CN203727191U - Crash safety control system for electric coach - Google Patents
Crash safety control system for electric coach Download PDFInfo
- Publication number
- CN203727191U CN203727191U CN201420118222.9U CN201420118222U CN203727191U CN 203727191 U CN203727191 U CN 203727191U CN 201420118222 U CN201420118222 U CN 201420118222U CN 203727191 U CN203727191 U CN 203727191U
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- power battery
- collision
- battery pack
- electrokinetic cell
- cell system
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Abstract
The utility model provides a crash safety control system for an electric coach. The crash safety control system for the electric coach comprises a contact type crash sensor, an acceleration sensor, a power battery system disconnection controller, contactors, an alarm unit, a display unit, a single-pole double-throw switch, a power battery system and a driving motor, wherein the power battery system consists of a plurality of power battery packs. When the power battery pack in a certain case judges that a crash happens through a disconnection control algorithm, the power battery system disconnection controller controls the contactor in the case to be turned off, so that the power battery pack can be depressurized and disconnected; meanwhile, the power battery system disconnection controller controls the external contactor to be turned on, so that the other power battery packs can be reconnected, and separate case disconnection is accomplished. According to the crash safety control system for the electric coach, dangers such as high voltage, combustion and explosion under the working condition that the electric coach crashes are avoided, and meanwhile, the functions of braking, turning and the like can be effectively realized under the working condition that the electric coach crashes.
Description
Technical field
The utility model relates to the passive security field of vehicle electric field and electronlmobil, specifically, relates to a kind of electrobus collision safety control system.
Background technology
Electronlmobil, as the clean vehicle, is adapted to the demand for development of social demand and national green GDP growth, meets the fundamental state policy economizing on resources with protection of the environment.Reduce simultaneously the transition of traditional fuel has been relied on.But, electronlmobil is in operational process, may there is the contingencies such as collision and rollover, cause short circuit, electric leakage, thermal shock, blast, burning of power system etc., thus occupant is produced to electricity injury, chemistry injury, battery explosion injury and burning injury etc., and may cause larger running fire incidents and secondary injury.Also successively there is spontaneous combustion and the rear event on fire of collision in several electronlmobil operational processs both at home and abroad.The research of electronlmobil passive security control at present mainly concentrates on high-voltage safety control research, the research of electric vehicle structure layout and collision simulation research etc., less for the safety control research after electric automobile collision accident.Electric automobile high-voltage electrokinetic cell system collision safety control research will make electronlmobil passive security control research more perfect.
Utility model content
In order to solve above-mentioned the deficiencies in the prior art part, the utility model provides a kind of electrobus collision safety control system, and described electrobus collision safety control system comprises contact crash sensor, acceleration pick-up, electrokinetic cell system breaking control device, multiple single pole double throw switch, multiple contactless switch, multiple power battery pack, drive motor, alarm unit, display unit.Wherein, described electrokinetic cell system breaking control device comprises CPU, backup power, signal processing circuit, ROM memory device, RAM memory device and driving circuit; Described electrokinetic cell system breaking control device is used for according to the communication of contact crash sensor, acceleration pick-up, the forms of collision that comprehensive analysis and judgement vehicle occurs and the order of severity of collision, and then make the decision that whether triggers disjunction control signal, and there is vehicle running state information for the previous period in store car collision; Contact crash sensor is connected with electrokinetic cell system breaking control device by signal processing circuit with acceleration pick-up; Single pole double throw switch, alarm unit and display unit are connected with electrokinetic cell system breaking control device by driving circuit; Each power battery pack comprises multiple battery modules and inner contactless switch, and inner contactless switch is serially connected with between battery module and battery module, and external contactor is connected with the outside two ends of each power battery pack; Inner contactless switch is connected with electrokinetic cell system breaking control device by single pole double throw switch respectively with external contactor; Drive motor is connected with the overall two ends that are made up of multiple power battery pack.
Preferably, the contact-impact signal of power battery pack is set and be arranged to detect in real time to described contact crash sensor.
Preferably, described acceleration pick-up detects the crash acceleration signal of power battery pack diaxon four-way in real time.
