CN208431987U - Outdoor unit and air-conditioning system - Google Patents
Outdoor unit and air-conditioning system Download PDFInfo
- Publication number
- CN208431987U CN208431987U CN201820866704.0U CN201820866704U CN208431987U CN 208431987 U CN208431987 U CN 208431987U CN 201820866704 U CN201820866704 U CN 201820866704U CN 208431987 U CN208431987 U CN 208431987U
- Authority
- CN
- China
- Prior art keywords
- outdoor
- heat exchange
- pressure air
- air pipe
- outdoor unit
- 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.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
- Other Air-Conditioning Systems (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The utility model provides a kind of outdoor unit and air-conditioning system, including compressor, two outdoor heat exchange units, liquid pipe, high-pressure air pipe and low-pressure air pipe, the high-pressure air pipe is connected to the exhaust outlet of the compressor, and the low-pressure air pipe is connected to the air entry of the compressor.Outdoor unit provided by the utility model and air-conditioning system, by the way that defroster duct is arranged, it can be defrosted using defroster duct to outdoor heat exchange unit, it can be avoided the devices such as setting electric heater to defrost, increase the service life of outdoor unit, and two outdoor heat exchange units of setting, an outdoor heat exchange unit can be made persistently to heat when outdoor unit is defrosted, another outdoor heat exchange unit defrosts, and then achieve the purpose that all to defrost, and defroster duct is arranged in the lower section of two outdoor heat exchangers, not only defrost to outdoor heat exchanger, the frost that exchanger base is difficult to melt can also be removed, extend the heat pamp in next period, improve indoor comfort.
Description
Technical field
The utility model relates to airhandling equipment technical field, especially a kind of outdoor unit and air-conditioning system.
Background technique
When entering defrosting state, condenser and evaporator exchange existing air-conditioning system at this time, in order to avoid interior is blown
Then indoor unit blower needs to shut down cold wind, when and humidity lower in environment temperature is larger, heat defrost when fluctuations in indoor temperature compared with
Greatly, comfort level is influenced, and in the prior art using auxiliary heater (electric heating) is increased such as on outdoor heat exchanger, although this is auxiliary
Help electric heating element that can defrost in the case where not influencing room temperature to outdoor heat exchanger, but general auxiliary heating parts
Energy consumption it is high, in the environment of defrosting efficiency is low, and electric heating element can be often in having frost, water covering, service life is limited.
Utility model content
In order to solve the above-mentioned technical problem, a kind of outdoor unit and air-conditioning system increasing defrosting effect is provided.
A kind of outdoor unit, including compressor, two outdoor heat exchange units, liquid pipe, high-pressure air pipe and low-pressure air pipe, the height
Air pipe is connected to the exhaust outlet of the compressor, and the low-pressure air pipe is connected to the air entry of the compressor, described in one
Outdoor heat exchange unit has the first state and have that one end is connected to the high-pressure air pipe and the other end is connected to the liquid pipe
The second state that one end is connected to the low-pressure air pipe and the other end is connected to the liquid pipe, another outdoor heat exchange unit tool
There are one end is connected to the liquid pipe and the other end is connected to the high-pressure air pipe the third state and one end to be connected to the liquid pipe
And the 4th state that the other end is connected to the low-pressure air pipe.
Further, the outdoor unit further includes defrosting unit, and described defrosting unit one end is connected to the high-pressure air pipe,
The other end is connected to the low-pressure air pipe.
Further, two outdoor heat exchange units are all set in the top of the defrosting unit.
Further, two outdoor heat exchange units are setting up and down.
Further, it is provided with the first solenoid valve between each outdoor heat exchange unit and the high-pressure air pipe, with institute
It states and is provided with second solenoid valve between low-pressure air pipe.
Further, third solenoid valve is provided between the defrosting unit and the low-pressure air pipe.
Further, the outdoor unit further includes gas-liquid separator, the entrance of the gas-liquid separator and the low pressure gas
Pipe connection, gaseous state outlet are connected to the air entry of the compressor.
Further, the outdoor unit further includes refrigeration four-way valve, the end D of the refrigeration four-way valve and the compressor
Exhaust outlet connection, it is described refrigeration four-way valve the end S be connected to the low-pressure air pipe, C-terminal respectively with two outdoor heat exchange lists
Member connection.
