CN108460857B - 便于学生操作的教室管理终端 - Google Patents
便于学生操作的教室管理终端 Download PDFInfo
- Publication number
- CN108460857B CN108460857B CN201810541568.2A CN201810541568A CN108460857B CN 108460857 B CN108460857 B CN 108460857B CN 201810541568 A CN201810541568 A CN 201810541568A CN 108460857 B CN108460857 B CN 108460857B
- Authority
- CN
- China
- Prior art keywords
- control module
- module
- hollow cylinder
- shell
- diode
- 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.)
- Active
Links
- 239000000428 dust Substances 0.000 claims abstract description 52
- 238000001514 detection method Methods 0.000 claims abstract description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 28
- 229910052742 iron Inorganic materials 0.000 claims description 14
- 230000001681 protective effect Effects 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 230000005489 elastic deformation Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 230000001788 irregular Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/06—Electromagnets; Actuators including electromagnets
- H01F7/064—Circuit arrangements for actuating electromagnets
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C1/00—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people
- G07C1/10—Registering, indicating or recording the time of events or elapsed time, e.g. time-recorders for work people together with the recording, indicating or registering of other data, e.g. of signs of identity
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/03—Covers
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- General Physics & Mathematics (AREA)
- Electrically Operated Instructional Devices (AREA)
- Drawing Aids And Blackboards (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810541568.2A CN108460857B (zh) | 2018-05-30 | 2018-05-30 | 便于学生操作的教室管理终端 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810541568.2A CN108460857B (zh) | 2018-05-30 | 2018-05-30 | 便于学生操作的教室管理终端 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108460857A CN108460857A (zh) | 2018-08-28 |
CN108460857B true CN108460857B (zh) | 2024-06-11 |
Family
ID=63216022
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810541568.2A Active CN108460857B (zh) | 2018-05-30 | 2018-05-30 | 便于学生操作的教室管理终端 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108460857B (zh) |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204340479U (zh) * | 2015-01-07 | 2015-05-20 | 宋志昊 | 一体式过滤吸尘黑板 |
CN204808449U (zh) * | 2015-07-10 | 2015-11-25 | 山东艾威尔信息科技有限公司 | 一种门禁控制器 |
CN204970070U (zh) * | 2015-09-30 | 2016-01-20 | 渤海大学 | 一种可移动式英语教学用讲桌 |
CN206400656U (zh) * | 2016-08-31 | 2017-08-11 | 安绍强 | 一种高等教育管理用人员识别装置 |
CN206493763U (zh) * | 2017-01-13 | 2017-09-15 | 山东外事翻译职业学院 | 一种英语教学用黑板 |
CN206649875U (zh) * | 2017-04-25 | 2017-11-17 | 赵丽 | 一种经济管理信息循环演示板 |
CN207249756U (zh) * | 2017-10-11 | 2018-04-17 | 安徽筑园信息科技有限公司 | 一种基于物联网的建筑工地用人脸识别考勤机 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8656547B2 (en) * | 2010-10-07 | 2014-02-25 | Iwan Simonis Incorporated | Billiards chalk dust removal tool |
-
2018
- 2018-05-30 CN CN201810541568.2A patent/CN108460857B/zh active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN204340479U (zh) * | 2015-01-07 | 2015-05-20 | 宋志昊 | 一体式过滤吸尘黑板 |
CN204808449U (zh) * | 2015-07-10 | 2015-11-25 | 山东艾威尔信息科技有限公司 | 一种门禁控制器 |
CN204970070U (zh) * | 2015-09-30 | 2016-01-20 | 渤海大学 | 一种可移动式英语教学用讲桌 |
CN206400656U (zh) * | 2016-08-31 | 2017-08-11 | 安绍强 | 一种高等教育管理用人员识别装置 |
CN206493763U (zh) * | 2017-01-13 | 2017-09-15 | 山东外事翻译职业学院 | 一种英语教学用黑板 |
CN206649875U (zh) * | 2017-04-25 | 2017-11-17 | 赵丽 | 一种经济管理信息循环演示板 |
CN207249756U (zh) * | 2017-10-11 | 2018-04-17 | 安徽筑园信息科技有限公司 | 一种基于物联网的建筑工地用人脸识别考勤机 |
Also Published As
Publication number | Publication date |
---|---|
CN108460857A (zh) | 2018-08-28 |
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SE01 | Entry into force of request for substantive examination | ||
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TA01 | Transfer of patent application right |
Effective date of registration: 20191202 Address after: Xiangyu Street Airport Development Zone Road 401120 Chongqing city Yubei District Shuangfeng Bridge No. 15 Building 2 Applicant after: Chongqing Bochuang Intellectual Property Operations Co.,Ltd. Address before: 400039 21-5-2, Shiyang Road, Shiqiaopu, Kowloon Po, Chongqing. Applicant before: CHONGQING SHENGCHUANRONG TECHNOLOGY Co.,Ltd. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20240516 Address after: 210000 Building 1, juhuiyuan, phase II, Xuzhuang high tech Zone, 108 Xuanwu Avenue, Xuanwu District, Nanjing City, Jiangsu Province Applicant after: Nanjing Light and Shadow Times Digital Technology Co.,Ltd. Country or region after: China Address before: 401120 Yubei District, Chongqing Shuangfeng bridge airport development zone, Xiangyu Road, No. 15, 2. Applicant before: Chongqing Bochuang Intellectual Property Operations Co.,Ltd. Country or region before: China |
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GR01 | Patent grant |