CN201265680Y - Dynamic balancing electric differential pressure regulation valve - Google Patents
Dynamic balancing electric differential pressure regulation valve Download PDFInfo
- Publication number
- CN201265680Y CN201265680Y CNU2008201419281U CN200820141928U CN201265680Y CN 201265680 Y CN201265680 Y CN 201265680Y CN U2008201419281 U CNU2008201419281 U CN U2008201419281U CN 200820141928 U CN200820141928 U CN 200820141928U CN 201265680 Y CN201265680 Y CN 201265680Y
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- China
- Prior art keywords
- control valve
- valve
- electric control
- differential pressure
- diaphragm
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- Expired - Lifetime
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- Electrically Driven Valve-Operating Means (AREA)
Abstract
The utility model discloses a dynamic equilibrium electric differential pressure control valve which comprises an electric control valve (1), and draft tubes (2) arranged at two ends of the electric control valve (1). The valve is characterized in that a differential pressure controller (3) is installed on the draft tube (2) at the initial end of the electric control valve (1), and the differential pressure controller (3) comprises a valve body (4), a valve plug (5), a spring (6), a diaphragm (7), a cavity (8) and a connecting tube (9). When the pressure of the inflow liquid is changed, the valve plug of the differential pressure controller is automatically longitudinally moved, the water flow of a flow guiding hole is adjusted, thereby the differential pressure at two ends of the electric control valve is not changed, the electric control valve is not influenced, not only the requirement of the user is satisfied, but also the energy is saved, the management is convenient, and the service life is prolonged.
Description
Affiliated technical field
The utility model belongs to the fluid pressure differential controlling device, a kind of specifically motor-driven pressure-difference valve.
Background technique
In the prior art, in the central air-conditioning system running, user's demand is constantly to change, and corresponding what bring is that fluctuation appears in system, causes the system water supply temperature too high when user's request is excessive.When user's request reduced, system water temperature was low excessively again, when satisfying low-temperature receiver near-end demand, can not reach terminal demand, and vice versa.If near-end and end are all reached when satisfying with regard to the serious waste energy.For solving as above problem, air-conditioner water system adopted electric control valve in recent years, and according to the flow size that pipeline is regulated in the variation of outdoor temperature, its advantage is to regulate automatically according to temperature variation.Its deficiency is, because the polytrope of user's actual need and the defective of electric control valve self-characteristic can't overcome the unstable period that all multifactor interference fringes of system come.
Summary of the invention
The purpose of the utility model is to overcome the above-mentioned deficiency of prior art, and a kind of dynamic balance motor-driven pressure-difference valve is provided, and the interference that can overcome extraneous factor keeps the balance and stability of pressure reduction.
For reaching above-mentioned purpose, the utility model is taked following technological scheme: the utility model includes: the honeycomb duct at electric control valve and two ends thereof, it is characterized in that: on the honeycomb duct at electric control valve top, be equiped with differential pressure controller, differential pressure controller includes: valve body, valve plug, spring, diaphragm, film chamber, PRESSURE PIPE, upper end portion at body cavity is connected with diaphragm, the diaphragm top is the film chamber, the diaphragm below is connected with the valve plug of band spring, be equipped with pod apertures corresponding to valve plug, electric control valve is communicated with pod apertures; The film chamber is communicated with by the honeycomb duct of PRESSURE PIPE with the electric control valve end.
The utility model is taked technique scheme, has following beneficial effect: when the utility model used, liquid flowed into from the end that electric control valve has differential pressure controller, flowed out from electric control valve is terminal.When influent pressure increased, the valve plug of differential pressure controller overcame spring force and moves up automatically, and the pod apertures flow reduces, and the differential pressure that reaches the electric control valve two ends is constant; When influent pressure reduced, the valve plug of differential pressure controller moved down automatically, and the differential pressure that reaches the electric control valve two ends is constant, made electric control valve avoid disturbing.Thereby, when user's request is excessive or too small, differential pressure controller is regulated automatically, flow is turned down or open big, can effectively overcome pressure of supply water and change the interference that brings, can effectively overcome pressure of return water again and change the interference that brings, the pressure reduction before and after the all-the-time stable electric control valve is constant, and electric control valve is worked under perfect condition all the time.Real has accomplished and can meet consumers' demand, and saves the energy again, not only is convenient to management but also has prolonged its working life.
Description of drawings
Below in conjunction with drawings and Examples the utility model is elaborated:
Fig. 1 is the utility model structure diagram.
Mark among the figure: 1-electric control valve, 2-honeycomb duct, 3-differential pressure controller, 4-valve body, 5-valve plug, 6-spring, 7-diaphragm, 8-film chamber, 9-PRESSURE PIPE, 10-pod apertures
Embodiment
By shown in Figure 1, the utility model includes: the honeycomb duct 2 at electric control valve 1 and two ends thereof, on the honeycomb duct 2 at electric control valve 1 top, be equiped with differential pressure controller 3, differential pressure controller 3 includes: valve body 4, valve plug 5, spring 6, diaphragm 7, film chamber 8, PRESSURE PIPE 9, upper end portion at valve body 4 inner chambers is connected with diaphragm 7, and diaphragm 7 tops are film chamber 8, and diaphragm 7 belows are connected with the valve plug 5 of band spring 6, be equipped with pod apertures 10 corresponding to valve plug 5, electric control valve 1 is communicated with pod apertures 10; Film chamber 8 is communicated with the honeycomb duct 2 of electric control valve 1 end by PRESSURE PIPE 9.
Valve plug 5 of the present utility model is taper, moving about its pressure reduction variation according to electric control valve top and end realizes, thus regulate water flow, come balance pressure reduction.
Electric control valve of the present utility model is a prior art, no longer describes in detail.
Claims (2)
1, a kind of dynamic balance motor-driven pressure-difference valve, include: the honeycomb duct (2) at electric control valve (1) and two ends thereof, it is characterized in that: on the honeycomb duct (2) at electric control valve (1) top, be equiped with differential pressure controller (3), differential pressure controller (3) includes: valve body (4), valve plug (5), spring (6), diaphragm (7), film chamber (8), PRESSURE PIPE (9), upper end portion at valve body (4) inner chamber is connected with diaphragm (7), diaphragm (7) top is film chamber (8), diaphragm (7) below is connected with the valve plug (5) of band spring (6), be equipped with pod apertures (10) corresponding to valve plug (5), film chamber (8) are communicated with by the terminal honeycomb duct (2) of PRESSURE PIPE (9) and electric control valve (1).
2, a kind of dynamic balance motor-driven pressure-difference valve according to claim 1 is characterized in that: valve plug (5) is taper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201419281U CN201265680Y (en) | 2008-09-15 | 2008-09-15 | Dynamic balancing electric differential pressure regulation valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201419281U CN201265680Y (en) | 2008-09-15 | 2008-09-15 | Dynamic balancing electric differential pressure regulation valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201265680Y true CN201265680Y (en) | 2009-07-01 |
Family
ID=40832048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201419281U Expired - Lifetime CN201265680Y (en) | 2008-09-15 | 2008-09-15 | Dynamic balancing electric differential pressure regulation valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201265680Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154279A (en) * | 2014-07-31 | 2014-11-19 | 上海工业自动化仪表研究院 | Control device and method for adjusting pressure difference of dust explosion preventing equipment |
| CN112122807A (en) * | 2020-09-22 | 2020-12-25 | 安徽中科春谷激光产业技术研究院有限公司 | Annular nozzle for laser and method thereof |
-
2008
- 2008-09-15 CN CNU2008201419281U patent/CN201265680Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104154279A (en) * | 2014-07-31 | 2014-11-19 | 上海工业自动化仪表研究院 | Control device and method for adjusting pressure difference of dust explosion preventing equipment |
| CN104154279B (en) * | 2014-07-31 | 2016-08-24 | 上海工业自动化仪表研究院 | For regulating the control device and method of dust explosion protection equipment pressure difference |
| CN112122807A (en) * | 2020-09-22 | 2020-12-25 | 安徽中科春谷激光产业技术研究院有限公司 | Annular nozzle for laser and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090701 |
|
| CX01 | Expiry of patent term |