Further, the end E of the refrigeration four-way valve is connected to or institute by throttling set with the air entry of the compressor
The E end seal for stating refrigeration four-way valve closes setting.
The outdoor unit includes heat exchanger, and the heat exchanger is divided into two parts, and the heat exchanger of each section is formed
One outdoor heat exchange unit.
A kind of air-conditioning system, including above-mentioned outdoor unit.
Outdoor unit provided by the utility model and air-conditioning system can utilize defroster duct pair by the way that defroster duct is arranged
Outdoor heat exchange unit defrosts, and can be avoided the devices such as setting electric heater and defrosts, increases the service life of outdoor unit,
And two outdoor heat exchange units of setting, an outdoor heat exchange unit can be made persistently to heat when outdoor unit is defrosted, separately
One outdoor heat exchange unit defrosts, and then achievees the purpose that all to defrost, and defroster duct is arranged and is changed two outdoors
The lower section of hot device, not only defrosts to outdoor heat exchanger, moreover it is possible to remove the frost that exchanger base is difficult to melt, extend next
The heat pamp in period improves indoor comfort.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the outdoor unit of the embodiment of outdoor unit provided by the utility model and air-conditioning system；
Fig. 2 is the refrigerant of the refrigerating state of the outdoor unit of the embodiment of outdoor unit provided by the utility model and air-conditioning system
Flow graph；
Fig. 3 is that the outdoor unit of the embodiment of outdoor unit provided by the utility model and air-conditioning system enters the defrosting first stage
Refrigerant flow graph；
Fig. 4 is that the outdoor unit of the embodiment of outdoor unit provided by the utility model and air-conditioning system enters defrosting second stage
Refrigerant flow graph；
Fig. 5 is that the outdoor unit of the embodiment of outdoor unit provided by the utility model and air-conditioning system enters the defrosting phase III
Refrigerant flow graph；
Fig. 6 is the refrigerant of the heating state of the outdoor unit of the embodiment of outdoor unit provided by the utility model and air-conditioning system
Flow graph；
In figure:
1, compressor；2, outdoor heat exchange unit；3, liquid pipe；4, high-pressure air pipe；5, low-pressure air pipe；6, defrost unit；7,
One solenoid valve；8, second solenoid valve；9, third solenoid valve.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
The present invention will be further described in detail for example.It should be appreciated that specific embodiment described herein is only used for explaining this
Utility model is not used to limit the utility model.
Outdoor unit as shown in Figure 1, including 1, two outdoor heat exchange unit 2 of compressor, liquid pipe 3, high-pressure air pipe 4 and low pressure
Tracheae 5, the high-pressure air pipe 4 are connected to the exhaust outlet of the compressor 1, the air-breathing of the low-pressure air pipe 5 and the compressor 1
Mouth connection, an outdoor heat exchange unit 2 is connected to one end with the high-pressure air pipe 4 and the other end and the liquid pipe 3 connect
It logical first state and is connected to one end with the low-pressure air pipe 5 and the second state that the other end is connected to the liquid pipe 3, separately
The one outdoor heat exchange unit 2 has the third shape that one end is connected to the liquid pipe 3 and the other end is connected to the high-pressure air pipe 4
State and the 4th state that one end is connected to the liquid pipe 3 and the other end is connected to the low-pressure air pipe 5.
It is as shown in Figure 2 when outdoor unit carries out normal refrigerating mode, two outdoor heat exchange units 2 are respectively at the
One state and the third state, refrigerant is along compressor 1, high-pressure air pipe 4, outdoor heat exchange unit 2, liquid pipe 3, indoor unit, low-pressure air pipe 5
Refrigeration cycle is formed with compressor 1.
It is as shown in FIG. 6 when outdoor unit carries out normal heating mode, two outdoor heat exchange units 2 are respectively at the
Two-state and the 4th state, refrigerant is along compressor 1, high-pressure air pipe 4, indoor unit, liquid pipe 3, two outdoor heat exchange units 2, low pressure
Tracheae 5 and compressor 1 form heating circulation.
When outdoor unit carries out defrosting mode, one of outdoor heat exchange unit 2 is in first state and another outdoor is changed
Hot cell 2 is in the 4th state or an outdoor heat exchange unit 2 is in the second state and another outdoor heat exchange unit 2 is in third
State namely one of outdoor heat exchange unit 2 are in heating mode, and another outdoor heat exchange unit 2 carries out defrosting mode, thus
It defrosts in the case where not stopping heating mode, and after the defrosting of corresponding heat exchanger, two outdoor heat exchange units 2
State switch over, defrost to the outdoor heat exchange unit 2 not defrosted, be finally reached defrosting purpose.
Further, the outdoor unit further includes defrosting unit 6, and described 6 one end of defrosting unit and the high-pressure air pipe 4 connect
Logical, the other end is connected to the low-pressure air pipe 5, in outdoor unit progress defrosting mode, the refrigerant of high temperature and pressure can be sent to
It defrosts in unit 6, two outdoor heat exchange units 2 and its peripheral structure or environment is heated, and then achieve the purpose that defrosting.
Further, two outdoor heat exchange units 2 are all set in the top of the defrosting unit 6, using on hot gas
Liter is separate, is defrosted using the heat of defrosting unit 6 to two outdoor heat exchange units 2, and equal in outdoor unit Frost formation process
It is the top progress frosting from the lower part of heat exchanger to heat exchanger, therefore, defrosting unit 6 can be by the frost of the bottom of heat exchanger
It is removed, to achieve the purpose that thoroughly to defrost, but also the frost that exchanger base is difficult to melt can be removed, under extension
The heat pamp in one period improves indoor comfort.
Further, two outdoor heat exchange units 2 are setting up and down, and two outdoor heat exchange units 2 is enable sufficiently to connect
By the heat of defrosting unit 6, it is preferred that because the frosting degree of the outdoor heat exchange unit 2 in top is minimum, defrosting
When, first defrost in the outdoor heat exchange unit 2 of top, be capable of outside the realization upper chamber of prestissimo heat exchange unit 2 into
The purpose of row defrosting, and the white frosting on outdoor heat exchange unit 2 again after thawing can be prevented, to increase defrosting effect
Rate.
Therefore, when outdoor unit carries out defrosting mode, three phases can be divided into, the first stage is the outdoor to top layer
Heat exchange unit defrosts: Fig. 3 be the first stage refrigerant flow graph, most of refrigerant successively pass through high-pressure air pipe, indoor unit,
Liquid pipe, an outdoor heat exchange unit, low-pressure air pipe and compressor form heating circulation, part refrigerant successively pass through high-pressure air pipe,
Another outdoor heat exchange unit, liquid pipe, outdoor heat exchange unit, low-pressure air pipe and compressor in heating circulation form upper chamber
The defrosting of outer heat exchange unit recycles；Remaining refrigerant successively passes through high-pressure air pipe, defrosting unit, low-pressure air pipe and compressor and is formed
Defrost unit defrosting circulation；
Second stage defrosts to the outdoor heat exchange unit in middle part: Fig. 4 is the refrigerant flow graph of second stage,
After the defrosting of the outdoor heat exchange unit of top layer, into second stage, in the first phase in the room heated in circulation
Outer heat exchange unit defrosts, and another outdoor heat exchange unit enters heating mode, and the unit that defrosts at this time continues to defrost；
Phase III, lasting to defrost: Fig. 5 is the refrigerant flow graph of phase III, and the outdoor heat exchange unit at middle part defrosts
Enter the phase III after structure, two outdoor heat exchange units enter heating mode, and defrosting unit persistently defrosts, will be outdoor
The frosting of motor spindle removes.
Further, it is provided with the first solenoid valve 7 between each outdoor heat exchange unit 2 and the high-pressure air pipe 4, with
It is provided with second solenoid valve 8 between the low-pressure air pipe 5, realizes outdoor heat exchange list using the first solenoid valve 7 and second solenoid valve 8
The switching of the first state or the second state and the third state or the 4th state of member 2.
Further, it is provided with third solenoid valve 9 between the defrosting unit 6 and the low-pressure air pipe 5, utilizes third electricity
The working condition of the control defrosting unit 6 of magnet valve 9.
Further, the outdoor unit further includes gas-liquid separator, the entrance of the gas-liquid separator and the low pressure gas
Pipe 5 is connected to, and gaseous state outlet is connected to the air entry of the compressor 1.
Further, the outdoor unit further includes refrigeration four-way valve, the end D of the refrigeration four-way valve and the compressor 1
Exhaust outlet connection, it is described refrigeration four-way valve the end S be connected to the low-pressure air pipe 5, C-terminal respectively with two outdoor heat exchanges
Unit 2 is connected to.
Further, the end E of the refrigeration four-way valve is connected to or institute by throttling set with the air entry of the compressor 1
The E end seal for stating refrigeration four-way valve closes setting.
The outdoor unit includes heat exchanger, and the heat exchanger is divided into two parts, and the heat exchanger of each section is formed
One heat exchanger is also divided into two outdoor heat exchange units 2 using pipeline by one outdoor heat exchange unit 2, thus side
Just the defrosting of heat exchanging device.
A kind of air-conditioning system, including above-mentioned outdoor unit.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (11)
1. a kind of outdoor unit, it is characterised in that: including compressor (1), two outdoor heat exchange units (2), liquid pipe (3), high pressure gas
Pipe (4) and low-pressure air pipe (5), the high-pressure air pipe (4) are connected to the exhaust outlet of the compressor (1), the low-pressure air pipe (5)
It is connected to the air entry of the compressor (1), an outdoor heat exchange unit (2) has one end and the high-pressure air pipe (4)
It connection and the first state that is connected to the liquid pipe (3) of the other end and is connected to one end with the low-pressure air pipe (5) and another
The second state being connected to the liquid pipe (3) is held, another outdoor heat exchange unit (2) has one end and the liquid pipe (3) even
The third state and one end that the logical and other end is connected to the high-pressure air pipe (4) are connected to the liquid pipe (3) and the other end and institute
State the 4th state of low-pressure air pipe (5) connection.
2. outdoor unit according to claim 1, it is characterised in that: the outdoor unit further includes defrosting unit (6), described to remove
White unit (6) one end is connected to the high-pressure air pipe (4), and the other end is connected to the low-pressure air pipe (5).
3. outdoor unit according to claim 2, it is characterised in that: two outdoor heat exchange units (2) are all set in institute
State the top of defrosting unit (6).
4. outdoor unit according to claim 3, it is characterised in that: two outdoor heat exchange units (2) are setting up and down.
5. outdoor unit according to claim 2, it is characterised in that: each outdoor heat exchange unit (2) and the high pressure
It is provided with the first solenoid valve (7) between tracheae (4), second solenoid valve (8) are provided between the low-pressure air pipe (5).
6. outdoor unit according to claim 5, it is characterised in that: the defrosting unit (6) and the low-pressure air pipe (5) it
Between be provided with third solenoid valve (9).
7. outdoor unit according to claim 2, it is characterised in that: the outdoor unit further includes gas-liquid separator, the gas
The entrance of liquid/gas separator is connected to the low-pressure air pipe (5), and gaseous state outlet is connected to the air entry of the compressor (1).
8. outdoor unit according to claim 2, it is characterised in that: the outdoor unit further includes refrigeration four-way valve, the system
The end D of cold four-way valve is connected to the exhaust outlet of the compressor (1), the end S and the low-pressure air pipe (5) of the refrigeration four-way valve
Connection, C-terminal are connected to two outdoor heat exchange units (2) respectively.
9. outdoor unit according to claim 8, it is characterised in that: it is described refrigeration four-way valve the end E by throttling set with
The air entry of the compressor (1) is connected to or the E end seal of the refrigeration four-way valve closes setting.
10. outdoor unit according to claim 1, it is characterised in that: the outdoor unit includes heat exchanger, the heat exchanger point
For two parts, and the heat exchanger of each section forms an outdoor heat exchange unit (2).
11. a kind of air-conditioning system, it is characterised in that: including outdoor unit described in any one of claims 1 to 10.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866704.0U CN208431987U (en) | 2018-05-29 | 2018-05-29 | Outdoor unit and air-conditioning system |
| PCT/CN2018/122912 WO2019227911A1 (en) | 2018-05-29 | 2018-12-22 | Outdoor unit and air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820866704.0U CN208431987U (en) | 2018-05-29 | 2018-05-29 | Outdoor unit and air-conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208431987U true CN208431987U (en) | 2019-01-25 |
Family
ID=65101001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820866704.0U Active CN208431987U (en) | 2018-05-29 | 2018-05-29 | Outdoor unit and air-conditioning system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208431987U (en) |
| WO (1) | WO2019227911A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553417A (en) * | 2019-08-13 | 2019-12-10 | 珠海格力电器股份有限公司 | air conditioning system and control method thereof |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2629030A1 (en) * | 2011-12-12 | 2013-08-21 | Samsung Electronics Co., Ltd | Air Conditioner |
| CN104728951B (en) * | 2015-04-13 | 2017-09-12 | 宁波奥克斯电气股份有限公司 | The outdoor unit modules of multi-connected machine and the method for being heated and being defrosted simultaneously using the module |
| CN104764112B (en) * | 2015-04-19 | 2018-04-03 | 上海交通大学 | The air-conditioning system of indoor continuously heating during a kind of defrosting |
| JP2017172920A (en) * | 2016-03-25 | 2017-09-28 | 株式会社富士通ゼネラル | Air conditioner |
| CN107560218B (en) * | 2017-09-14 | 2020-04-10 | 广东美的暖通设备有限公司 | Multi-split air conditioning system and defrosting control method thereof |
| CN207865750U (en) * | 2018-01-02 | 2018-09-14 | 珠海格力电器股份有限公司 | Outdoor unit, air-conditioning system |
| CN108168138A (en) * | 2018-01-02 | 2018-06-15 | 珠海格力电器股份有限公司 | Outdoor unit, air-conditioning system and control method |
-
2018
- 2018-05-29 CN CN201820866704.0U patent/CN208431987U/en active Active
- 2018-12-22 WO PCT/CN2018/122912 patent/WO2019227911A1/en active Application Filing
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553417A (en) * | 2019-08-13 | 2019-12-10 | 珠海格力电器股份有限公司 | air conditioning system and control method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019227911A1 (en) | 2019-12-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103759456B (en) | A kind of air-conditioning or the heat-exchange system of heat pump and Defrost method thereof | |
| CN103363600B (en) | Heat pump type air adjusting device | |
| CN103363601B (en) | Heat pump type air adjusting device | |
| CN103574860A (en) | Air conditioner defrosting circulation system | |
| CN105003982B (en) | A kind of control method of air-conditioning system | |
| CN104329824A (en) | Multi-connected type air conditioner system and control method thereof | |
| CN106288562A (en) | The defrosting of a kind of air source heat pump system controls devices and methods therefor | |
| CN104990321A (en) | Air conditioner and defrosting method thereof | |
| CN205641690U (en) | Double heating type combined type air conditioner system | |
| CN111692640B (en) | Air conditioner indoor unit, air conditioner and defrosting control mode of air conditioner indoor unit | |
| CN109269017A (en) | A kind of multi-connected machine single module system for not shutting down defrosting | |
| CN206875775U (en) | Outdoor unit defrosting device | |
| CN104764111A (en) | Multi-connected air conditioning system and defrosting control method thereof | |
| CN105987483A (en) | Novel air conditioner defrosting control system | |
| CN108007016A (en) | The control method of heat pump system and heat pump system | |
| CN204853731U (en) | Air conditioning system | |
| CN107642929A (en) | A kind of heat exchanger defrosting apparatus and method | |
| CN208431987U (en) | Outdoor unit and air-conditioning system | |
| CN108758971A (en) | Electrochemical Refrigeration window air conditioner defrosting control method and control system, air-conditioning | |
| CN205747624U (en) | Air conditioning system | |
| CN202853065U (en) | Air conditioner defrosting circulation system | |
| CN208735815U (en) | A kind of integrated multiple unit of combination multi-source | |
| CN110332618A (en) | Outdoor unit, air-conditioning system and control method with continuous heating function | |
| CN105423447A (en) | Outdoor unit used for heat pump type air conditioner and heat pump type air conditioner | |
| CN102538272A (en) | Air conditioning system and defrosting method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |