A salt spray test device

Abstract

The invention belongs to the technical field of test equipment, and specifically relates to a salt spray test device, comprising a test chamber and a control chamber, wherein the control chamber is provided with a processor, the test chamber is provided with an elliptical inner cavity, a mounting plate is welded to the elliptical inner cavity, a stepless speed regulating fan, a water storage tank and an ultrasonic atomizer are connected to the mounting plate, a rectifier is provided on the other side of the mounting plate, a salt spray collector and a first temperature sensor are provided on the inner wall of the elliptical inner cavity, a drainage groove is provided at the bottom of the elliptical inner cavity, a drainage pipe is connected to the drainage groove, a maintenance plate cover is bolted to the back of the test chamber, a control cabin cover is hinged to the control chamber, a salt solution storage tank is provided in the control chamber, a liquid filling cover is hinged to the upper surface of the control chamber, a water pump is connected to the salt solution storage tank, and the water pump is connected to the water storage tank pipeline. The invention has a simple structure, is convenient to control, is convenient to maintain and overhaul, can not only form uniform and fine salt spray to meet the experimental conditions, but also can accurately detect the test temperature, facilitate adjustment, and improve the test accuracy.

Description

Technical Field

[0001] The invention belongs to the technical field of test equipment, and in particular relates to a salt spray test device. Background Art

[0002] The salt spray corrosion test chamber can assess the ability of materials and their protective layers to resist salt spray corrosion, as well as the process quality comparison of similar protective layers. It can also assess the ability of certain products to resist salt spray corrosion. This product is suitable for salt spray corrosion tests of parts, electronic components, protective layers of metal materials, and industrial products. Many companies need to use salt spray test machines to simulate the destructive effects of the climate around the ocean on products. Most existing salt spray test devices use air pressure injection to form a salt spray environment. The salt spray particles formed in this way are uneven and cannot truly simulate a salt spray environment. Secondly, the use of air pressure injection requires the use of an air compressor and its related structural devices, which increases the cost of the salt spray test and makes the device structure complex and inconvenient to maintain. Summary of the invention

[0003] The purpose of the present invention is to provide a salt spray test device with simple structure, convenient control and easy maintenance and overhaul, which can not only form uniform and fine salt spray to meet the experimental conditions, but also accurately detect the test temperature, facilitate adjustment and improve the test accuracy.

[0004] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows:

[0005] A salt spray test device comprises a test chamber and a control chamber, wherein the test chamber is hinged with a test hatch, the control chamber is provided with a processor, the processor comprises a control panel, the control panel is provided with a display and control buttons, the test chamber is provided with an elliptical inner cavity, a mounting plate is welded to the elliptical inner cavity, a wind speed sensor, a fan bracket, a water storage tank and an ultrasonic atomizer are connected to one side of the mounting plate, three stepless speed regulating fans are connected to the fan bracket, a pipe connected to the ultrasonic atomizer is provided at the lower side of the water storage tank, a first water level sensor and a second water level sensor are provided inside the water storage tank, a rectifier and a first test bracket are provided on the other side of the mounting plate, a first temperature sensor and a second test bracket matching the first test bracket are provided on the inner wall of the elliptical inner cavity, salt spray collectors are provided on both sides of the second test bracket, and the salt spray collector passes through the inner wall of the elliptical inner cavity and is connected to a meter A transparent observation box matching the meter is provided on the outer surface of the test chamber, a drainage groove is provided at the bottom of the elliptical inner cavity, the drainage groove is connected to a drainage pipe, the drainage pipe is connected to a valve, a maintenance panel cover is bolted to the back of the test chamber, the test chamber and the maintenance panel cover are relatively sealed, a control cabin cover is hinged to the control chamber, a salt solution storage box is provided in the control chamber, a liquid filling cover matching the salt solution storage box is hinged to the upper surface of the control chamber, the salt solution storage box is connected to a water pump, the water pump is connected to a water tank pipeline, a semiconductor heater and a second temperature sensor are provided in the salt solution storage box, the power output end of the processor is electrically connected to the stepless speed regulation fan, the ultrasonic atomizer, the semiconductor heater and the water pump, and the signal input end of the processor is connected to the wind speed sensor, the first water level sensor, the second water level sensor, the first temperature sensor and the second temperature sensor signal.

