CN219214856U - Electric bell indication board system and device - Google Patents
Electric bell indication board system and device Download PDFInfo
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- CN219214856U CN219214856U CN202223095653.1U CN202223095653U CN219214856U CN 219214856 U CN219214856 U CN 219214856U CN 202223095653 U CN202223095653 U CN 202223095653U CN 219214856 U CN219214856 U CN 219214856U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/40—Display of information, e.g. of data or controls
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Abstract
The utility model provides an electric bell indication board system and a device, wherein the system comprises a power circuit unit, an MCU chip unit, an external signal receiving and transmitting unit, a display screen driving unit and a power amplifier driving unit, the device comprises a shell, a display screen, a power amplifier and a circuit board assembly, the circuit board assembly is assembled in a containing cavity of the shell, each assembly of the electric bell indication board system is assembled on the circuit board assembly, the display screen and the power amplifier are connected with the shell, and a luminous surface of the display screen and a sound generating surface of the power amplifier face a user. According to the utility model, after the electric bell signal of the bus is received, the MCU chip unit acquires the electric bell signal and generates the control instruction to the display screen driving unit, and the display screen driving unit drives the display screen to display, so that passengers are reminded of information that passengers can stop when getting off, and therefore, passengers are prevented from intermittently pressing down the electric bell, and riding experience is improved.
Description
Technical Field
The utility model relates to the technical field of vehicle-mounted equipment, in particular to an electric bell indication board system and device.
Background
At present, a bus is generally provided with a get-off electric bell, the get-off electric bell is applied to passenger get-off reminding, a get-off button is pressed, a receiver arranged near an instrument desk informs a driver of getting off passengers, the receiver normally reminds a driver in a ringing manner, on the other hand, the ringing also reminds other passengers, and people already press the get-off electric bell, if the people need to get off the bus at a get-off station, the people do not need to press the bell again to prompt.
However, in a noisy car environment, there is a limitation in the manner of alarm reminding, for example, when a person presses the car, but other passengers to get off the car do not hear or see the car, the car can be repeatedly pressed down, and in this case, the intermittently occurring alarm sounds affect the riding experience of the passengers.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide an electric bell indication board system and device.
The utility model provides an electric bell indication board system, which comprises a power circuit unit, an MCU chip unit, an external signal receiving and transmitting unit, a display screen driving unit and a power amplifier driving unit, wherein,
the power supply circuit unit supplies power to the MCU chip, the power amplifier driving unit and the external signal receiving and transmitting unit, and also supplies power to the display screen through the display screen driving unit;
the external signal receiving and transmitting unit is used for receiving the electric bell signal and the door opening and closing signal of the bus and transmitting the received signals to the MCU chip unit;
the MCU chip unit is used for generating corresponding control instruction signals to the display screen driving unit and the power amplifier driving unit according to the received signals;
the display screen driving unit is used for controlling the display screen to display corresponding information according to the control instruction signal;
and the power amplifier driving unit is used for controlling the power amplifier to work according to the control command signal.
Optionally, the display screen is an LED dot-matrix screen, and the display screen driving unit includes a dot-matrix screen row driving subunit and a dot-matrix screen column driving subunit, which respectively drive the rows and columns of the LED dot-matrix screen.
Optionally, the power circuit unit includes a voltage converter and a low-voltage linear voltage regulator, the voltage converter converts the power voltage to a fixed voltage and inputs the fixed voltage to the power amplifier driving unit, the low-voltage linear voltage regulator and the dot-matrix screen row driving subunit, and the low-voltage linear voltage regulator stabilizes the input voltage and current at preset values and outputs the stabilized voltage and current to the MCU chip, the dot-matrix screen row driving subunit and the external signal transceiver unit.
Optionally, the system further comprises a CAN communication unit and a hard wire input interface unit, wherein the CAN communication unit and the hard wire input interface unit are both in communication connection with the MCU chip unit.
Optionally, the temperature and humidity sensor is further included, the power supply circuit unit supplies power for the temperature and humidity sensor, the temperature and humidity sensor sends collected temperature and humidity data to the MCU chip unit, and the MCU chip unit generates control instruction signals according to the obtained temperature and humidity data and sends the control instruction signals to the display screen driving unit.
Optionally, the display screen driving unit further comprises an RTC clock, the power supply circuit unit supplies power to the RTC clock, the RTC clock sends clock signals to the MCU chip unit, and the MCU chip unit generates control instruction signals according to the clock signals and sends the control instruction signals to the display screen driving unit.
The utility model also provides an electric bell indication board device, which adopts the electric bell indication board system, and further comprises a shell, a display screen, a power amplifier and a circuit board assembly, wherein the circuit board assembly is assembled in a containing cavity of the shell, each assembly of the electric bell indication board system is assembled on the circuit board assembly, the display screen and the power amplifier are connected with the shell, and the luminous surface of the display screen and the sound generating surface of the power amplifier face users.
Optionally, the circuit board assembly comprises an LED display circuit board and a control circuit board, the display screen driving unit is assembled on the LED display circuit board, and the power supply circuit unit, the MCU chip unit, the external signal transceiver unit and the power amplifier driving unit are assembled on the control circuit board.
Optionally, the shell comprises a bottom shell and a decorative cover, the bottom shell and the decorative cover are assembled together to form a containing cavity, a first assembly opening and a second assembly opening are formed in the decorative cover, and the display screen and the power amplifier correspond to the first assembly opening and the second assembly opening respectively.
Optionally, the display screen further comprises a light-transmitting tea color plate, the light-transmitting tea color plate covers the first assembly opening, and the display surface of the display screen displays information to a user through the light-transmitting tea color plate.
Compared with the prior art, the utility model has the following beneficial effects:
according to the electric bell indication board system and device provided by the utility model, after the electric bell signal of the bus is received, the MCU chip unit acquires the electric bell signal and generates the control instruction to the display screen driving unit, and the display screen driving unit drives the display screen to display, so that passengers are reminded of the information that passengers can stop when getting off, the passengers are prevented from intermittently pressing down the electric bell, and riding experience is improved.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a system block diagram of an electric bell sign system according to an embodiment of the present utility model;
fig. 2 is a schematic power supply diagram of a power circuit unit according to a first embodiment of the present utility model;
fig. 3 is a schematic structural diagram of an electric bell sign device according to a second embodiment of the present utility model.
In the figure: 1. a power supply; 2. a voltage converter; 3. a power amplifier driving unit; 4. a CAN communication unit; 5. a dot matrix screen row driving subunit; 6. a low voltage linear voltage regulator; 7. an MCU chip unit; 8. an external signal transmitting/receiving unit; 9. an RTC clock; 10. a dot matrix screen column driving subunit; 11. a temperature and humidity sensor; 12. a display screen; 13. a decorative cover; 14. a light-transmitting tea color plate; 15. a power amplifier; 16. an LED display circuit board; 17. a control circuit board; 18. a bottom case; 19. a hard-wired input interface unit.
Detailed Description
The present utility model will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the present utility model, but are not intended to limit the utility model in any way. It should be noted that variations and modifications could be made by those skilled in the art without departing from the inventive concept. These are all within the scope of the present utility model.
Example 1
Referring to fig. 1 and 2, the bell sign system of the present utility model may include a power circuit unit, an MCU chip unit 7, an external signal transceiver unit 8, a display driving unit and a power amplifier driving unit 3, wherein,
the power supply circuit unit supplies power for an MCU (micro control unit) chip unit 7, a power amplifier driving unit 3 and an external signal receiving and transmitting unit 8, and also supplies power for the display screen through the display screen driving unit;
the external signal transceiver unit 8 is configured to receive a bus bell signal and a door opening/closing signal, and send the received signals to the MCU chip unit 7, in this embodiment, the external signal transceiver unit 8 may use an RF wireless module, a specific model of which may use a CMT2300A wireless module, where the external signal transceiver unit 8 uses the CMT2300A wireless module, the bus bell signal is transmitted in a wireless transmission manner, the CMT2300A wireless module detects a button signal of a wireless bus bell through 433MHZ wireless communication, and the RF wireless module generally communicates with the MCU chip unit 7 through an SPI (synchronous serial bus) interface;
the MCU chip unit 7 is used for generating corresponding control instruction signals to the display screen driving unit and the power amplifier driving unit 3 according to the received signals;
the display screen driving unit is used for controlling the display screen to display corresponding information according to the control instruction signal, and it can be understood that when the MCU chip unit 7 receives the bus bell signal, the display screen driving unit controls the display screen 12 to continuously display "STOP" or "STOP in progress" until the door opening signal is received, namely, the display screen driving unit enters a silent state, and does not display "STOP" or "STOP in progress" any more until the bus bell signal is received next time;
the power amplifier driving unit 3 is configured to control the power amplifier to operate according to the control command signal, and the power amplifier sends out a ding-dong prompt tone according to the control command signal, so as to remind a driver that a person needs to get off the vehicle, where the prompting duration can be set according to actual needs, and the general prompting duration can be set to 5 to 10 seconds.
In this embodiment, the display screen 12 is an LED dot matrix screen, and correspondingly, the display screen driving unit includes a dot matrix screen row driving subunit 5 and a dot matrix screen column driving subunit 10, where the dot matrix screen row driving subunit 5 and the dot matrix screen column driving subunit 10 respectively drive rows and columns of the LED dot matrix screen, and the LED dot matrix screen has the advantages of high brightness, long service life and large viewing angle, and can be more suitable for public transportation equipment with longer carriage due to the high brightness.
Referring to fig. 2, it can be understood that, when the display screen 12 is an LED dot-matrix screen, in order to adapt to the LED dot-matrix screen on the one hand, and to improve the stability of the voltage and the current of the power supply on the other hand, the power circuit unit includes a voltage converter 2 and a low-voltage linear voltage regulator 6, the voltage converter 2 converts the voltage of the power supply to a fixed voltage and inputs the fixed voltage to the power amplifier driving unit 3, the low-voltage linear voltage regulator 6 and the dot-matrix screen row driving subunit 5, the low-voltage linear voltage regulator 6 stabilizes the input voltage and current at preset values and outputs the stabilized voltage and current to the MCU chip unit, the dot-matrix screen column driving subunit 10 and the external signal transceiver unit 8, so-called the power supply 1 is a vehicle power supply, that is, the voltage of DC24V, and the voltage is converted to DC5V through a voltage converter DC-DC chip XL1509 to power the power amplifier driving unit, the low-voltage linear voltage regulator and the dot-matrix screen row driving subunit; DC5V is converted into DC3.3V through a low voltage linear voltage regulator LDO chip AMS1117, and supplies power to a temperature and humidity sensor 11, an LED dot matrix screen column driver 10, an MCU new chip unit 7, an RTC clock 9 and an external signal receiving and transmitting unit 8, and it can be known that the driving voltages of the dot matrix screen row driving subunit 5 and the dot matrix screen column driving subunit 10 are 3.3V or 5.5V, and the two adopt different voltages mainly for the layout of a circuit diagram.
In order to further expand the application scenario of the system, a CAN (controller area network) communication unit 4 and a hard wire input interface unit 19 may be further provided, where the CAN communication unit 4 and the hard wire input interface unit 19 are both in communication connection with the MCU chip unit 7, it may be known that, through the CAN communication unit 4 and the hard wire input interface unit 19, the MCU chip unit 7 may increase multiple forms of acquiring data, so as to expand the application scenario, the CAN communication unit 4 may select a TJA1057 chip, the hard wire input interface unit 19 may select an MMBT5551 triode, and access to an I/O interface of the MCU chip unit 7 to detect an external level signal, where the external level signal generally includes a switching value, the hard wire input interface unit is used for input and output of the switching value, and the CAN communication unit 4 communicates with the outside through the CAN interface.
Besides the application scene can be expanded, in order to promote the function of this system, still can set up RTC clock 9 and temperature and humidity sensor 11, power supply circuit unit is RTC (real time) clock 9 and temperature and humidity sensor 11 power supply, RTC clock 9 sends the clock signal to MCU chip unit 7, MCU chip unit 7 generates control command signal and sends to the display screen drive unit according to the clock signal, temperature and humidity sensor 11 generally detects the temperature in the carriage, temperature and humidity in the car switches the demonstration with interval 10s circulation, temperature and humidity sensor 11 can select for use AHT10 temperature and humidity sensor chip, it is understood that time and humiture all normally show under the silence state.
Example two
Referring to fig. 3, an electric bell indicator device in this embodiment, which adopts the electric bell indicator system described above, further includes a housing, a display 12, a power amplifier 15, and a circuit board assembly, where the circuit board assembly is assembled in a housing cavity of the housing, each assembly of the electric bell indicator system is assembled on the circuit board assembly, the display 12 and the power amplifier are connected with the housing, and both a light emitting surface of the display and a sound emitting surface of the power amplifier face a user.
It will be appreciated that the device is typically secured in place at a vehicle overhead interior-access opening, typically by bolting, which will typically reserve the device's assembled position.
In order to avoid mutual interference between different circuits, the circuit board assembly may include a structure of an LED display circuit board 16 and a control circuit board 17, the display screen driving unit is mounted on the LED display circuit board 16, and the power circuit unit, the MCU chip unit 7, the external signal transceiving unit 8 and the power amplifier driving unit 3 are mounted on the control circuit board 17.
In this embodiment, the housing is generally configured to include a bottom case 18 and a decorative cover 13, where the bottom case 18 and the decorative cover 13 are assembled together to form a receiving cavity, and the assembly mode is generally bolting, and the decorative cover 13 is provided with a first assembly port and a second assembly port, and the display 12 and the power amplifier 15 respectively correspond to the first assembly port and the second assembly port.
It will be appreciated that for better protection of the display 12, a light transmissive tea color plate 14 may also be provided, the light transmissive tea color plate 14 covering the first assembly opening, the display surface of the display 12 presenting information to the user through the light transmissive tea color plate 14.
The foregoing describes specific embodiments of the present utility model. It is to be understood that the utility model is not limited to the particular embodiments described above, and that various changes or modifications may be made by those skilled in the art within the scope of the appended claims without affecting the spirit of the utility model. The embodiments of the present application and features in the embodiments may be combined with each other arbitrarily without conflict.
Claims (10)
1. An electric bell indication board system is characterized by comprising a power circuit unit, an MCU chip unit, an external signal receiving and transmitting unit, a display screen driving unit and a power amplifier driving unit, wherein,
the power supply circuit unit supplies power to the MCU chip, the power amplifier driving unit and the external signal receiving and transmitting unit, and also supplies power to the display screen through the display screen driving unit;
the external signal receiving and transmitting unit is used for receiving the electric bell signal and the door opening and closing signal of the bus and transmitting the received signals to the MCU chip unit;
the MCU chip unit is used for generating corresponding control instruction signals to the display screen driving unit and the power amplifier driving unit according to the received signals;
the display screen driving unit is used for controlling the display screen to display corresponding information according to the control instruction signal;
the power amplifier driving unit is used for controlling the power amplifier to work according to the control command signal.
2. The electric bell sign system of claim 1 wherein: the display screen is an LED dot matrix screen, and correspondingly, the display screen driving unit comprises a dot matrix screen row driving subunit and a dot matrix screen column driving subunit which respectively drive the rows and columns of the LED dot matrix screen.
3. The electric bell sign system of claim 1 wherein: the power supply circuit unit comprises a voltage converter and a low-voltage linear voltage stabilizer, the voltage converter converts power supply voltage into fixed voltage and inputs the fixed voltage to the power amplifier driving unit, the low-voltage linear voltage stabilizer and the dot matrix screen row driving subunit, and the low-voltage linear voltage stabilizer stabilizes input voltage and current at preset values and then outputs the stabilized voltage and current to the MCU chip unit, the dot matrix screen row driving subunit and the external signal receiving and transmitting unit.
4. The electric bell sign system of claim 1 wherein: the intelligent controller is characterized by further comprising a CAN communication unit and a hard wire input interface unit, wherein the CAN communication unit and the hard wire input interface unit are both in communication connection with the MCU chip unit.
5. The electric bell sign system of claim 1, further comprising a temperature and humidity sensor, wherein the power supply circuit unit supplies power to the temperature and humidity sensor, the temperature and humidity sensor sends acquired temperature and humidity data to the MCU chip unit, and the MCU chip unit generates a control instruction signal according to the acquired temperature and humidity data and sends the control instruction signal to the display screen driving unit.
6. The electric bell sign system of claim 1 further comprising an RTC clock, the power circuit unit supplying power to the RTC clock, the RTC clock transmitting a clock signal to the MCU chip, the MCU chip generating a control instruction signal from the clock signal and transmitting to the display screen drive unit.
7. An electric bell sign device is characterized by further comprising a shell, a display screen, a power amplifier and a circuit board assembly, wherein the circuit board assembly is assembled in a containing cavity of the shell, each assembly of the electric bell sign system is assembled on the circuit board assembly, the display screen and the power amplifier are connected with the shell, and a light emitting surface of the display screen and a sound emitting surface of the power amplifier face users.
8. The bell sign device of claim 7 wherein the circuit board assembly comprises an LED display circuit board and a control circuit board, the display screen drive unit being mounted on the LED display circuit board, the power circuit unit, the MCU chip unit, the external signal transceiver unit, and the power amplifier drive unit being mounted on the control circuit board.
9. The electric bell sign device of claim 7 wherein the housing comprises a bottom shell and a decorative cover, the bottom shell and the decorative cover being assembled together to form the receiving cavity, the decorative cover being provided with a first assembly port and a second assembly port, the display screen and the power amplifier corresponding to the first assembly port and the second assembly port, respectively.
10. The bell sign apparatus of claim 9 further comprising a light transmissive tea color plate overlaying the first mounting port, the display surface of the display screen displaying information to a user through the light transmissive tea color plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223095653.1U CN219214856U (en) | 2022-11-22 | 2022-11-22 | Electric bell indication board system and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223095653.1U CN219214856U (en) | 2022-11-22 | 2022-11-22 | Electric bell indication board system and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219214856U true CN219214856U (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223095653.1U Active CN219214856U (en) | 2022-11-22 | 2022-11-22 | Electric bell indication board system and device |
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| Country | Link |
|---|---|
| CN (1) | CN219214856U (en) |
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- 2022-11-22 CN CN202223095653.1U patent/CN219214856U/en active Active
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