Projection lamp shell aging test equipment

Abstract

The invention discloses an aging test device for a projection lamp shell. The aging test device comprises a salt mist box, a storage rack and a salt mist generator, wherein the storage rack and the salt mist generator are mounted in the salt mist box; the storage rack comprises a storage inner supporting body arranged in the salt mist box and used for limiting the shell body, the shell body is in a buckled state, and a servo motor is further installed in the salt mist box and used for driving the storage inner supporting body to move circumferentially. The corrosion condition and the wind power condition in the actual environment are simulated through the salt mist generator, the spray tower simulates the conveying effect of salt mist and wind power in different directions, the salt mist enters the bolt connecting position of the shell body, corrosion of the bolt connecting position is simulated, and the aging condition of the bolts on the surface of the metal shell is comprehensively evaluated; and secondly, by means of the storage inner supporting body, the clamp is prevented from being exposed in a high-salt-mist and high-humidity environment, the problem of rapid aging is avoided, the inner sides of the shell bodies in different shapes are adsorbed, and the durability and reliability of the equipment are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of shell aging testing, in particular to a device for testing the shell aging of a floodlight. Background Art

[0002] As core components of outdoor lighting equipment, floodlights' metal casings are constantly exposed to harsh environments such as high salt spray and high humidity (e.g., coastal areas and industrially polluted areas). Statistics show that metal corrosion-induced failures in floodlight casings account for over 62% of outdoor lighting equipment failures. Therefore, salt spray testing has become a key method for evaluating the corrosion resistance of casing materials like aluminum alloy and stainless steel, directly impacting product lifespan.

[0003] However, existing floodlight housing aging test equipment has several shortcomings. Traditional testing equipment uses a fixed V-shaped fixture, which is exposed to harsh environments such as high salt spray and high humidity during use, causing the fixture to rapidly age. Furthermore, the fixture requires adjustment to accommodate different housing types. Adjustable fixtures often have joints that are susceptible to corrosion, affecting the overall performance of the fixture. Even minor corrosion can affect the flexibility of the fixture joints, reducing the accuracy and reliability of the test.

[0004] Another significant issue is that existing testing equipment cannot fully simulate the complex conditions found in actual use environments. In real-world environments, high salt spray and high humidity are often accompanied by a certain amount of wind. Bolts on the surface of metal casings are particularly susceptible to these factors. Salt spray and moisture can penetrate deep along the threads, accelerating the aging process of the bolts. In these cases, it can be difficult to remove the bolts from the aged metal casing, hindering subsequent maintenance and replacement work. However, existing testing equipment lacks the ability to simulate these complex environmental conditions and cannot comprehensively assess the aging of bolts on the surface of metal casings.

[0005] In view of the above problems, the existing technology is in urgent need of improvement. Summary of the Invention

[0006] The object of the present invention is to provide a floodlight housing aging test device to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a floodlight housing aging test device, comprising a salt spray chamber, a rack installed in the salt spray chamber, and a salt spray generator;

[0008] The storage rack includes an inner support body arranged in the salt spray chamber, which is used to limit the outer shell body, and the outer shell body is in a buckled state. A servo motor is also installed in the salt spray chamber to drive the inner support body to move in a circular motion;

[0009] The salt spray generator includes an air pipe, a salt water pipe and two sets of symmetrical spray towers, one set of spray towers is used to spray salt spray, and the other set of spray towers is used to spray gas;

[0010] A driving part is provided on the outer sides of the two groups of spray towers and is connected to the storage rack for driving the two groups of spray towers to tilt at multiple angles to achieve the effect of simulating wind force.

[0011] Furthermore, the storage rack also includes a storage plate fixed in the salt spray chamber, the servo motor is detachably mounted on the lower end of the storage plate, a storage support plate is provided on the upper end of the storage plate, the storage support plate is fixed to the output end of the servo motor, and the storage inner support body is mounted on the upper end of the storage support plate.

[0012] Furthermore, the inner support body of the storage device includes a shaft, a buckling block, a buckling axis 1, a buckling axis 2, a deformable sheet and a suction cup;

[0013] The upper end of the shaft is hollow and has a support opening extending downward. The snap-fit ​​block is embedded in the shaft. The snap-fit ​​shaft 1 is sleeved with the snap-fit ​​shaft 2. The snap-fit ​​shaft 1 has a reset spring inside. The snap-fit ​​shaft 1 is fixed to the outside of the snap-fit ​​block and extends outward from the support opening.

[0014] The deformable piece is spherically hinged at the outer end of the second buckling shaft, and the suction cup is fixed on the outer side of the deformable piece.

[0015] Furthermore, the deformable sheet and the suction cup are made of highly elastic molecular material.

[0016] Furthermore, the two groups of spray towers each include a circular sleeve 1 and a circular sleeve 2 that are spherically hinged to each other. The interiors of the circular sleeve 1 and the circular sleeve 2 are hollow. The circular sleeve 1 is fixed to the air pipe, and the gas in the air pipe moves outward through the circular sleeve 1 and the circular sleeve 2. The outer side of the circular sleeve 2 of one group of spray towers is connected to the brine pipe for spraying salt mist.

[0017] Furthermore, the driving part includes a driving shaft, a connecting shaft and a driving ring. An eccentric bayonet is provided on the storage support plate, the driving shaft is clamped in the bayonet, and the connecting shaft is laterally connected to the driving shaft. There are several driving rings, which are evenly distributed on the connecting shaft and are integrally formed with the connecting shaft. The outer side of the circular sleeve is provided with two limiting rings, and the driving ring is sleeved on the outer side of the circular sleeve and is located between the two limiting rings.

[0018] Furthermore, there is a gap between the driving ring and the circular sleeve 2, and the driving shaft, connecting shaft and driving ring are rigid.

[0019] Furthermore, the brine tube is made of a highly elastic molecular material, the air tube is made of a rigid material, and both the air tube and the brine tube are connected to a salt spray chamber.

[0020] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention uses a salt spray generator to simulate the corrosion conditions and wind conditions in an actual environment; the spray tower simulates the transport effects of salt spray and wind in different directions, allowing the salt spray to enter the bolt connection of the shell body, simulating the corrosion of the bolt connection, and achieving a comprehensive assessment of the aging of the bolts on the surface of the metal shell; secondly, the internal support body is placed to avoid the fixture itself from being exposed to a high salt spray and high humidity environment, avoiding the problem of rapid aging, and adsorbing the inner side of the shell body with different shapes, thereby improving the durability and reliability of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 Schematic diagram of the salt spray chamber structure of the present invention;

[0023] Figure 2 This is a schematic structural diagram of the storage rack and salt spray generator of the present invention;

[0024] Figure 3 This is a schematic diagram of the separation structure of the storage rack and the salt spray generator of the present invention;

[0025] Figure 4 This is a schematic diagram of the structure of the storage support plate of the present invention;

[0026] Figure 5 This invention Figure 4 A schematic diagram of the partially enlarged structure of the middle part;

[0027] Figure 6 This is a schematic diagram of the structure of the inner support body of the storage box of the present invention;

[0028] Figure 7 It is a schematic structural diagram of the driving part of the present invention;

[0029] Figure 8 Schematic diagram of the spray tower structure of the present invention;

[0030] Figure 9 It is a schematic diagram of the partial cross-sectional structure of the spray tower of the present invention.

[0031] In the figure: 1. Salt spray chamber; 2. Storage rack; 21. Storage plate; 22. Servo motor; 23. Storage support plate; 231. Bayonet; 24. Storage inner support body; 241. Shaft; 242. Support opening; 243. Snap-fit ​​block; 244. Snap-fit ​​shaft 1; 245. Snap-fit ​​shaft 2; 246. Deformation sheet; 247. Suction cup; 25. Housing body; 3. Salt spray generator; 31. Air pipe; 32. Salt water pipe; 33. Spray tower; 331. Circular sleeve 1; 332. Circular sleeve 2; 333. Limiting ring; 4. Driving unit; 41. Driving shaft; 42. Connecting shaft; 43. Driving ring. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0033] See also Figures 1-9 , the present invention provides a technical solution: As the core component of outdoor lighting equipment, the metal shell of the floodlight is exposed to harsh environments such as high salt fog and high humidity for a long time. According to statistics, the failure of the floodlight shell caused by metal corrosion accounts for more than 62% of the failure rate of outdoor lighting equipment. Therefore, salt spray testing has become a key means to evaluate the corrosion resistance of shell materials such as aluminum alloy and stainless steel, which directly affects the service life of the product. Traditional testing equipment uses a fixed V-shaped clamp, which has the problem of rapid aging of the clamp when exposed to high salt fog and high humidity environments. When faced with different forms of shells, the clamp needs to be adjusted for clamping, but the joints of the clamp are easily corroded, affecting use. In addition, the bolts on the surface of the metal shell are greatly affected by wind in high salt fog and high humidity environments, making it difficult to remove the bolts from the aging metal shell.

[0034] This application proposes a floodlight housing aging test device, comprising a salt spray chamber 1, a rack 2 installed in the salt spray chamber 1, and a salt spray generator 3;

[0035] The storage rack 2 includes an inner support body 24 disposed in the salt spray chamber 1 for limiting the position of the outer shell body 25. The outer shell body 25 is in a buckled state. A servo motor 22 is also installed in the salt spray chamber 1 for driving the inner support body 24 to move in a circular motion.

[0036] The salt mist generator 3 includes an air pipe 31, a salt water pipe 32 and two sets of symmetrical spray towers 33, one set of spray towers 33 is used to spray salt mist, and the other set of spray towers 33 is used to spray gas;

[0037] A driving unit 4 is provided on the outside of the two groups of spray towers 33 and is connected to the storage rack 2 for driving the two groups of spray towers 33 to tilt at multiple angles to simulate the effect of wind.

[0038] Specifically, the salt spray chamber 1 provides a high salt spray and high humidity test environment. The rack 2 is used to fix the outer shell 25 and limit it to ensure that the outer shell 25 is in a stable position during the test. The servo motor 22 drives the inner support body 24 to perform circular motion to simulate the dynamic environment of the outer shell 25 during use. The salt spray generator 3 transports salt spray and gas through the air pipe 31 and the salt water pipe 32. The two sets of spray towers 33 spray salt spray and gas respectively to simulate the corrosive conditions and wind conditions in the actual environment. The drive unit 4 is connected to the rack 2 and rotates through the rack 2 to achieve multi-angle tilting of the spray tower 33, simulating the transport effects of salt spray and wind in different directions, thereby enhancing the authenticity of the test.

[0039] The equipment effectively simulates the aging process of floodlight housing under high salt spray, high humidity and wind, thereby more accurately evaluating the corrosion resistance of the housing material.

[0040] The storage rack 2 also includes a storage plate 21 fixed in the salt spray chamber 1, and the servo motor 22 is detachably mounted on the lower end of the storage plate 21. A storage support plate 23 is provided on the upper end of the storage plate 21. The storage support plate 23 is fixed to the output end of the servo motor 22, and the storage inner support body 24 is mounted on the upper end of the storage support plate 23.

[0041] Specifically, the storage rack 2 includes a storage plate 21 fixed in the salt spray chamber 1, a servo motor 22 detachably mounted on the lower end of the storage plate 21, a storage support plate 23 provided on the upper end of the storage plate 21, the storage support plate 23 being fixed to the output end of the servo motor 22, and a storage internal support body 24 being mounted on the upper end of the storage support plate 23. The storage plate 21 provides a stable foundation, and the detachable design of the servo motor 22 increases the flexibility and ease of maintenance of the equipment. The fixed connection between the storage support plate 23 and the servo motor 22 ensures stable circular motion of the housing body 25 during the test, allowing the housing body 25 to experience the effects of salt spray and wind, so that the salt spray is blown by the wind to the bolt connection of the housing body 25, deeply simulating a real environment. Through the combination of these technical features, the stability and flexibility issues of the floodlight housing fixing device during the salt spray test are solved, while simulating the impact of the most realistic environment on the bolts of the floodlight housing.

