CN201265944Y - Heating equipment of quick heating type electric water heater - Google Patents

Abstract

The utility model relates to a heating device of a quick-heat type electric water heater, which comprises a water storage bucket, electrothermal pipes, a metal connecting sheet, an electrode, a water feeding pipe and a water discharge pipe, wherein the water storage bucket is internally provided with a plurality of bent electrothermal pipes hermetically welded on a same end cover of the water storage bucket through the end cover, and an electrified guide bar of each electrothermal pipe penetrates the end cover of the water storage bucket and is exposed out of the water storage bucket. Furthermore, the electrothermal pipes are divided into two groups, each group includes three electrothermal pipes, and the electric water heater can be formed by assembling the electrode and matching multiple control devices and protective devices. The utility model has the advantage that a highpowered electrothermal pipe bundle comprises a plurality of lowpowered electrothermal pipes, has simple fabrication technology and is favorable for prolonging the life of the electrothermal pipes. In addition, the utility model can be also used for an emergency so long as the safety is good even if one of the electrothermal pipes is damaged, and the electrothermal pipes are in bent shapes so as to shorten the perpendicular lengths of the electrothermal pipes, thereby the inner volume of the water storage bucket is reduced. The utility model has the great advantage that the water can be used right away after being discharged and infinite sanitary and healthy fresh hot water can be provided continuously.

Description

The heater of quick-heating type electric water heater

Technical field

The utility model relates to a kind of quick-heating type electric water heater, and this electric heater has a very little water butt, and mobile water just becomes hot water by cold water by water butt.Its intake-outlet all can be provided with the control taps, opens the control taps, just can directly emit hot water in tap.

Background technology

Traditional electric heater is in the majority with storage-type, and the employing immerging metal tube heater is a heater element, and electric heater all adopts the principle of " water is assured ", promptly heat-generating pipe integral body is immersed in the water butt.Therefore, the volume of water butt is bigger, and meaning to have bigger duty place, and the heat that volume outwards distributes greatly is also more, has reduced the thermal efficiency.

The Fast Heating type electric heater that also has a kind of quick-heating type, heat-generating pipe is made by the coated glass pipe, water flows to glass tube as heater with the form that flows from water inlet pipe, and in the overall process of glass tube of flowing through, obtain heat temperature raising, its water power is isolated fully, the outage automatically of cutting off the water supply promptly, still, the weak point of its maximum is that the pipeline as electric heater is vitreous, may break because of weather is cold under the weather conditions that produce an unexpected winner.Because breaking of the glass tube of electric heater can bring destructive disaster to water heater.So the scheme that the glass tube scheme of Instant heating type Fast Heating type electric heater is changed into metal tube is the problem that we need solve.

The utility model content

In view of this shortcoming of the prior art, the purpose of this utility model is exactly in order to release the less quick-heating type electric water heater of a kind of duty volume, adopting the metal electric heating pipe is heater, accelerates the speed of hot water by reducing the water butt volume, can accomplish plug and play.The core that the utility model provides quick-heating type electric water heater is an electric heater unit.

Its structure is as follows:

The electric heater profile is cylindric, and it comprises water butt, water inlet pipe and water outlet pipe, many electrothermal tubes, metal connecting sheet, electrode and end cap.The skin of electric heater is columniform water butt, is welded by columniform metal tube and two end cap seal.One of them end cap is washed into concave arc shape, and the other end covers to dash 12 uniform small sircle holes, and the diameter of small sircle hole is identical with the external diameter of electrothermal tube.Two end insertion ends the six roots of sensation electrothermal tube during assembling cover in the corresponding circular hole, are assembled into columniform electric heating tube bank, and certain clearance is arranged between the electrothermal tube, and flowing water is the rotating flow mistake from the gap, obtains heat temperature raising.When above-mentioned assembling, the eduction rod of electrothermal tube is passed end cap, on two ends of electrothermal tube and the end cap towards the justified margin of small sircle hole, the two seal welding.The electric heating tube bank that welding is good is contained on the termination of pipe with end cap, and the electric heating tube bank is put in the bucket, and eduction rod is exposed at outside the staving.End cap is alignd with the termination of pipe and seal welding, simultaneously,, just made the water butt that includes electrothermal tube at the end cap that the other end of pipe is burn-on concave arc shape.Be exposed at outer eduction rod of staving and end cap and staving insulation after the welding.On eduction rod, welded metal connecting sheet on request, six roots of sensation small power electric heat pipe has been divided into two groups, three every group, electrothermal tube in same group is connected in parallel, like this, six roots of sensation electrothermal tube is just formed two groups of powerful electric heating tube banks, the electrode of burn-oning again on metal connecting piece.The water butt side is provided with water inlet and delivery port, and water inlet is below the staving side, and delivery port is above the staving side, and seal weld is connected to water inlet pipe and water outlet pipe on intake-outlet.The utility model is located at the water butt lower side to water inlet, and delivery port is located at upper side edge.In the time of in cold water enters into water butt, just rotational flow in many electric heating tube banks of cylindrical distribution obtains heating very soon, and hot water flows out from the upper end delivery port.According to the principle that hot water always upwards flows, therefore can bring into play the thermal efficiency of electrothermal tube effectively.And the electrothermal tube in the bucket adopts circular arrangement, and water is without hindrance when mobile, and no dead angle is flowed very smooth and easyly, can reduce the generation of water vapo(u)r bubble in the bucket effectively, greatly prolongs the life-span of electrothermal tube.On heater, mix pipe switch again, electric switch, some circuit that switch and temperature control are used, and some safety protective circuits just can be assembled into the less instantaneous water heater of volume.Its water flowing is promptly switched on, and can Continuous Flow go out fresh hot water.

The utility model has the advantages that: 1. electrothermal tube is crooked shape, and it is tightr to arrange, and has dwindled the length and the volume of electric heater greatly.2. many electrothermal tubes are cylindrical uniform in water butt, and water is more smooth and easy during rotational flow in bucket, can reduce the generation of bubble effectively.3. the eduction rod of electrothermal tube passes from the same end cap of water butt, and is simple in structure, easy-to-connect.4. the high-power heater of being made up of many low power electrothermal tubes, manufacturing process is simple.5. when an intrafascicular small power electric heat pipe of electrothermal tube damaged, as long as security performance is good, water heater can continue to use.

Description of drawings

Fig. 1 is the stereogram of electric heater.

Fig. 2 is the local partial cutaway diagrammatic sketch of Fig. 1 embodiment.

Fig. 3 is the plane of Fig. 1 embodiment.

Fig. 4 is the plane of the electric heating tube bank of Fig. 1 embodiment.

Fig. 5 is the plane of the electrothermal tube of Fig. 1 embodiment

The specific embodiment

Below in conjunction with drawings and Examples the utility model is described in further detail.

This electric heater is a kind of Fast Heating type electric heater.Adopt the metal electric heating tube bank as electric heating body, when cock of water drain was opened, water in water inlet pipe flows to water butt, and is promoted water temperature in the overall process of electric heating tube bank of flowing through with the form that flows, and was last, flows out hot water from outlet pipe.It is furnished with various pipe switch and electric switch, also has various circuit, can be just like temperature-control circuit, and power circuit, on-off circuit, indicating circuit, leakage protection circuit, the holding circuit etc. of cutting off the water.Its water flowing is energising just, the outage automatically of just cutting off the water supply.It is a kind of rapid-heating type electric heating water supply device, and the utmost point is suitable for family and unit uses.The utility model is the core of this water heater, that is, be the dual-purpose assembly of a kind of one that constitutes one simultaneously as water passage and electric heater.Just make it be the electric heater of Fast Heating type electric heater.Being constructed as follows of this electric heater:

Be the embodiment of the heater of an electric heater of the present utility model as shown in Figure 1, it includes columned water butt 1, water butt 1 is formed with end cap 4 welded seals by columned staving and biend, the side of water butt 1 is provided with water inlet pipe 5 and outlet pipe 6, lay the electric heating tube bank of being made up of six roots of sensation electrothermal tube 2 in the water butt 1, every electrothermal tube 2 is crooked shape.Two ends of electrothermal tube 2 and the small sircle hole seal welding on the end cap 4, the eduction rod 8 in the electrothermal tube 2 passes end cap 4 and exposes in water butt 1 outside.Metal connecting sheet 7 is welded on the eduction rod 8, six roots of sensation electrothermal tube 2 usefulness metal connecting sheets 7 are divided into two groups of electric heating tube banks that electrical power is close, every group of three electrothermal tubes 2, three electrothermal tubes of same group are connected in parallel.On metal connecting sheet 7, welded electrode 3 again; connect automatic control circuit; power circuit, on-off circuit, indicating circuit; the leakage protection circuit and the holding circuit etc. of cutting off the water; just can realize the function of electric heater automatic temperature-control, the instant heating hydrophone can be regulated the electromotive power output of water heater automatically according to the water temperature and the streamflow of water inlet; people are really enjoyed fast, convenient and comfortable product.Fig. 2 is the partial sectional view of heater, and it has shown electrothermal tube 2 position in water butt 1.Fig. 3 is the section plan of heater, and it has shown the assembling situation of electrothermal tube 2 at water butt 1, the position of water inlet 5 and delivery port 6.The end cap 4 of bucket two ends tightly embeds in the bucket, end cap 4 the justified margin of edge and bucket, and seal welding.Electrothermal tube 2 in the water butt 1 passes end cap 4, the edge seal welding of circular hole on its end face and the end cap 4, and the eduction rod 8 in the electrothermal tube 2 keeps insulation with end cap 4 and staving.Fig. 4 shows the assembled relation of electrothermal tube 2 and end cap 4, makes many low power electrothermal tubes 2 become powerful electric heating tube bank by end cap 4.Fig. 5 is the plane of the small power electric heat pipe 2 of crooked shape.

The utility model can reduce the length of water butt effectively by electrothermal tube is made curved shape, produces the littler instantaneous water heater of volume.Simultaneously, many electrothermal tubes are assembled into columniform electric heating tube bank, make water more smooth and easy when mobile.

Claims (6)

1, a kind of heater of quick-heating type electric water heater, it comprises that water butt (1), electrothermal tube (2), electrode (3), end cap (4), water inlet pipe (5) and outlet pipe (6), metal connecting sheet (7), eduction rod (8) is characterized in that: the electrothermal tube of crooked shape (2) is installed in the water butt (1), described water butt (1) two end is with end cap (4) seal welding, is welded with water inlet pipe and water outlet pipe in the side seals of water butt; Described electrothermal tube (2) seal welding is provided with eduction rod (8) at electrothermal tube two ends on end cap (4); Described metal connecting sheet (7) is welded on the eduction rod (8), and described electrode (3) is welded on metal connecting sheet (7), and described electrothermal tube is the six roots of sensation.

2, heater as claimed in claim 1 is characterized in that: two ends of described water butt (1) are with circular end cap (4) seal welding.

3, heater as claimed in claim 1 is characterized in that: the side up and down of described water butt (1) is established a water inlet pipe (5) and an outlet pipe (6).

4, heater as claimed in claim 1, it is characterized in that: described six roots of sensation electrothermal tube (2) seal welding is on the same end cap (4) of water butt (1), and the termination of electrothermal tube (2) and eduction rod (8) pass end cap (4), between the every electrothermal tube (2) at intervals.

5, heater as claimed in claim 4 is characterized in that: six roots of sensation electrothermal tube (2) is by the close high power electrothermals tube bank of two groups of power of metal connecting sheet (7) formation in parallel.

6, heater as claimed in claim 4 is characterized in that: described electrothermal tube (2) is assembled into columniform electric heating tube bank.

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