CN116786488B - E-commerce logistics self-cleaning scanner - Google Patents

E-commerce logistics self-cleaning scanner Download PDF

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Publication number
CN116786488B
CN116786488B CN202310051414.6A CN202310051414A CN116786488B CN 116786488 B CN116786488 B CN 116786488B CN 202310051414 A CN202310051414 A CN 202310051414A CN 116786488 B CN116786488 B CN 116786488B
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CN
China
Prior art keywords
cleaning
deflection
scraping
cleaning frame
frame
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CN202310051414.6A
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Chinese (zh)
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CN116786488A (en
Inventor
赵玥
马文娟
刘强
杨轶群
王兆国
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Shandong Labor Vocational and Technical College
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Shandong Labor Vocational and Technical College
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Priority to CN202310051414.6A priority Critical patent/CN116786488B/en
Publication of CN116786488A publication Critical patent/CN116786488A/en
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Publication of CN116786488B publication Critical patent/CN116786488B/en
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Abstract

The utility model discloses an electronic commerce logistics self-cleaning scanner which comprises a scanning head and a handle arranged at the bottom of the scanning head, wherein a cleaning cover is arranged at the mirror surface of the scanning head, the inner side of the cleaning cover is connected with a cleaning frame in a sliding manner through a limiting cross rod, sliding holes matched with the limiting cross rod are formed in the two sides of the cleaning frame, scraping members are arranged in the two sides of the cleaning frame, a deflection assembly is arranged at the bottom of the cleaning frame, a wiping assembly is arranged in the middle of the upper surface of the cleaning frame, and a driving member is arranged at the inner side of the cleaning cover. This commodity circulation of electricity is from clean formula scanner, through setting up the scraping component, utilize to scrape the dirty of strip to scan head mirror surface department, through setting up the subassembly that shifts again, utilize runner two to contact with the inclined plane department of shifting the tripod, and then make the direction change of shifting the board perk end, and then adjust two sets of strips and scan head mirror surface department and contact in turn to improve the cleaning performance to the scan head mirror surface.

Description

E-commerce logistics self-cleaning scanner
Technical Field
The utility model relates to the technical field of logistics scanners, in particular to an electronic commerce logistics self-cleaning scanner.
Background
In the physical flowing process of the articles from the supply place to the receiving place, the functions of transportation, storage, loading, unloading, carrying, packaging, circulation processing, distribution, information processing and the like are organically combined according to actual needs to realize the process of user requirements; during the transportation of the logistics goods, the goods are scanned by the scanning gun, so that the next transportation can be performed;
however, the current-stage scanner for logistics has some defects, for example, chinese patent publication No. CN213338752U discloses a two-dimension code scanning gun for warehouse logistics, which has the advantages of adjustability and the like, and solves the problems that in the prior art, the two-dimension code scanning gun for warehouse logistics has different size specifications, and the actual comfort level is inconsistent when different operators use the scanner because the handle length of the scanning gun cannot be adjusted, so that the scanner is inconvenient to use; however, during the use of the scanning gun, dust and foreign matters adhere to the mirror surface of the scanning head, and the dust and the foreign matters cannot be cleaned conveniently, so that the use of the scanning gun is affected.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides an electronic commerce logistics self-cleaning scanner, which solves the problems that dust and foreign matters adhere to the mirror surface of a scanning head of a scanning gun in the using process of the scanning gun, the dust and the foreign matters cannot be cleaned conveniently and quickly, and the using of the scanning gun is affected.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides an electronic commerce commodity circulation is from clean formula scanner, includes the scanning head and sets up the handle in the scanning head bottom, the mirror surface department of scanning head is equipped with the clean cover, and the bottom of clean cover is equipped with the LED lamp pearl, the inboard of clean cover has the clean frame through spacing horizontal pole sliding connection, and the slide hole with spacing horizontal pole looks adaptation has been seted up to the both sides of clean frame;
the two sides of the cleaning frame are provided with scraping members which are used for scraping the mirror surface of the scanning head;
the bottom of the cleaning frame is provided with a deflection assembly, and the deflection assembly is used for adjusting the position of the scraping member;
the middle part of the upper surface of the cleaning frame is provided with a wiping component which is used for wiping the mirror surface of the scanning head;
the inner side of the cleaning cover is provided with a driving component, and the driving component is used for driving the cleaning frame to move.
Preferably, the scraping component comprises a plurality of groups of limiting cylinders and sliding rods, wherein the limiting cylinders are fixedly connected with two sides of the cleaning frame, the sliding rods are in sliding connection with the inner sides of the limiting cylinders, the upper ends of the two groups of sliding rods on the left side of the cleaning frame are jointly connected with a scraping strip seat rod, and scraping strips are arranged on the upper parts of the scraping strip seat rods;
the bottom of the sliding rod is fixedly connected with a wheel frame, the inner side of the wheel frame is rotationally connected with a first rotating wheel, the lower part of the sliding rod is provided with a first spring, and the upper end and the lower end of the first spring are respectively contacted with the limiting cylinder and the wheel frame.
Preferably, the deflection assembly comprises a rod barrel, a deflection plate and a deflection tripod;
the middle part of the deflection plate is fixedly connected with a deflection seat, two groups of deflection grooves are formed in the surface of the deflection seat, and the middle part of the deflection plate is rotationally connected with the bottom of the rod barrel;
the lower part of the inner side of the rod cylinder is provided with a positioning bead, the positioning bead is connected with the inner side of the rod cylinder through a second spring, and the positioning bead is contacted with the position changing groove;
the shifting tripod is fixedly connected with the inner side of the cleaning cover, the end part of the shifting plate is rotationally connected with a second rotating wheel, and the second rotating wheel is contacted with the inclined surface of the shifting tripod;
the bottom of the first rotating wheel is contacted with two sides of the deflection plate.
Preferably, the wiping component comprises two groups of supporting plates, a roll shaft and a tooth brush;
the support plate is fixedly connected with two sides of the upper part of the cleaning frame, the roll shaft is rotationally connected with the support plate, and a velvet cylinder is arranged on the outer side of the roll shaft;
the tooth brush is fixedly connected with the middle part of the cleaning frame, and the upper part of the tooth brush is contacted with the velvet cylinder.
Preferably, the end part of the roll shaft is fixedly connected with a gear, a toothed bar matched with the gear is arranged on the inner side of the cleaning cover, and the gear is meshed with the toothed bar for transmission.
Preferably, the driving member includes a motor and a screw;
the both ends of lead screw are rotated with the inboard of clean cover and are connected, the outside fixed connection of motor and clean cover, the output of motor runs through the inboard of clean cover, and the output of motor and the one end fixed connection of motor.
Preferably, a screw hole matched with the screw rod is formed in the middle of the cleaning frame, and the screw rod is in threaded connection with the screw hole.
Advantageous effects
The utility model provides an electronic commerce logistics self-cleaning scanner. Compared with the prior art, the method has the following beneficial effects:
the scraping component is arranged, dirt at the mirror surface of the scanning head is scraped by the scraping strips, the deflection component is arranged, and the rotating wheel II is contacted with the inclined surface of the deflection tripod, so that the direction of the tilting end of the deflection plate is changed, the two groups of scraping strips are further adjusted to be alternately contacted with the mirror surface of the scanning head, and the cleaning effect of the mirror surface of the scanning head is improved;
the cleaning assembly is arranged, the gear is meshed with the toothed bar, so that the roller shaft drives the velvet cylinder to rotate, scratches at the mirror surface are cleaned, the cleaning degree of mirror surface cleaning is improved, and the bottom of the velvet cylinder is scraped and combed by the toothed brush, so that the velvet on the velvet cylinder is prevented from knotting, and the cleaning effect of the mirror surface at the scanning head is prevented from being influenced;
through setting up clean cover, can support to scrape component and wiping subassembly and accomodate on the one hand to keep the scanning route of scanning head can not receive cleaning device's influence, on the other hand can avoid the mirror surface of scanning head to receive the foreign object collision, and then lead to the impaired problem of scanning head.
Drawings
FIG. 1 is a front elevational view of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the structure of the cleaning hood of the present utility model;
FIG. 3 is a cross-sectional view of the construction of the scraper member, wiper assembly and indexing assembly of the present utility model;
fig. 4 is a structural perspective view of the cleaning frame of the present utility model.
In the figure: 1. a scanning head; 2. a handle; 3. a cleaning cover; 31. a limiting cross bar; 32. a toothed bar; 4. a cleaning rack; 41. a slide hole; 42. a screw hole; 51. a limiting cylinder; 52. a slide bar; 53. a scraper bar seat rod; 54. a wheel carrier; 55. a first rotating wheel; 56. scraping the strip; 57. a first spring; 61. a pole barrel; 62. a deflection plate; 63. a deflection seat; 64. a deflection groove; 65. positioning beads; 66. a deflection tripod; 67. a second spring; 68. a second rotating wheel; 71. a support plate; 72. a roll shaft; 73. tooth brushes; 74. a velvet cylinder; 75. a gear; 81. a motor; 82. and a screw rod.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an E-commerce commodity circulation is from clean scanner, including scanning head 1 and handle 2 of setting in scanning head 1 bottom, the mirror surface department of scanning head 1 is equipped with clean cover 3, through setting up clean cover 3, on the one hand can support and accomodate scraping component and wiping subassembly, thereby keep the scanning path of scanning head can not receive cleaning device's influence, on the other hand can avoid the mirror surface of scanning head 1 to receive the foreign object collision, and then lead to the impaired problem of scanning head 1, and the bottom of clean cover 3 is equipped with the LED lamp pearl, LED lamp pearl and 2 inboard energy storage power electric connection, utilize the two-dimensional code or the bar code on the LED lamp pearl irradiation commodity circulation article, improve the performance of equipment in dim environment, clean cover 3's inboard has clean frame 4 through spacing horizontal pole 31 sliding connection, and clean frame 4's both sides offer with spacing horizontal pole 31 looks adaptation slide hole 41, clean cover 3's inboard is equipped with the driving member, and the driving member is used for driving clean frame 4 and removes, on the other hand, the driving member includes motor 81 and lead screw 82, the both ends and the inboard rotation of clean cover 3 are connected, motor 81 and the outside of clean cover 3 are fixed connection, the output end of motor 81 and motor 3 is connected with the power supply of the control button 81, and a plurality of sets of LED lamp 81 are used for controlling the power connection of the inside of LED lamp 81, and the control button 81 of the inside of the motor 3 is used for turning to be connected with the inside of the face of the LED power supply 81, simultaneously, and one end 81 is connected at the control button 81;
the middle part of the cleaning frame 4 is provided with a screw hole 42 which is matched with the screw rod 82, the screw rod 82 is in spiral connection with the screw hole 42, both sides of the cleaning frame 4 are provided with scraping members, the scraping members are used for scraping the mirror surface of the scanning head 1, each scraping member comprises a plurality of groups of limiting cylinders 51 and sliding rods 52, each limiting cylinder 51 is fixedly connected with both sides of the cleaning frame 4, the sliding rods 52 are in sliding connection with the inner sides of the limiting cylinders 51, the upper ends of the two groups of sliding rods 52 on the left side of the cleaning frame 4 are jointly connected with a scraping rod seat rod 53, the upper parts of the scraping rod seat rods 53 are provided with scraping rods 56, the scraping rods 56 are in clamping connection with the scraping rod seat rod 53, the scraping rods 56 are worn out after being used for a long time, the scraping rods 56 are made of hard rubber materials, the scraping rods 56 are embedded with the clamping parts of the scraping rod seat rod 53, the scraping rods 56 are not easy to fall off, meanwhile, the scraping rods 56 of the unidirectional scraping heads are arranged, the scraping rods 56 of the mirror surface are more thoroughly scraped, the bottom of the cleaning frame 52 is fixedly connected with a scraping rod 54, the inner sides of the wheel frame 54 are in a rotating connection, one side of the wheel frame 54 is provided with a lower part 55, and the upper end of the scraping rod seat rod is provided with a spring 57, and the lower end of the scraping rod seat rod 57 is in contact with the upper end of the wheel frame 51, and the lower end of the scraping rod 57 of the scraping rod is arranged on the wheel frame 1, and the upper end of the scraping rod is provided with the scraping spring 57, and the upper end of the scraping rod is respectively, and the upper end of the scraping rod is respectively, and lower end of the scraping rod is respectively, and the lower end is provided with the scraping rod is respectively, and is provided with the scraping spring, and is respectively, and is provided with the cleaning and has the cleaning;
the bottom of the cleaning frame 4 is provided with a deflection assembly, the deflection assembly is used for adjusting the position of the scraping component, the deflection assembly comprises a rod barrel 61, a deflection plate 62 and a deflection tripod 66, the middle part of the deflection plate 62 is fixedly connected with a deflection seat 63, the surface of the deflection seat 63 is provided with two groups of deflection grooves 64, the middle part of the deflection plate 62 is rotationally connected with the bottom of the rod barrel 61, the lower part of the inner side of the rod barrel 61 is provided with a positioning bead 65, the positioning bead 65 is connected with the inner side of the rod barrel 61 through a second spring 67, the positioning bead 65 is contacted with the deflection groove 64, and the bottom of the first rotating wheel 55 is contacted with two sides of the deflection plate 62; the deflection tripod 66 is fixedly connected with the inner side of the cleaning cover 3, the end part of the deflection plate 62 is rotationally connected with a second rotating wheel 68, the second rotating wheel 68 is contacted with the inclined surface of the deflection tripod 66, and the deflection assembly is arranged, so that the direction of the tilting end of the deflection plate 62 is changed by utilizing the contact of the second rotating wheel 68 and the inclined surface of the deflection tripod 66, and the two groups of scraping strips 56 are further adjusted to be alternately contacted with the mirror surface of the scanning head 1, thereby improving the cleaning effect on the mirror surface of the scanning head 1;
the middle part of the upper surface of the cleaning frame 4 is provided with a wiping component, and the wiping component is used for wiping the mirror surface of the scanning head 1 and comprises two groups of supporting plates 71, a roll shaft 72 and a tooth brush 73; the backup pad 71 and the both sides fixed connection of clean frame 4 upper portion, and roller 72 and backup pad 71 rotate to be connected, the outside of roller 72 is equipped with fine hair section of thick bamboo 74, the fixed connection in middle part of brush 73 and clean frame 4, and the upper portion of brush 73 contacts with fine hair section of thick bamboo 74, the tip fixedly connected with gear 75 of roller 72, the inboard of clean cover 3 is equipped with the rack 32 with gear 75 looks adaptation, and gear 75 and rack 32 meshing transmission, through setting up the wiping subassembly, utilize gear 75 and rack 32 meshing, make roller 72 drive fine hair section of thick bamboo 74 rotation, and clean the clean degree of mirror surface department, through utilizing brush 73 to scrape the comb to the bottom of fine hair section of thick bamboo 74, avoid fine hair on the fine hair section of thick bamboo 74 to tie a knot, influence the cleaning effect of mirror surface of scanning head 1 department, effectively handle the dust that the fine hair section of thick bamboo 74 adsorbed simultaneously after wiping.
And all that is not described in detail in this specification is well known to those skilled in the art.
When the device is used, the handle 2 is held, the scanning head 1 is aligned to the scanning piece, and the LED lamp beads are started to illuminate the scanning piece in a dark environment;
when the equipment is self-cleaned, the motor 81 is started to enable the motor 81 to rotate and drive the screw rod 82 to rotate, so that the limiting cross rod 31 and the sliding hole 41 slide to limit the cleaning frame 4, and then the motor 81 and the screw hole 42 rotate in a spiral manner to enable the cleaning frame 4 to move;
in the moving process of the cleaning frame 4, a group of scraping strips 56 scrape and clean the mirror surface of the scanning head 1, meanwhile, the gear 75 is meshed with the toothed bar 32 for transmission, so that the roller shaft 72 drives the velvet cylinder 74 to rotate, the velvet cylinder 74 wipes and cleans the mirror surface, meanwhile, in the rotating process of the velvet cylinder 74, the toothed brush 73 scrapes and combs the bottom of the velvet cylinder 74, and the velvet on the velvet cylinder 74 is prevented from knotting, and the wiping effect of the mirror surface at the scanning head 1 is prevented from being influenced;
meanwhile, when the cleaning frame 4 moves to one end of the inner side of the cleaning cover 3, the second rotating wheel 68 close to the inner wall of the cleaning cover 3 is in contact with the inclined surface of the deflection tripod 66, so that the direction of the tilting end of the deflection plate 62 is changed, the positioning beads 65 are transferred from one group of deflection grooves 64 to the other group of deflection grooves 64 and are pressed by the second springs 67, the positioning beads 65 are positioned, meanwhile, the first rotating wheel 55 at the bottom of the sliding rod 52 is pressed by the first springs 57, so that the first rotating wheel 55 is always in contact with the deflection plate 62, the positions of the sliding rods 52 on the two sides of the cleaning frame 4 are changed, meanwhile, the scraping strips 56 which are originally in contact with the mirror surface of the scanning head 1 are not in contact with the mirror surface of the scanning head 1 any more, the scraping strips 56 which are originally not in contact with the mirror surface of the scanning head 1 are in contact with the mirror surface of the scanning head 1, and then the motor 81 is reversely rotated, so that the moving direction of the cleaning frame 4 is changed, and the mirror surface of the scanning head 1 is reciprocally cleaned.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides an electronic commerce commodity circulation is from clean formula scanner, includes scanning head (1) and sets up handle (2) in scanning head (1) bottom, its characterized in that: the LED scanning device is characterized in that a cleaning cover (3) is arranged at the mirror surface of the scanning head (1), LED lamp beads are arranged at the bottom of the cleaning cover (3), a cleaning frame (4) is connected to the inner side of the cleaning cover (3) in a sliding manner through a limiting cross rod (31), and sliding holes (41) matched with the limiting cross rod (31) are formed in two sides of the cleaning frame (4);
both sides of the cleaning frame (4) are provided with scraping members which are used for scraping the mirror surface of the scanning head (1);
the scraping component comprises a plurality of groups of limiting cylinders (51) and sliding rods (52), the limiting cylinders (51) are fixedly connected with two sides of the cleaning frame (4), the sliding rods (52) are in sliding connection with the inner sides of the limiting cylinders (51), the upper ends of the two groups of sliding rods (52) on the left side of the cleaning frame (4) are jointly connected with a scraping strip seat rod (53), and scraping strips (56) are arranged on the upper parts of the scraping strip seat rods (53);
the bottom of the sliding rod (52) is fixedly connected with a wheel frame (54), the inner side of the wheel frame (54) is rotationally connected with a first rotating wheel (55), the lower part of the sliding rod (52) is provided with a first spring (57), and the upper end and the lower end of the first spring (57) are respectively contacted with the limiting cylinder (51) and the wheel frame (54);
the bottom of the cleaning frame (4) is provided with a deflection assembly, and the deflection assembly is used for adjusting the position of the scraping component;
the deflection assembly comprises a rod barrel (61), a deflection plate (62) and a deflection tripod (66);
the middle part of the deflection plate (62) is fixedly connected with a deflection seat (63), two groups of deflection grooves (64) are formed in the surface of the deflection seat (63), and the middle part of the deflection plate (62) is rotationally connected with the bottom of the rod barrel (61);
the lower part of the inner side of the rod barrel (61) is provided with a positioning bead (65), the positioning bead (65) is connected with the inner side of the rod barrel (61) through a second spring (67), and the positioning bead (65) is in contact with the position changing groove (64);
the deflection tripod (66) is fixedly connected with the inner side of the cleaning cover (3), the end part of the deflection plate (62) is rotatably connected with a second rotating wheel (68), and the second rotating wheel (68) is contacted with the inclined surface of the deflection tripod (66);
the bottom of the first rotating wheel (55) is contacted with two sides of the shifting plate (62);
the middle part of the upper surface of the cleaning frame (4) is provided with a wiping component, and the wiping component is used for wiping the mirror surface of the scanning head (1);
the inner side of the cleaning cover (3) is provided with a driving component which is used for driving the cleaning frame (4) to move.
2. The e-commerce logistics self-cleaning scanner of claim 1, wherein: the wiping component comprises two groups of supporting plates (71), a roll shaft (72) and a tooth brush (73);
the support plate (71) is fixedly connected with two sides of the upper part of the cleaning frame (4), the roll shaft (72) is rotationally connected with the support plate (71), and a velvet cylinder (74) is arranged on the outer side of the roll shaft (72);
the tooth brush (73) is fixedly connected with the middle part of the cleaning frame (4), and the upper part of the tooth brush (73) is contacted with the velvet cylinder (74).
3. The e-commerce logistics self-cleaning scanner of claim 2, wherein: the end part of the roll shaft (72) is fixedly connected with a gear (75), a toothed bar (32) matched with the gear (75) is arranged on the inner side of the cleaning cover (3), and the gear (75) is meshed with the toothed bar (32) for transmission.
4. The e-commerce logistics self-cleaning scanner of claim 1, wherein: the driving member comprises a motor (81) and a screw (82);
the both ends of lead screw (82) are connected with the inboard rotation of clean cover (3), the outside fixed connection of motor (81) and clean cover (3), the output of motor (81) runs through the inboard of clean cover (3), and the output of motor (81) and the one end fixed connection of motor (81).
5. The e-commerce logistics self-cleaning scanner of claim 4, wherein: screw holes (42) matched with the screw rods (82) are formed in the middle of the cleaning frame (4), and the screw rods (82) are in spiral connection with the screw holes (42).
CN202310051414.6A 2023-02-02 2023-02-02 E-commerce logistics self-cleaning scanner Active CN116786488B (en)

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Application Number Priority Date Filing Date Title
CN202310051414.6A CN116786488B (en) 2023-02-02 2023-02-02 E-commerce logistics self-cleaning scanner

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Application Number Priority Date Filing Date Title
CN202310051414.6A CN116786488B (en) 2023-02-02 2023-02-02 E-commerce logistics self-cleaning scanner

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CN116786488B true CN116786488B (en) 2023-10-24

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2111814U (en) * 1992-01-06 1992-08-05 雷涛 Reset-type open spanner
US6336383B1 (en) * 2001-01-26 2002-01-08 Kun Chih Hung Wrench structure
KR20140044157A (en) * 2012-10-04 2014-04-14 포스코에너지 주식회사 Cleaning system of solar power receiver
CN109743479A (en) * 2018-12-27 2019-05-10 陈宇蓓 A kind of self-cleaning high speed monitoring camera
CN210414307U (en) * 2019-09-04 2020-04-28 青岛利浩金属制品有限公司 Positioning device for assembling automobile parts
CN114224242A (en) * 2021-12-23 2022-03-25 安徽商贸职业技术学院 Indoor ground and wall cleaning device for daily life
CN114979447A (en) * 2022-06-10 2022-08-30 高亚娟 Security protection camera with face identification record function

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2111814U (en) * 1992-01-06 1992-08-05 雷涛 Reset-type open spanner
US6336383B1 (en) * 2001-01-26 2002-01-08 Kun Chih Hung Wrench structure
KR20140044157A (en) * 2012-10-04 2014-04-14 포스코에너지 주식회사 Cleaning system of solar power receiver
CN109743479A (en) * 2018-12-27 2019-05-10 陈宇蓓 A kind of self-cleaning high speed monitoring camera
CN210414307U (en) * 2019-09-04 2020-04-28 青岛利浩金属制品有限公司 Positioning device for assembling automobile parts
CN114224242A (en) * 2021-12-23 2022-03-25 安徽商贸职业技术学院 Indoor ground and wall cleaning device for daily life
CN114979447A (en) * 2022-06-10 2022-08-30 高亚娟 Security protection camera with face identification record function

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