Device for testing rupture and air leakage of diaphragm flange edge

By designing the connection between the enclosed chamber and the early warning control box, and using pressure switches and alarms to achieve real-time monitoring of the diaphragm flange edge, the problem of not being able to detect minor leaks at the diaphragm flange edge in time is solved, and timely alarm and early warning functions are realized.

CN223710984UActive Publication Date: 2025-12-23JIANGSU SHENTONG NUCLEAR POWER EQUIP CO LTD
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Patent Information

Application Number
CN202422683949.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-05
Publication Date
2025-12-23
Estimated Expiration
2034-11-05

AI Technical Summary

Technical Problem

Current technology cannot detect minor tears on the diaphragm flange in time, which may lead to undetected air leaks and potentially serious consequences.

Method used

A testing device was designed, which connects to an early warning control box via a closed chamber and pipeline. The device uses a pressure switch and an alarm to monitor gas leakage at the diaphragm flange in real time. The closed chamber is connected to the early warning control box via pipeline, and gas pressure transmission and alarm are achieved using a power supply, an alarm, and a pressure switch.

Benefits of technology

It enables accurate detection and timely alarm of minor leaks at the diaphragm flange edge, avoiding serious consequences caused by failure to detect them in time.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a device for testing rupture and air leakage of a diaphragm flange edge, which comprises a diaphragm box and is characterized in that the diaphragm box forms a closed cavity through a pressing plate, a side plate, a sealing ring and a sealing ring, and the closed cavity is communicated with an early warning control box through a pipeline. According to the technical scheme, an existing method for visually observing leakage by using leakage detection liquid, a sticker and the like can be replaced, and the problem that slight tearing of the diaphragm cannot be found in time is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a device for testing rupture and gas leakage of diaphragm flange edge. BACKGROUND

[0002] Since the diaphragm is a rubber part, the diaphragm is a component prone to failure in the actuator, especially the flange edge part, when fastened by the bolt, stress concentration caused by uneven diaphragm box, excessive fastening torque leading to crushing, and insufficient torque caused by stress relaxation after long compression leading to tearing, etc. Since the diaphragm is installed inside the actuator, we cannot discover it in time when it just tears, and when we discover its abnormality, it often has a large consequence. SUMMARY

[0003] In view of the deficiencies of the prior art, the utility model provides a device for testing rupture and gas leakage of diaphragm flange edge, which comprises a diaphragm box, the diaphragm box forms a closed chamber through a pressing plate, a side plate, a sealing ring and a sealing ring, and the closed chamber is connected with a warning control box through a pipeline.

[0004] Preferably, the pipeline is arranged on the pressing plate.

[0005] Preferably, the pipeline is arranged on the side plate.

[0006] Preferably, the warning control box comprises a power supply, an alarm and a pressure switch.

[0007] Preferably, the side plate and the pressing plate are sealed by the sealing ring, and the sealing ring and the diaphragm box are sealed by the pressing plate through a fastener.

[0008] Preferably, the sealing ring is made of rubber, plastic, graphite or other non-metallic materials.

[0009] Preferably, the side plate and the pressing plate are sealed by welding. ADVANTAGEOUS EFFECTS

[0010] The technical scheme has simple structure, can replace the existing method of using leak detection liquid and sticking paper strip to visually observe whether leakage occurs, and solves the problem that the slight tearing of the diaphragm cannot be discovered in time. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 The utility model structural schematic diagram.

[0012] In the drawing: 1. fastener; 2. side plate; 3. pressing plate; 4. sealing ring; 5. control box; 6 pipeline; 7 sealing ring; 8. diaphragm box; 9. closed chamber; 10. diaphragm flange edge. DETAILED DESCRIPTION

[0013] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0014] Referring to Figure 1 The utility model provides a device for testing diaphragm flange edge breakage gas leakage, including diaphragm box, diaphram box forms a closed chamber through pressing plate, side plate, sealing washer, sealing ring, side plate and pressing plate are sealed through sealing washer, sealing ring and diaphragm box are sealed through fastener extruding pressing plate, closed chamber is connected early warning control box through pipeline, and pipeline is set on pressing plate, and early warning control box includes power, alarm, pressure switch. When diaphragm flange edge leaks, the gas leakage gathers in the closed chamber, and the pressure of closed chamber increases, and the air pressure is transmitted to the pressure switch in early warning control box through pipeline, and when the air pressure reaches the parameter set by pressure switch, the alarm in early warning control box will send sound or light signal, and informs control or maintenance personnel to intervene in time and handles, avoids the more serious consequence of happening. Because the closed chamber is closed, so the microleakage of diaphragm breakage initial stage can also be detected by the pressure switch of very high precision.

[0015] It should be noted that, in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations.

Claims

1. A device for testing the burst leak of a diaphragm flange, comprising a diaphragm cassette, characterized in that, The diaphragm box forms a closed chamber through the pressing plate, the side plate, the sealing ring and the sealing ring, and the closed chamber is communicated with the early warning control box through the pipeline.

2. The device for testing the rupture of the flange edge of a diaphragm according to claim 1, characterized in that The pipeline is arranged on the pressing plate.

3. The device for testing the rupture of the flange edge of a diaphragm according to claim 1, characterized in that The pipeline is arranged on the side plate.

4. The device for testing the rupture of the flange edge of a diaphragm according to claim 1, characterized in that The early warning control box comprises a power supply, an alarm and a pressure switch.

5. The device for testing the rupture of the flange edge of a diaphragm according to claim 1, characterized in that The side plate and the pressing plate are sealed through the sealing ring, and the sealing ring and the diaphragm box are sealed through the fastener extruding the pressing plate.

6. A device for testing the rupture of the flange edge of a diaphragm according to claim 5, characterized in that The sealing ring is made of one of non-metallic materials such as rubber, plastic and graphite.

7. The device for testing the rupture of the flange edge of a diaphragm according to claim 1, characterized in that The side plate and the pressing plate are sealed through welding.