CN205940448U - Measure inductive transducer of many rings of angles - Google Patents
Measure inductive transducer of many rings of angles Download PDFInfo
- Publication number
- CN205940448U CN205940448U CN201620713980.4U CN201620713980U CN205940448U CN 205940448 U CN205940448 U CN 205940448U CN 201620713980 U CN201620713980 U CN 201620713980U CN 205940448 U CN205940448 U CN 205940448U
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- receiving coil
- driving gear
- driven gear
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- angular position
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- 230000001939 inductive effect Effects 0.000 title abstract 2
- 230000005284 excitation Effects 0.000 claims description 40
- 238000005259 measurement Methods 0.000 claims description 17
- 238000004804 winding Methods 0.000 claims description 10
- 239000000463 material Substances 0.000 claims description 5
- 229920006324 polyoxymethylene Polymers 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims 1
- 238000010923 batch production Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001020 rhythmical effect Effects 0.000 description 1
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- Transmission And Conversion Of Sensor Element Output (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The utility model belongs to the technical field of the sensor, in particular to measure inductive transducer of many rings of angles. The utility model discloses a driving gear and the driven gear that mesh each other, driving gear and driven gear's axis parallels, and the number of teeth of driving gear is more than driven gear's the number of teeth, still receives including being used for the rotatory rotation angle signal of driving gear, and be used for receiving driven gear the 2nd rotatory rotation angle signal, rotor, magnet set firmly respectively under driving gear, the driven gear, equal coaxial setting between rotor, driving gear, the first angle position sensor, equal coaxial setting between magnet, driven gear, the second angle position sensor combines the use with first angle position sensor and second angle position sensor, makes the utility model discloses can accurately measure many rings of angles above 360 degrees, moreover the utility model discloses simple structure, low cost, but batch production.
Description
Technical field
This utility model belongs to sensor technical field, particularly to a kind of inductance sensor of measurement multi-turn angle.
Background technology
In auto industry application, the Angle Position of steering wheel can rotationally-varying to the scope more than 360 degree, therefore entering
During row angular position measurement, need the anglec of rotation more than 360 degree is accurately measured.
In prior art, most angular transducer is merely capable of the angle measuring within 360 degree of scopes, but such as
The fruit anglec of rotation has exceeded 360 degree of scope, and the detection of some sensors can be absorbed in mistake, or the angle recording is still 0
Spend in the range of 360 degree, for example, measurement result should be 370 degree of angle, but recorded angle and be 10 degree.
Utility model content
This utility model is in order to overcome the above-mentioned deficiencies of the prior art, there is provided a kind of inductance that can measure multi-turn angle
Sensor, and this utility model structure is simple, with low cost, can be mass.
For achieving the above object, this utility model employs following technical measures：
A kind of inductance sensor of measurement multi-turn angle, including the driving gear being set on input shaft, described driving tooth
The side of wheel is provided with the driven gear being meshed with driving gear, and described driving gear is paralleled with the axis of driven gear,
And the number of teeth of driving gear is more than the number of teeth of driven gear；
Also include the first angular position pick up being arranged on pcb board, for receiving the first of described driving gear rotation
Rotary angle signal；
Second angular position pick up, is arranged on pcb board and for receiving second anglec of rotation of described driven gear rotation
Degree signal；
Rotor, is arranged at the underface of described driving gear, described first angular position pick up be arranged at rotor just under
Side, and be all coaxially disposed between described rotor, driving gear, the first angular position pick up；
Magnet, is arranged at the underface of described driven gear, and described second angular position pick up is located at the underface of Magnet,
And be all coaxially disposed between described Magnet, driven gear, the second angular position pick up.
This utility model can also be realized further by following technical measures.
Preferably, described driving gear is peripherally disposed the first teeth portion, described driven gear is provided with and institute
State the second teeth portion of driving gear engagement, the gear ratio between the number of teeth of described first teeth portion and the second teeth portion is 45:37.
Preferably, described first angular position pick up includes excitation coil and receiving coil, and described excitation coil is set to
The first excitation coil being sequentially connected in series and the second excitation coil；Described receiving coil sets at least to the first receiving coil and second
Receiving coil；
Described first excitation coil, the second excitation coil, the first receiving coil and the second receiving coil are all along the circumferential direction
Around arrangement, and all it is coaxially disposed and driving gear, rotor between；
Described first excitation coil and the second excitation coil are separately positioned on inside and outside receiving coil, and the first excitation
Curling up of coil and the second excitation coil is in opposite direction；
The winding mode of described receiving coil is identical, and that is, single receiving coil positive and negative both direction along the circumferential direction is curled up
At least two circumference, and if the projection in plane residing for circuit board for the coiling track of two circumference of single receiving coil formed
The dry closed-loop path being sequentially connected；
With the axle center that is coaxially disposed as the center of circle and rotating deviation one between described first receiving coil and the second receiving coil
Determine angle setting.
Preferably, single receiving coil is in along the circumferential direction that bending is arranged, and single receiving coil is along a certain rotation side
To after one circumference of winding, then turn back along one circumference of opposite direction winding of aforementioned direction of rotation.
Further, described second angular position pick up is Hall element.
Further, described rotor is in the form of annular discs, is provided with multiple double wedges, is provided between double wedge at the excircle of rotor
The shape all same in empty portion, described double wedge and sky portion.
Further, described first excitation coil, the second excitation coil, the first receiving coil, the second receiving coil, second
Angular position pick up is all arranged in same PCB.
Further, described driving gear and the material of driven gear are polyformaldehyde.
The beneficial effects of the utility model are：
1), this utility model includes the driving gear being engaged with each other and driven gear, described driving gear and driven gear
Axis parallel, and the number of teeth of driving gear be more than driven gear the number of teeth, described rotor, Magnet are installed in described master respectively
Moving gear, the underface of driven gear, are all coaxially disposed between described rotor, driving gear, the first angular position pick up, described
All be coaxially disposed between Magnet, driven gear, the second angular position pick up, therefore this utility model provide one kind can be accurate
The inductance sensor of the multi-turn angle more than 360 degree for the ground measurement, and this utility model structure is simple, with low cost, can batch
Produce.
2), unique coiling between the excitation coil in the first angular position pick up in this utility model and receiving coil
Structure, also makes the first output signal that the first angular position pick up is exported purer and degree of accuracy is higher, described active
Gear is polyformaldehyde so that driving gear and driven gear possess high-wearing feature, high rigidity, height firmly with the material of driven gear
The feature of degree.
Brief description
Fig. 1 is Facad structure figure of the present utility model；
Fig. 2 is top view of the present utility model；
Fig. 3 is the structural representation of the first angular position pick up of the present utility model.
The reference implication of in figure is as follows：
10 driving gear 11 first teeth portion 20 driven gear
21 second teeth portion, 30 first angular position pick up 40 second angular position pick up
50 rotor, 60 Magnet 101 input shaft
L1, L2 first excitation coil, the second excitation coil
L3, L4 first receiving coil, the second receiving coil
Specific embodiment
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out
Clearly and completely description is it is clear that described embodiment is only a part of embodiment of this utility model rather than whole
Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not under the premise of making creative work
The every other embodiment being obtained, broadly falls into the scope of this utility model protection.
As shown in Figure 1, 2, a kind of inductance sensor of measurement multi-turn angle, including the active being set on input shaft 101
Gear 10, the side of described driving gear 10 is provided with the driven gear 20 being meshed with driving gear 10, described driving gear
10 are paralleled with the axis of driven gear 20, and the number of teeth of driving gear 10 be more than driven gear 20 the number of teeth, also include for
Receive the first rotary angle signal of described driving gear 10 rotation, and export the first angular position pick up of the first output signal
30, for receiving the second rotary angle signal of described driven gear 20 rotation, and export the second corner of the second output signal
Put sensor 40, this inductance sensor also includes：
The first output signal will be obtained, the second output signal combines vernier algorithm of the prior art and can achieve multi-turn angle
The accurate measurement of degree.
Rotor 50, it is installed in the underface of described driving gear 10, and described first angular position pick up 30 is arranged at and turns
The underface of son 50, and be all coaxially disposed between described rotor 50, driving gear 10, the first angular position pick up 30, described turn
The material of son 50 is copper, and described rotor 50 is in the form of annular discs, is provided with multiple double wedges at the excircle of rotor 50, arranges between double wedge
The shape all same in free portion, described double wedge and sky portion.
Magnet 60, it is installed in the underface of described driven gear 20, and described second angular position pick up 40 is located at Magnet
All it is coaxially disposed between 60 underface, and described Magnet 60, driven gear 20, the second angular position pick up 40.
First angular position pick up 30 and the second angular position pick up 40 are all distributed on pcb board
Described driving gear 10 is peripherally disposed the first teeth portion 11, described driven gear 20 is provided with described
Second teeth portion 21 of driving gear 10 engagement, the gear ratio between the number of teeth of described first teeth portion 11 and the second teeth portion 21 is 45:
37.
As shown in figure 3, described first angular position pick up 30 includes excitation coil and receiving coil, described excitation coil sets
It is set to the first excitation coil L1 being sequentially connected in series and the second excitation coil L2；Described receiving coil is set to the first receiving coil L3
With the second receiving coil L4；
Described first excitation coil L1, the second excitation coil L2, the first receiving coil L3 and the equal edge of the second receiving coil L4
Circumferencial direction is around arrangement, and is all coaxially disposed and driving gear 10, rotor 50 between；Described first excitation coil L1 and second
Excitation coil L2 is separately positioned on inside and outside receiving coil, and the curling up of the first excitation coil L1 and the second excitation coil L2
In opposite direction；
The winding mode of described receiving coil is identical, and that is, single receiving coil positive and negative both direction along the circumferential direction is curled up
At least two circumference, and if the projection in plane residing for circuit board for the coiling track of two circumference of single receiving coil formed
The dry closed-loop path being sequentially connected, described closed-loop path be shaped as rhombus, described first receiving coil L3 and second reception line
With the axle center that is coaxially disposed as the center of circle and the setting of rotating deviation certain angle between circle L4.Single receiving coil is in along the circumferential direction
Bending is arranged, and single receiving coil is along after a certain one circumference of direction of rotation winding, then turns back along aforementioned direction of rotation
One circumference of opposite direction winding.
The unique winding structure of excitation coil and receiving coil, also make that the first angular position pick up 30 is exported first
Output signal is purer and degree of accuracy is higher.
Further, described second angular position pick up 40 is Hall element.
Single Hall element or the first angular position pick up 30, measurement is all rhythmic, therefore in collection
Which, it is impossible to determine it is in cycle during signal, therefore the first angular position pick up 30 and the second angular position pick up are tied
It is used in combination, just can determine that gathered signal in cycle specifically within which.
Further, described first excitation coil L1, the second excitation coil L2, the first receiving coil L3, the second reception
Coil L4, the second angular position pick up 40 are all arranged in same PCB, reduce cost of the present utility model, institute
The material stating driving gear 10 with driven gear 20 is polyformaldehyde so that driving gear 10 and driven gear 20 possess high abrasion
Property, the feature of high rigidity, high rigidity.
Claims (8)
1. a kind of measurement multi-turn angle inductance sensor it is characterised in that：Including the driving tooth being set on input shaft (101)
Wheel (10), the side of described driving gear (10) is provided with the driven gear (20) being meshed with driving gear (10), described master
Moving gear (10) is paralleled with the axis of driven gear (20), and the number of teeth of driving gear (10) is more than the tooth of driven gear (20)
Number；
Also include the first angular position pick up (30) being arranged on pcb board, for receiving what described driving gear (10) rotated
First rotary angle signal；
Second angular position pick up (40), is arranged on pcb board and is used for receiving the second rotation that described driven gear (20) rotates
Gyration signal；
Rotor (50), is arranged at the underface of described driving gear (10), and described first angular position pick up (30) is arranged at and turns
The underface of sub (50), and described rotor (50), driving gear (10), the first angular position pick up all coaxially set between (30)
Put；
Magnet (60), is arranged at the underface of described driven gear (20), and described second angular position pick up (40) is located at Magnet
(60) underface, and described Magnet (60), driven gear (20), the second angular position pick up be all coaxially disposed between (40).
2. as claimed in claim 1 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Described driving gear
(10) peripherally disposed have the first teeth portion (11), described driven gear (20) is provided with and nibbles with described driving gear (10)
The second teeth portion (21) closed, the gear ratio between the number of teeth of described first teeth portion (11) and the second teeth portion (21) is 45:37.
3. as claimed in claim 2 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Described first Angle Position
Sensor (30) includes excitation coil and receiving coil, and described excitation coil is set to the first excitation coil (L1) being sequentially connected in series
With the second excitation coil (L2)；Described receiving coil sets at least to the first receiving coil (L3) and the second receiving coil (L4)；
Described first excitation coil (L1), the second excitation coil (L2), the first receiving coil (L3) and the second receiving coil (L4)
All along the circumferential direction around arrangement, and all it is coaxially disposed between (50) with driving gear (10), rotor；
Described first excitation coil (L1) and the second excitation coil (L2) are separately positioned on inside and outside receiving coil, and first
Curling up of excitation coil (L1) and the second excitation coil (L2) is in opposite direction；
The winding mode of described receiving coil is identical, and that is, single receiving coil positive and negative both direction along the circumferential direction is curled up at least
Two circumference, and projection in plane residing for circuit board for the coiling track of two circumference of single receiving coil formed some according to
Secondary connected closed-loop path；
And rotated partially with the axle center being coaxially disposed as the center of circle between described first receiving coil (L3) and the second receiving coil (L4)
Difference certain angle setting.
4. as claimed in claim 3 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Single receiving coil edge
Circumferencial direction is in that bending is arranged, and single receiving coil is along after a certain one circumference of direction of rotation winding, then turns back along aforementioned
One circumference of the opposite direction winding of direction of rotation.
5. as claimed in claim 1 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Described second Angle Position
Sensor (40) is Hall element.
6. as claimed in claim 3 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Described rotor (50) is in
Discoid, it is provided with multiple double wedges at the excircle of rotor (50), free portion, the shape in described double wedge and sky portion are set between double wedge
Shape all same.
7. as claimed in claim 3 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Described first excitation line
Circle (L1), the second excitation coil (L2), the first receiving coil (L3), the second receiving coil (L4), the second angular position pick up
(40) all it is arranged in same PCB.
8. as claimed in claim 3 a kind of measurement multi-turn angle inductance sensor it is characterised in that：Described driving gear
(10) it is polyformaldehyde with the material of driven gear (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713980.4U CN205940448U (en) | 2016-07-07 | 2016-07-07 | Measure inductive transducer of many rings of angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620713980.4U CN205940448U (en) | 2016-07-07 | 2016-07-07 | Measure inductive transducer of many rings of angles |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205940448U true CN205940448U (en) | 2017-02-08 |
Family
ID=57928508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620713980.4U Active CN205940448U (en) | 2016-07-07 | 2016-07-07 | Measure inductive transducer of many rings of angles |
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| Country | Link |
|---|---|
| CN (1) | CN205940448U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356193A (en) * | 2017-08-02 | 2017-11-17 | 武汉理岩控制技术有限公司 | A kind of detection means of rotational angle |
| CN110542374A (en) * | 2018-05-29 | 2019-12-06 | 上海海拉电子有限公司 | Angle measuring sensor |
| CN113405573A (en) * | 2021-06-08 | 2021-09-17 | 上海精传电子科技有限公司 | Harmonic absolute value encoder |
| CN114391085A (en) * | 2019-10-10 | 2022-04-22 | 舍弗勒技术股份两合公司 | Sensor device for detecting rotational angle position of rotatable shaft, and steering device for vehicle |
| US11486778B2 (en) * | 2019-12-18 | 2022-11-01 | Robert Bosch Gmbh | Torque-angle sensor for monitoring a steering situation of a vehicle |
-
2016
- 2016-07-07 CN CN201620713980.4U patent/CN205940448U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107356193A (en) * | 2017-08-02 | 2017-11-17 | 武汉理岩控制技术有限公司 | A kind of detection means of rotational angle |
| CN110542374A (en) * | 2018-05-29 | 2019-12-06 | 上海海拉电子有限公司 | Angle measuring sensor |
| CN114391085A (en) * | 2019-10-10 | 2022-04-22 | 舍弗勒技术股份两合公司 | Sensor device for detecting rotational angle position of rotatable shaft, and steering device for vehicle |
| US11486778B2 (en) * | 2019-12-18 | 2022-11-01 | Robert Bosch Gmbh | Torque-angle sensor for monitoring a steering situation of a vehicle |
| CN113405573A (en) * | 2021-06-08 | 2021-09-17 | 上海精传电子科技有限公司 | Harmonic absolute value encoder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An inductive sensor for measuring multi turn angle Effective date of registration: 20220713 Granted publication date: 20170208 Pledgee: Lu'an yuan financing Company limited by guarantee Pledgor: ANHUI VOBOFF ELECTRON SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022980010353 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230725 Granted publication date: 20170208 Pledgee: Lu'an yuan financing Company limited by guarantee Pledgor: Shanghai Volboff Electron Science and Technology Co.,Ltd.|ANHUI VOBOFF ELECTRON SCIENCE AND TECHNOLOGY Co.,Ltd. Registration number: Y2022980010353 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An Inductive Sensor for Measuring Multi turn Angles Effective date of registration: 20230726 Granted publication date: 20170208 Pledgee: Lu'an yuan financing Company limited by guarantee Pledgor: ANHUI VOBOFF ELECTRON SCIENCE AND TECHNOLOGY Co.,Ltd.|Shanghai Volboff Electron Science and Technology Co.,Ltd. Registration number: Y2023980049916 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20170208 Pledgee: Lu'an yuan financing Company limited by guarantee Pledgor: ANHUI VOBOFF ELECTRON SCIENCE AND TECHNOLOGY Co.,Ltd.|Shanghai Volboff Electron Science and Technology Co.,Ltd. Registration number: Y2023980049916 |