CN218829250U

CN218829250U - DC/DC module intelligent detection device based on big data pickup

Info

Publication number: CN218829250U
Application number: CN202223037884.7U
Authority: CN
Inventors: 李阳; 杨波; 程科仁; 李志铭; 郑建宇; 王海滨; 潘祉名; 赵海森; 李佳旭; 郭昊; 王雪
Original assignee: Anshan Power Supply Co Of State Grid Liaoning Electric Power Co; State Grid Corp of China SGCC
Current assignee: Anshan Power Supply Co Of State Grid Liaoning Electric Power Co; State Grid Corp of China SGCC
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-04-07
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to a DC/DC module intelligent detection device based on big data pickup, including controller, detection device and RS485 module, still include energy storage and emergency power supply module and wireless communication module, detection device connection director, detect the voltage, electric current and the operational environment humiture of DC/DC module, energy storage and emergency power supply module output end connection director provides the power for the controller, the communication pin of controller connects RS485 module and communicates with DC/DC module, the communication pin of controller connects wireless communication module, carries out wireless communication with external equipment; utilize energy storage and emergency power source module to solve the power guarantee of shaft tower and other outdoor DC communication module to emergency repair power is provided, utilize GSM SMS alarm module and 5G communication module to realize the real-time sending of alarm information, and utilize wifi module and LORA module to realize with the wireless communication of inspection personnel, the efficiency and the degree of accuracy of troubleshooting have effectively been improved.

Description

DC/DC module intelligent detection device based on big data pickup

Technical Field

The utility model relates to the field of electronic technology, especially, relate to a DC/DC module intellectual detection system device based on big data pick up.

Background

Along with the rapid development of scientific technology, the living standard of people is continuously improved, electric power is widely applied by people, and therefore the requirement for stable operation of electric power equipment is higher and higher, at the present stage, most of the electric power equipment in a transformer substation has fault alarm and data early warning functions, and some equipment even has an artificial intelligence state recognition function, but a large number of communication power supplies in the system are in a monitoring blind area, a DC/DC module is mostly used as a communication power supply in the electric power system, and bears the power supply work of a communication assembly of the electric power system, and is installed at the front end of the communication assembly of the electric power system, the power supply input of the transformer substation is from a centralized direct current bus or a UPS system, and because of the existence of the UPS system, the power failure risk does not exist, but the emergency repair of the tower and other outdoor communication terminals of the communication assembly also does not have power supply guarantee, the emergency alarm cannot be carried out during power failure, the maintenance power supply does not exist, certain difficulty is caused to emergency, operation and maintenance workers mostly carry out fault inspection in a manual inspection mode, the efficiency is low, and the accuracy rate is lower.

Chinese patent publication No. CN 113690851B discloses a communication base station power protection device, which includes: the communication base station power supply protection device protects the safety of a power supply and avoids the danger brought by the power supply by detecting the external environment of the communication base station power supply, adopts lightning stroke protection, prevents the damage brought by instant high-voltage pulse, and maintains the operation of the communication base station while protecting the power supply; however, the invention is still used for switching the power supply from a centralized direct current bus or a UPS system, and is not suitable for power supply guarantee of towers or other outdoor communication terminals.

Disclosure of Invention

The utility model provides a DC/DC module intellectual detection system device based on big data pickup utilizes energy storage and emergency power module to provide the power guarantee for DC/DC communication module to utilize GSM SMS alarm module and 5G communication module to send alarm information in real time, utilize wifi module and LORA module to realize with the wireless communication of inspection personnel.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a DC/DC module intellectual detection system device based on big data pickup, includes controller, detection device and RS485 module, still includes energy storage and emergency power source module and wireless communication module, and detection device connection director detects DC/DC module's voltage, electric current and operational environment humiture, and energy storage and emergency power source module output connection director provides the power for the controller, and RS485 module and DC/DC module communication are connected to the communication pin of controller, wireless communication module is connected to the communication pin of controller, carries out wireless communication with external equipment.

Further, the energy storage and emergency power supply module comprises an energy storage circuit, a lithium ion polymer battery and a PWM (pulse width modulation) inverter circuit, 48V direct current enters an input end of the energy storage circuit, an output end of the energy storage circuit is connected with the lithium ion polymer battery to charge the lithium ion polymer battery, an output end of the lithium ion polymer battery is connected with the PWM inverter circuit to output two paths of alternating current, one path of alternating current is changed into 3.3V through a step-down transformer to be connected with an MCU (microprogrammed control unit) chip, and the other path of alternating current is changed into 220V through a step-up transformer to serve as an external emergency maintenance tool power supply.

Further, wireless communication module includes wifi module, GSM SMS alarm module, LORA module and 5G communication module.

Further, the detection device comprises a temperature and humidity detection module, a voltage detection circuit and a current detection circuit.

Further, the controller selects the MCU control chip.

Compared with the prior art, the beneficial effects of the utility model are that:

1) The energy storage and emergency power supply module is used for guaranteeing the power supply of the tower and other outdoor DC/DC communication modules, and providing an emergency repair power supply;

2) The GSM short message alarm module and the 5G communication module are used for realizing real-time sending of alarm information, and the wifi module and the LORA module are used for realizing wireless communication with inspection personnel;

3) The efficiency and the accuracy of troubleshooting are effectively improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structural schematic diagram of the MCU control chip of the present invention.

Fig. 3 is a schematic circuit diagram of the energy storage and emergency power supply module of the present invention.

Fig. 4 is a schematic diagram of the current detection circuit of the present invention.

Fig. 5 is a schematic diagram of the voltage detection circuit of the present invention.

Detailed Description

The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:

see fig. 1, which is a schematic structural diagram of the present invention. The utility model relates to a DCDC module intellectual detection system device based on big data pickup, including controller, detection device and RS485 module, still include energy storage and emergency power supply module and wireless communication module, detection device connection director detects the voltage, electric current and the operational environment humiture of DCDC module, and energy storage and emergency power supply module output connection director provide stabilizing power for the controller, and the communication pin of controller connects RS485 module and DCDC module communication, wireless communication module is connected to the communication pin of controller carries out wireless communication with external equipment.

See fig. 2, the controller selects the MCU control chip, the power end inputs 3.3V voltage, the PA9 and PA10 pins of the MCU control chip are connected to TX and RX pins of the GSM short message alarm module and 5G communication module, respectively, alarm information is sent to the maintainer through short message alarm and 5G signal, the PA10 and PA11 pins of the MCU control chip are connected to TX and RX pins of the wifi module, DATA transmission and reception are performed with the wifi module, RXD1 and TXD1 pins of the MCU control chip are connected to RO and DI pins of the RS485 module, A, B pin of the RS485 module is connected to RS pin of the DC/DC communication module, SCK and IN6 pins of the MCU control chip are connected to SCK and DATA pins of the temperature and humidity detection module, PA3 and PA4 pins of the MCU control chip are connected to MISO and MOSI pins of the LORA module, SCK, PA3 and PA6 pins of the SD card chip are connected to SCK, DAT0 and DAT0 pins of the MCU control chip, DAT1 and DAT0 pins of the MCU control chip are connected to ground resistance pins of the MCU control chip, and DAT0 and IN and DAT0 pins of the MCU control chip are connected to ground resistance circuit, and the ground resistance of the MCU control chip.

Referring to fig. 3, further, the energy storage and emergency power supply module includes an energy storage circuit, a lithium ion polymer battery and a PWM inverter circuit, 48V direct current is input to the energy storage and emergency power supply circuit, a fuse FU1 is connected in series with a diode D1, is connected in parallel with an electrolytic capacitor C1, is connected in series with an insulated gate bipolar transistor, and is rectified by a diode D2, a diode D2 is connected in series with an inductor L1, is connected in parallel with a diode C2, rectifies and filters current, and then outputs the rectified current, and the lithium ion polymer battery stores electric energy; the output end of the lithium ion polymer battery is connected with the PWM inverter circuit, the output end of the inverter circuit is connected with the multi-winding transformer BT, two groups of alternating currents are output after inversion transformation, one path of alternating current is changed into 3.3V through the step-down transformer to be connected with the MCU chip, and the other path of alternating current is changed into 220V through the step-up transformer to serve as an external emergency maintenance tool power supply.

Further, the wireless communication module comprises a wifi module, a GSM short message alarm module, an LORA module and a 5G communication module, wherein the wifi module selects the model ESP8266, and the GSM short message alarm module selects the model SIM800L.

Referring to fig. 4-5, further, the detection device includes a temperature and humidity detection module, a voltage detection circuit and a current detection circuit, the temperature and humidity detection circuit selects an HTU21D chip, the voltage detection circuit converts a large voltage signal into a small voltage signal through a differential operational amplifier U5A, and VREF/2 (1.25V) voltage is used as a reference, and a voltage higher than 1.25V is positive and a voltage lower than negative; the right side of the current detection circuit is provided with 6 current signals, the left side of the current detection circuit is provided with an output current signal, a 2.5MA sine alternating current signal flows in through IA1, the sine alternating current signal flows out through IA2, the sine alternating current signal passes through an INPUT board operational amplifier, and the output signal is connected to the MCU controller.

The above embodiments are implemented on the premise of the technical solution of the present invention, and detailed implementation and specific operation processes are given, but the protection scope of the present invention is not limited to the above embodiments. The methods used in the above examples are conventional methods unless otherwise specified.

Claims

1. The utility model provides a DC/DC module intellectual detection system device based on big data pickup, includes controller, detection device and RS485 module, its characterized in that still includes energy storage and emergency power module and wireless communication module, and detection device connection director detects DC/DC module's voltage, electric current and operational environment humiture, and energy storage and emergency power module output connection director provides the power for the controller, and the communication pin of controller is connected RS485 module and is communicated with DC/DC module, the wireless communication module is connected to the communication pin of controller, carries out wireless communication with external equipment.

2. The intelligent detection device for the DC/DC module based on big data pickup according to claim 1, characterized in that the energy storage and emergency power supply module comprises an energy storage circuit, a lithium ion polymer battery and a PWM inverter circuit, 48V direct current enters the input end of the energy storage circuit, the output end of the energy storage circuit is connected with the lithium ion polymer battery to charge the lithium ion polymer battery, the output end of the lithium ion polymer battery is connected with the PWM inverter circuit to output two paths of alternating current, one path of alternating current is changed into 3.3V through a step-down transformer to be connected with an MCU chip, and one path of alternating current is changed into 220V through a step-up transformer to be used as an external emergency maintenance tool power supply.

3. The intelligent DC/DC module detection device based on big data pick-up according to claim 1, wherein the wireless communication module comprises a wifi module, a GSM short message alarm module, a LORA module and a 5G communication module.

4. The big data pick-up based intelligent detection device for the DC/DC module as claimed in claim 1, wherein the detection device comprises a temperature and humidity detection module, a voltage detection circuit and a current detection circuit.

5. The intelligent detection device for the DC/DC module based on big data pick-up as claimed in claim 1, wherein the controller selects the MCU control chip.