CN112014136B

CN112014136B - Environmental simulation test box

Info

Publication number: CN112014136B
Application number: CN202010906608.6A
Authority: CN
Inventors: 吴文峰; 彭祥友; 方亚; 张�杰; 蓝伟
Original assignee: Chongqing Artest Can Science And Technology Co ltd
Current assignee: Chongqing Artest Can Science And Technology Co ltd
Priority date: 2020-09-01
Filing date: 2020-09-01
Publication date: 2021-09-17
Anticipated expiration: 2040-09-01
Also published as: CN112014136A

Abstract

The application provides an environmental simulation test box which comprises a box body, a humidifier and a pressure release valve; the water vapor outlet of the humidifier is communicated with the box body and is used for adjusting the humidity in the box body; the inlet of the pressure release valve is arranged at the bottom of the box body and used for adjusting the air pressure in the box body. When the pressure is released, the inlet of the pressure release valve is positioned at the bottom of the box body, the amount of exhausted air in the box body is larger than the amount of exhausted water vapor, the water vapor in the box body is prevented from being exhausted in a large amount, the loss of the water vapor is reduced, and therefore the influence of the pressure release operation on the humidity environment in the box body is reduced. The loss of the steam in the box body is small, and the steam does not need to be supplemented too much, so that the water resource is saved; the running time and power of the humidifier are reduced, and the energy consumption is reduced.

Description

Environmental simulation test box

Technical Field

The invention relates to the technical field of environmental simulation, in particular to an environmental simulation test box.

Background

The high-low temperature damp-heat test chamber is used for simulating a temperature and humidity test environment. The device mainly comprises a refrigeration system, a heating system, a humidification system, a dehumidification system and a control system. When long-time damp-heat tests are carried out, a large amount of water vapor enters the closed test box, the pressure in the test box is increased, and the wet ball cup can be pressed out if the pressure is not released timely (a dry-wet ball method) or the test box can be damaged. Therefore, a pressure relief device is provided on the test chamber to balance the internal pressure of the test chamber.

The inventor researches and discovers that the existing environmental simulation test box has the following defects:

the humidity environment simulation effect in the test box is easily influenced when the pressure relief device relieves the pressure.

Disclosure of Invention

The invention aims to provide an environment simulation test box, which does not influence the humidity environment simulation effect in the test box during pressure relief.

The embodiment of the invention is realized by the following steps:

the embodiment of the invention provides an environment simulation test box, which comprises:

the humidifier comprises a box body, a humidifier and a pressure release valve;

the water vapor outlet of the humidifier is communicated with the box body and is used for adjusting the humidity in the box body;

the inlet of the pressure release valve is arranged at the bottom of the box body and used for adjusting the air pressure in the box body.

In an optional embodiment, the environmental simulation test chamber further comprises a water storage tank and a first water return pipeline, one end of the first water return pipeline is communicated with the chamber body, and the other end of the first water return pipeline is communicated with the water storage tank; the water storage tank is communicated with the tank body.

In an optional embodiment, an outlet of the pressure relief valve is provided with a first branch and a second branch, and the first branch is communicated with the first water return pipeline and is used for introducing water in the tank body into the water storage tank; the second branch is used for discharging the water vapor in the box body.

In an optional embodiment, the environmental simulation test chamber further comprises a drain line, the drain line is communicated with the first water return line, and a valve is arranged on at least one of the drain line and the first water return line.

In an optional embodiment, the environmental simulation test chamber further comprises a second water return pipeline, the second water return pipeline is used for receiving water at the humidifier, and the second water return pipeline is selectively communicated with the water drainage pipeline or the water storage tank.

In an optional embodiment, the environmental simulation test box further comprises a door body and a third water return pipeline, wherein the box body is provided with an operation port, and the door body is movably connected with the box body and used for opening or closing the operation port;

the third water return pipeline is used for receiving water at the door body, and the third water return pipeline is selectively communicated with the drainage pipeline or the water storage tank.

In an alternative embodiment, the environmental simulation test chamber further includes an exhaust pipe provided on the drain line.

In an alternative embodiment, the environmental simulation test chamber further comprises a filter, the first water return line is communicated with the filter, and the filter is communicated with the water storage tank.

In an optional embodiment, the environmental simulation test chamber further comprises a water quality detection mechanism, and a detection head of the water quality detection mechanism is arranged in the water storage tank and used for detecting the water quality in the water storage tank.

In an alternative embodiment, the humidifier is provided as a boiler.

The embodiment of the invention has the beneficial effects that:

to sum up, this embodiment provides an environmental simulation test case, including box, humidifier and relief valve, the humidifier is used for providing vapor for the box to simulate humidity environment in the box. The pressure relief valve is arranged on the box body and used for relieving pressure of the box body, pressure in the box body is balanced, and safety is improved. Simultaneously, the position of the relief valve on the box sets up rationally, also the import of relief valve is from the bottom and the box intercommunication of box, so design, because vapor's density is little, it is lighter to compare the air, the vapor that is located in the box compares the top that the air is close to the box more, also the gas in the box is the steam roughly at the layered state of last air under, the air that the bottom of box distributes is more, when the pressure release, the import of relief valve is located the bottom of box, the air quantity by the exhaust is greater than the volume by exhaust vapor in the box, avoided the interior steam of box to be discharged in a large number, the loss of steam has been reduced, thereby the influence of the pressure release operation to the humidity environment in the box has been reduced. The loss of the steam in the box body is small, and the steam does not need to be supplemented too much, so that the water resource is saved; the running time and power of the humidifier are reduced, and the energy consumption is reduced.

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 diagram of a perspective view of an environmental simulation test chamber according to an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an environmental simulation test chamber according to another aspect of the present invention;

FIG. 3 is a schematic structural diagram of another view of an environmental simulation test chamber according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a water circulation system according to an embodiment of the present invention.

Icon:

100-a box body; 200-a humidifier; 300-a pressure relief valve; 400-a water circulation system; 410-a water storage tank; 420-a first return pipe; 430-a first branch; 440-a second branch; 450-a second water return pipe; 460-a third water return pipe; 470-a filter; 480-a water quality detection mechanism; 490-a return line; 491-a three-way valve; 492-a drain pipe; 493-an exhaust pipe; 494-bypass.

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 to 4, the present embodiment provides an environmental simulation test chamber, which can simulate a temperature and humidity environment, so as to provide a good environment for equipment detection. This environmental simulation test case is difficult for discharging vapor when the pressure release to difficult influence humidity environment need not supply a large amount of vapor, reduces the energy consumption, saves the environmental protection.

Referring to fig. 1, 2 or 3, in the present embodiment, the environmental simulation test chamber includes a chamber 100, a humidifier 200 and a pressure relief valve 300;

a water vapor outlet of the humidifier 200 is communicated with the box body 100 and used for adjusting the humidity in the box body 100;

an inlet of the pressure relief valve 300 is provided at the bottom of the tank 100 for adjusting the air pressure in the tank 100.

The environmental simulation test chamber provided by the embodiment comprises a chamber 100, a humidifier 200 and a pressure release valve 300, wherein the humidifier 200 is used for providing water vapor for the chamber 100, so that a humidity environment is simulated in the chamber 100. The pressure release valve 300 is arranged on the box body 100 and used for releasing pressure for the box body 100, balancing the pressure in the box body 100 and improving safety. Simultaneously, the position of relief valve 300 on the box 100 sets up rationally, also the import of relief valve 300 communicates with box 100 from the bottom of box 100, so design, because the density of vapor is little, it is lighter to compare the air, the vapor that is located in box 100 compares the air and is close to the top of box 100 more, also the gas in box 100 roughly is the layering state of vapor under last air, the air that the bottom of box 100 distributes is more, when the pressure release, the import of relief valve 300 is located the bottom of box 100, the air volume of being discharged in the box 100 is greater than the volume of being discharged vapor, the vapor is discharged in a large number in the box 100 has been avoided, the loss of vapor in the box 100 has been reduced, thereby the influence of the humidity environment of pressure release operation in to box 100 has been reduced. The loss of the water vapor in the box body 100 is small, and the water vapor does not need to be supplemented too much, so that the water resource is saved; the running time and power of the humidifier 200 are reduced, the energy consumption is reduced, and the energy-saving and environment-friendly effects are achieved.

It should be noted that the box 100 has an opening through which the equipment can be accessed and an operator can access the internal components of the box 100.

Optionally, the upper opening of the box 100 is located at a side portion of the box 100, a door is disposed at the opening of the box 100, the door is movably connected with the box 100, for example, the door and the box are in sliding fit, and the door slides upwards to open the opening. Or the door body is hinged with the box body 100 by a hinge.

Referring to fig. 1 to fig. 3 and with reference to fig. 4, in the present embodiment, optionally, the environmental simulation test chamber further includes a water circulation system 400, the water circulation system 400 is capable of collecting and storing water in the chamber 100, and then providing a water source for the humidifier 200 by using the stored water, and providing water vapor for the chamber 100 by using the humidifier 200 so as to adjust humidity in the chamber 100, improve utilization efficiency of water resources, reduce energy consumption, save energy, and protect environment.

In this embodiment, the water circulation system 400 includes a water storage tank 410, a first water return pipe 420, a first branch 430, a second branch 440, a second water return pipe 450, a third water return pipe 460, a filter 470, and a water quality detection mechanism 480.

The first water return pipe 420, the second water return pipe 450, and the third water return pipe 460 are all communicated with the water storage tank 410, and the first water return pipe 420 is used for receiving water at the bottom of the tank 100 and delivering the water to the water storage tank 410. The second water return pipe 450 is used for receiving water from the humidifier 200 and delivering the water to the water storage tank 410. The third water return pipe 460 is used for receiving water at the door body and conveying the water to the water storage tank 410. The first branch 430 and the second branch 440 are both communicated with an outlet of the pressure relief valve 300, one end of the first branch 430 is communicated with the first water return pipe 420, and the other end of the first branch is located in the tank 100 and is used for introducing water at the bottom of the tank 100 into the first water return pipe 420. The second branch 440 serves to discharge water vapor inside the tank 100. The filter 470 is disposed at one end of the water inlet of the water storage tank 410, and water conveyed into the water storage tank 410 from the first water return pipe 420, the second water return pipe 450 and the third water return pipe 460 flows through the filter 470 and then enters the water storage tank 410, so as to improve the water quality in the water storage tank 410.

The water quality detection mechanism 480 is disposed in the water storage tank 410 and is used for detecting the water quality in the water storage tank 410.

Optionally, the pressure release valve 300 is disposed on the first branch 430, the pressure release valve 300 is configured to control on/off of the first branch 430, when the pressure release valve 300 is opened, the first branch 430 is in a smooth state, and water generated at the bottom of the box 100 flows into the first water return pipe 420 from the first branch 430. And the gas in the case 100 is discharged from the first branch 430 and from the second branch 440 together with the water flow, and the water and the gas in the case 100 are discharged through the first branch 430, thereby simplifying the structure and reducing the installation and manufacturing costs. Meanwhile, after the first branch 430 and the second branch 440 are assembled with the tank 100, the height of the end of the second branch 440 connected with the first branch 430 is lower than the height of the end of the second branch 440 far away from the first branch 430, so that when water and gas flow from the first branch 430 to the first return pipe 420, water flow cannot enter the second branch 440 from the communication position of the first branch 430 and the second branch 440, and water loss is not easy to occur; and gas is because its light in weight, when flowing to the intercommunication position of first branch road 430 and second branch road 440, gaseous second branch road 440 discharge can be followed smoothly, and because the vertical setting of second branch road 440, also can flow into first return pipe 420 way under the action of gravity at the drop of water that second branch road 440 pipe wall condensation formed, improves the utilization ratio of water resource.

Meanwhile, when the low-temperature test is performed, the pressure release valve 300 is closed, the first branch 430 is blocked, and water and gas in the box body 100 cannot be discharged, so that external air is prevented from entering the box body 100, the leakage of cold in the box body 100 is reduced, and more energy is saved.

Optionally, the water circulation system 400 further includes a return pipe 490, one end of the first return pipe 420, one end of the second return pipe 450, and one end of the third return pipe 460 are gathered and communicated with one end of the return pipe 490, and the other end of the return pipe 490 is communicated with the water storage tank 410. A filter 470 is provided on the return pipe 490.

Optionally, the water circulation system 400 further includes a three-way valve 491, a water discharge pipe 492 and an air discharge pipe 493, and the three-way valve 491 is disposed on the return pipe 490 for controlling the on/off of the return pipe 490. One end of the drain line 492 communicates with the three-way valve 491, and the exhaust pipe 493 communicates with the drain line 492.

When the water needs to be recovered, the three-way valve 491 is operated to block the flow path from the return pipe 490 to the water discharge pipe 492, the flow path from the return pipe 490 to the water storage tank 410 is unblocked, and the water in the first return pipe 420, the second return pipe 450 and the third return pipe 460 can be collected into the return pipe 490 and enter the water storage tank 410.

When the water is not required to be recovered, the three-way valve 491 is operated to open the flow path from the return pipe 490 to the drain pipe 492, the flow path from the return pipe 490 to the water storage tank 410 is blocked, and the water in the first return pipe 420, the second return pipe 450, and the third return pipe 460 can be collected into the drain pipe 492 and then discharged.

The user carries out flow path's control as required to realize the recovery or the emission of water, control the flexibility, the function is diversified. For example, after the filtering function of the filter 470 is reduced, the water quality detection mechanism 480 detects that the water quality in the water storage tank 410 is reduced, at this time, the user can close the flow path from the return pipe 490 to the water storage tank 410, directly discharge the return water, replace or repair the filter 470, enable the water to be recycled after marking, and improve the stability of the operation of the device.

In this embodiment, it should be noted that two valves may be used to replace the three-way valve 491, the two valves are respectively disposed on the water drainage pipe 492 and the return pipe 490, and a first valve is disposed on the water drainage pipe 492, a second valve is disposed on the return pipe 490, the first valve is opened, the second valve is closed, and at this time, the number of rows may be performed; the first valve is closed and the second valve is opened, at which time water recovery can take place.

It should be noted that the three-way valve 491, the first valve, and the second valve may be provided as solenoid valves.

Through setting up blast pipe 493, make the return water can get into storage water tank 410 smoothly or discharge from drain pipe 492, the return water is difficult to be blockked up in each pipeline, and the circulation of return water is more smooth and easy.

In other embodiments, a bypass 494 may be disposed at the second water return pipe 450, the bypass 494 may communicate with the second water return pipe 450, and the bypass 494 may receive the condensed water.

In this embodiment, optionally, the humidifier 200 is provided as a boiler, and the second water return pipe 450 is used for receiving return water generated at the boiler.

In other embodiments, the environmental simulation test chamber further comprises a heating system, a refrigerating system, a dehumidifying system and a control system, and the humidifier 200, the heating system, the refrigerating system and the dehumidifying system are all in communication connection with the control system, so that the automation degree is high.

Obviously, a temperature and humidity detection probe can be arranged in the box body 100 and used for detecting the temperature and humidity in the box body 100, so that the temperature and humidity in the box body 100 can be better regulated and controlled.

The environmental simulation test case that this embodiment provided, through being in the same place relief valve 300 and return water pipeline are integrated, and be located the bottom of box 100, can not appear a large amount of hot steam on the box 100 surface and emerge when carrying out damp and hot test, and can not cause a large amount of losses of vapor in the box 100 during the pressure relief, reduce the replenishment at vapor, reduce the consumption at water source, energy-concerving and environment-protective.

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

1. An environmental simulation test chamber, comprising:

the humidifier comprises a box body, a humidifier and a pressure release valve;

the inlet of the pressure release valve is arranged at the bottom of the box body and used for adjusting the air pressure in the box body;

the environment simulation test box further comprises a water storage tank and a first water return pipeline, one end of the first water return pipeline is communicated with the box body, and the other end of the first water return pipeline is communicated with the water storage tank; the water storage tank is communicated with the box body; the pressure release valve is arranged on the first branch, one end of the first branch is communicated with the bottom of the box body, and the pressure release valve is used for controlling the on-off of the first branch; one end of the first branch, one end of the second branch and one end of the first water return pipe are converged and communicated, and the height of the position where the first branch is communicated with the second branch is lower than that of one end of the second branch far away from the first branch; the first branch is used for introducing water in the box body into the first water return pipeline, and the second branch is used for discharging water vapor in the box body.

2. The environmental simulation test chamber of claim 1, wherein:

the environmental simulation test box further comprises a water drainage pipeline, the water drainage pipeline is communicated with the first water return pipeline, and at least one of the water drainage pipeline and the first water return pipeline is provided with a valve.

3. The environmental simulation test chamber of claim 2, wherein:

the environment simulation test box further comprises a second water return pipeline, the second water return pipeline is used for receiving water located at the humidifier, and the second water return pipeline is selectively communicated with the water drainage pipeline or the water storage tank.

4. The environmental simulation test chamber of claim 2, wherein:

the environment simulation test box also comprises a door body and a third water return pipeline, wherein an operation opening is formed in the box body, and the door body is movably connected with the box body and used for opening or closing the operation opening;

5. The environmental simulation test chamber of claim 2, wherein:

the environment simulation test box further comprises an exhaust pipe arranged on the drainage pipeline.

6. The environmental simulation test chamber of any one of claims 1 to 5, wherein:

the environment simulation test box further comprises a filter, the first water return pipeline is communicated with the filter, and the filter is communicated with the water storage tank.

7. The environmental simulation test chamber of claim 6, wherein:

the environment simulation test box further comprises a water quality detection mechanism, and a detection head of the water quality detection mechanism is arranged in the water storage tank and used for detecting the water quality in the water storage tank.

8. The environmental simulation test chamber of claim 1, wherein:

the humidifier is arranged as a boiler.