JP4483534B2 - Air conditioner for vehicles - Google Patents

Description

  The present invention relates to a vehicle air conditioner.

  A conventional vehicle air conditioner includes an air conditioning panel having an operation unit and a display unit, an air conditioning unit incorporating an evaporator, a heater core, and the like, an air conditioning control device (ECU) that controls air conditioning, and the like. The air conditioning panel is installed on the passenger side near the center of the instrument panel, the air conditioning unit is installed between the instrument panel and the dash panel, and the air conditioning control device is integrated with the air conditioning panel (for example, Patent Document 1).

The air conditioning unit includes a plurality of doors such as an inside / outside air switching door, and a plurality of motors that drive the doors. And the motor drive circuit is provided in the air conditioning control device, and the energization to the motor is directly controlled by the air conditioning control device.
JP-A-4-151319

  However, since the air conditioning control device is integrated with the air conditioning panel, it is necessary to design the air conditioning control device for each vehicle type in accordance with the design of the air conditioning panel that differs depending on the vehicle type. Specifically, it was necessary to change the hardware part of the air-conditioning control device for each vehicle type, such as the shape of the case of the air-conditioning control device and the arrangement of connectors.

  In addition, because the air conditioning control device is integrated with the air conditioning panel, the size and shape of the case of the air conditioning control device are subject to space constraints due to the navigation system and audio installed near the air conditioning panel. It was also necessary to change the model for each model.

  Furthermore, since the motor drive circuit is provided in the air conditioning control device to control the energization to the motor, if the number of motors to be used differs depending on the vehicle type, system, or air conditioning control function, the connector of the air conditioning control device It was necessary to increase or decrease the number of terminals according to the number of motors.

  In other words, the air-conditioning control device needs to be developed, designed, and evaluated for each vehicle type, and there is a problem that the development man-hour increases and the development period becomes long. Therefore, it is conceivable to use the air conditioning control device in common regardless of the vehicle type.

  In view of the above points, an object of the present invention is to reduce the development man-hours and shorten the development period by using a vehicle air conditioner that uses an air conditioning control device that can be used regardless of the vehicle type.

In order to achieve the above object, according to the first aspect of the present invention, an air conditioning panel (30) having an operation unit for a passenger to perform settings related to air conditioning control and a display unit for displaying information related to air conditioning control, An air conditioning unit (1) having a plurality of doors (5, 13, 18, 19, 20) respectively driven by motors (5a, 13a, 18a), and a plurality of motors (5a) mounted on the air conditioning unit (1) , 13a, and 18a) are calculated based on input signals from the air conditioning panel (30) and input signals from various sensors, and respective serial communication signals relating to the control target values are output to a plurality of motors. In addition, energization to the air conditioning control device (40) mounted on the air conditioning unit and the plurality of motors (5a, 13a, 18a) is controlled based on the serial communication signal. The motor control device (55, 56, 57) provided for each motor is provided, and the air conditioning control device (40) and the air conditioning panel (30) are mechanically separated and arranged at different locations. And the air conditioning control device (40) and the motor control device (55, 56, 57) are arranged separately, and the motor control device (55, 56, 57) is connected to the panel electrical wiring (60). Arranged close to each corresponding motor, the air conditioning control device (40) and the plurality of motor control devices (55, 56, 57) are connected by motor electrical wiring (51) for supplying serial communication signals , The air-conditioning control device (40) includes a first connector (41). The first connector (41) includes an electrical component including at least a plurality of motors mounted on the air-conditioning unit (1) and an air-conditioning unit. System The connector of the unit electrical wiring (50) connecting the device (40) is fitted, and the unit electrical wiring (50) connects the air conditioning control device (40) and the motor (5a, 13a, 18a). The motor electrical wiring (51) is fitted to the connector of each motor (5a, 13a, 18a) and the motor control device (55, 56, 57) is built in. Connector (52, 53, 54), motor electrical wiring (51) has three coated conductors, two of which are power lines and the other one is an air conditioning control device. (40) is a communication line for transmitting a communication signal output to a plurality of motors, and communication between the air conditioning control device (40) and the motor control devices (55, 56, 57) is performed by serial communication. Air conditioning controller ( 40) includes a second connector and a third connector. The second connector (42) includes panel electrical wiring (60), communication electrical wiring (61), and basic control electrical wiring (62). ) Connector is fitted, and the electrical wiring for panel (60) connects the air conditioning control device (40) and the air conditioning panel (30), which are separately disposed, to communicate electrical wiring ( 61) connects at least the engine control device (63) for controlling the engine (11) of the vehicle to the air conditioning control device (40) through multiplex communication, and the basic control electrical wiring (62) achieves the air conditioning basic control. At least various sensors (65) necessary for this purpose are connected to the air conditioning control device (40), and the third connector (43) is connected to the air conditioning control device necessary for achieving additional function control. Add to do output Noh control sensor actuator group (71), characterized in that the connector of the air conditioning control device (40) connected to the additional function for electrical wiring (70) is fitted.

  According to this, since the air conditioning control device and the air conditioning panel are separated, the air conditioning control device is not affected by the difference in the design of the air conditioning panel for each vehicle type, and the space limitation due to the navigation system, audio, etc. I don't get it.

  Further, since the energization of each motor corresponding to each motor control device is controlled based on the serial communication signal from the air conditioning control device, the configuration of the electric wiring 51 for the motor is changed even if the number of motors used is different. There is no increase or decrease in the number of terminals of the air conditioning control device connector.

Therefore, it is not necessary to change the hardware part of the air conditioning control device for each vehicle type, and it becomes possible to use a common air conditioning control device for many vehicle types, thereby reducing development man-hours and shortening the development period. Can be achieved.
In addition, since the electric wiring for the motor supplies not only the serial communication signal but also the power supply line, it is not necessary to supply a separate power source and the wiring becomes easy.
In addition to the first connector including the power supply line, the second and third connectors are provided. The second connector is connected to the panel electrical wiring, the communication electrical wiring, and the basic control electrical wiring, and the third connector is connected to the third connector. Since the additional functions are shared, the connectors can be divided for each function, and the wiring is assembled in cooperation with the common use of the air conditioning control device (40) and the mounting of the air conditioning unit of the air conditioning control device (40). It becomes easy.
Furthermore, when a motor control device whose internal configuration differs depending on the application is built into the motor, many types of motors are generated. The motor control device is connected to the motor side of the motor electrical connector. Since it is built in a connector that is provided and connected to the motor, it is advantageous in that the motor can be shared. In other words, according to this, it is only necessary to attach a common motor to any application door, and it is only necessary to use various types of connectors connected to the motor. Errors can be reduced and manufacturing becomes easier.

  The invention according to claim 2 is characterized in that the air conditioning control device (40) is mounted in a mounting space preset in the air conditioning unit (1).

  According to this, since a space for mounting the air conditioning control device is secured in the air conditioning unit in advance, it is not necessary to be subject to space restrictions for each vehicle. That is, there is no problem that it is difficult to mount the air conditioning control device depending on the vehicle type, and any vehicle model equipped with the air conditioning unit according to the present invention can be mounted in common. A common specification in terms of manufacturing is achieved, and quality can be stabilized or costs can be reduced.

  In the invention according to claim 3, for the unit for connecting the air conditioner control device (40) mounted on the air conditioning unit (1) as well as the electric parts including the plurality of motors mounted on the air conditioning unit (1). Electrical wiring (50), and electrical wiring for vehicles (60, 61, 62, 70) for connecting the electrical components mounted on the vehicle except the air conditioning unit (1) and the air conditioning control device (40). Since the wiring groups are independent, wiring can be easily assembled in cooperation with the common use of the air conditioning control device (40) and the mounting of the air conditioning unit of the air conditioning control device (40).

According to the first aspect , since the motor control device is not built in the motor but is built in the connector connected to the motor, the signal path indicating the rotation amount of the motor becomes long and is easily affected by noise. As in the fourth aspect of the invention, the influence can be reduced by using a digital motor that generates a number of pulse signals corresponding to the rotation amount of the motor (5a, 13a, 18a).

