CN109442537B - Intelligent cooling and heating system for building - Google Patents
Intelligent cooling and heating system for building Download PDFInfo
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- CN109442537B CN109442537B CN201811354861.4A CN201811354861A CN109442537B CN 109442537 B CN109442537 B CN 109442537B CN 201811354861 A CN201811354861 A CN 201811354861A CN 109442537 B CN109442537 B CN 109442537B
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 68
- 238000001816 cooling Methods 0.000 title claims abstract description 53
- 238000004146 energy storage Methods 0.000 claims abstract description 88
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 50
- 230000001502 supplementing effect Effects 0.000 claims description 7
- 239000011232 storage material Substances 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 238000012544 monitoring process Methods 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000008399 tap water Substances 0.000 description 3
- 235000020679 tap water Nutrition 0.000 description 3
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 2
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000011575 calcium Substances 0.000 description 2
- 229910001424 calcium ion Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910001425 magnesium ion Inorganic materials 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005338 heat storage Methods 0.000 description 1
- 239000008236 heating water Substances 0.000 description 1
- -1 hydroxyl ions Chemical class 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0003—Exclusively-fluid systems
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Central Heating Systems (AREA)
Abstract
The invention relates to the technical field of energy utilization, and provides an intelligent cooling and heating system for a building, which comprises a cooling pipe network and a heating pipe network which are arranged in the building; the energy storage system and the internal circulation heat pump system are used for supplying energy to the cold supply pipe network and the heat supply pipe network; a plurality of miniature energy storage devices which are arranged in the building and connected with a cold supply pipe network and a heat supply pipe network; the energy storage system includes: and the cooling and heating tank and the hot pool tank are arranged in parallel with the internal circulation heat pump system. The mode that combines through inner loop heat pump system and energy storage system, applicable different temperature environment changes, effectively guarantees the stability and the economic nature of energy supply, is used for carrying out energy replenishment to each room through miniature energy storage device, has solved the inhomogeneous problem of energy distribution in the building fast, has improved user's travelling comfort to have that the energy utilization is high, energy supply is stable, energy distribution is even and energy supply timeliness is high advantage.
Description
Technical Field
The invention relates to the technical field of energy utilization, in particular to an intelligent cooling and heating system for a building.
Background
With the economic development and the improvement of the living standard of people, the specific gravity of the energy consumption of air conditioning, heating and living hot water is greatly improved in the energy consumption of buildings in China, the energy consumption of the buildings is gradually developed into a main part, and the energy and the environment are more stressed.
At present, urban heating planning cannot realize a central heating area, and distributed central heating is generally adopted. Because of the limited heating scale, non-coal is used as a heat source. The single heat source equipment heating technology is easily influenced by external environment to increase energy consumption, so that the cost is high, and meanwhile, the energy utilization rate is easily low due to uneven heat energy distribution of buildings.
Disclosure of Invention
The invention aims to provide an intelligent building cooling and heating system, which aims to solve the technical problems of low energy utilization rate and uneven energy distribution when a single heat source device heating technology is adopted in a building in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme: an intelligent cooling and heating system for a building, comprising: the cooling pipe network and the heating pipe network are distributed in the building; the energy storage system and the internal circulation heat pump system are used for supplying heat or cold to the cold supply pipe network and the heat supply pipe network; a plurality of miniature energy storage devices which are arranged in the building and connected with the cold supply pipe network and the heat supply pipe network; the energy storage system includes: and the cooling and heating tank and the hot pool tank are arranged in parallel with the internal circulation heat pump system.
Further: the intelligent cooling and heating system of building still includes: and the intelligent control system is used for controlling the work of the energy storage system, the internal circulation heat pump system and the miniature energy storage device.
Further: the miniature energy storage device comprises: an energy storage tank and a circulation pump system; the energy storage tank is internally provided with an energy storage material, and a heat release pump is arranged on a pipeline between the energy storage tank and a room of the building.
Further: the circulation pump system includes: the evaporator, the compressor, the condenser and the expansion valve are communicated with the energy storage tank; the internal circulation heat pump system includes: and a plurality of groups of circulating pump systems which are connected in parallel.
Further: each layer of building is provided with a plurality of miniature energy storage devices, and the miniature energy storage devices are used for carrying out cold and warm supply on the top room of the building and the surrounding rooms close to the external environment.
Further: an electric heater is arranged in the hot pool tank, and a first temperature instrument is arranged on the hot pool tank.
Further: the cold and warm tank and the hot pool tank are connected through a pipeline, a control valve and a switch valve are arranged on the pipeline between the plate heat exchanger and the cold and warm tank, and a high-temperature pump is arranged on the pipeline between the plate heat exchanger and the hot pool tank.
Further: the intelligent cooling and heating system of building still includes: the water supplementing pump, the softening water tank and the automatic purifier are sequentially communicated with the cooling and heating tank through pipelines; the automatic purifier is communicated with the water inlet pipe.
Further: the heating and cooling pipe network is connected with a first water collector, the heating pipe network is connected with a second water collector, and a pipeline between the second water collector and the hot pool tank as well as between the second water collector and the heating and cooling tank is connected with a first pressure gauge, a first flow valve and a variable frequency pump in series; and a second temperature instrument is arranged on an outlet pipeline of the variable frequency pump.
Further: the cooling and heating tank, the heat pool tank and the internal circulation heat pump system are all arranged on the roof of the building, and a solar water heating system connected with the heat pool tank or the internal circulation heat pump system is further arranged on the roof.
The invention has the beneficial effects that:
According to the intelligent building cooling and heating system, the heat supply pipe network and the cold supply pipe network are arranged in the building, so that energy generated by the internal circulation heat pump system and the energy storage system is transmitted to each room in the building, the internal circulation heat pump system and the energy storage system are combined, the intelligent building cooling and heating system can be suitable for different environment changes, the stability and economy of energy supply are effectively ensured, meanwhile, the plurality of miniature energy storage devices in the building are used for supplementing energy to each room, the problem of uneven energy distribution in the building is rapidly solved, the building is effectively a thermostat building, the utilization rate of energy sources and the comfort of users are improved, and the intelligent building cooling and heating system has the advantages of high energy utilization rate, stable energy supply, uniform energy distribution and high energy supply timeliness.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a connection structure of an intelligent cooling and heating system for a building according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a connection structure of a micro energy storage device according to an embodiment of the invention.
Reference numerals: 1. building; 101. a cooling pipe network; 102. a heating pipe network; 103. a user; 2. an energy storage system; 21. a cooling and heating tank; 22. a heat tank; 221. an electric heater; 222. a first temperature meter; 3. a miniature energy storage device; 31. an energy storage tank; 32. a circulation pump system; 321. an evaporator; 322. a compressor; 323. a condenser; 324. an expansion valve; 33. discharging a heat pump; 34. a third temperature meter; 35. a fourth temperature meter; 4. an internal circulation heat pump system; 5. a control valve; 6. a switch valve; 7. a high temperature pump; 8. a water supplementing pump; 9. softening the water tank; 10. an automatic purifier; 11. a first water collector; 12. a second water collector; 121. a regulating valve; 122. a sixth temperature meter; 123. a second flow valve; 13. a first pressure gauge; 14. a first flow valve; 15. a variable frequency pump; 16. a second temperature meter; 17. a plate heat exchanger; 18. a water inlet pipe; 19. and a fifth temperature meter.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
In the description of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
Referring to fig. 1-2, the present embodiment is to provide an intelligent cooling and heating system for a building, which includes: the system comprises a cold supply pipe network 101 and a heat supply pipe network 102 which are arranged in a building 1, an energy storage system 2 and an internal circulation heat pump system 4 which are used for supplying heat or cold to the cold supply pipe network 101 and the heat supply pipe network 102, a plurality of miniature energy storage devices 3 which are arranged in the building 1 and are connected with the cold supply pipe network 101 and the heat supply pipe network 102, and an intelligent control system which is used for controlling the operation of the energy storage system 2, the internal circulation heat pump system 4 and the miniature energy storage devices 3. Wherein the energy storage system 2 comprises: a cooling and heating tank 21 and a heat-pool tank 22 are provided in parallel with the internal circulation heat pump system 4.
According to the intelligent cooling and heating system for the building, provided by the embodiment of the invention, energy generated by the internal circulation heat pump system 4 and the energy storage system 2 is transmitted to each room in the building 1 through the heat supply pipe network 102 and the cold supply pipe network 101 which are arranged in the building 1, the energy can be suitable for different temperature environment changes in a combined mode of the internal circulation heat pump system 4 and the energy storage system 2, the stability and the economy of energy supply are effectively ensured, meanwhile, the problem of uneven energy distribution in the building 1 is rapidly solved through the plurality of micro energy storage devices 3 in the building 1 for supplementing the energy in each room, the building 1 effectively becomes a thermostat building, and the supply of cold water, hot water and heating can be simultaneously realized, so that the utilization rate of the energy source and the comfort of a user 103 are improved, and the intelligent control system is used for controlling, so that the intelligent cooling and heating system for the building has the advantages of high energy utilization rate, stable energy supply, uniform energy distribution and high energy supply timeliness.
Specifically, in the present embodiment, the micro energy storage device 3 includes: an energy storage tank 31 and a circulation pump system 32. The energy storage tank 31 is internally provided with an energy storage material, which can be lava, heat conducting oil or water, and is used for cold storage and heat storage. The heat release pump 33 is arranged on a pipeline between the energy storage tank 31 and a room of the building 1, the heat release pump 33 is used for providing power for water in the pipeline, a third temperature instrument 34 is arranged on each micro energy storage device 3 and used for monitoring the temperature of the micro energy storage device 3, and a fourth temperature instrument 35 is arranged in each room and used for monitoring the temperature of the room so as to effectively monitor the temperature of each place of the building 1 and the energy loss thereof.
More specifically, in the present embodiment, the circulation pump system 32 includes: the system comprises an evaporator 321, a compressor 322, a condenser 323 and an expansion valve 324, wherein the condenser 323 is communicated with an energy storage tank 31, the circulating pump system 32 is used for storing cold or heat, and the energy storage tank 31 is used for storing energy provided by the circulating pump system 32 for a user 103 to use. Among them, the evaporator 321, the compressor 322, the condenser 323, and the expansion valve 324 may be provided in series with plural sets.
In this embodiment, the micro energy storage device 3 may be connected to the heat supply network 102 and the cold supply network 101 which are separately arranged in the building 1, that is, the micro energy storage device 3 is separately connected to a set of heat supply network 102 and cold supply network 101, and the energy storage system 2 and the internal circulation heat pump system 4 are jointly connected to a set of heat supply network 102 and cold supply network 101, so that it is beneficial to solve the difference of heat load distribution of four sides and top rooms of the building 1. In this embodiment, the energy source is mainly converted from electric energy, but the energy source also includes collecting air energy, water source and geothermal heat for conversion, and converting the low-quality or low-value energy into high-value energy for utilization.
Preferably: each floor of the building 1 is provided with a plurality of micro energy storage devices 3, in this embodiment, two micro energy storage devices 3 are provided on each floor, and the micro energy storage devices 3 are mainly used for cooling and heating the top room of the building 1 and the surrounding rooms close to the external environment. The top room of the building 1 and the surrounding rooms close to the external environment are in direct contact with the external environment, so that the energy loss is rapid, and the supplementary energy needs to be provided in time. The miniature energy storage device 3 can quickly perform energy supplement, and the energy supply stroke is short, so that each room of the building 1 is effectively in a constant temperature state, and the building 1 is a constant temperature building. In other embodiments, the number of micro energy storage devices 3 provided per floor is set according to the size of the building 1. In other embodiments, the micro energy storage device 3 may also function as a central room of the building 1, where the central room is a room other than the top room of the building 1 and the surrounding room near the external environment.
Specifically, in the present embodiment, the internal circulation heat pump system 4 includes: a plurality of sets of circulation pump systems 32 arranged in parallel, the circulation pump systems 32 also comprising: an evaporator 321, a compressor 322, a condenser 323, and an expansion valve 324.
Specifically, in the present embodiment, an electric heater 221 is disposed in the heat tank 22, the electric heater 221 is used for heating water in the heat tank 22, wherein a first temperature meter 222 is disposed on the heat tank 22, and the first temperature meter 222 is used for monitoring the temperature in the heat tank 22.
Preferably, a plate heat exchanger 17 is connected between the cooling and heating tank 21 and the heat pool tank 22 through a pipe, a control valve 5 and an on-off valve 6 are arranged on the pipe between the plate heat exchanger 17 and the cooling and heating tank 21, and a high-temperature pump 7 is arranged on the pipe between the plate heat exchanger 17 and the heat pool tank 22. The on-off valve 6 is provided in a pipe through which low-temperature water flows into the plate heat exchanger 17, the high-temperature pump 7 is provided in a pipe through which high-temperature water in the heat-tank 22 flows into the plate heat exchanger 17, and the control valve 5 is provided in a pipe through which high-temperature water flows out of the plate heat exchanger 17. The switch valve 6, the control valve 5 and the high-temperature pump 7 are used for realizing the output of the energy storage system 2 and the internal circulation heat pump system 4 according to energy requirements, namely when the switch valve 6, the control valve 5 and the high-temperature pump 7 are all closed, only the internal circulation pump system 32 performs energy supply output, otherwise, the energy storage system 2 and the internal circulation heat pump system 4 perform energy supply output together.
Specifically, building intelligence changes in temperature system still includes: a water supplementing pump 8, a softened water tank 9 and an automatic purifier 10 which are sequentially communicated with the cold and warm tank 21 through pipelines; the automatic purifier 10 is communicated with the water inlet pipe 18, the automatic purifier 10 is used for preliminarily coming impurities in common tap water, the softening water tank 9 is used for softening the common tap water in an electronic mode, and the concentration of calcium and magnesium ions in the common tap water is reduced, so that the calcium and magnesium ions cannot be combined with hydroxyl ions and carbonate ions in water, the scaling rate of scale generated in a pipeline is reduced, and the heating or refrigerating efficiency of the pipeline is effectively ensured. The cold and warm tank 21 is also provided with a liquid level instrument which is used for monitoring the water level in the cold and warm tank 21 so as to control the water supplementing pump 8 to supplement water for the cold and warm tank 21. Under normal conditions, the valley period is selected for water replenishment, and the valley period water replenishment is used for avoiding the peak period of urban water.
Specifically, the first water collector 11 is connected to the cooling and heating pipe network, the second water collector 12 is connected to the heating pipe network 102, and the first water collector 11 and the second water collector 12 mainly play a role in water storage. Wherein, a first pressure gauge 13, a first flow valve 14 and a variable frequency pump 15 are connected in series on the pipeline between the second water collector 12 and the hot pool tank 22 as well as between the cold and warm tanks 21; the outlet pipe of the variable frequency pump 15 is provided with a second temperature meter 16. Wherein a first pressure gauge 13, a first flow valve 14, a variable frequency pump 15 and a second temperature gauge 16 are used to control the energy supply ratio of the energy storage system 2. I.e. when both the energy storage system 2 and the internal circulation heat pump system 4 are in operation, the energy of the internal circulation heat pump system 4 is adjusted, the difference between the energy and the demand being provided by the energy storage system 2.
Specifically, the heat supply pipe network 102 includes a heat supply main pipe and each heat supply branch pipe, and a regulating valve 121, a sixth temperature instrument 122 and a second flow valve 123 are arranged on the second water collector 12 and the main heat supply main pipe, wherein the regulating valve 121, the sixth temperature instrument 122 and the second flow valve 123 are mainly used for controlling the energy supply requirement of the middle part of the building 1, and are mutually matched with the micro energy storage device 3 to control the whole energy supply requirement of the building 1, so that the uniformity and the stability of the energy distribution of the building 1 are effectively ensured.
A fifth temperature meter 19 is provided at the outlet pipe of the internal circulation heat pump system 4, and the number of operations of the circulation system in the internal circulation heat pump system 4 is controlled according to the fifth temperature meter 19.
Specifically, in this embodiment, the cooling and heating tank 21, the heat tank 22 and the internal circulation heat pump system 4 are all disposed on the roof of the building 1, so as to reduce the occupied area and energy transmission loss, and a solar water heating system connected with the heat tank 22 or the internal circulation heat pump system 4 is further disposed on the roof, and uses solar energy to heat water, so as to save energy and reduce cost.
The intelligent cooling and heating system of the building has the following working processes: when the building 1 ambient temperature is in the ideal interval (generally referred to as temperature change caused by normal weather change), the energy storage system 2 is turned off and the internal circulation heat pump system 4 supplies energy. The control mode is as follows: the operation quantity of the circulating pump system 32 is controlled according to the fifth temperature instrument 19 at the outlet pipe of the internal circulating heat pump system 4, so that the circulating pump system 32 operates under the working rated condition, and the control valve 5 is in a full-open state.
When the building 1 environment is in a non-ideal section, the non-ideal section generally refers to a specific period, a peak regulation period, extremely cold weather and the non-ideal section is judged according to actual conditions. At this time, the energy storage system 2 is started, and the energy is supplied by the combination of the internal circulation heat pump system 4 and the energy storage system 2. The control mode is as follows: the fifth temperature meter 19 is operated under the rated working condition, the energy supply proportion of the circulation system is adjusted downwards, and the difference between the energy supply proportion and the required quantity is provided by the energy storage system 2. Wherein a second temperature meter 16 at the outlet pipe of the variable frequency pump 15 controls the energy supply ratio of the energy storage system 2. In the embodiment, the energy supply proportion of the internal circulation heat pump system 4 is 70% -90%, the energy efficiency ratio realized in the range is highest, and the energy utilization rate is highest.
Wherein, the energy supply principle: under severe weather conditions, the load of the building 1 is increased, the heat supply of the energy storage system 2 is preferentially increased, and then the operation quantity of the circulating pump system 32 in the internal circulating heat pump system 4 is gradually increased, whereas under the condition that the load of the building 1 is reduced, the heat supply of the energy storage system 2 is preferentially closed, and then the operation quantity of the circulating pump system 32 in the internal circulating heat pump system 4 is gradually reduced. Under the condition of heating peak load shifting, the load of the building 1 is increased, the operation quantity of the circulating pump system 32 in the internal circulating heat pump system 4 is preferentially increased, then the heat supply of the energy storage system 2 is increased, otherwise under the condition of the load reduction of the building 1, the operation quantity of the circulating pump system 32 in the internal circulating heat pump system 4 is preferentially reduced, and then the heat supply of the energy storage system 2 is closed.
In this embodiment, the micro energy storage device 3 stores energy using electric energy in a night valley period as an energy source, wherein the valley period is 23: 00-next day 07:00, in other embodiments, the valley period is set according to different city conditions.
In this embodiment, the intelligent control system is a distributed control system, which is referred to as DCS (Distributed Control System) for short. The DCS is used to control the energy output of the energy storage system 2, the internal circulation heat pump system 4 and the micro energy storage device 3 according to the data collected by the temperature meters, the pressure gauges, etc., and in combination with weather conditions, etc. In other embodiments, the intelligent control system further comprises a remote workstation or a mobile phone terminal APP.
The intelligent cooling and heating system for the building has the following advantages:
1. The energy storage system 2 is coupled with the internal circulation heat pump system 4, so that the stability and safety of energy supply of the intelligent cooling and heating system of the building are ensured, the energy efficiency ratio of the internal circulation heat pump system 4 is improved, and the running and maintenance cost is reduced;
2. The indoor temperature of each room can be accurately controlled through the miniature energy storage device 3, indoor temperature loss is supplemented through the miniature energy storage device 3, and the intelligent control system has the advantages of being high in reaction speed and accurate, and the building 1 is effectively guaranteed to be in a constant temperature state;
3. The energy storage system 2 and the internal circulation heat pump system 4 are arranged on the roof of the building 1, so that the cost of occupied land and pipeline arrangement is reduced, and the loss of energy transmission can be reduced;
4. through intelligent control system, realize dividing room control, be favorable to improving user's 103 experience and travelling comfort.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. An intelligent cooling and heating system for a building, comprising:
a cooling pipe network (101) and a heating pipe network (102) which are arranged in the building (1);
an energy storage system (2) and an internal circulation heat pump system (4) for supplying heat or cold to the cold supply pipe network (101) and the heat supply pipe network (102);
A plurality of miniature energy storage devices (3) which are arranged in the building (1) and connected with the cold supply pipe network (101) and the heat supply pipe network (102); each layer of building (1) is provided with a plurality of miniature energy storage devices (3), and the miniature energy storage devices (3) are used for carrying out cold and warm supply on a top room of the building (1) and surrounding rooms close to the external environment;
The energy storage system (2) comprises: a cooling and heating tank (21) and a heat tank (22) which are arranged in parallel with the internal circulation heat pump system (4);
the miniature energy storage device (3) is independently connected with the heat supply pipe network (102) and the cold supply pipe network (101), and the energy storage system (2) and the internal circulation heat pump system (4) are jointly connected with the heat supply pipe network (102) and the cold supply pipe network (101).
2. The intelligent cooling and heating system of claim 1, wherein: the intelligent cooling and heating system of building still includes: and the intelligent control system is used for controlling the work of the energy storage system (2), the internal circulation heat pump system (4) and the miniature energy storage device (3).
3. The intelligent cooling and heating system of claim 1, wherein: the miniature energy storage device (3) comprises: an energy storage tank (31) and a circulation pump system (32); the energy storage tank (31) is internally provided with an energy storage material, and a heat release pump (33) is arranged on a pipeline between the energy storage tank (31) and a room of the building (1).
4. A building intelligent cooling and heating system according to claim 3, wherein: the circulation pump system (32) includes: an evaporator (321), a compressor (322), a condenser (323) and an expansion valve (324), the condenser (323) being in communication with the energy storage tank (31); the internal circulation heat pump system (4) comprises: -a plurality of sets of said circulation pump systems (32) connected in parallel.
5. A building intelligent cooling and heating system according to any of claims 1-4, wherein: an electric heater (221) is arranged in the heat tank (22), and a first temperature instrument (222) is arranged on the heat tank (22).
6. A building intelligent cooling and heating system according to any of claims 1-4, wherein: the cooling and heating tank (21) and the hot tank (22) are connected with a plate heat exchanger (17) through a pipeline, a control valve (5) and a switch valve (6) are arranged on the pipeline between the plate heat exchanger (17) and the cooling and heating tank (21), and a high-temperature pump (7) is arranged on the pipeline between the plate heat exchanger (17) and the hot tank (22).
7. The intelligent cooling and heating system of claim 6, wherein: the intelligent cooling and heating system of building still includes: a water supplementing pump (8), a softening water tank (9) and an automatic purifier (10) which are sequentially communicated with the cooling and heating tank (21) through pipelines; the automatic purifier (10) is communicated with a water inlet pipe (18).
8. The intelligent cooling and heating system of claim 7, wherein: the cooling pipe network (101) is connected with a first water collector (11), the heating pipe network (102) is connected with a second water collector (12), and a first pressure gauge (13), a first flow valve (14) and a variable frequency pump (15) are connected in series on a pipeline between the second water collector (12) and the heat tank (22) and between the second water collector and the cooling and heating tank (21); and a second temperature instrument (16) is arranged on an outlet pipeline of the variable frequency pump (15).
9. The intelligent cooling and heating system of claim 1, wherein: the cooling and heating tank (21), the heat tank (22) and the internal circulation heat pump system (4) are all arranged on the roof of the building (1), and the roof is also provided with a solar water heating system connected with the heat tank (22) or the internal circulation heat pump system (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811354861.4A CN109442537B (en) | 2018-11-14 | 2018-11-14 | Intelligent cooling and heating system for building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN101055102A (en) * | 2006-04-14 | 2007-10-17 | 潘戈 | Separated water-storage type central hot water system for building |
| CN103185368A (en) * | 2011-12-27 | 2013-07-03 | 廊坊创意博能源有限公司 | System and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat |
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| KR100780281B1 (en) * | 2007-10-15 | 2007-11-28 | (주)이에스 | High efficient ground source heat pump system for cooling and heating |
| KR101084569B1 (en) * | 2011-09-19 | 2011-11-17 | 강민정 | Hybrid hot water supplying system using solar collector and heat pump type air conditioner |
| CN108278653B (en) * | 2018-01-22 | 2023-05-26 | 河北工业大学 | Intelligent heat supply regulation and control system for large public building based on solar energy |
| CN208042404U (en) * | 2018-03-22 | 2018-11-02 | 四川协成电力工程设计有限公司 | A kind of intelligent container changes in temperature alliance work station |
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| CN101055102A (en) * | 2006-04-14 | 2007-10-17 | 潘戈 | Separated water-storage type central hot water system for building |
| CN103185368A (en) * | 2011-12-27 | 2013-07-03 | 廊坊创意博能源有限公司 | System and method for concentratedly collecting heat from solar hot water and accumulating heat by individual family and directionally transferring heat |
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