CN112146706A - Monitoring method and monitoring system for LED display screen - Google Patents
Monitoring method and monitoring system for LED display screen Download PDFInfo
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- CN112146706A CN112146706A CN202011060686.5A CN202011060686A CN112146706A CN 112146706 A CN112146706 A CN 112146706A CN 202011060686 A CN202011060686 A CN 202011060686A CN 112146706 A CN112146706 A CN 112146706A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 169
- 238000000034 method Methods 0.000 title claims abstract description 35
- 230000002159 abnormal effect Effects 0.000 claims abstract description 33
- 239000000779 smoke Substances 0.000 claims description 18
- 239000003086 colorant Substances 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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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
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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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
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2612—Data acquisition interface
Abstract
The invention discloses a monitoring method and a monitoring system for an LED display screen, wherein the monitoring method for the display screen detects a receiving card which has a connection relation with a sending card when a monitoring instruction is received; the receiving card is a control card corresponding to the LED box body to be monitored, and the LED box bodies form an LED display screen for collecting monitoring parameters of the receiving card; then judging whether the time for acquiring the monitoring parameters reaches a monitoring period, if so, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result, otherwise, continuously acquiring the monitoring parameters of the LED display screen receiving card; compared with the existing scheme, the LED display screen monitoring system can monitor the LED display screen in all aspects, improves the monitoring efficiency, alarms when the LED display screen has problems, and timely informs workers to maintain.
Description
Technical Field
The invention belongs to the technical field of display screens, and particularly relates to a monitoring method and a monitoring system for an LED display screen.
Background
The advertisement media are propagation carriers for releasing advertisements to the public, and refer to substances and technical means used for propagating commodity or labor service information; in the current media era, LED display screens are used as display devices with advantages of large viewing angle, long service life, high brightness, and the like, more and more merchants are willing to choose to use LED display screens to publish their own product information, and advertising merchants need to play the product information provided by customers by using LED display screens disposed in areas with large traffic of people, such as LED display screens disposed in airports, stations, subway stations, and the like, according to the demands of the customers.
The LED display screen is mainly characterized in that a receiving card is used as a main part, and once the receiving card has a problem, the whole LED display screen is paralyzed and cannot work; and, the LED display screen comprises a plurality of LED boxes, and outdoor LED display screen then needs more LED boxes. Due to the large-scale integration, various faults are inevitable in the use process; and there is not a scheme of carrying out all-round control to the LED display screen among the prior art, consequently, the maintainer of LED screen can not carry out the pertinence maintenance.
Disclosure of Invention
In order to solve the above problems, the present invention provides a monitoring method for an LED display screen.
It is another object of the present invention to provide a monitoring system for an LED display screen.
The technical scheme adopted by the invention is as follows:
a monitoring method for an LED display screen is implemented according to the following steps:
s1, detecting the receiving card which has connection relation with the sending card when receiving the monitoring instruction; the receiving card is corresponding to the LED box body to be monitored, and the LED box bodies form an LED display screen;
s2, collecting the monitoring parameters of the receiving card;
s3, judging whether the time for collecting the monitoring parameters reaches the monitoring period, if so, entering S4, otherwise, returning to S1;
and S4, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result.
Preferably, the monitored parameter in S2 includes at least one of temperature, humidity, smoke, wind power of fan, power supply, voltage and loop backup.
Preferably, before the S1, the method further includes:
and S0, locking the current monitoring interface.
Preferably, the monitoring method further comprises:
and S5, unlocking the current monitoring interface.
Preferably, in S4, the monitoring parameters are compared with preset engineering parameters, and an alarm is given to a receiving card with an abnormal condition according to a comparison result, specifically:
s41, emptying the monitoring and analyzing result of the last time;
s42, comparing the collected temperature, humidity, smoke, fan, power supply, voltage and box door with preset corresponding engineering parameters, if not, filling error information and alarming;
the preset corresponding engineering parameters refer to standard values corresponding to all the parameters, the engineering parameters are set on an interface in corresponding monitoring software, and when the engineering parameters do not belong to the monitoring parameters of the receiving card, the corresponding positions of the interface display prominent colors;
s43, circularly detecting whether the loop backup of the sending card is normal, if not, entering S44, otherwise, filling error information and alarming;
and S44, recording data and filling a monitoring log.
Preferably, before comparing the monitoring parameter with the preset engineering parameter in S4, the method further includes:
and packaging the collected monitoring parameters.
Preferably, the collecting of the monitoring parameters of the LED display screen receiving card in S2 specifically includes:
collecting temperature through a temperature sensor;
acquiring humidity through a humidity sensor;
collecting the smoke concentration through a smoke sensor;
collecting wind power of a fan through a wind speed sensor;
collecting power supply through a power supply monitoring sensor;
the voltage is collected by a voltage sensor.
Preferably, the monitoring method further comprises:
when the temperature reaches a temperature threshold value, the fan starts to work; and the temperature threshold value can be set at the corresponding interface.
Preferably, the filling of the error information and the alarming are specifically:
when the parameters are abnormal, the icon corresponding to the wrong parameters flickers; and icons corresponding to all the abnormal parameters are displayed on the same side of the monitoring interface.
A monitoring system for an LED display screen is used for realizing the monitoring method for the LED display screen, and comprises the following steps: the device comprises a parameter acquisition unit, a judgment unit, a controller, an alarm unit and a timing unit;
the parameter acquisition unit is used for acquiring and acquiring monitoring parameters of the LED display screen receiving card and transmitting the monitoring parameters to the controller;
meanwhile, the timing unit records the time for acquiring the monitoring parameters;
when the judging unit judges that the time for acquiring the monitoring parameters reaches the monitoring period, the controller compares the monitoring parameters with preset engineering parameters and controls the working state of the alarm unit according to the comparison result.
Preferably, the parameter acquisition unit comprises a temperature sensor, a humidity sensor, a smoke sensor, a wind power sensor, a power supply monitoring sensor and a voltage sensor; and the temperature sensor, the humidity sensor, the smoke sensor, the wind power sensor, the power supply monitoring sensor and the voltage sensor are all provided with corresponding icons.
Compared with the prior art, when the method is implemented, the receiving card which has a connection relation with the sending card is detected when the monitoring instruction is received; the receiving card is a control card corresponding to the LED box body to be monitored, and the LED box bodies form an LED display screen; then collecting monitoring parameters of the receiving card; then judging whether the time for acquiring the monitoring parameters reaches a monitoring period, if so, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result;
the execution main body of the invention is a server where the monitoring software is located, when receiving a monitoring instruction sent by a user through the monitoring software, executing the mode of detecting the sending card to determine the sending card connected with the pc end where the monitoring software is located, detecting the receiving card having a connection relation with the sending card through the mode of detecting the receiving card, selecting a corresponding receiving card from the detected receiving cards or directly selecting all the detected receiving cards according to the LED box body to be monitored, wherein the monitoring instruction is generated after the monitoring operation of the monitoring software is opened by a user, the transmitting card is connected with at least one receiving card, the receiving card is a control card corresponding to an LED box body needing to be monitored, a plurality of LED box bodies form an LED display screen, and one box body at least corresponds to one receiving card; collecting monitoring parameters of a receiving card; then judging whether the time for acquiring the monitoring parameters reaches a monitoring period, if so, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result, otherwise, continuously acquiring the monitoring parameters of the LED display screen receiving card; compared with the prior art, the monitoring parameters of each receiving card are monitored in all aspects, the LED display screen can be monitored in all aspects, the monitoring efficiency is improved, when the LED display screen has problems, the alarm is given, and workers are timely informed to maintain.
Drawings
Fig. 1 is a flowchart of a monitoring method for an LED display screen according to embodiment 1 of the present invention;
fig. 2 is a system block diagram of a monitoring system for an LED display screen according to embodiment 2 of the present invention.
Wherein: 1. the device comprises a parameter acquisition unit, a judgment unit, a controller, an alarm unit, a timing unit, a temperature sensor, a humidity sensor, a smoke sensor, a wind sensor, a power supply monitoring sensor and a voltage sensor, wherein the judgment unit comprises 2, the controller comprises 3, the alarm unit comprises 4, the timing unit comprises 5, the temperature sensor is 11, the humidity sensor is 12, the smoke sensor is 13, the wind sensor is 14, the power supply monitoring sensor is 15, and.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
In the description of the present invention, it is to be understood that the terms "vertical", "lateral", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention, and do not mean that the device or member to which the present invention is directed must have a specific orientation or position, and thus, cannot be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example 1
Embodiment 1 of the present invention provides a monitoring method for an LED display screen, which is specifically implemented according to the following steps, as shown in fig. 1:
s1, detecting the receiving card which has connection relation with the sending card when receiving the monitoring instruction; the receiving card is a control card corresponding to the LED box body to be monitored, and the LED box bodies form an LED display screen;
s2, collecting the monitoring parameters of the receiving card;
specifically, a sensor acquires corresponding parameters, and the parameters are transmitted to monitoring software through a receiving card and a sending card in sequence;
s3, judging whether the time for collecting the monitoring parameters reaches the monitoring period, if so, entering S4, otherwise, returning to S1;
and S4, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result.
The execution main body of the scheme is a server where the monitoring software is located, when a monitoring instruction sent by a user through the monitoring software is received, executing the mode of detecting the sending card to determine the sending card connected with the pc end where the monitoring software is located, detecting the receiving card having a connection relation with the sending card through the mode of detecting the receiving card, selecting a corresponding receiving card from the detected receiving cards or directly selecting all the detected receiving cards according to the LED box body to be monitored, wherein the monitoring instruction is generated after the monitoring operation of the monitoring software is opened by a user, the transmitting card is connected with at least one receiving card, the receiving card is a control card corresponding to an LED box body needing to be monitored, a plurality of LED box bodies form an LED display screen, and one box body at least corresponds to one receiving card; collecting monitoring parameters of a receiving card; then judging whether the time for acquiring the monitoring parameters reaches a monitoring period, if so, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result, otherwise, continuously acquiring the monitoring parameters of the LED display screen receiving card; compared with the prior art, the monitoring parameters of each receiving card are monitored in all aspects, the LED display screen can be monitored in all aspects, the monitoring efficiency is improved, when the LED display screen has problems, the alarm is given, and workers are timely informed to maintain.
Specifically, before the S1, the method further includes:
s0, locking the current monitoring interface;
the step of locking the current monitoring interface in S0 includes:
closing all the current monitoring software which is in the process of happening, or waiting for the end of the data transmission which is in the process of happening, then locking the interfaces of all the monitoring software, and the user can not execute the operation of sending the instruction any more, wherein the data transmission refers to the operation except the monitoring, such as the operation of brightness correction existing in the monitoring software;
therefore, the data which is currently running is closed before monitoring, so that the monitoring work in the current monitoring software is not influenced by other data transmission, and the monitoring reliability is ensured.
Specifically, the monitored parameter in S2 includes at least one of temperature, humidity, smoke, wind power of the fan, power supply, and voltage; the parameters are corresponding to the receiving card;
the parameters in the present embodiment include the above parameters, but are not limited to the above parameters;
such as: for a receiving card in the LED box, the monitoring parameters further include whether the box door is in an open anomaly.
And S4, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result, specifically:
s41, emptying the monitoring and analyzing result of the last time;
s42, comparing the collected temperature, humidity, smoke, fan, power supply, voltage and box door with preset corresponding engineering parameters, if not, filling error information and alarming;
the preset corresponding engineering parameters refer to standard values corresponding to all the parameters, the engineering parameters are set on an interface in corresponding monitoring software, and when the engineering parameters do not belong to the monitoring parameters of the receiving card, the corresponding positions of the interface display prominent colors;
the preset corresponding engineering parameters refer to standard values corresponding to all the parameters;
the prominent color may be a relatively bright color, such as red;
s43, circularly detecting whether the loop backup of the sending card is normal, if not, entering S44, otherwise, filling error information and alarming;
the detection loop backup is that one sending card can be connected with a plurality of receiving cards (forming a closed loop) in a loop connection mode, namely the sending card 1-the receiving card 2-the sending card 1, and when one of the receiving cards is interrupted with the sending card or the receiving card, the detection loop backup can be detected by monitoring software;
and S44, recording data and filling a monitoring log.
Therefore, the data corresponding to each monitoring item parameter is traced through the monitoring log.
Before comparing the monitoring parameters with preset engineering parameters in the step S4, the method further includes:
packaging the collected monitoring parameters;
the significance of the processing is that each LED display screen may correspond to a plurality of receiving cards, the collected monitoring parameters are packaged, the same group of receiving card data can be used during parameter comparison, and the abnormal condition of interface refreshing caused by too short monitoring interval waiting is avoided.
Collecting monitoring parameters of the LED display screen receiving card in the S1, specifically:
collecting temperature through a temperature sensor;
acquiring humidity through a humidity sensor;
collecting the smoke concentration through a smoke sensor;
collecting wind power of a fan through a wind speed sensor;
collecting power supply through a power supply monitoring sensor;
collecting voltage through a voltage sensor;
the acquisition of the above parameters is not limited to acquisition by a sensor.
The monitoring method further comprises the following steps:
when the temperature reaches a temperature threshold value, the fan starts to work; and the temperature threshold value can be set at the corresponding interface.
In order to facilitate the staff to quickly see the abnormal parameters, the error information is filled and an alarm is given, specifically:
when the parameters are abnormal, the icon corresponding to the wrong parameters flickers; and the flashing icon is automatically switched to the main view of the monitoring system, and the corresponding parameter value is displayed; when more than one parameter is abnormal, icons corresponding to all abnormal parameters are displayed on the same side of the monitoring interface.
For example, when the temperature is abnormal, the main view switches to display the temperature values returned by all the receiving cards.
And if the receiving card with abnormal temperature exists, the icon corresponding to the temperature flickers.
In addition, in a specific embodiment, a user can designate that the same abnormal condition repeatedly appears for a plurality of times and then sends out a mail alarm; the user may specify that a recovery email be sent after the abnormal recovery; the target mailbox for sending the alarm mail can be specified to be multiple; the user can carry out self-defined editing on the default address of the sent mail; the user may send a test mail to check whether the current settings are in effect.
In addition, it should be noted that in S3, after each round of monitoring parameter acquisition, the time spent in the current round of monitoring needs to be checked and compared with the preset monitoring period in the monitoring setting, and if the time is less than the monitoring period, the next round of monitoring is not started until the time reaches the monitoring period; if the time interval is higher, or the user is found to trigger the refresh operation manually, the next round of monitoring is started directly.
In addition, in the scheme, before the step S1, a sending card may also be monitored, wherein in the monitoring process of the monitoring system, if a monitoring item of the sending card is abnormal (the monitoring item is abnormal including but not limited to off-line, signal abnormality, black screen and locking), an abnormal system or an abnormal monitoring item may be displayed in the monitoring system through a preset display mode, it should be noted that, once the sending card has alarm information in the monitoring process, the interface where the monitoring software is located may be automatically switched and displayed to the first sending card monitoring interface (from small to large in sequence number) where an alarm appears, and if the alarm of the card has been eliminated, the sending card may be automatically switched to the next sending card where an alarm exists; if the user switches manually, the automatic switching is not executed until the alarm of the current automatically switched card is eliminated.
In another embodiment, the monitoring method further comprises:
whether the module in the LED box temperature anomaly appears is judged, and specifically:
acquiring temperature data through a sensor installed in a module, transmitting the temperature data through receiving card-transmitting card-monitoring software, expressing the collected data in a thermodynamic diagram form, finding out a module with abnormal temperature through the thermodynamic diagram, wherein the module with abnormal temperature is composed of a plurality of modules, the modules need to be detected at the moment, and judging whether the module is caused by a fan (through the rotating speed and the rotation of the fan), and if the module with abnormal temperature is one module, the abnormal temperature is determined to be abnormal sensor;
thus, false alarm caused by abnormality of the sensor can be prevented through the scheme.
Example 2
thus, with the above structure, the parameter collecting unit 1 is used for collecting and collecting monitoring parameters of the receiving card of the LED display screen and transmitting the monitoring parameters to the controller 3; meanwhile, the timing unit 5 records the time for acquiring the monitoring parameters; when the judging unit 2 judges that the time for acquiring the monitoring parameters reaches the monitoring period, the controller 3 compares the monitoring parameters with preset engineering parameters, and controls the working state of the alarm unit 4 according to the comparison result.
Specifically, the parameter acquisition unit 1 comprises a temperature sensor 11, a humidity sensor 12, a smoke sensor 13, a wind sensor 14, a power supply monitoring sensor 15 and a voltage sensor 16; the temperature sensor 11, the humidity sensor 12, the smoke sensor 13, the wind sensor 14, the power supply monitoring sensor 15 and the voltage sensor 16 are provided with corresponding icons;
thus, when the parameter has an error, the icon corresponding to the error parameter flickers; and, the flashing icon is automatically switched to the main view of the monitoring system, which displays the corresponding parameter value.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A monitoring method for an LED display screen is characterized by comprising the following steps:
s1, detecting the receiving card which has connection relation with the sending card when receiving the monitoring instruction; the receiving card is a control card corresponding to the LED box body to be monitored, and the LED box bodies form an LED display screen;
s2, collecting the monitoring parameters of the receiving card;
s3, judging whether the time for collecting the monitoring parameters reaches the monitoring period, if so, entering S4, otherwise, returning to S1;
and S4, comparing the monitoring parameters with preset engineering parameters, and alarming the abnormal receiving card according to the comparison result.
2. The monitoring method for the LED display screen according to claim 1, wherein the monitoring parameters in S2 include at least one of temperature, humidity, smoke, wind power of fan, power supply, voltage and loop backup.
3. The monitoring method for the LED display screen according to claim 1 or 2, further comprising before said S1:
and S0, locking the current monitoring interface.
4. A monitoring method for an LED display screen according to claim 3, characterized in that the monitoring method further comprises:
and S5, unlocking the current monitoring interface.
5. The monitoring method for the LED display screen according to claim 4, wherein the monitoring parameters are compared with preset engineering parameters in S4, and an alarm is given to a receiving card with an abnormal condition according to the comparison result, specifically:
s41, emptying the monitoring and analyzing result of the last time;
s42, comparing the collected temperature, humidity, smoke, fan, power supply, voltage and box door with preset corresponding engineering parameters, if not, filling error information and alarming;
the preset corresponding engineering parameters refer to standard values corresponding to all the parameters, the engineering parameters are set on an interface in corresponding monitoring software, and when the engineering parameters do not belong to the monitoring parameters of the receiving card, the corresponding positions of the interface display prominent colors;
s43, circularly detecting whether the loop backup of the sending card is normal, if not, entering S44, otherwise, filling error information and alarming;
and S44, recording data and filling a monitoring log.
6. The monitoring method for the LED display screen according to claim 5, wherein before comparing the monitoring parameters with preset engineering parameters in the step S4, the method further comprises:
and packaging the collected monitoring parameters.
7. The monitoring method for the LED display screen according to claim 2, wherein the collecting of the monitoring parameters of the receiving card in S2 specifically includes:
collecting temperature through a temperature sensor;
acquiring humidity through a humidity sensor;
collecting the smoke concentration through a smoke sensor;
collecting wind power of a fan through a wind speed sensor;
collecting power supply through a power supply monitoring sensor;
the voltage is collected by a voltage sensor.
8. The monitoring method for the LED display screen according to claim 7, further comprising:
when the temperature reaches a temperature threshold value, the fan starts to work; and the temperature threshold value can be set at the corresponding interface.
9. The monitoring method for the LED display screen according to claim 5, wherein the filling of the error information and the alarming are specifically:
when one parameter is abnormal, the icon corresponding to the wrong parameter flickers, the flickered icon is automatically switched to the main view of the monitoring system, and the corresponding parameter value is displayed;
when more than one parameter is abnormal, icons corresponding to all abnormal parameters are displayed on the same side of the monitoring interface.
10. A monitoring system for an LED display screen, for implementing the monitoring method for an LED display screen according to any one of claims 1 to 9, comprising: the device comprises a parameter acquisition unit (1), a judgment unit (2), a controller (3), an alarm unit (4) and a timing unit (5);
the parameter acquisition unit (1) is used for acquiring and acquiring monitoring parameters of the LED display screen receiving card and transmitting the monitoring parameters to the controller (3);
meanwhile, the timing unit (5) records the time for collecting the monitoring parameters;
when the judging unit (2) judges that the time for acquiring the monitoring parameters reaches the monitoring period, the controller (3) compares the monitoring parameters with preset engineering parameters, and controls the working state of the alarm unit (4) according to the comparison result.
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| CN113362741A (en) * | 2021-06-03 | 2021-09-07 | 上海乾乙智能科技有限公司 | LED module fault detection method |
| CN113611242A (en) * | 2021-07-30 | 2021-11-05 | 卡莱特云科技股份有限公司 | LED screen correction coefficient generation method, LED screen correction coefficient adjustment method and LED screen correction system |
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Address after: 518000 room 3801, block a, block 8, block C, Wanke Yuncheng phase III, Liuxin 4th Street, Xili community, Xili street, Nanshan District, Shenzhen City, Guangdong Province (37-39 floors) Applicant after: Carlette cloud Technology Co.,Ltd. Address before: 518000 room 3801, block a, block 8, block C, Wanke Yuncheng phase III, Liuxin 4th Street, Xili community, Xili street, Nanshan District, Shenzhen City, Guangdong Province (37-39 floors) Applicant before: COLORLIGHT (SHENZHEN) CLOUD TECHNOLOGY Co.,Ltd. |
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Application publication date: 20201229 |