CN211318142U

CN211318142U - Salt spray test device

Info

Publication number: CN211318142U
Application number: CN201921711153.1U
Authority: CN
Inventors: 明敬; 冯原; 黄兴; 陈银; 彭伟平
Original assignee: Chongqing Atec Environmental Reliability Testing Technology Co ltd
Current assignee: Chongqing Atec Environmental Reliability Testing Technology Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-08-21
Anticipated expiration: 2029-10-14

Abstract

The utility model belongs to the technical field of test equipment, in particular to a salt spray test device, which comprises a test chamber and a control chamber, wherein the control chamber is provided with a processor, the test chamber is provided with an oval inner chamber, the oval inner chamber is welded with a mounting plate, the mounting plate is connected with a stepless speed regulation fan, a water storage tank and an ultrasonic atomizer, the other side of the mounting plate is provided with a rectifier, the inner wall of the oval inner chamber is provided with a salt spray collector and a first temperature sensor, the bottom of the oval inner chamber is provided with a water drainage tank which is connected with a water drainage pipe, the back of the test chamber is bolted with a maintenance plate cover, the control chamber is hinged with a control chamber cover, a saline solution storage tank is arranged in the control chamber, the upper surface of the control chamber is hinged with a liquid feeding cover, the saline solution storage tank is connected with a water, the experiment condition is met, the accurate detection and test temperature is convenient to adjust, and the test precision is improved.

Description

Salt spray test device

Technical Field

The utility model belongs to the technical field of test equipment, concretely relates to salt fog test device.

Background

The salt spray corrosion test box can simultaneously test the salt spray corrosion resistance of certain products by testing the salt spray corrosion resistance of materials and protective layers thereof and comparing the process quality of similar protective layers, the product is suitable for salt spray corrosion tests of parts, electronic elements, protective layers of metal materials and industrial products, and many enterprise products need to simulate the destructiveness of products caused by the ocean peripheral climate by virtue of a salt spray tester. The existing salt spray test device mostly adopts an air pressure spraying method to form a salt spray environment, so that the formed salt spray particles are not uniform and can not truly simulate the salt spray environment; secondly, the air pressure injection method needs to use an air compressor and a related structural device, so that the cost of the salt spray test is increased, and the device is complex in structure and inconvenient to maintain.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the salt spray testing device is simple in structure, convenient to control, convenient to maintain and overhaul, capable of forming uniform and fine salt spray, capable of meeting experimental conditions, capable of accurately detecting and testing temperature and convenient to adjust, and capable of improving testing precision.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

a salt spray test device comprises a test chamber and a control chamber, wherein the test chamber is hinged with a test chamber cover, the control chamber is provided with a processor, the processor comprises a control panel, the control panel is provided with a display and a control button, the test chamber is provided with an oval inner chamber, the oval inner chamber is welded with a mounting plate, one side of the mounting plate is connected with a wind speed sensor, a fan bracket, a water storage tank and an ultrasonic atomizer, the fan bracket is connected with three stepless speed regulating fans, a pipeline connected with the ultrasonic atomizer is arranged on the lower side of the water storage tank, a first water level sensor and a second water level sensor are arranged in the water storage tank, a rectifier and a first test bracket are arranged on the other side of the mounting plate, a first temperature sensor and a second test bracket matched with the first test bracket are arranged on the inner wall of the oval inner chamber, salt spray collectors are arranged on two sides of the second, the salt mist collector penetrates through the inner wall of the oval inner cavity and is connected with a meter, the outer surface of the test chamber is provided with a transparent observation box matched with the meter, the bottom of the oval inner cavity is provided with a water drainage groove which is connected with a water drainage pipe, the water drainage pipe is connected with a valve, the back of the test chamber is in bolted connection with a maintenance plate cover, the test chamber and the maintenance plate cover are relatively sealed, the control chamber is hinged with a control chamber cover, a saline solution storage box is arranged in the control chamber, the upper surface of the control chamber is hinged with a liquid adding cover matched with the saline solution storage box, the saline solution storage box is connected with a water pump, the water pump is connected with a water storage box pipeline, a semiconductor heater and a second temperature sensor are arranged in the saline solution storage box, the power output end, and the signal input end of the processor is in signal connection with the wind speed sensor, the first water level sensor, the second water level sensor, the first temperature sensor and the second temperature sensor.

By adopting the technical scheme of the utility model, the stepless speed regulation fan is made of polytetrafluoroethylene materials, thereby avoiding the corrosion of salt fog and prolonging the service life; the two salt mist collectors collect the salt mist at different positions, so that the salt mist concentration can be accurately detected conveniently; saline solution in the saline solution storage tank is filled into the water storage tank through the water pump, and automatically flows into the ultrasonic atomizer for atomization through a pipeline on the lower side of the water storage tank; the oval inner cavity is separated by the mounting plate, when the stepless speed regulation fan rotates, salt mist in the oval inner cavity circularly rotates, the salt mist passes through the rectifier to be integrated, larger salt mist particles are filtered, and only the salt mist particles with qualified sizes can pass through the rectifier; the salt spray collector is used for collecting salt spray and judging whether the salt spray concentration reaches the standard or not by reading the volume of the salt solution in the meter in unit time; the wind speed sensor is used for monitoring the customs; draining the accumulated salt solution in the test bin through the cooperation of a drainage groove, a drainage pipe and a valve; when the second water level sensor detects that the water level of the water storage tank is lower, the processor automatically controls the water pump to work to enable the saline solution to be filled into the water storage tank, and when the first water level sensor detects a signal, the water pump stops working; the liquid adding cover is used for adding salt solution; the semiconductor heater is used for heating the temperature of the salt solution to enable the temperature of the salt fog to meet the test requirement, the second temperature sensor is used for detecting the temperature of the liquid in the salt solution storage box, when the temperature of the liquid is consistent with the preset heating temperature of a user through the control panel, the semiconductor heater stops heating, the first temperature sensor is used for detecting the temperature of the salt fog, heat can be lost in the process of forming the salt fog after the salt solution in the salt solution storage box is heated, and the user can adjust the preset heating temperature in time after the temperature of the salt fog detected by the first temperature sensor; the maintenance plate cover and the control cabin cover are used for facilitating maintenance and overhaul;

when the test device is used, a sample is installed through the first test support and the second test support, the test cabin cover is covered, the saline solution is added through the liquid adding cover, and the heating temperature of the saline solution storage box is preset through the display and the control button; when the temperature of the salt solution is heated to a preset value, the water pump is started, the salt solution is poured into the water storage tank and automatically flows into the ultrasonic atomizer through the pipeline for atomization, after the first water level sensor detects a high water level signal of the water storage tank, the water pump stops working, the stepless speed regulation fan is controlled by the control panel to slowly rotate, the salt mist passes through the rectifier, large salt mist particles are filtered, and the residual salt mist circularly flows in the test bin to form a salt mist environment; judging whether to adjust a preset heating temperature or not through a temperature value detected by a first temperature sensor and displayed by a display; judging whether the salt spray concentration reaches the standard or not by reading the volume of the saline solution in the meter in unit time; when the internal condition of the test bin needs to be observed, the stepless speed regulating fan is controlled by the control panel to rotate rapidly; the salt mist passes through the rectifier more quickly, so that the concentration of the salt mist is reduced, and the observation is facilitated;

after the test is finished, the power supply of the device is closed, and the valve is opened, so that the saline solution in the elliptical inner cavity is discharged through the drainage groove and the drainage pipe;

the utility model discloses simple structure, control is convenient, and the maintenance of being convenient for not only can form the salt fog of even fineness, satisfies the experimental condition, and accurate detection and test temperature is convenient for adjust moreover, improves experimental precision.

Further, the end face of the mounting plate is L-shaped. The structure is reasonable in structure and convenient to use.

Further inject, the mounting panel is equipped with the rectangle through-hole with rectifier assorted, rectangle through-hole one side is equipped with the assembly recess with rectifier assorted. The structure is convenient for installing the rectifier and has beautiful appearance.

Further inject, the rectifier include the cowling panel and with assembly recess assorted installation frame, the rectifier passes through installation frame and mounting panel bolted connection, the cowling panel is equipped with a plurality of pores. With the structure, the rectifier is reasonable in structure and convenient to mount.

Further inject, the wind speed sensor is connected with the sensor support, the sensor support is the L shape, sensor support and mounting panel fixed connection. With the structure, the wind speed sensor is convenient to mount.

Further, the fan bracket is connected with a fan power adapter matched with the stepless speed regulation fan. By adopting the structure, the wires of the fan bracket are centralized, and the maintenance and the overhaul are convenient.

Further defined, the salt spray collector is vertically arranged. Such structure, rational in infrastructure, the automatic settlement through the salt fog collects the salt fog, measurement salt fog concentration that can be accurate.

Further, the test chamber and the maintenance plate cover are sealed through glass cement. The structure enables the test chamber and the maintenance plate cover to be sealed and can be detached.

Further limiting, a water sealing groove matched with the test cabin cover is arranged on the test cabin. By adopting the structure, the water seal is used for preventing the salt fog from running out of the oval inner cavity through the test cabin cover, and the test precision is improved.

Further inject, the experimental storehouse all is equipped with the supporting legs with the control cabin downside, the supporting legs lower surface is equipped with the slipmat. With the structure, the salt spray test device is prevented from sliding.

The utility model discloses have following advantage with prior art relative ratio:

1. the structure is simple, the air compressors and related structural devices are reduced, and the cost and the occupied space are reduced;

2. the operation is simple, the control is convenient, and the salt spray temperature can be adjusted only according to the environmental temperature; the operation difficulty is reduced;

3. the test temperature is detected constantly through a temperature detection device, so that the test precision is improved;

4. the ultrasonic atomizer, the rectifier and the stepless speed regulation fan are matched to form uniform and fine salt mist, so that the test precision is improved;

5. the maintenance plate cover and the control cabin cover are arranged to facilitate maintenance;

drawings

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

fig. 1 is a first schematic structural diagram of an embodiment of a salt spray testing apparatus of the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a schematic structural diagram II of an embodiment of the salt spray testing apparatus of the present invention;

fig. 4 is a schematic view of a partial structure of an embodiment of a salt spray testing apparatus of the present invention;

FIG. 5 is a schematic view of a partial structure of an embodiment of a salt spray testing apparatus of the present invention;

fig. 6 is a schematic view of a partial structure of an embodiment of a salt spray testing apparatus of the present invention;

the main element symbols are as follows:

the device comprises a test chamber 1, a test chamber cover 11, an oval inner cavity 12, a second test support 121, a salt spray collector 122, a first temperature sensor 123, a drainage groove 124, a transparent observation box 13, a water seal groove 14, a control chamber 2, a control panel 21, a display 211, a control button 212, a control chamber cover 22, a liquid adding cover 23, a mounting plate 3, a wind speed sensor 31, a sensor support 311, a fan support 32, a stepless speed regulating fan 321, a fan power adapter 322, a water storage tank 33, a pipeline 331, an ultrasonic atomizer 34, a rectifier 35, a rectifier plate 351, a mounting frame 352, a pore 353, a first test support 36, an assembly groove 37, a drainage pipe 4, a valve 41, a maintenance plate cover 5 and a support leg 6.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in figures 1-6, the salt spray test device of the utility model comprises a test chamber 1 and a control chamber 2, the test chamber 1 is hinged 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 oval inner chamber 12, the oval inner chamber 12 is welded with a mounting plate 3, one side of the mounting plate 3 is connected with an air velocity transducer 31, a fan bracket 32, a water storage tank 33 and an ultrasonic atomizer 34, the fan bracket 32 is connected with three stepless speed regulating fans 321, the lower side of the water storage tank 33 is provided with a pipeline 331 connected with the ultrasonic atomizer 34, the inside of the water storage tank 33 is provided with a first water level transducer and a second water level transducer, the other side of the mounting plate 3 is provided with a rectifier 35 and a first test bracket 36, the inner wall of the oval inner chamber 12 is provided with a first, the salt mist collector 122 is arranged on two sides of the second test support 121, the salt mist collector 122 penetrates through the inner wall of the oval inner cavity 12 and is connected with a meter, the transparent observation box 13 matched with the meter is arranged on the outer surface of the test chamber 1, the water drainage groove 124 is arranged at the bottom of the oval inner cavity 12, the water drainage groove 124 is connected with the water drainage pipe 4, the water drainage pipe 4 is connected with the valve 41, the maintenance plate cover 5 is bolted on the back of the test chamber 1, the test chamber 1 and the maintenance plate cover 5 are relatively sealed, the control chamber 2 is hinged with the control chamber cover 22, the saline solution storage box is arranged in the control chamber 2, the liquid feeding cover 23 matched with the saline solution storage box is hinged on the upper surface of the control chamber 2, the saline solution storage box is connected with a water pump, the water pump is connected, The ultrasonic atomizer 34, the semiconductor heater and the water pump are electrically connected, and the signal input end of the processor is in signal connection with 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.

By adopting the technical scheme of the utility model, the stepless speed regulating fan 321 is made of polytetrafluoroethylene material, thereby avoiding the corrosion of salt fog and prolonging the service life; the two salt spray collectors 122 collect the salt spray at different positions, so that the salt spray concentration can be accurately detected; saline solution in the saline solution storage tank is filled into the water storage tank 33 through a water pump, and automatically flows into the ultrasonic atomizer 34 for atomization through a pipeline 331 on the lower side of the water storage tank 33; the elliptical inner cavity 12 is separated by the mounting plate 3, when the stepless speed regulation fan 321 rotates, salt mist in the elliptical inner cavity 12 rotates circularly, the salt mist passes through the rectifier 35 to be integrated, larger salt mist particles are filtered, and only salt mist particles with qualified sizes can pass through; the salt spray collector 122 is used for collecting salt spray and judging whether the concentration of the salt spray reaches the standard or not by reading the volume of the salt solution in the meter in unit time; the wind speed sensor 31 is used for monitoring the customs; the accumulated saline solution in the test chamber 1 is drained through the cooperation of the drainage groove 124, the drainage pipe 4 and the valve 41; the first water level sensor in the water storage tank 33 detects the high water level of the water storage tank 33, the second water level sensor detects the low water level of the water storage tank 33, when the second water level sensor detects that the water level of the water storage tank 33 is low, the processor automatically controls the water pump to work to enable the saline solution to be filled into the water storage tank 33, and when the first water level sensor detects a signal, the water pump stops working; the liquid adding cover 23 is used for adding salt solution; the semiconductor heater is used for heating the temperature of the salt solution to enable the temperature of the salt fog to meet the test requirements, the second temperature sensor is used for detecting the temperature of the liquid in the salt solution storage tank, when the temperature of the liquid is consistent with the preset heating temperature of a user through the control panel 21, the semiconductor heater stops heating, the first temperature sensor 123 is used for detecting the temperature of the salt fog, heat can be lost in the process of forming the salt fog after the salt solution in the salt solution storage tank is heated, and the user can adjust the preset heating temperature in time after the temperature of the salt fog detected by the first temperature sensor 123 is detected; the use of the service panel cover 5 and the control hatch 22 facilitates maintenance;

when the test device is used, a sample is installed through the first test bracket 36 and the second test bracket 121, the test cabin cover 11 is covered, the saline solution is added through the liquid adding cover 23, and the heating temperature of the saline solution storage box is preset through the display 211 and the control button 212; when the temperature of the salt solution is heated to a preset value, the water pump is started, the salt solution is filled into the water storage tank 33 and automatically flows into the ultrasonic atomizer 34 through the pipeline 331 for atomization, after the first water level sensor detects a signal of high water level of the water storage tank 33, the water pump stops working, the stepless speed regulating fan 321 is controlled by the control panel 21 to slowly rotate, salt mist passes through the rectifier 35, large salt mist particles are filtered, and residual salt mist circularly flows in the test chamber 1 to form a salt mist environment; whether the preset heating temperature is adjusted or not is judged through the temperature value detected by the first temperature sensor 123 and displayed by the display 211; judging whether the salt spray concentration reaches the standard or not by reading the volume of the saline solution in the meter in unit time; when the internal condition of the test chamber 1 needs to be observed, the stepless speed regulating fan 321 is controlled to rotate rapidly by the control panel 21; the salt fog passes through the rectifier 35 more quickly, so that the concentration of the salt fog is reduced, and the salt fog is convenient to observe;

after the test is finished, the power supply of the device is turned off, and the valve 41 is opened, so that the saline solution in the elliptical inner cavity 12 is discharged through the drainage groove 124 and the drainage pipe 4;

The mounting plate 3 is preferably L-shaped at its end face. The structure is reasonable in structure and convenient to use. In fact, other shapes and configurations of the end face of the mounting plate 3 may be used depending on the circumstances.

Preferably, the mounting plate 3 is provided with a rectangular through hole matched with the rectifier 35, and one side of the rectangular through hole is provided with an assembling groove 37 matched with the rectifier 35. With such a structure, the rectifier 35 can be easily mounted, and the appearance is beautiful. In fact, other structures for mounting the rectifier 35 may be used as appropriate considering the mounting plate 3.

Preferably, the rectifier 35 includes a rectifying plate 351 and a mounting frame 352 matched with the assembling groove 37, the rectifier 35 is bolted to the mounting plate 3 through the mounting frame 352, and the rectifying plate 351 is provided with a plurality of fine holes 353. With the structure, the rectifier 35 is reasonable in structure and convenient to mount. In fact, other shapes of the rectifier 35 may be used, as the case may be.

Preferably, the wind speed sensor 31 is connected to a sensor holder 311, the sensor holder 311 has an L-shape, and the sensor holder 311 is fixedly connected to the mounting plate 3. With this structure, the wind speed sensor 31 can be easily mounted. In fact, other bracket-mounted wind speed sensors 31 may be used as the case may be.

Preferably, the fan bracket 32 is connected to a fan power adapter 322 that mates with the infinitely variable speed fan 321. With the structure, the fan bracket 32 is centralized in electric wires, and is convenient for maintenance and overhaul. In fact, other structures can be used to centralize the wires of the fan bracket 32 according to specific situations, so as to facilitate maintenance and repair.

Preferably, the salt spray collector 122 is vertically disposed. Such structure, rational in infrastructure, the automatic settlement through the salt fog collects the salt fog, measurement salt fog concentration that can be accurate. In fact, other angles of inclination of the salt spray collector 122 are also contemplated as the case may be.

Preferably, the test chamber 1 and the maintenance plate cover 5 are sealed by glass cement. With such a structure, the test chamber 1 and the maintenance plate cover 5 are sealed and can be detached. In fact, other structural seals between the test chamber 1 and the maintenance plate cover 5 may be considered as appropriate.

Preferably, the test chamber 1 is provided with a water sealing groove 14 matched with the test chamber cover 11. With the structure, salt mist is prevented from escaping from the elliptical inner cavity 12 through the test chamber cover 11 by using water seal, and test precision is improved. In fact, other structural seals between the test chamber 1 and the test chamber cover 11 may be considered as appropriate.

Supporting legs 6 are arranged on the lower sides of the optimization test bin 1 and the control bin 2, and anti-skid pads are arranged on the lower surfaces of the supporting legs 6. With the structure, the salt spray test device is prevented from sliding. In fact, other anti-slip structures may be used as the case may be.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. The salt spray test device comprises a test chamber (1) and a control chamber (2), wherein the test chamber (1) is hinged 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), and the salt spray test device is characterized in that: the test bin (1) is provided with an oval inner cavity (12), the oval inner cavity (12) is welded with a mounting plate (3), one side of the mounting plate (3) is connected with a wind speed sensor (31), a fan bracket (32), a water storage tank (33) and an ultrasonic atomizer (34), the fan bracket (32) is connected with three stepless speed regulation fans (321), a pipeline (331) connected with the ultrasonic atomizer (34) is arranged on the lower side of the water storage tank (33), a first water level sensor and a second water level sensor are arranged inside the water storage tank (33), a rectifier (35) and a first test bracket (36) are arranged on the other side of the mounting plate (3), a first temperature sensor (123) and a second test bracket (121) matched with the first test bracket (36) are arranged on the inner wall of the oval inner cavity (12), salt fog collectors (122) are arranged on two sides of the second test bracket (121), the salt mist collector (122) penetrates through the inner wall of the oval inner cavity (12) and is connected with a meter, the outer surface of the test chamber (1) is provided with a transparent observation box (13) matched with the meter, the bottom of the oval inner cavity (12) is provided with a drainage groove (124), the drainage groove (124) is connected with a drainage pipe (4), the drainage pipe (4) is connected with a valve (41), the back of the test chamber (1) is connected with a maintenance plate cover (5) through bolts, the test chamber (1) and the maintenance plate cover (5) are relatively sealed, the control chamber (2) is hinged with a control chamber cover (22), a saline solution storage box is arranged in the control chamber (2), the upper surface of the control chamber (2) is hinged with a liquid feeding cover (23) matched with the saline solution storage box, the saline solution storage box is connected with a water pump, and the, the saline solution storage box is internally provided with a semiconductor heater and a second temperature sensor, the power output end of the processor is electrically connected with the stepless speed regulation fan (321), the ultrasonic atomizer (34), the semiconductor heater and the water pump, and the signal input end of the processor is in signal connection with 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.

2. The salt spray test device of claim 1, wherein: the end face of the mounting plate (3) is L-shaped.

3. The salt spray testing apparatus of claim 2, wherein: the mounting panel (3) are equipped with rectifier (35) assorted rectangle through-hole, rectangle through-hole one side is equipped with assembly recess (37) that match with rectifier (35).

4. The salt spray testing apparatus of claim 3, wherein: rectifier (35) include rectifier plate (351) and with assembly recess (37) assorted erection frame (352), rectifier (35) are through erection frame (352) and mounting panel (3) bolted connection, rectifier plate (351) are equipped with several pores (353).

5. The salt spray test device of claim 1, wherein: the wind speed sensor (31) is connected with a sensor support (311), the sensor support (311) is L-shaped, and the sensor support (311) is fixedly connected with the mounting plate (3).

6. The salt spray test device of claim 1, wherein: the fan bracket (32) is connected with a fan power adapter (322) matched with the stepless speed regulation fan (321).

7. The salt spray test device of claim 1, wherein: the salt fog collector (122) is vertically arranged.

8. The salt spray test device of claim 1, wherein: the test chamber (1) and the maintenance plate cover (5) are sealed through glass cement.

9. The salt spray test device of claim 1, wherein: and a water seal groove (14) matched with the test cabin cover (11) is arranged on the test cabin (1).

10. The salt spray test device of claim 1, wherein: supporting legs (6) are arranged on the lower sides of the test bin (1) and the control bin (2), and anti-slip pads are arranged on the lower surfaces of the supporting legs (6).