CN103836802A - Hypoxia protection device - Google Patents
Hypoxia protection device Download PDFInfo
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- CN103836802A CN103836802A CN201210493349.4A CN201210493349A CN103836802A CN 103836802 A CN103836802 A CN 103836802A CN 201210493349 A CN201210493349 A CN 201210493349A CN 103836802 A CN103836802 A CN 103836802A
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- gas
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- oxygen concentration
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Abstract
A hypoxia protection device is used for regulating supplied gas quantity when oxygen concentration around a gas burning device is lower than a preset value and comprises an electric gas valve, a thermal couple and a controller, wherein the electric gas valve is used for controlling gas flow supplied to the gas burning device. The thermal couple is arranged nearby the gas burning device and outputs thermoelectric force according to thermal energy generated by the gas burning device. The controller is electrically connected with the electric gas valve and the thermal couple and used for receiving the thermoelectric force, calculating whether the oxygen concentration around the gas burning device is lower than the preset value according to the thermoelectric force and generating an electric signal to control the electric gas valve to regulate gas supplied to the gas burning device when the oxygen concentration is lower than the preset value.
Description
Technical field
The present invention is relevant with gas device, in more detail refers to a kind of anoxia protection arrangement.
Background technology
The accident that uses gas-burner gas (as water heater, gas oven, fireplace etc.) the most often to occur is exactly anthracemia, and anthracemia refers under nonventilated environment, cause oxygen combustion incomplete because oxygen is not enough, and then and the accumulation that produces toxic gas carbon monoxide, people in unwitting situation by the contingency in carbon monoxide suction body.
Gas-burner gas in use, it is the basic important document of active combustion that gas fully mixes with oxygen, in the time of completing combustion, the carbon that it is contained, protium all can become carbon dioxide and water, and in the time of imperfect combustion, can produce poisonous carbon monoxide, especially in oxygen－deficient situation, this imperfect combustion situation is more serious, and in the time of winter, because temperature is low, people are under the front topic of being afraid of cold, conventionally all window can be closed and causes room air not circulate, be easy to the deficiency that will produce oxygen, the situation that carbon monoxide is piled up, and then cause anthracemia.
In addition, oxygen is that people tie up one of indispensable key element of continuous life, the composition of air is mainly made up of nitrogen 78.09%, oxygen 20.95%, argon gas 0.93%, carbon dioxide 0.03% and other minimum gas, in general, the best stable maintenance of room air oxygen concentration is more than 20.5%, side is enough to supply people and breathes and burn required, and the anoxic prevention rules of stipulating according to board of workers of TaiWan, China Executive Yuan, must keep oxygen concentration in air of workplace more than 18%, just can determine that personal security is without anxiety.
And be the object that reaches hypoxia protection, then there is dealer to research and develop a kind of anoxia protection arrangement for gas-burner gas, refer to Fig. 1, existing anoxia protection arrangement includes a thermocouple 50 and a gas valve 60, this thermocouple 50 is located near a gas combustion device 40, and the heat producing when burning gas according to this gas combustion device 40 is exported a thermoelectrical potential; This gas valve 60 has a coil 62, a magnet 64, a spring 66 and a valve 68, this coil 62 is electrically connected with this thermocouple 50, attract this magnet 66 in order to receive this thermoelectrical potential to produce a magnetic attraction, open this valve 68 to compress this spring 64, and then reach for the object of giving gas.In the time that this gas combustion device 40 oxygen concentration around declines, the heat of its generation also with reduction, the thermoelectrical potential that causes this thermocouple 50 to produce is declined.Thus, in the time that anoxic causes this thermoelectrical potential to drop to a certain degree, the magnetic attraction that this coil 62 produces will be less than the elastic force of this spring 66, original this spring 66 is by compression stretched and promotes this magnet 64 and moves, and close this valve 68, and then reach and hinder the but object of gas supply.
But; existing anoxia protection arrangement is whether the oxygen concentration around detecting by the mechanism design of magnetic force and elastic force is too low; this kind of design not only has internals and easily consumes, detects not accurate enough shortcoming; and this spring 66 used after a period of time; the easily flexible tired facts produces; this significantly reduces the degree of accuracy that causes this anoxia protection arrangement, and then has influence on user's safety.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of anoxia protection arrangement, is the design of electronic type, is not only difficult for consume and has high accuracy.
Edge to be to reach above-mentioned purpose, and anoxia protection arrangement provided by the present invention is in order to, to adjust for the gas that gives this gas combustion device during lower than a default value in the oxygen concentration around a gas combustion device; This anoxia protection arrangement includes an electronic gas valve, a thermocouple and a control device, and wherein, this electronic gas valve is in order to control for the gas flow that gives this gas combustion device; This thermocouple is located near this gas combustion device, and the heat energy producing when according to this gas combustion device burning gas is exported a thermoelectrical potential; This control device and this electronic gas valve and this thermocouple are electrically connected, the thermoelectrical potential producing in order to receive this thermocouple, and calculate that according to this thermoelectrical potential whether this gas combustion device oxygen concentration is around lower than this predetermined value, when oxygen concentration is during lower than this predetermined value, produce this electronic gas valve of electric signal control and adjust for the gas that gives this gas combustion device.
In addition, according to above-mentioned design, the present invention more provides a kind of gas-burner gas, and it includes a gas combustion device and an anoxia protection arrangement, and wherein, this gas combustion device is in order to produce hot able one by burning gas; This anoxia protection arrangement includes an electronic gas valve, a thermocouple and a control device; This electronic gas valve is in order to control for the gas flow that gives this gas combustion device; This thermocouple is located near this gas combustion device, and the heat energy producing when according to this gas combustion device burning gas is exported a thermoelectrical potential; This control device and this electronic gas valve and this thermocouple are electrically connected, the thermoelectrical potential producing in order to receive this thermocouple, and calculate that according to this thermoelectrical potential whether this gas combustion device oxygen concentration is around lower than this predetermined value, when oxygen concentration is during lower than this predetermined value, produce this electronic gas valve of electric signal control and adjust for the gas that gives this gas combustion device.
According to above-mentioned design, in the time that this control device is calculated oxygen concentration lower than this predetermined value, produce this signal of telecommunication and give this electronic gas valve blocking-up for the gas that gives this gas combustion device.
According to above-mentioned design, in the time that this control device is calculated oxygen concentration lower than this predetermined value, produce this signal of telecommunication and give this electronic gas valve reduction for the gas that gives this gas combustion device.
According to above-mentioned design, this control device is set with two predetermined values, is respectively one first predetermined value, and second predetermined value higher than this first predetermined value; In the time that control device is extrapolated this gas-burner gas ambient oxygen concentration lower than this first predetermined value, control this electronic gas valve blocking-up for the gas amount that gives this gas combustion device; In the time that control device is extrapolated this gas-burner gas ambient oxygen concentration lower than this second predetermined value, control this electronic gas valve and reduce for the gas amount that gives this gas combustion device.
According to above-mentioned design, this first predetermined value is between 18% to 20%; This second predetermined value is between 20.2% to 20.8%.
According to above-mentioned design, this control device includes a control circuit and a computing circuit of electric connection, this control circuit and this electronic gas valve are electrically connected, and give this electronic gas valve to control for the gas flow that gives this gas combustion device in order to produce this signal of telecommunication; This computing circuit and this thermocouple are electrically connected, and in order to receive this thermoelectrical potential, and set according to this thermoelectrical potential and this control circuit the gas flow of supplying, and calculate that whether this gas combustion device oxygen concentration is around lower than this predetermined value; When lower than this predetermined value, this control circuit is controlled this electronic gas valve and is adjusted gas supply.
According to above-mentioned design, this anoxia protection arrangement also comprises a signal receiver and a signal projector, and this signal receiver and this electronic gas valve are electrically connected; This signal projector and this control device are electrically connected; This control device is this electronic gas valve of mode control with wireless transmission by this signal projector and this signal receiver.
Moreover according to above-mentioned design, the present invention more provides another kind of gas-burner gas, it includes a gas combustion device, an air blast and an anoxia protection arrangement; Wherein, this gas combustion device is in order to produce heat energy by burning gas; This air blast gives this gas combustion device in order to force importing air; This anoxia protection arrangement, includes an electronic gas valve, a thermocouple and a control device; This electronic gas valve is in order to control for the gas flow that gives this gas combustion device; This thermocouple is located near this gas combustion device, and the heat energy producing when according to this gas combustion device burning gas is exported a thermoelectrical potential; This control device and this air blast and this thermocouple are electrically connected, the thermoelectrical potential producing in order to receive this thermocouple, and calculate that according to this thermoelectrical potential whether this gas combustion device oxygen concentration is around lower than a predetermined value, when oxygen concentration is during lower than this predetermined value, produce this air blast of a signal of telecommunication control and strengthen for the air capacity of giving this gas combustion device.
According to above-mentioned design, this anoxia protection arrangement also comprises an alarm device and is electrically connected with this control device, when to extrapolate this gas combustion device ambient oxygen concentration lower than this predetermined value when this control device, and generation one alarm signal.
According to above-mentioned design, this anoxia protection arrangement also comprises an air exhauster and the electric connection of this control device, turns round when to extrapolate this gas combustion device ambient oxygen concentration lower than this predetermined value when this control device.
Thus, the design of above-mentioned anoxia protection arrangement electronic type not only has advantages of the consume of being difficult for, and has the effect of high accuracy simultaneously.
Accompanying drawing explanation
For being illustrated more clearly in the present invention, below enumerate preferred embodiment and coordinate accompanying drawing to be described in detail as follows, wherein:
Fig. 1 is the structure chart of existing anoxia protection arrangement;
Fig. 2 is the gas-burner gas structure chart of the present invention's the first preferred embodiment;
Fig. 3 is the gas-burner gas structure chart of the present invention's the second preferred embodiment.
The specific embodiment
Refer to Fig. 2, the gas-burner gas of the present invention's the first preferred embodiment includes a gas combustion device 10 and an anoxia protection arrangement 20; This gas combustion device 10 in order to burn gas with produce heat energy.This anoxia protection arrangement 20 includes an electronic gas valve 21, a thermocouple 22, a control device 23, an alarm device 24 and an air exhauster 25.Wherein:
This electronic gas valve 21 is located on a gas runner 100, in order to control for the gas flow that gives this gas combustion device 10.
This thermocouple 22 is located near this gas combustion device 10, in order to receive according to seebeck effect (Seeback Effect) heat energy that this gas combustion device 10 produces, and will export a thermoelectrical potential after being heated.
This control device 23 includes a control circuit 231 and a computing circuit 232, this control circuit 231 is electrically connected with this electronic gas valve 21, gives this electronic gas valve 21 to control for the gas flow that gives this gas combustion device 1 () in order to produce a signal of telecommunication.232 of this computing circuits are electrically connected with this control circuit 231 and this thermocouple 22, and be set with one between the first predetermined value between 18% to 20% and the second predetermined value between 20.2% to 20.8%.This computing circuit 232 is in order to receive after this thermoelectrical potential, control according to this thermoelectrical potential and this control circuit 231 gas flow that this electronic gas valve 21 is supplied, calculate that whether this gas combustion device 10 oxygen concentration is around lower than this first predetermined value or this second predetermined value.And in the present embodiment, this first predetermined value is set as 18%, this second predetermined value is set as 20.5%, and has preset before dispatching from the factory.
Thus, in the time that this computing circuit 232 is extrapolated oxygen concentration lower than this second predetermined value, represent that this gas combustion device 10 oxygen concentration is around lower, not only easily cause that user is uncomfortable, and also can cause the incomplete probability of oxygen combustion to promote, now, 231 these signals of telecommunication of output of this control circuit are controlled these electronic gas valve 21 reductions for the gas amount that gives this gas combustion device 10.
And in the time that this computing circuit 232 is extrapolated oxygen concentration lower than this first predetermined value, represent that this gas combustion device 10 oxygen concentration is around too low, not only can work the mischief to user's health, and also can significantly promote the incomplete probability of oxygen combustion, now, 231 these electronic gas valves 21 of control of this control circuit are blocked the supply of gas.
This alarm device 24 is electrically connected with this control device 23, when to extrapolate these gas combustion device 10 ambient oxygen concentration lower than this first predetermined value or this second predetermined value when this computing circuit 232, produce a specific warning information (as buzzing or flash of light), make user to find in real time oxygen－deficient situation by warning information, and can at once carry out fault eliminating or flee from anaerobic environment.
This air exhauster 25 is electrically connected with this control device 23, turn round when to extrapolate these gas combustion device 10 ambient oxygen concentration lower than this first predetermined value or this second predetermined value at this computing circuit 222, and can drive this gas-burner gas ambient air circulation.
In addition, refer to Fig. 3, under the framework of Fig. 1, this anoxia protection arrangement 20 also can include a signal receiver 26 and a signal projector 27, and this signal receiver 26 is electrically connected with this electronic gas valve 21; This signal projector 27 is electrically connected with this control device 23.Thus, this control device 23 just can be controlled this electronic gas valve 21 in the mode of this signal of telecommunication of wireless transmission by this signal projector 27 and this signal receiver 26, can avoid Wireline aging and cause the situation of signal transmission errors to occur.
And can learn from the design of aforementioned each embodiment; gas-burner gas of the present invention not only can be protected user's safety; its this anoxia protection arrangement 20 also has advantages of the consume of being difficult for; and utilize the mode of electronic type sensing, more can make this anoxia protection arrangement 20 there is the effect of the high detecting degree of accuracy simultaneously.
In addition; on some storming type gas-burner gas (thering is the gas-burner gas of air blast); this control device 23 of this anoxia protection arrangement 20 more can be electrically connected with its air blast; in order to extrapolate oxygen concentration when this control device 23 when abnormal; except this electronic gas valve 21 of exportable signal of telecommunication control reduces gas quantity delivered; also can control this air blast and increase air quantity, to promote oxygen concentration, and then reach the object of protection.
The foregoing is only the better possible embodiments of the present invention; not as limit; except the two-part control mode of above-mentioned use the first predetermined value and the second predetermined value; also can be the object that the multisection type control of setting the one-part form control of single predetermined value or setting many group numerical value reaches hypoxia protection; and the equivalent structure that every application description of the present invention and claim are done changes, and ought to be included within the scope of claim of the present invention.
Claims (11)
1. an anoxia protection arrangement, in order to, to adjust for the gas that gives this gas combustion device during lower than a default value in the oxygen concentration around a gas combustion device; This anoxia protection arrangement includes:
One electronic gas valve, in order to control for the gas flow that gives this gas combustion device;
One thermocouple, is located near this gas combustion device, and the heat energy producing when according to this gas combustion device burning gas is exported a thermoelectrical potential; And
One control device, be electrically connected with this electronic gas valve and this thermocouple, the thermoelectrical potential producing in order to receive this thermocouple, and calculate that according to this thermoelectrical potential whether this gas combustion device oxygen concentration is around lower than this predetermined value, when oxygen concentration is during lower than this predetermined value, produce a signal of telecommunication and give this electronic gas valve adjustment for the gas that gives this gas combustion device.
2. anoxia protection arrangement as claimed in claim 1, wherein, in the time that this control device is calculated oxygen concentration lower than this predetermined value, produces this signal of telecommunication and gives this electronic gas valve blocking-up for the gas that gives this gas combustion device.
3. anoxia protection arrangement as claimed in claim 1, wherein, in the time that this control device is calculated oxygen concentration lower than this predetermined value, produces this signal of telecommunication and gives this electronic gas valve reduction for the gas that gives this gas combustion device.
4. anoxia protection arrangement as claimed in claim 1, wherein, this control device is set with two predetermined values, is respectively one first predetermined value, and second predetermined value higher than this first predetermined value; In the time that control device is extrapolated this gas-burner gas ambient oxygen concentration lower than this first predetermined value, control this electronic gas valve blocking-up for the gas amount that gives this gas combustion device; In the time that control device is extrapolated this gas-burner gas ambient oxygen concentration lower than this second predetermined value, control this electronic gas valve and reduce for the gas amount that gives this gas combustion device.
5. gas-burner gas as claimed in claim 4, wherein, this first predetermined value is between 18% to 20%; This second predetermined value is between 20.2% to 20.8%.
6. anoxia protection arrangement as claimed in claim 1, wherein, this control device includes a control circuit and a computing circuit of electric connection, this control circuit and this electronic gas valve are electrically connected, and give this electronic gas valve to control for the gas flow that gives this gas combustion device in order to produce this signal of telecommunication; This computing circuit and this thermocouple are electrically connected, and in order to receive this thermoelectrical potential, and set according to this thermoelectrical potential and this control circuit the gas flow of supplying, and calculate that whether this gas combustion device oxygen concentration is around lower than this predetermined value; When lower than this predetermined value, this control circuit is controlled this electronic gas valve and is adjusted gas supply.
7. anoxia protection arrangement as claimed in claim 1, also comprises a signal receiver and a signal projector, and this signal receiver and this electronic gas valve are electrically connected; This signal projector and this control device are electrically connected; This control device is this electronic gas valve of mode control with wireless transmission by this signal projector and this signal receiver.
8. anoxia protection arrangement as claimed in claim 1, also comprises an alarm device and this control device and is electrically connected, when to extrapolate this gas combustion device ambient oxygen concentration lower than this predetermined value when this control device, and generation one warning information.
9. anoxia protection arrangement as claimed in claim 1, also comprises an air exhauster and this control device and is electrically connected, and turns round when to extrapolate this gas combustion device ambient oxygen concentration lower than this predetermined value when this control device.
10. a gas-burner gas, includes:
One gas combustion device, in order to produce heat energy by burning gas; And
One anoxia protection arrangement, includes:
One electronic gas valve, in order to control for the gas flow that gives this gas combustion device;
One thermocouple, is located near this gas combustion device, and the heat energy producing when according to this gas combustion device burning gas is exported a thermoelectrical potential; And
One control device, be electrically connected with this electronic gas valve and this thermocouple, the thermoelectrical potential producing in order to receive this thermocouple, and calculate that according to this thermoelectrical potential whether this gas combustion device oxygen concentration is around lower than a predetermined value, when oxygen concentration is during lower than this predetermined value, control this electronic gas valve adjustment for the gas that gives this gas combustion device.
11. 1 kinds of gas-burner gas, include:
One gas combustion device, in order to produce heat energy by burning gas;
One air blast, gives this gas combustion device in order to force importing air; And
One anoxia protection arrangement, includes:
One electronic gas valve, in order to control for the gas flow that gives this gas combustion device;
One thermocouple, is located near this gas combustion device, and the heat energy producing when according to this gas combustion device burning gas is exported a thermoelectrical potential; And
One control device, be electrically connected with this air blast and this thermocouple, the thermoelectrical potential producing in order to receive this thermocouple, and calculate that according to this thermoelectrical potential whether this gas combustion device oxygen concentration is around lower than a predetermined value, when oxygen concentration is during lower than this predetermined value, produce this air blast of a signal of telecommunication control and strengthen for the air capacity of giving this gas combustion device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493349.4A CN103836802A (en) | 2012-11-27 | 2012-11-27 | Hypoxia protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210493349.4A CN103836802A (en) | 2012-11-27 | 2012-11-27 | Hypoxia protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103836802A true CN103836802A (en) | 2014-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210493349.4A Pending CN103836802A (en) | 2012-11-27 | 2012-11-27 | Hypoxia protection device |
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| Country | Link |
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| CN (1) | CN103836802A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333463A (en) * | 2014-08-11 | 2016-02-17 | 关隆股份有限公司 | Combustion control method for gas appliance |
| CN110081608A (en) * | 2019-04-04 | 2019-08-02 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN110108040A (en) * | 2019-04-04 | 2019-08-09 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
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| US3792671A (en) * | 1972-05-17 | 1974-02-19 | Clean Air Ator Corp | Incinerator with afterburner |
| US4480986A (en) * | 1983-09-14 | 1984-11-06 | Sea-Labs, Inc. | Liquid fuel vaporizing burner |
| CN86207487U (en) * | 1986-10-24 | 1987-10-31 | 华南煤气用具公司 | Safety device guarded against oxygen shortage for gas waterheater |
| CN1082179A (en) * | 1992-08-10 | 1994-02-16 | 张腾广 | Water heater anoxic protection method and device for automatically controlling |
| US20030183177A1 (en) * | 2000-04-17 | 2003-10-02 | Toshihiro Kobayashi | Water heater with a flame arrester |
| TWM325473U (en) * | 2007-05-24 | 2008-01-11 | Grand Mate Co Ltd | Oxygen detection and control device |
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2012
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3792671A (en) * | 1972-05-17 | 1974-02-19 | Clean Air Ator Corp | Incinerator with afterburner |
| US4480986A (en) * | 1983-09-14 | 1984-11-06 | Sea-Labs, Inc. | Liquid fuel vaporizing burner |
| CN86207487U (en) * | 1986-10-24 | 1987-10-31 | 华南煤气用具公司 | Safety device guarded against oxygen shortage for gas waterheater |
| CN1082179A (en) * | 1992-08-10 | 1994-02-16 | 张腾广 | Water heater anoxic protection method and device for automatically controlling |
| US20030183177A1 (en) * | 2000-04-17 | 2003-10-02 | Toshihiro Kobayashi | Water heater with a flame arrester |
| TWM325473U (en) * | 2007-05-24 | 2008-01-11 | Grand Mate Co Ltd | Oxygen detection and control device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105333463A (en) * | 2014-08-11 | 2016-02-17 | 关隆股份有限公司 | Combustion control method for gas appliance |
| CN105333463B (en) * | 2014-08-11 | 2018-10-26 | 关隆股份有限公司 | The method for controlling combustion of gas |
| CN110081608A (en) * | 2019-04-04 | 2019-08-02 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
| CN110108040A (en) * | 2019-04-04 | 2019-08-09 | 芜湖美的厨卫电器制造有限公司 | The control method and gas heater of gas heater |
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Application publication date: 20140604 |