CN218041647U - Data exchange unit suitable for elevator monitoring device - Google Patents
Data exchange unit suitable for elevator monitoring device Download PDFInfo
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- CN218041647U CN218041647U CN202221926292.8U CN202221926292U CN218041647U CN 218041647 U CN218041647 U CN 218041647U CN 202221926292 U CN202221926292 U CN 202221926292U CN 218041647 U CN218041647 U CN 218041647U
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Abstract
The utility model discloses a data exchange unit suitable for an elevator monitoring device, which comprises a singlechip minimum system, an SD card storage circuit and a 4G communication module, wherein the singlechip minimum system comprises a general MCU chip, and the 4G communication module is connected with the general MCU chip; the SD card storage circuit comprises an integrated circuit TF-01A, wherein pins 9 of the integrated circuit TF-01A are connected with I/O pins of an MCU chip through a resistor R45, pins 2, 3, 5 and 7 of the integrated circuit TF-01A are respectively connected with different I/O pins of the MCU chip, pins 2, 3, 5, 7 and 9 of the integrated circuit TF-01A are respectively connected with a pull-up resistor, pins 6, 10, 11, 12 and 13 of the integrated circuit TF-01A are all grounded, and pins 4 of the integrated circuit TF-01A are connected with a power supply. The utility model discloses a SD card memory circuit and 4G communication module can effectually avoid the communication protocol of various differences, realize elevator monitoring device and outside data interchange.
Description
Technical Field
The utility model relates to an elevator control technical field especially relates to a data exchange unit suitable for elevator monitoring device.
Background
The elevator monitoring system is developed by well-known elevator companies at home and abroad, and has own communication protocols, but fault codes of all companies are different, the communication protocols are different, hardware interfaces are different, data cannot be taken by property management companies or third-party detection, and elevator faults cannot be judged.
Disclosure of Invention
The utility model aims at providing a data exchange unit suitable for elevator monitoring device through SD card memory circuit and 4G communication module, can effectually avoid the communication protocol of various differences, realizes elevator monitoring device and outside data exchange.
In order to achieve the purpose, the utility model adopts the following technical proposal:
the utility model is suitable for a data exchange unit of elevator monitoring device, including singlechip minimum system, SD card memory circuit and 4G communication module, singlechip minimum system includes general MCU chip, 4G communication module connects general MCU chip;
the SD card storage circuit comprises an integrated circuit TF-01A, wherein pins 9 of the integrated circuit TF-01A are connected with I/O pins of an MCU chip through a resistor R45, pins 2, 3, 5 and 7 of the integrated circuit TF-01A are respectively connected with different I/O pins of the MCU chip, pins 2, 3, 5, 7 and 9 of the integrated circuit TF-01A are respectively connected with a pull-up resistor, pins 6, 10, 11, 12 and 13 of the integrated circuit TF-01A are all grounded, and pins 4 of the integrated circuit TF-01A are connected with a power supply.
Further, the utility model discloses still include the LCD display screen, the general MCU chip is connected to the LCD display screen.
Preferably, the minimum system of singlechip still includes reset circuit and oscillating circuit, all connect general MCU chip from reset circuit, oscillating circuit, general MCU chip is MSP430, MSP 430's operating voltage is 3.3V.
Furthermore, a pin 4 of the integrated circuit TF-01A is connected with 3.3V, and a decoupling capacitor C40 is connected between the pin 4 and the pin 12 of the integrated circuit TF-01A.
Further, the utility model discloses still include memory circuit, memory circuit includes EEPROM chip FM24CO8D, and MSP 430's 33 feet are connected to FM24CO 8D's SCL pin, and MSP 430's 34 feet are connected to FM24CO 8D's SDA pin, and FM24CO 8D's SCL pin, SDA pin all dispose pull-up resistance, and FM24CO 8D's operating voltage is 3.3V, and FM24CO8D's power pin disposes decoupling capacitance C32.
Preferably, the reset circuit comprises a resistor R15 and a capacitor C16, one end of the resistor R15 is connected to 3.3V, the other end of the resistor R15 is connected to one end of the capacitor C16 and the pin 80 of the MSP430, and the other end of the capacitor C16 is grounded.
Preferably, the oscillation circuit comprises a crystal oscillator X1, one end of the crystal oscillator X1 is connected to the pin 21 of the MSP430 and one end of the capacitor C18, the other end of the crystal oscillator X1 is connected to the pin 22 of the MSP430 and one end of the capacitor C20, and the other end of the capacitor C18 and the other end of the capacitor C20 are both grounded.
Further, the utility model discloses still include indicating circuit, indicating circuit includes NPN triode Q7, the one end of one end, resistance R38 of NPN triode Q7's base connecting resistance R33, MSP 430's 57 feet are connected to resistance R33's the other end, and emitting diode LED 1's negative pole, emitting diode LED 2's negative pole are connected to NPN triode Q7's collecting electrode, and 3.3V, resistance R38, NPN triode Q7's projecting pole ground connection are connected to emitting diode LED 1's positive pole, emitting diode LED 2's positive pole.
The principle of the utility model is as follows: the general MCU chip writes the received elevator monitoring data into the SD card through the SD card storage circuit, and the property management company or a third party detects that the elevator monitoring data is obtained by extracting the SD card; the data monitored by the elevator can also be obtained through the corresponding intelligent equipment through the 4G communication module.
The utility model discloses a SD card memory circuit and 4G communication module can effectually avoid the communication protocol of various differences, realize elevator monitoring device and outside data interchange. The indicating circuit can provide indication when data is written into the SD card or the SD card is extracted. The power supply voltage of the msp430 chip is 1.8-3.6V, so that the current of the chip can be about 200-400uA when the chip runs under a clock condition of 1MHz, the minimum power consumption of a clock turn-off mode is only 0.1uA, and the power consumption can be effectively reduced.
Drawings
Fig. 1 is a schematic block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of embodiment 1.
FIG. 3 is a circuit schematic of a memory circuit.
Fig. 4 is a circuit schematic of the indicating circuit.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings.
Example 1
As shown in fig. 1, the embodiment discloses a data exchange unit suitable for an elevator monitoring device, which includes a minimum system of a single chip microcomputer, an SD card storage circuit, and a 4G communication module, wherein the minimum system of the single chip microcomputer includes a general MCU chip, and the 4G communication module is connected to the general MCU chip; this embodiment still includes the LCD display screen, and the general MCU chip of LCD display screen connection.
The minimum system of the single chip microcomputer further comprises a reset circuit and an oscillation circuit, and the self-reset circuit and the oscillation circuit are connected with the general MCU chip. The embodiment further comprises a storage circuit, wherein the storage circuit is connected with the general MCU chip and used for providing a data storage space and a data operation space for the general MCU chip.
As shown in FIG. 2, the SD card storage circuit comprises an integrated circuit TF-01A, wherein pins 9 of the integrated circuit TF-01A are connected with I/O pins of an MCU chip through a resistor R45, pins 2, 3, 5 and 7 of the integrated circuit TF-01A are respectively connected with different I/O pins of the MCU chip, pins 2, 3, 5, 7 and 9 of the integrated circuit TF-01A are all connected with pull-up resistors, pins 6, 10, 11, 12 and 13 of the integrated circuit TF-01A are all grounded, and pins 4 of the integrated circuit TF-01A are connected with a power supply.
The general MCU chip is MSP430, and the working voltage of MSP430 is 3.3V. The MSP430 chip with low power consumption is adopted because the MSP chip has unique characteristics in the aspects of reducing the power supply voltage of the chip and flexibly and controllably operating a clock, reduces the energy consumption and accords with the low-carbon policy of the country. The power supply voltage is 1.8 to 3.6V. Therefore, when the circuit runs under the clock condition of 1MHz, the current of the chip is about 200 to 400uA, and the lowest power consumption of the clock off mode is only 0.1uA. And selecting low-power consumption elements from other elements. Because the elevator is a closed space, unstable signal transmission is avoided, and the SD card is adopted for storage, so that complete data recording can be ensured.
Specifically, the pin 4 of the integrated circuit TF-01A is connected with 3.3V, and the decoupling capacitor C40 is connected between the pin 4 and the pin 12 of the integrated circuit TF-01A.
The reset circuit comprises a resistor R15 and a capacitor C16, wherein one end of the resistor R15 is connected with 3.3V, the other end of the resistor R15 is connected with one end of the capacitor C16 and an 80 pin of the MSP430, and the other end of the capacitor C16 is grounded.
The oscillating circuit comprises a crystal oscillator X1, one end of the crystal oscillator X1 is connected with a pin 21 of the MSP430 and one end of a capacitor C18, the other end of the crystal oscillator X1 is connected with a pin 22 of the MSP430 and one end of a capacitor C20, and the other end of the capacitor C18 and the other end of the capacitor C20 are both grounded.
Example 2
As shown in fig. 3, the present embodiment further discloses, on the basis of embodiment 1, that the memory circuit is as follows:
the storage circuit comprises an EEPROM chip FM24CO8D, wherein an SCL pin of the FM24CO8D is connected with a pin 33 of the MSP430, an SDA pin of the FM24CO8D is connected with a pin 34 of the MSP430, pull-up resistors are arranged on the SCL pin and the SDA pin of the FM24CO8D, the working voltage of the FM24CO8D is 3.3V, and a decoupling capacitor C32 is arranged on a power supply pin of the FM24CO8D.
Example 3
As shown in fig. 4, this embodiment further includes an indication circuit on the basis of embodiment 1 or 2, and discloses that the indication circuit is specifically as follows:
the indicating circuit comprises an NPN triode Q7, the base electrode of the NPN triode Q7 is connected with one end of a resistor R33 and one end of a resistor R38, the other end of the resistor R33 is connected with a pin 57 of the MSP430, the collector electrode of the NPN triode Q7 is connected with the cathode of the light emitting diode LED1 and the cathode of the light emitting diode LED2, the anode of the light emitting diode LED1 and the anode of the light emitting diode LED2 are connected with 3.3V, and the emitter electrodes of the resistor R38 and the NPN triode Q7 are grounded.
Of course, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it is intended that all such modifications and variations be considered within the spirit or scope of the present invention as defined by the appended claims.
Claims (8)
1. Data exchange unit suitable for elevator monitoring device, its characterized in that: the system comprises a singlechip minimum system, an SD card storage circuit and a 4G communication module, wherein the singlechip minimum system comprises a universal MCU chip, and the 4G communication module is connected with the universal MCU chip;
the SD card storage circuit comprises an integrated circuit TF-01A, wherein pins 9 of the integrated circuit TF-01A are connected with I/O pins of an MCU chip through a resistor R45, pins 2, 3, 5 and 7 of the integrated circuit TF-01A are respectively connected with different I/O pins of the MCU chip, pins 2, 3, 5, 7 and 9 of the integrated circuit TF-01A are respectively connected with a pull-up resistor, pins 6, 10, 11, 12 and 13 of the integrated circuit TF-01A are all grounded, and pins 4 of the integrated circuit TF-01A are connected with a power supply.
2. A data exchange unit suitable for use in an elevator monitoring device according to claim 1, wherein: the LED display screen is connected with the general MCU chip.
3. Data exchange unit suitable for use in an elevator monitoring device according to claim 1, characterized in that: the minimum system of the single chip microcomputer further comprises a reset circuit and an oscillating circuit, wherein the reset circuit and the oscillating circuit are both connected with a general MCU chip, the general MCU chip is MSP430, and the working voltage of the MSP430 is 3.3V.
4. A data exchange unit suitable for use in an elevator monitoring device according to claim 1, wherein: a pin 4 of the integrated circuit TF-01A is connected with 3.3V, and a decoupling capacitor C40 is connected between a pin 4 and a pin 12 of the integrated circuit TF-01A.
5. A data exchange unit adapted for use in an elevator monitoring device according to claim 3, wherein: the EEPROM chip is further provided with a storage circuit, the storage circuit comprises an EEPROM chip FM24CO8D, an SCL pin of the FM24CO8D is connected with a pin 33 of the MSP430, an SDA pin of the FM24CO8D is connected with a pin 34 of the MSP430, pull-up resistors are arranged on the SCL pin and the SDA pin of the FM24CO8D, a decoupling capacitor C32 is arranged on a power supply pin of the FM24CO8D with the working voltage of 3.3V and FM24CO8D.
6. A data exchange unit adapted for use in an elevator monitoring device according to claim 3, wherein: the reset circuit comprises a resistor R15 and a capacitor C16, wherein one end of the resistor R15 is connected with 3.3V, the other end of the resistor R15 is connected with one end of the capacitor C16 and an 80 pin of the MSP430, and the other end of the capacitor C16 is grounded.
7. A data exchange unit suitable for use in an elevator monitoring device according to claim 3, wherein: the oscillating circuit comprises a crystal oscillator X1, one end of the crystal oscillator X1 is connected with a pin 21 of the MSP430 and one end of a capacitor C18, the other end of the crystal oscillator X1 is connected with a pin 22 of the MSP430 and one end of a capacitor C20, and the other end of the capacitor C18 and the other end of the capacitor C20 are both grounded.
8. A data exchange unit suitable for use in an elevator monitoring device according to claim 3, wherein: the LED lamp further comprises an indicating circuit, the indicating circuit comprises an NPN triode Q7, the base of the NPN triode Q7 is connected with one end of a resistor R33 and one end of a resistor R38, the other end of the resistor R33 is connected with a pin 57 of an MSP430, the collector of the NPN triode Q7 is connected with the cathode of the LED1 and the cathode of the LED2, the anode of the LED1 and the anode of the LED2 are connected with 3.3V, and the resistor R38 and the emitter of the NPN triode Q7 are grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221926292.8U CN218041647U (en) | 2022-07-25 | 2022-07-25 | Data exchange unit suitable for elevator monitoring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221926292.8U CN218041647U (en) | 2022-07-25 | 2022-07-25 | Data exchange unit suitable for elevator monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218041647U true CN218041647U (en) | 2022-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221926292.8U Active CN218041647U (en) | 2022-07-25 | 2022-07-25 | Data exchange unit suitable for elevator monitoring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218041647U (en) |
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2022
- 2022-07-25 CN CN202221926292.8U patent/CN218041647U/en active Active
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