Water supply device of high-low-temperature low-pressure test box and high-low-temperature low-pressure test box

Abstract

The utility model relates to a water supply device of a high-low-temperature low-pressure test box and the high-low-temperature low-pressure test box. The water supply device of the high-low-temperature low-pressure test chamber is arranged on a test chamber body and comprises a first connecting piece, a second connecting piece, a third connecting piece, a fourth connecting piece and a fifth connecting piece, the second connecting piece is arranged outside the test box body and is fixedly connected to the first connecting piece; the second connecting piece is provided with a first connecting part and a second connecting part, and the first connecting part is arranged on one side of the first connecting piece and connected with an external water pipe; the second connecting part extends to the edge of the first connecting part and is hermetically and fixedly connected with the first connecting piece; two ends of the first quick connector are respectively connected with the first connecting part and the test sample and are used for supplying water to the test sample. According to the water supply device, the sealing performance of the box body is not influenced, the stable air pressure in the low-air-pressure box body is ensured, water is safely and reliably supplied to a sample in the low-air-pressure testing process, and the water supply device is convenient to disassemble and assemble.

Description

Technical Field

[0001] This utility model relates to the field of testing equipment technology, and in particular to a water supply device and a high-low temperature low-pressure test chamber. Background Technology

[0002] High and low temperature low pressure test chambers are essential equipment for verifying the reliability of electronic products, including those used in the electronics industry, defense, and aerospace, under high, low temperature, and low pressure conditions. As indispensable environmental simulation testing equipment in aerospace, electronics, and other fields, these chambers bear the crucial responsibility of simulating sample performance testing under high-altitude or extreme climatic conditions. In practical applications, for some special samples, it is necessary to supply water or water cooling in a low-pressure environment to simulate real-world usage scenarios for testing. In such cases, the water supply structure and method are of paramount importance.

[0003] Currently, the common method for supplying water to high and low temperature low pressure test chambers is to weld pagoda-shaped or threaded joints onto the chamber body, sealing the joints by clamping the hoses. This method has several drawbacks: First, the joints are directly welded to the chamber body, requiring frequent contact, which can affect the stability of the welded area. Second, the sealing effect between the hose and the joint is affected by factors such as clamp pressure and hose aging, making leaks prone to occur. Leaks can contaminate the internal environment of the test chamber, distort test data, and in severe cases, even damage the equipment. Third, when the test task is changed to samples that do not require water supply, additional time is needed to seal the water supply joints. This is not only cumbersome, but the frequent disassembly and installation also accelerates the wear and tear on the chamber body and joints, increasing equipment maintenance costs. Therefore, a more stable and easier-to-install water supply device is needed to ensure a safe water supply for high and low temperature low pressure test chambers. Utility Model Content

[0004] Based on this, the purpose of this utility model is to provide a water supply device for a high and low temperature low pressure test chamber. By setting a split connector, the first connector is fixedly connected to the test chamber body, and the second connector connects the outside and inside of the test chamber body for water supply. This does not affect the sealing of the chamber, ensures the stability of the air pressure inside the low pressure chamber, and provides safe and reliable water supply to the sample during the low pressure test. It is also easy to assemble and disassemble.

[0005] Another objective of this invention is to provide a high and low temperature low pressure test chamber, which, by setting up a water supply device, can achieve stable water supply under low pressure test conditions without affecting the pressure stability inside the test chamber.

[0006] A water supply device for a high and low temperature low pressure test chamber, mounted on the test chamber body, includes:

[0007] The first connector has a through hole in the middle; one end of the first connector is fixed to the test chamber body, and the other end is placed outside the test chamber body.

[0008] The second connector is located outside the test chamber body and is fixedly connected to the first connector. The second connector has a first connecting part and a second connecting part. The first connecting part covers one end of the through hole and is connected to an external water pipe. The second connecting part extends to the edge of the first connecting part and is sealed and fixedly connected to the first connector.

[0009] At least one first quick connector, one end of which is connected to the first connection portion and the other end of which is connected to the test sample, is used to supply water to the test sample.

[0010] Furthermore, the first connector includes a welding part and a fixing part, wherein the welding part is welded to the test chamber body; and the fixing part is fixed to the second connector.

[0011] Furthermore, a sealing element is provided between the fixed part and the second connecting part.

[0012] Furthermore, the second connecting portion and / or the fixed portion are provided with a sealing groove, and the sealing element is partially embedded in the sealing groove.

[0013] Furthermore, the first connecting part is also provided with a connecting pipe protruding toward one side of the first connector and / or away from the first connector, one end of the connecting pipe being connected to an external water pipe, and the other end being sealed and fixed to the first quick connector.

[0014] Furthermore, the two ends of the connecting pipe are threaded and are threaded to the external water pipe and the first quick connector, respectively.

[0015] Furthermore, the first quick connector includes a pluggable first male and a first female, one connected to the connection conduit and the other connected to the test sample.

[0016] Furthermore, the water supply device for the high and low temperature low pressure test chamber also includes:

[0017] The threaded connecting pipe has one end threadedly locked to the connecting pipe and the other end threadedly locked to the first quick connector.

[0018] Furthermore, the water supply device for the high and low temperature low pressure test chamber also includes:

[0019] A water valve or a second quick connector is installed between the external water pipe and the connecting pipe to enable or disable the water supply to the test sample.

[0020] A high and low temperature low pressure test chamber includes: the water supply device described in this utility model.

[0021] The beneficial effects of this utility model are as follows:

[0022] (1) It can supply water and cool the test sample under low air pressure conditions, with reliable sealing and improved applicability of the test chamber;

[0023] (2) By setting up a split connector, the first connector is fixedly connected to the test chamber body, and the second connector connects the outside and inside of the test chamber body for water supply. Compared with the traditional method of directly setting the water supply connector on the test chamber body, it can avoid disassembly and assembly from affecting the sealing of the chamber, which would lead to unstable air pressure inside the test chamber body during the low-pressure test and affect the test accuracy.

[0024] (3) Quick connectors are used, which are quick and easy to install and disassemble. They can be quickly plugged into the water circuit to supply water without affecting the sealing performance.

[0025] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the high and low temperature low pressure test chamber provided in the embodiments of this application;

[0027] Figure 2 An exploded view of the water supply device provided in the embodiments of this application;

[0028] Figure 3 A cross-sectional view of a water supply device provided in an embodiment of this application.

[0029] In the diagram: 100-Water supply device; 10-First connector; 11-Welding part; 12-Fixing part; 13-Through hole; 20-Second connector; 21-First connection part; 211-Connecting pipe; 22-Second connection part; 30-First quick connector; 31-First male connector; 32-First female connector; 33-Locking structure; 40-Sealing element; 50-Threaded connecting pipe; 60-Water valve; 200-Test chamber body. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] In the description of this utility model, it should be noted that the terms "vertical direction," "up," "down," and "horizontal," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, "first," "second," "third," and "fourth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or a connection through an intermediate medium; and they can refer to the internal communication between two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0033] Currently, the common method for supplying water to low-pressure test chambers is to weld pagoda-shaped or threaded connectors onto the chamber body, sealing the connectors by clamping the hoses. This method has several drawbacks: First, the connectors are directly welded to the chamber body, requiring frequent contact, which can affect the stability of the welded area. Second, the sealing effect between the hose and the connector is affected by factors such as clamp pressure and hose aging, making leaks prone to occur. Leaks can contaminate the internal environment of the test chamber, distort test data, and in severe cases, even damage the equipment. Third, when the test task is changed to samples that do not require water supply, additional time is needed to seal the water supply connectors. This is not only cumbersome, but the frequent disassembly and installation also accelerates the wear and tear on the chamber body and connectors, increasing equipment maintenance costs.

[0034] Based on this, please refer to Figure 1-3 This application provides a water supply device for a high and low temperature low pressure test chamber, which is mounted on the test chamber body 200. The water supply device 100 includes a first connector 10, a second connector 20, and at least one first quick connector 30. The first connector 10 is fixedly connected to the test chamber body 200, and the second connector 20 is located outside the test chamber body 200 and fixedly connected to the first connector 10. One end of the second connector 20 is connected to an external water pipe, and the other end is connected to the first quick connector 30, thereby enabling the water source to be connected from the outside of the test chamber body 200 to the inside of the test chamber body 200.

[0035] Specifically, the first connector 10 has a through hole 13 in the middle, one end of which is fixed to the test chamber body 200, and the other end is located outside the test chamber body 200. The second connector 20 is located outside the test chamber body 200 and is fixed to the first connector 10; the second connector 20 has a first connecting part 21 and a second connecting part 22. The first connecting part 21 covers one end of the through hole 13 and is connected to an external water pipe; the second connecting part 22 extends from the edge of the first connecting part 21 and is sealed and fixed to the first connector 10. One end of the first quick connector 30 is connected to the first connecting part 21 for introducing an external water pipe, and the other end is connected to the test sample for supplying water to the test sample.

[0036] The water supply device 100 for the high and low temperature low pressure test chamber provided in this application embodiment uses a split connector. The first connector 10 is fixedly connected to the test chamber body 200, and the second connector 20 connects the outside and inside of the test chamber body 200 for water supply. Compared with the traditional method of directly setting the water supply connector on the test chamber body 200, this avoids disassembly and assembly, which could affect the sealing of the chamber and cause unstable air pressure inside the test chamber body 200 during low-pressure testing, thus affecting the accuracy of the test. In addition, the use of quick connectors allows for quick plugging and unplugging to open the water path for water supply without affecting the sealing performance.

[0037] In one specific implementation, the first connecting member 10 can be a welding flange, and the second connecting member 20 can be a sealing flange.

[0038] Furthermore, in some embodiments, the first connecting member 10 includes a welding portion 11 and a fixing portion 12. The welding portion 11 is welded to the test chamber body 200; the fixing portion 12 is fixedly connected to the second connecting portion 22. Through the fixing portion 12 and the second connecting portion 22, the first connecting member 10 and the second connecting member 20 are fixedly connected. This arrangement allows for diverse connection methods while maintaining a seal, facilitating operation. It is understood that the fixing portion 12 and the second connecting portion 22 can be locked together using a locking device, or quickly fixed together using a clamp. Other fixing connection methods can also be used for the fixing portion 12 and the second connecting portion 22, and this is not a limitation.

[0039] Furthermore, in some embodiments, a sealing member 40 is provided between the fixed part 12 and the second connecting part 22. The sealing member 40 is clamped between the fixed part 12 and the second connecting part 22 to achieve a sealed connection between the first connecting member 10 and the second connecting member 20, which is beneficial to ensure airtightness during the low-pressure test process.

[0040] Furthermore, the second connecting part 22 and / or the fixing part 12 are provided with a sealing groove, and the sealing member 40 is partially embedded in the sealing groove. This helps to position the sealing member 40 and improves the sealing stability of the first connecting member 10 and the second connecting member 20.

[0041] Furthermore, in some embodiments, the first connecting portion 21 is also provided with at least one connecting pipe 211 protruding toward the side of the first connector 10 and / or away from the side of the first connector 10. One end of the connecting pipe 211 is connected to an external water pipe, and the other end is sealed and fixedly connected to the first quick connector 30. Specifically, both ends of the connecting pipe 211 are provided with threads, which are threaded to the external water pipe and the first quick connector 30, respectively.

[0042] Furthermore, in some embodiments, the first quick connector 30 includes a pluggable first male connector 31 and a first female connector 32, one connected to the connection conduit 211 and the other connected to the test sample.

[0043] Specifically, one end of the first male connector 31 is connected to the connecting pipe 211, and the other end is equipped with a first valve core to seal the end where the first male connector 31 and the first female connector 32 are inserted. One end of the first female connector 32 is connected to the test sample, and the other end is equipped with a second valve core to seal the end where the first female connector 32 and the first male connector 31 are inserted. When the first male connector 31 and the first female connector 32 are inserted, the first valve core and the second valve core abut against each other, causing elastic displacement, so that the first male connector 31 and the first female connector 32 are connected to allow the introduction of external water. Furthermore, the first quick connector 30 is also equipped with a locking structure 33. When the first male connector 31 and the first female connector 32 are inserted, the locking structure 33 locks the first male connector 31 and the first female connector 32, achieving a sealed connection and ensuring that the first quick connector 30 will not come off by itself when connected. Specifically, the locking structure 33 can be a rotary buckle, a push-pull buckle, etc., which will not be described in detail here.

[0044] Furthermore, in some embodiments, the water supply device 100 further includes a threaded connecting pipe 50, which is used to connect the first quick connector 30 and the connecting pipe 211. Specifically, one end of the threaded connecting pipe 50 is connected to the first male connector 31 to extend the flow channel and facilitate the insertion operation of the first female connector 32 and the first male connector 31.

[0045] In this embodiment, both ends of the threaded connecting pipe 50 are provided with external threads, and correspondingly, the connecting pipe 211 and the first male head 31 are provided with internal threads, which are respectively sealed and threadedly connected to the threaded connecting pipe 50.

[0046] Furthermore, in some embodiments, the water supply device 100 also includes a water valve 60 located outside the test chamber body 200 for connecting an external water pipe. The water valve 60 is located between the external water pipe and the connecting pipe 211 to conduct or interrupt the water supply to the test sample, and can also be used to regulate the water flow rate.

[0047] In some other embodiments, the water supply device 100 further includes a second quick connector located outside the test chamber body 200 for connecting an external water pipe. This second quick connector is positioned between the external water pipe and the connecting pipe 211, and is used to quickly connect or disconnect the water supply to the test sample. The structure of the second quick connector can be the same as the first quick connector 30, or it can be another structure with the same or similar principle. When the second quick connector is connected, it provides a passage; when the second quick connector is disconnected, it provides a seal. Details are not provided here.

[0048] This application embodiment also provides a high and low temperature low pressure test chamber, including a test chamber body 200 and a water supply device 100. The water supply device 100 is disposed on the outer wall of the test chamber body 200 and connected to an external water source and a test sample. It is used to introduce the external water source into the test chamber body 200 to supply water to the test sample.

[0049] Compared to existing technologies, the advantages of this application's embodiments are as follows: By setting a split connector, the first connector is fixedly connected to the test chamber body, and the second connector connects the outside and inside of the test chamber body for water supply. Compared to the traditional method of directly setting the water supply connector on the test chamber body, this avoids repeated disassembly and assembly, which could affect the chamber's sealing performance and prevent unstable air pressure inside the test chamber during low-pressure testing, thus affecting test accuracy. Furthermore, the use of quick-connect couplings allows for rapid connection and water supply without affecting sealing performance.

[0050] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and this utility model also intends to include these modifications and variations.

Claims

1. A water supply device for a high and low temperature low pressure test chamber, disposed on the test chamber body, characterized in that, include: The first connector has a through hole in the middle; one end of the first connector is fixed to the test chamber body, and the other end is placed outside the test chamber body. The second connector is located outside the test chamber body and is fixedly connected to the first connector. The second connector has a first connecting part and a second connecting part. The first connecting part covers one end of the through hole and is connected to an external water pipe. The second connecting part extends to the edge of the first connecting part and is sealed and fixedly connected to the first connector. At least one first quick connector, one end of which is connected to the first connection portion and the other end of which is connected to the test sample, is used to supply water to the test sample.

2. The water supply device for a high and low temperature low pressure test chamber according to claim 1, characterized in that: The first connector includes a welding part and a fixing part, wherein the welding part is welded to the test chamber body; and the fixing part is fixed to the second connector.

3. The water supply device for a high and low temperature low pressure test chamber according to claim 2, characterized in that: A sealing element is provided between the fixed part and the second connecting part.

4. The water supply device for a high and low temperature low pressure test chamber according to claim 3, characterized in that: The second connecting part and / or the fixed part are provided with a sealing groove, and the sealing element is partially embedded in the sealing groove.

5. The water supply device for a high and low temperature low pressure test chamber according to claim 1, characterized in that: The first connecting part is also provided with a connecting pipe protruding toward one side of the first connector and / or away from the first connector. One end of the connecting pipe is connected to an external water pipe, and the other end is sealed and fixed to the first quick connector.

6. The water supply device for a high and low temperature low pressure test chamber according to claim 5, characterized in that: The two ends of the connecting pipe are threaded and are threaded to the external water pipe and the first quick connector, respectively.

7. The water supply device for a high and low temperature low pressure test chamber according to claim 5, characterized in that: The first quick connector includes a pluggable first male and a first female, one of which is connected to the connection conduit and the other is connected to the test sample.

8. The water supply device for a high and low temperature low pressure test chamber according to claim 5, characterized in that, Also includes: The threaded connecting pipe has one end threadedly locked to the connecting pipe and the other end threadedly locked to the first quick connector.

9. The water supply device for a high and low temperature low pressure test chamber according to claim 5, characterized in that, Also includes: A water valve or a second quick connector is installed between the external water pipe and the connecting pipe to enable or disable the water supply to the test sample.

10. A high and low temperature low pressure test chamber, characterized in that, include: The water supply device according to any one of claims 1-9.

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