CN202280915U - Waterpower regulating valve - Google Patents
Waterpower regulating valve Download PDFInfo
- Publication number
- CN202280915U CN202280915U CN2011203207759U CN201120320775U CN202280915U CN 202280915 U CN202280915 U CN 202280915U CN 2011203207759 U CN2011203207759 U CN 2011203207759U CN 201120320775 U CN201120320775 U CN 201120320775U CN 202280915 U CN202280915 U CN 202280915U
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- main valve
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- 230000001105 regulatory effect Effects 0.000 title abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 36
- 238000004378 air conditioning Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000009423 ventilation Methods 0.000 abstract description 10
- 230000001276 controlling effect Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002510 pyrogen Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Fluid-Driven Valves (AREA)
- Temperature-Responsive Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model relates to a waterpower regulating valve in a heating ventilation and air-conditioning system, especially relates to a waterpower regulating valve which controls the valve opening degree of the waterpower regulating valve through a pressure difference. The waterpower regulating valve comprises a main valve body connected to a pipeline. The left side of the main valve body is a water inlet and the right side is a water outlet. A valve core is disposed between the water inlet and the water outlet, and a water inlet chamber is disposed between the water inlet and the valve core. A water outlet chamber is disposed between the water outlet and the valve core. The valve core is connected to a valve rod. The waterpower regulating valve is characterized in that the upper part of the main valve body is provided with a drive unit fixedly connected to the main valve body; the valve rod is connected to the drive unit; the valve rod between the valve core and the drive unit is sleeved by a spring; the water inlet chamber of the main valve body is provided with a first connection mouth, and the water outlet chamber is provided with a second connection mouth. The waterpower regulating valve is advantageous in that the influence of conditions in a pipeline on an electric power regulating valve is eliminated; cost of a heating ventilation and air-conditioning system is reduced.
Description
Technical field
The utility model relates to the waterpower adjustment valve in the heating ventilation air-conditioning system, particularly a kind of waterpower adjustment valve of controlling waterpower adjustment valve valve opening through pressure difference.
Background technique
Electric control valve is comparatively traditional and common a kind of control valve in the heating ventilation air-conditioning system.This type valve is formed by valve body (as: single-seat valve, double seated valve, the telescoping valve) assembly of electric actuator and each kind, characteristics, the electric control valve that has possessed various valves be with one-way communication electricity 220V as power source, accept unified standard electric signal 0-10mADC or 4-20mADC; Automatically control the aperture of electric control valve valve; Reach technology flow, pressure, temperature; The isoparametric automatic control of liquid level is one of self-regulating composition of production engineering.Be widely used in the automation control of industry such as electric power metallurgy, light industry, food, oil, chemical industry.
The motor-operated control valve that tradition is used has straight journey and circuitous type (butterfly type); The straight journey regulating water-quantity is linear, and the adjusting waterpower curve of circuitous type is into non-linear, in small-bore the straight journey product arranged; Heavy caliber generally all adopts circuitous type, and the degree of regulation of circuitous type compares relatively poor.Though simultaneously motor-operated control valve has outside the characteristics of highly reliable, full-function, surperlight type; But also also have many deficiencys: heat in 1, the motor operation can produce; When having served as the protection of thermal conductance pyrogenicity, electric control valve will quit work, and can't realize the control to pipeline; 2, the unlatching of electric control valve needs a period of time, can't realize quick unlatching, does not suit to use in the occasion of ask for something fast opening and closing; 3, because the motion of electric adjustment valve is many, the probability that produces fault is high, is especially regulating under the frequent operating mode, is easy to generate faults such as motor heat protection, reduction gear damage, module is burnt; 4, the caliber that is suitable for of electric adjustment valve is limited, and can adopt the inside nominal diameter scope commonly used of electric adjustment valve is 20～300mm; 5, the motor price is high, and particularly the electric adjustment valve price of big caliber is high especially, and user cost is high.
Summary of the invention
To above-mentioned technical problem; The utility model provides a kind of mortor operated valve through little discharge capacity to drive the waterpower adjustment valve of common valve switch; The utility model has overcome the influence of the interior operating mode of pipeline to the electric adjustment valve; Adopt common fluid-valve can realize the adjusting to the aperture of pipeline in addition, it has reduced the cost and the operation cost of heating ventilation air-conditioning system.
The utility model is realized through following technological scheme:
The waterpower adjustment valve comprises the main valve body that is connected on the pipeline, and the left side of main valve body is a water intake; The right side is a water outlet, between water intake and water outlet, is provided with a spool, between water intake and spool, forms a water-inlet cavity; Form a water chamber between water outlet and the spool, be connected with valve rod on the described spool, it is characterized in that: the top of described main valve body is provided with the drive unit that is fixedly connected on the main valve body; Described valve rod is connected with drive unit; On the valve rod between spool and the drive unit, be with spring, the water-inlet cavity of described main valve body is provided with first connection mouth, and water chamber is provided with second connection mouth; First connection mouth is connected with drive unit through first connecting pipeline; Second connection mouth is connected with drive unit through second connecting pipeline, and described first connecting pipeline is provided with filter, throttle valve and control valve, and described second connecting pipeline is provided with electric control valve.
Furtherly, described drive unit comprises the base that is connected on the main valve body, also comprises a upper cover body that base is sealed; Between base and upper cover body, form an airtight cavity, between base and upper cover body, be provided with the diaphragm that cavity is divided into upper cavity and lower chamber, diaphragm is connected with valve rod; Described upper cover body is provided with first through hole and second through hole; Described first through hole is connected with first connecting pipeline, and second through hole is connected with second connecting pipeline, is one here and is used to drive the drive unit that spool opens and closes; This drive unit is different through the pressure of spool side, realizes the driving to spool.
Furtherly; Described drive unit is a hydraulic cylinder, is provided with piston in the hydraulic cylinder, and piston is with being divided into upper cylinder body and lower cylinder body in the hydraulic cylinder; Valve rod is connected with piston; Described hydraulic cylinder is provided with first connecting through hole and second connecting through hole with upper cavity UNICOM, and described first connecting through hole is connected with first connecting pipeline, and second connecting through hole is connected with second connecting pipeline.
Adopt such scheme, the utlity model has following advantage:
1, the utility model is through using small-sized electric modulating valve and common waterpower valve combination; The small-sized electric modulating valve is connected on the pilot line as pilot valve; Common waterpower valve is connected the break-make of pilot line on the main line of heating ventilation air-conditioning system; Control the aperture of common waterpower valve through controlling the small-sized electric modulating valve, overcome and on the heating ventilation air-conditioning system pipeline, directly adopted the high problem of electric control valve cost;
2, electric control valve is connected on the pilot line, and the pressure in the pilot line is little, and is little to the impact of small-sized electric modulating valve, reduced the wearing and tearing of each component, helps prolonging the working life of electric control valve;
3, the utility model is also realized controlling the aperture of common waterpower valve through regulating the small-sized electric modulating valve, satisfies the requirement of client to valve;
4, the utility model drives the work of main valve through the small-sized electric modulating valve, and the power consumption of small-sized electric modulating valve is little, has reduced the operation cost of heating ventilation air-conditioning system.
Description of drawings
Fig. 1 is the structural representation of mode of execution one;
Fig. 2 is the structural representation of mode of execution two;
Among the figure, 1 is electric control valve, and 2 is second connecting pipeline, and 3 is spring, and 4 is water chamber, and 5 is second connection mouth; 6 is first connecting pipeline, and 7 is filter, and 8 is throttle valve, and 9 is spool, and 10 is control valve, and 11 is water-inlet cavity; 12 is first connection mouth, and 13 is valve rod, and 14 is base, and 15 is first through hole, and 16 is diaphragm, and 17 is upper cover body; 18 is second through hole, and 19 is upper cavity, and 20 is lower chamber, and 21 is main valve body, and 22 is hydraulic cylinder; 23 is piston, and 24 is lower cylinder body, and 25 is upper cylinder body, and 26 is first connecting through hole, and 27 is second connecting through hole.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is further specified.
Mode of execution one:
In the mode of execution 1 as shown in Figure 1, the waterpower adjustment valve comprises the main valve body 21 that is connected on the pipeline; The left side of main valve body 21 is a water intake, and the right side is a water outlet, between water intake and water outlet, is provided with a spool 9; Between water intake and spool 9, form a water-inlet cavity 11, form a water chamber 4 between water outlet and the spool 9, be connected with valve rod 13 on the described spool 9; The top of described main valve body 21 is provided with the drive unit that is fixedly connected on the main valve body, and described valve rod 13 is connected with drive unit, on the valve rod between spool 9 and the drive unit, is with spring; The water-inlet cavity 11 of described main valve body 21 is provided with first connection mouth 12; Water chamber 4 is provided with second connection mouth, 5, the first connection mouths 12 and is connected with drive unit through first connecting pipeline 6, and second connection mouth 5 is connected with drive unit through second connecting pipeline 2; Described first connecting pipeline 6 is provided with filter 7, throttle valve 8 and control valve 10; Described second connecting pipeline 2 is provided with electric control valve 1, and the drive unit described in this mode of execution comprises the base 14 that is connected on the main valve body, also comprises a upper cover body 17 that base 14 is sealed; Between base 14 and upper cover body 17, form an airtight cavity; Between base 14 and upper cover body 17, be provided with the diaphragm 16 that cavity is divided into upper cavity and lower chamber, diaphragm 16 is connected with valve rod 13, and described upper cover body 17 is provided with first through hole 15 and second through hole 18; Described first through hole 15 is connected with first connecting pipeline 6, and second through hole 18 is connected with second connecting pipeline 2.
The utility model through regulating the aperture that electric control valve is regulated common waterpower valve, is controlled the size of flow in the HVAC pipeline through common waterpower valve is combined with electric control valve, sets forth in the face of the working principle of waterpower adjustment valve down:
When 1, beginning, full of liquid in the water-inlet cavity of main valve body and the upper cavity of drive unit, the interior pressure of this moment water-inlet cavity and upper cavity equates; When main valve body need be opened, electric control valve was received control signal, and electric control valve is opened; This moment, the liquid of drive unit upper cavity was flowed in the water chamber by second connecting pipeline, and the pressure of the upper cavity of drive unit reduces at this moment, and the pressure of water-inlet cavity is greater than the pressure of upper cavity; Pressure flow promotion this moment spool moves up, and main valve body is opened.
2, when needs are regulated the waterpower adjustment valve; When needing to increase the aperture of main valve body, can send a control signal, the aperture of electric control valve is increased to electric control valve; Even the pressure difference of water-inlet cavity and drive unit upper cavity increases; Valve rod moves up, and drives on the spool to move, and the aperture of main valve body is increased; In the time of need dwindling the aperture of main valve body, can send control signal to electric control valve, control signal drives electric control valve and dwindles its aperture, and this moment, the pressure reduction of drive unit upper cavity and water-inlet cavity reduced, and valve rod drives spool and moves down, and the aperture of main valve body reduces.
Mode of execution two:
Mode of execution two as shown in Figure 2 has adopted novel drive unit; The structure of main valve body is identical with mode of execution one, and the described drive unit of this mode of execution is a hydraulic cylinder 22, is provided with piston 23 in the hydraulic cylinder 22; Piston 23 is with being divided into upper cylinder body 25 and lower cylinder body 24 in the hydraulic cylinder 22; Valve rod 13 is connected with piston 23, and described hydraulic cylinder 22 is provided with first connecting through hole 26 and second connecting through hole 27 with upper cavity 25 UNICOMs, and described first connecting through hole 26 is connected with first connecting pipeline 6; Second connecting through hole 27 is connected with second connecting pipeline 2, and the working principle of this mode of execution is identical with the principle of mode of execution one.
The described waterpower adjustment valve of the utility model adopts the small-sized electric modulating valve as pilot valve, drives the switch of main valve body; Overcome the high problem of big caliber electric control valve cost of using, can also adjust the aperture of main valve body through regulating the small-sized electric modulating valve simultaneously, realized control the main valve body flow; Satisfy client's needs, electric control valve is arranged on the pilot line in addition, and the load of electric control valve is little; Flatness is good, helps reducing the wearing and tearing of each parts of electric control valve, improves the working life of mortor operated valve; Simultaneously; In the operation of heating ventilation air-conditioning system, we only need to drive the break-make that the small-sized electric modulating valve is controlled the HVAC system, help reducing the operation cost of heating ventilation air-conditioning system.
Claims (3)
1. the waterpower adjustment valve comprises the main valve body that is connected on the pipeline, and the left side of main valve body is a water intake; The right side is a water outlet, between water intake and water outlet, is provided with a spool, between water intake and spool, forms a water-inlet cavity; Form a water chamber between water outlet and the spool, be connected with valve rod on the described spool, it is characterized in that: the top of described main valve body is provided with the drive unit that is fixedly connected on the main valve body; Described valve rod is connected with drive unit; On the valve rod between spool and the drive unit, be with spring, the water-inlet cavity of described main valve body is provided with first connection mouth, and water chamber is provided with second connection mouth; First connection mouth is connected with drive unit through first connecting pipeline; Second connection mouth is connected with drive unit through second connecting pipeline, and described first connecting pipeline is provided with filter, throttle valve and control valve, and described second connecting pipeline is provided with electric control valve.
2. waterpower adjustment valve according to claim 1; It is characterized in that: described drive unit comprises the base that is connected on the main valve body; Also comprise a upper cover body that base is sealed, between base and upper cover body, form an airtight cavity, between base and upper cover body, be provided with the diaphragm that cavity is divided into upper cavity and lower chamber; Diaphragm is connected with valve rod; Described upper cover body is provided with first through hole and second through hole, and described first through hole is connected with first connecting pipeline, and second through hole is connected with second connecting pipeline.
3. waterpower adjustment valve according to claim 1; It is characterized in that: described drive unit is a hydraulic cylinder, is provided with piston in the hydraulic cylinder, and piston is with being divided into upper cylinder body and lower cylinder body in the hydraulic cylinder; Valve rod is connected with piston; Described hydraulic cylinder is provided with first connecting through hole and second connecting through hole with upper cavity UNICOM, and described first connecting through hole is connected with first connecting pipeline, and second connecting through hole is connected with second connecting pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203207759U CN202280915U (en) | 2011-08-30 | 2011-08-30 | Waterpower regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203207759U CN202280915U (en) | 2011-08-30 | 2011-08-30 | Waterpower regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202280915U true CN202280915U (en) | 2012-06-20 |
Family
ID=46227084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203207759U Expired - Lifetime CN202280915U (en) | 2011-08-30 | 2011-08-30 | Waterpower regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202280915U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104696545A (en) * | 2015-03-27 | 2015-06-10 | 张凡 | Zero gauge pressure opened diaphragm valve |
| CN105090531A (en) * | 2015-08-21 | 2015-11-25 | 阿拉尔石大国利科技有限公司 | Electric valve |
| CN105849391A (en) * | 2013-12-20 | 2016-08-10 | 埃迈海卓尼克工程国际有限责任公司 | A valve and a method of controlling a valve in a fluid conduit |
-
2011
- 2011-08-30 CN CN2011203207759U patent/CN202280915U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105849391A (en) * | 2013-12-20 | 2016-08-10 | 埃迈海卓尼克工程国际有限责任公司 | A valve and a method of controlling a valve in a fluid conduit |
| CN104696545A (en) * | 2015-03-27 | 2015-06-10 | 张凡 | Zero gauge pressure opened diaphragm valve |
| CN105090531A (en) * | 2015-08-21 | 2015-11-25 | 阿拉尔石大国利科技有限公司 | Electric valve |
| CN105090531B (en) * | 2015-08-21 | 2018-11-27 | 新疆石大国利农业科技股份有限公司 | Motor-driven valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 213022 Qinling Mountains Road, Xinbei District, Jiangsu, China, No. 5, No. Patentee after: Jiangsu He Hai new forms of energy limited company Address before: 213022, No. 1-1, Xinbei District, Jiangsu, Hengshan Road, Changzhou Patentee before: Jiangsu Hehai New Energy Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120620 |