CN105423134A - Control valve and fluid system - Google Patents
Control valve and fluid system Download PDFInfo
- Publication number
- CN105423134A CN105423134A CN201510849914.XA CN201510849914A CN105423134A CN 105423134 A CN105423134 A CN 105423134A CN 201510849914 A CN201510849914 A CN 201510849914A CN 105423134 A CN105423134 A CN 105423134A
- Authority
- CN
- China
- Prior art keywords
- control valve
- valve
- flow
- pipeline
- control
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/18—Arrangements for supervising or controlling working operations for measuring the quantity of conveyed product
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a control valve and a fluid system. The control valve comprises an intercepting valve, a flow detection device and a control part. The flow detection device is used for detecting the flow in a pipeline controlled by the intercepting valve and sending out a flow signal. The control part is electrically connected with the flow detection device and controls the intercepting valve to be turned off according to the flow signal sent out by the flow detection device. By the adoption of the technical scheme of the control valve, the flow in a valve body or the flow in the pipeline provided with the control valve is detected through the flow detection device, the intercepting valve is controlled to be turned off according to the flow to intercept the pipeline, and real-time monitoring and quick response treatment of the pipeline leakage fault are achieved.
Description
Technical field
The present invention relates to fluid device field, in particular to a kind of control valve and fluid system.
Background technique
In power supply system, automation equipment application is more and more extensive, and automaticity is more and more higher, and a lot of website has realized unmanned.
But the water supply line of some websites is aging, the phenomena of the failure such as run, drip, leak may occur, if pipeline failure occurs in unmanned website, then this kind of fault is difficult to monitored arriving, the problem such as equipment can be caused time serious soaked.
Existing settling mode is fixing inspection website, such as, monthly check once, contrast meter reading, if obviously increasing appears in reading, then may occur that pipeline failure result in generation of leaking.In addition, if find that there is washmarking or ponding in inspection process, also can think and may occur leaking.But this method is subject to the restriction at inspection interval, cannot carry out rapid response and process to seepy question.
Summary of the invention
Main purpose of the present invention is to provide a kind of control valve and fluid system, to solve the problem being difficult to monitoring and fast processing water leakage situation of the prior art.
To achieve these goals, according to an aspect of the present invention, provide a kind of control valve, comprising: block valve; Flow detector, for detecting the flow in the pipeline of block valve control, concurrent outflow signal; Control device, is electrically connected with flow detector, controls block valve closedown according to the flux signal that flow detector sends.
Further, when the flow that flow detector detects in pipeline is more than or equal to predetermined amount of flow, sends flux signal and make control device control block valve closedown.
Further, after control device receives flux signal and meets the condition of closing block valve, control block valve after a predetermined time again and close.
Further, control device comprises time delay coil, and control device controls the closedown of block valve by time delay coil.
Further, flow detector comprises magnetic strength portion and is arranged on the magnetic source portion in pipeline, and magnetic source portion can move with the changes in flow rate in pipeline.
Further, control valve also comprises hand switch, and hand switch controls block valve and closes.
Further, control valve comprises entry end and outlet end, and block valve is arranged between flow detector and entry end.
Further, block valve is solenoid valve, and control valve also comprises transformer, and control device is electrically connected with the input end of transformer and the break-make of control input end, and the output terminal of transformer is electrically connected with the coil of block valve.
According to another aspect of the present invention, additionally provide a kind of fluid system, comprise pipeline and control valve, control valve is above-mentioned control valve.
Further, control valve is the master control valve of fluid system.
Apply technological scheme of the present invention, control valve is by the flow in flow detector detection valve body or in the pipeline of control valve setting, and close according to flow control block valve to block pipeline, achieve the real-time monitoring to pipeline leakage fault and rapid response process.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment according to control valve of the present invention; And
Fig. 2 shows the structural representation of the embodiment of the control circuit according to control valve of the present invention.
Reference character in figure:
10, block valve; 20, flow monitoring device.
Embodiment
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
According to an aspect of the present invention, provide a kind of control valve, as illustrated in fig. 1 and 2, this control valve comprises: block valve 10; Flow detector 20, for detecting the flow in the pipeline of block valve 10 control, concurrent outflow signal; Control device, is electrically connected with flow detector 20, closes according to the flux signal control block valve 10 that flow detector sends.
Flow in the pipeline that control valve of the present invention detects in valve body by flow detector 20 or control valve is arranged, and close to block pipeline according to flow control block valve 10, achieve the real-time monitoring to pipeline leakage fault and rapid response process.When this control valve is applied in the water system of unmanned website, flows exceed normal range (NR) when detecting, then judge circuit failure, be likely that pipeline there occurs and leaks, now close block valve 10, continue to leak to stop, concurrent warning of being out of order, reminds staff to confirm in time and maintenance.
Preferably, when the flow that flow detector 20 detects in pipeline is more than or equal to predetermined amount of flow, sends flux signal and control device control block valve 10 is closed.Time in the water system being applied to unmanned website, control valve can run according to by regimen condition, namely artificial or according to default water time, control valve does not work, after terminating with water, control valve is started working, and detects flow and closes block valve 10 when flowing exceed predefined value.Particularly, predefined value can be set as 0.75 liter per minute.
Preferably, after control device receives flux signal and meets the condition of closing block valve 10, control block valve 10 after a predetermined time again and close.Namely control valve arranges delays time to control module, arrange delay mode control valve can according to just conventional water real time execution, namely delay time is set to the time that can meet daily water consumption, the daily water consumption of such as unmanned website is several times every day, some minutes at every turn, delay time can be set to slightly unnecessary each water time, and such control valve can not affect just conventional water, but terminate rear control valve with water and still detect that flow exceeds standard, then close block valve 10.In addition, delay mode can also realize water outlet in emergency circumstances.
Preferably, control device comprises time delay coil, and control device controls the closedown of block valve 10 by time delay coil.Control valve realizes time delay by time delay coil and handles.
Preferably, flow detector 20 comprises magnetic strength portion and is arranged on the magnetic source portion in pipeline, and magnetic source portion can move with the changes in flow rate in pipeline.Magnetic strength portion can be Hall element.When the piping flow at place, magnetic source portion increases, magnetic source portion is close or away from magnetic strength portion, magnetic strength portion judges the change in location in magnetic source portion by the change of magnetic force, and then obtains data on flows.In addition, flow detector 20 can also detect flow by other means, such as position limit switch or turbine etc.
Preferably, as shown in Figure 2, control valve also comprises hand switch, and hand switch controls block valve 10 and closes.Namely control valve also comprises manual mode, can realize artificial Non-follow control block valve 10 and close.
Preferably, as shown in Figure 1, control valve comprises entry end and outlet end, and block valve 10 is arranged between flow detector 20 and entry end.Block valve 10 will be arranged on the upstream of flow detector, to improve the reliability of control valve.
Preferably, as shown in Figure 2, block valve 10 is solenoid valve, and control valve also comprises transformer, and control device is electrically connected with the input end of transformer and the break-make of control input end, and the output terminal of transformer is electrically connected with the coil of block valve 10.According to the specification of the voltage rating of control circuit and the coil of block valve 10, transformer can be boosting transformer also can be step-down transformer.
In the control circuit shown in Fig. 2, K switch is diverter switch, for switching control valve pattern extremely manually or automatically, contactor KM1, KM2 and KM3 are controlled by coil KM, contactor KJ1 and KJ2 is controlled by coil KJ, and switch S B1 is normally closed switch, and switch S B2 is normal open switch.Its coil KJ is time delay coil.
After K switch switches to manual end, manually press switch S B2, coil KM obtains electric, the closed coil KM that makes of contactor KM1 continues electric, contactor KM2 is closed, and that block valve tutorial light is obtained is electric, contactor KM3 is closed, and that transformer is obtained is electric, and then the coil of block valve 10 obtains electric, and block valve 10 action is closed.After K switch switches to automatic end, flow monitoring device 20 is connected with the circuit of time delay coil KJ, after flow monitoring device 20 detects that flow exceeds standard, the circuit of conducting time delay coil KJ, it is electric that time delay coil KJ action thus closed contactor KJ1 after Preset Time make coil KM obtain, and it is electric that closed contactor KJ2 makes alarm indicator lamp obtain.
According to another aspect of the present invention, additionally provide a kind of fluid system, comprise pipeline and control valve, control valve is above-mentioned control valve.
Preferably, control valve is the master control valve of fluid system.
Preferred ambient temperature >=1 DEG C of control valve of the present invention, appropriate working temperature≤100 DEG C, minimum startup flow >=0.75L/min is maximum by flow≤5L/min, rated working pressure≤0.65Mpa, maximum pressure-bearing≤the 1.5Mpa of housing, control circuit load DC24V/1A, AC36V/1A or AC220V/0.1A.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a control valve, is characterized in that, comprising:
Block valve (10);
Flow detector (20), for detecting the flow in pipeline that described block valve (10) controls, concurrent outflow signal;
Control device, is electrically connected with described flow detector (20), controls block valve (10) closedown according to the flux signal that described flow detector sends.
2. control valve according to claim 1, it is characterized in that, when the flow that described flow detector (20) detects in described pipeline is more than or equal to predetermined amount of flow, sends flux signal and make described control device control described block valve (10) closedown.
3. control valve according to claim 1, is characterized in that, after described control device receives described flux signal and meets the condition of closing described block valve (10), controls described block valve (10) again and close after a predetermined time.
4. control valve according to claim 3, is characterized in that, described control device comprises time delay coil, and described control device controls the closedown of described block valve (10) by described time delay coil.
5. control valve according to claim 1, is characterized in that, described flow detector (20) comprises magnetic strength portion and is arranged on the magnetic source portion in described pipeline, and described magnetic source portion can move with the changes in flow rate in described pipeline.
6. control valve according to claim 1, is characterized in that, described control valve also comprises hand switch, and described hand switch controls described block valve (10) and closes.
7. control valve according to claim 1, is characterized in that, described control valve comprises entry end and outlet end, and described block valve (10) is arranged between described flow detector (20) and described entry end.
8. control valve according to claim 1, it is characterized in that, described block valve (10) is solenoid valve, described control valve also comprises transformer, described control device is electrically connected with the input end of described transformer and controls the break-make of described input end, and the output terminal of described transformer is electrically connected with the coil of described block valve (10).
9. a fluid system, comprises pipeline and control valve, it is characterized in that, the control valve of described control valve according to any one of claim 1 to 8.
10. fluid system according to claim 9, is characterized in that, described control valve is the master control valve of described fluid system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849914.XA CN105423134A (en) | 2015-11-27 | 2015-11-27 | Control valve and fluid system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510849914.XA CN105423134A (en) | 2015-11-27 | 2015-11-27 | Control valve and fluid system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105423134A true CN105423134A (en) | 2016-03-23 |
Family
ID=55501550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510849914.XA Pending CN105423134A (en) | 2015-11-27 | 2015-11-27 | Control valve and fluid system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105423134A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369284A (en) * | 2016-08-19 | 2017-02-01 | 中铁隧道勘测设计院有限公司 | Early warning device for boosting of municipal administration water supply pipes in long and large underwater traffic tunnel |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700742A (en) * | 1986-09-29 | 1987-10-20 | Rosaen Lars O | Automatic shut-off device |
| CN2359548Y (en) * | 1999-03-12 | 2000-01-19 | 高东旗 | Automatic closed valve with alarm when gas leakage |
| CN2574016Y (en) * | 2002-10-22 | 2003-09-17 | 李锏锋 | Water run-out preventing monitor |
| CN101021275A (en) * | 2007-03-15 | 2007-08-22 | 上海交通大学 | Detectable flow electromagnetic valve |
| EP1439341B1 (en) * | 2003-01-14 | 2009-12-02 | Cooper Power Tools SAS | Machine comprising a safety valve for the circulation of pressurised fluid |
| CN102095008A (en) * | 2011-03-15 | 2011-06-15 | 湘潭职业技术学院 | Anti-flowing water self-shutoff automatic control water valve |
| CN201935718U (en) * | 2011-02-11 | 2011-08-17 | 丹东东发气体测控仪器有限公司 | Recording type intelligent gas flowmeter for interference magnetic source |
| CN203009973U (en) * | 2012-11-12 | 2013-06-19 | 杭州湘君电子有限公司 | Solenoid valve with flow sensor |
-
2015
- 2015-11-27 CN CN201510849914.XA patent/CN105423134A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4700742A (en) * | 1986-09-29 | 1987-10-20 | Rosaen Lars O | Automatic shut-off device |
| CN2359548Y (en) * | 1999-03-12 | 2000-01-19 | 高东旗 | Automatic closed valve with alarm when gas leakage |
| CN2574016Y (en) * | 2002-10-22 | 2003-09-17 | 李锏锋 | Water run-out preventing monitor |
| EP1439341B1 (en) * | 2003-01-14 | 2009-12-02 | Cooper Power Tools SAS | Machine comprising a safety valve for the circulation of pressurised fluid |
| CN101021275A (en) * | 2007-03-15 | 2007-08-22 | 上海交通大学 | Detectable flow electromagnetic valve |
| CN201935718U (en) * | 2011-02-11 | 2011-08-17 | 丹东东发气体测控仪器有限公司 | Recording type intelligent gas flowmeter for interference magnetic source |
| CN102095008A (en) * | 2011-03-15 | 2011-06-15 | 湘潭职业技术学院 | Anti-flowing water self-shutoff automatic control water valve |
| CN203009973U (en) * | 2012-11-12 | 2013-06-19 | 杭州湘君电子有限公司 | Solenoid valve with flow sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106369284A (en) * | 2016-08-19 | 2017-02-01 | 中铁隧道勘测设计院有限公司 | Early warning device for boosting of municipal administration water supply pipes in long and large underwater traffic tunnel |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160323 |
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| RJ01 | Rejection of invention patent application after publication |