CN216856753U - Clean anaerobic box - Google Patents
Clean anaerobic box Download PDFInfo
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- CN216856753U CN216856753U CN202220129775.9U CN202220129775U CN216856753U CN 216856753 U CN216856753 U CN 216856753U CN 202220129775 U CN202220129775 U CN 202220129775U CN 216856753 U CN216856753 U CN 216856753U
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Abstract
The utility model discloses a clean anaerobic box, which comprises an outer box body, an inner box body and a heating device, wherein the inner box body is arranged in the outer box body, an air jacket is formed between the inner wall of the outer box body and the outer wall of the inner box body, the outer box body is provided with a first air inlet and a first exhaust port which are respectively communicated with the air jacket, gas flows into the air jacket through the first air inlet and flows out of the first exhaust port, and the heating device is used for heating the gas of the air jacket so as to indirectly adjust the temperature of an accommodating cavity through the air jacket; the accommodating cavity is provided with the filtering device and the first circulating device, the air jacket is provided with the second circulating device, when a test is carried out, the first circulating device and the second circulating device work together to form a clean anaerobic environment in the accommodating cavity, the temperature uniformity in the accommodating cavity is improved through the air jacket, and in the cooling stage, a large amount of air is injected into the air jacket, so that the accommodating cavity can be rapidly cooled, the clean anaerobic environment is kept in the cooling process, and the use cost is saved.
Description
Technical Field
The utility model relates to the technical field of environmental simulation tests, in particular to a clean anaerobic tank.
Background
The prior art mainly adopts a clean high-temperature cabinet to carry out an environment simulation test, when a sample is required to be taken, the inner cabinet needs to be cooled to a lower temperature from a high temperature, the conventional method mainly comprises the steps of increasing the gas flow of protective gas to the inner cabinet, and replacing the air in the inner cabinet chamber by the protective gas to achieve the purpose of cooling the inner cabinet chamber, but the method needs to consume a large amount of protective gas and has higher cost. The other method is that an air blower is additionally arranged in the inner box, fresh air is continuously injected into the inner box cabin, air is exhausted at the same time, and the inner box cabin is cooled by introducing air, so that dust in the box body is increased due to the introduction of the fresh air in the cooling process, and the requirement on cleanliness of the inner box cabin in the cooling process cannot be met.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a clean anaerobic tank which can effectively reduce the use cost and improve the cleanliness and temperature uniformity of environmental simulation.
In order to achieve the purpose, the utility model discloses a clean anaerobic tank which comprises an outer tank body, an inner tank body and a heating device, wherein the inner tank body is arranged in the outer tank body, an air jacket is formed between the inner wall of the outer tank body and the outer wall of the inner tank body, the inner tank body is of a hollow structure and forms an accommodating cavity, the accommodating cavity and the air jacket are mutually isolated and are of a closed structure, the outer tank body is respectively provided with a first air inlet and a first exhaust port which are communicated with the air jacket, gas can selectively flow into the air jacket through the first air inlet and flow out of the first exhaust port, and the heating device is used for heating the gas in the air jacket so as to indirectly adjust the temperature of the accommodating cavity through the air jacket.
Compared with the prior art, the air jacket is formed between the inner wall of the outer box body and the outer wall of the inner box body, the air in the air jacket is heated through the heating device, so that the temperature of the accommodating cavity is indirectly raised through the air jacket, when the temperature of the accommodating cavity is required to be reduced, a large amount of external air is injected into the air jacket to replace the gas with higher temperature in the air jacket, so that the accommodating cavity is indirectly cooled through the air jacket, the problem that the use cost is overlarge due to overlarge nitrogen energy consumption caused by the fact that the traditional method completely depends on nitrogen cooling is solved, in addition, the temperature of the accommodating cavity is indirectly raised through the air jacket, the accommodating cavity can have better temperature uniformity, and therefore the clean anaerobic box can be guaranteed to provide a stable simulation test environment.
