CN205593410U - Shell and tube heat exchanger and air -conditioner - Google Patents
Shell and tube heat exchanger and air -conditioner Download PDFInfo
- Publication number
- CN205593410U CN205593410U CN201620396610.2U CN201620396610U CN205593410U CN 205593410 U CN205593410 U CN 205593410U CN 201620396610 U CN201620396610 U CN 201620396610U CN 205593410 U CN205593410 U CN 205593410U
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- Prior art keywords
- heat exchanger
- tube
- shell
- heat exchange
- exchanger tube
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- Expired - Fee Related
Links
- 239000002826 coolant Substances 0.000 claims description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 20
- 238000000926 separation method Methods 0.000 claims description 2
- 239000007788 liquid Substances 0.000 abstract description 14
- 239000003507 refrigerant Substances 0.000 abstract description 13
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000005057 refrigeration Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000007306 turnover Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- BGOFCVIGEYGEOF-UJPOAAIJSA-N helicin Chemical compound O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CO)O[C@H]1OC1=CC=CC=C1C=O BGOFCVIGEYGEOF-UJPOAAIJSA-N 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Abstract
The utility model discloses a shell tube heat exchanger and air conditioner, wherein, be provided with at least one first heat exchange tube and at least one second heat exchange tube in the heat transfer shell, the one end of first heat exchange tube with the one end intercommunication of second heat exchange tube, the other end and the sealed intercommunication of refrigerant inflow pipe of first heat exchange tube, the other end and the sealed intercommunication of refrigerant outlet pipe of second heat exchange tube, the cross -sectional area of first heat exchange tube is less than the cross -sectional area of second heat exchange tube. The utility model discloses technical scheme sets the cross section flow that is less than the second heat exchange tube to through the cross section flow of the first heat exchange tube of liquid refrigerants that will be used for circulating, and heat transfer characteristic when according with refrigerant gas -liquid state has improved the heat exchange efficiency of refrigerant greatly.
Description
Technical field
This utility model relates to field of air conditioning, particularly to a kind of shell and tube exchanger and air-conditioner.
Background technology
Referring to Fig. 1, shell and tube exchanger is typically made up of heat exchange cylinder, water inlet pipe 40' and outlet pipe 50',
Heat exchange cylinder is made up of barrel shell 10', heat exchange copper tube 11', deflection plate 17', forms one and is entered by water and coolant
The heat exchanger of the cold and hot exchange of row, changes the temperature of water, and water is delivered to indoor set as refrigerating medium and carried out heat exchange,
Thus changing indoor temperature, the heat exchange copper tube 11' within barrel shell 10' uses straight tube heat exchange structure, passes in and out coolant
Heat exchange copper tube 11' use unified specification, the turnover pipe diameter size of coolant is identical, and deflection plate 17' is multiple
The top and the bottom being arranged on heat exchange shell 10' being spaced the most successively along heat exchange shell 10', water inlet pipe 40' and going out
Water pipe 50' is separately positioned on the two ends outer wall of heat exchange shell 10', as the current of refrigerating medium from water inlet pipe
Wave flowing is axially done along heat exchange shell 10' after entering under the effect of deflection plate 17' in one end of 40'.
This shell and tube exchanger is caused to be primarily present following shortcoming:
One is that the turnover caliber of coolant is the biggest, does not meets heat transfer characteristic during coolant gas-liquid State Transferring,
Gaseous coolant needs heat transfer space big, and liquid refrigerants needs heat transfer space little.
Two is that the current of refrigerating medium resistance when flowing is big, forms whirlpool dead angle during flowing and between deflection plate.
Above 2 are caused shell and tube exchanger heat exchange efficiency low, and air conditioning unit refrigeration and heating capacity are low.
Utility model content
Main purpose of the present utility model is to propose a kind of shell and tube exchanger, it is intended to improve changing of heat exchanger
The thermal efficiency.
For achieving the above object, a kind of shell and tube exchanger that the utility model proposes, including heat exchange shell,
At least one first heat exchanger tube and at least one second heat exchanger tube it is provided with in described heat exchange shell, described the
One end of one heat exchanger tube connects with one end of described second heat exchanger tube, the other end of described first heat exchanger tube with
Coolant flows into seal of tube connection, and the other end of described second heat exchanger tube seals with coolant effuser and connects, institute
State the cross-sectional area cross-sectional area less than described second heat exchanger tube of the first heat exchanger tube.
Preferably, the inside and outside wall of described first heat exchanger tube and the second heat exchanger tube there is multiple radial protrusion respectively
Coiled coil forms multi-start helical tubes.
Preferably, the inside and outside wall of described first heat exchanger tube is formed by three radial protrusion coiled coils, described
The inside and outside wall of the second heat exchanger tube is formed by four radial protrusion coiled coils.
Preferably, the two ends of described heat exchange shell are correspondingly provided with for installing described first heat exchanger tube and second
The shunting end plate of heat exchanger tube and mixing end plate, the two ends correspondence of described first heat exchanger tube and the second heat exchanger tube is even
Logical described shunting end plate and mixing end plate.
Preferably, described shunting end plate top cover labyrinth is provided with shunting end casing, described shunting end casing interior
Side depression has the corresponding separatory chamber connected with coolant inflow pipe and the sealing of coolant effuser and air collecting chamber, described
Separatory chamber connects with all first heat exchanger tubes, and described air collecting chamber connects with all second heat exchanger tubes.
Preferably, described mixing end plate top cover labyrinth is provided with mixing end casing, described mixing end casing interior
Side depression has coolant hybrid chamber, described coolant hybrid chamber to connect with all first heat exchanger tubes and the second heat exchanger tube.
Preferably, described shell and tube exchanger also includes that the inner chamber of described heat exchange shell is divided into upper separation by one
Chamber and the deflector of lower compartment, described deflector, away from one end of described shunting end plate, is provided with one by institute
Stating the breach that the upper compartment of heat exchange shell connects with lower compartment, described first heat exchanger tube is arranged at described
In lower compartment, described second heat exchanger tube is arranged in described upper compartment.
Preferably, described shell and tube exchanger also includes water inlet pipe and outlet pipe, described water inlet pipe and water outlet
Pipe lays respectively at the both sides up and down of described heat exchange shell and with described heat exchange shell away from described deflector breach
One end connection.
Preferably, on the axis of symmetry being arranged on described heat exchange shell of described deflector level, change described
Hot shell is divided equally.
This utility model also proposes a kind of air-conditioner, including shell and tube exchanger, described shell and tube exchanger
Including heat exchange shell, be provided with in described heat exchange shell at least one first heat exchanger tube and at least one second
Heat exchanger tube, one end of corresponding and described second heat exchanger tube in one end of described first heat exchanger tube connects, and described
The other end of one heat exchanger tube flows into the seal of tube with coolant and connects, the other end of described second heat exchanger tube and coolant
Effuser seals connection, and the cross section flow of described first heat exchanger tube is less than described second heat exchanger tube.
Technical solutions of the utility model are by the transversal surface current by the first heat exchanger tube of the liquid refrigerants that is used for circulating
Amount is set smaller than the cross section flow of the second heat exchanger tube, meets heat transfer characteristic during coolant gas-liquid state,
And first heat exchanger tube and the second heat exchanger tube use multi-head spiral tubular construction, and parallel with deflector so that pipe
Interior coolant and outside tube water stream flow into helical form, add the disturbance of coolant and refrigerating medium, be greatly improved
The heat exchange efficiency of coolant, avoids tradition deflection plate simultaneously and forms the whirlpool existing for wave water flow mode
Stream dead angle, reduces resistance to water-flow.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is only embodiments more of the present utility model, for ordinary skill people
From the point of view of Yuan, on the premise of not paying creative work, it is also possible to obtain according to the structure shown in these accompanying drawings
Obtain other accompanying drawing.
Fig. 1 is the structural representation of background technology shell and tube exchanger；
Fig. 2 is the structural representation of this utility model shell and tube exchanger one embodiment；
Fig. 3 a is the side view of the first heat exchanger tube in Fig. 2；
Fig. 3 b is the sectional view in First Heat Exchanger A direction in Fig. 2；
Fig. 4 a is the side view of the second heat exchanger tube in Fig. 2；
Fig. 4 b is the sectional view in the second heat exchanger tube A direction in Fig. 2；
Fig. 5 be in Fig. 2 heat exchange shell with shunting end cap, mix end cap mounting structure illustrate；
Fig. 6 is the partial enlarged drawing in Fig. 2 at B.
Drawing reference numeral illustrates:
The realization of this utility model purpose, functional characteristics and advantage will in conjunction with the embodiments, do referring to the drawings into
One step explanation.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, to the technology in this utility model embodiment
Scheme is clearly and completely described, it is clear that described embodiment is only of the present utility model one
Section Example rather than whole embodiments.Based on the embodiment in this utility model, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise, broadly falls into
The scope of this utility model protection.
It is to be appreciated that if this utility model embodiment relates to directivity instruction (the most upper and lower, left,
It is right, forward and backward ...), then directionality instruction is only used for explaining in a certain particular pose (as shown in drawings)
Under relative position relation between each parts, motion conditions etc., if this particular pose changes,
Then directionality instruction changes the most therewith.
If it addition, this utility model embodiment relates to the description of " first ", " second " etc., then should
The description of " first ", " second " etc. is only used for describing purpose, and it is not intended that indicate or imply its phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", "
Two " feature can express or implicitly include at least one this feature.It addition, each embodiment it
Between technical scheme can be combined with each other, but must be to can be implemented as with those of ordinary skill in the art
Basis, when technical scheme combination occur conflicting maybe cannot realize time will be understood that this technical scheme
Combination do not exist, the most not this utility model require protection domain within.
As in figure 2 it is shown, the structural representation that Fig. 2 is this utility model shell and tube exchanger one embodiment.
In this utility model embodiment, this shell and tube exchanger includes heat exchange shell 10, outside described heat exchange
At least one the first heat exchanger tube 11 and at least one second heat exchanger tube 12 it is provided with in shell 10, described first
One end of heat exchanger tube 11 connects with one end of described second heat exchanger tube 12, described first heat exchanger tube 11 another
One end flows into pipe 20 sealing and connects with coolant, the other end of described second heat exchanger tube 12 and coolant effuser
30 seal connection, and the cross-sectional area of described first heat exchanger tube 11 is transversal less than described second heat exchanger tube 12
Area.
Heat exchanger is when refrigeration work, and liquid refrigerants flows into pipe 20 from coolant and flows into and branch to all of the
In one heat exchanger tube 11 thus carry out heat exchange with the refrigerating medium in heat exchange shell 10, in heat absorption evaporation process from
Liquid is converted into gaseous coolant, and continues to carry out heat exchange with refrigerating medium in entering into the second heat exchanger tube 12,
Flow out from coolant effuser 30 afterwards；Owing to the heat transfer space area needed for two states coolant is different, this reality
Execute example by becoming the cross section flow set of the first heat exchanger tube 11 of the liquid refrigerants that is used for circulating less than second
The cross section flow of heat exchanger tube 12, meets heat transfer characteristic during coolant gas-liquid state, substantially increases coolant
Heat exchange efficiency.
The shell and tube exchanger of the present embodiment is when heating work, and the flow direction of coolant is contrary with during above-mentioned refrigeration,
As in figure 2 it is shown, in gaseous coolant is flowed into the second heat exchanger tube 12 from coolant effuser 30 and refrigerating medium
Carry out heat exchange, condense into liquid refrigerants after heat exchange and enter into the first heat exchanger tube 11, finally flow into pipe from coolant
20 flow out.
Concrete, seeing Fig. 3 a, Fig. 3 b, Fig. 4 a and Fig. 4 b, described first heat exchanger tube 11 and second changes
It is respectively provided with multiple radial protrusion 111,121 coiled coil on the inside and outside wall of heat pipe 12 and forms multi-head spiral
Pipe so that in pipe coolant and manage outer refrigerating medium flow into helical form, add disturbing of coolant and refrigerating medium
Dynamic, increase the heat exchange efficiency of coolant and refrigerating medium.Preferably, described first heat exchanger tube 11 has three
Radial protrusion 111, forms SANYE twist shape heat exchange copper tube, and described second heat exchanger tube 12 has four radial directions
Protruding 121, form four leaf twist shape heat exchange copper tubes, the projection 111 of the first heat exchanger tube 11 and the second heat exchange
Projection 121 size structure of pipe 12 is identical, is guaranteeing by the first heat exchanger tube 11 and the second heat exchanger tube
The while that the coolant of 12 inside and outside walls and refrigerating medium flowing into spiral helicine so that the circulation of the first heat exchanger tube 11
Less than the second heat exchanger tube 12, meet heat transfer characteristic during coolant gas-liquid state.
Further, the two ends of above-mentioned heat exchange shell 10 are correspondingly provided with for installing the first heat exchanger tube 11 He
The shunting end plate 13 of the second heat exchanger tube 12 and mixing end plate 14, the first heat exchanger tube 11 and the second heat exchanger tube
The two ends of 12 extend through shunting end plate 13 and mixing end plate 14, and the first heat exchanger tube 11 and the second heat exchange
The two ends of pipe 12 are fixed on shunting end plate 13 and mixing end plate 14, add heat exchanger tube and heat exchange shell
The bonding strength of 10, it is to avoid secondary refrigerant leakage enters in refrigerating medium or refrigerating medium is leaked in coolant and leads
Cause the damage of heat-exchange system.
As shown in Figure 5, it is preferable that the outer side seal of shunting end plate 13 is covered with shunting end casing 15, divides
The inner side depression of stream end casing 15 has and flows into pipe 20 and coolant effuser 30 respectively with coolant and seal and connect
Separatory chamber 151 and air collecting chamber 152, separatory chamber 151 connects with all first heat exchanger tubes 11, this separatory chamber
151 for branching to the inflow of all first heat exchanger tubes 11 by flowing into, from coolant, the liquid refrigerants that pipe 20 flows into
The mouth of pipe 112；Air collecting chamber 152 connects with the outflow mouth of pipe 122 of all second heat exchanger tubes 12, for will be from
The gaseous coolant collection merging that second heat exchanger tube 12 flows out flows into coolant effuser 30, makes coolant divide equally to respectively
In heat exchange, increase heat exchange efficiency.
Further, mixing end plate 14 top cover labyrinth is provided with mixing end casing 16, this mixing end casing
The inner side depression of 16 has a coolant hybrid chamber 161, coolant hybrid chamber 161 and all first heat exchanger tubes 11 and the
Two heat exchanger tubes 12 connect, after the coolant flashing to gaseous state in the first heat exchanger tube 11 is collected mixing
Shunting imports in the second heat exchanger tube 12.Certainly, also can arrange and the first heat exchange in this coolant hybrid chamber 161
Semicircle that pipe 11 is consistent with the second heat exchanger tube 12 quantity or arc connecting tube, connecting tube is by the first heat exchange
Pipe and the second heat exchanger tube are tightly connected one to one, it is achieved the liquid refrigerants heat exchange in the first heat exchanger tube is steamed
Enter into after Faing in the second heat exchanger tube.
The shunting end casing 15 of the present embodiment and the simple in construction of mixing end casing 16, easy for installation, logical
Cross bolt can quickly with the shunting end plate 13 on heat exchange shell 10 two ends and mix end plate 14 and be tightly connected,
Good seal performance.
With reference to Fig. 2 and Fig. 6, in a preferred embodiment, shell and tube exchanger also includes one by described heat exchange
The inner chamber of shell 10 is divided into compartment and the deflector 17 of lower compartment, and deflector 17 is away from described point
One end of stream end plate 13 is provided with the breach connected by the described upper compartment of heat exchange shell 10 with lower compartment
171, the first heat exchanger tube 11 is arranged in described lower compartment, and the second heat exchanger tube 12 is arranged at described upper point
In separate space.
Concrete, deflector 17 is horizontally disposed with, and parallels with the first heat exchanger tube 11 and the second heat exchanger tube 12,
Its one end be fixed on shunting end plate 13 on, the other end to mixing end plate 14 direction extend, and with mix end
Having a distance between plate 14 and form above-mentioned breach 171, refrigerating medium is around outside the first heat exchanger tube 11 twist shape
Space spiral flow between screw thread and between multiple second heat exchanger tube 12 twist shape external screw thread, refrigerating
Agent and coolant obtain abundant heat exchange, are greatly improved the mobility of refrigerating medium, thus further improve cold
Matchmaker and the heat exchange efficiency of refrigerating medium, only need deflector levels to shunt, it is to avoid tradition baffle plate wave current
Eddy current dead angle existing for mode, reduces water resistance.
Further, on the axis of symmetry being arranged on described heat exchange shell 10 of deflector 17 level, will change
Hot shell 10 is divided equally into compartment and lower compartment, and the shell and tube exchanger of the present embodiment also includes into water
Pipe 40 and outlet pipe 50, water inlet pipe 40 and outlet pipe 50 lay respectively at the upper and lower of described heat exchange shell 10
Both sides and connecting away from one end of described deflector breach 171 with described heat exchange shell 10, water inlet pipe 40
Connecting with described upper compartment, outlet pipe 50 connects with described lower compartment.The present embodiment passes through water conduct
Refrigerating medium, first along the axial stream of the second heat exchanger tube 12 after the upper compartment of current entrance heat exchange shell 10
Dynamic, it is flowed into heat exchange shell 10 through deflector 17 with mixing the breach 171 formed between end plate 14
Lower compartment in, further along the axial flowing of the first heat exchanger tube 11, from outlet pipe 50 after abundant heat exchange
Flow out, it is to avoid traditional deflection plate forms the eddy current dead angle existing for wave water flow mode, reduce current
Resistance.
This utility model also proposes a kind of air-conditioner, including shell and tube exchanger, the tool of shell and tube exchanger
Body structure is with reference to above-described embodiment, owing to this air-conditioner have employed whole technical sides of above-mentioned all embodiments
Case, the most at least has all beneficial effects that the technical scheme of above-described embodiment is brought, at this no longer
Repeat one by one.
The foregoing is only preferred embodiment of the present utility model, not thereby limit of the present utility model specially
Profit scope, every under inventive concept of the present utility model, in utilizing this utility model description and accompanying drawing
The equivalent structure transformation of Rong Suozuo, or directly/be indirectly used in other relevant technical fields and be included in this
In the scope of patent protection of utility model.
Claims (10)
1. a shell and tube exchanger, it is characterised in that include heat exchange shell, set in described heat exchange shell
Be equipped with at least one first heat exchanger tube and at least one second heat exchanger tube, one end of described first heat exchanger tube with
One end connection of described second heat exchanger tube, the other end of described first heat exchanger tube and coolant flow into the seal of tube even
Logical, the other end of described second heat exchanger tube seals with coolant effuser and connects, the horizontal stroke of described first heat exchanger tube
Sectional area is less than the cross-sectional area of described second heat exchanger tube.
2. shell and tube exchanger as claimed in claim 1, it is characterised in that described first heat exchanger tube and
Multiple radial protrusion coiled coil is had to form multi-start helical tubes on the inside and outside wall of the second heat exchanger tube respectively.
3. shell and tube exchanger as claimed in claim 2, it is characterised in that described first heat exchanger tube
Inside and outside wall is formed by three radial protrusion coiled coils, and the inside and outside wall of described second heat exchanger tube is by four radial directions
Raised spiral coiling is formed.
4. shell and tube exchanger as claimed in claim 2, it is characterised in that the two of described heat exchange shell
End is correspondingly provided with the shunting end plate for installing described first heat exchanger tube and the second heat exchanger tube and mixing end plate,
The two ends correspondence of described first heat exchanger tube and the second heat exchanger tube connects described shunting end plate and mixing end plate.
5. shell and tube exchanger as claimed in claim 4, it is characterised in that close on described shunting end plate
Capping is provided with shunting end casing, and the inner side depression of described shunting end casing has corresponding inflow with coolant to manage and cold
Matchmaker's effuser seals separatory chamber and the air collecting chamber of connection, and described separatory chamber connects with all first heat exchanger tubes,
Described air collecting chamber connects with all second heat exchanger tubes.
6. shell and tube exchanger as claimed in claim 5, it is characterised in that close on described mixing end plate
Capping is provided with mixing end casing, and the inner side depression of described mixing end casing has coolant hybrid chamber, described coolant
Hybrid chamber connects with all first heat exchanger tubes and the second heat exchanger tube.
7. shell and tube exchanger as claimed in claim 5, it is characterised in that described shell and tube exchanger
Also include that the inner chamber of described heat exchange shell is divided into upper compartment and the deflector of lower compartment by one, described in lead
Stream plate away from one end of described shunting end plate, is provided with one by the upper compartment of described heat exchange shell and lower separation
The breach of chamber connection, described first heat exchanger tube is arranged in described lower compartment, and described second heat exchanger tube sets
It is placed in described upper compartment.
8. shell and tube exchanger as claimed in claim 7, it is characterised in that described shell and tube exchanger
Also include that water inlet pipe and outlet pipe, described water inlet pipe and outlet pipe lay respectively at the upper and lower of described heat exchange shell
Both sides and connecting away from one end of described deflector breach with described heat exchange shell.
9. shell and tube exchanger as claimed in claim 7, it is characterised in that described deflector level
It is arranged on the axis of symmetry of described heat exchange shell, described heat exchange shell is divided equally.
10. an air-conditioner, it is characterised in that include the package described in claim 1-9 any one
Formula heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396610.2U CN205593410U (en) | 2016-05-03 | 2016-05-03 | Shell and tube heat exchanger and air -conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620396610.2U CN205593410U (en) | 2016-05-03 | 2016-05-03 | Shell and tube heat exchanger and air -conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205593410U true CN205593410U (en) | 2016-09-21 |
Family
ID=56932926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620396610.2U Expired - Fee Related CN205593410U (en) | 2016-05-03 | 2016-05-03 | Shell and tube heat exchanger and air -conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205593410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631464A (en) * | 2017-09-13 | 2018-01-26 | 珠海格力电器股份有限公司 | Heat exchanger assembly and its design method, air conditioner |
| CN111103320A (en) * | 2019-12-13 | 2020-05-05 | 浙江海亮股份有限公司 | Heat exchange coefficient measuring device |
-
2016
- 2016-05-03 CN CN201620396610.2U patent/CN205593410U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631464A (en) * | 2017-09-13 | 2018-01-26 | 珠海格力电器股份有限公司 | Heat exchanger assembly and its design method, air conditioner |
| CN111103320A (en) * | 2019-12-13 | 2020-05-05 | 浙江海亮股份有限公司 | Heat exchange coefficient measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160921 Termination date: 20170503 |