CN205299903U - Electric water heater with high heating efficiency - Google Patents

Abstract

The utility model discloses an electric water heater with high heating efficiency, which comprises an outer casing, an electric heating module, a cold water inlet pipe and a hot water outlet pipe, a sealed insulation tank is arranged in the outer casing, and a coil is arranged in the sealed insulation tank. It is composed of a water conveying heating pipe, a heat insulating layer and an insulating heat conducting layer. The insulating heat conducting layer is arranged on the outer layer of the water conveying heating pipe, and the heat insulating insulating layer is arranged on the outer layer of the insulating heat conducting layer. An electric heating wire is wound between them, and the electric heating wire is electrically connected to the electric heating module. One end of the water delivery heating pipe is connected to the cold water inlet pipe through a pipe sealing connector, and the other end of the water delivery heating pipe is connected to the heat outlet through a pipe sealing connector. Water connection. Compared with the prior art, the utility model uses the electric heating wire to heat the water in the pipeline, and the arranged heating area is wider, which greatly improves the heating efficiency, saves electric energy, and reduces the user's use cost.

Description

Electric water heater with high heating efficiency

technical field

The utility model relates to the technical field of water heaters, in particular to an electric water heater with high heating efficiency.

Background technique

With the improvement of people's living standards, people's requirements for comfort in family life are getting higher and higher, so water heaters have become a must-have household appliance in contemporary families. Water heaters are generally divided into gas water heaters and electric water heaters. Electric water heaters are widely used in various families because of their convenience. Existing electric heaters are generally equipped with an inner container for holding water, and the incoming water is mainly heated through the heating tube in the inner container. This heating structure has low efficiency, high cost of use, and a large amount of electric energy will be wasted. .

Utility model content

The purpose of this utility model is to provide an electric water heater with high heating efficiency in order to solve the above problems.

The utility model realizes above-mentioned purpose through following technical scheme:

An electric water heater with high heating efficiency, comprising an outer casing, an electric heating module, a cold water inlet pipe and a hot water outlet pipe, the outer casing is provided with a sealed insulation tank, the sealed insulation tank is provided with a coil, and the coil The pipe is composed of a water delivery heating pipe, a thermal insulation layer and an insulation and heat conduction layer, the insulation and heat conduction layer is arranged on the outer layer of the water delivery heating pipe, and the heat insulation insulation layer is arranged on the outer layer of the insulation and heat conduction layer , an electric heating wire is wound between the heat-insulating insulating layer and the insulating and heat-conducting layer, the electric heating wire is electrically connected to the electric heating module, and one end of the water delivery heating pipe is connected to the heating pipe through a pipe sealing connector. The cold water inlet pipe is connected, and the other end of the water delivery heating pipe is connected with the hot water outlet pipe through a pipe seal connector.

The water delivery heating pipe is mainly used to enter cold water and discharge hot water, the sealed insulation tank is used to prevent the heat loss of the water delivery heating pipe, and the heat insulation layer is used to prevent the heat loss of the water delivery heating pipe and to make the electric heating wire and the external environment Insulated and separated, the insulating and heat-conducting layer is used to insulate and separate the electric heating wire from the water conveying heating pipe, and conduct heat to the water conveying heating pipe. The electric heating wire is turned on and heated through the electric heating module, and the pipe seal connector It not only plays the role of connection, but also ensures that the connection is completely sealed, and no water will overflow, so as to avoid conduction.

Preferably, the two connecting ends of the heat insulating insulating layer, the insulating heat conducting layer and the water delivery heating pipe are all provided with insulating sealing heads, and the insulating sealing heads can connect the heat insulating insulating layer and the insulating heat conducting layer from the end faces. The electric heating wire between them is insulated and sealed.

Preferably, a round hole is provided on the heat insulating layer, and the electric heating wire penetrates through the round hole and is evenly wound on the insulating and heat conducting layer.

Preferably, the insulating and heat-conducting layer is provided with a spiral clamping groove, and the electric heating wire is clamped in the spiral clamping groove of the insulating and heat-conducting layer. This structure can maximize the effectiveness of the electric heating wire, increase the contact area, and improve Thermal efficiency.

Preferably, the junction between the cold water inlet pipe and the sealed insulation tank, and the junction between the hot water outlet pipe and the sealed insulation tank are all provided with a heat-insulating sealing plate, which can prevent the inside of the sealed insulation tank from of heat is lost from the junction.

The beneficial effects of the utility model are:

Compared with the prior art, the utility model uses the electric heating wire to heat the water in the pipeline, and the arranged heating area is wider, which greatly improves the heating efficiency, saves electric energy, and reduces the user's use cost.

Description of drawings

Fig. 1 is the structural representation of the electric water heater with high heating efficiency described in the utility model;

Fig. 2 is a partial structural schematic diagram of the coil described in the utility model;

In the figure: 1-outer shell, 2-sealed insulation tank, 3-coil, 31-insulation layer, 32-insulation and heat conduction layer, 33-water delivery heating pipe, 4-round hole, 5-electric heating wire, 6-insulation sealing head, 7-cold water inlet pipe, 8-heat insulation sealing plate, 9-pipe sealing connector, 10-hot water outlet pipe.

detailed description

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1 and 2, the utility model includes an outer shell 1, an electric heating module, a cold water inlet pipe 7 and a hot water outlet pipe 10. The outer shell 1 is provided with a sealed insulation tank 2, and the sealed insulation tank 2 is provided with a disc The pipe 3 and the coil pipe 3 are composed of a water conveying heating pipe 33, a thermal insulation layer 31 and an insulating heat conducting layer 32. The insulating heat conducting layer 32 is arranged on the outer layer of the water conveying heating pipe 33, and the heat insulating insulating layer 31 is arranged on the insulating heat conducting layer. 32, an electric heating wire 5 is wound between the heat insulating insulating layer 31 and the insulating heat conducting layer 32, and the electric heating wire 5 is electrically connected to the electric heating module, and one end of the water delivery heating pipe 33 is connected to the cooling pipe through the pipe sealing connector 9. The water inlet pipe 7 is connected, and the other end of the water delivery heating pipe 33 is connected with the hot water outlet pipe 10 through the pipe sealing connector 9 .

In this embodiment, the insulating sealing heads 6 are all provided at the two connecting ends of the heat insulating and insulating layer 31 , the insulating and heat conducting layer 32 and the water delivery heating pipe 33 . A round hole 4 is provided on the heat insulating layer 31 , and the electric heating wire 5 penetrates into the round hole 4 and is evenly wound on the insulating and heat conducting layer 32 . The insulating and heat-conducting layer 32 is provided with a spiral clamping groove, and the electric heating wire 5 is clamped in the spiral clamping groove of the insulating and heat-conducting layer 32 . The joints between the cold water inlet pipe 7 and the sealed insulation tank 2 and the joints between the hot water outlet pipe 10 and the sealed insulation tank 2 are all provided with heat-insulating sealing plates 8 .

The electric water heater with high heating efficiency described in the utility model, when working, cold water enters the water delivery heating pipe 33 from the cold water inlet pipe 7, and at the same time, the electric heating module is connected to the power supply of the electric heating wire 5, and the electric heating wire 5 A large amount of heat is generated, and the heat is transferred to the water delivery heating pipe 33 through the insulating and heat-conducting layer 32, thereby heating the cold water. The longer the length of the whole coil 3, the higher the heatable temperature of the water. Finally, the hot water is discharged from the hot water outlet pipe 10 for use by users. When the electric heating wire 5 is working, the heat insulation insulation layer 31, the insulation heat conduction layer 32, and the insulation sealing head have all played a good insulating and sealing effect, and have absolutely high safety performance, while the sealed insulation tank 2, the heat insulation insulation layer 31 and the heat insulation sealing plate 8 have played a very good heat preservation effect, which can prevent the heat loss of hot water, so the whole structure has extremely high heating efficiency. Compared with the prior art, the same heating power can achieve better heating Effect.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (5)

1. one kind has the electric water heater of high heating efficiency, comprise body skin, electrically heated module, cold water inlet pipe and hot rising pipe, it is characterized in that: in described body skin, be provided with sealing thermal insulation tank, described sealing thermal insulation tank is provided with coil pipe, described coil pipe carries heating tube by water, heat-insulating layer and thermal insulation layer are formed, described thermal insulation layer is arranged in the skin of described water conveying heating tube, described heat-insulating layer is arranged in the skin of described thermal insulation layer, it is wound with electrical heating wire between described heat-insulating layer and described thermal insulation layer, described electrical heating wire is electrically connected with described electrically heated module, one end of described water conveying heating tube is connected with described cold water inlet pipe by sealing connector for pipeline, the other end of described water conveying heating tube is connected with described hot rising pipe by sealing connector for pipeline.

2. the electric water heater with high heating efficiency according to claim 1, it is characterised in that: two of described heat-insulating layer, described thermal insulation layer and described water conveying heating tube are connected end and are provided with insulated enclosure head.

3. the electric water heater with high heating efficiency according to claim 1, it is characterised in that: described heat-insulating layer is provided with circular hole, described electrical heating wire wear described circular hole and uniform winding on described thermal insulation layer.

4. the electric water heater with high heating efficiency according to claim 3, it is characterised in that: described thermal insulation layer is provided with spiral channel, and described electrical heating wire is stuck in the spiral channel of described thermal insulation layer.

5. the electric water heater with high heating efficiency according to claim 1, it is characterised in that: the convergence part of the convergence part of described cold water inlet pipe and described sealing thermal insulation tank, described hot rising pipe and described sealing thermal insulation tank is provided with heat-insulating and sealing plate.