In the invention according to claim 5 , the air conditioning unit (1) is formed with the inside air inlet (3) for inhaling the passenger compartment air and the outside air inlet (4) for inhaling outside air. In addition, a blower (7) is disposed on the downstream side of the air flow of both the suction ports (3, 4), and the air sucked from both suction ports (3, 4) by this blower (7) is blown into each blower. The air-conditioning control device (40) has a unit portion having the blower (7) of the air-conditioning unit (1) and the air outlets (14, 15, 17). A mounting space is secured between the unit portion.

  According to this, it is possible to mount the air conditioning control device by making good use of the space between the unit portion having the blower and the unit portion having each outlet, and the overall size can be reduced.

The invention according to claim 6 is characterized in that the second connector is arranged between the third connector and the first connector. According to this, since the 3rd connector which shared the additional function and the 1st connector wired to a motor are arranged at both ends, the 2nd connector with many wirings can be arranged in the middle, and wiring work becomes easy.

In the invention according to claim 7 , the air conditioning control device (40) has a first control means comprising a control routine executed only when power is supplied to the air conditioning control device (40) for the first time, When the first control means is started, the air conditioning control device (40) reads information on the additional function control applied in the air conditioning device of the vehicle from the signal obtained from the second connector or the third connector (S10). Based on the information, it is determined which function is to be applied, the applied function information that is the determination result is stored (S11), and the air conditioning control device (40) starts when the ignition switch is turned on. The second control means selects a program to be actually used based on the applied function information stored in the first control means, and executes basic control based on the selected program. While (S20), based on the selected program, to perform the additional function control applied by the air-conditioning system of the vehicle (S21) it is characterized.

However, when sharing the air-conditioning control device regardless of the vehicle type, and how models of determination is not made in the control unit for air-conditioning, but can not be individually controlled corresponding to the vehicles, according to claim 7 According to the invention, the additional function control information is read by the signal from, for example, the engine control device connected to the second connector or the third connector by the first means, the adaptive function information is stored, and the adaptive function information is stored by the second means. Since the additional function control is executed based on the program corresponding to the vehicle, even if a common air-conditioning control device is connected in the same way, the control for each vehicle type is automatically executed accurately and no special work is required. .

In the invention according to claim 8 , the air conditioning control device (40) has first control means comprising a control routine executed only when power is supplied to the air conditioning control device (40) for the first time, When the first control means is started, a signal obtained from another control device (63, 64) or an additional function control sensor / actuator group (71) related to the additional function control of the air conditioning control device (40) is obtained. The additional function control information applied in the vehicle air conditioner is read based on the received signal (S10), the function to be applied is determined based on the information, and the applied function information which is the determination result is determined. The air conditioning control device (40) has second control means that starts when the ignition switch is turned on, and the second control means stores the application machine stored in the first control means. A program to be actually used is selected based on the information, and basic control is executed based on the selected program (S20), and additional function control applied in the air conditioner of the vehicle is executed based on the selected program. (S21).

  According to this, for example, additional function control information is read by a signal from the engine control device or a signal from the sensor / actuator group for additional function control, the adaptive function information is stored, and a program corresponding to the adaptive function information is stored in the second means. Since the additional function control is executed based on the above, even if a common air conditioning control device is connected in the same manner, the control for each vehicle type is automatically executed accurately and no special work is required.

  In addition, the code | symbol in the bracket | parenthesis of each said means shows the correspondence with the specific means as described in embodiment mentioned later.

(First embodiment)
A first embodiment of the present invention will be described with reference to FIGS. FIG. 1 is a schematic diagram showing a configuration of an air conditioning unit in a vehicle air conditioner according to the first embodiment, FIG. 2 is a schematic diagram of an air conditioning panel and an air conditioning control device, and FIG. 3 is a schematic diagram showing a mounting position of the air conditioning control device. 4 and 4 are connection diagrams of the control system.

  The air conditioning unit 1 shown in FIG. 1 is installed between an instrument panel (not shown) and a dash panel. In FIG. 1, an air upstream side portion of an air conditioning casing 2 that forms an air flow path is formed with an inside air inlet 3 for inhaling air inside the vehicle interior and an outside air inlet 4 for inhaling outside air. An inside / outside air switching door 5 for selectively opening and closing these suction ports 3 and 4 is provided. The inside / outside air switching door 5 is driven by an inside / outside air switching door motor 5a.

  A filter (not shown) for removing dust in the air and a blower 7 are disposed on the downstream side of the air flow of the inside / outside air switching door 5, and the air sucked from the suction ports 3, 4 by the blower 7. However, it blows toward each outlet 14, 15, 17 mentioned later.

  An evaporator 9 that cools the air blown into the room by heat exchange between the refrigerant and the air is disposed on the air downstream side of the blower 7, and all the air blown by the blower 7 passes through the evaporator 9. . The evaporator 9 is equipped with a post-evaporation sensor 9 a that outputs a signal corresponding to the temperature of the air immediately after passing through the evaporator 9.

  A heater core 10 for heating the air blown into the room is disposed on the air downstream side of the evaporator 9, and the heater core 10 heats the air using the cooling water of the engine 11 as a heat source.

  A bypass passage 12 that bypasses the heater core 10 is formed in the air conditioning casing 2, and the air volume ratio between the air volume passing through the heater core 10 and the air volume passing through the bypass passage 12 is adjusted on the air upstream side of the heater core 10. An air mix door 13 is provided for adjusting the temperature of the air blown into the passenger compartment. The air mix door 13 is driven by an air mix door motor 13a.

  Further, at the most downstream portion of the air conditioning casing 2, a face air outlet 14 for blowing air-conditioned air to the upper body of the passenger in the vehicle interior, a foot air outlet 15 for blowing air to the feet of the passenger in the vehicle interior, and a windshield A defroster outlet 17 for blowing out air toward the inner surface of the air outlet 16 is formed, and air outlet mode switching doors 18, 19 and 20 are disposed at the upstream side portions of the air outlets 14, 15, 17 respectively. Has been. The three blowing mode switching doors 18, 19, and 20 are driven by one blowing mode switching door motor 18a.

  Each of the motors 5a, 13a, and 18a is a servo motor, and more specifically, a servo motor that generates a number of pulse signals corresponding to the rotation amount of the motor. Such a servo motor is disclosed in, for example, Japanese Patent Application No. 2001-318466 filed by the present applicant.

  As shown in FIG. 2, the vehicle air conditioner includes an air conditioning panel 30 and an air conditioning control device (ECU) 40.

  The air-conditioning panel 30 has an operation unit for the passenger to perform settings related to air-conditioning control and a display unit for displaying information related to air-conditioning control. Has been. Incidentally, the operation unit is provided with buttons, dials, and the like for setting a desired temperature in the passenger compartment, a desired blowing mode, and the like.

  As shown in FIG. 3, the air conditioning control device 40 is separated from the air conditioning panel 30 and mounted on the air conditioning unit 1. The air-conditioning control device 40 is composed of a well-known microcomputer comprising a CPU, ROM, RAM, etc. and its peripheral circuits, and is preset with input signals from the air-conditioning panel 30 and input signals from various sensors. The air conditioning control is performed by performing predetermined arithmetic processing according to the program. The air-conditioning control device 40 calculates the control target value of each motor 5a, 13a, 18a and outputs a communication signal related to the control target value.

  As shown in FIG. 4, the air conditioning control device 40 includes three connectors 41, 42, and 43. The first connector 41 is fitted with a connector of a unit electrical wiring 50 that connects an electrical component mounted on the air conditioning unit 1 to the air conditioning control device 40. The inside / outside air switching door motor 5a, the air mix door motor 13a, the blow-out mode switching door motor 18a, and the after-evacuation sensor 9a correspond to electrical components mounted on the air conditioning unit 1.

  The unit electrical wiring 50 includes a motor electrical wiring 51 that connects the air conditioning control device 40 and each motor 5a, 13a, 18a. The motor electrical wiring 51 is a connector of each motor 5a, 13a, 18a. Are provided with three connectors 52, 53, 54.

  Each connector 52, 53, 54 has a built-in motor control device 55, 56, 57 that controls energization to each motor 5 a, 13 a, 18 a based on a communication signal output from the air conditioning control device 40. . The motor control devices 55, 56, and 57 each include a motor drive circuit and a motor control circuit that controls energization of the motors 5a, 13a, and 18a by controlling the motor drive circuit based on a communication signal. This is an integrated circuit (IC) in which a drive circuit and a motor control circuit are integrated (one-chip).

  The motor electrical wiring 51 has three coated conductors, two of which are power supply lines (plus and ground), and the other one is a communication that transmits a communication signal output from the air conditioning controller 40. Line. Incidentally, the communication between the air conditioning control device 40 and the motor control devices 55, 56, 57 is serial communication. Such motor control wiring is disclosed in Japanese Patent Application No. 2001-318466 filed by the present applicant.

  Panel electrical wiring 60, communication electrical wiring 61, and basic control electrical wiring 62 are fitted to the second connector 42 of the air conditioning control device 40. The electrical wiring for panel 60 connects the air conditioning control device 40 and the air conditioning panel 30 that are separately disposed, and performs local communication (such as LIN). The electrical wiring 61 for communication connects an engine control device 63 for controlling the engine 11 and a body control device 64 for controlling a meter or the like (not shown) to the air conditioning control device 40, and between these control devices 40, 63, 64. Multiplex communication (CAN) is performed to exchange information. The basic control electric wiring 62 is a basic control sensor for performing input / output (inside air sensor signal input, solar sensor signal input, relay output, etc.) necessary for achieving basic control (details will be described later) of the air conditioner. The actuator group 65 is connected to the air conditioning control device 40.

  The connector of the additional function electric wiring 70 is fitted to the third connector 43 of the air conditioning control device 40. The additional function electric wiring 70 connects the additional function control sensor / actuator group 71 to the air conditioning control device 40 in order to perform input / output necessary for achieving additional function control (described later in detail) of the air conditioning device. To do. However, when an additional function is not required, the additional function electric wiring 70 is not necessary and it is not necessary to connect to the third connector 43.

  The air conditioning panel 30, the engine control device 63, the body control device 64, and the basic control sensor / actuator group 65 correspond to electrical components mounted on the vehicle except for the air conditioning unit 1. The panel electrical wiring 60, the communication electrical wiring 61, the basic control electrical wiring 62, and the additional function electrical wiring 70 correspond to the vehicle electrical wiring.

  FIG. 5 shows an application example of the air conditioning control function automatically executed by the air conditioner. The basic control in FIG. 5 is executed in all vehicle types, and includes room temperature control for controlling the temperature in the vehicle interior to a desired temperature, and control for setting the blowing mode and the inside / outside air mode to a desired state. Contains. In the room temperature control, the target blowing temperature TAO is calculated, and the opening degree control of the air mix door 13, the blowing air volume control by the blower 7, and the compressor for compressing the refrigerant so that the blowing temperature becomes the target blowing temperature TAO (not shown). ) On / off control.

  The additional function control in FIG. 5 is selectively applied depending on the vehicle type, and has, for example, four functions a to d. The cold air bypass control of a is a control in which a cold air bypass passage (not shown) is provided in parallel with the bypass passage 12 and the cold air bypass passage is fully opened during maximum cooling. The exhaust gas auto inside / outside air control b is a control for selecting the inside / outside air mode according to the degree of contamination of the exhaust gas. In the humidity control c, the operation of the compressor is controlled to select the blowing mode or the inside / outside air mode in order to prevent fogging of the window glass. The sheet air conditioning control d controls the temperature of the sheet or the temperature of the air blown out of the sheet.

  In the example shown in FIG. 5, all additional function control is applied to the vehicle type A, no additional function control is applied to the vehicle type B, and additional function control of b and c is applied to the vehicle type C. Incidentally, the air-conditioning control device 40 is common to the vehicle types A, B, and C, and a program is set so that all the functions related to the basic control and the additional function control can be executed.

  Next, the operation of this embodiment in the above configuration will be described. 6 and 7 are flowcharts of a program that is read and executed by the CPU of the air-conditioning control device 40.

  The control routine of FIG. 6 is performed when the ignition switch (not shown) of the vehicle is turned on for the first time after the air conditioner is mounted on the vehicle, in other words, when the power is supplied to the air conditioning control device 40 for the first time. Only executed. The control routine in FIG. 6 corresponds to the first control means of the present invention.

  When the control routine of FIG. 6 is started, the air conditioning control device 40 reads information on the additional function control applied in the air conditioning device of the vehicle from the engine control device 63 and the body control device 64 (S10), and the information The function to be applied is determined based on the application function information, and the applied function information as the determination result is stored (S11).

  The control routine of FIG. 7 starts when the ignition switch is turned on. First, a program to be actually used is selected based on the applied function information stored in S11 (see FIG. 6), basic control is executed based on the selected program (S20), and the program is selected based on the selected program. Additional function control applied in the vehicle air conditioner is executed (S21). Incidentally, in the case of a vehicle to which any additional function control is not applied, such as the vehicle type B, a program that executes only basic control is selected, and the additional function control is not executed. If the ignition switch is turned off during the execution of S20 and S21 (S22 is NO), the execution of the program is terminated. Note that the control routine of FIG. 7 corresponds to the second control means of the present invention.

  In the above embodiment, since the air conditioning control device 40 and the air conditioning panel 30 are separated, the air conditioning control device 40 is not affected by the difference in design of the air conditioning panel 30 for each vehicle type, and also includes a navigation system, audio, etc. It is not subject to space restrictions.

  Furthermore, since the motor control devices 55, 56, and 57 control the energization of the corresponding motors 5a, 13a, and 18a based on the serial communication signal from the air conditioning control device 40, the number of motors to be used differs. However, since there is no change in the configuration of the motor electrical wiring 51, the number of terminals of the first connector 41 of the air conditioning control device 40 does not increase or decrease.

  Therefore, it is not necessary to change the hardware part of the air conditioning control device 40 for each vehicle type, and it becomes possible to use the common air conditioning control device 40 for many vehicle types. Shortening can be achieved.

  By the way, when the air-conditioning control device 40 is made common regardless of the vehicle type, individual control corresponding to the vehicle type cannot be performed unless the vehicle type is discriminated in the air-conditioning control device 40, but in this embodiment, In order to determine which function is applied based on the information on the additional function control from the engine control device 63 and the body control device 64 connected to the second connector 42, the common air conditioning control device 40 is simply used in the same manner. Even if connected to the vehicle, the control for each vehicle type is automatically executed accurately.

  In addition, since a space for mounting the air conditioning control device 40 is secured in the air conditioning unit 1 in advance, there is no need to be subject to space restrictions for each vehicle. That is, there is no problem that it is difficult to mount the air-conditioning control device 40 depending on the vehicle type, and any vehicle model in which the air-conditioning unit 1 of this embodiment is mounted can be mounted in common. Thus, common specifications can be achieved in terms of design and manufacturing, and quality can be stabilized or costs can be reduced.

  In addition, when the motor control devices 55, 56, and 57 that have different internal configurations because of different controls are built in the motors 5a, 13a, and 18a, various types of motors are generated. This is advantageous in that each motor 5a, 13a, 18a can be shared. In other words, according to the present embodiment, the motors 5a, 13a, and 18a need only be attached to the door for any application, and only a variety of connectors are connected to the motors 5a, 13a, and 18a. In addition, the air-conditioning control device 40 can be used in common and the mounting error can be reduced, and the manufacturing becomes easy.

Further, since the basic control electrical wiring 62 and the additional function electrical wiring 70 are independent wiring groups, in the case of a vehicle to which any additional function control is not applied, such as the vehicle type B, the additional function electrical wiring 70. Can be omitted.
(Second Embodiment)
A second embodiment of the present invention will be described with reference to FIG. In the first embodiment, as in step S10 of FIG. 6, it is determined which function is applied based on the information on the additional function control from the engine control device 63 and the body control device 64. The function to be applied is determined based on the type of sensor or actuator mounted on the vehicle.

  FIG. 8 is a flowchart of a program read and executed by the CPU of the air conditioning control device 40. The control routine of FIG. 8 is performed when the ignition switch of the vehicle is turned on for the first time after the air conditioning device is mounted on the vehicle. In other words, it is executed only when power is supplied to the air conditioning control device 40 for the first time. Note that the control routine of FIG. 8 corresponds to the first control means of the present invention.

  When the control routine of FIG. 8 is started, as the additional function control sensor / actuator group 71, it is checked what sensors and actuators are mounted on the vehicle (S30), and which function is based on the check result. It is determined whether to apply, and the applied function information which is the determination result is stored (S31).

  For example, exhaust gas auto inside / outside air control requires an exhaust gas sensor, and if this is connected to the air conditioning control device 40, exhaust gas auto inside / outside air control is applied. Note that the types of buttons, dials, and the like on the air conditioning panel 30 differ depending on whether the exhaust gas auto inside / outside air control is applied or not, and therefore whether or not control is applicable is determined from the air conditioning panel 30 via communication. You can also

  When the ignition switch is turned on, as in the first embodiment, the control routine of FIG. 7 is started, and a program to be actually used is selected based on the applied function information stored in S31 (see FIG. 8). The basic control is executed based on the selected program, and the additional function control applied in the air conditioner of the vehicle is executed based on the selected program.

(Other embodiments)
In the above embodiment, each motor control device 55, 56, 57 is built in each connector 52, 53, 54. However, each motor control device 55, 56, 57 is built in each motor 5a, 13a, 18a. May be.

It is a schematic diagram which shows the structure of the air conditioning unit in the vehicle air conditioner which concerns on 1st Embodiment of this invention. It is a schematic diagram of the air-conditioning panel and air-conditioning control apparatus in the vehicle air-conditioning apparatus according to the first embodiment. It is a schematic diagram which shows the mounting position of the control apparatus for air conditioning of FIG. It is a connection diagram of the control system in the vehicle air conditioner according to the first embodiment. It is a chart which shows the example of application of an air-conditioning control function. It is a flowchart of the program which the control apparatus 40 for air conditioning of FIG. 2 performs. It is a flowchart of the program which the control apparatus 40 for air conditioning of FIG. 2 performs. It is a flowchart of the program which the control apparatus for air conditioning in the vehicle air conditioner which concerns on 2nd Embodiment of this invention performs.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 ... Air-conditioning unit 5, 13, 18, 19, 20 ... Door, 5a, 13a, 18a ... Motor, 30 ... Air-conditioning panel, 40 ... Air-conditioning control apparatus, 51 ... Electric wiring for motors, 55, 56, 57 ... Motor controller, 60 ... panel electrical wiring.

Claims (8)

An air conditioning panel (30) having an operation unit for a passenger to perform settings related to air conditioning control and a display unit for displaying information related to air conditioning control;
An air conditioning unit (1) having a plurality of doors (5, 13, 18, 19, 20) respectively driven by a plurality of motors (5a, 13a, 18a);
The control target values of the plurality of motors (5a, 13a, 18a) mounted on the air conditioning unit (1) are calculated based on input signals from the air conditioning panel (30) and input signals from various sensors. Output each serial communication signal related to the control target value to the plurality of motors, and an air conditioning control device (40) mounted in the air conditioning unit;
A motor control device (55, 56, 57) provided for each motor in order to control energization to the plurality of motors (5a, 13a, 18a) based on the serial communication signal,
The air-conditioning control device (40) and the air-conditioning panel (30) are mechanically separated and arranged at different locations and connected by panel electrical wiring (60),
The air conditioning control device (40) and the motor control devices (55, 56, 57) are arranged separately, and the motor control devices (55, 56, 57) are arranged close to the corresponding motors. The air conditioning control device (40) and the plurality of motor control devices (55, 56, 57) are connected by motor electrical wiring (51) for supplying the serial communication signal ,
The air-conditioning control device (40) includes a first connector (41), and the first connector (41) includes an electrical component including at least the plurality of motors attached to the air-conditioning unit (1). And the connector of the unit electric wiring (50) connecting the air conditioning control device (40),
The unit electrical wiring (50) includes a motor electrical wiring (51) for connecting the air conditioning control device (40) and the motor (5a, 13a, 18a),
The electric wiring (51) for the motor is connected to a connector of each motor (5a, 13a, 18a) and a connector (52, 53, 54) in which the motor control device (55, 56, 57) is built. Has
The motor electrical wiring (51) has three covered conductors, two of which are power lines, and the other one is a communication signal output from the air conditioning control device (40). The communication line for transmitting to the motor of the air conditioning, the communication between the air conditioning control device (40) and the motor control device (55, 56, 57) is performed by serial communication,
The air conditioning control device (40) includes a second connector and a third connector,
The second connector (42) is fitted with connectors for the panel electrical wiring (60), the communication electrical wiring (61), and the basic control electrical wiring (62).
The electrical wiring for panel (60) connects the air conditioning control device (40) and the air conditioning panel (30), which are arranged separately, by communication,
The communication electrical wiring (61) connects at least an engine control device (63) for controlling the vehicle engine (11) to the air conditioning control device (40) by multiplex communication,
The basic control electrical wiring (62) connects at least the various sensors (65) necessary for achieving the air conditioning basic control to the air conditioning control device (40).
In the third connector (43), an additional function control sensor / actuator group (71) is connected to the air conditioning control in order to perform input / output necessary for achieving the additional function control of the air conditioning control device. A vehicle air conditioner, wherein a connector of an additional function electrical wiring (70) connected to the device (40) is fitted .   A predetermined space for mounting the air conditioning control device (40) is secured in the air conditioning unit in advance, and the air conditioning control device (40) is mounted in the predetermined space of the air conditioning unit (1). The vehicle air conditioner according to claim 1.   A wiring group of unit electrical wiring (50) connecting the electrical components including the plurality of motors mounted on the air conditioning unit (1) and the air conditioning control device (40), and the air conditioning unit (1 in a vehicle) ) And the wiring groups of the vehicle electrical wiring (60, 61, 62, 70) connecting the electrical components mounted on the parts other than the air conditioning control device (40) are separated from each other and independent groups. The vehicle air conditioner according to claim 1 or 2, wherein the air conditioner is provided on a connector of the air conditioner control device (40). Said motor (5a, 13a, 18a), said motor (5a, 13a, 18a) according to any one of claims 1 to 3, characterized in that for generating a number of pulse signals corresponding to the amount of rotation of the Vehicle air conditioner. The air conditioning unit (1) is formed with an inside air inlet (3) for inhaling air inside the vehicle and an outside air inlet (4) for inhaling outside air, and both the inlets (3 4) is provided with a blower (7) on the downstream side of the air flow, and the air sucked from the suction ports (3, 4) by the blower (7) is sent to the respective outlets (14, 15, 17)
The air-conditioning control device (40) secures a mounting space between the unit portion having the blower (7) of the air-conditioning unit (1) and the unit portion having the air outlets (14, 15, 17). The vehicle air conditioner according to any one of claims 1 to 4 , wherein the vehicle air conditioner is provided. The vehicle air conditioner according to any one of claims 1 to 5 , wherein the second connector is disposed between the third connector and the first connector. The air conditioning control device (40) has first control means comprising a control routine that is executed only when power is supplied to the air conditioning control device (40) for the first time, and the first control means starts. Then, the air conditioning control device (40) reads information on the additional function control applied in the air conditioning device of the vehicle from the signal obtained from the second connector or the third connector (S10), and based on the information. To determine which function is to be applied, and stores the applied function information which is the determination result (S11),
The air-conditioning control device (40) has second control means that starts when the ignition switch is turned on, and the second control means actually uses the function information stored in the first control means based on the applied function information. A program to be used is selected, basic control is executed based on the selected program (S20), and additional function control applied in the vehicle air conditioner is executed based on the selected program (S21). The vehicle air conditioner according to any one of claims 1 to 6 . The air conditioning control device (40) has first control means comprising a control routine that is executed only when power is supplied to the air conditioning control device (40) for the first time, and the first control means starts. Then, based on the signal obtained from the other control device (63, 64) or the signal obtained from the sensor / actuator group (71) for additional function control related to the additional function control of the air conditioning control device (40). The additional function control information applied in the vehicle air conditioner is read (S10), it is determined which function is applied based on the information, and the applied function information which is the determination result is stored (S11). ,
The air-conditioning control device (40) has second control means that starts when the ignition switch is turned on, and the second control means actually uses the function information stored in the first control means based on the applied function information. A program to be used is selected, basic control is executed based on the selected program (S20), and additional function control applied in the vehicle air conditioner is executed based on the selected program (S21). The vehicle air conditioner according to any one of claims 1 to 6 .

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