CN111322386A - Triple Hall redundant electronic gear shifter and use method thereof - Google Patents
Triple Hall redundant electronic gear shifter and use method thereof Download PDFInfo
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- CN111322386A CN111322386A CN202010127894.6A CN202010127894A CN111322386A CN 111322386 A CN111322386 A CN 111322386A CN 202010127894 A CN202010127894 A CN 202010127894A CN 111322386 A CN111322386 A CN 111322386A
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- Prior art keywords
- hall
- gear
- magnet
- triple
- groups
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Classifications
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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
- F16H59/08—Range selector apparatus
- F16H59/10—Range selector apparatus comprising levers
- F16H59/105—Range selector apparatus comprising levers consisting of electrical switches or sensors
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
- F16H2061/1216—Display or indication of detected failures
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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
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1272—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a part of the final output mechanism, e.g. shift rods or forks
Abstract
The invention discloses a triple Hall redundant electronic gear shifter and a using method thereof, wherein the triple Hall redundant electronic gear shifter comprises a PCB and Hall sensing areas, wherein the PCB is provided with the Hall sensing areas, gear Hall sensors are arranged in the Hall sensing areas, the gear Hall sensors are provided with three groups, a placing rack is arranged at the position above the Hall sensing areas, a magnet is movably arranged on the placing rack, and the magnet moves above the Hall sensing areas; the invention utilizes triple Hall redundancy design scheme, each gear Hall has three Hall elements which can detect, if one or two Hall elements in one gear Hall have faults, the fault can be judged by the output value of the rest Hall elements, and the rest Hall elements are normal, the shifter can still normally act, the shifter can be detected under the condition of meeting the error condition, and the level of safety is improved by one, so the requirement of ASIL-C level is met.
Description
Technical Field
The invention relates to the technical field of gear detection of an electric vehicle gear shifter, in particular to a triple Hall redundant electronic gear shifter and a using method thereof.
Background
In the gear detection of the gear shifter of the electric vehicle, a permanent magnet is generally installed on the lower part or the side surface of a gear shift lever by utilizing the electromagnetic induction principle, and the permanent magnet moves along with the gear shift lever during gear shifting, and a Hall sensor is installed at the relative position of a circuit board to sense the magnetic induction intensity at different positions, so that corresponding different trigger states are formed, the gear shifting is reflected, and finally, the gear shifting is transmitted to a gearbox according to a CAN communication protocol to realize the gear shifting operation;
in the prior art, the number of the same-gear hall is generally 2, and when the same-gear hall is out of work for 2, the gear to which the fault hall belongs cannot be detected, so that the gear shifter cannot work normally, a user cannot shift gears, and safety risks exist.
Disclosure of Invention
In view of the above problems, the present invention is directed to a triple hall redundant electronic shifter and a method for using the same, which can detect a fault, and further can continuously maintain the normal operation of the shifter within a limited fault detection time, so as to meet the ASIL-C level requirement.
In order to realize the purpose of the invention, the invention is realized by the following technical scheme: the utility model provides a redundant electron selector of triple hall, includes PCB board and hall induction zone, be equipped with the hall induction zone on the PCB board, and put gear hall in the hall induction zone, the gear hall is equipped with three groups, the top position department in hall induction zone is equipped with the rack, and movable mounting has magnet on the rack, magnet is in the top in hall induction zone removes.
The further improvement lies in that: the rack is provided with a groove, the magnet is connected with the gear lever of the automobile through the groove, a sliding rail is arranged on the inner side of the rack, the magnet is movably mounted through the sliding rail, and the magnet can move along with the gear lever of the automobile to achieve a gear shifting function.
The further improvement lies in that: the three groups of gear Hall units are respectively R gear, N gear and D gear, and three groups of Hall elements are arranged in the gear Hall units.
The further improvement lies in that: three groups of Hall elements in the R gear are H1, H4 and H7, three groups of Hall elements in the N gear are H2, H5 and H8, and three groups of Hall elements in the D gear are H3, H6 and H9.
A method of using a triple hall redundant electronic shifter comprising the steps of:
the method comprises the following steps: in the automobile gear shifter mechanism, a gear shift lever is linked with a magnet, and when a user operates the gear shift lever, the magnet is driven to move together to achieve a gear shift function;
step two: the magnet moves above the Hall sensing area, when the gear Hall senses that the magnet is close, the normal Hall element outputs 1, and when the gear Hall senses that the magnet is away, the normal Hall element outputs 0;
step three: when the outputs of 9 hall elements are H1-0, H2-0, H3-0, H4-0, H5-0, H6-0, H7-1, H8-0, H9-0, 3 hall elements in N range H2, H5, H8 and 3 hall elements in D range H3, H6 and H9 are all 0, it is confirmed that the magnet is in R range, but H1-0, H4-0 and H7-1, so it is confirmed that the hall elements H1 and H4 are failed, at this time, H1 and H4 are failed, but H7 is normal, and R range is in a detectable state.
The invention has the beneficial effects that: the invention utilizes triple Hall redundancy design scheme, each gear Hall has three Hall elements which can detect, if one or two Hall elements in one gear Hall have faults, the fault can be judged by the output value of the rest Hall elements, and the rest Hall elements are normal, the shifter can still normally act, the shifter can be detected under the condition of meeting the error condition, and the level of safety is improved by one, so the requirement of ASIL-C level is met.
Drawings
FIG. 1 is a schematic diagram of a Hall sensing area according to the present invention;
figure 2 is a schematic view of the rack of the present invention;
FIG. 3 is a schematic diagram of a gear Hall of the present invention.
Wherein: 1. a PCB board; 2. a Hall sensing area; 3. a gear Hall; 4. placing a rack; 5. A magnet; 6. a trench; 7. a slide rail.
Detailed Description
In order to further understand the present invention, the following detailed description will be made with reference to the following examples, which are only used for explaining the present invention and are not to be construed as limiting the scope of the present invention.
According to fig. 1, 2, 3, this embodiment provides a redundant electron selector of triple hall, including PCB board 1 and hall induction zone 2, be equipped with hall induction zone 2 on the PCB board 1, and put gear hall 3 in the hall induction zone 2, gear hall 3 is equipped with three groups, the top position department in hall induction zone 2 is equipped with rack 4, and movable mounting has magnet 5 on the rack 4, magnet 5 is in the top of hall induction zone 2 removes.
The gear shifting rack is characterized in that a groove 6 is formed in the placing rack 4, the magnet 5 is connected with a gear shifting lever of an automobile through the groove 6, a sliding rail 7 is arranged on the inner side of the placing rack 4, the magnet 5 is movably installed through the sliding rail 7, and the magnet 5 achieves a gear shifting function along with the movement of the gear shifting lever of the automobile.
The three groups of gear Hall 3 are respectively R gear, N gear and D gear, and three groups of Hall elements are arranged in the gear Hall 3.
Three groups of Hall elements in the R gear are H1, H4 and H7, three groups of Hall elements in the N gear are H2, H5 and H8, and three groups of Hall elements in the D gear are H3, H6 and H9.
A method of using a triple hall redundant electronic shifter comprising the steps of:
the method comprises the following steps: in the automobile gear shifter mechanism, a gear shift lever is linked with a magnet 5, and when a user operates the gear shift lever, the magnet 5 is driven to move together to achieve a gear shift function;
step two: the magnet 5 moves above the Hall sensing area 2, when the gear Hall 3 senses that the magnet 5 is close to the Hall sensor, the normal Hall element outputs 1, and when the gear Hall 3 senses that the magnet 5 is away from the Hall sensor, the normal Hall element outputs 0;
step three: when the outputs of 9 hall elements are H1 ═ 0, H2 ═ 0, H3 ═ 0, H4 ═ 0, H5 ═ 0, H6 ═ 0, H7 ═ 1, H8 ═ 0, H9 ═ 0, 3 hall elements in the N range, H2, H5, H8, and 3 hall elements in the D range, H3, H6, and H9 are all 0, it is confirmed that magnet 5 is in the R range, but H1 ═ 0, H4 ═ 0, and H7 × 1, so it is confirmed that the hall elements H1 and H4 are failed, at this time, H1 and H4 are failed, but H7 is normal, and the R range is in a detectable state.
The triple Hall redundancy electronic gear shifter and the use method thereof utilize a triple Hall redundancy design scheme, three Hall elements of each gear Hall 3 can detect, if one or two Hall elements in one gear Hall 3 have faults, the fault can be judged by the output value of the rest Hall elements, and the rest Hall elements are normal, the gear shifter can still normally operate, can be detected under the condition of meeting the error condition, and is improved by one level in the safety level, so the ASIL-C level requirement is met.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a redundant electron selector of triple hall, includes PCB board (1) and hall induction zone (2), its characterized in that: be equipped with hall induction zone (2) on PCB board (1), and put gear hall (3) in hall induction zone (2), gear hall (3) are equipped with three groups, the top position department of hall induction zone (2) is equipped with rack (4), and movable mounting has magnet (5) on rack (4), magnet (5) are in the top of hall induction zone (2) is removed.
2. The triple hall redundant electronic shifter of claim 1 wherein: be equipped with slot (6) on rack (4), magnet (5) are through slot (6) and the gear level interconnect of car, rack (4) inboard is equipped with slide rail (7), magnet (5) are through slide rail (7) movable mounting, magnet (5) reach the gear shift function along with the gear level removal of car.
3. The triple hall redundant electronic shifter of claim 1 wherein: the three groups of gear Hall devices (3) are respectively R gear, N gear and D gear, and three groups of Hall devices are arranged in the gear Hall devices (3).
4. The triple hall redundant electronic shifter of claim 3 wherein: three groups of Hall elements in the R gear are H1, H4 and H7, three groups of Hall elements in the N gear are H2, H5 and H8, and three groups of Hall elements in the D gear are H3, H6 and H9.
5. A use method of a triple Hall redundant electronic shifter is characterized in that: the method comprises the following steps:
the method comprises the following steps: in the automobile gear shifter mechanism, a gear shift lever is linked with a magnet (5), and when a user operates the gear shift lever, the magnet (5) is driven to move together to achieve the gear shift function;
step two: the magnet (5) moves above the Hall sensing area (2), when the gear Hall (3) senses that the magnet (5) approaches, the normal Hall element outputs 1, and when the gear Hall (3) senses that the magnet (5) leaves, the normal Hall element outputs 0;
step three: when the outputs of 9 hall elements are H1-0, H2-0, H3-0, H4-0, H5-0, H6-0, H7-1, H8-0, H9-0, 3 hall H2, H5, H8 in the N range, and 3 hall H3, H6, H9 in the D range are all 0, it is confirmed that the magnet (5) is in the R range, but H1-0, H4-0, and H7-1, so it is confirmed that the hall elements H1 and H4 are failed, at this time, H1, H4 are failed, but H7 is normal, and the R range is detectable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127894.6A CN111322386A (en) | 2020-02-28 | 2020-02-28 | Triple Hall redundant electronic gear shifter and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010127894.6A CN111322386A (en) | 2020-02-28 | 2020-02-28 | Triple Hall redundant electronic gear shifter and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111322386A true CN111322386A (en) | 2020-06-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010127894.6A Pending CN111322386A (en) | 2020-02-28 | 2020-02-28 | Triple Hall redundant electronic gear shifter and use method thereof |
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| Country | Link |
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| CN (1) | CN111322386A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212445A (en) * | 2021-05-10 | 2021-08-06 | 重庆长安汽车股份有限公司 | Electronic gear shifter Hall element fault processing method and system and vehicle |
| CN113236764A (en) * | 2021-05-11 | 2021-08-10 | 中国第一汽车股份有限公司 | Control method of electronic gear shifter, electronic gear shifter and vehicle |
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| CN103363088A (en) * | 2013-07-23 | 2013-10-23 | 安徽江淮汽车股份有限公司 | Dual-Hall-sensor DCT (Dual Clutch Transmission) shifting operation mechanism |
| CN104633082A (en) * | 2013-11-12 | 2015-05-20 | 陕西国力信息技术有限公司 | Gear shift handle control assembly based on AMT |
| CN105682971A (en) * | 2014-04-02 | 2016-06-15 | Smc有限公司 | Electronic shift lever device |
| US20170059358A1 (en) * | 2015-08-25 | 2017-03-02 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Position sensor |
| CN106499808A (en) * | 2016-12-30 | 2017-03-15 | 重庆集诚汽车电子有限责任公司 | A kind of PRNDS gears sensing device |
| CN107489766A (en) * | 2016-11-04 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Gear switching control method and device |
| CN107725759A (en) * | 2017-09-27 | 2018-02-23 | 宁波鹏程拉索有限公司 | A kind of selector complementation redundancy structure |
| KR102037426B1 (en) * | 2018-10-25 | 2019-10-28 | 주식회사 서연전자 | Electronic shifter |
-
2020
- 2020-02-28 CN CN202010127894.6A patent/CN111322386A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103363088A (en) * | 2013-07-23 | 2013-10-23 | 安徽江淮汽车股份有限公司 | Dual-Hall-sensor DCT (Dual Clutch Transmission) shifting operation mechanism |
| CN104633082A (en) * | 2013-11-12 | 2015-05-20 | 陕西国力信息技术有限公司 | Gear shift handle control assembly based on AMT |
| CN105682971A (en) * | 2014-04-02 | 2016-06-15 | Smc有限公司 | Electronic shift lever device |
| US20170059358A1 (en) * | 2015-08-25 | 2017-03-02 | Kabushiki Kaisha Tokai Rika Denki Seisakusho | Position sensor |
| CN107489766A (en) * | 2016-11-04 | 2017-12-19 | 宝沃汽车（中国）有限公司 | Gear switching control method and device |
| CN106499808A (en) * | 2016-12-30 | 2017-03-15 | 重庆集诚汽车电子有限责任公司 | A kind of PRNDS gears sensing device |
| CN107725759A (en) * | 2017-09-27 | 2018-02-23 | 宁波鹏程拉索有限公司 | A kind of selector complementation redundancy structure |
| KR102037426B1 (en) * | 2018-10-25 | 2019-10-28 | 주식회사 서연전자 | Electronic shifter |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113212445A (en) * | 2021-05-10 | 2021-08-06 | 重庆长安汽车股份有限公司 | Electronic gear shifter Hall element fault processing method and system and vehicle |
| CN113212445B (en) * | 2021-05-10 | 2022-08-09 | 重庆长安汽车股份有限公司 | Electronic gear shifter Hall element fault processing method and system and vehicle |
| CN113236764A (en) * | 2021-05-11 | 2021-08-10 | 中国第一汽车股份有限公司 | Control method of electronic gear shifter, electronic gear shifter and vehicle |
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Application publication date: 20200623 |
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| RJ01 | Rejection of invention patent application after publication |