CN104859631A - Method, device and system for inspecting vehicle auxiliary brake - Google Patents
Method, device and system for inspecting vehicle auxiliary brake Download PDFInfo
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- CN104859631A CN104859631A CN201510245270.3A CN201510245270A CN104859631A CN 104859631 A CN104859631 A CN 104859631A CN 201510245270 A CN201510245270 A CN 201510245270A CN 104859631 A CN104859631 A CN 104859631A
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- vehicle
- additional brake
- mobile device
- alerting signal
- supplemental characteristic
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/18—Safety devices; Monitoring
- B60T17/22—Devices for monitoring or checking brake systems; Signal devices
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
- Regulating Braking Force (AREA)
Abstract
The embodiment of the invention relates to the technical field of vehicles, in particular to a method, device and system for inspecting a vehicle auxiliary brake. The method comprises the steps of obtaining parameter data used for identifying the current location of an auxiliary brake handle after detecting that a vehicle is shut down, judging whether the auxiliary brake is in the braking state according to the parameter data, and sending an alarming signal to a mobile device if the auxiliary brake is not in the braking state, so that the mobile device performs alarming processing on the basis of the alarming signal. By applying the method, device and system for inspecting the vehicle auxiliary brake, the mobile device of a user can perform alarming and timely effectively remind the user of getting back to the vehicle and pull up the auxiliary brake when the user gets off and forgets to pull up the auxiliary brake, so that safety accidents caused by sliding of the vehicle as the auxiliary brake is not in the braking state and the like are avoided.
Description
Technical field
The embodiment of the present invention relates to technical field of vehicle, particularly relates to a kind of method, the Apparatus and system that detect vehicle auxiliry brake.
Background technology
Along with improving constantly of national life level, the life of people is more and more rich, and the family of most people also come into by automobile, but thing followed vehicle safety problem becomes one of problem that all users are concerned about most.Now a lot of user owing to being busy with one's work, the many reasons such as health is tired out or careless, there is the situation forgetting pull-up vehicle auxiliry brake (parking brake) after getting off possibly, device not relevant again is effectively pointed out user, thus brings potential safety hazard.Especially on the road of slope or when petrol service station, if after the non-pull-up parking brake of user just leaves vehicle, easily due to self gravitation or be subject to other external force and slide, concerning the people of passenger and vehicle-surroundings on vehicle, car, all there is very large potential safety hazard in vehicle.
Summary of the invention
The object of the invention is to propose a kind of method, the Apparatus and system that detect vehicle auxiliry brake, with solve existing vehicle after user gets off, forget pull-up additional brake time, the problem of user can not be pointed out timely and effectively.
First aspect, embodiments provides a kind of detection vehicle auxiliry brake method, comprising:
Detect vehicle whether to stop working;
After detecting that vehicle is flame-out, obtain the supplemental characteristic for identifying additional brake handle current location;
According to described supplemental characteristic, judge whether described additional brake is in braking mode;
If be not in braking mode, then send alerting signal to mobile device, carry out alert process to make described mobile device based on described alerting signal.
Second aspect, embodiments provides a kind of device detecting vehicle auxiliry brake, comprising:
Whether misfire detection block, stop working for detecting vehicle;
Supplemental characteristic acquisition module, for after detecting that vehicle is flame-out, obtains the supplemental characteristic for identifying additional brake handle current location;
Judge module, for according to described supplemental characteristic, judges whether described additional brake is in braking mode;
Alerting signal sending module, for when judging that described additional brake is not in braking mode, sending alerting signal to mobile device, carrying out alert process to make described mobile device based on described alerting signal.
The third aspect, embodiments provides a kind of system detecting vehicle auxiliry brake, comprises device and the mobile device of the detection vehicle auxiliry brake described in the embodiment of the present invention;
The alerting signal that described mobile device sends for receiving described device, and carry out alert process according to described alerting signal.
A kind of method, the Apparatus and system detecting vehicle auxiliry brake provided in the embodiment of the present invention, when can forget pull-up additional brake after user gets off, points out user timely and effectively.The method of the detection vehicle auxiliry brake provided in the embodiment of the present invention, after detecting that vehicle is flame-out, obtain the supplemental characteristic for identifying additional brake handle current location, judge whether additional brake is in braking mode according to supplemental characteristic, if additional brake is not in braking mode, then send alerting signal to mobile device, carry out alert process to make mobile device based on alerting signal.By adopting technique scheme, when forgetting pull-up additional brake after user gets off, the mobile device of user can be reported to the police, pull-up additional brake in car can be returned by reminding user timely and effectively, avoid the safety misadventure causing because additional brake is not in braking mode vehicle generation slip etc. to cause.
Accompanying drawing explanation
A kind of schematic flow sheet detecting the method for vehicle auxiliry brake that Fig. 1 provides for the embodiment of the present invention one;
A kind of schematic flow sheet detecting the method for vehicle auxiliry brake that Fig. 2 provides for the embodiment of the present invention two;
A kind of schematic flow sheet detecting the method for vehicle auxiliry brake that Fig. 3 provides for the embodiment of the present invention three;
A kind of structured flowchart detecting the device of vehicle auxiliry brake that Fig. 4 provides for the embodiment of the present invention four;
A kind of structured flowchart detecting the system of vehicle auxiliry brake that Fig. 5 provides for the embodiment of the present invention five.
Detailed description of the invention
Technical scheme of the present invention is further illustrated by detailed description of the invention below in conjunction with accompanying drawing.Be understandable that, specific embodiment described herein is only for explaining the present invention, but not limitation of the invention.It also should be noted that, for convenience of description, illustrate only part related to the present invention in accompanying drawing but not entire infrastructure.
Embodiment one
A kind of schematic flow sheet detecting the method for vehicle auxiliry brake that Fig. 1 provides for the embodiment of the present invention one, the method can be performed by the device detecting vehicle auxiliry brake, wherein this device can by software and/or hardware implementing, the part that can be used as vehicle is built in vehicle, also can install according to vehicle own characteristic.As shown in Figure 1, the method comprises:
Whether step 101, detection vehicle stop working.
Exemplary, usually all can comprise central control system in existing vehicle, can after vehicle start-up, the misfire signals that the central control system whether real-time listening receives vehicle sends based on hardware connection mode; If so, then detect that vehicle stops working.
Step 102, after detecting that vehicle is flame-out, obtain the supplemental characteristic for identifying additional brake handle current location.
Exemplary, general additional brake inside is all provided with spring, and when pull-up additional brake handle is braked, spring can be elongated; When additional brake handle is stopped braking by putting down, the former length of spring-return, so by detection springs length or spring stress size, detect the current location of additional brake handle, so described supplemental characteristic is the size of spring current length value or the current suffered power of spring.Preferably, also can at additional brake handle lower surface mounting distance sensor, measure the distance value of car body immediately below additional brake handle lower surface to additional brake handle, so described supplemental characteristic is this distance value.
Step 103, judge whether additional brake is in braking mode according to supplemental characteristic, if so, then perform step 104; Otherwise, terminate.
Exemplary, when supplemental characteristic is spring current length value, length L2 when length L1 when additional brake is in braking mode and additional brake are in non-brake state can be measured in advance, described supplemental characteristic and L1 and L2 are compared.When supplemental characteristic is more than or equal to L1, then judge that additional brake is in braking mode; When supplemental characteristic is more than or equal to L2 and is less than L1, then judge that additional brake is in non-brake state.Certainly, when judging, there is deviation in order to avoid obtained supplemental characteristic and causing erroneous judgement, adjustment criterion that can be suitable, as when supplemental characteristic is more than or equal to L3, then judges that additional brake is in braking mode, wherein L3 is the value slightly less than L1, determines by repetition test.
Exemplary, when supplemental characteristic is the size of the current suffered power of spring, the size F2 of power suffered when the size F1 of power suffered when additional brake is in braking mode and additional brake are in non-brake state can be measured in advance, described supplemental characteristic and F1 and F2 are compared.When supplemental characteristic is more than or equal to F1, then judge that additional brake is in braking mode; When supplemental characteristic is more than or equal to F2 and is less than F1, then judge that additional brake is in non-brake state.Same, when judging, there is deviation in order to avoid obtained supplemental characteristic and cause erroneous judgement, also adjustment criterion that can be suitable, as when supplemental characteristic is more than or equal to F3, then judge that additional brake is in braking mode, wherein F3 is the value slightly less than F1, determines by repetition test.
Preferably, supplemental characteristic for be arranged on additional brake handle lower surface rang sensor measured by additional brake handle lower surface to the distance value of car body immediately below additional brake handle.Distance value A2 when distance value A1 when additional brake is in braking mode and additional brake are in non-brake state can be measured in advance, described supplemental characteristic and A1 and A2 are compared.When supplemental characteristic is more than or equal to A1, then judge that additional brake is in braking mode; When supplemental characteristic is more than or equal to A2 and is less than A1, then judge that additional brake is in non-brake state.Same, when judging, there is deviation in order to avoid obtained supplemental characteristic and cause erroneous judgement, also adjustment criterion that can be suitable, as when supplemental characteristic is more than or equal to A3, then judge that additional brake is in braking mode, wherein A3 is the value slightly less than A1, determines by repetition test.
Step 104, transmission alerting signal, to mobile device, carry out alert process to make mobile device based on alerting signal.
Exemplary, bluetooth can be set up with mobile device or the radio communication such as infrared is connected, send alerting signal in the mode of transmission over radio.Described mobile device specifically can be the equipment such as mobile phone, panel computer.The alerting signal etc. that the alerting signal that concrete, alerting signal can be audible ringing signal, indicator lamp alerting signal, vibrations alerting signal, vibrations are combined with sound, sound are combined with indicator lamp.After mobile device receives alerting signal, carry out corresponding alert process based on alerting signal, as play the tinkle of bells, controlling mobile device vibrations, controlling indicator lamp flicker etc.
The method of the detection vehicle auxiliry brake that the embodiment of the present invention one provides, after detecting that vehicle is flame-out, obtain the supplemental characteristic for identifying additional brake handle current location, judge whether additional brake is in braking mode according to supplemental characteristic, if additional brake is not in braking mode, then send alerting signal to mobile device, carry out alert process to make mobile device based on alerting signal.By adopting technique scheme, when forgetting pull-up additional brake after user gets off, the mobile device of user can be reported to the police, pull-up additional brake in car can be returned by reminding user timely and effectively, avoid the safety misadventure causing because additional brake is not in braking mode vehicle generation slip etc. to cause.
Embodiment two
The schematic flow sheet of the method for the detection vehicle auxiliry brake that Fig. 2 provides for the embodiment of the present invention two, the present embodiment is optimized based on above-described embodiment, in the present embodiment, step is detected that vehicle is whether flame-out to be optimized for: the misfire signals that the central control system whether real-time listening receives vehicle sends based on hardware connection mode; If so, then detect that vehicle stops working.
Accordingly, the method for the present embodiment comprises the steps:
The misfire signals that the central control system of step 201, real-time listening vehicle sends based on hardware connection mode.
Step 202, judge whether to receive misfire signals, if so, then detect that vehicle stops working, perform step 203; Otherwise, return and perform step 201.
Concrete, after being connected based on hardware mode with the central control system of vehicle, when a vehicle is started, the high level that central control system exports can be detected; When vehicle stops working, the low level that central control system exports can be detected.So low level is herein described misfire signals, when low level being detected, can determine to detect that vehicle stops working.
Further, in order to reserve the time of certain active pull-up additional brake to user, can perform step 203 again after predetermined time period (as 5s) after receiving misfire signals, concrete predetermined time period can have system default arrange or arranged voluntarily by user.When arranging predetermined time period, should be taken into account the time reserved to user more abundant while, also to consider that user is not away from vehicle, namely need with the efficient communication of mobile device within the scope of report to the police.
Step 203, obtain supplemental characteristic for identifying additional brake handle current location.
Step 204, judge whether additional brake is in braking mode according to supplemental characteristic, if so, then perform step 205; Otherwise, terminate.
Step 205, transmission alerting signal, to mobile device, carry out alert process to make mobile device based on alerting signal.
The embodiment of the present invention two further illustrates and detects the vehicle mode of whether stopping working on the basis of embodiment one is the misfire signals that central control system that whether real-time listening receives vehicle sends based on hardware connection mode, if so, then detects that vehicle is flame-out.Carry out in like fashion judging whether vehicle stops working, and accuracy rate is high, the smooth execution of the method detecting vehicle auxiliry brake in the present embodiment can be ensured, when guaranteeing to forget pull-up additional brake after user gets off, can reminding user timely and effectively.
Embodiment three
A kind of schematic flow sheet detecting the method for vehicle auxiliry brake that Fig. 3 provides for the embodiment of the present invention three, the present embodiment is optimized based on above-described embodiment, in the present embodiment, step " is obtained the supplemental characteristic for identifying additional brake handle current location ", be optimized for: the rang sensor controlling to be arranged on additional brake handle lower surface, measure the distance value of car body immediately below additional brake handle lower surface to additional brake handle; Accordingly, step " according to supplemental characteristic, is judged whether additional brake is in braking mode ", is optimized for: whether be less than preset value according to distance value, judges whether additional brake is in braking mode.
Accordingly, the method for the present embodiment comprises the steps:
The misfire signals that the central control system of step 301, real-time listening vehicle sends based on hardware connection mode.
Step 302, judge whether to receive misfire signals, if so, then detect that vehicle stops working, perform step 303; Otherwise, return and perform step 301.
Step 303, control are arranged on the rang sensor of additional brake handle lower surface, measure the distance value of car body immediately below additional brake handle lower surface to additional brake handle.
Because different Vehicle interior designs may be different, so specifically what parts can be distinct immediately below additional brake handle, but the distance between car body immediately below additional brake handle lower surface to additional brake handle (what namely vehicle was intrinsic can the parts surface of light pulse launched of reflective distance sensor) is confirmable, can in this, as judging whether additional brake is in the foundation of braking mode.
Step 304, whether be less than preset value according to distance value, judge whether additional brake is in braking mode, if so, then perform step 305; Otherwise, terminate.
Distance value A2 when distance value A1 when additional brake is in braking mode and additional brake are in non-brake state can be measured in advance, described supplemental characteristic and A1 and A2 are compared.When supplemental characteristic is more than or equal to A1, then judge that additional brake is in braking mode; When supplemental characteristic is more than or equal to A2 and is less than A1, then judge that additional brake is in non-brake state.Same, when judging, there is deviation in order to avoid obtained supplemental characteristic and cause erroneous judgement, also adjustment criterion that can be suitable, as when supplemental characteristic is more than or equal to A3, then judge that additional brake is in braking mode, wherein A3 is the value slightly less than A1, determines by repetition test.
Step 305, transmission alerting signal, to mobile device, carry out alert process to make mobile device based on alerting signal.
The embodiment of the present invention three further illustrates and utilizes rang sensor to measure the distance value of car body immediately below additional brake handle lower surface to additional brake handle on the basis of above-described embodiment, whether be less than preset value according to distance value again, judge whether additional brake is in braking mode.Rang sensor is installed in the additional brake handle lower surface of vehicle, and reliability is high, and for convenience detach and maintenance, further facilitate user and use.
Embodiment four
A kind of structured flowchart detecting the device of vehicle auxiliry brake that Fig. 4 provides for the embodiment of the present invention four.This device can by software and/or hardware implementing, and the part that can be used as vehicle is built in vehicle, also can install according to vehicle own characteristic.As shown in Figure 4, this device comprises:
Whether misfire detection block 401, stop working for detecting vehicle; Supplemental characteristic acquisition module 402, for after detecting that vehicle is flame-out, obtains the supplemental characteristic for identifying additional brake handle current location; Judge module 403, for according to supplemental characteristic, judges whether additional brake is in braking mode; Alerting signal sending module 404, for when judging that additional brake is not in braking mode, sending alerting signal to mobile device, carrying out alert process to make mobile device based on alerting signal.
The device of the detection vehicle auxiliry brake that the embodiment of the present invention provides, after misfire detection block 401 detects that vehicle is flame-out, the supplemental characteristic for identifying additional brake handle current location is obtained by supplemental characteristic acquisition module 402, and judge whether additional brake is in braking mode by judge module 403 according to supplemental characteristic, if the braking mode of not being in, then send alerting signal to mobile device by alerting signal sending module 404, carry out alert process to make mobile device based on alerting signal.When forgetting pull-up additional brake after user gets off, the mobile device of user can be reported to the police, pull-up additional brake in car can be returned by reminding user timely and effectively, avoid the safety misadventure causing because additional brake is not in braking mode vehicle generation slip etc. to cause.
On the basis of above-described embodiment, misfire detection block can be specifically for: the misfire signals that the central control system whether real-time listening receives vehicle sends based on hardware connection mode; If so, then detect that vehicle stops working.
On the basis of above-described embodiment, supplemental characteristic acquisition module 402 can comprise rang sensor control unit.Rang sensor control unit is used for, after detecting that vehicle is flame-out, controlling the rang sensor being arranged on additional brake handle lower surface, measures the distance value of car body immediately below additional brake handle lower surface to additional brake handle; Judge module 403 can be specifically for: whether be less than preset value according to distance value, judge whether additional brake is in braking mode.
On the basis of above-described embodiment, alerting signal sending module 404 can be specifically for: based on being connected with the bluetooth of mobile device of setting up in advance, sends alerting signal to mobile device.
Embodiment five
A kind of structured flowchart detecting the system of vehicle auxiliry brake that Fig. 5 provides for the embodiment of the present invention five.As shown in Figure 5, this system comprises vehicle end equipment 501 and ustomer premises access equipment (mobile device 502).Wherein, vehicle end equipment is equipment on vehicle, that include the device of the detection vehicle auxiliry brake described in the embodiment of the present invention four of purchasing; Ustomer premises access equipment is the mobile device described in any embodiment of the present invention.
In the present embodiment, the device detecting vehicle auxiliry brake realizes the computer program of the method for the detection vehicle auxiliry brake that any embodiment of the present invention provides for one.Vehicle end equipment can comprise treater, memory device, wireless communication module.Described computer program is stored in memory device, is executed by processor.Concrete, treater, for: detect vehicle and whether stop working; After detecting that vehicle is flame-out, obtain the supplemental characteristic for identifying additional brake handle current location; According to described supplemental characteristic, judge whether described additional brake is in braking mode; If be not in braking mode, then send alerting signal to mobile device by wireless communication module, carry out alert process to make described mobile device based on described alerting signal.
Exemplary, vehicle end equipment, also comprises: rang sensor, for measuring the distance value of car body immediately below additional brake handle lower surface to additional brake handle.
The alerting signal that mobile device sends for receiving vehicle end equipment 501, and carry out alert process according to described alerting signal.Vehicle end equipment 501 with can set up Bluetooth communication between mobile device 502 and be connected, independently power module can be comprised in vehicle end equipment 501.Preferably, before vehicle is flame-out, be that vehicle end equipment 501 is powered by the original power-supply system of vehicle, once vehicle stops working, then by this independently power module be that vehicle end equipment 501 is powered.After vehicle is flame-out, other devices on vehicle, comprising central control system all can power-off, and now vehicle end equipment 501 is owing to using independent current source module for power supply, can normally work.
Wherein, mobile device is preferably smart mobile phone, carries smart mobile phone, seldom can fall onboard because user understands the moment usually, even if so when user close entrance door prepare to exit vehicle time, also can obtain the warning that smart mobile phone sends.
The system of the detection vehicle auxiliry brake that the embodiment of the present invention provides, when vehicle stops working, whether braking mode can be in by vehicle end Equipment Inspection additional brake, if the braking mode of not being in, then send alerting signal to mobile device, alert process is carried out, timely reminding user, therefore, it is possible to effectively avoid the safety misadventure causing vehicle generation slip etc. to cause because additional brake is not in braking mode by mobile device.
Note, above are only preferred embodiment of the present invention and institute's application technology principle.Skilled person in the art will appreciate that and the invention is not restricted to specific embodiment described here, various obvious change can be carried out for a person skilled in the art, readjust and substitute and can not protection scope of the present invention be departed from.Therefore, although be described in further detail invention has been by above embodiment, the present invention is not limited only to above embodiment, when not departing from the present invention's design, can also comprise other Equivalent embodiments more, and scope of the present invention is determined by appended right.
Claims (10)
1. detect a method for vehicle auxiliry brake, it is characterized in that, comprising:
Detect vehicle whether to stop working;
After detecting that vehicle is flame-out, obtain the supplemental characteristic for identifying additional brake handle current location;
According to described supplemental characteristic, judge whether described additional brake is in braking mode;
If be not in braking mode, then send alerting signal to mobile device, carry out alert process to make described mobile device based on described alerting signal.
2. whether method according to claim 1, is characterized in that, detect vehicle and stop working, specifically comprise:
The misfire signals that the central control system whether real-time listening receives vehicle sends based on hardware connection mode;
If so, then detect that vehicle stops working.
3. method according to claim 1, is characterized in that, after detecting that vehicle is flame-out, obtaining the supplemental characteristic for identifying additional brake handle current location, specifically comprising:
After detecting that vehicle is flame-out, control the rang sensor being arranged on additional brake handle lower surface, measure the distance value of car body immediately below described additional brake handle lower surface to described additional brake handle;
According to described supplemental characteristic, judge whether described additional brake is in braking mode, is specially:
Whether be less than preset value according to described distance value, judge whether described additional brake is in braking mode.
4. method according to claim 1, is characterized in that, sends alerting signal to mobile device, comprising:
Based on being connected with the bluetooth of mobile device of setting up in advance, send alerting signal to mobile device.
5. the method according to any one of claim 1-4, is characterized in that, described alerting signal is sound and/or indicator lamp alerting signal.
6. detect a device for vehicle auxiliry brake, it is characterized in that, comprising:
Whether misfire detection block, stop working for detecting vehicle;
Supplemental characteristic acquisition module, for after detecting that vehicle is flame-out, obtains the supplemental characteristic for identifying additional brake handle current location;
Judge module, for according to described supplemental characteristic, judges whether described additional brake is in braking mode;
Alerting signal sending module, for when judging that described additional brake is not in braking mode, sending alerting signal to mobile device, carrying out alert process to make described mobile device based on described alerting signal.
7. device according to claim 6, is characterized in that, described misfire detection block specifically for:
The misfire signals that the central control system whether real-time listening receives vehicle sends based on hardware connection mode; If so, then detect that vehicle stops working.
8. device according to claim 6, is characterized in that,
Described supplemental characteristic acquisition module comprises:
Rang sensor control unit, for after detecting that vehicle is flame-out, controls the rang sensor being arranged on additional brake handle lower surface, measures the distance value of car body immediately below described additional brake handle lower surface to described additional brake handle;
Described judge module specifically for: whether be less than preset value according to described distance value, judge whether described additional brake is in braking mode.
9. device according to claim 6, is characterized in that, described alerting signal sending module specifically for:
Based on being connected with the bluetooth of mobile device of setting up in advance, send alerting signal to mobile device.
10. detect a system for vehicle auxiliry brake, it is characterized in that, comprising: vehicle end equipment and ustomer premises access equipment;
Wherein, described vehicle end equipment is equipment on vehicle, that include the device of the detection vehicle auxiliry brake according to any one of claim 6-9 of purchasing; Described ustomer premises access equipment is the mobile device such as according to any one of claim 6-9;
The alerting signal that described mobile device sends for receiving described device, and carry out alert process according to described alerting signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245270.3A CN104859631B (en) | 2015-05-14 | 2015-05-14 | A kind of method for detecting vehicle auxiliry brake, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510245270.3A CN104859631B (en) | 2015-05-14 | 2015-05-14 | A kind of method for detecting vehicle auxiliry brake, apparatus and system |
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| Publication Number | Publication Date |
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| CN104859631A true CN104859631A (en) | 2015-08-26 |
| CN104859631B CN104859631B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510245270.3A Expired - Fee Related CN104859631B (en) | 2015-05-14 | 2015-05-14 | A kind of method for detecting vehicle auxiliry brake, apparatus and system |
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Cited By (1)
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| Publication number | Publication date |
|---|---|
| CN104859631B (en) | 2017-08-25 |
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