CN104776640A - Constant-temperature and constant-humidity ground source heat pump air conditioning system for indoor and outdoor machine cabinet - Google Patents
Constant-temperature and constant-humidity ground source heat pump air conditioning system for indoor and outdoor machine cabinet Download PDFInfo
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- CN104776640A CN104776640A CN201510126222.2A CN201510126222A CN104776640A CN 104776640 A CN104776640 A CN 104776640A CN 201510126222 A CN201510126222 A CN 201510126222A CN 104776640 A CN104776640 A CN 104776640A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B30/00—Heat pumps
- F25B30/06—Heat pumps characterised by the source of low potential heat
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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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or 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
- F24F5/0046—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 using natural energy, e.g. solar energy, energy from the ground
- F24F2005/0057—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 using natural energy, e.g. solar energy, energy from the ground receiving heat-exchange fluid from a closed circuit in the ground
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/40—Geothermal heat-pumps
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- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
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- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
- Central Air Conditioning (AREA)
Abstract
The invention provides a constant-temperature and constant-humidity ground source heat pump air conditioning system for an indoor and outdoor machine cabinet. The constant-temperature and constant-humidity ground source heat pump air conditioning system comprises a refrigeration or heat supply circulation structure and a circulation structure, wherein the refrigeration or heat supply circulation structure consists of a ground source heat pump machine unit, an air outlet, an air outlet pipe, an air inlet, an air return pipe and a plurality of machine cabinets, the circulation structure consists of a ground source side water return pipe, a water pump, a same-path pipe, a ground source side water outlet pipe and a plurality of groups of ground buried pipes, and is used for utilizing shallow layer ground energy, each sensor arranged on the air conditioning system is connected with an intelligent controller arranged on a ground source heat pump machine unit through a communication bus or a signal wire, and the starting and the stopping of the ground source heat pump are directly controlled by the intelligent controller. The constant-temperature and constant-humidity ground source heat pump air conditioning system has the advantages that huge recycled energy in soil can be sufficiently utilized, the refrigeration, heat supply, dehumidification and humidification are realized, the operation cost is low, the energy-saving efficiency is high, in addition, any waste gas, waste water and waste slag are not discharged to the outside, and the underground water is not influenced. The constant-temperature and constant-humidity ground source heat pump air conditioning system belongs to the field of green air conditioners.
Description
Technical field
The present invention relates to the design and manufaction technical field of cabinet air conditioner, specifically, is a kind of constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack.
Background technology
Air-conditioning is one of the equipment or household electrical appliances that generally use now.Air-conditioning of the present invention mainly refers to industry or business air-conditioning equipment.At present, a lot of industrial trade or commercial indoor and outdoor cabinet air conditioner (electrical control cabinet, communication cabinet etc.) used are the cabinet air conditioner adopting conventional compressor, semiconductor, vortex tube refrigeration modes substantially.Along with development that is industrial and commercial demand, the requirement of indoor and outdoor cabinet air conditioner is also being improved constantly, except needing the requirement of dust-proof, waterproof, shockproof and constant temperature and humidity, to the working environment in rack, especially the requirement of outdoor adverse circumstances is arranged on to rack also stricter.With regard to present circumstances, existing indoor and outdoor cabinet air conditioner also has the following disadvantages.
The deficiency that traditional compressor formula cabinet air conditioner exists has: (1) compressor operating mode has the interference of vibrations, noise and electromagnetism; (2) rack volume is comparatively large, and in cabinet, the installing space of equipment is limited; (3) the problem of the condensed water elimination produced during air-conditioning work; (4) to the heat of perimeter rows amplification quantity, environment can be affected during refrigeration; (5) the humidity in rack can not regulate.
The deficiency that semiconductor cabinet air conditioner exists has: (1) refrigerating capacity is large not, can not meet the refrigeration requirement under extreme case; (2) Energy Efficiency Ratio (COP) is less, and power consumption is larger; (3) can not regulator cubicle humidity; (4) on dust-proof, also there is deficiency.
The deficiency that vortex tube cabinet air conditioner exists has: (1) need to use industrial compressed air; (2) can produce a large amount of noises and vibrations under specific working method, must muffler be increased; (3) there is (dehumidifying oil removing) particular/special requirement to compressed air; (4) can not regulator cubicle humidity; (5) to the heat of perimeter rows amplification quantity, environment can be affected during refrigeration.
Summary of the invention
The object of the invention is to solve or partly overcome the above problems, a kind of constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack is provided, it can provide desirable humiture environment for all kinds of interior of equipment cabinet, dust, the corrosive gas of isolation external environment, extend the service life of electrical equipment, environmental protection and energy saving, improve air-conditioning system reliability of operation.
For realizing the above object, present invention employs following technical scheme.
For the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack, for the air-conditioning system utilizing superficial-layer geothermal energy to carry out refrigerating and heat-supplying, it is characterized in that, containing earth source heat pump unit, air outlet, discharge pipe, air inlet, backwind tube and some racks and ground source return pipe, water pump, with journey pipe, source outlet pipe and some groups of underground pipes; Described earth source heat pump unit arranges intelligent controller and outdoor temperature humidity sensor;
Air port and air inlet is set out in the side of described earth source heat pump unit, connect discharge pipe in the outer end of described air outlet and the first air flow sensor and the first Temperature Humidity Sensor are set, some racks described in connecting in the outer end of described discharge pipe, each rack in described some racks contains a volume control damper, air inlet, a return air inlet and a Temperature Humidity Sensor; Described discharge pipe is connected with each rack in described some racks by described volume control damper; Connect described backwind tube in the outer end of described air inlet and arrange the second air flow sensor and the second Temperature Humidity Sensor, described backwind tube is connected with the return air inlet of each rack in described some racks; Each rack in described some racks is connected with the side of backwind tube with described earth source heat pump unit by each return air inlet, forms refrigeration or heating cycle;
Described ground source return pipe and described ground source outlet pipe is connected: the EXIT POINT of described earth source heat pump unit opposite side is connected described ground source outlet pipe at the opposite side of described earth source heat pump unit, ground source outlet pipe is connected with the water inlet of described some groups of underground pipes again, the delivery port of some groups of underground pipes is connected with described same journey pipe, be connected with described ground source return pipe by described water pump, and access earth source heat pump unit, form the circulation that superficial-layer geothermal energy is utilized;
The Temperature Humidity Sensor arranged in described first air flow sensor, the first Temperature Humidity Sensor, the second air flow sensor, the second Temperature Humidity Sensor, outdoor temperature humidity sensor and each rack is connected with the intelligent controller on described earth source heat pump unit by communication bus or holding wire, data acquisition, computing is carried out by described intelligent controller, frame of reference setting value carries out fuzzy control, directly controls the start and stop of described earth source heat pump unit.
Further, described earth source heat pump unit is provided with two altogether, and they are stand-by equipment each other, and both, when having source, a tableland source pump in use, other source, a tableland source pump is just as stand-by equipment.
Further, described earth source heat pump unit is standard device, manufactures and assembling by unified standard.
Further, the rack that described some rack models are identical, manufactures and assembling by unified standard.
Further, described some underground pipes are the underground pipe of single U or double-H groove weld structure, manufacture and assembling by unified standard.
Optionally, described some underground pipes adopt PE pipe.
Further, described discharge pipe and described backwind tube are waterproof thermal-insulated pipeline.
The good effect that the present invention is used for the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack is:
(1) adopt the earth-source hot-pump system of energy-conserving and environment-protective, its Cooling and Heat Source adopts underground pipe system-buried tube type soil source heat pump system flexible for installation, to be easy to control, also claims soil manifold type heat pump, makes full use of natural superficial-layer geothermal energy.
(2) some racks of standard configuration are utilized to carry out air heat-exchange circulation or dehumidifying humidification, desirable humiture environment is provided to industry or business interior of equipment cabinet, the dust in external environment and corrosive gas have been isolated simultaneously, the service life of electrical equipment can be extended, improve cabinet equipment system operation reliability.
(3) the present invention's progress structurally shows as:
1. earth source heat pump unit is laid for being separated with some racks, and earth source heat pump unit does not affect in vibration, noise, electromagnetic interference etc. rack.
2. the air port for air intake return air has only been installed in the inside of some racks, and the space taking rack is little, is conducive to the volume reducing rack.
3. the on-the-spot discharging evaporated condensation water of some racks.
4. can not only regulate the temperature in rack, and the humidity in rack can be regulated, can realize without condensation in rack, and the generation of electrostatic can be reduced.
5. earth source heat pump unit can normally run under cold, high temperature, high humidity, dry various environment.
6. owing to not circulating with outside air, each rack can be totally-enclosed, improves the degree of protection of rack.
7. arrange 2 source, tableland source pump, the using and the reserved use, improves air-conditioning system reliability of operation, can run without interruption for a long time.
(4) the present invention can make full use of the huge energy of containing recyclable regenerative in soil, realize refrigeration and heating, and operating cost is lower: earth source heat pump can save energy 40% than air-cooled heat pump; 70% is can save energy than thermoelectricity heating; Can 48% be improved than gas furnace efficiency; Required cold-producing medium can reduce 50% than general heat pump air conditioner.In addition, the present invention also has and does not outwardly discharge any waste gas, waste water, waste residue, also do not affect the advantage of underground water, belongs to the category of " green air conditioner ".
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention for the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack.
Label in figure is respectively:
1, earth source heat pump unit; 2, air outlet;
3, the first air flow sensor; 4, the first Temperature Humidity Sensor;
5, discharge pipe; 6, air inlet;
7, the second air flow sensor; 8, the second humidity sensor;
9, backwind tube; 10, source return pipe;
11, water pump; 12, source outlet pipe;
13, outdoor temperature humidity sensor; 14, the first temperature sensor;
15, the second temperature sensor; 16, first group of underground pipe;
17, second group of underground pipe; 18, the 3rd group of underground pipe;
19, the 4th group of underground pipe; 20, the 5th group of underground pipe;
21, the first rack; 2101, the first rack volume control damper;
2102, the first rack air inlet; 2103, the first rack air outlet;
2104, the first rack Temperature Humidity Sensor; 22, the second rack;
2201, the second rack volume control damper; 2202, the second rack air inlet;
2203, the second rack air outlet; 2204, the second rack Temperature Humidity Sensor;
23, the 3rd rack; 2301, the 3rd rack volume control damper;
2302, the 3rd rack air inlet; 2303, the 3rd rack air outlet;
2304, the 3rd rack Temperature Humidity Sensor; 24, the 4th rack;
2401, the 4th rack volume control damper; 2402, the 4th rack air inlet;
2403, the 4th rack air outlet; 2404, the 4th rack Temperature Humidity Sensor;
25, the 5th rack; 2501, the 5th rack volume control damper;
2502, the 5th rack air inlet; 2503, the 5th rack air outlet;
2504, the 5th rack Temperature Humidity Sensor; 26, with journey pipe.
Detailed description of the invention
Further illustrate the detailed description of the invention of the present invention for the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack below in conjunction with accompanying drawing, but it is noted that enforcement of the present invention is not limited to following embodiment.
See accompanying drawing 1.A kind of constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack, for the air-conditioning system utilizing superficial-layer geothermal energy to carry out refrigerating and heat-supplying, containing earth source heat pump unit 1, air outlet 2, discharge pipe 5, air inlet 6, backwind tube 9 and some racks (show the first rack 21 in Fig. 1, second rack 22, 3rd rack 23, 4th rack 24 and the 5th rack 25) and ground source return pipe 10, water pump 11, with journey pipe 26, ground source outlet pipe 12 and some groups of underground pipes (show first group of underground pipe 16 in Fig. 1, second group of underground pipe 17, 3rd group of underground pipe 18, 4th group of underground pipe 19 and the 5th group of underground pipe 20).
Described earth source heat pump unit 1 is the unit adding humidifying/dehumidifying apparatus and air circulation system on the basis of the geothermal heat pump air-conditioner main frame of routine.The present invention have employed the earth source heat pump unit 1 described in two in force, and they are all standard device, manufactures and assembling by unified standard.Arranged by stand-by equipment each other by two described earth source heat pump units 1, both, when there being source, a tableland source pump 1 to use, other source, a tableland source pump 1 is in stand-by state.
Described earth source heat pump unit 1 arranges intelligent controller and outdoor temperature humidity sensor 13.Described intelligent controller adopts DSP digital processing chip as main control chip, there is RS232, RS485, Ethernet and wireless communication function simultaneously, the real-time network communication of each sensor and earth source heat pump unit 1, earth source heat pump unit 1 and remote control terminal can be realized.Described intelligent controller contains on-the-spot touch display terminal, master control circuit plate (master controller).Described touch display terminal can show the ruuning situation of each parts of air-conditioning system (each rack and each underground pipe), customer parameter is arranged and control inerface, alarm signal content, system cloud gray model curve etc.Described intelligent controller can carry out data acquisition incessantly in refrigeration or heating operations, computing and control: by temperature sensor that each rack is arranged, (what show in Fig. 1 is the first rack Temperature Humidity Sensor 2104, second rack Temperature Humidity Sensor 2204, 3rd rack Temperature Humidity Sensor 2304, 4th rack Temperature Humidity Sensor 2404 and the 5th rack Temperature Humidity Sensor 2504) (what show in Fig. 1 is the first rack 21 to gather each rack, second rack 22, 3rd rack 23, 4th rack 24 and the 5th rack 25) in real time temperature, return air temperature and air quantity is gathered by the second air flow sensor 7 of arranging in earth source heat pump unit 1 return air inlet 6 outer end and the second Temperature Humidity Sensor 8, outdoor environment temperature is gathered by the outdoor temperature humidity sensor 13 arranged on earth source heat pump unit 1, through master controller computing and compare with setting value and draw temperature difference.Carry out fuzzy operation by the rate of change of the relative acquisition time to described temperature difference and temperature approach master controller again and show that cooling and warming exports percentage, then control compressor, valve body, water pump, the stepless speed regulation EC blower fan in earth source heat pump unit 1 according to this, thus the temperature in described some racks is controlled in the scope of setting value.
Described intelligent controller can carry out data acquisition incessantly in dehumidifying humidification, computing and control: (what show in Fig. 1 is the first rack Temperature Humidity Sensor 2104 to the humidity sensor arranged by described each interior of equipment cabinet, second rack Temperature Humidity Sensor 2204, 3rd rack Temperature Humidity Sensor 2304, 4th rack Temperature Humidity Sensor 2404 and the 5th rack Temperature Humidity Sensor 2504) (what show in Fig. 1 is the first rack 21 to gather described each rack, second rack 22, 3rd rack 23, 4th rack 24 and the 5th rack 25) in real-time humidity, return air humidity is gathered by the first air flow sensor 3 of arranging in earth source heat pump unit 1 air outlet 2 outer end and the first Temperature Humidity Sensor 4, outdoor environment humidity is gathered by the outdoor temperature humidity sensor 13 arranged on earth source heat pump unit 1, through master controller computing and compare with setting value and draw psychrometric difference.Carry out fuzzy operation by the rate of change of the relative acquisition time to described psychrometric difference and wet difference master controller again and show that dehumidifying humidification exports percentage, then compressor, valve body, water pump, the stepless speed regulation EC blower fan in earth source heat pump unit 1 is controlled according to this, thus by the humid control in described some racks in the scope of setting value.
Air port 2 and return air inlet 6 is set out in the side (right side in Fig. 1 direction) of described earth source heat pump unit 1.Connect discharge pipe 5 in the outer end of described air outlet 2 and the first air flow sensor 3 and the first Temperature Humidity Sensor 4 is set.Some racks described in connecting in the outer end of described discharge pipe 5.In enforcement, described some racks can design concrete configuration quantity according to product type, and introductory statement is in fig. 1: the first rack 21, second rack 22, the 3rd rack 23, the 4th rack 24 and the 5th rack 25.Described some racks can adopt 19 " standard or nonstandard rack, as: indoor and outdoor relay protection cabinet, communication cabinet, electric control cabinet etc.But, need in rack, install the air outlet (what show in Fig. 1 is the first rack air outlet 2103, second rack air outlet 2203, the 3rd rack air outlet 2303, the 4th rack air outlet 2403 and the 5th rack air outlet 2503) wanted required for the present invention, described air outlet manufactures and assembling by unified standard.
Each rack in described some racks contains a volume control damper, and (what show in Fig. 1 is the first rack volume control damper 2101, second rack volume control damper 2201, 3rd rack volume control damper 2301, 4th rack volume control damper 2401 and the 5th rack volume control damper 2501), (what show in Fig. 1 is the first rack air inlet 2102 to an air inlet, second rack air inlet 2202, 3rd rack air inlet 2302, 4th rack air inlet 2402 and the 5th rack air inlet 2502) and an air outlet (what show in Fig. 1 is the first rack air outlet 2103, second rack air outlet 2203, 3rd rack air outlet 2303, 4th rack air outlet 2403 and the 5th rack air outlet 2503) and a Temperature Humidity Sensor (what show in Fig. 1 is the first rack Temperature Humidity Sensor 2104, second rack Temperature Humidity Sensor 2204, 3rd rack Temperature Humidity Sensor 2304, 4th rack Temperature Humidity Sensor 2404 and the 5th rack Temperature Humidity Sensor 2504).Described volume control damper can adopt volume damper manually or automatically
;described air inlet can adopt the customization air port of the materials such as ABS, stainless steel, aluminium alloy
;described air outlet can adopt the customization air port of the materials such as ABS, stainless steel, aluminium alloy
;described Temperature Humidity Sensor can adopt the Temperature Humidity Sensor of band RS-485 standard communication interface
.described discharge pipe 5 is connected with each rack in described some racks by described volume control damper.
Connect described backwind tube 9 in the outer end of described air inlet 6 and the second air flow sensor 7 and the second Temperature Humidity Sensor 8 is set.Described backwind tube 9 is connected with the air outlet (what show in Fig. 1 is the first rack air outlet 2103, second rack air outlet 2203, the 3rd rack air outlet 2303, the 4th rack air outlet 2403 and the 5th rack air outlet 2503) of each rack in described some racks.Each rack in described some racks is connected with backwind tube 9 by air outlet described separately and is connected by the side of described backwind tube 9 with described earth source heat pump unit 1, forms the loop structure of refrigeration or heat supply.
Described ground source return pipe 10 and described ground source outlet pipe 12 is connected: the water entry on the left of earth source heat pump unit 1 by install pipeline water pump 11, and then is connected with described ground source return pipe 10 by described water pump 11 at the opposite side (left side in Fig. 1 direction) of described earth source heat pump unit 1.Described ground source return pipe 10 is connected with some groups of underground pipes with described same journey pipe 26 (introductory statement in accompanying drawing 1 is: first group of underground pipe, 16, second group of underground pipe 17, the 3rd group of underground pipe 18, the 4th group of underground pipe 19 and the 5th group of underground pipe 20) by one-way joint again.Underground pipe of the present invention can adopt the buried PE pipe of single U or double-H groove weld structure.No matter adopt the underground pipe of which kind of form, all should manufacture and assembling by unified standard, in enforcement, the configuration quantity of underground pipe and the degree of depth vertically imbedded depending on employing air-conditioning model and local soil property be installed select.
Described some groups of underground pipes (show in Fig. 1 be first group of underground pipe, 16, second group of underground pipe 17, the 3rd group of underground pipe 18, the 4th group of underground pipe 19 and the 5th group of underground pipe 20) are connected by described same journey pipe 26, and such structure can ensure that the intake pressure of described some groups of underground pipes is relative constancy.The other end of described some groups of underground pipes is connected with the water entry on the left of described earth source heat pump unit 1 with described ground source return pipe 10 by one-way joint.EXIT POINT and ground source outlet pipe 12, backwater point and ground source return pipe 10 and described same journey pipe 26 and described some groups of underground pipes form air-conditioning system of the present invention and effectively recycle superficial-layer geothermal energy.
In enforcement, all discharge pipes of the present invention 5 and backwind tube 9 adopt waterproof thermal-insulated pipeline.
In enforcement, first air flow sensor 3 of the present invention, first Temperature Humidity Sensor 4, second air flow sensor 7, second humidity sensor 8, outdoor temperature humidity sensor 13 and the first rack Temperature Humidity Sensor 2104, second rack Temperature Humidity Sensor 2204, 3rd rack Temperature Humidity Sensor 2304, 4th rack Temperature Humidity Sensor 2404 is connected with the intelligent controller on earth source heat pump unit 1 by communication bus or holding wire with the 5th rack Temperature Humidity Sensor 2504, data acquisition is carried out by described intelligent controller, computing, frame of reference setting value carries out fuzzy control, the start and stop of the described earth source heat pump unit 1 of direct control.
The present invention is used for the operation principle of constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack and the course of work is:
(1) air heat-exchange circulation
Air in some racks in each rack (the first rack 21, second rack 22, the 3rd rack 23, the 4th rack 24 and the 5th rack 25) enters described earth source heat pump unit 1 through the air outlet (the first rack air outlet 2103, second rack air outlet 2203, the 3rd rack air outlet 2303, the 4th rack air outlet 2403 and the 5th rack air outlet 2503) of rack itself, backwind tube 9 and air inlet 6, the data that the intelligent controller on earth source heat pump unit 1 provides according to each sensor again and the parameter set carry out cold and hot conversion operation pattern from main regulation, air after earth source heat pump unit 1 regulates is again by EC blower fan, discharge pipe 5, volume control damper (the first rack volume control damper 2101 of each rack outside in some racks, second rack volume control damper 2201, 3rd rack volume control damper 2301, 4th rack volume control damper 2401 and the 5th rack volume control damper 2501) and cabinet in air inlet (the first rack air inlet 2102, second rack air inlet 2202, 3rd rack air inlet 2302, 4th rack air inlet 2402 and the 5th rack air inlet 2502) enter each rack of some racks, thus form primary air recuperated cycle.
In whole heat transfer process, adopt the control system of intelligent fuzzy by signals collecting, Operation and control, the cooling and warming running status of accurate control earth source heat pump unit 1, what make the environment temperature in each rack of some racks reach in certain limit is constant.
(2) dehumidify humidification
In dehumidifying humidification, each rack (the first rack 21 in some racks, second rack 22, 3rd rack 23, 4th rack 24 and the 5th rack 25) in air through air outlet (the first rack air outlet 2103 of rack itself, second rack air outlet 2203, 3rd rack air outlet 2303, 4th rack air outlet 2403 and the 5th rack air outlet 2503), backwind tube 9 and air inlet 6 enter described earth source heat pump unit 1, the data that intelligent controller on earth source heat pump unit 1 provides according to each sensor again and the parameter set carry out dehumidifying humidification operational mode from main regulation, air after earth source heat pump unit 1 dehumidifies humidification adjustment is again by EC blower fan, discharge pipe 5, volume control damper (the first rack volume control damper 2101 of each rack outside in some racks, second rack volume control damper 2201, 3rd rack volume control damper 2301, 4th rack volume control damper 2401 and the 5th rack volume control damper 2501) and cabinet in air inlet (the first rack air inlet 2102, second rack air inlet 2202, 3rd rack air inlet 2302, 4th rack air inlet 2402 and the 5th rack air inlet 2502) enter each rack of some racks, thus form the circulation of primary air dehumidifying humidification.
In whole dehumidifying humidification, adopt the control system of intelligent fuzzy by signals collecting, Operation and control, the dehumidifying accurately controlling earth source heat pump unit 1 adds moisture, and what make the ambient humidity in each rack of some racks reach in certain limit is constant.
(3) by underground pipe process is utilized to superficial-layer geothermal energy
Be carry out cold and hot exchange by the temperature difference of subsurface temperature and surface temperature, realize recycling superficial-layer geothermal energy.
Summer, the cold ground level heat in underground, the heat produced in process of refrigerastion by earth source heat pump unit 1 flows into from the EXIT POINT of earth source heat pump unit 1 and ground source outlet pipe 12 the some groups of underground pipe pipelines closed through medium (water), by transfer of heat to underground, through the cooled water of buried under ground pipe again through with journey pipe 26, source return pipe 10, water pump 11 and water entry enter earth source heat pump unit 1.
Winter, underground heat ground is cold, the cold produced in heating operations by earth source heat pump unit 1 flows into from the EXIT POINT of earth source heat pump unit 1 and ground source outlet pipe 12 the some groups of underground pipe pipelines closed through medium (water), cold is transferred to underground, the water after the underground pipe heat exchange of underground again through with journey pipe 26, source return pipe 10, water pump 11 and water entry enter earth source heat pump unit 1.
Therefore say, the present invention is used for the energy source of the constant temperature and humidity geothermal heat pump air-conditioning system cooling heat exchange of indoor and outdoor rack in natural energy resources, and it does not outwardly discharge any waste gas, waste water, waste residue, does not affect underground water yet, is a kind of desirable " green air conditioner "; Be at present spendable to environment the most friendly and the most effective cold and heat supply system; Can apply in area comparatively widely.
Claims (7)
1. for the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack, for the air-conditioning system utilizing superficial-layer geothermal energy to carry out refrigerating and heat-supplying, it is characterized in that, containing earth source heat pump unit (1), air outlet (2), discharge pipe (5), air inlet (6), backwind tube (9) and some racks and ground source return pipe (10), water pump (11), with journey pipe (26), source outlet pipe (12) and some groups of underground pipes;
Described earth source heat pump unit (1) arranges intelligent controller and outdoor temperature humidity sensor (13);
Air port (2) and air inlet (6) is set out in the side of described earth source heat pump unit (1), connect discharge pipe (5) in the outer end of described air outlet (2) and the first air flow sensor (3) and the first Temperature Humidity Sensor (4) are set, some racks described in connecting in the outer end of described discharge pipe (5), each rack in described some racks contains a volume control damper, air inlet, a return air inlet and a Temperature Humidity Sensor; Described discharge pipe (5) is connected with each rack in described some racks by described volume control damper; Connect described backwind tube (9) in the outer end of described air inlet (6) and arrange the second air flow sensor (7) and the second Temperature Humidity Sensor (8), described backwind tube (9) is connected with the return air inlet of each rack in described some racks; Each rack in described some racks is connected with the side of backwind tube (9) with described earth source heat pump unit (1) by each return air inlet, forms refrigeration or heating cycle;
Described ground source return pipe (10) and described ground source outlet pipe (12) is connected: the EXIT POINT of described earth source heat pump unit (1) opposite side is connected described ground source outlet pipe (12) at the opposite side of described earth source heat pump unit (1), ground source outlet pipe (12) is connected with the water inlet of described some groups of underground pipes again, the delivery port of some groups of underground pipes is connected with described same journey pipe (26), be connected with described ground source return pipe (10) by described water pump (11), and access earth source heat pump unit (1), form the circulation that superficial-layer geothermal energy is utilized;
The Temperature Humidity Sensor arranged in described first air flow sensor (3), the first Temperature Humidity Sensor (4), the second air flow sensor (7), the second humidity sensor (8), outdoor temperature humidity sensor (13) and each rack is connected with the intelligent controller on described earth source heat pump unit (1) by communication bus or holding wire, data acquisition, computing is carried out by described intelligent controller, frame of reference setting value carries out fuzzy control, directly controls the start and stop of described earth source heat pump unit 1.
2. the constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack according to claim 1, it is characterized in that, described earth source heat pump unit (1) is provided with two altogether, they are stand-by equipment each other, both, when having a source, tableland source pump (1) in use, an other source, tableland source pump (1) is just as stand-by equipment.
3. the constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack according to claim 2, is characterized in that, described earth source heat pump unit (1) is standard device, manufactures and assembling by unified standard.
4. the constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack according to claim 1, is characterized in that, the rack that described some rack models are identical, manufactures and assembling by unified standard.
5. the constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack according to claim 1, is characterized in that, described some underground pipes are the underground pipe of single U or double-H groove weld structure, manufactures and assembling by unified standard.
6. the constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack according to claim 5, is characterized in that, described some underground pipes adopt PE pipe.
7. the constant temperature and humidity geothermal heat pump air-conditioning system for indoor and outdoor rack according to claim 1, is characterized in that, described discharge pipe (5) and described backwind tube (9) are waterproof thermal-insulated pipeline.
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| CN201510126222.2A CN104776640B (en) | 2015-03-23 | 2015-03-23 | For the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack |
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| CN201510126222.2A CN104776640B (en) | 2015-03-23 | 2015-03-23 | For the constant temperature and humidity geothermal heat pump air-conditioning system of indoor and outdoor rack |
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| CN104776640B (en) | 2017-06-06 |
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