CN114189805A - Wafer packaging factory equipment positioning system - Google Patents
Wafer packaging factory equipment positioning system Download PDFInfo
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- CN114189805A CN114189805A CN202111496341.9A CN202111496341A CN114189805A CN 114189805 A CN114189805 A CN 114189805A CN 202111496341 A CN202111496341 A CN 202111496341A CN 114189805 A CN114189805 A CN 114189805A
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- 238000004806 packaging method and process Methods 0.000 title claims abstract description 41
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000737 periodic effect Effects 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000004807 localization Effects 0.000 description 4
- 239000000523 sample Substances 0.000 description 4
- QVFWZNCVPCJQOP-UHFFFAOYSA-N chloralodol Chemical compound CC(O)(C)CC(C)OC(O)C(Cl)(Cl)Cl QVFWZNCVPCJQOP-UHFFFAOYSA-N 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 241001178520 Stomatepia mongo Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000013100 final test Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/023—Services making use of location information using mutual or relative location information between multiple location based services [LBS] targets or of distance thresholds
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/025—Services making use of location information using location based information parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Abstract
The utility model provides a wafer packaging factory equipment positioning system, is including locating a plurality of location basic stations in wafer packaging factory, being fixed in respectively a plurality of location boxes, the server on the equipment of being located of a plurality of location in wafer packaging factory and locating the unauthorized frequency channel network in wafer packaging factory, a plurality of location basic stations and server access unauthorized frequency channel network, the location box passes through the location basic station and inserts unauthorized frequency channel network. The invention can effectively position the equipment of the wafer packaging factory, is beneficial to better managing the equipment and improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of positioning, and particularly relates to a wafer packaging factory equipment positioning system.
Background
For a wafer packaging factory, signals such as 2G, 3G, 4G, bluetooth and the like are not allowed to exist, and interference of the signals can bring great influence on packaging production of chips, so that yield is poor. However, equipment in the factory (such as a testing machine, a wafer probe machine, an FT machine (a final testing machine, which is used for detecting whether an electrical signal after the chip is packaged is normal) generally flows between factories (such as flows between different floors), and the position is not known after a long time, which reduces the production efficiency, and therefore, it is necessary to establish a system for positioning.
Disclosure of Invention
Therefore, the positioning system for the equipment in the wafer packaging factory is provided to solve the technical problems.
The technical scheme adopted by the invention is as follows:
a wafer packaging factory equipment positioning system is characterized by comprising a plurality of positioning base stations arranged on a wafer packaging factory, a plurality of positioning boxes respectively fixed on a plurality of positioned equipment of the wafer packaging factory, a server and an unauthorized frequency band network arranged on the wafer packaging factory, wherein the plurality of positioning base stations and the server are accessed into the unauthorized frequency band network, and the positioning boxes are accessed into the unauthorized frequency band network through the positioning base stations;
the location box is configured to periodically perform location information uploads: carrying out full-band scanning, acquiring frequency points and signal intensity of attached base stations, and uploading the frequency points and the signal intensity to the server;
the server is configured to receive positioning information uploaded by each positioning box, determine the position of the corresponding positioning box according to the frequency point, the signal intensity and the position of the corresponding base station in the wafer packaging factory area, and determine the position of the corresponding positioned equipment in the wafer packaging factory area according to the position of the positioning box.
The invention can effectively position the test machine, the wafer probe machine, the FT machine and other equipment in the wafer packaging factory, is beneficial to better managing the equipment and improves the production efficiency.
Drawings
The invention is described in detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the positioning box of the present invention.
Detailed Description
As shown in fig. 1, an embodiment of the present disclosure provides a positioning system for a wafer packaging factory device, which includes a plurality of positioning base stations 110 disposed in a wafer packaging factory, a plurality of positioning boxes 120 respectively fixed on a plurality of positioned devices in the wafer packaging factory, a server 130, and an unlicensed frequency band network 140 disposed in the wafer packaging factory.
The plurality of positioning base stations 110 and the server 130 access the unlicensed frequency band network 140, and the positioning box 120 accesses the unlicensed frequency band network 140 through the positioning base stations 110.
The unlicensed band network 140 may adopt an LTE or LoRa network, where the LTE network is a combination of wireless communication solutions customized specially for users in enterprises, parks, and industries, and represents an IOT solution for an industry wireless private network based on an LTE technology, including a broadband multimedia cluster and a broadband access solution. The eLTE network has higher spectrum utilization rate and can provide higher transmission rate than the LoRa network, and the theoretical value of the upstream peak speed is 5 times of the LoRa network, so the eLTE network is preferably adopted.
For a scene that a building is used as a factory area, taking a positioning base station with a coverage range of about 1-2 kilometers as an example, in principle, two base stations are arranged on each floor, the two base stations are respectively arranged at two ends of the floor, the frequency point of each base station is preset, the frequency points of the base stations on the same floor are different, and the frequency points of the base stations on adjacent floors are also different.
The positioning box 120 includes a main control module 121, an IOT module 122, a gravity sensor 123, a battery 124, a charging interface 125 for plugging a charging connector, and an indicator 126, where the main control module 121 is connected to the IOT module 122, the gravity sensor 123, the battery 124, the charging interface 125, and the indicator 126, the main control module 121 is configured to control each component, the IOT module 122 is responsible for scanning a base station and communicating with the server 130 through an lte network in an mqtt protocol, the gravity sensor 123 is configured to detect whether the positioning box 120 moves, and the indicator 126 is configured to flash according to an instruction issued by the server 130, so as to find a device to be positioned, and of course, the indicator 126 may also be omitted.
The located equipment refers to a test machine, a wafer probe machine (wafer probe), an FT machine, etc. in a wafer packaging factory.
Wherein the positioning box 120 is configured to:
101. periodically performing location information upload: and performing full-band scanning, acquiring frequency points and signal strength of the attached base stations, and uploading the frequency points and the signal strength to the server 130.
To facilitate the server 130 to distinguish between different location boxes and base stations, the location box identification and the base station identification, such as the location box IMEI number, the base station number, may also be uploaded together.
Since the signal strength of the base station 110 affected by the environment fluctuates at each scanning of the location box 120, for accuracy, each time the location information is uploaded, the full-band scanning is continuously performed for a plurality of times, the signal strength is respectively obtained, and the average value of the signal strength is calculated as the signal strength of the attached base station and then uploaded to the server 130.
Specifically, the strategy executed periodically is:
a. the positioning box 120 executes one-time positioning information upload after being powered on.
b. When the positioning box 120 is in the charging state, the positioning information uploading is performed according to the first cycle time.
c. When the positioning box 120 is in the charging stop state, the positioning information uploading is performed according to the second cycle time.
The positioning frequency can be higher when the charging state is stopped, the battery supplies power, and the positioning frequency needs to be reduced, so that the second cycle time is set to be larger than the first cycle time, for example, the first cycle time is set to be 1 hour, and the second cycle time is set to be 4 hours.
102. Reporting an event to the server 130:
a. after the box 120 is powered on, a power-on event is reported to the server 130.
b. After a preset first time (for example, 10 minutes after the positioning box 120 is powered on), reporting a charging event or stopping the charging event to the server 130:
if the location box 120 is in the charging state, the charging event is reported to the server 130.
If the positioning box 120 is in the stop charging state, a stop charging event is reported to the server 130.
c. When the localisation box 120 is in the low battery state, a low battery event is reported to the server 130.
d. When the positioning box 120 is in the mobile state, the mobile event is reported to the server 130.
e. When the set top box 120 is powered off, a power off event is reported to the server 130.
The event reporting can also carry the location box identifier.
Wherein, location box 120 carries out state self-checking through following steps:
a. if the charging of the positioning box 120 is not stopped within a second preset time (for example, within 10 minutes) after the charging is started, the positioning box 120 is in the charging state, otherwise, the positioning box 120 is restarted.
b. If the charging of the positioning box 120 is not started within a second preset time (for example, within 10 minutes) after the charging is stopped, the positioning box 120 is in a charging stop state, otherwise, the positioning box 120 is restarted.
c. If the voltage of the positioning box 120 is lower than a predetermined voltage (e.g., 3.5V), the positioning box 120 is in a low power state.
d. If the movement duration time reaches a third preset time (for example, 60 seconds) after the positioning box 120 stops charging, the positioning box 120 is in a moving state, and if the charging is started again, the positioning box 120 is restarted.
The purpose of the restart is to re-restore the state of the localization box 120, and by performing the reporting 102, the localization box 120 can determine whether to start charging or stop charging according to whether the charging interface 125 thereof is plugged into or unplugged from the charging plug.
Through event reporting, the server 130 is helped to grasp the state of the positioning box 120 in time, so as to further track the positioned equipment.
103. And receiving a cycle time update instruction issued by the server 110, and updating the first cycle time and the second cycle time according to the update instruction.
104. And receiving a flashing light instruction sent by the server 110, and controlling the indicator light to flash according to the flashing light instruction.
Accordingly, the server 130 is configured to:
201. receiving the signal strength uploaded by each positioning box 120, determining the position of the corresponding positioning box according to the frequency point, the signal strength and the position of the corresponding base station in the wafer packaging factory, and determining the position of the corresponding positioned device in the wafer packaging factory according to the position of the positioning box.
The server 130 pre-stores the corresponding relationship among the base station identifier, the frequency point, and the location in the wafer packaging factory of each base station, and simultaneously binds each location box identifier with the located device.
202. And tracking the state of each positioning box 120 according to the events reported by each positioning box 120.
203. Issue a cycle time update command to the location box 120.
204. A flash command is issued to the localisation box 120.
The server 130 stores the positioning information uploaded by each positioning box 120 and the reported events in a database, the positioning information is more, the database is very large, the positioning information can be uniformly stored through the mongo DB, the database can be used for further self-learning algorithms, and the event information needs to be quickly inquired and is not suitable for being stored together with the positioning information, so that the event information is stored in the MS SQL, and the inquiry, traversal and tracing from the MS SQL are facilitated.
However, those skilled in the art should realize that the above embodiments are illustrative only and not limiting to the present invention, and that changes and modifications to the above described embodiments are intended to fall within the scope of the appended claims, provided they fall within the true spirit of the present invention.
Claims (10)
1. A wafer packaging factory equipment positioning system is characterized by comprising a plurality of positioning base stations arranged on a wafer packaging factory, a plurality of positioning boxes respectively fixed on a plurality of positioned equipment of the wafer packaging factory, a server and an unauthorized frequency band network arranged on the wafer packaging factory, wherein the plurality of positioning base stations and the server are accessed into the unauthorized frequency band network, and the positioning boxes are accessed into the unauthorized frequency band network through the positioning base stations;
the location box is configured to periodically perform location information uploads: carrying out full-band scanning, acquiring frequency points and signal intensity of attached base stations, and uploading the frequency points and the signal intensity to the server;
the server is configured to receive positioning information uploaded by each positioning box, determine the position of the corresponding positioning box according to the frequency point, the signal intensity and the position of the corresponding base station in the wafer packaging factory area, and determine the position of the corresponding positioned equipment in the wafer packaging factory area according to the position of the positioning box.
2. The wafer packaging factory floor device positioning system of claim 1, wherein the positioning box comprises a main control module, an IOT module, a gravity sensor, a battery and a charging interface for plugging a charging connector, and the main control module is connected with the IOT module, the gravity sensor, the battery and the charging interface.
3. The wafer packaging factory floor device positioning system of claim 2, wherein performing full band scanning further comprises:
and continuously carrying out multiple times of full-band scanning, respectively obtaining the signal intensity, and calculating the average value of the signal intensity as the signal intensity of the attached base station.
4. The wafer packaging factory floor device positioning system of claim 3, wherein the periodically performing positioning information uploads further comprises:
after the positioning box is started, executing one-time positioning information uploading;
when the positioning box is in a charging state, uploading positioning information according to the first period time;
when the positioning box is in a charging stop state, uploading positioning information according to the second period time;
wherein the second cycle time is greater than the first cycle time.
5. The wafer packaging factory floor device positioning system of claim 4, wherein the positioning box is further configured to report events to the server:
after the positioning box is started, reporting a starting event to the server;
after the positioning box is started up, reporting a charging event or stopping the charging event to the server after a preset first time:
if the positioning box is in a charging state, reporting a charging event to the server;
if the positioning box is in a charging stop state, reporting a charging stop event to the server;
when the positioning box is in a low-power state, reporting a low-power event to the server;
when the positioning box is in a moving state, reporting a moving event to the server;
when the positioning box is shut down, reporting a shutdown event to the server;
the server is also configured to track the state of each positioning box according to the events reported by each positioning box.
6. The wafer packaging factory floor device positioning system of claim 5, wherein the positioning box performs self-checking of status by:
if the charging of the positioning box is not stopped within the second preset time after the charging of the positioning box is started, the positioning box is in a charging state, otherwise, the positioning box is restarted;
if the positioning box does not start charging within the second preset time after stopping charging, the positioning box is in a charging stopping state, otherwise, the positioning box is restarted;
if the voltage of the positioning box is lower than the preset voltage, the positioning box is in a low-power state;
and if the movement duration time reaches a third preset time after the positioning box stops charging, the positioning box is in a moving state, and if the charging is started again, the positioning box is restarted.
7. The wafer packaging factory floor device positioning system of claim 6, wherein the positioning box determines whether to start or stop charging according to whether the charging interface is plugged into or unplugged from the charging connector.
8. The wafer packaging factory floor device positioning system of claim 7, wherein the positioning box further comprises an indicator light, and the indicator light is connected with the main control module.
9. The wafer packaging factory floor device positioning system of claim 8, wherein the positioning box is further configured to:
receiving a periodic time updating instruction issued by the server, and updating the first periodic time and the second periodic time according to the updating instruction;
receiving a flashing light instruction issued by the server, and controlling an indicator light to flash according to the flashing light instruction;
the server is further configured to:
issuing a periodic time updating instruction to a positioning box;
and sending a flashing light instruction to the positioning box.
10. The wafer packaging factory floor device positioning system of claim 9, wherein the unlicensed frequency band network is an eLTE network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496341.9A CN114189805A (en) | 2021-12-09 | 2021-12-09 | Wafer packaging factory equipment positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111496341.9A CN114189805A (en) | 2021-12-09 | 2021-12-09 | Wafer packaging factory equipment positioning system |
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| CN114189805A true CN114189805A (en) | 2022-03-15 |
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| CN202111496341.9A Pending CN114189805A (en) | 2021-12-09 | 2021-12-09 | Wafer packaging factory equipment positioning system |
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Application publication date: 20220315 |