CN109579682A - A kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor - Google Patents
A kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor Download PDFInfo
- Publication number
- CN109579682A CN109579682A CN201910069532.3A CN201910069532A CN109579682A CN 109579682 A CN109579682 A CN 109579682A CN 201910069532 A CN201910069532 A CN 201910069532A CN 109579682 A CN109579682 A CN 109579682A
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- contact
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- resistance
- rotating guide
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 78
- 239000000725 suspension Substances 0.000 title claims abstract description 36
- 238000005259 measurement Methods 0.000 title claims abstract description 20
- 238000013519 translation Methods 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 abstract description 16
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The present invention provides a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensors, including translation guide plate；It translates guide plate and is equipped with resistance band, the both ends of resistance band are all connected with external power supply input terminal, rotating guide is equipped with above resistance band, translation contact is equipped at the axle center of rotating guide, rotating guide is equipped with unclosed resistance ring, is equipped with contact on the endpoint of resistance ring by translation contact and resistance band connection, rotating guide top, contact is fixedly connected with resistance band, and resistance ring is equipped with the running contact driven by rotating guide；One end of location guide on rotating guide, the hinged displacement sensor rod of the other end of guide rod.The present invention can under real vehicle operating condition, through the test to dynamic assembly suspension dynamic displacement, with monitor power assembly operation posture variation and dynamic assembly suspension different dimensions misalignment, as the foundation for assessing its stiffness variation.
Description
Technical field
The invention belongs to sensor technical fields, more particularly, to a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement
Sensor.
Background technique
Power assembly is the main driving source for influencing vehicle NVH performance, and power assembly vibration is transferred to vehicle body by suspension,
And then body structure is excited to be led to interior vibration noise.And main portion of the dynamic assembly suspension as isolation power assembly excitation
Part, dynamic characteristic directly influence power assembly and motivate to interior transmitting level.Since suspension is flexible connection structure, thus it is dynamic
There is relative dynamic displacements between vehicle body in the process of running for power assembly, and the dynamic displacement is reflected directly in power assembly and hangs
It sets, that is, shows as the variation of dynamic assembly suspension stiffness characteristics.And the variation of dynamic assembly suspension rigidity directly influences
The transmission characteristic of power assembly excitation.
Power assembly is influenced by accelerator open degree in the process of running, and posture constantly changes, and is mainly shown as rotation
With translation, the active and passive side corresponding to suspension then show as straight-line displacement (in the past, based on rear-suspending) and angle displacement (with it is left,
Based on right suspension) superposition.In current practical implementation, the dynamic displacement suspended under operating condition is difficult to measure or only
Single straight-line displacement can be surveyed, and cannot sufficiently reflect under actual condition the moving displacement situation for suspending multiple dimensions, Jin Ernan
To assess power assembly attitudes vibration under actual operating mode.
Summary of the invention
It, can be in view of this, the present invention is directed to propose a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor
Under real vehicle operating condition, by the test to dynamic assembly suspension dynamic displacement, to monitor the variation of power assembly operation posture
And dynamic assembly suspension is in the misalignment of different dimensions, as the foundation for assessing its stiffness variation, at the same time as interior NVH
The reference of problem identification.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor, including translation guide plate；Translation guide plate is equipped with
Resistance band, the both ends of resistance band are all connected with external power supply input terminal, are equipped with rotating guide, the axle center of rotating guide above resistance band
Place is equipped with translation contact, and rotating guide is equipped with unclosed resistance above rotating guide by translating contact and resistance band connection
Ring is equipped with contact on the endpoint of resistance ring, contact is fixedly connected with resistance band, and resistance ring is equipped with to be driven by rotating guide
Running contact；One end of location guide on rotating guide, the hinged displacement sensor rod of the other end of guide rod；Running contact and resistance ring
The contact sets of one end form displacement of the lines signal output end at angular displacement signal output end, one end and translation contact of resistance band.
Resistance ring, running contact, rotating guide are constituted angular displacement test device, angular displacement test as axle center to translate contact
Device and resistance band collectively form displacement of the lines test device, and angular displacement test device is in parallel with both displacement of the lines test devices, with
The movement difference angle displacement signal and displacement of the lines signal of guide rod.
When displacement sensor rod is rotated with guide rod, rotate rotating guide, to make the fixed contact of resistance ring one end
The angular displacement signal of variation is exported between running contact；When guide rod moves horizontally, translation contact is moved along resistance band, with
The displacement of the lines signal of variation is exported between one end of resistance band.
Further, resistance ring is located at the edge of rotating guide.
Further, the opening of resistance ring is opposite with running contact.
Further, guide rod is fixed on the opening of resistance ring.
Further, rotating guide is round.
Further, translation guide plate is rectangle.
Compared with the existing technology, a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement of the present invention senses utensil
There is following advantage:
It is straight that suspension can be achieved at the same time in a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor of the present invention
The measurement of displacement of the lines and angle displacement, simple installation, test method are simple；
The monitoring to power assembly posture under different operating conditions can be achieved, compensate for the deficiency of existing test sensor
And in engineer application dynamic assembly suspension dynamic displacement means of testing missing, with good application prospect；
By the voltage signal of output two-way variation, corresponding to the variation of straight-line displacement and angle displacement, the output signal
It can connect arbitrary data acquisition front equipment end interface, it is easy to operate.
Detailed description of the invention
The attached drawing for constituting a part of the invention is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.
In the accompanying drawings:
Fig. 1 shows for a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor structure described in the embodiment of the present invention
It is intended to；
Fig. 2 shows for a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor installation described in the embodiment of the present invention
It is intended to.
Description of symbols:
1- translates guide plate；2- resistance ring；3- resistance band；4- running contact；5- translates contact；6- displacement sensor rod；7- is led
Bar；8- rotating guide；9- angular displacement signal output end；10- displacement of the lines signal output end；11- external power supply input terminal；12- vehicle
Body side；13- suspends master end；14- suspension.
Specific embodiment
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower",
The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second " etc. are used for description purposes only, it is not understood to indicate or imply phase
To importance or implicitly indicate the quantity of indicated technical characteristic.The feature for defining " first ", " second " etc. as a result, can
To explicitly or implicitly include one or more of the features.In the description of the present invention, unless otherwise indicated, " multiple "
It is meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
As shown in Figs. 1-2, a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor, including translation guide plate 1；It is flat
It moves guide plate 1 and is equipped with resistance band 3, the both ends of resistance band 3 are all connected with external power supply input terminal 11, are equipped with rotation above resistance band 3
Guide plate 8 is equipped with translation contact 5 at the axle center of rotating guide 8, and rotating guide 8 is connect by translating contact 5 with resistance band 3, rotation
It is equipped with unclosed resistance ring 2 above guide plate 8, is equipped with contact on the endpoint of resistance ring 2, contact is fixedly connected with resistance band 3,
Resistance ring 2 is equipped with the running contact 4 driven by rotating guide 8；One end of location guide 7 on rotating guide 8, guide rod 7 it is another
The hinged displacement sensor rod 6 in one end；The contact sets of 2 one end of running contact 4 and resistance ring are at angular displacement signal output end 9, resistance band 3
One end and translation contact 5 form displacement of the lines signal output end 10.
Resistance ring 2, running contact 4, rotating guide 8 are that axle center is constituted angular displacement test device, angular displacement to translate contact 5
Test device and resistance band 3 collectively form displacement of the lines test device, and both angular displacement test device and displacement of the lines test device are simultaneously
Connection distinguishes angle displacement signal and displacement of the lines signal with the movement of guide rod 7.
When displacement sensor rod 6 is rotated with guide rod 7, rotate rotating guide 8, to make the fixation of 2 one end of resistance ring
The angular displacement signal of variation is exported between contact and running contact 4；When guide rod 7 moves horizontally, contact 5 is translated along resistance band
3 is mobile, and the displacement of the lines signal of variation is exported between one end of resistance band 3.
As shown in Figs. 1-2, resistance ring 2 is located at the edge of rotating guide 8.
As shown in Figs. 1-2, the opening of resistance ring 2 and running contact 4 are opposite.
As shown in Figs. 1-2, guide rod 7 is fixed on the opening of resistance ring 2.
As shown in Figs. 1-2, rotating guide 8 is round.
As shown in Figs. 1-2, translation guide plate 1 is rectangle.
A kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor of the present invention in practical applications, translates
Guide plate 1 is installed on body side 12, and displacement sensor rod 6 is fixed on suspension master end 13, and 6 length of displacement sensor rod can be according to implementation
The size of suspension 14 is adjusted, and displacement sensor rod 6 can rotate 360 °, to adapt to the angle of suspension 14 installation forms and vehicle body
Degree relationship；External power supply input terminal 11 is connect with outside 12V power supply and is powered, confession can also be directly connect with Vehicular accumulator cell
Electricity, angular displacement signal output end 9 and displacement of the lines signal output end 10 are all connected with data acquisition equipment front end, believe for output voltage
Number.
Before test, adjusted by the voltage signal that angular displacement signal output end 9 and displacement of the lines signal output end 10 export
Zero standard is fixed, i.e., power assembly stationary state when corresponding voltage signal be zero shift；Sensor output sensitivity is demarcated, is led to
The physical slot calibration sensor displacement output of normal power assembly flameout state is 0, and positive value represents counterclockwise or+X is to movement, is born
Value represents clockwise or-X to movement.
When carrying out real-time displacement test, by record two-way voltage output signal obtain suspension 14 practical displacement of the lines with
Angular displacement, to realize the measurement to straight-line displacement and angle displacement.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (6)
1. a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor, it is characterised in that: including translating guide plate (1)；Institute
It states translation guide plate (1) and is equipped with resistance band (3), the both ends of the resistance band (3) are all connected with external power supply input terminal (11), described
Rotating guide (8) are equipped with above resistance band (3), translation contact (5), the rotation are equipped at the axle center of the rotating guide (8)
Guide plate (8) is connect by the translation contact (5) with the resistance band (3), is equipped with above the rotating guide (8) unclosed
Resistance ring (2) is equipped with contact on the endpoint of the resistance ring (2), and the contact is fixedly connected with the resistance band (3), institute
It states resistance ring (2) and is equipped with the running contact (4) driven by the rotating guide (8)；Location guide on the rotating guide (8)
(7) one end, the hinged displacement sensor rod of the other end (6) of the guide rod (7)；The running contact (4) and the resistance ring (2)
The contact sets of one end are at angular displacement signal output end (9), one end of the resistance band (3) and translation contact (5) group
At displacement of the lines signal output end (10).
2. a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor according to claim 1, it is characterised in that:
The resistance ring (2) is located at the edge of the rotating guide (8).
3. a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor according to claim 1, it is characterised in that:
The opening of the resistance ring (2) and the running contact (4) are opposite.
4. a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor according to claim 1, it is characterised in that:
The guide rod (7) is fixed on the opening of the resistance ring (2).
5. a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor according to claim 1, it is characterised in that:
The rotating guide (8) is round.
6. a kind of dynamic assembly suspension dynamic multidimensional degree displacement measurement sensor according to claim 1, it is characterised in that:
The translation guide plate (1) is rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069532.3A CN109579682B (en) | 2019-01-24 | 2019-01-24 | Dynamic multidimensional displacement test sensor for power assembly suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910069532.3A CN109579682B (en) | 2019-01-24 | 2019-01-24 | Dynamic multidimensional displacement test sensor for power assembly suspension |
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| Publication Number | Publication Date |
|---|---|
| CN109579682A true CN109579682A (en) | 2019-04-05 |
| CN109579682B CN109579682B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910069532.3A Active CN109579682B (en) | 2019-01-24 | 2019-01-24 | Dynamic multidimensional displacement test sensor for power assembly suspension |
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| Country | Link |
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| CN (1) | CN109579682B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110231405A (en) * | 2019-06-19 | 2019-09-13 | 中汽研（天津）汽车工程研究院有限公司 | A kind of test method of viscoelastic material elasticity modulus and damping loss factor |
| CN111024015A (en) * | 2019-12-17 | 2020-04-17 | 东风商用车有限公司 | Method and system for measuring space displacement for automobile |
| CN115493858A (en) * | 2022-11-16 | 2022-12-20 | 浙江凌昇动力科技有限公司 | Measuring device and measuring method for attitude angle of automobile power assembly |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110231405A (en) * | 2019-06-19 | 2019-09-13 | 中汽研（天津）汽车工程研究院有限公司 | A kind of test method of viscoelastic material elasticity modulus and damping loss factor |
| CN110231405B (en) * | 2019-06-19 | 2021-12-17 | 中汽研（天津）汽车工程研究院有限公司 | Method for testing elastic modulus and damping loss factor of viscoelastic material |
| CN111024015A (en) * | 2019-12-17 | 2020-04-17 | 东风商用车有限公司 | Method and system for measuring space displacement for automobile |
| CN111024015B (en) * | 2019-12-17 | 2021-05-11 | 东风商用车有限公司 | Method and system for measuring space displacement for automobile |
| CN115493858A (en) * | 2022-11-16 | 2022-12-20 | 浙江凌昇动力科技有限公司 | Measuring device and measuring method for attitude angle of automobile power assembly |
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| Publication number | Publication date |
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| CN109579682B (en) | 2024-04-26 |
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