CN201636417U - Electromagnetic gas proportioning valve - Google Patents
Electromagnetic gas proportioning valve Download PDFInfo
- Publication number
- CN201636417U CN201636417U CN2009202719292U CN200920271929U CN201636417U CN 201636417 U CN201636417 U CN 201636417U CN 2009202719292 U CN2009202719292 U CN 2009202719292U CN 200920271929 U CN200920271929 U CN 200920271929U CN 201636417 U CN201636417 U CN 201636417U
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Abstract
The utility model provides an electromagnetic gas proportioning valve which can be arranged in a gas flow channel. The electromagnetic gas proportioning valve adopts the structure that a main valve, a control valve, a differential pressure valve and a proportioning valve are arranged in a valve body, wherein the control valve is directly controlled by the main valve without additionally arranging electromagnetic components, is arranged downstream the main valve, and comprises a control valve, an exhaust flow channel communicated with the proportioning valve, and an adjustment flow channel leading the gas stream to flow to a back pressure chamber of the differential pressure valve; the control valve controls the opening degree of the differential pressure valve, so as to keep the gas flowing out of the valve body to be stable; and as the control valve is arranged in the main flow channel, when gas is adjusted to keep a steady flow, the leakproof purpose is achieved only through two valves.
Description
Technical field
The utility model relates to the relevant structure of a kind of and gas flow control, particularly a kind of stable combustion gas electromagnetic proportional valve of gas flow that keeps.
Background technique
As shown in Figure 1 and Figure 2, known gas flow control valve is provided with a main valve 91 on a valve body 90, a pressure difference valve 92, is adjusted a valve 93 and a Proportional valve 94, and main valve 91, adjustment valve 93 and this Proportional valve 94 are all solenoid valve, by electromagnet and the start that coil is controlled after the energising, wherein:
Be provided with a sprue in the aforementioned valve body 90,91 upstream ends that are arranged at sprue of this main valve; This pressure difference valve 92 is arranged at the downstream part of sprue, at least include the diaphragm 96 and one and the pressure differential valve 97 of diaphragm 96 interlocks that a back pressure chamber 95, is arranged at back pressure chamber 95 tops, and the high and low position that relies on pressure differential valve 97 to open and close can adjust the openings of sizes of pressure difference valve 92 valve ports, advances the purpose of adjusting the gas flow number to reach.
The aforementioned adjustment valve 93 that is arranged on the valve body comprises that a grate flow channel and by Proportional valve 94 control openings of sizes supplies the adjustment runner of gas flow toward the back pressure chamber 95 of pressure difference valve 92; After main valve 91, adjustment valve 93 and the 94 energising starts of this Proportional valve, combustion gas enters sprue by main valve 91, and adjust the gas quantity that control enters back pressure chamber 95 by pressure difference valve 92 and Proportional valve 94, then the diaphragm in the back pressure chamber 95 96 can up raise along with the increase and decrease of gas quantity or down descend, then with the pressure differential valve 97 of diaphragm 96 interlocks also can with rising or toward descending, change the size of pressure difference valve 92 valve ports with this, adjust gas flow, and then reach the stable purpose of gas flow maintenance that valve body is flowed out in order.
Aforesaid gas flow control valve no doubt has the stable effect of gas flow that keeps flowing out valve body, still, on reality is used, but still exists many shortcomings to have much room for improvement, for example:
One, aforementioned gas flow control valve is provided with the solenoid valve more than three, be respectively main valve 91, adjust valve 93 and Proportional valve 94, cost of idleness too, if can simplify the control of main valve 91, adjustment valve 93 and Proportional valve 94 these three valves, control two valves with a solenoid valve, then must save when solenoid valve is set, cost of material such as relevant electromagnet and coil are to reach the purpose that reduces cost.
Two, on the function of combustion gas leakproof, though the upstream and downstream of sprue are respectively equipped with the leakproof valve that a main valve 91 and pressure difference valve 92 have twice, but, to control on the stable runner of gas flow maintenance, but have only one valve in order to control the circulation of combustion gas, therefore, with actual use condition, have only one valve in fact in the circulation of controlling combustion gas, can not meet the requirement of twice Valve leakageproofing; Therefore, for the making manufacturer of gas flow control valve, reducing manufacture cost is a problem of needing the horse back solution badly with the Security that increases the combustion gas leakproof.
In view of this, the design people accumulates the research and the experiment of association area for many years, special model utility goes out a kind of " combustion gas electromagnetic proportional valve ", known gas flow control valve can be improved and higher manufacture cost need be spent, and also can't reach twice Valve leakageproofing shortcoming in the use, have reducing cost and improve effect safe in utilization.
Summary of the invention
The purpose of this utility model is to provide a kind of combustion gas electromagnetic proportional valve, not only can use two valves of an electromagnetic valve to have the effect that reduces fabricating cost, moreover, also can increase the valve quantity in the combustion gas runner, advancing to reach increases purpose safe in utilization.
For reaching above-mentioned purpose, a kind of combustion gas electromagnetic proportional valve that is arranged in the combustion gas runner of the utility model, it is the Proportional valve that a main valve, a control valve by main valve control, a pressure difference valve and an adjustment combustion gas gas output ratio are set in a valve body, wherein:
This control valve is arranged at the main valve downstream, and comprises that a control valve, a control valves door supply the adjustment runner of gas flow toward pressure difference valve with connecting rod, the grate flow channel that is connected with Proportional valve and that the main valve of main valve interconnects setting;
This pressure difference valve is arranged at the downstream part of control valve, includes the diaphragm and one and the pressure differential valve of diaphragm interlock that a back pressure chamber, that be communicated with to adjust runner is arranged at the back pressure chamber top at least; Make main valve energising start open main valve, this main valve interlock connecting rod drives control valve and opens, and the pressure reduction between grate flow channel and adjustment runner, adjustment flows to gas quantity in the back pressure chamber via adjusting runner, this gas quantity changes the high and low position of back pressure chamber diaphragm, and then changes the openings of sizes of pressure differential valve and change gas flow.Wherein, control valve is the valve that prevents gas leakage.
Wherein, be provided with a sprue in the valve body, and main valve is arranged at the upstream end of sprue.
Wherein, when the valve body inlet pressure becomes big, the flow that control valve flows to grate flow channel can increase, relative current will diminish toward the flow of back pressure chamber, then the gas quantity in the back pressure chamber tails off, just descend by the pressure differential valve that diaphragm drove on the back pressure chamber, and then dwindle the valve port and minimizing gas flow of pressure difference valve.
Wherein, the opening of main valve increases interlock control valve opening and increases, and the gas flow that enters the pressure difference valve back pressure chamber increases.
When main valve is opened in main valve energising start, main valve interlock connecting rod drives control valve and opens, when this control valve is opened, pressure reduction between grate flow channel and adjustment runner, adjusted via adjusting runner and flowed to gas quantity in the back pressure chamber, this gas quantity has also changed the high and low position of back pressure chamber diaphragm, and then changes the openings of sizes of pressure differential valve and the flow that this opening is passed through in combustion gas, has the stable effect of gas flow maintenance that valve body is flowed out in order; And this control valve also equals to have increased by one valve for pressure difference valve, can reach the purpose of twice Valve leakageproofing.
Below, be described in further detail again at the mode of execution of each assembly, wherein:
Be provided with a sprue in the aforementioned valve body, and the upstream end of sprue is provided with aforementioned main valve; After main valve and Proportional valve energising start, when if electric current is constant, then the open height of main valve is constant, and control valve and pressure difference valve can be regulated the valve port size of pressure difference valve according to the variation in pressure at valve body inlet/outlet place, advance to reach the purpose of automatic voltage regulation, it is as follows that flowing mode is made in its adjustment:
When the valve body inlet pressure becomes big, the flow that control valve flows to grate flow channel can increase, relative current will diminish toward the flow of back pressure chamber, then the gas quantity in the back pressure chamber tails off, just descend by the pressure differential valve that diaphragm drove on the back pressure chamber, and then dwindle the valve port and minimizing gas flow of pressure difference valve, to reach the purpose of automatic voltage regulation, certainly, anti-increase gas flow also as the same is to reach the purpose of automatic voltage regulation.
In addition, after main valve and Proportional valve energising start, because the difference of size of current, the electromagnetic induction size that is produced is also different, the high and low position of the relative aforementioned control valve of main valve interlock is also different, if when electric current increased the opening increase of main valve, the gas flow that enters the pressure difference valve back pressure chamber via control valve also can increase, anti-minimizing as the same.
Compared to known technology, the utility model combustion gas electromagnetic proportional valve, its main valve can be controlled main valve and control valve simultaneously, to reduce the quantity that is provided with of electromagnetic assemblies such as electromagnet and coil, advance the effect that reduces cost to reach, in addition, this control valve can also increase the quantity of valve in the sprue, prevents that to reach gas leakage from increasing purpose safe in utilization.
Description of drawings
Fig. 1 is the generalized section before known gas flow control valve is regulated the gas flow start;
Fig. 2 is the generalized section after known gas flow control valve is regulated the gas flow start;
Fig. 3 is a generalized section of the present utility model;
Fig. 4 regulates the preceding generalized section of gas flow start for the utility model;
Fig. 5 is the generalized section in the start of the utility model adjusting gas flow;
Fig. 6 regulates generalized section after the gas flow start for the utility model.
Description of reference numerals: 10-valve body; The 11-sprue; 12-inlet; The 13-outlet port; The 20-main valve; The 21-main valve; The 30-control valve; The 31-control valve; The 32-connecting rod; The 33-grate flow channel; 34-adjusts runner; The 40-pressure difference valve; The 41-back pressure chamber; The 42-diaphragm; The 43-pressure differential valve; The 50-Proportional valve; 51-combustion gas ratio runner.
Embodiment
Following foundation technological means of the present utility model lists and is suitable for mode of execution of the present utility model, and cooperates graphic explanation as the back:
As shown in Figure 3, Figure 4, a kind of " combustion gas electromagnetic proportional valve " that is arranged in the combustion gas runner, it is that a main valve 20, is not directly needed to establish in addition electromagnetic assembly control by main valve 20 controls control valve 30, a pressure difference valve 40 and a Proportional valve 50 is set in a valve body 10, wherein:
This control valve 30 is arranged at main valve 20 downstreams and comprises that the main valve 21 of a control valve 31, a control valves door 31 and main valve 20 interconnects a grate flow channel 33 and an adjustment runner 34 for the past pressure difference valve 40 of gas flow that the connecting rod 32 of setting, interlinks with Proportional valve 50.
Aforementioned pressure difference valve 40 is arranged at the downstream part of control valve 30, at least include the diaphragm 42 and one and the pressure differential valve 43 of diaphragm 42 interlocks that a back pressure chamber 41, that is communicated with aforementioned adjustment runner 34 is arranged at back pressure chamber 41 tops, and can change the openings of sizes of pressure difference valve 40 by means of the high and low position that pressure differential valve 43 opens and closes, advance the purpose of adjusting gas flow to reach.
Extremely shown in Figure 6 as Fig. 4, when main valve 21 is opened in main valve 20 energising starts, main valve 21 interlock connecting rods 32 drive control valve 31 and open, when this control valve 31 is opened, pressure reduction between grate flow channel 33 and the adjustment runner 34, adjusted via adjusting runner 34 and flowed to gas quantity in the back pressure chamber 41, this gas quantity has also changed the high and low position of back pressure chamber 41 diaphragms 42, and then change the openings of sizes of pressure differential valve 43 and the flow that this opening is passed through in combustion gas, have the stable effect of gas flow maintenance that valve body 10 is flowed out in order; And this control valve 31 also equals to have increased by one valve for pressure difference valve 40, can reach the purpose of twice Valve leakageproofing.
Below, be described in further detail again at the mode of execution of each assembly, wherein:
Be provided with a sprue 11 in the aforementioned valve body 10, and the upstream end of sprue 11 is provided with aforementioned main valve 20; After main valve 20 and Proportional valve 50 energising starts, when if electric current is constant, then the open height of main valve 21 is constant, control valve 30 and pressure difference valve 40 can be regulated the valve port size of pressure difference valve 40 according to the variation in pressure at valve body 10 inlet/ outlet places 12,13, advance to reach the purpose of automatic voltage regulation, it is as follows that flowing mode is made in its adjustment:
When valve body 10 inlets 12 pressure become big, the flow that control valve 30 flows to grate flow channel 33 can increase, relative current will diminish toward the flow of back pressure chamber 41, then the gas quantity in the back pressure chamber 41 tails off, the pressure differential valve 43 that is driven by the diaphragm on the back pressure chamber 41 42 just descends, and then dwindles the valve port and minimizing gas flow of pressure difference valve 40, to reach the purpose of automatic voltage regulation, certainly, anti-increase gas flow also as the same is to reach the purpose of automatic voltage regulation.
In addition, after main valve 20 and Proportional valve 50 energising starts, because the difference of size of current, the electromagnetic induction size that is produced is also different, the high and low position of the relative aforementioned control valve 31 of main valve 21 interlocks is also different, if when electric current increased the opening increase of main valve 20, the gas flow that enters pressure difference valve 40 back pressure chambers 41 via control valve 30 also can increase, vice versa reduces.
The above person only, it only is preferred embodiment of the present utility model, when not limiting the scope that the utility model is implemented with this, so the change of numerical value or displacement of equivalent elements such as, or, all should still belong to the category that the utility model patent contains according to equalization variation and modification that the utility model claim is done.
Claims (2)
1. a combustion gas electromagnetic proportional valve is the Proportional valve that a main valve, a control valve by main valve control, a pressure difference valve and an adjustment combustion gas gas output ratio are set in a valve body, it is characterized in that:
This control valve is arranged at the main valve downstream, and comprises that one prevents that the control valve of gas leakage, the control valves door from supplying the adjustment runner of gas flow toward pressure difference valve with connecting rod, the grate flow channel that is connected with Proportional valve and that the main valve of main valve interconnects setting;
This pressure difference valve is arranged at the downstream part of control valve, include at least a back pressure chamber, that be communicated with to adjust runner be arranged at the diaphragm that can change high and low position on the back pressure chamber and one and the diaphragm interlock can change the pressure differential valve of gas flow.
2. combustion gas electromagnetic proportional valve as claimed in claim 1 is characterized in that, be provided with a sprue in the valve body, and main valve is arranged at the upstream end of sprue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202719292U CN201636417U (en) | 2009-12-14 | 2009-12-14 | Electromagnetic gas proportioning valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202719292U CN201636417U (en) | 2009-12-14 | 2009-12-14 | Electromagnetic gas proportioning valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201636417U true CN201636417U (en) | 2010-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202719292U Expired - Fee Related CN201636417U (en) | 2009-12-14 | 2009-12-14 | Electromagnetic gas proportioning valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201636417U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185163A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Flow control proportioning valve |
| CN107218436A (en) * | 2017-06-29 | 2017-09-29 | 四川省雅安市航仪电器科技开发有限公司 | A kind of gas ratio valve |
| CN108506534A (en) * | 2018-06-07 | 2018-09-07 | 广东长青（集团）股份有限公司 | A kind of burning appliance control valve |
| CN109114225A (en) * | 2018-08-22 | 2019-01-01 | 杭州强邦精密机械电器有限公司 | Double pressure control proportioning valves and control method |
| WO2020024920A1 (en) * | 2018-07-31 | 2020-02-06 | 浙江三花智能控制股份有限公司 | Fuel gas proportional valve and electromagnetic driving device therefor |
-
2009
- 2009-12-14 CN CN2009202719292U patent/CN201636417U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103185163A (en) * | 2011-12-30 | 2013-07-03 | 北京谊安医疗系统股份有限公司 | Flow control proportioning valve |
| CN107218436A (en) * | 2017-06-29 | 2017-09-29 | 四川省雅安市航仪电器科技开发有限公司 | A kind of gas ratio valve |
| CN108506534A (en) * | 2018-06-07 | 2018-09-07 | 广东长青（集团）股份有限公司 | A kind of burning appliance control valve |
| CN108506534B (en) * | 2018-06-07 | 2024-02-06 | 长青热能科技(中山)有限公司 | Control valve for combustion apparatus |
| WO2020024920A1 (en) * | 2018-07-31 | 2020-02-06 | 浙江三花智能控制股份有限公司 | Fuel gas proportional valve and electromagnetic driving device therefor |
| CN109114225A (en) * | 2018-08-22 | 2019-01-01 | 杭州强邦精密机械电器有限公司 | Double pressure control proportioning valves and control method |
| CN109114225B (en) * | 2018-08-22 | 2019-10-29 | 杭州强邦精密机械电器有限公司 | Double pressure control proportioning valves and control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20131214 |