CN207906455U - A kind of dynamic balance adjusting valve - Google Patents
A kind of dynamic balance adjusting valve Download PDFInfo
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- CN207906455U CN207906455U CN201820322122.6U CN201820322122U CN207906455U CN 207906455 U CN207906455 U CN 207906455U CN 201820322122 U CN201820322122 U CN 201820322122U CN 207906455 U CN207906455 U CN 207906455U
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- dynamic
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- spool
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- cage
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Abstract
The utility model discloses a kind of dynamic balance adjusting valves, it is related to air-conditioning technical field, its key points of the technical solution are that including valve body, cage valve seat is provided in valve body, movement in the chamber of inlet communication is provided with adjusting part, the circulation area of adjustment regulating valve is coordinated by adjusting part and cage valve seat；With dynamic equilibrium component is provided in the chamber of outlet, dynamic equilibrium component includes diaphragm sleeve, diaphragm sleeve is with cage valve seat coaxial line and there are appropriate intervals, this is divided into the media outlet of dynamic equilibrium component, diaphragm sleeve inner is connected with dynamic spool, media outlet is blocked or opened by dynamic spool, ensure that the operting differential pressure before and after adjusting part is constant, to realize the constant of flow.The utility model solves the problems, such as hydraulic misadjustment phenomenon in heating ventilation air-conditioning system, to make complicated multi-loop system more easily reach balance and auto-control energy-saving state.
Description
Technical field
The utility model is related to air-conditioning technical field, more particularly to a kind of dynamic balance adjusting valve.
Background technology
In heating ventilation air-conditioning system, hydraulic misadjustment is FAQs, and to solve the unreasonable of loop traffic in reality,
The method that generally use improves pump head, but can further make energy distribution uneven, cause the waste of bigger；Along in order to
Energy-saving and emission-reduction and the end automatic control class valve being arranged, more exacerbate the hydraulic misadjustment phenomenon of system.
Valve anthority existing for traditional electric control valve itself has affected the precision of automation control compared with minor issue, then
In addition static state hydraulic disorder problem, dynamic state hydraulic disorder problem, lift increase problem, pressure oscillation problem, it is more degrading adjusting
The control characteristic of valve.
Although also having many static balancing valves, dynamic differential pressure valve, dynamic flow valve, electric control valve etc. more in reality
Kind of valve uses in concrete engineering, but because the convenience etc. of the consistency of construction, the matching of each product, construction many is asked
Topic exists.
In short, only could the metering of not only energy saving but also end on the basis of accurately controlling.
Utility model content
The purpose of this utility model is to provide a kind of dynamic balance adjusting valves, it can be in complicated multi-loop system
In, the adjusting of any one loop variation will not all have an impact other loops, form multiple pressure-independent branch back to
Road, it is easier to reach balance and auto-control energy-saving state.
The above-mentioned purpose of the utility model technical scheme is that：
A kind of dynamic balance adjusting valve, including valve body, offer in the valve body allow medium from balance regulating valve into
Mouth flow to the chamber of outlet, and cage valve seat is provided in the chamber of the valve body；Movement is set in the chamber with inlet communication
It is equipped with adjusting part, the adjusting part includes valve rod and the electronic spool that is connected on valve rod, passes through electronic spool and cage
Valve seat coordinates the circulation area of adjustment regulating valve；It is provided with dynamic equilibrium component, institute in the chamber with outlet
It includes diaphragm sleeve to state dynamic equilibrium component, and diaphragm sleeve is spaced with cage valve seat coaxial line and there are appropriate, in diaphragm sleeve
Portion is connected with dynamic spool, and elastic component is provided between the cage valve seat and dynamic spool, is wrapped on the dynamic spool
It covers and is equipped with flexible sheet, the inside of the diaphragm sleeve is fixedly connected with end cover, the periphery sealing of the flexible sheet
Between diaphragm sleeve and end cover, there are cavitys between the flexible sheet and end cover；The end cover and valve
The high pressure chest for being connected to hydraulic power source is equipped between body, the cavity between flexible sheet and end cover is connected to the high pressure chest.
By using above-mentioned technical proposal, between diaphragm sleeve and cage valve seat between be divided into the medium of dynamic equilibrium component
It exports, the window on cage valve seat is the medium inlet of dynamic equilibrium component；The inside of dynamic spool coordinates shape with cage valve seat
At low pressure chamber, when dynamic balance adjusting valve works, first the valve rod of adjusting part is driven to detach electronic spool with cage valve seat, water
Stream enters from import, flows through the low pressure chamber of dynamic equilibrium component, then flow out from its media outlet, is finally arranged from the outlet of valve body
Go out；While flow is flowed into dynamic equilibrium component from import to dynamic spool application intake pressure, high pressure chest is flowed into dynamic
Spool applies balance pressure, and flexible sheet floats up and down according to the variation of high pressure cavity pressure and low pressure cavity pressure, dynamic to drive
State spool is blocked or is opened to media outlet, ensure that the operting differential pressure before and after adjusting part is constant, i.e. import and diaphragm
Operting differential pressure between sleeve medium inlet is constant, to realize the constant of flow.
The utility model is further arranged to：In valve body is suitable for reading, the sealing suitable for reading of valve body is set for the adjusting part setting
It is equipped with sealing cover, the valve rod is threaded through on sealing cover.
By using above-mentioned technical proposal, sealing cover is used for valve body closing suitable for reading, while the work of support is played to valve rod
With.
The utility model is further arranged to：Filler is provided between the valve rod and sealing cover, filler passes through filler pressure
Lid compresses it.
By using above-mentioned technical proposal, filler is compressed close between valve rod and sealing cover to realize by gland
Envelope.
The utility model is further arranged to：The input terminal of the valve rod is connected with Electric Actuator.
By using above-mentioned technical proposal, when driving stem movement by Electric Actuator, motion process smooth flow, more
Easily accurately control.
The utility model is further arranged to：The elastic component is pressure spring, and the support base of the pressure spring is installed
On cage valve seat, the free end of pressure spring is connected on the bearing of dynamic spool.
By using above-mentioned technical proposal, pressure spring provides elastic force for dynamic spool origination action, this elastic force determines
The starting operting differential pressure of dynamic spool makes the constant work in pressure spring of pressure difference for the high pressure chest and low pressure chamber that dynamic spool is subject to
Make in range, after the dynamic balance relation between the pressure difference of high and low pressure chamber and the elastic force of pressure spring determines the displacement of dynamic spool
Specific location, this position determines the opening size of dynamic spool.
The utility model is further arranged to：The dynamic spool is the tubular structure of open at one end, opening direction pressure
Poor spring setting, shape and size are adapted to the inside of diaphragm sleeve.
By using above-mentioned technical proposal, dynamic spool is set as tubular can be more fully to diaphragm sleeve and cage valve seat
Between media outlet blocked；Dynamic spool is slidably matched with diaphragm sleeve, and in diaphragm sleeve during sliding
The frictional resistance very little being subject to is the necessary condition of high sensitivity.By diaphragm sleeve and cage valve base chamber every setting so that dynamic
Balanced component only changes elastic component length therein, does not have to change other sizes, to not interfere with dynamic spool and film
The cooperation precision of piece sleeve, ensure that the high sensitivity of dynamic equilibrium component.
The utility model is further arranged to：The material selection of the flexible sheet is rubber.
By using above-mentioned technical proposal, rubber diaphragm can generate action response under the outer force effect of very little, with this
Displacement action rubber diaphragm will generate rolling on the periphery wall of dynamic spool, this rolling process will make the frictional force pole of action
Small, the sensitivity of action is greatly improved in this, to improve the precision of control pressure difference.
The utility model is further arranged to：The dynamic equilibrium component is mounted in the lower mouth of valve body, the lower mouth of valve body
By bottom cover carry out block and to dynamic equilibrium component play the role of support it is fixed, between bottom cover and dynamic equilibrium component there are
Appropriate interval, forms high pressure chest；The intercommunicating pore being connected to the high pressure chest is offered on the bottom cover, the entrance of the valve body is opened
Equipped with pressure guide hole, after bottom cover is fixed on valve body, pressure guide hole is corresponding and interconnected with the position of intercommunicating pore, by pressure guide hole and
Intercommunicating pore makes high pressure chest and inlet communication.
By using above-mentioned technical proposal, pressure guide hole, intercommunicating pore imported into intake pressure in high pressure chest, flexible sheet root
It floats up and down according to the variation of high pressure cavity pressure and low pressure cavity pressure, to drive dynamic spool to block or beat media outlet
It opens.
In conclusion the utility model has the advantages that：
1, by being arranged adjusting part in valve body, axially varying window between electronic spool and cage valve seat is big
It is small, realize the adjusting of balance regulating valve circulation area, the circulation area after this adjustment determines the uninterrupted for flowing through valve；
2, by the way that dynamic equilibrium component is arranged in valve body, the flexible sheet in dynamic equilibrium component is according to high pressure cavity pressure
Variation with low pressure cavity pressure floats up and down, and to drive dynamic spool to block or open media outlet, ensure that tune
Operting differential pressure before and after section component is constant, i.e., the operting differential pressure between import and dynamic equilibrium member medium entrance is constant, to
The constant of flow is realized, i.e.,：The a certain aperture of dynamic spool adjustment corresponds to some firm discharge value, and with flow through valve
Pressure size it is unrelated, only opening size between dynamic spool and cage valve seat is related；
3, by setting dynamic spool to tubular, more fully the media outlet on diaphragm sleeve can be blocked,
The effect for adjusting flow is more preferable.
Description of the drawings
Fig. 1 is the schematic diagram that dynamic balance adjusting valve is closed in embodiment 1；
Fig. 2 is the schematic diagram that dynamic balance adjusting valve is in open state in embodiment 1；
Fig. 3 is the axonometric drawing of cage valve seat in embodiment 1；
Fig. 4 is the axonometric drawing of electronic spool in embodiment 1.
In figure, 1, valve body；11, import；12, cage valve seat；121, cage window；13, it exports；14, pressure guide hole；2, it seals
Lid；21, gland；3, adjusting part；31, valve rod；32, electronic spool；4, bottom cover；41, intercommunicating pore；5, dynamic equilibrium group
Part；51, diaphragm sleeve；52, pressure spring；521, support base；53, dynamic spool；54, flexible sheet；55, end cover；
551, via.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment 1：A kind of dynamic balance adjusting valve, as shown in Figure 1 and Figure 2, including having allows medium from balance regulating valve
Import 11 flow to outlet 13 chamber valve body 1, the both sides that import 11 and outlet 13 are separately positioned on valve body 1, the chamber of valve body 1
It is provided with cage valve seat 12 in room, cage window 121 is offered on cage valve seat 12（With reference to Fig. 3）；Positioned at cage valve seat 12
It is movably provided with adjusting part 3 in top, the chamber being connected to import 11, is coordinated by adjusting part 3 and cage valve seat 12
The circulation area of adjustment regulating valve；It is flat it to be provided with dynamic in 12 lower section of cage valve seat, the chamber being connected to outlet 13
Weigh component 5, spaced formation high pressure chest between the downside and valve body 1 of dynamic equilibrium component 5, dynamic equilibrium component 5 and the height
Chamber connection, high pressure chest is pressed to be communicated with hydraulic power source；By the pressure difference between about 5 both sides of dynamic equilibrium component, make dynamic equilibrium group
The aperture of the automatic adjustment of part 5 outlet 13 ensure that the constant of pressure difference before and after adjusting part 3, to realize the constant of flow.
1 place suitable for reading of valve body, which is wholely set or is detachably fixed, is connected with sealing cover 2, and adjusting part 3 includes being threaded through sealing
Valve rod 31 on lid 2, sealing cover 2 will play the role of support while 1 closure suitable for reading of valve body to valve rod 31；Valve rod 31 and sealing
Filler is provided between lid 2, filler is compressed by gland 21 to realize the sealing between valve rod 31 and sealing cover 2.
The lower end of valve rod 31 is connected with and the electronic spool of the single seat Window-type of 12 mouthfuls of size fits of cage valve seat 32（With reference to figure
4）, electronic spool 32 and cage valve seat 12 contact to form closed cavity.Valve rod 31 can be by the Electric Actuator of Direct Travel（Figure
In do not show）Or the driving device driving of other Direct Travels, valve rod 31 drive electronic spool 32 while reciprocating motion along axis
It moves synchronously, axially varying window interval size between electronic spool 32 and cage valve seat 12 realizes balance regulating valve stream
The adjusting of logical area.
Dynamic equilibrium component 5 is mounted in the lower mouth of valve body 1, and the lower mouth of valve body 1 by bottom cover 4 block and to dynamic
It is fixed that balanced component 5 plays the role of support, there are appropriate interval between bottom cover 4 and dynamic equilibrium component 5, forms high pressure chest；
The intercommunicating pore 41 being connected to the high pressure chest is offered on bottom cover 4, pressure guide hole 14 is offered at the import 11 of valve body 1, when bottom cover 4 is pacified
When dress is fixed on valve body 1, pressure guide hole 14 is corresponding and interconnected with the position of intercommunicating pore 41, passes through pressure guide hole 14 and intercommunicating pore
High pressure chest is connected to by 41 cooperation with import 11.
Dynamic equilibrium component 5 includes the diaphragm sleeve 51 gripped between valve body 1 and bottom cover 4, diaphragm sleeve 51 and cage
12 coaxial line of formula valve seat and there are appropriate interval, should between be divided into the media outlet 13 of dynamic equilibrium component 5, on cage valve seat 12
Cage window 121 is the medium inlet of dynamic equilibrium component 5；The side of cage valve seat 12 towards diaphragm sleeve 51 is equipped with pressure difference
The support base 521 of spring 52, support base 521 will not form cage window 121 and block, and the free end of pressure spring 52 is connected to
On the bearing of dynamic spool 53, dynamic spool 53 is the tubular structure of open at one end, and opening is arranged towards pressure spring 52, is outer
Shape and size are adapted to the inside of diaphragm sleeve 51, and pressure spring 52 is as dynamic spool 53 is together along the axis of diaphragm sleeve 51
Movement, the size for changing media outlet 13 is blocked by dynamic spool 53, and inside and the cage valve seat 12 of dynamic spool 53 coordinate
It forms low pressure chamber and is connected to medium inlet.
Inside of the diaphragm sleeve 51 far from 12 one end of cage valve seat is fixedly connected with end cover 55,53 direction of dynamic spool
One end cladding of end cover 55 is provided with flexible sheet 54, and the material of flexible sheet 54 is selected as rubber or other elastic materials；
The periphery sealing of flexible sheet 54 is between diaphragm sleeve 51 and end cover 55, shape between flexible sheet 54 and end cover 55
At high pressure chest, via 551 is offered on end cover 55, is connected to external high pressure chest by via 551.
The movement driving force of dynamic spool 53 is：Low pressure cavity pressure+differential pressure spring force=high pressure cavity pressure, dynamic spool
The 53 frictional resistance very littles being subject to during sliding in diaphragm sleeve 51, this is the necessary condition of high sensitivity.When dynamic
When balanced component 5 is mounted in the valve body 1 of the chamber with large volume, the volume of dynamic spool 53 and diaphragm sleeve 51 is also sent out
Raw respective change, the cooperation precision of the two also changes, to influence the high sensitivity of dynamic equilibrium component 5；By diaphragm set
Cylinder 51 is arranged with the interval of cage valve seat 12, the length of axially-extending pressure spring 52, does not have to change other sizes, not interfere with dynamic
The cooperation precision of state spool 53 and diaphragm sleeve 51, to ensure that the high sensitivity of dynamic equilibrium component 5.
When dynamic balance adjusting valve works, first drive the valve rod 31 of adjusting part 3 by electronic spool 32 and cage valve seat 12
Separation, flow enter from import 11, the low pressure chamber of dynamic equilibrium component 5 are flowed through, then flow out from its media outlet 13, finally from valve
The outlet 13 of body 1 is discharged；Flow from 11 thermally coupled flow balanced component 5 of import while pass through built-in pressure guide hole 14, intercommunicating pore
41 intake pressures are imported into high pressure chest, and flexible sheet 54 is floated downward in the variation according to high pressure cavity pressure and low pressure cavity pressure
It is dynamic, to drive dynamic spool 53 to block or open media outlet 13, it ensure that the operting differential pressure before and after adjusting part 3
Constant, i.e., the operting differential pressure between import 11 and the medium inlet of dynamic equilibrium component 5 is constant, to realize the perseverance of flow
It is fixed.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (8)
1. a kind of dynamic balance adjusting valve, it is characterised in that：Including valve body (1), offered in the valve body (1) allow medium from
The import (11) of balance regulating valve flow to the chamber of outlet (13), and cage valve seat (12) is provided in the chamber of the valve body (1),
Cage valve seat offers the window passed through for medium on (12)；Movement is provided with adjusting in the chamber being connected to import (11)
Component (3), the adjusting part (3) includes valve rod (31) and the electronic spool (32) being connected on valve rod (31), by electronic
The circulation area of spool (32) and cage valve seat (12) cooperation adjustment regulating valve；In the chamber being connected to outlet (13)
It is provided with dynamic equilibrium component (5), the dynamic equilibrium component (5) includes diaphragm sleeve (51), diaphragm sleeve (51) and cage
Valve seat (12) coaxial line and there are appropriate interval, diaphragm sleeve (51) internal activity is connected with dynamic spool (53), the cage
Elastic component is provided between valve seat (12) and dynamic spool (53), cladding is provided with flexible sheet on the dynamic spool (53)
(54), the inside of the diaphragm sleeve (51) is fixedly connected with end cover (55), the periphery sealing of the flexible sheet (54)
Between diaphragm sleeve (51) and end cover (55), there are cavitys between the flexible sheet (54) and end cover (55)；
The high pressure chest for being connected to hydraulic power source, flexible sheet (54) and sealed end are equipped between the end cover (55) and valve body (1)
Cavity between lid (55) is connected to the high pressure chest.
2. dynamic balance adjusting valve according to claim 1, it is characterised in that：The adjusting part (3) is arranged in valve body
(1) in suitable for reading, the sealed set suitable for reading of valve body (1) has sealing cover (2), the valve rod (31) to be threaded through on sealing cover (2).
3. dynamic balance adjusting valve according to claim 2, it is characterised in that：The valve rod (31) and sealing cover (2) it
Between be provided with filler, filler is compressed it by gland (21).
4. dynamic balance adjusting valve according to claim 1, it is characterised in that：The input terminal of the valve rod (31) is connected with
Electric Actuator.
5. dynamic balance adjusting valve according to claim 1, it is characterised in that：The elastic component is pressure spring (52),
The support base (521) of the pressure spring (52) is mounted on cage valve seat (12), and the free end of pressure spring (52) is connected to
On the bearing of dynamic spool (53).
6. dynamic balance adjusting valve according to claim 1, it is characterised in that：The dynamic spool (53) is open at one end
Tubular structure, opening is adapted to towards pressure spring (52) setting, shape and size with the inside of diaphragm sleeve (51).
7. dynamic balance adjusting valve according to claim 1, it is characterised in that：The material selection of the flexible sheet (54)
For rubber.
8. dynamic balance adjusting valve according to claim 1, it is characterised in that：The dynamic equilibrium component (5) is mounted on
In the lower mouth of valve body (1), the lower mouth of valve body (1) by bottom cover (4) block and plays support admittedly to dynamic equilibrium component (5)
Fixed effect forms high pressure chest there are appropriate interval between bottom cover (4) and dynamic equilibrium component (5)；It is opened on the bottom cover (4)
Equipped with the intercommunicating pore (41) being connected to the high pressure chest, pressure guide hole (14), bottom cover are offered at the import (11) of the valve body (1)
(4) after being fixed on valve body (1), pressure guide hole (14) and the position of intercommunicating pore (41) are corresponding and interconnected, pass through pressure guide hole
(14) and intercommunicating pore (41) makes high pressure chest be connected to import (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820322122.6U CN207906455U (en) | 2018-03-08 | 2018-03-08 | A kind of dynamic balance adjusting valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820322122.6U CN207906455U (en) | 2018-03-08 | 2018-03-08 | A kind of dynamic balance adjusting valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906455U true CN207906455U (en) | 2018-09-25 |
Family
ID=63558842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820322122.6U Active CN207906455U (en) | 2018-03-08 | 2018-03-08 | A kind of dynamic balance adjusting valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207906455U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578817A (en) * | 2019-09-29 | 2019-12-17 | 绥中泰德尔自控设备有限公司 | Dynamic balance regulating valve |
| CN113566004A (en) * | 2021-06-07 | 2021-10-29 | 中建三局第三建设工程有限责任公司 | Flow control valve, air-conditioning water system and hydraulic balance debugging method thereof |
-
2018
- 2018-03-08 CN CN201820322122.6U patent/CN207906455U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110578817A (en) * | 2019-09-29 | 2019-12-17 | 绥中泰德尔自控设备有限公司 | Dynamic balance regulating valve |
| CN113566004A (en) * | 2021-06-07 | 2021-10-29 | 中建三局第三建设工程有限责任公司 | Flow control valve, air-conditioning water system and hydraulic balance debugging method thereof |
| CN113566004B (en) * | 2021-06-07 | 2022-12-20 | 中建三局第三建设工程有限责任公司 | Flow control valve, air-conditioning water system and hydraulic balance debugging method thereof |
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