CN205918289U - Car tail -gate remote control system - Google Patents

Abstract

The utility model relates to a car tail -gate remote control system for the automobile tail -gate, it discloses the CAN no. 2 that high low -speed CAN no. 2 selected a circuit 2 and has selected a signal output part and CAN1 power control circuit 6's CAN no. 2 to select a signal input part, and transmission CAN no. 2 selects a signal, CAN1 power control circuit 6's CAN signal output part is connected with MCU control circuit 3's CAN signal input part, transmission CAN signal, MCU control circuit 3's tail -gate control signal output is connected with button detection circuitry 5's tail -gate control signal input, transmission tail -gate control signal, button detection circuitry 5's tail -gate drive signal output and outside tail -gate arm drive device are connected. The utility model has the advantages that can be convenient on the car or from the car have certain apart from the time open, the tail -gate that cut -offs, to the operation of tail -gate and safety, power saving, more humanized during convenient handheld too much article, long service life.

Description

Automobile tail gate remote control systems

Technical field

This utility model is related to automobile tail gate remote control systems, specifically a kind of easy to operate, safety, the automobile of power saving Tail-gate remote control systems.

Background technology

Get on the car tail-gate namely electric trunk in fact in existing market, remote closing tail-gate system refers to boot and adopts remote control Mode is turned on and off, and to open boot, only need to click button or the remote-control key in car, boot will be certainly Oneself opens, if boot to be closed, after just clicking X button in boot or the X button of in-car, or Remote-control key will turn itself off for case, so just facilitates vehicle driver when having a certain distance from car easily Open and close tailstock door, but the remote control systems on existing market have design complexity, safety coefficient is low, power consumption is big, service life is short The shortcomings of.

Utility model content

The purpose of this utility model is to provide automobile tail gate remote control systems, and its easy to operate and more hommization uses Shi Anquan, power saving, long service life.

Technical solution of the present utility model is in power control circuit 1, high low speed can alternative circuit 2, and mcu is controlled Circuit 3 processed, level shifting circuit 4, key press detecting circuit 5, on the basis of can1 power control circuit 6, it is characterized in described The can alternative signal output part of high low speed can alternative circuit 2 is defeated with the can alternative signal of can1 power control circuit 6 Enter end, transmit can alternative signal to can1 power control circuit 6；The can signal output part of can1 power control circuit 6 with The can signal input part of mcu control circuit 3 is connected, and transmits can signal to mcu control circuit 3；The tail of mcu control circuit 3 Gate control signal outfan is connected with the tail-gate control signal input of key press detecting circuit 5, transmits to mcu control circuit 3 Tail-gate control signal；The tail-gate drive signal outfan of key press detecting circuit 5 is connected with outside tail-gate mechanical arm driving equipment.Institute Ic chip u3 model tja1055t, u4 model tja1041t in the high low speed can alternative circuit 2 stated, the 1 of ic chip u4 Foot and 4 feet are on-vehicle host can signal transmitting and receiving end, and 11,12 feet of ic chip u3 and 13,12 feet of ic chip u3 select for can bis- One signal output part；The model 8050 of audion q3 in can1 power control circuit 6, the base stage of audion q3 is selected for can bis- One signal input part, the transmitting extremely can signal output part of audion q3；The model of single-chip microcomputer u5 in mcu control circuit 3 10 feet of stm32f103c8t6, single-chip microcomputer u5 are can signal input part, and 20 feet of single-chip microcomputer u5 export for tail-gate control signal End；Model ao3402 of field effect transistor q8 in key press detecting circuit 5, the model 8050 of audion q9, field effect transistor q8 Grid is tail-gate control signal input, and the drain electrode of field effect transistor q8 is tail-gate drive signal outfan.

Operation principle of the present utility model be upper electricity after hardware check, included detecting whether former car can signal and The vehicle that toggle switch selects.After upper electricity, red light can bright, if 5 seconds about systems understand dormancy, entirely after electricity no on can signal Portion's lamp extinguishes；If having can signal but Truck type choice is not right, red light can Chang Liang always, and green light can replace 4 seconds intervals bright and Go out；If having can signal and Truck type choice being correct, red light starts alternately fast blink in often bright 3 seconds afterwards.After Truck type choice is correct In the state of tail-gate is opened, the short tail-gate control key by remote control or left front door or can not make tail-gate close；Beat in tail-gate Open or close during closing, short by or the long tail-gate control key by remote control or left front door nor make tail-gate close；Complete in tail-gate In the state of entirely opening, length can export a low level by the tail-gate control key of remote control or left front door, by the height of tail-gate mechanical arm Level moment drags down, and so that tail-gate is automatically switched off.Realize remote control or the tail-gate control key length of left front door is set as automatically closing by signal Close tail-gate.So when car owner onboard or from car has a certain distance, find that tail-gate does not also close, avoid the need for getting off or go to At tail-gate, the closing button directly pressed on tail-gate closes tail-gate, it is to avoid when opening the door because of hand-held excessive object inconvenience, relaxedly and rapidly Realize object and be stored in vehicle, make this car more humane, more intelligent.

The utility model has the advantages that facilitating onboard or having open and close tailstock door during a certain distance from car, facilitate handss Hold during excessive object to the operation of tail-gate and safety, power saving, more hommization, long service life.

Brief description

Fig. 1 is frame structure schematic diagram of the present utility model；

Fig. 2 is power control circuit schematic diagram of the present utility model；

Fig. 3 is high low speed can alternative circuit theory diagrams of the present utility model；

Fig. 4 is can1 power control circuit schematic diagram of the present utility model；

Fig. 5 is level shifting circuit schematic diagram of the present utility model；

Fig. 6 is key press detecting circuit schematic diagram of the present utility model；

Fig. 7 is mcu control circuit schematic diagram of the present utility model.

Specific embodiment

According to Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, this utility model is in power control circuit 1, high low speed Can alternative circuit 2, mcu control circuit 3, level shifting circuit 4, key press detecting circuit 5, the base of can1 power control circuit 6 On plinth, it is characterized in the described can alternative signal output part of high low speed can alternative circuit 2 and can1 power supply electricity The can alternative signal input part on road 6, transmits can alternative signal to can1 power control circuit 6；Can1 power supply electricity The can signal output part on road 6 is connected with the can signal input part of mcu control circuit 3, to mcu control circuit 3 transmission can letter Number；The tail-gate control signal outfan of mcu control circuit 3 is connected with the tail-gate control signal input of key press detecting circuit 5, Transmit tail-gate control signal to mcu control circuit 3；The tail-gate drive signal outfan of key press detecting circuit 5 and outside tail-gate machine Tool arm driving equipment connects.Ic chip u3 model tja1055t, u4 model in described high low speed can alternative circuit 2 1 foot of tja1041t, ic chip u4 and 4 feet are on-vehicle host can signal transmitting and receiving end, 11,12 feet of ic chip u3 and ic chip The 13 of u3,12 feet are can alternative signal output part；The model 8050 of audion q3, three poles in can1 power control circuit 6 The base stage of pipe q3 is can alternative signal input part, the transmitting extremely can signal output part of audion q3；Mcu control circuit 3 Model stm32f103c8t6 of middle single-chip microcomputer u5,10 feet of single-chip microcomputer u5 are can signal input part, 20 feet of single-chip microcomputer u5 For tail-gate control signal outfan；Model ao3402 of field effect transistor q8 in key press detecting circuit 5, the model of audion q9 8050, the grid of field effect transistor q8 is tail-gate control signal input, and the drain electrode of field effect transistor q8 exports for tail-gate drive signal End.

It is illustrated in figure 2 power control circuit 1, this module is mainly made up of 4 parts.One socket pin pair of the first Answer schematic diagram；Its two be one by 12v power voltage step down be 3.3v circuit, this circuit control chip is ncv4274a, and it is one Individual ldo power supply chip, for blood pressure lowering；It three is directly the 5v of input to be converted to the level shifting circuit of 3.3v, and it is even Meet a most pipe ao3041；It four is to control acc_on by mcu control circuit 3, makes on and off switch chip 9435 select to have The Power convert of 12v is the voltage output of 5v.

It is illustrated in figure 3 high low speed can alternative circuit 2, this module is divided into 2 two portions of high low speed can alternative circuit It is grouped into, both only need to select a circuit.The control chip of low speed can circuit is tja1055t, the control of high speed can Chip is tja1041t, and they all accept the control of mcu control circuit 3, after mcu control circuit 3 sends signal, high speed can Or low speed can export can1 high level and can1 low level by respective control chip.

Be illustrated in figure 4 can1 power control circuit 6, this module detect power control circuit 1 in 12v acc output with And the acc of the can1 of high low speed can alternative circuit 2, when this two acc is detected and being all 12v, it will export a detection Signal mcu_wkup, to mcu control circuit 3, otherwise exports a low level.

It is illustrated in figure 5 level shifting circuit 4, this module is made up of two parts.The first is electric when mcu control is detected When road 2 exports a detection signal ir_ctrl1, an infrared sending function can be simulated, the power supply acc of 12v is converted to simultaneously The voltage of 5v gives outside；Its two be when detect mcu control circuit 2 export a detection signal av1_pwron when, can to outside Interface provides the power supply acc of a 12v.

It is illustrated in figure 6 mcu control circuit 3 and transmits tail-gate drive signal kyy_ctrl to key press detecting circuit 5, button is examined Slowdown monitoring circuit 5 outside tail-gate mechanical arm driving equipment one tail-gate drive signal key_in of transmission after processing.

It is illustrated in figure 7 mcu control circuit 3, the main chip of this module is stm32f103c8t6, and this single-chip microcomputer is main It is responsible for sending detection signal ir_ctrl1, av1_pwron and to level shifting circuit 4 and send detection signal can1_tx, can1_ Rx, can1_en give high low speed can alternative circuit 2；And receive key press detecting circuit 5 detection signal kyy_ctrl and key_det.

Claims (2)

1. automobile tail gate remote control systems, it includes power control circuit (1), high low speed can alternative circuit (2), and mcu controls electricity Road (3), level shifting circuit (4), key press detecting circuit (5), can1 power control circuit (6), it is characterized in that described height The can alternative signal output part of fast can alternative circuit (2) is defeated with the can alternative signal of can1 power control circuit (6) Enter end, transmit can alternative signal to can1 power control circuit (6)；The can signal output of can1 power control circuit (6) End is connected with the can signal input part of mcu control circuit (3), transmits can signal to mcu control circuit (3)；Mcu controls electricity The tail-gate control signal outfan on road (3) is connected with the tail-gate control signal input of key press detecting circuit (5), to mcu control Circuit (3) processed transmits tail-gate control signal；The tail-gate drive signal outfan of key press detecting circuit (5) and outside tail-gate mechanical arm Driving equipment connects.

2. automobile tail gate remote control systems according to claim 1, is characterized in that described high low speed can alternative circuit (2) ic chip u3 model tja1055t, u4 model tja1041t in, 1 foot of ic chip u4 and 4 feet are on-vehicle host can Signal transmitting and receiving end, 11,12 feet of ic chip u3 and 13,12 feet of ic chip u3 are can alternative signal output part；Can1 power supply The model 8050 of audion q3 in control circuit (6), the base stage of audion q3 is can alternative signal input part, audion The transmitting of q3 extremely can signal output part；Model stm32f103c8t6 of single-chip microcomputer u5, monolithic in mcu control circuit (3) 10 feet of machine u5 are can signal input part, and 20 feet of single-chip microcomputer u5 are tail-gate control signal outfan；Key press detecting circuit (5) Model ao3402 of middle field effect transistor q8, the model 8050 of audion q9, the grid of field effect transistor q8 controls letter for tail-gate Number input, the drain electrode of field effect transistor q8 is tail-gate drive signal outfan.