Preferably, CPU three grades of collision degree threshold parameters that reading pre-set also can reset, revises and judge from ROM memory device; Backup power is for powering to electrokinetic cell system breaking control device in the external power source lower short time of failure conditions, and backup power is made up of multiple tantalum electrolytic capacitors; Signal processing circuit is for carrying out filtering and scale transformation by measured signal; The threshold parameter of ROM memory device for presetting and can resetting and revise; RAM memory device, for the intermediate variable of storage program operational process and the data of collection; Driving circuit is used for driving single pole double throw switch, contactless switch, alarm unit and display unit.
Preferably, inner contactless switch, is serially connected with the inside of power battery pack, is broken into A-battery module for power battery pack is divided; External contactor is connected in the outside of power battery pack, falls the power battery pack of the broken one-tenth A-battery module due to collision for short circuit, makes all the other power battery pack still can form C/LOOP with drive motor.
Preferably, described alarm unit and display unit respectively with electrokinetic cell system breaking control device connecting communication, wherein, described alarm unit is for send acousto-optic-electric alerting signal in the time of collision happens, and described display unit for showing accident information in the time that vehicle has an accident.
Therefore, electrobus collision safety control system of the present utility model is used acceleration pick-up and contact crash sensor by combining, and obtains the incoming signal of control logic algorithm, then judges the form of collision and the order of severity of collision according to control algorithm.Vehicle status data when electrokinetic cell system breaking control device can record collision, is used for accident to analyze; Also can be in the time that electronlmobil bump, high voltage power battery system is divided and be broken into A-battery module, avoid, in harm such as the high pressure of when collision electrokinetic cell, burning, blasts, better having ensured driver and crew's life security.
Brief description of the drawings
Fig. 1 is the system framework figure of electrobus collision safety control system of the present utility model;
Fig. 2 is the diagram of circuit of the control method of electrobus collision safety control system of the present utility model;
Fig. 3 is the disjunction control policy of electrobus collision safety control system of the present utility model.
Description of reference numerals is as follows:
Contact crash sensor 1, acceleration pick-up 2, electrokinetic cell system breaking control device 3, CPU3a, backup power 3b, signal processing circuit 3c, ROM memory device 3d, RAM memory device 3e, driving circuit 3f, single pole double throw switch 4, inner contactless switch 5a, external contactor 5b, power battery pack 6L-1,6L-2 ... 6L-n, drive motor 7, alarm unit 8, display unit 9.
Detailed description of the invention
In order to make inspector can further understand structure of the present utility model, feature and other objects, now being accompanied by accompanying drawing in conjunction with appended preferred embodiment is described in detail as follows, the illustrated embodiment of this accompanying drawing is only for the technical solution of the utility model is described, and non-limiting the utility model.
First, please refer to Fig. 1, Fig. 1 is the system framework figure of electrobus collision safety control system of the present utility model.As shown in Figure 1, electrobus collision safety control system of the present utility model comprises and meets contact crash sensor 1, acceleration pick-up 2, electrokinetic cell system breaking control device 3, single pole double throw switch 4, contactless switch 5a, 5b, power battery pack 6L-1,6L-2 ... 6L-n, drive motor 7, alarm unit 8, display unit 9.
In electrobus collision safety control system of the present utility model, electrokinetic cell system breaking control device 3 comprises CPU3a, backup power 3b, signal processing circuit 3c, ROM memory device 3d, RAM memory device 3e and driving circuit 3f.Electrokinetic cell system breaking control device 3 is for according to the communication of contact crash sensor 1, acceleration pick-up 2, the forms of collision that comprehensive analysis and judgement vehicle occurs and the order of severity of collision, and then make the decision that whether triggers disjunction control signal, and there is vehicle running state information for the previous period in store car collision.
Contact crash sensor 1 is connected with electrokinetic cell system breaking control device 3 by signal processing circuit 3c with acceleration pick-up 2.Single pole double throw switch 4, alarm unit 8 and display unit 9 are connected with electrokinetic cell system breaking control device 3 by driving circuit 3f.Each power battery pack comprises multiple battery modules and inner contactless switch 5a, and inner contactless switch 5a is serially connected with between battery module 1 and battery module 2, and external contactor 5b is connected with the outside two ends of each power battery pack; Inner contactless switch 5a is connected with electrokinetic cell system breaking control device 3 by single pole double throw switch 4 respectively with external contactor 5b; Drive motor 7 and multiple power battery pack 6L-1,6L-2 ... the two ends of 6L-n are connected.
