Manual valve state monitoring system

Abstract

The invention discloses a manual valve state monitoring system, and relates to the technical field of manual valve state monitoring. A manual valve state monitoring system is used for monitoring a valve rod, the manual valve state monitoring system comprises a data acquisition unit connected with the valve rod so as to collect motion data of the valve rod through the data acquisition unit; the system further comprises a monitoring terminal, and the monitoring terminal is in signal connection with the data acquisition unit so as to receive the motion data collected by the data acquisition unit and output the working state of the valve rod according to the received signals of the data acquisition unit. According to the application, monitoring and data mastering can be conveniently carried out on each state of the manual valve.

Description

Technical Field

[0001] The present application relates to the technical field of manual valve status monitoring, and in particular to a manual valve status monitoring system. Background Art

[0002] The valve is a control component in the pipeline fluid transportation system. It is a key device used to change the cross-section of the passage and the flow direction of the medium. It has the functions of diversion, cut-off, regulation, throttling, check, diversion or overflow pressure relief. At present, there are many types of valves used for fluid control in industry. The valves cover different types from instrument valves with extremely small nominal diameters to industrial pipeline valves with a diameter of up to 10m. However, no matter what type of valve, it can generally act according to predetermined requirements under the action of pressure, temperature or other forms of sensor signals, or simply open or close without relying on sensor signals. The valve can rely on a drive or automatic mechanism to make the opening and closing parts move up and down, slide, swing or rotate, thereby changing the size of its flow area to achieve its control function.

[0003] Since valves have a wide range of applications and their technology was started earlier, a large number of relatively backward manual valves are deployed in various application scenarios such as metallurgy, water conservancy, and thermal power. These valves are generally equipped with a rotating shaft mechanism, which is manually operated to complete the action when opening and closing is required. Specifically, the rotating shaft mechanism usually includes an opening and closing member for opening and closing, a valve seat for bearing pressure and preventing leakage, a valve seat for cooperating with the opening and closing member, a valve stem connected to the opening and closing member for controlling it, and a handwheel connected to the valve stem for manual operation.

[0004] How to realize working status monitoring and data acquisition of manual valves in various application scenarios based on the structure of the above-mentioned rotating shaft mechanism has become an urgent problem to be solved by technicians in this field. Summary of the invention

[0005] In order to facilitate the monitoring and data acquisition of the working status of a manual valve, the present application provides a manual valve status monitoring system.

[0006] The manual valve status monitoring system provided in this application adopts the following technical solution: A manual valve state monitoring system, the manual valve state monitoring system is used to monitor a valve stem, the manual valve state monitoring system comprises: A data acquisition unit, the data acquisition unit is connected to the valve stem so as to collect movement data of the valve stem through the data acquisition unit; The monitoring terminal is connected to the data acquisition unit by signal to receive the motion data collected by the data acquisition unit and output the working state of the valve stem according to the signal received from the data acquisition unit. The present application can facilitate monitoring and data acquisition of the working state of the manual valve.

[0007] By adopting the above technical solution, the movement data of the valve stem can be collected by the data acquisition unit and then summarized and fed back to the monitoring terminal. After receiving the signal, the monitoring terminal can output the working status of the valve stem.

[0008] Preferably, the data acquisition unit comprises a first sensor for detecting the rotation angle of the valve stem and is signal-connected to the monitoring terminal to transmit the detected rotation angle of the valve stem to the monitoring terminal.

[0009] By adopting the above technical solution, the first sensor can detect the rotation angle of the valve stem, and the monitoring terminal can determine the opening and closing status of the manual valve based on the rotation angle of the valve stem.

[0010] Preferably, the first sensor includes any one of the following: Resistive sensors; Capacitive sensors; Angle sensor.

[0011] By adopting the above technical solution, the above sensor can directly detect the rotation angle of the valve stem more accurately.

[0012] Preferably, the data acquisition unit further comprises a second sensor for recording the number of rotations of the valve stem and is signal-connected to the monitoring terminal to transmit the recorded number of rotations of the valve stem to the monitoring terminal.

[0013] By adopting the above technical solution, the second sensor can record the number of rotations of the valve stem, and the monitoring terminal can determine the remaining service life of the manual valve based on the number of rotations of the valve stem.

[0014] Preferably, the data acquisition unit further comprises a detection module for recording the time when the valve stem has most recently rotated, and is signal-connected to the monitoring terminal to transmit the recorded time when the valve stem has most recently rotated to the monitoring terminal.

[0015] By adopting the above technical solution, the detection module can record the time when the valve stem was most recently rotated, and the monitoring terminal can determine the usage interval of the manual valve based on the time when the valve stem was most recently rotated. If the manual valve is used for a long time, the user needs to go for maintenance.

[0016] Preferably, the first sensor, the second sensor, the detection module and the monitoring terminal are separately arranged, and the first sensor, the second sensor and the detection module are all connected to the monitoring terminal via wires.

[0017] By adopting the above technical solution, it is possible to easily install the first sensor, the second sensor, and the detection module on the manual valve.

[0018] Preferably, the monitoring terminal includes a microprocessor, a wireless signal transmitting device, a wireless signal receiving device and a host computer. The microprocessor processes and calculates the data collected by the data acquisition unit, and transmits the processing results to the wireless signal receiving device via the wireless signal transmitting device, and then the host computer manages and controls the data.

[0019] By adopting the above technical solution, based on the microprocessor, the wireless signal transmitting device, the wireless signal receiving device and the host computer, it is possible to conveniently perform statistics and analysis on the motion data showing the working status of the valve stem.

[0020] Preferably, the movement data of the valve stem includes the rotation angle, rotation times, and the time of the most recent rotation of the valve stem; the manual valve state monitoring system also includes: The display terminal is connected to the monitoring terminal signal so as to display the rotation angle, rotation number and the time of the most recent rotation output by the monitoring terminal through the display terminal.

[0021] By adopting the above technical solution, the display terminal can be used to conveniently display relevant data such as the rotation angle, the number of rotations, the time of the most recent rotation output by the monitoring terminal.

[0022] Preferably, the host computer includes a reminder module, wherein: The reminder module is used to send a reminder message to the display terminal when the rotation angle of the valve stem does not reach the rated value.

[0023] By adopting the above technical solution, when the rotation angle of the valve stem does not reach the rated size, that is, the opening / closing of the manual valve does not meet the rated requirements, the reminder module can send a signal to the display terminal to remind the user.

[0024] In summary, the present invention includes at least one of the following beneficial technical effects: 1. The data acquisition unit can be used to collect the movement data of the valve stem and then summarize and feed back to the monitoring terminal. After receiving the signal, the monitoring terminal can output the working status of the valve stem; 2. Based on the first sensor being able to detect the rotation angle of the valve stem, the monitoring terminal can determine the opening and closing status of the manual valve based on the rotation angle of the valve stem; based on the second sensor being able to record the number of rotations of the valve stem, the monitoring terminal can determine the remaining service life of the manual valve based on the number of rotations of the valve stem; based on the detection module being able to record the time of the most recent rotation of the valve stem, the monitoring terminal can determine the use interval of the manual valve based on the time of the most recent rotation of the valve stem. If the use interval of the manual valve is long, the user needs to go for maintenance; in addition, the display terminal can facilitate the display of relevant data such as the rotation angle, number of rotations, and time of the most recent rotation of the valve stem; 3. When the rotation angle of the valve stem does not reach the rated size, that is, the opening / closing of the manual valve does not reach the rated requirement, the reminder module can send a signal to the display terminal to remind the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of installing a data acquisition unit on a manual valve in an embodiment of the present application; Figure 2 It is a schematic diagram used to reflect the connection relationship between the data acquisition unit and the monitoring terminal.

[0026] Markings in the attached drawings: 1. valve stem; 2. data acquisition unit; 21. first sensor; 22. second sensor; 23. detection module; 3. monitoring terminal; 4. display terminal. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0028] The terms "first", "second", etc. in the specification of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are usually a class, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0029] The embodiment of the present application discloses a manual valve status monitoring system. It is used to monitor the working status of the manual valve and grasp the relevant data about the manual valve, wherein the relevant data of the manual valve, such as the opening and closing status of the manual valve, the number of times the manual valve is used, and the time when the manual valve was last operated, refer to Figure 1 In this embodiment, the monitoring of the valve stem 1 of the stop valve is taken as an example.

[0030] Reference Figure 1 and Figure 2 The manual valve status monitoring system includes a data acquisition unit 2 and a monitoring terminal 3. The data acquisition unit 2 is connected to the valve stem 1. In this application, the motion data of the valve stem 1 is collected by the data acquisition unit 2. The monitoring terminal 3 is connected to the data acquisition unit 2 by signal. The monitoring terminal 3 can receive the motion data collected by the data acquisition unit 2 and output the working status of the valve stem 1 according to the signal received from the data acquisition unit 2.

[0031] Among them, based on the fact that the data acquisition unit 2 can collect the rotation angle, rotation number and the time of the most recent rotation of the valve stem 1, the monitoring terminal 3 will receive these data to determine the opening and closing status of the manual valve, the number of times the manual valve is used, and the time of the most recent operation of the manual valve.

[0032] Reference Figure 1 and Figure 2 The data acquisition unit 2 includes a first sensor 21, a second sensor 22 and a detection module 23; wherein the first sensor 21 is used to detect the rotation angle of the valve stem 1, the first sensor 21 is connected to the monitoring terminal 3 by signal, and the first sensor 21 can transmit the detected rotation angle of the valve stem 1 to the monitoring terminal 3; the second sensor 22 is used to record the number of rotations of the valve stem 1, the second sensor 22 is also connected to the monitoring terminal 3 by signal, and the second sensor 22 can transmit the recorded number of rotations of the valve stem 1 to the monitoring terminal 3; the detection module 23 is used to record the time when the valve stem 1 was most recently rotated, the detection module 23 is also connected to the monitoring terminal 3 by signal, and the detection module 23 can transmit the recorded time when the valve stem 1 was most recently rotated to the monitoring terminal 3.

[0033] Reference Figure 1 and Figure 2Specifically, the first sensor 21 can be any one of the following: a resistive sensor, a capacitive sensor and an angle sensor; a resistive sensor measures the rotation angle by the change of resistance value, which is suitable for applications requiring high sensitivity and customizability. A capacitive sensor is a conversion device that uses various types of capacitors as sensing elements, and converts the measured physical quantity or mechanical quantity into a capacitance change. The angle sensor realizes angle measurement based on electromagnetic induction. Any of the above-mentioned types of sensors can detect the rotation angle of the valve stem 1 more accurately. In the present embodiment, the first sensor 21 is an angle sensor. In addition, the angle sensor can detect the obtained rotation angle of the valve stem 1 so as to determine the opening of the manual valve. The opening size of the manual valve will affect the flow rate through it.

[0034] Reference Figure 1 and Figure 2 Specifically, the second sensor 22 can be an image sensor, a capacitive sensor or an inductive sensor. The image sensor can be a camera. When the second sensor 22 is an image sensor, if the valve stem 1 can present different surface structure styles when the manual valve is opened and closed, the opening of the manual valve can be determined by installing the camera on one side of the valve stem 1 to take pictures. However, if the surface structure style of the valve stem 1 as a whole is consistent no matter which angle it is rotated to, it is necessary to add a marker to the valve stem 1 to cooperate with the camera for photo detection. In addition, since the inductive sensor requires that the monitored object is a conductor, the inductive sensor can be applied when the valve stem 1 is a conductor. The capacitive sensor has no requirements on the material of the monitored object, so the capacitive sensor can be used as a general alternative. Of course, a device such as a counter can be used in conjunction with the second sensor 22. In this embodiment, the second sensor 22 is an image sensor. After detecting the number of rotations of the valve stem 1, the second sensor 22 can calculate the remaining service life of the manual valve according to the number of rotations.

[0035] When installing the sensor, different types of manual valves should be based on the characteristics of the above-mentioned types of sensors to select appropriate sensors to improve detection precision and accuracy. For example, image sensors are easily affected by external factors such as sunlight, dirt, dim light, and dust accumulation, so the actual working environment needs to be considered when selecting image sensors. Capacitive sensors are highly sensitive and relatively more convenient to install and debug, and are suitable for environments that require quick installation. Inductive sensors require the outer shell of the valve stem 1 to be made of metal or have built-in metal materials to meet usage requirements.

[0036] Reference Figure 1 and Figure 2Specifically, the detection module 23 can be used in conjunction with a detection element capable of detecting the movement of the valve stem 1 and a counter. The counter is connected to the detection element and connected to the monitoring terminal 3. The detection element can be a capacitive sensor. In this embodiment, the counter can determine the time when the valve stem 1 rotates most recently based on the detection of the second sensor 22. Based on the record of the time when the valve stem 1 rotated most recently, the use interval of the manual valve can be calculated. If the use interval of the manual valve is long, the user needs to go to perform maintenance.

[0037] Reference Figure 1 and Figure 2 In order to facilitate the setting of the first sensor 21, the second sensor 22, the detection module 23 and the monitoring terminal 3, the first sensor 21, the second sensor 22, the detection module 23 and the monitoring terminal 3 are separately set, and the first sensor 21, the second sensor 22 and the detection module 23 are all connected to the monitoring terminal 3 through wires.

[0038] Reference Figure 1 and Figure 2 The monitoring terminal 3 includes a microprocessor, a wireless signal transmitting device, a wireless signal receiving device and a host computer. The microprocessor processes and calculates the data collected by the data acquisition unit 2, and transmits the processing result to the wireless signal receiving device via the wireless signal transmitting device, and then the host computer manages and controls the data. The specific processing logic is the existing technology and will not be repeated here.

[0039] Reference Figure 1 and Figure 2 The host computer includes a reminder module, wherein the reminder module is used to send a reminder message to the display terminal 4 when the rotation angle of the valve stem 1 does not reach the rated value. When the rotation angle of the valve stem 1 does not reach the rated value, that is, the opening / closing of the manual valve does not meet the rated requirements, for example, the opening and closing of the manual valve is blocked by foreign matter, the reminder module can send a signal to the display terminal 4 to remind the user to rotate the valve stem 1 to adjust the opening of the manual valve or to clean and repair it.

[0040] Reference Figure 1 and Figure 2 The manual valve status monitoring system also includes a display terminal 4, which is connected to the monitoring terminal 3 by signal. The display terminal 4 displays the rotation angle, rotation number and the time of the most recent rotation output by the monitoring terminal 3, so that the user can observe and determine whether the opening and closing of the manual valve is normal, whether the service life of the manual valve has reached the limit and needs to be replaced, and whether the user needs to perform maintenance.

[0041] The implementation principle of the manual valve status monitoring system in the embodiment of the present application is: Based on the rotation angle of the valve stem 1 detected by the first sensor 21, the monitoring terminal 3 determines the opening and closing status of the manual valve based on the rotation angle of the valve stem 1; based on the number of rotations of the valve stem 1 recorded by the second sensor 22, the monitoring terminal 3 determines the remaining service life of the manual valve based on the number of rotations of the valve stem 1; based on the time when the most recent rotation of the valve stem 1 is recorded by the detection module 23, the monitoring terminal 3 determines the usage interval of the manual valve based on the time when the most recent rotation of the valve stem 1 occurs; based on the data fed back to the monitoring terminal 3 by the above-mentioned first sensor 21, the second sensor 22 and the detection module 23 and finally displayed on the display terminal 4, it is determined whether the opening and closing of the manual valve is normal, whether the service life of the manual valve has reached the limit and needs to be replaced, and whether the user needs to perform maintenance.

[0042] The embodiments of this specific implementation method are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore, all equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A manual valve status monitoring system, characterized in that: The manual valve state monitoring system is used to monitor the valve stem (1), and the manual valve state monitoring system comprises: A data acquisition unit (2), the data acquisition unit (2) being connected to the valve stem (1) so as to collect movement data of the valve stem (1) through the data acquisition unit (2); A monitoring terminal (3), wherein the monitoring terminal (3) is connected to the data acquisition unit (2) by signal so as to receive the motion data collected by the data acquisition unit (2) and output the working state of the valve stem (1) according to the signal received from the data acquisition unit (2).

2. The manual valve status monitoring system according to claim 1, characterized in that: The data acquisition unit (2) comprises a first sensor (21) for detecting the rotation angle of the valve stem (1) and is connected to the monitoring terminal (3) by signal so as to transmit the detected rotation angle of the valve stem (1) to the monitoring terminal (3).

3. The manual valve status monitoring system according to claim 2, characterized in that: The first sensor (21) includes any one of the following: Resistive sensors; Capacitive sensors; Angle sensor.

4. The manual valve status monitoring system according to claim 2, characterized in that: The data acquisition unit (2) further comprises a second sensor (22) for recording the number of rotations of the valve stem (1) and being connected to the monitoring terminal (3) by signal so as to transmit the recorded number of rotations of the valve stem (1) to the monitoring terminal (3).

5. The manual valve status monitoring system according to claim 4, characterized in that: The data acquisition unit (2) also includes a detection module (23) for recording the time when the valve stem (1) has last rotated, and is connected to the monitoring terminal (3) by signal so as to transmit the recorded time when the valve stem (1) has last rotated to the monitoring terminal (3).

6. The manual valve status monitoring system according to claim 5, characterized in that: The first sensor (21), the second sensor (22), the detection module (23) and the monitoring terminal (3) are arranged in a separate manner, and the first sensor (21), the second sensor (22) and the detection module (23) are all connected to the monitoring terminal (3) via wires.

7. The manual valve status monitoring system according to claim 1, characterized in that: The monitoring terminal (3) comprises a microprocessor, a wireless signal transmitting device, a wireless signal receiving device and a host computer. The microprocessor processes and calculates the data collected by the data collection unit (2), and transmits the processing result to the wireless signal receiving device via the wireless signal transmitting device, and then performs data management and control via the host computer.

8. The manual valve status monitoring system according to claim 7, characterized in that: The movement data of the valve stem (1) includes the rotation angle, rotation times, and the time when the most recent rotation of the valve stem (1) occurred; the manual valve state monitoring system also includes: The display terminal (4) is connected to the monitoring terminal (3) by signal so as to display the rotation angle, rotation number and the time of the most recent rotation output by the monitoring terminal (3) through the display terminal (4).

9. The manual valve status monitoring system according to claim 8, characterized in that: The host computer includes a reminder module, wherein: The reminder module is used to send a reminder message to the display terminal (4) when the rotation angle of the valve stem (1) does not reach a rated value.

Images