High voltage wireless temperature measurement system

background

With the rapid development of the power system, the safe operation of high-voltage electrical equipment has become particularly important. Traditional temperature monitoring methods often have problems such as complex installation, high maintenance costs, and difficulty in achieving remote monitoring. Introducing high-voltage wireless temperature measurement systems has become an effective approach to improve the safety, reliability, and management efficiency of the power system.

System Introduction

High voltage wireless temperature measurement systemIt is a solution mainly aimed at the internal temperature of high-voltage electrical equipment. It transmits temperature data to the monitoring center or mobile devices through wireless communication technology, thereby achieving real-time monitoring of the operating status of power equipment, timely discovering problems that may be caused by overheating, and ensuring the safe operation of high-voltage electrical equipment

System Composition

High voltage wireless temperature measurement systemComposed of wireless temperature measurement receiver and wireless temperature measurement sensor, the specific scene scheme diagram is as follows

Scenario 1: There are few high-voltage cabinets and monitoring points, which are scattered and do not require monitoring of high-voltage circuit current and voltage.

Scenario 2: There are many high-voltage cabinets and monitoring points, which are concentrated and do not require monitoring of high-voltage circuit current and voltage.

The parameters of the wireless temperature sensor are as follows

1. Environmental conditions

Environmental temperature: -25 ℃~85 ℃
Storage temperature: -20 ℃~+70 ℃
Relative humidity: ≤ 95%
Atmospheric pressure: 70kPa~106kPa

2. Working power supply

Power supply voltage: Electromagnetic induction power supply, starting current 5A

Power consumption: standby current less than 200uA, working current less than 10mA

3. Product service life

Lifetime maintenance free

4. Scope of application

Voltage: less than or equal to 35kV

Current: AC5-10000A

5. Temperature measurement

Measurement range: -25-125 ℃
Measurement accuracy: ± 2 ℃

6. Communication interface

Wireless 433MHz
Working method: Proactively upload

Transmission power: 14dBm

Receiver sensitivity: -105dBm

Communication distance: not less than 100 meters in open areas and 50 meters in the distribution room environment

7. Product size

26 * 25 * 13.5 (mm) (length * width * height)

8. Installation method

PoMo alloy strip bundling installation

Silicone sleeve anti slip

9. Shell protection level

IP2X

10. Sensor characteristics

Type: NTC probe

Status monitoring: Real time monitoring of sensor fault status

Temperature sensing method: Sensing through alloy base