In a preferred embodiment, the contact crash sensor 1 of electrobus collision safety control system of the present utility model is set and is arranged to and detects and outputting power battery pack 6L-1,6L-2 ... the flag information of the contact-impact of 6L-n.
In addition, acceleration pick-up 2 detects power battery pack 6L-1 in real time, 6L-2 ... the crash acceleration signal of the diaxon four-way of 6L-n.
Further, for electrokinetic cell system breaking control device 3 of the present utility model, CPU3a three grades of collision degree threshold parameters that reading pre-set also can reset, revises and judge from ROM memory device 3d.Backup power 3b is for powering to electrokinetic cell system breaking control device 3 in the external power source lower short time of failure conditions, backup power by multiplely possessing that capacity is large, good stability, good temp characteristic feature tantalum electrolytic capacitor form.Signal processing circuit 3c is mainly used in measured signal to carry out filtering and scale transformation.The threshold parameter of ROM memory device 3d for presetting and can resetting and revise.RAM memory device 3e, for the intermediate variable of storage program operational process and the data of collection.Driving circuit 3f is used for driving single pole double throw switch 4, contactless switch 5, alarm unit 8 and display unit 9.
In addition, as shown in Figure 1, the inside contactless switch 5a of electrobus collision safety control system of the present utility model, be serially connected with power battery pack 6L-1,6L-2 ... the inside of 6L-n, be used for power battery pack 6L-1,6L-2 ... 6L-n divides and is broken into multiple A-battery modules; External contactor 5b is connected to power battery pack 6L-1,6L-2 ... the outside of 6L-n, for the power battery pack 6L-1 of short circuit broken one-tenth low-voltage module due to collision, 6L-2 ... 6L-n, makes all the other power battery pack still can form C/LOOP with drive motor 7;
In another preferred embodiment, in electrobus collision safety control system of the present utility model, alarm unit 8 and display unit 9 respectively with electrokinetic cell system breaking control device 3 connecting communications, wherein, described alarm unit 8 is for sending acousto-optic-electric alerting signal when the collision happens, and described display unit 9 for showing accident information in the time that vehicle has an accident.
Further, inner contactless switch 5a of the present utility model is connected with electrokinetic cell system breaking control device 3 by single pole double throw switch 4 with external contactor 5b, has avoided inner contactless switch 5a and the external contactor 5b problem of closure simultaneously.
In addition, the utility model also provides a kind of control method of electrobus collision safety control system, please refer to Fig. 2 and Fig. 3, Fig. 2 is the diagram of circuit of the control method of electrobus collision safety control system of the present utility model, and Fig. 3 is the control policy of electrobus collision safety control system of the present utility model.
As shown in Figure 2, the step of the control method of electrobus collision safety control system of the present utility model is as follows: steps A: three grades of collision degree threshold parameters (as shown in the frame 1002 of Fig. 2) that the CPU3a of electrokinetic cell system breaking control device 3 also can reset and revise from reading pre-set ROM memory device 3d, described threshold parameter comprises the threshold parameter W for judging the serious collision of difference vehicle collision and moderate collision
1, the threshold parameter W of the moderate collision of difference vehicle collision and slight degree of crash
2.
Step B: the CPU3a of electrokinetic cell system breaking control device 3 judges the correctness (as shown in the frame 1003 of Fig. 2) of described three grades of collision degree threshold parameters, when correct, proceeds to step C; When mistake, display threshold abnormal parameters (as shown in the frame 1004 of Fig. 2), and threshold parameter is returned to default value.
Step C: electrokinetic cell system breaking control device 3 analyzing and processing acceleration signals, it comprises the steps: that the CPU3a of electrokinetic cell system breaking control device 3 obtains the time sampling acceleration signal (as shown in the frame 1005 of Fig. 2) being transmitted through signal processing circuit 3c by acceleration pick-up 2 and contact crash sensor 1, and processes through signal processing circuit 3c; Then, carry out control algorithm (as shown in the frame 1006 of Fig. 2), to judge whether bump (as shown in the frame 1007 of Fig. 2), if judgement bumps, proceed to step D, if judgement does not bump, re-start the time sampling shown in the frame 1005 of Fig. 2.
Step D: electrokinetic cell system breaking control device 3 is carried out control algorithm (as shown in the frame 1006 of Fig. 2), and then makes the decision that whether triggers disjunction.Herein, be elaborated in conjunction with Fig. 3.As shown in Figure 3, disjunction control policy of the present utility model is as follows: in the time that acceleration pick-up 2 detects sharp impacts (as shown in the frame 2001 of Fig. 3), being arranged in battery box touch sensor 1 around is likely directly broken and cisco unity malfunction, now, can be in the situation that there is no contact crash sensor 1 data, electrokinetic cell system breaking control device 3 triggers disjunction control signal (as shown in the frame 2006 of Fig. 3); In the time there is moderate collision (as shown in the frame 2004 of Fig. 3), contact crash sensor 1 detects collision (as shown in the frame 2002 of Fig. 3), acceleration pick-up 2 also detects collision (as shown in the frame 2003 of Fig. 3) simultaneously, and electrokinetic cell system breaking control device 3 can trigger disjunction control signal (as shown in the frame 2006 of Fig. 3); In the time there is slight degree of crash, even if two sensors have all detected collision alarm, because the order of severity of collision is not enough to jeopardize electrokinetic cell system, so electrokinetic cell system breaking control device 3 does not trigger disjunction control signal (as shown in the frame 2005 of Fig. 3).
Step e: after one of them power battery pack 6L-1 is collided, electrokinetic cell system breaking control device 3 triggers disjunction control signal (as the frame 1008 of Fig. 2), drive the inside contactless switch 5a in power battery pack 6L-1 to disconnect, drive the external contactor 5b closure of power battery pack 6L-1 simultaneously, and store crash data (as the frame 1009 of Fig. 2).
Finally, the control method of electrobus collision safety control system of the present utility model finishes (as shown in the frame 1010 of Fig. 2).
Further, in the time that collision causes the external power source of electrokinetic cell system breaking control device 3 to lose efficacy, start backup power 3b, with guarantee when collision cause electrokinetic cell system breaking control device 3 external sources lost efficacy after, also can maintain electrokinetic cell system breaking control device 3 and send breaking signal and carry out data storage.In the utility model, the backup power 3b of electrokinetic cell system breaking control device 3 is made up of multiple tantalum chemical capacitors.
As can be seen here, electrobus collision safety control system of the present utility model is used acceleration pick-up and contact crash sensor by combining, obtain the incoming signal of control logic algorithm, then judge the form of collision and the order of severity of collision according to control algorithm.Vehicle status data when electrokinetic cell system breaking control device can record collision, is used for accident to analyze; Also can be in the time that electronlmobil bump, high voltage power battery system is divided and be broken into A-battery module, avoid, in harm such as the high pressure of when collision electrokinetic cell, burning, blasts, better having ensured driver and crew's life security.
Need statement, above-mentioned utility model content and detailed description of the invention are intended to prove the practical application of technical scheme that the utility model provides, and should not be construed as the restriction to the utility model protection domain.Those skilled in the art are in spirit of the present utility model and principle, when doing various amendments, be equal to and replace or improve.Protection domain of the present utility model is as the criterion with appended claims.
Claims (6)
1. an electrobus collision safety control system, it is characterized in that, described electrobus collision safety control system comprises contact crash sensor (1), acceleration pick-up (2), electrokinetic cell system breaking control device (3), multiple single pole double throw switch (4), multiple contactless switch (5a, 5b), multiple power battery pack (6L-1,6L-2 ... 6L-n), drive motor (7), alarm unit (8), display unit (9);
Wherein, described electrokinetic cell system breaking control device (3) comprises CPU (3a), backup power (3b), signal processing circuit (3c), ROM memory device (3d), RAM memory device (3e) and driving circuit (3f); Described electrokinetic cell system breaking control device (3) is for according to the communication of contact crash sensor (1), acceleration pick-up (2), the forms of collision that comprehensive analysis and judgement vehicle occurs and the order of severity of collision, and then make the decision that whether triggers disjunction control signal, and there is vehicle running state information for the previous period in store car collision;
Contact crash sensor (1) is connected with electrokinetic cell system breaking control device (3) by signal processing circuit (3c) with acceleration pick-up (2);
Single pole double throw switch (4), alarm unit (8) and display unit (9) are connected with electrokinetic cell system breaking control device (3) by driving circuit (3f);
Each power battery pack comprises multiple battery modules and inner contactless switch (5a), inner contactless switch (5a) is serially connected with between battery module (1a) and battery module (2a), and external contactor (5b) is connected with the outside two ends of each power battery pack;
Inner contactless switch (5a) is connected with electrokinetic cell system breaking control device (3) by single pole double throw switch (4) respectively with external contactor (5b);
Drive motor (7) with by multiple power battery pack (6L-1,6L-2 ... 6L-n) the overall two ends of composition are connected.
2. electrobus collision safety control system as claimed in claim 1, it is characterized in that, described contact crash sensor (1) set and be arranged to detect in real time power battery pack (6L-1,6L-2 ... contact-impact signal 6L-n).
3. electrobus collision safety control system as claimed in claim 1, is characterized in that, described acceleration pick-up (2) detect in real time power battery pack (6L-1,6L-2 ... the crash acceleration signal of diaxon four-way 6L-n).
4. electrobus collision safety control system as claimed in claim 1, it is characterized in that CPU (3a) three grades of collision degree threshold parameters that reading pre-set also can reset, revises and judge from ROM memory device (3d); Backup power (3b) is for powering to electrokinetic cell system breaking control device (3) in the external power source lower short time of failure conditions, and backup power is made up of multiple tantalum electrolytic capacitors; Signal processing circuit (3c) is for carrying out filtering and scale transformation by measured signal; The threshold parameter of ROM memory device (3d) for presetting and can resetting and revise; RAM memory device (3e), for the intermediate variable of storage program operational process and the data of collection; Driving circuit (3f) is for driving single pole double throw switch (4), contactless switch (5), alarm unit (8) and display unit (9).
5. electrobus collision safety control system as claimed in claim 1, is characterized in that, inner contactless switch (5a), be serially connected with power battery pack (6L-1,6L-2 ... inside 6L-n), is broken into A-battery module for power battery pack is divided; External contactor (5b) is connected in power battery pack (6L-1,6L-2, outside 6L-n), fall the power battery pack of the broken one-tenth A-battery module due to collision for short circuit, make all the other power battery pack still can form C/LOOP with drive motor (7).
6. electrobus collision safety control system as claimed in claim 1, it is characterized in that, described alarm unit (8) and display unit (9) respectively with electrokinetic cell system breaking control device (3) connecting communication, wherein, described alarm unit (8) is for sending acousto-optic-electric alerting signal when the collision happens, and described display unit (9) for showing accident information in the time that vehicle has an accident.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118222.9U CN203727191U (en) | 2014-03-14 | 2014-03-14 | Crash safety control system for electric coach |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420118222.9U CN203727191U (en) | 2014-03-14 | 2014-03-14 | Crash safety control system for electric coach |
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| Publication Number | Publication Date |
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| CN203727191U true CN203727191U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420118222.9U Expired - Fee Related CN203727191U (en) | 2014-03-14 | 2014-03-14 | Crash safety control system for electric coach |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908594A (en) * | 2014-03-14 | 2015-09-16 | 北京理工大学 | Electric bus collision safety control system and control method |
| CN106711519A (en) * | 2015-07-17 | 2017-05-24 | 北京理工大学 | Safety system of electric car battery unit structure, and control method thereof |
| CN109216735A (en) * | 2017-07-07 | 2019-01-15 | 奥迪股份公司 | The cutting of fuel cell |
| CN110466364A (en) * | 2018-05-08 | 2019-11-19 | 三星Sdi株式会社 | Battery pack for vehicle |
| CN110481327A (en) * | 2019-09-01 | 2019-11-22 | 深圳市雄韬锂电有限公司 | A kind of collision power down protection system |
-
2014
- 2014-03-14 CN CN201420118222.9U patent/CN203727191U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104908594A (en) * | 2014-03-14 | 2015-09-16 | 北京理工大学 | Electric bus collision safety control system and control method |
| CN104908594B (en) * | 2014-03-14 | 2019-12-24 | 北京理工大学 | Electric motor coach collision safety control system and control method |
| CN106711519A (en) * | 2015-07-17 | 2017-05-24 | 北京理工大学 | Safety system of electric car battery unit structure, and control method thereof |
| CN109216735A (en) * | 2017-07-07 | 2019-01-15 | 奥迪股份公司 | The cutting of fuel cell |
| CN110466364A (en) * | 2018-05-08 | 2019-11-19 | 三星Sdi株式会社 | Battery pack for vehicle |
| CN110481327A (en) * | 2019-09-01 | 2019-11-22 | 深圳市雄韬锂电有限公司 | A kind of collision power down protection system |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140723 Termination date: 20210314 |