Intelligent exhaust valve
By integrating sensors and an electric eccentric hemispherical valve into the exhaust valve, combined with an anti-impact basket structure, real-time monitoring and control of the intelligent exhaust valve are achieved, solving the problem that existing exhaust valves cannot be monitored in real time, reducing costs and improving the reliability and durability of the equipment.
Patent Information
- Application Number
- CN202422859830.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-22
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2034-11-22
AI Technical Summary
Existing exhaust valves cannot monitor their working status in real time, leading to complex maintenance and management, as well as issues such as complex structure and high cost.
Design an intelligent exhaust valve with a liquid level sensor, differential pressure sensor, noise sensor and water immersion sensor. Combine an electric eccentric hemispherical valve and a float structure to achieve a full-bore design and shockproof protection basket, supporting real-time monitoring and control by a PLC system.
It enables real-time status monitoring and control of the exhaust valve, reduces production costs, has a simple and reliable structure, avoids disturbance of the float by high-speed airflow, and improves the durability and operational reliability of the equipment.
Smart Images

Figure CN223740176U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to exhaust valve technical field especially relates to an intelligent exhaust valve. BACKGROUND
[0002] Exhaust valves play a crucial role in water delivery pipelines, primarily used to remove accumulated air within the pipeline, ensuring smooth water flow and rapidly drawing in external air in the event of negative pressure to prevent damage to the pipeline caused by negative pressure. However, staff cannot monitor the working state of the valve in real time, which makes maintenance and management complex. Therefore, it is recommended to consider the accessibility of the valve, add a state monitoring device, and develop a regular maintenance plan during design and installation to ensure that the exhaust valve can function normally and promptly play its role in protecting the pipeline, thereby maintaining the safety and stability of the water supply system.
[0003] Therefore, it is necessary to provide a new intelligent exhaust valve to solve the above technical problems. SUMMARY
[0004] To solve the above technical problems, the utility model provides an intelligent exhaust valve with the advantages of cost saving, simple structure design, durability, guiding effect and isolation effect.
[0005] The intelligent exhaust valve provided by the utility model comprises a valve body, a liquid level sensor body is arranged on one side in the valve body, a protective cover is fixedly connected to the top end of the valve body, a liquid level sensor sealing base is fixedly connected to the top end of the valve body and penetrates one end of the liquid level sensor body, a junction box is installed on the top end of the protective cover, a differential pressure sensor is arranged on one side of the inner bottom wall of the protective cover, a noise sensor is arranged on the other side of the inner bottom wall of the protective cover, a water immersion sensor is installed on one side of the differential pressure sensor, a fixer is fixedly connected to the inner side of the bottom end of the protective cover, a floating ball is movably connected to the inner wall of the valve body, an electric eccentric half-ball valve is installed at the bottom end of the valve body, and a driving element is arranged at one end of the electric eccentric half-ball valve.
[0006] Preferably, a guide rod is fixedly connected to the inner side of the fixer, a fixed rod is fixedly connected to one end of the guide rod, a lifting cover shaft head is fixedly connected to one end of the fixed rod, a lifting cover is fixedly connected to the side surface of the lifting cover shaft head, the lifting cover shaft head and the lifting cover are one part as a whole, a small hole sealing ring is movably connected to the inner side of one end of the lifting cover shaft head, and a large hole sealing ring is fixedly connected to the inner side of the valve body.
[0007] Preferably, a large number of exhaust holes are formed in the inner bottom wall of the protective cover, and a trace exhaust port is formed in the inner side of the small hole sealing ring.
[0008] Preferably, the inner side of the large-hole sealing ring is provided with a groove, the top surface of the lifting cover is in contact with the inner side of the groove, and the inner shape of the groove is the same as the top surface shape of the lifting cover.
[0009] Preferably, a valve body guard is fixedly connected to the inner bottom wall of the valve body, and the float floats freely inside the valve body.
[0010] Preferably, the valve body basket has a cavity on its inner side, the side of the float fits into the inner side of the cavity, and the valve body basket and the cavity are a unified whole.
[0011] Compared with related technologies, the intelligent exhaust valve provided by this utility model has the following beneficial effects:
[0012] 1. This utility model provides an intelligent exhaust valve. The exhaust valve has a full-bore structure, and the opening area of each channel inside the valve body is not less than the area of the nominal diameter. It has a high air intake and exhaust volume. The micro exhaust port is placed in a large number of air intake and exhaust ports. The overall volume of the valve does not need to be increased, and there is no need to connect a micro exhaust valve externally. While reducing the valve installation space, it also saves production costs. The structure is simple, the operation is flexible, the operation is reliable and durable. At the same time, the float adopts a movable float, which does not need to be connected to any parts and can be replaced separately.
[0013] 2. This utility model provides an intelligent exhaust valve, which has an anti-impact protection basket on the exhaust valve body. The design structure of the anti-impact protection basket conforms to the principle of fluid dynamics. The basket can play a guiding and isolation role, avoiding the "air closure" phenomenon under low pressure difference. It can effectively prevent high-speed airflow from disturbing the float and impacting the valve body, which could lead to the deformation or breakage of the float. Attached Figure Description
[0014] Figure 1 A schematic diagram of a preferred embodiment of the intelligent exhaust valve provided by this utility model;
[0015] Figure 2 for Figure 1 The diagram shows the structure of the exhaust system.
[0016] Figure 3 for Figure 1 The diagram shows the structural design of the basket protection structure.
[0017] Figure 4 for Figure 1 The diagram shows the overall external structure.
[0018] The figure mark: 1, valve body; 2, liquid level sensor body; 3, liquid level sensor sealing base; 4, protective cover; 5, junction box; 6, differential pressure sensor; 7, fixator; 8, floating ball; 9, electric eccentric half ball valve; 10, driving element; 11, water immersion sensor; 12, noise sensor; 13, guide rod; 14, large exhaust hole; 15, large hole sealing ring; 16, fixed rod; 17, groove; 18, lifting cover shaft head; 19, lifting cover; 20, small hole sealing ring; 21, valve body protection basket; 22, cavity. DETAILED DESCRIPTION
[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model is further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.
[0020] The specific implementation of the utility model is described in detail below in combination with specific examples.
[0021] Please refer to Figures 1 to 4 The utility model embodiment provides an intelligent exhaust valve, and the intelligent exhaust valve comprises:
[0022] The valve body 1 is internally provided with a liquid level sensor body 2 on one side, the top end of the valve body 1 is fixedly connected with a protective cover 4, one end of the liquid level sensor body 2 penetrates through the top end of the valve body 1 and is fixedly connected with a liquid level sensor sealing base 3, the top end of the protective cover 4 is installed with a junction box 5, one side of the inner bottom wall of the protective cover 4 is provided with a differential pressure sensor 6, the other side of the inner bottom wall of the protective cover 4 is provided with a noise sensor 12, one side of the differential pressure sensor 6 is installed with a water immersion sensor 11, the inner side of the bottom end of the protective cover 4 is fixedly connected with a fixator 7, the inner wall of the valve body 1 is movably connected with a floating ball 8, the bottom end of the valve body 1 is installed with an electric eccentric half ball valve 9, one end of the electric eccentric half ball valve 9 is provided with a driving element 10.
[0023] It should be noted that: the initial installation state of the pipeline, at this time the lifting cover 19 and the floating ball 8 naturally fall.
[0024] In the embodiment of the utility model, please refer to Figure 1 And Figure 2 The inner side of the fixator 7 is fixedly connected with a guide rod 13, one end of the guide rod 13 is fixedly connected with a fixed rod 16, one end of the fixed rod 16 is fixedly connected with a lifting cover shaft head 18, the side surface of the lifting cover shaft head 18 is fixedly connected with a lifting cover 19, the lifting cover shaft head 18 and the lifting cover 19 are a whole part, the inner side of one end of the lifting cover shaft head 18 is movably connected with a small hole sealing ring 20, the inner side of the valve body 1 is fixedly connected with a large hole sealing ring 15.
[0025] Need to explain: pipeline initial running state, with pipeline water, float ball 8 and lifting cover 19 are lifted, large exhaust hole sealing.
[0026] In the embodiment of the utility model, please refer to Figure 1 And Figure 2 The inner bottom wall of the protective cover 4 is provided with a large number of exhaust holes 14, and the inner side of the small hole sealing ring 20 is provided with a trace exhaust port.
[0027] Need to explain: pipeline normal running state: with the rise of the gas pressure in the valve, the water surface in the valve cavity drops, and the float ball 8 is separated from the sealing surface.
[0028] In the embodiment of the utility model, please refer to Figure 1 And Figure 2 The inner side of the large hole sealing ring 15 is provided with a groove 17, the top surface of the lifting cover 19 is attached to the inner side of the groove 17, and the inner side of the groove 17 is the same shape as the top surface of the lifting cover 19.
