CN203719148U - Self-control dual-hot-water-tank ground source heat pump assisted solar energy hot water making system - Google Patents
Self-control dual-hot-water-tank ground source heat pump assisted solar energy hot water making system Download PDFInfo
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- CN203719148U CN203719148U CN201320840905.0U CN201320840905U CN203719148U CN 203719148 U CN203719148 U CN 203719148U CN 201320840905 U CN201320840905 U CN 201320840905U CN 203719148 U CN203719148 U CN 203719148U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/40—Solar thermal energy, e.g. solar towers
- Y02E10/44—Heat exchange systems
Abstract
The utility model discloses a self-control dual-hot-water-tank ground source heat pump assisted solar energy hot water making system and solves the problem of discontinuity and unreliability in solar energy utilization in the united operation process of the solar energy and a ground source heat pump, the operation time of the ground source heat pump is extremely reduced to a certain extent, and the operation of the system meets the hot water using demands of a user without causing unnecessary electricity waste. The system furthest uses the solar energy to generate hot water, and when the solar water heating system cannot meet the hot water demands of the user, the ground source heat pump is started by automatic control, so the operation cost of the long-term work of the ground source heat pump system is greatly saved, and the maximum economical benefits are achieved; in the operation of the system, the aims of minimally consuming the conventional energy resources and furthest using the green and ecological energy resources are achieved.
Description
Technical field
The utility model relates to renewable energy source domain, especially a kind of self controllable two boiler earth source heat pump assisted solar water heating systems.
Background technology
Solar energy is a kind of clean, reproducible energy, is now widely used.Being subject to the impact of weather very large because solar water heating system is in operation, there is intermittence, unstability and regional disparity in its independent utility.Self also there is the imbalance between supply and demand that is difficult to overcome in it, when it heats the water yield large time (summer), hot water demand measures minimum; When it heats the water yield little time (winter), hot water demand's amount is maximum again.China most areas is in sun tropic of cancer northern area, in the winter time solar water heater heat temperature and the water yield can not meet the hot water demand who is doubled and redoubled far away, for solving this contradiction, use at present the most generally heat storage water tank inside to establish electric heater unit, but be directly that cost is relatively high with electrical heating, and the low a kind of mode of energy utilization rate.
Earth source heat pump is to utilize the geothermal energy resources of earth surface shallow-layer as Cooling and Heat Source, carries out the heating and cooling system of power conversion.It is not subject to the restriction such as region, resource, be really large and wide, ubiquitous, but source pump isolated operation easily causes ground temperature imbalance, and the required floor space of digging a well is larger, and therefore in certain aspect, also to need other energy to do supplementary for earth source heat pump.
Solar energy is combined and is applied to hot-water supply system with earth source heat pump, be comparatively desirable energy combination, but the utilization of domestic this cooperation technology is also not overripened.Existing solar energy and earth source heat pump combined operation system, mainly with solar energy assisted ground source heat pump, but the operating cost of earth source heat pump is much larger than the operating cost of solar energy hot water system, existing system is moved the running time that could not well distribute solar energy system and earth-source hot-pump system, while causing solar energy sufficient, can not be utilized to greatest extent; On the other hand, the long-term operation of earth-source hot-pump system not only consumes a large amount of electric energy (comparing solar energy hot water system), and easily causes the imbalance of ground temperature.
Therefore, how to design a kind of earth source heat pump assisted solar water heating system that can automatically control, make it maximally utilise solar energy, thereby reduce the operating cost of whole system, just become technical problem to be solved in the utility model.
Utility model content
The purpose of this utility model is to provide a kind of two water tank earth source heat pump assisted solar water heating systems that realize automatic control, it can overcome the shortcoming in existing technology, solves discontinuity and unreliability that in solar energy and earth source heat pump cooperation process, solar energy utilizes.The major function of this system is: the one, and maximally utilise solar energy and produce hot water, in the time that solar water heating system can not meet user and requires, open earth-source hot-pump system by automatic control system, thereby greatly save the operating cost of earth source heat pump long-term work, to reach maximum economic benefit; Two is that two heat storage water tanks alternately provide user required hot water, and in the time that the demand of hot water is excessive, two heat storage water tanks all can be realized the demand of supplying hot water, thereby has avoided that separately large boiler hot water circuit temperature rise is excessively slow, the problem of insufficient water.This system has reached minimally and has consumed conventional energy resource, maximally utilises the object of green, eco-energy.
The technical solution of the utility model is: a kind of self controllable two boiler earth source heat pump assisted solar water heating systems, comprise solar thermal collector, solar heat storage water tank, ground heat exchanger, source pump, earth source heat pump heat storage water tank, plate type heat exchanger
Between described solar heat storage water tank and solar thermal collector, be linked to be loop by solar thermal collector feed pipe, solar thermal collector return pipe, and on solar thermal collector feed pipe, be provided with solar energy heating circulating pump, on solar thermal collector return pipe, be provided with gate valve;
Between described solar thermal collector and plate type heat exchanger, be connected with concurrent heating feed pipe and concurrent heating return pipe, on concurrent heating return pipe, be provided with solar energy side concurrent heating circulating pump and gate valve, on concurrent heating feed pipe, be provided with gate valve;
Between described plate type heat exchanger and ground heat exchanger, be connected with underground water concurrent heating feed pipe and underground water concurrent heating return pipe, on underground water concurrent heating return pipe, be provided with ground source concurrent heating circulating pump and gate valve, on underground water concurrent heating feed pipe, be provided with gate valve;
Between described source pump and ground heat exchanger, be provided with ground energy feed pipe and ground energy return pipe, and on ground energy return pipe, be provided with ground energy circulating pump and gate valve, on ground energy feed pipe, be provided with gate valve;
Between described earth source heat pump heat storage water tank and source pump, be provided with hot water feed pipe and hot water return pipe, on hot water feed pipe, be provided with hot water circulating pump and magnetic valve, on hot water return pipe, be provided with gate valve;
In described solar heat storage water tank, be provided with solar energy side temperature and level sensor, in described earth source heat pump heat storage water tank, be provided with ground source heat pump side temperature and level sensor, described solar thermal collector is provided with solar radiation sensor;
Described solar heat storage water tank is provided with for cold water pipe and heat supply return pipe, and described earth source heat pump heat storage water tank is provided with heat supply return pipe, and described earth source heat pump is provided with for cold water pipe;
This system is also provided with hot water feeding pipe and hot water supply-water pump, and solar heat storage water tank bottom is connected with hot water feeding pipe by solar-heating water pipe, is provided with gate valve and magnetic valve on solar-heating water pipe; Earth source heat pump heat storage water tank is connected with hot water feeding pipe by ground hot water supplying pipe, on geothermal heating water pipe, is provided with magnetic valve.
The bottom of described solar heat storage water tank goes out pipe by one and is connected with solar-heating water pipe, concurrent heating feed pipe respectively by threeway.
Described ground heat exchanger goes out pipe by a underground water and is connected with ground energy feed pipe, underground water concurrent heating feed pipe respectively; Described ground heat exchanger is connected with ground energy return pipe, underground water concurrent heating return pipe respectively by a underground water return pipe.
The beneficial effects of the utility model
Described system can not only meet the water requirement of each time period, and maximally utilise solar water heating system, thereby reduce the operating cost of whole system, enforcement of the present utility model is very easy to people's life, the operation of this system has reached minimum consumption conventional energy resource, maximally utilises the object of green regenerative energy sources.
Brief description of the drawings
Fig. 1 is the schematic diagram that can realize two water tank earth source heat pump assisted solar water heating systems of automatic control;
In Fig. 11, solar heat storage water tank, 2, earth source heat pump heat storage water tank, 3, source pump, 4, plate type heat exchanger, 5, solar thermal collector, 6, ground heat exchanger, 7, hot water circulating pump, 8, hot water supply-water pump, 9, solar energy concurrent heating circulating pump, 10, solar energy heating circulating pump, 11, source concurrent heating circulating pump, 12, can circulating pump, 13, solar energy side temperature and level sensor, 14, ground source heat pump side temperature and level sensor, 15, solar radiation sensor.
SV1, SV2, SV3, SV4, SV5, SV6, SV7 are magnetic valve; Z1, Z2, Z3, Z4, Z5, Z6, Z7 are gate valve.
LJ-underground water concurrent heating feed pipe; LH-underground water concurrent heating return pipe; RJ-hot water feeding pipe; RH-hot water return pipe; TJ-solar thermal collector feed pipe; TH-solar thermal collector return pipe; DJ-ground energy feed pipe; DH-ground energy return pipe, BJ-concurrent heating feed pipe; BH-concurrent heating return pipe; XJ-hot water feed pipe; XH-hot water return pipe; DXJ-ground lower discharging tube; The underground recovery tube of DXH-, TRJ-solar-heating water pipe, DRJ-ground hot water supplying pipe
Detailed description of the invention
Embodiment: referring to Fig. 1, a kind of self controllable two boiler earth source heat pump assisted solar water heating systems in figure, comprise solar thermal collector, solar heat storage water tank, ground heat exchanger, source pump, earth source heat pump heat storage water tank, plate type heat exchanger, between described solar heat storage water tank and solar thermal collector, be linked to be loop by solar thermal collector feed pipe, solar thermal collector return pipe, and on solar thermal collector feed pipe, be provided with solar energy heating circulating pump, on solar thermal collector return pipe, be provided with gate valve; Between described solar thermal collector and plate type heat exchanger, be connected with concurrent heating feed pipe and concurrent heating return pipe, on concurrent heating return pipe, be provided with solar energy side concurrent heating circulating pump and gate valve, on concurrent heating feed pipe, be provided with gate valve; Between described plate type heat exchanger and ground heat exchanger, be connected with underground water concurrent heating feed pipe and underground water concurrent heating return pipe, on underground water concurrent heating return pipe, be provided with ground source concurrent heating circulating pump and gate valve, on underground water concurrent heating feed pipe, be provided with gate valve; Between described source pump and ground heat exchanger, be provided with ground energy feed pipe and ground energy return pipe, and on ground energy return pipe, be provided with ground energy circulating pump and gate valve, on ground energy feed pipe, be provided with gate valve; Between described earth source heat pump heat storage water tank and source pump, be provided with hot water feed pipe and hot water return pipe, on hot water feed pipe, be provided with hot water circulating pump and magnetic valve, on hot water return pipe, be provided with gate valve; In described solar heat storage water tank, be provided with solar energy side temperature and level sensor, in described earth source heat pump heat storage water tank, be provided with ground source heat pump side temperature and level sensor, described solar thermal collector is provided with solar radiation sensor; Described solar heat storage water tank is provided with for cold water pipe and heat supply return pipe, and described earth source heat pump heat storage water tank is provided with heat supply return pipe, and described earth source heat pump is provided with for cold water pipe; This system is also provided with hot water feeding pipe and hot water supply-water pump, and solar heat storage water tank bottom is connected with hot water feeding pipe by solar-heating water pipe, is provided with gate valve and magnetic valve on solar-heating water pipe; Earth source heat pump heat storage water tank is connected with hot water feeding pipe by ground hot water supplying pipe, on geothermal heating water pipe, is provided with magnetic valve.The bottom of described solar heat storage water tank goes out pipe by one and is connected with solar-heating water pipe, concurrent heating feed pipe respectively by threeway.Described ground heat exchanger goes out pipe by a underground water and is connected with ground energy feed pipe, underground water concurrent heating feed pipe respectively; Described ground heat exchanger is connected with ground energy return pipe, underground water concurrent heating return pipe respectively by a underground water return pipe.
Embodiment of the present utility model pays the utmost attention to use solar water heating system, in the time that the temperature in heat storage water tank 1 and water level do not meet user's instructions for use, temperature and level sensor 13 are passed to solar radiation sensor 15 signal, if when solar radiation reaches the setting value of water heating, solar radiation sensor 15 sends control system to signal, start solar water heating system, and source pump 3 is out of service, now, magnetic valve SV1, SV2, SV3, SV4 closes, magnetic valve SV5, SV6 opens, gate valve Z5 opens, hot water supply-water pump is fed to user hot water, thereby realize the operation of solar energy hot water system.
When water level in described solar heat storage water tank 1 is lower, magnetic valve SV7 opens moisturizing, and solar energy heating circulating pump 10 starts to start, until the water level of warming solar energy water tank reaches designed requirement.
If when solar radiation can not meet requiring of water heating, solar radiation sensor 15 is passed to control system signal, starting earth-source hot-pump system starts to provide hot water for user, now, magnetic valve SV1, SV3, SV4 open, SV5, SV6, SV7 close, thereby realize the operation of earth-source hot-pump system water heating.
When described ground source heat pump hot water system is normally moved, the start and stop of system are to be controlled by the temperature in heat storage water tank 2 and level sensor 14, in the time that the interior temperature sensor 14 of heat storage water tank 2 detects water temperature lower than setting value, source pump 3 quits work, ground energy circulating pump 12, hot water circulating pump 7 shuts down, and magnetic valve SV1 closes.When heat storage water tank 2 liquid levels are lower than when setting value, magnetic valve SV2 opens, ground energy circulating pump 12 entrys into service, and source pump 3 is opened; When the liquid level of storage tank 2 is during higher than setting value, source pump 3 quits work, and magnetic valve SV2 closes, and ground energy pump 12 shuts down.
In the time that solar water heating system can normally move, and that user's hot water demand measures is excessive, when single solar energy system cannot be met consumers' demand, temperature and level sensor 13 are passed to temperature and level sensor 14 signal, start ground source heat pump hot water system by temperature and level sensor 14.Now magnetic valve SV1, SV3, SV4, SV5, SV6 all open, and two systems are started working simultaneously.
System control operating mode and soil concurrent heating operating mode are switched: when earth source heat pump unit is normally worked, and valve-off Z1, Z4, Z5, Z7, Open valve Z2, Z3.Need to be to underground water additional heat time, valve-off Z2, Z3, Open valve Z1, Z4, Z5, Z7, solar heat storage water tank 1 is stored in heat by the heat exchange of plate type heat exchanger 4 underground, maintains the thermal balance of underground with this.
The above embodiment has only expressed a kind of embodiment of the present utility model, and it is described comparatively in detail and be concrete, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.
Claims (3)
1. self controllable two boiler earth source heat pump assisted solar water heating systems, comprise solar thermal collector, solar heat storage water tank, ground heat exchanger, source pump, earth source heat pump heat storage water tank, plate type heat exchanger, it is characterized in that:
Between described solar heat storage water tank and solar thermal collector, be linked to be loop by solar thermal collector feed pipe, solar thermal collector return pipe, and on solar thermal collector feed pipe, be provided with solar energy heating circulating pump, on solar thermal collector return pipe, be provided with gate valve;
Between described solar thermal collector and plate type heat exchanger, be connected with concurrent heating feed pipe and concurrent heating return pipe, on concurrent heating return pipe, be provided with solar energy side concurrent heating circulating pump and gate valve, on concurrent heating feed pipe, be provided with gate valve;
Between described plate type heat exchanger and ground heat exchanger, be connected with underground water concurrent heating feed pipe and underground water concurrent heating return pipe, on underground water concurrent heating return pipe, be provided with ground source concurrent heating circulating pump and gate valve, on underground water concurrent heating feed pipe, be provided with gate valve;
Between described source pump and ground heat exchanger, be provided with ground energy feed pipe and ground energy return pipe, and on ground energy return pipe, be provided with ground energy circulating pump and gate valve, on ground energy feed pipe, be provided with gate valve;
Between described earth source heat pump heat storage water tank and source pump, be provided with hot water feed pipe and hot water return pipe, on hot water feed pipe, be provided with hot water circulating pump and magnetic valve, on hot water return pipe, be provided with gate valve;
In described solar heat storage water tank, be provided with solar energy side temperature and level sensor, in described earth source heat pump heat storage water tank, be provided with ground source heat pump side temperature and level sensor, described solar thermal collector is provided with solar radiation sensor;
Described solar heat storage water tank is provided with for cold water pipe and heat supply return pipe, and described earth source heat pump heat storage water tank is provided with heat supply return pipe, and described earth source heat pump is provided with for cold water pipe;
This system is also provided with hot water feeding pipe and hot water supply-water pump, and solar heat storage water tank bottom is connected with hot water feeding pipe by solar-heating water pipe, is provided with gate valve and magnetic valve on solar-heating water pipe; Earth source heat pump heat storage water tank is connected with hot water feeding pipe by ground hot water supplying pipe, on geothermal heating water pipe, is provided with magnetic valve.
2. self controllable two boiler earth source heat pump assisted solar water heating systems according to claim 1, is characterized in that: the bottom of described solar heat storage water tank goes out pipe by one and is connected with solar-heating water pipe, concurrent heating feed pipe respectively by threeway.
3. self controllable two boiler earth source heat pump assisted solar water heating systems according to claim 1, is characterized in that: described ground heat exchanger goes out pipe by a underground water and is connected with ground energy feed pipe, underground water concurrent heating feed pipe respectively; Described ground heat exchanger is connected with ground energy return pipe, underground water concurrent heating return pipe respectively by a underground water return pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320840905.0U CN203719148U (en) | 2013-12-19 | 2013-12-19 | Self-control dual-hot-water-tank ground source heat pump assisted solar energy hot water making system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320840905.0U CN203719148U (en) | 2013-12-19 | 2013-12-19 | Self-control dual-hot-water-tank ground source heat pump assisted solar energy hot water making system |
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| CN203719148U true CN203719148U (en) | 2014-07-16 |
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| CN201320840905.0U Expired - Fee Related CN203719148U (en) | 2013-12-19 | 2013-12-19 | Self-control dual-hot-water-tank ground source heat pump assisted solar energy hot water making system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763712A (en) * | 2017-10-13 | 2018-03-06 | 中国科学院广州能源研究所 | New individual well underground heat combined solar heating system |
| CN112335467A (en) * | 2020-10-14 | 2021-02-09 | 哈尔滨工业大学 | Day and night soil heating system with fermentation tank as complementary heat source |
| CN113294948A (en) * | 2021-06-26 | 2021-08-24 | 郝克净 | Ground source heat pump ground source side temperature optimizing system |
| CN113983544A (en) * | 2021-10-25 | 2022-01-28 | 珠海格力电器股份有限公司 | Operation control method and system and solar heat pump hot water system |
-
2013
- 2013-12-19 CN CN201320840905.0U patent/CN203719148U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107763712A (en) * | 2017-10-13 | 2018-03-06 | 中国科学院广州能源研究所 | New individual well underground heat combined solar heating system |
| CN107763712B (en) * | 2017-10-13 | 2019-09-27 | 中国科学院广州能源研究所 | Individual well underground heat combined solar heating system |
| CN112335467A (en) * | 2020-10-14 | 2021-02-09 | 哈尔滨工业大学 | Day and night soil heating system with fermentation tank as complementary heat source |
| CN113294948A (en) * | 2021-06-26 | 2021-08-24 | 郝克净 | Ground source heat pump ground source side temperature optimizing system |
| CN113983544A (en) * | 2021-10-25 | 2022-01-28 | 珠海格力电器股份有限公司 | Operation control method and system and solar heat pump hot water system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20181219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |