CN203375573U - Device for improving degree of supercooling of refrigerant of multi-split air conditioners and multi-split air conditioners with same - Google Patents
Device for improving degree of supercooling of refrigerant of multi-split air conditioners and multi-split air conditioners with same Download PDFInfo
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- CN203375573U CN203375573U CN201320312916.1U CN201320312916U CN203375573U CN 203375573 U CN203375573 U CN 203375573U CN 201320312916 U CN201320312916 U CN 201320312916U CN 203375573 U CN203375573 U CN 203375573U
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Abstract
The utility model provides a device for improving the degree of supercooling of refrigerant of multi-split air conditioners and the multi-split air conditioners provided with the device. The multi-split air conditioners comprise an outdoor unit and at least two indoor units, wherein the outdoor unit is respectively communicated with the two indoor units and connected with the two indoor units in a multiple circuit mode. The device for improving the degree of supercooling of refrigerant of the multi-split air conditioners comprises a refrigerant heat exchanger and a condensing water collecting device, the refrigerant heat exchanger is respectively communicated with the outdoor unit and the at least two indoor units, one end of the condensing water collecting device is communicated to the at least two indoor units in parallel, and the other end of the condensing water collecting device is communicated with the refrigerant heat exchanger. The refrigerant heat exchanger and the condensing water collecting device are arranged, so heat exchanging is carried out on the refrigerant of the multi-split air conditioners through refrigerant heat exchanger and the condensing water of the condensing water collecting device, the degree of supercooling of the refrigerant is improved, refrigerating capacity of the multi-split air conditioners is improved, and therefore not only can refrigeration energy consumption of the multi-split air conditioners be reduced, but also the level of acoustic sound produced in refrigeration of the multi-split air conditioners is reduced. The utility model further provides the multi-split air conditioners provided with the device.
Description
Technical field
The utility model relates to art of refrigeration units, relates in particular to a kind of device for the refrigerant degree of supercooling that improves multi-connected machine and has the multi-connected machine of this device.
Background technology
Multi-connected machine is commonly called as " one drag many ", refer to one or more off-premises station and connect two or more indoor sets by pipe arrangement, outside adopts air-cooled or water-cooled heat exchange form, indoor to adopt direct evaporation and heat-exchange form, multi-connected machine is a kind of primary coolant air-conditioning system, it take cold-producing medium as pumped (conveying) medium, outdoor host computer is comprised of outdoor heat exchanger, compressor and other refrigeration annexes, the indoor set that end equipment is comprised of direct-evaporation-type heat exchanger and blower fan.An off-premises station can be to several indoor set refrigerant conveying liquid by pipeline.By the circulating mass of refrigerant of controlling compressor and the refrigerant flow that enters indoor each heat exchanger, can in time meet indoor hot and cold burden requirement, the plurality of advantages such as that the multi-connected machine system has is energy-conservation, comfortable, smooth running, and each room can independently regulate, can meet the not demand of the different air conditioner loads of chummery.But the energy consumption for cooling of current multi-connected machine is larger, this becomes many cost of enterprise undoubtedly.And, in the multi-connected machine practical application, because pipe arrangement is long, drop distance between inside and outside machine is large, when the degree of supercooling of system is not enough, the state that refrigerant enters inboard throttle part is the gas-liquid mixed state, will when throttling, produce noise like this, and these noises are easy to affect the user who works, has a rest, caused user's discomfort.
Therefore, be necessary to provide a kind of technological means to address the aforementioned drawbacks.
The utility model content
The purpose of this utility model is to overcome the defect of prior art, a kind of device for the refrigerant degree of supercooling that improves multi-connected machine is provided, in order to solve the current multi-connected machine energy consumption for cooling larger problem of noise large, that produce while freezing, simultaneously, also provide a kind of multi-connected machine with this device.
The utility model is to realize like this, a kind of device for the refrigerant degree of supercooling that improves multi-connected machine, described multi-connected machine comprises outdoor unit and at least two indoor units, described off-premises station group is communicated in respectively these at least two described indoor units and is shunt circuit with it and is connected, the described device for the refrigerant degree of supercooling that improves multi-connected machine comprises refrigerant heat exchanger and in order to the condensed water collecting device of the condensed water of collecting described indoor units, described refrigerant heat exchanger is located at and is communicated with described outdoor unit and at least two described indoor units and makes on its pipeline that forms closed circuit, one end of described condensed water collecting device is connected in parallel in these at least two described indoor units, the other end connects described refrigerant heat exchanger.
Particularly, described refrigerant heat exchanger is located between the connecting line of the inside of the inside of described outdoor unit, described indoor units or described outdoor unit and at least two described indoor units.
Particularly, described refrigerant heat exchanger is double pipe heat exchanger or plate type heat exchanger.
Particularly, described outdoor unit comprises compressor, outdoor heat exchanger, cross valve and outdoor throttling arrangement, described compressor is communicated in described cross valve successively, described outdoor heat exchanger and described outdoor throttling arrangement, and this compressor is closed circuit with cross valve and is connected, each described indoor units comprises indoor heat exchanger and indoor throttling arrangement, described indoor heat exchanger is and is communicated with setting with described indoor throttling arrangement, described outdoor throttling arrangement is communicated in each described indoor throttling arrangement by a main flow pipeline parallel connection, described cross valve is communicated in each described indoor heat exchanger by a reflux line parallel connection, described refrigerant heat exchanger is located between described outdoor throttling arrangement and each described indoor throttling arrangement,
Further, be provided with one first stop valve between described outdoor throttling arrangement and described refrigerant heat exchanger, between described cross valve and each described indoor heat exchanger, be provided with one second stop valve.
Particularly, described condensed water collecting device comprises the condensation water collection unit corresponding with the quantity of described indoor units, and each described condensation water collection unit correspondence is connected in each described indoor units.
Particularly, also comprise that one gets the water pump of the condensed water of described condensed water collecting device collection to described refrigerant heat exchanger in order to pump, described water pump is communicated between described refrigerant heat exchanger and described condensed water collecting device.
Particularly, described outdoor throttling arrangement is electric expansion valve or capillary; Described indoor throttling arrangement is electric expansion valve or capillary.
Particularly, described outdoor unit at least has two, and these at least two off-premises station groups are communicated in respectively at least two described indoor units independently.
The multi-connected machine that the utility model provides, have the above-mentioned device for the refrigerant degree of supercooling that improves multi-connected machine.
Technique effect of the present utility model is: by disposing refrigerant heat exchanger and condensed water collecting device, so that the condensed water of the refrigerant of multi-connected machine by refrigerant heat exchanger and condensed water collecting device carries out heat exchange, improve its degree of supercooling with this, thereby improve the refrigerating capacity of multi-connected machine, like this, not only reasonably utilize condensed water, and can also reduce the noise decibel that the energy consumption for cooling of multi-connected machine and when refrigeration thereof produce.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is device the first embodiment for the refrigerant degree of supercooling that improves multi-connected machine of the present utility model;
The schematic diagram that Fig. 2 is device the second embodiment for the refrigerant degree of supercooling that improves multi-connected machine of the present utility model;
The schematic diagram that Fig. 3 is device the 3rd embodiment for the refrigerant degree of supercooling that improves multi-connected machine of the present utility model.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Embodiment mono-:
Refer to shown in Fig. 1, the utility model provides a kind of device 40 for the refrigerant degree of supercooling that improves multi-connected machine 100, multi-connected machine 100 comprises outdoor unit 20 and at least two indoor units 30, outdoor unit 20 is communicated in respectively these at least two indoor units 30 and is shunt circuit with it and is connected, comprise refrigerant heat exchanger 41 and in order to the condensed water collecting device 42 of the condensed water of collecting indoor units 30 for the device 40 of refrigerant degree of supercooling that improves multi-connected machine 100, refrigerant heat exchanger 41 is communicated in respectively outdoor unit 20, at least two indoor units 30, one end parallel connection of condensed water collecting device 42 is communicated in this at least two indoor units 30, the other end is communicated in refrigerant heat exchanger 41.By disposing refrigerant heat exchanger 41 and condensed water collecting device 42, can make the refrigerant of multi-connected machine 100 carry out heat exchange by refrigerant heat exchanger 41 and the condensed water of condensed water collecting device 42, improve its degree of supercooling with this, thereby improve the refrigerating capacity of multi-connected machine 100, like this, not only reasonably utilized condensed water, and can also reduce the energy consumption for cooling of multi-connected machine 100, simultaneously, arrange one regularly in the latus rectum of throttle part and length, because the degree of supercooling of refrigerant is improved, its flowing velocity is compared original slow, therefore, this refrigerant can not produce because its flowing velocity is too fast larger noise during by throttle part, virtually weakened the impact of noise on the user, and raising user's comfort level.
Particularly, refrigerant heat exchanger 41 is located between the connecting line of the inside of inside, indoor units 30 of outdoor unit 20 or outdoor unit 20 and at least two indoor units 30.Wherein, the setting position of refrigerant heat exchanger 41, the mainly installation based on multi-connected machine 100 and user's demand.
Preferably, refrigerant heat exchanger 41 is double pipe heat exchanger or plate type heat exchanger, but the enforcement of the present embodiment also can adopt the heat exchanger of other structures not as limit.
Wherein, double pipe heat exchanger is with two kinds of different standard pipes of size concentric circles sleeve pipe that is formed by connecting, outside be shell side, the inner tube side that cries.Two kinds of different mediums can reverse flow in shell side and tube side (or in the same way) to reach the effect of heat exchange.
Plate type heat exchanger is a kind of new type high efficient heat exchanger formed by a series of sheet metal closed assemblies with certain bellows-shaped.Form the thin rectangular shape passage between various plates, by half sheet, carry out exchange heat.
Particularly, outdoor unit 20 comprises compressor 21, outdoor heat exchanger 23, cross valve 22 and outdoor throttling arrangement 24, compressor 21 is communicated in cross valve 22 successively, outdoor heat exchanger 23 and outdoor throttling arrangement 24, and this compressor 21 is closed circuit with cross valve 22 and is connected, each indoor units 30 comprises indoor heat exchanger 31 and indoor throttling arrangement 32, indoor heat exchanger 31 is and is communicated with setting with indoor throttling arrangement 32, outdoor throttling arrangement 24 is communicated in these at least two indoor throttling arrangements 32 by main flow pipeline 51 parallel connections, cross valve 22 is communicated in this at least two indoor heat exchangers 31 by reflux line 52 parallel connections, refrigerant heat exchanger 41 is located between outdoor throttling arrangement 24 and these at least two indoor throttling arrangements 32, by refrigerant heat exchanger 41 being located between outdoor throttling arrangement 24 and these at least two indoor throttling arrangements 32, compare the setting of the installation personnel of being more convenient for other setting positions.Further, be provided with one first stop valve 61 between outdoor throttling arrangement 24 and refrigerant heat exchanger 41, between cross valve 22 and at least two indoor heat exchangers 31, be provided with one second stop valve 62.Wherein, the setting of the first stop valve 61, for ease of being communicated with between the outer throttling device 24 of the system control office of multi-connected machine 100 and refrigerant heat exchanger 41, in like manner, the setting of the second stop valve 62, control being communicated with between cross valve 22 and at least two indoor heat exchangers 31 for ease of the system of multi-connected machine 100.
Preferably, condensed water collecting device 42 comprises the condensation water collection unit 421 corresponding with the quantity of indoor units 30, be that each condensation water collection unit 421 correspondence is connected in each indoor units 30, like this, because each indoor units 30 disposes a condensation water collection unit 421, guarantee preferably the collection of condensed water.
Particularly, outdoor throttling arrangement 24 is electric expansion valve or capillary; Indoor throttling arrangement 32 is electric expansion valve or capillary.
Wherein, acting as of electric expansion valve: according to signals such as temperature, pressure, by electronic controller output control signal, by electronic mode, automatically regulate the throttling flow velocity.
Capillaceous acting as: during refrigeration, function capillaceous is by the high-pressure liquid refrigerant out from outdoor heat exchanger 23, makes its liquid refrigerants that becomes low pressure by throttling expansion, then enters indoor heat exchanger 31.
Embodiment bis-:
Refer to shown in Fig. 2, embodiment bis-of the present utility model is similar with the concrete structure of embodiment mono-, it also provides a kind of device 40 for the refrigerant degree of supercooling that improves multi-connected machine 100, multi-connected machine 100 comprises outdoor unit 20 and at least two indoor units 30, and comprise refrigerant heat exchanger 41 and in order to the condensed water collecting device 42 of the condensed water of collecting indoor units 30 for the device 40 of the refrigerant degree of supercooling that improves multi-connected machine 100, and, embodiment bis-also includes the architectural feature of the other parts of embodiment mono-, at this, be not described further, but specifically stating of reference example one.As for embodiment bis-, with the difference of embodiment mono-, be: in embodiment bis-, also include in order to pump and get condensed water that condensed water collecting device 42 the collects water pump 43 to refrigerant heat exchanger 41 for the device 40 of refrigerant degree of supercooling that improves multi-connected machine 100, and this water pump 43 is communicated between refrigerant heat exchanger 41 and condensed water collecting device 42.By water pump 43, when condensed water is delivered to refrigerant heat exchanger 41, needn't be merely by Action of Gravity Field, in other words, the condensate pump that can will be in any position by water pump 43 is delivered to condensed water heat exchanger 41, convenient and swift.
Below in conjunction with Fig. 2, the operation principle of the device 40 for the refrigerant degree of supercooling that improves multi-connected machine 100 of embodiment bis-of the present utility model is further described:
In Fig. 2, after compressor 21 is produced refrigerant, this refrigerant can pass through cross valve 22 successively, outdoor heat exchanger 23, outdoor throttling arrangement 24, then enter refrigerant heat exchanger 41, and in refrigerant heat exchanger 41, it is understood and carries out heat exchange operation by water pump 43 condensed water that pump is got from condensed water collecting device 42, also can utilize Action of Gravity Field that the condensed water of condensed water collecting device 42 is delivered to refrigerant heat exchanger 41 herein, refrigerant is after carrying out heat exchange with condensed water, it can be divided at least two parts, and every part of refrigerant correspondence enters an indoor units 30, and when indoor units 30, successively by indoor throttling arrangement 32, indoor heat exchanger 31, when its condensed water that carries out condensing into after heat exchange with indoor air can leave in corresponding condensation water collection unit 421.After complete, refrigerant can be back to compressor 21 by reflux line 52, more then carries out next cycling.
Embodiment tri-:
Refer to shown in Fig. 3, embodiment tri-of the present utility model is similar with the concrete structure of embodiment bis-, it also provides a kind of device 40 for the refrigerant degree of supercooling that improves multi-connected machine 100, multi-connected machine 100 comprises outdoor unit 20 and at least two indoor units 30, and comprise refrigerant heat exchanger 41 for the device 40 of the refrigerant degree of supercooling that improves multi-connected machine 100, get condensed water that condensed water collecting device 42 the collects water pump 43 to refrigerant heat exchanger 41 in order to the condensed water collecting device 42 of the condensed water of collecting indoor units 30 and in order to pump, and, embodiment tri-also includes the architectural feature of the other parts of embodiment bis-, at this, be not described further, can be with reference to foregoing description.As for embodiment tri-, with the difference of embodiment bis-, be: in embodiment tri-, outdoor unit 20 is at least two.Wherein, according to the quantity of indoor units 30, correspondingly increase the quantity of outdoor unit 20, to improve the preparation amount of refrigerant, thereby guarantee that indoor units 30 is lowered the temperature to indoor environment fast instantaneously.
The foregoing is only the utility model preferred embodiment; its structure is not limited to the above-mentioned shape of enumerating; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a device that improves the refrigerant degree of supercooling of multi-connected machine, described multi-connected machine comprises outdoor unit and at least two indoor units, described off-premises station group is communicated in respectively these at least two described indoor units and is shunt circuit with it and is connected, it is characterized in that: the device of the refrigerant degree of supercooling of described raising multi-connected machine comprises that refrigerant heat exchanger reaches the condensed water collecting device of the condensed water in order to collect described indoor units, described refrigerant heat exchanger is located at and is communicated with described outdoor unit and at least two described indoor units and makes on its pipeline that forms closed circuit, one end of described condensed water collecting device is connected in parallel in these at least two described indoor units, the other end connects described refrigerant heat exchanger.
2. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 1 is characterized in that: described refrigerant heat exchanger is located between the connecting line of the inside of the inside of described outdoor unit, described indoor units or described outdoor unit and at least two described indoor units.
3. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 1, it is characterized in that: described refrigerant heat exchanger is double pipe heat exchanger or plate type heat exchanger.
4. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 1, it is characterized in that: described outdoor unit comprises compressor, outdoor heat exchanger, cross valve and outdoor throttling arrangement, described compressor is communicated in described cross valve successively, described outdoor heat exchanger and described outdoor throttling arrangement, and this compressor is closed circuit with cross valve and is connected, each described indoor units comprises indoor heat exchanger and indoor throttling arrangement, described indoor heat exchanger is and is communicated with setting with described indoor throttling arrangement, described outdoor throttling arrangement is communicated in each described indoor throttling arrangement by a main flow pipeline parallel connection, described cross valve is communicated in each described indoor heat exchanger by a reflux line parallel connection, described refrigerant heat exchanger is located between described outdoor throttling arrangement and each described indoor throttling arrangement.
5. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 4, it is characterized in that: be provided with one first stop valve between described outdoor throttling arrangement and described refrigerant heat exchanger, between described cross valve and each described indoor heat exchanger, be provided with one second stop valve.
6. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 1, it is characterized in that: described condensed water collecting device comprises the condensation water collection unit corresponding with the quantity of described indoor units, and each described condensation water collection unit correspondence is connected in each described indoor units.
7. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 1, it is characterized in that: also comprise that one gets the water pump of the condensed water of described condensed water collecting device collection to described refrigerant heat exchanger in order to pump, described water pump is communicated between described refrigerant heat exchanger and described condensed water collecting device.
8. the device of the refrigerant degree of supercooling of raising multi-connected machine as claimed in claim 4, it is characterized in that: described outdoor throttling arrangement is electric expansion valve or capillary; Described indoor throttling arrangement is electric expansion valve or capillary.
9. as the device of the refrigerant degree of supercooling of the described raising multi-connected machine of claim 1-8 any one, it is characterized in that: described outdoor unit at least has two, and these at least two off-premises station groups are communicated in respectively at least two described indoor units independently.
10. a multi-connected machine, is characterized in that: the device with refrigerant degree of supercooling of the described raising multi-connected machine of claim 1-9 any one.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320312916.1U CN203375573U (en) | 2013-05-31 | 2013-05-31 | Device for improving degree of supercooling of refrigerant of multi-split air conditioners and multi-split air conditioners with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320312916.1U CN203375573U (en) | 2013-05-31 | 2013-05-31 | Device for improving degree of supercooling of refrigerant of multi-split air conditioners and multi-split air conditioners with same |
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| CN203375573U true CN203375573U (en) | 2014-01-01 |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982943A (en) * | 2014-04-30 | 2014-08-13 | 广东美的暖通设备有限公司 | Multi-split air conditioning system |
| CN104315642A (en) * | 2014-11-17 | 2015-01-28 | 天津市傲绿农副产品集团股份有限公司 | Heat pump heating and dehumidifying device for closed-cycle air |
| CN106813416A (en) * | 2017-01-04 | 2017-06-09 | 广东美的暖通设备有限公司 | Refrigerant flows the device of sound in multiple on-line system and reduction multiple on-line system |
| CN108426322A (en) * | 2018-05-17 | 2018-08-21 | 江苏科技大学 | A kind of domestic multi-connection air conditioner condensed water heat-exchange system |
| CN109899928A (en) * | 2019-03-20 | 2019-06-18 | 广东美的暖通设备有限公司 | The control method and device of the electric expansion valve of indoor machine evaporation entrance |
| CN110285565A (en) * | 2019-06-26 | 2019-09-27 | 珠海格力电器股份有限公司 | Noise reduction equipment, air conditioning unit and control method of air conditioning unit |
| WO2022016727A1 (en) * | 2020-07-22 | 2022-01-27 | 艾默生环境优化技术(苏州)有限公司 | Environment optimization system |
-
2013
- 2013-05-31 CN CN201320312916.1U patent/CN203375573U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103982943A (en) * | 2014-04-30 | 2014-08-13 | 广东美的暖通设备有限公司 | Multi-split air conditioning system |
| CN103982943B (en) * | 2014-04-30 | 2017-11-07 | 广东美的暖通设备有限公司 | Multi-online air-conditioning system |
| CN104315642A (en) * | 2014-11-17 | 2015-01-28 | 天津市傲绿农副产品集团股份有限公司 | Heat pump heating and dehumidifying device for closed-cycle air |
| CN106813416A (en) * | 2017-01-04 | 2017-06-09 | 广东美的暖通设备有限公司 | Refrigerant flows the device of sound in multiple on-line system and reduction multiple on-line system |
| CN106813416B (en) * | 2017-01-04 | 2020-01-07 | 广东美的暖通设备有限公司 | Multi-split system and device for reducing flowing sound of refrigerant in multi-split system |
| CN108426322A (en) * | 2018-05-17 | 2018-08-21 | 江苏科技大学 | A kind of domestic multi-connection air conditioner condensed water heat-exchange system |
| CN109899928A (en) * | 2019-03-20 | 2019-06-18 | 广东美的暖通设备有限公司 | The control method and device of the electric expansion valve of indoor machine evaporation entrance |
| CN110285565A (en) * | 2019-06-26 | 2019-09-27 | 珠海格力电器股份有限公司 | Noise reduction equipment, air conditioning unit and control method of air conditioning unit |
| WO2022016727A1 (en) * | 2020-07-22 | 2022-01-27 | 艾默生环境优化技术(苏州)有限公司 | Environment optimization system |
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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: 20140101 Termination date: 20210531 |