CN217467526U

CN217467526U - Unattended monitoring system for machine room

Info

Publication number: CN217467526U
Application number: CN202221590234.2U
Authority: CN
Inventors: 靳俊青; 赵俊刚; 宁尹君
Original assignee: Taiyuan Anyong Air Conditioning Co ltd
Current assignee: Taiyuan Anyong Air Conditioning Co ltd
Priority date: 2022-06-22
Filing date: 2022-06-22
Publication date: 2022-09-20
Anticipated expiration: 2032-06-22

Abstract

The utility model relates to an unmanned on duty monitored control system for computer lab belongs to computer lab unmanned on duty technical field, has solved that traditional monitoring technology is with high costs, long distance teletransmission effect is not good and parameter acquisition technical problem such as not comprehensive, data are inaccurate. The solution is as follows: an unattended monitoring system for a machine room comprises a concentrator, a remote transmission module, an intelligent terminal, a machine room equipment main control board, a current and voltage monitoring module, a PLC (programmable logic controller), a parameter acquisition module, an execution module and an alarm module; the monitoring system comprises a current and voltage monitoring module, a machine room equipment main control board, a PLC (programmable logic controller) and a remote transmission module, wherein the current and voltage monitoring module, the machine room equipment main control board, the PLC and the remote transmission module are respectively connected with a concentrator through data lines, signal ends of a parameter acquisition module and an execution module are respectively connected with a signal end of the PLC, and a signal input end of an alarm module is connected with a signal output end of the PLC. The utility model discloses simple structure realizes striding city long distance teletransmission, has improved dimension guarantor's efficiency and trouble corresponding.

Description

Unattended monitoring system for machine room

Technical Field

The utility model belongs to the technical field of the computer lab unmanned on duty, concretely relates to be an unmanned on duty monitored control system for computer lab.

Background

With the continuous deepening of the urban industrialization process and the continuous development of science and technology, the application of large central air conditioners and large boilers in daily production and life is very common, and the requirements of various industries on cooling and heating are generally realized. At present, the following defects exist in the monitoring of the machine room:

1. the prior art relates to temperature acquisition and industrial control equipment control, and a large number of digital temperature/humidity sensors, a large number of digital input/output modules, a large number of intermediate relays, contactors and control modules or a PLC (programmable logic controller) are required to construct a control cabinet during system design; PCI card, SMS cat, printer, software client (can only install at customer's computer, many installations need many computers, and the client quantity is restricted by hardware), and overall system is complicated, and the cost is higher.

2. In the prior art, remote transmission is carried out through an RS485 bus, and under the premise of ideal environment (one RS485 bus load device is used, the Baud rate is 9600, and high-quality communication wires up to the standard are used), the RS485 bus can reach the longest communication distance of 1200 m. If factors such as a plurality of load 485 devices, substandard wire impedance, thin wire diameter, non-high-quality converters, complex equipment lightning protection, improvement of baud rate and the like exist, the RS485 communication distance can be shortened, so that the monitoring client can only be installed nearby, and long-distance transmission across the city and the ground can not be realized although the remote can be realized.

3. The problems of inaccurate and incomplete recorded data, complex butt joint procedure after alarming, low maintenance efficiency and fault response efficiency and the like exist in remote temperature monitoring, over-temperature alarming, temperature control of cooling and heating, alarming when refrigeration and heating equipment are in fault, timely response and troubleshooting of a maintenance unit and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's shortcoming, provide an unmanned on duty monitored control system for computer lab, solved that traditional monitoring technique is with high costs, long distance teletransmission effect is not good and parameter acquisition is not comprehensive, data scheduling technical problem inaccurate.

In order to solve the above problem, the technical scheme of the utility model is that: an unattended monitoring system for a machine room, wherein: the intelligent terminal comprises a concentrator, a remote transmission module, an intelligent terminal, a machine room equipment main control board, a current and voltage monitoring module, a PLC (programmable logic controller), a parameter acquisition module, an execution module and an alarm module;

the intelligent terminal comprises a current and voltage monitoring module, a machine room equipment main control board, a PLC (programmable logic controller) and a remote transmission module, wherein the current and voltage monitoring module, the machine room equipment main control board, the PLC and the remote transmission module are respectively connected with a concentrator through data lines, the concentrator is used for receiving information collected in the current and voltage monitoring module, the machine room equipment main control board and the PLC, the remote transmission module is connected with the intelligent terminal through wireless signals, and the concentrator transmits the received information to the intelligent terminal through the remote transmission module;

the signal ends of the parameter acquisition module and the execution module are respectively connected with the signal end of the PLC, the parameter acquisition module acquires environmental information in a pipeline in a machine room and transmits the information to the PLC, the execution module receives a signal sent by the PLC to execute, and the PLC acquires state information of the execution module; and the signal input end of the alarm module is connected with the signal output end of the PLC.

Further, the machine room is a central heating machine room, a refrigerating machine room or a heating machine room, and the machine room device main control panel is a central heating heat exchange station main control panel, a refrigerating device main control panel or a heating device main control panel.

Further, parameter acquisition module includes differential pressure sensor, humidity transducer, temperature sensor, pressure sensor, level sensor and flow sensor, differential pressure sensor, humidity transducer, temperature sensor, pressure sensor, level sensor and flow sensor all locate the pipeline in the computer lab on.

Further, the execution module comprises a water pump and a fan.

Further, alarm module includes audible alarm and audible and visual alarm, audible alarm and audible and visual alarm all set up in the computer lab.

Further, the remote transmission module is a 4GLTE industrial-grade router.

Further, the hub is an RS485 hub.

Furthermore, the intelligent terminal is a mobile phone or a computer.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model realizes data transmission by directly connecting the main control board of the machine room equipment with the concentrator, collects and monitors the data of the main control board of the equipment, saves a large amount of sensors and layout work, and reduces the cost of the parts needing analysis and control, such as parameter collection, fault judgment, parameter setting, startup and shutdown, and the like of the running state of the equipment;

parameter acquisition module gathers environmental parameter (pressure differential, humidity, temperature, pressure, liquid level and flow) in the pipeline in the computer lab, and signal transmission with gathering gives the PLC controller, the PLC controller sends the signal to the concentrator, then send intelligent terminal through remote transmission module and take notes and analysis, intelligent terminal sends the order through wireless signal and gives remote transmission module, then accomplish opening of water pump and fan in the computer lab through the PLC controller and stop control, if pipeline internal parameter is unusual, the PLC controller gives alarm module with unusual signal transmission, voice alarm and audible-visual annunciator in the computer lab report to the police, and intelligent terminal receives alarm information, the staff of being convenient for discovers and in time handles.

The utility model discloses simple structure saves the cost, realizes striding city long distance teletransmission, carries out comprehensive accurate record to the parameter in the computer lab, and it is corresponding to have improved dimension guarantor efficiency and trouble.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

An unattended monitoring system for a machine room as shown in fig. 1, wherein: the intelligent terminal comprises a concentrator 1, a remote transmission module 2, an intelligent terminal 3, a machine room equipment main control board 4, a current and voltage monitoring module 5, a PLC (programmable logic controller) 6, a parameter acquisition module 7, an execution module 8 and an alarm module 9;

the current and voltage monitoring module 5, the machine room equipment main control board 4, the PLC controller 6 and the remote transmission module 2 are respectively connected with the concentrator 1 through data lines, the concentrator 1 is used for receiving information collected in the current and voltage monitoring module 5, the machine room equipment main control board 4 and the PLC controller 6, the remote transmission module 2 is connected with the intelligent terminal 3 through wireless signals, and the concentrator 1 sends the received information to the intelligent terminal 3 through the remote transmission module 2;

the signal ends of the parameter acquisition module 7 and the execution module 8 are respectively connected with the signal end of the PLC controller 6, the parameter acquisition module 7 acquires environmental information in a pipeline in a machine room and transmits the information to the PLC controller 6, the execution module 8 receives a signal sent by the PLC controller 6 to execute, and the PLC controller 6 acquires state information of the execution module 8; and the signal input end of the alarm module 9 is connected with the signal output end of the PLC 6. The PLC 6 can collect the running state parameters of the water pump 8-1 and the fan 8-2 and can also control the start and stop of the water pump 8-1 and the fan 8-2. Parameter acquisition module 7 transmits the information of gathering for the PLC controller, if the information is unusual, the PLC controller gives alarm module 9 with unusual information transmission, and alarm module 9 starts for remind the staff, and intelligent terminal 3 shows unusual information simultaneously, and sends for the staff through the SMS, makes in time arrange the trouble, raises the efficiency.

Further, the machine room is a central heating machine room, a refrigeration machine room or a heating machine room, and the machine room device main control board 4 is a central heating heat exchange station main control board, a refrigeration device main control board or a heating device main control board. The utility model discloses can insert different computer rooms, monitor the computer room of difference.

Further, the parameter acquisition module 7 comprises a differential pressure sensor 7-1, a humidity sensor 7-2, a temperature sensor 7-3, a pressure sensor 7-4, a liquid level sensor 7-5 and a flow sensor 7-6, wherein the differential pressure sensor 7-1, the humidity sensor 7-2, the temperature sensor 7-3, the pressure sensor 7-4, the liquid level sensor 7-5 and the flow sensor 7-6 are all arranged on a pipeline in the machine room. The pressure difference sensor 7-1 is used for detecting a pressure difference value in the pipeline, the humidity sensor 7-2 is used for detecting humidity in the pipeline, the temperature sensor 7-3 is used for detecting temperature in the pipeline, the pressure sensor 7-4 is used for detecting pressure in the pipeline, the liquid level sensor 7-5 is used for detecting liquid conditions in the pipeline, and the flow sensor 7-6 is used for detecting flow conditions of liquid in the pipeline.

Further, the execution module 8 comprises a water pump 8-1 and a fan 8-2.

Further, the alarm module 9 comprises a voice alarm 9-1 and an audible and visual alarm 9-2, and the voice alarm 9-1 and the audible and visual alarm 9-2 are both arranged in the machine room.

Further, the remote transmission module 2 is a 4GLTE industrial router. The system can quickly access a user to the high-speed internet, realizes safe and reliable data transmission, is more stable compared with a civil wireless router, and can be more suitable for continuous work in severe environment.

Further, the hub 1 is an RS485 hub.

Further, the intelligent terminal 3 is a mobile phone or a computer. The data can be monitored through a mobile phone or a computer.

Claims

1. The utility model provides an unmanned on duty monitored control system for computer lab which characterized in that: the intelligent monitoring system comprises a concentrator (1), a remote transmission module (2), an intelligent terminal (3), a machine room equipment main control board (4), a current and voltage monitoring module (5), a PLC (programmable logic controller) (6), a parameter acquisition module (7), an execution module (8) and an alarm module (9);

the current and voltage monitoring module (5), the machine room equipment main control board (4), the PLC (programmable logic controller) and the remote transmission module (2) are respectively connected with the hub (1) through data lines, the hub (1) is used for receiving information collected in the current and voltage monitoring module (5), the machine room equipment main control board (4) and the PLC (6), the remote transmission module (2) is connected with the intelligent terminal (3) through wireless signals, and the hub (1) sends the received information to the intelligent terminal (3) through the remote transmission module (2);

the signal ends of the parameter acquisition module (7) and the execution module (8) are respectively connected with the signal end of the PLC (6), the parameter acquisition module (7) acquires environmental information in a pipeline in a machine room and transmits the information to the PLC (6), the execution module (8) receives a signal sent by the PLC (6) for execution, and the PLC (6) acquires state information of the execution module (8); and the signal input end of the alarm module (9) is connected with the signal output end of the PLC (6).

2. An unattended monitoring system for a machine room according to claim 1, characterised in that: the machine room is a central heating machine room, a refrigerating machine room or a heating machine room, and the machine room equipment main control board (4) is a central heating heat exchange station main control board, a refrigerating equipment main control board or a heating equipment main control board.

3. An unattended monitoring system for a machine room according to claim 1, characterised in that: the parameter acquisition module (7) comprises a differential pressure sensor (7-1), a humidity sensor (7-2), a temperature sensor (7-3), a pressure sensor (7-4), a liquid level sensor (7-5) and a flow sensor (7-6), wherein the differential pressure sensor (7-1), the humidity sensor (7-2), the temperature sensor (7-3), the pressure sensor (7-4), the liquid level sensor (7-5) and the flow sensor (7-6) are all arranged on a pipeline in the machine room.

4. An unattended monitoring system for a machine room according to claim 1, characterised in that: the execution module (8) comprises a water pump (8-1) and a fan (8-2).

5. An unattended monitoring system for a machine room according to claim 1, characterised in that: the alarm module (9) comprises a voice alarm (9-1) and an audible and visual alarm (9-2), and the voice alarm (9-1) and the audible and visual alarm (9-2) are arranged in the machine room.

6. An unattended monitoring system for a machine room according to claim 1, characterised in that: the remote transmission module (2) is a 4GLTE industrial-grade router.

7. An unattended monitoring system for a machine room according to claim 1, characterised in that: the concentrator (1) is an RS485 concentrator.

8. An unattended monitoring system for a machine room according to claim 1, characterised in that: the intelligent terminal (3) is a mobile phone or a computer.