CN106813416A - Refrigerant flows the device of sound in multiple on-line system and reduction multiple on-line system - Google Patents
Refrigerant flows the device of sound in multiple on-line system and reduction multiple on-line system Download PDFInfo
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- CN106813416A CN106813416A CN201710005010.8A CN201710005010A CN106813416A CN 106813416 A CN106813416 A CN 106813416A CN 201710005010 A CN201710005010 A CN 201710005010A CN 106813416 A CN106813416 A CN 106813416A
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- line system
- indoor set
- refrigerant
- capillary
- sound
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/24—Means for preventing or suppressing noise
- F24F2013/247—Active noise-suppression
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses the device that refrigerant in a kind of multiple on-line system and reduction multiple on-line system flows sound, the multiple on-line system includes N number of indoor set, wherein, N is the integer more than 1, and described device includes：N number of first capillary, N number of first capillary is correspondingly arranged at the liquid pipe porch of N number of indoor set.The device is throttled by external capillary, to improve the degree of supercooling of the refrigerant of the machine that gets in, it is ensured that get in the refrigerant of machine for liquid, so that the noise that refrigerant flowing is produced effectively is reduced, and also low cost, it is easy for installation, substantially increase Consumer's Experience.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly to a kind of device for reducing refrigerant flowing sound in multiple on-line system
And a kind of multiple on-line system with the device.
Background technology
When multiple on-line system is run with mixed mode (indoor set part refrigerating operaton, part heating operation), work as refrigeration
Interior machine and heat interior machine in adjacent branch pipe, machine produces refrigerant hydrodynamic noise because refrigerant is not subcooled fully in refrigeration, this
Partial noise will have a strong impact on the use feeling of user.
At present, the degree of supercooling of system can be improved by increasing supercooling apparatus for new product, to solve refrigerant stream
The problem of moving noise.But for already installed system, because installation cost is higher, and limited by installing space,
It is difficult to increase supercooling apparatus in systems, thus refrigerant hydrodynamic noise cannot be solved the problems, such as by supercooling apparatus.
The content of the invention
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.
Therefore, it is an object of the present invention to propose a kind of device for reducing refrigerant flowing sound in multiple on-line system,
Throttled by external capillary, to improve the degree of supercooling of the refrigerant of the machine that gets in, it is ensured that the refrigerant for getting in machine is
Liquid, so that the noise that refrigerant flowing is produced effectively is reduced, and also low cost, it is easy for installation, substantially increase Consumer's Experience.
It is another object of the present invention to propose a kind of multiple on-line system.
To achieve the above object, one aspect of the present invention embodiment proposes refrigerant flowing sound in a kind of reduction multiple on-line system
The device of sound, the multiple on-line system includes N number of indoor set, wherein, N is the integer more than 1, and described device includes：N number of first
Capillary, N number of first capillary is correspondingly arranged at the liquid pipe porch of N number of indoor set.
Refrigerant flows the device of sound in reduction multiple on-line system according to embodiments of the present invention, by being correspondingly arranged at N
First capillary of the liquid pipe porch of individual indoor set is throttled come the refrigerant to the machine of getting in, and machine is got in improve
Refrigerant degree of supercooling, it is ensured that get in the refrigerant of machine for liquid, so as to effectively reduce the noise that refrigerant flowing is produced, and
Low cost, it is easy for installation, substantially increase Consumer's Experience.
According to one embodiment of present invention, the device of refrigerant flowing sound is also wrapped in above-mentioned reduction multiple on-line system
Include：N number of second capillary, N number of second capillary is corresponding with N number of first capillary in parallel.
According to one embodiment of present invention, the device of refrigerant flowing sound is also wrapped in above-mentioned reduction multiple on-line system
Include：N number of filter, N number of filter series connection corresponding with N number of second capillary, and each in N number of filter
The front end of refrigerant flowing when filter is disposed in the interior mechanism cold operation.
According to one embodiment of present invention, N number of filter can be device for drying and filtering.
According to one embodiment of present invention, the device of refrigerant flowing sound is also wrapped in above-mentioned reduction multiple on-line system
Include：N number of control valve, N number of control valve is corresponding with N number of second capillary to connect.
According to one embodiment of present invention, when there is an indoor set refrigerating operaton in N number of indoor set, control
The corresponding control valve of the indoor set is in opening.
According to one embodiment of present invention, when at least there is two indoor set refrigerating operatons in N number of indoor set,
The average value of the outlet temperature of the indoor heat exchanger of the indoor set of all refrigerating operatons is obtained, wherein, if the room of refrigerating operaton
The outlet temperature of the indoor heat exchanger of interior machine is more than the average value and the first preset value sum, then control the indoor set corresponding
Control valve is in opening；If the outlet temperature of the indoor heat exchanger of the indoor set of refrigerating operaton less than the average value with
The difference of the second preset value, then control the corresponding control valve of the indoor set to be closed.
To achieve the above object, another aspect of the present invention embodiment proposes a kind of multiple on-line system, and it includes above-mentioned
Reduce the device of refrigerant flowing sound in multiple on-line system.
Multiple on-line system according to embodiments of the present invention, sound is flowed by refrigerant in above-mentioned reduction multiple on-line system
Device, it is possible to increase get in the degree of supercooling of the refrigerant of machine, it is ensured that the refrigerant of machine is got in for liquid, so as to effectively reduce
The noise that refrigerant flowing is produced, and low cost, it is easy for installation, substantially increase Consumer's Experience.
Brief description of the drawings
Fig. 1 is that the structure of the device of refrigerant flowing sound in reduction multiple on-line system according to an embodiment of the invention is shown
It is intended to；
Fig. 2 is the structure of the device of refrigerant flowing sound in reduction multiple on-line system in accordance with another embodiment of the present invention
Schematic diagram；And
Fig. 3 is the structure of the device that refrigerant flows sound in reductions multiple on-line system according to another embodiment of the invention
Schematic diagram.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
The device and tool of sound are flowed come refrigerant in the multiple on-line system for describing the embodiment of the present invention with reference to the accompanying drawings
There is the multiple on-line system of the device.
Fig. 1 is that the structure of the device of refrigerant flowing sound in reduction multiple on-line system according to an embodiment of the invention is shown
It is intended to.
As shown in figure 1, the device 100 of refrigerant flowing sound may include in the reduction multiple on-line system：N number of first capillary
110, wherein, N number of first capillary 110 is correspondingly arranged at the liquid pipe porch of N number of indoor set 120.
Specifically, the branch pipe in multiple on-line system is to be used to, by the coolant distribution in pipeline to indoor set, play
The effect of shunting, branch pipe is divided into tracheae and liquid pipe, and the general relative aperture liquid pipe of tracheae is thick.Refrigerant from outdoor unit out after, even
The liquid pipe of branch pipe is connect, other branch pipes and terminal indoor machine is then further connected through liquid pipe, refrigerant is inhaled in machine indoors
After heat becomes gas, transtracheal flows back to compressor.
When multiple on-line system is with mixed-mode operations, if machine and heating interior machine in adjacent branch pipe in refrigeration, enter
The refrigerant for entering machine in refrigeration cannot fully be subcooled, and now refrigerant is the mixture of gaseous state and liquid, so as to produce refrigerant to flow make an uproar
Sound.In order to effectively reduce refrigerant hydrodynamic noise, supercooling apparatus can be in systems set up, be fully subcooled with to refrigerant, but
It is which for the system installed and does not apply to, such as installs and bother, and cannot in the case where space is limited
Installed, accordingly, it is considered to arrive by an external small part, on the premise of existing whole system structure is not changed, come
Solve the problems, such as refrigerant hydrodynamic noise.
As shown in figure 1, can by two stop valves 310 or nut the liquid pipe porch of each indoor set 210 pipeline
One the first capillary 110 of upper series connection, the degree of supercooling of the refrigerant for being throttled to improve the machine of getting in by the capillary,
It is liquid so as to ensure the refrigerant of the machine of getting in, effectively reduces refrigerant hydrodynamic noise, and it is easy for installation, do not limited by space
System, and low cost, greatly improve Consumer's Experience.
According to another embodiment of the invention, as shown in Fig. 2 refrigerant flows sound in above-mentioned reduction multiple on-line system
Device may also include N number of second capillary 120, N number of second capillary 120 is corresponding with N number of first capillary 110 in parallel.Its
In, the length of the second capillary 120 is smaller than the length of the first capillary 110.
Further, as shown in Fig. 2 the device of refrigerant flowing sound may also include N in above-mentioned reduction multiple on-line system
Individual control valve 130, N number of control valve 130 series connection corresponding with N number of second capillary 120.Wherein, N number of control valve 130 can be electricity
Magnet valve.
Specifically, as shown in Fig. 2 what can be set the length of the first capillary 110 is longer, it is ensured that most of feelings
Under condition, the refrigerant for flowing into machine in refrigeration has degree of supercooling, while second capillary 120 in parallel on the first capillary 110, and lead to
Control valve 130 is crossed to control whether it is operated.For example, in the presence of the throttling of the first capillary 110, refrigerant degree of supercooling is still
It is so smaller, now can control control valve 130 and be in opening, so that the second capillary 120 participates in throttling work jointly, protect
Card refrigerant has degree of supercooling.And when refrigerant degree of supercooling is higher, in order to reduce because excessively throttling reduces cooling system effect, this
When control control valve 130 be closed.So as to realize the regulation to degree of supercooling, can not only effectively reduce refrigerant flowing and make an uproar
Sound, and ensure that system has preferable refrigerating capacity and effect.
According to still another embodiment of the invention, as shown in figure 3, refrigerant flows sound in above-mentioned reduction multiple on-line system
Device may also include N number of filter 140.The series connection corresponding with N number of second capillary 120 of N number of filter 140, and N number of filter
The front end of refrigerant flowing when each filter 140 in 140 is disposed in the interior 210 refrigerating operaton of machine.Wherein, N number of filter 140
It can be device for drying and filtering.
Specifically, as shown in figure 3, filter 140 can be set in the front end (left side in figure) of the second capillary 120,
Such as device for drying and filtering.Device for drying and filtering may include molecular sieve and screen pack, be used to adsorb unnecessary moisture in pipeline, prevent
Ice blocks up failure, and reduces corrosion of the moisture to refrigeration system, while impurity and dust, metal in being additionally operable to filtering appts and each
Oxide is planted, dirty stifled failure occurs to prevent refrigeration system, with the further refrigerant state changed before entering capillary, increase liquid
State coolant quantity, while automatically adjusting the degree of supercooling of refrigerant by controlling valve 130, effectively prevents excessively throttling and influences system
Refrigerating capacity and effect.
The control method of control valve 130 in above-described embodiment is described in detail below.
According to one embodiment of present invention, when there is 210 refrigerating operaton of indoor set in N number of indoor set 210, control
Make the corresponding control valve 130 of the indoor set 210 and be in opening.
According to another embodiment of the invention, transported when at least freezing in the presence of two indoor sets 210 in N number of indoor set 210
During row, obtain the indoor heat exchanger (not specifically illustrated in figure) of the indoor set 210 of all refrigerating operatons outlet temperature it is average
Value.If the outlet temperature of the indoor heat exchanger of the indoor set 210 of refrigerating operaton is more than average value and the first preset value sum,
The corresponding control valve 130 of the indoor set 210 is controlled to be in opening；If the indoor heat exchange of the indoor set 210 of refrigerating operaton
The outlet temperature of device then controls the corresponding control valve 130 of the indoor set 210 to be in and closes less than average value and the difference of the second preset value
Closed state.
Wherein, the first preset value and the second preset value can be demarcated according to actual conditions, for example, the first preset value can be with
It it is 3 DEG C, the second preset value can be 2 DEG C.
Specifically, machine has refrigeration and heats indoors simultaneously when, when the only one of which indoor set 210 of N number of indoor set 210 is made
During cold operation, control the indoor set 210 it is corresponding control valve 130 be in opening so that into the refrigeration machine 210 it is cold
Matchmaker has enough degree of supercoolings, it is to avoid refrigerant flowing produces noise.
When multiple 210 refrigerating operatons of indoor set in N number of indoor set 210, can be according to the temperature in the exit of indoor heat exchanger
T2B is spent to judge whether to need control control valve 130 to be in opening.Specifically, first, the room of all refrigerating operatons is obtained
The outlet temperature T2B of the indoor heat exchanger of interior machine 210, and the T2 that averages, then, to the room of the indoor set 210 of refrigerating operaton
The outlet temperature T2B of interior heat exchanger is compared one by one with average value T2.If T2B ＞ T2+3 DEG C, illustrate into the room
The refrigerant degree of supercooling of interior machine 210 is low, now can control control valve 130 and is in opening；T2B ＜ T2-2 DEG C, then explanation supercooling
Du Taigao, now influences the refrigeration of the indoor set, it is therefore desirable to control the corresponding control valve 130 of the indoor set 210 to be in
Closed mode, the refrigerating capacity and refrigeration of indoor set are influenceed to prevent excessively throttling.
In sum, refrigerant flows the device of sound in reduction multiple on-line system according to embodiments of the present invention, by right
Capillary of liquid pipe porch of N number of indoor set etc. should be arranged on to be throttled come the refrigerant to the machine of getting in, with improve into
Enter the degree of supercooling of the refrigerant of indoor set, it is ensured that get in the refrigerant of machine for liquid, so as to effectively reduce what refrigerant flowing was produced
Noise, meanwhile, degree of supercooling is adjusted by controlling valve, to influence the refrigerating capacity of indoor set to prevent excessively throttling
And refrigeration.
Additionally, embodiments of the invention also proposed a kind of multiple on-line system, it includes above-mentioned reduction multiple on-line system
Middle refrigerant flows the device of sound.
The multiple on-line system of the embodiment of the present invention, the dress of sound is flowed by refrigerant in above-mentioned reduction multiple on-line system
Put, it is possible to increase get in the degree of supercooling of the refrigerant of machine, it is ensured that the refrigerant of machine is got in for liquid, so as to effectively reduce cold
The noise that matchmaker's flowing is produced, and low cost, it is easy for installation, substantially increase Consumer's Experience.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation or position relationship of the instruction such as pin ", " counterclockwise ", " axial direction ", " radial direction ", " circumference " be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, must rather than the device or element for indicating or imply meaning
With specific orientation, with specific azimuth configuration and operation, therefore must be not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In the description of the invention, " multiple " is meant that at least two, such as two, three
It is individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integrally；Can be that machinery connects
Connect, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary, can be in two elements
The connection in portion or two interaction relationships of element, unless otherwise clearly restriction.For one of ordinary skill in the art
For, can as the case may be understand above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be with
It is the first and second feature directly contacts, or the first and second features are by intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be with office
Combined in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
Art personnel can be tied the feature of the different embodiments or example described in this specification and different embodiments or example
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (8)
1. refrigerant flows the device of sound in a kind of reduction multiple on-line system, it is characterised in that the multiple on-line system includes N number of
Indoor set, wherein, N is the integer more than 1, and described device includes：
N number of first capillary, N number of first capillary is correspondingly arranged at the liquid pipe porch of N number of indoor set.
2. refrigerant flows the device of sound in reduction multiple on-line system as claimed in claim 1, it is characterised in that also include：
N number of second capillary, N number of second capillary is corresponding with N number of first capillary in parallel.
3. refrigerant flows the device of sound in reduction multiple on-line system as claimed in claim 2, it is characterised in that also include：
N number of filter, N number of filter is corresponding with N number of second capillary to connect, and every in N number of filter
The front end of refrigerant flowing when individual filter is disposed in the interior mechanism cold operation.
4. refrigerant flows the device of sound in reduction multiple on-line system as claimed in claim 3, it is characterised in that described N number of
Filter is device for drying and filtering.
5. the device of refrigerant flowing sound in multiple on-line system is reduced as claimed in claim 2 or claim 3, it is characterised in that also wrapped
Include：
N number of control valve, N number of control valve is corresponding with N number of second capillary to connect.
6. refrigerant flows the device of sound in reduction multiple on-line system as claimed in claim 5, it is characterised in that as the N
When there is an indoor set refrigerating operaton in individual indoor set, the corresponding control valve of the indoor set is controlled to be in opening.
7. refrigerant flows the device of sound in reduction multiple on-line system as claimed in claim 5, it is characterised in that as the N
When at least there is two indoor set refrigerating operatons in individual indoor set, the indoor heat exchanger of the indoor set of all refrigerating operatons is obtained
The average value of outlet temperature, wherein,
If the outlet temperature of the indoor heat exchanger of the indoor set of refrigerating operaton is more than the average value and the first preset value sum,
The corresponding control valve of the indoor set is then controlled to be in opening；
If the outlet temperature of the indoor heat exchanger of the indoor set of refrigerating operaton is less than the average value and the difference of the second preset value,
The corresponding control valve of the indoor set is then controlled to be closed.
8. a kind of multiple on-line system, it is characterised in that including the reduction multiple on-line system as any one of claim 1-7
Middle refrigerant flows the device of sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005010.8A CN106813416B (en) | 2017-01-04 | 2017-01-04 | Multi-split system and device for reducing flowing sound of refrigerant in multi-split system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710005010.8A CN106813416B (en) | 2017-01-04 | 2017-01-04 | Multi-split system and device for reducing flowing sound of refrigerant in multi-split system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106813416A true CN106813416A (en) | 2017-06-09 |
| CN106813416B CN106813416B (en) | 2020-01-07 |
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ID=59109355
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710005010.8A Active CN106813416B (en) | 2017-01-04 | 2017-01-04 | Multi-split system and device for reducing flowing sound of refrigerant in multi-split system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112228972A (en) * | 2020-10-21 | 2021-01-15 | 青岛海信日立空调系统有限公司 | Multi-split air conditioning system |
| CN113701873A (en) * | 2020-05-19 | 2021-11-26 | 广州汽车集团股份有限公司 | Refrigerant flow sound detection device, system and method |
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| CN204115161U (en) * | 2014-09-30 | 2015-01-21 | 广东志高暖通设备股份有限公司 | A kind of interior machine controller of multiple on-line system |
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| KR20040090131A (en) * | 2003-04-16 | 2004-10-22 | 엘지전자 주식회사 | Over cooling heat exchanger multi air conditioner system |
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| CN203375573U (en) * | 2013-05-31 | 2014-01-01 | 广东美的暖通设备有限公司 | Device for improving degree of supercooling of refrigerant of multi-split air conditioners and multi-split air conditioners with same |
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| CN113701873A (en) * | 2020-05-19 | 2021-11-26 | 广州汽车集团股份有限公司 | Refrigerant flow sound detection device, system and method |
| CN112228972A (en) * | 2020-10-21 | 2021-01-15 | 青岛海信日立空调系统有限公司 | Multi-split air conditioning system |
| CN112228972B (en) * | 2020-10-21 | 2022-04-19 | 青岛海信日立空调系统有限公司 | Multi-split air conditioning system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106813416B (en) | 2020-01-07 |
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