CN112014428A - Automatic water supply testing device for condensation test and testing method thereof - Google Patents
Automatic water supply testing device for condensation test and testing method thereof Download PDFInfo
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Abstract
The invention discloses an automatic water supply testing device for a condensation test, which comprises a shell, a movement mechanism, a steam supply mechanism and a control system, wherein the movement mechanism is connected with the shell; the interior of the shell is divided into a damp-heat area and a normal-temperature area; the motion mechanism comprises a driving assembly, a sliding assembly and a test object stage, the driving assembly is connected with the test object stage, and the driving assembly is used for pushing the test object stage to move on the sliding assembly repeatedly back and forth; the water vapor supply mechanism is arranged in the damp-heat area and used for providing high-temperature steam; the test object stage is provided with a plurality of air holes for placing test samples, and moves on the sliding assembly circularly to perform a condensation test between a wet-heat area and a normal-temperature area; the control system is used for controlling the driving assembly and the water vapor supply mechanism to be in working states. The invention can replace the manual testing device in the past, realize the automatic periodic cycle test according to the set time, promote efficiency and accuracy of the test. The invention also discloses a testing method of the automatic water supply testing device for the condensation test.
Description
Technical Field
The invention relates to the field of automatic water supply devices, in particular to an automatic water supply testing device for a condensation test and a testing method thereof.
Background
The dewing test is mainly to test whether a device product installed in a humidity area can meet the functional requirements when exposed to the limit humidity. In the past, testers manually add water, test products after the water is boiled, take out the products after the test time is up, put the products in a normal-temperature environment for airing, and put the products in a specific constant-temperature constant-humidity environment for testing whether the products are invalid or not after the test time is repeated for multiple times. In the testing process, the time and the method of personnel are uncontrollable factors, which easily causes the inaccuracy of the data result of the test, and secondary tests are needed, thus increasing the difficulty of the test. Therefore, the existing test basically adopts artificial test, the test period and time are too long, so that a specially-assigned person is required to follow the test, the time is wasted, the test time is long and uncontrollable, and the test result is inaccurate.
Disclosure of Invention
The technical problem to be solved by the invention is to overcome the defects of the prior art, provide an automatic water supply testing device for a condensation test and a testing method thereof, and improve the efficiency and accuracy of the testing test.
The invention specifically adopts the following technical scheme to solve the technical problems:
an automatic water supply testing device for a condensation test comprises a shell, a movement mechanism, a water vapor supply mechanism and a control system; the interior of the shell is divided into a damp-heat area and a normal-temperature area; the motion mechanism comprises a driving assembly, a sliding assembly and a test object stage, the driving assembly is connected with the test object stage, and the driving assembly is used for pushing the test object stage to move on the sliding assembly repeatedly back and forth; the water vapor supply mechanism is arranged in the damp-heat area and used for providing high-temperature steam; the test object stage is provided with a plurality of air holes for placing test samples, and moves on the sliding assembly circularly to perform a condensation test between a wet-hot area and a normal-temperature area; the control system is used for controlling the driving assembly and the water vapor supply mechanism to be in a working state.
The invention provides an automatic water supply testing device for a condensation test, wherein a test object stage is stopped at a normal temperature area, a test product can be fixedly placed on an air hole of the test object stage, the test product is convenient to take and place, and potential safety hazards caused by manual placement are avoided; after the steam supply mechanism continuously provides steam, a damp and hot area is formed, and the conditions required by a condensation test are met; the control system controls the driving assembly to push the test object stage to slide to the damp-heat area through the sliding assembly, so that the air holes are arranged above the damp-heat area again, and the dewing test is started; after the test time set by the control system is reached, the test object stage returns to the normal temperature area under the drive of the drive assembly, which is a period; and repeating the cycle for many times until the set period, and finishing the automatic test of the condensation test.
The air holes are uniformly distributed in the middle of the test object stage and are consistent with the high-temperature steam range provided by the steam supply mechanism.
As a preferred scheme, when the test objective table is tested in a humid hot area, the air holes are uniformly distributed in the humid hot area, the test conditions of the products to be tested are consistent, and the accuracy of the result is improved.
The control system comprises a time relay, and the time relay controls the movement time and the residence time of the test object stage in the normal temperature area and the humid heat area by controlling the driving assembly.
As a preferred scheme, the time relay can set the time and the test period required by each test, the time relay controls the motion time of the driving assembly, so that the moving time and the retention time of the test object stage in the normal temperature area and the humid heat area are the same, the consistency of test conditions is achieved, the time is controllable, and the reliability of the test result is ensured.
The driving assembly comprises a cylinder, the cylinder is arranged outside the shell, a cylinder rod is arranged in the cylinder, the cylinder rod penetrates through the shell and is fixedly connected with the test object stage, the time relay is connected with the cylinder through an electromagnetic valve, and the cylinder rod is controlled to push the test object stage to repeatedly move and test in a normal temperature area and a wet and hot area.
The sliding assembly is a guide rail arranged on the inner wall of the shell and a guide groove arranged on the test object stage.
As a preferred scheme, the cylinder rod is fixedly connected with the test objective table, the time relay controls the opening of the electromagnetic valve, the electromagnetic valve is electrified to act, so that the air pressure in the cylinder pushes the cylinder rod, the test objective table is pushed to move to a damp-heat area on the sliding assembly, the test objective table is clamped on the guide rail to slide through the guide groove fixed with the test objective table, and the condensation test is started; and stopping the test time, closing the electromagnetic valve, and resetting the test object stage to a normal temperature area along with the air cylinder rod to finish the condensation test once. The test period is completed by repeating the cycle, the automatic test of the condensation test is achieved, time waste of the test product is not needed to be manually moved repeatedly during the test, labor cost is saved, and working efficiency is improved.
The steam supply mechanism comprises a heating water tank, a water boiler and a water pump, wherein the heating water tank is used for circularly supplying water, storing water and heating to keep the water temperature constant, and continuously generates steam to form a damp-heat area; the rest part of the shell is a normal temperature zone.
Specifically, the water boiler is arranged in the heating water tank and connected with the control system, and the control system is started after the water boiler continuously heats the water at 100 ℃.
Specifically, the steam supply mechanism further comprises a water level detector, a liquid level device and a water pump, wherein the water level detector is arranged inside the heating water tank and used for detecting the height of the water level in the heating water tank; the liquid level device is arranged in the heating water tank, is connected with the water pump and is used for starting the water pump to supply water.
As a preferable scheme, the water vapor supply mechanism is continuously heated by a water boiler, the water temperature is kept at 100 ℃, steam is generated to form a wet and hot area, the conditions required by the condensation test are achieved, and after the test conditions are stable, the control system starts the test. In the process of generating steam, the water level gradually drops, and the water level is sensed by a water level detector and is kept at the lowest limit position; when the water level is lower than the lowest limit position, the liquid level device starts to drive the water pump to supply water, so that automatic water supply is achieved, continuous circulating test is carried out until the test period is finished, and meanwhile, the hidden danger of dry burning of the heating water tank can be prevented.
The invention also provides a testing method of the automatic water supply testing device for the condensation test, which comprises the following steps:
(1) placing a plurality of test samples on a test object stage;
(2) the steam supply mechanism automatically supplies and stores water, and continuously supplies high-temperature steam to form a damp-heat area;
(3) after the condition of the wet and hot area is stable, the control system sets the time for pushing the driving assembly and the test time, the driving assembly is controlled to push the test object stage to move on the sliding assembly, the test object stage moves to the wet and hot area from the normal temperature area, the dewing test starts, the test time is set by the control system, the driving assembly brings the test object stage back to reset, the test object stage is circulated and reciprocated until the circulation period set by the control system, and the dewing test is completed.
The steam supply mechanism comprises a heating water tank, a water level detector, a liquid level device, a water pump and a boiler; the water level detector is used for sensing and monitoring the water level in the heating water tank, when the water level in the heating water tank is lower than the lower limit water level, the liquid level device works to supply power to the water pump, and the water pump is conducted to add water into the heating water tank; when the water level is limited to the upper limit, the liquid level device is powered off, the water pump stops working, the water in the heating water tank is always kept at the lowest limit position, and water is automatically supplied; the steam supply mechanism works through a water boiler and continuously heats the water to keep the water temperature at 100 ℃. Achieving the effect of automatic water supply.
