Remote motor-driven voltage regulator

Abstract

The utility model relates to the technical field of voltage regulators, and particularly discloses a remote motor-driven voltage regulator. Comprising a main pressure regulator and a director. A support is further arranged outside the main voltage regulator, an explosion-proof motor is installed on the support, and the explosion-proof motor and the director are both arranged on the support and connected into a whole. A first air cavity and a second air cavity are formed in the main pressure regulator; the first air cavity comprises an air inlet cavity and an air outlet cavity; the air inlet cavity and the air outlet cavity are communicated through a connecting channel; the two ends of the connecting channel are provided with an air inlet cavity connector and an air outlet cavity connector respectively. The explosion-proof motor is provided with an adjusting screw rod through a connecting piece; a diaphragm is arranged in the second air cavity; the diaphragm is fixedly connected with the adjusting screw rod; the explosion-proof motor adjusts the pressure of the air outlet of the main pressure regulator to be increased or decreased by adjusting the driving force input into the diaphragm by the director to be increased or decreased, and the complexity and cost of operation and maintenance are remarkably reduced by adjusting the pressure through the motor.

Description

Technical Field

[0001] The utility model relates to the technical field of voltage regulators, in particular to a remote motor-driven voltage regulator. Background Art

[0002] A gas pressure regulator is a device specifically designed for use in gas transmission and distribution systems. It primarily performs the important functions of regulating and stabilizing pressure and is widely used in various gas transmission and distribution projects. Its primary function is to regulate the pressure at the gas outlet, ensuring it remains within a specific pressure range to meet users' specific gas pressure requirements. However, in practice, during peak gas usage periods, the pressure in the gas pipeline network often drops, making it difficult to meet user gas demand. In these situations, gas companies are forced to dispatch personnel on-site to manually increase the gas pressure to ensure adequate gas supply. Conversely, during periods of reduced gas usage, gas companies must dispatch personnel on-site to lower the pressure to ensure safe operation of the gas pipeline network. This frequent on-site adjustment not only causes significant inconvenience for gas companies but also results in a significant waste of human resources.

[0003] Patent No. CN206246767U, "Gas Pressure Regulator," discloses a pressure regulator comprising a valve body, a valve cover, and a diaphragm. The valve body is provided with an inlet nozzle and an outlet nozzle. The diaphragm is located within the valve body, and the valve cover is connected to the valve body. The diaphragm's outer periphery is restrained by the valve cover and the valve body. A lever mechanism is provided between the diaphragm and the inlet nozzle, and a first spring is provided between the diaphragm and the valve cover. The outer periphery of the outlet nozzle is provided with a plurality of indentations, which give the outer periphery of the outlet nozzle a tooth-like structure. The teeth are straight teeth. The diaphragm has a basin-like structure. A diaphragm gasket is provided between the diaphragm and the first spring. The surface of the diaphragm gasket that contacts the diaphragm is provided with at least one concentric annular indentation of different diameters. This structure can improve the service life, operational stability, and safety of the gas pressure regulator, while reducing production costs.

[0004] Although the design of the pressure regulator in prior art 1 improves its service life, operational stability, and safety, the problem of gas pressure fluctuations still arises during actual use. Faced with this situation, gas companies usually need to dispatch professional technicians to the site to manually adjust the gas pressure. This practice not only brings great inconvenience to the gas company's operations, but also results in unnecessary waste of human and physical resources. Therefore, although the performance of the pressure regulator has been improved to a certain extent, in actual operation, it still suffers from low efficiency and increased costs. Utility Model Content

[0005] Embodiments of the utility model provide a kind of remote motor drive type pressure regulator, to solve the problem that the adjustment of prior art gas pressure regulator needs to be adjusted by staff on site, which is inconvenient for gas company and causes waste of manpower and material resources.

[0006] Embodiments of the utility model provide a kind of remote motor drive type pressure regulator, to solve the problem that the adjustment of prior art gas pressure regulator needs to be adjusted by staff on site, which is inconvenient for gas company and causes waste of manpower and material resources.

