A safety valve capable of monitoring inlet pressure and temperature

Abstract

The utility model relates to a kind of safety valve that can monitor import pressure and temperature, including valve main body, valve clapper assembly, the valve main body has valve inlet, valve outlet, the valve clapper assembly is arranged in the valve main body, for opening and closing the valve inlet, the safety valve further include monitoring assembly, the monitoring assembly includes one or more of pressure monitoring component, temperature monitoring component, the pressure monitoring component, temperature monitoring component is arranged in the valve clapper assembly towards the valve inlet side.The monitoring assembly of the utility model can check safety valve import pressure, temperature, make the data of on-line detection more accurate, solve the short board of on-line verification, to realize the rapid verification of safety valve, judge whether the function of safety valve fails, provide basis for on-line detection, improve the production efficiency of customer, monitoring assembly is integrated in valve clapper assembly, structure is simple, pressure measurement is accurate.

Description

Technical Field

[0001] This utility model relates to the field of valve technology, specifically to a safety valve that can monitor inlet pressure and temperature. Background Technology

[0002] Safety valves are special equipment, serving as the last line of defense for safety in installations, pipelines, pressure vessels, and other similar equipment. Therefore, it is crucial to ensure that the set pressure of safety valves meets specifications during normal operation of these devices. Currently, the set pressure of safety valves is mostly checked through periodic calibration (once a year). Periodic calibration includes offline calibration and online calibration. Offline calibration involves removing the valve from the pipeline or equipment and calibrating it on a safety valve calibration bench to verify the set pressure. Online calibration uses an online calibration instrument to verify the safety valve on the pipeline or equipment, thus verifying the set pressure.

[0003] With increasing emphasis on safety and production efficiency, many users require rapid equipment inspection and maintenance, including safety valve calibration. The best way to quickly calibrate safety valves is online calibration, which saves time on disassembly, assembly, and transportation. However, online calibration requires knowledge of the valve inlet pressure, which has traditionally been calculated by the pressure difference between two tests. Summary of the Invention

[0004] The purpose of this invention is to provide a safety valve, particularly a safety valve that can monitor inlet pressure and temperature.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A safety valve capable of monitoring inlet pressure and temperature includes a valve body and a valve disc assembly. The valve body has a valve inlet and a valve outlet. The valve disc assembly is disposed within the valve body and is used to open and close the valve inlet. The safety valve also includes a monitoring component, which includes one or more pressure monitoring components and temperature monitoring components. The pressure monitoring components and temperature monitoring components are disposed on the side of the valve disc assembly facing the valve inlet.

[0007] Preferably, in the above technical solution, the valve disc assembly includes a valve disc, which is installed at the valve inlet. The pressure monitoring component and temperature monitoring component are connected to the valve disc to directly monitor the inlet pressure and temperature of the safety valve.

[0008] More preferably, a groove is formed on the side of the valve disc facing the valve inlet, and the pressure monitoring component and temperature monitoring component are disposed in the groove.

[0009] Preferably, in the above technical solution, the monitoring component further includes a storage module, which is disposed within the valve assembly and connected to the pressure monitoring component and the temperature monitoring component, for receiving and storing the monitoring data from the pressure monitoring component and the temperature monitoring component.

[0010] More preferably, the monitoring component further includes a power supply, which is disposed within the valve assembly and connected to the pressure monitoring component, temperature monitoring component, and storage module, for supplying power to the pressure monitoring component, temperature monitoring component, and storage module.

[0011] More preferably, the valve disc assembly includes a valve disc, the valve disc being disposed at the valve inlet, and the storage module and power supply being disposed inside the valve disc.

[0012] More preferably, the monitoring component further includes a cable, which includes a power line and a signal line. The power line is connected to the power source, and the signal line is connected to the storage module. The cable extends from the valve assembly.

[0013] In a further preferred embodiment, the valve assembly includes a valve disc and a backflush disc, the valve disc is connected below the backflush disc, the storage module and the power supply are disposed inside the valve disc, and cable channels are provided on the valve disc and the backflush disc, and the cable is led out from the cable channels.

[0014] In a further preferred embodiment, the safety valve further includes a valve cover, which is disposed on the valve body. An interface module is provided on the valve cover, and the cable is connected to the interface module.

[0015] In a further preferred embodiment, the interface module includes a power interface and a signal module, wherein the power cable is connected to the power interface and the signal cable is connected to the signal module.

[0016] Due to the application of the above technical solution, this utility model has the following advantages compared with the prior art:

[0017] This invention's monitoring component can check the inlet pressure and temperature of a safety valve, making online monitoring data more accurate and addressing the shortcomings of online calibration. It enables rapid calibration of the safety valve, determining whether its function has failed (e.g., the safety valve fails to open even when the inlet pressure exceeds the set pressure), providing a basis for online monitoring and improving customer production efficiency.

[0018] The monitoring component of this invention is integrated into the valve disc assembly, which has a simple structure and accurate pressure measurement.

[0019] The monitoring component of this invention automatically measures and records data, and can directly transmit the data to the calibrator and computer, thus avoiding human error. Attached Figure Description

[0020] Appendix Figure 1 This is a cross-sectional schematic diagram of a safety valve of a utility model.

[0021] Appendix Figure 2 This is a cross-sectional schematic diagram of the recoil disc and valve disc in the utility model.

[0022] In the attached diagrams above:

[0023] 10. Valve body; 11. Valve seat; 12. Valve inlet; 13. Valve outlet;

[0024] 20. Guide sleeve; 21. Backflush plate; 22. Valve disc; 220. Channel; 221. Cavity; 23. Cable channel;

[0025] 3. Valve cover; 30. Interface module;

[0026] 4. Valve stem;

[0027] 50. Lower elastic seat; 51. Upper elastic seat; 52. Elastic element;

[0028] 70. Adjust the screw; 71. Tighten the nut;

[0029] 8. Protective cover;

[0030] 90. Pressure monitoring component; 91. Temperature monitoring component; 92. Storage module; 93. Power supply; 94. Cable. Detailed Implementation

[0031] The technical solution of this utility model will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0032] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are 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, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0033] like Figure 1 The image shows a safety valve that can monitor inlet pressure and temperature, such as... Figure 1 The safety valve shown includes a valve body, a valve disc assembly, a valve cover 3, a valve stem 4, an elastic component, an adjusting component, and a protective cover. Specifically:

[0034] The valve body includes a valve body 10 and a valve seat 11. The valve seat 11 is mounted on the valve body 10. The openings of the valve body 10 and the valve seat 11 overlap to form a valve inlet 12. The outlet of the valve seat 11 is connected to the outlet of the valve body 10, and the outlet of the valve body 10 forms a valve outlet 13.

[0035] The valve disc assembly includes a guide sleeve 20, a backflush disc 21, and a valve disc 22. The guide sleeve 20 is fixed on the valve body 10. The backflush disc 21 is disposed inside the guide sleeve 20 and can move under the guidance of the guide sleeve 20. The valve disc 22 is connected to the backflush disc 21 and covers the valve inlet 12 to close it during normal operation (the outlet of the valve seat 11).

[0036] The valve cover 3 is placed on the valve body 10. In the figure, the guide sleeve 20 is fixed between the valve body 10 and the valve cover 3.

[0037] The valve stem 4 is located inside the valve cover 3. The lower end of the valve stem 4 cooperates with the valve disc assembly. In the figure, the lower end of the valve stem 4 abuts against the backwash plate 21, and the upper end of the valve stem 4 protrudes out of the valve cover 3.

[0038] The elastic component is housed within the valve cover 3. This component provides the valve stem 4 with an elastic force that causes the valve disc assembly to close the valve body 10. The elastic component includes a lower elastic seat 50, an upper elastic seat 51, and an elastic element 52. The lower and upper elastic seats 50 and 51 are fitted onto the valve stem 4, and the elastic element 52 connects the lower and upper elastic seats 50 and 51. The elastic element 52 can be, for example, a spring. A limiting device is provided at the lower part of the valve stem 4 to fix the lower elastic seat 50.

[0039] The adjusting assembly includes an adjusting screw 70 and a locking nut 71. The adjusting screw 70 is sleeved on the valve stem 4 and threadedly connected to the valve cover 3. The lower end of the adjusting screw 70 extends into the valve cover 3 and abuts against the top of the upper elastic seat 51. The locking nut 71 is screwed onto the adjusting screw 70 to lock the adjusting screw 70 relative to the valve cover 3. During adjustment, by rotating the adjusting screw 70, the threaded connection between the adjusting screw 70 and the valve cover 3 allows the adjusting screw 70 to move up and down relative to the valve cover 3, thereby adjusting the distance between the lower elastic seat 50 and the upper elastic seat 51, thus adjusting the set pressure for valve opening. After adjusting the adjusting screw 70, the locking nut 71 is tightened.

[0040] The protective cover 8 is placed on top of the valve cover 3, covering the upper end of the valve stem 4, the adjusting screw 70, and the locking nut 71.

[0041] In this embodiment: as Figure 1 , 2 As shown, the safety valve also includes a monitoring component, which includes a pressure monitoring unit 90, a temperature monitoring unit 91, a storage module 92, a power supply 93, and cables 94. Specifically:

[0042] The pressure monitoring component 90 and temperature monitoring component 91 can be sensors connected to the side of the valve disc 22 facing the valve inlet 12 to directly monitor the inlet pressure and temperature of the safety valve. In the diagram, a groove 220 is provided on the surface of the valve disc 22 facing the valve inlet 12. The pressure monitoring component 90 and temperature monitoring component 91 are housed within the groove 220 and can be sealed to prevent direct impact from the fluid medium.

[0043] The storage module 92 can be a memory, and it is also located within the valve disc 22. A cavity is formed within the valve disc 22 to house the storage module 92. The storage module 92 is connected to the pressure monitoring component 90 and the temperature monitoring component 91, and is used to receive and store the monitoring data from these components. Alternatively, the pressure monitoring component 90 and the temperature monitoring component 91 can also directly transmit monitoring signals wirelessly, via Bluetooth, or other means.

[0044] The power supply 93 can be a battery, and the power supply 93 is also located inside the valve disc 22. A cavity is opened inside the valve disc 22 to house the power supply 93. The power supply 93 is connected to the pressure monitoring component 90, the temperature monitoring component 91, and the storage module 92, and is used to supply power to the pressure monitoring component 90, the temperature monitoring component 91, and the storage module 92.

[0045] The cable 94 includes a power line and a signal line. The power line is connected to the power supply 93, and the signal line is connected to the storage module 92. The valve disc 22 and the backflush disc 21 have cable channels 23, and the cable 94 is led out from the cable channels 23.

[0046] An interface module 30 is provided on the valve cover 3. Cable 94 is connected to the interface module 30. The interface module 30 includes a power interface and a signal module. The power cable is connected to the power interface, and the signal cable is connected to the signal module. The power interface can periodically replenish power to the power supply 93. If conditions permit, an external solar power generation device can be connected to automatically replenish power to the power supply 93. The signal module can be a Bluetooth module, which is connected to the storage module 92 via a signal cable to transmit signals in real time. When it is necessary to know the inlet pressure and temperature data, it can be retrieved through the Bluetooth module.

[0047] The above embodiments are only for illustrating the technical concept and features of this utility model, and are intended to enable those skilled in the art to understand the content of this utility model and implement it accordingly. They should not be construed as limiting the scope of protection of this utility model. All equivalent changes or modifications made in accordance with the spirit and essence of this utility model should be included within the scope of protection of this utility model.

Claims

1. A safety valve capable of monitoring inlet pressure and temperature, comprising a valve body and a valve disc assembly, wherein the valve body has a valve inlet and a valve outlet, and the valve disc assembly is disposed within the valve body for opening and closing the valve inlet, characterized in that: The safety valve further includes a monitoring component, which includes one or more pressure monitoring components and temperature monitoring components, and the pressure monitoring components and temperature monitoring components are disposed on the side of the valve disc assembly facing the valve inlet.

2. The safety valve of claim 1, wherein: The valve assembly includes a valve disc, which is disposed at the valve inlet, and the pressure monitoring component and temperature monitoring component are connected to the valve disc.

3. The safety valve of claim 2, wherein: A groove is formed on the side of the valve disc facing the valve inlet, and the pressure monitoring component and temperature monitoring component are disposed in the groove.

4. The safety valve of claim 1, wherein: The monitoring component also includes a storage module, which is disposed within the valve assembly and connected to the pressure monitoring component and the temperature monitoring component, for receiving and storing the monitoring data from the pressure monitoring component and the temperature monitoring component.

5. The safety valve of claim 4, wherein: The monitoring component also includes a power supply, which is located within the valve assembly and connected to the pressure monitoring component, temperature monitoring component, and storage module, for supplying power to the pressure monitoring component, temperature monitoring component, and storage module.

6. The safety valve of claim 5, wherein: The valve assembly includes a valve disc, which is disposed at the valve inlet, and the storage module and power supply are disposed inside the valve disc.

7. The safety valve capable of monitoring inlet pressure and temperature according to claim 5, characterized in that: The monitoring component also includes cables, which include power lines and signal lines. The power lines are connected to the power source, and the signal lines are connected to the storage module. The cables are led out from the valve assembly.

8. The safety valve capable of monitoring inlet pressure and temperature according to claim 7, characterized in that: The valve assembly includes a valve disc and a backflush plate. The valve disc is connected below the backflush plate. The storage module and power supply are located inside the valve disc. Cable channels are provided on the valve disc and the backflush plate, and the cables are led out from the cable channels.

9. The safety valve capable of monitoring inlet pressure and temperature according to claim 8, characterized in that: The safety valve also includes a valve cover, which is placed on the valve body. An interface module is provided on the valve cover, and the cable is connected to the interface module.

10. The safety valve capable of monitoring inlet pressure and temperature according to claim 9, characterized in that: The interface module includes a power interface and a signal module. The power cable is connected to the power interface, and the signal cable is connected to the signal module.

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