An airtightness testing device for a cooling cabinet water tank

Abstract

This application relates to an airtightness testing device for a cooling cabinet water tank, belonging to the field of airtightness testing devices. It includes a testing chamber comprising an outer casing and an inner shell. The inner shell is installed inside the outer casing and is fixedly fitted to the inner side of the outer casing. A vertical suspension bracket is fixedly installed on the outer casing, and a pressure-holding assembly is vertically installed on the lower end face of the vertical suspension bracket. The pressure-holding assembly is fixedly installed at the center of the lower end face of the vertical suspension bracket. A liquid level control box assembly is installed on one side of the outer casing and is fixedly connected to the outer casing. The airtightness testing device of this application has a reasonable overall structural design, with tight connections between components, and is easy to install and disassemble. The pressure-holding assembly can stably hold the water tank, the liquid level control box assembly can accurately control the liquid level inside the testing chamber, and the testing air pump can provide a stable testing gas. These measures ensure the accuracy and reliability of airtightness testing and can promptly detect airtightness problems in the water tank.

Description

Technical Field

[0001] This application relates to the technical field of airtightness testing devices, and in particular to an airtightness testing device for a cooling cabinet water tank. Background Technology

[0002] As a key component of refrigeration equipment, the airtightness of the cooling tank directly affects the equipment's cooling efficiency and energy consumption. Currently, the industry commonly verifies airtightness by observing leaks after filling the tank with water or by testing with pressure gauges. However, these methods suffer from low efficiency and poor accuracy. As refrigeration equipment develops towards high efficiency and energy saving, higher requirements are placed on the accuracy and efficiency of water tank airtightness testing.

[0003] Currently, there are three main methods for airtightness testing of cooling tank water bodies: First, manual visual inspection, which involves filling the tank with water and observing the outer wall for leaks. This method is simple but relies on human experience and cannot detect minute leaks. Second, pressure testing, which involves filling the tank with compressed air and monitoring the pressure drop with a pressure gauge. This method offers improved accuracy but has a long testing cycle. Third, helium mass spectrometry leak detection, which uses helium gas to detect leaks for high-precision location, but the equipment is expensive and requires a specialized operating environment. Utility Model Content

[0004] In order to achieve the purpose of efficiently detecting the air tightness of water tanks, this application provides an air tightness detection device for cooling cabinet water tanks.

[0005] The airtightness testing device for a cooling cabinet water tank provided in this application adopts the following technical solution:

[0006] A leak-proof testing device for a cooling cabinet water tank includes a testing box. The testing box includes an outer casing and an inner shell. The inner shell is installed inside the outer casing and is fitted and fixed to the inner side of the outer casing. A vertical suspension bracket is fixedly installed on the outer casing. A pressure-holding assembly is vertically installed on the lower end face of the vertical suspension bracket. The pressure-holding assembly is fixedly installed at the center of the lower end face of the vertical suspension bracket. A liquid level control box assembly is installed on one side of the outer casing and is fixedly connected to the outer casing. A flip-open equipment sub-base is installed on the other side of the outer casing. A testing air pump is fixedly installed on the upper end face of the equipment sub-base. An air supply solenoid is installed at the outlet of the testing air pump.

[0007] By adopting the above technical solution, the testing chamber features an outer casing and an inner shell, with the inner shell fitted and fixed to the inner side of the outer casing, enhancing the structural strength and sealing of the testing chamber. The vertical mounting base facilitates the installation of the pressure-holding assembly, which provides stable pressure to the water tank, ensuring its stability during testing. The liquid level control unit precisely controls the liquid level within the testing chamber, and the auxiliary equipment seat can be flipped open for easy maintenance and repair of equipment such as the testing air pump. The air supply hose delivers the gas generated by the testing air pump to the water tank, enabling airtightness testing.

[0008] Optionally, the outer casing includes a bottom shell and a flow guide shell, the flow guide shell being installed on the upper end face of the bottom shell and fixedly connected to the bottom shell.

[0009] By adopting the above technical solution, the outer casing is divided into a bottom shell and a flow guide shell, with the flow guide shell installed on the upper surface of the bottom shell and fixedly connected. This structural design makes the assembly of the testing box more convenient, and the flow guide shell facilitates the placement of the water tank to be tested into the testing box, while also making it easier to remove after testing, thus improving the convenience of the testing operation.

[0010] Optionally, several auxiliary support feet are vertically installed on both sides of the lower end face of the bottom shell, and the auxiliary support feet are fixedly connected to the bottom shell. An overflow groove corresponding to the liquid level control box assembly is also provided on the side of the bottom shell.

[0011] By adopting the above technical solution, the auxiliary support feet on both sides of the lower end face of the bottom shell enhance the stability of the detection device and prevent it from shaking during operation. The overflow trough corresponds to the liquid level control box assembly. When the liquid level in the detection box is too high, the excess liquid can flow into the liquid level control box assembly through the overflow trough, avoiding liquid overflow that could cause environmental pollution and equipment damage.

[0012] Optionally, the pressing assembly includes an electric cylinder and a pressing mesh frame. The electric cylinder is vertically fixed to the lower end face of the vertical support, and the pressing mesh frame is horizontally arranged below the electric cylinder and connected to the output end of the electric cylinder.

[0013] By adopting the above technical solution, the holding assembly uses a combination of an electric cylinder and a holding mesh frame. The electric cylinder features high precision and fast response speed, enabling precise control of the lifting and lowering of the holding mesh frame, thereby providing stable holding for the water tank. The horizontally positioned holding mesh frame allows for uniform pressure application, ensuring that the water tank does not shift or shake during testing, thus improving testing accuracy.

[0014] Optionally, the liquid level control box assembly includes a liquid storage tank, a water pump, and a liquid supply pipe assembly. The liquid storage tank is fixedly installed on the outer side of the bottom shell, the water pump is fixedly installed on the liquid storage tank, and the lower end of the liquid supply pipe assembly is connected to the outlet of the water pump.

[0015] By adopting the above technical solution, the liquid level control box assembly includes a storage tank, a water pump, and a supply pipe assembly. The storage tank stores the liquid required for testing, the water pump delivers the liquid from the storage tank to the testing chamber, and the supply pipe assembly connects the water pump and the testing chamber. By controlling the operation of the water pump, the liquid level in the testing chamber can be precisely controlled, ensuring the smooth progress of the testing process.

[0016] Optionally, the liquid supply pipe assembly includes a bent section and an inclined section. The bent section is fixedly installed on the outer side of the bottom shell, and the inclined section is installed above the flow guide shell, with the inclined section sealed to the head of the bent section.

[0017] By adopting the above technical solution, the design of the bend and inclined sections of the liquid supply pipe assembly allows the liquid to flow more smoothly into the detection chamber. The bend is fixedly installed on the outer side of the bottom shell, and the inclined section is installed above the guide shell and sealed to the head of the bend. This structural design avoids leakage of liquid during transportation and improves the accuracy of liquid level control.

[0018] Optionally, the auxiliary seat of the device includes a seat plate and an adjustable bracket. One end of the seat plate is rotatably mounted on the outer side of the bottom shell, and a limiting locking rod for locking the seat plate is also installed on the bottom shell. The adjustable bracket is fixedly mounted on the lower end face of the other end of the seat plate.

[0019] By adopting the above technical solution, one end of the base plate of the auxiliary seat is rotatably mounted on the outer side of the bottom shell, allowing it to be flipped open for easy maintenance and repair of equipment such as the testing air pump. A limit locking rod can lock the base plate, ensuring it can be flipped up when not in use and stably fixed within the outer casing. An adjustable bracket is fixedly mounted on the lower end face of the other end of the base plate, allowing the base plate to be flipped to a horizontal position for auxiliary support on the ground when in use.

[0020] Optionally, the adjustable bracket includes a positioning seat, a side stop bar, and a support plate. The positioning seat is fixedly installed at both ends of the side stop bar, and the support plate is rotatably installed on the inner side of the positioning seat.

[0021] By adopting the above technical solution, the adjustable bracket's positioning seat, side stops, and support plate design allow the support plate to be rotatably mounted on the inner side of the positioning seat. When not in use, the support plate can be flipped up and stored against the seat plate. When needed, it can be flipped to a vertical position, with the side stops providing additional support to ensure the support plate can be stably and vertically supported on the ground. This meets different usage needs and improves the flexibility and stability of the equipment.

