JP2012076666A - Control system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a control system which has priority over charging during a battery is charged even when there is a command for pre-airconditioning to be performed, prohibits the operation of pre-airconditioning, and starts pre-airconditioning when charging is ended.SOLUTION: For example during a vehicle 2 is parked, in the case when an user commands pre-airconditioning with a pre-airconditioning button 306 in a remote control key 3, pre-airconditioning is prohibited until charging of the battery 507 is ended within a period of time when charging of the battery 507 is performed at a commanded time. When charging of the battery 507 is ended, pre-airconditioning is started using commercial electric power to which a plug 505 is connected.

Description

  The present invention relates to a control system.

  Conventionally, there are various proposals for improving the performance of air conditioners installed in automobile vehicles. For example, in Patent Document 1 below, a means for measuring the body temperature of an occupant is provided, the body temperature of the occupant is measured before boarding, and pre-air conditioning is performed based on the body temperature (air conditioning before the occupant enters the vehicle or when the ignition is off). ) Is disclosed.

Japanese Patent Laid-Open No. 2006-240438

  Electric vehicles (EV: Electric Vehicle) and plug-in hybrid vehicles (PHV: Plug-In Hybrid Vehicle) are usually charged while parked. It is necessary to extend the mileage. When pre-air conditioning is commanded during charging, there is a limit to the power transmission capability on the supply power source side during charging, so it is not desired to operate pre-air conditioning, but the current system operates pre-air conditioning. This prolongs the battery charging time.

  Therefore, even if pre-air conditioning is commanded, if the battery is being charged, charging will be prioritized and the pre-air-conditioning operation will be prohibited. There is an improvement effect, but there is no proposal of such a system in the prior art.

  Therefore, in view of the above problems, the problem to be solved by the present invention is that even when pre-air conditioning is instructed, if the battery is being charged, charging is prioritized and the pre-air-conditioning operation is prohibited. The object is to provide a control system for starting pre-air conditioning.

Means for Solving the Problems and Effects of the Invention

  In order to achieve the above object, a control system according to the present invention is provided in a vehicle, an air conditioning unit that adjusts the air conditioning in the vehicle interior, and a function that can be carried outside the vehicle cabin and wirelessly communicated with the air conditioning unit. A portable device that is provided in the portable device and commands the air conditioning unit to execute air conditioning, a battery that is provided in the vehicle and stores electric power, and a driving unit of the vehicle is stopped. And charging control means for charging the battery in a state where the battery is electrically connected to a commercial power connection, and the command within a period when the charging control means is charging the battery. And a prohibiting unit that prohibits air conditioning in the air conditioning unit until charging of the battery by the charging control unit is completed when the execution of air conditioning in the air conditioning unit is instructed by the unit. That.

  Thus, in the control system according to the present invention, when the execution of air conditioning in the air conditioning unit is instructed within the period during which the battery of the vehicle is being charged, the air conditioning in the air conditioning unit is prohibited until the end of the battery charging. Priority is given to battery charging over air conditioning (so-called pre-air conditioning), and it is possible to avoid a decrease in battery charging rate per unit time due to pre-air conditioning. Therefore, it is possible to realize a control system that performs control so as to extend the travel distance of the vehicle with priority given to charging of the battery.

  In addition, when the charge control unit is instructed to perform air conditioning in the air conditioning unit within a period during which the battery is being charged, after the charging control unit finishes charging the battery, the air conditioning unit Air conditioning in the unit may be executed.

  As a result, if the air conditioning unit is instructed to execute air conditioning within the period during which the vehicle battery is being charged, air conditioning in the air conditioning unit is prohibited until the battery is charged, and air conditioning is started after the charging is completed. Therefore, the charging of the battery is prioritized over the air conditioning (so-called pre-air conditioning), and the battery charging rate per unit time can be prevented from being reduced by the pre-air conditioning. Therefore, it is possible to realize a control system that performs control so as to extend the travel distance of the vehicle with priority given to charging of the battery.

  In addition, the air conditioning control means is configured such that when the command control means commands execution of air conditioning in the air conditioning unit within a period during which the charge control means executes charging of the battery, the charge control means The air conditioning in the air conditioning unit that is performed after the end of charging may be performed using commercial power to which the battery is electrically connected.

  As a result, when the execution of air conditioning in the air conditioning unit is instructed within the period during which the battery of the vehicle is being charged, the air conditioning executed after the charging of the battery uses commercial power. It is possible to avoid a decrease in the charging rate.

  In addition, the air conditioning control unit stores the air conditioning in the air conditioning unit in the battery when the commanding unit commands execution of air conditioning in the air conditioning unit and the battery is not electrically connected to commercial power. It may be executed using the generated power.

  As a result, if the battery is not connected to commercial power when the user instructs execution of air conditioning, air conditioning in the air conditioning unit is performed using the power stored in the battery. When connected to electric power, air conditioning is performed using commercial power, and when the battery is not connected to commercial power, air conditioning is performed using the power of the battery. Therefore, it is possible to realize a control system that performs control so that the charging rate of the battery does not decrease as much as possible by air conditioning.

  An input unit that accepts an input from a user for setting whether or not to prohibit the prohibiting unit, and an input that causes the prohibiting unit to function when the input unit receives the input to function the prohibiting unit. If the execution of air conditioning in the air conditioning unit is instructed by the commanding unit within a period during which the charging control unit is charging the battery, the air conditioning unit until the charging of the battery by the charging control unit is completed. When the input unit accepts an input indicating that the prohibition unit does not function, the charge control unit performs charging of the battery without causing the prohibition unit to function. If execution of air conditioning in the air conditioning unit is commanded by the command means within a period, air conditioning in the air conditioning unit is started without waiting for the battery to be fully charged. And setting means may be provided with.

  As a result, when the execution of air conditioning in the air conditioning unit is instructed by the input from the user within the period during which the battery of the vehicle is being charged, the air conditioning is immediately executed or is executed after the charging of the battery is completed. Or you can switch between them. Therefore, a control system that meets the needs of the user can be realized.

The block diagram of the control system in embodiment of this invention. The figure which shows the structural example of an air-conditioner part. The flowchart which shows the process sequence example of charge and pre air conditioning.

  Embodiments of the present invention will be described below with reference to the drawings. First, FIG. 1 and FIG. 2 are schematic configuration diagrams of a vehicle control system 1 according to an embodiment of the present invention. The control system 1 is installed in an automobile vehicle 2, and the vehicle 2 is, for example, EV or PHV, but may be any vehicle equipped with a battery.

  As shown in the figure, the control system 1 includes a vehicle 2 and a remote control key 3 (portable device), and further includes an air conditioner ECU 4, a battery ECU 5, a verification ECU 6, a motor 7, and an air conditioner unit 40. The air conditioner ECU 4, the battery ECU 5, and the verification ECU 6 are connected by a multiplex communication bus 9 (bus) so that various types of information can be exchanged.

  The air conditioner ECU 4 includes a CPU 400 for information processing such as various calculations, a RAM 401 (temporary storage unit) as a work area of the CPU 400, and a nonvolatile memory 402 for storing various information. The air conditioner ECU 4 is connected to the multiple communication bus 9 via the communication interface unit 403 (I / F). In the air conditioner ECU 4, the CPU 400, the RAM 401, the nonvolatile memory 402, the I / F 403, and the I / O 404 are connected by a bus so that information can be transferred.

  As shown in FIG. 1, the air conditioner ECU 4 is connected to the display unit 410, the input unit 411, the heater 405 (heater core), the evaporator 404, the air mix damper 402, and the like in the air conditioner unit 40 via the I / O 404. Is commanded. Further, as shown in FIG. 2, the air conditioner 40 of the vehicle includes an outlet switching damper 400, an inside / outside air switching damper 401, and a blower fan 403. The connection relationship between the air conditioner ECU 4 and the air conditioner unit 40 shown in FIG. 1 is simplified.

  The outlet switching damper 400 is a damper that determines the open / closed state of each outlet in order to switch the outlet (for example, face, foot, defroster) of the air conditioner in the passenger compartment. The inside / outside air switching damper 401 is a damper that switches between an inside air inlet for circulating air inside the vehicle and an outside air inlet for taking in air outside the vehicle. The air mix damper 402 is a damper that determines a mixing ratio between the cool air cooled by the evaporator and the warm air heated by the heater core 405 downstream thereof.

  Air-conditioned air is formed by the rotation of the blower fan 403. In the evaporator 404, the refrigerant gas compressed by a compressor (not shown) driven by the engine (motor) of the vehicle is ejected into the evaporator 404 and vaporized, thereby depriving the surrounding heat. Thus, the evaporator 404 cools the air flow generated by the blower fan.

  The heater core 405 (heater) raises the temperature of the air flow using the heat of the cooling water that has been heated by cooling the engine (motor). In the case of pre-air conditioning, which will be described later, the heater 405 may have a structure in which heating is performed using battery power. As described above, the evaporator 404 has a cooling function, and the heater core 405 has a heating function. As described above, the temperature adjustment is performed by determining the mixing ratio between the cool air cooled by the evaporator and the warm air heated by the heater core 405 according to the opening of the air mix damper 402.

  The air conditioner ECU 4 displays various types of information related to the air conditioner to the user using the display unit 410 which is a liquid crystal display unit (LCD), for example. The input unit 411 accepts various inputs such as a desired set temperature from the user. The display part 410 and the input part 411 are arrange | positioned in the air-conditioner operation panel arrange | positioned at the instrument panel front lower part etc. in a vehicle interior, for example.

  Next, the battery ECU 5 is equipped with a CPU 500 that executes various types of information processing related to battery control, a RAM 501 that is a temporary storage unit as a work area of the CPU 500, and a ROM 502 that stores various types of information. The battery ECU 5 is connected to the bus 9 via the I / F 503. The battery controller 504 controls charging and discharging of the battery 507.

  The battery 507 is charged from commercial power via a charging cable 506 and a plug 505. The motor 7 is an electric motor that is supplied with electric power and generates a driving force for running the vehicle.

  Next, collation ECU6 is provided with CPU600 for information processing, such as collation processing, RAM601 which is a temporary storage part as a work area of CPU600, and ROM602 for memorizing various information. The verification ECU 6 is connected to the multiplex communication bus 9 via the communication interface unit 603 (I / F). The wireless communication unit 604 is equipped for wireless communication with the remote control key 3. The verification ECU 6 is capable of transferring information by connecting the CPU 600, RAM 601, ROM 602, I / F 603, and wireless communication unit 604 with a bus.

  Next, the remote control key 3 includes a CPU 300, a RAM 301, a ROM 302, a wireless communication unit 303, a lock button 304, an unlock button 305, and a pre-air conditioning button 305. The CPU 300 executes various types of information processing. A RAM 301 is a temporary storage unit as a work area of the CPU 300. The ROM 302 is a non-volatile storage unit equipped to store various information.

  The wireless communication unit 303 is equipped for wireless communication with the verification ECU 6. The lock button 304 is a button that is pressed (ON operation) when the vehicle occupant locks (locks) the vehicle door, and the unlock button 305 is used when the vehicle occupant unlocks (unlocks) the vehicle door. This button is pressed (ON operation). The pre-air conditioning button 306 is a button for instructing air conditioning in the vehicle 2 when the vehicle occupant is turned on from outside the vehicle or in the vehicle interior.

  Between the verification ECU 6 and the remote control key 3, the door unlocking process (so-called remote keyless entry) is performed wirelessly as follows. The user presses the unlock button 305 of the remote control key 3 outside the vehicle 2 with the door locked. Accordingly, a signal (unlock signal) including information that the unlock button has been pressed and the ID code of the remote control key 3 is transmitted from the wireless communication unit 303 of the remote control key 3. Note that an ID code (identification code) unique to the remote control key 3 is stored in advance in the ROM 302 of the remote control key 3, for example.

  The wireless communication unit 604 of the vehicle 2 that has received the unlock signal verifies the ID code in the signal with the master ID. If the verification is successful (ID and master ID match), it is confirmed that an unlock signal has been transmitted from the remote control key 3, and the door of the vehicle 2 is unlocked.

  By a similar process, when the user presses the lock button 304 outside the vehicle 2 in a state where the door is not locked, information indicating that the lock button 304 has been pressed from the wireless communication unit 303 of the remote control key 3, and the remote control key A lock signal including the ID code 3 is transmitted. The wireless communication unit 604 of the vehicle 2 that has received the lock signal collates the ID code in the signal with the master ID. If the verification is successful (ID and master ID match), it is confirmed that the lock signal has been transmitted from the remote control key 3, and the door of the vehicle 2 is locked.

  With the above configuration, when the user presses the pre-air conditioning button 306, the control system 1 waits for the start of pre-air conditioning until charging is completed if the charging process is being executed in the vehicle 2. Execute the process. The processing procedure is shown in FIG. The processing procedure of FIG. 3 may be programmed and stored in advance in, for example, the non-volatile memory 602 (or 402, 502) and the CPU 600 (or 400, 500) may be automatically executed. Below, the case where CPU600 performs is demonstrated.

  In the process of FIG. 3, it is first determined in step S10 whether or not the pre-air conditioning signal (keyless signal) has been received by the wireless communication unit 604. The pre-air conditioning signal is a signal transmitted from the wireless communication unit 303 when the user presses the pre-air conditioning button 306 of the remote control key 3, and indicates that the pre-air conditioning button 306 has been pressed and the ID of the key 3. It is a signal that contains.

  When the pre-air conditioning signal is received (S10: YES), the CPU 600 proceeds to S20, and when the pre-air conditioning signal is not received (S10: NO), the CPU 600 repeats S10 and waits for the reception of the pre-air conditioning signal.

  After proceeding to S20, CPU 600 collates the ID code in the received pre-air conditioning signal with, for example, a master ID stored in advance in ROM 602. If the collation is successful (ID and master ID match) (S20: YES), the CPU 600 proceeds to S30. If the collation is unsuccessful (S20: NO), the process returns to S10 again.

  After proceeding to S30, the CPU 600 determines whether or not the charging cable 506 (plug 505) is connected to a commercial power outlet (connection unit). The connection state may be determined by, for example, detecting the current value or voltage value in the cable 506 by the battery controller 504. The CPU 600 proceeds to S40 when the charging cable 506 (plug 505) is connected to a commercial power outlet (S30: YES), and proceeds to S70 when not connected (S30: NO).

  After proceeding to S40, the CPU 600 acquires information on whether or not the battery 507 is being charged from, for example, the battery controller 504. When the battery 507 is being charged (S40: YES), the CPU 600 proceeds to S50, and when not being charged (S40: NO), the CPU 600 proceeds to S70.

  After proceeding to S50, the CPU 600 acquires information on whether or not the charging of the battery 507 has ended from, for example, the battery controller 504. When the charging of the battery 507 is completed (S50: YES), the process proceeds to S60, and when the charging is not completed (S50: NO), S50 is repeated to wait for the charging to end.

  After proceeding to S60, CPU 600 determines whether or not a predetermined condition for starting pre-air conditioning is satisfied. Here, the predetermined condition is, for example, that the end of charging confirmed in S50 is not due to the user detaching (withdrawing) the plug 505 from the commercial power outlet, but the battery 507 is fully charged (charging rate). 100%) is the end of charging. In the case of the end of charging due to the user pulling out the plug 505, it is considered that the user is going to leave the vehicle 2, so the following pre-air conditioning is not executed.

  For the same reason, when the condition that the door is opened (unlocked) and the drive unit (engine, motor 7) of the vehicle 2 is started is satisfied, the user leaves the vehicle 2 as well. Pre-air conditioning is not performed because it is considered to be. The conditions for executing the pre-air conditioning as described above (the charging is not terminated by pulling out the plug, the door is not opened (unlocked), the drive unit of the vehicle 2 is not started, etc.) are satisfied. If YES in step S60, the process proceeds to step S70. If these conditions are not satisfied (NO in step S60), the process in FIG. 2 ends.

  After proceeding to S70, the CPU 600 instructs the air conditioner ECU 4 to start pre-air conditioning. Note that the power used for executing the pre-air conditioning is the commercial power to which the charging cable 506 is connected when the process proceeds to S70 by S60: YES or when the process proceeds to S70 by S40: NO. If the process proceeds to S70 in S30: NO, power is supplied from the battery 507 and pre-air conditioning is executed.

  Next, in S80, the CPU 600 determines whether or not the door of the vehicle 2 has been opened. When the opening of the door is detected (S80: YES), it is considered that the user gets on, so the process proceeds to S100 and the pre-air conditioning is terminated. When opening of the door is not detected (S80: NO), the process proceeds to S90.

  After proceeding to S90, CPU 600 determines whether or not a predetermined time for performing pre-air conditioning (pre-air conditioning time) has ended. The pre-air conditioning time may be determined in advance as a time required until the temperature (humidity) in the vehicle can be adjusted to a desired value. When the pre-air conditioning time has ended (S90: YES), the CPU 600 proceeds to S100 and ends the pre-air conditioning. If the pre-air conditioning time has not ended (S90: NO), the process returns to S80 and the above process is repeated. The above is the processing procedure of FIG.

  In the above embodiment, the remote control key 3 provided with the pre-air conditioning button 306 is an electronic key for keyless entry, but it may be an electronic key for a so-called smart key system (smart entry system, smart start system).

  In the smart entry system, when a touch sensor equipped on the door handle detects an operation for unlocking the door that is gripped by the user, a polling signal (request signal) for instructing a reply from the vehicle to the electronic key. ) Is sent. When the electronic key receives the polling signal, the electronic key returns a signal including the unique key. The verification ECU compares the signal received on the vehicle side with the master ID, and if the verification is successful (ID and master ID match), unlocks the door of the vehicle.

  Similarly, in the smart start system, when it is detected that the user presses the engine start button installed in the passenger compartment, a polling signal (request signal) for instructing a reply of ID is transmitted from the vehicle to the electronic key. . When the electronic key receives the polling signal, it returns a signal including an ID unique to the electronic key. The verification ECU compares the signal received on the vehicle side with the master ID, and if the verification is successful (ID and master ID match), starts the vehicle drive unit (engine, motor).

  Further, the control system 1 differs from the mode shown in FIG. 3 in a mode in which pre-air conditioning is prohibited until the end of charging when a pre-air conditioning command is issued during charging. It is also possible to provide two modes, that is, a mode in which pre-air-conditioning is started immediately when there is a problem, so that the mode can be switched by an input from the user. In this case, the input unit 411 may accept a mode change input from the user.

  Whether cooling is performed or heating is performed in the pre-air conditioning described above is determined when the vehicle interior temperature by the sensor that detects the vehicle interior temperature is higher (lower) than the user's set temperature (desired temperature). Heating). In FIG. 3, the pre-air conditioning is performed for the predetermined pre-air conditioning time in S90, but the pre-air conditioning may be executed until the vehicle interior temperature reaches the user set temperature.

1 Control system 3 Remote control key 4 Air conditioner ECU
5 Battery ECU
6 verification ECU

Claims (5)

An air conditioning unit provided in the vehicle for adjusting the air conditioning in the passenger compartment;
A portable device that can be carried outside the vehicle compartment and wirelessly communicated with the air conditioning unit;
Command means provided in the portable device and commanding the air conditioning unit to execute air conditioning;
A battery provided in the vehicle for storing electric power;
Charging control means for charging the battery in a state in which the driving unit of the vehicle is stopped and the battery is electrically connected to a connection part of commercial power;
When the charge control means is instructed to execute air conditioning in the air conditioning unit from the commanding means within a period during which the battery is being charged, in the air conditioning unit until the charging of the battery by the charge control means is completed. Prohibition means to prohibit air conditioning,
A control system characterized by comprising:   When the charge control means is instructed to execute air conditioning in the air-conditioning unit from the commanding means within a period during which the battery is being charged, the air-conditioning unit The control system of Claim 1 provided with the air-conditioning control means which performs the air conditioning in.   The air conditioning control means charges the battery by the charge control means when the command means instructs execution of air conditioning in the air conditioning unit within a period during which the charge control means is charging the battery. The control system according to claim 2, wherein the air conditioning in the air conditioning unit that is executed after completion is performed using commercial power to which the battery is electrically connected.   The air conditioning control means is instructed by the command means to execute air conditioning in the air conditioning unit, and when the battery is not electrically connected to commercial power, the air conditioning in the air conditioning unit is stored in the battery. The control system according to claim 3, wherein the control system is executed using the generated electric power. An input means for accepting an input from a user for setting whether or not to operate the prohibition means;
When the input means accepts an input for causing the prohibit means to function, the input means causes the prohibit means to function and the charge control means from the command means within a period during which the battery is being charged. When execution of air-conditioning in the air-conditioning unit is commanded, air-conditioning in the air-conditioning unit is prohibited until charging of the battery by the charge control unit, and the input unit receives an input indicating that the prohibiting unit does not function If the execution of air conditioning in the air conditioning unit is instructed by the commanding unit within a period in which the charging control unit is charging the battery without causing the prohibiting unit to function, charging of the battery is completed. Setting means for starting air conditioning in the air conditioning unit without waiting for
The control system according to any one of claims 1 to 4, further comprising:

Images