CN217347560U - Terrain self-adaptive seat position adjusting and controlling circuit for scooter - Google Patents
Terrain self-adaptive seat position adjusting and controlling circuit for scooter Download PDFInfo
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- CN217347560U CN217347560U CN202221387495.4U CN202221387495U CN217347560U CN 217347560 U CN217347560 U CN 217347560U CN 202221387495 U CN202221387495 U CN 202221387495U CN 217347560 U CN217347560 U CN 217347560U
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- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Abstract
The utility model provides a terrain adaptive scooter seat position adjusting and controlling circuit, which comprises an angle sensor, a displacement sensor, a voltage comparator, a position adjusting motor, a forward rotation driving power supply circuit, a reverse rotation driving power supply circuit and a power module; the angle sensor and the displacement sensor are respectively and correspondingly connected to two input ends of the voltage comparator, and the output end of the voltage comparator is simultaneously connected with the forward rotation driving power supply circuit and the reverse rotation driving power supply circuit. The effect is as follows: simple structure, control is convenient, can control the tilt state and the seat position of car of riding instead of walk fast through angle sensor and displacement sensor, can realize the regulation of seat position fast based on the comparison of two way signals of angle sensor and displacement sensor for the seat position can adapt to the current topography condition fast, promotes the security performance of car of riding instead of walk when going up the downhill path or going up and down stairs.
Description
Technical Field
The utility model relates to a car control technical field rides instead of walk, concretely relates to topography self-adaptation car seat position control circuit of riding instead of walk.
Background
With the development of economy and technology, the scooter has been widely applied to the daily life of people, and particularly for people with inconvenient actions, the appearance of the scooter basically solves the travel problems of the people. However, most of the conventional mobility scooter adopts a three-wheel or four-wheel wheeled structure, such as 202121541252.7, which discloses a mobility scooter for disabled people; adopt wheeled structure's car of riding instead of walk is usually only limited to and drives on flat urban road, when meetting pit or muddy road, often can launch jolt or skid to cause and travel inconvenient or even unable the driving, in order to solve above-mentioned problem, the researcher has designed crawler-type car of riding instead of walk, ordinary crawler-type car seat of riding instead of walk is fixed the setting usually and supports mid point position at the track, when level road surface or ground travel, chassis support mid point can with the coincidence of seat focus, the human body is in safe state. However, when going up or down a slope or stairs, the seat center of gravity and the chassis support midpoint will no longer coincide and the larger the angle, the larger the offset. As shown in fig. 1, in an uphill state, the center of gravity of the seat is positioned behind the center point of the chassis support, and backward overturning is easy to occur in the advancing process; as shown in figure 2, in a downhill state, the gravity center of the seat is positioned in front of the center point of the chassis support, and forward overturning is easy to occur in the advancing process, so that great potential safety hazard is brought to a user.
Although some people in the prior art also design an all-terrain scooter, different terrain requirements are met by changing a driving mode, for example, the intelligent multifunctional all-terrain wheelchair for the elderly, disclosed in the Chinese patent 201611116620.7, is relatively complex in structure and inconvenient to control.
SUMMERY OF THE UTILITY MODEL
Based on the demand, the utility model aims to provide a topography self-adaptation car seat position control circuit of riding instead of walk detects through the slope to the car state of walking instead of walk under, adjusts the position that the seat focus was located to satisfy the stable walking under the different topography circumstances.
In order to achieve the above object, the utility model adopts the following technical scheme:
the utility model provides a topography self-adaptation seat position control circuit of riding instead of walk which the key lies in: the device comprises an angle sensor for detecting the inclination degree of a vehicle, a displacement sensor for detecting the movement distance of a seat, a voltage comparator for comparing the output signals of the angle sensor and the displacement sensor, a position adjusting motor for changing the position of the seat, a forward rotation driving power supply circuit for controlling the forward rotation of the position adjusting motor, a reverse rotation driving power supply circuit for controlling the reverse rotation of the position adjusting motor, and a power supply module for supplying power to the angle sensor, the displacement sensor, the voltage comparator, the forward rotation driving power supply circuit and the reverse rotation driving power supply circuit; the angle sensor and the displacement sensor are respectively and correspondingly connected to two input ends of the voltage comparator, and the output end of the voltage comparator is simultaneously connected with the forward rotation driving power supply circuit and the reverse rotation driving power supply circuit.
Optionally, the angle sensor is a rotary potentiometer, and the displacement sensor is a linear potentiometer.
Optionally, the angle sensor is connected to a positive input terminal of the voltage comparator, and the displacement sensor is connected to a negative input terminal of the voltage comparator.
Optionally, the forward driving power supply circuit includes a transistor Q1, the transistor Q1 is an NPN transistor, a base of the transistor Q1 is connected to the output terminal of the voltage comparator, a base of the transistor Q1 is further connected to the positive electrode of the power module through a pull-up resistor R1, an emitter of the transistor Q1 is connected to the negative electrode of the power module through a zener diode D1, a collector of the transistor Q1 is connected to the positive electrode of the power module through a driving coil of a relay K1, a diode D2 is connected in parallel to the driving coil of the relay K1 in a reverse direction, and two normally open switches of the relay K1 are respectively connected in series to two power connection terminals of the position adjusting motor.
Optionally, a positive power terminal of the position adjusting motor is connected to the positive terminal of the power module through a normally open switch of the relay K1, and a negative power terminal of the position adjusting motor is connected to the negative terminal of the power module through another normally open switch of the relay K1.
Optionally, the reverse driving power supply circuit includes a transistor Q2, the transistor Q2 is a PNP transistor, a base of the transistor Q2 is connected to the output end of the voltage comparator, a base of the transistor Q2 is further connected to a negative electrode of the power module through a pull-down resistor R2, an emitter of the transistor Q2 is connected to a positive electrode of the power module through a zener diode D3, a collector of the transistor Q2 is connected to the negative electrode of the power module through a driving coil of a relay K2, a diode D4 is connected in parallel to the driving coil of the relay K2 in a reverse direction, and two normally open switches of the relay K2 are respectively connected in series to two power terminals of the position adjusting motor.
Optionally, a positive power terminal of the position adjustment motor is connected to the negative end of the power module through a normally open switch of the relay K2, and a negative power terminal of the position adjustment motor is connected to the positive end of the power module through another normally open switch of the relay K2.
Optionally, the position adjustment motor is a turbo-reduction motor.
The utility model has the effects that:
the utility model provides a topography self-adaptation car seat position regulation and control circuit of riding instead of walk, simple structure, control is convenient, can command the tilt state and the seat position of car of riding instead of walk fast through angle sensor and displacement sensor, can realize the regulation of seat position fast based on the comparison of two tunnel signals of angle sensor and displacement sensor for the current topography condition of seat position can be adapted to fast, promotes the security performance of car of riding instead of walk when last downhill path or walk upstairs or downstairs.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below.
FIG. 1 is a schematic view of center of gravity shifting of a conventional tracked vehicle in an uphill condition;
FIG. 2 is a schematic view of center of gravity shifting of a conventional tracked vehicle in a downhill configuration;
FIG. 3 is a schematic block diagram of the circuit of the present invention;
fig. 4 is a schematic circuit diagram of the present invention;
FIG. 5 is a schematic view of the center of gravity of the scooter on the slope after the seat position is adjusted by the present invention;
fig. 6 is a schematic view of the gravity center of the scooter in a downhill state after the seat position is adjusted by the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
As shown in fig. 3 and 4, the present embodiment provides a terrain adaptive scooter seat position adjusting and controlling circuit, which includes an angle sensor for detecting a vehicle inclination degree, a displacement sensor for detecting a seat movement distance, a voltage comparator for comparing magnitudes of output signals of the angle sensor and the displacement sensor, a position adjusting motor for changing a seat position, a forward rotation driving power supply circuit for controlling a forward rotation of the position adjusting motor, a reverse rotation driving power supply circuit for controlling a reverse rotation of the position adjusting motor, and a power module for supplying power to the angle sensor, the displacement sensor, the voltage comparator, the forward rotation driving power supply circuit, and the reverse rotation driving power supply circuit; the angle sensor and the displacement sensor are respectively and correspondingly connected to two input ends of the voltage comparator, and the output end of the voltage comparator is simultaneously connected with the forward rotation driving power supply circuit and the reverse rotation driving power supply circuit.
As can be seen from fig. 4, in this embodiment, the angle sensor adopts a rotary potentiometer and is connected to the positive phase input end of the voltage comparator, the displacement sensor adopts a linear potentiometer and is connected to the negative phase input end of the voltage comparator, the position adjusting motor adopts a turbine speed reducing motor, and the seat can be driven to move forward or backward by the forward rotation or the reverse rotation of the turbine speed reducing motor, so as to adjust the center of gravity of the seat.
In order to realize the switching control of the forward rotation and the reverse rotation of the position adjusting motor, in specific implementation, the forward rotation driving power supply circuit comprises a triode Q1, the triode Q1 is an NPN-type triode, a base electrode of the triode Q1 is connected with an output end of the voltage comparator, a base electrode of the triode Q1 is also connected with a positive electrode of the power module through a pull-up resistor R1, an emitter electrode of the triode Q1 is connected with a negative electrode of the power module through a zener diode D1, a collector electrode of the triode Q1 is connected with the positive electrode of the power module through a driving coil of a relay K1, a diode D2 is connected in parallel in a reverse direction on the driving coil of the relay K1, and two normally open switches of the relay K1 are respectively connected in series with two power connection terminals of the position adjusting motor. As can be seen from fig. 4, the positive power terminal of the position-adjusting motor is connected to the positive terminal of the power module through a normally-open switch of the relay K1, and the negative power terminal of the position-adjusting motor is connected to the negative terminal of the power module through another normally-open switch of the relay K1.
The inversion driving power supply circuit comprises a triode Q2, the triode Q2 is a PNP triode, the base electrode of the triode Q2 is connected with the output end of the voltage comparator, the base electrode of the triode Q2 is also connected with the negative electrode of the power supply module through a pull-down resistor R2, the emitting electrode of the triode Q2 is connected with the positive electrode of the power supply module through a voltage stabilizing diode D3, the collecting electrode of the triode Q2 is connected with the negative electrode of the power supply module through a driving coil of a relay K2, a diode D4 is connected in parallel in a reverse direction on the driving coil of a relay K2, and two normally open switches of the relay K2 are respectively connected in series with two power supply terminals of the position adjusting motor. As can be seen from fig. 4, the positive power terminal of the position adjustment motor is connected to the negative terminal of the power module through a normally open switch of the relay K2, and the negative power terminal of the position adjustment motor is connected to the positive terminal of the power module through another normally open switch of the relay K2.
The utility model discloses a theory of operation is:
the pitching angle of the scooter is detected through an angle sensor, so that the gradient condition of the current running road surface can be determined, the offset distance between the gravity center of the seat and a supporting point under different gradients can be predetermined by combining specific size parameters of the scooter, and by taking the conditions shown in fig. 1 and 2 as examples, under the condition that the gradient is 30 degrees, the gravity center of the seat lags behind 442.22mm when ascending, backward overturning is easy to occur, and under the condition that the gradient is descending, the gravity center of the seat is advanced by 442.22mm and forward overturning is easy to occur, so that forward moving or backward moving of the seat can be realized by changing the steering direction of a position adjusting motor according to the installation direction of the position adjusting motor;
the distance of seat antedisplacement or retrusion can be detected through displacement sensor, through the earlier stage correction to angle sensor and displacement sensor signal, can realize under the different slope circumstances with the produced displacement sensor signal phase-match of angle sensor signal and the seat removal distance that corresponds, compare the size of two way signals through the voltage comparator, can regard as the drive reference signal of position control motor.
Taking the circuit shown in fig. 4 as an example, when the angle sensor signal is greater than the displacement sensor signal, the voltage is relatively strong (the comparison amplifier) and outputs a high-level signal, the transistor Q1 is turned on, the relay K1 is powered on and works, the normally open switch of the relay K1 is closed, so that the position adjusting motor is powered on and rotates in the forward direction, the transistor Q2 is turned off, and the relay K2 maintains a normally open state; when the angle sensor signal is less than the displacement sensor signal, the voltage is stronger (a comparison amplifier) and outputs a low level signal, the triode Q1 is disconnected, the current of the relay K1 is blocked, the switch maintains a normally open state, the triode Q2 is closed, the relay K2 is powered on to work, the normally open switch of the relay K2 is closed, so that the position adjusting motor is powered on to rotate reversely, the seat position is driven to move through the forward and reverse rotation of the position adjusting motor, when the two sensor voltages are basically equal, the motor stops rotating, the seat is locked, so that the angle sensor signal and the displacement sensor signal maintain dynamic balance, finally, the terrain self-adaptive adjustment of the seat position of the scooter is realized, and the position of the seat after adjustment is as shown in figures 5 and 6, no matter whether the seat is on an upward slope or a downward slope, the gravity center of the seat can be basically coincided with the center point of the chassis support.
In conclusion, the utility model provides a topography self-adaptation car seat position control circuit of riding instead of walk, simple structure, control is convenient, thereby adjusts the focus of the car of riding instead of walk through the position that changes the seat and realizes the topography self-adaptation, has improved the security performance of the car of riding instead of walk.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention, and such changes are intended to be covered by the claims and the specification.
Claims (8)
1. The utility model provides a topography self-adaptation seat position control circuit of riding instead of walk which characterized in that: the device comprises an angle sensor for detecting the inclination degree of a vehicle, a displacement sensor for detecting the movement distance of a seat, a voltage comparator for comparing the output signals of the angle sensor and the displacement sensor, a position adjusting motor for changing the position of the seat, a forward rotation driving power supply circuit for controlling the forward rotation of the position adjusting motor, a reverse rotation driving power supply circuit for controlling the reverse rotation of the position adjusting motor, and a power supply module for supplying power to the angle sensor, the displacement sensor, the voltage comparator, the forward rotation driving power supply circuit and the reverse rotation driving power supply circuit; the angle sensor and the displacement sensor are respectively and correspondingly connected to two input ends of the voltage comparator, and the output end of the voltage comparator is simultaneously connected with the forward rotation driving power supply circuit and the reverse rotation driving power supply circuit.
2. The terrain adaptive ride instead of walk vehicle seat position adjustment and control circuit of claim 1, wherein: the angle sensor adopts a rotary potentiometer, and the displacement sensor adopts a linear potentiometer.
3. The terrain adaptive walk-instead vehicle seat position adjustment and control circuit of claim 1 or 2, characterized in that: the angle sensor is connected to the positive phase input end of the voltage comparator, and the displacement sensor is connected to the negative phase input end of the voltage comparator.
4. The terrain adaptive ride instead of walk vehicle seat position adjustment and control circuit of claim 1, wherein: the forward rotation driving power supply circuit comprises a triode Q1, the triode Q1 is an NPN type triode, the base electrode of the triode Q1 is connected with the output end of the voltage comparator, the base electrode of the triode Q1 is also connected with the positive electrode of the power supply module through a pull-up resistor R1, the emitter electrode of the triode Q1 is connected with the negative electrode of the power supply module through a voltage stabilizing diode D1, the collector electrode of the triode Q1 is connected with the positive electrode of the power supply module through a driving coil of a relay K1, a diode D2 is connected on the driving coil of the relay K1 in a reverse parallel mode, and two normally open switches of the relay K1 are respectively connected to two power supply wiring ends of the position adjusting motor in series.
5. The terrain adaptive ride instead of walk vehicle seat position adjustment and control circuit of claim 4, wherein: and a positive power supply terminal of the position adjusting motor is connected with the positive end of the power module through a normally open switch of a relay K1, and a negative power supply terminal of the position adjusting motor is connected with the negative end of the power module through another normally open switch of a relay K1.
6. The terrain adaptive ride instead of walk vehicle seat position adjustment and control circuit of claim 1 or 4, characterized in that: the reverse rotation driving power supply circuit comprises a triode Q2, the triode Q2 is a PNP type triode, the base of the triode Q2 is connected with the output end of the voltage comparator, the base of the triode Q2 is connected with the negative electrode of the power module through a pull-down resistor R2, the emitting electrode of the triode Q2 is connected with the positive electrode of the power module through a voltage stabilizing diode D3, the collecting electrode of the triode Q2 is connected with the negative electrode of the power module through a driving coil of a relay K2, a diode D4 is connected to the driving coil of the relay K2 in a reverse parallel mode, and two normally open switches of the relay K2 are connected to two power supply connection ends of the position adjusting motor in series respectively.
7. The terrain adaptive ride instead of walk vehicle seat position adjustment and control circuit of claim 6, wherein: and the positive power supply terminal of the position adjusting motor is connected with the negative end of the power module through a normally open switch of a relay K2, and the negative power supply terminal of the position adjusting motor is connected with the positive end of the power module through another normally open switch of a relay K2.
8. The terrain adaptive vehicle seat position adjusting and controlling circuit of claim 1, characterized in that: the position adjusting motor is a turbine speed reducing motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221387495.4U CN217347560U (en) | 2022-06-06 | 2022-06-06 | Terrain self-adaptive seat position adjusting and controlling circuit for scooter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221387495.4U CN217347560U (en) | 2022-06-06 | 2022-06-06 | Terrain self-adaptive seat position adjusting and controlling circuit for scooter |
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| Publication Number | Publication Date |
|---|---|
| CN217347560U true CN217347560U (en) | 2022-09-02 |
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| CN202221387495.4U Active CN217347560U (en) | 2022-06-06 | 2022-06-06 | Terrain self-adaptive seat position adjusting and controlling circuit for scooter |
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| CN (1) | CN217347560U (en) |
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2022
- 2022-06-06 CN CN202221387495.4U patent/CN217347560U/en active Active
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