CN208484676U - A kind of double MCU control systems applied to automotive electronic parking braking - Google Patents
A kind of double MCU control systems applied to automotive electronic parking braking Download PDFInfo
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- CN208484676U CN208484676U CN201821095301.7U CN201821095301U CN208484676U CN 208484676 U CN208484676 U CN 208484676U CN 201821095301 U CN201821095301 U CN 201821095301U CN 208484676 U CN208484676 U CN 208484676U
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Abstract
The utility model relates to a kind of double MCU control systems applied to automotive electronic parking braking, it is characterised in that: including microcontroller 1#, microcontroller 2#, control switched circuit, H-Bridge driving circuit, parking switch circuit and double-shaft acceleration sensor；The microcontroller 1#With microcontroller 2#For the nucleus module of electronic brake control system, the microcontroller 1#With microcontroller 2#By detection parking switch circuit and double-shaft acceleration sensor signal, control of the control switched circuit realization to parking motor is executed；Two-way MCU system is the core of the control system, it is capable of the control of independent control driving circuit realization electronic brake motor, wherein all the way after MCU control failure, it can switch to another way to continue to control, realize the redundancy backup of control system, better system backup can be obtained, realizes high security, the high reliability of system.
Description
Technical field
The utility model relates to automotive electronic parking braking control system fields, more particularly to one kind to be applied to automotive electronics
Double MCU control systems of parking braking.
Background technique
Applied to double MCU control systems of automotive electronic parking braking, mainly by microcontroller 1#, microcontroller
MCU2#, control switched circuit, H-Bridge driving circuit, parking switch circuit and double-shaft acceleration sensor composition.Microcontroller
Device MCU1# 、MCU2#It is composition electronic brake system kernel control module.It is single in automobile electronic parking braking system
MCU is as mainstream control device, and there are certain malfunction and failure risks, may will affect the safety of automobile parking braking.This reality
Use novel because it uses double MCU as control core, after single MCU fails, the MCU that backup still can be used passes through control
Switched circuit realizes parking braking control, is able to solve this problem.The utility model designs originally single microcontroller
The controller of MCU redundancy in pairs, greatly enhances the safety of system, so that whole system is more widely applied.
Utility model content
The technical problem to be solved by the present invention is to provide a kind of double MCU controls applied to automotive electronic parking braking
System is able to solve in general vehicle electronic brake system, and single MCU is as mainstream control device, and there are certain failures
Failure risk may will affect the problem of the safety of automobile parking braking.
In order to solve the above technical problems, the technical solution of the utility model are as follows: one kind is applied to automotive electronic parking and brakes
Double MCU control systems, innovative point is: including microcontroller 1#, microcontroller 2#, control switched circuit, H-
Bridge driving circuit, parking switch circuit and double-shaft acceleration sensor；The microcontroller 1#With microcontroller 2#
For the nucleus module of electronic brake control system, the microcontroller 1#With microcontroller 2#By detecting parking
Switching circuit and double-shaft acceleration sensor signal execute the control to parking motor by control switched circuit；
The microcontroller 1#With microcontroller 2#Parking switch circuit and double-shaft acceleration sensor are monitored simultaneously
Signal, and can the independent mutually but not control by control switched circuit realization to parking braking system motor simultaneously.
Further, the parking switch circuit and double-shaft acceleration sensor side are provided with and microcontroller 1#
The specific integrated circuit of connection, and with microcontroller 1#The storage chip of connection；The parking switch circuit and twin shaft add
The velocity sensor other side is provided with and microcontroller 2#The specific integrated circuit of connection, and with microcontroller 2#Even
The storage chip connect.
Further, the microcontroller 1#With microcontroller 2#It exports and the control signal of H-Bridge is carried out
Isolation processing is realized when MCU breaks down all the way for certain, can switch to control of the another way to parking braking system motor.
It further, further include that MOSFET constitutes motor driven bridge circuit, while H-Bridge being cooperated to drive in the system
Circuit realizes the control to parking braking motor.
Utility model has the advantages that
1) this in the utility model is using two-way MCU system, two-way motor driven bridge module and double MCU control conversion electricity
Road, two-way MCU system are the cores of the control system, it being capable of independent control driving circuit realization electronic brake motor
Control, wherein all the way MCU control failure after, can switch to another way and continue to control, realize that the redundancy of control system is standby
Part, better system backup can be obtained, realizes high security, the high reliability of system.
Detailed description of the invention
Utility model will be further described in detail below with reference to the attached drawings and specific embodiments.
Fig. 1 is a kind of structural representation of double MCU control systems applied to automotive electronic parking braking of the utility model
Figure.
Specific embodiment
The following examples can make professional and technical personnel that the utility model be more fully understood, but therefore will not
The utility model is limited among the embodiment described range.
A kind of double MCU control systems applied to automotive electronic parking braking as shown in Figure 1, including microcontroller
MCU1#(1), microcontroller 2#(2), switched circuit (3) are controlled, H-Bridge driving circuit (4), parking switch circuit (5)
With double-shaft acceleration sensor (6)；The microcontroller 1#(1) and microcontroller 2#(2) it is controlled for electronic brake
The nucleus module of system, the microcontroller 1#(1) and microcontroller 2#(2) by detection parking switch circuit and double
Axle acceleration sensor signal executes the control to parking motor by control switched circuit.
Microcontroller 1#(1) and microcontroller 2#(2) parking switch circuit (5) and two-axis acceleration are monitored simultaneously
Sensor (6) signal, and can independently but not realized simultaneously by control switched circuit (3) to parking braking system motor mutually
Control.
Parking switch circuit (5) and double-shaft acceleration sensor (6) side are provided with and microcontroller 1#(1) it connects
Specific integrated circuit (7), and with microcontroller 1#(1) storage chip (8) connected；The parking switch circuit (5)
It is provided with and microcontroller 2 with double-shaft acceleration sensor (6) other side#(2) specific integrated circuit (7) connected, and
With microcontroller 2#(2) storage chip (8) connected.
Microcontroller 1#(1) and microcontroller 2#(2) output carries out at isolation the control signal of H-Bridge
Reason is realized when MCU breaks down all the way for certain, can switch to control of the another way to parking braking system motor.
It further include that MOSFET constitutes motor driven bridge circuit (9), while cooperating H-Bridge driving circuit (4) in the system
Realize the control to parking braking motor.
It should be understood by those skilled in the art that the present utility model is not limited to the above embodiments, above-described embodiment and
Only illustrate the principles of the present invention described in specification, on the premise of not departing from the spirit and scope of the utility model,
The utility model also has various changes and improvements, these changes and improvements both fall within the scope of the claimed invention
It is interior.The protection scope of the present invention is defined by the appended claims and their equivalents.
Claims (4)
1. a kind of double MCU control systems applied to automotive electronic parking braking, it is characterised in that: including microcontroller 1#,
Microcontroller 2#, control switched circuit, H-Bridge driving circuit, parking switch circuit and double-shaft acceleration sensor；Institute
State microcontroller 1#With microcontroller 2#For the nucleus module of electronic brake control system, the microcontroller
MCU1#With microcontroller 2#By detection parking switch circuit and double-shaft acceleration sensor signal, pass through control exchange electricity
Road executes the control to parking motor；
The microcontroller 1#With microcontroller 2#Parking switch circuit and double-shaft acceleration sensor letter are monitored simultaneously
Number, and can the independent mutually but not control by control switched circuit realization to parking braking system motor simultaneously.
2. a kind of double MCU control systems applied to automotive electronic parking braking according to claim 1, feature exist
In: the parking switch circuit and double-shaft acceleration sensor side are provided with and microcontroller 1#The dedicated of connection integrates
Circuit, and with microcontroller 1#The storage chip of connection；The parking switch circuit and double-shaft acceleration sensor are another
Side is provided with and microcontroller 2#The specific integrated circuit of connection, and with microcontroller 2#The storage chip of connection.
3. a kind of double MCU control systems applied to automotive electronic parking braking according to claim 1, feature exist
In: the microcontroller 1#With microcontroller 2#Export to the control signal of H-Bridge by control switched circuit into
Row isolation processing is realized when MCU breaks down all the way for certain, can switch to control of the another way to parking braking system motor
System.
4. a kind of double MCU control systems applied to automotive electronic parking braking according to claim 1, feature exist
In: it further include that MOSFET constitutes motor driven bridge circuit, while H-Bridge driving circuit being cooperated to realize to parking in the system
The control of braking motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095301.7U CN208484676U (en) | 2018-07-11 | 2018-07-11 | A kind of double MCU control systems applied to automotive electronic parking braking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821095301.7U CN208484676U (en) | 2018-07-11 | 2018-07-11 | A kind of double MCU control systems applied to automotive electronic parking braking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208484676U true CN208484676U (en) | 2019-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201821095301.7U Active CN208484676U (en) | 2018-07-11 | 2018-07-11 | A kind of double MCU control systems applied to automotive electronic parking braking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639038A (en) * | 2018-07-11 | 2018-10-12 | 格陆博科技有限公司 | A kind of double MCU control systems applied to automotive electronic parking braking |
| CN110228453A (en) * | 2019-06-04 | 2019-09-13 | 中国第一汽车股份有限公司 | A kind of parking control method, device and the vehicle of vehicle |
-
2018
- 2018-07-11 CN CN201821095301.7U patent/CN208484676U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108639038A (en) * | 2018-07-11 | 2018-10-12 | 格陆博科技有限公司 | A kind of double MCU control systems applied to automotive electronic parking braking |
| CN108639038B (en) * | 2018-07-11 | 2024-03-15 | 格陆博科技有限公司 | Double MCU control system applied to automobile electronic parking brake |
| CN110228453A (en) * | 2019-06-04 | 2019-09-13 | 中国第一汽车股份有限公司 | A kind of parking control method, device and the vehicle of vehicle |
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