Electric valve body with intelligent control function

Abstract

The utility model provides an electrically operated valve body with intelligent control, which relates to the technical field of electrically operated valve bodies, and comprises an electrically operated valve body, a driving execution mechanism is arranged above the electrically operated valve body, and the driving execution mechanism comprises a mounting shell, a valve rod, a worm gear, an access cover, a servo motor and a worm, the electric valve comprises an electric valve body, a driving execution mechanism is arranged on one side of the electric valve body, a valve rod is driven to rotate and adjust through the driving execution mechanism, and a pressure monitoring mechanism is arranged on one side of the electric valve body and comprises a water supply pipe, a monitoring sleeve, a piston block, a guide sleeve, a pressure rod and a pressure sensor. The water pressure in the water supply pipe is monitored in real time, an electric signal is sent to the servo motor when the pressure is higher than a set value or lower than the set value, the servo motor automatically drives the valve rod to rotate and adjust, the water pressure is indirectly monitored through the pressure sensor, and therefore the situation that a probe is abraded, and the measurement accuracy is affected is avoided; and the service life is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to electric valve body technical field especially relates to a kind of electric valve body with intelligent control. BACKGROUND

[0002] Electric valve is a kind of through electric actuator drive valve body action, thereby control pipeline fluid (liquid, gas or steam) flow, pressure and direction equipment. It mainly plays the role of regulating and cutting off fluid, like an intelligent pipeline switch and flow regulator, in sewage treatment plant, the flow distribution and pressure control of sewage between different processing units are crucial to sewage treatment effect, electric valve can accurately control the pressure of sewage in delivery pipeline by adjusting opening angle.

[0003] The existing electric valve body needs to cooperate with pressure sensor when adjusting water pressure in pipeline, monitors water pressure through pressure sensor, thereby signal is transmitted to actuator to adjust valve opening angle, but currently pressure sensor is directly inserted into pipeline interior to monitor, since sewage usually contains solid particles, such as silt, fiber, metal scrap, etc., these solid particles are driven by water flow, and can scour and abrade the surface of pressure sensor probe, thereby accelerating the damage of pressure sensor, and the acidic environment in sewage can cause corrosion of metal strain gauge, change its electrical properties, and affect the accuracy of pressure measurement. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in prior art, the pressure sensor equipped in current electric valve body is directly inserted into pipeline interior to monitor, can scour and abrade the surface of pressure sensor probe, thereby accelerating the damage of pressure sensor, and the acidic environment in sewage can cause corrosion of metal strain gauge, change its electrical properties, and affect the accuracy of pressure measurement.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of electric valve body with intelligent control, including electric valve body, the upper portion of the electric valve body is provided with drive actuator, and drive actuator includes installation shell, valve rod, worm wheel, maintenance cover, servo motor and worm, is driven valve rod to rotate and adjust by the drive actuator;

[0007] The side of the electric valve body is provided with pressure monitoring mechanism, and pressure monitoring mechanism includes water supply pipe, monitoring sleeve, piston block, guide sleeve, pressure rod and pressure sensor, and the water pressure in water supply pipe is monitored by the pressure monitoring mechanism.

[0008] Preferably, the lower end of the installation shell is fixedly connected with the upper end of the electric valve body, the inner bottom wall of the installation shell is rotatably connected with the outer portion of the valve rod through a bearing, the lower end of the valve rod penetrates and extends into the inner portion of the electric valve body, and the outer portion of the valve rod is fixedly sleeved with the inner wall of the worm gear.

[0009] Preferably, the upper end of the maintenance cover is hingedly connected with the upper end of the installation shell through a hinge, the lower end of the servo motor is installed on the inner bottom wall of the installation shell, one end of the worm is fixedly connected with the output shaft of the servo motor through a shaft coupling, and the outer surface of the worm is in meshing engagement with the tooth surface of the worm gear.

[0010] Preferably, one end of the water supply pipe is fixedly communicated with one end of the electric valve body through a flange, the lower end of the monitoring sleeve is fixedly communicated with the outer portion of the water supply pipe, and the upper end of the pressure sensor is fixedly installed on the inner top wall of the monitoring sleeve.

[0011] Preferably, the outer portion of the piston block is movably sleeved with the inner wall of the monitoring sleeve, the lower end of the guide sleeve is fixedly connected with the upper end of the piston block, the outer portion of the pressure rod is movably sleeved with the inner wall of the guide sleeve, and the lower end of the pressure rod is fixedly connected with a supporting spring.

[0012] Preferably, one end of the supporting spring is fixedly connected with the inner bottom wall of the guide sleeve, the upper end of the pressure rod is in contact with the lower end of the pressure sensor, the inner wall of the monitoring sleeve is provided with symmetrically-distributed sliding grooves, and the outer portion of the guide sleeve is fixedly connected with symmetrically-distributed sliding rods.

[0013] Preferably, the outer portion of one end of the sliding rod is slidably inserted into the inner wall of the sliding groove, the one end of the sliding rod is provided with a ball groove, the inner wall of the ball groove is rotatably sleeved with a sliding ball, the outer portion of the sliding ball is in rolling contact with the inner wall of one side of the sliding groove, and the other end of the electric valve body is fixedly communicated with a water inlet pipe through a flange.

[0014] Compared with the prior art, the electric valve body with intelligent control has the advantages that:

[0015] In the electric valve body with intelligent control, the driving execution mechanism and the pressure monitoring mechanism are used in cooperation, so that the water pressure in the water supply pipe can be monitored in real time, and when the pressure is higher or lower than the set value, an electric signal is sent to the servo motor, so that the valve rod is automatically driven to rotate and adjust, and the pressure sensor indirectly monitors the water pressure, thereby avoiding abrasion of the probe and affecting the measurement accuracy, and the service life is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A main body structure schematic diagram of the electric valve body with intelligent control is provided in the utility model.

[0017] Figure 2 A three-dimensional view of a mounting shell structure of an electric valve body with intelligent control provided by the present application is shown in the figure.

[0018] Figure 3 A three-dimensional view of a monitoring sleeve structure of an electric valve body with intelligent control provided by the present application is shown in the figure.

[0019] Figure 4 An exploded view of a sliding rod structure of an electric valve body with intelligent control provided by the present application is shown in the figure.

[0020] Legend: 1, electric valve body; 2, mounting shell; 21, valve stem; 22, worm gear; 23, maintenance cover; 24, servo motor; 25, worm; 3, water supply pipe; 31, monitoring sleeve; 32, piston block; 33, guide sleeve; 34, pressure rod; 35, pressure sensor; 36, supporting spring; 37, sliding groove; 38, sliding rod; 39, ball groove; 310, sliding ball; 4, water inlet pipe. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In order to facilitate understanding of the present application, the present application will be more fully described below with reference to the related description, and several embodiments of the present application are given. However, the present application can be realized in many different forms, and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0023] It should be noted that when an element is referred to as being "fixedly attached" to another element, it can be directly on the other element or there can be an intervening element between them. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element between them. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only.

[0024] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items. Example

[0025] like Figures 1-4 As shown, this utility model provides a technical solution: an electric valve body with intelligent control, including an electric valve body 1, a drive actuator is provided on the top of the electric valve body 1, and the drive actuator includes a mounting shell 2, a valve stem 21, a worm gear 22, a maintenance cover 23, a servo motor 24 and a worm 25, which drives the valve stem 21 to rotate and adjust through the drive actuator;

[0026] A pressure monitoring mechanism is provided on one side of the electric valve body 1. The pressure monitoring mechanism includes a water supply pipe 3, a monitoring sleeve 31, a piston block 32, a guide sleeve 33, a pressure rod 34, and a pressure sensor 35. The pressure monitoring mechanism is used to monitor the water pressure in the water supply pipe 3.

[0027] By monitoring the water pressure in the water supply pipe 3 in real time, and sending an electrical signal to the servo motor 24 when the pressure is higher or lower than the set value, the servo motor 24 is automatically driven to rotate the valve stem 21 for adjustment. Furthermore, by indirectly monitoring the water pressure through the pressure sensor 35, the wear of the probe and the impact on measurement accuracy are avoided, thereby improving the service life of the probe.

[0028] The lower end of the mounting housing 2 is fixedly connected to the upper end of the electric valve body 1. The inner bottom wall of the mounting housing 2 is rotatably connected to the outside of the valve stem 21 through a bearing. The lower end of the valve stem 21 penetrates and extends into the interior of the electric valve body 1. The outside of the valve stem 21 is fixedly sleeved with the inner wall of the worm gear 22. The lower end of the valve stem 21 is fixedly connected to the valve body. Since the valve body is existing technology, it is not shown in the figure. The rotation of the worm gear 22 will drive the valve stem 21 to rotate, thereby driving the valve body to adjust.

[0029] The upper end of the maintenance cover 23 is hinged to the upper end of the installation shell 2 through a hinge, the lower end of the servo motor 24 is installed to the inner bottom wall of the installation shell 2, one end of the worm 25 is fixedly connected with the output shaft of the servo motor 24 through a shaft coupling, the outer surface of the worm 25 is engaged with the tooth surface of the worm wheel 22, the servo motor 24 is a high-precision electric actuator which can accurately control the direction and speed of rotation according to instructions, the servo motor 24 drives the worm 25 to rotate clockwise, the worm 25 is a transmission component with a special spiral shape, and the rotation of the worm 25 can transmit power and change the direction of movement, and the rotation of the worm 25 drives the valve rod 21 to rotate through the engaged worm wheel 22. The cooperation of the worm wheel 22 and the worm 25 is a common transmission mode, which has a large transmission ratio and self-locking function.

[0030] One end of the water supply pipe 3 is fixedly communicated with one end of the electric valve body 1 through a flange, the water supply pipe 3 plays a key conveying role in the whole system, one end of the water supply pipe 3 is fixedly communicated with one end of the electric valve body 1 through a flange, and the flange connection is a common and reliable connection mode which can ensure that the connection between the water supply pipe 3 and the electric valve body 1 is tight and firm.

[0031] The lower end of the monitoring sleeve 31 is fixedly communicated with the outside of the water supply pipe 3, and the upper end of the pressure sensor 35 is fixedly installed to the inner top wall of the monitoring sleeve 31. The pressure sensor 35 is responsible for converting the water pressure signal into an electric signal in the system for monitoring and control.

[0032] The outer part of the piston block 32 is movably sleeved with the inner wall of the monitoring sleeve 31, the lower end of the guide sleeve 33 is fixedly connected with the upper end of the piston block 32, and the outer part of the pressure rod 34 is movably sleeved with the inner wall of the guide sleeve 33. The lower end of the pressure rod 34 is fixedly connected with the supporting spring 36. The upward movement of the guide sleeve 33 is to respond to the change of water pressure, which plays a role in transmitting pressure and guiding the direction of movement. The supporting spring 36 plays a role in buffering and transmitting pressure in the process, and when the guide sleeve 33 rises, the supporting spring 36 is compressed, and the elastic potential energy gradually increases.

[0033] One end of the supporting spring 36 is fixedly connected with the inner bottom wall of the guide sleeve 33, the upper end of the pressure rod 34 is in contact with the lower end of the pressure sensor 35, the inner wall of the monitoring sleeve 31 is provided with symmetrically distributed sliding grooves 37, the outer portion of the guide sleeve 33 is fixedly connected with symmetrically distributed sliding rods 38, the elastic force of the supporting spring 36 is applied to the pressure sensor 35 through the pressure rod 34, the pressure rod 34 serves as a medium for transmitting force, and accurately transmits the elastic force of the supporting spring 36 to the pressure sensor 35, the pressure sensor 35 is a very sensitive device, which can perceive the slight change of pressure and convert it into an electrical signal, the pressure sensor 35 sends the pressure signal to the external single-chip microcomputer, the single-chip microcomputer is the control core of the whole system, receives the signal from the pressure sensor 35 and processes and analyzes the signal, the single-chip microcomputer pre-stores the set pressure value, compares the received actual pressure signal with the set pressure, and judges whether the water pressure in the water supply pipe 3 exceeds the safe range.

[0034] One end of the sliding rod 38 is slidably connected with the inner wall of the sliding groove 37, and the sliding rod 38 slides along the sliding groove 37, so that the movement of the guide sleeve 33 in the vertical direction is stable and cannot shake or deviate.

[0035] One end of the sliding rod 38 is slidably connected with the inner wall of the sliding groove 37, and the sliding rod 38 slides along the sliding groove 37, so that the movement of the guide sleeve 33 in the vertical direction is stable and cannot shake or deviate.

[0036] The utility model discloses a working process:

[0037] Step one, sewage is transported to the water supply pipe 3 through the electric valve body 1 through the water inlet pipe 4, and the water pressure in the water supply pipe 3 extrudes the piston block 32 in its interior through the monitoring sleeve 31, when the water pressure exceeds the set value, the water pressure drives the guide sleeve 33 to move upwards at this moment, the upward movement of the guide sleeve 33 is stably moved through the cooperation of the sliding groove 37 and the sliding rod 38, and the cooperation of the ball groove 39 and the sliding ball 310 makes the sliding ball 310 roll in contact with the inner wall of the sliding groove 37, and the moving friction is reduced.

[0038] Step two, the ascending movement of the guide sleeve 33 makes the supporting spring 36 contract, the elastic force of the supporting spring 36 is applied to the pressure sensor 35 through the pressure rod 34, the pressure sensor 35 sends a pressure signal to an external single-chip microcomputer, the single-chip microcomputer compares the set pressure, when the set pressure is exceeded, the servo motor 24 is started to drive the worm 25 to rotate clockwise, the rotation of the worm 25 drives the valve rod 21 to rotate through the meshed worm gear 22, thereby adjusting the opening angle of the valve body, reducing the opening angle of the valve body;

[0039] Step three, conversely, when the water pressure in the water supply pipe 3 is lower than the set value, the elastic force of the supporting spring 36 will drive the piston block 32 to move downward through the guide sleeve 33, at this time the potential energy of the elastic force of the supporting spring 36 is reduced, so that the pressure of the pressure rod 34 on the pressure sensor 35 is also reduced, at this time the single-chip microcomputer controls the servo motor 24 to drive the worm 25 to rotate counterclockwise, thereby driving the valve rod 21 to rotate in the opposite direction, increasing the opening angle of the valve body.

[0040] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An electrically operated valve body with intelligent control comprising an electrically operated valve body (1) characterized by: The upper portion of the electric valve body (1) is provided with a driving execution mechanism, and the driving execution mechanism comprises a mounting shell (2), a valve rod (21), a worm wheel (22), an overhauling cover (23), a servo motor (24) and a worm (25), which drives the valve rod (21) to rotate and adjust. The side of the electric valve body (1) is provided with a pressure monitoring mechanism, and the pressure monitoring mechanism comprises a water supply pipe (3), a monitoring sleeve (31), a piston block (32), a guide sleeve (33), a pressure rod (34) and a pressure sensor (35), which realizes the monitoring of the water pressure in the water supply pipe (3).

2. The electrically operated valve body with intelligent control according to claim 1, characterized in that: The lower end of the mounting shell (2) is fixedly connected with the upper end of the electric valve body (1), the inner bottom wall of the mounting shell (2) is rotatably connected with the outer portion of the valve rod (21) through a bearing, the lower end of the valve rod (21) penetrates and extends into the electric valve body (1), and the outer portion of the valve rod (21) is fixedly sleeved with the inner wall of the worm wheel (22).

3. The electrically operated valve body with intelligent control according to claim 1, wherein: The upper end of the overhauling cover (23) is hinged with the upper end of the mounting shell (2) through a hinge, the lower end of the servo motor (24) is installed on the inner bottom wall of the mounting shell (2), one end of the worm (25) is fixedly connected with the output shaft of the servo motor (24) through a shaft coupling, and the outer surface of the worm (25) is engaged with the tooth surface of the worm wheel (22).

4. The electrically powered valve body with intelligent control according to claim 1, characterized in that: One end of the water supply pipe (3) is fixedly communicated with one end of the electric valve body (1) through a flange, the lower end of the monitoring sleeve (31) is fixedly communicated with the outer portion of the water supply pipe (3), and the upper end of the pressure sensor (35) is fixedly installed on the inner top wall of the monitoring sleeve (31).

5. The electrically powered valve body with intelligent control according to claim 1, characterized in that: The outer portion of the piston block (32) is movably sleeved with the inner wall of the monitoring sleeve (31), the lower end of the guide sleeve (33) is fixedly connected with the upper end of the piston block (32), the outer portion of the pressure rod (34) is movably sleeved with the inner wall of the guide sleeve (33), and the lower end of the pressure rod (34) is fixedly connected with a supporting spring (36).

6. An electrically powered valve body with intelligent control according to claim 5, characterized in that: One end of the supporting spring (36) is fixedly connected with the inner bottom wall of the guide sleeve (33), the upper end of the pressure rod (34) is in contact with the lower end of the pressure sensor (35), the inner wall of the monitoring sleeve (31) is provided with symmetrically distributed sliding grooves (37), and the outer portion of the guide sleeve (33) is fixedly connected with symmetrically distributed sliding rods (38).

7. An electrically powered valve body with intelligent control according to claim 6, characterized in that: One end of the sliding rod (38) is slidably inserted into the inner wall of the sliding groove (37), one end of the sliding rod (38) is provided with a ball groove (39), the inner wall of the ball groove (39) is rotatably sleeved with a sliding ball (310), the outer portion of the sliding ball (310) is in rolling contact with one side of the inner wall of the sliding groove (37), and the other end of the electric valve body (1) is fixedly communicated with a water inlet pipe (4) through a flange.

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