CN112562556B - Ceiling guide display board and testing method - Google Patents
Ceiling guide display board and testing method Download PDFInfo
- Publication number
- CN112562556B CN112562556B CN202011533230.6A CN202011533230A CN112562556B CN 112562556 B CN112562556 B CN 112562556B CN 202011533230 A CN202011533230 A CN 202011533230A CN 112562556 B CN112562556 B CN 112562556B
- Authority
- CN
- China
- Prior art keywords
- light source
- auxiliary
- main
- display panel
- display
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/33—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements being semiconductor devices, e.g. diodes
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Illuminated Signs And Luminous Advertising (AREA)
Abstract
The invention discloses a ceiling guide display board, which comprises a main display board and an auxiliary display board, and an electric control system, wherein the main display board is used for providing basic display of a guide graph, the auxiliary display board is used for providing standby display of the guide graph, the auxiliary display board is stacked below the main display board in parallel and replaces the standby display after the basic display fails to maintain normal display of the guide graph, and a switching structure is arranged between the auxiliary display board and the main display board and is used for removing the main display board from the surface of the auxiliary display board so as to enable the standby display to be effective. The invention utilizes the main display board and the auxiliary display board to respectively realize basic display and standby display, and when the main display board fails to work, the standby display of the auxiliary display board is used for replacing the main display board and the auxiliary display board to maintain the normal guiding function.
Description
Technical Field
The invention relates to the technical field of display panel testing, in particular to a ceiling guide display panel and a testing method.
Background
The automatic subway ticket checker is a safety defense line for passengers to step on a train, and is a barrier for isolating the passengers from a rail area, so that the personal safety of the passengers can be effectively protected. There is a green arrow point electron direction sign in each automatic ticket checking machine below and the passageway top of punching the card, and the passageway top direction sign of punching the card is the ceiling direction screen, and the ceiling direction screen has two kinds of display states: green ↓ and red X, green ↓ it is the sign that guides the passenger to choose to enter the automatic ticket checking machine of normal operation, red X is the present channel and stops the use state.
At present, the accessible is dismantled the direction display screen and is come off then the new direction display screen of renewal from the ceiling after the damage to current direction display screen, but the process of the display screen of change need block the ticket checking passageway, can lead to a large amount of crowds of personnel to influence personnel to go on a journey in the busy time quantum of subway, cause dangerous accident such as trampling even, but not change and again can guide the function to losing the direction, influence personnel go on a journey equally, and the field test of present direction display screen needs to operate usually after the subway stops transporting, manpower and public resource's waste can be caused to this kind of test verification mode, test time is limited, low work efficiency.
Disclosure of Invention
The invention aims to provide a ceiling guide display board to solve the technical problems that in the prior art, replacement and testing are difficult in a busy time period, personnel traveling is affected, and working efficiency is low.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
a ceiling guide display panel comprises a main display panel and an auxiliary display panel, and an electric control system, wherein the main display panel is used for providing a basic display of a guide graph, the auxiliary display panel is used for providing a standby display of the guide graph, the auxiliary display panel is stacked below the main display panel in parallel and is replaced with the standby display after the basic display fails to maintain the normal display of the guide graph, a switching structure is arranged between the auxiliary display panel and the main display panel and is used for removing the main display panel from the surface of the auxiliary display panel to enable the standby display to be effective, and the electric control system is used for comprehensively managing the main display panel, the auxiliary display panel and the switching mechanism to ensure that the ceiling guide display panel performs a guide task combining the basic display and the standby display.
As a preferred embodiment of the present invention, the main display panel includes a main LED point light source array and a main LED transmission screen, the auxiliary display panel includes an auxiliary LED point light source array and an auxiliary LED transmission screen, the main LED point light source array and the auxiliary LED point light source array are respectively disposed below the main LED transmission screen and the auxiliary LED transmission screen for providing a main light for basic display and an auxiliary light for standby display, a main light path of the main light at a light exit surface of the main LED transmission screen is consistent with an auxiliary light path of the auxiliary light at a light exit surface of the auxiliary LED transmission screen, and the main LED point light source array and the auxiliary LED point light source array are electrically connected to the electronic control system.
As a preferable scheme of the present invention, the switching structure includes a limiting protrusion disposed at four corners of a lower surface of the main LED point light source array, a limiting groove disposed at four corners of a lower surface of the auxiliary LED light-transmitting screen and matched with the limiting protrusion, and a hinge rope having one end detachably connected to the limiting protrusion and the other end drivingly connected to the limiting groove, the limiting protrusion and the limiting groove are combined or separated under a tight or loose state of the hinge rope, and the hinge rope in the loose state moves downward under the action of gravity of the main display panel to remove the main display panel from the surface of the auxiliary display panel.
As a preferable scheme of the invention, a driving device for providing a tight or loose driving force for the hinge rope is arranged at the bottom of the limiting groove, the end part of the hinge rope in the limiting groove is in transmission connection with a driving shaft of the driving device, and the driving device is electrically connected with an electric control system.
As a preferable scheme of the present invention, a reflective film is laid on a lower surface of the main LED point light source array, and the reflective film is configured to reflect the auxiliary light to prevent the auxiliary light from being sequentially refracted into the main LED point light source array and the main LED transparent screen to be mixed with the main light to form a light ghost phenomenon at a light exit surface of the main LED transparent screen during the basic display.
As a preferred scheme of the present invention, a light source test port for testing by a test device is provided at the peripheral side of the main LED point light source array and the auxiliary LED point light source array, and a switching test port for testing by the test device is provided at the peripheral side of the auxiliary LED light-transmitting screen.
As a preferred scheme of the present invention, the testing apparatus includes a light source function testing circuit and a switching function testing circuit, both the light source function testing circuit and the switching function testing circuit are connected to the light source testing port and the switching testing port through signal transmission lines, the main LED point light source array or the auxiliary LED point light source array, the light source testing port, the signal transmission lines and the light source function testing circuit are sequentially communicated to form a main light source testing path or an auxiliary light source testing path for transmission of a main light source testing signal or an auxiliary light source testing signal, and the driving apparatus, the switching testing port, the signal transmission lines and the switching function testing circuit form a driving testing path for transmission of a switching testing signal.
As a preferred aspect of the present invention, the present invention provides a testing method for the ceiling-guided display panel, specifically including the following steps:
step S1, connecting a light source function test circuit and a switching function test circuit of the test device with the light source test port and the switching test port through signal transmission lines;
step S2, starting an electric control system to control a ceiling wire display board to execute a basic display guiding task, and a light source function test circuit synchronously obtains a main light source test signal and an auxiliary light source test signal and analyzes the main LED point light source array working performance;
step S3, starting an electric control system to control a ceiling wire display board to execute a guide task of standby display, acquiring a switching test signal by a switching function test circuit and analyzing to obtain the working performance of a driving device, and synchronously acquiring an auxiliary light source test signal by a light source function test circuit and analyzing to obtain the working performance of an auxiliary LED point light source array;
and step S4, summarizing the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array and the working performance of the driving device, and analyzing to obtain the working performance of the ceiling lead display board.
As a preferred scheme of the present invention, the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array, the working performance of the driving device, and the working performance of the ceiling lead display panel are uniformly divided into two test results, i.e., a pass test result and a fail test result, the pass test result of the working performance of the ceiling lead display panel is that the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array, and the working performance of the driving device are all passed, and the fail test result is that at least one of the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array, and the working performance of the driving device is failed.
As a preferred scheme of the present invention, the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array, and the working performance of the driving device are determined according to a main light source standard signal, an auxiliary light source standard signal, and a switching standard signal under a guidance task of the basic display and a guidance task of the standby display, and the specific manner is as follows:
performing pulse comparison on a main light source test signal and an auxiliary light source test signal under a basic display guide task and a main light source standard signal and an auxiliary light source standard signal under the basic display guide task, and recording the pulse number and the coordinates of the main light source test signal and the auxiliary light source test signal under the basic display guide task which overflow the main light source standard signal and the auxiliary light source standard signal under the basic display guide task;
performing pulse comparison on a main light source test signal, an auxiliary light source test signal and a switching test signal under a standby display guide task and a main light source standard signal, an auxiliary light source standard signal and a switching standard signal under the standby display guide task, and recording the pulse number and the coordinates of the auxiliary light source test signal under the standby display guide task and the auxiliary light source standard signal and the switching standard signal of the standby display guide task, which overflow the auxiliary light source test signal and the switching test signal under the standby display guide task;
if the number of the signal pulses is 0, the test results of the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array and the working performance of the driving device are qualified, and if the number of the signal pulses is not 0, the test results of the working performance of the main LED point light source array, the working performance of the auxiliary LED point light source array and the working performance of the driving device are unqualified.
Compared with the prior art, the invention has the following beneficial effects:
the invention utilizes the main display panel and the auxiliary display panel to respectively realize basic display and standby display, the basic display fails due to the failure of the main display panel, the standby display of the auxiliary display panel is used for replacing the main display panel and maintaining the normal guiding function, meanwhile, the main display panel is descended to the ground for being taken away by maintenance personnel, the subway trip is not influenced, the personnel trip can be ensured not to be influenced even in busy time, the normal use of the guiding function is ensured, a detection port is reserved, the subway operation time interval can be detected in real time, the independent detection is not needed after the subway operation is finished, the accuracy is improved, and the efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
Fig. 1 is a schematic structural diagram of a ceiling guide display panel according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a standby display structure of a ceiling-oriented display panel according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a side view of a ceiling guide display panel according to an embodiment of the present invention;
FIG. 4 is a block diagram of a testing apparatus according to an embodiment of the present invention;
fig. 5 is a flowchart of a testing method according to an embodiment of the present invention.
The reference numerals in the drawings denote the following, respectively:
1-a main display panel; 2-an auxiliary display panel; 3-an electronic control system; 4-a switching structure; 5-a drive device; 6-a reflective film; 7-a test device; 8-light source test port; 9-switching test ports;
101-main LED point light source array; 102-main LED light-transmitting screen;
201-an auxiliary LED point light source array; 202-auxiliary LED light-transmitting screen;
401-limit projection; 402-a limiting groove; 403-a hinge line;
701-light source function test circuit; 702-switching function test circuit.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 to 3, the present invention provides a ceiling guide display panel, comprising a main display panel 1 and an auxiliary display panel 2, and an electronic control system 3, wherein the main display panel 1 is used for providing a basic display of a guide graphic, the auxiliary display panel 2 is used for providing a standby display of the guide graphic, the auxiliary display panel 2 is stacked in parallel below the main display panel 1 to replace the standby display after the basic display fails so as to maintain a normal display of the guide graphic, a switching structure 4 is arranged between the auxiliary display panel 2 and the main display panel 1, the switching structure 4 is used for removing the main display panel 1 from the surface of the auxiliary display panel 2 so as to enable the standby display, and the electronic control system 3 is used for integrally managing the main display panel 1, the auxiliary display panel 2 and the switching mechanism so as to ensure that the ceiling guide display panel performs a guide task combining the basic display and the standby display.
The ceiling guide plate is used for subway guide marks, the main damage relates to that an LED light source causes that the phenomenon of missing characters and word breaking can be restored to use through maintenance or replacement, but appears in busy time periods, the subway traffic is large and is difficult to block a channel for replacement or maintenance, therefore, the auxiliary display plate 2 is required to be added on the basis of the main display plate 1 for daily basic display to serve as standby display, and the switching structure 4 is used for switching the main display plate 1 and the auxiliary display plate 2 to prevent the basic display and the standby display from being simultaneously displayed to cause interference.
The main display panel 1 comprises a main LED point light source array 101 and a main LED transmission screen 102, the auxiliary display panel 2 comprises an auxiliary LED point light source array 201 and an auxiliary LED transmission screen 202, the main LED point light source array 101 and the auxiliary LED point light source array 201 are respectively arranged below the main LED transmission screen 102 and the auxiliary LED transmission screen 202 and used for providing main light rays for basic display and auxiliary light rays for standby display, a main light path of the main light rays at the light-emitting surface of the main LED transmission screen 102 is consistent with an auxiliary light path of the auxiliary light rays at the light-emitting surface of the auxiliary LED transmission screen 202, and the main LED point light source array 101 and the auxiliary LED point light source array 201 are electrically connected with the electric control system 3.
Adopt the parallel structure of folding with main display panel 1 and auxiliary display panel 2, can guarantee on the one hand that auxiliary display panel 2 provides and shows the reserve demonstration that has the same light path with basic display in same position after main display panel 1 trouble, avoid the change position to lead to the fact visual difference to trip personnel, influence trip personnel's impression, on the other hand can save installation space and installation complexity, only need set up a mounted position and only need carry out once installation.
The switching structure 4 includes a limiting protrusion 401 disposed at four corners of the lower surface of the main LED point light source array 101, a limiting groove 402 disposed at four corners of the lower surface of the auxiliary LED transparent screen 202 and matched with the limiting protrusion 401, and a hinge rope 403 with one end detachably connected to the limiting protrusion 401 and the other end drivingly connected to the limiting groove 402, wherein the limiting protrusion 401 and the limiting groove 402 are combined or separated under the tight or loose state of the hinge rope 403, and the hinge rope 403 in the loose state moves downward under the action of gravity of the main display panel 1 to remove the main display panel 1 from the surface of the auxiliary display panel 2.
The bottom of the limiting groove 402 is provided with a driving device 5 for providing a driving force in a tight or loose state for the hinge rope 403, the end part of the hinge rope 403 positioned in the limiting groove 402 is in transmission connection with a driving shaft of the driving device 5, the driving device 5 is electrically connected with the electric control system 3, wherein the driving device 5 is a rotating motor or other components with the same function.
Under the condition of executing a basic display guiding task, the main LED light source array does not break down, the driving device 5 rotates to enable the hinge rope 403 to be wound on the driving shaft and be in a tight state, the tight pulling force on the hinge rope 403 pulls the limiting protrusion 401 to be fixed in the limiting groove 402, and at the moment, the pulling force is far greater than the gravity of the main LED light source array and the main LED light-transmitting screen 102, so that the main LED light source array and the main LED light-transmitting screen 102 can be prevented from falling due to the gravity to maintain the stability of the whole device;
the main control system controls the main LED light source array to be in an open state to provide basic display, the auxiliary LED point light source array 201 is in a closed state, in order to prevent the auxiliary LED point light source array 201 from being accidentally opened in the basic display process, the emitted auxiliary light rays can interfere with the main light rays emitted by the main LED light source array, therefore, a reflecting film 6 is laid on the lower surface of the main LED point light source array 101, and the reflecting film 6 is used for reflecting the auxiliary light rays so as to prevent the auxiliary light rays from being sequentially refracted into the main LED point light source array 101 and prevent the main LED light transmission screen 102 from being mixed with the main light rays to form a light ray ghost phenomenon at the light-emitting surface of the main LED light transmission screen 102 during the basic display.
When a guiding task of standby display is executed, the main LED light source array fails, the driving device 5 rotates reversely to enable the hinge rope 403 wound on the driving shaft to be in a loose state, the tight pulling force on the hinge rope 403 disappears to enable the limiting protrusion 401 to be separated from the limiting groove 402, at the moment, the main LED light source array and the main LED light-transmitting screen 102 descend under the pulling of gravity, so that the main LED light source array and the main LED light-transmitting screen 102 are removed from the surfaces of the auxiliary LED point light source array 201 and the auxiliary LED light-transmitting screen 202, when the main LED light source array and the main LED light-transmitting screen 102 descend to the ground, the end part of the hinge rope 403 at the limiting protrusion 401 is detached for maintenance, and the hinge rope 403 is wound on the driving shaft under the rotating action of the driving device 5;
the main control system controls the main LED light source array to be in a closed state to provide basic display, the auxiliary LED point light source array 201 is in an open state, and the main LED light source array and the main LED light-transmitting screen 102 are removed from the surfaces of the auxiliary LED point light source array 201 and the auxiliary LED light-transmitting screen 202, so that the auxiliary LED point light source array 201 and the auxiliary LED light-transmitting screen 202 can perform independent standby display and the display effect cannot be influenced by the blockage of the main LED light source array and the main LED light-transmitting screen 102.
A light source test port 8 for testing by the test device 7 is arranged at the peripheral side of the main LED point light source array 101 and the auxiliary LED point light source array 201, and a switching test port 9 for testing by the test device 7 is arranged at the peripheral side of the auxiliary LED transparent screen 202.
As shown in fig. 4, the testing device 7 includes a light source function testing circuit 701 and a switching function testing circuit 702, both the light source function testing circuit 701 and the switching function testing circuit 702 are connected to the light source testing port 8 and the switching testing port 9 through signal transmission lines, the main LED point light source array 101 or the auxiliary LED point light source array 201, the light source testing port 8, the signal transmission lines and the light source function testing circuit 701 are sequentially communicated to form a main light source testing path or an auxiliary light source testing path for transmission of a main light source testing signal or an auxiliary light source testing signal, and the driving device 5, the switching testing port 9, the signal transmission lines and the switching function testing circuit 702 form a driving testing path for transmission of a switching testing signal.
As shown in fig. 5, the present invention provides a testing method for a ceiling-guided display panel, which specifically includes the following steps:
step S1, connecting the light source function test circuit 701 and the switching function test circuit 702 of the test apparatus 7 to the light source test port 8 and the switching test port 9 through signal transmission lines;
step S2, turning on the electronic control system 3 to control the ceiling wire display panel to perform a guiding task of basic display, and the light source function test circuit 701 synchronously obtains a main light source test signal and an auxiliary light source test signal and analyzes the obtained working performance of the main LED point light source array 101;
under the condition of executing the basic display guiding task, the main LED light source array and the auxiliary LED point light source array 201 are both normally connected to the main control system, so that both a main light source test signal and an auxiliary light source test signal exist, wherein the auxiliary LED point light source array 201 is in a closed state, and then the auxiliary light source test signal is always 0.
Step S3, the electronic control system 3 is turned on to control the ceiling wire display panel to execute a guidance task of standby display, the switching function test circuit 702 obtains a switching test signal and analyzes the switching test signal to obtain the working performance of the driving device 5, and the light source function test circuit 701 obtains an auxiliary light source test signal synchronously and analyzes the auxiliary LED point light source array 201 to obtain the working performance;
under the condition of executing the guiding task of basic display, the main LED light source array is disconnected from the main control system, so that the main light source test signal does not exist, namely, the main light source test signal does not need to be acquired, and only the auxiliary light source test signal needs to be acquired.
Step S4, summarizing the operation performance of the main LED point light source array 101, the operation performance of the auxiliary LED point light source array 201, and the operation performance of the driving device 5, and analyzing to obtain the operation performance of the ceiling lead display panel.
The working performance of the main LED point light source array 101, the working performance of the auxiliary LED point light source array 201, the working performance of the driving device 5 and the working performance of the ceiling lead display board are respectively qualified and unqualified, the qualified working performance of the ceiling lead display board is that the working performance of the main LED point light source array 101, the working performance of the auxiliary LED point light source array 201 and the working performance of the driving device 5 are all qualified, and the unqualified testing result is that at least one of the working performance of the main LED point light source array 101, the working performance of the auxiliary LED point light source array 201 and the working performance of the driving device 5 is unqualified.
The working performance of the main LED point light source array 101, the working performance of the auxiliary LED point light source array 201, and the working performance of the driving device 5 are determined according to the main light source standard signal, the auxiliary light source standard signal, and the switching standard signal under the guidance task of the basic display and the standby display, and the specific method is as follows:
performing pulse comparison on the main light source test signal and the auxiliary light source test signal under the basic display guide task and the main light source standard signal and the auxiliary light source standard signal under the basic display guide task, and recording the pulse number and the coordinates of the main light source test signal and the auxiliary light source test signal under the basic display guide task overflowing the main light source standard signal and the auxiliary light source standard signal under the basic display guide task;
performing pulse comparison on a main light source test signal, an auxiliary light source test signal and a switching test signal under a standby display guide task and a main light source standard signal, an auxiliary light source standard signal and a switching standard signal under the standby display guide task, and recording the pulse number and the coordinates of the auxiliary light source test signal under the standby display guide task and the auxiliary light source standard signal and the switching standard signal under the standby display guide task, wherein the switching test signal overflows from the auxiliary light source standard signal and the switching standard signal under the standby display guide task;
if the number of the signal pulses is 0, the test results of the working performance of the main LED point light source array 101, the working performance of the auxiliary LED point light source array 201, and the working performance of the driving device 5 are passed, and if the number of the signal pulses is not 0, the test results of the working performance of the main LED point light source array 101, the working performance of the auxiliary LED point light source array 201, and the working performance of the driving device 5 are not passed.
The work rhythm of the ceiling guide display board is changed periodically, so that a test signal of the work performance of the ceiling guide display board is presented in a periodic form, one periodic test signal corresponds to one work period of the ceiling guide display board, the periodic test signal is composed of a plurality of signal pulses, and the work performance of the main LED point light source array 101, the work performance of the auxiliary LED point light source array 201 and the work performance of the driving device 5 can be obtained by comparing each test signal with each standard signal.
The invention utilizes the main display panel 1 and the auxiliary display panel 2 to respectively realize basic display and standby display, the basic display fails when the main display panel 1 fails, the standby display of the auxiliary display panel 2 is used for replacing the basic display and maintaining the normal guiding function, meanwhile, the main display panel 1 is descended to the ground for being taken away by maintenance personnel, the subway trip is not influenced, the personnel trip can be ensured not to be influenced even in busy time, the normal use of the guiding function is ensured, a detection port is reserved, the real-time on-site detection can be carried out on the subway operation time period, the independent detection is not needed after the subway operation is finished, the accuracy is improved, and the efficiency is improved.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (7)
1. A ceiling-guided display panel characterized by: comprises a main display panel (1), an auxiliary display panel (2) and an electric control system (3), the main display panel (1) is used for providing a basic display of the oriented graphics, the auxiliary display panel (2) is used for providing a standby display of the oriented graphics, the auxiliary display panel (2) is stacked in parallel below the main display panel (1) to maintain a normal display of the graphics of the guide after the primary display is disabled to be replaced with a standby display, a switching structure (4) is arranged between the auxiliary display panel (2) and the main display panel (1), the switching mechanism (4) is used for removing the main display panel (1) from the surface of the auxiliary display panel (2) to enable standby display, the electric control system (3) integrally manages the main display panel (1), the auxiliary display panel (2) and the switching mechanism to ensure that the ceiling guide display panel performs a guide task combining basic display and standby display;
a light source test port (8) for testing the test device (7) is arranged at the peripheral side edge of the main LED point light source array (101) and the auxiliary LED point light source array (201), and a switching test port (9) for testing the test device (7) is arranged at the peripheral side edge of the auxiliary LED light-transmitting screen (202);
the testing device (7) comprises a light source function testing circuit (701) and a switching function testing circuit (702), the light source function testing circuit (701) and the switching function testing circuit (702) are connected with a light source testing port (8) and a switching testing port (9) through signal transmission lines, the main LED point light source array (101) or the auxiliary LED point light source array (201), the light source testing port (8), the signal transmission lines and the light source function testing circuit (701) are sequentially communicated to form a main light source testing channel or an auxiliary light source testing channel for transmission of a main light source testing signal or an auxiliary light source testing signal, and the driving device (5), the switching testing port (9), the signal transmission lines and the switching function testing circuit (702) form a driving testing channel for transmission of the switching testing signal.
2. A ceiling-guided display panel according to claim 1, characterized in that: the main display panel (1) comprises a main LED point light source array (101) and a main LED light transmission screen (102), the auxiliary display panel (2) comprises an auxiliary LED point light source array (201) and an auxiliary LED light transmission screen (202), the main LED point light source array (101) and the auxiliary LED point light source array (201) are respectively arranged below the main LED light transmission screen (102) and the auxiliary LED light transmission screen (202) and used for providing a main light ray for presenting basic display and an auxiliary light ray for presenting standby display, a main light path of the main light ray at a light emitting surface of the main LED light transmission screen (102) is consistent with an auxiliary light path of the auxiliary light ray at a light emitting surface of the auxiliary LED light transmission screen (202), and the main LED point light source array (101) and the auxiliary LED point light source array (201) are electrically connected with the electric control system (3).
3. A ceiling-guided display panel according to claim 2, characterized in that: the switching structure (4) comprises limiting protrusions (401) arranged at four corners of the lower surface of the main LED point light source array (101), limiting grooves (402) arranged at four corners of the lower surface of the auxiliary LED light-transmitting screen (202) and matched with the limiting protrusions (401), and hinge ropes (403) with one ends detachably connected to the limiting protrusions (401) and the other ends connected to the limiting grooves (402) in a transmission mode, wherein the limiting protrusions (401) and the limiting grooves (402) are combined or separated under the tight or loose state of the hinge ropes (403), and the hinge ropes (403) in the loose state move downwards under the action of gravity of the main display panel (1) to enable the main display panel (1) to be removed from the surface of the auxiliary display panel (2).
4. A ceiling-guided display panel according to claim 3, characterized in that: the bottom of the limiting groove (402) is provided with a driving device (5) which provides a tight or loose driving force for the hinge rope (403), the end part of the hinge rope (403) in the limiting groove (402) is in transmission connection with a driving shaft of the driving device (5), and the driving device (5) is electrically connected with the electric control system (3).
5. A ceiling guide display panel according to claim 4, wherein: main LED pointolite array (101) lower surface has laid reflectance coating (6), reflectance coating (6) are used for the reflection supplementary light is in order to avoid when basic display supplementary light refracts in proper order and enters main LED pointolite array (101) and main LED pass through light screen (102) and the chief ray mixes and forms the light ghost phenomenon in main LED passes through light screen (102) play plain noodles department.
6. A method for testing a ceiling-guided display panel according to any one of claims 1 to 5, characterized in that it comprises in particular the following modes:
step S1, connecting a light source function test circuit (701) and a switching function test circuit (702) of a test device (7) with the light source test port (8) and the switching test port (9) through signal transmission lines;
step S2, starting the electric control system (3) to control the ceiling wire display board to execute a basic display guiding task, and the light source function test circuit (701) synchronously obtains a main light source test signal and an auxiliary light source test signal and analyzes the working performance of the main LED point light source array (101);
step S3, starting the electric control system (3) to control the ceiling wire display board to execute a guide task of standby display, acquiring a switching test signal and analyzing to obtain the working performance of the driving device (5) by the switching function test circuit (702), and synchronously acquiring an auxiliary light source test signal and analyzing to obtain the working performance of the auxiliary LED point light source array (201) by the light source function test circuit (701);
step S4, summarizing the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201) and the working performance of the driving device (5), and analyzing to obtain the working performance of the ceiling lead display board;
the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201) and the working performance of the driving device (5) are judged according to a main light source standard signal, an auxiliary light source standard signal and a switching standard signal under a basic display guiding task and a standby display guiding task, and the specific mode is as follows:
performing pulse comparison on a main light source test signal and an auxiliary light source test signal under a basic display guide task and a main light source standard signal and an auxiliary light source standard signal under the basic display guide task, and recording the pulse number and the coordinates of the main light source test signal and the auxiliary light source test signal under the basic display guide task which overflow the main light source standard signal and the auxiliary light source standard signal under the basic display guide task;
performing pulse comparison on a main light source test signal, an auxiliary light source test signal and a switching test signal under a standby display guide task and a main light source standard signal, an auxiliary light source standard signal and a switching standard signal under the standby display guide task, and recording the pulse number and the coordinates of the auxiliary light source test signal under the standby display guide task and the auxiliary light source standard signal and the switching standard signal of the standby display guide task, which overflow the auxiliary light source test signal and the switching test signal under the standby display guide task;
if the number of the signal pulses is 0, the test results of the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201) and the working performance of the driving device (5) are qualified, and if the number of the signal pulses is not 0, the test results of the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201) and the working performance of the driving device (5) are unqualified.
7. The testing method according to claim 6, wherein the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201), the working performance of the driving device (5) and the working performance of the ceiling lead display panel are respectively a pass test result and a fail test result, the pass test result of the working performance of the ceiling lead display panel is that the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201) and the working performance of the driving device (5) are all passed, and the fail test result is that at least one of the working performance of the main LED point light source array (101), the working performance of the auxiliary LED point light source array (201) and the working performance of the driving device (5) is failed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011533230.6A CN112562556B (en) | 2020-12-22 | 2020-12-22 | Ceiling guide display board and testing method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011533230.6A CN112562556B (en) | 2020-12-22 | 2020-12-22 | Ceiling guide display board and testing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112562556A CN112562556A (en) | 2021-03-26 |
| CN112562556B true CN112562556B (en) | 2022-08-02 |
Family
ID=75030832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011533230.6A Active CN112562556B (en) | 2020-12-22 | 2020-12-22 | Ceiling guide display board and testing method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112562556B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000251195A (en) * | 1999-03-03 | 2000-09-14 | Izumi Products Co | Road information display device |
| CN203870919U (en) * | 2014-05-13 | 2014-10-08 | 利亚德光电股份有限公司 | Ceiling guide |
| CN104409453A (en) * | 2014-10-30 | 2015-03-11 | 广东威创视讯科技股份有限公司 | LED packaging structure, LED display system and bad lamp detection method |
| CN105740107A (en) * | 2016-05-04 | 2016-07-06 | 刘其锋 | Redundancy technique based on multiple layers of display screen |
| CN105975130A (en) * | 2016-05-04 | 2016-09-28 | 刘其锋 | Redundancy technology of touch display screen based on plurality of groups of touch units |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9207904B2 (en) * | 2013-12-31 | 2015-12-08 | Ultravision Technologies, Llc | Multi-panel display with hot swappable display panels and methods of servicing thereof |
-
2020
- 2020-12-22 CN CN202011533230.6A patent/CN112562556B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000251195A (en) * | 1999-03-03 | 2000-09-14 | Izumi Products Co | Road information display device |
| CN203870919U (en) * | 2014-05-13 | 2014-10-08 | 利亚德光电股份有限公司 | Ceiling guide |
| CN104409453A (en) * | 2014-10-30 | 2015-03-11 | 广东威创视讯科技股份有限公司 | LED packaging structure, LED display system and bad lamp detection method |
| CN105740107A (en) * | 2016-05-04 | 2016-07-06 | 刘其锋 | Redundancy technique based on multiple layers of display screen |
| CN105975130A (en) * | 2016-05-04 | 2016-09-28 | 刘其锋 | Redundancy technology of touch display screen based on plurality of groups of touch units |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112562556A (en) | 2021-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9898945B2 (en) | Display panel and method for verifying data lines thereon | |
| PT925568E (en) | Man-machine interface for airport traffic control | |
| KR101286310B1 (en) | The emergency panel with advertizement is formed in dual structure | |
| CN112562556B (en) | Ceiling guide display board and testing method | |
| CN111028762B (en) | Display device | |
| US6958700B2 (en) | Fire receiver | |
| CN109931968A (en) | A kind of fault display method and fault display system of Bridge Monitoring System | |
| CN202988519U (en) | Direction and fault integration display device for automatic escalator or automatic sidewalk | |
| CN102629416B (en) | Watch-dog | |
| CN101234722A (en) | Elevator display system | |
| KR101109890B1 (en) | Led module tester | |
| KR101645344B1 (en) | signal board | |
| CN103502130A (en) | Elevator landing call registration device | |
| KR102336907B1 (en) | Screen door advertising apparatus using transparent LED film | |
| CN102992162A (en) | Direction fault integrated display device of escalator or moving pavement | |
| CN216209695U (en) | Relay board card automatic detector suitable for CRH5G motor train unit | |
| CN201808581U (en) | Departure indicating system | |
| KR102474187B1 (en) | Standy power saving type led signage | |
| JP7430051B2 (en) | Display device for gas fire extinguishing equipment | |
| CN219644160U (en) | Protective signal indicator lamp device for SPKS interlocking access control | |
| KR20070003423A (en) | Advertisement and emergency guidance system for sub way platform | |
| KR200322122Y1 (en) | emergency exit guiding apparatus by light emitting diode | |
| CN1989537A (en) | Picture freeze detector | |
| JPS5889571A (en) | Notifying device in case of emergency of elevator | |
| JP2001106450A (en) | Failure information display device for elevator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |