CN214480337U - Multifunctional comprehensive protector for mine two-loop electromagnetic starter - Google Patents

Abstract

The utility model belongs to the technical field of colliery underground equipment, concretely relates to electromagnetic starter comprehensive protection device. The multifunctional mining two-loop electromagnetic starter comprehensive protection device comprises a driving mechanism for driving a coal mine underground load and a starter for controlling the driving mechanism, wherein the driving mechanism comprises two independent motors, each motor is connected with a driving end of the load through a transmission mechanism, a control end of each motor is connected with the starter, two rotating speed sensors for detecting the rotating speeds of the two motors are connected with a signal input end of the starter, and the starter is further connected with a local control console. The utility model discloses adopt two independent motors to drive respectively same colliery load in the pit, can switch over the work at any time according to the condition through the starter to guarantee colliery load in the pit purpose of working in real time.

Description

Multifunctional comprehensive protector for mine two-loop electromagnetic starter

Technical Field

The utility model belongs to the technical field of colliery underground equipment, concretely relates to electromagnetic starter comprehensive protection device.

Background

Coal mine resources in China are generally buried deeply, underground well work exploitation is taken as a main point, a large amount of underground mine inflow water is inevitably discharged in the coal mine exploitation process, and gas in the coal mine is also required to be discharged because the gas in the coal mine is generated. Due to the severe environment factors under the coal mine, continuous work is required in the process of water drainage or gas drainage, and once the operation is stopped due to faults, certain potential safety hazards are caused. In particular, when the gas is discharged, the gas has a certain explosion risk after the gas discharge is stopped for a certain time.

SUMMERY OF THE UTILITY MODEL

To the above technical problem, aim at provides a multi-functional mining two return circuits electromagnetic starter integrated protection device.

Multifunctional mining two return circuit electromagnetic starter integrated protection device, including the actuating mechanism who is used for driving colliery load in the pit, be used for control actuating mechanism's starter, actuating mechanism includes two independent motors, every the motor all connects the drive end of load, every through drive mechanism the control end of motor all connects the starter, the signal input part of starter connects two and is used for detecting two the tachometric sensor of motor speed, the control cabinet on the spot is still connected to the starter.

The utility model discloses during the use, two independent motors are one as low-speed motor, and one is as high-speed motor, and different work need start the colliery when loading in the pit, can be through starting low-speed motor earlier, when rotation sensor detected its rotational speed and reached preset rotational speed threshold value, opened high-speed motor and stopped low-speed motor, realizes the start-up purpose. When reversible work is needed to be realized, when the current working motor is stopped, the other motor can be reversely started to realize reversibility. When one motor works normally, the other motor is used as a backup motor to continuously work the load in the severe environment under the coal mine. In addition, the operation conditions of the two motors can be checked through the local console.

The motor is also provided with a motor surface temperature sensor for detecting the surface temperature of the motor and a motor rotor temperature sensor for detecting the temperature of the motor rotor, and the signal output end of the motor surface temperature sensor and the signal output end of the motor rotor temperature sensor are respectively connected with the starter. The sensor is arranged on each motor so as to monitor the temperature information of the motor during working, and once any motor is higher than a preset temperature threshold value, the two motors which are mutually independent can be switched through the starter, so that the real-time working of the load is guaranteed.

The motor is characterized in that a vertical vibration sensor is arranged at the bottom of a motor shell of the motor, a horizontal vibration sensor is arranged on the side wall of the motor shell of the motor, and a signal output end of the vertical vibration sensor and a signal output end of the horizontal vibration sensor are respectively connected with the starter. When the vibration of the bottom or the side wall of the motor is larger than a preset vibration threshold value, the motor is considered to work abnormally, and the motor can be controlled to switch to operate through the starter at the moment, so that the real-time work of the load is guaranteed.

The environment gas sensor, the environment temperature sensor and the environment smoke sensor are connected with the pump room controller;

the pump room controller is connected with the local console.

The starter and the pump room controller are respectively in signal connection with the local console in an RS485 or wireless mode;

the local console is connected with the underground switch in a wired mode, and the underground switch is connected with the ground switch in a wired mode.

The starter and the pump room controller respectively comprise a power supply module and a microprocessor, the microprocessor is respectively connected with a communication module, a relay output module, a switching value acquisition module, an analog value acquisition module and a liquid crystal display, and the power supply output end of the power supply module is respectively connected with the microprocessor, the communication module, the relay output module, the switching value acquisition module and the analog value acquisition module;

the microprocessor adopts a singlechip, and the communication module is the RS485 communication module or the wireless communication module.

The communication module, the relay output module and the switching value acquisition module are respectively connected with the microprocessor through a photoelectric isolation module.

Has the advantages that: the utility model discloses adopt two independent motors to drive respectively same colliery load in the pit, can switch over the work at any time according to the condition through the starter to guarantee colliery load in the pit purpose of working in real time.

Drawings

Fig. 1 is a schematic view of an overall connection of the present invention;

fig. 2 is a schematic connection diagram of the starter of the present invention;

fig. 3 is an internal logic connection diagram of the starter of the present invention.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further explained with reference to the specific drawings.

Referring to fig. 1 to 3, the multifunctional mining two-loop electromagnetic starter comprehensive protection device comprises a driving mechanism for driving a coal mine underground load 1 and a starter 3 for controlling the driving mechanism, wherein the driving mechanism comprises two independent motors 21 and 22, each motor is connected with a driving end of the load 1 through a transmission mechanism, a control end of each motor is connected with the starter 3, and a signal input end of the starter 3 is connected with two rotation speed sensors for detecting rotation speeds of the two motors.

The motor is also provided with a motor surface temperature sensor for detecting the surface temperature of the motor and a motor rotor temperature sensor for detecting the temperature of the motor rotor, and the signal output end of the motor surface temperature sensor and the signal output end of the motor rotor temperature sensor are respectively connected with the starter 3. All set up above-mentioned sensor so that the temperature information of its during operation of control to every motor, in case when arbitrary motor is higher than predetermined temperature threshold, accessible starter 3 switches two motors independent each other, guarantees the real-time work of load 1. The bottom of the motor shell of the motor is provided with a vertical vibration sensor, the side wall of the motor shell of the motor is provided with a horizontal vibration sensor, and the signal output end of the vertical vibration sensor and the signal output end of the horizontal vibration sensor are respectively connected with a starter 3. When the vibration of the bottom or the side wall of the motor is larger than a preset vibration threshold value, the motor is considered to work abnormally, and the motor can be controlled to switch to operate through the starter 3, so that the real-time work of the load 1 is guaranteed.

The utility model discloses during the use, two independent motors are one as low-speed motor, and one is as high-speed motor, and different work need start colliery load 1 in the pit, can be through starting low-speed motor earlier, when rotation sensor detected its rotational speed and reached preset rotational speed threshold value, opened high-speed motor and stopped low-speed motor, realized the start-up purpose. When reversible work is needed to be realized, when the current working motor is stopped, the other motor can be reversely started to realize reversibility. When one motor works normally, the other motor is used as a backup motor to continuously work the load 1 in the severe environment under the coal mine.

The environment gas sensor, the environment temperature sensor and the environment smoke sensor are connected with the pump room controller 4; the pump room controller 4 is connected to the local console 5.

Referring to fig. 1, the starter 3 and the pump room controller 4 are respectively in signal connection with the local console 5 in an RS485 or wireless mode, and the operation conditions of the two motors can be checked through the local console 5. The local control station 5 is connected to the downhole switch 6 by wire, and the downhole switch 6 is connected to the surface switch 7 by wire.

Referring to fig. 2 and 3, the starter 3 and the pump room controller 4 both include a power module 81 and a microprocessor 82, the microprocessor 82 is respectively connected to a communication module 83, a relay output module 84, a switching value acquisition module 85, an analog value acquisition module 86 and a liquid crystal display 87, and a power output end of the power module 81 is respectively connected to the microprocessor 82, the communication module 83, the relay output module 84, the switching value acquisition module 85 and the analog value acquisition module 86; the microprocessor 82 adopts a single chip microcomputer, and the communication module 83 is an RS485 communication module or a wireless communication module 83. The communication module 83, the relay output module 84 and the switching value acquisition module 85 are respectively connected with the microprocessor 82 through photoelectric isolation modules. In addition, the local control console 4 can adopt a centralized control console used in the underground coal mine in the prior art. The alarm device further comprises an alarm device, and the control end of the alarm device is connected with the centralized control console. The local abnormity warning function can be realized through the alarm.

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 foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention 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 (7)

1. The utility model provides a two return circuit electromagnetic starter integrated protection devices for multi-functional mining, is including the actuating mechanism that is used for driving colliery load in the pit, be used for control actuating mechanism's starter, its characterized in that, actuating mechanism includes two independent motors, every the motor all connects the drive end of load through drive mechanism, every the control end of motor all connects the starter, the signal input part of starter connects two and is used for detecting two the tachometric sensor of motor speed, the control cabinet on the spot is still connected to the starter.

2. The multifunctional comprehensive protection device for the mine two-loop electromagnetic starter according to claim 1, wherein a motor surface temperature sensor for detecting the surface temperature of the motor and a motor rotor temperature sensor for detecting the temperature of the motor rotor are respectively arranged on the motor, and a signal output end of the motor surface temperature sensor and a signal output end of the motor rotor temperature sensor are respectively connected with the starter.

3. The multifunctional comprehensive protection device for the mine two-loop electromagnetic starter according to claim 1, wherein a vertical vibration sensor is arranged at the bottom of a motor shell of the motor, a horizontal vibration sensor is arranged on a side wall of the motor shell of the motor, and a signal output end of the vertical vibration sensor and a signal output end of the horizontal vibration sensor are respectively connected with the starter.

4. The multifunctional comprehensive protection device for the mine two-loop electromagnetic starter as claimed in claim 1, 2 or 3, further comprising an environmental gas sensor for detecting the gas concentration of the pump room, an environmental temperature sensor for detecting the environmental temperature of the pump room and an environmental smoke sensor for detecting the environmental smoke of the pump room, wherein the environmental gas sensor, the environmental temperature sensor and the environmental smoke sensor are connected with a pump room controller;

the pump room controller is connected with the local console.

5. The multifunctional comprehensive protection device for the mine two-loop electromagnetic starter as claimed in claim 4, wherein the starter and the pump room controller are respectively in signal connection with the local console in an RS485 or wireless manner;

the local console is connected with the underground switch in a wired mode, and the underground switch is connected with the ground switch in a wired mode.

6. The multifunctional comprehensive protection device for the mine two-loop electromagnetic starter as claimed in claim 4, wherein the starter and the pump room controller each comprise a power module and a microprocessor, the microprocessor is respectively connected with a communication module, a relay output module, a switching value acquisition module, an analog value acquisition module and a liquid crystal display, and a power output end of the power module is respectively connected with the microprocessor, the communication module, the relay output module, the switching value acquisition module and the analog value acquisition module;

the microprocessor adopts a singlechip, and the communication module is the RS485 communication module or the wireless communication module.

7. The multifunctional comprehensive protection device for the mine two-loop electromagnetic starter according to claim 6, wherein the communication module, the relay output module and the switching value acquisition module are respectively connected with the microprocessor through photoelectric isolation modules.

Images