CN205681353U - A kind of vehicle positioning is followed the tracks of and impact alarm device - Google Patents
A kind of vehicle positioning is followed the tracks of and impact alarm device Download PDFInfo
- Publication number
- CN205681353U CN205681353U CN201620626441.7U CN201620626441U CN205681353U CN 205681353 U CN205681353 U CN 205681353U CN 201620626441 U CN201620626441 U CN 201620626441U CN 205681353 U CN205681353 U CN 205681353U
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- casing
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- 239000002184 metal Substances 0.000 claims abstract description 24
- 229910052751 metal Inorganic materials 0.000 claims abstract description 24
- 230000005284 excitation Effects 0.000 claims abstract description 7
- 230000001133 acceleration Effects 0.000 claims abstract description 6
- 239000000758 substrate Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- 230000003044 adaptive effect Effects 0.000 abstract description 3
- 238000005452 bending Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 229910000906 Bronze Inorganic materials 0.000 description 3
- 239000010974 bronze Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 229910052790 beryllium Inorganic materials 0.000 description 1
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
This utility model relates to a kind of vehicle positioning to be followed the tracks of and impact alarm device, belongs to technical field of automotive electronics.Be designed with otic placode on upper lower casing left and right sides wall, front-rear side walls end is designed with confined planes, equipped with acceleration transducer on upper casing left or right sidewall, equipped with the circuit board of band transmitter unit on lower casing diapire；Upper lower ear plate connects through screw and is crimped with cantilever beam type metal basal board therebetween, the piezoelectric chip composition piezoelectric vibrator that metal basal board is bonding with its upper and lower both sides；The upper and lower both sides of metal basal board free end are respectively provided with moving magnet one and mass, and mass lower end is equipped with moving magnet two；Moving magnet one, mass and moving magnet two constitute excitation arm；Upper lower casing lumen width is less than metal basal board width, more than piezoelectric chip width；On upper casing roof equipped with on fixed magnet one, lower casing diapire equipped with fixed magnet two.Advantage characteristic: adaptive capacity to environment is strong, effective band width；Generating capacity is strong, reliability is high；Vehicle body recesses can be embedded in as individual components, safe and reliable.
Description
Technical field
This utility model belongs to technical field of automotive electronics, is specifically related to a kind of vehicle positioning and follows the tracks of and collision alerts dress
Put.
Background technology
Bus location navigation system is widely used in actual life.But existing positioner function singleness, mainly
To guide driver to go to destination as target.From practical angle, vehicle positioning follows the tracks of system also can realize speed in fact
Time monitoring report, the function such as major traffic accidents automatic alarm or the stolen tracking of vehicle, but owing to existing alignment system is to utilize
Electromotor is powered, electromotor power-off or when breaking down alignment system will be unable to work on；Additionally, existing alignment system is all
It is external, can close artificially or be deteriorated, also be not used to the aspect such as speed monitoring and stolen tracking.Therefore, for opening up
The function of exhibition alignment system and practicality, first need to solve the energy supply problem of alignment system, and need to be by power supply and location system
System is concealed, install hermetically, to improve reliability and safety.
