CN114237315A - Anti-pollution method of humidity control-containing environmental test equipment - Google Patents
Anti-pollution method of humidity control-containing environmental test equipment Download PDFInfo
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- CN114237315A CN114237315A CN202111364894.9A CN202111364894A CN114237315A CN 114237315 A CN114237315 A CN 114237315A CN 202111364894 A CN202111364894 A CN 202111364894A CN 114237315 A CN114237315 A CN 114237315A
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- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D22/00—Control of humidity
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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Abstract
The invention discloses an anti-pollution method of humidity-containing control environment test equipment, wherein a pipeline stop valve and an exhaust switch are additionally arranged on an anti-pollution water feeding pipeline; the uncovered water tank is changed into a totally-enclosed water tank, and a special air inlet and outlet pipeline is added; controlling the inlet of humidifying water through a valve, and simultaneously detecting the water quality until the water quality meets the requirement; and (5) opening a bottom valve after the test is finished, and completely draining the water in the humidification system. The method can effectively prevent the pollution problem when the humidification system does not work in the life cycle, thereby reducing the faults of the humidification system of the test box and prolonging the actual service life.
Description
Technical Field
The invention belongs to the technical field of test equipment, and particularly relates to an anti-pollution method of the test equipment.
Background
The pollution prevention measures of the humidification system of the existing environment test equipment with humidity control are extremely crude. The humidifying system is divided into two types, one is a water tank-free system for supplying water for the humidifying system by a pipeline, and the other is designed by adopting a self-contained water tank type. In the first type of equipment, although the humidifying system is provided with a water quality filtering device, no medium is discharged from a detection port, and whether the water quality treated by the humidifying system meets the requirements of relevant test standards cannot be guaranteed or verified. In the second type of equipment, the system design is too simple, firstly, the design mode of adding the tank cover to the water tank is usually adopted, the water tank cover is taken off when water is added, and the water tank cover is installed after the water is added, so that the requirements of the humidifying system and the water quality are met, and meanwhile, no medium discharge detection port is designed in the equipment. To sum up, above-mentioned two kinds of humidification systems firstly anti-pollution design is not in place, and either one can not accomplish completely: the humidifying system is ensured not to cause the pollution of humidifying water, so that the humidifying water exceeds the standard, the water quality of test water finally cannot meet the requirements of relevant test standards, and the correctness of a test conclusion is influenced; secondly, after the tests of the two humidification systems are finished, the humidification water in the systems cannot be completely drained, so that when the damp-heat test is not carried out on the equipment, the humidification systems are seriously polluted along with the natural evaporation of the humidification water in the systems, the faults and the service life of the humidification systems are shortened due to corrosion of components, the systems cannot be cleaned, and the humidity control function of the equipment cannot be used.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides an anti-pollution method of a humidity control environment test device, wherein a pipeline stop valve and a discharge switch are additionally arranged on an anti-pollution water feeding pipeline; the uncovered water tank is changed into a totally-enclosed water tank, and a special air inlet and outlet pipeline is added; controlling the inlet of humidifying water through a valve, and simultaneously detecting the water quality until the water quality meets the requirement; and (5) opening a bottom valve after the test is finished, and completely draining the water in the humidification system. The method can effectively prevent the pollution problem when the humidification system does not work in the life cycle, thereby reducing the faults of the humidification system of the test box and prolonging the actual service life.
The technical scheme adopted by the invention for solving the technical problem comprises the following steps:
step 1: for an anti-pollution humidification system of environmental test equipment with a water tank and humidity control, a pipeline in front of the water tank in the system is changed into an anti-pollution water adding pipeline, and a pipeline stop valve and a discharge switch are additionally arranged on the anti-pollution water adding pipeline; the uncovered water tank is changed into a totally-enclosed water tank, and a special air inlet and exhaust pipeline is added;
step 2: before the test, the first valve, the second valve and the bottom valve are all in closed positions;
and step 3: adding humidifying water meeting the test standard requirement into the anti-pollution water adding pipeline until the anti-pollution water adding pipeline is completely filled, then opening a second valve, sampling the humidifying water and detecting the water quality by using an instrument, if the humidifying water is not qualified, completely opening the second valve, then emptying, closing the second valve again, adding water, repeating the operation of the step (3), and closing the second valve until the humidifying water quality is qualified;
and 4, step 4: opening the first valve, continuously adding water until the water tank is full, starting the humidification system to perform pre-test operation, stopping the test after the humidity changes, opening the bottom valve to sample humidification water, using an instrument to detect water quality, completely opening the bottom valve to drain water if the water quality is unqualified, and closing the bottom valve again; repeating the step 4 until the water quality is detected to be qualified, and closing the bottom valve and the first valve;
and 5: starting a formal test of the humidification system, if humidification water needs to be supplemented in the test period, returning to execute the step 3 and the step 4 until the water quality is detected to be qualified, then opening a first valve to supplement water, and closing the first valve after the water supplement is finished;
step 6: after the test is finished, opening a bottom valve to completely drain the water in the humidification system;
and 7: the anti-pollution humidification system is used for an environmental test device without a water tank and containing humidity control, and a water quality detection discharge port is arranged at the lowest position;
and 8: before the test, the third valve, the fourth valve and the fifth valve are all in closed positions;
and step 9: opening the third valve and the fourth valve, discharging humidifying water, and using an instrument to detect the water quality, if the humidifying water is not qualified, replacing all stored water in the water supply pipeline system until the water quality is qualified;
step 10: closing the fourth valve, starting the humidification system to perform pre-test operation, stopping the test after the humidity changes, opening the fifth valve to discharge humidification water, detecting the water quality by using an instrument, closing the third valve if the water quality is unqualified, opening the fifth valve, opening the third valve after the water stored in the humidification system is emptied, closing the fifth valve, and repeating the pre-test operation until the test water quality is qualified;
step 11: opening the third valve, closing the fourth valve and the fifth valve, and starting the humidifying system to carry out formal test;
step 12: and (5) after the test is finished, closing the third valve, opening the fifth valve, and completely draining the water in the humidification system.
The invention has the following beneficial effects:
the invention has simple structure and easy realization, can ensure the scientificity and fairness of the test, and simultaneously has important influence on preventing the problem that the humidifying system cannot be used due to the damage of devices, the incapability of cleaning and the like caused by pollution so as to shorten the service life of the equipment.
Drawings
FIG. 1 is a diagram of the pollution prevention humidification system of the environmental test equipment with humidity control in the water tank.
FIG. 2 is a diagram of the pollution prevention humidification system of the environmental test equipment without a water tank and with humidity control according to the invention.
In the figure, 1-a first valve, 2-a second valve, 3-a third valve, 4-a first water discharge port, 5-a second water discharge port, 6-a heating pipe, 7-a steam generation chamber, 8-a water tank, 9-a water pump, 10-a water injection port, 11-a third valve, 12-a fourth valve, 13-a fifth valve, 14-equipment with a regenerative filter and 15-pipeline pressure water supply.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
The invention aims to improve the pollution problem of a humidification system of environmental test equipment with humidity control, and solve the problems of high fault rate and short service life of the humidification system of the test equipment, and incorrect test conclusion caused by the fact that the existing humidification system of the environmental test equipment with humidity control cannot meet the standard requirement when tests are carried out.
Step 1: for an anti-pollution humidification system of the environmental test equipment with the humidity control and the water tank 8, a pipeline in the system before the water tank 8 is changed into an anti-pollution water adding pipeline, and a pipeline stop valve and a discharge switch are additionally arranged on the anti-pollution water adding pipeline; the uncovered water tank is changed into a totally-enclosed water tank, and a special air inlet and exhaust pipeline is added;
step 2: before the test, the first valve 1, the second valve 2 and the bottom valve 3 are all in the closed position;
and step 3: adding humidification water meeting the test standard requirements into the anti-pollution water adding pipeline until the anti-pollution water adding pipeline is completely filled, then opening the second valve 2, sampling the humidification water and detecting the water quality by using an instrument, if the humidification water is not qualified, completely opening the second valve 2 and then emptying, closing the second valve 2 again and adding water, and repeating the operation of the step 3 until the humidification water quality is qualified and then closing the second valve 2;
and 4, step 4: opening the first valve 1, continuously adding water until the water tank 8 is full, starting the humidification system to perform pre-test operation, stopping the test after the humidity changes, opening the bottom valve 3 to sample humidification water, detecting the water quality by using an instrument, if the water quality is unqualified, completely opening the bottom valve 3 to drain the water, and closing the bottom valve 3 again; repeating the step 4 until the water quality is detected to be qualified, and closing the bottom valve 3 and the first valve 1;
and 5: starting a formal test of the humidification system, if humidification water needs to be supplemented in the test period, returning to execute the step 3 and the step 4 until the water quality is detected to be qualified, then opening the first valve 1 for supplementing water, and closing the first valve 1 after the water supplementation is finished;
step 6: after the test is finished, opening a bottom valve 3, and completely draining the water in the humidification system;
and 7: the anti-pollution humidification system is used for an environmental test device without a water tank and containing humidity control, and a water quality detection discharge port is arranged at the lowest position;
and 8: before the test, the third valve 11, the fourth valve 12 and the fifth valve 13 are all in the closed position;
and step 9: opening a third valve 11 and a fourth valve 12, discharging humidifying water, and using an instrument to detect the water quality, if the humidifying water is not qualified, replacing all stored water in a water supply pipeline system until the water quality is qualified;
step 10: closing the fourth valve 12, starting the humidification system to perform pre-test operation, stopping the test after the humidity changes, opening the fifth valve 13 to discharge humidification water, detecting the water quality by using an instrument, closing the third valve 11, opening the fifth valve 13, emptying the water stored in the humidification system, opening the third valve 11, closing the fifth valve 13, and repeating the pre-test operation until the water quality for the test is detected to be qualified;
step 11: opening the third valve 11, closing the fourth valve 12 and the fifth valve 13, and starting a formal test of the humidification system;
step 12: and (5) closing the third valve 11 and opening the fifth valve 13 after the test is finished, and completely draining the water in the humidification system.
Claims (1)
1. An anti-pollution method for environmental test equipment with humidity control is characterized by comprising the following steps:
step 1: for an anti-pollution humidification system of environmental test equipment with a water tank and humidity control, a pipeline in front of the water tank in the system is changed into an anti-pollution water adding pipeline, and a pipeline stop valve and a discharge switch are additionally arranged on the anti-pollution water adding pipeline; the uncovered water tank is changed into a totally-enclosed water tank, and a special air inlet and exhaust pipeline is added;
step 2: before the test, the first valve, the second valve and the bottom valve are all in closed positions;
and step 3: adding humidifying water meeting the test standard requirement into the anti-pollution water adding pipeline until the anti-pollution water adding pipeline is completely filled, then opening a second valve, sampling the humidifying water and detecting the water quality by using an instrument, if the humidifying water is not qualified, completely opening the second valve, then emptying, closing the second valve again, adding water, repeating the operation of the step (3), and closing the second valve until the humidifying water quality is qualified;
and 4, step 4: opening the first valve, continuously adding water until the water tank is full, starting the humidification system to perform pre-test operation, stopping the test after the humidity changes, opening the bottom valve to sample humidification water, using an instrument to detect water quality, completely opening the bottom valve to drain water if the water quality is unqualified, and closing the bottom valve again; repeating the step 4 until the water quality is detected to be qualified, and closing the bottom valve and the first valve;
and 5: starting a formal test of the humidification system, if humidification water needs to be supplemented in the test period, returning to execute the step 3 and the step 4 until the water quality is detected to be qualified, then opening a first valve to supplement water, and closing the first valve after the water supplement is finished;
step 6: after the test is finished, opening a bottom valve to completely drain the water in the humidification system;
and 7: the anti-pollution humidification system is used for an environmental test device without a water tank and containing humidity control, and a water quality detection discharge port is arranged at the lowest position;
and 8: before the test, the third valve, the fourth valve and the fifth valve are all in closed positions;
and step 9: opening the third valve and the fourth valve, discharging humidifying water, and using an instrument to detect the water quality, if the humidifying water is not qualified, replacing all stored water in the water supply pipeline system until the water quality is qualified;
step 10: closing the fourth valve, starting the humidification system to perform pre-test operation, stopping the test after the humidity changes, opening the fifth valve to discharge humidification water, detecting the water quality by using an instrument, closing the third valve if the water quality is unqualified, opening the fifth valve, opening the third valve after the water stored in the humidification system is emptied, closing the fifth valve, and repeating the pre-test operation until the test water quality is qualified;
step 11: opening the third valve, closing the fourth valve and the fifth valve, and starting the humidifying system to carry out formal test;
step 12: and (5) after the test is finished, closing the third valve, opening the fifth valve, and completely draining the water in the humidification system.
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| CN202111364894.9A CN114237315B (en) | 2021-11-17 | 2021-11-17 | Anti-pollution method of humidity control-containing environmental test equipment |
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| CN202111364894.9A CN114237315B (en) | 2021-11-17 | 2021-11-17 | Anti-pollution method of humidity control-containing environmental test equipment |
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| CN114237315A true CN114237315A (en) | 2022-03-25 |
| CN114237315B CN114237315B (en) | 2022-07-29 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120183457A1 (en) * | 2011-01-17 | 2012-07-19 | Paragon Space Development Corporation | Space Humidity Control Systems |
| CN207780006U (en) * | 2017-12-22 | 2018-08-28 | 贵阳学通仪器仪表有限公司 | A kind of Water Test Kits with automatic water-supply pipeline |
| CN211725798U (en) * | 2019-12-13 | 2020-10-23 | 中国民用航空总局第二研究所 | Constant temperature and humidity box with purification device and supply device |
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- 2021-11-17 CN CN202111364894.9A patent/CN114237315B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120183457A1 (en) * | 2011-01-17 | 2012-07-19 | Paragon Space Development Corporation | Space Humidity Control Systems |
| CN207780006U (en) * | 2017-12-22 | 2018-08-28 | 贵阳学通仪器仪表有限公司 | A kind of Water Test Kits with automatic water-supply pipeline |
| CN211725798U (en) * | 2019-12-13 | 2020-10-23 | 中国民用航空总局第二研究所 | Constant temperature and humidity box with purification device and supply device |
Non-Patent Citations (1)
| Title |
|---|
| 董杰: "湿热试验设备改造实践研究", 《环境技术》 * |
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