CN107310348A - A kind of built-in heat pipe passive cooling system of bottom of car - Google Patents
A kind of built-in heat pipe passive cooling system of bottom of car Download PDFInfo
- Publication number
- CN107310348A CN107310348A CN201710421360.2A CN201710421360A CN107310348A CN 107310348 A CN107310348 A CN 107310348A CN 201710421360 A CN201710421360 A CN 201710421360A CN 107310348 A CN107310348 A CN 107310348A
- Authority
- CN
- China
- Prior art keywords
- heat
- pipe
- built
- cooling system
- heat pipe
- 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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/04—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes with tubes having a capillary structure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
- F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
- F28D2021/0091—Radiators
- F28D2021/0092—Radiators with particular location on vehicle, e.g. under floor or on roof
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- General Engineering & Computer Science (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention discloses a kind of built-in heat pipe passive cooling system of bottom of car, including pulsating heat pipe, the pulsating heat pipe includes the evaporator section and the condensation segment above chassis armor positioned at Automobile seat back, is connected between the evaporator section and condensation segment by flexible conduit.Belong to automobile refrigeration system field, it can effectively reduce vehicle interior temperature in summer.
Description
Technical field
The present invention relates to automobile refrigeration system field, more particularly to a kind of built-in heat pipe passive cooling system of bottom of car
System.
Background technology
Summer outdoor temperature is higher, and when outdoor temperature reaches 35 DEG C, automobile irradiates 15 minutes under direct sunlight, closing
Temperature in compartment can be up to 65 DEG C, greatly affected the comfort level of motroist.In order to reduce vehicle interior temperature, vehicle startup
After must be turned on in-car air conditioner refrigerating pattern and continuous service 15 to 20 minutes, now vehicle interior temperature can be reduced to suitable people
The temperature that member takes, and the continuous service of on-board air conditioner then adds the fuel consumption of vehicle.Therefore, waste heat load in compartment is reduced
It is that solution summer interior temperature is too high, while reducing the effective way of vehicle oil consumption.
At present, the main path for reducing compartment internal-external temperature difference is to reduce the direct radiation of the sun, and major measure has dress patch too
Headstock direction etc. when anode membrane, simple sunshade measure, change parking spot and change parking.But above-mentioned measure effect of heat insulation is limited,
The heat having accumulated in compartment can not more be discharged, therefore vehicle interior temperature still can slowly rise, and at one section
Between after exceed personnel's preference temperature.
The content of the invention
It is an object of the invention to provide a kind of built-in heat pipe passive cooling system of bottom of car, it can be effective in summer
Reduce vehicle interior temperature.
The present invention above-mentioned technical purpose technical scheme is that：
A kind of built-in heat pipe passive cooling system of bottom of car, including pulsating heat pipe, the pulsating heat pipe include being located at automobile
The evaporator section of chair back and the condensation segment above chassis armor, flexible pipe is passed through between the evaporator section and condensation segment
Road is connected.
By such scheme, part working media is filled after being evacuated in pulsating heat pipe, because caliber is sufficiently small, pipe
It is interior to form bubble column and liquid column arranged for interval and in the state of random distribution.Evaporator section is located at Automobile seat back, working medium
Influenceed by high temperature in compartment, heat absorption produces bubble, and rapid expansion and boosting promote working medium to flow to cryogenic condensation section, condensation segment
It is located at underbody above the chassis armor, at this, is not affected by sun light direct beam, temperature is relatively low, bubble contract on cooling simultaneously ruptures,
Pressure declines, the pressure imbalance existed due to existing between evaporator section and condensation segment between pressure difference and adjacent pipe so that
Working medium Oscillation Flows between evaporator section and condensation segment, so as to realize the transmission of heat.Furthermore, lead between evaporator section and condensation segment
Cross flexible conduit connection so that the evaporator section positioned at Automobile seat back can be rotated with backrest.
The further setting of the present invention is that the evaporator section includes to be opened up in metal heat-conducting plate, the metal heat-conducting plate
Have and capillary brass pipe one is provided with snakelike embedded groove, the embedded groove, the metal heat-conducting plate is located at the one of capillary brass pipe one
Side is covered with heat insulation layer.
Thermally conductive gel is coated with the embedded groove.
By such scheme, metal heat-conducting plate have before good thermal conductivity can, also, be fixed on by thermally conductive gel embedding
Entering has benign contact between capillary brass pipe one and the metallic plate in groove, heat-conducting effect is improved, so that the heat in compartment
Amount can be better transmitted in the capillary brass pipe one of evaporator section.
The further setting of the present invention is that the condensation segment includes being provided with outside capillary brass pipe two, the capillary brass pipe two
Radiating fin, is connected between the capillary brass pipe two and capillary brass pipe one by flexible conduit.
Heat insulating board is provided with above the radiating fin.
Between the heat insulating board and radiating fin, thermal conductive silicon is filled between radiating fin and chassis armor
Glue.
The diameter of the capillary brass pipe one and capillary brass pipe two is between 0.5mm-3mm.
The flexible conduit is that corrugated tube shape section is provided with the middle part of capillary soft tube, the capillary soft tube.
The chassis armor is made up of iron, steel, aluminium or heat conductive rubber.
By such scheme, heat insulating board is used to reduce the heat exchange in condensation segment and compartment so that condensation segment is inhaled
The heat of receipts can be discharged outside compartment as far as possible.
In summary, the invention has the advantages that：
The system takes full advantage of pulsating heat pipe thermal conductivity factor greatly, and the characteristics of heat-transfer capability is strong can be effectively by compartment
Heat is transferred to outside chassis out of compartment, and interior temperature is maintained at into the level close with environment temperature.Therefore, this is
System being capable of the spontaneous heat efficiently exported in compartment, reduction vehicle interior temperature, the comfort level of raising personnel, prevention appearance in summer
The contingencies such as asphyxia occur because of high temperature when being locked on car for automobile high temperature spontaneous combustion, and personnel.In addition, reduction interior
Temperature, additionally it is possible to reduce the on-board air conditioner refrigerating operaton time, reduces vehicle fuel consumption, reaches the purpose of energy-conservation.
Brief description of the drawings
Fig. 1 is that the present embodiment is used to embody positional structure schematic diagram of the pulsating heat pipe in compartment；
Fig. 2 is the structural representation of pulsating heat pipe in the present embodiment.
In figure, 1, evaporator section；11st, capillary brass pipe one；12nd, metal heat-conducting plate；121st, embedded groove；13rd, heat insulation layer；2nd, condense
Section；21st, capillary brass pipe two；22nd, radiating fin；23rd, heat insulating board；3rd, capillary soft tube；4th, chassis armor.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The present invention provides a kind of built-in heat pipe passive cooling system of bottom of car, as illustrated in fig. 1 and 2, including pulsation heat
Pipe, the pulsating heat pipe includes 2 two parts of evaporator section 1 and condensation segment.
Evaporator section 1 includes one piece of metal heat-conducting plate 12 for being arranged on surface after motor vehicle seat back, in the metal heat-conducting plate
It is provided with 12 and is embedded with capillary brass pipe 1 in snakelike embedded groove 121, embedded groove 121 and is fixed by thermally conductive gel, from
And the benign contact between metal heat-conducting plate 12 and capillary brass pipe 1 is realized, the diameter of capillary brass pipe 1 is in 0.5mm-3mm
Between, then in one heat insulation layer 13 of outer bonding covering of embedded groove 121, heat insulation layer 13 can use aerogel blanket.
Condensation segment 2 includes being horizontally set on capillary brass pipe 2 21 on chassis armor 4, the diameter of capillary brass pipe 2 21 and
The diameter of capillary brass pipe 1 is identical, and the chassis armor 4 of the car is made of iron, steel, aluminium or heat conductive rubber material.Hair
Some radiating fins 22 are arranged with outside thin copper pipe 2 21, some radiating fins 22 are placed equidistant side by side, in the upper of radiating fin 22
Side is provided with heat insulating board 23.Between heat insulating board 23 and radiating fin 22, between radiating fin 22 and chassis armor 4
It is filled with heat conductive silica gel.
The capillary brass pipe 1 of evaporator section 1 is connected with the capillary brass pipe 2 21 of condensation segment 2, and fills in pipe working medium,
The loop of the closure for Working fluid flow is formed, working medium can use water, ethanol, propyl alcohol, acetone, the fluid working substance such as refrigerant.Due to
There is certain angle between capillary brass pipe 1 and capillary brass pipe 2 21, if directly capillary brass pipe bending is connected, can cause
Capillary brass pipe bending place is deformed upon, and causes area of section to reduce, so as to influence the stream of the vent plug and liquid plug inside capillary brass pipe
It is dynamic.Therefore, capillary brass pipe 1 and capillary brass pipe 2 21 are connected using capillary soft tube 3 of the middle part with corrugated tube shape section, even
The mode of connecing can using socket by the way of and fixed using glue.It can not only ensure that bending place is good using the connection of capillary soft tube 3
Circulation, while enabling evaporator section 1 to be rotated together with the backrest of automotive seat.
Specific implementation is described as follows：
In summer, automobile is caused automobile bodies internal temperature too high by direct sunlight, the capillary copper in Automobile seat back
The evaporator section 1 of the formation heat of pipe 1, heat is absorbed by metal heat-conducting plate 12 to be transmitted, temperature rise, and capillary brass pipe 1
The heat insulation layer 13 of outer covering can effectively reduce directing heat transfer for capillary brass pipe 1 and interior.Bottom of car is without sun
Light irradiation, and close to earth's surface, temperature is relatively low, the condensation segment of the formation low temperature of capillary brass pipe 2 21 on chassis armor 4
2。
Because the caliber of pulsating heat pipe is sufficiently small, working medium will be formed in pipe bubble column and liquid column arranged for interval and in
The state of machine distribution.In evaporator section 1, working medium heat absorption produces bubble, and rapid expansion and boosting promote working medium to flow to the condensation of low temperature
Section 2.The bubble cooling meat of condensation segment 2 simultaneously ruptures, pressure decline, due to exist between evaporator section 1 and condensation segment 2 pressure difference and
The pressure imbalance existed between adjacent pipe so that working medium Oscillation Flows between evaporator section 1 and condensation segment 2, so as to realize
The transmission of heat.
After heat transfer to condensation segment 2 in compartment, radiated by radiating fin 22, and transfer heat to outside compartment
Portion.Heat insulating board 23 is also provided with the top of radiating fin 22, the heat for reducing capillary brass pipe 2 21 and interior
Transmission so that the heat of condensation segment 2 maximized can be delivered to outside compartment.
It is due to the presence of capillary soft tube 3 so that the adjustable angle between capillary brass pipe 1 and capillary brass pipe 2 21, i.e., square
Motor vehicle seat back rotation, the flowing of pulsating heat pipe internal working medium is not interfered with again.
This specific embodiment is only explanation of the invention, and it is not limitation of the present invention, people in the art
Member can make the modification without creative contribution to the present embodiment as needed after this specification is read, but as long as at this
All protected in the right of invention by Patent Law.
Claims (9)
1. a kind of built-in heat pipe passive cooling system of bottom of car, it is characterised in that：Including pulsating heat pipe, the pulsating heat pipe
Including the condensation segment (2) positioned at the evaporator section of Automobile seat back (1) and above chassis armor (4), the evaporator section
(1) connected between condensation segment (2) by flexible conduit.
2. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 1, it is characterized in that：The evaporation
Section (1), which includes, offers snakelike embedded groove (121) on metal heat-conducting plate (12), the metal heat-conducting plate (12), described embedding
Enter and capillary brass pipe one (11) is provided with groove (121), the side that the metal heat-conducting plate (12) is located at capillary brass pipe one (11) is covered
It is stamped heat insulation layer (13).
3. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 2, it is characterized in that：The insertion
Thermally conductive gel is coated with groove (121).
4. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 2, it is characterized in that：The condensation
Section (2) includes being provided with radiating fin (22), the capillary brass pipe two outside capillary brass pipe two (21), the capillary brass pipe two (21)
(21) connected between capillary brass pipe one (11) by flexible conduit.
5. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 4, it is characterized in that：The radiating
Heat insulating board (23) is provided with above fin (22).
6. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 5, it is characterized in that：It is described heat-insulated
Between warming plate (23) and radiating fin (22), heat conductive silica gel is filled between radiating fin (22) and chassis armor (4).
7. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 4, it is characterized in that：The capillary
Copper pipe one (11) and the diameter of capillary brass pipe two (21) are between 0.5mm-3mm.
8. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 1, it is characterized in that：The flexibility
Pipeline is capillary soft tube（3）, the capillary soft tube（3）Middle part be provided with corrugated tube shape section.
9. the built-in heat pipe passive cooling system of a kind of bottom of car according to claim 1, it is characterized in that：The underbody
Disk armor (4) is made up of iron, steel, aluminium or heat conductive rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421360.2A CN107310348A (en) | 2017-06-07 | 2017-06-07 | A kind of built-in heat pipe passive cooling system of bottom of car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421360.2A CN107310348A (en) | 2017-06-07 | 2017-06-07 | A kind of built-in heat pipe passive cooling system of bottom of car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107310348A true CN107310348A (en) | 2017-11-03 |
Family
ID=60183967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710421360.2A Pending CN107310348A (en) | 2017-06-07 | 2017-06-07 | A kind of built-in heat pipe passive cooling system of bottom of car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107310348A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528166A (en) * | 2018-03-19 | 2018-09-14 | 河南城建学院 | A kind of automotive interior cooling system |
| CN109346794A (en) * | 2018-08-15 | 2019-02-15 | 江苏大学 | A kind of lithium battery module based on pulsating heat pipe cooling |
| CN114427797A (en) * | 2022-03-08 | 2022-05-03 | 大连海事大学 | Pulsating heat pipe with variable heat insulation section |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200968795Y (en) * | 2006-10-31 | 2007-10-31 | 中南大学 | Heat pipe radiator |
| CN202181945U (en) * | 2011-08-31 | 2012-04-04 | 山东天力干燥股份有限公司 | Pipe-belt type impulse heat pipe automobile engine cooling water tank |
| CN102620587A (en) * | 2012-04-27 | 2012-08-01 | 东南大学 | Tube shell type pulsating heat pipe heat exchanger |
| CN103148722A (en) * | 2013-03-28 | 2013-06-12 | 山东科院天力节能工程有限公司 | Parallel flow pulsation heat tube |
| CN104197760A (en) * | 2014-08-15 | 2014-12-10 | 东华大学 | Pipeline type pulse heat pipe heat exchanger |
| CN106440899A (en) * | 2016-11-25 | 2017-02-22 | 江苏大学 | Flexible pulsating heat tube device |
-
2017
- 2017-06-07 CN CN201710421360.2A patent/CN107310348A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200968795Y (en) * | 2006-10-31 | 2007-10-31 | 中南大学 | Heat pipe radiator |
| CN202181945U (en) * | 2011-08-31 | 2012-04-04 | 山东天力干燥股份有限公司 | Pipe-belt type impulse heat pipe automobile engine cooling water tank |
| CN102620587A (en) * | 2012-04-27 | 2012-08-01 | 东南大学 | Tube shell type pulsating heat pipe heat exchanger |
| CN103148722A (en) * | 2013-03-28 | 2013-06-12 | 山东科院天力节能工程有限公司 | Parallel flow pulsation heat tube |
| CN104197760A (en) * | 2014-08-15 | 2014-12-10 | 东华大学 | Pipeline type pulse heat pipe heat exchanger |
| CN106440899A (en) * | 2016-11-25 | 2017-02-22 | 江苏大学 | Flexible pulsating heat tube device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108528166A (en) * | 2018-03-19 | 2018-09-14 | 河南城建学院 | A kind of automotive interior cooling system |
| CN108528166B (en) * | 2018-03-19 | 2023-11-24 | 河南城建学院 | Automobile interior cooling system |
| CN109346794A (en) * | 2018-08-15 | 2019-02-15 | 江苏大学 | A kind of lithium battery module based on pulsating heat pipe cooling |
| CN114427797A (en) * | 2022-03-08 | 2022-05-03 | 大连海事大学 | Pulsating heat pipe with variable heat insulation section |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |
|
| RJ01 | Rejection of invention patent application after publication |