阅读说明：本技术 煤矿地面风压机集中控制系统 (Centralized control system for coal mine ground air compressor ) 是由 司志良 王红强 郝俊杰 郭传玉 刘伟 尹新晓 陈家富 贾蒙 赵德忠 于 2021-06-08 设计创作，主要内容包括：本发明公开了一种煤矿地面风压机集中控制系统,属于地下煤矿设备技术领域,包括：在远方工控机上用户可以根据系统运行状况,设置各个设备的运行参数,空压机系统依据现场用气量,实现机组的自动运行和停止,当系统当前机组出现故障时,可自动启用备用机组以满足现场对压缩空气气量需求,并将电机相关参数、压风机控制系统的控制及保护检测信号、压风机运行的信息、状态监控制以及电机振动采集上传至集控中心。本发明通过将压风机和其他矿用设备保护整合到一个集中控制管理平台,实现整个空压机系统的集中控制,远程上位机监控,数据采集,具备就地控制及远程控制功能,方便使用。(The invention discloses a centralized control system of a coal mine ground air compressor, belonging to the technical field of underground coal mine equipment and comprising: a user on a remote industrial personal computer can set operation parameters of each device according to the operation condition of the system, the air compressor system can automatically operate and stop the unit according to the field air consumption, when the current unit of the system breaks down, the standby unit can be automatically started to meet the requirement of the field on the air consumption of compressed air, and relevant parameters of a motor, control and protection detection signals of a pressure fan control system, operation information of the pressure fan, state monitoring control and motor vibration acquisition are uploaded to a centralized control center. The invention integrates the protection of the forced draught fan and other mining equipment into a centralized control management platform, realizes the centralized control of the whole air compressor system, the monitoring of a remote upper computer and the data acquisition, has the functions of local control and remote control and is convenient to use.)

1. The utility model provides a colliery ground air compressor centralized control system which characterized in that includes: the method comprises the following steps:

step 1: the method comprises the following steps that a user can set operation parameters of each device on a remote industrial personal computer according to the operation condition of the system, the air compressor system realizes automatic operation and stop of a unit according to field air consumption, when the current unit of the system breaks down, a standby unit can be automatically started to meet the requirement of the field on the air quantity of compressed air, and relevant parameters of a motor, control and protection detection signals of a blower control system, information of the operation of the blower, state monitoring control and motor vibration acquisition are uploaded to a centralized control center;

step 2: the centralized control center carries out data communication through the Ethernet transmission platform and transmits data to the air compressor room local control system and the network release system, and the air compressor room local control system can monitor each air compressor, the power distribution system and related supporting facilities and display the monitoring results on the display function control system in real time by combining video monitoring signals and audio signals;

and step 3: the user can remotely control each unit in the central control state in the central control room, click the starting key of any air compressor in the remote control state by using a mouse, the unit is used as a first host to start and operate, and other auxiliary machines and standby machines in the remote control state sequentially start each unit according to the pipe network pressure and the starting delay time in sequence until all units operate;

and 4, step 4: in step 3, after the pressure reaches the upper limit value of the pressure of the main pipe network in the remote control combined control state, the terminal operation station automatically unloads the standby machine according to the unloading delay time; if the pressure is still at the upper limit value of the pressure, the auxiliary machine is automatically unloaded in a delayed manner; if the unloading signal continues to exist, the second host is automatically unloaded after the time delay is continued, and finally the first host is automatically unloaded in a time delay manner;

and 5: the pressure of the main pipe network is lower than a pressure lower limit set value, the terminal operation station automatically loads the first host according to the loading delay time, if the pressure of the pipe network is still lower than the pressure lower limit set value, the terminal operation station automatically loads the second host according to the loading delay time, if the pressure of the pipe network is still lower than the pressure set value, the auxiliary machine is automatically loaded after the loading delay time, and finally the auxiliary machine is automatically loaded in a delayed manner;

step 6: in the operation process of the joint control air compressor, if any operation unit fails, the terminal operation station can automatically switch the joint control air compressor into the intelligent joint control system to perform compressed air temperature fault alarm, compressed air pressure fault alarm and electrical parameter fault alarm.

2. The centralized control system for the air compressor on the ground of the coal mine according to claim 1, wherein the units in the industrial personal computer are provided with automatic unit rotation, single control, combined control and on-site operation.

3. The centralized control system for the wind turbines on the ground of the coal mines according to claim 2, wherein the operation mode in the central control state is that a user can perform single control/joint control operation on the air compressors in the central control room, and the operation mode is the same as the control mode of the local terminal operation station.

4. The centralized control system for the coal mine ground air compressor as claimed in claim 1, wherein the display function control system displays the process flow in real time as follows:

a, monitoring the running parameters of the forced draught fan: the exhaust temperature and the exhaust pressure display the running state of the pressure fan and the state of a valve;

b. monitoring electrical parameters: voltage, current, bearing temperature and winding temperature of the blower motor;

c. monitoring the operating state and parameters of a matched cooling system;

d. a real-time video monitoring system monitors field devices.

5. The centralized control system of the coal mine ground air compressor as claimed in claim 1, wherein the centralized control center uses a high-performance industrial personal computer as an operation platform, the transmission of parameters and commands with the controller is completed through online monitoring software of the air compressor on the platform, and the system operation condition and the process flow in the air compressor room are known at any time through a software interface, so that remote monitoring and control are realized; and the data storage is realized, and the analysis and display of the data are realized in the form of graphs, reports and curves.

6. The centralized control system for the air compressor on the ground of the coal mine as claimed in claim 5, wherein after the data is stored in the centralized control center, the centralized control center stores the data in the form of data curves and reports for users to query and print.

7. The centralized control system for the wind turbines on the ground of the coal mines according to claim 1, wherein the users can perform hierarchical management and can be divided into managers, maintenance personnel, operators and browsing personnel, each of the users except the browsing personnel has an independent account and a password, and the system automatically records login time, operation records, time for parameter modification and modifying personnel.

8. The centralized control system for the air compressors on the coal mine ground as claimed in claim 2, wherein in the on-site operation mode, the air compressors can be selected to be in single control and joint control operation on an on-site terminal operation station, if the selection is single control, and in the on-site operation mode, the air compressors are operated to be started and stopped independently by clicking a start/stop key of each air compressor through a mouse; if the air compressor is selected as the joint control, in the mode, a mouse is used for clicking a start/stop key of any one air compressor, the joint control unit automatically enters a joint control state, meanwhile, the unit is used as a first joint control host to be started and operated firstly, and other units are started in a delayed mode according to the starting delay time.

9. The centralized control system for the ground wind turbine in the coal mine according to claim 1, wherein in step 3, the operation of the unit is that the joint control main machine is established to operate in a joint control state, the unit is divided into a first main machine, a second main machine, an auxiliary machine and a standby machine according to the operation sequence, the main machine and the standby machine are only provided in the two-machine joint control mode, the main machine, the auxiliary machine and the standby machine are provided in the three-machine joint control mode, and the first main machine, the second main machine, the auxiliary machine and the standby machine are provided in the four-machine joint control mode.

Technical Field

The invention relates to a centralized control system for a ground air compressor of a coal mine, and belongs to the technical field of underground coal mine equipment.

Background

The existing air compressor in the coal mine is independently controlled by a local single machine, does not have a data uploading function, cannot collect exhaust temperature, pressure, running time and loading time data of the air compressor, cannot perform centralized management on all data, and is inconvenient to use.

Disclosure of Invention

The invention mainly aims to solve the defects of the prior art and provide a centralized control system of a coal mine ground air compressor.

The purpose of the invention can be achieved by adopting the following technical scheme:

a colliery ground air compressor centralized control system includes: the method comprises the following steps:

step 1: the method comprises the following steps that a user can set operation parameters of each device on a remote industrial personal computer according to the operation condition of the system, an air compressor system realizes automatic operation and stop of a unit according to field air consumption, when the current unit of the system breaks down, a standby unit can be automatically started to meet the requirement of the field on the air quantity of compressed air, and relevant parameters of a motor, control and protection detection signals of a pressure fan control system, operation information of the pressure fan, state monitoring control and motor vibration acquisition are uploaded to a centralized control center;

step 2: the centralized control center carries out data communication through the Ethernet transmission platform and transmits data to the air compressor room local control system and the network release system, and the air compressor room local control system can monitor each air compressor, the power distribution system and related supporting facilities and display the monitoring signals and the audio signals on the display function control system in real time by combining the video monitoring signals and the audio signals;

and step 3: the user can remotely control each unit in the central control state in the central control room, click the starting key of any air compressor in the remote control state by using a mouse, the unit is used as a first host to start and operate, and other auxiliary machines and standby machines in the remote control state sequentially start each unit according to the pressure of a pipe network and the starting delay time in sequence until all units operate;

and 4, step 4: in step 3, after the pressure reaches the upper limit value of the pressure of the main pipe network in the remote control combined control state, the terminal operation station automatically unloads the standby machine according to the unloading delay time; if the pressure is still at the upper limit value of the pressure, the auxiliary machine is automatically unloaded in a delayed manner; if the unloading signal continues to exist, the second host is automatically unloaded after the time delay is continued, and finally the first host is automatically unloaded in a time delay manner;

and 5: the pressure of the main pipe network is lower than a pressure lower limit set value, the terminal operation station automatically loads the first host according to the loading delay time, if the pressure of the pipe network is still lower than the pressure lower limit set value, the terminal operation station automatically loads the second host according to the loading delay time, if the pressure of the pipe network is still lower than the pressure set value, the auxiliary machine is automatically loaded after the loading delay time, and finally the auxiliary machine is automatically loaded in a delayed manner;

step 6: in the operation process of the joint control air compressor, if any operation unit fails, the terminal operation station can automatically switch the joint control air compressor out of the intelligent joint control system to perform compressed air temperature fault alarm, compressed air pressure fault alarm and electrical parameter fault alarm.

Preferably, the units in the industrial personal computer are provided with automatic unit rotation, single control, combined control and on-site operation.

Preferably, the operation mode in the central control state is that a user can perform single control/joint control operation on the air compressor in the central control room, and the operation mode is the same as the control mode of the local terminal operation station.

Preferably, the real-time display process flow of the display function control system is as follows:

a, monitoring the running parameters of the forced draught fan: the exhaust temperature and the exhaust pressure display the running state of the pressure fan and the state of a valve;

b. monitoring electrical parameters: voltage, current, bearing temperature and winding temperature of the blower motor;

c. monitoring the operating state and parameters of a matched cooling system;

d. a real-time video monitoring system monitors field devices.

Preferably, the centralized control center takes a high-performance industrial personal computer as an operating platform, the transmission of parameters and commands with the controller is completed through online monitoring software of the blower fan on the platform, the system running condition and the process flow in the blower fan room are known at any time through a software interface, and remote monitoring and control are realized; and the data storage is realized, and the analysis and display of the data are realized in the form of graphs, reports and curves.

Preferably, after the data is stored in the centralized control center, the centralized control center stores the data in the form of data curves and reports, so that the user can conveniently inquire and print the data.

Preferably, the user can perform hierarchical management, the hierarchical management can be divided into an administrator, a maintenance person, an operating person and a browsing person, each person except the browsing person has an independent account and a password, and the system automatically records login time, operation records, time for modifying parameters and a modifier.

Preferably, in the local operation mode, the air compressors can be selected from single control and joint control operation on the local terminal operation station, if the selection is single control, in the local operation mode, the air compressors are operated to be independently started and stopped by clicking a start/stop key of each air compressor through a mouse; if the air compressor is selected as the joint control, a mouse is used for clicking a starting/stopping key of any one air compressor in the mode, the joint control unit automatically enters a joint control state, meanwhile, the unit is used as a first joint control host to be started and operated firstly, and other units are started in a delayed mode according to the starting delay time.

Preferably, in step 3, the unit operation is that the joint control master is established to operate in a joint control state, the unit is divided into a first master, a second master, an auxiliary machine and a standby machine according to the operation sequence, the master and the standby machine are only provided in the two-machine joint control, the master, the auxiliary machine and the standby machine are provided in the three-machine joint control, and the first master, the second master, the auxiliary machine and the standby machine are provided in the four-machine joint control.

The invention has the beneficial technical effects that: according to the centralized control system for the coal mine ground air compressor, the protection of the air compressor and other mining equipment is integrated into a centralized control management platform, so that the centralized control of the whole air compressor system, the monitoring of a remote upper computer and the data acquisition are realized, the centralized control system has the functions of local control and remote control, and the use is convenient.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail with reference to the following examples, but the embodiments of the present invention are not limited thereto.

The colliery ground air compressor centralized control system that this embodiment provided, colliery ground air compressor centralized control system includes: the method comprises the following steps:

step 1: the method comprises the following steps that a user can set operation parameters of each device on a remote industrial personal computer according to the operation condition of the system, an air compressor system realizes automatic operation and stop of a unit according to field air consumption, when the current unit of the system breaks down, a standby unit can be automatically started to meet the requirement of the field on the air quantity of compressed air, and relevant parameters of a motor, control and protection detection signals of a pressure fan control system, operation information of the pressure fan, state monitoring control and motor vibration acquisition are uploaded to a centralized control center;

step 2: the centralized control center carries out data communication through the Ethernet transmission platform and transmits data to the air compressor room local control system and the network release system, and the air compressor room local control system can monitor each air compressor, the power distribution system and related supporting facilities and display the monitoring signals and the audio signals on the display function control system in real time by combining the video monitoring signals and the audio signals;

and step 3: the user can remotely control each unit in the central control state in the central control room, click the starting key of any air compressor in the remote control state by using a mouse, the unit is used as a first host to start and operate, and other auxiliary machines and standby machines in the remote control state sequentially start each unit according to the pressure of a pipe network and the starting delay time in sequence until all units operate;

and 4, step 4: in step 3, after the pressure reaches the upper limit value of the pressure of the main pipe network in the remote control combined control state, the terminal operation station automatically unloads the standby machine according to the unloading delay time; if the pressure is still at the upper limit value of the pressure, the auxiliary machine is automatically unloaded in a delayed manner; if the unloading signal continues to exist, the second host is automatically unloaded after the time delay is continued, and finally the first host is automatically unloaded in a time delay manner;

and 5: the pressure of the main pipe network is lower than a pressure lower limit set value, the terminal operation station automatically loads the first host according to the loading delay time, if the pressure of the pipe network is still lower than the pressure lower limit set value, the terminal operation station automatically loads the second host according to the loading delay time, if the pressure of the pipe network is still lower than the pressure set value, the auxiliary machine is automatically loaded after the loading delay time, and finally the auxiliary machine is automatically loaded in a delayed manner;

step 6: in the operation process of the joint control air compressor, if any operation unit fails, the terminal operation station can automatically switch the joint control air compressor out of the intelligent joint control system to perform compressed air temperature fault alarm, compressed air pressure fault alarm and electrical parameter fault alarm. The units in the industrial control machine are provided with automatic unit rotation, single control, combined control and on-site operation. The operation mode in the central control state is that a user can carry out single control/joint control operation on the air compressor in a central control room, and the working mode is the same as the control mode of the local terminal operation station. The protection of the blower and other mining equipment is integrated into a centralized control management platform, so that the centralized control of the whole air compressor system, the monitoring of a remote upper computer and the data acquisition are realized, the functions of local control and remote control are realized, and the use is convenient.

The real-time display process flow of the display function control system is as follows: a, monitoring the operation parameters of the pressure fan: the exhaust temperature and the exhaust pressure display the running state of the pressure fan and the state of a valve; b. monitoring electrical parameters: voltage, current, bearing temperature and winding temperature of the blower motor; c. monitoring operating conditions and parameters of a mated cooling system; d. a real-time video monitoring system monitors field devices. The centralized control center takes a high-performance industrial personal computer as an operation platform, completes the transmission of parameters and commands with the controller through online monitoring software of the blower fan on the platform, and knows the system running condition and the process flow in the blower fan room at any time through a software interface so as to realize remote monitoring and control; and the data storage is realized, and the analysis and display of the data are realized in the form of graphs, reports and curves. And (3) state monitoring parameters: relevant parameters of the motor: voltage, current, bearing temperature, winding temperature; controlling the switching-on and switching-off states of the motor switch cabinet; fault signal short circuit, overcurrent and overload of the switch cabinet comprehensive protector; and the control and protection detection signal of the blower control system and the running information of the blower. Such as: the method comprises the steps of monitoring the state of an air compressor, monitoring the exhaust pressure and temperature of the air compressor, monitoring the state of the air compressor, monitoring the operation, fault, loading and unloading, monitoring the operation current, voltage, stator temperature, bearing temperature and accumulated operation time of the air compressor, acquiring the vibration frequency of the motor, acquiring and analyzing the vibration frequency of the motor by adding a vibration sensor and a vibration acquisition device, alarming when the vibration frequency of the motor is out of a safe range, and recording the vibration frequency in a curve form.

After the data is stored in the centralized control center, the centralized control center stores the data in the form of data curves and reports, so that the user can conveniently inquire and print the data. The user can carry out hierarchical management and can be divided into an administrator, a maintenance worker, an operator and a browser, each person except the browser has an independent account and a password, and the system automatically records login time, operation records, time for modifying parameters and a modifier. In the local operation mode, the air compressor can be selected from single control and joint control operation on the local terminal operation station, if the single control is selected, the air compressor is operated to be independently started and stopped by clicking a start/stop key of each air compressor through a mouse; if the air compressor is selected to be in the joint control mode, a mouse is used for clicking a starting/stopping key of any one air compressor in the mode, the joint control unit automatically enters a joint control state, meanwhile, the unit is used as a first main machine of the joint control to be started and operated firstly, and other units are started in a delayed mode according to the starting delay time. In step 3, the unit operation is that the joint control main machine is established to operate in a joint control state, the unit is divided into a first main machine, a second main machine, an auxiliary machine and a standby machine according to the operation sequence, the main machine and the standby machine are only arranged in the two-machine joint control mode, the main machine, the auxiliary machine and the standby machine are arranged in the three-machine joint control mode, and the first main machine, the second main machine, the auxiliary machine and the standby machine are arranged in the four-machine joint control mode.

Automatic rotation of the units: the units can realize automatic rotation so as to ensure that the running time of each unit is approximately similar and the running time of each air compressor is balanced to the greatest extent.

Single control: each air compressor unit operates independently and does not participate in the interlocking control of other units.

Joint control: the multiple air compressors are respectively a main machine, an auxiliary machine and a standby machine. All air compressors participating in joint control in the system are connected to the same pressure system, and the units in the joint control state perform interlocking action together.

In situ: the unit only receives the command sent by the local terminal operating station.

In the on-site operation mode, the air compressor can be selected to be operated in single control and combined control on an on-site terminal operation station. If single control is selected, the air compressors are operated to be independently started and stopped by clicking a start/stop key of each air compressor through a mouse in the mode; if the mode is selected as the joint control, a mouse is used for clicking a start/stop key of any one air compressor in the mode, the joint control unit automatically enters a joint control state, meanwhile, the unit is used as a first joint control host to start and operate firstly, other units are started in a delayed mode according to start delay time, and if the pressure of a main pipe network reaches a set high limit value, the units which are not started.

And (4) central control: the user can remotely control each unit in the central control state in the central control room, and in the central control operation mode, the user can perform single control/joint control operation on the air compressor in the central control room. The working mode is the same as the control mode of the local terminal operating station.

The establishment of the joint control host is under the joint control state: the method comprises the steps that a mouse is used for clicking a starting key of any air compressor in a remote control state, the unit is used as a first main machine to start and operate, other auxiliary machines and standby machines in the remote control state sequentially start the units according to pipe network pressure and starting time delay in sequence until all the units operate (the units are divided into the first main machine, the second main machine, the auxiliary machines and the standby machines according to the sequence of operation, the main machine and the standby machines are only arranged in the two-machine joint control mode, the main machine, the auxiliary machines and the standby machines are arranged in the three-machine joint control mode, the first main machine, the second main machine, the auxiliary machines and the standby machines are arranged in the four-machine joint control mode, and the like in the joint control of more units. If the main network pressure has reached a predetermined high limit, the non-activated units are no longer activated.

And (3) carrying out joint control unloading control, wherein in a joint control state: after the pressure reaches the upper limit value of the pressure of the main pipe network, the terminal operation station automatically unloads the standby machine according to the unloading delay time; if the pressure is still at the upper limit value of the pressure, the auxiliary machine is automatically unloaded in a delayed manner; if the unloading signal continuously exists, the second host is automatically unloaded after continuous delay, and finally the first host is automatically unloaded in a delayed manner.

The joint control loading control is carried out, the pressure of the main pipe network is lower than a pressure lower limit set value, and the terminal operation station automatically loads the first host according to the loading delay time; if the pressure of the pipe network is still lower than the lower pressure limit set value, automatically loading the second host according to the loading delay time; if the pressure of the pipe network is still lower than the pressure set value, the auxiliary machine is automatically loaded after the loading delay time, and finally the standby machine is automatically loaded in a delayed manner.

The system has comprehensive fault intelligent alarm function:

compressed air temperature fault alarm: each wind packet is provided with 1 temperature sensor to realize the overtemperature alarm vehicle jumping of the forced draught fan;

compressed air pressure failure alarm: monitoring the pressure of compressed air in real time to realize the over-pressure alarm vehicle jumping of the forced draught fan;

and (3) electrical parameter fault alarming: monitoring the current, voltage and electrical parameters of the blower in real time, and realizing fault alarm.

In the operation process of the joint control air compressor, if any operation unit fails, the terminal operation station can automatically switch the joint control air compressor out of the intelligent joint control system. Other units can still be automatically loaded and unloaded according to the preset program control requirement, so that when the pressure of the pipe network is lower than the pressure set lower limit value, other standby machines which are not started are sequentially started according to the start delay time, and the requirement of the pressure of the main pipe network is met.

And in the process of the joint control operation, the terminal operation station can automatically time the operation time of each operation mode unit according to the set host conversion time and automatically switch the host so as to balance the operation working time of each unit.

And (4) switching the joint control states, wherein in the joint control operation process, a user can randomly switch one air compressor out of the joint control state according to the requirements of the system, and can throw any air compressor in the single control state into the running intelligent joint control system.

The centralized control center uses a high-performance industrial personal computer as an operation platform, and completes the transmission of parameters and commands with the controller through online monitoring software of the blower fan on the platform. The system running condition and the process flow in the pressure fan room can be known at any time through a software interface, so that remote monitoring and control are realized; and the data storage is realized, and the analysis and display of the data are realized in the form of graphs, reports and curves. The local control system of the blower room, the centralized control center and the network publishing system carry out data communication through the Ethernet transmission platform and mutually transmit data.

The control system combines the video monitoring signal and the audio signal, can monitor each pressure fan, the power distribution system and related supporting facilities, and the video adopts digital signals, and the pixel is not less than 200 ten thousand pixels. Possess the video storage function, the video storage time is not less than 1 month, realizes forced draught fan room remote monitoring, unmanned on duty. The whole compressed air automation system is butted with the built comprehensive automation of the mine.

The display function control system displays the process flow pictures in real time specifically as follows:

the operation parameters of the forced draught fan are as follows: exhaust temperature, exhaust pressure. Displaying the running state of the pressure fan and the state of the valve; electrical parameters: voltage, current, bearing temperature and winding temperature of a blower motor; operating conditions and parameters of the associated cooling system; a real-time video monitoring system of a field device;

and setting parameters, wherein a user can set the operation parameters of each device according to the operation state of the system, and a basis is provided for system operation and alarm. The data curve inquiry, report generation, storage, inquiry and printing functions acquire and store important system parameters in real time, and the time is not less than 3 months; the real-time data and the historical data need to generate a data curve for being inquired when needed. The method can generate an equipment operation report, a fault alarm report, a production statistical report, a process variable report and an operation parameter report according to the requirements, and ensure the requirements of various standard management. Such as: the summary table of the operation times and the operation time of each equipment in each month is a summary table of various equipment operation conditions of the whole machine room.

The system user is managed in a grading way and can be divided into managers, maintenance personnel, operating personnel and browsing personnel. Except for the viewer, each person has its own independent account and password. The system automatically records login time, operation record, parameter modification time and modifier.

In summary, in this embodiment, according to the centralized control system for the coal mine ground air compressor of this embodiment, the centralized control system for the coal mine ground air compressor provided by this embodiment integrates the protection of the air compressor and other mining devices into one centralized control management platform, so as to realize the centralized control of the whole air compressor system, the monitoring of the remote upper computer, and the data acquisition, and have the functions of local control and remote control, and are convenient to use.

The above description is only a further embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the scope of the present invention.