CN112014305A - Water-air spraying device and environment simulation system - Google Patents
Water-air spraying device and environment simulation system Download PDFInfo
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- CN112014305A CN112014305A CN202010906597.1A CN202010906597A CN112014305A CN 112014305 A CN112014305 A CN 112014305A CN 202010906597 A CN202010906597 A CN 202010906597A CN 112014305 A CN112014305 A CN 112014305A
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Abstract
The application provides a water vapor spraying device and an environment simulation system. The water-air spraying device is used for being installed on an environmental test box with a heating load and comprises a first pipeline, a second pipeline, a water draining pipeline, a first valve, a second valve, a third valve and a nozzle, wherein the first pipeline and the second pipeline are communicated with the nozzle; the nozzle is arranged in the environmental test chamber, and at least one end of the drainage pipeline is positioned outside the environmental test chamber; the first valve is arranged on the first pipeline and is positioned between the drainage pipeline and the nozzle; the second valve is arranged on the second pipeline, and the drainage pipeline is positioned between the second valve and the nozzle; the third valve is arranged on the drainage pipeline. The pipe section in the environmental test chamber has no residual water, is little influenced by the change of the temperature in the environmental test chamber and is not easy to damage.
Description
Technical Field
The invention relates to the technical field of environment simulation, in particular to a water-gas spraying device and an environment simulation system.
Background
The conventional humidification mode of humiture environment test box is electrode (heat) mode, and the air treatment process is isothermal humidification, and when the incasement had the load that generates heat, the humiture curve can't satisfy experimental requirement, and for the humiture reaches experimental requirement in the proof box, when the incasement had the load that generates heat, the proof box need improve to adopt isenthalpic spraying humidification mode, combine PID control algorithm to satisfy experimental requirement.
The inventor researches and discovers that the existing environmental test chamber with the heating load has the following defects:
the spray humidifying device is easy to damage, short in service life and high in cost.
Disclosure of Invention
The invention aims to provide a water-gas spraying device and an environment simulation system, which can reduce the damage probability of the spraying device, prolong the service life of the spraying device and reduce the cost.
The embodiment of the invention is realized by the following steps:
in a first aspect, an embodiment of the present invention provides a water vapor spraying device for being mounted on an environmental test chamber with a heat load, including:
the device comprises a first pipeline, a second pipeline, a drainage pipeline, a first valve, a second valve, a third valve and a nozzle, wherein the first pipeline and the second pipeline are communicated with the nozzle; the nozzle is arranged in the environmental test chamber, and at least one end of the drainage pipeline is positioned outside the environmental test chamber;
the first valve is arranged on the first pipeline and is positioned between the drainage pipeline and the nozzle; the second valve is arranged on the second pipeline, and the drainage pipeline is positioned between the second valve and the nozzle; the third valve is arranged on the drainage pipeline.
In an alternative embodiment, at least one of the first valve, the second valve and the third valve is provided as a solenoid valve.
In an optional embodiment, the water gas spraying device further comprises a first pressure regulating valve, and the first pressure regulating valve is arranged on the first pipeline.
In an optional embodiment, the water gas spraying device further comprises a second pressure regulating valve, and the second pressure regulating valve is arranged on the second pipeline.
In an alternative embodiment, the water vapor spraying device further comprises a first filter valve, and the first filter valve is arranged on the first pipeline.
In an alternative embodiment, the water vapor spraying device further comprises a second filter valve, and the second filter valve is arranged on the second pipeline.
In a second aspect, an embodiment of the present invention provides an environment simulation system, where the environment simulation system includes:
the water vapor spraying device of any one of the preceding embodiments, the nozzle of the water vapor spraying device is arranged in the environmental test chamber, and at least one end of the drainage pipeline of the water vapor spraying device is positioned outside the environmental test chamber.
In an optional embodiment, the environmental simulation system further comprises a heating device, a dehumidifying device and a refrigerating device, and the heating device, the dehumidifying device and the refrigerating device are all connected with the environmental test chamber.
In an alternative embodiment, the environmental simulation system further comprises a humidifying boiler, and the humidifying boiler is arranged in the environmental test chamber.
In an optional embodiment, the environmental simulation system further includes a temperature and humidity monitoring device, and the temperature and humidity monitoring device is used for monitoring the temperature and the humidity in the environmental test chamber.
The embodiment of the invention has the beneficial effects that:
in summary, the present embodiment provides a water vapor spraying device for being installed in an environmental test chamber to humidify the environmental test chamber so as to simulate a suitable humidity environment in the environmental test chamber. During operation, the first pipeline and the second pipeline are respectively filled with gas and water, and meanwhile, it is noted that water is filled in a pipeline connected with one end of the drainage pipeline, which is positioned outside the environmental test chamber, for example, one end of the drainage pipeline, which is connected with the second pipeline, is positioned outside the environmental test chamber. Specifically, gas is introduced into the first pipeline, water is introduced into the second pipeline, in the process, the first valve and the second valve are both opened, the third valve is closed, the gas enters the nozzle from the first pipeline, the water enters the nozzle from the second pipeline, and the gas is used for impacting the water so that the atomized water is sprayed into the environmental test box from the nozzle.
After the spray humidification operation is completed, the first valve and the second valve are closed, the third valve is opened at the same time, the first pipeline is continuously utilized to input gas, the gas enters the drainage pipeline from the first pipeline, then flows into the second pipeline and flows to the nozzle from the second pipeline, and when the gas flows in the second pipeline, the water in the pipe section between the second pipeline and the nozzle is discharged from the nozzle, so that the pipe section between the position where the second pipeline is communicated with the drainage pipeline and the nozzle does not have residual water, and the pipe section of the second pipeline in the environmental test box is ensured to have no residual water. In the environmental test case operation process, need simulate environment such as high temperature low temperature, because there is not water in the pipeline section that is located the environmental test incasement, this pipeline section receives high temperature and microthermal influence little, and this pipeline section is heated the thermal expansion and is warp all lessly when contracting with receiving cold, and is not fragile, long service life, with low costs.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
Fig. 1 is a schematic view of a water-air spraying device and an environmental test chamber according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an environment simulation system according to an embodiment of the present invention.
Icon:
100-water vapor spraying device; 110-a first conduit; 111-a first pressure regulating valve; 112-a first filter valve; 120-a second conduit; 121-pipe section; 122-a second pressure regulating valve; 123-a second filter valve; 130-a drainage pipeline; 131-a first end; 132-a second end; 140-a first valve; 150-a second valve; 160-a third valve; 170-a nozzle; 180-a pressure controller; 200-a heating device; 300-a humidifying boiler; 400-a dehumidifying unit; 500-a refrigeration device; 600-a temperature and humidity detection device; 700-operation screen; 800-a control device; 900-environmental test chamber; 001-door body; 002-observation window.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, the present embodiment provides a water vapor spraying apparatus 100 for simulating a humidity environment in an environmental test chamber 900 with a heating load, wherein the water vapor spraying apparatus 100 has a reasonable structure, is less affected by temperature changes in the environmental test chamber 900, is not easily damaged, has a long service life, and is low in cost.
Referring to fig. 1, in the present embodiment, the water vapor spraying apparatus 100 includes a first pipe 110, a second pipe 120, a water discharge pipe 130, a first valve 140, a second valve 150, a third valve 160, and a nozzle 170, wherein the first pipe 110 and the second pipe 120 are both communicated with the nozzle 170, one end of the water discharge pipe 130 is communicated with the first pipe 110, and the other end of the water discharge pipe 130 is communicated with the second pipe 120; the nozzle 170 is arranged in the environmental test chamber 900, and at least one end of the drainage pipeline 130 is positioned outside the environmental test chamber 900;
the first valve 140 is disposed on the first pipe 110 and between the drain pipe 130 and the nozzle 170; the second valve 150 is disposed on the second pipe 120, and the drain pipe 130 is located between the second valve 150 and the nozzle 170; the third valve 160 is disposed on the drain line 130.
The water vapor spraying device 100 provided by the embodiment is installed in the environmental test chamber 900, and is used for humidifying the environmental test chamber 900 so as to simulate a proper humidity environment in the environmental test chamber 900. During operation, gas and water are respectively introduced into the first pipeline 110 and the second pipeline 120, and meanwhile, it is noted that water is introduced into the pipeline connected to the end of the water discharge pipeline 130 located outside the environmental test chamber 900, for example, the end of the water discharge pipeline 130 connected to the second pipeline 120 is located outside the environmental test chamber 900, for convenience of scoffle, the end of the water discharge pipeline 130 communicated with the first pipeline 110 is the first end 131, the end of the water discharge pipeline 130 communicated with the second pipeline 120 is the second end 132, and the second end 132 is located outside the environmental test chamber 900. Specifically, gas is introduced into the first pipe 110, water is introduced into the second pipe 120, in the process, the first valve 140 and the second valve 150 are both opened, the third valve 160 is closed, gas enters the nozzle 170 from the first pipe 110, water enters the nozzle 170 from the second pipe 120, and water is impacted by the gas so as to be sprayed into the environmental test chamber 900 from the nozzle 170 in an atomized state.
When the spray humidification operation is completed, the first valve 140 and the second valve 150 are closed, and the third valve 160 is opened, the gas is continuously supplied into the first pipe 110, with the first valve 140 closed and the third valve 160 open, gas does not pass directly from the first conduit 110 to the nozzle 170, but rather from the first conduit 110, into the drain conduit 130 at the first end 131, and then into the second conduit 120 at the second end 132, since the second valve 150 is closed, the gas is not discharged from the end of the second pipe 120 away from the nozzle 170, the gas flows from the second pipe 120 to the nozzle 170, and when the gas flows in the second pipe 120, the water in the section 121 of the second conduit 120 between the second end 132 and the nozzle 170 is discharged from the nozzle 170, so that no water remains in the pipe segment 121 between the position where the second pipe 120 and the drain pipe 130 communicate with the nozzle 170, that is, the pipe segment 121 where the second pipe 120 is located in the environmental test chamber 900 is ensured to have no water remaining.
In the operation process of the environmental test box 900, environments such as high temperature and low temperature need to be simulated, because water in the pipe section 121 for water passing in the environmental test box 900 is discharged from the nozzle 170 in a blowing mode, and air drying is realized in the blowing process, not only residual water is not left in the pipe section 121, but also water on the pipe wall is air-dried, the pipe section 121 is in a dry environment, the pipe section 121 is less affected by high temperature and low temperature, and the pipe section 121 has small deformation when being heated, expanded and contracted by cold, is not easy to damage, has long service life and is low in cost; thereby prolonging the service life of the water-gas spraying device 100 and reducing the maintenance cost.
In this embodiment, it should be noted that at least one of the first valve 140, the second valve 150, and the third valve 160 is an electromagnetic valve, which has high automation degree and is convenient for control.
In this embodiment, the first valve 140, the second valve 150, and the third valve 160 are provided as solenoid valves.
In this embodiment, optionally, the water vapor spraying apparatus 100 further includes a first pressure regulating valve 111 and a second pressure regulating valve 122, the first pressure regulating valve 111 is disposed on the first pipe 110, and the second pressure regulating valve 122 is disposed on the second pipe 120.
Optionally, the first valve 140 is located between the first pressure regulating valve 111 and the nozzle 170.
Optionally, a second valve 150 is located between the second pressure regulating valve 122 and the nozzle 170.
In this embodiment, the first pressure regulating valve 111 is used for regulating the pressure in the first pipe 110, for example, when gas is introduced into the first pipe 110, the first pressure regulating valve is used for regulating the gas pressure in the first pipe 110. The second pressure regulating valve 122 is used to regulate the pressure in the second pipe 120, and for example, when water is introduced into the second pipe 120, the pressure of the water in the second pipe 120 can be regulated.
Meanwhile, the first valve 140, the second valve 150, the first pressure regulating valve 111 and the second pressure regulating valve 122 are all in communication connection with the control device 800 of the environmental simulation system, and the control device 800 controls the states of the valves in a PID control manner, so that the humidity in the environmental test chamber 900 can be better controlled.
In this embodiment, optionally, the water vapor spraying apparatus 100 further includes a first filtering valve 112 and a second filtering valve 123, the first filtering valve 112 is disposed on the first pipe 110, and the second filtering valve 123 is disposed on the second pipe 120.
Alternatively, the first filter valve 112 is disposed between the inlet of the first pipe 110 and the first pressure regulating valve 111, and the fluid entering from the inlet of the first pipe 110 must pass through the first filter valve 112, then pass through the first pressure regulating valve 111, the first valve 140, and finally enter the nozzle 170, so that the first pipe 110 and the nozzle 170 are not easily clogged.
Alternatively, the second filter valve 123 is disposed between the inlet of the second pipe 120 and the second pressure regulating valve 122, and the fluid entering from the inlet of the second pipe 120 must pass through the second filter valve 123, then pass through the second pressure regulating valve 122, the first valve 140, and finally enter the nozzle 170, so that the second pipe 120 and the nozzle 170 are not easily blocked.
Optionally, the water-gas spraying system further comprises a pressure controller 180, and the first pipe 110 and the second pipe 120 are both provided with one pressure controller 180.
After the humidification operation is completed, the pipe segment 121 in the environmental test chamber 900 in the second pipe 120 for passing water has no residual water, and is less affected by the temperature change in the environmental test chamber 900 and is not easily damaged.
Referring to fig. 2, the present embodiment further provides an environment simulation system, which includes an environment test chamber 900 and the water vapor spraying device 100 mentioned in the above embodiments, wherein the nozzle 170 of the water vapor spraying device 100 is disposed in the environment test chamber 900 to humidify the environment test chamber 900, so as to simulate a set humidity environment.
Optionally, the environment simulation system further includes a heating device 200, a humidification boiler 300, a dehumidification device 400, a refrigeration device 500 and a temperature and humidity detection device 600, the heating device 200, the humidification boiler 300, the dehumidification device 400 and the refrigeration device 500 are all connected with the environment test box 900, and the heating device 200 and the refrigeration device 500 are used for controlling the temperature of the environment test box 900 in a matching manner. The humidification boiler 300, the water vapor spray device 100 and the dehumidification device 400 may be operated individually or in combination to control the humidity within the environmental test chamber 900. The temperature and humidity detecting device 600 is used for detecting the temperature and humidity in the environmental test chamber 900.
The heating device 200 that this embodiment provided, the humidification boiler 300, dehydrating unit 400, refrigerating plant 500 and temperature and humidity detection device 600 all with environmental simulation system's controlling means 800 communication connection, adopt the PID control mode to control, the actual humiture in the environmental test case 900 that acquires through temperature and humidity detection device 600 compares with the humiture of settlement, with deviation value transmission to PID arithmetic element, output operation result, judge according to the condition, if the deviation then control refrigerating plant 500 cools down on the temperature, otherwise, control heating device 200 heats.
Meanwhile, when a conventional temperature and humidity test is carried out, only the humidifying boiler 300 can be used for humidifying; when the heating load in the environmental test chamber 900 is tested, the water-air spraying device 100 is used for spraying and humidifying, and the heating amount of the load can be taken away while the spraying and humidifying are carried out, so that the heat load resistance of the environmental test chamber 900 is improved. When the humidity in the environmental test chamber 900 needs to be reduced, dehumidification is performed by the dehumidification device 400.
In this embodiment, the heat-generating load may be a device to be tested or a part of the device to be tested, which is received in the environmental test chamber 900 and generates heat during the test process.
It should be noted that the environment simulation system further includes an operation panel 700, a door 001, and an observation window 002, and the operation panel 700 is connected to the control device 800 in a communication manner and is used for inputting an operation instruction. The door body 001 is movably connected with the environmental test chamber 900 and can open or close an opening on the environmental test chamber 900. The observation window 002 is arranged on the door body 001, so that the condition in the environmental test chamber 900 can be observed through the observation window 002.
The environment simulation system that this embodiment provided, the control of humiture is convenient reliable, and job stabilization is reliable, and is not fragile.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A water vapor spraying device for being mounted on an environmental test chamber with a heat-generating load, comprising:
the device comprises a first pipeline, a second pipeline, a drainage pipeline, a first valve, a second valve, a third valve and a nozzle, wherein the first pipeline and the second pipeline are communicated with the nozzle; the nozzle is arranged in the environmental test chamber, and at least one end of the drainage pipeline is positioned outside the environmental test chamber;
the first valve is arranged on the first pipeline and is positioned between the drainage pipeline and the nozzle; the second valve is arranged on the second pipeline, and the drainage pipeline is positioned between the second valve and the nozzle; the third valve is arranged on the drainage pipeline.
2. The water gas spray device according to claim 1, wherein:
at least one of the first valve, the second valve and the third valve is set to be an electromagnetic valve.
3. The water gas spray device according to claim 1, wherein:
the water gas spraying device further comprises a first pressure regulating valve, and the first pressure regulating valve is arranged on the first pipeline.
4. The water gas spray device according to claim 1, wherein:
the water gas spraying device further comprises a second pressure regulating valve, and the second pressure regulating valve is arranged on the second pipeline.
5. The water gas spray device according to claim 1, wherein:
the water vapor spraying device further comprises a first filter valve, and the first filter valve is arranged on the first pipeline.
6. The water gas spray device according to claim 1, wherein:
the water vapor spraying device further comprises a second filter valve, and the second filter valve is arranged on the second pipeline.
7. An environmental simulation system, comprising:
an environmental test chamber and the water-gas spraying device of any one of claims 1 to 6, wherein the nozzle of the water-gas spraying device is arranged in the environmental test chamber, and at least one end of the drainage pipeline of the water-gas spraying device is positioned outside the environmental test chamber.
8. The environmental simulation system of claim 7, wherein:
the environment simulation system further comprises a heating device, a dehumidifying device and a refrigerating device, wherein the heating device, the dehumidifying device and the refrigerating device are all connected with the environment test box.
9. The environmental simulation system of claim 7, wherein:
the environment simulation system further comprises a humidifying boiler, and the humidifying boiler is arranged in the environment test box.
10. The environmental simulation system of claim 7, wherein:
the environment simulation system further comprises a temperature and humidity monitoring device, and the temperature and humidity monitoring device is used for monitoring the temperature and the humidity in the environment test box.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010906597.1A CN112014305A (en) | 2020-09-01 | 2020-09-01 | Water-air spraying device and environment simulation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010906597.1A CN112014305A (en) | 2020-09-01 | 2020-09-01 | Water-air spraying device and environment simulation system |
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| CN112014305A true CN112014305A (en) | 2020-12-01 |
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| CN202010906597.1A Pending CN112014305A (en) | 2020-09-01 | 2020-09-01 | Water-air spraying device and environment simulation system |
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