CN210640683U - Local fan temperature monitoring protection device - Google Patents
Local fan temperature monitoring protection device Download PDFInfo
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- CN210640683U CN210640683U CN201921586050.7U CN201921586050U CN210640683U CN 210640683 U CN210640683 U CN 210640683U CN 201921586050 U CN201921586050 U CN 201921586050U CN 210640683 U CN210640683 U CN 210640683U
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Abstract
The utility model discloses a local ventilation blower temperature monitoring protection device increases motor temperature and main shaft temperature protection on local ventilation blower to reach central processing unit with all local fan operating temperature data on fan monitoring wind station, accessible dispatch centralized control center carries out remote control to local fan in the pit. The utility model discloses combine temperature protection and data analysis together, through data information's accumulation analysis in practical application, whether differentiatees auxiliary ventilating fan's running state is intact, can significantly reduce because of equipment trouble and equipment take ill the operation to the damage of equipment, increased the factor of safety in borehole operation place, guarantee underground auxiliary ventilating fan's that can be better safe and reliable operation to more effectual protection underground staff's life and health maintain the development of enterprise safety and stability.
Description
Technical Field
The utility model belongs to fan temperature monitoring protection field, concretely relates to auxiliary ventilating fan temperature monitoring protection device.
Background
A mine local ventilator is a ventilator installed underground in a coal mine, is used for mine ventilation, supplies enough fresh air in a roadway, meets the requirement of personnel on oxygen, dilutes underground harmful gas and dust, ensures safe production, regulates underground climate and creates a good working environment.
The existing local ventilator protection system protectively monitors the current change of a local ventilator motor, and when the current changes greatly, the local ventilator is protected by overcurrent protection action of the local ventilator. The existing local ventilator protection system does not adopt a temperature monitoring protection system, can not completely solve the fault change in a long-time running state, has insufficient protection items, and can not more comprehensively protect the safe and stable running of the local ventilator. The technical difficulty of the local ventilator temperature monitoring and protection is that the local ventilator does not have system temperature analysis data before, and the underground local ventilator is frequently replaced and used, so that an effective monitoring and early warning system is difficult to establish.
Disclosure of Invention
In order to overcome current auxiliary ventilating fan protection project not enough, there is not systematic scientific analysis, the defect of unable comprehensive protection auxiliary ventilating fan safety and stability operation, the utility model provides an utilize the temperature variation of auxiliary ventilating fan under running state, whether differentiate the auxiliary ventilating fan and have the trouble or take the condition of sick operation to in time make the adjustment or change, avoid arousing the auxiliary ventilating fan temperature monitoring protection device of wind accident because of equipment trouble.
The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted is:
a temperature monitoring and protecting device for local ventilators comprises a plurality of local ventilators, wherein temperature sensors are respectively arranged on a main shaft and a motor side of each local ventilator, the temperature sensors are connected with start-stop switches of the local ventilators through local ventilator protection control circuits, each local ventilator protection control circuit comprises a local ventilator protector BH, two nodes of X3:3 and X3:4 of the local ventilator protector BH are a power supply 24V +, two nodes of X3:15 and two nodes of X3:16 are a common end 24V-, a local ventilator protector BH node X2:17 and an X2:18 are in one-to-one correspondence connection with main shaft temperature signals T1 and T2, temperature protection signals T3 and T4 of local ventilator protectors BH nodes X2:19 and X2:20 motors are in one-to-one correspondence, the local ventilator protectors BH nodes X1:11 and X1:12 are connected with a front fan protection contact BH1, the local fan protector BH nodes X1:7 and X1:8 are connected with a rear fan protection contact BH2, and a 24V power supply supplies power to the temperature sensor. Furthermore, each local ventilator protection control circuit comprises a local ventilator protector BH, two nodes of X3:3 and X3:4 of the local ventilator protector BH are power supply 24V +, X3:15 and X3:16 are common end 24V-, and local ventilator protector BH nodes X2:17 and X2:18 are correspondingly connected with spindle temperature signals T1 and T2 one by one, local ventilator protector BH nodes X2:19 and temperature protection signals T3 and T4 of an X2:20 motor are correspondingly connected one by one, local ventilator protector BH nodes X1:11 and X1:12 are connected with a front fan protection contact BH1, local ventilator protector BH nodes X1:7 and X1:8 are connected with a rear fan protection contact BH2, and a 24V power supply power to the temperature sensor. When the fan is started, if the temperature display is normal, the protection contacts BH1 and BH2 are closed, the fan operates normally, if the temperature change is abnormal or exceeds a temperature protection setting value, the protection contacts BH1 and BH2 are opened, and the fan is automatically switched to the standby machine to operate.
Furthermore, the temperature sensor is connected with one end of a temperature transmitter through a data analysis base station, the other end of the temperature transmitter is connected with one end of a central processing unit used for analyzing the temperature of each local fan through a fan monitoring wind station, and the other end of the central processing unit is connected with a dispatching centralized control center.
Preferably, the temperature sensor is a thermocouple temperature sensor or an infrared temperature sensor. The temperature sensor is a data acquisition unit of the system, wherein the thermocouple temperature sensor is fixed on a local ventilator shell by adopting a clamping plate type and is used for monitoring the temperature change of the local ventilator: the infrared temperature sensor can be fixed on the shell of the local ventilator, and can also be fixed on the side of the local ventilator by adopting a bracket or a hard link, and the detection light is aligned to a main shaft or a motor of the local ventilator to monitor the temperature of the local ventilator.
The local temperature monitoring and early warning system is composed of a built-in temperature monitoring protector and a central temperature early warning protector, wherein the built-in temperature monitoring protector and the central temperature early warning protector are installed inside a control switch of the local ventilator, one end of the built-in temperature monitoring protector is connected with a temperature data collector, the other end of the built-in temperature monitoring protector is connected with an automatic switching system of the local fan, one end of the central temperature early warning protector is connected with the temperature data collector, and the other end of the central temperature early warning protector is connected with a dispatching centralized control center. The local temperature monitoring and early warning system is a reaction mechanism system of a local ventilator temperature monitoring and protecting system and is mainly embodied to send out fault indication through sound and light signals when temperature monitoring data change. When the temperature signal fed back into the switch by the temperature data collector exceeds the early warning value of temperature monitoring protection, the fan switch displays temperature alarm, the temperature protection fault indicator lamp is converted into a red light, and when the temperature continuously rises and exceeds a limit value, the action of the local fan automatic switching system is converted into standby operation, so that the motor of the local fan is protected from being burnt. The central temperature monitoring and early warning protector is a reaction system for data analysis of a central processing unit, mainly aims to predict and evaluate faults before data processing and evaluation, timely sends out an alarm when the temperature value of a local ventilator is abnormal, and feeds an alarm signal back to a dispatching centralized control system.
The data analysis base station converts temperature data on the temperature sensor into electronic signals through the temperature transmitter, then uploads the electronic signals to the central processing unit through the optical cable, and simultaneously performs primary analysis on the data and feeds the data back to the temperature monitoring protection unit in the local ventilator control switch.
The central processing unit is the core of the local ventilator temperature monitoring and protecting system, and analyzes and researches the temperature signals uploaded by all the local ventilators in the mine, analyzes the faults of the local ventilators with overhigh temperature, overlarge temperature difference change and irregular temperature change in the using process, and overhauls or replaces the local ventilators with faults in time, thereby establishing a set of perfect temperature monitoring and protecting system, ensuring the ventilation quality of each operation place in the mine and maintaining the safe and stable development of the mine.
The dispatching centralized control system is a system for uniformly processing data information analysis results fed back to the central processing unit underground, when a local ventilator fails, a fault indication signal is sent to the dispatching centralized control platform through the central processing unit, and a worker sends an alarm instruction according to the fault indication of the centralized control platform to dispatch related personnel to handle the fault, so that accident potential is eliminated in time.
The local fan temperature monitoring and protecting device is characterized in that the motor temperature and the spindle temperature protection are added on the local fan, all local fan operation temperature data are uploaded to a central processing unit through a fan monitoring wind station, and the underground local fan can be remotely controlled through a dispatching centralized control center. The utility model discloses combine temperature protection and data analysis together, through data information's accumulation analysis in practical application, whether differentiatees auxiliary ventilating fan's running state is intact, can significantly reduce because of equipment trouble and equipment take ill the operation to the damage of equipment, increased the factor of safety in borehole operation place, guarantee underground auxiliary ventilating fan's that can be better safe and reliable operation to more effectual protection underground staff's life and health maintain the development of enterprise safety and stability.
Drawings
The invention will be further described with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of a single ventilator protection control circuit.
Detailed Description
Example 1
As shown in fig. 1, the local ventilator temperature monitoring and protecting device of this embodiment includes a plurality of local ventilators, temperature sensors are respectively installed on a main shaft and a motor side of each local ventilator, the temperature sensors are connected to start and stop switches of each local ventilator through each local ventilator protection control circuit, each local ventilator protection control circuit includes a local ventilator protector BH (MPR 302G), two nodes X3:3 and X3:4 of the local ventilator protector BH (MPR 302G) are power supplies 24V +, two nodes X3:15 and two nodes X3:16 are common terminals 24V +, two nodes X2:17 and X2:18 of the local ventilator protector BH (MPR 302G) are connected to main shaft temperature signals T1 and T2 in a one-to-one correspondence manner, temperature protection signals T3 and T4 of the local ventilator BH (MPR 302G) node X2:19 and X2:20 motors are connected in a one-to-one manner, the local fan protector BH (MPR 302G) nodes X1:11 and X1:12 are connected with a front fan protection contact BH1, the local fan protector BH (MPR 302G) nodes X1:7 and X1:8 are connected with a rear fan protection contact BH2, and a 24V power supply supplies power for the temperature sensor. Furthermore, each local ventilator protection control circuit comprises a local ventilator protector BH (MPR 302G), wherein two nodes of X3:3 and X3:4 of the local ventilator protector BH (MPR 302G) are a power supply 24V +, two nodes of X3:15 and two nodes of X3:16 are a common end 24V-, the local ventilator protector BH (MPR 302G) node X2:17 and X2:18 are connected with spindle temperature signals T1 and T2 in a one-to-one correspondence mode, temperature protection signals T2: 19 and X2:20 of a motor of the local ventilator protector BH (MPR 302G) node X2:19 and X2:20 are connected in a one-to-one correspondence mode, a node X1:11 and a node X1:12 of the local ventilator protector BH (MPR 302) are connected with a front fan protection junction BH1, a node X1:7 and a node X1: 368 of the local ventilator protector BH 24V, and a power supply temperature sensor is a power supply sensor. When the fan is started, if the temperature display is normal, the protection contacts BH1 and BH2 are closed, the fan operates normally, if the temperature change is abnormal or exceeds a temperature protection setting value, the protection contacts BH1 and BH2 are opened, and the fan is automatically switched to the standby machine to operate.
Example 2
The temperature monitoring and protecting device for the local ventilator comprises a plurality of local ventilators, temperature sensors are respectively arranged on a main shaft and a motor side of each local ventilator, the temperature sensors are connected with start-stop switches of the local ventilators through local ventilator protection control circuits, each local ventilator protection control circuit comprises a local ventilator protector BH (MPR 302G), two nodes of an X3:3 node and an X3:4 node of the local ventilator protector BH (MPR 302G) are power supplies 24V +, two nodes of an X3:15 node and two nodes of an X3:16 node are common ends 24V-, a local ventilator protector BH (MPR 302G) node X2:17 and an X2:18 node are correspondingly connected with main shaft temperature signals T1 and T2 one by one, the local ventilator protector BH (MPR 302G) node X2:19 and the temperature protection signals T3 and T4 of an X2:20 motor are correspondingly connected one by one, and the local ventilator protector BH (MPR 302G) node X1:11 is correspondingly connected with the local ventilator, The X1:12 is connected with a front fan protection contact BH1, a local fan protector BH (MPR 302G) node X1:7 and X1:8 are connected with a rear fan protection contact BH2, and a 24V power supply supplies power for the temperature sensor. Furthermore, each local ventilator protection control circuit comprises a local ventilator protector BH (MPR 302G), wherein two nodes of X3:3 and X3:4 of the local ventilator protector BH (MPR 302G) are a power supply 24V +, two nodes of X3:15 and two nodes of X3:16 are a common end 24V-, the local ventilator protector BH (MPR 302G) node X2:17 and X2:18 are connected with spindle temperature signals T1 and T2 in a one-to-one correspondence mode, temperature protection signals T3 and T4 of motors of the local ventilator protector BH (MPR 302G) node X2:19 and X2:20 are connected in a one-to-one correspondence mode, a local ventilator protector BH (MPR 302G) node X1:11 and X1:12 are connected with a front fan protection contact BH 302G) 1, and a local ventilator protector BH 302 BH G (MPR 302) node X1:7 and X1:8 are connected with a rear fan protection contact BH 302V 24V power supply sensor, and a power supply sensor is a power supply sensor 3624V. When the fan is started, if the temperature display is normal, the protection contacts BH1 and BH2 are closed, the fan operates normally, if the temperature change is abnormal or exceeds a temperature protection setting value, the protection contacts BH1 and BH2 are opened, and the fan is automatically switched to the standby machine to operate.
Furthermore, the temperature sensor is connected with one end of a temperature transmitter through a data analysis base station, the other end of the temperature transmitter is connected with one end of a central processing unit used for analyzing the temperature of each local fan through a fan monitoring wind station, and the other end of the central processing unit is connected with a dispatching centralized control center.
Preferably, the temperature sensor is a thermocouple temperature sensor or an infrared temperature sensor. The temperature sensor is a data acquisition unit of the system, wherein the thermocouple temperature sensor is fixed on a local ventilator shell by adopting a clamping plate type and is used for monitoring the temperature change of the local ventilator: the infrared temperature sensor can be fixed on the shell of the local ventilator, and can also be fixed on the side of the local ventilator by adopting a bracket or a hard link, and the detection light is aligned to a main shaft or a motor of the local ventilator to monitor the temperature of the local ventilator.
Example 3
The temperature monitoring and protecting device for the local ventilator comprises a plurality of local ventilators, temperature sensors are respectively arranged on a main shaft and a motor side of each local ventilator, the temperature sensors are connected with start-stop switches of the local ventilators through local ventilator protection control circuits, each local ventilator protection control circuit comprises a local ventilator protector BH (MPR 302G), two nodes of an X3:3 node and an X3:4 node of the local ventilator protector BH (MPR 302G) are power supplies 24V +, two nodes of an X3:15 node and two nodes of an X3:16 node are common ends 24V-, a local ventilator protector BH (MPR 302G) node X2:17 and an X2:18 node are correspondingly connected with main shaft temperature signals T1 and T2 one by one, the local ventilator protector BH (MPR 302G) node X2:19 and the temperature protection signals T3 and T4 of an X2:20 motor are correspondingly connected one by one, and the local ventilator protector BH (MPR 302G) node X1:11 is correspondingly connected with the local ventilator, The X1:12 is connected with a front fan protection contact BH1, a local fan protector BH (MPR 302G) node X1:7 and X1:8 are connected with a rear fan protection contact BH2, and a 24V power supply supplies power for the temperature sensor. Furthermore, each local ventilator protection control circuit comprises a local ventilator protector BH (MPR 302G), wherein two nodes of X3:3 and X3:4 of the local ventilator protector BH (MPR 302G) are a power supply 24V +, two nodes of X3:15 and two nodes of X3:16 are a common end 24V-, the local ventilator protector BH (MPR 302G) node X2:17 and X2:18 are connected with spindle temperature signals T1 and T2 in a one-to-one correspondence mode, temperature protection signals T2: 19 and X2:20 of a motor of the local ventilator protector BH (MPR 302G) node X2:19 and X2:20 are connected in a one-to-one correspondence mode, a node X1:11 and a node X1:12 of the local ventilator protector BH (MPR 302) are connected with a front fan protection junction BH1, a node X1:7 and a node X1: 368 of the local ventilator protector BH 24V, and a power supply temperature sensor is a power supply sensor. When the fan is started, if the temperature display is normal, the protection contacts BH1 and BH2 are closed, the fan operates normally, if the temperature change is abnormal or exceeds a temperature protection setting value, the protection contacts BH1 and BH2 are opened, and the fan is automatically switched to the standby machine to operate.
Furthermore, the temperature sensor is connected with one end of a temperature transmitter through a data analysis base station, the other end of the temperature transmitter is connected with one end of a central processing unit used for analyzing the temperature of each local fan through a fan monitoring wind station, and the other end of the central processing unit is connected with a dispatching centralized control center.
Preferably, the temperature sensor is a thermocouple temperature sensor or an infrared temperature sensor. The temperature sensor is a data acquisition unit of the system, wherein the thermocouple temperature sensor is fixed on a local ventilator shell by adopting a clamping plate type and is used for monitoring the temperature change of the local ventilator: the infrared temperature sensor can be fixed on the shell of the local ventilator, and can also be fixed on the side of the local ventilator by adopting a bracket or a hard link, and the detection light is aligned to a main shaft or a motor of the local ventilator to monitor the temperature of the local ventilator.
The local temperature monitoring and early warning system is composed of a built-in temperature monitoring protector and a central temperature early warning protector, wherein the built-in temperature monitoring protector and the central temperature early warning protector are installed inside a control switch of the local ventilator, one end of the built-in temperature monitoring protector is connected with a temperature data collector, the other end of the built-in temperature monitoring protector is connected with an automatic switching system of the local fan, one end of the central temperature early warning protector is connected with the temperature data collector, and the other end of the central temperature early warning protector is connected with a dispatching centralized control center. The local temperature monitoring and early warning system is a reaction mechanism system of a local ventilator temperature monitoring and protecting system and is mainly embodied to send out fault indication through sound and light signals when temperature monitoring data change. When the temperature signal fed back into the switch by the temperature data collector exceeds the early warning value of temperature monitoring protection, the fan switch displays temperature alarm, the temperature protection fault indicator lamp is converted into a red light, and when the temperature continuously rises and exceeds a limit value, the action of the local fan automatic switching system is converted into standby operation, so that the motor of the local fan is protected from being burnt. The central temperature monitoring and early warning protector is a reaction system for data analysis of a central processing unit, mainly aims to predict and evaluate faults before data processing and evaluation, timely sends out an alarm when the temperature value of a local ventilator is abnormal, and feeds an alarm signal back to a dispatching centralized control system.
In view of the complexity and the overall investment of ventilator temperature monitoring protection systems, the following solutions are listed for reference.
The first step is as follows: a temperature protection system is added on the basis of the existing protection. A temperature protection loop is added in the local ventilator to enable the built-in temperature protection device to be put into use in advance, and the temperature data of the local ventilator is brought into a protection range by changing the protection setting in the fan switch.
The second step is that: and additionally arranging a data transmission device on the basis of the first step, transmitting the obtained temperature data into a dispatching centralized control center, setting a local ventilator temperature early warning system, and storing all data for later use.
The third step: after the first two steps are finished, a central processing unit is configured, the previous data are input into the central processing unit, the performance states and the operation conditions of all local ventilators are comprehensively distinguished by using a data analysis technology, and a local ventilator temperature monitoring and protecting system is uniformly established.
The above three steps can be adopted completely or partially, the effect is increased gradually, and the method can be adopted according to the situation.
Claims (4)
1. A local ventilator temperature monitoring protection device is characterized by comprising a plurality of local ventilators, wherein temperature sensors are respectively arranged on a main shaft and a motor side of each local ventilator, the temperature sensors are connected with start-stop switches of the local ventilators through local ventilator protection control circuits, each local ventilator protection control circuit comprises a local ventilator protector BH, two nodes of X3:3 and X3:4 of the local ventilator protector BH are a power supply 24V +, two nodes of X3:15 and two nodes of X3:16 are a common end 24V-, a local ventilator protector BH node X2:17 and an X2:18 are in one-to-one correspondence with main shaft temperature signals T1 and T2, local ventilator protector nodes X2:19 and X2:20 of temperature protection signals T3 and T4 of the motors are in one-to-one correspondence, and local ventilator protector nodes X1:11, BH 26: 11, BH 52 of the local ventilator protector nodes are in one-to one correspondence, The X1:12 is connected with a front fan protection contact BH1, the X1:7 and the X1:8 of a local fan protector BH node are connected with a rear fan protection contact BH2, and a 24V power supply supplies power for the temperature sensor.
2. The local ventilator temperature monitoring and protecting device according to claim 1, wherein the temperature sensor is further connected with one end of a temperature transmitter through a data analysis base station, the other end of the temperature transmitter is connected with one end of a central processing unit for analyzing the temperature of each local ventilator through a ventilator monitoring wind station, and the other end of the central processing unit is connected with a dispatching centralized control center.
3. The local ventilator temperature monitoring protection device of any one of claims 1-2, wherein the temperature sensor is selected from a thermocouple temperature sensor or an infrared temperature sensor.
4. The local ventilator temperature monitoring and protecting device according to claim 1, further comprising a local ventilator temperature monitoring and early warning system, wherein the local ventilator temperature monitoring and early warning system is composed of a built-in temperature monitoring protector and a central temperature early warning protector which are installed inside a local ventilator control switch, one end of the built-in temperature monitoring protector is connected with a temperature data collector, the other end of the built-in temperature monitoring protector is connected with an automatic local ventilator switching system, one end of the central temperature early warning protector is connected with the temperature data collector, and the other end of the central temperature early warning protector is connected with a dispatching centralized control center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586050.7U CN210640683U (en) | 2019-09-23 | 2019-09-23 | Local fan temperature monitoring protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921586050.7U CN210640683U (en) | 2019-09-23 | 2019-09-23 | Local fan temperature monitoring protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210640683U true CN210640683U (en) | 2020-05-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921586050.7U Expired - Fee Related CN210640683U (en) | 2019-09-23 | 2019-09-23 | Local fan temperature monitoring protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210640683U (en) |
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2019
- 2019-09-23 CN CN201921586050.7U patent/CN210640683U/en not_active Expired - Fee Related
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