Information acquisition device of power station valve

Abstract

The utility model discloses an information acquisition device of a power station valve, which comprises a power station valve main body, a first detection device and a second detection device, a valve control device is arranged above the power station valve main body, and a control connecting block is arranged between the power station valve main body and the valve control device. The top of the valve control device is provided with a valve switch, one side of the valve control device is connected with a valve motor, the two sides of the power station valve body are connected with a water inlet pipe and a water outlet pipe correspondingly, the first detection equipment is connected to the water inlet pipe, and the first detection equipment is connected with an information collection host. The second detection equipment is arranged on the side, away from the power station valve body, of the first detection equipment, a flow meter is arranged on the second detection equipment, information at the position of the valve can be monitored in real time, the collected information can be collected and processed, and the valve can be manually or electrically driven to be opened and closed.

Description

Technical Field

[0001] The utility model relates to the technical field of power station valves, in particular to an information collection device for power station valves. Background Art

[0002] Power station valves are mainly used in pipelines of various systems in thermal power plants to cut off or connect pipeline media. Applicable media: non-corrosive media such as water and steam. Compared with other valve products, power station valves are characterized by high temperature and high pressure and unique self-sealing design. The higher the pressure, the more reliable the seal.

[0003] The patent with application number CN202211151918.7 retrieved proposes a detachable power station valve with a simple structure and easy single-person operation, thereby reducing labor costs while improving its installation efficiency and increasing the user experience.

[0004] Similar to the above-mentioned detachable power station valve, although it has a simple structure and is easy for one person to operate, thereby reducing labor costs while improving its installation efficiency and increasing the user experience, it can only control the disconnection or connection of the pipeline, and cannot detect various data in the pipeline, and it cannot control the opening and closing of the valve manually or electrically.

[0005] Therefore, in view of this, the existing structure and defects are studied and improved, and an information collection device for power station valves is proposed, in order to achieve a more practical purpose. Utility Model Content

[0006] The purpose of the utility model is to provide an information collection device for power station valves to solve the problem that a detachable power station valve in the above background can only control the disconnection or connection of a pipeline, cannot detect various data in the pipeline, and cannot control the opening and closing of the valve manually or electrically.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an information collection device for a power station valve, comprising a power station valve body, a No. 1 detection device and a No. 2 detection device, a valve control device is arranged above the power station valve body, and a control connection block is arranged between the power station valve body and the valve control device, a valve switch is arranged on the top of the valve control device, and a valve motor is connected to one side of the valve control device, an inlet pipe and an outlet pipe are respectively connected to the two sides of the power station valve body, and the No. 1 detection device is connected to the water inlet pipe, and the No. 1 detection device is connected to an information collection host, the No. 2 detection device is arranged on the side of the No. 1 detection device away from the power station valve body, and a flow meter is arranged on the No. 2 detection device.

[0008] Preferably, a valve core is provided inside the power station valve body, and a connecting rod is connected to the top of the valve core, a lifting threaded rod is connected to the top of the connecting rod, and the lifting threaded rod is connected to the control connection block and the valve control device.

[0009] Preferably, a No. 1 connecting bearing is provided at the connection between the connecting rod and the lifting threaded rod, a connecting sleeve is provided at the connection between the valve control device and the valve switch, and a connecting nut is provided at the bottom of the connecting sleeve.

[0010] Preferably, a first umbrella gear is connected below the connecting nut, an output shaft is connected to one side of the valve motor, and a second umbrella gear is connected to the end of the output shaft away from the valve motor, and the first umbrella gear and the second umbrella gear are meshed with each other.

[0011] Preferably, a liquid level meter and a temperature detection probe are provided inside the No. 1 detection equipment, a displacement sensor is provided inside the power station valve body, and a No. 1 information transmission line is connected between the displacement sensor and the information acquisition host, and a No. 1 information transmission line is connected between the flow meter and the information acquisition host.

[0012] Compared with the prior art, the utility model has the following beneficial effects: it can monitor the information at the valve in real time, collect and process the collected information, and open and close the valve manually or electrically according to the collected information. The specific contents are as follows:

[0013] When the valve control device is manually controlled, the opening and closing of the valve control device is controlled by rotating the valve switch, the valve switch drives the connecting sleeve to rotate, and in the process of the connecting sleeve rotating, drives the connecting nut to rotate, and in the process of the connecting nut rotating, the lifting threaded rod moves up and down in the connecting sleeve, and in the process of the lifting threaded rod moving up and down, drives the connecting rod to move up and down, and the connecting rod drives the valve core to move up and down, thereby controlling the opening and closing of the power station valve body, and the displacement sensor can be used to detect the displacement action of the connecting rod to determine whether the valve core is completely closed, and when the valve control device is opened and closed by electric control, the output shaft is driven to rotate by the valve motor, and the second umbrella gear is driven to rotate by the output shaft, and the first umbrella gear is driven to rotate by the second umbrella gear, thereby driving the rotation of the connecting sleeve, the information of the flow meter is transmitted to the information collection host through the first information transmission line, and the data detected by the liquid level meter and the temperature detection probe are transmitted to the information collection host, and the displacement sensor transmits the valve information to the information collection host through the second information transmission line, thereby collecting information of various media in real time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1This is a schematic structural diagram of the main body of an information collection device for power station valves of the utility model;

[0015] Figure 2 It is a schematic structural diagram of the side section of the main body of an information collection device for power station valves of the utility model;

[0016] Figure 3 It is a schematic structural diagram of a side section of a valve control device of an information collection device for power station valves according to the utility model;

[0017] Figure 4 This is a schematic structural diagram of the side section of a detection device No. 1 of an information collection device for power station valves of the utility model.

[0018] In the figure: 1. Power station valve body; 11. Water inlet pipe; 12. Water outlet pipe; 13. Valve core; 2. Valve control device; 21. Valve switch; 22. Control connection block; 221. Connecting nut; 222. No. 1 umbrella gear; 23. Lifting threaded rod; 231. No. 1 connecting bearing; 24. Connecting rod; 25. Displacement sensor; 26. Connecting sleeve; 3. Valve motor; 31. Output shaft; 32. No. 2 umbrella gear; 4. No. 2 detection equipment; 41. Flow meter; 42. No. 1 information transmission line; 5. No. 1 detection equipment; 51. Information acquisition host; 52. Liquid level meter; 53. Temperature detection probe; 54. No. 2 information transmission line. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figures 1 to 4 The utility model provides a technical solution: an information collection device for a power station valve, comprising a power station valve body 1, a No. 1 detection device 5 and a No. 2 detection device 4, a valve control device 2 is arranged above the power station valve body 1, and a control connection block 22 is arranged between the power station valve body 1 and the valve control device 2, a valve switch 21 is arranged on the top of the valve control device 2, and a valve motor 3 is connected to one side of the valve control device 2, a water inlet pipe 11 and a water outlet pipe 12 are respectively connected to both sides of the power station valve body 1, and the No. 1 detection device 5 is connected to the water inlet pipe 11, and the No. 1 detection device 5 is connected to an information collection host 51, the No. 2 detection device 4 is arranged on the side of the No. 1 detection device 5 away from the power station valve body 1, and the No. 2 detection device 4 is provided with a flow meter 41.

[0021] Water, steam and other media enter the power station valve body 1 through the water inlet pipe 11 and are discharged from the power station valve body 1 through the water outlet pipe 12. The power station valve body 1 is controlled to open and close by the valve control device 2, and the valve control device 2 can control the opening and closing through the valve switch 21 or the valve motor 3. The No. 1 detection device 5 and the No. 2 detection device 4 are both connected to the water inlet pipe 11, and the No. 1 detection device 5 and the No. 2 detection device 4 are used to detect the medium information before entering the power station valve body 1, and the No. 2 detection device 4 detects the flow of the water inlet pipe 11 through the flow meter 41, and the information acquisition host 51 is used to collect various information.

[0022] A valve core 13 is provided inside the power station valve body 1, and a connecting rod 24 is connected to the top of the valve core 13, a lifting threaded rod 23 is connected to the top of the connecting rod 24, and the lifting threaded rod 23 is connected to the control connection block 22 and the valve control device 2, a No. 1 connecting bearing 232 is provided at the connection between the connecting rod 24 and the lifting threaded rod 23, a connecting sleeve 26 is provided at the connection between the valve control device 2 and the valve switch 21, and a connecting nut 221 is provided at the bottom of the connecting sleeve 26, and a No. 1 bevel gear 222 is connected below the connecting nut 221, an output shaft 31 is connected to one side of the valve motor 3, and a No. 2 bevel gear 32 is connected to the end of the output shaft 31 away from the valve motor 3, the No. 1 bevel gear 222 and the No. 2 bevel gear 32 are meshed with each other, and when the valve control device 2 is manually controlled, the valve control device 2 is controlled by rotating the valve switch 21. For opening and closing, the valve switch 21 drives the connecting sleeve 26 to rotate, and during the rotation of the connecting sleeve 26, drives the connecting nut 221 to rotate, and during the rotation of the connecting nut 221, the lifting threaded rod 23 moves up and down in the connecting sleeve 26, and during the up and down movement of the lifting threaded rod 23, drives the connecting rod 24 to move up and down, and through the No. 1 connecting bearing 232, the connecting rod 24 will not rotate during the movement, and the connecting rod 24 drives the valve core 13 to move up and down, thereby controlling the opening and closing of the power station valve body 1. When the valve control device 2 is electrically controlled for opening and closing, the output shaft 31 is driven to rotate by the valve motor 3, and the No. 2 bevel gear 32 is driven to rotate by the output shaft 31, and the No. 1 bevel gear 222 is driven to rotate by the No. 2 bevel gear 32, thereby driving the rotation of the connecting sleeve 26.

[0023] The first detection device 5 is provided with a liquid level meter 52 and a temperature detection probe 53 inside, the power station valve body 1 is provided with a displacement sensor 25 inside, and a second information transmission line 54 is connected between the displacement sensor 51 and the information acquisition host 51, and a first information transmission line 42 is connected between the flow meter 41 and the information acquisition host 51. The first detection device 5 detects the water level in the water inlet pipe 11 through the liquid level meter 52, and the liquid level meter 52 is a submersible liquid level transmitter of model SNK-P300, and the temperature detection probe 53 is used to detect the water level in the water inlet pipe 11. The water temperature in the water pipe 11, and the displacement sensor 25 is used to detect the displacement movement of the connecting rod 24, so as to determine whether the valve core 13 is completely closed. The displacement sensor 25 is an infrared photocoupler sensor of model KE3-TN54, and the displacement sensor 25 transmits the valve information to the information acquisition host 51 through the No. 2 information transmission line 54, and the data detected by the liquid level meter 52 and the temperature detection probe 53 are all transmitted to the information acquisition host 51, and the information of the flow meter 41 is transmitted to the information acquisition host 51 through the No. 1 information transmission line 42.

[0024] Working principle: When using an information collection device for a power station valve, first, a medium such as water or steam enters the power station valve body 1 through the water inlet pipe 11, and is discharged from the power station valve body 1 through the water outlet pipe 12. When the medium passes through the No. 2 detection device 4 on the water inlet pipe 11, the flow rate of the water inlet pipe 11 is detected by the flow meter 41, and then the opening and closing status of the power station valve body 1 is judged by whether the medium is flowing. When the medium passes through the No. 1 detection device 5 on the water inlet pipe 11, the water level height in the water inlet pipe 11 is detected by the liquid level meter 52, and the water temperature in the water inlet pipe 11 is detected by the temperature detection probe 53, thereby determining the water level and temperature information of the medium.

[0025] When the valve control device 2 is manually controlled, the opening and closing of the valve control device 2 is controlled by rotating the valve switch 21, and the valve switch 21 drives the connecting sleeve 26 to rotate, and during the rotation of the connecting sleeve 26, drives the connecting nut 221 to rotate, and during the rotation of the connecting nut 221, the lifting threaded rod 23 moves up and down in the connecting sleeve 26, and during the up and down movement of the lifting threaded rod 23, the connecting rod 24 is driven to move up and down, and the connecting rod 24 drives the valve core 13 to move up and down, thereby controlling the opening and closing of the power station valve body 1, and the displacement sensor 25 can be used to detect the displacement movement of the connecting rod 24, so as to determine whether the valve core 13 is completely closed.

[0026] When the valve control device 2 is opened and closed by the electric control, the output shaft 31 is driven to rotate by the valve motor 3, and the second bevel gear 32 is driven to rotate by the output shaft 31, and the first bevel gear 222 is driven to rotate by the second bevel gear 32, thereby driving the rotation of the connecting sleeve 26, and the information of the flow meter 41 is transmitted to the information acquisition host 51 through the first information transmission line 42, and the data detected by the liquid level meter 52 and the temperature detection probe 53 are all transmitted to the information acquisition host 51, and the displacement sensor 25 transmits the valve information to the information acquisition host 51 through the second information transmission line 54, thereby collecting information of various media in real time.

Claims

1. An information collection device for a power station valve, comprising a power station valve body (1), a first detection device (5) and a second detection device (4), characterized in that: A valve control device (2) is arranged above the power station valve body (1), and a control connection block (22) is arranged between the power station valve body (1) and the valve control device (2), a valve switch (21) is arranged on the top of the valve control device (2), and a valve motor (3) is connected to one side of the valve control device (2), and a water inlet pipe (11) and a water outlet pipe (12) are respectively connected to the two sides of the power station valve body (1), and the No. 1 detection device (5) is connected to the water inlet pipe (11), and the No. 1 detection device (5) is connected to the water inlet pipe (11). ) is connected to an information collection host (51), the No. 2 detection device (4) is arranged on a side of the No. 1 detection device (5) away from the power station valve body (1), and the No. 2 detection device (4) is provided with a flow meter (41), a valve core (13) is arranged inside the power station valve body (1), and a connecting rod (24) is connected to the top of the valve core (13), and a lifting threaded rod (23) is connected to the top of the connecting rod (24), and the lifting threaded rod (23) is connected to the control connection block (22) and the valve control device (2).

2. The information collection device for power station valves according to claim 1 is characterized in that: A No. 1 connecting bearing (231) is provided at the connection point between the connecting rod (24) and the lifting threaded rod (23), a connecting sleeve (26) is provided at the connection point between the valve control device (2) and the valve switch (21), and a connecting nut (221) is provided at the bottom of the connecting sleeve (26).

3. The information collection device for power station valves according to claim 2 is characterized in that: A first bevel gear (222) is connected below the connecting nut (221), an output shaft (31) is connected to one side of the valve motor (3), and a second bevel gear (32) is connected to an end of the output shaft (31) away from the valve motor (3), and the first bevel gear (222) and the second bevel gear (32) are meshed with each other.

4. The information collection device for power station valves according to claim 1 is characterized in that: The first detection device (5) is provided with a liquid level meter (52) and a temperature detection probe (53) inside, the power station valve body (1) is provided with a displacement sensor (25) inside, and a second information transmission line (54) is connected between the displacement sensor (25) and the information collection host (51), and a first information transmission line (42) is connected between the flow meter (41) and the information collection host (51).

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