CN105222219B - A kind of source pump alternating temperature heating temperature control method of water and its control device - Google Patents
A kind of source pump alternating temperature heating temperature control method of water and its control device Download PDFInfo
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- CN105222219B CN105222219B CN201510591807.1A CN201510591807A CN105222219B CN 105222219 B CN105222219 B CN 105222219B CN 201510591807 A CN201510591807 A CN 201510591807A CN 105222219 B CN105222219 B CN 105222219B
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Abstract
A kind of source pump alternating temperature heating temperature control method of water and its control device, using the central hot water heating systems and its control method of heat pump, more particularly to a kind of control device for the source pump temperature control method of water of radiator heating and for realizing the control method, comprise the following steps：Obtain indoor temperature and setting value at room temperature；According to indoor temperature and setting value at room temperature Ts difference, the temperature control setting value of Three-way Thermostatic Valve delivery port is adjusted；According to the temperature difference according to predetermined temperature range and heating or cooling rate, Three-way Thermostatic Valve delivery port setting value is progressively adjusted；Synchronous adjustment compressor shutdown water temperature setting value makes middle warm water water temperature equal with Three-way Thermostatic Valve exit water temperature simultaneously, realizes alternating temperature heating water temperature control system；Single stage compress and common environment friendly refrigerating fluid, which is used only, in the present invention can just produce high-temperature-hot-water, can realize the function of energy storage when not needing a large amount of heat energy indoors in the requirement for meeting the change of height heating load simultaneously, play a part of peak clipping and add paddy.
Description
Technical field
It is used for heating the present invention relates to the central hot water heating systems and its control method using heat pump, more particularly to one kind
The source pump temperature control method of water of piece heating and the control device for realizing the control method.
Background technology
Many composite factors such as northern China air quality declines, haze takes place frequently, heating cost height, make capital Beijing, day
The ground such as Tianjin, Hebei are made a decision sincerely, and carry out " coal changes electricity " policy energetically, it is supporting that 10,000,000,000 yuan of reprimand implements electric power to traditional small coal heating
Improvement project.Northern heating is more based on radiator, and it is that a kind of important coal changes power technology side for radiator heating to use heat pump
Case.Chinese invention patent " heat pump type hot-water central heating " (Chinese invention patent number：ZL03123266.3, Authorization Notice No.：
CN1233956C the hot water pipe arrangement company of a kind of heat pump type hot-water central heating, floor heating piece and hot water supply apparatus) is disclosed
Connect easily, and need not for prevent from freezing making circulating pump force operating.The heat pump type hot-water central heating includes heat-pump-type room
Outer machine, floor heating piece, connected with refrigerant piping and outdoor unit and use hot water pipe arrangement and floor heating piece connection hot water supply
To device.The hot water supply apparatus is provided with：Refrigerant and water is set to carry out the heating refrigerant of heat exchange to water- to-water heat exchanger；
It is disposed in the circulating pump in hot water pipe arrangement；For the refrigerant valve connected by refrigerant piping and outdoor unit, for passing through
Hot water pipe arrangement and the hot water valve of floor heating piece connection, the control device being communicatively connected with remote control, and
For being connected with the control device and and the order wire terminal for connecting that is communicatively coupled of outdoor unit.Although the invention provides
It is the technical scheme that radiator heats using heat pump, can be used for the transformation of existing radiator heating system, still, due to heating
Piece heating heating temperature in initial heating needs 65 degree, and the temperature of existing heat pump water-heating machine heating is 55 degree, radiator
Heat dispersion is reduced to 60% or so when in 55 degree or so water temperatures than 65 degree, and such heating effect will decline to a great extent, indoor
Reach that the temperature-time of setting can be very long.And with the continuous rising of indoor temperature, when indoor temperature reaches the comfortable of setting
During temperature, now because wall thermal insulating effect is preferable, heat dissipation capacity is smaller, indoor if also heated using 55 degree of water temperatures
Temperature can be increased over setting value at room temperature, not reach comfortable temperature requirement, and at this moment client artificially opens the window and drawn
Fresh air cooling reduces indoor temperature, so as to lose substantial amounts of heat energy, operating cost can also be significantly increased.Temperature is close indoors sets
During fixed temperature, 55 degree of hot water supply radiator is also produced always, compressor power consumption can roll up, while heat dissipation of pipeline
It can increase a lot.
Enter application for a patent for invention " heat pump " (Chinese invention patent application of China by PCT application approach
Number：201080012689.X, publication number：CN102348942A) disclose it is a kind of can be negative in the heat carried out by secondary refrigerant
Make the heat pump that cycle efficieny is improved in load processing.The heat pump circuit circulated for carbon dioxide coolant has rudimentary side compression
Machine, senior side compression machine, expansion valve and evaporator；Being provided as the loop that heats of the water circulation of secondary refrigerant has heating
Piece；It is provided as heating and there is the medium voltage side fork stream being connected in parallel to each other and high-pressure side point with the loop that heats of the water circulation of thermal medium
Branch road；Control unit operation heats mixing valve, so that in medium voltage side fork stream heated two in middle pressure water heat exchanger
Diverge in stream the temperature of in the second high pressure water heat exchanger heated secondary refrigerant for the temperature of secondary refrigerant and high-pressure side
Degree is identical.The heating combined equipment of the invention can improve cycle efficieny in the processing of the heat load carried out by secondary refrigerant,
Suitable for handling the heat pump of heat load using the heat pump circuit with multiple compression compressing member.The technology of the invention
Although scheme can provide the high-temperature-hot-water met needed for radiator heating initial stage, the technical scheme does not also solve to warm up
The heating of gas piece requires hot water temperature different technical problems in different room temperature states, and with multiple compression compressing member
Heat pump circuit need to use a variety of refrigerants to handle the heat pump of heat load, its system architecture is complicated, involves great expense, will
The improvement cost for causing coal to change electricity is drastically raised.
The content of the invention
The invention aims to provide a kind of temperature control method of water for being used to realize source pump alternating temperature heating, it is used only
Single stage compress and common environment friendly refrigerating fluid, it is possible to solve radiator heating and required in different room temperature states hot water temperature
Different technical problems, can either meet the demand being rapidly heated when temperature is relatively low indoors, temperature can approach indoors again
Water temperature is reduced during setting value at room temperature keeps room temperature constant, reaches energy-saving purpose.
The present invention solves the technical scheme that is used of above-mentioned technical problem：
A kind of source pump alternating temperature heating temperature control method of water, for the source pump of radiator heating, described heat pump
Unit includes Gas-supplying enthalpy-increasing compressor set, for obtaining heat energy from external heat source；Radiator, for indoor heating heat supply；High temperature
Thermal storage device, the sensible heat for absorption refrigeration agent produces high-temperature-hot-water；Middle temperature volume device, during the latent heat for absorption refrigeration agent is produced
Warm water；And control device, the operation for controlling source pump；It is characterized in that：
Described control device is real by controlling the refrigeration system motion flow and hot-water heating system motion flow of source pump
Existing alternating temperature heating water temperature control system；
Described source pump alternating temperature heating temperature control method of water comprises the following steps：
S100：Obtain indoor temperature Tsc and setting value at room temperature Ts；
S200：If indoor temperature Tsc≤setting value at room temperature Ts-10, Three-way Thermostatic Valve delivery port C temperature control setting value Tc is adjusted
Whole is 70 DEG C；
S300：If setting value at room temperature Ts-10 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-5, Three-way Thermostatic Valve delivery port C
Temperature control setting value Tc be adjusted to 65 DEG C；
S400：If setting value at room temperature Ts-5 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-3, it is worth based on 50 DEG C, with
65 DEG C are the heating upper limit, and according to the programming rate for improving 1 DEG C for every 5 minutes, the temperature control for progressively heightening Three-way Thermostatic Valve delivery port C is set
Definite value Tc；
S500：If setting value at room temperature Ts-3 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-1, it is worth based on 45 DEG C, with
50 DEG C are the heating upper limit, and according to the programming rate for improving 1 DEG C for every 5 minutes, the temperature control for progressively heightening Three-way Thermostatic Valve delivery port C is set
Definite value Tc；
S600：If setting value at room temperature Ts-1 ＜ indoor temperatures Tsc≤setting value at room temperature Ts+1, it is worth based on 40 DEG C, with
45 DEG C are the heating upper limit, and according to the programming rate for improving 1 DEG C for every 5 minutes, the temperature control for progressively heightening Three-way Thermostatic Valve delivery port C is set
Definite value Tc；While temperature control setting value Tc is adjusted, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump is protected
Warm water water temperature T m is equal with Three-way Thermostatic Valve exit water temperature Tf in card；
S700：If indoor temperature Tsc ＞ Ts+1, it is worth based on 40 DEG C, with 35 DEG C for temperature control lower limit, according to every 5 minutes
The cooling rate of 1 DEG C of reduction, progressively turns down Three-way Thermostatic Valve delivery port C temperature control setting value Tc；In adjustment temperature control setting value Tc
While, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump, it is ensured that middle warm water water temperature T m and Three-way Thermostatic Valve
Exit water temperature Tf is equal.
A kind of preferred technical scheme of the source pump alternating temperature heating temperature control method of water of the present invention, it is characterised in that institute
The refrigeration system motion flow stated includes following action：
The high-temperature high-pressure gas refrigerant of compressor discharge, the turbulent disk of reinforcing entered by four-way valve in high temperature reservoir
Pipe, to the sensible heat of high temperature reservoir refrigerant release, the high-temperature-hot-water of 75-80 DEG C of generation in high temperature reservoir；
The spiral heat exchanger in the middle temperature volume device of refrigerant arrival after sensible heat is discharged, discharges latent by spiral heat exchanger
Heat, the temperature that the water in middle temperature volume device is heated to dynamically be set by control device；
The medium temperature and medium pressure liquid refrigerant that therefrom warm volume device comes out, reaches economizer and is subcooled；Liquid after supercooling
Refrigerant is divided into two-way, and main heating power expansion valve is reached all the way and carries out reducing pressure by regulating flow, another road to tonifying Qi expansion valve；By main heating power
The refrigerant of expansion valve reducing pressure by regulating flow reaches finned heat exchanger, is changed into gaseous refrigerant after absorbing heat from air, then lead to
Cross four-way valve and reach vapour liquid separator, isolate and compressor is returned to after gaseous refrigerant；Returned by the refrigerant of tonifying Qi expansion valve
To economizer, the second vapor injection chamber that compressor is returned to after heat vaporization is absorbed.
A kind of preferably technical scheme of the source pump alternating temperature heating temperature control method of water of the present invention, it is characterised in that institute
The hot-water heating system motion flow stated includes heating flow and interior circulation heating procedure：
Heating flow：Exit water temperature and the comparison of the temperature control setting value of dynamic setting of the Three-way Thermostatic Valve according to delivery port C
As a result, A-C and B-C circulation is adjusted, by the delivery port c submittings from the delivery port f of high temperature reservoir and middle temperature volume device
Hot water, blending transportation is into radiator；Water pump extracts the water in radiator, and the water inlet a for sending into middle temperature volume device just add
Heat；Water after just heating flows out via delivery port b, reaches the bottom of middle temperature volume device and in the delivery port point of middle temperature volume device
Stream, is sent to the water inlet B of triple valve thermostatic valve, another road passes through middle temperature volume device by the delivery port c of middle temperature volume device all the way
Delivery port d be sent to the water inlet e of high temperature reservoir；After being heated again by high temperature reservoir, the height through heating again is warmed
Water is sent to the water inlet A of Three-way Thermostatic Valve by the delivery port f of high temperature reservoir, forms hot water heating circulation；
Interior circulation heating procedure：When central warm water water temperature reaches the temperature control setting value of dynamic setting, if high-temperature water water temperature is also
75 DEG C are not reaching to, then opens the hot water bypass solenoid valve on radiator pipeline, Three-way Thermostatic Valve and radiator are bypassed；High temperature
The delivery port f of thermal storage device water is extracted by hot water bypass solenoid valve by water pump, and the water inlet a for sending into middle temperature volume device is carried out just
Heating；Water after just heating flows out to the bottom of middle temperature volume device, then pass through the water outlet of middle temperature volume device via delivery port b
Mouth d is sent to the water inlet e of high temperature reservoir；After being heated again by high temperature reservoir, then return from the delivery port f of high temperature reservoir
To hot water bypass solenoid valve, high-temperature water heating internal-circulation is formed.
Another object of the present invention is to provide for a kind of control device for radiator water heating heat pump unit, by adopting
With above-mentioned alternating temperature heating temperature control method of water, it is ensured that reach the purpose of quick heating in low indoor temperature；It is warm indoors
When degree is close to the temperature set, by reducing the inflow temperature of radiator, indoor temperature relative constancy is kept, so as to reach energy-conservation
The purpose of consumption reduction.The present invention solves the technical scheme that is used of above-mentioned technical problem：
A kind of alternating temperature water heating heat pump unit allocation dress for being used to realize above-mentioned source pump alternating temperature heating temperature control method of water
Put, it is characterised in that including alternating temperature dynamic state of parameters setting module, compressor set control module and heating water temperature detector survey control module；
The input of the alternating temperature dynamic state of parameters setting module, is connected to indoor temperature transmitter, obtains indoor temperature；The compressor
The input of group control module, is connected to middle temperature volume device cooling-water temperature sensor, warm water water temperature in acquisition；The heating water temperature detector is surveyed
The input of control module, is connected to high temperature reservoir cooling-water temperature sensor and triple valve exit water temperature sensor, obtains high respectively
Warm water water temperature and Three-way Thermostatic Valve exit water temperature；The output end of the alternating temperature dynamic state of parameters setting module, is connected to compressor set
The input of control module, dynamic compressor shutdown water temperature setting value is transmitted to compressor set control module；The alternating temperature ginseng
The output end of number dynamic setting module, is also connected to the input that heating water temperature detector surveys control module, to heating water temperature detector observing and controlling
Molding block transmits dynamic leaving water temperature temperature control setting value；The output end of the compressor set control module, is connected to compressor
And water pump, the operating of control compressor and water pump；The heating water temperature detector surveys the output end of control module, is connected to bypass electromagnetism
Valve, Three-way Thermostatic Valve and hot water bypass solenoid valve；Described alternating temperature dynamic state of parameters setting module compares indoor temperature and set with room temperature
Definite value, according to indoor temperature and the difference of setting value at room temperature, dynamic adjustment leaving water temperature temperature control setting value and compressor shutdown water temperature
Setting value；The middle warm water water temperature of described compressor set control module and compressor shutdown water temperature setting value, by controlling to press
Warm water water temperature in the runing adjustment of contracting machine；Described heating water temperature detector surveys control module, is bypassed by bypassing magnetic valve and hot water
Magnetic valve, controls high-temperature water water temperature, and according to high-temperature water water temperature, middle warm water water temperature and leaving water temperature temperature control setting value Tc, control
A-C, B-C of Three-way Thermostatic Valve processed circulation, are gone out by the mixing ratio regulation Three-way Thermostatic Valve for changing high-temperature water and middle warm water
Saliva temperature, realizes alternating temperature heating water temperature control system.
A kind of preferably technical scheme of the alternating temperature water heating heat pump machine set control device of the present invention, it is characterised in that the pressure
The input of contracting unit allocation module, is also connected to the exhaust lateral pressure sensor and exhaust gas temperature sensor of compressor, respectively
Obtain the exhaust lateral pressure and delivery temperature of compressor；The output end of the compressor set control module, is also connected to and unloads charged
Magnet valve and liquid-filling valve；Described compressor set control module is according to the exhaust lateral pressure and delivery temperature of compressor, control refrigeration
The off-load and fluid injection of agent, protect the safe operation of compressor.
The beneficial effects of the invention are as follows：
1st, source pump alternating temperature heating temperature control method of water and its control device of the invention, by setting high-temperature heat-storage
Device, with reference to the application of compressor set off-load technology, can make source pump that single stage compress and common R410A environment-friendly types is used only
Refrigerant, it becomes possible to produce 65-75 DEG C of high-temperature-hot-water, meet the demand of the high-temperature inlet water under the situation of radiator part.Inside follow
The innovation of ring heating, can meet the requirement of height heating load change simultaneously, realization when not needing a large amount of heat energy indoors
The function of energy storage, plays a part of peak clipping and adds paddy.
2nd, source pump alternating temperature heating temperature control method of water and its control device of the invention, by setting middle temperature volume device
The condensation effect of system is improved, while by extending holdup time of the hot water in middle temperature volume device, heat pump can be improved
Coolant-temperature gage is heated, the stability of leaving water temperature is improved.
3rd, source pump alternating temperature heating temperature control method of water and its control device of the invention, by using alternating temperature heating water
Temperature control system, it is ensured that the purpose of quick heating is reached in low indoor temperature；When temperature is close to the temperature set indoors, lead to
The inflow temperature of reduction radiator is crossed, indoor temperature relative constancy is kept, while energy-saving purpose can be reached.Alternating temperature heating
Temperature control method of water can automatically adjust middle warm water water temperature according to indoor temperature, Three-way Thermostatic Valve outlet temperature, realize indoors
The heating-up temperature of source pump is automatically adjusted during temperature near room temperature setting value, both source pump can be avoided to heat always 55
Spend highly energy-consuming area, additionally it is possible to avoid unit frequent starting.
4th, source pump alternating temperature heating temperature control method of water and its control device of the invention, pass through Three-way Thermostatic Valve control
High-temperature-hot-water and the mixed flow flux of middle warm water, can meet indoor and outdoor varying environment temperature and the property of different radiators
Can demand.By using dynamic Gas-supplying enthalpy-increasing technology, source pump can be improved in low ambient temperature, especially -5 DEG C environment temperature
Heating capacity and the coefficient of performance when below degree, the need for the northern low temp area radiator heating coal of satisfaction changes electricity.
Brief description of the drawings
Fig. 1 is the structural representation of the source pump for radiator heating of the present invention；
Fig. 2 is the schematic diagram of the control device of the source pump for radiator heating of the present invention；
Fig. 3 is the source pump alternating temperature heating water temperature control method flow chart for radiator heating of the present invention.
The reference of each part in each figure of the above：100- Gas-supplying enthalpy-increasing compressor sets, 110- compressors, 120- four-ways
Valve, 130- economizers, the main heating power expansion valves of 140-, 141- tonifying Qi expansion valves, 150- finned heat exchangers, 160- gas-liquid separators,
170- off-load magnetic valves, 171- capillaries, 172- check valves, 180- liquid-filling valves, 200- high temperature reservoirs, the turbulent disk of 210- reinforcings
Pipe, 220- bypass magnetic valves, the middle temperature volume devices of 300-, 310- spiral heat exchangers, 320- Three-way Thermostatic Valves, 400- radiators,
410- water pumps, 420- hot water bypass solenoid valves, 500- control devices, 510- alternating temperature dynamic state of parameters setting modules, 511- Indoor Temperatures
Degree sensor, 520- compressor set control modules, the middle temperature volume device cooling-water temperature sensors of 521-, 522- exhaust lateral pressure sensors,
523- exhaust gas temperature sensors, 530- heating waters temperature detector surveys control module, 531- high temperature reservoir cooling-water temperature sensors, 532- threeways
Thermostatic valve exit water temperature sensor.
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
It is described in detail.Fig. 1 is one embodiment of the source pump for radiator heating of the present invention, including Gas-supplying enthalpy-increasing compressor
Group 100, for obtaining heat energy from external heat source；Radiator 400, for indoor heating heat supply；And control device 500, it is used for
Control the operation of source pump；
In the embodiment shown in fig. 1, the described source pump for radiator heating also includes high temperature reservoir 200
With middle temperature volume device 300；Described high temperature reservoir 200 is the built-in high-temperature water tank for strengthening turbulent coil pipe 210, for absorbing system
The sensible heat of cryogen produces high-temperature-hot-water；Described middle temperature volume device 300 is the middle reservoir of built-in spiral heat exchanger 310, is used for
The latent heat of absorption refrigeration agent produces middle warm water；
The exhaust outlet of compressor 110, passes sequentially through four-way valve 120, the turbulent coil pipe 210 of reinforcing of high temperature reservoir 200, in
The spiral heat exchanger 310 of warm volume device 300, is connected to economizer 130, by being divided into two-way after economizer 130, wherein, all the way
By main heating power expansion valve 140, finned heat exchanger 150, four-way valve 120 and gas-liquid separator 160, compressor 110 is connected to
Air inlet, another road returns to economizer 130 by tonifying Qi expansion valve 141, then is mended from the centre that economizer 130 is connected to compressor
Air cavity, constitutes the refrigerant circulation loop of Gas-supplying enthalpy-increasing compressor set 100；
The bottom of the high temperature reservoir 200 is provided with water inlet e, and top is provided with delivery port f；Described middle temperature volume device
300 import and export provided with 4 water routes, wherein, water inlet a is communicates directly to the waterway inlet of spiral heat exchanger 310；Delivery port b is
Inside the water route outlet of spiral heat exchanger 310, the water tank for being opened in middle temperature volume device 300, after being heated through spiral heat exchanger 310
Water flows out from delivery port b, is directly entered the bottom of middle temperature volume device 300；Delivery port c and delivery port d are placed in middle temperature volume device 300
Tank top；
The delivery port of the radiator 400 is connected to the water inlet a of middle temperature volume device 300, middle temperature volume by water pump 410
The delivery port c of device 300 is connected to the water inlet B of Three-way Thermostatic Valve 320, the delivery port d connection high-temperature heat-storages of middle temperature volume device 300
The water inlet e of device 200, the delivery port f of high temperature reservoir 200 are connected to the water inlet A of Three-way Thermostatic Valve 320；Three-way Thermostatic Valve
320 delivery port C is connected to the water inlet of radiator, constitutes radiator heating water circulation loop；
In the example shown in Fig. 1, it is provided between the delivery port f of high temperature reservoir 200 and the delivery port of radiator 400
Hot water bypass solenoid valve 420；When hot water bypass solenoid valve 420 is in open mode, the delivery port f of high temperature reservoir 200 leads to
Superheated water bypass solenoid valve 420 is connected to the water inlet a of middle temperature volume device 300, and the delivery port d of middle temperature volume device 300 is connected to
The water inlet e of high temperature reservoir 200, forms interior circulation high-temperature water heat cycles loop.
Described control device 500 is by controlling the refrigeration system motion flow and hot-water heating system stream of action of source pump
Journey, realizes alternating temperature heating water temperature control system；Control device 500 and each portion of source pump are represented in Fig. 1 with double dot dash line suitability
Control annexation between part.
Described refrigeration system motion flow is as follows：
The high-temperature high-pressure gas refrigerant that compressor 110 is discharged, is entered in high temperature reservoir 200 by four-way valve 120
The turbulent coil pipe of reinforcing, to the sensible heat of high temperature reservoir refrigerant release, the high temperature of 75-80 DEG C of generation in high temperature reservoir 200
Hot water；
The spiral heat exchanger 310 in the middle temperature volume device 300 of refrigerant arrival after sensible heat is discharged, passes through spiral heat exchanger
310 release latent heat, the water in middle temperature volume device 300 is heated to by 35-70 DEG C of the dynamic setting of control device 500；
Therefrom 300 medium temperature and medium pressure liquid refrigerant out of warm volume device, reaches economizer 130 and is subcooled；After supercooling
Liquid refrigerant be divided into two-way, main heating power expansion valve 140 is reached all the way and carries out reducing pressure by regulating flow, another road to tonifying Qi expansion valve
141；Finned heat exchanger 150 is reached by the refrigerant of the main reducing pressure by regulating flow of heating power expansion valve 140, is absorbed from air after heat
It is changed into gaseous refrigerant, then vapour liquid separator 160 is reached by four-way valve 120, isolates and compressor is returned to after gaseous refrigerant
110；Economizer 130 is returned to by the refrigerant of tonifying Qi expansion valve 141, the centre that compressor 110 is returned to after heat vaporization is absorbed
Tonifying Qi chamber；
Described hot-water heating system motion flow includes heating flow and interior circulation heating procedure：
Heating flow：The temperature control setting value Tc that Three-way Thermostatic Valve 320 is set according to delivery port C exit water temperature Tf with dynamic
Comparative result, A-C and B-C circulation is adjusted, by going out from the delivery port f of high temperature reservoir 200 and middle temperature volume device 300
The hot water that mouth of a river c is sent out, is mixed into the heating hot water that water temperature is Tf, heating is transported to by the delivery port C of Three-way Thermostatic Valve 320
In piece 400；Water pump 410 extracts the water in radiator 400, sends into the water inlet a of the spiral heat exchanger 310 of middle temperature volume device 300
Just heat；Water after just heating flows out via the delivery port b of spiral heat exchanger 310, reaches the bottom of middle temperature volume device 300
Portion is simultaneously shunted in the delivery port of middle temperature volume device 300, is sent to triple valve constant temperature by the delivery port c of middle temperature volume device 300 all the way
The water inlet B of valve 320, another road is sent to the water inlet e of high temperature reservoir 200 by the delivery port d of middle temperature volume device 300；It is logical
Cross after high temperature reservoir 200 heats again, the high-temperature-hot-water through heating again is sent to three by the delivery port f of high temperature reservoir 200
The water inlet A of logical thermostatic valve, forms hot water heating circulation；
Interior circulation heating procedure：Water temperature (warm water water temperature in abbreviation) Tm of central temperature volume device 300 reaches dynamic setting
During temperature control setting value Tc, if indoor temperature Tsc reaches setting value at room temperature without continuing heating, A-C, B- of Three-way Thermostatic Valve
C will be all in closed mode；If now water temperature (abbreviation high-temperature water water temperature) Th of high temperature reservoir 200 is also not reaching to 75 DEG C,
The hot water bypass solenoid valve 420 on the pipeline of radiator 400 is then opened, Three-way Thermostatic Valve 320 and radiator 400 are bypassed；High temperature
The delivery port f of thermal storage device water is extracted by hot water bypass solenoid valve 420 by water pump 410, sends into the spiral of middle temperature volume device 300
The water inlet a of heat exchanger 310 just heat；Water after just heating is flowed out to via the delivery port b of spiral heat exchanger 310
The bottom of middle temperature volume device 300 is sent to the water inlet e of high temperature reservoir 200 by the delivery port d of middle temperature volume device 300 again；It is logical
Cross after high temperature reservoir 200 heats again, then hot water bypass solenoid valve 420, shape are returned to from the delivery port f of high temperature reservoir 200
Into high-temperature water heating internal-circulation, so as to realize the function of energy storage when not needing a large amount of heat energy indoors, the work that peak clipping adds paddy is played
With.
It is disorderly in described reinforcing in the embodiment of the source pump for radiator heating of the invention shown in Fig. 1
The refrigerant line entrance and exit of flow table pipe 210, is connected in parallel to bypass magnetic valve 220；When the water temperature of high temperature reservoir 200
When Th reaches 80 DEG C, the bypass magnetic valve 220 of high temperature reservoir 200 is opened, stops the heating to high temperature reservoir 200；Compression
The high-temperature high-pressure gas refrigerant that machine 110 is discharged, by four-way valve 120 and bypass magnetic valve 220, is directly sent to middle temperature volume device
Spiral heat exchanger 310 in 300；When temperature is less than 75 DEG C, bypass magnetic valve 220 is closed, is recovered to high temperature reservoir 200
Heating.
The embodiment of the source pump for radiator heating of the invention according to Fig. 1, the Gas-supplying enthalpy-increasing pressure
The refrigerant circulation loop of contracting unit 100, in addition to main heating power expansion valve 140 is connected in parallel on by capillary 171 and check valve 172
The off-load magnetic valve 170 at two ends, and the liquid-filling valve 180 being connected in parallel between economized refrigerant entrance and exit；Work as compressor
When 110 exhaust lateral pressure (high pressure) reaches 2.8MPa, open off-load magnetic valve 170 and carry out off-load, reduce exhaust lateral pressure, protect
Protect compressor；When high pressure drops to 2.6MPa, off-load magnetic valve is closed；When delivery temperature is more than 110 DEG C, liquid-filling valve is opened
180 pairs of gaseous refrigerants for entering compressor by gas supplementing opening carry out fluid injection cooling, so as to reduce delivery temperature；Work as delivery temperature
During less than 100 DEG C, liquid-filling valve 180 is closed.
One embodiment of the control device 500 of the source pump for radiator heating of the present invention is as shown in Fig. 2 bag
Alternating temperature dynamic state of parameters setting module 510 is included, compressor set control module 520 and heating water temperature detector survey control module 530；It is described to become
The input of warm dynamic state of parameters setting module 510, is connected to indoor temperature transmitter 511, obtains indoor temperature Tsc；The pressure
The input of contracting unit allocation module 520, is connected to middle temperature volume device cooling-water temperature sensor 521, warm water water temperature T m in acquisition；It is described
Heating water temperature detector surveys the input of control module 530, is connected to high temperature reservoir cooling-water temperature sensor 531 and triple valve exit water temperature
Sensor 532, obtains the water temperature T h and Three-way Thermostatic Valve exit water temperature Tf of high temperature reservoir 200 respectively；The alternating temperature parameter is moved
The output end of state setting module 510, is connected to the input of compressor set control module 520, to compressor set control module 520
Transmit dynamic compressor shutdown water temperature setting value Tst；The output end of the alternating temperature dynamic state of parameters setting module 510, is also connected with
The input of control module 530 is surveyed to heating water temperature detector, control module 530 is surveyed to heating water temperature detector and transmits dynamic leaving water temperature
Temperature control setting value Tc；The output end of the compressor set control module 520, is connected to compressor 110 and water pump 410, control pressure
The operating of contracting machine 110 and water pump 410；The heating water temperature detector surveys the output end of control module 530, is connected to bypass magnetic valve
220, Three-way Thermostatic Valve 320 and hot water bypass solenoid valve 420；Described alternating temperature dynamic state of parameters setting module 510 compares Indoor Temperature
Tsc and setting value at room temperature Ts is spent, according to indoor temperature Tsc and setting value at room temperature Ts difference, dynamic adjustment leaving water temperature temperature control is set
Definite value Tc and compressor shutdown water temperature setting value Tst；Warm water water temperature T m and pressure during described compressor set control module 520 compares
Contracting machine shuts down warm water water temperature T m in water temperature setting value Tst, the runing adjustment by controlling compressor；Described heating water temperature detector is surveyed
Control module 530, by bypassing magnetic valve 220 and hot water bypass solenoid valve 420, controls the water temperature T h of high temperature reservoir 200, and
And according to high-temperature water water temperature T h, middle warm water water temperature T m and leaving water temperature temperature control setting value Tc, control Three-way Thermostatic Valve 320 A-C,
B-C circulation, adjusts Three-way Thermostatic Valve exit water temperature Tf by the mixing ratio for changing high-temperature water and middle warm water, realizes that alternating temperature is adopted
Warm water temperature is controlled.
The embodiment of the control device 500 of source pump according to Fig. 2, the compressor set control module 520
Input, is also connected to the exhaust lateral pressure sensor 522 and exhaust gas temperature sensor 523 of compressor 110, and compression is obtained respectively
The exhaust lateral pressure and delivery temperature of machine 110；The output end of the compressor set control module 520, is also connected to off-load electromagnetism
Valve 170 and liquid-filling valve 180；Described compressor set control module 520 is warm according to the exhaust lateral pressure of compressor 110 and exhaust
Degree, controls the off-load and fluid injection of refrigerant, protects the safe operation of compressor.
Fig. 3 is one embodiment of the source pump alternating temperature heating temperature control method of water for radiator heating of the present invention
As shown in figure 3, comprising the following steps：
S100：Obtain indoor temperature Tsc and setting value at room temperature Ts；This step obtains room by indoor temperature transmitter 511
Interior temperature Tsc, and control panel or remote control acquisition setting value at room temperature Ts by source pump.
S200：If indoor temperature Tsc≤setting value at room temperature Ts-10, Three-way Thermostatic Valve delivery port C temperature control setting value Tc is adjusted
Whole is 70 DEG C；
S300：If setting value at room temperature Ts-10 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-5, Three-way Thermostatic Valve delivery port C
Temperature control setting value Tc be adjusted to 65 DEG C；
S400：If setting value at room temperature Ts-5 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-3, it is worth based on 50 DEG C, with
65 DEG C are the heating upper limit, and according to the programming rate for improving 1 DEG C for every 5 minutes, the temperature control for progressively heightening Three-way Thermostatic Valve delivery port C is set
Definite value Tc；
S500：If setting value at room temperature Ts-3 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-1, it is worth based on 45 DEG C, with
50 DEG C are the heating upper limit, and according to the programming rate for improving 1 DEG C for every 5 minutes, the temperature control for progressively heightening Three-way Thermostatic Valve delivery port C is set
Definite value Tc；
S600：If setting value at room temperature Ts-1 ＜ indoor temperatures Tsc≤setting value at room temperature Ts+1, it is worth based on 40 DEG C, with
45 DEG C are the heating upper limit, and according to the programming rate for improving 1 DEG C for every 5 minutes, the temperature control for progressively heightening Three-way Thermostatic Valve delivery port C is set
Definite value Tc；While temperature control setting value Tc is adjusted, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump is protected
Warm water water temperature T m is equal with Three-way Thermostatic Valve exit water temperature Tf in card；
S700：If indoor temperature Tsc ＞ Ts+1, it is worth based on 40 DEG C, with 35 DEG C for temperature control lower limit, according to every 5 minutes
The cooling rate of 1 DEG C of reduction, progressively turns down Three-way Thermostatic Valve delivery port C temperature control setting value Tc；In adjustment temperature control setting value Tc
While, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump, it is ensured that middle warm water water temperature T m and Three-way Thermostatic Valve
Exit water temperature Tf is equal.
Those of ordinary skill in the art is it should be appreciated that the embodiment of the above is intended merely to the explanation 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
Change, the modification made, will all fall in the scope of the claims of the present invention.
Claims (5)
1. a kind of source pump alternating temperature heating temperature control method of water, for the source pump of radiator heating, described heat pump machine
Group includes Gas-supplying enthalpy-increasing compressor set, for obtaining heat energy from external heat source；Radiator, for indoor heating heat supply；High temperature is stored up
Hot device, for producing high-temperature-hot-water；Middle temperature volume device, for producing middle warm water；And control device, for controlling heat pump machine
The operation of group；It is characterized in that：
Described control device is realized and become by controlling the refrigeration system motion flow and hot-water heating system motion flow of source pump
Warm heating water temperature control system；
Described source pump alternating temperature heating temperature control method of water comprises the following steps：
S100：Obtain indoor temperature Tsc and setting value at room temperature Ts；
S200：If indoor temperature Tsc≤setting value at room temperature Ts-10, Three-way Thermostatic Valve delivery port C temperature control setting value Tc is adjusted to
70℃；
S300：If setting value at room temperature Ts-10 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-5, Three-way Thermostatic Valve delivery port C control
Warm setting value Tc is adjusted to 65 DEG C；
S400：If setting value at room temperature Ts-5 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-3, it is worth based on 50 DEG C, with 65 DEG C
For the heating upper limit, according to the programming rate for improving 1 DEG C for every 5 minutes, Three-way Thermostatic Valve delivery port C temperature control setting value is progressively heightened
Tc；
S500：If setting value at room temperature Ts-3 ＜ indoor temperatures Tsc≤setting value at room temperature Ts-1, it is worth based on 45 DEG C, with 50 DEG C
For the heating upper limit, according to the programming rate for improving 1 DEG C for every 5 minutes, Three-way Thermostatic Valve delivery port C temperature control setting value is progressively heightened
Tc；
S600：If setting value at room temperature Ts-1 ＜ indoor temperatures Tsc≤setting value at room temperature Ts+1, it is worth based on 40 DEG C, with 45 DEG C
For the heating upper limit, according to the programming rate for improving 1 DEG C for every 5 minutes, Three-way Thermostatic Valve delivery port C temperature control setting value is progressively heightened
Tc；While temperature control setting value Tc is adjusted, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump, it is ensured that in
Warm water water temperature T m is equal with Three-way Thermostatic Valve exit water temperature Tf；
S700：If indoor temperature Tsc ＞ Ts+1, it is worth based on 40 DEG C, with 35 DEG C for temperature control lower limit, according to reduction by 1 in every 5 minutes
DEG C cooling rate, progressively turn down Three-way Thermostatic Valve delivery port C temperature control setting value Tc；In the same of adjustment temperature control setting value Tc
When, the compressor shutdown water temperature setting value Tst of synchronous adjustment source pump, it is ensured that middle warm water water temperature T m and triplet constant temperature valve outlet
Water temperature T f is equal.
2. source pump alternating temperature heating temperature control method of water according to claim 1, it is characterised in that described refrigeration system
Motion flow of uniting includes following action：
The high-temperature high-pressure gas refrigerant of compressor discharge, the turbulent coil pipe of reinforcing entered by four-way valve in high temperature reservoir,
To the sensible heat of high temperature reservoir refrigerant release, the high-temperature-hot-water of 75-80 DEG C of generation in high temperature reservoir；
The spiral heat exchanger in the middle temperature volume device of refrigerant arrival after sensible heat is discharged, latent heat is discharged by spiral heat exchanger,
The temperature that water in middle temperature volume device is heated to dynamically be set by control device；
The medium temperature and medium pressure liquid refrigerant that therefrom warm volume device comes out, reaches economizer and is subcooled；Liquid refrigeration after supercooling
Agent is divided into two-way, and main heating power expansion valve is reached all the way and carries out reducing pressure by regulating flow, another road to tonifying Qi expansion valve；By main thermal expansion
The refrigerant of valve reducing pressure by regulating flow reaches finned heat exchanger, is changed into gaseous refrigerant after absorbing heat from air, then pass through four
Port valve reaches vapour liquid separator, isolates and compressor is returned to after gaseous refrigerant；By the refrigerant of tonifying Qi expansion valve return to through
Help device, absorbs the second vapor injection chamber that compressor is returned to after heat vaporization；
When the water temperature in high temperature reservoir reaches 80 DEG C, the bypass magnetic valve of high temperature reservoir is opened, is stopped to high-temperature heat-storage
The heating of device；The high-temperature high-pressure gas refrigerant of compressor discharge, by four-way valve and bypass magnetic valve, is directly sent to middle Wen Rong
Spiral heat exchanger in product device；When temperature is less than 75 DEG C, bypass magnetic valve is closed, recovers the heating to high temperature reservoir.
3. source pump alternating temperature heating temperature control method of water according to claim 1, it is characterised in that described hot water system
Motion flow of uniting includes heating flow and interior circulation heating procedure：
Heating flow：The comparative result for the temperature control setting value that Three-way Thermostatic Valve is set according to delivery port C exit water temperature with dynamic,
A-C and B-C circulation is adjusted, by the hot water of the delivery port c submittings from the delivery port f of high temperature reservoir and middle temperature volume device,
Blending transportation is into radiator；Water pump extracts the water in radiator, and the water inlet a for sending into middle temperature volume device just heat；Through
Just the water after heating flows out via delivery port b, reaches the bottom of middle temperature volume device and is shunted in the delivery port of middle temperature volume device, one
Road is sent to the water inlet B of triple valve thermostatic valve, the water outlet that another road passes through middle temperature volume device by the delivery port c of middle temperature volume device
Mouth d is sent to the water inlet e of high temperature reservoir；After being heated again by high temperature reservoir, the high-temperature-hot-water through heating again is by height
The delivery port f of warm thermal storage device is sent to the water inlet A of Three-way Thermostatic Valve, forms hot water heating circulation；
Interior circulation heating procedure：When central warm water water temperature reaches the temperature control setting value of dynamic setting, if high-temperature water water temperature does not have also
75 DEG C are reached, then opens the hot water bypass solenoid valve on radiator pipeline, Three-way Thermostatic Valve and radiator are bypassed；High-temperature heat-storage
The delivery port f of device water is extracted by hot water bypass solenoid valve by water pump, and the water inlet a for sending into middle temperature volume device just add
Heat；Water after just heating flows out to the bottom of middle temperature volume device, then pass through the delivery port d of middle temperature volume device via delivery port b
It is sent to the water inlet e of high temperature reservoir；After being heated again by high temperature reservoir, then return to from the delivery port f of high temperature reservoir
Hot water bypass solenoid valve, forms high-temperature water heating internal-circulation.
4. a kind of alternating temperature heating for being used to realize the source pump alternating temperature heating temperature control method of water described in claim 1,2 or 3
Source pump control device, it is characterised in that including including alternating temperature dynamic state of parameters setting module, compressor set control module and is adopted
Warm water temperature detects control module；The input of the alternating temperature dynamic state of parameters setting module, is connected to indoor temperature transmitter, obtains
Indoor temperature；The input of the compressor set control module, is connected to middle temperature volume device cooling-water temperature sensor, warm water water in acquisition
Temperature；The heating water temperature detector surveys the input of control module, is connected to high temperature reservoir cooling-water temperature sensor and threeway valve outlet water
Temperature sensor, obtains high-temperature water water temperature and Three-way Thermostatic Valve exit water temperature respectively；The alternating temperature dynamic state of parameters setting module it is defeated
Go out end, be connected to the input of compressor set control module, dynamic compressor shutdown water is transmitted to compressor set control module
Warm setting value；The output end of the alternating temperature dynamic state of parameters setting module, is also connected to the input that heating water temperature detector surveys control module
End, surveys control module to heating water temperature detector and transmits dynamic leaving water temperature temperature control setting value；The compressor set control module
Output end, is connected to compressor and water pump, the operating of control compressor and water pump；The heating water temperature detector surveys the defeated of control module
Go out end, be connected to bypass magnetic valve, Three-way Thermostatic Valve and hot water bypass solenoid valve；Described alternating temperature dynamic state of parameters setting module ratio
Compared with indoor temperature and setting value at room temperature, according to indoor temperature and the difference of setting value at room temperature, dynamic adjustment leaving water temperature temperature control setting
Value and compressor shutdown water temperature setting value；The middle warm water water temperature of described compressor set control module and compressor shutdown water temperature
Warm water water temperature in setting value, the runing adjustment by controlling compressor；Described heating water temperature detector surveys control module, passes through bypass
Magnetic valve and hot water bypass solenoid valve, control high-temperature water water temperature, and according to high-temperature water water temperature, middle warm water water temperature and leaving water temperature
Temperature control setting value Tc, controls A-C, B-C of Three-way Thermostatic Valve circulation, is adjusted by the mixing ratio for changing high-temperature water and middle warm water
Three-way Thermostatic Valve exit water temperature is saved, alternating temperature heating water temperature control system is realized.
5. alternating temperature water heating heat pump machine set control device according to claim 4, it is characterised in that the compressor set control
The input of molding block, is also connected to the exhaust lateral pressure sensor and exhaust gas temperature sensor of compressor, and compression is obtained respectively
The exhaust lateral pressure and delivery temperature of machine；The output end of the compressor set control module, is also connected to off-load magnetic valve and note
Liquid valve；Described compressor set control module controls the off-load of refrigerant according to the exhaust lateral pressure and delivery temperature of compressor
And fluid injection, protect the safe operation of compressor.
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| JP6636359B2 (en) * | 2016-03-02 | 2020-01-29 | 株式会社ディスコ | Constant temperature water supply device |
| CN107477652A (en) * | 2017-08-21 | 2017-12-15 | 海信（山东）空调有限公司 | Heating system and its control method |
| CN108679882B (en) * | 2018-05-18 | 2019-04-19 | 浙江国祥股份有限公司 | A kind of low-temperature air source heat pump Gas-supplying enthalpy-increasing system |
| CN111023255B (en) * | 2019-12-23 | 2021-09-07 | 江苏舒适云信息技术有限公司 | Anticipated control method for overshoot of intelligent heating temperature control valve |
| CN111023253B (en) * | 2019-12-23 | 2021-09-07 | 江苏舒适云信息技术有限公司 | Anticipated control method for overshoot of intelligent temperature control valve of household heating system |
| CN114110933B (en) * | 2021-10-29 | 2023-08-01 | 珠海格力电器股份有限公司 | Control method of air source heat pump unit system and air source heat pump unit system |
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