CN216771451U - Salt fog illumination test box - Google Patents
Salt fog illumination test box Download PDFInfo
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- CN216771451U CN216771451U CN202122697078.1U CN202122697078U CN216771451U CN 216771451 U CN216771451 U CN 216771451U CN 202122697078 U CN202122697078 U CN 202122697078U CN 216771451 U CN216771451 U CN 216771451U
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Abstract
The utility model relates to a salt spray illumination test box, and belongs to the field of environmental test equipment. The salt spray illumination test box comprises a box body, an air circulation channel, a salt spray spraying device, a sunlight radiation device, a refrigerating unit and a control system; the air circulation channel is arranged in the box body and connected to the back plate of the box body; the salt spray device is arranged above the air circulation channel in a wall-mounted mode; the refrigerating unit is arranged behind the box body and connected with the box body back plate; the control system is arranged at the back of the box body; the air circulation channel, the salt spray device, the solar radiation device and the refrigerating unit are respectively connected with the control system. The utility model couples the sunlight simulation function, the salt spray test function and the temperature and humidity test function together, and realizes the salt spray corrosion test under the simulated sunlight. By adopting a better protection design, the sunlight simulation module is prevented from being in a salt fog environment, and the service life of the sunlight radiation device is shortened.
Description
Technical Field
The utility model relates to a salt spray illumination test box, and belongs to the field of environmental test equipment.
Background
The test of the adaptability of the product to the marine climate is mostly a salt spray corrosion test, namely, the corrosion of salt spray is simulated, or the corrosion under a specific temperature and humidity is simulated, and the corrosion test result under a single environmental condition can only be obtained.
The existing salt fog test box or solar radiation test box has the following disadvantages:
1. the environmental conditions of salt spray corrosion or sunlight radiation are simply simulated, and the environment of the actual product is comprehensive in various environments, such as certain temperature, humidity, salt spray, sunlight, wind speed and the like. Different comprehensive environments are destructive to the product, comprehensive simulation cannot be carried out, and laboratory simulation tests cannot be carried out, so that compared with various comprehensive climates, the comprehensive climatic environment of salt mist and sunlight is more common, and the actual environmental conditions of the product cannot be simulated more truly if the comprehensive climatic environment is tested independently;
2. because of the limitation of the use environment of components, the existing salt spray test chamber and solar radiation test chamber are relatively mature, but because the components used in the solar radiation test chamber, such as a sensor, a xenon lamp and the like, cannot be in the salt spray environment for a long time, the components are directly combined, and the corresponding test needs to be carried out on the components and cannot be directly used;
3. comprehensive tests of salt spray corrosion and solar radiation cannot be simulated;
4. comprehensive tests of various environments cannot be performed through the program.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems in the prior art, the utility model provides a salt spray illumination test box, which realizes the comprehensive simulation of the environments of a salt spray test and a sunlight radiation test by adding a protection device and adopting a partition protection design, ensures the precise control of temperature and humidity and enables a temperature field to be more uniform.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a salt fog illumination test box comprises a box body, an air circulation channel, a salt fog spraying device, a sunlight radiation device, a refrigerating unit and a control system; the air circulation channel is arranged in the box body and connected to the back plate of the box body; the salt spray device is arranged above the air circulation channel in a wall-mounted manner; the refrigerating unit is arranged behind the box body and connected with the box body back plate; the control system is arranged at the back of the box body; the air circulation channel, the salt spray spraying device, the solar radiation device and the refrigerating unit are respectively connected with the control system.
The box adopts storehouse board (refrigeration house board) and/or sheet metal component to build and forms, and the storehouse board includes inner panel and planking, and inner panel and planking pass through welded connection, and polyurethane foaming liquid is filled to the centre, forms thermal-insulated heat preservation.
The solar radiation device comprises a solar radiation module and an ultraviolet radiation module, the solar radiation module is installed on one side of the box body, the ultraviolet radiation module is installed on the other side of the box body, and the solar radiation module and the box body are firmly connected through bolts or other fastening modes. The sunlight radiation module comprises a solar radiation lamp, an electronic radiometer, a solar radiation rack and the like, wherein the solar radiation lamp is arranged on the solar radiation rack, the electronic radiometer is arranged on the box body, and the solar radiation lamp and the electronic radiometer are respectively connected with the control system; the ultraviolet radiation module comprises an ultraviolet lamp, and the ultraviolet lamp is arranged on the side wall of the box body and is connected (electrically connected) with the control system.
The outside of solar radiation device (including solar radiation module and ultraviolet radiation module) set up salt fog barrier, seal the lateral wall of solar radiation system in the box and between salt fog barrier, prevent that sunshine analog system is in the environment of salt fog, reduce solar radiation device's life-span. The salt spray isolation baffle is made of glass.
The salt spray system comprises a precise crystal type glass nozzle, a brine tank, a spray pipeline, a drainage pipeline and a diaphragm pump, wherein the brine tank is connected with the nozzle through the diaphragm pump and the spray pipeline, and the diaphragm pump and the nozzle are respectively connected with the control system; the constant spraying pressure of the system is 1.0 +/-0.01 kgf/cm2. The diaphragm pump conveys the salt water of the salt water tank to the water box at the bottom of the nozzle, and then the salt water is absorbed by the Bernoulli principle and atomized, so that the salt fog environment with uniform concentration is finally formed.
The air circulation channel comprises a channel pipeline, a channel motor, a centrifugal impeller and an evaporator heater, wherein a channel air adjusting port (air outlet) and a channel air return port (air inlet) are respectively arranged at two ends of the channel pipeline, the evaporator heater is arranged in the middle of the channel pipeline (the channel pipeline is divided into two sections which are connected through the evaporator heater), the channel air return port is arranged at the lower part of the test box body, the channel air adjusting port is arranged at the upper part of the test box body, the centrifugal impeller is arranged above the channel air adjusting port and is connected with the channel motor, and the evaporator heater is positioned below the centrifugal impeller; the channel motor and the evaporator heater are respectively connected with a control system. The channel parts are made of SUS316 stainless steel, so that the corrosion resistance of the channel is improved. Inside air of box gets into inside the circulating channel pipeline by passageway return air inlet, carries out heat exchange through heat transfer device evaporimeter heater, carries out abundant mixture with the air by the centrifugal impeller in passageway accent wind gap again, then blows to every corner of box, and the thermal-insulated protection of cooperation box has realized the accurate control and the cycle control of temperature, humidity.
The refrigerating unit comprises a compressor, a condenser, an evaporator, a filter and a capillary tube, a balanced temperature and humidity regulation (BTHC) method is adopted, and under the condition that the refrigerating unit works continuously, a control system controls the output quantity of a heater according to the result output by PID automatic operation of a set temperature point, and finally, the dynamic balance of the temperature is achieved.
The control system comprises a controller (programmable controller) and a distribution box, wherein the controller is connected with the salt spray device, the air circulation channel and the solar radiation device through signal lines to control the operation of the salt spray device, the air circulation channel and the solar radiation device.
The salt fog illumination test box realizes the simulation of sunlight radiation by installing a sunlight radiation system on a module; the control system controls the solar radiation lamp through signal feedback of the radiometer, so that various natural environment state simulations of solar radiation are realized. Meanwhile, a set of comprehensive test equipment capable of simulating both salt spray conditions and solar radiation conditions is formed by adopting the box body, the air circulation channel, the refrigerating unit, the salt spray system and the controller.
The utility model mainly has the following advantages:
1. the device is specialized and modular in design, and is convenient and quick to install;
2. the functions are complete, and comprehensive tests of salt spray and illumination can be performed on one device;
3. the air circulation channel is provided, so that the temperature and the humidity are easier to control;
4. the system is provided with the refrigerating unit and the evaporator, so that the salt spray test can simulate lower temperature, and various environment simulation functions such as high-temperature salt spray, low-temperature salt spray and the like are realized.
The utility model adopts the professional design, considers the whole, optimally designs each part, realizes the close and professional matching of the parts, increases the refrigerating unit and the box body heat insulation layer, realizes the precise control of temperature and humidity, and leads the test box to meet the standard and be closer to the actual environmental simulation.
The utility model adds the sunlight simulation function into the salt spray test box, and realizes the salt spray corrosion test under the simulated sunlight. The better protection design is adopted, the sunlight radiation device adopts glass to manufacture the salt fog isolation baffle, so that the sunlight simulation module is prevented from being in a salt fog environment, and the service life of the sunlight radiation device is shortened; the channel made of SUS316 stainless steel is added to ensure the corrosion resistance of the channel.
Drawings
Fig. 1-1 to 1-3 are schematic structural diagrams of the salt fog illumination test box of the present invention, wherein fig. 1-1 is a side view, fig. 1-2 is a front view, and fig. 1-3 is a top view.
FIG. 2 is a partial enlarged view of the ultraviolet radiation module of the salt spray illumination test chamber of the present invention.
FIG. 3 is a partial enlarged view of the solar radiation module of the salt spray illumination test chamber according to the present invention.
FIG. 4 is a control diagram of the temperature and humidity of the salt spray illumination test chamber.
Description of the main reference numerals:
101 casing 102 channel motor
103 air circulation channel 104 distribution box
201 ultraviolet radiation module 202 controller
203 door lock 204 sunlight radiation module
205 salt spray device 206 refrigerating unit
Detailed Description
As shown in fig. 1-1 to 3, the salt fog illumination test chamber of the present invention includes a chamber 101, a channel motor 102, an air circulation channel 103, a distribution box 104, an ultraviolet radiation module 201, a controller 202, a door lock 203, a solar radiation module 204, a spraying device 205, and a refrigeration unit 206. The box 101 is built by the storehouse board, and the storehouse board divide into inner panel and planking, inner panel and planking welded connection, and polyurethane foaming liquid is filled in the centre, forms thermal-insulated heat preservation. The channel motor assembly 102 is arranged at the top of the box body and above the air circulation channel 103; the air circulation channel 103 is positioned inside the box body 101 and is connected with a box body back plate; the distribution box 104 is positioned behind the box body 101 and on the left side of the refrigerating unit 206; the ultraviolet radiation module 201 is arranged on the left side of the box body 101; the controller 202 is positioned in the front of the box body 101 and at the upper left corner; the door lock 203 is positioned at the right front side of the box body 101; the solar radiation module 204 is arranged at the right side of the box body 101; the spraying device 205 is hung in the box body 101 and is right in front of the circulating channel; the refrigeration unit 206 is located behind the cabinet 101, to the right of the panelboard 104.
The salt fog illumination test box comprises a box body 101, an air circulation channel 103, a salt fog spraying device 205, a sunlight radiation device, a refrigerating unit 206 and a control system; the air circulation channel 103 is arranged in the box body and is connected to the back plate of the box body 101; the salt spray device 205 is mounted above the front cover plate of the air circulation channel 103 in a wall-mounted manner; the refrigerating unit 206 is arranged behind the box body 101 and is connected with a back plate of the box body 101; the control system is arranged at the back of the box body 101; the air circulation passage 103, the salt spray device 205, the solar radiation device and the refrigerating unit 206 are respectively connected with the control system.
The box 101 is constructed by a storage plate (cold storage plate), the storage plate is divided into an inner plate and an outer plate, the inner plate and the outer plate are connected by welding, polyurethane foaming liquid is filled in the middle of the inner plate and the outer plate, and a heat insulation layer is formed. The box 101 is also provided with a door and a door lock 203.
The solar radiation device comprises a solar radiation module 204 and an ultraviolet radiation module 201, wherein the solar radiation module 204 is arranged on the right side of the box body 101, and the ultraviolet radiation module 201 is arranged on the left side of the box body and is fixedly connected with the box body through M6 bolts. The solar radiation module 204 comprises a solar radiation lamp, an electronic radiometer, a solar radiation rack and the like, wherein the solar radiation lamp is arranged on the solar radiation rack, the electronic radiometer is arranged on the box body 101, and the solar radiation lamp and the electronic radiometer are respectively connected with the control system; the ultraviolet radiation module 201 includes an ultraviolet lamp mounted on the sidewall of the box 101 and connected (electrically connected) to the control system.
The salt fog isolation baffle is arranged on the outer side of the sunlight radiation device (comprising the sunlight radiation module 204 and the ultraviolet radiation module 201), the sunlight radiation system is sealed between the salt fog isolation baffle and the side wall in the box body 101, the sunlight simulation system is prevented from being in a salt fog environment, and the service life of the sunlight radiation device is shortened. The salt spray isolation baffle is made of glass.
