CN112141248A - Vehicle handle with measurable contact area - Google Patents

Vehicle handle with measurable contact area Download PDF

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Publication number
CN112141248A
CN112141248A CN202011097726.3A CN202011097726A CN112141248A CN 112141248 A CN112141248 A CN 112141248A CN 202011097726 A CN202011097726 A CN 202011097726A CN 112141248 A CN112141248 A CN 112141248A
Authority
CN
China
Prior art keywords
handle
area
vehicle
pressure sensor
flexible film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011097726.3A
Other languages
Chinese (zh)
Inventor
孟飞
朱影
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
University of Shanghai for Science and Technology
Original Assignee
University of Shanghai for Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by University of Shanghai for Science and Technology filed Critical University of Shanghai for Science and Technology
Priority to CN202011097726.3A priority Critical patent/CN112141248A/en
Publication of CN112141248A publication Critical patent/CN112141248A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J27/00—Safety equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40—Sensor arrangements; Mounting thereof
    • B62J45/41—Sensor arrangements; Mounting thereof characterised by the type of sensor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J45/00—Electrical equipment arrangements specially adapted for use as accessories on cycles, not otherwise provided for
    • B62J45/40—Sensor arrangements; Mounting thereof
    • B62J45/42—Sensor arrangements; Mounting thereof characterised by mounting
    • B62J45/422—Sensor arrangements; Mounting thereof characterised by mounting on the handlebar
    • 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
    • G01B7/28—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring contours or curvatures
    • 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
    • G01B7/32—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring areas
    • 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
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • 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
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/2206—Special supports with preselected places to mount the resistance strain gauges; Mounting of supports
    • 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
    • G01L1/20—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress
    • G01L1/22—Measuring force or stress, in general by measuring variations in ohmic resistance of solid materials or of electrically-conductive fluids; by making use of electrokinetic cells, i.e. liquid-containing cells wherein an electrical potential is produced or varied upon the application of stress using resistance strain gauges
    • G01L1/225—Measuring circuits therefor

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Force Measurement Appropriate To Specific Purposes (AREA)

Abstract

The invention provides a vehicle handle with a measurable contact area, which comprises a handle, a flexible film pressure sensor and a handle sleeve, wherein the flexible film pressure sensor is arranged on the handle; a handle sleeve is sleeved on the periphery of the handle, and a flexible film pressure sensor is arranged between the handle and the handle sleeve; the flexible film pressure sensor comprises a pin connecting circuit and a resistance sensing area; the resistance induction area is arranged between the handle and the handle sleeve, and the pin connecting circuit is connected with the resistance induction area and the control system. The flexible film pressure sensor of the handle is arranged, so that the force and the contact area can be effectively measured, the operator of the vehicle can be roughly judged, and unnecessary personal injury caused by the fact that a child contacts the vehicle is avoided.

