JPS6312005B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an air conditioner for an automobile, and in particular,
The present invention relates to an air conditioner for an automobile in which the temperature of air from two outlets, for example, one on the driver's seat side and the other on the passenger's seat side, can be adjusted individually.

As shown in Fig. 1, the conventional air conditioner for automobiles cools air from a blower 1 in an evaporator 2, reheats a portion in a heater 3, and passes the remainder through a bypass passage 4, then flows into a mixing chamber. 5 and is configured to be sent to ducts 6 and 7 to each air outlet in the vehicle interior. In this configuration, air of the same temperature is supplied from the mixing chamber 5 to the left and right outlets (driver's seat side and passenger seat side) in the vehicle interior, and it is not possible to individually control the air temperature from the left and right outlets. I couldn't do it. Therefore, when there are a large number of occupants, the required temperatures are inevitably averaged, and each individual is inconvenienced in that they cannot select a temperature that is comfortable for them.

The present invention aims to rectify the drawbacks of the prior art, and aims to provide an air conditioner for an automobile that has a simple structure and can individually control the air temperature from the left and right outlets.

The automobile air conditioner according to the present invention includes an air heater, a bypass passage through which air passes by bypassing the air heater, and a temperature control damper that adjusts the ratio of air flowing through the air heater and the bypass passage. , a casing provided with a mixing chamber for mixing the air that has passed through the fore-air heater and the bypass passage, and at least two air outlets communicating with the mixing chamber, and a blower for supplying air to the casing. In the automotive air conditioner, a partition plate is provided in the casing along the direction of air flow to divide the passage and the mixing chamber into two, and one mixing chamber has at least one air blower. The outlet is connected to the other mixing chamber with another air outlet, and the temperature control damper is divided into two corresponding to the two divided passages, and each can be operated independently. It is characterized by being configured as follows.

Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

The automobile air conditioner shown in FIGS. 2 and 3 includes a blower 10 and an air conditioner body 30. The blower 10 includes a resin blower case 11, a motor 1 disposed inside the blower case 11, and a motor 1 having symmetrical axes.
2. Fan 13 of the same size attached to the shaft
a, 13b. Outside air suction ports 15a, 15b and inside air suction ports 16a, 16b are formed at both ends of the case 11, respectively, and inside/outside air switching dampers 17a, 17b are also provided. The case 11 further includes blower outlets 18a, 1.
8b is formed. The blower 10 is made separately from the air conditioner main body 30, and
0.

The air conditioner main body 30 has an integral casing 31, and inside the casing is an air introduction passage 3 that communicates with the air outlets 18a and 18b of the blower 10.
2. Evaporator 3 arranged over its entire cross section
3. An air heater 34 disposed downstream across the entire width of the air passage, a bypass passage 35 through which air passes by bypassing the air heater 34, and an air passage ratio between the air heater 34 and the bypass passage 35. A temperature control damper 36 for adjustment, a mixing chamber 37 for mixing the air passing through the air heater 34 and the bypass passage 35, and the like are provided. A guide wall 38 is provided at the entrance of the air introduction passage 32 to guide the air from the blow-off ports 18a and 18b to the entire surface of the evaporator 33.
a and 38b are formed integrally with the casing 31.

As clearly shown in FIG. 2, a partition plate 39 is arranged within the casing 31 so as to divide the air passage downstream of the evaporator 33 into left and right sides. That is,
The partition plate 39 divides a passage 40 between the evaporator 33 and the heater 34 into left and right passages 40a, 40b, and divides the bypass passage 35 into left and right bypass passages 35a, 35b.
In addition, the mixing chamber 37 also has left and right mixing chambers 37a, 37.
It is arranged so as to be divided into b. In addition, with the insertion of the partition plate 39, the temperature control damper 36 is also divided into two left and right temperature control dampers 36a, 36b, which can be operated independently.

A plurality of air outlets are formed in each of the left and right divided mixing chambers 37a and 37b. That is, at the front in the forward direction of the air flow inside the casing 31, there are center air outlets 41a and 41b, which are main air outlets.
However, there are defroster outlets 42a and 42b above.
However, air outlets 43a and 43b that communicate with the side air outlets on both sides of the vehicle and air outlets 44a and 44b that communicate with the air outlets at the feet of the occupant are formed in both side directions. In addition, guide plates 45 are provided from both sides of the casing 31 in order to send an appropriate amount of air into the mixing chambers 37a and 37b to the blow-off ports 43a and 43b.
a and 45b are provided.

The center air outlets 41a and 41b each have a third
As shown in the figure, a grill 46 having a damper that can be opened and closed is provided. Defroster outlet 42
Dampers 47a and 47b are also provided at a and 42b, respectively, and a defroster nozzle 48 is attached. The air outlets 44a and 44b to the occupant's feet are arranged on the slightly lower side of the mixing chamber 37 as shown in FIG.
0a and 50b are connected. The air outlets 43a and 43b leading to the side air outlets on both sides of the vehicle are arranged on the side surface slightly above the mixing chamber 37. A side outlet (not shown) is provided with a grill having a damper. In addition, inside the casing 31,
Guide walls 51, 5 that guide the internal wind flow well
2,53 are provided.

FIG. 4 shows an air control instruction panel 6 used in combination with the air conditioner shown in FIGS. 2 and 3.
It shows 0. This air control instruction panel 60
has left and right blowing mode switching levers 61a and 61b so that the air blowing mode can be individually controlled in both the left and right systems. Switching lever 61
a, 61b are connected via a link mechanism (not shown), etc.
It is connected to dampers 47a, 47b and 49a, 49b, and opens and closes defroster air outlets 42a, 42b and air outlets 44a, 44b to the occupant's feet. The center air outlets 41a, 41b and side air outlets (not shown) are opened and closed by individually manually adjusting dampers provided on the grill side.

The air control instruction panel 60 is further provided with left and right temperature control levers 62a and 62b. The temperature control levers 62a, 62b are connected to the left and right temperature control dampers 36a, 36b, respectively, so that the temperature control dampers 36a, 36b can be moved individually. In addition, in Figure 4,
Reference numeral 63 denotes an inside/outside air switching lever, which is connected to the left and right inside/outside air switching dampers 17 attached to the blower 10.
a and 17b are connected so that they can be switched at the same time. Further, 64 is a control lever for the blower 10.

Next, the operation of the above device will be explained. Blower 10
The air sucked in from the suction port 15a or 16a on the right side is first sent to the right half of the evaporator 33, where it is dehumidified and cooled, and then passes through the right half of the air conditioner separated by the partition plate 39. , and is switched by the temperature control damper 36a on the right side, one of which is distributed to the bypass passage 35 and the other to the heater 34. The air distributed to the heater 34 is heated here to become hot air A, and this hot air A joins the cold air B that has passed through the bypass passage in the mixing chamber 37a and is adjusted to a predetermined temperature. This temperature adjustment can be freely and continuously changed from a low temperature to a high temperature by changing the opening degree of the temperature control damper 36a. Therefore, the occupant can operate the temperature control lever 62a to change the degree of opening of the temperature control damper 36a to obtain a comfortable temperature suitable for him/her. The air C mixed in the mixing chamber 37a is sent to a predetermined outlet selected by the occupant using the mode switching lever 61a, and is blown into the room.

On the other hand, the same operation as the right side described above is performed on the left side of the air conditioner. Therefore,
Passengers can control the temperature independently on the left and right sides.
Moreover, the blowout mode can also be adjusted individually.

In the above embodiment, a blower equipped with a motor having symmetrical shafts and a pair of fans 13a and 13b attached to the shaft is used as the blower, but the present invention is limited to such a blower. isn't it. FIG. 5 shows an embodiment using a blower 70 different from the above. In this embodiment, a single fan 71, a single outside air suction port 72, a single inside air suction port 73, and a single fan 71 are used. A blower having an inside/outside air switching damper 74 is used. The discharge port 75 of the blower 70 is connected to the air introduction passage 32' of the air conditioner main body 30', and inside the air introduction passage 32',
A guide plate 76 is provided for dividing the internal airflow into left and right sides and sending it to the evaporator 33. The structure of other parts of the air conditioner main body 30' is the same as that shown in FIGS. 2 and 3. This embodiment also has the advantage that the temperature can be adjusted separately for the left and right sides. In addition, in the embodiment shown in Fig. 2 and Fig. 3, by using a double-shaft motor, two fans can be used and the amount of air blown can be increased. It has ancillary effects such as being able to lead to

Further, in the above embodiment, the evaporator 33 for air cooling
However, the present invention is also applicable to an air conditioner that does not have an evaporator and only has a heating function. Furthermore, in the above embodiment, as shown in FIG. 2, the partition plate 39 is arranged at the center of the air conditioner, and the plurality of air outlets are arranged in symmetrical positions. The mounting position of the air outlet can also be changed as appropriate.

Further, in the above embodiment, the left and right blowout mode switching levers 61a and 61b are provided, but the present invention is not limited to this, and the blowout modes in both the left and right passages can be adjusted simultaneously using a single blowout mode switching lever. It's okay.

As explained above, according to the present invention, a partition plate is provided in a casing having an air heater, a bypass passage, and a mixing chamber to divide the passage and the mixing chamber into two, and one mixing chamber is provided with a partition plate. At least one air outlet communicates with the other mixing chamber and another air outlet, and each of the two divided passages is provided with a temperature control damper that can be operated individually. Therefore, the air temperature to the two divided mixing chambers can be controlled individually, and therefore,
The temperature of the air blown from at least two air outlets can be individually controlled, and the advantage is that the occupants can achieve more comfortable temperature control that suits them better than conventional systems.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram of a conventional automobile air conditioner, Fig. 2 is a schematic diagram of an automobile air conditioner which is an embodiment of the present invention, and Fig. 3 is a side cross section of the embodiment shown in Fig. 2. 4 are front views of the air control instruction panel used in the embodiment of FIG. 2, and FIG. 5 is a schematic diagram showing another embodiment different from that of FIG. 2. 10...Blower, 30...Air conditioner main body,
31...Casing, 32...Air introduction passage, 3
3... Evaporator, 34... Air heater, 35... Bypass passage, 36a, 36b... Temperature control damper, 37... Mixing chamber, 39... Partition plate.

Claims (1)

[Scope of Claims] 1. an air heater, a bypass passage through which air passes by bypassing the air heater, a temperature control damper that adjusts the ratio of air flowing through the air heater and the bypass passage; For automobiles, comprising: a casing provided with a mixing chamber that mixes air that has passed through an air heater and a bypass passage; and at least two air outlets communicating with the mixing chamber; and a blower that supplies air to the casing. In the air conditioner, a partition plate is provided in the casing along the direction of air flow to divide the passage and the mixing chamber into two, and one mixing chamber has at least one air outlet; Another air outlet is communicated with the other mixing chamber, and the temperature control damper is divided into two corresponding to the two divided passages, and each can be operated independently. An air conditioner for an automobile characterized by the following configuration.