[0022] In summary, this application includes at least one of the following beneficial technical effects: The overall structure of the airtightness testing device of this application is reasonably designed, with tight connections between components, facilitating installation and disassembly. The pressure holding assembly can stably hold the water tank, the liquid level control box group can accurately control the liquid level in the testing tank, and the testing air pump can provide a stable testing gas. These measures ensure the accuracy and reliability of airtightness testing and can promptly detect airtightness problems in the water tank. The equipment sub-base can be flipped open, facilitating maintenance and repair of equipment such as the testing air pump. Simultaneously, the modular design of each component makes replacement and maintenance more convenient, reducing equipment maintenance costs. Attached Figure Description

[0023] Figure 1 This is a perspective view of the overall structure in the embodiments of this application.

[0024] Figure 2 yes Figure 1 Front view of the device shown.

[0025] Figure 3 yes Figure 1 The diagram shows a perspective view of the device without the pressure-holding components installed.

[0026] Figure 4 yes Figure 3 Side view of the device shown.

[0027] Figure 5 This is a perspective view of the pressing component in the embodiments of this application.

[0028] Explanation of reference numerals in the attached drawings: 1. Detection box; 11. Outer box; 111. Bottom shell; 112. Flow guide shell; 113. Auxiliary support leg; 114. Overflow trough; 115. Limiting locking rod; 12. Inner shell; 2. Vertical hanging seat; 3. Pressing assembly; 31. Electric cylinder; 32. Pressing mesh frame; 4. Liquid level control box assembly; 41. Liquid storage tank; 42. Water pump; 43. Liquid supply pipe assembly; 431. Bend section; 432. Inclined pipe section; 5. Equipment auxiliary seat; 51. Seat plate; 52. Adjustable bracket; 521. Positioning seat; 522. Side stop bar; 523. Support plate; 6. Detection air pump; 60. Air supply solenoid. Detailed Implementation

[0029] The present application will be further described in detail below with reference to the accompanying drawings.

[0030] This application discloses an airtightness testing device for a cooling cabinet water tank. (Refer to...) Figure 1 , Figure 2 and Figure 3As shown, an airtightness testing device for a cooling cabinet water tank includes a testing box 1. The testing box 1 includes an outer box 11 and an inner shell 12. The inner shell 12 is installed inside the outer box 11 and is fixedly attached to the inner side of the outer box 11. A vertical hanger 2 is fixedly installed on the outer box 11. A pressure holding assembly 3 is vertically installed on the lower end face of the vertical hanger 2 and is fixedly installed at the center of the lower end face of the vertical hanger 2. A liquid level control box assembly 4 is installed on one side of the outer box 11 and is fixedly connected to the outer box 11. A flip-open equipment sub-base 5 is installed on the other side of the outer box 11. A testing air pump 6 is fixedly installed on the upper end face of the equipment sub-base 5, and an air supply solenoid 60 is installed at the air outlet of the testing air pump 6. The design of the outer box 1 and the inner shell 12, with the inner shell 12 fixedly attached to the inner side of the outer box 11, enhances the structural strength and sealing performance of the testing box 1. The vertical support 2 facilitates the installation of the pressure holding assembly 3, which provides stable pressure to the water tank, ensuring its stability during testing. The liquid level control box 4 precisely controls the liquid level in the testing chamber 1. The auxiliary equipment seat 5 can be flipped open for easy maintenance and repair of equipment such as the testing air pump 6. The air supply solenoid 60 delivers the gas generated by the testing air pump 6 to the water tank, enabling airtightness testing.

[0031] Reference Figure 3 and Figure 4 As shown, the outer casing 11 includes a bottom shell 111 and a flow guide shell 112. The flow guide shell 112 is installed on the upper end face of the bottom shell 111 and is fixedly connected to the bottom shell 111. The outer casing 11 is divided into a bottom shell 111 and a flow guide shell 112, with the flow guide shell 112 installed on the upper end face of the bottom shell 111 and fixedly connected. This structural design makes the assembly of the testing box 1 more convenient. At the same time, the flow guide shell 112 is designed to facilitate the placement of the water tank to be tested into the testing box 1, and also facilitates its removal after testing, improving the convenience of the testing operation. Several auxiliary support legs 113 are vertically installed on both sides of the lower end face of the bottom shell 111. The auxiliary support legs 113 are fixedly connected to the bottom shell 111. An overflow groove 114 corresponding to the liquid level control box assembly 4 is also provided on the side of the bottom shell 111. The auxiliary support feet 113 on both sides of the lower end face of the bottom shell 111 enhance the stability of the detection device and prevent the device from shaking during operation. The overflow tank 114 corresponds to the liquid level control box group 4. When the liquid level in the detection box 1 is too high, the excess liquid can flow into the liquid level control box group 4 through the overflow tank 114, avoiding liquid overflow that could cause environmental pollution and equipment damage.

[0032] Reference Figure 5As shown, the holding assembly 3 includes an electric cylinder 31 and a holding frame 32. The electric cylinder 31 is vertically fixed to the lower end face of the vertical hanger 2, and the holding frame 32 is horizontally positioned below the electric cylinder 31 and connected to the output end of the electric cylinder 31. The holding assembly 3 uses a combination of the electric cylinder 31 and the holding frame 32. The electric cylinder 31 features high precision and fast response, and can accurately control the lifting and lowering of the holding frame 32, thereby providing stable holding for the water tank. The horizontally positioned holding frame 32 can apply pressure evenly, ensuring that the water tank does not shift or shake during the testing process, thus improving the accuracy of the test.

[0033] Reference Figure 2 and Figure 3 As shown, the liquid level control box assembly 4 includes a liquid storage tank 41, a water pump 42, and a liquid supply pipe assembly 43. The liquid storage tank 41 is fixedly installed on the outer side of the bottom shell 111, the water pump 42 is fixedly installed on the liquid storage tank 41, and the lower end of the liquid supply pipe assembly 43 is connected to the outlet of the water pump 42. The liquid level control box assembly 4 includes a liquid storage tank 41, a water pump 42, and a liquid supply pipe assembly 43. The liquid storage tank 41 is used to store the liquid required for testing. The water pump 42 can transport the liquid in the liquid storage tank 41 to the testing chamber 1. The liquid supply pipe assembly 43 connects the water pump 42 and the testing chamber 1. By controlling the operation of the water pump 42, the liquid level in the testing chamber 1 can be precisely controlled, ensuring the smooth progress of the testing process. The liquid supply pipe assembly 43 includes a bent section 431 and an inclined section 432. The bent section 431 is fixedly installed on the outer side of the bottom shell 111, and the inclined section 432 is installed above the guide shell 112 and is sealed to the head of the bent section 431. The design of the bent section 431 and the inclined section 432 of the liquid supply pipe assembly 43 allows the liquid to flow more smoothly into the detection chamber 1. The bent section 431 is fixedly installed on the outer side of the bottom shell 111, and the inclined section 432 is installed above the guide shell 112 and sealed to the head of the bent section 431. This structural design avoids leakage of liquid during transportation and improves the accuracy of liquid level control.

[0034] Reference Figure 2 , Figure 3 and Figure 4As shown, the auxiliary equipment seat 5 includes a seat plate 51 and an adjustable bracket 52. One end of the seat plate 51 is rotatably mounted on the outer side of the bottom shell 111, and a limiting locking rod 115 for locking the seat plate 51 is also installed on the bottom shell 111. The adjustable bracket 52 is fixedly mounted on the lower end face of the other end of the seat plate 51. The seat plate 51 of the auxiliary equipment seat 5 is rotatably mounted on the outer side of the bottom shell 111, allowing it to be flipped open for easy maintenance and repair of equipment such as the detection air pump 6. The limiting locking rod 115 can lock the seat plate 51, ensuring that the seat plate 51 can be flipped up when not in use, and that the seat plate 51 can be stably fixed in the outer casing 11. The adjustable bracket 52 is fixedly mounted on the lower end face of the other end of the seat plate 51, allowing the seat plate 51 to be flipped to a horizontal position for use, and the adjustable bracket 52 can be used to assist in supporting it on the ground. The adjustable bracket 52 includes a positioning seat 521, a side stop bar 522, and a support plate 523. The positioning seat 521 is fixedly installed at both ends of the side stop bar 522, and the support plate 523 is rotatably installed on the inner side of the positioning seat 521. By adopting the above technical solution, the design of the positioning seat 521, side stop bar 522, and support plate 523 of the adjustable bracket 52 allows the support plate 523 to be rotatably installed on the inner side of the positioning seat 521. When not in use, the support plate 523 can be flipped and stored against the base plate 51. When needed, it can be flipped to a vertical position, with the side stop bar 522 providing additional support, ensuring that the support plate 523 can be stably and vertically supported on the ground. This meets different usage needs and improves the flexibility and stability of the equipment.

