CN112506115A - Multi-gear control method and control device based on fluid fluctuation signals - Google Patents
Multi-gear control method and control device based on fluid fluctuation signals Download PDFInfo
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- CN112506115A CN112506115A CN202011596570.3A CN202011596570A CN112506115A CN 112506115 A CN112506115 A CN 112506115A CN 202011596570 A CN202011596570 A CN 202011596570A CN 112506115 A CN112506115 A CN 112506115A
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- 230000007246 mechanism Effects 0.000 claims description 20
- 238000004891 communication Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 8
- 230000008054 signal transmission Effects 0.000 abstract description 2
- 210000001503 joint Anatomy 0.000 description 4
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/23—Pc programming
- G05B2219/23051—Remote control, enter program remote, detachable programmer
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Abstract
The invention aims to provide a multi-gear control method and a multi-gear control device based on a fluid fluctuation signal, so as to meet the requirement that the fluid fluctuation signal is required to realize multi-gear control in some occasions. The invention discloses a multi-gear control method based on a fluid fluctuation signal, which comprises the following steps: according to the control requirement, applying disturbance to fluid flowing in a fluid pipeline at a control end to enable the fluid to generate a disturbance signal propagating along the fluid in the fluid pipeline, then measuring the disturbance signal at a receiving end and converting the disturbance signal into a corresponding control signal; the control end and the receiving end are respectively two different positions of the fluid pipeline along the fluid flowing direction; there are at least two of the perturbations. The invention uses fluid as a carrier for signal transmission, realizes the multi-gear control method and the control device based on the fluid fluctuation signal, can meet the requirement of realizing multi-gear control by using the fluid fluctuation signal in certain occasions, is convenient to control and has good practicability.
Description
Technical Field
The invention belongs to the technical field of control, and particularly relates to a multi-gear control method and a multi-gear control device based on a fluid fluctuation signal.
Background
Today, the rapid development of science and technology has made people demand higher and higher control technology. In the control field, at present, the control of the equipment is mainly realized by a circuit, a network and the like, and in order to realize the control centralized management or the remote control of the equipment, a corresponding control line is generally required to be designed and arranged, which generally requires a large investment and does not meet the economic requirement. In the situation of fluid pipeline, if the pipeline fluid is used to realize the relevant control function, the additional expense caused by the transmission of control signals by systems such as additional circuits, networks and the like can be avoided, thereby greatly saving the expense.
Moreover, in some fields with flammability, explosiveness, no-pass circuit and bad network, it will cause great difficulty to implement the traditional control method, but if there is a fluid transmission pipeline in such occasions, it can use the fluctuation signal of the fluid in the transmission pipeline to implement multi-gear control.
Disclosure of Invention
The invention aims to provide a multi-gear control method and a multi-gear control device based on a fluid fluctuation signal, so as to meet the requirement that the fluid fluctuation signal is required to realize multi-gear control in some occasions.
The invention discloses a multi-gear control method based on a fluid fluctuation signal, which comprises the following steps: according to the control requirement, applying disturbance to fluid flowing in a fluid pipeline at a control end to enable the fluid to generate a disturbance signal propagating along the fluid in the fluid pipeline, then measuring the disturbance signal at a receiving end and converting the disturbance signal into a corresponding control signal; the control end and the receiving end are respectively two different positions of the fluid pipeline along the fluid flowing direction; there are at least two of the perturbations.
Specifically, the disturbance is a fluid flow fluctuation formed by arranging a rotatable impeller in a control end, and the receiving end converts the fluid flow into a corresponding electric control signal by adopting a hydraulic generator.
The invention has proposed the multi-gear controlling device based on fluctuation signal of fluid of the above-mentioned control method specializedly, including the fluid pipeline, the said fluid pipeline has controllers and receivers in two different positions along the fluid flow direction separately, the key lies in, the said controller includes utilizing the inflow entrance, flow outlet to connect to the cavity on the fluid pipeline, there are movable mechanisms in the said cavity, there are at least two communicating pipes on the said movable mechanism, there are rotating impellers formed by spindle and blade in the said communicating pipe, the blade shape and/or quantity in different communicating pipes are different; the outside of the chamber is provided with an operating mechanism for controlling the action of the movable mechanism so as to enable the required communicating pipe to connect the inflow port and the outflow port; the receiver is a hydro-generator connected to the fluid conduit.
At the control end, a user operates the operating mechanism to enable the movable mechanism to act in the chamber, a required communicating pipe is in butt joint with the inflow port and the outflow port, so that fluid flows through the communicating pipe to impact the rotating impeller in the communicating pipe, fluid disturbance corresponding to the rotating impeller is formed, specifically, fluid flow fluctuation corresponding to the rotating impeller is formed, at the receiving end, the hydraulic generator converts the flow of the fluid into an electric signal, when the flow of the fluid fluctuates, the electric signal naturally generates fluctuation corresponding to the flow fluctuation, and therefore the fluid disturbance at the control end is converted into an electric control signal at the receiving end. Specifically, when fluid flows through the impeller, the fluid generally fluctuates with different periods similar to sine curves (or cosine curves) with amplitudes larger than 0 according to the shape and the number of the impeller blades. The more the number of blades is, the more the fluctuation of the impeller is generated by one rotation is, at the same fluid flow rate. When the fluid flow speed is high, the impeller rotates fast, and the frequency of the generated fluctuation signal is correspondingly high. Therefore, when fluid flows through the impellers at different flow rates, the generated fluctuation signals are inconsistent, but the change rule of the fluctuation signals is consistent, and the different fluctuation signals generated by different impellers can be distinguished after the flow rate is measured. Of course, the user can connect a system for realizing multi-gear control according to different electric control signals output by the hydraulic generator at the output end of the hydraulic generator according to the requirement.
The number of the communicating pipes can be set according to specific needs so as to correspond to different gear signals, and the communication pipes are not repeated here.
Further, the chamber is formed by an inflow end cover and an outflow end cover, and the movable mechanism is a circular turntable; the inflow port is arranged on the inflow end cover, the outflow port is arranged on the outflow end cover, and the inflow port is opposite to the outflow port; the rotary disc is positioned between the inflow end cover and the outflow end cover, the outer end face of the rotary disc is movably connected with the inflow end cover and the outflow end cover respectively in a rotary sealing mode, and two ends of a rotary shaft of the rotary disc are connected with the inflow end cover and the outflow end cover respectively; the communicating pipes are arranged on the turntable at intervals, and all the communicating pipes are positioned on a circle taking the rotating shaft as the center of circle; the two ends of the communicating pipe are respectively exposed out of the two sides of the turntable, and when the communicating pipe rotates to the position of the outflow port, the two ends of the communicating pipe are respectively connected with the inflow port and the outflow port in a sealing manner; the operating mechanism is a handle connected to the outer end face of the rotary disc. When the handle is pulled, the rotating disc can be driven to rotate in the chamber, so that the required communicating pipe rotates to the inflow port and the outflow port and is in butt joint with the inflow port and the outflow port to form a channel for fluid to flow through. Of course, corresponding marks may be provided on the outer end surface of the turntable and the inlet end cap (or the outlet end cap), and the communication pipe can be aligned with the inlet (and the outlet) by aligning the mark indicating the position of the communication pipe of the turntable with the mark indicating the position of the inlet (or the outlet).
Further, the communication pipe has two types of butt joint with the inflow port and the outflow port:
1. an inflow cavity is formed between the rotary disc and the inflow end cover, and an outflow cavity is formed between the rotary disc and the outflow end cover; an inflow pipe extending into the inflow chamber is arranged at the inflow opening, and the end part of the inflow pipe is contacted with the side surface of the rotary table; an outflow pipe extending into the outflow chamber is arranged at the outflow port, and the end part of the outflow pipe is contacted with the side surface of the rotary table; and two ends of the communicating pipe are respectively flush with the corresponding side surfaces of the turntables.
2. Two ends of the communicating pipe respectively protrude out of two sides of the turntable and are respectively contacted with the inner side surface of the inflow end cover or the outflow end cover.
Further, the communicating pipes are uniformly arranged on the rotary disc at intervals, so that the gear shifting operation is more visual.
The invention uses fluid as a carrier for signal transmission, realizes the multi-gear control method and the control device based on the fluid fluctuation signal, can meet the requirement of realizing multi-gear control by using the fluid fluctuation signal in certain occasions, is convenient to control and has good practicability.
Drawings
Fig. 1 is an overall view of a control device of embodiment 1.
Fig. 2 is a schematic structural diagram of the controller in embodiment 1.
Fig. 3 is a schematic structural view of the turntable in embodiment 1.
Fig. 4 is a schematic structural view of the connection pipe in example 1 in butt joint with the inflow pipe and the outflow pipe.
The figures are numbered: 1. a fluid conduit; 2. a controller; 3. a receiver; 4. an inflow port; 5. an outflow port; 6. a communicating pipe; 7. rotating the impeller; 8. an inflow end cap; 9. an outflow end cap; 10. a turntable; 11. a groove; 12. a rib; 13. a rotating shaft; 14. an inflow chamber; 15. an outflow chamber; 16. an inflow pipe; 17. an outflow tube; 18. a handle.
Detailed Description
The following describes embodiments of the present invention, such as shapes and structures of respective members, mutual positions and connection relationships between respective portions, and actions and operation principles of the respective portions, in further detail, with reference to the accompanying drawings.
Example 1:
the embodiment provides a multi-gear control method and a multi-gear control device based on a fluid fluctuation signal, so as to meet the requirement that the multi-gear control is realized by utilizing the fluid fluctuation signal in some occasions.
The multi-gear control method based on the fluid fluctuation signal of the embodiment is as follows: according to the control requirement, applying disturbance to fluid flowing in a fluid pipeline at a control end to enable the fluid to generate a disturbance signal propagating along the fluid in the fluid pipeline, then measuring the disturbance signal at a receiving end and converting the disturbance signal into a corresponding control signal; the control end and the receiving end are respectively two different positions of the fluid pipeline along the fluid flowing direction; there are at least two of the perturbations.
Specifically, the disturbance is a fluid flow fluctuation formed by arranging a rotatable impeller in a fluid pipeline, and the receiving end converts the fluid flow into an electric control signal by adopting a hydraulic generator.
The present embodiment proposes a fluid fluctuation signal-based multi-stage control device dedicated to the above-mentioned control method, and as shown in fig. 1, the multi-stage control device comprises a fluid pipeline 1, the fluid pipeline 1 is respectively provided with a controller 2 and a receiver 3 at two different positions along the fluid flow direction, wherein the receiver 3 is a miniature hydro-generator connected to the fluid pipeline 1.
As shown in fig. 2 and 3, the controller 2 includes a chamber connected to the fluid conduit 1 by an inflow port 4 and an outflow port 5, a movable mechanism is disposed in the chamber, at least two communicating pipes 6 are disposed on the movable mechanism, a rotating impeller 7 composed of a rotating shaft and blades is disposed in the communicating pipes 6, the blades in different communicating pipes 6 have different shapes and/or numbers, and the number of the blades is more than three; an operating mechanism for controlling the action of the movable mechanism so that the required communication pipe 6 connects the inflow port 4 and the outflow port 5 is arranged outside the chamber. In this embodiment, the openings at the two ends of the communication pipe 6 are eccentric to the rotating shaft of the rotating impeller 7, so that one side of the rotating impeller 7 is opposite to the openings at the two ends of the communication pipe 6, and thus when fluid flows through the communication pipe 6, one side of the rotating impeller 7 can be impacted, and the rotating impeller 7 rotates around the rotating shaft.
Further, the chamber is formed by an inflow end cover 8 and an outflow end cover 9 which are of disc structures, and the movable mechanism is a circular turntable 10; the inflow port 4 is arranged on an inflow end cap 8, the outflow port 5 is arranged on an outflow end cap 9, and the inflow port 4 is opposite to the outflow port 5; the rotary disc 10 is positioned between the inflow end cover 8 and the outflow end cover 9, annular grooves 11 are designed on the inner side surfaces of the outer edges of the inflow end cover 8 and the outflow end cover 9, annular convex ridges 12 which are movably clamped into the annular grooves 11 are designed on the two sides of the outer edge of the rotary disc 10, and after sealing rubber rings are arranged in the grooves 11 of the inflow end cover 8 and the outflow end cover 9, the rotary disc 10 can be connected with the rotary disc in a rotating and sealing mode. Two ends of a rotating shaft 13 of the rotating disc 10 are respectively connected with the inflow end cover 8 and the outflow end cover 9; the communicating pipes 6 are uniformly arranged on the turntable 10 at intervals, and all the communicating pipes 6 are positioned on a circle with the rotating shaft 13 as the center of circle; two ends of the communication pipe 6 are respectively exposed at two sides of the turntable 10, and when the communication pipe 6 rotates to the position of the outlet 5, two ends of the communication pipe 6 are respectively connected with the inlet 4 and the outlet 5 in a sealing way; the operating mechanism is a handle 18 connected to the outer end face of the turntable 10.
In the embodiment, an inflow chamber 14 is formed between the rotary disc 10 and the inflow end cover 8, and an outflow chamber 15 is formed between the rotary disc 10 and the outflow end cover 9; an inflow pipe 16 extending into the inflow chamber 14 is arranged at the inflow port 4, and the end part of the inflow pipe 16 is contacted with the side surface of the rotating disc 10; an outflow pipe 17 extending into the outflow chamber 15 is arranged at the outflow port 5, the end part of the outflow pipe 17 is contacted with the side surface of the rotary disc 10, the diameter of the opening at the two ends of the connecting pipe is equal to the diameter of the inflow pipe 16 and the outflow pipe 17, and the end parts of the inflow pipe 16 and the outflow pipe 17 are both provided with annular sealing rubber rings; the two ends of the communicating pipe 6 are respectively flush with the corresponding side surfaces of the turnplate 10.
At the control end, when a user pulls the handle 18, the turntable 10 can be driven to rotate in the chamber, so that the required communicating pipe 6 is rotated to the inflow port 4 and the outflow port 5, and is butted with an inflow pipe 16 at the inflow port 4 and an outflow pipe 17 at the outflow port 5 to form a passage through which the fluid flows (as shown in fig. 4), when the fluid flows through the rotary impeller 7 in the communicating pipe 6, will impact the rotating impeller 7, different rotating impellers 7 will create different resistance effects on the fluid, thereby generating a disturbance of the fluid in correspondence with the rotating impeller 7, and in particular, a fluctuation of the fluid flow in correspondence with the rotating impeller 7, at the receiving end, the hydraulic generator converts the flow of the fluid into an electric signal, and when the flow of the fluid fluctuates, the electric signal naturally has fluctuation corresponding to the flow fluctuation, so that the fluid disturbance of the control end is converted into the electric control signal of the receiving end. The number of the communicating pipes 6 can be set according to specific requirements so as to correspond to different gear signals, and the details are not repeated herein.
Of course, the outer end surface of the turntable 10 and the inflow end cap 8 (or the outflow end cap 9) may be provided with corresponding marks, and the communication tube 6 may be aligned with the inflow port 4 (and the outflow port 5) by aligning the mark indicating the position of the communication tube 6 of the turntable 10 with the mark indicating the position of the inflow port 4 (or the outflow port 5).
The communication pipe 6 may be provided with one communication pipe 6 having no rotary impeller 7 therein, and when the communication pipe 6 is butted against the inlet pipe 16 and the outlet pipe 17, the fluid can flow without being obstructed.
The invention has been described in connection with the accompanying drawings, it is to be understood that the invention is not limited in its application to the details of construction and the arrangement of the components set forth in the following description, as long as the invention is capable of being practiced without modification in any way whatsoever, and is capable of other applications without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (7)
1. A multi-gear control method based on a fluid fluctuation signal is characterized in that according to control requirements, disturbance is applied to fluid flowing in a fluid pipeline at a control end, so that the fluid generates a disturbance signal propagating along the fluid in the fluid pipeline, then the disturbance signal is measured at a receiving end, and the disturbance signal is converted into a corresponding control signal; the control end and the receiving end are respectively two different positions of the fluid pipeline along the fluid flowing direction; there are at least two of the perturbations.
2. The multi-stage control method based on fluid fluctuation signals according to claim 1, wherein the disturbance is fluid flow fluctuation formed by arranging a rotatable impeller in a control end, and the receiving end converts the fluid flow fluctuation into corresponding electric control signals by using a hydraulic generator.
3. A multi-gear control device based on fluid fluctuation signals comprises a fluid pipeline, wherein a controller and a receiver are respectively arranged at two different positions of the fluid pipeline along the flowing direction of fluid, the multi-gear control device is characterized in that the controller comprises a chamber which is connected to the fluid pipeline by using an inflow port and an outflow port, a movable mechanism is arranged in the chamber, at least two communicating pipes are arranged on the movable mechanism, a rotating impeller consisting of a rotating shaft and blades is arranged in the communicating pipes, and the shapes and/or the number of the blades in different communicating pipes are different; the outside of the chamber is provided with an operating mechanism for controlling the action of the movable mechanism so as to enable the required communicating pipe to connect the inflow port and the outflow port; the receiver is a hydro-generator connected to the fluid conduit.
4. The multi-gear control device based on the fluid fluctuation signal according to claim 3, wherein the chamber is formed by an inflow end cover and an outflow end cover, and the movable mechanism is a circular turntable; the inflow port is arranged on the inflow end cover, the outflow port is arranged on the outflow end cover, and the inflow port is opposite to the outflow port; the rotary disc is positioned between the inflow end cover and the outflow end cover, the outer end face of the rotary disc is movably connected with the inflow end cover and the outflow end cover respectively in a rotary sealing mode, and two ends of a rotary shaft of the rotary disc are connected with the inflow end cover and the outflow end cover respectively; the communicating pipes are arranged on the turntable at intervals, and all the communicating pipes are positioned on a circle taking the rotating shaft as the center of circle; the two ends of the communicating pipe are respectively exposed out of the two sides of the turntable, and when the communicating pipe rotates to the position of the outflow port, the two ends of the communicating pipe are respectively connected with the inflow port and the outflow port in a sealing manner; the operating mechanism is a handle connected to the outer end face of the rotary disc.
5. The multi-gear control device based on the fluid fluctuation signal according to claim 4, wherein an inflow chamber is formed between the rotary disc and the inflow end cover, and an outflow chamber is formed between the rotary disc and the outflow end cover; an inflow pipe extending into the inflow chamber is arranged at the inflow opening, and the end part of the inflow pipe is contacted with the side surface of the rotary table; an outflow pipe extending into the outflow chamber is arranged at the outflow port, and the end part of the outflow pipe is contacted with the side surface of the rotary table; and two ends of the communicating pipe are respectively flush with the corresponding side surfaces of the turntables.
6. The multi-gear control device based on the fluid fluctuation signal according to claim 4, wherein two ends of the communication pipe respectively protrude out of two sides of the rotary disc and respectively contact with the inner side surfaces of the inflow end cover or the outflow end cover.
7. The multi-gear control device based on the fluid fluctuation signal according to claim 4, wherein the communicating pipes are arranged on the rotating disc at regular intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011596570.3A CN112506115A (en) | 2020-12-29 | 2020-12-29 | Multi-gear control method and control device based on fluid fluctuation signals |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011596570.3A CN112506115A (en) | 2020-12-29 | 2020-12-29 | Multi-gear control method and control device based on fluid fluctuation signals |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102216752A (en) * | 2008-09-12 | 2011-10-12 | 弗里亚斯科技公司 | Fluid analysis system and method for operation of an analysis system |
| RU2435178C1 (en) * | 2010-09-14 | 2011-11-27 | Федеральное государственное унитарное предприятие "Специальное научно-производственное объединение "Элерон" (ФГУП "СНПО "Элерон") | System for repeated alerting on tsunami waves in deep ocean |
| CN106841668A (en) * | 2015-12-04 | 2017-06-13 | 无锡乐华自动化科技有限公司 | The pipe flow speed sensor and application method of a kind of fixed blade wheel structure |
| CN108614452A (en) * | 2018-04-28 | 2018-10-02 | 中冶赛迪技术研究中心有限公司 | A method of using fluid as communication conductive medium |
| CN109839160A (en) * | 2019-03-18 | 2019-06-04 | 苏州极目机器人科技有限公司 | Flow detection device, flow rate testing methods and spray appliance |
| JP2019117174A (en) * | 2017-12-27 | 2019-07-18 | 株式会社Ａ＆Ｍ | Impeller type flow rate sensor and flow rate control system |
-
2020
- 2020-12-29 CN CN202011596570.3A patent/CN112506115A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216752A (en) * | 2008-09-12 | 2011-10-12 | 弗里亚斯科技公司 | Fluid analysis system and method for operation of an analysis system |
| RU2435178C1 (en) * | 2010-09-14 | 2011-11-27 | Федеральное государственное унитарное предприятие "Специальное научно-производственное объединение "Элерон" (ФГУП "СНПО "Элерон") | System for repeated alerting on tsunami waves in deep ocean |
| CN106841668A (en) * | 2015-12-04 | 2017-06-13 | 无锡乐华自动化科技有限公司 | The pipe flow speed sensor and application method of a kind of fixed blade wheel structure |
| JP2019117174A (en) * | 2017-12-27 | 2019-07-18 | 株式会社Ａ＆Ｍ | Impeller type flow rate sensor and flow rate control system |
| CN108614452A (en) * | 2018-04-28 | 2018-10-02 | 中冶赛迪技术研究中心有限公司 | A method of using fluid as communication conductive medium |
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Application publication date: 20210316 |