CN110775129A - Intelligent shopping cart and intelligent shopping cart management system - Google Patents
Intelligent shopping cart and intelligent shopping cart management system Download PDFInfo
- Publication number
- CN110775129A CN110775129A CN201910976067.1A CN201910976067A CN110775129A CN 110775129 A CN110775129 A CN 110775129A CN 201910976067 A CN201910976067 A CN 201910976067A CN 110775129 A CN110775129 A CN 110775129A
- Authority
- CN
- China
- Prior art keywords
- shopping cart
- intelligent shopping
- intelligent
- management system
- side edge
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B3/00—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor
- B62B3/14—Hand carts having more than one axis carrying transport wheels; Steering devices therefor; Equipment therefor characterised by provisions for nesting or stacking, e.g. shopping trolleys
- B62B3/1404—Means for facilitating stowing or transporting of the trolleys; Antitheft arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62B—HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS; SLEDGES
- B62B5/00—Accessories or details specially adapted for hand carts
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Handcart (AREA)
Abstract
The invention discloses an intelligent shopping cart and an intelligent shopping cart management system, which comprise a shopping cart body, wherein a shopping cart mechanical lock is connected on the shopping cart body, an electric control box is fixed on one side edge below the shopping cart body, two side edges of the bottom of the shopping cart body are both connected with a barrier mechanism, the shopping cart body comprises a side support, a handle bar, a bottom support, a basket, a chassis frame and universal wheels, the upper end of the side support is welded with two ends of the handle bar, one end of the side support, far away from the handle bar, is fixedly welded on one side edge of the bottom support, the basket is fixed on an upper side panel of the bottom support, the chassis frame is fixedly connected on one side edge of the lower side panel of the bottom support corresponding to the side support, the universal wheels are fixedly connected at four corners of the chassis frame, and the intelligent anti-theft system designed by the invention ensures that a manager does not need to set obstacles at an entrance and an exit, the efficiency that customer is current and the security of this shopping cart have been improved greatly, are novel and practical intelligent shopping cart and intelligent shopping cart management system.
Description
The technical field is as follows:
the invention belongs to the technical field of shopping carts, and particularly relates to an intelligent shopping cart and an intelligent shopping cart management system.
Background art:
in the prior art, most of the safety management of shopping carts depends on arranging barrier piles at entrances and exits of shopping malls to limit the shopping carts in a fixed area, the mode has great hidden dangers, for example, the barrier piles are damaged, the shopping carts can be stolen by lifting the shopping carts to cross the barrier piles, and the like, the mode is very simple, the existing intelligent shopping carts can only give an alarm to the system, the implementation of theft cannot be hindered in time, and great inconvenience exists, so the intelligent shopping cart and the intelligent shopping cart management system are provided to solve the problems.
The invention content is as follows:
the invention aims to provide an intelligent shopping cart and an intelligent shopping cart management system for solving the problems, and the shortcoming that the existing shopping cart is lack of anti-theft means is overcome.
In order to solve the above problems, the present invention provides a technical solution:
intelligent shopping cart and intelligent shopping cart management system, including the shopping cart body, be connected with shopping cart mechanical lock on the shopping cart body, be fixed with automatically controlled box on a side of the below of shopping cart body, all be connected with the mechanism of hindering capable on the bottom both sides of shopping cart body, the shopping cart body includes side support, handle bar, bottom frame, basket, chassis frame and universal wheel, side support upper end and the both ends welding of handle bar, the fixed welding of one end of handle bar is kept away from to the side support is on a side of bottom frame, be fixed with the basket on the upside panel of bottom frame, fixedly connected with chassis frame on the bottom frame downside panel side that the side support corresponds, the all fixedly connected with universal wheels of four corners of chassis frame.
As preferred, automatically controlled box includes box body, pillar, insulating support plate, electric control switch, GPS location chip, PLC control panel, battery, screw and closing cap, a plurality of pillars of the interior honor country of box body are connected with insulating support plate, be fixed with electric control switch, GPS location chip, PLC control panel and battery on the insulating support plate, the port department of box body has the closing cap through a plurality of screwed connection.
As preferred, hinder capable mechanism and include casing, No. two screws, apron, electro-magnet, limiting plate, connecting strip, appearance groove, magnet, outside support plate, connecting bolt and abrasive rubber skin, there is the apron through No. two screw connections on the inside lateral wall that the port was kept away from to the casing, the centre gripping has a plurality of electro-magnets between casing and the apron, the inside of casing is equipped with the limiting plate, the limiting plate is close to fixedly connected with connecting strip on the panel of one side of casing port, be equipped with a plurality of and limiting plate vertically appearance groove in the connecting strip, it inserts and is equipped with magnet to hold the inslot one-to-one, a side that the limiting plate was kept away from to the connecting strip is connected with the outside support plate that sets up outside the casing, outside support plate is connected with.
Preferably, the signal incoming end of the PLC control panel is electrically connected with the signal output end of the GPS positioning chip, the power incoming end of the PLC control panel is electrically connected with two poles of the battery, the signal output end of the PLC control panel is electrically connected with the signal incoming end of the electric control switch, the electromagnet is electrically connected with the electric control switch, and the wireless signal of the PLC control panel is in signal connection with the external control terminal.
Preferably, the shopping cart mechanical lock is fixed to one end of the handle bar.
Preferably, the box body is welded between corresponding side edges of the bottom frame and the chassis frame.
Preferably, the shell is fixed on two opposite sides of the chassis frame, and the longitudinal direction of the shell is the same as the advancing direction of the shopping cart body.
Preferably, the sum of the heights of the shell and the connecting strip is greater than the height of the universal wheel.
The invention has the beneficial effects that:
the GPS positioning chip designed by the invention can position the shopping cart, the positioning information is transmitted to the PLC control board and then is uploaded to the control terminal, the position of the shopping cart can be monitored in the control center, the position information of the shopping cart can be determined in the individual of the invention by combining the area information sent to the PLC control board by the control terminal with the positioning information, the action which can be achieved by the electromagnet and the magnet is controlled by the electric control switch and the PLC control board, when the PLC control board turns off the electromagnet through the electric control switch, the iron core in the electromagnet is attracted by the magnet, meanwhile, the magnet can move towards the direction of the electromagnet due to the fixed position of the electromagnet, so as to drive the wear-resistant rubber leather to move upwards and leave the ground, when the PLC control board turns on the electromagnet through the electric control switch, the electromagnet is opposite to the homopolar of the magnet, and the magnet can be discharged out, therefore, the wear-resistant rubber is contacted with the ground, the repulsion force between the magnets provides strong supporting force, the universal wheels can leave the ground, when the design is matched, a user can limit the free pushing range of the intelligent shopping cart in a shopping mall range, the PLC control panel can issue an instruction for opening the electromagnet when the user leaves the limited area, the intelligent shopping cart cannot be pushed, the user can also set a buffer area at the outer edge of the shopping mall for convenient use and error judgment prevention, the user can be warned by voice in the buffer area, and the limitation of the user in the using process is avoided.
Description of the drawings:
for ease of illustration, the invention is described in detail by the following detailed description and the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic diagram of an electrical control box according to the present invention;
FIG. 3 is a schematic structural diagram of a barrier mechanism according to the present invention;
FIG. 4 is a schematic diagram of the system of the present invention;
fig. 5 is a schematic view of the structure of the connecting strip of the present invention.
In the figure: 1. a shopping cart body; 11. a side bracket; 12. a handle bar; 13. a bottom shelf; 14. a bicycle basket; 15. a chassis frame; 16. a universal wheel; 2. an electronic control box; 21. a box body; 22. a pillar; 23. an insulating carrier plate; 24. an electric control switch; 25. a GPS positioning chip; 26. a PLC control panel; 27. a storage battery; 28. a first screw; 29. sealing the cover; 3. a shopping cart mechanical lock; 4. a barrier mechanism; 41. a housing; 42. a second screw; 43. a cover plate; 44. an electromagnet; 45. a limiting plate; 46. a connecting strip; 47. a containing groove; 48. a magnet; 49. an external carrier plate; 410. a connecting bolt; 411. wear-resistant rubber.
The specific implementation mode is as follows:
as shown in fig. 1 to 5, the following technical solutions are adopted in the present embodiment: an intelligent shopping cart and an intelligent shopping cart management system comprise a shopping cart body 1, wherein a shopping cart mechanical lock 3 is connected on the shopping cart body 1, an electric control box 2 is fixed on one side edge below the shopping cart body 1, two side edges at the bottom of the shopping cart body 1 are both connected with a barrier mechanism 4, the shopping cart body 1 comprises a side bracket 11, a handle bar 12, a bottom frame 13, a basket 14, a chassis frame 15 and universal wheels 16, the upper end of the side bracket 11 is welded with the two ends of the handle rod 12, one end of the side bracket 11 far away from the handle rod 12 is fixedly welded on one side edge of the bottom frame 13, a basket 14 is fixed on the upper side panel of the bottom frame 13, a chassis frame 15 is fixedly connected to one side edge of the lower side panel of the bottom frame 13 corresponding to the side support 11, and universal wheels 16 are fixedly connected to four corners of the chassis frame 15.
Wherein, automatically controlled box 2 includes box body 21, pillar 22, insulating support plate 23, electric control switch 24, GPS location chip 25, PLC control panel 26, battery 27, a screw 28 and closing cap 29, a plurality of pillars 22 of the interior honor country of box body 21 are connected with insulating support plate 23, be fixed with electric control switch 24, GPS location chip 25, PLC control panel 26 and battery 27 on the insulating support plate 23, the port department of box body 21 is connected with closing cap 29 through a plurality of screws 28.
Wherein, the stopping mechanism 4 comprises a shell 41, a second screw 42, a cover plate 43, an electromagnet 44, a limit plate 45, a connecting strip 46, a containing groove 47, a magnet 48, an external carrier plate 49, a connecting bolt 410 and a wear-resistant rubber sheet 411, a cover plate 43 is connected to one side wall of the inner part of the shell 41 far away from the port through a second screw 42, a plurality of electromagnets 44 are clamped between the shell 41 and the cover plate 43, a limit plate 45 is arranged inside the shell 41, a connecting strip 46 is fixedly connected to one side panel of the limit plate 45 close to the port of the shell 41, a plurality of accommodating grooves 47 which are vertical to the limiting plate 45 are arranged in the connecting strip 46, magnets 48 are inserted in the accommodating grooves 47 in a one-to-one correspondence manner, an external carrier plate 49 arranged outside the housing 41 is connected to one side of the connecting strip 46 away from the limiting plate 45, the outer carrier plate 49 is connected with a wear-resistant rubber skin 411 through a plurality of connecting bolts 410.
Wherein, the signal incoming end of PLC control panel 26 is connected with the signal output part electricity of GPS location chip 25, the power incoming end of PLC control panel 26 is connected with the two poles of the earth electricity of battery 27, the signal output part of PLC control panel 26 is connected with electric control switch 24's signal incoming end electricity, electro-magnet 44 is connected with electric control switch 24 electricity, PLC control panel 26's radio signal and external control terminal signal connection.
Wherein the shopping cart mechanical lock 3 is fixed on one end of the handle bar 12 so as to lock the shopping cart.
Wherein the box body 21 is welded between the bottom frame 13 and a corresponding side of the chassis frame 15 for facilitating the placement of the shopping cart.
The shell 41 is fixed on two opposite sides of the chassis frame 15, and the longitudinal direction of the shell 41 is the same as the advancing direction of the shopping cart body 1, so that the shopping cart can be conveniently placed.
Wherein the height sum of the shell 41 and the connecting bar 46 is larger than the height sum of the universal wheels 16, so as to be convenient for lifting the shopping cart.
Specifically, the method comprises the following steps: when the intelligent shopping cart and the intelligent shopping cart management system are used, the GPS positioning chip 25 designed by the invention can position the shopping cart, the positioning information of the positioning information is transmitted to the PLC control board 26 and then is uploaded to the control terminal, so that the position of the shopping cart can be monitored in a control center, the area information transmitted to the PLC control board 26 by the control terminal is combined with the positioning information, so that the position information of the shopping cart can be determined in an individual of the intelligent shopping cart, the action which can be achieved by the electromagnet 44 and the magnet 48 designed by the invention is controlled by the electric control switch 24 and the PLC control board 26, when the electromagnet 44 is closed by the PLC control board 26 through the electric control switch 24, the iron core in the electromagnet 44 is attracted by the magnet 48, meanwhile, because the position of the electromagnet 44 is fixed, the magnet 48 moves towards the direction of the electromagnet 44, so as to drive the wear-resistant rubber leather 411 to move upwards and leave the ground, when the PLC control board, the homopolar of the electromagnet 44 and the magnet 48 are opposite, the magnet 48 can be discharged out of the shell 41 by the repulsive force, so that the wear-resistant rubber sheet 411 is contacted with the ground, the repulsive force between the magnets provides a strong supporting force, so that the universal wheel 16 can leave the ground, when the design is matched, a user can limit the free pushing range of the invention within the range of a shopping mall, the PLC control panel 25 can issue an instruction for starting the electromagnet 44 when leaving the limited area, so that the invention can not be pushed, for the convenience of use and the prevention of wrong judgment, the user can also arrange a buffer area at the outer edge of the shopping mall, the user in the buffer area can be warned by voice, and the limitation of the user in the using process is avoided, the intelligent anti-theft system designed by the invention ensures that a manager does not need to arrange barriers at the entrance and the exit of the shopping mall, thereby greatly improving, is a novel and practical intelligent shopping cart and an intelligent shopping cart management system.
While there have been shown and described what are at present considered to be the fundamental principles of the invention and its essential features and advantages, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.
Claims (8)
1. Intelligent shopping cart and intelligent shopping cart management system, its characterized in that: comprises a shopping cart body (1), a shopping cart mechanical lock (3) is connected on the shopping cart body (1), an electric control box (2) is fixed on one side edge below the shopping cart body (1), two side edges of the bottom of the shopping cart body (1) are connected with a barrier mechanism (4), the shopping cart body (1) comprises a side edge support (11), a handle bar (12), a bottom frame (13), a basket (14), a chassis frame (15) and universal wheels (16), the upper end of the side edge support (11) is welded with two ends of the handle bar (12), one end of the side edge support (11) far away from the handle bar (12) is fixedly welded on one side edge of the bottom frame (13), the basket (14) is fixed on an upper side panel of the bottom frame (13), the chassis frame (15) is fixedly connected on one side edge of the lower side panel of the bottom frame (13) corresponding to the side edge support (11), four corners of the chassis frame (15) are fixedly connected with universal wheels (16).
2. The intelligent shopping cart and intelligent shopping cart management system of claim 1, wherein: automatically controlled box (2) are including box body (21), pillar (22), insulating support plate (23), electric control switch (24), GPS location chip (25), PLC control panel (26), battery (27), a screw (28) and closing cap (29), a plurality of pillars (22) of the inside honour country of box body (21) are connected with insulating support plate (23), be fixed with electric control switch (24), GPS location chip (25), PLC control panel (26) and battery (27) on insulating support plate (23), the port department of box body (21) is connected with closing cap (29) through a plurality of screws (28).
3. The intelligent shopping cart and intelligent shopping cart management system of claim 1, wherein: hinder capable mechanism (4) and include casing (41), No. two screw (42), apron (43), electro-magnet (44), limiting plate (45), connecting strip (46), hold groove (47), magnet (48), outside support plate (49), connecting bolt (410) and wear-resisting rubber skin (411), be connected with apron (43) through No. two screw (42) on casing (41) keeps away from the inside lateral wall of port, the centre gripping has a plurality of electro-magnet (44) between casing (41) and apron (43), the inside of casing (41) is equipped with limiting plate (45), fixedly connected with connecting strip (46) on limiting plate (45) is close to the side board of casing (41) port, be equipped with in connecting strip (46) a plurality of and limiting plate (45) vertically and hold groove (47), it is equipped with magnet (48) to insert in groove (47) one-to hold, a side that limiting plate (45) were kept away from to connecting strip (46) is connected with the setting up outside casing (41) A support plate (49), the outer support plate (49) is connected with a wear-resistant rubber skin (411) through a plurality of connecting bolts (410).
4. The intelligent shopping cart and intelligent shopping cart management system of claim 1, wherein: the signal incoming end of PLC control panel (26) is connected with the signal output part electricity of GPS location chip (25), the power incoming end of PLC control panel (26) is connected with the two poles of the earth electricity of battery (27), the signal output part of PLC control panel (26) is connected with the signal incoming end electricity of automatically controlled switch (24), electro-magnet (44) are connected with automatically controlled switch (24) electricity, the radio signal and the external control terminal signal connection of PLC control panel (26).
5. The intelligent shopping cart and intelligent shopping cart management system of claim 1, wherein: the shopping cart mechanical lock (3) is fixed on one end of the handle rod (12).
6. The intelligent shopping cart and intelligent shopping cart management system of claim 2, wherein: the box body (21) is welded between the corresponding side edges of the bottom frame (13) and the chassis frame (15).
7. The intelligent shopping cart and intelligent shopping cart management system of claim 3, wherein: the shell (41) is fixed on two opposite side edges of the chassis frame (15), and the longitudinal direction of the shell (41) is the same as the advancing direction of the shopping cart body (1).
8. The intelligent shopping cart and intelligent shopping cart management system of claim 3, wherein: the height sum of the shell (41) and the connecting strip (46) is greater than that of the universal wheel (16).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910976067.1A CN110775129A (en) | 2019-10-15 | 2019-10-15 | Intelligent shopping cart and intelligent shopping cart management system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910976067.1A CN110775129A (en) | 2019-10-15 | 2019-10-15 | Intelligent shopping cart and intelligent shopping cart management system |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110775129A true CN110775129A (en) | 2020-02-11 |
Family
ID=69385504
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910976067.1A Pending CN110775129A (en) | 2019-10-15 | 2019-10-15 | Intelligent shopping cart and intelligent shopping cart management system |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110775129A (en) |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101188041A (en) * | 2007-11-29 | 2008-05-28 | 上海龙鲁自动化科技有限公司 | Electronic theft-prevention system for supermarket shopping car |
US20120049539A1 (en) * | 2009-04-20 | 2012-03-01 | Ostergotlands Fastighetsservice Samt El Och Larm I Norrkoping Ab | Cart |
CN102745223A (en) * | 2012-06-14 | 2012-10-24 | 何韧 | Method for positioning rickshaw and positioner |
CN204895530U (en) * | 2015-07-08 | 2015-12-23 | 孟永江 | Electromagnetic type arresting gear of small -size shallow |
CN205502610U (en) * | 2016-02-25 | 2016-08-24 | 吕丽玲 | Convenient portable building protection canopy |
CN106203547A (en) * | 2016-06-27 | 2016-12-07 | 成都博晟能源科技有限公司 | A kind of shopping cart, purchase method and device |
CN106846102A (en) * | 2017-01-09 | 2017-06-13 | 郝万达 | The method and system for preventing supermarket shopping end from losing |
CN108909801A (en) * | 2018-08-15 | 2018-11-30 | 甘肃利国农牧业科技发展有限公司 | A kind of processing of farm products equipment |
-
2019
- 2019-10-15 CN CN201910976067.1A patent/CN110775129A/en active Pending
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101188041A (en) * | 2007-11-29 | 2008-05-28 | 上海龙鲁自动化科技有限公司 | Electronic theft-prevention system for supermarket shopping car |
US20120049539A1 (en) * | 2009-04-20 | 2012-03-01 | Ostergotlands Fastighetsservice Samt El Och Larm I Norrkoping Ab | Cart |
CN102745223A (en) * | 2012-06-14 | 2012-10-24 | 何韧 | Method for positioning rickshaw and positioner |
CN204895530U (en) * | 2015-07-08 | 2015-12-23 | 孟永江 | Electromagnetic type arresting gear of small -size shallow |
CN205502610U (en) * | 2016-02-25 | 2016-08-24 | 吕丽玲 | Convenient portable building protection canopy |
CN106203547A (en) * | 2016-06-27 | 2016-12-07 | 成都博晟能源科技有限公司 | A kind of shopping cart, purchase method and device |
CN106846102A (en) * | 2017-01-09 | 2017-06-13 | 郝万达 | The method and system for preventing supermarket shopping end from losing |
CN108909801A (en) * | 2018-08-15 | 2018-11-30 | 甘肃利国农牧业科技发展有限公司 | A kind of processing of farm products equipment |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN110775129A (en) | Intelligent shopping cart and intelligent shopping cart management system | |
CN108320930A (en) | Convert power switch | |
CN211473903U (en) | Automatic alarm anti-theft door and window | |
CN211142563U (en) | Intelligent anti-theft lock for upper cover of washing barrel | |
CN209788808U (en) | Intelligent travel suitcase | |
CN212604619U (en) | Anti-theft electric automobile charging pile | |
CN215291904U (en) | High-safety anti-prying intelligent lock | |
CN211308623U (en) | Object carrying device for traffic transportation | |
CN201802159U (en) | No-power standby remote electronic lock | |
CN202076836U (en) | Multipurpose charging structure of suitcase | |
CN207955849U (en) | Automatic-expanding biped type electric vehicle side brace | |
CN108454734B (en) | Automatic expansion bipedal electric vehicle side stay bar | |
CN206667957U (en) | A kind of intelligent door lock | |
CN204821898U (en) | Two -wheeled balance car of removable battery | |
CN211455887U (en) | Integrated device for monitoring battery PACK performance and position | |
CN206987571U (en) | Smart home door lock based on dynamic password | |
CN205507092U (en) | Anti -theft device with localization tracking function | |
CN207000661U (en) | A kind of split type battery shares bicycle Intelligent lock structure | |
CN205387866U (en) | Mechanical electronic lock | |
CN215622332U (en) | AGV device turn to trailer | |
CN204925195U (en) | Anti -electricity -theft batch meter of single epitope | |
CN215332055U (en) | Magnetic suction type electric control door lock | |
CN213458336U (en) | Anti-strong magnetic interference electricity stealing alarm device | |
CN218413600U (en) | Based on thing networking sharing lease induction system for battery rack | |
CN210976971U (en) | Sharing bicycle intelligence pickproof lock mechanical device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200211 |
|
RJ01 | Rejection of invention patent application after publication |