CN208536382U - Gas hot water appliance with improved ignition position - Google Patents

Abstract

The utility model provides a kind of with the gas and hot water equipment for improving ignition location comprising the burner of shell and receiving inside the shell.Burner includes several fire row pieces being arranged side by side along longitudinally, and each fire row piece extends along the width direction perpendicular to longitudinally, and airflow channel is arranged inside, and airflow channel has gas outlet.The gas outlet of the airflow channel of several fire row pieces is gathered to form along the outlet region that longitudinally extends.The equipment further includes electrode assembly, and electrode assembly includes electrode tip holder and the ignitor and flame detection electrode that are mounted on electrode tip holder, and wherein ignitor is located at the top in the outlet region of burner.Since ignitor is located at the top in gas outlet region, though then enter gas quantity is less or the pressure of combustion gas is lower, ignitor also can smooth ignition, so that the success rate of igniting can be improved.

Description

With the gas and hot water equipment for improving ignition location

Technical field

The utility model belongs to domestic gas apparatus field, and in particular to a kind of with the gas and hot water for improving ignition location Equipment.

Background technique

Gas and hot water equipment generally includes gas heater and gas fired-boiler.Wherein, combustion gas is provided in gas heater Distribution system, burner, heat exchanger and pipe-line system.Combustion gas distribution system is for combustion needed for supplied burner burning Gas.Burner is commonly equipped with electrode assembly, which has a pair of of ignitor and a flame detection electrode.Point Thermoelectricity pole is for lighting combustion gas so that burner combustion, flame detection electrode can detect the combustion state of flame the moment.Once not Detecting that the combustion state of flame or flame does not reach requirement, flame detection electrode will send a signal to device controller, from And device controller can cut off the supply of combustion gas, the danger caused to avoid gas leakage.

Electrode assembly usually passes through the side that electrode tip holder is mounted on burner, and then ignitor and flame detection electrode prolong It stretches positioned at the top of burner, but has no specific position requirement.When gas supply is less or gaseous-pressure is lower, ignitor Possibly can not after successful ignition or igniting the flame that generates it is lower, so that device controller may turn off the supply of combustion gas, in turn Reduce the success rates such as igniting.

In view of this, it is necessary to which ignition location is improved to solve the above problems.

Utility model content

The purpose of this utility model is to provide a kind of gas and hot water equipment, improve equipment by improving ignition location Ignition success rate.

To realize above-mentioned purpose of utility model, the utility model provides a kind of gas and hot water equipment comprising shell and receipts Hold burner inside the shell.Burner includes several fire row pieces being arranged side by side along longitudinally, and each fire row piece is along vertical Extend in the width direction of longitudinally, airflow channel is arranged inside, airflow channel has gas outlet.The gas of several fire row pieces The gas outlet of circulation road is gathered to form along the outlet region that longitudinally extends.The equipment further includes electrode assembly, electricity Pole component includes electrode tip holder and the ignitor and flame detection electrode that are mounted on electrode tip holder, and wherein ignitor is located at combustion The top in the outlet region of burner.

Flame detection electrode is similarly positioned in the upper of the outlet region of burner as a further improvement of the utility model, Side.

Airflow channel there are two being arranged in each fire row piece as a further improvement of the utility model, and two air-flows The gas outlet interval in channel is arranged, and above-mentioned gas outlet is arranged close to the top of burner, thus at the top of burner along lengthwise Side is upwardly formed two outlet regions being spaced apart from each other.

As a further improvement of the utility model, airflow channel include along fire row piece vertical direction from the bottom to top successively Air inlet section, gas mixing section and the air outlet section of distribution, above-mentioned gas outlet are the top for being formed in air outlet section.

The air outlet section of airflow channel is substantially v-shaped as a further improvement of the utility model, the air inlet section of airflow channel Substantially inverted V shaped setting.

The electrode tip holder of electrode assembly is mounted on longitudinal one end of burner as a further improvement of the utility model,.

The electrode tip holder of electrode assembly is mounted on the one of the width direction of burner as a further improvement of the utility model, End.

Burner further includes the water pipe across several fire row pieces as a further improvement of the utility model,.

Each fire row piece is equipped with a pair of of through-hole that water supplying pipe passes through as a further improvement of the utility model, this is to logical Hole close to fire row piece top and close on the both ends on width direction be arranged.