[0006] By adopting the technical solution of the present invention, the stepless speed-regulating fan is made of polytetrafluoroethylene material to avoid being corroded by salt mist and increase the service life; two salt mist collectors collect salt mist at different positions, which is convenient for accurately detecting the concentration of salt mist; the salt solution in the salt solution storage box is poured into the water storage tank through a water pump, and the salt solution automatically flows into the ultrasonic atomizer for atomization through the pipeline at the lower side of the water storage tank; the elliptical inner cavity is separated by a mounting plate, and when the stepless speed-regulating fan rotates, the salt mist in the elliptical inner cavity is circulated and rotated, and the salt mist passes through the rectifier for integration, and the larger salt mist particles are filtered, and only the salt mist particles of qualified size can pass; the salt mist collector is used to collect salt mist, and the salt mist concentration is judged to be up to standard by reading the volume of the salt solution in the meter per unit time; the wind speed sensor is used to monitor wind speed; the salt solution water in the test chamber is discharged through the drainage trough, the drainage pipe and the valve; the first The water level sensor detects the high water level of the water tank, and the second water level sensor detects the low water level of the water tank. When the second water level sensor detects that the water level of the water tank is low, the processor automatically controls the water pump to fill the salt solution into the water tank. When the first water level sensor detects a signal, the water pump stops working. The liquid filling cap is used to add salt solution. The semiconductor heater is used to heat the temperature of the salt solution so that the salt spray temperature meets the test requirements. The second temperature sensor detects the liquid temperature of the salt solution storage tank. When the liquid temperature is consistent with the heating temperature preset by the user through the control panel, the semiconductor heater stops heating. The first temperature sensor is used to detect the salt spray temperature. Since the heat may be lost in the process of heating the salt solution in the salt solution storage tank to form salt spray, the user can adjust the preset heating temperature in time after detecting the temperature of the salt spray through the first temperature sensor. The maintenance panel cover and the control hatch cover are used to facilitate maintenance and repair.

[0007] When in use, the sample is installed through the first test bracket and the second test bracket, the test cabin cover is closed, the salt solution is added through the liquid filling cover, and the heating temperature of the salt solution storage box is preset through the display and control buttons; when the salt solution temperature is heated to the preset value, the water pump is turned on, the salt solution is poured into the water storage tank, and automatically flows into the ultrasonic atomizer through the pipeline for atomization, when the first water level sensor detects the signal of the high water level of the water storage tank, the water pump stops working, and the stepless speed regulating fan is controlled to rotate slowly through the control panel, so that the salt mist passes through the rectifier, the large salt mist particles are filtered out, and the remaining salt mist circulates in the test chamber to form a salt mist environment; the temperature value detected by the first temperature sensor displayed on the display is used to determine whether to adjust the preset heating temperature; the salt mist concentration is determined by reading the volume of the salt solution in the meter per unit time; when it is necessary to observe the internal situation of the test chamber, the stepless speed regulating fan is controlled to rotate quickly through the control panel; the salt mist passes through the rectifier faster, so that the salt mist concentration is reduced, which is convenient for observation;

[0008] After the test is completed, the power supply of the device is turned off and the valve is opened to allow the salt solution in the oval cavity to be discharged through the drain trough and drain pipe;

[0009] The invention has the advantages of simple structure, convenient control and easy maintenance and overhaul, and can not only form uniform and fine salt mist to meet the experimental conditions, but also facilitate the adjustment of the accurate detection test temperature and improve the test accuracy.

[0010] It is further defined that the end surface of the mounting plate is L-shaped. Such a structure is reasonable and easy to use.

[0011] It is further defined that the mounting plate is provided with a rectangular through hole matching the rectifier, and one side of the rectangular through hole is provided with an assembly groove matching the rectifier. Such a structure is convenient for installing the rectifier and has a beautiful appearance.

[0012] It is further defined that the rectifier includes a rectifier plate and a mounting frame matching the assembly groove, the rectifier is bolted to the mounting plate through the mounting frame, and the rectifier plate is provided with a plurality of fine holes. With such a structure, the rectifier has a reasonable structure and is easy to install.

[0013] It is further defined that the wind speed sensor is connected to a sensor bracket, the sensor bracket is L-shaped, and the sensor bracket is fixedly connected to the mounting plate. Such a structure facilitates the installation of the wind speed sensor.

[0014] It is further defined that the fan bracket is connected to a fan power adapter that matches the stepless speed regulating fan. Such a structure centralizes the wires of the fan bracket, making it easy to maintain and overhaul.

[0015] It is further defined that the salt mist collector is arranged vertically. Such a structure is reasonable, and the salt mist is collected by automatically settling the salt mist, and the concentration of the salt mist can be accurately measured.

[0016] It is further defined that the test chamber and the maintenance panel cover are sealed by glass glue. Such a structure makes the test chamber and the maintenance panel cover sealed and detachable.

[0017] It is further defined that the test chamber is provided with a water sealing groove matching the test hatch cover. Such a structure uses water sealing to prevent salt mist from escaping from the elliptical inner cavity through the test hatch cover, thereby improving the test accuracy.

[0018] It is further defined that the lower sides of the test chamber and the control chamber are both provided with support feet, and the lower surfaces of the support feet are provided with anti-skid pads. Such a structure prevents the salt spray test device from sliding.

[0019] Compared with the prior art, the present invention has the following advantages:

[0020] 1. Simple structure, reducing the number of air compressors and related structural devices, reducing costs and floor space;

[0021] 2. Simple operation and convenient control. You only need to adjust the salt spray temperature according to the ambient temperature to reduce the difficulty of operation;

[0022] 3. Use the temperature detection device to detect the test temperature at all times to improve the test accuracy;

[0023] 4. The ultrasonic atomizer, rectifier and stepless speed-adjustable fan cooperate to form uniform and fine salt mist, thus improving the test accuracy;

[0024] 5. Maintenance panel cover and control hatch cover are provided for easy maintenance; BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

[0026] Figure 1 A schematic diagram of the structure of a salt spray test device according to an embodiment of the present invention Figure 1 ;

[0027] Figure 2 for Figure 1 A schematic diagram of the structure enlargement at the center A;

[0028] Figure 3 A schematic diagram of the structure of a salt spray test device according to an embodiment of the present invention Figure 2 ;

[0029] Figure 4 A schematic diagram of the local structure of a salt spray test device embodiment of the present invention Figure 1 ;

[0030] Figure 5 A schematic diagram of the local structure of a salt spray test device embodiment of the present invention Figure 2 ;

[0031] Figure 6 A schematic diagram of the local structure of a salt spray test device embodiment of the present invention Figure 3 ;

[0032] The main component symbols are described as follows:

[0033] Test chamber 1, test hatch cover 11, elliptical inner cavity 12, second test bracket 121, salt spray collector 122, first temperature sensor 123, drainage groove 124, transparent observation box 13, water sealing groove 14, control chamber 2, control panel 21, display 211, control button 212, control hatch cover 22, filling cover 23, mounting plate 3, wind speed sensor 31, sensor bracket 311, fan bracket 32, stepless speed regulating fan 321, fan power adapter 322, water storage tank 33, pipeline 331, ultrasonic atomizer 34, rectifier 35, rectifier plate 351, mounting frame 352, fine hole 353, first test bracket 36, assembly groove 37, drainage pipe 4, valve 41, maintenance plate cover 5, support foot 6. DETAILED DESCRIPTION

[0034] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0035] like Figure 1-6As shown, a salt spray test device of the present invention comprises a test chamber 1 and a control chamber 2, wherein the test chamber 1 is hingedly connected with a test chamber cover 11, the control chamber 2 is provided with a processor, the processor comprises a control panel 21, the control panel 21 is provided with a display 211 and a control button 212, the test chamber 1 is provided with an elliptical inner cavity 12, the elliptical inner cavity 12 is welded with a mounting plate 3, a wind speed sensor 31, a fan bracket 32, a water storage tank 33 and an ultrasonic atomizer 34 are connected to one side of the mounting plate 3, three stepless speed regulating fans 321 are connected to the fan bracket 32, a pipe 331 connected to the ultrasonic atomizer 34 is provided at the lower side of the water storage tank 33, a first water level sensor and a second water level sensor are provided inside the water storage tank 33, a rectifier 35 and a first test bracket 36 are provided on the other side of the mounting plate 3, a first temperature sensor 123 and a second test bracket 121 matching the first test bracket 36 are provided on the inner wall of the elliptical inner cavity 12, salt spray collectors 122 are provided on both sides of the second test bracket 121, and the salt spray collectors 122 runs through the inner wall of the elliptical inner cavity 12 and is connected to a meter. A transparent observation box 13 matching the meter is provided on the outer surface of the test chamber 1. A drainage groove 124 is provided at the bottom of the elliptical inner cavity 12. The drainage groove 124 is connected to a drainage pipe 4. The drainage pipe 4 is connected to a valve 41. A maintenance panel cover 5 is bolted to the back of the test chamber 1. The test chamber 1 and the maintenance panel cover 5 are relatively sealed. A control hatch 22 is hingedly connected to the control chamber 2. A salt solution storage box is provided in the control chamber 2. A liquid filling cover 23 matching the salt solution storage box is hingedly connected to the upper surface of the control chamber 2. The salt solution storage box is connected to a water pump. The water pump is connected to the water storage tank 33 through a pipeline. A semiconductor heater and a second temperature sensor are provided in the salt solution storage box. The power output end of the processor is electrically connected to the stepless speed regulation fan 321, the ultrasonic atomizer 34, the semiconductor heater and the water pump. The signal input end of the processor is connected to the wind speed sensor 31, the first water level sensor, the second water level sensor, the first temperature sensor 123 and the second temperature sensor signal.

[0036] According to the technical solution of the present invention, the stepless speed regulating fan 321 is made of polytetrafluoroethylene material to avoid corrosion by salt mist and increase the service life; two salt mist collectors 122 collect salt mist at different positions, which is convenient for accurately detecting the concentration of salt mist; the salt solution in the salt solution storage box is poured into the water storage tank 33 through a water pump, and the salt solution automatically flows into the ultrasonic atomizer 34 through the pipeline 331 at the lower side of the water storage tank 33 for atomization; the elliptical inner cavity 12 is separated by the mounting plate 3, and when the stepless speed regulating fan 321 rotates, the salt mist in the elliptical inner cavity 12 is circulated and rotated, and the salt mist passes through the rectifier 35 for integration, and the larger salt mist particles are filtered, and only the salt mist particles of qualified size can pass; the salt mist collector 122 is used to collect salt mist, and the salt mist concentration is judged to be up to standard by reading the volume of the salt solution in the meter per unit time; the wind speed sensor 31 is used to monitor wind; the salt solution water in the test chamber 1 is discharged through the drainage groove 124, the drainage pipe 4 and the valve 41; The first water level sensor in the water tank 33 detects the high water level of the water tank 33, and the second water level sensor detects the low water level of the water tank 33. When the second water level sensor detects that the water level of the water tank 33 is low, the processor automatically controls the water pump to fill the salt solution into the water tank 33. When the first water level sensor detects a signal, the water pump stops working; the liquid filling cap 23 is used to add salt solution; the semiconductor heater is used to heat the temperature of the salt solution so that the salt spray temperature meets the test requirements. The second temperature sensor detects the liquid temperature of the salt solution storage tank. When the liquid temperature is consistent with the heating temperature preset by the user through the control panel 21, the semiconductor heater stops heating. The first temperature sensor 123 is used to detect the salt spray temperature. Since the heat may be lost in the process of the salt solution in the salt solution storage tank from being heated to forming salt spray, the user can timely adjust the preset heating temperature after the temperature of the salt spray is detected by the first temperature sensor 123; the maintenance panel cover 5 and the control hatch cover 22 are used to facilitate maintenance and repair;

[0037] When in use, the sample is installed through the first test bracket 36 and the second test bracket 121, the test cabin cover 11 is closed, the salt solution is added through the liquid filling cover 23, and the heating temperature of the salt solution storage tank is preset through the display 211 and the control button 212; when the salt solution temperature is heated to the preset value, the water pump is turned on, the salt solution is poured into the water storage tank 33, and automatically flows into the ultrasonic atomizer 34 through the pipeline 331 for atomization; when the first water level sensor detects a signal of a high water level in the water storage tank 33, the water pump stops working, and the stepless speed regulating fan 32 is controlled by the control panel 21. 1 rotates slowly to make the salt mist pass through the rectifier 35, large salt mist particles are filtered out, and the remaining salt mist circulates in the test chamber 1 to form a salt mist environment; through the temperature value detected by the first temperature sensor 123 displayed on the display 211, it is judged whether to adjust the preset heating temperature; by reading the volume of the salt solution in the meter per unit time, it is judged whether the salt mist concentration meets the standard; when it is necessary to observe the internal situation of the test chamber 1, the control panel 21 is used to control the stepless speed regulation fan 321 to rotate quickly; the salt mist passes through the rectifier 35 faster, so that the salt mist concentration is reduced, which is convenient for observation;

[0038] After the test is completed, the power supply of the device is turned off and the valve 41 is opened to allow the saline solution in the oval inner cavity 12 to be discharged through the drainage groove 124 and the drainage pipe 4;

[0039] The invention has the advantages of simple structure, convenient control and easy maintenance and overhaul, and can not only form uniform and fine salt mist to meet the experimental conditions, but also facilitate the adjustment of the accurate detection test temperature and improve the test accuracy.

[0040] Preferably, the end face of the mounting plate 3 is L-shaped. Such a structure is reasonable and easy to use. In fact, other shapes of the end face of the mounting plate 3 can also be considered according to specific circumstances.

[0041] Preferably, the mounting plate 3 is provided with a rectangular through hole matching the rectifier 35, and one side of the rectangular through hole is provided with a mounting groove 37 matching the rectifier 35. Such a structure is convenient for installing the rectifier 35 and has a beautiful appearance. In fact, the mounting plate 3 may also be considered to use other structures to facilitate the installation of the rectifier 35 according to specific circumstances.

[0042] Preferably, the rectifier 35 includes a rectifier plate 351 and a mounting frame 352 matching the assembly groove 37. The rectifier 35 is bolted to the mounting plate 3 through the mounting frame 352. The rectifier plate 351 is provided with a plurality of fine holes 353. With such a structure, the rectifier 35 has a reasonable structure and is easy to install. In fact, the rectifier 35 may also be considered to use other structural shapes according to specific circumstances.

[0043] Preferably, the wind speed sensor 31 is connected to a sensor bracket 311, the sensor bracket 311 is L-shaped, and the sensor bracket 311 is fixedly connected to the mounting plate 3. Such a structure facilitates the installation of the wind speed sensor 31. In fact, other brackets can also be used to install the wind speed sensor 31 according to specific circumstances.

[0044] Preferably, the fan bracket 32 ​​is connected to a fan power adapter 322 that matches the stepless speed regulating fan 321. Such a structure centralizes the wires of the fan bracket 32 ​​for easy maintenance and repair. In fact, other structures can also be considered to centralize the wires of the fan bracket 32 ​​for easy maintenance and repair according to specific circumstances.

[0045] Preferably, the salt mist collector 122 is vertically arranged. Such a structure is reasonable, and the salt mist is collected by the automatic settling of the salt mist, and the concentration of the salt mist can be accurately measured. In fact, the salt mist collector 122 can also be considered to use other inclination angles according to specific circumstances.

[0046] Preferably, the test chamber 1 and the maintenance panel cover 5 are sealed by glass glue. Such a structure makes the test chamber 1 and the maintenance panel cover 5 sealed and removable. In fact, other structures can also be considered to be sealed between the test chamber 1 and the maintenance panel cover 5 according to specific circumstances.

[0047] Preferably, the test chamber 1 is provided with a water sealing groove 14 that matches the test chamber cover 11. Such a structure uses water sealing to prevent salt mist from escaping from the elliptical inner cavity 12 through the test chamber cover 11, thereby improving the test accuracy. In fact, other structural seals can also be used between the test chamber 1 and the test chamber cover 11 according to specific circumstances.

[0048] Preferably, the lower sides of the test chamber 1 and the control chamber 2 are both provided with support feet 6, and the lower surface of the support feet 6 is provided with anti-skid pads. Such a structure prevents the salt spray test device from sliding. In fact, other anti-skid structures can also be considered according to specific circumstances.

[0049] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A salt spray test device, comprising a test chamber (1) and a control chamber (2), wherein the test chamber (1) is hingedly connected with a test chamber cover (11), the control chamber (2) is provided with a processor, the processor comprises a control panel (21), the control panel (21) is provided with a display (211) and control buttons (212), characterized in that: The test chamber (1) is provided with an elliptical inner cavity (12), a mounting plate (3) is welded to the elliptical inner cavity (12), a wind speed sensor (31), a fan bracket (32), a water storage tank (33) and an ultrasonic atomizer (34) are connected to one side of the mounting plate (3), the fan bracket (32) is connected to three stepless speed regulating fans (321), a pipe (331) connected to the ultrasonic atomizer (34) is provided at the lower side of the water storage tank (33), a first water level sensor and a first water level sensor are provided inside the water storage tank (33), and a wind speed sensor (31) and a fan bracket (32) are connected to the water storage tank (33). A second water level sensor, a rectifier (35) and a first test bracket (36) are provided on the other side of the mounting plate (3), a first temperature sensor (123) and a second test bracket (121) matching the first test bracket (36) are provided on the inner wall of the elliptical inner cavity (12), salt mist collectors (122) are provided on both sides of the second test bracket (121), the salt mist collectors (122) penetrate the inner wall of the elliptical inner cavity (12) and are connected to a meter, and a transparent material matching the meter is provided on the outer surface of the test chamber (1). The observatory box (13) is provided with a drainage groove (124) at the bottom of the elliptical inner cavity (12), the drainage groove (124) is connected to a drainage pipe (4), the drainage pipe (4) is connected to a valve (41), the back of the test chamber (1) is bolted to a maintenance plate cover (5), the test chamber (1) and the maintenance plate cover (5) are relatively sealed, the control chamber (2) is hinged to a control hatch cover (22), a salt solution storage box is provided in the control chamber (2), and a valve (41) is hinged on the upper surface of the control chamber (2) to be connected to the salt solution storage box. A matching liquid filling cap (23), the salt solution storage box is connected to a water pump, the water pump is connected to the water storage tank (33) by a pipeline, a semiconductor heater and a second temperature sensor are arranged in the salt solution storage box, the processor power supply output end is electrically connected to the stepless speed regulating fan (321), the ultrasonic atomizer (34), the semiconductor heater and the water pump, and the processor signal input end is connected to the wind speed sensor (31), the first water level sensor, the second water level sensor, the first temperature sensor (123) and the second temperature sensor signal; The end surface of the mounting plate (3) is L-shaped; The mounting plate (3) is provided with a rectangular through hole matching the rectifier (35), and one side of the rectangular through hole is provided with a mounting groove (37) matching the rectifier (35); The rectifier (35) comprises a rectifier plate (351) and a mounting frame (352) matching the assembly groove (37); the rectifier (35) is bolted to the mounting plate (3) via the mounting frame (352); and the rectifier plate (351) is provided with a plurality of fine holes (353); When in use, the sample is installed through the first test bracket and the second test bracket, the test cabin cover is closed, the salt solution is added through the liquid filling cover, and the heating temperature of the salt solution storage tank is preset through the display and the control button; when the temperature of the salt solution is heated to the preset value, the water pump is turned on, the salt solution is poured into the water storage tank, and automatically flows into the ultrasonic atomizer through the pipeline for atomization, when the first water level sensor detects the signal of the high water level of the water storage tank, the water pump stops working, and the stepless speed regulating fan is controlled to rotate slowly through the control panel, so that the salt mist passes through the rectifier, the large salt mist particles are filtered out, and the remaining salt mist circulates in the test chamber to form a salt service environment; through the temperature value detected by the first temperature sensor displayed on the display, it is judged whether to adjust the preset heating temperature; by reading the volume of the salt solution in the meter per unit time, it is judged whether the salt mist concentration meets the standard; when it is necessary to observe the internal situation of the test chamber, the stepless speed regulating fan is controlled to rotate quickly through the control panel; the salt mist passes through the rectifier faster, so that the salt mist concentration is reduced, which is convenient for observation; after the test is completed, the power supply of the device is turned off, and the valve is opened to discharge the salt solution in the elliptical cavity through the drain trough and the drain pipe.

2. A salt spray test device according to claim 1, characterized in that: The wind speed sensor (31) is connected to a sensor bracket (311), the sensor bracket (311) is L-shaped, and the sensor bracket (311) is fixedly connected to the mounting plate (3).

3. A salt spray test device according to claim 1, characterized in that: The fan bracket (32) is connected to a fan power adapter (322) that matches the stepless speed regulation fan (321).

4. A salt spray test device according to claim 1, characterized in that: The salt mist collector (122) is arranged vertically.

5. A salt spray test device according to claim 1, characterized in that: The test chamber (1) and the maintenance panel cover (5) are sealed by glass glue.

6. A salt spray test device according to claim 1, characterized in that: The test chamber (1) is provided with a water sealing groove (14) matching the test chamber cover (11).

7. A salt spray test device according to claim 1, characterized in that: The lower sides of the test chamber (1) and the control chamber (2) are both provided with support feet (6), and the lower surfaces of the support feet (6) are provided with anti-slip pads.

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