阅读说明：本技术 一种配电柜无线温度采集终端及温度监测系统 (Wireless temperature acquisition terminal and temperature monitoring system of power distribution cabinet ) 是由 刘利风 张盼辉 于 2019-11-29 设计创作，主要内容包括：本发明公开了一种配电柜无线温度采集终端及温度监测系统,终端包括互感器、无线测温电路板、温度探头、壳体；其中,无线测温电路板包括整流稳压电路、温度变换电路、MCU控制器、无线通信电路；互感器包括分体式磁环和感应线圈,感应线圈绕在一半的磁环上,连同无线测温电路板一起封装在主壳体内,磁环的另一半通过卡扣固定在主壳体外；温度探头固定在主壳体的下方,其引出线与主壳体内部的无线测温电路板的相应端口连接。系统包括温度监测平台、无线汇聚终端以及与无线汇聚终端连接的多个无线温度采集终端；该方案采用无源设计,无需铺设电源线路,安装和维护都很方便。点对点测量,精准定位异常监测点。(The invention discloses a wireless temperature acquisition terminal and a temperature monitoring system of a power distribution cabinet, wherein the terminal comprises a mutual inductor, a wireless temperature measurement circuit board, a temperature probe and a shell; the wireless temperature measurement circuit board comprises a rectification voltage stabilizing circuit, a temperature conversion circuit, an MCU controller and a wireless communication circuit; the mutual inductor comprises a split type magnetic ring and an induction coil, wherein the induction coil is wound on one half of the magnetic ring and is packaged in the main shell together with the wireless temperature measurement circuit board, and the other half of the magnetic ring is fixed outside the main shell through a buckle; the temperature probe is fixed below the main shell, and an outgoing line of the temperature probe is connected with a corresponding port of the wireless temperature measurement circuit board in the main shell. The system comprises a temperature monitoring platform, a wireless convergence terminal and a plurality of wireless temperature acquisition terminals connected with the wireless convergence terminal; the scheme adopts a passive design, does not need to lay a power supply circuit, and is very convenient to install and maintain. And measuring the point to the point, and accurately positioning an abnormal monitoring point.)

1. The utility model provides a temperature acquisition terminal that switch board is wireless which characterized in that: the temperature measuring device comprises a mutual inductor, a wireless temperature measuring circuit board, a temperature probe and a shell; the wireless temperature measurement circuit board comprises a rectification voltage stabilizing circuit, a temperature conversion circuit, an MCU controller and a wireless communication circuit; the mutual inductor comprises a split type magnetic ring and an induction coil, wherein the induction coil is wound on one half of the magnetic ring and is packaged in the main shell together with the wireless temperature measurement circuit board, and the other half of the magnetic ring is fixed outside the main shell through a buckle; the temperature probe is fixed below the main shell, and an outgoing line of the temperature probe is connected with a corresponding port of the wireless temperature measurement circuit board in the main shell.

2. The wireless temperature acquisition terminal of power distribution cabinet according to claim 1, characterized in that: the temperature probe is a platinum thermistor temperature probe.

3. The wireless temperature acquisition terminal of power distribution cabinet according to claim 2, characterized in that: the platinum thermistor temperature probe is packaged by metal.

4. The wireless temperature acquisition terminal of power distribution cabinet according to claim 1, characterized in that: the distance between the temperature probe and the main shell is not less than 5 cm.

5. The wireless temperature acquisition terminal of power distribution cabinet according to claim 1, characterized in that: the temperature probe is fixedly arranged at a bus heating point penetrating through the magnetic ring.

6. The temperature monitoring system of the wireless temperature acquisition terminal of the power distribution cabinet based on any one of claims 1 to 5 is characterized in that: the system comprises a temperature monitoring platform, a wireless convergence terminal and a plurality of wireless temperature acquisition terminals connected with the wireless convergence terminal; the wireless convergence terminal comprises a display module, an alarm module and a communication module, wherein the display module is used for displaying the real-time temperature monitored by the wireless temperature acquisition terminal, sending the real-time temperature to the temperature monitoring platform through the communication module, and sending alarm information through the alarm module when the real-time temperature exceeds a preset temperature threshold value.

7. The power distribution cabinet temperature monitoring system of claim 6, wherein: the display module is an LCD display screen or an LED display screen, the alarm module is an audible and visual alarm, and the communication module is a 4G module.

Technical Field

The invention belongs to the field of power distribution cabinet temperature monitoring devices, and particularly relates to a power distribution cabinet wireless temperature acquisition terminal and a temperature monitoring system.

Background

At present, the traditional temperature measurement mode is as follows: temperature sensing sticker, infrared temperature detector, temperature measuring cable, active wireless temperature sensor, sound meter temperature sensor and the like. The temperature sensing sticker and the infrared temperature monitor need manual participation and are not suitable for automatic temperature measurement. The active wireless temperature sensor has a large size due to the existence of the battery, and the battery needs to be replaced regularly, so that the installation and maintenance are very inconvenient. The acoustic surface temperature sensor is small in size and convenient to install, has requirements on installation space, and is suitable for being used under the condition that monitoring points are not very dense.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a switch board wireless temperature acquisition terminal and temperature monitoring system has solved the problem that the temperature measurement mode has a great deal of limitation among the prior art.

The invention adopts the following technical scheme for solving the technical problems:

a wireless temperature acquisition terminal of a power distribution cabinet comprises a mutual inductor, a wireless temperature measurement circuit board, a temperature probe and a shell; the wireless temperature measurement circuit board comprises a rectification voltage stabilizing circuit, a temperature conversion circuit, an MCU controller and a wireless communication circuit; the mutual inductor comprises a split type magnetic ring and an induction coil, wherein the induction coil is wound on one half of the magnetic ring and is packaged in the main shell together with the wireless temperature measurement circuit board, and the other half of the magnetic ring is fixed outside the main shell through a buckle; the temperature probe is fixed below the main shell, and an outgoing line of the temperature probe is connected with a corresponding port of the wireless temperature measurement circuit board in the main shell.

The temperature probe is a platinum thermistor temperature probe.

The platinum thermistor temperature probe is packaged by metal.

The distance between the temperature probe and the main shell is not less than 5 cm.

The temperature probe is fixedly arranged at a bus heating point penetrating through the magnetic ring.

A temperature monitoring system of a wireless temperature acquisition terminal of a power distribution cabinet comprises a temperature monitoring platform, a wireless convergence terminal and a plurality of wireless temperature acquisition terminals connected with the wireless convergence terminal; the wireless convergence terminal comprises a display module, an alarm module and a communication module, wherein the display module is used for displaying the real-time temperature monitored by the wireless temperature acquisition terminal, sending the real-time temperature to the temperature monitoring platform through the communication module, and sending alarm information through the alarm module when the real-time temperature exceeds a preset temperature threshold value.

The display module is an LCD display screen or an LED display screen, the alarm module is an audible and visual alarm, and the communication module is a 4G module.

Compared with the prior art, the invention has the following beneficial effects:

1. the passive design does not need to lay a power supply circuit, and the installation and the maintenance are very convenient.

2. And measuring the point to the point, and accurately positioning an abnormal monitoring point.

3. No electric contact and no secondary power utilization danger.

Drawings

Fig. 1 is a schematic structural diagram of a wireless temperature acquisition terminal according to the present invention.

FIG. 2 is a block diagram of a temperature monitoring system according to the present invention.

Wherein, the labels in the figure are: 1-a main housing; 2-a magnetic ring; 3-temperature probe.

Detailed Description

The structure and operation of the present invention will be further described with reference to the accompanying drawings.

A wireless temperature acquisition terminal of a power distribution cabinet comprises a mutual inductor, a wireless temperature measurement circuit board, a temperature probe and a shell; the wireless temperature measurement circuit board comprises a rectification voltage stabilizing circuit, a temperature conversion circuit, an MCU controller and a wireless communication circuit; the mutual inductor comprises a split type magnetic ring and an induction coil, wherein the induction coil is wound on one half of the magnetic ring and is packaged in the main shell together with the wireless temperature measurement circuit board, and the other half of the magnetic ring is fixed outside the main shell through a buckle; the temperature probe is fixed below the main shell, and an outgoing line of the temperature probe is connected with a corresponding port of the wireless temperature measurement circuit board in the main shell.