Preferably, the inner box body is respectively provided with a second air inlet and a second air outlet which are communicated with the accommodating cavity, and the inert gas selectively flows into the accommodating cavity through the second air inlet and flows out of the second air outlet.
Preferably, the clean anaerobic tank further comprises a first circulating device, and the first circulating device is used for driving the inert gas in the accommodating cavity to circularly flow so as to form a circulating loop.
Preferably, the clean anaerobic tank further comprises a filtering device, and the filtering device is used for filtering impurities in the accommodating cavity.
Preferably, the filter device comprises at least two filters, and all the filters are partially arranged in the accommodating cavity at intervals.
Specifically, the filtering device comprises two filters, the first circulating device drives the inert gas in the accommodating cavity to circularly flow to form a circulating loop, and the two filters are respectively arranged on a path formed by the circulating loop at intervals.
One of the two filters is adjacent to the second air inlet to filter the impurities of the inert gas flowing into the containing cavity from the second air inlet, and the other filter is adjacent to the second air outlet to filter the impurities of the inert gas flowing out of the containing cavity to the external environment through the second air outlet.
Preferably, the first air inlet, the first exhaust port, the second air inlet and the second exhaust port are respectively provided with an independently controlled one-way valve.
Preferably, the clean anaerobic tank further comprises a second circulating device, and the second circulating device is used for driving the gas in the air jacket to circularly flow.
Preferably, the clean anaerobic tank further comprises a heating device, and the heating device is used for heating the gas in the air jacket.
Preferably, the clean anaerobic tank further comprises a shell, the outer box is arranged in the shell, a heat insulation layer is formed between the inner wall of the shell and the outer wall of the outer box, and the heat insulation layer is isolated from the accommodating cavity and the air jacket.
Specifically, the heat-insulating layer is filled with a heat-insulating material.
Drawings
FIG. 1 is a schematic structural view of a clean anaerobic tank according to a first embodiment of the present invention;
FIG. 2 is a schematic structural view from another perspective of a clean anaerobic tank according to a first embodiment of the present invention;
FIG. 3 is a schematic structural view of a clean anaerobic tank according to a first embodiment of the present invention from another perspective;
FIG. 4 is a schematic structural view of a clean anaerobic tank according to a second embodiment of the present invention;
FIG. 5 is a schematic structural view from another perspective of a clean anaerobic tank according to a second embodiment of the present invention;
FIG. 6 is a schematic structural view from another perspective of a clean anaerobic tank according to a second embodiment of the present invention.
Detailed Description
In order to explain technical contents, structural features, and objects and effects of the present invention in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.
First embodiment
Referring to fig. 1 to 3, the clean anaerobic tank of the present embodiment includes an outer tank 10, an inner tank 20 and a heating device, wherein the inner tank 20 is disposed in the outer tank 10, an air jacket 11 is formed between an inner wall of the outer tank 10 and an outer wall of the inner tank 20, the inner tank 20 is hollow and forms a receiving cavity 21, and the receiving cavity 21 and the air jacket 11 are isolated from each other and are sealed. The heating device is used for heating the gas in the air jacket 11 to ensure that the gas in the air jacket 11 is heated and can be constantly maintained at a preset temperature, so that the accommodating cavity 21 is indirectly heated. It can be understood that the receiving cavity 21 and the air jacket 11 of the present embodiment are isolated from each other and are both in a sealed structure, so that the receiving cavity 21 and the air jacket 11 can be separately filled with and sealed by gas, and no interaction between the receiving cavity 21 and the air jacket 11 exists.
Preferably, the outer box 10 and the inner box 20 are respectively provided with a door, and the door of the outer box 10 and the door of the inner box 20 are sequentially opened to place a product (not shown) to be tested, which is generally a high-precision electronic component, into the accommodating cavity 21. Of course, in other embodiments, the door of the outer box 10 and the door of the inner box 20 may be an integrated structure, that is, when the door of the outer box 10 is opened, the product to be tested can be directly placed into the accommodating cavity 21, and after the door of the outer box 10 is closed, the independent sealing between the accommodating cavity 21 and the air jacket 11 can be maintained.
The outer box 10 is respectively provided with a first air inlet 12 and a first air outlet 13 which are communicated with the air jacket 11, air can be selectively injected into the air jacket 11 through the first air inlet 12 and flows out from the first air outlet 13, and the temperature of the air in the air jacket 11 is controlled by a heating device, so that the indirect adjustment of the air jacket 11 on the temperature of the accommodating cavity 21 is realized.
It will be understood that the first inlet 12 is connected to the blowing port of an external device such as a blower through a corresponding pipe, and the first outlet 13 extends to the outside of the clean anaerobic tank or other gas recovery device through a corresponding pipe, preferably, the gas injected into the air jacket 11 is generally air. When the accommodation cavity 21 needs to be indirectly heated, the first air inlet 12 and the first air outlet 13 need to be in a closed state, and then the gas in the air jacket 11 is heated by the heating device; when the containing cavity 21 needs to be cooled down quickly, the first air inlet 12 and the first exhaust port 13 need to be in an open state, and the external device continuously injects air (generally normal temperature air or cooler air) into the air jacket 11 from the first air inlet 12, so that the air in the air jacket 11 continuously flows out along the first exhaust, so as to replace the original air in the air jacket 11, and make the newly injected air fill the air jacket 11, at this time, because the air temperature of the air jacket 11 is lower, so that the containing cavity 21 can be cooled down quickly.
Preferably, the inner box 20 is respectively opened with a second air inlet 22 and a second air outlet 23 communicating with the receiving cavity 21, and the inert gas can be injected into the receiving cavity 21 through the second air inlet 22 and flow out from the second air outlet 23, so that the receiving cavity 21 becomes an anaerobic environment for testing. It is understood that the second gas inlet 22 is connected to the gas outlet of the inert gas supply device through a corresponding pipe, and the second gas outlet 23 is connected to the recycling port of the inert gas supply device through a corresponding pipe, preferably, the inert gas injected into the housing chamber 21 is generally nitrogen.
When the device is used, the inert gas is continuously injected into the accommodating cavity 21 from the second gas inlet 22 through the inert gas supply device, and the inert gas in the accommodating cavity 21 continuously flows out along the second exhaust gas, so that the original gas in the accommodating cavity 21 is replaced, the newly injected inert gas is filled in the accommodating cavity 21, and the accommodating cavity 21 becomes an anaerobic environment through filling of the inert gas. Under the condition that the temperature in the accommodating cavity 21 is indirectly raised by the air jacket 11, the anaerobic environment temperature in the accommodating cavity 21 can be maintained without continuously injecting nitrogen with a preset temperature into the accommodating cavity 21, so that the using amount of inert gas is effectively reduced, and the using cost is reduced.
Further, the clean anaerobic tank of the embodiment further includes a first circulating device 30 and a first circulating device 70, wherein the first circulating device 30 is used for driving the inert gas in the accommodating cavity 21 to circularly flow, so as to improve the inert gas replacement efficiency, the uniformity of the inert gas and the uniformity of the temperature in the accommodating cavity 21.
The first circulating device 70 is used to drive the gas in the air jacket 11 to circularly flow, so as to improve the gas replacement efficiency and the temperature uniformity in all directions in the air jacket 11, and ensure that the temperature of the accommodating cavity 21 can be indirectly adjusted uniformly by the air jacket 11.
Furthermore, the clean anaerobic box of the embodiment further comprises a housing 60, the outer box 10 is disposed in the housing 60, and an insulating layer 61 is formed between the inner wall of the housing 60 and the outer wall of the outer box 10, and the insulating layer 61 is isolated from the accommodating cavity 21 and the air jacket 11. Specifically, the insulating layer 61 is filled with an insulating material, and in other embodiments, the insulating layer 61 is filled with air or is hollow. Through addding heat preservation 61, can effectively reduce the heat speed of scattering and disappearing of air jacket 11 to can further avoid the external environment to the influence that environmental test caused, effectively promote the test accuracy.
Preferably, the housing 60 is provided with a hatch door, and the hatch door of the housing 60, the hatch door of the outer box 10 and the hatch door of the inner box 20 are integrated, that is, when the hatch door of the housing 60 is opened, the product to be tested can be directly placed into the accommodating cavity 21, and after the hatch door of the housing 60 is closed, the insulation layer 61, the accommodating cavity 21 and the air jacket 11 can be kept sealed independently.
Furthermore, the first air inlet 12, the first exhaust port 13, the second air inlet 22 and the second exhaust port 23 of the present embodiment are respectively provided with a check valve which is independently controlled, on one hand, the flow direction of the corresponding gas is limited, on the other hand, when the accommodation cavity 21 needs to be indirectly heated, the check valves of the first air inlet 12 and the first exhaust port 13 are respectively closed, so that the air jacket 11 cannot be communicated with the outside, at this time, the gas in the air jacket 11 is heated by the heating device, and the power consumption is effectively saved; when the accommodating cavity 21 needs to be cooled rapidly, the one-way valves of the first air inlet 12 and the first exhaust port 13 are respectively opened, gas is continuously injected into the air jacket 11 from the first air inlet 12 through an external device, and the gas in the air jacket 11 continuously flows out along the first exhaust, so that the original gas in the air jacket 11 is replaced, and the newly injected gas is filled into the air jacket 11, so that the gas temperature of the air jacket 11 is rapidly reduced, and the indirect rapid cooling of the accommodating cavity 21 is realized; after the inert gas completely replaces the original gas in the accommodating cavity 21, the one-way valves of the second gas inlet 22 and the second gas outlet 23 can be respectively closed, and the injection of the inert gas into the accommodating cavity 21 is stopped, so that the use amount of the inert gas and the electricity consumption are effectively saved, and the use cost is greatly reduced.
It is understood that the one-way valves of the first air inlet 12, the first exhaust port 13, the second air inlet 22 and the second exhaust port 23 may be manually controlled or automatically controlled by electronics, and are not limited herein.
The use of the clean anaerobic tank of the present embodiment is explained in detail as follows:
1. the product to be tested is placed in the accommodating cavity 21.
2. The first circulation device 30 is started, and meanwhile, the inert gas is injected into the accommodating cavity 21, the first circulation device 30 drives the inert gas to circularly flow in the accommodating cavity 21 so as to quickly replace the original gas in the accommodating cavity 21, and after the inert gas completely fills the accommodating cavity 21, the one-way valves corresponding to the second gas inlet 22 and the second gas outlet 23 are closed, so that the accommodating cavity 21 is kept in an anaerobic environment.
3. The first circulation device 70 and the heating device are started, the heating device heats the air in the air jacket 11, and the first circulation device 70 drives the air in the air jacket 11 to circularly flow so as to improve the uniformity of the air temperature in the air jacket 11 in all directions, thereby adjusting the temperature of the accommodating cavity 21. Wherein, step 2 and step 3 can be performed simultaneously.
4. When the test is finished and the product to be tested needs to be cooled and taken out, the one-way valves corresponding to the first air inlet 12 and the first air outlet 13 are opened, a large amount of low-temperature air or normal-temperature air is injected into the air jacket 11 to replace the original air in the air jacket 11, meanwhile, the first circulating device 70 is started to drive the air or normal-temperature air with the temperature lower than the preset temperature to circularly flow in the air jacket 11, the replacement speed is increased, at the moment, the air temperature in the jacket cavity is sharply reduced to indirectly reduce the temperature of the accommodating cavity 21, and therefore the cooling operation of the accommodating cavity 21 is achieved;
5. when the temperature in the accommodating cavity 21 is reduced to a preset value, the cabin door is opened, the product to be tested is taken out, and the test is completed.
Second embodiment
Referring to fig. 4 to 6, the present embodiment is different from the first embodiment in that the clean anaerobic tank of the present embodiment further includes a filtering device for filtering the impurities, dust, etc. in the accommodating cavity 21. Preferably, the filtering device includes two filters 40, the first circulating device 30 drives the inert gas in the accommodating chamber 21 to circularly flow to form a circulating loop, and the two filters 40 are respectively disposed on a path formed by the circulating loop at intervals to filter impurities and dust at different path points of the circulating loop, so as to improve the cleanliness in the accommodating chamber 21.
Further, one of the two filters 40 is adjacent to the second gas inlet 22 to further filter the impurities of the inert gas flowing into the housing chamber 21 from the second gas inlet 22, and the other is adjacent to the second gas outlet 23 to further filter the impurities of the inert gas flowing out of the housing chamber 21 to the external environment through the second gas outlet 23. Through the cooperation of the first circulating device 30 and the filtering device, the inert gas of the inert gas supply device and the accommodating chamber 21 of the embodiment can be alternately cleaned, so that the inert gas can be recycled and reused. It should be noted that, in this embodiment, a filter screen may be used instead of the filter 40 to reduce the cost of the clean anaerobic tank.
The use of the clean anaerobic tank of the present embodiment is explained in detail as follows:
1. the product to be tested is placed in the accommodating cavity 21.
2. The first circulation device 30 is started, and meanwhile, the inert gas is injected into the accommodating cavity 21, the first circulation device 30 drives the inert gas to circularly flow in the accommodating cavity 21, so as to quickly replace the original gas in the accommodating cavity 21, and keep the cleanliness in the accommodating cavity 21 under the action of the filtering device, and after the inert gas completely fills the accommodating cavity 21, the one-way valves corresponding to the second gas inlet 22 and the second gas outlet 23 are closed, so that the accommodating cavity 21 is kept in an anaerobic environment with higher cleanliness.
3. The first circulation device 70 and the heating device are started, the heating device heats the air in the air jacket 11, the first circulation device 70 drives the air in the air jacket 11 to circularly flow, and the temperature of the air in the air jacket 11 can be adjusted according to the uniformity of the temperature of the air in the air jacket 11. Wherein, step 2 and step 3 can be performed simultaneously.
4. When the test is finished and the product to be tested needs to be cooled and taken out, the one-way valves corresponding to the first air inlet 12 and the first air outlet 13 are opened, a large amount of low-temperature air or normal-temperature air is injected into the air jacket 11 to replace the original air in the air jacket 11, meanwhile, the first circulating device 70 is started to drive the air or normal-temperature air with the temperature lower than the preset temperature to circularly flow in the air jacket 11, the replacement speed is increased, at the moment, the air temperature in the jacket cavity is sharply reduced to indirectly reduce the temperature of the accommodating cavity 21, and therefore the cooling operation of the accommodating cavity 21 is achieved;
5. when the temperature in the accommodating cavity 21 is reduced to a preset value, the cabin door is opened, the product to be tested is taken out, and the test is completed.
Referring to fig. 1 to 6, an air jacket 11 is formed between an inner wall of an outer box 10 and an outer wall of an inner box 20, and a heating device is used to heat air in the air jacket 11, so as to indirectly raise the temperature of an accommodating cavity 21 through the air jacket 11, when the temperature of the accommodating cavity 21 needs to be lowered, a large amount of outside air is injected into the air jacket 11 to replace the gas with higher temperature in the air jacket 11, so that the accommodating cavity 21 is indirectly cooled through the air jacket 11, thereby avoiding the problem that the use cost is too high due to the fact that the conventional method completely depends on nitrogen cooling and the nitrogen energy consumption is too high, in addition, the temperature of the accommodating cavity 21 is indirectly raised through the air jacket 11, so that the accommodating cavity 21 has better temperature uniformity, and the anaerobic tank can provide a stable simulated test environment.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, therefore, the present invention is not limited by the appended claims.
Claims (9)
1. A clean anaerobic box is characterized in that: comprises an outer box body (10), an inner box body (20) and a heating device, wherein the inner box body (20) is arranged in the outer box body (10), an air jacket (11) is formed between the inner wall of the outer box body (10) and the outer wall of the inner box body (20), the inner box body (20) is of a hollow structure and forms an accommodating cavity (21), the accommodating cavity (21) and the air jacket (11) are mutually isolated and are of a closed structure, the outer box body (10) is respectively provided with a first air inlet (12) and a first exhaust port (13) which are communicated with the air jacket (11), gas can selectively flow into the air jacket (11) through the first air inlet (12) and flow out from the first exhaust port (13), the heating device is used for heating the gas in the air jacket (11), so as to indirectly regulate the temperature of the containing cavity (21) through the air jacket (11).
2. The clean anaerobic tank as claimed in claim 1, wherein: the inner box body (20) is respectively provided with a second air inlet (22) and a second air outlet (23) which are communicated with the containing cavity (21), and inert gas can selectively flow into the containing cavity (21) through the second air inlet (22) and flow out of the second air outlet (23).
3. The clean anaerobic tank as claimed in claim 2, wherein: the device also comprises a first circulating device (30), wherein the first circulating device (30) is used for driving the inert gas in the containing cavity (21) to circularly flow.
4. The clean anaerobic tank as claimed in claim 2, wherein: the filter device is used for filtering impurities in the containing cavity (21).
5. The clean anaerobic tank as claimed in claim 4, wherein: the filtering device comprises at least two filters (40), and all the filters (40) are partially arranged in the containing cavity (21) at intervals.
6. The clean anaerobic tank as claimed in claim 2, wherein: the first air inlet (12), the first exhaust port (13), the second air inlet (22) and the second exhaust port (23) are respectively provided with an independently controlled one-way valve.
7. The clean anaerobic tank as claimed in claim 1, wherein: the device also comprises a second circulating device (70), and the second circulating device (70) is used for driving the gas in the air jacket (11) to circularly flow.
8. The clean anaerobic tank as claimed in claim 1, wherein: the box body is characterized by further comprising a shell (60), the outer box body (10) is arranged in the shell (60), a heat insulation layer is formed between the inner wall of the shell (60) and the outer wall of the outer box body (10), and the heat insulation layer is isolated from the accommodating cavity (21) and the air jacket (11).
9. The clean anaerobic tank as claimed in claim 8, wherein: the heat-insulating layer is filled with heat-insulating materials.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220129775.9U CN216856753U (en) | 2022-01-18 | 2022-01-18 | Clean anaerobic box |
| PCT/CN2022/088361 WO2023137892A1 (en) | 2022-01-18 | 2022-04-22 | Clean anaerobic chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220129775.9U CN216856753U (en) | 2022-01-18 | 2022-01-18 | Clean anaerobic box |
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| Publication Number | Publication Date |
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| CN216856753U true CN216856753U (en) | 2022-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220129775.9U Active CN216856753U (en) | 2022-01-18 | 2022-01-18 | Clean anaerobic box |
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| CN (1) | CN216856753U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225974A (en) * | 2022-01-18 | 2022-03-25 | 东莞市升微机电设备科技有限公司 | Clean anaerobic box |
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2022
- 2022-01-18 CN CN202220129775.9U patent/CN216856753U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114225974A (en) * | 2022-01-18 | 2022-03-25 | 东莞市升微机电设备科技有限公司 | Clean anaerobic box |
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