CN105135553A - Multiple-on-line system and method for enhancing supercooling degree of multiple-on-line system - Google Patents
Multiple-on-line system and method for enhancing supercooling degree of multiple-on-line system Download PDFInfo
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- CN105135553A CN105135553A CN201510679978.XA CN201510679978A CN105135553A CN 105135553 A CN105135553 A CN 105135553A CN 201510679978 A CN201510679978 A CN 201510679978A CN 105135553 A CN105135553 A CN 105135553A
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- Prior art keywords
- magnetic valve
- line system
- heat
- exchanger rig
- close
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F3/00—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
- F24F3/06—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units
- F24F3/065—Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the arrangements for the supply of heat-exchange fluid for the subsequent treatment of primary air in the room units with a plurality of evaporators or condensers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/30—Arrangement or mounting of heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The embodiment of the invention provides a multiple-on-line system and a method for enhancing supercooling degree of the multiple-on-line system. The method is used for utilizing refrigeration capacity of a coolant which is not completely evaporated in the multiple-on-line system, thereby achieving the effects of energy saving and high efficiency of the system. The technical scheme of the embodiment of the invention is as follows: a heat exchanger is arranged inside a gas-liquid separator; one end of the heat exchanger is connected with a condenser through a first solenoid valve; the other end of the heat exchanger is connected with an evaporator through a second solenoid valve; and the multiple-on-line system also comprises a third solenoid valve which is connected with the first solenoid valve and second solenoid valve in parallel.
Description
Technical field
The embodiment of the present invention relates to household electrical appliance technical field, particularly relates to the method for the degree of supercooling of a kind of multiple on-line system and increase multiple on-line system.
Background technology
Multi-online air-conditioning system is within air-conditioning systems, by controlling the circulating mass of refrigerant of compressor and entering the refrigerant flow of indoor heat exchanger, in time meets the high efficiency air-conditioning system of indoor cooling and heating load requirement.
Multi-online air-conditioning system need adopt frequency-changeable compressor, compound compressor, unloading compressor or multiple compressors combination to realize compressor capacity and control, need in refrigeration systems to arrange electric expansion valve or other subsidiary loop, to regulate the refrigerant flow entering indoor set; Amassed by the rotation speed of the fan of control room internal-external heat exchanger device, regulate the ability of heat exchanger.
The defect of prior art is, after refrigerant evaporates in evaporimeter, just gets back in the gas-liquid separator of system, then return compressor, enter next circulation, system can not accomplish to evaporate completely and distributed uniform, the part cold of system will certainly be wasted, increase the power consumption that system is unnecessary.
Summary of the invention
The embodiment of the present invention provides the method for the degree of supercooling of a kind of multiple on-line system and increase multiple on-line system, for the refrigerant cryogenic energy utilization will do not evaporated completely in multiple on-line system, acts on efficiently to reach energy saving of system.
The technical scheme of the embodiment of the present invention comprises:
The inside of described gas-liquid separator is provided with heat-exchanger rig, and one end of described heat-exchanger rig is connected by the first magnetic valve with condenser; The other end of described heat-exchanger rig is connected by the second magnetic valve with evaporimeter; Described multiple on-line system also comprises the 3rd magnetic valve, and described 3rd magnetic valve and described first magnetic valve, the second magnetic valve are connected in parallel.
Preferably,
Described heat-exchanger rig is heat exchanger tube.
Preferably,
The blast pipe of the compressor of described multiple on-line system is provided with high-voltage switch gear and high pressure sensor.
Preferably,
The air inlet pipe of described compressor is provided with low tension switch and low pressure sensor.
The embodiment of the present invention also provides a kind of method increasing the degree of supercooling of multiple on-line system, comprising:
Detect the operating mode of multiple on-line system, judge described work condition state, if large cold operating mode, then close the first magnetic valve, the second magnetic valve, open the 3rd magnetic valve.
Preferably,
If described work condition state is little cold operating mode, then open the first magnetic valve, the second magnetic valve, close the 3rd magnetic valve.
Preferably,
If described work condition state is little thermal condition, then open the first magnetic valve, the second magnetic valve, close the 3rd magnetic valve.
Preferably,
If described work condition state is large thermal condition, then close the first magnetic valve, the second magnetic valve, open the 3rd magnetic valve.
The beneficial effect of employing technique scheme is:
The inside of the gas-liquid separator of this multiple on-line system is provided with heat-exchanger rig, and one end of heat-exchanger rig is connected by the first magnetic valve with condenser; The other end of heat-exchanger rig is connected by the second magnetic valve with evaporimeter; Multiple on-line system also comprises the 3rd magnetic valve, 3rd magnetic valve and described first magnetic valve, the second magnetic valve are connected in parallel, first magnetic valve, the second magnetic valve, the 3rd magnetic valve perform on-off action, by arranging these two articles of pipelines of the first magnetic valve, heat-exchanger rig, the second magnetic valve and the 3rd magnetic valve, the refrigerant cryogenic energy utilization that can will not evaporate completely in multiple on-line system under different operating mode, acts on efficiently to reach energy saving of system.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structure chart of a kind of multiple on-line system of the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, the technical scheme of a kind of multiple on-line system of the embodiment of the present invention is:
Gas-liquid separator 9, the inside of gas-liquid separator is provided with heat-exchanger rig 11, heat-exchanger rig 11 one end is connected with condenser 7, the other end of heat-exchanger rig 11 is connected with evaporimeter 18, the first magnetic valve 10 is provided with between heat-exchanger rig 11 and condenser 7, be provided with the second magnetic valve 13, first magnetic valve 12 between heat-exchanger rig 11 and evaporimeter 18, heat-exchanger rig 11, second magnetic valve 13 is series connection; This multiple on-line system also comprises the 3rd magnetic valve 12,3rd magnetic valve 12 is positioned at the outside of gas-liquid separator 9,3rd magnetic valve 12 and the first magnetic valve 10, heat-exchanger rig 11, second magnetic valve 13 are in parallel, namely 12 one end of the 3rd magnetic valve are also connected with condenser 7, and the other end is also connected with evaporimeter 18.
Preferably, this heat-exchanger rig 11 can be heat exchanger tube, and this heat-exchanger rig 11 is positioned at the inside of gas-liquid separator 9 and is placed on the bottom of gas-liquid separator 9.
Adopt the multiple on-line system of technique scheme, in the inside of gas-liquid separator 9, heat-exchanger rig 11 is set, this heat-exchanger rig 11 is placed on bottom gas-liquid separator, inlet/outlet pipe caliber and condensation after collaborating total caliber identical, first magnetic valve 10, second magnetic valve 13 is respectively set at inlet/outlet pipe two ends; Then at the pipeline that gas-liquid separator 9 parallel connection outside one tunnel is identical with condensation collecting fitting size, increase the 3rd magnetic valve 12, first magnetic valve 11, second magnetic valve 13, the 3rd magnetic valve 12 in the middle of pipeline and perform on-off action.
It should be noted that, except above-mentioned parts, above-mentioned multiple on-line system specifically also comprises compressor 1, high-voltage switch gear 2, high pressure sensor 3, gs-oil separator 4, low tension switch 5, low pressure sensor 6, condenser 7, defrosting magnetic valve 8, gas-liquid separator 9, Liquid injection cooling magnetic valve 14, high-pressure stop valve 15, oily balance stop valve 16, low-pressure shutoff valve 17, high pressure sensor 3 and high-voltage switch gear 2 are positioned on the blast pipe of compressor 1 of many coupled systems, low tension switch 5 and low pressure sensor 6 are positioned in the air inlet pipe of compressor 1, specifically do not repeat.
The embodiment of the present invention also provides a kind of method increasing the degree of supercooling of multiple on-line system, specifically comprises:
Detect the operating mode of multiple on-line system, and judge work condition state, if large cold operating mode, large cold operating mode can normally be freezed under severe running environment, as outdoor temperature reaches more than 38 DEG C (such as 38 DEG C, 42 DEG C, 48 DEG C), when the work condition state of multiple on-line system is large cold operating mode, because outside heat transfer effect is poor, indoor heat transfer effect is relatively good, then close the first magnetic valve 10, second magnetic valve 13, open the 3rd magnetic valve 12, prevent press excessive discharge temperature, now can not increase system degree of supercooling.
Can also be:
When the work condition state of multiple on-line system is little cold operating mode, little cold operating mode is refrigerating operaton under underload environment, if outdoor temperature can be 27 DEG C or 19 DEG C or 12 DEG C, indoor temperature is 21 DEG C, then indoor heat transfer effect is poor, now can store unevaporated liquid refrigerants in the gas-liquid separator of system, now open the first magnetic valve 10, second magnetic valve 13, close the 3rd magnetic valve 12, there is the larger temperature difference in the liquid refrigerants of outside in condensed refrigerant and gas-liquid separator 9, thus carry out heat exchange, reach the object of increase system degree of supercooling, liquid can also be returned by anti-locking system simultaneously, the security of increase system.
Can also be:
When the work condition state of multiple on-line system is little thermal condition, little thermal condition is that heating operation is normal at low ambient temperatures, if outdoor temperature is 0 DEG C or-5 DEG C, indoor temperature is 20 DEG C, then outside heat transfer effect is poor, indoor good effect of heat exchange, then open the first magnetic valve 10, second magnetic valve 13, close the 3rd magnetic valve 12, return-air refrigerant can be heated, there is certain promotion to anti-non-return liquid, increase the security of system.
Can also be:
When the work condition state of multiple on-line system is large thermal condition, large thermal condition for can normally heat under severe running environment, if outdoor temperature is 15 DEG C or 22 DEG C or 24 DEG C, indoor temperature is 27 DEG C, then outside good effect of heat exchange, indoor heat transfer effect are poor, then close the first magnetic valve 10, second magnetic valve 13, open the 3rd magnetic valve 12, prevent press excessive discharge temperature.
Above to invention has been detailed introduction, for one of ordinary skill in the art, according to the thought of the embodiment of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a multiple on-line system, is characterized in that, the inside of described gas-liquid separator is provided with heat-exchanger rig, and one end of described heat-exchanger rig is connected by the first magnetic valve with condenser; The other end of described heat-exchanger rig is connected by the second magnetic valve with evaporimeter; Described multiple on-line system also comprises the 3rd magnetic valve, and described 3rd magnetic valve and described first magnetic valve, the second magnetic valve are connected in parallel.
2. multiple on-line system according to claim 1, is characterized in that, described heat-exchanger rig is heat exchanger tube.
3. multiple on-line system according to claim 1, is characterized in that, the blast pipe of the compressor of described multiple on-line system is provided with high-voltage switch gear and high pressure sensor.
4. multiple on-line system according to claim 3, is characterized in that, the air inlet pipe of described compressor is provided with low tension switch and low pressure sensor.
5. increased a method for degree of supercooling by the multiple on-line system according to any one of Claims 1-4, it is characterized in that, comprising:
Detect the operating mode of multiple on-line system, judge described work condition state, if large cold operating mode, then close the first magnetic valve, the second magnetic valve, open the 3rd magnetic valve.
6. method according to claim 5, is characterized in that, also comprises:
If described work condition state is little cold operating mode, then open the first magnetic valve, the second magnetic valve, close the 3rd magnetic valve.
7. method according to claim 5, is characterized in that, also comprises:
If described work condition state is little thermal condition, then open the first magnetic valve, the second magnetic valve, close the 3rd magnetic valve.
8. method according to claim 5, is characterized in that, also comprises:
If described work condition state is large thermal condition, then close the first magnetic valve, the second magnetic valve, open the 3rd magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679978.XA CN105135553A (en) | 2015-10-19 | 2015-10-19 | Multiple-on-line system and method for enhancing supercooling degree of multiple-on-line system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510679978.XA CN105135553A (en) | 2015-10-19 | 2015-10-19 | Multiple-on-line system and method for enhancing supercooling degree of multiple-on-line system |
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| Publication Number | Publication Date |
|---|---|
| CN105135553A true CN105135553A (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510679978.XA Pending CN105135553A (en) | 2015-10-19 | 2015-10-19 | Multiple-on-line system and method for enhancing supercooling degree of multiple-on-line system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196367A (en) * | 2016-07-15 | 2016-12-07 | 珠海格力电器股份有限公司 | A kind of air conditioning system with cold-working gas-liquid separator again and control method thereof |
| CN107356028A (en) * | 2017-09-07 | 2017-11-17 | 广东纽恩泰新能源科技发展有限公司 | A kind of gas-liquid separator and heat pump circulating system |
| CN107388628A (en) * | 2017-09-12 | 2017-11-24 | 广东纽恩泰新能源科技发展有限公司 | A kind of heat pump circulating system suitable for low temperature environment |
| CN109028514A (en) * | 2018-07-20 | 2018-12-18 | 广东美的制冷设备有限公司 | Recognition methods, air-conditioning and the computer readable storage medium of sensor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114794U (en) * | 1992-02-22 | 1992-09-02 | 潘启川 | Dry filter with gas liquid separating function |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN203375761U (en) * | 2013-05-31 | 2014-01-01 | 广东美的暖通设备有限公司 | Air conditioner |
| CN203518368U (en) * | 2013-10-23 | 2014-04-02 | 珠海格力电器股份有限公司 | Cooling system preventing compressor from being operated with liquid |
-
2015
- 2015-10-19 CN CN201510679978.XA patent/CN105135553A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2114794U (en) * | 1992-02-22 | 1992-09-02 | 潘启川 | Dry filter with gas liquid separating function |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN203375761U (en) * | 2013-05-31 | 2014-01-01 | 广东美的暖通设备有限公司 | Air conditioner |
| CN203518368U (en) * | 2013-10-23 | 2014-04-02 | 珠海格力电器股份有限公司 | Cooling system preventing compressor from being operated with liquid |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106196367A (en) * | 2016-07-15 | 2016-12-07 | 珠海格力电器股份有限公司 | A kind of air conditioning system with cold-working gas-liquid separator again and control method thereof |
| CN106196367B (en) * | 2016-07-15 | 2019-08-20 | 珠海格力电器股份有限公司 | A kind of air-conditioning system and its control method with cold-working gas-liquid separator again |
| CN107356028A (en) * | 2017-09-07 | 2017-11-17 | 广东纽恩泰新能源科技发展有限公司 | A kind of gas-liquid separator and heat pump circulating system |
| CN107388628A (en) * | 2017-09-12 | 2017-11-24 | 广东纽恩泰新能源科技发展有限公司 | A kind of heat pump circulating system suitable for low temperature environment |
| CN109028514A (en) * | 2018-07-20 | 2018-12-18 | 广东美的制冷设备有限公司 | Recognition methods, air-conditioning and the computer readable storage medium of sensor |
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Application publication date: 20151209 |