[0042] The inner support body 24 includes a shaft 241, a buckling block 243, a buckling axis 1 244, a buckling axis 245, a deformable piece 246 and a suction cup 247;

[0043] The upper end of the shaft 241 is hollow and has a support opening 242 extending downward. The snap-fit ​​block 243 is embedded in the shaft 241. The first snap-fit ​​shaft 244 is sleeved with the second snap-fit ​​shaft 245. The first snap-fit ​​shaft 244 has a return spring inside. The first snap-fit ​​shaft 244 is fixed to the outside of the snap-fit ​​block 243 and extends outward from the support opening 242.

[0044] The deformable piece 246 is spherically hinged at the outer end of the second buckling shaft 245 , and the suction cup 247 is fixed on the outer side of the deformable piece 246 .

[0045] Specifically, the shaft 241, snap-fit ​​block 243, snap-fit ​​shaft 1 244, snap-fit ​​shaft 245, deformable sheet 246 and suction cup 247 structure of the internal support body 24 can be covered by the outer shell body 25, thereby reducing the aging problem of the clamp of the internal support body 24 in a high salt fog and high humidity environment. The upper end of the shaft 241 is hollow and has a support opening 242 extending downward, so that the snap-fit ​​block 243 can be embedded in the shaft 241, providing a stable support structure. The first snap-fitting shaft 244 is sleeved with the second snap-fitting shaft 245, and the inside of the first snap-fitting shaft 244 is provided with a reset spring, which ensures the flexibility and reset function of the clamp, avoids the corrosion of the joints affecting the use, and also enables the outer shell bodies 25 of different sizes to be snapped on the inner support body 24 of the storage. The deformable piece 246 is spherically hinged at the outer end of the second snap-fitting shaft 245, and the suction cup 247 is fixed on the outer side of the deformable piece 246. Through this structural design, different forms of outer shell bodies 25 can be effectively supported from the inside, and the suction cup 247 is adsorbed on the inner side of the outer shell body 25, while avoiding the clamp itself from being exposed to high salt spray and high humidity environments, avoiding the problem of rapid aging. When the suction cup 247 and the deformable piece 246 are located on the inner side of the outer shell body 25, the suction cup 247 and the inner side of the outer shell body 25 are adsorbed, and the deformable piece 246 is twisted along the second snap-fitting shaft 245, so as to adsorb the inner side of the outer shell body 25 with different shapes.

[0046] Based on this, the various parts of the support body 24 inside the storage box cooperate with each other to form a stable and flexible support structure, avoiding the problem of rapid aging of the clamp in high salt fog and high humidity environments, and improving the durability and reliability of the equipment.

[0047] The material of the deformable sheet 246 and the suction cup 247 is a highly elastic molecular material. Specifically, the deformable sheet 246 and the suction cup 247 are made of silicone material or polyurethane material, which can allow bending while maintaining elasticity, and can meet the use requirements of the deformable sheet 246 and the suction cup 247 in harsh environments such as high salt fog and high humidity.

[0048] Both sets of spray towers 33 include a circular sleeve 1 331 and a circular sleeve 2 332 that are spherically hinged to each other. The interiors of the circular sleeve 1 331 and the circular sleeve 2 332 are hollow. The circular sleeve 1 331 is fixed to the air pipe 31. The gas in the air pipe 31 flows outward through the circular sleeve 1 331 and the circular sleeve 2 332. The outer side of the circular sleeve 2 332 of one set of spray towers 33 is connected to the salt water pipe 32 for spraying salt mist.

[0049] Specifically, the design of the spherically hinged circular sleeve 1 331 and circular sleeve 2 332 allows the spray tower 33 to flexibly adjust its angle while maintaining stability when spraying salt mist and gas. Circular sleeve 1 331 is secured to the air pipe 31, ensuring smooth gas flow, while circular sleeve 2 332 is connected to the salt pipe 32 to enable the spraying of salt mist. These technical features address the flexibility and stability issues faced by the spray towers 33 during the spraying process. One set of spray towers 33 sprays salt mist, while the other sprays gas. Combined with the rotation of the internal support body 24, the different housing bodies 25 are exposed to the effects of salt mist and wind, simulating a realistic environment. This also allows the salt mist to penetrate the bolted joints of the housing bodies 25, simulating corrosion at these joints.

[0050] The ball-jointed structure of the circular sleeve 1 331 and the circular sleeve 2 332 enables the spray tower 33 to be adjusted at different angles to meet different spraying requirements, ensuring that the shell body 25 is covered while also allowing salt mist to enter the bolt connection of the shell body 25.

[0051] The driving part 4 includes a driving shaft 41, a connecting shaft 42 and a driving ring 43. An eccentric bayonet 231 is provided on the storage support plate 23. The driving shaft 41 is clamped in the bayonet 231. The connecting shaft 42 is laterally connected to the driving shaft 41. There are several driving rings 43, which are evenly distributed on the connecting shaft 42 and are integrally formed with the connecting shaft 42. Two circles of limiting rings 333 are provided on the outside of the circular sleeve 332. The driving ring 43 is sleeved on the outside of the circular sleeve 332 and is located between the two circles of limiting rings 333.

[0052] Specifically, the drive unit 4 includes a drive shaft 41, a connecting shaft 42, and a drive ring 43. The drive shaft 41 is mounted within the eccentric retaining hole 231 of the storage support plate 23. The connecting shaft 42 is laterally connected to the drive shaft 41. The drive ring 43 is evenly distributed on the connecting shaft 42 and integrally formed therewith. Two retaining rings 333 are positioned outside the second circular sleeve 332. The drive ring 43 is positioned between the two retaining rings 333. The design of the drive shaft 41, connecting shaft 42, and drive ring 43 ensures stable and reliable connection and motion control between the drive unit 4 and the spray tower 33. Rotation of the storage support plate 23 also causes the drive unit 4 to rotate, directing the spray tower 33 to different orientations. The salt spray and gas from the spray tower 33 ensure that the salt spray fully contacts the bolted connection of the housing body 25.

[0053] There is a gap between the driving ring 43 and the second circular sleeve 332 , and the driving shaft 41 , the connecting shaft 42 and the driving ring 43 are rigid.

[0054] Specifically, there is a gap between the driving ring 43 and the circular sleeve 332, so that when the driving ring 43 moves in a circle with the connecting shaft 42, the circular sleeve 332 can be tilted to avoid interference. The rigid design of the driving shaft 41, the connecting shaft 42 and the driving ring 43 ensures that the entire driving part 4 has sufficient strength and stability during operation and can withstand various stresses and loads during equipment operation.

[0055] The saline pipe 32 is made of a highly elastic molecular material, and the air pipe 31 is made of a rigid material. Both the air pipe 31 and the saline pipe 32 are connected to the salt spray chamber 1 .

[0056] Specifically, by using a brine pipe 32 made of a highly elastic molecular material, the corrosion resistance and service life of the brine pipe 32 in a high salt fog and high humidity environment can be improved. At the same time, the spray tower 33 can also be tilted to avoid interference. The air pipe 31 made of a rigid material ensures the stability and durability of the air pipe 31, and limits the upper part of the spray tower 33 to ensure the overall reliability and durability of the equipment. The highly elastic molecular material is a material such as polyurethane or silicone rubber, which has good corrosion resistance and elasticity. The air pipe 31 uses a rigid material such as stainless steel, aluminum alloy, etc., which has high strength and stability, and can ensure that the air pipe 31 is not easily deformed or damaged during use, and can be replaced in time even if it is damaged.

[0057] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0058] Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art will be able to modify the technical solutions described in the aforementioned embodiments or substitute equivalents for some of the technical features. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A floodlight housing aging test device, characterized in that: It comprises a salt spray chamber (1), a storage rack (2) installed in the salt spray chamber (1), and a salt spray generator (3); The storage rack (2) includes an internal storage support body (24) arranged in the salt spray chamber (1) for limiting the position of the outer shell body (25), wherein the outer shell body (25) is in a buckled state. A servo motor (22) is also installed in the salt spray chamber (1) for driving the internal storage support body (24) to move in a circular motion. The salt mist generator (3) comprises an air pipe (31), a salt water pipe (32) and two groups of symmetrical spray towers (33), one group of the spray towers (33) is used for spraying salt mist, and the other group of the spray towers (33) is used for spraying gas; A driving part (4) is provided on the outside of the two groups of spray towers (33) and is connected to the storage rack (2) for driving the two groups of spray towers (33) to tilt at multiple angles to achieve the effect of simulating wind force.

2. The floodlight housing aging test equipment according to claim 1, characterized in that: The storage rack (2) further comprises a storage plate (21) fixed in the salt spray chamber (1); the servo motor (22) is detachably mounted on the lower end of the storage plate (21); a storage support plate (23) is provided on the upper end of the storage plate (21); the storage support plate (23) is fixed to the output end of the servo motor (22); and the storage inner support body (24) is mounted on the upper end of the storage support plate (23).

3. The floodlight housing aging test equipment according to claim 2, characterized in that: The inner support body (24) for placing items includes a shaft (241), a buckling block (243), a buckling axis 1 (244), a buckling axis 2 (245), a deformable sheet (246) and a suction cup (247); The upper end of the shaft (241) is hollow and has a support opening (242) extending downward. The snap-fit ​​block (243) is embedded in the shaft (241). The snap-fit ​​shaft 1 (244) is sleeved with the snap-fit ​​shaft 2 (245). The snap-fit ​​shaft 1 (244) has a reset spring inside. The snap-fit ​​shaft 1 (244) is fixed to the outside of the snap-fit ​​block (243) and extends outward from the support opening (242). The deformable sheet (246) is spherically hinged at the outer end of the second buckle shaft (245), and the suction cup (247) is fixed on the outer side of the deformable sheet (246).

4. The floodlight housing aging test equipment according to claim 3, characterized in that: The deformable sheet (246) and the suction cup (247) are made of a highly elastic molecular material.

5. The floodlight housing aging test equipment according to claim 2, characterized in that: The two groups of spray towers (33) each include a circular sleeve (331) and a circular sleeve (332) that are spherically hinged to each other. The circular sleeve (331) and the circular sleeve (332) are both hollow inside. The circular sleeve (331) is fixed to the air pipe (31). The gas in the air pipe (31) moves outward through the circular sleeve (331) and the circular sleeve (332). The outer side of the circular sleeve (332) of one group of spray towers (33) is connected to the salt water pipe (32) for spraying salt mist.

6. The floodlight housing aging test equipment according to claim 5, characterized in that: The driving portion (4) comprises a driving shaft (41), a connecting shaft (42) and a driving ring (43); an eccentric bayonet (231) is provided on the storage support plate (23); the driving shaft (41) is clamped in the bayonet (231); the connecting shaft (42) is transversely connected to the driving shaft (41); a plurality of driving rings (43) are evenly distributed on the connecting shaft (42) and are integrally formed with the connecting shaft (42); two limiting rings (333) are provided on the outside of the circular sleeve (332); the driving ring (43) is sleeved on the outside of the circular sleeve (332) and is located between the two limiting rings (333).

7. The floodlight housing aging test equipment according to claim 6, characterized in that: There is a gap between the driving ring (43) and the circular sleeve (332), and the driving shaft (41), the connecting shaft (42) and the driving ring (43) are rigid.

8. The floodlight housing aging test equipment according to claim 1, characterized in that: The salt water pipe (32) is made of a highly elastic molecular material, the air pipe (31) is made of a rigid material, and both the air pipe (31) and the salt water pipe (32) are connected to the salt spray chamber (1).

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