CN109237583A - A kind of air source heat pump central heating system and control method - Google Patents

A kind of air source heat pump central heating system and control method Download PDF

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Publication number
CN109237583A
CN109237583A CN201811180536.0A CN201811180536A CN109237583A CN 109237583 A CN109237583 A CN 109237583A CN 201811180536 A CN201811180536 A CN 201811180536A CN 109237583 A CN109237583 A CN 109237583A
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CN
China
Prior art keywords
air source
source heat
heat pump
water
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811180536.0A
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Chinese (zh)
Inventor
黄元躬
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Zhejiang Ama & Hien Technology Co Ltd
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Zhejiang Ama & Hien Technology Co Ltd
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Filing date
Publication date
Application filed by Zhejiang Ama & Hien Technology Co Ltd filed Critical Zhejiang Ama & Hien Technology Co Ltd
Priority to CN201811180536.0A priority Critical patent/CN109237583A/en
Publication of CN109237583A publication Critical patent/CN109237583A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/02Hot-water central heating systems with forced circulation, e.g. by pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24DDOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D3/00Hot-water central heating systems
    • F24D3/18Hot-water central heating systems using heat pumps

Abstract

The present invention relates to thermal technology fields, more particularly to a kind of air source heat pump central heating system, the water storage device (2) for including: the more air source heat pumps being arranged in parallel (1) and being connect with air source heat pump, the water outlet of water storage device is connected to using end (3), it is back in air source heat pump and recycles through water storage device from the cold water for using end to be discharged, and the connection quantity of air source heat pump and water storage device is adjustable.Additionally provide a kind of control method, start whole air source heat pumps, hot water is provided into water storage device, and then it supplies water to using to hold, the air source heat pump of corresponding preset quantity is turned off or on step by step to the difference of the first predetermined temperature according to the hot water temperature entered in water storage device, until the hot water temperature entered in water storage device reaches or maintain the first predetermined temperature.The present invention provides a kind of energy consumption is small, compressor long service life, and guarantee the air source heat pump central heating system and control method of heat supply.

Description

A kind of air source heat pump central heating system and control method
Technical field
The present invention relates to thermal technology fields, and in particular to a kind of air source heat pump central heating system and control method.
Background technique
Air source heat pump is that the low-temperature heat quantity in air is absorbed into come, and gasifies by fluorine medium, then passes through compressor It is pressurized heating after compression, then water supply is converted by heat exchanger and is heated, compressed high temperature heat heats water temperature with this.Due to sky The work of air supply heat pump is by media for heat exchange, therefore it does not need electrical heating elements and directly contacts with water, avoids electric hot water The danger of device electric leakage also prevents gas heater and is possible to the danger exploded and be poisoned, more effectively controls gas heater Discharge air pollution caused by exhaust gas.When air source heat pump is used for central heating, since heat demand is larger, need simultaneously Using more air source heat pumps, these air source heat pumps are in oepration at full load always, and energy consumption is larger, causes in air source heat pump Compressor service life it is shorter.
Summary of the invention
Therefore, the technical problem to be solved in the present invention is that more air-source heat when overcoming central heating in the prior art Pump works at the same time, and energy consumption is larger, the short defect of compressor service life, so that it is small to provide a kind of energy consumption, compressor service life It is long, and guarantee the air source heat pump central heating system and control method of heat supply.
In order to solve the above-mentioned technical problems, the present invention provides a kind of air source heat pump central heating systems, comprising:
The more air source heat pumps being arranged in parallel and the water storage device being connect with the air source heat pump, the water storage dress The water outlet set is connected to using end, is back to the air-source heat from the cold water being discharged using end through the water storage device It is recycled in pump, and the connection quantity of the air source heat pump and the water storage device is adjustable.
The air source heat pump central heating system is equipped with first between the air source heat pump and the water storage device Water inlet pipe and the first return pipe, the water storage device and described use are equipped with the second water inlet pipe and the second return pipe between end, more The export and import of air source heat pump described in platform is respectively communicated to first water inlet pipe and the first return pipe.
The air source heat pump central heating system further includes first pump housing on first return pipe, with And second pump housing on second water inlet pipe.
The air source heat pump central heating system is additionally provided with the first temperature detection dress on first return pipe It sets, is additionally provided with second temperature detection device on second return pipe.
The air source heat pump central heating system further includes that at least one is mounted on first water inlet pipe, first Third temperature-detecting device on return pipe, the second water inlet pipe or the second return pipe.
The present invention also provides a kind of control methods of air source heat pump central heating system, start whole air-source heat Pump, provides hot water into water storage device, and then to using end to supply water, according to the hot water temperature entered in the water storage device and the The difference of one predetermined temperature turns off or on the air source heat pump of corresponding preset quantity step by step, until entering in the water storage device Hot water temperature reach or maintain the first predetermined temperature.
The control method of the air source heat pump central heating system, turns off or on the sky of corresponding preset quantity step by step Air supply heat pump method particularly includes:
When the hot water temperature in the water storage device reaches the second predetermined temperature, the first predetermined quantity is turned off or on Air source heat pump;It continued to run for the first predetermined time, when reaching third predetermined temperature, turns off or on the sky of the second predetermined quantity Air supply heat pump continued to run for the second predetermined time, so recycled, until reaching or maintaining the first predetermined temperature.
The control method of the air source heat pump central heating system, when closing the air source heat pump according to described The opening sequence for the first time of air source heat pump is successively closed, when opening the air source heat pump according to the air source heat pump before Secondary closing sequence is successively opened.
The control method of the air source heat pump central heating system, when second temperature detection device is in the first pre- timing Between when detecting water temperature in the second return pipe lower than four predetermined temperatures in interval, second pump housing operation, until reaching described 4th predetermined temperature, it is out of service;Or when second temperature detection device detects the water temperature in the second return pipe lower than the 5th When predetermined temperature, the operation of second pump housing, until reach the 5th predetermined temperature, it is out of service.
The control method of the air source heat pump central heating system, when third temperature-detecting device detects locating pipe The water temperature on road be lower than six predetermined temperatures when, second pump housing will described in the hot water supply in the water storage device use end, first The pump housing send the cold water being discharged using end into the air source heat pump;After running the third predetermined time, locating pipeline Water temperature when continuing to reduce, air source heat pump work provides hot water into the water storage device, until water temperature reaches described 7th predetermined temperature closes the air source heat pump, first pump housing and second pump housing, wherein the described 7th predetermined temperature Degree is higher than the 6th predetermined temperature.
Technical solution of the present invention has the advantages that
1. air source heat pump central heating system provided by the invention, the more air source heat pumps being set side by side and water storage fill The connection quantity set is adjustable, can thus adjust the operation quantity of air source heat pump according to actual needs, reduces central heating The energy consumption of system, extends the service life of compressor, while guaranteeing that heat is supplied.
2. air source heat pump central heating system provided by the invention, the export and import of more air source heat pumps connect respectively The first water inlet pipe and the first return pipe are passed to, the structure of whole system is simplified, facilitates manipulation.
3. air source heat pump central heating system provided by the invention, the first temperature-detecting device, second temperature detection dress The setting with third temperature-detecting device is set, can air source heat pump be started on demand, to satisfy the use demand, is played simultaneously Antifreeze function.
4. the control method of air source heat pump central heating system provided by the invention, according to the heat entered in water storage device Coolant-temperature gage turns off or on the air source heat pump of corresponding preset quantity to the difference of the first predetermined temperature step by step, until entering water storage Hot water temperature in device reaches or maintains the first predetermined temperature, the hot water to needed for using end to provide.In this way in initial rank Section, all air source heat pumps work at the same time, and water temperature can be made quickly to increase, when reaching certain temperature, so that it may appropriate to close Some air source heat pumps to reduce the whole energy consumption of system, while guaranteeing that heat is supplied so that temperature slowly rises;Work as water temperature When decline, then the air source heat pump of respective numbers is opened step by step, to guarantee the constant of water temperature.
5. the control method of air source heat pump central heating system provided by the invention, when closing air source heat pump according to The opening sequence for the first time of air source heat pump is successively closed, suitable according to the previous closing of air source heat pump when opening air source heat pump Sequence is successively opened.Thus the runing time of all air source heat pumps can be made in a basic balance, prolonged the service life.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.
Fig. 1 is the schematic diagram of air source heat pump central heating system provided by the invention.
Description of symbols:
1- air source heat pump;2- water storage device;3- uses end;The first water inlet pipe of 4-;The first return pipe of 5-;6- Two water inlet pipes;The second return pipe of 7-;First pump housing of 51-;The first temperature-detecting device of 52-;Second pump housing of 61-;71- Two temperature-detecting devices.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments It can be combined with each other at conflict.
A kind of specific embodiment of air source heat pump central heating system as shown in Figure 1, can be used for residential quarter or does The central heating in public area is filled including the more air source heat pumps being arranged in parallel 1 and the water storage connecting with the air source heat pump 1 2 are set, water storage device 2 in the present embodiment is water tank, and the water outlet of the water storage device 2 is connected to using end 3, makes from described Be back in the air source heat pump 1 and recycled through the water storage device 2 with the cold water that end 3 is discharged, and the air source heat pump 1 with The connection quantity of the water storage device 2 is adjustable, valve can be arranged in the outlet of each air source heat pump 1, pass through valve Open the connection situation for controlling itself and water tank;Certainly, water storage device 2 and can also be with using the connection quantity of the pipeline between end 3 It adjusts according to actual needs.
The first water inlet pipe 4 and the first return pipe 5, the storage are equipped between the air source heat pump 1 and the water storage device 2 Water installations 2 and described using being equipped with the second water inlet pipe 6 and the second return pipe 7 between end 3, more air source heat pumps 1 go out Mouth and import pass through branch pipe respectively and are connected to first water inlet pipe 4 and the first return pipe 5.Valve is arranged on branch pipe, with control The connection situation of branch pipe processed and the first water inlet pipe 4 and the first return pipe 5.The top of water storage device 2 is arranged in first water inlet pipe 4, First return pipe 5, the second water inlet pipe 6 and the second return pipe 7 are arranged at the lower part of water storage device 2, facilitate the outflow of hot water.
For the ease of the delivery of water storage device 2 is conveyed again to using end 3 and the cold water that end 3 will be used to convey Into air source heat pump 1, it is additionally provided with first pump housing 51 on first return pipe 5, is additionally provided on second water inlet pipe 6 Second pump housing 61.First pump housing 51 is circulating pump, can select standby closing or standby operation according to the demand of user;Second pump housing 61 be ground warming-up, and start and stop function or as needed timing plus wise temperature start and stop function, control can be automatically adjusted according to water temperature The opening and closing of water tank carries out heat compensation.
It is additionally provided with the first temperature-detecting device 52 on first return pipe 5, is additionally provided on second return pipe 7 Second temperature detection device 71 further includes that at least one is mounted on first water inlet pipe 4, the first return pipe 5, the second water inlet pipe 6 or second return pipe 7 third temperature-detecting device 8.First temperature-detecting device 52, second temperature detection device 71 and third Temperature-detecting device is temp probe.
A kind of control method of air source heat pump central heating system, starts whole air source heat pumps 1, to water storage first Hot water is provided in device 2, and then to using end 3 to supply water, when the hot water temperature in the water storage device 2 reaches 45 DEG C, closes 2 Platform air source heat pump 1;5min is continued to run, when reaching 48 DEG C, 5 air source heat pumps 1 is closed, continues to run 3min, until reaching To or maintain 50 DEG C of the first predetermined temperature, during this period, when 1 continuous work 18 of remaining 13 air source heat pumps is small after, 7 therein can be closed, starting is in other 7 air source heat pumps of off working state herein, it is made to alternate work; When operation 30min reopens 2 air source heat pumps most begun to shut off 1 when water temperature drop is to 48 DEG C, until water temperature is again Reach or maintains 50 DEG C.Wherein, the unlatching for the first time when closing the air source heat pump 1 according to the air source heat pump 1 is suitable Sequence is successively closed, and is successively opened when opening the air source heat pump 1 according to the previous closing sequence of the air source heat pump 1, That is, 2 air source heat pumps 1 being first shut off are 2 opened at first, 5 secondly closed are later on 5, again 2 opened are 2 most begun to shut off, are achieved in first to open and first close, first close and first open, guarantee all air source heat pumps 1 as far as possible Runing time balance.
When second temperature detection device 71 detects the second return water in morning 0:00-8:00 or 18:00-24:00 in afternoon When water temperature in pipe 7 is lower than 35 DEG C, the operation of second pump housing 61, until reach 35 DEG C, it is out of service;When second temperature detection device 71 when detecting water temperature in the second return pipe 7 lower than 30 DEG C, the operation of second pump housing 61, until reach 30 DEG C, it is out of service.When When third temperature-detecting device detects the water temperature of locating pipeline lower than 5 DEG C, second pump housing 61 is by the warm in the water storage device 2 Water supply is described to use end 3, and first pump housing 51 send the cold water being discharged using end 3 to the air-source through water storage device 2 In heat pump 1;After running 10min, when the water temperature of locating pipeline continues to reduce, the air source heat pump 1 works, to the water storage Hot water is provided in device 2, until water temperature, which reaches 15 DEG C, closes the air source heat pump 1, first pump housing 51 and described second The pump housing 61.
Obviously, the above embodiments are merely examples for clarifying the description, and does not limit the embodiments.It is right For those of ordinary skill in the art, can also make on the basis of the above description it is other it is various forms of variation or It changes.There is no necessity and possibility to exhaust all the enbodiments.And it is extended from this it is obvious variation or It changes still within the protection scope of the invention.

Claims (10)

1. a kind of air source heat pump central heating system characterized by comprising
The more air source heat pumps (1) being arranged in parallel and the water storage device (2) being connect with the air source heat pump (1), it is described The water outlet of water storage device (2) is connected to using end (3), from the cold water being discharged using end (3) through the water storage device (2) It is back to circulation in the air source heat pump (1), and the connection quantity of the air source heat pump (1) and the water storage device (2) It is adjustable.
2. air source heat pump central heating system according to claim 1, which is characterized in that the air source heat pump (1) The first water inlet pipe (4) and the first return pipe (5) are equipped between the water storage device (2), the water storage device (2) makes with described With between end (3) be equipped with the second water inlet pipe (6) and the second return pipe (7), the export and import of the more air source heat pumps (1) It is respectively communicated to first water inlet pipe (4) and the first return pipe (5).
3. air source heat pump central heating system according to claim 2, which is characterized in that further include being set to described first First pump housing (51) on return pipe (5), and second pump housing (61) being set on second water inlet pipe (6).
4. air source heat pump central heating system according to claim 3, which is characterized in that in first return pipe (5) it is additionally provided with the first temperature-detecting device (52) on, is additionally provided with second temperature detection device on second return pipe (7) (71)。
5. air source heat pump central heating system according to claim 4, which is characterized in that further include at least one installation Third temperature inspection on first water inlet pipe (4), the first return pipe (5), the second water inlet pipe (6) or the second return pipe (7) Survey device.
6. a kind of control method of air source heat pump central heating system, which is characterized in that start whole air source heat pumps (1), hot water is provided into water storage device (2), and then to using end (3) to supply water, according to the heat entered in the water storage device (2) Coolant-temperature gage turns off or on the air source heat pump (1) of corresponding preset quantity to the difference of the first predetermined temperature step by step, until entering Hot water temperature in the water storage device (2) reaches or maintains the first predetermined temperature.
7. the control method of air source heat pump central heating system according to claim 6, which is characterized in that close step by step Or open the air source heat pump (1) of corresponding preset quantity method particularly includes:
When the hot water temperature in the water storage device (2) reaches the second predetermined temperature, the first predetermined quantity is turned off or on Air source heat pump (1);It continued to run for the first predetermined time, when reaching third predetermined temperature, turns off or on the second predetermined quantity Air source heat pump (1), continued to run for the second predetermined time, so recycle, until reach or maintain the first predetermined temperature.
8. the control method of air source heat pump central heating system according to claim 7, which is characterized in that closing institute It is successively closed when stating air source heat pump (1) according to the opening sequence for the first time of the air source heat pump (1), is opening the air-source It is successively opened when heat pump (1) according to the previous closing sequence of the air source heat pump (1).
9. according to the control method of the described in any item air source heat pump central heating systems of claim 6-8, feature exists In when second temperature detection device (71) detects that the water temperature in the second return pipe (7) is lower than in the first predetermined time interval When four predetermined temperatures, second pump housing (61) operation, until reach the 4th predetermined temperature, it is out of service;Or when second When temperature-detecting device (71) detects the water temperature in the second return pipe (7) lower than five predetermined temperatures, second pump housing (61) fortune Row, until reach the 5th predetermined temperature, it is out of service.
10. the control method of air source heat pump central heating system according to claim 9, which is characterized in that work as third When temperature-detecting device detects the water temperature of locating pipeline lower than six predetermined temperatures, second pump housing (61) is by the water storage device (2) end (3) are used described in the hot water supply in, first pump housing (51) send the cold water being discharged using end (3) to the sky In air supply heat pump (1);After running the third predetermined time, when the water temperature of locating pipeline continues to reduce, the air source heat pump (1) Work, to hot water is provided in the water storage device (2), until water temperature reaches the 7th predetermined temperature and closes the air source heat pump (1), first pump housing (51) and second pump housing (61), wherein it is predetermined that the 7th predetermined temperature is higher than the described 6th Temperature.
CN201811180536.0A 2018-10-10 2018-10-10 A kind of air source heat pump central heating system and control method Pending CN109237583A (en)

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CN201811180536.0A CN109237583A (en) 2018-10-10 2018-10-10 A kind of air source heat pump central heating system and control method

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Application Number Priority Date Filing Date Title
CN201811180536.0A CN109237583A (en) 2018-10-10 2018-10-10 A kind of air source heat pump central heating system and control method

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110094847A (en) * 2019-05-24 2019-08-06 珠海格力电器股份有限公司 The method and device of efficient control module unit
CN112160897A (en) * 2020-09-03 2021-01-01 广东Tcl智能暖通设备有限公司 Water pump control method and device, two-joint supply system and computer readable storage medium
CN112629022A (en) * 2020-12-21 2021-04-09 珠海格力电器股份有限公司 Multi-split water heater control method and device and multi-split water heater
CN113606638A (en) * 2021-10-11 2021-11-05 山东佐耀科技有限公司 Accurately-adjusted air source heat pump group control method and system

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CN113606638A (en) * 2021-10-11 2021-11-05 山东佐耀科技有限公司 Accurately-adjusted air source heat pump group control method and system

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