Background
The safety of coal mine construction is always an important subject of the coal mining industry, and the guarantee of the safety of underground operation is also clearly specified in the relevant national standards.
In the prior art, in order to ensure the safety of downhole operation and avoid explosion accidents or to cut off the explosion in time after the explosion accidents occur, an automatic explosion-proof device is generally required to be installed in a downhole roadway.
However, the automatic explosion-proof device in the prior art is easily damaged in the complex environment in the well and cannot be normally used, so that once an explosion accident occurs, the automatic explosion-proof device cannot effectively block the continuation of the explosion, and destructive destruction and striking are brought to the whole underground construction. This is a disadvantage of the prior art.
In view of the above, the utility model provides a pressure monitoring system for colliery automatic flame proof device; it is very necessary to solve the above-mentioned defects existing in the prior art.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the existence among the above-mentioned prior art because automatic flame proof device is impaired easily in complicated environment in the pit and leads to unable normal use, when leading to the explosion occurence of failure, automatic flame proof device can not effectively block continuation of explosion, will bring devastating destruction and the technical defect who strikes to whole underground construction, provides the pressure monitoring system who designs an automatic flame proof device in colliery to solve above-mentioned technical problem.
In order to achieve the above purpose, the utility model provides the following technical scheme:
a pressure monitoring system for an automatic explosion-proof device of a coal mine comprises:
the pressure transmitter is arranged on the automatic explosion-proof device and connected with a substation controller, the pressure transmitter is connected with a downhole direct-current power supply, and the pressure transmitter transmits collected pressure data in the automatic explosion-proof device to the substation controller; the underground direct current power supply supplies power to the substation controller; the substation controller is also connected with an underground network switch, collects pressure data monitored by each pressure transmitter and transmits the collected pressure data to the underground network switch, and the underground network switch is also connected with an underground direct-current power supply which supplies power to the underground network switch;
the underground network switch is connected to the aboveground network switch, and the aboveground network switch collects pressure data transmitted by each underground network switch; the aboveground network switch is connected with an industrial personal computer and transmits the collected pressure data to the industrial personal computer; the industrial personal computer is connected with a display.
Preferably, the aboveground network switch is also connected with an aboveground direct-current power supply; and the direct current power supply on the well supplies power to the network switch on the well.
Preferably, the direct current power supply on the well is further connected with a 220V alternating current charging power supply, and the direct current power supply is charged and supplied with power through the 220V alternating current charging power supply.
Preferably, the 220V alternating current charging power supply is also connected with a power supply lightning arrester; the 220V alternating current charging power supply is protected and prevented from being damaged by lightning.
Preferably, the 220V alternating-current charging power supply is further connected with a UPS (uninterrupted power supply), the UPS is connected to a standby machine, and the standby machine is connected to the industrial personal computer; and after the industrial personal computer fails, the standby machine temporarily replaces the industrial personal computer to process data.
Preferably, the industrial personal computer is also connected with a Bluetooth alarm module and a short message alarm module, and the Bluetooth alarm module transmits alarm information to the local alarm through Bluetooth data transmission; the short message alarm module sends alarm data information to a mobile phone of a worker in a short message mode; the possibility of obtaining the alarm signal by double alarm.
Preferably, the display is also connected with a printer; and the related data can be printed conveniently and timely.
Preferably, the optical cable is adopted for transmission between the substation controller and the underground network switch; the reliability and the safety of data transmission are improved.
Preferably, the underground network switch and the aboveground network switch are transmitted by adopting an optical cable; the reliability and the safety of data transmission are improved.
Preferably, backup transmission of data is carried out between the substation controller and the underground network switch in an infrared data transmission mode; ensuring that data can be communicated to the downhole network switch via the substation controller.
Preferably, the industrial personal computer is also connected with a memory; and storing the received pressure output data information.
Preferably, when the pressure transmitter uploads the pressure data, the position data information of the pressure transmitter is uploaded synchronously; the automatic explosion-proof device is convenient to accurately position.
The utility model has the advantages that the pressure data information in the automatic explosion-proof device is collected, the collected pressure data information is uploaded through a layer-by-layer network, the industrial personal computer compares the data after receiving the data of the pressure transmitter, the known data comparison circuit in the prior art can be adopted to realize the comparison of the pressure data value and the normal threshold value, and the alarm module gives an alarm when the pressure data value is lower than the normal threshold value; the fact monitoring to the automatic flame-proof device is realized, and the automatic flame-proof device which is damaged or cannot be normally used is subjected to alarm processing so as to be replaced in time.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Therefore, compared with the prior art, the utility model has the outstanding substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings by way of specific examples, which are illustrative of the present invention and are not limited to the following embodiments.
As shown in fig. 1, the pressure monitoring system for an automatic explosion suppression device in a coal mine provided in this embodiment includes:
the pressure transmitter 1 is arranged on the automatic explosion-proof device, the pressure transmitter 1 is connected with a substation controller 2, the pressure transmitter 2 is connected with a downhole direct-current power supply 3, and the pressure transmitter 2 transmits the acquired pressure data in the automatic explosion-proof device to the substation controller 2; when the pressure transmitter uploads the pressure data, the position data information of the pressure transmitter is uploaded synchronously; the automatic explosion-proof device is convenient to accurately position.
The underground direct current power supply supplies power to the substation controller; the substation controller 2 is also connected with an underground network switch 4, the substation controller 2 collects pressure data monitored by each pressure transmitter and transmits the collected pressure data to the underground network switch, the underground network switch 4 is also connected with an underground direct current power supply 3, and the underground direct current power supply 3 supplies power to the underground network switch;
the underground network switch 4 is connected to an aboveground network switch 5, and the aboveground network switch 5 collects pressure data transmitted by each underground network switch; the aboveground network switch is connected with an industrial personal computer 6, and transmits the collected pressure data to the industrial personal computer 6; the industrial personal computer 6 is connected with a display 7. The display is also connected with a printer 14; and the related data can be printed conveniently and timely. The industrial personal computer 6 is also connected with a Bluetooth alarm module 12 and a short message alarm module 13, and the Bluetooth alarm module transmits alarm information to a local alarm through Bluetooth data transmission; the short message alarm module sends alarm data information to a mobile phone of a worker in a short message mode; the possibility of obtaining the alarm signal by double alarm.
The aboveground network switch 5 is also connected with an aboveground direct-current power supply 16; the direct current power supply on the well supplies power to the network switch on the well; the direct current power supply 16 on the well is also connected with a 220V alternating current charging power supply 8, and the direct current power supply is charged and supplied with power through the 220V alternating current charging power supply; the 220V alternating current charging power supply 8 is also connected with a power supply lightning arrester 9; the 220V alternating current charging power supply is protected and prevented from being damaged by lightning.
The 220V alternating-current charging power supply 8 is also connected with a UPS power supply 10, the UPS power supply is connected to a standby machine 11, and the standby machine 11 is connected to the industrial personal computer 6; and after the industrial personal computer fails, the standby machine temporarily replaces the industrial personal computer to process data.
The optical cable transmission is adopted between the substation controller and the underground network switch; the reliability and the safety of data transmission are improved; the underground network switch and the aboveground network switch are transmitted by adopting an optical cable; the reliability and the safety of data transmission are improved; backup transmission of data is also carried out between the substation controller and the underground network switch in an infrared data transmission mode; ensuring that data can be communicated to the downhole network switch via the substation controller.
The industrial personal computer is also connected with a memory 15; storing the received pressure output data information;
the above disclosure is only for the preferred embodiments of the present invention, but the present invention is not limited thereto, and any person skilled in the art can think of the inventive changes, and several improvements and decorations made without departing from the principle of the present invention should fall within the protection scope of the present invention.