CN204329177U - Carry the indoor set of supercooling apparatus - Google Patents
Carry the indoor set of supercooling apparatus Download PDFInfo
- Publication number
- CN204329177U CN204329177U CN201420813410.3U CN201420813410U CN204329177U CN 204329177 U CN204329177 U CN 204329177U CN 201420813410 U CN201420813410 U CN 201420813410U CN 204329177 U CN204329177 U CN 204329177U
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- pipe
- heat exchanger
- export
- liquid pipe
- indoor set
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The utility model relates to a kind of indoor set carrying supercooling apparatus, indoor set comprises casing, be arranged on the heat exchanger in casing, for the liquid pipe connected pipe be connected with off-premises station liquid pipe, liquid pipe connected pipe is connected with heat exchanger, cold orifice union was in series with between liquid pipe connected pipe and heat exchanger, cross cold orifice union and comprise subcooler, first throttle parts, subcooler has liquid tube inlet end, the liquid pipe port of export, the tracheae port of export and the tracheae port of export, liquid tube inlet end is connected with liquid pipe connected pipe, the liquid pipe port of export is connected with the entrance of throttle part, air pipe inlet end is connected with the outlet of throttle part, the tracheae port of export is connected with heat exchanger.The utility model cost is low, cross cold after refrigerant flow to heat exchanger and carry out cooling heat exchange, loss of refrigeration capacity is less, any software control need not be changed, effectively solve the problem that the degree of supercooling of the off-premises station out refrigeration refrigerant abnormal sound that produces not of refrigerant degree of supercooling and recuperation of heat changes in temperature multi-connected machine is simultaneously inadequate.
Description
Technical field
the utility model relates to multi-connected air conditioning system, particularly relates to a kind of indoor set carrying supercooling apparatus.
Background technology
along with the noise requirements of present market to product is more and more harsher, each manufacturer all reduces noise at the air quantity reducing indoor set, but air quantity reduces level of noise to fall little, and thing followed refrigerant sound seems to compare and highlights.Japanese producer adopts the way increasing subcooler in outside mostly, increases liquid side degree of supercooling, so that the liquid refrigerant of machine has stable degree of supercooling in flowing to, flows through throttle part without flash gas, reduces refrigerant flow noise.But increase subcooler and cause a large amount of refrigerant bypass, reduce overall performance, control more complicated and will participate in controlling under the cooperation of pressure sensor, heat exchanger components cost is high, limited space, and increase of controlling cost simultaneously.Outside subcooler can be forced closed when delivery temperature is lower in addition.
air Conditioning System with Heat, in some recuperation of heat operating modes, the liquid pipe side of indoor set cannot ensure degree of supercooling, so refrigerant sound can be caused, so some can increase supercooling apparatus, the similar off-premises station supercooling apparatus of principle (EXV+ sub-cooling coil device) of these supercooling apparatus at switching valve cap, cost is very high, the indoor set that every valve cap connects is fewer, and whole system cost is higher.
Summary of the invention
the purpose of this utility model is to provide a kind of indoor set carrying supercooling apparatus.
for achieving the above object, the technical solution adopted in the utility model is:
a kind of indoor set carrying supercooling apparatus, described indoor set comprises casing, be arranged on the heat exchanger in described casing, for the liquid pipe connected pipe be connected with off-premises station liquid pipe, described liquid pipe connected pipe is connected with described heat exchanger, cold orifice union was in series with between described liquid pipe connected pipe and described heat exchanger, the cold orifice union of described mistake comprises subcooler, first throttle parts, described subcooler has liquid tube inlet end, the liquid pipe port of export, the tracheae port of export and the tracheae port of export, described liquid tube inlet end is connected with described liquid pipe connected pipe, the described liquid pipe port of export is connected with the entrance of described throttle part, described air pipe inlet end is connected with the outlet of described throttle part, the described tracheae port of export is connected with described heat exchanger.
preferably, described subcooler, first throttle parts are all arranged in described casing.
preferably, the cold orifice union of described mistake also comprises second section stream unit, and described second section stream unit is connected between the tracheae port of export of described subcooler and heat exchanger.
further preferably, described subcooler, first throttle parts are all arranged on outside described casing, and described second section stream unit is arranged in described casing.
further preferably, described second section stream unit is electric expansion valve.
preferably, described subcooler is double-tube heat exchanger.
preferably, described first throttle parts are throttle capillary tube or electric expansion valve.
because technique scheme is used, the utility model compared with prior art has following advantages:
the utility model cost is low, cross cold after refrigerant flow to heat exchanger and carry out cooling heat exchange, loss of refrigeration capacity is less, any software control need not be changed, effectively solve the problem that the degree of supercooling of the off-premises station out refrigeration refrigerant abnormal sound that produces not of refrigerant degree of supercooling and recuperation of heat changes in temperature multi-connected machine is simultaneously inadequate.
Accompanying drawing explanation
accompanying drawing 1 is the structural representation of embodiment one;
accompanying drawing 2 is the structural representation of embodiment two;
accompanying drawing 3 is the structural representation of embodiment three.
wherein: 1, heat exchanger; 2, liquid pipe connected pipe; 3, tracheae tube connector; 40, throttle capillary tube; 41, electric expansion valve; 42, electric expansion valve; 5, subcooler; 50, liquid tube inlet end; 51, the liquid pipe port of export; 52, the tracheae port of export; 53, the tracheae port of export; 6, filter; 7, electric expansion valve.
Detailed description of the invention
below in conjunction with drawings and Examples, the utility model is further described:
embodiment one:
a kind of indoor set carrying supercooling apparatus as shown in Figure 1, this indoor set is capillary-compensated refrigerant machine.
indoor set comprises casing, the heat exchanger 1 be arranged in casing, liquid pipe connected pipe 2, tracheae tube connector 3 etc. for being connected with off-premises station liquid pipe, tracheae, wherein: liquid pipe connected pipe 2 is connected with heat exchanger 1.Be in series with cold orifice union between liquid pipe connected pipe 2 and heat exchanger 1, cross cold orifice union and comprise subcooler 5, throttle capillary tube 40, subcooler 5 can be selected as double-tube heat exchanger.Subcooler 5, throttle capillary tube 40 are all arranged in casing, integrally.Subcooler 5 has liquid tube inlet end 50, the liquid pipe port of export 51, the tracheae port of export 52 and the tracheae port of export 53, liquid tube inlet end 50 is connected with liquid pipe connected pipe 2, the liquid pipe port of export 51 is connected with the entrance of throttle capillary tube 40, air pipe inlet end 52 is connected with the outlet of throttle capillary tube 40, and the tracheae port of export 53 is connected with heat exchanger 1.
after liquid refrigerants enters indoor set, first enter subcooler 5 through liquid pipe connected pipe 2, after heat exchange, flow to throttle capillary tube 40, then enter the tracheae of subcooler 5, then flow to indoor set heat exchanger 1.The more former indoor machine structure of this scheme does not increase extra throttle part, and does not affect the original control program of indoor set, and change is convenient.
embodiment two:
a kind of indoor set carrying supercooling apparatus as shown in Figure 2, this indoor set is EXV throttling refrigerant machine.
indoor set comprises casing, the heat exchanger 1 be arranged in casing, liquid pipe connected pipe 2, tracheae tube connector 3 etc. for being connected with off-premises station liquid pipe, tracheae, wherein: liquid pipe connected pipe 2 is connected with heat exchanger 1.Be in series with cold orifice union between liquid pipe connected pipe 2 and heat exchanger 1, cross cold orifice union and comprise subcooler 5, electric expansion valve 41, subcooler 5 can be selected as double-tube heat exchanger.Subcooler 5, electric expansion valve 41 are all arranged in casing, integrally.Subcooler 5 has liquid tube inlet end 50, the liquid pipe port of export 51, the tracheae port of export 52 and the tracheae port of export 53, liquid tube inlet end 50 is connected with liquid pipe connected pipe 2, the liquid pipe port of export 51 is connected with the entrance of electric expansion valve 41, air pipe inlet end 52 is connected with the outlet of electric expansion valve 41, and the tracheae port of export 53 is connected with heat exchanger 1.This external liquid pipe connected pipe 2 and liquid tube inlet end 50, between the tracheae port of export 53 and heat exchanger 1, be respectively arranged with filter 6.
after liquid refrigerants enters indoor set, first enter subcooler 5 through liquid pipe connected pipe 2, after heat exchange, flow to electric expansion valve 41, then enter the tracheae of subcooler 5, then flow to indoor set heat exchanger 1.
embodiment three:
the present embodiment is rectify and improve for the scene of having electronic expansion valve refrigerant machine.Indoor set comprises casing, the heat exchanger 1 be arranged in casing, liquid pipe connected pipe 2, tracheae tube connector 3 etc. for being connected with off-premises station liquid pipe, tracheae, wherein: liquid pipe connected pipe 2 is connected with heat exchanger 1.Cold orifice union was in series with between liquid pipe connected pipe 2 and heat exchanger 1, cross cold orifice union and comprise subcooler 5, first throttle parts and second section stream unit, subcooler 5 can be selected as double-tube heat exchanger, first throttle parts can select throttle capillary tube or electric expansion valve 7, and second section stream unit is electric expansion valve 42.Electric expansion valve 42 is arranged in casing, the same with traditional having electronic expansion valve refrigerant machine, and subcooler 5, electric expansion valve 7 are all arranged on outside casing, can as external or rectification after to obtain cold effect.
the present invention also has following advantage:
1, can as an option to new unit, drag many occasions one, only need increase this option in the occasion (as bedroom) that noise requirements is high, also can as a standard configuration part, for domestic multi-connection machine (≤12Hp) and unit machine and domestic air conditioning, cost is low;
2, cross cold after refrigerant flow to heat exchanger and carry out cooling heat exchange, loss of refrigeration capacity is less;
3, have higher requirements to cost like this for unit machine and domestic air conditioning, control section does not have the indoor set of the parts such as EXV and pressure sensor, and this is crossed cold scheme and seems more superior;
4, for the product with subcooler on market, be pressure sensor to control, cross cold part and also have EXV, also to increase several sensor, in addition due to structure restriction, multiplex plate type heat exchanger is used for making heat exchanger, so integrated cost is higher, the present embodiment is not then with pressure sensor, and the cost crossing cold increase is not high yet;
5, existing produce market is rectified and improved, any software control need not be changed;
6, for three pipelines or two pipelines changes in temperature multi-connected machine simultaneously, off-premises station more has no idea to control the degree of supercooling of indoor set entrance, and the program can well solve the cold problem of mistake of recuperation of heat changes in temperature multi-connected machine simultaneously.
above-described embodiment, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalences done according to the utility model Spirit Essence change or modify, and all should be encompassed within protection domain of the present utility model.
Claims (7)
1. one kind carries the indoor set of supercooling apparatus, described indoor set comprises casing, be arranged on the heat exchanger in described casing, for the liquid pipe connected pipe be connected with off-premises station liquid pipe, described liquid pipe connected pipe is connected with described heat exchanger, it is characterized in that: between described liquid pipe connected pipe and described heat exchanger, be in series with cold orifice union, the cold orifice union of described mistake comprises subcooler, first throttle parts, described subcooler has liquid tube inlet end, the liquid pipe port of export, the tracheae port of export and the tracheae port of export, described liquid tube inlet end is connected with described liquid pipe connected pipe, the described liquid pipe port of export is connected with the entrance of described throttle part, described air pipe inlet end is connected with the outlet of described throttle part, the described tracheae port of export is connected with described heat exchanger.
2. the indoor set carrying supercooling apparatus according to claim 1, is characterized in that: described subcooler, first throttle parts are all arranged in described casing.
3. the indoor set carrying supercooling apparatus according to claim 1, is characterized in that: the cold orifice union of described mistake also comprises second section stream unit, and described second section stream unit is connected between the tracheae port of export of described subcooler and heat exchanger.
4. the indoor set carrying supercooling apparatus according to claim 3, is characterized in that: described subcooler, first throttle parts are all arranged on outside described casing, and described second section stream unit is arranged in described casing.
5. the indoor set carrying supercooling apparatus according to claim 3, is characterized in that: described second section stream unit is electric expansion valve.
6. the indoor set carrying supercooling apparatus according to claim 1, is characterized in that: described subcooler is double-tube heat exchanger.
7. the indoor set carrying supercooling apparatus according to claim 1, is characterized in that: described first throttle parts are throttle capillary tube or electric expansion valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813410.3U CN204329177U (en) | 2014-12-19 | 2014-12-19 | Carry the indoor set of supercooling apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420813410.3U CN204329177U (en) | 2014-12-19 | 2014-12-19 | Carry the indoor set of supercooling apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN204329177U true CN204329177U (en) | 2015-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420813410.3U Active CN204329177U (en) | 2014-12-19 | 2014-12-19 | Carry the indoor set of supercooling apparatus |
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| CN (1) | CN204329177U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059106A (en) * | 2018-06-20 | 2018-12-21 | 广东美的暖通设备有限公司 | Indoor unit, control method and the air-conditioning system of air-conditioning system |
| WO2020057210A1 (en) * | 2018-09-21 | 2020-03-26 | 青岛海尔空调电子有限公司 | Cooling and heating switching device for variable refrigerant flow system capable of heat recovery, variable refrigerant flow system, and control method |
| CN111059615A (en) * | 2019-12-20 | 2020-04-24 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system |
-
2014
- 2014-12-19 CN CN201420813410.3U patent/CN204329177U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109059106A (en) * | 2018-06-20 | 2018-12-21 | 广东美的暖通设备有限公司 | Indoor unit, control method and the air-conditioning system of air-conditioning system |
| WO2020057210A1 (en) * | 2018-09-21 | 2020-03-26 | 青岛海尔空调电子有限公司 | Cooling and heating switching device for variable refrigerant flow system capable of heat recovery, variable refrigerant flow system, and control method |
| CN111059615A (en) * | 2019-12-20 | 2020-04-24 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system |
| WO2021120784A1 (en) * | 2019-12-20 | 2021-06-24 | 青岛海尔空调电子有限公司 | Multi-split air conditioning system |
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| GR01 | Patent grant |