CN205174910U - Air conditioning system - Google Patents
Air conditioning system Download PDFInfo
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- CN205174910U CN205174910U CN201520844810.5U CN201520844810U CN205174910U CN 205174910 U CN205174910 U CN 205174910U CN 201520844810 U CN201520844810 U CN 201520844810U CN 205174910 U CN205174910 U CN 205174910U
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Abstract
The utility model discloses an air conditioning system, including the compressor, the compressor has gas vent, return -air mouth and jet, the switching -over subassembly, the switching -over subassembly has first valve port to a fourth valve port, one of them intercommunication in first valve port and second valve port and the third valve port, another intercommunication in fourth valve port and second valve port and the third valve port, an outdoor heat exchanger, an outdoor heat exchanger's first end links to each other with the second valve port, the 2nd outdoor heat exchanger, the 2nd outdoor heat exchanger include a heat exchange flow path and the 2nd heat exchange flow path, and a heat exchange flow path's second end links to each other with the indoor set, and the 2nd heat exchange flow path's export links to each other with the jet, the bypass orifice union, the first end of bypass orifice union and the 2nd heat exchange flow path's entry link to each other, and the second end of bypass orifice union is connected to between a heat exchange flow path's the second end and indoor set. The utility model discloses an air conditioning system has improved the discharge of fumes and gas of compressor to the refrigeration that has improved air conditioning system heats the effect.
Description
Technical field
The utility model relates to air-conditioning technical field, especially relates to a kind of air-conditioning system.
Background technology
Multiple on-line system is widely used because of its ability efficiency, good cooling or heating effect and installation and maintenance easily.But under bad working environments, the cooling or heating effect of multiple on-line system is not good.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of air-conditioning system, described air-conditioning system has good cooling or heating effect.
According to the air-conditioning system of the utility model embodiment, comprise compressor, described compressor has exhaust outlet, gas returning port and jet; Commutation assembly, described commutation assembly has the first valve port to the 4th valve port, described first valve port is communicated with one of them in the 3rd valve port with the second valve port, described 4th valve port and described second valve port are communicated with another in described 3rd valve port, described first valve port is connected with described exhaust outlet, and described 4th valve port is connected with described gas returning port; First outdoor heat exchanger, the first end of described first outdoor heat exchanger is connected with described second valve port; Second outdoor heat exchanger, described second outdoor heat exchanger comprises the first heat exchange stream and the second heat exchange stream of mutual heat exchange, main electronic expansion valve module is in series with between the first end of described first heat exchange stream and the second end of described first outdoor heat exchanger, second end of described first heat exchange stream is connected with indoor set, and the outlet of described second heat exchange stream is connected with described jet; Bypass orifice union, the first end of described bypass orifice union is connected with the entrance of described second heat exchange stream, between the second end that second end of described bypass orifice union is connected to described first heat exchange stream and described indoor set, described bypass orifice union comprises the flow control valve and restricting element that are connected in series.
According to the air-conditioning system of the utility model embodiment, to be connected the bypass orifice union formed by flow control valve and restricting element by arranging, and the first end of bypass orifice union is connected with the entrance of the second heat exchange stream, between the second end that second end of bypass orifice union is connected to the first heat exchange stream and indoor set, make the outlet of the second heat exchange stream be connected with jet simultaneously, thus, the part refrigerant can be convenient in the refrigerant flow between the second end of the first heat exchange stream and indoor set flows to bypass orifice union, and the second heat exchange stream is flowed to after bypass orifice union reducing pressure by regulating flow, and make the refrigerant heat exchange in the refrigerant in the second heat exchange stream and the first heat exchange stream form gaseous state to make the refrigerant in the second heat exchange stream absorb heat, and from the outlet flow of the second heat exchange stream to the jet of compressor, finally flow in compressor, thus the work playing air injection enthalpy-increasing is in order to improve the capacity of compressor, and then improve the cooling or heating effect of air-conditioning system.
According to embodiments more of the present utility model, described main electronic expansion valve module is an electric expansion valve.
According to embodiments more of the present utility model, described restricting element is the first capillary.
According to embodiments more of the present utility model, described restricting element is heating power expansion valve.
According to embodiments more of the present utility model, described second outdoor heat exchanger is plate type heat exchanger.
According to embodiments more of the present utility model, described commutation assembly is cross valve.
According to embodiments more of the present utility model, air-conditioning system also comprises gas-liquid separator, and the entrance of described gas-liquid separator is connected with described 4th valve port, and the gas vent of described gas-liquid separator is connected with described gas returning port.
According to embodiments more of the present utility model, air-conditioning system also comprises oil eliminator, and described oil eliminator has import, outlet and oil return opening, and described import is connected with described exhaust outlet, described outlet is connected with described first valve port, and described oil return opening is connected with described gas returning port.
Further, the second capillary is in series with between described oil return opening and described gas returning port.
In embodiments more of the present utility model, described flow control valve is magnetic valve.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the air-conditioning system according to the utility model embodiment;
Fig. 2 is the schematic diagram of the air-conditioning system according to another embodiment of the utility model.
Reference numeral:
Air-conditioning system 100;
Compressor 1; Exhaust outlet A; Gas returning port B; Jet C;
Commutation assembly 2; First valve port D; Second valve port E; 3rd valve port F; 4th valve port G;
First outdoor heat exchanger 3;
Second outdoor heat exchanger 4; First heat exchange stream 41; Second heat exchange stream 42;
Main electronic expansion valve module 5;
Bypass orifice union 6; Flow control valve 61; Restricting element 62;
Gas-liquid separator 7;
Oil eliminator 8; Import H; Outlet I; Oil return opening J;
Second capillary 9.
Detailed description of the invention
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection or each other can communication; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
Describe the air-conditioning system 100 according to the utility model embodiment below with reference to Fig. 1-Fig. 2, air-conditioning system 100 is made up of indoor set and off-premises station, and air-conditioning system 100 may be used for regulating indoor temperature.
As Figure 1-Figure 2, compressor 1, commutation assembly 2, first outdoor heat exchanger 3, second outdoor heat exchanger 4, indoor set (scheming not shown), main electronic expansion valve module 5 and bypass orifice union 6 can be comprised according to the air-conditioning system 100 of the utility model embodiment.
Particularly, compressor 1 has exhaust outlet A, gas returning port B and jet C.It is inner that part refrigerant turns back to compressor 1 from gas returning port B, and it is inner that another part gaseous coolant flows into compressor 1 from jet C, and two parts refrigerant forms the refrigerant of HTHP after compressor 1 compresses, and discharge from exhaust outlet A.Thus, by arranging jet C to provide gaseous coolant in compressor 1, the coolant quantity that the exhaust outlet A being conducive to improving compressor 1 discharges, thus improve the cooling or heating effect of compressor 1.
Commutation assembly 2 has the first valve port D to the 4th valve port G.Wherein, first valve port D is communicated with one of them in the 3rd valve port F with the second valve port E, 4th valve port G and the second valve port E are communicated with another in the 3rd valve port F, that is, when the first valve port D is communicated with the second valve port E, 4th valve port G is then communicated with the 3rd valve port F, and when the first valve port D is communicated with the 3rd valve port F, the 4th valve port G is then communicated with the second valve port E.In addition, the first valve port D is connected with exhaust outlet A, and the 4th valve port G is connected with gas returning port B.
Preferably, commutation assembly 2 be cross valve, but is understandable that, the assembly 2 that commutates can be formed as other elements, can realize commutating as long as have the first valve port D to the 4th valve port G.
The first valve port D due to the assembly 2 that commutates can to commutate with one of them in the 3rd valve port F with the second valve port E and be communicated with, 4th valve port G and the second valve port E and another in the 3rd valve port F commutate and are communicated with, this makes air-conditioning system 100 can change between refrigeration mode and heating mode, thus achieves refrigerating function and the heat-production functions of air-conditioning system 100.Such as, when air-conditioning system 100 is freezed, the first valve port D is communicated with the second valve port E, and the 3rd valve port F is communicated with the 4th valve port G, and when air-conditioning system 100 heats, the first valve port D is communicated with the 3rd valve port F, and the second valve port E is communicated with the 4th valve port G.
The first end (such as, the left end shown in Fig. 1 with Fig. 2) of the first outdoor heat exchanger 3 is connected with the second valve port E, thus realizes the refrigerant circulation between the first outdoor heat exchanger 3 and commutation assembly 2.
Second outdoor heat exchanger 4 comprises the first heat exchange stream 41 and the second heat exchange stream 42 of mutual heat exchange.Wherein, the first end of the first heat exchange stream 41 (such as, lower end shown in Fig. 1 and Fig. 2) with the second end of the first outdoor heat exchanger 3 (such as, right-hand member shown in Fig. 1 and Fig. 2) between be in series with main electronic expansion valve module 5, main electronic expansion valve module 5 can carry out reducing pressure by regulating flow to the refrigerant in refrigerant flow.
Alternatively, main electronic expansion valve module 5 is an electric expansion valve, and thus, not only can realize the effect of the reducing pressure by regulating flow to refrigerant, and electric expansion valve is quick on the draw, structure is simple.It is appreciated of course that main electronic expansion valve module 5 can also be multiple electric expansion valve be connected in parallel.
Second end of the first heat exchange stream 41 (such as, upper end shown in Fig. 1 with Fig. 2) be connected with indoor set, the outlet of the second heat exchange stream 42 (such as, the upper end of the second heat exchange stream 42 shown in Fig. 1 with Fig. 2) be connected with jet C, thus, after refrigerant heat exchange in refrigerant in second heat exchange stream 42 and the first heat exchange stream 41 and from the outlet flow of the second heat exchange stream 42 to the jet C of compressor 1, play the work of air injection enthalpy-increasing in order to improve the gaseous coolant amount in compressor 1, thus the coolant quantity that the exhaust outlet A improving compressor 1 discharges, and then improve the cooling or heating effect of air-conditioning system 100.
The first end of bypass orifice union 6 (such as, lower end shown in Fig. 1 and Fig. 2) with the entrance of the second heat exchange stream 42 (such as, the lower end of the second heat exchange stream 42 shown in Fig. 1 with Fig. 2) be connected, second end of bypass orifice union 6 (such as, upper end shown in Fig. 1 and Fig. 2) be connected to the first heat exchange stream 41 the second end and indoor set between, thus, part refrigerant in refrigerant flow between the first heat exchange stream 41 and indoor set can flow to bypass orifice union 6, and the second heat exchange stream 42 is flowed to after bypass orifice union 6 reducing pressure by regulating flow, and the refrigerant heat exchange in the second heat exchange stream 42 and in the first heat exchange stream 41, thus formation gaseous coolant, gaseous coolant is from the outlet flow of the second heat exchange stream 42 to jet C, finally flow in compressor 1, play the work of air injection enthalpy-increasing in order to improve the gaseous coolant amount in compressor 1, thus the coolant quantity that the exhaust outlet A improving compressor 1 discharges, and then improve the integrally cooling heating effect of air-conditioning system 100.
Bypass orifice union 6 comprises the flow control valve 61 and restricting element 62 that are connected in series.Specifically, flow control valve 61 can regulate the coolant quantity in the second heat exchange stream 42, thus regulate the gaseous coolant amount flowed in compressor 1, and then the coolant quantity regulating compressor 1 to discharge to a certain extent, to regulate the cooling or heating effect of air-conditioning system 100.
Alternatively, flow control valve 61 is magnetic valve, thus realizes the adjustment to cold medium flux, and structure is simple.Certainly, the utility model is not limited thereto, and flow control valve 61 can also be other structure.
Indoor set is connected with the 3rd valve port F, and that is, indoor set is connected between the first heat exchange stream 41 and the 3rd valve port F.
Specifically, when air-conditioning system 100 is freezed, first valve port D is communicated with the second valve port E, 3rd valve port F is communicated with the 4th valve port G, the refrigerant of the HTHP that compressor 1 is discharged flows to the first outdoor heat exchanger 3 through the first valve port D and the second valve port E, and in the first outdoor heat exchanger 3 with outdoor environment heat exchange, refrigerant after heat exchange flows to main electronic expansion valve module 5, after main electronic expansion valve module 5 reducing pressure by regulating flow, flow to the first heat exchange stream 41 of the second outdoor heat exchanger 4, refrigerant is divided into two-way after the first heat exchange stream 41 flows out: a part of refrigerant flows to bypass orifice union 6, and after bypass orifice union 6 further reducing pressure by regulating flow, flow to the second heat exchange stream 42, the refrigerant heat exchange of this part refrigerant in the second heat exchange stream 42 and in the first heat exchange stream 41, refrigerant temperature in first heat exchange stream 41 reduces further, and the refrigerant temperature in the second heat exchange stream 42 raises and forms gaseous state, gaseous coolant flows out from the second heat exchange stream 42 and flows in compressor 1 through the jet C of compressor 1 subsequently, to play the effect of air injection enthalpy-increasing, thus improve the coolant quantity of compressor 1 discharge, to improve the refrigeration of air-conditioning system 100.Another part refrigerant flows to indoor set to freeze to indoor environment after the first heat exchange stream 41 flows out, and machine flows out indoor subsequently, and turns back in compressor 1 through the gas returning port B of the 3rd valve port F and the 4th valve port G and compressor 1.
When air-conditioning system 100 heats, first valve port D is communicated with the 3rd valve port F, second valve port E is communicated with the 4th valve port G, the refrigerant of the HTHP of the exhaust outlet A discharge of compressor 1 flows to indoor set through the first valve port D and the 3rd valve port F, and in indoor set with indoor environment heat exchange, refrigerant after heat exchange indoor machine flows out, and being divided into two-way: a part of refrigerant flows to the first heat exchange stream 41, subsequently through the reducing pressure by regulating flow of main electronic expansion valve module 5, flow to the first outdoor heat exchanger 3, and in the first outdoor heat exchanger 3 with outdoor environment heat exchange, then compressor 1 is turned back to through the gas returning port B of the second valve port E and the 4th valve port G and compressor 1, another part refrigerant then flows to bypass orifice union 6, and after bypass orifice union 6 reducing pressure by regulating flow, flow to the second heat exchange stream 42, this part refrigerant forms gaseous coolant with the refrigerant heat exchange in the first heat exchange stream 41 in the second heat exchange stream 42, flow out from the second heat exchange stream 42 subsequently and flow in compressor 1 through the jet C of compressor 1, to play the effect of air injection enthalpy-increasing, thus improve the coolant quantity of compressor 1 discharge, to improve the heating effect of air-conditioning system 100.
According to the air-conditioning system 100 of the utility model embodiment, to be connected the bypass orifice union 6 formed by flow control valve 61 and restricting element 62 by arranging, and the first end of bypass orifice union 6 is connected with the entrance of the second heat exchange stream 42, between the second end that second end of bypass orifice union 6 is connected to the first heat exchange stream 41 and indoor set, make the outlet of the second heat exchange stream 42 be connected with jet C simultaneously, thus, the part refrigerant can be convenient in the refrigerant flow between the second end of the first heat exchange stream 41 and indoor set flows to bypass orifice union 6, and the second heat exchange stream 42 is flowed to after bypass orifice union 6 reducing pressure by regulating flow, and make the refrigerant heat exchange in the refrigerant in the second heat exchange stream 42 and the first heat exchange stream 41 form gaseous coolant to make the refrigerant in the second heat exchange stream 42 absorb heat, and from the outlet flow of the second heat exchange stream 42 to the jet C of compressor 1, finally flow in compressor 1, thus the work playing air injection enthalpy-increasing is in order to improve the capacity of compressor 1, and then improve the cooling or heating effect of air-conditioning system 100.
Alternatively, as shown in Figure 1, restricting element 62 is the first capillary, not only can play the effect of reducing pressure by regulating flow thus, and structure is simple, cheap.Certainly, the utility model is not limited thereto, and as shown in Figure 2, restricting element 62 can also be heating power expansion valve.
In embodiments more of the present utility model, the second outdoor heat exchanger 4 is plate type heat exchanger, and not only heat exchange efficiency is high thus, heat loss is little, advantages of compact and light structure, floor space are little, install easy to clean but also long service life.Certainly, the utility model is not limited thereto, and the second outdoor heat exchanger 4 can also be the heat exchanger of other type.
According to embodiments more of the present utility model, as depicted in figs. 1 and 2, air-conditioning system 100 also comprises gas-liquid separator 7, the entrance of gas-liquid separator 7 is connected with the 4th valve port G, the gas vent of gas-liquid separator 7 is connected with gas returning port B, thus, gaseous coolant after heat exchange and the mixture of liquid refrigerants can flow to gas-liquid separator 7 through the 4th valve port G, and in gas-liquid separator 7, realize gas-liquid separation and liquid refrigerants is stayed in gas-liquid separator 7, gaseous coolant is then discharged from the gas vent of gas-liquid separator 7, and flow to compressor 1 through the gas returning port B of compressor 1.Thus, can prevent liquid refrigerants from flowing in compressor 1 by arranging gas-liquid separator 7, thus prevent compressor 1 from producing liquid hit phenomenon.
In embodiments more of the present utility model, as depicted in figs. 1 and 2, air-conditioning system 100 also comprises oil eliminator 8.Particularly, oil eliminator 8 has import H, outlet I and oil return opening J, and import H is connected with exhaust outlet A, and outlet I is connected with the first valve port D, and oil return opening J is connected with gas returning port B.Thus, the refrigerant being mixed with the HTHP of lubricating oil that compressor 1 is discharged flows to oil eliminator 8 through exhaust outlet A and import H, and realize being separated in oil eliminator 8, refrigerant after separation is discharged from the outlet I of oil eliminator 8 and is flowed to the first valve port D, it is inner that lubricating oil after being separated then flows to compressor 1 from oil return opening J and gas returning port B, to lubricate parts such as the bearings in compressor 1.
Further, the second capillary 9 is in series with between oil return opening J and gas returning port B, thus, the second capillary 9 can be convenient to reducing pressure by regulating flow is carried out to reduce the temperature of lubricating oil to the lubricating oil flowed out from oil return opening J, thus the lubricating oil being convenient to low temperature lubricates parts such as the bearings in compressor 1.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. an air-conditioning system, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet, gas returning port and jet;
Commutation assembly, described commutation assembly has the first valve port to the 4th valve port, described first valve port is communicated with one of them in the 3rd valve port with the second valve port, described 4th valve port and described second valve port are communicated with another in described 3rd valve port, described first valve port is connected with described exhaust outlet, and described 4th valve port is connected with described gas returning port;
First outdoor heat exchanger, the first end of described first outdoor heat exchanger is connected with described second valve port;
Second outdoor heat exchanger, described second outdoor heat exchanger comprises the first heat exchange stream and the second heat exchange stream of mutual heat exchange, main electronic expansion valve module is in series with between the first end of described first heat exchange stream and the second end of described first outdoor heat exchanger, second end of described first heat exchange stream is connected with indoor set, and the outlet of described second heat exchange stream is connected with described jet;
Bypass orifice union, the first end of described bypass orifice union is connected with the entrance of described second heat exchange stream, between the second end that second end of described bypass orifice union is connected to described first heat exchange stream and described indoor set, described bypass orifice union comprises the flow control valve and restricting element that are connected in series.
2. air-conditioning system according to claim 1, is characterized in that, described main electronic expansion valve module is an electric expansion valve.
3. air-conditioning system according to claim 1, is characterized in that, described restricting element is the first capillary.
4. air-conditioning system according to claim 1, is characterized in that, described restricting element is heating power expansion valve.
5. air-conditioning system according to claim 1, is characterized in that, described second outdoor heat exchanger is plate type heat exchanger.
6. air-conditioning system according to claim 1, is characterized in that, described commutation assembly is cross valve.
7. air-conditioning system according to claim 1, is characterized in that, also comprises gas-liquid separator, and the entrance of described gas-liquid separator is connected with described 4th valve port, and the gas vent of described gas-liquid separator is connected with described gas returning port.
8. air-conditioning system according to claim 1, is characterized in that, also comprises oil eliminator, described oil eliminator has import, outlet and oil return opening, described import is connected with described exhaust outlet, and described outlet is connected with described first valve port, and described oil return opening is connected with described gas returning port.
9. air-conditioning system according to claim 8, is characterized in that, is in series with the second capillary between described oil return opening and described gas returning port.
10. air-conditioning system according to claim 1, is characterized in that, described flow control valve is magnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520844810.5U CN205174910U (en) | 2015-10-27 | 2015-10-27 | Air conditioning system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520844810.5U CN205174910U (en) | 2015-10-27 | 2015-10-27 | Air conditioning system |
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| CN205174910U true CN205174910U (en) | 2016-04-20 |
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| CN201520844810.5U Active CN205174910U (en) | 2015-10-27 | 2015-10-27 | Air conditioning system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836550A (en) * | 2019-11-13 | 2020-02-25 | 广东美的暖通设备有限公司 | Dry burning prevention control method for heat pump system |
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2015
- 2015-10-27 CN CN201520844810.5U patent/CN205174910U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836550A (en) * | 2019-11-13 | 2020-02-25 | 广东美的暖通设备有限公司 | Dry burning prevention control method for heat pump system |
| CN110836550B (en) * | 2019-11-13 | 2022-05-03 | 广东美的暖通设备有限公司 | Dry burning prevention control method for heat pump system |
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