CN112861556A - Automatic discrimination method for entrance and exit of electric power safety tool in storehouse - Google Patents
Automatic discrimination method for entrance and exit of electric power safety tool in storehouse Download PDFInfo
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- CN112861556A CN112861556A CN202110138122.7A CN202110138122A CN112861556A CN 112861556 A CN112861556 A CN 112861556A CN 202110138122 A CN202110138122 A CN 202110138122A CN 112861556 A CN112861556 A CN 112861556A
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Abstract
An automatic discrimination method for the entrance and exit of an electric power safety tool in a warehouse belongs to the discrimination field of entrance and exit tools. The invention aims to solve the problems that the existing automatic discrimination tool for the warehouse entry and the warehouse exit often has recognition errors and has poor discrimination accuracy. According to the sequence of the safety tools sensed by the photoelectric sensor, the in-out direction is judged, then the RFID notepaper is read by the RFID reader and subjected to wave recording, the recorded wave data is processed to screen out non-static tags, the static tags are excluded, and the whole screening process is subjected to elimination screening through a software algorithm, so that the static tools are excluded, and the tools and tool types entering or exiting the warehouse are accurately identified. It is used for identifying the types and the number of tools entering and exiting the library.
Description
Technical Field
The invention relates to a tool discrimination method. It belongs to the field of warehouse entry and exit tool discrimination.
Background
In the power industry, each professional department frequently uses safety tools every day, and the safety tools and production work are inseparable. Meanwhile, relevant regulations require that the entry and exit of safety tools and instruments should be strictly recorded every time, and workers need to record the entry and exit when carrying out emergency switching operation, so that the working pressure of the workers is increased to a certain extent, and certain recording errors are inevitable in the recording process.
The automatic discrimination instrument of common electric power safety tool business turn over storehouse often appears the discernment mistake, because safety tool storehouse is less usually, and the equipment that the storehouse was put is generally nearer from the storehouse gate, and this detecting element that will cause the storehouse gate can directly detect the inside label of storehouse, when business turn over storehouse, can miss the ann utensil scanning on the storehouse goods shelves, causes the safe tool recognition mistake of the storehouse of cominging in and going out.
In a common method, a shielding room is generally additionally built at a warehouse entrance door, so that other tags cannot be detected when the entrance door is opened or closed.
Disclosure of Invention
The invention aims to solve the problems that the existing automatic discrimination tool for the warehouse entry and the warehouse exit often has recognition errors and has poor discrimination accuracy. An automatic determination method for the entry and exit of an electric power safety tool into and out of a warehouse is provided.
The method for automatically judging the entrance and exit of the electric power safety tool into and out of the storehouse comprises the following steps:
step 1, mounting a photoelectric sensor and an RFID reader on a door frame of a gate of a warehouse, and attaching an RFID label to each safety tool;
step 2, the photoelectric sensor detects that the photoelectric signal of the safety tool starts the RFID reader to sense the signal of the RFID label, and records the sensed signal intensity of each RFID label within a set time to obtain the recording amplitude data of each RFID label;
step 3, calculating the average value of the wave recording amplitude data of each RFID label obtained in the step 2, judging whether the average value is larger than a first set threshold value, if so, indicating that the RFID label is a label close to an RFID reader, retaining the wave recording amplitude data, and if not, indicating that the RFID label is a label far away from the RFID reader, discarding the wave recording amplitude data;
and 4, carrying out filtering smoothing treatment on the reserved wave recording amplitude data to obtain data after treatment of each RFID label, calculating the maximum slope of the data after treatment of each RFID label, judging whether the maximum slope is greater than a second set threshold value, if so, determining that the RFID label is a non-static label, obtaining the type of the safety tool entering or leaving the warehouse according to the non-static label, and if not, determining that the RFID label is a static label and abandoning.
Preferably, the method further comprises step 5:
and 5, 2 photoelectric sensors are arranged along the access direction, the direction of the safety tools to enter and exit the warehouse is determined according to the sequence of the photoelectric signals detected by the 2 photoelectric sensors, so that the warehouse entry or exit is determined, when the safety tools enter the warehouse, whether the RFID tags of the safety tools to enter the warehouse are one of all the RFID tags of the warehouse stored inside is judged, and if the safety tools to enter the warehouse are tools in the warehouse in the step 4, the judgment is made.
Preferably, step 4 further comprises:
and obtaining the number of the safety tools entering or leaving the warehouse according to the number of the non-static labels.
Preferably, the horizontal pitch of the 2 photosensors is set to 10cm or less.
Preferably, in step 2, the set time is 10 s.
The invention has the beneficial effects that:
according to the automatic distinguishing method for the electrical safety tools to enter and exit the storehouse, the photoelectric sensors are arranged on the inner side and the outer side of a door of the storehouse, the entering and exiting directions are judged according to the sequence of the safety tools sensed by the photoelectric sensors, then the RFID notepaper is read by the RFID reader and subjected to wave recording, wave recording data are processed to screen out non-static labels, the static labels are excluded, the whole screening process is subjected to rejection and screening through a software algorithm, so that static tools are excluded, and tools entering or exiting the storehouse and tool types are accurately identified. The judgment method for the safety tool to enter or exit the warehouse is simple, the cost is low, and the judgment result is accurate.
The method and the device have the advantages that the electronic management of the electric power safety tool assets is realized, the management efficiency is improved, the recording pressure of workers is reduced to a great extent, and the recording accuracy is effectively guaranteed.
The intelligent management system for the safety tool is used for managing the safety tool and the safety use state of the tool and the safety tool, can reasonably control inventory and can also be regulated and controlled in a planned way. The defects of tool management by adopting a two-dimensional bar code identification mode for the safety tool in and out of a warehouse are overcome, for example, along with the increase of the types and the quantity of tools, especially the rising of a strong intelligent power grid, higher requirements are provided for the field management of safety tools and tools which are one of electric power basic elements and the use safety of the tools, the traditional tool identification mode cannot meet the requirements of batch, dynamic and flexible field operation characteristics, and bar code labels are easy to wear and wet.
According to the application, the RFID reader is installed at the position of the warehouse gate, the RFID label is pasted on each safety tool, and the photoelectric sensors for detecting the electric safety tools are installed on the inner side and the outer side of the warehouse gate respectively. The intelligent system is used for carrying out electronic record management, tracking the safe use state of the tools and the instruments, reasonably controlling the inventory and carrying out planned regulation and control on the test of the tools and the instruments. The automatic identification system has the advantages of simple structure, convenience in use, capability of meeting batch and dynamic non-contact identification real-time tracking management of electric power tools and instruments, capability of achieving the purpose of automatically identifying the tools and the personnel, and simple structure and convenience in use.
Drawings
Fig. 1 is a flowchart of an automatic determination method for entry and exit of an electric power safety tool into and out of a warehouse.
Detailed Description
The first embodiment is as follows: the present embodiment will be described with reference to fig. 1, and the method for automatically determining entry/exit of an electric safety tool into/from a warehouse according to the present embodiment includes the following steps:
step 1, mounting a photoelectric sensor and an RFID reader on a door frame of a gate of a warehouse, and attaching an RFID label to each safety tool;
step 2, the photoelectric sensor detects that the photoelectric signal of the safety tool starts the RFID reader to sense the signal of the RFID label, and records the sensed signal intensity of each RFID label within a set time to obtain the recording amplitude data of each RFID label;
step 3, calculating the average value of the wave recording amplitude data of each RFID label obtained in the step 2, judging whether the average value is larger than a first set threshold value, if so, indicating that the RFID label is a label close to an RFID reader, retaining the wave recording amplitude data, and if not, indicating that the RFID label is a label far away from the RFID reader, discarding the wave recording amplitude data;
and 4, carrying out filtering smoothing treatment on the reserved wave recording amplitude data to obtain data after treatment of each RFID label, calculating the maximum slope of the data after treatment of each RFID label, judging whether the maximum slope is greater than a second set threshold value, if so, determining that the RFID label is a non-static label, obtaining the type of the safety tool entering or leaving the warehouse according to the non-static label, and if not, determining that the RFID label is a static label and abandoning.
In the embodiment, an RFID reader is installed at a warehouse gate, an RFID tag is attached to each safety tool, and photoelectric sensors for detecting electric safety tools are installed on the inner side and the outer side of the warehouse gate respectively.
When any photoelectric sensor detects a photoelectric signal, an RFID reader is started to read the sensed RFID tags (one or more tags may be sensed simultaneously), the signal intensity of the sensed RFID tags is recorded by taking the tags as a unit, the annular cache area is used for storing the recording data, and the recording data in the latest set time period is stored; the set period of time is set to at least 10 s. The recording function is to discharge the labels far away from the reader, for example, some labels are located in the range of the reader, but are still and are also scanned by the reader, at this time, the recording data are used to discharge the labels far away from the reader, the maximum slope is further utilized to judge whether the labels are really still, if the labels are still, the labels are discarded, and if the labels are still, the labels are tools to be delivered or stored.
The second embodiment is as follows: in this embodiment, the method for automatically determining entry and exit of an electric safety tool into and out of a warehouse according to the first embodiment further includes the step 5:
and 5, 2 photoelectric sensors are arranged along the access direction, the direction of the safety tools to enter and exit the warehouse is determined according to the sequence of the photoelectric signals detected by the 2 photoelectric sensors, so that the warehouse entry or exit is determined, when the safety tools enter the warehouse, whether the RFID tags of the safety tools to enter the warehouse are one of all the RFID tags of the warehouse stored inside is judged, and if the safety tools to enter the warehouse are tools in the warehouse in the step 4, the judgment is made.
In this embodiment, when the safety tool passes through the door of the warehouse, the photoelectric sensors on both sides of the door of the warehouse detect photoelectric signals, and the direction of the safety tool entering and exiting the warehouse is determined according to the sequence of the photoelectric signals detected by the two photoelectric sensors, when the two photoelectric sensors on the door of the warehouse detect the photoelectric signals from the inner side to the outer side, it indicates that the safety tool is performing the action of leaving the warehouse, and when the two photoelectric sensors on the door of the warehouse detect the photoelectric signals from the outer side to the inner side, it indicates that the safety tool is performing the action of entering the warehouse.
The method and the device can obtain the direction of the corresponding safety tool to enter and exit the warehouse, the information recorded on the RFID label of the safety tool and the number of the safety tools to enter and exit the warehouse.
The third concrete implementation mode: in this embodiment, the method for automatically determining entry and exit of an electric power safety tool into and out of a warehouse according to the first embodiment further includes, in step 4:
and obtaining the number of the safety tools entering or leaving the warehouse according to the number of the non-static labels.
The fourth concrete implementation mode: in the present embodiment, the horizontal pitch of 2 photoelectric sensors is set to 10cm or less in the method for automatically determining entry and exit of an electric power safety tool into and out of a warehouse according to the second embodiment.
In this embodiment, if the installation distance between the two photoelectric sensors is too large, it may happen that when the safety tool enters or exits the warehouse, only one of the photoelectric sensors is blocked to complete the entry/exit movement, that is, only one of the photoelectric sensors senses the signal, and the other photoelectric sensor does not sense the signal, so that the two photoelectric sensors lose the due detection function in the application, and therefore, the horizontal distance between the two photoelectric sensors is preferably set to be 10cm or less.
The fifth concrete implementation mode: in the present embodiment, the method for automatically determining entry and exit of an electric power safety tool into and out of a warehouse according to the first embodiment is provided, and in step 2, the set time is 10 seconds.
Claims (5)
1. The method for automatically judging the entrance and exit of the electric power safety tool into and out of the storehouse is characterized by comprising the following steps:
step 1, mounting a photoelectric sensor and an RFID reader on a door frame of a gate of a warehouse, and attaching an RFID label to each safety tool;
step 2, the photoelectric sensor detects that the photoelectric signal of the safety tool starts the RFID reader to sense the signal of the RFID label, and records the sensed signal intensity of each RFID label within a set time to obtain the recording amplitude data of each RFID label;
step 3, calculating the average value of the wave recording amplitude data of each RFID label obtained in the step 2, judging whether the average value is larger than a first set threshold value, if so, indicating that the RFID label is a label close to an RFID reader, retaining the wave recording amplitude data, and if not, indicating that the RFID label is a label far away from the RFID reader, discarding the wave recording amplitude data;
and 4, carrying out filtering smoothing treatment on the reserved wave recording amplitude data to obtain data after treatment of each RFID label, calculating the maximum slope of the data after treatment of each RFID label, judging whether the maximum slope is greater than a second set threshold value, if so, determining that the RFID label is a non-static label, obtaining the type of the safety tool entering or leaving the warehouse according to the non-static label, and if not, determining that the RFID label is a static label and abandoning.
2. The method for automatically determining entry/exit of an electric power safety tool into/from a warehouse according to claim 1, further comprising the step 5 of:
and 5, 2 photoelectric sensors are arranged along the access direction, the direction of the safety tools to enter and exit the warehouse is determined according to the sequence of the photoelectric signals detected by the 2 photoelectric sensors, so that the warehouse entry or exit is determined, when the safety tools enter the warehouse, whether the RFID tags of the safety tools to enter the warehouse are one of all the RFID tags of the warehouse stored inside is judged, and if the safety tools to enter the warehouse are tools in the warehouse in the step 4, the judgment is made.
3. The method for automatically determining entry/exit of an electric power safety tool into/from a warehouse according to claim 1, wherein the step 4 further includes:
and obtaining the number of the safety tools entering or leaving the warehouse according to the number of the non-static labels.
4. The method for automatically determining entry/exit of an electric power safety tool into/from a warehouse according to claim 2, wherein a horizontal pitch of 2 photoelectric sensors is set to 10cm or less.
5. The method for automatically determining entry/exit of an electric power safety tool into/from a warehouse according to claim 1, wherein the set time in step 2 is 10 seconds.
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| CN202110138122.7A CN112861556A (en) | 2021-02-01 | 2021-02-01 | Automatic discrimination method for entrance and exit of electric power safety tool in storehouse |
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| CN202110138122.7A CN112861556A (en) | 2021-02-01 | 2021-02-01 | Automatic discrimination method for entrance and exit of electric power safety tool in storehouse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114269002A (en) * | 2022-02-24 | 2022-04-01 | 深圳市沃达孚科技有限公司 | Monitoring management method for equipment tools in power industry |
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| CN108805232A (en) * | 2018-05-02 | 2018-11-13 | 国网福建省电力有限公司漳州供电公司 | Electric-power safe instruments pass in and out the automatic distinguishing method of storehouse |
| CN109902782A (en) * | 2019-02-27 | 2019-06-18 | 贵州超能科技有限公司 | A kind of management system and method for electric-power safe instruments disengaging storehouse |
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- 2021-02-01 CN CN202110138122.7A patent/CN112861556A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103366205A (en) * | 2013-07-31 | 2013-10-23 | 昆山信德佳电气科技有限公司 | Management method for warehousing-in and warehousing-out of electric power security instrument |
| CN108805232A (en) * | 2018-05-02 | 2018-11-13 | 国网福建省电力有限公司漳州供电公司 | Electric-power safe instruments pass in and out the automatic distinguishing method of storehouse |
| CN109902782A (en) * | 2019-02-27 | 2019-06-18 | 贵州超能科技有限公司 | A kind of management system and method for electric-power safe instruments disengaging storehouse |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114269002A (en) * | 2022-02-24 | 2022-04-01 | 深圳市沃达孚科技有限公司 | Monitoring management method for equipment tools in power industry |
| CN114269002B (en) * | 2022-02-24 | 2022-06-24 | 深圳市沃达孚科技有限公司 | Monitoring management method for equipment tools in power industry |
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