CN205451456U - Real -time temperature measured module of transformer substation based on wifi wireless communication - Google Patents

Abstract

The utility model discloses a real-time temperature measurement module of a substation based on wifi wireless communication, which comprises a main control board and a wifi module. device (106), USB power supply port (104), TTL pin port (107), temperature measurement module (101) and wifi module slot (108), and the input terminal of the single-chip microcomputer is connected with the TTL pin port (107) and temperature The measurement module (101) is connected, the output terminal of the single-chip microcomputer is connected with the nixie tube display (102) and the buzzer (106), and the wifi module is connected with the single-chip microcomputer through the wifi module slot (108). This device measures the temperature of the measurement point, and uploads the temperature to the Internet of Things platform in real time through the wifi signal, and the operation and maintenance personnel can directly view it on the computer webpage or mobile client.

Description

Substation real-time temperature measurement module based on wifi wireless communication

technical field

The utility model relates to temperature measurement in the electric power sector, specifically a device for real-time temperature measurement of substation mechanism boxes, terminal boxes, protection screen cabinets, small rooms, etc., and can upload temperature measurement data in real time through 2.4G frequency band wifi wireless signals.

Background technique

The 500kV substation equipment in the power grid is all outdoor equipment, and the normal operation of the equipment is directly affected by the environment. The outdoor low temperature environment directly affects the wiring life in the mechanism box and terminal box. The heater in the mechanism box and terminal box is the only way to ensure its temperature. Therefore, checking whether the heater is working normally has become a key point in the operation and maintenance of power substations. Under the background of vigorous promotion of on-duty, the original inspection method of "out of the box and feeling with hands" has caused a huge workload for operation and maintenance personnel.

Contents of the invention

The utility model provides a "substation real-time temperature measurement module based on wifi wireless communication", which can directly measure the temperature of the mechanism box, terminal box, protection screen cabinet, and small room, and upload the temperature data in real time through the wifi wireless signal of the 2.4G frequency band , can solve the problem of low efficiency caused by traditional manual temperature measurement.

The utility model is realized by adopting the following technical solutions:

A substation real-time temperature measurement module based on wifi wireless communication, including a main control board and a wifi module. The main control board is packaged with a single-chip microcomputer, a digital tube display, a buzzer, a USB power supply port, and a TTL needle in the form of an integrated circuit board. Type port, temperature measurement module and wifi module slot, the input end of the single-chip microcomputer is connected with the TTL pin type port and the temperature measurement module, the output end of the single-chip microcomputer is connected with the nixie tube display and the buzzer, and the wifi module is connected through the wifi module slot It is connected with the single-chip microcomputer, and the wifi module is connected with the 2.4G antenna; the USB power supply port is used for power supply.

In addition, the main control board is packaged with a plurality of expansion slots in the form of an integrated circuit board, and has a reset button and a signal indicator light for when the device crashes.

In actual use, the above device is located in the substation, and the temperature data is uploaded in real time through the wifi wireless signal in the 2.4G frequency band to achieve the purpose of synchronous monitoring and greatly reduce the labor intensity of the operation and maintenance personnel.

Preferably, the above-mentioned device can also be powered by a 220V power supply, and also includes a 220V power adapter board, the 220V power adapter board is equipped with a 220V to 5V DC transformer, a 220V power line interface and a 5V output port in the form of an integrated circuit board; Correspondingly, a 5V power supply port and a transfer switch are installed on the main control board in the form of an integrated circuit board; the transfer switch is used for switching between a 5V power supply mode and a 220V power supply mode; The 5V power supply port on the main control board is connected through a power cable.

The utility model has a reasonable design, measures the temperature of the measurement point, and uploads the temperature to the Internet of Things platform in real time through the 2.4G wifi signal, and the operation and maintenance personnel can directly check it on the computer web page or the mobile phone client, without having to update each The cabinet is opened, and the temperature is tested by hand, which can greatly reduce the working time, significantly improve the work efficiency, the test effect is good, and the specific market application and promotion value is very good.

Description of drawings

Figure 1 shows a schematic structural diagram of the main control board and the wifi module.

Figure 2 shows a schematic diagram of the structure of the 220V power adapter board.

Fig. 3 shows a schematic diagram of the circuit connection of the single chip microcomputer, the temperature measurement module, the wifi module and the expansion slot in the main control board.

Figure 4 shows a schematic diagram of the circuit connection displayed by the digital tube.

Figure 5 shows a schematic diagram of the circuit connection of the buzzer.

Fig. 6 shows a schematic diagram of the circuit connection of the signal indicator light on the main control board.

In the figure, 100-main control board, 101-temperature measurement module, 102-digital tube display, 103-reset button, 104-USB power supply port, 105-transfer switch, 106-buzzer, 107-TTL pin port, 108-wifi module slot, 109-5V power supply port, 110-expansion slot, 111-pillar; 200-wifi module; 300-220V power adapter board, 301-220V power line interface, 302-5V output port, 303- 220V to 5V DC transformer.

detailed description

The specific embodiment of the utility model is described in detail below in conjunction with accompanying drawing

A substation real-time temperature measurement module based on wifi wireless communication, as shown in Figure 1, includes a main control board 100 and a wifi module 200, the main control board 100 is packaged with a single-chip microcomputer, a digital tube display 102, Buzzer 106, USB power supply port 104, TTL needle port 107, temperature measurement module 101 and wifi module slot 108, described single-chip microcomputer input end is connected with TTL needle type port 107 and temperature measurement module 101, single-chip microcomputer output end is connected with digital The tube display 102 is connected to the buzzer 106, the wifi module 200 is connected to the single-chip microcomputer through the wifi module slot 108, and the wifi module 200 is connected to a 2.4G antenna; the USB power supply port 104 is used for power supply. The main control board 100 is packaged with a plurality of expansion slots 110 in the form of an integrated circuit board. A 5V power supply port 109 and a transfer switch 105 are installed on the main control board 100 in the form of an integrated circuit board; the transfer switch 105 is used for switching between a 5V power supply mode and a 220V power supply mode. A reset button 103 is installed on the main control board 100 in the form of an integrated circuit board for when the device is down. The four corners on the main control board 100 are installed with pillars 111 . A signal indicator light is installed on the main control board 100 in the form of an integrated circuit board.

As shown in FIG. 2 , a 220V to 5V DC transformer 303 , a 220V power line interface 301 and a 5V output port 302 are mounted on the 220V power adapter board 300 in the form of an integrated circuit board.

When in use, the 5V output port 302 on the 220V power adapter board 300 is connected to the 5V power supply port 109 on the main control board 100 through a power cord, and the 220V power supply supplies power to the device through the 220V power cord interface 301 on the 220V power adapter board 300 .

During the specific implementation, the design of this device is divided into three parts: the main control board, the ESP8266 adapter board, and the 220V power adapter board.

The first part is the "main control board", and various components are packaged together in the form of an integrated circuit board. "Main control board CPU" adopts STC89C52RC single-chip microcomputer, which is used for data processing and modulus replacement; "digital tube display", used for real-time display of temperature and alarm when the device fails; "buzzer", used for equipment failure The USB power supply port adopts "miniUSB power supply port" for 5V power supply or equipment debugging; "TTL needle port" is used for downloading of CPU processing program; "transfer switch" is used for 5V power supply mode Conversion with 220V power supply mode; "220V power supply port" is used for the power supply connection port of transformer 220V to 5V power supply; "Temperature measurement module" adopts DS18B20 temperature module for temperature measurement; "Reset button" uses For reset when the device crashes, it can be reset without power off.

There are 6 pinhole expansion slots reserved on the main control board, 4 for the connection of sensors, and 2 for the installation of the ESP8266 adapter board.

The second part is "ESP8266 adapter board", the ESP8266wifi module, pins, and antenna interface are packaged together in the form of an integrated circuit board. The ESP8266 adapter board is used for receiving and transmitting 2.4G wifi signals. It can be inserted into the main control board through the ESP8266 slot, and can be connected to the 2.4G antenna.

The third part is "220V power adapter board", which is equipped with 220V to 5V DC transformer and 220V power line interface. This board is mainly used for power supply from 220V to 5V power supply.

Figures 3, 4, 5 and 6 show the circuit connections of the three parts. When in use, the three parts need to be assembled together.

The workflow is as follows:

1. Write the wifi wireless name and password where the device is located into the program, and download it into the data processing microcontroller;

2. Write the sensor number and APIkey of the IoT platform connected to the device into the program, and download it into the data processing microcontroller;

3. Select the power supply mode: you can use 5V power supply directly, and you need to plug it into the miniUSB port; you can also use 220V power supply, you need to connect the lead wire to the "220V power adapter board" interface; at the same time, you can choose to connect the antenna according to the needs of the site;

4. Toggle the switch and press the reset button. When the real-time temperature appears on the device, it means that the connection to the Internet of Things is successful; if "Err1" is displayed, it means that the device connection failed, and you need to check the wireless router signal and network signal;

5. Open the computer webpage, log in to the Internet of Things website, or log in to the mobile phone client, and you can directly see the real-time measurement temperature curve and real-time temperature of the temperature measurement module.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model without limitation. Although detailed descriptions have been made with reference to the embodiments of the utility model, those of ordinary skill in the art should understand that the technical solutions of the utility model Modifications or equivalent replacements do not deviate from the spirit and scope of the technical solutions of the present utility model, and all of them should be covered by the protection scope of the claims of the present utility model.

Claims (10)

1. null1. transformer stations based on a wifi wireless telecommunications real time temperature measurement module，It is characterized in that: include master control borad (100) and wifi module (200)，Described master control borad is packaged with single-chip microcomputer by surface-mounted integrated circuit form on (100)、Numeral method (102)、Buzzer (106)、USB power supply port (104)、TTL pin type port (107)、Temperature-measuring module (101) and wifi module slot (108)，Described single-chip microcomputer input is connected with TTL pin type port (107) and temperature-measuring module (101)，Single-chip microcomputer outfan is connected with numeral method (102) and buzzer (106)，Described wifi module (200) is connected with single-chip microcomputer by wifi module slot (108)，Described wifi module (200) connects 2.4G antenna；Described USB power supply port (104) is powered for power supply.
2. Transformer stations based on wifi wireless telecommunications the most according to claim 1 real time temperature measurement module, it is characterised in that: it is packaged with multiple expansion slot (110) by surface-mounted integrated circuit form on described master control borad (100).
3. Transformer stations based on wifi wireless telecommunications the most according to claim 1 and 2 real time temperature measurement module, it is characterised in that: described single-chip microcomputer uses STC89C52RC single-chip microcomputer.
4. Transformer stations based on wifi wireless telecommunications the most according to claim 3 real time temperature measurement module, it is characterised in that: described temperature-measuring module (101) uses DS18B20 thermal module.
5. Transformer stations based on wifi wireless telecommunications the most according to claim 4 real time temperature measurement module, it is characterized in that: described wifi module (200) uses ESP8266 keyset, and the wifi module of described ESP8266 keyset, stitch, antennal interface are packaged together by the form of surface-mounted integrated circuit.
6. Transformer stations based on wifi wireless telecommunications the most according to claim 5 real time temperature measurement module, it is characterised in that: described USB power supply port (104) uses miniUSB, powers for 5V power supply.
7. Transformer stations based on wifi wireless telecommunications the most according to claim 6 real time temperature measurement module, it is characterized in that: also include 220V Power conversion board (300), described 220V Power conversion board (300) is provided with 220V by surface-mounted integrated circuit form and turns 5V commutator transformer (303), 220V electric source line interface (301) and 5V output port (302)；

   By surface-mounted integrated circuit form, 5V supply port (109) and permutator (105) are installed on described master control borad (100)；Described permutator (105) is for the conversion of 5V power supply mode with 220V power supply mode；

   5V output port (302) on 220V Power conversion board (300) is connected by power line with the 5V supply port (109) on master control borad (100).
8. Transformer stations based on wifi wireless telecommunications the most according to claim 7 real time temperature measurement module, it is characterised in that: the corner mounting column (111) on described master control borad (100).
9. Transformer stations based on wifi wireless telecommunications the most according to claim 8 real time temperature measurement module, it is characterised in that: by surface-mounted integrated circuit form, the SR (103) when device crashes is installed on described master control borad (100).
10. Transformer stations based on wifi wireless telecommunications the most according to claim 9 real time temperature measurement module, it is characterised in that: described master control borad is provided with signal lamp by surface-mounted integrated circuit form on (100).