CN206594191U - Electric automobile and its gearbox speed detection device - Google Patents
Electric automobile and its gearbox speed detection device Download PDFInfo
- Publication number
- CN206594191U CN206594191U CN201720141275.6U CN201720141275U CN206594191U CN 206594191 U CN206594191 U CN 206594191U CN 201720141275 U CN201720141275 U CN 201720141275U CN 206594191 U CN206594191 U CN 206594191U
- Authority
- CN
- China
- Prior art keywords
- detection device
- gearbox
- velocity sensor
- speed detection
- utility
- 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.)
- Expired - Fee Related
Links
Landscapes
- General Details Of Gearings (AREA)
Abstract
The utility model discloses a kind of gearbox speed detection device, including：Gear box casing；The velocity sensor in the transmission housing body is arranged at, the velocity sensor is used for the rotating speed for measuring input shaft or jackshaft in gearbox, and the tach signal of measurement is transferred to controller by the velocity sensor.The velocity sensor that the utility model will detect the rotating speed of transmission input shaft or jackshaft has been arranged in transmission housing body, compared to situation about in the prior art covering velocity sensor after axle housing, velocity sensor in the utility model can evade the influence of gear oil, so as to the rotating speed of input shaft or jackshaft in accurately measure gearbox.The invention also discloses a kind of electric automobile.
Description
Technical field
The utility model is related to the speed detection field of electric automobile, more specifically to a kind of electric automobile and its
Gearbox speed detection device.
Background technology
Gearbox is provided with the axle housing of the back axle of electric automobile, gearbox includes input shaft, jackshaft and output shaft.
In order to measure the speed of electric automobile and the rotating speed of motor, setting velocity sensor, the velocity pick-up can be covered after axle housing
Device is used for the rotating speed for measuring gear wheel on the output shaft of gearbox, and the tach signal of gear wheel is transferred to control by the velocity sensor
Device processed, controller passes through between the relation between canine tooth wheel speed and motor speed, and canine tooth wheel speed and automobile speed
Relation can obtain the speed of electric automobile and the rotating speed of motor.But, due to having substantial amounts of gear oil, gear oil inside axle housing
Velocity sensor failure can be caused by being splashed on velocity sensor, so as to cause measurement error.
Therefore, a kind of gearbox speed detection device how is designed, the speed detection device is not influenceed by gear oil, energy
The rotating speed of the rotating shaft of enough accurately measure gearboxes, is those skilled in the art's critical problem urgently to be resolved hurrily.
Utility model content
The purpose of this utility model is to provide a kind of gearbox speed detection device, and the speed detection device is not by gear oil
Influence, be capable of the rotating speed of the rotating shaft of accurately measure gearbox.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of gearbox speed detection device, including：
Gear box casing；
Velocity sensor in the transmission housing body, the velocity sensor is used to measure input shaft in gearbox
Or the rotating speed of jackshaft, the tach signal of measurement is transferred to controller by the velocity sensor.
Preferably, the mounting hole for installing the velocity sensor is offered on the gear box casing.
Preferably, the mounting hole is set close to the input shaft or close to the jackshaft.
Preferably, in addition to it is arranged in the mounting hole, prevents the sealing ring of oil leak.
Preferably, the sealing ring is O-ring seal.
A kind of electric automobile, including gearbox speed detection device, the gearbox speed detection device are above-mentioned any
A kind of gearbox speed detection device.
It can be seen from the above technical proposal that the utility model will detect the rotating speed of transmission input shaft or jackshaft
Velocity sensor has been arranged in transmission housing body, compared in the prior art cover velocity sensor after axle housing
Velocity sensor in situation, the utility model can evade the influence of gear oil, so as in accurately measure gearbox
The rotating speed of input shaft or jackshaft.
Brief description of the drawings
In order to illustrate more clearly of the scheme in the utility model embodiment, it will make below to required described in embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present utility model,
For those skilled in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Gearbox and the sectional view of velocity sensor that Fig. 1 provides for the specific embodiment of the utility model one；
The overall schematic for the gearbox speed detection device that Fig. 2 provides for the specific embodiment of the utility model one.
Wherein, 1 it is velocity sensor, 2 be O-ring seal, 3 be input shaft, 4 be jackshaft, 5 be three axles, 6 is gearbox
Housing.
Embodiment
The utility model provides a kind of gearbox speed detection device, and the speed detection device is not by the shadow of gear oil
Ring, be capable of the rotating speed of the rotating shaft of accurately measure gearbox.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than all
Embodiment.Based on embodiment of the present utility model, those of ordinary skill in the art are not making the premise of creative work
Lower obtained all other embodiment, belongs to the scope of the utility model protection.
Fig. 1-Fig. 2 is refer to, in the specific embodiment of the utility model one, gearbox speed detection device includes gearbox
Housing 6 and velocity sensor 1.
Gearbox is provided with the axle housing of the back axle of electric automobile, gearbox includes input shaft, jackshaft and output shaft.
Velocity sensor 1 is used for the rotating speed for detecting input shaft 3 or jackshaft 4 in gearbox, and the tach signal detected is transmitted
To controller, controller is turned by the relation between input shaft rotating speed or middle rotating speed and motor speed, and input shaft
Relation between speed or middle rotating speed and automobile speed can obtain the speed of electric automobile and the rotating speed of motor.This implementation
Velocity sensor 1 in example is arranged in gear box casing 6, compared in the prior art by velocity sensor 1 installed in axle housing
Velocity sensor 1 in situation about covering afterwards, the present embodiment can evade the influence of gear oil, become so as to accurately measure
The rotating speed of input shaft or jackshaft in fast case.
In the specific embodiment of the utility model one, mounting hole is opened up on gear box casing 6, the mounting hole is used to pacify
Fill velocity sensor 1.
Further, input shaft 3 or jackshaft 4 of the mounting hole in gearbox are set.If velocity sensor 1 is used
In the rotating speed of measurement input shaft 3, then mounting hole is adjacent to input shaft 3 and set；If velocity sensor 1 is used to measure jackshaft
4 rotating speed, then mounting hole is adjacent to jackshaft 4 and set.
In order to prevent the gear oil in gearbox from being leaked at mounting hole, in the specific embodiment of the utility model one,
Sealing ring is provided with mounting hole.
Further, the sealing ring is preferably O-ring seal 2.O-ring seal sealing property is excellent, and working life is high.
The utility model additionally provides a kind of electric automobile, and electric automobile includes gearbox speed detection device, the speed change
Case speed detection device is any one above-mentioned gearbox speed detection device, and above-mentioned gearbox speed detection device has above-mentioned
Effect, the electric automobile with above-mentioned gearbox speed detection device equally has the effect above, therefore repeats no more herein.
The described above of the disclosed embodiments, enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications to these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can in other embodiments be realized in the case where not departing from spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (6)
1. a kind of gearbox speed detection device, it is characterised in that including：
Gear box casing (6)；
Velocity sensor (1) in the transmission housing body, the velocity sensor (1) is used to measure input in gearbox
The tach signal detected is transferred to controller by the rotating speed of axle (3) or jackshaft (4), the velocity sensor (1).
2. gearbox speed detection device according to claim 1, it is characterised in that opened on the gear box casing (6)
Provided with the mounting hole for installing the velocity sensor (1).
3. gearbox speed detection device according to claim 2, it is characterised in that the mounting hole is close to the input
Axle (3) is set close to the jackshaft (4).
4. gearbox speed detection device according to claim 2, it is characterised in that also including being arranged on the mounting hole
It is interior, prevent the sealing ring of oil leak.
5. gearbox speed detection device according to claim 4, it is characterised in that the sealing ring is O-ring seal
(2)。
6. a kind of electric automobile, including gearbox speed detection device, it is characterised in that the gearbox speed detection device is
Gearbox speed detection device as described in claim 1-5 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720141275.6U CN206594191U (en) | 2017-02-16 | 2017-02-16 | Electric automobile and its gearbox speed detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720141275.6U CN206594191U (en) | 2017-02-16 | 2017-02-16 | Electric automobile and its gearbox speed detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206594191U true CN206594191U (en) | 2017-10-27 |
Family
ID=60127887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720141275.6U Expired - Fee Related CN206594191U (en) | 2017-02-16 | 2017-02-16 | Electric automobile and its gearbox speed detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206594191U (en) |
-
2017
- 2017-02-16 CN CN201720141275.6U patent/CN206594191U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106218321B (en) | The locomotive shaft-end structure of six channel Hall revolution speed transducers can be installed additional | |
| US20140150588A1 (en) | Gear with vibration sensor | |
| CN206594191U (en) | Electric automobile and its gearbox speed detection device | |
| CN103743508B (en) | Torsional moment test macro and torque sensor device thereof | |
| CN203893893U (en) | Gas turbine meter free of magnetic eddy resistance | |
| CN203785686U (en) | Odometer specially for electric vehicle | |
| CN105606164B (en) | Flowmeter | |
| CN208547647U (en) | A kind of speedometer, speed changer and automobile | |
| CN209164404U (en) | A kind of bearing block for automobile gearbox testboard bay | |
| CN110701292A (en) | Gear box with planet wheel bearing temperature measuring device | |
| CN104251914A (en) | Motor speed measuring device | |
| CN206920015U (en) | A kind of Full automatic double shaft bear vibration detector | |
| CN112444287B (en) | Sensor unit and transmission having at least one such sensor unit | |
| CN207740427U (en) | Automatic transmission and automobile | |
| CN210363692U (en) | Electric automobile reduction gear monitoring devices and electric automobile | |
| CN204594860U (en) | A kind of ammonia and VOC toxic and harmful nanocomposite optical sensor | |
| CN207499918U (en) | A kind of bearing box of steam turbine end cover structure | |
| CN206439340U (en) | A kind of decelerator of the special detectable oil temperature Observable oil mass of machinery and Timing | |
| IT202000002371A1 (en) | Tracked undercarriage roller assembly with temperature monitoring | |
| CN205207664U (en) | Sealed face displacement detectable seal assembly | |
| CN205175473U (en) | Integrated intelligent inner cone type flow meter | |
| CN109283352A (en) | A kind of speed probe and its assembly method | |
| CN213516207U (en) | Speed reducer oil leakage detection device | |
| CN211449673U (en) | Oil field pipeline leakage cutting device | |
| CN203849212U (en) | Connecting device for sound emitting sensor inside oil tank |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171027 Termination date: 20180216 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |