 17 and the connecting plate 18, the position of the metal halide lamp 2 can be adjusted. A number of limit sockets 15 are equidistantly opened on both sides of the top of the double-layer frame 1, and a fixing plate 19 is welded to the outer wall of the connecting plate 18, and the fixing plate A limit rod 20 is inserted on 19, and one end of the bottom of the limit rod 20 is inserted and installed in a limit hole 15. By inserting the limit rod 20 into the limit hole 15, the position of the metal halide lamp 2 can be fixed. Two drive brackets 21 are welded to the outer wall of one side of the double-layer frame 1, and the two drive brackets 21 are respectively located under the two drive motors 4. The bottom of the motor frame 3 is welded and fixed to the drive bracket 21. The stainless steel wire mesh 7 is woven from ultra-fine steel wire, has flexibility, and can be reciprocated to extend and shade. The drive motor 4 is a three-phase asynchronous motor and can rotate in forward and reverse directions.

[0024] In this embodiment, when in use, the brightness in the environmental box of the metal halide lamp 2 is adjusted, and the stainless steel wire mesh 7 can be spread out by connecting the wire mesh pressing edge 8 with the winding rod 9. The stainless steel wire mesh 7 is used to block the bottom of the metal halide lamp 2 to improve the dimming effect of the equipment. The dimming effect can be further increased by double stacking two stainless steel wire meshes 7. The gear shaft 5 is driven to rotate by the driving motor 4, and the winding rod 9 can be driven to rotate synchronously by the transmission wheel 10 and the transmission belt 11. The stainless steel wire mesh 7 can be pulled and rolled up. The limit sleeve 12 can be used to limit the position of the filter sleeve 6 to prevent the filter sleeve 6 from being offset and affecting the shielding effect of the stainless steel wire mesh 7. The position of the metal halide lamp 2 can be adjusted by moving the bearing 16 under the action of the lamp mounting shaft 17 and the connecting plate 18. The position of the metal halide lamp 2 can be fixed by inserting the limit plug rod 20 into the limit plug hole 15.

[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automatic dimming device for an environmental chamber, comprising a double-layer frame (1), characterized in that: A metal halide lamp (2) is provided above the top of the double-layer frame (1); two motor frames (3) are provided on the outside of one side of the double-layer frame (1), and the two motor frames (3) are vertically distributed at the same position; a driving motor (4) is provided on the motor frame (3), and a gear shaft (5) is fixed to the output end of the driving motor (4); a filter mesh sleeve (6) is provided on the gear shaft (5), and a stainless steel wire mesh (7) is provided in the filter mesh sleeve (6); a wire mesh pressing edge (8) is welded to the other end of the stainless steel wire mesh (7); two winding rods (9) are provided on the other side of the double-layer frame (1), and the two winding rods (9) are vertically distributed at the same position; a transmission wheel (10) is welded to both the gear shaft (5) and the winding rod (9), and a transmission belt (11) is sleeved on the two transmission wheels (10).

2. The automatic dimming device for an environmental chamber according to claim 1, characterized in that: Limiting sleeves (12) are provided at both ends of the filter sleeve (6).

3. The automatic light-adjusting device for an environmental chamber according to claim 1, characterized in that: Two pairs of wire mesh brackets (22) are screwed onto the double-layer frame (1), and slide rails (13) are screwed onto the tops of the wire mesh brackets (22), and the two ends of the wire mesh pressing edge (8) are respectively placed on the two slide rails (13).

4. The automatic light-adjusting device for an environmental chamber according to claim 3, characterized in that: A limit switch (14) is provided on one side of each pair of wire mesh supports (22).

5. The automatic light-adjusting device for an environmental chamber according to claim 1, characterized in that: Bearings (16) are slidably mounted on both sides of the top of the double-layer frame (1), and a lamp installation shaft (17) is inserted between the two bearings (16). Connecting plates (18) are mounted on both sides of the metal halide lamp (2) via rotating shafts, and both ends of the lamp installation shaft (17) pass through the two connecting plates (18) respectively.

6. The automatic light-adjusting device for an environmental chamber according to claim 5, characterized in that: A plurality of limit plug holes (15) are equidistantly provided on both sides of the top of the double-layer frame (1), a fixing plate (19) is welded to the outer wall of the connecting plate (18), a limit plug rod (20) is inserted into the fixing plate (19), and a bottom end of the limit plug rod (20) is inserted and installed in a limit plug hole (15).

7. The automatic light-adjusting device for an environmental chamber according to claim 1, characterized in that: Two drive brackets (21) are welded to an outer wall of one side of the double-layer frame (1), and the two drive brackets (21) are respectively located below two drive motors (4), and the bottom of the motor frame (3) is welded and fixed to the drive bracket (21).

8. The automatic light-adjusting device for an environmental chamber according to claim 1, characterized in that: The stainless steel wire mesh (7) is woven from ultra-fine steel wires, and the drive motor (4) is a three-phase asynchronous motor.

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