CN108224602A - For the branch pipe and air conditioner of outdoor heat exchanger of air conditioner - Google Patents
For the branch pipe and air conditioner of outdoor heat exchanger of air conditioner Download PDFInfo
- Publication number
- CN108224602A CN108224602A CN201810093685.7A CN201810093685A CN108224602A CN 108224602 A CN108224602 A CN 108224602A CN 201810093685 A CN201810093685 A CN 201810093685A CN 108224602 A CN108224602 A CN 108224602A
- Authority
- CN
- China
- Prior art keywords
- heat exchanger
- branch pipe
- outdoor heat
- refrigerant inlet
- air conditioner
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003507 refrigerant Substances 0.000 claims abstract description 71
- 238000010257 thawing Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 5
- 230000004907 flux Effects 0.000 description 6
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/14—Heat exchangers specially adapted for separate outdoor units
- F24F1/16—Arrangement or mounting thereof
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/26—Refrigerant piping
- F24F1/28—Refrigerant piping for connecting several separate outdoor units
-
- 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
- F24F13/30—Arrangement or mounting of heat-exchangers
Abstract
The invention belongs to air conditioner technical fields, and in particular to a kind of branch pipe and air conditioner for outdoor heat exchanger of air conditioner.In order to solve during defrosting for air conditioner, the branch pipe structure of existing outdoor heat exchanger refrigerant inlet influences the problem of overall heat exchange efficiency of outdoor heat exchanger, the branch pipe of the present invention includes isocon and positioned at the first side of isocon and multiple Zhi Liuguan for being connected with isocon, branch pipe is connected by Zhi Liuguan with outdoor heat exchanger, refrigerant inlet is provided at the top of isocon, refrigerant inlet is connected with the bypass defroster duct of air conditioner.Tube Sheet of Heat Exchanger at the top of either outdoor heat exchanger is caused using the outdoor heat exchanger of branch pipe of the present invention, or the Tube Sheet of Heat Exchanger of outdoor heat exchanger bottom, it can fully be heated, so as to ensure that the defrosting effect uniformity at each position of outdoor heat exchanger, eliminate existing outdoor heat exchanger refrigerant inlet branch pipe structure influence outdoor heat exchanger overall heat exchange efficiency the problem of.
Description
Technical field
The invention belongs to air conditioner technical fields, and in particular to a kind of branch pipe and air-conditioning for outdoor heat exchanger of air conditioner
Device.
Background technology
When air conditioner heat-production is run, if outdoor coil temperature is too low to lead to frosting feelings under certain damp condition
Condition, and the frosting of outdoor unit coil pipe can cause the heat exchange efficiency of outdoor heat exchanger to reduce, and influence the heating effect of air conditioner, reduce room
The comfort of interior environment, influences user experience.It is general using bypass defrosting in the prior art to solve the problems, such as the frosting of air conditioner
The mode of (individually drawing circuit to air-conditioner outdoor unit from the high-pressure side of compressor) defrosts to air-conditioner outdoor unit.Reference Fig. 1,
Fig. 1 is that now air-conditioned air conditioner bypasses defrosting circulating system, as shown in Figure 1, when air conditioner carries out defrosting operation, compressor 1
A high pressure gaseous refrigerant part for discharge gets in heat exchanger 2 along major loop M, for the heat supply of indoor environment；One
Divide along bypass defroster duct N and enter outdoor heat exchanger 3, for removing the frost of 3 knot of outdoor heat exchanger.In a manner that bypass defrosts
It can defrost in the case of heating condition is maintained to outdoor heat exchanger, therefore bypass Defrost mode and obtain in recent years
It is widely applied.
With reference to Fig. 2, Fig. 2 is the branch pipe structure of now air-conditioned outdoor heat exchanger refrigerant inlet.It defrosts in above-mentioned bypass
In the circulatory system, the structure of the branch pipe of outdoor heat exchanger refrigerant inlet in air conditioner as shown in Fig. 2, carry out defrosting operation
In the process, from a part of high pressure gaseous refrigerant that compressor 1 is discharged from the entrance of 31 bottom of branch pipe of outdoor heat exchanger 3
311 enter the supervisor 312 of branch pipe 31, and another part refrigerant that compressor 1 is discharged is recycled along major loop, from outdoor heat exchanger 3
31 side of branch pipe entrance 310 enter branch pipe 31 supervisor 312.According to the structure of the branch pipe 31, for outdoor
After the high pressure gaseous refrigerant that heat exchanger 3 defrosts is from the entrance 311 of 31 bottom of branch pipe into the supervisor 312 of branch pipe 31,
At relative to the A points farther out of entrance 311, since dynamic pressure has been converted into static pressure by refrigerant at this time, i.e. pressure phase at A points
To larger, therefore, the cold medium flux that the branch pipe 313 of branch pipe 31 is entered from A points is also big.In the B points relative to 311 proximal end of entrance
Place, since the branch pipe 313 and 312 relative positions of supervisor and nonparallel flow of branch pipe 31 are in this way can be at the manifold inlet of B points
Certain vortex is formed, therefore the cold medium flux at B points is relatively small.In other words, existing outdoor heat exchanger refrigerant inlet
Branch pipe structure can cause the cold medium flux of each branch of outdoor heat exchanger uneven, and then to the overall heat exchange efficiency of outdoor heat exchanger
Generate certain negative effect.
Based on this, spy proposes the present invention.
Invention content
It is existing in order to solve during defrosting for air conditioner in order to solve the above problem of the prior art
The branch pipe structure of outdoor heat exchanger refrigerant inlet influences the problem of overall heat exchange efficiency of outdoor heat exchanger, and the present invention proposes
A kind of branch pipe for outdoor heat exchanger of air conditioner, the branch pipe include isocon and positioned at the first sides of the isocon
Portion and the multiple Zhi Liuguan connected with the isocon, the branch pipe are connected by the Zhi Liuguan and the outdoor heat exchanger
It is logical, refrigerant inlet is provided at the top of the isocon, the refrigerant inlet is used to connect with the bypass defroster duct of air conditioner.
In the preferred embodiment of above-mentioned branch pipe, the branch pipe is further included positioned at the second side of the isocon
And the refrigerant inlet and outlet connected with the isocon, the refrigerant inlet and outlet are connected with the main line of air conditioner.
In the preferred embodiment of above-mentioned branch pipe, the axis extending direction of the Zhi Liuguan and the axis of the isocon
Line extending direction is vertical.
In the preferred embodiment of above-mentioned branch pipe, the refrigerant inlet and outlet are positioned at the perpendicular bisector of second side
On；Or the position that perpendicular bisector of the refrigerant inlet and outlet positioned at second side is on the upper side/on the lower side.
In the preferred embodiment of above-mentioned branch pipe, the axis extending direction and the isocon of the refrigerant inlet and outlet
Axis extending direction it is vertical.
In the preferred embodiment of above-mentioned branch pipe, the axis extending direction and the Zhi Liuguan of the refrigerant inlet and outlet
Axis extending direction it is parallel.
In the preferred embodiment of above-mentioned branch pipe, the refrigerant inlet is located on the axis of the isocon.
In the preferred embodiment of above-mentioned branch pipe, the multiple Zhi Liuguan is equably arranged in the of the isocon
One side.
On the other hand, the present invention also provides a kind of air conditioner, including be series on main line outdoor heat exchanger, compression
Machine and indoor heat exchanger, are additionally provided with bypass defroster duct between the compressor and the outdoor heat exchanger, the outdoor is changed
Hot device further includes above-mentioned branch pipe, and the bypass defroster duct is connected with the refrigerant inlet.
It is described when the air conditioner is in heating/refrigerating operaton operating mode in the preferred embodiment of above-mentioned air conditioner
Refrigerant inlet is closed；When the air conditioner enters bypass defrosting mode, the refrigerant inlet is in opening.
In the inventive solutions, after branch pipe is assemblied in outdoor heat exchanger, refrigerant inlet is located outside heat exchange
The top of device.So, it when air conditioner carries out bypass defrosting operation, is removed from a part of refrigerant that compressor is discharged along bypass
White pipeline flow to refrigerant inlet, since the refrigerant inlet of the present invention is located outside the top of heat exchanger, enters from refrigerant inlet
When refrigerant reaches the bottom of isocon, dynamic pressure is converted into static pressure by refrigerant, and the pressure of (bottom of isocon) is opposite herein
It is larger, therefore the cold medium flux for entering outdoor heat exchanger bottom is also big.And the lower part of outdoor heat exchanger needs during defrosting
Wanting the heat of bigger, (when being defrosted due to outdoor heat exchanger, then the condensation flow of thawing passes through again to the lower part of outdoor heat exchanger
Osculum is discharged, therefore the lower part of outdoor heat exchanger needs the heat of bigger to form again when condensed water being allowed to be unlikely to and reach bottom
Ice), therefore, the Tube Sheet of Heat Exchanger at the top of either outdoor heat exchanger is caused using the outdoor heat exchanger of branch pipe of the present invention, still
The Tube Sheet of Heat Exchanger of outdoor heat exchanger bottom can be heated fully, so as to ensure that the defrosting at each position of outdoor heat exchanger
Uniform in effect is consistent, and then the branch pipe structure for eliminating existing outdoor heat exchanger refrigerant inlet influences the whole of outdoor heat exchanger
The problem of body heat exchange efficiency.
Description of the drawings
Fig. 1 is that now air-conditioned air conditioner bypasses defrosting circulating system；
Fig. 2 is the branch pipe structure of now air-conditioned outdoor heat exchanger refrigerant inlet；
Fig. 3 is the structure diagram of the branch pipe for outdoor heat exchanger of the present invention.
Specific embodiment
To make the embodiment of the present invention, technical solution and advantage more obvious, below in conjunction with attached drawing to the skill of the present invention
Art scheme is clearly and completely described, it is clear that the embodiment described is the part of the embodiment rather than whole of the present invention
Embodiment.It will be apparent to a skilled person that these embodiments are used only for explaining the technical principle of the present invention, and
It is not intended to be limiting protection scope of the present invention.
As stated in the Background Art, in air conditioner bypasses defrosting circulating system, when air conditioner carries out defrosting operation, from compression
The bottom inlet of a part of high pressure gaseous refrigerant of machine discharge along bypass defroster duct branch pipe enters the supervisor of branch pipe,
Outdoor heat exchanger is entered by each branch pipe being distributed on supervisor again, to remove the frost of outdoor heat exchanger knot.Due to existing
The shortcomings that branch pipe structure is there are described in background technology, i.e., the branch pipe structure of existing outdoor heat exchanger refrigerant inlet can cause
The cold medium flux of each branch of outdoor heat exchanger is uneven, and then generates certain negative shadow to the overall heat exchange efficiency of outdoor heat exchanger
It rings.Therefore, the present invention proposes a kind of structure of the branch pipe for outdoor heat exchanger.
With reference to Fig. 3, Fig. 3 is the structure diagram as the exemplary branch pipe for outdoor heat exchanger of the invention.Such as Fig. 3
It is shown, the branch pipe 4 for outdoor heat exchanger of the invention include isocon 41 and with positioned at the first side of isocon 41
And the multiple Zhi Liuguan 42 connected with isocon 41, branch pipe 4 by Zhi Liuguan 42 and outdoor heat exchanger (in Fig. 3 schematically
Show outdoor heat exchanger) connection.Refrigerant inlet 43 is provided at the top of isocon 41, refrigerant inlet 43 is used for and air conditioner
Bypass defroster duct (for the sake of clarity, schematically show only outdoor heat exchanger in Fig. 3, be omitted and connect with branch pipe 4
The other component connect) connection.That is, after branch pipe 4 is assemblied in outdoor heat exchanger, refrigerant inlet 43 is located outside heat exchange
The top (top in direction shown in Fig. 3) of device.As a kind of example, refrigerant inlet 43 can be located at the axis of isocon 41
On.
As described above, in the case of outdoor heat exchanger branch pipe using the above structure, removed when air conditioner carries out bypass
Frost operation when, from compressor discharge a part of refrigerant along bypass defroster duct flow to refrigerant inlet 43, due to the present invention it is cold
Matchmaker's entrance 43 is located outside the top of heat exchanger, when the refrigerant entered from refrigerant inlet 43 reaches the bottom of isocon 41, refrigerant
Dynamic pressure is converted into static pressure, the pressure of (bottom of isocon 41) is relatively large herein, therefore enters outdoor heat exchanger bottom
The cold medium flux in portion is also big.And the lower part of outdoor heat exchanger needs the heat of bigger (due to outdoor heat exchange when defrosting and operating
When device defrosts, then the condensation flow of thawing is discharged, therefore outdoor heat exchanger to the lower part of outdoor heat exchanger by osculum again
Lower part need the heat of bigger with allow condensed water be unlikely to reach bottom when build-up ice again), therefore, using branch pipe of the present invention
Outdoor heat exchanger cause the Tube Sheet of Heat Exchanger at the top of either outdoor heat exchanger or the Tube Sheet of Heat Exchanger of outdoor heat exchanger bottom,
It can fully be heated, so as to ensure that the defrosting effect uniformity at each position of outdoor heat exchanger, and then be eliminated existing
The branch pipe structure of some outdoor heat exchanger refrigerant inlets influences the problem of overall heat exchange efficiency of outdoor heat exchanger.
As an example, with continued reference to Fig. 1, branch pipe 4 further include positioned at the second side of isocon 41 and with isocon 41
The refrigerant inlet and outlet 44 of connection, refrigerant inlet and outlet 44 are used to connect with the main line of air conditioner.Preferably, refrigerant imports and exports 44
In on the perpendicular bisector of the second side, in the case of normal heating, 44 are imported and exported by the refrigerant along the refrigerant that main line recycles
Each Zhi Liuguan can be uniformly flowed into after into isocon 41, ensures the heat exchange efficiency of outdoor heat exchanger.In addition, refrigerant passes in and out
The positions that mouth 44 also can be used the perpendicular bisector positioned at the second side on the upper side/on the lower side, these are without departure from protection scope of the present invention.
As an example, the axis extending direction of Zhi Liuguan 42 is vertical with the axis extending direction of isocon 41；Refrigerant passes in and out
The axis extending direction of mouth 44 is vertical with the axis extending direction of isocon 41；The axis extending direction of refrigerant inlet and outlet 44 and branch
The axis extending direction of flow tube 41 is parallel.It can realize that refrigerant more uniformly shunts purpose in this way.Preferably, multiple Zhi Liuguan 42
Equably it is arranged in the first side of isocon 41.It should be noted that, although four bye-passes 42, ability are shown in Fig. 3
Field technique personnel can select appropriate number of bye-pass 42, the quantity and outdoor heat exchanger of the bye-pass 42 according to practical application
The interface of coil pipe is adapted.
The present invention also provides a kind of air conditioner, which includes the outdoor heat exchanger being series on main line, compression
Machine and indoor heat exchanger, are additionally provided with bypass defroster duct between compressor and outdoor heat exchanger, outdoor heat exchanger further includes
The branch pipe stated, and bypass defroster duct and connected with the refrigerant inlet of above-mentioned branch pipe.The structure of the air conditioner can refer to
Fig. 1, the structure of branch pipe see above explanation, and details are not described herein.
As a preferred embodiment, when the air conditioner of the present invention is in heating/refrigerating operaton operating mode, refrigerant enters
Mouth 43 is closed；When air conditioner enters bypass defrosting mode, refrigerant inlet 43 is in opening.That is,
The refrigerant inlet 43 only can just be opened when carrying out bypass defrosting, and during normal refrigerating/heating operation, which is in
Closed state.
So far, it has been combined preferred embodiment shown in the drawings and describes technical scheme of the present invention, still, this field
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
Under the premise of the principle of invention, those skilled in the art can make the relevant technologies feature equivalent change or replacement, these
Technical solution after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of branch pipe for outdoor heat exchanger of air conditioner, the branch pipe includes isocon and positioned at the isocon
The first side and multiple Zhi Liuguan connected with the isocon, the branch pipe pass through the Zhi Liuguan and the outdoor heat exchange
Device connects,
It is characterized in that, refrigerant inlet is provided at the top of the isocon, the bypass defrosting of the refrigerant inlet and air conditioner
Pipeline connection.
2. branch pipe according to claim 1, which is characterized in that the branch pipe further includes positioned at the isocon
Two sides and the refrigerant inlet and outlet connected with the isocon, the refrigerant inlet and outlet are connected with the main line of air conditioner.
3. branch pipe according to claim 2, which is characterized in that the axis extending direction of the Zhi Liuguan and the shunting
The axis extending direction of pipe is vertical.
4. branch pipe according to claim 2, which is characterized in that the refrigerant inlet and outlet are located in second side
On vertical line；Or
Perpendicular bisector of the refrigerant inlet and outlet positioned at second side position on the upper side/on the lower side.
5. branch pipe according to claim 2, which is characterized in that the axis extending direction of refrigerant inlet and outlet with it is described
The axis extending direction of isocon is vertical.
6. branch pipe according to claim 2, which is characterized in that the axis extending direction of refrigerant inlet and outlet with it is described
The axis extending direction of Zhi Liuguan is parallel.
7. branch pipe according to any one of claim 1 to 6, which is characterized in that the refrigerant inlet is located at described point
On the axis of flow tube.
8. branch pipe according to any one of claim 1 to 6, which is characterized in that the multiple Zhi Liuguan is equably arranged
It is listed in the first side of the isocon.
9. a kind of air conditioner, including the outdoor heat exchanger, compressor and indoor heat exchanger being series on main line, the compressor
Bypass defroster duct is additionally provided between the outdoor heat exchanger,
It is characterized in that, the outdoor heat exchanger is further included such as branch pipe described in any item of the claim 1 to 8, the side
Logical defroster duct is connected with the refrigerant inlet.
10. air conditioner according to claim 9, which is characterized in that when the air conditioner is in heating/refrigerating operaton operating mode
When, the refrigerant inlet is closed；
When the air conditioner enters bypass defrosting mode, the refrigerant inlet is in opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093685.7A CN108224602A (en) | 2018-01-31 | 2018-01-31 | For the branch pipe and air conditioner of outdoor heat exchanger of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810093685.7A CN108224602A (en) | 2018-01-31 | 2018-01-31 | For the branch pipe and air conditioner of outdoor heat exchanger of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108224602A true CN108224602A (en) | 2018-06-29 |
Family
ID=62670135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810093685.7A Pending CN108224602A (en) | 2018-01-31 | 2018-01-31 | For the branch pipe and air conditioner of outdoor heat exchanger of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108224602A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489130A (en) * | 2018-11-02 | 2019-03-19 | 珠海格力电器股份有限公司 | A kind of heat exchanger, outdoor unit and air-conditioning |
| CN110207273A (en) * | 2019-06-14 | 2019-09-06 | 广东美的暖通设备有限公司 | Outdoor heat exchanger, refrigeration system, air conditioner, progress control method and device |
| CN110274414A (en) * | 2019-06-24 | 2019-09-24 | 珠海格力电器股份有限公司 | Gas-distributing pipe component and air conditioner with it |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489130A (en) * | 2018-11-02 | 2019-03-19 | 珠海格力电器股份有限公司 | A kind of heat exchanger, outdoor unit and air-conditioning |
| CN110207273A (en) * | 2019-06-14 | 2019-09-06 | 广东美的暖通设备有限公司 | Outdoor heat exchanger, refrigeration system, air conditioner, progress control method and device |
| CN110274414A (en) * | 2019-06-24 | 2019-09-24 | 珠海格力电器股份有限公司 | Gas-distributing pipe component and air conditioner with it |
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