CN108859899A - A kind of control method of vehicle-mounted small table plate, controller and vehicle-mounted small table plate - Google Patents
A kind of control method of vehicle-mounted small table plate, controller and vehicle-mounted small table plate Download PDFInfo
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- CN108859899A CN108859899A CN201810258451.3A CN201810258451A CN108859899A CN 108859899 A CN108859899 A CN 108859899A CN 201810258451 A CN201810258451 A CN 201810258451A CN 108859899 A CN108859899 A CN 108859899A
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- China
- Prior art keywords
- table plate
- small table
- vehicle
- driving motor
- driving
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
- B60N3/002—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays of trays
- B60N3/004—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays of trays of foldable trays mounted on the back-rest
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N3/00—Arrangements or adaptations of other passenger fittings, not otherwise provided for
- B60N3/001—Arrangements or adaptations of other passenger fittings, not otherwise provided for of tables or trays
Abstract
The invention discloses a kind of control method of vehicle-mounted small table plate, this method includes during folding or small table plate being unfolded, and the hall signal of analysis-driven motor obtains the rotary speed information of the driving motor;According to the rotary speed information, judge whether the small table plate touches barrier;If the small table plate touches barrier, the small table plate is driven to move backward the distance of default size.This method can take timely measure when small table plate touches barrier, avoid personal injury or article damage, to provide safe and reliable usage experience for user, meet user demand.The invention also discloses a kind of vehicle-mounted small table plate controller and vehicle-mounted small table plates, all have above-mentioned beneficial effect.
Description
Technical field
The present invention relates to vehicle assembly field, in particular to a kind of control method of vehicle-mounted small table plate;Further relate to a kind of vehicle
Carry the controller and vehicle-mounted small table plate of small table plate.
Background technique
With the quickening pace of modern life and the raising of quality of life, more and more people need to handle official business on automobile
Or amusement, at the same time, requirement of the people to inner space is also higher and higher.To meet vehicle heel row user to using
The demand of electronic equipment, diet, reading etc., many vehicles devise heel row small table plate function.Such small table plate can usually paste
It closes on the back of front-row seats, user spreads out when use.But small table plate exists during folding or being unfolded
The risk of user, damage product are crushed, to use small table plate to bring security risk.
Therefore, how to solve the above problems is those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
The object of the present invention is to provide a kind of control method of vehicle-mounted small table plate, this method can be realized small table plate anti-pinch function
Can, it causes personal injury or article to damage during avoiding small table plate from folding or be unfolded, provides safe and reliable make for user
With experience, meet user demand;It is a further object of the present invention to provide a kind of vehicle-mounted small table plate controller and vehicle-mounted small table plate,
All have above-mentioned technical effect.
In order to solve the above technical problems, the present invention provides a kind of control method of vehicle-mounted small table plate, the method includes:
During folding or small table plate being unfolded, the hall signal of analysis-driven motor obtains turning for the driving motor
Fast information;
According to the rotary speed information, judge whether the small table plate touches barrier;
If the small table plate touches barrier, the small table plate is driven to move backward the distance of default size.
Preferably, it is described fold or small table plate be unfolded include:
Receive the switching signal of the control switch of the small table plate;
According to the switching signal, judge whether the closure duration of the control switch is less than preset value;
If the closure duration of the control switch is less than the preset value, the small table plate is unfolded to position of maximum extension
Or the small table plate is folded to maximum stowed position;
If the closure duration of the control switch is not less than the preset value, it is unfolded or folds the small table plate until institute
State control switch disconnection.
Preferably, the expansion small table plate to position of maximum extension or folds the small table plate to maximum stowed position
Including:
By analyzing the hall signal of the driving motor, the location information of the small table plate is obtained;
According to the positional information, judge whether the distance between the small table plate and mechanical hard stop reach pre-determined distance
Value;
If the distance between the small table plate and the mechanical hard stop reach pre-determined distance value, stop the driving electricity
Machine rotation.
Preferably, the method also includes:
Receive pre-impact signal;
When receiving the pre-impact signal, the small table plate is in unfolded state, then drive the small table plate fold to
Maximum stowed position.
Preferably, the driving small table plate, which is folded to maximum stowed position, includes:
The revolving speed of the driving motor is adjusted to maximum (top) speed;
The small table plate is driven to fold to maximum stowed position with the maximum (top) speed by the driving motor.
In order to solve the above technical problems, the present invention also provides a kind of vehicle-mounted small table plate controllers, including:
Hall detection circuit obtains the hall signal of driving motor, and will during folding or small table plate is unfolded
The hall signal feeds back to MCU;
The MCU obtains the rotary speed information of the driving motor for analyzing the hall signal of the driving motor;Root
According to the rotary speed information, judge whether the small table plate touches barrier;If the small table plate touches barrier, to drive
Dynamic circuit sends the driving instruction for driving the small table plate reverse movement;
The driving circuit, for driving the small table plate reversed by the driving motor according to the driving instruction
The distance of mobile default size.
Preferably, the MCU is also used to:
By analyzing the hall signal of the driving motor, the location information of the small table plate is obtained;
According to the positional information, judge whether the distance between the small table plate and mechanical hard stop reach pre-determined distance
Value;
If the distance between the small table plate and the mechanical hard stop reach pre-determined distance value, stop the driving electricity
Machine rotation.
Preferably, the driving circuit is specially H-Bridge control circuit.
Preferably, further include:
Communication chip is sent to the MCU for receiving pre-impact signal, and by the pre-impact signal.
In order to solve the above technical problems, the vehicle-mounted small table plate is provided with the present invention also provides a kind of vehicle-mounted small table plate
Vehicle-mounted small table plate controller described in any of the above embodiments.
The control method of vehicle-mounted small table plate provided by the present invention, including during folding or small table plate being unfolded, analysis
The hall signal of driving motor obtains the rotary speed information of the driving motor;According to the rotary speed information, the small table plate is judged
Whether barrier is touched;If the small table plate touches barrier, the small table plate is driven to move backward default size
Distance.
As it can be seen that the control method of vehicle-mounted small table plate provided by the present invention, it can be in the mistake for folding or being unfolded small table plate
It analyzes and determines whether the small table plate touches barrier in journey in real time, and can be adopted in time when small table plate touches barrier
Measure is taken, personal injury or article damage is avoided, to provide safe and reliable usage experience for user, meets user
Demand.
Vehicle-mounted small table plate controller provided by the present invention and vehicle-mounted small table plate all have above-mentioned beneficial effect, herein not
It repeats again.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to institute in the prior art and embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the flow diagram of the control method of vehicle-mounted small table plate provided by the embodiment of the present invention;
Fig. 2 is the schematic diagram of driving motor rotation speed change provided by the embodiment of the present invention;
Fig. 3 is the schematic diagram of driving motor rotational speed regulation provided by the embodiment of the present invention;
Fig. 4 is the schematic diagram of vehicle-mounted small table plate controller provided by the embodiment of the present invention.
Specific embodiment
Core of the invention is to provide a kind of control method of vehicle-mounted small table plate, and this method can be realized small table plate anti-pinch function
Can, it avoids folding or be unfolded to cause personal injury or article damage during small table plate, be provided for user safe and reliable
Usage experience meets user demand;Another core of the invention is to provide a kind of vehicle-mounted small table plate controller and vehicle-mounted teapoy
Plate all has above-mentioned beneficial effect.
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is
A part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Referring to FIG. 1, Fig. 1 is the flow diagram of the control method of vehicle-mounted small table plate provided by the embodiment of the present invention;
In conjunction with Fig. 1 it is found that this method may comprise steps of:
S100:During folding or small table plate being unfolded, the hall signal of analysis-driven motor obtains turning for driving motor
Fast information;
S200:According to rotary speed information, judge whether small table plate touches barrier;
S300:If small table plate touches barrier, small table plate is driven to move backward the distance of default size.
Specifically, during folding or small table plate being unfolded driving can be obtained in real time by hall signal detection circuit
The hall signal of motor.Due to, the revolving speed of driving motor is different, and the pulse period of corresponding hall signal also can be different, because
This, MCU can analyze the pulse period in real time, by the situation of change of the pulse period, know the variation of driving motor revolving speed
Situation.As shown in Fig. 2, Fig. 2 is the schematic diagram of driving motor rotation speed change provided by the embodiment of the present invention;With reference to Fig. 2 it is found that
When driving motor is hindered, the revolving speed of driving motor can decline, and the pulse period of corresponding hall signal can be elongated, institute
With when the pulse period for detecting hall signal is elongated, MCU can send driving instruction immediately, and driving small table plate is reversed
The distance of mobile default size.For example, MCU can drive small table plate when small table plate touches barrier during folding
The distance of default size is unfolded;On the contrary, MCU can drive small table plate when small table plate touches barrier during expansion
Fold the distance of default size.
Wherein, the distance of above-mentioned default size is traditionally arranged to be 10mm, and certainly, the distance of the default size can also be it
His numerical value, can specifically carry out otherness setting, the present invention does not limit uniquely according to the actual situation.
Preferably, it is above-mentioned fold or small table plate be unfolded may include:According to switching signal, when judging the closure of control switch
It is long whether to be less than preset value;If the closure duration of control switch is less than preset value, be unfolded small table plate to position of maximum extension or
Small table plate is folded to maximum stowed position;If the closure duration of control switch is not less than preset value, it is unfolded or folds small table plate
Until control switch disconnects.
Specifically, the control switch of small table plate may include that small table plate expansion switch and small table plate fold switch, Yong Huke
Persistently to press the control switch of small table plate, it is made to be in closed state always;The control that user can also press small table plate is opened
It looses one's grip after closing a period of time, the control switch is made to switch to off-state by closed state.Difference behaviour corresponding to above-mentioned user
To make, the switching signal of the control switch of small table plate will be different, so, MCU receives the switch of the control switch of small table plate
After signal, first according to the switching signal, the closure duration of control switch and the size of preset value are judged, to further execute
Subsequent operation.
When MCU detects the closure duration of small table plate expansion switch less than preset value, the driving of expansion small table plate is sent
Instruction, driving small table plate are expanded to maximum position;When MCU detects that small table plate folds the closure duration of switch less than preset value
When, the driving instruction for folding small table plate is sent, driving small table plate is folded to maximum stowed position, makes teapoy plate closing.
When MCU detect the closure duration of small table plate control switch not less than preset value, if after the preset value when
Between in, which is still closed, then drive small table plate to be unfolded or fold, once, the control switch of small table plate disconnects, and MCU is vertical
That is control driving motor stops operating, to make small table plate be parked in current location, do not continue to be unfolded or fold, i.e. MCU only exists
Control switch is unfolded or folds small table plate during being closed, and control switch will stop being unfolded or folding small table plate once disconnecting
Operation.
Wherein, above-mentioned preset value can generally be set as 300ms, it is of course also possible to suitable numerical value is set according to actual needs,
This present invention is not especially limited.
In addition, can also be demarcated to the preset value, or press teapoy in user to be further user-friendly
The duration that the control switch is pressed is shown while the control switch of plate, so that facilitating user preferably to control presses small table plate
The length of time of control switch.
In conclusion the control method of vehicle-mounted small table plate provided by the present invention, can fold or be unfolded small table plate
During analyze and determine whether the small table plate touches barrier in real time, and can when small table plate touches barrier, and
When take measures, avoid personal injury or article damage, to provide safe and reliable usage experience for user.
Stall may occur for driving motor operational process, and small table plate is expanded to maximum position or folds to dominant bit
When setting, because mechanical collision, which occurs, influences the usage experience of small table plate so that collision noise can be generated.
Therefore, on the basis of the above embodiments:
As a preferred embodiment, above-mentioned expansion small table plate is to position of maximum extension or folds small table plate to maximum
Stowed position may include:By the hall signal of analysis-driven motor, the location information of small table plate is obtained;Believed according to position
Breath, judges whether the distance between small table plate and mechanical hard stop reach pre-determined distance value;If small table plate and mechanical hard stop it
Between distance reach pre-determined distance value, then stop driving motor rotation.
Specifically, to avoid driving motor stall, reducing mechanical collision noise, it can be in mistake small table plate expansion or folded
Cheng Zhong, the hall signal of real-time detection driving motor.Hall sensor, Hall sensor can be installed on driving motor in advance
The hall signal of driving motor is exported to hall signal detection circuit, is turned hall signal by the hall signal detection circuit
It is changed to periodically pulsing signal, so that MCU is driven by analyzing the rising edge of the pulse signal and the number of failing edge
The turnning circle of motor, and then according to the location information of the turnning circle of driving motor acquisition small table plate, further according to teapoy
The location information of plate judges whether the distance between small table plate and mechanical hard stop reach pre-determined distance value;If small table plate and machinery
The distance between hard stop reaches pre-determined distance value, then stops driving motor rotation, subsequent to continue by inertia by small table plate exhibition
It opens to position of maximum extension or folds small table plate to maximum stowed position.
Wherein, above-mentioned pre-determined distance value is traditionally arranged to be 5mm, it is of course also possible to make otherness according to the actual situation
Selection, for pre-determined distance value the specific value present invention without limitation, can achieve reduce driving motor stall, eliminate make an uproar
Sound, while the purpose that small table plate is expanded to position of maximum extension or folds small table plate to maximum stowed position can be completed.
In vehicle driving, it may occur however that collision or situations such as emergency brake if small table plate be in unfolded state at this time, is wrapped
When including other expanded positions for being deployed in position of maximum extension and not up to position of maximum extension, it is likely to result in user's body
Perhaps article is collided with small table plate so that actual bodily harm or article be caused to damage.
Therefore, in order to avoid the generation of above situation, on the basis of the various embodiments described above:
As a preferred embodiment, the control method of the vehicle-mounted small table plate can also include:Receive pre-impact letter
Number;If small table plate is in unfolded state when receiving pre-impact signal, small table plate is driven to fold to maximum stowed position.
Specifically, MCU can receive the pre-impact signal of active safety systems of vehicles transmission by communication chip, and
If small table plate is just at unfolded state at this time, MCU can send the instruction for promptly folding small table plate, timely by driving motor
Driving small table plate folds maximum stowed position, thus, it collides in vehicle or when emergency brake, avoids that user's body occurs
With the collision of small table plate, the injury to user is reduced.
Preferably, above-mentioned driving small table plate, which is folded to maximum stowed position, includes:The revolving speed of driving motor is adjusted to maximum
Revolving speed;Small table plate is driven to fold to maximum stowed position with maximum (top) speed by driving motor.
Specifically, small table plate need to be made quickly to fold as far as possible effectively user's body to be avoided to collide with small table plate
To maximum stowed position therefore the revolving speed of driving motor can be adjusted first, makes its turn up before driving small table plate folds
To maximum.As shown in figure 3, can use the frequency and duty ratio of H-Bridge control circuit control PWM output pulse, realize
Adjusting to driving motor both end voltage 0-12V, to achieve the purpose that adjusting small table plate folds speed.When needing driving motor
When revolving speed maximum, PWM output maximum duty cycle need to be only controlled, adjusting driving motor both end voltage is maximum voltage value 12V.
The present invention also provides a kind of vehicle-mounted small table plate controller, the controller described below can with it is above-described
The control method of vehicle-mounted small table plate corresponds to each other reference.Referring to FIG. 4, Fig. 4 is vehicle-mounted teapoy provided by the embodiment of the present invention
The schematic diagram of plate controller;In conjunction with Fig. 4 it is found that the controller may include:
Hall detection circuit 10 obtains the hall signal of driving motor during folding or small table plate is unfolded, and
The hall signal is fed back into MCU20;
MCU20 obtains the rotary speed information of driving motor for the hall signal of analysis-driven motor;According to rotary speed information,
Judge whether small table plate touches barrier;If small table plate touches barrier, driving small table plate is sent to driving circuit 30
The driving instruction of reverse movement;
Driving circuit 30, for driving small table plate to move backward default size by driving motor according to driving instruction
Distance.
Specifically, Hall detection circuit 10 can obtain driving motor in real time during folding or small table plate being unfolded
Hall signal, and the hall signal that will acquire feeds back to MCU20, after MCU20 receives the hall signal, to the hall signal
It is analyzed, obtains the rotary speed information of driving motor, further, according to the rotary speed information, judge that small table plate is folding or is being unfolded
During, if barrier is touched, if small table plate touches barrier, it is anti-to send driving small table plate to driving circuit 30
To mobile driving instruction, so that small table plate is mobile to the direction opposite with current moving direction, for example, if current small table plate
Moving direction is the direction for folding small table plate, then its opposite direction is that the direction of small table plate is unfolded.Driving circuit 30 receives should
Driving instruction, and according to driving instruction, the distance of the default size of small table plate reverse movement is driven by driving motor.
Certainly, vehicle-mounted small table plate controller normal work needs electric energy support, can specifically pass through electric power management circuit
Output is to MCU20 after vehicle power supply 12V to be converted to stable 5V voltage, to ensure vehicle-mounted small table plate controller normally orderly work
Make.
Vehicle-mounted small table plate controller provided by the present invention is using electronic technology, plate technique, network communications technology come real
The pinch resistant functionality of existing small table plate, safe and reliable usage experience is provided for user, meets user demand.
On the basis of the above embodiments, it is preferred that MCU20 is also used to:By the hall signal of analysis-driven motor, obtain
Obtain the location information of small table plate;According to location information, judge whether the distance between small table plate and mechanical hard stop reach default
Distance value;If the distance between small table plate and mechanical hard stop reach pre-determined distance value, stop driving motor rotation.
Specifically, to avoid driving motor stall, reducing mechanical collision noise, it can be in mistake small table plate expansion or folded
The hall signal of the real-time analysis-driven motor of Cheng Zhong, MCU20, obtains the location information of small table plate, further according to small table plate
Location information judges whether the distance between small table plate and mechanical hard stop reach pre-determined distance value;If small table plate and machinery are hard only
The distance between point reaches pre-determined distance value, then stops driving motor rotation, subsequent to continue for small table plate to be expanded to by inertia
Position of maximum extension folds small table plate to maximum stowed position.
On the basis of the above embodiments, it is preferred that driving circuit 30 is specially H-Bridge control circuit.
Specifically, using the frequency and duty ratio of the control PWM output pulse of H-Bridge control circuit, to control drive
The adjusting of dynamic motor both end voltage 0-12V, and then the speed for adjusting small table plate expansion or folding.The H-Bridge control circuit can
To meet the needs of driving motor different rotating speeds in various situations, wherein under normal conditions, adjustable driving motor turns at a slow speed
It is dynamic, and when an emergency happens, adjustable its is rotation at full speed.
On the basis of the various embodiments described above, it is preferred that the vehicle-mounted small table plate controller further includes:Communication chip is used for
Pre-impact signal is received, and sends pre-impact signal to MCU20.
Specifically, can realize signal communication using CAN network communication chip or FlexRay network communication chip, connect
The pre-impact signal that bus is sent is received, and sends pre-impact signal to MCU20, provides more control references for MCU20.
The present invention also provides a kind of vehicle-mounted small table plate, which is provided with vehicle-mounted small table plate control described above
Device processed.
Please refer to the embodiment of the above method for the introduction of vehicle-mounted small table plate provided by the present invention, the present invention is herein not
It repeats.
Each embodiment is described in a progressive manner in specification, the highlights of each of the examples are with other realities
The difference of example is applied, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment with
And for computer readable storage medium, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, phase
Place is closed referring to method part illustration.
Professional further appreciates that, module described in conjunction with the examples disclosed in the embodiments of the present disclosure
And algorithm steps, can be realized with electronic hardware, computer software, or a combination of the two, in order to clearly demonstrate hardware and
The interchangeability of software generally describes each exemplary composition and step according to function in the above description.These
Function is implemented in hardware or software actually, the specific application and design constraint depending on technical solution.Profession
Technical staff can use different methods to achieve the described function each specific application, but this realization is not answered
Think beyond the scope of this invention.
The step of method described in conjunction with the examples disclosed in this document or algorithm, can directly be held with hardware, processor
The combination of capable software module or the two is implemented.Software module can be placed in random access memory (RAM), memory, read-only deposit
Reservoir (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technology
In any other form of storage medium well known in field.
The control method of vehicle-mounted small table plate provided by the present invention, controller and vehicle-mounted small table plate have been carried out in detail above
It is thin to introduce.Used herein a specific example illustrates the principle and implementation of the invention, and above embodiments are said
It is bright to be merely used to help understand method and its core concept of the invention.It should be pointed out that for the ordinary skill of the art
, without departing from the principle of the present invention, can be with several improvements and modifications are made to the present invention for personnel, these improvement
The protection scope of the claims in the present invention is also fallen into modification.
Claims (10)
1. a kind of control method of vehicle-mounted small table plate, which is characterized in that the method includes:
During folding or small table plate being unfolded, the hall signal of analysis-driven motor obtains the revolving speed letter of the driving motor
Breath;
According to the rotary speed information, judge whether the small table plate touches barrier;
If the small table plate touches barrier, the small table plate is driven to move backward the distance of default size.
2. the method according to claim 1, wherein it is described fold or small table plate be unfolded include:
Receive the switching signal of the control switch of the small table plate;
According to the switching signal, judge whether the closure duration of the control switch is less than preset value;
If the closure duration of the control switch is less than the preset value, the small table plate is unfolded to position of maximum extension or receipts
The small table plate is closed to maximum stowed position;
If the closure duration of the control switch is not less than the preset value, it is unfolded or folds the small table plate until the control
System switch disconnects.
3. according to the method described in claim 2, it is characterized in that, described be unfolded the small table plate to position of maximum extension or receipts
Closing the small table plate to maximum stowed position includes:
By analyzing the hall signal of the driving motor, the location information of the small table plate is obtained;
According to the positional information, judge whether the distance between the small table plate and mechanical hard stop reach pre-determined distance value;
If the distance between the small table plate and the mechanical hard stop reach pre-determined distance value, stops the driving motor and turn
It is dynamic.
4. method according to any one of claims 1 to 3, which is characterized in that the method also includes:
Receive pre-impact signal;
When receiving the pre-impact signal, the small table plate is in unfolded state, then the small table plate is driven to fold to maximum
Stowed position.
5. according to the method described in claim 4, it is characterized in that, the driving small table plate is folded to maximum stowed position
Including:
The revolving speed of the driving motor is adjusted to maximum (top) speed;
The small table plate is driven to fold to maximum stowed position with the maximum (top) speed by the driving motor.
6. a kind of vehicle-mounted small table plate controller, which is characterized in that including:
Hall detection circuit obtains the hall signal of driving motor, and will be described during folding or small table plate is unfolded
Hall signal feeds back to MCU;
The MCU obtains the rotary speed information of the driving motor for analyzing the hall signal of the driving motor;According to institute
Rotary speed information is stated, judges whether the small table plate touches barrier;If the small table plate touches barrier, to driving electricity
Road sends the driving instruction for driving the small table plate reverse movement;
The driving circuit, for driving the small table plate to move backward by the driving motor according to the driving instruction
The distance of default size.
7. vehicle-mounted small table plate controller according to claim 6, which is characterized in that the MCU is also used to:
By analyzing the hall signal of the driving motor, the location information of the small table plate is obtained;
According to the positional information, judge whether the distance between the small table plate and mechanical hard stop reach pre-determined distance value;
If the distance between the small table plate and the mechanical hard stop reach pre-determined distance value, stops the driving motor and turn
It is dynamic.
8. vehicle-mounted small table plate controller according to claim 7, which is characterized in that the driving circuit is specially H-
Bridge control circuit.
9. vehicle-mounted small table plate controller according to claim 8, which is characterized in that further include:
Communication chip is sent to the MCU for receiving pre-impact signal, and by the pre-impact signal.
10. a kind of vehicle-mounted small table plate, which is characterized in that it is described in any item that the vehicle-mounted small table plate is provided with claim 6 to 9
Vehicle-mounted small table plate controller.
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CN110509855A (en) * | 2019-08-19 | 2019-11-29 | 一汽解放汽车有限公司 | A kind of telescopic footboard device and vehicle |
CN112067991A (en) * | 2020-08-07 | 2020-12-11 | 深圳市兆威机电股份有限公司 | Motor locked-rotor detection method, detection device, terminal equipment and storage medium |
CN113734017A (en) * | 2021-08-26 | 2021-12-03 | 东风柳州汽车有限公司 | Control method and control device of seat and seat |
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CN110509855A (en) * | 2019-08-19 | 2019-11-29 | 一汽解放汽车有限公司 | A kind of telescopic footboard device and vehicle |
CN112067991A (en) * | 2020-08-07 | 2020-12-11 | 深圳市兆威机电股份有限公司 | Motor locked-rotor detection method, detection device, terminal equipment and storage medium |
CN113734017A (en) * | 2021-08-26 | 2021-12-03 | 东风柳州汽车有限公司 | Control method and control device of seat and seat |
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