Leak detection device for stainless steel plate core of full-flow-channel solar thermal collector

Abstract

The utility model discloses a leak detection device for a stainless steel plate core of a full-flow-channel solar thermal collector, which comprises a lifting frame positioned above a water tank, and a clamping mechanism for clamping the thermal collector is arranged on the lifting frame; an air supply mechanism and a limiting switch are further arranged on one side of the water tank, the air supply mechanism comprises an air supply connector and a movable frame, and the air supply connector is arranged on the movable frame and connected with an air pressure source; a connecting pipe extending upwards is arranged on the side, close to the air supply mechanism, of the full-flow-channel heat collector, an air inlet connector is arranged at the upper end of the connecting pipe, and the air inlet connector faces the air supply connector and is flush with the air supply connector. During detection, the lifting frame drives a full-flow-channel heat collector stainless steel plate core and the like to fall into the water tank, the lifting frame touches the limiting switch, the moving frame drives the air supply connector to be in butt joint with the air inlet connector, and after detection is completed, the moving frame drives the air supply connector to be separated from the air inlet connector. The alignment of the air supply connector and the air inlet connector does not need to be judged manually, automatic inflation is achieved, the board core cannot be missed, and the safety problem is reduced.

Description

Technical Field

[0001] The utility model belongs to the technical field of solar collector plate core detection, in particular to a leakage detection device for a full-flow solar collector stainless steel plate core. Background Art

[0002] During the production process of full-channel flat-plate solar collectors, the collectors need to be leak-tested to ensure their sealing in order to determine whether the sealing is good. Therefore, how to quickly and accurately test the core for leaks is an important process step to improve the production of full-channel flat-plate solar collectors.

[0003] Currently, the most common leak detection method is to use an air-filled submerged leak test. This involves submerging the collector into a water tank, inflating the copper tube core inside the collector, and observing for bubbles in the water tank. Existing equipment lacks automatic inflation and degassing capabilities, requiring manual verification of the alignment and connection of the core pipe and the inflation pipe before manual inflation and degassing. This can lead to operator error or negligence in opening the inflation valve, resulting in missed cores being passed through the next process and potentially entering the market, posing safety risks. Utility Model Content

[0004] The present invention aims to overcome the shortcomings of the prior art and provides a leak detection device for stainless steel plate cores of full-flow solar collectors. The device uses a lifting frame to lower the collector into a water tank. At this point, the air inlet and air supply interfaces face each other, and the lifting frame contacts a limit switch. After the limit switch is activated, the movable frame drives the air supply interface to mate with the air inlet interface. After the detection is complete, the movable frame drives the air supply interface to detach from the air inlet interface. This eliminates the need for manual alignment of the air supply and air inlet interfaces, allows for automatic inflation, and eliminates missed inspections of the plate core, reducing safety concerns.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a leak detection device for the stainless steel plate core of a full-flow solar collector, comprising a lifting frame located above a water tank, the lifting frame being provided with a clamping mechanism for clamping the collector; an air supply mechanism and a limit switch are also provided on one side of the water tank, the air supply mechanism comprising an air supply interface and a movable frame, the air supply interface being arranged on the movable frame, the air supply interface being connected to an air pressure source; an upwardly extending connecting pipe is provided on the side of the collector close to the air supply mechanism, an air inlet interface is provided on the upper end of the connecting pipe, the air inlet interface faces the air supply interface, and is aligned with the air supply interface.

[0006] Preferably, the lifting frame includes a horizontally arranged horizontal plate and vertical plates arranged on both sides of the horizontal plate, and the upper end of the vertical plate is provided with an overhanging plate 1, and the lower end is provided with an overhanging plate 2.

[0007] Preferably, the limit switch is provided with a touch rod, the outer end of the touch rod extends to the water tank, and the touch rod is located between the first extension plate and the second extension plate.

[0008] Preferably, the air supply mechanism further includes a movable guide rail and a driving unit, the movable frame is located on the movable guide rail, and the driving unit is arranged on the movable frame.

[0009] Preferably, the clamping mechanism includes a push plate and a baffle located on both sides of the horizontal plate, the push plate is connected to the push cylinder through a connecting plate, and the push cylinder is arranged on the upper end of the vertical plate.

[0010] Preferably, a limit stop bar is also provided on the transverse plate.

[0011] Compared with the prior art, the advantages and positive effects of the present invention are:

[0012] (1) The lifting frame drives the collector to fall into the water tank. At this time, the air inlet interface and the air supply interface are facing each other, and the lifting frame touches the limit switch. After the limit switch is activated, the moving frame drives the air supply interface and the air inlet interface to connect. After the inspection is completed, the moving frame drives the air supply interface and the air inlet interface to separate. There is no need to manually judge the alignment of the air supply interface and the air inlet interface. Automatic inflation will not miss the board core and reduce safety problems.

[0013] (2) When the lifting frame falls, the first extension plate contacts the contact rod on the limit switch, and the collector on the horizontal plate falls completely into the water tank. The lifting frame stops moving, the air interface and the air supply interface are aligned, and they are docked and inflated. After a period of time, the inspection is completed, and the lifting frame rises. The second extension plate contacts the contact rod on the limit switch, and the lifting frame stops moving. The inspected collector is removed and replaced before continuing the inspection operation.

[0014] (3) The clamping mechanism includes a push plate and a baffle located on both sides of the horizontal plate. The push plate is connected to the push cylinder through a connecting plate. The push cylinder is set at the upper end of the vertical plate. The push cylinder can push the collector onto the baffle to clamp it and also position it.

[0015] (4) A limit bar is also provided on the horizontal plate to limit the moving direction of the collector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of the utility model;

[0017] Figure 2 for Figure 1 An enlarged schematic diagram of the clamping mechanism;

[0018] Figure 3 Schematic diagram of the gas supply mechanism.

[0019] Description of reference numerals:

[0020] 1-lifting frame, 11-horizontal board, 12-vertical board, 13-extending board 1, 14-extending board 2;

[0021] 2-clamping mechanism, 21-push plate, 22-baffle, 23-limiting block bar, 24-connecting plate, 25-push cylinder;

[0022] 3-air supply mechanism, 31-air supply interface, 32-movable frame, 33-movable guide rail, 34-driving unit;

[0023] 4-limit switch, 41-touch rod;

[0024] 5-heat collector, 51-air inlet interface, 52-pipe connection;

[0025] 6-Sink. DETAILED DESCRIPTION

[0026] In order to more clearly understand the above-mentioned objects, features and advantages of the present invention, the present invention will be further described below with reference to the accompanying drawings and embodiments.

[0027] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0028] Example

[0029] The following is combined with Figure 1-3 A leak detection device for a stainless steel plate core of a full-flow solar collector in an embodiment is described. Figure 1 and 3 As shown, it includes a lifting frame 1 located above the water tank 6, and the lifting frame 1 is provided with a clamping mechanism 2 for clamping the collector 5; an air supply mechanism 3 and a limit switch 4 are also provided on one side of the water tank 6, and the air supply mechanism 3 includes an air supply interface 31 and a movable frame 32, and the air supply interface 31 is arranged on the movable frame 32, and the air supply interface 31 is connected to the air pressure source; the side of the collector 5 close to the air supply mechanism 3 is provided with an upward extending connecting pipe 52, and the upper end of the connecting pipe 52 is provided with an air inlet interface 51, and the air inlet interface 51 faces the air supply interface 31 and is aligned with the air supply interface 31.

[0030] The lifting frame 1 drives the heat collector 5 to fall into the water tank 6. At this time, the air inlet interface 51 is facing the air supply interface 31, and the lifting frame 1 touches the limit switch 4. After the limit switch 4 is activated, the movable frame 32 drives the air supply interface 31 to connect with the air inlet interface 51. After the detection is completed, the movable frame 32 drives the air supply interface 31 to separate from the air inlet interface 51. There is no need to manually judge the alignment of the air supply interface 31 and the air inlet interface 51. Automatic inflation will not miss the board core and reduce safety issues.

[0031] like Figure 2 As shown, the lifting frame 1 includes a horizontally arranged horizontal plate 11 and vertical plates 12 arranged on both sides of the horizontal plate 11. The vertical plates 12 have an upper end with an overhanging plate 13 and a lower end with an overhanging plate 2 14. The limit switch 4 is provided with a contact rod 41, the outer end of which extends to the water tank 6. The contact rod 41 is located between the overhanging plate 13 and the overhanging plate 2 14.

[0032] When the lifting frame 1 falls, the extended plate 13 contacts the contact rod 41 on the limit switch 4, and the collector 5 on the horizontal plate 11 completely falls into the water tank 6. The lifting frame 1 stops moving, the air interface 51 is aligned with the air supply interface 31, and docking and inflation are carried out. After a period of time, when the inspection is completed, the lifting frame 1 rises, the extended plate 2 14 contacts the contact rod 41 on the limit switch 4, and the lifting frame 1 stops moving. The inspected collector 5 is removed and replaced before continuing the inspection operation.

[0033] like Figure 3 As shown, the air supply mechanism 3 further includes a moving guide rail 33 and a driving portion 34 . The moving frame 32 is located on the moving guide rail 33 , and the driving portion 34 is provided on the moving frame 32 .

[0034] like Figure 2 As shown, the clamping mechanism 2 includes a push plate 21 and a baffle 22 located on either side of the horizontal plate 11. The push plate 21 is connected to a push cylinder 25 via a connecting plate 24. The push cylinder 25 is located at the upper end of the vertical plate 12. The push cylinder 25 can push the heat collector 5 onto the baffle 22 to clamp it and also position it. The horizontal plate 11 is also provided with a limit stop 23 to limit the movement direction of the heat collector 5.

[0035] In the description of this utility model, the terms "upper," "lower," "front," "back," "left," "right," "top," "bottom," "vertical," "horizontal," and the like, indicating positions or locations, are based on the positions or locations shown in the accompanying drawings and are intended solely for the purpose of describing the utility model. They do not require that the utility model must be constructed or operated in a specific position and are therefore not to be construed as limiting the utility model. The terms "connected" and "connected" in this utility model should be understood broadly, for example, to mean connected or detachably connected; directly connected or indirectly connected via an intermediate component. Those skilled in the art will understand the specific meanings of the above terms in specific circumstances.

[0036] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any other form. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes for application in other fields. However, any simple modification or equivalent change made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A leak detection device for a stainless steel core of a full-flow solar collector, characterized in that: It comprises a lifting frame (1) located above the water tank (6), wherein the lifting frame (1) is provided with a clamping mechanism (2) for clamping the heat collector (5); An air supply mechanism (3) and a limit switch (4) are also provided on one side of the water tank (6); the air supply mechanism (3) comprises an air supply interface (31) and a movable frame (32); the air supply interface (31) is provided on the movable frame (32); and the air supply interface (31) is connected to an air pressure source; A connecting pipe (52) extending upward is provided on one side of the heat collector (5) close to the air supply mechanism (3); an air inlet interface (51) is provided at the upper end of the connecting pipe (52); the air inlet interface (51) faces the air supply interface (31) and is aligned with the air supply interface (31).

2. A leak detection device for a stainless steel plate core of a full-flow solar collector according to claim 1, characterized in that: The lifting frame (1) comprises a horizontally arranged transverse plate (11) and vertical plates (12) arranged on both sides of the transverse plate (11); the upper end of the vertical plate (12) is provided with an outward extending plate 1 (13), and the lower end is provided with an outward extending plate 2 (14).

3. A leak detection device for a stainless steel plate core of a full-flow solar collector according to claim 2, characterized in that: The limit switch (4) is provided with a touch rod (41), the outer end of the touch rod (41) extends to the water tank (6), and the touch rod (41) is located between the first extension plate (13) and the second extension plate (14).

4. A leak detection device for a stainless steel plate core of a full-flow solar collector according to claim 3, characterized in that: The air supply mechanism (3) further comprises a movable guide rail (33) and a driving unit (34); the movable frame (32) is located on the movable guide rail (33); and the driving unit (34) is arranged on the movable frame (32).

5. The leak detection device for the stainless steel plate core of a full-flow solar collector according to claim 3, characterized in that: The clamping mechanism (2) comprises a push plate (21) and a baffle (22) located on both sides of the horizontal plate (11); the push plate (21) is connected to a push cylinder (25) via a connecting plate (24); and the push cylinder (25) is arranged at the upper end of the vertical plate (12).

6. A leak detection device for a stainless steel plate core of a full-flow solar collector according to claim 5, characterized in that: The transverse plate (11) is also provided with a limit stop bar (23).

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