[0035] The implementation principle of the airtightness testing device for a cooling cabinet water tank in this embodiment is as follows: The cooling cabinet water tank to be tested is placed inside the testing chamber 1. The electric cylinder 31 is activated, causing the holding frame 32 to descend and stably hold the water tank. The water pump 42 is activated, supplying liquid from the storage tank 41 to the testing chamber 1 via the supply pipe assembly 43. When the liquid level in the testing chamber reaches a set height, the water pump stops. The limit lock rod 115 is rotated to release the lock, and then the base plate 51 is flipped down, allowing operation of the testing air pump 6 on the base plate 51. The air supply helical pipe 60 is connected to the corresponding pre-installed pipe joint on the water tank. The testing air pump 6 is activated, supplying gas to the water tank via the air supply helical pipe 60. Observe whether bubbles are generated around the water tank to determine if there is an airtightness problem. After the test is completed, the electric cylinder 31 is activated, causing the holding frame 32 to rise and the water tank is removed.

[0036] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. An airtightness testing device for a cooling cabinet water tank, comprising a testing chamber (1), characterized in that: The detection box (1) includes an outer box (11) and an inner shell (12). The inner shell (12) is installed in the outer box (11) and is fixedly attached to the inner side of the outer box (11). A vertical hanging seat (2) is fixedly installed on the outer box (11). A pressure holding assembly (3) is vertically installed on the lower end face of the vertical hanging seat (2). The pressure holding assembly (3) is fixedly installed at the center of the lower end face of the vertical hanging seat (2). A liquid level control box assembly (4) is installed on one side of the outer box (11). The liquid level control box assembly (4) is fixedly connected to the outer box (11). A flip-open equipment sub-base (5) is installed on the other side of the outer box (11). A detection air pump (6) is fixedly installed on the upper end face of the equipment sub-base (5). An air supply solenoid (60) is installed at the air outlet of the detection air pump (6).

2. The airtightness detection device for a cooling cabinet water tank according to claim 1, characterized in that: The outer casing (11) includes a bottom shell (111) and a flow guide shell (112). The flow guide shell (112) is installed on the upper end face of the bottom shell (111) and is fixedly connected to the bottom shell (111).

3. The airtightness detection device for a cooling cabinet water tank according to claim 2, characterized in that: Several auxiliary legs (113) are vertically installed on both sides of the lower end face of the bottom shell (111). The auxiliary legs (113) are fixedly connected to the bottom shell (111). An overflow groove (114) corresponding to the liquid level control box group (4) is also opened on the side of the bottom shell (111).

4. The airtightness detection device for a cooling cabinet water tank according to claim 3, characterized in that: The pressing assembly (3) includes an electric cylinder (31) and a pressing frame (32). The electric cylinder (31) is vertically fixed to the lower end face of the vertical hanger (2). The pressing frame (32) is horizontally arranged below the electric cylinder (31) and is connected to the output end of the electric cylinder (31).

5. The airtightness testing device for a cooling cabinet water tank according to claim 4, characterized in that: The liquid level control box assembly (4) includes a liquid storage tank (41), a water pump (42), and a liquid supply pipe assembly (43). The liquid storage tank (41) is fixedly installed on the outer side of the bottom shell (111), the water pump (42) is fixedly installed on the liquid storage tank (41), and the lower end of the liquid supply pipe assembly (43) is connected to the outlet of the water pump (42).

6. The airtightness detection device for a cooling cabinet water tank according to claim 5, characterized in that: The liquid supply pipe assembly (43) includes a bent pipe section (431) and an inclined pipe section (432). The bent pipe section (431) is fixedly installed on the outer side of the bottom shell section (111), and the inclined pipe section (432) is installed above the flow guide shell (112). The inclined pipe section (432) is sealed to the head of the bent pipe section (431).

7. The airtightness testing device for a cooling cabinet water tank according to claim 6, characterized in that: The sub-base (5) of the equipment includes a base plate (51) and an adjustable bracket (52). One end of the base plate (51) is rotatably mounted on the outer side of the bottom shell (111), and a limiting locking rod (115) for locking the base plate (51) is also installed on the bottom shell (111). The adjustable bracket (52) is fixedly mounted on the lower end face of the other end of the base plate (51).

8. The airtightness detection device for a cooling cabinet water tank according to claim 7, characterized in that: The adjustable bracket (52) includes a positioning seat (521), a side stop (522) and a support plate (523). The positioning seat (521) is fixedly installed at both ends of the side stop (522), and the support plate (523) is rotatably installed on the inner side of the positioning seat (521).

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