CN203869192U - Air conditioner outdoor unit system and air conditioner - Google Patents
Air conditioner outdoor unit system and air conditioner Download PDFInfo
- Publication number
- CN203869192U CN203869192U CN201420199273.9U CN201420199273U CN203869192U CN 203869192 U CN203869192 U CN 203869192U CN 201420199273 U CN201420199273 U CN 201420199273U CN 203869192 U CN203869192 U CN 203869192U
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- Prior art keywords
- port
- valve
- air conditioner
- heat exchanger
- outdoor unit
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- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000004378 air conditioning Methods 0.000 claims description 8
- 239000003507 refrigerant Substances 0.000 abstract description 17
- 238000001595 flow curve Methods 0.000 abstract description 16
- 238000004781 supercooling Methods 0.000 abstract description 9
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 230000002708 enhancing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Abstract
The utility model provides an air conditioner outdoor unit system and an air conditioner. The air conditioner outdoor unit system comprises a compressor, an outdoor heat exchanger, a main throttling valve, a supercooling throttling valve, a stop valve, an auxiliary throttling valve, a supercooling heat exchanger, a first stop valve, a second stop valve, a four-way valve and a gas-liquid separator which are connected, and the supercooling heat exchanger is provided with a main flow tube and an auxiliary flow tube. According to the air conditioner outdoor unit system, it is ensured that when the system is in a small-load state, refrigerants flowing through the supercooling throttling valve have small flow fluctuation, a formed flow curve is a stable small-fluctuation flow curve, and therefore stability is improved when the system is in the small-load state, and the purpose of improving product performance is achieved.
Description
Technical field
The utility model relates to field of household appliances, more specifically, relates to a kind of air conditioner outdoor unit system and a kind of air-conditioning that comprises this system.
Background technology
Spend the morning that refrigeration technique is used in field of air conditioning, particularly more and more extensive in the application in multiple central air conditioner field in recent years.On the off-premises station of existing multiple central air conditioner, the cold assembly of mistake on it generally comprised cold choke valve, concrete application mode is generally the pipeline from outdoor unit heat exchanger (outdoor heat exchanger) or draws a part of refrigerant from the pipeline of crossing cold heat exchanger, this part refrigerant is through crossing after the cold choke valve throttling cooling of mistake in cold assembly, evaporation endothermic in crossing cold heat exchanger, thus the degree of supercooling of the refrigerant in the primary flow path pipe of cold heat exchanger improved.Owing to crossing, cold choke valve its flow curve when the little aperture is steeper, like this, (that is: system is in little load condition when little aperture for the cold choke valve of mistake of this kind of scheme, cross cold choke valve and require little aperture) increase or reduce aperture amount, cause the flowed fluctuation of the refrigerant that flow through cold choke valve to increase, easily cause the aperture vibration of cold choke valve, be unfavorable for system stable operation.
Utility model content
The utility model is intended at least solve one of technical problem existing in prior art.
For this reason, the utility model provides a kind of air conditioner outdoor unit system, the system that can guarantee is when little load condition, the refrigerant that flow through cold choke valve has less flowed fluctuation, the flow curve that makes its formation is stable minor swing flow curve, thereby reaches the object of the stability of raising system when little load condition.
The embodiment of the utility model first aspect provides a kind of air conditioner outdoor unit system, comprise compressor, outdoor heat exchanger, primary throttle valve, the cold choke valve of mistake, stop valve, auxiliary throttle valve, cross cold heat exchanger, the first stop valve, the second stop valve, cross valve and gas-liquid separator, the described cold heat exchanger of crossing has primary flow path pipe and auxiliary flow channel tube, the first port of described outdoor heat exchanger is connected with the C mouth of described cross valve, the second port of described outdoor heat exchanger is connected with the first port of described primary throttle valve, the second port of described primary throttle valve connects the first port of described primary flow path pipe, the second port of described primary flow path pipe is connected with the first port of described the first stop valve, the second port of described auxiliary flow channel tube is connected with the first port of described gas-liquid separator, the first port of described the second stop valve is connected with the E mouth of described cross valve, the S mouth of described cross valve is connected with the first port of described gas-liquid separator, the second port of described gas-liquid separator is connected with the second port of described compressor, the first port of described auxiliary flow channel tube is connected with the second port of described primary throttle valve or the second port of described primary flow path pipe by assistant connecting pipe, wherein, described stop valve, described auxiliary throttle valve and the cold choke valve of described mistake are arranged on described assistant connecting pipe, and are connected in series with the cold choke valve of described mistake after described stop valve and described auxiliary throttle valve parallel connection.
The air conditioner outdoor unit system that the utility model provides, assurance system is when little load condition, the refrigerant that flow through cold choke valve has less flowed fluctuation, the flow curve that makes its formation is stable minor swing flow curve, thereby the stability of raising system when little load condition, to reach the object of enhancing product performance.
And system, when large load condition, still can guarantee that the refrigerant of large flow enters assistant connecting pipe, and be pooled to cold choke valve place and carried out throttling cooling, so that cross cold heat exchanger liquid, obtained larger degree of supercooling.
According to an embodiment of the present utility model, the first port of described auxiliary flow channel tube is connected with the second port of described primary throttle valve by described assistant connecting pipe.
According to an embodiment of the present utility model, the first port of described auxiliary flow channel tube is connected with the second port of described primary flow path pipe by described assistant connecting pipe.
According to an embodiment of the present utility model, described primary throttle valve is capillary or electric expansion valve.
According to an embodiment of the present utility model, the cold choke valve of described mistake is electric expansion valve; Described stop valve is magnetic valve; Described auxiliary throttle valve is capillary.
According to an embodiment of the present utility model, described the first stop valve is that high-pressure stop valve, described the second stop valve are low-pressure shutoff valve.
The embodiment of the utility model second aspect provides a kind of air-conditioning, comprising: indoor set; With the air conditioner outdoor unit system described in above-described embodiment, described air conditioner outdoor unit system is connected with described indoor set.
The air-conditioning that the utility model provides, the good stability of the air conditioner outdoor unit system on it, effectively the quality of improving product, has met user's user demand better.
According to an embodiment of the present utility model, described indoor set comprises described indoor heat exchanger, the 3rd tube connector and the 4th tube connector, the first port of described indoor heat exchanger by described the 3rd tube connector be connected with the second port of described the first stop valve, the second port of described indoor heat exchanger is connected with the second port of described the second stop valve by described the 4th tube connector.
In sum, the air conditioner outdoor unit system that the utility model provides, assurance system is when little load condition, the refrigerant that flow through cold choke valve has less flowed fluctuation, the flow curve that makes its formation is stable minor swing flow curve, thereby the stability of raising system when little load condition, to reach the object of enhancing product performance.
Additional aspect of the present utility model and advantage will become in description part below obviously, or recognize by practice of the present utility model.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present utility model and advantage accompanying drawing below combination obviously and is easily understood becoming the description of embodiment, wherein:
Fig. 1 is the structural representation of air conditioner outdoor unit system one embodiment described in the utility model;
Fig. 2 is the structural representation of another embodiment of air conditioner outdoor unit system described in the utility model.
Wherein, in Fig. 1 and Fig. 2, the corresponding relation between Reference numeral and component names is:
1 compressor, 2 outdoor heat exchangers, 3 primary throttle valves, 4 cross cold choke valve, 5 stop valves, 6 auxiliary throttle valves, 7 cross cold heat exchanger, 8 first stop valves, 9 second stop valves, 10 gas-liquid separators, 11 assistant connecting pipes, 12 cross valves, 13 main hydraulic pipes, 14 cross cold assembly.
The specific embodiment
In order more clearly to understand above-mentioned purpose of the present utility model, feature and advantage, below in conjunction with the drawings and specific embodiments, the utility model is further described in detail.It should be noted that, in the situation that not conflicting, the application's embodiment and the feature in embodiment can combine mutually.
A lot of details have been set forth in the following description so that fully understand the utility model; but; the utility model can also adopt other to be different from mode described here and implement, and therefore, protection domain of the present utility model is not subject to the restriction of following public specific embodiment.
Particularly point out: the remaining part in Fig. 1 and Fig. 2 except compressor and cross valve, its first port is the connector in its left side, the connector that the second port is its right side, the connector that the connector that the first port of compressor is its upper end, the second port are its lower end.
The utility model provides a kind of air conditioner outdoor unit system, as depicted in figs. 1 and 2, comprise compressor 1, outdoor heat exchanger 2, primary throttle valve 3, the cold choke valve 4 of mistake, stop valve 5, auxiliary throttle valve 6, cross cold heat exchanger 7, the first stop valve 8, the second stop valve 9, cross valve 12 and gas-liquid separator 10, the described cold heat exchanger 7 of crossing has primary flow path pipe and auxiliary flow channel tube, the first port of described outdoor heat exchanger 2 is connected with the C mouth of described cross valve, the second port of described outdoor heat exchanger 2 is connected with the first port of described primary throttle valve 3, the second port of described primary throttle valve 3 is connected with the first port of described primary flow path pipe, the second port of described primary flow path pipe is connected with the first port of described the first stop valve 8, the second port of described auxiliary flow channel tube is connected with the first port of described gas-liquid separator 10, the first port of described the second stop valve 9 is connected with the E mouth of described cross valve 12, the S mouth of described cross valve 12 is connected with the first port of described gas-liquid separator 10, the second port of described gas-liquid separator 10 is connected with the second port of described compressor 1, the first port of described auxiliary flow channel tube is connected with the second port of described primary throttle valve 3 or the second port of described primary flow path pipe by assistant connecting pipe 11, wherein, the cold choke valve 4 of described stop valve 5, described auxiliary throttle valve 6 and described mistake is arranged on described assistant connecting pipe 11, and is connected in series with the cold choke valve 4 of described mistake after described stop valve 5 and 6 parallel connections of described auxiliary throttle valve.
The air conditioner outdoor unit system that the utility model provides, assurance system is when little load condition, the refrigerant that flow through cold choke valve 4 has less flowed fluctuation, the flow curve that makes its formation is stable minor swing flow curve, thereby the stability of raising system when little load condition, to reach the object of enhancing product performance.
And system, when large load condition, still can guarantee that the refrigerant of large flow enters assistant connecting pipe 11, and be pooled to cold choke valve 4 places and carried out throttling cooling, so that cross cold heat exchanger 7 liquid, obtained larger degree of supercooling.
Wherein, described cold heat exchanger 7 is excessively plate type heat exchanger or double pipe heat exchanger, and cold choke valve is preferably near gas-liquid separator setting excessively; Certainly, stop valve and auxiliary throttle valve in parallel also can be realized the application's object near gas-liquid separator setting, and its aim does not depart from design philosophy of the present utility model, should belong to the application's protection domain.
In an embodiment of the present utility model, as shown in Figure 1, the first port of described auxiliary flow channel tube is connected with the second port of described primary throttle valve 3 by described assistant connecting pipe 11, that is: the second port of described primary throttle valve 3 is the branched structure with two ports, and one of them port is connected with the first port of primary flow path pipe, another port is connected with assistant connecting pipe 11.
Certainly, above-described embodiment can be also: as shown in Figure 2, the first port of described auxiliary flow channel tube is connected with the second port of described primary flow path pipe by described assistant connecting pipe 11, that is: the second port of described primary flow path pipe is the branched structure with two ports, and one of them port is connected with the first port of the first stop valve 8, another port is connected with assistant connecting pipe 11.
Further, described primary throttle valve 3 is capillary or electric expansion valve; The cold choke valve 4 of described mistake is electric expansion valve; Described stop valve 5 is magnetic valve; Described auxiliary throttle valve 6 is capillary; Described the first stop valve 8 is that high-pressure stop valve, described the second stop valve 9 are low-pressure shutoff valve.
Wherein, the connected relation of two kinds of working methods of cross valve 12 is: D mouth is communicated with C mouth, E mouth is communicated with S mouth, or D mouth is communicated with E mouth, C mouth is communicated with S mouth.
The course of work of describing the air conditioner outdoor unit system that the utility model provides in conjunction with Fig. 1 and Fig. 2 is as follows:
When system is during in larger load condition, crossing cold assembly 14 (comprises assistant connecting pipe 11, stop valve 5, auxiliary throttle valve 6 and crosses cold choke valve 4, as in Figure 1 and Figure 2 shown in dotted line frame) need the refrigerant of the larger flow of input, now opening stop valve 5, the refrigerant of drawing from main hydraulic pipe 13 (that is: the second port of primary throttle valve 3 or the second port of primary flow path pipe) flow through stop valve 5 and auxiliary throttle valve 6 be pooled to cold electrical throttle valve 4 and carry out throttling cooling, make system (that is: cross cold heat exchanger 7) obtain larger degree of supercooling; When system is during in little load condition, crossing cold assembly 14 needs input to obtain larger degree of supercooling compared with the refrigerant of low discharge, now close stop valve 5, the refrigerant of drawing from main hydraulic pipe 13 first passes through auxiliary throttle valve 6 throttlings, and then be cold choke valve 7, and now cross cold choke valve 7 and can be set to a larger aperture (middle aperture), owing to crossing the characteristic of the flow curve of cold choke valve 7, be when the less aperture, flow curve is steeper, flow-control poor performance; When middle aperture, flow curve is more steady, and flow-control performance is good, so time stream through the refrigerant of cold choke valve 7 at auxiliary throttle valve 6 with cross under the co-controlling of cold choke valve 7, flow is comparatively stable, the stability of system can obviously promote like this.
The utility model also provides a kind of air-conditioning (not shown), comprising: indoor set (not shown); With the air conditioner outdoor unit system described in above-described embodiment, described air conditioner outdoor unit system is connected with described indoor set.
Wherein, described indoor set comprises described indoor heat exchanger, the 3rd tube connector and the 4th tube connector, the first port of described indoor heat exchanger by described the 3rd tube connector be connected with the second port of described the first stop valve 8, the second port of described indoor heat exchanger is connected with the second port of described the second stop valve 9 by described the 4th tube connector.
In sum, the air conditioner outdoor unit system that the utility model provides, assurance system is when little load condition, the refrigerant that flow through cold choke valve has less flowed fluctuation, the flow curve that makes its formation is stable minor swing flow curve, thereby the stability of raising system when little load condition, to reach the object of enhancing product performance.
In description of the present utility model, term " is connected ", " connection " etc. all should be interpreted broadly, and for example, " connection " can be to be fixedly connected with, and can be also to removably connect, or connects integratedly; Can be to be directly connected, also can indirectly be connected by intermediary.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.
In the description of this description, the description of term " embodiment " 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, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiment or example.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. an air conditioner outdoor unit system, it is characterized in that, comprise compressor, outdoor heat exchanger, primary throttle valve, the cold choke valve of mistake, stop valve, auxiliary throttle valve, cross cold heat exchanger, the first stop valve, the second stop valve, cross valve and gas-liquid separator, the described cold heat exchanger of crossing has primary flow path pipe and auxiliary flow channel tube, the first port of described outdoor heat exchanger is connected with the C mouth of described cross valve, the second port of described outdoor heat exchanger is connected with the first port of described primary throttle valve, the second port of described primary throttle valve is connected with the first port of described primary flow path pipe, the second port of described primary flow path pipe is connected with the first port of described the first stop valve, the second port of described auxiliary flow channel tube is connected with the first port of described gas-liquid separator, the first port of described the second stop valve is connected with the E mouth of described cross valve, the S mouth of described cross valve is connected with the first port of described gas-liquid separator, the second port of described gas-liquid separator is connected with the second port of described compressor, the first port of described auxiliary flow channel tube is connected with the second port of described primary throttle valve or the second port of described primary flow path pipe by assistant connecting pipe,
Wherein, described stop valve, described auxiliary throttle valve and the cold choke valve of described mistake are arranged on described assistant connecting pipe, and are connected in series with the cold choke valve of described mistake after described stop valve and described auxiliary throttle valve parallel connection.
2. air conditioner outdoor unit system according to claim 1, is characterized in that,
The first port of described auxiliary flow channel tube is connected with the second port of described primary throttle valve by described assistant connecting pipe.
3. air conditioner outdoor unit system according to claim 1, is characterized in that,
The first port of described auxiliary flow channel tube is connected with the second port of described primary flow path pipe by described assistant connecting pipe.
4. according to the air conditioner outdoor unit system described in any one in claims 1 to 3, it is characterized in that,
Described primary throttle valve is capillary or electric expansion valve.
5. according to the air conditioner outdoor unit system described in any one in claims 1 to 3, it is characterized in that,
The cold choke valve of described mistake is electric expansion valve; Described stop valve is magnetic valve; Described auxiliary throttle valve is capillary.
6. according to the air conditioner outdoor unit system described in any one in claims 1 to 3, it is characterized in that,
Described the first stop valve is that high-pressure stop valve, described the second stop valve are low-pressure shutoff valve.
7. an air-conditioning, is characterized in that, comprising:
Indoor set; With
Air conditioner outdoor unit system as described in any one in claim 1 to 6, described air conditioner outdoor unit system is connected with described indoor set.
8. air-conditioning according to claim 7, is characterized in that,
Described indoor set comprises described indoor heat exchanger, the 3rd tube connector and the 4th tube connector, the first port of described indoor heat exchanger by described the 3rd tube connector be connected with the second port of described the first stop valve, the second port of described indoor heat exchanger is connected with the second port of described the second stop valve by described the 4th tube connector.
Priority Applications (1)
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CN201420199273.9U CN203869192U (en) | 2014-04-22 | 2014-04-22 | Air conditioner outdoor unit system and air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420199273.9U CN203869192U (en) | 2014-04-22 | 2014-04-22 | Air conditioner outdoor unit system and air conditioner |
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CN203869192U true CN203869192U (en) | 2014-10-08 |
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CN201420199273.9U Expired - Lifetime CN203869192U (en) | 2014-04-22 | 2014-04-22 | Air conditioner outdoor unit system and air conditioner |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114992719A (en) * | 2022-05-16 | 2022-09-02 | 珠海格力电器股份有限公司 | Outdoor heat exchange assembly, outdoor unit, air conditioning system and control method |
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2014
- 2014-04-22 CN CN201420199273.9U patent/CN203869192U/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114992719A (en) * | 2022-05-16 | 2022-09-02 | 珠海格力电器股份有限公司 | Outdoor heat exchange assembly, outdoor unit, air conditioning system and control method |
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