The salt spray device 205 comprises a precision crystal type glass nozzle, a brine tank, a spray pipeline, a drainage pipeline and a diaphragm pump, wherein the brine tank is connected with the nozzle through the diaphragm pump and the spray pipeline, and the diaphragm pump and the nozzle are respectively connected with a control system; the constant spraying pressure of the system is 1.0 +/-0.01 kgf/cm2. The diaphragm pump conveys the salt water of the salt water tank to the water box at the bottom of the nozzle, and then the salt water is absorbed by the Bernoulli principle and atomized, so that the salt fog environment with uniform concentration is finally formed.
The air circulation channel 103 comprises a channel pipeline, a channel motor 102, a centrifugal impeller and an evaporator heater, wherein a channel air adjusting opening (air outlet) and a channel air return opening (air inlet) are respectively arranged at two ends of the channel pipeline, the evaporator heater is arranged in the middle of the channel pipeline (the channel pipeline is divided into two sections which are connected through the evaporator heater), the channel air return opening is arranged at the lower part of the test box body 101, the channel air adjusting opening is arranged at the upper part of the test box body 101, the centrifugal impeller is arranged above the channel air adjusting opening, the centrifugal impeller is connected with the channel motor 102, and the evaporator heater is positioned below the centrifugal impeller; the channel motor and the evaporator heater are respectively connected with a control system. The channel pipeline and parts are made of SUS316 stainless steel, so that the corrosion resistance of the channel is improved. Inside the inside air of box 101 got into the circulating channel pipeline by the passageway return air inlet, carried out heat exchange through heat transfer device evaporimeter heater, carried out abundant mixture with the air by the centrifugal impeller in passageway accent wind gap again, then blown to every corner of box, the thermal-insulated protection of cooperation box has realized the accurate control and the cycle control of temperature, humidity.
The refrigerating unit 206 comprises a compressor, a condenser, an evaporator, a filter and a capillary tube, a balanced temperature and humidity adjustment (BTHC) method is adopted, namely, under the condition that the refrigerating unit 206 continuously works, the output quantity of a heater is controlled by a control system according to the result output by PID automatic operation of the set temperature point, and finally, the dynamic balance of the temperature is achieved.
The control system comprises a controller 202 and the distribution box 104, wherein the controller 202 is connected with the salt spray device, the air circulation channel and the solar radiation device through signal lines to control the operation of the salt spray device, the air circulation channel and the solar radiation device.
The ultraviolet radiation module 201 and the sunlight radiation module 204 are added on the side surface of the test chamber, so that sunlight radiation is realized. Meanwhile, an air circulation channel 103 and a salt spray spraying device 105 are installed in the box body 101, and a refrigerating unit 206 is configured behind the box body 101, so that a set of comprehensive test equipment capable of simulating both a salt spray condition and a solar radiation condition is formed.
The air circulation path 103 includes a lower air inlet, an upper air outlet, and a middle evaporator. Inside the inside air of box gets into circulation channel by the air intake inside, carries out heat exchange through the evaporimeter, carries out abundant mixture with the air by the centrifugal impeller of air outlet again, then blows to every corner of box, has realized the accurate control and the cycle control of temperature, humidity.
The salt spray corrosion environment is realized by installing the salt spray device 205; the salt water is conveyed to the nozzle through the pump, is mixed with high-pressure saturated air at the nozzle, is fully atomized, and is uniformly sprayed to all parts of the box body.
The simulation of the solar radiation is realized by the module mounting of the ultraviolet radiation module 201 and the solar radiation module 204. The controller 202 performs signal control of 0-10V on the solar radiation lamp through 4-20ma signal feedback of the radiometer, thereby realizing various natural environment state simulations of solar radiation.
The salt spray illumination test box disclosed by the utility model is comprehensively controlled by the control system, so that comprehensive simulation of various environments can be realized, and the achievable comprehensive simulation technical indexes are shown in table 1 and figure 4.
TABLE 1 comprehensive simulation technical index
The salt mist illumination test chamber of the utility model can be used for carrying out the following tests:
1. salt spray corrosion test alone
When only a single salt spray corrosion test is performed, only the function of the salt spray test needs to be started. At this time, the equipment only starts the corresponding salt fog sedimentation amount and the corresponding temperature to operate the equipment.
2. Salt spray dry wet corrosion test alone
When only the independent salt spray dry-wet corrosion test is carried out, only the function of the salt spray dry-wet test needs to be started. At this time, the equipment only starts the corresponding salt fog sedimentation amount and the corresponding temperature and humidity to operate the equipment.
3. Solar radiation test alone
When only a single solar radiation test is performed, only the function of solar radiation needs to be turned on. At this moment, the equipment only starts the corresponding lamp module with the sunlight radiation and the corresponding temperature to operate the equipment.
4. Comprehensive test
When only the comprehensive test is carried out, the test box required to be carried out is edited according to the program, and the equipment starts the corresponding test parameters to carry out the operation of the equipment.
Claims (10)
1. A salt fog illumination test box is characterized in that: comprises a box body, an air circulation channel, a salt spray spraying device, a sunlight radiation device, a refrigerating unit and a control system; the air circulation channel is arranged in the box body and connected to the back plate of the box body; the salt spray device is arranged above the air circulation channel in a wall-mounted mode; the refrigerating unit is arranged behind the box body and is connected with a box body back plate; the control system is arranged at the back of the box body; the air circulation channel, the salt spray spraying device, the solar radiation device and the refrigerating unit are respectively connected with the control system.
2. The salt fog lighting test chamber of claim 1, wherein: the solar radiation device comprises a solar radiation module and an ultraviolet radiation module, the solar radiation module is installed on one side of the box body, the ultraviolet radiation module is installed on the other side of the box body, and the solar radiation module and the box body are firmly connected through M6 bolts.
3. The salt fog lighting test chamber of claim 2, wherein: the sunlight radiation module comprises a solar radiation lamp, an electronic radiometer and a solar radiation frame, wherein the solar radiation lamp is arranged on the solar radiation frame, the electronic radiometer is arranged on the box body, and the solar radiation lamp and the electronic radiometer are respectively connected with the control system; the ultraviolet radiation module comprises an ultraviolet lamp, and the ultraviolet lamp is arranged on the side wall of the box body and is connected with the control system.
4. The salt fog lighting test chamber of claim 3, wherein: the outside of the solar radiation device is provided with a salt fog isolation baffle plate, and the solar radiation system is sealed between the inner side wall of the box body and the salt fog isolation baffle plate.
5. The salt fog lighting test chamber of claim 4, wherein: the salt spray isolation baffle is made of glass.
6. The salt fog lighting test chamber of claim 1, wherein: the salt spray system comprises a glass nozzle, a salt water tank, a spray pipeline, a drainage pipeline and a diaphragm pump, wherein the salt water tank is connected with the nozzle through the diaphragm pump and the spray pipeline, and the diaphragm pump and the nozzle are respectively connected with a control system.
7. The salt fog lighting test chamber of claim 1, wherein: the air circulation channel comprises a channel pipeline, a channel motor, a centrifugal impeller and an evaporator heater, wherein a channel air adjusting port and a channel air return port are respectively arranged at two ends of the channel pipeline; the channel motor and the evaporator heater are respectively connected with a control system.
8. The salt fog lighting test chamber of claim 1, wherein: the control system comprises a controller and a distribution box, wherein the controller is connected with the salt spray device, the air circulation channel and the sunlight radiation device through signal lines to control the operation of the salt spray device, the air circulation channel and the sunlight radiation device.
9. The salt fog lighting test chamber of claim 1, wherein: the box adopts storehouse board to make, and storehouse board includes inner panel and planking, and inner panel and planking pass through welded connection, and polyurethane foaming liquid is filled to the centre, forms thermal-insulated heat preservation.
10. The salt fog lighting test chamber of claim 1, wherein: the box body is made of sheet metal parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122697078.1U CN216771451U (en) | 2021-11-05 | 2021-11-05 | Salt fog illumination test box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122697078.1U CN216771451U (en) | 2021-11-05 | 2021-11-05 | Salt fog illumination test box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216771451U true CN216771451U (en) | 2022-06-17 |
Family
ID=81962015
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122697078.1U Active CN216771451U (en) | 2021-11-05 | 2021-11-05 | Salt fog illumination test box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216771451U (en) |
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2021
- 2021-11-05 CN CN202122697078.1U patent/CN216771451U/en active Active
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