CN107000539A - Vehicular air-conditioning unit - Google Patents

Vehicular air-conditioning unit Download PDF

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Publication number
CN107000539A
CN107000539A CN201580065497.8A CN201580065497A CN107000539A CN 107000539 A CN107000539 A CN 107000539A CN 201580065497 A CN201580065497 A CN 201580065497A CN 107000539 A CN107000539 A CN 107000539A
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CN
China
Prior art keywords
air
heater
guide member
face
flue
Prior art date
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Granted
Application number
CN201580065497.8A
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Chinese (zh)
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CN107000539B (en
Inventor
久户辰朗
小林亮
川崎步美
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Denso Corp
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Denso Corp
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Publication date
Application filed by Denso Corp filed Critical Denso Corp
Publication of CN107000539A publication Critical patent/CN107000539A/en
Application granted granted Critical
Publication of CN107000539B publication Critical patent/CN107000539B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60HARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00Heating, cooling or ventilating [HVAC] devices

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  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Conditioning For Vehicles (AREA)

Abstract

In Vehicular air-conditioning unit, the first guide member (30) of tabular and the second guide member (31) of tabular are provided with the way of covering air and flow into the part of face (151a) in the air stream upstream side of heater (15).The air for suppressing in hot blast path (18) by air mix door (14) to have passed through evaporator (13) (that is, when maximum is freezed) during by fully closed state by the first guide member (30) and the second guide member (31) enters hot blast path (18) side etc..Thereby, it is possible to reduce the reheating carried out by heater with simple construction.

Description

Vehicular air-conditioning unit
Association request it is cross-referenced
The application based in Japanese patent application filed in 5 days December in 2014 2014-246954, by referring to The disclosure is incorporated into the application.
Technical field
The present invention relates to the construction for the Vehicular air-conditioning unit for blowing out the air after air adjustment into car room.
Background technology
This Vehicular air-conditioning unit has heat-up heat exchanger of the configuration in air-conditioner housing, by adjusting to heating The ratio of the ratio of the air flowed with heat exchanger and the air flowed round in heat-up heat exchanger, so as to car The blow out air blown out with air-conditioning unit carries out temperature adjustment.Now, for example it is excellent in maximum refrigeration (during MAXCOOL) Select blow out air not to be heated to be blown out with heating with heat exchanger, but be difficult air is not heated completely in air-conditioner housing Flowed round in heat-up heat exchanger with the hot influence of heat exchanger.That is, in Vehicular air-conditioning unit, cold wind It is heated and is reheated with the heat of heat exchanger.
For example along with the miniaturization of Vehicular air-conditioning unit by the heat exchanger for cooling in air-conditioner housing and heating Closely configured with heat exchanger, therefore it is critically important to reduce the technology of the reheating carried out by the heat-up heat exchanger. Also, the technology of the various reduction reheatings was proposed in the past, as one of technology, was included in such as patent document 1 The Vehicular air-conditioning unit of record.
The Vehicular air-conditioning unit of the patent document 1 has:Air-conditioner housing;Heat-up heat exchanger;With axle center part, door Portion and the revolving door of support;And the reheating being connected via articulated section with the revolving door prevents door.Also, the reheating Prevent that door is arranged at the air stream upstream side of heat-up heat exchanger, the reheating prevent door along with the rotation of revolving door Shifted between the position and fully closed position that make the air flue standard-sized sheet of air flowed to heat-up heat exchanger.
Also, it is also known that following Vehicular air-conditioning unit:By configuring in the hot water path of heat-up heat exchanger The water valve of midway controls the flow of hot water flowed in hot water path.
Prior art literature
Patent document 1:Japanese Unexamined Patent Publication 2006-103664 publications
However, according to the research of the inventors of the present invention, although the Vehicular air-conditioning unit of above-mentioned patent document 1 can The reheating carried out by heat-up heat exchanger is reduced, but prevents door so it is necessary to have reheating to reduce the reheating Movable agency, existing makes Vehicular air-conditioning unit turn into the problem of complicated construction is such.
On the other hand, on being configured with the Vehicular air-conditioning list of water valve in the hot water path of heat-up heat exchanger midway Member, is closed hot water path by water valve in maximum refrigeration and stops hot water circuit, handed over thus, it is possible to reduce by heating heat The reheating that parallel operation is carried out, but in order to reduce the reheating it is necessary to have water valve, existing makes Vehicular air-conditioning unit turn into complexity Construction it is such the problem of.
The content of the invention
The present invention be in view of above-mentioned point and complete, it is intended that with it is simple construction carried out to reduce by heater Reheating.
The Vehicular air-conditioning unit of the mode of the present invention has:Air-conditioner housing, it is empty that the air-conditioner housing is formed with first Gas path, the second air flue and the 3rd air flue, wherein, first air flue supplies air circulation, second air Path is connected with the first air flue, and air flows into the second air flue, the 3rd air flue and the from the first air flue Two air flues are connected with the first air flue side by side, and air flows into the 3rd air flue from the first air flue, and should 3rd air flue and the second air flue collaborate in air stream downstream;Heater, the heater configuration is logical in the 3rd air Road, the heater air for entering face with the heater air flowed into for air and being flowed out for air is appeared, and to the 3rd The air flowed in air flue is heated;Opening and closing device, the opening and closing device be configured at heater air stream upstream side and Side in air stream downstream, and the 3rd air flue is opened and closed;And the guide member of tabular, the guiding of the tabular Part is configured at the opposite side in the air stream upstream side and air stream downstream of heater, and suppression passes through in the 3rd air flue The air flowed during the pent state of opening and closing device from the first air flue to the second air flue enters the 3rd air flue Side.
Thus, in the state for being closed the 3rd air flue by opening and closing device, due to the guide member using tabular Suppress air and enter the 3rd air flue side, therefore, it is possible to reduce the reheating carried out by heater with simple construction.
Brief description of the drawings
Fig. 1 is the longitudinal section of the Vehicular air-conditioning unit of first embodiment.
Fig. 2 is the longitudinal section after being amplified to a part for Fig. 1 Vehicular air-conditioning unit.
Fig. 3 is the longitudinal section of the Vehicular air-conditioning unit of comparative example.
Fig. 4 is the longitudinal section of the Vehicular air-conditioning unit of second embodiment.
Fig. 5 is Fig. 4 V-V sectional views.
Fig. 6 is the sectional view of a part for the Vehicular air-conditioning unit of comparative example.
Embodiment
Hereinafter, embodiments of the present invention are illustrated with reference to the accompanying drawings.In addition, following each embodiment each other it Between, same-sign is marked to mutually the same or equivalent part in figure.
(first embodiment)
Fig. 1 is that the vehicle with kind of refrigeration cycle that the compressor and capacitor of composition by being disposed in engine room etc. is constituted is used Vehicular air-conditioning unit 10 in the indoor unit portion of a part for air-conditioning device, storing heat exchanger portion is (hreinafter referred to as Air-conditioning unit 10) longitudinal section.In addition, Fig. 1 each arrow DR1, DR2 represent to be equipped on air-conditioning unit 10 into the vehicle of vehicle Direction under carrying state.That is, the two ends arrow DR1 of Fig. 1 represents that vehicle fore-and-aft direction DR1, two ends arrow DR2 are represented on vehicle Lower direction DR2.
It is wide that left and right vehicle wheel direction i.e. vehicle is configured on the inside of the instrument board (not shown) anterior in car room of air-conditioning unit 10 Spend the substantially central portion in direction.The above-mentioned indoor unit portion of air conditioner for vehicles is roughly divided into the air-conditioning unit 10 shown in Fig. 1 With the pressure fan unit (not shown) of the lateral copilot side offset configuration in instrument board.
It is well known that the pressure fan unit has:To the outer gas as car outdoor air or it is used as car room air Interior gas switches over the inside and outside gas a-b box of importing;And to centrifugation that the air for importeding into the inside and outside gas a-b box is blowed Formula pressure fan.Make the pressure fan unit wind pushing air flow into the air-conditioner housing 11 of the air-conditioning unit 10 shown in Fig. 1 most before The air inflow space 12 in portion.
As shown in Figure 1 and Figure 2, air-conditioning unit 10 has:Air-conditioner housing 11, evaporator 13, air mix door 14, heater Core 15 and blowout mode door 25 etc..Air-conditioner housing 11 constitutes the path of the air towards car indoor moveable, to evaporator 13, sky Gas combination gates 14, heater core 15 and blowout mode door 25 are stored.
Air-conditioner housing 11 is as resin shape excellent in elasticity and mechanical strength with certain degree as polypropylene Into.For the demoulding in formation convenience and air-conditioning equipment in assembling in air-conditioner housing 11 the reasons why etc., air-conditioning shell Body 11 uses following structure:Specifically be divided into multiple segmentation housings and after being formed, by the plurality of segmentation housing one Link body.That is, air-conditioner housing 11 makes multiple shell structure parts 111 be integrally formed and constitute.
Also, be formed with air-conditioner housing 11 flowed from air inflow space 12 for air multiple air flues 16, 17、18.Specifically, upstream side path 16 as the first air flue is formed with air-conditioner housing 11, it is empty as second The cold air passage 17 and the hot blast path 18 as the 3rd air flue of gas path.Upstream side path 16 is logical relative to cold wind Road 17 and hot blast path 18 are configured at air stream upstream side, are flowed into for the air from air inflow space 12.
Cold air passage 17 is for making the cold wind as the air that have passed through upstream side path 16 flow with keeping cooling Air flue, is connected with upstream side path 16.The air that have passed through the upstream side path 16 leads to from upstream side path 16 to cold wind Road 17 is flowed into.
Hot blast path 18 is the air flue for being heated to the air that have passed through upstream side path 16, logical with cold wind Road 17 is connected with upstream side path 16 side by side.The air of upstream side path 16 be have passed through from upstream side path 16 to hot blast path 18 flow into.Also, hot blast path 18 collaborates with cold air passage 17 in air stream downstream.
As known, in evaporator 13, after the decompression of the decompressors such as the expansion valve of vehicle air conditioning kind of refrigeration cycle Low pressure refrigerant flow into, the low pressure refrigerant from wind pushing air absorb heat and evaporate, thus the air through evaporator 13 is entered Row cooling.Also, evaporator 13 is configured at upstream side path 16.That is, evaporator 13 is as to flowing in upstream side path 16 The cooler function that wind pushing air is cooled down, air is configured at relative to both cold air passage 17 and hot blast path 18 Flow upstream side.
Evaporator 13 has the cooler core 131 for the rectangular-shape for being cooled down and being passed through for air to air, and this is cold But device core 131 is with the rectangular-shaped cooler air inflow face 131a flowed into for air and for the rectangular-shaped of air outflow Cooler air effluent face 131b.
Evaporator 13 is arranged at the rear portion of air inflow space 12, the evaporation in the air-conditioner housing 11 of air-conditioning unit 10 The longitudinal direction of device 13 is configured to cooler air and flows into face 131a and cooler air effluent face 131b in vehicle above-below direction DR2 and car Width (that is, the direction vertical with vehicle above-below direction DR2 with vehicle fore-and-aft direction DR1.Hung down with Fig. 1, Fig. 2 drawing Straight direction) on extend.
As known, heater core 15 is using the hot water of the engine cooling water as vehicle motor as thermal source to sky Gas is heated.That is, heater core 15 be to being cooled down by evaporator 13 after the heater of hot-water type that is heated of air.Change Yan Zhi, heater core 15 is configured at hot blast path 18, and the air flowed in the hot blast path 18 is heated.
Heater core 15 has the heater cores 151 for the rectangular-shape for being heated and being passed through for air to air, There is the heater cores 151 the rectangular-shaped heater air flowed into for air to enter face 151a and the rectangle flowed out for air The heater air of shape is appeared 151b.Also, the longitudinal direction of heater core 15 is configured to its heater air and enters face 151a and add Hot device air effluent face 151b extends on vehicle above-below direction DR2 and vehicle-width direction.
More specifically, evaporator 13 and heater core 15 are configured to cooler air effluent face 131b and heater air Inflow face 151a is in parastate, and region and the heater of the lower side being configured in cooler air effluent face 131b It is relative that air flows into face 151a.In addition, including the error that " parallel " mentioned here allows when being comprising actual use substantially It is parallel.
Air mix door 14 is the rotation rotated centered on the door-hinge heart extended to vehicle-width direction as arrow MV1 Rotatable door, such as the rotation by actuator.Also, air mix door 14 is configured at air stream downstream relative to heater core 15 Side.
Specifically, air mix door 14 makes the opening of cold air passage 17 according to the turned position of the air mix door 14 Degree increases and decreases and increases and decreases the degree of opening of hot blast path 18.That is, 14 pairs of air mix door is logical in cold wind as arrow a1 The air quantity ratio of the air quantity of the air quantity of the air flowed in road 17 and the air flowed as arrow a2 in hot blast path 18 It is adjusted, so as to be adjusted to the blow out air temperature into car room.
Specifically, air mix door 14 is from making cold air passage 17 be that on the other hand full-gear makes the hot blast path 18 be The maximum refrigeration position of full-shut position is MAXCOOL positions until making cold air passage 17 be that on the other hand full-shut position leads to hot blast Road 18 is rotated in the range of being heated for the maximum of full-gear untill position i.e. MAXHOT positions.Therefore, air mix door 14 is made For the opening and closing device function that hot blast path 18 is opened and closed in the air stream downstream of heater core 15, and also conduct The opening and closing device function that cold air passage 17 is opened and closed.The air positioned at maximum refrigeration position is illustrated in Fig. 1 to mix Close door 14.
Vehicle front side opening during opening portion 20 defrost above the air-conditioner housing 11, facial opening portion 21 exists The rear view of vehicle side opening of defrosting opening portion 20 in above air-conditioner housing 11.Also, foot opening portion 22 is relative The position of rear view of vehicle side is arranged in facial opening portion 21.
Defrosting opening portion 20 is the sky for making the air from cold air passage 17 and hot blast path 18 mutually collaborate The opening portion for adjusting air to be blown out towards vehicle front screen inner surface.Facial opening portion 21 is to be used to multiply Air Conditioning direction The opening portion of the cephalothorax blowout of member.Also, foot opening portion 22 is for making the Air Conditioning towards the occupant in car room The opening portion of pin edge blowout.
Blowout mode door 25 is to be rotated centered on the door-hinge heart shared with air mix door 14 as arrow MV2 Rotary door, is rotated such as the actuator by servomotor.Also, blow out the turning according to the blowout mode door 25 of mode door 25 Move position and optionally defrosting opening portion 20, facial opening portion 21 and foot opening portion 22 are opened and closed.In addition, blowout mould Formula door 25 separates work with air mix door 14.
Blowing out mode door 25 can defrost blow-off outlet pattern switching into facial model, Bi-level mode, foot's pattern, foot Arbitrary patterns in pattern or defrosting mode.In fig. 1 it is illustrated that blowout mode door when going out blow-off outlet pattern for facial model 25。
As noted previously, as hot blast path 18 is opened and closed in the air stream downstream of heater core 15 by air mix door 14, Therefore remained out in hot blast path 18 as the air stream upstream side with the heater core 15 of the opening and closing side opposite side Put.
Also, in the present embodiment, enter face in the air stream upstream side of heater core 15 to cover heater air The mode of a 151a part is configured with the first guide member 30 of tabular and the second guide member 31 of tabular.In addition, first The guide member 31 of guide member 30 and second constitutes the guide member of the present invention.
More specifically, the first guide member 30 be configured to cover heater air enter it is logical close to cold wind in the 151a of face The vehicle-width direction whole region at the position of the side of road 17.Second guide member 31 is configured to covering heater air and enters face The vehicle-width direction whole region at the position of the side of remote cold air passage 17 in 151a.
Heater air enters the position not covered by the first guide member 30 and the second guide member 31 in the 151a of face Aperture area S1 be more than hot blast path 18 in ratio heater core 15 by air stream downstream position minimum path area S2。
First guide member 30 is integrally formed with air-conditioner housing 11.Also, when being observed along vehicle-width direction, first Guide member 30 is towards the side of evaporator 13 in the arc-shaped protruded.That is, the end of the first guide member 30 is with empty away from heater The mode that gas flows into face 151a is gently bent towards the front (side of evaporator 13) of vehicle.
Enter the gap between the 151a of face on the first guide member 30 and heater air, close to the second guide member 31 Gap of the gap-ratio of side away from the side of the second guide member 31 is big.First guide member 30 and heater air enter face 151a it Between gap become big to the front end of the end of the first guide member 30.
Second guide member 31 is integrally formed with air-conditioner housing 11.Also, the second guide member 31 turns into empty with heater Gas flows into the parallel flat boards of face 151a.
The end 301 of the side of the second guide member 31 in first guide member 30 and heater air enter face 151a away from Enter from L1 than the end 311 of the side of the first guide member 30 in the second guide member 31 with heater air with a distance from the 151a of face L2 is short.
Here, according to Fig. 3, to the air-conditioning unit of the comparative example without the first guide member 30 and the second guide member 31 In reheating generation mechanism illustrate.
When by air mix door 14 by the fully closed state of hot blast path 18 when refrigeration (that is, maximum), as through steaming The air for sending out the cold wind of device 13 flows as shown in arrow a3 to cold air passage 17.Now, the air blown out from evaporator 13 A part can enter the side of hot blast path 18 and flow and be heated in the way of entering face 151a by heater air.
Also, from evaporator 13 blow out air a part as shown in arrow a5 in heater cores 151 from Heater air enters after face 151a appears 151b flowings towards heater air, from heating in the heater cores 151 Device air effluent face 151b enters face 151a flowings towards heater air and is heated, and the air after the heating to cold wind with leading to The main flow that road 17 is flowed is collaborated and flowed to cold air passage 17.
Thus, air is easily reheated by heater core 151 in Fig. 3 comparative example.
On the other hand, in the present embodiment, suppress passing through by the first guide member 30 and the second guide member 31 Air mix door 14 makes the air that have passed through evaporator 13 during the fully closed state of hot blast path 18 enter side of hot blast path 18 etc., and Reduce the reheating carried out by heater core 15.
