CN108036092B - Automatic selection valve for air source of oven - Google Patents
Automatic selection valve for air source of oven Download PDFInfo
- Publication number
- CN108036092B CN108036092B CN201711480400.7A CN201711480400A CN108036092B CN 108036092 B CN108036092 B CN 108036092B CN 201711480400 A CN201711480400 A CN 201711480400A CN 108036092 B CN108036092 B CN 108036092B
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- China
- Prior art keywords
- channel
- diaphragm
- valve
- air inlet
- pressure
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Links
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 9
- 239000007789 gas Substances 0.000 description 27
- 239000002737 fuel gas Substances 0.000 description 13
- 238000007789 sealing Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/32—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting on a servo-mechanism or on a catch-releasing mechanism
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Fluid Pressure (AREA)
- Feeding And Controlling Fuel (AREA)
- Regulation And Control Of Combustion (AREA)
Abstract
The invention discloses an automatic air source selection valve of an oven, which comprises a valve body, wherein an air inlet channel and an air outlet channel are arranged in the valve body, a first channel and a second channel are arranged in the valve body, two ends of the first channel are communicated with the air inlet channel and the air outlet channel, two ends of the second channel are communicated with the air inlet channel and the air outlet channel, a pressure stabilizing valve is arranged in the first channel and used for adjusting the opening size of the first channel according to pressure, a selection valve is arranged in the second channel and used for controlling the opening and the closing, a pressure sensing device is arranged in the air inlet channel and used for controlling the selection valve to work. The invention detects the gas pressure in the gas inlet channel through the pressure sensing device, if the gas pressure does not reach the set value, the pressure sensing device does not act (the initial state selection valve closes the second channel), and the gas enters the gas outlet channel from the first channel; if the gas pressure reaches the set value, the pressure sensing device controls the selection valve to open the second channel, and the gas enters the gas outlet channel from the second channel, so that the degree of automation is high.
Description
Technical Field
The invention relates to an automatic gas source selection valve of an oven.
Background
Because different fuel gases have different characteristics, the parameters such as heat load, combustion potential, white number … … and the like are different, different fuel gases need to adopt different fuel gas valves so as to fully burn the fuel gases, thereby maximally utilizing the heat energy of the fuel gases. Because the traditional gas valve can only be used for one gas source, if the condition of changing the gas source is met, the valve is replaced again, or parts inside the valve are replaced, so that the aim of enabling the other gas source to burn stably on the same burner is fulfilled, however, the operation can cause inconvenience to manufacturers and users, and meanwhile, great waste of resources is caused, if the gas source is replaced by the users, a certain danger exists, and disastrous accidents are easy to happen; for this reason, two gas sharing gas valves exist in the market, but the existing two gas sharing gas valves need to manually switch different gases, so that the intelligent gas valve is not intelligent enough; to this end, the invention provides an oven valve which automatically switches according to the air supply.
Disclosure of Invention
In order to solve the problems, the invention provides an automatic oven air source selection valve.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides an oven air supply automatic selection valve, includes the valve body, be provided with inlet channel, the passageway of giving vent to anger in the valve body, first passageway and second passageway, first passageway both ends intercommunication inlet channel, the passageway of giving vent to anger, second passageway both ends intercommunication inlet channel, the passageway of giving vent to anger are provided with the steady voltage valve in the first passageway for according to the first passageway opening size of pressure regulation, set up the selection valve control in the second passageway and open and close, be provided with pressure sensing device in the inlet channel, pressure sensing device control selection valve work.
The first channel and the second channel are arranged in parallel.
The pressure stabilizing valve comprises a first diaphragm, a connecting rod and a first spring, wherein the first diaphragm is arranged in an air outlet channel, the periphery of the first diaphragm is connected with the side wall of the air outlet channel, a first cavity is formed in the air outlet channel and communicated with the atmosphere, one end of the first spring is connected with one side of the first diaphragm, the other end of the first spring is connected with the side wall of the first cavity, the connecting rod is arranged on the other side of the first diaphragm and connected with the other side of the first diaphragm, the connecting rod can extend into the first channel, and the movement of the connecting rod in the first channel can adjust the opening size of the first channel.
The connecting rod is arranged to be cone-shaped near the end part of the first channel, and an annular bulge matched with the end part is arranged on the inner wall of the first channel.
The pressure sensing device comprises a second diaphragm, an action rod, a second spring, a trigger rod and a control device, wherein the second diaphragm is arranged in the air inlet channel, the periphery of the second diaphragm is connected with the side wall of the air inlet channel, a second cavity is formed in the air inlet channel and is communicated with the atmosphere, one end of the second spring is connected with one side of the second diaphragm, the other end of the second spring is connected with the side wall of the second cavity, the action rod is arranged on the side part, facing the second cavity, of the second diaphragm, the trigger rod is arranged in the second cavity, the action rod can contact the trigger rod to generate a trigger signal after the control device detects the trigger signal, and the action of the selection valve is controlled.
The beneficial effects of the invention are as follows: the invention detects the gas pressure in the gas inlet channel through the pressure sensing device, if the gas pressure does not reach the set value, the pressure sensing device does not act (the initial state selection valve closes the second channel), and the gas enters the gas outlet channel from the first channel; if the pressure of the fuel gas reaches a set value, the pressure stabilizing valve closes the first channel, the pressure sensing device controls the selection valve to open the second channel, and the fuel gas enters the air outlet channel from the second channel; the automatic degree is high, and a user only needs to simply control the valve core to adjust the fire, and other operations are not needed. From the above, the invention has smart structure, can be shared by different gases, can automatically switch according to the used gases, and has good sealing performance.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic illustration of the present invention;
FIG. 2 is a schematic cross-sectional view of the present invention with the second passageway closed;
fig. 3 is a schematic cross-sectional view of the present invention when the second channel is opened.
Detailed Description
Referring to fig. 1 to 3, the invention relates to an automatic oven air source selection valve, which comprises a valve body 1, wherein an air inlet channel 2 and an air outlet channel 3 are arranged in the valve body 1, a first channel 4 and a second channel 5 are arranged in the valve body 1, two ends of the first channel 4 are communicated with the air inlet channel 2 and the air outlet channel 3, two ends of the second channel 5 are communicated with the air inlet channel 2 and the air outlet channel 3, a pressure stabilizing valve 6 is arranged in the first channel 4 and used for adjusting the opening size of the first channel 4 according to pressure, a selection valve 7 is arranged in the second channel 5 and used for controlling the opening and the closing, a pressure sensing device 8 is arranged in the air inlet channel 2, and the pressure sensing device 8 is used for controlling the selection valve 7 to work; the first channel 4 and the second channel 5 are arranged in parallel. The invention detects the gas pressure in the air inlet channel 2 through the pressure sensing device 8, if the gas pressure does not reach the set value, the pressure sensing device 8 does not act (the initial state selection valve 7 closes the second channel 5), and the gas enters the air outlet channel 3 from the first channel 4; if the pressure of the fuel gas reaches a set value, the pressure stabilizing valve 6 closes the first channel 4, the pressure sensing device 8 controls the selection valve 7 to open the second channel 5, and the fuel gas enters the air outlet channel 3 from the second channel 5; the automatic degree is high, and a user only needs to simply control the valve core to adjust the fire, and other operations are not needed. From the above, the invention has smart structure, can be shared by different gases, can automatically switch according to the used gases, and has good sealing performance.
As shown in the figure, the pressure stabilizing valve 6 comprises a first diaphragm 9, a connecting rod 10 and a first spring 11, the first diaphragm 9 is installed in the air outlet channel 3, the periphery of the first diaphragm 9 is connected with the side wall of the air outlet channel 3, a first cavity 12 is separated in the air outlet channel 3, the first cavity 12 is communicated with the atmospheric pressure, one end of the first spring 11 is connected with one side of the first diaphragm 9, the other end of the first spring 11 is connected with the side wall of the first cavity 12, the connecting rod 10 is installed on the other side of the first diaphragm 9 and connected, the connecting rod 10 can extend into the first channel 4, and the movement of the connecting rod 10 in the first channel 4 can adjust the opening size of the first channel 4; the end portion of the connecting rod 10, which is close to the first channel 4, is arranged in a cone shape, and an annular protrusion 13 matched with the end portion is arranged on the inner wall of the first channel 4. When the fuel gas passes through the first channel 4, if the pressure is too large, the first diaphragm 9 can move outwards to drive the connecting rod 10 to be close to the annular protrusion 13, so that the gap between the two is reduced, the opening size of the first channel 4 is further reduced, and the purpose of automatic adjustment is achieved.
As shown in the figure, the pressure sensing device 8 includes a second diaphragm 14, an actuating lever 15, a second spring 16, a trigger lever 17, and a control device 18, where the second diaphragm 14 is installed in the air intake channel 2, the periphery of the second diaphragm 14 is connected with the side wall of the air intake channel 2, a second cavity is separated in the air intake channel, the second cavity is communicated with atmospheric pressure, one end of the second spring 16 is connected with one side of the second diaphragm 14, the other end is connected with the side wall of the second cavity, the actuating lever 15 is installed on the side of the second diaphragm 14 facing the second cavity, the trigger lever 17 is installed in the second cavity, the actuating lever 15 can contact with the trigger lever 17 along with the action of the second diaphragm 14 to generate a trigger signal, and the control device 18 controls the action of the selector valve 7 after detecting the trigger signal; the selection valve can be specifically in an electromagnetic control mode, for example, an electromagnetic driving mechanism drives a sealing block 19 to move, and the sealing block 19 can move to open and close the second channel. When the pressure of the fuel gas in the air inlet channel 2 is large, the second diaphragm 14 moves outwards to drive the action rod 15 to move, if the pressure exceeds a set value, the action rod 15 can touch the trigger rod 17 and then send a trigger signal, the control device 18 detects the control signal and can control the selection valve 7 to open the second channel 5, the fuel gas directly enters the air outlet channel 3 from the second channel 5, and the pressure stabilizing valve 6 seals the first channel 4 under the action of the high-pressure fuel gas. It can be seen that the invention can realize that different channels are selected for gas with different pressures to supply gas, so that the gas supply is more intelligent and reasonable, the control device 18 supplies power through the battery, the control device 18 only controls the selection valve 7 once, when the selection valve 7 acts once, the pressure sensing device 8 does not act even if a signal is sent out again, the selection valve 7 can be reset only after a user reinstallates the battery, the action can be carried out once, and after reinstallation of the battery, the pressure sensing device 8 sends out a signal, and the control device 18 works once.
The above examples are only preferred embodiments of the invention, and other embodiments of the invention are possible. Equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the invention, and these equivalent modifications or substitutions are intended to be included within the scope of the present claims.
Claims (4)
1. The automatic air source selecting valve for the oven is characterized by comprising a valve body, wherein an air inlet channel and an air outlet channel are arranged in the valve body, a first channel and a second channel are arranged in the valve body, two ends of the first channel are communicated with the air inlet channel and the air outlet channel, two ends of the second channel are communicated with the air inlet channel and the air outlet channel, a pressure stabilizing valve is arranged in the first channel and used for adjusting the opening size of the first channel according to pressure, a selecting valve is arranged in the second channel and used for controlling the opening and the closing, a pressure sensing device is arranged in the air inlet channel, and the pressure sensing device controls the selecting valve to work; the pressure stabilizing valve comprises a first diaphragm, a connecting rod and a first spring, wherein the first diaphragm is arranged in an air outlet channel, the periphery of the first diaphragm is connected with the side wall of the air outlet channel, a first cavity is formed in the air outlet channel and communicated with the atmosphere, one end of the first spring is connected with one side of the first diaphragm, the other end of the first spring is connected with the side wall of the first cavity, the connecting rod is arranged on the other side of the first diaphragm and connected with the other side of the first diaphragm, the connecting rod can extend into the first channel, and the movement of the connecting rod in the first channel can adjust the opening size of the first channel.
2. The oven gas source automatic selector valve of claim 1 wherein said first and second passages are disposed in parallel.
3. The automatic oven air source selector valve according to claim 1, wherein the end portion of the connecting rod adjacent to the first passage is provided with a cone shape, and the inner wall of the first passage is provided with an annular protrusion matched with the end portion.
4. The automatic oven air source selection valve according to claim 1, wherein the pressure sensing device comprises a second diaphragm, an action rod, a second spring, a trigger rod and a control device, wherein the second diaphragm is installed in the air inlet channel, the periphery of the second diaphragm is connected with the side wall of the air inlet channel, a second cavity is formed in the air inlet channel and communicated with the atmosphere, one end of the second spring is connected with one side of the second diaphragm, the other end of the second spring is connected with the side wall of the second cavity, the action rod is installed on the side part of the second diaphragm facing the second cavity, the trigger rod is installed in the second cavity, the action rod can contact with the trigger rod along with the action of the second diaphragm, and the control device controls the action of the selection valve after detecting the trigger signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480400.7A CN108036092B (en) | 2017-12-29 | 2017-12-29 | Automatic selection valve for air source of oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711480400.7A CN108036092B (en) | 2017-12-29 | 2017-12-29 | Automatic selection valve for air source of oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108036092A CN108036092A (en) | 2018-05-15 |
| CN108036092B true CN108036092B (en) | 2024-03-26 |
Family
ID=62098464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711480400.7A Active CN108036092B (en) | 2017-12-29 | 2017-12-29 | Automatic selection valve for air source of oven |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108036092B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555953A (en) * | 2009-04-14 | 2009-10-14 | 王战勇 | Solenoid valve for burning stove |
| CN206299837U (en) * | 2016-11-14 | 2017-07-04 | 中山利特隆瓦斯器材有限公司 | A kind of oven valve automatically switched according to source of the gas |
| CN207989840U (en) * | 2017-12-29 | 2018-10-19 | 中山利特隆瓦斯器材有限公司 | A kind of oven air source automatically selects valve |
-
2017
- 2017-12-29 CN CN201711480400.7A patent/CN108036092B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555953A (en) * | 2009-04-14 | 2009-10-14 | 王战勇 | Solenoid valve for burning stove |
| CN206299837U (en) * | 2016-11-14 | 2017-07-04 | 中山利特隆瓦斯器材有限公司 | A kind of oven valve automatically switched according to source of the gas |
| CN207989840U (en) * | 2017-12-29 | 2018-10-19 | 中山利特隆瓦斯器材有限公司 | A kind of oven air source automatically selects valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108036092A (en) | 2018-05-15 |
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