CN206455667U - Steering wheel mainboard control circuit and robot - Google Patents
Steering wheel mainboard control circuit and robot Download PDFInfo
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- CN206455667U CN206455667U CN201621451485.7U CN201621451485U CN206455667U CN 206455667 U CN206455667 U CN 206455667U CN 201621451485 U CN201621451485 U CN 201621451485U CN 206455667 U CN206455667 U CN 206455667U
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Abstract
The utility model discloses a steering wheel mainboard control circuit and robot. The steering engine main board control circuit comprises a main control chip; the driving chip is connected with the main control chip to receive the control signal output by the main control chip and output a driving signal to a motor of the steering engine according to the control signal to control the rotation of the motor; the driving chip further comprises a current sensing end for sensing current information of the motor; the acquisition chip comprises a current information acquisition end, and the current information acquisition end is connected with the current induction end to receive current information; the acquisition chip is further connected with the main control chip so as to feed current information back to the main control chip. Through the mode, the accuracy of motor current information acquisition can be effectively improved, and the current information is rapidly fed back to the main control chip, so that the accuracy of the main control chip in controlling the motor to rotate is improved.
Description
Technical field
The utility model is related to automatic control technology field, more particularly to a kind of steering wheel main board control circuit and machine
People.
Background technology
With the development of science and technology robot technology has obtained greatly developing, it has little by little come into the day of people
Often in life.In robot technology, steering wheel main board control circuit is its important component, controls robot to perform various behaviour
Make.
Main control board sends control signal with controlled motor according to the current of electric of acquisition in steering wheel main board control circuit
Rotation, still, main control board is not accurate enough for the collection of current of electric in the steering wheel control system of prior art, influence master
Control chip sends controlled motor and stopped operating or changes the decision instruction of rotating speed, and then causes the rotational angle of steering wheel to occur partially
Difference.
Utility model content
The utility model provides a kind of steering wheel main board control circuit and robot, can effectively improve current of electric information and adopt
The precision of collection, so as to improve the precision that main control chip control steering wheel is rotated.
To solve the above problems, the utility model provides a kind of steering wheel main board control circuit, applied to a steering wheel, the steering wheel
Main board control circuit includes：Main control chip, including the first feedback pin；Driving chip, driving chip is connected with main control chip, with
Receive main control chip output control signal, and according to control signal output drive signal to the motor of steering wheel with controlled motor
Rotation；Driving chip further comprises that electric current senses pin, with the current information of induction machine；Acquisition chip, including first
Input pin, the second input pin and output pin, the first input pin of acquisition chip are connected with electric current sensing pin, to adopt
Current collection stream information；Second input pin of acquisition chip passes through one by one first capacity earth, the output pin of acquisition chip
First resistor and the first feedback pin for being connected to main control chip, master control core is fed back to by the current information of the motor of collection
Piece.
Wherein, main control chip also includes the first output pin and the second output pin；Driving chip also includes the first input
Pin, the second input pin, the first output pin and the second output pin；Wherein, the first input pin of driving chip and
Two input pins are connected to the first output pin and second of main control chip by a second resistance and a 3rd resistor respectively
Output pin, to receive the control signal of main control chip；The first output pin and the second output pin of driving chip respectively with
Motor connection, the drive signal that driving chip is produced according to the control signal of reception is exported to motor, with motor
Rotated.
Wherein, the electric current sensing pin in driving chip is further grounded by one the 4th resistance.
Wherein, the first input pin of acquisition chip is further grounded, the output of acquisition chip by one second electric capacity
Pin further passes through one the 3rd capacity earth.
Wherein, steering wheel main board control circuit also includes the angle acquisition and control chip being connected with main control chip, and angle is adopted
Collection and control chip are used to gather the angle information of steering wheel rotation and angle information are fed back into main control chip, main control chip according to
The angle information of feedback and send angle control signal to angle acquisition and control chip, to pass through angle acquisition and control chip
And control the angle of the deflection of steering wheel.
Wherein, angle acquisition and control chip are magnetic coding chip, and magnetic coding chip gathers steering wheel according to changes of magnetic field
The angle information of deflection, and magnetic coding chip further comprises feedback pin, the first deflection angle controlling switch and the second deflection
Angle controlling switch；Main control chip further comprises the second feedback pin, the first deflection angle controlling switch and the second deflection angle
Spend controlling switch；Wherein, the feedback pin of magnetic coding chip connects the second feedback pin of main control chip to deflect steering wheel
Angle information feeds back to main control chip, and the first deflection angle controlling switch of main control chip and the second deflection angle controlling switch
It is connected respectively with the first deflection angle controlling switch and the second deflection angle controlling switch of magnetic coding chip, by main control chip
The angle control signal produced according to the angle information that the steering wheel of feedback is deflected is exported to magnetic coding chip, to be encoded by magnetic
Chip and control steering wheel deflect angle.
Wherein, steering wheel main board control circuit also includes the communication chip that is connected with main control chip, communication chip further with
Host computer is connected, the communication for maintaining main control chip and host computer.
Wherein, steering wheel main board control circuit also includes the temperature acquisition chip being connected with main control chip, temperature acquisition chip
For gathering the temperature of motor, if the temperature of the motor collected is more than a predetermined threshold value, main control chip control
Motor processed stops the rotation, or the speed that reduction motor rotates.
Wherein, steering wheel main board control circuit also includes the power supply chip and electric power detection chip being connected with main control chip；Its
In, power supply chip is used to provide power supply for steering wheel；Electric power detection chip is used for the electricity for gathering a battery inside steering wheel.
To solve the above problems, the utility model provides a kind of robot, it is total that the robot includes central processing unit, CAN
Line and multiple steering wheels, each steering wheel include foregoing steering wheel main board control circuit, and each steering wheel main board control circuit passes through CAN
Bus carries out signal transmission with central processing unit.
The current information for the electric current induction end induction machine that the utility model steering wheel main board control circuit passes through driving chip,
And export the current information to the current information collection terminal of acquisition chip, acquisition chip further feeds back to the current information
Main control chip can effectively improve the precision of current of electric information gathering with the rotation of controlled motor, and the current information is fast
Speed feeds back to main control chip, so as to improve the precision of main control chip controlled motor rotation.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the utility model embodiment
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present utility model,
For those of ordinary skill in the art, on the premise of not paying creative work, further can be according to these accompanying drawings
Obtain other accompanying drawings.Wherein：
Fig. 1 is the structural representation of the embodiment of the utility model steering wheel one；
Fig. 2 is a Fig. 1 circuit diagram；
Fig. 3 is the structural representation of the embodiment of the utility model steering wheel main board control circuit one；
Fig. 4 is main control chip and angle acquisition and a circuit diagram of control chip in Fig. 3；
Fig. 5 is the structural representation of the embodiment of the utility model robot one.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the present utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, Fig. 1 is the structural representation of the embodiment of the utility model steering wheel main board control circuit one.This implementation
The steering wheel main board control circuit 10 of example is applied to steering wheel 20, and steering wheel 20 can apply to robot, unmanned plane, but be not limited only to
This.The steering wheel main board control circuit 10 of the present embodiment includes main control chip 100, driving chip 101 and acquisition chip 102.
Specifically, driving chip 101 is connected with main control chip 100, to receive the control signal of the output of main control chip 100,
And according to control signal output drive signal to the motor 11 of steering wheel 20 with the rotation of controlled motor 11.Due to turning for motor 11
Dynamic angle is corresponding with the intensity for the drive signal that it is received, and the drive signal strength that motor 11 is received is bigger, its rotational angle
It is bigger, therefore main control chip 100 can be by controlling the intensity of output control signal turning through the controlled motor 11 of driving chip 101
Dynamic angle, and then control the motion of steering wheel.Driving chip 101 further comprises that electric current senses pin 1, with the electricity of induction machine 11
Stream information.
Acquisition chip 102 includes the first input pin 1, the second input pin 2 and output pin 3, specifically, acquisition chip
102 the first input pin 1 is connected with the electric current sensing pin 1 of the driving chip 101, to gather current information, gathers core
Second input pin 2 of piece 102 is grounded by the first electric capacity C1, and the output pin 3 of acquisition chip 102 is by first resistor R1
The first feedback pin 1 of main control chip 100 is connected to, the current information of the motor 11 of collection is fed back into main control chip 100.
Whether the current information of main control chip 100 by judging currently to detect enters in the range of predetermined current threshold
One step confirm motor 11 rotational angle whether within a preset range, if not within a preset range, through driving chip 101 to
Motor 11 sends the control signal stopped operating, so that the rotation of controlled motor 11.
By the above-mentioned means, the current information of the electric current induction end induction machine of driving chip, and the current information is defeated
Go out to the current information collection terminal of acquisition chip, the current information further is fed back to main control chip to control electricity by acquisition chip
The rotation of machine, can effectively improve the precision of current of electric information gathering, and the current information is fed back to rapidly into main control chip,
So as to improve the precision of main control chip controlled motor rotation.
Further referring to Fig. 2, Fig. 2 is a Fig. 1 circuit diagram.
Specifically, main control chip 100 also includes the first output pin 1, the second output pin 2, the first feedback pin 3；Drive
Dynamic chip 101 also includes the first input pin 2, the second input pin 3, the first output pin 4 and the second output pin 5；Motor
11 include the first drive end 110 and the second drive end 111.
Further, the first input pin 2 and the second input pin 3 of driving chip 101 respectively by second resistance R2 and
3rd resistor R3 and the first output pin 2 and the second 3 pins of output for being connected to main control chip 100, to receive main control chip 100
Control signal；The first drive end of the first output pin 3 and the second output pin 4 of driving chip 101 respectively with motor 11
110 and second drive end 111 connect, the drive signal that driving chip 101 is produced according to the control signal of reception is exported
To motor 11, rotated with motor 11.In one embodiment, control signal can be ac signal.
The electric current sensing pin 1 of driving chip 101 is used for the current information of induction machine 11, and the with acquisition chip 102
One input pin 1 is connected, and the current information of sensing is transferred into driving chip 101.Meanwhile, the electric current sense of driving chip 101
Pin 1 is answered further to be grounded by the 4th resistance R4.
First input pin 1 of acquisition chip 102 is further grounded by the second electric capacity C2, the output of acquisition chip 102
Pin 3 is further grounded by the 3rd electric capacity C3.
Whether the current information of main control chip 100 by judging currently to detect enters in the range of predetermined current threshold
One step confirm motor 11 rotational angle whether within a preset range, if not within a preset range, through driving chip 101 to
Motor 11 sends the control signal stopped operating, so that the rotation of controlled motor 11.
The pin designations of each chip of the present embodiment, position and annexation are merely illustrative, can specifically determine as needed.
Referring to Fig. 4, Fig. 4 is the structural representation of the embodiment of the utility model steering wheel main board control circuit one.With upper one
Embodiment steering wheel centered rudder mainboard control circuit is compared, the steering wheel main board control circuit 10 of the present embodiment also include angle acquisition and
Control chip 103, communication chip 104, power supply chip 105, electric power detection chip 106 and temperature acquisition chip 107.
Specifically, angle acquisition and control chip 103 are connected with main control chip 100, the angle for gathering the rotation of steering wheel 20
Angle information is simultaneously fed back to main control chip 100 by degree information, and main control chip 100 sends angle control according to the angle information of feedback
Signal processed is to angle acquisition and control chip 103, to control the deflection of steering wheel 20 by angle acquisition and control chip 103
Angle.Angle acquisition and control chip 103 can be magnetic coder, and changes of magnetic field during for being rotated according to motor 11 obtains rudder
The angle information that machine 20 is rotated；Angle acquisition and control chip 103 can also be that potentiometer is constituted, and be become according to the position of motor 11
Change and obtain the angle information that steering wheel 20 is rotated, but be not limited only to this.
Also referring to Fig. 4, Fig. 4 is main control chip and angle acquisition and the circuit diagram of control chip one in Fig. 3.At this
In embodiment, angle acquisition and control chip 103 are magnetic coding chip.
Specifically, magnetic coding chip 103 is inclined including feedback pin MOSI, the first deflection angle controlling switch MISO and second
Gyration controlling switch CS；Main control chip 100 further comprises the second feedback pin 4, the first deflection angle controlling switch 5 and
Two deflection angle controlling switch 6；
Second feedback pin 4 of the feedback pin MOSI connections main control chip 100 of magnetic coding chip 103 is with inclined by steering wheel 20
The angle information turned feeds back to main control chip 100, and the first deflection angle controlling switch 5 and second of main control chip 100 is deflected
Angle controlling switch 6 is controlled with the first deflection angle controlling switch MISO of magnetic coding chip 103 and the second deflection angle respectively
Pin CS connections, the angle control signal that main control chip 100 is produced according to the angle information that the steering wheel 20 of feedback is deflected
Output is to magnetic coding chip 103, to control the angle that steering wheel 20 is deflected by magnetic coding chip 103.
With continued reference to Fig. 3, communication chip 104 is connected with main control chip 100 and host computer, for maintaining the master control core
The communication of piece and host computer.Specifically, communication chip 104 is used to be communicated with upper level and/or next stage steering wheel, receives and
It is connected from the identifier or identifier and action command information of the upper level steering wheel being connected with steering wheel 20, or transmission with steering wheel 20
A next stage steering wheel identifier or identifier and action command information.
Further, when steering wheel 20 is initialized, main control chip 100 receives upper level steering wheel by communication chip 104 and distributed
The identifier distributed to this grade of steering wheel 20, while receiving action command information, and is transmitted to main control chip 100；And transmit to
The corresponding identifier of next stage steering wheel distribution, simultaneous transmission action command information can complete all steering wheels 20 and initialize
Identifier in journey is sequentially allocated, it is to avoid the identifier of steering wheel 20 fixes and cause assembling inconvenience.
In 20 normal work of steering wheel, main control chip 100 passes through communication chip 104 and upper level steering wheel and/or next stage
Steering wheel carries out half duplex communication, to transmit corresponding identifier and action command information.In other embodiment of the present utility model
In, can also only transmission action command information, and carry in the action command information corresponding identifier.
Power supply chip 105 and electric power detection chip 106 are connected with main control chip 100 respectively.Specifically, electric power detection chip
106 for detecting the electricity of one battery of the inside of steering wheel 20, and transmits to main control chip 100, and main control chip 100 is further according to electricity
The rotation of motor 11 in the electricity control steering wheel 20 in pond.Power supply chip 105 is used to provide power supply for steering wheel 20, in the utility model
In embodiment, power supply chip 13 is preferably that 5V and 3.3V supply voltage can be provided for steering wheel 20.
Temperature acquisition chip 107 is connected with main control chip 100, for gathering the temperature of motor 11, if the electricity collected
The temperature of machine 11 is more than a predetermined threshold value, then the controlled motor 11 of main control chip 100 is stopped the rotation, or the speed that reduction motor 11 rotates
Degree.Wherein, predetermined threshold value can be arranged as required to, and this is not restricted.
The utility model also provides a kind of robot, as shown in figure 5, robot includes multiple steering wheels 20, central processing unit
21 and CAN 22.Each steering wheel 20 includes steering wheel main board control circuit 10 as described above, that is, includes described previously
All element of steering wheel main board control circuit 10, and corresponding annexation will not be repeated here.Each steering wheel mainboard control
Circuit 10 processed is communicated by CAN 22 with central processing unit 21.
Embodiment of the present utility model is the foregoing is only, the scope of the claims of the present utility model is not thereby limited, it is all
It is the equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or directly or indirectly uses
In other related technical fields, similarly it is included in scope of patent protection of the present utility model.
Claims (10)
1. a kind of steering wheel main board control circuit, applied to a steering wheel, it is characterised in that the steering wheel main board control circuit includes：
Main control chip, including the first feedback pin；
Driving chip, the driving chip is connected with the main control chip, to receive the control signal of the main control chip output,
And according to the control signal output drive signal to the motor of the steering wheel to control the rotation of the motor；The driving
Chip further comprises that electric current senses pin, to sense the current information of the motor；
Acquisition chip, including the first input pin, the second input pin and output pin, the first input of the acquisition chip are drawn
Pin is connected with electric current sensing pin, to gather the current information；Second input pin of the acquisition chip passes through one
First capacity earth, first that the output pin of the acquisition chip is connected to the main control chip by a first resistor is anti-
Pin is presented, the current information of the motor of collection is fed back into the main control chip.
2. steering wheel main board control circuit according to claim 1, it is characterised in that
The main control chip also includes the first output pin and the second output pin；
The driving chip also includes the first input pin, the second input pin, the first output pin and the second output pin；
Wherein, the first input pin and the second input pin of the driving chip pass through a second resistance and one the 3rd electricity respectively
The first output pin and the second output pin of the main control chip are hindered and be connected to, is believed with the control for receiving the main control chip
Number；
The first output pin and the second output pin of the driving chip respectively with the motor connection, by the driving core
The drive signal that piece is produced according to the control signal of reception is exported to the motor, to drive the motor to carry out
Rotate.
3. steering wheel main board control circuit according to claim 1, it is characterised in that the electric current sensing in the driving chip
Pin is further grounded by one the 4th resistance.
4. steering wheel main board control circuit according to claim 1, it is characterised in that the first input of the acquisition chip is drawn
Pin is further grounded by one second electric capacity, and the output pin of the acquisition chip further passes through one the 3rd capacity earth.
5. steering wheel main board control circuit according to claim 1, it is characterised in that the steering wheel main board control circuit is also wrapped
The angle acquisition and control chip being connected with the main control chip are included, the angle acquisition and control chip are used to gather the rudder
The angle information is simultaneously fed back to the main control chip by the angle information of machine rotation, and the main control chip is according to feedback
Angle information and send angle control signal to the angle acquisition and control chip, to pass through the angle acquisition and control core
Piece and the angle for controlling the deflection of the steering wheel.
6. steering wheel main board control circuit according to claim 5, it is characterised in that
The angle acquisition and control chip are magnetic coding chip, and the magnetic coding chip gathers the rudder according to changes of magnetic field
The angle information of machine deflection, and the magnetic coding chip further comprises feedback pin, the first deflection angle controlling switch and the
Two deflection angle controlling switch；
The main control chip further comprises the second feedback pin, the first deflection angle controlling switch and the control of the second deflection angle
Pin；
Wherein, the feedback pin of the magnetic coding chip connects the second feedback pin of the main control chip with by the rudder
The angle information of machine deflection feeds back to the main control chip, and the first deflection angle controlling switch of the main control chip and
Second deflection angle controlling switch is deflected with the first deflection angle controlling switch of the magnetic coding chip and second respectively
Angle controlling switch is connected, the main control chip is produced according to the angle information that the steering wheel of feedback is deflected described in
Angle control signal is exported to the magnetic coding chip, to control the angle of the steering wheel deflection by the magnetic coding chip
Degree.
7. steering wheel main board control circuit according to claim 1, it is characterised in that the steering wheel main board control circuit is also wrapped
The communication chip being connected with main control chip is included, the communication chip is further connected with host computer, for maintaining the master control core
The communication of piece and host computer.
8. steering wheel main board control circuit according to claim 1, it is characterised in that the steering wheel main board control circuit is also wrapped
The temperature acquisition chip being connected with main control chip is included, the temperature acquisition chip is used for the temperature for gathering the motor, if
The temperature of the motor collected is more than a predetermined threshold value, then the main control chip controls the motor to stop rotation
Turn, or the speed that the reduction motor rotates.
9. steering wheel main board control circuit according to claim 1, it is characterised in that the steering wheel main board control circuit is also wrapped
Include the power supply chip being connected with main control chip and electric power detection chip；
Wherein, the power supply chip is used to provide power supply for the steering wheel；
The electric power detection chip is used for the electricity for gathering a battery inside steering wheel.
10. a kind of robot, it is characterised in that the robot includes central processing unit, CAN and multiple steering wheels, often
The individual steering wheel includes the steering wheel main board control circuit as described in claim any one of 1-9, each steering wheel mainboard control
Circuit carries out signal transmission by the CAN and the central processing unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451485.7U CN206455667U (en) | 2016-12-27 | 2016-12-27 | Steering wheel mainboard control circuit and robot |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621451485.7U CN206455667U (en) | 2016-12-27 | 2016-12-27 | Steering wheel mainboard control circuit and robot |
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| Publication Number | Publication Date |
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| CN206455667U true CN206455667U (en) | 2017-09-01 |
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ID=59697849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201621451485.7U Active CN206455667U (en) | 2016-12-27 | 2016-12-27 | Steering wheel mainboard control circuit and robot |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053172A (en) * | 2016-12-27 | 2017-08-18 | 深圳市优必选科技有限公司 | Steering wheel mainboard control circuit and robot |
-
2016
- 2016-12-27 CN CN201621451485.7U patent/CN206455667U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107053172A (en) * | 2016-12-27 | 2017-08-18 | 深圳市优必选科技有限公司 | Steering wheel mainboard control circuit and robot |
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