Description

Vehicle handle with measurable contact area
Technical Field
The invention relates to the technical field of electric vehicles, in particular to a vehicle handle with a measurable contact area.
Background
The existing accelerator of the electric vehicle is arranged on a vehicle handle part, although the operation is simple and convenient, certain danger is brought at the same time: when a child accidentally touches the accelerator of a vehicle handle to start the vehicle, serious traffic accidents can be caused.
In order to avoid the occurrence of the above-mentioned condition, this patent has increased the function of measuring palm area of contact on the basis of keeping former vehicle handle function to this judges that the vehicle operator is adult or children, if adult, then the vehicle normally starts, if children, then the vehicle does not start. Thereby effectively avoiding danger.
Disclosure of Invention
The invention aims to provide a vehicle handle which can measure the contact area and effectively judge whether a vehicle operator is an adult or a child.
In order to achieve the above object, the present invention provides a vehicle handle with a measurable contact area, comprising a handle, a flexible film pressure sensor and a handle cover;
the handle sleeve is sleeved on the periphery of the handle, and the flexible film pressure sensor is arranged between the handle and the handle sleeve;
the flexible film pressure sensor comprises a pin connecting circuit and a resistance sensing area; the resistance sensing area is arranged between the handle and the handle sleeve, and the pin connecting circuit is connected with the resistance sensing area and the control system.
Furthermore, the handle is of a hollow structure, the handle is matched and lapped with a ring piece at the installation position of the vehicle handle, a magnetic block is arranged inside the handle, a Hall element is arranged on the ring piece, and electric signals with different amplitudes are formed through the matching induction of the magnetic block and the Hall element, so that a circuit is controlled.
Furthermore, the handle sleeve is a rubber sleeve, so that the handle sleeve is easy to deform, and the flexible film pressure sensor can conveniently sense the contact area of a hand in contact with the handle sleeve.
Further, the control system comprises a threshold module, wherein the threshold module comprises a pressure threshold and a force-receiving area threshold, and the pressure threshold and the force-receiving area threshold are both used for judging whether the vehicle is in a false touch state or not.
Furthermore, the whole resistance sensing area of the flexible film pressure sensor is cylindrical, and the resistance sensing area is in interference fit with the handle and is sleeved between the handle and the handle sleeve.
Furthermore, the resistance sensing area is a diffused resistor on the substrate made of semiconductor materials, and the resistance sensing area is used for judging the shape and the size of an object pressed on the surface of the device array and the contact area.
Further, the operation principle of the vehicle handle with the measurable contact area is as follows: when a driver holds the handle, the handle sleeve deforms according to the pressure of the hand of the driver, the flexible film pressure sensor senses the size of the holding power and the size of the stress area, the size of the holding power and the size of the stress area are compared with a preset pressure threshold value and a preset stress area threshold value, and whether the driving is qualified or not is judged.
Compared with the prior art, the invention has the advantages that: the flexible film pressure sensor of the handle is arranged, so that the force and the contact area can be effectively measured, the operator of the vehicle can be roughly judged, and unnecessary personal injury caused by the fact that a child contacts the vehicle is avoided.
Drawings
FIG. 1 is a schematic view of a vehicle handle with a measurable contact area according to an embodiment of the present invention;
FIG. 2 is a schematic view of a vehicle handle and a vehicle in accordance with an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a flexible film pressure sensor according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be further described below.
As shown in FIG. 1, the present invention provides a vehicle handle with a measurable contact area, comprising a handle 1, a flexible film pressure sensor 2 and a grip cover 3;
a handle sleeve 3 is sleeved on the periphery of the handle 1, and a flexible film pressure sensor 2 is arranged between the handle 1 and the handle sleeve 3;
as shown in fig. 3, the flexible film pressure sensor 2 includes a pin connection circuit 21 and a resistance sensing area 22; the resistance sensing area 22 is arranged between the handle 1 and the handle sleeve 3, and the pin connecting circuit 21 is connected with the resistance sensing area 22 and the control system; the resistance sensing area 22 senses the contact area of the operator and the contact pressure, thereby transmitting contact information to the control system.
In this embodiment, handle 1 is hollow structure, as shown in fig. 2, handle 1 and the loop forming element cooperation overlap joint of vehicle handle mounted position, and handle 1 is inside to be equipped with the magnetic path, is equipped with hall element on the loop forming element, and after the operator rotated the vehicle handle, the unequal signal of telecommunication of hall element output range comes control circuit to the revolution of control motor controls the speed of electric motor car.
In this embodiment, handle cover 3 is the rubber sleeve, easily takes place deformation, and the area of contact of the staff of the flexible film pressure sensor 2 response contact of being convenient for, after operator contact rubber sleeve, corresponding deformation takes place for the rubber sleeve, extrudes flexible film pressure sensor 2 to the size and the contact pressure of the flexible film pressure sensor 2 sensing area of contact of being convenient for.
In this embodiment, the control system includes a threshold module, and the threshold module includes a pressure threshold and a force-receiving area threshold, and both the pressure threshold and the force-receiving area threshold are used to determine whether the vehicle is in a false touch state.
In this embodiment, the whole resistance sensing area 22 of the flexible film pressure sensor 2 is cylindrical, and the resistance sensing area 22 is in interference fit with the handle 1 and is sleeved between the handle 1 and the grip sleeve 3.
In this embodiment, the resistive sensing area 22 is a diffused resistor on a substrate of semiconductor material, and the resistive sensing area 22 is used for determining the size of the shape and the contact area of an object pressed on the surface of the device array.
In this embodiment, the operation principle of the vehicle handle with the measurable contact area is as follows: when a driver holds the handle, the handle sleeve 3 deforms according to the pressure of the hand of the driver, the flexible film pressure sensor 2 senses the size of the grip strength and the size of the stress area, the values are compared with a preset pressure threshold value and a preset stress area threshold value, and whether the driving is qualified is judged; and if the stress area is smaller than the stress area threshold value, judging that the electric vehicle is a child, stopping the control system, and if the stress area is larger than the stress area threshold value, judging that the electric vehicle is an adult, and at the moment, continuously operating the control system to drive the electric vehicle to travel.
The above description is only a preferred embodiment of the present invention, and does not limit the present invention in any way. It will be understood by those skilled in the art that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (7)

1. A vehicle handle with a measurable contact area is characterized by comprising a handle, a flexible film pressure sensor and a handle sleeve;
the handle sleeve is sleeved on the periphery of the handle, and the flexible film pressure sensor is arranged between the handle and the handle sleeve;
the flexible film pressure sensor comprises a pin connecting circuit and a resistance sensing area; the resistance sensing area is arranged between the handle and the handle sleeve, and the pin connecting circuit is connected with the resistance sensing area and the control system.
2. The vehicle handle with the measurable contact area as claimed in claim 1, wherein the handle is a hollow structure, the handle is in fit and lap joint with a ring member at a mounting position of the vehicle handle, a magnetic block is arranged inside the handle, a hall element is arranged on the ring member, and electric signals with different amplitudes are induced by the cooperation of the magnetic block and the hall element, so as to control a circuit.
3. The vehicle handle of claim 1, wherein the handle sleeve is a rubber sleeve that is easily deformable to facilitate the flexible film pressure sensor to sense the contact area of a human hand in contact therewith.
4. The contact area measurable vehicle handle of claim 1 wherein said control system includes a threshold module, said threshold module including a pressure threshold and a force area threshold, said pressure threshold and force area threshold being used to determine whether the vehicle is in a false touch condition.
5. The vehicle handle of claim 1, wherein the resistance sensing area of the flexible film pressure sensor is generally cylindrical, and the resistance sensing area is in interference fit with the handle and is sleeved between the handle and the handle sleeve.
6. The contact area measurable vehicle handle of claim 1 wherein the resistive sensing area is a diffused resistor on a substrate of semiconductor material, said resistive sensing area being used to determine the size of the shape and contact area of an object pressed against the surface of the device array.
7. The contact area measurable vehicle handle as in claim 1, wherein said contact area measurable vehicle handle operates on the principle of: when a driver holds the handle, the handle sleeve deforms according to the pressure of the hand of the driver, the flexible film pressure sensor senses the size of the holding power and the size of the stress area, the size of the holding power and the size of the stress area are compared with a preset pressure threshold value and a preset stress area threshold value, and whether the driving is qualified or not is judged.
CN202011097726.3A 2020-10-14 2020-10-14 Vehicle handle with measurable contact area Pending CN112141248A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011097726.3A CN112141248A (en) 2020-10-14 2020-10-14 Vehicle handle with measurable contact area

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011097726.3A CN112141248A (en) 2020-10-14 2020-10-14 Vehicle handle with measurable contact area

Publications (1)

Publication Number Publication Date
CN112141248A true CN112141248A (en) 2020-12-29

Family

ID=73953097

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011097726.3A Pending CN112141248A (en) 2020-10-14 2020-10-14 Vehicle handle with measurable contact area

Country Status (1)

Country Link
CN (1) CN112141248A (en)

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