Detection device for detecting water and oxygen leakage and penetration

Abstract

The present invention relates to a detection device for detecting the leakage and permeation of water and oxygen, comprising a detection box, a first air intake pipe, a second air intake pipe, an exhaust pipe group, an oxygen content detection element and a water content detection element. In this way, the leakage and permeation of water and oxygen in a sample can be detected. The test method can be flexibly selected for samples with different characteristics, and the detection requirements of samples with different characteristics can be adapted, with strong versatility. Moreover, the same set of devices can be used to flexibly detect the leakage and permeation of water in a sample, and the leakage and permeation of oxygen in a sample, with simple operation, low detection cost and high detection efficiency. Moreover, it will not cause damage to the sample, thus ensuring the integrity of the sample.

Description

Technical Field

[0001] The invention relates to the technical field of test equipment, and in particular to a detection device for detecting the leakage and penetration of water and oxygen. Background Art

[0002] As the country's requirements for drug quality become more and more stringent, higher-level requirements are put forward for drug packaging quality. There is a risk of cracks or fissures in the various processes of drug packaging, so the sealing test of packaging is very critical. In the process of sealing test, it is necessary to test the leakage and penetration of water and oxygen. Traditional testing methods include vacuum decay method, mass extraction method, high-voltage discharge method and laser method, which are not compatible with the testing requirements of water and oxygen leakage and penetration. Summary of the invention

[0003] Based on this, it is necessary to provide a detection device for detecting the leakage and permeation of water and oxygen to address the problem of incompatibility of the detection requirements of the leakage and permeation of water and oxygen.

[0004] The technical solution is as follows:

[0005] In one aspect, a detection device for detecting leakage and penetration of water and oxygen is provided, comprising:

[0006] A test box, the test box comprising a first box body and a second box body, the first box body being provided with a first cavity, the second box body being provided with a second cavity, and the first box body being capable of being sealedly connected with the second box body so that the first cavity and the second cavity are connected to form a test cavity;

[0007] a first air inlet pipe, the first air inlet pipe being used to deliver the test gas into the first cavity, the first air inlet pipe being provided with a first switch element for controlling the on or off state of the first air inlet pipe;

[0008] a second air inlet pipe, the second air inlet pipe being used to deliver carrier gas into the second cavity;

[0009] an exhaust pipe group, the exhaust pipe group comprising a first exhaust pipe, a second exhaust pipe and a second switch element, the first exhaust pipe and the second exhaust pipe are both connected to the second cavity, and the second switch element is used to make the first exhaust pipe and the second exhaust pipe alternately connected to the second cavity;

[0010] an oxygen content detection element, the oxygen content detection element being disposed corresponding to the first exhaust pipe and being used to detect the oxygen content in the gas; and

[0011] A water content detection element is provided corresponding to the first exhaust pipe, and is used to detect the water content in the gas.

[0012] The technical solution is further described below:

[0013] In one embodiment, the exhaust pipe group further includes a third exhaust pipe and a third switch element, the third exhaust pipe is connected to the first cavity, and the third switch element is used to control the conduction or cutoff of the third exhaust pipe.

[0014] In one of the embodiments, the detection device for detecting leakage and penetration of water and oxygen further includes a temperature control module, and the temperature control module is used to adjust the temperature in the test chamber.

[0015] In one of the embodiments, the detection device for detecting leakage and penetration of water and oxygen further includes a humidity detection element, and the humidity detection element is disposed in the first cavity.

[0016] In one of the embodiments, the detection device for detecting leakage and penetration of water and oxygen further includes a positioning component, and the positioning component is used to position the first box body and the second box body.

[0017] In one of the embodiments, the detection device for detecting leakage and permeation of water and oxygen further includes a flow detection element, and the flow detection element is used to detect the flow of the test gas in the first air inlet pipe.

[0018] In one of the embodiments, the detection device for detecting leakage and penetration of water and oxygen further includes a filling member, the filling member is disposed in the second cavity, and the filling member is provided with a fixing portion.

[0019] In one embodiment, the exhaust pipe group also includes an exhaust manifold, an air inlet end of the exhaust manifold is connected to the second cavity, an air outlet end of the exhaust manifold is connected to both the first exhaust pipe and the second exhaust pipe, and the second switching element is used to make the first exhaust pipe and the second exhaust pipe alternately connected to the exhaust manifold.

[0020] In one embodiment, the second exhaust pipe includes a first branch pipe and a second branch pipe, the first branch pipe and the second branch pipe are both connected to the outlet end of the exhaust main pipe, the oxygen content detection element is arranged corresponding to the first branch pipe, and the water content detection element is arranged corresponding to the second branch pipe.

[0021] In one embodiment, the detection device for detecting the leakage and permeation of water and oxygen further includes a fourth switch element, and the fourth switch element is used to control the conduction or cutoff of the first branch pipe and the second branch pipe and the outlet end of the exhaust main pipe.

[0022] The detection device for detecting the leakage and permeation of water and oxygen in the above-mentioned embodiment can flexibly select the test method for samples with different characteristics, can adapt to the detection requirements of samples with different characteristics, and has strong versatility. In addition, the same set of devices can be used to flexibly detect the leakage and permeation of water in the sample, and can also detect the leakage and permeation of oxygen in the sample. The operation is simple, the detection cost is low, and the detection efficiency is high. Moreover, it will not cause damage to the sample, ensuring the integrity of the sample. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The drawings constituting a part of this application are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0024] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 A schematic diagram of the structure of a detection device for detecting leakage and permeation of water and oxygen in one embodiment of the present invention for detecting a container sample;

[0026] Figure 2 A schematic structural diagram of a detection device for detecting leakage and permeation of water and oxygen detecting a container sample according to another embodiment;

[0027] Figure 3 for Figure 1 A schematic diagram of the structure of a detection device for detecting leakage and penetration of water and oxygen and detecting a material sample;

[0028] Figure 4 It is a schematic structural diagram of a detection device for detecting leakage and permeation of water and oxygen for detecting a material sample according to another embodiment;

[0029] Figure 5 A schematic diagram of the structure of a detection device for detecting leakage and permeation of water and oxygen in another embodiment of the present invention for detecting a material sample;

[0030] Figure 6This is a schematic structural diagram of a detection device for detecting leakage and permeation of water and oxygen in another embodiment of the present invention for detecting material samples.

[0031] Description of reference numerals:

[0032] 100. Testing box, 110. First box body, 111. First cavity, 120. Second box body, 121. Second cavity, 130. Testing cavity, 200. First air inlet pipe, 210. First switch element, 300. Second air inlet pipe, 400. Exhaust pipe group, 410. First exhaust pipe, 420. Second exhaust pipe, 421. First branch pipe, 422. Second branch pipe, 423. Fourth switch element, 430. Second switch element, 440. Exhaust main pipe, 510. Oxygen content detection element, 520. Water content detection element, 600. Third exhaust pipe, 610. Third switch element, 700. Temperature control module, 800. Humidity detection element, 900. Filling piece, 2100. Container sample, 2200. Material sample. DETAILED DESCRIPTION

[0033] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific embodiments of the present invention are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the present invention, so the present invention is not limited by the specific embodiments disclosed below.

[0034] like Figures 1 to 4 As shown, in one embodiment, a detection device for detecting the leakage and permeation of water and oxygen is provided, comprising a detection box 100, a first air intake pipe 200, a second air intake pipe 300, an exhaust pipe group 400, an oxygen content detection element 510, and a water content detection element 520. In this way, the leakage and permeation of water and oxygen of a sample can be detected.

[0035] The detection box 100 includes a first box body 110 and a second box body 120. The first box body 110 is provided with a first cavity 111, and the second box body 120 is provided with a second cavity. The first box body 110 can be sealed and connected with the second box body 120, so that the first cavity 111 and the second cavity 121 are connected to form a test cavity 130. The first air inlet pipe 200 is used to send the test gas into the first cavity 111. The first air inlet pipe 200 is provided with a first switch element 210 for controlling the conduction or cutoff of the first air inlet pipe 200. The second air inlet pipe 300 is used to send the carrier gas into the second cavity 121. The exhaust pipe group 400 includes a first exhaust pipe 410, a second exhaust pipe 420 and a second switch element 430. The first exhaust pipe 410 and the second exhaust pipe 420 are both connected to the second cavity 121. The second switch element 430 is used to make the first exhaust pipe 410 and the second exhaust pipe 420 alternately connected to the second cavity 121. The oxygen content detection element 510 is disposed corresponding to the first exhaust pipe 410, and is used to detect the oxygen content in the gas. The water content detection element 520 is disposed corresponding to the first exhaust pipe 410, and is used to detect the water content in the gas.

