CN105203331A - Vehicle acceleration time test method and device - Google Patents
Vehicle acceleration time test method and device Download PDFInfo
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- CN105203331A CN105203331A CN201510530583.3A CN201510530583A CN105203331A CN 105203331 A CN105203331 A CN 105203331A CN 201510530583 A CN201510530583 A CN 201510530583A CN 105203331 A CN105203331 A CN 105203331A
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Abstract
The invention discloses a vehicle acceleration time test method and device. Change of vehicle speed is detected, starting time of change of vehicle speed from zero and end time of change of vehicle speed to the set speed threshold are recorded, and time between starting time and end time acts as acceleration time of the vehicle accelerating to the set speed threshold so that acceleration time of the vehicle accelerating from zero to the set speed threshold can be simply and accurately acquired, and thus power performance of the vehicle can be understood.
Description
Technical field
The present invention relates to vehicle diagnostics technical field, particularly relate to method of testing and the device of a kind of vehicle acceleration time.
Background technology
Hundred kilometers of acceleration refer to car speed from the acceleration time needed for 0 to 100km/h, are embody the most intuitively automobile power.General 1.6L compact car hundred kilometers accelerated achievement between 11 to 13 seconds, and the intermediate of 2.0T is between 7 to 8 seconds, and the acceleration time of Super Car is mostly less than 3.8 seconds.The vehicle of equipping turbosupercharged engine in same displacement all can have obvious advantage in hundred kilometers of projects accelerated, because its power exported is more powerful, and the output interval of peak torque is very broad, vehicle can be allowed under the very slow-speed of revolution just to have maximized acceleration capacity.
Producer usually all can mark hundred kilometers of acceleration time of official on the pamphlet of vehicle, but our result of drawing in reality test all can be variant with official achievement.Because different environment temperatures, pavement behavior and vehicle loss the situation even number of fuel tank Fuel Remained all can bring impact to test result, so there are not two identical accelerated test achievements.And hundred kilometers of different manufacturers mark " gold contents " accelerating achievement are also different, therefore reference value has certain difference.
At present general professional photoelectricity vehicle speedometer, gps satellite vehicle speedometer or the professional measurement computing machine of adopting records relevant parameter, the height of its cost, to be difficult to accept by domestic consumer.
Summary of the invention
The embodiment of the present invention provides method of testing and the device of a kind of vehicle acceleration time, accelerates to the acceleration time of setting speed threshold value, thus understand the power performance of vehicle with the simple vehicle of acquisition exactly from zero.
On the one hand, provide the method for testing of a kind of vehicle acceleration time, described method comprises:
Detect the change of car speed;
When detect described car speed start from scratch change time, record described car speed start change initial time;
When described changes in vehicle speed being detected to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value;
Obtain described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
Preferably, the change of described detection car speed, comprising:
Vehicle bus is articulated in by OBD interface;
Communicated with vehicle ECU by described vehicle bus, obtain the change of described car speed.
Preferably, described method also comprises:
If do not detect in described setting-up time, described changes in vehicle speed is to described setting speed threshold value, again records initial time and end time that described car speed starts change.
Preferably, described method also comprises:
Send described acceleration time of obtaining to terminal, to export the described acceleration time in described terminal.
Preferably, described setting threshold value is 100km/h.
On the other hand, provide the proving installation of a kind of vehicle acceleration time, described device comprises:
Detecting unit, for detecting the change of car speed;
Record cell, for detect when described detecting unit described car speed start from scratch change time, record described car speed start change initial time;
When described record cell also for detecting described changes in vehicle speed to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value;
First acquiring unit, for obtaining described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
Preferably, described detecting unit comprises:
Mounting unit, for being articulated in vehicle bus by OBD interface;
Second acquisition unit, for being communicated with vehicle ECU by described vehicle bus, obtains the change of described car speed.
Preferably, described record cell also for:
If do not detect in described setting-up time, described changes in vehicle speed is to described setting speed threshold value, again records initial time and end time that described car speed starts change.
Preferably, described device also comprises:
Transmitting element, for sending the described acceleration time of acquisition to terminal, to export the described acceleration time in described terminal.
Preferably, described setting threshold value is 100km/h.
Visible, the method of testing of a kind of vehicle acceleration time provided according to the embodiment of the present invention and device, by detecting the change of car speed, registration of vehicle speed starts from scratch the initial time of change and changes in vehicle speed to end time of setting speed threshold value, using the time between this initial time to end time as vehicle acceleration to the acceleration time of setting speed threshold value, vehicle accelerates to setting speed threshold value acceleration time from zero can be obtained simply exactly, thus understand the power performance of vehicle.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The schematic flow sheet of the method for testing of a kind of vehicle acceleration time that Fig. 1 provides for the embodiment of the present invention;
The schematic flow sheet of the method for testing of the another kind of vehicle acceleration time that Fig. 2 provides for the embodiment of the present invention;
The structural representation of the proving installation of a kind of vehicle acceleration time that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the proving installation of the another kind of vehicle acceleration time that Fig. 4 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Below in conjunction with Fig. 1-Fig. 2, the method for testing of vehicle acceleration time provided by the invention is described in detail:
Refer to Fig. 1, the schematic flow sheet of the method for testing of a kind of vehicle acceleration time provided for the embodiment of the present invention, the method comprises the following steps:
Step S101, detects the change of car speed.
Accelerated test is carried out to vehicle, needs the change detecting car speed in real time.The precision detecting speed of a motor vehicle change can be set, such as, enquiring vehicle speed per second 20 times, therefore measuring accuracy can reach 0.05 second.
Step S102, when detect described car speed start from scratch change time, record described car speed start change initial time.
To be testing vehicle accelerate to acceleration time needed for setting speed threshold value from the speed of a motor vehicle for 0 to the present embodiment, first needs to detect the time point that the speed of a motor vehicle is accelerated from 0, be recorded as the initial time of this testing vehicle acceleration.
Step S103, when described changes in vehicle speed being detected to setting speed threshold value in setting-up time, records the end time of described changes in vehicle speed to described setting speed threshold value.
In setting-up time, if detect that car speed accelerates to setting speed threshold value from 0, the record speed of a motor vehicle accelerates to the end time of this setting speed threshold value, if the speed of a motor vehicle accelerates beyond this setting speed threshold value, also only the record speed of a motor vehicle accelerates to the end time of this setting speed threshold value.This setting-up time is the User Defined time.
Step S104, obtains described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
Calculate the mistiming of this end time to initial time, obtain the acceleration time of vehicle acceleration to setting speed threshold value, this acceleration time is generally less than or equals above-mentioned setting-up time.
The vehicle acceleration time is short, illustrates that vehicle has maximized acceleration capacity, and the power performance of vehicle is good.
The test of this acceleration time records relevant parameter without the need to the photoelectricity vehicle speedometer of specialty, gps satellite vehicle speedometer or professional measurement computing machine, and test is simple, accurately.
According to the method for testing of a kind of vehicle acceleration time that the embodiment of the present invention provides, by detecting the change of car speed, registration of vehicle speed starts from scratch the initial time of change and changes in vehicle speed to end time of setting speed threshold value, using the time between this initial time to end time as vehicle acceleration to the acceleration time of setting speed threshold value, vehicle accelerates to setting speed threshold value acceleration time from zero can be obtained simply exactly, thus understand the power performance of vehicle.
Refer to Fig. 2, the schematic flow sheet of the method for testing of the another kind of vehicle acceleration time provided for the embodiment of the present invention, the method comprises the following steps:
Step S201, is articulated in vehicle bus by OBD interface.
Step S202, is communicated with vehicle ECU by described vehicle bus, obtains the change of car speed.
This proving installation is (English: On-BoardDiagnostic by onboard diagnostic system, be called for short: OBD) interface is articulated in vehicle bus, (English: ControllerAreaNetwork by controller local area network, be called for short: CAN) bus protocol and Vehicle Electronic Control Unit (English: ElectronicControlUnit, be called for short: ECU) communicate, detect car speed.Storer is used for keeping in the vehicle speed data collected.Such as, enquiring vehicle speed per second 20 times, therefore measuring accuracy can reach 0.05 second.
Step S203, when detect described car speed start from scratch change time, record described car speed start change initial time.
Start when the speed of a motor vehicle changes timing from 0.
Step S204, judges whether in setting-up time, detect that described changes in vehicle speed is to setting speed threshold value, if so, proceeds to step S205; If not, go to step S208, again record initial time and end time that described car speed starts change.
Step S205, records the end time of described changes in vehicle speed to described setting speed threshold value.
If the speed of a motor vehicle is 0, then store time this moment and the speed of a motor vehicle.
If the speed of a motor vehicle collected still is 0 next time, then cover time when the previous speed of a motor vehicle is 0 and the speed of a motor vehicle.
Circulation like this until the speed of a motor vehicle collected changes, then stores new vehicle speed data and time.
When the speed of a motor vehicle collected is more than or equal to setting speed threshold value, then stop data acquisition.In the present embodiment, can arrange setting speed threshold value is 100km/h, namely carries out hundred kilometers of accelerated tests.
Start when the speed of a motor vehicle changes timing from 0, still do not reach 100km/h after 20 seconds, then regard as timeout case, this tests calcellation, treat the speed of a motor vehicle again playback 0 start again test.
Step S206, obtains described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
Calculate the mistiming of this end time to initial time, obtain the acceleration time of vehicle acceleration to setting speed threshold value, this acceleration time is generally less than or equals above-mentioned setting-up time, 20 seconds of such as above-mentioned example.
General 1.6L compact car hundred kilometers accelerated achievement between 11 to 13 seconds, and the intermediate of 2.0T is between 7 to 8 seconds, and the acceleration time of Super Car is mostly less than 3.8 seconds.
Step S207, sends described acceleration time of obtaining to terminal, to export the described acceleration time in described terminal.
After completing hundred kilometers of acceleration, test result will be shown by display screen, or send to terminal by test platform, such as mobile phone, check for user.
According to the method for testing of a kind of vehicle acceleration time that the embodiment of the present invention provides, by detecting the change of car speed, registration of vehicle speed starts from scratch the initial time of change and changes in vehicle speed to end time of setting speed threshold value, using the time between this initial time to end time as vehicle acceleration to the acceleration time of setting speed threshold value, vehicle accelerates to setting speed threshold value acceleration time from zero can be obtained simply exactly, thus understand the power performance of vehicle.
Below in conjunction with Fig. 3-Fig. 4, the proving installation of vehicle acceleration time provided by the invention is described in detail:
Refer to Fig. 3, the structural representation of the proving installation of a kind of vehicle acceleration time provided for the embodiment of the present invention, this device 1000 comprises:
Detecting unit 11, for detecting the change of car speed.
Carry out accelerated test to vehicle, detecting unit 11 needs the change detecting car speed in real time.The precision detecting speed of a motor vehicle change can be set, such as, enquiring vehicle speed per second 20 times, therefore measuring accuracy can reach 0.05 second.
Record cell 12, for when detect described car speed start from scratch change time, record described car speed start change initial time.
To be testing vehicle accelerate to acceleration time needed for setting speed threshold value from the speed of a motor vehicle for 0 to the present embodiment, and first need to detect the time point that the speed of a motor vehicle is accelerated from 0, record cell 12 is recorded as the initial time of this testing vehicle acceleration.
When described record cell 12 also for detecting described changes in vehicle speed to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value.
In setting-up time, if detect that car speed accelerates to setting speed threshold value from 0, record cell 12 records the end time that the speed of a motor vehicle accelerates to this setting speed threshold value, if the speed of a motor vehicle accelerates beyond this setting speed threshold value, also only the record speed of a motor vehicle accelerates to the end time of this setting speed threshold value.This setting-up time is the User Defined time.
First acquiring unit 13, for obtaining described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
First acquiring unit 13 calculates the mistiming of this end time to initial time, obtains the acceleration time of vehicle acceleration to setting speed threshold value, and this acceleration time is generally less than or equals above-mentioned setting-up time.
The vehicle acceleration time is short, illustrates that vehicle has maximized acceleration capacity, and the power performance of vehicle is good.
The test of this acceleration time records relevant parameter without the need to the photoelectricity vehicle speedometer of specialty, gps satellite vehicle speedometer or professional measurement computing machine, and test is simple, accurately.
According to the proving installation of a kind of vehicle acceleration time that the embodiment of the present invention provides, by detecting the change of car speed, registration of vehicle speed starts from scratch the initial time of change and changes in vehicle speed to end time of setting speed threshold value, using the time between this initial time to end time as vehicle acceleration to the acceleration time of setting speed threshold value, vehicle accelerates to setting speed threshold value acceleration time from zero can be obtained simply exactly, thus understand the power performance of vehicle.
Refer to Fig. 4, the structural representation of the proving installation of the another kind of vehicle acceleration time provided for the embodiment of the present invention, this device 2000 comprises:
Detecting unit 21, for detecting the change of car speed.
In the present embodiment, detecting unit 21 comprises: mounting unit 211 and second acquisition unit 212.
Mounting unit 211, for being articulated in vehicle bus by OBD interface.
Second acquisition unit 212, for being communicated with vehicle ECU by described vehicle bus, obtains the change of car speed.
This proving installation is articulated in vehicle bus by OBD interface, communicates with vehicle ECU by CAN agreement, detects car speed.Storer is used for keeping in the vehicle speed data collected.Such as, enquiring vehicle speed per second 20 times, therefore measuring accuracy can reach 0.05 second.
Record cell 22, for when detect described car speed start from scratch change time, record described car speed start change initial time.
Start when the speed of a motor vehicle changes timing from 0.
When described record cell 22 also for detecting described changes in vehicle speed to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value.
When described record cell 22 also for detecting described changes in vehicle speed to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value.
If the speed of a motor vehicle is 0, then store time this moment and the speed of a motor vehicle.
If the speed of a motor vehicle collected still is 0 next time, then cover time when the previous speed of a motor vehicle is 0 and the speed of a motor vehicle.
Circulation like this until the speed of a motor vehicle collected changes, then stores new vehicle speed data and time.
When the speed of a motor vehicle collected is more than or equal to setting speed threshold value, then stop data acquisition.In the present embodiment, can arrange setting speed threshold value is 100km/h, namely carries out hundred kilometers of accelerated tests.
Start when the speed of a motor vehicle changes timing from 0, still do not reach 100km/h after 20 seconds, then regard as timeout case, this tests calcellation, treat the speed of a motor vehicle again playback 0 start again test.
First acquiring unit 23, for obtaining described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
First acquiring unit 23 calculates the mistiming of this end time to initial time, obtains the acceleration time of vehicle acceleration to setting speed threshold value, and this acceleration time is generally less than or equals above-mentioned setting-up time, 20 seconds of such as above-mentioned example.
General 1.6L compact car hundred kilometers accelerated achievement between 11 to 13 seconds, and the intermediate of 2.0T is between 7 to 8 seconds, and the acceleration time of Super Car is mostly less than 3.8 seconds.
Transmitting element 24, for sending the described acceleration time of acquisition to terminal, to export the described acceleration time in described terminal.
After completing hundred kilometers of acceleration, test result will be shown by display screen, or send to terminal by test platform, such as mobile phone, check for user.
According to the proving installation of a kind of vehicle acceleration time that the embodiment of the present invention provides, by detecting the change of car speed, registration of vehicle speed starts from scratch the initial time of change and changes in vehicle speed to end time of setting speed threshold value, using the time between this initial time to end time as vehicle acceleration to the acceleration time of setting speed threshold value, vehicle accelerates to setting speed threshold value acceleration time from zero can be obtained simply exactly, thus understand the power performance of vehicle.
It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other orders or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in instructions all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can use hardware implementing, or firmware realizes, or their array mode realizes.When implemented in software, above-mentioned functions can be stored in computer-readable medium or as the one or more instruction on computer-readable medium or code and transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium being convenient to transmit computer program from a place to another place.Storage medium can be any usable medium that computing machine can access.As example but be not limited to: computer-readable medium can comprise random access memory (RandomAccessMemory, RAM), ROM (read-only memory) (Read-OnlyMemory, ROM), EEPROM (Electrically Erasable Programmable Read Only Memo) (ElectricallyErasableProgrammableRead-OnlyMemory, EEPROM), read-only optical disc (CompactDiscRead-OnlyMemory, or other optical disc storage CD-ROM), magnetic disk storage medium or other magnetic storage apparatus, or the program code that can be used in carrying or storing the expectation with instruction or data structure form also can by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.Such as, if software uses concentric cable, optical fiber cable, twisted-pair feeder, Digital Subscriber Line (DigitalSubscriberLine, DSL) or the wireless technology of such as infrared ray, radio and microwave and so on from website, server or other remote source, so the wireless technology of concentric cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave and so on be included in affiliated medium fixing in.As used in the present invention, dish (Disk) and dish (disc) comprise compression laser disc (CD), laser dish, laser disc, Digital Versatile Disc (DVD), floppy disk and Blu-ray Disc, the usual magnetic of its mid-game copy data, what dish then carried out optics with laser copies data.Combination above also should be included within the protection domain of computer-readable medium.
In a word, the foregoing is only the preferred embodiment of technical solution of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the method for testing of vehicle acceleration time, is characterized in that, described method comprises:
Detect the change of car speed;
When detect described car speed start from scratch change time, record described car speed start change initial time;
When described changes in vehicle speed being detected to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value;
Obtain described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
2. the method for claim 1, is characterized in that, the change of described detection car speed, comprising:
Vehicle bus is articulated in by onboard diagnostic system OBD interface;
Communicated with vehicle ECU by described vehicle bus, obtain the change of described car speed.
3. the method for claim 1, is characterized in that, described method also comprises:
If do not detect in described setting-up time, described changes in vehicle speed is to described setting speed threshold value, again records initial time and end time that described car speed starts change.
4. the method for claim 1, is characterized in that, described method also comprises:
Send described acceleration time of obtaining to terminal, to export the described acceleration time in described terminal.
5. the method as described in claim 1-4 any one, is characterized in that, described setting threshold value is 100km/h.
6. the proving installation of vehicle acceleration time, is characterized in that, described device comprises:
Detecting unit, for detecting the change of car speed;
Record cell, for detect when described detecting unit described car speed start from scratch change time, record described car speed start change initial time;
When described record cell also for detecting described changes in vehicle speed to setting speed threshold value in setting-up time, record the end time of described changes in vehicle speed to described setting speed threshold value;
First acquiring unit, for obtaining described initial time to the time between the described end time, as vehicle acceleration to acceleration time of described setting speed threshold value.
7. device as claimed in claim 6, it is characterized in that, described detecting unit comprises:
Mounting unit, for being articulated in vehicle bus by onboard diagnostic system OBD interface;
Second acquisition unit, for being communicated with vehicle ECU by described vehicle bus, obtains the change of described car speed.
8. device as claimed in claim 6, is characterized in that, described record cell also for:
If do not detect in described setting-up time, described changes in vehicle speed is to described setting speed threshold value, again records initial time and end time that described car speed starts change.
9. device as claimed in claim 6, it is characterized in that, described device also comprises:
Transmitting element, for sending the described acceleration time of acquisition to terminal, to export the described acceleration time in described terminal.
10. the device as described in claim 6-9 any one, is characterized in that, described setting threshold value is 100km/h.
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| CN201510530583.3A CN105203331A (en) | 2015-08-26 | 2015-08-26 | Vehicle acceleration time test method and device |
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| CN201510530583.3A CN105203331A (en) | 2015-08-26 | 2015-08-26 | Vehicle acceleration time test method and device |
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| CN105203331A true CN105203331A (en) | 2015-12-30 |
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| CN201510530583.3A Pending CN105203331A (en) | 2015-08-26 | 2015-08-26 | Vehicle acceleration time test method and device |
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| CN108297871A (en) * | 2018-01-30 | 2018-07-20 | 潍柴动力股份有限公司 | A kind of the determination method, apparatus and electronic equipment of dynamic property |
| CN109000932A (en) * | 2018-06-15 | 2018-12-14 | 奇瑞汽车股份有限公司 | Wearable device and dynamic property assessment method for automobile dynamic performance assessment |
| CN113724224A (en) * | 2021-08-31 | 2021-11-30 | 深圳市星卡软件技术开发有限公司 | Automobile power detection method and device and computer equipment |
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Application publication date: 20151230 |