CN107642835A - Multi-connected machine outdoor unit and there is its multi-connected machine - Google Patents
Multi-connected machine outdoor unit and there is its multi-connected machine Download PDFInfo
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- CN107642835A CN107642835A CN201710957940.3A CN201710957940A CN107642835A CN 107642835 A CN107642835 A CN 107642835A CN 201710957940 A CN201710957940 A CN 201710957940A CN 107642835 A CN107642835 A CN 107642835A
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- 238000011084 recovery Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 abstract description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 12
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000000930 thermomechanical effect Effects 0.000 description 4
- 239000011148 porous material Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The invention discloses a kind of multi-connected machine outdoor unit and multi-connected machine, the multi-connected machine outdoor unit includes：Multiple outdoor unit components, each outdoor unit component includes compressor, control device, outdoor heat exchanger, balance stream and switch, compressor includes exhaust outlet and gas returning port, control device includes first interface to the 4th interface, first interface is connected with exhaust outlet, 3rd interface is connected with gas returning port, 4th interface is connected with one end of outdoor heat exchanger, when second interface turns on one of them in the 4th interface with first interface, second interface turns on another in the 4th interface with the 3rd interface, circulation stream is connected with second interface, the circulation stream of multiple outdoor unit components is connected in parallel, one end of balance stream is connected between first interface and exhaust outlet, the other end for balancing stream is connected with circulation stream, switch is located on balance stream.According to the multi-connected machine outdoor unit of the present invention, the problem of outdoor unit component high-low pressure do not opened is collaborated during heating can be prevented.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, to a kind of multi-connected machine outdoor unit and has its multi-connected machine.
Background technology
In correlation technique, as shown in figure 3, the multi-connected machine that the existing outdoor unit component by more than two forms is working
When, for the outdoor unit component (hereinafter referred to as " slave 102 ' ") do not opened, when needing to switch its internal four-way reversing valve,
The compressor of the outdoor unit component is then must be turned on, which not only adds extra power consumption, and each room can not be balanced
The exhaust lateral pressure of outer thermomechanical components, for a long time in this way, the service life of the compressor can be shortened, while to the operation of whole multi-connected machine
Also increase control difficulty., will between the high and low pressure side of slave 102 ' if being not turned on the four-way reversing valve of slave 102 '
Collaborate, cause the high-low pressure pressure difference of main frame 101 ' (the outdoor unit component opened) not build up, so as to can not normally heat.
Fig. 4 is the reserved high pressure gas balance pipe 103 " of outdoor unit component in multi-connected machine, and high pressure gas balance pipe 103 " has
Interface is exposed at the connecting leg outlet of outdoor unit component, and the high pressure gas balance pipe 103 " is needed in installation multiple outdoor units in parallel
Welded again when part.Although solving the problem of collaborating of slave in this programme by the way of high pressure gas balance pipe 103 ",
However, the installation of high pressure gas balance pipe 103 " can increase the work of costs and the welding of the pipeline of high pressure gas balance pipe 103 " more.
The content of the invention
It is contemplated that at least solves one of technical problem present in prior art.Therefore, the present invention proposes that one kind is more
Online outdoor unit, the advantage of lower cost of the multi-connected machine outdoor unit, when multi-connected machine outdoor unit is applied to multi-connected machine, Ke Yiyou
The problem of outdoor unit component high-low pressure that effect prevents from not opening during heating is collaborated.
The present invention also proposes a kind of multi-connected machine with above-mentioned multi-connected machine outdoor unit.