The control system comprises a time relay and an electromagnetic valve; the driving assembly comprises a cylinder, and the cylinder is provided with a cylinder rod; a plurality of test samples are placed on air holes of a test objective table, after the test conditions of a humid hot area are stable, a control system controls the operation time of pneumatic operation through a time relay, when the time of the time relay is up, a pneumatic electromagnetic valve is electrified to act, an air cylinder rod is pushed to move by air pressure, the air cylinder rod pushes the test objective table to be above the humid hot area for placing and testing, and the arrangement range of the air holes in the humid hot area can ensure that the test samples can be tested uniformly; and when the test time reaches, the electromagnetic valve is powered off, the cylinder rod is reset, and the test object stage is placed with a normal temperature zone, so that the test object stage is used as a period for circular test. And an automatic test effect is achieved.
Compared with the prior art, the invention has the beneficial effects that:
(1) the automatic water supply testing device for the condensation test is provided with the movement mechanism, has a simple structure, is flexible to use and convenient to maintain, can automatically carry out the condensation test on a tested product, completes the test period, saves people and time, and improves the working efficiency.
(2) The automatic water supply testing device for the condensation test is provided with the water vapor supply mechanism, water can be continuously and automatically supplied, the heating is performed to reach the test condition, the test condition is stable, and the error of the test result is reduced.
(3) The automatic water supply testing device for the condensation test is provided with the control system, can set testing time and period for uninterrupted testing according to test requirements, does not need manual operation, enables testing conditions to be the same, and ensures reliability and consistency of testing results.
Drawings
FIG. 1 is a block diagram of the present invention 1.
FIG. 2 is a process flow diagram of the process of the present invention 2.
In the drawings are labeled: a housing 100; a cylinder 210; a cylinder rod 211; a guide rail 220; a guide groove 221; a test stage 230; an air hole 231; a heating water tank 310.
Detailed Description
The drawings are only for purposes of illustration and are not to be construed as limiting the invention. For a better understanding of the following embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, the present embodiment provides an automatic water supply testing device for a dew condensation test, which is characterized by comprising a housing 100, a movement mechanism, a water vapor supply mechanism and a control system.
The dew test is mainly used for testing whether the electronic components arranged in a humidity area can meet the functional requirements when exposed to the limit humidity. The shell 100 is made of stainless steel, the device in the dewing prevention test rusts due to large steam humidity, and the stainless steel is light, convenient and easy to obtain, reduces the production cost, is convenient to move and maintain, and prolongs the service life.
The interior of the shell 100 is divided into a wet heat area and a normal temperature area; the movement mechanism comprises a driving assembly, a sliding assembly and a test object stage 230, the driving assembly is connected with the test object stage 230, and the driving assembly is used for pushing the test object stage 230 to move back and forth on the sliding assembly repeatedly; the water vapor supply mechanism is arranged in the damp-heat area and used for providing high-temperature steam; the test object stage 230 is provided with a plurality of air holes 231 for placing test samples, and the test object stage 230 circularly moves on the sliding assembly to perform a condensation test between a wet-hot area and a normal-temperature area; the control system is used for controlling the driving assembly and the water vapor supply mechanism to be in a working state.
The steam supply mechanism continuously generates high-temperature steam, a damp-heat area is formed above the steam supply mechanism, and a normal-temperature area is above the rest part of the shell; the test product is placed on the air holes of the test object stage; the test object stage slides over the shell, so that a test product or a device for live operation detection can be conveniently placed; the control system controls the steam supply mechanism to continuously generate steam to achieve the stability required by the test, and controls the driving assembly to circularly and repeatedly move in the normal temperature area and the wet and hot area to perform the condensation test.
The air holes 231 are uniformly arranged in the middle of the test stage 230 and are in the same range as the high-temperature steam provided by the steam supply mechanism.
The test object stage is made of glass fiber plate, the glass fiber plate is stable in electrical insulation performance, flat and smooth, has good heat resistance and moisture resistance, is used for placing electronic devices or test products in power-on, and is safer in use; the test object stage is provided with 15 circular air holes, test products can be fixed in the air holes, the test quantity is increased, the work efficiency is improved, and the problems that the products are difficult to take and place and potential safety hazards of personnel in the test process are solved.
The control system includes a time relay which controls the movement time and the stay time of the test stage 230 in the normal temperature region and the humid heat region by controlling the driving assembly.
The time relay sets the retention time of the test objective table in the humid and hot area, the moving time of the test objective table in the normal temperature area and the cycle period of the test according to the test requirements, so that the test conditions are the same, the manual timing is not needed, the error is increased, and the accuracy of the test result is improved.
The driving assembly comprises an air cylinder 210, the air cylinder 210 is arranged outside the shell 100, an air cylinder rod 211 is arranged in the air cylinder 210, the air cylinder rod 211 penetrates through the shell 100 and is fixedly connected with the test object stage 230, the time relay is connected with the air cylinder 210 through an electromagnetic valve, and the air cylinder rod 211 is controlled to push the test object stage 230 to repeatedly move and test in a normal temperature area and a wet and hot area.
The sliding components are a guide rail 220 arranged on the inner wall of the shell 100 and a guide groove 221 arranged on the test object stage 230.
The time relay is connected with the air cylinder through the electromagnetic valve, the air operation time in the air cylinder is controlled to be injected, the electromagnetic valve is started, the air cylinder is electrified to act, the air pressure pushes the air cylinder rod out, the air cylinder rod pushes the test object stage to the upper part of a damp and hot area, the electromagnetic valve is closed when the time is set, the air cylinder rod is reset, the test object stage is taken as a period with the normal temperature area, the test object stage can be circularly and repeatedly tested uninterruptedly until the set test period is reached, and the automatic test of the condensation test is completed.
The steam supply mechanism comprises a heating water tank 310, a water boiler and a water pump, wherein the heating water tank 310 is used for circularly supplying water, storing water and heating to keep the water temperature constant, and continuously generates steam to form a damp-heat area; the rest part of the shell 100 is a normal temperature zone.
The boiler is arranged in the heating water tank 310 and connected with the control system, and the control system is started after the water is continuously heated to 100 ℃.
The water vapor supply mechanism further comprises a water level detector, a liquid level device and a water pump, wherein the water level detector is arranged inside the heating water tank 310 and is used for detecting the height of the water level in the heating water tank 310; the liquid level gauge is arranged inside the heating water tank 310, is connected with the water pump and is used for starting the water pump to supply water.
The steam supply mechanism can realize the circulation water supply, the water storage, the heating keeps the invariable experimental demand of temperature, the boiler constantly heats, it is stable back to keep heating the basin temperature to start the test, along with constantly evaporating, the water level descends gradually, level detector detects the high low sensing of water level, when the water level descends to minimum position, the level gauge starts the water pump, the water pump automatic water supply adds the basin to, add the disconnection of level gauge when the highest upper limit, the water pump stops to add water. Automatic water supply in the test is realized, the humidity is stable, and the test result is accurate.
The invention also discloses a testing method of the automatic water supply testing device for the condensation test, which comprises the following steps:
(1) placing a number of test samples on test stage 230;
(2) the steam supply mechanism automatically supplies and stores water, and continuously supplies high-temperature steam to form a damp-heat area;
(3) after the condition of the wet and hot area is stable, the control system sets the time for pushing the driving assembly and the test time, the driving assembly is controlled to push the test object stage 230 to move on the sliding assembly, the test object stage moves to the wet and hot area from the normal temperature area, the dewing test starts, the test time is set by the control system, the driving assembly brings the test object stage 230 back to reset, and the test object stage circularly reciprocates until the cycle period set by the control system, so that the dewing test is completed.
The steam supply mechanism comprises a heating water tank 310, a water level detector, a liquid level device, a water pump and a boiler; the water vapor supply mechanism monitors the water level in the heating water tank 310 through the water level detector, when the water level in the heating water tank 310 is lower than the lower limit water level, the liquid level device works to supply power to the water pump, and the water pump is conducted to add water into the heating water tank 310; when the water level reaches the upper limit, the liquid level device is powered off, the water pump stops working, the water in the heating water tank 310 is always kept at the lowest limit position, and water is automatically supplied; the steam supply mechanism works through a water boiler and continuously heats the water to keep the water temperature at 100 ℃.
The control system comprises a time relay and an electromagnetic valve; the driving assembly comprises a cylinder 210, the cylinder 210 is provided with a cylinder rod 211; a plurality of test samples are placed on the air holes 231 of the test objective table 230, after the test conditions of the humid and hot area are stable, the control system controls the operation time of pneumatic operation through the time relay, when the time of the time relay is up, the pneumatic electromagnetic valve is electrified to act, the air pressure pushes the air cylinder rod 211 to move, the air cylinder rod 211 pushes the test objective table 230 to the upper part of the humid and hot area for placing test, and the arrangement range of the air holes 231 in the humid and hot area can ensure that the test samples can be tested uniformly; when the test time reaches, the electromagnetic valve is powered off, the air cylinder rod 211 is reset, and the test object stage 230 is brought back to the normal temperature area to be placed, so that the test is performed in a circulating mode in one period.
Example 2
The difference between this embodiment and embodiment 1 is that the shape, size and number of the air holes can be set with different shapes, sizes and numbers for fixing the test product according to the test requirement, which is convenient for testing devices with different specifications and increases the utilization ratio of the device.
It should be understood that the above-mentioned embodiments of the present invention are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the specific embodiments of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention claims should be included in the protection scope of the present invention claims.
Claims (11)
1. An automatic water supply testing device for a condensation test is characterized by comprising a shell (100), a movement mechanism, a water vapor supply mechanism and a control system;
the interior of the shell (100) is divided into a wet heat area and a normal temperature area;
the motion mechanism comprises a driving assembly, a sliding assembly and a test object stage (230), the driving assembly is connected with the test object stage (230), and the driving assembly is used for pushing the test object stage (230) to move back and forth on the sliding assembly repeatedly;
the water vapor supply mechanism is arranged in the damp-heat area and used for providing high-temperature steam;
the test object stage (230) is provided with a plurality of air holes (231) for placing test samples, and the test object stage (230) circularly moves on the sliding assembly to perform a condensation test between a wet heat area and a normal temperature area;
the control system is used for controlling the driving assembly and the water vapor supply mechanism to be in a working state.
2. The automatic water supply testing device for the dewing test according to claim 1, wherein the air holes (231) are uniformly arranged in the middle of the test stage (230) and are consistent with the range of the high-temperature steam provided by the steam supply mechanism.
3. The automatic water supply testing device for the dewing test is characterized in that the control system comprises a time relay, and the time relay controls the movement time and the residence time of the test object stage (230) in the normal temperature area and the wet and hot area by controlling the driving assembly.
4. The automatic water supply testing device for the dewfall test according to claim 3, wherein the driving assembly comprises a cylinder (210), the cylinder (210) is arranged outside the housing (100), a cylinder rod (211) is arranged in the cylinder (210), the cylinder rod (211) penetrates through the housing (100) and is fixedly connected with the test object stage (230), the time relay is connected with the cylinder (210) through an electromagnetic valve, and the cylinder rod (211) is controlled to push the test object stage (230) to repeatedly move and test in a normal temperature area and a wet and hot area.
5. The automatic water supply testing device for the dew condensation test according to claim 1, wherein the sliding assembly is a guide rail (220) arranged on the inner wall of the housing (100) and a guide groove (221) arranged on the test object stage (230).
6. The automatic water supply testing device for the dew condensation test is characterized in that the water vapor supply mechanism comprises a heating water tank (310), a water boiler and a water pump, wherein the heating water tank (310) is used for circularly supplying water, storing water and heating to keep the water temperature constant, and continuously generating steam to form a wet and hot area; the rest part of the shell (100) is a normal temperature zone.
7. The automatic water supply testing device for the dewing test is characterized in that the boiler is arranged inside the heating water tank (310) and connected with the control system, and the control system is started after the heating is continuously carried out at 100 ℃.
8. The automatic water supply testing device for the dew condensation test according to claim 6, wherein the water vapor supply mechanism further comprises a water level detector, a liquid level indicator and a water pump, the water level detector is arranged inside the heating water tank (310) and is used for detecting the height of the water level in the heating water tank; the liquid level device is arranged inside the heating water tank (310), is connected with the water pump and is used for starting the water pump to supply water.
9. A testing method of the dew condensation test automatic water supply testing device according to claim 1, characterized by comprising the steps of:
(1) placing a number of test samples on a test stage (230);
(2) the steam supply mechanism automatically supplies and stores water, and continuously supplies high-temperature steam to form a damp-heat area;
(3) after the condition of the wet and hot area is stable, the control system sets the time for pushing the driving assembly and the test time, the driving assembly is controlled to push the test object stage (230) to move on the sliding assembly, the test object stage moves to the wet and hot area from the normal temperature area, the dewing test starts, the test time is set by the control system, the driving assembly brings the test object stage (230) back to reset, and the test object stage circularly reciprocates until the cycle period set by the control system, so that the dewing test is completed.
10. The test method according to claim 9, wherein the water vapor supply mechanism comprises a heating water tank (310), a water level detector, a liquid level gauge, a water pump and a boiler;
the water vapor supply mechanism senses and monitors the water level in the heating water tank (310) through a water level detector, when the water level in the heating water tank (310) is lower than the lower limit water level, the liquid level device works to supply power to the water pump, and the water pump is conducted to add water into the heating water tank (310);
when the water level is limited to the upper limit, the liquid level device is powered off, the water pump stops working, the water in the heating water tank (310) is always kept at the lowest limit position, and water is automatically supplied;
the steam supply mechanism works through a water boiler and continuously heats the water to keep the water temperature at 100 ℃.
11. The test method of claim 9, wherein the control system comprises a time relay and a solenoid valve;
the driving assembly comprises a cylinder (210), and the cylinder (210) is provided with a cylinder rod (211);
a plurality of test samples are placed on the air holes (231) of the test objective table (230), after the test conditions of the humid and hot area are stable, the control system controls the operation time of pneumatic operation through the time relay, when the time of the time relay is up, the pneumatic electromagnetic valve is electrified to act, the air pressure pushes the air cylinder rod (211) to move, the air cylinder rod (211) pushes the test objective table (230) to the upper part of the humid and hot area to carry out placement test, and the arrangement range of the air holes (231) can ensure that the test samples are uniformly tested in the humid and hot area;
when the test time reaches, the electromagnetic valve is powered off, the air cylinder rod (211) is reset, the test object stage (230) is placed with a normal temperature zone, and the test is performed in a circulating mode by taking the normal temperature zone as a period.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011160541.2A CN112014428A (en) | 2020-10-27 | 2020-10-27 | Automatic water supply testing device for condensation test and testing method thereof |
| PCT/CN2020/139851 WO2022088464A1 (en) | 2020-10-27 | 2020-12-28 | Automatic water supply testing apparatus and testing method for condensation testing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011160541.2A CN112014428A (en) | 2020-10-27 | 2020-10-27 | Automatic water supply testing device for condensation test and testing method thereof |
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| CN112014428A true CN112014428A (en) | 2020-12-01 |
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| CN202011160541.2A Pending CN112014428A (en) | 2020-10-27 | 2020-10-27 | Automatic water supply testing device for condensation test and testing method thereof |
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| WO (1) | WO2022088464A1 (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022088464A1 (en) * | 2020-10-27 | 2022-05-05 | 广州奥松电子有限公司 | Automatic water supply testing apparatus and testing method for condensation testing |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022088464A1 (en) * | 2020-10-27 | 2022-05-05 | 广州奥松电子有限公司 | Automatic water supply testing apparatus and testing method for condensation testing |
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| WO2022088464A1 (en) | 2022-05-05 |
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Application publication date: 20201201 |