CN203067880U - Diaphragm valve with adjustable pressure and flow ranges - Google Patents
Diaphragm valve with adjustable pressure and flow ranges Download PDFInfo
- Publication number
- CN203067880U CN203067880U CN 201320076879 CN201320076879U CN203067880U CN 203067880 U CN203067880 U CN 203067880U CN 201320076879 CN201320076879 CN 201320076879 CN 201320076879 U CN201320076879 U CN 201320076879U CN 203067880 U CN203067880 U CN 203067880U
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- valve
- control unit
- control
- pressure
- pressure transducer
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Abstract
A diaphragm valve with adjustable pressure and flow ranges comprises a valve body (1), a valve core (2), a spring (3), a neck shell (4), a control liquid interface (5), a control cavity (6), a front pressure sensor (7), a top cap (10), a diaphragm (11), a valve cavity (12), a valve signal processing unit (13), a rear pressure sensor (14) and a valve control unit (15). The pressure sensors are mounted on the valve body and connected with the valve signal processing unit or the valve control unit so as to monitor or adjust and control the flow and pressure of liquid passing through the valve cavity in real time, so that high-precision linear control of small flow can be realized; the structure is compact and practical; the control efficiency is high; the production, operation and maintenance are convenient; the application range is wide; and the economic and social benefits are remarkable.
Description
Technical field
The utility model belongs to International Classification of Patents F15B fluid pressure actuator or F16K control valve unit technology, especially pressure and the adjustable membrane valve of range of flow.
Background technique
The barrier film pilot valve also is a kind of hydraulic control valve, be with the pressure medium of pipeline own as power source, open and close, regulate, preceding pilot valve and system's tubule road various combination, just can have nearly 30 kinds of functions, obtain now more general use gradually.Pilot valve is by moving as the variation of the water level of control object and pressure, because the pilot valve kind is a lot, can use separately or several combinations is used, the function that just can make the main valve acquisition that water level and hydraulic pressure and flow etc. are carried out independent or compound adjusting.But the similar stop valve of main valve, during valve wide open, its pressure loss is more much bigger than other valves, and each aperture loss coefficient is approaching with full cut-off, increases severely, and valve aperture is more big just more remarkable.Valve with above-mentioned characteristic, near full cut-off the time, the action of flap is accelerated, and the percussive pressure of water hammer water easily takes place, and during near full cut-off, valve event is more slow more good, so can throttle mechanism be set at flap.The throttling of pilot valve and action part will avoid arranging special small-bore aperture as far as possible in addition, in order to avoid stop up.To add filter screen in case of necessity, periodical repair and bypass line is set.
Pilot valve is by moving as the variation of the water level of control object and pressure, because the pilot valve kind is a lot, can use separately or several combinations is used, the function that just can make the main valve acquisition that water level and hydraulic pressure and flow etc. are carried out independent or compound adjusting.But the similar stop valve of main valve, during valve wide open, its pressure loss is more much bigger than other valves, and each aperture loss coefficient is approaching with full cut-off, increases severely, and valve aperture is more big just more remarkable.Valve with above-mentioned characteristic, near full cut-off the time, the action of flap is accelerated, and water hammer easily takes place in the percussive pressure of water, and during near full cut-off, valve event is more slow more good, so can throttle mechanism be set at flap.Use hydraulic control valve, at first will note type selecting.Type selecting is improper, can cause to block water and gas leak phenomenon.When selecting hydraulic control valve for use, must multiply by by equipment consumption of steam hourly and select for use multiplying power 2-3 doubly to be maximum condensate flow, select the water displacement of hydraulic control valve.Existing hydraulic control valve does not still possess pressure and flow detection function, therefore can't guarantee that hydraulic control valve can discharge water of condensation as early as possible when driving, improve the temperature of heating plant rapidly, simultaneously, make that also hydraulic control valve discharging energy is not enough, can cause water of condensation in time not discharge, reduce the thermal efficiency of heating plant.
In the prior art, rare correlation technique is open.
The model utility content
The purpose of this utility model provides pressure and the adjustable membrane valve of range of flow, with realization further accurately controlling of membrane valve is created conditions.
Realize that the purpose of this utility model measure is: comprise valve body, spool, spring, neck shell, control liquid interface, control chamber, preceding pressure transducer, top cover, diaphragm, valve pocket, valve signal processing unit, back pressure transducer and valve control unit; Pressure transducer before install at the liquid-inlet place in valve pocket, perhaps, liquid outlet is installed the back pressure transducer in valve pocket, before pressure transducer or and afterwards pressure transducer be connected with the valve signal processing unit, at valve body control unit is installed, this control unit is connected by the control chamber connecting tube with control chamber, this control unit is connected with the valve pocket entrance by water source tube, this control unit also is connected with discharge tube, and simultaneously, control unit and valve signal processing unit have and be electrically connected.
Advantage of the present utility model is, setting pressure sensor on the valve body, and connect valve signal processing unit or control unit, monitoring in real time or regulation and control valve pocket are by flow and the pressure of liquid, can realize the highi degree of accuracy linearity control of small flow, practicality simple for structure, control efficiency height, production, convenient operating maintenance, purposes is wide, economic benefit and obvious social benefit.
Description of drawings
Fig. 1 is the structural representation of embodiment 1 in the utility model
Fig. 2 is pipeline transformational structure and the work schematic representation of the control unit among the embodiment 1 in the utility model
Reference character comprises: valve body 1, spool 2, spring 3, neck shell 4, control liquid interface 5, control chamber 6, preceding pressure transducer 7, jackscrew 9, top cover 10, diaphragm 11, valve pocket 12, valve signal processing unit 13, back pressure transducer 14, control unit 15, water source tube 16, discharge tube 17, control chamber connecting tube 18.
Embodiment
The utility model mainly comprises valve body 1, spool 2, spring 3, neck shell 4, control liquid interface 5, control chamber 6, preceding pressure transducer 7, top cover 10, diaphragm 11, valve pocket 12, valve signal processing unit 13, back pressure transducer 14 and valve control unit 15; Upside is installed spool 2 in the valve pocket 12, and neck shell 4 is arranged at valve body 1 top, and a concave groove is arranged at neck shell 4 tops, and this concave groove constitutes control chamber 6, crimping diaphragm 11 between neck shell 4 end faces and top cover 10 bottom surfaces with top cover 10 inner chambers of the inside epirelief that is installed in neck shell 4 tops.
Below further specify by drawings and Examples.
Embodiment 1: as shown in Figure 1, pressure transducer 7 before install at the liquid-inlet place in valve pocket 12, perhaps, liquid outlet is installed back pressure transducer 14 in valve pocket 12, before pressure transducer 7 or and afterwards pressure transducer 14 be connected with valve signal processing unit 13, at valve body 1 control unit 15 is installed, this control unit 15 is connected by control chamber connecting tube 18 with control chamber 6, this control unit 15 is connected with valve pocket 12 entrances by water source tube 16, this control unit 15 also is connected with discharge tube 17, simultaneously, control unit 15 has with valve signal processing unit 13 and is electrically connected.
In aforementioned, there is valve pocket 12 valve body 1 inside, upside is installed spool 2 in the valve pocket 12, neck shell 4 is arranged at valve body 1 top, neck shell 4 internal upper parts have spool 2, and spool 2 is fixedlyed connected with diaphragm 11, and the annular section of spool 2 bottoms and valve pocket 12 forms the shutoff end face of valve, diaphragm 11 tops constitute control chamber 6, crimping diaphragm 11 between neck shell 4 end faces and top cover 10 bottom surfaces with top cover 10 inner chambers that are installed in neck shell 4 tops.
In aforementioned, pressure transducer 7 before install at the liquid-inlet place in valve pocket 12, liquid outlet is installed back pressure transducer 14 valve pocket 12 in, this two pressure transducer respectively be installed on valve body 1 outside valve signal processing unit 13 be connected.
In aforementioned, control unit 15 is connected control chamber connecting tube 18, water source tube 16 and drain 17 with the control chamber of control liquid interface 5 respectively and is connected.
