CN207556014U - 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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Abstract
The utility model discloses air source heat pump/solar energy heat pump system installation and debugging practice training examination devices.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 equipped with network module；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 utility model is at low cost so that student does not need to 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 utility model is related to teaching equipment technical fields, more particularly to air source heat pump/solar energy heat pump system installation
With debugging practice training examination device.
Background technology
In order to push big-and-middle universities and colleges to relevant speciality construction and curriculum reform, enable more people convenient for lecture experiment
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.
Utility model content
The purpose of this utility model is to provide a kind of air source heat pump/solar energy heat pump system installation convenient for teaching and adjusts
Practice training examination device is tried, one or more of above-mentioned prior art problem can be solved.
It is real to provide air source heat pump/solar energy heat pump system installation and debugging for one side according to the present utility model
Instruct checking device, including automatic control system, refrigerating and heating systems, cold and hot water supply system, air-conditioner controller, indoor fan coil pipe with
And 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 equipped with network module；
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 utility model are：The utility model is by simulating an air source heat pump/solar heat pump
Automatic control system, refrigerating and heating systems, cold and hot water supply system, air-conditioner controller and indoor fan coil pipe are concentrated on one by system
On a operation console, refrigerating and heating systems is controlled to generate cold water/hot water by automatic control system, then pass through cold and hot water supply system handle
Cold water/delivery is to indoor fan coil pipe and passes through control blowing cold air/hot wind of air-conditioner controller, has at low cost excellent
Point so that student does not need to carry out training operation in industry spot, on this practice training examination device just can repeated disassembled and assembled real training,
So as to improve the understanding of student and manipulative ability.Further, since automatic control system is equipped with network module, network control can be passed through
The operating status of whole device processed completes the design of network control software with writing.Failure setting can be carried out with examining by network
Core gives student training and examines so as to greatly facilitate.
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 equipped 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 third 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 is connected 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 third orifice of outdoor heat exchanger/solar thermal collector and unidirectional valve group,
The third 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.
As a result, 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 third interface → 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
Third interface → fluid reservoir → economizer → device for drying and filtering → throttle expansion valve of hot device/solar thermal collector → unidirectional valve group
Third interface → 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 on compressor, the connection between economizer and device for drying and filtering
Increasing enthalpy expansion valve is parallel on pipeline, by device for drying and filtering refrigerant a part by pipeline flow-direction throttle expansion valve,
Economizer is flowed through and eventually by 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.As a result, in ultralow temperature or superhigh temperature, stablize liquid refrigerant 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 conducive to the utility model realize automation with
Intelligence, convenient for teaching and training operation.
In some embodiments, the pipeline that throttle expansion valve is connected with the second interface of unidirectional valve group, which is equipped with, regards liquid
Mirror.As a result, 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 utility model.
In some embodiments, cold and hot water supply system includes inlet and outlet, 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 water outlet 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 water outlet passes through
Pipeline is connected with indoor fan coil pipe.Cold water/heat is transmitted to indoor fan coil pipe by the water outlet of cold and hot water supply system as a result,
Water to realize refrigerating/heating, while 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.As a result, 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, provides cold water/hot water, to reach by energy storage water tank to indoor fan coil pipe
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 utility model, it is convenient for
Operation, by setting filter, can be filtered water quality, so as to extend the service life of the utility model.
In some embodiments, the water outlet 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 third hand valve are connected with indoor fan coil pipe, the pipe that water pressure gauge is connected with first-hand valve
Road is equipped 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 with
5th hand valve is equipped with electrically heated boiler, is connected between indoor fan coil pipe and energy storage water tank between the 4th hand valve and the 5th hand valve
6th hand valve.Such design can improve the stability of the utility model as a result, by setting the gate valve connected with blow-off pipe,
The sewage generated in device can be exhausted in time, so as to improve the service life of the utility model.
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 equipped with drain valve, and drain valve passes through
Pipeline is connected with downcomer.As a result, by setting automatic water compensating valve, the automation of the utility model can be improved, enhances this reality
With novel security performance.
Description of the drawings
Fig. 1 is that air source heat pump/solar energy heat pump system installation and debugging real training of one embodiment of the utility model is examined
The overall structure diagram of nuclear device；
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 structure diagram 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 structure diagram of system；
Fig. 4 is the return water system in air source heat pump shown in Fig. 1/solar energy heat pump system installation and debugging practice training examination device
The structure diagram of system.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 to Fig. 4 schematically shows a kind of air source heat pump/solar energy of embodiment according to the present utility model
Heat pump system installation and debugging practice training examination device.As shown in the figure, the device includes automatic control system 1, refrigerating and heating systems
2nd, cold and hot water supply system 3, air-conditioner controller 4, indoor fan coil pipe 5 and water system 6, air-conditioner controller 4 and indoor fan disk
Pipe 5 is connected.
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 equipped with network module 7.This practicality
It is novel 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 3, air-conditioner controller 4, water system 6 and indoor fan coil pipe 5 are concentrated on an operation console, are by automatically controlling
1 control refrigerating and heating systems 2 of system generate cold water/hot water, then by cold and hot water supply system 3 cold water/delivery to indoor wind
Machine coil pipe 5 and the control blowing cold air/hot wind for passing through air-conditioner controller 4, have the advantages that at low cost so that student does not need to
Training operation is carried out 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.Further, since automatic control system 1 is equipped with network module 7, thus can whole device be controlled by network
Operating status completes the design of network control software with writing.Failure setting and examination can be carried out by network, so as to defecate
In giveing training and examine to student..
In order to improve the operability of the utility model and safety, 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 equipped 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,
The third 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 is connected 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 passes through outdoor heat exchanger/solar thermal collector 24 and the third orifice of unidirectional valve group 27, the third of unidirectional valve group 27
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.
As a result, 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 →
Third interface → 22 → compressor inlet of gas-liquid separator 2102 of four-way valve 25.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
Third interface → 210 → throttle expansion valve of fluid reservoir 29 → economizer, 28 → device for drying and filtering 26 of → unidirectional valve group 27 → unidirectional
The third 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 on compressor 21
Increasing enthalpy expansion valve 211 is parallel on 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 flows through economizer 28 and most by another part of the refrigerant of device for drying and filtering 210 by increasing enthalpy expansion valve 211
Compressor 21 is flowed into through increasing enthalpy interface 2103 by pipeline eventually.As a result, in ultralow temperature or superhigh temperature, pass through the side of swell refrigeration
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.Since electric expansion valve has heating power
The incomparable good characteristic of expansion valve using electric expansion valve, is conducive to the utility model and realizes intellectually and automatically, just
In teaching and training operation.
In order to improve the reliability of the utility model, the pipe that throttle expansion valve 26 is connected with the second interface of unidirectional valve group 27
Road is equipped with liquid-sighting glass 212.As a result, by setting liquid-sighting glass 212, can check refrigerant be in gaseous state or
In liquid condition, it is possible thereby to improve the operability and modulability of the utility model.
In order to improve the security performance of the utility model, can frost prevention switch 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 water outlet 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 water outlet 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 system 2 supplies water, and the other end of water outlet 3102 is connected by pipeline with indoor fan coil pipe 5.Pass through cold and hot water system as a result,
The water outlet 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.As a result, by setting energy storage water tank 33, cooling and warming can met
Under the conditions of when, by cold water/hot water storage extra 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, is provided by energy storage water tank 33 to indoor fan coil pipe 5 cold
Water/hot water to achieve the effect that refrigerating/heating in short-term, after ensuring that compressor 21 is shut down, to keep indoor temperature, makes room
Interior temperature in a short time will not great changes will take place.
In order to improve the use environment of the utility model when in use, the present apparatus further includes return water system 8, return water system 8
For collecting water leakage during real training and being back to water system 6 after filtering, return water system 8 includes collection water tank 81, and catchment water
Case 81 passes through the graded filter 82, return water check valve 83 and backwater circulation water pump 84 that are sequentially communicated by pipeline and water system 6
It is connected.It, can be in order to the recycling of water leakage supplied water or when pressure testing generates as a result, by setting return water system 8.
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 the using effect of the utility model is further improved, just
In operation, by setting filter 37, water quality can be filtered, so as to extend the service life of the utility model.
The water outlet 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 third 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 equipped 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 equipped 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 third hand valve 316 are equipped 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 is connected with device for drying and filtering 210 is equipped with the 7th hand valve 223.Such design can improve this as a result,
The stability of utility model by setting the gate valve 317 connected with blow-off pipe 318, can exhaust the dirt generated in device in time
Water, and water system 6 is back to after passing through the recycling filtering of return water system 8, so as to save water source, improve making for the utility model
Use environment.
Water system 6 can be by the pressure reducing valve 38,39 and second water flow switch 338 of automatic water compensating valve 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 equipped with drain valve 310, drain valve 310
It is connected by downcomer 311 with collection water tank 81.By setting automatic water compensating valve 39, the automatic of the utility model can be improved
Change, enhance the security performance of the utility model.
The utility model can use more air-conditionings simultaneously, can fan coil 5 and cold and hot water supply system 3 indoors water outlet
Air-conditioning water knockout trap 328 is set on the pipelines of 311 connection of mouth, multiple 8th hand valves 329 are connected on air-conditioning water knockout trap 328, each
Indoor fan 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 system
System 3 provides cold water/hot water for more air-conditionings.Can also air-conditioning be set between energy storage water tank 33 and indoor fan coil pipe 5 simultaneously
Water collector 330 is connected with multiple 9th hand valves 331 in air-conditioner water collector 330, each indoor fan coil pipe 5 can pass through pipe
Road is connected with one of those the 9th hand valve 331, and thus cold water/hot water extra in each indoor fan coil pipe 5 can pass through
Air-conditioner water collector 330 is transferred to energy storage water tank 33 and is stored.
In order to further improve the operability of the utility model, water outlet 311 and the indoor fan disk of cold and hot water supply system 3
The first thermocouple 324 can be equipped on the pipeline that pipe 5 connects, the pipeline that filter 37 is connected with check valve 36 is equipped with the second thermoelectricity
Even 325, outdoor heat exchanger/solar thermal collector 24 is equipped with the 4th thermocouple 213, and the of gas-liquid separator 22 and four-way valve 25
The pipeline of three orifices is equipped with the 5th thermocouple 214, and throttle expansion valve 26 is connected with the second interface of unidirectional valve group 27
Pipeline is equipped with the 6th thermocouple 217, and the pipeline that compressor 21 is connected with the first interface of four-way valve 25 is equipped with the 7th thermoelectricity
Even 218.As a result, by setting multiple thermocouples, the temperature of different components can be measured, so as to be convenient for the examination of student with
Real training.
In order to further improve the security performance of the utility model in use, gas-liquid separator 22 and four-way valve 25
The pipeline of third orifice be equipped with first pressure switch 219 and first pressure gauge 220, compressor 21 and four-way valve 25
The pipeline of first interface connection is equipped with second pressure switch 221 and second pressure gauge 222, swelling water tank 34 and water circulating pump 35
The pipeline of connection is equipped with third pressure gauge 326.
In air source heat pump provided by the utility model/solar energy heat pump system installation and debugging practice training examination device,
All pipeline connections are attached using screw thread mouth, thus convenient for the dismounting of component and connection.
The utility model can also coordinate domestic hot-water's component to use, and domestic hot-water's heat exchanger 224 is connected on compressor outlet
Between 2101 and the first interface of four-way valve 25.The utility model can also coordinate floor heating component to use, electric heating coil pipe/radiator
332 can be connected by pipeline with the water outlet 3102 of cold and hot water supply system 3.The utility model can warm up component for more tablelands simultaneously
It heats, floor heating water divider 333, floor heating point can be equipped on the pipeline that electric heating coil pipe/radiator 332 is connected with water outlet 3102
Hydrophone 333 is equipped with multiple connectors, and each electric heating coil pipe/radiator 332 can pass through pipeline and one of connector
It is connected, can is that multiple electric heating coil pipe/radiators 332 provide hot water from there through cold and hot water supply system 3.333 He of floor heating water divider
The pipeline that the water outlet 3101 of cold and hot water supply system 3 connects is equipped with the tenth hand valve 334 and mixing water pump 335.Electric heating coil pipe/heating
The pipeline that piece 332 is connected with energy storage water tank 31 is equipped with 336 and the tenth proficiency valve 337 of floor heating water collector, on floor heating water collector 336
Equipped with multiple connectors, each electric heating coil pipe/radiator 332 can be connected by pipeline with one of connector, by
Hot water extra in electric heating coil pipe/radiator 332 can be transferred to energy storage water tank 33 by floor heating water collector 336 and delayed by this
It deposits.
As a result, by matching air-conditioning assembly, floor heating component and domestic hot-water's component, can realize " 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 ", convenient for teaching and to student
Carry out real training and examination.
Above-described is only some embodiments of the utility model.For those of ordinary skill in the art,
Under the premise of not departing from the utility model and creating design, various modifications and improvements can be made, these belong to this practicality
Novel protection domain.
Claims (10)
1. air source heat pump/solar energy heat pump system installation and debugging practice training examination device, which is characterized 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 for water system
It unites (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 equipped with network module (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, 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 equipped with compressor outlet (2101) and compressor inlet (2102), the compressor outlet
(2101) it is 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 third 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) passes through the fluid reservoir (29) that is sequentially communicated by pipeline, economizer (28), dry
Filter (210) and throttle expansion valve (26) are connected 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) third orifice, the third 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, special
Sign is, increasing enthalpy interface (2103), the economizer (28) and the device for drying and filtering are additionally provided on the compressor (21)
(210) increasing enthalpy expansion valve (211) is parallel on 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 by 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, 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, special
Sign is that the pipeline that the throttle expansion valve (26) connects with the second interface of the unidirectional valve group (27) is equipped 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, which is characterized in that the cold and hot water supply system (3) includes water inlet (3101) and water outlet (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 water outlet (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, 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, 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, special
Sign is, the water system (6) passes through the pressure reducing valve (38), automatic water compensating valve (39) and the second flow 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 equipped with drain valve (310), and the drain valve (310) is connected by pipeline with downcomer (311).
10. air source heat pump according to claim 7/solar energy heat pump system installation and debugging practice training examination device,
It is characterized in that, the water outlet (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 third 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 equipped 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) are equipped with electrically heated boiler (321) between the 4th hand valve (319) and the 5th hand valve (320), 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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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726659A (en) * | 2017-09-26 | 2018-02-23 | 杭州恒瑞教学设备有限公司 | Air source heat pump/solar energy heat pump system installation and debugging practice training examination device |
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2017
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107726659A (en) * | 2017-09-26 | 2018-02-23 | 杭州恒瑞教学设备有限公司 | Air source heat pump/solar energy heat pump system installation and debugging practice training examination device |
| CN107726659B (en) * | 2017-09-26 | 2024-01-23 | 杭州恒瑞教学设备有限公司 | Air source heat pump/solar heat pump system installation and debugging practical training assessment device |
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