The multi-connected machine outdoor unit of embodiment according to a first aspect of the present invention, including：Multiple outdoor unit components, each room
Outer thermomechanical components include compressor, control device, outdoor heat exchanger, balance stream and switch, the compressor include exhaust outlet and
Gas returning port, the control device include first interface, second interface, the 3rd interface and the 4th interface, the first interface and institute
State exhaust outlet to be connected, the 3rd interface is connected with the gas returning port, one end of the 4th interface and the outdoor heat exchanger
It is connected, when the second interface turns on one of them in the 4th interface with the first interface, described second connects
Mouth is turned on another in the 4th interface with the 3rd interface, and circulation stream is connected with the second interface, more
The circulation stream of the individual outdoor unit component is connected in parallel, it is described balance stream one end be connected to the first interface and
Between the exhaust outlet, the other end of the balance stream is connected with the circulation stream, and the switch is located at the equiulbrium flow
Lu Shang.
Multi-connected machine outdoor unit according to embodiments of the present invention, opened by setting balance stream and being set on balance stream
Close, when multi-connected machine outdoor unit is applied to multi-connected machine, can effectively prevent the outdoor unit component high-low pressure string do not opened during heating
The problem of gas.Moreover, the structure of multi-connected machine outdoor unit is simple, convenient installation.
According to some embodiments of the present invention, the balance stream is pipeline.
According to some embodiments of the present invention, the switch is magnetic valve.
According to some embodiments of the present invention, the control device is four-way reversing valve.
According to some embodiments of the present invention, the outdoor unit component is two.
The multi-connected machine of embodiment according to a second aspect of the present invention, including according to the more of the above-mentioned first aspect embodiment of the present invention
Online outdoor unit.
According to some embodiments of the present invention, the multi-connected machine is heat pump air conditioner.
According to some embodiments of the present invention, the multi-connected machine is heat recovery air conditioner.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Substantially and it is readily appreciated that, wherein：
Fig. 1 is the schematic diagram of multi-connected machine according to embodiments of the present invention；
Fig. 2 is the schematic diagram of control device according to embodiments of the present invention；
Fig. 3 is the schematic diagram of multi-connected machine of the prior art；
Fig. 4 is another schematic diagram of multi-connected machine of the prior art.
Reference：
1：Compressor；11：Exhaust outlet；12：Gas returning port；
2：Control device；21：First interface；
22：Second interface；221：Circulate stream；
23：3rd interface；24：4th interface；
25：Electromagnetism is oriented to body；251：Sliding bowl；252：Back-moving spring；
253：Iron core；254：Magnet coil；
255：First capillary；256：Second capillary；
257：Three capillary；258：4th capillary；
26：Four-way commutation body；261：Sliding block；262：Piston；
263：Left chamber；264：Right chamber room；
3：Outdoor heat exchanger；4：Balance stream；5：Switch；
101’：Main frame；102’：Slave；
103”：High pressure gas balance pipe.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ",
" thickness ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " 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, it is for only for ease of and describes the present invention and simplify description, rather than indicates or imply that signified device or element must
There must be specific orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.
In addition, " first " is defined, the feature of " second " can be expressed or implicitly includes one or more be somebody's turn to do
Feature.In the description of the invention, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
Multi-connected machine outdoor unit according to embodiments of the present invention is described below with reference to Fig. 1 and Fig. 2.Multi-connected machine outdoor unit can answer
For multi-connected machine, for example, multi-connected machine can be heat pump air conditioner or heat recovery air conditioner etc..It is understood that multi-connected machine can be with
For other types of air-conditioning, and it is not limited to heat pump air conditioner or heat recovery air conditioner.
As shown in figure 1, the multi-connected machine outdoor unit of embodiment, including multiple outdoor unit components according to a first aspect of the present invention.
Specifically, each outdoor unit component includes compressor 1, control device 2, outdoor heat exchanger 3, balance stream 4 and
Switch 5, compressor 1 include exhaust outlet 11 and gas returning port 12, and control device 2 is used for the flow direction for changing refrigerant in multi-connected machine, real
Now the switching of the function such as refrigeration, heating or defrosting, control device 2 include first interface 21, second interface 22, the and of the 3rd interface 23
4th interface 24, the first interface 21 of control device 2 are connected with the exhaust outlet 11 of compressor 1, the 3rd interface 23 of control device 2
It is connected with the gas returning port 12 of compressor 1, the 4th interface 24 of control device 2 is with one end of outdoor heat exchanger 3 (for example, in Fig. 1
Left end) it is connected, it is connected in parallel between the other end (for example, right-hand member in Fig. 1) of the outdoor heat exchanger 3 of multiple outdoor unit components,
And the above-mentioned other end of the outdoor heat exchanger 3 of multiple outdoor unit components is suitable to be connected with one end of the indoor set of multi-connected machine.Control
Circulation stream 221 is connected with the second interface 22 of device 2, the circulation stream 221 of multiple outdoor unit components is connected in parallel, multiple
The second interface 22 of the control device 2 of outdoor unit component is suitable to by corresponding circulation stream 221 and the indoor set of multi-connected machine
The other end is connected.Now indoor set is connected between outdoor heat exchanger 3 and the second interface 22 of control device 2.When indoor set is
When multiple, multiple indoor sets are arranged in parallel.
When one of them in the second interface 22 of control device 2 and the 4th interface 24 of control device 2 and control device 2
First interface 21 when turning on, another and control in the second interface 22 of control device 2 and the 4th interface 24 of control device 2
3rd interface 23 of device 2 processed turns on.That is, when the second interface 22 and the first interface of control device 2 of control device 2
During 21 conducting, the 3rd interface 23 of the 4th interface 24 and control device 2 of control device 2 turns on；The 4th when control device 2 connects
When the first interface 21 of mouth 24 and control device 2 turns on, the second interface 22 of control device 2 and the 3rd interface of control device 2
23 conductings.Thus, when multi-connected machine outdoor unit is applied to multi-connected machine, it is possible to achieve the function such as refrigeration, heating or defrosting.For example,
As shown in figure 1, when second interface 22 and first interface 21 turn on, the 4th interface 24 and the 3rd interface 23 turn on, multi-connected machine can
With heating or Defrost operation；It is more when the 4th interface 24 turns on first interface 21, the interface 23 of second interface 22 and the 3rd turns on
It is online can be with refrigerating operaton.
Alternatively, control device 2 is four-way reversing valve.Specifically, as shown in Fig. 2 four-way reversing valve can include electricity
Magnetic steering portion and this two parts of four-way commutation portion, four-way commutation portion is controlled by electromagnetism guide part.Electromagnetism guide part bag
Include electromagnetism and be oriented to body 25, sliding bowl 251, back-moving spring 252, iron core 253 and magnet coil 254, electromagnetism is oriented on body 25 and set
There are the first capillary 255, the second capillary 256, the capillary 258 of three capillary 257 and the 4th, the first capillary 255 is located at
Electromagnetism is oriented to the top of body 25, and the second capillary 256, the capillary 258 of three capillary 257 and the 4th are spaced to turn up the soil and set
The bottom of body 25 is oriented in electromagnetism, and is followed successively by the second capillary 256, the capillary of three capillary 257 and the 4th from left to right
Pipe 258, electromagnetism, which is oriented on body 25, is correspondingly provided with the intercommunicating pore that connection is oriented to aforementioned four capillary.In below the application
Rong Zhong, for the ease of description, the intercommunicating pore communicated with the first capillary 255 is referred to as d holes, with the second capillary 256, the 3rd mao
The intercommunicating pore that the capillary 258 of tubule 257 and the 4th communicates is referred to as a holes, b holes, c holes.Sliding bowl 251, back-moving spring 252, iron
Core 253 and magnet coil 254 are each provided at electromagnetism and are oriented in body 25, magnet coil 254 around being located at outside iron core 253, iron core 253
One end is connected with sliding bowl 251, and back-moving spring 252 is located at the side away from sliding bowl 251 of iron core 253, and back-moving spring 252 is used to make
Iron core 253 resets.When magnet coil 254 is powered, iron core 253 will overcome back-moving spring 252 in the presence of magnet coil 254
Elastic force drive sliding bowl 251 to be moved towards the direction of back-moving spring 252, thus, b holes and c holes pass through the sliding inside of bowl 251 and turned on, d
Hole and a holes are oriented to the inside of body 25 by electromagnetism and turned on, and now the first capillary 255 and the second capillary 256 turn on, the 3rd mao
The capillary 258 of tubule 257 and the 4th turns on.When 254 no power of magnet coil, iron core 253 is made in the elastic force of back-moving spring 252
Sliding bowl 251 is driven to move in the direction for being directed away from back-moving spring 252 with lower, now b holes and a holes inside sliding bowl 251 by leading
Logical, d holes and c holes are oriented to the inside of body 25 by electromagnetism and turned on, hereby it is achieved that the first capillary 255 and the 4th capillary 258 are led
Logical, the capillary 256 of three capillary 257 and second turns on.
Four-way commutation portion includes four-way commutation body 26 and valve element, and valve element is movably arranged in four-way commutation body 26,
Valve element includes sliding block 261 and two pistons 262, and two pistons 262 can be connected to the left end and right-hand member of sliding block 261, and two
Sealed between the inwall of individual piston 262 and four-way commutation body 26, so as to be separated between left and right inside four-way commutation body 26
Left chamber 263 and right chamber room 264 every setting, the wherein interface 24 of first interface 21 to the 4th are formed in four-way commutation body 26
On, specifically, first interface 21 is formed to be spaced in the top of four-way commutation body 26, the interface 24 of second interface 22 to the 4th
Turn up the soil to be formed four-way commutation body 26 bottom, and be followed successively by second interface 22 from left to right, the 3rd interface 23 and the 4th connects
Mouth 24.The side towards the interface 24 of second interface 22 to the 4th of sliding block 261 is opened wide, and is suitable for connecing second interface 22 and the 3rd
Mouth 23 is turned on, or the 3rd interface 23 and the 4th interface 24 are turned on.First interface 21 is led by the first capillary 255 with electromagnetism
Be connected to body 25, the 3rd interface 23 is oriented to body 25 by three capillary 257 and electromagnetism and is connected, the second capillary 256 and
Left chamber 263 connects, and the 4th capillary 258 connects with right chamber room 264.
When refrigerating operaton, the no power of magnet coil 254 of electromagnetism guide part, under the thrust of back-moving spring 252,
Iron core 253 and sliding bowl 251 are moved to the left together, and now the first capillary 255 communicates with the 4th capillary 258 and is high pressure, the
The capillary 256 of three capillary 257 and second communicates and is low pressure, and the left chamber 263 in four-way commutation portion is low pressure, right chamber room 264
For high pressure, so as to promote the valve element in four-way commutation portion to be moved to the left in the presence of left chamber 263 and the pressure difference of right chamber room 264, four
The second interface 22 in logical commutation portion turns on the 3rd interface 23, and first interface 21 turns on the 4th interface 24.
When heating operation, the magnet coil 254 of electromagnetism guide part is powered, electromagnetic field of the iron core 253 in magnet coil 254
In the presence of move right, back-moving spring 252 is compressed, iron core 253 drive valve bowl move right together, make the second capillary
256 communicate with the first capillary 255 and are high pressure, and three capillary 257 communicates with the 4th capillary 258 and is low pressure, so as to
The valve element in four-way commutation portion is promoted to be moved right in the presence of left chamber 263 and the pressure difference of right chamber room 264, the of four-way commutation portion
One interface 21 turns on second interface 22, and the 3rd interface 23 turns on the 4th interface 24.
It is, of course, understood that control device 2 can also be other types of commutation element, as long as four can be realized
Commutation between individual interface (the i.e. above-mentioned interface 24 of first interface 21 to the 4th) is (i.e. when in the interface 24 of second interface 22 and the 4th
One of them when being turned on first interface 21, second interface 22 leads with another in the 4th interface 24 with the 3rd interface 23
It is logical).
Wherein, the one end (for example, lower end in Fig. 1) for balancing stream 4 is connected to the first interface 21 and pressure of control device 2
Between the exhaust outlet 11 of contracting machine 1, the other end (for example, upper end in Fig. 1) for balancing stream 4 is connected with circulation stream 221.Switch
5 are located on balance stream 4, and switch 5 is used for the break-make for controlling balance stream 4.Thus, opening on the balance stream 4 of slave is opened
After closing 5, the high pressure of main frame is conducting to what is be not keyed up by the parallel pipeline that main frame can be utilized to be connected with slave by balancing stream 4
The exhaust pipeline section being connected with exhaust outlet 11 of the compressor 1 of slave, consequently facilitating the four-way reversing valve of slave can be smoothly with master
The four-way reversing valve of machine commutates together.
When main frame (for example, outdoor unit component on the downside of in Fig. 1) heating is opened, slave can be first opened (for example, Fig. 1
The outdoor unit component of middle upside) switch 5, treat that multi-connected machine reaches the control device 2 of slave such as four-way reversing valve switching needs
Pressure difference after, such as four-way reversing valve one of control device 2 that such as four-way reversing valve of control device 2 of slave is used for main frame is same as above
Electric (for example, the magnet coil 254 of electromagnetism guide part is powered), so, the heating action of slave and main frame can be consistent, from
And the pressure at expulsion of each outdoor unit component can be balanced, maintain the high pressure of whole multi-connected machine and keep flat in same scope
Weighing apparatus, so as to effectively ensure the coordinating and unifying of whole multi-connected machine operation.Switch 5 is when multi-connected machine integrally cooling in closing
State.
Thus, multi-connected machine outdoor unit according to embodiments of the present invention, the multi-connected machine solved shown in Fig. 3 are outdoor in part
Thermomechanical components are not opened but increase extra power consumption caused by opening in the case of its compressor and can not balance each outdoor unit
Shorten the service life of the compressor 1 and the operation increase control hardly possible to whole multi-connected machine caused by the exhaust lateral pressure of component
The problem of spending, and solve be not turned on the four-way reversing valve of slave 102 ' caused by slave 102 ' high and low pressure side between will
The problem of whole multi-connected machine can not be heated normally caused by collaborating, in addition, the multi-connected machine needs also overcomed shown in Fig. 4 are external
The shortcomings that extra high pressure gas balance pipe 103 ", without weld high pressure gas balance pipe again during so as to install outdoor unit component at the scene
103 ", the work of the pipeline of high pressure gas balance pipe 103 " welding is eliminated, reduces cost.
Multi-connected machine outdoor unit according to embodiments of the present invention, opened by setting balance stream 4 and being set on balance stream 4
5 are closed, when multi-connected machine outdoor unit is applied to multi-connected machine, can effectively prevent the outdoor unit component high-low pressure string do not opened during heating
The problem of gas.Moreover, the structure of multi-connected machine outdoor unit is simple, convenient installation.
According to some embodiments of the present invention, as shown in figure 1, balance stream 4 is pipeline.Thus, by using pipeline
Form, the structure for balancing stream 4 are simple, it is easy to accomplish, it is easy for installation, it is easy to arrange, and cost is low.
Alternatively, switch 5 is magnetic valve.Thus, by using automatically controlled mode, it is very easy to user's operation.
For example, as shown in figure 1, outdoor unit component is two.But not limited to this.It is understood that two are shown in Fig. 1
Individual outdoor unit component for illustration purposes, but those of ordinary skill after following technical scheme has been read, it is aobvious
So it is appreciated that to be applied to the program in the technical scheme of three or more outdoor unit components, this also falls into the present invention's
Within protection domain.
Multi-connected machine outdoor unit according to embodiments of the present invention, it is not necessary to in-site installation high pressure gas balance pipe, and single room
The structure of outer thermomechanical components can be sold and installation and maintenance with identical with facilitating.
As shown in figure 1, the multi-connected machine of embodiment, including according to the above-mentioned first aspect of the present invention according to a second aspect of the present invention
The multi-connected machine outdoor unit of embodiment.
Wherein, multi-connected machine can be heat pump air conditioner or heat recovery air conditioner etc..
Multi-connected machine according to embodiments of the present invention, by using above-mentioned multi-connected machine outdoor unit, multi-connected machine can be lifted
Overall performance.
Other of multi-connected machine according to embodiments of the present invention are formed and operated for those of ordinary skills
All it is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment or example of the present invention.In this manual, to above-mentioned term
Schematic representation is not necessarily referring to identical embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can combine in an appropriate manner in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of departing from the principle and objective of the present invention a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The scope of invention is limited by claim and its equivalent.
Claims (8)
- A kind of 1. multi-connected machine outdoor unit, it is characterised in that including：Multiple outdoor unit components, each outdoor unit component include compressor, control device, outdoor heat exchanger, balance stream And switch, the compressor include exhaust outlet and gas returning port, the control device connects including first interface, second interface, the 3rd Mouthful and the 4th interface, the first interface is connected with the exhaust outlet, and the 3rd interface is connected with the gas returning port, described the Four interfaces are connected with one end of the outdoor heat exchanger, when one of them in the second interface and the 4th interface and institute State first interface conducting when, the second interface turned on another in the 4th interface with the 3rd interface, it is described Circulation stream is connected with second interface, the circulation stream of multiple outdoor unit components is connected in parallel, the equiulbrium flow The one end on road is connected between the first interface and the exhaust outlet, the other end and the circulation stream of the balance stream It is connected, the switch is located on the balance stream.
- 2. multi-connected machine outdoor unit according to claim 1, it is characterised in that the balance stream is pipeline.
- 3. multi-connected machine outdoor unit according to claim 1, it is characterised in that the switch is magnetic valve.
- 4. multi-connected machine outdoor unit according to claim 1, it is characterised in that the control device is four-way reversing valve.
- 5. multi-connected machine outdoor unit according to claim 1, it is characterised in that the outdoor unit component is two.
- 6. a kind of multi-connected machine, it is characterised in that including the multi-connected machine outdoor unit according to any one of claim 1-5.
- 7. multi-connected machine according to claim 6, it is characterised in that the multi-connected machine is heat pump air conditioner.
- 8. multi-connected machine according to claim 6, it is characterised in that the multi-connected machine is heat recovery air conditioner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957940.3A CN107642835B (en) | 2017-10-16 | 2017-10-16 | Multi-split outdoor unit and multi-split with same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710957940.3A CN107642835B (en) | 2017-10-16 | 2017-10-16 | Multi-split outdoor unit and multi-split with same |
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| CN107642835B CN107642835B (en) | 2024-02-06 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110553418A (en) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调（上海）有限公司 | Multi-connected refrigerator |
| CN115264923A (en) * | 2022-08-09 | 2022-11-01 | 宁波奥克斯电气股份有限公司 | Multi-split control method and multi-split system |
| CN115264923B (en) * | 2022-08-09 | 2024-05-10 | 宁波奥克斯电气股份有限公司 | Multi-split control method and multi-split system |
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| CN106969428A (en) * | 2017-05-09 | 2017-07-21 | 广东美的暖通设备有限公司 | Multi-connected air conditioner device |
| CN207540030U (en) * | 2017-10-16 | 2018-06-26 | 广东美的暖通设备有限公司 | Multi-connected machine outdoor unit and with its multi-connected machine |
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| CN110553418A (en) * | 2019-09-02 | 2019-12-10 | 全谷制冷空调（上海）有限公司 | Multi-connected refrigerator |
| CN115264923A (en) * | 2022-08-09 | 2022-11-01 | 宁波奥克斯电气股份有限公司 | Multi-split control method and multi-split system |
| CN115264923B (en) * | 2022-08-09 | 2024-05-10 | 宁波奥克斯电气股份有限公司 | Multi-split control method and multi-split system |
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