CN106500404A - A kind of pair of transfiguration heat pump cold-hot combined supply system and its control method - Google Patents
A kind of pair of transfiguration heat pump cold-hot combined supply system and its control method Download PDFInfo
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- CN106500404A CN106500404A CN201611224836.5A CN201611224836A CN106500404A CN 106500404 A CN106500404 A CN 106500404A CN 201611224836 A CN201611224836 A CN 201611224836A CN 106500404 A CN106500404 A CN 106500404A
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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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
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- A—HUMAN NECESSITIES
- A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
- A23G—COCOA; COCOA PRODUCTS, e.g. CHOCOLATE; SUBSTITUTES FOR COCOA OR COCOA PRODUCTS; CONFECTIONERY; CHEWING GUM; ICE-CREAM; PREPARATION THEREOF
- A23G1/00—Cocoa; Cocoa products, e.g. chocolate; Substitutes therefor
- A23G1/04—Apparatus specially adapted for manufacture or treatment of cocoa or cocoa products
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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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
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
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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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
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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
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Abstract
A kind of pair of transfiguration heat pump cold-hot combined supply system and its control method, it is related to heating and the refrigeration combined system for either alternatively or simultaneously operating, more particularly to a kind of heat-pump-type cold-hot combined supply system and its control method for food processing, subsystem of blowing includes according to wind pushing temperature from the master control warm area of as little as high sequential series and aids in temperature control area；The frequency conversion fan of a temperature control area sends the air-flow of previous temperature control area into this temperature control area successively afterwards, forms the air-supply air-flow for meeting the requirement of this temperature control area.By arranging the temperature control area according to wind pushing temperature from as little as high sequential series, the running frequency for controlling frequency conversion fan adjusts the air quantity of each temperature control area, realizes many temperature control area series connection transfiguration air-supplies；Branch road cold-producing medium parallel circulating is produced by finned evaporator branch road and cold water, adjust in conjunction with flow valve and the interactive of electric expansion valve, realize that the varying capacity of cryogen is adjusted and temperature automatic control in the technological process of production, system low consumption stable operation under different cooling and heating loads is made, the purpose of energy-efficient operation is reached.
Description
Technical field
The present invention relates to the heating for either alternatively or simultaneously operating and refrigeration combined system, more particularly to a kind of for food processing
Heat-pump-type cold-hot combined supply system and the system control method.
Background technology
In food-processing industry, food processing technology flow process has strict requirements to temperature and humidity.And traditional work
Skill auxiliary register but falls behind relatively.For dry product is needed, heated by steam or the burning of fossil fuel is supplied
To corresponding heat (for example：Mushroom drying etc.)；For need the then simple employing refrigerating plant of production technology of refrigeration come
Meet Production requirement (for example：The processing of abyssal fishes).By taking the chocolate processing technology shown in Fig. 1 as an example, each process procedure
There are strict requirements to temperature.A kind of Chinese invention patent application " chocolate continuous temp. adjustable machine " (application for a patent for invention number：
201310480384.7, publication number：CN103583764A) a kind of chocolate continuous temp. adjustable machine is disclosed, including：Casing, temperature adjustment
Center, hot and cold water circulating pipe system, motor, send stock pump and cold wall tank；Inner top of the motor in casing；In the temperature adjustment
The heart is heat exchanger, positioned at the underface of motor, is formed by stacking by the interlayer heat exchange cylinder of triple layer with chuck, the both sides of each cylinder layer
Water nozzle is respectively equipped with, is connected with hot and cold water circulating pipe system, the inside of heat exchanger is equipped with vertical scraper agitator, and heat is handed over
The top and bottom of parallel operation has a charging aperture and discharging opening；The cold wall tank is located at the outside of casing；Described send stock pump
The top of cold wall tank is located at, send stock pump to be connected with cold wall tank by feed pipe for mortar one end, the charging on the other end and heat exchanger top
Mouth is connected.Chinese invention patent " control method of chocolate crystallization production line and device " (patent of invention number：
200910053066.6, Authorization Notice No.：CN 101923338B) disclose a kind of control method of chocolate crystallization production line
And device, the control method includes：Control is adjusted to the PID of 10 temperature control points of cooling line；Control insulation loop trend
2 three-way valves chain switching control；Variable frequency regulating speed control is carried out to impeller pump and crystallizer motor；Real-time monitoring is cooled down
10 temperature control points of pipeline, and 4 pressure spot floor datas and impeller pump and crystallizer current of electric.The patent of invention pin
To the fine temperature control of the multiple spot of chocolate crystallization technique have be quick on the draw, status tracking is good the characteristics of, do not affecting streamline
At the uniform velocity on the premise of beat, by the temperature adjustment of 10 temperature adjusting points to optimised process claimed condition.But, traditional temperature
Control typically to heat by electrical heating, steam or burning boiler supply heat, and technique will be tried to achieve to different temperatures and be often
Realized by different heat-supplying modes, this adds increased the operation cost of enterprise and reduce operating efficiency, while can not be real
Existing Based Intelligent Control, needs a large amount of human inputs.
On the other hand, in recent years, becoming increasingly conspicuous with environmental protection subject under discussion, needs to enter original power consumption technological process of production
Row transformation, with reach not only energy saving but also can reduce or prevent pollutant discharge purpose.Accordingly, it would be desirable to research and develop expire
Heating and the association system of refrigeration that sufficient food processing technology is required.Chinese invention patent " heat pump multi-mode in kitchen behind restaurant
Progress control method and its control device " (patent of invention number：201410478406.0, Authorization Notice No.：CN104197584B)
Kitchen heat pump multi-mode operation control method and its control device behind a kind of restaurant is disclosed, is related to the joint for heating and freezing
The control of system, more particularly to a kind of heat pump composite suitable for the hot water supply, cool-down dehumidification and cold storing and fresh-keeping in kitchen behind restaurant
The control method of system and equipment, control device pass through detection and compare measured value and the setting value of operational mode parameter, control
Multi-mode refrigeration agent closed circuit switching mechanism changes the circulating path of cold-producing medium, and behind control restaurant, kitchen heat pump is according to default
Operational mode operation, realize automatic multi mode run.
Content of the invention
The invention aims to providing a kind of pair of transfiguration heat pump cold-hot combined supply system, adopt for solving food processing technology
The technical problem for replacing conventional vapor heating or combustion of fossil fuels mode of heating with the association system of heat pump and refrigeration.
The present invention solves the technical scheme that adopted of above-mentioned technical problem：
A kind of pair of transfiguration heat pump cold-hot combined supply system, including source pump, air-supply subsystem and cold and hot water subsystem, and
For realizing the control device of cold-hot combined supply system microprocessor control；It is characterized in that：
Described air-supply subsystem is many temperature control area series connection transfiguration air-supply subsystems, auxiliary including master control warm area and at least one
Help temperature control area, described master control warm area and each aids in temperature control area according to its wind pushing temperature from as little as high sequential series, each control
Warm area be respectively provided with one can independent control operation frequency conversion fan；
The finned evaporator for being placed in master control warm area is connected to the refrigerant line of source pump, from master control warm area frequency conversion
The fresh air of blower fan through finned evaporator absorbing and cooling temperature, based on temperature control area basic wind-warm syndrome is provided；
After being placed in, the frequency conversion fan of a temperature control area sends the air-flow of previous temperature control area into this temperature control area successively, with supplementary fresh air
It is mixed to form the air-supply air-flow that wind pushing temperature meets the requirement of this temperature control area；
Operating frequency of the described control device by control master control warm area frequency conversion fan and each aids in temperature control area frequency conversion fan
Rate, adjusts the air quantity of each temperature control area, and the wind pushing temperature of each temperature control area of control air-supply subsystem realizes that many temperature control area series connection transfigurations are sent
Wind.
One kind preferably technical scheme of double transfiguration heat pump cold-hot combined supply systems of the present invention, it is characterised in that the heat pump
The refrigerant circulation line of unit passes sequentially through spiral tube heat exchanger, reservoir and filtration from the beginning of the exhaust outlet of compressor
After device, then branch road arrival gas-liquid separator is produced via the finned evaporator branch road and cold water that are connected in parallel, most afterwards through gas
Liquid/gas separator returns to the air entry of compressor；Described finned evaporator branch road includes the second electric expansion valve being connected in series
And finned evaporator；Described cold water produces electronic flow valve, the first electric expansion valve and the set that branch road includes being connected in series
Pipe heat exchanger.
A kind of superior technique scheme of double transfiguration heat pump cold-hot combined supply systems of the present invention, it is characterised in that described is cold
Hot water subsystem includes the hot water circulating pump for being connected to spiral tube heat exchanger circulation waterway, is connected to double pipe heat exchanger circulation
The cold water circulation pump in water route, is placed in the hot water temperature sensor of spiral tube heat exchanger delivery port, and is placed in casing type heat exchanging
The cold water temperature sensor of device delivery port.
A kind of improved technical scheme of double transfiguration heat pump cold-hot combined supply systems of the present invention, it is characterised in that described is cold
Hot water subsystem also includes the hot-water branch for being connected to spiral tube heat exchanger delivery port by hot water regulating valve, and by cold
Water regulating valve is connected to the cold water arm of double pipe heat exchanger delivery port；Described cold and hot water subsystem is adjusted by controlling hot water
Valve and the aperture of cold water regulating valve, there is provided meet the tempering process water of water temperature requirement.
A kind of further improved technical scheme of double transfiguration heat pump cold-hot combined supply systems of the present invention, it is characterised in that institute
The source pump that states also includes the hydrojet branch road that hydrojet magnetic valve and hydrojet capillary are composed in series, described hydrojet branch road connection
Between the entrance of the refrigerant outlet and gas-liquid separator of spiral tube heat exchanger, reduced by hydrojet solenoid valve control hydrojet
The delivery temperature of compressor.
A kind of preferred technical scheme of double transfiguration heat pump cold-hot combined supply systems of the present invention, it is characterised in that described control
Device processed is changed by off state and its aperture of control electronic flow valve, the first electric expansion valve and the second electric expansion valve
Become the assignment of traffic of the refrigerant circulation line of source pump, coordinate hot water circulating pump, cold water circulation pump and each frequency conversion fan
Operation control, realizes the dynamic multi-mode operation of cold-hot combined supply system；Described dynamic multi-mode operation includes following operation mould
Formula：
Hot water cool wind mode：Electronic flow valve cuts out, and the second electric expansion valve is opened, and cold-producing medium passes through finned evaporator
Circulation set up by branch road；Hot water circuit pump startup, cold water circulation pump stop, and cold and hot water subsystem is produced by spiral tube heat exchanger
Hot water, and changed according to the thermic load of cold and hot water subsystem, the running frequency of real-time control hot water circulating pump；Each temperature control area
Frequency conversion fan start, air-supply subsystem executes the series connection transfigurations air-supply of many temperature control areas, and the refrigeration duty according to air-supply subsystem
Change, the running frequency of each frequency conversion fan of real-time control；
Cold and hot aqueous mode：Electronic flow valve and the first electric expansion valve are opened, and the second electric expansion valve is closed, and cold-producing medium leads to
Subcooled water is produced branch road and sets up circulation；Hot water circulating pump and circulating chilled water pump startup, cold and hot water subsystem are passing through helix tube type
While heat exchanger hot water preparing, cold water is produced by described double pipe heat exchanger, and according to the cold of cold and hot water subsystem
Thermic load changes, the running frequency of real-time control hot water circulating pump and cold water circulation pump；The frequency conversion fan of each temperature control area stops,
Air-supply subsystem is out-of-blast；
Hot and cold water cool wind mode：Electronic flow valve, the first electric expansion valve and the second electric expansion valve are opened, and cold-producing medium is same
When branch road produced by finned evaporator branch road and cold water set up parallel circulating；Hot water circulating pump and circulating chilled water pump startup,
Cold and hot water subsystem is produced by described double pipe heat exchanger cold while by spiral tube heat exchanger hot water preparing
Water, and changed according to the cooling and heating load of cold and hot water subsystem, the operation frequency of real-time control hot water circulating pump and cold water circulation pump
Rate；The frequency conversion fan of each temperature control area starts, and air-supply subsystem executes many temperature control area series connection transfiguration air-supplies, and according to air-supply
The refrigeration duty change of system, the running frequency of each frequency conversion fan of real-time control；
Dynamic cold-producing medium transfiguration operational mode：Electronic flow valve, the first electric expansion valve and the second electric expansion valve is opened,
Start hot water circulating pump and cold water circulation pump, cold-producing medium is produced branch road by finned evaporator branch road and cold water and sets up parallel connection and follows
Ring；If refrigeration duty increase needs to reduce refrigerant circulation temperature, hydrojet magnetic valve is opened, hydrojet drop is executed by hydrojet branch road
Temperature；According to the refrigeration duty change that air-supply subsystem or cold water produce branch road, the aperture of electronic flow valve is adjusted, casing type heat exchanging is made
The refrigerant temperature change of device and finned evaporator outlet, the change of refrigerant temperature cause the first electric expansion valve and second
Electric expansion valve executes aperture and automatically adjusts, and realizes the cold-producing medium varying capacity operational mode with refrigeration duty dynamic change.
Another object of the present invention is to provide for a kind of controlling party for above-mentioned pair of transfiguration heat pump cold-hot combined supply system
Method.The present invention solves the technical scheme that adopted of above-mentioned technical problem：
A kind of double transfiguration heat pump cold-hot combined supply system control methods for above-mentioned pair of transfiguration heat pump cold-hot combined supply system, its
It is characterised by comprising the following steps：
S100：Configure cold and hot coolant-temperature gage and wind pushing temperature control parameter；
S200：Detection monitors the wind pushing temperature of cold and hot coolant-temperature gage and each temperature control area；
S300：According to cold and hot coolant-temperature gage and wind pushing temperature selection of control parameter unit operation pattern；
S400：According to the unit operation Schema control source pump, hot water circulating pump, cold water circulation pump and each frequency conversion that select
The state of blower fan, executes dynamic multi-mode operation.
One kind preferably technical scheme of the heat pump cold-hot combined supply system control method of the present invention, it is characterised in that described
Step S400 includes following control operation action：
S420：Electronic flow valve is closed, the second electric expansion valve is opened, starts hot water circulating pump, stop cold water circulation pump,
Enter hot water cool wind mode；
S440：Electronic flow valve and the first electric expansion valve is opened, the second electric expansion valve is closed, starts hot water circulating pump
And cold water circulation pump, enter cold and hot aqueous mode；
S460：Electronic flow valve, the first electric expansion valve and the second electric expansion valve is opened, starts hot water circulating pump and cold
Water-circulating pump, enters hot and cold water cool wind mode；
S480：Electronic flow valve, the first electric expansion valve and the second electric expansion valve is opened, starts hot water circulating pump and cold
Water-circulating pump, cold-producing medium are produced branch road by finned evaporator branch road and cold water and set up parallel circulating；If refrigeration duty increases needing
Reduce refrigerant circulation temperature, then open hydrojet magnetic valve, hydrojet cooling is executed by hydrojet branch road；According to air-supply subsystem
Or cold water produces the refrigeration duty change of branch road, adjusts the aperture of electronic flow valve, enters dynamic cold-producing medium transfiguration operational mode.
The invention has the beneficial effects as follows：
1st, double transfiguration heat pump cold-hot combined supply systems of the invention and its control method, by arranging according to wind pushing temperature from as little as
The temperature control area of high sequential series, the running frequency for controlling frequency conversion fan adjust the air quantity of each temperature control area, realize many temperature control area series connection
Transfiguration is blown；Branch road cold-producing medium parallel circulating is produced by finned evaporator branch road and cold water, swollen in conjunction with flow valve and electronics
The interactive regulation of swollen valve, realizes that the varying capacity of cryogen is adjusted and temperature automatic control in the technological process of production, makes cold and heat combined supply system
System low consumption stable operation under different cooling and heating loads, reaches the purpose of energy-efficient operation.
2nd, double transfiguration heat pump cold-hot combined supply systems of the invention and its control method, configure according to product processing technique demand
Cold and hot coolant-temperature gage and wind pushing temperature control parameter, select unit operation pattern according to preset control parameters, meet food processing each
Individual process procedure is required to the strict control of processing temperature and environment temperature.
Description of the drawings
Fig. 1 is chocolate processing process figure；
Fig. 2 is the systematic schematic diagram of double transfiguration heat pump cold-hot combined supply systems of the present invention；
Fig. 3 is the air-supply subsystem schematic diagram of double transfiguration heat pump cold-hot combined supply systems；
Fig. 4 is the cold and hot water subsystem schematic diagram of double transfiguration heat pump cold-hot combined supply systems；
Fig. 5 is the control device schematic diagram of double transfiguration heat pump cold-hot combined supply systems；
Fig. 6 is the control method flow chart of double transfiguration heat pump cold-hot combined supply systems.
The reference of each part in above figure：1 is compressor, and 2 is cross valve, and 3 is spiral tube heat exchanger, and 31 are heat
Water-circulating pump, 32 is hot water temperature sensor, and 33 is hot water regulating valve；4 is reservoir, and 5 is electronic flow valve, and 6 is the first electricity
Sub- expansion valve, 61 is the first temperature sensor, and 7 is the second electric expansion valve, and 71 is second temperature sensor, and 8 change for bushing type
Hot device, 81 is cold water circulation pump, and 82 is cold water temperature sensor, and 83 is cold water regulating valve；91 is the first check valve, and 92 is second
Check valve, 11 is finned evaporator, and 12 is filter, and 13 is hydrojet magnetic valve, and 14 is hydrojet capillary, and 15 is gas-liquid separation
Device, 16 is service valve, and 17 is high-voltage switch gear, and 18 is low tension switch, temperature control area frequency conversion fan based on 10, and 20 is the second frequency conversion wind
Machine, 30 is the 3rd frequency conversion fan, and 100 is source pump, and 200 are air-supply subsystem, temperature control area based on 210, and 211 is cooling packing
Equipment, 220 be the second temperature control area, 221 be the second temperature equipment, 230 be the 3rd temperature control area, 231 be the 3rd temperature equipment, 300
For cold and hot water subsystem, 310 is Refining apparatus, and 320 is cast molding equipment, and 500 is control device, and 510 set for operational factor
Cover half block, 520 be cold and hot water temperature monitoring module, 530 be wind pushing temperature monitoring module, 531 be wind pushing temperature sensor group, 540
For frequency conversion fan controller, 550 is source pump controller, and 560 are circulation pump controller.
Specific embodiment
For better understanding of the above-mentioned technical proposal of the present invention, carry out with reference to the accompanying drawings and examples further
Describe in detail.Fig. 2, Fig. 3 and Fig. 4 are one embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention, including heat pump machine
Group 100, air-supply subsystem 200 and cold and hot water subsystem 300, and for realizing the control of cold-hot combined supply system microprocessor control
Device processed 500；
As shown in figure 3, described air-supply subsystem 200 is many temperature control area series connection transfiguration air-supply subsystems, including master control temperature
Area 210 and at least one aids in temperature control area, described master control warm area 210 and each aids in temperature control area are according to its wind pushing temperature from low
Paramount sequential series, each temperature control area be respectively provided with one can independent control operation frequency conversion fan；In the example shown in Fig. 3
In, described aids in temperature control area is the second temperature control area 220 and the 3rd temperature control area 230, and corresponding frequency conversion fan includes master control warm area
Frequency conversion fan 10, the second frequency conversion fan 20 and the 3rd frequency conversion fan 30.
The finned evaporator 11 for being placed in master control warm area 210 is connected to the refrigerant line of source pump 100, from master control
The fresh air of warm area frequency conversion fan 10 through 11 absorbing and cooling temperature of finned evaporator, based on temperature control area 210 basic wind-warm syndrome is provided；
After being placed in, the frequency conversion fan of a temperature control area sends the air-flow of previous temperature control area into this temperature control area successively, with supplementary fresh air
It is mixed to form the air-supply air-flow that wind pushing temperature meets the requirement of this temperature control area；
Described control device 500 is by control master control warm area frequency conversion fan 10 and the fortune of each aids in temperature control area frequency conversion fan
Turn frequency, adjust the air quantity of each temperature control area, the wind pushing temperature of control air-supply 200 each temperature control area of subsystem realizes many temperature control area strings
Connection transfiguration air-supply.
The embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention according to Fig. 2, the source pump 100
Refrigerant circulation line passes sequentially through spiral tube heat exchanger 3, reservoir 4 and filter from the beginning of the exhaust outlet of compressor 1
12, then branch road arrival gas-liquid separator 15 is produced via the finned evaporator branch road and cold water that are connected in parallel, most afterwards through gas-liquid
Separator 15 returns to the air entry of compressor 1；Described finned evaporator branch road includes the second electronic expansion being connected in series
Valve 7 and finned evaporator 11；Described cold water produces electronic flow valve 5, the first electronic expansion that branch road includes being connected in series
Valve 6 and double pipe heat exchanger 8.
The embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention according to Fig. 4, described hot and cold water subsystem
System 300 includes the hot water circulating pump 31 for being connected to 3 circulation waterway of spiral tube heat exchanger, is connected to double pipe heat exchanger 8 and circulates
The cold water circulation pump 81 in water route, is placed in the hot water temperature sensor 32 of 3 delivery port of spiral tube heat exchanger, and is placed in bushing type
The cold water temperature sensor 82 of 8 delivery port of heat exchanger.
The embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention according to Fig. 4, described hot and cold water subsystem
System 300 also includes the hot-water branch for being connected to 3 delivery port of spiral tube heat exchanger by hot water regulating valve 33, and passes through cold water
Regulating valve 83 is connected to the cold water arm of 8 delivery port of double pipe heat exchanger；Described cold and hot water subsystem 300 is by controlling hot water
Regulating valve 33 and the aperture of cold water regulating valve 83, there is provided meet the tempering process water of water temperature requirement.
In the embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention shown in Fig. 2, described source pump 100
Also include that the hydrojet branch road that hydrojet magnetic valve 13 and hydrojet capillary 14 are composed in series, described hydrojet branch road are connected to helix tube
Between the entrance of the refrigerant outlet of formula heat exchanger 3 and gas-liquid separator 15, controlling hydrojet by hydrojet magnetic valve 13 reduces pressure
The delivery temperature of contracting machine 1.
According to one embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention, described control device 500 passes through
On off state and its aperture of control electronic flow valve 5, the first electric expansion valve 6 and the second electric expansion valve 7, changes heat pump machine
The assignment of traffic of the refrigerant circulation line of group, coordinates the operation of hot water circulating pump 31, cold water circulation pump 81 and each frequency conversion fan
Control, realizes the dynamic multi-mode operation of cold-hot combined supply system；Described dynamic multi-mode operation includes following operational mode：
Hot water cool wind mode：Electronic flow valve 5 cuts out, and the second electric expansion valve 7 is opened, and cold-producing medium is by finned evaporation
Circulation set up by device branch road；Hot water circulating pump 31 starts, and cold water circulation pump 81 stops, and cold and hot water subsystem 300 passes through helix tube type
3 hot water preparing of heat exchanger, and changed according to the thermic load of cold and hot water subsystem 300, the fortune of real-time control hot water circulating pump 31
Line frequency；The frequency conversion fan of each temperature control area starts, and air-supply subsystem 200 executes many temperature control area series connection transfiguration air-supplies, and root
According to the refrigeration duty change of air-supply subsystem 200, the running frequency of each frequency conversion fan of real-time control；
Cold and hot aqueous mode：Electronic flow valve 5 and the first electric expansion valve 6 are opened, and the second electric expansion valve 7 is closed, refrigeration
Agent is produced branch road by cold water and sets up circulation；Hot water circulating pump 31 and cold water circulation pump 81 start, and cold and hot water subsystem 300 is logical
While crossing 3 hot water preparing of spiral tube heat exchanger, cold water is produced by described double pipe heat exchanger 8, and according to cold and hot
The running frequency of the cooling and heating load change of water subsystem 300, real-time control hot water circulating pump 31 and cold water circulation pump 81；Each control
The frequency conversion fan of warm area stops, and air-supply subsystem 200 is out-of-blast；
Hot and cold water cool wind mode：Electronic flow valve 5, the first electric expansion valve 6 and the second electric expansion valve 7 are opened, refrigeration
Branch road is produced by finned evaporator branch road and cold water sets up parallel circulating simultaneously for agent；Hot water circulating pump 31 and cold water circulation pump
81 start, and cold and hot water subsystem 300 is changed by described bushing type while by 3 hot water preparing of spiral tube heat exchanger
Cold water produced by hot device 8, and is changed according to the cooling and heating load of cold and hot water subsystem 300, real-time control hot water circulating pump 31 and cold
The running frequency of water-circulating pump 81；The frequency conversion fan of each temperature control area starts, and air-supply subsystem 200 executes many temperature control area series connection and becomes
Hold air-supply, and the refrigeration duty change according to air-supply subsystem 200, the running frequency of each frequency conversion fan of real-time control；
Dynamic cold-producing medium transfiguration operational mode：Open electronic flow valve 5, the first electric expansion valve 6 and the second electronic expansion
Valve 7, starts hot water circulating pump 31 and cold water circulation pump 81, and cold-producing medium is produced branch road by finned evaporator branch road and cold water and built
Vertical parallel circulating；If refrigeration duty increase needs to reduce refrigerant circulation temperature, hydrojet magnetic valve 13 is opened, by hydrojet branch road
Execute hydrojet cooling；According to the refrigeration duty change that air-supply subsystem 200 or cold water produce branch road, opening for electronic flow valve 5 is adjusted
Degree, makes the refrigerant temperature change of double pipe heat exchanger 8 and the outlet of finned evaporator 11, and the change of refrigerant temperature causes the
One electric expansion valve 6 and the second electric expansion valve 7 execute aperture and automatically adjust, and realize becoming with the cold-producing medium of refrigeration duty dynamic change
Capacity operational mode.
The present invention double transfiguration heat pump cold-hot combined supply systems control device 500 one embodiment as shown in figure 5, including
For configuring the operating parameter setting module 510 of cold and hot coolant-temperature gage and wind pushing temperature control parameter, cold and hot for detecting and monitoring
The cold and hot water temperature monitoring module 520 of water subsystem temperature, for detecting and monitoring the wind pushing temperature monitoring module of wind pushing temperature
530, for driving the frequency conversion fan controller 540 of air-valve, for controlling the source pump control of compressor and control magnetic valve
Device 550, and for controlling the circulation pump controller 560 of hot water circulating pump 31 and cold water circulation pump 81；The cold and hot water temperature prison
The input of control module 520, is connected to operating parameter setting module 510, cold water temperature sensor 82 and hot water temperature sensor
32；The output end of the cold and hot water temperature monitoring module 520 is connected to source pump controller 550 and circulation pump controller 560；Heat
The output end of Pump Unit Control device 550 is connected to the control magnetic valve in compressor and refrigerant line；Circulation pump controller 560
Output end be connected to hot water circulating pump 31 and cold water circulation pump 81；The input of the wind pushing temperature monitoring module 530, connection
To operating parameter setting module 510 and wind pushing temperature sensor 531；The output end connection of the wind pushing temperature monitoring module 530
Frequency conversion fan controller 540 and source pump controller 550 is arrived, the output end of frequency conversion fan controller 540 is connected to each control
The frequency conversion fan of warm area.Electronic flow valve 5 that described control magnetic valve includes being connected in refrigerant line, the first electronics are swollen
Swollen valve 6, the second electric expansion valve 7 and hydrojet magnetic valve 13.
According to one embodiment of double transfiguration heat pump cold-hot combined supply systems of the present invention, described control device 500 is adopted
There is multi-channel A/D translation interfaces and the chip microprocessor of multi-channel PWM output interface to realize programme-control, described operational factor
Setting module 510, cold and hot water temperature monitoring module 520 and wind pushing temperature monitoring module 530 are the software functions that microprocessor is provided
Module；Described cold water temperature sensor 82, hot water temperature sensor 32 and wind pushing temperature sensor 531, by microprocessor
A/D translation interfaces be connected to chip microprocessor；Described control device 500 is exported using the PWM of microprocessor, is frequency conversion
Controller of fan 540 and circulation pump controller 560 provide VFC output signal；Described control device 500 utilizes micro- place
The switch output signal of the PIO program to ports output solenoid valve and compressor of reason device, by source pump controller 550 to system
In compressor and magnetic valve execute switch control rule.
Fig. 6 is one embodiment of double transfiguration heat pump cold-hot combined supply system control methods of the present invention, comprises the following steps：
S100：Configure cold and hot coolant-temperature gage and wind pushing temperature control parameter；
S200：Detection monitors the wind pushing temperature of cold and hot coolant-temperature gage and each temperature control area；
S300：According to cold and hot coolant-temperature gage and wind pushing temperature selection of control parameter unit operation pattern；
S400：According to the unit operation Schema control source pump, hot water circulating pump, cold water circulation pump and each frequency conversion that select
The state of blower fan, executes dynamic multi-mode operation.
Embodiment：
The cold and hot duplex of the present invention is for the chocolate processing technology shown in Fig. 1 for one embodiment of varying capacity system
Particularity specially design.In the present embodiment, master control warm area 210 is packing shop, the second temperature control area 220 and the 3rd temperature control
Area 230 is respectively the second tempering process room and the 3rd tempering process room；Producing line raw materials for production through mixing melt, fine grinding, refining,
Sieve, be incubated, temperature adjustment, pouring mold forming and hardening by cooling is finally packaged into product.
For fine grinding, temperature adjustment, pour the cold and hot amount demand of mold forming and technology of the package, described cold and hot water subsystem 300 to
The Refining apparatus 310 of line of production technology provide 45 DEG C of warm water, and are changed according to the thermic load of fine grinding technology, and dynamic adjustment hot water is followed
The running frequency of ring pump 31, meets the constant temperature demand of fine grinding technology by changing circulating water flow；Described cold and hot water subsystem
300 provide 6 DEG C of chilled waters to cast molding equipment 320, and are changed according to casting molding process refrigeration duty, and dynamic adjustment cold water is followed
The running frequency of ring pump 81, meets the constant temperature demand for pouring mould moulding process by changing circulating water flow.Air-supply subsystem 200 be
Packing shop provides the cold wind that basic wind-warm syndrome is 12 DEG C, and is changed according to the refrigeration duty of packing shop, adjusts master control warm area frequency conversion
The running frequency of blower fan 10, meets the constant temperature demand of technology of the package by changing the air output of master control warm area frequency conversion fan 10；When
System detectio to after the load variations of packing shop, the second tempering process room and the 3rd tempering process room, described air-supply subsystem
System 200, by the second frequency conversion fan 20 of adjustment and the running frequency of the 3rd frequency conversion fan 30, is the second tempering process room and the 3rd
Tempering process room provides the environment temperature for meeting tempering process, realizes the series connection transfiguration air-supply of three temperature control areas.For example：When second
The refrigeration duty of tempering process room or the 3rd tempering process room becomes hour, can be by correspondingly reducing the second frequency conversion fan 20 or the 3rd
The running frequency of frequency conversion fan 30, reduces the air circulation of frequency conversion fan, realizes effect of energy-conservation.
System executes dynamic cold-producing medium transfiguration operation according to the refrigeration duty changes in demand for pouring mould moulding process and packing shop
Pattern, to ensure system in the specific process procedure stable operation, and reaches the purpose of efficient energy-saving.
The embodiment of double transfiguration heat pump cold-hot combined supply system control methods of the present invention according to Fig. 6, described step
Rapid S400 includes following control operation action：
S420：Electronic flow valve 5 is closed, the second electric expansion valve 7 is opened, starts hot water circulating pump 31, stopped cold water and follow
Ring pump 81, enters hot water cool wind mode；In this pattern, compressor 1 compress after high-temperature high-pressure refrigerant gas, in helix tube
Heat exchange is carried out in formula heat exchanger 3, the cooling water outside pipe is transferred heat to, the hot water for producing 45 DEG C is sent to Refining apparatus 310
For fine grinding technology.Meanwhile, when fine grinding technology thermic load become hour, can pass through change hot water circulating pump 31 running frequency from
And hot water circulating flow is reduced, reach energy-conservation purpose.From the refrigerant liquid of the normal temperature high voltage out of spiral tube exchanger 3, warp
After crossing 7 reducing pressure by regulating flow of the second electronic expansion, the heat of vaporization vaporization that finned heat exchanger 11 absorbs fresh air is entered, eventually passes back to press
The air entry of contracting machine 1；12 DEG C of cold wind that heat cooling is produced are absorbed through finned heat exchanger 11, be sent to packing shop and form air-supply
The basic wind-warm syndrome of subsystem 200.
S440：Electronic flow valve 5 and the first electric expansion valve 6 is opened, the second electric expansion valve 7 is closed, is started hot water and is followed
Ring pump 31 and cold water circulation pump 81, enter cold and hot aqueous mode；In this pattern, from spiral tube exchanger normal temperature high voltage system out
Cryogen liquid after 6 reducing pressure by regulating flow of the first electric expansion valve, the heat of vaporization in 8 absorption cycle water route of sleeve pipe formula heat exchanger
Vaporization, eventually passes back to the air entry of compressor 1；6 DEG C of chilled waters that heat cooling is produced are absorbed through double pipe heat exchanger 8, be sent to
Cast molding equipment 320 is used for the cast molding of chocolate product.
S460：Electronic flow valve 5, the first electric expansion valve 6 and the second electric expansion valve 7 is opened, starts hot water circulating pump
31 and cold water circulation pump 81, enter hot and cold water cool wind mode；This pattern and is used for for 45 DEG C of hot water of fine grinding technology in offer
12 DEG C of cold wind, while 6 DEG C of chilled waters of chocolate product cast molding, is also provided for packing shop, realizes meeting chocolate
The cold and heat combined supply of production requirement.
S480：Electronic flow valve 5, the first electric expansion valve 6 and the second electric expansion valve 7 is opened, starts hot water circulating pump
31 and cold water circulation pump 81, cold-producing medium is produced branch road by finned evaporator branch road and cold water and sets up parallel circulating；If cold negative
Lotus increase needs to reduce refrigerant circulation temperature, then open hydrojet magnetic valve 13, executes hydrojet cooling by hydrojet branch road；According to
Air-supply subsystem 200 or cold water produce the refrigeration duty change of branch road, adjust the aperture of electronic flow valve 5, enter dynamic cold-producing medium
Transfiguration operational mode.Aperture and refrigerant cycle temperature of this pattern by control electronic flow valve 5, are automatically adjusted in and are connected in parallel
Finned evaporator branch road and cold water produce between two branch roads of branch road circulate refrigerant charge distribution, for example：When cold and hot
The refrigeration duty of water subsystem 300 diminishes, and during the refrigeration duty increase of subsystem 200 of blowing, by reducing opening for electronic flow valve 5
Degree, the first electric expansion valve 6 adjust throttling depth according to the refrigerant temperature that the first TEMP 61 is provided, so as to reduce cold water
The refrigerant flow of branch road is produced, is changed with adapting to the refrigeration duty of cold and hot water subsystem 300；Meanwhile, the second electric expansion valve 7
The refrigerant temperature be given according to second temperature sensing 71 adjusts throttling depth, and the refrigerant flow of finned evaporator branch road increases
Greatly, with adapt to blow subsystem 200 refrigeration duty change.Vice versa.
Those of ordinary skill in the art is it should be appreciated that above embodiment is intended merely to illustrate the present invention's
Technical scheme, and be not used as limitation of the invention, any connotation based on the present invention is to embodiment described above
The change made, modification, will all fall in the scope of the claims of the present invention.
Claims (8)
1. a kind of pair of transfiguration heat pump cold-hot combined supply system, including source pump, air-supply subsystem and cold and hot water subsystem, and
For realizing the control device of cold-hot combined supply system microprocessor control；It is characterized in that：
Described air-supply subsystem is many temperature control area series connection transfiguration air-supply subsystems, including master control warm area and at least one auxiliary control
Warm area, described master control warm area and each aids in temperature control area are according to its wind pushing temperature from as little as high sequential series, each temperature control area
Be respectively provided with one can independent control operation frequency conversion fan；
The finned evaporator for being placed in master control warm area is connected to the refrigerant line of source pump, from master control warm area frequency conversion fan
Fresh air through finned evaporator absorbing and cooling temperature, based on temperature control area basic wind-warm syndrome is provided；
After being placed in, the frequency conversion fan of a temperature control area sends the air-flow of previous temperature control area into this temperature control area successively, mixes with fresh air is supplemented
Form the air-supply air-flow that wind pushing temperature meets the requirement of this temperature control area；
Described control device passes through the operating frequency for controlling master control warm area frequency conversion fan and each aids in temperature control area frequency conversion fan,
The air quantity of each temperature control area is adjusted, the wind pushing temperature of each temperature control area of control air-supply subsystem realizes many temperature control area series connection transfigurations
Air-supply.
2. according to claim 1 pair of transfiguration heat pump cold-hot combined supply system, it is characterised in that the refrigeration of the source pump
Agent circulation line after passing sequentially through spiral tube heat exchanger, reservoir and filter, then is passed through from the beginning of the exhaust outlet of compressor
Branch road is produced by the finned evaporator branch road and cold water that are connected in parallel and reaches gas-liquid separator, most returned to through gas-liquid separator afterwards
The air entry of compressor；Described finned evaporator branch road includes the second electric expansion valve being connected in series and finned evaporation
Device；Described cold water produces electronic flow valve, the first electric expansion valve and the double pipe heat exchanger that branch road includes being connected in series.
3. according to claim 1 pair of transfiguration heat pump cold-hot combined supply system, it is characterised in that described cold and hot water subsystem
Including being connected to the hot water circulating pump of spiral tube heat exchanger circulation waterway, the cold water of double pipe heat exchanger circulation waterway is connected to
Circulating pump, is placed in the hot water temperature sensor of spiral tube heat exchanger delivery port, and is placed in double pipe heat exchanger delivery port
Cold water temperature sensor.
4. according to claim 1 pair of transfiguration heat pump cold-hot combined supply system, it is characterised in that described cold and hot water subsystem
Also include the hot-water branch that spiral tube heat exchanger delivery port is connected to by hot water regulating valve, and connected by cold water regulating valve
It is connected to the cold water arm of double pipe heat exchanger delivery port；Described cold and hot water subsystem is adjusted by controlling hot water regulating valve and cold water
The aperture of section valve, there is provided meet the tempering process water of water temperature requirement.
5. according to claim 1 pair of transfiguration heat pump cold-hot combined supply system, it is characterised in that described source pump is also wrapped
The hydrojet branch road that hydrojet magnetic valve and hydrojet capillary are composed in series is included, described hydrojet branch road is connected to spiral tube heat exchanger
Refrigerant outlet and the entrance of gas-liquid separator between, by hydrojet solenoid valve control hydrojet reduce compressor exhaust temperature
Degree.
6. according to claim 1 pair of transfiguration heat pump cold-hot combined supply system, it is characterised in that described control device passes through
On off state and its aperture of control electronic flow valve, the first electric expansion valve and the second electric expansion valve, changes source pump
Refrigerant circulation line assignment of traffic, coordinate the operation control of hot water circulating pump, cold water circulation pump and each frequency conversion fan, real
The dynamic multi-mode operation of existing cold-hot combined supply system；Described dynamic multi-mode operation includes following operational mode：
Hot water cool wind mode：Electronic flow valve cuts out, and the second electric expansion valve is opened, and cold-producing medium passes through finned evaporator branch road
Set up circulation；Hot water circuit pump startup, cold water circulation pump stop, and cold and hot water subsystem produces heat by spiral tube heat exchanger
Water, and changed according to the thermic load of cold and hot water subsystem, the running frequency of real-time control hot water circulating pump；Each temperature control area
Frequency conversion fan starts, and air-supply subsystem executes many temperature control area series connection transfiguration air-supplies, and is become according to the refrigeration duty of air-supply subsystem
Change, the running frequency of each frequency conversion fan of real-time control；
Cold and hot aqueous mode：Electronic flow valve and the first electric expansion valve are opened, and the second electric expansion valve is closed, and cold-producing medium is by cold
Water is produced branch road and sets up circulation；Hot water circulating pump and circulating chilled water pump startup, cold and hot water subsystem are being exchanged heat by helix tube type
While device hot water preparing, cold water is produced by described double pipe heat exchanger, and according to the cold and hot negative of cold and hot water subsystem
Lotus changes, the running frequency of real-time control hot water circulating pump and cold water circulation pump；The frequency conversion fan of each temperature control area stops, air-supply
Subsystem is out-of-blast；
Hot and cold water cool wind mode：Electronic flow valve, the first electric expansion valve and the second electric expansion valve are opened, and cold-producing medium is simultaneously logical
Cross finned evaporator branch road and cold water is produced branch road and sets up parallel circulating；Hot water circulating pump and circulating chilled water pump startup, cold and hot
Water subsystem produces cold water by described double pipe heat exchanger while by spiral tube heat exchanger hot water preparing, and
And changed according to the cooling and heating load of cold and hot water subsystem, the running frequency of real-time control hot water circulating pump and cold water circulation pump；Respectively
The frequency conversion fan of individual temperature control area starts, and air-supply subsystem executes many temperature control area series connection transfiguration air-supplies, and according to air-supply subsystem
Refrigeration duty change, the running frequency of each frequency conversion fan of real-time control；
Dynamic cold-producing medium transfiguration operational mode：Electronic flow valve, the first electric expansion valve and the second electric expansion valve is opened, is started
Hot water circulating pump and cold water circulation pump, cold-producing medium are produced branch road by finned evaporator branch road and cold water and set up parallel circulating；
If refrigeration duty increase needs to reduce refrigerant circulation temperature, hydrojet magnetic valve is opened, hydrojet cooling is executed by hydrojet branch road；
According to the refrigeration duty change that air-supply subsystem or cold water produce branch road, the aperture of electronic flow valve is adjusted, double pipe heat exchanger is made
With the refrigerant temperature change of finned evaporator outlet, change first electric expansion valve of initiation and the second electricity of refrigerant temperature
Sub- expansion valve executes aperture and automatically adjusts, and realizes the cold-producing medium varying capacity operational mode with refrigeration duty dynamic change.
7. a kind of double transfiguration heat pump cold-hot combined supply system controls of the double transfiguration heat pump cold-hot combined supply systems for described in claim 6
Method processed, it is characterised in that comprise the following steps：
S100：Configure cold and hot coolant-temperature gage and wind pushing temperature control parameter；
S200：Detection monitors the wind pushing temperature of cold and hot coolant-temperature gage and each temperature control area；
S300：According to cold and hot coolant-temperature gage and wind pushing temperature selection of control parameter unit operation pattern；
S400：According to the unit operation Schema control source pump, hot water circulating pump, cold water circulation pump and each frequency conversion fan that select
State, execute dynamic multi-mode operation.
8. according to claim 7 pair of transfiguration heat pump cold-hot combined supply system control method, it is characterised in that described step
S400 includes following control operation action：
S420：Electronic flow valve is closed, the second electric expansion valve is opened, starts hot water circulating pump, stop cold water circulation pump, entered
Hot water cool wind mode；
S440：Electronic flow valve and the first electric expansion valve is opened, the second electric expansion valve is closed, starts hot water circulating pump and cold
Water-circulating pump, enters cold and hot aqueous mode；
S460：Electronic flow valve, the first electric expansion valve and the second electric expansion valve is opened, is started hot water circulating pump and cold water is followed
Ring pump, enters hot and cold water cool wind mode；
S480：Electronic flow valve, the first electric expansion valve and the second electric expansion valve is opened, is started hot water circulating pump and cold water is followed
Ring pump, cold-producing medium are produced branch road by finned evaporator branch road and cold water and set up parallel circulating；If refrigeration duty increase needs to drop
Low refrigerant circulation temperature, then open hydrojet magnetic valve, executes hydrojet cooling by hydrojet branch road；
According to the refrigeration duty change that air-supply subsystem or cold water produce branch road, the aperture of electronic flow valve is adjusted, dynamic system is entered
Cryogen transfiguration operational mode.
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| CN106500404B (en) | 2022-04-12 |
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Address after: 221600 20 blocks, 1692 Xinghu Avenue, Nantong Development Zone, Nantong City, Jiangsu Province Patentee after: JIANGSU TENESUN ELECTRICAL APPLIANCE Co.,Ltd. Address before: 221600 20 blocks, 1692 Xinghu Avenue, Nantong Development Zone, Nantong City, Jiangsu Province Patentee before: JIANGSU TENESUN ELECTRICAL APPLIANCE Co.,Ltd. |
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Denomination of invention: A dual-volume heat pump combined cooling and heating system and its control method Effective date of registration: 20230109 Granted publication date: 20220412 Pledgee: Bank of Communications Co.,Ltd. Nantong Branch Pledgor: JIANGSU TENESUN ELECTRICAL APPLIANCE Co.,Ltd. Registration number: Y2023980030591 |