CN203616593U - CAN field bus-based brake signal acquisition device, acquisition system and vehicle control system - Google Patents
CAN field bus-based brake signal acquisition device, acquisition system and vehicle control system Download PDFInfo
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- CN203616593U CN203616593U CN201320749984.4U CN201320749984U CN203616593U CN 203616593 U CN203616593 U CN 203616593U CN 201320749984 U CN201320749984 U CN 201320749984U CN 203616593 U CN203616593 U CN 203616593U
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Abstract
The utility model provides a CAN field bus-based brake signal acquisition device. The device comprises an acquisition end, a detection module connected with the acquisition end and an output end connected with the detection module, and the output end is connected with a CAN bus through a CAN node; the acquisition end is also connected with a brake signal line, and is used for receiving a signal sent by the brake signal line; one end of the brake signal line is connected with a brake command executing mechanism, the other end is connected with a brake signal lamp; the detection module is used for judging, analyzing and processing a signal received from the acquisition end, and when the signal is known as a brake signal by judging, analyzing and processing, the output end sends out the brake signal through the CAN bus. The utility model also provides a CAN field bus-based brake signal acquisition system and vehicle control system. The abovementioned brake signal acquisition device, the acquisition system and the vehicle control system can accurately and timely acquire the brake signal.
Description
Technical field
The utility model relates to a kind of brake signal harvester, acquisition system and vehicle control system based on CAN fieldbus.
Background technology
In the market some effective signals of vehicle are not had to a kind of fixing drainage pattern, have or even directly judge the whether bright foundation that is used as judgement of brake signal lamp by artificial.This judgment model is very original and fall behind, and has larger erroneous judgement, thus in real process also likely because the damage of lamp causes the possibility that cannot judge.Except this judgment mode, also there is on the market other detection judgment device, but according to the analyzing with feedback information of market, these detecting device all cannot really be accomplished absolutely accurately and effectively.
Existing vehicle control system cannot be complete the relevant information of vehicle brake is carried out to record, make user can not consult at any time the record of brake, make the function of vehicle control system comparatively single, user satisfaction and Experience Degree lower, and, if when vehicle generation traffic hazard, cannot check whether be because the traffic hazard that vehicle brake causes can not provide relevant evidence.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of brake signal harvester, acquisition system and vehicle control system based on CAN fieldbus and can accurately and timely collects the brake signal of vehicle, further can make to adopt system and the vehicle greater functionality of this brake signal harvester, improve user's satisfaction and Experience Degree.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of brake signal harvester based on CAN fieldbus is provided, it is for gathering brake signal, comprise: collection terminal, the detection module being connected with described collection terminal and the output terminal being connected with described detection module, described output terminal is connected with CAN bus by CAN node; Described collection terminal is also connected with brake signal line, the signal sending for receiving described brake signal line; Wherein, one end of described brake signal line connects braking commands topworks, and the other end connects brake signal lamp; Described detection module is for carrying out discriminatory analysis processing by the signal from collection terminal receiving, and in the time that discriminatory analysis processing obtains described signal and is brake signal, described output terminal sends this brake signal by CAN bus.
Wherein, described collection terminal is two and detects cable, it is connected with ground wire and the signal wire of described brake signal line respectively, when the signal collecting when described collection terminal is high level signal, described detection module judges and has received brake signal, when the signal collecting when described collection terminal is low level signal, described detection module judges that what receive is brake signal or do not receive brake signal not.
Wherein, the signal receiving is carried out discriminatory analysis processing by described detection module, when the signal that obtains receiving when analyzing and processing is high level signal, thinks that this signal receiving is brake signal, and brake signal is sent by CAN bus; When the signal that obtains receiving when analyzing and processing is low level signal, think this signal receiving for brake signal not or think not receive brake signal.
Wherein, described detection module comprises resistance pressure-dividing network and A/D Acquisition Processor, when the signal receiving when detection module is high level signal, described resistance pressure-dividing network falls this high level signal the mode of stream collection signal is carried out to analyzing and processing by step-down, and by A/D Acquisition Processor to through resistance pressure-dividing network carry out step-down fall stream signal after treatment carry out analog to digital conversion, to be converted to brake signal, and by output terminal and CAN bus, the brake signal after conversion is sent.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of vehicle brake signal acquiring system based on CAN fieldbus is provided, comprise: phonetic incepting module, for receiving the braking commands that user sends by voice, and this braking commands is sent to central controller, described central controller is connected with described phonetic incepting module, for the braking commands receiving is carried out to identifying processing, also for sending brake signal to brake signal lamp and brake signal harvester according to braking commands, described brake signal lamp is connected with described central controller by brake signal line, for receiving brake signal that described central controller sends to show accordingly, described brake signal harvester comprises collection terminal, the detection module being connected with described collection terminal and the output terminal being connected with described detection module, described output terminal is connected with described CAN bus by CAN node, described collection terminal is connected described central controller with described brake signal line parallel, for receiving brake signal by brake signal line, described detection module is for carrying out discriminatory analysis processing by the signal from collection terminal receiving, in the time that discriminatory analysis processing obtains described signal and is brake signal, described output terminal sends this brake signal by CAN bus.
For solving the problems of the technologies described above, another technical scheme that the utility model adopts is: a kind of vehicle control system is provided, comprises: braking commands topworks, the central controller being connected with described braking commands topworks, the brake signal lamp being connected with described central controller, the bicycle recording apparatus being connected with the brake signal harvester of described brake signal lamp parallel connection, with described brake signal harvester; Described braking commands topworks for the braking commands that receives user so that this braking commands is sent to described central controller; Described central controller for send according to the braking commands that receives brake signal to brake signal lamp to drive described brake signal lamp to show, also for sending brake signal to brake signal harvester according to braking commands; Described brake signal harvester receives the brake signal of described central controller transmission and processes, and brake signal after treatment is sent to described bicycle recording apparatus, described brake signal harvester is the brake signal harvester described in any one claim in the claims 1 to 5; Described bicycle recording apparatus comprises timer, and described bicycle recording apparatus receives the time of this brake signal for recording this brake signal and record.
Wherein, described vehicle control system also comprises the GPS locating device being connected with described bicycle recording apparatus, and described GPS locating device is for being sent in real time described bicycle recording apparatus by the traveling-position of vehicle; Described bicycle recording apparatus also receives the traveling-position that described GPS locating device sends in real time in recording this brake signal and receiving time of this brake signal, the positional information when clearly recording the temporal information that brake signal occurs and to occur.
Wherein, described vehicle control system also comprises: the load measuring device being connected with described central controller and load-carrying suggestion device; Described load measuring device is used for measuring the real-time dead weight capacity of described vehicle, and this real-time dead weight capacity is sent to described central controller; Described central controller, also for receiving after described real-time dead weight capacity, judges whether this real-time dead weight capacity approaches or equal or exceed the maximum capacity amount of vehicle; After the judgement of described central controller obtains maximum capacity amount that this real-time dead weight capacity approached or equaled or exceeded vehicle and in the time receiving braking commands, control described load-carrying suggestion device and point out.
Wherein, described load-carrying suggestion device comprises the sound prompt device and/or the display reminding device that are connected with described central controller.
Wherein, described bicycle recording apparatus is also connected with described load measuring device, for the real-time dead weight capacity measuring is sent to described bicycle recording apparatus.
The beneficial effects of the utility model are: the situation that is different from prior art, brake signal harvester, acquisition system and vehicle control system based on CAN fieldbus of the present utility model can collect the brake signal of vehicle accurately, timely, make to adopt that this brake signal harvester, control system or vehicle can facilitate, the real-time brake signal that records, make further vehicle control system greater functionality, more can promote user's satisfaction and Experience Degree; Meanwhile, can occur after traffic hazard, to be convenient to the root of the supervisory vehicle generation of traffic police traffic hazard, real-time evidence when more driving is provided.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of brake signal harvester first embodiment of the utility model based on CAN fieldbus.
Fig. 2 is the block scheme of vehicle brake signal acquiring system first embodiment of the utility model based on CAN fieldbus.
Fig. 3 is the block scheme of the utility model vehicle control system the first embodiment.
Fig. 4 is the block scheme of the utility model vehicle control system the second embodiment.
