CN112096856A - Selector circuit and selector - Google Patents
Selector circuit and selector Download PDFInfo
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- CN112096856A CN112096856A CN202011099913.5A CN202011099913A CN112096856A CN 112096856 A CN112096856 A CN 112096856A CN 202011099913 A CN202011099913 A CN 202011099913A CN 112096856 A CN112096856 A CN 112096856A
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- 239000003990 capacitor Substances 0.000 claims description 39
- 238000010586 diagram Methods 0.000 description 6
- 230000005611 electricity Effects 0.000 description 5
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
- F16H59/0204—Selector apparatus for automatic transmissions with means for range selection and manual shifting, e.g. range selector with tiptronic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/40—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism comprising signals other than signals for actuating the final output mechanisms
- F16H63/42—Ratio indicator devices
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electronic Switches (AREA)
Abstract
The invention provides a shifter circuit which comprises an infrared transmitting unit, an infrared receiving unit, an M signal output unit, an M + signal output unit and an M-signal output unit, wherein the infrared transmitting unit is used for transmitting an infrared signal; the infrared receiving unit is used for receiving the infrared signal transmitted by the infrared transmitting unit; the M signal output unit is used for outputting an M signal to realize the manual gear control of the automobile; the M + signal output unit is used for outputting an M + signal, and is matched with the M signal to realize manual gear-up of the automobile; the M-signal output unit is used for outputting an M-signal and is matched with the M-signal to realize manual gear shifting of an automobile, the problem that M, M + and M-signal output is easily caused when an existing manual-automatic integrated gear shifter is used for achieving M, M + and M-signal output through a switch Hall chip is solved, logical output of M, M + and M-signals is achieved through an infrared transmitting head and two infrared receiving heads, signal output is accurate, and electromagnetic interference and structural errors have small influence on the signal output.
Description
Technical Field
The invention relates to the technical field of automobile control, in particular to a shifter circuit based on an infrared light sensor.
Background
In the manual-automatic integrated gear shifter in the market at present, the output of M, M + and M-three signals is generally realized through a switch Hall chip, the switch Hall chip has higher requirements on the magnetic field, the position and the structural precision of a Hall, and no signal output or signal output error is easily caused.
Disclosure of Invention
The invention discloses a shifter circuit, which solves the problem that no signal output or signal output error easily occurs when the existing manual-automatic integrated shifter realizes M, M + and M-signal output through a switch Hall chip, realizes logic output of M, M + and M-signals through an infrared transmitting head and two infrared receiving heads, and has accurate signal output and small influence of electromagnetic interference and structural error on the signal output.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the invention discloses a shifter circuit which comprises an infrared transmitting unit, an infrared receiving unit, an M signal output unit, an M + signal output unit and an M-signal output unit, wherein the infrared transmitting unit is used for transmitting an infrared signal; the infrared receiving unit is used for receiving the infrared signal transmitted by the infrared transmitting unit; the M signal output unit is used for outputting an M signal to realize the manual gear control of the automobile; the M + signal output unit is used for outputting an M + signal, and is matched with the M signal to realize manual gear-up of the automobile; and the M-signal output unit is used for outputting an M-signal, and is matched with the M-signal to realize the manual gear shifting of the automobile.
Furthermore, in the infrared emission unit, the cathode of the infrared emission head is grounded, and the anode of the infrared emission head is connected with the power supply VCC end through resistors R1, R2 and R3 which are connected in parallel.
Further, the infrared receiving unit includes a first infrared receiving head Q1 and a second infrared receiving head Q2, a light receiving surface of the first infrared receiving head Q1 is configured to receive the infrared signal emitted by the infrared emitting unit, an emitter of the first infrared receiving head Q1 is grounded, a collector of the first infrared receiving head Q1 is connected to a VCC terminal through a resistor R4, a collector of the first infrared receiving head Q1 is grounded through a capacitor C1, and a Sensor _ M + terminal is set between the resistor R4 and the capacitor C1; the light receiving surface of the second infrared receiving head is used for receiving the infrared signal transmitted by the infrared transmitting unit, the emitter of the second infrared receiving head Q2 is grounded, the collector of the second infrared receiving head Q2 is connected with the VCC end of a power supply through a resistor R5, the collector of the second infrared receiving head Q2 is grounded through a capacitor C2, and a Sensor _ M-end is arranged between the resistor R5 and the capacitor C2.
Further, in the M signal Output unit, a Sensor _ M + end of the infrared receiving unit is connected to a first pin of an or gate D9, a Sensor _ M-end of the infrared receiving unit is connected to a second pin of an or gate D9, a third pin of the or gate is connected to a base of a first triode Q5, an emitter of the first triode Q5 is grounded, a collector of the first triode Q5 is grounded through a fuse F3 and a capacitor C9, a base of the first triode Q5 is grounded through a capacitor C10, a base of the first triode Q5 is grounded through a resistor R7, and an M signal Output end M _ Output is set between the fuse F3 and the capacitor C9.
Further, in the M + signal Output unit, a base of a second triode Q7 is connected to a Sensor _ M-terminal through a resistor R12, a base of the second triode Q7 is connected to a cathode of a first diode D6, a collector of the second triode Q7 is grounded through a resistor R14, an emitter of the second triode Q7 is connected to a Sensor _ M + terminal, a base of a third triode Q3 is grounded through a capacitor C11, an emitter of the third triode Q3 is grounded, a collector of the third triode Q3 is grounded through a fuse F1 and a capacitor C3, and an Output terminal M + Output of an M + signal is set between the fuse F1 and the capacitor C3.
Further, in the M-signal Output unit, a base of a fifth triode Q6 is connected to a Sensor _ M + terminal through a resistor R11, a base of the fifth triode Q6 is connected to a cathode of a second diode D2, a collector of the fifth triode Q6 is grounded through a resistor R13, an emitter of the fifth triode Q6 is connected to a Sensor _ M-terminal, a base of the fourth triode Q4 is grounded through a capacitor C12, an emitter of the fourth triode Q4 is grounded, a collector of the fourth triode Q4 is grounded through a fuse F2 and a capacitor C4, and an Output terminal M _ Output of an M-signal is set between the fuse F2 and the capacitor C4.
Further, the infrared emission head is of a type SFH 4244.
Further, the first receiving head and the second receiving head are of the type SFH 325.
In another aspect of the invention a shifter is disclosed comprising any of the shifter circuits described above.
The beneficial technical effects are as follows:
1. the invention discloses a shifter circuit which comprises an infrared transmitting unit, an infrared receiving unit, an M signal output unit, an M + signal output unit and an M-signal output unit, wherein the infrared transmitting unit is used for transmitting an infrared signal; the infrared receiving unit is used for receiving the infrared signal transmitted by the infrared transmitting unit; the M signal output unit is used for outputting an M signal to realize the manual gear control of the automobile; the M + signal output unit is used for outputting an M + signal, and is matched with the M signal to realize manual gear-up of the automobile; the M-signal output unit is used for outputting an M-signal, is matched with the M-signal to realize manual gear shifting of an automobile, solves the problem that when the existing manual-automatic integrated gear shifter realizes M, M + and M-signal output through a switch Hall chip, no signal output or signal output error easily occurs, realizes logic output of M, M + and M-signals through an infrared transmitting head and two infrared receiving heads, and has accurate signal output and small influence of electromagnetic interference and structural error on the signal output;
2. the invention adopts one infrared transmitting head and two infrared receiving heads to realize the output of M signals, M + signals and M-signals, has simple circuit structure and reduces the production cost.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1 is a specific circuit structure diagram of an infrared emission unit in a shifter circuit according to the present invention;
fig. 2 is a specific circuit structure diagram of an infrared receiving unit in the shifter circuit according to the present invention;
fig. 3 is a specific circuit structure diagram of an M signal output unit in the shifter circuit according to the present invention;
fig. 4 is a specific circuit structure diagram of an M + signal output unit in the shifter circuit according to the present invention;
fig. 5 is a specific circuit structure diagram of an M-signal output unit in the shifter circuit according to the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
First, it should be noted that, in order to avoid the crossing of the connecting lines in the circuit structure diagram, the present application adopts the form of labels, and the same reference symbols represent the same connecting points.
The invention discloses a shifter circuit on one hand, and referring to fig. 1-5, the shifter circuit comprises an infrared transmitting unit, an infrared receiving unit, an M signal output unit, an M + signal output unit and an M-signal output unit, wherein the infrared transmitting unit is used for transmitting infrared signals; the infrared receiving unit is used for receiving the infrared signal transmitted by the infrared transmitting unit; the M signal output unit is used for outputting an M signal to realize the manual gear control of the automobile; the M + signal output unit is used for outputting an M + signal, and is matched with the M signal to realize manual gear-up of the automobile; the M-signal output unit is used for outputting an M-signal, the M-signal is matched with the M-signal to realize manual gear shifting of the automobile, the problem that when M, M + and M-signal output are realized through a switch Hall chip in an existing manual-automatic integrated gear shifter, no signal output or signal output errors easily occur is solved, logical output of M, M + and M-signals is realized through one infrared transmitting head and two infrared receiving heads, signal output is accurate, and electromagnetic interference and structural errors have small influence on the signal output.
As an embodiment of the invention, the infrared emission unit comprises an infrared emission head for emitting infrared signals, the cathode of the infrared emission head is grounded, the anode of the infrared emission head is connected with the VCC end of a power supply through resistors R1, R2 and R3 which are connected in parallel, and the resistors R1, R2 and R3 supply current to the infrared emission head, preferably, the infrared emission head is selected from SFH4244 or SFH 4255.
As an embodiment of the present invention, the ir receiving unit includes two ir receiving heads, a first ir receiving head Q1 and a second ir receiving head Q2, preferably, SFH325 is selected as the ir receiving head, a light receiving surface of the first ir receiving head Q1 is used to receive the ir signal emitted by the ir emitting unit, an emitter of the first ir receiving head Q1 is grounded, a collector of the first ir receiving head Q1 is connected to the VCC terminal through a resistor R4, meanwhile, a collector of the first ir receiving head Q1 is grounded through a capacitor C1, and a Sensor _ M + terminal is set between the resistor R4 and the capacitor C1; the light receiving surface of the second infrared receiving head is used for receiving the infrared signal transmitted by the infrared transmitting unit, the emitter of the second infrared receiving head Q2 is grounded, the collector of the second infrared receiving head Q2 is connected with the VCC end of the power supply through a resistor R5, meanwhile, the collector of the second infrared receiving head Q2 is grounded through a capacitor C2, and a Sensor _ M-end is arranged between the resistor R5 and the capacitor C2.
According to an embodiment of the present invention, the M signal Output unit includes an or gate D9 formed by two diodes connected in parallel, a Sensor _ M + terminal of the infrared receiving unit is connected to a first pin of an or gate D9, a Sensor _ M-terminal of the infrared receiving unit is connected to a second pin of an or gate D9, a third pin of the or gate is connected to a base of a first triode Q5, an emitter of the first triode Q5 is grounded, a collector of a first triode Q5 is grounded via a fuse F3 and a capacitor C9, a base of the first triode Q5 is grounded via a capacitor C10, a base of the first triode Q5 is grounded via a resistor R7, and an M signal Output terminal M _ Output is provided between the fuse F3 and the capacitor C9.
In the M + signal output unit, the base of the second transistor Q7 is connected to the Sensor _ M-terminal through a resistor R12, meanwhile, the base of the second triode Q7 is connected with the cathode of the first diode D6, the collector of the second triode Q7 is grounded through a resistor R14, the emitter of the second triode Q7 is connected with a Sensor _ M +, the base of the third triode Q3 is grounded through a capacitor C11, the emitter of the third triode Q3 is grounded, the collector of the third triode Q3 is grounded through a fuse F1 and a capacitor C3, an Output end M + _ Output of an M + signal is set between the fuse F1 and the capacitor C3, the resistor R12 provides base current for the second triode Q7, so that the second triode Q7 is in a switching state, the resistor R14 ensures that no leakage current is Output when the second triode Q7 is turned off, and the resistor F1 is a recoverable fuse, so as to avoid the third triode Q3 from being burnt out due to external short circuits.
In the M-signal output unit, as an embodiment of the present invention, the base of a fifth transistor Q6 is connected to the Sensor _ M + terminal through a resistor R11, meanwhile, the base of the fifth triode Q6 is connected with the cathode of the second diode D2, the collector of the fifth triode Q6 is grounded through a resistor R13, the emitter of the fifth triode Q6 is connected with a Sensor _ M-, the base of the fourth triode Q4 is grounded through a capacitor C12, the emitter of the fourth triode Q4 is grounded, the collector of the fourth triode Q4 is grounded through a fuse F2 and a capacitor C4, an Output end M- _ Output of an M-signal is set between the fuse F2 and the capacitor C4, the resistor R11 provides base current for the fifth triode Q6, so that the fifth triode Q6 is in a switching state, the resistor R13 ensures that no leakage current is Output when the fifth triode Q6 is turned off, and the resistor F2 is a recoverable fuse, so as to avoid the fourth triode Q4 from being burnt due to external short circuit.
The shifter circuit is further explained below with reference to the working principle:
the gear signal of the gear shifter circuit is effective at a low level.
An infrared transmitting head in an infrared transmitting unit transmits infrared signals, a first infrared receiving head and a second infrared receiving head in an infrared receiving unit receive the infrared signals transmitted by the infrared transmitting head, when the infrared signals transmitted by the infrared transmitting head are blocked and the first infrared receiving head and the second infrared receiving head do not receive the infrared signals, the collector electrodes and the emitter electrodes of the first infrared receiving head Q1 and the second infrared receiving head Q2 are cut off, and a Sensor _ M + end is connected with a VCC end through a resistor R4 and is at a high level; the Sensor _ M-end is connected with a VCC end through a resistor R5 and is also at a high level; when the infrared signal emitted by the infrared emitting head is not blocked, the light receiving surfaces of the first infrared receiving head Q1 and the second infrared receiving head Q2 receive the infrared signal, so that the collectors and the emitters of the first infrared receiving head Q1 and the second infrared receiving head Q2 are turned on, the Sensor _ M + end becomes low level, and the Sensor _ M-end also becomes low level.
In the M signal Output unit, an or gate circuit D9 is formed by connecting two diodes in parallel, the or gate circuit D9 has two input ends and an Output end, wherein the first input end is connected to a Sensor _ M + end, the second input end is connected to a Sensor _ M-end, and one of the first infrared receiving head Q1 and the second infrared receiving head Q2 is shielded, that is, one of the Sensor _ M + end and the Sensor _ M-end, as long as one of the infrared receiving heads is at a high level, the Output end of the or gate circuit D9 outputs a high level, which causes the Vbe voltage of the first NPN triode Q5 to be greater than the threshold voltage of the triode conduction, the first triode Q5 is conducted, and the Output end M _ Output of the M signal outputs a low level.
When the first infrared receiving head Q1 does not receive an infrared signal, and the second receiving head Q2 receives an infrared signal, that is, the Sensor _ M + end is at a high level, and the Sensor _ M-end is at a low level, the Veb voltage of the second triode Q7 is greater than the threshold voltage of the PNP triode, the second triode Q7 is turned on, so that the voltage of the base of the third triode Q3 is greater than the voltage of the emitter of the third triode Q3, the third triode Q3 is also turned on, and the M + signal Output end M + _ Output outputs an M + signal at a low level; the Veb voltage of the fifth triode Q6 is smaller than the conducting threshold voltage of the PNP triode, and the fifth triode Q6 is cut off, so that the Vbe voltage of the fourth triode Q4 is smaller than the conducting threshold voltage of the NPN triode, and therefore the fourth triode Q4 is also cut off, and the Output end M- _ Output of the M-signal outputs a high-level signal.
When the first infrared receiving head Q1 receives an infrared signal and the second receiving head Q2 does not receive the infrared signal, that is, the Sensor _ M + end is at a low level and the Sensor _ M-end is at a high level, the Veb voltage of the second triode Q7 is smaller than the conducting threshold voltage of the PNP triode, the second triode Q7 is cut off, so that the Vbe voltage of the third triode Q3 is smaller than the conducting threshold voltage of the NPN triode, the third triode is also in a cut-off state, and the M + signal Output end M + _ Output a high level signal; the Veb voltage of the fifth triode Q6 is greater than the conduction threshold voltage of the PNP triode, the fifth triode Q6 is turned on, so that the Vbe voltage of the fourth triode Q4 is greater than the conduction threshold voltage of the NPN triode, the fourth triode Q4 is also turned on, and the Output end M- _ Output of the M-signal outputs a low-level signal.
Under different states of the first infrared receiving head Q1 and the second infrared receiving head Q2, the output states of M, M + and M-signals are shown in Table 1.
Table 1:
| first infrared receiving head Q1 | Cut-off | Conduction of | Conduction of | Cut-off |
| Second infrared receiving head Q2 | Conduction of | Conduction of | Cut-off | Cut-off |
| M | Low level of electricity | High level | Low level of electricity | Low level of electricity |
| M+ | Low level of electricity | High level | High level | High level |
| M- | High level | High level | Low level of electricity | High level |
Another aspect of the invention discloses a shifter comprising a shifter circuit as described above.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above examples are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope defined by the claims of the present invention.
Claims (9)
1. A shifter circuit, comprising:
the infrared emission unit is used for emitting an infrared signal;
the infrared receiving unit is used for receiving the infrared signal transmitted by the infrared transmitting unit;
the M signal output unit is used for outputting an M signal to realize the manual gear control of the automobile;
the M + signal output unit is used for outputting an M + signal, and is matched with the M signal to realize manual gear-up of the automobile;
and the M-signal output unit is used for outputting an M-signal, and is matched with the M-signal to realize the manual gear shifting of the automobile.
2. The shifter circuit of claim 1, wherein in the infrared emitting unit, a cathode of an infrared emitting head is grounded, and an anode of the infrared emitting head is connected with a power supply VCC end through resistors R1, R2 and R3 which are connected in parallel.
3. The shifter circuit according to claim 1, wherein the infrared receiving unit comprises a first infrared receiving head Q1 and a second infrared receiving head Q2, a light receiving surface of the first infrared receiving head Q1 is configured to receive the infrared signal emitted by the infrared emitting unit, an emitter of the first infrared receiving head Q1 is grounded, a collector of the first infrared receiving head Q1 is connected to a VCC terminal through a resistor R4, a collector of the first infrared receiving head Q1 is grounded through a capacitor C1, and a Sensor _ M + terminal is arranged between the resistor R4 and the capacitor C1; the light receiving surface of the second infrared receiving head is used for receiving the infrared signal transmitted by the infrared transmitting unit, the emitter of the second infrared receiving head Q2 is grounded, the collector of the second infrared receiving head Q2 is connected with the VCC end of a power supply through a resistor R5, the collector of the second infrared receiving head Q2 is grounded through a capacitor C2, and a Sensor _ M-end is arranged between the resistor R5 and the capacitor C2.
4. The shifter circuit according to claim 1, wherein in the M signal Output unit, a Sensor _ M + terminal of the infrared receiving unit is connected to a first pin of an or gate D9, a Sensor _ M-terminal of the infrared receiving unit is connected to a second pin of an or gate D9, a third pin of the or gate is connected to a base of a first transistor Q5, an emitter of the first transistor Q5 is grounded, a collector of the first transistor Q5 is grounded via a fuse F3 and a capacitor C9, a base of the first transistor Q5 is grounded via a capacitor C10, a base of the first transistor Q5 is grounded via a resistor R7, and an M signal Output terminal M _ Output is provided between the fuse F3 and the capacitor C9.
5. A shifter circuit according to claim 1, wherein in the M + signal Output unit, a base of a second transistor Q7 is connected to a Sensor _ M-terminal through a resistor R12, a base of the second transistor Q7 is connected to a cathode of a first diode D6, a collector of the second transistor Q7 is grounded through a resistor R14, an emitter of the second transistor Q7 is connected to a Sensor _ M + terminal, a base of a third transistor Q3 is grounded through a capacitor C11, an emitter of the third transistor Q3 is grounded, a collector of the third transistor Q3 is grounded through a fuse F1 and a capacitor C3, and an Output terminal M + Output of an M + signal is provided between the fuse F1 and the capacitor C3.
6. A shifter circuit according to claim 1, wherein in the M-signal Output unit, a base of a fifth transistor Q6 is connected to a Sensor _ M + terminal through a resistor R11, a base of the fifth transistor Q6 is connected to a cathode of a second diode D2, a collector of the fifth transistor Q6 is grounded through a resistor R13, an emitter of the fifth transistor Q6 is connected to a Sensor _ M-terminal, a base of the fourth transistor Q4 is grounded through a capacitor C12, an emitter of the fourth transistor Q4 is grounded, a collector of the fourth transistor Q4 is grounded through a fuse F2 and a capacitor C4, and an Output terminal M _ Output of the M-signal is provided between the fuse F2 and the capacitor C4.
7. The shifter circuit of claim 2, wherein the infrared emitting head is of the type SFH 4244.
8. The shifter circuit of claim 3 wherein the first and second receiving heads are of the type SFH 325.
9. Shifter characterized in that it comprises a shifter circuit according to any of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011099913.5A CN112096856A (en) | 2020-10-15 | 2020-10-15 | Selector circuit and selector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011099913.5A CN112096856A (en) | 2020-10-15 | 2020-10-15 | Selector circuit and selector |
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| Publication Number | Publication Date |
|---|---|
| CN112096856A true CN112096856A (en) | 2020-12-18 |
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|---|---|---|---|
| CN202011099913.5A Pending CN112096856A (en) | 2020-10-15 | 2020-10-15 | Selector circuit and selector |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02214159A (en) * | 1989-02-14 | 1990-08-27 | Mitsubishi Electric Corp | Infrared image sensing device |
| US6710322B1 (en) * | 1999-11-10 | 2004-03-23 | Mannesmann Vdo Ag | Device for detecting the position of a selector lever |
| CN102494131A (en) * | 2011-12-28 | 2012-06-13 | 重庆泰利福汽车零部件有限公司 | Automobile gear shifting device realized by utilizing infrared technology |
| CN202381677U (en) * | 2011-12-28 | 2012-08-15 | 重庆泰利福汽车零部件有限公司 | Automobile gear shifting device achieved by utilizing infrared technology |
| CN203733295U (en) * | 2013-12-25 | 2014-07-23 | Tcl通力电子（惠州）有限公司 | Infrared forwarding circuit and sound box |
| CN107701712A (en) * | 2016-08-30 | 2018-02-16 | 宁波高发汽车控制系统股份有限公司 | A kind of pilotless automobile selector control system of actuating mechanism |
| CN214331449U (en) * | 2020-10-15 | 2021-10-01 | 常州辉思特电子科技有限公司 | Selector circuit and selector |
-
2020
- 2020-10-15 CN CN202011099913.5A patent/CN112096856A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02214159A (en) * | 1989-02-14 | 1990-08-27 | Mitsubishi Electric Corp | Infrared image sensing device |
| US6710322B1 (en) * | 1999-11-10 | 2004-03-23 | Mannesmann Vdo Ag | Device for detecting the position of a selector lever |
| CN102494131A (en) * | 2011-12-28 | 2012-06-13 | 重庆泰利福汽车零部件有限公司 | Automobile gear shifting device realized by utilizing infrared technology |
| CN202381677U (en) * | 2011-12-28 | 2012-08-15 | 重庆泰利福汽车零部件有限公司 | Automobile gear shifting device achieved by utilizing infrared technology |
| CN203733295U (en) * | 2013-12-25 | 2014-07-23 | Tcl通力电子（惠州）有限公司 | Infrared forwarding circuit and sound box |
| CN107701712A (en) * | 2016-08-30 | 2018-02-16 | 宁波高发汽车控制系统股份有限公司 | A kind of pilotless automobile selector control system of actuating mechanism |
| CN214331449U (en) * | 2020-10-15 | 2021-10-01 | 常州辉思特电子科技有限公司 | Selector circuit and selector |
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