CN208180878U - A kind of hybrid electric vehicle low speed warning system for electrical teaching - Google Patents
A kind of hybrid electric vehicle low speed warning system for electrical teaching Download PDFInfo
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- CN208180878U CN208180878U CN201820554020.7U CN201820554020U CN208180878U CN 208180878 U CN208180878 U CN 208180878U CN 201820554020 U CN201820554020 U CN 201820554020U CN 208180878 U CN208180878 U CN 208180878U
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- buzzer
- electric vehicle
- hybrid electric
- master switch
- car controller
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- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
Abstract
The utility model discloses a kind of hybrid electric vehicle low speed warning system for electrical teaching, which is made of entire car controller, manual master switch, buzzer connection；Specifically, entire car controller is connected to GND line by relay, and one foot of buzzer is connected to ACC line by manual master switch, and another foot is connected to GND line；Wherein, one foot of relay is connected to the intermediate node of buzzer Yu manual master switch.The entire car controller makes to can control sound output to buzzer output according to hybrid electric vehicle operating status；The manual master switch opens or closes buzzer power input manually；The buzzer simulated engine idling sound.Tthe utility model system structure is simple, and design is rationally, practical, only when hybrid electric vehicle be in pure electricity can operational mode and speed just simulate sending engine sound lower than 20km/h and prompt pedestrian.
Description
Technical field
The utility model belongs to hybrid electric vehicle technical field, is related to low speed alarm warning system for electrical teaching, specifically a kind of mixed
It closes power vehicle low speed and warns system for electrical teaching.
Background technique
It is the 12.13rd article, pure electric automobile, plug-in mixed according to GB7258-2017 " motor vehicle safe and technical specification "
Close the particular/special requirement of power vehicle, the 12.13.2 articles: " pure electric automobile, plug-in hybrid-power automobile is in vehicle start and vehicle
When speed is lower than 20km/h, the indicative sound appropriate should be able to be issued to the outer personnel of vehicle ".
Existing low speed alarm warning system for electrical teaching is suitable for pure electric automobile, is voluntarily sentenced according to speed when being lower than 20km/h
Break and issues caution sound, but hybrid electric vehicle itself has engine system, even if when speed is lower than 20km/h, as long as
Meeting engine start condition, then engine just will start, and meeting engine misses condition, then engine can stop working, and at this time
If not judging that the true sound of engine is issued by alarm warning sound, then it will lead to two kinds of sound and exist simultaneously, influence passenger
Comfort, and hybrid electric vehicle working condition is more, and sometimes driver can judge to send out according to engine start and stop situation
Whether whether motivation participates in work vehicle operational mode normal, as long as so issuing alarm sound obviously not lower than 20km/h
It can be suitably used for hybrid electric vehicle, this just needs one kind can be according to the low speed alarm warning system for electrical teaching of hybrid electric vehicle.
Utility model content
The purpose of the utility model is to overcome above-mentioned shortcoming, provide a kind of advantages of simple, performance safety it is reliable,
The hybrid electric vehicle low speed of strong applicability warns system for electrical teaching.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of hybrid electric vehicle low speed warning system for electrical teaching, the system are connected by entire car controller, manual master switch, buzzer
Connect composition；Specifically, entire car controller is connected to GND line by relay, and one foot of buzzer is connected to by manual master switch
ACC line, another foot are connected to GND line；Wherein, one foot of relay is connected to the intermediate node of buzzer Yu manual master switch.
The entire car controller makes to can control sound output to buzzer output according to hybrid electric vehicle operating status；It should
It enables while being transmitted to instrument by instrument main interface by graphical display low speed caution sound working condition, do not work no display, work
Icon defined in showing when making is conducive to driver and judges current whole vehicle state；The manual master switch opens or closes manually
Buzzer power input；The buzzer simulated engine idling sound.
The utility model has the beneficial effects that Tthe utility model system structure is simple, design is rationally, practical, only when
Hybrid electric vehicle be in pure electricity can operational mode and speed just simulate sending engine sound lower than 20km/h and prompts pedestrian.
Detailed description of the invention
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
Fig. 1 is the schematic diagram that a kind of hybrid electric vehicle low speed of the utility model warns system for electrical teaching；
Fig. 2 is that a kind of hybrid electric vehicle low speed of the utility model warns the simulink of system for electrical teaching to model figure.
Specific embodiment
Below in conjunction with attached drawing and preferred embodiment, to according to specific embodiment provided by the utility model, structure, spy
Details are as follows for sign:
Referring to Fig. 1, a kind of hybrid electric vehicle low speed warning system for electrical teaching, the system is by entire car controller 1, manual master switch
2, the connection of buzzer 3 composition；
Entire car controller 1 is connected to GND line by relay, and 3 one foot of buzzer is connected to ACC by manual master switch 2
Line, another foot are connected to GND line；Wherein, one foot of relay is connected to the intermediate node of buzzer 3 Yu manual master switch 2；Vehicle control
Device 1 processed is connected to instrument by CAN line.
The entire car controller 1 can make to can control sound defeated according to hybrid electric vehicle operating status to buzzer output
Out；This is enabled while being transmitted to instrument by instrument main interface by graphical display low speed caution sound working condition, does not work without aobvious
Show, show when work defined in icon, be conducive to driver and judge current whole vehicle state；
Manual master switch 2 can open or close buzzer power input manually；
The buzzer 3 can be with simulated engine idling sound；
Working principle: entire car controller 1 acquires vehicle speed information, engine speed information, gear information,
In N gear set entire car controller judgement be now in can not driving states, no matter whether engine starts at this time,
Low speed alarm warning sound not will start；
Receiving D gear or R gear information, entire car controller judgement be now in can driving states, full-vehicle control at this time
Device can comprehensive descision speed and engine speed information；
When speed be greater than 0.5 and be less than or equal to 20 and engine speed lower than in the case of idling speed, full-vehicle control just meeting
It issues and enables to buzzer, control buzzer issues simulated engine idling sound, plays the role of warning to pedestrian；
Can be under driving states even if vehicle is in, vehicle, which does not move up, would not influence pedestrains safety, no matter sending out at this time
Whether motivation starts, and low speed alarm warning system for electrical teaching will not all issue caution sound；
When vehicle be in can driving states, if but engine meets entry condition and starts at this time, then due to starting
Machine can inherently remind pedestrian, so low speed alarm warning system for electrical teaching will not issue caution sound；
Referring to fig. 2, D represents the drive shift signal of entire car controller acquisition to vehicle control unit controls strategy, and R represents reverse gear letter
Number, n represents engine speed, and V represents speed, and IdleSpeed represents the engine idle rotational of calibration, and Enable is to bee
The device that rings issues enabled.
Low speed alarm warning system for electrical teaching can be turned off manually in manual master switch.
The utility model is made of entire car controller 1, manual master switch 2, the connection of buzzer 3, and system structure is simple, design
Rationally, practical, it can voluntarily be judged according to hybrid electric vehicle present mode of operation, only when hybrid electric vehicle is in
Pure electricity can operational mode and speed just simulate sending engine sound lower than 20km/h and prompts pedestrian.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from reality
With novel structure or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (1)
1. a kind of hybrid electric vehicle low speed warns system for electrical teaching, which is characterized in that the system by entire car controller (1), it is total manually
Switch (2), buzzer (3) connection composition；Specifically, the entire car controller (1) is connected to GND line by relay, described
(3) one foot of buzzer is connected to ACC line by manual master switch (2), and another foot is connected to GND line；Wherein, the relay one
Foot is connected to the intermediate node of buzzer (3) Yu manual master switch (2)；
The entire car controller (1) makes to can control sound output to buzzer output according to hybrid electric vehicle operating status；It should
It enables while being transmitted to instrument by instrument main interface by graphical display low speed caution sound working condition, do not work no display, work
Icon defined in showing when making is conducive to driver and judges current whole vehicle state；The manual master switch (2) plays on or off manually
Close buzzer power input；Buzzer (3) the simulated engine idling sound.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820554020.7U CN208180878U (en) | 2018-04-18 | 2018-04-18 | A kind of hybrid electric vehicle low speed warning system for electrical teaching |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820554020.7U CN208180878U (en) | 2018-04-18 | 2018-04-18 | A kind of hybrid electric vehicle low speed warning system for electrical teaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208180878U true CN208180878U (en) | 2018-12-04 |
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| CN201820554020.7U Active CN208180878U (en) | 2018-04-18 | 2018-04-18 | A kind of hybrid electric vehicle low speed warning system for electrical teaching |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382297A (en) * | 2018-04-18 | 2018-08-10 | 安徽安凯汽车股份有限公司 | A kind of hybrid electric vehicle low speed warning system for electrical teaching |
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2018
- 2018-04-18 CN CN201820554020.7U patent/CN208180878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108382297A (en) * | 2018-04-18 | 2018-08-10 | 安徽安凯汽车股份有限公司 | A kind of hybrid electric vehicle low speed warning system for electrical teaching |
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