CN104913373A - Self-adaptive dual-gas-supply fuel gas warmer - Google Patents
Self-adaptive dual-gas-supply fuel gas warmer Download PDFInfo
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- CN104913373A CN104913373A CN201510329401.6A CN201510329401A CN104913373A CN 104913373 A CN104913373 A CN 104913373A CN 201510329401 A CN201510329401 A CN 201510329401A CN 104913373 A CN104913373 A CN 104913373A
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Abstract
The invention discloses a self-adaptive dual-gas-supply fuel gas warmer. The self-adaptive dual-gas-supply fuel gas warmer comprises a combustor, an ignition control assembly, a first ODS (oxygen depletion safety) protector, a second ODS protector, a main gas pipe, a first control valve and a second control valve, wherein the first ODS protector is applicable to natural gas; the second ODS protector is applicable to liquefied gas; the main gas pipe is separated into a pilot flame gas supply pipeline and a combustor gas supply pipeline after passing through a main control valve, the pilot flame gas supply pipeline is separated into a first pilot flame branch and a second pilot flame branch, and the combustor gas supply pipeline is separated into a first combustor branch and a second combustor branch; the first control valve is arranged on the first pilot flame branch and used for controlling opening and closing of the first pilot flame branch; and the second control valve is arranged on that first combustor branch and used for opening and closing of the first combustor branch. The self-adaptive dual-gas-supply fuel gas warmer has the advantages that by means of cooperation between the two control valves on the first pilot flame branch as well as the first combustor branch and the two ODS protectors, automatic judgment of gas supplies is achieved and corresponding pipelines can be opened or closed automatically during ignition.
Description
Technical field
The present invention relates to outdoor heater technical field, particularly a kind of self-adapting type gas-fired warmer with dual gas sources without the need to manual switch.
Background technology
Mostly existing fuel gas heating apparatus is to adopt combustion gas to warm oneself, and the features such as these outdoor gas heaters have efficiently, clean, become the best apparatus of outdoor heating.Fuel gas heating apparatus is divided into again liquefied gas type and natural gas type according to the fuel be suitable for, and certainly also having not only can with liquefied gas but also can with the warmer of natural gas, and we are referred to as applicable fuel gas heating apparatus or gas-fired warmer with dual gas sources; Because the calorific value of two kinds of gases is different, air pressure, tolerance also will inevitably be had any different, therefore the internal structure of warmer must make corresponding adjustment, applicable fuel gas heating apparatus all is in the market arrange two cover systems in advance in warmer mostly, when changing source of the gas, need manual operation to be arranged on gas selection valve in warmer and pressure maintaining valve, realize the switching between different system.
Above-mentioned applicable fuel gas heating apparatus Problems existing is: as manual switch maloperation; warmer load can be caused sharply to rise; cause fire risk; therefore generally also can consider to install overtemperature protection system additional on warmer; within three minutes when maloperation, cut off main valve air feed, to reduce fire risk.
Summary of the invention
The present invention is directed to above-mentioned the deficiencies in the prior art; provide a kind of self-adapting type gas-fired warmer with dual gas sources without the need to manual switch; this warmer does not arrange gas selection valve; coordinated with two ODS hypoxia protection devices by two control valves be separately positioned on ever-burning flame branch road, burner branch road; namely the automatic decision of source of the gas is realized between burn period; and automatically open or close corresponding pipeline, without the need to any manual operation, completely eliminate the risk of maloperation.
Technical scheme of the present invention is achieved in that
A kind of self-adapting type gas-fired warmer with dual gas sources, comprising:
Burner, the air inlet of described burner is other is provided with shower nozzle, and described shower nozzle has and adapts to natural gas, the first jet of liquefied gas, second nozzle respectively, and the first interface, the second interface that are connected with first jet, second nozzle respectively;
Be applicable to an ODS hypoxia protection device of natural gas, it is arranged at by burner, a described ODS hypoxia protection device comprises the first fire tube kept burning day and night, ignition electrode and first, second, third thermocouple, first, second thermocouple is all in the flame region of the first fire tube kept burning day and night ejection near the nozzle of the first fire tube kept burning day and night, three thermocouple relatively away from the first fire tube kept burning day and night nozzle but be in outside the Flame of Natural Gas region of the first fire tube ejection kept burning day and night, in liquefied gas flame region;
Be applicable to the 2nd ODS hypoxia protection device of liquefied gas, it is arranged at by burner, the 2nd described ODS hypoxia protection device comprises the second fire tube kept burning day and night, ignition electrode and the 4th, the 5th thermocouple, and the 4th, the 5th thermocouple is all in the flame region of the second fire tube kept burning day and night near the nozzle of the second fire tube kept burning day and night; The nozzle bore of the first fire tube kept burning day and night is greater than the nozzle bore of the second fire tube kept burning day and night;
Main tracheae, in order to connect source of the gas, main tracheae is divided into ever-burning flame supply air line and burner supply air line after a main control valve, ever-burning flame supply air line is divided into again ever-burning flame first branch road, ever-burning flame second branch road, ever-burning flame first branch road connects the first fire tube kept burning day and night, and ever-burning flame second branch road connects the second fire tube kept burning day and night; Burner supply air line is divided into again burner first branch road, burner second branch road, and burner first branch road connects the first interface of shower nozzle, and burner second branch road connects the second interface of shower nozzle, and the first, the 4th thermocouple connects main control valve respectively by wire;
IGC Module, the battery case, the pulse igniter that comprise button ignition switch and be connected by wire with button ignition switch respectively, pulse igniter is connected with two ignition electrodes;
First control valve, be arranged on ever-burning flame first branch road, for controlling the break-make of ever-burning flame first branch road, it connects button ignition switch, battery case and second, third thermocouple respectively by wire, when initial, the first control valve makes ever-burning flame first branch road be in the normally off of shutoff, then being converted to conducting state when lighting a fire energising, combining according to second, third thermocouple the thermoelectrical potential situation that whether comes into force produced again after power-off and being automatically adjusted to conducting or off state;
Second control valve, be arranged on burner first branch road, for the break-make of control combustion device first branch road, it connects button ignition switch, battery case and the 5th thermocouple respectively by wire, when initial, the second control valve makes burner first branch road be in the normally open of conducting, then being converted to off state when lighting a fire energising, whether can producing thermoelectrical potential according to the 5th thermocouple again after power-off and being automatically adjusted to shutoff or conducting state.
As preferably, the first described control valve comprises pedestal and is installed on the magnetic valve A at the upper and lower two ends of pedestal, magnetic valve B, pedestal has the cavity of hollow, magnetic valve A connects button ignition switch by wire, battery case, magnetic valve B connects second by wire, three thermocouple, the sidewall of pedestal is provided with two the gas piping joints staggering and arrange, magnetic valve A produces the spool A of movement under being included in energising situation, valve rod A and the spring A making spool A reset under powering-off state, the thermoelectrical potential that is included in magnetic valve B comes into force and produces the valve rod B of movement in situation, spool B and the spring B making spool B reset when thermoelectrical potential disappears, spool A, valve rod A, valve rod B, spool B is all in cavity, one of valve rod A abuts against with spool B,
The position blocking described two gas piping connector channel is at initial shape body bottom spool B, when magnetic valve A is energized, valve rod A moves to promote spool B and gets out of the way and make two gas piping joints keep communicating, reset under spring A effect at magnetic valve A power-off back valve core A, spool B resets under spring B effect, again blocks the passage of two gas piping joints; When magnetic valve B receives thermoelectrical potential, spool B is attracted to produce and moves to make two gas piping joints keep communicating, and when thermoelectrical potential disappears, spool B resets under spring B effect, again blocks the passage of two gas piping joints.
As preferably, pedestal and magnetic valve A are fixedly linked, magnetic valve A comprises housing, fixed iron core is installed with in housing, coil is surrounded with outside iron core, housing is provided with for external wire with to the electrode of coil power supply, cavity is provided with in iron core, a part of valve rod A is located in cavity, another part and the spool A of valve rod A are in the cavity of pedestal, spool A is fixedly sleeved on valve rod A, on valve rod A, also cover has pad, first step is provided with in cavity, pad is against on first step, and the position residing for pad does not affect the break-make of two gas piping joints all the time, spring A is between spool A and pad, and the two ends of spring A offset with spool A, pad respectively.
As preferably, the upper and lower two ends of iron core are equipped with external screw thread, and the upper end of iron core is connected with a nut, and nut is against on housing, and the lower end of iron core is connected with pedestal threaded upper ends.
As preferably, magnetic valve B is fixedly installed on the lower end of pedestal, magnetic valve B comprises valve body, and valve body maintains static, and valve rod B is located in valve body, spool B is fixed at the end of valve rod B, valve body lower end is provided with electromagnet and produces the electrode of magnetic force in order to connect wire and to make electromagnet be energized, and spring B is between spool B and valve body, and the two ends of spring B offset with spool B, valve body respectively, in cavity, be provided with second step, spool B and second step offset.
As preferably, pedestal bottom is connected with an its thread, and described nut has in-flanges, and valve body lower end is provided with the collar flange of evagination, and valve body inserts after in cavity, and collar flange is against pedestal lower end by described in-flanges.
As preferably, in shower nozzle, be provided with the first air flue being communicated with first interface and first jet, be communicated with the second air flue of the second interface and second nozzle, the first air flue and the second air flue are spaced apart.
As preferably, the length of first jet is greater than the length of second nozzle, and the aperture of first jet is greater than the aperture of second nozzle.
As preferably, the second described control valve comprises pedestal and is installed on the magnetic valve C at the upper and lower two ends of pedestal, magnetic valve D, pedestal has the cavity of hollow, magnetic valve C connects button ignition switch by wire, battery case, magnetic valve D connects the 5th thermocouple by wire, the sidewall of pedestal is provided with two the gas piping joints staggering and arrange, magnetic valve C produces the spool C of movement under being included in energising situation, valve rod C and the spring C making spool C reset under powering-off state, the thermoelectrical potential that is included in magnetic valve D comes into force and produces the valve rod D of movement in situation, spool D and the spring D making spool D reset when thermoelectrical potential disappears, spool C, valve rod C, valve rod D, spool D is all in cavity, one of valve rod C abuts against with spool D,
The position of two gas piping connector channel described in conducting is at initial shape body bottom spool D, when magnetic valve C is energized, valve rod C moves to promote spool D and moves and make to block two gas piping joints, reset under spring C effect at magnetic valve C power-off back valve core C, spool D resets under spring D effect, again the passage of conducting two gas piping joints; When magnetic valve D receives thermoelectrical potential, spool D is attracted to produce and moves to make two gas piping joints keep blocking, and when thermoelectrical potential disappears, spool D resets under spring D effect, again the passage of conducting two gas piping joints.
As preferably, pedestal and magnetic valve C are fixedly linked, magnetic valve C comprises housing, fixed iron core is installed with in housing, coil is surrounded with outside iron core, housing is provided with for external wire with to the electrode of coil power supply, cavity is provided with in iron core, a part of valve rod C is located in cavity, another part and the spool C of valve rod C are in the cavity of pedestal, spool C is fixedly sleeved on valve rod C, on valve rod C, also cover has pad, first step is provided with in cavity, pad is against on first step, and the position residing for pad does not affect the break-make of two gas piping joints all the time, spring C is between spool C and pad, and the two ends of spring C offset with spool C, pad respectively.
As preferably, the upper and lower two ends of iron core are equipped with external screw thread, and the upper end of iron core is connected with a nut, and nut is against on housing, and the lower end of iron core is connected with pedestal threaded upper ends.
As preferably, magnetic valve D is fixedly installed on the lower end of pedestal, magnetic valve D comprises valve body, and valve body maintains static, and valve rod D is located in valve body, spool D is fixed at the end of valve rod D, valve body lower end is provided with electromagnet and produces the electrode of magnetic force in order to connect wire and to make electromagnet be energized, and spring D is between spool D and valve body, and the two ends of spring D offset with spool D, valve body respectively, in cavity, be provided with second step, spool D and second step offset.
As preferably, pedestal bottom is connected with an its thread, and described nut has in-flanges, and valve body lower end is provided with the collar flange of evagination, and valve body inserts after in cavity, and collar flange is against pedestal lower end by described in-flanges.
As preferably, two gas piping joints are one high and one low, and valve body is in the lower to lower end position place of low gas piping connector channel, second step be in high gas piping connector channel on along position, leave space between valve rod D and the cavity of pedestal.
The design philosophy of the present invention and the beneficial effect that have employed technique scheme are:
The invention provides a kind of self-adapting type gas-fired warmer with dual gas sources without the need to manual switch; this warmer does not arrange gas selection valve; coordinated with two ODS hypoxia protection devices by two control valves be arranged on ever-burning flame first branch road, burner first branch road; namely the automatic decision of source of the gas is realized between burn period; and automatically open or close corresponding pipeline; without the need to any manual operation; completely eliminate the risk of maloperation; user all can normally use under even can being natural gas or liquefied gas situation not knowing source of the gas in the secure state.
Specifically, the present invention first, the nozzle of the second fire tube kept burning day and night adopts natural gas nozzle respectively, liquefied gas nozzle, and be also provided with on shower nozzle and be applicable to natural gas respectively, first of liquefied gas, second nozzle, ever-burning flame first branch road connecting the first fire tube kept burning day and night in correspondence is provided with the first control valve controlling its break-make, burner first branch road of correspondence connection first jet is provided with the second control valve controlling its break-make, simultaneously be provided with nearly two thermocouples far away of the distance nozzle one be electrically connected with the first control valve the first fire tube nozzle kept burning day and night is other, the thermocouple be electrically connected with the second control valve is provided with on the second fire tube nozzle side kept burning day and night, whether burnt by fire tube kept burning day and night, during burning, the length of flame is impelled corresponding thermocouple whether can produce the thermoelectrical potential come into force to control corresponding control valve, make its conducting or turn off corresponding pipeline to reach the object of safe handling.
When source of the gas is natural gas, because its pressure is less, even if liquefied gas nozzle ejection natural gas also can not form impact to safety, even if liquefied gas nozzle ejection natural gas also can not form impact to safety, therefore final all pipeline and nozzle are all in conducting state; When source of the gas is liquefied gas, because its pressure is larger, and natural gas nozzle bore is relatively large, therefore be unsafe, so two pipelines be connected with the nozzle that natural gas adapts to finally all can be cut off automatically, only have liquefied gas nozzle and coupled two pipelines to be conductings, ensure that the security of use thus.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram of fuel gas heating apparatus of the present invention;
Fig. 2 is the perspective view of warmer configuration of the present invention;
Fig. 3 is the A portion enlarged drawing of Fig. 2;
Fig. 4 is the perspective view of another angle of warmer configuration of the present invention;
Fig. 5 is the perspective view of another angle of warmer configuration of the present invention;
Fig. 6 is the perspective view of the first control valve;
Fig. 7 is the internal structure schematic diagram of the first control valve;
Fig. 8 is the explosive view of the first control valve;
Fig. 9 is the internal structure schematic diagram of the second control valve;
Figure 10 is the fit structure schematic diagram of shower nozzle and burner;
Figure 11 is the planar structure schematic diagram of shower nozzle;
Figure 12 is the A-A sectional view of Figure 11;
Figure 13 is the B-B sectional view of Figure 11.
Detailed description of the invention
The specific embodiment of the present invention is as follows:
Embodiment: a kind of self-adapting type gas-fired warmer with dual gas sources, as shown in figs. 1-13, comprises following assembly:
Burner 1, as shown in Figure 10 ~ 13, burner 1 is burning fire row, be provided with the air flue 2 of roundabout layout in burner 1, one end of burner 1 is provided with flaring air inlet 3, is provided with shower nozzle 4 on air inlet 3 side, described shower nozzle 4 has and adapts to natural gas, the first jet 5 of liquefied gas, second nozzle 6 respectively, and first interface 7, second interface 8 be connected with first jet 5, second nozzle 6 respectively, first interface 7, second interface 8 all has external screw thread, is connected with supply air line to facilitate; In shower nozzle 4, be provided with the first air flue 9 being communicated with first interface 7 and first jet 5, the second air flue 10, first air flue 9 and the second air flue 10 that are communicated with the second interface 8 and second nozzle 6 are spaced apart; Wherein the length of first jet 5 is greater than the length of second nozzle 6, makes first jet 5 closer to air inlet 3, because gas pressure is less than gas pressure, so the aperture of first jet 5 is greater than the aperture of second nozzle 6.
Be applicable to an ODS hypoxia protection device 11 of natural gas; as shown in Figure 2,3; it is arranged at the side of burner 1; the first fire tube 12 kept burning day and night, ignition electrode 13 and first, second, third thermocouple 14,15,16 that a described ODS hypoxia protection device 11 comprises support 18 and installs on mount 18; the nozzle of the first fire tube 12 kept burning day and night towards the gas outlet 17 of burner 1, to facilitate ignition combustion device 1.
Specifically, the nozzle of the first fire tube 12 kept burning day and night is arranged according to injection Natural gas standard, the Flame of Natural Gas of its ejection is shorter, because gas pressure is greater than gas pressure, so when air feed is liquefied gas, the length of flame that first fire tube 12 kept burning day and night sprays is greater than Flame of Natural Gas length, first, second thermocouple 14, 15 all near the nozzle of the first fire tube 12 kept burning day and night, and no matter the first fire tube 12 kept burning day and night sprays is Flame of Natural Gas or liquefied gas flame, first, second thermocouple 14, 15 are all in the flame region of the first fire tube 12 ejection kept burning day and night, and three thermocouple 16 relatively away from the first fire tube 12 kept burning day and night nozzle but be in outside Flame of Natural Gas region that the first fire tube 12 kept burning day and night sprays, in liquefied gas flame region, that is when the first fire tube 12 kept burning day and night spray be Flame of Natural Gas time, because Flame of Natural Gas is shorter, therefore burn less than three thermocouple 16, when the first fire tube 12 kept burning day and night spray be liquefied gas flame time, because liquefied gas flame is longer, so can three thermocouple 16 be burnt.
Be applicable to the 2nd ODS hypoxia protection device 19 of liquefied gas, as shown in Figure 4,5, it is arranged at the opposite side of burner 1, the second fire tube 20 kept burning day and night, ignition electrode 13 and the 4th, the 5th thermocouple 21,22 that the 2nd described ODS hypoxia protection device comprises support 18 and installs on mount 18, the nozzle of the second fire tube 20 kept burning day and night is according to steam ejection liquefaction gas standard configuration, the nozzle bore of the first fire tube 12 kept burning day and night is greater than the nozzle bore of the second fire tube kept burning day and night, the nozzle of the second fire tube 20 kept burning day and night towards the gas outlet 17 of burner 1, to facilitate ignition combustion device 1; Four, the 5th thermocouple 21,22 to be all in the flame region of the second fire tube 20 kept burning day and night near the nozzle of the second fire tube 20 kept burning day and night.
Main tracheae 23, in order to connect source of the gas, the top of main tracheae 23 is provided with pressure maintaining valve 24, main tracheae 23 is divided into two-way after a main control valve 25, this two-way is ever-burning flame supply air line 26 and burner supply air line 27 respectively, main control valve 25 is provided with master control knob 27 to control the break-make of above-mentioned two-way simultaneously, ever-burning flame supply air line 26 is divided into again ever-burning flame first branch road 29, ever-burning flame second branch road 30 by a threeway 28a, and ever-burning flame first branch road 29 connects the first fire tube 12 kept burning day and night, and ever-burning flame second branch road 30 connects the second fire tube 20 kept burning day and night, burner supply air line 27 is divided into again burner first branch road 31 by a threeway 28b, burner second branch road 32, temperature control knob 33 is provided with at the top of burner supply air line, burner first branch road 31 connects the first interface 7 of shower nozzle 4, burner second branch road 32 connects the second interface 8 of shower nozzle 4, first, 4th thermocouple 14, 21 respectively by wire 34a, wire 34b connects main control valve, like this after ever-burning flame extinguishes, first thermocouple 14 or the 4th thermocouple 21 no longer produce thermoelectrical potential, at this moment main control valve 25 cuts off source of the gas to ensure personal safety by spring reset.
IGC Module, the battery case 36, the pulse igniter 37 that comprise button ignition switch 35 and be connected by wire with button ignition switch 35 respectively, battery case 36 is power supply, and pulse igniter 27 is connected with two ignition electrodes 13.
First control valve 38, be arranged on ever-burning flame first branch road 12, for controlling the break-make of ever-burning flame first branch road 12, it connects button ignition switch 35, battery case 36 and second, third thermocouple 15,16 respectively by wire, when initial, the first control valve 38 makes ever-burning flame first branch road 12 be in the normally off of shutoff, then being converted to conducting state when lighting a fire energising, combining according to second, third thermocouple 15,16 the thermoelectrical potential situation that whether comes into force produced again after power-off and being automatically adjusted to conducting or off state; Thermocouple can produce Weak current and thermoelectrical potential after being heated by the flame, if second, third thermocouple 15,16 all has thermoelectrical potential to produce, then two thermoelectrical potentials offset, and thermoelectrical potential is actual is zero, is failure state, and the first control valve 38 is still off state; If the second thermocouple 15 has thermoelectrical potential to produce, three thermocouple 16 does not have thermoelectrical potential to produce, then thermoelectrical potential is active states, drives the first control valve 38 to transfer conducting state to.
Specifically, the first described control valve 38 structure is such, as can be seen from figures 6 to 8, it comprises pedestal 39 and is installed on the magnetic valve A40 at pedestal about 39 two ends, magnetic valve B41, pedestal 39 has the cavity 42 of hollow, magnetic valve A40 connects button ignition switch 35 by wire 34d, battery case 36, magnetic valve B41 connects second by wire 34c, three thermocouple 15, 16, the sidewall of pedestal 39 is provided with to stagger and arranges and two the gas piping joint 43a all communicated with cavity 42, 43b, as in Fig. 7, left gas pipe joint 43a is air inlet, Top right gas pipe joint 43b is for giving vent to anger, magnetic valve A40 produces movement spool A44, valve rod A45 under being included in energising situation and the spring A46 making spool A44 reset under powering-off state, the thermoelectrical potential that is included in magnetic valve B41 comes into force the valve rod B47, the spool B48 that produce movement in situation and the spring B 49 making spool B48 reset when thermoelectrical potential disappears, spool A44, valve rod A45, valve rod B47, spool B48 are all in cavity 42, and one of valve rod A44 abuts against with spool B48,
The position blocking described two gas piping connector channel is at initial shape body bottom spool B48, original state refers to the state that warmer is in energising of not lighting a fire, does not work, when magnetic valve A40 is energized, valve rod A45 moves to promote spool B48 and gets out of the way and make two gas piping joints 43a, 43b keep communicating, reset under spring A46 effect at magnetic valve A40 power-off back valve core A44, spool B47 resets under spring B 49 acts on, and again blocks the passage of two gas piping joints 43a, 43b; When magnetic valve B41 receives thermoelectrical potential, spool B48 is attracted to produce and moves to make two gas piping joints 43a, 43b keep communicating, and when thermoelectrical potential disappears, spool B48 resets under spring B 49 acts on, and again blocks the passage of two gas piping joints.
Again furtherly, pedestal 39 and magnetic valve A40 are fixedly linked, magnetic valve A40 comprises housing 50, fixed iron core 51 is installed with in housing 50, iron core about 51 two ends are equipped with external screw thread, the upper end of iron core 51 is connected with a nut 52, and nut 52 is against on housing 50, and the lower end of iron core 51 is connected with pedestal 39 threaded upper ends; Iron core 51 is fixed in housing 50 by pedestal 39 and nut 52.
Coil 53 is surrounded with outside iron core 51, housing 50 is provided with for external wire with to the electrode 54a of coil power supply, cavity 55 is provided with in iron core 51, a part of valve rod A45 is located in cavity 55, another part of valve rod A45 and spool A44 are in the cavity 42 of pedestal 39, spool A44 is fixedly sleeved on valve rod A45, on valve rod A45, also cover has pad 56, the first step 57 protruded out to cavity 42 center is provided with in cavity 42, pad 56 is against on first step 57, and the position residing for pad 56 does not affect two gas piping joint 43a all the time, the break-make of 43b, spring A46 is between spool A44 and pad 56, and the two ends of spring A46 offset with spool A44, pad 56 respectively.
Magnetic valve B41 is fixedly installed on the lower end of pedestal, magnetic valve B41 comprises valve body 58, valve body 58 maintains static, and valve body 58 be inserted in pedestal lower end and and cavity 42 inwall between keep air seal, valve rod B47 is located in valve body 58, spool B48 is fixed at the upper end of valve rod B47, the lower end activity of valve rod B47 is plugged in valve body 58, spool B48 is in outside valve body 58, valve body 58 lower end is provided with electromagnet 59 and produces the electrode 54b of magnetic force in order to connect wire and to make electromagnet be energized, spring B 49 is between spool B48 and valve body 58, and the two ends of spring B 49 respectively with spool B48, valve body 58 offsets, second step 60 is provided with in cavity 42, second step 60 is in two gas piping joint 43a just, between the position that 43b is staggered, spool B48 and second step 60 offset, therefore can by two gas piping joint 43a, passageway break between 43b.
Pedestal 39 bottom is threaded with a nut 61, and described nut 61 has in-flanges 62, and valve body 58 lower end is provided with the collar flange 63 of evagination, and valve body 58 inserts after in cavity 42, and collar flange 63 is against pedestal 39 lower end by described in-flanges 62.
Second control valve 64, be arranged on burner first branch road 31, for the break-make of control combustion device first branch road 31, it connects button ignition switch 35, battery case 36 and the 5th thermocouple 22 respectively by wire, when initial, the second control valve 64 makes burner first branch road 31 be in the normally open of conducting, then being converted to off state when lighting a fire energising, whether can producing thermoelectrical potential according to the 5th thermocouple 22 again after power-off and being automatically adjusted to shutoff or conducting state.
As shown in Figure 9, the second control valve 64 structure and the first control valve similar, be just in normally open in an initial condition, be energized time transfer normally off to; Second control valve 64 is in off state in power-off but when having thermoelectrical potential, is in conducting normally open in power-off is without thermoelectrical potential situation.
Specifically, the second described control valve 64 comprises pedestal and is installed on the magnetic valve C65 at pedestal about 39 two ends, magnetic valve D66, pedestal 39 has the cavity 42 of hollow, magnetic valve C65 connects button ignition switch 35, battery case 36 by wire, magnetic valve D66 connects the 5th thermocouple 22 by wire, and the sidewall of pedestal is provided with two low high gas piping joint 67a, the 67b staggering and arrange.
Magnetic valve C65 produces movement spool C68, valve rod C69 under being included in energising situation and the spring C70 making spool C68 reset under powering-off state, the thermoelectrical potential that is included in magnetic valve D66 comes into force the valve rod D71, the spool D72 that produce movement in situation and the spring D73 making spool D72 reset when thermoelectrical potential disappears, spool C68, valve rod C69, valve rod D71, spool D72 are all in cavity 42, and one of valve rod C69 abuts against with spool D72.
The position of two gas piping joint 67a, 67b passages described in conducting is at initial shape body bottom spool D72, when magnetic valve C65 is energized, valve rod C69 moves to promote spool D71 and moves and make to block two gas piping joints, reset under spring C70 effect at magnetic valve C65 power-off back valve core C68, spool D72 resets under spring D73 effect, again the passage of conducting two gas piping joints 67a, 67b; When magnetic valve D66 receives thermoelectrical potential, spool D71 is attracted to produce and moves to make two gas piping joints keep blocking, and when thermoelectrical potential disappears, spool D71 resets under spring D73 effect, again the passage of conducting two gas piping joints 67a, 67b.
Specifically, in the second control valve 64, pedestal 39 and magnetic valve C65 are fixedly linked, magnetic valve C65 comprises housing 50, in housing 50, be installed with fixed iron core 51, iron core about 51 two ends are equipped with external screw thread, and the upper end of iron core 51 is connected with a nut 52, nut 52 is against on housing 50, and the lower end of iron core 51 is connected with pedestal 39 threaded upper ends, coil 53 is surrounded with outside iron core 51, housing 50 is provided with for external wire with the electrode 54a powered to coil 53, cavity 55 is provided with in iron core 51, a part of valve rod C69 is located in cavity 55, another part of valve rod C69 and spool C68 are in the cavity 42 of pedestal 39, spool C68 is fixedly sleeved on valve rod C69, on valve rod C69, also cover has pad 56, the first step 57 extended to cavity 42 center is provided with in cavity 42, pad 56 is against on first step 57, and the position residing for pad 56 does not affect two gas piping joint 67a all the time, the break-make of 67b, spring C70 is between spool C68 and pad 56, and the two ends of spring C70 offset with spool C68, pad 56 respectively.
Magnetic valve D66 is fixedly installed on the lower end of pedestal 39, magnetic valve D66 comprises valve body 58, valve body 58 maintains static, valve rod D71 is located in valve body 58, spool D72 is fixed at the end of valve rod D71, valve body 58 lower end is provided with electromagnet 59 and produces the electrode 54b of magnetic force in order to connect wire and to make electromagnet be energized, spring D73 is between spool D72 and valve body 58, and the two ends of spring D73 offset with spool D72, valve body 58 respectively, in cavity, be provided with second step 60, spool D72 and second step 60 offset.
Pedestal 39 bottom is threaded with a nut 61, and described nut 61 has in-flanges 62, and valve body 58 lower end is provided with the collar flange 63 of evagination, and valve body 58 inserts after in cavity 42, and collar flange 63 is against pedestal 39 lower end by described in-flanges 62.
In the second control valve 64, two gas piping joints 67a, 67b are one high and one low, valve body 58 upper end is lower to lower end position place low gas piping connector channel 67a's, second step 60 be in high gas piping connector channel 67b on along position, to make two gas piping joints 67a, 67b under original state keep communicating, between valve rod D and the cavity of pedestal, leave space.
Using method of the present invention and the course of work as follows:
Have employed design of the present invention, user all can normally use under even can being natural gas or liquefied gas situation not knowing source of the gas.
When source of the gas is actual be natural gas time, connect main tracheae 23, open master control knob 27, press button ignition switch 35, now, the first control valve 38 energising makes the spool B in the spool A movable top open electromagnetic valve B in magnetic valve A, thus makes the first control valve 38 be in conducting state, that is ever-burning flame first branch road, ever-burning flame second branch road are now all in conducting state, and the second control valve also produces similar action becomes off state; Pulse igniter, ignition electrode also work simultaneously, because the nozzle of the first fire tube kept burning day and night is according to the design of injection Natural gas standard, therefore the first fire tube kept burning day and night is very naturally lighted generation flame, all produce thermoelectrical potential within the scope of the flame that first, second thermocouple is all in the first fire tube kept burning day and night, three thermocouple is in outside Flame of Natural Gas scope, do not produce thermoelectrical potential, and because the nozzle of the second fire tube kept burning day and night is according to steam ejection liquefaction gas standard design, so its aperture is less, pressure is inadequate, and the second fire tube kept burning day and night cannot be lighted;
Then unclamp button ignition switch 35, at shutdown transient, first control valve reverts to normally off under the effect of spring A, but exist owing to there being the thermoelectrical potential of the second thermocouple, the magnetic valve B of the first control valve produces magnetic force and is held by spool B, conducting first control valve again, at this moment two ever-burning flame branch roads are all in conducting state, second control valve then reverts to conducting state, temperature control knob is opened after unclamping button ignition switch 35, namely burner supply air line is opened, initial often conducting state is opened because the second control valve is now in, and second fire tube kept burning day and night unignited, 5th thermocouple does not produce thermoelectrical potential, impact is not formed on the second control valve, so burner first branch road, burner second branch road two-way is all logical all the time, natural gas is sprayed in burner, when arriving the gas outlet of burner, by the flame ignition of the first fire tube kept burning day and night, burner can normally use, two ever-burning flame branch roads and two burner branch roads are conducting state.
When source of the gas is actual be liquefied gas time, connect main tracheae 23, open master control knob 27, press button ignition switch 35, now, the first control valve 38 energising makes the spool B in the spool A movable top open electromagnetic valve B in magnetic valve A, thus makes the first control valve 38 be in conducting state, that is ever-burning flame first branch road, ever-burning flame second branch road are now all in conducting state, and the second control valve also produces similar action becomes off state; Pulse igniter, ignition electrode also work simultaneously, because the nozzle of the first fire tube kept burning day and night is according to the design of injection Natural gas standard, and be now the liquefied gas that pressure is larger in pipeline, therefore the first fire tube kept burning day and night is lighted the longer flame of generation, all produces thermoelectrical potential within the scope of the flame that first, second, third thermocouple is all in the first fire tube kept burning day and night; And because the nozzle of the second fire tube kept burning day and night is according to steam ejection liquefaction gas standard design, so the second fire tube kept burning day and night is very naturally lighted, now two fire tubes kept burning day and night are all lighted.
Then unclamp button ignition switch 35, at shutdown transient, first control valve reverts to normally off under the effect of spring A, the thermoelectrical potential that second, third thermocouple produces simultaneously offsets, impact can not be formed to the first control valve, first control valve continues to keep off state, and make to have cut off ever-burning flame first branch road, the flame of the first fire tube kept burning day and night finally extinguishes, second control valve then reverts to conducting state at shutdown transient, temperature control knob is opened after unclamping button ignition switch 35, namely burner supply air line is opened, because the second fire tube kept burning day and night is in the state of lighting, the 5th thermocouple is made to produce thermoelectrical potential, therefore the second control valve is made to become off state again from conducting state, cut off burner first branch road, remaining burner second branch road is conducting, by second nozzle to steam ejection liquefaction gas in burner, when arriving the gas outlet of burner, by the flame ignition of the second fire tube kept burning day and night, burner can normally use, ever-burning flame second branch road and burner second branch road are in conducting state, ever-burning flame first branch road and burner first branch road are in off state.
Claims (14)
1. a self-adapting type gas-fired warmer with dual gas sources, is characterized in that comprising:
Burner, the air inlet of described burner is other is provided with shower nozzle, and described shower nozzle has and adapts to natural gas, the first jet of liquefied gas, second nozzle respectively, and the first interface, the second interface that are connected with first jet, second nozzle respectively;
Be applicable to an ODS hypoxia protection device of natural gas, it is arranged at by burner, a described ODS hypoxia protection device comprises the first fire tube kept burning day and night, ignition electrode and first, second, third thermocouple, first, second thermocouple is all in the flame region of the first fire tube kept burning day and night ejection near the nozzle of the first fire tube kept burning day and night, three thermocouple relatively away from the first fire tube kept burning day and night nozzle but be in outside the Flame of Natural Gas region of the first fire tube ejection kept burning day and night, in liquefied gas flame region;
Be applicable to the 2nd ODS hypoxia protection device of liquefied gas, it is arranged at by burner, the 2nd described ODS hypoxia protection device comprises the second fire tube kept burning day and night, ignition electrode and the 4th, the 5th thermocouple, and the 4th, the 5th thermocouple is all in the flame region of the second fire tube kept burning day and night near the nozzle of the second fire tube kept burning day and night; The nozzle bore of the first fire tube kept burning day and night is greater than the nozzle bore of the second fire tube kept burning day and night;
Main tracheae, in order to connect source of the gas, main tracheae is divided into ever-burning flame supply air line and burner supply air line after a main control valve, ever-burning flame supply air line is divided into again ever-burning flame first branch road, ever-burning flame second branch road, ever-burning flame first branch road connects the first fire tube kept burning day and night, and ever-burning flame second branch road connects the second fire tube kept burning day and night; Burner supply air line is divided into again burner first branch road, burner second branch road, and burner first branch road connects the first interface of shower nozzle, and burner second branch road connects the second interface of shower nozzle, and the first, the 4th thermocouple connects main control valve respectively by wire;
IGC Module, the battery case, the pulse igniter that comprise button ignition switch and be connected by wire with button ignition switch respectively, pulse igniter is connected with two ignition electrodes;
First control valve, be arranged on ever-burning flame first branch road, for controlling the break-make of ever-burning flame first branch road, it connects button ignition switch, battery case and second, third thermocouple respectively by wire, when initial, the first control valve makes ever-burning flame first branch road be in the normally off of shutoff, then being converted to conducting state when lighting a fire energising, combining according to second, third thermocouple the thermoelectrical potential situation that whether comes into force produced again after power-off and being automatically adjusted to conducting or off state;
Second control valve, be arranged on burner first branch road, for the break-make of control combustion device first branch road, it connects button ignition switch, battery case and the 5th thermocouple respectively by wire, when initial, the second control valve makes burner first branch road be in the normally open of conducting, then being converted to off state when lighting a fire energising, whether can producing thermoelectrical potential according to the 5th thermocouple again after power-off and being automatically adjusted to shutoff or conducting state.
2. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 1, is characterized in that:
The first described control valve comprises pedestal and is installed on the magnetic valve A at the upper and lower two ends of pedestal, magnetic valve B, pedestal has the cavity of hollow, magnetic valve A connects button ignition switch by wire, battery case, magnetic valve B connects second by wire, three thermocouple, the sidewall of pedestal is provided with two the gas piping joints staggering and arrange, magnetic valve A produces the spool A of movement under being included in energising situation, valve rod A and the spring A making spool A reset under powering-off state, the thermoelectrical potential that is included in magnetic valve B comes into force and produces the valve rod B of movement in situation, spool B and the spring B making spool B reset when thermoelectrical potential disappears, spool A, valve rod A, valve rod B, spool B is all in cavity, one of valve rod A abuts against with spool B,
The position blocking described two gas piping connector channel is at initial shape body bottom spool B, when magnetic valve A is energized, valve rod A moves to promote spool B and gets out of the way and make two gas piping joints keep communicating, reset under spring A effect at magnetic valve A power-off back valve core A, spool B resets under spring B effect, again blocks the passage of two gas piping joints; When magnetic valve B receives thermoelectrical potential, spool B is attracted to produce and moves to make two gas piping joints keep communicating, and when thermoelectrical potential disappears, spool B resets under spring B effect, again blocks the passage of two gas piping joints.
3. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 2, it is characterized in that: pedestal and magnetic valve A are fixedly linked, magnetic valve A comprises housing, fixed iron core is installed with in housing, coil is surrounded with outside iron core, housing is provided with for external wire with to the electrode of coil power supply, cavity is provided with in iron core, a part of valve rod A is located in cavity, another part and the spool A of valve rod A are in the cavity of pedestal, spool A is fixedly sleeved on valve rod A, on valve rod A, also cover has pad, first step is provided with in cavity, pad is against on first step, and the position residing for pad does not affect the break-make of two gas piping joints all the time, spring A is between spool A and pad, and the two ends of spring A offset with spool A, pad respectively.
4. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 3, it is characterized in that: the upper and lower two ends of iron core are equipped with external screw thread, the upper end of iron core is connected with a nut, and nut is against on housing, and the lower end of iron core is connected with pedestal threaded upper ends.
5. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 2, it is characterized in that: magnetic valve B is fixedly installed on the lower end of pedestal, magnetic valve B comprises valve body, valve body maintains static, valve rod B is located in valve body, spool B is fixed at the end of valve rod B, valve body lower end is provided with electromagnet and produces the electrode of magnetic force in order to connect wire and to make electromagnet be energized, spring B is between spool B and valve body, and the two ends of spring B offset with spool B, valve body respectively, in cavity, be provided with second step, spool B and second step offset.
6. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 5, it is characterized in that: pedestal bottom is connected with an its thread, described nut has in-flanges, valve body lower end is provided with the collar flange of evagination, valve body inserts after in cavity, and collar flange is against pedestal lower end by described in-flanges.
7. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 1, it is characterized in that: in shower nozzle, be provided with the first air flue being communicated with first interface and first jet, be communicated with the second air flue of the second interface and second nozzle, the first air flue and the second air flue are spaced apart.
8. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 1 or 7, is characterized in that: the length of first jet is greater than the length of second nozzle, and the aperture of first jet is greater than the aperture of second nozzle.
9. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 1, is characterized in that:
The second described control valve comprises pedestal and is installed on the magnetic valve C at the upper and lower two ends of pedestal, magnetic valve D, pedestal has the cavity of hollow, magnetic valve C connects button ignition switch by wire, battery case, magnetic valve D connects the 5th thermocouple by wire, the sidewall of pedestal is provided with two the gas piping joints staggering and arrange, magnetic valve C produces the spool C of movement under being included in energising situation, valve rod C and the spring C making spool C reset under powering-off state, the thermoelectrical potential that is included in magnetic valve D comes into force and produces the valve rod D of movement in situation, spool D and the spring D making spool D reset when thermoelectrical potential disappears, spool C, valve rod C, valve rod D, spool D is all in cavity, one of valve rod C abuts against with spool D,
The position of two gas piping connector channel described in conducting is at initial shape body bottom spool D, when magnetic valve C is energized, valve rod C moves to promote spool D and moves and make to block two gas piping joints, reset under spring C effect at magnetic valve C power-off back valve core C, spool D resets under spring D effect, again the passage of conducting two gas piping joints; When magnetic valve D receives thermoelectrical potential, spool D is attracted to produce and moves to make two gas piping joints keep blocking, and when thermoelectrical potential disappears, spool D resets under spring D effect, again the passage of conducting two gas piping joints.
10. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 9, it is characterized in that: pedestal and magnetic valve C are fixedly linked, magnetic valve C comprises housing, fixed iron core is installed with in housing, coil is surrounded with outside iron core, housing is provided with for external wire with to the electrode of coil power supply, cavity is provided with in iron core, a part of valve rod C is located in cavity, another part and the spool C of valve rod C are in the cavity of pedestal, spool C is fixedly sleeved on valve rod C, on valve rod C, also cover has pad, first step is provided with in cavity, pad is against on first step, and the position residing for pad does not affect the break-make of two gas piping joints all the time, spring C is between spool C and pad, and the two ends of spring C offset with spool C, pad respectively.
11. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 10, it is characterized in that: the upper and lower two ends of iron core are equipped with external screw thread, the upper end of iron core is connected with a nut, and nut is against on housing, and the lower end of iron core is connected with pedestal threaded upper ends.
12. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 9, it is characterized in that: magnetic valve D is fixedly installed on the lower end of pedestal, magnetic valve D comprises valve body, valve body maintains static, valve rod D is located in valve body, spool D is fixed at the end of valve rod D, valve body lower end is provided with electromagnet and produces the electrode of magnetic force in order to connect wire and to make electromagnet be energized, spring D is between spool D and valve body, and the two ends of spring D offset with spool D, valve body respectively, in cavity, be provided with second step, spool D and second step offset.
13. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 12, it is characterized in that: pedestal bottom is connected with an its thread, described nut has in-flanges, valve body lower end is provided with the collar flange of evagination, valve body inserts after in cavity, and collar flange is against pedestal lower end by described in-flanges.
14. a kind of self-adapting type gas-fired warmer with dual gas sources according to claim 12, it is characterized in that: two gas piping joints are one high and one low, valve body is in the lower to lower end position place of low gas piping connector channel, second step be in high gas piping connector channel on along position, leave space between valve rod D and the cavity of pedestal.
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Cited By (1)
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| CN108916876A (en) * | 2018-07-05 | 2018-11-30 | 南京锐控机电制造有限公司 | Gas source automatic identification control device and gas source automatic identifying method |
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Effective date of registration: 20180322 Address after: 211100 Jiangsu city of Nanjing province Jiangning Airport Economic Zone No. 10 bell hill road junction (Jiangning Development Zone) Patentee after: Nanjing Rui control mechanical and Electrical Manufacturing Co., Ltd. Address before: 321102 three Xin Road, Lanxi Economic Development Zone, Zhejiang Province, No. 27 Patentee before: Fu Guohong |
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