CN202675676U - Photothermal flat double-sided heating instant heater - Google Patents

Abstract

The utility model discloses a two-sided heating type instant heater of light-heat type platykurtic, including the water heater casing, still including installing a plurality of light wave heating pipe in the water heater casing has installed a heat absorbing plate in the water heater casing at least, has set firmly on this heat absorbing plate and has carried out the heat transfer device of heat transfer with the heat absorbing plate, and heat transfer device installs the water inlet that stretches out from water heater casing lower part and the delivery port that stretches out from water heater casing upper portion, selective heat absorption coating coats on the heat absorbing plate surface. After the selective heat absorption coating absorbs the energy of light rays emitted by the optical wave heating pipe, the heat is conducted to the heat exchange device through the heat absorption plate to heat water in the heat exchange device, the heat efficiency is high, electric heating can be replaced, the safety and reliability are high, and the service life is long. The water heater has small volume, saves space when being installed, can process the shell of the water heater into a flat shape, is convenient to be flatly attached to a wall body for installation, and can be used as a water heater and an auxiliary heating device of a solar water heater.

Description

Photothermal flat double-sided heating instant heater

technical field

The utility model relates to a water heater, in particular to a heat-type flat double-sided heating plate that converts light energy into heat energy to heat water.

Background technique

Traditional water heaters are electric water heaters or gas water heaters. Electric water heaters use electricity to directly heat, which is prone to electric leakage and injury accidents, and has poor safety and reliability. Gas water heaters use coal gas, natural gas or liquefied petroleum gas as fuel for heating, and are also prone to gas poisoning, with poor safety and reliability. Moreover, the electric water heater or the gas water heater has a large volume, needs to occupy a large space during installation, and has low thermal efficiency.

In addition, solar water heaters mainly use solar energy to produce hot water, but at night or when the sun is not good, the hot water produced by solar water heaters may not be able to meet the needs of production and life. Connected to heat the water in the circulation pipeline to meet the needs of production and life, but the traditional auxiliary heating device has low thermal efficiency, cannot achieve water and electricity isolation, poor safety and reliability, and is easy to scale and has a short service life.

Utility model content

The purpose of this utility model is to overcome the above defects in the prior art, to provide a small volume, high thermal efficiency, can replace electric heating, high safety and reliability, long service life, can be used as a water heater, but also can be used as a solar water heater Photothermal type flat double-sided heating instant heater for auxiliary heating device.

In order to achieve the above purpose, the technical solution provided by the utility model is as follows: provide a photothermal flat double-sided heating type instant heater, which includes a water heater shell, and also includes several light wave heating At least one heat-absorbing plate is installed in the water heater shell, and the heat-absorbing plate is fixed with a heat exchange device for exchanging heat with the heat-absorbing plate. The heat exchange device is equipped with a water inlet protruding from the lower part of the water heater shell and a water outlet protruding from the upper part of the water heater housing.

The surface of the heat absorbing plate facing the light wave heating pipe is covered with a selective heat absorbing coating.

The water heater shell is flat.

The beneficial effect of the light-thermal flat double-sided heating instant heater described in the utility model is: by constructing a water heater shell, several light wave heating tubes in the water heater shell, at least one is installed in the water heater shell The heat-absorbing plate is fixed with a heat-exchanging device for exchanging heat with the heat-absorbing plate. The heat-exchanging device is equipped with a water inlet protruding from the lower part of the water heater shell and a At the water outlet, the surface of the heat-absorbing plate facing the light-wave heating tube is covered with a selective heat-absorbing coating. After the selective heat-absorbing coating absorbs the energy of the light emitted by the light-wave heating tube, the heat is transferred to the heat exchange device through the heat-absorbing plate Heating the water in the heat exchange device has high thermal efficiency, can replace electric heating, has high safety and reliability, and has a long service life. In addition, the combination of light wave heating tube, heat absorbing plate and heat exchange device is used to heat water. The water heater is small in size and saves space during installation. The shell of the water heater can be processed into a flat shape, which is convenient for installation with the wall. Body flat installation, beautiful appearance. It can be used not only as a water heater, but also as an auxiliary heating device for a solar water heater.

The photothermal flat double-sided heating instant heater described in the utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Description of drawings

Fig. 1 is the cross-sectional view of the photothermal type flat double-sided heating type instant heater described in the utility model;

Fig. 2 is A-A rotation enlarged sectional view of Fig. 1;

Fig. 3 is an enlarged view of the I place of Fig. 2 .

Detailed ways

The following are the best examples of the photothermal flat double-sided heating instant heater described in the utility model, which does not limit the scope of protection of the utility model.

Referring to Fig. 1, Fig. 2 and Fig. 3, a photothermal type flat double-sided heating instant heater is provided, which includes a water heater shell 1 and several light wave heating tubes installed in the water heater shell 1 2. At least one heat-absorbing plate 3 is installed in the water heater shell 1, and a heat-exchanging device 4 for exchanging heat with the heat-absorbing plate 3 is fixed on the heat-absorbing plate 3. The heat-exchanging device 4 is equipped with a The water inlet 5 protruding from the lower part of the body 1 and the water outlet 6 protruding from the upper part of the water heater shell 1, the surface of the heat absorbing plate 3 facing the light wave heating tube 2 is covered with a selective heat absorbing coating 7, which selectively absorbs heat. After the thermal coating 7 absorbs the energy of the light emitted by the light wave heating tube 2, the heat is transferred to the heat exchange device 4 through the heat absorbing plate 3 to heat the water in the heat exchange device 4, and the light wave heating tube 2, the heat absorbing plate 3 Combined with the heat exchange device 4 to heat the water, the processed water heater has a small volume and saves space during installation.

The water heater shell 1 is flat, and the water heater shell 1 is processed into a flat shape, which is convenient for installation and has a beautiful appearance.

The water heater shell 1 is equipped with several light wave heating tube fixing seats 10, and the two ends of the light wave heating tube 2 are respectively fixedly connected with the corresponding light wave heating tube fixing seats 10, and the water heater shell 1 is equipped with a A junction box 11 is connected, and the junction box 11 is electrically connected with the light wave heating tube 2 .

In this implementation, the water heater housing 1 is equipped with a first heat absorbing plate 3 and a second heat absorbing plate 8, the first heat absorbing plate 3 is located at the front of the light wave heating tube 2, and the second heat absorbing plate 8 is located at the front of the light wave heating tube 2. At the rear of the light wave heating tube 2, a heat exchange device 4 is respectively installed on the first heat absorbing plate 3 and the second heat absorbing plate 8. Make a selection.

The heat exchange device 4 is a serpentine tube heat exchanger, a tube-and-tube heat exchanger, etc., preferably a serpentine tube heat exchanger.

The water heater shell 1 is provided with an interlayer, and the interlayer is filled with insulation material 9, through which the water heater shell 1 is insulated, and the interlayer can also be vacuumed to form a vacuum insulation interlayer, and the water heater is vacuumed. Insulation is carried out in the housing 1 .

As the auxiliary heating device of the solar water heater, the photothermal type flat double-sided heating instant heater of the utility model only needs to connect the water inlet of the heat exchange device 4 of the photothermal flat double-sided heating instant heater 5 and the water outlet 6 can be connected to the circulation pipeline of the solar water heater.

The above-mentioned embodiment is a preferred implementation mode of the present utility model, but the implementation mode of the present utility model is not limited by the above-mentioned embodiment, and any other changes, modifications and substitutions made without departing from the spirit and principle of the present utility model , combination, and simplification, all should be equivalent replacement methods, and are all included in the protection scope of the present utility model.

Claims (8)

1. A light-thermal flat double-sided heating instant heater, comprising a water heater shell (1), characterized in that it also includes several light wave heating tubes installed in the water heater shell (1) ( 2), at least one heat absorbing plate (3) is installed in the water heater shell (1), and the heat absorbing plate (3) is fixed with a heat exchange device (4) for heat exchange with the heat absorbing plate (3), The heat exchange device (4) is equipped with a water inlet (5) protruding from the lower part of the water heater housing (1) and a water outlet (6) protruding from the upper part of the water heater housing (1). 2. The photothermal flat double-sided heating instant heater according to claim 1, characterized in that the surface of the heat absorbing plate (3) facing the light wave heating tube (2) is covered with selective heat absorbing coating (7). 3. The photothermal flat double-sided heating instant heater according to claim 1, characterized in that, the water heater shell (1) is equipped with a first heat absorbing plate (3) and a second heat absorbing plate plate (8), the first heat absorbing plate (3) is located at the front of the light wave heating tube (2), the second heat absorbing plate (8) is located at the rear of the light wave heating tube (2), the first heat absorbing plate (3) ) and the second heat absorbing plate (8) are respectively equipped with a heat exchange device (4). 4. The photothermal flat double-sided heating instant heat heater according to any one of claims 1 to 3, characterized in that the heat exchange device (4) is a serpentine tube heat exchanger or a row of tubes type heat exchanger. 5. The photothermal flat double-sided heating instant heater according to claim 4, characterized in that, the water heater shell (1) is provided with an interlayer, and the interlayer is filled with thermal insulation material (9) or Vacuumize the interlayer to form a vacuum insulation interlayer. 6. The photothermal flat double-sided heating instant heater according to claim 5, characterized in that the water heater shell (1) is flat. 7. The photothermal flat double-sided heating instant heater according to claim 1, characterized in that, the water heater shell (1) is equipped with several light-wave heating tube fixing seats (10), and the light-wave heating The two ends of the tube (2) are respectively fixedly connected with the corresponding light wave heating tube fixing seat (10). 8. The photothermal flat double-sided heating instant heater according to claim 1, characterized in that a junction box (11) for connecting to a power supply is installed on the water heater shell (1), and the The junction box (11) is electrically connected with the light wave heating tube (2).

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