CN105204810A - Automatic ID setting method and device for LCDs - Google Patents

Automatic ID setting method and device for LCDs Download PDF

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Publication number
CN105204810A
CN105204810A CN201510688677.3A CN201510688677A CN105204810A CN 105204810 A CN105204810 A CN 105204810A CN 201510688677 A CN201510688677 A CN 201510688677A CN 105204810 A CN105204810 A CN 105204810A
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value
screen unit
mosaic screen
mosaic
start element
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CN105204810B (en
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朱建
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Zhejiang Uniview Technologies Co Ltd
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Zhejiang Uniview Technologies Co Ltd
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Abstract

The invention discloses an automatic ID setting method for LCDs. The automatic ID setting method comprises the following steps: sequentially connecting all LCD units in series in preset order to enable every two LCD units to realize information communication; after selecting one of the LCD units as a starting unit, setting the ID value of the starting unit; respectively sending the ID value by the starting unit to the LCD units connected in front of and behind the starting unit; in each sending direction, increasing the ID value by each LCD unit according to the preset increasing law to serve as the ID value per se after receiving the ID value, and sending the increased ID value by each LCD unit to the next LCD unit in the sending direction till the increased ID value is sent to the last LCD unit. The invention also discloses an automatic ID setting device corresponding to the automatic ID setting method, by the adoption of the automatic ID setting method and device, the ID sequence numbers of all the LCDs can be automatically, quickly, accurately and conveniently set.

Description

The ID automatic setting method of liquid crystal-spliced screen and device
Technical field
The present invention relates to screen splicing display technique field, particularly relate to ID automatic setting method and the device of liquid crystal-spliced screen.
Background technology
The topmost in the industry application of liquid crystal-spliced screen products is exactly " splicing ", namely polylith mosaic screen shows a signal pattern jointly, before completing concatenation, need clearly which block mosaic screen to be carried out combination to be used for showing a width complete picture, then must by the setting selecting the ID sequence number of these several pieces of mosaic screens to carry out splicing function.And before liquid crystal-spliced screen complete machine dispatches from the factory, the ID sequence number of every block mosaic screen is all consistent.When site operation, need the toggle switch value by adjusting every block screen or each single screen independently ID is set by infrared signal, thus in a formation project, all screens possess different ID sequence number values, to realize the object of splicing controlling functions.
Prior art increases toggle switch after the liquid crystal-spliced screen of every block, toggle switch is generally 8 adjusted positions, corresponding row value arranges (4) and train value adjustment (4) respectively, each can be set to out or close, the large-size screen monitors being equipped with toggle switch like this can support the splicing scale of 16*16 in principle, in this splicing scale, the dial-up value of each block mosaic screen is all different, be unique, thus ensure the configuration can carrying out service application in whole combination.Time every block liquid crystal single screen is dispatched from the factory, dial-up value is all the same, all needs the setting carrying out dial-up value at the scene for each block mosaic screen, forms different ID sequence numbers, could meet project splicing application.
And infrared signal is carried out, for situation about arranging, the Driver Card of each mosaic screen unit having infrared signal receiver, by an external infrared signal line, instruction is set with what receive that Infrared remote controller sends.Similarly, the ID sequence number for mosaic screen unit is arranged can carry out single screen by telepilot and arrange one by one, at the scene in practice of construction process, needs before large-size screen monitors hang up support, and the ID sequence number of being carried out single screen by hand-guided telepilot is arranged.
Due in prior art, no matter be that ID value is set by dial-up mode or IR signal reception mode, owing to there is not communication between each mosaic screen unit, therefore site operation personnel are all needed to arrange separately every block mosaic screen unit one by one by hand, not only workload is larger, also the single screen of easily appearance two pieces or more is configured with the situation of same ID value, in addition when doing above-mentioned configuration, after needing to pre-set the ID of each block single screen, carry out the construction of large-size screen monitors again, because once large-size screen monitors have been placed on after on support, carry out again regulating just to compare difficult for, because large-size screen monitors are all that superposition is installed in general data, aspect ratio is higher, not easy to operate after installing.
Existing technology subject matter is to need artificially configuration ID value one by one, is very easy to occur that polylith single screen is configured to same ID value in the provisioning process, thus causes splicing business unavailable.
Summary of the invention
For solving prior art Problems existing, the invention provides a kind of method that ID is arranged, making ID arrange simply and not easily make mistakes.
An ID automatic setting method for liquid crystal-spliced screen, for carrying out the setting of ID value to each mosaic screen unit in the complete liquid crystal-spliced screen of composition, comprising:
Each mosaic screen unit is connected in series successively by preset order, information mutual communication between adjacent two the mosaic screen unit making serial connection;
The ID value of start element is set after selection mosaic screen unit is as start element;
Described ID value is sent respectively to the mosaic screen unit before being connected to start element and after being connected to start element in both direction by start element, on single sending direction, ID value is all undertaken increasing the ID value as self by the progressive law preset by each mosaic screen unit after receiving ID value, and the ID value after increasing is sent to next mosaic screen unit along sending direction, until be sent to last mosaic screen unit; Wherein, the ID value progressive law on two sending directions makes all mosaic screen unit ID values all not identical.
In method of the present invention, start element is selected arbitrarily, by ID value to different directions transmission with increase progressively the object realizing ID Lookup protocol, do not need the setting carrying out each mosaic screen unit artificially, each ID value is different in the same direction to adopt progressive law to ensure, and all not identical by all ID value after ensureing the restriction of progressive law to arrange, the mistake avoiding artificial setting to duplicate setting improves the efficiency of splicing, considerably increases convenience.
Such as can make on one of them sending direction the odd number of ID value for increasing progressively by progressive law, opposite side is the even number increased progressively.If there is not next mosaic screen unit on one of them sending direction of start element, then directly to increase progressively according to progressive law on another sending direction.
Furthermore, described progressive law meets the ID value parity difference on two sending directions.
Both sides parity is different, then can ensure that both direction can not exist identical ID value, and on single direction equally due to ID value be increase progressively therefore also can not produce repetition, therefore, this mode just can avoid the generation in the process transmitting setting of ID value to repeat the mistake of setting.Both direction will ensure that the progressive law that parity is different has a lot, and such as, side increases progressively with the n power of 2, and opposite side increases progressively with the n power of 3.
Furthermore, the ID value of described start element is set to a, wherein on a sending direction, progressive law meets the ID value a+2N-1 of N number of mosaic screen unit after N-1 time sends, on another sending direction, progressive law meets the ID value of N number of mosaic screen unit after N-1 time sends for a+2N, and wherein a is positive integer.
This progressive law is the simplest, expense during calculating is less, such as, a is 1, being connected on the mosaic screen unit ID value progressive law before start element is a+2N-1, being connected on the mosaic screen unit ID value progressive law after start element is a+2N, then can obtain the mosaic screen unit ID value before being connected on start element and be respectively 2,4,6,8 etc., and the mosaic screen unit ID value after being connected on start element is respectively 1,3,5,7 etc.
Furthermore, the ID value of described start element is set by infrared signal transmission.
Adopt method of the present invention, can carry out again after mosaic screen unit assembles, thus avoid first powering on one by one to carry out the repetition operation process that rear re-assemble is dismantled in the setting of ID value again, and after assembly, because whole mosaic screen is comparatively large, and selected start element may be positioned at centre position, if adopt the mode of toggle switch to carry out the setting of ID value, more not convenient, therefore adopt infrared signal transmission can the long-range setting carrying out ID value, improve ID value and convenience is set.
Furthermore, each mosaic screen unit includes upstream Interface for connecting previous mosaic screen unit and the downstream interface for being connected a rear mosaic screen unit, the direction sent forward adopts the first progressive law, the direction sent backward adopts the second progressive law, when mosaic screen unit receives ID value from upstream Interface, adopt the first progressive law to increase ID value, and when mosaic screen unit receives ID value from downstream interface, adopt the second progressive law to increase ID value.
Because start element is arbitrarily selected, therefore each mosaic screen unit is when carrying out the increasing progressively of ID value, the ID value received by judging is needed from which direction to send, therefore by judging the interface receiving ID value, the direction of transfer of ID value can be learnt, thus adopt corresponding progressive law to increase ID value.
For implementing method of the present invention, present invention also offers corresponding ID Lookup protocol device, needing to carry out the problem that ID value arranges produced fallibility and inconvenience one by one to solve.
An ID Lookup protocol device for liquid crystal-spliced screen, for carrying out the setting of ID value to each mosaic screen unit in the complete liquid crystal-spliced screen of composition, comprising:
ID value sending module, is connected in series by preset order successively by each mosaic screen unit, information mutual communication between adjacent two the mosaic screen unit making serial connection;
Initial ID arranges module, after selection mosaic screen unit is as start element, arrange the ID value that module sets start element by initial ID;
ID value increases module, described ID value is sent respectively to the mosaic screen unit before being connected to start element and after being connected to start element in both direction by the ID value sending module of start element, on single sending direction, the ID value of each mosaic screen unit increases module and all ID value is carried out increasing the ID value as self by the progressive law preset after receiving ID value, and the ID value after increasing is sent to next mosaic screen unit along sending direction, until be sent to last mosaic screen unit; Wherein, the ID value progressive law on two sending directions makes all mosaic screen unit ID values all not identical.
Start element is selected arbitrarily, by ID value to different directions transmission with increase progressively the object realizing ID Lookup protocol, do not need the setting carrying out each mosaic screen unit artificially, each ID value is different in the same direction to adopt progressive law to ensure, and it is not all identical by all ID value after ensureing the restriction of progressive law to arrange, the mistake avoiding artificial setting to duplicate setting improves the efficiency of splicing, considerably increases convenience.
Furthermore, the described ID value described progressive law increased in module meets the ID value parity difference on two sending directions.
Both sides parity is different, then can ensure that both direction can not exist identical ID value, and on single direction equally due to ID value be increase progressively therefore also can not produce repetition, therefore, this mode just can avoid the generation in the process transmitting setting of ID value to repeat the mistake of setting.Both direction will ensure that the progressive law that parity is different has a lot, and such as, side increases progressively with the n power of 2, and opposite side increases progressively with the n power of 3.
Furthermore, described initial ID arranges module and the ID value of described start element is set to a, wherein on a sending direction, progressive law meets the ID value a+2N-1 of N number of mosaic screen unit after N-1 time sends, on another sending direction, progressive law meets the ID value of N number of mosaic screen unit after N-1 time sends for a+2N, and wherein a is positive integer.
Furthermore, the infrared signal receiver that the ID value of described start element is arranged in module by described initial ID is arranged.
This progressive law is the simplest, expense during calculating is less, such as, a is 1, being connected on the mosaic screen unit ID value progressive law before start element is a+2N-1, being connected on the mosaic screen unit ID value progressive law after start element is a+2N, then can obtain the mosaic screen unit ID value before being connected on start element and be respectively 2,4,6,8 etc., and the mosaic screen unit ID value after being connected on start element is respectively 1,3,5,7 etc.
Furthermore, the ID value sending module of each mosaic screen unit includes upstream Interface for connecting previous mosaic screen unit and the downstream interface for being connected a rear mosaic screen unit, the direction sent forward adopts the first progressive law, the direction sent backward adopts the second progressive law, when the ID value increase module of mosaic screen unit receives ID value from upstream Interface, the first progressive law is adopted to increase ID value, and when the ID value increase module of mosaic screen unit receives ID value from downstream interface, adopt the second progressive law to increase ID value.
Because start element is arbitrarily selected, therefore each mosaic screen unit is when carrying out the increasing progressively of ID value, the ID value received by judging is needed from which direction to send, therefore by judging the interface receiving ID value, the direction of transfer of ID value can be learnt, thus adopt corresponding progressive law to increase ID value.
The present invention mainly solves liquid crystal-spliced screen in project beginning, can arrange the ID sequence number of every block single screen automatically, fast, accurately, easily.Without the need to manually arranging one by one for the every block single screen in combination, as long as choose any one mosaic screen unit, Lookup protocol instruction is assigned by Infrared remote controller one key, the ID Lookup protocol of the whole mosaic screen unit in combination can be completed, save the time of project construction and reduce while human input, can also ensure the accuracy arranged completely, namely the ID sequence number of all mosaic screens is unique.
Accompanying drawing explanation
Fig. 1 is the liquid crystal-spliced screen splicing schematic diagram of one embodiment of the invention.
Embodiment
For making the present invention clearly understand, existing by reference to the accompanying drawings and the embodiment explanation explanation in addition detailed to the present invention.
One embodiment of the invention is illustrated method of the present invention and device for the liquid crystal-spliced screen of 3*3 scale in Fig. 1, mosaic screen unit A in Fig. 1 ~ mosaic screen unit I constitutes overall liquid crystal-spliced screen, the module that the ID Lookup protocol device being wherein equipped with present example of the present invention in each mosaic screen unit comprises, module comprises: initial ID arranges module, ID value sending module and ID value increases module.
Carry out sequential concatenation by the preset order shown in Fig. 1 by the RS232 serial ports in ID value sending module between each mosaic screen unit in present example, keep being interconnected.In other implementations, can on demand with other various default sequential concatenation, serial connection order can be such as that mosaic screen unit foremost is counterclockwise connected in series from outside to inside successively with the mosaic screen unit of lower left, or is connected in series etc. successively in mode vertical after first level from the concatenation unit of the upper left corner.
The ID value sending module of each mosaic screen unit comprises dual serial interface (serial ports), and one is up serial ports by drive plate software definition, and one is descending serial ports by drive plate software definition.In the liquid crystal-spliced screen of entirety formed, must be the up serial ports that the descending serial ports of previous mosaic screen unit connects next mosaic screen unit when mosaic screen unit is connected by serial ports, and bidirectional data communication can be carried out by Serial Port Line by two mosaic screen unit that serial ports is connected.
Mosaic screen unit A is have chosen and mosaic screen unit F is example in Fig. 1 shown in present example, the object choosing two in FIG in combination, selects the mosaic screen of optional position all can reach the object of whole mosaic screen configuration in the configuration of reality, as long as choose a mosaic screen unit in order to illustrating.Initial ID arranges module and can configure on each mosaic screen unit, also after selected start element, can carry out carry again, in present example, is carry out carry again after selected.If selected mosaic screen unit A is as start element, then on the mosaic screen unit A of infrared signal receiver carry in liquid crystal display splicing wall that initial ID arranges module; If selected mosaic screen unit F is as start element, then in the mosaic screen unit F of infrared signal receiver carry in liquid crystal-spliced screen that initial ID arranges module.
By Infrared remote controller, the instruction that ID sequence number configures automatically is assigned to the mosaic screen unit that this is chosen, when to receive and after resolving instruction, the ID sequence number of self is set as 001 by this mosaic screen unit, i.e. ID value a=1.Current ID value is carried out the transmission of ID value by mosaic screen unit by the up serial ports in ID value transmitting element and descending serial ports simultaneously, after on two sending directions, each mosaic screen unit receives ID value, utilize the ID value of self to increase module increase the ID value as self to received ID value and utilize ID value sending module to continue to transmit, wherein the first progressive law of sending direction (sending to previous mosaic screen unit) is not identical with the second progressive law of sending direction (a mosaic screen unit sends backward) backward forward, and the parity of ID value on two sending directions is different.
For mosaic screen unit F, the descending serial ports of the next mosaic screen unit in forward direction is passed to by up serial ports, after next mosaic screen unit (i.e. mosaic screen unit E) receives, its ID value increases module with the first progressive law calculating and setting ID value of a+2N (i.e. 2N+1), obtaining ID value is 3, then be set to 003, be provided with rear continuation to be transmitted from ID value sending module by the descending serial ports of its up serial ports toward next mosaic screen unit, it is 005 that next mosaic screen unit (mosaic screen cells D) then arranges ID sequence number, the like complete descending all liquid crystal displays ID arrange, same, in sequence number be 001 mosaic screen unit on, if when its descending serial ports and other mosaic screen unit have a serial connection relation, ID value 1 is passed to the up serial ports of the next mosaic screen unit (mosaic screen unit G) in backward directions, after next mosaic screen unit receives, its ID value increases module with the second progressive law calculating and setting ID value of a+2N-1 (i.e. 2N), corresponding ID sequence number is set to 002, again ID value 2 is passed to the up serial ports of next mosaic screen unit (mosaic screen unit H), it is 4 that next mosaic screen unit arranges ID value, the like.
And if start element is for being positioned at foremost position (up serial ports does not arrive the connection of next mosaic screen unit) or terminal position (descending serial ports does not arrive the next connection connecting boundary's screen unit), such as shown in Figure 1, using mosaic screen unit A as start element (mosaic screen unit foremost), its mosaic screen unit forward sending direction not existing the so subsequently received ID value of mosaic screen unit directly carries out increasing progressively with second progressive law of 2N.For terminal position as start element, in like manner can obtain, the mosaic screen unit of follow-up transmission all increases progressively with first progressive law of 2N+1.
As above, no matter choose the position of which mosaic screen unit in combination, be all provided with the ID sequence number Lookup protocol of all mosaic screen unit by a key, and do not repeat, accurately quick and convenient.
The present invention mainly solves liquid crystal-spliced screen in project beginning, can arrange the ID sequence number of every block single screen automatically, fast, accurately, easily.Without the need to manually arranging one by one for the every block single screen in combination, as long as choose any one mosaic screen unit, Lookup protocol instruction is assigned by Infrared remote controller one key, the ID Lookup protocol of the whole mosaic screen unit in combination can be completed, save the time of project construction and reduce while human input, can also ensure the accuracy arranged completely, namely the ID sequence number of all mosaic screens is unique.

Claims (10)

1. an ID automatic setting method for liquid crystal-spliced screen, for carrying out the setting of ID value to each mosaic screen unit in the complete liquid crystal-spliced screen of composition, is characterized in that, comprising:
Each mosaic screen unit is connected in series successively by preset order, information mutual communication between adjacent two the mosaic screen unit making serial connection;
The ID value of start element is set after selection mosaic screen unit is as start element;
Described ID value is sent respectively to the mosaic screen unit before being connected to start element and after being connected to start element in both direction by start element, on single sending direction, ID value is all undertaken increasing the ID value as self by the progressive law preset by each mosaic screen unit after receiving ID value, and the ID value after increasing is sent to next mosaic screen unit along sending direction, until be sent to last mosaic screen unit; Wherein, the ID value progressive law on two sending directions makes all mosaic screen unit ID values all not identical.
2. the ID automatic setting method of liquid crystal-spliced screen as claimed in claim 1, is characterized in that, the ID value parity that described progressive law meets on two sending directions is different.
3. the ID automatic setting method of liquid crystal-spliced screen as claimed in claim 1, it is characterized in that, the ID value of described start element is set to a, wherein on a sending direction, progressive law meets the ID value a+2N-1 of N number of mosaic screen unit after N-1 time sends, on another sending direction, progressive law meets the ID value of N number of mosaic screen unit after N-1 time sends for a+2N, and wherein a is positive integer.
4. the ID automatic setting method of liquid crystal-spliced screen as claimed in claim 1, is characterized in that, the ID value of described start element set by infrared signal transmission.
5. the ID automatic setting method of liquid crystal-spliced screen as claimed in claim 1, it is characterized in that, each mosaic screen unit includes upstream Interface for connecting previous mosaic screen unit and the downstream interface for being connected a rear mosaic screen unit, the direction sent forward adopts the first progressive law, the direction sent backward adopts the second progressive law, when mosaic screen unit receives ID value from upstream Interface, the first progressive law is adopted to increase ID value, and when mosaic screen unit receives ID value from downstream interface, adopt the second progressive law to increase ID value.
6. an ID Lookup protocol device for liquid crystal-spliced screen, for carrying out the setting of ID value to each mosaic screen unit in the complete liquid crystal-spliced screen of composition, is characterized in that, comprising:
ID value sending module, is connected in series by preset order successively by each mosaic screen unit, information mutual communication between adjacent two the mosaic screen unit making serial connection;
Initial ID arranges module, after selection mosaic screen unit is as start element, arrange the ID value that module sets start element by initial ID;
ID value increases module, described ID value is sent respectively to the mosaic screen unit before being connected to start element and after being connected to start element in both direction by the ID value sending module of start element, on single sending direction, the ID value of each mosaic screen unit increases module and all ID value is carried out increasing the ID value as self by the progressive law preset after receiving ID value, and the ID value after increasing is sent to next mosaic screen unit along sending direction, until be sent to last mosaic screen unit; Wherein, the ID value progressive law on two sending directions makes all mosaic screen unit ID values all not identical.
7. the ID Lookup protocol device of liquid crystal-spliced screen as claimed in claim 6, is characterized in that, the described ID value described progressive law increased in module meets the ID value parity difference on two sending directions.
8. the ID Lookup protocol device of liquid crystal-spliced screen as claimed in claim 6, it is characterized in that, described initial ID arranges module and the ID value of described start element is set to a, wherein on a sending direction, progressive law meets the ID value a+2N-1 of N number of mosaic screen unit after N-1 time sends, on another sending direction, progressive law meets the ID value of N number of mosaic screen unit after N-1 time sends for a+2N, and wherein a is positive integer.
9. the ID Lookup protocol device of liquid crystal-spliced screen as claimed in claim 6, it is characterized in that, the infrared signal receiver that the ID value of described start element is arranged in module by described initial ID is arranged.
10. the ID Lookup protocol device of liquid crystal-spliced screen as claimed in claim 6, it is characterized in that, the ID value sending module of each mosaic screen unit includes upstream Interface for connecting previous mosaic screen unit and the downstream interface for being connected a rear mosaic screen unit, the direction sent forward adopts the first progressive law, the direction sent backward adopts the second progressive law, when the ID value increase module of mosaic screen unit receives ID value from upstream Interface, the first progressive law is adopted to increase ID value, and when the ID value increase module of mosaic screen unit receives ID value from upstream Interface, the second progressive law is adopted to increase ID value.
CN201510688677.3A 2015-10-22 2015-10-22 The ID automatic setting method and device of liquid crystal-spliced screen Active CN105204810B (en)

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