CN212692940U

CN212692940U - Machine room temperature and humidity online monitoring system

Info

Publication number: CN212692940U
Application number: CN202021738392.9U
Authority: CN
Inventors: 龚平
Original assignee: Jiangxi Datang International Fuzhou Power Generation Co Ltd
Current assignee: Jiangxi Datang International Fuzhou Power Generation Co Ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-12
Anticipated expiration: 2030-08-19

Abstract

The utility model relates to a computer lab humiture on-line monitoring system, including data acquisition module, data transmission module, monitor terminal and power supply, the temperature of computer lab is received to the data acquisition module, the humidity condition converts the humiture physical quantity into 4~20 mA's current flow simultaneously, it includes temperature and humidity transmitter, the direct current 24V power, temperature and humidity transmitter includes humidity transducer, temperature sensor, the amplifier, 14 AD converters, calibration memory, random access memory, status register, cyclic redundancy check code register, two line serial interface. The system can monitor the temperature and the humidity of the machine room on line in real time in a manned duty room far away from the machine room, the temperature and the humidity of the machine room can be mastered in time, abnormal operation conditions of equipment caused by the fact that monitoring is not in place are reduced for personnel, data transmission of the temperature and the humidity of the machine room is timely, transmission is stable, the problem of high-amplitude data jumping does not exist, the monitored data are real-time data of the machine room, and monitoring accuracy is high.

Description

Machine room temperature and humidity online monitoring system

Technical Field

The utility model belongs to the technical field of the humiture monitoring and specifically relates to a computer lab humiture on-line monitoring system.

Background

At present, the machine room is an unattended machine room, and devices in the machine room are all electronic devices, so that the normal operation of the devices in the machine room is influenced by overhigh temperature, and even the devices are halted; the wall surface and the equipment surface are condensed due to too low humidity, and even the corrosion problem of the connecting points is caused; when the temperature and humidity monitoring of the machine room is mainly completed by personnel inspection, real-time monitoring cannot be realized, and a blind area exists in the temperature and humidity monitoring of the machine room. Some computer rooms can install temperature and humidity sensors to monitor the temperature and humidity in the computer rooms, the problems that data monitored by the temperature and humidity sensors are not timely transmitted and the transmitted data are unstable exist in the process of transmitting the data to the background, and mainly because no special data transmission system or data acquisition system exists between the temperature and humidity sensors and the background system, the computer room temperature and humidity online monitoring system is provided for the technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a computer lab humiture on-line monitoring system in order to solve the defect that prior art exists.

In order to realize the purpose, the utility model discloses a technical scheme as follows:

the utility model provides a computer lab humiture on-line monitoring system, includes data acquisition module, data transmission module, monitor terminal and power supply, the temperature of data acquisition module receiving computer lab, the humidity condition convert humiture physical quantity into 4-20 mA's electric current volume simultaneously, and it includes temperature and humidity transmitter, direct current 24V power, temperature and humidity transmitter mainly has two line digital output, and the humidity measurement range is 0 ~ 100% RH, and the temperature range is-20 +80 ℃, and the humidity measurement precision is 3.0% RH, and the temperature measurement precision is 0.4 ℃, and response time is less than 4ms, low-power consumption (30 LW). The temperature and humidity sensor can measure temperature and humidity simultaneously, can directly output 4-20mA current amount without external elements, and comprises a relative humidity sensor, a temperature sensor, an amplifier, a 14-bit A/D converter, a calibration memory, a random access memory, a state register, a cyclic redundancy check code register, a two-wire serial interface, a control unit, a heater and a low-voltage detection circuit, wherein the humidity sensor and the temperature sensor are arranged on the wall of a machine room.

Further, the data transmission module is connected with the data acquisition module and comprises a direct current acquisition module of the measurement and control device and a measurement and control device switch; the monitoring device comprises a data acquisition module, a monitoring terminal, a data acquisition module and a monitoring terminal, wherein the monitoring device is used for providing eight direct current input interfaces, realizing the acquisition function of 4-20mA current through a jumper, receiving the 4-20mA current from the data acquisition module, converting the received mA current into a digital signal and transmitting the digital signal to the monitoring terminal display background; the switch of the measurement and control device transmits the current milliampere quantity received by the direct current acquisition module of the measurement and control device in multiple directions, and finally transmits the digital signal to the monitoring terminal through the optical fiber cable.

Furthermore, the monitoring terminal is connected with the data transmission module and comprises a measurement and control device host, a keyboard, a display and a mouse, after the measurement and control device host receives the digital signals transmitted by the data transmission module, points which are connected with two corresponding input interfaces on the measurement and control device direct current acquisition module are found on the measurement and control device host, picture modification is carried out on a host picture, and finally temperature and humidity data of the machine room are displayed on the display.

Further, the power supply comprises a 220V alternating current power supply, a 24V direct current power supply and a 110V direct current power supply, wherein the 220V alternating current power supply supplies power to the monitoring device host and the monitoring device switch of the monitoring terminal, the 110V direct current power supply supplies power to the monitoring device where the monitoring device direct current acquisition module is located, and the 24V direct current power supply supplies power to the temperature and humidity transmitter.

The utility model has the advantages that: the system can monitor the temperature and the humidity of the machine room on line in real time in a manned duty room far away from the machine room, the temperature and the humidity of the machine room can be mastered in time, abnormal operation conditions of equipment caused by the fact that monitoring is not in place are reduced for personnel, data transmission of the temperature and the humidity of the machine room is timely, transmission is stable, the problem of high-amplitude data jumping does not exist, the monitored data are real-time data of the machine room, and monitoring accuracy is high.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is the utility model discloses data acquisition module and data transmission module's wiring diagram.

