CN107726659A - Air source heat pump/solar energy heat pump system installation and debugging practice training examination device - Google Patents
Air source heat pump/solar energy heat pump system installation and debugging practice training examination device Download PDFInfo
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- CN107726659A CN107726659A CN201710886794.XA CN201710886794A CN107726659A CN 107726659 A CN107726659 A CN 107726659A CN 201710886794 A CN201710886794 A CN 201710886794A CN 107726659 A CN107726659 A CN 107726659A
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- 238000012549 training Methods 0.000 title claims abstract description 37
- 238000009434 installation Methods 0.000 title claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 212
- 238000010438 heat treatment Methods 0.000 claims abstract description 62
- 238000004378 air conditioning Methods 0.000 claims description 33
- 238000004146 energy storage Methods 0.000 claims description 25
- 238000001914 filtration Methods 0.000 claims description 22
- 238000001035 drying Methods 0.000 claims description 19
- 239000007788 liquid Substances 0.000 claims description 17
- 239000003507 refrigerant Substances 0.000 claims description 14
- 239000012530 fluid Substances 0.000 claims description 13
- 239000011521 glass Substances 0.000 claims description 4
- 230000008961 swelling Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 description 6
- 239000008236 heating water Substances 0.000 description 6
- 238000005057 refrigeration Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 5
- 238000005485 electric heating Methods 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 238000010792 warming Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
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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
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
-
- 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
- F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
- F25B43/006—Accumulators
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Power Engineering (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention discloses air source heat pump/solar energy heat pump system installation and debugging practice training examination device.The air source heat pump/solar energy heat pump system installation and debugging practice training examination device includes automatic control system, refrigerating and heating systems, cold and hot water supply system, air-conditioner controller, indoor fan coil pipe and water system, and air-conditioner controller is connected with indoor fan coil pipe；Water system can be supplied water by cold and hot water supply system to refrigerating and heating systems；Refrigerating and heating systems, cold and hot water supply system, air-conditioner controller and water system are connected with automatic control system, and automatic control system is provided with mixed-media network modules mixed-media；Refrigerating and heating systems are connected with cold and hot water supply system, and cold and hot water supply system is connected with indoor fan coil pipe.Cost of the present invention is low so that student need not carry out training operation in industry spot, with regard to energy repeated disassembled and assembled real training on this practice training examination device, so as to improve the understanding of student and manipulative ability.
Description
Technical field
The present invention relates to teaching equipment technical field, more particularly to air source heat pump/solar energy heat pump system installation and tune
Try practice training examination device.
Background technology
In order to promote big-and-middle universities and colleges to relevant speciality construction and curriculum reform, it is easy to lecture experiment to enable more people
Air source heat pump/solar energy heat pump system is better understood by, turns out more air source heat pumps/solar energy heat pump system industry
Development need, the research and development of air source heat pump/solar energy heat pump system teaching research device become more important.
The content of the invention
It is an object of the invention to provide a kind of air source heat pump/solar energy heat pump system installation and debugging for being easy to teaching are real
Checking device is instructed, can solve one or more of above-mentioned prior art problem.
According to an aspect of the invention, there is provided air source heat pump/solar energy heat pump system installation and debugging real training is examined
Nuclear device, including automatic control system, refrigerating and heating systems, cold and hot water supply system, air-conditioner controller, indoor fan coil pipe and confession
Water system, air-conditioner controller are connected with indoor fan coil pipe；
Water system can be supplied water by cold and hot water supply system to refrigerating and heating systems；
Refrigerating and heating systems, cold and hot water supply system, air-conditioner controller and water system are connected with automatic control system, from
Autocontrol system is provided with mixed-media network modules mixed-media；
Refrigerating and heating systems are connected with cold and hot water supply system, and cold and hot water supply system is connected with indoor fan coil pipe.
The beneficial effects of the present invention are：The present invention, will be certainly by simulating an air source heat pump/solar energy heat pump system
Autocontrol system, refrigerating and heating systems, cold and hot water supply system, air-conditioner controller and indoor fan coil pipe concentrate on an operating desk
On, control refrigerating and heating systems to produce cold water/hot water by automatic control system, then by cold and hot water supply system cold water/heat
Water is delivered to indoor fan coil pipe and by control blowing cold air/hot blast of air-conditioner controller, has the advantages of cost is low so that
Student need not carry out training operation in industry spot, with regard to energy repeated disassembled and assembled real training on this practice training examination device, so as to carry
The understanding of high student and manipulative ability.Further, since automatic control system is provided with mixed-media network modules mixed-media, can be controlled by network whole
The running status of device, the design of network control software is completed with writing.Failure can be carried out by network to set and examine, so as to
Greatly facilitate and student is giveed training and examined.
In some embodiments, refrigerating and heating systems include compressor, gas-liquid separator, air-conditioning ground heating heat exchanger, room
External heat exchanger/solar thermal collector, four-way valve, throttle expansion valve, unidirectional valve group, economizer, fluid reservoir and device for drying and filtering；
Compressor is provided with compressor outlet and compressor inlet, and compressor outlet connects by the first of pipeline and four-way valve
Mouth connection, the second interface of four-way valve are connected by pipeline with outdoor heat exchanger/solar thermal collector, the 3rd interface of four-way valve
It is connected by gas-liquid separator with compressor inlet, the 4th interface of four-way valve passes through air-conditioning ground heating heat exchanger and unidirectional valve group
First interface connects；
The first interface of unidirectional valve group passes through the fluid reservoir, economizer, device for drying and filtering and the throttling that are sequentially communicated by pipeline
Expansion valve connects with the second interface of unidirectional valve group, and the second interface of unidirectional valve group passes through pipeline and outdoor heat exchanger/solar energy
Heat collector is connected；
The second interface of four-way valve by the 3rd orifice of outdoor heat exchanger/solar thermal collector and unidirectional valve group,
3rd interface of unidirectional valve group is connected by pipeline with fluid reservoir；
Throttle expansion valve is connected by the 4th interface of unidirectional valve group with air-conditioning ground heating heat exchanger.
Thus, in heating, the flow of refrigerant is：First interface → four-way valve of exhaust outlet of compressor → four-way valve
First interface → fluid reservoir → economizer → device for drying and filtering → section of four interfaces → air-conditioning ground heating heat exchanger → unidirectional valve group
Flow three interfaces → gas-liquid point of second interface → four-way valve of expansion valve → outdoor heat exchanger/solar thermal collector → four-way valve
From device → compressor inlet.In refrigeration, the flow of refrigerant is：First interface → outdoor of compressor outlet → four-way valve is changed
Three interfaces → fluid reservoir → economizer → device for drying and filtering → throttle expansion valve of hot device/solar thermal collector → unidirectional valve group
Three interfaces → gas of four interfaces → four-way valve of four interfaces → air-conditioning ground heating heat exchanger → four-way valve of → unidirectional valve group
Liquid/gas separator → compressor inlet.
In some embodiments, increasing enthalpy interface is additionally provided with compressor, the connection between economizer and device for drying and filtering
Increasing enthalpy expansion valve is parallel with pipeline, by device for drying and filtering refrigerant a part by pipeline flow-direction throttle expansion valve,
Economizer is flowed through and eventually through pipeline through increasing enthalpy by increasing enthalpy expansion valve by another part of the refrigerant of device for drying and filtering
Interface flows into compressor.Thus, in ultralow temperature or superhigh temperature, liquid refrigerant is stablized by way of swell refrigeration, with
The capacity and efficiency of compressor are improved, extends the service life of compressor.
In some embodiments, throttle expansion valve and increasing enthalpy expansion valve are electric expansion valve.Due to electric expansion valve
With the incomparable good characteristic of heating power expansion valve, using electric expansion valve, be advantageous to the present invention and realize automation and intelligence
Change, be easy to teaching and training operation.
In some embodiments, the pipeline that throttle expansion valve connects with the second interface of unidirectional valve group is provided with and regards liquid
Mirror.Thus, by setting liquid-sighting glass, it is to be in liquid condition in gaseous state that can check refrigerant, it is possible thereby to
Improve the operability and modulability of the present invention.
In some embodiments, cold and hot water supply system includes water inlet and delivery port, and one end of water inlet can be by following
Ring pump is connected with the air-conditioning water return outlet of air-conditioning ground heating heat exchanger, and one end of delivery port can pass through pipeline and air-conditioning ground heating heat exchanger
Air-conditioner water outlet mouth be connected；Water system can be supplied water by water inlet to refrigerating and heating systems, and the other end of delivery port passes through
Pipeline is connected with indoor fan coil pipe.Thus, cold water/heat is transmitted to indoor fan coil pipe by the delivery port of cold and hot water supply system
Water, to realize refrigerating/heating, while it can also be supplied water by the water inlet of cold and hot water supply system to air-conditioning ground heating heat exchanger.
In some embodiments, indoor fan coil pipe is connected by pipeline with energy storage water tank, and water system passes through accumulation of energy
Water tank is connected with the water inlet of cold and hot water supply system.Thus, by setting energy storage water tank, the effect of caching cold water/hot water can be played
Fruit, so as to ensure when the compressor is shut down, cold water/hot water is provided to indoor fan coil pipe by energy storage water tank, to reach
The effect of refrigerating/heating in short-term.
In some embodiments, energy storage water tank passes through the swelling water tank, water circulating pump, check valve that are sequentially communicated by pipeline
It is connected with filter with the water inlet of cold and hot water supply system.Thus, it is possible to further improve the using effect of the present invention, it is easy to grasp
Make, by setting filter, water quality can be filtered, so as to extend the service life of the present invention.
In some embodiments, the delivery port of cold and hot water supply system passes through the water pressure gauge that is sequentially communicated by pipeline, first-hand
Valve, second-hand's valve, the first water flow switch and the 3rd hand valve are connected with indoor fan coil pipe, the pipe that water pressure gauge connects with first-hand valve
Road is provided with gate valve, and gate valve is connected by pipeline with blow-off pipe, the both ends of second-hand's valve by pipeline be parallel with the 4th hand valve and
5th hand valve, electrically heated boiler is provided between the 4th hand valve and the 5th hand valve, is connected between indoor fan coil pipe and energy storage water tank
6th hand valve.Thus, such a design can improve the stability of the present invention, can be with by setting the gate valve that is connected with blow-off pipe
Caused sewage in timely device of draining, so as to improve the service life of the present invention.
In some embodiments, water system passes through the pressure-reducing valve, the automatic water compensating valve and second that are sequentially communicated by pipeline
Water flow switch is connected with energy storage water tank, and the pipeline that automatic water compensating valve is connected with energy storage water tank is provided with draining valve, and draining valve passes through
Pipeline is connected with downcomer.Thus, by setting automatic water compensating valve, the automation of the present invention can be improved, strengthens the present invention's
Security performance.
Brief description of the drawings
Fig. 1 is the air source heat pump/solar energy heat pump system installation and debugging real training examination dress of an embodiment of the present invention
The overall structure diagram put；
Fig. 2 is the refrigerated medium in air source heat pump shown in Fig. 1/solar energy heat pump system installation and debugging practice training examination device
The structural representation of hot systems；
Fig. 3 is the hot and cold water in air source heat pump shown in Fig. 1/solar energy heat pump system installation and debugging practice training examination device
The structural representation of system；
Fig. 4 is the backwater system in air source heat pump shown in Fig. 1/solar energy heat pump system installation and debugging practice training examination device
The structural representation of system.
Embodiment
The invention will now be described in further detail with reference to the accompanying drawings.
Fig. 1 to Fig. 4 schematically shows air source heat pump/solar heat pump according to one embodiment of the present invention
System installation and debugging practice training examination device.As illustrated, the device includes automatic control system 1, refrigerating and heating systems 2, cold
Hot-water heating system 3, air-conditioner controller 4, indoor fan coil pipe 5 and water system 6, air-conditioner controller 4 and the phase of indoor fan coil pipe 5
Even.
Wherein, water system 6 can be supplied water by cold and hot water supply system 3 to refrigerating and heating systems 2, refrigerating and heating systems 2 with
Cold and hot water supply system 3 is connected, and cold and hot water supply system 3 is connected with indoor fan coil pipe 5, refrigerating and heating systems 2, cold and hot water supply system 3, air-conditioning
Controller 4 and water system 6 are connected with automatic control system 1, and automatic control system 1 is provided with mixed-media network modules mixed-media 7.The present invention
By simulating an air source heat pump/solar energy heat pump system, by automatic control system 1, refrigerating and heating systems 2, cold and hot water system
System 3, air-conditioner controller 4, water system 6 and indoor fan coil pipe 5 are concentrated on an operating desk, pass through automatic control system 1
Refrigerating and heating systems 2 are controlled to produce cold water/hot water, then by cold and hot water supply system 3 cold water/delivery to indoor fan disk
Pipe 5 and by control blowing cold air/hot blast of air-conditioner controller 4, has the advantages of cost is low so that student need not be in industry
Training operation is carried out on scene, with regard to energy repeated disassembled and assembled real training on this practice training examination device, so as to improve the understanding of student and move
Hand ability.Further, since automatic control system 1 is provided with mixed-media network modules mixed-media 7, the operation of whole device thus can be controlled by network
State, the design of network control software is completed with writing.Failure can be carried out by network to set and examination, so as to greatly facilitate pair
Student gives training and examined..
In order to improve the present invention operability and security, automatic control system 1 may include control mainboard, touch-screen,
A.C. contactor, overheat protector, current transformer, voltmeter, compressor capacitor.
Refrigerating and heating systems 2 may include compressor 21, gas-liquid separator 22, air-conditioning ground heating heat exchanger 23, outdoor heat exchanger/
Solar thermal collector 24, four-way valve 25, throttle expansion valve 26, unidirectional valve group 27, economizer 28, fluid reservoir 29 and device for drying and filtering
210；Compressor 21 is provided with compressor outlet 2101 and compressor inlet 2102, and compressor outlet 2101 passes through pipeline and four-way
The first interface connection of valve 25, the second interface of four-way valve 25 are connected by pipeline with outdoor heat exchanger/solar thermal collector 24,
3rd interface of four-way valve 25 is connected by gas-liquid separator 22 with compressor inlet 2102, and the 4th interface of four-way valve 25 passes through
Air-conditioning ground heating heat exchanger 23 connects with the first interface of unidirectional valve group 27；The first interface of unidirectional valve group 27 by by pipeline successively
Fluid reservoir 29, economizer 28, device for drying and filtering 210 and the throttle expansion valve 26 of connection connect with the second interface of unidirectional valve group 27
Logical, the second interface of unidirectional valve group 27 is connected by pipeline with outdoor heat exchanger/solar thermal collector 24；The second of four-way valve 25
Interface is by the 3rd orifice of outdoor heat exchanger/solar thermal collector 24 and unidirectional valve group 27, and the 3rd of unidirectional valve group 27 the
Interface is connected by pipeline with fluid reservoir 29；Throttle expansion valve 26 is exchanged heat by the 4th interface of unidirectional valve group 27 with air-conditioning ground heating
Device 23 is connected.
Thus, in heating, the flow of refrigerant is：First interface → four-way of 21 exhaust outlets of compressor → four-way valve 25
First interface → 29 → economizer of fluid reservoir 28 of four interfaces of valve 25 → air-conditioning ground heating heat exchanger 23 → unidirectional valve group 27 →
The second interface of 210 → throttle expansion valve of device for drying and filtering, 26 → outdoor heat exchanger/24 → four-way valve of solar thermal collector 25 →
Three interfaces of four-way valve 25 → 22 → compressor inlet of gas-liquid separator 2102.In refrigeration, the flow of refrigerant is：Compression
Second interface → outdoor heat exchanger/solar thermal collector 24 of first interface → four-way valve 25 of machine outlet 2101 → four-way valve 25
Three interfaces → 210 → throttle expansion valve of fluid reservoir 29 → economizer, 28 → device for drying and filtering 26 of → unidirectional valve group 27 → unidirectional
3rd interface of four interfaces → four-way valve 25 of four interfaces of valve group 27 → 23 → four-way valve of air-conditioning ground heating heat exchanger 25 →
22 → compressor inlet of gas-liquid separator 2102.
Further, increasing enthalpy interface 2103, the company between economizer 28 and device for drying and filtering 210 are additionally provided with compressor 21
Increasing enthalpy expansion valve 211 is parallel with threading a pipe, is throttled by a part for the refrigerant of device for drying and filtering 210 by pipeline flow-direction
Expansion valve 26, economizer 28 and most is flowed through by increasing enthalpy expansion valve 211 by another part of the refrigerant of device for drying and filtering 210
Compressor 21 is flowed into through increasing enthalpy interface 2103 by pipeline eventually.Thus, in ultralow temperature or superhigh temperature, the side of swell refrigeration is passed through
Formula stablizes liquid refrigerant, to improve the capacity of compressor 21 and efficiency, improves the service life of compressor 21.
Throttle expansion valve 26 and increasing enthalpy expansion valve 211 are preferably electric expansion valve.Because electric expansion valve has heating power
The incomparable good characteristic of expansion valve, using electric expansion valve, be advantageous to the present invention and realize intellectually and automatically, be easy to teach
And training operation.
In order to improve the reliability of the present invention, on the pipeline that throttle expansion valve 26 connects with the second interface of unidirectional valve group 27
Provided with liquid-sighting glass 212.Thus, by setting liquid-sighting glass 212, it can check that refrigerant is in gaseous state
Liquid condition, it is possible thereby to improve the operability and modulability of the present invention.
In order to improve the security performance of the present invention, frost prevention switch can be connected by pipeline on air-conditioning ground heating heat exchanger 23
2303。
As a preferred embodiment, cold and hot water supply system 3 includes water inlet 3101 and delivery port 3102, one end energy of water inlet 3101
Enough it is connected by circulating pump 32 with the air-conditioning water return outlet 2301 of air-conditioning ground heating heat exchanger 23, one end of delivery port 3102 can pass through
Pipeline is connected with the air-conditioner water outlet mouth 2302 of air-conditioning ground heating heat exchanger 23；Water system 6 can be by water inlet 3101 to refrigeration
Heating 2 is supplied water, and the other end of delivery port 3102 is connected by pipeline with indoor fan coil pipe 5.Thus, cold and hot water system is passed through
The delivery port 3102 of system 3 transmits cold water/hot water to indoor fan coil pipe 5, to realize refrigerating/heating, while can also be by cold
The water inlet 3101 of hot-water heating system 3 supplies water to air-conditioning ground heating heat exchanger 23.
Further, indoor fan coil pipe 5 is connected by pipeline with energy storage water tank 33, and water system 6 passes through energy storage water tank
33 are connected with the water inlet 3101 of cold and hot water supply system 3.Thus, by setting energy storage water tank 33, cooling and warming can met
Under the conditions of when, by cold water/hot water storage unnecessary in indoor fan coil pipe 5 in energy storage water tank 33, can play caching cold water/
The effect of hot water, so as to ensure when compressor 21 is shut down, provided by energy storage water tank 33 to indoor fan coil pipe 5 cold
Water/hot water, to reach the effect of refrigerating/heating in short-term, after ensuring that compressor 21 is shut down, to keep indoor temperature, make room
Interior temperature in a short time will not great changes will take place.
In order to improve the use environment of the present invention when in use, the present apparatus also includes return water system 8, and return water system 8 is used for
Collect real training when water leakage and be back to water system 6 after filtering, return water system 8 include collection water tank 81, collection water tank 81
It is connected by the graded filter 82, backwater check valve 83 and backwater circulation water pump 84 that are sequentially communicated by pipeline with water system 6.
Thus, by setting return water system 8, can in order to supply water or pressure testing caused by water leakage recovery.
Energy storage water tank 33 can pass through the swelling water tank 34 that is sequentially communicated by pipeline, water circulating pump 35, check valve 36 and filtering
Device 37 is connected with the water inlet 3101 of cold and hot water supply system 3.Thus, it is possible to further improve the using effect of the present invention, it is easy to grasp
Make, by setting filter 37, water quality can be filtered, so as to extend the service life of the present invention.
The delivery port 3102 of cold and hot water supply system 3 can pass through the water pressure gauge 312 that is sequentially communicated by pipeline, first-hand valve 313,
Second-hand valve 314, the first water flow switch 315 and the 3rd hand valve 316 are connected with indoor fan coil pipe 5, water pressure gauge 312 and first-hand valve
The pipeline of 313 connections is provided with gate valve 317, and gate valve 317 is connected by blow-off pipe 318 with collection water tank 81, second-hand's valve 314
Both ends are parallel with the 4th hand valve 319 and the 5th hand valve 320 by pipeline, and electricity is provided between the 4th hand valve 319 and the 5th hand valve 320
Heating boiler 321, the pipeline connected between the first water flow switch 315 and the 3rd hand valve 316 are provided with safety valve 327, safety valve
327 are connected by downcomer with collection water tank 81, and the 6th hand valve 322 is connected between indoor fan coil pipe 5 and energy storage water tank 33, is increased
The pipeline that enthalpy expansion valve 211 connects with device for drying and filtering 210 is provided with the 7th hand valve 223.Thus, such a design can improve this
The stability of invention, by setting the gate valve 317 that is connected with blow-off pipe 318, caused sewage in the device that can drain in time, and
By being back to water system 6 after the recovery filtering of return water system 8, so as to save water source, improve the use environment of the present invention.
Water system 6 can be by the pressure-reducing valve 38, the water flow switch 338 of automatic water compensating valve 39 and second that are sequentially communicated by pipeline
It is connected with energy storage water tank 33, the pipeline that automatic water compensating valve 39 is connected with energy storage water tank 33 is provided with draining valve 310, draining valve 310
It is connected by downcomer 311 with collection water tank 81.By setting automatic water compensating valve 39, the automation of the present invention can be improved, is increased
The security performance of the strong present invention.
The present invention can use more air-conditionings simultaneously, can fan coil 5 and cold and hot water supply system 3 indoors delivery port
Air-conditioning water knockout trap 328 is set on the pipeline of 311 connections, multiple 8th hand valves 329, each room are connected with air-conditioning water knockout trap 328
Inner blower coil pipe 5 can be connected by pipeline with one of those the 8th hand valve 329, thus, it is possible to pass through cold and hot water supply system 3
Cold water/hot water is provided for more air-conditionings.Between energy storage water tank 33 and indoor fan coil pipe 5 air-conditioning can also be set to catchment simultaneously
Device 330, be connected with multiple 9th hand valves 331 in air-conditioner water collector 330, each indoor fan coil pipe 5 can by pipeline with
One of those the 9th hand valve 331 is connected, and thus cold water/hot water unnecessary in each indoor fan coil pipe 5 can pass through air-conditioning
Water collector 330 is transferred to energy storage water tank 33 and stored.
In order to further improve the operability of the present invention, delivery port 311 and the indoor fan coil pipe 5 of cold and hot water supply system 3
The first thermocouple 324 can be provided with the pipeline of connection, the pipeline that filter 37 connects with check valve 36 is provided with the second thermocouple
325, outdoor heat exchanger/solar thermal collector 24 is provided with the 4th thermocouple 213, and the 3rd of gas-liquid separator 22 and four-way valve 25 the
The pipeline of orifice is provided with the 5th thermocouple 214, the pipe that throttle expansion valve 26 connects with the second interface of unidirectional valve group 27
Road is provided with the 6th thermocouple 217, and the pipeline that compressor 21 connects with the first interface of four-way valve 25 is provided with the 7th thermocouple
218.Thus, by setting multiple thermocouples, the temperature of different parts can be measured, so as to be easy to the examination of student and reality
Instruction.
In order to further improve present invention security performance in use, the of gas-liquid separator 22 and four-way valve 25
The pipeline of three orifices is provided with first pressure switch 219 and first pressure table 220, and the first of compressor 21 and four-way valve 25
The pipeline of orifice is provided with second pressure switch 221 and second pressure gauge 222, swelling water tank 34 connect with water circulating pump 35
Pipeline be provided with the 3rd pressure gauge 326.
In air source heat pump provided by the invention/solar energy heat pump system installation and debugging practice training examination device, own
Pipeline connection be attached using screw thread mouth, be thus easy to the dismounting and connection of part.
The present invention can also coordinate domestic hot-water's component to use, and domestic hot-water's heat exchanger 224 is connected on compressor outlet 2101
Between the first interface of four-way valve 25.The present invention can also coordinate floor heating component to use, and electric heating coil pipe/radiator 332 can be with
It is connected by pipeline with the delivery port 3102 of cold and hot water supply system 3.The present invention can warm up component for more tablelands simultaneously and be heated, electricity
Floor heating water divider 333 can be provided with the pipeline that warming plate pipe/radiator 332 is connected with delivery port 3102, floor heating water divider 333 is provided with
Multiple connectors, each electric heating coil pipe/radiator 332 can be connected with one of connector by pipeline, thus led to
It can be that multiple electric heating coil pipes/radiator 332 provides hot water to cross cold and hot water supply system 3.Floor heating water divider 333 and cold and hot water supply system 3
The pipeline that connects of delivery port 3101 be provided with the tenth hand valve 334 and mixing water pump 335.Electric heating coil pipe/radiator 332 and accumulation of energy
The pipeline that water tank 31 connects is provided with the proficiency valve 337 of floor heating water collector 336 and the tenth, and floor heating water collector 336 is provided with multiple companies
Interface, each electric heating coil pipe/radiator 332 can be connected by pipeline with one of connector, it is possible thereby to by electricity
Unnecessary hot water is transferred to energy storage water tank 33 by floor heating water collector 336 and cached in warming plate pipe/radiator 332.
Thus, by supporting the use air-conditioning assembly, floor heating component and domestic hot-water's component, it is possible to achieve " high-temperature refrigeration, low
The equipment installation and debugging of air source heat pump/solar energy heat pump system of warm heating, domestic hot-water ", it is easy to teaching and to student
Carry out real training and examination.
Above-described is only some embodiments of the present invention.For the person of ordinary skill of the art, not
On the premise of departing from the invention design, various modifications and improvements can be made, these belong to the protection model of the present invention
Enclose.
Claims (10)
1. air source heat pump/solar energy heat pump system installation and debugging practice training examination device, it is characterised in that including automatically controlling
System (1), refrigerating and heating systems (2), cold and hot water supply system (3), air-conditioner controller (4), indoor fan coil pipe (5) and the system that supplies water
Unite (6), the air-conditioner controller (4) is connected with the indoor fan coil pipe (5)；
The water system (6) can be supplied water by the cold and hot water supply system (3) to the refrigerating and heating systems (2)；
The refrigerating and heating systems (2), cold and hot water supply system (3), air-conditioner controller (4) and water system (6) with it is described from
Autocontrol system (1) is connected, and the automatic control system (1) is provided with mixed-media network modules mixed-media (7)；
The refrigerating and heating systems (2) are connected with the cold and hot water supply system (3), the cold and hot water supply system (3) and the indoor wind
Machine coil pipe (5) is connected.
2. air source heat pump according to claim 1/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is that the refrigerating and heating systems (2) include compressor (21), gas-liquid separator (22), air-conditioning ground heating heat exchanger (23), room
External heat exchanger/solar thermal collector (24), four-way valve (25), throttle expansion valve (26), unidirectional valve group (27), economizer (28),
Fluid reservoir (29) and device for drying and filtering (210)；
The compressor (21) is provided with compressor outlet (2101) and compressor inlet (2102), the compressor outlet
(2101) connected by pipeline with the first interface of the four-way valve (25), the second interface of the four-way valve (25) passes through pipeline
It is connected with the outdoor heat exchanger/solar thermal collector (24), the 3rd interface of the four-way valve (25) passes through the gas-liquid point
It is connected from device (22) with the compressor inlet (2102), the 4th interface of the four-way valve (25) is changed by the air-conditioning ground heating
Hot device (23) connects with the first interface of the unidirectional valve group (27)；
The first interface of the unidirectional valve group (27) by the fluid reservoir (29) that is sequentially communicated by pipeline, economizer (28), dry
Filter (210) and throttle expansion valve (26) connect with the second interface of the unidirectional valve group (27), the unidirectional valve group (27)
Second interface be connected by pipeline with the outdoor heat exchanger/solar thermal collector (24)；
The second interface of the four-way valve (25) passes through the outdoor heat exchanger/solar thermal collector (24) and the unidirectional valve group
(27) the 3rd orifice, the 3rd interface of the unidirectional valve group (27) are connected by pipeline with the fluid reservoir (29)；
Fourth interface and the air-conditioning ground heating heat exchanger (23) of the throttle expansion valve (26) by the unidirectional valve group (27)
It is connected.
3. air source heat pump according to claim 2/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is, increasing enthalpy interface (2103), the economizer (28) and the device for drying and filtering are additionally provided with the compressor (21)
(210) increasing enthalpy expansion valve (211) is parallel with the connecting pipe between, by the refrigerant of the device for drying and filtering (210)
A part is by throttle expansion valve described in pipeline flow-direction (26), by another portion of the refrigerant of the device for drying and filtering (210)
Divide and the economizer (28) is flowed through and eventually through pipeline through the increasing enthalpy interface (2103) by the increasing enthalpy expansion valve (211)
Flow into the compressor (21).
4. air source heat pump according to claim 3/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is that the throttle expansion valve (26) and the increasing enthalpy expansion valve (211) are electric expansion valve.
5. air source heat pump according to claim 2/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is that the pipeline that the throttle expansion valve (26) connects with the second interface of the unidirectional valve group (27) is provided with liquid-sighting glass
(212)。
6. air source heat pump/solar energy heat pump system installation and debugging real training according to any one of claim 2 to 5 is examined
Nuclear device, it is characterised in that the cold and hot water supply system (3) includes water inlet (3101) and delivery port (3102), the water inlet
(3101) one end can be connected by circulating pump (32) with the air-conditioning water return outlet (2301) of the air-conditioning ground heating heat exchanger (23),
One end of the delivery port (3102) can pass through pipeline and the air-conditioner water outlet mouth (2302) of the air-conditioning ground heating heat exchanger (23)
It is connected；
The water system (6) can be supplied water by the water inlet (3101) to the refrigerating and heating systems (2), the water outlet
The other end of mouth (3102) can be connected by pipeline with the indoor fan coil pipe (5).
7. air source heat pump according to claim 6/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is that the indoor fan coil pipe (5) is connected by pipeline with energy storage water tank (33), and the water system (6) is by described
Energy storage water tank (33) is connected with the water inlet (3101) of the cold and hot water supply system (3).
8. air source heat pump according to claim 7/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is, the energy storage water tank (33) passes through the swelling water tank (34), water circulating pump (35), check valve that are sequentially communicated by pipeline
(36) it is connected with filter (37) with the water inlet (3101) of the cold and hot water supply system (3).
9. air source heat pump according to claim 7/solar energy heat pump system installation and debugging practice training examination device, it is special
Sign is, the water system (6) passes through the pressure-reducing valve (38), automatic water compensating valve (39) and the second current that are sequentially communicated by pipeline
Switch (338) is connected with the energy storage water tank (33), the pipe that the automatic water compensating valve (39) is connected with the energy storage water tank (33)
Road is provided with draining valve (310), and the draining valve (310) is connected by pipeline with downcomer (311).
10. air source heat pump according to claim 6/solar energy heat pump system installation and debugging practice training examination device, its
It is characterised by, the delivery port (3102) of the cold and hot water supply system (3) passes through the water pressure gauge (312) that is sequentially communicated by pipeline, first
Hand valve (313), second-hand's valve (314), the first water flow switch (315) and the 3rd hand valve (316) and the indoor fan coil pipe (5)
It is connected, the pipeline that the water pressure gauge (312) connects with the first-hand valve (313) is provided with gate valve (317), the gate valve
(317) it is connected with blow-off pipe (318), the both ends of second-hand's valve (314) are parallel with the 4th hand valve (319) and by pipeline
Five hand valves (320), electrically heated boiler (321) is provided between the 4th hand valve (319) and the 5th hand valve (320), it is described
The 6th hand valve (322) is connected between indoor fan coil pipe (5) and the energy storage water tank (33).
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| CN201710886794.XA CN107726659B (en) | 2017-09-26 | 2017-09-26 | Air source heat pump/solar heat pump system installation and debugging practical training assessment device |
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| CN109300385A (en) * | 2018-11-24 | 2019-02-01 | 福建工程学院 | A kind of assembled fan coil experimental provision and its assembly technology |
| CN110873479A (en) * | 2018-08-29 | 2020-03-10 | 江苏美力格环境科技有限公司 | Improved household multifunctional air source heat pump system |
| CN117043529A (en) * | 2021-02-04 | 2023-11-10 | 黄利华 | Air conditioner, heat pump and hot water system |
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| Publication number | Publication date |
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| CN107726659B (en) | 2024-01-23 |
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