CN116386217A - Shared computer accessory lease recovery cabinet and system - Google Patents

Shared computer accessory lease recovery cabinet and system Download PDF

Info

Publication number
CN116386217A
CN116386217A CN202211608543.2A CN202211608543A CN116386217A CN 116386217 A CN116386217 A CN 116386217A CN 202211608543 A CN202211608543 A CN 202211608543A CN 116386217 A CN116386217 A CN 116386217A
Authority
CN
China
Prior art keywords
cabinet
computer accessory
shared computer
cabinet body
alarm
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
Application number
CN202211608543.2A
Other languages
Chinese (zh)
Inventor
胡伟英
罗海寿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Jiatian Electronics Technology Co ltd
Original Assignee
Dongguan Jiatian Electronics Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dongguan Jiatian Electronics Technology Co ltd filed Critical Dongguan Jiatian Electronics Technology Co ltd
Priority to CN202211608543.2A priority Critical patent/CN116386217A/en
Publication of CN116386217A publication Critical patent/CN116386217A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • GPHYSICS
    • G07CHECKING-DEVICES
    • G07FCOIN-FREED OR LIKE APPARATUS
    • G07F17/00Coin-freed apparatus for hiring articles; Coin-freed facilities or services
    • G07F17/0042Coin-freed apparatus for hiring articles; Coin-freed facilities or services for hiring of objects
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01LMEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/0028Force sensors associated with force applying means
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

The invention relates to the technical field of recovery cabinets, in particular to a shared computer accessory leasing recovery cabinet and a shared computer accessory leasing recovery system, which comprise a cabinet body, wherein a partition plate is arranged in the cabinet body, a plurality of layered plates are arranged below the partition plate, a plurality of second pressure sensors are embedded in the tops of the layered plates, a plurality of second pressure sensors are also arranged on the inner wall of the bottom end of the cabinet body, a baffle is vertically arranged between two adjacent second pressure sensors, a first cabinet door is arranged in front of each second pressure sensor, and the shared computer accessory leasing recovery cabinet further comprises: a photovoltaic assembly for powering the second pressure sensor; the entrance guard card reader and the indicator light are embedded in the front side of the first cabinet door; and the alarm component is used for alarming a cabinet body supervisory person. According to the invention, through the cooperation of the first pressure sensor, the singlechip and the alarm, when the first cabinet door is damaged maliciously, the alarm is started by the singlechip to warn the cabinet body supervisory personnel, so that the supervisory personnel can make countermeasures in time, thereby realizing theft prevention and reducing economic loss.

Description

Shared computer accessory lease recovery cabinet and system
Technical Field
The invention relates to the technical field of recovery cabinets, in particular to a shared computer accessory renting recovery cabinet and a system.
Background
Along with the continuous development and progress of science and technology, in order to improve the living standard and convenience of masses, public areas such as various markets are usually provided with convenient sharing equipment, such as sharing bicycles, sharing charging treasures, sharing umbrellas and the like, a shared object system is the same as all sharing modes, a two-dimension code is used as an entrance under a connecting line and on a line, a user pays attention to public numbers or installs APP by scanning the two-dimension code, user conversion is realized, and in order to realize unified management of leasing tools, the functions of collecting, authorizing, identifying and the like of the leasing tools are realized, and the leasing tools are generally required to be induced and stored by utilizing a recovery cabinet;
the shared lease recovery cabinet used in the prior art mostly adopts the lightweight application customization service, GPRS/4G/RJ45 communication access technology, weChat public number/enterprise number/applet and other personalized customization, establishes a mobile Internet bridge with a user through WeChat, and then realizes the functions of paying deposit, borrowing and returning to realize article lease, lease and the like through WeChat clients;
because notebook computer has characteristics such as the fuselage is small and exquisite, convenient to carry to obtain wide application, and the power cord is as one of computer accessory, in order to break the notebook and use for a long time and when the dead office that needs to charge and the notebook holder did not carry the power cord, set up the power cord and lease recovery cabinet and have important meaning, in order to avoid retrieving the power cord that stores in the cabinet and suffer theft and cause economic loss when influencing convenience effect, we propose a shared computer accessory lease recovery cabinet and system.
Disclosure of Invention
The invention aims to provide a shared computer accessory lease recovery cabinet and a system thereof, which are used for solving the problems in the background technology.
In order to solve the above technical problems, one of the purposes of the present invention is to provide a shared computer accessory leasing and recycling cabinet, which comprises a cabinet body for accommodating shared computer accessories, wherein an internal space of the cabinet body is divided into an equipment accommodating chamber and a computer accessory storage chamber by a partition board, a plurality of equally spaced laminated boards are arranged below the partition board, a plurality of equally spaced second pressure sensors are embedded in the top of the laminated boards, a plurality of equally spaced second pressure sensors are also arranged on the inner wall of the bottom end of the cabinet body, a baffle is vertically arranged between each of two adjacent second pressure sensors, and a first cabinet door is arranged in front of each of the second pressure sensors, and the shared computer accessory leasing and recycling cabinet further comprises:
a photovoltaic module for powering the second pressure sensor;
the entrance guard card reader and the indicator light are embedded in the front side of the first cabinet door;
and the alarm component is used for alarming the cabinet body supervisory personnel.
As the preferable technical scheme, a cavity for filling desiccant particles is formed between the inner wall and the outer wall of the cabinet body, and the inner side wall of the cabinet body adopts a hollow structure.
As an optimal technical scheme, the photovoltaic module comprises a solar panel positioned at the top of the cabinet body, a storage battery positioned at the top of the partition plate and a solar controller.
As an preferable technical scheme, the solar panel and the storage battery are respectively and electrically connected with the solar controller through wires, and the second pressure sensor is electrically connected with the storage battery through wires.
As the preferable technical scheme, all inlay between the inner wall of cabinet body front side and the outer wall and with first cabinet door bottom corresponds the department and is equipped with first pressure sensor.
As the preferable technical scheme, the alarm assembly comprises an alarm arranged at the top of the partition board, and a singlechip for controlling the switch of the alarm is arranged at one side of the alarm.
As the preferable technical scheme, the front side of the cabinet body is hinged with a second cabinet door above the partition plate, and a filter screen is embedded on the surface of the second cabinet door and at the position corresponding to the alarm.
The second object of the present invention is to provide a shared computer accessory lease recovery system, which includes any one of the shared computer accessory lease recovery cabinets described above, wherein the system is mounted in the single chip microcomputer, and the single chip microcomputer is electrically connected with the solar panel, the storage battery, the solar controller, the alarm, the first pressure sensor, the second pressure sensor, the access control card reader and the indicator lamp through wires, and is used for controlling and managing the operation process of the whole shared computer accessory lease recovery cabinet.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, through the cooperation of the first pressure sensor, the singlechip and the alarm, when the first cabinet door is damaged maliciously, the alarm is started by the singlechip to warn the cabinet body supervisory personnel, so that the supervisory personnel can make countermeasures in time, thereby realizing burglary prevention and reducing economic loss;
2. according to the invention, the solar panel and the solar controller are matched for use, so that solar energy is converted into electric energy and stored in the storage battery, and then the storage battery is used for supplying power to the electronic equipment, thereby reducing the electric energy consumption and improving the utilization rate of the solar energy.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the whole structure of the cabinet body after being cut off;
FIG. 3 is a schematic view of a part of a cabinet body in the invention after being cut;
FIG. 4 is a second schematic view of a part of the cabinet in the present invention;
FIG. 5 is a schematic view of the internal structure of the cabinet according to the present invention;
fig. 6 is a schematic view of a part of the structure of the present invention.
The meaning of each reference numeral in the figures is:
1. a cabinet body; 11. a cavity; 12. a solar cell panel; 13. a storage battery; 14. a solar controller; 15. a single chip microcomputer; 16. an alarm; 17. a first pressure sensor;
2. a partition plate;
3. a laminated plate; 31. a baffle;
4. a second pressure sensor;
5. a first cabinet door; 51. an access control card reader; 52. an indicator light;
6. and a second cabinet door.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the utility model provides a shared computer accessory lease recovery cabinet, includes the cabinet body 1 that is used for accomodating shared computer accessory, has seted up the cavity 11 that is used for filling drier granule between the inner wall of cabinet body 1 and the outer wall, and the inside wall of cabinet body 1 adopts hollow structure to the moisture in the inside air of cabinet body 1 can get into cavity 11 through the fretwork hole of its inside wall and fully contact with drier granule that the cavity 11 is inside filled and obtain adsorption treatment;
the internal space of the cabinet body 1 is divided into an equipment accommodating chamber and a computer accessory storage chamber by a partition plate 2, the equipment accommodating chamber is positioned above the computer accessory storage chamber, a plurality of equally-spaced layered plates 3 are arranged below the partition plate 2, the end parts of the layered plates 3 are fixedly connected with the side walls of the computer accessory storage chamber, a plurality of equally-spaced second pressure sensors 4 are embedded in the top parts of the layered plates 3, and a plurality of equally-spaced second pressure sensors 4 are also arranged on the inner wall of the bottom end of the cabinet body 1;
baffle plates 31 are vertically arranged between the left and right adjacent second pressure sensors 4, the top ends of the baffle plates 31 are respectively and fixedly connected with the bottom ends of the corresponding layering plates 3 or the corresponding separation plates 2, so that the space between the top of the layering plates 3 and the bottom ends of the layering plates 3 and the inner wall of the bottom end of the cabinet body 1 is divided into a plurality of storage cavities for placing shared computer accessories through the baffle plates 31, the first cabinet doors 5 are respectively arranged in front of the second pressure sensors 4, and the first cabinet doors 5 are in one-to-one correspondence with the storage cavities;
further, the front side of the first cabinet door 5 is embedded with the entrance guard card reader 51 and the indicator light 52, so that a user can enter software or a small program through a mobile phone client, then obtain unlocking authority after being operated by a member or recharging, and then realize opening of the first cabinet door 5 by using NFC.
Further comprises: the photovoltaic module is used for supplying power to the second pressure sensor 4 and comprises a solar panel 12 positioned at the top of the cabinet body 1, a storage battery 13 positioned at the top of the partition board 2 and a solar controller 14, wherein the solar panel 12 and the storage battery 13 are respectively and electrically connected with the solar controller 14 through wires, and the second pressure sensor 4 and the indicator lamp 52 are respectively and electrically connected with the storage battery 13 through wires;
specifically, the solar energy collected by the solar panel 12 is converted into electric energy by the solar controller 14 and stored in the storage battery 13, and then the storage battery 13 supplies power to the electronic devices such as the second pressure sensor 4 and the indicator lamp 52, so that the utilization rate of solar energy resources is improved while the electric energy loss is saved.
It is to be added that a first pressure sensor 17 is embedded between the inner wall and the outer wall of the front side of the cabinet body 1 and at the position corresponding to the bottom of the first cabinet door 5, the top of the first pressure sensor 17 is contacted with the bottom end of the first cabinet door 5, and the first pressure sensor 17 is electrically connected with the storage battery 13 through a lead so as to supply power to the first pressure sensor 17 through the storage battery 13.
The alarm assembly is used for warning the supervisory personnel of the cabinet body 1 and comprises an alarm 16 positioned at the top of the partition board 2, one side of the alarm 16 is provided with a singlechip 15 used for controlling the switch of the alarm 16, and the first pressure sensor 17 and the alarm 16 are respectively and electrically connected with the singlechip 15 through wires;
when the cabinet is specifically used, when the first cabinet door 5 is removed by violence, the first pressure sensor 17 detects data abnormality and feeds detection data back to the singlechip 15, and then the singlechip 15 starts the alarm 16, so that the warning effect on the supervisory personnel of the cabinet body 1 is realized.
It should be noted that, the top end of the second pressure sensor 4 is level with the top of the corresponding laminated board 3 or the inner wall of the bottom end of the cabinet body 1, so that the second pressure sensor 4 is used for sensing the shared computer accessory placed at the top end of the second pressure sensor, the second pressure sensor 4 and the indicator lamp 52 are also electrically connected with the singlechip 15 through wires, further, the second pressure sensor 4 senses the computer accessory stored in the corresponding placing cavity and feeds back detection data into the singlechip 15, and then the singlechip 15 is used for starting and stopping the power supply of the indicator lamp 52;
specifically, when the computer accessories stored in the placing cavity are borrowed, the second pressure sensor 4 feeds back detection data to the singlechip 15, then the singlechip 15 cuts off the power supply of the corresponding indicator lamp 52, and when the computer accessories are returned to the placing cavity, the singlechip 15 connects the power supply of the corresponding indicator lamp 52, so that the state of the computer accessories stored in the placing cavity corresponding to the first cabinet door 5 is indicated to a user conveniently, and the user can select the corresponding placing cavity according to the lighting and closing of the indicator lamp 52 when renting the computer accessories conveniently.
As the preference of this embodiment, the front side of the cabinet body 1 and above the partition board 2 is hinged with a second cabinet door 6, so as to overhaul the electronic devices such as the solar controller 14, the singlechip 15 and the alarm 16 placed at the top of the partition board 2, and a filter screen is embedded on the surface of the second cabinet door 6 and at the position corresponding to the alarm 16, so that the second cabinet door 6 is prevented from weakening the volume of the alarm 16 when whistling.
In addition, the electronic components in the solar controller 14, the singlechip 15, the alarm 16, the first pressure sensor 17, the second pressure sensor 4, the access control card reader 51, the indicator light 52 and other components are all universal standard components or components known to those skilled in the art, the structure and principle of which are known by those skilled in the art through technical manuals or by conventional experimental methods, and the specific connection means should refer to the above working principle, which are all known in the art and are not described herein.
In addition, this embodiment also provides a shared computer accessory lease recovery system, including the shared computer accessory lease recovery cabinet described above, this system is loaded in singlechip 15, and singlechip 15 passes through wire and solar cell panel 12, battery 13, solar controller 14, alarm 16, first pressure sensor 17, second pressure sensor 4, entrance guard card reader 51 and pilot lamp 52 electric connection for the operation process of the whole shared computer accessory lease recovery cabinet of control management.
When the shared computer accessory lease recovery cabinet is used, a computer accessory leaser selects the first cabinet door 5 with the indication lamp 52 turned on, then opens the corresponding first cabinet door 5 through NFC and takes the shared computer accessory stored in the corresponding placing cavity, then closes the corresponding first cabinet door 5, at the moment, the second pressure sensor 4 detects the removal of the computer accessory at the top end and feeds data back to the singlechip 15, so that the singlechip 15 cuts off the power supply of the indication lamp 52 corresponding to the singlechip;
the computer accessory returning personnel selects the first cabinet door 5 with the indicator lamp 52 turned off, then opens the first cabinet door 5 corresponding to the first cabinet door through NFC, places the used computer accessory in the placing cavity corresponding to the first cabinet door, then the second pressure sensor 4 detects the return of the computer accessory at the top end of the computer accessory and feeds data back to the singlechip 15, so that the singlechip 15 connects the power supply of the indicator lamp 52 corresponding to the singlechip, and the indicator lamp 52 is turned on again for the subsequent personnel to take;
when the first cabinet door 5 is maliciously damaged, the first pressure sensor 17 detects that the data is abnormal and feeds the data back to the singlechip 15, and then the singlechip 15 starts the alarm 16, so that the monitoring personnel of the cabinet body 1 can be warned, and the monitoring personnel can timely take countermeasures.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a shared computer accessory lease recovery cabinet, is including being used for accomodating cabinet body (1) that shared computer accessory, its characterized in that: the inner space of the cabinet body (1) is divided into an equipment accommodating chamber and a computer accessory storage chamber through a partition plate (2), a plurality of equally-spaced layered plates (3) are arranged below the partition plate (2), a plurality of equally-spaced second pressure sensors (4) are embedded in the top of the layered plates (3), a plurality of equally-spaced second pressure sensors (4) are also arranged on the inner wall of the bottom end of the cabinet body (1), a baffle (31) is vertically arranged between every two adjacent second pressure sensors (4), and a first cabinet door (5) is arranged in front of each second pressure sensor (4) and further comprises:
a photovoltaic module for powering the second pressure sensor (4);
an entrance guard card reader (51) and an indicator lamp (52) which are embedded in the front side of the first cabinet door (5);
and the alarm component is used for alarming the supervision personnel of the cabinet body (1).
2. The shared computer accessory lease recovery cabinet of claim 1, wherein: a cavity (11) for filling desiccant particles is formed between the inner wall and the outer wall of the cabinet body (1), and the inner side wall of the cabinet body (1) adopts a hollow structure.
3. The shared computer accessory lease recovery cabinet of claim 1, wherein: the photovoltaic module comprises a solar panel (12) positioned at the top of the cabinet body (1), a storage battery (13) positioned at the top of the partition board (2) and a solar controller (14).
4. The shared computer accessory lease recovery cabinet of claim 3, wherein: the solar panel (12) and the storage battery (13) are respectively and electrically connected with the solar controller (14) through wires, and the second pressure sensor (4) is electrically connected with the storage battery (13) through wires.
5. The shared computer accessory lease recovery cabinet of claim 1, wherein: a first pressure sensor (17) is embedded between the inner wall and the outer wall of the front side of the cabinet body (1) and at the position corresponding to the bottom of the first cabinet door (5).
6. The shared computer accessory lease recovery cabinet of claim 1, wherein: the alarm assembly comprises an alarm (16) positioned at the top of the partition board (2), and a singlechip (15) for controlling the switch of the alarm (16) is arranged on one side of the alarm (16).
7. The shared computer accessory lease recovery cabinet of claim 6, wherein: the front side of the cabinet body (1) is hinged with a second cabinet door (6) above the partition plate (2), and a filter screen is embedded on the surface of the second cabinet door (6) and at the position corresponding to the alarm (16).
8. A shared computer accessory lease recovery system comprising the shared computer accessory lease recovery cabinet of any one of claims 1-7, characterized in that: the system is loaded in the singlechip (15), and the singlechip (15) is electrically connected with the solar cell panel (12), the storage battery (13), the solar controller (14), the alarm (16), the first pressure sensor (17), the second pressure sensor (4), the access control card reader (51) and the indicator lamp (52) through wires and is used for controlling and managing the operation process of the whole shared computer accessory lease recovery cabinet.
CN202211608543.2A 2022-12-14 2022-12-14 Shared computer accessory lease recovery cabinet and system Pending CN116386217A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211608543.2A CN116386217A (en) 2022-12-14 2022-12-14 Shared computer accessory lease recovery cabinet and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211608543.2A CN116386217A (en) 2022-12-14 2022-12-14 Shared computer accessory lease recovery cabinet and system

Publications (1)

Publication Number Publication Date
CN116386217A true CN116386217A (en) 2023-07-04

Family

ID=86969898

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211608543.2A Pending CN116386217A (en) 2022-12-14 2022-12-14 Shared computer accessory lease recovery cabinet and system

Country Status (1)

Country Link
CN (1) CN116386217A (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109389768A (en) * 2018-09-30 2019-02-26 宁波工程学院 A kind of shared umbrella terminal
CN209232058U (en) * 2019-01-30 2019-08-09 乐昌市魔格智能快递柜有限公司 A kind of energy-saving and environment-friendly outdoor express delivery cabinet
CN211130250U (en) * 2019-10-14 2020-07-31 重庆三峡学院 Dampproofing cabinet of storing of books information archives
CN212433872U (en) * 2020-07-20 2021-01-29 深圳市乐电科技有限公司 Access cabinet for shared charging bank
CN217305922U (en) * 2022-02-28 2022-08-26 刘小娴 But disinfection's basketball sharing cabinet
CN217639245U (en) * 2022-07-01 2022-10-21 远中电气有限公司 Anti-theft high-voltage metering box
CN217880445U (en) * 2022-09-02 2022-11-22 杭州易租康健康管理有限公司 Sharing wheelchair

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109389768A (en) * 2018-09-30 2019-02-26 宁波工程学院 A kind of shared umbrella terminal
CN209232058U (en) * 2019-01-30 2019-08-09 乐昌市魔格智能快递柜有限公司 A kind of energy-saving and environment-friendly outdoor express delivery cabinet
CN211130250U (en) * 2019-10-14 2020-07-31 重庆三峡学院 Dampproofing cabinet of storing of books information archives
CN212433872U (en) * 2020-07-20 2021-01-29 深圳市乐电科技有限公司 Access cabinet for shared charging bank
CN217305922U (en) * 2022-02-28 2022-08-26 刘小娴 But disinfection's basketball sharing cabinet
CN217639245U (en) * 2022-07-01 2022-10-21 远中电气有限公司 Anti-theft high-voltage metering box
CN217880445U (en) * 2022-09-02 2022-11-22 杭州易租康健康管理有限公司 Sharing wheelchair

Similar Documents

Publication Publication Date Title
CN105480327A (en) U-shaped lock
CN207650838U (en) A kind of gate inhibition's face identification device
CN208241354U (en) A kind of mobile terminal wireless charging electric cabinet
CN116386217A (en) Shared computer accessory lease recovery cabinet and system
CN206737599U (en) A kind of electronic lock be easy to charge and change battery
CN210721597U (en) Intelligent door lock with monitoring and alarming functions
CN208015448U (en) A kind of power supply die set
CN207194646U (en) One kind combination is without spoon intelligent door lock
CN215769586U (en) Anti-theft case for host
CN214506605U (en) Centralized storage cabinet for mobile phones
CN207319317U (en) A kind of electronic fingerprint device of intelligence case electronic lock
CN211776803U (en) Novel storage cabinet
CN215793235U (en) Charging cabinet
CN220203645U (en) Passive intelligent door lock
CN220522276U (en) Passive intelligent door lock and door lock system
CN214204385U (en) Security protection power supply unit based on thing networking
CN214943243U (en) Intelligent lock body with alarm function
CN213024553U (en) Two-dimensional code entrance guard all-in-one based on thing networking
CN212437886U (en) Intelligence express delivery cabinet with facial recognition function
CN216530586U (en) Emergency starting power supply
CN216690674U (en) Intelligent lock
CN218997710U (en) Energy storage equipment rents and sells device
CN218343682U (en) Control system of lithium-ion electric bicycle and lithium-ion electric bicycle
CN218601848U (en) Entrance guard security device with security camera
CN221085649U (en) Intelligent dangerous chemical management cabinet

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