CN105737328B - The control method of air-conditioner hose system, air conditioner and air-conditioner hose system - Google Patents
The control method of air-conditioner hose system, air conditioner and air-conditioner hose system Download PDFInfo
- Publication number
- CN105737328B CN105737328B CN201610058438.4A CN201610058438A CN105737328B CN 105737328 B CN105737328 B CN 105737328B CN 201610058438 A CN201610058438 A CN 201610058438A CN 105737328 B CN105737328 B CN 105737328B
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- Prior art keywords
- air
- radiator
- heat pump
- hose system
- pump unit
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Classifications
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention provides the control method of a kind of air-conditioner hose system, air conditioner and air-conditioner hose system, air-conditioner hose systems, comprising: heat pump unit has defrost refrigeration mode and heating mode；Radiator, radiator are connected with heat pump unit and form circulation line；Heating part is connected so that heat pump unit continues when being in defrost refrigeration mode to radiator heat supply with radiator.Due to being provided with heating part on circulation line, when so that heat pump unit being in defrost refrigeration mode, air-conditioner hose system, which still is able to provide enough heats, carries out continuation heat supply to radiator.When effectively avoiding heat pump unit and be in the defrost refrigeration mode period, the problem of cannot providing heat to the radiator at line end in time and lead to water temperature drop.
Description
Technical field
The present invention relates to air conditioner technical fields, in particular to a kind of air-conditioner hose system, air conditioner and air-conditioning
The control method of device pipe-line system.
Background technique
With the development of the social economy, people constantly pursue the living standard of high-quality.But it is in the prior art air-cooled
There is also gaps for heat pump air conditioner and the modern high-quality smart home advocated.
Traditional air-cooling heat pump air conditioner is to radiator heating, to after a certain period of time, air-cooling heat pump air conditioner just needs being switched to
White refrigeration mode carries out defrost to outdoor fin.Rapid drawdown can occur for the water temperature using water of pipe-line system end at this time, make to have leisure
The comfort level of device is adjusted to be greatly reduced.
Summary of the invention
The main purpose of the present invention is to provide the controls of a kind of air-conditioner hose system, air conditioner and air-conditioner hose system
Method processed, line end water temperature rapid drawdown when solving the problem of heat pump unit progress defrost in the prior art.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of air-conditioner hose system, comprising:
Heat pump unit has defrost refrigeration mode and heating mode；Radiator, radiator are connected with heat pump unit and form circulation pipe
Road；Heating part is connected so that heat pump unit continues when being in defrost refrigeration mode to radiator heat supply with radiator.
Further, the water inlet end of heating part is connected with the water return pipeline of heat pump unit, the water outlet of heating part and heat
The outlet pipeline of pump assembly is connected.
Further, air-conditioner hose system further include: the first water tank portion has the first inlet pipeline and the first outlet pipe
Road, the first inlet pipeline are connected with water return pipeline, and the first outlet pipeline is connected with outlet pipeline.
Further, air-conditioner hose system further include: the first valve is set to the first inlet pipeline and water return pipeline phase
Connectivity part；Second valve is set to the first outlet pipeline and is connected with outlet pipeline place.
Further, the first valve and/or the second valve are electric T-shaped valve.
Further, heating part has the second inlet pipeline and the second outlet pipeline, the second inlet pipeline and water return pipeline
It is connected, the second outlet pipeline is connected with outlet pipeline.
Further, air-conditioner hose system further include: third valve is set to the second inlet pipeline and water return pipeline phase
Connectivity part；4th valve is set to the second outlet pipeline and is connected with outlet pipeline place.
Further, third valve and/or the 4th valve are electric T-shaped valve.
Further, heating part includes the second water tank portion and heater, and heater is set in the second water tank portion, the second water
Case portion is arranged along the downstream of the water discharging direction of heat pump unit close to radiator.
Further, air-conditioner hose system further include: water pump, the water outlet being set between the second water tank portion and radiator
On pipeline.
According to another aspect of the present invention, a kind of air conditioner, including air-conditioner hose system, air-conditioner hose system are provided
System is above-mentioned air-conditioner hose system.
In accordance with a further aspect of the present invention, a kind of control method of air-conditioner hose system, including air conditioner pipe are provided
Road system, air-conditioner hose system are above-mentioned air-conditioner hose system, and control method includes when heat pump unit is in defrost system
When cold mode, heating part carries out heat supply to radiator.
Further, when heat pump unit is in defrost refrigeration mode, heat pump unit is made to be connected simultaneously with the first water tank portion
It is mutually disconnected with radiator, heating part carries out heat supply to radiator.
Further, after heat pump unit completes defrost refrigeration mode, heat pump unit switchs to heating mode and to the first water
Case portion is heated, and when the temperature in the first water tank portion is increased to preset temperature, control heat pump unit is at shutdown status.
Further, when the temperature of heating part is reduced to preset temperature, heat pump unit is made to be connected with radiator, simultaneously
Start heat pump unit so that it is to radiator heat supply.
Further, when heat pump unit is connected with radiator, the heater in heating part is opened so that the second water tank
Water temperature in portion is increased to preset temperature.
It applies the technical scheme of the present invention, provides a kind of air-conditioner hose system, which includes heat pump unit, heat dissipation
Device and heating part.Wherein, radiator is connected with heat pump unit by pipeline and forms circulation line.Heating part and radiator phase
Connection is so that heat pump unit continues when being in defrost refrigeration mode to radiator heat supply.Due to being provided with heat supply on circulation line
Portion, when so that heat pump unit being in defrost refrigeration mode, air-conditioner hose system still is able to provide enough heats to radiator
Carry out continuation heat supply.When effectively avoiding heat pump unit and be in the defrost refrigeration mode period, cannot be to line end at
The problem of radiator provides heat in time and leads to water temperature drop.
Detailed description of the invention
The accompanying drawings constituting a part of this application is used to provide further understanding of the present invention, and of the invention shows
Examples and descriptions thereof are used to explain the present invention for meaning property, does not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 shows the structural schematic diagram of the embodiment of air-conditioner hose system according to the present invention.
Wherein, the above drawings include the following reference numerals:
10, heat pump unit；20, radiator；30, heating part；31, the second inlet pipeline；32, the second outlet pipeline；41, it returns
Water lines；42, outlet pipeline；50, the first water tank portion；51, the first inlet pipeline；52, the first outlet pipeline；61, the first valve；
62, the second valve；63, third valve；64, the 4th valve；70, water pump.
Specific embodiment
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figure 1, according to one embodiment of present invention, providing a kind of air-conditioner hose system, which includes
Heat pump unit 10, radiator 20 and heating part 30.Wherein, radiator 20 is connected and is formed with heat pump unit 10 by pipeline and followed
Endless tube road.Heating part 30 is connected with radiator 20 so that heat pump unit 10 continues when being in defrost refrigeration mode to radiator 20
Heat supply.
In the present embodiment, due to being provided with heating part 30 on circulation line, so that heat pump unit 10 is in defrost system
When cold mode, air-conditioner hose system, which still is able to provide enough heats, carries out continuation heat supply to radiator 20.Effectively avoid
When heat pump unit was in the defrost refrigeration mode period, heat cannot be provided in time to the radiator at line end and cause
The problem of water temperature drop.Using the technical solution of the present embodiment, end uses side water temperature not when effectively reaching heat pump air conditioner defrost
The purpose of rapid drawdown, fluctuation greatly improves the comfort of air conditioner heat-production heating.
Wherein, the water inlet end of heating part 30 is connected with the water return pipeline 41 of heat pump unit 10, the water outlet of heating part 30
It is connected with the outlet pipeline 42 of heat pump unit 10.As shown in Figure 1, because heat pump unit 10 passes through water return pipeline 41 and outlet pipe
Road 42 forms the circulation loop of closure with the radiator 20 for being set to line end, and heating part 30 is set to water return pipeline 41
It is connected on the loop checking installation to be formed with outlet pipeline 42, so that heating part 30 can also form the circulation of closure with radiator 20
Circuit, to realize that heating part 30 individually carries out heat supply to radiator 20.
As shown in Figure 1, air-conditioner hose system further includes the first water tank portion 50.First water tank portion 50 has the first water inlet pipe
Road 51 and the first outlet pipeline 52, the first inlet pipeline 51 are connected with water return pipeline 41, the first outlet pipeline 52 and outlet pipe
Road 42 is connected.It is provided in this way and forms individual closed loop conducive to heat pump unit 10 and the first water tank portion 50, thus
Defrost refrigeration mode is carried out in the closed circuit without causing the problem of water temperature reduces in other pipelines.Effectively raise sky
Adjust device pipe-line system for thermal efficiency.
Air-conditioner hose system further includes the first valve 61 and the second valve 62.First valve 61 is set to the first water inlet pipe
Road 51 is connected place with water return pipeline 41.Second valve 62 is set to the first outlet pipeline 52 and is connected with outlet pipeline 42 place.
Setting can switch over the connecting pipeline between heat pump unit 10 and each component by valve in this way, to change pipe
Operating mode between road and pipeline realizes effective control to the system.Further, the first valve 61 and the second valve 62
Electric T-shaped valve can be set into.The intelligent control to each valve may be implemented in this way, effectively improve the sensitivity of the system.
In the present embodiment, heating part 30 has the second inlet pipeline 31 and the second outlet pipeline 32.Second inlet pipeline
31 are connected with water return pipeline 41, and the second outlet pipeline 32 is connected with outlet pipeline 42.Wherein, third valve 63, is set to
Second inlet pipeline 31 is connected place with water return pipeline 41.4th valve 64 is set to the second outlet pipeline 32 and outlet pipeline 42
Be connected place.Pipeline between heating part 30 and radiator 20 is controlled by third valve 63 and the 4th valve 64, thus
It effectively realizes when heat pump unit 10 is in defrost refrigeration mode, heating part 30 can also continue to supply radiator 20
Heat.Further, electric T-shaped valve can be set into third valve 63 and the 4th valve 64.It is may be implemented in this way to each valve
Intelligent control, effectively improve the sensitivity of the system.
In the present embodiment, heating part 30 includes the second water tank portion and heater, and heater is set in the second water tank portion,
Second water tank portion is arranged along the downstream of the water discharging direction of heat pump unit 10 close to radiator 20.By the second water tank portion close to radiator
20 settings, have shortened the heat transfer distances between the second water tank portion and radiator 20, have effectively increased heating part 30 to radiator 20
The efficiency of heat supply.
Preferably, water pump 70 is additionally provided on the outlet pipeline 42 between the second water tank portion and radiator 20.Water pump 70 will
Heat in radiator 20 is delivered to radiator 20, i.e. water pump 70 provides the power of heat conveying for 30 heat supply of heating part.
Air-conditioner hose system in above-described embodiment may be also used in air-conditioning technical field, i.e. the present embodiment additionally provides
A kind of air conditioner.The air conditioner further includes air-conditioner hose system, and air-conditioner hose system is the air conditioner pipe of above-described embodiment
Road system.The air conditioner, which can reach in the air conditioner defrost end, will not occur rapid drawdown, fluctuation using the water temperature of side, greatly
The comfort for improving air conditioner heat-production heating.
In the present embodiment, the control method of the air conditioning pipe system is additionally provided.As shown in Figure 1, this method includes working as
When heat pump unit 10 is in defrost refrigeration mode, heating part 30 carries out heat supply to radiator 20.Wherein, when heat pump unit 10 issues
When defrost pattern order, the first valve 61, the second valve 62 are switched to the flow path of connection heat pump unit 10 and the first water tank portion 50,
Heat pump unit 10 and the first water tank portion 50 form an enclosed water route at this time, and 10 program of heat pump unit issues action command and is switched to
Defrost pattern, heat pump unit 10 start to carry out defrost movement, carry out normal defrost to outdoor unit finned tube.At this point, third valve
63, the 4th valve 64 is switched to the flow path of connection heating part 30 and radiator 20, and heating part 30 and radiator 20 form one at this time
A enclosed water route, i.e., heat pump unit 10 is connected with the first water tank portion 50 and disconnects with 20 phase of radiator at this time, and heating part 30 is right
Radiator 20 carries out heat supply.Wherein, the water pump 70 being set on the outlet pipeline of heating part 30 and radiator 20 is heating part 30
It conveys heat and power is provided, the radiator positioned at line end is enabled normally to obtain heat and heat.
After heat pump unit 10 completes defrost refrigeration mode, heat pump unit 10 switchs to heating mode and to the first water tank portion 50
It is heated, when the temperature in the first water tank portion 50 is increased to preset temperature, heat pump is controlled by the controller inside air conditioner
Unit 10 is at shutdown status.Heating part 30 continues to carry out heat supply to the end pipeline of radiator 20 at this time.Wherein, heat supply
Portion 30 include the second water tank portion and heater, heater be set to the second water tank portion in and be used for the water in the second water tank portion into
Row heating.When the second water tank portion continues to exterior line heat supply, the water temperature of the inside in the second water tank portion can be gradually decreased, and work as confession
When the temperature in hot portion 30 is reduced to air-conditioning internal processes preset temperature, water pump 70 stops working at this time, the stopping pair of the second water tank portion
20 heat supply of radiator.At this point, switching the first valve 61, the second valve 62, third valve 63, the 4th valve 64 respectively so that heat pump
Unit 10 is connected with radiator 20, while starting heat pump unit 10 and in heating mode to carry out heat supply to radiator 20.
When heat pump unit 10 is connected with radiator 20, the heater in heating part 30 is opened so that water temperature liter in the second water tank portion
Up to preset temperature.
The system by heat pump unit 10 since defrost refrigeration mode is completed to heating mode simultaneously again to radiator 20 into
Row heat supply is as a cycle period.When system circulation to next defrost period, that is, defrost refrigeration mode, by above-mentioned to sky
Device pipe-line system is adjusted to be controlled.Rapid drawdown, fluctuation will not still occur using side water temperature for end when to realize heat pump air conditioner defrost,
Effectively raise the comfort of air conditioner heat-production heating.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (15)
1. a kind of air-conditioner hose system characterized by comprising
Heat pump unit (10) has defrost refrigeration mode and heating mode；
Radiator (20), the radiator (20) are connected with the heat pump unit (10) and form circulation line；
Heating part (30), be connected with the radiator (20) so that when the heat pump unit (10) is in defrost refrigeration mode after
Continue to the radiator (20) heat supply；
The water inlet end of the heating part (30) is connected with the water return pipeline (41) of the heat pump unit (10), the heating part
(30) water outlet is connected with the outlet pipeline (42) of the heat pump unit (10).
2. air-conditioner hose system according to claim 1, which is characterized in that the air-conditioner hose system further include:
First water tank portion (50) has the first inlet pipeline (51) and the first outlet pipeline (52), first inlet pipeline
(51) it is connected with the water return pipeline (41), first outlet pipeline (52) is connected with the outlet pipeline (42).
3. air-conditioner hose system according to claim 2, which is characterized in that the air-conditioner hose system further include:
First valve (61) is set to first inlet pipeline (51) and is connected with the water return pipeline (41) place；
Second valve (62) is set to first outlet pipeline (52) and is connected with the outlet pipeline (42) place.
4. air-conditioner hose system according to claim 3, which is characterized in that first valve (61) and/or described
Second valve (62) is electric T-shaped valve.
5. air-conditioner hose system according to claim 1, which is characterized in that the heating part (30) has the second water inlet
Pipeline (31) and the second outlet pipeline (32), second inlet pipeline (31) is connected with the water return pipeline (41), described
Second outlet pipeline (32) is connected with the outlet pipeline (42).
6. air-conditioner hose system according to claim 5, which is characterized in that the air-conditioner hose system further include:
Third valve (63) is set to second inlet pipeline (31) and is connected with the water return pipeline (41) place；
4th valve (64) is set to second outlet pipeline (32) and is connected with the outlet pipeline (42) place.
7. air-conditioner hose system according to claim 6, which is characterized in that the third valve (63) and/or described
4th valve (64) is electric T-shaped valve.
8. air-conditioner hose system according to claim 5, which is characterized in that the heating part (30) includes the second water tank
Portion and heater, the heater are set in second water tank portion, and second water tank portion is along the heat pump unit (10)
Water discharging direction downstream close to the radiator (20) be arranged.
9. air-conditioner hose system according to claim 8, which is characterized in that the air-conditioner hose system further include:
Water pump (70) is set on the outlet pipeline (42) between second water tank portion and the radiator (20).
10. a kind of air conditioner, including air-conditioner hose system, which is characterized in that the air-conditioner hose system is claim 1
To air-conditioner hose system described in any one of 9.
11. a kind of control method of air-conditioner hose system, including air-conditioner hose system, which is characterized in that the air conditioner
Pipe-line system air-conditioner hose system as claimed in any one of claims 1 to 9, the control method include working as the heat pump
When unit (10) is in defrost refrigeration mode, the heating part (30) carries out heat supply to the radiator (20).
12. control method according to claim 11, which is characterized in that when the heat pump unit (10) is in defrost refrigeration
When mode, the heat pump unit (10) is made to be connected with the first water tank portion (50) and mutually disconnect with the radiator (20), it is described
Heating part (30) carries out heat supply to the radiator (20).
13. control method according to claim 12, which is characterized in that when the heat pump unit (10) complete the defrost
After refrigeration mode, the heat pump unit (10) switchs to heating mode and heats to the first water tank portion (50), when described first
When the temperature in water tank portion (50) is increased to preset temperature, controls the heat pump unit (10) and be at shutdown status.
14. control method according to claim 12, which is characterized in that when the temperature of the heating part (30) be reduced to it is pre-
If when temperature, the heat pump unit (10) is made to be connected with the radiator (20), at the same start the heat pump unit (10) with
Make it to the radiator (20) heat supply.
15. control method according to claim 14, which is characterized in that when the heat pump unit (10) and the radiator
(20) when being connected, the heater in the heating part (30) is opened so that the water temperature in the second water tank portion is increased to default temperature
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058438.4A CN105737328B (en) | 2016-01-27 | 2016-01-27 | The control method of air-conditioner hose system, air conditioner and air-conditioner hose system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610058438.4A CN105737328B (en) | 2016-01-27 | 2016-01-27 | The control method of air-conditioner hose system, air conditioner and air-conditioner hose system |
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| Publication Number | Publication Date |
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| CN105737328A CN105737328A (en) | 2016-07-06 |
| CN105737328B true CN105737328B (en) | 2019-02-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610058438.4A Active CN105737328B (en) | 2016-01-27 | 2016-01-27 | The control method of air-conditioner hose system, air conditioner and air-conditioner hose system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113944951A (en) * | 2021-10-22 | 2022-01-18 | 中铁第四勘察设计院集团有限公司 | Modular water heating device and control method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188217A (en) * | 1997-01-16 | 1998-07-22 | 楼世竹 | Forward cycle heat pump |
| KR20090085373A (en) * | 2008-02-04 | 2009-08-07 | 엘지전자 주식회사 | Heat pump heating apparatus and control method of the same |
| CN102287978A (en) * | 2011-07-23 | 2011-12-21 | 中原工学院 | Composite heat-source defrosting system for air-source heat pump |
| CN203052802U (en) * | 2012-12-25 | 2013-07-10 | 福州斯狄渢电热水器有限公司 | Air-energy heat-pump heat supply heating system with built-in water tank |
| CN204006253U (en) * | 2014-07-24 | 2014-12-10 | 康特能源科技(苏州)有限公司 | Air source heat pump floor board heating structure |
| CN205536727U (en) * | 2016-01-27 | 2016-08-31 | 珠海格力电器股份有限公司 | Air conditioner pipe -line system and have its air conditioner |
-
2016
- 2016-01-27 CN CN201610058438.4A patent/CN105737328B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1188217A (en) * | 1997-01-16 | 1998-07-22 | 楼世竹 | Forward cycle heat pump |
| KR20090085373A (en) * | 2008-02-04 | 2009-08-07 | 엘지전자 주식회사 | Heat pump heating apparatus and control method of the same |
| CN102287978A (en) * | 2011-07-23 | 2011-12-21 | 中原工学院 | Composite heat-source defrosting system for air-source heat pump |
| CN203052802U (en) * | 2012-12-25 | 2013-07-10 | 福州斯狄渢电热水器有限公司 | Air-energy heat-pump heat supply heating system with built-in water tank |
| CN204006253U (en) * | 2014-07-24 | 2014-12-10 | 康特能源科技(苏州)有限公司 | Air source heat pump floor board heating structure |
| CN205536727U (en) * | 2016-01-27 | 2016-08-31 | 珠海格力电器股份有限公司 | Air conditioner pipe -line system and have its air conditioner |
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| Publication number | Publication date |
|---|---|
| CN105737328A (en) | 2016-07-06 |
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