CN208682811U - Intelligent automobile emergency braking switching device and its intelligent automobile - Google Patents
Intelligent automobile emergency braking switching device and its intelligent automobile Download PDFInfo
- Publication number
- CN208682811U CN208682811U CN201821500189.0U CN201821500189U CN208682811U CN 208682811 U CN208682811 U CN 208682811U CN 201821500189 U CN201821500189 U CN 201821500189U CN 208682811 U CN208682811 U CN 208682811U
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- China
- Prior art keywords
- braking
- clutch
- electromagnetism
- intelligent automobile
- brake pedal
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Abstract
The utility model relates to automobile brake technical fields, disclose a kind of intelligent automobile emergency braking switching device, including ECU and brake pedal connecting rod, in braking main shaft periphery, at least two teeth portion for being distributed in different spaces plane are set, first electromagnetism gear clutch is set between one teeth portion and brake pedal connecting rod, the second electromagnetism gear clutch is set at another teeth portion；It further include a controllable second electromagnetism gear clutch and the power mechanism for braking main shaft generation engaged transmission；ECU is electrically connected with the first electromagnetism gear clutch, the second electromagnetism gear clutch and power mechanism；Be equipped with an electromagnetic induction device being electrically connected with ECU in brake pedal connecting rod brake path, electromagnetic induction device can the movement of inductive brake pedal rod provide driving mode switching signal for ECU.The present apparatus makes full use of electromagnetic induction characteristic, captures the movement of brake pedal connecting rod in time through electromagnetic induction, carries out driving mode switching for ECU and provides accurate signal, so that manual intervention is come into force in time, realize vehicle braking rapidly.
Description
Technical field
The utility model relates to automobile brake technical fields, and in particular, to a kind of intelligent automobile emergency braking switching dress
It sets and its intelligent automobile.
Background technique
Intelligent unattended, which drives vehicle braking, general both of which, it may be assumed that intelligent driving mode, artificial braking mode.Upper layer
Control system (middle control machine and ECU) completion information is collected, analysis, is calculated to tasks such as sending instructions, and bottom executing agency is then
It is to be directly realized by vehicle control.
The a part of arrestment mechanism as bottom braking system, it is closely bound up with the safe operation of vehicle.In pilot steering
Because of vehicle trouble, out of control or in emergency circumstances may be implemented emergency braking immediately under mode, and under intelligent driving mode, work as biography
Sensor avoidance has in the case where blind area or sensor failure vehicle avoidance or emergency braking and can not carry out driving mode switching, and
It needs when vehicle trouble, out of control or in emergency circumstances realization emergency braking through each sensor to controller to actuator ability
Really realize that emergency braking, M signal transmission, processing require the regular hour to actuator work, it is therefore desirable to artificial vertical
Intervene and carries out driving mode switching and brake immediately.
Country's intelligent automobile realizes control vehicle braking by manual intervention in emergency situations by bottom control at present
There are no relevant designs for switching device, it is therefore desirable to design a kind of be suitable under intelligent driving mode because chance sensor avoidance is blind
Switch driving mode immediately under area, vehicle trouble, out of control or emergency and realize the device of artificial braking mode, to improve vehicle
Intelligent driving mode driving in security performance.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the deficiencies of existing technologies, provide a kind of structure it is simple, can
Driving mode switching is instructed to complete the intelligence of automobile brake by the movement of inductive brake pedal rod in an emergency situation
It can automobile emergency brake switching device.
The utility model provides simultaneously a kind of fast response time, whole controls reliable and stable intelligent automobile.
The utility model aim is achieved through the following technical solutions:
A kind of intelligent automobile emergency braking switching device, including ECU and brake pedal connecting rod, in the braking master of intelligent automobile
At least two teeth portion for being distributed in different spaces plane are arranged in axis periphery, are arranged first between a teeth portion and brake pedal connecting rod
The second electromagnetism gear clutch is arranged at another teeth portion for electromagnetism gear clutch；It further include that controllable second electromagnetism is tooth-like
The power mechanism of engaged transmission occurs for clutch and braking main shaft；ECU and the first electromagnetism gear clutch, the second electromagnetism it is tooth-like from
Clutch and power mechanism electrical connection.
An electromagnetic induction device being electrically connected with ECU, electromagnetism are additionally provided in the braking maneuver path of brake pedal connecting rod
Sensing device can provide driving mode switching signal by the movement of inductive brake pedal rod for ECU.
Further, electromagnetic induction device is electromagnetic sensor, and electromagnetic sensor includes permanent magnet, armature and letter
Number coil, the overall U-shaped structure of electromagnetic sensor, permanent magnet and signal coil are located at two U-shaped ends of U-shaped structure,
The U-shaped groove of electromagnetic sensor enters and deviates from for brake pedal connecting rod.
Further, the first electromagnetism gear clutch and the second electromagnetism gear clutch be the castellated electromagnetism of gear type from
Clutch, gear type slipping toothed electromagnetic clutch include driving tooth wheel portion and coil part, and driving tooth wheel portion can be issued in electromagnetic action
Life is attracted with coil part or isolated displacement, and the first electromagnetism gear clutch is engaged by driving tooth wheel portion with braking main shaft teeth portion
Be driven, the coil part of the second electromagnetism gear clutch is remained with braking main shaft teeth portion and is engaged, the second electromagnetism it is tooth-like from
Clutch is driven by a power mechanism driving tooth wheel portion and is rotated into and makes coil part and braking main shaft teeth portion that engaged transmission occur.
Further, gear type slipping toothed electromagnetic clutch is open in usual, dry type slipping toothed electromagnetic clutch.
Further, power mechanism includes brake pushrod motor and the rack shaft that connects with brake pushrod motor, rack shaft
It can be engaged with the driving tooth wheel portion of the second electromagnetism gear clutch under electromagnetism attracting state.
Further, brake pushrod motor is direct current 12V electric pushrod motor.
Further, braking spindle nose is also connected with reset spring, and the reset spring other end is fixed to a fixed point.
A kind of intelligent automobile is equipped with intelligent automobile emergency braking switching device as described above, can make the intelligent automobile
When experience emergency needs emergency braking, manual intervention operation energy quick response and the switching that can quickly carry out driving mode
And the final emergency braking for safely and reliably completing automobile.
Compared with prior art, the utility model has the following beneficial effects:
1) the emergency braking switching method of the present apparatus takes full advantage of electromagnetic induction characteristic, electromagnetism is attracted characteristic and gear is nibbled
Transmission performance is closed, by the way that electromagnetic induction device is arranged in the braking maneuver path of brake pedal connecting rod, captures induction system in time
The movement of dynamic pedal rod, provides accurate signal for the ECU switching for carrying out subsequent driving mode, fast implements under emergency
Driving mode switches and is rapidly completed artificial mode braking, so that the manual intervention under emergency is come into force in time, realizes vehicle rapidly
Braking；Teeth portion is set in braking main shaft periphery simultaneously, the teeth portion using two electromagnetism gear clutch and braking main shaft cooperates
It is engaged, then is aided with ECU and control is attracted to the electromagnetism of electromagnetism gear clutch, on the one hand easily realize intelligent automobile in intelligence
Braking switching under driving mode and pilot steering mode, on the other hand under emergency braking situation, intelligent automobile can be quickly complete
It is braked at artificial mode, fast response time, improves the control stability, reliability and safety of intelligent automobile；
2) using brake pushrod motor and rack shaft as the brake power mechanism under intelligent brake mode, with electromagnetism tooth
Formula clutch engagement brings out the best in each other, and brake force quickly can be transferred to braking main shaft, guarantee braking efficiency and braking safety；
3) intelligent automobile of the utility model merged intelligent driving mode and pilot steering mode brake assembly design in
One, structure is simple, and under emergency braking situation, and brake pedal connecting rod and electromagnetic sensor are contactless state, mechanical
Transmission is independent, electromagnetic sensor fast response time, reliable and stable, can effectively improve driving of the vehicle under intelligent driving mode
Safety.
