Intelligent integrated electric butterfly valve

Abstract

The utility model discloses an intelligent integrated electric butterfly valve which comprises a valve body structure and a controller, the valve body structure comprises a measuring tube, one end of a tube body of the measuring tube is provided with an electromagnetic metering assembly, the other end of the measuring tube is provided with a flow control assembly, the flow control assembly comprises a valve rod, the valve rod is arranged in the measuring tube, and the valve rod is connected with the controller. A self-locking motor is installed at one end of the valve rod, a first valve plate is fixed to the position, located at the bottom of the pipe body in the measuring pipe, of the valve rod, a second valve plate is rotationally connected to the position, located at the top of the pipe body in the measuring pipe, of the valve rod, and a receding groove is formed in one side of the second valve plate; the receding groove is matched with the first valve plate, the inner wall of the measuring pipe makes contact with the edge of the first valve plate and the edge of the second valve plate, water retaining strips are fixed to the inner wall, making contact with the edge of the first valve plate and the edge of the second valve plate, of the measuring pipe, and limiting blocks are fixed to the two sides of the inner wall of the measuring pipe.

Description

TECHNICAL FIELD

[0001] The utility model belongs to butterfly valve technical field, concretely relates to an intelligent integrated electric butterfly valve. BACKGROUND

[0002] In industrial automation control system, butterfly valve as the most commonly used flow control element is widely used in various fluid delivery pipeline. The opening and closing part of traditional electric butterfly valve is disc-shaped valve plate, rotates around its own axis in the valve body, realizes opening and closing or regulation, but its flow regulation range is smaller, for example, when the valve plate opens to 30%, the flow has reached nearly 95% or more, can not satisfy some industry to the high demand of flow control, and in automatic control flow regulation aspect, still need to install flowmeter, not only increase installation difficulty, also need secondary payment, therefore, the utility model provides an intelligent integrated electric butterfly valve, expands flow regulation range simultaneously, can real-time monitoring flow, automatic control flow regulation, and is convenient to install.

[0003] For the problems in the related art, no effective solution has been proposed so far. TECHNICAL SOLUTION

[0004] To achieve the above object, the utility model provides the following technical scheme: an intelligent integrated electric butterfly valve, including valve body structure and controller, the valve body structure includes measuring pipe, the measuring pipe pipe body one end is provided with electromagnetic metering assembly, the measuring pipe other end is provided with flow control assembly, the flow control assembly includes valve rod, the valve rod is placed in the measuring pipe inside, and the shaft body both ends are rotationally connected with the measuring pipe pipe body, one end of the valve rod is installed with self-locking motor, the valve rod is fixed with first valve plate in the measuring pipe inside pipe body bottom, the valve rod is rotationally connected with second valve plate in the measuring pipe inside pipe body top, the second valve plate one side is provided with the slot, the slot and first valve plate are adapted, the measuring pipe inner wall is contacted with the edge of first valve plate and second valve plate respectively, the inner wall of measuring pipe and the edge of first valve plate and second valve plate are contacted and are all fixed with water baffle, the inner wall both sides of measuring pipe are all fixed with limit block, the limit block and first valve plate are fixed with reed between.

[0005] As a preferred technical scheme of the utility model, the measuring pipe includes shell, the shell inner wall is fixed with lining, the shell both ends are all welded with flange, the limit block is fixed in the lining inner wall both sides.

[0006] As a preferred technical scheme of the utility model, the electromagnetic metering assembly includes converter, excitation coil and electrode, the excitation coil is installed between shell and lining, the converter is electrically connected between excitation coil and electrode respectively, the electrode is fixed on the two sides of lining symmetrically, and is flush with the inner wall surface of lining.

[0007] As a preferred technical scheme of the utility model, the controller is electrically connected with the converter and the motor driver of the self-locking motor respectively.

[0008] As a preferred technical scheme of the utility model, the valve rod and the rotation connection of the measuring pipe body are all equipped with soft sealing rings.

[0009] As a preferred technical scheme of the utility model, the water baffle is fixed with sealing pads on the edge contact surface of the first valve plate and the second valve plate respectively.

[0010] Compared with the prior art, the utility model has the beneficial effects that:

[0011] The utility model discloses a flow control device for measuring pipe, which comprises a measuring pipe, a valve rod, a self-locking motor, a first valve plate, a second valve plate, a water baffle, a limiting block, a spring piece, an outer shell, a lining, a flange, a converter, an excitation coil, an electrode, a soft sealing ring and a controller. BRIEF DESCRIPTION OF DRAWINGS

[0012] The drawings are used to provide further understanding of the utility model and constitute a part of the specification, are used to explain the utility model together with the embodiments of the utility model and do not constitute the limitation to the utility model.

[0013] Fig. 1 It is the sectional elevation view of the measuring pipe in the utility model;

[0014] Fig. 2 It is the front view of the flow control assembly of the measuring pipe in the utility model;

[0015] Fig. 3 It is the sectional side view of the measuring pipe in the utility model;

[0016] In the drawing: 1, measuring pipe; 2, valve rod; 3, self-locking motor; 4, first valve plate; 5, second valve plate; 6, accommodation groove; 7, water baffle; 8, limiting block; 9, spring piece; 10, outer shell; 11, lining; 12, flange; 13, converter; 14, excitation coil; 15, electrode; 16, soft sealing ring; 17, sealing pad; 18, controller. DETAILED DESCRIPTION

[0017] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.

[0018] Embodiment

[0019] Please refer to Figs. 1-3 The utility model provides the following technical scheme: an intelligent integrated electric butterfly valve, including valve body structure and controller 18, valve body structure includes surveying tube 1, surveying tube 1 pipe body one end is provided with electromagnetic metering assembly, surveying tube 1 other end is provided with flow control assembly, flow control assembly includes valve stem 2, valve stem 2 is placed inside surveying tube 1, and both ends of shaft body are rotationally connected with surveying tube 1 pipe body, one end of valve stem 2 is installed with self locking motor 3, the bottom of the pipe body inside surveying tube 1 is fixed with first valve plate 4, the top of the pipe body inside surveying tube 1 is rotationally connected with second valve plate 5, one side of second valve plate 5 is provided with let -by slot 6, let -by slot 6 is compatible with first valve plate 4, the inner wall of surveying tube 1 is contacted with the edge of first valve plate 4 and second valve plate 5 respectively, the inner wall of surveying tube 1 and the edge of first valve plate 4 and second valve plate 5 are all fixed with water baffle 7, both sides of the inner wall of surveying tube 1 are all fixed with limit block 8, spring leaf 9 is fixed between limit block 8 and first valve plate 4, in the embodiment, the electromagnetic flow metering assembly is installed on surveying tube 1 to detect the flow of liquid in the pipe, the independent control of butterfly valve flow is realized through controller 18, the current single valve plate structure is designed as two sets of independent valve plate structure through flow control component, the flow adjustment range is larger by the rotation adjustment of valve plate, the accurate positioning of valve plate is ensured by using self locking motor 3, and the accuracy of flow control is guaranteed, and the sealing surface design of valve body and valve plate can realize high-quality sealing performance in the large flow adjustment range.

[0020] In order to ensure the measurement accuracy and corresponding speed, in the embodiment, as a preferred technical scheme of the present application, the surveying tube 1 includes a shell 10, the inner wall of the shell 10 is fixed with a lining 11, flanges 12 are welded at both ends of the shell 10, the limit blocks 8 are fixed on both sides of the inner wall of the lining 11, the electromagnetic metering assembly includes a transducer 13, an excitation coil 14 and an electrode 15, the excitation coil 14 is installed between the shell 10 and the lining 11, the transducer 13 is electrically connected between the excitation coil 14 and the electrode 15 respectively, and the electrode 15 is symmetrically fixed on both sides of the lining 11 and flush with the inner wall surface of the lining 11.

[0021] In order to realize automatic control, in the embodiment, as a preferred technical scheme of the utility model, the controller 18 is electrically connected with the converter 13 and the motor driver of the self-locking motor 3 respectively.

[0022] In order to ensure the sealing property of the rotating connection between the valve rod 2 and the measuring pipe 1, in the embodiment, as a preferred technical scheme of the utility model, the soft sealing ring 16 is installed at the rotating connection between the valve rod 2 and the pipe body of the measuring pipe 1.

[0023] In order to ensure the sealing property when the valve port is closed, in the embodiment, as a preferred technical scheme of the utility model, the sealing pad 17 is fixed on the edge contact surface of the water baffle 7 and the first valve plate 4 and the second valve plate 5 respectively.

[0024] In summary, by means of the above technical scheme of the utility model, when in use, the whole measuring pipe 1 is installed in the target pipeline through the flange 12, the liquid is introduced from the end of the measuring pipe 1 close to the electromagnetic metering assembly, the electrode 15 is installed on the inner wall of the pipeline and contacts with the liquid, and the exciting coil 14 generates a magnetic field perpendicular to the axis of the pipeline. When the liquid passes between the two symmetrically arranged electrodes 15, an induced electromotive force is generated between the electrodes 15, and the size of the induced electromotive force is proportional to the flow rate of the liquid. The converter 13 amplifies, filters and processes the induced electromotive force signal output by the electrode 15, and finally outputs a standard signal proportional to the flow rate to the controller 18, which controls the output of the self-locking motor 3 to drive the valve rod 2 to rotate. When the valve rod 2 rotates, the first valve plate 4 rotates to one side, and the larger the angle of rotation of the first valve plate 4, the larger the diameter of the valve port, until the first valve plate 4 rotates to 90 degrees to open the bottom valve port to the maximum. When the bottom valve port needs to be opened to the maximum, the self-locking motor 3 can continuously output to drive the first valve plate 4 to continue to rotate until the first valve plate 4 rotates to the accommodation groove 6 of the second valve plate 5. At this time, with the continuous output of the self-locking motor 3, the first valve plate 4 drives the second valve plate 5 to continue to rotate until the second valve plate 5 rotates 90 degrees, so that the whole valve port can be opened to the maximum, and the second valve plate 5 continuously compresses the spring piece 9 during the rotation process. When the valve port needs to be reduced, the self-locking motor 3 drives the valve rod 2 to rotate in the opposite direction, thereby driving the first valve plate 4 to rotate in the opposite direction. At this time, the second valve plate 5 continuously abuts against one side of the first valve plate 4 by means of the spring piece 9 on the limiting block 8, until it rotates to the water baffle 7. The spring piece 9 and the pressure of the liquid flow firmly abut the second valve plate 5 on the water baffle 7, so that the top valve port can be closed, and the adjustment of the bottom valve port is the same.

[0025] Finally should be explained: in the utility model, unless there is definite provision and limitation, the term "installation", "arrangement", "connection", "fix", "screw joint" and so on should be understood broadly, for example, can be fixed connection, also can be detachable connection, or be integrated; can be mechanical connection, also can be electrical connection; can be directly connected, also can be indirectly connected through intermediate medium, can be the communication or the interaction relationship of two elements inside two elements, unless there is definite limitation, for the ordinary skilled person in the art, can understand the specific meaning of the above-mentioned term in the utility model according to specific circumstances.

[0026] The above only for the preferred embodiment of the utility model has been, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiment, for the ordinary skilled person in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. An intelligent integrated motor operated butterfly valve comprising a valve body structure and a controller (18), characterized in that: The valve body structure includes a measuring pipe (1), one end of the pipe body of the measuring pipe (1) is provided with an electromagnetic metering assembly, the other end of the measuring pipe (1) is provided with a flow control assembly, the flow control assembly includes a valve rod (2), the valve rod (2) is arranged inside the measuring pipe (1), and both ends of the shaft body are rotationally connected with the pipe body of the measuring pipe (1), one end of the valve rod (2) is provided with a self-locking motor (3), the valve rod (2) is fixed at the bottom of the inner pipe body of the measuring pipe (1), the valve rod (2) is rotationally connected with a second valve plate (5) at the top of the inner pipe body of the measuring pipe (1), one side of the second valve plate (5) is provided with a let-out slot (6), the let-out slot (6) is matched with the first valve plate (4), the inner wall of the measuring pipe (1) is in contact with the edges of the first valve plate (4) and the second valve plate (5) respectively, the inner wall of the measuring pipe (1) in contact with the edges of the first valve plate (4) and the second valve plate (5) is fixed with a water baffle (7), the inner wall of the measuring pipe (1) is fixed with a limiting block (8) on both sides, and the limiting block (8) is fixed with a reed (9) between the first valve plate (4).

2. The intelligent integrated electric butterfly valve according to claim 1, characterized in that: The measuring pipe (1) includes an outer shell (10), the inner wall of the outer shell (10) is fixed with a lining (11), and the two ends of the outer shell (10) are welded with flanges (12), and the limiting block (8) is fixed on the inner wall of the lining (11) on both sides.

3. The intelligent integrated electric butterfly valve according to claim 1, characterized in that: The electromagnetic metering assembly includes a converter (13), an excitation coil (14) and an electrode (15), the excitation coil (14) is arranged between the outer shell (10) and the lining (11), the converter (13) is electrically connected between the excitation coil (14) and the electrode (15) respectively, and the electrode (15) is symmetrically fixed on both sides of the lining (11) and flush with the inner wall surface of the lining (11).

4. The intelligent integrated electric butterfly valve according to claim 3, characterized in that: The controller (18) is electrically connected with the converter (13) and the motor driver of the self-locking motor (3) respectively.

5. The intelligent integrated electric butterfly valve according to claim 1, characterized in that: The valve rod (2) and the pipe body of the measuring pipe (1) are rotationally connected, and a soft sealing ring (16) is arranged at the rotationally connected position.

6. The intelligent integrated motor-operated butterfly valve according to claim 1, wherein: The water baffle (7) is fixed with a sealing gasket (17) on the edge contact surface of the first valve plate (4) and the second valve plate (5) respectively.

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