CN207180448U - A kind of heat exchanger structure - Google Patents
A kind of heat exchanger structure Download PDFInfo
- Publication number
- CN207180448U CN207180448U CN201720840442.6U CN201720840442U CN207180448U CN 207180448 U CN207180448 U CN 207180448U CN 201720840442 U CN201720840442 U CN 201720840442U CN 207180448 U CN207180448 U CN 207180448U
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- Prior art keywords
- distribution pipe
- header
- heat exchanger
- pipe
- exchanger structure
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Abstract
The utility model discloses a kind of heat exchanger structure, distribution pipe including header and insertion header, the axial both ends of the header are provided with end cap, the distribution pipe is completely enclosed and is fixed in header, the distribution pipe is pressed close to the distribution aperture in header inner bottom surface and distribution pipe and is located in header below liquid refrigerant liquid level, the heat exchanger is additionally provided with extension tube attached, and the arrival end of the distribution pipe connects with extension tube attached.The technical solution adopted in the utility model, refrigerant is sprayed the noise of distribution aperture and reduced.
Description
Technical field
It the utility model is related to air-conditioning technical, more particularly to heat exchanger.
Background technology
Micro-channel evaporator needs interpolation distribution pipe to carry out refrigerant liquid separation at present, as shown in figure 1, because distribution pipe 2 is worn
Cross the both sides end cap 11 of header 1, end cap 11 has a certain thickness, therefore distribution pipe 2 has many spaces apart from header bottom, and by
Larger in afflux tube space, the two phase refrigerants that evaporator enters header can produce gas-liquid separation, and liquid specific gravity is big, occupies
One layer of afflux bottom of the tube, and distribution pipe is in gas-liquid two-phase region, refrigerant sprays from the distribution aperture 21 in distribution pipe, gas
In have noise generation.
Distribution pipe 2 is inserted end cap 11 and welded simultaneously, has stress concentration phenomenon with end cap junction.Evaporator is arranged on unit
In, when unit produce vibration when, weak spot typically uses aluminum pipe in distribution pipe and end cap junction, distribution pipe, due to aluminum pipe compared with
It is crisp, therefore aluminum pipe is easiest to be broken from Root Stress centrostigma.
Utility model content
Technical problem to be solved in the utility model is just to provide a kind of heat exchanger structure, avoids refrigerant from distribution pipe
Upper distribution aperture, which sprays, produces noise.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：A kind of heat exchanger structure, including afflux
The distribution pipe of pipe and insertion header, the axial both ends of the header are provided with end cap, it is characterised in that：The distribution pipe is complete
Totally-enclosed and be fixed in header, the distribution aperture that the distribution pipe is pressed close in header inner bottom surface and distribution pipe is located at afflux
Below intraluminal fluid state refrigerant liquid level, the heat exchanger is additionally provided with extension tube attached, and the arrival end of the distribution pipe connects with extension tube attached.
Preferably, the distribution pipe is fixed by stationary barrier.
Preferably, the stationary barrier includes the central dividing plate positioned at distribution pipe arrival end axially inner side, the middle interval
Have between plate and header inner bottom surface gap be fastened on so that refrigerant is provided with by, the central dividing plate distribution pipe it is cylindrical on
Locating slot.
Preferably, the stationary barrier includes the entrance endplate of stationary dispensing tube arrival end, the entrance endplate tool
Have and be bonded simultaneously welding diaphragm hole completely with distribution pipe profile.
Preferably, the cylindrical convex tendon provided with radially protruding of the arrival end of the distribution pipe, the partition board hole has and convex tendon
The positioning recess of cooperation.
Preferably, the termination of the convex tendon is provided with the positioning flange for being used for positioning distribution pipe axial location.
Preferably, the connecting tube being connected with extension tube attached is welded with the end cap, the connecting tube has flared section and expansion
Mouth section end face welds together with end cap, and the end of the connecting tube, which is provided with, is put into welding wire to realize that connecting tube is welded with extension tube attached
Expansion mouth；Or the connecting tube being connected with extension tube attached is welded with the header, the connecting tube has flared section and expansion
Mouth section end face welds together with header, and the end of the connecting tube, which is provided with, is put into welding wire to realize that connecting tube is welded with extension tube attached
The expansion mouth connect.
Preferably, the distribution pipe is aluminum pipe, and the connecting tube is copper pipe.
Preferably, the header is provided with one in the one end to connect with extension tube attached and made in distribution pipe and extension tube attached connection
Between connecting cavity.
Preferably, the arrival end of the distribution pipe is fixed and sealed using distribution pipe fixed block, the connecting tube insertion point
Pipe arrangement fixed block, the distribution pipe fixed block have the intermediate connection hole of connection transfer tube and distribution pipe.
The technical solution adopted in the utility model, distribution pipe is completely enclosed within inside header, and be fixed, simultaneously
Distribution pipe is set to press close to afflux bottom of the tube, while the distribution aperture in distribution pipe is located in header below liquid refrigerant liquid level,
Therefore the noise of refrigerant ejection distribution aperture is reduced.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and detailed description：
Fig. 1 is heat exchanger structure figure in the prior art；
Fig. 2 is heat exchanger structure schematic diagram in the utility model embodiment one；
Fig. 3 is heat exchanger radial section structural representation in the utility model embodiment one；
Fig. 4 is heat exchanger structure schematic diagram in the utility model embodiment two；
Fig. 5 is heat exchanger structure schematic diagram in the utility model embodiment three；
Fig. 6 is heat exchanger radial section structural representation in the utility model embodiment three；
Fig. 7 is heat exchanger structure schematic diagram in the utility model embodiment four；
Fig. 8 is the structural representation of central dividing plate in the utility model embodiment four；
Fig. 9 is the entry end struc-ture schematic diagram of distribution pipe in the utility model embodiment four；
Figure 10 is the structural representation of entrance endplate in utility model example IV.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the utility model in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.Based on the embodiment in the utility model, those of ordinary skill in the art are not having
There is the every other embodiment made and obtained under the premise of creative work, belong to the scope of the utility model protection.
Embodiment one：Referring to figs. 2 and 3 a kind of shown, heat exchanger structure, including header 1 and insertion header
Distribution pipe 2 and flat tube 3, header 1 are provided with a rows of flat pipes groove vertically, and flat tube 3 inserts header 1 by flat tube groove.The collection
The axial both ends of flow tube are provided with end cap 11, and the distribution pipe 2 is completely enclosed and is fixed in header 1, and the distribution pipe 2 is pressed close to
Distribution aperture 21 on header inner bottom surface and distribution pipe is located in header below liquid refrigerant liquid level.Due to distribution pipe 2
Press close to afflux bottom of the tube, header inner bottom surface can be close to completely, certainly, it will be appreciated by those skilled in the art that being not arrange
Except leaving certain interval between distribution pipe 2 and header inner bottom surface, but the distribution aperture 21 being to ensure that in distribution pipe is positioned at collection
In flow tube below liquid refrigerant liquid level, so, refrigerant spray distribution aperture after be to be mixed with liquid refrigerant, avoid and gas
Body is directly contacted, therefore noise is reduced.
In addition, heat exchanger is additionally provided with extension tube attached 23, the arrival end of the distribution pipe connects with extension tube attached 23, passes through extension tube attached
Refrigerant is conveyed to distribution pipe 2.
In order to realize fixation of the distribution pipe 2 in header 1, stationary barrier 12, the distribution pipe 2 are installed in header
Fixed by stationary barrier 12.Header 1 is provided with one in the one end to connect with extension tube attached 23 connects distribution pipe 2 and extension tube attached 23
Logical middle connecting cavity 101.Refrigerant is entered in middle connecting cavity 101 by extension tube attached 23, and is rushed in middle connecting cavity 101
Hit after being well mixed and reenter distribution pipe 2.
Wherein, the stationary barrier 12 includes central dividing plate 121, and central dividing plate 121 is fixed on distribution pipe arrival end axial direction
Inner side.With reference to shown in figure 8, central dividing plate 121 is generally circular, and bottom is provided with horizontal cut face 1211, so middle to be spaced
Between plate 121 and header inner bottom surface formed gap for refrigerant by, meanwhile, the central dividing plate 121 be provided be fastened on
Locating slot 1212 on the upper half of distribution pipe 2 is cylindrical, distribution pipe 2 is positioned and fixed.Header 1 is spaced in flat tube groove side is corresponding
Plate 121 is provided with front slot so that central dividing plate 121 is out of collecting pipe flat tube seat respective side insertion header 1, and by distribution pipe 2
It is pressed on header inner bottom surface, central dividing plate 121 is provided with the arc radial recess circumferentially locally extended, and the arc is radially recessed
The fully-inserted header 1 in portion is simultaneously bonded with afflux inside pipe wall.
Further, with reference to shown in figure 10, the stationary barrier 12 also includes entrance endplate 122, by arrival end every
The stationary dispensing tube arrival end of plate 122, the entrance endplate 122 have the partition board hole for being bonded and welding completely with distribution pipe profile
1221, distribution pipe 2 can be positioned inside header.So, entrance endplate 122 and distribution pipe 2 and afflux inside pipe wall are close
Envelope, middle connecting cavity 101 is formed between the entrance endplate 122 and the end cap 11 of arrival end.
The stress concentration phenomenon at place is welded to connect with end cap 11 in order to solve distribution pipe 2, connecting tube is welded with end cap 11
22.The connecting tube 22 has flared section and flared section end face 221 welds together with end cap.The end of the connecting tube is provided with
Expansion mouth 222 realizes that connecting tube is welded and fixed with extension tube attached 23 to be put into welding wire.The distribution pipe 2 and extension tube attached 23 can be
Aluminum pipe, the connecting tube 22 are copper pipe.After connecting tube 22 and end cap 11 weld, then weld with extension tube attached 23, because connecting tube expands
Mouth section welds together with end cap, and the flared section end face 221 of connecting tube 22 is welded with end cap 11, adds connecting tube 22 and end
The contact area of lid 11, intensity is added, therefore weak spot is transferred to connecting tube 22 and the junction of extension tube attached 23, and connect pipe end
There is expansion mouth 222 in portion, has accumulated a large amount of solders herein, while connecting tube is copper pipe, and intensity is high compared with aluminum pipe, therefore does not allow easily broken
Split.
Embodiment two, with reference to shown in figure 4, it is with the difference of embodiment one, connecting tube 22 is connected to header radial side,
Without entering from end cap 11, therefore save space.The other structures and operation principle and embodiment of the heat exchanger of embodiment two
One is identical, will not be repeated here.
Embodiment three, with reference to shown in figure 5 and Fig. 6, it is with the difference of embodiment one, the arrival end of the distribution pipe uses
Distribution pipe fixed block 13 is fixed and sealed, and the connecting tube 22 inserts distribution pipe fixed block 13, and the distribution pipe fixed block 13 has
There is the intermediate connection hole 131 of connection connecting tube 22 and distribution pipe 2.So, compared with embodiment one, it is not necessary to inlet porting end every
Plate 122, it is not required that connecting cavity 101 among setting.The other structures and operation principle and embodiment of the heat exchanger of embodiment two
One is identical, will not be repeated here.
Example IV, with reference to shown in figure 7 to Figure 10, in embodiment one on the basis of arrival end diaphragm structure, the distribution
The cylindrical convex tendon 102 provided with radially protruding of arrival end of pipe, the partition board hole 1221 have the positioning recess coordinated with convex tendon
1222.The termination of the convex tendon is provided with the positioning flange for being used for positioning distribution pipe axial location.Wherein, convex tendon 102 act as preventing
Only distribution pipe rotates in assembling and assembling process, and flange is used for positioning the axial location of distribution pipe.Meanwhile install for convenience
Entrance endplate 122, header 1 correspond to distribution pipe arrival end in flat tube groove rear side and are provided with back slot, for arrival end every
Plate 122 is out of the insertion of the collecting pipe flat tube seat back side header 1.
In addition to above preferred embodiment, the utility model also has other embodiments, and those skilled in the art can root
It is variously modified and deforms according to the utility model, without departing from spirit of the present utility model, the utility model all should be belonged to
Scope as defined in the claims.
Claims (10)
1. a kind of heat exchanger structure, including header and the distribution pipe for inserting header, the axial both ends of the header are set
There is end cap, it is characterised in that：The distribution pipe is completely enclosed and is fixed in header, and the distribution pipe presses close to bottom in header
Distribution aperture on face and distribution pipe is located in header below liquid refrigerant liquid level, and the heat exchanger is additionally provided with extension tube attached,
The arrival end of the distribution pipe connects with extension tube attached.
A kind of 2. heat exchanger structure according to claim 1, it is characterised in that：The distribution pipe is consolidated by stationary barrier
Fixed, the stationary barrier includes central dividing plate, has gap between central dividing plate and the header inner bottom surface for refrigerant
Be provided with by, the central dividing plate be fastened on distribution pipe it is cylindrical on locating slot.
A kind of 3. heat exchanger structure according to claim 2, it is characterised in that：The stationary barrier includes stationary dispensing tube
The entrance endplate of arrival end, the entrance endplate has is bonded simultaneously welding diaphragm hole with distribution pipe profile completely.
A kind of 4. heat exchanger structure according to claim 3, it is characterised in that：The arrival end of the distribution pipe is cylindrical to be provided with
The convex tendon of radially protruding, the partition board hole have the positioning recess coordinated with convex tendon.
A kind of 5. heat exchanger structure according to claim 4, it is characterised in that：The termination of the convex tendon, which is provided with, to be used for positioning
The positioning flange of distribution pipe axial location.
A kind of 6. heat exchanger structure according to claim 3, it is characterised in that：During the header is corresponding in flat tube groove side
Space bar is provided with front slot so that central dividing plate is out of collecting pipe flat tube seat respective side insertion header, and the header is flat
Tube seat rear side corresponds to distribution pipe arrival end and collected provided with back slot so that entrance endplate inserts from the collecting pipe flat tube seat back side
In flow tube.
A kind of 7. heat exchanger structure according to claim 1 to 6 any one, it is characterised in that：Welded on the end cap
There is the connecting tube being connected with extension tube attached, the connecting tube has flared section and flared section end face welds together with end cap, described
The end of connecting tube, which is provided with, is put into welding wire to realize connecting tube and the expansion mouth of extension tube attached welding；Or welded on the header
The connecting tube being connected with extension tube attached is connected to, the connecting tube has flared section and flared section end face welds together with header,
The end of the connecting tube, which is provided with, is put into welding wire to realize connecting tube and the expansion mouth of extension tube attached welding.
A kind of 8. heat exchanger structure according to claim 7, it is characterised in that：The distribution pipe is aluminum pipe, the connection
Manage as copper pipe.
A kind of 9. heat exchanger structure according to claim 7, it is characterised in that：The header is connecting with extension tube attached
One end, which is provided with one, makes the middle connecting cavity that distribution pipe connects with extension tube attached.
A kind of 10. heat exchanger structure according to claim 7, it is characterised in that：The arrival end of the distribution pipe, which uses, to be divided
Pipe arrangement fixed block is fixed and sealed, and the connecting tube inserts distribution pipe fixed block, and there is the distribution pipe fixed block connection to transfer
The intermediate connection hole of pipe and distribution pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720840442.6U CN207180448U (en) | 2017-07-12 | 2017-07-12 | A kind of heat exchanger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720840442.6U CN207180448U (en) | 2017-07-12 | 2017-07-12 | A kind of heat exchanger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207180448U true CN207180448U (en) | 2018-04-03 |
Family
ID=61735892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720840442.6U Active CN207180448U (en) | 2017-07-12 | 2017-07-12 | A kind of heat exchanger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207180448U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020063962A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| WO2020063972A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966805A (en) * | 2018-09-30 | 2020-04-07 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966806A (en) * | 2018-09-30 | 2020-04-07 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN111442571A (en) * | 2019-01-17 | 2020-07-24 | 浙江三花智能控制股份有限公司 | Collecting pipe assembly and heat exchanger |
| WO2020237960A1 (en) * | 2019-05-31 | 2020-12-03 | 浙江三花智能控制股份有限公司 | Distribution pipe and heat exchanger |
| US11892251B2 (en) | 2018-09-30 | 2024-02-06 | Hangzhou Sanhua Research Institute Co., Ltd. | Heat exchanger |
-
2017
- 2017-07-12 CN CN201720840442.6U patent/CN207180448U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110966805B (en) * | 2018-09-30 | 2021-09-10 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966806B (en) * | 2018-09-30 | 2021-09-10 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966803A (en) * | 2018-09-30 | 2020-04-07 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966805A (en) * | 2018-09-30 | 2020-04-07 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966806A (en) * | 2018-09-30 | 2020-04-07 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966804A (en) * | 2018-09-30 | 2020-04-07 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| WO2020063972A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| US11913735B2 (en) | 2018-09-30 | 2024-02-27 | Hangzhou Sanhua Research Institute Co., Ltd. | Heat exchanger |
| US11892251B2 (en) | 2018-09-30 | 2024-02-06 | Hangzhou Sanhua Research Institute Co., Ltd. | Heat exchanger |
| WO2020063962A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| CN110966804B (en) * | 2018-09-30 | 2021-09-24 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| EP3859264A4 (en) * | 2018-09-30 | 2021-11-24 | Zhejiang Sanhua Intelligent Controls CO., Ltd. | Heat exchanger |
| CN111442571B (en) * | 2019-01-17 | 2022-03-25 | 浙江三花智能控制股份有限公司 | Collecting pipe assembly and heat exchanger |
| CN111442571A (en) * | 2019-01-17 | 2020-07-24 | 浙江三花智能控制股份有限公司 | Collecting pipe assembly and heat exchanger |
| WO2020237960A1 (en) * | 2019-05-31 | 2020-12-03 | 浙江三花智能控制股份有限公司 | Distribution pipe and heat exchanger |
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