CN208915258U - A kind of go to circuit of electric children vehicle - Google Patents
A kind of go to circuit of electric children vehicle Download PDFInfo
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- CN208915258U CN208915258U CN201820824757.6U CN201820824757U CN208915258U CN 208915258 U CN208915258 U CN 208915258U CN 201820824757 U CN201820824757 U CN 201820824757U CN 208915258 U CN208915258 U CN 208915258U
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Abstract
The utility model discloses a kind of go to circuits of electric children vehicle, are applied to electric children vehicle, including voltage detection unit, including the first Hall voltage detection unit and the second Hall voltage detection unit；Signal processing unit receives the voltage signal of the second Hall voltage detection unit and processing, and inputs to the first Hall voltage detection unit, and export the signal instruction of left-hand rotation or right-hand rotation；Execution unit, receipt signal processing unit input signal instruction and execution；And, first Hall voltage detection unit and the second Hall voltage detection unit are connected with signal processing unit respectively, signal processing unit is connected with execution unit, the utility model aim is to provide a kind of go to circuit of electric children vehicle, utilize two voltage detection units, voltage change is generated by it, to control positive/negative turn of steering motor, achieve the purpose that steering wheel is synchronous with steering motor steering, it solves the problems, such as potentiometer poor contact in the prior art simultaneously, is integrally improved product quality.
Description
Technical field
The utility model relates to electric children vehicle fields, and in particular to a kind of go to circuit of electric children vehicle.
Background technique
Currently, children toy car on the market, especially children can be sat on the car body, grasped by the steering wheel on car body
It puts into effect and turns now to operation.The steering wheel of the general electric children vehicle allows children convenient to operate by setting electronic power assist steering circuit
It turns to, which to change voltage by main potentiometer (generally steering wheel) rotation angulation change resistance value, and by miniature
COMPUTER DETECTION output voltage drives go to circuit to drive steering motor with this, and steering motor, which drives from potentiometer, to be rotated, and is changed
Resistance value to changing voltage, the steering for the voltage-contrast confirmation motor that this voltage and main potentiometer generate be it is left in or it is right, it is real
The change of existing rotation direction.
The go to circuit of the prior art is due to changing input/output voltage by adjusting potentiometer, and successively driving turns to electricity
Machine rotation, achievees the purpose that speed regulation, since potentiometer is made of carbon film, brushing piece etc., in use due to potentiometer structure
Reason is easy to appear the problem of poor contact, and because the resistance adjustment accuracy of potentiometer is small, each toy car is be easy to cause to produce
The differences such as the steering sensitivity of product and steering angle are big, and potentiometer is easy to loosen, and influences product quality.
Utility model content
The utility model aim is to provide a kind of go to circuit of electric children vehicle, using two voltage detection units, lead to
It crosses its and generates voltage change, to control positive/negative turn of steering motor, reach rotation direction purpose synchronous with angle, solve simultaneously
Determined potentiometer poor contact in the prior art the problem of, be integrally improved product quality.
In order to achieve the above object, the technical solution of the utility model has:
A kind of go to circuit of electric children vehicle is applied to electric children vehicle, including
Voltage detection unit, including the first Hall voltage detection unit and the second Hall voltage detection unit, described first
Hall voltage detection unit is used to detect the voltage signal of perambulator steering motor generation；The second Hall voltage detection unit is used
The voltage signal generated is turned in detection direction disk；
Signal processing unit, for receiving the voltage signal of the second Hall voltage detection unit, and the signal is defeated
Enter the first Hall voltage detection unit and makees conversion process, the signal instruction that output turns left or turns right；
Execution unit for receiving the signal instruction of the signal processing unit input, and executes the signal processing list
The signal instruction of member；
Also, the first Hall voltage detection unit and the second Hall voltage detection unit respectively with the signal processing
Unit is connected, and the signal processing unit is connected with the execution unit.
Further, the second Hall voltage detection unit is used to detect perambulator and turns to the voltage change generated and reading
The voltage signal of generation；The signal processing unit is for dealing with the voltage signal, so that first Hall voltage is examined
It is consistent with the voltage value of the second Hall voltage detection unit and voltage deflection direction to survey unit, and feeds back to described first
Hall voltage detection unit.
Further, the second Hall sensor and the second magnet, institute are provided in the second Hall voltage detection unit
It states the second magnet to be arranged against the second Hall sensor, and the position with the second magnet relative to the second Hall sensor changes
Become so that the section intermediate value of the second Hall sensor detectable voltage signals variation, the voltage range intermediate value be used as in position voltage,
And when voltage signal is more than middle position voltage, the signal processing unit exports right turn signal, otherwise exports left rotaring signal.
Further, the execution unit includes motor driving module and steering motor, and the drive module and steering are electric
Machine is connected；The first Hall sensor is equipped in the first Hall voltage detection unit；First is additionally provided in the execution unit
Magnet, first magnet are arranged against the first Hall sensor；The steering motor is connected with deflecting roller, first Hall
Sensor is used to control the rotational angle of the deflecting roller, and stablizes the rotational angle of the deflecting roller by the first magnet.
It further, further include voltage regulation unit, for stablizing the operating voltage of the signal processing unit.
It further, further include being used for transmission the first resistor of voltage, and the second resistance for protecting circuit is described
First resistor is arranged in parallel with second resistance；The first resistor be connected to the voltage detection unit and signal processing unit it
Between.
Further, the signal processing unit, the first Hall voltage detection unit and the second Hall voltage detection unit
It is equipped with the capacitor of ground line setting, the capacitor is for reducing the pulsation of current in circuit and preventing electromagnetic interference.
Further, the signal processing unit further includes single-chip microcontroller, and the single-chip microcontroller is as central processing unit by described
The voltage signal of two Hall voltage detection units is compiled processing and exports.
A kind of go to circuit of the electric children vehicle of the utility model, the beneficial effect is that:
1, it is magnetic inductive that the steering in the go to circuit, which adjusts control mode, since magnetic induction control is non-contact side
Formula solves the problems, such as above-mentioned potentiometer poor contact.
2, include the first Hall voltage detection unit for detecting perambulator steering motor voltage signal, and for detecting
Second Hall voltage detection unit of wheel steering voltage signal is detected single by the second Hall voltage of signal processing unit processes
The voltage signal of member input and the signal instruction for exporting left-hand rotation or right-hand rotation, so that the drive module driving in the execution unit turns
Turn left to motor or turn right, voltage signal of the signal processing unit simultaneously by the input of the second Hall voltage detection unit feeds back to the
One Hall voltage detection unit, the first Hall voltage detection unit is set in the execution unit, and is matched with steering motor
It closes, by the first Hall voltage detection unit limiting rotating angle, to reach the steering motor and Hall voltage detection of perambulator
The rotation direction of unit purpose synchronous with angle.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of electric children vehicle go to circuit of the utility model；
Fig. 2 is the circuit diagram of the go to circuit of the utility model；
Fig. 3 is the simple flow schematic diagram of the go to circuit of the utility model.
Specific embodiment
A kind of go to circuit of electric children vehicle of the utility model is described with reference to the drawings.
As shown in Figure 1 to Figure 3, a kind of go to circuit of electric children vehicle is applied to electric children vehicle, including two voltage detectings
Unit, including the first Hall voltage detection unit 1 and the second Hall voltage detection unit 2；The first Hall voltage detection is single
Member 1 is for detecting the voltage signal of the generation of perambulator steering motor 42；The second Hall voltage detection unit 2 is used for detection direction
Disk turns to the voltage signal generated；
Signal processing unit 3, for receiving voltage signal and the processing of the second Hall voltage detection unit 2, and will
The signal inputs to the first Hall voltage detection unit 1 and makees conversion process, and exports the signal instruction of left-hand rotation or right-hand rotation；
Execution unit 4, the signal instruction inputted for receiving the signal processing unit 3, and execute the signal processing
The signal instruction of unit 3；
Also, the first Hall voltage detection unit 1 and the second Hall voltage detection unit 2 and the signal processing list
Member 3 is connected, and the signal processing unit 3 is connected with the execution unit 4.
The signal processing unit 3 includes single-chip microcontroller, and the single-chip microcontroller is as central processing unit by second Hall voltage
The voltage signal of detection unit 2 is compiled processing and exports to other units.
As shown in Fig. 2, the single-chip microcontroller is 14 pin single-chip microcontrollers, including 12 I/O mouthful, PB1 mouthfuls therein and second suddenly
You are connected at voltage detection unit 2, and PB0 mouthfuls are connected with the first Hall voltage detection unit 1, and PA7 mouthfuls and PA6 mouthfuls are respectively used to
The signal that output turns left or turns right, VDD is power end, and GND is ground terminal.
Also, the go to circuit is by+3.3V power supply power supply.
The second Hall voltage detection unit 2 is set on the steering wheel of perambulator, and the first Hall voltage detection unit 1 is set to
In execution unit 4.
Further, the second Hall voltage detection unit 2 is used to detect perambulator and turns to the voltage change generated and reading
The voltage signal for taking generation deals with the voltage signal by the signal processing unit 3, so that first Hall voltage
Detection unit 1 is consistent with the voltage value of the second Hall voltage detection unit 2 and voltage deflection direction, and feeds back to described
First Hall voltage detection unit 1.
Further, as shown in Figure 1 to Figure 3, the second hall sensing is provided in the second Hall voltage detection unit 2
Device 21 and the second magnet 22, second magnet 22 are arranged against the second Hall sensor 21, and as the second magnet 22 is opposite
In the position change of the second Hall sensor 21, so that the section intermediate value of 21 detectable voltage signals of the second Hall sensor variation,
Position voltage in the voltage range intermediate value conduct, and when voltage signal is more than the middle position voltage, the signal processing unit 3
Right turn signal is exported, otherwise exports left rotaring signal.
Since entire go to circuit is by+3.3V power supply power supply, determine that the definite value of the middle position voltage is 1.6-1.72V, if
The detection voltage range of constant voltage detection unit is 0.8V~2.55V, when the voltage of second Hall sensor 21 detection becomes
Change at the section 0.8V~1.59V, the signal processing unit 3 exports left rotaring signal；When second Hall sensor 21 is examined
For the voltage change of survey at the section 1.73V~2.55V, the signal processing unit 3 exports right turn signal, wherein described second
When the voltage that Hall sensor 21 detects is 1.6-1.72V, perambulator return at this time is in non-steering position.
Further, as shown in Figure 1 to Figure 3, the execution unit 4 includes motor driving module 41 and steering motor 42,
The drive module 41 is connected with steering motor 42；The first Hall sensor is equipped in the first Hall voltage detection unit 1
11；The first magnet 12 against the setting of the first Hall sensor 11 is additionally provided in the execution unit 4；The steering motor 42 connects
It is connected to deflecting roller, first Hall sensor 11 is used to control the rotational angle of the deflecting roller, and passes through the first magnet 12
Stablize the rotational angle of the deflecting roller.
Due to feeding back to the voltage of the first Hall voltage detection unit 1 and the inspection of the second Hall voltage detection unit 2
It is identical to survey voltage, then the voltage is definite value, is again provided with the first Hall sensor 11 in the first Hall voltage detection unit 1
With the first magnet 12, by 12 controller magnetic direction of the first magnet and intensity, so that the first Hall sensor 11 and second is suddenly
Your rotational angle of sensor 21 is the same, i.e. the rotational angle of deflecting roller and the rotational angle of steering wheel is consistent.
The detection voltage change of second Hall voltage detection unit 2 is synchronous with the first Hall voltage detection unit 1, by
It is arranged in the execution unit 4 in the first Hall voltage detection unit 1, is equivalent to and is applied at 42 both ends of steering motor
The voltage value this moment of the detection voltage of second Hall voltage detection unit 2, calculates its power, to determine the deflecting roller
Rotational angle.
Further, as shown in Fig. 2, further including voltage regulation unit 5, for stablizing the work electricity of the signal processing unit 3
Pressure.
The voltage regulation unit 5 uses the three terminal regulator of model 7550, due to using multiple electromagnetic devices in this programme
Part, the electromagnetic radiation very little that three terminal regulator generates during the work time, will not interfere the work of other devices.
The voltage regulation unit 5 is connected with the signal processing unit 3, provides stable+5V for the signal processing unit 3
Power supply power supply.
Further, as shown in Fig. 2, further including multiple resistance, the resistance is connected in each unit, and at least provided with
It is used for transmission the first resistor 100 of voltage, and the second resistance 200 for protecting circuit, the first resistor 100 is also with
Two resistance 200 are arranged in parallel；The first resistor 100 is connected between the voltage detection unit and signal processing unit 3.
The resistance value of the first resistor 100 is much smaller than the resistance value of the second resistance 200, in order to guarantee circuit conducting or electricity
Pressure transmitting is accurate, and 100 resistance value of first resistor should not be too large, preferably first resistor 1001k Ω, and the second resistance 200 is
100kΩ。
Further, as shown in Fig. 2, the signal processing unit 3, the first Hall voltage detection unit 1 and the second Hall
Voltage detection unit 2 is equipped with the capacitor of multiple ground line settings, at least provided with a first capacitor 101 and the first Hall voltage
Detection unit 1 is connected with the second Hall voltage detection unit 2, and 101 other end of the first capacitor is grounded, for reducing circuit
In pulsation of current and prevent electromagnetic interference.
It is connected between the first Hall voltage detection unit 1 and the second Hall voltage detection unit 2 by conducting wire, it is defeated
Enter end and is also serially connected with first capacitor 101, the first Hall voltage detection unit 1 and the second Hall voltage detection unit 2
It is connected with first capacitor 101, and is grounded, guarantee is stated the first Hall voltage detection unit 1 and detected with second Hall voltage
The voltage detecting starting variation of unit 2 is 0V, and first capacitor 101 is also used to protect circuit and guarantees that voltage input is stablized, reduces
Pulsation of current increases the service life of the first Hall voltage detection unit 1 and the second Hall voltage detection unit 2.
Meanwhile first capacitor 101 is connected with ground terminal, so that first capacitor 101 charges, can prevent first Hall
The oppositely charged breakdown of input terminal of voltage detection unit 1 and the second Hall voltage detection unit 2.
A kind of go to circuit of the electric children vehicle of the utility model, the beneficial effect is that: turn in the go to circuit
It is magnetic inductive to control mode is adjusted, since magnetic induction control is cordless, solves above-mentioned potentiometer poor contact
Problem handles the voltage signal that inputs of the second Hall voltage detection unit 2 by signal processing unit 3 and exports left-hand rotation or right-hand rotation
Signal instruction, so that the drive module 41 in the execution unit 4 drives steering motor 42 to turn left or turn right, signal processing unit
The voltage signal that second Hall voltage detection unit 2 inputs is fed back to the first Hall voltage detection unit 1 simultaneously by 3, and described the
One Hall voltage detection unit 1 is set in the execution unit 4, and is cooperated with steering motor 42, is examined by the first Hall voltage
1 limiting rotating angle of unit is surveyed, to reach the steering motor 42 of perambulator and rotation direction and the angle of Hall voltage detection unit
Degree synchronizes.
According to the disclosure and teachings of the above specification, the utility model those skilled in the art can also be to above-mentioned reality
The mode of applying is changed and is modified.Therefore, the utility model is not limited to specific embodiment disclosed and described above, right
Some modifications and changes of the utility model should also be as falling into the protection scope of the claims of the present utility model.In addition, to the greatest extent
It is used some specific terms in pipe this specification, these terms are merely for convenience of description, not to the utility model
Constitute any restrictions.
Claims (8)
1. a kind of go to circuit of electric children vehicle is applied to electric children vehicle characterized by comprising
Voltage detection unit, including the first Hall voltage detection unit and the second Hall voltage detection unit, first Hall
Voltage detection unit is used to detect the voltage signal of perambulator steering motor generation；The second Hall voltage detection unit is for examining
Survey the voltage signal that wheel steering generates；
Signal processing unit, for receiving the voltage signal of the second Hall voltage detection unit, and by signal input the
One Hall voltage detection unit makees conversion process, the signal instruction that output turns left or turns right；
Execution unit for receiving the signal instruction of the signal processing unit input, and executes the signal processing unit
Signal instruction；
Also, the first Hall voltage detection unit and the second Hall voltage detection unit respectively with the signal processing unit
It is connected, the signal processing unit is connected with the execution unit.
2. go to circuit according to claim 1, which is characterized in that the second Hall voltage detection unit is for detecting
Perambulator turns to the voltage change generated and the voltage signal for reading generation；The signal processing unit is used to make the voltage signal
Processing, so that the voltage value and voltage of the first Hall voltage detection unit and the second Hall voltage detection unit are inclined
It is consistent to turn direction, and feeds back to the first Hall voltage detection unit.
3. go to circuit according to claim 2, which is characterized in that be provided in the second Hall voltage detection unit
Second Hall sensor and the second magnet, second magnet are arranged against the second Hall sensor, and with the second magnet phase
For the position change of the second Hall sensor, so that the section intermediate value of the second Hall sensor detectable voltage signals variation, institute
Position voltage in the section intermediate value conduct of voltage signal variation is stated, and when voltage signal is more than middle position voltage, the signal processing
Unit exports right turn signal, otherwise exports left rotaring signal.
4. go to circuit according to claim 1, which is characterized in that the execution unit includes motor driving module and turns
To motor, the drive module is connected with steering motor；The first hall sensing is equipped in the first Hall voltage detection unit
Device；The first magnet is additionally provided in the execution unit, first magnet is arranged against the first Hall sensor；The steering electricity
Machine is connected with deflecting roller, and first Hall sensor is used to control the rotational angle of the deflecting roller, and passes through the first magnet
Stablize the rotational angle of the deflecting roller.
5. go to circuit according to claim 1, which is characterized in that further include voltage regulation unit, for stablizing the signal
The operating voltage of processing unit.
6. go to circuit according to claim 1, which is characterized in that it further include the first resistor for being used for transmission voltage, with
And the second resistance for protecting circuit, the first resistor are arranged in parallel with second resistance；The first resistor is connected to institute
It states between voltage detection unit and signal processing unit.
7. go to circuit according to claim 1, which is characterized in that the signal processing unit, the inspection of the first Hall voltage
It surveys unit and the second Hall voltage detection unit is equipped with the capacitor of ground line setting, the capacitor is used to reduce the electricity in circuit
It flows pulsation and prevents electromagnetic interference.
8. go to circuit according to claim 1, which is characterized in that the signal processing unit further includes single-chip microcontroller, should
The voltage signal of the second Hall voltage detection unit is compiled processing as central processing unit and exported by single-chip microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824757.6U CN208915258U (en) | 2018-05-30 | 2018-05-30 | A kind of go to circuit of electric children vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820824757.6U CN208915258U (en) | 2018-05-30 | 2018-05-30 | A kind of go to circuit of electric children vehicle |
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| Publication Number | Publication Date |
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| CN208915258U true CN208915258U (en) | 2019-05-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820824757.6U Active CN208915258U (en) | 2018-05-30 | 2018-05-30 | A kind of go to circuit of electric children vehicle |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884561A (en) * | 2019-12-06 | 2020-03-17 | 星辉互动娱乐股份有限公司 | Electronic power-assisted steering control method applied to toy car |
| CN115071820A (en) * | 2021-03-11 | 2022-09-20 | 株式会社万都 | Steering control apparatus and method |
-
2018
- 2018-05-30 CN CN201820824757.6U patent/CN208915258U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110884561A (en) * | 2019-12-06 | 2020-03-17 | 星辉互动娱乐股份有限公司 | Electronic power-assisted steering control method applied to toy car |
| CN110884561B (en) * | 2019-12-06 | 2022-06-17 | 星辉互动娱乐股份有限公司 | Electronic power-assisted steering control method applied to toy car |
| CN115071820A (en) * | 2021-03-11 | 2022-09-20 | 株式会社万都 | Steering control apparatus and method |
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