CN108873746A - A kind of control method for showing equipment and showing equipment - Google Patents
A kind of control method for showing equipment and showing equipment Download PDFInfo
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- CN108873746A CN108873746A CN201810611058.8A CN201810611058A CN108873746A CN 108873746 A CN108873746 A CN 108873746A CN 201810611058 A CN201810611058 A CN 201810611058A CN 108873746 A CN108873746 A CN 108873746A
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- memory
- display equipment
- display
- matched
- equipment
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G5/00—Control arrangements or circuits for visual indicators common to cathode-ray tube indicators and other visual indicators
- G09G5/14—Display of multiple viewports
Abstract
The invention discloses a kind of display equipment, including：First memory, for the program needed for storing under single screen working condition；Second memory, for the program needed for storing under multi-screen working condition；Transmission port, the signal sent for receiving other matched display equipment；Controller, for judging this display equipment display apparatus interconnection whether matched with other according to transmission port received signal；If so, closing first memory, second memory is opened, makes this display equipment display apparatus interconnection composition multi-screen device matched with other, is in multi-screen working condition；If it is not, then opening first memory, second memory is closed, this display equipment is made to work independently as single screen equipment, is in single screen working condition.The invention also discloses a kind of control methods for showing equipment.Implement the present invention, display equipment can work independently but also display equipment matched with other composition multi-screen device, two kinds of working conditions do not interfere with each other, can operate normally.
Description
The application is application number 201610109114.9, on 2 26th, 2016 applying date, " a kind of display is set denomination of invention
The divisional application of standby and display equipment control method ".
Technical field
The present invention relates to field of computer technology more particularly to a kind of display equipment and the control method for showing equipment.
Background technique
Early stage computer system mainly consists of three parts：Display, host and input equipment, with the hair of display technology
Kinescope has been eliminated in exhibition, especially liquid crystal display, and manufacturer computer starts host to be integrated into display, has gradually appeared existing
Computer all-in-one machine, smart television, intelligent interaction plate in technology etc. have both the display equipment of computer function；These displays are set
It is standby to have incorporated the multinomial technology such as human-computer interaction, FPD, multimedia signal processing and network transmission, it is business in the information age
The preferred solution of the interactive demonstrations such as display, office, teaching.In recent years, it is big to be spliced by multiple display equipment
Screen picture shows to have obtained wider application, super large picture, multihead display and display clear, true to nature brought by it
Effect makes the working efficiency in the fields such as monitoring, security protection, meeting be greatly improved, while promoting these industry technologies level
Rapid advances.
Two or more display equipment are fixedly connected by common splicing large screen, i.e. multi-screen device in design process
Together, since size is larger, many difficulties are often had in the handling process；And in practice, splicing large screen makes
It is not high with frequency, for example it is used in the splicing large screen of meeting room, it will result in the idle of resource when no meeting.
Accordingly it is contemplated that not being fixedly connected with multiple display equipment during design and producing, and it will show equipment again when in use
It is stitched together, realizes that the program of multiple display equipment interconnects by two-way communication link line, thus can individually transport each
It shows equipment, reduces the difficulty in transportational process.But if such display equipment is only capable of getting up to use in splicing interconnection,
It cannot be used when as individual complete machine and the waste of resource.And it is a variety of due to having when display equipment splicing interconnection work
Operating mode (for example screen extension or duplication display may be selected in multiple display equipment), therefore, when interconnection is got up to work, operation system
System, application software, UI (Use Interface, user interface) etc. run element all can with when working separately as complete machine
Difference, these operation elements are correspondingly stored in memory in the form of program with storage address；Therefore, if display
Memory in equipment places program when interconnection is got up, then being used as when independent complete machine cannot use, and individually makees if placed
Program when for complete machine, work again can be abnormal when that may be interconnected.It in the prior art can be not mating with other
Display equipment used in combination as splicing large screen, and can work independently and the display equipment of normal operation and support this
The control method of kind display equipment.
Summary of the invention
The purpose of one aspect of the present invention is, provide one kind can display equipment matched with other in combination as more
Screen equipment uses, and can work independently, and two kinds of working conditions are interference-free mutually, the display equipment that can be operated normally, and solves
In the prior art, the problems such as multi-screen device difficult, resources idle wastes.
To achieve the goals above, the present invention provides a kind of display equipment, including:
First memory, for the program needed for storing under single screen working condition；
Second memory, for the program needed for storing under multi-screen working condition；
Transmission port, the signal sent for receiving other matched display equipment；
Controller, for judging whether this display equipment is mating with other according to the transmission port received signal
Display apparatus interconnection；If so, closing the first memory, the second memory is opened, makes this display equipment and its
He forms multi-screen device by matched display apparatus interconnection, is in multi-screen working condition；If it is not, the first memory is then opened,
The second memory is closed, this display equipment is made to work independently as single screen equipment, is in single screen working condition.
Further, the controller is used to judge that this display equipment is according to the transmission port received signal
No display apparatus interconnection matched with other, specially：
In this display device starting-up, timing is executed；
Detect whether the transmission port receives n times interconnection signal in first time threshold；If so, determining that this is aobvious
Show equipment display apparatus interconnection matched with other；If not, it is determined that this display equipment display equipment not matched with other is mutual
Even；Wherein, N >=1.
Further, the transmission port is also used in this display device starting-up, is sent out to other matched display equipment
Send interconnection signal.
The first chip select terminal mouth, the second memory are configured on the first memory in one of the embodiments,
It is upper to be configured with the second chip select terminal mouth；
The controller is by sending effective first chip selection signal to the first chip select terminal mouth, to open described first
Memory；The controller is by sending the first invalid chip selection signal to the first chip select terminal mouth, to close described first
Memory；
The controller is by sending effective second chip selection signal to the second chip select terminal mouth, to open described second
Memory；The controller is by sending the second invalid chip selection signal to the second chip select terminal mouth, to close described second
Memory.
The display equipment further includes in one of the embodiments,：
First switch circuit, the power supply for first memory described on or off；
Second switch circuit, the power supply for second memory described on or off；
The controller is by sending effective first enable signal to the first switch circuit, so that described first opens
The power supply of the first memory is connected in powered-down road, opens the first memory；The controller to described first by opening
Powered-down road sends the first invalid enable signal, so that the first switch circuit turns off the power supply of the first memory, closes
Close the first memory；
The controller is by sending effective second enable signal to the second switch circuit, so that described second opens
The power supply of the second memory is connected in powered-down road, opens the second memory；The controller to described second by opening
Powered-down road sends the second invalid enable signal, so that the second switch circuit turns off the power supply of the second memory, closes
Close the second memory.
Further, the display equipment further includes：
Third memory, for the program needed for storing under the single screen working condition backed up；
4th memory, for the program needed for storing under the multi-screen working condition backed up；
The controller is also used to after determining this display equipment display apparatus interconnection not matched with other, if
The first memory cisco unity malfunction is detected in two time thresholds, then opens the third memory；
The controller is also used to after determining this display equipment display apparatus interconnection matched with other, if second
The second memory cisco unity malfunction is detected in time threshold, then opens the 4th memory.
Preferably, the transmission port is to support the port of RS232 signal transmission.
The purpose of another aspect of the present invention is, provides a kind of control method for showing equipment, makes to show that equipment can be with
Other matched display equipment are used in combination as multi-screen device, and can be worked independently, and two kinds of working conditions are mutually not
It is disturbed, can operate normally.
To achieve the goals above, the present invention provides a kind of control method for showing equipment, including：
The signal that other matched display equipment are sent is received by transmission port；
According to the transmission port received signal, judge that whether matched with other this display equipment display equipment is mutual
Even；If so, closing the first memory in this display equipment, the second memory in this display equipment is opened, this display is made
Equipment display apparatus interconnection matched with other forms multi-screen device, is in multi-screen working condition；If it is not, then opening described first
Memory closes the second memory, this display equipment is made to work independently as single screen equipment, is in single screen working condition；
Wherein, program needed for being stored with single screen working condition in the first memory, the second memory storage
Program needed for having multi-screen working condition.
Further, the control method of the display equipment further includes：
After determining this display equipment display apparatus interconnection not matched with other, if being detected in second time threshold
To the first memory cisco unity malfunction, then third memory is opened；
After determining this display equipment display apparatus interconnection matched with other, if being detected in second time threshold
The second memory cisco unity malfunction then opens the 4th memory；
Wherein, program needed for being stored with the single screen working condition of backup in the third memory, the 4th storage
Program needed for device is stored with the multi-screen working condition of backup.
Further, described according to the transmission port received signal, judge whether this display equipment matches with other
The display apparatus interconnection of set, specially：
In this display device starting-up, timing is executed；
Detect whether the transmission port receives n times interconnection signal in first time threshold；If so, determining that this is aobvious
Show equipment display apparatus interconnection matched with other；If not, it is determined that this display equipment display equipment not matched with other is mutual
Even；Wherein, N >=1.
The invention has the following beneficial effects：
Display equipment provided in an embodiment of the present invention and the control method for showing equipment, are equipped with two memories, according to biography
Defeated interface it is received other it is matched display equipment send signals, judge the display whether matched with other of this display equipment
Apparatus interconnection further judges to run first memory or second memory；Since two memories store single screen respectively
Program needed under program and multi-screen working condition needed under working condition, i.e., operating system under single screen working condition are answered
It is respectively stored in two memories mutually not with operating system, application software and the UI under software and UI and multi-screen working condition
Interference；Therefore, display equipment provided by the invention can be in single screen working condition, independent to work normally；It can match again with other
The display equipment composition multi-screen device of set is in multi-screen working condition, runs interconnecting program；And two kinds of working conditions are not interfere with each other,
It can operate normally.Solve in the prior art, multi-screen device transport difficult, resources idle waste the problems such as.
Detailed description of the invention
Fig. 1 is the structural block diagram of display equipment provided by the invention；
Fig. 2 is the schematic diagram of the first embodiment of display equipment provided by the invention；
Fig. 3 is the schematic diagram of the second embodiment of display equipment provided by the invention；
Fig. 4 is a kind of schematic diagram of embodiment of the first switch circuit in second embodiment of the invention；
Fig. 5 is the flow chart of the control method of display equipment provided by the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It is the structural block diagram of display equipment provided by the invention referring to Fig. 1, Fig. 1, which includes：
First memory 1, for the program needed for storing under single screen working condition；
Second memory 2, for the program needed for storing under multi-screen working condition；
Transmission port 3, the signal sent for receiving other matched display equipment；
Controller 4, for judging whether this display equipment is matched with other according to 3 received signal of transmission port
Show apparatus interconnection；If so, closing first memory 1, second memory 2 is opened, keeps this display equipment matched with other
It shows that apparatus interconnection forms multi-screen device, is in multi-screen working condition；If it is not, then opening first memory 1, the second storage is closed
Device 2 makes this display equipment work independently as single screen equipment, is in single screen working condition.
Wherein, controller 4 is used for judging whether this display equipment is mating with other according to transmission port received signal
Display apparatus interconnection, specially：
In this display device starting-up, timing is executed；
Whether detection transmission port 3 receives n times interconnection signal in first time threshold；If so, determining this display
Equipment display apparatus interconnection matched with other；If not, it is determined that this display equipment display apparatus interconnection not matched with other；
Wherein, N >=1.
Further, transmission port 3 is also used in this display device starting-up, is sent to other matched display equipment mutual
Even signal.
Display equipment provided by the invention, is equipped with first memory 1 and second memory 2, under single screen working condition
Operating system, application software and UI etc. are stored in first memory 1 in the form of program, the operation system under multi-screen working condition
System, application software and UI etc. are stored in second memory 2 in the form of program；
When this display equipment display apparatus interconnection matched with other gets up, controller 4 executes timing after booting, due to
It is equipped with the transmission port 3 for sending and receiving signal, therefore, if to this display equipment after other mating display device starting-ups
Interconnection signal is sent, transmission port 3 can receive interconnection signal, and controller 4 can detect that transmission connects in first time threshold
Mouth 3 has received interconnection signal, determines this display equipment display apparatus interconnection matched with other, then closes first memory 1,
Second memory 2 is opened, makes this display equipment display apparatus interconnection composition multi-screen device matched with other, works in multi-screen
State；
In order to improve the reliability for judging interconnection, it can be set to work as to receive repeatedly to interconnect in first time threshold and believe
Number, just determine this display equipment display apparatus interconnection matched with other, i.e. it is mutual to receive n times in first time threshold for setting
Even signal just determines this display equipment display apparatus interconnection matched with other；While controller executes timing after powering,
This display equipment sends interconnection signal to other matched display equipment also by transmission port 3, to guarantee that other are matched aobvious
Show that equipment can also receive interconnection signal, other matched display equipment is made to be also at multi-screen working condition；
When showing that equipment display apparatus interconnection not matched with other gets up, after display device starting-up, controller 4 is held
Row timing, will not receive interconnection signal in first time threshold, thus controller 4 can determine this display equipment not with other
Matched display apparatus interconnection then opens first memory 1, closes second memory 2, sets this display equipment as single screen
It is standby to work independently, it is in single screen working condition.
Referring to fig. 2, Fig. 2 is the schematic diagram of the first embodiment of display equipment provided by the invention；In the present embodiment, transmission
Port 3 is the port UART, and the first chip select terminal mouth 11 is configured on first memory 1, is selected on second memory 2 configured with second
Port 21；
Controller 4 is by sending effective first chip selection signal to the first chip select terminal mouth 11, to open first memory 1；
By sending the first invalid chip selection signal to the first chip select terminal mouth 11, to close first memory 1；By to the second chip select terminal
Mouth 21 sends effective second chip selection signals, to open second memory 2；By sending invalid to the second chip select terminal mouth 21
Two chip selection signals, to close second memory 2.
After it is in single screen working condition or multi-screen working condition that display equipment, which has determined, display equipment starts work
Make, show and be equipped with central processing unit 7 in equipment, in the course of work, shows that the central processing unit 7 of equipment sends address to address
In bus, address bus is divided into two, and is separately connected first memory 1 and second memory 2, since only one memory is opened
It opens, therefore the address that only one memory sends central processing unit 7 is reacted, the corresponding program in the address is returned to
Central processing unit 7.
In the case where central processing unit 7 detects that same user inputs information, due under single screen working condition and more
The memory opened under screen working condition is different, therefore the program called is different, and the operation of execution is also different, multi-screen working condition
Lower display equipment has the function of information sharing abundant.Such as when user is carried out by modes such as remote controler, keyboard or touch screens
When volume adjustment, if being that first memory 1 is opened in display equipment, central processing unit 7 obtains the journey of the passback of first memory 1
The operation executed after sequence is only to carry out volume adjustment to this display equipment；And if being that second memory 2 is opened in display equipment,
It is in multi-screen working condition, it is aobvious that the operation that central processing unit 7 obtains executing after the program of the passback of second memory 2 is not only this
Show that equipment carries out volume adjustment, it would also be desirable to which the information of volume adjustment passes to other matched display equipment, synchronizes tune
It is whole；Under double screen working condition, based on the program in second memory 2, print screen or extension, i.e. this display can also be performed
Equipment display equipment matched with other shows that same image or extension are merged into a display image screen；This display is set
Channel switching is realized in standby acceptable display equipment collaboration work matched with other, for example, current this display equipment is matched with one
The display device extension of set shows an image, when user carries out channel switching to this display equipment, matched display equipment
Current image is shown alone, and other operations of user then can be performed in this display equipment.
Further, in this embodiment display equipment further include：
Third memory 5, for the program needed for storing under the single screen working condition backed up；
4th memory 6, for the program needed for storing under the multi-screen working condition backed up；
The controller 4 is also used to after determining this display equipment display apparatus interconnection not matched with other, if
1 cisco unity malfunction of first memory is detected in second time threshold, then opens the third memory 5；The control
Device 4 processed is also used to after determining this display equipment display apparatus interconnection matched with other, if examining in second time threshold
2 cisco unity malfunction of second memory is measured, then opens the 4th memory 6.
In the present embodiment, during display equipment is in single screen working condition, and first memory 1 is damaged, can not be right
Central processing unit 7 send address react, controller 4 by with 7 connecting detection of central processing unit in the second time threshold
First memory 1 cisco unity malfunction in being worth, then open third memory 5, and third memory 5 is by the single screen working condition of backup
Under required program return to central processing unit, that is, reach after first memory 1 damages that there are also the mesh that stand-by program can be run
's.
During display equipment is in multi-screen working condition, and second memory 2 damages, and can not send out central processing unit
The address sent is reacted, controller 4 by with 7 connecting detection of central processing unit to the second memory in second time threshold
2 cisco unity malfunctions, then open the 4th memory 6, and the 4th memory 6 returns program required under the multi-screen working condition of backup
It is transmitted to central processing unit, that is, achievees the purpose that there are also stand-by programs to run after the damage of second memory 2.
Further, it if necessary to upgrade to the program in memory, for example needs through external storage medium
First memory 1 is upgraded, then under single screen working condition, central processing unit 7 reads the program in storage medium to the
1 program of one memory is upgraded, and after upgrading, controller 4 closes first memory 1, opens third memory 5, in
Central processor 7 upgrades stand-by program.The upgrading principle of second memory 2 is similar with first memory, herein not in detail
It repeats.
It is the schematic diagram of the second embodiment of display equipment provided by the invention referring to Fig. 3, Fig. 3；The present embodiment with it is above-mentioned
The difference of embodiment is：Transmission port 3 is to support the port of RS232 signal transmission, for example, transmission port 3 can be RS232
Port, or the port for the support RS232 signal transmission that the port UART is formed by UART RS 232 circuit 10；When aobvious
Show that equipment size is larger or the reasons such as the position of controller setting lead to the display matched with other of the controller 4 of this display equipment
When the controller distance of equipment is more than 10cm, the reliability transmitted at a distance can guarantee using the transmission of RS232 signal；
In addition, in the present embodiment, display equipment further includes：
First switch circuit 8, the power supply for first memory described on or off；
Second switch circuit 9, the power supply for second memory described on or off；
The controller 4 is by sending effective first enable signal to the first switch circuit 8, so that described first
The power supply VCC of the first memory 1 is connected in switching circuit 8, opens the first memory 1；The controller 4 is by institute
It states first switch circuit 8 and sends the first invalid enable signal, so that the first switch circuit 8 turns off the first memory
1 power supply closes the first memory 1；
The controller 4 is by sending effective second enable signal to the second switch circuit 9, so that described second
The power supply VCC of the second memory 2 is connected in switching circuit 9, opens the second memory 2；The controller 4 is by institute
It states second switch circuit 9 and sends the second invalid enable signal, so that the second switch circuit 9 turns off the second memory
2 power supply VCC closes the second memory 2.
Referring to fig. 4, Fig. 4 is a kind of schematic diagram of embodiment of the first switch circuit in second embodiment of the invention；
The first switch circuit 8 includes enable end EN, output end OUT, power connector end and field-effect tube Q1, triode Q2, first
Resistance R1, second resistance R2,3rd resistor R3, first capacitor C1, the second capacitor C2.Specifically, enable end EN is for connecting control
Device 4 processed, output end OUT is for connecting first memory 1, and power connector end is for connecting power supply VCC；Power connector end connection the
The first end of one resistance R1, the first end of enable end EN connection 3rd resistor, the second end connecting triode Q2's of 3rd resistor
Base stage, the emitter ground connection of triode Q2, collector connect the second end of first resistor R1, and the collector of triode Q2 is also connected with
The first end of second resistance R2, the grid of the second end connection field-effect tube Q1 of second resistance R2, the source electrode of field-effect tube Q1 connect
Power connector end is connect, the drain electrode of field-effect tube connects output end OUT；
In present embodiment, effective first enable signal is high level signal, when controller 4 is to first switch circuit 8
Effective first enable signal is sent, i.e. enable end EN is high level, and triode Q2 conducting, the grid of field-effect tube Q2 is logical at this time
Second resistance R2 ground connection is crossed, source electrode connects power supply VCC, and the pressure drop between source electrode and grid is big, therefore field-effect tube Q1 is connected, and first
Memory 1 is powered, therefore opens first memory 1；The first invalid enable signal is low level, and enable end EN is low
When level, the grid of triode Q2 cut-off, field-effect tube Q2 connects power supply VCC, source with first resistor R1 by second resistance R2
Pole connects power supply VCC, and the pressure drop between source electrode and grid is small, therefore field-effect tube Q1, and first memory 1 is not powered, therefore closes
First memory 1 is closed.The circuit structure of second switch circuit 9 is identical as first switch circuit 8, and this will not be repeated here.
It is the flow chart of the control method of display equipment provided by the invention referring to Fig. 5, Fig. 5；The control of the display equipment
Method includes：
S1, the signal that other matched display equipment are sent is received by transmission port；
S2, according to the transmission port received signal, judge that the display whether matched with other of this display equipment is set
Standby interconnection；
S3, if so, closing the first memory in this display equipment, open the second memory in this display equipment,
Make this display equipment display apparatus interconnection composition multi-screen device matched with other, is in multi-screen working condition；
S4, if it is not, then opening the first memory, close the second memory, make this display equipment as single screen
Equipment works independently, and is in single screen working condition；
Wherein, program needed for being stored with single screen working condition in the first memory, the second memory storage
Program needed for having multi-screen working condition.The display equipment is display equipment provided by the above embodiment.
When it is implemented, step S2 may include：
In this display device starting-up, timing is executed；
Detect whether the transmission port receives n times interconnection signal in first time threshold；If so, determining that this is aobvious
Show equipment display apparatus interconnection matched with other；If not, it is determined that this display equipment display equipment not matched with other is mutual
Even；Wherein, N >=1.
Using the control method of the display equipment, show that the controller in equipment is sentenced according to delivery port received signal
This display equipment of breaking display apparatus interconnection whether matched with other determines which memory used according to judging result, therefore,
Show that equipment no matter under which kind of working condition, can use dedicated memory, without there are two kinds of working conditions are mutual
Interference, work abnormal problem.
Specifically, the control method of the display equipment further includes：
After determining this display equipment display apparatus interconnection not matched with other, if being detected in second time threshold
To the first memory cisco unity malfunction, then third memory is opened；
After determining this display equipment display apparatus interconnection matched with other, if being detected in second time threshold
The second memory cisco unity malfunction then opens the 4th memory；
Wherein, program needed for being stored with the single screen working condition of backup in the third memory, the 4th storage
Program needed for device is stored with the multi-screen working condition of backup.
It can also be realized equipped with the display equipment of third memory and the 4th memory using the display control method
When first memory or second memory damage, have stand-by program that can run, improve display equipment operation can
By property.
Display equipment provided in an embodiment of the present invention and the control method for showing equipment, are equipped with two memories, according to biography
Defeated interface it is received other it is matched display equipment send signals, judge the display whether matched with other of this display equipment
Apparatus interconnection, then judgement runs first memory or second memory；Since two memories store single screen work respectively
Program needed under program and multi-screen working condition needed under state, therefore, display equipment provided by the invention can be in
Single screen working condition, it is independent to work normally；Again can matched with other display equipment composition multi-screen device be in multi-screen and work shape
State, operation interconnection program；And two kinds of working conditions are not interfere with each other, and can be operated normally.It solves in the prior art, multi-screen device
The problems such as transport difficult, resources idle waste.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principle of the present invention, several improvement and deformations can also be made, these improvement and deformations are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of display equipment, which is characterized in that including:
First memory, for the program needed for storing under single screen working condition；
Second memory, for the program needed for storing under multi-screen working condition；
Transmission port, the signal sent for receiving other matched display equipment；
Controller, for judging that whether matched with other this display equipment is aobvious according to the transmission port received signal
Show apparatus interconnection；If so, closing the first memory, the second memory is opened, matches this display equipment with other
The display apparatus interconnection of set forms multi-screen device, is in multi-screen working condition；If it is not, then opening the first memory, close
The second memory makes this display equipment work independently as single screen equipment, is in single screen working condition.
2. display equipment as described in claim 1, which is characterized in that the controller according to the transmission port for being connect
The signal of receipts judges this display equipment display apparatus interconnection whether matched with other, specially：
In this display device starting-up, timing is executed；
Detect whether the transmission port receives n times interconnection signal in first time threshold；If so, determining that this display is set
Standby display apparatus interconnection matched with other；If not, it is determined that this display equipment display apparatus interconnection not matched with other；Its
In, N >=1.
3. display equipment as claimed in claim 2, which is characterized in that the transmission port is also used in this display device starting-up
When, interconnection signal is sent to other matched display equipment.
4. display equipment as described in any one of claims 1 to 3, which is characterized in that configured with the on the first memory
It is a piece of to select port, the second chip select terminal mouth is configured on the second memory；
The controller is by sending effective first chip selection signal to the first chip select terminal mouth, to open first storage
Device；The controller is by sending the first invalid chip selection signal to the first chip select terminal mouth, to close first storage
Device；
The controller is by sending effective second chip selection signal to the second chip select terminal mouth, to open second storage
Device；The controller is by sending the second invalid chip selection signal to the second chip select terminal mouth, to close second storage
Device.
5. display equipment as described in any one of claims 1 to 3, which is characterized in that the display equipment further includes：
First switch circuit, the power supply for first memory described on or off；
Second switch circuit, the power supply for second memory described on or off；
The controller is by sending effective first enable signal to the first switch circuit, so that the first switch is electric
The power supply of the first memory is connected in road, opens the first memory；The controller passes through electric to the first switch
Road sends the first invalid enable signal, so that the first switch circuit turns off the power supply of the first memory, closes institute
State first memory；
The controller is by sending effective second enable signal to the second switch circuit, so that the second switch is electric
The power supply of the second memory is connected in road, opens the second memory；The controller passes through electric to the second switch
Road sends the second invalid enable signal, so that the second switch circuit turns off the power supply of the second memory, closes institute
State second memory.
6. display equipment as described in any one of claims 1 to 3, which is characterized in that the display equipment further includes：
Third memory, for the program needed for storing under the single screen working condition backed up；
4th memory, for the program needed for storing under the multi-screen working condition backed up；
The controller is also used to after determining this display equipment display apparatus interconnection not matched with other, if at second
Between detect the first memory cisco unity malfunction in threshold value, then open the third memory；
The controller is also used to after determining this display equipment display apparatus interconnection matched with other, if in the second time
The second memory cisco unity malfunction is detected in threshold value, then opens the 4th memory.
7. display equipment as described in any one of claims 1 to 3, which is characterized in that the transmission port is to support RS232 letter
Number transmission port.
8. a kind of control method for showing equipment, which is characterized in that including：
The signal that other matched display equipment are sent is received by transmission port；
According to the transmission port received signal, this display equipment display apparatus interconnection whether matched with other is judged；
If so, closing the first memory in this display equipment, the second memory in this display equipment is opened, makes this display equipment
Display apparatus interconnection matched with other forms multi-screen device, is in multi-screen working condition；If it is not, then opening first storage
Device closes the second memory, this display equipment is made to work independently as single screen equipment, is in single screen working condition；
Wherein, program needed for being stored with single screen working condition in the first memory, the second memory are stored with more
Program needed for shielding working condition.
9. the control method of display equipment as claimed in claim 8, which is characterized in that the control method of the display equipment is also
Including：
After determining this display equipment display apparatus interconnection not matched with other, if detecting institute in second time threshold
First memory cisco unity malfunction is stated, then opens third memory；
After determining this display equipment display apparatus interconnection matched with other, if being detected in second time threshold described
Second memory cisco unity malfunction then opens the 4th memory；
Wherein, program needed for being stored with the single screen working condition of backup in the third memory, the 4th memory are deposited
Program needed for containing the multi-screen working condition of backup.
10. the control method of display equipment as claimed in claim 8 or 9, which is characterized in that described according to the transmission port
Received signal judges this display equipment display apparatus interconnection whether matched with other, specially：
In this display device starting-up, timing is executed；
Detect whether the transmission port receives n times interconnection signal in first time threshold；If so, determining that this display is set
Standby display apparatus interconnection matched with other；If not, it is determined that this display equipment display apparatus interconnection not matched with other；Its
In, N >=1.
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| CN111813457A (en) * | 2020-07-20 | 2020-10-23 | 四川长虹电器股份有限公司 | Device and method for timing startup and shutdown of multi-screen advertising machine |
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| CN105676700B (en) * | 2016-02-26 | 2018-05-22 | 广州视睿电子科技有限公司 | A kind of control method of display device and display device |
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| Publication number | Publication date |
|---|---|
| WO2017143862A1 (en) | 2017-08-31 |
| CN105676700B (en) | 2018-05-22 |
| CN108873746B (en) | 2021-05-25 |
| CN105676700A (en) | 2016-06-15 |
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