CN201819741U

CN201819741U - High voltage switchgear wireless temperature measuring device

Info

Publication number: CN201819741U
Application number: CN2010202990126U
Authority: CN
Inventors: 陈晓东; 孟庆东; 高山嵩; 杨明新; 曹忠臣
Original assignee: SHANDONG ZHONGRUI ELECTRIC CO Ltd
Current assignee: SHANDONG ZHONGRUI ELECTRIC CO Ltd
Priority date: 2010-08-20
Filing date: 2010-08-20
Publication date: 2011-05-04
Anticipated expiration: 2020-08-20

Abstract

The utility model provides a wireless temperature measuring device of a high-voltage switch cabinet, which comprises a temperature measuring host adopting wireless data transmission and a plurality of temperature measuring terminals sharing the same circuit structure. The wireless temperature measuring device is characterized in that the temperature measuring host comprises a wireless transmitting and receiving module JP2, a single-chip microcomputer U3, a 485 output U1, a liquid crystal display J1 and an antenna TX1, wherein the wireless transmitting and receiving module JP2 is connected with the single-chip microcomputer U3, an output end of the single-chip microcomputer U3 is connected with the 485 output U1; each temperature measuring terminal comprises a wireless transmitting and receiving module JP3, a single-chip microcomputer U4, a temperature sensor T1 and an antenna TX2, wherein the wireless transmitting and receiving module JP3 is connected with the single-chip microcomputer U4, and an input end of the single-chip microcomputer U4 is connected with the temperature sensor T1. The wireless temperature measuring device adopts the wireless transmission technology, monitors field temperature points at real time and realizes remote monitoring of data, is capable of realizing remote alarm automatically to eliminate potential accidents in time once detecting abnormal temperature of the switch cabinet.

Description

The high-tension switch cabinet wireless temperature measuring device

Technical field

The utility model provides a kind of high-tension switch cabinet wireless temperature measuring device, belongs to microcomputer automatic monitoring control technology field.

Background technology

Temperature always is a very important parameter, in many places such as industry, medical treatment, military affairs and lives, all needs to use temperature measuring equipment and comes monitor temperature.The automatic monitoring of temperature has become all trades and professions and has kept the safety in production and reduce the loss one of important measures of taking.The specific occasion down since the monitoring point relatively disperse, remote, adopt traditional temperature survey mode cycle long, cost is high, and the surveyor must arrive the scene and measure, so work efficiency is very low.Problems such as surface oxidation burn into fastening bolt often appears in the electric system high-tension apparatus in the long-time running process loosening, and contact and bus row junction are aging cause apparatus overheat even major accident occurs.And exposed high pressure is arranged in the switch cubicle, and the space sealing is narrow and small, the thermometric of can't manually patrolling, and traditional thermometric mode all can't address this problem effectively.

The utility model content

The purpose of this utility model provides a kind of high-tension switch cabinet wireless temperature measuring device that can overcome above-mentioned defective, real-time each measurement point temperature of collection site.Its technical scheme is:

The thermometric main frame thermometric terminal identical that comprises wireless data transmission with a plurality of line constructions, it is characterized in that: the thermometric main frame comprises radio receiving transmitting module JP2, single-chip microcomputer U3,485 output U1, liquid crystal display J1 and antenna TX1, wherein radio receiving transmitting module JP2 meets single-chip microcomputer U3, the output termination 485 output U1 of single-chip microcomputer U3; Each thermometric terminal includes radio receiving transmitting module JP3, single-chip microcomputer U4, temperature sensor T1 and antenna TX2, and wherein radio receiving transmitting module JP3 meets single-chip microcomputer U4, the input end jointing temp sensor T1 of single-chip microcomputer U4.

Described high-tension switch cabinet wireless temperature measuring device, in each thermometric terminal, the A of temperature sensor T1, B two ends correspondence connect 3 pin, 4 pin of single-chip microcomputer U4, the P1.0 of single-chip microcomputer U4～P1.2 pin correspondence connects SI pin, SCLK pin, the SO pin of radio receiving transmitting module JP3, and 6 pin of radio receiving transmitting module JP3,7 pin connect A, the B end of antenna TX2.

Described high-tension switch cabinet wireless temperature measuring device, in the thermometric main frame, corresponding 6 pin, 7 pin that meet radio receiving transmitting module JP2 of the A of antenna TX2, B end, the SI pin of radio receiving transmitting module JP2, SCLK pin, SO pin correspondence connect P1.0～P1.2 pin of single-chip microcomputer U3, the TXA pin of single-chip microcomputer U3, TXB pin connect 1 pin, 4 pin of 485 output U1, and the AD0 of single-chip microcomputer U3～AD7 pin connects 1～8 pin of liquid crystal display J1.

Its principle of work is: the radio receiving transmitting module of a plurality of thermometric terminal inners receives the radio signal that whole temperature measurement circuits are sent, and radio signal is given the radio receiving transmitting module of thermometric main frame by antenna transmission, the single-chip microcomputer of thermometric main frame reads the signal that radio receiving transmitting module receives, carry out showing by liquid crystal display after the data processing, and output to the far-end pulpit in 485 modes.

The utility model compared with prior art, its advantage is: use Radio Transmission Technology, need not to be in the action, can monitor the remote monitoring of scene temperature point and realization data in real time, so that in time eliminate accident potential, excellent working performance.

Description of drawings

Fig. 1 is a principle of work block diagram of the present utility model;

Fig. 2 is a circuit diagram embodiment illustrated in fig. 1.

Embodiment

In the embodiment shown in Fig. 1-2: the thermometric main frame thermometric terminal identical that comprises wireless data transmission with a plurality of line constructions, in each thermometric terminal, the A of temperature sensor T1, B two ends correspondence connect 3 pin, 4 pin of single-chip microcomputer U4, the P1.0 of single-chip microcomputer U4～P1.2 pin correspondence connects SI pin, SCLK pin, the SO pin of radio receiving transmitting module JP3,6 pin of radio receiving transmitting module JP3,7 pin connect A, the B end of antenna TX2, and the temperature signal that detects is radioed to the thermometric main frame.In the thermometric main frame, corresponding 6 pin, 7 pin that meet radio receiving transmitting module JP2 of the A of antenna TX2, B end, the SI pin of radio receiving transmitting module JP2, SCLK pin, SO pin correspondence connect P1.0～P1.2 pin of single-chip microcomputer U3, the TXA pin of single-chip microcomputer U3, TXB pin connect 1 pin, 4 pin of 485 output U1, and the AD0 of single-chip microcomputer U3～AD7 pin connects 1～8 pin of liquid crystal display J1.

Claims

1. A wireless temperature measuring device for a high-voltage switchgear, comprising a temperature measuring host for wireless data transmission and a plurality of temperature measuring terminals with the same line structure, characterized in that: the temperature measuring host includes a wireless transceiver module JP2, a single-chip microcomputer U3, and 485 output U1 , liquid crystal display J1 and antenna TX1, wherein the wireless transceiver module JP2 is connected to the single-chip microcomputer U3, and the output terminal of the single-chip microcomputer U3 is connected to the 485 output U1; each temperature measurement terminal includes a wireless transceiver module JP3, a single-chip microcomputer U4, a temperature sensor T1 and an antenna TX2, wherein The wireless transceiver module JP3 is connected to the single-chip microcomputer U4, and the input terminal of the single-chip microcomputer U4 is connected to the temperature sensor T1.

2. The wireless temperature measuring device for high-voltage switchgear as claimed in claim 1, characterized in that: in each temperature measuring terminal, the two ends of A and B of the temperature sensor T1 correspond to pins 3 and 4 of the single-chip microcomputer U4, and the single-chip microcomputer U4 The P1.0~P1.2 pins of the wireless transceiver module JP3 correspond to the SI pins, SCLK pins, and SO pins, and the 6 pins and 7 pins of the wireless transceiver module JP3 are connected to the A and B terminals of the antenna TX2.

3. The wireless temperature measuring device for high-voltage switchgear as claimed in claim 1, characterized in that: in the temperature measuring host, the A and B ends of the antenna TX2 correspond to pins 6 and 7 of the wireless transceiver module JP2, and the wireless transceiver module JP2 The SI pin, SCLK pin, and SO pin of the single-chip microcomputer U3 are connected to the P1.0~P1.2 pins of the single-chip microcomputer U3, the TXA pins and TXB pins of the single-chip microcomputer U3 are connected to the 1 pins and 4 pins of the 485 output U1, and the AD0-AD7 pins of the single-chip microcomputer U3 are connected to The liquid crystal displays pins 1 to 8 of J1.