CN100503309C

CN100503309C - Electric chair control means

Info

Publication number: CN100503309C
Application number: CNB2005101354343A
Authority: CN
Inventors: 饶文明; 李振山
Original assignee: BYD Co Ltd
Current assignee: BYD Co Ltd
Priority date: 2005-12-28
Filing date: 2005-12-28
Publication date: 2009-06-24
Anticipated expiration: 2025-12-28
Also published as: CN1990300A

Abstract

The invention discloses a control device of chair, which comprises the following parts: disposal unit, handy switch, handy control mode corresponding to handy switch, automatic switch, automatic control mode corresponding to automatic switch, motor driver, motor, condition switch and condition control mode, wherein the condition switch receives conditional signal of automobile and transmits the signal to disposal unit, which corresponds to condition control mode in the disposal unit; the handy control mode and automatic control mode control the motor driver to control the movement of motor directly according to conditional signal.

Description

Controller of electric seat

Technical field

The present invention relates to a kind of electric seat of car control setup.

Background technology

The technology of regulating automotive seat at present is divided into three kinds, be mechanical type seat adjustment technology, manual type automatic seat regulation technology and self acting automatic seat regulation technology, and the automatic seat regulation technology has become the developing direction of automotive seat regulation technology owing to advantages such as its better safety, traveling comfort, hommizations.

Fig. 1 has shown the lateral plan of a general-utility car seat, seat among the figure comprises cushion, it can move forward and backward A1, and can move up and down A2, backrest can move forward and backward A3, and headrest can move up and down A4, and the cooperation of these several move modes can make the passenger obtain the only seating position of the most comfortable.

Fig. 2 has shown the block diagram of existing automatic chair control setup, among the figure, common automatic chair control setup comprises: processing unit, hand switch, with the cooresponding manual control module of this hand switch, automatic switch, with the cooresponding automatic control module of this automatic switch, motor driver and motor, wherein, processing unit is the core of The whole control device, it can receive the signal that comes from miscellaneous part, and these signals are carried out computing and send signal according to operation result.

Described hand switch comprises eight functions, promptly can control cushion and carry out front and back and move up and down (before the A1, behind the A1, before the A2 and behind the A2), can control backrest and move forward and backward (before the A3, behind the A3), and the control headrest moves up and down (A4 is last, A4 under).With the cooresponding manual control module of this hand switch be software or hardware module in the described processing unit, it can receive the signal that comes from hand switch and control motor according to these signals by motor driver and rotate, thereby reaches the purpose that the control seat moves.

Described automatic switch comprises memory module, primary importance setting module and second place setting module, wherein, described memory module is used to store the position of predefined seat, the described first and second set positions modules are used to set the position for the seat of different steermans, for example, for one family, described primary importance setting module is used to the husband to set the position of seat, when selecting this setting module, seat will move to the most suitable husband's the position that has configured automatically, similarly, second place setting module can be kept for the another one people, wife for example just can make seat move to suitable position automatically when different people's steering vehicle like this by the set positions module of selecting oneself.Certainly, these position control module also can be more, perhaps provide more selection by various combinations.Described memory module and with the cooresponding automatic control module of this automatic switch can be software or hardware module in the described processing unit, for example memory module can be memory devices such as EEPROM.

Yet, the conventional seat control setup still lacks enough safetys and traveling comfort, for example, chaufeur is run into a certain automated location when driving because of carelessness and is selected module, thereby cause and wait safety misadventure to lose control of one's vehicle, be not intended to press seat switch when perhaps children are separately in car and damage; Perhaps,, wish seat during steering vehicle, thereby and vehicle wishes that seat is away from the bearing circle convenient for passenger to get on and off when stopping comparatively near bearing circle for the people of different statures.

Summary of the invention

The objective of the invention is to overcome the chair control device shortage safe enough of prior art and the shortcoming of traveling comfort, provide a kind of can making to take more comfortable, safer chair control device.

The invention provides a kind of chair control device, described control setup comprises processing unit, hand switch, automatic switch, motor driver and motor, comprise in the described processing unit with the cooresponding manual control module of described hand switch and with the cooresponding automatic control module of described automatic switch, be respectively applied for to receive and come from the signal of described hand switch and automatic switch and generate cooresponding control signal to control motor by described motor driver, it is characterized in that, also comprise mode switch and with the cooresponding status control module of this mode switch, described motor driver receives and comes from the control signal of described processing unit and control described motor according to this control signal, described mode switch is used to receive the status signal of vehicle and this status signal is sent to described processing unit, with the cooresponding status control module of this mode switch in described processing unit, be used to receive the Vehicular status signal that comes from described mode switch, and pass through the described manual control module of control according to this status signal, automatic control module or control described motor driver and then control the action of described motor in direct mode.

Chair control device provided by the invention can provide comfortable, convenient and safe environment by bus for the passenger.

Description of drawings

Fig. 1 is the motion scheme drawing of automotive seat;

Fig. 2 is the block diagram according to the automobile seat control device of prior art;

Fig. 3 is the block diagram according to automobile seat control device of the present invention;

Fig. 4 is the block diagram according to the automobile seat control device of first embodiment of the invention;

Fig. 5 is the block diagram according to the automobile seat control device of second embodiment of the invention;

Fig. 6 is the block diagram according to the automobile seat control device of third embodiment of the invention.

The specific embodiment

Introduce the preferred embodiment of the present invention below with reference to the accompanying drawings in detail.

As shown in Figure 3, according to first embodiment of the invention, chair control device provided by the invention comprises processing unit 100, hand switch 200, with the cooresponding manual control module 250 of this hand switch, automatic switch 300, with these automatic switch 300 cooresponding automatic control modules 350, motor driver 400, motor 500 and mode switch 700 and with the cooresponding status control module 750 of this mode switch, wherein, described mode switch 700 is used to receive the status signal of vehicle and this status signal is sent to described processing unit 100, with these mode switch 700 cooresponding status control module 750 in described processing unit 100, be used to receive the Vehicular status signal that comes from described mode switch 700, and according to this status signal by control described manual control module 250, automatic control module 350 or control described motor driver 400 in direct mode, and then control the action of described motor 500.So dotted line is represented possible mode among the figure.

According to the present invention, described processing unit 100 can be the electronic control unit (ECU) in micro controller system (MCU), digital signal processing chip (DSP) or the vehicle.

First embodiment of the invention, as shown in Figure 4, described mode switch 700 comprises vehicle running state receptor 710, be used to receive the motoring condition signal of vehicle and this motoring condition signal is sent to described status control module 750, comprise in the described status control module 750 with this motoring condition receptor 710 cooresponding motoring conditions and differentiate submodule 751, be used to judge this motoring condition signal and send chip selection signal to described automatic control module 350, when vehicle is in halted state, then allow described automatic control module work, otherwise shield this automatic control module.Only shown the annexation of describing above among the figure, do not illustrated for connection and other annexations between described automatic control module 350 motor drivers 400.

Described vehicle running state receptor 710 can be mounted in a button on the automobile instrument panel, when vehicle ', the driver can press this button, when described status control module 750 receives the information of pressing this button, does not then allow described automatic control module 350 work.Described vehicle running state receptor can also be a car speed sensor, and when the speed of a motor vehicle that senses when car speed sensor was not 0, then described status control module 750 did not allow described automatic control module 350 work.For the automatic gear car with P shelves, described vehicle running state receptor is P shelves sensors, has only when the automobile gear is in the P shelves, and described status control module 750 just allows described automatic control module work.

First embodiment of the invention, thus it is mobile to prevent that the accidental when driving starting automatic switching of chaufeur from causing that seat meets accident, thus protected traffic safety.

As shown in Figure 5, second embodiment of the invention, described mode switch 700 further comprises ignition lock sensor 720, be used for the sensing automobile key and whether be inserted into ignition lock, further comprise ignition lock judgement submodule 752 in the described status control module 750, be used to receive the ignition lock information that senses by ignition lock sensor 720, if automobile key is extracted from ignition lock, ignition lock in the described status control module 750 judges that 752 of submodules get up current seat position information storage and by described motor driver 400 and the mobile backward automatically segment distance of motor 500 control seats, when automobile key is inserted in the ignition lock, then read the location information of memory and the position that will remember by described motor driver 400 and the automatic recovery of motor 500 control seats.According to the present invention, can be in the memory module of automatic switch with described seat position information storage, EEPROM for example.

Second embodiment of the invention, the driver can be solved and when each admission car, all seat will be adjusted, and need the trouble of mobile seat backward when haveing automobile, thereby make the driver that key is inserted or when extracting ignition lock, seat is automatically moved to the desired position.

As shown in Figure 6, according to the 3rd embodiment of the present invention, described mode switch 700 further comprises door contact interrupter sensor 730, being used for the sensing car door is in and begins still closed condition, described status control module 750 further comprises with described door contact interrupter sensor 730 cooresponding door contact interrupters judges submodule 753, is used to receive the door contact interrupter information that is sensed by described door contact interrupter sensor 730; If car door is in closed condition and described ignition lock sensor 720 and senses key and be not inserted in the ignition lock, then described status control module 750 sends chip selection signal to described manual control module 250 and automatic control module 350, and the refusal seat takes place manually or automatically to move.

When staying children in the car separately, usually with closing of the door and pull up automobile key, according to third embodiment of the invention, unconscious shake-up seat switch in the time of can preventing that children from being stayed in the car separately, thus preventing that seat from moving damages children.

Claims

1. chair control device, described control setup comprises processing unit, hand switch, automatic switch, motor driver and motor, comprise in the described processing unit with the cooresponding manual control module of described hand switch and with the cooresponding automatic control module of described automatic switch, be respectively applied for to receive and come from the signal of described hand switch and automatic switch and generate cooresponding control signal to come by described motor driver control motor, it is characterized in that, also comprise mode switch and with the cooresponding status control module of this mode switch, described motor driver receives and comes from the control signal of described processing unit and control described motor according to this control signal, described mode switch is used to receive the status signal of vehicle and this status signal is sent to described processing unit, with the cooresponding status control module of this mode switch in described processing unit, be used to receive the Vehicular status signal that comes from described mode switch, and described manual control module and automatic control module carried out in the following control at least one according to this status signal:

When vehicle was in motoring condition, described status control module shielded described automatic control module;

When car door was in closed condition and key and is not inserted in the ignition lock, described status control module sent chip selection signal to described manual control module and described automatic control module, and the refusal seat takes place manually or automatically to move.

2. chair control device according to claim 1, wherein, described mode switch comprises the vehicle running state receptor, be used to receive the motoring condition signal of vehicle and this motoring condition signal is sent to described status control module, comprise in the described status control module with the cooresponding motoring condition of this motoring condition receptor and differentiate submodule, be used for judging according to this motoring condition signal whether vehicle is in motoring condition.

3. seat control control according to claim 2, wherein, described vehicle running state receptor is car speed sensor or P shelves sensor.

4. according to any described chair control device in the claim 1 to 3, wherein said mode switch further comprises the ignition lock sensor, be used for the sensing automobile key and whether be inserted into ignition lock, further comprise ignition lock judgement submodule in the described status control module, be used to receive the ignition lock information that senses by the ignition lock sensor, and judge according to this information whether key is inserted in the ignition lock.

5. chair control device according to claim 4, described mode switch further comprises the door contact interrupter sensor, be used for the sensing car door and be in unlatching or closed condition, described status control module further comprises with the cooresponding door contact interrupter of described door contact interrupter sensor judges submodule, be used to receive the door contact interrupter information that senses by described door contact interrupter sensor, and judge according to this information whether car door is in closed condition.