[0036] like Figure 1 and Figure 2 As shown, when it is necessary to detect the leakage of a container sample 2100 such as a plastic package, metal, or glass, the first box body 110 is first separated from the second box body 120, and the container sample 2100 is placed in the second cavity 121 of the second box body 120; the first box body 110 and the second box body 120 are then sealed and connected, so that the container sample 2100 is placed in a sealed test cavity 130; then the carrier gas (the carrier gas can be high-purity nitrogen or other inert gas) is sent into the test cavity 130 through the second air inlet pipe 300. 0, and the second switch element 430 is used to cut off the first exhaust pipe 410 and the test chamber 130 and connect the second exhaust pipe 420 and the test chamber 130, so that the carrier gas in the test chamber 130 is discharged through the second exhaust pipe 420, and then the test chamber 130 can be cleaned, so that the air in the test chamber 130 is discharged, and the oxygen or moisture in the air is prevented from affecting the detection result (of course, the second air inlet pipe 300 can also be used to pass the carrier gas into the test chamber 130 to clean the test chamber 130). After the test chamber 130 is cleaned with the carrier gas, the second switch element 430 is used to connect the first exhaust pipe 410 and the test chamber 130 and cut off the second exhaust pipe 420 and the test chamber 130, so that the carrier gas passes through the oxygen content detection element 510 and the water content detection element 520 on the first exhaust pipe 410, so that the oxygen content and water content in the carrier gas can be accurately detected, and further the leakage amount of the container sample 2100 such as plastic packaging, metal, glass, etc. can be accurately detected.

[0037] like Figures 3 to 6 As shown, when it is necessary to test the permeability of a material sample 2200 such as a sheet or film, the first box body 110 and the second box body 120 are first separated, and the material sample 2200 is placed between the first box body 110 and the second box body 120; the first box body 110 and the second box body 120 are then sealed and connected, so that the material sample 2200 separates the test chamber 130 into a first cavity 111 and a second cavity 121; then the second air inlet pipe 300 is used to deliver the carrier gas into the second cavity 121, and the second switch element 430 is used to cut off the first exhaust pipe 410 and the second cavity 121 and connect the second exhaust pipe 420 and the second cavity 121, so that the carrier gas in the second cavity 121 is discharged through the second exhaust pipe 420, and then the second cavity 121 can be cleaned, so that the air in the second cavity 121 is discharged, and the oxygen or moisture in the air in the second cavity 121 is prevented from affecting the test result. After the second cavity 121 is purged with the carrier gas, the first inlet pipe 200 is turned on by the first switch element 210, and the test gas (the test gas can be a protective gas with a certain humidity, oxygen with a certain purity, or a mixed gas of oxygen and a protective gas with a certain humidity) is delivered into the first cavity 111 through the first inlet pipe 200, and then the first inlet pipe 200 is turned off by the first switch element 210. The first exhaust pipe 410 is turned on with the test cavity 130 by the second switch element 430, and the second exhaust pipe 420 is turned off with the test cavity 130, so that the carrier gas in the first cavity 111 passes through the oxygen content detection element 510 and the water content detection element 520 on the first exhaust pipe 410, so that the oxygen content and the water content in the carrier gas can be accurately detected, and then the permeation amount of the material sample 2200 such as the sheet material and the film can be accurately detected.

[0038] The detection device for detecting the leakage and permeation of water and oxygen in the above-mentioned embodiment can flexibly select the test method for samples with different characteristics, can adapt to the detection requirements of samples with different characteristics, and has strong versatility. In addition, the same set of devices can be used to flexibly detect the leakage and permeation of water in the sample, and can also detect the leakage and permeation of oxygen in the sample. The operation is simple, the detection cost is low, and the detection efficiency is high. Moreover, it will not cause damage to the sample, ensuring the integrity of the sample.

[0039] Among them, the sealed connection between the first box body 110 and the second box body 120 can be achieved by adding a sealing gasket, a sealing ring or applying sealing grease on the contact surface of the first box body 110 and the second box body 120, and can also be achieved by assembly methods such as screw connection, snap connection or plug-in connection. It is only necessary to ensure the sealing of the test cavity 130.

[0040] The first switch element 210 may be a solenoid valve, a pneumatic valve or other existing elements capable of regulating the conduction and cutoff of the first intake pipe 200 .

[0041] The second switch element 430 may be a three-way solenoid valve, a three-way pneumatic valve or other existing elements capable of regulating the alternating conduction and cutoff of the first exhaust pipe 410 and the second exhaust pipe 420 .

[0042] The oxygen content detection element 510 may be a coulometric detector or other existing elements capable of detecting the oxygen content in the carrier gas.

[0043] The water content detection element 520 may be an electrolytic water detector, an infrared micro-water detector, a high-precision hygrometer or other existing elements capable of detecting the water content in the carrier gas.

[0044] The number and position of the container samples 2100 in the test chamber 130 can be flexibly adjusted.

[0045] The first air intake pipe 200 can be connected to the first cavity 111 by opening a corresponding channel on the first housing 110, so that the first air intake pipe 200 can be connected to the first cavity 111 through the channel, or the first air intake pipe 200 can be inserted into the first cavity 111. The second air intake pipe 300 can be connected to the second cavity 121 by opening a corresponding channel on the second housing 120, so that the second air intake pipe 300 can be connected to the second cavity 121 through the channel, or the second air intake pipe 300 can be inserted into the second cavity 121. The first exhaust pipe 410 and the second exhaust pipe 420 can be connected to the second cavity 121 by opening a corresponding channel on the second housing 120, so that the first exhaust pipe 410 and the second exhaust pipe 420 can be connected to the second cavity 121 through the channel, or the first exhaust pipe 410 and the second exhaust pipe 420 can be inserted into the second cavity 121. The first air intake pipe 200, the second air intake pipe 300, the first exhaust pipe 410 and the second exhaust pipe 420 are preferably metal pipes, which are easy to use and will not be easily deformed.

[0046] like Figures 1 to 5As shown, in one embodiment, the exhaust pipe group 400 further includes a third exhaust pipe 600 and a third switch element 610. The third exhaust pipe 600 is connected to the first cavity 111. The third switch element 610 is used to control the conduction or cutoff of the third exhaust pipe 600. In this way, when the permeation amount of the material sample 2200 such as a sheet material or a film is detected, after the material sample 2200 separates the test cavity 130 into the first cavity 111 and the second cavity 121, the third switch element 610 can be used to make the third exhaust pipe 600 and the first cavity 111 connected, and the first air inlet pipe 200 is used to send the carrier gas into the first cavity 111, and the carrier gas is then discharged from the third exhaust pipe 600, so that the first cavity 111 can be cleaned, so that the air in the first cavity 111 is discharged, and the oxygen or moisture in the air is prevented from affecting the detection result. Among them, the third switch element 610 can be a solenoid valve, a pneumatic valve or other existing components that can regulate the conduction and cutoff of the third exhaust pipe 600. The third exhaust pipe 600 is connected to the first cavity 111 by opening a corresponding channel on the first housing 110 so that the third exhaust pipe 600 is connected to the first cavity 111 through the channel, or the third exhaust pipe 600 is inserted into the first cavity 111 .

[0047] like Figures 1 to 6 As shown, in one embodiment, the detection device for detecting the leakage and penetration of water and oxygen also includes a temperature control module 700, which is used to adjust the temperature in the test cavity 130. In this way, the temperature in the test cavity 130 is accurately regulated by the temperature control module, so that the test environment meets the corresponding temperature requirements and the accuracy of the test results is guaranteed. Among them, the temperature control module can be a temperature control board or other existing components that can regulate the temperature. The temperature control module can be set on the outer wall of the first box body 110 and / or the second box body 120. The temperature control method of the temperature control module can be closed-loop control, and the temperature adjustment is more accurate. The temperature in the test cavity 130 can be detected by a temperature sensor first, and then the test cavity 130 can be heated by components such as a temperature control board.

[0048] like Figures 1 to 6As shown, on the basis of any of the above embodiments, the detection device for detecting the leakage and permeation of water and oxygen also includes a humidity detection element 800. The humidity detection element 800 is arranged in the first cavity 111. In this way, when the permeation of the material sample 2200 such as a sheet material or a film is detected, the material sample 2200 separates the test cavity 130 into the first cavity 111 and the second cavity 121. After the test gas is sent into the first cavity 111 through the first air inlet pipe 200, the humidity detection element 800 can be used to detect the humidity in the first cavity 111 in real time, and then compared with the subsequent detection result of the water content detection element 520, so that the detection result can be checked to ensure the accuracy of the test. Among them, the humidity detection element 800 can be a humidity sensor or other existing elements that can detect humidity.

[0049] On the basis of any of the above embodiments, the detection device for detecting the leakage and permeation of water and oxygen further includes a positioning component (not marked), which is used to position the first box 110 and the second box 120. In this way, the positioning component cooperates with the positioning of the first box 110 and the second box 120, so that the first box 110 and the second box 120 can achieve accurate and reliable sealing connection, ensure the sealing of the test cavity 130, and ensure the accuracy of the test results.

[0050] The positioning cooperation between the positioning assembly and the first box body 110 and the second box body 120 is pre-selected to be achieved by concave-convex cooperation, which is simple and convenient and will not affect the sealing effect.

[0051] In one embodiment, the positioning assembly includes a positioning pin. The first box 110 is provided with a first socket for plugging and cooperating with the positioning pin. The second box 120 is provided with a second socket for plugging and cooperating with the positioning pin. In this way, one end of the positioning pin is inserted into the second socket of the second box 120, and then the first box 110 is placed on the second box 120 so that the other end of the positioning pin is inserted into the first socket, so that the sealed connection between the first box 110 and the second box 120 can be positioned.

[0052] On the basis of any of the above embodiments, the detection device for detecting the leakage and permeation of water and oxygen further includes a flow detection element (not shown). The flow detection element is used to detect the flow of the test gas in the first air inlet pipe 200. In this way, the flow of the test gas supplied into the first cavity 111 is accurately detected by the flow detection element to meet the test conditions. Among them, the flow detection element can be a flow meter or other element capable of detecting the flow of gas. The flow detection element can be inserted on the inner wall of the first air inlet pipe 200.

[0053] like Figure 1 and Figure 2 As shown, on the basis of any of the above embodiments, the detection device for detecting the leakage and penetration of water and oxygen further includes a filling piece 900. The filling piece 900 is disposed in the second cavity 121, and the filling piece 900 is provided with a fixing portion. In this way, when detecting the leakage of a container sample 2100 such as a plastic package, metal, or glass, the fixing portion on the filling piece 900 can be used to fix the container sample 2100, and the space of the test cavity 130 can also be occupied to improve the cleaning efficiency of the carrier gas. Among them, the filling piece 900 can be in a block, column, table or other structure; the fixing portion can be a fixing groove, a fixing clip or other existing structure that can fix the container sample 2100.

[0054] like Figure 2 , Figure 4 and Figure 6 As shown, on the basis of any of the above embodiments, the exhaust pipe group 400 further includes an exhaust main pipe 440. The air inlet end of the exhaust main pipe 440 is connected to the second cavity 121, and the air outlet end of the exhaust main pipe 440 is connected to both the first exhaust pipe 410 and the second exhaust pipe 420. The second switch element 430 is used to make the first exhaust pipe 410 and the second exhaust pipe 420 alternately connected to the exhaust main pipe 440. In this way, when the test cavity 130 or the second cavity 121 is cleaned by the carrier gas, the carrier gas first enters the exhaust main pipe 440, and the second switch element 430 first cuts off the first exhaust pipe 410 and the exhaust main pipe 440 and makes the second exhaust pipe 420 connected to the exhaust main pipe 440, so that the carrier gas mixed with air is discharged by the second exhaust pipe 420 to complete the cleaning of the test cavity 130 or the second cavity 121. After cleaning is completed, the second switch element 430 is used to connect the first exhaust pipe 410 and the exhaust main pipe 440 and cut off the second exhaust pipe 420 and the exhaust main pipe 440, so that the carrier gas passes through the oxygen content detection element 510 and the water content detection element 520 on the first exhaust pipe 410, thereby accurately detecting the oxygen content and water content in the carrier gas.

[0055] Among them, when the oxygen content detection element 510 and the water content detection element 520 both correspond to the second exhaust pipe 420, the carrier gas may first pass through the oxygen content detection element 510 and then pass through the water content detection element 520; or the carrier gas may first pass through the water content detection element 520 and then pass through the oxygen content detection element 510; or the carrier gas may pass through both the oxygen content detection element 510 and the water content detection element 520 at the same time.

[0056] like Figure 2 , Figure 4 and Figure 6As shown, in one embodiment, the second exhaust pipe 420 includes a first branch pipe 421 and a second branch pipe 422. The first branch pipe 421 and the second branch pipe 422 are both connected to the gas outlet end of the exhaust manifold 440. The oxygen content detection element 510 is disposed corresponding to the first branch pipe 421, and the water content detection element 520 is disposed corresponding to the second branch pipe 422. In this way, when the second switch element 430 connects the first exhaust pipe 410 and the exhaust main pipe 440 and blocks the second exhaust pipe 420 and the exhaust main pipe 440, the carrier gas is discharged through the first exhaust pipe 410 without entering the first branch pipe 421 and the second branch pipe 422; when the second switch element 430 blocks the first exhaust pipe 410 and the exhaust main pipe 440 and connects the second exhaust pipe 420 and the exhaust main pipe 440, the carrier gas can enter the first branch pipe 421 and the second branch pipe 422, so that the oxygen content detection element 510 is used to detect the oxygen content in the carrier gas passing through the first branch pipe 421, and the water content detection element 520 is used to detect the water content in the carrier gas passing through the second branch pipe 422, so that the detection of oxygen content and water content does not interfere with and affect each other.

[0057] like Figure 2 , Figure 4 and Figure 6 As shown, further, the detection device for detecting the leakage and permeation of water and oxygen further includes a fourth switch element 423. The fourth switch element 423 is used to control the conduction or cutoff of the first branch pipe 421 and the second branch pipe 422 with the outlet end of the exhaust main pipe 440. In this way, when the second switch element 430 cuts off the first exhaust pipe 410 and the exhaust main pipe 440 and connects the second exhaust pipe 420 and the exhaust main pipe 440, the fourth switch element 423 can further flexibly control the conduction or cutoff of the first branch pipe 421 and the second branch pipe 422 with the exhaust main pipe 440. For example, the fourth switch element 423 can be used to connect the first branch pipe 421 with the exhaust manifold 440 and cut off the second branch pipe 422 from the exhaust manifold 440; the fourth switch element 423 can also be used to connect the second branch pipe 422 with the exhaust manifold 440 and cut off the first branch pipe 421 from the exhaust manifold 440; the fourth switch element 423 can also be used to connect both the first branch pipe 421 and the second branch pipe 422 to the exhaust manifold 440. The fourth switch element 423 can be a three-way solenoid valve, a three-way pneumatic valve or other existing elements that can regulate the connection and cutoff of the first branch pipe 421 and the second branch pipe 422.

[0058] It should be noted that "some body" or "some part" can be a part of the corresponding "component", that is, "some body" or "some part" can be integrally formed with the "other parts of the component"; it can also be an independent component that can be separated from the "other parts of the component", that is, "some body" or "some part" can be manufactured independently and then combined with the "other parts of the component" into a whole. The expression of the above-mentioned "some body" or "some part" in this application is only one of the embodiments, for the convenience of reading, and not to limit the scope of protection of this application. As long as it contains the above-mentioned features and has the same function, it should be understood as an equivalent technical solution of this application.

[0059] It should be noted that the components included in the "unit", "assembly", "mechanism" and "device" of this application can also be flexibly combined, that is, modular production can be carried out according to actual needs to facilitate modular assembly. The division of the above components in this application is only one of the embodiments, for the convenience of reading, and not to limit the scope of protection of this application. As long as the above components are included and have the same functions, it should be understood that it is an equivalent technical solution of this application.

[0060] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to the present invention. The term "and / or" used in the present invention includes any and all combinations of one or more related listed items.

[0061] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0062] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0063] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0064] It should be noted that when an element is referred to as being "fixed on", "set on", "fixed on" or "installed on" another element, it can be directly on the other element or there can be a central element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there can be a central element at the same time. Further, when an element is considered to be "fixed transmission connected" to another element, the two can be fixed in a detachable connection manner or in a non-detachable connection, as long as power transmission can be achieved, such as socketing, snap-on, one-piece molding fixation, welding, etc., which can be achieved in the prior art and will not be repeated here. When an element is perpendicular or approximately perpendicular to another element, it means that the ideal state of the two is vertical, but due to the influence of manufacturing and assembly, there may be a certain vertical error. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0065] It should also be understood that when explaining the connection relationship or positional relationship of elements, although not explicitly described, the connection relationship and positional relationship are interpreted as including an error range, which should be within the acceptable deviation range of a specific value determined by those skilled in the art. For example, "approximately", "approximately" or "substantially" may mean within one or more standard deviations, which are not limited here.

[0066] The technical features of the above embodiments may be combined arbitrarily. To make the description concise, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0067] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for those of ordinary skill in the art, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.

Claims

1. A detection device for detecting the leakage and penetration of water and oxygen, It is characterized in that include: A test box, the test box comprising a first box body and a second box body, the first box body being provided with a first cavity, the second box body being provided with a second cavity, and the first box body being capable of being sealedly connected with the second box body so that the first cavity and the second cavity are connected to form a test cavity; a first air inlet pipe, the first air inlet pipe being used to deliver the test gas into the first cavity, the first air inlet pipe being provided with a first switch element for controlling the on or off state of the first air inlet pipe; a second air inlet pipe, the second air inlet pipe being used to deliver carrier gas into the second cavity; an exhaust pipe group, the exhaust pipe group comprising a first exhaust pipe, a second exhaust pipe, a second switch element, a third exhaust pipe and a third switch element, the first exhaust pipe and the second exhaust pipe are both connected to the second cavity, the second switch element is used to make the first exhaust pipe and the second exhaust pipe alternately connected to the second cavity, the third exhaust pipe is connected to the first cavity, and the third switch element is used to control the connection or cutoff of the third exhaust pipe; an oxygen content detection element, the oxygen content detection element being arranged corresponding to the first exhaust pipe, and the oxygen content detection element being used to detect the oxygen content in the gas; a water content detection element, the water content detection element being arranged corresponding to the first exhaust pipe and being used for detecting the water content in the gas; and A temperature control module is used to adjust the temperature in the test chamber.

2. The detection device for detecting leakage and penetration of water and oxygen according to claim 1, It is characterized in that The detection device for detecting the leakage and penetration of water and oxygen further comprises a humidity detection element, and the humidity detection element is arranged in the first cavity.

3. The detection device for detecting leakage and penetration of water and oxygen according to claim 1, It is characterized in that The detection device for detecting the leakage and penetration of water and oxygen further includes a positioning component, and the positioning component is used to position the first box body and the second box body.

4. The detection device for detecting leakage and penetration of water and oxygen according to claim 1, It is characterized in that The detection device for detecting the leakage and permeation of water and oxygen further comprises a flow detection element, and the flow detection element is used to detect the flow of the test gas in the first air inlet pipe.

5. The detection device for detecting leakage and penetration of water and oxygen according to claim 1, It is characterized in that The detection device for detecting the leakage and penetration of water and oxygen further includes a filling member, which is arranged in the second cavity and has a fixing portion.

6. The detection device for detecting leakage and penetration of water and oxygen according to any one of claims 1 to 5, It is characterized in that The exhaust pipe group also includes an exhaust manifold, an air inlet end of the exhaust manifold is connected to the second cavity, an air outlet end of the exhaust manifold is connected to both the first exhaust pipe and the second exhaust pipe, and the second switching element is used to make the first exhaust pipe and the second exhaust pipe alternately connected to the exhaust manifold.

7. The detection device for detecting leakage and penetration of water and oxygen according to claim 6, It is characterized in that The second exhaust pipe includes a first branch pipe and a second branch pipe, the first branch pipe and the second branch pipe are both connected to the outlet end of the exhaust main pipe, the oxygen content detection element is arranged corresponding to the first branch pipe, and the water content detection element is arranged corresponding to the second branch pipe.

8. The detection device for detecting leakage and penetration of water and oxygen according to claim 7, It is characterized in that The detection device for detecting the leakage and penetration of water and oxygen also includes a fourth switch element, and the fourth switch element is used to control the conduction or cutoff of the first branch pipe and the second branch pipe and the outlet end of the exhaust main pipe.

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