CN203730837U - Dual controlled proportional gas valve - Google Patents
Dual controlled proportional gas valve Download PDFInfo
- Publication number
- CN203730837U CN203730837U CN201420068005.3U CN201420068005U CN203730837U CN 203730837 U CN203730837 U CN 203730837U CN 201420068005 U CN201420068005 U CN 201420068005U CN 203730837 U CN203730837 U CN 203730837U
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- Prior art keywords
- valve
- proportional
- priming
- self
- cover plate
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- 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 - Lifetime
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- 230000009977 dual effect Effects 0.000 title claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 29
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 29
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000007789 gas Substances 0.000 claims description 30
- 239000004411 aluminium Substances 0.000 claims description 26
- 210000000981 epithelium Anatomy 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 15
- 230000003139 buffering effect Effects 0.000 claims description 12
- 230000007246 mechanism Effects 0.000 claims description 4
- 239000000567 combustion gas Substances 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 3
- 239000010985 leather Substances 0.000 abstract 2
- 239000012528 membrane Substances 0.000 abstract 2
- 239000003570 air Substances 0.000 description 34
- 238000000034 method Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
- Multiple-Way Valves (AREA)
Abstract
The utility model discloses a dual controlled proportional gas valve, comprising a proportional valve, and a main self-absorption valve and an auxiliary self-absorption valve connected with the proportional valve, wherein the other side of the upper end of the proportional valve body is provided with an output port, the output end of the main self-absorption valve is aligned with the buffer air cavity of the valve body, an aluminum valve element is arranged at the center of the buffer air cavity, the upper end of the buffer air cavity is connected with a valve clack which corresponds to a valve seat arranged at the upper side of the buffer air cavity, the lower end of the valve body is connected with a cover plate, the periphery of a leather membrane is clamped between the lower end of the valve body and the cover plate, the lower end of the aluminum valve element is connected with the center hole of the leather membrane, the lower end of the cover plate is connected with the proportional solenoid, the movable valve element of the proportional solenoid corresponds to the lower end face of the aluminum valve element, the upper end of the movable valve element is propped against a reset spring, the upper end of the reset spring is abutted against the cover plate, the lower end face of the movable valve element is propped against a balance spring, the other end of the balance spring is propped against the adjusting bolt of the proportional solenoid, the side edge of the lower end of the proportional solenoid shell is provided with a pipe joint which is connected with a combustion chamber through a pipeline, and the combustion chamber is connected with an air supply pipe. The dual controlled proportional gas valve has the advantages of being active to adjust water temperature, real-time and stable to improve temperature.
Description
Technical field
The utility model belongs to valve for water heater technical field, is specifically related to a kind of ratio gas valve device.
Background technique
The general water heater of prior art is in the middle of being used, because causing water temperature, many reasons just change extremely, these reasons are the degree of stability difference of region source of the gas for example, winter, ambient air temperature was too low, entering water temp is on the low side etc., in order to tackle these abnormal conditions, sometimes need to strengthen gas inlet amount and increase firing chamber air output, but the admission gear of existing water heater and chamber structure lack to needs unconventional strengthen air inlet and firing chamber increases the due Proper Match of supplying gas to inlet end, so can increase to supply gas and produce new destabilizing factor owing to strengthening air inlet and firing chamber.
Chinese Patent Application No. 201110437095.X for example, name is called the application for a patent for invention of " a kind of numerical control gas burner ", disclose a kind of gas burner system, comprise the gas valve group, gas metering unit, blower, ignition mechanism, flame detection device and the high intelligent numerical control system that are equipped with; In work, high intelligent numerical control system, according to the feedback signals such as temperature or pressure and manual command, by the flame aperture of default burning machine, is controlled the gas flow that the output of gas valve group and flame aperture adapt; The gas flow providing according to gas metering unit and air fuel ratio, calculate and regulate the rotating speed of blower, guarantees that blower exporting best air distribution amount in flame adjustment process on a large scale all the time.This gas burner system improves emphatically control gear, adopt multinomial sniffer and high intelligent numerical control system, but its air inlet system is single gas-entered passageway, its caliber of single channel air inlet and valve port are all larger, can not distinguish is summer and winter, therefore regulates and will seem very coarse; And to feedback signals such as temperature or pressure, this processing mode of indirectly surveying feedback, exist temperature to regulate the deficiency that true temperature is just lagged behind, in other words, can only to be checkedly measure that water temperature is on the low side strengthens air inlet again, or the too high just minimizing of water temperature air inlet being detected, it is ageing very low.
Summary of the invention
The utility model technical issues that need to address are, overcome structure that the gas valve of prior art exists and the defect of control, a kind of timely increase and decrease air inlet and initiatively distribution are provided, open the gas valve sensitive, output water temperature is stable.
The purpose of this utility model is achieved by following technical proposals: a kind of dual control ratio gas valve, comprise Proportional valve, the main self-priming valve being connected with the Proportional valve inlet opening formula of meeting at right angles, it is characterized in that, in the valve body upper end of Proportional valve and the position of main self-priming valve the same side, be connected with auxiliary self-priming valve, the delivery outlet of the opposite side Set scale valve of valve body upper end, the output terminal correspondence of main self-priming valve the buffering air cavity of valve body, there is aluminium spool at the center of buffering air cavity, aluminium spool upper end connects flap, flap is corresponding with the valve seat that is located at buffering air cavity upside, valve body lower end is connected with cover plate, there is the periphery of an epithelium to be clamped between valve body lower end and cover plate, aluminium spool underpart is connected with the center hole of epithelium, cover plate lower end connects proportional electromagnetic valve, the movable valve plug of proportional electromagnetic valve is corresponding with aluminium spool lower end surface, the upper end of movable valve plug heads on Returnning spring, the upper end of Returnning spring is compressing cover plate, the lower end surface of movable valve plug heads on balance spring, the other end of balance spring withstands on the adjusting double-screw bolt of proportional electromagnetic valve, there is pipe joint at the side position corresponding with balance spring, housing underpart of proportional electromagnetic valve, pipe joint is connected with the firing chamber of combustion gas by pipeline, firing chamber is connected with supply air duct, main self-priming valve, auxiliary self-priming valve and proportional electromagnetic valve are controlled by electric control equipment.
In usual situation, auxiliary self-priming valve is closed, main self-priming valve is opened air inlet, Proportional valve is adjusted output flow, and buffering air cavity steady air flow prevents fluctuation or impacts epithelium separating ratio solenoid valve, the movable valve plug of proportional electromagnetic valve is controlled by electromagnetic coil energising, movable valve plug promotes aluminium spool and moves to drive flap to open size, and air pressure feedback in firing chamber is first moved and enforceable Driving force as movable valve plug, improves the ageing of lifting water temperature; Balance spring one is balanced feedback air pressure, the 2nd, and as precompression, make movable valve plug be fitted in all the time the lower end surface of aluminium spool, avoid the idle stroke of control procedure; In the winter of severe cold, need to improve water temperature, now electric control equipment is opened the auxiliary self-priming valve of straight through combustion chamber in good time and is increased air-supply, simultaneously movable valve plug regulates amount of movement with matching ratio valve opening degree by feeding back air pressure automatically, this ACTIVE CONTROL than prior art etc. to be detectedly control again that to produce hysteresis quality superior.
As preferably, regulate the spiral shell tail end of double-screw bolt to be provided with equilibrium bomb spring abutment.
As preferably, there is an axle head underpart of aluminium spool, the upper surface of epithelium intermediate portion is pressed in the shoulder of axle head by upper gasket, there is a pressure spring by lower gasket, to withstand on the lower surface of epithelium intermediate portion, the lower end of pressure spring withstands on back-up ring, the afterbody of axle head has draw-in groove, has a jump ring to coordinate and be pressed on the lower surface of back-up ring with draw-in groove.
As preferably, Returnning spring is enclosed within pressure spring outside with gap.
As preferably, assist the valve port unlatching of self-priming valve just to be determined according to detecting the water temperature flowing out through firing chamber by electric control equipment, and the setting value of auxiliary self-priming valve valve port open temp is higher than the setting value of main self-priming valve valve port open temp.
As preferably, in the valve body inside upper part position corresponding with the upper end portion of aluminium spool, be connected with lower protruding position-limited lever, the distance between the lower end surface of position-limited lever and the upper-end surface of aluminium spool is Proportional valve opening range.
As preferably, described delivery outlet is directly communicated with the output terminal of auxiliary self-priming valve.
As preferably, the length of position-limited lever is adjustable, and regulating mechanism consists of serrated nut and is furnished with locking nut.
The beneficial effects of the utility model are:
1. be provided with auxiliary self-priming valve, according to water temperature height stepping, control gas inlet amount, control careful accurate;
2. air pressure feedback in firing chamber automatically regulates and makes gas inlet amount and air output reach optimum Match;
3. there is first moving and active adjustment function, improve air output to coolant controlled real-time.
Accompanying drawing explanation
Fig. 1 is a kind of embodiment's of the utility model structural representation.
In figure, main self-priming valve 1; Valve body 2; Delivery outlet 21; Buffering air cavity 22; Valve seat 23; Auxiliary self-priming valve 3; Aluminium spool 4; Axle head 41; Upper gasket 42; Pressure spring 43; Lower gasket 44; Flap 5; Cover plate 6; Epithelium 7; Proportional electromagnetic valve 8; Movable valve plug 81; Returnning spring 82; Balance spring 83; Regulate double-screw bolt 84; Housing 85; Pipe joint 86; Electromagnetic coil 87.
Embodiment
Below in conjunction with accompanying drawing and specific embodiments, the invention will be further described.
Embodiment 1: as shown in Figure 1, a kind of dual control ratio gas valve, comprise Proportional valve, the main self-priming valve 1 being connected with the Proportional valve inlet opening formula of meeting at right angles, in valve body 2 upper ends of Proportional valve and the position of main self-priming valve 1 the same side, be connected with auxiliary self-priming valve 3, the valve port of auxiliary self-priming valve 3 is opened by electric control equipment and is just determined according to detecting the water temperature flowing out through firing chamber, and the setting value of auxiliary self-priming valve 3 valve port open temps is higher than the setting value of main self-priming valve 1 valve port open temp.The delivery outlet 21 of the opposite side Set scale valve of valve body 2 upper ends, delivery outlet 21 is directly communicated with the output terminal of auxiliary self-priming valve 3, the output terminal correspondence of main self-priming valve 1 the buffering air cavity 22 of valve body, there is aluminium spool 4 at buffering air cavity 22 center, aluminium spool 4 upper ends connect flap 5, flap 5 is corresponding with the valve seat 23 that is located at buffering air cavity 22 upsides, valve body 2 lower ends are connected with cover plate 6, there is the periphery of an epithelium 7 to be clamped between valve body 2 lower ends and cover plate 6, aluminium spool 4 underparts are connected with the center hole of epithelium 7, cover plate 6 lower ends connect proportional electromagnetic valve 8, the movable valve plug 81 of proportional electromagnetic valve 8 is corresponding with aluminium spool 4 lower end surfaces, the upper end of movable valve plug 81 heads on Returnning spring 82, the upper end of Returnning spring 82 is compressing cover plate 6, the lower end surface of movable valve plug 81 heads on balance spring 83, the other end of balance spring 83 withstands on the adjusting double-screw bolt 84 of proportional electromagnetic valve 8, regulate the spiral shell tail end of double-screw bolt 84 to be provided with equilibrium bomb spring abutment.There is pipe joint 86 at the housing 85 underpart sides position corresponding with balance spring 83 of proportional electromagnetic valve 8, and pipe joint 86 is connected with the firing chamber of combustion gas by pipeline, and firing chamber is connected with supply air duct; Main self-priming valve 1, auxiliary self-priming valve 3 and proportional electromagnetic valve 8 are controlled by electric control equipment.
In usual situation, auxiliary self-priming valve 3 is closed, main self-priming valve 1 is opened air inlet, Proportional valve is adjusted output flow, and buffering air cavity 22 steady air flows prevent fluctuation or impact epithelium 7 separating ratio solenoid valves 8, the movable valve plug 81 of proportional electromagnetic valve 8 is controlled by electromagnetic coil 87 energisings, movable valve plug 81 promotes aluminium spool 4 and moves the size that drives flap 5 to open, and air pressure feedback in firing chamber is first moved and enforceable Driving force as movable valve plug, improves the ageing of lifting water temperature; The effect one of balance spring 83 is balanced feedback air pressure, the 2nd, and as precompression, make movable valve plug 81 be fitted in all the time the lower end surface of aluminium spool 4, avoid the idle stroke of control procedure; In the winter of severe cold, need to improve water temperature, now electric control equipment is opened the auxiliary self-priming valve 3 of straight through combustion chamber in good time and is increased air-supply, simultaneously movable valve plug 81 regulates amount of movement with matching ratio valve opening degree by feedback air pressure automatically, this ACTIVE CONTROL than prior art etc. to be detected and then control that to produce hysteresis quality superior.
There is an axle head 41 underpart of aluminium spool 4, the upper surface of epithelium 7 intermediate portions is pressed in the shoulder of axle head 41 by upper gasket 42, there is a pressure spring 43 by lower gasket 44, to withstand on the lower surface of epithelium 7 intermediate portions, the lower end of pressure spring 43 withstands on back-up ring, the afterbody of axle head 41 has draw-in groove, has a jump ring to coordinate and be pressed on the lower surface of back-up ring with draw-in groove.
Embodiment 2: in the valve body inside upper part position corresponding with the upper end portion of aluminium spool, be connected with lower protruding position-limited lever, distance between the upper-end surface of the lower end surface of position-limited lever and aluminium spool is Proportional valve opening range, the length of position-limited lever is adjustable, and regulating mechanism consists of serrated nut and is furnished with locking nut.
The utility model is for gas valve, there is the water temperature of adjusting initiatively, improve water temperature realtime control, the advantage that water temperature is more stable, if those skilled in the art does simple modification or replacement to foregoing invention content, such change can not be thought to depart from the scope of the present invention, all like this to the apparent modification of those skilled in the art by within being included in the scope of claim of the present invention.
Claims (8)
1. a dual control ratio gas valve, comprise Proportional valve, the main self-priming valve with the Proportional valve inlet opening formula of meeting at right angles is connected, is characterized in that, in the valve body upper end of Proportional valve and the position of main self-priming valve the same side, be connected with auxiliary self-priming valve, the delivery outlet of the opposite side Set scale valve of valve body upper end, the output terminal correspondence of main self-priming valve the buffering air cavity of valve body, there is aluminium spool at the center of buffering air cavity, aluminium spool upper end connects flap, flap is corresponding with the valve seat that is located at buffering air cavity upside, valve body lower end is connected with cover plate, there is the periphery of an epithelium to be clamped between valve body lower end and cover plate, aluminium spool underpart is connected with the center hole of epithelium, cover plate lower end connects proportional electromagnetic valve, the movable valve plug of proportional electromagnetic valve is corresponding with aluminium spool lower end surface, the upper end of movable valve plug heads on Returnning spring, the upper end of Returnning spring is compressing cover plate, the lower end surface of movable valve plug heads on balance spring, the other end of balance spring withstands on the adjusting double-screw bolt of proportional electromagnetic valve, there is pipe joint at the side position corresponding with balance spring, housing underpart of proportional electromagnetic valve, pipe joint is connected with the firing chamber of combustion gas by pipeline, firing chamber is connected with supply air duct, main self-priming valve, auxiliary self-priming valve and proportional electromagnetic valve are controlled by electric control equipment.
2. a kind of dual control ratio gas valve according to claim 1, is characterized in that, regulates the spiral shell tail end of double-screw bolt to be provided with equilibrium bomb spring abutment.
3. a kind of dual control ratio gas valve according to claim 1 and 2, it is characterized in that, there is an axle head underpart of aluminium spool, the upper surface of epithelium intermediate portion is pressed in the shoulder of axle head by upper gasket, there is a pressure spring by lower gasket, to withstand on the lower surface of epithelium intermediate portion, the lower end of pressure spring withstands on back-up ring, and the afterbody of axle head has draw-in groove, has a jump ring to coordinate and be pressed on the lower surface of back-up ring with draw-in groove.
4. a kind of dual control ratio gas valve according to claim 3, is characterized in that, Returnning spring is enclosed within pressure spring outside with gap.
5. a kind of dual control ratio gas valve according to claim 4, it is characterized in that, the valve port of auxiliary self-priming valve is opened by electric control equipment and is just determined according to detecting the water temperature flowing out through firing chamber, and the setting value of auxiliary self-priming valve valve port open temp is higher than the setting value of main self-priming valve valve port open temp.
6. a kind of dual control ratio gas valve according to claim 4, it is characterized in that, in the valve body inside upper part position corresponding with the upper end portion of aluminium spool, be connected with lower protruding position-limited lever, the distance between the lower end surface of position-limited lever and the upper-end surface of aluminium spool is Proportional valve opening range.
7. a kind of dual control ratio gas valve according to claim 1 and 2, is characterized in that, described delivery outlet is directly communicated with the output terminal of auxiliary self-priming valve.
8. a kind of dual control ratio gas valve according to claim 6, is characterized in that, the length of position-limited lever is adjustable, and regulating mechanism consists of serrated nut and is furnished with locking nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068005.3U CN203730837U (en) | 2014-02-18 | 2014-02-18 | Dual controlled proportional gas valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420068005.3U CN203730837U (en) | 2014-02-18 | 2014-02-18 | Dual controlled proportional gas valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203730837U true CN203730837U (en) | 2014-07-23 |
Family
ID=51200912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420068005.3U Expired - Lifetime CN203730837U (en) | 2014-02-18 | 2014-02-18 | Dual controlled proportional gas valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203730837U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042646A (en) * | 2015-06-11 | 2015-11-11 | 杭州强邦精密机械电器有限公司 | Intelligent-cooking-control proportional valve kitchen range system and control method |
| CN110486527A (en) * | 2019-08-01 | 2019-11-22 | 中山市合捷电子科技有限公司 | A kind of pilot-operated type moving winding gas ratio valve |
-
2014
- 2014-02-18 CN CN201420068005.3U patent/CN203730837U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042646A (en) * | 2015-06-11 | 2015-11-11 | 杭州强邦精密机械电器有限公司 | Intelligent-cooking-control proportional valve kitchen range system and control method |
| CN110486527A (en) * | 2019-08-01 | 2019-11-22 | 中山市合捷电子科技有限公司 | A kind of pilot-operated type moving winding gas ratio valve |
| CN110486527B (en) * | 2019-08-01 | 2024-03-12 | 中山市华捷智能科技有限公司 | Pilot-operated type moving coil fuel gas proportional 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: 20140723 |
|
| CX01 | Expiry of patent term |