CN202358161U - Integrated steering and rotating speed sensor for electric automobile - Google Patents
Integrated steering and rotating speed sensor for electric automobile Download PDFInfo
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- CN202358161U CN202358161U CN2011205133694U CN201120513369U CN202358161U CN 202358161 U CN202358161 U CN 202358161U CN 2011205133694 U CN2011205133694 U CN 2011205133694U CN 201120513369 U CN201120513369 U CN 201120513369U CN 202358161 U CN202358161 U CN 202358161U
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Abstract
The utility model relates to an integrated steering and rotating speed sensor for an electric automobile. The circuit of the integrated steering and revolving speed sensor comprises an electronic control unit (ECU), a rotating speed signal modulate circuit, a rotating speed induction hall element group, a steering signal conditioning circuit and a planar hall sensor; the structure of the integrated steering and revolving speed sensor comprises a rotating speed magnetic transmission mechanism, a steering gear box magnetic transmission mechanism, a hollow polygon prism, a single-lug fixing support, a double-lug fixing support, a connector socket, contact pins, an arc-shaped connecting rod, a rotating disc, an arc-shaped connecting rod set screw, a rotating disc center hole, a hollow cylinder and a hollow cylinder step part; and the key points of the integrated steering and rotating speed sensor are as follows: the hollow polygon prism simultaneously integrates an electric automobile steering sensor and a rotating speed sensor which are both united in an integrated structure under the condition of satisfying electronic compatibility, and the design idea represents the development tendency of automobile sensor system integration.
Description
Technical field
The utility model relates to a kind of integrated electric motor turning and tachogen, and rotating speed and turn sign in the time of can through the noncontact mode electronlmobil being walked simultaneously are converted into spi bus formula signal.
Background technology
Sensor technology is one of core technology of battery-driven car; The miniaturization of sensor, integrated and integrated not only can reduce occupation space, can also cut down the consumption of energy; Reduce electromagnetic interference; Improve the reliability and the antijamming capability of sensor, make it more meet environmental protection requirement, this is the development megatrend of automobile industry exactly.The described battery-driven car tachogen of the utility model is the speed of a motor vehicle that detects battery-driven car, and GES is converted into electric impulse signal, delivers to the electronic control unit ECU of electric machine controller, carries out the device of transmission control.The described electronlmobil of the utility model turns to tachogen, is the important device of control electric automobile during traveling route and direction, and it directly influences road-holding property, stability and the safety of electronlmobil, is one of most important sensing device of electronlmobil.
The utility model content
Technical matters
It should be noted that up to now, the rotation direction sensor of electronlmobil and tachogen structurally with all be self-existent on the circuit, need two covering devices, two circuit.With regard to rotation direction sensor, main is main with the resistance-type rotation direction sensor still, and it is made up of potentiometer, IC part, current signal output; Its potentiometer is actually a slip variable rheostat, and its wipe contact is fixed on the output shaft, and the resistor wire of slipper is fixed on the input shaft; When the direction of operating dish; Wipe contact mobile on resistor wire changes potentiometric resistance value thereupon, and the variation of this resistance value is handled the form that finally changes with electric current through IC and from slip ring and brush export structure the wheel steering signal delivered to the ECU, after the current signal A/D conversion that ECU will simulate earlier; Thereby can judge the gyratory directions of bearing circle; The maximum shortcoming of resistance-type rotation direction sensor is that volume is big, owing to be the contact structure; The friction that produces during work makes it be easy to wearing and tearing, and reliability is relatively poor.
Technical scheme
For solving the problems of the technologies described above; The utility model provides a kind of integrated electric motor turning and tachogen; The ingenious part of the utility model is that turn to sensing and revolution speed sensing with electronlmobil under satisfying the compatible condition of electronics are unified in the incorporate structure, and transducing signal is through a synchronous serial bus SPI output; The real digitalisation that realizes transducing signal, this design philosophy has been represented the development tendency of the automobile sensor system integration.
Its technical scheme is specific as follows:
Integrated electric motor turning and tachogen; Form by electronic control unit ECU (18), tach signal modulate circuit (19), rotating speed induction Hall element group (20), turn sign modulate circuit (22), plane Hall element (23) on the circuit; Form by rotating speed magnetic transmission device (21), direction machine magnetic transmission device (24), hollow multiedge cylinder (1), monaural fixed support (2), ears fixed support (3), connector body (4), contact pin (5), curved rod (6), rotating disk (7), curved rod set screw (10), center of turntable hole (14), hollow cylinder (16), helical wheel (8) and hollow cylinder step (17) part on the structure, be specially:
(A) described hollow multiedge cylinder (1) is gone up an integrated electronlmobil rotation direction sensor and tachogen of having comprised simultaneously; Comprised a rotating speed magnetic transmission device (21) between described helical wheel (8) and the monaural fixed support (2); Rotating speed magnetic transmission device (21) comprises helical wheel (8) and helical wheel turning cylinder (9), and a permanent magnet has been installed on helical wheel turning cylinder (9);
(B) an also outstanding hollow cylinder (16) between monaural fixed support (2) on the described hollow multiedge cylinder (1) and the ears fixed support (3); Hollow cylinder (16) and hollow multiedge cylinder (1) quadrature; The other end at hollow cylinder (16) has a hollow cylinder step (17); In hollow cylinder (16), include a direction machine magnetic transmission device (24); Described direction machine magnetic transmission device (24) comprises turntable shaft (11), head bearing (12), lower bearing (13) and permanent magnet (15), and going up to embed in center of turntable hole (14) has a turntable shaft (11) that two broad in the middle is little, and the two ends of turntable shaft (11) are a head bearing of socket (12) and a lower bearing (13) respectively; Insert then in the hollow cylinder (16); One end of turntable shaft (11) embeds the permanent magnet (15) of a cuboid, and the other end inserts a center of turntable hole (14) and links to each other with rotating disk (7), and a set screw (10) is arranged on the rotating disk (7); Be connected with a curved rod (6) through this set screw (10), another termination battery-driven car direction machine turning cylinder of curved rod (6).(C) said ears fixed support (3) is gone up and is also had a connector body (4), and connector body (4) inside comprises four contact pins (5).
Preferably; Described electronic control unit ECU (18), tach signal modulate circuit (19), rotating speed induction Hall element group (20) and turn sign modulate circuit (22) all are embedded in the hollow multiedge cylinder (1), and are positioned between the mid point of port and hollow multiedge cylinder (1) of helical wheel turning cylinder (9).
Preferably, described turn sign modulate circuit (22), plane Hall element (23) all are embedded in the hollow cylinder (16).
Preferably; A fixed orifice is arranged on the monaural fixed support (2); Two fixed orifices are arranged on the ears fixed support (3); Monaural fixed support (2) and the spatially mutual perpendicular quadrature of ears fixed support (3), sensor is fixedly mounted on the battery-driven car through its monaural fixed support (2) and ears fixed support (3).
A fixed orifice is arranged on the monaural fixed support, two fixed orifices are arranged on the ears fixed support, the spatially mutual perpendicular quadrature of monaural fixed support and ears fixed support, sensor is fixedly mounted on the battery-driven car through its monaural fixed support and ears fixed support.
Technique effect
Integrated electric motor turning and tachogen that the utility model proposed have following beneficial effect:
Conventional electric-powered automobile steering sensor and tachogen structurally with all be independently on the circuit; Need two covering devices, two circuit, separately wiring; The ingenious part of the utility model is; Under satisfying the condition of electromagnetic compatibility, both are unified in the incorporate structure, a covering device, the output of spi bus formula, this design philosophy has been represented the development tendency of the automobile sensor system integration.
The utility model is original and different aspect electromagnetic Compatibility Design, and having adopted and having turned to sensing and revolution speed sensing is the perpendicular configuration form, makes crosstalking each other of its electromagnetic interference reduce to minimum, thereby has improved the antijamming capability of sensor greatly.
The utility model is also adopting the ears fixed support and the monaural fixed support on-link mode (OLM) of quadrature on the space on the mounting structure, make that connection is simple and reliable.
The utility model also amplifies motion through curved rod, reduces structural chiasma interference.
Obviously; The utility model is not that the rotation direction sensor of electronlmobil and tachogen are done simple combination; If do the simple combination assembly unit, will inevitably run on the mounting structure trouble with the electromagnetic interference aspect simultaneously, this is the ingenious part that solves of the utility model just.
In a word, compare with tachogen, turn to sensing and revolution speed sensing all to adopt the noncontact mode with traditional rotation direction sensor; It produces unexpected effectiveness; A kind of device is realized two kinds of sensings, and an ECU handles two kinds of transducing signals simultaneously, and with its digitalisation of output transducing signal and total linearize; Real realization system economizes total optimization most.
Description of drawings
One of Fig. 1 integrated electric motor turning and tachogen front outside drawing;
Two of Fig. 2 integrated electric motor turning and tachogen front outside drawing;
One of Fig. 3 integrated electric motor turning and tachogen reverse side outside drawing;
One of Fig. 4 integrated electric motor turning and tachogen front exploded drawings;
Two of Fig. 5 integrated electric motor turning and tachogen front exploded drawings;
Three of Fig. 6 integrated electric motor turning and tachogen front exploded drawings;
Four of Fig. 7 integrated electric motor turning and tachogen front exploded drawings;
Five of Fig. 8 integrated electric motor turning and tachogen front exploded drawings;
Fig. 9 integrated electric motor turning and tachogen turntable shaft partial view;
Figure 10 integrated electric motor turning and tachogen internal electrical schematic diagram.
Label declaration:
1 hollow multiedge cylinder
2 monaural fixed supports
3 ears fixed supports
4 connector bodies
5 contact pins
6 curved rods
7 rotating disks
8 helical wheels
9 helical wheel turning cylinders
10 set screws
11 turntable shafts
12 head bearings
13 lower bearings
14 center of turntable holes
15 permanent magnets
16 hollow cylinders
17 hollow cylinder steps
18 electronic control unit ECU
19 tach signal modulate circuits
20 rotating speeds induction Hall element group
21 rotating speed magnetic transmission devices
22 turn sign modulate circuits
23 plane Hall elements
24 direction machine magnetic transmission devices
25 electric machine controllers
The specific embodiment
The specific embodiment below in conjunction with description of drawings the utility model.
Integrated electric motor turning and tachogen; Form by electronic control unit ECU (18), tach signal modulate circuit (19), rotating speed induction Hall element group (20), turn sign modulate circuit (22), plane Hall element (23) on the circuit; Form by rotating speed magnetic transmission device (21), direction machine magnetic transmission device (24), hollow multiedge cylinder (1), monaural fixed support (2), ears fixed support (3), connector body (4), contact pin (5), curved rod (6), rotating disk (7), curved rod set screw (10), center of turntable hole (14), hollow cylinder (16), helical wheel (8) and hollow cylinder step (17) part on the structure, be specially:
(A) described hollow multiedge cylinder (1) is gone up an integrated electronlmobil rotation direction sensor and tachogen of having comprised simultaneously; Comprised a rotating speed magnetic transmission device (21) between described helical wheel (8) and the monaural fixed support (2); Rotating speed magnetic transmission device (21) comprises helical wheel (8) and helical wheel turning cylinder (9), and a permanent magnet has been installed on helical wheel turning cylinder (9);
(B) an also outstanding hollow cylinder (16) between monaural fixed support (2) on the described hollow multiedge cylinder (1) and the ears fixed support (3); Hollow cylinder (16) and hollow multiedge cylinder (1) quadrature; The other end at hollow cylinder (16) has a hollow cylinder step (17); In hollow cylinder (16), include a direction machine magnetic transmission device (24); Described direction machine magnetic transmission device (24) comprises turntable shaft (11), head bearing (12), lower bearing (13) and permanent magnet (15), and going up to embed in center of turntable hole (14) has a turntable shaft (11) that two broad in the middle is little, and the two ends of turntable shaft (11) are a head bearing of socket (12) and a lower bearing (13) respectively; Insert then in the hollow cylinder (16); One end of turntable shaft (11) embeds the permanent magnet (15) of a cuboid, and the other end inserts a center of turntable hole (14) and links to each other with rotating disk (7), and a set screw (10) is arranged on the rotating disk (7); Be connected with a curved rod (6) through this set screw (10), another termination battery-driven car direction machine turning cylinder of curved rod (6).(C) said ears fixed support (3) is gone up and is also had a connector body (4), and connector body (4) inside comprises four contact pins (5).
Preferably; Described electronic control unit ECU (18), tach signal modulate circuit (19), rotating speed induction Hall element group (20) and turn sign modulate circuit (22) all are embedded in the hollow multiedge cylinder (1), and are positioned between the mid point of port and hollow multiedge cylinder (1) of helical wheel turning cylinder (9).
Preferably, described turn sign modulate circuit (22), plane Hall element (23) all are embedded in the hollow cylinder (16).
Preferably; A fixed orifice is arranged on the monaural fixed support (2); Two fixed orifices are arranged on the ears fixed support (3); Monaural fixed support (2) and the spatially mutual perpendicular quadrature of ears fixed support (3), sensor is fixedly mounted on the battery-driven car through its monaural fixed support (2) and ears fixed support (3).
Be to be noted that the situation in order to prevent that two sensors from structurally attending to one thing and lose sight of another, the utility model is gone up bonded assembly curved rod (6) through rotating disk (7) and is amplified motion; For different vehicles; Curved rod (6) is changeable, and radian is changeable, and all are suited measures to local conditions.
In sum; The utility model is not that the rotation direction sensor of electronlmobil and tachogen are done simple combination; If make the words of simple combination assembly unit; Will inevitably run on the mounting structure trouble with the electromagnetic interference aspect simultaneously, and this ingenious part of the utility model solution just.
In a word, conventional electric-powered automobile steering sensor and tachogen structurally with all be independently on the circuit, need two covering devices; Two circuit; Separately wiring, the ingenious part of the utility model is, under satisfying the condition of electromagnetic compatibility, both is unified in the incorporate structure; One covering device, the output of spi bus formula, this design philosophy has been represented the development tendency of the automobile sensor system integration.The utility model is not that the rotation direction sensor of electronlmobil and tachogen are done simple combination, and it produces unexpected effectiveness is that a kind of device is realized two kinds of sensings; An ECU handles two kinds of transducing signals simultaneously; And with its digitalisation, the system that really realizes economizes total optimization most.
Claims (4)
1. integrated electric motor turning and tachogen; Form by electronic control unit ECU (18), tach signal modulate circuit (19), rotating speed induction Hall element group (20), turn sign modulate circuit (22), plane Hall element (23) on the circuit; Form by rotating speed magnetic transmission device (21), direction machine magnetic transmission device (24), hollow multiedge cylinder (1), monaural fixed support (2), ears fixed support (3), connector body (4), contact pin (5), curved rod (6), rotating disk (7), curved rod set screw (10), center of turntable hole (14), hollow cylinder (16), helical wheel (8) and hollow cylinder step (17) part on the structure, it is characterized in that:
Described hollow multiedge cylinder (1) is gone up an integrated electronlmobil rotation direction sensor and tachogen of having comprised simultaneously; Comprised a rotating speed magnetic transmission device (21) between described helical wheel (8) and the monaural fixed support (2); Rotating speed magnetic transmission device (21) comprises helical wheel (8) and helical wheel turning cylinder (9), and a permanent magnet has been installed on helical wheel turning cylinder (9);
An also outstanding hollow cylinder (16) between monaural fixed support (2) on the described hollow multiedge cylinder (1) and the ears fixed support (3); Hollow cylinder (16) and hollow multiedge cylinder (1) quadrature; The other end at hollow cylinder (16) has a hollow cylinder step (17); In hollow cylinder (16), include a direction machine magnetic transmission device (24); Described direction machine magnetic transmission device (24) comprises turntable shaft (11), head bearing (12), lower bearing (13) and permanent magnet (15), and going up to embed in center of turntable hole (14) has a turntable shaft (11) that two broad in the middle is little, and the two ends of turntable shaft (11) are a head bearing of socket (12) and a lower bearing (13) respectively; Insert then in the hollow cylinder (16); One end of turntable shaft (11) embeds the permanent magnet (15) of a cuboid, and the other end inserts a center of turntable hole (14) and links to each other with rotating disk (7), and a set screw (10) is arranged on the rotating disk (7); Be connected with a curved rod (6) through this set screw (10), another termination battery-driven car direction machine turning cylinder of curved rod (6); Said ears fixed support (3) is gone up also has a connector body (4), and connector body (4) inside comprises four contact pins (5).
2. integrated electric motor turning according to claim 1 and tachogen; It is characterized in that; Described electronic control unit ECU (18), tach signal modulate circuit (19), rotating speed induction Hall element group (20) and turn sign modulate circuit (22) all are embedded in the hollow multiedge cylinder (1), and are positioned between the mid point of port and hollow multiedge cylinder (1) of helical wheel turning cylinder (9).
3. integrated electric motor turning according to claim 1 and tachogen is characterized in that, described turn sign modulate circuit (22), plane Hall element (23) all are embedded in the hollow cylinder (16).
4. integrated electric motor turning according to claim 1 and tachogen; It is characterized in that; A fixed orifice is arranged on the monaural fixed support (2); Two fixed orifices are arranged on the ears fixed support (3), monaural fixed support (2) and the spatially mutual perpendicular quadrature of ears fixed support (3), sensor is fixedly mounted on the battery-driven car through its monaural fixed support (2) and ears fixed support (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205133694U CN202358161U (en) | 2011-12-12 | 2011-12-12 | Integrated steering and rotating speed sensor for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205133694U CN202358161U (en) | 2011-12-12 | 2011-12-12 | Integrated steering and rotating speed sensor for electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202358161U true CN202358161U (en) | 2012-08-01 |
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ID=46569369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205133694U Withdrawn - After Issue CN202358161U (en) | 2011-12-12 | 2011-12-12 | Integrated steering and rotating speed sensor for electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202358161U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158757A (en) * | 2011-12-12 | 2013-06-19 | 湖南晟通科技集团有限公司 | Integrated electric automobile steering and rotating speed sensor |
-
2011
- 2011-12-12 CN CN2011205133694U patent/CN202358161U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158757A (en) * | 2011-12-12 | 2013-06-19 | 湖南晟通科技集团有限公司 | Integrated electric automobile steering and rotating speed sensor |
| CN103158757B (en) * | 2011-12-12 | 2016-08-17 | 晟通科技集团有限公司 | Integrated electric motor turning and speed probe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Sheng Tong Industrial Park No. 109 Venus Road 410200 in Hunan province Changsha District of Wangcheng City Patentee after: Suntown Technology Group Corporation Address before: Sheng Tong Industrial Park No. 109 Venus Road 410200 in Hunan province Changsha District of Wangcheng City Patentee before: Hunan Shengtong Technology Group Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120801 Effective date of abandoning: 20160817 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |