CN108045329A - Vehicle tail door ECU controllers and control method - Google Patents
Vehicle tail door ECU controllers and control method Download PDFInfo
- Publication number
- CN108045329A CN108045329A CN201711418403.8A CN201711418403A CN108045329A CN 108045329 A CN108045329 A CN 108045329A CN 201711418403 A CN201711418403 A CN 201711418403A CN 108045329 A CN108045329 A CN 108045329A
- Authority
- CN
- China
- Prior art keywords
- tail
- unit
- gate
- ecu
- strut
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
- B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/02—Power-actuated vehicle locks characterised by the type of actuators used
- E05B81/04—Electrical
- E05B81/06—Electrical using rotary motors
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B81/00—Power-actuated vehicle locks
- E05B81/54—Electrical circuits
- E05B81/56—Control of actuators
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/0026—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units
- H05K5/0047—Casings, cabinets or drawers for electric apparatus provided with connectors and printed circuit boards [PCB], e.g. automotive electronic control units having a two-part housing enclosing a PCB
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/06—Hermetically-sealed casings
- H05K5/061—Hermetically-sealed casings sealed by a gasket held between a removable cover and a body, e.g. O-ring, packing
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
- H05K7/20409—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing
- H05K7/20427—Outer radiating structures on heat dissipating housings, e.g. fins integrated with the housing having radiation enhancing surface treatment, e.g. black coating
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME RELATING TO HINGES OR OTHER SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS AND DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION, CHECKS FOR WINGS AND WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Application of doors, windows, wings or fittings thereof for vehicles characterised by the type of wing
- E05Y2900/548—Trunk lids
Abstract
The invention discloses a kind of vehicle tail door ECU controllers and control methods, controller includes shell and ECU, the control system of ECU includes central processing unit, CAN signal Transmit-Receive Unit and with CAN bus, one end of CAN signal unit is electrically connected with CAN bus, and the other end is electrically connected with central processing unit；Further include strut control device, door-lock controller, self-priming motor control assembly, tail-gate switch, fault detection unit, buzzer siren and power supply unit.The present invention judges current car status information by obtaining automobile CAN-bus information, and tail-gate switch and locking are automatically controlled according to vehicle-state, so that automobile tail gate switch safety is reliable, the shell of another carrying ECU uses the structure type of upper and lower casing assembling, upper and lower casing individually molds manufacture, reduces mold manufacturing difficulty and assembly precision requirement；And upper and lower casing individually molds manufacture, intensity is high, is easy to be molded, and yields is high.
Description
Technical field
The present invention relates to vehicle ECU technical fields, more particularly to a kind of vehicle tail door ECU controllers and control method.
Background technology
ECU (Electronic Control Unit) electronic control unit, also known as " car running computer ", " vehicle-mounted computer " etc..
It is very extensive in the use of automotive field.ECU includes shell and internal element, and internal element is mainly by circuit board and coil structure
Into.
With the continuous popularization of China's family car, consumer proposes the comfort of driving, security and simple operation
Higher requirement is gone out, the opening and closing of automobile tail gate is traditionally to be operated manually after being unlocked by driver, is to pass through Pneumatic support
What bar was realized, in domestic existing automobile, generally mostly using pneumatic rod, the only vehicle of high gauge uses electric tail gate,
It is realized by electronic strut, and due to the location of automobile and the difference of automobile tail gate load-bearing, needed for electronic strut
The power wanted also can be different.
Some vehicles are liftoff higher after tail-gate opening, and women car owner and some male car owners of short and small stature are in switch tail
Some are difficult during door, and some vehicle tail door torques are larger, also quite painstaking for the smaller car owner of strength.Due to electronic tail
It is the features such as convenience of door, air, big tail-gate opening range, deep to be liked by car owners.
In the prior art, general electric tail gate can only switch to open and close tail-gate by the tail-gate of installation, and
Remain to when encountering tail-gate switch to open tail-gate or even some electric tail gates in non-parking position switch or traveling there are no pinch resistant functionality,
Some security risks or even some vehicles tail-gate in motion state is so can bring about to remain to open, it may be to consumer
Personal property causes damages.
As the carrying shell structure of vehicle tail door controller, ECU housings bear vehicle tail door ECU circuit boards protection,
Connection is fixed, radiates the effects that uniform.
Traditional ECU shells divide upper cover and lower cover, such as Chinese patent (grant number：CN201621072900.8) title：
The shell mentioned in " the ECU shells with sealing function ", shell is also to be made of upper cover and lower cover, is solved to a certain extent
The sealing problems of ECU shells, but there are some defects, water resistance and heat dissipation are uniformly bad, and the intensity of shell is undesirable
The problems such as.
The content of the invention
In view of the problems of the existing technology, the present invention provides a kind of vehicle tail door ECU controllers and control method, lead to
It crosses acquisition automobile CAN-bus information and judges current car status information, and tail-gate switch and lock are automatically controlled according to vehicle-state
Tightly so that automobile tail gate switch safety is reliable, more hommization, intelligence, convenient for users, improves user experience,
With good economic and social benefit；In addition, the shell of carrying ECU, structure are simplified, the structure assembled using upper and lower casing
Form, upper shell and lower housing individually mold manufacture, reduce mold manufacturing difficulty and assembly precision requirement, and packaging efficiency is high,
Save assembly cost；And upper shell and lower housing individually mold manufacture, and intensity is high, is easy to be molded, and yields is high.
In order to solve the above technical problems, one aspect of the present invention is：The present invention provides a kind of vehicle tails
Door ECU controllers, the controller include shell and the ECU being installed in the shell；
The shell includes upper shell and lower housing, and the upper shell connect with the lower housing, and the upper shell and
The accommodating space for accommodating ECU is formed between lower housing；The ECU is the PCBA board with electronic component, the lower housing
Four feet all have lower screw hole, and four feet of the upper shell all have upper screw hole corresponding with the lower screw hole of the lower housing,
Bolt is through lower screw hole and is tightened against screw hole and realizes being fixedly connected for lower housing and upper shell；
The lower housing includes four lower walls and a bottom wall, and the lower wall and the bottom wall are integrally formed connection
, the bottom wall is equipped with more lower limit blend stops, and each lower limit blend stop is all from the lower wall of the lower housing to lower casing
The middle part extension of body, each lower limit blend stop have upward protrusion close to the one end at the middle part of lower housing；The lower casing
The bottom wall of body is additionally provided with more crisscross lower reinforcing ribs, and the height of the lower reinforcing rib is less than the height of the lower limit blend stop
Degree, the edge of the ECU have fluting, and the protrusion of the lower limit blend stop, and the fluting position are carried on after the ECU installations
In the top of the lower limit blend stop, and there is gap between the upper surface of the lower reinforcing rib；
The upper shell includes four upper side walls and a roof, and the upper side wall and roof are integrally formed connection,
The roof is equipped with more upper limit blend stops, and each upper limit blend stop is all from the upper side wall of the upper shell to upper shell
Middle part extends, and each upper limit blend stop is the second inner face close to the end face at the middle part of upper shell, is defined in described second
End face is that the upper limit blend stop of plane is the first upper limit blend stop, and the upper limit blend stop that second inner face is step surface is
Second upper limit blend stop；The roof of the upper shell is additionally provided with more crisscross upper reinforcing ribs, the height of the upper reinforcing rib
Degree is stuck in the first upper limit blend stop and the ECU less than the height of the upper limit blend stop by the fluting of the ECU
Edge is against the step surface of the second /V blend stop, realizes the /V of ECU described in /V；
The ECU includes control system, and the control system includes central processing unit, has the function of signal transmitting and receiving
CAN signal Transmit-Receive Unit and the CAN bus for receiving information of vehicles, one end and the CAN bus of the CAN signal unit
Electrical connection, and the other end is electrically connected with the central processing unit；
It further includes：
Strut control device, the strut control device include strut motor control unit and control the strut of tail-gate lifting
Motor further includes Hall sensor arranged on the strut motor and with data acquisition function, the strut motor control
One end of unit is electrically connected with the central processing unit, and the other end is electrically connected with the strut motor；The hall sensing
Device is electrically connected with the central processing unit；
Door-lock controller, the door-lock controller include having the function of the door lock electronic control unit that sends of instruction with
There is the door lock execution unit executed instruction, one end and the central processing unit electricity of the door lock electronic control unit
Connection, and the other end is electrically connected with the door lock execution unit；
Self-priming motor control assembly, the self-priming motor control assembly include self-priming motor control unit and for being attracted tail
The self-priming motor of the lock catch of door lock of door, one end of the self-priming motor control unit are electrically connected with the central processing unit, and
The other end is electrically connected with the self-priming motor；
Tail-gate switchs, and the tail-gate switch is electrically connected with the central processing unit；
Have the function of detect line anomalies whether fault detection unit, the fault detection unit simultaneously with the strut
Motor, the Hall sensor, the self-priming motor and central processing unit electrical connection；
Buzzer siren, the buzzer siren are electrically connected with the central processing unit；
Power supply unit is further included, said supply unit is electrically connected with the central processing unit.
Further say, said supply unit include be located at tail-gate on solar panel, further include electricity generating controller,
Accumulator and rectifier, the solar panel are electrically connected with the electricity generating controller, the electricity generating controller and the storage
Battery is electrically connected, and the accumulator and rectifier electrical connection, the rectifier are electrically connected with the central processing unit.
It further says, the tail-gate switch includes the first switch being arranged in car steering room, is arranged at automobile
Second switch on tail-gate or on automobile remote-control key and be arranged at automobile tail-gate bottom inductive switch, described first opens
It closes, the second switch and the inductive switch are all electrically connected with the central processing unit.
It further says, the lower wall of the lower housing and the junction of bottom wall are equipped with shell being fixed on vehicle body metal plate
The mounting base of gold, the centre of the mounting base have installation through-hole, the installation through-hole embedded nut, the bottom of the mounting base
And there are several blind holes positioned at the periphery of the installation through-hole.
It further says, the lower wall for not setting opening of the lower housing and the junction of bottom wall are equipped with mounting base.
Further say that there is sealing ring between the upper shell and the lower housing.
It further says, the inner surface of the upper shell and the lower housing is described to dissipate all covered with a radiating and cooling layer
The thickness of heat drop temperature layer is 140-160 μm.
It further says, the outer surface of the upper shell and the lower housing is described all covered with one layer of Waterproof corrosion layer
Waterproof corrosion layer is nano water-proof layer, and the thickness of the Waterproof corrosion layer is 0.1-0.8 μm.
The present invention also provides a kind of control method of the vehicle tail door ECU controllers, the control opened including tail-gate
Method processed, includes the following steps：
Step 1: under tail-gate closed state, central processing unit is received by CAN signal Transmit-Receive Unit from vehicle
The tail-gate open signal and car status information of CAN bus, and be transferred to buzzer siren and send alarm signal, simultaneous transmission
Instruct self-priming motor control unit, self-priming motor control unit control self-priming motor action unclamps door lock, back door lock it is electronic
Control unit receives instruction, and door lock execution unit is controlled to open door lock；
Step 2: then instruction is transferred to strut motor control unit, the control of strut control unit by central processing unit
Strut motor rotates and then strut is driven to open tail-gate；
It further says, the control method further includes the control method of tail-gate closing, includes the following steps：
S1, tail-gate unlatching in the state of, central processing unit by CAN signal Transmit-Receive Unit receive from vehicle
The tail-gate shutdown signal and car status information of CAN bus, and be transferred to buzzer siren and send alarm signal, simultaneous transmission
Strut motor control unit is instructed, strut control unit control strut motor rotates and then strut is driven to close tail-gate, and
During tail-gate declines, door lock execution unit action, tail-gate realizes that half locks；
Instruction is transferred to self-priming motor control unit, the control of self-priming motor control unit by S2 and then central processing unit
Self-priming motor action is attracted door lock, realizes the full lock of door lock.
It further says, in step 1 and S1, the information of vehicles of receiving includes vehicle running state, and the vehicle travels shape
State includes speed.
It further says, is further included in S1：The run-length data for the strut that Hall sensor acquisition control tail-gate lifts, and pass
It is defeated by central processing unit.
It further says, is further included in S1：Detection of obstacles program, detection of obstacles program are preset in central processing unit
Include the operating parameter of strut motor, during tail-gate is closed, if running into barrier, the resistance of barrier can change strut
The operating parameter of motor, and central processing unit is fed back to, and then strut motor is controlled to stop or invert
Further say, before ECU control systems execution tail-gate is turned on and off action, the fault detection unit meeting
The state of the electrical-coil of strut motor and self-priming motor is detected, if any one motor has exception, alarms, and prohibits
Only tail-gate is turned on and off, and the state of the electrical-coil includes normal, open circuit, to power supply short circuit and shorted to earth；
Before ECU control systems execution tail-gate is turned on and off action, the state of Hall sensor is detected, if appearance pair
It during ground short circuit exception, then alarms, and tail-gate is forbidden to be turned on and off.
The beneficial effects of the invention are as follows：
First, the present invention includes shell and the ECU being installed in shell, and the wherein control system of ECU includes central processing list
Member, CAN signal Transmit-Receive Unit and CAN bus, strut control device, door-lock controller, self-priming motor control assembly, tail-gate are opened
Pass and fault detection unit pass through the tail that CAN signal Transmit-Receive Unit CAN signal Transmit-Receive Unit receives the CAN bus from vehicle
Door open signal and car status information, and tail-gate switch and locking are automatically controlled according to vehicle-state, so as to fulfill automobile
The automatic opening of tail-gate closes or rests on arbitrary centre position so that automobile tail gate switch safety is reliable, more hommization,
Intelligence, it is convenient for users, user experience is improved, there is good economic and social benefit；
2nd, in the present invention, by the lower limit blend stop of the fluting alignment lower housing of ECU and lower housing is positioned over, it then will be upper
First upper limit blend stop of housing and the fluting of ECU stick into, and pass through the lower screw hole and upper casing of lower housing with bolt or screw afterwards
The upper screw hole of body simultaneously tightens the assembling for realizing the ECU housings, while is realized by the sealing ring between upper and lower casing outside ECU
The sealing of shell, structure are simplified, and the structure type assembled using upper-lower casing, upper shell and lower housing individually mold manufacture, are reduced
Mold manufacturing difficulty and assembly precision requirement, packaging efficiency is high, saves assembly cost；And upper shell and lower housing are individually opened
Molding is made, and intensity is high, is easy to be molded, and yields is high；
3rd, control system of the invention includes door-lock controller and self-priming motor control assembly, is controlled and filled by door lock
The semi-locked state for realizing tail-gate is put, under the action of self-priming motor control assembly, the full lock of the door lock of tail-gate is realized, ensures tail-gate
Door lock it is completely locked, avoid boot article excessive, during vehicle traveling is jolted, automatically spring open, article is lost or pounded
Hinder passing vehicles or pedestrians, improve security；
4th, strut control device of the invention includes Hall that is arranged on the strut motor and having data acquisition function
Sensor presets detection of obstacles program in central processing unit, during tail-gate is closed, if running into barrier, and obstacle
The resistance of object can change the operating parameter of strut motor, and feed back to central processing unit, so control strut motor stop or
Reversion has pinch resistant functionality, during closure or openness, if running into barrier or resistance, will be automatically stopped, reversely dynamic
Make, there is substantive distinguishing features and progress；
5th, for the present invention before ECU control systems execution tail-gate is turned on and off action, fault detection unit can detect support
The state of the electrical-coil of bar motor and self-priming motor if any one motor has exception, alarms, and forbids tail-gate
It is turned on and off, can also detect the state of Hall sensor, if there is shorted to earth exception, alarm, and forbid tail
Door is turned on and off, and is reduced error rate by the judgement of multiple information, is made electric tail gate safety and reliability, easy to operate；
6th, power supply unit of the invention can include solar panel, further include electricity generating controller, accumulator and rectification
Device using solar power generation, powers for ECU control systems, provides electric energy, energy conservation and environmental protection meets Green Travel；And generate
Unemployed electric energy can be stored in accumulator, used when going on a journey for rainy days, very energy saving.One aspect of the present invention is convenient
On the other hand user's use reduces error rate by the judgement of multiple information, makes electric tail gate safety and reliability, operation side
Just；
7th, between upper shell and lower housing of the invention there is sealing ring, can ensure the leakproofness of ECU shells, avoid
Extraneous adverse environment influences its circuit performance；
8th, the installation through-hole embedded nut of mounting base of the invention, when being combined with vehicle metal, intensity is high, the peace of housing
Dress seat will not deform；
9th, the present invention is equipped with the mounting base for fixed shell structure, and the centre of mounting base has installation through-hole, mounting base
Bottom and positioned at installation through-hole periphery have several blind holes, i.e. the non-solid design in bottom of mounting base, guarantee mounting base
In the case of intensity, material is saved, reduces cost；
Tenth, the lower wall for not setting opening of lower housing and the junction of bottom wall of the invention are equipped with mounting base, pass through three
Point is fixed, and stability is strong；
11, it is worked to be easy to ECU all covered with a radiating and cooling layer for the inner surface of upper shell of the invention and lower housing
Journey radiating and cooling provides good working environment for ECU；
12, the outer surface of upper shell of the invention and lower housing avoids rainwater, washes all covered with one layer of Waterproof corrosion layer
Vehicle water or humid environment damage the circuit of ECU, ensure the working environment of ECU, reduce the failure rate of ECU；
13, upper reinforcing rib is equipped in upper shell of the invention, lower reinforcing rib is equipped in lower housing, is saving material cost
In the case of, increase the intensity of shell, will not deform；
14, in the present invention, the protrusion of lower limit blend stop is carried on after ECU installations, and is slotted positioned at lower limit blend stop
Top, and there is gap between the upper surface of lower reinforcing rib, gap is left between ECU and the roof and bottom wall of shell, not directly
Contact, convenient for the radiating and cooling of ECU.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate attached drawing be described in detail as after.
Description of the drawings
Fig. 1 is the surface structure schematic diagram of the present invention；
Fig. 2 is the decomposition texture schematic diagram of the present invention；
Fig. 3 is the structure diagram of the housing of the present invention；
Fig. 4 is the structure diagram of the present invention (in terms of bottom surface)；
Fig. 5 is the structure diagram of the lower housing of the present invention；
The lower housing and the structure diagram after ECU assemblings that Fig. 6 is the present invention；
Fig. 7 is the structure diagram of the upper shell of the present invention；
The upper shell and the structure diagram after ECU assemblings that Fig. 8 is the present invention；
Fig. 9 is the A portions enlarged drawing of Fig. 8；
Figure 10 is the control principle drawing of the ECU of the present invention；
Each several part mark is as follows in attached drawing：
ECU10, central processing unit 1, CAN signal Transmit-Receive Unit 2, CAN bus 3, door lock electronic control unit 41, door lock
Execution unit 42, self-priming motor control unit 51, self-priming motor 52, tail-gate switch 6, fault detection unit 7, buzzer siren 8,
Power supply unit 9, solar panel 91, electricity generating controller 92, accumulator 93, rectifier 94, the first strut motor control unit
101st, the first strut motor 102, the first Hall sensor 103, the second strut motor control unit 111, the second strut motor
112nd, the second Hall sensor 113, former vehicle power-supply unit 95, shell 20, upper shell 201, upper screw hole 2011, the first upper limit
Blend stop 2012, the second upper limit blend stop 2013, upper reinforcing rib 2014, lower housing 202, lower screw hole 2021, lower limit blend stop 2022,
It is protrusion 20221, lower reinforcing rib 2023, mounting base 2024, installation through-hole 20241, blind hole 20242, fluting 1031, opening 204, every
The angle α on one inclined-plane and horizontal plane.
Specific embodiment
Illustrate the specific embodiment of the present invention below by way of particular specific embodiment, those skilled in the art can be by this
The revealed content of specification understands advantages of the present invention and effect easily.The present invention can also other different modes give
Implement, i.e. without departing substantially under the scope of disclosed, different modification and change can be given.
Embodiment：A kind of vehicle tail door ECU controllers, as shown in Fig. 1 to Figure 10, the controller includes shell 20 and peace
Loaded on the ECU10 in the shell；
The shell includes upper shell 201 and lower housing 202, and the upper shell connects with the lower housing, and it is described on
The accommodating space for accommodating ECU 10 is formed between housing and lower housing；The ECU is the PCBA board with electronic component, described
Four feet of lower housing all have lower screw hole 2021, and four feet of the upper shell all have the lower screw hole pair with the lower housing
The upper screw hole 2011 answered, bolt is through lower screw hole and is tightened against screw hole and realizes being fixedly connected for lower housing and upper shell；
The lower housing includes four lower walls and a bottom wall, and the lower wall and the bottom wall are integrally formed connection
, the bottom wall is equipped with more lower limit blend stops 2022, each lower limit blend stop all from the lower wall of the lower housing to
The middle part extension of lower housing, each lower limit blend stop have upward protrusion 20221 close to the one end at the middle part of lower housing；
The bottom wall of the lower housing is additionally provided with more crisscross lower reinforcing ribs 2023, the height of the lower reinforcing rib be less than it is described under
The height of /V blend stop, the edge of the ECU have fluting 2031, the lower limit blend stop are carried on after the ECU installations
Protrusion, and the fluting is located at the top of the lower limit blend stop, and there is gap between the upper surface of the lower reinforcing rib；
The upper shell includes four upper side walls and a roof, and the upper side wall and roof are integrally formed connection,
The roof is equipped with more upper limit blend stops, and each upper limit blend stop is all from the upper side wall of the upper shell to upper shell
Middle part extends, and each upper limit blend stop is the second inner face close to the end face at the middle part of upper shell, is defined in described second
End face is that the upper limit blend stop of plane is the first upper limit blend stop 2012, and second inner face keeps off for the upper limit of step surface
Item is the second upper limit blend stop 2013；The roof of the upper shell is additionally provided with more crisscross upper reinforcing ribs 2014, described
The height of upper reinforcing rib is less than the height of the upper limit blend stop, and being stuck in first upper limit by the fluting of the ECU keeps off
The edge of item and the ECU are against the step surface of the second /V blend stop, realize the /V of ECU described in /V；
The ECU 10 includes control system, and the control system includes central processing unit 1, has the function of signal transmitting and receiving
CAN signal Transmit-Receive Unit 2 and CAN bus 3 for receiving information of vehicles, one end and the CAN of the CAN signal unit
Bus is electrically connected, and the other end is electrically connected with the central processing unit；
It further includes：
Strut control device, the strut control device include strut motor control unit and control the strut of tail-gate lifting
Motor further includes Hall sensor arranged on the strut motor and with data acquisition function, the strut motor control
One end of unit is electrically connected with the central processing unit, and the other end is electrically connected with the strut motor；The hall sensing
Device is electrically connected with the central processing unit；
Door-lock controller, the door-lock controller include the door lock electronic control unit 41 for having the function of that instruction is sent
With the door lock execution unit 42 for having the function of to execute instruction, one end of the door lock electronic control unit and the central processing list
Member electrical connection, and the other end is electrically connected with the door lock execution unit；
Self-priming motor control assembly, the self-priming motor control assembly include self-priming motor control unit 51 and for being attracted
The self-priming motor 52 of the lock catch of door lock of tail-gate, one end and the central processing unit of the self-priming motor control unit are electrically connected
It connects, and the other end is electrically connected with the self-priming motor；
Tail-gate switch 6, the tail-gate switch are electrically connected with the central processing unit；
Have the function of detect line anomalies whether fault detection unit 7, the fault detection unit simultaneously with the support
Bar motor, the Hall sensor, the self-priming motor and central processing unit electrical connection；
Buzzer siren 8, the buzzer siren are electrically connected with the central processing unit；
Power supply unit 9 is further included, said supply unit is electrically connected with the central processing unit.
In the present embodiment, said supply unit includes the solar panel 91 being located on tail-gate, further includes Generation Control
Device 92, accumulator 93 and rectifier 94, the solar panel are electrically connected with the electricity generating controller, the electricity generating controller
It is electrically connected with the accumulator, the accumulator and rectifier electrical connection, the rectifier and the central processing unit
Electrical connection.
Preferably, said supply unit further includes former vehicle power-supply unit 95, the original vehicle power-supply unit with it is described in
Central Processing Unit is electrically connected.
Tail-gate switch includes the first switch being arranged in car steering room, is arranged on the tail-gate of automobile or automobile
Second switch on remote-control key and be arranged at automobile tail-gate bottom inductive switch, the first switch, described second open
It closes and the inductive switch is all electrically connected with the central processing unit.
In the present embodiment, the lower wall of the lower housing and the junction of bottom wall are equipped with shell being fixed on vehicle body metal plate
The mounting base 2024 of gold, the centre of the mounting base have installation through-hole 20241, the installation through-hole embedded nut, the peace
It fills the bottom of seat and there are several blind holes 20242 positioned at the periphery of the installation through-hole.
After the upper shell is connected with the lower housing, the opening 204 that the front end of two confession ECU is stretched out is formed.
The lower wall of the lower housing and the junction of bottom wall are equipped with for shell to be fixed on the mounting base of vehicle body sheet metal
2024, the centre of the mounting base has installation through-hole 20241, the installation through-hole embedded nut, the bottom of the mounting base
And there are several blind holes 20242 positioned at the periphery of the installation through-hole.
One side of each lower limit blend stop close to the middle part of lower housing is inner face, and each inner face is all to dip down
The angle α of oblique inclined-plane, each inclined-plane and horizontal plane is all 130-140 °.
Each edge of the ECU all has there are one the fluting, quantity and the fluting of the first upper limit item
Quantity is consistent and position corresponds to.
The second upper limit blend stop has 8, and each upper side wall is all equipped with 2 all positioned at the first upper limit item
Both sides.
The lower wall for not setting opening of the lower housing and the junction of bottom wall are equipped with mounting base.
There is sealing ring between the upper shell and the lower housing.
The inner surface of the upper shell and the lower housing is all covered with a radiating and cooling layer, the thickness of the radiating and cooling layer
It spends for 140-160 μm.
In the present embodiment, the radiating and cooling layer is the ZS-411 models using Lan Kaijie Science and Technology Ltd.s of Shenzhen
Coating made from product, but not limited to this.
All covered with one layer of Waterproof corrosion layer, the Waterproof corrosion layer is for the outer surface of the upper shell and the lower housing
Nano water-proof layer, the thickness of the Waterproof corrosion layer is 0.1-0.8 μm.
In the present embodiment, the nano water-proof layer is the EC-6220 using You Bao new materials Science and Technology Ltd. of Shenzhen
Coating made from type product, but not limited to this.
The control method of the vehicle tail door ECU controllers, including the control method that tail-gate is opened, including walking as follows
Suddenly：
Step 1: under tail-gate closed state, central processing unit is received by CAN signal Transmit-Receive Unit from vehicle
The tail-gate open signal and car status information of CAN bus, and be transferred to buzzer siren and send alarm signal, simultaneous transmission
Instruct self-priming motor control unit, self-priming motor control unit control self-priming motor action unclamps door lock, back door lock it is electronic
Control unit receives instruction, and door lock execution unit is controlled to open door lock；
Step 2: then instruction is transferred to strut motor control unit, the control of strut control unit by central processing unit
Strut motor rotates and then strut is driven to open tail-gate；
The control method of tail-gate closing is further included, is included the following steps：
S1, tail-gate unlatching in the state of, central processing unit by CAN signal Transmit-Receive Unit receive from vehicle
The tail-gate shutdown signal and car status information of CAN bus, and be transferred to buzzer siren and send alarm signal, simultaneous transmission
Strut motor control unit is instructed, strut control unit control strut motor rotates and then strut is driven to close tail-gate, and
During tail-gate declines, door lock execution unit action, tail-gate realizes that half locks；
Instruction is transferred to self-priming motor control unit, the control of self-priming motor control unit by S2 and then central processing unit
Self-priming motor action is attracted door lock, realizes the full lock of door lock.
In the present embodiment, in step 1 and S1, the information of vehicles of receiving includes vehicle running state, and the vehicle travels shape
State includes speed.
It is further included in S1：The run-length data for the strut that Hall sensor acquisition control tail-gate lifts, and it is transferred to centre
Manage unit.
It is further included in S1：Detection of obstacles program is preset in central processing unit, detection of obstacles program includes strut electricity
The operating parameter of machine, during tail-gate is closed, if running into barrier, the resistance of barrier can change the operation of strut motor
Parameter, and central processing unit is fed back to, and then strut motor is controlled to stop or invert.
In addition, before ECU control systems execution tail-gate is turned on and off action, the fault detection unit can detect support
The state of the electrical-coil of bar motor and self-priming motor if any one motor has exception, alarms, and forbids tail-gate
It is turned on and off, the state of the electrical-coil includes normal, open circuit, to power supply short circuit and shorted to earth；
Before ECU control systems execution tail-gate is turned on and off action, the state of Hall sensor is detected, if appearance pair
It during ground short circuit exception, then alarms, and tail-gate is forbidden to be turned on and off.
The central processing unit is MCU.
In the present embodiment, the strut control device set there are two and respectively the first strut control device and the second strut
Control device；
The first strut control device includes the first support of the first strut motor control unit 101 and control tail-gate lifting
Bar motor 102 further includes the first Hall sensor 103 arranged on the first strut motor, the first strut motor control
One end of unit is electrically connected with the central processing unit, and the other end is electrically connected with the first strut motor；Described first
Hall sensor is electrically connected with the central processing unit；
The second strut control device includes the second support of the second strut motor control unit 111 and control tail-gate lifting
Bar motor 112 further includes the second Hall sensor 113 arranged on the second strut motor, the second strut motor control
One end of unit is electrically connected with the central processing unit, and the other end is electrically connected with the second strut motor；Described second
Hall sensor is electrically connected with the central processing unit.
The course of work and operation principle of the present invention is as follows：
In the present invention, by the lower limit blend stop of the fluting alignment lower housing of ECU and lower housing is positioned over, then by upper shell
The first upper limit blend stop and the fluting of ECU stick into, afterwards with bolt or screw through the lower screw hole and upper shell of lower housing
Upper screw hole simultaneously tightens the assembling for realizing the ECU housings, while realizes ECU shells by the sealing ring between upper and lower casing
Sealing；
The control system of the present invention includes central processing unit, CAN signal Transmit-Receive Unit and CAN bus, strut control dress
Put, door-lock controller, self-priming motor control assembly, tail-gate switch and fault detection unit, pass through CAN signal Transmit-Receive Unit
CAN signal Transmit-Receive Unit receives the tail-gate open signal and car status information of the CAN bus from vehicle, and according to vehicle
State automatically controls tail-gate switch and locking, and automatic opening so as to fulfill automobile tail gate closes or rests on arbitrary interposition
It puts so that automobile tail gate switch safety is reliable, more hommization, intelligence, convenient for users, improves user experience,
With good economic and social benefit.
The foregoing is merely the embodiment of the present invention, not thereby the foregoing is merely the embodiment of the present invention, not because
This limitation the present invention the scope of the claims, every equivalent structure made using description of the invention and accompanying drawing content or directly or
Other related technical areas are used in indirectly, are included within the scope of the present invention.
Claims (10)
1. a kind of vehicle tail door ECU controllers, it is characterised in that：The controller includes shell (20) and is installed on the shell
Interior ECU (10)；
The shell includes upper shell (201) and lower housing (202), the upper shell and is connected with the lower housing, and it is described on
The accommodating space for accommodating ECU (10) is formed between housing and lower housing；The ECU be the PCBA board with electronic component, institute
Stating four feet of lower housing all has lower screw hole (2021), and four feet of the upper shell all have the lower spiral shell with the lower housing
The corresponding upper screw hole (2011) in hole, bolt pass through lower screw hole and are tightened against the fixed company that screw hole realizes lower housing and upper shell
It connects；
The lower housing includes four lower walls and a bottom wall, and the lower wall and the bottom wall are integrally formed connection,
The bottom wall is equipped with more lower limit blend stops (2022), and each lower limit blend stop is all downward from the lower wall of the lower housing
The middle part extension of housing, each lower limit blend stop have upward protrusion (20221) close to the one end at the middle part of lower housing；
The bottom wall of the lower housing is additionally provided with more crisscross lower reinforcing ribs (2023), and the height of the lower reinforcing rib is less than described
The height of lower limit blend stop, the edge of the ECU have fluting (2031), the lower limit gear are carried on after the ECU installations
The protrusion of item, and the fluting is located at the top of the lower limit blend stop, and have between the upper surface of the lower reinforcing rib
Gap；
The upper shell includes four upper side walls and a roof, and the upper side wall and roof are integrally formed connection, described
Roof is equipped with more upper limit blend stops, and each upper limit blend stop is all from the upper side wall of the upper shell to the middle part of upper shell
Extension, each upper limit blend stop are the second inner face close to the end face at the middle part of upper shell, define second inner face
Upper limit blend stop for plane is the first upper limit blend stop (2012), and the upper limit blend stop that second inner face is step surface
For the second upper limit blend stop (2013)；The roof of the upper shell is additionally provided with more crisscross upper reinforcing ribs (2014), institute
The height for stating reinforcing rib is less than the height of the upper limit blend stop, and first upper limit is stuck in by the fluting of the ECU
The edge of blend stop and the ECU are against the step surface of the second /V blend stop, realize the /V of ECU described in /V；
The ECU (10) includes control system, and the control system includes central processing unit (1), has the function of signal transmitting and receiving
CAN signal Transmit-Receive Unit (2) and for receiving the CAN bus of information of vehicles (3), one end of the CAN signal unit and institute
CAN bus electrical connection is stated, and the other end is electrically connected with the central processing unit；
It further includes：
Strut control device, the strut control device include strut motor control unit and control the strut electricity of tail-gate lifting
Machine, further includes Hall sensor arranged on the strut motor and with data acquisition function, and the strut motor control is single
One end of member is electrically connected with the central processing unit, and the other end is electrically connected with the strut motor；The Hall sensor
It is electrically connected with the central processing unit；
Door-lock controller, the door-lock controller include having the function of instructing the door lock electronic control unit (41) that sends and
There is the door lock execution unit (42) executed instruction, one end of the door lock electronic control unit and the central processing list
Member electrical connection, and the other end is electrically connected with the door lock execution unit；
Self-priming motor control assembly, the self-priming motor control assembly include self-priming motor control unit (51) and for being attracted tail
The self-priming motor (52) of the lock catch of door lock of door, one end and the central processing unit of the self-priming motor control unit are electrically connected
It connects, and the other end is electrically connected with the self-priming motor；
Tail-gate switchs (6), and the tail-gate switch is electrically connected with the central processing unit；
Have the function of detect line anomalies whether fault detection unit (7), the fault detection unit simultaneously with the strut
Motor, the Hall sensor, the self-priming motor and central processing unit electrical connection；
Buzzer siren (8), the buzzer siren are electrically connected with the central processing unit；
Power supply unit (9) is further included, said supply unit is electrically connected with the central processing unit.
2. vehicle tail door ECU controllers according to claim 1, it is characterised in that：Said supply unit includes being located at tail
Solar panel (91) on door further includes electricity generating controller (92), accumulator (93) and rectifier (94), the solar energy
Solar panel is electrically connected with the electricity generating controller, and the electricity generating controller is electrically connected with the accumulator, the accumulator and institute
Rectifier electrical connection is stated, the rectifier is electrically connected with the central processing unit.
3. vehicle tail door ECU controllers according to claim 1, it is characterised in that：The tail-gate switch includes being arranged at
First switch in car steering room is arranged at the second switch on the tail-gate of automobile or on automobile remote-control key and is arranged at vapour
The inductive switch of the tail-gate bottom of vehicle, the first switch, the second switch and the inductive switch all with the centre
Manage unit electrical connection.
4. vehicle tail door ECU controllers according to claim 1, it is characterised in that：The lower wall of the lower housing and bottom
The junction of wall is equipped with for shell to be fixed on the mounting base (2024) of vehicle body sheet metal, and the centre of the mounting base has installation
Through hole (20241), the installation through-hole embedded nut, the bottom of the mounting base and the periphery for being located at the installation through-hole have
Several blind holes (20242).
5. vehicle tail door ECU controllers according to claim 1, it is characterised in that：Said supply unit further includes former vehicle
Supply unit (95), the original vehicle power-supply unit are electrically connected with the central processing unit.
6. a kind of control method of vehicle tail door ECU controllers according to claim 1, it is characterised in that：Including tail-gate
The control method of unlatching, the control method include the following steps：
Step 1: under tail-gate closed state, central processing unit is total by CAN of the CAN signal Transmit-Receive Unit receiving from vehicle
The tail-gate open signal and car status information of line, and be transferred to buzzer siren and send alarm signal, simultaneous transmission instruction
To self-priming motor control unit, self-priming motor control unit control self-priming motor action unclamps door lock, back door lock Electronic control
Unit receives instruction, and door lock execution unit is controlled to open door lock；
Step 2: then instruction is transferred to strut motor control unit, strut control unit control strut by central processing unit
Motor rotates and then strut is driven to open tail-gate.
7. the control method of vehicle tail door ECU controllers according to claim 6, it is characterised in that：Further include tail-gate pass
The control method closed, the control method include the following steps：
S1, tail-gate unlatching in the state of, central processing unit by CAN signal Transmit-Receive Unit receive the CAN from vehicle it is total
The tail-gate shutdown signal and car status information of line, and be transferred to buzzer siren and send alarm signal, simultaneous transmission instruction
To strut motor control unit, strut control unit control strut motor rotates and then strut is driven to close tail-gate, and in tail
During door declines, door lock execution unit action, tail-gate realizes that half locks；
Instruction is transferred to self-priming motor control unit, self-priming motor control unit control self-priming by S2 and then central processing unit
Motor action is attracted door lock, realizes the full lock of door lock.
8. the control method of the vehicle electric tail-gate ECU control systems according to claim 6 or 7, it is characterised in that：Step
In one and S1, the information of vehicles of receiving includes vehicle running state, and the vehicle running state includes speed.
9. the control method of vehicle tail door ECU controllers according to claim 7, it is characterised in that：It is further included in S1：Suddenly
The run-length data for the strut that your sensor acquisition control tail-gate lifts, and it is transferred to central processing unit.
10. the control method of vehicle tail door ECU controllers according to claim 7, it is characterised in that：It is further included in S1：
Detection of obstacles program is preset in central processing unit, detection of obstacles program includes the operating parameter of strut motor, in tail-gate
During closing, if running into barrier, the resistance of barrier can change the operating parameter of strut motor, and feed back to centre
Unit is managed, and then strut motor is controlled to stop or invert.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418403.8A CN108045329A (en) | 2017-12-25 | 2017-12-25 | Vehicle tail door ECU controllers and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711418403.8A CN108045329A (en) | 2017-12-25 | 2017-12-25 | Vehicle tail door ECU controllers and control method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108045329A true CN108045329A (en) | 2018-05-18 |
Family
ID=62131739
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711418403.8A Pending CN108045329A (en) | 2017-12-25 | 2017-12-25 | Vehicle tail door ECU controllers and control method |
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| Country | Link |
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| CN (1) | CN108045329A (en) |
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| CN109098588A (en) * | 2018-09-03 | 2018-12-28 | 昆山恒瑞诚工业科技有限公司 | The control system and control method of automobile power back door |
| CN109972935A (en) * | 2019-03-07 | 2019-07-05 | 武汉佳特轿车零部件有限公司 | A kind of tail-gate self-priming lock detection system |
| CN113474528A (en) * | 2019-07-31 | 2021-10-01 | 三井金属爱科特株式会社 | Door lock device |
| CN114056259A (en) * | 2020-08-06 | 2022-02-18 | 上海汽车集团股份有限公司 | Car roof domain controller and car roof domain control system |
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| CN114056259A (en) * | 2020-08-06 | 2022-02-18 | 上海汽车集团股份有限公司 | Car roof domain controller and car roof domain control system |
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