[0007] Preferably, a first piston groove is provided in the outlet gas cavity, and an adjusting piston that can move in the first piston groove is provided in the first piston groove, and a first spring is provided between the adjusting piston and the first piston groove.

[0008] Preferably, a coordinator is further provided in the second gas cavity, the adjusting screw is fixedly connected with the coordinator, the diaphragm is fixedly connected with the coordinator by a fastener, the diaphragm divides the second gas cavity into a first chamber and a second chamber, and the commander further comprises a first air pipe and a second air pipe that are in communication with the first chamber and the second chamber, respectively.

[0009] Preferably, an outlet gas pipe is provided at the outlet, the outlet gas pipe is in communication with the second chamber through a first pressure sensing pipe, the explosion-proof motor drives the adjusting screw to move towards one end close to the second chamber, the driving force on the diaphragm increases, and the pressure of the outlet increases; the explosion-proof motor drives the adjusting screw to move towards one end away from the second chamber, the driving force on the diaphragm decreases, and the pressure of the outlet decreases.

[0010] Preferably, a cutting component is further provided outside the main pressure regulator, the cutting component comprises a sensor and is configured to cut off the communication between the first gas cavity and the connection channel, and the cutting component comprises a second pressure sensing pipe that connects the outlet gas pipe and the sensor.

[0011] Preferably, the cutting-off component comprises a cutting-off piston for cutting off the communication between the first air cavity and the connecting passage; the first air cavity is provided with a second piston groove for accommodating the cutting-off piston, and the cutting-off piston is movable in the second piston groove.

[0012] Preferably, the cutting-off component further comprises a cutting-off screw rod, which is fixedly connected with the cutting-off piston.

[0013] Preferably, the cutting-off piston is provided with a stepped structure inside, and is provided with a second spring and a third spring inside, respectively.

[0014] Preferably, an end of the cutting-off piston close to the air inlet cavity interface is adaptively arranged with the shape of the air inlet cavity interface.

[0015] Preferably, the cutting-off component is driven by the cutting-off screw rod, so as to drive the cutting-off piston to move towards or away from an end of the air inlet cavity interface, thereby cutting off or communicating the air inlet cavity interface with the connecting passage.

[0016] The remote motor-driven pressure regulator has the following beneficial effects:

[0017] The remote motor-driven pressure regulator provided by the utility model has the advantages that: the remote motor-driven pressure regulator utilizes the anti-explosion motor driving technology, and the gas pressure can be adjusted remotely through the commander without the need of on-site operation of the staff, so that the operation efficiency is greatly improved, the manpower and material resources are saved, and the operation cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings needed to be used in the embodiments of the utility model will be briefly introduced as follows, and other drawings can also be obtained by the ordinary skilled in the art without the need of creative labor on the premise of not paying the creative labor, and these are within the protection scope of the utility model.

[0019] Figure 1 It is a structure schematic diagram of a remote motor-driven pressure regulator;

[0020] Figure 2 It is a sectional structure schematic diagram of a remote motor-driven pressure regulator;

[0021] Figure 3 It is a front structure schematic diagram of a remote motor-driven pressure regulator;

[0022] Parts and numbers in the picture:

[0023] 100-main voltage regulator;

[0024] 110 - air inlet cavity, 120 - air outlet cavity, 130 - connecting channel, 131 - air inlet cavity interface, 132 - air outlet cavity interface, 133 - first piston groove, 134 - adjusting piston, 135 - first spring, 140 - first chamber, 150 - second chamber, 160 - diaphragm, 170 - air outlet, 171 - air outlet pipe, 172 - coordinator, 173 - fastener, 180 - first pressure sensing tube, 191 - air inlet, 192 - air inlet pipe;

[0025] 200-commander, 210-first air pipe, 220-second air pipe;

[0026] 300-bracket;

[0027] 400- explosion-proof motor, 410- connector, 420- adjusting screw, 430- connector;

[0028] 500-cutting component, 510-cutting piston, 520-second piston groove, 530-cutting screw, 541-second spring, 542-third spring, 560-second pressure-sensing tube;

[0029] 610-pressure transmitter, 620-temperature transmitter. DETAILED DESCRIPTION

[0030] For the purpose, technical scheme and advantages of the embodiments of the present application to be clearer, the technical scheme in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. It should be noted that, in this document, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. In the description of the present application, it should be understood that the orientation or positional relationship indicated by terms such as center, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. Moreover, the terms "include", "contain" or any other variant thereof are intended to cover non-exclusive inclusion, so that the process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device. Without more limitations, the elements defined by the statement "include" do not exclude the presence of other identical elements in the process, method, article or device including the elements. If there is no conflict, the embodiments of the present application and various features in the embodiments can be combined with each other, and are all within the protection scope of the present application.

[0031] Embodiment 1

[0032] Please refer to Figure 1 The embodiments of the present application provide a remote motor-driven pressure regulator. In the gas supply system, the pressure regulator plays a vital role, which is responsible for adjusting the gas pressure in the pipe network to a level suitable for user use. However, in actual operation, especially during the peak period of gas use, due to the large increase in demand for gas by users, this often leads to a decrease in pressure in the pipe network, which cannot meet the needs of users. In this case, the gas company has to send technical personnel to the scene to manually adjust the pressure regulator to increase the pressure to ensure that the gas can be smoothly delivered to the user's home. However, when the gas consumption decreases, in order to ensure the safe operation of the pipe network and avoid safety problems that may be caused by high pressure, the gas company also needs technical personnel to lower the pressure on site. This frequent on-site operation not only brings great inconvenience to the gas company, but also causes a large waste of human resources.

[0033] In order to solve this problem, the embodiment proposes a remote motor-driven pressure regulator. This pressure regulator can realize the function of remote automatic pressure regulation through the driving of the motor. This means that the gas company no longer needs to frequently send staff to the site for manual adjustment, thereby avoiding the waste of human and material resources. Through remote control, technicians can monitor and adjust the pressure of the gas pipeline network in real time at the control center, ensuring that the user's gas demand can be met at any time, while ensuring the safe operation of the pipeline network, and greatly reducing the operating cost.

[0034] The remote motor-driven pressure regulator provided in the embodiment includes a main pressure regulator 100 and a commander 200 arranged outside the main pressure regulator 100. In order to ensure the stability and safety of the device, a support 300 structure is arranged outside the main pressure regulator 100. The support 300 not only plays a supporting role, but also has an explosion-proof motor 300 mounted thereon to ensure safety when used in a flammable and explosive environment. In addition, in order to further improve the integration and operation convenience of the pressure regulator, the explosion-proof motor 300 and the commander 200 are arranged on the support 300, and they are connected as a whole through a transmission connection mode.

[0035] In the embodiment, the internal structure of the main pressure regulator 100 includes two main gas cavity regions, namely a first gas cavity and a second gas cavity. The first gas cavity is further divided into an inlet gas cavity 110 and an outlet gas cavity 120. The two parts are connected to each other through a connecting channel 130 to ensure smooth transition of the gas flow. In use, the high-pressure gas passing through the inlet gas cavity 110 is output as usable low-pressure gas after passing through the outlet gas cavity 120. Further, the two ends of the connecting channel 130 are respectively opened as an inlet cavity interface 131 and an outlet cavity interface 132. The outlet cavity interface 132 is also configured as a throttle to facilitate control of the rate and pressure of gas flow.

[0036] In the embodiment, the explosion-proof motor 300 is connected to the adjusting screw 420 through a connecting piece 410 to realize control of the motor output. Inside the second cavity of the explosion-proof motor 300, a diaphragm 160 is installed to separate the second cavity. The diaphragm 160 is fixedly connected to the adjusting screw 420. In this way, the operator of the explosion-proof motor 300 can apply different driving forces to the diaphragm 160 through the adjusting commander 200. According to the size of the driving force applied, accurate adjustment of the pressure of the outlet 170 of the main pressure regulator 100 can be realized, so that the pressure of the outlet 170 can be increased or decreased as needed. The driving force of the explosion-proof motor 300 on the diaphragm 160 is large, and the pressure of the outlet 170 is high. The driving force of the explosion-proof motor 300 on the diaphragm 160 is small, and the pressure of the outlet 170 is low.

[0037] Further, in order to achieve more precise control, the first piston slot 133 is arranged in the air outlet cavity 120, and an adjusting piston 134 is arranged in the first piston slot 133 and can move freely in the first piston slot 133. An elastic element, i.e., the first spring 135, is arranged between the adjusting piston 134 and the first piston slot 133, and the first spring 135 provides a reverse force for the adjusting piston 134 to ensure that the adjusting piston 134 can stably return to the initial position during movement.

[0038] The main pressure regulator 100 is bolted at the inlet end to the air inlet pipe 192 and bolted at the outlet end to the air outlet pipe 171. One end of the connecting piece 410 is sleeved on the adjusting screw, and the other end is sleeved on the adapter, and the adapter is fixed by the elastic cylindrical split pin. The other end of the adapter is connected with the explosion-proof motor 300 and locked by the square head long cylindrical end set screw. The explosion-proof motor 300 is installed on the support 300 and connected with the commander 200 as a whole. When the explosion-proof motor 300 rotates, the adjusting screw rod 420 is driven to realize the pressure increasing or decreasing operation of the outlet end of the main pressure regulator 100.

[0039] In the second air cavity, a coordinator 172 component is additionally arranged; the coordinator 172 is fixedly connected with the adjusting screw rod 420 to ensure that the coordinator 172 and the adjusting screw rod 420 can move synchronously. In addition, the diaphragm 160 is tightly connected with the coordinator 172 by the fastener 173, and the diaphragm 160 divides the second air cavity into two independent chambers, i.e., the first chamber 140 and the second chamber 150. In order to achieve precise control of the air flow, the commander 200 is specially designed to have the first air pipe 210 and the second air pipe 220 which are respectively connected with the first chamber 140 and the second chamber 150, so that the pressure in the two chambers can be independently adjusted, thereby achieving the purpose of precise control.

[0040] During use, the explosion-proof motor 300 drives the commander 200 to add gas to the first chamber 140 through the first air pipe 210, at this time, the pressure in the first chamber 140 increases, the diaphragm 160 drives the adjusting screw rod 420 to move away from the air outlet cavity interface 132, the opening between the adjusting piston 134 and the air outlet cavity interface 132 increases, and the pressure of the air outlet 170 increases.

[0041] Conversely, the explosion-proof motor 300 drives the commander 200 to add gas to the second chamber 150 through the second air pipe 220, at this time, the pressure in the second chamber 150 increases, the diaphragm 160 drives the adjusting screw rod 420 to move close to the air outlet cavity interface 132, the opening between the adjusting piston 134 and the air outlet cavity interface 132 decreases, and the pressure of the air outlet 170 decreases.

[0042] Further, the gas outlet 170 is provided with a gas outlet pipeline 171; the gas outlet pipeline 171 also communicates with the second cavity 150 through the first pressure sensing pipe 180; the pressure regulator can detect the pressure in the gas outlet pipeline 171 through the first pressure sensing pipe 180, so as to facilitate its adjustment, and further, when the pressure in the gas outlet pipeline 171 is too large, the first pressure sensing pipe 180 can also enter the second gas cavity, so as to extrude the diaphragm 160, so that the diaphragm 160 drives the adjusting screw 420 to move to one end close to the gas outlet cavity interface 132, the opening between the adjusting piston 134 and the gas outlet cavity interface 132 is reduced, and the pressure of the gas outlet 170 is reduced.

[0043] Further, in order to ensure the safe and stable operation of the gas outlet pipeline 171, the gas outlet pipeline 171 is also specially equipped with a pressure transmitter 610 and a temperature transmitter 620. These transmitters can monitor the pressure and temperature conditions in the pipeline in real time, provide necessary information for the operator through accurate data feedback, so as to timely adjust the operation parameters, prevent potential safety risks, and ensure the efficient and safe operation of the whole system.

[0044] Further, the outside of the main pressure regulator 100 is also configured with a special cut-off component 500, which can immediately perform cut-off operation when the pressure borne by the pressure regulator exceeds its adjustment capability range, so as to prevent gas from continuing to enter the pressure regulating valve. This cut-off component 500 includes a mechanical structure that can interrupt the communication state between the first gas cavity and the over connection pipeline. In addition, the cut-off device also integrates a sensor function for real-time monitoring of pressure conditions. In order to ensure that the sensor can accurately obtain pressure data, the cut-off device is specially designed with a second pressure sensing pipe 560, which is responsible for transmitting the pressure information in the gas outlet pipeline 171 to the sensor, so as to realize the monitoring of the gas pressure.

[0045] In this embodiment, the cut-off component 500 includes a cut-off piston 510 for realizing the cut-off function. The main function of this cut-off piston 510 is to control and realize the switching of the communication state between the first gas cavity and the connecting channel 130. Specifically, when the cut-off piston 510 is activated and moved to a specific position, it can effectively block the communication between the first gas cavity and the connecting channel 130, thereby achieving the purpose of cutting off. In order to accommodate this cut-off piston 510 and make necessary movements inside the cut-off component 500, a second piston groove 520 is specially provided in the first gas cavity. This second piston groove 520 is specially provided for the cut-off piston 510, which provides sufficient space for the movement of the cut-off piston 510, so that it can freely move back and forth in the second piston groove 520. This design not only ensures the smooth operation of the cut-off piston 510, but also guarantees the reliability and efficiency of the cut-off component 500 when performing the cut-off task.

[0046] In this embodiment, the cut-off component 500 further includes a cut-off screw 530 which is fixedly connected between the cut-off piston 510.

[0047] Further, the internal structure of the cut-off piston 510 is arranged in a stepped manner, and its internal space accommodates a second spring 541 and a third spring 542 respectively, which are arranged at appropriate positions. The end of the cut-off piston 510 close to the air inlet cavity interface 131 is adapted to the shape of the air inlet cavity interface 131 to ensure a tight fit therebetween. By driving the cut-off screw 530, the cut-off piston 510 can be controlled to move towards or away from the end of the air inlet cavity interface 131, thereby realizing the switching of the cut-off or communication state between the air inlet cavity interface 131 and the connecting channel 130.

[0048] In use, gas enters the air inlet cavity 110 from the air inlet pipe 192 of the pressure regulator, and enters the air outlet cavity 120 through the connecting channel 130, and then enters the external pipeline through the air outlet pipe 171. When the gas enters the air outlet cavity 120, the high-pressure gas is converted into low-pressure gas through the adjustment of the director 200. When a larger or smaller pressure is detected, the director 200 is driven by the motor to the first chamber 140 or the second chamber 150, so that the diaphragm 160 drives the adjustment piston 134 to adjust the opening between the air outlet cavity interface 132, so as to adjust the pressure of the gas in the air outlet cavity. When the pressure is too large to be adjusted by adjusting the pressure, the cut-off piston 510 of the cut-off component 500 completely closes the air inlet cavity interface 131, so that the air inlet cavity 110 and the air outlet cavity 120 cannot be communicated, and the gas cannot pass through, thereby avoiding the risk of gas use.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A remote motor driven voltage regulator, characterized in that: The invention comprises a main voltage regulator (100) and a controller (200) arranged outside the main voltage regulator (100); a bracket (320) is further arranged outside the main voltage regulator (100); an explosion-proof motor (400) is mounted on the bracket (320); the explosion-proof motor (400) and the controller (200) are both arranged on the bracket (320) and connected as a whole; The main pressure regulator (100) is provided with a first air cavity and a second air cavity, wherein the first air cavity comprises an air inlet cavity (110) and an air outlet cavity (120); the air inlet cavity (110) and the air outlet cavity (120) are connected via a connecting channel (130); and both ends of the connecting channel (130) are respectively provided with an air inlet cavity interface (131) and an air outlet cavity interface (132); The explosion-proof motor (400) is provided with an adjusting screw (420) via a connecting piece (410); a diaphragm (160) is provided in the second air cavity; the diaphragm (160) is fixedly connected to the adjusting screw (420); the explosion-proof motor (400) increases or decreases the pressure at the air outlet (170) of the main pressure regulator (100) by adjusting the driving force input into the diaphragm (160) by the controller (200) to increase or decrease.

2. A remote motor driven voltage regulator according to claim 1, characterized in that: A first piston groove 1 (33) is provided in the air outlet cavity (120), an adjusting piston (134) movable in the first piston groove (133) is provided in the first piston groove (133), and a first spring (135) is provided between the adjusting piston (134) and the first piston groove (133).

3. A remote motor driven voltage regulator according to claim 2, characterized in that: A coordinator (172) is also provided in the second air cavity; the adjusting screw (420) is fixedly connected to the coordinator (172), and the diaphragm (160) is fixedly connected to the coordinator (172) via a fastener (173); the diaphragm (160) divides the second air cavity into a first chamber (140) and a second chamber (150); the commander (200) is further provided with a first air pipe (210) and a second air pipe (220) respectively connected to the first chamber (140) and the second chamber (150).

4. A remote motor driven voltage regulator according to claim 3, characterized in that: The air outlet (170) is provided with an air outlet pipe (171); the air outlet pipe (171) is connected to the second chamber (150) through a first pressure-sensing pipe (180); The explosion-proof motor (400) drives the adjusting screw (420) to move toward one end close to the second chamber (150), the driving force on the diaphragm (160) increases, and the pressure at the air outlet (170) increases; The explosion-proof motor (400) drives the adjusting screw (420) to move toward an end away from the second chamber (150), the driving force on the diaphragm (160) decreases, and the pressure at the air outlet (170) decreases.

5. A remote motor driven voltage regulator according to claim 4, characterized in that: A cut-off component (500) is further provided on the outside of the main voltage regulator (100); the cut-off component (500) includes a device for cutting off the communication between the first air cavity and the through connection; the cut-off component (500) includes a sensor, and the cut-off component (500) is provided with a second pressure-sensing tube (560) connecting the air outlet pipe (171) and the sensor.

6. A remote motor driven voltage regulator according to claim 5, characterized in that: The cutting component (500) comprises a cutting piston (510) for cutting off the communication between the first air cavity and the connecting channel (130); the first air cavity is provided with a second piston groove (520) for accommodating the cutting piston (510), and the cutting piston (510) is movable in the second piston groove (520).

7. A remote motor driven voltage regulator according to claim 6, characterized in that: The cutting component (500) further comprises a cutting screw (530), wherein the cutting screw (530) is fixedly connected to the cutting piston (510).

8. The remote motor driven voltage regulator according to claim 6, characterized in that: The interior of the cut-off piston (510) is arranged in a stepped manner, and a second spring (541) and a third spring (542) are respectively provided therein.

9. The remote motor driven voltage regulator according to claim 6, characterized in that: One end of the cut-off piston (510) close to the air inlet cavity interface (131) is adaptively configured to match the outer shape of the air inlet cavity interface (131).

10. The remote motor driven voltage regulator according to claim 7, characterized in that: The cutting component (500) drives the cutting screw (530), thereby driving the cutting piston (510) to move toward or away from one end of the air inlet cavity interface (131), thereby cutting off or connecting the air inlet cavity interface (131) with the connecting channel (130).

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