CN101749412B - Electric gear-shifting device with balanced bridge - Google Patents
Electric gear-shifting device with balanced bridge Download PDFInfo
- Publication number
- CN101749412B CN101749412B CN200810186192A CN200810186192A CN101749412B CN 101749412 B CN101749412 B CN 101749412B CN 200810186192 A CN200810186192 A CN 200810186192A CN 200810186192 A CN200810186192 A CN 200810186192A CN 101749412 B CN101749412 B CN 101749412B
- Authority
- CN
- China
- Prior art keywords
- resistance
- signal output
- output part
- signal
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The invention relates to an electric gear-shifting device with a balanced bridge, which comprises a signal input stage, a balanced bridge circuit and a signal output stage. The signal input stage comprises a gear-up signal input end and a gear-down signal input end, the gear-up signal input end is connected with a first resistor in series, and the gear-down signal input end is connected with a second resistor in series. The balanced bridge circuit comprises a third resistor, a fourth resistor and a fifth resistor; the third resistor is bridged between the first resistor and the second resistor, the fourth resistor is connected between the first resistor and the ground, and the fifth resistor is connected between the second resistor and the ground. The signal output stage comprises a gear-up signal output end and a gear-down signal output end, the gear-up signal output end is connected with the first resistor in series, and the gear-down signal output end is connected with the second resistor in series.
Description
Technical field
The present invention relates to a kind of electric gear-shifting device of tool balancing bridge; Especially the analog electric gear-shifting device that relates to a kind of tool balancing bridge; Difference through input up-down shelves signal; Make analog gearshift produce the accurate position of different voltages with different, can effectively improve conventional digital formula gearshift, can reduce shift time, promote the gear shift smoothness, improve system dependability and stability because of while false touch up-down gear causes the shortcoming of gear shift mistake.
Background technique
Tradition gear shift vehicle circuit design with two same circuits devices, utilizes indivedual input voltage signals to judge whether gear, the circuit framework 10 of figure shift (FIGS) system in the past as shown in Figure 1, input end T
1, T
2Voltage is+5V (volt) during connection, and voltage is 0V during open circuit; U is hysteresis circuit (Schmitt-Trigger inverter), and analogue signal can become digital signal through this circuit conversion, the pattern output with 0 or 1, output terminal O
1, O
2The central processing unit (CPU) that then is sent to system with the digital signal pattern is reached the desired order of system.As input end T
1, T
2During connection, can obtain output terminal O respectively
1, O
2The signal of end is 1, otherwise signal is 0.But the central processing unit proper functioning is in input end T
1, T
2During indivedual the connection, i.e. T
1=5V, T
2=0V or T
1=0V, T
2During=5V; With electronic gear change system, as input end T
1Conducting and input end T
2During open circuit, be the state of upgrading, otherwise, then be the state of lowering category.Switch the gear button as if driving to press simultaneously unintentionally, the situation of input voltage simultaneously takes place, at this moment the input terminal voltage T of circuitry
1=T
2=5V, output terminal O
1, O
2All can transmit 1 signal and give central processing unit, cause controller for shifting can't judge that what person's signal for true, causes Vehicular system to produce misoperation.
In addition, when utilizing digital gearshift to judge the up-down shelves, when status input signal changed, central processing unit usually can receive the signal of jump (de-bouncing) phenomenon, and was as shown in Figure 2.If do not set retard time, central processing unit can receive the digital signal of concussion up and down, and its vibration frequency is along with gear change system and circuit specification and different, and therefore, controller must suitably be set retard time to obtain the stationary signal after the concussion; If retard time is long, then can reduce the speed of response of system, otherwise this oscillator signal will influence smoothness and gear shift opportunity of Vehicular shift.
With regard to previous patent; TaiWan, China utility model patent bulletin M285482 number " the electronic button of electric vehicle advance gearshift " for example; This device is arranged on the power box of electric vehicle; And combine with the axostylus axostyle of this power box that stretches through out, make and can utilize button to reach electric operating gear shift effect in the vehicle forward motion.TaiWan, China utility model patent bulletin M270938 number " electric vehicle advance gear shift differential mechanism " is to utilize drive motor, gear-box and gear shift controlling rod to design the gear shift differential mechanism, speeds the electric vehicle travelling speed of advancing.No. 551213 " gearshift mechanism of electric motor car " of TaiWan, China utility model patent bulletin; It is the guide device of borrowing in the gearshift mechanism to be designed; Operating stem according to the path rotary oscillation; The clockwise and anticlockwise of switching controls motor and the height of speed, make retreat shelves can only be with low speed driving, the danger of avoiding child's electric motor car to retreat at a high speed.
Aspect U. S. Patent, No. 7228752 " Structure of a gearbox for all terrainvehicles ", it is to the beach buggy gear change system; Improve its gear box structure; Make in controlling process, additional torque and power are provided in good time, the engine usefulness that increases.No. 7367420 " All terrainvehicle having a rider interface for electronic or mechanicalshifting "; Be that design beach buggy gearshift is on the handle of the left and right sides; And its handle distinguished with difformity; When the person of avoiding the use of wore gloves operation with traditional gear shift button, the situation of false touch took place.
Taking a broad view of above-mentioned existing patent both at home and abroad, no matter on design of hardware and software, is main with improvement gearshift mechanism and efficient all, does not have any discussion for its inside shift circuit.
Summary of the invention
Because the shortcoming of existing technology; The technical problem that the present invention will solve is the electric gear-shifting device that proposes a kind of tool balancing bridge; Difference through input up-down shelves signal; Make analog gearshift produce the accurate position of different voltages with different, can effectively improve conventional digital formula gearshift, can reduce shift time, promote the gear shift smoothness, improve system dependability and stability because of while false touch up-down gear causes the shortcoming of gear shift mistake.
In order to solve the problems of the technologies described above; The present invention proposes a kind of electric gear-shifting device of tool balancing bridge; Comprise a signal input stage, a null-type bridge circuit and a signal output stage; This signal input stage comprises signal input part and a signal input part that lowers category that upgrades, and this signal input part that upgrades is connected in series with one first resistance, and this signal input part that lowers category is connected in series with one second resistance; This null-type bridge circuit comprises one the 3rd resistance, one the 4th resistance and one the 5th resistance; The 3rd resistance cross-over connection is between this first resistance and second resistance; The 4th resistance is connected between this first resistance and the ground, and the 5th resistance is connected between this second resistance and the ground; This signal output stage comprises signal output part and a signal output part that lowers category that upgrades, and this signal output part that upgrades is connected in series with this first resistance, and this signal output part that lowers category is connected in series with this second resistance.
The electric gear-shifting device of above-mentioned tool balancing bridge, its characteristics be, upgrade signal output part and the signal output part that lowers category of this signal output stage are connected to a protective circuit.
The electric gear-shifting device of above-mentioned tool balancing bridge; Its characteristics are; This protective circuit that is connected in the signal output part that upgrades comprises one first diode, one second diode and one first electric capacity; This first diode is connected to this and upgrades between a signal output part and the positive supply, and this second diode and this first electric capacity are connected to and upgrade between signal output part and the ground; And; This protective circuit that is connected in the signal output part that lowers category comprises one the 3rd diode, one the 4th diode and one second electric capacity; The 3rd diode is connected to this and lowers category between a signal output part and the positive supply, and the 4th diode and this second electric capacity are connected to this and lower category between signal output part and the ground.
The electric gear-shifting device of above-mentioned tool balancing bridge, its characteristics are that this first resistance is identical with the resistance value of second resistance.
The electric gear-shifting device of above-mentioned tool balancing bridge, its characteristics are that this first resistance is identical with the material that second resistance adopts.
The electric gear-shifting device of above-mentioned tool balancing bridge, its characteristics are that the resistance value of the 3rd resistance, the 4th resistance and the 5th resistance is identical.
The electric gear-shifting device of above-mentioned tool balancing bridge, its characteristics are that the material that the 3rd resistance, the 4th resistance and the 5th resistance adopt is identical.
The electric gear-shifting device of above-mentioned tool balancing bridge, its characteristics are that the input pattern signal of this signal input stage is to adopt push-button switch.
The present invention provides the electric gear-shifting device of tool balancing bridge; With balancing bridge as gearshift; And its operation signal is analog, can suppress to shake effect, through the difference of input up-down shelves signal; Make analog gearshift produce the accurate position of different voltages with different; Can effectively improve conventional digital formula gearshift because of while false touch up-down gear causes the shortcoming of gear shift mistake, can reduce shift time, promote the gear shift smoothness, improve system dependability and stability, be applicable to shift circuit and correlative technology field especially with electronic gear shift function vehicle.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is the circuit framework figure of existing figure shift (FIGS) system;
Fig. 2 is the jump curve synoptic diagram of existing figure shift (FIGS) circuit;
Fig. 3 is the circuit framework figure of the embodiment of the invention;
Fig. 4 is the comparison sheet of the embodiment of the invention and virtual voltage measuring value.
Wherein, reference character:
The circuit framework of the existing figure shift (FIGS) system of 10-
The electric gear-shifting device of 20-tool balancing bridge
21a, 21b-protective circuit
22-ground
The A-signal input part that upgrades
The B-signal input part that lowers category
C
1-the first electric capacity
C
2-the second electric capacity
D
1-the first diode
D
2-the second diode
D
3-Di three diodes
D
4-Di four diodes
F
1-signal output part upgrades
F
2-signal output part lowers category
R
1-the first resistance
R
2-the second resistance
R
3-Di three resistance
R
4-Di four resistance
R
5-Di five resistance
Embodiment
Below will be with reference to describing the present invention with accompanying drawing for reaching employed technological means of purpose and effect, and cited embodiment is merely aid illustration in the following accompanying drawing.
See also shown in Figure 3; The electric gear-shifting device 20 of a kind of tool balancing bridge provided by the present invention; It comprises a signal input stage, and this signal input stage comprises signal input part A and the signal input part B that lowers category that upgrades, this upgrade signal input part A and one first resistance R
1Serial connection, this lower category signal input part B and one second resistance R
2Serial connection, this input pattern signal that upgrades the signal input part A and the signal input part B that lowers category can adopt push-button switch, this first resistance R
1And second resistance R
2Resistance value identical and material that adopt is identical; The electric gear-shifting device 20 of this tool balancing bridge comprises a null-type bridge circuit again, and this null-type bridge circuit comprises one the 3rd resistance R
3, one the 4th resistance R
4And one the 5th resistance R
5, the 3rd resistance R
3Cross-over connection is in this first resistance R
1And second resistance R
2Between, in order to isolate this first resistance R
1And second resistance R
2Voltage, the 4th resistance R
4Be connected in this first resistance R
1And between the ground 22, the 5th resistance R
5Be connected in this second resistance R
2And between the ground 22, the 3rd resistance R
3, the 4th resistance R
4And the 5th resistance R
5Resistance value identical and material that adopt is identical, to increase the degree of accuracy that signal is judged.
Secondly, the electric gear-shifting device 20 of this tool balancing bridge comprises a signal output stage again, and this signal output stage comprises the signal output part F that upgrades
1And the signal output part F that lowers category
2, this signal output part F that upgrades
1With this first resistance R
1Serial connection, this signal output part F that lowers category
2With this second resistance R
2Serial connection is by this signal output part F that upgrades
1And the signal output part F that lowers category
2Be in order to voltage signal being sent to central processing unit (CPU), again by central processing unit according to the gear shift of voltage signal setting controller; In addition, this signal output part F that upgrades
1And the signal output part F that lowers category
2Be connected to a protective circuit 21a, 21b, with this signal output part F that upgrades
1, this protective circuit 21a comprises one first diode D
1, one second diode D
2And one first capacitor C
1, this first diode D
1Be connected to this signal output part F that upgrades
1And between the positive supply, this positive supply of present embodiment is+5V (volt) this second diode D
2With this first capacitor C
1Be connected to this signal output part F that upgrades
1And between the ground 22, in addition, this protective circuit 21b comprises one the 3rd diode D
3, one the 4th diode D
4And one second capacitor C
2, the 3rd diode D
3Be connected to this signal output part F that lowers category
2And between the positive supply, this positive supply is+5V (volt) the 4th diode D
4With this second capacitor C
2Be connected to this signal output part F that lowers category
2And between the ground 22, this protective circuit 21a, 21b are the situation generations that is used to suppress surge signal damage central processing unit or misoperation, this first capacitor C
1And this second capacitor C
2Can reduce System noise.
In the embodiment shown in fig. 3; This upgrade signal input part A and the signal input part B that lowers category are+5V (volt) when connecting; Be open circuit when closing, below respectively by the variation of this upgrade the signal input part A and the signal input part B input voltage that lowers category, mathematical derivation goes out this signal output part F that upgrades
1And the signal output part F that lowers category
2Terminal voltage change four kinds of situations:
(1): the signal input part A that upgrades connects+the 5` open circuit
(2): the signal input part A that upgrades open circuit, the signal input part B that lowers category connects+5V
(3): upgrade the signal input part A and the signal input part B that lowers category connect+5V simultaneously
Utilize principle of superposition (superposition) to calculate the voltage of this upgrade the signal input part A and the signal input part B that lowers category respectively, wherein,
Signal output part F upgrades
1Terminal voltage=signal output part F lowers category
2Terminal voltage
(4): upgrade the signal input part A and the signal input part B that lowers category open a way simultaneously
Signal output part F upgrades
1Terminal voltage=signal output part F lowers category
2Terminal voltage=0
Learn that through above-mentioned four kinds of situations this upgrade signal input part A and the signal input part B that lowers category be through under the different control input signals, resultant this signal output part F that upgrades
1With the signal output part F that lowers category
2Terminal voltage also different relatively, according to this signal output part F that upgrades
1With the signal output part F that lowers category
2The variation characteristic of terminal voltage can reach the gear shift purpose.When central processing unit receives the different voltages with different signal, can set controller for shifting and operate according to above-mentioned four kinds of situations, situation (1) is a shift-up action; Situation (2) is a shift-down action; Situation (3) just system produces the situation of voltage simultaneously, and situation (4) is not for importing any magnitude of voltage, and situation (3) can be set for and situation (4) equal state; Be the present operating state of maintenance system, do not carry out gear shift.According to the circuit framework among Fig. 3, the present invention utilizes the different output voltage situation to set the gear shift action, even input signal simultaneously takes place, also can avoid the gear change system misoperation because of the difference of output voltage.
Theoretical for checking circuitry of the present invention, with the circuit analysis of actual gear change system, and utilize aforementioned numerical value of deriving to testify, to confirm the feasibility of circuitry of the present invention.Suppose this first resistance R
1Resistance value is 100 Ω (Ao Mu), second resistance R
2Resistance value is 510 Ω (Ao Mu), and the capacitance of capacitor C is 0.1 μ F/50V, in the above-mentioned mathematical derivation formula of correlation values substitution, can draw this signal output part F that upgrades
1And the signal output part F that lowers category
2Terminal voltage change four kinds of situations:
(1): the signal input part A that upgrades connects+5V, the signal input part B that lowers category open circuit
(2): the signal input part A that upgrades open circuit, the signal input part B that lowers category connects+5V
(3): upgrade the signal input part A and the signal input part B that lowers category connect simultaneously+the 5V signal output part F that upgrades
1Terminal voltage=signal output part F lowers category
2Terminal voltage
(4): upgrade the signal input part A and the signal input part B that lowers category open a way simultaneously
Signal output part F upgrades
1Terminal voltage=signal output part F lowers category
2Terminal voltage=0
According to the actual measurement of above-mentioned four kinds of situations magnitude of voltage of the present invention; As shown in Figure 4; The theoretical voltage value and the actual voltage value of mathematical derivation are very approaching, prove that the electric gear-shifting device framework of tool balancing bridge proposed by the invention has feasibility, therefore; When side circuit is used, can determine whether carrying out gear shift according to above-mentioned explanation; With above-mentioned mathematical derivation embodiment, as the signal output part F that upgrades
1And the signal output part F that lowers category
2Terminal voltage equal 4.264 or simultaneously at 0 o'clock; After central processing unit receives signal, can not carry out the gear shift action, also promptly the electric gear-shifting device of this tool balancing bridge keeps present range state; Otherwise, as the received signal output part F that upgrades of central processing unit
1And the signal output part F that lowers category
2Terminal voltage when not waiting, then can carry out the gear shift action of setting.
In sum; The present invention provides the electric gear-shifting device of tool balancing bridge, and as gearshift, and its operation signal is analog with balancing bridge; Can suppress to shake effect; Through the difference of input up-down shelves signal, make analog gearshift produce the accurate position of different voltages with different, can effectively improve conventional digital formula gearshift causes the gear shift mistake because of while false touch up-down gear shortcoming; Can reduce shift time, promote the gear shift smoothness, improve system dependability and stability, be applicable to shift circuit and correlative technology field especially with electronic gear shift function vehicle.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection domain of claim of the present invention.
Claims (8)
1. the electric gear-shifting device of a tool balancing bridge, it includes:
One signal input stage, it comprises signal input part and a signal input part that lowers category that upgrades, and this signal input part that upgrades is connected in series with one first resistance, and this signal input part that lowers category is connected in series with one second resistance;
One null-type bridge circuit; It comprises one the 3rd resistance, one the 4th resistance and one the 5th resistance; The 3rd resistance cross-over connection is between this first resistance and second resistance, and the 4th resistance is connected between this first resistance and the ground connection, and the 5th resistance is connected between this second resistance and the ground connection; And
One signal output stage, it comprises signal output part and a signal output part that lowers category that upgrades, and this signal output part that upgrades is connected in series with this first resistance, and this signal output part that lowers category is connected in series with this second resistance.
2. the electric gear-shifting device of tool balancing bridge as claimed in claim 1 is characterized in that, upgrade signal output part and the signal output part that lowers category of this signal output stage are connected with the different protection circuit respectively.
3. the electric gear-shifting device of tool balancing bridge as claimed in claim 2 is characterized in that,
This protective circuit that is connected in the signal output part that upgrades comprises one first diode, one second diode and one first electric capacity; This first diode is connected to this and upgrades between a signal output part and the positive supply, and this second diode and this first electric capacity are parallel to and upgrade between signal output part and the ground; And
This protective circuit that is connected in the signal output part that lowers category comprises one the 3rd diode, one the 4th diode and one second electric capacity; The 3rd diode is connected to this and lowers category between a signal output part and the positive supply, and the 4th diode and this second electric capacity are parallel to this and lower category between signal output part and the ground.
4. the electric gear-shifting device of tool balancing bridge as claimed in claim 1 is characterized in that, this first resistance is identical with the resistance value of second resistance.
5. the electric gear-shifting device of tool balancing bridge as claimed in claim 4 is characterized in that, this first resistance is identical with the material that second resistance adopts.
6. the electric gear-shifting device of tool balancing bridge as claimed in claim 1 is characterized in that, the resistance value of the 3rd resistance, the 4th resistance and the 5th resistance is identical.
7. the electric gear-shifting device of tool balancing bridge as claimed in claim 6 is characterized in that, the material that the 3rd resistance, the 4th resistance and the 5th resistance adopt is identical.
8. the electric gear-shifting device of tool balancing bridge as claimed in claim 1 is characterized in that, the input pattern signal of this signal input stage is to adopt push-button switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810186192A CN101749412B (en) | 2008-12-19 | 2008-12-19 | Electric gear-shifting device with balanced bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810186192A CN101749412B (en) | 2008-12-19 | 2008-12-19 | Electric gear-shifting device with balanced bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101749412A CN101749412A (en) | 2010-06-23 |
| CN101749412B true CN101749412B (en) | 2012-10-03 |
Family
ID=42476848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810186192A Active CN101749412B (en) | 2008-12-19 | 2008-12-19 | Electric gear-shifting device with balanced bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101749412B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109826944A (en) * | 2018-12-14 | 2019-05-31 | 华侨大学 | A kind of gear position sensor of Honda CBR600 engine |
| CN113533818B (en) * | 2021-07-20 | 2024-01-09 | 西安龙飞电气技术有限公司 | Dynamic unbalanced bridge detection circuit based on active vibration reduction network |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073203A (en) * | 1974-10-11 | 1978-02-14 | Robert Bosch Gmbh | Electronic transmission gear change control system |
| US4386687A (en) * | 1979-06-13 | 1983-06-07 | Regie Nationale Des Usines Renault | Electronic device controlling the bridging or locking of a hydrodynamic torque converter and method of application |
| US4967385A (en) * | 1987-05-29 | 1990-10-30 | J.I. Case Company | Electronic control system for powershift transmission |
| DE10143324A1 (en) * | 2001-09-05 | 2003-04-03 | Zahnradfabrik Friedrichshafen | Position detection device for automated gearbox derives absolute position for shift element from measured current of electric motor and compares with defined absolute position |
| US7228752B2 (en) * | 2005-03-22 | 2007-06-12 | Kwang Yang Motor Co., Ltd. | Structure of a gearbox for all terrain vehicles |
| US7367420B1 (en) * | 2004-12-13 | 2008-05-06 | Polaris Industries Inc. | All terrain vehicle (ATV) having a rider interface for electronic or mechanical shifting |
-
2008
- 2008-12-19 CN CN200810186192A patent/CN101749412B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4073203A (en) * | 1974-10-11 | 1978-02-14 | Robert Bosch Gmbh | Electronic transmission gear change control system |
| US4386687A (en) * | 1979-06-13 | 1983-06-07 | Regie Nationale Des Usines Renault | Electronic device controlling the bridging or locking of a hydrodynamic torque converter and method of application |
| US4967385A (en) * | 1987-05-29 | 1990-10-30 | J.I. Case Company | Electronic control system for powershift transmission |
| DE10143324A1 (en) * | 2001-09-05 | 2003-04-03 | Zahnradfabrik Friedrichshafen | Position detection device for automated gearbox derives absolute position for shift element from measured current of electric motor and compares with defined absolute position |
| US7367420B1 (en) * | 2004-12-13 | 2008-05-06 | Polaris Industries Inc. | All terrain vehicle (ATV) having a rider interface for electronic or mechanical shifting |
| US7228752B2 (en) * | 2005-03-22 | 2007-06-12 | Kwang Yang Motor Co., Ltd. | Structure of a gearbox for all terrain vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101749412A (en) | 2010-06-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201769689U (en) | Electronic transmission and automotive vehicle | |
| CN106641231B (en) | Line traffic control selector gear self-learning method, system and line traffic control selector system | |
| CN102606726B (en) | Neutral gear pre-engaging control device of automobile synchronizer | |
| CN103557317B (en) | Electronic gear shifter | |
| CN101749412B (en) | Electric gear-shifting device with balanced bridge | |
| CN203335820U (en) | Control module of automatic automobile shifting device and corresponding automatic automobile shifting device | |
| CN107985301A (en) | Shifting system and upshift process for gear based on hybrid power system | |
| CN102758912A (en) | Gear shift system for electric vehicle | |
| CN105203321A (en) | Device and method for detecting speed changer | |
| CN106838293A (en) | A kind of electric motor car automatic gear shift apparatus and method | |
| CN101943228B (en) | Clutch closed-loop control system of double clutch gearbox and control method thereof | |
| CN106321809B (en) | The fault detection method and device of double-clutch automatic gearbox | |
| CN201584404U (en) | Non-polar 485 chip | |
| CN202719121U (en) | Electromagnet automatic gear shifting device of electric vehicle | |
| CN210920075U (en) | Gearbox capable of automatically shifting gears | |
| CN202612601U (en) | Gear recognition device of automobile five-gear manual transmission | |
| CN206919831U (en) | A kind of angular transducer and vehicle | |
| CN108501767A (en) | A kind of pure electric vehicle | |
| CN203258047U (en) | Linear moving type speed change control mechanism | |
| CN102012208B (en) | Magnetic field position sensor | |
| CN113820528A (en) | Wide voltage range automatic gear shifting circuit for passive secondary loop checking meter | |
| CN209262225U (en) | The signal acquisition circuit of automobile shift sensor control panel | |
| CN201408014Y (en) | Hall gear sensor | |
| TWI361564B (en) | The balanced bridge electric gear shift mechanism | |
| CN103410961A (en) | Interlocking type gear shifting device of electric automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |