JP2002052924A - Air conditioner for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce wires and to secure the contract pressure of a heat sensitive part 61 of a post-evaporation temperature sensor 55 to an evaporator 15 by modulizing a plurality of electric components. SOLUTION: A plurality of the electric components (air conditioning control components and drive motor components) such as a blower controller 14, servo motors 18, 34, 35, and 36, and the post-evaporation temperature sensor 55 are concentratedly disposed in an electric circuit board 9 integrally installed in an evaporator cover case 8 covering the side of an evaporator case of an air conditioning unit of an air conditioner for the vehicle, or an air conditioner ECU 10 so that a connector and a wire harness necessary for the conventional connection can be eliminated. An elastically deformable sensor urging part (hinge part) 64 is integrally molded with an opening 63 of the evaporator cover case 8 for integrally installing the electric circuit board 9 so that the contact pressure of the heat sensitive part 61 of the post-evaporation temperature sensor 55 to the side of the evaporator 15 can be secured.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air-conditioning unit for providing a comfortable environment in a vehicle interior by reducing costs by integrating electric components, reducing the number of wires of a wire harness, saving space, and reducing the number of assembly steps. The present invention relates to a vehicle air conditioner having effects such as
A blower controller on an electric circuit board on which a microcomputer configured to include functions such as a memory is attached,
The present invention relates to a vehicle air conditioner in which at least one or more electrical components such as an air conditioning control sensor are centrally arranged and integrally mounted on an air conditioning unit.

[0002]

2. Description of the Related Art Conventionally, for example, Japanese Utility Model Application Laid-open No. Sho 62-1174.
In Japanese Patent Publication No. 80, a lid is attached to the side of an evaporator case that houses an evaporator of a refrigeration cycle,
By providing one thermoswitch having a heat-sensitive portion for sensing the temperature of the evaporator on the lid, a vehicle that can easily perform maintenance without removing the evaporator when the heat-sensitive portion of the thermoswitch fails. An air conditioner is described.

In a general vehicle air conditioner, as shown in FIG. 27, an air conditioner unit 100 for air-conditioning the vehicle interior and an air conditioner ECU 110 for controlling each air conditioner of the air conditioner unit 100 are provided. Have.
The air conditioning unit 100 has an evaporator case 101 that forms an air passage inside. In the evaporator case 101, a blower, an evaporator, a heater core, an air mix door, and an air outlet switching door are housed. A lid 103 having a connection port 102 connected to the blower is attached to a side surface of the evaporator.

[0004] The air conditioner ECU 110 is a well-known microcomputer having functions such as a CPU, a memory (ROM, RAM), and an input / output circuit.
It is mounted on one board (electric circuit board) called C board (printed circuit board), and sensor signals from control sensors such as a post-evaporation temperature sensor 104 and various switches installed on the air conditioner operation panel 105 , A blower controller 106 for driving the blower, a servomotor 107 for driving the air mix door, a servomotor 108 for driving the air outlet switching door, and the like are controlled based on the switch signal from the controller.

The control sensors such as the post-evaporation temperature sensor 104 and the air conditioning control electric components such as the air conditioner operation panel 105, the blower controller 106 and the servomotors 107 and 108 are independently provided on the instrument panel. Installed inside or nearby. For this reason, the electric components for air conditioning control are electrically connected to each other by a plurality of wire harnesses (wiring harnesses) 109.

[0006]

[Problems to be Solved by the Invention]
In the vehicle air conditioner described in JP-117480-A, only one thermoswitch is provided on the lid, so that the number of wires in the wire harness is reduced, the cost is reduced by integrating a plurality of electrical components, and the space is saved. It does not have the effect of reducing the number of assembly steps. Further, in the conventional vehicle air conditioner shown in FIG. 27, the electric components for air conditioning control are mutually connected by a plurality of wire harnesses 109.
For example, since the air conditioner ECU 110 is electrically connected to various sensors and various switches, the wiring harness 10
9 increases the number of electric wires. For this reason, the mounting space on the vehicle is very large, and the number of assembling steps is increased, resulting in a problem that the cost is increased.

[0007] Heating components such as the blower controller 106 are mounted so as to project holes into the evaporator case 101 so that cold air cooled by the evaporator is applied thereto. Noise rises due to ventilation resistance and the like. For this reason, since the heat-generating component is attached to the evaporator case 101 so as not to protrude into the air passage, the heat-generating component cannot be efficiently cooled, and the performance of the heat-generating component is deteriorated. Has occurred.

[0008]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a vehicle air conditioner which can reduce the number of wires of a wire harness connecting an air conditioning control circuit component and an electric component and can save space. It is in. Another object of the present invention is to provide a vehicle air conditioner capable of reducing product cost by reducing the number of steps for assembling the air conditioning control circuit component and the electric component. It is still another object of the present invention to provide a vehicle air conditioner capable of ensuring a contact pressure of a heat-sensitive portion of a post-evaporation temperature sensor with a side surface of an evaporator. It is another object of the present invention to provide an air conditioner for a vehicle that can reduce the number of wires and reduce costs, can prevent variations due to heat shrinkage, and can improve serviceability.

[0009]

According to the first aspect of the present invention, an air conditioning control circuit integrally mounted on an air conditioning unit having an air conditioning duct and including at least functions of a CPU, a memory, and the like. When electric power is supplied to the electric circuit board on which the components are mounted, it performs an electrical operation,
Connect one or more electrical components to one or more electrical components by centrally arranging one or more electrical components that input and output signals to and from the air conditioning control circuit components for modularization Since the number of wires of the wire harness to be used can be reduced, there are effects such as cost reduction, space saving, and reduction in the number of assembly steps. As a result, the number of steps for assembling the air conditioning control circuit component and one or more electric components can be reduced, so that the product cost of the vehicle air conditioner can be reduced.

According to the second aspect of the present invention, an electric circuit board on which an air conditioning control circuit component and one or more electric components are mounted is mounted on a cooling heat exchanger for cooling air flowing through the air conditioning duct. By attaching to the side surface, the air conditioning unit and the electric components can be integrated, and one or more electric components can be placed at an optimal position, for example, at least one position.
The individual electric components can be mounted at positions where they can be cooled. According to the third aspect of the present invention, by attaching the electric circuit board to the outlet side of the fluid pipe (refrigerant pipe) of the cooling heat exchanger such as an evaporator, it is possible to remove and attach the cooling heat exchanger. All maintenance such as replacement of electrical parts can be performed from one direction.

According to the fourth aspect of the present invention, the heat-generating component is attached to a side surface of a cooling heat exchanger such as an evaporator so as to be in contact with the side surface via an insulating member.
The heat of the heat-generating component can be efficiently radiated by the entire cooling heat exchanger whose temperature has been lowered. According to the fifth aspect of the present invention, the heat-generating component is constituted by the blower controller that controls the power supply to the blower motor of the blower that generates the airflow toward the passenger compartment. That is, by attaching the blower controller to the side of the cooling heat exchanger such as an evaporator via an insulating member, the heat of the blower controller can be efficiently reduced by the entire cooling heat exchanger whose temperature has been lowered. Since the heat can be radiated well, the air can be blown into the vehicle interior without lowering the blowing performance of the blower.

According to the sixth aspect of the present invention, the temperature sensor is attached to the side of the cooling heat exchanger such as an evaporator so that the temperature sensor does not contact the air conditioning duct. The temperature of the cooling heat exchanger can be accurately detected by the temperature sensor without being affected by the temperature around the air conditioning duct. According to the invention described in claim 7, the first actuator for driving the air outlet switching door, the second actuator for driving the air mix door, and the position detecting means for detecting the position of the first actuator or the second actuator. Can be directly mounted on the electric circuit board integrally mounted on the air conditioning duct of the air conditioning unit, thereby further reducing cost, space, assembling man-hours, and wire saving. That is, the connector and the wire harness that have been required for connection can be eliminated.

According to the present invention, the first electric component for electronically controlling the air conditioning unit, electronic meter control, light control, intermittent wiper control, multiplex communication, door lock control, power window control, etc. And a second electric component for performing body control of the air conditioning unit are centrally arranged on an electric circuit board integrally mounted on an air conditioning duct of the air conditioning unit, so that an electric device independently arranged inside or near the instrument panel is provided. Parts can be integrated. Thus, the heat generating portion of the second electric component can be cooled simultaneously with the heat generating portion of the first electric component. In addition, since a common power source can be used, further cost reduction, space saving, assembling man-hour reduction, and wire saving can be achieved.
Further, according to the ninth aspect of the present invention, a part of the air conditioning duct may be formed by the electric circuit board.

According to the tenth aspect of the present invention, the cooler unit case is integrally mounted on the outer wall surface of the cover case for closing the working window of the cooler unit case, and includes at least functions such as a CPU and a memory. When electric power is supplied to an electric circuit board on which an air conditioning control circuit component is mounted, one or more electric devices that perform electric operation and input and output signals to and from the air conditioning control circuit component. By modularizing the components by centrally arranging the components, a common power source can be used, so that the cost can be further reduced and the number of lines can be reduced. Also, by attaching the heat-sensitive portion of the post-evaporation temperature sensor mechanically attached to the electric circuit board and electrically connected to the air conditioning control circuit component or the electric component so as to contact the side surface of the evaporator, The side temperature of the evaporator can be accurately detected by the post-evaporation temperature sensor without the heat-sensitive portion of the temperature sensor being affected by the temperature around the evaporator lid case.

According to the eleventh or twelfth aspect of the present invention, the evaporator lid case is provided with a sensor pressing portion for pressing the heat-sensitive portion of the post-evaporation temperature sensor against the side surface of the evaporator, thereby allowing the evaporator lid case to be cooled. By simply mounting the unit case to the cooler unit case so as to close the work window, the heat-sensitive part of the post-evaporation temperature sensor can be installed and the contact pressure of the heat-sensitive part of the post-evaporation temperature sensor on the side of the evaporator can be secured. . According to the thirteenth aspect of the present invention, a leaf spring molded from a metal material is provided on the inner wall surface of the evaporator lid case, and the heat-sensitive portion of the post-evaporation temperature sensor is connected to the side temperature of the evaporator via the leaf spring. Is mounted in contact with a leaf spring to detect the

According to any one of the fourteenth to sixteenth aspects of the present invention, the provision of a substantially annular sealing material or a substantially plate-shaped sealing material prevents water leakage to the outside of the evaporation lid case. can do. Further, by providing a rubber-based sealing material for closing the through hole on the inner wall surface of the evaporator lid case, water leakage or air leakage to the outside of the evaporator lid case can be prevented. According to the seventeenth aspect of the present invention, the electric circuit board may form a part of the evaluation lid case.

According to the eighteenth aspect of the present invention, an air conditioning control circuit component including at least functions of a CPU, a memory, and the like inside a housing provided separately from an air conditioning duct of an air conditioning unit. And, when power is supplied, performs electrical operation, and centrally arranges one or more electric components for inputting and outputting signals to and from the air conditioning control circuit component, so that the air conditioning control circuit component and Since the number of electric wires in a wire harness connecting one or a plurality of electric components can be reduced, cost reduction, space saving, and assembling man-hours can be reduced. As a result, the number of steps for assembling the air conditioning control circuit component and one or more electric components can be reduced, so that the product cost of the vehicle air conditioner can be reduced.

Here, if the air-conditioning control circuit component and one or a plurality of electric components are collectively disposed in the housing as a part of the air-conditioning duct, the material (first resin) of the air-conditioning duct varies due to heat and molding. The large size causes a problem that it is difficult to align axes of an actuator such as a servomotor. Therefore, in order to solve the problem, in the invention according to claim 18, a housing for centrally disposing the air conditioning control circuit component and one or more electric components is formed separately from the air conditioning duct, and Is made of a second resin that is more resistant to thermal shrinkage than the first resin, for example, the axis alignment of an actuator such as a servomotor becomes easy.

According to the nineteenth aspect of the present invention, the electric component is connected to the first actuator for driving the outlet switching door,
A second actuator for driving the air mixing door, a potentiometer for detecting the opening of the air mixing door, a blower controller for controlling the power supply to the blower motor, and a detection value of an electric component which is one of a potentiometer and a sensor for air conditioning control. Based on this, the air conditioner may be configured by an electric circuit board on which air-conditioning control circuit components for electrically controlling the first and second actuators and the blower controller are mounted.

Here, if the air-conditioning control circuit component and one or a plurality of electrical components are collectively arranged in the housing as a part of the air-conditioning duct, the serviceability of the actuator such as the servo motor can be improved. When the electric parts are assembled in one housing, the air-conditioning control circuit parts and other electric parts must be replaced, resulting in poor serviceability. Therefore,
In order to solve the problem, in the invention according to the twentieth aspect, the housing in which the air-conditioning control circuit component and one or more electric components are centrally arranged is an electric housing in which the air-conditioning control circuit component and the blower controller are centrally arranged. It comprises a circuit board case containing a circuit board, and an actuator case containing a first actuator or a second actuator and a potentiometer. Thus, by making the circuit board case and the actuator case separate, the actuator case can be removed from the air conditioning duct independently of the circuit board case. Accordingly, when replacing the first actuator or the second actuator, it is only necessary to remove the actuator case, so that it is not necessary to attach and detach the air-conditioning control circuit components and other electric components, and the serviceability can be improved.

According to the twenty-first aspect, the actuator case is a cartridge type case. Then, the convex terminal portion of the actuator case is
By inserting into the concave terminal portion of the circuit board case, both electrical connection and mechanical connection can be performed. Thereby, since the part constituting the first actuator or the second actuator and the potentiometer which require serviceability is separated from the part constituting the electric circuit board, the first actuator or the second actuator and the potentiometer are separated. The constituent parts can be freely removed from the parts constituting the electric circuit board.

According to the invention described in claim 22, the actuator case is a cartridge type case. Then, the convex terminal portion of the actuator case is
You may make it electrically connect to the concave terminal part of a circuit board case via a flexible electric cable. According to the twenty-third aspect of the present invention, the lead wire of the side temperature sensor is electrically connected to the electric circuit board, and the lead wire of the side temperature sensor is connected to the board accommodating portion of the housing. May be provided so as to penetrate the hole formed in the hole. According to the invention described in claim 24, the housing in which the air-conditioning control circuit component and one or more electric components are centrally arranged is mounted on the outer wall surface of the cooler unit case that houses the cooling heat exchanger. It may be attached integrally.

According to the twenty-fifth aspect of the present invention, the heat-generating component is attached to a side surface of a cooling heat exchanger such as an evaporator through an insulating member to thereby provide a cooling device having a low temperature. The heat of the heat-generating component can be efficiently radiated by the entire heat exchanger. further,
According to the twenty-sixth aspect, the housing in which the air-conditioning control circuit components and one or more electric components are centrally arranged is integrally mounted on the outer wall surface of the blower unit case that houses the blower therein. Is also good.

According to the twenty-seventh aspect, at least the CPU extends over at least both the blower unit case including the blower and the blower side door and the heater unit case including the heater core and the heater side door. Air conditioning control module in which electric components such as an actuator for driving a blower side door and an actuator for driving a heater side door are collectively mounted on an electric circuit board on which an air conditioning control circuit component including functions such as a memory is mounted. By fixing the air conditioner, it is possible to have a role of integrally assembling the blower unit case and the heater unit case with the air conditioning control module.

According to the twenty-eighth aspect, the door drive shaft of the actuator for driving the blower-side door projects from one end of the air-conditioning control module, and the actuator for driving the heater-side door from the other end of the air conditioning control module. By projecting the door drive shaft, the door drive shaft and the blower-side door can be arranged close to each other, and the door drive shaft and the heater-side door can be arranged close to each other. According to the invention described in claim 29, the blower side door is an inside / outside air switching door for changing the inside / outside air mode, and the heater side door is an outlet switching for switching the outlet mode. At least one of a door or an air mix door for adjusting the temperature of the air blown into the vehicle compartment.

According to the thirtieth aspect of the present invention, a tubular communication member for communicating the installation location of the internal air temperature detecting means with the air suction means in the vehicle compartment, the output terminal of the internal air temperature detecting means and the air conditioning control circuit parts. By integrating with an electric wiring such as a wire harness for electrically connecting the input terminal, it is possible to reduce costs, save space, and reduce the number of assembly steps. Further, since the inside air temperature detecting means can be directly connected to the air conditioning control circuit component, the wire length of electric wiring such as a wire harness can be reduced. Claim 3
According to the first aspect of the present invention, the electric wiring is integrally formed in a spiral shape with the communication member to form a communication member of an electric wiring integrated type, for example, which is very long in the pipe direction, and has a length corresponding to a vehicle type. By cutting to a flexible general-purpose communication member.

According to the thirty-second aspect of the present invention, the interior air temperature is detected by integrating the interior air suction means for sucking the air in the interior of the vehicle and the interior air temperature detecting means for detecting the air temperature in the interior of the vehicle. The wire length of an electric wiring such as a wire harness connecting the output terminal of the detection means and the input terminal of the air conditioning control circuit component can be reduced. According to the invention of claim 33, by mounting the vehicle interior air suction means integrally with the air conditioning unit or the air conditioning control module,
The electric wiring connecting the output terminal of the inside air temperature detection means and the input terminal of the air conditioning control circuit component can be eliminated. According to the invention of claim 34, the air conditioning control circuit component is a microcomputer.

[0028]

DESCRIPTION OF THE PREFERRED EMBODIMENTS [Configuration of First Embodiment] FIGS. 1 to 5 show a first embodiment of the present invention.
(A), (b) is a diagram showing an air-conditioning lid case to which an electric circuit board is assembled, FIG. 2 is a diagram showing a semi-center type air conditioning unit, and FIG. 3 is an instrument panel of a vehicle such as an automobile. FIG. 4 is a diagram showing an entire configuration of an automobile air conditioner.

The automobile air conditioner of this embodiment is
A semi-center type air-conditioning unit (air-conditioning unit) that is installed in the center console in the vehicle compartment and has both cooling and heating functions to cool, dehumidify, or heat the air flowing into the vehicle compartment to make the vehicle interior comfortable. ) 1
And a microcomputer 90 for electrically controlling each air conditioner (actuator) assembled in the air conditioner unit 1 to automatically control the temperature and the amount of air blown in the vehicle.
And an air-conditioning control device (hereinafter referred to as an air-conditioning ECU) 10 which is mounted on an electric circuit board 9.

The air conditioning unit 1 has an air conditioning duct 3 inside which an air passage 2 is formed. This air conditioning duct 3
Is integrally formed of, for example, a polypropylene resin (PP). And, on the air upstream side of the air conditioning duct 3,
Inside / outside air switching means for switching between inside / outside air (suction port) mode,
And a centrifugal blower (both not shown) for generating an airflow toward the vehicle interior.

The inside / outside air switching means includes an inside air suction port 4a for sucking vehicle interior air (hereinafter referred to as inside air) and an outside air suction port 4 for sucking vehicle outside air (hereinafter referred to as outside air).
b, an inside / outside air switching box 5 formed with a b, an inside / outside air switching door 5 for changing the inside / outside air mode by selectively opening and closing the inside air suction port 4a or the outside air suction port 4b, and the inside / outside air switching door 5 And a servo motor 6 as an actuator for driving the motor.

The centrifugal blower is connected to the air downstream side of the inside / outside air switching means and has a scroll case 11 having a bell mouth-shaped suction port, and a centrifugal fan 12 rotatably accommodated in the scroll case 11. And a blower motor 13 for driving the centrifugal fan 12 to rotate, and a blower drive circuit (hereinafter referred to as a blower controller) 14 for controlling the power supply to the blower motor 13.

An air outlet switching means for switching the air outlet mode is provided downstream of the air conditioning duct 3 in the air. The outlet switching means has an evaporator case (also called a heater case) 7 as a cooler unit case forming an outlet switching box. In the evaporator case 7, an evaporator 15, a heater core 16, and an air mix (A / M) door 17 are accommodated.

First, the evaporator 15 is connected to the air conditioning duct 3.
This is a cooling heat exchanger that cools air by exchanging heat between air flowing through the inside and a refrigerant, and is one of the elements that constitute a refrigeration cycle of an automotive auto air conditioner. The refrigeration cycle of the present embodiment includes
2, receiver 23, expansion valve 24 and evaporator 15
The refrigerant is circulated through the compressor 21 to the compressor 21. The compressor 21 includes an electromagnetic clutch 2 controlled to be energized by a compressor drive circuit 25.
The motor 6 is driven to rotate by transmitting the rotational power of the engine via the motor 6.

Next, the heater core 16 is a heating heat exchanger that heats the air flowing through the air-conditioning duct 3 by exchanging heat with the cooling water using the cooling water of the engine of the automobile as a heat source for heating. The A / M door 17 adjusts the amount of air passing through the heater core 16 and the amount of air bypassing the heater core 16 in accordance with the opening degree set by the servo motor 18 as the second actuator, and thereby adjusts the vehicle interior. Adjust the temperature of the air to be blown out. The servo motor 1
8 is provided with a potentiometer (corresponding to the position detecting means of the present invention) 19 for detecting the opening of the A / M door 17, and is connected to an input terminal of a microcomputer 90 of the air conditioner ECU 10.

On the downstream side of the evaporator case 7, a defroster (DEF) outlet 7 a, a center face (FACE) outlet 7 b and a side face (FACE) outlet 7 c, and a front foot (FOO)
T) Air outlet 7d and rear foot (FOOT) air outlet 7e
Are formed.

The DEF outlet 7a is an outlet for blowing conditioned air (mainly warm air) toward the inner surface of the windshield 30 in the vehicle compartment. The FACE outlets 7b and 7c
This is an outlet for blowing out conditioned air (mainly cold air) toward the head and chest of a vehicle occupant. The FOOT outlet 7d is an outlet for blowing out conditioned air (mainly warm air) toward the foot of the vehicle occupant in the front seat, and the FOOT outlet 7e is directed to the foot of the vehicle occupant in the rear seat. This is an outlet for blowing air-conditioned air (mainly hot air).

At least the DEF outlets 7a, F
The ACE outlet 7b and the FOOT outlet 7d are configured to be selectively opened and closed by mode switching doors (air outlet switching doors) 31 to 33. These mode switching doors 31 to 33 are driven by servomotors 34 to 36 as first actuators. Here, as shown in FIG. 5, a gear reduction mechanism is assembled to each of the servo motors 6, 18, 34 to 36.

This gear reduction mechanism is composed of servo motors 6, 1
The worm gear 41 is attached to the rotation shafts 40 of the motors 8 and 34 to 36. The worm gear 41 includes the helical gear 4
2 is engaged. On the output side of the helical gear 42, a spur gear 43 is integrally formed. A bearing 44 rotatably supports the rotating shaft 45 of the bevel gear 42 and the spur gear 43.

The air conditioner ECU 10 is activated when an ignition switch (IG / S / W) 46 or an accessory switch (ACC / S / W) 47 is turned on. The air conditioner ECU 10 includes a CPU (arithmetic unit, control unit, and register unit). Central processing unit), ROM (read only memory), RAM
(Memory that can read and write), input / output circuit (I / O port), A / D conversion circuit (A / D converter),
Air conditioning control microcomputer (one-board computer) 90 including functions such as a timer circuit
It consists of. This microcomputer 90
Corresponds to an air conditioning control circuit component of the present invention, and constitutes an air conditioning control integrated circuit or an air conditioning control electronic circuit;
It is covered by a CU cover (not shown).

In this embodiment, as the microcomputer 90, a multichip microcomputer having all of these functions constituted by a plurality of LSIs is used. Therefore, the microcomputer 90
At least a CPU, a ROM, and a ROM are mounted on one board, that is, an electric circuit board 9 called a PC board (printed circuit board).
A plurality of LSIs constituting the AM and I / O ports are mounted. Note that the plurality of LSIs are one-chip C
LSI (9) constituting PU (microprocessor)
1), LS composed of memory (ROM, RAM)
I (92, 93) and input / output circuit (I / O port)
And the like.

The output terminal of the microcomputer 90 is connected to the blower controller 14, the compressor drive circuit 25, and the servomotors 6, 18, 34 to 36. Since the microcomputer 90 and its peripheral circuits are configured to operate at +5 V, the microcomputer 90 has a power supply circuit 49 for supplying a +5 V voltage using the battery 48 as a power supply. Here, the air conditioner ECU 10 may be configured by all electric components (air conditioning control circuit components, drive motor components, and the like) mounted on the electric circuit board 9.

An input terminal of the microcomputer 90 is connected to an instrument panel (also referred to as a dash panel or a dashboard) provided at the front of the interior of the vehicle.
Various switches of an air-conditioner operation panel 51 installed in 50, an internal temperature sensor (internal temperature detecting means) 52, an external temperature sensor (external temperature detecting means) 53, a solar radiation sensor (solar radiation detecting means) 54, a temperature sensor after cooling (cooling) Degree detection means) 5
5, various sensors such as a coolant temperature sensor (coolant temperature detecting means) 56, a refrigerant pressure sensor (refrigerant pressure detecting means) 57, an engine rotational speed sensor (engine rotational speed detecting means) 58, and a vehicle speed sensor (vehicle speed detecting means) 59 Is converted into a digital signal by an A / D conversion circuit.

Of these, the post-evaporation temperature sensor 55 is a temperature sensor for detecting the side surface temperature of the evaporator 15, and the end of the lead wire 62 is mechanically attached to the electric circuit board 9. The post-evaporation temperature sensor 55 includes a heat-sensitive part (sender part) 61 disposed inside the evaporator case 7 via a lead wire 62 electrically connected to the microcomputer 90 and a side plate of the evaporator 15 (the present invention). (Corresponding to the side surface of the cooling heat exchanger).

The refrigerant pressure sensor 57 detects a high pressure or a low pressure of the refrigeration cycle. A thermistor is used for the inside air temperature sensor 52, the outside air temperature sensor 53, the post-evaporation temperature sensor 55, and the cooling water temperature sensor 56. The post-evaporation temperature sensor 55 is connected to the evaporator 15.
May be installed so as to detect the air temperature immediately after passing through.

Here, the working window provided on the side surface of the evaporator case 7 of the present embodiment, that is, the evaporator 15
An evaporator lid case 8 made of, for example, polypropylene resin (PP) is detachably attached to the side surface of the device by fastening or the like. As shown in FIG. 1A, FIG. 1B and FIG. 2, a microcomputer, a blower controller 14, a servomotor 18, 34 to 36,
One electric circuit board 9 for integrating electric components such as the potentiometer 19, the power supply circuit 49, and the post-evaporation temperature sensor 55 is integrally mounted.

A connection port 8 a for communicating with the downstream side of the air of the centrifugal blower, that is, a discharge port of the scroll case 11, and a blower controller 1
A hole (not shown) is provided to expose the heat-sensitive portion 61 of the temperature sensor 4 and the post-evaporation temperature sensor 55 to the inside of the air passage 2. The blower controller 14 is, for example, an MO
A heat-generating component such as an SFET, which comes into contact with a side plate of the evaporator 15 (corresponding to a side surface of the cooling heat exchanger of the present invention) via an insulating sheet (not shown) as an insulating member having excellent electrical insulation properties. So that it is attached.

The electric circuit board 9 is, for example, an electric wiring board (air-conditioning control circuit board, EC
U board, PC board, printed circuit board, and one board), which are integrally mounted on the outer wall surface of the evaluation lid case 8. Specifically, it is fixed by bonding or fastening so as to close a hole formed in the evaluation lid case 8. The electric circuit board 9 may house a printed circuit board-shaped bus bar (metal connection piece) and may be connected to a junction block (J / B) incorporating components such as a relay, a fuse, and a circuit breaker.

[Features of the First Embodiment] Next, the features of the automotive air conditioner of the present embodiment will be briefly described with reference to FIGS.

In the present embodiment, the microcomputer 90, the blower controller 14, the servo motors 18, 34 to 34 are mounted on the electric circuit board 9 integrally mounted on the outer wall surface of the evaporator lid case 8 located on the side of the evaporator 15. 36,
Electrical components (corresponding to the first electricity of the present invention) such as the potentiometer 19, the power supply circuit 49 and the post-evaporation temperature sensor 55 are directly and intensively mounted.

This eliminates the need for connectors, wire harnesses, and lead wires, which are required for connecting electric components with each other in the prior art. Thereby, the blower controller 14, the servomotors 18, 3
4 to 36, the potentiometer 19, the power supply circuit 49 and the post-evaporation temperature sensor 55 can be significantly reduced in the number of wire harnesses and lead wires for connecting the microcomputer 90 to the microcomputer 90.

In this embodiment, for example, MOSFE
A blower controller 14 composed of T or the like is attached to a side surface of the evaporator 15. That is, the heat-generating portion of the blower controller 14 mounted on the electric circuit board 9 is made to protrude toward the evaporator 15 from the hole of the evaporator cover case 8, and the heat-generating portion contacts the side plate of the evaporator 15 via the insulating sheet. In this way, the heat generating portion of the blower controller 14 is cooled (air-cooled).

Thus, the cooling fins can be eliminated for the heat-generating components that have been cooled by the cooling fins that protrude largely into the air passage in the conventional technology. Further, by eliminating the cooling fins, the ventilation resistance in the air passage 2 can be reduced, so that it is possible to contribute to the reduction of noise during the operation of the automotive air conditioner. For this reason, the heat generating portion of the blower controller 14 can be efficiently cooled, so that the performance of the blower controller 14 can be improved.

Further, since the heat-sensitive part (sender part) of the post-evaporation temperature sensor 55 is brought into contact with the side surface of the evaporator 15 so as to detect the side surface temperature of the evaporator 15, the post-evaporation temperature sensor 55 is mounted on the evaporator cover. There is no contact with the case 8. Thus, the side temperature of the evaporator 15 can be accurately detected by the post-evaporation temperature sensor 55 without being affected by the surrounding temperature of the evaporator case 8 and the evaporator case 7.

Here, in this embodiment, the output terminal of the microcomputer 90 is connected to the compressor drive circuit 25 and the servomotor 6, the input terminal of the microcomputer 90 and various switches of the air conditioner operation panel 51, the internal temperature sensor 52 Connection with the outside air temperature sensor 53, the solar radiation sensor 54, the cooling water temperature sensor 56, the refrigerant pressure sensor 57, the engine rotation speed sensor 58, and the vehicle speed sensor 59, that is, other electric components which are not centrally mounted on the electric circuit board 9 and the microcomputer. The connection with the input terminal 90 uses a flat wire and does not use a connector.

Then, the electric circuit board 9 of the
At the same time, an ECU cover that covers the electrical components concentrated on the vehicle is assembled, and other electrical components are connected.
As a result, flat wires (FP) can be connected to other electrical components that are not centrally mounted on the electric circuit board 9.
C, FFC), a bus bar, or the like can eliminate the connector. Furthermore, the number of wires of the wire harness and lead wires can be greatly reduced by performing multiplex communication with other body control ECUs and operation panels which are usually arranged inside or near the instrument panel 50. Can be.

As described above, in the automobile air conditioner of this embodiment, a plurality of electric components (air conditioning control circuit components) are mounted on the electric circuit board 9 integrally mounted on the evaporator case 8 of the evaporator case 7 of the air conditioning duct 3. And the number of connectors, wire harnesses, and the number of electric wires of lead wires can be greatly reduced by concentrating and modularizing the components such as drive motor components), so that space saving can be reduced. As a result, the number of steps for assembling electrical components for controlling the auto air conditioner for a vehicle can be significantly reduced, so that the cost can be reduced.

Further, the present invention is not limited to the electric parts used for controlling the automobile air conditioner.
Other ECUs for controlling the body, junction blocks (J / B), and second electric components such as wire harnesses and lead wires, which are arranged inside or in the vicinity of the vehicle, are also intensively mounted on the electric circuit board 9. The heat generating part of other electrical parts such as an integration relay (an integrated relay with multiple functions that can be directly attached to a junction block (J / B) where power supply and signal systems are concentrated without passing through wires) and IPS Can be cooled at the same time.

A power supply circuit 49 for supplying power to the microcomputer 90 is connected to another body control ECU.
Since it can be shared with the (second electric component), further cost reduction, reduction of the number of wires (reduction of the number of connectors, reduction of the number of wires of a wire harness and lead wires) and reduction of the number of assembling steps are aimed at. be able to.

[Structure of Second Embodiment] FIG. 6 shows a second embodiment of the present invention. FIG. 6 (a) is a plan view showing an evaluation lid case to which an electric circuit board is assembled. 6
(B) is a figure which shows the contact structure of the heat sensitive part of the temperature sensor after evaporation to the side surface of an evaporator.

In the present embodiment, similarly to the first embodiment, a work window provided on the side of the evaporator case 7,
That is, the microcomputer 90, the blower controller (heating element such as MOSFET) 14, the servo motor 1
Electrical components such as 8, 34 to 36, potentiometer 19 and power supply circuit 49 are centrally arranged (concentrated mounting).

Here, the post-evaporation temperature sensor 55 is a temperature sensor (thermistor) for detecting the temperature of the side surface of the evaporator 15 by bringing the heat-sensitive portion 61, which is the temperature detection portion, into contact with the side surface of the evaporator 15. An electric circuit is formed in such a manner that a lead wire 62 penetrates a hole (not shown) formed in the electric circuit board 9 mounted on the outer wall surface of the lid case 8 and an opening 63 formed in the lid case 8. It is electrically connected to the A / D conversion circuit of the microcomputer 90 on the surface of the substrate 9.

The sensor cover 8 is provided with a sensor pressing portion (hinge portion) 64 integrally formed of a resin material corresponding to the opening 63. The sensor pressing portion 64 has a concave portion 65 for holding the heat-sensitive portion 61 of the post-evaporation temperature sensor 55 on the distal end surface.
5 is provided so as to be elastically deformable so as to urge the heat sensitive portion 61 of the evaporator 15 toward the side surface of the evaporator 15.
It is possible to secure the contact pressure of the heat sensitive portion 61 to the side surface of the evaporator 15.

Further, between the inner wall surface of the evaporator lid case 8 and the side surface of the evaporator 15, substantially extends from the outer peripheral portion of the inner side surface of the sensor pressing portion 64 to the inner wall surface around the opening 63 of the evaporator lid case 8. An annular packing 66 is provided. The packing 66 has an outer peripheral end fixed to the inner wall surface of the evaporating lid case 8 using a bonding means such as an adhesive.
It is a sealing material for preventing water leakage and wind leakage to the outside of the device.

[Characteristics of the Second Embodiment] In the evaluation lid case 8 of the present embodiment, an electric circuit board 9 on which a plurality of electric components are centrally arranged, a post-evaporation temperature sensor 55 and a packing 66
Are assembled. In this state, the evaporator lid case 8 is assembled to the air conditioning unit (the side surface of the evaporator case 7). Here, the size of the gap (open space) between the side surface of the evaporator 15 and the inner wall surface of the evaporator lid case 8 may vary greatly due to the dimensional tolerance and the assembly tolerance of the components of the air conditioning unit. Even in such a case, the above-mentioned gap (space) can be absorbed by the sensor pressing portion 64 of the evaporator lid case 8, and the contact pressure of the heat-sensitive portion 61 of the post-evaporation temperature sensor 55 to the side surface of the evaporator 15. Can also be secured.

As described above, the contact portion of the heat-sensitive portion 61 of the post-evaporation temperature sensor 55 is used as a side plate on the side of the evaporator 15, and the air conditioner ECU 10 estimates the air temperature immediately after the evaporator 15 has passed from the side plate temperature. As a result, the post-evaporation temperature sensor 5
Since the mounting of 5 is also completed, there is no need to fix the post-evaporation temperature sensor to the rear surface of the evaporator by using a mounting bracket such as a clamp as in the conventional technique, and the assembling workability can be greatly improved.

In the present embodiment, not only the same effects as in the first embodiment can be achieved, but also the opening of the evaporator lid case 8 can be achieved by assembling the evaporator lid case 8 to the air conditioning unit (side surface of the evaporator case 7). Attachment of the packing 66 for closing the 63 in a liquid-tight or air-tight manner is also completed, and water leakage and air leakage to the outside of the evaporation lid case 8 can be prevented. Thereby, the assembling workability can be further improved.

[Third Embodiment] FIG. 7 shows a third embodiment of the present invention, and shows a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator.

In the present embodiment, the heat-sensing portion 61 of the post-evaporation temperature sensor 55 is formed by the sensor pressing portion (hinge portion) 64 integrally formed on the inner peripheral side of the opening 63 of the evaluation lid case 8.
The contact pressure on the side of the evaporator 15 is secured. Here, the packing 67 as a sealing material for closing the opening 63 of the evaporator lid case 8 is mounted between the outer wall surface of the evaporator lid case 8 and the back surface of the electric circuit board 9, and is further compared to the second embodiment. This is to improve the waterproofness of the lid case 8. The packing 67 is bonded to the back surface of the electric circuit board 9 by using a bonding means such as an adhesive, and the electric circuit board 9 is attached to the outer wall surface of the evaluation lid case 8 by using a fastener. It is mounted between the outer wall surface of the lid case 8 and the back surface of the electric circuit board 9.

[Fourth Embodiment] FIG. 8 shows a fourth embodiment of the present invention, and shows a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator.

In this embodiment, a leaf spring 68 made of a metal material is provided on the inner wall surface side of the resin lid case 8. The leaf spring 68 comes into contact with the side surface of the evaporator 15 by attaching the evaporator lid case 8 to the air conditioning unit (the side surface of the evaporator case 7). Further, the post-evaporation temperature sensor 55 of the present embodiment includes a leaf spring 68.
The leaf spring 68 is fixed to the inner surface of the evaporator case 7 using a bonding means such as an adhesive, and contacts the side surface of the evaporator case 7.
Is to detect the temperature. In addition, the penetration portion 69 of the evaluation lid case 8 through which the lead wire 62 of the post-evaporation temperature sensor 55 penetrates is provided to make the evaluation lid case 8 waterproof.
Sealed with a rubber seal material 70 such as butyl rubber.

[Fifth Embodiment] FIG. 9 shows a fifth embodiment of the present invention, and shows a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator.

The heat-sensitive portion 71 of the post-evaporation temperature sensor 55 of the present embodiment is electrically connected to the back surface of the electric circuit board 9 by a lead wire 72 with the evaporator cover case 8 interposed therebetween. The rubber packing 73 installed between the inner wall surface of the evaporator cover case 8 and the heat-sensitive part 71 of the post-evaporation temperature sensor 55 is used when the evaporator cover case 8 is assembled to the air conditioning unit (the side surface of the evaporator case 7). The contact pressure of the heat-sensitive portion 71 of the post-evaporation temperature sensor 55 to the side surface of the evaporator 15 is ensured. In addition, the penetration part 7 of the evaporation lid case 8 through which the lead wire 72 of the post-evaporation temperature sensor 55 penetrates
4 is sealed with a rubber-based sealing material 75 such as butyl rubber in order to prevent air leakage from the air conditioning unit (evaporating lid case 8).

[Structure of Sixth Embodiment] FIGS. 10 to 1
2 shows a sixth embodiment of the present invention, FIG. 10 is a diagram showing an air-conditioning control module in which a plurality of electric components are integrated in an evaluation lid case, and FIG. It is a figure showing a contact structure to an evaporator side.

In this embodiment, the first side of the evaporator 15, that is, the side of the side plate 15 a of the evaporator 15, is made of a first resin such as polypropylene resin (PP).
An resin lid case 8 is detachably attached by fastening or the like. The blower controller 14 and the microcomputer 90 are centrally disposed on the outer wall surface of the evaporator lid case 8, the post-evaporation temperature sensor 55, and the servomotor of the A / M door 17 (the second embodiment of the present invention).
ECU housing 2 containing an air-conditioning control module (air-conditioning control module) 200 integrating a plurality of electric components (e.g., an actuator) 18 and a potentiometer 19 (air-conditioning control circuit components, drive motor components, etc.)
01 is integrally formed.

Here, the blower controller 14 has a heat-generating component 14a such as a MOSFET, and a heat buffer 14b to which the heat-generating component 14a is joined, and a side plate of the evaporator 15 (a side surface of the cooling heat exchanger of the present invention). ) Is attached to the side plate 15a by using a fastener such as a screw 14c so as to come into contact with an insulating sheet (equivalent to the insulating member of the present invention) 211 having excellent electrical insulation. Note that the heat-generating component 1
The three terminals 4a are arranged so as to protrude from the back surface of the electric circuit board 9 to the front side through three holes formed in the electric circuit board 9. Further, the blower controller 14 includes a plurality of bus bars (metal connection pieces) 212 for electrically connecting the heat-generating component 14 a and two circuits of the blower motor 13 and two circuits of the battery (+ B) and the ground (GND). An integrated insulating substrate 213 is provided.

In the air conditioner ECU 10 of this embodiment, the microcomputer 90, the heat-generating component 14 a of the blower controller 14, the external connection terminal 120, and the post-evaporation temperature sensor (air-conditioning control sensor) 55 are centrally arranged on the electric circuit board 9. In this state, it is accommodated in the ECU housing 201 and packaged with the ECU cover 204 attached. The microcomputer 90 includes at least functions of a CPU, a memory (ROM, RAM), an input / output circuit, an A / D conversion circuit, a timer circuit, and the like, and is mounted on the surface of the electric circuit board 9. And a plurality of LSIs 91 to 93.

The external connection terminal section 120 is a part constituting a connector, and is provided with an ignition switch (IG) 4.
6. An air conditioner operation panel 51, an outside air temperature sensor (air conditioning control sensor) 53, an infrared (IR) sensor 94, and the like are electrically and mechanically connected via a wire harness (not shown). The infrared sensor 94 is an air-conditioning control sensor that also serves as an internal temperature sensor and a solar radiation sensor.
The reference numeral 95 designates the electric circuit board 9 as the ECU housing 201.
It is a screw for assembling.

The post-evaporation temperature sensor 55 of this embodiment corresponds to the side temperature sensor of the present invention, and is constituted by, for example, a heat-sensitive portion 71 such as a thermistor and a lead wire 72. As shown in FIGS. 10 and 11, the heat-sensing portion 71 is electrically connected to the back surface of the electric circuit board 9 with the lead wire 72 interposed therebetween. Then, between the inner wall surface of the evaporator lid case 8 and the heat-sensitive part 71, the heat-sensitive part 71 of the post-evaporation temperature sensor 55 when the evaporator lid case 8 is assembled on the side surface of the evaporator case 7.
A rubber packing 73 for ensuring a contact pressure on the side surface of the evaporator 15 is mounted. The through-hole 74 formed on the bottom wall surface of the ECU housing 201 is a hole through which the lead wire 72 of the post-evaporation temperature sensor 55 passes, and forms a part of the evaporator case 7 as in the fifth embodiment. To prevent air leakage from the ECU housing 201, the ECU housing 201 may be sealed with a rubber-based sealing material.

The servo motor 18 of the A / M door 17 corresponds to the second actuator of the present invention, and the worm gear 221 is fixed to the output shaft of the servo motor 18. The output shaft of the servo motor 18 protrudes from both end surfaces of the motor case, and O-rings 121 and 122 as seal materials are mounted on the outer periphery of the protruding portion. Further, the servo motor 18 is housed in the ECU housing 201 via a cushion 123 for suppressing vibration. In addition to the servomotor 18 of the A / M door 17, servomotors of the mode switching doors 31 to 33 (corresponding to the first actuator of the present invention) 34 to 36
May be added. Further, the servo motors 34 to 36 of the mode switching doors 31 to 33 are constituted by one servo motor, and one servo motor and each of the mode switching doors 31 to 33 are provided.
May be drivingly connected via a link mechanism.

Worm gear 221 of servo motor 18
Transmits rotational torque to an output gear 224 that drives a shaft (not shown) of the A / M door 17 via reduction gears 222 and 223. The output gear 224 is provided with a rotation shaft 225 that forms the center of rotation. The potentiometer 19 includes a contact plate 19a that rotates integrally with the rotating shaft 225 and an electric contact portion (fixed contact) that contacts the contact plate (movable contact) 19a and outputs an opening signal of the A / M door 17. ) 19b and the like. The electric contact portion 19b is fixed to an outer wall surface of the ECU housing 201. The servo motor 18, the worm gear 221, the reduction gears 222, 22
3 and output gear 224 drive servo (drive unit)
Is configured.

The ECU housing 201 corresponds to the housing of the present invention, and is provided with a first resin-made evaporator lid case 8.
A rib portion formed integrally with the resin in a convex shape on the outer wall surface of the blower.
a first accommodating part 231 accommodating the heat buffer 14b to which the a is joined, a second accommodating part (ECU accommodating part, corresponding to the substrate accommodating part of the present invention) 232 accommodating the electric circuit board (air conditioner ECU) 10; The servo motor 18 of the A / M door 17 and the third housing part (servo motor housing part) 233 for housing the potentiometer 19 are sealed by an ECU cover 204 in a liquid-tight manner.

A convex partition 234 is provided between the first and second storage portions 231 and 232, and a convex partition 235 is provided between the second and third storage portions 232 and 233. Is provided. Further, the first housing portion 231 has a rectangular hole 236 for exposing the heat-generating component 14 a such as the MOSFET of the blower controller 14 in the evaporator case 7.
Is provided. Further, a circular through portion (hole) 74 through which the lead wire 72 of the post-evaporation temperature sensor 55 penetrates is formed on the bottom wall surface of the second housing portion 232.

The ECU cover 204 is integrally formed of a first resin of the same material as that of the ECU housing 201, and is connected to the heat buffer 14 with fasteners such as screws 241.
b, and is fastened and fixed to the outer wall surface around the ECU housing 201 of the evaluation lid case 8 by fasteners such as screws 242. The ECU cover 20
4 includes a plurality of bus bars 2 of the blower controller 14.
12 and is integrally formed such that two connector portions 243 and 244 capable of fitting into and out of the vehicle-side connector portion (not shown) are protruded to the side of the evaporator 15 while being held in a liquid-tight manner. Have been.

The ECU cover 204 holds a plurality of external connection terminals (connector pins) erected on the external connection terminal section 120 in a liquid-tight manner, and connects to the vehicle-side connector section (not shown). A connector portion 245 that can be fitted into the concave and convex portions is integrally formed so as to protrude to the side of the evaporator 15. The bottom wall surface (outer wall surface of the lid case 8) of the third housing portion 233 of the ECU housing 201 and the ECU cover 204 project from both end surfaces of the output gear 224 of the servo motor 18 of the A / M door 17. Are formed with bearing holes 246 and 247 for rotatably supporting the rotating shaft 225 provided in the motor.

[Characteristics of Sixth Embodiment] In the conventional vehicle air conditioner, as shown in FIG. 28, the electric circuit board (air conditioner ECU) 110 is arranged in a different place from the air conditioning unit 100. An air conditioner ECU 111, an A / M door servo motor 107, a post-evaporation temperature sensor (thermistor) 104, a blower controller 106 for controlling the power supply to the blower motor 111, and an air conditioner ECU 11
0 and various switches installed on the air conditioner operation panel 105, an outside temperature sensor 112, a solar radiation sensor 113, an inside temperature sensor 114, a heater relay 115, an IG switch 11
6, battery (+ B) 117, ground (GND) 118
Are connected via a wire harness (33 circuits) wired to the vehicle.

In the vehicle air conditioner of this embodiment, the air conditioner ECU 10 is integrated with the outer wall surface of the evaporator lid case 8 for closing the working window of the evaporator case 7 constituting a part of the air conditioning duct 3 of the air conditioning unit 1. As shown in FIGS. 10 to 12, each air conditioning control circuit component and drive motor components are directly connected to the air conditioning ECU 10 to form the air conditioning control module 200, thereby reducing the number of wires of the vehicle wiring harness to 11 circuits. Therefore, cost reduction, space saving, wire saving, and reduction in the number of assembly steps can be achieved. In the present embodiment, by eliminating the heater relay 115 and providing an infrared (IR) sensor 94 that also serves as a solar radiation sensor and an internal temperature sensor,
The number of wires in the wire harness has been reduced.

Seventh Embodiment FIG. 13 shows a seventh embodiment of the present invention, and is a diagram showing an air conditioning control module in which a plurality of electric components are integrated.

Here, the sixth embodiment (FIGS. 10 to 1)
As shown in FIG. 2), when the ECU housing 201 is integrally formed with the evaporative lid case 8 which is a part of the air conditioning duct 3, the material of the evaporative lid case 8 (generally, a polypropylene resin: PP or the like) is used. 1 resin), the case size of the evaporation lid case 8 varies due to temperature environment conditions (for example, 80 ° C. to −20 ° C.), and in particular, there is a problem that shaft accuracy (gear) of a driving unit such as the servo motor 18 does not appear. there were. Further, in terms of maintenance (service), when one of the plurality of electric components housed in the ECU housing 201 fails, the entire evaporator case 8 is removed from the evaporator case 7 and the entire evaporator case 8 is removed. It has to be replaced, and there is a problem that workability at the time of replacement of electric parts is poor.

Therefore, a plurality of electric parts are separated from the air-conditioning lid case 8 which is a part of the air-conditioning duct 3, and a plurality of electric parts are formed.
A CU housing 210 is newly provided and is separate from the evaporator lid case 8 and is made of a second resin (for example, PP-G30) containing glass fiber which is less thermally shrinkable than the first resin. Each electric part is stored. The air conditioning control module 200 accommodated in the ECU housing 210 is integrally mounted on the evaporator lid case 8 mounted on the side surface of the evaporator case 7 of the air conditioning duct 3, so that the above-described variation due to the heat shrinkage and serviceability can be reduced. Has improved. Here, in the present embodiment, similarly to the sixth embodiment, the air conditioner ECU 10 in which the blower controller 14 and the microcomputer 90 are centrally arranged on the electric circuit board 9, the post-evaporation temperature sensor 55, and the A / M door 17
Servo motor 18, potentiometer 19 and EC
Air conditioning control module 20 by U housing 210 or the like
0.

[Structure of Eighth Embodiment] FIG. 14 shows an eighth embodiment of the present invention and is a diagram showing an air conditioning control module in which a plurality of electric components are integrated.

The ECU housing of this embodiment includes a main body case (corresponding to a circuit board case of the present invention) 202 and an ECU cover 205, and at least one or more drive servo cases (corresponding to an actuator case of the present invention) 203. It consists of: The microcomputer 90 is provided inside the main body case 202 and the ECU cover 205.
LSIs (Large Scale Integrated Circuits) 91 to 9
3. Blower controller 14 and post-evaporation temperature sensor 5
Air conditioner EC in which 5 is centrally arranged on an electric circuit board 9
U10 is accommodated.

In the drive servo case 203, a servo motor 18, a worm gear 221, a reduction gear 22
A drive unit constituted by 2, 223 and an output gear 224 and a potentiometer 19 are accommodated. The drive servo case 203 may be formed of a second resin, and the main body case 202 may be formed of a first resin such as PP. Further, a drive servo case incorporating a servo motor for the mode switching door may be added.

A concave terminal portion (connector portion) 251 for holding a plurality of connector pins in a liquid-tight manner is integrally formed at the end of the ECU cover 205 on the drive servo case 203 side. The ECU of the drive servo case 203
A convex terminal portion (connector portion) is provided at the end of the cover 205 side.
252 are integrally formed. The drive servo case 203 is connected to the concave terminal portion 251 of the ECU cover 205.
This is a cartridge type case capable of performing both electrical connection and mechanical connection by inserting a convex terminal portion 252 into the case.

[Characteristics of Eighth Embodiment] The air-conditioning control module 200 of the present embodiment has at least one air-conditioning control circuit component in which the air-conditioning ECU 10, the blower controller 14, and the post-evaporation temperature sensor 55 are integrally assembled.
A drive motor component (drive motor portion) including one or more servo motors 18 is configured separately.
The servo motor 1 is connected to a concave terminal portion 251 electrically connected to the air conditioner ECU 10 on the main body case 202 side.
By directly inserting the convex terminal portion 252 electrically connected to the potentiometer 8 and the potentiometer 19, the assembling property can be improved.

Further, at the time of replacing the servomotor 18, by removing only the cartridge type drive servo case 203, it is not necessary to remove all the electric components constituting the air conditioning control module 200, so that maintenance serviceability is improved. be able to. further,
Only general-purpose drive motor parts can be standardized not only for the A / M door servo motor 18 but also for the mode switching door servo motors 34 to 36, so that mass production is possible.

[Ninth Embodiment] FIG. 15 shows a ninth embodiment of the present invention and is a diagram showing an air conditioning control module in which a plurality of electric components are integrated.

In the present embodiment, only the drive motor parts (drive motor parts) are separate from the eighth embodiment, and are electrically connected by flexible electric cables (wire harness, flexible flat cable, etc.) 253. By doing so, the degree of freedom of the mounting position of the drive servo case 203 containing the drive motor components can be improved.
For example, the drive servo case 203 can be integrally mounted on the air conditioning duct 3 near the A / M door. In the case of a drive servo case incorporating a drive motor component such as a servo motor 6 of the inside / outside air switching door 5, the inside / outside air switching box 4
Can be integrally mounted on the vehicle.

[Structure of Tenth Embodiment] FIGS. 16 to 18 show a tenth embodiment of the present invention.
Is a diagram showing an air conditioning control module in which a plurality of electric components are integrated, FIG. 17 is a diagram showing an air conditioning control module integrated in an air conditioning unit, and FIG. 18 is a diagram showing a schematic structure of the air conditioning unit. is there.

The air-conditioning unit (air-conditioning unit) 1 according to the present embodiment includes an inside air suction port 311 or an outside air suction port 312.
Inside / outside air switching door (blower side door) 5 that selectively opens and closes
And a blower unit case (blower unit case) 301 containing a centrifugal fan (blower) 12 rotationally driven by a blower motor 13, and the evaporator 1
5. Heater core 16 and A / M door (heater side door)
And a heater unit case 303 having a built-in heater 17. In the blower unit case 301, the inside / outside air switching box and the scroll case 302 are integrally formed. Further, in the heater unit case 303, D
A mode switching door (heater side door) 31 for opening and closing the EF outlet 313, and a center and side FACE outlet 31
A mode switching door (heater side door) 37 for selectively opening and closing the FOOT outlet 4, 315 or FOOT outlet 316 is rotatably mounted.

The inside / outside air switching door 5, the A / M door 17
The two mode switching doors 31 and 37 are made of, for example, a door body made of a polypropylene resin, and door shafts 321 to 324 that rotate integrally with the door bodies, and packings attached to both surfaces of the door body. (Urethane foam) 325 to 328 and the like. And the scroll case 3 of the blower unit case 301
A first protruding boss portion (tightening support portion, screwing support portion, module mounting base) 331 for tightening and fixing the ECU housing 201 is provided on the side wall surface of the scroll case 30.
2 are integrally formed so as to protrude toward the heater unit case 303 from the side wall surface. On the side wall surface of the heater unit case 303, a second projecting boss portion (tightening support portion, screwing support portion, module mounting base) 332 for fastening and fixing the ECU housing 201 is provided on the side of the heater unit case 303. It is integrally formed so as to protrude from the wall surface toward the scroll case 302.

Here, the first projecting boss 331 has an EC
A first direct fixing portion (supported portion, screw fixing portion) 291 of the U housing 201 is fastened and fixed by using a fastener 333 such as a fixing bolt, a washer or a fixing screw. The second projecting boss portion 332 is provided with the ECU housing 20.
1 second direct fixing portion (supported portion, screw fixing portion) 292
Are fasteners 334 such as fixing bolts, washers and fixing screws.
It is fastened and fixed using. In addition, between the first direct fixing portion 291 of the ECU housing 201 and the first projecting boss portion 331 of the scroll case 302, and between the second direct fixing portion 292 and the second projecting boss portion 332 of the heater unit case 303. An anti-vibration rubber may be mounted between the two.

The air conditioner ECU 10 of the present embodiment has an EC
It is housed in the U housing 201 and packaged with an ECU cover (not shown) attached. That is, an ECU housing 201 accommodating an air-conditioning control module (air-conditioning control module) 200 integrating a plurality of electric components (air-conditioning control circuit components, drive motor components, and the like) is integrally mounted on the outer wall surface of the air-conditioning unit 1. ing. The plurality of electric components include the electric circuit board 9 on which the blower controller 14 and the microcomputer 90 are centrally arranged, the post-evaporation temperature sensor 55, the servomotor (first actuator) 6 of the inside / outside air switching door 5, the A / M door 17 servo motor (second actuator) 18, A
/ M Potentiometer 19 of door 17 and servo motor (third actuator) of mode switching doors 31, 37
38 and so on. The input circuit of the microcomputer 90 includes an air conditioner operation panel 51 and an internal temperature sensor 5.
2. The outside temperature sensor 53 and the solar radiation sensor 54 are connected.

Therefore, the air-conditioning unit 1 of this embodiment
The air-conditioning control module 200 in which electric components are integrated as described above is installed between the blower unit case 301 and the heater unit case 303. Specifically, it is fastened and fixed. And the air conditioning control module 20
As described above, the servo motor 6 of the inside / outside air switching door 5, the servo motor 18 of the A / M door 17, the potentiometer 19 of the A / M door 17, and the mode switching door 31, 37 servo motors 38 are built in.

An output shaft (door drive shaft) 341 of the servo motor 6 protrudes from one end (blower side) of the ECU housing 201 toward the blower.
From the end surface on the other side (heater side) of the U housing 201, the output shafts (door drive shafts) 3 of the servo motors 18 and 38
42 and 343 protrude toward the heater. Also, ECU
A drive link mechanism for the inside / outside air switching door that is driven by the door drive shaft 341 to drive the door shaft 321 of the inside / outside air switching door 5 is provided on one side of the housing 201. The drive link mechanism includes a plurality of link plates 3
51, 352 and the like.

Then, on the other side of the ECU housing 201, the A / M door 17 is moved by the door drive shaft 342.
A drive link mechanism for the A / M door that drives the door shaft 322 is provided. This drive link mechanism includes a plurality of link plates 353, 354 and the like. On the other side of the ECU housing 201, the mode switching doors 31, 37 are moved by a door drive shaft 343.
A drive link mechanism for a mode switching door that drives the door shafts 323 and 324 is provided. This drive link mechanism includes a plurality of link plates 355 to 357 and the like.

[Features of Tenth Embodiment] As described above, in the air conditioning unit 1 of the present embodiment, the electric circuit board 9
By centrally arranging a plurality of electrical components (air conditioning control circuit components, drive motor components, etc.) into a module, the number of wires in the wire harness can be reduced, costs can be reduced by integrating multiple connectors, space can be saved, It is possible to provide effects such as reduction in the number of attachment steps.

Further, the air-conditioning control module 200 integrating the electric components as described above is
And the heater unit case 303 so that the dimensional accuracy with the drive link mechanisms on both sides is ensured, and the blower unit case 30 is secured.
1 and the heater unit case 303 are also integrated. The air conditioning control module 20
Since the door drive shafts 341 to 343 protrude from both surfaces of the door 0, the door drive shafts 341 to 343, the inside / outside air switching door 5, the A / M door 17, and the mode switching doors 31, 37 can be arranged close to each other. Therefore, a compact drive link mechanism can be formed, and cost reduction and space saving can be achieved.

Further, the air conditioning control module 200 is connected to the blower unit case 301 and the heater unit case 303.
And a bracket (integral case) for integrally mounting the blower unit case and the heater unit case as in the related art is unnecessary, and each blower unit case 301 and heater unit case 303 are unnecessary. Can be reduced in size, and the cost of molds and parts for molding each unit case with resin can be reduced.

[Structure of Eleventh Embodiment] FIGS. 19 to 23 show an eleventh embodiment of the present invention.
21 is a diagram showing an air conditioning control module in which a plurality of electric components are integrated, FIG. 20 is a diagram showing an air conditioning unit, and FIG.
1 is a front view showing an instrument panel of a vehicle such as an automobile.

The air conditioner ECU 10 of the present embodiment is provided with an EC
It is housed in the U housing 201 and packaged with an ECU cover (not shown) attached. That is, an ECU housing 201 that houses an air-conditioning control module (air-conditioning control module) 200 that integrates a plurality of electric components is integrally mounted on the outer wall surface of the air-conditioning unit 1. The plurality of electric components include the electric circuit board 9 on which the blower controller 14 and the microcomputer 90 are centrally arranged, the post-evaporation temperature sensor 55,
The servo motor 18 of the / M door 17, the potentiometer 19 of the A / M door 17, and the servo motor 38 of the mode switching doors 31 and 37. The input circuit of the microcomputer 90 is connected to an air conditioner operation panel 51, an internal air temperature sensor 52 as an internal air temperature detecting means, an external air temperature sensor 53 as an external air temperature detecting means, and a solar radiation sensor 54 as an insolation detecting means. I have. Thermistors having the same characteristics are used as temperature sensors such as the inside air temperature sensor 52, the outside air temperature sensor 53, and the post-evaporation temperature sensor 55.

Here, the internal air temperature sensor 52 for detecting the air temperature (internal air temperature) in the vehicle interior is provided by an aspirator hose 360.
In combination with the aspirator 370, the air in the passenger compartment is sucked in, and the average temperature in the passenger compartment can be detected. Note that an instrument panel (also referred to as a dash panel or dashboard) 50 has a DEF outlet 313 opened and closed by the mode switching door 31, a center opened and closed by the mode switching door 37, and a side FA.
A cylindrical wall 318 on which the CE outlets 314 and 315 and the internal temperature sensor 52 are installed is formed. The center,
Side FACE outlets 314 and 315 and air conditioning unit 1
Air conditioner unit case 300 is the face duct 30
5 are connected.

Further, a cover 319 having a plurality of ventilation holes is provided on the front surface of the cylindrical wall 318 of the instrument panel 50.
Is installed. The tubular wall 318 and the aspirator 370 are connected by a tubular aspirator hose 360. The aspirator 370 corresponds to the vehicle interior air suction means of the present invention, and is, for example, an ECU.
Polypropylene (PP) of the same material as the housing 201
Resin or ABS resin, as shown in FIG.
It is integrally mounted on the CU housing 201.

The aspirator 370 is formed in a tubular shape, and is a device for sucking air in the vehicle cabin through an aspirator hose 360 by an air flow sucking air from an air suction portion 371. And the aspirator 370
Is an air suction portion 37 for sucking air from an air passage (not shown) formed in the air conditioning unit case 300.
1, an air inlet 372 inserted into an outlet of the aspirator hose 360, and an air conditioning unit 1
And an air discharge portion 373 that discharges the outside of the ECU housing 201.

In this embodiment, as shown in FIGS. 20 and 22, for example, a two-wire type aspirator hose 360 (corresponding to a communication member of the present invention) made of synthetic rubber or bellows-like resin is used. A wire harness 361 for an inside air temperature sensor is attached. One end of the inside air temperature sensor wire harness 361 is electrically connected to an output terminal of the inside air temperature sensor 52, and the other end is electrically connected to an input circuit of the microcomputer 90.

[Characteristics of Eleventh Embodiment] Here, in a conventional air conditioner for a vehicle such as an automatic air conditioner for a vehicle, that is, a so-called air conditioner unit, an inside air temperature sensor attached to a front surface of an instrument panel has an inside air temperature sensor. A connector that holds a terminal connected to the output terminal of the sensor,
The wires are connected to the input circuit of the microcomputer of the air conditioner ECU via the wire harness on the instrument panel side and the main wire harness, and the wire length of each wire harness is long. In addition, the number of man-hours for assembling each wire harness increases.

On the other hand, in the air-conditioning unit 1 of the present embodiment, the so-called air-conditioning unit, the aspirator hose 36 is used.
0 and the internal temperature sensor wire harness 361 are integrated, so that cost reduction and
It is possible to save space and reduce the number of man-hours for assembling the wire harness. The wire harness 361 for the inside air temperature sensor is directly supplied from the inside air temperature sensor 52 to the air conditioner E.
Because it is connected to CU (air conditioning control module 200),
The wire length of the wire harness can be shortened, resulting in effects such as cost reduction and space saving.

Note that the wire harness 36 for the inside temperature sensor is used.
As shown in FIG. 22 and FIG. 23, a flexible general-purpose aspirator hose 360 can be obtained by integrally forming a spiral with the aspirator hose 360. The reason for this is that by manufacturing such an aspirator hose 360 integrated with the wire harness 361 for the inside air temperature sensor and cutting it by a necessary length, the connection between the installation location of the inside air temperature sensor 52 and the aspirator 370 will be described. The aspirator hose 360 of the present embodiment can be mounted on a vehicle having different distances and obstacles.

[Twelfth Embodiment] FIG. 24 shows a twelfth embodiment of the present invention.
It is a figure which shows 2nd Embodiment and which showed the internal temperature sensor integrated type aspirator.

In the present embodiment, the temperature sensing portion of the internal air temperature sensor 52 composed of a separate wire harness 362 for internal air temperature sensor, connector 363 and lead wire 364 is integrated with the aspirator 370 to provide an eleventh embodiment. Since the wire length of the internal temperature sensor wire harness 361 can be further shortened, there are effects such as cost reduction, space saving, and reduction in the number of assembly steps.

[Thirteenth Embodiment] FIG. 25 shows a thirteenth embodiment of the present invention.
It is a figure which shows 3rd Embodiment and which showed the internal temperature sensor integrated type aspirator.

In this embodiment, the temperature sensing part of the internal temperature sensor 52 connected to one end of the internal temperature sensor wire harness 365 is integrated with the aspirator 370, and the aspirator 370 is connected to the air conditioning control module (air conditioner control module) 200. By integrating them, the separate internal temperature sensor wire harness 362 can be eliminated. As a result, since the inside air temperature sensor 52 is directly connected to the air conditioning control module 200, the wire length of the wire harness can be shortened, the number of wires of the wire harness can be reduced, costs can be reduced, space can be saved, and assembly man-hours can be reduced. This has the effect of reducing the amount of light.

[Other Embodiments] In the present embodiment, at least two or more electric components are concentrated on the electric circuit board 9 mounted on the evaporator lid case 8 of the evaporator case (cooling unit case) 7. As shown in FIG. 26, an electric component concentration unit 60 having an electric circuit board disposed therein may be provided above the evaporator 15.
Further, the electric component concentration unit 60 may be located anywhere around the evaporator 15. Furthermore, an electric circuit board 9 or an air conditioner ECU 10 on which a plurality of electric components are centrally arranged may be mounted on a lid for attaching and detaching an air filter for catching foreign matter in the air flowing through the air conditioning duct 3.

In this embodiment, an example in which the present invention is applied to a semi-center type air conditioning unit 1 has been described.
The present invention is not limited to the air conditioning unit 1 of the semi-center type, but may be applied to, for example, a horizontal type air conditioning unit or an evaporator horizontal type air conditioning unit. Further, in the present embodiment, the electric circuit board 9 or the air conditioner ECU 10 on which a plurality of electric parts are centrally arranged is connected to the air conditioning duct 3.
Of the evaporator case (cooling unit case) 7 which is a part of the electronic circuit board 9 or the air conditioner ECU 1
0 may be integrally mounted on an outer wall surface or an inner wall surface of an intake (blower, blower) unit case forming the inside / outside air switching box 4 and the scroll case 11 constituting a part of the air conditioning duct 3.

In the first to fifth embodiments, the microcomputer 90, the blower controller 14, the servo motors 18, 34 to 36, the potentiometer 19, the power supply circuit 49 and the microcomputer 90 are mounted on the electric circuit board 9 of the evaporator case 8 of the evaporator case 7. Although the post-evaporation temperature sensor 55 is directly and intensively mounted, a servomotor 6 as an actuator for driving the inside / outside air switching door 5 may be mounted on the electric circuit board 9 in addition to the above. In the sixth to ninth embodiments, the air conditioner ECU 10 includes the microcomputer 9
0, blower controller 14 and post-evaporation temperature sensor 5
5 are centrally arranged, but in addition to these, the power supply circuit 4
9, any one of servo motors (first actuators) 34 to 36 of mode switching doors 31 to 33, servo motor (second actuator) 18 of A / M door 17, servo motor 6 of inside / outside air switching door 5, and potentiometer 19 One or more may be mounted in the air conditioner ECU 10.

In the present embodiment, the heat sensitive portion 71 of the post-evaporation temperature sensor 55 is configured to directly contact the side surface of the evaporator 15 to detect the temperature of the side surface of the evaporator 15. May be configured to directly contact a tube or a fin of the evaporator 15 to detect the surface temperature of the evaporator 15. Further, the heat-sensitive portion 71 of the post-evaporation temperature sensor 55 may be arranged in the air passage 2 immediately downstream of the evaporator 15 to detect the air temperature immediately downstream of the evaporator 15.

Further, not only the post-evaporation temperature sensor 55 for detecting the temperature of the air blown out from the evaporator 15, but also the suction temperature sensor for detecting the suction temperature of the air sucked into the evaporator 15, and the temperature of the air blown out from the air outlet An outlet temperature sensor that detects the outlet temperature is connected to the air conditioning duct 3.
It may be installed inside. Then, the suction temperature sensor and the blowing temperature sensor may be mounted on the electric circuit board 9 or the air conditioner ECU 10.

Here, the other body control of the air conditioner control includes an electronic meter with a CRT display, multi-information by a CRT, a compass, a light control,
Electronic control such as intermittent wiper, lamp disconnection detection, rear obstacle detection device, anti-theft, multiplex communication, door lock, power window, power seat, seat belt, car navigation, etc. Further, in the second to fifth embodiments, an example in which a plurality of electric components for air-conditioning control are arranged in a concentrated manner in the evaluation lid case 8 has been described. Post-evaporation temperature sensor 5 as in the fifth embodiment
A structure in which the heat-sensitive portions 61 and 72 of No. 5 contact the side surfaces of the evaporator 15 may be applied. Also in this case, the assembling workability can be improved.

In this embodiment, the microcomputer 9
A multi-chip microcomputer in which all functions such as a CPU, a ROM, a RAM, and an I / O port are constituted by a plurality of LSIs is used as 0, but all the functions are 1
A single-chip microcomputer constituted by a plurality of LSIs may be used. Instead of one or a plurality of LSIs in which a CPU, a ROM, a RAM, an I / O port and the like are integrated on one air conditioning control integrated circuit chip,
SSI, MSI or VLSI may be used. Also,
EPROM or EEPROM may be used as the ROM.

Further, only a one-chip CPU (microprocessor) may be mounted on the electric circuit board 9 as an air conditioning control circuit component. In addition, air conditioning control circuit parts, electric circuit boards (one board), resistors and capacitors are assembled into a one-board computer, and electric components used for air conditioning control (blower controller, post-evaporation temperature sensor, etc.) At least one of a control sensor, an actuator such as one or more servomotors,
Or more) may be integrated (concentrated arrangement). The air-conditioning control circuit components may be constituted by one LSI (microcomputer) including at least functions of a CPU and a memory (ROM, PROM, RAM). ,
It may be constituted by one LSI (microcomputer) including functions of PROM, RAM, I / O port).

In this embodiment, the microcomputer 9
An electronic control circuit for an automobile air conditioner is composed of the electric circuit board 9 and an electric circuit board 9 serving as an electric wiring board. The air conditioning control circuit components and the electric circuit board constitute an analog integrated circuit (automatic amplification IC, etc.) for a car air conditioner. Or an electric control circuit such as a digital integrated circuit (logic IC, memory IC, etc.). In this embodiment, the microcomputer 90 has an A / D conversion circuit (A / D converter) or a power supply circuit. However, the microcomputer 90 is separate from the A / D conversion circuit (A / D converter). converter)
Alternatively, a power supply circuit may be configured, and the A / D converter or the power supply circuit may be mounted on the electric circuit board 9. Further, a driver circuit for driving an actuator such as a servomotor may be formed separately from the microcomputer 90, and the driver circuit may be mounted on the electric circuit board 9.

[Brief description of the drawings]

FIG. 1A is a plan view showing an evaluation lid case to which an electric circuit board is attached, and FIG. 1B is a side view showing the evaluation lid case to which an electric circuit board is attached (first embodiment). .

FIG. 2 is an exploded view showing a semi-center type air conditioning unit (first embodiment).

FIG. 3 is a front view showing an instrument panel of a vehicle such as an automobile (first embodiment).

FIG. 4 is a configuration diagram showing an overall configuration of an automobile air conditioner (first embodiment).

FIG. 5 is a perspective view showing a speed reduction mechanism of the servomotor (first embodiment).

FIG. 6A is a plan view showing an evaporator lid case on which an electric circuit board is assembled, and FIG. 6B is a side view showing a contact structure of a heat-sensitive portion of a post-evaporation temperature sensor to a side surface of an evaporator. 2nd Embodiment).

FIG. 7 is a side view showing a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator (third embodiment).

FIG. 8 is a side view showing a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator (fourth embodiment).

FIG. 9 is a side view showing a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator (fifth embodiment).

FIG. 10 is an exploded view showing an air-conditioning control module in which electric components are integrated into an evaluation lid case (sixth embodiment).

FIG. 11 is a schematic diagram showing a structure in which a heat-sensitive portion of a post-evaporation temperature sensor contacts a side surface of an evaporator (sixth embodiment).

FIG. 12 is an exploded view showing an air conditioning control module in which a plurality of electric components are integrated (sixth embodiment).

FIG. 13 is a block diagram showing an air conditioning control module in which a plurality of electric components are integrated (seventh embodiment).

FIG. 14 is an exploded view showing an air conditioning control module in which a plurality of electric components are integrated (eighth embodiment).

FIG. 15 is an exploded view showing an air conditioning control module in which a plurality of electric components are integrated (ninth embodiment).

FIG. 16 is a block diagram showing an air conditioning control module in which a plurality of electric components are integrated (tenth embodiment).

FIG. 17 is a side view showing an air conditioning control module integrated with an air conditioning unit (tenth embodiment).

FIG. 18 is a sectional view showing a schematic structure of an air conditioning unit (tenth embodiment).

FIG. 19 is a block diagram showing an air conditioning control module in which a plurality of electric components are integrated (an eleventh embodiment).

FIG. 20 is a side view showing an air conditioning unit (an eleventh embodiment).
Embodiment).

FIG. 21 is a front view showing an instrument panel of a vehicle such as an automobile (an eleventh embodiment).

FIG. 22 is a side view showing an aspirator integrated with an air conditioning control module (11th embodiment).

FIG. 23 is a side view showing an aspirator hose in which a wire harness is integrally formed in a spiral shape (eleventh embodiment).

FIG. 24 is a sectional view showing an aspirator integrated with an internal temperature sensor (twelfth embodiment).

FIG. 25 is a sectional view showing an internal temperature sensor integrated type aspirator (a thirteenth embodiment).

FIG. 26 is a perspective view showing a semi-center type air conditioning unit (another embodiment).

FIG. 27 is an explanatory view showing electric components of a vehicle air conditioner (prior art).

FIG. 28 is a block diagram showing electric components of a vehicle air conditioner (prior art).

[Explanation of symbols]

Reference Signs List 1 air conditioning unit 2 air passage 3 air conditioning duct 5 inside / outside air switching door 6 servo motor 7 evaporator case 8 evaporator lid case 9 electric circuit board 10 air conditioner ECU (electric parts, first electric parts) 14 blower controller (electric parts, first electric parts) parts,
Heat generating parts) 15 Evaporator (cooling heat exchanger) 17 A / M door 18 Servo motor (electric part, first electric part, second actuator) 19 Potentiometer (electric part, first electric part, position detecting means) 31 Mode switching door (air outlet switching door) 32 Mode switching door (air outlet switching door) 33 Mode switching door (air outlet switching door) 34 Servo motor (electric part, first electric part, first actuator) 35 Servo motor ( Electric parts, first electric parts, first actuator) 36 Servo motor (electric parts, first electric parts, first actuator) 49 Power supply circuit (electric parts, first electric parts) 55 Temperature sensor (electric part) after evaporation , A first electrical component,
(Temperature sensor, side temperature sensor, air conditioning control sensor) 61 heat sensitive part 62 lead wire 63 opening 64 sensor pressing part 66 packing (seal material) 67 packing (seal material) 68 leaf spring 69 penetration part 70 rubber seal material 71 heat sensitive Part 72 Lead wire 74 Penetration part (hole part) 75 Rubber seal material 90 Microcomputer (air conditioning control circuit parts) 91 LSI 92 LSI 93 LSI 200 Air conditioning control module 201 ECU housing 202 Body case (circuit board case) 203 Drive servo case (Actuator case) 231 First accommodating section 232 Second accommodating section (substrate accommodating section) 233 Third accommodating section 236 Hole 251 Concave terminal section 252 Convex terminal section 253 Flexible electric cable

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Teruhiko Kameoka 1-1-1, Showa-cho, Kariya-shi, Aichi Prefecture Inside Denso Corporation (72) Inventor Shigeki Harada 1-1-1, Showa-cho, Kariya-shi, Aichi Prefecture Denso Corporation (72) Inventor Akihiro Hayakawa 1-1-1, Showa-cho, Kariya-shi, Aichi Pref. Akira Yamaguchi 1-1-1, Showa-cho, Kariya-shi, Aichi Prefecture Inside Denso Corporation (72) Inventor Hiroyuki Tomita 1-1-1, Showa-cho, Kariya City, Aichi Prefecture Inside Denso Corporation

Claims (34)

[Claims] (A) an air conditioning unit for making the interior of a vehicle compartment air-conditioned comfortably; and (b) integrally mounted on the air conditioning unit and including at least functions such as a CPU and a memory. An electric circuit board on which the air-conditioning control circuit component is mounted; and (c) an electric circuit mounted on the electric circuit board and electrically operated when electric power is supplied, and a signal transmission between the electric circuit board and the air-conditioning control circuit component. A vehicle air conditioner including an electric component for input and output. 2. The air conditioner for a vehicle according to claim 1, wherein the air conditioning unit includes an air conditioning duct for sending air into the vehicle interior, and a cooling heat exchanger for cooling or dehumidifying the air flowing in the air conditioning duct. An air conditioner for a vehicle, comprising a heat exchanger, wherein the electric circuit board is attached to a side surface of the cooling heat exchanger. 3. The vehicle air conditioner according to claim 2, wherein the cooling heat exchanger has a fluid pipe that communicates the inside and the outside of the cooling heat exchanger and through which the fluid flows. The air conditioner for a vehicle, wherein the electric circuit board is attached to a side of the cooling heat exchanger from which the fluid pipe is taken out. 4. The vehicle air conditioner according to claim 2, wherein the electric component is constituted by a heat-generating component that generates heat at least when electric power is supplied, and wherein the heat-generating component includes the cooling heat. An air conditioner for a vehicle, wherein the air conditioner is mounted so as to be in contact with a side surface of an exchanger via an insulating member. 5. The air conditioner for a vehicle according to claim 4, wherein the heat-generating component is a blower controller for controlling a power supply to a blower motor of a blower for generating an air flow toward a vehicle interior. apparatus. 6. The air conditioner for a vehicle according to claim 2, wherein the electric component includes at least a temperature sensor that detects a temperature of the cooling heat exchanger. An air conditioner for a vehicle, wherein the air conditioner is mounted to be in contact with a side surface of a cooling heat exchanger. 7. An air conditioner for a vehicle according to claim 1, wherein said air conditioning unit includes an air outlet switching door for switching an air outlet mode, and an air outlet for blowing air into a vehicle compartment. An air mix door for adjusting a temperature is provided, wherein the electric component is at least a first actuator that drives the air outlet switching door, a second actuator that drives the air mix door, and the first actuator or the first actuator. 2. An air conditioner for a vehicle, comprising a position detecting means for detecting the position of the two actuators. 8. The air conditioner for a vehicle according to claim 1, wherein the electric component electronically controls the air conditioning unit.
And a second electric component for performing body control such as electronic meter control, light control, intermittent wiper control, multiplex communication, door lock control, or power window control. . 9. A vehicle air conditioner according to claim 1, wherein said electric circuit board forms a part of said air conditioning duct. (A) an evaporator for cooling or dehumidifying air flowing into the vehicle interior; (b) a cooler unit case accommodating the evaporator therein; and (c) a side of the evaporator in the cooler unit case. (D) an air-conditioning control circuit component which is integrally mounted on the outer wall surface of the evaporative lid case and includes at least functions of a CPU, a memory, and the like; And an electric circuit board on which electric parts which perform an electrical operation when electric power is supplied and perform input / output of signals with the air conditioning control circuit parts are arranged in a concentrated manner; Heat-sensing part which is electrically attached and electrically connected to the air-conditioning control circuit component or the electric component and is attached so as to come into contact with a side surface of the evaporator. And a post-evaporation temperature sensor having the following. 11. The air conditioner for a vehicle according to claim 10, wherein the evaporator lid case has a sensor pressing portion for pressing a heat-sensitive portion of the post-evaporation temperature sensor toward a side surface of the evaporator. Is formed integrally with the evaporator lid case from a resin material and is provided so as to be elastically deformable. 12. The air conditioner for a vehicle according to claim 10, wherein the evaporator lid case has a sensor pressing part for pressing a heat-sensitive part of the post-evaporation temperature sensor against a side surface of the evaporator. Is a packing material that is provided between the inner wall surface of the evaporator lid case and the heat-sensitive portion and is an elastically deformable packing material. 13. The post-evaporation temperature sensor according to claim 10, further comprising: a leaf spring molded on a wall surface of the evaporator lid case from a metal material so as to be elastically deformable. The heat-sensing unit detects the temperature of the side surface of the evaporator via the leaf spring. 14. An air conditioner for a vehicle according to claim 11, wherein said air conditioner is provided from said sensor pressing portion to an inner wall surface of said evaporator lid case, and is provided outside said evaporator lid case. An air conditioner for a vehicle, comprising a substantially annular seal member for preventing water from leaking to a vehicle. 15. The air conditioner for a vehicle according to claim 11, wherein the air conditioner is provided between an outer wall surface of the lid case and the electric circuit board,
An air conditioner for a vehicle, comprising a substantially plate-shaped seal member for preventing water leakage or air leakage to the outside of the evaporation lid case. 16. The air conditioner for a vehicle according to claim 11, wherein the post-evaporation temperature sensor is for connecting the air conditioning control circuit component or the electric component to the heat sensitive portion. The evaporator lid case has a through hole communicating between the outer wall surface and the inner wall surface in the vicinity of the board mounting portion where the electric circuit board is mounted on the outer wall surface. An air conditioner for a vehicle, comprising: a rubber-based sealing material that closes the through hole on an inner wall surface to prevent water from leaking to the outside of the evaporation lid case. 17. The air conditioner for a vehicle according to claim 10, wherein said electric circuit board forms a part of said evaporator lid case. . 18. An air conditioning unit having an air conditioning duct formed of a first resin, and (b) a second air conditioning unit which is provided separately from the air conditioning duct and has less heat shrinkage than the first resin. (C) an air-conditioning control circuit component that is centrally disposed inside the housing and includes at least functions of a CPU, a memory, and the like; An air conditioner for a vehicle, comprising: an electric component that operates and inputs and outputs signals to and from the air conditioning control circuit component. 19. The vehicle air conditioner according to claim 18, wherein the air conditioning unit is an air outlet switching door for switching an air outlet mode, and an air mixing door for adjusting the temperature of air blown into the vehicle interior. And a blower motor of a blower for generating an air flow toward the vehicle interior, wherein the electric component is a first actuator that drives the air outlet switching door, a second actuator that drives the air mixing door, and the air mixing door. A potentiometer for detecting the opening degree of the blower motor, a blower controller for controlling the energization of the blower motor, and one of the potentiometer and an air conditioning control sensor. The first and second actuators are based on a detection value of the electric component. And an electric circuit on which an air conditioning control circuit component for electrically controlling the blower motor is mounted. Air conditioning system, characterized in that it is constituted by the substrate. 20. The air conditioner for a vehicle according to claim 19, wherein the housing includes a circuit board case including an electric circuit board on which the air conditioning control circuit components and the blower controller are centrally arranged, and the first actuator or the first actuator. An air conditioner for a vehicle, comprising an actuator case containing the second actuator and the potentiometer. 21. The air conditioner for a vehicle according to claim 20, wherein the actuator case performs both an electrical connection and a mechanical connection by being inserted into a concave terminal portion of the circuit board case. An air conditioner for a vehicle, which is a cartridge type case having a convex terminal portion capable of performing the following. 22. The air conditioner for a vehicle according to claim 20, wherein the actuator case can electrically connect to a concave terminal portion of the circuit board case via a flexible electric cable. An air conditioner for a vehicle, wherein the air conditioner is a cartridge type case having a convex terminal portion. 23. The air conditioner for a vehicle according to claim 19, wherein the air conditioning control circuit component is mounted on a surface of an electric circuit board housed in the housing, and the air conditioning control on the electric circuit board is performed. A lead wire of a side temperature sensor for detecting a side temperature of a cooling heat exchanger for cooling or dehumidifying air flowing in the air conditioning duct is electrically connected to the circuit component, and the electric circuit board of the housing is provided. An air conditioner for a vehicle, characterized in that a hole is formed in a substrate accommodating portion for accommodating a lead wire through which a lead wire of the side surface temperature sensor passes. 24. The vehicle air conditioner according to claim 23, wherein the air conditioning duct has a cooler unit case for housing the cooling heat exchanger therein, and the housing is provided outside the cooler unit case. An air conditioner for a vehicle, which is integrally mounted on a wall surface. 25. The air conditioner for a vehicle according to claim 19, wherein the electric component includes a heat generating component attached to at least a side surface of the cooling heat exchanger via an insulating member. The vehicle air conditioner, wherein the housing has a hole for exposing the heat-generating component in the cooler unit case. 26. The air conditioner for a vehicle according to claim 18, wherein the air conditioning duct has a blower unit case for housing a blower therein, and the housing includes the blower unit. An air conditioner for a vehicle, which is integrally mounted on an outer wall surface of a case. 27. (a) a blower unit case containing at least a blower and a blower-side door; (b) a heater unit case containing at least a heater core and a heater-side door; and (c) the blower unit case and the heater unit. An actuator for driving the blower-side door and the heater on an electric circuit board on which an air-conditioning control circuit component configured to include at least a CPU, a memory, and the like is mounted and fixed across both cases; An air conditioner for a vehicle including an air conditioning control module in which an actuator for driving a side door is centrally mounted. 28. The vehicle air conditioner according to claim 27, wherein a door drive shaft of an actuator for driving the blower-side door projects from one end surface of the air conditioning control module. An air conditioner for a vehicle, wherein a door drive shaft of an actuator that drives the heater-side door protrudes from an end surface. 29. The air conditioner for a vehicle according to claim 27 or 28, wherein the blower side door is an inside / outside air switching door for changing an inside / outside air mode, and the heater side door is: An air conditioner for a vehicle, comprising: at least one of an air outlet switching door for switching an air outlet mode and an air mix door for adjusting the temperature of air blown into a vehicle cabin. 30. (a) an air-conditioning unit for bringing a comfortable air-conditioning state into a vehicle interior; and (b) integrally mounted on the air-conditioning unit and including at least functions such as a CPU and a memory. Air-conditioning control in which, when electric power is supplied to an electric circuit board on which the air-conditioning control circuit components are mounted, the electric components are electrically operated, and electric components for inputting and outputting signals to and from the air-conditioning control circuit components are centrally mounted. A module; (c) an internal air temperature detecting means installed near the front of the instrument panel to detect the air temperature in the vehicle interior; and (d) an air intake in the vehicle interior into the installation location of the internal air temperature detecting means. (E) a tubular communication member that communicates the installation location of the internal air temperature detection means with the vehicle interior air suction means; (f) integrally assembled with the communication member; Inside Air conditioning system and a electrically electrical wiring for connecting the output terminal and the input terminal of the air-conditioning control circuit components temperature detecting means. 31. The air conditioner for a vehicle according to claim 30, wherein said electric wiring is integrally formed in a spiral shape with said communication member. 32. (a) an air-conditioning unit for bringing a comfortable air-conditioning state into a vehicle interior; and (b) integrally mounted on the air-conditioning unit and configured to include at least functions such as a CPU and a memory. Air-conditioning control in which, when electric power is supplied to an electric circuit board on which the air-conditioning control circuit components are mounted, the electric components are electrically operated, and electric components for inputting and outputting signals to and from the air-conditioning control circuit components are centrally mounted. A module; (c) a vehicle interior air suction means for sucking air in the vehicle interior; (d) an internal air temperature detection means built in the vehicle interior air suction means for detecting an air temperature in the vehicle interior; e) An air conditioner for a vehicle including an electric wire connecting an output terminal of the inside air temperature detecting means and an input terminal of the air conditioning control circuit component. 33. A vehicle air conditioner according to claim 32, wherein said vehicle interior air suction means is integrally mounted on said air conditioning unit or said air conditioning control module. . 34. A vehicle air conditioner according to claim 1, wherein said air conditioning control circuit component is a microcomputer.