CN117275111A - Method for non-inductive card punching of safety helmet based on satellite positioning - Google Patents
Method for non-inductive card punching of safety helmet based on satellite positioning Download PDFInfo
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- CN117275111A CN117275111A CN202311565953.8A CN202311565953A CN117275111A CN 117275111 A CN117275111 A CN 117275111A CN 202311565953 A CN202311565953 A CN 202311565953A CN 117275111 A CN117275111 A CN 117275111A
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- 238000004080 punching Methods 0.000 title claims abstract description 79
- 238000000034 method Methods 0.000 title claims abstract description 24
- 230000001939 inductive effect Effects 0.000 title claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 7
- 230000001133 acceleration Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001965 increasing effect Effects 0.000 claims description 3
- 230000003068 static effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/50—Network services
- H04L67/52—Network services specially adapted for the location of the user terminal
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Computing Systems (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a method for non-inductive card punching of a safety helmet based on satellite positioning, which comprises the following steps: cloud management platform, cloud server, electronic fence management platform, card subassembly, cloud rule engine and safety helmet, the safety helmet is embedded to be equipped with location chip, communication module and electronic tags. According to the invention, the network electronic fence area is arranged in the office area, and the positioning chip on the safety helmet is matched, so that the noninductive card punching is realized, the condition that the card punching is omitted in the operation flow of workers is reduced, the enterprises do not need to additionally purchase fixed card punching equipment, the cost is reduced, and the cloud rule engine is used for processing data, so that the conditions of passive work idle, early withdrawal and the like of the workers can be avoided.
Description
Technical Field
The disclosure relates to the technical field of card punching management, in particular to a method for non-inductive card punching of a safety helmet based on satellite positioning.
Background
The existing card punching method comprises a mode of punching cards before reaching the appointed equipment, such as fingerprint card punching, face recognition card punching and the like, or a mode of punching cards through a network by software; however, these punching methods are not suitable for construction sites, workers on the construction sites are not fixed in shifts, the above punching methods are inconvenient to count, and the equipment for realizing non-inductive punching is also provided, so that the positioning function has a larger power consumption requirement on the handheld/wearable equipment by equipment positioning and uploading positioning update data in real time, and the high-density and continuous positioning data reporting cannot be met under the existing conditions.
Disclosure of Invention
The disclosure provides a satellite positioning-based method for non-inductive card punching of a helmet, which aims to solve one of the technical problems recognized by the inventor.
The disclosure provides a satellite positioning-based method for non-inductive card punching of a helmet, comprising the following steps: cloud management platform, high in the clouds server, electronic fence management platform, card subassembly, cloud rule engine and safety helmet, the safety helmet is embedded to be equipped with location chip, communication module and electronic tags, data transmission between safety helmet and the high in the clouds management platform is through the high in the clouds server to transfer, includes following step:
A. a unique user ID is set for the safety helmet through the electronic tag;
B. setting at least one network electronic fence area through an electronic fence management platform;
C. starting the safety helmet, and detecting whether the safety helmet triggers card punching;
D. setting attendance group data for the safety helmets with different user IDs through the card punching assembly, and sending the attendance group data to the safety helmets;
E. the safety helmet uploads the attendance data to the cloud management platform through the communication module at the appointed time;
F. the cloud rule engine processes the data uploaded by the safety helmet;
G. outputting card punching result data to a cloud management platform;
H. synchronously calling the attendance data of the safety helmet for secondary display.
Preferably, the step of determining triggering and punching the card by the safety helmet in the step C is as follows:
s1, checking that the current wearing member of the current safety helmet is not empty, and executing S2, otherwise, not executing;
s2, calling attendance group data of the card punching assembly after the first wearing member is added to the safety helmet, otherwise, executing S3;
s3, reporting and calling attendance group data of the card punching assembly every time the safety helmet has a starting action, otherwise, executing S4;
s4, calling attendance group data of the card punching assembly after the current wearing member of the safety helmet is replaced, otherwise, executing S5;
s5, judging whether the device is in an on-line state after the current day exceeds 6 a.m. or not, and calling attendance group data if the device is required to be punched in the current day;
and when the S2, the S3, the S4 and the S5 are all in accordance, sending attendance group data to the safety helmet through the cloud management platform.
Preferably, the attendance group data comprises a user ID and a card punching time.
Preferably, if the time of punching does not involve crossing days, each time point of the time period is converted into yyyy-mm-dd, and hh: MM-HH: MM format; and if the time of punching the card relates to the cross-day, increasing the time days of punching the card for the cross-day by one day.
Preferably, the step of processing the data uploaded by the cloud rule engine in the step F to the helmet includes:
s1, sending card punching data of a safety helmet to a cloud rule engine through a cloud management platform;
s2, judging whether the safety helmet is in the network electronic fence area according to the positioning data and the card punching time, and calculating the residence time of personnel wearing the safety helmet in/out of the network electronic fence area;
and S3, sending the counted card punching data of the safety helmet wearing personnel to a manager or a wearing user.
Preferably, in the step D, if the sending of the attendance group data fails, the cloud management platform displays "data is not synchronized", and manually clicks "continue synchronization", if successful, the next step is performed, and if unsuccessful, the operation of manually clicking "continue synchronization" is repeated.
Preferably, a human body detection sensor is embedded in the inner side of the safety helmet, and the human body detection sensor is used for detecting whether the safety helmet is worn.
Preferably, the safety helmet is embedded with an acceleration sensor and a static sensor.
Preferably, the safety helmet is embedded with a loudspeaker.
Preferably, the communication module adopts an MQTT protocol.
Preferably, the positioning chip is a GPS positioning chip.
The beneficial effects of the present disclosure mainly lie in: according to the invention, the network electronic fence area is arranged in the office area, and the positioning chip on the safety helmet is matched, so that the noninductive card punching is realized, the condition that the card punching is omitted in the operation flow of workers is reduced, the enterprises do not need to additionally purchase fixed card punching equipment, the cost is reduced, and the cloud rule engine is used for processing data, so that the conditions of passive work idle, early withdrawal and the like of the workers can be avoided.
According to the invention, the attendance group data is set, and the safety helmet transmits the data in a specified time period, so that compared with the existing noninductive card punching equipment for reporting high-density and continuous positioning data, the consumption of battery power can be effectively reduced.
It is to be understood that both the foregoing general description and the following detailed description are for purposes of example and explanation and are not necessarily limiting of the disclosure. The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate the subject matter of the present disclosure. Meanwhile, the description and drawings are used to explain the principles of the present disclosure.
Drawings
In order to more clearly illustrate the embodiments of the present disclosure or the prior art, the drawings that are required in the detailed description or the prior art will be briefly described, it will be apparent that the drawings in the following description are some embodiments of the present disclosure, and other drawings may be obtained according to the drawings without inventive effort for a person of ordinary skill in the art.
FIG. 1 is a flow chart of a non-inductive punching method according to an embodiment of the disclosure;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A in accordance with an embodiment of the present disclosure;
FIG. 3 is an enlarged view of a portion of FIG. 1 at B in accordance with an embodiment of the present disclosure;
FIG. 4 is an enlarged view of a portion of FIG. 1 at C in accordance with an embodiment of the present disclosure;
Detailed Description
The following description of the embodiments of the present disclosure will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all, of the embodiments of the present disclosure.
Based on the embodiments in this disclosure, all other embodiments that a person of ordinary skill in the art would obtain without making any inventive effort are within the scope of protection of this disclosure.
In the description of the present disclosure, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present disclosure. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present disclosure, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art in the specific context.
Examples
As shown in fig. 1-4, the embodiment provides a method for sensorless card punching of a helmet based on satellite positioning, which comprises a cloud management platform, a cloud server, an electronic fence management platform, a card punching component, a cloud rule engine and the helmet, wherein a positioning chip, a communication module and an electronic tag are embedded in the helmet, a manager is connected with the cloud management platform through background equipment to check and monitor attendance of the worker, data transmission between the helmet and the cloud management platform is transferred through the cloud server, and the electronic fence management platform supports a planar area drawing editor based on WGS84 or GCJ02 map standards and supports multi-area set drawing and packaging; the cloud rule engine can judge whether the cloud rule engine is in the drawn electronic fence area or not according to the positioning of the safety helmet and calculate the time length of entering/leaving the electronic fence area, and the method comprises the following steps:
A. a unique user ID is set for the safety helmet through the electronic tag;
B. setting at least one network electronic fence area through an electronic fence management platform;
C. starting the safety helmet, and detecting whether the safety helmet triggers card punching;
D. setting attendance group data for the safety helmets with different user IDs through the card punching assembly, and sending the attendance group data to the safety helmets;
E. the safety helmet uploads the attendance data to the cloud management platform through the communication module at the appointed time;
F. the cloud rule engine processes the data uploaded by the safety helmet;
G. outputting card punching result data to a cloud management platform;
H. synchronously calling the attendance data of the safety helmet for secondary display.
Specifically, the step of judging the triggering and punching of the safety helmet in the step C is as follows:
s1, checking that the current wearing member of the current safety helmet is not empty, and executing S2, otherwise, not executing;
s2, calling attendance group data of the card punching assembly after the first wearing member is added to the safety helmet, otherwise, executing S3;
s3, reporting and calling attendance group data of the card punching assembly every time the safety helmet has a starting action, otherwise, executing S4;
s4, calling attendance group data of the card punching assembly after the current wearing member of the safety helmet is replaced, otherwise, executing S5;
s5, judging whether the device is in an on-line state after the current day exceeds 6 a.m. or not, and calling attendance group data if the device is required to be punched in the current day;
and when the S2, the S3, the S4 and the S5 are all in accordance, sending attendance group data to the safety helmet through the cloud management platform.
It should be noted that when the currently worn member of the helmet is empty, the card punching data request is not executed; the same user ID under the same equipment is recommended to only request 1 time in one day to reduce the request pressure on the card punching module, and the card punching shift needs to be cached for display before the expiration of the round of shift, and the card punching is not displayed after the last card punching time is exceeded; the attendance checking and card punching are effective for the safety helmet card punching editing mechanism the next day, so that the problem that the data requested today changes in the same day does not occur.
Specifically, the attendance group data includes a user ID and a punch time.
If the time of punching the card does not relate to cross days, converting each time point of the time period into yyyy-MM-dd; and the time of punching the card is 10 minutes before and after the default, and if the time of punching the card is related to the cross-day, the time days of punching the card in the cross-day are increased by one day.
For example, a shift request of 1/01 three returns a result of 13:00-15:00,17:00-20:00,22:00-02:00 days, then translates into the following format:
2023/01/01 12:50-13:10
2023/01/01 14:50-15:10
2023/01/01 16:50-17:10
2023/01/01 19:50-20:10
2023/01/01 21:50-22:10
2023/01/02 01:50-02:10
it should be noted that, when there is only 1 shift, the rest time needs to be returned for judging the activity rule; in a plurality of shifts, the cloud management platform is required to automatically calculate the non-working time for judging related business of the activity rule 'rest time'; there is a need to display the attendance information of the current day of wearing member at the device settings (activity rules & attendance reminder).
Specifically, the step of processing the data uploaded by the cloud rule engine in the step F to the safety helmet is as follows:
s1, sending card punching data of a safety helmet to a cloud rule engine through a cloud management platform;
s2, judging whether the safety helmet is in the network electronic fence area according to the positioning data and the card punching time, and calculating the residence time of personnel wearing the safety helmet in/out of the network electronic fence area;
and S3, sending the counted card punching data of the safety helmet wearing personnel to a manager or a wearing user.
Specifically, in the step D, if the sending of the attendance group data fails, the cloud management platform displays "data is not synchronized", and manually clicks "continue synchronization", if successful, the next step is performed, and if unsuccessful, the operation of manually clicking "continue synchronization" is repeated. If the attendance group data is failed to be sent, the attendance group data can be manually processed through the cloud management platform, so that the situation that attendance cannot be checked is avoided.
Further, a human body detection sensor is embedded in the inner side of the safety helmet, and the human body detection sensor is used for detecting whether the safety helmet is worn. The human body detection sensor is an infrared sensor, when the safety helmet is not worn by a person, the infrared sensor in the safety helmet is communicated with signals, the safety helmet is judged to be in an unmanned wearing state, when the safety helmet is worn by a worker, the head of the worker is isolated from the signals of the infrared sensor, the worker is judged to be in the wearing state, whether the safety helmet is in the wearing state or not can be detected through the sensor, the timed time and positioning data are combined to be sent to the cloud management platform, and a background manager can judge whether the worker takes off the safety helmet in a working area according to data information.
Furthermore, the safety helmet is embedded with an acceleration sensor and an electrostatic sensor. Through acceleration sensor, can detect the motion state of wearing the personnel of safety helmet, if be in static state for a long time, backstage manager can look over the state of staff to know it, perhaps if acceleration sensor detects the safety helmet and moves fast, then send alarm information to high in the clouds management platform, backstage manager should in time go to know whether the staff takes place safety problem such as fall. The electrostatic sensor is used for detecting whether the region near the safety helmet has strong electricity, and if the worker is located in the strong electricity region, the cloud management platform sends warning information to the safety helmet to prompt the worker to keep away from.
Further, the safety helmet is embedded to be equipped with loudspeaker, and high in the clouds management platform can be through sending information to the safety helmet, through loudspeaker report appointed voice message, for example: if the staff leaves the network electronic fence area in the working time, the staff is reported to prompt the staff in early-stage moving, or the staff is detected to be stationary or move rapidly for a long time, inquiry information is reported, and if the staff approaches to the strong current area, warning information and the like are reported.
Specifically, the communication module adopts an MQTT protocol. The MQTT protocol is a message protocol based on the publish/subscribe paradigm under the ISO standard (ISO/IEC PRF 20922). It works on the TCP/IP protocol family and is a publish/subscribe message protocol designed for remote devices with low hardware performance and in poor network conditions.
It should be noted that, although the MQTT protocol is used in this embodiment, it is also possible to use http/https/udp/tcp/sockets, etc. as an alternative, and the use of the MQTT protocol is also included in the scope of protection of the present application.
Specifically, the positioning chip is a GPS positioning chip. And detecting the real-time positioning of the safety helmet through satellite positioning.
It should be noted that although satellite positioning is used in this embodiment, positioning by bluetooth, UWB, RFID, etc. may be used to improve positioning accuracy and reduce power consumption of the device.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present disclosure, and not for limiting the same; although the present disclosure has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present disclosure.
Claims (9)
1. A method for non-inductive card punching of a helmet based on satellite positioning, which is characterized by comprising the following steps: cloud management platform, high in the clouds server, electronic fence management platform, card subassembly, cloud rule engine and safety helmet, the safety helmet is embedded to be equipped with location chip, communication module and electronic tags, data transmission between safety helmet and the high in the clouds management platform is through the high in the clouds server to transfer, includes following step:
A. a unique user ID is set for the safety helmet through the electronic tag;
B. setting at least one network electronic fence area through an electronic fence management platform;
C. starting the safety helmet, and detecting whether the safety helmet triggers card punching;
D. setting attendance group data for the safety helmets with different user IDs through the card punching assembly, and sending the attendance group data to the safety helmets;
E. the safety helmet uploads the attendance data to the cloud management platform through the communication module at the appointed time;
F. the cloud rule engine processes the data uploaded by the safety helmet;
G. outputting card punching result data to a cloud management platform;
H. synchronously calling the attendance data of the safety helmet for secondary display;
the step C of judging the triggering and punching of the safety helmet is as follows:
s1, checking that the current wearing member of the current safety helmet is not empty, and executing S2, otherwise, not executing;
s2, calling attendance group data of the card punching assembly after the first wearing member is added to the safety helmet, otherwise, executing S3;
s3, reporting and calling attendance group data of the card punching assembly every time the safety helmet has a starting action, otherwise, executing S4;
s4, calling attendance group data of the card punching assembly after the current wearing member of the safety helmet is replaced, otherwise, executing S5;
s5, judging whether the device is in an on-line state after the current day exceeds 6 a.m. or not, and calling attendance group data if the device is required to be punched in the current day;
and when the S2, the S3, the S4 and the S5 are all in accordance, sending attendance group data to the safety helmet through the cloud management platform.
2. The method for sensorless security cap punching based on satellite positioning of claim 1, wherein the attendance group data includes user ID and punching time.
3. The method for sensorless punching of a helmet based on satellite positioning according to claim 2, wherein if the punching time does not relate to a cross day, each time point of the time period is converted into yyyy-mm-dd, hh: MM-HH: MM format; and if the time of punching the card relates to the cross-day, increasing the time days of punching the card for the cross-day by one day.
4. The method for sensorless crash of a helmet based on satellite positioning according to claim 1, wherein the step F of processing the data uploaded by the helmet by the cloud rule engine comprises the steps of:
s1, sending card punching data of a safety helmet to a cloud rule engine through a cloud management platform;
s2, judging whether the safety helmet is in the network electronic fence area according to the positioning data and the card punching time, and calculating the residence time of personnel wearing the safety helmet in/out of the network electronic fence area;
and S3, sending the counted card punching data of the safety helmet wearing personnel to a manager or a wearing user.
5. The method for sensorless punching of a helmet according to claim 1, wherein in the step D, if the sending of the attendance group data fails, the cloud management platform displays "data is not synchronized", and manually clicks "continue synchronization", and if successful, the next step is performed, and if unsuccessful, the manual clicking "continue synchronization" operation is repeated.
6. The method for sensorless punching of a helmet based on satellite positioning according to claim 1, wherein a human body detection sensor is embedded in the inner side of the helmet, and the human body detection sensor is used for detecting whether the helmet is worn.
7. The method for sensorless crash of a helmet based on satellite positioning according to claim 1, wherein the helmet is embedded with an acceleration sensor and a static sensor.
8. The method for sensorless crash of a helmet based on satellite positioning according to claim 1, wherein a horn is embedded in the helmet.
9. The method for sensorless crash of a helmet based on satellite positioning of claim 1 wherein the positioning chip is a GPS positioning chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311565953.8A CN117275111A (en) | 2023-11-22 | 2023-11-22 | Method for non-inductive card punching of safety helmet based on satellite positioning |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311565953.8A CN117275111A (en) | 2023-11-22 | 2023-11-22 | Method for non-inductive card punching of safety helmet based on satellite positioning |
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| Publication Number | Publication Date |
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| CN117275111A true CN117275111A (en) | 2023-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311565953.8A Pending CN117275111A (en) | 2023-11-22 | 2023-11-22 | Method for non-inductive card punching of safety helmet based on satellite positioning |
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| CN (1) | CN117275111A (en) |
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| CN106780816A (en) * | 2017-01-16 | 2017-05-31 | 北京恒华伟业科技股份有限公司 | A kind of work attendance punch card method and device |
| CN207164836U (en) * | 2017-09-30 | 2018-03-30 | 四川民工加网络科技有限公司 | A kind of noninductive equipment of checking card based on building trade |
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| CN115497185A (en) * | 2022-07-27 | 2022-12-20 | 保利长大工程有限公司 | Attendance checking method based on intelligent safety helmet and electronic fence |
| CN117273679A (en) * | 2023-10-09 | 2023-12-22 | 深圳市恒天吉科技技术发展有限公司 | Real-name management method for constructors on large building site |
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2023
- 2023-11-22 CN CN202311565953.8A patent/CN117275111A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106780816A (en) * | 2017-01-16 | 2017-05-31 | 北京恒华伟业科技股份有限公司 | A kind of work attendance punch card method and device |
| CN207164836U (en) * | 2017-09-30 | 2018-03-30 | 四川民工加网络科技有限公司 | A kind of noninductive equipment of checking card based on building trade |
| CN111341069A (en) * | 2020-03-12 | 2020-06-26 | 兰笺(苏州)科技有限公司 | Wisdom building site personnel safety real-time monitoring system |
| CN115099642A (en) * | 2022-06-29 | 2022-09-23 | 北京斗米优聘科技发展有限公司 | Recruitment management method and system |
| CN115497185A (en) * | 2022-07-27 | 2022-12-20 | 保利长大工程有限公司 | Attendance checking method based on intelligent safety helmet and electronic fence |
| CN117273679A (en) * | 2023-10-09 | 2023-12-22 | 深圳市恒天吉科技技术发展有限公司 | Real-name management method for constructors on large building site |
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