CN203131957U - Solar energy floor heating system for civil use - Google Patents

Solar energy floor heating system for civil use Download PDF

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Publication number
CN203131957U
CN203131957U CN 201320143882 CN201320143882U CN203131957U CN 203131957 U CN203131957 U CN 203131957U CN 201320143882 CN201320143882 CN 201320143882 CN 201320143882 U CN201320143882 U CN 201320143882U CN 203131957 U CN203131957 U CN 203131957U
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heat
accumulation
pond
water
pipe
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CN 201320143882
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冯忠一
邵承国
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冯忠一
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Abstract

The utility model provides a solar energy floor heating system for civil use, comprising a solar energy heat collecting system and a floor heating circulating system. The technical keys are that a heat storage tank is arranged between the solar energy heat collecting control system and the floor heating circulating system; the solar energy floor heating system also comprises a domestic water system and an auxiliary heating system; the solar energy floor heating system can realize control according to different layers, different regions and different rooms; and two-temperature display is realized. All circulating systems are subjected to network monitoring through a control center assembly, the problems that the solar energy floor heating system for civil use in the prior art is narrow in application scope, difficult in automation realization and poor in heating effect are solved; and temperature difference in heat collecting circulating pipelines is reduced, local temperature is prevented from being too high, and the pipeline burst is avoided.

Description

Civil solar geothermal heating system
Technical field
The utility model belongs to solar energy circulation heating system, is a kind of civil solar geothermal heating system specifically.
Background technology
As everyone knows, solar energy is the inexhaustible energy.The type society that advocating thriftiness of country, energy savings is current topmost topic.Therefore, the utilization of solar energy will progressively solve energy problem in short supply day by day.Solar radiant floor heating is called for short the solar energy floor heating, be a kind of with the solar energy gathered as thermal source, by the system that heats in the coil pipe heating ground that is laid in the floor, be solar energy as thermal source and the floor heating combination as end, be a kind of heating system of novel green.
At present, the heating system in the people family in use, general whole day opening power all, in order to can use hot water at any time, in this process, the heater waste much electricity of working repeatedly.In addition, some users are in order to save electric energy, usually close the power supply of heating system, connect power supply during use again, but heating system is from connecting power supply to using the time that also needs about half an hour, so could use after all needing to wait half an hour, when the user need use hot water or heating, bring great inconvenience to the user at every turn at once.
Antifreeze at cold district is difficult problem, and freezing season all will be done a little loaded down with trivial details attended operations and be stopped using when arriving, and when not enough at sunshine, is difficult to provide hot water, as runs into weather such as cloudy, mist and be difficult to guarantee its operate as normal.In addition, the sunshine-duration in winter lacks and also can't satisfy daily user demand.
Summary of the invention
The purpose of this utility model provides a kind of civil solar geothermal heating system, to solve civil solar geothermal heating system narrow application range in the prior art, to be difficult to realize problems such as automation, heating effect difference.
The purpose of this utility model is achieved through the following technical solutions: it comprises solar thermal collection system, the ground heat circulating system, it is characterized in that: be provided with accumulation of heat pond C between described solar energy heating control system and the ground heat circulating system, the thermal cycle of solar thermal collection system is begun by accumulation of heat pond C, successively through returning accumulation of heat pond C behind heat-collecting pump B2, the solar energy heat collection pipe JR; Wherein the water side of solar energy heat collection pipe JR is provided with solar energy heat collection pipe temperature sensor T1, be provided with non-return valve NF between heat-collecting pump B2 and the accumulation of heat pond C, accumulation of heat pond C is provided with accumulation of heat pond temperature sensor T2 and accumulation of heat pit level sensor, and the moisturizing end of accumulation of heat pond C is provided with moisturizing magnetic valve DF5;
One side of the thermal cycle of ground heat circulating system is begun by accumulation of heat pond C, successively through heat exchange circulating pump B1, heat pipe magnetic valve DF3, return accumulation of heat pond C behind the heat exchange of heat pipe HR2, opposite side adopts closed circulation, heat exchange of heat pipe HR2 begins by ground, successively through coil pipe circulating pump B3, coil pipe underground heat or water flowing floor underground heat DN1, after return ground heat exchange of heat pipe HR2; By ground heat exchange of heat pipe HR2 two ends heat exchange with the heat transferred coil pipe underground heat in the accumulation of heat pond or water flowing floor underground heat DN1; Wherein coil pipe underground heat or underground heat DN1 water side, water flowing floor are provided with underground heat tube sensor T3, the indoor indoor temperature transmitter that is provided with of coil pipe underground heat or underground heat DN1 place, water flowing floor;
The heat in accumulation of heat pond also is used for domestic water system, one side of the thermal cycle of domestic water system is begun by accumulation of heat pond C, through returning accumulation of heat pond C behind heat exchange circulating pump B1, domestic water magnetic valve DF2, the domestic water heat exchanger HR1, opposite side is by running water A end process flowing water switch LK, domestic water heat exchanger HR1 successively; Obtain domestic water by domestic water heat exchanger HR1 two ends heat exchange after with the heat transferred running water in the accumulation of heat pond, the domestic water water side is provided with the domestic water temperature sensor;
Civil solar geothermal heating system also comprises auxiliary heating system, and the thermal cycle of auxiliary heating system is begun successively through heat exchange circulating pump B1, assisted heating device DR, auxiliaryly returned accumulation of heat pond C after adding thermoelectrical magnetic valve DF1 by accumulation of heat pond C; Solar energy heat collection pipe temperature sensor T1, accumulation of heat pond temperature sensor T2, underground heat tube sensor T3, indoor temperature transmitter, heat exchange circulating pump B1, heat-collecting pump B2, coil pipe circulating pump B3, auxiliary thermoelectrical magnetic valve DF1, domestic water magnetic valve DF2, the first ground heat pipe magnetic valve DF3, the moisturizing magnetic valve DF5 of adding all link to each other with the control centre assembly.
Described solar energy heat collection pipe temperature sensor, accumulation of heat pond temperature sensor, underground heat tube sensor are thermocouple.
Described assisted heating device is electric heater unit or the gas-operated thermal bath facility that links to each other with the heat exchange circulating pump.
The beneficial effects of the utility model are as follows: in the solar energy heating control system, under the acting in conjunction by level sensor, liquid level sensor, magnetic valve, relay, realize automatic water supplement in the accumulation of heat pond, reach and prevent empty pond, accumulation of heat pond, avoid the too high and problems such as pipeline excessive temperature differentials explosion that cause of pool inner water temperature.In the underground heat cyclic control system, can realize that branch floor ﹑ divides the control of district ﹑ branch room temperature, adopt two temperature to show that the underground heat tube controller of (real survey value ﹑ setting value) monitors in real time to room temperature, ground heat pipe, room temperature monitor, heat pipe temperature sensor, the heat exchange circulating pump that links to each other with the accumulation of heat pond, coil pipe circulating pump, the heat pipe magnetic valve, the synergy of thermal cycle controller etc. be issued to the constant purpose of room temperature.When being indoor employing geothermal heating system, also solar energy is used for daily hot water, realized taking full advantage of of green energy resource.Utilize control centre's assembly to realize the long-distance intelligent of solar energy, underground heat, electricity mutual complementation combined type heating system is accused by network, the user can close the power supply of heating system usually like this, before going home, utilize control terminal to open the power supply of heating system, can directly use hot water and heating system after going home, be that conserver power source is user-friendly to again like this.
The utility model has also adopted assisted heating device, has avoided solar energy to be subjected to multiple influence the in time, weather and season etc. and not enough situation.Can adopt electrical heating or combustion gas heating, when adopting electrical heating, trigger the controllable silicon conducting by silicon controlled toggle, make the calandria place in circuit, reach the purpose of auxiliary heating, calandria can use the electric energy of photovoltaic generating system savings.Complement each other the limitation of having avoided solar energy heating equipment to use with solar energy heating.
Be thermal source with solar energy, heating is heated ground by the pipeline internal medium circulation, again by ground equably to indoor radiations heat energy, simultaneously under the difference in specific gravity effect of cold and hot air, produced the free convection phenomenon of air, have the indoor hot micro climate that ideal temperature distributes thereby create, make indoor environment reach the state of human body the most comfortable.Under the situation of the normal operation of radiant heating, if outdoor temperature is identical, want the comfort level that reaches identical, its ambient air temperature requires low about 3 ℃ than convection current heating condition.According to the comfort physiological condition requirement of human body, surface temperature is 24 ℃~28 ℃.Because the heat medium temperature of floor panel heating is 40 ℃~60 ℃ low-temperature water heating, thus very low to the requirement of system temperature, room temperature can be heated to more than 20 ℃ in the short time, save the energy, long service life, pollution-free, inexhaustible.
Adopt geothermal heating system to substitute traditional room heater chip architecture, increase the interior space, be convenient to finishing and house fitting-up, reduce the corner or spot as yet untouched by a clean-up campaign; Indoor surface temperature is even, and room temperature is from bottom to top successively decreased gradually, gives the cool good feel of pin temperature head; Be difficult for causing the foul atmosphere convection current, the room air cleaning; The radiant heating mode is than convection current heating system thermal efficiency height, and thermal loss is little in the transport process; Floor heating ground floor and concrete layer amount of stored heat are big, Heat stability is good, and under the condition of intermitting heating, indoor temperature change generated in case is slow; Energy consumption is low, and energy-conservation amplitude is about 90%; Plastic pipe is imbedded undergroundly in the low temperature floor heating, good stability, does not corrode, and has saved maintenance and renewal cost than the convection current heating equipment; Equipment is not subjected to the influence of outdoor temperature, has prolonged the life-span of heating system, has reduced maintenance cost; Photovoltaic power generation apparatus can be realized the heat supply need for electricity, is converted to civil power during power shortage automatically and normally moves to guarantee heating system.
In the photovoltaic generating system, controller for solar have overcharge, cross put, electrical short, overload protection, unique Automatic Control such as anti-reverse protection; Adopt tandem PWM charging main circuit, make the loss of voltage of charge circuit use the charging circuit of diode reduce near half, the more non-PWM of charge efficiency is high by 3% ~ 6%, has increased the electricity consumption time; Cross the lifting charging of putting recovery, directly fill normally, the floating charge automatic control mode makes system by longer service life; Has high precision temperature compensation simultaneously; The electrical power storage that battery sends solar panel when illumination is arranged, inverter converts the direct current energy that battery sends to alternating current, is converted to civil power when low-voltage and fault automatically to satisfy the normal operation of heating system electricity consumption.
Below in conjunction with accompanying drawing and by example the utility model is described in further detail; but following example only is the utility model example wherein; do not represent the rights protection scope that the utility model limits, rights protection scope of the present utility model is as the criterion with claims.
Description of drawings
Fig. 1 is system architecture simplified schematic diagram of the present utility model;
Fig. 2 is the automatically controlled structural representation sketch 1 of Fig. 1;
Fig. 3 is the automatically controlled structural representation sketch 2 of Fig. 1;
Fig. 4 is the automatically controlled structural representation sketch 3 of Fig. 1;
Fig. 5 is the automatically controlled structural representation sketch 4 of Fig. 1;
Fig. 6 is the automatically controlled structural representation sketch 5 of Fig. 1;
Fig. 7 is the utility model photovoltaic generating system theory diagram.
The main symbol description of accompanying drawing: A-domestic water, the B-running water, C-accumulation of heat pond, the JR-solar energy heat collection pipe, WK1-thermal-collecting tube temperature controller, WK2-accumulation of heat pond temperature controller, WK3-domestic water temperature sensor, the WK4-first ground heat pipe temperature controller, the WK5-second ground heat pipe temperature controller, T1-solar energy heat collection pipe temperature sensor, T2-accumulation of heat pond temperature sensor, the T3-first ground heat pipe temperature sensor, the T4-second ground heat pipe temperature sensor, the auxiliary thermoelectrical magnetic valve that adds of DF1-, DF2-domestic water magnetic valve, the DF3-first ground heat pipe magnetic valve, the DF4-second ground heat pipe magnetic valve, DF5-moisturizing magnetic valve, B1-heat exchange circulating pump, the B2-heat-collecting pump, the B3-first coil pipe circulating pump, the B4-second coil pipe circulating pump, the LK-water flow switch, the YK-fluid level controller, the QK1-first ground thermal cycle controller, the QK2-second ground thermal cycle controller, KM1 ~ KM4-contactor, GT1 ~ GT4-solid-state relay, the TGQ-silicon controlled toggle, the KG1-controllable silicon, ZJ1 ~ ZJ6-relay, the SJ-time-delay relay, the DR-assisted heating device, HR1-domestic water heat exchanger, the HR2-first ground heat exchange of heat pipe, the HR3-second ground heat exchange of heat pipe, the NF-non-return valve, the total lock of QF-, QF1 ~ QF5-slave switch, SA1 ~ SA6-hand switch, the ZLD-power supply, 1R ~ 2R-fuse, the DN1-first coil pipe underground heat, the DN2-second coil pipe underground heat.
The specific embodiment
Embodiment 1
The utility model is elaborated according to Fig. 1 to Fig. 7.A kind of civil solar geothermal heating of the present utility model system, it comprises solar thermal collection system, the ground heat circulating system.Wherein, the solar energy heating control system comprises solar energy heat collection pipe JR, accumulation of heat pond C, accumulation of heat pond temperature sensor T2, accumulation of heat pond temperature controller WK2, heat-collecting pump B2, fluid level controller YK, moisturizing magnetic valve DF5, be provided with accumulation of heat pond C between solar energy heating control system and the ground heat circulating system, the thermal cycle of solar thermal collection system is begun by accumulation of heat pond C, successively through returning accumulation of heat pond C behind heat-collecting pump B2, the solar energy heat collection pipe JR.Wherein, the water side of solar energy heat collection pipe JR is provided with solar energy heat collection pipe temperature sensor T1, is provided with non-return valve NF between heat-collecting pump B2 and the accumulation of heat pond C, and hot water is only flowed to single direction.Accumulation of heat pond C is provided with accumulation of heat pond temperature sensor T2 and accumulation of heat pit level controller YK, and the moisturizing end of accumulation of heat pond C is provided with moisturizing magnetic valve DF5.When accumulation of heat pool inner water position was lower than level sensor YK preset lower limit, level sensor YK adhesive made moisturizing magnetic valve DF5 open-minded, running water B is introduced accumulation of heat pond C realize automatic water supplement, prevented the empty pond of accumulation of heat pond C.When solar energy heat collection pipe temperature sensor T1 is higher than the capping value, send signal to control centre, make relay ZJ6 adhesive, trigger solid-state relay GT2 conducting, heat-collecting pump B2 starts, and reduces the temperature difference in the thermal-arrest circulation line, avoid local temperature too high, and cause pipelines from bursting.
The assisted heating device of present embodiment is electric heater unit or the gas-operated thermal bath facility that links to each other with heat exchange circulating pump B1.When the cloudy day or night solar energy under-supply, when only being difficult to reach thermal-collecting tube temperature controller WK1 lower limit temperature by the thermal-arrest circulation, the assembly control thermal-collecting tube temperature controller WK1 of control centre adhesive, relay ZJ1 adhesive, trigger solid-state relay GT1 conducting, start heat exchange circulating pump B1.Relay ZJ1, ZJ3, ZJ4, ZJ5 connect simultaneously, contactor KM1 adhesive is opened magnetic valve DF1 and is formed auxiliary heat cycles loop, but relay ZJ1 moves and closes conducting silicon controlled toggle TGQ(power adjusting simultaneously) triggering controllable silicon KG1 conducting, make calandria DR place in circuit, water temperature rises gradually, after thermal-collecting tube temperature controller WK1 temperature capping, heating stops.
Preestablish the temperature range of temperature controller WK2, when temperature reaches temperature controller WK2 lower limit temperature in accumulation of heat pond temperature sensor T2 detects accumulation of heat pond C, send signal to control centre's assembly, the WK2 conducting, relay ZJ2 adhesive triggers solid-state relay GT2 conducting, and heat-collecting pump B2 starts, water at low temperature in the accumulation of heat pond is pumped into solar energy heat collection pipe JR by non-return valve NF, and the hot water that solar energy heat collection pipe JR is produced pumps into accumulation of heat pond C simultaneously; When accumulation of heat pond temperature sensor T2 detects in the accumulation of heat pond temperature and arrives capping, send signal to control centre, WK2 disconnects, and relay ZJ2 disconnects, and heat-collecting pump B2 stops.
The first ground heat circulating system comprises coil pipe underground heat DN1, room temperature monitor, the first ground heat pipe temperature sensor T3, the heat exchange circulating pump B1 that links to each other with the accumulation of heat pond, the first coil pipe circulating pump B3, the first ground heat pipe magnetic valve DF3, the first ground thermal cycle controller QK1, the thermal cycle of ground heat circulating system is begun by accumulation of heat pond C, successively through heat exchange circulating pump B1, heat pipe magnetic valve DF3, heat exchange of heat pipe HR2, coil pipe circulating pump B3, coil pipe underground heat DN1, return accumulation of heat pond C after behind the heat exchange of heat pipe HR2; Wherein coil pipe underground heat water side is provided with underground heat tube sensor T3, the indoor indoor temperature transmitter QK1 that is provided with in coil pipe underground heat place.For satisfying the demand, a plurality of ground heat circulating system can be set.As: the second underground heat cyclic control system comprises ground thermal cycle controller QK2, relay ZJ5, the second ground heat pipe magnetic valve DF4, heat exchange circulating pump B1, the second coil pipe circulating pump B4, solid-state relay GT1, GT4 etc.
Be that example is narrated its operation principle with the first ground heat circulating system, can realize that branch floor ﹑ divides the control of district ﹑ branch room temperature, two temperature show (Shi Ce Zhi ﹑ setting value), the temperature range of the first ground heat pipe temperature controller WK4 is set in advance, when the room temperature monitor detects room temperature low temperature and is lower than the first ground heat pipe temperature controller WK4 preset lower limit, send signal to control centre's assembly, the WK4 adhesive, the QK1 adhesive, relay ZJ4 adhesive triggers solid-state relay GT1, the GT3 conducting, the heat exchange circulating pump B1 ﹑ first coil pipe circulating pump B3 starts, and the moving splice grafting of while relay ZJ4 connects tentaculum KM3 adhesive makes the first ground heat pipe magnetic valve DF3 open the formation closed circuit.One side of the thermal cycle of ground heat circulating system is begun by accumulation of heat pond C, successively through heat exchange circulating pump B1, heat pipe magnetic valve DF3, return accumulation of heat pond C behind the heat exchange of heat pipe HR2, opposite side adopts closed circulation, heat exchange of heat pipe HR2 begins by ground, successively through coil pipe circulating pump B3, coil pipe underground heat DN1, after return ground heat exchange of heat pipe HR2; By ground heat exchange of heat pipe HR2 two ends heat exchange with the heat transferred coil pipe underground heat DN1 in the accumulation of heat pond.Room temperature rises gradually, when room temperature reaches the capping value of room temperature monitor, sends signal to control centre's assembly, the first ground heat pipe temperature controller WK4 disconnects, and the first ground thermal cycle controller QK1 disconnects, and relay ZJ4 disconnects, circulation stops, thereby guarantees that room temperature is constant.The first ground heat pipe temperature sensor T3 monitors the underground heat return water temperature in real time, when temperature is higher than the first ground heat pipe temperature controller WK4 capping, the first ground heat pipe temperature controller WK4 disconnects, the first ground thermal cycle controller QK1 disconnects, relay ZJ4 disconnects, circulation stops, and is too high to prevent underground heat circulation line return water temperature.The second ground heat circulating system control system in like manner.
Domestic water system comprises water flow switch, heat exchange circulating pump B1, by the domestic water magnetic valve DF2 of water flow switch LK control, water flow switch LK, hot recycle pump B1, domestic water magnetic valve DF2 all are arranged on the heat release water side in accumulation of heat pond.When using hot water, water flow switch LK action makes time-delay relay SJ adhesive, time-delay engage relay ZJ3 triggers solid-state relay GT1 conducting starts heat exchange circulating pump B1, connects contactor KM2 adhesive simultaneously, makes domestic water magnetic valve DF2 open the formation closed circuit.One side of the thermal cycle of domestic water system is begun by accumulation of heat pond C, through returning accumulation of heat pond C behind heat exchange circulating pump B1, domestic water magnetic valve DF2, the domestic water heat exchanger HR1, opposite side is by running water A end process flowing water switch LK, domestic water heat exchanger HR1 successively; Obtain domestic water by domestic water heat exchanger HR1 two ends heat exchange after with the heat transferred running water in the accumulation of heat pond, the domestic water water side is provided with the domestic water temperature sensor.After hot water used, water flow switch LK resetted, and time-delay relay SJ disconnects, and ZJ3 disconnects, and KM2 disconnects, and DF2 closes, and heat exchange circulating pump B1 stops.The design of employing said structure can be satisfied many places hot water demands such as kitchen, bathroom, toilet simultaneously.
Photovoltaic generating system as shown in Figure 7, it comprises solar battery group, controller, battery, the inverter that links to each other successively, and wherein DC load also links to each other with battery with controller respectively, and AC load links to each other with inverter.Controller comprises the PWM charging circuit.Usually the output of the heat in solar heat-preservation pond is subjected to multiple influence the in time, weather and season etc., therefore, auxiliary heater is set in system usually.

Claims (3)

1. civil solar geothermal heating system, it comprises solar thermal collection system, the ground heat circulating system, it is characterized in that: be provided with accumulation of heat pond (C) between described solar energy heating control system and the ground heat circulating system, the thermal cycle of solar thermal collection system is returned accumulation of heat pond (C) by accumulation of heat pond (C) beginning after passing through heat-collecting pump (B2), solar energy heat collection pipe (JR) successively; Wherein the water side of solar energy heat collection pipe (JR) is provided with solar energy heat collection pipe temperature sensor (T1), be provided with non-return valve (NF) between heat-collecting pump (B2) and accumulation of heat pond (C), accumulation of heat pond (C) is provided with accumulation of heat pond temperature sensor (T2) and accumulation of heat pit level sensor, and the moisturizing end of accumulation of heat pond (C) is provided with moisturizing magnetic valve (DF5);
One side of the thermal cycle of ground heat circulating system is begun by accumulation of heat pond (C), pass through successively heat exchange circulating pump (B1), heat pipe magnetic valve (DF3), return accumulation of heat pond (C) behind the heat exchange of heat pipe (HR2), opposite side adopts closed circulation, by ground heat exchange of heat pipe (HR2) beginning, pass through successively coil pipe circulating pump (B3), coil pipe underground heat or water flowing floor underground heat (DN1), after return ground heat exchange of heat pipe (HR2); By ground heat exchange of heat pipe (HR2) two ends heat exchange with the heat transferred coil pipe underground heat in the accumulation of heat pond or water flowing floor underground heat (DN1); Wherein coil pipe underground heat or water side, water flowing floor underground heat (DN1) are provided with underground heat tube sensor (T3), the indoor indoor temperature transmitter that is provided with of coil pipe underground heat or place, water flowing floor underground heat (DN1);
The heat in accumulation of heat pond also is used for domestic water system, one side of the thermal cycle of domestic water system is begun by accumulation of heat pond (C), return accumulation of heat pond (C) after passing through heat exchange circulating pump (B1), domestic water magnetic valve (DF2), domestic water heat exchanger (HR1) successively, opposite side is by running water (A) end process flowing water switch (LK), domestic water heat exchanger (HR1); Obtain domestic water by domestic water heat exchanger (HR1) two ends heat exchange after with the heat transferred running water in the accumulation of heat pond, the domestic water water side is provided with the domestic water temperature sensor;
Civil solar geothermal heating system also comprises auxiliary heating system, and the thermal cycle of auxiliary heating system is passed through heat exchange circulating pump (B1), assisted heating device (DR) successively, auxiliaryly returned accumulation of heat pond (C) after adding thermoelectrical magnetic valve (DF1) by accumulation of heat pond (C) beginning; Solar energy heat collection pipe temperature sensor (T1), accumulation of heat pond temperature sensor (T2), underground heat tube sensor (T3), indoor temperature transmitter, heat exchange circulating pump (B1), heat-collecting pump (B2), coil pipe circulating pump (B3), auxiliary thermoelectrical magnetic valve (DF1), domestic water magnetic valve (DF2), the first ground heat pipe magnetic valve (DF3), the moisturizing magnetic valve (DF5) of adding all link to each other with the control centre assembly.
2. civil solar geothermal heating according to claim 1 system, it is characterized in that: described solar energy heat collection pipe temperature sensor (T1), accumulation of heat pond temperature sensor (T2), underground heat tube sensor (T3) are thermocouple.
3. civil solar geothermal heating according to claim 1 system is characterized in that: electric heater unit or the gas-operated thermal bath facility of described assisted heating device (DR) for linking to each other with the heat exchange circulating pump.
CN 201320143882 2013-03-27 2013-03-27 Solar energy floor heating system for civil use Expired - Fee Related CN203131957U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320143882 CN203131957U (en) 2013-03-27 2013-03-27 Solar energy floor heating system for civil use

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320143882 CN203131957U (en) 2013-03-27 2013-03-27 Solar energy floor heating system for civil use

Publications (1)

Publication Number Publication Date
CN203131957U true CN203131957U (en) 2013-08-14

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Application Number Title Priority Date Filing Date
CN 201320143882 Expired - Fee Related CN203131957U (en) 2013-03-27 2013-03-27 Solar energy floor heating system for civil use

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206737A (en) * 2013-03-27 2013-07-17 冯忠一 Civil solar geothermal heating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103206737A (en) * 2013-03-27 2013-07-17 冯忠一 Civil solar geothermal heating system

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