CN211951604U

CN211951604U - Intelligent piston valve

Info

Publication number: CN211951604U
Application number: CN201922092057.XU
Authority: CN
Inventors: 黄靖; 刘浩; 彭麒霖; 齐浩; 欧立涛; 曹叶芝
Original assignee: ZHUZHOU SOUTHERN VALVE CO Ltd
Current assignee: ZHUZHOU SOUTHERN VALVE CO Ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-11-17
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to the technical field of valves, a intelligence piston valve is disclosed, including the valve body, locate the disk seat of valve body exit end, be located the valve body inner chamber and can follow the piston that the valve body guide rail slided, the squirrel cage is connected to the piston front end, and a stifle is encircleed in the laminating of piston periphery. The side surface of the piston valve is provided with a data acquisition control device, the data acquisition control device comprises a processor, a storage chip and an I/O interface, the processor is respectively connected with the storage chip and the I/O interface, the data acquisition control device is connected with a sensor and equipment through the RS485 bus through the I/O interface, and the data acquisition control device can be compatible with various different signal forms for transmission and supports various communication modes; data on each equipment can intelligent collection transmission, each equipment of real-time supervision plays and promotes valve and system security, reliability.

Description

Intelligent piston valve

Technical Field

The utility model relates to the technical field of valves, specifically, relate to an intelligent piston valve.

Background

The piston type regulating valve is mainly used in pipe network systems of town water supply, industrial water supply, mine water, power plants, water diversion projects and the like, and has the functions of regulating flow, dissipating energy, emptying, reducing pressure, regulating pressure and the like. Especially, the excellent adjusting and controlling functions are more obvious under the working conditions of large caliber, high pressure and large pressure difference, and the device has the characteristics of energy dissipation, noise reduction, vibration reduction and cavitation erosion prevention.

The traditional piston valve is characterized in that a crank connecting rod and the like are arranged between a motor and a turbine box to realize gear transmission so that a piston can do reciprocating motion to work, the piston valve is complex and heavy in structure, the friction force of the motor and the turbine box at the joint is large, the torque is increased invisibly, a water retaining ring and the like are required to be arranged at the entering position when the connecting rod extends into a valve body from the outside of the valve body, and the connecting rod can generate certain resistance to a flow passage to influence the flow state of fluid. Meanwhile, the traditional piston valve can only be controlled by manpower to open and close the valve, so that the intelligent operation and maintenance cannot be realized, the real-time condition of the valve cannot be monitored, and the valve can be automatically adjusted and sent out an alarm instruction according to the problems or faults in the valve, thereby causing water resource loss and waste.

Disclosure of Invention

The utility model provides a technical problem lie in overcoming prior art's defect, provide an intelligent collection transmission data, automatic control, with low costs, the small and exquisite simple intelligent piston valve of structure.

The purpose of the utility model is realized through the following technical scheme:

the intelligent piston valve comprises a valve body, a valve seat arranged at the outlet end of the valve body and a piston which is positioned in an inner cavity of the valve body and can slide along a guide rail of the valve body, wherein the front end of the piston is connected with a squirrel cage, and the periphery of the piston is attached to and surrounds a blank cap; the data acquisition control device is integrated with a processor, a storage chip and an I/O interface, the processor is respectively connected with the storage chip and the I/O interface, the data acquisition control device is connected with the sensor and the equipment through the RS485 bus through the I/O interface, and the data acquisition control device can be compatible with various different signal forms for transmission and supports various communication modes.

Furthermore, the data acquisition control device supports a GPRS/4G/LoRa/MBUS/RS485 communication mode.

Furthermore, the data acquisition control device can transmit data by using digital quantity, analog quantity and switching value signals.

Further, a processor in the data acquisition control device integrates simulation operation data of a hydraulic model and a device characteristic curve.

Further, the smart piston valve employs distributed control.

Further, a vibration sensor is installed on the surface of the valve body.

Furthermore, a noise sensor, a pressure sensor, a flow sensor and a water quality sensor are arranged in the valve body.

Furthermore, the processor is integrated with common valve fault and valve operation characteristic data, a health diagnosis knowledge base is constructed, and the safety of the valve is accurately and timely judged.

Compared with the prior art, the utility model discloses following beneficial effect has:

the modern internet of things technology is integrated, flow, pressure and action positions in the piston valve can be monitored in real time, data are stored and transmitted, corresponding adjustment is made according to different conditions in the valve, faults are restrained, and safety and reliability of the valve and a system are improved.

Drawings

Fig. 1 is a schematic structural view of an intelligent piston valve according to embodiment 1 (a valve body, a blank cap, and the like are cut open);

fig. 2 is a frame diagram of the data acquisition control device.

Wherein: 1 is a valve body; 2 is a valve seat; 3, a squirrel cage; 31 is an overflowing hole; 4 is a piston; 5 is a blank cap; and 6 is a driving device.

Detailed Description

The invention will be further described with reference to specific embodiments, wherein the drawings are designed solely for the purpose of illustration and not as a definition of the limits of the patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

Example 1

As shown in fig. 1-2, an intelligent piston valve is provided, which comprises a valve body, locate the valve body exit end and with the disk seat of the interior aperture adaptation of valve body, be located the valve body inner chamber and can follow the piston that the valve body guide rail slided, squirrel cage 3 is connected to the piston front end, the discharge orifice that a plurality of confession media overflowed has been arranged to squirrel cage circumference, the squirrel cage is located the inside one end of valve body and is connected with the piston, the laminating of piston periphery encircles a stifle, stifle inside has accommodation space and is used for installing drive arrangement, drive arrangement passes through the bolt installation to be fixed at the stifle blind end, including the treater among the data acquisition control device, storage chip, the IO interface, the treater links to each other in storage chip and IO interface respectively, data acquisition control device passes through the IO interface by RS485 bus and.

Each sensor collects and transmits data in real time to the data collection control device, the data collection control device is used for processing the data, when the collected data exceed the maximum value of the set range, the processor judges the fault of the device, and the data collection control device sends out an alarm signal to inform workers of timely processing.

In an off-line state, each sensor collects and transmits data to the data collection control device in real time, the collected data is compared with a set value range set in the processor, if the collected data does not exceed the set range minimum value, the data record is stored in the storage chip, if the collected data exceeds the set range but does not exceed the set range maximum value, a reasonable scheme can be analyzed and arranged automatically according to the current data by the hydraulic model data integrated in the processor while the data record is recorded in the storage chip, and the collected data is transmitted to the device to act through the data collection device, so that the collected data is controlled in a reasonable range.

The outer surface of the driving device is provided with a pressure sensor, pressure data are transmitted to the data acquisition control device in real time, the set value range in the processor is compared, when the set value range is exceeded, the processor automatically analyzes the model data to obtain an optimal processing scheme aiming at the current working condition, the optimal processing scheme is transmitted to the driving device through the I/O interface, the driving device executes the processing according to the instruction in the scheme, and the pressure in the valve is adjusted until the acquired pressure data are within the set value range.

The intelligent piston valve integrates the modern Internet of things technology, can monitor the flow, the pressure and the action position in the piston valve in real time, stores and transmits data, makes corresponding adjustment according to different conditions in the valve, inhibits the occurrence of faults, and improves the safety and the reliability of the valve and a system.

Example 2

Different from the embodiment 1, in the state that the valve is connected with the system through the network, the data acquired by the data acquisition control device is compared by the processor and exceeds the set data range in the processor, the data acquisition control device transmits the data to the upper end control platform, the control platform sends a corresponding control command to be transmitted to the processor and transmits the control command to the control device through the processor, and the device makes a corresponding action so that the acquired data is controlled in the set value range.

It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The intelligent piston valve is characterized by comprising a data acquisition control device and a valve body; the outlet end of the valve body is provided with a valve seat, the piston is positioned in the inner cavity of the valve body and can slide along the guide rail of the valve body, the front end of the piston is connected with a squirrel cage, and the periphery of the piston is attached to and surrounds a blank cap; the data acquisition control device is installed in the piston valve side, and including treater, storage chip, IO interface in the data acquisition control device, the treater links to each other in storage chip and IO interface respectively, and the data acquisition control device passes through the IO interface and is linked to each other by RS485 bus and sensor, equipment, can compatible multiple different signal form transmission, supports multiple communication mode.

2. The intelligent piston valve as claimed in claim 1, wherein the data acquisition control device supports GPRS/4G/LoRa/MBUS/RS485 communication.

3. The intelligent piston valve as claimed in claim 1, wherein the data acquisition control means supports data transmission of digital quantity, analog quantity and switching quantity signals.

4. The intelligent piston valve as claimed in claim 1, wherein the processor in the data acquisition and control device integrates simulation operation data of the hydraulic model and the device characteristic curve.

5. The smart piston valve of claim 1, wherein the smart piston valve employs distributed control.

6. The intelligent piston valve of claim 1 wherein the valve body is surface mounted with a vibration sensor.

7. The intelligent piston valve of claim 1, wherein a noise sensor, a pressure sensor, a flow sensor, a water quality sensor are mounted in the valve body.

8. The intelligent piston valve as claimed in claim 1, wherein the data acquisition and control device is integrated with the processor to build a knowledge base for health diagnosis and accurately and timely judge the safety of the valve.