CN207527114U - Flow control valve - Google Patents
Flow control valve Download PDFInfo
- Publication number
- CN207527114U CN207527114U CN201720588049.2U CN201720588049U CN207527114U CN 207527114 U CN207527114 U CN 207527114U CN 201720588049 U CN201720588049 U CN 201720588049U CN 207527114 U CN207527114 U CN 207527114U
- Authority
- CN
- China
- Prior art keywords
- water
- valve
- control valve
- pump
- flow
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of flow control valves, water inlet side (2) is pressurizeed by valve pipeline (3) or pump conduit (4) toward control room (6) water filling, it is made to stop supplying water to water outlet side (9), adjustable speed water pump (7) takes out the hydraulic pressure of low control room (6) again, its water inlet side (2) is made to supply water to water outlet side (9), the size of the water flow of water outlet side (9) is controlled by the height of adjustable speed water pump (7) rotating speed, rotating speed is higher, flow is bigger, and it is smaller that rotating speed gets over low discharge.The utility model flow control valve, which is mainly used for quantitative, level pressure, limitation, constant pressure, decompression etc., to be needed in closed loop or row's water supply scene of opened loop control.The main response speed adjustable range for solving flow control valve currently on the market is relatively narrow, controls inflexible problem.The flow velocity and response speed of the utility model flow control valve can be controlled by the control signal such as digital signal, simulation, frequency signal or communications protocol.
Description
Technical field
The utility model is related to arrive a kind of flow control valve, particularly adjustment type flow control valve.
Background technology
As demand of the market to high-end intelligent valve is more and more apparent, the valve being precisely controlled in particular for big flow
Door and the valve controlled by analog signal or digital signal, communications protocol, flow control valve currently on the market are all based on
Pressure or solenoid valve, motor-driven valve are as actuator.Since its controlled area charactert is relatively narrow, it is difficult to meet actual demand.For example, patent Shen
Number it please disclose a kind of regulating flow quantity and switching speed for 201710061488.2 and application number 201010103041.5
Valve, but its utilize be more complicated mechanical structure, larger motor and non-standard input signal control, especially hold
The controlled area characterts such as row time, response speed, sensitivity are relatively narrow, all undesirable in manufacture cost and actual use.
Utility model content
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, performance is stablized, can be by
The valving of multi-signal control.
The utility model is following technical solution used by solving more than technical problem：Utilize linear preferable speed governing water
Pump and with being formed from the hydraulic control valve Combination Design of power drive, after the hydraulic pressure of hydraulic control valve water inlet side enters control room,
Along with the pressure of control room inner spring, the pressure that applies to spool in control room is greater than water inlet side pressure, and spool will be by
It closes, water outlet side does not have water flow discharge at this time, and adjustable speed water pump is recycled to be controlled indoor hydraulic pressure is controlled to be withdrawn into water inlet side
Chamber pressure is taken out by adjustable speed water pump less than after water inlet side pressure, and spool will be open-top by water inlet side hydraulic pressure, and water outlet side just has water
Flow is discharged；When adjustable speed water pump is shut down, the hydraulic pressure of water inlet side enters control room, and can be to control by adjustable speed water pump and regulating valve
Room is pressurizeed, and spool is promoted to close.
The acceleration and deceleration response time of adjustable speed water pump is adjusted, with regard to water outlet side flow can be controlled to increase and decrease response speed；Adjust water pump
The uninterrupted of the height of rotating speed, just energy control valve water outlet.Control of the water inlet of flow control valve to hydraulic control valve
There are one regulating valves for room, can be used for the sensitivity of control valve.In the case where water pump speed is constant, what this regulating valve was opened gets over
Greatly, control valve by water flow with regard to smaller.
There are one adjustment springs on the top of control valve, can be used cooperatively with control room inlet regulating valve, are controlled for adjusting
The range of flow and response speed of valve processed.
The purposes of the present invention, being mainly used for quantitative, level pressure, limitation, constant pressure, decompression etc. needs the row of closed loop or opened loop control
In water supply scene.
The main advantage of the present invention, mainly simple in structure, manufacture is at low cost, and controllability is good, and performance is stablized, and is controlled by tool
Have digital signal or simulation, frequency signal, communications protocol main control device.Such as it is controlled by with digital signal or simulation, frequency
Rate signal output PLC, microcontroller, PID controller etc. are attained by preferably control mesh in any open loop or closed-loop control scene
's.
Description of the drawings
Fig. 1 is the flow control valve side schematic view of the utility model
Fig. 2 is the flow control valve water intake end front schematic view of the utility model
Specific embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
It sees figure 1 and figure 2, the water inlet side 2 of the component hydraulic control valve 1 of flow control valve passes through valve pipeline 3 and pump line
Road 4 is connected to adjustable speed water pump 7 and regulating valve 5, then is connected to control room 6 by adjustable speed water pump 7 and regulating valve 5.By adjusting
Section valve 5 can change valve pipeline 3 to the flow of inlet water of control room 6, play the role of 9 adjustment of sensitivity of water outlet side.Pass through adjusting
Elastic force adjusts 8, for the restriction and sensitivity of 9 range of flow of adjusting water outlet side.
The operation principle of the utility model is that water inlet side 2 is by valve pipeline 3 or pump conduit 4 constantly toward 6 water filling of control room
Pressurization, makes it stop supplying water to water outlet side 9, adjustable speed water pump 7 after making its pressure reduction, goes out by extracting the water source in control room 6
Water side 9 will be discharged, and the water flow size of water outlet side 9 is controlled by the rotating speed of adjustable speed water pump 7.
The flow control valve, is shown in Fig. 1 and Fig. 2, is exactly the flow control valve of the utility model, including all groups of 1-9
Part.
The water inlet side 2 and valve pipeline 3 and pump conduit 4, be all same pressure, is all that hydraulic control valve 1 enters water
End, wherein valve pipeline 3 and pump conduit 4 are all the interfaces being branched off by water inlet side 2, and only valve pipeline 3 is unidirectional toward control room 6
It supplies water, and pump conduit 4 is supplied water according to operating condition the past control room 6 of adjustable speed water pump 7, and can be taken out from control room 6
Water.When adjustable speed water pump 7 does not draw water, pump conduit 4 will pass through adjustable speed water pump 7 to pressurize to control room 6 and supply water, for coordinating valve pipe
3 quick closedown water outlet side 9 of road；When adjustable speed water pump 7 starts to draw water, pump conduit 4 is used to the hydraulic pressure of control room 6 send back into water
Side 2.
The regulating valve 5 is exactly for the size of 6 inflow of adjusting control room, generally requires the inflow of control room 6
Less than the maximum displacement of adjustable speed water pump 7, otherwise adjustable speed water pump 7 can not make water outlet side 9 have water discharge.What regulating valve 5 was adjusted enters
Water is smaller, and the flow of water outlet side 9 is bigger, but if the water of the tune of regulating valve 5 is too small or closing, water outlet side 9 close valve
Speed will be slack-off or make 7 dry tap of adjustable speed water pump and damage, therefore regulating valve 5 can not be adjusted arbitrarily.
The control room 6, is exactly diaphragm cavity, and effect is to borrow the pressure of water inlet side 2, and 8 are adjusted in conjunction with elastic force
Pressure makes its close valve, does not supply water to water outlet side 9 or by being used cooperatively with adjustable speed water pump 7, adjusts to water outlet side 9
Water supply size.Its principle is exactly that 6 pressure of control room closes valve when being more than 2 pressure of water inlet side；It is opened during less than 2 pressure of water inlet side
Valve, the pressure of 6 pressure ratio water inlet side 2 of control room is smaller, then 9 water flow of water outlet side is bigger.
The adjustable speed water pump 7 is exactly a kind of internal or external water pump of arrangements for speed regulation, needs to supply power for source and control
Signal processed, control signal can be standard or off-gauge analog signal, digital signal or frequency signal, communications protocol etc.,
Specifically determined by the model and function of adjustable speed water pump 7.Adjustable speed water pump 7 carries out variable and draws water operation according to the signal magnitude of input.
The reaction sensitivity of adjustable speed water pump 7 and the time of integration, derivative time, Acceleration and deceleration time, acceleration curve, gain etc., mainly by defeated
The signal deciding entered.Adjustable speed water pump 7 itself also has adjustment of sensitivity and Acceleration and deceleration time regulatory function.
The elastic force adjusts 8, is exactly a kind of spring pressure adjusting screw rod, it is therefore an objective to be adjusted by the pressure of adjustment spring
Save the pass water speed of water outlet side 9.After adjustable speed water pump 7 stops pumping, the pressure that this elastic force adjusts 8 adjustings are heavier, and water outlet side 9 closes
It closes faster.It is discharged too small or is not discharged in addition, if elastic force adjusts 8 water outlet sides 9 that may result in very much adjusted again.
The water outlet side 9 or discharge outlet, effect be the water source of water inlet side 2 it is controlled after from 9 row of this water outlet side
Go out.
The foregoing is merely specific embodiment of the utility model, are not the implementation model to limit the utility model
It encloses, all equivalent changes or modification made according to construction, feature and principle described in present utility model application the scope of the claims should all include
In in present utility model application the scope of the claims.
Claims (4)
1. a kind of flow control valve, including hydraulic control valve (1)；It is characterized in that：The hydraulic control valve (1) and adjustable speed water pump
(7) combination is completed, and takes out the pressure of low control room (6) using adjustable speed water pump (7) to control the uninterrupted or pressure of water outlet side (9)
Size.
2. a kind of flow control valve, including valve pipeline (3) and pump conduit (4)；It is characterized in that：The valve pipeline (3) and pump line
Road (4) is introduced from water inlet side (2), and wherein valve pipeline (3) is unidirectional toward control room (6) water inlet；Pump conduit (4) can be from entering
It water side (2) again can be from control room (6) reversely toward water inlet side (2) return water to control room (6) water inlet.
3. a kind of flow control valve according to claim 2；It is characterized in that：The pump conduit (4) can access water inlet side
(2) other than other Anywhere.
4. a kind of flow control valve according to claim 1；It is characterized in that：The quantity and type of the adjustable speed water pump (7)
It number does not limit；It is mounted on any pipeline or valve being directly or indirectly connected with control room (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588049.2U CN207527114U (en) | 2017-05-17 | 2017-05-17 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588049.2U CN207527114U (en) | 2017-05-17 | 2017-05-17 | Flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527114U true CN207527114U (en) | 2018-06-22 |
Family
ID=62576285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720588049.2U Expired - Fee Related CN207527114U (en) | 2017-05-17 | 2017-05-17 | Flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527114U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989199A (en) * | 2017-05-17 | 2017-07-28 | 杭州滨冠节能科技有限公司 | Flow control valve |
-
2017
- 2017-05-17 CN CN201720588049.2U patent/CN207527114U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106989199A (en) * | 2017-05-17 | 2017-07-28 | 杭州滨冠节能科技有限公司 | Flow control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 |