CN111887667A - Baby cradle safety monitoring device - Google Patents
Baby cradle safety monitoring device Download PDFInfo
- Publication number
- CN111887667A CN111887667A CN202011000370.7A CN202011000370A CN111887667A CN 111887667 A CN111887667 A CN 111887667A CN 202011000370 A CN202011000370 A CN 202011000370A CN 111887667 A CN111887667 A CN 111887667A
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- China
- Prior art keywords
- groove
- cradle
- shaft
- transmission
- fixedly connected
- 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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- 238000012806 monitoring device Methods 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims description 62
- 238000012544 monitoring process Methods 0.000 claims description 6
- 230000009194 climbing Effects 0.000 claims description 4
- 230000036651 mood Effects 0.000 description 4
- 206010011469 Crying Diseases 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000014478 crying behavior Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 206010039740 Screaming Diseases 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 208000002173 dizziness Diseases 0.000 description 1
- 239000008267 milk Substances 0.000 description 1
- 210000004080 milk Anatomy 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D9/00—Cradles ; Bassinets
- A47D9/02—Cradles ; Bassinets with rocking mechanisms
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D15/00—Accessories for children's furniture, e.g. safety belts or baby-bottle holders
-
- 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
- G08B21/18—Status alarms
- G08B21/24—Reminder alarms, e.g. anti-loss alarms
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pediatric Medicine (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention discloses a safety monitoring device for a baby cradle, wherein a cavity with a forward opening is formed in a cradle machine body, connecting grooves are symmetrically communicated on the left side and the right side of the cavity, a swinging device is arranged in each connecting groove, each swinging device comprises a belt wheel groove formed towards the end surface far away from the center of the cavity, a rotating shaft is rotatably matched with a wall body between each belt wheel groove and each connecting groove, each rotating shaft is positioned in each connecting groove and fixedly connected with a rotating wheel, connecting shafts are symmetrically and fixedly connected with the wall bodies on the left side and the right side of the cavity, each connecting shaft is positioned in the cavity and rotatably connected with a swinging block, and a limiting groove in sliding connection with a limiting pin is.
Description
Technical Field
The invention relates to the field of monitoring, in particular to a baby cradle safety monitoring device.
Background
The invention relates to a baby cradle, which is a bedding for babies, wherein the existing bedding for babies needs parents to manually shake, the shaking is unstable due to the manual shaking, the phenomenon of dizziness and milk spitting easily occurs for a long time, and meanwhile, when the babies stand up, the baby easily climbs the cradle due to the natural movement, so that accidents are caused.
Disclosure of Invention
Aiming at the technical defects, the invention provides a baby cradle safety monitoring device which can overcome the defects.
A baby cradle safety monitoring device comprises a cradle body, wherein a cavity with a forward opening is formed in the cradle body, the left side and the right side of the cavity are symmetrically communicated with connecting grooves, a swinging device is arranged in the connecting grooves and comprises a belt wheel groove which is formed towards the end surface far away from the center of the cavity, a rotating shaft is matched with a wall body between the belt wheel groove and the connecting grooves in a rotating way, the rotating shaft is positioned in the connecting grooves and fixedly connected with rotating wheels, the left side and the right side of the cavity are symmetrically and fixedly connected with connecting shafts, the connecting shafts are positioned in the cavity and rotatably connected with swinging blocks, the swinging blocks are internally provided with limiting grooves which are in sliding connection with the limiting pins, connecting blocks are fixedly connected with the lower sides of the swinging blocks, a cradle is fixedly connected between the left connecting blocks and the right connecting blocks, a cradle, when the monitoring equipment detects that the baby has crying behavior, the rotating shaft rotates to enable the cradle to swing back and forth around the connecting shaft, a safety device is arranged in the cradle and comprises a bevel gear meshing groove arranged in the cradle, the left wall of the bevel gear meshing groove is connected with a fixed shaft, a belt groove is formed in the left side of the cavity, a communicating groove is communicated between the belt groove and the cavity, the fixed shaft extends to the inside of the belt groove leftwards through the communicating groove and is fixedly connected with a swing gear, a fence groove positioned around the cradle groove is formed in the upper side of the bevel gear meshing groove, a transmission shaft is rotatably matched with a wall body between the bevel gear meshing groove and the fence groove, the transmission shaft and the fixed shaft are positioned in the bevel gear meshing groove and are connected through a bevel gear pair, and the transmission shaft is positioned in the fence groove and is internally threaded with a fence block, when the monitoring equipment detects that the baby has a standing behavior, the fixed shaft can drive the transmission shaft to rotate so that the cradle rises out of the fence groove and blocks the cradle groove, and therefore the baby is prevented from climbing out of the cradle groove and falling out.
Preferably, the shaking device further comprises a transmission groove arranged on the left side of the pulley groove, a central shaft is rotatably matched with a wall body between the transmission groove and the pulley groove on the right side, the central shaft is fixedly connected with a threaded electric block in the transmission groove, the central shaft and the rotating shaft are arranged in the pulley groove and connected through a pulley, a motor shaft positioned on the lower side of the central shaft is rotatably matched with the left wall of the transmission groove, the motor shaft extends leftwards to the left end of the transmission groove and is in power connection with a power connection embedded in the body wall of the cradle, the motor shaft is fixedly connected with a fixed plate in the transmission groove, the motor shaft is fixedly connected with a spline gear positioned on the right side of the fixed plate in the transmission groove, and the spline gear positioned in the transmission groove is in spline connection with a spline gear capable of being meshed with the threaded electric block, the spline gear left side fixed mounting has the permanent magnet, fixed plate right side fixed mounting has extension spring, extension spring with be connected with driving pulley between the permanent magnet.
Preferably, the safety device further comprises a matching groove arranged between the left belt wheel groove and the transmission groove, a rotating shaft positioned on the lower side of the motor shaft is arranged on the wall body between the transmission groove and the matching groove in a rotating matching mode, the rotating shaft is positioned in the transmission groove and fixedly connected with a transmission half gear capable of being meshed with the spline gear, a connecting torsion spring is connected between the rotating shaft and the left wall of the transmission groove, the rotating shaft is positioned in the matching groove and internally connected with a threaded screw rod in sliding connection with the bottom wall of the matching groove, a pawl capable of being matched with the ratchet wheel pawl is fixedly connected on the upper side of the threaded screw rod, a driving belt wheel is fixedly connected in the transmission groove, a driven shaft is rotatably matched with the left wall between the transmission groove and the fixed shaft in the belt groove, and the driven shaft is positioned in the belt groove and fixedly connected with a driven belt wheel, the cradle comprises a cradle body and is characterized in that a driven belt wheel, a swinging gear and a driving belt wheel are arranged on the cradle body, a stretching belt is connected between the driven belt wheel and the swinging gear, an extension groove is formed in the left side of the belt groove, the driven shaft is located in the extension groove, a threaded electric block is connected with the extension groove in a threaded mode, an alarm device is fixedly mounted on the left side of the cradle body, and a power-on groove communicated with the extension groove.
The invention has the beneficial effects that: combine monitoring device, when the baby's mood of crying appears, the swing piece automatically drives the cradle back-and-forth movement to pacify baby's modest, when the baby stands up, the ratchet cooperates with the pawl, make the cradle can't swing again, thereby steady cradle, the rail piece rises out the rail groove simultaneously, make the baby can't climb a department cradle and fall down and cause the accident, the alarm takes place to report to the police simultaneously and reminds the head of a family to watch the baby, simultaneously in daily life, also can monitor baby's daily state through monitoring device.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view showing the overall construction of a safety monitoring apparatus for infant cradles;
FIG. 2 is an enlarged view of a portion of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure in the direction B-B in FIG. 1;
fig. 4 is a schematic view of the structure in the direction C-C in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
A baby cradle safety monitoring device comprises a cradle body 17, a cavity 16 with a forward opening is formed in the cradle body 17, connecting grooves 29 are symmetrically communicated with the left side and the right side of the cavity 16, a swinging device is arranged in the connecting grooves 29 and comprises belt wheel grooves 28 which are formed towards the central end face of the cavity 16, rotating shafts 25 are matched with wall bodies between the belt wheel grooves 28 and the connecting grooves 29 in a rotating mode, the rotating shafts 25 are located in the connecting grooves 29 and fixedly connected with rotating wheels 30, connecting shafts 23 are symmetrically and fixedly connected with the wall bodies on the left side and the right side of the cavity 16, the connecting shafts 23 are located in the cavity 16 and rotatably connected with swinging blocks 24, limiting grooves 26 which are connected with limiting pins 31 in a sliding mode are formed in the swinging blocks 24, connecting blocks 21 are fixedly connected with the lower side of the swinging blocks 24, and a cradle 15 is fixedly connected between, a cradle groove 20 is formed in the cradle 15, a monitoring device 11 is installed on the left wall of the cradle groove 20, when the monitoring device 11 detects that the baby has crying behavior, the rotating shaft 25 rotates to enable the cradle 15 to swing back and forth around the connecting shaft 23, a safety device is arranged in the cradle 15, the safety device comprises a bevel gear meshing groove 14 formed in the cradle 15, the left wall of the bevel gear meshing groove 14 is connected with a fixed shaft 12, a belt groove 54 is formed in the left side of the cavity 16, a communicating groove 10 is communicated between the belt groove 54 and the cavity 16, the fixed shaft 12 extends leftwards through the communicating groove 10 to a swinging gear 55 fixedly connected in the belt groove 54, a fence groove 18 positioned around the cradle groove 20 is formed in the upper side of the bevel gear meshing groove 14, and a transmission shaft 13 is rotatably matched between the bevel gear meshing groove 14 and the fence groove 18, the transmission shaft 13 and the fixed shaft 12 are located in the bevel gear meshing groove 14 and are connected through a bevel gear pair, the transmission shaft 13 is located in the fence groove 18 and is connected with a fence block 19 through a thread, and when the monitoring device 11 detects that the baby stands straight, the fixed shaft 12 can drive the transmission shaft 13 to rotate, so that the cradle 15 rises out of the fence groove 18 and blocks the cradle groove 20, and therefore the baby is prevented from climbing out of the cradle groove 20 and falling out.
Advantageously, the rocking device further comprises a transmission groove 46 arranged at the left side of the pulley groove 28, a central shaft 32 is rotatably fitted on a wall body between the transmission groove 46 and the pulley groove 28 at the right side, a threaded electric block 48 is fixedly connected in the transmission groove 46 on the central shaft 32, the central shaft 32 and the rotating shaft 25 are positioned in the pulley groove 28 and connected through a pulley, a motor shaft 43 is rotatably fitted at the lower side of the central shaft 32 on the left wall of the transmission groove 46, the motor shaft 43 extends leftwards to the left end of the transmission groove 46 and is in power connection with a power connection 44 embedded in the wall body of the cradle body 17, the motor shaft 43 is fixedly connected in the transmission groove 46 and is provided with a fixed plate 42, the motor shaft 43 is fixedly connected in the transmission groove 46 and is provided with a spline gear 39 arranged at the right side of the fixed plate 42, and the motor shaft 43 is in the transmission groove 46 and is in spline connection with a spline gear 39 capable of being, the left side of the spline gear 39 is fixedly provided with a permanent magnet 34, the right side of the fixing plate 42 is fixedly provided with an extension spring 45, a driving belt wheel 47 is connected between the extension spring 45 and the permanent magnet 34, and when the monitoring equipment 11 detects that the baby cries and screaming, the spline gear 39 is meshed with a threaded electric block 48 to enable the cradle 15 to swing back and forth, so that the mood of the baby is pacified.
Advantageously, the safety device further comprises a matching groove 36 opened between the left pulley groove 28 and the transmission groove 46, a rotating shaft 37 positioned at the lower side of the motor shaft 43 is rotatably matched on a wall body between the transmission groove 46 and the matching groove 36, a transmission half gear 40 capable of being meshed with the spline gear 39 is fixedly connected in the transmission groove 46 by the rotating shaft 37, a connecting torsion spring 41 is connected between the rotating shaft 37 and the left wall of the transmission groove 46, a threaded screw 38 slidably connected with the bottom wall of the matching groove 36 is screwed in the matching groove 36 by the rotating shaft 37, a pawl 35 capable of being in ratchet pawl matching with the ratchet wheel 33 is fixedly connected at the upper side of the threaded screw 38, a driving pulley 47 is fixedly connected in the belt groove 54, a driven shaft 52 is rotatably matched on the left wall between the transmission groove 46 and the fixed shaft 12 in the belt groove 54, driven shaft 52 is located fixedly connected with driven pulley 56 in belt groove 54, driven pulley 56 with swing gear 55 with be connected with tensile belt 53 between the driving pulley 47, extension groove 51 has been seted up on belt groove 54 left side, driven shaft 52 is located extension groove 51 threaded connection has screw electricity piece 48, cradle organism 17 left side fixed mounting has alarm device 49, set up in alarm device 49 with circular telegram groove 50 of extension groove 51 intercommunication, work as screw electricity piece 48 gets into when in circular telegram groove 50, alarm device 49 will take place to report to the police, reminds the head of a family to take care of the baby.
The use steps herein are described in detail below with reference to fig. 1-4: in the initial state, the driving pulley 47 is in a relaxed state, the connecting torsion spring 41 is in a relaxed state, the spline gear 39 is meshed with the threaded electric block 48, the spline gear 39 is not meshed with the transmission half gear 40, and the pawl 35 is not matched with the ratchet wheel 33.
When the monitoring device 11 finds the baby crying, the power connection 44 is started to rotate the motor shaft 43, so that the spline gear 39 drives the threaded electric block 48 to rotate, the central shaft 32 rotates, the left and right rotating shafts 25 rotate, the rotating shafts 25 rotate to drive the rotating wheels 30 to rotate, the limiting pins 31 rotate in the limiting grooves 26, the swinging block 24 drives the cradle 15 to swing back and forth in the cavity 16 around the connecting shaft 23, and the baby mood is pacified.
When the monitoring device 11 finds that the baby holds the cradle body 17 and stands upright, the power connection 44 rotates, the extension spring 45 is electrified to attract the permanent magnet 34, so that the spline gear 39 is meshed with the transmission half gear 40, the motor shaft 43 rotates to drive the rotating shaft 37 to rotate, under the matching of the connecting torsion spring 41, the spline gear 39 is always meshed with the last tooth of the transmission half gear 40, the rotating shaft 37 stops after rotating for half a circle, so that the threaded screw rod 38 moves rightwards, the cradle 15 cannot swing by internal external force after the pawl 35 is matched with the ratchet wheel 33, the transmission groove 46 drives the driven shaft 52 to rotate with the fixed shaft 12, the fixed shaft 12 rotates to drive the transmission shaft 13 to rotate, so that the fence block 19 moves upwards in the fence groove 18, the fence groove 18 moves upwards out of the fence groove 18 to block the cradle groove 20, the danger that the baby falls off due to climbing and the like is prevented, and the driven shaft 52, the threaded electric block 48 is enabled to rotate to enter the electrifying groove 50, the alarm device 49 gives an alarm to remind parents to watch the baby, when the device needs to be reset, the power connection 44 is stopped to be started, the extension spring 45 is powered off, the spline gear 39 is disengaged from the transmission half gear 40, and the rotating shaft 37 is reset under the action of the connection torsion spring 41.
The parent may also view the child's daily condition within the cavity 16 through the monitoring device 11.
The invention has the beneficial effects that: combine monitoring device, when the baby's mood of crying appears, the swing piece automatically drives the cradle back-and-forth movement to pacify baby's modest, when the baby stands up, the ratchet cooperates with the pawl, make the cradle can't swing again, thereby steady cradle, the rail piece rises out the rail groove simultaneously, make the baby can't climb a department cradle and fall down and cause the accident, the alarm takes place to report to the police simultaneously and reminds the head of a family to watch the baby, simultaneously in daily life, also can monitor baby's daily state through monitoring device.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (3)
1. The utility model provides a baby's cradle safety monitoring device, includes the cradle organism, its characterized in that: the cradle machine body is internally provided with a cavity with a forward opening, the left side and the right side of the cavity are symmetrically communicated with connecting grooves, a swinging device is arranged in the connecting grooves and comprises a belt wheel groove which is arranged towards the end surface far away from the center of the cavity, a rotating shaft is matched with the wall body between the belt wheel groove and the connecting grooves in a rotating way and is fixedly connected with a rotating wheel in the connecting grooves, the wall bodies on the left side and the right side of the cavity are symmetrically and fixedly connected with connecting shafts, the connecting shafts are positioned in the cavity and are rotationally connected with swinging blocks, the swinging blocks are internally provided with limiting grooves which are in sliding connection with the limiting pins, the lower sides of the swinging blocks are fixedly connected with connecting blocks, a cradle is fixedly connected between the left connecting blocks and the right connecting blocks, a cradle groove is arranged in the cradle, the left wall of, the rotating shaft rotates to enable the cradle to swing back and forth around the connecting shaft, a safety device is arranged in the cradle and comprises a bevel gear meshing groove arranged in the cradle, the left wall of the bevel gear meshing groove is connected with a fixed shaft, the left side of the cavity is provided with a belt groove, a communicating groove is communicated between the belt groove and the cavity, the fixed shaft extends leftwards through the communicating groove to be fixedly connected with a swinging gear in the belt groove, the upper side of the bevel gear meshing groove is provided with a fence groove positioned around the cradle groove, a transmission shaft is rotationally matched with the wall body between the bevel gear meshing groove and the fence groove, the transmission shaft and the fixed shaft are positioned in the bevel gear meshing groove and are connected through a bevel gear pair, the transmission shaft is positioned in the fence groove and is internally threaded with a fence block, and when the monitoring equipment detects that a baby stands straight, the fixed shaft can drive the transmission shaft to rotate, so that the cradle rises out of the fence groove and blocks the cradle groove, and therefore the baby is prevented from climbing out of the cradle groove and falling out.
