CN113406424B - Aging test system and method - Google Patents
Aging test system and method Download PDFInfo
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- CN113406424B CN113406424B CN202110778857.6A CN202110778857A CN113406424B CN 113406424 B CN113406424 B CN 113406424B CN 202110778857 A CN202110778857 A CN 202110778857A CN 113406424 B CN113406424 B CN 113406424B
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- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
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- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
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- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
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Abstract
The embodiment of the invention discloses an aging test system and a method, wherein the system comprises: the aging test device comprises a test module and a first positioning module, wherein the test module is used for connecting a display screen to be tested so as to detect the aging condition of the display screen; the aging test frame comprises a fixed frame and a second positioning module, the fixed frame comprises a test device bracket, the test device bracket is used for fixing the aging test device, the second positioning module is arranged corresponding to the test device bracket, and the first positioning module is used for identifying the second positioning module so as to determine the physical position of the aging test device on the fixed frame; and the aging management center is used for acquiring and displaying the aging information returned by the aging test device, and the aging information comprises an aging condition and a physical position. According to the embodiment of the invention, when the display screen is subjected to aging test, the physical position of the aging test device does not need to be determined manually, the operation is convenient and rapid, the possibility of manual operation errors is avoided, and the reliability and the stability of the aging test system are improved.
Description
Technical Field
The embodiment of the invention relates to the technical field of aging test, in particular to an aging test system and an aging test method.
Background
In the field of display screen aging test, in order to manage the display screen aging test, the physical position of a certain display screen aging device on an aging test frame is generally required to be known so as to facilitate management and monitoring of working conditions through a PC, and particularly, a large-scale display screen aging production line is provided, wherein hundreds of display screen aging test devices on a plurality of aging test frames are generally managed by one PC. In present traditional aging testing system, the confirmation of display screen aging testing device physical position needs the manual work to set for position code on display screen aging testing device, perhaps increases position encoder rethread wiring connection on physical position and is connected to aging testing device, and the manual work sets up probably to set up the mistake, perhaps forgets to set up, and the mode of connecting through the wiring is influenced by contact condition very much, and contact failure can cause the code to read the mistake.
Disclosure of Invention
In view of this, embodiments of the present invention provide an aging test system and an aging test management method to automatically determine a physical position of an aging test apparatus on an aging test rack, which does not require manual positioning, is convenient and fast, and is not prone to error, thereby improving reliability and stability of the aging test system.
To achieve the object, in a first aspect, an embodiment of the present invention provides an aging test system applied to a display screen aging production line, including:
the aging test device comprises a test module and a first positioning module, wherein the test module is used for connecting a display screen to be tested so as to detect the aging condition of the display screen;
the aging test frame comprises a fixing frame and a second positioning module, the fixing frame comprises a test device bracket, the test device bracket is used for fixing the aging test device, the second positioning module is arranged corresponding to the test device bracket, and the first positioning module is used for identifying the second positioning module so as to determine the physical position of the aging test device on the fixing frame;
and the aging management center is used for acquiring and displaying aging information returned by the aging test device, wherein the aging information comprises the aging condition and the physical position.
Optionally, in some embodiments, the fixing frame further includes: the display screen support is used for fixing a display screen to be tested.
Optionally, in some embodiments, the first positioning module includes an RFID card reader, and the second positioning module includes an RFID card.
Optionally, in some embodiments, the first positioning module comprises a code scanner and the second positioning module comprises an identification code.
Optionally, in some embodiments, the fixing frame further includes a positioning module holder, and the positioning module holder is configured to fix the RFID card or the identification code.
Optionally, in some embodiments, the first positioning module is fixed at the bottom of the testing module, and the identification direction of the first positioning module faces downward.
Optionally, in some embodiments, the RFID card or the identification code is detachably connected to the positioning module holder
In a second aspect, an embodiment of the present invention further provides an aging test management method, implemented based on an aging test system, including:
the aging condition of a display screen to be tested is detected through a testing module, and the physical position of the testing module is determined through the cooperation of a first positioning module and a second positioning module;
and matching and determining the aging condition with the physical position and displaying the aging information of the aging test system through an aging management center.
Optionally, in some embodiments, the matching the aging condition with the physical location to determine and display the aging information of the aging test system through the aging management center includes:
determining the placement condition of an aging test frame in the aging test system according to the physical position;
and matching and displaying the aging condition of the corresponding aging test device based on the placing condition.
Optionally, in some embodiments, the method further includes:
acquiring alarm information sent by an aging test device, wherein the alarm information comprises an abnormal reason and an abnormal position;
and sending an abnormity early warning according to the abnormal position so as to guide a user to position the abnormal aging test device on the aging test frame.
According to the embodiment of the invention, the aging test device and the display screen to be tested are connected and then fixed on the fixing frame of the aging test frame, the aging condition of the display screen is detected through the test module on the aging test device, the physical position of the aging test device on the aging test frame is automatically determined through the first positioning module on the aging test device and the second positioning module on the aging test frame, the aging condition and the physical position are sent to the aging management center as aging information, the aging information is displayed by the aging management center, so that the remote monitoring management of the aging test device is realized.
Drawings
Fig. 1 is a schematic structural diagram of an aging test system according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partial structure of a burn-in test system according to an embodiment of the present invention;
FIG. 3 is a schematic partial structure diagram of a burn-in test system according to a second embodiment of the present invention
Fig. 4 is a schematic flowchart of a burn-in test method according to a third embodiment of the present invention;
FIG. 5 is a schematic sub-flow chart of a burn-in test method according to a third embodiment of the present invention;
fig. 6 is a schematic flow chart of a burn-in test method according to a third embodiment of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are for purposes of illustration and not limitation. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the steps as a sequential process, many of the steps can be performed in parallel, concurrently or simultaneously. In addition, the order of the steps may be rearranged. A process may be terminated when its operations are completed, but may have additional steps not included in the figure. A process may correspond to a method, a function, a procedure, a subroutine, a subprogram, etc.
Furthermore, the terms "first," "second," and the like may be used herein to describe various orientations, actions, steps, elements, or the like, but the orientations, actions, steps, or elements are not limited by these terms. These terms are only used to distinguish one direction, action, step or element from another direction, action, step or element. For example, a first module may be termed a second module, and, similarly, a second module may be termed a first module, without departing from the scope of the present application. The first module and the second module are both modules, but they are not the same module. The terms "first", "second", etc. should not be construed to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the embodiments of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
Example one
An embodiment of the present invention provides an aging test system, which is applied to an aging test process of a display screen, and is configured to automatically obtain a physical position of an aging test apparatus on an aging test rack so as to conveniently monitor an aging condition of the display screen, as shown in fig. 1 and fig. 2, the aging test system provided in this embodiment includes an aging test apparatus 10, an aging test rack 20, and an aging management center 30, where fig. 1 is a schematic structural diagram of the aging test system provided in this embodiment, and fig. 2 is a partially enlarged view of fig. 1 (that is, a schematic partial structural diagram of the aging test system):
the aging test device 10 comprises a test module 11 and a first positioning module 12, wherein the test module is used for connecting a display screen to be tested so as to detect the aging condition of the display screen to generate alarm information.
The aging test device 10 is used for performing aging test on the display screen and detecting and counting test results so as to facilitate working personnel to know the aging condition of the display screen. The aging test device 10 specifically comprises a test module 11 and a first positioning module 12, wherein a test interface used for connecting a display screen is arranged on the test module 11, the display screen to be tested is connected with the test module 11 through the test interface, the test module 11 is lightened according to set aging parameters for aging, the test module 11 simultaneously monitors whether the working parameters of the display screen to be tested are normal, and specifically, the working parameters comprise data such as voltage, current and the like; the first positioning module 12 is configured to determine a physical position of the weathering test apparatus 10, which is referred to herein as a position of the weathering test apparatus 10 on the weathering test stand 20.
The aging testing frame 20 comprises a fixing frame 21 and a second positioning module 22, wherein the fixing frame 21 comprises a testing device support 211, the testing device support 211 is used for fixing the aging testing device 11, the second positioning module 22 corresponds to the testing device support 211, and the first positioning module 12 is used for identifying the second positioning module 22 so as to determine the physical position of the aging testing device 11 on the fixing frame 21.
The aging test jig 20 is a special shelf for placing the aging test device 10, because the display screen has special requirements in the aspects of fixing, heat dissipation and the like during testing, the aging test jig 20 is usually specially customized to match the aging test device 10 with the display screen to be tested, the aging test jig 20 necessarily comprises a fixing frame 21 for placing the aging test device 10, a test device support 211 is arranged on the fixing frame 21, and the test device support 211 can stably fix the aging test device 10 so as to prevent the aging test device from colliding with the display screen or a circuit and the like.
In the aging testing process, when the display screen data that awaits measuring is more, can be provided with a plurality of aging testing framves 20 and be used for holding aging testing device 10, and can place a plurality of aging testing device 10 on every aging testing frame 20, for the convenience of management, need correspond aging testing device 10 with the position on the aging testing frame 20 on to conveniently look over in unison during subsequent management. Conventionally, the positions of the burn-in test apparatus 10 and the burn-in test rack 20 are corresponded by numbering, for example, the burn-in test rack 20 is numbered according to the actual placement of the burn-in test rack 20, for example, the first row of the first burn-in test rack is coded as A1, and then the test apparatus rack specifically used for placing the burn-in test apparatus 10 on the burn-in test rack 20 is numbered, for example, the first test apparatus rack in the first row of the first burn-in test rack is coded as A1aI, so that when inputting relevant burn-in test information to the PC host for managing the burn-in test apparatus 10, the corresponding test apparatus rack number is associated with the burn-in test apparatus 10 on the PC host, and the physical position of the burn-in test apparatus 10 on the burn-in test rack 20 can be determined in the system. But this approach is very dependent on manual operation by personnel: the worker needs to manually associate the physical position of each aging test device 10 in the PC host, which is very tedious when the number of aging test devices 10 is large, and the manual association error rate is high, which is very disadvantageous for the subsequent management. In order to solve the inconvenience caused by manual association, in the invention, the first positioning module 12 is arranged on the aging test device 10, the second positioning module 22 is arranged on the aging test rack 20, and each test device bracket 211 is correspondingly provided with one second positioning module 22, so that when the aging test device 10 is placed on the aging test rack 20, each aging test device 10 can automatically determine the physical position through the first positioning module 12 and the second positioning module 22: each second positioning module 22 includes a specific identification mark, such as a text, a pattern, or even a chip, etc., the first positioning module 12 employs a device capable of identifying the specific identification mark, such as a code scanner, a card reader, etc., and the corresponding physical position of each specific identification mark in the system is determined, so that the corresponding physical position of the aging test device 10 is automatically determined each time, no manual operation is required, the operation flow is reduced, the working efficiency of the display screen aging test is improved, and the operation is more convenient and faster.
The aging management center 30 is configured to obtain aging information returned by the aging test apparatus 10, where the aging information includes the aging condition and the physical location.
The aging management center 30 is used for monitoring and managing the aging test conditions of the aging test device 10, so that a user can conveniently check specific working parameters and other information of a display screen in the aging test process, specifically including an aging progress, abnormal conditions, physical positions and the like, a worker can inquire the aging conditions of the display screen tested by the aging test device 10 at a specified physical position based on the aging management center 30, and can also quickly determine the aging test rack 20 to which the corresponding aging test device belongs and the physical positions on the aging test rack 20 when the abnormal aging conditions are found. In some embodiments, the burn-in management center 30 is further configured to send the burn-in parameters to the burn-in test apparatus 10 for remotely controlling the burn-in test apparatus 10 to implement the automation task. The aging management center 30 generally includes a PC host, and the PC host is connected to the aging test apparatus 10 in a wired or wireless manner, and more specifically, in the aging test apparatus 10, the test module 11 and the first positioning module 12 may be connected to each other first and then to the PC host, or may be connected to the PC host respectively, and when being connected to the PC host respectively, it is required to ensure that the corresponding relationship between the test module 11 and the first positioning module 12 can be identified and confirmed by the PC host.
The embodiment provides an aging test system, an aging test device and a display screen to be tested are connected and then fixed on a fixing frame of an aging test frame, the aging condition of the display screen is detected through a test module on the aging test device, the physical position of the aging test device on the aging test frame is automatically determined through a first positioning module on the aging test device and a second positioning module on the aging test frame, the aging condition and the physical position are sent to an aging management center as aging information, the aging information is displayed by the aging management center to realize remote monitoring management of the aging test device, the physical position of the aging test device is automatically determined through identification between the first positioning module and the second positioning module, a worker does not need to manually determine the physical position of the aging test device when performing aging test on the display screen, convenience and rapidness are achieved, the possibility of manual operation errors is avoided, and the reliability and stability of the aging test system are improved.
Example two
On the basis of the first embodiment, the second embodiment of the present invention further explains and supplements part of the contents in the first embodiment, for example, the specific identification modes of the first positioning module 12 and the second positioning module 22 specifically include the following contents:
as shown in fig. 2, in the burn-in test system provided in this embodiment, the fixing frame 21 on the burn-in test rack 20 further includes: a display screen bracket 212, the display screen bracket 212 being used to fix a display screen 40 to be tested.
Different from a conventional shelf, the aging testing jig 20 in this embodiment is specially used for performing aging testing of the display screen 40, the fixing frame 21 is provided with a testing device bracket 211 for fixing the aging testing device 10 and a display screen bracket 212 for fixing the display screen 40, so as to fix the display screen 40 to be tested on the aging testing jig 20 at a preset angle and position, as shown in fig. 2, on each aging testing jig 20, each aging testing device 10 is connected with a plurality of display screens 40 to be tested, the display screens 40 are placed at two sides of the aging testing device 10 at an oblique angle, and it is convenient for a worker to check the display effect of the display screen 40 in the aging testing under the condition of ensuring the heat dissipation effect of the display screen 40. In actual use, the aging test device 10 is firstly placed on the test device bracket 211 to be fixed, and then the display screen 40 to be tested is connected with the aging test device 10 and then fixed on the display screen bracket 212.
More specifically, in some embodiments, the first location module 12 includes an RFID card reader and the second location module 22 includes an RFID card. The RFID card reader is fixed on the aging test device 10, the RFID card is fixed on the aging test frame 20, when the aging test device 10 is placed on the aging test frame 20, the coil of the RFID card reader just corresponds to the RFID card, the RFID card reader can identify information in the RFID card, and the aging management center 30 can determine a corresponding physical position according to the information in the RFID card.
Optionally, in some alternative embodiments, the first positioning module 12 includes a code scanner and the second positioning module 22 includes an identification code. The identification code includes information such as symbol, characters and pattern, generally adopt two-dimensional code or bar code, the bar code scanner is fixed on aging testing device 10, the identification code is fixed on aging testing frame 20, when aging testing device 10 was placed on aging testing frame 20, the identification code just in time was located the scanning zone of bar code scanner (and the distance can not be too far away in order to avoid the scanning result discernment not clear), the bar code scanner can the information in the identification code, aging management center 30 can be according to the information determination corresponding physical position in the other identification code.
Preferably, in some embodiments, the first positioning module 12 is fixed at the bottom of the testing module 11, and the identification direction of the first positioning module 12 faces downward. The positional relationship between the first positioning module 12 and the second positioning module 22 includes a plurality of types: first orientation module 12 is located second orientation module 22's top, the below, the left side, the right side etc, it has certain influence to discernment accuracy to consider the time deposition ash has when fixed the collision that relevant device probably takes place and stewing in the display screen aging testing process, set up first orientation module 12 and second orientation module 22 in this embodiment in aging testing device 10 bottom and with aging testing frame 20 between, like this in the aging testing process, first orientation module 12 and second orientation module 22 are difficult for the deposition ash, guarantee the degree of accuracy of physical location discernment.
Optionally, in some embodiments, the fixing frame 21 further includes a positioning module holder 213, and the positioning module holder 213 is used for fixing the RFID card or the identification code. In order to improve the versatility of the burn-in test rack 20 and to limit the position of the second positioning module 22 so as not to overlap with the detection area of the first positioning module 12, a positioning module support 213 is provided on the fixing frame 21, and an RFID card or an identification code is fixed by a worker according to actual requirements.
More specifically, in some embodiments, the RFID card or identification code is removably coupled to the positioning module holder 213. In actual use, the actual placement position of the burn-in test rack 20 may change, for example, the burn-in test rack 20 at a certain position is moved to other positions to complete different burn-in test tasks, and the corresponding position information (i.e., the corresponding physical position) contained in the corresponding second positioning module 22 on the burn-in test rack 20 should also change correspondingly, and conventionally, the association relationship between the physical position and the second positioning module 22 is modified in the burn-in management center 20, but this way is cumbersome to operate, so in this embodiment, the second positioning module 22 and the positioning module 213 are detachably connected, so when the position of the burn-in test rack 20 changes, the positioning module 213 on the burn-in test rack 20 can be directly replaced with the correct positioning module 213, which is convenient and fast.
On the basis of the embodiment, the embodiment explains and supplements part of the structure of the aging test system, fixes the display screen to be tested on the aging test frame through the display screen bracket, detachably fixes the second positioning module on the aging test frame through the positioning module bracket, is convenient for adjusting the position of the aging test frame, further provides a mode of determining the physical position by matching an RFID card or an identification code with an RFID card reader/code scanner, and has the advantages of simple implementation and convenient operation.
EXAMPLE III
An embodiment three of the present invention provides an aging test method, which may be implemented based on any of the foregoing embodiments of the present invention, and as shown in fig. 3, the method includes:
s310, detecting the aging condition of the display screen to be tested through the testing module, and determining the physical position of the testing module through the cooperation of the first positioning module and the second positioning module.
The aging condition represents the concrete performance of the display screen to be tested connected with the testing module in the aging testing process, and is generally recorded in the form of various working parameters. The physical position represents a specific position of the first positioning module on the aging test rack, and in the aging test system adopted in this embodiment, the first positioning module and the test module jointly form an aging test device, so that the physical position actually represents the specific position of the test module and the aging test device on the aging test rack.
It is understood that, before step S310, the test module in the burn-in test apparatus should be connected to the test display screen, and the test display screen and the burn-in test apparatus to be tested should be placed on the burn-in test stand.
And S320, matching and determining the aging condition with the physical position and displaying the aging information of the aging test system through an aging management center.
The aging information is a visual display result of the aging condition of the display screen of the whole aging test system and is used for displaying the aging condition of the display screen at each position on each aging test frame in the aging test system.
Optionally, in some embodiments, the matching the aging condition with the physical location to determine and display the aging information of the aging test system through the aging management center, as shown in fig. 5, includes:
s321, determining the placement condition of the aging test rack in the aging test system according to the physical position.
And S322, matching and displaying the aging condition of the corresponding aging test device based on the placing condition.
The placing condition is used for describing the occupation condition of the test device bracket on the aging test frame, the placing condition of the display screen to be tested on the aging test frame is manually operated, the aging test system based on the embodiment does not need personnel to manually input the position of the aging test device on the aging test frame, and therefore the corresponding aging test frame needs to be found through the physical position, and the aging test device specifically occupies which test frame fixing brackets on the aging test frame, namely the placing condition is actually represented by the occupation condition of the aging test frame. And after the occupation condition of the aging test rack is determined, filling the corresponding aging condition into the occupied aging test rack.
Optionally, in some embodiments, after step S320, as shown in fig. 6, the method further includes:
s330, acquiring alarm information sent by the aging test device, wherein the alarm information comprises an abnormal reason and an abnormal position.
And S340, sending an abnormity early warning according to the abnormal position so as to guide a user to position the abnormal aging test device on the aging test frame.
In this embodiment, the aging test device may monitor an abnormal condition of the display screen during the aging process, for example, a working current of the display screen exceeds an aging setting standard or a backlight current of the display screen is abnormal, when the abnormal condition occurs, the aging test device may generate alarm information and send the alarm information to the aging management center, and the aging management center determines how to guide a user (i.e., a worker) to find a corresponding aging test device according to an abnormal position in the alarm information, so as to solve the abnormal condition. The exception location referred to herein is typically the physical location of the burn-in tester, although it may be further accurate to a particular display screen.
The embodiment provides an aging test method, which can monitor the aging conditions of all display screens in the whole aging test system, a user can check the aging conditions of the designated position through an aging management center, and can find the abnormal conditions in time to quickly find the abnormal positions to solve the abnormal conditions, and the safety and the stability are high.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A burn-in test system, comprising:
the aging test device comprises a test module and a first positioning module, wherein the test module is used for connecting a display screen to be tested so as to detect the aging condition of the display screen;
the aging test frame comprises a fixing frame and a second positioning module, the fixing frame comprises a test device bracket, the test device bracket is used for fixing the aging test device, the second positioning module is arranged corresponding to the test device bracket, and the first positioning module is used for identifying the second positioning module so as to determine the physical position of the aging test device on the fixing frame;
the aging management center is used for acquiring and displaying aging information returned by the aging test device, and the aging information comprises the aging condition and the physical position;
the aging test device monitors the condition of the display screen in the aging process, generates alarm information when abnormal conditions occur, and sends the alarm information to the aging management center.
2. The burn-in test system of claim 1, wherein the fixture further comprises: the display screen support is used for fixing a display screen to be tested.
3. The burn-in test system of claim 1, wherein: the first positioning module comprises an RFID card reader, and the second positioning module comprises an RFID card.
4. The burn-in test system of claim 1, wherein: the first positioning module comprises a code scanner, and the second positioning module comprises an identification code.
5. The burn-in test system of claim 3 or 4, wherein: the fixing frame further comprises a positioning module support, and the positioning module support is used for fixing the RFID card or the identification code.
6. The burn-in test system of claim 1, wherein: the first positioning module is fixed at the bottom of the testing module, and the identification direction of the first positioning module faces downwards.
7. The burn-in system of claim 5 wherein the RFID card or identification code is removably attached to the positioning module holder.
8. A burn-in test method implemented based on the burn-in test system according to any one of claims 1 to 7, comprising:
detecting the aging condition of a display screen to be tested through a testing module, and determining the physical position of the testing module through the cooperation of a first positioning module and a second positioning module;
and matching and determining the aging condition with the physical position and displaying the aging information of the aging test system through an aging management center.
9. The aging test method of claim 8, wherein the matching the aging situation with the physical location and displaying the aging information of the aging test system through the aging management center comprises:
determining the placement condition of an aging test frame in the aging test system according to the physical position;
and matching and displaying the aging condition of the corresponding aging test device based on the placing condition.
10. The burn-in test method of claim 8, further comprising:
acquiring alarm information sent by an aging test device, wherein the alarm information comprises an abnormal reason and an abnormal position;
and sending an abnormity early warning according to the abnormal position so as to guide a user to position the abnormal aging test device on the aging test frame.
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