阅读说明：本技术 一种太阳能热水系统 (Solar water heating system ) 是由 刘景� 于 2018-06-07 设计创作，主要内容包括：本发明涉及太阳能技术领域,具体涉及一种太阳能热水系统,包括水箱与集热器,所述水箱与集热器通过管道进行连接,在水箱内设置有防冻盘管换热器,所述集热器为陶瓷太阳能集热器。本发明所公开的一种太阳能热水系统,采用陶瓷太阳能集热器模块进行热源采集、在水箱设置防冻盘管换热器以及独特的定温闭路循环换热技术,使太阳能热水系统具有全天候四季可以使用,不怕冻、不炸管,与建筑同寿命等诸多优点。(The invention relates to the technical field of solar energy, in particular to a solar water heating system which comprises a water tank and a heat collector, wherein the water tank is connected with the heat collector through a pipeline, an anti-freezing coil heat exchanger is arranged in the water tank, and the heat collector is a ceramic solar heat collector. The solar water heating system disclosed by the invention adopts the ceramic solar heat collector module to collect a heat source, the water tank is provided with the anti-freezing coil pipe heat exchanger and a unique constant-temperature closed-loop circulation heat exchange technology, so that the solar water heating system has the advantages of being capable of being used in all seasons, being not afraid of freezing and pipe explosion, having the same service life with a building and the like.)

1. The utility model provides a solar water heating system, includes water tank and heat collector, the water tank passes through the pipeline with the heat collector and is connected its characterized in that: an anti-freezing coil heat exchanger is arranged in the water tank, and the heat collector is a ceramic solar heat collector.

2. A solar water heating system according to claim 1, wherein: the pipeline comprises an upper water pipe and a lower water pipe, the water inlet end of the upper water pipe is connected with an upper collecting pipe of the heat collector, the water outlet end of the upper water pipe is connected with a first end of a coil heat exchanger of the water tank, the water inlet end of the lower water pipe is connected with a second end of the coil heat exchanger, and the water outlet end of the lower water pipe is connected with a lower collecting pipe of the heat collector.

3. A solar water heating system according to claim 1, wherein: the temperature control device further comprises a temperature controller, wherein the temperature controller comprises a first temperature probe and a second temperature probe, the first temperature probe is arranged at the end of the upper collecting pipe, and the second temperature probe is arranged inside the water tank.

4. A solar water heating system according to claim 3, wherein: the expansion tank and the circulating pump are arranged on the water outlet pipe.

5. A solar water heating system according to claim 4, wherein: the temperature controller is a microcomputer temperature controller, and the microcomputer temperature controller is connected with the circulating pump.

6. A solar water heating system according to claim 1, wherein: also comprises a supplementary heating device.

7. A solar water heating system according to claim 6, wherein: the supplementary heating device is an electric heating device.

8. A solar water heating system according to claim 1, wherein: the water tank is a pressure-bearing water tank, and a heat-insulating layer is arranged outside the water tank.

Technical Field

The invention relates to the technical field of solar energy, in particular to a solar water heating system.

Background

At present, various chemical resources are frequently urgent, and in order to enable the sustainable development of the human society, the application of the inexhaustible, clean and pollution-free renewable resource, namely solar energy, to heating and domestic water in buildings is an urgent matter and is also an effective way for ensuring the sustainable development of the human society.

The solar water heater is a device for converting solar energy into heat energy, and heats water from low temperature to high temperature so as to meet the requirement of hot water in life and production of people. However, the existing solar water heater has unreasonable design structure, poor freezing resistance and poor thermal cycle temperature control performance, and cannot be used all weather at all seasons.

Disclosure of Invention

In order to solve the problems in the prior art, the invention provides a solar water heating system with a reasonable design structure.

The technical effects of the invention are realized by the following technical scheme:

a solar water heating system comprises a water tank and a heat collector, wherein the water tank is connected with the heat collector through a pipeline, an anti-freezing coil heat exchanger is arranged in the water tank, and the heat collector is a ceramic solar heat collector.

The pipeline comprises an upper water pipe and a lower water pipe, the water inlet end of the upper water pipe is connected with an upper collecting pipe of the heat collector, the water outlet end of the upper water pipe is connected with a first end of a coil heat exchanger of the water tank, the water inlet end of the lower water pipe is connected with a second end of the coil heat exchanger, and the water outlet end of the lower water pipe is connected with a lower collecting pipe of the heat collector.

The temperature control device comprises a water tank, a water tank and a temperature controller, wherein the temperature controller comprises a first temperature probe and a second temperature probe, the first temperature probe is arranged at the end of an upper collecting pipe, and the second temperature probe is arranged in the water tank.

The sewage treatment device further comprises an expansion tank and a circulating pump, wherein the expansion tank and the circulating pump are arranged on the sewer pipe.

Wherein the temperature controller is a microcomputer temperature controller, and the microcomputer temperature controller is connected with the circulating pump.

Wherein, also comprises a supplementary heating device.

Wherein the supplementary heating device is an electric heating device.

The water tank is a pressure-bearing water tank, and a heat insulation layer is arranged outside the water tank.

Specifically, the solar water heating system adopts a constant temperature circulation mode, and a heat collector and a water tank are connected by a pipeline, an expansion tank and a micro circulating pump to form a closed heat exchange system. Through the microcomputer temperature controller, when the heat transfer medium in the ceramic heat collector reaches the set temperature, the micro pump is started to exchange heat in the water tank until the hot water in the water tank reaches the designed temperature. When no sun exists and hot water is needed, the electric heating device is started, and the controller controls the electric heating system. The pressure-bearing type heat-insulating water tank adopts a stainless steel or ceramic inner container and adopts a water jacking mode, and the water tank has pressure-bearing capacity and takes an electric heating mode as a supplementary energy source; the outer layer of the water tank is provided with a heat insulation material of 5 cm, so that the water temperature of the water tank is ensured to be reduced within 2 ℃ within 24 hours, and hot water with the temperature of more than 45 ℃ is provided for 24 hours all day. The coil heat exchanger is arranged in the water tank, and antifreeze medium circulates in the coil to bring heat energy obtained by the heat collector into the water tank to exchange heat with water. The heat collector is installed on a balcony or a south wall, can not be frozen and cracked in winter, and the circulating water pipe is also frost-resistant. The water heating system is used all the day.

The invention has the beneficial effects that:

the solar water heating system disclosed by the invention adopts the ceramic solar heat collector module to collect a heat source, the water tank is provided with the anti-freezing coil pipe heat exchanger and a unique constant-temperature closed-loop circulation heat exchange technology, so that the solar water heating system has the advantages of being capable of being used in all seasons, being not afraid of freezing and pipe explosion, having the same service life with a building and the like.

Drawings

Fig. 1 is a schematic structural diagram of a solar water heating system disclosed by the invention.

Wherein: 1-a water tank, 2-an insulating layer, 3-a coil heat exchanger, 4-a ceramic heat collector, 5-an upper collecting pipe, 6-a lower collecting pipe, 7-a temperature controller, 8-a first temperature measuring probe, 9-a second temperature measuring probe, 10-a circulating pump, 11-an expansion tank, 12-an upper water pipe and 13-a lower water pipe.

Detailed Description

As shown in fig. 1, the solar water heating system comprises a water tank 1, wherein the water tank 1 is a pressure-bearing type heat preservation water tank, and a heat preservation layer 2 is arranged on the outer layer of the water tank 1. A coil heat exchanger 3 is arranged in the water tank 1, and an anti-freezing medium is injected into the coil heat exchanger 3.

The solar water heating system further comprises a heat collector 4, the heat collector is a ceramic solar heat collector, the water tank 1 is connected with the heat collector 4 through a pipeline, an anti-freezing coil heat exchanger 3 is arranged in the water tank 1, and the heat collector 4 is a ceramic solar heat collector. An upper collecting pipe 5 and a lower collecting pipe 6 are arranged at two ends of the ceramic heat collector 4, and the coil heat exchanger 3 in the water tank 1 is connected with the ceramic heat collector 4 through a pipeline. The pipeline comprises an upper water pipe 12 and a lower water pipe 13, the water inlet end of the upper water pipe 12 is connected with an upper collecting pipe 5 of the heat collector 4, the water outlet end of the upper water pipe 12 is connected with the upper end of a coil heat exchanger 3 in the water tank 1, the water inlet end of the lower water pipe 13 is connected with the lower end of the coil heat exchanger 3, and the water outlet end of the lower water pipe 13 is connected with a lower collecting pipe 6 of the heat collector 4. An expansion tank 11 and a circulating pump 10 are further arranged on the water outlet pipe 13, and the circulating pump 10 is a micro solar special circulating pump.

The solar water heating system further comprises a temperature controller 7, the temperature controller 7 is a microcomputer temperature controller, and the microcomputer temperature controller 7 is connected with the circulating pump 10. The temperature controller 7 comprises a first temperature probe 8 and a second temperature probe 9, the first temperature probe 8 is arranged at the end of the upper collecting pipe 5, and the second temperature probe 9 is arranged inside the water tank 1.

The solar water heating system further comprises a supplementary heating device which is an electric heating device.

The solar water heating system adopts a constant temperature circulation mode, and a heat collector 4 and a water tank 1 are connected by a pipeline, an expansion tank 10 and a micro circulating pump 10 to form a closed heat exchange system. The whole system is controlled by the microcomputer temperature controller 7, the operation can be controlled only by setting the temperature difference value between the first temperature probe 8 and the second temperature probe 9, the operation can be controlled simply, the operation can be effectively carried out only when the temperature of the ceramic heat collector 4 is higher than that of the water tank 1 and reaches the set temperature difference value, the operation is stopped when the two temperatures are equal or close to each other, and the temperature difference control mode can ensure that heat energy is timely and effectively exchanged and can prevent heat backflow loss. When the heat transfer medium in the ceramic heat collector 4 reaches a set temperature, the circulating pump 10 is started to exchange heat in the water tank 1 until the hot water in the water tank 1 reaches a designed temperature. When no sun exists and hot water is needed, the electric heating device is started, and the controller controls the electric heating system. The pressure-bearing type heat-preservation water tank 1 adopts a stainless steel or ceramic inner container and adopts a water jacking mode, and the water tank 1 has pressure-bearing capacity and takes an electric heating mode as a supplementary energy source; the outer layer of the water tank 1 is provided with a 5 cm heat insulation layer 2, so that the water temperature of the water tank is ensured to be reduced within 2 ℃ within 24 hours, and hot water with the temperature of more than 45 ℃ is provided for 24 hours all day. The coil heat exchanger 3 is arranged in the water tank, and antifreeze media circulate in the coil to bring heat energy obtained by the heat collector 4 into the water tank to exchange heat with water. The heat collector is installed on a balcony or a south wall, can not be frozen and cracked in winter, and the circulating water pipe is also frost-resistant. The water heating system is used all the day.