CN207333675U - A kind of shelves bit slice system and automobile - Google Patents
A kind of shelves bit slice system and automobile Download PDFInfo
- Publication number
- CN207333675U CN207333675U CN201720884229.5U CN201720884229U CN207333675U CN 207333675 U CN207333675 U CN 207333675U CN 201720884229 U CN201720884229 U CN 201720884229U CN 207333675 U CN207333675 U CN 207333675U
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- processor
- vehicle speed
- output terminal
- tcu
- value
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Abstract
The utility model, which provides a kind of shelves bit slice system and automobile, the system, to be included：Vehicle speed sensor, speed probe, processor, transmission control unit TCU and automatic transmission, the output terminal of the speed probe is connected with the first input end of the processor, the output terminal of the vehicle speed sensor is connected with the second input terminal of the processor, first output terminal of the processor is connected with the first input end of the TCU, second output terminal of the processor is connected with the second input terminal of the TCU, and the output terminal of the TUC is connected with the input of the automatic transmission.The utility model can limit automatic transmission gear when necessary, reduce the security risk of self shifter automobile.
Description
Technical field
It the utility model is related to automobile technical field, more particularly to a kind of shelves bit slice system and automobile.
Background technology
For general vehicle, the height of speed changer (also known as gearbox) gear directly affects the height of speed,
It is mainly reflected in, each gear is there are corresponding permission vehicle speed range, and gear is higher, and maximum allowable speed is higher, and gear is got over
Low, maximum allowable speed is lower.Current vehicle such as self shifter automobile, its gear is mainly by transmission control unit
(Transmission Control Unit, abbreviation TCU) is automatically adjusted according to the rotating speed and speed of engine, than
Such as in a certain gear, engine speed rise, vehicle speed value also can be raised accordingly, when rotating speed and speed raise to a certain extent
When, TCU also will accordingly heighten the gear of speed changer to match high engine speed and high speed.And the tachometer value of engine
Mainly determine that the tread-on quantity of i.e. accelerator pedal is more by the tread-on quantity of accelerator pedal (also known as gas pedal) with vehicle speed value, send out
Motivation tachometer value is higher, and vehicle speed value is also higher.And the torque that the tread-on quantity of accelerator pedal is applied by driver foot completely is big
Small decision.It follows that the torque size that the gear of current self shifter automobile is applied by driver foot determines.In general,
When driving automatic catch automobile in many situations, it is required to driver and has the torque size that foot applies control well with standard
Really control gear, and then regulation speed, are otherwise prone to accidents, influence personal safety.Such as in repair shop or parking lot
When being parked, place usually relatively narrower, if because driver is unfamiliar with vehicle or phychology is bad, so that the power that foot applies
It is improper that square is held, then be easy to cause that gear is excessive, and speed is too fast, produces collision；The personnel for such as begining to learn driving again drive automatic
During gearshift automobile, since the torque degree of control that it applies foot is excessively poor, thus easily make gear and speed too high or too low,
Or it is fluctuated, the traffic accident such as collide or knock into the back.So from the foregoing, it can be seen that due to current self shifter automobile
The torque size that gear is applied by driver foot determines, thus security risk is larger.
Utility model content
The utility model embodiment provides a kind of shelves bit slice system and automobile, with solve the gear of self shifter automobile by
The torque size that driver foot applies determines, thus the problem of security risk is larger.
The utility model embodiment provides a kind of shelves bit slice system, including：
Vehicle speed sensor, speed probe, processor, transmission control unit TCU and automatic transmission, the rotating speed pass
The output terminal of sensor is connected with the first input end of the processor, the output terminal of the vehicle speed sensor and the processor
Second input terminal connects, and the first output terminal of the processor is connected with the first input end of the TCU, and the of the processor
Two output terminals are connected with the second input terminal of the TCU, and the output terminal of the TUC is connected with the input of the automatic transmission.
The utility model embodiment additionally provides a kind of automobile, including the shelves bit slice system described in above-described embodiment.
In this way, the shelves bit slice system that the utility model embodiment provides, including：Vehicle speed sensor, speed probe, place
Manage device, transmission control unit TCU and automatic transmission, the first of the output terminal of the speed probe and the processor is defeated
Entering end connection, the output terminal of the vehicle speed sensor is connected with the second input terminal of the processor, and the first of the processor
Output terminal is connected with the first input end of the TCU, and the second output terminal of the processor connects with the second input terminal of the TCU
Connect, the output terminal of the TUC is connected with the input of the automatic transmission.Sent due to vehicle speed sensor and speed probe
Signal can be just passed in TCU after the processing of processor, so as to choosings of the restricted T CU to transmission gear when necessary
Select, so restricted speed, the security risk of reduction self shifter automobile.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing is briefly described needed in stating, it should be apparent that, drawings in the following description are only the utility model
Some embodiments, for those of ordinary skill in the art, without having to pay creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is one of structure chart of a kind of grade of bit slice system that the utility model embodiment provides；
Fig. 2 is the two of the structure chart for a kind of grade of bit slice system that the utility model embodiment provides；
Fig. 3 is a kind of flow chart for gear method for limiting that the utility model embodiment provides；
Fig. 4 is the citing logic chart for the gear method for limiting that the utility model embodiment provides.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that described embodiment is the utility model part of the embodiment, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 1, Fig. 1 is the structure chart for a kind of grade of bit slice system that the utility model embodiment provides, such as Fig. 1 institutes
Show, this grade of bit slice system includes：
Vehicle speed sensor 11, speed probe 12, processor 13, transmission control unit TCU14 and automatic transmission 15,
The output terminal of the speed probe 12 is connected with the first input end of the processor 13, the output of the vehicle speed sensor 11
End is connected with the second input terminal of the processor 13, the first output terminal of the processor 13 and the first of the TCU14 defeated
Enter end connection, the second output terminal of the processor 13 is connected with the second input terminal of the TCU14, the output of the TUC14
End is connected with the input of the automatic transmission 15.
Wherein, above-mentioned vehicle speed sensor 11 can be the various kinds of sensors for measuring the vehicle speed value of automobile.Above-mentioned rotating speed
Sensor 12 can be the various kinds of sensors for measuring engine flywheel tachometer value.Above-mentioned processor 13 can be used for car
Chip, computer or the equipment that the vehicle speed value and tachometer value that fast sensor and speed probe are transmitted are handled.Above-mentioned TCU
Can be used to send command adapted thereto to automatic transmission according to speed and rotating speed, to control the speed changer of A/T gear position
Control unit.
Optionally, as shown in Fig. 2, further including switch 16, the switch 16 includes the first plectrum 161 and the second plectrum 162,
When switching 16 and being in the first closure state, the output terminal of the speed probe 12 by first plectrum 161 with it is described
The first input end connection of processor 13, the output terminal of the vehicle speed sensor 11 pass through second plectrum 162 and the place
Manage the second input terminal connection of device 13；
When switch 16 is in the second closure state, the output terminal of the speed probe 12 passes through first plectrum
161 are connected with the first input end of the TCU14, the output terminal of the vehicle speed sensor 11 by second plectrum 162 with
The second input terminal connection of the TCU14.
Wherein, above-mentioned switch 16 can be double-pole double throw two-position switch.Above-mentioned first plectrum, 161 and second plectrum 162 can
To be that can be rotated around same shaft, so that above-mentioned switch 16 is in the first closure state or the second closure state.In this way, can
With optionally allow the vehicle speed value that vehicle speed sensor measures and the tachometer value that speed probe measures by the processing of processor again
TCU is reached, or is directly transferred in TCU, so as to adapt to more drive occasion, applicability is more preferable, and user experience is more preferably.
Optionally, as shown in Fig. 2, the first end of first plectrum 161 is connected with the output terminal of the speed probe 12, described
The first end of two plectrums 162 is connected with the output terminal of the vehicle speed sensor 11, when the switch is in the first closure state,
The second end of first plectrum 161 is connected with the first input end of the processor 13, the second end of second plectrum 162
It is connected with the second input terminal of the processor 13；
When the switch is in the second closure state, the second end of first plectrum 161 and the first of the TCU14
Input terminal connects, and the second end of second plectrum 162 is connected with the second input terminal of the TCU14.
Wherein, above-mentioned switch 16 can be double-pole double throw two-position switch.In this manner it is possible to select to allow vehicle speed sensor to measure
Vehicle speed value and the tachometer value that measures of speed probe pass through processor processing after be transferred to TCU or not by processor at
Reason is transferred directly to TCU, and so as to adapt to more drive occasion, the more preferable user experience of applicability is more preferable.
Optionally, the system further includes power supply, the vehicle speed sensor 11, speed probe 12, processor 13,
TCU14 and automatic transmission 15 are powered by the power supply respectively.
Wherein, above-mentioned vehicle speed sensor 11, speed probe 12, processor 13, TCU14 and automatic transmission 15 respectively by
The power supply power supply, can be that vehicle speed sensor 11, speed probe 12, processor 13, TCU14 and automatic transmission 15 are distinguished
It is connected to by respective power cord on automobile main power.
The shelves bit slice system that the utility model embodiment provides, can be applied to need to limit gear with restricted speed
Various occasions, to reduce security risk.For example, in the narrow place in space (such as repair shop or field of parking) when driving, it can adopt
Gear is limited in the low gear such as one grade or two gears with above-mentioned gear limitation system, so as to controlling speed in relatively low scope
It is interior, reduce because high speed traveling is being collided with caused by small space；In another example the personnel of driving are begun to learn in driving,
Gear can be limited in by bottom gear using above-mentioned shelves bit slice system, to keep running at a low speed, reduced because driving technology is not good enough
The occurrence probability of traffic accident caused by possible, in this regard, the utility model embodiment is not construed as limiting.
In the shelves bit slice system that the utility model embodiment provides, including：Vehicle speed sensor, speed probe, processing
Device, transmission control unit TCU and automatic transmission, the first input of the output terminal of the speed probe and the processor
End connection, the output terminal of the vehicle speed sensor are connected with the second input terminal of the processor, and the first of the processor is defeated
Outlet is connected with the first input end of the TCU, and the second output terminal of the processor connects with the second input terminal of the TCU
Connect, the output terminal of the TUC is connected with the input of the automatic transmission.Sent due to vehicle speed sensor and speed probe
Signal can be just passed in TCU after the processing of processor, so as to choosings of the restricted T CU to transmission gear when necessary
Select, so restricted speed, the security risk of reduction self shifter automobile.
The utility model embodiment provides a kind of automobile, including the shelves bit slice system in previous embodiment.
In this way, due to the shelves bit slice system in previous embodiment can limiting transmission gear when necessary, limit car
Speed, thus security risk can be reduced using the automobile of this grade of bit slice system so that security performance is more preferable.
Referring to Fig. 3, Fig. 3 is that the utility model embodiment provides a kind of flow chart of gear method for limiting, as shown in figure 3,
The gear method for limiting includes：
The tachometer value of step 101, speed probe measurement engine, and the tachometer value is transferred to processor；
Vehicle speed sensor measures the vehicle speed value of automobile, and the vehicle speed value is transferred to the processor；
Wherein, above-mentioned vehicle speed sensor can be the various kinds of sensors for measuring the vehicle speed value of automobile.Above-mentioned rotating speed passes
Sensor can be the various kinds of sensors for measuring engine flywheel tachometer value.Above-mentioned processor can be used to sense speed
Chip, computer or the equipment that the vehicle speed value and tachometer value that device and speed probe are transmitted are handled.It is above-mentioned described to turn
Fast value passes to processor, can be the first input end that tachometer value reaches processor from the output terminal of speed probe.It is above-mentioned
The vehicle speed value is transferred to the processor, can be that vehicle speed value reaches the second of processor from the output terminal of vehicle speed sensor
Input terminal.
Step 102, the processor judge whether the tachometer value is more than preset rotation speed threshold value, if the tachometer value is more than
The preset rotation speed threshold value, then be processed into the rotating speed of target value less than or equal to the preset rotation speed threshold value by the tachometer value,
And the rotating speed of target value is transferred to TCU；
The processor judges whether the vehicle speed value is more than preset vehicle speed threshold value, if the vehicle speed value is more than described preset
Speed threshold value, then be processed into the target vehicle speed value less than or equal to the preset vehicle speed threshold value by the vehicle speed value, and by described in
Target vehicle speed value is transferred to the TCU；
Wherein, above-mentioned preset rotation speed threshold value and above-mentioned preset vehicle speed threshold value, can be respectively automatic transmission gear in
The corresponding maximum permissible speed value of one of gear and maximum allowable vehicle speed value, if for example, A/T gear position includes
One to five grade, wherein, the corresponding maximum permissible speed value of second gear is 1200 revs/min, the corresponding maximum allowable car of second gear
Speed value is 30 kilometers/hour, then preset rotation speed threshold value is 1200 revs/min, and preset vehicle speed threshold value is 30 kilometers/hour.Referring to
Fig. 4, it is above-mentioned that the tachometer value is processed into the rotating speed of target value less than or equal to the preset rotation speed threshold value, can be to rotating speed
Value does once or several times that division arithmetic (can be with tachometer value divided by a default numerical value, the default numerical value
1.5), each computing later judges the business obtained by computing, until the business obtained by computing is less than or equal to preset rotation speed
Threshold value, then stop computing, and this is less than or equal to the business of preset rotation speed threshold value as rotating speed of target value.It is above-mentioned referring to Fig. 4
The vehicle speed value is processed into the target vehicle speed value less than or equal to the preset vehicle speed threshold value, can be that vehicle speed value is done once
Or division arithmetic (can be 4) each computing i.e. with vehicle speed value divided by a default numerical value, the default numerical value several times
Later the business obtained by computing is judged, until the business obtained by computing is less than or equal to preset vehicle speed threshold value, then stopping is transported
Calculate, and this is less than or equal to the business of preset vehicle speed threshold value as target vehicle speed value.It is above-mentioned to transmit the rotating speed of target value
Can be the first input end that rotating speed of target value reaches TCU from the first output terminal of processor to TCU.It is above-mentioned by the target
Vehicle speed value is transferred to the TCU, can be the second input terminal that target vehicle speed value reaches TCU from the second output terminal of processor.
It should be noted that as shown in figure 4, if above-mentioned processor judges that above-mentioned tachometer value is less than or equal to preset rotation speed threshold value,
Then above-mentioned processor reaches TCU without handling above-mentioned tachometer value as rotating speed of target value；Equally, if above-mentioned place
Reason device judges that above-mentioned vehicle speed value is less than or equal to preset vehicle speed threshold value, then above-mentioned processor is not handled above-mentioned vehicle speed value
Just TCU is reached as target vehicle speed value.
Step 103, the TCU are according to pair between the gear of the tachometer value, vehicle speed value and the automatic transmission that obtain in advance
Should be related to, by automatic transmission control with the rotating speed of target value and the corresponding gear of target vehicle speed value.
Wherein, the correspondence between the gear of above-mentioned tachometer value, vehicle speed value and automatic transmission, can refer to become automatically
The corresponding tachometer value allowed band of each gear of fast device and corresponding vehicle speed value allowed band.It is above-mentioned to limit automatic transmission
System with the rotating speed of target value and the corresponding gear of target vehicle speed value, can be that TCU finds rotating speed of target value and target
The corresponding gear of vehicle speed value, and transmit command adapted thereto to the input terminal of automatic transmission, automatic transmission from the output terminal of TCU and connect
After the command adapted thereto for receiving TCU, the instruction in execute instruction controls gear corresponding with rotating speed of target value and target vehicle speed value
Gear.
It is second gear (it is assumed that second gear is maximum allowable turn corresponding to be worth corresponding gear using rotating speed of target value and target vehicle speed
Speed value is 1200 revs/min, and maximum allowable vehicle speed value is 30 kilometers/hour) for example, including the following steps：
The tachometer value of speed probe measurement engine is 1700 revs/min, and the tachometer value is passed to processor；
The vehicle speed value of vehicle speed sensor measurement automobile is 48 kilometers/hour, and the vehicle speed value is transferred to the processor；
Processor judges that above-mentioned tachometer value is more than 1200 revs/min of preset rotation speed threshold value, thus by above-mentioned 1700 turns of tachometer value/
Minute divided by 1.5 obtain business as 1133 revs/min, be transferred to TCU using 1133 revs/min of business as rotating speed of target value；
Processor judges that above-mentioned vehicle speed value is more than 30 kilometers/hour of preset rotation speed threshold value, thus by above-mentioned 48 kilometers of vehicle speed value/
Hour divided by 4 obtain business as 12 kilometers/hour, be transferred to TCU using 12 kilometers/hour of business as target vehicle speed value；
TCU, will be automatic according to the correspondence between the gear of the tachometer value, vehicle speed value and the automatic transmission that obtain in advance
Transmission control is in two gear corresponding with 12 kilometers/hour of 1133 revs/min of the rotating speed of target value and the target vehicle speed value.
The gear method for limiting that the utility model embodiment provides, can be applied to need to limit gear with restricted speed
Various occasions, to reduce security risk.For example, in the narrow place in space (such as repair shop or field of parking) when driving, Ke Yitong
Cross above-mentioned gear method for limiting and gear is limited in the low gear such as one grade or two gears, so as to controlling speed in relatively low scope
It is interior, reduce because high speed traveling is being collided with caused by small space；In another example the personnel of driving are begun to learn in driving,
Gear can be limited in by bottom gear by above-mentioned gear method for limiting, to keep running at a low speed, reduced because driving technology is not good enough
The occurrence probability of traffic accident caused by possible, in this regard, the utility model embodiment is not construed as limiting.
Gear method for limiting in the utility model embodiment, including：Speed probe measures the tachometer value of engine, and
The tachometer value is transferred to processor；Vehicle speed sensor measures the vehicle speed value of automobile, and the vehicle speed value is transferred to described
Processor；The processor judges whether the tachometer value is more than preset rotation speed threshold value, if the tachometer value is more than described preset
Rotary speed threshold value, then be processed into the rotating speed of target value less than or equal to the preset rotation speed threshold value by the tachometer value, and by described in
Rotating speed of target value is transferred to TCU；The processor judges whether the vehicle speed value is more than preset vehicle speed threshold value, if the vehicle speed value
More than the preset vehicle speed threshold value, then the vehicle speed value is processed into the target vehicle speed less than or equal to the preset vehicle speed threshold value
Value, and the target vehicle speed value is transferred to the TCU；The TCU becomes according to the tachometer value, the vehicle speed value that obtain in advance with automatic
Correspondence between the gear of fast device, by automatic transmission control with the rotating speed of target value and the target vehicle speed value pair
The gear answered.The tachometer value of vehicle speed value and engine is processed into less than or equal to preset vehicle speed threshold value respectively due to processor and
The target vehicle speed value and rotating speed of target value of preset rotation speed threshold value, then TCU is reached to adjust gear, thus can limit when necessary
Selections of the TCU to transmission gear, and then restricted speed, reduce the security risk of self shifter automobile.
The above, is only specific embodiment of the present utility model, but the scope of protection of the utility model is not limited to
In this, any one skilled in the art can readily occur in change in the technical scope that the utility model discloses
Or replace, it should be covered within the scope of the utility model.Therefore, the scope of protection of the utility model should be wanted with right
Subject to the protection domain asked.
Claims (6)
- A kind of 1. grade bit slice system, it is characterised in that including：Vehicle speed sensor, speed probe, processor, speed changer control Unit TCU processed and automatic transmission, the output terminal of the speed probe is connected with the first input end of the processor, described The output terminal of vehicle speed sensor is connected with the second input terminal of the processor, the first output terminal of the processor with it is described The first input end connection of TCU, the second output terminal of the processor are connected with the second input terminal of the TCU, the TCU's Output terminal is connected with the input of the automatic transmission.
- 2. system according to claim 1, it is characterised in that further include switch, the switch includes the first plectrum and the Two plectrums, when switch is in the first closure state, the output terminal of the speed probe by first plectrum with it is described The first input end connection of processor, the output terminal of the vehicle speed sensor pass through second plectrum and the processor the Two input terminals connect；When switch is in the second closure state, the output terminal of the speed probe passes through first plectrum and the TCU First input end connection, the output terminal of the vehicle speed sensor passes through the second input terminal of second plectrum and the TCU Connection.
- 3. system according to claim 2, it is characterised in that the first end of first plectrum and the speed probe Output terminal connection, the first end of second plectrum is connected with the output terminal of the vehicle speed sensor, when described switch is in During the first closure state, the second end of first plectrum is connected with the first input end of the processor, second plectrum Second end be connected with the second input terminal of the processor；When the switch is in the second closure state, the second end of first plectrum connects with the first input end of the TCU Connect, the second end of second plectrum is connected with the second input terminal of the TCU.
- 4. the system according to Claims 2 or 3, it is characterised in that the switch is double-pole double throw two-position switch.
- 5. system according to claim 1, it is characterised in that further include power supply, the vehicle speed sensor, revolution speed sensing Device, processor, TCU and automatic transmission are powered by the power supply respectively.
- 6. a kind of automobile, it is characterised in that including the shelves bit slice system as described in claim 1 to 5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720884229.5U CN207333675U (en) | 2017-07-20 | 2017-07-20 | A kind of shelves bit slice system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720884229.5U CN207333675U (en) | 2017-07-20 | 2017-07-20 | A kind of shelves bit slice system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207333675U true CN207333675U (en) | 2018-05-08 |
Family
ID=62377484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720884229.5U Withdrawn - After Issue CN207333675U (en) | 2017-07-20 | 2017-07-20 | A kind of shelves bit slice system and automobile |
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| Country | Link |
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| CN (1) | CN207333675U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314105A (en) * | 2017-07-20 | 2017-11-03 | 北京汽车研究总院有限公司 | A kind of shelves bit slice system, automobile and gear method for limiting |
-
2017
- 2017-07-20 CN CN201720884229.5U patent/CN207333675U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107314105A (en) * | 2017-07-20 | 2017-11-03 | 北京汽车研究总院有限公司 | A kind of shelves bit slice system, automobile and gear method for limiting |
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