[0029] Need to explain: high pressure trace automatic exhaust state, low pressure large inlet and exhaust port state.
[0030] In the embodiment of the utility model, please refer to Figure 3 And Figure 4 The inner bottom wall of the valve body 1 is fixedly connected with the valve body basket 21, and the float ball 8 is freely floating on the inner side of the valve body 1.
[0031] Need to explain: detect the exhaust valve leakage state, close the lower end maintenance valve, the water pressure in the valve cavity drops, the float ball 8 is separated from the sealing surface of the lifting cover 19, and the valve can be maintained, washed and the like.
[0032] In the embodiment of the utility model, please refer to Figure 3 And Figure 4 The inner side of the valve body basket 21 is provided with a cavity 22, the side surface of the float ball 8 is attached to the inner side of the cavity 22, and the valve body basket 21 and the cavity 22 are a unified whole.
[0033] Need to explain: the basket can play the role of flow guide and isolation, avoid low pressure difference "air closing" phenomenon, need to start under pressure.
[0034] The working principle of the intelligent exhaust valve provided by the utility model is as follows: the user connects a twenty-core signal line introduced from the PLC control cabinet in the valve chamber with the exhaust valve junction box 5, connects the pressure transmitter, liquid level transmitter, water immersion sensor 11 and noise sensor 12 signals on the exhaust valve to the PLC control cabinet, and connects the electromagnetic wire ball valve and the lower end maintenance valve electric eccentric half ball valve 9 control line of the exhaust valve to the PLC control cabinet respectively. The running state of the exhaust valve is controlled and monitored in real time through the PLC system.
[0035] The circuit and the control involved in the utility model are prior art, and will not be described in detail here.
[0036] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process transformation using the content of the utility model specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the utility model.
Claims
1. An intelligent vent valve, characterized in that, Include: The valve body (1), one side inside the valve body (1) is provided with liquid level sensor body (2), the top end of the valve body (1) is fixedly connected with the protective cover (4), one end of the liquid level sensor body (2) is fixedly connected with the liquid level sensor sealing base (3) through the top end of the valve body (1), the top end of the protective cover (4) is installed with the junction box (5), one side of the inner bottom wall of the protective cover (4) is provided with the differential pressure sensor (6), the other side of the inner bottom wall of the protective cover (4) is provided with the noise sensor (12), one side of the differential pressure sensor (6) is installed with the water immersion sensor (11), the inner side of the bottom end of the protective cover (4) is fixedly connected with the fixator (7), the inner wall of the valve body (1) is movably connected with the float ball (8), the bottom end of the valve body (1) is installed with the electric eccentric half ball valve (9), one end of the electric eccentric half ball valve (9) is provided with the driving element (10).
2. The intelligent vent valve of claim 1, wherein, The inner side of the fixator (7) is fixedly connected with the guide rod (13), one end of the guide rod (13) is fixedly connected with the fixed rod (16), one end of the fixed rod (16) is fixedly connected with the lifting cover shaft head (18), the side of the lifting cover shaft head (18) is fixedly connected with the lifting cover (19), the lifting cover shaft head (18) and the lifting cover (19) are an integral part, the inner side of one end of the lifting cover shaft head (18) is movably connected with the small hole sealing ring (20), the inner side of the valve body (1) is fixedly connected with the large hole sealing ring (15).
3. The intelligent vent valve of claim 2, wherein, A large number of exhaust holes (14) are formed in the inner bottom wall of the protective cover (4), and a trace exhaust port is formed in the inner side of the small hole sealing ring (20).
4. The intelligent vent valve of claim 2, wherein, The inner side of the large hole sealing ring (15) is provided with a groove (17), the top surface of the lifting cover (19) is fitted with the inner side of the groove (17), and the shape of the inner side of the groove (17) is the same as the shape of the top surface of the lifting cover (19).
5. The intelligent vent valve of claim 1, wherein, The inner bottom wall of the valve body (1) is fixedly connected with the valve body protection basket (21), and the float ball (8) is freely floating on the inner side of the valve body (1).
6. The intelligent vent valve of claim 5, wherein, The inner side of the valve body protection basket (21) is provided with a cavity (22), the side of the float ball (8) is fitted with the inner side of the cavity (22), and the valve body protection basket (21) and the cavity (22) are a unified whole.