CN106037349A - Security system of baby carriage - Google Patents
Security system of baby carriage Download PDFInfo
- Publication number
- CN106037349A CN106037349A CN201610406673.6A CN201610406673A CN106037349A CN 106037349 A CN106037349 A CN 106037349A CN 201610406673 A CN201610406673 A CN 201610406673A CN 106037349 A CN106037349 A CN 106037349A
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- Prior art keywords
- cue
- value
- car body
- controller
- stroller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000000034 method Methods 0.000 claims description 16
- 230000004888 barrier function Effects 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 description 8
- 238000001514 detection method Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000006742 locomotor activity Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D13/00—Other nursery furniture
- A47D13/04—Apparatus for helping babies to walk; Baby walkers or strollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B9/00—Accessories or details specially adapted for children's carriages or perambulators
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/02—Alarms for ensuring the safety of persons
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Emergency Alarm Devices (AREA)
- Carriages For Children, Sleds, And Other Hand-Operated Vehicles (AREA)
Abstract
The invention discloses a security system of a baby carriage. The baby carriage comprises an undercarriage, a baby carriage body and four wheels, wherein the baby carriage body and the wheels are connected by virtue of supporting pieces; a through hole is formed in the undercarriage; a net bag is arranged in the through hole; the four wheels are distributed on four directions of the baby carriage body; the security system comprises pressure sensing devices, infrared sensing devices, a distance sensor, a controller, a signal transmitter, terminal equipment and a stepping motor, wherein the pressure sensing devices are arranged on the supporting pieces; the infrared sensing devices are arranged on four sides of the through hole; the distance sensor is arranged on the baby carriage body; the controller is arranged on the undercarriage and is in signal connection to the pressure sensing devices and the infrared sensing devices; the signal transmitter is arranged on the undercarriage and is in signal connection to the controller; the terminal equipment is used for receiving signals which are transmitted by the signal transmitter, for resolving the received prompt signals into information, displaying the information and sending a warning; and the stepping motor is fixedly arranged on the supporting piece which is in correspondence to the first universal wheel and is connected to the controller. The security system disclosed by the invention can monitor the status of the baby carriage away from an obstacle, so that the baby carriage can automatically turn.
Description
Technical field
The present invention relates to technical field of safety protection.It is more particularly related to a kind of baby for stroller
Car safety-protection system.
Background technology
Stroller aspect in family's protector for children is supported has important effect, and it enables the guardians such as father and mother lighter
Keep an eye on child baby, moreover it is possible to cultivate the support of child and locomotor activity.Existing child and stroller function singleness, it is impossible to from
Moving and realize balance adjustment, it is impossible to monitoring car body situation, more cannot monitor the situation of baby, function of safety protection is relatively limited.
Along with the security administration setting up the community of test further of open community, for preventing security administration leak from bringing to lawless person
Opportunity, needs to design the safety-protection system of a kind of stroller in case baby occurs unexpected or embraced.Particularly, in monitoring
People is away from stroller or when closely cannot look after stroller, and stroller is easily separated from safe distance, if failing to turn in time
Can knock barrier and cause the damage of baby, therefore, design one can early warning stroller safe distance and auto-steering avoidance
The safety-protection system of barrier becomes a problem needing solution badly.
Summary of the invention
It is an object of the invention to solve at least the above, and the advantage that at least will be described later is provided.The present invention
It is also an object that provide a kind of stroller safety-protection system, its to the inclination of stroller, the situation such as topple over and point out and warn
Accuse, and monitor whether baby leaves car body.
It is a still further object of the present invention to provide a kind of stroller safety-protection system, it can monitor between stroller and barrier
Distance, and automatically control stroller and turn to, it is to avoid bump against.
In order to realize according to object of the present invention and further advantage, it is provided that a kind of stroller safety-protection system, described
Stroller includes hull, is arranged on below hull for supporting the car body of hull and being arranged under car body for supporting car
Four Universal wheels of body, are connected by support member between described car body and Universal wheel, described hull centrally disposed useful
In laying the through hole of baby, being provided with the string bag to support baby in described through hole, described four Universal wheels are respectively distributed to institute
State four orientation of car body and the first Universal wheel is arranged on the frontal exposure of car body, the first Universal wheel and the second, the 40000th
Adjacent to wheel, relative with the 3rd Universal wheel, wherein, described safety-protection system includes:
Pressure sensitive device, it is separately positioned on the first, second, third and fourth corresponding with four Universal wheels and props up
Measured pressure value in support member；
Infrared inductor, it is arranged on the surrounding of described through hole for sensing whether through hole is placed into object；
Range sensor, it is arranged on car body the distance for sensing between car body and barrier；
Controller, its be arranged on described hull and with described pressure sensitive device, described infrared inductor and away from
Connect from sensor signal；
Signal projector, it is arranged on described hull, described signal projector be connected with described controller signals and to
Emission cue；And
Terminal unit, it is for receiving the cue that described signal projector sends, and described terminal unit will receive
Cue resolve to information after show and give a warning；And
Stepper motor, it is fixed on the support member corresponding with the first Universal wheel, and the rotary shaft of described stepper motor
It is connected and controls swinging of wheel, stepper motor and controller to connect with described Universal wheel, be also connected with power supply；
Wherein, described controller judges whether to put into baby according to described infrared inductor signal, then according to four
The force value of individual support member and the distance values of infrared sensor control described signal projector and send different cues,
Described terminal unit shows according to different cues and sends different warnings；
Meanwhile, described controller controls described stepper motor according to the distance values of range sensor and carries out left and right turn.
Preferably, in described stroller safety-protection system, described controller is at least configured to:
After receiving infrared inductor signal；
Receive the corresponding pressure value in four pressure sensitive devices respectively, putting down of four force value of the gained of calculating
Average also stores；
Receive force value corresponding in four pressure sensitive devices again, and be labeled as first, second, third and fourth pressure
Value；
First, second, third, fourth force value and described meansigma methods are compared mutually；
When in first, second, third, fourth force value the adjacent force value of any two and more than 2 times of meansigma methodss and surplus
Under two force value and less than 1.5 times of meansigma methodss time, control described signal projector and send the first cue；
When any two is less than 0.5 times of meansigma methods in first, second, third, fourth force value, controls described signal and send out
Emitter sends the second cue；
When first, second, third, fourth force value respectively less than meansigma methods or do not receive infrared inductor signal
Time, control described signal projector and send the 3rd cue.
Preferably, in described stroller safety-protection system, described first cue is resolved to by described terminal unit
Tilting of car body, resolves to car body by described second cue and topples over, and described 3rd cue is resolved to baby and departs from car
Body.
Preferably, in described stroller safety-protection system, also include humidity sensor, its be arranged on the described string bag with
The humidity value of the monitoring string bag, described humidity sensor is connected with described controller, and described controller controls according to described humidity value
Described signal projector sends humidity cue.
Preferably, in described stroller safety-protection system, described controller is also configured to
A predefined original wet angle value；
3 humidity values are received continuously from humidity sensor；
If 3 times humidity value is all higher than original wet angle value；Then control described signal projector and send the 4th cue.
Preferably, in described stroller safety-protection system, after described terminal unit receives described 4th cue
Send humidity alarm.
Preferably, in described stroller safety-protection system, described controller is also configured to
A predefined safe distance value；
Receive the distance values of described range sensor continuously；
If this distance values is more than described safe distance value, then controls described stepper motor and carry out the left side that angle is 10-30 °
Pendulum or right pendulum.
Preferably, in described stroller safety-protection system, described controller is also configured to
A predefined safe distance value；
Receive the distance values of described range sensor continuously；
If this distance values is more than described safe distance value, then controls described signal projector and send the 5th cue.
Preferably, in described stroller safety-protection system, after described terminal unit receives described 5th cue
Send distance alarm.
The present invention at least includes following beneficial effect:
First, the present invention, by arranging pressure inductor on the support member of four wheels of stroller, passes through feeling of stress
Answer the change of force value in device, the state of monitoring stroller and trend, it is possible to true and accurate reacts the real-time of stroller efficiently
State, and point out to terminal unit or show these real-time status, to reach the purpose of safety and protection monitoring.
Secondly, the present invention is directed to have the stroller of hull, car body, four wheels and support member be provided with controller,
Pressure inductor device, infrared inductor, sender unit and terminal unit, various piece close fit, reaction is efficiently
Sensitive, information alert is accurate.This security system and the supporting setting of stroller of this vehicle, it is possible to solving conventional pushchair can not protect
Card security protection and the problem of security monitoring, effect is the most notable.
Again, the present invention is to controlling particularly to configure, and the action of controller energy effective coordination car body, efficiently and accurately enters
Row signal prompt, solves traditional camera head monitor and can only carry out picture reaction, it is impossible to the problem carrying out effective security protection early warning.
Again, the present invention is provided with range sensor on car body, it is possible to the distance between detection stroller and barrier,
And when at a distance of closer distance, starting early warning, prompting relevant people takes appropriate measures, and the stepper motor of controller control simultaneously enters
The left-hand rotation of row certain angle or right-hand rotation, turn to controlling stroller, it is to avoid stroller knocks barrier and comes to harm.
Finally, the present invention can point out whether the inclination of stroller, tilt state, detection baby depart from stroller, detection
Baby has urinated monitoring of wet and safe distance etc., and security perfect in shape and function is reliable.
Part is embodied by the further advantage of the present invention, target and feature by description below, and part also will be by this
Invention research and practice and be understood by the person skilled in the art.
Accompanying drawing explanation
Fig. 1 is the structural representation of stroller of the present invention；
Fig. 2 is hull structural representation of the present invention；
Fig. 3 is the structural representation of support member of the present invention.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to description literary composition
Word can be implemented according to this.
Should be appreciated that used herein such as " have ", " comprising " and " including " term do not allot one or many
Other element individual or the existence of a combination thereof or interpolation.
As shown in Figure 1,2 and 3, a kind of stroller security system, it is adaptable to there is hull 1, car body 2, wheel 3, support member 4
Stroller with the string bag 102.Wherein, car body 2 is arranged on hull 1 and is arranged on car body 2 for supporting 1, four wheels 3 of hull below
Under be used for supporting car body 2 and rotation is slided, support member 4 is arranged between described car body 2 and wheel 3 for damping and controls car
Wheel, the through hole 101 being provided centrally with for laying baby of described hull 1, it is provided with the string bag 102 in described through hole 101 to prop up
Support baby, described four wheels 3 are respectively distributed to four orientation of described car body 2, the first wheel and the second, the 4th wheel phase
Neighbour, relative with the 3rd wheel, above wheel is Universal wheel, and the first wheel is arranged on the direct bearing of car body.For wheel
Row number is to distinguish adjacent with relative wheel 3, contrasts with these wheels of more good utilisation.
Stroller safety-protection system for above-mentioned stroller includes:
Pressure sensitive device, it is separately positioned on the first, second, third and fourth support corresponding with four wheels 3
Measured pressure value on part 4；The gravity of stroller passes to pressure sensitive device by after wheel, and pressure sensitive device is preferably provided
On the support 4, wheel 3 the least be arranged above improper.
Infrared inductor, it is arranged on the surrounding of described through hole 101 for sensing whether through hole is placed into object, infrared
Induction installation is constantly in monitor state, can send signal to controller when through hole 101 is placed into object；
Range sensor, it is arranged on car body 2 for sensing the distance between car body 2 and barrier；Range sensor
Can be ultrasonic distance-measuring sensor, infrared distance measuring sensor or airborne laser range finder, it is possible to now by stroller and barrier
The distance values between thing is hindered to be sent to controller.
Controller, its be arranged on described hull 1 and with described pressure sensitive device and described infrared inductor signal
Connecting, controller receives pressure sensitive device and the signal of infrared inductor, and makes corresponding manipulation behavior according to signal,
Send corresponding manipulation information；
Signal projector, its be arranged on described hull 1, described signal projector is connected also with described controller signals
To emission cue, signal projector is under control of the controller and carries out signal transmission behavior according to relevant instruction.
Signal can be launched by bluetooth, infrared ray, 3G or 4g communication network and WiFi network.
Terminal unit, it is for receiving the cue that described signal projector sends, and described terminal unit will receive
Cue resolve to information after show and give a warning.Wherein, described controller is according to described infrared inductor signal
Judge whether to put into baby, then control described signal projector according to the force value of four support members and send different promptings
Signal, described terminal unit shows according to different cues and sends different warnings.Terminal unit can be that hands is mechanical, electrical
Brain or other tablet device.
Stepper motor 5, it is fixed on the support member 4 corresponding with the first Universal wheel 3, and the turning of described stepper motor 5
Moving axis is connected with described Universal wheel 3 and controls swinging of wheel；Control wheel swinging equal to controlling stroller
Turn to, stepper motor 5 and controller connect and power supply connects, and controller controls stepping horse according to the signal of range sensor
The left-right rotation reached.
Further, described controller is at least configured to:
After receiving infrared inductor signal；
Receive the corresponding pressure value in four pressure sensitive devices respectively, putting down of four force value of the gained of calculating
Average also stores；
Receive force value corresponding in four pressure sensitive devices again, and be labeled as first, second, third and fourth pressure
Value；
First, second, third, fourth force value and described meansigma methods are compared mutually；
When in first, second, third, fourth force value the adjacent force value of any two and more than 2 times of meansigma methodss and surplus
Under two force value and less than 1.5 times of meansigma methodss time, control described signal projector and send the first cue；
When any two is less than 0.5 times of meansigma methods in first, second, third, fourth force value, controls described signal and send out
Emitter sends the second cue；
When first, second, third, fourth force value respectively less than meansigma methods or do not receive infrared inductor signal
Time, control described signal projector and send the 3rd cue.
Further, described first cue is resolved to tilting of car body by described terminal unit, by described second prompting letter
Number resolving to car body topples over, and described 3rd cue is resolved to baby and departs from car body.
Further, described safety-protection system also includes humidity sensor, and it is arranged on the described string bag with the monitoring string bag
Humidity value, described humidity sensor is connected with described controller, and described controller controls described signal according to described humidity value and sends out
Emitter sends humidity cue.
Further, described controller is also configured to
A predefined original wet angle value；
3 humidity values are received continuously from humidity sensor；
If 3 times humidity value is all higher than original wet angle value；Then control described signal projector and send the 4th cue.
Further, described terminal unit sends humidity alarm after receiving described 4th cue.
Further, described controller is also configured to
A predefined safe distance value；It can be 1 or 2 meter；
Receive the distance values of described range sensor continuously；
If this distance values is more than described safe distance value, then controls described stepper motor and carry out the left side that angle is 10-30 °
Pendulum or right pendulum.Swing and can set, and rotational angle can also set, be traditionally arranged to be 10,15,20 or 30 °.
Further, described controller is also configured to
A predefined safe distance value；Such as 1 meter or 2 meters, can arrange according to actual needs.
Receive the distance values of described range sensor continuously；
If this distance values is more than described safe distance numerical value, then controls described signal projector and send the 5th prompting letter
Number.
Further, described terminal unit sends distance alarm after receiving described 5th cue.
Although embodiment of the present invention are disclosed as above, but it is not restricted in description and embodiment listed
Use.It can be applied to various applicable the field of the invention completely.For those skilled in the art, can be easily
Realize other amendment.Therefore, under the general concept limited without departing substantially from claim and equivalency range, the present invention does not limit
In specific details with shown here as the legend with description.
Claims (9)
1. a stroller safety-protection system, described stroller include hull, be arranged on below hull for support hull car body,
And be arranged under car body for supporting four Universal wheels of car body, pass through support member between described car body and Universal wheel
Connect, the through hole being provided centrally with for laying baby of described hull, be provided with the string bag in described through hole to support baby, institute
State four Universal wheels and be respectively distributed to four orientation of described car body and the first Universal wheel is arranged on the frontal exposure of car body,
First Universal wheel and the second, the 4th Universal wheel are adjacent, relative with the 3rd Universal wheel, and wherein, described safety-protection system includes:
Pressure sensitive device, it is separately positioned on the first, second, third and fourth support member corresponding with four Universal wheels
Upper measured pressure value；
Infrared inductor, it is arranged on the surrounding of described through hole for sensing whether through hole is placed into object；
Range sensor, it is arranged on car body the distance for sensing between car body and barrier；
Controller, it is arranged on described hull and passes with described pressure sensitive device, described infrared inductor and distance
Sensor signal connects；
Signal projector, it is arranged on described hull, and described signal projector is connected and to outgoing with described controller signals
Penetrate cue；And
Terminal unit, it is for receiving the cue that described signal projector sends, and described terminal unit is by carrying of receiving
Show that signal resolution is to show after information and give a warning；And
Stepper motor, it is fixed on the support member corresponding with the first Universal wheel, and the rotary shaft of described stepper motor and institute
State Universal wheel and connect and control swinging of wheel, described stepper motor and the connection of described controller；
Wherein, described controller judges whether to put into baby according to described infrared inductor signal, then according to four
The force value of support member and the distance values of infrared sensor control described signal projector and send different cues, described
Terminal unit shows according to different cues and sends different warnings；
Meanwhile, described controller controls described stepper motor according to the distance values of range sensor and carries out left and right turn.
2. stroller safety-protection system as claimed in claim 1, wherein, described controller is at least configured to:
After receiving infrared inductor signal；
Receive the corresponding pressure value in four pressure sensitive devices, the meansigma methods of four force value of the gained of calculating respectively
And store；
Receive force value corresponding in four pressure sensitive devices again, and be labeled as first, second, third and fourth force value；
First, second, third, fourth force value and described meansigma methods are compared mutually；
When in first, second, third, fourth force value the adjacent force value of any two and more than 2 times of meansigma methodss and remaining
Two force value and less than 1.5 times of meansigma methodss time, control described signal projector and send the first cue；
When any two is less than 0.5 times of meansigma methods in first, second, third, fourth force value, control described signal projector
Send the second cue；
When first, second, third, fourth force value respectively less than meansigma methods or when not receiving infrared inductor signal, control
Make described signal projector and send the 3rd cue.
3. stroller safety-protection system as claimed in claim 2, wherein, described first cue is resolved by described terminal unit
For tilting of car body, described second cue is resolved to car body and topples over, described 3rd cue is resolved to baby and departs from
Car body.
4. stroller safety-protection system as claimed in claim 1, wherein, also includes humidity sensor, and it is arranged on the described string bag
On with monitor the string bag humidity value, described humidity sensor is connected with described controller, and described controller is according to described humidity value
Control described signal projector and send humidity cue.
5. stroller safety-protection system as claimed in claim 4, wherein, described controller is also configured to
A predefined original wet angle value；
3 humidity values are received continuously from humidity sensor；
If 3 times humidity value is all higher than original wet angle value；Then control described signal projector and send the 4th cue.
6. stroller safety-protection system as claimed in claim 5, wherein, described terminal unit receives described 4th cue
After send humidity alarm.
7. stroller safety-protection system as claimed in claim 1, wherein, described controller is also configured to
A predefined safe distance value；
Receive the distance values of described range sensor continuously；
If this distance values more than described safe distance value, then control described stepper motor carry out left swing that angle is 10-30 ° or
It it is right pendulum.
8. stroller safety-protection system as claimed in claim 1, wherein, described controller is also configured to
A predefined safe distance value；
Receive the distance values of described range sensor continuously；
If this distance values is more than described safe distance value, then controls described signal projector and send the 5th cue.
9. stroller safety-protection system as claimed in claim 8, wherein, described terminal unit receives described 5th cue
After send distance alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406673.6A CN106037349B (en) | 2016-06-12 | 2016-06-12 | Perambulator security system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610406673.6A CN106037349B (en) | 2016-06-12 | 2016-06-12 | Perambulator security system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106037349A true CN106037349A (en) | 2016-10-26 |
| CN106037349B CN106037349B (en) | 2019-10-08 |
Family
ID=57169842
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610406673.6A Active CN106037349B (en) | 2016-06-12 | 2016-06-12 | Perambulator security system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106037349B (en) |
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| CN101003251A (en) * | 2006-01-18 | 2007-07-25 | 陈之中 | Method and equipment for preventing car from tipped over |
| CN201901103U (en) * | 2010-12-15 | 2011-07-20 | 山东理工大学 | Automobile installed with anti-rollover device |
| CN202508137U (en) * | 2012-01-06 | 2012-10-31 | 西南石油大学 | Novel multifunctional infant stroller |
| CN204726370U (en) * | 2015-07-03 | 2015-10-28 | 北京汽车动力总成有限公司 | A kind of car for guarding against side turned over alarm set and automobile |
| CN105005331A (en) * | 2015-07-17 | 2015-10-28 | 济南大学 | Safe intelligent baby carriage capable of identifying user |
| CN105329387A (en) * | 2015-12-01 | 2016-02-17 | 杭州骑客智能科技有限公司 | Electric balance car |
| CN105433659A (en) * | 2015-12-11 | 2016-03-30 | 无锡利凯儿童用品有限公司 | Baby walker |
| CN205214800U (en) * | 2015-12-15 | 2016-05-11 | 黄桂燃 | Learn to walk universal wheel braking structure of car of baby |
-
2016
- 2016-06-12 CN CN201610406673.6A patent/CN106037349B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101003251A (en) * | 2006-01-18 | 2007-07-25 | 陈之中 | Method and equipment for preventing car from tipped over |
| CN201901103U (en) * | 2010-12-15 | 2011-07-20 | 山东理工大学 | Automobile installed with anti-rollover device |
| CN202508137U (en) * | 2012-01-06 | 2012-10-31 | 西南石油大学 | Novel multifunctional infant stroller |
| CN204726370U (en) * | 2015-07-03 | 2015-10-28 | 北京汽车动力总成有限公司 | A kind of car for guarding against side turned over alarm set and automobile |
| CN105005331A (en) * | 2015-07-17 | 2015-10-28 | 济南大学 | Safe intelligent baby carriage capable of identifying user |
| CN105329387A (en) * | 2015-12-01 | 2016-02-17 | 杭州骑客智能科技有限公司 | Electric balance car |
| CN105433659A (en) * | 2015-12-11 | 2016-03-30 | 无锡利凯儿童用品有限公司 | Baby walker |
| CN205214800U (en) * | 2015-12-15 | 2016-05-11 | 黄桂燃 | Learn to walk universal wheel braking structure of car of baby |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106037349B (en) | 2019-10-08 |
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Address after: 530007 703-C5 District, 7th Floor, Building A, No. 1, Electronic Industrial Park, No. 8 Gaoke Road, Nanning High-tech Zone, Guangxi Zhuang Autonomous Region Applicant after: Nanning Si Fei Electronic Science and Technology Co., Ltd. Address before: 530007 Nanning, the Guangxi Zhuang Autonomous Region, 49 Keyuan Avenue, Jin Yu B 3 units 11 floor 1102 Applicant before: Nanning Si Fei Electronic Science and Technology Co., Ltd. |
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Effective date of registration: 20190821 Address after: 362122 No. 575 Longcang Village, Dongyuan Town, Quanzhou Taiwanese Investment Zone, Quanzhou City, Fujian Province Applicant after: Quanzhou Taiwan investment zone Huajin Design Co., Ltd. Address before: 530007 703-C5 District, 7th Floor, Building A, No. 1, Electronic Industrial Park, No. 8 Gaoke Road, Nanning High-tech Zone, Guangxi Zhuang Autonomous Region Applicant before: Nanning Si Fei Electronic Science and Technology Co., Ltd. |
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Application publication date: 20161026 Assignee: Quanzhou Nianzhi Industrial Design Co., Ltd. Assignor: Quanzhou Taiwan investment zone Huajin Design Co., Ltd. Contract record no.: X2020350000007 Denomination of invention: Baby carriage security and protection system capable of early warning speed Granted publication date: 20191008 License type: Common License Record date: 20200116 |
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Assignee: Quanzhou Nianzhi Industrial Design Co.,Ltd. Assignor: QUANZHOU TAIWANESE INVESTMENT ZONE HUAJIN DESIGN Co.,Ltd. Contract record no.: X2020350000007 Date of cancellation: 20200605 |
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