CN107215381B - A kind of automation children trolley and its working method - Google Patents
A kind of automation children trolley and its working method Download PDFInfo
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- CN107215381B CN107215381B CN201710506594.7A CN201710506594A CN107215381B CN 107215381 B CN107215381 B CN 107215381B CN 201710506594 A CN201710506594 A CN 201710506594A CN 107215381 B CN107215381 B CN 107215381B
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- 238000000034 method Methods 0.000 title claims description 17
- 238000012545 processing Methods 0.000 claims description 5
- 229920000742 Cotton Polymers 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000012360 testing method Methods 0.000 claims description 3
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 2
- 230000003116 impacting effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 206010019233 Headaches Diseases 0.000 description 1
- 208000009205 Tinnitus Diseases 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 231100000869 headache Toxicity 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036651 mood Effects 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 231100000886 tinnitus Toxicity 0.000 description 1
Classifications
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- 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
-
- 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
- B62B9/08—Braking mechanisms; Locking devices against movement
- B62B9/087—Braking mechanisms; Locking devices against movement by locking in a braking position
-
- 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
- B62B9/10—Perambulator bodies; Equipment therefor
- B62B9/14—Equipment protecting from environmental influences, e.g. Hoods; Weather screens; Cat nets
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/02—Control of position or course in two dimensions
- G05D1/021—Control of position or course in two dimensions specially adapted to land vehicles
- G05D1/0212—Control of position or course in two dimensions specially adapted to land vehicles with means for defining a desired trajectory
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- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Toys (AREA)
- Lock And Its Accessories (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a kind of automation children trolleys, including car body, first handrail and the second handrail, vehicle body is provided with processor, driving device, decibel instrument, navigation device and storage device, decibel instrument is used to measure the noise of ambient enviroment, storage device is for storing user information, driving device, decibel instrument, navigation device and storage device are connect with processor, processor is connect with mobile terminal, electric safety cover and camera are provided with above car body, electric safety cover is connect with driving device, for protecting children in vehicles, camera is connect with processor, for absorbing ambient enviroment, fingerprint identification device is provided on first handrail, fingerprint identification device is connect with processor, cart personnel identity for identification, it is respectively arranged with first pressure sensor on first handrail and the second handrail and second pressure passes Sensor, first pressure sensor is connect with second pressure sensor with processor, for detecting whether someone's cart.
Description
Technical field
The present invention relates to children trolley field more particularly to a kind of automation children trolley and its working methods.
Background technique
In recent years, with the continuous development of science and technology, articles for children field is also developed rapidly, children trolley therein
It is the indispensable tool that adult looks after children, time-consuming and laborious due to keeping an eye on children when carrying child is gone out, most people can all select
Children are placed in cart, but this is only the most basic function of children trolley.
Current children trolley function is less, and safety is lower.When being trotted out using cart carrying child, if way
When middle parent needs rest, it has to terminate cart；If parent is busy on the way when needing to leave, cart is stayed in original place children
Safety cannot ensure, carry cart leave together, reduce work efficiency.
Summary of the invention
Goal of the invention: to solve the problems in the background art, the present invention provide a kind of automation children trolley and its
Working method.
Technical solution: a kind of working method automating children trolley, including car body, the first handrail and the second handrail,
The vehicle body is provided with processor, driving device, decibel instrument, navigation device and storage device, and the decibel instrument is used for
The noise of ambient enviroment is measured, the storage device is the driving device, the decibel instrument, described for storing user information
Navigation device and the storage device are connected to the processor, and the processor is connect with mobile terminal, on the car body
Side is provided with electric safety cover and camera, and the electric safety cover is connect with the driving device, for protecting interior youngster
Child, the camera are connected to the processor, and for absorbing ambient enviroment, fingerprint recognition dress is provided on first handrail
It sets, the fingerprint identification device is connected to the processor, for identification cart personnel identity, first handrail and described
Be respectively arranged with first pressure sensor and second pressure sensor on second handrail, the first pressure sensor with it is described
Second pressure sensor is connected to the processor, for detecting whether someone's cart.
As a kind of preferred embodiment of the invention, the car body further includes locking device, the locking device and the drive
Dynamic device connection, for locking wheel in unattended pusher gear.
As a kind of preferred embodiment of the invention, the car body further includes alarm device, the alarm device and the place
Device connection is managed, for sounding the alarm after fingerprint recognition mistake.
As a kind of preferred embodiment of the invention, the electric safety cover internal layer covers one layer of acoustical cotton, outer for reducing
Boundary's noise is influenced caused by children in vehicles.
As a kind of preferred embodiment of the invention, player is provided in the car body, the player and processor connect
It connects, for providing entertainment selection to children.
As a kind of preferred embodiment of the invention, including following work step:
A) first pressure sensor and the second pressure sensor will test value and send the processor to；
B) whether two detected values that the processor judgement receives all are not zero, to the driving if being all not zero
Device exports unlocking signal, and the driving device drives the locking device unlock；The locking dress if thering is a value to be zero
It sets and continues to lock wheel.
C) decibel instrument measures the noise of ambient enviroment and sends the noise figure of measurement to the processor；
D) processor judges whether ambient enviroment impacts children according to the numerical value received, if making to children
Closure signal is exported at the then driving device is influenced, the driving device drives the electric safety cover closure, if to children
It does not impact, maintains the operating status of the cart；
E) it when user opens unattended mode by mobile terminal, using mobile terminal editor's cart route and is sent to
The cart route is imported the navigation device by the processor, the processor, and the processor is to the driving device
Walk signal is exported, the driving device drives the cart to walk according to navigation routine；
F) camera absorbs the environment around the pusher gear and is transferred to the processor, the processing
Device judges whether there is pedestrian or non-motor vehicle is close, exports locking signal, the driving dress to the driving device if having
Set the driving locking device locking wheel；
G) user is by that can close the unattended mode after fingerprint recognition success.
As a kind of preferred embodiment of the invention, step d further include:
A safe decibel value is preset, when the numerical value that the processor receives is greater than the safe decibel value, the place
Reason device judges that external environment impacts children.
As a kind of preferred embodiment of the invention, before step e further include:
After the electric safety cover closure, the processor controls the player and opens, and the player starts to play
Cartoon or child music.
As a kind of preferred embodiment of the invention, step f further include:
If having a suspect to contact first handrail and the second handrail in unattended mode, the fingerprint is known
Other device reports an error and sends error signal to the processor, and the processor exports alarm signal, institute to the alarm device
Alarm device is stated to sound the alarm, meanwhile, the processor sends a warning to user mobile phone.
The utility model has the advantages that children trolley provided by the invention gives parent conveniently below the present invention realizes, nobody can be provided
Operation mode can be according to the route automatically walk of setting that is, when parent needs to rest or be in a hurry to be handled.This hair simultaneously
Bright situation about being abducted for children, is additionally arranged fingerprint identification device, greatly strengthens the safety of children trolley, cooperation camera shooting
Head can provide suspect's information to the police.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and consistent with the instructions for explaining the principles of this disclosure.Fig. 1 is a kind of automation children trolley structure provided by the invention
Schematic diagram；
Fig. 2 is a kind of automation children trolley working method schematic diagram provided by the invention；
Fig. 3 is alarming method schematic diagram provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.
Embodiment one
As shown in Figure 1, a kind of automation children trolley, including car body 1, the first handrail 2 and the second handrail 3, the vehicle
Body 1 is internally provided with processor 4, driving device 5, decibel instrument 6, navigation device 7 and storage device 8, and the decibel instrument 6 is used for
The noise of ambient enviroment is measured, the storage device 8 is for storing user information, the driving device 5, the decibel instrument 6, institute
It states navigation device 7 and the storage device 8 to connect with the processor 4, the processor 4 is connect with mobile terminal, described
Electric safety cover 9 and camera 10 are provided with above car body 1, the electric safety cover 9 is connect with the driving device 5, is used
In protection children in vehicles, the camera 10 connect with the processor 4, for absorbing ambient enviroment, on first handrail 2
It is provided with fingerprint identification device 11, the fingerprint identification device 11 is connect with the processor 4, for identification cart personnel body
Part, first pressure sensor 12 and second pressure sensing are respectively arranged on first handrail 2 and second handrail 3
Device 13, the first pressure sensor 12 are connect with the second pressure sensor 13 with the processor 4, for detecting whether
Someone's cart.The car body 1 further includes locking device 14, and the locking device 14 is connect with the driving device 5, in nothing
People locks wheel when operating pusher gear.Specifically, it is provided with fingerprint identification device 11 on first handrail 2, user can mention
It is preceding by fingerprint identification device 11 described in finger print information typing, the finger print information can be the fingerprint letter of more people in user family
Breath, all must first carry out fingerprint recognition, the cart can be operated after identifying successfully, otherwise when user contacts the cart every time
The cart is all in lock state.In the initial state, the locking device 14 locks wheel to the cart, and cart is nothing at this time
What method was pushed.First pressure sensor 12 and second are respectively arranged on first handrail 2 and second handrail 3
Pressure sensor 13, when user is outgoing using the cart carrying child, the first pressure sensor 12 and second pressure
Sensor 13 detects pressure value on first handrail 2 and second handrail 3 and it is sent to processor 4 in real time, keeps away
Exempt to cause security risk existing for cart described in user's one-handed performance, the processor 4 judges receive two pressure values
When being not zero, then unlocking signal is exported to the driving device 5, the driving device 5 drives the locking device 14 to unlock.
At this point, user can push the cart.
User it is outgoing on the way due to the walking time is too long or look after children too it is tired need bait when, needle of the present invention
Unattended mode is provided when deficient in energy to user's nurse.Mobile terminal and the processor 4 are established connection in advance by user,
The mobile terminal can be smart phone, smartwatch and laptop, and user is according to local environment in mobile terminal
The route is simultaneously sent to the processor 4 by the subsequent track route of upper editor, and the processor 4 again leads the route
Entering the navigation device 7, the route of importing is compared the navigation device 7 obtains final navigation routine, meanwhile, it is described
Processor 4 exports walk signal to the driving device 5, and the driving device 5 drives the cart according to the navigation routine
Walking avoids the cart from advancing along wrong way, causes danger to children.
When opening unattended mode, the camera 10 absorbs the picture of ambient enviroment and sends it to processor 4,
The processor 4 judges whether there is pedestrian according to the picture received or non-motor vehicle is close, presets in the processor 4
One safe range, when the processor 4 judgement has mobile object to enter in the safe range then to the driving device 5
Locking signal is exported, the driving device 5 drives the locking device 14 to lock wheel；When the mobile object leaves the peace
Unlocking signal then is exported to the driving device 5 when gamut, the driving device 5 drives the locking device 14 to solve car locking
Wheel, the cart continue to travel according to original navigation routine.
Embodiment two
As shown in Fig. 2, a kind of working method for automating children trolley, including following work step:
A) first pressure sensor 12 and the second pressure sensor 13 will test value and send the processing to
Device 4；B) processor 4 judges whether two detected values received are all not zero, and fills if being all not zero to the driving
5 output unlocking signals are set, the driving device 5 drives the locking device 14 to unlock；The locking if thering is a value to be zero
Device 14 continues to lock wheel.
C) decibel instrument 6 measures the noise of ambient enviroment and sends the noise figure of measurement to the processor 4；
D) processor 4 judges whether ambient enviroment impacts children according to the numerical value received, if to children
It impacts the then driving device 5 and exports closure signal, the driving device 5 drives the electric safety cover 9 to be closed, if right
Children do not impact, and maintain the operating status of the cart；
E) it when user opens unattended mode by mobile terminal, using mobile terminal editor's cart route and is sent to
The cart route is imported the navigation device 7 by the processor 4, the processor 4, and the processor 4 is to the driving
Device 5 exports walk signal, and the driving device 5 drives the cart to walk according to navigation routine；
F) camera 10 absorbs the environment around the pusher gear and is transferred to the processor 4, described
Processor 4 judges whether there is pedestrian or non-motor vehicle is close, exports locking signal to the driving device 5 if having, described
Driving device 5 drives the locking device 14 to lock wheel；
G) user is by that can close the unattended mode after fingerprint recognition success.
Step d further include:
A safe decibel value is preset, when the numerical value that the processor 4 receives is greater than the safe decibel value, the place
Reason device 4 judges that external environment impacts children.
Before step e further include:
After the electric safety cover 9 is closed, the processor 4 controls the player 17 and opens, and the player 17 is opened
Beginning playing animation piece or child music.
The automatic protecting cover internal layer covers one layer of acoustical cotton 16, for reducing ambient noise shadow caused by children in vehicles
It rings.Player 17 is provided in the car body 1, the player 17 is connect with processor 4, for providing entertainment item to children
Mesh.
Specifically, according to data, the noise more than 70 decibels can damage the auditory system of baby；80 decibels
Sound can make children feel noisy to feel bad, if noise is usually up to 80 decibels, children can generate headache, giddy, tinnitus, mood
The symptoms such as anxiety, failure of memory.The cart is provided with decibel instrument 6, and the decibel instrument 6 is used to measure the noise of ambient enviroment
And processor 4 is sent it to, a safe decibel value is preset in processor 4, the safe decibel value is 70 decibels, described
The noise figure received is compared by processor 4 with safe decibel value, when the noise figure received is greater than the safety
When decibel value, the processor 4 exports closure signal to the driving device 5, and the driving device 5 drives the electric safety
9 closure of cover, prevents outside noise from damaging to children, 9 internal layer of electric safety cover covers one layer of acoustical cotton 16, Ke Yijin
One step reduces outside noise and injures caused by children.
The cart further includes player 17, and user can store video and music etc. in the player 17 in advance
File.After the electric safety cover 9 closure, the processor 4 controls the player 17 and opens, and the player 17 starts
Play the files such as pre-stored video and music.
Embodiment three
As shown in figure 3, the car body 1 further includes alarm device 15, the alarm device 15 is connect with the processor 4,
For sounding the alarm after fingerprint recognition mistake.
If thering is a suspect to contact first handrail 2 and the second handrail 3, the fingerprint in unattended mode
Identification device 11 reports an error and sends error signal to the processor 4, and the processor 4 exports alarm to the alarm device 15
Signal, the alarm device 15 sound the alarm, meanwhile, the processor 4 sends a warning to user mobile phone.Specifically,
If user wants to terminate unattended mode, fingerprint recognition only need to be carried out again, can be closed after identifying successfully unattended
Mode.During cart automatic running, the cart is pushed by stranger in order to prevent, the present invention be further equipped with alarm device with
And storage device 8, user can reserve the information such as phone number in storage device 8.When there is stranger's cart, fingerprint recognition
Device 11 reports an error and sends error signal to the processor 4, and the processor 4 exports alarm signal to the alarm device 15
Number, the alarm device 15 sounds the alarm；The processor 4 sends a warning to user mobile phone；The processor 4 controls
The camera 10 is taken a picture to the stranger and is stored it in the storage device 8, provides information to arrest suspect.
The above embodiments merely illustrate the technical concept and features of the present invention, and the purpose is to allow the skill for being familiar with the technical field
Art personnel can understand the content of the present invention and implement it accordingly, and can not be limited the scope of the invention with this.All bases
Equivalent changes or modifications made by spirit of the invention, should be covered by the protection scope of the present invention.
Claims (6)
1. a kind of working method for automating children trolley, including car body (1), the first handrail (2) and the second handrail (3),
Be characterized in that, the car body (1) be internally provided with processor (4), driving device (5), decibel instrument (6), navigation device (7) and
Storage device (8), the decibel instrument (6) are used to measure the noise of ambient enviroment, and the storage device (8) is for storing user's letter
Breath, the driving device (5), the decibel instrument (6), the navigation device (7) and the storage device (8) and the processing
Device (4) connection, the processor (4) connect with mobile terminal, car body (1) top be provided with electric safety cover (9) and
Camera (10), the electric safety cover (9) connect with the driving device (5), for protecting children in vehicles, the camera
(10) it is connect with the processor (4), for absorbing ambient enviroment, is provided with fingerprint identification device on first handrail (2)
(11), the fingerprint identification device (11) connect with the processor (4), for identification cart personnel identity, and described first helps
First pressure sensor (12) and second pressure sensor (13) are respectively arranged on hand (2) and second handrail (3),
The first pressure sensor (12) connect with the second pressure sensor (13) with the processor (4), is for detecting
No someone's cart, the car body (1) further include locking device (14), and the locking device (14) and the driving device (5) are even
It connects, for locking wheel in unattended pusher gear, the electric safety cover internal layer covers one layer of acoustical cotton (16), is used for
Reduce ambient noise influences caused by children in vehicles；
Wherein, the working method of the children trolley includes following work step:
A) first pressure sensor (12) and the second pressure sensor (13) will test value and send the processing to
Device (4)；
B) whether two detected values that processor (4) judgement receives all are not zero, to the driving if being all not zero
Device (5) exports unlocking signal, and the driving device (5) drives locking device (14) unlock；If thering is a value to be zero
The locking device (14) continues to lock wheel；
C) decibel instrument (6) measures the noise of ambient enviroment and sends the noise figure of measurement to the processor (4)；
D) processor (4) judges whether ambient enviroment impacts children according to the numerical value received, if making to children
Closure signal is exported at the then driving device (5) is influenced, the driving device (5) drives electric safety cover (9) closure,
The operating status of the cart is maintained if not impacting to children；
E) it when user opens unattended mode by mobile terminal, using mobile terminal editor's cart route and is sent to described
The cart route is imported the navigation device (7), processor (4) Xiang Suoshu by processor (4), the processor (4)
Driving device (5) exports walk signal, and the driving device (5) drives the cart to walk according to navigation routine；
F) camera (10) is absorbed the environment around the pusher gear and is transferred to the processor (4), described
Processor (4) judges whether there is pedestrian or non-motor vehicle is close, exports locking signal to the driving device (5) if having,
The driving device (5) drives the locking device (14) to lock wheel；
G) user is by that can close the unattended mode after fingerprint recognition success.
2. a kind of working method for automating children trolley according to claim 1, it is characterised in that: the car body (1)
It further include alarm device (15), the alarm device (15) connect with the processor (4), for sending out after fingerprint recognition mistake
Alarm song out.
3. a kind of working method for automating children trolley according to claim 1, it is characterised in that: the car body (1)
It is inside provided with player (17), the player (17) connect with processor (4), for providing entertainment selection to children.
4. a kind of working method for automating children trolley according to claim 1, it is characterised in that: step d further include:
A safe decibel value is preset, when the numerical value that the processor (4) receives is greater than the safe decibel value, the processing
Device (4) judges that external environment impacts children.
5. a kind of working method for automating children trolley according to claim 3, it is characterised in that: before step e also
Include:
After electric safety cover (9) closure, the processor (4) controls the player (17) and opens, the player
(17) start playing animation piece or child music.
6. a kind of working method for automating children trolley according to claim 2, it is characterised in that: step f further include:
If thering is a suspect to contact first handrail (2) and the second handrail (3), the fingerprint in unattended mode
Identification device (11) reports an error and sends error signal and gives the processor (4), processor (4) the Xiang Suoshu alarm device (15)
Alarm signal is exported, the alarm device (15) sounds the alarm, meanwhile, the processor (4) sounds an alarm to user mobile phone
Information.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710506594.7A CN107215381B (en) | 2017-06-28 | 2017-06-28 | A kind of automation children trolley and its working method |
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| CN201710506594.7A CN107215381B (en) | 2017-06-28 | 2017-06-28 | A kind of automation children trolley and its working method |
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| CN107215381B true CN107215381B (en) | 2019-05-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109910978A (en) * | 2017-12-12 | 2019-06-21 | 宁波市宸琰电器有限公司 | A kind of child's portable transportation device of automatic starting safety protection function |
| CN109910984A (en) * | 2017-12-12 | 2019-06-21 | 宁波市宸琰电器有限公司 | A kind of convenient transport device of child with safety device |
| CN109910995A (en) * | 2017-12-12 | 2019-06-21 | 宁波市宸琰电器有限公司 | A kind of convenient transport device of children with installation safeguard structure |
| CN108536184A (en) * | 2018-04-10 | 2018-09-14 | 深圳市开心橙子科技有限公司 | A kind of cart and control method by pressure sensitive control |
| CN110371174A (en) * | 2019-04-04 | 2019-10-25 | 泰州市康平医疗科技有限公司 | Multi-purpose wheelbarrow control system |
| CN110632929B (en) * | 2019-09-27 | 2022-10-14 | 珠海一微半导体股份有限公司 | Danger avoiding method in automatic child walking process |
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| US20130277141A1 (en) * | 2012-04-24 | 2013-10-24 | Sam Blankenship | Apparatus for quieting infant in a public area |
| US9656682B2 (en) * | 2014-10-10 | 2017-05-23 | Eli Ahlemeier | Motorized stroller system and apparatus |
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| CN205273563U (en) * | 2015-11-09 | 2016-06-01 | 吴宇平 | Novel folded cascade perambulator |
| CN105480289A (en) * | 2015-12-11 | 2016-04-13 | 无锡利凯儿童用品有限公司 | Stroller automatic brake device with relatively high safety performance |
| CN205652185U (en) * | 2016-05-18 | 2016-10-19 | 宁波金博婴童用品有限公司 | Novel intelligent perambulator of safety |
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Denomination of invention: An automated children's stroller and its working method Effective date of registration: 20231008 Granted publication date: 20190521 Pledgee: Bank of China Limited Ruichang sub branch Pledgor: JIUJIANG HOUHUA TECHNOLOGY CO.,LTD. Registration number: Y2023980060375 |
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