Specifically, the air and the second guide member 31 that have passed through evaporator 13 are collided and changed to the side of cold air passage 17 The direction of flowing, suppresses to enter to the side of hot blast path 18.
Also, in the case of with the first guide member 30 and the second guide member 31, into the side of hot blast path 18 A part for air turns into the recycle stream flowed in heater cores 151, recycle stream a4 sky as shown in arrow a4 Gas can be also heated.By the way, recycle stream a4 is the main flow for being blown out and being flowed to cold air passage 17 from evaporator 13 Viscous drive and produce.
Although carrying out heat exchange because of recycle stream a4 contacts with the main flow flowed to cold air passage 17, with the past that Sample heated from heater cores 151 after air with flowed to cold air passage 17 main flow interflow situation compared with, because of recycle stream Contacts of the a4 with main flow and the degree of the reheating of the situation of heat exchange that produces is smaller.
Also, they interact and reduce the reheating that is carried out by heater core 15.By the way, prepare have first The air-conditioning unit 10 of the guide member 31 of guide member 30 and second and without the first guide member 30 and the second guide member 31 air-conditioning unit, the blow out air temperature when actually measuring the fully closed state of hot blast path 18 by air mix door 14 After degree, on the ascending amount of the blow out air temperature caused by reheating, confirm that there is the first guide member 30 and second The air-conditioning unit 10 of guide member 31 is lower by 1.5 than the air-conditioning unit without the first guide member 30 and the second guide member 31 ℃。
Also, with the minimum path area S2 phases at the position in the air stream downstream of the heater core 15 in hot blast path 18 Than making heater air enter opening for the position not covered by the first guide member 30 and the second guide member 31 in the 151a of face Open area S1 is larger, and (that is, maximum is heated during therefore, it is possible to prevent the state of the standard-sized sheet of hot blast path 18 by air mix door 14 When) flowing resistance increase.
Also, when being observed along vehicle-width direction, the first guide member 30 is used what is protruded to the side of evaporator 13 Arc-shaped, therefore, it is possible to prevent from blowing out from evaporator 13 and pass through the first guide member 30 attached to the main flow of the flowing of cold air passage 17 Flowing resistance increase when near.
Also, enter the gap between the 151a of face on the first guide member 30 and heater air, make to draw close to second Gap of the gap-ratio away from the side of the second guide member 31 for leading the side of part 31 is big, therefore leads to hot blast by air mix door 14 Road 18 open state when, can make air successfully flow into heater air enter in the 151a of face by the first guide member 30 The position of covering.
Also, the end 301 and heater air for making the side of the second guide member 31 in the first guide member 30 enter face The 151a end 311 apart from L1 than the side of the first guide member 30 in the second guide member 31 enters face with heater air 151a's is short apart from L2.Therefore, when by air mix door 14 by the fully closed state of hot blast path 18, with the second guide member 31 air for colliding and changing to the side of cold air passage 17 after the direction flowed easily propagate through the evaporator 13 of the first guide member 30 The space of side, it is not easy to which the heater air for flowing into the first guide member 30 enters the space of face 151a sides.
, can be to set the first guide member 30 and the second guide member 31 so as described above, according to present embodiment Simple construction reduce the reheating carried out by heater core 15.
(second embodiment)
Second embodiment of the present invention is illustrated.Hereinafter, the main pair of part different from first embodiment is entered Row explanation.
In addition, Fig. 4,5 each arrow DR1, DR2, DR3 represent to be equipped on air-conditioning unit 10 into the vehicle boarded state of vehicle Under direction.Wherein, Fig. 5 two ends arrow DR3 represents left and right vehicle wheel direction (i.e. vehicle-width direction) DR3.Also, Fig. 6 tables Show the air-conditioning unit of comparative example, be the figure suitable with Fig. 5 of second embodiment.
As shown in Figure 4,5, in the present embodiment, the configuration of heater core 15 is different from first embodiment.It is specific and Speech, the heater core 15 of first embodiment configures for longitudinal direction, but the landscape configuration of heater core 15 of present embodiment adds for it Hot device air flows into face 151a and heater air is appeared, and 151b two-dimensionally extends to the horizontal direction of vehicle.
More specifically, evaporator 13 and heater core 15 are configured to cooler air effluent face 131b and heater air Inflow face 151a is in plumbness.In addition, including the error that " vertical " mentioned here allows when being comprising actual use It is substantially vertical.
Also, heater air enters face 151a positioned at lower section, the heater air 151b that appears is above, in heating Device air flow between the bottom interior wall face of face 151a and air-conditioner housing 11 be formed with as a part of hot blast path 18 plus Hot device air flows into path 181.Also, in the state for being opened hot blast path 18 by air mix door 14, make from evaporation The air that device 13 is blown out enters path 181 by heater air and flows into heater cores 151.In addition, air-conditioner housing 11 Bottom interior wall face equivalent in the air-conditioner housing of the present invention with the heater air position that to enter face relative.
Heater cores 151 be laminated it is multiple make hot water circulate pipes 152 and constitute, the length direction of pipe 152 with Vehicle fore-and-aft direction DR1 is consistent.
Enter path 181 in the heater air for being located at air stream upstream side relative to heater core 15 to be configured with and will heat Device air flows into the guide member 32 that path 181 is divided into multiple tabulars.
Guide member 32 is integrally formed with air-conditioner housing 11, is extended from the bottom interior wall of air-conditioner housing 11 facing to top, And extend on vehicle fore-and-aft direction DR1.
Guide member 32 is provided with two in the present embodiment, thus, and heater air enters path 181 and is divided into Three spaces.
When being observed along vehicle above-below direction DR2, in other words entering face 151a and heater along heater air During air effluent face 151b orientation observation, guide member 32 is configured at the position overlapping with the pipe 152 of heater cores 151 Put.That is, on vehicle above-below direction DR2, a part for guide member 32 and the pipe 152 of heater cores 151 is arranged.
Here, according to Fig. 6, the reheating generation mechanism in the air-conditioning unit of the comparative example without guide member 32 is entered Row explanation.
When by air mix door by hot blast path fully closed state, as shown in fig. 6, as through the cold of evaporator 13 The air of wind flows to cold air passage 17, and is partly into heater air and enters path 181.
Enter the air of path 181 as shown in Fig. 6 arrow a7 because of the downstream of evaporator 13 into heater air Pressure differential and enter to turn into U-shaped stream in path 181 in heater air.Also, the air of the U-shaped stream can be to pass through heater The mode that air flows into face 151a flows and is heated.
On the other hand, in the present embodiment, when by air mix door 14 by the fully closed state of hot blast path 18, enter Enter heater air enter the air of path 181 as shown in Fig. 5 arrow a6 marked off by guide member 32 each Heater air, which enters, turns into U-shaped stream in path 181.
So, each heater air marked off enters path 181 relative to U-shaped stream, and flowing resistance is larger, therefore suppression The U-shaped stream of system, suppresses air and enters path 181 into heater air.Its result is that the total air capacity of U-shaped stream is than conventional The air capacity of U-shaped stream in air-conditioning unit is few, and the heat that the air of U-shaped stream is obtained from the surface of heater cores 151 is reduced, reduction by The reheating that heater core 15 is carried out.
By the way, the air-conditioning unit 10 with guide member 32 and the air-conditioning unit without guide member 32 are prepared, After blow out air temperature when actually measuring the fully closed state of hot blast path 18 by air mix door 14, on by The ascending amount of blow out air temperature caused by reheating, confirms the air-conditioning unit 10 with guide member 32 than without guiding Low 0.5 DEG C or so of the air-conditioning unit of part 32.
Also, when being observed along vehicle above-below direction DR2, guide member 32 is configured at and heater cores 151 The overlapping position of pipe 152, therefore (that is, maximum is heated during for by air mix door 14 by the state of the standard-sized sheet of hot blast path 18 When) air stream, guide member 32 will not turn into flowing resistance.
As described above, according to present embodiment, can be reduced with setting simple construction as guide member 32 by Reheated caused by heater core 15.
(other embodiments)
(1) in above-mentioned each embodiment, although air mix door 14 is in the air stream downstream pair of heater core 15 Hot blast path 18 is opened and closed, but it is also possible on the contrary, being opened in the air stream upstream side of heater core 15 hot blast path 18 Close.But, in the case that hot blast path 18 is opened and closed in the air stream upstream side of heater core 15, the first guide member 30, Second guide member 31 and guide member 32 are arranged at the air stream downstream of heater core 15.In a word, as long as air mix door Hot blast path 18 is opened and closed 14 side in the air stream upstream side and air stream downstream of heater core 15, with this phase Companion, the first guide member 30, the second guide member 31 and guide member 32 be arranged at heater core 15 air stream upstream side and The opposing party in air stream downstream.
(2) in above-mentioned each embodiment, although air-conditioner housing 11 is to be integrally formed multiple shell structure parts 111 And constitute, but it is also possible to it is made up of single shell structure part 111.
(3) in above-mentioned each embodiment, although the first guide member 30, the second guide member 31 and guide member 32 It is integrally formed with air-conditioner housing 11, but the first guide member 30, the second guide member 31 and guide member 32 can also be relative Engaged after air-conditioner housing 11 individually processing with air-conditioner housing 11.
(4) in above-mentioned each embodiment, although air mix door 14 hot blast path 18 is opened and closed and also right Cold air passage 17 is opened and closed, but it is also possible to without the function that cold air passage 17 is opened and closed.For example, it is also possible to using with Cold air passage 17 is opened and closed the different opening and closing device of air mix door 14.
(5) in above-mentioned each embodiment, although air mix door 14 and blowout mode door 25 be all rotary door, but It is not limited to this form.Such as air mix door 14 and blowout mode door 25 can also be the doors of writing board shape.
In addition, the invention is not restricted to above-mentioned embodiment, in scope that can be described in the scope of claim Suitably changed.Also, the respective embodiments described above are not to be independent of each other, except the situation that is specifically identified to combine it Outside, can be appropriately combined.
In addition, in the respective embodiments described above, except being especially explicitly indicated as necessary information and be considered as being evident as in principle Necessary information etc. is outer, and differing from the key element for needless to say, constituting embodiment, it is required to be set to.
In addition, in the respective embodiments described above, in the number for the structural element for mentioning embodiment, numerical value, amount, scope etc. During numerical value, except being especially explicitly indicated as in necessary information and principle in addition to obvious situation for being defined as specifically counting etc., do not limit In its specific number.
In addition, in the respective embodiments described above, when mentioning material, shape, position relationship of structural element etc. etc., except spy Situation of specific material, shape, position relationship etc. etc. is defined as in the situation and principle do not expressed outer, is not limited to it Material, shape, position relationship etc..

Claims (9)

1. a kind of Vehicular air-conditioning unit, it is characterised in that have:
Air-conditioner housing (11), the air-conditioner housing (11) is formed with the first air flue (16), the second air flue (17) and Three air flues (18), wherein, first air flue (16) supplies air circulation, second air flue (17) and described first Air flue is connected, and the air flows into second air flue (17), the 3rd air flue from first air flue (18) it is connected side by side with first air flue with second air flue, the air is from first air flue The 3rd air flue (18) is flowed into, and the 3rd air flue (18) and second air flue are in air stream downstream Interflow;
Heater (15), the heater (15) is configured at the 3rd air flue, with the heater flowed into for the air The heater air that air flows into face (151a) and flowed out for the air appears (151b), and to logical in the 3rd air The air flowed in road is heated;
Opening and closing device (14), the opening and closing device (14) is configured in the air stream upstream side and air stream downstream of the heater Side, and the 3rd air flue is opened and closed;And
The guide member (30,31,32) of tabular, the guide member (30,31,32) is configured at the air stream upstream of the heater Opposite side in side and air stream downstream, suppresses when the 3rd air flue is closed by the opening and closing device from institute State the air that the first air flue flowed to second air flue and enter the 3rd air flue side.
2. Vehicular air-conditioning unit according to claim 1, it is characterised in that
With cooler (13), the cooler (13) is configured at first air flue, with for the cold of air inflow But device air flows into face (131a) and the cooler air effluent face (131b) flowed out for the air, and to empty described first The air flowed in gas path is cooled down,
The heater and the cooler configuration are that the heater air enters face and the cooler air effluent face is put down Go and relative,
The opening and closing device is configured at the air stream downstream of the heater,
The guide member (30,31) is configured at the air stream upstream side of the heater.
3. Vehicular air-conditioning unit according to claim 2, it is characterised in that
The guide member has:First guide member (30), first guide member (30) is configured to cover the heater The position of the close second air flue side in air inflow face;And second guide member (31), second guide portion Part (31) is configured to cover the position that the heater air enters the remote second air flue side in face.
4. Vehicular air-conditioning unit according to claim 3, it is characterised in that
The heater air enters the position not covered by first guide member and second guide member in face Aperture area (S1) be more than the 3rd air flue in ratio described in heater by air stream downstream position path Area (S2).
5. the Vehicular air-conditioning unit according to claim 3 or 4, it is characterised in that
The end (301) of the second guide member side in first guide member enters face with the heater air End (311) of the distance (L1) than the first guide member side in second guide member and the heater air The distance (L2) for entering face is short.
6. the Vehicular air-conditioning unit described in any one in claim 3 to 5, it is characterised in that
Enter on first guide member and the heater air in the gap between face, first guide member Gap of the gap-ratio away from the second guide member side close to the second guide member side is big.
7. Vehicular air-conditioning unit according to claim 1, it is characterised in that
With cooler (13), the cooler (13) is configured at first air flue, with for the cold of air inflow But device air flows into face (131a) and the cooler air effluent face (131b) flowed out for the air, and to empty described first The air flowed in gas path is cooled down,
The heater and the cooler configuration are that the heater air enters face and the cooler air effluent face hangs down Directly,
The opening and closing device is configured at the air stream downstream of the heater,
The guide member (32) is configured at the air stream upstream side of the heater.
8. Vehicular air-conditioning unit according to claim 7, it is characterised in that
The guide member (32) is configured at heater air and enters path (181), and is configured to the heater air Flow into path be divided into it is multiple, the heater air enter path formation enter face and the air-conditioning in the heater air In housing enter the relative position in face with the heater air between.
9. the Vehicular air-conditioning unit according to claim 7 or 8, it is characterised in that
The heater is to be laminated multiple pipes (152) and constitute, and the pipe (152) makes the fluid that heat exchange is carried out with the air Circulation,
When entering the orientation observation appeared with the heater air in face along the heater air, the guiding Part (32) is configured at the position overlapping with the pipe.
CN201580065497.8A 2014-12-05 2015-11-26 Vehicular air-conditioning unit Active CN107000539B (en)

Applications Claiming Priority (3)

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JP2014-246954 2014-12-05
JP2014246954A JP6372330B2 (en) 2014-12-05 2014-12-05 Air conditioning unit for vehicles
PCT/JP2015/005868 WO2016088338A1 (en) 2014-12-05 2015-11-26 Vehicular air-conditioning unit

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CN107000539B CN107000539B (en) 2019-03-29

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BR (1) BR112017011310B1 (en)
WO (1) WO2016088338A1 (en)

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FR3082605A1 (en) * 2018-06-13 2019-12-20 Valeo Systemes Thermiques HEATING VENTILATION AND AIR CONDITIONING SYSTEM

Citations (7)

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JP2000071753A (en) * 1998-08-31 2000-03-07 Denso Corp Air cooling apparatus for vehicle
JP2003034114A (en) * 2001-07-19 2003-02-04 Zexel Valeo Climate Control Corp Air-conditioning device for vehicle
JP2007506601A (en) * 2003-06-30 2007-03-22 ベール ゲーエムベーハー ウント コー カーゲー Air conditioner for vehicles
JP2007308009A (en) * 2006-05-18 2007-11-29 Japan Climate Systems Corp Vehicular air-conditioner
JP2008126802A (en) * 2006-11-20 2008-06-05 Japan Climate Systems Corp Vehicle air conditioner
JP2012224112A (en) * 2011-04-15 2012-11-15 Valeo Japan Co Ltd Air conditioner for vehicle
CN103534113A (en) * 2011-05-17 2014-01-22 株式会社电装 Air conditioning device for vehicle

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000071753A (en) * 1998-08-31 2000-03-07 Denso Corp Air cooling apparatus for vehicle
JP2003034114A (en) * 2001-07-19 2003-02-04 Zexel Valeo Climate Control Corp Air-conditioning device for vehicle
JP2007506601A (en) * 2003-06-30 2007-03-22 ベール ゲーエムベーハー ウント コー カーゲー Air conditioner for vehicles
JP2007308009A (en) * 2006-05-18 2007-11-29 Japan Climate Systems Corp Vehicular air-conditioner
JP2008126802A (en) * 2006-11-20 2008-06-05 Japan Climate Systems Corp Vehicle air conditioner
JP2012224112A (en) * 2011-04-15 2012-11-15 Valeo Japan Co Ltd Air conditioner for vehicle
CN103534113A (en) * 2011-05-17 2014-01-22 株式会社电装 Air conditioning device for vehicle

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WO2016088338A1 (en) 2016-06-09
BR112017011310B1 (en) 2022-09-06
BR112017011310A2 (en) 2018-01-02
JP6372330B2 (en) 2018-08-15
JP2016107799A (en) 2016-06-20

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