CN200949705Y - dynamic pressure difference balancing type electric regulating valve - Google Patents
dynamic pressure difference balancing type electric regulating valve Download PDFInfo
- Publication number
- CN200949705Y CN200949705Y CN 200620118508 CN200620118508U CN200949705Y CN 200949705 Y CN200949705 Y CN 200949705Y CN 200620118508 CN200620118508 CN 200620118508 CN 200620118508 U CN200620118508 U CN 200620118508U CN 200949705 Y CN200949705 Y CN 200949705Y
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- CN
- China
- Prior art keywords
- bellows
- pressure
- valve body
- valve
- spool
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- Expired - Lifetime
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Abstract
The utility model relates to an electric adjusting valve of dynamic pressure difference balance, which includes a valve body, an electric valve core, a pressure difference balance valve core, as well as an inner diaphragm, an aqueduct, a pressure guide hole and a filter screen. The inner diaphragm is horizontally arranged in the valve body, and divides the valve body inner cavity into a water inlet cavity and a water outlet cavity respectively, a valve mouth is provided on the inner diaphragm, the electric valve core, the pressure difference balance valve core are respectively fixed upon the valve body and below the valve body, the filter screen is embedded in the water inlet cavity of the valve body, the valve body is also arranged with the pressure guide hole connected to the water inlet cavity, a pressure measuring hole connected to the water outlet cavity, one end of the aqueduct is connected to the pressure guide hole, the other end is connected to the pressure difference balance valve core; this scheme can effectively filter impurity, reduce the resistance in the pipeline, decrease or reduce the impact phenomenon of the pipeline, saving electric energy, and avoid that working parameters of air-conditioning in other using position are changed due to an air-conditioning in some place closing. This product structure is designed safely and compactly, more convenient to maintain.
Description
Technical field
The utility model relates to a kind of regulating valve, particularly relates to a kind of dynamic differential pressure balanced electric control valve.
Background technique
In the building air-conditioner system of prior art, for connecting different air-conditioning units, be to adopt parallel way mostly, but several air-conditioning units in parallel simultaneously, after the flow in one of them air-conditioning unit has carried out regulating, and the air-conditioning unit that other is in parallel with it, the variation that the capital produces flow because of its change, in the prior art in order to solve the problem of above-mentioned existence, always in system, set up electric control valve and dynamic differential pressure balancing valve simultaneously,, cause following some shortcomings owing to adopt this solution.(1) two valve has increased the resistance of pipeline, and negotiability descends, the cost cost height of the air-conditioning system of (2) building, and quadergy consumption is big, and relative stability is bad between two valves that match (3), goes out bigger.
Summary of the invention
The purpose of this utility model provides a kind of dynamic differential pressure balanced electric control valve, by this valve is installed on pipeline, not only reduced cost, reduced the pipeline resistance, impurity in the filtering pipe, and can not cause the running parameter of other use position air-conditioning to become, to remedy the deficiencies in the prior art because of closing of somewhere air-conditioning.
The technical scheme in the invention for solving the above technical problem is: a kind of dynamic differential pressure balanced electric control valve, it comprises valve body, automatically controlled spool, the pressure balance spool, it also includes internal partition, aqueduct, pressure guide hole and filter screen, described internal partition is horizontally set in the valve body, respectively body cavity is divided into water-inlet cavity and water chamber, also be provided with valve port on the internal partition, described automatically controlled spool, the pressure balance spool is separately fixed at the above and below of valve body, the upper end of the lower end of its automatically controlled spool and pressure balance spool is separately positioned on the corresponding position up and down of valve port, be inlaid with filter screen in the water-inlet cavity of described valve body, also be provided with the pressure guide hole that is connected with water-inlet cavity on the described valve body, the pressure tap that is connected with water chamber, described aqueduct one end links to each other with pressure guide hole, and the other end is connected with the pressure balance spool.
Described pressure balance spool is by the pressure balance device, bellows, bellows place shell constitutes, described bellows upper end is fixed on the lower end of pressure balance device, the below of bellows is provided with the bellows shell, the periphery of bellows shell is fixed on the bellows, middle part below bellows, be provided with the bellows cavity of resorption between bellows shell and the bellows, the bottom of the lower link that is provided with in the described pressure balance device is passed bellows and is pressed on the bellows inner bottom part, pressure balance device top is provided with balance valve core, its balance valve core is upwards corresponding with valve port, the neutral position of balance valve core is to being provided with boss, the sidewall of boss is provided with the back pressure mouth, be connected in described back pressure mouth and the bellows, be connected with the bellows cavity of resorption with the aqueduct the other end of pressure guide hole Joint.
The utility model in actual applications, pass through filter screen at water-inlet cavity, remove and filtered the foreign matter in the pipeline, automatically controlled spool is under the effect of the final controlling element that can receive the building signal, control and handle automatically controlled spool, make between its automatically controlled spool and the valve port and reach certain aperture, the differential pressure balancing valve that is arranged at the below is communicated with the aqueduct of water-inlet cavity, after picking up the pressure of water-inlet cavity, enter in the bellows cavity of resorption, from the bottom that lower direction promotes bellows, the back pressure mouth that is in valve port place in the water chamber in bellows, makes the bellows bottom be subjected to water-inlet cavity pressure upwards and downward water chamber pressure respectively the propagation of pressure of water chamber; Thereby reach the pressure balance spool and be in transferring of valve port, and maintain a metastable aperture.
The dynamic differential pressure balanced electric control valve of the utility model, pass through the technical program, effective impurity screening, reduce the resistance in the pipeline, reduce or reduce the impact phenomenon of pipeline, save the electronic energy, and can not cause the running parameter of other use position air-conditioning to change because of closing of somewhere air-conditioning, the utility model product, the structural design safe, compact is safeguarded convenient.
Description of drawings
Fig. 1 is a form structure schematic representation of the present utility model.
Fig. 2 is a sectional structure schematic representation of the present utility model.
Among the figure, 1 valve body, 2 pressure guide holes, 3 aqueducts, 4 bellows shells, 5 pressure balance spools, 6 pressure taps, 7 automatically controlled spools, 8 filter screens, 9 water-inlet cavitys, 10 internal partitions, 11 pressure balance devices, 12 bellows cavity of resorptions, 13 bellows, 14 lower links, 15 balance valve cores, 16 boss, 17 back pressure mouths, 18 valve ports, 19 water chambers.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
As illustrated in fig. 1 and 2, the differential pressure balanced electric control valve of the utility model attitude, it comprises valve body 1, automatically controlled spool 7, pressure balance spool 5, it also includes internal partition 10, aqueduct 3, pressure guide hole 2 and filter screen 8, described internal partition 10 is horizontally set in the valve body 1, respectively valve body 1 inner chamber is divided into water-inlet cavity 9 and water chamber 19, also be provided with valve port 18 on the internal partition 10, described automatically controlled spool 7, pressure balance spool 5 is separately fixed at the above and below of valve body 1, the upper end of the lower end of its automatically controlled spool 7 and pressure balance spool 5 is separately positioned on the corresponding position up and down of valve port 18, be inlaid with filter screen 8 in the water-inlet cavity 9 of described valve body 1, also be provided with the pressure guide hole 2 that is connected with water-inlet cavity 9 on the described valve body 1, the pressure tap 6 that is connected with water chamber 19, described aqueduct 3 one ends link to each other with pressure guide hole 2, and the other end is connected with pressure balance spool 5.
Described pressure balance spool 5 is by pressure balance device 11, bellows 13, bellows place shell 4 constitutes, described bellows 13 upper ends are fixed on the lower end of pressure balance device 11, the below of bellows 13 is provided with bellows shell 4, the periphery of bellows shell 4 is fixed on the bellows 13, middle part below bellows 13, be provided with bellows cavity of resorption 12 between bellows shell 4 and the bellows 13, the bottom of the lower link 14 that is provided with in the described pressure balance device 11 is passed bellows 13 and is pressed on bellows 13 inner bottom parts, pressure balance device 11 tops are provided with balance valve core 15, its balance valve core 15 is upwards corresponding with valve port 18, the neutral position of balance valve core 15 is to being provided with boss 16, the sidewall of boss 16 is provided with back pressure mouth 17, be connected in described back pressure mouth 17 and the bellows 13, be connected with bellows cavity of resorption 12 with aqueduct 3 the other ends of pressure guide hole 2 Joints.
Claims (2)
1. dynamic differential pressure balanced electric control valve, it comprises valve body, automatically controlled spool, the pressure balance spool, it is characterized in that: it also includes internal partition, aqueduct, pressure guide hole and filter screen, described internal partition is horizontally set in the valve body, respectively body cavity is divided into water-inlet cavity and water chamber, also be provided with valve port on the internal partition, described automatically controlled spool, the pressure balance spool is separately fixed at the above and below of valve body, the upper end of the lower end of its automatically controlled spool and pressure balance spool is separately positioned on the corresponding position up and down of valve port, be inlaid with filter screen in the water-inlet cavity of described valve body, also be provided with the pressure guide hole that is connected with water-inlet cavity on the described valve body, the pressure tap that is connected with water chamber, described aqueduct one end links to each other with pressure guide hole, and the other end is connected with the pressure balance spool.
2. dynamic differential pressure balanced electric control valve according to claim 1, it is characterized in that: described pressure balance spool is by the pressure balance device, bellows, the bellows shell constitutes, described bellows upper end is fixed on the lower end of pressure balance device, the below of bellows is provided with the bellows shell, the periphery of bellows shell is fixed on the bellows, middle part below bellows, be provided with the bellows cavity of resorption between bellows shell and the bellows, the bottom of the lower link that is provided with in the described pressure balance device is passed bellows and is pressed on the bellows inner bottom part, pressure balance device top is provided with balance valve core, its balance valve core is upwards corresponding with valve port, the neutral position of balance valve core is to being provided with boss, the sidewall of boss is provided with the back pressure mouth, is connected in described back pressure mouth and the bellows, is connected with the bellows cavity of resorption with the aqueduct the other end of water-guiding hole Joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620118508 CN200949705Y (en) | 2006-06-06 | 2006-06-06 | dynamic pressure difference balancing type electric regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620118508 CN200949705Y (en) | 2006-06-06 | 2006-06-06 | dynamic pressure difference balancing type electric regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200949705Y true CN200949705Y (en) | 2007-09-19 |
Family
ID=38892249
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620118508 Expired - Lifetime CN200949705Y (en) | 2006-06-06 | 2006-06-06 | dynamic pressure difference balancing type electric regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200949705Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709801B (en) * | 2009-11-19 | 2011-05-04 | 浙江沃尔达铜业有限公司 | Dynamic differential pressure balanced control valve |
| CN102128293A (en) * | 2010-12-07 | 2011-07-20 | 杭州春江阀门有限公司 | Adjustable dynamic flow balancing valve |
-
2006
- 2006-06-06 CN CN 200620118508 patent/CN200949705Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709801B (en) * | 2009-11-19 | 2011-05-04 | 浙江沃尔达铜业有限公司 | Dynamic differential pressure balanced control valve |
| CN102128293A (en) * | 2010-12-07 | 2011-07-20 | 杭州春江阀门有限公司 | Adjustable dynamic flow balancing valve |
| CN102128293B (en) * | 2010-12-07 | 2012-05-09 | 杭州春江阀门有限公司 | Adjustable dynamic flow balancing valve |
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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: 20070919 |
|
| EXPY | Termination of patent right or utility model |