CN104654666A - Outdoor unit module of multiple on-line system and multiple on-line system provided with same - Google Patents
Outdoor unit module of multiple on-line system and multiple on-line system provided with same Download PDFInfo
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- CN104654666A CN104654666A CN201310604301.0A CN201310604301A CN104654666A CN 104654666 A CN104654666 A CN 104654666A CN 201310604301 A CN201310604301 A CN 201310604301A CN 104654666 A CN104654666 A CN 104654666A
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- oil
- outdoor unit
- line system
- unit modules
- gaseous coolant
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- 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
- F25B31/00—Compressor arrangements
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- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Other Air-Conditioning Systems (AREA)
Abstract
The invention provides an outdoor unit module of a multiple on-line system and the multiple on-line system provided with the same. The outdoor unit module of the multiple on-line system comprises an outdoor unit heat exchanger, a liquid refrigerant circulating branch pipe connected with the outdoor unit heat exchanger, a compressor, a gaseous refrigerant circulating direction control device connected with the outdoor unit heat exchanger and an oil separator, wherein a refrigerant outlet of the oil separator is connected with the gaseous refrigerant circulating direction control device, and an exhaust port of the compressor is connected with a refrigerant inlet of the oil separator. The outdoor unit module further comprises an oil uniformizing pipe, wherein the first end of the oil uniformizing pipe is connected with a frozen oil outlet of the oil separator, the second end of the oil uniformizing pipe is connected to the liquid refrigerant circulating branch pipe. By means of the technical scheme, oil uniformizing is achieved by utilizing self pressure difference, and the outdoor unit module is simpler in structure compared with the prior art.
Description
Technical field
The present invention relates to changing device technical field, in particular to a kind of multiple on-line system outdoor unit modules and there is its multiple on-line system.
Background technology
At present, in multiple on-line system, during compressor operating, can continuously must be forced out together with cold-producing medium from cylinder and enter in oil eliminator by some refrigeration oil, then complete average mark oil by oil-balancing system.Multiple on-line system has referred to one or more outdoor unit modules and has connected one or more indoor set module.Outdoor unit modules mainly comprises the connecting pipe of compressor, oil eliminator, outdoor unit heat exchanger, cross valve and necessity, and indoor set module mainly comprises indoor set heat exchanger.Outdoor unit modules is by drain pipeline and guide pipeline and indoor set model calling.Cross valve is connected with oil eliminator, outdoor unit heat exchanger and indoor set heat exchanger respectively, and cross valve is for changing the flow direction of gaseous coolant to realize the conversion freezed and heat.When multiple outdoor unit modules is arranged in parallel, when multiple indoor set wired in parallel is arranged, oil balance between multiple outdoor unit modules relies on oil-balancing system to realize, when refrigeration oil can not return the outdoor unit modules of oil starvation continuously, be bound to the compressor caused in the outdoor unit modules of oil starvation pasta decline, until refrigeration oil is exhausted, occur that compressor oil starvation burns phenomenon.So ensure that reliable, the average each outdoor unit modules that is assigned to of refrigeration oil is one of most important problem in multiple on-line system design.At present, the way generally adopted is, for multiplex system, when multiple outdoor unit modules is arranged in parallel, draw an oil balance tube from the oil eliminator bottom of each off-premises station, each oil balance tube is connected to each other again, forms a closed oil circuit, for intrasystem refrigeration oil is evenly distributed in the off-premises station of oil starvation, each oil balance tube needs arrange equal fuel tap, check valve, filter and capillary.Said structure is complicated, in addition, each oil equalizing pipe belongs to external mode, that is, is arranged between each outdoor unit modules, instead of be positioned at the inside of each outdoor unit modules, because of project installation with when running, the external factor such as personnel and nature, cause damage to the outdoor unit modules of multiple on-line system, as external oil equalizing pipe is easily subject to the collision of personnel, and cause system leakage etc.
Summary of the invention
It is simple and have the outdoor unit modules of the multiple on-line system of equal oily effect and have its multiple on-line system that the present invention aims to provide a kind of structure.
To achieve these goals, according to an aspect of the present invention, provide a kind of outdoor unit modules of multiple on-line system, comprising: outdoor unit heat exchanger; Liquid refrigerants circulation arm, is connected with outdoor unit heat exchanger; Compressor; Gaseous coolant circulating direction control device, is connected with outdoor unit heat exchanger; Oil eliminator, the refrigerant exit of oil eliminator is connected with gaseous coolant circulating direction control device by gaseous coolant circulation arm, and the outlet of compressor is connected with the refrigerant import of oil eliminator; Outdoor unit modules also comprises oil equalizing pipe, and the first end of oil equalizing pipe exports with the refrigeration oil of oil eliminator and is connected, and the second end of oil equalizing pipe is connected on gaseous coolant circulation arm.
Further, the refrigeration oil outlet of oil eliminator is positioned at the lower end of this oil eliminator.
Further, oil equalizing pipe is provided with equal fuel tap.
Further, the outdoor unit modules of multiple on-line system of the present invention also comprises: only allow the first check valve that fluid flows from oil eliminator to gaseous coolant circulating direction control device, be arranged on oil equalizing pipe.
Further, the outdoor unit modules of multiple on-line system of the present invention also comprises: only allow the second check valve that fluid flows from oil eliminator to gaseous coolant circulating direction control device, second check valve is arranged on gaseous coolant circulation arm, and the second check valve is between oil eliminator and the second end of oil equalizing pipe.
Further, the outdoor unit modules of multiple on-line system of the present invention also comprises: gas-liquid separator, be connected with gaseous coolant circulating direction control device, gas-liquid separator is connected with compressor by tube connector, and gas-liquid separator is between gaseous coolant circulating direction control device and compressor; Oil return pipe, the first end of oil return pipe exports with the refrigeration oil of oil eliminator and is connected, and the second end of oil return pipe is connected on tube connector; Oil return valve, is arranged on oil return pipe.
Further, the outdoor unit modules of multiple on-line system of the present invention also comprises: oil return capillary, is arranged on oil return pipe.
Further, the outdoor unit modules of multiple on-line system of the present invention also comprises: oil fuel tube, and one end is connected on oil eliminator, and oil fuel tube is provided with fuel feeding valve.
Further, compressor and oil eliminator are multiple, and multiple compressor and multiple oil eliminator connect one to one, and oil equalizing pipe is connected with multiple oil eliminator respectively, and oil equalizing pipe is provided with oil balancer.
According to a further aspect in the invention, provide a kind of multiple on-line system, comprising: the multiple outdoor unit modules be arranged in parallel; The multiple indoor set modules be arranged in parallel, arbitrary indoor set module is connected with arbitrary outdoor unit modules by liquid refrigerants runner pipe and gaseous coolant runner pipe, and outdoor unit modules is the outdoor unit modules of above-mentioned multiple on-line system.
Apply technical scheme of the present invention, when outdoor unit modules is in operation, compressor is in starting state, high pressure is formed fast in each oil eliminator, the pressure of liquid refrigerants is greater than the pressure of gaseous coolant, oil eliminator is connected by oil equalizing pipe and the gaseous coolant arm that circulates, by outdoor unit modules self pressure difference that formed of multiple on-line system, by in the refrigeration oil press-in gaseous coolant circulation arm in oil eliminator, and flow in the indoor set heat exchanger of indoor set module with the gaseous coolant in gaseous coolant circulation arm through gaseous coolant circulating direction control device, because the pressure of the outdoor unit modules of oil starvation is smaller, by the connecting line of indoor set heat exchanger and compressor in each outdoor unit modules refrigeration oil is assigned in the compressor of relative oil starvation and goes (that is refrigeration oil being assigned to the outdoor unit modules of relative oil starvation), thus play equal oily effect.As the above analysis, the outdoor unit modules of multiple on-line system of the present invention utilizes the pressure difference of self to realize all oil, and in structure, hinge structure is fairly simple.
Accompanying drawing explanation
The Figure of description forming a application's part is used to provide a further understanding of the present invention, and schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 shows the structural representation of the embodiment of the outdoor unit modules according to multiple on-line system of the present invention; And
Fig. 2 shows the structural representation of the embodiment according to multiple on-line system of the present invention.
Wherein, the accompanying drawing in above-mentioned figure is as follows:
1, outdoor unit modules; 2, indoor set module; 3, liquid refrigerants runner pipe; 4, gaseous coolant runner pipe; 10, outdoor unit heat exchanger; 11, liquid refrigerants circulation arm; 12, electric expansion valve; 13, subcooler; 14, the 3rd check valve; 15, the first filter; 16, the second check valve; 17, pressure sensor; 18, gaseous coolant circulating direction control device; 19, gaseous coolant circulation arm; 21, compressor; 22, oil eliminator; 23, oil equalizing pipe; 24, equal fuel tap; 25, the first check valve; 26, oil fuel tube; 27, fuel feeding valve; 30, gas-liquid separator; 31, tube connector; 32, oil return pipe; 33, oil return valve; 34, oil return capillary.
Detailed description of the invention
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment comprises outdoor unit heat exchanger 10, liquid refrigerants circulation arm 11, compressor 21, gaseous coolant circulating direction control device 18, oil eliminator 22 and oil equalizing pipe 23.Liquid refrigerants circulation arm 11 is connected with outdoor unit heat exchanger 10.Liquid refrigerants circulation arm 11 belongs to a part for the liquid refrigerants runner pipe that outdoor unit heat exchanger 10 is connected with indoor set heat exchanger, outdoor unit heat exchanger 10 and the direct liquid refrigerants runner pipe of indoor set heat exchanger only circulate the refrigerant of post liquefaction, when freezing, outdoor unit heat exchanger 10 serves as condenser, and indoor set heat exchanger serves as evaporimeter; When heating, outdoor unit heat exchanger 10 serves as evaporimeter, and indoor set heat exchanger serves as condenser.Gaseous coolant circulating direction control device 18 is connected with outdoor unit heat exchanger 10, and outdoor unit heat exchanger 10 is between liquid refrigerants circulation arm 11 and gaseous coolant circulating direction control device 18, and gaseous coolant circulating direction control device 18 is preferably cross valve.In addition, gaseous coolant circulating direction control device 18 is also connected with indoor set heat exchanger, and gaseous coolant circulating direction control device 18 is for changing the flow direction of gaseous coolant to realize the conversion freezed and heat.The refrigerant exit of oil eliminator 22 is by being connected with gaseous coolant circulating direction control device 18 by gaseous coolant circulation arm 19, the outlet of compressor 21 is connected with the refrigerant import of oil eliminator 22, the first end of oil equalizing pipe 23 exports with the refrigeration oil of oil eliminator 22 and is connected, and the second end of oil equalizing pipe 23 is connected on gaseous coolant circulation arm 19.The quantity of compressor 21 and oil eliminator 22 can be one also can be multiple, the quantity of oil equalizing pipe 23 and the quantity of oil eliminator 22 can equal also can be unequal, oil eliminator 22 is connected with at least one compressor 21, multiple compressor 21 is connected in parallel to each other setting, and multiple oil eliminator 22 is connected in parallel to each other setting.
The outdoor unit modules of the multiple on-line system of application the present embodiment, when outdoor unit modules is in operation, compressor is in starting state, high pressure is formed fast in each oil eliminator 22, the pressure of liquid refrigerants is greater than the pressure of gaseous coolant, oil eliminator 22 is connected by oil equalizing pipe 23 and the gaseous coolant arm 19 that circulates, by outdoor unit modules self pressure difference that formed of multiple on-line system, by in the refrigeration oil press-in gaseous coolant circulation arm 19 in oil eliminator 22, and flow in the indoor set heat exchanger of indoor set module with the gaseous coolant in gaseous coolant circulation arm 19 through gaseous coolant circulating direction control device 18, because the pressure of the outdoor unit modules of oil starvation is smaller, by the connecting line of indoor set heat exchanger and compressor 21 in each outdoor unit modules refrigeration oil is assigned in the compressor 21 of relative oil starvation and goes (that is refrigeration oil being assigned to the outdoor unit modules of relative oil starvation), thus play equal oily effect.As the above analysis, the outdoor unit modules of the multiple on-line system of the present embodiment utilizes the pressure difference of self to realize all oil, and in structure, hinge structure is fairly simple.In addition, the oil equalizing pipe 23 of the outdoor unit modules of the multiple on-line system of the present embodiment belongs to built-in mode, can effectively avoid oil equalizing pipe 23 to be easily subject to the collision of personnel, and causes the situation topics such as system leakage.Again, can adjust according to the pressure differential of itself and gaseous coolant the oil mass entering gaseous coolant and circulate in arm 19 by the isolated refrigeration oil of oil eliminator 22, refrigeration oil all can not enter gaseous coolant circulation arm 19, that is, the isolated refrigeration oil of oil eliminator 22 can not all enter outdoor unit heat exchanger 10, outdoor unit heat exchanger 10 overload can not be caused, affect the normal use of outdoor unit heat exchanger 10.
