CN212253184U

CN212253184U - Solar water heating system heat collection circulating water pump and heat supply circulating water pump alternate and mutual use system

Info

Publication number: CN212253184U
Application number: CN202020624774.2U
Authority: CN
Inventors: 刘华民
Original assignee: TIANJIN JINRUNTIAN SOLAR ENERGY TECHNOLOGY CO LTD
Current assignee: TIANJIN JINRUNTIAN SOLAR ENERGY TECHNOLOGY CO LTD
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-12-29
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses a solar water heating system thermal-arrest circulating water pump, heat supply circulating water pump are mutual system in turn relates to the solar water heating field, specifically includes the storage water tank, the top and the cold water supply tube coupling of storage water tank, the bottom of storage water tank and centrifugal water pump's input fixed connection, the inside bottom surface fixed mounting of storage water tank has first temperature sensor, centrifugal water pump's output and one side port fixed connection of electric three-way valve, electric three-way valve's middle part port and hot water supply tube coupling, electric three-way valve's opposite side port passes through the input fixed connection of pipeline with the heat collector, the output of heat collector passes through one side top fixed connection of pipeline with the storage water tank, install second temperature sensor in the pipeline between heat collector and the. The utility model discloses the time, the cost investment when having reduced solar water heating system production has effectively avoided frequently starting moreover and has closed the water pump and cause the consequence that the life of water pump shortens.

Description

Solar water heating system heat collection circulating water pump and heat supply circulating water pump alternate and mutual use system

Technical Field

The utility model relates to a solar water heating field specifically is a solar water heating system thermal-arrest circulating water pump, heat supply circulating water pump alternate system of using each other.

Background

The solar water heating system collects solar heat by using a solar heat collector, enables solar light energy to be fully converted into heat energy under the irradiation of sunlight, automatically controls functional components such as a circulating pump or an electromagnetic valve through a control system to transmit the heat collected by the system to a large water storage and heat preservation water tank, and heats water in the water storage and heat preservation water tank to form stable quantitative energy equipment by matching with equivalent energy sources such as electric power, gas, fuel oil and the like. The system can provide hot water for production and living, can also be used as a cold and heat source in other solar energy utilization forms, and is an application product which has the most economic value, the most mature technology and the commercialization in the application and development of solar heat energy.

The traditional solar water heating system consists of two pump sets, namely a heat collection circulating pump and a heat supply circulating pump, wherein the heat collection circulating pump and the heat supply circulating pump are used for starting the heat supply circulating pump when the heat collection circulating pump is circulated to reach a certain temperature rise, as shown in the attached drawing 1 of the specification, the heat collection circulating pump mainly comprises a heat collection water pump 1, a controller 2, a check valve 3, a water storage tank 4, a first temperature sensor 5, a hot water supply pump 6, a second temperature sensor 7 and a heat collector 8, and by adopting the one-use one-standby water pump circulation technology, the actual operation time of the water pump is only 4-5 hours per day, and meanwhile, the water pump is frequently started and closed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solar water heating system thermal-arrest circulating water pump, heat supply circulating water pump alternate interoperable system to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a solar water heating system thermal-arrest circulating water pump, heat supply circulating water pump are mutual system of using in turn, including centrifugal water pump, check valve, storage water tank, first temperature sensor, second temperature sensor, heat collector and electric three-way valve, the top and the cold water supply tube coupling of storage water tank, the bottom of storage water tank and centrifugal water pump's input fixed connection, the inside underrun bolt fixed mounting of storage water tank has first temperature sensor, centrifugal water pump's output and electric three-way valve's one side port fixed connection, electric three-way valve's middle part port and hot water supply tube coupling, electric three-way valve's opposite side port passes through the input fixed connection of pipeline and heat collector, the output of heat collector passes through one side top fixed connection of pipeline and storage water tank, install the second temperature sensor in.

As a further aspect of the present invention: and a check valve is fixedly arranged on the pipeline between the electric three-way valve and the heat collecting pipe.

As a further aspect of the present invention: the centrifugal water pump, the first temperature sensor, the second temperature sensor and the electric three-way valve are all electrically connected with an external controller.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an in the use, realize the function of thermal-arrest circulation and heat supply through a water pump, cost investment when having reduced solar water heating system production on the one hand has effectively avoided frequently starting and closing the water pump moreover and has caused the consequence that the life of water pump shortens, switches furthest's use water pump through simple pipeline, realizes the permanent steady operation of water pump.

Drawings

Fig. 1 is a schematic diagram of the prior art.

Fig. 2 is a schematic diagram of the present invention.

As shown in the figure: the device comprises a centrifugal water pump 1a, a check valve 3a, a water storage tank 4a, a first temperature sensor 5a, a second temperature sensor 7a, a heat collector 8a and an electric three-way valve 9.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 2, in an embodiment of the present invention, a solar water heating system heat collecting circulating water pump and heat supplying circulating water pump alternate and mutual use system includes a centrifugal water pump 1a, a check valve 3a, a water storage tank 4a, a first temperature sensor 5a, a second temperature sensor 7a, a heat collector 8a and an electric three-way valve 9, the top of the water storage tank 4a is connected to a cold water supply pipeline, the bottom of the water storage tank 4a is fixedly connected to an input end of the centrifugal water pump 1a, the centrifugal water pump 1a is selected as ISW80-160B and is powered by an external power source, the first temperature sensor 5a is fixedly installed on the bottom surface inside the water storage tank 4a through bolts, an output end of the centrifugal water pump 1a is fixedly connected to a port on one side of the electric three-way valve 9, a port on the middle of the electric three-way valve 9 is connected to a hot water supply, a check valve 3a is fixedly installed on a pipeline between the electric three-way valve 9 and the heat collecting pipe 8a, the electric three-way valve 9 is a Q914N model valve produced by Shanghai Jianqiao brand and is powered by an external power supply, the output end of the heat collector 8a is fixedly connected with the top of one side of the water storage tank 4a through a pipeline, a second temperature sensor 7a is installed in the pipeline between the heat collector 8a and the water storage tank 4a, water circulation is formed between the heat collector 8a and the water storage tank 4a through the centrifugal water pump 1a, so that water in the water storage tank 4a is heated, and the first temperature sensor 5a and the second temperature sensor 7a are PT100 model sensors produced by platinum electric technology limited;

it should be noted that the centrifugal water pump 1a, the first temperature sensor 5a, the second temperature sensor 7a and the electric three-way valve 9 are all electrically connected to an external controller, when in use, the first temperature sensor 5a detects the water temperature at the bottom of the water storage tank 4a, and the second temperature sensor 7a detects the water temperature in the pipeline between the heat collector 8a and the water storage tank 4a, under normal conditions, the centrifugal water pump 1 is always in a working state, when the temperature difference between the first temperature sensor 5a and the second temperature sensor 7a is smaller than a set value, the controller controls the centrifugal water pump 1a to stop working, when hot water is needed, the centrifugal water pump 1a is controlled to pump out the hot water, and simultaneously, the controller controls the flow direction of the electric three-way valve 9, and the hot water is discharged through a hot water supply pipeline for people to use.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention, and the following claims are therefore to be read in this light of the appended claims.

Claims

1. A solar water heating system heat collection circulating water pump and heat supply circulating water pump alternate and mutual use system comprises a centrifugal water pump (1a), a check valve (3a), a water storage tank (4a), a first temperature sensor (5a), a second temperature sensor (7a), a heat collector (8a) and an electric three-way valve (9), and is characterized in that the top of the water storage tank (4a) is connected with a cold water supply pipeline, the bottom of the water storage tank (4a) is fixedly connected with the input end of the centrifugal water pump (1a), the bottom inside the water storage tank (4a) is fixedly provided with the first temperature sensor (5a) through a bolt, the output end of the centrifugal water pump (1a) is fixedly connected with one side port of the electric three-way valve (9), the middle port of the electric three-way valve (9) is connected with a hot water supply pipeline, the other side port of the electric three-way valve (9) is, the output end of the heat collector (8a) is fixedly connected with the top of one side of the water storage tank (4a) through a pipeline, and a second temperature sensor (7a) is installed in the pipeline between the heat collector (8a) and the water storage tank (4 a).

2. The system for alternately using the heat collection circulating water pump and the heat supply circulating water pump of the solar water heating system according to claim 1, wherein a check valve (3a) is fixedly arranged on a pipeline between the electric three-way valve (9) and the heat collector (8 a).

3. The system for alternately using the heat collection circulating water pump and the heat supply circulating water pump of the solar water heating system according to claim 1, wherein the centrifugal water pump (1a), the first temperature sensor (5a), the second temperature sensor (7a) and the electric three-way valve (9) are electrically connected with an external controller.