CN2851985Y

CN2851985Y - Solar water heater

Info

Publication number: CN2851985Y
Application number: CN 200520116779
Authority: CN
Inventors: 刘彬
Original assignee: HANGZHOU JINHUI SOLAR ENERGY TECHNOLOGY DEVELOPMENT Co Ltd
Current assignee: HANGZHOU JINHUI SOLAR ENERGY TECHNOLOGY DEVELOPMENT Co Ltd
Priority date: 2005-11-29
Filing date: 2005-11-29
Publication date: 2006-12-27
Anticipated expiration: 2015-11-29

Abstract

The utility model relates to a solar water heater which comprises a water tank, a supporting frame, a cold water pipe and a hot water pipe, wherein the water tank is arranged on the supporting frame, a plurality of heat collecting pipes are arranged on the water tank and the water tank is connected with the cold water pipe and the hot water pipe. The water tank is composed of a main water tank and a water tank; the main water tank is provided with a through hole a, and the auxiliary water tank is provided with a through hole b; an electric heating rod is arranged in the auxiliary water tank; the through hole an on the main water tank is connected with the through hole b on the auxiliary water tank via a pipeline, and a valve is arranged on the pipeline. The solar water heater adopts the design of the main water tank and the auxiliary water tank, under the condition of sufficient illumination intensity, the main water tank and the auxiliary water tank can both absorb heat through the heat collecting pipe and water can be heated for use. under the condition of rainy weather or insufficient illumination intensity, the electric heating device in the auxiliary water tank can be started. The utility model has the advantages that the electric power consumption is little, the heating speed is high, users can feel convenient and the energy resource can be saved.

Description

A kind of solar water heater

Technical field

The utility model relates to a kind of solar water heater, specifically, is meant a kind of solar water heater with electric heating function.

Background technology

Along with constantly popularizing of solar water heater, to big capacity development (more than the 200L) is inexorable trend, under the enough situation of intensity of illumination, solar water heater can normally provide the hot water (about 55 ℃) that meets the life taste, but when overcast and rainy or illumination is not enough, need to adopt auxiliary mode of heating (electricity consumption is auxiliary usually) just can provide hot water, traditional mode of heating is the electric heater unit of placing in inner water tank about a 1.5KW.

With winter (the running water initial temperature is 8 ℃, and the hot water temperature is by 55 ℃) be example, adopt the solar water heater of 200L capacity, place an electric heater unit about 1.5KW within it, the heating required time is approximately 7.3 hours.This solar water heater is oversize heat time heating time, and power consumption is also too many.

If adopt the method that strengthens electrical heating power to shorten heat time heating time, then the sealing ring of electrical heating mouth (material is a silica gel) damages easily, and the user also needs the configure dedicated electric wire, and it is very inconvenient to use.And the water yield that consumes at needs is not for a long time, certainly will can cause energy waste yet.

Summary of the invention

The utility model has overcome shortcoming of the prior art, and a kind of rational in infrastructure, energy-conservation solar water heater is provided.

In order to solve the problems of the technologies described above, a kind of solar water heater of the present utility model comprises water tank, support, cold water pipe, hot-water line, and water tank is located on the support, water tank is provided with some thermal-collecting tubes, water tank links to each other with cold water pipe, hot-water line, and water tank is made up of main water box and secondary water tank, and main water box is provided with through hole a, secondary water tank is provided with through hole b, be provided with electrically heated rod in the secondary water tank, on the above-mentioned main water box on through hole a and the secondary water tank through hole b be connected by pipeline, pipeline is provided with valve.

Be connected with threeway between the through hole b of above-mentioned valve and secondary water tank, the other end of threeway links to each other with cold water pipe, hot-water line by another threeway.

Above-mentioned main water box is provided with water inlet, secondary water tank is provided with water inlet, and 2 water inlets link to each other with cold water pipe by pipeline, are connected with threeway between the through hole b of valve and secondary water tank, and the other end of threeway links to each other with hot-water line.

The horizontal installation site of the electrically heated rod in the above-mentioned secondary water tank should be lower than the position of through hole b.

Above-mentioned secondary water tank is provided with the blowdown delivery port.

Above-mentioned valve is a magnetic valve.

Above-mentioned thermal-collecting tube below is provided with reflecting plate, and reflecting plate is connected with support.

The top, two ends of above-mentioned water tank is provided with overflow pipe.

Compared with prior art, the beneficial effects of the utility model are: adopt the major-minor waterbox design, under the enough situation of intensity of illumination, the major-minor water tank can pass through thermal-collecting tube, absorbs heat, heating is used, under the situation of rainy weather or illumination deficiency, can open the electric heater unit in the secondary water tank, power consumption is little, firing rate is fast, make things convenient for the user, saved the energy again greatly.

Description of drawings

Fig. 1 is the perspective view of the utility model embodiment 1.

Fig. 2 is the perspective view of the utility model embodiment 2

The specific embodiment

The utility model is described in further detail with the specific embodiment below in conjunction with accompanying drawing 1, accompanying drawing 2:

Embodiment 1, and as shown in Figure 1, a kind of solar water heater is made up of water tank, thermal-collecting tube 2, reflecting plate 3, overflow pipe 9, electrically heated rod 10 and support 16.Wherein water tank is made up of main water box 4, secondary water tank 7, and is installed in the top of support 16.Between the tail-holder rack 1 of water tank and support 16, evenly be provided with 15 thermal-collecting tubes that are in tilted layout side by side 2, be used to absorb solar energy, below thermal-collecting tube 2 and be parallel to thermal-collecting tube 2, be fixed in support 16 and be provided with reflecting plate 3.

The volume of water tank is 200L, wherein the volume of main water box 4 is 140L, thereunder be provided with through hole a5, the volume of secondary water tank 7 is 60L, thereunder is provided with through hole b6, and through hole a5 is by valve 12 on the pipeline 11 on the main water box 4, be connected with through hole b6 on the secondary water tank 7 through threeway 13 again, the valve 12 here is a magnetic valve, and threeway 13 other ends link to each other with threeway 15, and the two ends in addition of threeway 15 link to each other with hot-water line 21 with cold water pipe 20 and hot water valve 14 through cold valves 19 respectively.

Secondary water tank 7 inner bottom parts are provided with electrically heated rod 10, are in dry-fire condition in order not make electrically heated rod 10, and the horizontal installation site of electrically heated rod 10 should be lower than the position of through hole b6 on the secondary water tank 7.Top, water tank two ends all is provided with overflow pipe 9, and when the water boiling of heating, hot gas plays scavenging action and spilling water effect when expanding, and secondary water tank 7 lower lefts are provided with blowdown delivery port 8, are used for the discharge of secondary water tank 7 sewage.

When opening cold valves 19, close hot water valve 14, when opening valve 12, cold water enters main water box 4 and secondary water tank 7 from cold water pipe 20 respectively through threeway 15, threeway 13, through hole a5, through hole b6.

Under the enough situation of intensity of illumination, to open valve 12, close cold valves 19, open hot water valve 14, the hot water in the major-minor water tank can flow out from hot-water line 21 and use for the user.Under the situation of rainy weather or sunlight deficiency, but valve-off 12 starts electrically heated rod 10, and the cold water in the secondary water tank 7 is heated, and uses for the user.

In present embodiment 1, through hole a5, through hole b6 have played the effect of the intake-outlet of major-minor water tank.

Embodiment 2, and as shown in Figure 2, a kind of solar water heater is made up of water tank, thermal-collecting tube 2, reflecting plate 3, overflow pipe 9, electrically heated rod 10 and support 16.Wherein water tank is made up of main water box 4, secondary water tank 7, and is installed in the top of support 16.Between water tank and support 16 tail-holder racks 1, evenly be provided with 15 thermal-collecting tubes that are in tilted layout side by side 2, be used to absorb solar energy, below thermal-collecting tube 2 and be parallel to thermal-collecting tube 2, be fixed in support 16 and be provided with reflecting plate 3.

The volume of water tank is 200L, wherein the volume of main water box 4 is 140L, thereunder be provided with through hole a5, the volume of secondary water tank 7 is 60L, thereunder be provided with through hole b6, through hole a5 is connected with through hole b6 on the secondary water tank 7 through threeway 13 by valve 12 on the pipeline 11 on the main water box 4, the valve 12 here is a magnetic valve, and threeway 13 other ends link to each other with hot-water line 21 through hot water valve 14.

Main water box 4 upsides are provided with water inlet 17, and secondary water tank 7 upsides are provided with water inlet 18, and water inlet 17 links to each other with cold water pipe 20 through cold valves 19 by pipeline with water inlet 18.

When opening cold valves 19, close hot water valve 14, when opening valve 12, cold water enters main water box 4 and secondary water tank 7 from cold water pipe 20 respectively through cold valves 19, water inlet 17, water inlet 18.

In present embodiment 2, through hole a5, through hole b6 have played the effect of the delivery port of major-minor water tank.

Adopt the solar water heater of the present embodiment, (the running water initial temperature is 8 ℃, and the hot water temperature is by 55 ℃) in the winter time, main water box 140L, the electric heater unit about secondary water tank 60L, 1 1.5KW, the electrical heating required time is approximately 2.2 hours.Shortened heat time heating time so greatly, the user is very easy to use.And can accomplish rational utilization of electricity, do not waste resource.

Claims

1. solar water heater, comprise water tank, support (16), cold water pipe (20), hot-water line (21), water tank is located on the support (16), water tank is provided with some thermal-collecting tubes (2), water tank and cold water pipe (20), hot-water line (21) links to each other, it is characterized in that water tank is made up of main water box (4) and secondary water tank (7), main water box (4) is provided with through hole a (5), secondary water tank (7) is provided with through hole b (6), be provided with electrically heated rod (10) in the secondary water tank (7), the last through hole a (5) of above-mentioned main water box (4) goes up through hole b (6) with secondary water tank (7) and is connected by pipeline (11), and pipeline is provided with valve (12).

2. a kind of solar water heater according to claim 1, it is characterized in that being connected with threeway (13) between the through hole b (6) of valve (12) and secondary water tank (7), the other end of threeway (13) links to each other with cold water pipe (20), hot-water line (21) by threeway (15).

3. a kind of solar water heater according to claim 1, it is characterized in that main water box (4) is provided with water inlet (17), secondary water tank (7) is provided with water inlet (18), water inlet (17) links to each other with cold water pipe (20) by pipeline with water inlet (18), be connected with threeway (13) between the through hole b (6) of valve (12) and secondary water tank (7), the other end of threeway (13) links to each other with hot-water line (21).

4. according to claim 1 or 2 or 3 described a kind of solar water heaters, it is characterized in that the horizontal installation site of the electrically heated rod (10) in the described secondary water tank (7) should be lower than the position of through hole b (6).

5. according to claim 1 or 2 or 3 described a kind of solar water heaters, it is characterized in that described secondary water tank (7) is provided with blowdown delivery port (8).

6. according to claim 1 or 2 or 3 described a kind of solar water heaters, it is characterized in that valve (12) is a magnetic valve.

7. according to claim 1 or 2 or 3 described a kind of solar water heaters, the thermal-collecting tube that it is characterized in that (2) below is provided with reflecting plate (3), and reflecting plate (3) is connected with support (16).

8. according to claim 1 or 2 or 3 described a kind of solar water heaters, it is characterized in that the top, two ends of water tank is provided with overflow pipe (9).