Natural gas valve structure

Abstract

The utility model belongs to the technical field of natural gas conveying equipment, and discloses a natural gas valve structure which comprises a valve body, a valve element, a driving mechanism, a storage battery and a solar panel. One end of the channel is an air inlet, and the other end of the channel is an air outlet; a connecting shaft is arranged in the channel, and the valve element is fixedly arranged on the connecting shaft in a penetrating mode. The output end of the driving mechanism is connected to the connecting shaft, and the driving mechanism can drive the valve element to be blocked between the air inlet and the air outlet. The output end of the storage battery is connected to the driving mechanism; the solar panel is connected to the input end of the storage battery, and the solar panel is configured to convert light energy into electric energy. The storage battery and the solar panel are matched with each other, so that the requirement of the natural gas valve structure for energy supply is reduced, and the reliability is higher under the condition of extreme weather or power shortage; the valve body, the valve element and the driving mechanism are matched with one another, so that communication or interruption of natural gas in a channel is controlled, the structure is simple, and faults are not prone to occurring.

Description

TECHNICAL FIELD

[0001] The utility model relates to natural gas conveying equipment technical field especially relates to a natural gas valve structure. BACKGROUND

[0002] Remote mountainous area power grid coverage is not complete and power supply is unstable, leading to insufficient power supply of intelligent valve and other equipment, affecting its operation. In winter, the valve is easy to freeze and fail, affecting the operation of the fluid system; unstable flow control or low precision will cause resource waste, low efficiency and other problems; the pressure monitoring system is not sensitive or the alarm is unreliable, so it is difficult to discover pressure abnormalities in time, increasing the risk of safety accidents.

[0003] In view of the above problems, the existing natural gas valve structure is provided with pressure sensor, flow sensor and other monitoring devices to realize real-time information monitoring. However, the existing natural gas valve structure still has defects, and the increase of monitoring devices also leads to the increase of power demand, especially in remote mountainous areas where power supply fluctuates, the stability of natural gas valve operation still needs to be improved. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a natural gas valve structure which can still work normally when there is power shortage.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] The natural gas valve structure comprises:

[0007] A valve body is provided with a channel, one end of the channel is an air inlet, and the other end is an air outlet;

[0008] A valve core is provided with a connecting shaft in the channel, and the valve core is fixedly connected to the connecting shaft;

[0009] A driving mechanism is connected to the connecting shaft at the output end, and the driving mechanism can drive the valve core to block between the air inlet and the air outlet;

[0010] A storage battery is connected to the driving mechanism at the output end;

[0011] A solar panel is connected to the input end of the storage battery, and the solar panel is configured to convert light energy into electrical energy.

[0012] As a preferred, the driving mechanism can drive the connecting shaft to extend into or out of the channel;

[0013] Alternatively, the driving mechanism can drive the connecting shaft to rotate.

[0014] As a preferred, it further comprises:

[0015] A pressure monitoring mechanism is fixedly arranged on the inner wall of the channel, and is configured to measure the pressure value in the channel.

[0016] A control mechanism is communicatively connected to the pressure monitoring mechanism and the driving mechanism, and is capable of turning on and off the driving mechanism.

[0017] Preferably, the pressure monitoring mechanism is provided with two, one is arranged between the valve core and the air inlet, and the other is arranged between the valve core and the air outlet.

[0018] Preferably, a temperature monitoring mechanism is further included, which is fixedly arranged on the inner wall of the channel, and is capable of measuring the temperature in the channel, and is communicatively connected to the control mechanism.

[0019] Preferably, the temperature monitoring mechanism is provided with two, one is arranged between the valve core and the air inlet, and the other is arranged between the valve core and the air outlet.

[0020] Preferably, a flow monitoring mechanism is further included, which is fixedly arranged on the inner wall of the channel, and is capable of measuring the flow value in unit time in the channel, and is communicatively connected to the control mechanism.

[0021] Preferably, the flow monitoring mechanism is provided with two, one is arranged between the valve core and the air inlet, and the other is arranged between the valve core and the air outlet.

[0022] Preferably, an alarm device is further included, which is communicatively connected to the control mechanism.

[0023] Preferably, a heating device is further included, which is arranged on the outer wall of the valve body, and is communicatively connected to the control mechanism.

[0024] The natural gas valve structure has the advantages that:

[0025] The battery and the solar panel cooperate with each other, the solar panel can convert light energy into electric energy and store it in the battery, reduces the demand of the natural gas valve structure on energy supply, and is more reliable in the case of extreme weather or power shortage. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a sectional view of part of the structure of the natural gas valve structure.

[0027] In the drawings:

[0028] 100, channel;

[0029] 1, valve body; 11, connecting shaft; 2, valve core; 3, driving mechanism; 4, battery; 5, solar panel; 6, pressure monitoring mechanism; 7, control mechanism; 8, temperature monitoring mechanism; 9, flow monitoring mechanism; 10, alarm device; 20, heating device. DETAILED DESCRIPTION

[0030] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar components or components having the same or similar functions throughout. The embodiments described below by reference to the drawings are exemplary and are intended to explain the present application, and should not be understood as limiting the present application.

[0031] In the description of the present application, unless explicitly defined and limited otherwise, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0032] In the description of the present application, unless explicitly defined and limited otherwise, the first feature "on" or "below" the second feature can include the first feature and the second feature directly contacting, or the first feature and the second feature not directly contacting but contacting through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes the first feature directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes the first feature directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0033] The technical scheme of the present application will be further illustrated below by combining the drawings and through specific embodiments.

[0034] As Figure 1The utility model provides a natural gas valve structure for controlling natural gas pipeline. The natural gas valve structure includes valve body 1, valve core 2, drive mechanism 3, battery 4 and solar panel 5. Among them, the valve body 1 is provided with passageway 100, and the passageway 100 one end is the air inlet, and the other end is the gas outlet, the passageway 100 is provided with connecting shaft 11, and the valve core 2 is fixed and is provided on the connecting shaft 11, the output end of drive mechanism 3 is connected to connecting shaft 11, and drive mechanism 3 can drive valve core 2 to block between air inlet and gas outlet, the output end of battery 4 is connected to drive mechanism 3, and solar panel 5 is connected to the input end of battery 4, and solar panel 5 is configured to convert light energy into electric energy.

[0035] Battery 4 and solar panel 5 cooperate with each other, solar panel 5 can convert light energy into electric energy and store in battery 4, reduce the demand of the natural gas valve structure to energy supply, in the case of extreme weather or power shortage, the reliability is higher, the valve body 1, valve core 2 and drive mechanism 3 cooperate with each other, thereby controlling the communication or interruption of natural gas in passageway 100, simple structure, low manufacturing cost, not easy to break down.

[0036] Need to be explained, battery 4 and solar panel 5 are both prior art disclosed in the art, and the working principle and specific structure are not described here.

[0037] Specifically, drive mechanism 3 can drive connecting shaft 11 to extend into or out of passageway 100, or drive mechanism 3 can drive connecting shaft 11 to rotate. The above setting, valve core 2 is plate-shaped, drive mechanism 3 can be the linear driving device (such as linear motor or linear hydraulic device etc.) commonly used in the art, to drive connecting shaft 11 to extend into or out of passageway 100, so as to realize the block and sliding avoidance of valve core 2, or drive mechanism 3 can also be the rotary driving device (such as cylinder, rotary motor etc.) commonly used in the art, to drive connecting shaft 11 to rotate around its axial direction, so as to realize the block and rotary avoidance of valve core 2, high transmission efficiency, simple structure, low production cost, not easy to damage.

[0038] Specifically, the natural gas valve structure further includes pressure monitoring mechanism 6 and control mechanism 7. Among them, pressure monitoring mechanism 6 is fixedly arranged on the inner wall of passageway 100, and pressure monitoring mechanism 6 is configured to measure the pressure value in passageway 100, control mechanism 7 is communicatively connected to pressure monitoring mechanism 6 and drive mechanism 3, and control mechanism 7 can open and close drive mechanism 3. The setting of the above pressure monitoring mechanism 6 can realize the real-time monitoring of the gas or liquid pressure in passageway 100, improve the stability and safety of the natural gas valve structure.

[0039] It should be noted that the pressure monitoring mechanism 6 is a pressure sensor commonly used in this field, and its working principle and specific structure will not be described in detail here; the control mechanism 7 is a programmable logic controller (PLC) commonly used in this field, and its working principle and specific structure will not be described in detail here.

[0040] Specifically, the natural gas valve structure also includes an alarm device 10, which is communicatively connected to the control mechanism 7. The alarm device 10 is configured such that when an abnormal condition occurs in the natural gas valve structure, the control mechanism 7 can activate the alarm device 10 to ensure the safety of the natural gas valve structure.

[0041] It should be noted that the alarm device 10 is a common existing technology in this field, and its working principle and specific structure will not be described in detail here.

[0042] More specifically, the pressure monitoring mechanism 6 is equipped with a pressure threshold range. When the pressure measurement value is not within the pressure threshold range, the control mechanism 7 can activate the alarm device 10 to alert the staff.

[0043] For example, in this embodiment, when the pressure measurement value is lower than the pressure threshold range, it can be understood as a natural gas leak. At the same time, the control mechanism 7 activates the alarm device 10 and can also control the drive mechanism 3 to drive the valve core 2 to block between the inlet and outlet, thereby reducing the natural gas leak. When the pressure measurement value is higher than the pressure threshold range, at the same time, the control mechanism 7 activates the alarm device 10 and can also control the drive mechanism 3 to drive the valve core 2 to completely avoid the space between the inlet and outlet, thereby maximizing pressure balance.

[0044] For example, in this embodiment, two pressure monitoring mechanisms 6 are provided, one between the valve core 2 and the air inlet, and the other between the valve core 2 and the air outlet. This arrangement allows the two pressure monitoring mechanisms 6 to monitor the pressure values ​​at the air inlet and air outlet positions respectively, enabling maintenance personnel to quickly locate abnormal pressure points and improving reliability.

[0045] Specifically, the natural gas valve structure also includes a temperature monitoring mechanism 8, which is fixedly installed on the inner wall of the channel 100 and can measure the temperature in the channel 100. The temperature monitoring mechanism 8 is communicatively connected to the control mechanism 7. The installation of the temperature monitoring mechanism 8 enables real-time monitoring of the gas or liquid temperature in the channel 100, thereby improving the stability and safety of the natural gas valve structure.

[0046] It should be noted that the temperature monitoring mechanism 8 is a commonly used temperature sensor in this field, and its working principle and specific structure will not be described in detail here.

[0047] Exemplarily, in the embodiment, the temperature monitoring mechanism 8 is provided with two, one is arranged between the valve core 2 and the inlet, and the other is arranged between the valve core 2 and the outlet. The above arrangement, the two temperature monitoring mechanisms 8 can respectively monitor the pressure value of the inlet position and the outlet position, so that the working personnel can quickly find the position of the temperature anomaly during the maintenance work, and the reliability is higher.

[0048] Specifically, the natural gas valve structure further comprises a heating device 20, the heating device 20 is arranged on the outer wall of the valve body 1, and is in communication connection with the control mechanism 7.

[0049] It should be noted that the heating device 20 is a commonly used resistance heating device in the art, and the working principle and specific structure thereof will not be described here.

[0050] Exemplarily, in the embodiment, the temperature monitoring mechanism 8 is provided with a temperature threshold range, when the pressure measurement value is not in the pressure threshold range, the control mechanism 7 can start the alarm device 10, thereby playing a warning role for the working personnel.

[0051] Exemplarily, in the embodiment, when the temperature measurement value of the temperature monitoring mechanism 8 is lower than the temperature threshold range, the control mechanism 7 starts the alarm device 10, and also can start the heating device 20.

[0052] Specifically, the natural gas valve structure further comprises a flow monitoring mechanism 9, the flow monitoring mechanism 9 is fixedly arranged on the inner wall of the channel 100, and can measure the flow size in the channel 100 per unit time, the flow monitoring mechanism 9 is in communication connection with the control mechanism 7. The above arrangement of the flow monitoring mechanism 9 can realize real-time monitoring of the flow size in the channel 100 per unit time, improve the stability and safety of the natural gas valve structure.

[0053] It should be noted that the flow monitoring mechanism 9 is a commonly used flow sensor in the art, and the working principle and specific structure thereof will not be described here.

[0054] Exemplarily, in the embodiment, the flow monitoring mechanism 9 is provided with two, one is arranged between the valve core 2 and the inlet, and the other is arranged between the valve core 2 and the outlet. The above arrangement, the two flow monitoring mechanisms 9 can respectively monitor the flow size per unit time of the inlet position and the outlet position, so as to facilitate the maintenance of the working personnel, and the reliability is higher.

[0055] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A natural gas valve structure, characterized by, The utility model relates to a valve body (1) is provided with the passage (100), one end of passage (100) is the air inlet, the other end is the air outlet, the valve core (2) is provided with the connecting shaft (11) in the passage (100), the valve core (2) is fixed and is provided with the connecting shaft (11), the drive mechanism (3) is connected to the connecting shaft (11) on the output end, the drive mechanism (3) can drive the valve core (2) and block up between the air inlet and the air outlet, the battery (4) is connected to the drive mechanism (3) on the output end, the solar panel (5) is connected to the input end of battery (4), and the solar panel (5) is configured to convert light energy into electric energy. The drive mechanism (3) can drive the connecting shaft (11) to extend into or out of the passage (100). Alternatively, the drive mechanism (3) can drive the connecting shaft (11) to rotate. Further comprising: The pressure monitoring mechanism (6) is fixedly arranged on the inner wall of the passage (100), and the pressure monitoring mechanism (6) is configured to measure the pressure value in the passage (100); The control mechanism (7) is communicatively connected to the pressure monitoring mechanism (6) and the drive mechanism (3), and the control mechanism (7) can start and stop the drive mechanism (3).

2. The natural gas valve structure of claim 1, wherein The pressure monitoring mechanism (6) is provided with two, one is arranged between the valve core (2) and the air inlet, and the other is arranged between the valve core (2) and the air outlet. Further comprising temperature monitoring mechanism (8), temperature monitoring mechanism (8) is fixedly arranged on the inner wall of the passage (100), and can measure the temperature in the passage (100), and the temperature monitoring mechanism (8) is communicatively connected to the control mechanism (7).

3. The natural gas valve structure of claim 1, wherein The temperature monitoring mechanism (8) is provided with two, one is arranged between the valve core (2) and the air inlet, and the other is arranged between the valve core (2) and the air outlet. Further comprising flow monitoring mechanism (9), flow monitoring mechanism (9) is fixedly arranged on the inner wall of the passage (100), and can measure the flow size in the passage (100) per unit time, and the flow monitoring mechanism (9) is communicatively connected to the control mechanism (7). The flow monitoring mechanism (9) is provided with two, one is arranged between the valve core (2) and the air inlet, and the other is arranged between the valve core (2) and the air outlet.

4. The natural gas valve structure according to claim 3, wherein Further comprising alarm device (10), alarm device (10) is communicatively connected to the control mechanism (7).

5. The natural gas valve structure of claim 3, wherein Further comprising heating device (20), the heating device (20) is arranged on the outer wall of the valve body (1), and is communicatively connected to the control mechanism (7).

6. The natural gas valve structure of claim 5, wherein ​ 7. The natural gas valve structure of claim 3, wherein ​ 8. The natural gas valve structure of claim 7, wherein ​ 9. A natural gas valve structure according to any one of claims 3-8, characterized in that ​ 10. A natural gas valve structure according to any one of claims 3-8, characterized in that ​

Images