CN204354846U - A kind of electrobus electronic parking control system - Google Patents
A kind of electrobus electronic parking control system Download PDFInfo
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- CN204354846U CN204354846U CN201420821908.4U CN201420821908U CN204354846U CN 204354846 U CN204354846 U CN 204354846U CN 201420821908 U CN201420821908 U CN 201420821908U CN 204354846 U CN204354846 U CN 204354846U
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- electromagnetic valve
- micro controller
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- back axle
- indicator lamp
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Abstract
The utility model provides a kind of electrobus electronic parking control system, comprises micro controller system, hand brake switch, automatic parking switch, Das Gaspedal, brake pedal, car speed sensor, angular transducer, propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp; Described hand brake switch, automatic parking switch, Das Gaspedal, brake pedal, car speed sensor are all connected with the input end of micro controller system with the mouth of angular transducer, and the mouth of described micro controller system is connected with the input end of propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp respectively.The utility model can guarantee that electrobus reliably realizes the functions such as brake snub, ramp parking, automatic parking, prevents and slips by slope or sliding phenomenon, reduces the labour intensity of chaufeur, lifting vehicle safety, handling and driver comfort.
Description
Technical field
The utility model relates to Control of Electric Vehicles technical field, specifically a kind of electrobus electronic parking control system.
Background technology
At present, the brake equipment of passenger vehicle and heavy motor vehicle adopts gas brake mode, and wherein, foot brake is by producing service brake power to forward and backward bridge left and right wheels braking during standstill chamber inflated, removes braking during standstill power to forward and backward bridge left and right wheels braking during standstill air chamber exhaust; Hand braking is by producing braking during standstill power to back axle left and right wheels braking during standstill chamber inflated, removes braking during standstill power to the exhaust of back axle left and right wheels braking during standstill air chamber.Traditional air braking systems adopts manual joystick to control gas circuit, operating process is more loaded down with trivial details, what need during park brake operation is firmly also larger, frequent operation makes the labour intensity of chaufeur increase, if forget pull-up brake-applying handle when chaufeur stops, vehicle cannot realize braking during standstill, can there is the risk of automobile Sliding carriage with three wheels when parking on ramp.After parking on ramp, in order to avoid vehicle anti-slide during starting, first will start vehicle, when vehicle has moment of torsion to export, just can unclamp hand braking, the chaufeur of lacking experience easily produces and slips by slope phenomenon.
Utility model content
The purpose of this utility model is to provide a kind of electrobus electronic parking control system, by realizing at different driving states and track controlling the electronization of vehicle parking and braking, provisional braking and parking braking function are integrated, adopt the automatic control that electromagnetic valve realizes the generation of electrobus braking during standstill to the mode that gas circuit controls and removes, guarantee that electrobus reliably realizes the functions such as brake snub, ramp parking, automatic parking, to alleviate the labour intensity of chaufeur, improve the handling and driver comfort of vehicle.
The technical solution of the utility model is:
A kind of electrobus electronic parking control system, this system comprises micro controller system, hand brake switch, automatic parking switch, Das Gaspedal, brake pedal, car speed sensor, angular transducer, propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp; Described hand brake switch, automatic parking switch, Das Gaspedal, brake pedal, car speed sensor are all connected with the input end of micro controller system with the mouth of angular transducer, and the mouth of described micro controller system is connected with the input end of propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp respectively.
Described electrobus electronic parking control system, described hand brake switch is all connected with the input end of micro controller system by on-off model Acquisition Circuit with the mouth of automatic parking switch.
Described electrobus electronic parking control system, described Das Gaspedal, brake pedal are all connected with the input end of micro controller system by voltage/frequency signal acquisition circuit with the mouth of car speed sensor.
Described electrobus electronic parking control system, the mouth of described angular transducer is connected with the input end of micro controller system by SPI interface circuit.
Described electrobus electronic parking control system, the mouth of described micro controller system is connected respectively by the input end of output interface circuit with propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp.
Described electrobus electronic parking control system, this system also comprises Air compressor relay and is arranged on the baroceptor in car load braking gas circuit, the mouth of described baroceptor is connected with the input end of micro controller system by voltage/frequency signal acquisition circuit, and the mouth of described micro controller system is connected by the input end of output interface circuit with Air compressor relay.
The utility model passes through vehicle speed signal, throttle signal, speed-slackening signal, hand brake switch signal, automatic parking on-off signal, the Real-time Collection of vehicle dip angle signal, judge current motion state and the braking requirement of vehicle, in time be switched on or switched off propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, braking or brake off are implemented to vehicle, guarantee that electrobus reliably realizes brake snub, ramp parking, the functions such as automatic parking, prevent and slip by slope or sliding phenomenon, reduce the labour intensity of chaufeur, lifting vehicle safety, handling and driver comfort.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
The utility model is further illustrated below in conjunction with the drawings and specific embodiments.
As shown in Figure 1, a kind of electrobus electronic parking control system, comprises micro controller system 1, on-off model Acquisition Circuit 2, voltage/frequency signal acquisition circuit 3, angular transducer 4, SPI interface circuit 5, output interface circuit 6, Air compressor relay 7, propons electromagnetic valve 8, back axle electromagnetic valve 9, manual braking electromagnetic valve 10, parking indicator lamp 11 and automatic parking indicator lamp 12.
On-off model Acquisition Circuit 2 is connected with hand brake switch S1 and automatic parking switch S 2, for gathering hand braking signal and automatic parking signal, and the signal input micro controller system 1 that will gather.Voltage/frequency signal acquisition circuit 3 is connected with Das Gaspedal, brake pedal, car speed sensor and baroceptor, for gathering throttle signal (voltage form), speed-slackening signal (voltage form), vehicle speed signal (impulse form) and air pressure signal (voltage form), and the signal input micro controller system 1 that will gather.
The information of collection for collection vehicle obliquity information, and is inputted micro controller system 1 by SPI interface circuit 5 by angular transducer 4.Micro controller system 1 is controlled Air compressor relay 7, propons electromagnetic valve 8, back axle electromagnetic valve 9, manual braking electromagnetic valve 10, parking indicator lamp 11 and automatic parking indicator lamp 12 respectively by output interface circuit 6.
Baroceptor is arranged in car load braking gas circuit, and the pressure change that gas circuit braked by car load by baroceptor is converted to electric signal, after voltage/frequency signal acquisition circuit 3 is nursed one's health this electric signal, is sent to the ADC voltage acquisition port of micro controller system 1.When micro controller system 1 detects that car load braking gas circuit air pressure is on the low side, control Air compressor relay 7 by output interface circuit 6 and connect, startup air compressor carries out air pressure to car load braking gas circuit and supplements; When micro controller system 1 detects that car load braking gas circuit air pressure returns to maxim, control Air compressor relay 7 by output interface circuit 6 and disconnect, close air compressor.
Propons electromagnetic valve 8 and back axle electromagnetic valve 9 are two-bit triplet electric control valves that two functions are identical, are connected respectively to compressed air brake cylinder, car load braking gas circuit and atmosphere outside.When propons electromagnetic valve 8 and back axle electromagnetic valve 9 are energized, propons, back axle left and right wheels compressed air brake cylinder and car load are braked gas circuit and are connected (car load is braked gas circuit and is communicated with storage tank), pressurized air in car load braking gas circuit is filled with propons, back axle left and right wheels compressed air brake cylinder, implements gas braking to propons, back axle left and right wheels; When propons electromagnetic valve 8 and 9 power-off of back axle electromagnetic valve, propons, back axle left and right wheels compressed air brake cylinder and atmosphere outside are connected, and the pressurized air in propons, back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere, remove propons, the braking of back axle left and right wheels.
Manual braking electromagnetic valve 10 is contrary with the action of propons electromagnetic valve 8 and back axle electromagnetic valve 9, when manual braking electromagnetic valve 10 is energized, back axle left and right wheels compressed air brake cylinder and atmosphere outside are connected, and the pressurized air in back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere, remove the braking of back axle left and right wheels; When manual braking electromagnetic valve 10 power-off, back axle left and right wheels compressed air brake cylinder and car load are braked gas circuit and are connected, and the pressurized air in car load braking gas circuit is filled with back axle left and right wheels compressed air brake cylinder, implements gas braking to back axle left and right wheels.
Principle of work of the present utility model:
When micro controller system 1 detects that automatic parking signal disconnects, controlling automatic parking indicator lamp 12 extinguish by output interface circuit 6, is now non-automatic park mode:
(1) when micro controller system 1 detects speed-slackening signal, control propons electromagnetic valve 8 by output interface circuit 6, back axle electromagnetic valve 9 is energized, pressurized air in car load braking gas circuit is filled with propons, back axle left and right wheels compressed air brake cylinder respectively by propons electromagnetic valve 8, back axle electromagnetic valve 9, implements brake snub to vehicle propons, back axle left and right wheels; When micro controller system 1 detects that brake pedal unclamps, propons electromagnetic valve 8, back axle electromagnetic valve 9 power-off is controlled by output interface circuit 6, pressurized air in propons, back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere respectively by propons electromagnetic valve 8, back axle electromagnetic valve 9, removes propons, back axle left and right wheels brake snub.
(2) after vehicle immobilization, when micro controller system 1 detects that hand braking signal is connected, control manual braking electromagnetic valve 10 power-off by output interface circuit 6, the pressurized air in car load braking gas circuit is filled with back axle left and right wheels compressed air brake cylinder by manual braking electromagnetic valve 10, implements braking during standstill to back axle left and right wheels; Meanwhile, micro controller system 1 controls parking indicator lamp 11 by output interface circuit 6 and lights, and indicating current is parked state.When vehicle needs again to travel, chaufeur touches hand brake switch S1, when micro controller system 1 detects that hand braking signal disconnects, control manual braking electromagnetic valve 10 by output interface circuit 6 to be energized, pressurized air in back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere by manual braking electromagnetic valve 10, removes back axle left and right wheels braking during standstill; Meanwhile, micro controller system 1 controls parking indicator lamp 11 by output interface circuit 6 and extinguishes, and indicating current is non-parked state.
When micro controller system 1 detects that automatic parking signal is connected, controlling automatic parking indicator lamp 12 light by output interface circuit 6, is now automatic parking pattern:
(1) when micro controller system 1 detects vehicle speed signal and speed-slackening signal simultaneously, control propons electromagnetic valve 8 by output interface circuit 6, back axle electromagnetic valve 9 is energized, pressurized air in car load braking gas circuit is filled with propons, back axle left and right wheels compressed air brake cylinder respectively by propons electromagnetic valve 8, back axle electromagnetic valve 9, implements brake snub to vehicle propons, back axle left and right wheels; When micro controller system 1 detects that brake pedal unclamps, propons electromagnetic valve 8, back axle electromagnetic valve 9 power-off is controlled by output interface circuit 6, pressurized air in propons, back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere respectively by propons electromagnetic valve 8, back axle electromagnetic valve 9, removes propons, back axle left and right wheels brake snub.
(2) time without vehicle speed signal, if micro controller system 1 detects speed-slackening signal, and when speed-slackening signal exceedes predetermined threshold value, then control back axle electromagnetic valve 9 by output interface circuit 6 to be energized, the pressurized air in car load braking gas circuit is filled with back axle left and right wheels compressed air brake cylinder by back axle electromagnetic valve 9, implements braking during standstill to vehicle rear axle left and right wheels, and keep this state, realize automatic parking, now micro controller system 1 controls parking indicator lamp 11 by output interface circuit 6 and lights, and indicating current is parked state; Until when micro controller system 1 detects throttle signal, control back axle electromagnetic valve 9 power-off by output interface circuit 6, the pressurized air in back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere by back axle electromagnetic valve 9, removes back axle left and right wheels braking during standstill; Meanwhile, micro controller system 1 controls parking indicator lamp 11 by output interface circuit 6 and extinguishes, and indicating current is non-parked state.
(3) after vehicle immobilization, when micro controller system 1 detects that hand braking signal is connected, control manual braking electromagnetic valve 10 power-off by output interface circuit 6, the pressurized air in car load braking gas circuit is filled with back axle left and right wheels compressed air brake cylinder by manual braking electromagnetic valve 10, implements braking during standstill to back axle left and right wheels; Meanwhile, micro controller system 1 controls parking indicator lamp 11 by output interface circuit 6 and lights, and indicating current is parked state.Now, if micro controller system 1 detects that hand braking signal disconnects, then control manual braking electromagnetic valve 10 by output interface circuit 6 to be energized, the pressurized air in back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere by manual braking electromagnetic valve 10, removes back axle left and right wheels braking during standstill; Meanwhile, micro controller system 1 controls parking indicator lamp 11 by output interface circuit 6 and extinguishes, and indicating current is non-parked state.
(4) when micro controller system 1 detects that hand braking signal disconnects, and stop exceed setting-up time after, micro controller system 1 equally also can control back axle electromagnetic valve 9 by output interface circuit 6 and be energized, pressurized air in car load braking gas circuit is filled with back axle left and right wheels compressed air brake cylinder by back axle electromagnetic valve 9, braking during standstill is implemented to vehicle rear axle left and right wheels, and keep this state, realize automatic parking; Until when throttle signal being detected, control the power-off of back axle electromagnetic valve, braking during standstill is removed to vehicle rear axle left and right wheels.Certainly, before micro controller system 1 detects throttle signal, if detect that hand braking signal is connected, also back axle electromagnetic valve 9 power-off can be controlled, control manual braking electromagnetic valve 10 power-off simultaneously, pressurized air in car load braking gas circuit is filled with back axle left and right wheels compressed air brake cylinder by manual braking electromagnetic valve 10, implements braking during standstill to back axle left and right wheels.
(5) when vehicle is in up and down ramp, angular transducer 4 detects the change of pitch angle of vehicle, and by SPI interface circuit 5 by change of pitch angle value input micro controller system 1, if micro controller system 1 detects that the speed of a motor vehicle is 0 or speed-slackening signal detected, then control propons electromagnetic valve 8 by output interface circuit 6, back axle electromagnetic valve 9 is energized, pressurized air in car load braking gas circuit is filled with propons, back axle left and right wheels compressed air brake cylinder respectively by propons electromagnetic valve 8, back axle electromagnetic valve 9, braking during standstill is implemented to vehicle propons, back axle left and right wheels, has ensured emergency on ramp.When micro controller system 1 has detected throttle signal in this condition, then control propons electromagnetic valve 8, back axle electromagnetic valve 9 power-off by output interface circuit 6, pressurized air in propons, back axle left and right wheels compressed air brake cylinder is discharged in outside atmosphere respectively by propons electromagnetic valve 8, back axle electromagnetic valve 9, removes propons, back axle left and right wheels braking during standstill.
When micro controller system 1 detects that car load braking gas circuit air pressure is on the low side, control Air compressor relay 7 by output interface circuit 6 and be energized, startup air compressor carries out air pressure to car load braking gas circuit and supplements; When car load braking gas circuit air pressure returns to maxim, micro controller system 1 controls Air compressor relay 7 power-off by output interface circuit 6, closes air compressor.
The above embodiment is only be described preferred implementation of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that claims of the present utility model determine.
Claims (6)
1. an electrobus electronic parking control system, is characterized in that: this system comprises micro controller system, hand brake switch, automatic parking switch, Das Gaspedal, brake pedal, car speed sensor, angular transducer, propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp; Described hand brake switch, automatic parking switch, Das Gaspedal, brake pedal, car speed sensor are all connected with the input end of micro controller system with the mouth of angular transducer, and the mouth of described micro controller system is connected with the input end of propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp respectively.
2. electrobus electronic parking control system according to claim 1, is characterized in that: described hand brake switch is all connected with the input end of micro controller system by on-off model Acquisition Circuit with the mouth of automatic parking switch.
3. electrobus electronic parking control system according to claim 1, is characterized in that: described Das Gaspedal, brake pedal are all connected with the input end of micro controller system by voltage/frequency signal acquisition circuit with the mouth of car speed sensor.
4. electrobus electronic parking control system according to claim 1, is characterized in that: the mouth of described angular transducer is connected with the input end of micro controller system by SPI interface circuit.
5. electrobus electronic parking control system according to claim 1, is characterized in that: the mouth of described micro controller system is connected respectively by the input end of output interface circuit with propons electromagnetic valve, back axle electromagnetic valve, manual braking electromagnetic valve, parking indicator lamp and automatic parking indicator lamp.
6. electrobus electronic parking control system according to claim 1, it is characterized in that: this system also comprises Air compressor relay and is arranged on the baroceptor in car load braking gas circuit, the mouth of described baroceptor is connected with the input end of micro controller system by voltage/frequency signal acquisition circuit, and the mouth of described micro controller system is connected by the input end of output interface circuit with Air compressor relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420821908.4U CN204354846U (en) | 2014-12-23 | 2014-12-23 | A kind of electrobus electronic parking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420821908.4U CN204354846U (en) | 2014-12-23 | 2014-12-23 | A kind of electrobus electronic parking control system |
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| Publication Number | Publication Date |
|---|---|
| CN204354846U true CN204354846U (en) | 2015-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420821908.4U Expired - Fee Related CN204354846U (en) | 2014-12-23 | 2014-12-23 | A kind of electrobus electronic parking control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494591A (en) * | 2014-12-23 | 2015-04-08 | 安徽安凯汽车股份有限公司 | Electronic parking control system of electric motor coach and control method of electronic parking control system |
| CN106080552A (en) * | 2016-06-29 | 2016-11-09 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loader automatic parking system |
| CN107618490A (en) * | 2017-10-17 | 2018-01-23 | 吉林大学 | Line traffic control Pneumatic braking system controller and its control method |
| CN109795480A (en) * | 2019-01-28 | 2019-05-24 | 汉腾汽车有限公司 | A kind of parking on ramp automatic parking system and its control method |
| CN115214572A (en) * | 2022-08-12 | 2022-10-21 | 安徽安凯汽车股份有限公司 | Electronic automatic parking control system for passenger car |
-
2014
- 2014-12-23 CN CN201420821908.4U patent/CN204354846U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494591A (en) * | 2014-12-23 | 2015-04-08 | 安徽安凯汽车股份有限公司 | Electronic parking control system of electric motor coach and control method of electronic parking control system |
| CN104494591B (en) * | 2014-12-23 | 2017-04-12 | 安徽安凯汽车股份有限公司 | Electronic parking control system of electric motor coach and control method of electronic parking control system |
| CN106080552A (en) * | 2016-06-29 | 2016-11-09 | 徐工集团工程机械股份有限公司科技分公司 | A kind of loader automatic parking system |
| CN107618490A (en) * | 2017-10-17 | 2018-01-23 | 吉林大学 | Line traffic control Pneumatic braking system controller and its control method |
| CN109795480A (en) * | 2019-01-28 | 2019-05-24 | 汉腾汽车有限公司 | A kind of parking on ramp automatic parking system and its control method |
| CN115214572A (en) * | 2022-08-12 | 2022-10-21 | 安徽安凯汽车股份有限公司 | Electronic automatic parking control system for passenger car |
| CN115214572B (en) * | 2022-08-12 | 2024-04-09 | 安徽安凯汽车股份有限公司 | Electronic automatic parking control system of passenger car |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| 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: 20150527 Termination date: 20191223 |