CN201462991U

CN201462991U - Self-controlled gas furnace

Info

Publication number: CN201462991U
Application number: CN2009200592992U
Authority: CN
Inventors: 徐雄斌
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-26
Filing date: 2009-06-26
Publication date: 2010-05-12
Anticipated expiration: 2019-06-26

Abstract

The utility model relates to a self-controlled gas furnace which comprises a furnace case provided with a furnace platform, wherein a hearth is arranged in the furnace platform, a furnace core is arranged in the hearth, an infrared emitter and an infrared receiver are arranged at two ends on the furnace platform near the hearth, a furnace end is arranged in the hearth, an ignition needle and an igniter electrically connected with the ignition needle are arranged on the furnace end, a probe detection circuit is also arranged near the furnace end, a blower and a gas inlet device are further arranged on the furnace case, the furnace core comprises a bottom wall and an annular lateral wall enclosed from the circumference of the bottom wall, a plurality of ventilation holes which are communicated with the blower are arranged on the inner wall of the lateral wall, and the ventilation holes have different sizes, shapes, directions and arrangement densities. The utility model has the advantages of automatic ignition, more sufficient combustion, energy saving, environment protection, more safety and vacant combustion prevention.

Description

The automatic control gas furnace

Technical field

The utility model relates to a kind of burner, is specifically related to a kind of catering trade automatic control gas furnace.

Background technology

At present, no matter be in daily family kitchen, still in industrial kitchen such as large-scale dining room, dining room, liquid and gaseous fuel remain the main fuel of culinary art.

Yet such as for the gas furnace, because that the structural reason of gas furnace own causes burning is insufficient, the flame during burning usually is flourishing or yellow fire for existing burner, and this causes energy waste.For remedying this defective, most of gas furnaces particularly catering trade have increased air blast with stove in its structure, so that carry out oxygenation, just in the burner madial wall perforate of gas furnace, fully contact with oxygen when allowing fuel combustion, thereby realize fully burning, reduce energy loss.

But in practice, because the problem of existing gas furnace structure itself, very difficult realization is burnt more fully, and this mainly is because the problem of perforate causes.Particularly, if perforate is too much, excessive, then wind is too big, will cause cooling effect, reduces fuel factor; Otherwise, if perforate quantity is few and area perforate is little, then cause burning insufficient again, its thermal efficiency does not still reach optimization.

In addition, existing gas furnace adopts the manual ignition mode.This makes troubles for busy cook, because cook's manual ignition continually when handling food.As a kind of makeshift, more existing gas furnaces install another fuel smaller branch pipe additional, allow combustion gas furnace superintendent combustion pattern as kindling material, but do so very not energy-conservation, also be unfavorable for environmental protection.

Thereby, be necessary to provide a kind of gas furnace of improvement, so that overcome the shortcoming and deficiency of prior art.

The utility model content

The purpose of this utility model provides a kind of automatic control gas furnace, and it can realize that automatic igniting, burning are more abundant, and energy-conserving and environment-protective are safer, and can prevent the empty phenomenon of burning.

To achieve these goals, the utility model provides a kind of automatic control gas furnace, comprise the stove casing, described stove casing has table, establish burner hearth in the table, be mounted with combustion chamber in the described burner hearth, be respectively arranged with infrared transmitter at two ends on the described table and be used for the infrared remote receiver of selectivity reception from the infrared transmitter signal near burner hearth, be provided with burner in the described burner hearth, the igniter that described burner next door is provided with the igniting pin and electrically connects with the igniting pin, the probe testing circuit also is set near the described burner, further be provided with air blast and the inlet duct that is used for combustion chamber is provided combustion air on the described stove casing, described combustion chamber comprises that diapire reaches from the diapire periphery ring around the annular sidewall that forms, offer the air vent that a plurality of and described air blast is communicated with on the inwall of described sidewall, described air vent has different sizes, shape, towards reaching arranging density.

Advantage of the present utility model is: because on the combustion chamber inwall, offer a plurality of sizes, shape and arrangement, towards different air vent, air quantity when the existence of these air vents causes air blast increases, and evenly, therefore impel burning more abundant, can not form swirl flame again; Infrared transmitter and infrared remote receiver make ignition signal more stable, more accurate, and anti-interference is stronger, and can false positive signal; Whether the probe testing circuit can detect has fuel to leak and combustion chamber phenomenon such as accident extinguishing whether, thereby increase the security of products energy, also can detect whether accident extinguishing of combustion chamber, whether flame-out etc. because there not being fuel, thereby not only increased security, also improved operating efficiency.

Below in conjunction with accompanying drawing, describe the utility model in detail by preferred embodiment.

Description of drawings

Fig. 1 is the perspective view of the utility model automatic control gas furnace.

Fig. 2 is the combustion chamber internal structure of the automatic control gas furnace of Fig. 1 displaying.

The specific embodiment

With reference now to accompanying drawing, the utility model is described.

Shown in Fig. 1-2, the automatic control gas furnace 100 that the utility model provides comprises stove casing 102, and described stove casing 102 has table 103, offers burner hearth 104 in the table 103, such as the burner hearth 104 of various spatial forms such as cylindrical or circular platform.Be mounted with combustion chamber 105 in the burner hearth 104.

In addition, be respectively arranged with infrared transmitter 106 at two ends on the described table 103 and be used for the infrared remote receiver 107 of selectivity reception from infrared transmitter 106 signals near burner hearth 104, when pan places on the table, because infrared remote receiver 107 ends that stop of pan can't receive the infrared signal of infrared transmitter 106, then be attached thereto the automatic electric ignition circuit igniting that connects, simultaneously, magnetic valve 118 on the air inlet pipe 114 is opened, can realize automatic ignition operation, after pan is taken away, the signal of infrared transmitter 106 emissions receives via infrared remote receiver 107, then form normally-closed circuit, magnetic valve 118 on the control air inlet pipe 114 cuts out, and burning is finished, thereby realizes preventing dry combustion.Be provided with burner 108 in the described burner hearth 104, described burner 108 next doors are provided with igniting pin 109 and electrically connect the igniter 110 of getting up with igniting pin 109 by lead 201; In addition, probe testing circuit 111 also is set near the described burner 108.

Further be provided with on the described stove casing 102 by the combustion chamber 105 in the burner hearth 104 being provided the air blast 112 and the inlet duct of combustion air such as passage 113.Described inlet duct comprises the air inlet pipe 114 that is communicated with described burner 108, is arranged on the gas source switch 117 that is used to control the source of the gas break-make on the air inlet pipe 114, the urgent recovery switches 116 that are arranged on the magnetic valve 118 on the air inlet pipe 114 and walk abreast and be connected with described magnetic valve 118.

In addition, on the described stove casing 102 control box 115 is installed, described infrared transmitter 106, infrared remote receiver 107, igniter 110, probe testing circuit 111 and inlet duct all electrically connect with control box 115, and are controlled the control of box 115.

Described combustion chamber 105 comprises that diapire 119 reaches from diapire 119 periphery rings around the annular sidewall 120 that forms.Offer the air vent 121 that a plurality of and described air blast 112 is communicated with on the inwall of described sidewall 120.These air vents 121 can have different sizes, shape, towards reaching arranging density.

Described igniting pin 109 can be single needle, crosspointer, three pins or spininess with the quantity of probe testing circuit 111.Probe testing circuit 111 is taked flame detection electron ion principle technology, thereby control magnetic valve 118 opens or closes, and then realizes that fully flame-out protection device controls automatically.

Simply introduce the sub-principle technology of flame ionization below.Mewillan in 1958 and Harley etc. succeed in developing flame ionization ditector (FID) respectively, it is typical destructiveness, mass flow rate sensitive detector, be that the flame that generates with hydrogen and air burning is the energy, when organic compound enters flame with hydrogen and oxygen combustion, at high temperature produce chemi-ionization, ionization produces the ion than the high several magnitude of base flow, under the orientation of high voltage electric field, formation ion stream, faint ion stream (10-12～10-8A) amplify through high resistant (106～1011 Ω), become the signal of telecommunication that is directly proportional with the organic compound amount that enters flame, therefore can carry out quantitative analysis to organic matter according to the size of signal.

Hydrogen flame detector is owing to simple in structure, excellent performance, reliable and stable, easy to operate, so through 40 years of development, the FID structure of today does not still have substantial variation.

Its main feature is that nearly all volatile organic compound is all had response, relative response to all footpath compounds (carbon number 〉=3) is almost equal, and is also almost equal to the relative response that contains the homologue (carbon number 〉=3) in the heteroatomic hydro carbons organic matter.This gives quantitatively bringing great convenience of compound, and has a highly sensitive (10-13～10-10g/s), little (the 10-14～10-13A) of base flow, the range of linearity wide (106～107), dead volume little (≤1 μ L), response fast (1ms), can with the direct coupling of capillary column, to gas flow rate, pressure and very degree change advantages such as insensitive, so become most widely used gas chromatography detector.

Preferably, described probe testing circuit 111 is heat energy probe control circuit.

Air vent 121 on described combustion chamber 105 inwalls can promote burning.Facts have proved that combustion flame can reach is light blue, pure blue or hyacinthine, promotes 1-2 grade than conventional oven kitchen range sufficient combustion degree.In addition, described infrared transmitter 106, infrared remote receiver 107 make ignition signal more stable, and more accurate, anti-interference is stronger, and can false positive signal.

Whether whether described probe testing circuit 111 can detect has fuel to leak, have unexpected flame-out phenomenon to take place, and finally increases the product safety performance; Whether can detect simultaneously accident extinguishing, whether not stop working, both increase security, also improve operating efficiency because there being fuel.

Above disclosed only is preferred embodiment of the present utility model, can not limit the interest field of the utility model certainly with this, and therefore the equivalent variations of being done according to the utility model claim still belongs to the scope that the utility model is contained.

Claims

1. automatic control gas furnace, it is characterized in that comprising the stove casing, has table on the described stove casing, establish burner hearth in the table, be mounted with combustion chamber in the described burner hearth, on the described table near the two ends of burner hearth, be respectively arranged with infrared transmitter and be used for the infrared remote receiver of selectivity reception from the infrared transmitter signal, be provided with burner in the described burner hearth, the igniter that described burner next door is provided with the igniting pin and electrically connects with the igniting pin, the probe testing circuit also is set near the described burner, further be provided with air blast and the inlet duct that is used for combustion chamber is provided combustion air on the described stove casing, described combustion chamber comprises diapire and from the annular sidewall of diapire periphery ring around formation, offers the air vent that a plurality of and described air blast is communicated with on the inwall of described sidewall that described air vent has different sizes, shape, towards reaching arranging density.

2. automatic control gas furnace according to claim 1 is characterized in that: described inlet duct comprises the air inlet pipe that is communicated with described burner, is arranged on the gas source switch that is used to control the source of the gas break-make on the air inlet pipe, the urgent recovery switch that is arranged on the magnetic valve on the air inlet pipe and walks abreast and be connected with described magnetic valve.

3. automatic control gas furnace according to claim 2 is characterized in that: on the described stove casing control box is installed, described infrared transmitter, infrared remote receiver, igniter, probe testing circuit and inlet duct all electrically connect with control box.

4. automatic control gas furnace according to claim 3 is characterized in that: described igniting pin is single needle, crosspointer, three pins or spininess with the probe testing circuit.

5. automatic control gas furnace according to claim 4 is characterized in that: described probe testing circuit is a heat energy probe control circuit.