CN207712035U - A kind of new-energy automobile brake apparatus and vehicle - Google Patents
A kind of new-energy automobile brake apparatus and vehicle Download PDFInfo
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- CN207712035U CN207712035U CN201721056186.8U CN201721056186U CN207712035U CN 207712035 U CN207712035 U CN 207712035U CN 201721056186 U CN201721056186 U CN 201721056186U CN 207712035 U CN207712035 U CN 207712035U
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- braking
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- brake
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Abstract
The utility model is related to a kind of new-energy automobile brake apparatus and vehicle, the utility model increases two gas circuits for leading to brake drum by vehicle control unit controls on the basis of the existing gas of integral new-energy passenger is stopped；When the electromagnetic braking of integral new-energy passenger failure, entire car controller can control in time makes gas brake intervention, prevents unexpected generation；In addition when emergency occurs in vehicle, entire car controller can also active control discharge maximum braking force degree, avoid or reduce loss as far as possible.
Description
Technical field
The utility model is related to a kind of new-energy automobile brake apparatus and vehicles, belong to new-energy automobile field.
Background technology
The braking system of new-energy automobile, either hybrid vehicle or pure electric automobile, use is all electromagnetic system
Dynamic plus mechanical braking, i.e., when brake pedal is depressed leading portion (generally 30%) of whole strokes, only electromagnetic braking responds,
It is electromagnetic braking, mechanical braking later while intervenes.Due to vehicle electrical systems complexity, random uncontrollable failure is more, once in a while
Can cause braking when, leading portion electromagnetic braking failure dangerous situation, especially with vehicle maintain safe distance traveling when, easily send out
Raw rear-end collision.The utility model aims to solve the problem that the brake problem that braking leading portion electricity is stopped when failing, and improves traffic safety.
Utility model content
The purpose of this utility model is to provide a kind of new-energy automobile brake apparatus and vehicle, to solve new energy vehicle
The problem of electromagnetic braking can not ensure traffic safety when failing.
To achieve the above object, the embodiment of the utility model includes：
A kind of new-energy automobile brake apparatus of the utility model, including master cylinder, connection master cylinder and braking are held
The braking manifold that luggage is set further includes braking aux. control valve, braking auxiliary tracheae；Braking manifold or brake actuator pass through
Braking auxiliary tracheae is connected with air source, and the braking aux. control valve is equipped on braking auxiliary tracheae.
Further, braking executive device includes preceding braking executive device and rear braking executive device, the braking manifold
Including preceding braking manifold and rear braking manifold, the braking auxiliary tracheae includes that preceding braking auxiliary tracheae and rear braking assist gas
Pipe, the braking aux. control valve include preceding braking aux. control valve and rear braking aux. control valve；Braking auxiliary gas before described
Pipe connects air source and preceding braking manifold or preceding braking executive devices, and auxiliary tracheae connection air source is braked after described and brakes manifold with rear
Or rear braking executive device, braking before aux. control valve is installed on is braked before described and is assisted on tracheae, and auxiliary control is braked after described
Valve installation processed is assisted with rear braking on tracheae.
Further, the air source is preceding braking air accumulator and rear braking air accumulator.
Further, the braking aux. control valve is ASR solenoid valves or ABS solenoid valves.
A kind of automobile of the utility model, including entire car controller and brake apparatus, the brake apparatus include：Braking is total
The braking manifold of pump, connection master cylinder and braking executive device further includes braking aux. control valve, braking auxiliary tracheae；System
Dynamic manifold or brake actuator assist tracheae to be connected with air source by braking, and it is auxiliary to be equipped with the braking on braking auxiliary tracheae
Help control valve.
Further, further include range sensor.
Further, further include acceleration transducer.
Further, further include for the body modules in electromagnetic braking failure alarm prompting driver.
Further, the body modules include instrument fault mark warning lamp and buzzer.
The beneficial effects of the utility model are：
The utility model actively can be such that mechanical braking intervenes in time when new-energy automobile electromagnetic braking is failed, and ensure
Traffic safety.
Driver's electromagnetic braking failure warning can also be given simultaneously.
In addition, the utility model can actively judge whether the front of vehicle traveling has barrier or pedestrian, in certain distance
When inside detecting barrier or pedestrian, the dynamics of braking is stepped on according to driver, actively puts into corresponding indicating brake action；Work as detection
When to pedestrian or excessively close barrier, so that mechanical braking is intervened with all strength, avoid collision as far as possible.
The utility model can also be judged according to acceleration transducer the barrier in closer distance in the current situation whether
It can cause to collide, if being judged as to cause, brake with all strength, avoid or reduce collision loss as far as possible.
Description of the drawings
Fig. 1 is improved braking system；
Fig. 2 is a kind of new-energy automobile brake device structure schematic diagram；
Fig. 3 is the vehicle braking control strategy flow chart of embodiment 1；
Fig. 4 is the vehicle braking control strategy flow chart of embodiment 2.
Specific implementation mode
The utility model is described in more detail below in conjunction with the accompanying drawings.
A kind of new-energy automobile brake apparatus and vehicle embodiments 1
The purpose of this utility model is to provide a set of entire car controller for the integral new-energy passenger with electromagnetic braking actively to control
The auxiliary braking gas circuit of system, the auxiliary braking gas circuit connection air source and braking manifold or braking executive device, work as full-vehicle control
When device detects electromagnetic braking failure, the intervention of auxiliary braking gas circuit is controlled according to brake pedal aperture, additional brake power is provided,
The effective active safety performance for improving vehicle.
Improved braking system as shown in Figure 1, master cylinder 1, preceding braking manifold 3, rear braking manifold 2, preceding braking storage
Gas tank 5, rear braking air accumulator 4, preceding braking executive device 7, rear braking executive device 6, preceding braking pilot solenoid valve 9, rear braking
Manifold before pilot solenoid valve 8, preceding braking auxiliary tracheae 11, rear braking auxiliary tracheae 10, the preceding manifold 13 of preceding brake pump, rear brake pump
12.Preceding braking air accumulator 5, rear braking air accumulator 4 are total with braking by manifold 12 before the preceding manifold 13 of preceding brake pump, rear brake pump
Pump 1 is connected；Master cylinder 1 executes dress by preceding braking manifold 3, rear braking manifold 2 and preceding braking executive device 7 and rear braking
6 are set to be connected；Preceding braking air accumulator 5 also assists tracheae 11 and preceding braking executive device 7 or preceding 3 phases of braking manifold by preceding braking
Even, braking auxiliary tracheae 10 is connected with rear braking executive device 6 or rear braking manifold 2 after rear braking air accumulator 4 also passes through, preceding system
Equipped with preceding braking pilot solenoid valve 9, rear braking pilot solenoid valve 8 on dynamic auxiliary tracheae 11, rear braking auxiliary tracheae 10, before described
Braking pilot solenoid valve 9, rear braking pilot solenoid valve 8 are connected by control line with entire car controller.
In above example, master cylinder 1, preceding braking manifold 3, rear braking manifold 2, preceding braking air accumulator 5, rear braking storage
Manifold 12 is gas before the preceding manifold 13 of gas tank 4, preceding braking executive device 7, rear braking executive device 6, preceding brake pump, rear brake pump
Existing structure in braking, preceding braking pilot solenoid valve 9, rear braking pilot solenoid valve 8, preceding braking auxiliary tracheae 11, rear system
Dynamic auxiliary tracheae 10 is the structure newly added in the utility model；Wherein, preceding braking air accumulator 5, rear braking air accumulator 4 are used as gas
Source uses, and as other embodiment, the air source can also use independent new air accumulator.It may be used in the solenoid valve
His controllable valve or the valve group controlled by pilot valve.
As shown in figure 3, the new-energy automobile brake apparatus control method step of the utility model includes：
If brake pedal is operated and detects electromagnetic braking failure, before detection to track pedestrian or vehicle away from
From if distance more than the first predetermined threshold value, generates vehicle trouble code and shows that corresponding failure mark, point expose on instrument board
Answer trouble light buzzer warning simultaneously；If distance is less than the first predetermined threshold value, full-vehicle control unit is according to brake pedal aperture, control
System braking auxiliary selenoid valve opening meets the needs of vehicle brake force, also generates vehicle trouble code and shows failure on instrument board
Indicate, light trouble light buzzer warning simultaneously.
As other embodiment, in brake pedal and when detecting electromagnetic braking failure, before can not also detecting to
The distance of barrier on track, and braking requirement is only responded according to brake pedal aperture；It equally can also in the same circumstances not
With reference to brake pedal aperture directly in response to maximum braking force degree, make vehicle as early as possible under safe stopping.
In addition, in the present embodiment, braking pilot solenoid valve and braking auxiliary gas are added to front and back brake actuator
Pipe；Correspondingly, as other embodiment, can also braking auxiliary only be added to preceding brake actuator or rear brake actuator
Solenoid valve and braking auxiliary tracheae；Or front and back be all added brakes auxiliary tracheae, but control two with a braking pilot solenoid valve
Item braking auxiliary tracheae.
A kind of new-energy automobile brake apparatus and vehicle embodiments 2
The purpose of this utility model is to provide a set of entire car controller for the integral new-energy passenger with electromagnetic braking actively to control
The auxiliary braking gas circuit of system, the auxiliary braking gas circuit connection air source and braking manifold or braking executive device, work as full-vehicle control
Device detects electromagnetic braking failure or thinks to need emergency braking constantly, and auxiliary braking gas circuit is controlled according to brake pedal aperture
Intervention intervenes with all strength, provides additional brake power, effectively improves the active safety performance of vehicle.
In the present embodiment, the structure of braking system is same as Example 1, and details are not described herein.
As shown in Fig. 2, further including alarm module and sensor in the present embodiment, figure includes entire car controller 10, longitudinal direction
It is acceleration transducer 11, distance measuring sensor 12, vehicle speed sensor 13, instrument fault mark 14, warning lamp 15, buzzer 16, preceding
Brake pilot solenoid valve 9, rear braking pilot solenoid valve 8；The entire car controller 10 and sensing module include that longitudinal acceleration passes
Sensor 11, distance measuring sensor 12, vehicle speed sensor 13 are connected, and include in addition instrument fault mark 14, warning lamp with interior module
15, buzzer 16 is connected, and is also connected with preceding braking pilot solenoid valve 9, rear braking pilot solenoid valve 8.
As shown in figure 4, the new-energy automobile brake apparatus control method step of the utility model includes：
1) pedestrian or vehicle and its distance, longitudinal acceleration whether pass to track before 12 real-time detection of distance measuring sensor
Sensor 11 acquires longitudinal acceleration value in real time；
2) (distance is less than the second default threshold when before distance measuring sensor 12 detects to track pedestrian or excessively close vehicle
Value), entire car controller 10 avoids collision acceleration needed for vehicle according to distance and present speed calculating, and is passed with longitudinal acceleration
11 collected vehicle acceleration of sensor compares, if above-mentioned two acceleration direction is opposite or vehicle acceleration is less than and avoids collision
When required acceleration, entire car controller 10 control braking pilot solenoid valve discharge maximum braking force degree, avoid collision as far as possible or
Reduce collision damage；
3) it is then examined when being more than the second predetermined threshold value to track pedestrian or vehicle distances before distance measuring sensor 12 detects
Survey whether brake pedal is operated；
If 4) brake pedal is operated and detects electromagnetic braking failure, before detection to track pedestrian or vehicle away from
From, if distance is more than the first predetermined threshold value (the first predetermined threshold value be more than the second predetermined threshold value), generate vehicle trouble code and
Reflector is shown on instrument board, lights trouble light buzzer warning simultaneously；If distance is less than the first predetermined threshold value, full-vehicle control
Unit meets the needs of vehicle brake force, also generates vehicle event according to brake pedal aperture, control braking auxiliary selenoid valve opening
Barrier code simultaneously shows Reflector on instrument board, lights trouble light buzzer warning simultaneously.
Distance measuring sensor 12 is mounted in front of the car in the present embodiment, and the braking for vehicle forward assists, equally
, distance measuring sensor 12 can also all be installed in vehicle front and back end or be installed in rear end, and auxiliary is braked when for moving backward.
In addition, in the present embodiment, braking pilot solenoid valve and braking auxiliary gas are added to front and back brake actuator
Pipe；Correspondingly, as other embodiment, can also braking auxiliary only be added to preceding brake actuator or rear brake actuator
Solenoid valve and braking auxiliary tracheae；Or front and back be all added brakes auxiliary tracheae, but control two with a braking pilot solenoid valve
Item braking auxiliary tracheae.
As other embodiment, this programme brake pedal and detect electromagnetic braking failure when, can not also visit
The distance of the preceding barrier on track is surveyed, and braking requirement is only responded according to brake pedal aperture；Equally can also mutually it sympathize with
Without reference to brake pedal aperture and directly in response to maximum braking force degree under condition, make vehicle as early as possible under safe stopping.In front obstacle
When distance is less than the second predetermined threshold value, it can not also judge whether vehicle current acceleration is avoided that collision, and directly in response to most
Big brake force makes vehicle as early as possible under safe stopping.
The field technology personnel are it should be understood that this programme is two auxiliary braking gas of increase in original gas brake system
Road increases brake force for when electromagnetic braking is failed, can actively intervene；Therefore, this programme is suitable for being equipped with the system of dying
Dynamic new energy vehicle is also applied for being equipped with the new energy vehicle that common gas is stopped.
In the present embodiment, the sequence and on-fixed of flow chart and new-energy automobile brake apparatus control method step；It can
First to judge front obstacle distance, then judge whether electromagnetic braking fails, takes appropriate measures further according to obstacle distance；
It can also first judge whether electromagnetic braking fails, then judge front obstacle distance, be taken accordingly further according to obstacle distance
Measure；In addition, the judgement sequencing of two kinds of measures can also be changed.
Claims (9)
1. a kind of new-energy automobile brake apparatus, including the braking of master cylinder, connection master cylinder and braking executive device are total
Pipe, which is characterized in that further include braking aux. control valve, braking auxiliary tracheae；Braking manifold or brake actuator pass through system
Dynamic auxiliary tracheae is connected with air source, and the braking aux. control valve is equipped on braking auxiliary tracheae.
2. a kind of new-energy automobile brake apparatus according to claim 1, which is characterized in that before braking executive device includes
Braking executive device and rear braking executive device, the braking manifold include preceding braking manifold and rear braking manifold, the braking
Auxiliary tracheae includes that preceding braking auxiliary tracheae and rear brake assist tracheae, and the braking aux. control valve includes preceding braking auxiliary control
Valve processed and rear braking aux. control valve；Braking auxiliary tracheae connection air source executes dress with preceding braking manifold or preceding brakings before described
It sets, is braked after described and tracheae connection air source is assisted to brake manifold or rear braking executive devices, the preceding braking auxiliary control with rear
Before valve is installed on braking auxiliary tracheae, the rear braking aux. control valve installation is assisted with rear brake on tracheae.
3. a kind of new-energy automobile brake apparatus according to claim 1 or 2, which is characterized in that the air source is preceding system
Dynamic air accumulator and rear braking air accumulator.
4. a kind of new-energy automobile brake apparatus according to claim 1 or 2, which is characterized in that the braking auxiliary control
Valve processed is ASR solenoid valves or ABS solenoid valves.
5. a kind of automobile, including entire car controller and brake apparatus, the brake apparatus include：Master cylinder, connection braking are total
The braking manifold of pump and braking executive device, which is characterized in that further include braking aux. control valve, braking auxiliary tracheae；Braking
Manifold or brake actuator assist tracheae to be connected with air source by braking, and the braking auxiliary is equipped on braking auxiliary tracheae
Control valve.
6. a kind of automobile according to claim 5, which is characterized in that further include range sensor.
7. a kind of automobile according to claim 6, which is characterized in that further include acceleration transducer.
8. according to a kind of automobile described in claim 5,6 or 7, which is characterized in that further include for when electromagnetic braking is failed
The body modules of warning reminding driver.
9. a kind of automobile according to claim 8, which is characterized in that the body modules include the warning of instrument fault mark
Lamp and buzzer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056186.8U CN207712035U (en) | 2017-08-22 | 2017-08-22 | A kind of new-energy automobile brake apparatus and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721056186.8U CN207712035U (en) | 2017-08-22 | 2017-08-22 | A kind of new-energy automobile brake apparatus and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207712035U true CN207712035U (en) | 2018-08-10 |
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ID=63063290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721056186.8U Active CN207712035U (en) | 2017-08-22 | 2017-08-22 | A kind of new-energy automobile brake apparatus and vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN207712035U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421681A (en) * | 2017-08-22 | 2019-03-05 | 郑州宇通客车股份有限公司 | A kind of new-energy automobile brake gear and its control method |
-
2017
- 2017-08-22 CN CN201721056186.8U patent/CN207712035U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109421681A (en) * | 2017-08-22 | 2019-03-05 | 郑州宇通客车股份有限公司 | A kind of new-energy automobile brake gear and its control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: 450016 Yutong Industrial Zone, eighteen Li River, Henan, Zhengzhou Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
|
| CP03 | Change of name, title or address |