Detailed Description

As shown in fig. 1 and fig. 2, an online monitoring system for temperature and humidity of a machine room includes a data acquisition module 1, a data transmission module 2, a monitoring terminal 3 and a power supply 4, wherein the data acquisition module 1 receives temperature and humidity conditions of the machine room and converts physical temperature and humidity quantities into current quantities of 4-20mA, and includes a temperature and humidity transmitter 5 and a dc 24V power supply, the temperature and humidity transmitter 5 mainly has two-wire digital output, a humidity measurement range is 0-100% RH, a temperature range is-20-80 ℃, a humidity measurement accuracy is 3.0% RH, a temperature measurement accuracy is 0.4 ℃, a response time is less than 4ms, and low power consumption (30 LW). The temperature and humidity sensor can measure temperature and humidity simultaneously, can directly output 4-20mA current amount without external elements, and comprises a relative humidity sensor, a temperature sensor, an amplifier, a 14-bit A/D converter, a calibration memory, a random access memory, a state register, a cyclic redundancy check code register, a two-wire serial interface, a control unit, a heater and a low-voltage detection circuit, wherein the humidity sensor and the temperature sensor are arranged on the wall of a machine room.

Further, the data transmission module 2 is connected with a temperature and humidity transmitter 5 of the data acquisition module 1 through a cable 6, and the data transmission module 2 comprises a measurement and control device direct current acquisition module 7 and a measurement and control device switch 8; the direct current acquisition module 7 of the measurement and control device and the switch 8 of the measurement and control device are interconnected through a network 9, wherein the direct current acquisition module 7 of the measurement and control device provides eight direct current input interfaces, the acquisition function of 4-20mA is realized through a jumper, the 4-20mA current milliampere quantity transmitted by the data acquisition module 1 is received, the received current milliampere quantity is converted into a digital signal, and the digital signal is transmitted to a monitoring terminal display background; the switch 8 of the measurement and control device transmits the current milliampere quantity received by the direct current acquisition module of the measurement and control device in multiple directions, and the switch of the measurement and control device finally transmits the digital signal to the monitoring terminal 3 through the optical fiber cable 10.

The monitoring terminal 3 is connected with the data transmission module 2, the monitoring terminal 3 comprises a measurement and control device host 11, a keyboard 12, a display 13 and a mouse 14, after the measurement and control device host 11 receives the digital signals transmitted by the data transmission module 2, points which are connected to two corresponding input interfaces on the measurement and control device direct current acquisition module 7 are found on the measurement and control device host 11, picture modification is carried out on a host picture, and finally computer room temperature and humidity data are displayed on the display.

The system can monitor the temperature and the humidity of the machine room on line in real time in a manned duty room far away from the machine room, the temperature and the humidity of the machine room can be mastered in time, abnormal operation conditions of equipment caused by the fact that monitoring is not in place are reduced for personnel, data transmission of the temperature and the humidity of the machine room is timely, transmission is stable, the problem of high-amplitude data jumping does not exist, the monitored data are real-time data of the machine room, and monitoring accuracy is high.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The machine room temperature and humidity online monitoring system comprises a data acquisition module, a data transmission module, a monitoring terminal and a power supply, and is characterized in that the data acquisition module receives the temperature and humidity conditions of a machine room and converts temperature and humidity physical quantities into 4-20mA current quantities at the same time, the system comprises a temperature and humidity transmitter and a direct current 24V power supply, the temperature and humidity transmitter comprises a humidity sensor, a temperature sensor, an amplifier, a 14-bit A/D converter, a calibration memory, a random access memory, a status register, a cyclic redundancy check code register, a two-wire serial interface, a control unit, a heater and a low-voltage detection circuit, and the humidity sensor and the temperature sensor are installed on the wall of the machine room.

2. The on-line monitoring system for the temperature and the humidity of the machine room according to claim 1, wherein the data transmission module is connected with the data acquisition module, and comprises a measurement and control device direct current acquisition module and a measurement and control device switch; the monitoring terminal comprises a monitoring terminal, a data acquisition module and a monitoring terminal display background, wherein the monitoring terminal is used for receiving a current milliampere quantity of 4-20mA, the monitoring terminal is used for receiving the current milliampere quantity of 4-20mA, and transmitting the current milliampere quantity of 4-20mA to the monitoring terminal display background; the switch of the measurement and control device transmits the current milliampere quantity received by the direct current acquisition module of the measurement and control device in multiple directions, and finally transmits the digital signal to the monitoring terminal through the optical fiber cable.

3. The on-line monitoring system for the temperature and humidity of the machine room according to claim 2, wherein the monitoring terminal is connected with the data transmission module and comprises a measurement and control device host, a keyboard, a display and a mouse, after the measurement and control device host receives the digital signals transmitted by the data transmission module, points connected to two corresponding input interfaces on the measurement and control device direct current acquisition module are found on the measurement and control device host, and picture modification is performed on a host picture, and finally temperature and humidity data of the machine room are displayed on the display.

4. The on-line monitoring system for the temperature and humidity of the machine room according to claim 3, wherein the power supply comprises a 220V alternating current power supply, a 24V direct current power supply and a 110V direct current power supply, wherein the 220V alternating current power supply supplies power to a monitoring and control device host and a monitoring and control device switch of the monitoring terminal, the 110V direct current power supply supplies power to a monitoring and control device where a direct current acquisition module of the monitoring and control device is located, and the 24V direct current power supply supplies power to the temperature and humidity transmitter.