4G data collector control circuit

Abstract

The utility model discloses a 4G data collector control circuit, which relates to the field of communication management, and comprises a 5V power supply input used for providing 5V power supply voltage for the circuit; the USB interface circuit is used for controlling the access of a USB (Universal Serial Bus); the power conversion circuit is used for converting 5V power input into 4V power output; the protocol conversion module control circuit is used for converting a USB (Universal Serial Bus) protocol into a UART (Universal Asynchronous Receiver / Transmitter) protocol; the data processing module control circuit is used for controlling start and stop of the whole circuit; according to the 4G data collector control circuit, all components are integrated on one circuit board to form a numerical control module with a 4G communication function, the integration level is improved, an external processor or an external functional chip does not need to be used for control, and the problem of remote communication of a numerical control device is solved by arranging a 4G communication unit in the circuit.

Description

Technical Field

[0001] The utility model relates to communication management technology, and specifically relates to a control circuit for a 4G data collector. Background Art

[0002] At present, in recent years, photovoltaic power generation has developed rapidly. Among them, household rooftop photovoltaic power stations are a new type of photovoltaic power station emerging in recent years. With low cost, flexible construction, and small floor area, they have become a new energy source that ordinary households can choose.

[0003] However, due to the lack of communication network in the wild environment, the production data of rooftop photovoltaic cannot be transmitted back to the computer system, or there is a self-built communication network, but the network signal is affected by the geographical environment and cannot transmit data in time, so personnel need to go to the site for regulation. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a control circuit for a 4G data collector to solve the above deficiencies in the prior art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A control circuit for a 4G data collector, including:

[0006] 5V power input, which is used to provide a 5V sampling voltage for the circuit;

[0007] USB interface circuit, which is used to control the access of USB;

[0008] Power conversion circuit, which is used to convert the 5V power input into a 4V power output;

[0009] Protocol conversion module control circuit, which is used to convert the USB protocol into the UART protocol;

[0010] Data processing module control circuit, which is used to control the start and stop of the overall circuit;

[0011] LED indicator control circuit, which is used to control the LED indicator in the circuit;

[0012] 4G wireless module control circuit, which is used to control the 4G wireless module;

[0013] UART control circuit, which is used for asynchronous communication. The UART control circuit bus has two-way communication and can achieve full-duplex transmission and reception.

[0014] Further, the power conversion circuit includes a DC-DC chip with the model number TLV62569DBVR. The VIN pin of the DC-DC chip is connected to the 5V power input. The SW pin of the DC-DC chip outputs 3.3V power. The EN pin of the DC-DC chip is grounded through an inductor C32, and a resistor R17 is connected in parallel at both ends of the inductor C32. The resistor R17 is connected to the 4G-PWR-EN pin of the data processing module control circuit. The FB pin of the DC-DC chip is connected to the SW pin of the DC-DC chip through an inductor C15.

[0015] Further, the USB interface circuit includes a USB chip with the model number CH343G. The TXD pin of the USB chip is connected to the DUG-RX pin of the MCU control circuit. The RXD pin of the USB chip is connected to the DUG-TX pin of the MCU control circuit. The UD+ pin of the USB chip is connected to the D+ pin of the USB interface. The UD- pin of the USB chip is connected to the D- pin of the USB interface.

[0016] Further, the input end of the LED indicator is connected to the 5V power input. The output end of the LED indicator is connected to the C pin of the triode through a resistor. The B pin of the triode is connected to the resistor and then connected to the WIFI control circuit, and the E pin of the triode is grounded.

[0017] Further, the protocol conversion module control circuit includes a triode Q5. The e pin of the triode Q5 is connected to the 4G-TXD pin of the 4G wireless module control circuit. The b pin of the triode Q5 is connected to the VDD-EXT pin of the 4G wireless module control circuit. The c pin of the triode Q5 is connected to the RXD-MCU pin of the data processing module control circuit.

[0018] Further, the protocol conversion module control circuit further includes a triode Q6. The e pin of the triode Q6 is connected to the 4G-RXD pin of the 4G wireless module control circuit. The b pin of the triode Q6 is connected to the VDD-EXT pin of the 4G wireless module control circuit. The c pin of the triode Q6 is connected to the TXD-MCU pin of the data processing module control circuit.

[0019] Compared with the prior art, a 4G data collector control circuit provided by the present utility model integrates each component on a circuit board to form a numerical control module with 4G communication function, improving the integration degree. It does not need to use an external processor or an external functional chip for control, and solves the problem of remote communication of the numerical control device by setting a 4G communication unit in the circuit. Description of the Drawings

[0020] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the accompanying drawings required for use in the embodiments. Obviously, the accompanying drawings in the following description are only some embodiments described in the present utility model. For those of ordinary skill in the art, other accompanying drawings can also be obtained based on these drawings.

[0021] Figure 1 It is a schematic diagram of the overall structure provided by the embodiment of the present utility model;

[0022] Figure 2 It is a schematic diagram of the first part of the circuit structure provided by the embodiment of the present utility model;

[0023] Figure 3 It is a schematic diagram of the second part of the circuit structure provided by the embodiment of the present utility model;

[0024] Figure 4 It is a schematic diagram of the third part of the circuit structure provided by the embodiment of the present utility model;

[0025] Figure 5 It is a schematic diagram of the fourth part of the circuit structure provided by the embodiment of the present utility model. Detailed implementation manners

[0026] To enable those skilled in the art to better understand the technical solutions of the present utility model, the following will further introduce the present utility model in detail in conjunction with the accompanying drawings.

[0027] Please refer to Figures 1-3 , a 4G data collector control circuit, including:

[0028] A 5V power input, which is used to provide a 5V sampling voltage for the circuit;

[0029] A USB interface circuit, which is used to control the access of USB;

[0030] A power conversion circuit, which is used to convert the 5V power input into a 4V power output;

[0031] A protocol conversion module control circuit, which is used to convert the USB protocol into the UART protocol;

[0032] A data processing module control circuit, which is used to control the start and stop of the overall circuit;

[0033] An LED indicator control circuit, which is used to control the LED indicator in the circuit;

[0034] A 4G wireless module control circuit, which is used to control the 4G wireless module;

[0035] UART control circuit, the UART control circuit is used for asynchronous communication, and the UART control circuit bus enables two-way communication, enabling full-duplex transmission and reception.

[0036] The power conversion circuit includes a DC-DC chip of model TLV62569DBVR. The VIN pin of the DC-DC chip is connected to the 5V power input. The SW pin of the DC-DC chip outputs 3.3V power. The EN pin of the DC-DC chip is grounded through an inductor C32, and a resistor R17 is connected in parallel at both ends of the inductor C32. The resistor R17 is connected to the 4G-PWR-EN pin of the data processing module control circuit. The FB pin of the DC-DC chip is connected to the SW pin of the DC-DC chip through an inductor C15.

[0037] The USB interface circuit includes a USB chip of model CH343G. The TXD pin of the USB chip is connected to the DUG-RX pin of the MCU control circuit. The RXD pin of the USB chip is connected to the DUG-TX pin of the MCU control circuit. The UD+ pin of the USB chip is connected to the D+ pin of the USB interface. The UD- pin of the USB chip is connected to the D- pin of the USB interface.

[0038] The input end of the LED indicator is connected to the 5V power input. The output end of the LED indicator is connected to the C pin of the triode through a resistor. The B pin of the triode is connected to the resistor and then connected to the WIFI control circuit, and the E pin of the triode is grounded.

[0039] The protocol conversion module control circuit includes a triode Q5. The e pin of the triode Q5 is connected to the 4G-TXD pin of the 4G wireless module control circuit. The b pin of the triode Q5 is connected to the VDD-EXT pin of the 4G wireless module control circuit. The c pin of the triode Q5 is connected to the RXD-MCU pin of the data processing module control circuit.

[0040] The protocol conversion module control circuit further includes a triode Q6. The e pin of the triode Q6 is connected to the 4G-RXD pin of the 4G wireless module control circuit. The b pin of the triode Q6 is connected to the VDD-EXT pin of the 4G wireless module control circuit. The c pin of the triode Q6 is connected to the TXD-MCU pin of the data processing module control circuit.

[0041] Only some exemplary embodiments of the present utility model have been described by way of illustration. Without doubt, for those of ordinary skill in the art, the described embodiments can be modified in various different ways without departing from the spirit and scope of the present utility model. Therefore, the above drawings and description are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present utility model.

Claims

1. A 4G data collector control circuit, characterized in that, Including: A 5V power input, which is used to provide a 5V spotting voltage for the circuit; A USB interface circuit, which is used to control the access of USB; A power conversion circuit, which is used to convert the 5V power input into a 4V power output; A protocol conversion module control circuit, which is used to convert the USB protocol into the UART protocol; A data processing module control circuit, which is used to control the start and stop of the overall circuit; An LED indicator control circuit, which is used to control the LED indicator in the circuit; A 4G wireless module control circuit, which is used to control the 4G wireless module; A UART control circuit, which is used for asynchronous communication. The UART control circuit has two-way bus communication and can achieve full-duplex transmission and reception.

2. The control circuit of a 4G data collector according to claim 1, characterized in that, The power conversion circuit includes a DC-DC chip with the model number TLV62569DBVR. The VIN pin of the DC-DC chip is connected to the 5V power input. The SW pin of the DC-DC chip outputs a 3.3V power. The EN pin of the DC-DC chip is grounded through an inductor C32, and both ends of the inductor C32 are shunted with a resistor R17. The resistor R17 is connected to the 4G-PWR-EN pin of the data processing module control circuit. The FB pin of the DC-DC chip is connected to the SW pin of the DC-DC chip through an inductor C15.

3. A control circuit for a 4G data collector according to claim 1, characterized in that, The USB interface circuit includes a USB chip with the model number CH343G. The TXD pin of the USB chip is connected to the DUG-RX pin of the MCU control circuit. The RXD pin of the USB chip is connected to the DUG-TX pin of the MCU control circuit. The UD+ pin of the USB chip is connected to the D+ pin of the USB interface. The UD- pin of the USB chip is connected to the D- pin of the USB interface.

4. The control circuit of a 4G data collector according to claim 1, characterized in that, The input end of the LED indicator is connected to the 5V power input. The output end of the LED indicator is connected to the C pin of the triode through a resistor. The B pin of the triode is connected to the resistor and then connected to the WIFI control circuit, and the E pin of the triode is grounded.

5. A 4G data collector control circuit according to claim 1, characterized in that, The protocol conversion module control circuit includes a triode Q5. The e pin of the triode Q5 is connected to the 4G-TXD pin of the 4G wireless module control circuit. The b pin of the triode Q5 is connected to the VDD-EXT pin of the 4G wireless module control circuit. The c pin of the triode Q5 is connected to the RXD-MCU pin of the data processing module control circuit.

6. The control circuit of a 4G data collector according to claim 1, characterized in that, The protocol conversion module control circuit further includes a triode Q6. The e pin of the triode Q6 is connected to the 4G-RXD pin of the 4G wireless module control circuit. The b pin of the triode Q6 is connected to the VDD-EXT pin of the 4G wireless module control circuit. The c pin of the triode Q6 is connected to the TXD-MCU pin of the data processing module control circuit.

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