CN203216934U - Speedometer - Google Patents
Speedometer Download PDFInfo
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- CN203216934U CN203216934U CN 201320105642 CN201320105642U CN203216934U CN 203216934 U CN203216934 U CN 203216934U CN 201320105642 CN201320105642 CN 201320105642 CN 201320105642 U CN201320105642 U CN 201320105642U CN 203216934 U CN203216934 U CN 203216934U
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Abstract
Embodiments of the utility model discloses a speedometer, which comprises a real-time speed display module and a recommended speed display module, wherein the real-time speed display module indicates a real-time speed, and the recommended speed display module displays a current recommended optimal speed and a current recommended maximal speed. The speedometer of the utility model can visually reflect current driving capability of an electric car for a driver, and improve driving experience of the electric car.
Description
Technical field
The utility model relates to automotive field, relates in particular to a kind of speedometer.
Background technology
On pure motorized motions car (hereinafter to be referred as electric motor car), because the output power of electric motor car will be subjected to the influence of motor and supplying cell, but the output power of motor and supplying cell can change in real time along with the driving cycle of electric motor car, and this will cause the driving force meeting real-time change of electric motor car.And at present, the real-time speed of a motor vehicle scale area that is provided with and the speedometer of real-time speed of a motor vehicle pointer can only be used for to the driver showing the real-time speed of a motor vehicle that the driver can't directly learn the driving force of working as vehicle in front by speedometer.This just causes when the driving force generation marked change of vehicle, the driver can't take corresponding counter-measure (as changing the speed of a motor vehicle, stop to overtake other vehicles etc.) according to the variation of vehicle traction ability, like this, not only can reduce driver's driving and experience, even threaten driver's traffic safety.
The utility model content
The utility model provides a kind of speedometer, can intuitively react the current driving force of electric motor car, improves the driving of electric motor car and experiences.
In order to solve the problems of the technologies described above, the utility model embodiment provides a kind of speedometer, comprising: characterize the real-time speed of a motor vehicle display module of the real-time speed of a motor vehicle of indication and the recommended vehicle speed display module that shows the best speed of a motor vehicle of current recommendation and current recommendation the max speed.
Wherein, described recommended vehicle speed display module is specially numerical value viewing area or the graphical display area that shows the best speed of a motor vehicle of described current recommendation and described current recommendation the max speed.
Wherein, described real-time speed of a motor vehicle display module comprises: the real-time speed of a motor vehicle scale area and the real-time speed of a motor vehicle pointer that characterize the real-time speed of a motor vehicle of indication, described real-time speed of a motor vehicle pointer is used in described real-time speed of a motor vehicle scale area indication current vehicle speed, described recommended vehicle speed display module comprises: first pointer and second pointer, described first pointer is used for indicating the best speed of a motor vehicle of described current recommendation in described real-time speed of a motor vehicle scale area, and described second pointer is used for indicating described current recommendation the max speed in described real-time speed of a motor vehicle scale area.
Wherein, described recommended vehicle speed display module comprises: the recommended vehicle speed scale area, indicate the 3rd pointer of the best speed of a motor vehicle of described current recommendation and the 4th pointer of indicating described current recommendation the max speed in described recommended vehicle speed scale area in described recommended vehicle speed scale area.
Wherein, described recommended vehicle speed display module comprises: recommended vehicle speed viewing area, first mark and second mark, described first mark is used for identifying the best speed of a motor vehicle of current recommendation in described recommended vehicle speed viewing area, described second mark is used for identifying current recommendation the max speed in described recommended vehicle speed viewing area, and described first mark and second mark are by different colours or brightness difference.
Wherein, described real-time speed of a motor vehicle display module comprises: real-time speed of a motor vehicle pointer and ringwise real-time speed of a motor vehicle district, the described real-time speed of a motor vehicle is provided with real-time speed of a motor vehicle scale in the district, and described real-time speed of a motor vehicle pointer is used in described real-time speed of a motor vehicle district indication current vehicle speed, and described recommended vehicle speed viewing area ringwise or rectangle.
Wherein, described recommended vehicle speed viewing area ringwise, described ringwise real-time speed of a motor vehicle district has the identical center of circle with described ringwise recommended vehicle speed viewing area.
Wherein, described recommended vehicle speed display module comprises: the recommended vehicle speed viewing area, described recommended vehicle speed viewing area comprises: recommend the speed of operation district, allow the hypervelocity district and do not recommend the speed of operation district, described recommendation speed of operation district is used for showing the vehicle speed range from default minimum speed of operation to the best speed of a motor vehicle of described current recommendation, described permission hypervelocity is distinguished the vehicle speed range that is used for showing from the best speed of a motor vehicle of described current recommendation to described current recommendation the max speed, and the described speed of operation district of not recommending is used for the vehicle speed range of demonstration from described current recommendation the max speed to default maximum speed of operation.
Wherein, described recommendation speed of operation district is shown as first color, and described permission hypervelocity district is shown as second color, and the described speed of operation district of not recommending is shown as the 3rd color, and described first color, described second color and described the 3rd color have nothing in common with each other.
Embodiment of the present utility model, by on speedometer, directly showing the best speed of a motor vehicle of current recommendation and current recommendation the max speed, thereby shown the current driving force of electric motor car intuitively to the driver, improved the driving of electric motor car and experienced, and provide guarantee for the safety traffic of electric motor car.
Description of drawings
Fig. 1 is the structural representation of first embodiment of speedometer of the present utility model;
Fig. 2 is the structural representation of second embodiment of speedometer of the present utility model;
Fig. 3 is the structural representation of the 3rd embodiment of speedometer of the present utility model;
Fig. 4 is a kind of structural representation of embodiment of the 4th embodiment of speedometer of the present utility model;
Fig. 5 is the structural representation of another kind of embodiment of the 4th embodiment of speedometer of the present utility model;
Fig. 6 is the structural representation of the 5th embodiment of speedometer of the present utility model;
Fig. 7 is driving power of the present utility model and the corresponding relation surface chart of gradient resistance and recommended vehicle speed.
Embodiment
Clearer for technical matters, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
Speedometer of the present utility model comprises: characterize the real-time speed of a motor vehicle display module of the real-time speed of a motor vehicle of indication and the recommended vehicle speed display module that shows the best speed of a motor vehicle of current recommendation and current recommendation the max speed.
As first embodiment of the present utility model, the recommended vehicle speed display module is specifically as follows: the numerical value viewing area or the graphical display area that show the best speed of a motor vehicle of current recommendation and current recommendation the max speed.As shown in Figure 1, speed of a motor vehicle display module B comprises in real time: speed of a motor vehicle scale area B1 and speed of a motor vehicle pointer B2 in real time in real time, recommended vehicle speed display module A is specifically as follows numerical value viewing area A, and numerical value viewing area A can electronics shows that current best recommended vehicle speed Vbest(is " the Vbest:80km/h(kilometer per hour) " that shows among Fig. 1 in the A of numerical value viewing area) and current maximum recommended vehicle velocity V max(be " Vmax:120km/h " that in the A of numerical value viewing area, shows among Fig. 1).In addition, the recommended vehicle speed display module also can be the graphical display area that comes the best speed of a motor vehicle of current recommendation and current recommendation the max speed with figure.The recommended vehicle speed display module can be LED(Light Emitting Diode, light emitting diode) demonstration module or LCDs.
As second embodiment of the present utility model, as shown in Figure 2, speed of a motor vehicle display module comprises in real time: characterize real-time speed of a motor vehicle scale area B1 and the real-time speed of a motor vehicle pointer B2 of the real-time speed of a motor vehicle of indication, wherein, speed of a motor vehicle pointer is used in the current vehicle speed of speed of a motor vehicle scale area B1 indication in real time in real time.Recommended vehicle speed display module A comprises: the first pointer A1 and the second pointer A2, the first pointer A1 are used for indicating the best speed of a motor vehicle of current recommendation at real-time speed of a motor vehicle scale area B1, and the second pointer A2 is used for indicating current recommendation the max speed at real-time speed of a motor vehicle scale area B1.Speed of a motor vehicle pointer B2, the first pointer A1 and the second pointer A2 can distinguish with different colors or shape in real time.For example speed of a motor vehicle pointer B2 can can be redness for green and the second pointer A2 for white, the first pointer A1 in real time.
As the 3rd embodiment of the present utility model, as shown in Figure 3, speed of a motor vehicle display module comprises in real time: characterize real-time speed of a motor vehicle scale area B1 and the real-time speed of a motor vehicle pointer B2 of the real-time speed of a motor vehicle of indication, wherein, speed of a motor vehicle pointer is used in the current vehicle speed of speed of a motor vehicle scale area B1 indication in real time in real time.Recommended vehicle speed display module A comprises: recommended vehicle speed scale area A3, indicate the 3rd pointer A4 of the best speed of a motor vehicle of current recommendation and the 4th pointer A5 that indicates current recommendation the max speed at recommended vehicle speed scale area A3 at recommended vehicle speed scale area A3.It should be noted that, the shape of recommended vehicle speed scale area A3 with and position on the dial plate of speedometer can be set as required by the designer, shown in Figure 3 is ringwise, and having the recommended vehicle speed scale area A3 of phase concentric with the real-time speed of a motor vehicle scale area B1 of annular, only is a kind of embodiment of the present utility model.
As the 4th embodiment of the present utility model, real-time speed of a motor vehicle display module can comprise: real-time speed of a motor vehicle pointer and ringwise real-time speed of a motor vehicle district, be provided with real-time speed of a motor vehicle scale in the speed of a motor vehicle district in real time, and speed of a motor vehicle pointer is used for indicating current vehicle speed in real-time speed of a motor vehicle district in real time.The recommended vehicle speed display module comprises: recommended vehicle speed viewing area, first mark and second mark.The recommended vehicle speed viewing area can be rectangular or annular.First mark is used for identifying the best speed of a motor vehicle of current recommendation in the recommended vehicle speed viewing area, and second mark is used for identifying current recommendation the max speed in the recommended vehicle speed viewing area, and first mark and second mark are by different colours or brightness or shape difference.The recommended vehicle speed viewing area can be speed of a motor vehicle scale area or the recommended vehicle speed scale area of setting in real time separately.When the recommended vehicle speed viewing area was real-time speed of a motor vehicle scale area, first mark and second mark can be pointer (corresponding first mark of A6 pointer among the figure, corresponding second mark of A7 pointer) as shown in Figure 4; Also can be the color mark of the current color that is different from real-time speed of a motor vehicle scale (or recommended vehicle speed scale), for example, when Vbest is that 80km/h, Vmax are when being 120km/h, in real time on the speed of a motor vehicle scale area (or recommended vehicle speed scale area), except Vbest and the corresponding scale of Vmax, other all scale can white show that all first mark can be the green corresponding scale of Vbest that shows, second mark can be the corresponding scale of the Vmax of red display; First mark and second mark can also be as shown in Figure 5 A6-1 and corresponding two cursors of A7-1, these two cursors can be by different colours or brightness or shape difference.When the recommended vehicle speed viewing area was the recommended vehicle speed scale area that arranges separately on speedometer, the recommended vehicle speed viewing area can be ringwise, and can have the identical center of circle with ringwise real-time speed of a motor vehicle district.
As the 5th embodiment of the present utility model, as shown in Figure 6, real-time speed of a motor vehicle display module can comprise: real-time speed of a motor vehicle pointer B2 and ringwise real-time speed of a motor vehicle district B1, be provided with real-time speed of a motor vehicle scale in the speed of a motor vehicle district in real time, and speed of a motor vehicle pointer B2 is used for indicating current vehicle speed at real-time speed of a motor vehicle district B1 in real time.The recommended vehicle speed display module comprises: the recommended vehicle speed viewing area.The recommended vehicle speed viewing area comprises: recommend speed of operation district A8, allow hypervelocity district A9 and do not recommend speed of operation district A10.Recommend speed of operation district A8 to be used for the vehicle speed range of demonstration from default minimum speed of operation (as 0km/h) to the best speed of a motor vehicle of current recommendation; Allow hypervelocity district A9 to be used for the vehicle speed range of demonstration from the best speed of a motor vehicle of current recommendation to current recommendation the max speed; Do not recommend speed of operation district A10 to be used for the vehicle speed range of demonstration from current recommendation the max speed to default maximum speed of operation (as 200km/h).In real time speed of a motor vehicle district and recommended vehicle speed viewing area all can be ringwise, and share a center of circle.Recommend speed of operation district A8 to be shown as first color, allow hypervelocity district A9 to be shown as second color, do not recommend speed of operation district A10 to be shown as the 3rd color, first color, second color and the 3rd color have nothing in common with each other.Corresponding to Fig. 6, the intersection 1 of first color and second color is the best speed of a motor vehicle of current recommendation, and the intersection 2 of second color and the 3rd color is current recommendation the max speed.For the ease of intuitively showing to the driver, first color can be made as green expression and recommend speed of operation, second color to be made as the yellow hypervelocity of representing to allow, the 3rd color is made as red expression and does not recommend speed of operation.
Among all embodiment of the present utility model, the best speed of a motor vehicle of current recommendation has been reacted the optimal economic energy consumption of electric motor car, current recommendation the max speed has reacted the maximum drive ability of electric motor car: when electric motor car travels in from default minimum speed of operation (as 0km/h) to the vehicle speed range of the best speed of a motor vehicle of current recommendation, the power consumption economy that can keep vehicle also can play the certain protection effect to motor and the supplying cell of electric motor car simultaneously; In from the best speed of a motor vehicle of current recommendation to the vehicle speed range of current recommendation the max speed, electric motor car is unsustainable travelling, and this vehicle speed range can reflect the acceleration capacity when vehicle in front; Electric motor car can cause the load of continuous current electromotor and battery excessive when cart travels to the vehicle speed range of default maximum speed of operation (as 200km/h) from current recommendation, has influence on the serviceable life of motor and battery then.
Before obtaining the recommendation power of electric motor car, also need to consider the operational mode of electric motor car.The operational mode of electric motor car is specially pure power mode or increases the journey pattern.When electric motor car was in pure power mode, the output power of electric motor car can be subjected to the influence of battery and motor; And be in when increasing the journey pattern when electric motor car, the output power of electric motor car will be subjected to the influence of battery, motor and distance increasing unit, therefore electric motor car is under the different operational modes, and the computing method of current recommendation best power and/or current recommendation peak power can be different.Generally speaking, motor and supplying cell all can set in advance output rating (getting final product continuous output) and maximum output, these performance numbers all can be passed through controller local area network by entire car controller, and (Controller Area Network, CAN) bus reads.
Particularly, computing method to the best speed of a motor vehicle of current recommendation the max speed and current recommendation are as follows: S1, obtain the current recommendation optimal drive power (or current recommendation maximum drive power) of electric motor car, S2, obtain the current gradient resistance of electric motor car, S3, in the corresponding relation surface chart (as shown in Figure 7) of driving power and gradient resistance and recommended vehicle speed, according to current recommendation optimal drive power (or current recommendation maximum drive power) and the current gradient resistance of the electric motor car that obtains, inquiry obtains the best speed of a motor vehicle of current recommendation (or current recommendation the max speed).
When electric motor car was in pure power mode, current recommendation optimal drive power was: the sustainable discharge power P of battery
EnomWith the current sustainable output power P of motor
MnomThe minimum value that relatively draws.Wherein, P
Enom=(P
Batnom-P
Acc) * η
m, the av eff η of motor
mCan obtain the sustainable discharge power P of battery by the motor test report that motor manufacturer provides
BatnomCan utilize entire car controller to obtain by the running parameter that the CAN bus reads battery.The current consumed power P of the annex of electric motor car
AccComprise: air-conditioning power consumption power, rain brush power consumption power, sound equipment power consumption power etc., P
AccAnd P
MnomAll can utilize entire car controller to read by the CAN bus.
When electric motor car was in pure power mode, current recommendation maximum drive power was: the current maximum discharge power P of battery
EpeakCurrent peak power P with motor
MmaxThe minimum value that relatively draws.Wherein, P
Epeak=(P
Batpeak-P
Acc) * η
m, P
BatpeakCurrent maximum discharge power P for battery
Batmax, the battery of SOC output peak power limits value P
Socmax, current battery temperature is to the limits value P of battery output peak power
TbmaxMinimum value among the three.P
Batmax, SOC, current battery temperature can utilize entire car controller to obtain by the running parameter that the CAN bus reads battery.P
SocmaxCan be by SOC and P
SocmaxCorresponding relation curve map inquiry obtain.
When electric motor car is in when increasing the journey pattern, current recommendation optimal drive power is: P
ApurecWith P
MnomThe minimum value that relatively draws.Wherein, P
Apurec=(P
Apunom+ P
Socadd) * η
m, P
ApunomBe distance increasing unit generated output the most efficiently, P
SocaddBe distance increasing unit optimal power added value, P
ApunomCan utilize entire car controller to obtain by the running parameter that the CAN bus reads distance increasing unit.P
SocaddCan be by SOC and P
SocaddCorresponding relation curve map inquiry obtain.
When electric motor car is in when increasing the journey pattern, current recommendation maximum drive power is: P
ApurecmWith P
MmaxThe minimum value that relatively draws.Wherein, P
Apurecm=(P
Apumax+ P
Socaddm) * η
m, P
ApumaxPeak value generated output, P for distance increasing unit
SocaddmBe distance increasing unit peak power added value, P
SocaddmCan be by SOC and P
SocaddmCorresponding relation curve map inquiry obtain P
ApumaxCan utilize entire car controller to obtain by the running parameter that the CAN bus reads distance increasing unit.
Particularly, gradient resistance F
iFor: F
i=F
Veh-F
j-F
Fw, wherein, the acceleration resistance
Driving force on front vehicle wheel
δ be correction coefficient of rotating mass, m be the electric motor car kerb weight,
Be vehicle speed variation rate, i is that ratio of gear, r are that radius of wheel, η are transmission system efficient, T
mBe motor torque, it can utilize entire car controller to obtain by the running parameter that the CAN bus reads motor.
In addition, when the restricted speed fault appearred in the electric motor car parts, vehicle entered the restricted speed transport condition, and the vehicle speed of operation need be controlled in small range.Can be made as the best speed of a motor vehicle of current recommendation and current recommendation the max speed than low value this moment.For example, when detecting electromotor winding temperature and be higher than 140 ℃ or brake vacuum pressure when continuing to be higher than 0.8 atmospheric pressure, the electric motor car meeting enters the restricted speed malfunction, and can first speed of a motor vehicle be set to 20km/h this moment, and second speed of a motor vehicle is set to 30km/h.
Among the embodiment of the present utility model, by on speedometer, directly showing the best speed of a motor vehicle of current recommendation and current recommendation the max speed, thereby shown the current driving force of electric motor car intuitively to the driver, improved the driving of electric motor car and experienced, and provide guarantee for the safety traffic of electric motor car.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of within spirit of the present utility model and principle, doing, be equal to and replace and improvement etc., all should be included within the protection domain of the present utility model.
Claims (9)
1. a speedometer is characterized in that, comprising: characterize the real-time speed of a motor vehicle display module of the real-time speed of a motor vehicle of indication and the recommended vehicle speed display module that shows the best speed of a motor vehicle of current recommendation and current recommendation the max speed.
2. speedometer as claimed in claim 1 is characterized in that, described recommended vehicle speed display module is specially numerical value viewing area or the graphical display area that shows the best speed of a motor vehicle of described current recommendation and described current recommendation the max speed.
3. speedometer as claimed in claim 1, it is characterized in that, described real-time speed of a motor vehicle display module comprises: the real-time speed of a motor vehicle scale area and the real-time speed of a motor vehicle pointer that characterize the real-time speed of a motor vehicle of indication, described real-time speed of a motor vehicle pointer is used in described real-time speed of a motor vehicle scale area indication current vehicle speed, described recommended vehicle speed display module comprises: first pointer and second pointer, described first pointer is used for indicating the best speed of a motor vehicle of described current recommendation in described real-time speed of a motor vehicle scale area, and described second pointer is used for indicating described current recommendation the max speed in described real-time speed of a motor vehicle scale area.
4. speedometer as claimed in claim 1, it is characterized in that described recommended vehicle speed display module comprises: the recommended vehicle speed scale area, indicate the 3rd pointer of the best speed of a motor vehicle of described current recommendation and the 4th pointer of indicating described current recommendation the max speed in described recommended vehicle speed scale area in described recommended vehicle speed scale area.
5. speedometer as claimed in claim 1, it is characterized in that, described recommended vehicle speed display module comprises: recommended vehicle speed viewing area, first mark and second mark, described first mark is used for identifying the best speed of a motor vehicle of current recommendation in described recommended vehicle speed viewing area, described second mark is used for identifying current recommendation the max speed in described recommended vehicle speed viewing area, and described first mark and second mark are by different colours or brightness difference.
6. speedometer as claimed in claim 5, it is characterized in that, described real-time speed of a motor vehicle display module comprises: real-time speed of a motor vehicle pointer and ringwise real-time speed of a motor vehicle district, the described real-time speed of a motor vehicle is provided with real-time speed of a motor vehicle scale in the district, described real-time speed of a motor vehicle pointer is used in described real-time speed of a motor vehicle district indication current vehicle speed, and described recommended vehicle speed viewing area ringwise or rectangle.
7. speedometer as claimed in claim 6 is characterized in that, described recommended vehicle speed viewing area ringwise, described ringwise real-time speed of a motor vehicle district has the identical center of circle with described ringwise recommended vehicle speed viewing area.
8. as claim 1 or each described speedometer of 5-7, it is characterized in that, described recommended vehicle speed display module comprises: the recommended vehicle speed viewing area, described recommended vehicle speed viewing area comprises: recommend the speed of operation district, allow the hypervelocity district and do not recommend the speed of operation district, described recommendation speed of operation district is used for showing the vehicle speed range from default minimum speed of operation to the best speed of a motor vehicle of described current recommendation, described permission hypervelocity is distinguished the vehicle speed range that is used for showing from the best speed of a motor vehicle of described current recommendation to described current recommendation the max speed, and the described speed of operation district of not recommending is used for the vehicle speed range of demonstration from described current recommendation the max speed to default maximum speed of operation.
9. speedometer as claimed in claim 8, it is characterized in that, described recommendation speed of operation district is shown as first color, described permission hypervelocity district is shown as second color, the described speed of operation district of not recommending is shown as the 3rd color, and described first color, described second color and described the 3rd color have nothing in common with each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105642 CN203216934U (en) | 2013-03-07 | 2013-03-07 | Speedometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320105642 CN203216934U (en) | 2013-03-07 | 2013-03-07 | Speedometer |
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| Publication Number | Publication Date |
|---|---|
| CN203216934U true CN203216934U (en) | 2013-09-25 |
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ID=49206459
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| CN 201320105642 Expired - Fee Related CN203216934U (en) | 2013-03-07 | 2013-03-07 | Speedometer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554439A (en) * | 2014-12-25 | 2015-04-29 | 郑州宇通客车股份有限公司 | Dial pointer-type dynamic display method and rollover warning dynamic display method |
| US11866061B2 (en) * | 2021-09-01 | 2024-01-09 | Delphi Technologies Ip Limited | Systems and methods for vehicle propulsion recommendation |
-
2013
- 2013-03-07 CN CN 201320105642 patent/CN203216934U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104554439A (en) * | 2014-12-25 | 2015-04-29 | 郑州宇通客车股份有限公司 | Dial pointer-type dynamic display method and rollover warning dynamic display method |
| US11866061B2 (en) * | 2021-09-01 | 2024-01-09 | Delphi Technologies Ip Limited | Systems and methods for vehicle propulsion recommendation |
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