In aforementioned, pressure transducer is directly installed in the valve pocket 12, perhaps is connected in the valve pocket 12 by conduit.Perhaps, be installed in outside the valve body 1 by the side adapter.The discharge tube 17 of valve control unit 15 can directly connect atmosphere, also can be connected to the outlet of valve pocket 12.
In aforementioned, spool 2 connects top covers 10 by compression spring 3, setting pressure sensor valve pocket 12 in, this pressure transducer be installed on valve body 1 valve signal processing unit 13 outward and be connected.
In aforementioned, valve signal processing unit 13 is based on the programming device of digital circuit, revises setting pressure or the flow of valve by signal processing unit 13; Simultaneously, remotely carry out pressure by electrical signal by valve signal processing unit 13 and set, sort signal can be analogue signal or digital communication signal.
In aforementioned, electronic circuit in the valve signal processing unit 13 detects the pressure of valve pocket 12 outlets or entrance and compares with setting value, change the water (flow) direction of turnover valve control chamber 6 when finding deviation greater than claimed range by control unit (15), accurately control spool 2 positions to change control chamber 6 inner water amounts, thereby and then behind the size variation control valve of realization valve pocket 12 interior sprues or the preceding pressure of valve or the flow of the valve body 1 of flowing through.
In aforementioned, valve control unit 15 adopts electromagnetic coil to drive or micromachine drives, and can adopt multiple principle to realize the gating of convection cell, thereby realizes the control to valve opening.
In aforementioned, valve signal processing unit 13 is fixed on the valve body 1, perhaps, is independent of valve body 1 outer the installation, perhaps, installs with the pressure transducer disjunctor.
In aforementioned, valve control unit 15 and signal processing unit 13 are installed in outside the valve body 1, and perhaps, valve control unit 15 and signal processing unit 13 are the part of valve 1.
In the present embodiment, electronic circuit in the valve signal processing unit 13 detects the pressure of valve pocket 12 outlets or entrance and compares with setting value, change the water (flow) direction of turnover valve control chamber 6 when finding deviation greater than claimed range by control unit 15, thereby changing control chamber 6 inner water amounts with accurate control spool 2 linear displacement positions, thereby realize behind the size control valve of valve pocket 12 sprues or the pressure before the valve or the flow of the valve body 1 of flowing through.
In the present embodiment, if when only be used for adjusting upstream pressure, pressure transducer 7 before valve pocket 12 ingress can only be installed; If when only being used for adjusting downstream pressure, the back pressure transducer 14 in valve pocket 12 outlet ports can only be installed.
In the present embodiment, as shown in Figure 2, the pipeline transformational structure of control unit 15 comprises an inner chamber and the conversion core that is installed in the inner chamber, this inner chamber is communicated with water source tube 16, discharge tube 17 and control chamber connecting tube 18 respectively, especially, this intracavity space is cylinder or prismatic, two ends are communicated with water source tube 16 and discharge tube 17 respectively on the axis of its length direction, control chamber connecting tube 18 be communicated with water source tube 16 incoming ends side, simultaneously, described conversion core connects Returnning spring or magnetic force resetting means in inner chamber.In when work, state 1 time, stop up inner chamber at Returnning spring pushing tow conversion core and support that to the outlet of discharge tube 17 discharge tube 17 is normally closed, at this moment control chamber connecting tube 18 is by the pipeline conducting of inner chamber to water source tube 16; State 2 times, by the electromagnetic force effect, overcome action of reset spring, the conversion core stops up inner chamber to the outlet of water source tube 16, at this moment control chamber connecting tube 18 by inner chamber to discharge tube 17 the pipeline conducting.
In above embodiment, do not reach the safety of narration, and mounting technique, and the employing prior aries such as other necessary technologies that relate to enforcement, enumerate detailed description no longer successively.
Claims (6)
1. the adjustable membrane valve of pressure and range of flow, comprise valve body (1), spool (2), spring (3), neck shell (4), control liquid interface (5), control chamber (6), preceding pressure transducer (7), top cover (10), diaphragm (11), valve pocket (12), valve signal processing unit (13), back pressure transducer (14) and valve control unit (15); It is characterized in that, pressure transducer (7) before install at the liquid-inlet place in valve pocket (12), perhaps, liquid outlet is installed back pressure transducer (14) in valve pocket (12), before pressure transducer (7) or and afterwards pressure transducer (14) be connected with valve signal processing unit (13), at valve body (1) control unit (15) is installed, this control unit (15) is connected by control chamber connecting tube (18) with control chamber (6), this control unit (15) is connected with valve pocket (12) entrance by water source tube (16), this control unit (15) also is connected with discharge tube (17), simultaneously, control unit (15) and valve signal processing unit (13) have and are electrically connected.
2. the adjustable membrane valve of pressure as claimed in claim 1 and range of flow, it is characterized in that, spool (2) connects top cover (10) by compression spring (3), setting pressure sensor in valve pocket (12), this pressure transducer valve signal processing unit (13) outer with being installed on valve body (1) is connected.
3. the adjustable membrane valve of pressure as claimed in claim 1 and range of flow, it is characterized in that, pressure transducer (7) before install at the liquid-inlet place in valve pocket (12), liquid outlet is installed back pressure transducer (14) in valve pocket (12), and this two pressure transducer valve signal processing unit (13) outer with being installed on valve body (1) respectively is connected.
4. the adjustable membrane valve of pressure as claimed in claim 1 and range of flow, it is characterized in that, valve control unit (15) and signal processing unit (13) are installed in outside the valve body (1), and perhaps, valve control unit (15) and signal processing unit (13) are the part of valve (1).
5. the adjustable membrane valve of pressure as claimed in claim 1 and range of flow is characterized in that, the discharge tube (17) of valve control unit (15) directly connects atmosphere, or is connected to the outlet of valve pocket (12).
6. the adjustable membrane valve of pressure as claimed in claim 1 and range of flow, it is characterized in that, the pipeline transformational structure of control unit (15) comprises an inner chamber and the conversion core that is installed in the inner chamber, this inner chamber is communicated with water source tube (16) respectively, discharge tube (17) and control chamber connecting tube (18), this intracavity space is cylinder or prismatic, two ends are communicated with water source tube (16) and discharge tube (17) respectively on the axis of its length direction, control chamber connecting tube (18) be communicated with water source tube (16) incoming end side, simultaneously, described conversion core connects Returnning spring or magnetic force resetting means in inner chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076879 CN203067880U (en) | 2013-02-19 | 2013-02-19 | Diaphragm valve with adjustable pressure and flow ranges |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320076879 CN203067880U (en) | 2013-02-19 | 2013-02-19 | Diaphragm valve with adjustable pressure and flow ranges |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203067880U true CN203067880U (en) | 2013-07-17 |
Family
ID=48766664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320076879 Expired - Lifetime CN203067880U (en) | 2013-02-19 | 2013-02-19 | Diaphragm valve with adjustable pressure and flow ranges |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203067880U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940065A (en) * | 2017-11-13 | 2018-04-20 | 佛山市恒爱网络科技有限公司 | A kind of Automated water pump control valve |
| CN109869363A (en) * | 2019-03-28 | 2019-06-11 | 上海豪高机电科技有限公司 | A kind of hydraulic intelligent control valve |
-
2013
- 2013-02-19 CN CN 201320076879 patent/CN203067880U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107940065A (en) * | 2017-11-13 | 2018-04-20 | 佛山市恒爱网络科技有限公司 | A kind of Automated water pump control valve |
| CN109869363A (en) * | 2019-03-28 | 2019-06-11 | 上海豪高机电科技有限公司 | A kind of hydraulic intelligent control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181225 Address after: Room 318, Huibin Building, 111 South Hunan Road, Shuimogou District, Urumqi City, Xinjiang Uygur Autonomous Region Patentee after: Xinjiang Yuanda Technology Co.,Ltd. Address before: 830011 2nd Floor, Building 1, 123 Qinghai Road, Urumqi City, Xinjiang Uygur Autonomous Region Patentee before: Zhang Fan |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |