CN201083402Y - Fume exhauster and gas combustion range integrated type internal combustion kitchen ranges - Google Patents

Abstract

The utility model relates to a lampblack exhauster and gas cooker integrated internal combustion cooker which integrates the functions of a smoke sucking and exhausting machine and a gas cooker, and is used in kitchens and other situations; a rotating shaft of a knob is fixedly connected with a cam and rotates with the cam synchronously; a microswitch is fixed on a shell body; a gas collector on the upper part of a cover plate collects air, steam, lampblack and other air mixture; the gas collector and a gas inlet pipe are connected together or made into a whole; the other end of the gas inlet pipe is connected to an inlet of an intake valve; a spark head is fixed on a stove body; a fuel gas pipeline is connected with an outlet of a gas valve and the gas inlet pipe; a burner is fixed on the stove body; the inner chamber of the burner is communicated with a gas inlet channel of the stove body; close fire holes are arranged on an actinomorphic pipe of the burner; a firebox is a fuel gas-air mixture burning space enclosed by the inner wall of the stove body and the lower surface of the cover plate; an inlet of an exhaust valve is communicated with the firebox; a conical surface of an exhaust valve core is matched with the conical surface of the inlet of the exhaust valve; the utility model is characterized in safety, reliability, energy saving, environmental protection, low price and attractive appearance, etc., and is suitable for kitchens of modern families.

Description

Lampblack absorber and gas oven integrated type internal combustion oven

Technical field:

The utility model relates to a kind of gas kitchen ranges, particularly a kind of internal combustion type kitchen range that are used for occasions such as kitchen that kitchen hood function and gas-cooker function are integrated in one.

Background technology:

At present, lampblack absorber and gas-cooker structure and function are separate in the kitchen, have the cost height, big, serial problems such as installation and maintenance are inconvenient, control is complicated, operating cost is high, effects of energy conservation and environmental protection difference take up space.In addition, almost every household ventilation (natural gas) in the city, both having made in the rural area also is to use coal gas or biogas in every family, gas-cooker and lampblack absorber are herbal.Traditional gas-cooker all is an open port firing, its the most basic characteristics are: natural gas, coal gas, liquefied petroleum gas or biogas etc. mix the back and are lighted with air, under condition, burn smaller or equal to environment atmospheric pressure, the combustion zone air-fuel ratio is low, excess air coefficient is less than 1, fuel gas buring is insufficient, and the thermal efficiency is low, below 60%.Existing gas-cooker air capacity governor motion is often succinct inadequately, reliable, and along with distributor is blocked, flame is inhomogeneous, unstable.When the combustion gas stink that time burning produces for biogas in addition the people can't bear to stand.Food seethe with excitement the out phenomenon of knock down the flame happens occasionally in the pot, and combustion gas continues to go out, and the people is poisoned or explosion danger occurs.Kitchen hood is to the purification of can not burning of the gas of various tastes and oil smoke, and just directly discharge is outdoor, has polluted outdoor overall situation.Existing multiple structure of existing relevant internal combustion kitchen range and form, as: [1] Yin Fasheng. internal combustion type gas kitchen ranges .ZL0221078.X, 2002-3-19; [2] Wang Zhanyi. closed gas kitchen ranges .ZL93243708.7,1995-7-5; [3] Liang Fuquan. internal-burning type multifunctional stove .200510117651.X, 2006-7-12; [4] Hao Yi. internal combustion smoke evacuation formula safety energy-conserving environment protection gas-cooker .ZL03239084.X, 2004-8-11.These prior arts common drawback in essence is: flame burns under the gas-cooker panel, and the waste gas of burning is directly discharged outdoor, can pollute the air of indoor and outdoor.Though existing technology has certain effects of energy conservation and environmental protection, be difficult to realize the internal combustion type structure and the function of real meaning, more difficult formation integrated structure function still has the most basic shortcoming of traditional gas-cooker.

Summary of the invention:

The purpose of this utility model is to overcome the shortcoming that prior art exists, and seeks to design a kind of internal combustion type gas kitchen ranges that kitchen hood function and gas kitchen ranges function can be organically combined the formula structure that becomes one.

In order to realize the purpose of this utility model, solve traditional lampblack absorber and the gas-cooker structure function is separate, cost is high, it is big to take up space, serial problems such as installation and maintenance are inconvenient, control is complicated, operating cost is high, effects of energy conservation and environmental protection difference; Particularly solve traditional gas-cooker fuel gas mixture not high problem of combustion thermal efficiency under environment atmospheric pressure, the utility model sucks air, steam, oil smoke and other mixing gas and supercharging by gas collector, blower fan, form fuel gas mixture in incoming air conduit road and combustion gas mixing, charge into the combustion chamber of sealing, under elevated pressures, under the empty right condition that when excess air coefficient is bigger, burn, realize the internal combustion of fuel gas mixture.Pressure when the burning of combustion gas, air Mixture is during greater than the setting pressure of air bleeding valve, and fuel gas mixture stops to enter the combustion chamber, and this moment, air bleeding valve was opened, and fully waste gas after burning is discharged to outdoor by air bleeding valve and gas exhaust piping; Internal pressure of combustion chamber descends, exhaust valve closure, and combustion gas, air Mixture continue to charge into combustion chambers burn under the promotion of blower fan; So repeatedly, form the whole combustion process of combustion gas, air Mixture.The setting pressure of air bleeding valve should be less than the gas pressure of blower fan generation.

The rotating shaft and the cam of knob of the present utility model are connected, and both rotate synchronously; Microswitch is fixed on the housing; When cam did not rotate, the contact of microswitch was at the recess of cam, and microswitch disconnects; Rotate the flange of back cam and the contact of microswitch is depressed the microswitch closure; Cut-offfing of microswitch control fan power turn-offed the power supply of blower fan during disconnection, connect the power supply of blower fan when closed; Gas collector is responsible for collecting air, steam, oil smoke and other mixing gas above cover plate; Be connected, be threaded by welding, riveted joint, flange between gas collector and the air inlet pipe, or be made into one; Can add illuminator on the gas collector; Gas collector and cover plate maintain a certain distance, so as the cook easy to operate, feel comfortable; The gas collector port size is moderate so that collect steam, oil smoke etc.; The other end of air inlet pipe is received the inlet of intake valve; Cam and connecting rod are hinged by pin, the handle of connecting rod and intake valve is hinged by pin, the handle that drives intake valve when cam rotates rotates, the aperture of control intake valve, intake valve did not cut out when cam rotated, intake valve standard-sized sheet when cam forwards extreme position to, the decision of the size of intake valve aperture enter what of air capacity of combustion chamber; Admission line connects the outlet of intake valve and the air intake of body of heater, is the passage that air enters body of heater, with intake valve by being threaded, being connected by flange with body of heater; Or adopt alternate manner to connect; The aperture of the inner gas valve of knob angle control point firearm assembly, gas valve is not closed when rotating, and does not have combustion gas to enter admission line, when forwarding maximum angle to, gas valve aperture maximum, the gas quantity maximum that enters admission line; Knob can make the piezoelectric ceramics of igniter assembly inside or ignition coil produce higher voltage; Ignitor switch lead-in wire tie point firearm assembly and spark head, high-voltage signal can be transferred to the spark head by the igniter assembly by the ignitor switch lead-in wire; The spark head is screwed on body of heater by its upper flange, or fixes by interference fit or alternate manner; Spark head of knob produces an electric spark; Advance Gas Pipe and use screw to be connected, combustion gas can be transported to the porch of the inner gas valve of igniter assembly with the igniter assembly by the flange of its end; Fuel gas pipeline connects gas valve outlet and admission line, and combustion gas can enter admission line by fuel gas pipeline and mix the formation combustion mixture with air; Burner is screwed on body of heater by its end flange, its inner chamber communicates with the inlet channel of body of heater, on the radial pipe of burner fine and closely woven fire hole is arranged, radial pipe is distributed on the cover plate below and maintains a certain distance, so that flame heats cover plate effectively, top food, the boiling appliance etc. placed of cover plate; Burner has multiple shape; The combustion chamber is the fuel gas mixture combustion space that inboard wall of furnace body and cover plate lower surface surround; Cover plate is connected by screw with body of heater, and there is seal washer the centre, seals; Air bleeding valve is connected with bolt by flange with body of heater, or connects with modes such as welding, be threaded; The inlet of air bleeding valve communicates with the combustion chamber, and the cone match at the conical surface of exhaust plug and exhaust valve upper inlet place plays good sealing function when exhaust valve closure; Spring one end is against on the exhaust plug, and the other end is against to be adjusted on the screw, and the opening pressure of its decrement decision air bleeding valve is directly controlled the combustion mixture pressure in the combustion chamber; Exhaust plug, spring, adjustment screw axis overlap, and adjust the decrement of screw regulating spring, adjust between screw and exhaust valve by being threaded; Intake valve, body of heater and air bleeding valve all are fixed together by support members such as gripper shoe and housing; Blast pipe surrounds the part of air inlet pipe, so that utilize the air in the waste gas residual heat heating air inlet pipe, improves energy utilization rate; Blast pipe is received outdoor by pipeline; Body of heater is double-deck hollow structure, forms the body of heater inner chamber between inside and outside wall, can reduce conduction, convection current and the radiation of heat in the combustion chamber on the one hand and scatter and disappear, and also can drink or bathe usefulness with this cavity warm water on the other hand; Housing is responsible for supporting and the protection main part, and its top panel should be lower than cover plate, in order to avoid boiling appliance is interfered when on the cover board sliding.

During the utility model operation, rotate internal combustion kitchen range knob, the contact or the roller that press microswitch by the cam in its rotating shaft are connected fan power, open gas valve on intake valve and the igniter assembly by linkage or other device on the other hand, blower fan sucks air and supercharging is transported in the incoming air conduit road, combustion gas mixes with air in the incoming air conduit road, and the fire hole by burner is ejected in the combustion chamber then; The igniter assembly produces high-voltage signal in the time of turning knob, by the ignitor switch lead-in wire, produces electric spark at the spark head, the combustion mixture that ignites, the food or the kitchen range that boil above the at first cover plate above the heating furnace body, and then the heating cover plate.Fuel gas mixture begins to be lighted by the spark head, utilizes calory burning to burn voluntarily later on.The knob anglec of rotation is big more, and the aperture of valve is big more, and the fuel gas mixture that enters body of heater is many more, and the power of internal combustion kitchen range is high more.Can realize its operation by key switch and electric-control system.

The internal combustion kitchen range of the integrated lampblack absorber function that the utility model relates to, the not only integrated function of lampblack absorber, and have essential distinction with the operation principle of traditional gas-cooker, realized that really mists such as air, steam, oil smoke, combustion gas are under an enclosure space, the elevated pressures, burn under the empty right situation that when excess air coefficient is bigger.The pressure of gaseous mixture is realized by the blower fan supercharging, the pressure size is determined by the air bleeding valve setting pressure, body of heater adopts double-deck hollow structure, the conduction of heat, convection current and radiation loss will greatly reduce, fuel gas buring is more abundant, waste gas is directly discharged outdoor, and waste gas residual heat is used for the air in the heating air inlet pipeline, and the body of heater intracavity space can be used to warm water and drinks or bathe usefulness.The utility model not only cost low, take up space for a short time, safe and reliable, and have tangible effects of energy conservation and environmental protection (thermal efficiency of internal combustion kitchen range reaches more than 80%).In addition,, form the body of heater inner chamber, can reduce conduction, convection current and the radiation loss of heat on the one hand, also can drink or bathe usefulness on the other hand with this cavity warm water because its body of heater adopts double-deck hollow structure.The air that the waste gas of discharging is used for heating in the incoming air conduit further improves the thermal efficiency of internal combustion kitchen range up to more than 80%.That the internal combustion kitchen range have is safe and reliable, energy-conserving and environment-protective, inexpensive characteristics such as attractive in appearance, is fit to very much the kitchen of Modern Family.

Description of drawings:

Fig. 1 looks schematic diagram for the master of structural principle of the present utility model.

Fig. 2 is the schematic top plan view of structural principle of the present utility model.

Fig. 3 looks schematic diagram for the left side of structural principle of the present utility model.

Fig. 4 looks schematic diagram for the right side of structural principle of the present utility model.

The specific embodiment:

During the utility model was implemented, its main structural component comprised knob 1, cam 2, igniter assembly 3, advance Gas Pipe 4, ignitor switch lead-in wire 5, spark head 6, screw 7, screw 8, seal washer 9, body of heater 10, burner 11, cover plate 12, bolt 13, air bleeding valve 14, gripper shoe 15, body of heater inner chamber 16, combustion chamber 17, screw 18, housing 19, bolt 20, admission line 21, intake valve 22, screw 23, microswitch 24, fuel gas pipeline 25, screw 26, exhaust plug 27, spring 28, adjust screw 29, exhaust valve 30, blast pipe 31, blower fan 32, pin 33, connecting rod 34, pin 35, screw 36, air inlet pipe 37 and gas collector 38.Further specify each member function and annexation below in conjunction with accompanying drawing.

When the utility model is implemented, its knob 1 is connected by its rotating shaft and cam 2, turn knob 1, cam 2 rotates synchronously, and the contact of depressing microswitch 24 is to connect the power supply of blower fan 32, blower fan 32 begins to rotate, suck air, steam, oil smoke and other mixing gas by gas collector 38, arrive intake valve 22 places and supercharging by air inlet pipe 37, gas collector 38 can be connected by welding, screw thread, flange or alternate manner with air inlet pipe 37, gas collector 38 above cover plate 12, with the distance of cover plate 12 should be easy to operate being advisable such as to cook, boil; Drive the handle rotating opening intake valve 22 of intake valves 22 when turning knob 1 by connecting rod 34, the handle of connecting rod 34 and intake valve 22 is connected by pin 33, and connecting rod 34 is connected by pin 35 with cam 2; Air with elevated pressures arrives admission line 21 by intake valve 22, and intake valve 22 is shown in the figure for being threaded with blower fan 31 and admission line 21, also can weld or the flange connection.Microswitch 24 is installed on the housing 19 by screw, guarantees with the relative tertiary location of cam 2 constant.When rotating, knob 1 opens the gas valve of igniter assembly 3 inside by its rotating shaft, and the piezoelectric ceramics or the ignition coil that pass through igniter assembly 3 inside produce high-voltage signal, this voltage arrives spark head 6 by ignitor switch lead-in wire 5, and by spark head 6 generation electric sparks, knob 1 rotates and once produces electric spark one time; The rotational angle of knob 1 and the aperture of gas valve relation in direct ratio are directly controlled the quantity delivered of combustion gas; The aperture of the rotational angle of knob 1 and intake valve 22 relation also in direct ratio is directly controlled air inflow, thereby controls the power of the internal combustion kitchen range of integrated lampblack absorber function.Spark head 6 is fixed on the body of heater 10 with screw 7 by the flange on it.Advancing Gas Pipe 4 uses screw 36 to be connected with igniter assembly 3 by the flange of its end, combustion gas is transported to the gas valve place of igniter assembly 3 inside, when gas valve was opened, combustion gas entered admission line 21 by fuel gas pipeline 25, mixed with air to form combustion mixture.Admission line 21 is connected with flange on the body of heater 10 with bolt 20 by its end flange.Combustion mixture sprays in the combustion chamber 17 by the fire hole on the burner 11, lights the spark heat sustained combustion that the back relies on burning to produce that disappears after running into the spark that spark head 6 produces.Burner 11 is connected on the body of heater 10 by screw 18.Burner 11 has different shape, is illustrated as wherein a kind of.Combustion chamber 17 is the fuel gas mixture combustion space that body of heater 10 inwalls and cover plate 12 lower surfaces surround.Combustion mixture is 17 internal combustion in the combustion chamber, heating cover plate 12, and then the food of heating above the cover plate, kitchen range etc. boil.Cover plate 12 is connected by screw 8 with body of heater 10, and there is seal washer 9 centre, seals.When the combustion mixture pressure in the combustion chamber 17 is higher than the setting pressure of air bleeding valve 14, push exhaust plug 27 open, discharge by blast pipe 31.Air bleeding valve 14 flange by its end links to each other with flange on the body of heater 10 with bolt 13.Air bleeding valve 14 is by adjusting the decrement of screw 29 regulating springs 28, thereby adjusts the setting pressure of air bleeding valve 14, adjusts 30 of screw 29 and exhaust valves by being threaded.One end of spring 28 is against adjusts screw 29 end faces, and the other end contacts with exhaust plug 27, and the conical surface of exhaust plug 27 is contacted well with the conical surface on exhaust valve 30 air inlets, when assurance air bleeding valve 14 is closed, better seal is arranged.Intake valve 22, body of heater 10 and air bleeding valve 14 all are fixed together by support member such as gripper shoe 15 and housing 19, and gripper shoe 15 is connected with housing 19 by screw 26.

When the utility model was installed, its blast pipe 31 was received outdoor by pipeline, in order to avoid the exhaust emission indoor environment of discharging.The waste gas that blast pipe 31 is discharged is used for the air in the heating air inlet pipe 31 earlier, discharges outdoorly then, further improves the thermal efficiency of this internal combustion kitchen range.

The utility model body of heater 10 is double-deck hollow structure, forms body of heater inner chamber 16 between inside and outside wall, can reduce conduction, convection current and the radiation of heat in the combustion chamber 17 on the one hand and scatter and disappear, and can make the warm water in this cavity drink or bathe usefulness on the other hand.Double dot dash line partly is the maximum position of rotation of cam 2, connecting rod 34 and intake valve 22 handles in the accompanying drawing 3.

Claims (2)

1. lampblack absorber and gas oven integrated type internal combustion oven is characterized in that the rotating shaft of knob and cam are connected to rotate synchronously; Microswitch is fixed on the housing; Gas collector is collected air, steam, oil smoke gaseous mixture above cover plate; Be connected, be threaded by welding, riveted joint, flange between gas collector and the air inlet pipe or make one; The other end of air inlet pipe is received the inlet of intake valve; Cam and connecting rod are hinged by pin, and the handle of connecting rod and intake valve is hinged by pin, the outlet of admission line connection intake valve and the air intake of body of heater, with intake valve by being threaded, being connected by flange with body of heater; The spark head is screwed on body of heater by its upper flange, or fixes by interference fit; Advancing Gas Pipe uses screw to be connected with the igniter assembly by the flange of its end, fuel gas pipeline connects gas valve outlet and admission line, burner is screwed on body of heater by its end flange, its inner chamber communicates with the inlet channel of body of heater, on the radial pipe of burner fine and closely woven fire hole is arranged, the combustion chamber is the fuel gas mixture combustion space that inboard wall of furnace body and cover plate lower surface surround; Cover plate is connected by screw with body of heater, and there is seal washer the centre, and air bleeding valve is connected with bolt by flange with body of heater, or with welding or being threaded; The inlet of air bleeding valve communicates with the combustion chamber, the cone match at the conical surface of exhaust plug and exhaust valve upper inlet place, spring one end is against on the exhaust plug, and the other end is against to be adjusted on the screw, exhaust plug, spring, adjustment screw axis overlap, and adjust between screw and exhaust valve by being threaded; Intake valve, body of heater and air bleeding valve all are fixed together by gripper shoe and housing; Blast pipe surrounds the part of air inlet pipe, and blast pipe is received outdoor by pipeline.

2. lampblack absorber according to claim 1 and gas oven integrated type internal combustion oven is characterized in that body of heater is double-deck hollow structure, form the body of heater inner chamber between inside and outside wall, housings support and protection main part, and its top panel is lower than cover plate.

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