CN202648236U - Variable capacity enthalpy-increasing air conditioning system - Google Patents
Variable capacity enthalpy-increasing air conditioning system Download PDFInfo
- Publication number
- CN202648236U CN202648236U CN 201220158692 CN201220158692U CN202648236U CN 202648236 U CN202648236 U CN 202648236U CN 201220158692 CN201220158692 CN 201220158692 CN 201220158692 U CN201220158692 U CN 201220158692U CN 202648236 U CN202648236 U CN 202648236U
- Authority
- CN
- China
- Prior art keywords
- valve
- heat exchanger
- flash vessel
- refrigeration
- compressor
- 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
- 238000004378 air conditioning Methods 0.000 title claims abstract description 17
- 238000005057 refrigeration Methods 0.000 claims abstract description 27
- 238000010438 heat treatment Methods 0.000 claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 11
- 239000007788 liquid Substances 0.000 abstract description 4
- 238000002347 injection Methods 0.000 abstract 5
- 239000007924 injection Substances 0.000 abstract 5
- 238000010992 reflux Methods 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000009897 systematic effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
Images
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model discloses a variable-capacity enthalpy-increasing air conditioning system, which comprises a compressor, a reflux liquid separator, an outdoor heat exchanger, an indoor heat exchanger, a main expansion valve, an auxiliary expansion valve and a four-way valve; a variable-capacity communicating pipe is connected between the upper port of the reflux liquid distributor and the jet orifice on the compressor, and a first control valve is installed on the variable-capacity communicating pipe; the device also comprises a flash evaporator, an injection pipe, a refrigeration connecting pipe, a heating connecting pipe and a heating one-way valve, wherein the flash evaporator comprises 3 interfaces (A, B, C), and the 3 interfaces (A, B, C) are communicated with each other through an inner cavity of the flash evaporator; an injection pipe is also connected between the injection port on the compressor and the interface A of the flash evaporator, and a second control valve for controlling the on-off of the injection pipe is arranged on the injection pipe; a refrigeration bypass pipe for dredging refrigerants stored in the flash evaporator is further connected between the interface A of the flash evaporator and the interface end of the heating connecting pipe of the outdoor heat exchanger, and a refrigeration one-way valve is arranged on the refrigeration bypass pipe.
Description
[technical field]
The utility model relates to air-conditioning and increases the enthalpy technology, relates in particular to a kind of varying capacity and increases the enthalpy air-conditioning system.
[background technology]
Air-conditioning system is when using varying capacity to increase the enthalpy compressor, and as shown in Figure 1, air-conditioning system can need to increase flash vessel 1, and will be full of refrigerant in the flash vessel 1.Heating when increasing enthalpy, air-conditioning system need to provide a medium pressure gas to be injected in compressor 2 pump housings, and the effect of flash vessel 1 flashes to rapidly gas with the components of system as directed liquid refrigerants exactly, sprays in the pump housing of compressor 2.
But when the air-conditioning system varying capacity freezed, flash vessel 1 was not worked because of the effect that heats check valve 3, the poroid attitude of flash vessel 1 cecutiency, and the liquid storage amount in the flash vessel 1 can not be controlled, and is few when many when causing the systemic circulation refrigerant, causes cold and power swing.
[utility model content]
The utility model solves the problem that varying capacity increases enthalpy system refrigerating capacity and power swing when varying capacity freeze, provides a kind of the dredging to store up that the varying capacity of refrigerant increases the enthalpy air-conditioning system in flash vessel.
In order to realize above-mentioned utility model purpose, the technical solution adopted in the utility model is:
A kind of varying capacity increases the enthalpy air-conditioning system, comprises compressor, backflow knockout, outdoor heat exchanger, indoor heat exchanger, main expansion valve, auxiliary expansion valve and cross valve; Compressor, backflow knockout, outdoor heat exchanger, main expansion valve, auxiliary expansion valve, indoor heat exchanger and cross valve connect by tube connector, be connected with transfiguration communicating pipe between the upper port of described backflow knockout and the jet on the compressor, the first control valve was installed on transfiguration communicating pipe; Also include flash vessel, playpipe, refrigeration tube connector, heat tube connector and heat check valve, described flash vessel comprises 3 interfaces (A, B, C), and 3 interfaces (A, B, C) are interconnected by the flash vessel inner chamber; Be connected with the refrigeration tube connector between the interface B of flash vessel and the indoor heat exchanger, described main expansion valve is arranged on the refrigeration tube connector; Be connected with between the interface C of flash vessel and the outdoor heat exchanger and heat tube connector, described auxiliary expansion valve and heat check valve and be successively set on and heat on the tube connector; Also be connected with playpipe between the interface A of the jet on the compressor and flash vessel, playpipe is provided with the second control valve of its break-make of control; Heating of the interface A of flash vessel and outdoor heat exchanger also is connected with the refrigeration bypass pipe that stores up refrigerant in flash vessel for dredging between the tube connector interface end, the refrigeration bypass pipe is provided with the refrigeration check valve.
Tonifying Qi increased rotary, vortex or the screw compressor of enthalpy in the middle of described compressor adopted.
Described main expansion valve and auxiliary expansion valve is heating power expansion valve or electronic expansion is wealthy.
Described the first control valve and the second control valve are magnetic valve.
The beneficial effects of the utility model are:
The utility model is by the pipeline of Adjustment System, interface A and heating of outdoor heat exchanger at flash vessel are connected with the refrigeration bypass pipe that stores up refrigerant in flash vessel for dredging between the tube connector interface end, the refrigerant of dredging storage in flash vessel, solve the problem that varying capacity increases enthalpy system refrigerating capacity and power swing when varying capacity freezes, effectively improve varying capacity refrigeration efficiency fluctuation problem.
[description of drawings]
Fig. 1 is the systematic schematic diagram of prior art.
Fig. 2 is systematic schematic diagram of the present utility model.
Among the figure:
"------" expression increases the enthalpy pipeline;
" " expression varying capacity pipeline;
Periodic duty during the expression refrigeration flows to;
[specific embodiment]
As shown in Figure 1 to Figure 3, a kind of varying capacity increases the enthalpy air-conditioning system, comprises compressor 4, backflow knockout 5, outdoor heat exchanger (condenser) 6, indoor heat exchanger (evaporimeter) 7, main expansion valve 8, auxiliary expansion valve 9 and cross valve 10; Compressor 4, backflow knockout 5, outdoor heat exchanger 6, main expansion valve 8, auxiliary expansion valve 9, indoor heat exchanger 7 and cross valve 10 connect by tube connector, between the upper port of backflow knockout 5 and the jet 40 on the compressor 4, be connected with transfiguration communicating pipe 11, the first control valve 12 was installed on transfiguration communicating pipe 11; This air-conditioning system also includes flash vessel 13, playpipe 14, refrigeration tube connector 15, heats tube connector 16 and heat check valve 17, described flash vessel 13 comprises 3 interfaces (A, B, C), and 3 interfaces (A, B, C) are interconnected by the flash vessel inner chamber; Be connected with refrigeration tube connector 16 between the interface B of flash vessel 13 and the indoor heat exchanger 7, main expansion valve 8 is arranged on the refrigeration tube connector 16; Be connected with between the interface C of flash vessel 13 and the outdoor heat exchanger 6 and heat tube connector 16, auxiliary expansion valve 9 and heat check valve 17 and be successively set on and heat on the tube connector 16; Also be connected with playpipe 14 between jet 40 on the compressor 4 and the interface A of flash vessel 13, playpipe 14 is provided with the second control valve 18 of its break-make of control; Heating of the interface A of flash vessel 13 and outdoor heat exchanger 6 also is connected with between tube connector 16 interface end for the refrigeration bypass pipe 19 of dredging storage at flash vessel 13 interior refrigerants, and refrigeration bypass pipe 19 is provided with refrigeration check valve 20.
Wherein, tonifying Qi increased rotary, vortex or the screw compressor of enthalpy in the middle of compressor 4 adopted, main expansion valve 8 and auxiliary expansion valve 9 is heating power expansion valve or electronic expansion is wealthy, and the first control valve 12 and the second control valve 18 are magnetic valve.
During work, as shown in Figure 2, under refrigerating state, open the first control valve 12, close the second control valve 18, after compressor 4 exhausts, through outdoor heat exchanger (condenser) 6, gas enters indoor heat exchanger (evaporimeter) 7 through flash vessel 13 throttlings are laggard, the refrigerant of dredging storage flash vessel 13 in, and the solution varying capacity increases enthalpy system refrigerating capacity and power swing when varying capacity freezes.Owing to heat to be equipped with on the tube connector 16 and heat check valve 17, refrigeration bypass pipe 19 is provided with refrigeration check valve 20, so that this system has single current to effect, does not affect and heats the flash vessel 13 that increases enthalpy.
The above embodiment for preferred embodiment of the present utility model, is not to limit practical range of the present utility model with this just, and the equivalence that all shapes according to the utility model, structure and principle are done changes, and all should be covered by in the protection domain of the present utility model.
Claims (4)
1. a varying capacity increases the enthalpy air-conditioning system, comprise compressor, backflow knockout, outdoor heat exchanger, indoor heat exchanger, main expansion valve, auxiliary expansion valve and cross valve, compressor, backflow knockout, outdoor heat exchanger, main expansion valve, auxiliary expansion valve, indoor heat exchanger and cross valve connect by tube connector, be connected with transfiguration communicating pipe between the upper port of described backflow knockout and the jet on the compressor, the first control valve was installed on transfiguration communicating pipe; It is characterized in that:
Also include flash vessel, playpipe, refrigeration tube connector, heat tube connector and heat check valve, described flash vessel comprises 3 interfaces (A, B, C), and 3 interfaces (A, B, C) are interconnected by the flash vessel inner chamber;
Be connected with the refrigeration tube connector between the interface B of flash vessel and the indoor heat exchanger, described main expansion valve is arranged on the refrigeration tube connector;
Be connected with between the interface C of flash vessel and the outdoor heat exchanger and heat tube connector, described auxiliary expansion valve and heat check valve and be successively set on and heat on the tube connector;
Also be connected with playpipe between the interface A of the jet on the compressor and flash vessel, playpipe is provided with the second control valve of its break-make of control;
Heating of the interface A of flash vessel and outdoor heat exchanger also is connected with the refrigeration bypass pipe that stores up refrigerant in flash vessel for dredging between the tube connector interface end, the refrigeration bypass pipe is provided with the refrigeration check valve.
2. varying capacity according to claim 1 increases the enthalpy air-conditioning system, it is characterized in that, tonifying Qi increased rotary, vortex or the screw compressor of enthalpy in the middle of described compressor adopted.
3. varying capacity according to claim 1 increases the enthalpy air-conditioning system, it is characterized in that, described main expansion valve and auxiliary expansion valve is heating power expansion valve or electronic expansion is wealthy.
4. varying capacity according to claim 1 increases the enthalpy air-conditioning system, it is characterized in that, described the first control valve and the second control valve are magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158692 CN202648236U (en) | 2012-04-13 | 2012-04-13 | Variable capacity enthalpy-increasing air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220158692 CN202648236U (en) | 2012-04-13 | 2012-04-13 | Variable capacity enthalpy-increasing air conditioning system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202648236U true CN202648236U (en) | 2013-01-02 |
Family
ID=47417334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220158692 Expired - Lifetime CN202648236U (en) | 2012-04-13 | 2012-04-13 | Variable capacity enthalpy-increasing air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202648236U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014177059A1 (en) * | 2013-05-03 | 2014-11-06 | 珠海格力电器股份有限公司 | Dual-stage enthalpy-increasing air-conditioning system |
| CN104712558A (en) * | 2013-12-12 | 2015-06-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor assembly and air conditioner having the same |
| CN105247297A (en) * | 2013-05-20 | 2016-01-13 | 三电控股株式会社 | Vehicle air conditioner |
| CN105422429A (en) * | 2016-01-04 | 2016-03-23 | 珠海格力电器股份有限公司 | Control method and control system of variable-capacity compressor and air conditioner |
| CN105593615A (en) * | 2013-10-25 | 2016-05-18 | 大金工业株式会社 | Refrigeration device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
-
2012
- 2012-04-13 CN CN 201220158692 patent/CN202648236U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014177059A1 (en) * | 2013-05-03 | 2014-11-06 | 珠海格力电器股份有限公司 | Dual-stage enthalpy-increasing air-conditioning system |
| US20160102892A1 (en) * | 2013-05-03 | 2016-04-14 | Gree Electric Applicances, Inc. of ZHUHAI | Dual-stage enthalpy-increasing air-conditioning system |
| US9803894B2 (en) * | 2013-05-03 | 2017-10-31 | Gree Electric Appliances, Inc. Of Zhuhai | Dual-stage enthalpy-increasing air-conditioning system |
| CN105247297A (en) * | 2013-05-20 | 2016-01-13 | 三电控股株式会社 | Vehicle air conditioner |
| CN105247297B (en) * | 2013-05-20 | 2018-12-21 | 三电控股株式会社 | Air conditioner for motor vehicle |
| CN105593615A (en) * | 2013-10-25 | 2016-05-18 | 大金工业株式会社 | Refrigeration device |
| CN104712558A (en) * | 2013-12-12 | 2015-06-17 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotary compressor assembly and air conditioner having the same |
| CN105422429A (en) * | 2016-01-04 | 2016-03-23 | 珠海格力电器股份有限公司 | Control method and control system of variable-capacity compressor and air conditioner |
| US11254183B2 (en) | 2017-08-25 | 2022-02-22 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US11919363B2 (en) | 2017-08-25 | 2024-03-05 | Dometic Sweden Ab | Recreational vehicle, cooling device, controlling system and method for controlling the cooling device |
| US10941955B2 (en) | 2017-10-27 | 2021-03-09 | Dometic Sweden Ab | Systems, methods, and apparatuses for providing communications between climate control devices in a recreational vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202648236U (en) | Variable capacity enthalpy-increasing air conditioning system | |
| CN102419025B (en) | Double-stage enthalpy-increasing air conditioning system | |
| CN203010777U (en) | Dual-refrigeration-cycle energy-saving air conditioning unit | |
| CN202813914U (en) | Ultralow-temperature air source heat pump unit system | |
| CN204063300U (en) | A kind of soil composite type variable refrigerant flow aircondition | |
| CN203908097U (en) | Enhanced vapor injection air conditioner | |
| CN203385257U (en) | Pump starting control system and refrigeration system | |
| CN201488418U (en) | Defrosting structure of air source heat pump water heater | |
| CN103234301B (en) | Air conditioner heat exchange system and control method thereof | |
| CN201463395U (en) | Two-stage compressed air source heat pump system with air supplement function | |
| CN202660807U (en) | Double-stage enthalpy-increasing air conditioning system | |
| CN103185419A (en) | Ice slurry cold water heat pump unit | |
| CN105423620A (en) | Efficient large temperature rise two-stage throttling intercooling heat pump water heater | |
| CN208901671U (en) | A kind of low-temperature air source heat pump unit | |
| CN204593944U (en) | A kind of air conditioner outdoor unit system with supercooling apparatus | |
| CN103868281B (en) | A kind of single/double stage compresses switchable tri-generation system of ground-source heat pump | |
| CN203323282U (en) | Heat pump water heater air conditioner | |
| CN104251581A (en) | Pump start control method, pump start control device, pump start control system and refrigerating system | |
| CN203657262U (en) | Air conditioner | |
| CN202057113U (en) | Heat pump unit and comprehensive energy-saving system | |
| CN201081467Y (en) | Throttle device for heat pump unit | |
| CN203274339U (en) | Refrigerating unit special for single-medium step cooling in chemical industry | |
| CN203274351U (en) | Ice slurry cold water heat pump unit | |
| CN203224076U (en) | Refrigeration system with low consumption and high efficiency | |
| CN202267274U (en) | Ultralow-temperature air source heat pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130102 |
|
| CX01 | Expiry of patent term |