CN110015359A - A kind of vehicle heel brace and detection method with pressure-detecting device - Google Patents
A kind of vehicle heel brace and detection method with pressure-detecting device Download PDFInfo
- Publication number
- CN110015359A CN110015359A CN201810015451.0A CN201810015451A CN110015359A CN 110015359 A CN110015359 A CN 110015359A CN 201810015451 A CN201810015451 A CN 201810015451A CN 110015359 A CN110015359 A CN 110015359A
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- China
- Prior art keywords
- heel brace
- pressure
- detecting device
- vehicle
- processor
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62H—CYCLE STANDS; SUPPORTS OR HOLDERS FOR PARKING OR STORING CYCLES; APPLIANCES PREVENTING OR INDICATING UNAUTHORIZED USE OR THEFT OF CYCLES; LOCKS INTEGRAL WITH CYCLES; DEVICES FOR LEARNING TO RIDE CYCLES
- B62H1/00—Supports or stands forming part of or attached to cycles
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/18—Measuring force or stress, in general using properties of piezo-resistive materials, i.e. materials of which the ohmic resistance varies according to changes in magnitude or direction of force applied to the material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of vehicle heel brace with pressure-detecting device, including upper end heel brace and lower end heel brace, the upper end heel brace and lower end heel brace slip in connection sleeve, between upper end heel brace and the opposite face of lower end heel brace, equipped with piezoelectric transducer and piezoresistive transducer, the piezoelectric transducer and piezoresistive transducer are connect with processor, and the processor is connect by wireless transport module with user terminal.The vehicle heel brace sends prompting message when bicycle, electric vehicle berth, to user, it is ensured that user latches, and prevents from forgetting to cause any property loss due to latching because of user.
Description
Technical field
The present invention relates to bicycle, electric vehicle manufacturing technology field, be related to a kind of vehicle heel brace with pressure-detecting device and
Detection method.
Background technique
Current bicycle, the popularity rate of electric vehicle are very high, due to user forgets to latch caused by bicycle, electric vehicle it is stolen
Event happens occasionally.As shared bicycle is in the rise of China, because bicycle user forgets to latch after to exempt from bicycle by other people
Expense uses and the event of individual subscriber property loss is caused to happen occasionally.
Traditional vehicle heel brace only pursue mostly bicycle, electric vehicle is in parked state when park stability, seldom
It is related to otherwise function.
Summary of the invention
In view of the above-mentioned problems, the present invention provides a kind of vehicle heel brace with pressure-detecting device, for when bicycle, electronic
When vehicle berths, prompting message is sent to user terminal, it is ensured that user latches, and prevents from forgetting to cause property to damage due to latching because of user
It loses.
The present invention adopts the following technical scheme that:
A kind of vehicle heel brace with pressure-detecting device, including upper end heel brace and lower end heel brace, the upper end heel brace and lower end heel brace
It slips in connection sleeve, between upper end heel brace and the opposite face of lower end heel brace, is equipped with piezoelectric transducer and pressure resistance type passes
Sensor, the piezoelectric transducer and piezoresistive transducer are connect with processor, the processor by wireless transport module with
User terminal connection.
Upper end heel brace connecting vehicle frame does not contact to earth when bicycle, electric vehicle are in riding condition end feet support at present, at processor
In dormant state；When bicycle, electric vehicle berth, lower end heel brace contacts to earth, and piezoelectric transducer stress generates trigger signal and calls out
Awake processor, piezoresistive transducer stress become larger, and measurement data signals are transferred to processor by data line, at this time processor point
The pressure value of precipitation is persistently greater than given threshold, and control wireless transport module sends prompting message to user terminal end, it is ensured that uses
Family latches.
Preferably, the piezoelectric transducer connects charge amplifying circuit, the output interface connection of charge amplifying circuit
Low-power scm；The be under pressure trigger signal of generation of the piezoelectric transducer exports after charge amplifying circuit is amplified,
Trigger wake-up processor.
Preferably, the piezoresistive transducer uses full-bridge circuit connection type, full-bridge circuit output end accesses both-end
The output interface of input difference amplifying circuit, double-width grinding differential amplifier circuit connects low-power scm；It is complete using pressure resistance type
Bridge measuring circuit inhibits temperature drift；Common mode interference is inhibited using double-width grinding differential amplifier circuit；Pressure when bicycle, electric vehicle berth
The pressure that resistive full bridge measurement circuit is subject to becomes larger, and output signal is transferred to processor through the amplification of double-width grinding differential amplifier circuit
Analysis processing.
Preferably, the processor uses low-power scm；The user terminal selects mobile phone.
Preferably, be equipped with pressure protection gasket around the piezoelectric transducer and piezoresistive transducer, prevent because
Pressure crosses havoc piezoelectric transducer and piezoresistive transducer.
Preferably, described connection sleeve one end screws up sealed screw with holes, the sealed screw with connect sleeve
The place of screwing up is lined with water proof rubber gasket.
Preferably, the piezoelectric transducer and piezoresistive transducer and lower end heel brace contact position are lined with yielding rubber pad
Piece mitigates influence of the Touchdown vibration of heel brace when parking to pressure sensor.
Preferably, end face contact position and lower end heel brace and sealed screw between upper end heel brace and connection sleeve it
Between end face contact position be lined with rubber sheet gasket respectively and play waterproof, shock-absorbing function.
A kind of detection method of the vehicle heel brace with pressure-detecting device includes the following steps:
(1) process starts, and processor is in suspend mode；
(2) it detects whether to receive piezoelectric transducer trigger signal, if testing result is otherwise return step (1)；
(3) if in step (2) testing result be it is yes, read piezoresistive transducer pressure value, whether detection pressure value, which is greater than, sets
Threshold value is determined, if testing result is otherwise return step (1)；
(4) if in step (3) testing result be it is yes, wireless transport module sends prompting message, and process terminates.
The utility model has the advantages that the vehicle heel brace is equipped with piezoelectric transducer, piezoresistive transducer, processor, wireless transport module,
Can accurate judgement bicycle, electric vehicle whether be in parked state, when being in parked state, processor control wireless transmission mould
Block sends prompting message to user terminal, it is ensured that user latches, and prevents from forgetting to cause any property loss due to latching because of user.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with tool of the invention
Body embodiment is used to explain the present invention together, is not construed as limiting the invention.
In the accompanying drawings:
Fig. 1 is the overall structure diagram of the embodiment of the present invention；
Fig. 2 is the schematic diagram of the connection sleeve part of the embodiment of the present invention；
Fig. 3 is the piezoelectric transducer trigger circuit partial schematic diagram of the embodiment of the present invention；
Fig. 4 is the piezoresistive transducer measuring circuit partial schematic diagram of the embodiment of the present invention；
Fig. 5 is the overhaul flow chart of the embodiment of the present invention；
Major part is described as follows in figure:
1, lower end heel brace, 2, sealed screw, 3, water proof rubber gasket, 4, rubber sheet gasket, 5, connection sleeve, 6, yielding rubber pad
Piece, 7, piezoelectric transducer, 8, piezoresistive transducer, 9, pressure protection gasket, 10, rubber sheet gasket, 11, upper end heel brace, 12,
Data line, 13, connector lug, 14, low-power scm, 15, wireless transport module, 16, circuit board, 17, piezoelectric transducer electricity
Road, 18, charge amplifying circuit, 19, trigger signal output interface, 20, pressure resistance type full bridge measurement circuit, 21, double-width grinding difference
Amplifying circuit, 22, measuring signal output interface.
Specific embodiment
It elaborates below in conjunction with the drawings and specific embodiments to the present invention.
Embodiment:
Such as Fig. 1: a kind of vehicle heel brace with pressure-detecting device, including upper end heel brace 11 and lower end heel brace 1, the upper end heel brace 11
It is slipped in connection sleeve 5 with lower end heel brace 1, between upper end heel brace 11 and the opposite face of lower end heel brace 1, is equipped with piezoelectric type and passes
Sensor 7 and piezoresistive transducer 8, the piezoelectric transducer 7 and piezoresistive transducer 8 pass through on data line 12 and circuit board 16
Low-power scm 14 connect, the low-power scm 14 by control wireless transport module 15 connect with user mobile phone.
The connection sleeve 5 band circular hole closed at one end, the other end is open, and open-mouth screws up sealed screw 2 with holes, close
Envelope screw 2 is lined with the water-proof function that water proof rubber gasket 3 realizes sleeve inner with 5 place of screwing up of sleeve is connect.
Installation protection gasket 9 prevents from crossing havoc pressure because of pressure around piezoelectric transducer 7 and piezoresistive transducer 8
Electric-type sensor 7 and piezoresistive transducer 8.
Piezoelectric transducer 7 and piezoresistive transducer 8 and 1 contact position of lower end heel brace are lined with yielding rubber gasket 6 and mitigate pool
Influence of the Touchdown vibration of heel brace to pressure sensor when vehicle.
Between end face contact position and lower end heel brace 1 and sealed screw 2 between upper end heel brace 11 and connection sleeve 5
End face contact position is lined with rubber sheet gasket 10 and 4 respectively and plays waterproof, shock-absorbing function.
Such as Fig. 3: piezoelectric transducer circuit 17, including piezoelectric transducer 7, charge amplifying circuit 18, trigger signal are defeated
Outgoing interface 19；The piezoelectric transducer 7 connects charge amplifying circuit 18, and the output interface 19 of charge amplifying circuit connects low function
Consume single-chip microcontroller 14；The piezoelectric transducer 7 be under pressure generation trigger signal through charge amplifying circuit 18 amplification after export,
Triggering wakes up low-power scm 14.
Such as Fig. 4: piezoresistive transducer measuring circuit, including pressure resistance type full bridge measurement circuit 20, pressure resistance type full bridge measurement electricity
The output end on road 20 accesses double-width grinding differential amplifier circuit 21, and the measuring signal output of double-width grinding differential amplifier circuit 21 connects
Mouth 22 connects low-power scms 14；Temperature drift is inhibited using pressure resistance type full bridge measurement circuit 20；Using double-width grinding differential amplification
Circuit 21 inhibits common mode interference；The pressure that pressure resistance type full bridge measurement circuit 20 is subject to when bicycle, electric vehicle berth becomes larger, output
Signal is transferred to 14 analysis of low-power scm processing through the amplification of double-width grinding differential amplifier circuit 21.
A kind of detection method of vehicle heel brace with pressure-detecting device of the present embodiment includes the following steps:
(1) process starts, and low-power scm is in suspend mode；
(2) it detects whether to receive piezoelectric transducer trigger signal, if testing result is otherwise return step (1)；
(3) if in step (2) testing result be it is yes, read piezoresistive transducer pressure value, whether detection pressure value, which is greater than, sets
Threshold value is determined, if testing result is otherwise return step (1)；
(4) if in step (3) testing result be it is yes, wireless transport module sends prompting message, and process terminates.
The course of work: being mounted on bicycle, on electric vehicle for the vehicle heel brace of the invention, and stage lower end vehicle of riding support 1 is not touched
Ground, low-power scm 14 is in a dormant state；It contacts to earth when bicycle, electric vehicle are in parked state end feet support at present 1, piezoelectricity
7 stress of formula sensor generates trigger signal and wakes up low-power scm 14, and 8 stress of the piezoresistive transducer data-signal that becomes larger passes through
Data line 12 is transferred to low-power scm 14, and the pressure value that low-power scm 14 analyzes persistently is greater than given threshold, control
Wireless transport module 15 processed, which is sent, reminds the information that latches to user hand generator terminal, it is ensured that user's completion latches.
The advantages of embodiment of the present invention: the vehicle heel brace of the present embodiment is sent out when bicycle, electric vehicle berth to user mobile phone
Send prompting message, it is ensured that user latches, and prevents from forgetting to cause any property loss due to latching because of user.
It is last it should be noted that: the above description is only a preferred embodiment of the present invention, is not intended to restrict the invention, although
Present invention has been described in detail with reference to the aforementioned embodiments, for those skilled in the art, still can be right
The technical solution of previous embodiment is modified or equivalent replacement of some of the technical features.It is all of the invention
Within spirit and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of vehicle heel brace with pressure-detecting device, it is characterised in that: including upper end heel brace and lower end heel brace, the upper end feet
Support and lower end heel brace slip in connection sleeve, between upper end heel brace and the opposite face of lower end heel brace, are equipped with piezoelectric type and sense
Device and piezoresistive transducer, the piezoelectric transducer and piezoresistive transducer are connect with processor, and the processor passes through nothing
Line transmission module is connect with user terminal.
2. a kind of vehicle heel brace with pressure-detecting device according to claim 1, it is characterised in that: the piezoelectric type sensing
Device connects charge amplifying circuit, and charge amplifying circuit output interface connects processor.
3. a kind of vehicle heel brace with pressure-detecting device according to claim 1, it is characterised in that: the pressure resistance type sensing
Device uses full-bridge circuit connection type, and full-bridge circuit output end accesses double-width grinding differential amplifier circuit, and double-width grinding difference is put
The output interface of big circuit connects processor.
4. a kind of vehicle heel brace with pressure-detecting device according to claim 1, it is characterised in that: the piezoelectric type sensing
Pressure protection gasket is installed around device and piezoresistive transducer.
5. a kind of vehicle heel brace with pressure-detecting device according to claim 1, it is characterised in that: the connection sleeve one
End screws up sealed screw with holes, and the sealed screw is lined with water proof rubber gasket with the sleeve place of screwing up is connect.
6. a kind of vehicle heel brace with pressure-detecting device according to claim 5, it is characterised in that: in upper end heel brace with
The end face contact position between end face contact position and lower end heel brace and sealed screw between connection sleeve is lined with rubber pad respectively
Piece.
7. a kind of vehicle heel brace with pressure-detecting device according to claim 1, it is characterised in that: the piezoelectric type passes
Sensor and piezoresistive transducer and lower end heel brace contact position are lined with yielding rubber gasket.
8. according to claim 1 to a kind of vehicle heel brace with pressure-detecting device described in 7, it is characterised in that: the processor
Using low-power scm；The user terminal selects mobile phone.
9. a kind of detection method of the vehicle heel brace with pressure-detecting device, it is characterised in that: the detection method includes the following steps:
(1) process starts, and processor is in suspend mode；
(2) it detects whether to receive piezoelectric transducer trigger signal, if testing result is otherwise return step (1)；
(3) if in step (2) testing result be it is yes, read piezoresistive transducer pressure value, whether detection pressure value, which is greater than, sets
Threshold value is determined, if testing result is otherwise return step (1)；
(4) if in step (3) testing result be it is yes, wireless transport module sends prompting message, and process terminates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015451.0A CN110015359A (en) | 2018-01-08 | 2018-01-08 | A kind of vehicle heel brace and detection method with pressure-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810015451.0A CN110015359A (en) | 2018-01-08 | 2018-01-08 | A kind of vehicle heel brace and detection method with pressure-detecting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110015359A true CN110015359A (en) | 2019-07-16 |
Family
ID=67187457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810015451.0A Pending CN110015359A (en) | 2018-01-08 | 2018-01-08 | A kind of vehicle heel brace and detection method with pressure-detecting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110015359A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439324A (en) * | 2020-04-23 | 2020-07-24 | 王晨庄 | Shared bicycle and signal support and return analysis system and method based on 5G |
| CN111540127A (en) * | 2020-04-23 | 2020-08-14 | 王晨庄 | Bicycle management system and method for changing and relaying based on 5G protection rights and interests |
-
2018
- 2018-01-08 CN CN201810015451.0A patent/CN110015359A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111439324A (en) * | 2020-04-23 | 2020-07-24 | 王晨庄 | Shared bicycle and signal support and return analysis system and method based on 5G |
| CN111540127A (en) * | 2020-04-23 | 2020-08-14 | 王晨庄 | Bicycle management system and method for changing and relaying based on 5G protection rights and interests |
| CN111439324B (en) * | 2020-04-23 | 2021-07-23 | 临沂边锋自动化设备有限公司 | Shared bicycle and signal support and return analysis system and method based on 5G |
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