Detailed description of the invention
Fig. 1 is the main view and right side structural representation of emergency braking switching device described in embodiment 1；
Fig. 2 is the control flow chart that emergency braking switching device described in embodiment 1 carries out intelligent mode braking；
Fig. 3 is that emergency braking switching device described in embodiment 1 carries out the main view of intelligent mode braking and right shows depending on structure
It is intended to；
Fig. 4 is control when emergency braking switching device described in embodiment 1 carries out emergency braking under intelligent driving mode
Switching flow figure processed；
Fig. 5 is the main view and right side structural representation that emergency braking switching device described in embodiment 1 carries out emergency braking
(stepping on pedal)；
Fig. 6 is the main view and right side structural representation that emergency braking switching device described in embodiment 1 carries out emergency braking
(pedal reset)；
Fig. 7 is the control flow chart that drag switch device described in embodiment 1 carries out artificial mode braking；
Fig. 8 is the main view and right side structural representation that drag switch device described in embodiment 1 carries out artificial mode braking；
Fig. 9 is first gear type slipping toothed electromagnetic clutch described in embodiment 1/castellated electromagnetic clutch of second gear type
The structural schematic diagram (power-off discrete state) of device；
Figure 10 be first gear type slipping toothed electromagnetic clutch described in embodiment 1/castellated electromagnetism of second gear type from
The structural schematic diagram (energization attracting state) of clutch；
Figure 11 is the structural schematic diagram of electromagnetic sensor described in embodiment 1.
Specific embodiment
The utility model is further described With reference to embodiment, wherein being given for example only property of attached drawing
Illustrate, expression is only schematic diagram, rather than pictorial diagram, should not be understood as the limitation to this patent；In order to which this reality is better described
With novel embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the size of actual product；To ability
For field technique personnel, the omitting of some known structures and their instructions in the attached drawings are understandable.
Embodiment 1
A kind of intelligent automobile is provided, being equipped with one kind can make in time in the case where needing emergency braking situation from intelligent driving mode
To the emergency braking switching device of pilot steering pattern switching, as shown in Figure 1, the emergency braking switching device include ECU (i.e.
ECU controller, is not shown in the figure), brake pedal 1, brake pedal connecting rod 2 and braking main shaft 3, braking 3 two sides of main shaft distinguish
Teeth portion 31 is set, setting first gear type slipping toothed electromagnetic clutch 4 between a teeth portion and brake pedal connecting rod 2, another
Second gear type slipping toothed electromagnetic clutch 5 is set at teeth portion, and intelligent automobile drag switch device further includes one controllable second
The power mechanism of engaged transmission occurs for gear type slipping toothed electromagnetic clutch 5 and braking main shaft 3.
ECU and first gear type slipping toothed electromagnetic clutch 4, second gear type slipping toothed electromagnetic clutch 5 and engine
Structure electrical connection.Above-mentioned other mechanisms that may participate in progress automobile brake in addition to the ecu are totally referred to as brake control module.
An electromagnetic sensor C being electrically connected with ECU is additionally provided in the braking maneuver path of brake pedal connecting rod 2, such as
Shown in Figure 11, electromagnetic sensor includes permanent magnet C1, armature C2 and signal coil C3, and electromagnetic sensor C is overall U-shaped
Structure, permanent magnet C1 and signal coil C3 are located at two U-shaped ends of U-shaped structure, and the U-shaped groove of electromagnetic sensor C can
Enter for brake pedal connecting rod 2 and deviate from, electromagnetic sensor C can be dynamic by the entrance and abjection of inductive brake pedal rod 2
Make to provide driving mode switching signal for ECU.
Specifically, two kinds of signals of the exportable high level of electromagnetic sensor " 1 " and low level " 0 ", i.e. intelligent automobile exist
When under intelligent driving mode, 2 attonity of brake pedal connecting rod, the state in abjection electromagnetic sensor C, at this point, electromagnetic type
Sensor C output is low level " 0 ", and when braking is required, intelligent automobile will enter intelligent mode and brake, but need to carry out tightly
When anxious braking, artificial brake pedal 1, brake pedal connecting rod 2 enters electromagnetic sensor C, and electromagnetic sensor C is sensed
Brake pedal connecting rod 2 acts, to export high level " 1 ", ECU receives the signal intensity of electromagnetic sensor C at this time, immediately
Intelligent mode braking is released, and further controls brake control module, in case the braking of subsequent artefacts' mode is carried out, and brake pedal
Connecting rod 2 can be deviate from immediately after entering in electromagnetic sensor C, and after its abjection, the signal of electromagnetic sensor C output is by original
High level " 1 " jumps to low level " 0 ", and ECU receives the low level " 0 " even if signal brake control module enters pilot steering
Mode, and electromagnetic sensor C is then reset to original state by ECU control, waits enter intelligent driving mode next time.
First gear type slipping toothed electromagnetic clutch 4 is identical with second gear type 5 structures of slipping toothed electromagnetic clutch, such as schemes
It include that (coil part is equipped with teeth portion, the castellated electromagnetism of first gear type by driving tooth wheel portion A and coil part B shown in 9 and Figure 10
The driving tooth wheel portion of clutch is 4A, and coil part 4B, the driving tooth wheel portion of second gear type slipping toothed electromagnetic clutch is 5A,
Coil part is 5B), driving tooth wheel portion A can occur and coil part B actuation or isolated displacement under electromagnetic action.First gear type
Slipping toothed electromagnetic clutch 4 and second gear type slipping toothed electromagnetic clutch 5 are by the installation to intelligent automobile of main shaft 6.
Wherein, first gear type slipping toothed electromagnetic clutch 4 is engaged by driving tooth wheel portion 4A with braking main shaft teeth portion 31
It being driven, second gear type slipping toothed electromagnetic clutch 5 is remained with braking main shaft teeth portion 31 for coil part 5B and is engaged,
Being driven by a power mechanism driving tooth wheel portion 5A rotates and then makes coil part 5B and braking main shaft teeth portion 31 that engaged transmission occurs.
Specifically, first gear type slipping toothed electromagnetic clutch 4 and second gear type slipping toothed electromagnetic clutch 5 are normal
Open type, dry type electromagnetic clutch, to adapt to the flexible braking switched design of the present embodiment intelligent automobile.
The power mechanism of the present embodiment includes brake pushrod motor 7 and the rack shaft to connect with brake pushrod motor 8, rack gear
Axis 8 can be engaged with the driving tooth wheel portion 5A of the second gear type slipping toothed electromagnetic clutch under electromagnetism attracting state.
Brake pushrod motor 7 is direct current 12V electric pushrod motor, in fact, with the castellated electromagnetic clutch of second gear type
Pneumatic actuator can also be used to push in the rack shaft 8 that device 5 cooperates, and the present embodiment is using achievable far distance control, collection
Middle control, the electric pushrod motor that can make back and forth movement in a certain range stroke, one is executed can not only reduce using pneumatic
Compressed air source unit needed for mechanism and ancillary equipment, two also can reduce the weight of power mechanism, and three can also make the work of rack shaft
Make more reliable and more stable.
Initial position can be reset to rapidly when braking need to be released to make to brake main shaft 3, can be connected in braking 3 end of main shaft
A piece reset spring 9, the reset spring other end are fixed to a certain fixed point of an intelligent automobile.Main shaft 3 is braked in artificial mould
Mobile towards braking direction under formula braking or intelligent mode braking action, when that need to release braking, braking main shaft 3 can be in respective gears
It is mobile toward the opposite direction of braking direction under the power transmission of the driving tooth wheel portion of type slipping toothed electromagnetic clutch, reset spring 9
Elastic force effect can service hoisting braking main shaft 3 seating velocity, fast implement current brake releasing.
Under intelligent driving mode, ECU controls second gear type slipping toothed electromagnetic clutch 5 and is closed this intelligent automobile,
Driving tooth wheel portion 5A and coil part 5B is attracted, while driving tooth wheel portion 5A is also engaged with rack shaft 8, ECU also control first simultaneously
The power-off separation of gear type slipping toothed electromagnetic clutch 4, driving tooth wheel portion 4A are kept completely separate with braking main shaft 3, non-moment transmitting,
In case brake pedal 1, brake pedal connecting rod 2 and first gear type slipping toothed electromagnetic clutch 4 is made to be in stationary state in situ.When
Obstacle is met in front of intelligent automobile, when needing to enter intelligent mode braking, brake pushrod motor 7 starts to work and drives rack shaft
8 Forwards, the driving tooth wheel portion 5A of second gear type slipping toothed electromagnetic clutch are driven to rotate, and then overcome braking main shaft 3
The elastic force of reset spring 9 is mobile towards braking direction, realizes intelligent mode braking, rack shaft 8 and the castellated electromagnetism of second gear type
Clutch 5 and braking main shaft 3 realize the driving force and equidistant transmitting of 1:1, and Fig. 2 shows this intelligent automobiles in intelligent driving mould
Intelligent mode control for brake flow chart under formula is participated in without emergency brake operations under the intelligent mode braking conditions, i.e. braking is stepped on
2 attonity of plate connecting rod, electromagnetic sensor C export low level " 0 ".Fig. 3 shows this emergency braking under intelligent mode is braked and cuts
The braking process schematic diagram of changing device.
Fig. 4 shows control switching flow figure of this intelligent automobile in the case where realizing emergency braking situation by manual intervention,
From the point of view of the concrete structure schematic diagram in Fig. 5, when brake pedal 1 is stepped on, drive brake pedal connecting rod 2 enters electromagnetic type sensor
Device C, electromagnetic sensor C sense the movement of brake pedal connecting rod, will export high level " 1 ", ECU is received after the signal then
Brake control module is immediately controlled, makes first gear type slipping toothed electromagnetic clutch 4 and the castellated electromagnetic clutch of second gear type
Device 5 is in power-off discrete state.
Hereafter 1 is loosened the brake, brake pedal connecting rod 2 will reset electromagnetic sensor C, as shown in fig. 6, this
When, the output signal of electromagnetic sensor C is jumped to low level " 0 " by original high level " 1 ", and ECU receives electromagnetic type biography
Control brake control module is entered into pilot steering mode after low level " 0 " signal of sensor C.
Fig. 7 shows the artificial mode braking flow chart that intelligent automobile enters subsequent artefacts' driving mode, in conjunction with the tool of Fig. 8
Fluid-structure analysis, in this mode, electromagnetic sensor C are reset to original state, and the movement of brake pedal connecting rod 2 not will cause
The variation of electromagnetic sensor C output signal, first gear type slipping toothed electromagnetic clutch 4 are in power-off discrete state, braking
Push-rod electric machine 7 is in situ static with rack shaft 8, and second gear type slipping toothed electromagnetic clutch 5 is in energization attracting state, people
Work brake pedal 1, the driving tooth wheel portion 4A of first gear type slipping toothed electromagnetic clutch be braked pedal rod 2 drive it is suitable
Hour hands rotation, and then braking main shaft 3 is made to overcome the elastic force of reset spring 9 mobile towards braking direction, realize artificial mode braking, system
Dynamic pedal 1, first gear type slipping toothed electromagnetic clutch 4 and braking main shaft 3 realize the driving force and equidistant transmitting of 1:1.
When intelligent automobile preceding object releases, when needing to release braking, 1 is manually loosened the brake, first gear type tooth
Embedded electromagnetic clutch 4 will make counterclockwise rotation, and then synchronous drive braking main shaft 3 move right, at this time brake main shaft 3 by
The tractive force of reset spring 9 can be retracted rapidly, fast implement brake release.Later according to operator's needs and actual conditions
Deng operation ECU selection pilot steering mode or intelligent driving mode.
Brake release operation of the intelligent automobile under normal intelligent driving mode under this supplement, when preceding object solution
It removes, when needing to release braking, ECU controls 7 return of brake pushrod motor, drives rack shaft 8 to move backward, and then drive the second tooth
Wheel-type slipping toothed electromagnetic clutch 5 rotates clockwise, so that synchronous drive braking main shaft 3 moves right, brakes main shaft 3 at this time
Due to the tractive force by reset spring 9, it can be retracted rapidly, fast implement brake release.
Obviously, above-described embodiment is only intended to clearly illustrate the technical solution of the utility model example, and simultaneously
Non- is limitations of the embodiments of the present invention.For those of ordinary skill in the art, above explained
On the basis of can also make other variations or changes in different ways.There is no need and unable to give thoroughly all embodiments
It lifts.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc. should be included in this
Within the protection scope of utility model claims.
Claims (8)
1. a kind of intelligent automobile emergency braking switching device, including ECU and brake pedal connecting rod, which is characterized in that in intelligent vapour
The braking main shaft periphery of vehicle is arranged at least two teeth portion for being distributed in different spaces plane, a teeth portion and brake pedal connecting rod it
Between the first electromagnetism gear clutch is set, the second electromagnetism gear clutch is set at another teeth portion；It further include one controllable the
The power mechanism of engaged transmission occurs for two electromagnetism gear clutch and braking main shaft；ECU and the first electromagnetism gear clutch, second
Electromagnetism gear clutch and power mechanism electrical connection；
An electromagnetic induction device being electrically connected with ECU, electromagnetic induction are additionally provided in the braking maneuver path of brake pedal connecting rod
Device can provide driving mode switching signal by the movement of inductive brake pedal rod for ECU.
2. intelligent automobile emergency braking switching device according to claim 1, which is characterized in that electromagnetic induction device is electricity
Magnetic-type sensor, electromagnetic sensor include permanent magnet, armature and signal coil, the overall U-shaped structure of electromagnetic sensor,
Permanent magnet and signal coil are located at two U-shaped ends of U-shaped structure, and the U-shaped groove of electromagnetic sensor is for brake pedal
Connecting rod enters and abjection.
3. intelligent automobile emergency braking switching device according to claim 1, which is characterized in that the tooth-like clutch of the first electromagnetism
Device and the second electromagnetism gear clutch are gear type slipping toothed electromagnetic clutch, and gear type slipping toothed electromagnetic clutch includes master
Movable tooth wheel portion and coil part, driving tooth wheel portion can occur and coil part actuation or isolated displacement, the first electricity under electromagnetic action
Magnetic gear clutch is engaged with braking main shaft teeth portion by driving tooth wheel portion and is driven, the coil of the second electromagnetism gear clutch
Portion remains with braking main shaft teeth portion and engages that the second electromagnetism gear clutch is driven by a power mechanism the rotation of driving tooth wheel portion
And then make coil part and braking main shaft teeth portion that engaged transmission occur.
4. intelligent automobile emergency braking switching device according to claim 3, which is characterized in that the castellated electromagnetism of gear type
Clutch is open in usual, dry type slipping toothed electromagnetic clutch.
5. intelligent automobile emergency braking switching device according to claim 3, which is characterized in that power mechanism includes braking
Push-rod electric machine and the rack shaft to connect with brake pushrod motor, rack shaft can with the second electromagnetism under electromagnetism attracting state it is tooth-like from
The driving tooth wheel portion of clutch engages.
6. intelligent automobile emergency braking switching device according to claim 5, which is characterized in that brake pushrod motor is straight
Flow 12V electric pushrod motor.
7. intelligent automobile emergency braking switching device described in any one according to claim 1~6, which is characterized in that braking
Spindle nose is also connected with reset spring, and the reset spring other end is fixed to a fixed point.
8. a kind of intelligent automobile, which is characterized in that promptly made equipped with the intelligent automobile as described in claim 1~7 any one
Dynamic switching device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500189.0U CN208682811U (en) | 2018-09-13 | 2018-09-13 | Intelligent automobile emergency braking switching device and its intelligent automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821500189.0U CN208682811U (en) | 2018-09-13 | 2018-09-13 | Intelligent automobile emergency braking switching device and its intelligent automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208682811U true CN208682811U (en) | 2019-04-02 |
Family
ID=65889092
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821500189.0U Expired - Fee Related CN208682811U (en) | 2018-09-13 | 2018-09-13 | Intelligent automobile emergency braking switching device and its intelligent automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208682811U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002505A (en) * | 2021-03-18 | 2021-06-22 | 湖南机电职业技术学院 | Intelligent automobile drive-by-wire brake device |
-
2018
- 2018-09-13 CN CN201821500189.0U patent/CN208682811U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113002505A (en) * | 2021-03-18 | 2021-06-22 | 湖南机电职业技术学院 | Intelligent automobile drive-by-wire brake device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211231 Address after: 518054 Room 501, unit C, building 7, Nanguang garden, Haide Erdao, Nanshan street, Nanshan District, Shenzhen, Guangdong Patentee after: Shenzhen zhizunbao Automobile Technology Co.,Ltd. Address before: 412001 no.476, Hongqi North Road, Hetang District, Zhuzhou City, Hunan Province Patentee before: HUNAN AUTOMOTIVE ENGINEERING VOCATIONAL College |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 |