A kind of solar energy heating system
Technical field
It the utility model is related to a kind of solar energy heating system.
Background technology
With global energy situation growing tension, because oil, coal class excessively use and caused by global warming, the energy
Crisis has become a subject matter for restricting current social development.As a kind of new energy, solar energy has cleaning, side
Just it is, economical, safe and environment-friendly, the advantage such as inexhaustible, nexhaustible, it is a kind of internationally recognized preferable cleaning new energy, develops
Be an important channel solving current energy crisis using solar energy.
Solar energy heating system is widely used with the advantages that its cleaning, efficient, pollution-free and recyclability.I
State has advantageous water, soil, light, a thermal resource, year solar radiation amount it is huge.But in actual items implementation process, by
To the restriction of the condition such as weather and temperature, when water temperature is less than certain temperature in heating system yard piping, it is necessary to outdoor pipe
Road is heated, and prevents frost crack pipe.
When nocturnal temperature is too low, water temperature can decline to a great extent in the outdoor water pipe of solar energy heating system, when temperature is less than one
When constant temperature is spent, outdoor upper and lower water pipe freezes, and leads to not watering, and after freeze-off time has been grown, internal ice can be
Upper and lower waterpipe bursts.
Traditional solar energy heating system typically carries out circulating-heating using heat storage water tank to the section of tubing.This method meeting
Cause water tank temperature to reduce, influence client's use, especially when water tank is less than setting demand temperature, can also start heat storage water tank
Built-in high-power auxiliary electrical heater equipment heats to water tank, especially the night in winter in northern cold, can cause water tank
Interior high-power electric heating equipment frequent starting, energy consumption are larger.
Utility model content
The purpose of this utility model is the defects of overcoming prior art, there is provided a kind of solar energy heating system, in initial cost
Increase seldom in the case of, make a whole set of solar energy heating system more safety and comfortably save, effectively prevent yard piping due to
Temperature is too low and bursting by freezing.
Realizing the technical scheme of above-mentioned purpose is:A kind of solar energy heating system, including nocturnal temperature compensation device, heating
Hot water, outdoor circulating line and multiple solar heat-collection plates, the nocturnal temperature compensation device include the first magnetic valve, the
Two magnetic valves, small-power electrical auxiliary heater and Bypass hose, the outdoor circulating line include outdoor feed pipe and outdoor time
Water pipe, wherein:
The multiple solar heat-collection plate be sequentially communicated after by the outdoor circulating line and the heating hot water water tank
Circulation connection;
First magnetic valve is arranged on the Bypass hose;
The small-power electrical auxiliary heater and second solenoid valve are set successively along the water (flow) direction in the outdoor feed pipe
Put on the outdoor feed pipe;
The outdoor feed pipe is connected with outdoor return pipe by the Bypass hose, and the Bypass hose and outdoor confession
The connection end of water pipe is between the small-power electrical auxiliary heater and second solenoid valve;
Thermometer and corresponding valve, the outdoor backwater are respectively arranged with the outdoor feed pipe and outdoor return pipe
Heating circulation pump is additionally provided with pipe;
The heating hot water water tank by indoor circulation pipeline heating, be provided with the indoor circulation pipeline thermometer,
Heating hot water circulating pump and corresponding valve;
Temperature sensor is provided with the heating hot water water tank.
A kind of above-mentioned solar energy heating system, wherein, when coolant-temperature gage is higher than the heating in the solar heat-collection plate
Coolant-temperature gage in hot water, and when both temperature difference are more than 2 DEG C, the second solenoid valve is opened, and the first closed electromagnetic valve is described
Heating circulation pump startup, after the solar heat-collection plate heat absorption, the heating hot water water tank is transferred heat to by water circulation;
When the temperature difference of coolant-temperature gage in coolant-temperature gage in the solar heat-collection plate and the heating hot water water tank is less than 2 DEG C,
The heating circulation pump is closed, and first magnetic valve and second solenoid valve are closed.
A kind of above-mentioned solar energy heating system, wherein, when the coolant-temperature gage in the outdoor circulating line is less than 5 DEG C,
The second solenoid valve is closed, and the first magnetic valve is opened, and the small-power electrical auxiliary heater starts, and the heating circulation pump opens
It is dynamic, heat supply is carried out to the outdoor circulating line, realizes outdoor circulating line antifreeze function;
When the coolant-temperature gage in the outdoor circulating line is more than or equal to 10 DEG C, the heating circulation pump stops, described
Small-power electrical auxiliary heater stops, and first magnetic valve and second solenoid valve are closed.
Solar energy heating system of the present utility model, nocturnal temperature compensation device is added, by the switching of magnetic valve,
While ensureing indoor heat demand, pass through heating circulation pump, the first magnetic valve, second solenoid valve and small-power auxiliary electrical heater
Device, the part outdoor circulating line is carried out circulating micro- heating, after reaching assigned temperature, small-power auxiliary electrical heater and heating follow
Ring pump is out of service, do not influence user use while, reduce energy consumption and expense, preferably reach it is energy-efficient with it is green
Environmental protection.Solar energy heating system of the present utility model, in the case of initial cost increase seldom, make a whole set of solar energy heating system
More safety and comfortably save, effectively prevent yard piping due to temperature is too low and bursting by freezing.
Brief description of the drawings
Fig. 1 is the structural representation of solar energy heating system of the present utility model.
Embodiment
In order that those skilled in the art are better understood when the technical solution of the utility model, with reference to attached
Its embodiment is described in detail figure:
Referring to Fig. 1, most preferred embodiment of the present utility model, a kind of solar energy heating system, including nocturnal temperature compensation
Device 20, heating hot water water tank 4, outdoor circulating line and multiple solar heat-collection plates 5, nocturnal temperature compensation device 20 include the
Circulating line includes outdoor water supply outside one magnetic valve 1, second solenoid valve 2, small-power electrical auxiliary heater 3 and the Room of Bypass hose 31
Pipe 51 and outdoor return pipe 52.
Multiple solar heat-collection plates 5 are connected after being sequentially communicated by outdoor circulating line with the circulation of heating hot water water tank 4, the
One magnetic valve 1 is arranged on Bypass hose 31;Small-power electrical auxiliary heater 3 and second solenoid valve 2 are along outdoor feed pipe 51
Water (flow) direction be successively set on outdoor feed pipe 51;Outdoor feed pipe 51 and outdoor return pipe 52 are connected by Bypass hose 31
It is logical, and the connection end a of Bypass hose 31 and outdoor feed pipe 51 be located at small-power electrical auxiliary heater 3 and second solenoid valve 2 it
Between.
Thermometer 8 and corresponding valve 9, outdoor return pipe are respectively arranged with outdoor feed pipe 51 and outdoor return pipe 52
Heating circulation pump 6 is additionally provided with 51;Heating hot water water tank 4 is by the heat supply of indoor circulation pipeline 41, on indoor circulation pipeline 41
It is provided with thermometer 8, heating hot water circulating pump 7 and corresponding valve;Temperature sensor 10 is provided with heating hot water water tank 4.
A kind of solar energy heating system of the present utility model, operation principle are:
(1) when coolant-temperature gage is higher than coolant-temperature gage in heating hot water water tank 4 in solar heat-collection plate 5, and both temperature difference are more than 2
DEG C when, second solenoid valve 2 is opened, and the first magnetic valve 1 is closed, and heating circulation pump 6 starts, solar heat-collection plate 5 absorb heat after, pass through
Water circulation transfers heat to heating hot water water tank 4;When water temperature in coolant-temperature gage in solar heat-collection plate 5 and heating hot water water tank 4
When the temperature difference of degree is less than 2 DEG C, heating circulation pump 6 is closed, and the first magnetic valve 1 and second solenoid valve 2 are closed;
(2) when the coolant-temperature gage in outdoor circulating line is less than 5 DEG C, second solenoid valve 2 is closed, and the first magnetic valve 1 is opened,
Small-power electrical auxiliary heater 3 starts, and heating circulation pump 6 starts, and small-power electrical auxiliary heater 3 is carried out to outdoor circulating line
Heat supply, realize outdoor circulating line antifreeze function;When the coolant-temperature gage in outdoor circulating line is more than or equal to 10 DEG C, heating follows
Ring pump 6 stops, and small-power electrical auxiliary heater 3 stops, and the first magnetic valve 1 and second solenoid valve 2 are closed.
Solar energy heating system of the present utility model, nocturnal temperature compensation device is added, by the switching of electromagnetic valve,
Make the antifreeze heating two systems of indoor end hot water and outdoor circulating line independently.Traditional solar energy heating system leads to
Cross after increasing a set of nocturnal temperature compensation device of the present utility model, when water temperature is too low in night in winter yard piping, pass through
Temperature sensor, switching solenoid valve door, start heating circulation pump and small-power electrical auxiliary heater, outdoor circulating line is carried out
Micro- heating is circulated, makes a whole set of solar energy heating system more safety and environmental protection and energy saving.At the night of cold, heating heat is not being consumed
While the energy of water tank 4, indoor stable heating can be kept, and can effectively prevents that water temperature is too low in outdoor circulating line
And freeze, cause frost crack pipe.
In summary, solar energy heating system of the present utility model, in the case of initial cost increase seldom, the whole series are made too
It is positive can heating system more safety simultaneously comfortably saves, effectively prevent yard piping due to temperature is too low and bursting by freezing.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to illustrate that this practicality is new
Type, and be not used as to restriction of the present utility model, as long as in spirit of the present utility model, to described above
Change, the modification of embodiment will all fall in Claims scope of the present utility model.