CN103615535A - Position sensor assembly for manual transmission and manual transmission - Google Patents
Position sensor assembly for manual transmission and manual transmission Download PDFInfo
- Publication number
- CN103615535A CN103615535A CN201310627174.6A CN201310627174A CN103615535A CN 103615535 A CN103615535 A CN 103615535A CN 201310627174 A CN201310627174 A CN 201310627174A CN 103615535 A CN103615535 A CN 103615535A
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- manual transmission
- magnet
- position sensor
- sensor assembly
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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
- F16H59/04—Ratio selector apparatus
- F16H59/044—Ratio selector apparatus consisting of electrical switches or sensors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Transmission Device (AREA)
Abstract
The invention provides a position sensor assembly for a manual transmission and the manual transmission. The manual transmission comprises a transmission shell and a gear shift shaft located in the transmission shell. The position sensor assembly comprises a magnetism converging body which is suitable for being arranged on the gear shifting shaft, a sensor which is suitable for being fixed on the outer surface of the transmission shell and is separated from the magnetism converging body by the transmission shell. The sensor is opposite to the magnetism converging body and comprises a shell, a circuit board, a Hall chip, a magnet and a connector clip, wherein the magnet is fixed in the shell. According to the position sensor assembly for the manual transmission, the sensor is arranged on the outer surface of the transmission shell, and therefore due to the fact that the installation manner of the sensor is a non-through manner, the risks of oil leakage of the transmission shell will not exist at the sensor.
Description
Technical field
The present invention relates to automobile technical field, relate to particularly a kind of position sensor assembly for manual transmission and manual transmission.
Background technique
Neutral gear position sensor is crucial component in automobile intelligent start and stop, a key startup and idling lifting system, the ECU that is automobile in the correct time provides neutral signal and at gear signal, guarantees that automobile intelligent start and stop, a key start and the realization of idling lifting function.Neutral gear position sensor generally is the forms such as punched-type, switch type, and the output of this kind of architecture signals is not very accurately and has the risk of switch place leakage of oil, and it is external that magnet is generally, and development cost is high.
Reverse lamp switch is generally mechanical contact-type, has following shortcoming: (one) is arranged in gearbox, is subject to 100 degrees Celsius of left and right temperatures involved of gearbox, oxidizable; (2) contact voltage large (150-300mv), has spark during the break-make of contact, and contact easily generates heat, so easily ablation and disconnection; (3) contact endurance is low.
Summary of the invention
The present invention is intended to solve at least to a certain extent one of above-mentioned technical problem of the prior art.For this reason, one object of the present invention is to propose a kind of position sensor assembly for manual transmission, this position biography pipe device assembly can effectively be exported and keep off signal, neutral signal and the signal that reverses gear to ECU, guarantees that automobile intelligent start and stop, a key start and the unlatching of idling lifting function and backing light or the realization of closing.
Another object of the present invention is to propose a kind of manual transmission with above-mentioned position sensor assembly.
According to the position sensor assembly for manual transmission of the embodiment of the present invention, wherein, described manual transmission comprises case of transmission and the shifting shaft that is positioned at described case of transmission, and described position sensor assembly comprises: gathering magnet, and described gathering magnet is suitable for being located on described shifting shaft; Sensor, described sensor is suitable for being fixed on the outer surface of described speed change housing described sensor and described gathering magnet are kept apart by described case of transmission, and described sensor is relative with described gathering magnet and comprise: housing; Circuit board, described circuit board is located in described housing; Described Hall chip, described Hall chip is positioned at described housing and is electrically connected to described circuit board; Magnet, described magnet is fixed in described housing, described magnet and interval intended distance relative with described Hall chip; And plug connector, described plug connector is located on described housing and with described circuit board electricity and is connected, and described plug connector has a plurality of cutting graftage parts.
According to the position sensor assembly for manual transmission of the embodiment of the present invention, by sensor being located on the outer surface of case of transmission, by case of transmission, sensor and gathering magnet are kept apart, sensor can be exported effectively at gear signal, neutral signal and the signal that reverses gear, and then realize automobile intelligent start and stop, a key startup and idling lifting function and control the unlatching of backing light or close, because the mounting type of sensor is non-penetrating formula, so can there is not leakage of oil risk at sensor place in case of transmission.
According to the position sensor assembly of the embodiment of the present invention, can also there is following additional technical feature:
According to one embodiment of present invention, described Hall chip be fixed on described circuit board on the side of described gathering magnet, described magnet is fixed on the internal face of described housing.
According to one embodiment of present invention, on the internal face of described housing, be provided with receiving groove, described magnet is fixed in described receiving groove.
According to one embodiment of present invention, described position sensor assembly also comprises: lining, and described lining is located in described housing, and described circuit board is fixed on described lining.Thus, facilitate the fixing of circuit board.
According to one embodiment of present invention, described enclosure interior is filled with epoxy resin.Thus, the epoxy resin after solidifying can improve the integrally-built stability of sensor and insulating property, prevents that sensor from occurring vibrations at vehicle traveling process, improves the accuracy of the monitoring of sensor.
According to one embodiment of present invention, described housing comprises lower shell body and be located at the upper shell on described lower shell body, and described upper shell is bolted on the outer surface of described case of transmission.Thus, facilitate installation and the dismounting of sensor.
According to one embodiment of present invention, described position transducer also comprises: locating stud, and described locating stud is suitable for being fixed on described shifting shaft, and described gathering magnet is fixed on described locating stud.
According to one embodiment of present invention, described gathering magnet is steel disc.
According to the manual transmission of embodiment of the present invention second aspect, there is above-mentioned position sensor assembly, owing to can accurately exporting according to embodiment of the present invention position sensor assembly at gear signal, neutral signal and the signal that reverses gear, and then realize automobile intelligent start and stop, a key startup and idling lifting function and control the unlatching of backing light or close, and there will not be the advantage of the risk of leakage of oil.Therefore, according to the manual transmission of the embodiment of the present invention, also there is above-mentioned advantage.
Accompanying drawing explanation
Fig. 1 is the structural representation of position sensor assembly according to an embodiment of the invention.
Fig. 2 is the structural representation of sensor according to an embodiment of the invention.
Reference character:
Case of transmission 10; Shifting shaft 11;
Gathering magnet 20;
Bolt 40;
Locating stud 50.
Embodiment
Describe embodiments of the invention below in detail, described embodiment's example is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment who is described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of indications such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characteristics.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, can understand as the case may be above-mentioned term concrete meaning in the present invention.
In the present invention, unless otherwise clearly defined and limited, First Characteristic Second Characteristic it " on " or D score can comprise that the first and second features directly contact, also can comprise that the first and second features are not directly contacts but contact by the other feature between them.And, First Characteristic Second Characteristic " on ", " top " and " above " comprise First Characteristic directly over Second Characteristic and oblique upper, or only represent that First Characteristic level height is higher than Second Characteristic.First Characteristic Second Characteristic " under ", " below " and " below " comprise First Characteristic under Second Characteristic and tiltedly, or only represent that First Characteristic level height is less than Second Characteristic.
Below with reference to Fig. 1-Fig. 2, describe according to the position sensor assembly 100 for manual transmission of the embodiment of the present invention, wherein, manual transmission comprises case of transmission 10 and is positioned at the shifting shaft 11 of case of transmission 10.Shifting shaft 11 can be around self axis rotation and can be along self axial translation in case of transmission 10, at manual transmission in different gears for example forward gear gear, neutral gear and while reversing gear gear, therefore shifting shaft 11 changes with respect to the position of case of transmission 10, can judge that manual transmission is in forward gear gear, neutral gear or the gear that reverses gear by detecting shifting shaft 11 with respect to the relative position of case of transmission 10.
As depicted in figs. 1 and 2, according to the position sensor assembly 100 of the embodiment of the present invention, can comprise: gathering magnet 20, sensor 30.Wherein, sensor 30 can be used for exporting neutral signal, is keeping off signal and the signal that reverses gear.Sensor 30 offers neutral signal that vehicle ECU is correct within the correct time, at gear signal and the signal that reverses gear, thereby ECU can be according to vehicle speed signal and clutch pedal signal etc., intelligent start and stop, the key that realize car load starts and the function such as idling lifting; Simultaneously ECU passes to CAN(controller local area network by the reverse gear signal receiving and neutral signal) on network, car body controller BCM(car body control module) from CAN network, obtain reverse gear signal and neutral signal and then control the unlatching of backing light or close.Therefore, in an embodiment of the present invention, only a sensor 30 need to be set at the outer surface of case of transmission 10 and on shifting shaft 11, arrange that the gathering magnet 20 matching can be realized neutral signal, reverse gear signal and in the output of gear signal.Thus, according to the sensor 30 of the embodiment of the present invention integrated the function of traditional neutral gear position sensor and Reverse lamp switch sensor, reduced integral vehicle cost.
Particularly, gathering magnet 20 is suitable for being located on shifting shaft 11, and gathering magnet 20 rotates or moves axially with shifting shaft 11.Sensor 30 is suitable for being fixed on the outer surface of case of transmission 10, and by case of transmission 10, sensor 30 and gathering magnet 20 is kept apart, and sensor 30 is relative with gathering magnet 20.Wherein, sensor 30 can be positioned at the top of gathering magnet 20, and sensor 30 is contactless design with gathering magnet 20.For example, as shown in fig. 1, sensor 30 can be partly embedded on the outer surface of case of transmission 10 but not run through case of transmission 10.Like this, than the mode of tradition perforation means sensor installation on case of transmission, can avoid fluid in case of transmission from perforation to outward leakage.Wherein, the distance of the upper surface of the lower surface of sensor 30 and gathering magnet 20 (H1 in Fig. 2) is determined by speed changer mechanical structure and design.Usually, H1 can be controlled between 3mm-4mm.Certainly, the present invention is not limited to this.
As shown in Figure 2, sensor 30 comprises: housing 31, circuit board 32, Hall chip 33, magnet 34 and plug connector 35.Wherein, housing 31 can be integrally formed by Shooting Technique, can reduce thus quality and the cost of sensor 30, but the material of housing 31 is not limited to this.
Particularly, circuit board 32 is located in housing 31.Hall chip 33 is positioned at housing 31 and is electrically connected to circuit board 32.Magnet 34 is fixed in housing 31, magnet 34 and interval intended distance (H2 in Fig. 2) relative with Hall chip 33.Wherein, intended distance can refer to the distance between the lower surface of magnet 34 and the upper surface of Hall chip 33, as shown in Figure 2.Along with shifting shaft 11 rotation and axial translations, also there is corresponding variation in the position of gathering magnet 20 in transmission case, thereby gathering magnet 20 can change the magnetic intensity of the magnet 34 of sensor 30 inside, and the magnetic flux by Hall chip 33 will change thus.Hall chip 33 can feed back to according to the variation of magnetic flux circuit board 32, circuit board 32 can send PWM (pulse duration modulation) signal to ECU, the different pwm signals that ECU sends according to circuit board 32 judge the current gear positions of living in of shifting shaft 11, are convenient to realize the functions such as intelligent start and stop, a key startup and idling lifting of car load and control the unlatching of backing light or close.For example, shifting shaft 11 is when neutral region, and the circuit of pwm signal output range of set value can be 5%-30%; When shifting shaft 11 is located at gear region, the circuit output value setting range of pwm signal can be 31%-70%; Shifting shaft 11 is when reversing gear region, and the circuit of pwm signal output range of set value is 71%-95%.Thus, thus ECU can judge the current gear of living in of shifting shaft 11 easily according to the scope of the pwm signal that receives.But, should be understood that, the present invention is not limited to this.
Wherein, intended distance (H2) can be set as between 1.5mm-2.5mm, and the present invention is not limited to this.
According to the position sensor assembly 100 for manual transmission of the embodiment of the present invention, by sensor 30 being located on the outer surface of case of transmission 10, by case of transmission 10, sensor 30 and gathering magnet 20 are kept apart, sensor 30 can be exported effectively at gear signal, neutral signal and the signal that reverses gear, and then realize automobile intelligent start and stop, a key startup and idling lifting function and control the unlatching of backing light or close, and because the mounting type of sensor 30 is non-penetrating formula, so can there is not leakage of oil risk at sensor 30 places in case of transmission 10.
According to one embodiment of present invention, position sensor assembly 100 can also comprise: lining 36.Lining 36 is located in housing 31, and circuit board 32 is fixed on lining 36, thus, facilitates 32 of circuit board to fix.As shown in Figure 2, housing 31 comprises lower shell body 312 and is located at the upper shell 311 on lower shell body 312, and upper shell 311 is fixed on the outer surface of case of transmission 10 by bolt 40.Like this, facilitate installation and the dismounting of sensor 30, but the present invention is not limited to this.Further, lining 36 is located in lower shell body 312.The lower end of lining 36 is connected with circuit board 32, Hall chip 33 be fixed on circuit board 32 on the side of gathering magnet 20, magnet 34 is fixed on the internal face of housing 31.That is to say, the lower surface of circuit board 32 is provided with Hall chip 33, and magnet 34 is located at the lower internal face of housing 31, and the upper surface of magnet 34 is relative with the lower surface of Hall chip 33.Alternatively, Hall chip 33 and magnet 34 be positioned at circuit board 32 under, as shown in Figure 2, but the present invention is not limited to this.
According to another embodiment of the invention, on the internal face of housing 31, can be provided with receiving groove, magnet 34 can be fixed in receiving groove.Wherein, the shape of magnet 34 can be identical with the shape of receiving groove, can be not identical yet, and certainly, magnet 34 also can be fixed on the internal face of housing 31 by the mode of cohering.
In other embodiments of the present invention, housing 31 inside can be filled with epoxy resin.Wherein, epoxy resin can be integrally formed by mode and the sensor 30 of pressure injection.Like this, the epoxy resin after solidifying can improve the integrally-built stability of sensor 30 and insulating property, prevents that sensor 30 from occurring vibrations at vehicle traveling process, improves the accuracy of the monitoring of sensor 30.In addition, by the inner filling epoxy resin of housing 31, can avoid the air Yin Wendu of housing 31 inside raise and expand, the structure of sensor 30 and function are impacted.
In some embodiments more of the present invention, position sensor assembly 100 also comprises: locating stud 50.Locating stud 50 is suitable for being fixed on shifting shaft 11, and gathering magnet 20 is fixed on locating stud 50.That is to say, gathering magnet 20 is fixed on shifting shaft 11 by locating stud 50.For example, as shown in Figure 1, gathering magnet 20 can be fixed on the middle part of shifting shaft 11.Alternatively, on shifting shaft 11, also can be provided with mounting groove, gathering magnet 20 also can directly be fixed in this mounting groove.Wherein, gathering magnet 20 can be steel disc.Certainly, the present invention is not limited to this, and gathering magnet 20 can be also other magnetic materials.
According to the manual transmission of embodiment of the present invention second aspect, there is above-mentioned position sensor assembly 100, owing to can accurately exporting according to the position sensor assembly 100 of the embodiment of the present invention at gear signal, neutral signal and the signal that reverses gear, and then realize automobile intelligent start and stop, a key startup and idling lifting function and control the unlatching of backing light or close, and there will not be the advantage of the risk of leakage of oil.Therefore, according to the manual transmission of the embodiment of the present invention, also there is above-mentioned advantage.
In the description of this specification, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can be with suitable mode combinations in any one or more embodiments or example.In addition, those skilled in the art can engage the different embodiments that describe in this specification or example and combine.
Although illustrated and described embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, modification, replacement and modification.
Claims (10)
1. for a position sensor assembly for manual transmission, described manual transmission comprises case of transmission and the shifting shaft that is positioned at described case of transmission, it is characterized in that, described position sensor assembly comprises:
Gathering magnet, described gathering magnet is suitable for being located on described shifting shaft;
Sensor, described sensor is suitable for being fixed on the outer surface of described case of transmission described sensor and described gathering magnet are kept apart by described case of transmission, and described sensor is relative with described gathering magnet and comprise:
Housing;
Circuit board, described circuit board is located in described housing;
Hall chip, described Hall chip is positioned at described housing and is electrically connected to described circuit board;
Magnet, described magnet is fixed in described housing, described magnet and interval intended distance relative with described Hall chip; And
Plug connector, described plug connector is located on described housing and with described circuit board electricity and is connected, and described plug connector has a plurality of cutting graftage parts.
2. the position sensor assembly for manual transmission according to claim 1, is characterized in that, described Hall chip be fixed on described circuit board on the side of described gathering magnet, described magnet is fixed on the internal face of described housing.
3. the position sensor assembly for manual transmission according to claim 2, is characterized in that, on the internal face of described housing, is provided with receiving groove, and described magnet is fixed in described receiving groove.
4. the position sensor assembly for manual transmission according to claim 1, is characterized in that, also comprises: lining, and described lining is located in described housing, and described circuit board is fixed on described lining.
5. the position sensor assembly for manual transmission according to claim 1, is characterized in that, described enclosure interior is filled with epoxy resin.
6. the position sensor assembly for manual transmission according to claim 1, is characterized in that, described housing comprises lower shell body and be located at the upper shell on described lower shell body, and described upper shell is bolted on the outer surface of described case of transmission.
7. the position sensor assembly for manual transmission according to claim 1, is characterized in that, also comprises: locating stud, and described locating stud is suitable for being fixed on described shifting shaft, and described gathering magnet is fixed on described locating stud.
8. the position sensor assembly for manual transmission according to claim 1, is characterized in that, described gathering magnet is steel disc.
9. the position sensor assembly for manual transmission according to claim 1, is characterized in that, described intended distance is 1.5mm-2.5mm.
10. a manual transmission, is characterized in that, comprises according to the position sensor assembly for manual transmission described in any one in claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310627174.6A CN103615535A (en) | 2013-11-29 | 2013-11-29 | Position sensor assembly for manual transmission and manual transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310627174.6A CN103615535A (en) | 2013-11-29 | 2013-11-29 | Position sensor assembly for manual transmission and manual transmission |
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| CN103615535A true CN103615535A (en) | 2014-03-05 |
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| CN201310627174.6A Pending CN103615535A (en) | 2013-11-29 | 2013-11-29 | Position sensor assembly for manual transmission and manual transmission |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104197000A (en) * | 2014-09-23 | 2014-12-10 | 上海森太克汽车电子有限公司 | External neutral position sensor structure |
| CN104455404A (en) * | 2014-11-24 | 2015-03-25 | 长城汽车股份有限公司 | Neutral gear position sensor, transmission and automobile |
| CN105042068A (en) * | 2015-05-20 | 2015-11-11 | 格特拉克（江西）传动系统有限公司 | Integrated sensor integrating non-contact type neutral sensor and back-up lamp switch |
| CN106151511A (en) * | 2015-03-24 | 2016-11-23 | 长城汽车股份有限公司 | Shift sensor and there is its gearshift, variator and vehicle |
| CN106870727A (en) * | 2015-12-10 | 2017-06-20 | 泰科电子科技（苏州工业园区）有限公司 | A kind of sensing system |
| CN110645348A (en) * | 2018-06-26 | 2020-01-03 | 上汽通用五菱汽车股份有限公司 | Full gear sensor assembly |
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| DE10143437A1 (en) * | 2001-09-05 | 2003-03-27 | Hella Kg Hueck & Co | Device for determining the position of an electronic selection lever of a motor vehicle gearbox has an array of Hall sensors mounted using a lead frame in a curved selection housing so that production costs are reduced |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104197000A (en) * | 2014-09-23 | 2014-12-10 | 上海森太克汽车电子有限公司 | External neutral position sensor structure |
| CN104455404A (en) * | 2014-11-24 | 2015-03-25 | 长城汽车股份有限公司 | Neutral gear position sensor, transmission and automobile |
| CN106151511A (en) * | 2015-03-24 | 2016-11-23 | 长城汽车股份有限公司 | Shift sensor and there is its gearshift, variator and vehicle |
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| CN106870727A (en) * | 2015-12-10 | 2017-06-20 | 泰科电子科技（苏州工业园区）有限公司 | A kind of sensing system |
| CN110645348A (en) * | 2018-06-26 | 2020-01-03 | 上汽通用五菱汽车股份有限公司 | Full gear sensor assembly |
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Application publication date: 20140305 |