In the present embodiment, the refrigeration oil outlet of oil eliminator 22 is positioned at the lower end of this oil eliminator 22.Like this, can be easier by refrigeration oil press-in gaseous coolant circulation arm 19 in oil eliminator 22, and in oil eliminator 22, refrigeration oil is all likely pressed in gaseous coolant circulation arm 19, improves the utilization rate of refrigeration oil.
As shown in Figure 1, in the present embodiment, oil equalizing pipe 23 is provided with equal fuel tap 24.Equal fuel tap 24 is used for realizing the break-make of oil equalizing pipe 23.After outdoor unit modules receives all oil orders, equal fuel tap 24 will be in opening, now, due to the unlatching of equal fuel tap 24, oil eliminator 22 and the gaseous coolant arm 19 that circulates forms path, refrigeration oil can enter in gaseous coolant circulation arm 19 smoothly, and flows to outdoor unit heat exchanger 10 or indoor set heat exchanger with the gaseous coolant in gaseous coolant circulation arm 19.
As shown in Figure 1, also comprise at the outdoor unit modules of the multiple on-line system of the present embodiment the first check valve 25, first check valve 25 that only permission fluid flows from oil eliminator 22 to gaseous coolant circulating direction control device 18 to be arranged on oil equalizing pipe 23.Mixture that first check valve 25 can prevent from flowing to refrigeration oil in gaseous coolant circulation arm 19 and gaseous coolant is set by refrigeration oil outlet return in oil equalizing pipe 23.
As shown in Figure 1, the second check valve 16 only allowing fluid to flow from oil eliminator 22 to gaseous coolant circulating direction control device 18 is also comprised at the outdoor unit modules of the multiple on-line system of the present embodiment, second check valve 16 is arranged on gaseous coolant circulation arm 19, and the second check valve 16 is between oil eliminator 22 and the second end of oil equalizing pipe 23.Arrange the mixture that the second check valve 16 can prevent from flowing to refrigeration oil in gaseous coolant circulation arm 19 and gaseous coolant to be back in oil equalizing pipe 23 by refrigerant exit.
As shown in Figure 1, also comprise pressure sensor 17 at the outdoor unit modules of the multiple on-line system of the present embodiment, pressure sensor 17 is arranged on gaseous coolant circulation arm 19, and pressure sensor 17 is between oil eliminator 22 and the second end of oil equalizing pipe 23.The pressure of the gaseous coolant of effluent oil separator 22 can be learnt by pressure sensor 17, and then analyze this pressure whether can make refrigeration oil flow into gaseous coolant circulation arm 19 in, and then can avoid refrigeration oil cannot flow into gaseous coolant circulation arm 19 situation.
As shown in Figure 1, in the present embodiment, liquid refrigerants circulation arm 11 is provided with the 3rd check valve the 14, three check valve 14 of electric expansion valve 12 and the liquid refrigerants that only allows conducting to flow out from outdoor unit heat exchanger 10 and the liquid refrigerants arm 11 that circulates to be communicated with and in parallel with electric expansion valve 12.Multiple outdoor unit modules is in parallel and when freezing, the 3rd check valve 14 can prevent liquid refrigerants to be back in outdoor unit heat exchanger 10, affects the efficiency of the outdoor unit modules of the multiple on-line system of the present embodiment.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment also comprises subcooler 13, and subcooler 13 is arranged on liquid refrigerants circulation arm 11.Subcooler 13 can adjust the degree of supercooling of liquid refrigerants, improves refrigeration and the heating efficiency of the outdoor unit modules place whole system of the multiple on-line system of the present embodiment.
As shown in Figure 1, also comprise oil fuel tube 26 at the outdoor unit modules of the multiple on-line system of the present embodiment, one end of oil fuel tube 26 is connected on oil eliminator 22, oil fuel tube 26 is provided with fuel feeding valve 27.Extra refrigeration oil can be provided to oil eliminator 22 by arranging oil fuel tube 26, lacking refrigeration oil to avoid the outdoor unit modules of whole multiple on-line system.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment also comprises the first filter 15, first filter 15 and is arranged on liquid refrigerants circulation arm 11, and the first filter 15 is between electric expansion valve 12 and outdoor unit heat exchanger 10.First filter 15 can filter the liquid refrigerants flowed out in outdoor unit heat exchanger 10.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment also comprises the second filter, and the second filter is arranged on liquid refrigerants circulation arm 11, and subcooler 13 is between the second filter and outdoor unit heat exchanger 10.Second filter can filter the liquid refrigerants flowed out in subcooler 13.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment also comprises radiator fan, and radiator fan is corresponding with outdoor unit heat exchanger 10 to be arranged.Can be adjusted the temperature of outdoor unit heat exchanger 10 quickly by radiator fan, make the temperature of temperature closer to outside air of outdoor unit heat exchanger 10.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment also comprises gas-liquid separator 30, oil return pipe 32 and oil return valve 33, gas-liquid separator 30 is connected with gaseous coolant circulating direction control device 18, gas-liquid separator is connected with compressor 21 by tube connector 31, and gas-liquid separator 30 is between gaseous coolant circulating direction control device 18 and compressor 21.The first end of oil return pipe 32 exports with the refrigeration oil of oil eliminator 22 and is connected, and the second end of oil return pipe 32 is connected on tube connector 31.Oil return valve 33 is arranged on oil return pipe 32.Refrigeration oil in oil eliminator 22 can be flow in tube connector 31 by oil return pipe 32, and flows in compressor 21 along with the gaseous coolant in tube connector 31, and then supplements refrigeration oil to this compressor 21, this compressor is played to the effect of lubrication.
As shown in Figure 1, the outdoor unit modules of the multiple on-line system of the present embodiment also comprises oil return capillary 34, and oil return capillary 34 is arranged on oil return pipe 32.Oil return capillary 34 plays the effect of current limliting, avoids recirculating oil quantity excessive, affects the reliability of compressor 21.
In the present embodiment, compressor 21 and oil eliminator 22 are multiple, multiple compressor 21 is arranged in parallel, multiple oil eliminator 22 is arranged in parallel, multiple oil eliminator 22 connects one to one with multiple compressor 21, oil equalizing pipe 23 is connected with multiple oil eliminator 22 respectively, and like this, the refrigeration oil in multiple oil eliminator 22 is pooled in oil equalizing pipe 23.Oil equalizing pipe 23 is one, oil equalizing pipe 23 is provided with oil balancer (not shown).Be pooled to the refrigeration oil in oil equalizing pipe 23 under the effect of oil balancer, flow to gaseous coolant circulation arm 19 uniformly and stably.
As shown in Figure 2, present invention also provides a kind of multiple on-line system, the multiple on-line system of the present embodiment comprises the multiple outdoor unit modules 1 be arranged in parallel and the multiple outdoor unit modules 1 be arranged in parallel.Arbitrary indoor set module 2 is by liquid refrigerants runner pipe 3(solid line) and gaseous coolant runner pipe 4(dotted line) be connected with arbitrary outdoor unit modules 1, outdoor unit modules 1 is the outdoor unit modules of the multiple on-line system of above-described embodiment.Multiple on-line system structure on the basis with equal oily effect of the present embodiment is simpler.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. an outdoor unit modules for multiple on-line system, comprising:
Outdoor unit heat exchanger (10);
Liquid refrigerants circulation arm (11), is connected with described outdoor unit heat exchanger (10);
Compressor (21);
Gaseous coolant circulating direction control device (18), is connected with described outdoor unit heat exchanger (10);
Oil eliminator (22), the refrigerant exit of described oil eliminator (22) is connected with described gaseous coolant circulating direction control device (18) by the gaseous coolant arm (19) that circulates, and the outlet of described compressor (21) is connected with the refrigerant import of described oil eliminator (22);
It is characterized in that, described outdoor unit modules also comprises oil equalizing pipe (23), the first end of described oil equalizing pipe (23) exports with the refrigeration oil of described oil eliminator (22) and is connected, and the second end of described oil equalizing pipe (23) is connected on described gaseous coolant circulation arm (19).
2. the outdoor unit modules of multiple on-line system according to claim 1, is characterized in that, the refrigeration oil outlet of described oil eliminator (22) is positioned at the lower end of this oil eliminator (22).
3. the outdoor unit modules of multiple on-line system according to claim 1, is characterized in that, described oil equalizing pipe (23) is provided with equal fuel tap (24).
4. the outdoor unit modules of multiple on-line system according to claim 1, is characterized in that, also comprises:
The first check valve (25) only allowing fluid to flow from oil eliminator (22) to described gaseous coolant circulating direction control device (18), is arranged on described oil equalizing pipe (23).
5. the outdoor unit modules of multiple on-line system according to claim 1, is characterized in that, also comprises:
Only allow the second check valve (16) that fluid flows from oil eliminator (22) to described gaseous coolant circulating direction control device (18), described second check valve (16) is arranged on described gaseous coolant circulation arm (19), and described second check valve (16) is positioned between the second end of described oil eliminator (22) and described oil equalizing pipe (23).
6. the outdoor unit modules of multiple on-line system according to claim 1, is characterized in that, also comprises:
Gas-liquid separator (30), be connected with described gaseous coolant circulating direction control device (18), described gas-liquid separator is connected with described compressor (21) by tube connector (31), and described gas-liquid separator (30) is positioned between described gaseous coolant circulating direction control device (18) and described compressor (21);
Oil return pipe (32), the first end of described oil return pipe (32) exports with the refrigeration oil of described oil eliminator (22) and is connected, and the second end of described oil return pipe (32) is connected on described tube connector (31);
Oil return valve (33), is arranged on described oil return pipe (32).
7. the outdoor unit modules of multiple on-line system according to claim 6, is characterized in that, also comprises:
Oil return capillary (34), is arranged on described oil return pipe (32).
8. the outdoor unit modules of multiple on-line system according to claim 1, is characterized in that, also comprises:
Oil fuel tube (26), one end is connected on described oil eliminator (22), described oil fuel tube (26) is provided with fuel feeding valve (27).
9. the outdoor unit modules of multiple on-line system according to claim 1, it is characterized in that, described compressor (21) and described oil eliminator (22) are multiple, described multiple compressor (21) and described multiple oil eliminator (22) connect one to one, described oil equalizing pipe (23) is connected with described multiple oil eliminator (22) respectively, and (23) are provided with oil balancer to described oil equalizing pipe.
10. a multiple on-line system, comprising:
The multiple outdoor unit modules (1) be arranged in parallel;
The multiple indoor set modules (2) be arranged in parallel, arbitrary described indoor set module (2) is connected with arbitrary described outdoor unit modules (1) by liquid refrigerants runner pipe (3) and gaseous coolant runner pipe (4), it is characterized in that, the outdoor unit modules of described outdoor unit modules (1) multiple on-line system according to any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604301.0A CN104654666A (en) | 2013-11-25 | 2013-11-25 | Outdoor unit module of multiple on-line system and multiple on-line system provided with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310604301.0A CN104654666A (en) | 2013-11-25 | 2013-11-25 | Outdoor unit module of multiple on-line system and multiple on-line system provided with same |
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| CN104654666A true CN104654666A (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310604301.0A Pending CN104654666A (en) | 2013-11-25 | 2013-11-25 | Outdoor unit module of multiple on-line system and multiple on-line system provided with same |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151352A (en) * | 2018-01-30 | 2018-06-12 | 珠海格力电器股份有限公司 | A kind of heat pump air conditioning system |
| CN109916116A (en) * | 2019-03-25 | 2019-06-21 | 珠海格力电器股份有限公司 | The method for freezing oil recovery apparatus and air-conditioner set and air-conditioner set replacement refrigeration oil |
| CN112181025A (en) * | 2020-10-29 | 2021-01-05 | 北京京仪自动化装备技术有限公司 | Temperature control equipment and method |
| CN113638863A (en) * | 2021-07-20 | 2021-11-12 | 新科环保科技有限公司 | Method for rapidly filling cold oil into multi-split air conditioner and refrigerating system |
-
2013
- 2013-11-25 CN CN201310604301.0A patent/CN104654666A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108151352A (en) * | 2018-01-30 | 2018-06-12 | 珠海格力电器股份有限公司 | A kind of heat pump air conditioning system |
| CN109916116A (en) * | 2019-03-25 | 2019-06-21 | 珠海格力电器股份有限公司 | The method for freezing oil recovery apparatus and air-conditioner set and air-conditioner set replacement refrigeration oil |
| CN112181025A (en) * | 2020-10-29 | 2021-01-05 | 北京京仪自动化装备技术有限公司 | Temperature control equipment and method |
| CN113638863A (en) * | 2021-07-20 | 2021-11-12 | 新科环保科技有限公司 | Method for rapidly filling cold oil into multi-split air conditioner and refrigerating system |
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Application publication date: 20150527 |