CN203595253U - Heat exchanger and gas water heater - Google Patents

Heat exchanger and gas water heater Download PDF

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Publication number
CN203595253U
CN203595253U CN201320717778.5U CN201320717778U CN203595253U CN 203595253 U CN203595253 U CN 203595253U CN 201320717778 U CN201320717778 U CN 201320717778U CN 203595253 U CN203595253 U CN 203595253U
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China
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heat
water
heat exchanger
gas
end cap
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CN201320717778.5U
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Chinese (zh)
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李林
刘家渝
刘家燕
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Individual
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Abstract

The utility model discloses a gas water heater and relates to a heat exchanger and the gas water heater comprising the heat exchanger. The heat exchanger is composed of a plurality of heat exchange sheets which are arranged in parallel and an end cap. The gas water heater comprises a water heater shell, the heat exchanger, a fire plate, an igniter, a cold water pipe and a hot water pipe. The heat exchanger is installed in a condensation sleeve. Compared with the prior art, the heat exchanger is higher in heat exchange efficiency, and the gas water heater is high in energy utilization rate and low in heat loss.

Description

Heat exchanger and gas heater
Technical field
The utility model belongs to household appliance technical field, relates to gas heater and parts thereof, is specifically related to a kind of heat exchanger, and a kind of Multifunction energy saving gas water heater.
Background technology
Water heater is to make within a certain period of time cold water temperature raise to become a kind of device of hot water, comprises the kinds such as electric heater, gas heater, solar water heater, air-source water heater.
Existing gas heater is to adopt single hose heat exchanger.Owing to being subject to the impact of heating surface, cause heat-energy losses serious, combustion gas utilization rate is not high.Easily cause simultaneously water temperature unstable, also easily burn out water heater simultaneously.
Forced-ventilated gas water heater all needs Power supply, or external power supply, or battery is installed, once have a power failure or running down of battery, water heater just can not normally use, and affects people's life.
Transmission gas heater adopts gravity flow fire row combustion system, and heating-up temperature is 1050 ℃ of left and right, and heat loss is larger, and combustion gas utilization rate is low.
Conventional water heaters can not reach instant-heating, when use, first to put reduce phlegm and internal heat hydrophone and water heater and could normally use after the cold water in the water pipe between tap, the one, use very inconvenient, the 2nd, water resource is by serious waste.
Summary of the invention
Given this, the utility model object is to provide a kind of heat exchange utilization rate high heat exchanger, comprises in addition the water heater of this heat exchanger, and this water heater capacity usage ratio is high.
For solving above technical problem, the technical scheme that the utility model provides is, a kind of heat exchanger is provided, comprise polylith heat exchanging fin, heat exchanging fin comprises the many heat-exchange tubes that are parallel to each other, the connecting plate that adjacent two heat-exchange tubes arrange by polylith equi-spaced apart is fixedly connected with, and between adjacent two connecting plates, has through hole; On exchanging tube, be provided with fin; Polylith heat exchanging fin horizontal stacking formula is installed, and connecting heat-exchange tube in whole or in part with end cap respectively in heat exchanging fin two ends, is respectively arranged with cold water inlet and hot water outlet in two end cap.
Further, described end cap is made up of outer end cap and internal end cover, has been horizontally disposed with multiple connection water channels on described outer end cap, on an outer end cap, is provided with cold water inlet, on another outer end cap, is provided with hot water outlet; In internal end cover, be provided with multilayer, every layer of multiple heat-exchange tube installing hole, internal end cover fits tightly on the notch of outer end cap, and connection water channel is inserted through heat-exchange tube installing hole in the termination of heat-exchange tube.
Preferably, described heat-exchange tube installing hole is longitudinally crisscross arranged.
The utility model also provides a kind of gas heater that comprises above-mentioned heat exchanger, comprise outer cover of water heater, fiery dish, igniter, cold water pipe and hot-water line, cold water enters from cold water pipe, and flow out from hot-water line after heating, fire dish lower end is provided with air inlet pipe, also comprise a condenser jacket, this condenser jacket comprises two side plates that are parallel to each other and the top board that is connected biside plate, is provided with steam vent on top board; Described heat exchanger is arranged in condenser jacket, and heat exchanging fin is parallel to condenser jacket top board, and end cap is perpendicular to condenser jacket side plate; Fire dish is arranged on heat exchanger below.
Further, described condenser jacket hollow, is provided with a water inlet and a delivery port on condenser jacket, and delivery port is connected with cold water inlet pipeline.
Further, described fire dish is arranged in the lower cover of combustion chamber, and combustion chamber lower cover comprises base plate and the biside plate being parallel to each other, and combustion chamber lower cover and condenser jacket enclose the combustion chamber that forms upper opening, on the lower cover base plate of combustion chamber, be provided with air inlet and air inlet sleeve pipe, air inlet pipe is plugged in air inlet sleeve pipe.
Preferably, described air inlet is provided with blower fan.
Preferably, on described air inlet sleeve pipe, gas mixing valve is also installed, this gas mixing valve is triple valve, and this triple valve also connects Gas Pipe and air hose.
Further, the below of described fire dish is provided with elevating mechanism, and elevating mechanism comprises:
Lifting guide shaft: its top is fixedly connected on fiery tray bottom, vertical direction setting;
Lifting arm: comprise successively guide shaft seat, lifter rack and guide rod three parts from top to bottom, guide shaft seat is fixedly connected with lifting guide shaft;
Lifter rack seat: outer cover of water heater is fixed in one end, the other end is provided with the guide rod guide hole being slidably matched with guide rod;
Gear: engage with lifter rack;
Elevating control motor: its power output shaft is coaxially connected with gear.
Preferably, described lifter rack seat is fixedly mounted on outer cover of water heater by lifter rack seat installing plate.
Further, differential pressure power generation machine is installed on described cold water pipe, this differential pressure power generation machine is electrically connected with each control motor, igniter in water heater; Or, battery is also installed in water heater, differential pressure power generation machine is connected with storage battery, and battery is electrically connected with each control motor, igniter in water heater.
Further, thermo-electric generation sheet is also installed in water heater, this thermo-electric generation sheet is electrically connected with each control motor, igniter in water heater; Or, battery is also installed in water heater, thermo-electric generation sheet is connected with storage battery, and battery is electrically connected with each control motor, igniter in water heater.
Further, on described hot-water line, exhaust-valve is installed, this exhaust-valve is triple valve, and this triple valve is also connected with outlet pipe and tube connector, and tube connector connects air pump again, and exhaust-valve is by emptying Electric Machine Control.
Further, flow control valve is also installed on described cold water pipe, flow control valve is connected with flow-control motor.
Preferably, described fire dish comprises the dish of getting angry, premix case and premix cage, and the disk cover of getting angry is located on premix case, and premix cage is arranged on gets angry between dish and premix case, get angry dish and premix cage is provided with mixed gas head installing hole is installed, and mixed gas head is arranged on and mixes in gas head installing hole; Premix case bottom is also provided with air inlet pipe.
Further, described mixed gas head comprises a blender and is arranged on the embedded duration and degree of heating in blender; Described blender is peviform, its bottom opening, and bore diminishes from top to bottom gradually; Described embedded duration and degree of heating comprises the disk body section on top and the trunk portion of bottom, and disk body section is coaxial with trunk portion; Between embedded duration and degree of heating and blender, form an annular catalyst chamber; Embedded duration and degree of heating axle center is provided with core hole and apical pore, and the trunk portion of embedded duration and degree of heating is provided with side through hole, and side through hole is communicated with core hole and catalyst chamber; The side of the disk body section of embedded duration and degree of heating is evenly provided with multiple side openings.
Compared with prior art, a technical scheme tool in technique scheme has the following advantages: the utility model has been designed a kind of novel heat exchanging fin, this heat exchanging fin can adopt non-ferrous metal extrusion modling, and this heat exchanging fin provides water pipe and air flue, novel structure.
On heat exchanging fin, set up fin, can improve heat exchange area, improve heat exchanger effectiveness.
The utility model has designed a kind of novel heat exchanger, i.e. multitube matrix form heat exchanger utilizes the multitube distributing principle of being heated, and realizes Fast Heating, stable heating.Compared with entering singly to go out heat exchange form with traditional Large Diameter Pipeline list, the utility model heat exchanger has the advantages such as heating surface area is large, firing rate is fast, leaving water temperature is stable.The utility model adopts the heat exchanging fin of the stacked setting of multi-disc, and heat-exchange tube series connection is arranged, and has extended the path of hot gas in heat exchanger, extended heat exchanger time, meanwhile, water at least needs through every one deck heat exchanging fin once, be repeated heating, firing rate is faster.
The utility model provides a kind of concrete basic mode that heat exchanging fin is connected, and connects levels heat-exchange tube by connection water channel, and the connection water channel of heat exchanger both sides is arranged alternately, and makes water necessary through every one deck heat-exchange tube in heat exchanger.Certainly, can also improve this, for example, by each root heat-exchange tube series connection, make water necessary through each root heat-exchange tube in heat exchanger.By that analogy.The advantage of heat exchanging fin series connection is, water carried out mixing with this after entering every one deck heat exchanging fin, flowed into lower one deck heat exchanging fin after mixing again.Here said lower one deck is said according to water (flow) direction, is not the position relation of heat exchanging fin.Internal end cover fits tightly on the notch of outer end cap, is that connection water channel forms a closely knit water channel, and insert after connection water channel through heat-exchange tube installing hole the termination of heat-exchange tube, and water can only flow into or flow out from heat-exchange tube.
Heat-exchange tube installing hole is longitudinally crisscross arranged, can makes the through hole on heat exchanging fin staggered, namely flue is extended, reduce the through-rate of hot gas simultaneously, totally increased heat exchanger time.
A kind of gas heater that the utility model provides, heat exchanger is arranged in condenser jacket, makes in the space of heat exchanging fin in a four sides sealing, and hot gas only can be from below to rising, prevents that it from spreading to surrounding, has improved the utilization rate of hot gas.Hot gas is in the process rising, and continuous and heat exchanging fin carries out heat exchange.
Condenser jacket hollow is arranged, be set to water leg by condenser jacket, allow condenser jacket absorb the heat of both sides, heat exchanger front and back.First water enter condenser, after tentatively being heated, enters heat exchanger again, and heat is fully utilized, and has reduced heat loss.
Adopt independently combustion chamber, be conducive to guarantee combustion gas normal combustion, and limited heat and spread to surrounding.Also provide condition for controlling fuel gas buring simultaneously.
On air inlet sleeve pipe, gas mixing valve is installed, can be made combustion gas mix by preset ratio with oxygen, be conducive to improve the combustion rate of combustion gas.
Air inlet at combustion chamber lower cover lower cover is installed blower fan, and blower fan enters combustion chamber by air by air inlet, for combustion chamber provides sufficient oxygen, makes fuel gas buring abundant.Meanwhile, under the effect of blower fan, form air-flow from bottom to top in water heater, under the effect of air-flow, the hot gas that fuel gas buring produces rises gradually, guarantees that hot gas, smoothly through over-heat-exchanger, improves heat exchange area, thereby guarantees heat exchange effect.
Below fire dish, elevating mechanism is installed, this elevating mechanism is for controlling the position of fire dish in the vertical direction, more particularly control the distance between fire dish and heat exchanger, more direct object is the distance of adjusting between flame and heat exchanger, so that Btu utilization is more abundant, can also save combustion gas simultaneously.
Utilize the generating power by water current in water heater, the each power consumption parts that can be in water heater provide electric energy.For example, a 12V, 2A differential pressure power generation machine are installed, can be met user demand.Can also use battery by for subsequent use rich power storage simultaneously.For improving efficiency of energy utilization, can also utilize the generating of semiconductor temperature differential generating sheet, for example, the one side of semiconductor temperature difference being sent out to spot film is sticked at combustion chamber lower cover sidewall, utilizes the temperature difference generating of combustion chamber lower cover and outside air.Differential pressure power generation machine and semiconductor temperature differential generating sheet all belong to ripe technology, and the utility model is only that it is applied in water heater to realize the object of self power generation.
Water is heated in water heater, flows out from hot-water line.Conventionally, last use after water heater, the water in hot-water line is still present in this water pipe, probably lowers the temperature when using water heater next time.Emptier is installed on hot-water line, can utilizes air that water in hot-water line is discharged, while using water heater next time, can plug and play, reduce the waste of water resource.
The design of fire dish and mixed gas head, can guarantee that combustion gas fully burns, and burning is more stable.Meanwhile, can also, at the mixed catalyst layer that is coated with in a fit of anger, improve fuel gas buring efficiency.
Traditional burner combustion temperature is 1050 ° of left and right, and the utility model can be brought up to burner combustion temperature 1430 ° of left and right, and result of use is very obvious.
Accompanying drawing explanation
Fig. 1 is the front view of the utility model one preferred embodiment heat exchanging fin.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is another preferred embodiment heat exchanger stereochemical structure exploded view of the utility model.
Fig. 4 is condenser jacket three-dimensional structure diagram in another preferred embodiment of the utility model.
Fig. 5 is the condenser jacket mounting structure front view of another preferred embodiment heat exchanger of the utility model.
Fig. 6 is the left view of Fig. 5.
Fig. 7 is the right view of Fig. 5.
Fig. 8 is the figure that in Fig. 5, A-A analyses and observe.
Fig. 9 is the stereogram of the mixed gas head of another preferred embodiment of the utility model.
Figure 10 is the cutaway view of Fig. 9.
Figure 11 is the front view of elevating mechanism in another preferred embodiment of the utility model.
Figure 12 is the stereogram of Figure 11.
Figure 13 is the stereogram of another angle of Figure 11.
Figure 14 is the front view of another preferred embodiment gas heater of the utility model.
Figure 15,16, the 17th, the stereogram of Figure 14 different visual angles.
Figure 18 is the stereogram of the utility model one preferred embodiment generator.
Drawing reference numeral explanation
10 heat exchanging fins; 11 heat-exchange tubes; 12 connecting plates; 13 through holes; 14 fins; 21 outer end caps; 22 hot water outlets; 23 connection water channels; 24 internal end cover; 25 heat-exchange tube installing holes; 26 cold water inlets; 30 condenser jackets; 31 steam vents; 32 water inlets; 33 delivery ports; 41 dishes of getting angry; 42 premix casees; 43 premix cages; 44 air inlet pipe; 45 mixed gas heads; 451 blenders; 452 embedded duration and degree of heatings; 453 core holes; 454 side through hole; 455 catalyst chamber; 456 apical pores; 457 side openings; 46 combustion chamber lower covers; 461 air inlets; 462 air inlet sleeve pipes; 47 gas mixing valves; 51 lifting guide shafts; 52 lifting arms; 521 guide shaft seats; 522 lifter racks; 523 guide rods; 53 gears; 541 lifter rack seats; 542 lifter rack seat installing plates; 55 elevating control motors; 100 gas heaters; 101 blower fans; 102 igniters; 103 first cold water pipes; 104 second cold water pipes; 105 first hot-water lines; 106 hot-water lines; 107 outlet pipes; 110 Gas Pipe; 61 differential pressure power generation machines; 62 thermo-electric generation sheets; 63 batteries; 71 exhaust-valves; 72 emptying motors; 73 air pumps; 74 tube connectors; 121 flow control valves; 122 flow-control motors.
The specific embodiment
Describe below in conjunction with accompanying drawing and a specific embodiment.
Embodiment 1
Referring to Fig. 1 and Fig. 2.The described heat exchanging fin 10 of the present embodiment, has schematically provided 6 and has been parallel to each other and isometric heat-exchange tube 11, and the distance between adjacent two heat-exchange tubes 11 equates.Adjacent two heat-exchange tubes 11 are fixedly connected with by the connecting plate 12 of 6 equi-spaced apart settings, between adjacent two connecting plates, have through hole 13, should pass through in use as flue important component part.When installation, heat exchanging fin 10 horizontal positioned.
The heat that fin 14 can improve heat exchanging fin is set on exchanging tube 11 and slows down area, fin is set below heat-exchange tube and also can extends the time that hot gas stops below heat exchanging fin 10, according to design needs, fin 14 can be arranged on to the one or both sides of heat exchanging fin 10.Fig. 2 shows heat exchanging fin two sides and is provided with the situation of fin 14.Every heat-exchange tube upper and lower is provided with 3 fins, does not have piece fin all perpendicular to connecting plate.
The polylith connecting plate of embodiment indication is take through hole 13 as boundary line delimitation.Each connecting plate can be independently, also can part connect as one, and sees on the whole it is a connecting plate, is evenly provided with multiple through holes on this connecting plate.
Embodiment 2
Referring to Fig. 2 and Fig. 8.The described heat exchanger of the present embodiment, comprises the heat exchanging fin 10 described in embodiment 1.The shape of heat exchanging fin 10, structure have been done clearly and have been described in embodiment 1, and the present embodiment repeats no more.The present embodiment has schematically provided 9 heat exchanging fins 10.Every heat exchanging fin 10 is all horizontally disposed with, and the stacked alternating expression of heat exchanging fin 10 is installed, and heat exchanging fin in the vertical direction equidistantly arranges.All connecting heat-exchange tube 11 with end cap respectively in heat exchanging fin 10 two ends, certainly, also can partly connect
End cap is divided into two parts, i.e. outer end cap 21 and internal end cover 24 has been horizontally disposed with on described outer end cap 21 on an outer end cap in 23, two outer end caps of multiple connection water channels and has been provided with cold water inlet 26, is provided with hot water outlet 22 on another outer end cap.Cold water inlet 26 is communicated with a minimum connection water channel of its place end cap, a highest connection water channel of hot water outlet 22 linker place end caps, the width that is communicated with the connection water channel of cold water inlet or hot water outlet is less than the width of other connection water channels, for example, be 1/2 of other connection water channel width.In internal end cover 24, be provided with multilayer, every layer of multiple heat-exchange tube installing hole 25, between the quantity of heat-exchange tube installing hole 25 and hole, spacing and heat-exchange tube 11 coincide, and without porous or few hole, to make, heat-exchange tube is entirely true to be in place.Internal end cover 24 fits tightly on the notch of outer end cap 21, and connection water channel 23 becomes connection water tank.Connection water channel 23 is inserted through heat-exchange tube installing hole 25 in the termination of heat-exchange tube 11.The connection water tank that is communicated with cold water inlet or hot water outlet connects a heat exchanging fin, and other connect water tank and connect two heat exchanging fins.For example, on left end cap, be provided with cold water inlet, there is end cap to be provided with hot water outlet, water enters first connection water tank of left end cap from cold water inlet, through first heat-exchange tube that is to say the heat exchanging fin of the bottom, arrive first connection water tank of right end cap, water arrives second of left end cap through the heat-exchange tube of second heat exchanging fin again and connects water tank after this water tank mixing, the like.
