CN1020795C - Torch with automatic after-combustion when out - Google Patents
Torch with automatic after-combustion when out Download PDFInfo
- Publication number
- CN1020795C CN1020795C CN 91101567 CN91101567A CN1020795C CN 1020795 C CN1020795 C CN 1020795C CN 91101567 CN91101567 CN 91101567 CN 91101567 A CN91101567 A CN 91101567A CN 1020795 C CN1020795 C CN 1020795C
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- Prior art keywords
- burner
- flame
- valve
- gas
- decompression venting
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- 238000002485 combustion reaction Methods 0.000 title claims description 25
- 239000000446 fuel Substances 0.000 claims abstract description 31
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000002737 fuel gas Substances 0.000 claims abstract description 13
- 238000010892 electric spark Methods 0.000 claims abstract description 12
- 230000000087 stabilizing effect Effects 0.000 claims abstract description 6
- 230000006837 decompression Effects 0.000 claims description 70
- 239000007789 gas Substances 0.000 claims description 68
- 238000013022 venting Methods 0.000 claims description 64
- 239000003380 propellant Substances 0.000 claims description 43
- 238000007789 sealing Methods 0.000 claims description 15
- 238000010304 firing Methods 0.000 claims description 14
- 239000000567 combustion gas Substances 0.000 claims description 13
- 239000003990 capacitor Substances 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 6
- 230000010355 oscillation Effects 0.000 claims description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 230000007935 neutral effect Effects 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000003993 interaction Effects 0.000 abstract description 2
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 11
- 238000004043 dyeing Methods 0.000 description 4
- 239000004449 solid propellant Substances 0.000 description 4
- 230000001939 inductive effect Effects 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 244000171022 Peltophorum pterocarpum Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The torch consists of a shell, a top pressure mechanism, a fuel cylinder, a one-way valve, a pressure reducing and stabilizing valve, a burner and an automatic re-ignition igniter which are sequentially arranged in the shell from bottom to top. And the bottom cover is rotated anticlockwise, the jacking mechanism pushes the fuel cylinder to rise, the one-way valve is opened, and meanwhile, the power supply is switched on, at the moment, the fuel gas enters the combustor from the fuel cylinder through the one-way valve and the pressure reduction and stabilization valve and is sprayed out from the fire hole, the igniter generates electric sparks to ignite the fuel gas, and the whole process is completed instantly. The igniter can also achieve the purposes of instantaneous automatic ignition, wind prevention and rain prevention when flame is extinguished due to external reasons through the interaction of the ignition needle and the flame sensing needle, the bottom cover is rotated clockwise, the fuel cylinder falls down along with the descending of the jacking mechanism, and the air source and the power supply are cut off at the same time.
Description
The invention belongs to particularly torch of portable illumination device.
Various types of in the world at present magnificent sports meets, as the famous Olympic Games, the Asian Games need hand on the torch.Torch has solid fuel type torch, and this torch will bother with artificial open firing point combustion, time-consuming, and solid fuel is difficult for lighting, and watered by outside cause such as wind rain, easily extinguish, each resume combustion all manually naked light light, very inconvenient, the solid fuel calorific value is low in addition, and the flame combustion insufficient height is under the sunlight, flame is not obvious, solid fuel is difficult for fully burning, smolders during burning, and is bigger to air pollution.Soviet Union's patent of invention 1320584 provides a kind of torch, this torch is by housing, handle one propellant bottle, fuel feed pipe, burner, crossing hot cell and dyeing apparatus forms, though this torch is beautiful colored torch owing to there is dyeing apparatus to provide, but must be at first when using mix up metering device according to the temperature of surrounding air, removing under the situation of lid, rotate Throttle needle valve, according to ambient temperature, pre-determine angle of rotation, utilize screw thread that handle one propellant bottle is tightened then, withstand detachable ring, to prevent that torch from engaging automatically, afterwards, dyeing apparatus is introduced burner housing, in such cases, utilize rubber washer that dyeing apparatus is fixed on the housing, utilize the ready torch of aforesaid way, can bring into use, if as run into bad weather, when outside cause extinguished torch, the repetition said process of still needing can rekindle torch, so this torch complicated operation uses inconvenience.
The object of the present invention is to provide a kind of torch capable of glowing again automatically on flame-out that uses liquid gas, it is not afraid of wind and jolts when running, this torch burning is stable, flame height can reach 20-25cm, diameter can reach 8-11cm, inflated incendivity 20-25 minute, and ventilation is convenient at every turn, fast, simple to operate.
This torch capable of glowing again automatically on flame-out is by housing and from bottom to top be successively placed on top-pressure mechanism in the housing, propellant bottle, check valve, decompression venting valve, the fuel device of fuel is housed and extinguishes automatic resume combustion igniter and forms.Top-pressure mechanism is positioned at torch bottom, the bottom of counterclockwise turn top-pressure mechanism, propellant bottle is risen, when fuel socket joint mouth backs down check valve, also back down circuit controling switch and connect power supply, that is to say that propellant bottle rises simultaneously, connect source of the gas and power supply (otherwise the bottom of clockwise turn top-pressure mechanism, propellant bottle descends, close gas circuit and circuit simultaneously), at this moment, fuel gas enters decompression venting valve through check valve, enter the burner that is positioned at the torch topmost after the decompression voltage stabilizing, this process moment finishes, and igniter is lighted a fire automatically, and torch is lighted.When the burning fire torch puts out owing to certain outside cause, gas still flows out from burner, because this igniter is for extinguishing automatic resume combustion type igniter, can moment rekindle torch, principle is that the flame-sensing needle and the igniting pin of igniter is positioned at the burner both sides, when source of the gas was opened, ignition switch also was opened, at this moment, firing circuit produces a high pressure, this high pressure makes the igniting pin produce electric spark and lights gas, is connected to sense flame circuit and flame-sensing needle on the firing circuit, after combustion gas is lighted, when the heat energy that produces makes flame-sensing needle be high potential, firing circuit quits work, and when fray-out of flame, flame-sensing needle is an electronegative potential, sense flame circuit quits work, this moment, firing circuit restarted, and the igniting pin produces electric spark again and lights gas, and this process only can be finished in 1 second.
Engage accompanying drawing below and describe structure of the present invention and operation principle in detail
Accompanying drawing 2 is top-pressure mechanism structure and operation principle schematic diagram
Accompanying drawing 3 is one-way valve structures and operation principle schematic diagram
Accompanying drawing 4 is decompression venting valve structure and operation principle schematic diagram.
Accompanying drawing 5 is burner structure and operation principle schematic diagram
Accompanying drawing 6 is for extinguishing automatic resume combustion igniter structure and operation principle schematic diagram.
Wherein (1) is burner
(2) be top cover
(3) thermal insulation board
(4A) the igniting pin (4B) is flame-sensing needle
(5) igniter support
(6) igniter
(7) fire row sealed tube
(8) thermal insulation board
(9) shell
(10) nozzle is taken over
(11) burner arm
(12) decompression venting valve
(13) joint (I)
(14) decompression venting valve installing plate
(15) bearing support
(16) joint (II)
(17) power supply
(18) gauge tap
(19) inlet suction port
(20) the propellant bottle collar
(23) propellant bottle back-moving spring
(24) propellant bottle
(25) push rod
(21) joint III
(22) bottom
(26) fuel socket joint mouth
(27), (28), (30), (32) sealing ring
(29) check valve core retainer plate
(31) nonreturn valve core
(33) back-moving spring
(34) decompression venting valve inlet suction port
(35) nozzle
(36) decompression venting valve housing
(37) valve port rubber blanket
(38) balance pivot
(39) lever
(40) pull bar
(41) film
(42) decompression venting valve valve gap
(43) balancing spring
(44) plug pipe
Accompanying drawing 1 is Torch structure and operation principle schematic diagram
Known that by figure torch mainly by housing with from lower and be successively placed on top-pressure mechanism in the housing, is equipped with the propellant bottle of fuel, check valve, decompression venting valve, burner and extinguish the automatic after-combustion igniter and form.
