CN200968704Y

CN200968704Y - Volume various electric water heater

Info

Publication number: CN200968704Y
Application number: CN 200620140258
Authority: CN
Inventors: 汪其帮
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-11-23
Filing date: 2006-11-23
Publication date: 2007-10-31
Anticipated expiration: 2016-11-23

Abstract

The utility model discloses a capacity-regulating electrical water heater, comprising a casing and a water storage container. A thermal insulation layer for filling with thermal insulating material is arranged between the casing and the container, a cool water interface and a hot water interface are respectively communicated with the cool water hole and the hot water hole of the container. The utility model is characterized in that the container is provided with a piston made of thermal insulating material and may slide on the piston rod; the piston divides the container into a cool water zone and a hot water zone, the cool water hole and the hot water hole of the container as well as the heater are located in the hot water zone. The cool water interface and the container are connected with the water inlet in the cool water zone through a dual-mode waterway control valve, and a water pump is arranged on the passage between the cool water hole and the inlet of the container so as to achieve the purpose of saving energy. The cool water is separated from hot water to enable the temperature of out-water constant. Under same water using condition, the volume of the electrical heater may be reduced and the manufacturing cost may be lowered down.

Description

The capacitor tuning type electric heater

Technical field

The utility model relates to the electric heater of supplying the domestic hot-water, and particularly a kind of water storage liner capacity can be adjusted, to reach energy savings and capacitor tuning type electric heater easy to use.

Background technology

Existing electric heater is general as to be called " electric heater ", the patent No. be 85201132 the Chinese utility model patent, comprise the metal shell body, its upper and lower side has a water inlet and a delivery port respectively, be lined with a rigid interior cover of insulation of bringing apopore in the metal shell body, the feature of said electric heater be in insulation is rigid, overlapping by an electric heater core of forming by two groups of metal pole pieces, including the outermost one group of metal pole piece of electric heater core is the zero line that connects power supply.This electric heater need all heat the water in the water heater liner before use.During use, advance cold water by water inlet, compressing upper strata hot water flows out from delivery port.In this process, constantly there is cold water to mix with hot water, cause water temperature to descend, make quite a few thermal loss.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of water storage liner capacity to adjust, to reach energy savings and capacitor tuning type electric heater easy to use.

The utility model solves the problems of the technologies described above the technical scheme that is adopted:

A kind of capacitor tuning type electric heater, comprise shell and water storage liner, the heat-insulation layer that fill insulant material is arranged between shell and inner bag, an one cold water interface and an interface of hot water are communicated with the cold water hole and the hot water hole of described inner bag respectively, it is characterized in that: in described inner bag, be provided with by heat-barrier material piston that make, that can on piston rod, slide, described piston is separated into cold water area and hydrothermal area with inner bag, and the cold water hole of inner bag and hot water hole and heater are positioned at the hydrothermal area; Be connected the mouth of a river of keeping forging ahead that is positioned at cold water area by double mode water route control valve between cold water interface and the inner bag, on the cold water hole of inner bag and the path between the mouth of a river of keeping forging ahead, a water pump be set.

For optimizing technique scheme, the measure that the utility model is taked also comprises:

Be connected one section bend pipe between the hot water hole of described interface of hot water and inner bag, the height point position of described bend pipe is higher than the height point position of heater.

At the top of described inner bag an apical pore is arranged, described apical pore is connected with last pressure limiting valve by pipeline; A pore is arranged in the bottom of inner bag, and described pore is connected with following pressure limiting valve by pipeline.

Because the utility model has been taked above-mentioned technical measures, making it to contrast prior art has following advantage:

1, the main application of electric heater provides hot water and has a bath for the people, and everyone bathing water amount is different, and water temperature is also different.The water of whole bucket all must be heated when but existing water heater uses, can not adjust.Particularly when giving child or baby bathing, the water yield does not need to heat whole bucket water too much yet, causes heat waste.And the utility model can be adjusted the volume of the thermal treatment zone according to the size of hot water expense, just as long as heating sub-fraction water is just passable, to reach the purpose of energy savings;

Rely on the cold water compressing hot water that enters inner bag to flow out when 2, existing electric heater uses.In this process, cold water constantly mixes with hot water, and the hot water water temperature is descended, and does not reach the requirement of having a bath, and this part heat has been wasted again.Because capacitor tuning type electric heater cold water and hot water are kept apart, and can make hot water effluent's water temperature more constant;

3, because the hot water service efficiency improves, under same watering condition, the volume that dwindles electric heater that can be suitable has reduced manufacturing cost.

Description of drawings

Fig. 1 is the cross-sectional view of the utility model embodiment;

Fig. 2 is the side sectional view of Fig. 1;

Fig. 3 water route control valve is at control model structure for amplifying schematic diagram for the moment;

Fig. 4 is the structure for amplifying schematic diagram of the utility model embodiment water route control valve when control model two.

The specific embodiment

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

With reference to accompanying drawing, the utility model has a shell 1 and a water storage liner 3, and the heat-insulation layer 2 of fill insulant material is arranged between shell 1 and inner bag 3.An one cold water interface 10 and an interface of hot water 8 are communicated with the cold water hole 13 and the hot water hole 6 of inner bag 3 respectively.3 li of inner bags a fixing piston rod 16 is set, a piston 14 is installed on the piston rod 16, piston 14 can slide on piston rod 16.Piston 14 is made by heat-barrier material.Piston 14 is separated into cold water area 15 and hydrothermal area 12 with inner bag 3, and the cold water hole 13 of inner bag 3 and hot water hole 6 and ring-type heating tube heater 5 are positioned at hydrothermal area 12.When piston 14 slided on piston rod 16, cold water area 15 that is separated into by piston 14 and hydrothermal area 12 volume changed thereupon.On the pipeline between cold water interface 10 and the inner bag 3, be connected the mouth of a river 17 of keeping forging ahead that is positioned at cold water area 15 by double mode water route control valve 9.On the cold water hole 13 of inner bag 3 and the path between the mouth of a river 17 of keeping forging ahead, a water pump 11 is set.For example, at water route control valve 9 and keep forging ahead a minisize axial-flow water pump 11 is set between the mouth of a river 17.Be connected one section bend pipe 4 between the hot water hole 6 of interface of hot water 8 and inner bag 3, the height point position of bend pipe 4 is higher than the height point position of heater 5.Like this, the water that the hydrothermal area is 12 li can not put, and guaranteeing all the time has the water that covers heater 5, prevents that dry combustion method from destroying heater 5.An apical pore 18 is arranged at the top of inner bag 3, and it is connected with last pressure limiting valve 19 by pipeline.A pore 20 is arranged in the bottom of inner bag 3, and it is connected with following pressure limiting valve 21 by pipeline.

Before the heating, water route control valve 9 is turned to pattern one, the cold water hole 13 of inner bag 3 is communicated with the mouth of a river 17 of keeping forging ahead, just the cold water area 15 of inner bag 3 and hydrothermal area 12 are communicated with.Start micro pump 11, micro pump 11 pumps into hydrothermal area 12 with the cold water of cold water area 15.Along with the water of cold water area 15 constantly reduces and hydrothermal area 12 water constantly increases, piston 14 moves on gradually, and the volume of cold water area 15 diminishes and hydrothermal area 12 volume becomes greatly.The water yield that pumps into can be controlled the size of the water yield that needs heating by regularly switch (not drawing among a figure) control by the length of control 11 working times of water pump.After micro pump 11 quits work, the water in heater 5 beginning heat hot pools 12.Can need determine the water temperature of heating by temperature detect switch (TDS) 7.After water temperature reached design temperature, heater 5 stopped heating automatically, enters keeping warm mode.

Before using hot water, water route control valve 9 is turned to pattern two, the mouth of a river 17 of keeping forging ahead of the cold water area 15 that is positioned at inner bag 3 is connected with cold water interface 10.Open interface of hot water 8, emit hot water, inner bag hydrothermal area 12 heat hydraulic pressure descends, and piston 14 moves down gradually.The cold water that connects the cold water interface 10 of tap water pipe line is pressed into the cold water area 15 of inner bag 3, and cold water area 15 volumes become big and hydrothermal area's 12 volumes diminish, and near heater 5, hot water is used up substantially up to piston 14.

When intaking first, will go up pressure limiting valve 19 and following pressure limiting valve 21 earlier and open, again water route control valve 9 be turned to pattern two, the mouth of a river 17 of keeping forging ahead of the cold water area 15 that is positioned at inner bag 3 is connected with cold water interface 10.Cold water injects the cold water area 15 of inner bag 3, and the air in the cold water area 15 is discharged through last pressure limiting valve 19 by apical pore 18, there are flowing out until last pressure limiting valve 19; Water route control valve 9 turns to pattern one, and the cold water hole 13 of inner bag 3 is communicated with the mouth of a river 17 of keeping forging ahead, and just the cold water area 15 of inner bag 3 and hydrothermal area 12 are communicated with.Startup micro pump 11, micro pump 11 pumps into hydrothermal area 12 with the cold water of cold water area 15, and the air in the hydrothermal area 12, be there are flowing out up to following pressure limiting valve 21 through pressure limiting valve 21 discharges down by pore 20, close bound and press valve 21; Water route control valve 9 is turned to pattern two, once more water is injected cold water area 15, there are flowing out once more, shut pressure limiting valve 21 until last pressure limiting valve 19.

When maintenance or telephone-moving need be discharged inner bag 3 water, water route control valve 9 turns to pattern one, the cold water hole 13 of inner bag 3 is communicated with the mouth of a river 17 of keeping forging ahead, just the cold water area 15 of inner bag 3 and hydrothermal area 12 are communicated with, start micro pump 11, micro pump 11 all pumps into hydrothermal area 12 with the cold water of cold water area 15, opens pressure limiting valve 19 and following pressure limiting valve 21 simultaneously, air enters hydrothermal area 12 by last pressure limiting valve 19, and water is by following pressure limiting valve 21.After draining is finished, shut pressure limiting valve 19 and following pressure limiting valve 21.

Claims

1, a kind of capacitor tuning type electric heater, comprise shell (1) and water storage liner (3), the heat-insulation layer (2) that fill insulant material is arranged between shell (1) and inner bag (3), an one cold water interface (10) and an interface of hot water (8) are communicated with the cold water hole (13) and the hot water hole (6) of described inner bag (3) respectively, it is characterized in that: make by heat-barrier material in the setting of described inner bag (3) lining, can go up the piston (14) that slides at piston rod (16), described piston (14) is separated into cold water area (15) and hydrothermal area (12) with inner bag (3), and the cold water hole (13) of inner bag (3) and hot water hole (6) and heater (5) are positioned at hydrothermal area (12); Be connected the mouth of a river of keeping forging ahead (17) that is positioned at cold water area (15) by double mode water route control valve (9) between cold water interface (10) and the inner bag (3), on the path between the cold water hole (13) of inner bag (3) and the mouth of a river of keeping forging ahead (17), a water pump (11) be set.

2, capacitor tuning type electric heater according to claim 1, it is characterized in that: be connected one section bend pipe (4) between the hot water hole (6) of described interface of hot water (8) and inner bag (3), the height point position of described bend pipe (4) is higher than the height point position of heater (5).

3, capacitor tuning type electric heater according to claim 1 is characterized in that: at the top of described inner bag (3) apical pore (18) is arranged, described apical pore (18) is connected with last pressure limiting valve (19) by pipeline; In the bottom of inner bag (3) pore (20) is arranged, described pore (20) is connected with following pressure limiting valve (21) by pipeline.