CN1092518A - Oxygen content detects new method and water heater anoxia protection arrangement - Google Patents
Oxygen content detects new method and water heater anoxia protection arrangement Download PDFInfo
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- CN1092518A CN1092518A CN 93102745 CN93102745A CN1092518A CN 1092518 A CN1092518 A CN 1092518A CN 93102745 CN93102745 CN 93102745 CN 93102745 A CN93102745 A CN 93102745A CN 1092518 A CN1092518 A CN 1092518A
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Abstract
A kind of method and apparatus that is used for the oxygen content detection especially for the gas heater hypoxia protection; it is characterized in that it is made up of rapier, grid and corresponding circuit, executing agency; applicable to various sources of the gas; fluctuation and the influence of operating position at that time are not stressed; and simple in structure, cheap, adjust easily, highly reliable; really fundamentally solved this difficult problem of water heater hypoxia protection; its penetration and promotion; to cause the change of water heater production, management and use, remarkable social benefit and fine development prospect will be arranged.
Description
The invention discloses a kind of method and apparatus that is used for the oxygen content detection especially for the hypoxia protection of gas heater.
Gas heater brings the Gospel of modern civilization to the mankind, but also can become fearful " killer " sometimes, because of it causes human casualty accident, happens occasionally both at home and abroad.
Chasing after its reason, mainly is because of water heater does not have safety device, and perhaps Gao Suozhi-this is not again the unsatisfactory as yet solution of prior art to the hypoxia protection reliability of this device-especially.
For this reason; the inventor once declared a Chinese patent (application number: 92109156.7) proposed the scheme that addresses this problem before half a year; the back is in the repetition test of prototype fabrication; observe that a kind of natural phenomena-this is that forefathers never pay attention to; its discovery; especially to its ingenious utilization, make the safeguard protection of gas heater obtain breakthrough.
Purpose of the present invention is to utilize new discovery, fundamentally solves this international headache of hypoxia protection of water heater safety protection-especially.
Here, at first introduce the basic principle of newfound situation and new method.Flame can be with air ionization when burning; at flame and produce ion (electronics and cation) on every side; we only knew the interdependence of ion and flame in the past; promptly fire ion promptly arranged; fire puts out ion and disappears; I once utilized this phenomenon successfully to use state-of-the-art in the world blowout protection-" electronic type blowout protection " (Chinese patent 90225355.7) on gas-cooker; I find recently: ion concentration and airborne oxygen content that flame produces have confidential relation; they just always become, and variation (is that then ion is many in the oxygen content increase; otherwise then ion reduces); after after tested; can linearly changing (this is the optimal cases that detects)-this rule people under certain condition never finds; its reason is not except usually said " being careful "; outside " I had never expected "; also survey not come out with conventional instrument under normal conditions because of it, unless on purpose create necessary condition-and many conditions need " initiative "-may observe.Utilize above-mentioned newfound rule, what of flame detection ion, can know the oxygen content corresponding, thereby can carry out easily that the Detection ﹠ Controling of oxygen content-we claim the method meaning " oxygen content ion concentration Detection ﹠ Controling method ", are called for short " ion method " with it.
Below, the invention will be further described in conjunction with the accompanying drawings.
The present invention borrows the kept burning day and night little light appropriate authority of former water heater by a happy coincidence when being exclusively used in hypoxia protection, just small fire burner is changed, and its structure as shown in Figure 2.It " is divided into two little fire kept burning day and night ", promptly the gaseous mixture path that mixes first at combustion gas and air is provided with and isolates plate washer (22), the ever-burning flame burner is divided into two parts: wherein the pipe side appropriate location near the main burner part is provided with venthole 6(D), draw the igniting little fiery 1(D), it has corresponding rapier 2(D), grid 3(D); Pore 6(T is left on part top in addition), draw and survey little fiery 1(T), it also has corresponding rapier 2(T), grid 3(T).
Above-mentioned rapier, grid and flame have been formed an oxygen level sensor jointly, similar a bit to early stage electron tube, the material of two utmost point, shape, size and definite according to different needs with the relative position of flame, it is preferred to provide the process repetition test below, " hard-earned ".Select heat-resisting, conduction for use but the relatively poor material (as nichrome) of thermal conductivity is made, the needle-like rapier is when being used for measurement of oxygen content, and it points to the center of flame venthole vertically downward, and keeps excellent contact with flame; When being used for hypoxia protection; surveying little fiery part; its level or level of approximation are pointed to; choose in (90 ° ± 80 °) scope with the angle of cut of vertically upward flame; the rapier tip is stretched in the flame; from the venthole center at a distance of (8 ± 6) mm the igniting little fiery part; the rapier little fiery 1(D that deeply lights a fire) in; with venthole at a distance of (10 ± 8) mm grid when being used to survey little fire; can make preceding four kinds of shapes as shown in Figure 3; be palisade (31); cage shape (32); netted (33) and vertically arranged spring-like (34), they are arranged in vertically upward flame is on the garden post or prismatic surface in axle center.And in the little fiery part of the igniting that is used for hypoxia protection; its shape can be spring-like (35) or plane spring shape (36) or other shape that level or level of approximation are installed, the size of various grids and with the relative position of flame outside to keep excellent contact be good with flame all the time with can be in flame changes.
Another key of the present invention also is that difficult point is its electronic circuit, Fig. 4 has drawn theory diagram in circuit, rapier 2(T) and 2(D) respectively be provided with sensitivity regulon 41(T) and 41(D), they can select oxygen content easily, 41(T wherein) height remolding sensitivity 41(D), it at first sends corresponding control signal when oxygen content is higher, 41(D when oxygen content is low again) after send corresponding signal, as " insurance of two roads ".Sensitivity adjusting and signal and amplifying unit (42) are formed the anoxic test section, the control signal that this part is sent makes light emitting diode (LD) alarm signal that flashes through alarm unit (43), decline along with oxygen deficit, make alarm (FM) send interrupted chimes of doom through (44), continue to drop to certain value, make executing agency (5) close combustion gas through power amplifier unit (45), chimes of doom yowls.Circuit center (46) is provided with other function arranged side by side with hypoxia protection, as protection such as flame-out, overtemperature, overheated, timing and electronic pulse ignition etc.
When being used for measurement of oxygen content, it also need be provided with other subsidiary body, as combustion gas pressure regulation, voltage stabilizing mechanism, (not drawing among the figure) such as storage fuel gas bottle, air sampling and preliminary treatment mechanisms, the executing agency (5) of this moment adjusts and demonstration, and it can read the content of oxygen easily.
The flame venthole also is worthy of careful study; its shape, size, stomatal number will be determined according to different needs; when being used for measurement of oxygen content; can on the nozzle be the hole of opening (4-6) individual (φ 0.2-φ 1.5) mm on the garden ring of the garden heart with the centre bore; when the detection that is used for hypoxia protection, open the hole of (φ 0.2-φ a 4) mm in nozzle center, and little when fire that be used to light a fire; then, can work hard in glove with by the narrow slit of (0-1) mm between the hole in the hole that the pipe side is opened (1-3) individual (φ 0.5-3) mm.
Flame can be established barrier box (7), its shape and size, when being used for measurement of oxygen content, can be made into the garden tubular, and when oxygen content is surveyed little fire, can be made into rectangle or (rectangle) box-like, its top can be provided with waterproof cover (25), and the front portion can be provided with lid (27), and some peep holes (28) are arranged on (27), its little fire of lighting a fire is not established box, only utilizes the box of probe portion to get final product.
Electronic pulse ignition is adopted in the igniting of this device; its igniting pin can be used rapier (2); also can be ad hoc; when being used for hypoxia protection; also can utilize former dynamo exploder structure; at this moment, capsule (7) is provided with igniting near igniting bocca one side and advances fire hole (26), perhaps utilizes the slit (29) that forms between lid (25) and box (7).
Compared with prior art, the present invention has a series of advantages, and is with the obvious advantage. Be used for the oxygen content detection; existing device complex structure, price (about 10,000 yuans); and its price less than one of its percentage in particular for the gas heater hypoxia protection; solved the insurmountable hang-up of prior art; it is applicable to various sources of the gas; be not subjected to supply pressure fluctation and the at that time impact of operating position, as long as oxygen content is down to 17 ± 1% scopes of GB regulation, namely can report to the police, close combustion gas. For the security that makes water heater reaches " perfectly safe ", the present invention has designed " self check-report to the police-close-two system pass-timed-shutoff " " defence line, five roads ", saves the straight-line water heater in the danger and disaster, makes factory relieved, and the user is satisfied.
Penetration and promotion of the present invention will bring change to production, management and the use of gas heater, and significant social benefit and fine development prospect are arranged.
Claims (10)
1, a kind of method and apparatus that is used for the oxygen content detection especially for the gas heater hypoxia protection is characterized in that:
This method is that the ion concentration of utilizing the combustion-supporting flame in oxygen content in the air and its to produce becomes just this natural law of variation, what of flame detection ion, can know the oxygen content corresponding with it, thereby can carry out the Detection ﹠ Controling of oxygen content easily--we claim the method meaning " oxygen content ion concentration Detection ﹠ Controling method ", are called for short " ion method ".
A concrete device as " ion method ", by the rapier (2) that places flame (1) lining, place grid (3) around the flame and corresponding circuit (4), executing agency (5) to form, wherein be added with test voltage on the rapier (2), grid (3) directly or by burner (6) or box (7) keeps good electricity connection with circuit (4).
2, device according to claim 1, when being exclusively used in hypoxia protection, it is characterized in that: it " is divided into two the kept burning day and night little fire on the former water heater ", promptly the gaseous mixture path that mixes first at combustion gas and air is provided with and isolates plate washer (22), the ever-burning flame burner is divided into two parts: wherein the pipe side appropriate location near the main burner part is provided with venthole 6(D), draw the igniting little fiery 1(D), it has corresponding rapier 2(D), grid 3(D); Pore 6(T is left on part top in addition), draw and survey little fiery 1(T), it also has corresponding rapier 2(T), grid 3(T)
3, device according to claim 1 and 2, it is characterized in that: rapier (2) with heat-resisting, conduction but the relatively poor material (as nickel filament) of thermal conductivity make, the relative position of it and flame (1) is determined according to different needs, when being used for measurement of oxygen content, it points to the center of flame venthole vertically downward, and keeps excellent contact with flame; When being used for hypoxia protection; surveying little fiery part; it and vertically upward flame 1(T) become the suitable angle of cut; between (90 ° ± 80 °), choose; the rapier tip is stretched in the flame, from the venthole center at a distance of (8 ± 6) mm, in the little fiery part of igniting; the rapier little fiery 1(D that deeply lights a fire) in, with venthole at a distance of (10 ± 8) mm.
4; device according to claim 1 and 2; it is characterized in that: grid (3) is with heat-resisting; the conduction but the relatively poor material (as nichrome) of heat conductivility make; its shape; size and definite according to different needs with the relative position of flame; be used for measurement of oxygen content or hypoxia protection probe portion; its preferred shape is palisade (31); cage shape (32); netted (33) and vertically arranged spring-like (34); they are arranged in vertically upward flame is that the garden post in axle center (or is similar to the garden post; or prism) on the face; and in the little fiery part of the igniting that is used for hypoxia protection; its shape can be spring-like (35) or plane spring shape (36) or other shape that level or level of approximation are installed, the size of various grids and with the relative position of flame outside to keep excellent contact be good with flame all the time with can be in flame changes.
5, device according to claim 2, it is characterized in that: in circuit (4) lining, rapier 2(T) and 2(D) respectively be provided with sensitivity regulon 41(T) and 41(D), 41(T wherein) the height ratio 41(D that sensitivity is regulated), it at first sends corresponding control signal under corresponding to higher oxygen content, send the usefulness that similar signal is done two road insurances after 41(D).
6; according to claim 2 or 5 described devices; it is characterized in that: in circuit (4) lining; sensitivity regulon 41(T); 41(D) form the anoxic test section jointly with signal and amplifying unit (42); the control signal that this part is sent makes light emitting diode (LD) alarm signal that flashes through alarm unit (43); decline along with oxygen deficit; make alarm (FM) send interrupted chimes of doom through (44); continue to drop to certain value; make executing agency (5) close combustion gas through power amplifier unit (45); chimes of doom yowls; circuit (4) center (46) is provided with other function arranged side by side with hypoxia protection, as flame-out; overtemperature; overheated; regularly wait protection and electronic pulse ignition etc.
7, device according to claim 1, it is characterized in that: when being used for measurement of oxygen content, this device need be provided with combustion gas pressure regulation, voltage stabilizing mechanism, storage fuel gas bottle, air sampling and preliminary treatment mechanism, and the executing agency (5) of this moment adjusts and demonstration, and it can read the content of oxygen easily
8, device according to claim 1 and 2; it is characterized in that: the shape of described combustion gas venthole (6), size, stomatal number are determined according to different needs; when being used for measurement of oxygen content; can on the nozzle be the hole of opening (4-6) individual (φ 0.2-φ 1.5) mm on the garden ring of the garden heart with the centre bore; when the detection that is used for hypoxia protection; open the hole of (φ 0.2-φ a 4) mm in nozzle center; and little when fire that be used to light a fire; then, can work hard in glove with by the narrow slit of (0-1) mm between the hole in the hole that the pipe side is opened (1-3) individual (φ 0.5-3) mm.
9, device according to claim 1 and 2, it is characterized in that: flame can be established barrier box (7), and its shape and size are when being used for measurement of oxygen content, can be made into the garden tubular, and when oxygen content is surveyed little fire, can be made into rectangle or (rectangle) box-like, its top can be provided with waterproof cover (25), the front portion can be provided with lid (27), some peep holes (28) are arranged (27), and its little fire of lighting a fire is not established box, only utilizes the box of probe portion to get final product.
10, device according to claim 1 and 2; it is characterized in that: electronic pulse ignition is adopted in the igniting of this device; its igniting pin can be used rapier (2); also can be ad hoc; when being used for hypoxia protection, also can utilize former dynamo exploder structure, at this moment; capsule (7) is provided with igniting near igniting bocca one side and advances fire hole (26), perhaps utilizes the slit (29) that forms between lid (25) and box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102745 CN1092518A (en) | 1993-03-19 | 1993-03-19 | Oxygen content detects new method and water heater anoxia protection arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93102745 CN1092518A (en) | 1993-03-19 | 1993-03-19 | Oxygen content detects new method and water heater anoxia protection arrangement |
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| CN1092518A true CN1092518A (en) | 1994-09-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 93102745 Pending CN1092518A (en) | 1993-03-19 | 1993-03-19 | Oxygen content detects new method and water heater anoxia protection arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138070A (en) * | 2009-03-18 | 2011-07-27 | 株式会社爱发科 | Method for detecting oxigen, method for determining air leakage, gas component detector, and vacuum processor |
-
1993
- 1993-03-19 CN CN 93102745 patent/CN1092518A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102138070A (en) * | 2009-03-18 | 2011-07-27 | 株式会社爱发科 | Method for detecting oxigen, method for determining air leakage, gas component detector, and vacuum processor |
| CN102138070B (en) * | 2009-03-18 | 2014-01-15 | 株式会社爱发科 | Method for detecting oxigen, method for determining air leakage, gas component detector, and vacuum processor |
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