After this heat exchanger installs, its inside has formed flue, on every layer of heat exchanging fin, has through hole, between each layer of heat exchanging fin, has certain distance, flue gas is that through hole bottom heat exchanging fin enters heat exchanger from first, and finally the through hole from top layer heat exchanging fin flows out.The length of flue can change, as, when every heat exchanging fin complete matching is stacked, on a certain vertical direction, all through holes connect completely, and flue gas hinders minimum when by these through holes, and Negotiation speed is fast; During by heat exchanging fin intersecting, the through hole of each layer staggers mutually, and flue gas hinders large when by these through holes, and Negotiation speed is slow.
Embodiment 3
Referring to Fig. 4 to Figure 18.The described gas heater 100 of the present embodiment, comprises outer cover of water heater, fire dish, igniter 102, cold water pipe and hot-water line 106, and cold water enters from cold water pipe, after heating, flows out from hot-water line, and fire dish lower end is provided with air inlet pipe 44.Also comprise condenser jacket 30, combustion chamber lower cover 46, blower fan 101, elevating mechanism, self power generation equipment and zero cold water emptying mechanism.These equipment are optionally installed according to function separately, correspondingly, if non-selected according to a certain function device, substitute if desired by prior art.For example, while not using self power generation equipment, use the external 220V power voltage supply technology of prior art.The present embodiment has provided and all functions are focused on to same gas heater has become Multi-functional gas water heater 100.
Condenser jacket 30, this condenser jacket 30 comprises two side plates that are parallel to each other and the top board that is connected biside plate, top board center is provided with steam vent 31.Heat exchanger is fastened in condenser jacket 30, and heat exchanging fin 10 is parallel to condenser jacket top board, and end cap is perpendicular to condenser jacket side plate.The width of the outer end cap 21 of end cap equates with the distance between condenser jacket 30 biside plates, and the distance between two outer end cap lateral surfaces equates with the width of condenser jacket 30.Fire dish is arranged on heat exchanger below.
As shown in Figure 5-Figure 8, as preferred forms, condenser jacket 30 hollows, that is to say that condenser jacket 30 is water legs, these condenser jacket 30 top board sides are provided with a water inlet 32 and a delivery port 33, delivery port 33 is connected by first hot-water line 105 with cold water inlet 26, and water inlet 32 connects cold water pipe, the external running water pipe of cold water pipe.
Referring to Fig. 8, Figure 11 to Figure 13, this gas heater moderate heat dish comprises get angry dish 41, premix case 42 and premix cage 43, and the Pan41Gai that gets angry is located on premix case 42, and premix cage 43 is arranged on gets angry between dish 41 and premix case 42.Between lower fire dish 42 and premix cage 43, having a cavity, is gas premixing chamber.Get angry dish 41 and premix cage 43 is provided with mixed gas head installing hole is installed, and mixed gas head 45 is by mixed gas head installing hole close installation.Premix case 42 bottoms are also provided with air inlet pipe 44.Combustion gas enters gas premixing chamber from air inlet pipe 44, is entering mixed gas head 45, and after the mixed gas head of outflow, by igniter 102 ignition combustions, igniter 102 is electronic lighter, is a kind of ignition installation of maturation.
Fig. 9 and Figure 10 provide a kind of specific embodiment of mixed gas head 45, and this mixed gas head 45 comprises a blender 451 and is arranged on the embedded duration and degree of heating 452 in blender 451.Described blender 451 is peviform, and its bottom is provided with opening, and bore diminishes from top to bottom gradually.Embedded duration and degree of heating 452 comprises the disk body section on top and the trunk portion of bottom, and disk body section is coaxial with trunk portion.The diameter of disk body section is larger, and the diameter of trunk portion is less, and because blender 451 bores diminish from top to bottom gradually, disk body section embeds in blender, can be stuck and can not continue to move down in some places.The diameter of trunk portion is slightly less than the diameter of blender 451 bottom openings, and the lower end of trunk portion is in this opening part.Between embedded duration and degree of heating 452 and blender 451, form an annular catalyst chamber 455, secondary mixing is carried out in oxygen and combustion gas in catalyst chamber.Embedded duration and degree of heating 452 axle center are provided with core hole 453 and apical pore 456, and the trunk portion of embedded duration and degree of heating 452 is provided with side through hole 454, and side through hole 454 is communicated with core hole 453 and catalyst chamber 455; The side of the disk body section of embedded duration and degree of heating 452 is evenly provided with multiple side openings 457, and side opening 457 and core hole 453 are all micropores.When oxygen and this micropore of combustion gas process, be pressurized and ejection at a high speed, be conducive to fuel gas buring.Can also be coated with fuel gas buring catalyst at disk body section upper surface.
Referring to Fig. 6 to Fig. 8, and Figure 11 to Figure 13, this gas heater also comprises a combustion chamber lower cover 46, described fire dish is arranged in combustion chamber lower cover 46.Combustion chamber lower cover 46 comprises a rectangular base plate and the biside plate being parallel to each other.Combustion chamber lower cover 46 is arranged in condenser jacket 30, be positioned at heat exchanger below, the side plate of combustion chamber lower cover 46 engages with the end plate of heat exchanger, and two side plates of combustion chamber lower cover 46 and condenser jacket 30 are synthetic into the combustion chamber of a upper opening, and heat exchanger is positioned at the top of this combustion chamber.On the base plate of combustion chamber lower cover 46, be provided with air inlet 461 and air inlet sleeve pipe 462.Air inlet pipe 44 is plugged in air inlet sleeve pipe 462, and is slidably matched with air inlet sleeve pipe 462.Gas mixing valve 47 is also installed on air inlet sleeve pipe 462, and this gas mixing valve 47 is triple valve, and this triple valve also connects Gas Pipe 110 and air hose, and this triple valve is by servomotor control.Drive threeway proportioning valve to control the mixed proportion of combustion gas and oxygen by servomotor, make the mixed proportion of gas quantity and amount of oxygen reach best.
Air inlet 461 is provided with blower fan 101, specifically air inlet 461 docks with the exhaust outlet of blower fan 101, control air mass flow by blower fan 101, guarantee combustion gas fully burning in combustion chamber by controlling air mass flow, impel the heat producing after fuel gas buring to rise simultaneously, heat is more evenly distributed in heat exchanger.
Referring to Figure 11 to Figure 13, elevating mechanism is arranged on fire dish below, and elevating mechanism is made up of lifting guide shaft 51, lifting arm 52, lifter rack seat 541, gear 53 and elevating control motor 55.
Lifting guide shaft 51 is through the base plate of combustion chamber lower cover 46, and its top is fixedly connected on fiery tray bottom, and bottom is fixedly connected with guide shaft seat 521.Lifting guide shaft 51 is vertical direction setting.Correspondingly, on combustion chamber lower cover 46 base plates, be provided with the through hole passing for lifting guide shaft 51.Lifting guide shaft 51 uses two can better fix fire dish, and structure can too complex simultaneously.
Lifting arm 52 is made up of three parts, is respectively guide shaft seat 521, lifter rack 522 and guide rod 523 from top to bottom.
Guide shaft seat 521 is horizontally disposed with, and its two ends are fixedly connected with lifting guide shaft 51 respectively, and middle part is provided with air inlet sleeve pipe 462 trepannings, and platform trepanning and air inlet sleeve pipe 462 are slidably matched.
Lifter rack seat 541: one end is fixedly mounted on outer cover of water heater by lifter rack seat installing plate 542, the other end is provided with the guide rod guide hole being slidably matched with guide rod 523.
Gear 53: engage gear drive drive lifter rack rectilinear motion Shang Xia 522 with lifter rack 522.
Elevating control motor 55, is a servomotor, rotates for control gear 53, and its power output shaft is coaxially connected with gear 53.
On the first cold water pipe 103, flow control valve 121 is installed, flow control valve 121 is connected with flow-control motor 122.Flow-control motor 122 is servomotor.Flow control valve 121 is a two-way valve, can realize the control to cold water flow size, and the first cold water pipe 103 is opened or closed.
Zero cold water emptying mechanism comprises an exhaust-valve 71, air pump 73 and emptying motor 72.Emptying motor is servomotor.Exhaust-valve 71 is triple valves, this triple valve connects respectively, on hot-water line 106, outlet pipe 107 and tube connector 74, tube connector 74 is connected with air pump 73, exhaust-valve 71 is controlled by emptying motor 72.While using water heater, hot-water line 106 is communicated with outlet pipe 107; After use finishes, emptying motor 72 controls exhaust-valve 71 and cuts out hot-water line 106, and tube connector 74 is communicated with outlet pipe 107, and air pump 73 is started working, and to tube connector 74 input airs, utilizes air pressure that the hot water in outlet pipe 107 is all extruded.
Self power generation equipment comprises a differential pressure power generation machine 61 and a thermo-electric generation sheet 62, and electricity is collected by battery 63.Referring to Figure 16-Figure 18, a differential pressure power generation machine 61 is installed on cold water pipe, the turbine case oral siphon front end of differential pressure power generation machine 61 is the first cold water pipe 103, turbine case outlet pipe rear end is the water inlet 32 that the second cold water pipe 104, the second cold water pipes connect condenser jacket 30.In water heater, thermo-electric generation sheet 62 is also installed simultaneously, selects the generating equipment of corresponding generated output according to the model of water heater.This differential pressure power generation machine 61 and thermo-electric generation sheet 62 are electrically connected with battery 63, and battery 63 is electrically connected with each control motor and igniter in water heater.Thermo-electric generation sheet 62 is semiconductor temperature differential generating sheet, and its one side is fitted on the side plate of combustion chamber lower cover 46, and another side is fitted on the turbine shroud of differential pressure power generation machine 61, utilizes the temperature difference generating between burner lower cover side plate and turbine shroud.When fuel gas buring, combustion chamber lower cover side plate is by waste-heat, and temperature is higher; Turbine shroud contacts with mobile cold water all the time, and temperature is lower, and both temperature difference can meet the generating of thermo-electric generation sheet completely.
Cold water is delivered to heat exchanger again through condenser jacket circulation, and heat exchanger is closed and makes heating in condenser jacket, and the heat energy that fuel gas buring produces is fully utilized, and water heater is to the basic non-thermal radiation of indoor environment simultaneously.
Multi-functional gas water heater maximum temperature in the present embodiment is brought up to 1350-1430 ℃.Utilize each functional entity to realize to economize on resources, improve energy utilization rate, reduce outside dependence, improve the object of safety and stability, make product safer, more reliably, more energy-conservation, more economical.
Below be only preferred embodiment of the present utility model, it should be pointed out that above-mentioned preferred embodiment should not be considered as restriction of the present utility model, protection domain of the present utility model should be as the criterion with claim limited range.For those skilled in the art, not departing from spirit and scope of the present utility model, can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1. a heat exchanger, it is characterized in that, comprise polylith heat exchanging fin (10), heat exchanging fin comprises the many heat-exchange tubes that are parallel to each other (11), the connecting plate (12) that adjacent two heat-exchange tubes (11) arrange by polylith equi-spaced apart is fixedly connected with, and has through hole (13) between adjacent two connecting plates; On exchanging tube (11), be provided with fin (14); Polylith heat exchanging fin (10) horizontal stacking formula is installed, and connecting heat-exchange tube (11) in whole or in part with end cap respectively in heat exchanging fin (10) two ends, is respectively arranged with cold water inlet and hot water outlet in two end cap.
2. heat exchanger according to claim 1, it is characterized in that, described end cap is made up of outer end cap (21) and internal end cover (24), multiple connection water channels (23) on described outer end cap (21), are horizontally disposed with, on one outer end cap, be provided with cold water inlet (26), on another outer end cap, be provided with hot water outlet (22); In internal end cover (24), be provided with multilayer, every layer of multiple heat-exchange tube installing hole (25), internal end cover (24) fits tightly on the notch of outer end cap (21), and connection water channel (23) is inserted through heat-exchange tube installing hole (25) in the termination of heat-exchange tube (11).
3. one kind comprises the gas heater of heat exchanger described in claim 2, comprise outer cover of water heater, fire dish, igniter (102), cold water pipe and hot-water line (106), cold water enters from cold water pipe, and flow out from hot-water line after heating, fire dish lower end is provided with air inlet pipe (44), it is characterized in that, also comprises a condenser jacket (30), this condenser jacket (30) comprises two side plates that are parallel to each other and the top board that is connected biside plate, is provided with steam vent (31) on top board; Described heat exchanger is arranged in condenser jacket (30), and heat exchanging fin (10) is parallel to condenser jacket top board, and end cap is perpendicular to condenser jacket side plate; Fire dish is arranged on heat exchanger below.
4. gas heater according to claim 3, is characterized in that, described condenser jacket (30) hollow is provided with a water inlet (32) and a delivery port (33) on condenser jacket (30), and delivery port (33) is connected with cold water inlet (26) pipeline.
5. gas heater according to claim 3, it is characterized in that, described fire dish is arranged in combustion chamber lower cover (46), combustion chamber lower cover (46) comprises base plate and the biside plate being parallel to each other, combustion chamber lower cover (46) encloses with condenser jacket (30) combustion chamber that forms upper opening, on combustion chamber lower cover (46) base plate, be provided with air inlet (461) and air inlet sleeve pipe (462), air inlet pipe (44) is plugged in air inlet sleeve pipe (462); Described air inlet (461) is provided with blower fan (101).
6. gas heater according to claim 5, is characterized in that, gas mixing valve (47) is also installed on described air inlet sleeve pipe (462), and this gas mixing valve (47) is triple valve, and this triple valve also connects Gas Pipe (110) and air hose.
7. gas heater according to claim 3, is characterized in that, the below of described fire dish is provided with elevating mechanism, and elevating mechanism comprises:
Lifting guide shaft (51): its top is fixedly connected on fiery tray bottom, vertical direction setting;
Lifting arm (52): comprise successively guide shaft seat (521), lifter rack (522) and guide rod (523) three parts from top to bottom, guide shaft seat (521) is fixedly connected with lifting guide shaft (51);
Lifter rack seat (541): outer cover of water heater is fixed in one end, the other end is provided with the guide rod guide hole being slidably matched with guide rod (523);
Gear (53): engage with lifter rack (522);
Elevating control motor (55): its power output shaft is coaxially connected with gear (53).
8. gas heater according to claim 3, is characterized in that, differential pressure power generation machine (61) is installed on described cold water pipe, and this differential pressure power generation machine is electrically connected with each control motor, igniter in water heater; Or, thermo-electric generation sheet (62) is also installed in water heater, this thermo-electric generation sheet (62) is electrically connected with each control motor, igniter in water heater; Or, battery (63) is also installed in water heater, differential pressure power generation machine (61) or thermo-electric generation sheet (62) are electrically connected with battery (63), and battery (63) is electrically connected with each control motor, igniter in water heater.
9. gas heater according to claim 3, it is characterized in that, exhaust-valve (71) is installed on described hot-water line (106), this exhaust-valve (71) is triple valve, this triple valve is also connected with outlet pipe (107) and tube connector (74), tube connector (74) connects air pump (73) again, and exhaust-valve (71) is controlled by emptying motor (72).
10. gas heater according to claim 3, it is characterized in that, described fire dish comprises the dish (41) of getting angry, premix case (42) and premix cage (43), the dish (41) of getting angry lid is located on premix case (42), premix cage (43) is arranged on gets angry between dish (41) and premix case (42), get angry dish (41) and premix cage (43) is provided with mixed gas head installing hole is installed, and mixed gas head (45) is arranged in mixed gas head installing hole; Premix case (42) bottom is also provided with air inlet pipe (44); Described mixed gas head (45) comprises a blender (451) and is arranged on the embedded duration and degree of heating (452) in blender (451); Described blender (451) is peviform, its bottom opening, and bore diminishes from top to bottom gradually; Described embedded duration and degree of heating (452) comprises the disk body section on top and the trunk portion of bottom, and disk body section is coaxial with trunk portion; Between embedded duration and degree of heating (452) and blender (451), form an annular catalyst chamber (455); Embedded duration and degree of heating (452) axle center is provided with core hole (453) and apical pore (456), and the trunk portion of embedded duration and degree of heating (452) is provided with side through hole (454), and side through hole (454) is communicated with core hole (453) and catalyst chamber (455); The side of the disk body section of embedded duration and degree of heating (452) is evenly provided with multiple side openings (457).
CN201320717778.5U 2013-11-13 2013-11-13 Heat exchanger and gas water heater Expired - Fee Related CN203595253U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557586A (en) * 2013-11-13 2014-02-05 李林 Fuel gas water heater
CN107131632A (en) * 2017-07-06 2017-09-05 苏州希霆热能技术有限公司 A kind of gas-heating water heater casing
CN111412654A (en) * 2020-04-16 2020-07-14 山东赛马力动力科技有限公司 GHP gas heat pump machine
CN111435031A (en) * 2019-01-14 2020-07-21 宁波方太厨具有限公司 Heat exchanger and gas water heater using same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103557586A (en) * 2013-11-13 2014-02-05 李林 Fuel gas water heater
CN103557586B (en) * 2013-11-13 2016-01-06 李林 Gas-fired water heater
CN107131632A (en) * 2017-07-06 2017-09-05 苏州希霆热能技术有限公司 A kind of gas-heating water heater casing
CN111435031A (en) * 2019-01-14 2020-07-21 宁波方太厨具有限公司 Heat exchanger and gas water heater using same
CN111435031B (en) * 2019-01-14 2021-08-20 宁波方太厨具有限公司 Heat exchanger and gas water heater using same
CN111412654A (en) * 2020-04-16 2020-07-14 山东赛马力动力科技有限公司 GHP gas heat pump machine
CN111412654B (en) * 2020-04-16 2021-06-04 山东赛马力动力科技有限公司 GHP gas heat pump machine

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