Compared with prior art, the utility model has the beneficial effects that since ignitor is located at gas outlet region Top, though then enter gas quantity is less or the pressure of combustion gas is lower, ignitor also can smooth ignition, to can be improved a little The success rate of fire.In addition, flame detection electrode is similarly positioned in the top in the outlet region of burner, by this set, even if Burned flame is lower, and flame detection electrode also can be detected smoothly, to avoid the air valve of control gas supply inappropriate Ground is closed.

Detailed description of the invention

In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, be described below in related reality It is only some embodiments of the utility model with novel attached drawing, for those of ordinary skill in the art, is not paying Under the premise of creative work, it is also possible to obtain other drawings based on these drawings.

Fig. 1 is the floor map of the gas and hot water equipment of the utility model in a specific embodiment, part of Cover board is removed to show internal structure；

The burner and the stereoscopic schematic diagram after electrode assembly assembling that Fig. 2 is gas and hot water equipment shown in FIG. 1；

Fig. 3 is the schematic cross-sectional view of burner shown in Fig. 2；

Fig. 4 is similar with Fig. 2, and which show the burner in another specific embodiment and the solids after electrode assembly assembling Schematic diagram.

Specific embodiment

The utility model is described in detail below with reference to each embodiment shown in the drawings.But these embodiments It is not intended to limit the utility model, structure, method or the function that those skilled in the art are made according to these embodiments Transformation on energy is all contained in the protection scope of the utility model.

Gas and hot water equipment is such as natural gas, town gas, liquefied gas, biogas using fuel gas as fuel, passes through combustion Burn fuel gas and provide heat to meet the life requirement of user, for example, provide domestic hot-water gas heater or can be same When provide domestic hot-water and the gas fired-boiler of heating demands etc..Next to the combustion gas of the utility model by taking gas heater as an example Hot water facility is illustrated.

As shown in Figure 1, gas heater 100 includes shell 40, receiving is mixed for combustion gas and air in the shell The burner 10 of object, electrode assembly 20, heat exchanger 30 and fume extractor that setting is associated with burner 10 etc..Combustion gas is logical Cross air valve control enter together with air burner 10, combustion gas and air be sufficiently mixed in burner 10 after, in burner Top be ignited.The heat that the burning of burner 10 generates is carried out by heat exchanger 30, and with by the water pipe of heat exchanger Heat exchange, the hot water after heating are discharged for using by outlet pipe.

Referring to shown in Fig. 2 and Fig. 3, burner 10 includes several fire row pieces 11 being arranged side by side along longitudinally for cooperation.Often Airflow channel 111 is arranged inside along the width direction extension perpendicular to longitudinally in one fire row piece 11.In present embodiment, Airflow channel 111 include the air inlet section 1111 being sequentially distributed from the bottom to top along the vertical direction of fire row piece, gas mixing section 1112, And air outlet section 1113.Wherein, the air outlet section 1113 of airflow channel is substantially v-shaped, and the air inlet section 1111 of airflow channel is substantially in Inverted V-shaped.By this set, airflow channel 111 is made to constitute the import of a Venturi tube, combustion gas and air from air inlet section 1111 Into being then sufficiently mixed in gas mixing section 1112, the mixture of subsequent mixed combustion gas and air is through air outlet section 1113 It is spouting.The top of air outlet section 1113 is formed with gas outlet 1114.The top of fire row piece 11 is equipped with the burning zone 113 of metal, Several burning fire holes are provided on burning zone.The burning zone 113 setting is closed in the gas outlet 1114 of airflow channel 111.Several fire The gas outlet 1114 of the airflow channel of screening 11 is gathered to form along the outlet region that longitudinally extends.Present embodiment In, there are two airflow channels 111 for setting in each fire row piece 11, and the gas outlet 1114 of two airflow channels is spaced setting, from And two outlet regions being spaced apart from each other are formed along longitudinally at the top of burner 10.

As shown in Fig. 2, electrode assembly 20 includes electrode tip holder 21 and a pair of of the ignitor 22 being mounted on electrode tip holder 21 With flame detection electrode 23, wherein ignitor 22 is located at the top in the outlet region of burner.Since ignitor 22 is located at The top in gas outlet region, though then enter gas quantity is less or the pressure of combustion gas is lower, ignitor 22 also can be smooth Igniting, so that the success rate of igniting can be improved.Preferably, flame detection electrode 23 is similarly positioned in the upper of the outlet region of burner Side.By this set, even if burned flame is lower, flame detection electrode 23 also can be detected smoothly, to avoid air valve Inadequately closed.

As shown in Fig. 2, the electrode tip holder 21 of electrode assembly 20 is mounted on longitudinal one end of burner 10, ignitor 22 and fire Flame detecting electrode 23 upwardly extends the top that simultaneously bending is located at one of outlet region of burner.Cooperation is referring to Fig. 3 institute Show, in the present embodiment, each fire row piece 11 is at the top of it and the both ends closed on width direction are additionally provided with a pair Through-hole 112, so that a water pipe 12 passes through.Water pipe 12 sequentially passes through each fire row piece 11 in one end close to burner width direction, And each fire row piece is sequentially passed through in the other end after turning back, thus, flowing water facilitates cooling combustion flame in water pipe 12, into And the discharge of nitrogen oxides is reduced, to reduce the pollution to environment.

Referring to another embodiment shown in Fig. 4, the main distinction of the embodiment and above embodiment is, electrode The electrode tip holder 61 of component 60 is mounted on the one end in the width direction of burner 10, and ignitor 62 and flame detection electrode 63 are equal Upwardly extend the top that simultaneously bending is located at one of outlet region of burner.To even if the gas quantity of supplied burner Less or combustion gas pressure is lower, and ignitor 62 also can smooth ignition；In addition, even if burned flame is lower, fire defector Electrode 63 also can be detected smoothly, so that air valve be avoided inadequately to be closed.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art The other embodiments being understood that.

Claims (9)

1. A gas-fired hot water device with improved ignition position, characterized in that: the device comprises a casing and a burner accommodated in the casing; the burner comprises a plurality of fire-arranging sheets arranged side by side along the longitudinal direction, and each fire The exhaust fins extend along the transverse and width direction perpendicular to the longitudinal direction, and an air flow channel is arranged therein, and the airflow channel has an air outlet; the air outlets of the airflow channels of the plurality of fire exhaust fins are gathered together to form an air outlet extending along the longitudinal direction. area; the apparatus further includes an electrode assembly including an electrode holder and an ignition electrode and a flame detection electrode mounted on the electrode holder, wherein the ignition electrode is located above the gas outlet area of the burner. 2 . The gas-fired water heater with improved ignition position according to claim 1 , wherein the flame detection electrode is also located above the gas outlet area of the burner. 3 . 3 . The gas-fired hot water equipment with improved ignition position according to claim 1 , wherein two air flow passages are arranged in each fire exhaust sheet, and the air outlets of the two air passages are arranged at intervals, and the air outlets are arranged at intervals. 4 . It is arranged close to the top of the burner, thereby forming two gas outlet areas spaced from each other in the longitudinal direction of the top of the burner. 4. The gas-fired hot water equipment with improved ignition position according to claim 1 or 3, characterized in that: the air flow channel comprises an air intake section and a gas mixing section sequentially distributed from bottom to top along the vertical direction of the fire exhaust fins , and an air outlet section, the air outlet is formed at the top of the air outlet section. 5 . The gas-fired water heater with improved ignition position according to claim 4 , wherein the gas outlet section of the airflow channel is approximately V-shaped, and the intake section of the airflow channel is approximately arranged in an inverted V-shape. 6 . 6 . The gas-fired water heater with improved ignition position according to claim 1 , wherein the electrode seat of the electrode assembly is installed at one longitudinal end of the burner. 7 . 7 . The gas-fired hot water equipment with improved ignition position according to claim 1 , wherein the electrode seat of the electrode assembly is installed at one end of the burner in the transverse width direction. 8 . 8 . The gas-fired water heater with improved ignition position according to claim 1 , wherein the burner further comprises a water pipe passing through the plurality of fire discharge pieces. 9 . 9 . The gas-fired water heater with improved ignition position according to claim 8 , wherein each fire-discharge sheet is provided with a pair of through holes for the water pipe to pass through, and the pair of through-holes are close to the fire-discharge sheet. 10 . at the top and adjacent to both ends in the width direction.