Fig. 5 is the block scheme of the utility model vehicle control system the 3rd embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 1 is that the utility model is based on CAN(Controller Area Network, controller local area network) structural representation of brake signal harvester one embodiment of fieldbus.The brake signal harvester based on CAN fieldbus of the present embodiment, it is for gathering brake signal, comprise: collection terminal 101, the detection module 102 being connected with described collection terminal 101 and the output terminal 103 being connected with described detection module 102, described output terminal 103 is connected with CAN bus 105 by CAN node 104; Described collection terminal 101 is also connected with brake signal line 106, the signal sending for receiving described brake signal line 106; Wherein, one end of stating brake signal line 106 connects braking commands topworks (not shown), and the other end connects brake signal lamp 107; Described detection module 102 is for the signal from collection terminal 101 receiving is carried out to discriminatory analysis processing, and in the time that discriminatory analysis processing obtains described signal and is brake signal, 103 of described output terminals send this brake signal by CAN bus 105.Wherein:
The brake signal of the present embodiment, can refer to the brake signal that user produces by jamming on running brake or pull-up parking brake.Similarly, described braking commands topworks can refer to running brake or parking brake.When described braking commands topworks is running brake, and in the time that user's pin is stepped on described running brake, this running brake will produce brake signal to brake signal lamp 107, also this brake signal will be sent to described brake signal harvester simultaneously.When described braking commands topworks is parking brake, and in the time that user pulls parking brake, this parking brake will produce brake signal to described brake signal lamp 107, meanwhile, also this brake signal will be sent to described brake signal harvester.Further, described braking commands topworks is connected with described brake signal lamp 107 by brake signal line 106, described brake signal line 106 comprises a signal wire and a ground wire, and wherein, described signal wire transmission+24V power supply signal is to described brake signal lamp 107.Should be appreciated that above-mentioned only by one or two example suitable exemplify out brake signal be how to produce to facilitate clearer understanding each technology point of the present utility model.In different embodiment, described brake signal obtains by other different modes, and for example can also transmit+12V of signal wire power supply signal is to described brake signal lamp 107, and therefore, the transmission brake signal here can be understood to transmit high level signal; While not producing brake signal, can be understood as and transmit 0V power supply signal or low level signal.In further embodiments, can also produce other simulating signal, it is not limited to level signal.
Described brake signal harvester comprises collection terminal 101, the detection module 102 being connected with collection terminal 101 and the output terminal 103 being connected with described detection module 102.Wherein: described collection terminal 101 is connected with described brake signal line 106, adopt mode in parallel to be connected to described braking commands topworks with described brake signal lamp 107.Particularly, described collection terminal 101 is red, black two cables, and red line is connected with the signal wire in described brake signal line 106, and black line is connected with the ground wire of described brake signal line 106.In the present embodiment, in the time that braking commands topworks sends brake signal, signal wire generation+24V power supply signal is to described brake signal lamp 107, and brake signal lamp 107 shows according to be somebody's turn to do+24V power supply signal; Meanwhile, described collection terminal 101 also receives this+24V power supply signal, and should+24V power supply signal is sent to detection module 102 and judges detection.In the time of described do not collect+24V of collection terminal 101 power supply signal or the signal collecting be 0V, represent the order that described braking commands topworks does not send brake signal.
Should be appreciated that in other embodiments, collection terminal 101 can also obtain brake signal by other means, for example: can be detected the action of braking commands topworks or be obtained brake signal by other forms of mode by sensor.
The signal receiving is carried out discriminatory analysis processing by described detection module 102, and the signal that obtains receiving when analyzing and processing is+when the power supply signal of 24V, thinks that this signal receiving is brake signal, and brake signal sent by CAN bus 105; The signal that obtains receiving when analyzing and processing is+when the power supply signal of 0V, thinks this signal receiving for brake signal not or thinks not receive brake signal.Particularly:
Described detection module 102 comprises: resistance pressure-dividing network and A/D Acquisition Processor, the signal receiving when detection module 102 is during for+24V power supply signal, described resistance pressure-dividing network by this+stream falls in 24V power supply signal mode by step-down carries out analyzing and processing to collection signal, and by A/D Acquisition Processor to through resistance pressure-dividing network carry out step-down fall stream signal after treatment carry out analog to digital conversion, the brake signal that can identify to be converted to CAN bus 105, and by output terminal 103 and CAN bus 105, the brake signal after conversion is sent.Described detection module 102 is specially testing circuit, the mode that its resistance pressure-dividing network falls stream by collected+24V power supply signal by step-down is processed with the signal step-down to collected and falls stream, pass through step-down and fall stream signal after treatment and carry out mould/number conversion by the A/D Acquisition Processor of 24 again, to be converted to useful brake signal, and this brake signal is sent by CAN communication mode.Although should be appreciated that the present embodiment is that to detect power supply signal be that example is set forth the utility model, the utility model is not limited in the scope that this embodiment sets forth.In other embodiment, the signal that described collection terminal 101 can also gather other is sent to detection module 102, detection module 102 judges by the interior mode that is provided with whether the signal collecting is brake signal, and then sends by CAN communication mode, just repeats no longer one by one herein.
The housing of the brake signal harvester of the present embodiment adopts sealed plastic shell, in effectively waterproof and dustproof of shell, meets IP67 grade; While being installed on vehicle, adopt band that brake signal harvester is fixed in CAN bus, guarantee that it is fixed in CAN bus reliably.Certainly,, in different embodiment, the form of described brake signal harvester can also have other different variations, repeats no longer one by one herein.
The utility model embodiment, by brake signal harvester is carried out in parallel with brake signal line, by CAN node and CAN bus, the brake signal collecting is sent again, accurately, carry out timely the collection of brake signal, other devices or the system of being convenient to vehicle processed, utilization or record, can facilitate user further to use this brake signal.
Refer to Fig. 2, Fig. 2 is the block scheme of vehicle brake signal acquiring system first embodiment of the utility model based on CAN fieldbus.The vehicle brake signal acquiring system based on CAN fieldbus of the present embodiment comprises brake signal harvester 201, brake signal lamp 202, central controller 203 and phonetic incepting module 204.Wherein: the brake signal harvester 201 of the present embodiment comprises collection terminal equally, the detection module being connected with described collection terminal and the output terminal (not shown) being connected with described detection module, similarly, described output terminal is connected (not shown) by CAN node with CAN bus, the difference of the present embodiment above-described embodiment is: described collection terminal and brake signal lamp 202 by brake signal line to be connected in parallel in central controller 203, described central controller 203 connects described phonetic incepting module 204, described phonetic incepting module 204 is for receiving user by the braking commands of phonetic entry and this braking commands being sent to described central controller 203, for example: user can send by voice " brake ", " please brake " etc. with the order of input brake, also or user can also by set special sound represent braking commands etc.When phonetic incepting module 204 receives after the braking commands that user sends, this order is sent to central controller 203, central controller 203 is identified this braking commands, and sends brake signal to brake signal lamp 202 and brake signal harvester 201 according to this braking commands; In the time that described brake signal harvester 201 receives corresponding brake signal, carrying out analyzing and processing sends by CAN node and CAN bus again, the mode that described brake signal harvester 201 is processed is identical with the first embodiment or similar, just repeats no longer one by one herein.
The utility model embodiment, vehicle brake signal acquiring system based on CAN fieldbus is by the cooperation continuously of phonetic incepting module, central controller and brake signal harvester, make user to carry out the input of braking commands by the voice of setting, central controller sends corresponding brake signal by the input of voice command, further make more convenient more real-time the braking of vehicle, make the user satisfaction of the vehicle that adopts this vehicle brake signal acquiring system and Experience Degree higher.
Refer to Fig. 3, Fig. 3 is the block scheme of the utility model vehicle control system the first embodiment.The vehicle control system of the present embodiment comprises: braking commands topworks 301, the central controller 302 being connected with described braking commands topworks 301, the brake signal lamp 303 being connected with described central controller 302, the bicycle recording apparatus 305 being connected with the brake signal harvester 304 of described brake signal lamp 303 parallel connections, with described brake signal harvester 304.Wherein:
Described braking commands topworks 301 for the braking commands that receives user to send braking commands to described central controller 302; Wherein, described braking commands topworks 301 can be above-described embodiment middle rolling car detent, parking brake or above-mentioned for receiving phonetic incepting module of the braking commands that user sends by voice etc.
Described central controller 302 for send according to the braking commands that receives brake signal to brake signal lamp 303 to drive described brake signal lamp 303 to show, also for sending brake signal to brake signal harvester 304 according to braking commands.
Described brake signal harvester 304 receives the brake signal that described central controller 302 sends and processes, and brake signal after treatment is sent to described bicycle recording apparatus 305, described brake signal harvester 304 comprises collection terminal, the detection module being connected with described collection terminal and the output terminal being connected with described detection module, and described output terminal is connected with CAN bus by CAN node; Described collection terminal is also connected with brake signal line, the signal sending for receiving described brake signal line; Described detection module is for carrying out discriminatory analysis processing by the signal from collection terminal receiving, and in the time that discriminatory analysis processing obtains described signal and is brake signal, described output terminal sends this brake signal by CAN bus.Wherein:
Described collection terminal is red, black two cables, and red line is connected with the signal wire in brake signal, and black line is connected with the ground wire of described brake signal line.In the time that braking commands topworks 301 sends brake signal, signal wire generation+24V power supply signal is to described brake signal lamp 303, and brake signal lamp 303 shows according to be somebody's turn to do+24V power supply signal; Meanwhile, described collection terminal also receives this+24V power supply signal, and should+24V power supply signal is sent to detection module and judges detection.In the time of do not collect+24V of described collection terminal power supply signal or the signal collecting be 0V, represent the order that described braking commands topworks 301 does not send brake signal.
The signal receiving is carried out discriminatory analysis processing by described detection module, and the signal that obtains receiving when analyzing and processing is+when the power supply signal of 24V, thinks that this signal receiving is brake signal, and brake signal sent by CAN bus; The signal that obtains receiving when analyzing and processing is+when the power supply signal of 0V, thinks this signal receiving for brake signal not or thinks not receive brake signal.Particularly:
Described detection module comprises resistance pressure-dividing network and A/D Acquisition Processor, the signal receiving when detection module is during for+24V power supply signal, described resistance pressure-dividing network by this+stream falls in 24V power supply signal mode by step-down carries out analyzing and processing to collection signal, and by A/D Acquisition Processor to through resistance pressure-dividing network carry out step-down fall stream signal after treatment carry out analog to digital conversion, the brake signal that can identify to be converted to CAN bus, and by output terminal and CAN bus, the brake signal after conversion is sent.Described detection module is specially testing circuit, the mode that its resistance pressure-dividing network falls stream by collected+24V power supply signal by step-down is processed with the signal step-down to collected and falls stream, pass through step-down and fall stream signal after treatment and carry out mould/number conversion by the A/D Acquisition Processor of 24 again, to be converted to useful brake signal, and this brake signal is sent by CAN communication mode.Although should be appreciated that the present embodiment be detect power supply signal be brake signal so that the utility model is set forth, the utility model is not limited in the scope that this embodiment sets forth.In other embodiment, the signal that described collection terminal can also gather other as brake signal to be sent to detection module, detection module judges by interior mode of establishing whether the signal collecting is brake signal, and then send by CAN communication mode, just repeat no longer one by one herein, and in the present embodiment, described brake signal harvester 304 is identical or similar with structure or the function of the brake signal harvester 304 in above-described embodiment, just repeats no longer one by one herein.
Described bicycle recording apparatus 305 comprises timer, and described bicycle recording apparatus 305 receives the time of each brake signal for recording each brake signal and record.Wherein: described bicycle recording apparatus 305 can be device or the driving recording instrument etc. that also has memory function and real time record function, for the record braking and the time of brake being carried out to record in the time that brake occurs vehicle, to facilitate user to check or when vehicle is after accidents happened, vehicle is carried out supervisory, so that some real-time evidences in when driving to be provided more easily.
The utility model embodiment, vehicle control system is by the cooperation continuously of brake signal harvester, bicycle recording apparatus, central controller etc., the vehicle that makes to adopt this control system can facilitate, the real-time record time that brake signal, brake signal occur, make vehicle control system greater functionality, more can promote user's satisfaction and Experience Degree; Meanwhile, can occur after traffic hazard, to be convenient to the root of the supervisory vehicle generation of traffic police traffic hazard, real-time evidence when more driving is provided.
Refer to Fig. 4, Fig. 4 is the block scheme of the utility model vehicle control system the second embodiment.The vehicle control system of the present embodiment comprises and vehicle control system the first example structure or the same or analogous braking commands of function topworks, central controller, brake signal lamp, brake signal harvester and bicycle recording apparatus.Wherein: the present embodiment also comprises GPS locating device 406, described GPS locating device 406 is connected with drive recorder, for the traveling-position of vehicle is sent to described bicycle recording apparatus in real time; Described bicycle recording apparatus also receives the traveling-position that described GPS locating device 406 sends in real time in recording this brake signal and receiving time of this brake signal, the positional information when clearly recording the temporal information that brake signal occurs and to occur.
Particularly, described GPS locating device 406 can be connected with central controller, and to obtain central controller announcement information, this announcement information is to make it send the information of real time running position to bicycle recording apparatus; Or also can directly be connected with bicycle recording apparatus, what send by bicycle recording apparatus obtains real time running position command and real time running position is sent to described bicycle recording apparatus etc.Certainly, in different embodiment, this GPS locating device 406 sends real time running position to the action of bicycle recording apparatus of vehicle can carry out different definition, as long as can make bicycle recording apparatus in getting each real-time brake signal, can get the described GPS locating device 406 real time running position matching with this brake signal that send.Meanwhile, the timer that establish drive recorder inside records time of reception in the time receiving brake signal, the positional information when making bicycle recording apparatus record the temporal information that brake signal, this brake signal occur simultaneously and occur.
The utility model embodiment, vehicle control system is by the cooperation continuously of brake signal harvester, bicycle recording apparatus, GPS locating device and central controller etc., the vehicle that makes to adopt this control system can facilitate, the real-time time that brake signal, brake signal occur, the real time position that brake signal occurs of recording, make vehicle control system greater functionality, more can promote user's satisfaction and Experience Degree; Meanwhile, can occur after traffic hazard, to be convenient to the root of the supervisory vehicle generation of traffic police traffic hazard, real-time evidence when more driving is provided.
Refer to Fig. 5, Fig. 5 is the block scheme of the utility model vehicle control system the 3rd embodiment.The vehicle control system of the present embodiment comprises and vehicle control system the first example structure or the same or analogous braking commands of function topworks, central controller, brake signal lamp, brake signal harvester and bicycle recording apparatus, also comprise and vehicle control system the second example structure or the same or analogous GPS locating device of function, wherein, also comprise: load measuring device 507 and load-carrying suggestion device 508.
Described load measuring device 507 is connected with described central controller, for the real-time dead weight capacity of measuring vehicle, and this real-time dead weight capacity is sent to described central controller; Wherein:
Described load measuring device 507 can adopt any measurement mechanism on the market, such as adopting gravity sensor or the real-time dead weight capacity of measuring vehicle by other means, and this real-time dead weight capacity is sent to central controller.
In the present embodiment, the real-time dead weight capacity that described central controller also sends for receiving load measuring device 507, and by this real-time dead weight capacity and in it default maximum bearing capacity judge and compare, when judgement obtain this real-time dead weight capacity approach or equal or exceed the maximum capacity amount of vehicle after and in the time receiving braking commands, send and control signal to load-carrying suggestion device 508 to point out.Be to be understood that, here said approaching can referring to approximates maximum capacity amount and is less than maximum capacity amount, in other embodiment, in real time dead weight capacity approach maximum capacity amount can refer to be less than maximum capacity amount and this value that is less than maximum capacity amount be maximum capacity amount 30% in.
Described load-carrying suggestion device 508 can be sound prompt device and/or display reminding device, and sound prompt device can be loudspeaker, earphone and/or bluetooth earphone; Described display reminding device can be display screen and/or LED lamp etc.Described load-carrying suggestion device 508 receives the laggard lang sound of control signal or the display reminding that described central controller sends, to play the effect of warning.
In the present embodiment, described load measuring device 507 is also connected with described bicycle recording apparatus, when load measuring device 507 detects after the real-time dead weight capacity of vehicle, this real-time dead weight capacity is sent to bicycle recording apparatus, so that described this dead weight capacity of bicycle recording apparatus real time record, in further making the positional information of described bicycle recording apparatus in the time recording temporal information that brake signal, brake signal occur and brake signal and occur, record the real-time weight information that load measuring device 507 is measured.
The utility model embodiment, vehicle control system is by the cooperation continuously of brake signal harvester, bicycle recording apparatus, GPS locating device, load measuring device and central controller etc., the vehicle that makes to adopt this control system can facilitate, real-time brake signal, time that brake signal occurs, real time position that brake signal occurs and the real-time dead weight capacity information of vehicle of recording, make vehicle control system greater functionality, more can promote user's satisfaction and Experience Degree; More importantly, can occur after traffic hazard, be convenient to the root of the supervisory vehicle generation of traffic police traffic hazard, whether ratio because brake and the vehicle parking that causes are not in time or other traffic hazards etc. when overload of vehicle, real-time evidence when more driving is provided.
Above-mentioned any embodiment all can be applicable in vehicle, and described vehicle refers to motor vehicle and bicycle, and scheme of the present utility model mainly applies in motor vehicle.
These are only embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model instructions and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (10)
1. the brake signal harvester based on CAN fieldbus, it for gathering brake signal, is characterized in that, comprising:
Collection terminal, the detection module being connected with described collection terminal and the output terminal being connected with described detection module, described output terminal is connected with CAN bus by CAN node;
Described collection terminal is also connected with brake signal line, the signal sending for receiving described brake signal line; Wherein, one end of described brake signal line connects braking commands topworks, and the other end connects brake signal lamp;
Described detection module is for carrying out discriminatory analysis processing by the signal from collection terminal receiving, and in the time that discriminatory analysis processing obtains described signal and is brake signal, described output terminal sends this brake signal by CAN bus.
2. the brake signal harvester based on CAN fieldbus as claimed in claim 1, it is characterized in that: described collection terminal is two and detects cable, it is connected with ground wire and the signal wire of described brake signal line respectively, when the signal collecting when described collection terminal is high level signal, described detection module judges and has received brake signal, when the signal collecting when described collection terminal is low level signal, described detection module judges that what receive is brake signal or do not receive brake signal not.
3. the brake signal harvester based on CAN fieldbus as claimed in claim 2, it is characterized in that: the signal receiving is carried out discriminatory analysis processing by described detection module, when the signal that obtains receiving when analyzing and processing is high level signal, think that this signal receiving is brake signal, and brake signal is sent by CAN bus; When the signal that obtains receiving when analyzing and processing is low level signal, think this signal receiving for brake signal not or think not receive brake signal.
4. the brake signal harvester based on CAN fieldbus as claimed in claim 3, it is characterized in that: described detection module comprises resistance pressure-dividing network and A/D Acquisition Processor, when the signal receiving when detection module is high level signal, described resistance pressure-dividing network falls this high level signal the mode of stream collection signal is carried out to analyzing and processing by step-down, and by A/D Acquisition Processor to through resistance pressure-dividing network carry out step-down fall stream signal after treatment carry out analog to digital conversion, to be converted to brake signal, and by output terminal and CAN bus, the brake signal after conversion is sent.
5. the vehicle brake signal acquiring system based on CAN fieldbus, is characterized in that, comprising:
Phonetic incepting module, the braking commands of sending by voice for receiving user, and this braking commands is sent to central controller;
Described central controller is connected with described phonetic incepting module, for the braking commands receiving is carried out to identifying processing, also for sending brake signal to brake signal lamp and brake signal harvester according to braking commands;
Described brake signal lamp is connected with described central controller by brake signal line, for receiving brake signal that described central controller sends to show accordingly;
Described brake signal harvester comprises collection terminal, the detection module being connected with described collection terminal and the output terminal being connected with described detection module, described output terminal is connected with described CAN bus by CAN node, described collection terminal is connected described central controller with described brake signal line parallel, for receiving brake signal by brake signal line, described detection module is for carrying out discriminatory analysis processing by the signal from collection terminal receiving, in the time that discriminatory analysis processing obtains described signal and is brake signal, described output terminal sends this brake signal by CAN bus.
6. a vehicle control system, is characterized in that, comprising:
Braking commands topworks, the central controller being connected with described braking commands topworks, the brake signal lamp being connected with described central controller, the bicycle recording apparatus being connected with the brake signal harvester of described brake signal lamp parallel connection, with described brake signal harvester;
Described braking commands topworks for the braking commands that receives user so that this braking commands is sent to described central controller;
Described central controller for send according to the braking commands that receives brake signal to brake signal lamp to drive described brake signal lamp to show, also for sending brake signal to brake signal harvester according to braking commands;
Described brake signal harvester receives the brake signal of described central controller transmission and processes, and brake signal after treatment is sent to described bicycle recording apparatus, described brake signal harvester is the brake signal harvester described in any one claim in the claims 1 to 5;
Described bicycle recording apparatus comprises timer, and described bicycle recording apparatus receives the time of this brake signal for recording this brake signal and record.
7. vehicle control system as claimed in claim 6, is characterized in that: also comprise the GPS locating device being connected with described bicycle recording apparatus, described GPS locating device is for being sent in real time described bicycle recording apparatus by the traveling-position of vehicle; Described bicycle recording apparatus also receives the traveling-position that described GPS locating device sends in real time in recording this brake signal and receiving time of this brake signal, the positional information when clearly recording the temporal information that brake signal occurs and to occur.
8. vehicle control system as claimed in claim 7, is characterized in that, also comprises:
The load measuring device being connected with described central controller and load-carrying suggestion device;
Described load measuring device is used for measuring the real-time dead weight capacity of described vehicle, and this real-time dead weight capacity is sent to described central controller;
Described central controller, also for receiving after described real-time dead weight capacity, judges whether this real-time dead weight capacity approaches or equal or exceed the maximum capacity amount of vehicle; After the judgement of described central controller obtains maximum capacity amount that this real-time dead weight capacity approached or equaled or exceeded vehicle and in the time receiving braking commands, control described load-carrying suggestion device and point out.
9. vehicle control system as claimed in claim 8, is characterized in that: described load-carrying suggestion device comprises the sound prompt device and/or the display reminding device that are connected with described central controller.
10. vehicle control system as claimed in claim 8, is characterized in that: described bicycle recording apparatus is also connected with described load measuring device, for the real-time dead weight capacity measuring is sent to described bicycle recording apparatus.
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| CN201320749984.4U CN203616593U (en) | 2013-11-25 | 2013-11-25 | CAN field bus-based brake signal acquisition device, acquisition system and vehicle control system |
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| CN201320749984.4U CN203616593U (en) | 2013-11-25 | 2013-11-25 | CAN field bus-based brake signal acquisition device, acquisition system and vehicle control system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576579A (en) * | 2013-11-25 | 2014-02-12 | 重庆大唐科技股份有限公司 | Brake signal acquisition device based on CAN on-site bus, acquisition system and vehicle control system |
| CN108116395A (en) * | 2017-12-22 | 2018-06-05 | 北京汽车研究总院有限公司 | A kind of vehicle and its vehicle-state reminding method |
| CN109017743A (en) * | 2018-09-12 | 2018-12-18 | 宁波捷锐汽车电子有限公司 | The air pressure acquisition devices and air pressure acquisition system of car brake and door control system |
| CN113459944A (en) * | 2021-07-16 | 2021-10-01 | 深圳元戎启行科技有限公司 | Brake lamp control device, system and method and unmanned automobile |
-
2013
- 2013-11-25 CN CN201320749984.4U patent/CN203616593U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103576579A (en) * | 2013-11-25 | 2014-02-12 | 重庆大唐科技股份有限公司 | Brake signal acquisition device based on CAN on-site bus, acquisition system and vehicle control system |
| CN108116395A (en) * | 2017-12-22 | 2018-06-05 | 北京汽车研究总院有限公司 | A kind of vehicle and its vehicle-state reminding method |
| CN108116395B (en) * | 2017-12-22 | 2024-01-30 | 北京汽车集团越野车有限公司 | Vehicle and vehicle state prompting method thereof |
| CN109017743A (en) * | 2018-09-12 | 2018-12-18 | 宁波捷锐汽车电子有限公司 | The air pressure acquisition devices and air pressure acquisition system of car brake and door control system |
| CN109017743B (en) * | 2018-09-12 | 2024-02-27 | 宁波捷锐汽车电子有限公司 | Air pressure acquisition device and air pressure acquisition system of passenger car brake and door control system |
| CN113459944A (en) * | 2021-07-16 | 2021-10-01 | 深圳元戎启行科技有限公司 | Brake lamp control device, system and method and unmanned automobile |
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