The top-pressure mechanism that can the control combustion tube rises or descend is positioned at the foot of torch housing inner chamber, formed by bottom (22), joint III (21), push rod (25), bottom (22) is contained in the housing afterbody, joint III (21) is fixed on the housing intracavity bottom, bottom (22) and joint III (21) threaded connection, in joint III (21) endoporus push rod (25) is housed, push rod (25) vertically is placed on the inner face of bottom (22) bottom surface by axial direction;
The propellant bottle (24) that fuel is housed is placed on push rod (25) upper surface, and inlet suction port (19) and check valve gas circuit that the fuel socket joint mouth (26) on the propellant bottle upper surface stretches in the check valve communicate, and the fuel in the propellant bottle (24) is liquid gas fuel;
Check valve is placed on propellant bottle (24) top, by inlet suction port (19), decompression venting valve inlet suction port (34), back-moving spring (33), nonreturn valve core (31), check valve core retainer plate (29) and sealing ring (32), (30), (28), (27) form, inlet suction port (19) and decompression venting valve inlet suction port (34) stub end threaded connection, gas circuit communicates, and seal with sealing ring (32), the inner stepped hole of forming of its connector, sealing ring (27) is housed from bottom to up successively, (28), check valve core retainer plate (29), sealing ring (30), nonreturn valve core (31) and back-moving spring (33), join by decompression venting valve inlet suction port (34) and decompression venting valve on the check valve and gas circuit communicates, down by fuel socket joint mouth (26), inlet suction port (19) and propellant bottle (24) join and gas circuit communicates;
Decompression venting valve is placed on the check valve top, is made up of decompression venting valve valve body (36), valve gap (42), valve port rubber blanket (37), balance pivot (38), lever (39), pull bar (40), film (41), balancing spring (43).Film (41) is parallel to the bottom surface of valve body (36), be positioned at valve body (36) and valve gap (42) Xiang Jiechu, the centre is installed with pull bar (40) and film (41) is fixed together, and be with lever (39), balancing spring (43) is contained in the valve gap (42), decompression venting valve joins by inlet suction port (34) and check valve down and gas circuit communicates, and upward joining also by burner nozzle (35) and burner, gas circuit communicates;
Fuel device is placed on the decompression venting valve top, have one can guarantee in the middle of the burner (1), the endoporus that following gas circuit communicates, plug pipe (44) is equipped with in endoporus bottom (burner bottom), the burner bottom end face, be screwed on burner arm (11) together with plug pipe (44), burner arm (11) is screwed on the decompression venting valve valve body, one endoporus is arranged in the middle of the burner arm (11), endoporus reached in plug pipe (44) endoporus that is contained in the inner chamber of burner (1) bottom in the middle of nozzle (35) passed burner arm (11), the burner top is the garden plate-like, and some fire holes are arranged above;
Below the decompression venting valve installing plate (14), be screwed a square bearing support (15), on the side of the vertical installing plate (14) of bearing support (15), be screwed gauge tap (18), the gauge tap of control point firearm (18) is positioned at the neutral gear between combustion barrel (24) upper surface and the decompression venting valve installing plate (14);
Extinguish automatic resume combustion igniter (6) and be positioned at torch top, be fixed on the both sides of sealed tube (7) by support (5), igniting pin 4A is in a side of burner 1, and flame-sensing needle 4B is at the opposite side of burner (1), and extinguishing automatic resume combustion igniter is by triode Q
3, Q
4, transformer T
1, resistance R
4The intermittent oscillation circuit of forming, transformer T
1Output through commutation diode D
1After the rectification to capacitor C
1, C
2C is worked as in charging
1Capacitance voltage reach diac D
3During required voltage, controllable silicon D
2Conducting, capacitor C
2Stored energy is to transformer T
2Discharge, make T
2The secondary high pressure that obtains, this high pressure makes the igniting pin that is positioned at burner one side produce electric spark, lights combustion gas.At multiple tube Q
3Ground level on be connected to a sense flame circuit, said sense flame circuit is by multiple tube Q
1, Q
2And Q
1Base stage on the flame-sensing needle that is positioned at the burner another side that is connected to form, after combustion gas was lighted, flame-sensing needle was a high potential, multiple tube Q
1, Q
2Conducting makes Q in the firing circuit
3Be high potential, firing circuit quits work, and when combustion gas was extinguished, flame-sensing needle was an electronegative potential, multiple tube Q
1, Q
2Be electronegative potential, Q
1, Q
2End multiple tube Q
3, Q
4Conducting again, the igniting pin produces electric spark, lights gas;
Housing is by upper shell (9), and lower house (45) and top cover (2) are formed, and all available thin type steel plate of above-mentioned each parts is stamped to form.Lower house (45) upper end is welded with the tapped joint II of certain wall thickness (16), upper shell (9) lower end is welded with the externally threaded joint I of certain wall thickness band (13), joint I (13) and joint II (16) threaded connection are combined into one lower house (45) and upper shell (9), top cover (2) and the welding of upper shell (9) upper end, on upper shell (9) upper inside wall, be welded with garden ring holder, endoporus penetrates burner bottom Cylinder in the middle of the thermal insulation board (3), holder is in the ring holder of garden, igniting pin 4A and flame-sensing needle 4B lower end are stuck on the Cylinder of burner (1) bottom, top is passed thermal insulation board (3) and is gone up corresponding hole, and is fixed on burner (1) both sides.
Lower house (45) lowermost end is equipped with bottom (22), and top-pressure mechanism is housed in housing from bottom to up successively, and the propellant bottle of fuel is housed, check valve, gauge tap, decompression venting valve, burner and extinguish automatic resume combustion igniter, top cover (2) at torch topmost.
Describe in detail one by one below in conjunction with accompanying drawing
Accompanying drawing 2 is top-pressure mechanism structure and operation principle schematic diagram
Top-pressure mechanism is made up of bottom (22), joint III (21), push rod (25).Wherein bottom (22) is contained in lower house (45) afterbody, joint III (21) is fixed on lower house (45) intracavity bottom, bottom (22) and joint III (21) threaded connection, in joint III (21) endoporus push rod (25) is housed, push rod (25) vertically is placed on bottom (22) inner face by axial direction, propellant bottle (24) lower end and push rod (25) join, the upper end has fuel socket joint mouth (26), the propellant bottle snap ring (20) that is fixed on shell (9) inwall is fixed propellant bottle (24) and be close on push rod (25) upper surface, and propellant bottle back-moving spring (23) is contained between decompression venting valve fixed head (14) and propellant bottle (24) upper surface.
Be rotated counterclockwise bottom (22), because between bottom (22) and the joint III (21) is threaded connection, bottom moves upward relatively, and to promote push rod (25) up, it is up that push rod promotes propellant bottle (24) again, overcome propellant bottle back-moving spring (23) pressure, the fuel socket joint mouth (26) of propellant bottle (24) upper end stretches into inlet suction port (19), opens source of the gas.
The bottom (22) that turns clockwise, bottom moves down, and push rod (25) and propellant bottle (24) be because deadweight, and fall under action of reset spring, and source of the gas then cuts off.
Accompanying drawing 3 is one-way valve structures and operation principle schematic diagram.
Check valve is by inlet suction port (19), decompression venting valve inlet suction port (34), and back-moving spring (33), nonreturn valve core (31), check valve core retainer plate (29) and sealing ring (32), (30), (28), (27) are formed.
Inlet suction port (19), decompression venting valve inlet suction port (34) stub end, threaded connection, gas circuit communicates, and seal with sealing ring (32), the inner stepped hole of forming of its connector is equipped with sealing ring (27), (28), check valve core retainer plate (29), sealing ring (30) nonreturn valve core (31) and back-moving spring (33) from bottom to up successively.
Join by decompression venting valve inlet suction port (34) and decompression venting valve on the check valve and gas circuit communicates, down joining also by fuel socket joint mouth (26), inlet suction port (19) and propellant bottle (24), gas circuit communicates.
Fuel socket joint mouth (26) enters inlet suction port (19), sealing ring (27) (28) produces sealing function, guarantee that gas can not leak, inflator connects mouth (26) to be continued to extend into check valve core retainer plate (29) and overcomes back-moving spring (33) pressure until heading on nonreturn valve core (31), open nonreturn valve core (31), gas in the propellant bottle (24) enters decompression venting valve inlet suction port (34) safely, otherwise, after fuel socket joint mouth (26) leaves nonreturn valve core (31), under back-moving spring (33) effect, nonreturn valve core (31) is closed gas circuit immediately automatically, and the gas that remains in the decompression venting valve can not flow backwards, and guarantees safety.
Accompanying drawing 4 is decompression venting valve structure and operation principle schematic diagram.
Among the figure, the arrow that makes progress below is the placement location and the airflow direction of decompression venting valve inlet suction port (34), also be the decompression venting valve air inlet, the arrow that makes progress above is nozzle connection (10) placement location and the airflow direction that is connected with nozzle (35), also is the decompression venting valve gas outlet.Decompression venting valve (12) is by decompression venting valve valve body (36), valve gap (42), valve port rubber blanket (37), balance pivot (38), lever (39), pull bar (40), film (41), and balancing spring (43) is formed.Film (41) is parallel to the bottom surface of valve body (36), is positioned at valve body (36) and valve gap (42) Xiang Jiechu, and the centre is installed with pull bar (40) and film (41) is fixed together, and is with lever (39), and balancing spring (43) is contained in the valve gap (42),
Enter the fuel gas of decompression venting valve (12) via decompression venting valve inlet suction port (34), by the passage between valve port rubber blanket (37) in this valve and the decompression venting valve valve body (36), enter into the decompression venting valve inner chamber, because fuel gas itself has pressure, pressure acts on film (41), promoting film (41) is moved to the left, because pull bar is fixed on the film (41), and pull bar (40) entangles lever (39), utilize lever principle as can be known, valve port rubber blanket (37) can move right and make that sectional area reduces between valve port rubber blanket (37) and the decompression venting valve valve body (36), thereby reduce fuel gas and enter the decompression venting valve inner chamber, up to the thrust of gas generation and the dynamic balance of balancing spring (43), the gas pressure that enters the decompression venting valve inner chamber will be stabilized in the specified excursion, after source of the gas cuts off, remain in the gas in the decompression venting valve, all through nozzle connection (10), spray into burner by nozzle (35), until burning-out, only keep (1-2 second) during this period of time., enter nozzle connection (10), and spray into burner (1) by the decompression venting valve gas outlet through the fuel gas after the decompression venting valve decompression voltage stabilizing from nozzle (35).
Fig. 5 is burner structure and operation principle schematic diagram.
Have one can guarantee in the middle of the burner (1), the endoporus that following gas circuit communicates, plug pipe (44) is equipped with in endoporus bottom (burner bottom), the burner bottom end face, be screwed on burner arm (11) together with plug pipe (44), burner arm (11) is screwed on the decompression venting valve valve body, one endoporus is arranged in the middle of the burner arm (11), endoporus reached in plug pipe (44) endoporus that is contained in the inner chamber of burner (1) bottom in the middle of nozzle (35) passed burner arm (11), the burner top is the garden plate-like, some fire holes are arranged above, and fuel gas is injected the burner bottom by nozzle (35) after the decompression voltage stabilizing, and directly goes up the burner top, flow out at fire hole all around, mix with air promptly by spark moment and light, burning immediately, torch begins life's work, because burner arm, plug pipe and nozzle three close fit, air can not enter the burner bottom, and combustion gas does not have primary air to mix, and produce yellow flame, so just become torch worthy of the name.
After source of the gas cuts off, do not have the fuel gas ejection, can not burn, then torch extinguishes.Below decompression venting valve installing plate (14), be screwed a square bearing support (15), on the side of bearing support (15) perpendicular to installing plate (14), be screwed gauge tap (18), gauge tap (18) is positioned at the neutral between combustion barrel (24) upper surface and the decompression venting valve installing plate (14), be placed on upper shell in parallel of ignition power of control by gauge tap (18) with decompression venting valve, when propellant bottle (24) up, when backing down nonreturn valve core, also backed down gauge tap (18), and the connection power supply, propellant bottle (24) is descending, when gas circuit is closed, gauge tap (18) is also cut off the electricity supply, so the gas circuit of this torch and circuit are opened and closed is synchronous.
Because certain outside cause when extinguishing, for example, wind or rain water etc. when the gas of burning, and gas still flows out from nozzle, how to make torch resume combustion automatically in the very short time, and does not need to operate again torch.This problem is finished by the automatic resume combustion igniter that is installed in torch top.Can be seen that by Fig. 1 automatically resume combustion igniter (6) is fixed on the both sides of sealed tube (7) by support (5), igniting pin 4A is in a side of burner (1), and flame-sensing needle 4B is at the opposite side of burner (1).When the torch source of the gas was opened, the switch of igniter also was opened, and at this moment firing circuit produces a high pressure, and this high pressure makes the igniting pin produce electric spark, lights gas.On firing circuit, be connected to a sense flame circuit and a flame-sensing needle.After combustion gas is lighted, it is high potential that the heat energy that combustion gas produced makes flame-sensing needle, and this high potential ends firing circuit, quits work, when combustion gas is extinguished by certain outside cause, flame-sensing needle is an electronegative potential, and sense flame circuit ends, and quits work, this moment, firing circuit was reset, the igniting pin produces electric spark again, lights gas, and this process only can be finished in 1 second.
Describe the operation principle of automatic resume combustion igniter below in detail.
Know by accompanying drawing 6, after power switch K closure, triode Q
3From R
1Obtain base current, so multiple tube Q
3, Q
4R is suitably regulated in conducting
3, then make Q
3, Q
4, transformer T
1And R
4The intermittent oscillation circuit of forming produces intermittent oscillation signal, transformer T
1Secondary output through commutation diode D
1Obtain direct current after the rectification, this DC voltage is simultaneously to capacitor C
1, C
2Capacitor C is worked as in charging
1Capacitance voltage rise to diac D
3During needed trigger voltage, controllable silicon D
2So conducting is capacitor C
2In stored energy to transformer T
2Elementary release, T
2The secondary high pressure that just obtained, this high pressure makes the igniting pin produce electric spark, lights combustion gas.While controllable silicon D
2Conducting makes transformer T
1Secondary short circuited, high direct voltage disappears, controllable silicon automatically shuts down, and enters the work in another cycle.After in a single day combustion gas lights, make flame-sensing needle is burnt to red-hot.Flame-sensing needle is higher metal of fusing point such as stainless steel.At this moment with triode Q
1The flame-sensing needle that base stage links to each other obtains high potential, and this high potential makes Q
1, Q
2The multiple tube conducting of forming, at this moment triode Q
3Base stage to make no longer be electronegative potential but high potential, Q
3End, by Q
3, Q
4, T
1, R
4The intermittent oscillation circuit of forming quits work transformer T
1No-output, firing circuit quits work.If (K switch closure) meets accident flame-outly in the igniter use, the inductive needle temperature reduces, and at this moment inductive needle is an electronegative potential.While triode Q
1Base stage also be electronegative potential Q
1, Q
2The multiple tube of forming ends, at this moment Q
3Base stage be negative potential, Q
3, Q
4Conducting, Q
3, Q
4, T
1, R
4The intermittent oscillation circuit of forming produces vibration, transformer T
1Secondary have voltage to export T
2Produce high pressure, igniter produces electric spark, rekindles gas.
In sum, this torch operation principle is:
Fuel socket joint mouth inserts a coupling components, by top-pressure mechanism propellant bottle is risen, when fuel socket joint mouth backs down check valve, propellant bottle also backs down gauge tap (18) and connects the igniting of power supply point firearm, at this moment gas enters the decompression venting valve door, through decompression and pressure stabilization function, gas enters burner combustion by nozzle, this process moment finishes, the gas circuit circuit is synchronous, flame height in the combustion process, and size is constant substantially, igniter then passes through the interaction of igniting pin and flame-sensing needle, and reaches the purpose of instantaneous automatic igniting and windproof and rain proof.
Instantaneous automatic igniting basic functional principle is: behind the power connection, by the amplification of electronic circuit, produce electrion between igniting pin and the burner, form electric spark, thereby light gas.Produce high potential between flame-sensing needle and the burner, form the work loop, the pin work loop of lighting a fire this moment cuts off, igniting stops, in case and wind fire extinguishing or rain water and extinguish, then high potential disappears, the circuit commutation, start working again in the ignition operation loop, and moment just can be lighted gas.
Embodiment:
Torch shell A
3Steel plate is stamped to form, and is taper, and tapering is 1: 7, for easy to process, divides two sections, and being threaded forms, torch total height 500mm, and fuel gas reservoir diameter 30mm, length 120mm can adorn 70 milliliters of butane gas fuel.
Burner tip is the garden dish type, and diameter is that 26 fire holes are arranged above the 70mm, and the fire hole diameter is 2.5mm.
Claims (10)
1, a kind of torch capable of glowing again automatically on flame-out, form by parts such as housing, propellant bottle, burners, it is characterized in that its composition also comprises the top-pressure mechanism that from bottom to top is successively placed in the housing, check valve, decompression venting valve and extinguish automatic resume combustion igniter, the top-pressure mechanism that can control combustion barrel (24) upstream or downstream is positioned at the foot of torch housing inner chamber, top and propellant bottle (24) lower end and joining
The fuel of dress is gaseous fuel in the propellant bottle (24).The check valve lower end air inlet of the unidirectional inflow decompression venting valve of fuel gas (12) and propellant bottle (24) are joined and gas circuit communicates, gas outlet, upper end and decompression venting valve (12) air inlet joins, and gas circuit communicates,
The fuel gas decompression and the decompression venting valve (12) of voltage stabilizing in rated range that are flowed into by check valve are placed above the check valve that gas circuit communicates with it, and decompression venting valve (12) gas outlet and burner (1) join and gas circuit communicates,
Burner (1) is placed in decompression venting valve top, i.e. torch top, and both communicate at gas circuit, some fire holes that burner (1) top has gas circuit to communicate,
Gauge tap (18) is laid and is fixed in the neutral between propellant bottle (24) and the decompression venting valve, propellant bottle (24) is up, when opening gas circuit, also open gauge tap (18) and connect power supply, propellant bottle (24) is descending, when closing gas circuit, also closing control switch (18) and cutting off the electricity supply; Extinguish automatic resume combustion igniter (6) and be fixed on the both sides of sealed tube (7) by support (5), igniting meter 4A is in a side of burner (1), and flame-sensing needle 4B is at the opposite side of burner (1), by igniting pin 4A igniting, when fray-out of flame, flame-sensing needle 4B control igniting pin 4A lights a fire again;
2, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that described housing is by upper shell (9), lower house (45) and top cover (2) are formed, all available thin type steel plate is stamped to form, lower house (45) upper end is welded with the tapped joint II (16) of certain wall thickness, upper shell (9) lower end is welded with the externally threaded joint I of certain wall thickness band (13), joint I (13) and joint II (16) threaded connection are integral lower house (45) and upper shell (9), top cover (2) and the welding of upper shell (9) upper end.
3, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that the described top-pressure mechanism of torch bottom that is contained in is by bottom (22), joint III (16), push rod (25) is formed, bottom (22) is contained in shell (9) afterbody, joint III (16) is positioned at shell (9) intracavity bottom, be placed with propellant bottle (24) above, bottom (22) and joint III (16) threaded connection, rotation bottom (22) can make propellant bottle (24) upper and lower mobile, thereby opens and closes source of the gas and power control switch (18);
4, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that in the described propellant bottle (24) liquid fuel being housed, propellant bottle (24) lower end and push rod (25) join, the other end has fuel socket joint mouth (26), and inlet suction port (19) and check valve gas circuit that fuel socket joint mouth (26) inserts in the check valve communicate;
5, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that described check valve is by inlet suction port (19), decompression venting valve inlet suction port (34), spring (33), nonreturn valve core (31), check valve core retainer plate (29) and sealing ring (32), (30), (28), (27) are formed, and check valve is positioned at the top of fuel gas reservoir (24); Inlet suction port (19), decompression venting valve inlet suction port (34) stub end threaded connection, gas circuit communicates, and seal the inner stepped hole of forming of its union body with sealing ring (32), be equipped with successively from bottom to up on sealing ring (27), (28), check valve core retainer plate (29), sealing ring (30), nonreturn valve core (31) and spring (33), the check valve by decompression venting valve (34) and decompression venting valve and join and gas circuit communicates, (26) are chewed by the fuel socket joint in the bottom, and inlet suction port (19) and propellant bottle (24) communicate and gas circuit is joined;
6, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that described decompression venting valve (12) is by decompression venting valve valve body (36), valve gap (42), valve port rubber blanket (37), balance pivot (38), lever (39), pull bar (40), film (41), balancing spring (43) is formed, the decompression voltage stabilizing is placed on the check valve top, its air inlet and check valve gas outlet join, and gas circuit communicates, its gas outlet and burner bottom connection and gas circuit communicate, film (41) is parallel to the bottom surface of valve body (36), be positioned at valve body (36) and valve gap (42) joint, the centre is installed with pull bar (40) and film (41) is fixed together, and is with lever (39), and balancing spring (43) is contained in the valve gap (42);
7, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that having one can guarantee in the middle of the described burner (1), the endoporus that following gas circuit communicates, plug pipe (44) is equipped with in the endoporus bottom, burner bottom Cylinder, pass the endoporus of the thermal insulation board (3) of holder in the ring holder of garden, the burner bottom end face is screwed on burner arm together with plug pipe (44), burner arm (11) is screwed on the decompression venting valve valve body, one endoporus is arranged in the middle of the burner arm (11), and the nozzle (35) that joins of nozzle connection (10) passes in the middle of the burner arm (11) endoporus and reaches that burner (1) top is the garden plate-like in plug pipe (44) endoporus that is contained in the inner chamber of burner (1) bottom, some fire holes are arranged above, burner arm (11), close fit between plug pipe (44) and the nozzle (35), outside air can not enter the burner bottom, and burner (1) does not have primary air to mix;
8, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that described gauge tap (18) is screwed on the bearing support that is rectangular in shape (15) side, bearing support (15) another side is screwed below decompression venting valve installing plate (14);
9, by the described torch capable of glowing again automatically on flame-out of claim 1, it is characterized in that described igniting pin 4A and flame-sensing needle 4B lower end of extinguishing automatic resume combustion igniter is stuck on the Cylinder of burner (1) bottom, top passes that thermal insulation board (3) is gone up corresponding hole and the both sides that are fixed on burner (1);
10,, it is characterized in that described to extinguish automatic resume combustion igniter be by triode Q by the described torch capable of glowing again automatically on flame-out of claim 1
3, Q
4, transformer T
1, resistance R
4The intermittent oscillation circuit of forming, transformer T
1Output through commutation diode D
1After the rectification to capacitor C
1, C
2C is worked as in charging
1Capacitance voltage reach diac D
3During required voltage, controllable silicon D
2Conducting, capacitor C
2Stored energy is to transformer T
2Discharge, make T
2The secondary high pressure that obtains, this high pressure makes the igniting pin that is positioned at burner one side produce electric spark, lights combustion gas, at multiple tube Q
3Ground level on be connected to a sense flame circuit, said sense flame circuit is by multiple tube Q
1, Q
2And Q
1Base stage on the flame-sensing needle that is positioned at the burner another side that is connected to form, after combustion gas was lighted, flame-sensing needle was a high potential, multiple tube Q
1, Q
2Conducting makes Q in the firing circuit
3Be high potential, firing circuit quits work, and when combustion gas put out, flame-sensing needle was an electronegative potential, multiple tube Q
1, Q
2Be electronegative potential, Q
1, Q
2End multiple tube Q
3, Q
4Conducting again, the igniting pin produces electric spark, lights gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91101567 CN1020795C (en) | 1991-03-18 | 1991-03-18 | Torch with automatic after-combustion when out |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 91101567 CN1020795C (en) | 1991-03-18 | 1991-03-18 | Torch with automatic after-combustion when out |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1053834A CN1053834A (en) | 1991-08-14 |
| CN1020795C true CN1020795C (en) | 1993-05-19 |
Family
ID=4905144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91101567 Expired - Fee Related CN1020795C (en) | 1991-03-18 | 1991-03-18 | Torch with automatic after-combustion when out |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1020795C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103807857A (en) * | 2014-03-13 | 2014-05-21 | 杜建吉 | Ammonia torch burner |
| CN104482533B (en) * | 2014-12-20 | 2017-01-25 | 山西亚乐士环保技术股份有限公司 | Ammonia torch combustor |
| CN107388266B (en) * | 2017-08-22 | 2023-07-25 | 沈阳江芯绿晨环保设备有限公司 | Long-burning electronic igniter |
| CN112856481B (en) * | 2021-01-28 | 2022-06-28 | 华帝股份有限公司 | Igniter control method for preventing electrification automatic ignition and igniter applying igniter control method |
| CN112833422B (en) * | 2021-03-04 | 2024-03-08 | 河北工业大学 | Electric spark igniter for gas fuel and ignition method |
-
1991
- 1991-03-18 CN CN 91101567 patent/CN1020795C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1053834A (en) | 1991-08-14 |
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