CN201449081U - Modularized multi-linking air conditioning unit - Google Patents
Modularized multi-linking air conditioning unit Download PDFInfo
- Publication number
- CN201449081U CN201449081U CN2009200611601U CN200920061160U CN201449081U CN 201449081 U CN201449081 U CN 201449081U CN 2009200611601 U CN2009200611601 U CN 2009200611601U CN 200920061160 U CN200920061160 U CN 200920061160U CN 201449081 U CN201449081 U CN 201449081U
- Authority
- CN
- China
- Prior art keywords
- module
- communicated
- liquid
- gas
- low pressure
- 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.)
- Expired - Lifetime
Links
Images
Abstract
The utility model relates to a modularized multi-linking air conditioning unit, comprising at least two modules, at least two mode switchers and at least two indoor heat exchangers, wherein the indoor heat exchangers are respectively and correspondingly connected with the mode switchers; each module comprises a compressor, an outdoor heat exchanger, a gas-liquid separator, a high-pressure air tube, a low-pressure air tube and a middle-pressure liquid tube; the high-pressure air tube of each module is simultaneously communicated with the high pressure air end of each mode switcher; the low-pressure air tube of each module is simultaneously communicated with the low pressure air end of each mode switcher; the middle-pressure liquid tube of each module is simultaneously communicated with the middle pressure liquid end of each mode switcher; each module also comprises a liquid tube, wherein one end of the liquid pipe is communicated with the lower part of the gas-liquid separator, and the other end thereof is communicated with the low pressure air tube of each module. The utility model is capable of realizing the control to the liquid state refrigerant of the machine group, ensuring the refrigerant of the machine group to cycle normally, thus simultaneously preventing the compressor from starting by the way of returning the liquid.
Description
Technical field
The utility model relates to a kind of modularization VRF Air Conditioning System.
Background technology
The heat-reclamation multi-compressors group is a kind of novel VRF Air Conditioning System, be mainly used in indoor set and need the place of cooling and warming simultaneously, for example: in a commercial building body, the office functional area that main body is wherein arranged also has work machine room, CRUX center, medical clinic of various power-equipments and communication apparatus etc.
The recovery type heat VRF Air Conditioning System is because indoor set needs refrigeration and heating operation simultaneously; compare with the multi-joint machine of tradition so; just more complicated in the distribution of refrigerant and control; particularly in modular heat-reclamation multi-compressors system; if accumulating in for a long time, refrigerant shuts down in the module; will cause the circulation cold medium shortage, not only influence system's refrigeration or heating effect, and be unfavorable for the reliability service of system.In addition, if refrigerant too much accumulate in the system low-voltage side, the system that not only makes starts the overlong time to stable operation, and exists compressor seriously to return the danger of liquid operation.
Summary of the invention
The purpose of this utility model is to overcome the defective of prior art, and a kind of modularization VRF Air Conditioning System is provided, and the utility model can be realized the control to the unit liquid refrigerants, guarantees unit refrigerant normal circulation, prevents that simultaneously compressor from returning liquid and starting.
Its technical scheme is as follows:
A kind of modularization VRF Air Conditioning System, this unit comprise at least two modules, at least two mode switch and at least two indoor heat exchangers, indoor heat exchanger and mode switch corresponding connection respectively; Each module comprises compressor, outdoor heat exchanger, gas-liquid separator, high-pressure air pipe, low pressure tracheae and middle hydraulic fluid pipe; The high-pressure air pipe of each module is communicated with the high pressure gas end of each mode switch simultaneously, and the low pressure tracheae of each module is communicated with the low pressure gas end of each mode switch simultaneously, and the middle hydraulic fluid pipe of each module is communicated with the middle hydraulic fluid end of each mode switch simultaneously; Each module also includes the liquid pipe, and an end of this liquid pipe is communicated with the bottom of aforementioned gas-liquid separator, the other end is communicated with the low pressure tracheae of each module.
The utility model is provided with the liquid pipe between gas-liquid separator and low pressure tracheae, liquid refrigerants in each module in the gas-liquid separator can be stored in this liquid pipe, when certain module is out of service, liquid refrigerants in this module can be discharged to the low pressure tracheae by the liquid pipe, and by the module utilization that moves, liquid refrigerants in the gas-liquid separator in the module out of service can not impact to system when it starts once more after discharging, and can realize clean boot.
Further structure of the present utility model is:
Described gas-liquid separator is provided with leakage fluid dram, and described liquid Guan Yiduan is communicated with the leakage fluid dram of gas-liquid separator, and the other end is communicated with described low pressure tracheae, and the height of described liquid pipe is lower than the height of this leakage fluid dram.The height of liquid pipe is lower, can guarantee that liquid refrigerants drains into the low pressure tracheae more smoothly under the gravity effect.
Each described module also includes cross valve, and four ports of this cross valve are connected with described outdoor heat exchanger, high-pressure air pipe, low pressure tracheae respectively.Can change the flow direction of refrigerant by cross valve.
Each described module comprises at least two compressors, and each compressor parallel connects.
Described gas-liquid separator is provided with air inlet and exhaust outlet, and described low pressure tracheae is communicated with the air inlet of gas-liquid separator, and the air entry of described compressor is communicated with the exhaust outlet of gas-liquid separator.
In sum, the utility model has the advantages that: can realize control, guarantee unit refrigerant normal circulation, prevent that simultaneously compressor from returning liquid and starting the unit liquid refrigerants.
Description of drawings
Fig. 1 is the structure chart of the utility model embodiment;
Description of reference numerals:
1, first module, 2, second module, 3, mode switch, 4, indoor heat exchanger, 5, compressor, 6, outdoor heat exchanger, 7, gas-liquid separator, 8, high-pressure air pipe, 9, the low pressure tracheae, 10, middle hydraulic fluid pipe, 11, liquid pipe, 12, leakage fluid dram, 13, air inlet, 14, exhaust outlet, 15, cross valve.
The specific embodiment
As shown in Figure 1, a kind of modularization VRF Air Conditioning System, this unit comprises first module 1,2 two modules of second module, three mode switch 3 and 4, three indoor heat exchangers 4 of three indoor heat exchangers and the 3 corresponding connections respectively of three mode switch; First module 1 and second module 2 include compressor 5, outdoor heat exchanger 6, gas-liquid separator 7, high-pressure air pipe 8, low pressure tracheae 9 and middle hydraulic fluid pipe 10; The high-pressure air pipe 8 of each module is communicated with the high pressure gas end of each mode switch 3 simultaneously, and the low pressure tracheae 9 of each module is communicated with the low pressure gas end of each mode switch 3 simultaneously, and the middle hydraulic fluid pipe 10 of each module is communicated with the middle hydraulic fluid end of each mode switch 3 simultaneously; Each module also includes liquid pipe 11, and an end of this liquid pipe 11 is communicated with the bottom of aforementioned gas-liquid separator 7, the other end is communicated with the low pressure tracheae 9 of each module.
Wherein, each described module comprises two compressors 5 and two outdoor heat exchangers 6, two compressors 5 and two outdoor heat exchangers 6 are connected in parallel separately, each module also includes two cross valves 15, and four ports of this cross valve 15 are connected with outdoor heat exchanger 6, high-pressure air pipe 8, low pressure tracheae 9 respectively.Described gas-liquid separator 7 is provided with air inlet 13 and exhaust outlet 14, and described low pressure tracheae 9 is communicated with the air inlet 13 of gas-liquid separator 7, and the air entry of described compressor 5 is communicated with the exhaust outlet 14 of gas-liquid separator 7.Described gas-liquid separator 7 is provided with leakage fluid dram 12, and described liquid pipe 11 1 ends are communicated with the leakage fluid dram 12 of gas-liquid separator 7, and the other end is communicated with low pressure tracheae 9, and the height of described liquid pipe 11 is lower than the height of this leakage fluid dram 12.
The utility model is provided with liquid pipe 11 between gas-liquid separator 7 and low pressure tracheae 9, liquid refrigerants in each module in the gas-liquid separator 7 can be stored in this liquid pipe 11, when certain module is out of service, liquid refrigerants in this module can be discharged to low pressure tracheae 9 by liquid pipe 11 under the gravity effect, and by the module utilization that moves, after liquid refrigerants in the gas-liquid separator 7 in the module out of service is discharged, when it starts once more, can not impact, can realize clean boot system.
Only be preferred embodiment of the present utility model below, do not limit protection domain of the present utility model with this; Any replacement and the improvement done on the basis of not violating the utility model design all belong to protection domain of the present utility model.
Claims (5)
1. modularization VRF Air Conditioning System, this unit comprise at least two modules, at least two mode switch and at least two indoor heat exchangers, and indoor heat exchanger is distinguished corresponding connection with mode switch; Each module comprises compressor, outdoor heat exchanger, gas-liquid separator, high-pressure air pipe, low pressure tracheae and middle hydraulic fluid pipe; The high-pressure air pipe of each module is communicated with the high pressure gas end of each mode switch simultaneously, and the low pressure tracheae of each module is communicated with the low pressure gas end of each mode switch simultaneously, and the middle hydraulic fluid pipe of each module is communicated with the middle hydraulic fluid end of each mode switch simultaneously; It is characterized in that each module also includes the liquid pipe, an end of this liquid pipe is communicated with the bottom of aforementioned gas-liquid separator, the other end is communicated with the low pressure tracheae of each module.
2. modularization VRF Air Conditioning System according to claim 1, it is characterized in that described gas-liquid separator is provided with leakage fluid dram, described liquid Guan Yiduan is communicated with the leakage fluid dram of gas-liquid separator, the other end is communicated with described low pressure tracheae, and the height of described liquid pipe is lower than the height of this leakage fluid dram.
3. modularization VRF Air Conditioning System according to claim 1 is characterized in that each described module also includes cross valve, and four ports of this cross valve are connected with described outdoor heat exchanger, high-pressure air pipe, low pressure tracheae respectively.
4. as modularization VRF Air Conditioning System as described in each in the claim 1 to 3, it is characterized in that each described module comprises two compressors at least, each compressor parallel connects.
5. as modularization VRF Air Conditioning System as described in each in the claim 1 to 3, it is characterized in that, described gas-liquid separator is provided with air inlet and exhaust outlet, and described low pressure tracheae is communicated with the air inlet of gas-liquid separator, and the air entry of described compressor is communicated with the exhaust outlet of gas-liquid separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200611601U CN201449081U (en) | 2009-07-24 | 2009-07-24 | Modularized multi-linking air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200611601U CN201449081U (en) | 2009-07-24 | 2009-07-24 | Modularized multi-linking air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449081U true CN201449081U (en) | 2010-05-05 |
Family
ID=42553802
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200611601U Expired - Lifetime CN201449081U (en) | 2009-07-24 | 2009-07-24 | Modularized multi-linking air conditioning unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449081U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234938A (en) * | 2017-02-01 | 2019-09-13 | Lg电子株式会社 | The outdoor system of air conditioner |
| CN110553418A (en) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调（上海）有限公司 | Multi-connected refrigerator |
-
2009
- 2009-07-24 CN CN2009200611601U patent/CN201449081U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110234938A (en) * | 2017-02-01 | 2019-09-13 | Lg电子株式会社 | The outdoor system of air conditioner |
| US11300337B2 (en) | 2017-02-01 | 2022-04-12 | Lg Electronics Inc. | Outdoor system for air conditioner |
| CN110553418A (en) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调（上海）有限公司 | Multi-connected refrigerator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102645060B (en) | Multi-split air conditioning system | |
| CN101839585B (en) | Solar energy-air source heat pump composite system suitable for microthermal climate | |
| CN102419025B (en) | Two-stage enthalpy-increasing air-conditioning system | |
| CN102620463B (en) | Novel low-temperature strong-heating multi-split system | |
| CN201387176Y (en) | Low-temperature enthalpy-increasing type air conditioner or heat pump water heater | |
| CN201652663U (en) | Heat recovery heat pump air conditioning system | |
| CN201983528U (en) | Multi-connected air conditioner outdoor unit with oil balancing function and air conditioning system | |
| CN202254480U (en) | Multifunctional water-heating air-conditioning system | |
| CN202813592U (en) | Air-conditioning device | |
| CN201122030Y (en) | Multi-connection type thermal pump air conditioner system | |
| CN108775659A (en) | A kind of multi-joint computer-room air conditioning system of heat pipe | |
| CN202692268U (en) | Multi-connected machine modularization system | |
| CN208652782U (en) | A kind of multi-joint computer-room air conditioning system of heat pipe | |
| CN202660807U (en) | Two-stage enthalpy increasing air conditioning system | |
| CN201449081U (en) | Modularized multi-linking air conditioning unit | |
| CN201866995U (en) | Hot water air-conditioning system | |
| CN201876033U (en) | Heat-regeneration refrigerating system with check bridge | |
| CN210772910U (en) | Oil return pipe group of multi-split air conditioning system and multi-split air conditioning system | |
| CN214841173U (en) | Hydraulic module of double-four-way valve multi-connected unit | |
| CN102072531A (en) | Four-pipe type heat recovery multi-split air conditioning system | |
| CN213778222U (en) | Air conditioning system | |
| CN201311128Y (en) | Water source heat pump unit | |
| CN201072264Y (en) | Integral heat reclamation type headwaters heat pump | |
| CN211345916U (en) | Double-air-supply heat pump system | |
| CN103574958A (en) | Multiplex modular system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100505 |