2. The safety monitoring device for infant cradles according to claim 1, wherein: the rocking device further comprises a transmission groove arranged on the left side of the belt wheel groove, a central shaft is rotatably matched with a wall body between the transmission groove and the belt wheel groove on the right side, the central shaft is positioned in the transmission groove and fixedly connected with a threaded electric block, the central shaft and the rotating shaft are positioned in the belt wheel groove and connected through a belt wheel, a motor shaft positioned on the lower side of the central shaft is rotatably matched with the left wall of the transmission groove, the motor shaft extends leftwards to the left end of the transmission groove and is connected with a power connection embedded in the wall body of the cradle machine body, the motor shaft is positioned in the transmission groove and fixedly connected with a fixed plate, the motor shaft is positioned in the transmission groove and is fixedly connected with a spline gear positioned on the right side of the fixed plate, the motor shaft is positioned in the transmission groove and is splined with a spline gear capable of being engaged with, an extension spring is fixedly mounted on the right side of the fixing plate, and a driving belt wheel is connected between the extension spring and the permanent magnet.
3. The safety monitoring device for infant cradles according to claim 1, wherein: the safety device further comprises a matching groove arranged between the left belt wheel groove and the transmission groove, a rotating shaft positioned on the lower side of the motor shaft is arranged on a wall body between the transmission groove and the matching groove in a rotating matching mode, the rotating shaft is positioned in the transmission groove and fixedly connected with a transmission half gear capable of being meshed with the spline gear, a connecting torsion spring is connected between the rotating shaft and the left wall of the transmission groove, the rotating shaft is positioned in the matching groove and is connected with a threaded screw rod in sliding connection with the bottom wall of the matching groove in a threaded manner, a pawl capable of being matched with the ratchet pawl is fixedly connected to the upper side of the threaded screw rod, the transmission groove is positioned in the belt groove and is fixedly connected with a driving belt wheel, a driven shaft is arranged on the left wall between the transmission groove and the fixed shaft in the belt groove in a rotating matching mode and is fixedly connected with a driven, the cradle comprises a cradle body and is characterized in that a driven belt wheel, a swinging gear and a driving belt wheel are arranged on the cradle body, a stretching belt is connected between the driven belt wheel and the swinging gear, an extension groove is formed in the left side of the belt groove, the driven shaft is located in the extension groove, a threaded electric block is connected with the extension groove in a threaded mode, an alarm device is fixedly mounted on the left side of the cradle body, and a power-on groove communicated with the extension groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000370.7A CN111887667A (en) | 2020-09-22 | 2020-09-22 | Baby cradle safety monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011000370.7A CN111887667A (en) | 2020-09-22 | 2020-09-22 | Baby cradle safety monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111887667A true CN111887667A (en) | 2020-11-06 |
Family
ID=73224143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011000370.7A Withdrawn CN111887667A (en) | 2020-09-22 | 2020-09-22 | Baby cradle safety monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111887667A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112498458A (en) * | 2021-01-07 | 2021-03-16 | 南京善甫工贸易有限公司 | Safe baby carriage with flight function |
| CN112550171A (en) * | 2020-12-08 | 2021-03-26 | 南京信息职业技术学院 | Safety monitoring device for new energy automobile |
-
2020
- 2020-09-22 CN CN202011000370.7A patent/CN111887667A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112550171A (en) * | 2020-12-08 | 2021-03-26 | 南京信息职业技术学院 | Safety monitoring device for new energy automobile |
| CN112498458A (en) * | 2021-01-07 | 2021-03-16 | 南京善甫工贸易有限公司 | Safe baby carriage with flight function |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201106 |