CN105115115B - A kind of control method and system of part heat recovery system - Google Patents
A kind of control method and system of part heat recovery system Download PDFInfo
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- CN105115115B CN105115115B CN201510635219.3A CN201510635219A CN105115115B CN 105115115 B CN105115115 B CN 105115115B CN 201510635219 A CN201510635219 A CN 201510635219A CN 105115115 B CN105115115 B CN 105115115B
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- heating
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- hot water
- indoor unit
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fuzzy Systems (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention discloses a kind of control method and system of part heat recovery system, in the present invention, when selecting to freeze, if detect meet heating water condition if can direct water heating, and when selecting to heat, one, which enters air-conditioning heating state, then closes hot water model, and just start to detect whether to meet heating water condition when temperature is increased to set temperature indoors, if if, then open hot water model, in other words, it is exactly in air conditioner refrigerating, such as need water heating, then start hot water model simultaneously, in air-conditioning heating, then switched over under water heating both of which in heating.For the present invention without preparing in advance, air-conditioning plug and play makes full use of each time slot for closing air-conditioning to carry out hot water preparing, and part heat recovery system is made to be run with more reasonable manner.
Description
Technical field
The present invention relates to thermal energy field more particularly to a kind of control methods and system of part heat recovery system.
Background technology
Heat recovery air conditioner hot water machine in part in the prior art（Part heat recovery system）, have same when opening air-conditioning
When hot water preparing function, since it can make full use of waste heat to carry out hot water preparing, and producing process environmental protection thus increasingly by
To concern.It is also at this time usually to need to turn on the aircondition to be heated, i.e., heat needs when being more with hot water when winter
Ask more, but according to existing control method, when air-conditioning heating needs to stop water heating；It will stop air-conditioning when water heating
Heating, this can cause very big puzzlement to user in use, often can not meet user's heat water and use heat demand.
Therefore, the existing technology needs to be improved and developed.
Invention content
In view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of controlling parties of part heat recovery system
Method and system, it is intended to solve the problems, such as existing heat recovery system cannot be satisfied user's heat water and with heat.
Technical scheme is as follows：
A kind of control method of part heat recovery system, wherein including step：
A, in air-conditioning mode, when selecting to freeze, start indoor unit, outdoor fan and outdoor press, enter sky
Cold state is modulated, meets heating water condition if being detected in process of refrigerastion, opens hot water model；
B, in air-conditioning mode, when selecting to heat, start indoor unit, outdoor fan and outdoor press, enter sky
Modulation Warm status simultaneously closes hot water model, when indoor temperature is raised to set temperature, meets heating water condition if detecting,
Outdoor press open state is kept, hot water model is opened.
The control method of the part heat recovery system, wherein further include：If default setting current season belongs to winter
When, then it is defaulted as hot water model.
The control method of the part heat recovery system, wherein if current season belongs to winter, heated opening
When, then hot water model is closed, when closing heating, restarts hot water model.
The control method of the part heat recovery system, wherein in the step A, if indoor temperature drops to setting temperature
Degree then stops indoor unit, outdoor fan and outdoor press.
The control method of the part heat recovery system, wherein in the step B, water heating is not met if detecting
Condition then stops indoor unit, outdoor fan and outdoor press.
The control method of the part heat recovery system, wherein in the step B, if indoor temperature, which drops to, needs weight
When new startup indoor unit, then indoor unit starts, and exits hot water model.
The control method of the part heat recovery system, wherein further include：
When detecting that, if air-conditioning is in open state at this time, automatic forced is transferred to system when meeting anti-freeze entry condition
Hot-water mode, until meeting anti-freeze exit criteria.
A kind of control system of part heat recovery system, wherein including：
First water heating module, in air-conditioning mode, when selecting to freeze, start indoor unit, outdoor fan and
Outdoor press enters air conditioner refrigerating state, meets heating water condition if being detected in process of refrigerastion, opens water heating mould
Formula；
Second water heating module, in air-conditioning mode, when selecting to heat, start indoor unit, outdoor fan and
Outdoor press enters air-conditioning heating state and closes hot water model, when indoor temperature is raised to set temperature, if detecting
Meet heating water condition, then keep outdoor press open state, opens hot water model.
The control system of the part heat recovery system, wherein further include：
If presetting module is defaulted as hot water model belong to winter for default setting current season.
The control system of the part heat recovery system, wherein if current season belongs to winter, heated opening
When, then hot water model is closed, when closing heating, restarts hot water model.
Advantageous effect：In the present invention, select freeze when, if detect meet heating water condition if can directly heat
Water, and when selecting to heat, one, which enters air-conditioning heating state, then closes hot water model, and temperature is increased to setting indoors
Just start to detect whether to meet heating water condition when temperature, if if, then hot water model is opened, in other words, as
When air conditioner refrigerating, water heating is such as needed, then starts hot water model simultaneously, in air-conditioning heating, then in heating and water heating two
It is switched under kind pattern.Without preparing in advance, air-conditioning plug and play makes full use of and closes between each time of air-conditioning the present invention
Gap carrys out hot water preparing, and part heat recovery system is made to be run with more reasonable manner.
Description of the drawings
Fig. 1 is the structural schematic diagram of part heat recovery system in the present invention.
Fig. 2 is a kind of flow chart of the control method preferred embodiment of part heat recovery system of the present invention.
Fig. 3 is a kind of structure diagram of the control system preferred embodiment of part heat recovery system of the present invention.
Specific implementation mode
The present invention provides a kind of control method and system of part heat recovery system, to make the purpose of the present invention, technical side
Case and effect are clearer, clear, and the present invention is described in more detail below.It should be appreciated that specific reality described herein
It applies example to be only used to explain the present invention, be not intended to limit the present invention.
Part heat recovery system in the present invention, systematic schematic diagram are as shown in Figure 1.The part heat recovery system have 1,
Air conditioner refrigerating；2, air-conditioning heating；3, three functions of water heating.It includes mainly：（Air-conditioning）Indoor unit 100, outdoor fan 200,
Outdoor press 300, double-tube heat exchanger（Water-refrigerant heat exchanger）500, it is swollen that indoor unit 100 with outdoor fan 200 connect an electronics
Swollen valve 400 connects a four-way valve between double-tube heat exchanger 500, outdoor fan 200, indoor unit 100, outdoor press 300 4
600, a water pump 700, water inlet pipe of the connection of the water pump 700 one for water inlet, described sleeve pipe are connected on double-tube heat exchanger 500
Heat exchanger 500 be also connected with one for water outlet outlet pipe.The structure of the part heat recovery system is consistent with existing equipment, and this hair
Bright improvements are mainly reflected in control method, and with reference to control method, the present invention is described in detail.
A kind of control method of part heat recovery system of the present invention, as shown in Figure 2 comprising step：
S1, in air-conditioning mode starts indoor unit, outdoor fan and outdoor press, enters sky when selecting to freeze
Cold state is modulated, meets heating water condition if being detected in process of refrigerastion, opens hot water model；
S2, in air-conditioning mode starts indoor unit, outdoor fan and outdoor press, enters sky when selecting to heat
Modulation Warm status simultaneously closes hot water model, when indoor temperature is raised to set temperature, meets heating water condition if detecting,
Outdoor press open state is kept, hot water model is opened.
In step sl, in air-conditioning mode, when selecting to freeze, if meeting indoor unit entry condition, indoor unit opens
Dynamic, then outdoor fan starts, and outdoor press is restarted, and system enters air conditioner refrigerating state.During this period（That is process of refrigerastion
In）If meeting heating water condition, hot water model is opened.And when indoor temperature drops to set temperature, then stop outdoor pressure
Machine, outdoor fan, indoor unit and water pump.When this step is exactly air conditioner refrigerating, if necessary to water heating, just start water heating simultaneously
Pattern.So-called hot water model refers to just when meeting heating water condition, and opening water pump makes it keep it turned on, and does not meet
Water condition is heated, then is not turned on water pump.
In step s 2, in air-conditioning mode, when selecting to heat, if meeting indoor unit entry condition, indoor unit opens
Dynamic, then outdoor fan starts, and outdoor press is restarted, and system enters air-conditioning heating state.During this period, hot water model is closed
It closes.When indoor temperature is raised to set temperature, detect whether to meet heating water condition, when meeting heating water condition, outdoor pressure
Machine is not shut down, and hot water model is opened, and then indoor unit is shut down；When not meeting heating water condition, stop outdoor press, outdoor wind
Machine, indoor fan and water pump.When indoor temperature, which drops to, to be needed to restart indoor unit, indoor unit launches into normal operation shape
State is then log out hot water model.When air-conditioning selects to heat, existing equipment is to ensure indoor temperature by stopping outdoor press
No more than specified value, also not water heating during this, control method of the invention be in the case that outdoor press ceaselessly, to protect
Card constantly switches between air-conditioning heating and water heating, so-called start and stop switching between switching, that is, indoor unit and water pump.
In other words, the handoff procedure between heating and hot water model is as follows：When indoor temperature reaches set temperature,
Indoor unit stops, and outdoor press does not stop, and system is transferred to hot water model automatically；Air conditioning function condition is opened once reaching（That is room
Interior temperature drops to set temperature or less）, hot water model stop, being transferred to heating mode；When closing air-conditioning heating function, system
Automatically it is transferred to hot water model.
Further, control method further includes：If default setting current season belongs to winter, it is defaulted as water heating mould
Formula.It is even in winter, then system default operating mode is water heating, when opening air-conditioning heating function, just exits water heating
Pattern.
If current season belongs to winter, when opening heating, then hot water model is closed, when closing heating, again
Start hot water model.
The present invention can also add water route anti-freeze function, when detect meet anti-freeze entry condition when, if this space-time
It mediates in open state, then system automatic forced is transferred to hot water model, and until meeting anti-freeze exit criteria, system is automatic again
It is transferred to air conditioning mode.
The present invention enables part heat recovery system to be run with more reasonable manner, has both reached refrigeration and the heating of air-conditioning
Function, and the use condition of hot water can be adapted to completely, hot water is usually to need to be ready in advance, when needing to use
It just uses, so being separated and between the two not related with the time of water and heating water（The water tank caused by with water is not considered
Water temperature drop and the demand for heating water）；The air-conditioning of the present invention need not can be in advance ready to plug and play.The mistake of water heating
Journey is that each time slot for closing air-conditioning is made full use of to realize.Compared with air-conditioning water heater system currently on the market, this hair
Bright control method is more reasonable, more fully complies with the use habit of people.
Based on the above method, the present invention also provides a kind of control system preferred embodiment of part heat recovery system, such as Fig. 3
It is shown comprising：
First water heating module 10, in air-conditioning mode, when selecting to freeze, start indoor unit, outdoor fan with
And outdoor press, air conditioner refrigerating state is entered, meets heating water condition if being detected in process of refrigerastion, opens water heating
Pattern；
Second water heating module 20, in air-conditioning mode, when selecting to heat, start indoor unit, outdoor fan with
And outdoor press, it enters air-conditioning heating state and closes hot water model, when indoor temperature is raised to set temperature, if detection
To heating water condition is met, then outdoor press open state is kept, opens hot water model.
Further, system further includes：
If presetting module is defaulted as hot water model belong to winter for default setting current season.
Further, if current season belongs to winter, when opening heating, then hot water model is closed, is heated closing
When, restart hot water model.
In conclusion in the present invention, when selecting to freeze, if detect meet heating water condition if can directly heat
Water, and when selecting to heat, one, which enters air-conditioning heating state, then closes hot water model, and temperature is increased to setting indoors
Just start to detect whether to meet heating water condition when temperature, if if, then hot water model is opened, in other words, as
When air conditioner refrigerating, water heating is such as needed, then starts hot water model simultaneously, in air-conditioning heating, then in heating and water heating two
It is switched under kind pattern.Without preparing in advance, air-conditioning plug and play makes full use of and closes between each time of air-conditioning the present invention
Gap carrys out hot water preparing.
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can
With improvement or transformation based on the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect range.
Claims (8)
1. a kind of control method of part heat recovery system, which is characterized in that including step：
A, in air-conditioning mode, when selecting to freeze, start indoor unit, outdoor fan and outdoor press, enter air-conditioning system
Cold state meets heating water condition if being detected in process of refrigerastion, opens hot water model；
B, in air-conditioning mode, when selecting to heat, start indoor unit, outdoor fan and outdoor press, enter air-conditioning system
Warm status simultaneously closes hot water model, when indoor temperature is raised to set temperature, meets heating water condition if detecting, keeps
Outdoor press open state opens hot water model；
The step B is specifically included：It when indoor temperature is raised to set temperature, detects whether to meet heating water condition, when meeting
When heating water condition, outdoor press is not shut down, and hot water model is opened, and then indoor unit is shut down；When not meeting heating water condition
When, stop outdoor press, outdoor fan, indoor fan and water pump, it is indoor when indoor temperature, which drops to, to be needed to restart indoor unit
Machine launches into normal operating condition, is then log out hot water model；
In air-conditioning mode, when selection refrigeration or heating, if meeting indoor unit entry condition, indoor unit starts, then room
Outer wind turbine starts, and outdoor press is restarted；
Further include：If default setting current season belongs to winter, it is defaulted as hot water model；
The part heat recovery system includes：Indoor unit, outdoor fan, outdoor press, double-tube heat exchanger, indoor unit and outdoor wind
Machine connects an electric expansion valve, and a four-way valve is connected between double-tube heat exchanger, outdoor fan, indoor unit, outdoor press,
A water pump, water inlet pipe of the water pump connection one for water inlet are connected on double-tube heat exchanger, described sleeve pipe heat exchanger is also connected with one
Outlet pipe for water outlet；
The hot water model refers to when meeting heating water condition, opening water pump and it being made to keep it turned on, do not meet heating
Water condition is then not turned on water pump.
2. the control method of part heat recovery system according to claim 1, which is characterized in that if current season belongs to the winter
Ji Shi then closes hot water model when opening heating, when closing heating, restarts hot water model.
3. the control method of part heat recovery system according to claim 1, which is characterized in that in the step A, if room
Interior temperature drops to set temperature, then stops indoor unit, outdoor fan and outdoor press.
4. the control method of part heat recovery system according to claim 1, which is characterized in that in the step B, if inspection
It measures and does not meet heating water condition, then stop indoor unit, outdoor fan and outdoor press.
5. the control method of part heat recovery system according to claim 1, which is characterized in that in the step B, if room
Interior temperature drops to when needing to restart indoor unit, then indoor unit starts, and exits hot water model.
6. the control method of part heat recovery system according to claim 1, which is characterized in that further include：
When detecting that, if air-conditioning is in open state at this time, automatic forced is transferred to water heating when meeting anti-freeze entry condition
Pattern, until meeting anti-freeze exit criteria.
7. a kind of control system of part heat recovery system, which is characterized in that including：
First water heating module, in air-conditioning mode, when selecting to freeze, starting indoor unit, outdoor fan and outdoor
Press enters air conditioner refrigerating state, meets heating water condition if being detected in process of refrigerastion, opens hot water model；
Second water heating module, in air-conditioning mode, when selecting to heat, starting indoor unit, outdoor fan and outdoor
Press enters air-conditioning heating state and closes hot water model, when indoor temperature is raised to set temperature, meets if detecting
Water condition is heated, then keeps outdoor press open state, opens hot water model；
The second water heating module：It when indoor temperature is raised to set temperature, detects whether to meet heating water condition, when meeting
When heating water condition, outdoor press is not shut down, and hot water model is opened, and then indoor unit is shut down；When not meeting heating water condition
When, stop outdoor press, outdoor fan, indoor fan and water pump, it is indoor when indoor temperature, which drops to, to be needed to restart indoor unit
Machine launches into normal operating condition, is then log out hot water model；
In air-conditioning mode, when selection refrigeration or heating, if meeting indoor unit entry condition, indoor unit starts, then room
Outer wind turbine starts, and outdoor press is restarted；
Further include：
If presetting module is defaulted as hot water model belong to winter for default setting current season；
The part heat recovery system includes：Indoor unit, outdoor fan, outdoor press, double-tube heat exchanger, indoor unit and outdoor wind
Machine connects an electric expansion valve, and a four-way valve is connected between double-tube heat exchanger, outdoor fan, indoor unit, outdoor press,
A water pump, water inlet pipe of the water pump connection one for water inlet are connected on double-tube heat exchanger, described sleeve pipe heat exchanger is also connected with one
Outlet pipe for water outlet；
The hot water model refers to when meeting heating water condition, opening water pump and it being made to keep it turned on, do not meet heating
Water condition is then not turned on water pump.
8. the control system of part heat recovery system according to claim 7, which is characterized in that if current season belongs to the winter
Ji Shi then closes hot water model when opening heating, when closing heating, restarts hot water model.
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| CN201510635219.3A CN105115115B (en) | 2015-09-30 | 2015-09-30 | A kind of control method and system of part heat recovery system |
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| CN201510635219.3A CN105115115B (en) | 2015-09-30 | 2015-09-30 | A kind of control method and system of part heat recovery system |
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| CN105115115B true CN105115115B (en) | 2018-08-14 |
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| CN107192130B (en) * | 2017-06-12 | 2019-12-31 | 广东美的暖通设备有限公司 | Water heater and control method thereof |
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| CN201954838U (en) * | 2011-04-06 | 2011-08-31 | Tcl空调器(中山)有限公司 | Air-cooling cold and hot water module unit with heat recovery function |
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| CN104807141A (en) * | 2015-04-28 | 2015-07-29 | 广东美的暖通设备有限公司 | Multi-split air conditioner control method and system thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3901624B2 (en) * | 2002-09-30 | 2007-04-04 | 株式会社長府製作所 | Heating operation method of air conditioning system |
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2015
- 2015-09-30 CN CN201510635219.3A patent/CN105115115B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201954838U (en) * | 2011-04-06 | 2011-08-31 | Tcl空调器(中山)有限公司 | Air-cooling cold and hot water module unit with heat recovery function |
| CN202221183U (en) * | 2011-09-01 | 2012-05-16 | 周玉涛 | Heat recovery type air-cooled water chiller-heater unit |
| CN102679482A (en) * | 2012-05-25 | 2012-09-19 | 宁波奥克斯空调有限公司 | Heat recovery multiplex system based on variable-frequency air conditioner and control method thereof |
| CN202692532U (en) * | 2012-08-08 | 2013-01-23 | 珠海格力电器股份有限公司 | Multifunctional air conditioning system |
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| CN105115115A (en) | 2015-12-02 |
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