CN104999889A - HVAC assembly for automobile air conditioning system - Google Patents
HVAC assembly for automobile air conditioning system Download PDFInfo
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- CN104999889A CN104999889A CN201510355181.4A CN201510355181A CN104999889A CN 104999889 A CN104999889 A CN 104999889A CN 201510355181 A CN201510355181 A CN 201510355181A CN 104999889 A CN104999889 A CN 104999889A
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- 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
- B60H1/00007—Combined heating, ventilating, or cooling devices
- B60H1/00021—Air flow details of HVAC devices
- B60H1/00028—Constructional lay-out of the devices in the vehicle
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Abstract
The invention relates to an HVAC assembly for an automobile air conditioning system. The HVAC assembly is characterized in that a cold and hot air mixing cavity and an air outflow distribution cavity are combined into an air conditioning cavity, five air outlets of the defrosting air outlet, the face blowing air outlet, the front-row left foot blowing air outlet, the front-row right foot blowing air outlet and the rear-row foot blowing air outlet are compactly arranged on the periphery of the air conditioning cavity, the defrosting air outlet is located above the air conditioning cavity, the foot blowing air outlets are located below the face blowing air outlet, and the face blowing air outlet and the foot blowing air outlets share the same air outflow adjusting valve. The HVAC assembly has the beneficial effects that the structure is compact, parts are fewer, the size is small, ventilation resistance is small, performance is high, and cost is low.
Description
Technical field
The present invention relates to a kind of HVAC(Heating for automotive air-conditioning system, Ventilating and Air Conditioning) assembly, belong to a critical component in automotive air-conditioning system, for the refrigeration of car indoor, heating and ventilation.
Background technology
HVAC assembly is an important constituent elements in automotive air-conditioning system, and be arranged on the indoor dashboard lower of car, it has two ventilation inlets: car outer air ventilation inlet and Che Nei air ventilation inlet, control two ventilation inlet alternations by an inlet air door.It has five air outlets usually: blow face air outlet, Defroster Outlet, first line left side-blown pin air outlet, first line right side-blown pin air outlet and rear row and blow pin air outlet, can realize five kinds of basic air-out modes: blow face, blow pin, defrost, blow face and blow pin, blow pin and defrosting.Air is (purification, cooling, dehumidifying or heating) after the process of HVAC assembly, from its corresponding air outlet blowout, blows to the face of occupant, foot and front windshield glass, thus realize the adjustment to car room air through connection air channel, outside.
The evaporator of the blowing engine having ventilation in HVAC assembly, the fil purified air, cooling-air, add hot air warm air radiator, for regulating the temperature damper of refrigeration and heat-production functions, the air hybrid chamber for mixing hot and cold air, the air-out distribution cavity flowed to for air distribution, blow face air outlet, Defroster Outlet, first line left side-blown pin air outlet, first line right side-blown pin air outlet, rear row blow pin air outlet and the air-out damper that configures for each air outlet, some car also has auxiliary electrical heater heat installation PTC.Therefore HVAC assembly structure is complicated, and volume is large, takies the indoor dashboard lower space of car many, and modern automobile additional function equipment is more and more, majority is all arranged on dashboard lower, and this just requires the necessary more compact structure of HVAC assembly, volume is less, and slot milling gives other parts.
The air hybrid chamber that the now conventional many employings of air conditioning for automobiles HVAC assembly are independent and air-out distribution cavity, inner structure is compact not; Although two air chambers unite two into one by some HVAC assembly, adopt three air-out air doors---blow face air door, defroster door and blow pin air door to control five kinds of basic air-out modes, structure is also very complicated; Although also some HVAC assembly have employed two air-out air doors and controls five kinds of basic air-out modes, but blow the left and right sides that pin air outlet is arranged in air distribution chamber on the right side of its first line left, cause its volume still larger, beriberi road is blown on coupled first line left/right side can take the very large space of dashboard lower, brings difficulty to the installation of other parts of dashboard lower.Meanwhile, the cost of baroque HVAC assembly is also higher.
Summary of the invention
The object of this invention is to provide a kind of HVAC assembly for automotive air-conditioning system, it possesses the features such as compact conformation, part is few, volume is little, ventilation resistance is little, performance is high, cost is low.
Technical scheme of the present invention is achieved in that the HVAC assembly for automotive air-conditioning system, and evaporator, warm air radiator, blowing engine, airfilter is integrated, for the refrigeration of car indoor, heating and ventilation, form for the air-out distribution cavity controlling the different air outlet of air flow with one for the air hybrid chamber controlling leaving air temp by one, it is characterized in that: air hybrid chamber and air-out distribution cavity are synthesized an air regulation chamber, Defroster Outlet, blow face air outlet, first line left side-blown pin air outlet, first line right side-blown pin air outlet and rear row blow pin air outlet totally five air outlets respectively compact Layout around air regulation chamber, Defroster Outlet is above air regulation chamber, blowing pin air outlet is blowing below the air outlet of face, blow face air outlet and blow pin air outlet and share an air-out damper, and control its whether air-out and air output size with respective air door, wherein adopt and blow face/blow pin air door to control with one and blow face air outlet, blow the total air outlet of pin whether air-out and air output size, by a defroster door control Defroster Outlet whether air-out and air output size, warm braw gas channel and inside are blown beriberi road and are shared an air flue separator of battery plates, inside is blown beriberi road and is arranged in and blows below the total air outlet of pin, blowing beriberi road along air flow line inside and be divided into three not connected passages---side-blown beriberi road, first line left, rear row blow beriberi road and side-blown beriberi road, first line right, lead to first line left side-blown pin air outlet respectively, rear row blows pin air outlet and first line right side-blown pin air outlet, by the change of the face of blowing/blow pin air door and defroster door turned position, the face of blowing can be realized, blow pin, defrost, blow face and blow pin, blow pin and defrosting totally five kinds of basic air-out modes.
The rotating shaft of described defroster door is arranged on the end near housing, blows face/blow pin air door rotating shaft and is arranged on end near housing.
The rotating shaft in described face of blowing/blow pin air door is arranged on the close midway location of this air door.
Described face of blowing/blow pin air door and blow the total air outlet position of pin and structure adjusts, extend internally near the air door shaft seat and fit structure blowing face air outlet, air door closing end B point moves down in the position of air flue separator of battery plates.
The rotating shaft of described defroster door is arranged on the left wall of Defroster Outlet.
Described face of blowing/blow pin air door to be designed to butterfly throttle structure, five kinds of basic air-out modes can be realized, the face of blowing can also be realized, blow the pattern of pin and defrosting air-out simultaneously, by adjustment defroster door with blow face/blow pin air door, can control to blow face air outlet, blow the air output size of the total air outlet of pin, Defroster Outlet, regulate three air outlet ratios.
The described total air outlet of pin that blows is arranged on inside and blows on the left wall in beriberi road, and blowing face/blow pin air door is butterfly throttle, and air door rotating shaft is arranged on the end blowing face air outlet lower wall.
The rotating shaft of described described defroster door is arranged on the midway location of this air door, and blowing face/blow pin air door is butterfly throttle, and air door rotating shaft is arranged on the end blowing face air outlet lower wall.
Good effect of the present invention reduces the volume of HVAC assembly and shared space to greatest extent, for arranging that in more and more nervous dashboard lower space installing more assembly unit provides possibility, also warm up electro heat ptc heater reserved space for installing auxiliary wind in HVAC housing simultaneously, in the electric air-conditioning system making this HVAC assembly can be applied directly to battery-driven car or heat pump type air conditioning system, expand its range of use, improve its commonality, the cost of development of automobile can be reduced.Meanwhile, because only have two air-out dampers, inner air resistance to flow reduces, and improves HVAC assembly performance, and makes its bar-link drive become simple, controls more easily to realize, and the minimizing of number of parts also makes the cost of HVAC assembly own reduce.
Accompanying drawing explanation
Fig. 1 is according to the first embodiment HVAC assembly elevation figure of the present invention.
Fig. 2 is according to the first embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Fig. 3 blows beriberi road place front partial cut away figure for the first embodiment HVAC assembly inside according to the present invention.
Fig. 4 realizes five kinds of air-out mode representative side section view for the first embodiment HVAC assembly according to the present invention.
Wherein Fig. 4-A is that refrigeration blows surface model, and Fig. 4-B is heating defrosting mode, and Fig. 4-C is that pin pattern is blown in heating, and Fig. 4-D is that face/blow pin pattern is blown in heating, and Fig. 4-E is that pin/defrosting mode is blown in heating.
Fig. 5 is according to the second embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Fig. 6 is according to the 3rd embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Fig. 7 is according to the 4th embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Fig. 8 is according to the 5th embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Fig. 9 is according to the 6th embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Figure 10 is according to the 7th embodiment HVAC assembly air door place side cross-sectional view of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention will be further described: 1, for the HVAC assembly of automotive air-conditioning system, and evaporator 20, warm air radiator 18, blowing engine, airfilter is integrated, for the refrigeration of car indoor, heating and ventilation, form for the air-out distribution cavity controlling the different air outlet of air flow with one for the air hybrid chamber controlling leaving air temp by one, it is characterized in that: air hybrid chamber and air-out distribution cavity are synthesized an air regulation chamber 11, Defroster Outlet 4, blow face air outlet 3, first line left side-blown pin air outlet 5, first line right side-blown pin air outlet 6 and rear row blow pin air outlet 7 totally five air outlets respectively compact Layout around air regulation chamber 11, Defroster Outlet is above air regulation chamber, blowing pin air outlet is blowing below the air outlet of face, blow face air outlet and blow pin air outlet and share an air-out damper, and control its whether air-out and air output size with respective air door, wherein adopt and blow face/blow pin air door 12 with one and control to blow face air outlet 3, blow the total air outlet of pin 13 whether air-out and air output size, control Defroster Outlet 4 whether air-out and air output size with a defroster door 10, warm braw gas channel 16 and inside are blown beriberi road 14 and are shared an air flue separator of battery plates 15, inside is blown beriberi road 14 and is arranged in and blows below the total air outlet 13 of pin, blowing beriberi road 14 along air flow line inside and be divided into three not connected passages---side-blown beriberi road 22, first line left, rear row blow beriberi road 23 and side-blown beriberi road 24, first line right, lead to first line left side-blown pin air outlet 5 respectively, rear row blows pin air outlet 7 and first line right side-blown pin air outlet 6, by the change of the face of blowing/blow pin air door 12 and defroster door 10 turned position, the face of blowing can be realized, blow pin, defrost, blow face and blow pin, blow pin and defrosting totally five kinds of basic air-out modes.
The rotating shaft of described defroster door 10 is arranged on the end near housing, blows face/blow pin air door rotating shaft and is arranged on end near housing.
The rotating shaft in described face of blowing/blow pin air door 12 is arranged on the close midway location of this air door.
Described face of blowing/blow pin air door 12 and blow pin total air outlet 13 position and structure adjusts, extend internally near the air door shaft seat and fit structure blowing face air outlet 3, air door closing end B point moves down in the position of air flue separator of battery plates.
The rotating shaft of described defroster door 10 is arranged on the left wall of Defroster Outlet 4.
Described face of blowing/blow pin air door to be designed to butterfly throttle structure, five kinds of basic air-out modes can be realized, the face of blowing can also be realized, blow the pattern of pin and defrosting air-out simultaneously, by adjustment defroster door 10 with blow face/blow pin air door 12, can control to blow face air outlet 3, blow the air output size of the total air outlet 13 of pin, Defroster Outlet 4, regulate three air outlet ratios.
The described total air outlet of pin 13 that blows is arranged on inside and blows on the left wall in beriberi road 14, and blow face/blow pin air door 12 for butterfly throttle, air door rotating shaft is arranged on the end blowing face air outlet lower wall.
The rotating shaft of described described defroster door 10 is arranged on the midway location of this air door, and blow face/blow pin air door 12 for butterfly throttle, air door rotating shaft is arranged on the end blowing face air outlet lower wall.
When car outer air enters after in HVAC assembly from air ventilation inlet 2 in car outer air ventilation inlet 1 or car, can be cooled when flowing through evaporator 20, can be heated when flowing through warm air radiator 18, temperature damper 19 regulates the ratio of air by the change of open position, and then realizes the regulation and control to HVAC assembly leaving air temp; Air hybrid chamber and air-out distribution cavity are integrated, become air regulation chamber 11, reduce HVAC assembly inner space, also make HVAC assembly inner structure compacter, smaller volume; Face air outlet 3 will be blown, blow the total air outlet 13 of pin and Defroster Outlet 4 disposed adjacent around air regulation chamber 11, and Defroster Outlet 4 is above air regulation chamber 11, blowing the total air outlet 13 of pin is blowing below face air outlet 3, blows face air outlet 3 like this and blow the total air outlet 13 of pin just to share an air-out damper---blow face/blow pin air door 12; Be arranged on air-out mode drive motor 8 outside HVAC assembly and can drive the face of blowing/blow pin air door 12 and defroster door 10 common rotation by air-out mode bar-link drive 9, and changed by the turned position of two air doors, just can realize refrigeration blow to look like in Fig. 4 shown in A, heating blow pin pattern as shown in C in Fig. 4, heating defrosting mode as shown in B in Fig. 4, heating blow face with blow pin pattern as shown in D in Fig. 4, heating blows pin and defrosting mode totally five kinds of air-out modes as shown in E in Fig. 4.
Blow the total air outlet 13 of pin to blow beriberi road 14 with the inside below it and be connected, inside is blown beriberi road 14 and is divided into three in the horizontal and blows beriberi road---side-blown beriberi road 22, first line left, rear row blow beriberi road 23 and side-blown beriberi road 24, first line right, and lead to first line left side-blown pin air outlet 5 respectively, rear row blows pin air outlet 7 and first line right side-blown pin air outlet 6.When blowing pin pattern, air-flow is successively by blowing the total air outlet 13 of pin, beriberi road 14 is blown in inside, three are blown beriberi road and first line left side-blown beriberi road 22, rear row blow beriberi road 23 and side-blown beriberi road 24, first line right, three are blown pin air outlet 5,7 and 6 and HVAC assembly outer wind channel, blow to the pin nest place of front-seat left and right occupant and rear row occupant.Three are blown pin air outlet and are laterally arranged side by side in the below of blowing face air outlet 3, can improve the compactedness of HVAC assembly, reduce its volume, and install HVAC housing 21 in and assist wind to warm up electro heat ptc heater 17 to have reserved space.
The HVAC assembly of automotive air-conditioning system has refrigeration, heating, ventilation and the function such as refrigeration and heating simultaneously.For while refrigeration and heating, the present invention is described in detail.
Embodiment 1
As shown in Figure 2, defroster door 10 axle is arranged on the end near housing, blows face/blow pin air door rotating shaft and is arranged on end near housing.Car outer air enters into HVAC assembly inside by air in HVAC assembly car outer air ventilation inlet 1 or car by air ventilation inlet 2 in HVAC assembly car as Figure 1-3, be cooled into after cryogenic gas through evaporator, a part directly arrives air regulation chamber 11, another part enters air regulation chamber 11 after warm air radiator 18 and ptc heater 17 are heated to form high-temperature gas, the air of temperature during air is mixed in air regulation chamber 11, now, if defroster door 10 is at C place, and blow face/blow pin air door 12 at B place, then Defroster Outlet 4 and blow the total air outlet 13 of pin and close not air-out, mixed middle warm air all blows out from blowing face air outlet 3, face air-out mode is blown in realization, in like manner, if defroster door 10 is at C place, and blow face/blow pin air door 12 at A place, then Defroster Outlet 4 and blow face air outlet 3 and close not air-out, mixed middle warm air all blows out from blowing the total air outlet 13 of pin, realizes blowing pin air-out mode, if defroster door 10 is at B place, and blow face/blow pin air door in any position, then Defroster Outlet 4 is opened, and blow face air outlet 3 and blow the not air-out of the total air outlet 13 of pin, mixed middle warm air all blows out from Defroster Outlet 4, realizes defrosting air-out mode, if defroster door 10 is at C place, and blow face/blow pin air door 12 at midway location D place, then Defroster Outlet 4 closes not air-out, blow face air outlet 3 and blow the total air outlet of pin 13 all half-open, mixed middle warm air blows out from blowing face air outlet 3 and blowing the total air outlet 13 of pin respectively, face/blow pin air-out mode is blown in realization, D point is located at the diverse location in the middle of A place and B place, also can control the air-out ratio of blowing face air outlet 3 and blowing the total air outlet 13 of pin, if defroster door 10 is at midway location E place, and blow face/blow pin air door 12 at A place, then blow face air outlet 3 and close not air-out, mixed middle warm air is respectively from Defroster Outlet 4 with blow the total air outlet 13 of pin and blow out, pin/defrosting air-out mode is blown in realization, E point is located at the diverse location in the middle of B point and C point, also can controls the air-out ratio of blowing the total air outlet 13 of pin and Defroster Outlet 4, Fig. 4 is shown in by the schematic diagram realizing five kinds of air-out modes.The rotating shaft of defroster door 10 is arranged on the end near housing, blows face/blow pin air door rotating shaft and is arranged on end near housing.
Embodiment 2
As shown in Figure 5, the rotating shafts that are in blow face/blow pin air door 12 different from embodiment 1 are arranged on the close midway location of this air door, regulate the air in chamber can enter inside from B and F two and blow beriberi road 14, make inside blow air-flow in beriberi road 14 evenly, also the air-out ratio of blowing face air outlet 3 and blowing the total air outlet 13 of pin can be controlled more subtly, air-out mode bar-link drive 9 structure of this air door of HVAC assembly external control also can be made simpler, control more easily to realize.
Embodiment 3
As shown in Figure 6, differently from embodiment 1 be in the face of blowing/blow pin air door 12 and blow the total air outlet 13 of pin, its position and structure are adjusted, extend internally near the air door shaft seat and fit structure that blow face air outlet 3, air door closing end B point moves down in the position of air flue separator of battery plates, on all functions basis realizing embodiment 1, can also increase and blow pin air output, to meet vehicle foot's temperature being had to particular/special requirement.
Embodiment 4
As shown in Figure 7, differently from embodiment 1 to be in blowing face air outlet 3 upwards air-out, the demand of some vehicle arrangement can be met.The air of temperature during air is mixed in air regulation chamber 11, now, if defroster door 10 is at C place, and blow face/blow pin air door 12 at B place, then Defroster Outlet 4 and blow the total air outlet 13 of pin and close not air-out, mixed middle warm air all blows out from blowing face air outlet 3, realizes blowing face air-out mode (now HVAC assembly blows face air outlet 3 air-out upward); If defroster door 10 is at C place, and blow face/blow pin air door 12 at midway location D place, then Defroster Outlet 4 closes not air-out, blow face air outlet 3 and blow the total air outlet of pin 13 all half-open, mixed middle warm air blows out from blowing face air outlet 3 and blowing the total air outlet 13 of pin respectively, realizing blowing face/blow pin air-out mode i.e. face of blowing herein is upwards air-out, D point is located at the diverse location of A place and centre, B place, also can controls the air-out ratio of blowing face air outlet 3 and blowing the total air outlet 13 of pin; About blowing pin air-out mode, blow pin/defrosting air-out mode and defrosting mode realize principle with example 1, no longer repeat.
Embodiment 5
As shown in Figure 8, the rotating shaft that be in defroster door 10 different from embodiment 1 is arranged on the left wall of Defroster Outlet 4, can realize all functions of embodiment 1 equally.The air of temperature during air is mixed in air regulation chamber 11, now, if defroster door 10 is at H place, and blow face/blow pin air door 12 at B place, then Defroster Outlet 4 and blow the total air outlet 13 of pin and close not air-out, mixed middle warm air all blows out from blowing face air outlet 3, realizes blowing face air-out mode; In like manner, if defroster door 10 is at H place, and blow face/blow pin air door 12 at A place, then Defroster Outlet 4 and blow face air outlet 3 and close not air-out, mixed middle warm air all blows out from blowing the total air outlet 13 of pin, realizes blowing pin air-out mode; If defroster door 10 is at B place, and blow face/blow pin air door in any position, then Defroster Outlet 4 is opened, and blow face air outlet 3 and blow the not air-out of the total air outlet 13 of pin, mixed middle warm air all blows out from Defroster Outlet 4, realizes defrosting air-out mode; If defroster door 10 is at H place, and blow face/blow pin air door 12 at midway location D place, then Defroster Outlet 4 closes not air-out, blow face air outlet 3 and blow the total air outlet of pin 13 all half-open, mixed middle warm air blows out from blowing face air outlet 3 and blowing the total air outlet 13 of pin respectively, face/blow pin air-out mode is blown in realization, D point is located at the diverse location in the middle of A place and B place, also can control the air-out ratio of blowing face air outlet 3 and blowing the total air outlet 13 of pin; If defroster door 10 is at midway location G place, and blow face/blow pin air door 12 at A place, then blow face air outlet 3 and close not air-out, mixed middle warm air is respectively from Defroster Outlet 4 with blow the total air outlet 13 of pin and blow out, pin/defrosting air-out mode is blown in realization, E point is located at the diverse location in the middle of B point and C point, also can controls the air-out ratio of blowing the total air outlet 13 of pin and Defroster Outlet 4; Five kinds of air-out modes are realized by above regulating measures HVAC.
Embodiment 6
As shown in Figure 9, be in different from embodiment 1 is arranged on inside blows on the left wall in beriberi road 14 in blowing the total air outlet of pin 13, blow face/blow pin air door 12 for butterfly throttle, air door rotating shaft is arranged on the end blowing face air outlet lower wall, this programme is while realizing embodiment 1 all functions, also add the pin that defrosts/blow/blow face air-out mode, the demand of some vehicle 6 kinds of air-out modes can be met.The air of temperature during air is mixed in air regulation chamber 11, now, if defroster door 10 is at C place, and blow face/blow pin air door 12 at J place, then Defroster Outlet 4 and blow the total air outlet 13 of pin and close not air-out, mixed middle warm air all blows out from blowing face air outlet 3, realizes blowing face air-out mode; In like manner, if defroster door 10 is at C place, and blow face/blow pin air door 12 at A place, then Defroster Outlet 4 and blow face air outlet 3 and close not air-out, mixed middle warm air all blows out from blowing the total air outlet 13 of pin, realizes blowing pin air-out mode; If defroster door 10 is at D place, and blow face/blow pin air door at J place, then Defroster Outlet 4 is opened, and blow face air outlet 3 and blow the not air-out of the total air outlet 13 of pin, mixed middle warm air all blows out from Defroster Outlet 4, realizes defrosting air-out mode; If defroster door 10 is at C place, and blow face/blow pin air door 12 at midway location K place, then Defroster Outlet 4 closes not air-out, blow face air outlet 3 and blow the total air outlet of pin 13 all half-open, mixed middle warm air blows out from blowing face air outlet 3 and blowing the total air outlet 13 of pin respectively, face/blow pin air-out mode is blown in realization, K point is located at the diverse location in the middle of A place and J place, also can control the air-out ratio of blowing face air outlet 3 and blowing the total air outlet 13 of pin; If defroster door 10 is at midway location E place, and blow face/blow pin air door 12 at A place, then blow face air outlet 3 and close not air-out, mixed middle warm air is respectively from Defroster Outlet 4 with blow the total air outlet 13 of pin and blow out, pin/defrosting air-out mode is blown in realization, E point is located at the diverse location in the middle of A point and C point, also can controls the air-out ratio of blowing the total air outlet 13 of pin and Defroster Outlet 4; If defroster door 10 is at midway location E place, and blow face/blow pin air door 12 at midway location K place, mixed middle warm air is respectively from blowing face air outlet 3, Defroster Outlet 4 and blowing the blowout of pin air outlet, realization blows that pin/defrost/blow face air-out mode, E point is located at the diverse location in the middle of A point and C point, K point is located at the diverse location in the middle of A point and J point, also can controls the air-out ratio of blowing the total air outlet 13 of pin, Defroster Outlet 4 and blowing face air outlet 3, realize six kinds of air-out modes.
Embodiment 7
As shown in Figure 10, the rotating shafts that are in defroster door 10 different from embodiment 1 are arranged on the midway location of this air door, regulate the air in chamber can enter Defroster Outlet 4 from C and H two, the air-out of Defroster Outlet 4 can be made more even, be convenient to the design of coupled instrument carrier panel defrosting duct; Blow face/blow pin air door 12 for butterfly throttle simultaneously, air door rotating shaft is arranged on the end blowing face air outlet lower wall, this programme, while realizing embodiment 1 all functions, also add the pin that defrosts/blow/blow face air-out mode, can meet the demand of some vehicle 6 kinds of air-out modes.The air of temperature during air is mixed in air regulation chamber 11, now, if defroster door 10 is at C place, and blow face/blow pin air door 12 at J place, then Defroster Outlet 4 and blow the total air outlet 13 of pin and close not air-out, mixed middle warm air all blows out from blowing face air outlet 3, realizes blowing face air-out mode; In like manner, if defroster door 10 is at C place, and blow face/blow pin air door 12 at A place, then Defroster Outlet 4 and blow face air outlet 3 and close not air-out, mixed middle warm air all blows out from blowing the total air outlet 13 of pin, realizes blowing pin air-out mode; If defroster door 10 is at E place, and blow face/blow pin air door at J place, then Defroster Outlet 4 is opened, and blow face air outlet 3 and blow the not air-out of the total air outlet 13 of pin, mixed middle warm air all blows out from Defroster Outlet 4, realizes defrosting air-out mode; If defroster door 10 is at C place, and blow face/blow pin air door 12 at midway location K place, then Defroster Outlet 4 closes not air-out, blow face air outlet 3 and blow the total air outlet of pin 13 all half-open, mixed middle warm air blows out from blowing face air outlet 3 and blowing the total air outlet 13 of pin respectively, face/blow pin air-out mode is blown in realization, K point is located at the diverse location in the middle of A place and J place, also can control the air-out ratio of blowing face air outlet 3 and blowing the total air outlet 13 of pin; If defroster door 10 is at midway location E place, and blow face/blow pin air door 12 at A place, then blow face air outlet 3 and close not air-out, mixed middle warm air is respectively from Defroster Outlet 4 with blow the total air outlet 13 of pin and blow out, pin/defrosting air-out mode is blown in realization, E point is located at the diverse location in the middle of C point and H point, also can controls the air-out ratio of blowing the total air outlet 13 of pin and Defroster Outlet 4; If defroster door 10 is at midway location E place, and blow face/blow pin air door 12 at midway location K place, mixed middle warm air is respectively from blowing face air outlet 3, Defroster Outlet 4 and blowing the blowout of pin air outlet, realization blows that pin/defrost/blow face air-out mode, E point is located at the diverse location in the middle of C point and H point, K point is located at the diverse location in the middle of A point and J point, also can controls the air-out ratio of blowing the total air outlet 13 of pin, Defroster Outlet 4 and blowing face air outlet 3, realize six kinds of air-out modes.
Claims (8)
1. for the HVAC assembly of automotive air-conditioning system, evaporator, warm air radiator, blowing engine, airfilter is integrated, for the refrigeration of car indoor, heating and ventilation, form for the air-out distribution cavity controlling the different air outlet of air flow with one for the air hybrid chamber controlling leaving air temp by one, it is characterized in that: air hybrid chamber and air-out distribution cavity are synthesized an air regulation chamber, Defroster Outlet, blow face air outlet, first line left side-blown pin air outlet, first line right side-blown pin air outlet and rear row blow pin air outlet totally five air outlets respectively compact Layout around air regulation chamber, Defroster Outlet is above air regulation chamber, blowing pin air outlet is blowing below the air outlet of face, blow face air outlet and blow pin air outlet and share an air-out damper, and control its whether air-out and air output size with respective air door, wherein adopt and blow face/blow pin air door to control with one and blow face air outlet, blow the total air outlet of pin whether air-out and air output size, by a defroster door control Defroster Outlet whether air-out and air output size, warm braw gas channel and inside are blown beriberi road and are shared an air flue separator of battery plates, inside is blown beriberi road and is arranged in and blows below the total air outlet of pin, blowing beriberi road along air flow line inside and be divided into three not connected passages---side-blown beriberi road, first line left, rear row blow beriberi road and side-blown beriberi road, first line right, lead to first line left side-blown pin air outlet respectively, rear row blows pin air outlet and first line right side-blown pin air outlet, by the change of the face of blowing/blow pin air door and defroster door turned position, the face of blowing can be realized, blow pin, defrost, blow face and blow pin, blow pin and defrosting totally five kinds of basic air-out modes.
2. HVAC assembly according to claim 1, is characterized in that the rotating shaft of described defroster door is arranged on the end near housing, blows face/blow pin air door rotating shaft and is arranged on end near housing.
3. HVAC assembly according to claim 1, is characterized in that the rotating shaft in described face of blowing/blow pin air door is arranged on the close midway location of this air door.
4. HVAC assembly according to claim 1, it is characterized in that described face of blowing/blow pin air door and blow the total air outlet position of pin and structure adjusts, extend internally near the air door shaft seat and fit structure that blow face air outlet, air door closing end B point moves down in the position of air flue separator of battery plates.
5. HVAC assembly according to claim 1, is characterized in that the rotating shaft of described defroster door is arranged on the left wall of Defroster Outlet.
6. HVAC assembly according to claim 1, it is characterized in that described face of blowing/blow pin air door to be designed to butterfly throttle structure, five kinds of basic air-out modes can be realized, the face of blowing can also be realized, blow the pattern of pin and defrosting air-out simultaneously, by adjustment defroster door with blow face/blow pin air door, can control to blow face air outlet, blow the air output size of the total air outlet of pin, Defroster Outlet, regulate three air outlet ratios.
7. HVAC assembly according to claim 1, is characterized in that the described total air outlet of pin that blows is arranged on inside and blows on the left wall in beriberi road, and blowing face/blow pin air door is butterfly throttle, and air door rotating shaft is arranged on the end blowing face air outlet lower wall.
8. HVAC assembly according to claim 1, is characterized in that the rotating shaft of described described defroster door is arranged on the midway location of this air door, and blowing face/blow pin air door is butterfly throttle, and air door rotating shaft is arranged on the end blowing face air outlet lower wall.
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CN105291757A (en) * | 2015-10-30 | 2016-02-03 | 北京新能源汽车股份有限公司 | Warm braw system and have its car |
CN107571841A (en) * | 2017-09-18 | 2018-01-12 | 沈阳新阳光机电科技有限公司 | Frost removal and vehicle |
CN109910547A (en) * | 2019-03-29 | 2019-06-21 | 上海理工大学 | With the electric vehicle heat pump system air-conditioning box assembly for simplifying air-conditioning box runner |
CN110154680A (en) * | 2019-05-21 | 2019-08-23 | 上海理工大学 | Automobile air conditioning box flow passage structure |
CN110949097A (en) * | 2019-12-25 | 2020-04-03 | 博耐尔汽车电气系统有限公司 | Automobile air conditioner mode air door driving mechanism |
CN112721570A (en) * | 2021-01-28 | 2021-04-30 | 中国重汽集团济南动力有限公司 | Commercial car air conditioner HVAC assembly |
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CN110949097A (en) * | 2019-12-25 | 2020-04-03 | 博耐尔汽车电气系统有限公司 | Automobile air conditioner mode air door driving mechanism |
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