CN113602059A - Condensed water seepage-proofing structure of automobile evaporator - Google Patents
Condensed water seepage-proofing structure of automobile evaporator Download PDFInfo
- Publication number
- CN113602059A CN113602059A CN202110894227.5A CN202110894227A CN113602059A CN 113602059 A CN113602059 A CN 113602059A CN 202110894227 A CN202110894227 A CN 202110894227A CN 113602059 A CN113602059 A CN 113602059A
- Authority
- CN
- China
- Prior art keywords
- evaporator
- hole
- condensed water
- wall
- waterproof
- 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.)
- Granted
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 238000009413 insulation Methods 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 14
- 230000002265 prevention Effects 0.000 claims description 2
- 210000000867 larynx Anatomy 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 230000007704 transition Effects 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 abstract 2
- 229920000459 Nitrile rubber Polymers 0.000 description 9
- 229920000915 polyvinyl chloride Polymers 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 9
- 238000010521 absorption reaction Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 241000463219 Epitheca Species 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009395 breeding Methods 0.000 description 1
- 230000001488 breeding effect Effects 0.000 description 1
- 210000002421 cell wall Anatomy 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H1/3202—Cooling devices using evaporation, i.e. not including a compressor, e.g. involving fuel or water evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/32—Cooling devices
- B60H2001/3286—Constructional features
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention relates to a condensed water seepage-proofing structure of an automobile evaporator, which comprises a through hole arranged on an evaporator shell, wherein a waterproof plate is fixedly arranged in the through hole, a pair of through holes are arranged on the waterproof plate, a liquid inlet pipe and a liquid outlet pipe of the evaporator are respectively embedded in the through holes, elastic sealing elements are sleeved on the liquid inlet pipe and the liquid outlet pipe, and the elastic sealing elements form interference fit with the inner side walls of the through holes of the waterproof plate; the invention utilizes the embedding transition fit of the caulking groove of the waterproof board and the upper and lower shells of the evaporator shell, on one hand, the effect of fixing the waterproof board can be achieved, on the other hand, the sealing performance of the waterproof board and the through hole can be improved by utilizing the structure of the groove wall of the waterproof board, thereby effectively blocking the flow direction of condensed water at the inner side of the evaporator pipeline after condensation, blocking the condensed water at the pipe orifice and preventing the condensed water from flowing to an evaporation fan.
Description
Technical Field
The invention belongs to the field of automobile air conditioners, in particular to the field of an anti-seepage structure of an automobile evaporator.
Background
Among the present vehicle air conditioner, the evaporimeter disposes usually in the panel board, its shell side leaks to expose outside, under air conditioner refrigeration operating mode, the evaporimeter can make the inside temperature of casing reduce at the heat transfer in-process for the surface in the casing very easily produces the comdenstion water, in the in-service use, the casing of evaporimeter can be extended to the pipeline of evaporimeter, at this moment, the comdenstion water condenses the back and probably flows or oozes the evaporimeter casing along the aluminum pipe, get into the cockpit even, be unfavorable for passenger cabin's travelling comfort and security.
Disclosure of Invention
In order to solve the problems, the invention achieves the purposes through the following technical scheme:
the utility model provides a condensation water seepage prevention structure of automobile evaporator, is including locating the through-hole on the evaporimeter casing, the through-hole internal fixation is equipped with the waterproof board, be equipped with a pair of perforation on the waterproof board, inlay the feed liquor pipe and the drain pipe that are equipped with the evaporimeter in the perforation respectively, the cover is equipped with elastic sealing element on feed liquor pipe and the drain pipe, elastic sealing element forms interference fit with the perforation inboard wall of waterproof board.
As a further optimization scheme of the invention, the periphery of the waterproof board is provided with an embedded groove, the through hole extends inwards to be provided with a rib plate, and the rib plate is embedded in the embedded groove of the waterproof board.
As a further optimized scheme of the invention, the size of the groove wall of the caulking groove on the side close to the outer part of the evaporator shell is larger than that of the groove wall on the side close to the inner part of the evaporator.
As a further optimized scheme of the invention, the end part of the perforated outer wall of the waterproof board extends outwards to form a ring wall, and the inner diameter of the ring wall is the same as that of the perforation; the inside wall of rampart and fenestrate inside wall all are equipped with the bulge loop, bulge loop and elastic seal's lateral surface in close contact with.
As a further optimized scheme of the invention, the elastic sealing element adopts PVC/NBR sponge.
As a further optimization scheme of the invention, a protective box is covered on the evaporator shell, and a heat insulation cavity is arranged between the protective box and the evaporator shell.
As a further optimization scheme of the invention, a first liquid outlet is arranged at the bottom of the evaporator shell, a second liquid outlet is arranged at the bottom of the box body of the protection box, a narrow throat is arranged between the evaporator shell and an air blower of the automobile air conditioner, and the narrow throat is respectively communicated with the heat insulation cavity of the protection box and the side wall of the second liquid outlet.
The invention has the beneficial effects that:
1) the PVC/NBR sponge is sleeved on the liquid inlet pipe and the liquid outlet pipe of the evaporator and is in interference fit with the through holes of the waterproof plate by utilizing the characteristics of the PVC/NBR sponge, so that the flow direction of condensed water condensed on a pipeline is effectively blocked, and the condition that the condensed water flows out is blocked and the vibration transmission of the engine compartment by utilizing the liquid inlet pipe and the liquid outlet pipe can be reduced;
2) utilize the caulking groove of waterproof board and the epitheca gomphosis transition fit of evaporimeter casing, can play the effect of fixed waterproof board on the one hand, on the other hand utilizes the structure of the recess cell wall of waterproof board can promote the leakproofness of waterproof board and through-hole department to effectively block the flow direction after the inboard comdenstion water of evaporimeter pipeline condenses, block the mouth of a pipe department comdenstion water, prevent to flow to the evaporation fan.
Drawings
FIG. 1 is a schematic view of the overall construction of the evaporator shell of the present invention;
FIG. 2 is a schematic view of the fit between the flashing of the present invention and the evaporator shell;
FIG. 3 is a schematic view of a flashing of the present invention;
FIG. 4 is a schematic cross-sectional view of a flashing of the present invention;
FIG. 5 is a schematic view of the structure of the narrow throat of the present invention;
FIG. 6 is a schematic cross-sectional view of the protective housing and evaporator shell of the present invention;
in the figure: 1. an evaporator housing; 11. a through hole; 12. a rib plate; 13. a first liquid outlet; 2. a waterproof sheet; 21. perforating; 22. caulking grooves; 23. an annular wall; 24. a convex ring; 3. a liquid inlet pipe; 4. a liquid outlet pipe; 5. an elastomeric seal; 6. a protective box; 61. a thermal insulation cavity; 62. a second liquid outlet; 7. narrow throat.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
As shown in fig. 1 to 6, the condensed water seepage-proofing structure of the automobile evaporator comprises an evaporator shell, wherein the evaporator shell consists of an upper shell and a lower shell, in order to facilitate the assembly of a liquid inlet pipe 3 and a liquid outlet pipe 4 of the evaporator, a through hole 11 is arranged on the evaporator shell 1, and the through hole 11 is just positioned at the joint of the upper shell and the lower shell, so that the installation of an evaporator core body and the fixation of the liquid inlet pipe and the liquid outlet pipe are facilitated;
wherein, the through hole 11 is fixedly provided with a waterproof board 2, the waterproof board 2 is provided with a pair of through holes 21, the liquid inlet pipe 3 and the liquid outlet pipe 4 are respectively embedded in the through holes 21 of the waterproof board, and the liquid inlet pipe 3 and the liquid outlet pipe 4 are sleeved with an elastic sealing element 5, the elastic sealing element 5 and the inner side wall of the through hole 21 of the waterproof board 2 form interference fit; the elastic sealing element 5 adopts PVC/NBR sponge; PVC/NBR sponge is a mixed foaming material blended by rubber and plastic, NBR is the abbreviation of nitrile rubber, and PVC is the abbreviation of polyvinyl chloride; firstly, because the interior of the heat insulation plate is combined by a large number of independent closed bubbles and has low density, and the heat conductivity coefficient of a rubber material is low, the heat insulation plate has excellent heat insulation performance; secondly, the surface is skinned to ensure that the coating is effectively and thoroughly isolated from the outside air, so that moisture cannot permeate the coating, a steam barrier layer is not required to be added, the outer wall cannot be dewed, and the water absorption rate is low; thirdly, the shock absorption and sound absorption effects are good;
therefore, when the PVC/NBR sponge shock absorption device is used, the PVC/NBR sponge shock absorption device is sleeved on the liquid inlet pipe and the liquid outlet pipe of the evaporator and is in interference fit with the perforation of the waterproof plate, so that the flow direction of condensed water condensed on a pipeline is effectively blocked, and the situation that the condensed water flows out is blocked, and meanwhile, the vibration transmission of the engine compartment by the liquid inlet pipe and the liquid outlet pipe can be reduced;
furthermore, an embedding groove 22 is formed in the periphery of the waterproof plate 2, a rib plate 12 extends inwards from the through hole 11, and the rib plate 12 is embedded in the embedding groove 22 of the waterproof plate 2 during assembly; the size of the groove wall of the caulking groove 22 close to the outer side of the evaporator shell 1 is larger than that of the groove wall close to the inner side of the evaporator; when the evaporator is used, the caulking groove of the waterproof plate is in embedded transition fit with the upper shell and the lower shell of the evaporator shell, so that the effect of fixing the waterproof plate can be achieved on one hand, and the sealing performance between the waterproof plate and the through hole can be improved by using the structure of the groove wall of the waterproof plate, so that the flow direction of condensed water at the inner side of an evaporator pipeline after condensation is effectively blocked, the condensed water at the pipe orifice is blocked, and the flow direction of the condensed water to an evaporation fan is prevented;
furthermore, an annular wall 23 is arranged on the outer side end face of the through hole 21 in an outward extending mode, the inner diameter of the annular wall 23 is the same as that of the through hole 21, and the contact surface between the through hole and the elastic sealing element 5 is enlarged equivalently through the extending annular wall structure, so that the sealing effect is further improved; preferably, the inner side wall of the annular wall 23 and the inner side wall of the through hole 21 are respectively provided with a convex ring 24, the convex ring 24 is in close contact with the outer side surface of the elastic sealing element 5, and the interference effect of the convex ring and the elastic sealing element is utilized to further improve the additional sealing effect between the waterproof plate and the elastic sealing element;
although the technical scheme can effectively prevent the condensed water on one side in the evaporator shell from flowing out of the shell through the liquid inlet and outlet aluminum pipes, when the evaporator is used, the temperature of the evaporator is very low, the temperature of the evaporator shell is easily reduced after long-time use, the temperature in the cabin where the evaporator shell is located is high, the air near the evaporator shell is easily liquefied and attached to the evaporator shell, and the formed condensed water is easily introduced into the cockpit; therefore, even if the waterproof effect of the evaporator shell close to the liquid inlet and outlet aluminum pipe is good, the formation of condensed water outside the evaporator shell cannot be solved; therefore, in order to solve the problem, the evaporator shell 1 is covered with the protective box 6, the heat insulation cavity 61 is arranged between the protective box 6 and the evaporator shell 1, and the heat insulation cavity can effectively isolate the temperature difference between the external temperature of the evaporator shell and the external temperature of the protective box, prevent the formation of condensed water on the protective box, and avoid dripping at a cab to generate moisture and breeding mold;
further, a first liquid outlet 13 is arranged at the bottom of the evaporator shell 1, and a second liquid outlet 62 is arranged at the bottom of the protection box 6; condensed water in the evaporator shell 1 flows into the protective box through the first liquid outlet 13 and is discharged through the second liquid outlet 62 at the bottom of the protective box; because when the wind power of the evaporation fan passes through the surface of the evaporator rapidly, certain negative pressure can be generated in the shell of the evaporator, and the negative pressure can make the air pressure in the evaporator shell 1 smaller than the air pressure outside the shell, so that condensed water is not discharged smoothly, in order to solve the problem, a narrow throat 7 is arranged between the evaporator and the blower of the automobile air conditioner, negative pressure can be generated at the narrow throat according to the Venturi effect, and then the narrow throat 7 is respectively communicated with the side walls of the heat insulation cavity 61 and the second liquid outlet 62 of the protection box 6; and then make and produce the negative pressure respectively at heat insulation chamber and second liquid outlet, wherein, the negative pressure in the heat insulation chamber can balance the negative pressure in the evaporimeter casing, makes the negative pressure in the heat insulation chamber even be greater than the pressure in the evaporimeter casing, is favorable to discharging smoothly of the comdenstion water of evaporimeter casing like this, and in the same way, also makes the condensation who gets into in the heat insulation chamber discharge smoothly.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (7)
1. The utility model provides a condensed water seepage prevention structure of automobile evaporator which characterized in that: through-hole (11) on locating evaporator shell (1), through-hole (11) internal fixation is equipped with waterproof board (2), be equipped with a pair of perforation (21) on waterproof board (2), inlay feed liquor pipe (3) and drain pipe (4) that are equipped with the intercommunication evaporator in perforation (21) respectively, the cover is equipped with elastic sealing element (5) on feed liquor pipe (3) and drain pipe (4), elastic sealing element (5) and perforation (21) inboard wall of waterproof board (2) form interference fit.
2. A condensate water permeation preventing structure of an automobile evaporator according to claim 1, wherein: an embedding groove (22) is formed in the periphery of the waterproof plate (2), a rib plate (12) extends inwards from the through hole (11), and the rib plate (12) is embedded in the embedding groove (22) of the waterproof plate (2).
3. A condensate water permeation preventing structure of an automobile evaporator according to claim 2, wherein: the size of the groove wall of the caulking groove (22) close to one side of the outer part of the evaporator shell (1) is larger than that of the groove wall close to one side of the inner part of the evaporator.
4. A condensate water permeation preventing structure of an automobile evaporator according to claim 3, wherein: the outer side end of the through hole (21) extends outwards to form an annular wall (23), and the inner diameter of the annular wall (23) is the same as that of the through hole (21); the inner side wall of the annular wall (23) and the inner side wall of the through hole (21) are both provided with convex rings (24), and the convex rings (24) are in close contact with the outer side surface of the elastic sealing element (5).
5. The condensate water permeation preventing structure of an automobile evaporator according to any one of claims 1 to 4, wherein: the elastic sealing element (5) is made of PVC/NBR sponge.
6. A condensate water permeation preventing structure of an automobile evaporator according to claim 5, wherein: the evaporator shell (1) is covered with a protective box (6), and a heat insulation cavity (61) is arranged between the protective box (6) and the evaporator shell (1).
7. A condensate water permeation preventing structure of an automobile evaporator according to claim 6, wherein: the bottom of evaporimeter casing (1) is equipped with first liquid outlet (13), and the bottom of protective housing (6) is equipped with second liquid outlet (62), be equipped with narrow larynx (7) between evaporimeter and vehicle air conditioner's the air-blower, narrow larynx (7) communicate with the lateral wall in heat-insulating chamber (61) of protective housing (6) and second liquid outlet (62) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110894227.5A CN113602059B (en) | 2021-08-05 | 2021-08-05 | Condensed water seepage-proofing structure of automobile evaporator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110894227.5A CN113602059B (en) | 2021-08-05 | 2021-08-05 | Condensed water seepage-proofing structure of automobile evaporator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113602059A true CN113602059A (en) | 2021-11-05 |
| CN113602059B CN113602059B (en) | 2023-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110894227.5A Active CN113602059B (en) | 2021-08-05 | 2021-08-05 | Condensed water seepage-proofing structure of automobile evaporator |
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| Country | Link |
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| CN (1) | CN113602059B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114706279A (en) * | 2022-05-14 | 2022-07-05 | 东莞锐视光电科技有限公司 | LED light source for direct-write lithography |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070067523A (en) * | 2005-12-23 | 2007-06-28 | 한라공조주식회사 | Clamp of evaporator pipe for air conditioning system of vehicle |
| WO2011096225A1 (en) * | 2010-02-05 | 2011-08-11 | サンデン株式会社 | Air conditioning device for vehicle |
| CN202869087U (en) * | 2012-10-12 | 2013-04-10 | 新乡航空工业(集团)有限公司 | Onboard evaporator condensate water discharging structure |
| KR20140088304A (en) * | 2013-01-02 | 2014-07-10 | 한라비스테온공조 주식회사 | Water leakage prevention structure of evaporator air conditioner for vehicle |
| CN203753045U (en) * | 2013-12-19 | 2014-08-06 | 北汽福田汽车股份有限公司 | Elastic sealing gasket, sealing device and vehicle |
| KR20140112181A (en) * | 2013-03-13 | 2014-09-23 | 한라비스테온공조 주식회사 | Air conditioner for vehicle |
| CN206972912U (en) * | 2017-06-20 | 2018-02-06 | 法雷奥汽车空调湖北有限公司 | Seal assembly and the air conditioning for automobiles for including such seal assembly |
-
2021
- 2021-08-05 CN CN202110894227.5A patent/CN113602059B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20070067523A (en) * | 2005-12-23 | 2007-06-28 | 한라공조주식회사 | Clamp of evaporator pipe for air conditioning system of vehicle |
| WO2011096225A1 (en) * | 2010-02-05 | 2011-08-11 | サンデン株式会社 | Air conditioning device for vehicle |
| CN202869087U (en) * | 2012-10-12 | 2013-04-10 | 新乡航空工业(集团)有限公司 | Onboard evaporator condensate water discharging structure |
| KR20140088304A (en) * | 2013-01-02 | 2014-07-10 | 한라비스테온공조 주식회사 | Water leakage prevention structure of evaporator air conditioner for vehicle |
| KR20140112181A (en) * | 2013-03-13 | 2014-09-23 | 한라비스테온공조 주식회사 | Air conditioner for vehicle |
| CN203753045U (en) * | 2013-12-19 | 2014-08-06 | 北汽福田汽车股份有限公司 | Elastic sealing gasket, sealing device and vehicle |
| CN206972912U (en) * | 2017-06-20 | 2018-02-06 | 法雷奥汽车空调湖北有限公司 | Seal assembly and the air conditioning for automobiles for including such seal assembly |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114706279A (en) * | 2022-05-14 | 2022-07-05 | 东莞锐视光电科技有限公司 | LED light source for direct-write lithography |
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| Publication number | Publication date |
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| CN113602059B (en) | 2023-11-21 |
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