CN205641622U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
- Publication number
- CN205641622U CN205641622U CN201620195505.2U CN201620195505U CN205641622U CN 205641622 U CN205641622 U CN 205641622U CN 201620195505 U CN201620195505 U CN 201620195505U CN 205641622 U CN205641622 U CN 205641622U
- Authority
- CN
- China
- Prior art keywords
- conditioning system
- air conditioning
- compressor
- temperature
- indoor set
- 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
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The utility model discloses an air conditioning system, this air conditioning system include off -premises station and indoor set, the off -premises station includes compressor, outdoor heat exchanger, and connects the indoor set with electronic expansion valve between the outdoor heat exchanger, the gas vent department of compressor is provided with the check valve, the check valve switches on the gas vent of compressor to outdoor heat exchanger's pipeline. The utility model provides a because of after the air conditioning system bring to rest, the storage has the refrigerant and leads to the extravagant problem of the energy in the indoor set.
Description
Technical field
This utility model relates to air-conditioner technical field, particularly relates to a kind of air conditioning system.
Background technology
General air conditioning system is after refrigeration mode end of run, and its indoor set remains with off-premises station and is in
Connected state, this results in after air conditioning system is out of service, and part of refrigerant remains stored in room
In interior machine, for multi-split air conditioner, often connect and have multiple stage indoor set, in shutdown
After, causing these indoor sets to rush storage has substantial amounts of cold-producing medium open at upper once air-conditioner and start system
During cold mode operation, the low-temperature refrigerant after outdoor machine system throttles needs first to cool down indoor set and stores
Cold-producing medium, cause the waste of cold, and then cause energy waste.
Utility model content
This utility model provides a kind of air conditioning system, and its main purpose is to solve because air conditioning system stops fortune
After row, indoor set stores the problem having coolant and cause energy waste.
For achieving the above object, this utility model provides a kind of air conditioning system, and this air conditioning system includes outdoor
Machine and indoor set, described off-premises station includes compressor, outdoor heat exchanger, and is connected to described indoor set
And the electric expansion valve between described outdoor heat exchanger, the exhaust ports of described compressor is provided with check valve,
Described check valve turns on the air vent of described compressor to the pipeline of described outdoor heat exchanger.
Preferably, at the coolant inlet pipeline of described indoor set, it is provided with the first temperature-detecting device, described
It is provided with the second temperature-detecting device at the refrigerant exit pipeline of indoor set.
Preferably, the return line of described compressor arranges pressure-detecting device.
Preferably, described off-premises station is provided with multiple stage, each described off-premises station and described outdoor heat exchanger
It is respectively connected with described electric expansion valve.
Preferably, described air conditioning system also includes controller, for controlling unlatching and the pass of described compressor
Close, and control the open and close of described check valve.
Preferably, described controller is additionally operable to control the aperture regulation of described electric expansion valve.
Preferably, described controller is additionally operable between the return air temperature and wind pushing temperature of described indoor set
When temperature difference is less than the first preset temperature difference, controls described compressor and close, and control described check valve
Close.
Preferably, described controller is additionally operable to the first temperature detected at described first temperature-detecting device
With the temperature difference between the second temperature of detecting of described second temperature-detecting device is less than the second preset temperature
During difference, control described compressor and close, and control described closed check valve.
Preferably, described controller is additionally operable to be less than pre-in the force value that described pressure-detecting device detects
If during force value, control described compressor and close, and control described closed check valve.
The air conditioning system that the utility model proposes includes indoor set and off-premises station, and wherein, off-premises station includes pressure
Contracting machine, outdoor heat exchanger, and the electric expansion valve being connected between indoor set and outdoor heat exchanger, and
And, the compressor air-discharging pipeline of air conditioning system arranges check valve, the row of this check valve conducting compressor
QI KOU is to the pipeline of outdoor heat exchanger, so, when air-conditioner receives off signal, and can be incomplete
Close compressor, but be adjusted to compressor under low frequency state run, simultaneously close off and be connected with off-premises station
Electric expansion valve, by compressor, coolant present in indoor set is constantly drawn into outdoor machine system
In, after the coolant in indoor set is all recovered in off-premises station, close compressor, simultaneously close off
Stating check valve, make in stopping process, coolant is completely stored in outdoor machine system, prevents compressor from stopping
After operation, coolant to indoor set migrate, it is ensured that air conditioning system upper once start run refrigeration mode time,
Need not cold to the coolant cooling down in indoor set, it is achieved that energy-conservation, solve because air conditioning system stops fortune
After row, indoor set stores the problem having coolant and cause energy waste.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model air conditioning system preferred embodiment；
Fig. 2 is the structural representation of this utility model another embodiment of air conditioning system.
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Should be appreciated that specific embodiment described herein, and need not only in order to explain this utility model
In limiting this utility model.
This utility model provides a kind of air conditioning system, with reference to shown in Fig. 1, for this utility model air conditioning system
The structural representation of preferred embodiment.
In this embodiment, this air conditioning system includes off-premises station 10 and indoor set 20, and off-premises station 10 includes
Compressor 11, outdoor heat exchanger 12, and it is connected to the electricity between indoor set 20 and outdoor heat exchanger 12
Sub-expansion valve 13, is provided with check valve 30, check valve 30 conducting pressure at the air vent 111 of compressor 11
The air vent 111 of contracting machine 11 is to the pipeline of outdoor heat exchanger 12.
Further, at the coolant inlet pipeline 21 of indoor set 20, it is provided with the first temperature-detecting device 40,
The second temperature-detecting device 50 it is provided with at the refrigerant exit pipeline 22 of indoor set；Or, at compressor
In the return line 112 of 11, pressure-detecting device 60 is set.
This air conditioning system is during refrigerating operaton, and electric expansion valve 13 and check valve 30 are in unlatching
State, check valve 30 turns on air vent 111 and the outdoor heat exchanger 12 of compressor 11, and coolant is from compression
The air vent 111 of machine 11 flows to outdoor heat exchanger 12.
Further, air conditioning system 100 is additionally provided with controller (not shown), is receiving shutdown
During signal, controller closedown electric expansion valve 13, not fully closed compressor 11, but by compressor 11
Being adjusted to low frequency state run, in the present embodiment, low-frequency range is preferably set to 8-20Hz, at it
In his embodiment, it is also possible to be set to the scope of 10-15Hz, now, compressor 11 low-frequency operation, will
Coolant in indoor set 20 is drawn in off-premises station 10, so that there is not coolant in indoor set 20, makes
It is in vacuum state, after having reclaimed coolant, and controller close compressor 11, simultaneously close off unidirectional
Valve 30, makes in stopping process, and coolant is completely stored in off-premises station 10, prevents compressor 11 from stopping fortune
After row, coolant migrates in indoor set 20, it is ensured that air conditioning system 100 runs refrigeration mould in upper once start
During formula, it is not necessary to cold cools down the coolant in indoor set 20.
Wherein, when whether the coolant in judging indoor set 20 is fully retrieved in off-premises station 10, permissible
There is multiple method, such as, obtain the temperature difference between return air temperature and wind pushing temperature, if coolant reclaims completely
Complete, then this temperature difference can be the least, and close to zero, therefore, controller can be in return air temperature and air-supply
Temperature difference between temperature is less than the first preset temperature difference, controls compressor 11 and check valve 30 is closed,
This first preset temperature difference can be arranged according to practical situation by user；Or, according to pressure-detecting device
60 force value detected, when indoor set 20 lies substantially in vacuum state, this force value is the most close
In zero, can arrange preset pressure value as judgment threshold, this pressure threshold can be by user according to reality
Situation is arranged, when the force value that pressure-detecting device 60 detects is less than preset pressure value, it is determined that coolant
Recovery completes, and controller controls compressor 11 and check valve 30 is closed；Or, according to the first temperature inspection
Temperature between the coolant import and export of the indoor set 20 that survey device 40 and the second temperature-detecting device 50 detect
It is poor to spend, and when refrigerant recovering completes, this temperature difference also can arrange the second preset temperature poor close to zero
As judgment threshold, this second preset temperature difference can be arranged according to practical situation by user, when above-mentioned temperature
When degree difference is less than the second preset temperature difference, it is determined that refrigerant recovering completes, controller controls compressor 11 and list
Close to valve 30；Wherein, said temperature detection device can be temperature sensor or temperature-sensitive bag etc., pressure
Force checking device 60 can be Pressure gauge or pressure transducer etc., and about return air temperature and wind pushing temperature,
General air conditioning system is both provided with corresponding temperature-detecting device detection return air temperature and wind pushing temperature, nothing
Extra temperature-detecting device need to be further added by.It is understood that check valve 30 is made normally at air-conditioner
Cold operation state is in opening.
It should be noted that the indoor set 20 of air conditioning system 100 that the present embodiment proposes can have one or
Person is multiple, can be i.e. air conditioner in single chamber, and in other embodiments, air conditioning system 100 can be one
Air conditioning system with multiple indoor set, i.e. can be provided with multiple stage indoor set 20, with reference to shown in Fig. 2, with air conditioning system 100
As a example by two indoor sets 20, but this utility model is not limited thereto, and can be arranged as required to
Multiple stage indoor set 20, and the electronic expansion of correspondence is set for each indoor set 20 in off-premises station 10
Valve 13, the most each the corresponding electric expansion valve 13 of indoor set 20.It is understood that for one
For air conditioning system with multiple indoor set, the off signal of the present embodiment refers to receive the shutdown letter closing off-premises station 10
Number, i.e. need close compressor 11, when using due to user, be likely not to have and open whole indoor set 20,
Therefore, as long as also having at least one indoor set 20 to be in running status, compressor 11 is also in operation
State, does not carries out the recovery of coolant.And, the air conditioning system 100 in the present embodiment, its compressor
The quantity of 11 can also be multiple, when carrying out refrigerant recovering, can be in one of running status or
The multiple compressor of person 11 regulates tremendously low frequency state and runs the recovery carrying out coolant.
The air conditioning system 100 that the present embodiment proposes includes off-premises station 10 and indoor set 20, wherein, off-premises station
10 include compressor 11 and outdoor heat exchanger 12, and are connected to indoor set 20 and outdoor heat exchanger 12
Between electric expansion valve 13, and, compressor 11 discharge duct of air conditioning system arranges check valve
30, this check valve 30 turns on the air vent pipeline to outdoor heat exchanger 12 of compressor 11.In air-conditioning system
When system 100 receives off signal, not fully closed compressor 11, but compressor 11 is adjusted to low
Frequently state is run, and simultaneously closes off the electric expansion valve 13 being connected with off-premises station 10, will deposit in indoor set 20
Coolant be constantly recovered in off-premises station 10, when the coolant detected in indoor set 20 all reclaims
After in described off-premises station 10, control compressor 11 out of service, simultaneously close off described check valve 30,
Making in stopping process, coolant is completely stored in off-premises station 10 system, prevents compressor 11 out of service
After, coolant migrates to indoor set 20, it is ensured that air conditioning system 100 upper once start run refrigeration mode time,
Need not cold to cool down the coolant in indoor set 20, it is achieved that energy-conservation, solve because of air conditioning system 100
After out of service, indoor set 20 stores the problem having coolant and cause energy waste.
These are only preferred embodiment of the present utility model, not thereby limit patent model of the present utility model
Enclose, every equivalent structure utilizing this utility model description and accompanying drawing content to be made or equivalence flow process conversion,
Or directly or indirectly it is used in other relevant technical fields, the most in like manner it is included in patent of the present utility model
In protection domain.
Claims (10)
1. an air conditioning system, it is characterized in that, described air conditioning system includes off-premises station and indoor set, described off-premises station includes compressor, outdoor heat exchanger, and it is connected to the electric expansion valve between described indoor set and described outdoor heat exchanger, the exhaust ports of described compressor is provided with check valve, and described check valve turns on the air vent of described compressor to the pipeline of described outdoor heat exchanger.
Air conditioning system the most according to claim 1, it is characterised in that be provided with the first temperature-detecting device at the coolant inlet pipeline of described indoor set, is provided with the second temperature-detecting device at the refrigerant exit pipeline of described indoor set.
Air conditioning system the most according to claim 1, it is characterised in that pressure-detecting device is set in the return line of described compressor.
Air conditioning system the most according to claim 1, it is characterised in that described off-premises station is provided with multiple stage, each described off-premises station is respectively connected with described electric expansion valve with described outdoor heat exchanger.
Air conditioning system the most according to claim 2, it is characterised in that described air conditioning system also includes controller, for controlling the open and close of described compressor, and controls the open and close of described check valve.
Air conditioning system the most according to claim 3, it is characterised in that described air conditioning system also includes controller, for controlling the open and close of described compressor, and controls the open and close of described check valve.
Air conditioning system the most according to claim 5, it is characterised in that described controller is additionally operable to control the aperture regulation of described electric expansion valve.
Air conditioning system the most according to claim 5, it is characterized in that, when the temperature difference that described controller is additionally operable between the return air temperature and wind pushing temperature of described indoor set is less than the first preset temperature difference, controls described compressor and close, and control described closed check valve.
Air conditioning system the most according to claim 5, it is characterized in that, when the temperature difference that described controller is additionally operable between the second temperature that the first temperature that described first temperature-detecting device detects and described second temperature-detecting device detect is less than the second preset temperature difference, control described compressor to close, and control described closed check valve.
Air conditioning system the most according to claim 6, it is characterised in that described controller is additionally operable to, when the force value that described pressure-detecting device detects is less than preset pressure value, control described compressor and cut out, and control described closed check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195505.2U CN205641622U (en) | 2016-03-14 | 2016-03-14 | Air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195505.2U CN205641622U (en) | 2016-03-14 | 2016-03-14 | Air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205641622U true CN205641622U (en) | 2016-10-12 |
Family
ID=57076384
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195505.2U Active CN205641622U (en) | 2016-03-14 | 2016-03-14 | Air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205641622U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421059A (en) * | 2017-06-09 | 2017-12-01 | 宁波奥克斯电气股份有限公司 | Control method for preventing flammable refrigerant from entering indoor side when air conditioner is shut down |
| CN110411082A (en) * | 2019-07-23 | 2019-11-05 | 珠海格力电器股份有限公司 | Refrigerant recovery system and its control method, device, controller and air-conditioning system |
| CN114935223A (en) * | 2022-06-08 | 2022-08-23 | 青岛海信日立空调***有限公司 | Air source heat pump system |
-
2016
- 2016-03-14 CN CN201620195505.2U patent/CN205641622U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107421059A (en) * | 2017-06-09 | 2017-12-01 | 宁波奥克斯电气股份有限公司 | Control method for preventing flammable refrigerant from entering indoor side when air conditioner is shut down |
| CN110411082A (en) * | 2019-07-23 | 2019-11-05 | 珠海格力电器股份有限公司 | Refrigerant recovery system and its control method, device, controller and air-conditioning system |
| CN114935223A (en) * | 2022-06-08 | 2022-08-23 | 青岛海信日立空调***有限公司 | Air source heat pump system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105698284A (en) | Air-conditioning system and refrigeration controlling method and device thereof | |
| CN104019525B (en) | The recovery method of air-conditioner coolant and recovery system | |
| CN101876474B (en) | Method for automatically detecting lack of refrigerant in air-conditioner | |
| CN101571327B (en) | Control method of multi-connected heat pump air-conditioning unit parallelly connected by outdoor units | |
| WO2017215090A1 (en) | Operation fault determination method for air conditioner in remote control manner | |
| CN104833056B (en) | Control method and control system for the outdoor fan of air conditioner | |
| CN104566863A (en) | Method for detecting refrigerant leakage and air conditioner | |
| CN105115073A (en) | Explosion proof type forced draft air conditioning device for driller room | |
| CN105065249B (en) | Compressor performance detection means, air-conditioning system and control method with the device | |
| CN109237721B (en) | Electronic expansion valve fault detection method for air conditioner | |
| CN101454621A (en) | Variable capacity air conditioning system | |
| CN107917505B (en) | A kind of multi-split air conditioner and its outdoor unit defrosting control method | |
| CN104566852A (en) | Air conditioner and motor cooling method of air conditioner | |
| CN109282423B (en) | Method for detecting communication connection error of heat recovery multi-split air conditioning system and heat recovery multi-split air conditioning system | |
| CN205641622U (en) | Air conditioning system | |
| CN205783578U (en) | Have and remotely control the air-conditioner that operation troubles judges | |
| CN105318491B (en) | The control method and device of air conditioner | |
| CN105485856A (en) | Air conditioning system and detection method of abnormity of air conditioning system in heating state | |
| CN107560101A (en) | A kind of fault detection method of air conditioner electronic expansion valve | |
| CN105180498A (en) | Floor-type split air conditioner, refrigerant recovering method and device | |
| CN104729163A (en) | Air conditioning system and defrosting control method thereof | |
| KR20090044785A (en) | A coolant disclosure perception system and the control method | |
| CN103307818B (en) | The control method of air-conditioning system and the anti-liquid hammer of air-conditioning system | |
| CN104729006A (en) | Air-conditioner defrosting control method and device | |
| CN104535884B (en) | Judge domestic multi-connection machine indoor set data wire whether the method for wrong |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |