CN211150066U - L ED display screen monitoring circuit - Google Patents
L ED display screen monitoring circuit Download PDFInfo
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- CN211150066U CN211150066U CN201922284989.4U CN201922284989U CN211150066U CN 211150066 U CN211150066 U CN 211150066U CN 201922284989 U CN201922284989 U CN 201922284989U CN 211150066 U CN211150066 U CN 211150066U
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Abstract
The utility model provides an L ED display screen monitoring circuit, a serial communication port, including EMB IV monitor card and video control system, the UART panel control port of EMB IV monitor card communicates with video control system's video control chip, EMB IV monitor card is equipped with voltage monitoring port, temperature and humidity monitor, fan control and speed detection port, the power output end of L ED display screen is connected to the voltage monitoring port, temperature and humidity monitor are including stretching into the humiture probe in the L ED display screen box, the utility model discloses a voltage monitoring port on the EMB IV monitor card, the power state information of temperature and humidity monitor L ED display screen, temperature and humidity information in the display screen box, under power anomaly or trouble, the humiture too high condition, send warning signal through the video control chip, swift, convenient, supervise L ED display screen's operation situation's technological effect in real time, L ED display screen's operation situation includes radiator fan's operation, the voltage of power, temperature and humidity etc. in the box.
Description
Technical Field
The utility model relates to an L ED display screen monitoring technology field especially relates to a L ED display screen monitoring circuit.
Background
Along with the development of modern society, the human cost is continuously improved, in the L ED display screen industry, people pay more and more attention to the maintainability or the management convenience of products while paying more and more attention to the cost performance of the products, L ED display screens are dispersedly used in different places, most of the places where the display screens are located do not manage and maintain personnel, inconvenience is caused to the maintenance and management work of L ED display screens, if the number of the display screens is too large, the difficulty of the maintenance and management is conceivably known, the management and maintenance personnel are difficult to monitor the power supply voltage state of the L ED display screens, and also difficult to monitor the temperature and humidity in a box body of the L ED display screens, when the power supply voltage of the display screens is abnormal or fails or the temperature and humidity of the display screen box body are too high, warning signals cannot be given in time, and the processing and adjustment cannot be carried out in time, so that the failure rate of the L.
SUMMERY OF THE UTILITY MODEL
The utility model provides an L ED display screen monitoring circuit to above-mentioned prior art not enough, solve the problem of the operation conditions (e.g., radiator fan's operation, the voltage of power, the temperature and humidity in the box etc.) of L ED display screen swift, convenient, real-time supervision more.
The utility model discloses a solve the technical scheme that above-mentioned problem adopted and do:
the utility model provides an L ED display screen monitoring circuit, including EMB IV control card and video control system, the UART panel control port of EMB IV control card communicates with video control system's video control chip, and EMB IV control card is equipped with voltage monitoring port, temperature and humidity monitor, fan control and speed detection port, and the power output end of L ED display screen is connected to the voltage monitoring port, and temperature and humidity monitor are including stretching into the humiture probe in the L ED display screen box.
Furthermore, the voltage monitoring port is connected with at least one path of power supply output end of the L ED display screen, the EMB IV monitoring card judges whether the power supply is normal, abnormal or failed according to the monitored power supply output voltage value, and transmits power supply state information to the video control chip, and the video control chip displays the power supply state through a software interface.
Further, the EMB IV monitoring card compares the temperature and humidity data of the display screen box detected by the temperature and humidity monitor with the temperature and humidity threshold value, and sends a heat dissipation and dehumidification signal to the fan control and speed detection port if the temperature and humidity data are higher than the temperature and humidity threshold value.
Furthermore, the EMB IV monitor card performs fan on/off and fan speed adjustment through the fan control and speed detection port.
Furthermore, when the difference value of the temperature and humidity data of the display screen box detected by the temperature and humidity monitor, which is higher than the temperature and humidity threshold value, reaches an alarm value, the EMB IV monitoring card sends alarm information to the video control chip.
The utility model discloses L ED display screen monitoring circuit's beneficial effect lies in through the voltage monitoring port on the EMB IV monitor card, the power state information of temperature and humidity monitor L ED display screen, temperature and humidity information in the display screen box, power anomaly or trouble, under the humiture too high condition, send alarm signal through video control chip, realize many L ED display screens of alone monitoring, and swift, it is convenient, supervise the technological effect of the operation conditions of L ED display screen in real time, the operation conditions of L ED display screen includes radiator fan's operation, the voltage of power, temperature and humidity etc. in the box.
Drawings
Fig. 1 is a schematic structural diagram of an L ED display screen monitoring circuit of the present invention;
FIG. 2 is a schematic structural diagram of an EMB IV monitor card according to the present invention;
FIG. 3 is a schematic diagram of the communication between the EMB IV monitor card and the video control chip of the present invention;
fig. 4 is a display interface diagram of the video control chip of the present invention;
FIG. 5 is a voltage monitoring display interface diagram of the video control chip of the present invention;
FIG. 6 is a temperature monitoring display interface diagram of the video control chip of the present invention;
FIG. 7 is a display interface diagram of the humidity monitoring of the video control chip of the present invention;
fig. 8 is an interface diagram of the cooling fan operation status monitoring display of the video control chip of the present invention;
fig. 9 is a schematic circuit diagram of an EMB IV monitoring card according to the present invention;
fig. 10 is a circuit diagram of the voltage monitoring port of the EMB IV monitoring card according to the present invention.
Detailed Description
The following embodiments of the present invention are specifically explained with reference to the accompanying drawings, which are used for reference and illustration only and do not limit the scope of the present invention.
As shown in FIGS. 1-4, the embodiment of the utility model relates to an L ED display screen monitoring circuit, including EMB IV monitor card and video control system, the UART panel control port of EMB IV monitor card communicates with video control system's video control chip, and EMB IV monitor card is equipped with voltage monitoring port, temperature and humidity monitor, fan control and speed detection port, and the power output end of L ED display screen is connected to the voltage monitoring port, and temperature and humidity monitor is including stretching into the humiture probe in the L ED display screen box.
As shown in fig. 9, the EMB IV monitoring card is provided with an MCU processing unit, a 3.3V power conversion circuit, an on-board voltage monitoring circuit, an on-board temperature and humidity monitoring circuit, an external expansion temperature sensor interface, a fan power supply circuit, a fan control and monitoring circuit, an L ED display interface, an IIC communication multiplexing circuit, a system communication serial interface, a system status indicator circuit, and the like.
As shown in fig. 10, the voltage monitoring port is connected to at least one power output terminal of the L ED display screen, in this embodiment, the voltage monitoring port is connected to 16 power output terminals of the L ED display screen, the EMB IV monitor card determines whether the power supply is normal, abnormal or faulty according to the monitored power output voltage value, and transmits power state information to the video control chip, as shown in fig. 5, the video control chip displays the power state through a software interface.
In this embodiment, as shown in fig. 6 and 7, the EMB IV monitoring card compares the temperature and humidity data of the display screen box detected by the temperature and humidity monitor with the temperature and humidity threshold, and sends the heat dissipation and dehumidification signal to the fan control and speed detection port if the temperature and humidity data is higher than the temperature and humidity threshold.
In this embodiment, as shown in fig. 8, the EMB IV monitor card performs fan on/off and fan speed adjustment through the fan control and speed detection port.
In this embodiment, as shown in fig. 6 and 7, when the difference between the temperature and humidity data of the display screen box detected by the temperature and humidity monitor, which is higher than the temperature and humidity threshold value, reaches the alarm value, the EMB IV monitor card sends an alarm message to the video control chip.
The utility model discloses L ED display screen monitoring circuit's theory of operation does that EMB IV control card is taken advantage of video control system and is carried out real time monitoring to mains voltage, box operational environment's temperature and humidity in real time, through installing the Nowa software, realizes communicating between video control chip and the video control system.
The voltage monitoring can be realized through a voltage monitoring port on the EMB IV board, the output voltage of the 16 power supplies can be monitored totally, and whether the voltage value is normal or not is monitored so as to remind a user that the power supply is in an abnormal or fault state, and the user can timely deal with the voltage value.
The temperature and humidity monitoring is to detect the temperature and humidity in the screen box body through the temperature and humidity probe on the EMBIV board, and if the temperature and humidity are higher than the set value, the cooling fan can be started to operate to perform cooling and dehumidifying treatment.
The operation mode of the fan is divided into starting and shutting off, and the EMB IV monitoring card carries out corresponding speed adjustment according to different conditions of the detected temperature and humidity in the box body.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (5)
1. An L ED display screen monitoring circuit is characterized by comprising an EMB IV monitoring card and a video control system, wherein a UART panel control port of the EMB IV monitoring card is communicated with a video control chip of the video control system, the EMB IV monitoring card is provided with a voltage monitoring port, a temperature and humidity monitor and a fan control and speed detection port, the voltage monitoring port is connected with a power output end of a L ED display screen, and the temperature and humidity monitor comprises a temperature and humidity probe extending into a L ED display screen box body.
2. The L ED display screen monitoring circuit of claim 1, wherein:
the voltage monitoring port is connected with at least one path of power supply output end of the L ED display screen, the EMB IV monitoring card judges the condition of normal, abnormal or fault of the power supply according to the monitored power supply output voltage value and transmits power supply state information to the video control chip, and the video control chip displays the power supply state through a software interface.
3. The L ED display screen monitoring circuit of claim 1, wherein:
and the EMB IV monitoring card compares the temperature and humidity data of the display screen box body detected by the temperature and humidity monitor with a temperature and humidity threshold value, and sends a heat dissipation and dehumidification signal to the fan control and speed detection port if the temperature and humidity data are higher than the temperature and humidity threshold value.
4. The L ED display screen monitoring circuit of claim 3, wherein:
and the EMB IV monitoring card performs fan starting and shutting and fan speed regulation through a fan control and speed detection port.
5. The L ED display screen monitoring circuit of claim 3, wherein:
when the difference value of the temperature and the humidity of the display screen box body detected by the temperature and humidity monitor, which is higher than the temperature and humidity threshold value, reaches an alarm value, the EMB IV monitoring card sends alarm information to the video control chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922284989.4U CN211150066U (en) | 2019-12-18 | 2019-12-18 | L ED display screen monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922284989.4U CN211150066U (en) | 2019-12-18 | 2019-12-18 | L ED display screen monitoring circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211150066U true CN211150066U (en) | 2020-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922284989.4U Expired - Fee Related CN211150066U (en) | 2019-12-18 | 2019-12-18 | L ED display screen monitoring circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211150066U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783167A (en) * | 2022-04-19 | 2022-07-22 | 赵德群 | Based on LED display screen intelligence remote control device |
-
2019
- 2019-12-18 CN CN201922284989.4U patent/CN211150066U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114783167A (en) * | 2022-04-19 | 2022-07-22 | 赵德群 | Based on LED display screen intelligence remote control device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200731 Termination date: 20211218 |