CN202649835U - Automatically pressure stabilizing and monitoring device - Google Patents
Automatically pressure stabilizing and monitoring device Download PDFInfo
- Publication number
- CN202649835U CN202649835U CN 201220288469 CN201220288469U CN202649835U CN 202649835 U CN202649835 U CN 202649835U CN 201220288469 CN201220288469 CN 201220288469 CN 201220288469 U CN201220288469 U CN 201220288469U CN 202649835 U CN202649835 U CN 202649835U
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- voltage regulation
- automatic voltage
- pressure
- valve
- shut
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Abstract
The utility model discloses an automatically pressure stabilizing and monitoring device. The automatically pressure stabilizing and monitoring device includes a pressure sensor (1), an automatic pressure-stabilizing switch-off valve (2) connected with the pressure sensor, and an automatically pressure stabilizing and monitoring instrument (2) in communicational connection with the pressure sensor. The automatically pressure stabilizing and monitoring instrument (2) is also in communicational connection with the automatic pressure-stabilizing switch-off valve (2). The automatically pressure stabilizing and monitoring device provided by the utility model is reasonable in structural design, wide in application range and good in sensibility and linearity. The automatically pressure stabilizing and monitoring device can realize real-time adjustment according to continuous changes of fluid parameters and can control fluid pressure accurately. The automatically pressure stabilizing and monitoring device is suitable for small-caliber pipelines and convenient in installation, and can be in communicational connection with a remote-terminal control system, thereby realizing the automatic and intelligent monitoring.
Description
Technical field
The utility model relates to the pressure monitor system of fluid in a kind of stream of flowing through, and is specifically related to change the water analysis Control Room between a kind of change waterwheel that is applied to generating plant, chemical enterprise etc., carries out the automatic voltage regulation supervising device of sample water pressure Monitoring and Controlling.
Background technology
Along with the fast development of China's power industry, strengthen power plant thermal system water, vapour and concentrate online sampling monitoring, guarantee that water, vapour quality meet the requirements, be the important measures that prevent the heat power equipment corrosion and scaling, guarantee its safety and economic operation.Therefore power plant proposes higher robotization, intelligent requirements to such utility appliance.
Can regulate and keep the pressure stability of fluid in the stream, the assurance of the required flow of measurement of flow path downstream instrument and the protection of instrument self have vital effect.And the control of the stream pressure of existing water, vapour sample flow warp is often realized by single pressure-regulating valve.Principle of work is that valve can be eliminated residual head and the caused flow deviation of pressure surge of pipeline automatically under the fluid effect, and no matter how system pressure changes all keeps the setting flow constant.Electric control gear is by reception control signal, and the technological parameters such as the flow of the sectional area size control tube track media between driving valve change spool and the valve seat, temperature, pressure are realized automatic control function.But such flow control threshold sensitivity and the linearity are relatively poor, restriction is installed, generally need level to install, and can not regulate in real time according to the variation of fluid parameter, need manual shift, and too single, the whole pressure control valve volume of function is excessive, and is multiplex in the Large Diameter Pipeline pipeline, do not accommodate the centralized intelligence monitoring.
Summary of the invention
Goal of the invention: the purpose of this utility model is in order to solve the deficiencies in the prior art, a kind of reasonable in design, easy to use is provided, but can accurately control hydrodynamic pressure hand/automatic operation and can according to fluid parameter constantly change and regulate in real time, can be suitable for the pipe with small pipe diameter pipeline, can accept, the automatic voltage regulation supervising device of output signal realization Intellectualized monitoring.
Technical scheme: in order to realize above purpose, the technical scheme that the utility model is taked is:
A kind of automatic voltage regulation supervising device, it comprises: pressure transducer, the automatic voltage regulation shut-off valve that links to each other with pressure transducer, and with the automatic voltage regulation monitor of pressure transducer communication connection, described automatic voltage regulation monitor is also communicated by letter with the automatic voltage regulation shut-off valve and is linked to each other.
Above-described automatic voltage regulation shut-off valve, be used for to regulate fluid switching amount by the road; Pressure transducer, for detection of the fluid actual pressure by pipeline portions, and the electric signal of the real fluid pressure of output detections is to the automatic voltage regulation monitor; Automatic voltage regulation monitor and pressure transducer communication connection, the electric signal of acceptable flow body pressure; And exportable signal is integrated control system afield; Can manual/autoly operate, realize automatically-monitored.
As preferred version, above-described automatic voltage regulation supervising device, described automatic voltage regulation monitor links to each other with the far-end control terminal, and the automatic voltage regulation monitor can be accepted the signal of far-end control terminal, also can send a signal to the far-end control terminal, realize automatically-monitored.
As preferred version, above-described automatic voltage regulation supervising device, described automatic voltage regulation shut-off valve comprises motor, shut-off valve, the automatic voltage regulation monitor is communicated by letter with the automatic voltage regulation shut-off valve and is linked to each other, the automatic voltage regulation monitor with actual pressure with pressure manually be set in advance compare, if actual pressure is less than preset pressure, then the automatic voltage regulation monitor sends a signal to the motor in the automatic voltage regulation shut-off valve, reduce the shut-off valve amount of opening, increase pressure, on the contrary actual pressure greater than preset flow, the automatic voltage regulation monitor sends a signal to that motor strengthens the automatic voltage regulation shut-off valve amount of opening in the automatic voltage regulation shut-off valve, reduce pressure, until actual pressure is identical with preset pressure.Thereby realize automatic, intelligent management.
As preferred version, above-described automatic voltage regulation supervising device, the automatic voltage regulation monitor comprises guidance panel and connection terminal, described guidance panel is used for the demonstration of data and the adjusting of automatic voltage regulation shut-off valve aperture; Described connection terminal is used for the communication connection with pressure transducer, automatic voltage regulation shut-off valve and upstream monitoring equipment, far-end control terminal.Described automatic voltage regulation monitor is by the 12v DC power supply, and input specification is current signal, reports to the police to be output as relay contact switch output (often opening), and contact capacity 220VAC/3A, communication interface are the RS485 serial communication interface.
The principle of work of automatic voltage regulation supervising device described in the utility model is: at first according to the detailed programs requirement, at the automatic voltage regulation monitor required hydrodynamic pressure size is set, flow is through pressure transducer, pressure transducer can feed back to the actual pressure signal of fluid the automatic voltage regulation monitor, the automatic voltage regulation monitor with actual pressure with pressure manually be set in advance compare, if actual pressure is less than preset pressure, then the automatic voltage regulation monitor sends a signal to the motor in the automatic voltage regulation shut-off valve, reduce the amount of opening of automatic voltage regulation shut-off valve, increase pressure, otherwise work as the actual pressure of fluid greater than the pressure of default fluid, the automatic voltage regulation monitor sends a signal to the motor in the automatic voltage regulation shut-off valve, strengthen the amount of opening of automatic voltage regulation shut-off valve, reduce pressure, until the pressure of real fluid is identical with preset pressure.And when fluid parameter fluctuateed in real time, pressure transducer can in time reach actual signal the automatic voltage regulation monitor, in real time robotization, the intelligent adjusting.And less or be lower than when preseting the minimum pressure alarming value when pressure; the automatic voltage regulation monitor can send afield control system of alerting signal; and the automatic voltage regulation monitor can be accepted external signal; signals such as temperature, pressure; the automatic voltage regulation monitor sends a signal to the automatic voltage regulation shut-off valve and opens or closes valve body as required; cut off fluid, reach the purpose of protection downstream unit.
Beneficial effect: automatic voltage regulation supervising device described in the utility model is compared with existing technology and has the following advantages:
Automatic voltage regulation supervising device provided by the utility model, reasonable in design, sensitivity and the linearity are good, can constantly change and in real time adjusting according to fluid parameter, need not manual shift, can accurately control hydrodynamic pressure, but hand/automatic operation, applicable pipe with small pipe diameter pipeline, easy for installation, and can accept the signal of external control system, and signal can be outputed to external control system, realize Intellectualized monitoring, the scope of application is extensive.
Description of drawings
The fundamental diagram of the automatic voltage regulation supervising device that Fig. 1 provides for the utility model.
The structural representation of the automatic voltage regulation supervising device that Fig. 2 provides for the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, further illustrate the utility model, should understand these embodiment only is used for explanation the utility model and is not used in restriction scope of the present utility model, after having read the utility model, those skilled in the art all fall within the application's claims limited range to the modification of the various equivalent form of values of the present utility model.
As depicted in figs. 1 and 2, a kind of automatic voltage regulation supervising device, it comprises: pressure transducer (1), the automatic voltage regulation shut-off valve (2) that links to each other with pressure transducer (1), with with the automatic voltage regulation monitor (3) of pressure transducer (1) communication connection, described automatic voltage regulation monitor (3) also links to each other with automatic voltage regulation shut-off valve (2) communication.
Above-described automatic voltage regulation supervising device, described automatic voltage regulation monitor (3) links to each other with far-end control terminal (4).
Above-described automatic voltage regulation supervising device, described automatic voltage regulation shut-off valve (2) motor (2-1) and shut-off valve (2-2).
Above-described automatic voltage regulation supervising device is characterized in that, automatic voltage regulation monitor (3) comprises guidance panel and connection terminal, and described guidance panel is used for the demonstration of data and the adjusting of automatic voltage regulation shut-off valve (2) aperture; Described connection terminal is used for and the communication connection of pressure transducer (1), automatic voltage regulation shut-off valve (2) and upstream monitoring equipment (4), far-end control terminal (5).Automatic voltage regulation monitor (3) is by the 12v DC power supply, and input specification is current signal, reports to the police to be output as relay contact switch output (often opening), and contact capacity 220VAC/3A, communication interface are the RS485 serial communication interface.。
During automatic voltage regulation supervising device real work that the utility model provides, at first according to the detailed programs requirement, at automatic voltage regulation monitor (3) required hydrodynamic pressure size is set, flow is behind pressure transducer (1), pressure transducer (1) reaches automatic voltage regulation monitor (3) with the actual pressure signal that detects, automatic voltage regulation monitor (3) can be judged the difference in size of real fluid pressure and default hydrodynamic pressure, send a signal in real time the interior motor of automatic voltage regulation shut-off valve (2), adjust the switching amount of automatic voltage regulation shut-off valve (2), until the actual pressure of fluid meets preset pressure.In like manner, when fluid parameter changed, automatic voltage regulation monitor (3) can be adjusted automatic voltage regulation shut-off valve (2) switching amount size in real time, in order to reach the purpose of steady pressure, realized robotization and Intellectualized monitoring.
The above only is preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (4)
1. automatic voltage regulation supervising device, it is characterized in that, it comprises: pressure transducer (1), the automatic voltage regulation shut-off valve (2) that links to each other with pressure transducer (1), with with the automatic voltage regulation monitor (3) of pressure transducer (1) communication connection, described automatic voltage regulation monitor (3) also links to each other with automatic voltage regulation shut-off valve (2) communication.
2. automatic voltage regulation supervising device according to claim 1 is characterized in that, described automatic voltage regulation monitor (3) links to each other with upstream monitoring equipment (4), far-end control terminal (5).
3. automatic voltage regulation supervising device according to claim 1 is characterized in that, described automatic voltage regulation shut-off valve (2) comprises motor (2-1) and shut-off valve (2-2).
4. automatic voltage regulation supervising device according to claim 1 is characterized in that, described automatic voltage regulation monitor (3) comprises guidance panel and connection terminal, and described guidance panel is used for the demonstration of data and the adjusting of automatic voltage regulation shut-off valve (2) aperture; Described connection terminal is used for and the communication connection of pressure transducer (1), automatic voltage regulation shut-off valve (2) and upstream monitoring equipment (4), far-end control terminal (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288469 CN202649835U (en) | 2012-06-19 | 2012-06-19 | Automatically pressure stabilizing and monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220288469 CN202649835U (en) | 2012-06-19 | 2012-06-19 | Automatically pressure stabilizing and monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202649835U true CN202649835U (en) | 2013-01-02 |
Family
ID=47418919
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220288469 Expired - Fee Related CN202649835U (en) | 2012-06-19 | 2012-06-19 | Automatically pressure stabilizing and monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202649835U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268523A (en) * | 2022-09-29 | 2022-11-01 | 深圳天润控制技术股份有限公司 | Micro-pressure stabilizing device and micro-pressure stable output method |
-
2012
- 2012-06-19 CN CN 201220288469 patent/CN202649835U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115268523A (en) * | 2022-09-29 | 2022-11-01 | 深圳天润控制技术股份有限公司 | Micro-pressure stabilizing device and micro-pressure stable output method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20180619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |