CN212516506U - Low-power consumption public area emergency display and command system based on CHLCD - Google Patents
Low-power consumption public area emergency display and command system based on CHLCD Download PDFInfo
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- CN212516506U CN212516506U CN202021544438.3U CN202021544438U CN212516506U CN 212516506 U CN212516506 U CN 212516506U CN 202021544438 U CN202021544438 U CN 202021544438U CN 212516506 U CN212516506 U CN 212516506U
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Abstract
The utility model relates to the technical field of emergency devices, in particular to a CHLCD-based low-power consumption public area emergency display and command system, which comprises a control host, wherein the control host is in data connection with a plurality of display devices and is used for issuing emergency content, non-emergency content and control instructions to the display devices; the display device comprises a CHLCD display screen, a controller and a data communication module; the controller is electrically connected with the CHLCD display screen and the data communication module, the controller is in data connection with the control host through the data communication module, and the controller is used for displaying or switching non-emergency content and emergency content according to a control instruction of the control host. The application provides a low-power consumption public area emergency display and command system based on CHLCD, can solve current emergency display mode power consumption big, problem or the power loss after the electric quantity exhausts the problem of effect under the emergency condition power supply.
Description
Technical Field
The utility model relates to an emergency device technical field specifically is a public regional emergency display of low-power consumption and command system based on CHLCD.
Background
At present, in some public places, such as office buildings, markets, stations and other places, a plurality of electronic emergency display devices can be arranged, the emergency display devices can be used for displaying contents such as advertisements and introductions at ordinary times, and once an emergency occurs, the emergency display devices display the situation description so as to cooperate with commanders to dredge crowds and reduce risks.
The existing emergency display device basically adopts an LCD or LED display screen for display, has large power consumption in the operation process and high power consumption cost, and once a destructive emergency event, such as an earthquake situation, loses the emergency guidance effect due to power failure. Moreover, the traditional LED display screen or LCD display screen usually adopts universal interfaces such as HDMI interface, VGA interface and the like, so that illegal personnel can easily pull out the connector and replace the connector with a signal source, and can play advertisements, even unhealthy or public safety-endangered contents, thereby having greater risk of information safety.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low-power consumption public area emergency display and command system based on CHLCD can solve current emergency display mode power consumption big, and power supply goes wrong or the electric quantity exhausts the problem of after-losing effect under the emergency.
The application provides the following technical scheme:
a low-power consumption public area emergency display and command system based on a CHLCD comprises:
the control host is in data connection with the plurality of display devices and is used for issuing emergency content, non-emergency content and control instructions to the display devices;
the display device comprises a CHLCD display screen, a controller and a data communication module; the controller is electrically connected with the CHLCD display screen and the data communication module, the controller is in data connection with the control host through the data communication module, and the controller is used for displaying or switching non-emergency content and emergency content according to a control instruction of the control host.
The utility model discloses among the technical scheme, through adopting the CHLCD display screen, when no emergency, CHLCD shows non-emergency content, and CHLCD is named cholesterol liquid crystal again, cholesteric liquid crystal or bistable state liquid crystal, has the characteristic that falls electric display, and is power consumptive not totally when the static demonstration of screen, and power consumptive very low when only when refreshing the demonstration content and refreshing. Therefore, the power consumption and the power consumption cost can be effectively reduced. Meanwhile, the CHLCD display screen is of a reflective type, so that the problem of light pollution to the periphery can be avoided; traditional LCD display screen or LED display screen use the LED light source, under the condition of the operation of lighting for a long time, life-span and stability are general, and the later maintenance cost is higher. The CHLCD display screen has good stability, long service life and low later maintenance cost. Meanwhile, the CHLCD display screen is directly and electrically connected with the controller, an external general interface is not required to be arranged, illegal personnel can be prevented from changing display contents privately, and the safety of display information is ensured.
In an emergency state, if a power supply circuit and a power supply battery have problems due to an emergency, the LCD screen or the LED screen cannot be used any more, and the CHLCD display screen only needs to refresh and display corresponding notifications, situation descriptions, escape guidance and the like before power failure, so that corresponding contents can be displayed even if the power supply circuit and the power supply battery are damaged or the battery power is exhausted, such as a coping scheme, an escape route and the like, thereby having an emergency guidance effect on related personnel.
Further, display device still includes battery and power supply control panel, the battery is all connected with CHLCD display screen, controller, data communication module electricity, power supply control panel is connected with the controller electricity, power supply control panel is used for the power supply output of signal control battery according to the controller.
The power is supplied by the storage battery, and the normal work of the device can be ensured when the commercial power is cut off.
The intelligent storage battery power supply system further comprises a sensor module, wherein the sensor module is electrically connected with the controller and the power supply control board, the controller is used for detecting the environment data and the running state of the display device through the sensor module, and the power supply control board is used for controlling the power supply output of the storage battery according to the data of the sensor module.
The sensor module is used for detecting the environmental data and the running state of the display device, and adjusting power supply output according to the environmental condition and the running condition of the device, so that the power consumption is reduced.
Furthermore, the display device further comprises an audio playing module, and the controller is used for controlling the audio playing module to play audio.
The audio playing module plays the related audio, so that the guidance effect on the user can be realized in an emergency.
Further, the sensor module includes one or more of a temperature sensor, a humidity sensor, a voltage sensor, a current sensor, a light sensor, and a human body sensing sensor.
Various sensors perform comprehensive data acquisition on the environment and the device running condition.
Further, the sensor module further comprises a mains supply detection module, the controller is electrically connected with the mains supply detection module, and the controller detects whether the mains supply is powered off or not through the mains supply detection module.
Whether the commercial power is cut off is detected, and whether corresponding coping operation is executed is further conveniently judged.
Further, the display device also comprises an illuminating lamp, and the controller is used for controlling the opening and closing of the illuminating lamp according to the signal of the commercial power detection module.
The auxiliary lighting function is realized in emergency and when the mains supply is powered off, so that the emergency situation can be responded by a user.
Further, the data communication module comprises one or more of an Ethernet module, an RS485 module, an RS232 module, a WiFi module, a Bluetooth module, a mobile communication module, a near field communication module, a ZigBee module and a Lora module.
Multiple communication modes meet different requirements, and the universality of the device is improved.
Further, the display device comprises a storage module, an emergency scheme is stored in the storage module, the control host is further used for issuing the emergency scheme to the display device, and the controller is used for controlling the storage module to store or update the emergency scheme.
The emergency scheme is issued by the control host, so that emergency treatment is facilitated for personnel, and storage is performed through the storage module, so that the emergency scheme can be used after a network is disconnected.
Further, a key input module is arranged on the display device and electrically connected with the controller, and the controller is used for controlling the CHLCD display screen to display the emergency scheme in the storage module according to the signal of the case input module.
The emergency system is convenient for personnel to operate so as to check the corresponding emergency scheme.
Drawings
Fig. 1 is a logic block diagram of a first embodiment of a low-power consumption public area emergency display and command system based on a CHLCD of the present invention;
fig. 2 is a logic block diagram of a second embodiment of a low-power consumption public area emergency display and command system based on a CHLCD of the present invention;
fig. 3 is a pin wiring diagram of a second controller of a power supply control board in an embodiment of a low power consumption public area emergency display and command system based on a CHLCD of the present invention;
fig. 4 is a circuit diagram of an illumination control output circuit of a power supply control board in an embodiment of a low power consumption public area emergency display and command system based on a CHLCD of the present invention;
fig. 5 is a circuit diagram of a 5V control output circuit of a power supply control board in an embodiment of a low power consumption public area emergency display and command system based on a CHLCD of the present invention;
fig. 6 is a circuit diagram of a 12V control output circuit of a power supply control board in an embodiment of a low power consumption public area emergency display and command system based on a CHLCD of the present invention;
fig. 7 is a circuit diagram of the current measuring circuit of the power supply control board in the embodiment of the low power consumption public area emergency display and command system based on the CHLCD.
Detailed Description
The following is further detailed by way of specific embodiments:
example one
As shown in fig. 1, the low power consumption public area emergency display and command system based on the CHLCD of the present embodiment includes a control host and a display device. The control host computer is connected with a plurality of display device data, and in this embodiment, the control host computer is mainly connected with display device through ethernet, and in other embodiments of this application, also can realize data transmission through modes such as wireless WiFi, RS485 bus, RS232 bus. The control host is used for issuing emergency content, non-emergency content and control instructions to the display device; the non-emergency content may be an advertisement, a map, a venue introduction, etc., and the emergency content may include a description of the current emergency event, an emergency plan, an escape route, etc.
The display device comprises a CHLCD display screen, a controller, a storage battery, a power supply control panel, a sensor module, an audio playing module, a data communication module and a lighting lamp.
The controller is connected with CHLCD display screen, power supply control board, sensor module, data communication module, audio playback module, the equal electricity of light, and the controller passes through data communication module and control host computer data connection, and the controller is used for showing or switching non-emergency content and emergency content according to the control command of control host computer.
The storage battery is electrically connected with the CHLCD display screen, the controller, the data communication module, the illuminating lamp, the audio playing module and the sensor module and used for supplying power for the components, the power supply control panel is electrically connected with the controller and the storage battery, and the power supply control panel is used for controlling the power supply output of the storage battery according to signals of the controller.
The controller is used for detecting the environmental data and the running state of the display device through the sensor module, and the power supply control panel is used for controlling the power supply output of the storage battery according to the data of the sensor module. The sensor module comprises one or more of a temperature sensor, a humidity sensor, a voltage sensor, a current sensor, a light sensor and a human body induction sensor. In order to fully collect data, in this embodiment, the sensor module includes all the above sensors, the sensor module further includes a mains supply detection module, the controller is electrically connected to the mains supply detection module, and the controller detects whether the mains supply is powered off or not through the mains supply detection module. In the embodiment, the controller is a single chip microcomputer, preferably an STM32 series single chip microcomputer, in other embodiments of the present application, the controller may also be a PLC, the human body sensing sensor employs an infrared sensor, and the infrared sensor, a temperature sensor, a humidity sensor, a voltage sensor, a current sensor, a light sensor, a utility power detection module, etc. all employ the existing conventional digital or analog sensing modules, the sensors are connected with an IO pin, an AD conversion pin or a serial port pin of the controller according to different output types, for example, for a digital output sensor, the sensors can be connected with the IO pin, for the sensor of analog quantity output, such as the mode of analog voltage output and analog current output, the analog quantity output is connected with the AD conversion pin to realize digital output, for some sensors adopting UART serial output, the sensor is connected to a pin corresponding to a serial port. And the controller acquires a corresponding detection result by reading the corresponding data.
The power supply control board comprises a second controller and a related peripheral circuit, the second controller is a single chip microcomputer, preferably an STM32 series single chip microcomputer, data transmission is carried out between the controller and the second controller through a serial port, and as shown in figures 3-7, the peripheral circuit comprises a current measuring circuit, a communication circuit, a battery voltage circuit, a 5V control output circuit, a lighting control output circuit, a 12V control output circuit and the like.
The controller is used for controlling the audio playing module to play audio, and in this embodiment, the audio playing module is a loudspeaker. The controller is used for controlling the on-off of the illuminating lamp according to the signal of the commercial power detection module. Specifically, be equipped with the relay on the supply circuit of light, the IO output pin and the relay control pin of controller are connected, and then the switching of control light. When the commercial power is cut off, the controller controls the lighting lamp to be turned on, otherwise, the lighting lamp is turned off, and further, the function of auxiliary lighting is realized in emergency, when the commercial power is cut off, and the user is helped to deal with the emergency.
The data communication module comprises one or more of an Ethernet module, an RS485 module, an RS232 module, a WiFi module, a Bluetooth module, a mobile communication module, a near field communication module, a ZigBee module and a Lora module.
When the system of the embodiment works, when no emergency occurs, the CHLCD display screen displays non-emergency content, and because the CHLCD has the characteristic of power-down display, no power is consumed during static display of the screen, and only when the display content is refreshed, the power is consumed and the power consumption is very low during refreshing. Therefore, the power consumption and the power consumption cost can be effectively reduced. Meanwhile, the CHLCD display screen is of a reflective type, so that the problem of light pollution to the periphery can be avoided;
in an emergency state, if a power supply circuit and a power supply battery have problems due to an emergency, the LCD screen or the LED screen cannot be used any more, and the CHLCD display screen only needs to refresh and display corresponding notifications, situation descriptions, escape guidance and the like before power failure, so that corresponding contents can be displayed even if the power supply circuit and the power supply battery are damaged or the battery power is exhausted, such as a coping scheme, an escape route and the like, thereby having an emergency guidance effect on related personnel.
Example two
As shown in fig. 2, the difference between this embodiment and the first embodiment is that in this embodiment, the display device includes a storage module, the storage module stores an emergency scheme, the control host is further configured to issue the emergency scheme to the display device, and the controller is configured to control the storage module to store or update the emergency scheme. The display device is provided with a key input module which is electrically connected with the controller, and the controller is used for controlling the CHLCD display screen to display an emergency scheme in the storage module according to a signal of the case input module.
The above are only embodiments of the present invention, and the present invention is not limited to the field related to this embodiment, and the common general knowledge of the known specific structures and characteristics in the scheme is not described too much, and those skilled in the art know the common technical knowledge in the technical field of the present invention before the application date or the priority date, can know all the prior art in this field, and have the ability to apply the conventional experimental means before this date, and those skilled in the art can combine their own ability to perfect and implement the scheme, and some typical known structures or known methods should not become the obstacles for those skilled in the art to implement the present application. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (10)
1. A low-power consumption public area emergency display and command system based on a CHLCD is characterized in that: the method comprises the following steps:
the control host is in data connection with the plurality of display devices and is used for issuing emergency content, non-emergency content and control instructions to the display devices;
the display device comprises a CHLCD display screen, a controller and a data communication module; the controller is electrically connected with the CHLCD display screen and the data communication module, the controller is in data connection with the control host through the data communication module, and the controller is used for displaying or switching non-emergency content and emergency content according to a control instruction of the control host.
2. The CHLCD-based low-power-consumption public area emergency display and command system of claim 1, wherein: the display device further comprises a storage battery and a power supply control board, the storage battery is electrically connected with the CHLCD display screen, the controller and the data communication module, the power supply control board is electrically connected with the controller, and the power supply control board is used for controlling power supply output of the storage battery according to signals of the controller.
3. The CHLCD-based low-power-consumption public area emergency display and command system of claim 2, wherein: the intelligent storage battery power supply system is characterized by further comprising a sensor module, wherein the sensor module is electrically connected with the controller and the power supply control board, the controller is used for detecting the environment data and the running state of the display device through the sensor module, and the power supply control board is used for controlling the power supply output of the storage battery according to the data of the sensor module.
4. The CHLCD-based low-power-consumption public area emergency display and command system of claim 3, wherein: the display device also comprises an audio playing module, and the controller is used for controlling the audio playing module to play audio.
5. The CHLCD-based low-power-consumption public area emergency display and command system of claim 4, wherein: the sensor module comprises one or more of a temperature sensor, a humidity sensor, a voltage sensor, a current sensor, a light sensor and a human body induction sensor.
6. The CHLCD-based low-power-consumption public area emergency display and command system of claim 5, wherein: the sensor module further comprises a mains supply detection module, the controller is electrically connected with the mains supply detection module, and the controller detects whether the mains supply is powered off or not through the mains supply detection module.
7. The CHLCD-based low-power-consumption public area emergency display and command system of claim 6, wherein: the display device further comprises an illuminating lamp, and the controller is used for controlling the opening and closing of the illuminating lamp according to the signal of the commercial power detection module.
8. The CHLCD-based low-power-consumption public area emergency display and command system of claim 7, wherein: the data communication module comprises one or more of an Ethernet module, an RS485 module, an RS232 module, a WiFi module, a Bluetooth module, a mobile communication module, a near field communication module, a ZigBee module and a Lora module.
9. The CHLCD-based low-power-consumption public area emergency display and command system of claim 8, wherein: the display device comprises a storage module, an emergency scheme is stored in the storage module, the control host is further used for issuing the emergency scheme to the display device, and the controller is used for controlling the storage module to store or update the emergency scheme.
10. The CHLCD-based low-power-consumption public area emergency display and command system of claim 9, wherein: the display device is provided with a key input module, the key input module is electrically connected with the controller, and the controller is used for controlling the CHLCD display screen to display the processing scheme in the storage module according to the signal of the case input module.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021544438.3U CN212516506U (en) | 2020-07-30 | 2020-07-30 | Low-power consumption public area emergency display and command system based on CHLCD |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202021544438.3U CN212516506U (en) | 2020-07-30 | 2020-07-30 | Low-power consumption public area emergency display and command system based on CHLCD |
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| CN212516506U true CN212516506U (en) | 2021-02-09 |
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| CN202021544438.3U Active CN212516506U (en) | 2020-07-30 | 2020-07-30 | Low-power consumption public area emergency display and command system based on CHLCD |
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