CN203837138U - Air conditioner outdoor unit and air conditioner with same - Google Patents
Air conditioner outdoor unit and air conditioner with same Download PDFInfo
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- CN203837138U CN203837138U CN201420250909.8U CN201420250909U CN203837138U CN 203837138 U CN203837138 U CN 203837138U CN 201420250909 U CN201420250909 U CN 201420250909U CN 203837138 U CN203837138 U CN 203837138U
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Abstract
The utility model discloses an air conditioner outdoor unit and an air conditioner with the same. The air conditioner outdoor unit comprises a compressor, a control valve assembly, an outdoor heat exchanger and a supercooling assembly. A first supercooling heat exchanger is provided with a first refrigerant channel and a second refrigerant channel, the first end of the first refrigerant channel is connected with the outdoor heat exchanger, and the first end of the second refrigerant channel is connected with the first end of the first refrigerant channel through a first throttling element. A second supercooling heat exchanger is provided with a third refrigerant channel and a fourth refrigerant channel, the first end of the third refrigerant channel is connected with the second end of the first refrigerant channel, and the second end of the fourth refrigerant channel is connected with the second end of the third refrigerant channel through a second throttling element. According to the air conditioner outdoor unit, the degree of supercooling can be maximized through corresponding devices in the refrigerating mode and the heating mode, the action modes of the supercooling assembly can be selected according to load change, and therefore the ability and reliability of the air conditioner are improved.
Description
Technical field
The utility model relates to refrigerating field, especially relates to a kind of air-conditioner outdoor unit and has its air-conditioner.
Background technology
Cross more and more extensive that refrigeration technique uses in air conditioner industry, all generally to adopt a mistake cold heat exchanger to add an electric expansion valve, from main hydraulic pipe, draw part refrigerant by electric expansion valve throttling, in crossing cold heat exchanger, evaporate, reach the effect that reduces main hydraulic pipe refrigerant temperature.Air-conditioning system in correlation technique can not be brought into play the maximum effect of cold heat exchanger and the variation of adaptation load preferably in refrigeration and heating mode simultaneously.
Utility model content
The utility model is intended to solve at least to a certain extent one of technical problem in correlation technique.
For this reason, an object of the present utility model is to propose a kind of air-conditioner outdoor unit, can under refrigeration mode and heating mode, can obtain as far as possible at air-conditioner the maximum cold of crossing, can according to load variations, select the mode of action of cold assembly, improved ability and the reliability of air-conditioner simultaneously.
Another object of the present utility model is to propose a kind of air-conditioner with above-mentioned air-conditioner outdoor unit.
According to air-conditioner outdoor unit of the present utility model, comprising: compressor, described compressor has exhaust outlet and gas returning port, control valve assembly, described control valve assembly comprises first to fourth interface, one of them conducting in described first interface and described the second interface and described the 3rd interface, another conducting in described the 4th interface and described the second interface and described the 3rd interface, described first interface is connected with described exhaust outlet, and described the 4th interface is connected with described gas returning port, outdoor heat exchanger, the first end of described outdoor heat exchanger is connected with described the second interface, cross cold assembly, the cold assembly of described mistake comprises the first mistake cold heat exchanger and second cold heat exchanger excessively, described first crosses cold heat exchanger has the first refrigerant passage and the second refrigerant passage, the first end of described the first refrigerant passage is connected with the second end of described outdoor heat exchanger, the first end of described the second refrigerant passage is connected with the first end of described the first refrigerant passage by first throttle element, the second end of described the second refrigerant passage is connected with described gas returning port, described second crosses cold heat exchanger has the 3rd refrigerant passage and the 4th refrigerant passage, the first end of described the 3rd refrigerant passage is connected with the second end of described the first refrigerant passage, the first end of described the 4th refrigerant passage is connected with described gas returning port, the second end of described the 4th refrigerant passage is connected with the second end of described the 3rd refrigerant passage by second section fluid element.
According to air-conditioner outdoor unit of the present utility model, by being provided with the first mistake cold heat exchanger, second, cross cold heat exchanger, first throttle element and second section fluid element, not only can be at air-conditioner in refrigeration with all bring into play super cooling effect during heating mode, reduce system loss, and under refrigeration mode and heating mode, can obtain as far as possible the maximum cold of crossing, can according to load variations, select the mode of action of cold assembly, improved ability and the reliability of air-conditioner simultaneously.
In addition, according to the above-mentioned air-conditioner outdoor unit of the utility model, can also there is following additional technical characterictic:
In embodiment more of the present utility model, air-conditioner outdoor unit also comprises the 3rd restricting element, and described the 3rd restricting element is connected between described outdoor heat exchanger and the cold assembly of described mistake.
In further embodiment of the present utility model, air-conditioner outdoor unit also comprises gas-liquid separator, described gas-liquid separator has import and outlet, described outlet is connected with described gas returning port, and described import is connected with the first end of described the 4th refrigerant passage with the second end of described the 4th interface, described the second refrigerant passage respectively.
Particularly, described control valve assembly is cross valve.
Particularly, described first throttle element is electric expansion valve.
Particularly, described second section fluid element is electric expansion valve.
Alternatively, described the 3rd restricting element is electric expansion valve or capillary.
In embodiment more of the present utility model, air-conditioner outdoor unit also comprises outdoor fan, and the contiguous described outdoor heat exchanger setting of described outdoor fan is with by outdoor heat exchanger described in air guide.
According to air-conditioner of the present utility model, comprising: off-premises station, described off-premises station is the air-conditioner outdoor unit above-mentioned according to the utility model; Indoor heat exchanger, the first end of described indoor heat exchanger is connected with the cold assembly of described mistake, and the second end of described indoor heat exchanger is connected with described the 3rd interface.
According to air-conditioner of the present utility model, by being provided with above-mentioned air-conditioner outdoor unit, not only can when refrigeration and heating mode, bring into play super cooling effect, reduce system loss, and can under refrigeration and heating mode, can obtain the maximum cold of crossing as far as possible, can select according to load variations the mode of action of cold assembly, improved ability and the reliability of system simultaneously.
In embodiment more of the present utility model, air-conditioner also comprises indoor fan, and the contiguous described indoor heat exchanger setting of described indoor fan is with by indoor heat exchanger described in air guide.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the air-conditioner outdoor unit of the utility model embodiment.
Reference numeral:
Air-conditioner outdoor unit 100,
Compressor 1, exhaust outlet a, gas returning port b,
Control valve assembly 2, first interface c, the second interface d, the 3rd interface e, the 4th interface f,
Outdoor heat exchanger 3,
Cross cold assembly 4, first cross cold heat exchanger 40, the first refrigerant passage 401, the second refrigerant passage 402, second cross cold heat exchanger 41, the 3rd refrigerant passage 411, the 4th refrigerant passage 412, first throttle element 42, second section fluid element 43,
The 3rd restricting element 5,
Gas-liquid separator 6, import g, outlet h,
High-pressure stop valve 7,
Low-pressure shutoff valve 8
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, 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 " on ", orientation or the position relationship of the indication such as D score, 'fornt', 'back', " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward " be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, rather than indicate or imply that the device of indication or element must have specific orientation, with specific orientation, construct and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the present utility model, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be the concrete meaning of above-mentioned term in the utility model.
Below with reference to Fig. 1, describe according to the air-conditioner outdoor unit 100 of the utility model embodiment, air-conditioner outdoor unit 100 and indoor set (scheming not shown) assembling is to be assembled into air-conditioner, indoor set comprises the elements such as indoor heat exchanger, and air-conditioner has refrigeration mode and heating mode.
As shown in Figure 1, according to the air-conditioner outdoor unit 100 of the utility model embodiment, comprise: compressor 1, control valve assembly 2, outdoor heat exchanger 3 and the cold assembly 4 of mistake.Wherein compressor 1 has exhaust outlet a and gas returning port b.It should be noted that, the structure of compressor 1 and operation principle etc. are those skilled in the art to be known, and is not just described in detail here.
Control valve assembly 2 comprises first interface c, the second interface d, the 3rd interface e and the 4th interface f, one of them conducting in first interface c and the second interface d and the 3rd interface e, another conducting in the 4th interface f and the second interface d and the 3rd interface e, first interface c is connected with exhaust outlet a, and the 4th interface f is connected with gas returning port b.The 3rd interface e is suitable for being connected with the indoor heat exchanger in indoor set.At air-conditioner during in refrigeration mode, first interface c and the second interface d conducting and the 3rd interface e and the 4th interface f conducting.At air-conditioner during in heating mode, first interface c and the 3rd interface e conducting and the second interface d and the 4th interface f conducting.
In examples more of the present utility model, as shown in Figure 1, control valve assembly 2 is cross valve.In other examples of the present utility model, control valve assembly 2 comprises the first pipeline to the four pipelines, the first pipeline to the four pipelines join end to end successively, on the first pipeline, be in series with the first control valve, on second pipe, be in series with the second control valve, on the 3rd pipeline, be in series with the 3rd control valve, on the 4th pipeline, be in series with the 4th control valve, the junction of the first pipeline and second pipe limits first interface c, the junction of the first pipeline and the 4th pipeline limits the second interface d, the junction of the 4th pipeline and the 3rd pipeline limits the 4th interface f, the junction of the 3rd pipeline and second pipe limits the 3rd interface e, the first control valve and the 3rd control valve are opened simultaneously or close, the second control valve and the 4th control valve are opened simultaneously or close.
The first end of outdoor heat exchanger 3 is connected with the second interface d.In examples more of the present utility model, air-conditioner outdoor unit 100 also comprises outdoor fan (scheming not shown), and outdoor fan adjacent chamber external heat exchanger 3 arranges with by air guide outdoor heat exchanger 3.Thereby improve the heat transfer effect of outdoor heat exchanger 3.
Cross cold assembly 4 and comprise the first mistake cold heat exchanger 40 and second cold heat exchanger 41 excessively, first crosses that cold heat exchanger 40 has refrigerant in the first refrigerant passage 401 and the second refrigerant passage 402, the first refrigerant passages 401 and the refrigerant in the second refrigerant passage 402 carries out heat exchange.The first end of the first refrigerant passage 401 is connected with the second end of outdoor heat exchanger 3, and the first end of the second refrigerant passage 402 is connected with the first end of the first refrigerant passage 401 by first throttle element 42, and the second end of the second refrigerant passage 402 is connected with gas returning port b.Wherein first throttle element 42 plays the effect of reducing pressure by regulating flow so that temperature difference appears in the refrigerant in the first refrigerant passage 401 and the second refrigerant passage 402, is worth understanding simultaneously, and first throttle element 42 has opening and closed condition.Alternatively, first throttle element 42 is electric expansion valve, thereby can regulate the flow that enters into the refrigerant in the second refrigerant passage 402, plays the object of Based Intelligent Control.
Second cross cold heat exchanger 41 have refrigerant in the 3rd refrigerant passage 411 and the 4th refrigerant passage 412, the three refrigerant passages 411 can with the 4th refrigerant passage 412 in refrigerant carry out heat exchange.The first end of the 3rd refrigerant passage 411 is connected with the second end of the first refrigerant passage 401, the first end of the 4th refrigerant passage 412 is connected with gas returning port b, and the second end of the 4th refrigerant passage 412 is connected with the second end of the 3rd refrigerant passage 411 by second section fluid element 43.Wherein, second section fluid element 43 plays the effect of reducing pressure by regulating flow so that temperature difference appears in the refrigerant in the 3rd refrigerant passage 411 and the 4th refrigerant passage 412, is worth understanding simultaneously, and second section fluid element 43 has opening and closed condition.Alternatively, second section fluid element 43 is electric expansion valve, thereby can regulate the flow that enters into the refrigerant in the 4th refrigerant passage 412, plays the object of Based Intelligent Control.Wherein it should be noted that, it can be also different patterns for identical pattern that the first mistake cold heat exchanger 40 and second is crossed cold heat exchanger 41.
What be worth understanding is, air-conditioner outdoor unit 100 also comprises high-pressure stop valve 7 and low-pressure shutoff valve 8, high-pressure stop valve 7 is connected with the cold assembly 4 of mistake, low-pressure shutoff valve 8 is connected with the 3rd interface e, when air-conditioner outdoor unit 100 and indoor set are assembled, by the element matching on high-pressure stop valve 7 and low-pressure shutoff valve 8 and indoor set has been assembled to the assembling between indoor set and air-conditioner outdoor unit 100.Be worth understanding simultaneously, when indoor set is connected with air-conditioner outdoor unit 100, between outdoor heat exchanger 3 and indoor heat exchanger, should be in series with restricting element.
Particularly, when air-conditioner is during in refrigeration mode and when system loading is larger, first throttle element 42 and second section fluid element 43 are all in opening, the refrigerant of discharging from compressor 1 enters into outdoor heat exchanger 3 through control valve assembly 2 and carries out condensation heat radiation, the refrigerant of discharging from outdoor heat exchanger 3 is divided into two parts, part refrigerant enters in the first refrigerant passage 401, another part refrigerant enters in the second refrigerant passage 402 after the reducing pressure by regulating flow of first throttle element 42, the refrigerant entering in the first refrigerant passage 401 carries out heat exchange with the refrigerant entering in the second refrigerant passage 402, first crosses cold heat exchanger 40 in following current heat exchange state.
The refrigerant of discharging from the first refrigerant passage 401 enters in the 3rd refrigerant passage 411, a part the refrigerant of discharging from the 3rd refrigerant passage 411 enters in the 4th refrigerant passage 412 after the reducing pressure by regulating flow of second section fluid element 43, the refrigerant entering in the 3rd refrigerant passage 411 carries out heat exchange with the refrigerant entering in the 4th refrigerant passage 412, second crosses cold heat exchanger 41 in countercurrent flow state, from the refrigerant of the second refrigerant passage 402 and the 4th refrigerant passage 412 discharges, by gas returning port b, is expelled back in compressor 1.
Wherein because the refrigerant through second section fluid element 43 has passed through the first refrigerant passage 401 and the 3rd refrigerant passage 411, the position that is 43 drainages of second section fluid element is crossed after cold heat exchanger 41 for crossing cold heat exchanger 40 and second through first, therefore the cold that enters into the refrigerant in the 4th refrigerant passage 412 is large, and second crosses cold heat exchanger 41 produced the effective of cold.That is to say, at air-conditioner, in refrigeration mode and load larger in the situation that, utilize first to cross cold heat exchanger 40 and second and cross cold heat exchanger 41 and obtain the maximum cold of crossing simultaneously.
When air-conditioner during in refrigeration mode and system loading hour, first throttle element 42 is opened, second section fluid element 43 is closed, the refrigerant flowing out from outdoor heat exchanger 3 is divided into two parts, part refrigerant enters in the first refrigerant passage 401, another part refrigerant enters in the second refrigerant passage 402 after the reducing pressure by regulating flow of first throttle element 42, the refrigerant entering in the first refrigerant passage 401 carries out heat exchange with the refrigerant entering in the second refrigerant passage 402, and first crosses cold heat exchanger 40 in following current heat exchange state.The refrigerant of discharging from the second refrigerant passage 402 is got back in compressor 1 by gas returning port b, the refrigerant of discharging from the first refrigerant passage 401 enters into the 3rd refrigerant passage 411, the refrigerant of discharging from the 3rd refrigerant passage 411 enters into indoor set by high-pressure stop valve 7, and second crosses cold heat exchanger 41 in heat exchange state not.That is to say, at air-conditioner, during in refrigeration mode and the in the situation that system loading being less, utilize first to cross cold heat exchanger 40 following current heat transfer effects, the preferably refrigerating capacity of regulating system.
When air-conditioner is in heating mode and system loading when larger, first throttle element 42 is in opening, and second section fluid element 43 is in opening.The refrigerant of discharging from compressor 1 is first drained into the indoor heat exchanger of indoor set and carries out condensation heat radiation, the refrigerant of discharging from indoor set is divided into two parts, part refrigerant enters in the 3rd refrigerant passage 411, another part refrigerant enters in the 4th refrigerant passage 412 after the reducing pressure by regulating flow of second section fluid element 43, the refrigerant entering in the 3rd refrigerant passage 411 carries out heat exchange with the refrigerant entering in the 4th refrigerant passage 412, second crosses cold heat exchanger 41 in following current heat exchange state, the refrigerant of discharging from the 4th refrigerant passage 412 is expelled back in compressor 1 by gas returning port b.
The refrigerant of discharging from the 3rd refrigerant passage 411 enters in the first refrigerant passage 401, a part the refrigerant of discharging from the first refrigerant passage 401 enters in the second refrigerant passage 402 after the reducing pressure by regulating flow of first throttle element 42, the refrigerant entering in the first refrigerant passage 401 carries out heat exchange with the refrigerant entering in the second refrigerant passage 402, first crosses cold heat exchanger 40 in countercurrent flow state, and the refrigerant of discharging from the second refrigerant passage 402 is expelled back in compressor 1 by gas returning port b.
Wherein because the refrigerant through first throttle element 42 has passed through the 3rd refrigerant passage 411 and the first refrigerant passage 401, the position that is 42 drainages of first throttle element is crossed after cold heat exchanger 40 for crossing cold heat exchanger 41 and first through second, therefore the cold that enters into the refrigerant in the second refrigerant passage 402 is large, and first crosses cold heat exchanger 40 produced the effective of cold.That is to say, at air-conditioner, in heating mode and system loading larger in the situation that, utilize first to cross cold heat exchanger 40 and second and cross cold heat exchanger 41 and obtain the maximum cold of crossing simultaneously.
When air-conditioner in heating mode and system loading hour, second section fluid element 43 is in opening, first throttle element 42 is in closed condition, the refrigerant of discharging from indoor set is divided into two parts, part refrigerant enters in the 3rd refrigerant passage 411, another part refrigerant enters in the 4th refrigerant passage 412 after the reducing pressure by regulating flow of second section fluid element 43, the refrigerant entering in the 3rd refrigerant passage 411 carries out heat exchange with the refrigerant entering in the 4th refrigerant passage 412, second crosses cold heat exchanger 41 in following current heat exchange state, the refrigerant of discharging from the 4th refrigerant passage 412 is expelled back in compressor 1 by gas returning port b.
The refrigerant of discharging from the 3rd refrigerant passage 411 is drained into outdoor heat exchanger 3 through the first refrigerant passage 401, first crosses cold heat exchanger 40 in heat exchange state not.That is to say, at air-conditioner, in heating mode and system loading, less in the situation that, utilize second to cross cold heat exchanger 41 following current heat transfer effects, regulating system that can be less cross cold.
According to the air-conditioner outdoor unit 100 of the utility model embodiment, by being provided with the first mistake cold heat exchanger 40, second, cross cold heat exchanger 41, first throttle element 42 and second section fluid element 43, not only can be at air-conditioner in refrigeration with all utilize relevant device to produce degree of supercooling during heating mode, reduce system loss, and under refrigeration mode and heating mode, can obtain as far as possible the maximum cold of crossing, can according to load variations, select the mode of action of cold assembly 4, improved ability and the reliability of air-conditioner simultaneously.
Below with reference to Fig. 1, describe according to the air-conditioner outdoor unit 100 of the utility model specific embodiment, wherein first throttle element 42 and second section fluid element 43 are respectively electric expansion valve, wherein it should be noted that, the bore of first throttle element 42 and second section fluid element 43 can be the same or different.
As shown in Figure 1, air-conditioner outdoor unit 100 comprises: compressor 1, control valve assembly 2, outdoor heat exchanger 3, mistake cold assembly 4, the 3rd restricting element 5 and gas-liquid separator 6.
The exhaust outlet a of compressor 1 is connected with first interface c, and the second interface d is connected with the first end of outdoor heat exchanger 3, and the 3rd interface e is connected with low-pressure shutoff valve 8, and the 4th interface f is connected with gas-liquid separator 6.
The second end of outdoor heat exchanger 3 is connected with the 3rd restricting element 5, and the 3rd restricting element 5 is connected with the cold assembly 4 of mistake, that is to say, the 3rd restricting element 5 is connected on outdoor heat exchanger 3 and crosses between cold assembly 4.Wherein the 3rd restricting element 5 has the effect of reducing pressure by regulating flow, and in examples more of the present utility model, the 3rd restricting element 5 is electric expansion valve or capillary.Thereby by being provided with the 3rd restricting element 5, through the refrigerant after reducing pressure by regulating flow for the first time, entered into cold assembly 4, thereby can increase the cold of the refrigerant that entered into cold assembly 4, improved cold.
The 3rd restricting element 5 is connected with the first first end of crossing the first refrigerant passage 401 of cold heat exchanger 40, and the first first end of crossing the second refrigerant passage 402 of cold heat exchanger 40 is connected with the 3rd restricting element 5 by first throttle element 42.The second end of the first refrigerant passage 401 is connected with the second first end of crossing the 3rd refrigerant passage 411 of cold heat exchanger 41, the second end of the 3rd refrigerant passage 411 is connected with high-pressure stop valve 7, and the second end of the 4th refrigerant passage 412 is connected with the 3rd refrigerant passage 411 second ends by second section fluid element 43.
Gas-liquid separator 6 has import g and outlet h, and outlet h is connected with gas returning port b, and import g is connected with the first end of the 4th refrigerant passage 412 with the second end of the 4th interface f, the second refrigerant passage 402 respectively.Gas-liquid separator 6 has gas liquid separating function, the refrigerant being drained in gas-liquid separator 6 from the 4th interface f, the second refrigerant passage 402 and the 4th refrigerant passage 412 carries out gas-liquid separation, isolated gaseous coolant is expelled back in compressor 1 through outlet h, thereby can avoid compressor 1 to occur liquid hammer fault by being provided with gas-liquid separator 6.
During refrigeration mode, when system loading is larger, first throttle element 42 and second section fluid element 43, all in opening, utilize the first mistake cold heat exchanger 40 and second to cross cold heat exchanger 41 simultaneously and obtain the maximum cold of crossing.Now first cross cold heat exchanger 40 in following current heat exchange state, second crosses cold heat exchanger 41 in countercurrent flow state, and the position of second section fluid element 43 drainages is through first, to cross cold heat exchanger 40 and second to cross after cold heat exchanger 41, therefore the refrigerant cold of introducing is large, produces the effective of cold.
When system loading hour, first throttle element 42 is opened, second section fluid element 43 is closed, and now utilizes the effect and first of the adjust flux of first throttle element 42 to cross under the slightly poor double action of cold heat exchanger 40 following current heat exchange heat transfer effects, preferably the cold excessively of regulating system.
During heating mode, when system loading is larger, first throttle element 42 and second section fluid element 43, all in opening, utilize the first mistake cold heat exchanger 40 and second to cross cold heat exchanger 41 simultaneously and obtain the maximum cold of crossing.Now first cross cold heat exchanger 40 in countercurrent flow state, second crosses cold heat exchanger 41 in following current heat exchange state, and the position of first throttle element 42 drainages is through first, to cross cold heat exchanger 40 and second to cross after cold heat exchanger 41, therefore the refrigerant cold of introducing is large, produces the effective of cold.
When system loading hour, second section fluid element 43 is opened, first throttle element 42 is closed, and now utilizes the effect and second of the adjust flux of second section fluid element 43 to cross under the slightly poor double action of cold heat exchanger 41 following current heat exchange heat transfer effects, preferably the cold excessively of regulating system.
According to the air-conditioner outdoor unit 100 of the utility model embodiment, can under refrigeration and heating mode, can obtain the maximum cold of crossing as far as possible, can select according to load variations the mode of action of cold assembly 4 simultaneously, with this, improve ability and the reliability of system.
Air-conditioner according to the utility model embodiment, comprising: off-premises station and indoor heat exchanger, wherein off-premises station is the air-conditioner outdoor unit 100 according to the utility model above-described embodiment.The first end of indoor heat exchanger is connected with the cold assembly 4 of mistake, and the second end of indoor heat exchanger is connected with the 3rd interface e.Further, air-conditioner also comprises indoor fan, and the contiguous indoor heat exchanger setting of indoor fan is with by air guide indoor heat exchanger, thereby can improve the heat transfer effect of indoor heat exchanger.
According to the air-conditioner of the utility model embodiment, by being provided with above-mentioned air-conditioner outdoor unit 100, not only can when refrigeration and heating mode, bring into play super cooling effect, reduce system loss, and can under refrigeration and heating mode, can obtain the maximum cold of crossing as far as possible, can select according to load variations the mode of action of cold assembly 4, improved ability and the reliability of system simultaneously.
In the utility model, unless otherwise clearly defined and limited, First Characteristic Second Characteristic " 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, First Characteristic Second Characteristic " on ", " top " and " above " but First Characteristic directly over Second Characteristic or oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " can be First Characteristic under Second Characteristic or tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
In the description of this description, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present utility model or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, the specific features of description, structure, material or feature can one or more embodiment in office or example in suitable mode combination.In addition,, not conflicting in the situation that, those skilled in the art can carry out combination and combination by the feature of the different embodiment that describe in this description or example and different embodiment or example.
Although illustrated 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 in scope of the present utility model, modification, replacement and modification.
Claims (10)
1. an air-conditioner outdoor unit, is characterized in that, comprising:
Compressor, described compressor has exhaust outlet and gas returning port;
Control valve assembly, described control valve assembly comprises first to fourth interface, one of them conducting in described first interface and described the second interface and described the 3rd interface, another conducting in described the 4th interface and described the second interface and described the 3rd interface, described first interface is connected with described exhaust outlet, and described the 4th interface is connected with described gas returning port;
Outdoor heat exchanger, the first end of described outdoor heat exchanger is connected with described the second interface;
Cross cold assembly, the cold assembly of described mistake comprises the first mistake cold heat exchanger and second cold heat exchanger excessively, described first crosses cold heat exchanger has the first refrigerant passage and the second refrigerant passage, the first end of described the first refrigerant passage is connected with the second end of described outdoor heat exchanger, the first end of described the second refrigerant passage is connected with the first end of described the first refrigerant passage by first throttle element, the second end of described the second refrigerant passage is connected with described gas returning port
Described second crosses cold heat exchanger has the 3rd refrigerant passage and the 4th refrigerant passage, the first end of described the 3rd refrigerant passage is connected with the second end of described the first refrigerant passage, the first end of described the 4th refrigerant passage is connected with described gas returning port, and the second end of described the 4th refrigerant passage is connected with the second end of described the 3rd refrigerant passage by second section fluid element.
2. air-conditioner outdoor unit according to claim 1, is characterized in that, also comprises the 3rd restricting element, and described the 3rd restricting element is connected between described outdoor heat exchanger and the cold assembly of described mistake.
3. air-conditioner outdoor unit according to claim 1, it is characterized in that, also comprise gas-liquid separator, described gas-liquid separator has import and outlet, described outlet is connected with described gas returning port, and described import is connected with the first end of described the 4th refrigerant passage with the second end of described the 4th interface, described the second refrigerant passage respectively.
4. air-conditioner outdoor unit according to claim 1, is characterized in that, described control valve assembly is cross valve.
5. air-conditioner outdoor unit according to claim 1, is characterized in that, described first throttle element is electric expansion valve.
6. air-conditioner outdoor unit according to claim 1, is characterized in that, described second section fluid element is electric expansion valve.
7. air-conditioner outdoor unit according to claim 2, is characterized in that, described the 3rd restricting element is electric expansion valve or capillary.
8. air-conditioner outdoor unit according to claim 1, is characterized in that, also comprises outdoor fan, and the contiguous described outdoor heat exchanger setting of described outdoor fan is with by outdoor heat exchanger described in air guide.
9. an air-conditioner, is characterized in that, comprising:
Off-premises station, described off-premises station is according to the air-conditioner outdoor unit described in any one in claim 1-8;
Indoor heat exchanger, the first end of described indoor heat exchanger is connected with the cold assembly of described mistake, and the second end of described indoor heat exchanger is connected with described the 3rd interface.
10. air-conditioner according to claim 9, is characterized in that, also comprises indoor fan, and the contiguous described indoor heat exchanger setting of described indoor fan is with by indoor heat exchanger described in air guide.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420250909.8U CN203837138U (en) | 2014-05-15 | 2014-05-15 | Air conditioner outdoor unit and air conditioner with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420250909.8U CN203837138U (en) | 2014-05-15 | 2014-05-15 | Air conditioner outdoor unit and air conditioner with same |
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| CN203837138U true CN203837138U (en) | 2014-09-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103465A1 (en) * | 2019-11-27 | 2021-06-03 | 南京天加环境科技有限公司 | Multi-split system with double air-injection enthalpy-increasing compressors |
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2014
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021103465A1 (en) * | 2019-11-27 | 2021-06-03 | 南京天加环境科技有限公司 | Multi-split system with double air-injection enthalpy-increasing compressors |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20190515 |