CN203148581U - Digital remote transformer oil temperature measuring equipment - Google Patents

Abstract

The utility model discloses digital remote transformer oil temperature measuring equipment. The equipment comprises a temperature measuring probe, a temperature measuring device controller and an information transmission and telecontrol device; the temperature measuring probe is installed in a transformer oil tank, temperature measurement is performed through a temperature measuring chip inside the temperature measuring probe; the temperature measuring device controller comprises a processor, a temperature display device and a fault indicator light, and accomplishes a function of acquisition and processing of transformer oil temperature data; and the information transmission and telecontrol device comprises a wireless transmission module, and realizes remote transmission and remote control of the transformer oil temperature data. The digital remote transformer oil temperature measuring equipment replaces a conventional oil temperature meter by analog quantity temperature measurement, the working principle is that the transformer oil temperature is measured by use of digital temperature measurement technology, and is displayed, and once the oil temperature exceeds a limit, remote alarm is given immediately, and telecontrol can also be realized. The digital remote transformer oil temperature measuring equipment has high accuracy in measured temperature value, and a transmitter is eliminated, thereby saving a large amount of cost spending; and automatic remote alarm can be given when the oil temperature exceeds the limit, and remote control can also be realized.

Description

A Digital Remote Transformer Oil Temperature Measuring Device

technical field

The utility model relates to a digital remote transformer oil temperature measuring device. the

Background technique

At present, large-scale transformer oil temperature measuring devices include temperature measuring probes, oil temperature gauges and transmitters. The working principle is to obtain the temperature through the analog quantity acquisition of the transmitter. The temperature measuring probe is generally in the form of a thermistor, that is, the platinum thermal resistance (Pt100) three-wire measurement method is used for measurement, and the DC sampling is sent to the monitoring background through the transmitter. In the display device, the measurement of the winding temperature is obtained indirectly. On the basis of the oil temperature value, according to the secondary output current of the bushing ct, a copper oil temperature difference is converted, and the winding temperature is obtained by proportionally adding the oil temperature value. Relatively speaking, the oil temperature is a more accurate value, and the winding temperature is less accurate. the

Utility model content

The utility model aims to solve the problems of inaccurate transformer oil temperature data, easy failure of the temperature measuring device and high maintenance cost, and provides a digital remote transformer oil temperature measuring device, which has the advantages of high measurement accuracy, reduced device cost, and remote advantages of control. the

In order to achieve the above object, the utility model adopts the following technical solutions. the

A digital remote transformer oil temperature measuring device, including a temperature measuring probe, a temperature measuring device controller, and information transmission and telecontrol equipment;

The temperature measuring probe is put into the transformer oil tank, and the temperature is measured through the temperature measuring chip in the temperature measuring probe;

The controller of the temperature measuring device includes a processor, a temperature display device and a fault indicator light, and completes the collection and processing function of transformer oil temperature data;

Information transmission and remote control equipment, including wireless transmission modules, to realize remote transmission and remote control of transformer oil temperature data;

The processor is respectively connected with the temperature measuring chip, the temperature display device, the fault indicator light and the wireless transmission module. the

The model of the temperature measuring chip is DS18B20. the

The model of the processor is LPC2132. the

The temperature display device is a liquid crystal display device, the model is LCD1602. the

The fault indicator light is an LED light emitting diode. the

The wireless transmission module adopts a GSM module. the

The principle of the utility model is: instead of the traditional analog temperature measuring oil temperature gauge, the working principle of the digital temperature measuring technology is to measure the oil temperature of the transformer and display it. Realize remote control. the

The beneficial effect of the utility model is that: the accuracy of the measured temperature value is higher, and the eliminated transmitter saves a lot of cost; the oil temperature exceeds the boundary and can be automatically and remotely alarmed, and remote control can be realized. the

Description of drawings

Fig. 1 is a structural principle diagram of the utility model. the

Among them, 1. Temperature measuring probe; 2. Temperature measuring chip; 3. Processor; 4. Temperature display device; 5. Fault indicator light; 6. Wireless transmission module. the

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described. the

A digital remote transformer oil temperature measuring device, including a temperature measuring probe 1, a temperature measuring device controller, information transmission and telecontrol equipment;

The temperature measuring probe 1 is put into the transformer oil tank, and the temperature is measured by the temperature measuring chip 2 in the temperature measuring probe 1;

The temperature measurement device controller includes a processor 3, a temperature display device 4 and a fault indicator light 5, and completes the collection and processing function of transformer oil temperature data;

Information transmission and telecontrol equipment, including wireless transmission module 6, to realize remote transmission and remote control of transformer oil temperature data;

The processor 3 is respectively connected with the temperature measuring chip 2 , the temperature display device 4 , the fault indicator light 5 and the wireless transmission module 6 . the

The model of the temperature measuring chip 2 is DS18B20. the

The model of the processor 3 is LPC2132. the

The temperature display device 4 is a liquid crystal display device, the model is LCD1602. the

The fault indicator light 5 is an LED light emitting diode. the

The wireless transmission module 6 adopts a GSM module. the

Although the specific implementation of the utility model has been described above in conjunction with the accompanying drawings, it does not limit the protection scope of the utility model. Those skilled in the art should understand that on the basis of the technical solution of the utility model, those skilled in the art do not need to Various modifications or deformations that can be made with creative efforts are still within the protection scope of the present utility model. the

Claims (6)

1. A digital remote transformer oil temperature measuring device, characterized in that it includes a temperature measuring probe, a temperature measuring device controller, information transmission and telecontrol equipment; The temperature measuring probe is put into the transformer oil tank, and the temperature is measured through the temperature measuring chip in the temperature measuring probe; The controller of the temperature measuring device includes a processor, a temperature display device and a fault indicator light, and completes the collection and processing function of transformer oil temperature data; Information transmission and remote control equipment, including wireless transmission modules, to realize remote transmission and remote control of transformer oil temperature data; The processor is respectively connected with the temperature measuring chip, the temperature display device, the fault indicator light and the wireless transmission module. the 2. The digital remote transformer oil temperature measuring device according to claim 1, wherein the model of the temperature measuring chip is DS18B20. the 3. The digital remote transformer oil temperature measuring device according to claim 1, characterized in that, the model of the processor is LPC2132. the 4. The digital remote transformer oil temperature measuring device according to claim 1, characterized in that, the temperature display device is a liquid crystal display device, the model of which is LCD1602. the 5. The digital remote transformer oil temperature measuring device according to claim 1, characterized in that, the fault indicator light is an LED light emitting diode. the 6. The digital remote transformer oil temperature measuring device according to claim 1, wherein the wireless transmission module adopts a GSM module. the

Images