CN205485375U - Electric automobile intelligent instrument based on vehicle control functional safety - Google Patents
Electric automobile intelligent instrument based on vehicle control functional safety Download PDFInfo
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- CN205485375U CN205485375U CN201521029034.XU CN201521029034U CN205485375U CN 205485375 U CN205485375 U CN 205485375U CN 201521029034 U CN201521029034 U CN 201521029034U CN 205485375 U CN205485375 U CN 205485375U
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- car controller
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Abstract
The utility model provides an electric automobile intelligent instrument based on vehicle control functional safety, including watchdog circuit module, the reverse trigger of schmidt, electronic switch module, signal sampling circuit module, the main control module, instrument drive control module, instrument display, drive circuit module and bus communication module, wherein, the watchdog circuit module pass through the reverse trigger of schmidt is connected the messenger of electronic switch module can hold, the main control module passes through on the one hand the signal collection circuit module is connected the electronic switch module, on the other hand connects instrument drive control module, drive circuit module and CAN bus communication module, instrument drive control module connects the instrument display. The utility model discloses an automatic control function who the takes over vehicle control unit action attitude seamless handover that goes forward side by side when vehicle control unit is paralysed has ensured whole car control function's safety.
Description
Technical field
This utility model relates to automobile instrument, in particular it relates to a kind of electronic vapour based on whole automobile control function safety
Car intelligence instrument.
Background technology
Electric automobile has become emphasis and the focus of global evolution, and its core includes whole-control system, drives motor
System and electrokinetic cell system etc..Wherein, whole-control system be car load dynamic property, Energy Consumption Economy, reliability,
Safety and maintainable key, entire car controller is its core.Therefore, once entire car controller lost efficacy, electricity
Electrical automobile will lose its driving functions, as entire car controller lost efficacy in vehicle travel process, there is also and causes safety
The great risk of accident.Due to the existence of the on-board high-voltage electrokinetic cell system of electric automobile, once there is driving peace
Full accident, electrokinetic cell system has the risk causing secondary security incident, therefore solves the full-vehicle control of electric automobile
Functional safety problem is particularly important.Therefore the problem solving whole automobile control function safety, is include electric automobile each
The major issue that all must solve in class wagon control.
The fault diagnosis that existing entire car controller is typically provided with controls function with fail safe, though can be at this controller
Make vehicle also have certain country power in the case of partial failure, but at this controller hardware, catastrophe failure occurs
Time will be helpless, entire car controller disabler the vehicle driveability that causes is lost, traffic safety
Problem yet suffers from.
Utility model content
For defect of the prior art, the purpose of this utility model is to provide a kind of based on whole automobile control function safety
Electric automobile intelligence instrument.
The electric automobile intelligence instrument based on whole automobile control function safety provided according to this utility model, including guarding the gate
Canis familiaris L. circuit module, the reverse trigger of Schmidt, electronic switch module, signal sample circuit module, main control module,
Instrument drive control module, instrument display, drive circuit module and bus communication module；
Wherein, described watchdog circuit module connects described electronic switch module by the reverse trigger of described Schmidt
Enable Pin；On the one hand described main control module connects described electrical switch mould by described signal sample circuit module
Block, on the other hand connects described instrument drive control module, drive circuit module and CAN communication module；Institute
State instrument drive control module and connect described instrument display；
Described watchdog circuit module is for receiving the heartbeat signal of entire car controller VMS as feeding Canis familiaris L. input signal；
The reverse trigger of described Schmidt is used for receiving described hello Canis familiaris L. input signal and described Canis familiaris L. input signal of feeding being sent out
Deliver to described electronic switch module；
Described electronic switch module is for inputting the input signal of entire car controller VMS and described hello Canis familiaris L. input signal；
Described main control module is for gathering described hello Canis familiaris L. input signal, car load by described signal sample circuit module
The input signal of controller VMS, for being connected the executor of described entire car controller VMS by drive circuit module,
For being connected the communication bus of described entire car controller VMS by bus communication module.
Preferably, described electronic switch module uses multichannel analog switch；The input of described electronic switch module is led to
Number of channels is no less than the way of the input signal of described electronic switch module；
The road that arbitrary input channel of described electronic switch module is corresponding exports and described signal sample circuit module
Be connected, another road exports for being connected with described entire car controller VSM.
Preferably, described instrument display employing any one instrument following:
-liquid crystal instrument；
-simulation instrument；
-liquid crystal instrument and the mixed display instrument of simulation instrument.
Preferably, the heartbeat signal of described entire car controller VMS is the reflection institute of described entire car controller VMS output
State the signal whether entire car controller VMS paralyses；
After described entire car controller VMS paralyses, export constant signal, be otherwise output as timing pulse signal.
Preferably, described main control module is by the operation to described instrument display of the described signal sample circuit module
Signal and various direct sampled signal, to realize showing information on demand.
Preferably, described bus communication module is adopted as CAN communication module；
Described communication bus uses CAN communication bus.
Preferably, described main control module includes meter display module and dual signal source full-vehicle control module；
Wherein, described meter display module is for being performed to wait to show by instrument display requirement constantly circulation after instrument powers on
Show that signal is until electricity under instrument；
Described dual signal source full-vehicle control module is for being output as reflecting current institute at the reverse trigger of described Schmidt
When stating high level in paralyzed state for entire car controller VSM, by described electronic switch module by entire car controller
All input signals of VMS are switched to described signal sample circuit module described signal sample circuit module of sampling
Output signal, takes over described entire car controller VMS by drive circuit module and is controlled each executor, pass through
Bus communication module takes over described entire car controller VMS communicating and control to electric system and battery system；
Described dual signal source full-vehicle control module is for being output as reflecting current institute at the reverse trigger of described Schmidt
When stating the low level that entire car controller VMS is in normal condition, by described electronic switch module by entire car controller
All input signals of VMS are switched to entire car controller VMS, and are automatically stopped described signal sample circuit module
The sampling of output signal, make bus communication module be switched to monitoring pattern, control at the output of drive circuit module
In off state.
Preferably, described watchdog circuit module is used for receiving described entire car controller VMS or described main control module
Heartbeat signal as feed Canis familiaris L. input signal.
Preferably, nonvolatile memory, remote communication module and navigation positioning module are also included；
Wherein, described nonvolatile memory, described remote communication module and described navigation positioning module are all connected with institute
State main control module；
Described nonvolatile memory travels and the driving recording of system status information for vehicle；
Described remote communication module is for carrying out radio communication with remote equipment；
Navigation positioning module travels navigator fix for vehicle.
Compared with prior art, this utility model has a following beneficial effect:
1, this utility model achieves and takes over the control function of entire car controller when entire car controller is paralysed also
Carry out dynamic seamless switching, it is ensured that the safety of whole automobile control function；
2, this utility model achieves instrument intelligent display, data memory recorder, wireless telecommunications and navigator fix
The effective integration of intelligence instrument function, significantly reduce system cost；
3, in this utility model, hello the Canis familiaris L. input signal of watchdog circuit module also can be produced by main control module, real
The now replacement completely to entire car controller, to reduce integral vehicle cost.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, of the present utility model other
Feature, purpose and advantage will become more apparent upon:
Fig. 1 is structural representation of the present utility model.
In figure:
1 is watchdog circuit module；
2 is the reverse trigger of Schmidt；
3 is electronic switch module；
4 is signal sample circuit module；
5 is main control module
6 is instrument drive control module；
7 is instrument display；
8 is drive circuit module；
9 is CAN communication module；
10 is nonvolatile memory；
11 is remote communication module；
12 is navigation positioning module；
501 is meter display module；
502 is dual signal source full-vehicle control module.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in detail.Following example will assist in the skill of this area
Art personnel are further appreciated by this utility model, but limit this utility model the most in any form.It should be pointed out that, to this
For the those of ordinary skill in field, without departing from the concept of the premise utility, it is also possible to make some deformation and
Improve.These broadly fall into protection domain of the present utility model.
In the present embodiment, as it is shown in figure 1, this utility model provide based on whole automobile control function safety electronic
Automobile intelligent instrument, including watchdog circuit module 1, the reverse trigger of Schmidt 2, electronic switch module 3, letter
Number sample circuit module 4, main control module 5, instrument drive control module 6, instrument display 7, drive circuit
Module 8 and CAN communication module 9；
Wherein, the Canis familiaris L. input signal of feeding of watchdog circuit module 1 is the heartbeat signal from entire car controller VMS,
Its output is connected and by main control module 5 with the Enable Pin of electronic switch module 3 after the reverse trigger of Schmidt 2
Sampling, all input signals that driver manipulates the entire car controller VMS such as signal and travel condition of vehicle signal are common
Be connected to electronic switch module 3 and entire car controller VSM, main control module 5 respectively with instrument drive control module
6, drive circuit module 8 is connected with bus communication module 9, the output of each road of drive circuit module 8 respectively with
The output of entire car controller VMS is commonly connected to each executor of entire car controller VMS, and bus communication module 9 is even
Receive the CAN communication bus of entire car controller VMS.
Described electronic switch module 3 uses multichannel analog to switch, and its input channel number is no less than its input signal
Way, every input channel corresponding one tunnel output be connected with described signal sample circuit module 4, another road export
It is connected with described entire car controller VMS.
Described instrument display 7 is liquid crystal instrument or simulates instrument or the mixed display instrument of liquid crystal instrument and simulation instrument
Table.
The heartbeat signal of described entire car controller VMS is that described entire car controller VMS output reflects whether it paralyses
Signal, exports constant signal after described entire car controller VMS paralyses, is otherwise output as timing pulse signal.
The operation of described instrument display 7 is believed by described main control module 5 by described signal sample circuit module 4
Number and various direct sampled signal sample, with realize show information on demand.
Described main control module 5 includes meter display module 501 and dual signal source full-vehicle control module 502；
Described meter display module 501 is performed until electricity under instrument by instrument display requirement constantly circulation after instrument powers on；
It is current that described dual signal source full-vehicle control module 502 is output as high level reflection at the reverse trigger of described Schmidt 2
When described entire car controller VMS is in paralyzed state, automatically make described electronic switch module 3 that driver is manipulated letter
Number it is switched to described signal sample circuit with all input signals of the entire car controller VMS such as travel condition of vehicle signal
Module 4, the output signal of described signal sample circuit module 4 of sampling, run this dual signal source full-vehicle control module
502, and take over described entire car controller VMS by drive circuit module 8 each executor is controlled, and lead to
Cross CAN communication module 9 and take over described entire car controller VMS communicating and control to electric system and battery system
System；Described dual signal source full-vehicle control module 502 is output as low level reflection at the reverse trigger of described Schmidt 2
When presently described entire car controller VMS is in normal condition, described electronic switch module 3 is automatically made driver to be grasped
All input signals of the entire car controller VMS such as control signal and travel condition of vehicle signal are switched to entire car controller
VMS, and be automatically stopped the sampling of output signal to described signal sample circuit module 4 and make CAN communication
Module 9 is switched to monitoring pattern, runs this dual signal source full-vehicle control module 502 with the signal listened to for input,
And the output controlling drive circuit module 8 is in off state and does not send the control to electric system and battery system
Instruction CAN signal.
Hello the Canis familiaris L. input signal of described watchdog circuit module 1 also can be produced by described main control module 5, it is achieved right
The replacement completely of entire car controller, to reduce integral vehicle cost.
Described based on whole automobile control function safety electric automobile intelligence instrument, be additionally provided with nonvolatile memory 10,
Remote communication module 11, navigation positioning module 12, for vehicle travel and the driving recording of system status information,
Carry out radio communication with remote equipment, vehicle travels navigator fix etc..
The operation principle of the present embodiment is as follows:
After instrument powers on, described meter display module 501 is i.e. run, until electricity under instrument, thus ensure that instrument
The normal execution of the functions such as display, storage；Owing to instrument can monitor other all bus signals by CAN,
And processed by operation and show different information, it is achieved that the intellectuality of instrument；By automatically data scrolling being protected
It is stored to the data of the nonvolatile memory arranged, it is achieved drive recorder function；And by wireless telecommunications and navigation
Location, is sent to vehicle operation data remote equipment and provides navigation Service for driver.
When the described entire car controller VM of configuration conventional on electric automobile is in normal condition, its heartbeat signal is just
Often, i.e. the feeding-dog signal of described watchdog circuit module 1 is effective, it is output as " 1 " signal, executes described in warp
It it is " 0 " signal after the reverse trigger of Mi Te 2.It is somebody's turn to do " 0 " signal enable described electronic switch module 3 by driver
All input signals of the entire car controller VMS such as manipulation signal and travel condition of vehicle signal are switched to entire car controller,
And cut off the connection of these input signals and described signal sample circuit module 4, thus avoid described letter simultaneously
Number sample circuit module 4 sample circuit impact on entire car controller；Described dual signal source full-vehicle control module 502
The most automatically abandon the control function of entire car controller, thus avoid and whole automobile control function is affected.
When, after the described entire car controller VMS paralysis of configuration conventional on electric automobile, its heartbeat signal stops immediately,
That is, the Canis familiaris L. that feeds of described watchdog circuit module 1 stops immediately, and its output is " 0 " signal immediately, executes described in warp
It is " 1 " signal immediately after the reverse trigger of Mi Te 2.Should " 1 " signal described electronic switch module 3 of enable will drive
The person of sailing manipulates all input signals of the entire car controller VMS such as signal and travel condition of vehicle signal and is switched to described letter
Number sample circuit module 4, and cut off the connection of these input signals and entire car controller simultaneously, thus avoid
The impact on described signal sample circuit module 4 of the entire car controller sample circuit；Described dual signal source full-vehicle control mould
Block 502 takes over the control function of entire car controller immediately, thus avoids the paralysis of whole automobile control function；By
Control instruction in described dual signal source full-vehicle control module 502 is monitoring car load when entire car controller is normal always
The control output of controller and electric system, the state of battery system, it is achieved thereby that seamless switching at runtime, enter one
Step improves traffic safety and the impact avoiding in switching.
The present embodiment achieves the control merit utilizing intelligence instrument to take over entire car controller when entire car controller is paralysed
Can go forward side by side Mobile state seamless switching, it is ensured that the safety of whole automobile control function；Achieve instrument intelligent display, data are deposited
The effective integration of the intelligence instrument function of storage monitor, wireless telecommunications and navigator fix, significantly reduces system cost.
Above specific embodiment of the utility model is described.It is to be appreciated that this utility model is not
Being confined to above-mentioned particular implementation, those skilled in the art can make various deformation within the scope of the claims
Or amendment, this has no effect on flesh and blood of the present utility model.
Claims (9)
1. an electric automobile intelligence instrument based on whole automobile control function safety, including watchdog circuit module (1), the reverse trigger of Schmidt (2), electronic switch module (3), signal sample circuit module (4), main control module (5), instrument drive control module (6), instrument display (7), drive circuit module (8) and bus communication module (9)；
Wherein, described watchdog circuit module (1) connects the Enable Pin of described electronic switch module (3) by the reverse trigger of described Schmidt (2)；Described main control module (5) on the one hand connects described electronic switch module (3) by described signal sample circuit module (4), on the other hand connects described instrument drive control module (6), drive circuit module (8) and CAN communication module (9)；Described instrument drive control module (6) connects described instrument display (7)；
Described watchdog circuit module (1) is for receiving the heartbeat signal of entire car controller VMS as feeding Canis familiaris L. input signal；
The reverse trigger of described Schmidt (2) is used for receiving described hello Canis familiaris L. input signal and sending described Canis familiaris L. input signal of feeding to described electronic switch module (3)；
Described electronic switch module (3) is for inputting the input signal of entire car controller VMS and described hello Canis familiaris L. input signal；
Described main control module (5) is for gathering described hello Canis familiaris L. input signal, the input signal of entire car controller VMS by described signal sample circuit module (4), for being connected the executor of described entire car controller VMS by drive circuit module (8), for being connected the communication bus of described entire car controller VMS by bus communication module (9).
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterised in that described electronic switch module (3) uses multichannel analog switch；The input channel number of described electronic switch module is no less than the way of the input signal of described electronic switch module (3)；
The road output that arbitrary input channel of described electronic switch module (3) is corresponding is connected with described signal sample circuit module (4), another road exports for being connected with described entire car controller VSM.
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterised in that described instrument display (7) employing any one instrument following:
-liquid crystal instrument；
-simulation instrument；
-liquid crystal instrument and the mixed display instrument of simulation instrument.
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterised in that the heartbeat signal of described entire car controller VMS is the signal whether described entire car controller VMS of reflection that described entire car controller VMS exports paralyses；
After described entire car controller VMS paralyses, export constant signal, be otherwise output as timing pulse signal.
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterized in that, operation signal and the various direct sampled signal of described instrument display (7) are sampled by described main control module (5) by described signal sample circuit module (4).
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterised in that described bus communication module (9) is adopted as CAN communication module；
Described communication bus uses CAN communication bus.
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterized in that, described main control module (5) includes meter display module (501) and dual signal source full-vehicle control module (502)；
Wherein, described meter display module (501) is used for after instrument powers on performing signal to be shown until electricity under instrument by instrument display requirement constantly circulation；
Described dual signal source full-vehicle control module (502) is for when the reverse trigger of described Schmidt (2) is output as reflecting presently described high level in paralyzed state for entire car controller VSM, by described electronic switch module (3), all input signals of entire car controller VMS are switched to described signal sample circuit module (4) the output signal of described signal sample circuit module (4) of sampling, take over described entire car controller VMS by drive circuit module (8) each executor is controlled, described entire car controller VMS communicating and control to electric system and battery system is taken over by bus communication module (9)；
Described dual signal source full-vehicle control module (502) is for when the reverse trigger of described Schmidt (2) is output as reflecting the low level that presently described entire car controller VMS is in normal condition, by described electronic switch module (3), all input signals of entire car controller VMS are switched to entire car controller VMS, and it is automatically stopped the sampling of output signal to described signal sample circuit module (4), making bus communication module (9) be switched to monitoring pattern, the output controlling drive circuit module (8) is in off state.
Electric automobile intelligence instrument based on whole automobile control function safety the most according to claim 1, it is characterized in that, described watchdog circuit module (1) is used for the heartbeat signal receiving described entire car controller VMS or described main control module (5) as feeding Canis familiaris L. input signal.
9. according to the electric automobile intelligence instrument based on whole automobile control function safety described in any one of claim 1 to 8, it is characterized in that, also include nonvolatile memory (10), remote communication module (11) and navigation positioning module (12)；
Wherein, described nonvolatile memory (10), described remote communication module (11) and described navigation positioning module (12) are all connected with described main control module (5)；
Described nonvolatile memory (10) travels and the driving recording of system status information for vehicle；
Described remote communication module (11) is for carrying out radio communication with remote equipment；
Navigation positioning module (12) travels navigator fix for vehicle.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2015208953941 | 2015-11-11 | ||
| CN201520895394 | 2015-11-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205485375U true CN205485375U (en) | 2016-08-17 |
Family
ID=56661101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521029034.XU Withdrawn - After Issue CN205485375U (en) | 2015-11-11 | 2015-12-10 | Electric automobile intelligent instrument based on vehicle control functional safety |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205485375U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446186A (en) * | 2015-11-11 | 2016-03-30 | 上海凌翼动力科技有限公司 | Electric vehicle intelligent instrument based on safety of whole vehicle control function |
-
2015
- 2015-12-10 CN CN201521029034.XU patent/CN205485375U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105446186A (en) * | 2015-11-11 | 2016-03-30 | 上海凌翼动力科技有限公司 | Electric vehicle intelligent instrument based on safety of whole vehicle control function |
| CN105446186B (en) * | 2015-11-11 | 2018-06-22 | 上海凌翼动力科技有限公司 | Electric vehicle intelligence instrument based on whole automobile control function safety |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160817 Effective date of abandoning: 20180622 |
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| AV01 | Patent right actively abandoned |