Summary of the invention
For expanding the function of vehicle positioning system, improving its practicality, the utility model proposes a kind of vehicle positioning and follow the tracks of
And impact alarm device.This utility model adopted implementation scheme is that and is designed with upper ear plate, front-rear side walls on the sidewall of upper casing left and right
End is designed with two upper limit planes, lower casing left and right sidewall is designed with lower ear plate, front-rear side walls end is designed with two lower limits
Plane, the width of upper casing inner chamber and the length of lower casing inner chamber left and right directions and fore-and-aft direction is the most equal, upper casing left side wall or the right side
Acceleration transducer is installed on sidewall, lower casing diapire is provided with through screw the circuit board of transmitter unit；The left and right sides
Upper lower ear plate connects through screw respectively, and left side is all crimped with between lower ear plate between lower ear plate and on right side cantilever beam type gold
Belong to substrate, the piezoelectric chip composition piezoelectric vibrator that metal basal board is bonding with its upper and lower both sides；The free end of metal basal board is upper and lower
Both sides are provided with moving magnet one and mass through screw respectively, and mass lower end is provided with moving magnet two through screw；Moving magnet one,
Mass and moving magnet two constitute excitation arm；The lumen width of upper lower casing is less than metal basal board width, more than piezoelectric chip width；
It is provided with on fixed magnet one, lower casing diapire through screw on upper casing roof, through screw, fixed magnet two, fixed magnet one and dynamic magnetic is installed
The distance that ferrum one fixes end away from metal basal board is equal, and fixed magnet two is positioned at the underface of moving magnet two；Fixed magnet one and moving magnet
The opposite pole of one is mounted opposite, and fixed magnet two is mounted opposite with the like pole of moving magnet two.
During inoperative, encourage the feeling of heaviness in the arm power captivation with its suffered fixed magnet one and the repulsive force sum phase of fixed magnet two
Deng, piezoelectric vibrator does not occurs bending and deformation；In vehicle driving process to the left or to the right, due to excitation arm inertia force and moment of inertia
Effect, in the vertical guide parallel with vehicle traveling direction any direction jolt and vibrate all will make piezoelectric vibrator generation bending shake
Dynamic, thus convert mechanical energy into electric energy；The electric energy generated, is sent out for signal after converted process to circuit board through wire transmission
Penetrating unit to power, the information such as the position of vehicle and speed are launched by signal transmitter unit by set time interval；When
When vehicle is by strongly clashing into, the measured value of acceleration transducer exceedes set threshold value, and warning system is waken up, transmitter unit
Send an SOS.
Under the preferable running environment of the road conditions such as highway, the pitch amplitude of vehicle self is less, and it vibrates width
It is worth and is amplified by the coupling between fixed magnet one and moving magnet one, i.e. make piezoelectric vibrator and excitation arm leave flat when ambient vibration
Weighing apparatus position and when upwards vibrating, fixed magnet one and moving magnet one spacing is gradually reduced, captivation is gradually increased, so that piezoelectricity
The deflection of oscillator and generating capacity increase；Nonlinear Coupling between fixed magnet one and moving magnet one not only increases pressure
Electric tachometer indicator deflection and generating capacity, also widened the effective frequency belt width of vibratory response simultaneously.
Vehicle is through deceleration strip or travels on rough and uneven in surface road surface, and excessive vibration amplitude will make metal basal board abut in
On upper limit plane or lower limit plane, damage so that it is guaranteed that piezoelectric chip is unlikely because suffered stress is excessive.In this utility model, for
Improving piezoelectric vibrator generating capacity and reliability, piezoelectric chip is the PZT4 of 0.2mm, metal basal board is beryllium-bronze, metal basal board
Be 1～2.5 with the ratio of piezoelectric chip thickness, now the generating capacity of piezoelectric vibrator compared with strong, energy comparison is big；Energy ratio refers to each
The produced electric energy of piezoelectric vibrator first order buckling deformation of different-thickness ratio and the ratio of maximum therein；For this utility model
Utilizing the piezoelectric vibrator that PZT4 and beryllium-bronze substrate are constituted, the reasonable radius of curvature of bound plane isWherein α=hm/hpFor thickness ratio, hmAnd hpIt is respectively metal basal board and piezo crystals
Sheet thickness.
Advantage and characteristic: locating and tracking of the present utility model and alarm device can collect the lead parallel with vehicle traveling direction
In vertical plane any direction jolt and vibrational energy generates electricity, adaptive capacity to environment is strong, effective band width；Holding capacity and moment of flexure simultaneously
Effect, stress distribution is uniform and maximum stress is controlled, and generating capacity is strong, reliability is high；Locating and tracking and alarm device can conducts
Individual components is embedded in vehicle body recesses, safe and reliable.
Accompanying drawing explanation
Fig. 1 is locating and tracking and the structural representation of alarm device in one preferred embodiment of this utility model；
The A-A sectional view of Fig. 2 Fig. 1；
Fig. 3 is the structural representation of upper casing in one preferred embodiment of this utility model；
Fig. 4 is the B-B sectional view of Fig. 3；
Fig. 5 is that in one preferred embodiment of this utility model, piezoelectric vibrator energy compares relation curve than with thickness.
Detailed description of the invention
Be designed with upper ear plate a1 on the left and right sidewall of upper casing a, the end of front-rear side walls is designed with two upper limit plane a2, under
Be designed with lower ear plate b1 on the left and right sidewall of shell b, the end of front-rear side walls is designed with two lower limit plane b2, the inner chamber of upper casing a
The most equal with the width of the length of the inner chamber left and right directions of lower casing b and fore-and-aft direction, the left side wall of upper casing a or right side wall are pacified
Equipped with acceleration transducer S2, the diapire of lower casing b is provided with through screw the circuit board c of transmitter unit S1；The left and right sides
Upper ear plate a1 and lower ear plate b1 connects through screw respectively, between left side upper ear plate a1 and lower ear plate b1 and the upper ear plate a1 on right side
And between lower ear plate b1, all it is crimped with cantilever beam type metal basal board h1, the piezo crystals that metal basal board h1 is bonding with its upper and lower both sides
Sheet h2 constitutes piezoelectric vibrator h；The both sides up and down of the free end of metal basal board h1 are provided with moving magnet one e1 and matter through screw respectively
Gauge block f, mass f lower end is provided with moving magnet two e2 through screw；Moving magnet one e1, mass f and moving magnet two e2 constitute and swash
Encourage arm J；The lumen width of upper casing a and the lower casing b width less than metal basal board h1, the width more than piezoelectric chip h2；Upper casing a's
Be provided with through screw on roof on the diapire of fixed magnet one d1, lower casing b through screw be provided with fixed magnet two d2, fixed magnet one d1 with
The distance that moving magnet one e1 fixes end away from metal basal board h1 is equal, and fixed magnet two d2 is positioned at the underface of moving magnet two e2；Determine magnetic
Ferrum one d1 is mounted opposite with the opposite pole of moving magnet one e1, and fixed magnet two d2 is relative with the like pole of moving magnet two e2 to be pacified
Dress.
During inoperative, the captivation of fixed magnet one d1 that excitation arm J gravity is suffered with it and the repulsive force of fixed magnet two d2
Sum is equal, and piezoelectric vibrator h does not occurs bending and deformation；In vehicle driving process to the left or to the right, owing to encouraging the inertia force of arm J
And moment of inertia effect, in the vertical guide parallel with vehicle traveling direction, any direction jolts and vibrates and all will make piezoelectric vibrator
H produces bending vibration, thus converts mechanical energy into electric energy；The electric energy generated through wire transmission to circuit board c, converted place
Power for signal transmitter unit S1 after reason, signal transmitter unit S1 by set time interval by the position of vehicle and speed etc.
Information is launched；When vehicle is by strongly clashing into, the measured value of acceleration transducer exceedes set threshold value, warning system
Being waken up, transmitter unit S1 sends an SOS.
Under the preferable running environment of the road conditions such as highway, the pitch amplitude of vehicle self is less, and it vibrates width
It is worth and is amplified by the coupling between fixed magnet one d1 and moving magnet one e1, i.e. make piezoelectric vibrator h and excitation arm J when ambient vibration
When leaving equilbrium position and upwards vibrate, fixed magnet one d1 and moving magnet one e1 spacing is gradually reduced, captivation is gradually increased,
So that the deflection of piezoelectric vibrator h and generating capacity increase；Non-linear coupling between fixed magnet one d1 and moving magnet one e1
Effect not only increases piezoelectric vibrator h deflection and generating capacity, has also widened the effective frequency belt width of vibratory response simultaneously.
Vehicle is through deceleration strip or travels on rough and uneven in surface road surface, and excessive vibration amplitude will make metal basal board h1 recline
On upper limit plane a2 or lower limit plane b2, damage so that it is guaranteed that piezoelectric chip h2 is unlikely because suffered stress is excessive.This practicality
In novel, for improving generating capacity and the reliability of piezoelectric vibrator h, piezoelectric chip is the PZT4 of 0.2mm, metal basal board is that beryllium is blue or green
Copper, the ratio of the thickness of metal basal board h1 and piezoelectric chip h2 is 1～2.5, and now the generating capacity of piezoelectric vibrator h is relatively strong, energy
Bigger；Energy deforms produced electric energy and maximum therein than the piezoelectric vibrator h first order buckling referring to variant thickness ratio
The ratio of value；PZT4 and the piezoelectric vibrator h of beryllium-bronze substrate composition, upper limit plane a2 and lower limit plane are utilized for this utility model
The reasonable radius of curvature of b2 isWherein α=hm/hpFor thickness ratio, hmAnd hpPoint
Wei metal basal board h1 and the thickness of piezoelectric chip h2.
Locating and tracking of the present utility model can be collected in the vertical guide parallel with vehicle traveling direction any with alarm device
The vibrational energy generating in direction, adaptive capacity to environment is strong, bandwidth；Piezoelectric vibrator h holding capacity and Moment, stress distribution simultaneously
Uniformly and maximum stress is controlled, thus generating capacity is strong, reliability is high；Vehicle body recesses, safety can be embedded in as individual components
Reliably.
Claims (1)
1. a vehicle positioning is followed the tracks of and impact alarm device, it is characterised in that: it is designed with upper ear plate, front on the sidewall of upper casing left and right
Rear wall end is designed with two upper limit planes, lower casing left and right sidewall is designed with lower ear plate, front-rear side walls end is designed with two
Individual lower limit plane, the length of upper lower casing inner chamber left and right directions and the width of fore-and-aft direction are the most equal, upper casing left side wall or right side
Acceleration transducer is installed on wall, lower casing diapire is provided with the circuit board of transmitter unit；The upper lower ear plate of the left and right sides
Connect through screw respectively, left side is all crimped with cantilever beam type metal basal board between lower ear plate and on right side between lower ear plate, gold
Belong to the substrate piezoelectric chip bonding with its upper and lower both sides and constitute piezoelectric vibrator；The upper and lower both sides of metal basal board free end are respectively mounted
There are moving magnet one and mass, mass lower end that moving magnet two is installed；Moving magnet one, mass and moving magnet two constitute excitation
Arm；Upper lower casing lumen width is less than metal basal board width, more than piezoelectric chip width；Be provided with on upper casing roof fixed magnet one,
Fixed magnet two is installed on lower casing diapire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626441.7U CN205681353U (en) | 2016-06-15 | 2016-06-15 | A kind of vehicle positioning is followed the tracks of and impact alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620626441.7U CN205681353U (en) | 2016-06-15 | 2016-06-15 | A kind of vehicle positioning is followed the tracks of and impact alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205681353U true CN205681353U (en) | 2016-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620626441.7U Expired - Fee Related CN205681353U (en) | 2016-06-15 | 2016-06-15 | A kind of vehicle positioning is followed the tracks of and impact alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205681353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342708A (en) * | 2017-08-17 | 2017-11-10 | 浙江师范大学 | A kind of self-powered shared bicycle positioner |
-
2016
- 2016-06-15 CN CN201620626441.7U patent/CN205681353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107342708A (en) * | 2017-08-17 | 2017-11-10 | 浙江师范大学 | A kind of self-powered shared bicycle positioner |
| CN107342708B (en) * | 2017-08-17 | 2023-06-16 | 浙江师范大学 | Self-powered shared bicycle positioning device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161109 Termination date: 20170615 |