CN110074590A - A kind of electronic something or somebody to fall back on device of preventing damage and its control method - Google Patents
A kind of electronic something or somebody to fall back on device of preventing damage and its control method Download PDFInfo
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- CN110074590A CN110074590A CN201910168621.3A CN201910168621A CN110074590A CN 110074590 A CN110074590 A CN 110074590A CN 201910168621 A CN201910168621 A CN 201910168621A CN 110074590 A CN110074590 A CN 110074590A
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- Prior art keywords
- driving motor
- somebody
- something
- current
- electronic
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C17/00—Sofas; Couches; Beds
- A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C19/00—Bedsteads
- A47C19/02—Parts or details of bedsteads not fully covered in a single one of the following subgroups, e.g. bed rails, post rails
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C20/00—Head -, foot -, or like rests for beds, sofas or the like
- A47C20/04—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination
- A47C20/041—Head -, foot -, or like rests for beds, sofas or the like with adjustable inclination by electric motors
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Nursing (AREA)
- Bedding Items (AREA)
- Control Of Electric Motors In General (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a kind of electronic something or somebody to fall back on device of preventing damage, including head pillow mechanism, backrest, driving motor and control mechanism, the head pillow mechanism and the backrest are rotatablely connected, and wherein the middle part of connecting rod is connect by the first connector with motor push rod；The control mechanism is connect with the driving motor, the control mechanism includes sequentially connected controller, motor operation control module and current sampling module, current information of the current sampling module for driving motor described in real-time sampling, the controller, which is used to control the driving motor by the motor operation control module, drives the motor pushrod movement, to drive the head pillow mechanism to be unfolded or collapse in the backrest.The present invention also provides a kind of control methods of the electronic something or somebody to fall back on device of preventing damage, improve the anti-pinch safety and sensitivity of product.
Description
Technical field
The present invention relates to technical field of furniture manufacturing more particularly to a kind of electronic something or somebody to fall back on device of preventing damage and its controlling parties
Method.
Background technique
As the improvement of people's living standards, the products such as Electric sofa, seat, bed-rest are more more and more universal, Electric sofa,
It is generally provided with something or somebody to fall back on regulating device above seat, bed-rest, headrest can be made relative to backrest by something or somebody to fall back on regulating device
It is pivoted.For people when being seated, the back of sofa is not only rise, and the position of waist and head can get up two pillows,
Head and the waist of people can be padded, like that can it is comfortable very much；When back drops to it is flat when, when people can be with recumbency rest,
Back be it is smooth, only there is a pillow on head.
With popularizing for this kind of product, the safety requirements of product is also increasingly increased.Electric sofa, seat and bed-rest exist
Main safety problem is to adjust by unlucky anti-pinch problem when use.Overwhelming majority producer is realizing pinch resistant functionality at present
When, substantially using the mode of preset parameter.But several factors can shadow in the whole system life cycle that product uses
Mechanical system is rung, such as the abrasion of motor ages, mechanical parts can all cause the offset of motor working current, so being possible to cause
It cannot play a protective role after centainly using the time.According to above-mentioned reliable design anti-pinch device and anti-clip control method are necessary
's.
Summary of the invention
The technical problem to be solved by the embodiment of the invention is that solving the anti-of the products such as Electric sofa, seat and bed-rest
Folder problem.
In order to solve the above-mentioned technical problem, the present invention in view of the deficiencies of the prior art and defect, designs a kind of preventing damage electricity
Dynamic something or somebody to fall back on device and its control method, it is equal when for being started every time for existing anti-biting control device using current sampling module
Running current is first sampled, to guarantee that correct anti-pinch parameters can be provided when the operation of each driving motor, realizes anti-pinch
Parameter changes automatically, is no longer preset parameter.
The present invention provides a kind of electronic something or somebody to fall back on devices of preventing damage, including head pillow mechanism, backrest, driving motor and control
Mechanism processed, the head pillow mechanism and the backrest are rotatablely connected, and the head pillow mechanism includes connecting rod and moving part, described
One end of moving part is connect with the connecting rod, and the middle part of the connecting rod is connect by the first connector with motor push rod；
The control mechanism is connect with the driving motor, and the control mechanism includes sequentially connected controller, motor
Operation control module and current sampling module, electric current letter of the current sampling module for driving motor described in real-time sampling
Breath, the controller, which is used to control the driving motor by the motor operation control module, drives the motor push rod to transport
It is dynamic, to drive the head pillow mechanism to be unfolded or collapse in the backrest.
Further, the motor operation control module is power driver module, and the motor operation control module is used for
Receive the control signal of the control mechanism, and controls the driving motor.
Further, one end of the controller connects to power supply, the other end of the controller respectively with the motor
Operation control module is connected with the current sampling module, and the controller is used to obtain the electric current letter of the current sampling module
Breath, and during the driving motor withdraws the head pillow mechanism, judge that the withdrawal operating current of the driving motor is
No to be more than or equal to anti-pinch electric current, when the withdrawal operating current is more than or equal to anti-pinch electric current, the controller passes through the electricity
Machine operation control module, which controls the driving motor, to be stopped withdrawing the head pillow mechanism.
Further, the electric headrest device further includes alarm, and the alarm is connect with the controller, described
Alarm is used to before the control driving motor is out of service alarm.
Further, the head pillow mechanism further includes head restraint frame, and the head restraint frame is fixedly connected with the moving part.
Further, the backrest includes back frame and back frame connection component, the back frame and institute
Back frame connection component is stated to be fixedly connected.
Further, the back frame connection component includes fixed link and two fixing pieces, two fixing piece phases
To setting, the fixed link is set between two fixing pieces, and each described fixing piece one end is connect with the moving part,
The other end is connect with the fixed link.
Further, the moving part and the fixing piece are rotatablely connected.
Further, the second connector is provided in the middle part of the fixed link, one end of the driving motor passes through described
Second connector is connect with the fixed link, the other end of the driving motor by motor push rod and the first connector with it is described
Connecting rod connection.
Further, first connector and the motor push rod are rotatablely connected by shaft, and the shaft is pin
Or rotating bolt, one end of second connector and the driving motor are rotatablely connected by shaft, the shaft is pin
Or rotating bolt.
The present invention also provides a kind of control methods of the electronic something or somebody to fall back on device of preventing damage, comprising the following steps:
The withdrawal instruction of the head pillow mechanism is received, the driving motor of the head pillow mechanism is withdrawn in starting；
Obtain the running current of the driving motor；
Set anti-pinch electric current；
During the head pillow mechanism is withdrawn, the withdrawal operating current of driving motor described in real-time sampling；
Judge whether the withdrawal operating current of the driving motor is more than or equal to the anti-pinch electric current；
Stop withdrawing the head pillow mechanism if so, controlling the driving motor.
Further, the running current for obtaining the driving motor includes: to obtain the driving motor starting
Operating current after preset time, using the operating current after the preset time as the running current.
Further, the preset time is 60-120ms.
Further, running current and default resistance fluctuating current phase of the anti-pinch electric current for the driving motor
Add, obtains the anti-pinch electric current.
Further, the control driving motor stops withdrawing the head pillow mechanism including: the control driving electricity
Machine is out of service or the control driving motor opens the head pillow mechanism.
The implementation of the embodiments of the present invention has the following beneficial effects:
(1) present invention is provided with motor operation control module connected to the controller and current sample mould by control mechanism
Block, wherein each recovery operation starts to first pass through the running current that current sampling module obtains the driving motor, i.e. institute
Stating running current is the performance according to driving motor and changes, and increases self-learning function, to guarantee driving every time
Correct anti-pinch current parameters can be provided when motor operation, realize that anti-pinch parameters change automatically.
(2) the invention avoids driving motor because caused by aging, abrasion etc. after being used for a long time motor working current deviate, make
At anti-pinch electric current inaccuracy to cause centainly to use the problem of cannot playing the role of anti-pinch after the time.
(3) present invention improves the safe anti-pinch of the products such as Electric sofa, seat, bed-rest with something or somebody to fall back on regulating device
Performance, makes that the electronic something or somebody to fall back on device reaction of preventing damage is sensitiveer, safe and efficient and practicability is stronger, effectively improves user experience.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the assembling schematic diagram for the something or somebody to fall back on device that the embodiment of the present invention 1 provides, clear to describe, and removes part-structure；
Fig. 2 is the structural schematic diagram for the electronic something or somebody to fall back on device of preventing damage that the embodiment of the present invention 1 provides；
Fig. 3 is the connection relationship diagram of the control mechanism that the embodiment of the present invention 1 provides and driving motor；
Fig. 4 is the flow chart for the electronic something or somebody to fall back on apparatus control method of preventing damage that the embodiment of the present invention 1 provides；
Fig. 5 is the connection relationship diagram of the control mechanism that the embodiment of the present invention 2 provides and driving motor；
Wherein, appended drawing reference are as follows: 1- head pillow mechanism, 2- backrest, 3- driving motor, 4- control mechanism, 11- headrest frame
Frame, 12- connecting rod, 13- moving part, the first connector of 14-, the second connector of 15-, 21- back frame, 22- back frame connect
Connected components, 221- fixed link, 222- fixing piece, 31- motor push rod, 40- power supply, 41- controller, 42- motor operation control mould
Block, 43- current sampling module, 44- alarm.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, below in conjunction in the embodiment of the present invention
Attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
The model that the present invention protects all should belong in member's every other embodiment obtained without making creative work
It encloses.
" one embodiment " or " embodiment " referred to herein, which refers to, may be included at least one implementation of the invention
A particular feature, structure, or characteristic.In addition, term " first ", " second " are used for description purposes only, and should not be understood as instruction or
It implies relative importance or implicitly indicates the quantity of indicated technical characteristic.The spy of " first ", " second " is defined as a result,
Sign can be expressed or what is implied includes one or more of the features.Moreover, term " first ", " second " etc. are for area
Not similar object, without being used to describe a particular order or precedence order.It should be understood that the data used in this way are appropriate
In the case of can be interchanged, so as to the embodiment of the present invention described herein can in addition to those of illustrate or describe herein with
Outer sequence is implemented.
Embodiment 1:
As shown in Figure 1-3, the present invention provides a kind of electronic something or somebody to fall back on device of preventing damage, including head pillow mechanism 1, backrest 2,
Driving motor 3 and control mechanism 4, the head pillow mechanism 1 are rotatablely connected with the backrest 2, and the head pillow mechanism 1 includes connecting
Extension bar 12 and moving part 13, one end of the moving part 13 are connect with the connecting rod 12, and the middle part of the connecting rod 12 passes through
First connector 14 is connect with motor push rod 31；
The control mechanism 4 is connect with the driving motor 3, the control mechanism 4 include sequentially connected controller 41,
Motor operation control module 42 and current sampling module 43, the current sampling module 43 is for driving motor described in real-time sampling
3 current information, the controller 41, which is used to control the driving motor 3 by the motor operation control module 42, drives institute
The movement of motor push rod 31 is stated, to drive the head pillow mechanism 1 to be unfolded or collapse in the backrest 2.
Specifically, the motor operation control module 42 is power driver module, and the motor operation control module 42 is used
In the control signal of the receiving control mechanism 4, and control the driving motor 3.
Specifically, one end of the controller 41 is connect with power supply 40, the other end of the controller 41 respectively with it is described
Motor operation control module 42 and the current sampling module 43 connect, and the controller 41 is for obtaining the current sample mould
The current information of block 43, and during the driving motor 3 withdraws head pillow mechanism 1, judge the driving motor 3
Withdraw whether operating current is more than or equal to anti-pinch electric current, when the withdrawal operating current is more than or equal to anti-pinch electric current, the control
Device 41 processed, which controls the driving motor 3 by the motor operation control module 42, to be stopped withdrawing the head pillow mechanism 1.
Specifically, the head pillow mechanism 1 further includes head restraint frame 11, and the head restraint frame 11 and the moving part 13 are fixed
Connection.The backrest 2 includes back frame 21 and back frame connection component 22, the back frame 21 and the backrest
Frame connection component 22 is fixedly connected.The back frame connection component 22 include fixed link 221 and two fixing pieces 222, two
A fixing piece 222 is oppositely arranged, and the fixed link 221 is set between two fixing pieces 222, each fixation
222 one end of part is connect with the moving part 13, and the other end is connect with the fixed link 221.The moving part 13 and the fixation
Part 222 is rotatablely connected.
In some embodiments, the head restraint frame 11 and the connector 13, the back frame 21 and the fixation
The fixed form that part 222 can be connected using screw, be bolted or rivet, the head restraint frame 11 and the back frame 21
It can be using wood frame or the structure of metal framework.
Specifically, the middle part of the fixed link 221 is provided with the second connector 15, and one end of the driving motor 3 passes through
Second connector 15 is connect with the fixed link 221, and the other end of the driving motor 3 passes through motor push rod 31 and first
Connector 14 is connect with the connecting rod 12.
Specifically, first connector 14 is rotatablely connected with the motor push rod 31 by shaft, and the shaft is pin
One end of nail or rotating bolt, second connector 15 and the driving motor 3 is rotatablely connected by shaft, and the shaft is
Pin or rotating bolt.First connector 14 and the connecting rod 12, second connector 15 and the fixed link 221
It can be connected by welding, clamping, socket or bolted mode.
The embodiment of the present invention also provides a kind of electronic something or somebody to fall back on apparatus control method of preventing damage, as shown in figure 4, including following step
It is rapid:
S001, receives the withdrawal instruction of the head pillow mechanism, and the driving motor of the head pillow mechanism is withdrawn in starting.
Specifically, after pressing the key for withdrawing head pillow mechanism, controller receives the withdrawal instruction of head pillow mechanism, and opens
The dynamic driving motor for withdrawing the head pillow mechanism, the headrest are realized by the driving of driving motor and open and withdraw.
S003 obtains the running current of the driving motor.
In practical applications, transient current when motor just starts is larger, does not have stability and referential, accordingly
, in some embodiments, the running current for obtaining the driving motor specifically includes: obtaining the driving motor
Operating current after starting preset time.
Specifically, operating current can tend towards stability, correspondingly, can will drive after general driving motor starting a period of time
Dynamic electric motor starting for a period of time after operating current as the running current.It is described pre- in this specification embodiment
If the time is 60-120ms.In some embodiments, the preset time is preferably 100ms.
S005 sets anti-pinch electric current.
Specifically, anti-pinch electric current is determined using the running current and default resistance fluctuating current.It obtains first pre-
It sets up defences and presss from both sides resistance, the default anti-pinch resistance is usually generally to make young to a resistance of driving motor in advance
Child or baby generate the size of a power of pain.Determine that the default resistance fluctuates according to the default anti-pinch resistance later
Electric current, the default resistance fluctuating current are the fluctuation of driving motor collected driving motor after by default anti-pinch resistance
Current value.The default resistance fluctuating current is added with the running current finally, obtains the anti-pinch electric current.
S007, during the head pillow mechanism is withdrawn, the withdrawal operating current of driving motor described in real-time sampling.
S009, judges whether the withdrawal operating current of the driving motor is more than or equal to the anti-pinch electric current.
Specifically, it during the driving motor withdraws the head pillow mechanism, is adopted in real time by current sampling module
The withdrawal operating current of driving motor described in sample simultaneously sends controller to, and the withdrawal work of the driving motor is judged by controller
Make whether electric current is more than or equal to the anti-pinch electric current.
S011 stops withdrawing the head pillow mechanism if so, controlling the driving motor.
Specifically, if the withdrawal operating current of the driving motor is more than or equal to the anti-pinch electric current, judge to drive
Motor withdrawal is obstructed, and controller, which controls driving motor by motor operation control module, to be stopped withdrawing the head pillow mechanism, thus
It can prevent head pillow mechanism from continuing to withdraw, cause the possibility for crushing accident.
Specifically, the control driving motor stops withdrawing the head pillow mechanism including: the control driving motor
The head pillow mechanism is opened in the out of service or control driving motor reversion.
Embodiment 2:
As shown in figure 5, the embodiment of the present invention 2 the difference from embodiment 1 is that, the electronic something or somebody to fall back on device further include alarm
Device 44, the alarm 44 are connect with the controller 41, and the alarm 44 is used to control the stopping of driving motor 3 fortune
It alarms before row.
In practical applications, the course of work of the electronic something or somebody to fall back on device of the preventing damage, after pressing the withdrawal key of headrest,
The starting of driving motor 3 starts to withdraw headrest.If the withdrawal operating current that current sampling module 43 acquires in real time during withdrawing
Less than anti-pinch electric current, then head pillow mechanism is smoothly withdrawn.If current sampling module 43 occur during withdrawing collects withdrawal work
Make the case where electric current is more than or equal to anti-pinch electric current, then alarm 44 is alarmed, and controller 41 passes through motor operation control module 42
Control driving motor 3 stops running immediately.After stopping to release, restarting driving motor 3 continues withdrawal movement until headrest
Mechanism is recovered to initial position.
The electronic something or somebody to fall back on apparatus control method of preventing damage provided by foregoing invention embodiment is as it can be seen that every time recovery operation
Operating current after first obtaining the driving motor starting preset time is as running current, i.e., the described running current
It is the performance according to driving motor and changes have self-learning function, thus can when guaranteeing the operation of each driving motor
Accurate running current is provided, the accuracy of anti-pinch parameters is improved.Avoid driving motor because be used for a long time after aging,
Abrasion etc. causes motor working current to deviate, and causes anti-pinch electric current inaccuracy to cause centainly to use pinch resistant functionality after the time to lose
Spirit or the problem of anti-pinch cannot be played the role of.Improve the safety and sensitivity of product.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (15)
1. a kind of electronic something or somebody to fall back on device of preventing damage, which is characterized in that including head pillow mechanism (1), backrest (2), driving motor
(3) it is rotatablely connected with control mechanism (4), the head pillow mechanism (1) and the backrest (2), the head pillow mechanism (1) includes
One end of connecting rod (12) and moving part (13), the moving part (13) is connect with the connecting rod (12), the connecting rod
(12) middle part is connect by the first connector (14) with motor push rod (31)；
The control mechanism (4) connect with the driving motor (3), and the control mechanism (4) includes sequentially connected controller
(41), motor operation control module (42) and current sampling module (43), the current sampling module (43) are used for real-time sampling
The current information of the driving motor (3), the controller (41) are used to control by the motor operation control module (42)
The driving motor (3) drives motor push rod (31) movement, to drive the head pillow mechanism (1) to be unfolded or collapse in described
Backrest (2).
2. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 1, which is characterized in that the motor operation controls mould
Block (42) is power driver module, and the motor operation control module (42) is used to receive the control letter of the control mechanism (4)
Number, and control the driving motor (3).
3. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 1, which is characterized in that the one of the controller (41)
End connect with power supply (40), the other end of the controller (41) respectively with the motor operation control module (42) and the electricity
Flow sampling module (43) connection, the controller (41) is used to receive the current informations of the current sampling module (43), and
During the driving motor (3) withdraws the head pillow mechanism (1), the withdrawal operating current of the driving motor (3) is judged
Whether anti-pinch electric current is more than or equal to, when the withdrawal operating current is more than or equal to anti-pinch electric current, the controller (41) passes through
The motor operation control module (42) controls the driving motor (3) and stops withdrawing the head pillow mechanism (1).
4. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 1, which is characterized in that the electric headrest device is also
Including alarm (44), the alarm (44) connect with the controller (41), and the alarm (44) is used in control institute
State driving motor (3) it is out of service before alarm.
5. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 1, which is characterized in that the head pillow mechanism (1) is also
Including head restraint frame (11), the head restraint frame (11) is fixedly connected with the moving part (13).
6. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 1, which is characterized in that backrest (2) packet
Include back frame (21) and back frame connection component (22), the back frame (21) and the back frame connection component
(22) it is fixedly connected.
7. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 5, which is characterized in that the back frame connection group
Part (22) includes fixed link (221) and two fixing pieces (222), and two fixing pieces (222) are oppositely arranged, the fixed link
(221) it is set between two fixing pieces (222), each described fixing piece (222) one end and the moving part (13) are even
It connects, the other end is connect with the fixed link (221).
8. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 6, which is characterized in that the moving part (13) and institute
State fixing piece (222) rotation connection.
9. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 6, which is characterized in that the fixed link (221)
Middle part is provided with the second connector (15), one end of the driving motor (3) by second connector (15) with it is described solid
The other end of fixed pole (221) connection, the driving motor (3) passes through motor push rod (31) and the first connector (14) and the company
Extension bar (12) connection.
10. the electronic something or somebody to fall back on device of a kind of preventing damage according to claim 1, which is characterized in that first connector
(14) it is rotatablely connected with the motor push rod (31) by shaft, the shaft is pin or rotating bolt, second connection
One end of part (15) and the driving motor (3) is rotatablely connected by shaft, and the shaft is pin or rotating bolt.
11. a kind of electronic something or somebody to fall back on apparatus control method of preventing damage, which comprises the following steps:
The withdrawal instruction of the head pillow mechanism is received, the driving motor of the head pillow mechanism is withdrawn in starting；
Obtain the running current of the driving motor；
Set anti-pinch electric current；
During the head pillow mechanism is withdrawn, the withdrawal operating current of driving motor described in real-time sampling；
Judge whether the withdrawal operating current of the driving motor is more than or equal to the anti-pinch electric current；
Stop withdrawing the head pillow mechanism if so, controlling the driving motor.
12. the electronic something or somebody to fall back on apparatus control method of a kind of preventing damage according to claim 11, which is characterized in that the acquisition
The running current of the driving motor includes: the operating current obtained after the driving motor starting preset time, by institute
Operating current after stating preset time is as the running current.
13. the electronic something or somebody to fall back on apparatus control method of a kind of preventing damage according to claim 12, which is characterized in that described default
Time is 60-120ms.
14. the electronic something or somebody to fall back on apparatus control method of a kind of preventing damage according to claim 11, which is characterized in that the anti-pinch
Electric current is that the running current of the driving motor is added with default resistance fluctuating current, obtains the anti-pinch electric current.
15. the electronic something or somebody to fall back on apparatus control method of a kind of preventing damage according to claim 11, which is characterized in that the control
The driving motor stops withdrawing the head pillow mechanism including: that the control driving motor is out of service or the control driving is electric
Machine opens the head pillow mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168621.3A CN110074590B (en) | 2019-03-06 | 2019-03-06 | Anti-pinch electric headrest device and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910168621.3A CN110074590B (en) | 2019-03-06 | 2019-03-06 | Anti-pinch electric headrest device and control method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110074590A true CN110074590A (en) | 2019-08-02 |
| CN110074590B CN110074590B (en) | 2022-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910168621.3A Active CN110074590B (en) | 2019-03-06 | 2019-03-06 | Anti-pinch electric headrest device and control method thereof |
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