Uniform humidifying device for salt spray test box

Abstract

The utility model discloses a uniform humidifying device for a salt spray test box, and relates to the technical field of test boxes. Comprising a test box, the outer wall of the test box is fixedly connected with a control box, the top of the test box is rotatably connected with an upper cover body, the upper cover body is of an inverted V-shaped structure, rectangular grooves are symmetrically formed in the outer wall of the top of the upper cover body, the inner walls of the rectangular grooves are fixedly connected with PVC plates, and the inner wall of the upper cover body is provided with a humidifying assembly; the humidifying assembly comprises two triangular supports, a ring pipe is arranged between the two triangular supports, and the outer wall of the ring pipe is fixedly connected with a positioning block. Installation conditions are provided for the ring pipe and the flow guide pipe through the tripod, the water pipe and the ring pipe are communicated through the flow guide pipe, during testing, after the cover body is covered and saline water is introduced into the ring pipe, the atomizing nozzles on the ring pipe are distributed in an equidistant array mode, and when the saline water is atomized through the atomizing nozzles on the ring pipe, the internal environment of the test box can be evenly humidified.

Description

Technical Field

[0001] The utility model relates to the technical field of test chambers, in particular to a uniform humidifying device for a salt spray test chamber. Background Technique

[0002] Equipment or devices working in high-salt and high-humidity environments need to undergo salt spray corrosion tests to examine their resistance to salt spray corrosion. A salt spray test chamber is a device that uses a simulated salt spray environment to evaluate the corrosion resistance of metal materials and their protective layers or industrial products, mainly to simulate an ideal experimental environment required for accelerated corrosion for experimenters.

[0003] Existing salt spray test chambers usually use an internal spray tower to atomize and humidify the inside of the chamber to achieve the effect of simulating the environment inside the test chamber. However, since the spray tower is usually set in the middle of the chamber, the spraying range is limited, which easily causes uneven humidification inside the test chamber and affects the accuracy of the test. Content of the Utility Model

[0004] The purpose of the utility model is to provide a uniform humidifying device for a salt spray test chamber, which solves the technical problems put forward in the background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A uniform humidifying device for a salt spray test chamber, including a test chamber, the outer wall of the test chamber is fixedly connected with a control box, the top of the test chamber is rotatably connected with an upper cover body, the upper cover body is of an inverted V-shaped structure, rectangular grooves are symmetrically opened on the outer wall of the top of the upper cover body, a PVC board is fixedly connected to the inner wall of the rectangular groove, and a humidifying component is arranged on the inner wall of the upper cover body;

[0006] The humidifying component includes two triangular frames, a ring pipe is arranged between the two triangular frames, positioning blocks are fixedly connected to the outer wall of the ring pipe, the outer wall of the positioning block is fixedly connected to the inner wall of the triangular frame, the outer wall of the ring pipe is fixedly connected to the inner wall of the positioning block, the two triangular frames are connected by the ring pipe, a plurality of spray holes are opened on the ring pipe, atomizing nozzles are arranged on the inner walls of the plurality of spray holes, and positioning components are arranged on both of the triangular frames.

[0007] Preferably, a brine tank is fixedly connected to the bottom of the inner wall of the test chamber, a filter is arranged on the top of the brine tank, a water pump is fixedly connected inside the filter, the top end of the filter is fixedly connected with a spray system, and the input end of the spray system is connected to the port of the water pump.

[0008] Preferably, a diversion pipe is fixedly connected to the outer wall of the positioning block, the diversion pipe is communicated with the ring pipe, a water pipe is fixedly connected to the outer wall of the diversion pipe, and the end of the water pipe far away from the diversion pipe is connected to the port of the water pump.

[0009] Preferably, circular grooves are formed on the outer side walls of both of the two tripod stands. The positioning assembly includes a telescopic rod and a spring fixedly connected to the inner wall of the circular groove. The spring is located outside the telescopic rod. One end of the telescopic rod away from the circular groove is fixedly connected with a clamping block, and one end of the spring away from the circular groove is connected to the clamping block.

[0010] Preferably, a circular hole is formed in the upper cover body. The clamping block is clamped with the circular hole. A pressing block is rotatably connected to the outer wall of the upper cover body and is located outside the circular hole.

[0011] Preferably, a heating pipe is fixedly connected to the bottom of the inner wall of the test chamber, and a plurality of storage racks are fixedly connected to the top of the inner wall of the test chamber.

[0012] Compared with the related art, a uniform humidifying device for a salt spray test chamber provided by the present utility model has the following beneficial effects:

[0013] 1. The tripod stand provides an installation condition for the annular pipe and the diversion pipe. The diversion pipe conducts the water pipe and the annular pipe. During the test, after the upper cover body is covered and the brine is introduced into the annular pipe, the atomizing nozzles on the annular pipe are equidistantly arranged in an array. When the brine is atomized by the atomizing nozzles on the annular pipe, the internal environment of the test chamber can be uniformly humidified.

[0014] 2. The main body of the humidifying assembly is composed of a tripod stand, an annular pipe and an atomizing nozzle. The tripod stand is clamped inside the upper cover body through the positioning assembly, so that the humidifying assembly and the upper cover body are assembled and installed in a clamping manner, which is simple to disassemble and assemble and is convenient for later maintenance and repair. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 is a schematic structural diagram of the present utility model;

[0016] Figure 2 is a schematic structural diagram of the upper cover body of the present utility model;

[0017] Figure 3 is a top view of the present utility model;

[0018] Figure 4 is a schematic structural diagram of the annular pipe of the present utility model;

[0019] Figure 5 is a schematic structural diagram of the rectangular groove of the present utility model;

[0020] Figure 6 is of the present utility model Figure 4 enlarged view of part A;

[0021] Figure 7 is of the present utility model Figure 5 enlarged view of part B.

[0022] In the figure: 1. Test chamber; 2. Upper cover; 3. Rectangular groove; 4. PVC board; 5. Tripod; 6. Positioning block; 7. Ring pipe; 8. Diversion pipe; 9. Spray system; 10. Spray hole; 11. Storage rack; 12. Round groove; 13. Telescopic rod; 14. Spring; 15. Block; 16. Round hole; 17. Press block; 18. Control box; 19. Brine tank; 20. Filter; 21. Water pipe; 22. Heating pipe. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments; based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0024] Example:

[0025] See also Figures 1-7 The utility model provides a technical solution: a uniform humidifying device for a salt spray test chamber, comprising a test chamber 1, wherein the outer wall of the test chamber 1 is fixedly connected to a control box 18, the top of the test chamber 1 is rotatably connected to an upper cover 2, the upper cover 2 is an inverted V-shaped structure, the top outer wall of the upper cover 2 is symmetrically provided with rectangular grooves 3, the inner wall of the rectangular groove 3 is fixedly connected to a PVC plate 4, a humidifying component is provided on the inner wall of the upper cover 2, the upper cover 2 is designed to be an inverted V-shaped structure to prevent condensed water from dripping on the sample, the PVC plate 4 is made of a transparent plastic material PVC, which is not only environmentally friendly but also has good anti-corrosion performance, and is convenient for operators to observe the sample in the test chamber 1 in real time when conducting a salt spray test;

[0026] The humidifying assembly includes two tripods 5, an annular tube 7 is provided between the two tripods 5, the outer wall of the annular tube 7 is fixedly connected to a positioning block 6, the outer wall of the positioning block 6 is fixedly connected to the inner wall of the tripod 5, the outer wall of the annular tube 7 is fixedly connected to the inner wall of the positioning block 6, the two tripods 5 are connected by the annular tube 7, a plurality of spray holes 10 are opened on the annular tube 7, and the inner walls of the plurality of spray holes 10 are all provided with atomizing nozzles;

[0027] The two tripods 5 are each provided with a positioning assembly. The outer wall of the positioning block 6 is fixedly connected to a guide pipe 8. The guide pipe 8 is communicated with the ring pipe 7. The outer wall of the guide pipe 8 is fixedly connected to a water pipe 21. The end of the water pipe 21 away from the guide pipe 8 is connected to the port of the water pump.

[0028] The outer side walls of both tripod supports 5 are provided with circular grooves 12. The positioning assembly includes a telescopic rod 13 and a spring 14 fixedly connected to the inner wall of the circular groove 12. The spring 14 is located outside the telescopic rod 13. One end of the telescopic rod 13 away from the circular groove 12 is fixedly connected with a clamping block 15. One end of the spring 14 away from the circular groove 12 is connected to the clamping block 15. A circular hole 16 is formed in the upper cover body 2. The clamping block 15 is clamped with the circular hole 16. A pressing block 17 is rotatably connected to the outer wall of the upper cover body 2. The pressing block 17 is located outside the circular hole 16. When the clamping block 15 pops out, its outer wall abuts against the inner wall of the pressing block 17, enabling the pressing block 17 to limit the clamping block 15;

[0029] Before the test, the tripod support 5 is installed inside the upper cover body 2 through the positioning assembly. During installation, the clamping block 15 is pressed to contract the telescopic rod 13. When the tripod support 5 moves to the set area, the clamping block 15 is exactly aligned with the circular hole 16. The clamping block 15 is pushed outwards by the elastic force of the spring 14, forming a clamping connection between the tripod support 5 and the upper cover body 2. The disassembly and assembly are simple, facilitating later maintenance and repair. The tripod support 5 provides an installation condition for the annular pipe 7 and the diversion pipe 8. The water pipe 21 is conducted with the annular pipe 7 through the diversion pipe 8, enabling the brine in the brine tank 19 to be introduced into the annular pipe 7. The brine is atomized through the atomizing nozzles on the annular pipe 7. The annular pipe 7 is symmetrically installed inside the upper cover body 2. During the test, the sample is placed on the storage rack 11, and the cover body 2 is covered. The operation of the device is controlled by the control panel on the control box 18. The test chamber 1 is sprayed with salt mist through the spray system 9. After the brine is introduced into the annular pipe 7, the sprayed brine is atomized by the annular pipe 7, and the atomizing nozzles on the annular pipe 7 are equally spaced in an array, capable of humidifying the internal environment of the test chamber 1 more evenly. After setting the temperature, time, and pressure, the samples in the chamber can be tested;

[0030] A brine tank 19 is fixedly connected to the bottom of the inner wall of the test chamber 1. A filter 20 is arranged on the top of the brine tank 19. A water pump is fixedly connected inside the filter 20. The top end of the filter 20 is fixedly connected with a spray system 9. The input end of the spray system 9 is connected to the port of the water pump. The filtering function is achieved through the filter 20. During the test, powered by the water pump, the brine in the chamber can be pumped into the spray system 9 and the annular pipe 7;

[0031] A heating pipe 22 is fixedly connected to the bottom of the inner wall of the test chamber 1. A plurality of storage racks 11 are fixedly connected to the top of the inner wall of the test chamber 1. The heating pipe 22 can heat the brine inside the test chamber 1. The storage racks 11 are used to place samples.

[0032] Working principle: Before testing, the tripod 5 is installed on the inner side of the upper cover 2 through the positioning assembly. During installation, press the card block 15 to retract the telescopic rod 13. When the tripod 5 moves to the set area, the card block 15 is aligned with the circular hole 16. The card block 15 is pushed outward by the elastic force of the spring 14, so that a card connection is formed between the tripod 5 and the upper cover 2. The disassembly and assembly are simple. The tripod 5 provides installation conditions for the annular pipe 7 and the guide pipe 8. The water pipe 21 is connected to the annular pipe 7 through the guide pipe 8, so that the brine in the brine tank 19 can flow into the annular pipe. 7, the salt water is atomized by the atomizing nozzle on the ring tube 7. During the test, the sample is placed on the shelf 11 and covered with the cover 2. The control device is operated through the control panel on the control box 18, and the salt mist is sprayed on the inside of the test box 1 through the spray system 9. After the salt water is introduced into the ring tube 7, the sprayed salt water is atomized by the ring tube 7, and the atomizing nozzles on the ring tube 7 are evenly distributed in an array, which can humidify the internal environment of the test box 1 more evenly. After setting the temperature, time and pressure, the sample in the box can be tested.

[0033] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An evenly humidifying device for a salt spray test chamber, comprising a test chamber (1), characterized in that: The outer wall of the test chamber (1) is fixedly connected with a control box (18). The top of the test chamber (1) is rotatably connected with an upper cover body (2). The upper cover body (2) is of an inverted V-shaped structure. Rectangular grooves (3) are symmetrically formed on the outer wall of the top of the upper cover body (2). A PVC board (4) is fixedly connected to the inner wall of the rectangular groove (3). A humidifying component is arranged on the inner wall of the upper cover body (2). The humidifying component includes two triangular frames (5). An annular pipe (7) is arranged between the two triangular frames (5). A positioning block (6) is fixedly connected to the outer wall of the annular pipe (7). The outer wall of the positioning block (6) is fixedly connected to the inner wall of the triangular frame (5). The outer wall of the annular pipe (7) is fixedly connected to the inner wall of the positioning block (6). The two triangular frames (5) are connected by the annular pipe (7). A number of spray holes (10) are formed in the annular pipe (7). Atomizing nozzles are arranged on the inner walls of the number of spray holes (10). Positioning components are arranged on both of the two triangular frames (5).

2. The uniform humidifying device for a salt spray test chamber according to claim 1, wherein: A brine tank (19) is fixedly connected to the bottom of the inner wall of the test chamber (1). A filter (20) is arranged on the top of the brine tank (19). A water pump is fixedly connected inside the filter (20). A spray system (9) is fixedly connected to the top end of the filter (20). The input end of the spray system (9) is connected to the port of the water pump.

3. The uniform humidifying device for a salt spray test chamber according to claim 1, wherein: A diversion pipe (8) is fixedly connected to the outer wall of the positioning block (6). The diversion pipe (8) is communicated with the annular pipe (7). A water pipe (21) is fixedly connected to the outer wall of the diversion pipe (8). The end of the water pipe (21) far away from the diversion pipe (8) is connected to the port of the water pump.

4. The uniform humidifying device for a salt spray test chamber according to claim 1, characterized in that: Circular grooves (12) are formed on the outer side walls of both of the two triangular frames (5). The positioning component includes a telescopic rod (13) and a spring (14) fixedly connected to the inner wall of the circular groove (12). The spring (14) is located outside the telescopic rod (13). The end of the telescopic rod (13) far away from the circular groove (12) is fixedly connected with a clamping block (15). The end of the spring (14) far away from the circular groove (12) is connected to the clamping block (15).

5. The uniform humidifying device for a salt spray test chamber according to claim 4, characterized in that: A circular hole (16) is formed in the upper cover body (2). The clamping block (15) is clamped with the circular hole (16). A pressing block (17) is rotatably connected to the outer wall of the upper cover body (2). The pressing block (17) is located outside the circular hole (16).

6. The uniform humidifying device for a salt spray test chamber according to claim 1, wherein: A heating pipe (22) is fixedly connected to the bottom of the inner wall of the test chamber (1). A number of storage racks (11) are fixedly connected to the top of the inner wall of the test chamber (1).

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