CN2470736Y

CN2470736Y - Electric water-heater with composite structure

Info

Publication number: CN2470736Y
Application number: CN 00266330
Authority: CN
Inventors: 张志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-28
Filing date: 2000-12-28
Publication date: 2002-01-09
Anticipated expiration: 2010-12-28

Abstract

The utility model relates to an electric water heater with a composite structure. The utility model comprises an inner container, an electric heating pipe and an insulating layer of the existing structure. The utility model is characterized in that the utility model is compounded with a small inner container basis on the original structure; the big and the small inner containers are communicated by a hot water pipe. When a small quantity of hot water is needed, water supply with fast speed can be met by only heating the small inner container, so the utility model has high heat utilization efficiency and notable energy-saving effect. When a large quantity of hot water is needed, the big and the small inner containers are heated simultaneously; hot water is supplied by the small inner container, the big inner container which supplies hot water to the small inner container, and cold tap water is supplied to the big inner container, thus, the hot water in the small inner container is always insulated from the cold water in the big inner container. The utility model raises heat utilization efficiency and saves energy resources.

Description

The composite construction electric heater

The utility model relates to the improvement to existing electric heater structure.

The electric heater structure is by an inner bag (water tank) at present, electric heating tube, hot-water line, cold water pipe, compositions such as heat-insulation layer and temperature control electric appliance spare, heat supply water mode is by the whole box water heating of electric heating tube to inner bag, the top hot water mouth of pipe after the hydro-thermal in the inner bag goes out hot water downwards, replenish cold water from inner bag bottom water inlet pipe, actual each electric heater that uses, with hot water amount's size all is long period water boiling heater heating in advance, the heat supply water speed is slow, use how much hot water, just replenish how much cold water, formed hot and cold water blending coexistence in the inner bag again, thereby it is on the low side to make electric energy be converted to the utilization rate of heat energy, causes the waste of electric energy.Round-the-clock use electric heater, electrical heating is opened all the time, and whole box water is heated to design temperature and cuts off the power supply automatically, but because the whole box water volume is big, and radiation loss is big, and electrical heating is frequently opened, and heat utilization efficiency is low, the power consumption waste is bigger.

The purpose of this utility model provides a kind of composite construction electric heater, it can not only accelerate regular with the hot water amount speed of heat supply water when little, it is over half promptly to reduce the electrically heated time, and round-the-clock use radiation loss is little, energy saving is more obvious.

The utility model is to improve on existing electric heater structure, it includes inner bag, electric heating tube and heat-insulation layer, it is characterized in that small inner container of the compound increase of original structure, small inner container is on a left side, big inner bag is on the right side, greatly, between connecting, small inner container is the insulation heat-insulating shield, long S hot-water line is arranged therebetween, the end opening of hot-water line is communicated with small inner container, the big inner bag of connection suitable for reading of hot-water line, big small inner container can be distinguished independence, also can be that a long inner bag is separated by heat-insulating shield and forms, and big inner bag bottom is provided with water inlet pipe, also be provided with electric heating tube and hot-water line in the small inner container, the small inner container bottom is provided with the blowoff valve pipe.When using the hot water amount little, it is fast only to need the small inner container heating can satisfy the heat supply water speed, the heat utilization efficiency height, and energy-saving effect is remarkable, and the common electrical heating time can reduce over half, and promptly power consumption is also saved over half; With the hot water amount when big, big small inner container heats simultaneously, externally confess hot water by the hot-water line in the small inner container, hot water in the big inner bag replenishes hot water by long S hot-water line to small inner container, running water replenishes cold water by water inlet pipe to big inner bag, like this hot water in the small inner container all the time with big inner bag in cold water keep adiabatic and separate, both improved heat utilization efficiency, saved the round-the-clock use of the energy again, usually only can satisfy heat supply water with the small inner container heating, simultaneously because the little radiation loss of small inner container volume is little, so energy saving is still fairly obvious.

Owing to adopt the such scheme structure, use water heater regular with the hot water amount when little, the heat supply water speed is accelerated greatly, energy saving improves greatly, round-the-clock use energy-saving effect is also fairly obvious, and its structural change only adopts an inner bag to be divided into two inner bags of size, be communicated with by long S heat pipe therebetween, process structure is simple.

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

Fig. 1 is a kind of example structure schematic diagram of the utility model.

Fig. 2 is second embodiment schematic diagram of the utility model.

Fig. 3 is the 3rd embodiment schematic diagram of the utility model.

Fig. 4 is the 4th embodiment schematic diagram of the utility model.

Among the figure 1. big inner bag 2. small inner containers 3. hot-water lines 4. hot-water lines 5. blowoff valve pipes 6. water inlet pipes 7. from the beginning water valve 8. hot water valve 9. mix water valve 10. heat-insulating shields (general parts such as electric heating tube, temperature control omit)

In the embodiment shown in fig. 1, big inner bag (1), small inner container (2) are communicated with by long S type hot-water line (4), small inner container is connected in long S hot-water line lower end, big inner bag is connected in the upper end, connect the heat-insulating shield (10) that is full of insulation material therebetween, big small inner container can be distinguished independence, also can be separated by a long inner bag to form, hot-water line (3), blowoff valve pipe (5) stretch into from the bottom of small inner container, and water inlet pipe (6) is located at big inner bag bottom.After the water heating in the water heater, open mixed water valve (9) or hot water valve (8), by the hot-water line in the small inner container (3) to the hot water of going out, hot water in the big inner bag replenishes hot water by long S hot-water line to small inner container, water valve (7) often leaves from the beginning, replenish cold water by water inlet pipe to big inner bag, blowoff valve pipe (5) is normally closed, only opens when blowdown., only need with the small inner container heating when little with the hot water amount at ordinary times, the hot water in the small inner container is the time spent not, because of long S hot-water line has certain resistance, so keep static adiabatic separation with cold water in the big inner bag.

In second embodiment shown in Figure 2, big inner bag (1) and small inner container (2) are separated in a horizontal long inner bag by heat-insulating shield (10) and form, hot-water line (4) adopts rectangular sheet material to be pressed into semicircle pipe tubbiness and is welded on the heat-insulating shield of big inner bag side, the bottom of semicircle hot-water line is sealed inner chamber and is communicated with small inner container with the heat-insulating shield lower through-hole is identical, all the other structures are all identical with Fig. 1 structure, and the work use principle is also identical.

In the embodiment shown in fig. 3, its structure is to turn clockwise 90 ° to form vertical water heater on Fig. 2 structure.Small inner container (2) up, big inner bag (1) is upright down, separate by heat-insulating shield (10), heat-insulating shield has one to three through hole, through hole welding-on short circuit head hot-water line (4), hot-water line (3) passes big inner bag from the water heater bottom, the top in heat-insulating shield enters small inner container (2), and water inlet pipe (6) is located at the bottom of big inner bag.After the heating of water heater water, open mixed water valve (9), hot water enters to the hot water of going out from hot-water line (3) mouth of pipe of small inner container top, hot water in the big inner bag, replenish hot water by the short circuit head hot-water line (4) in the adiabatic plate hole to small inner container, water valve (7) replenishes cold water by water inlet pipe (6) to big inner bag from the beginning.

In the 4th embodiment shown in Figure 4, its structure is that hot-water line is shortened on Fig. 3 structure, and water inlet pipe changes length, and hot-water line (3) one ends are connected from the top and the small inner container of small inner container (2), and another termination is mixed water valve (9); Water inlet pipe (6) penetrates from the small inner container top through small inner container and heat-insulating shield (10) and extends to below in the big inner bag (2) always.Its heat supply water principle is to open mixed water valve, and hot water goes out hot water from small inner container top hot-water line, and the hot water of big inner bag replenishes hot water through the heat-insulating shield through hole to small inner container, and running water replenishes cold water by water inlet pipe (6) to big inner bag, forms upper water-out formula electric heater.

Claims

1, the utility model composite electric water heater is in the structural improvement of existing electric heater, it comprises inner bag, heating tube and heat-insulation layer, it is characterized in that small inner container of the compound increase of original structure, small inner container is on a left side, big inner bag is on the right side, between connecting, big small inner container is the insulation heat-insulating shield, long S hot-water line is arranged therebetween, the hot-water line end opening is communicated with small inner container, the big inner bag of connection suitable for reading, and big small inner container can be distinguished independence, also can be that a long inner bag is separated by heat-insulating shield and forms, big inner bag bottom is provided with water inlet pipe, and small inner container also is provided with electric heating tube and hot-water line, and the small inner container bottom also is provided with the blowoff valve pipe.

2, according to the described water heater of claim 1, it is characterized in that hot-water line adopts semicircle pipe tubbiness to be welded on the heat-insulating shield of big inner bag side, seal semicircle hot-water line bottom, and inner chamber and heat-insulating shield lower through-hole are communicated in small inner container.

3, according to the described water heater of claim 1, it is characterized in that said structure forms vertical structure through having turned clockwise 90 °, heat-insulating shield has one to three through hole, the through hole welding-on has source nipple, hot-water line passes big inner bag and heat-insulating shield from the water heater bottom, the top or the hot-water line that enter in the small inner container are shortened, one end is connected in small inner container from the small inner container top, another termination is mixed water valve, and water inlet pipe changes long penetrating from the small inner container top through small inner container and heat-insulating shield and extends to below in the big inner bag always.