CN218471451U

CN218471451U - Gas tester training system

Info

Publication number: CN218471451U
Application number: CN202222186814.1U
Authority: CN
Inventors: 刘明; 尚泉屹; 张政飞; 张腾飞
Original assignee: Zhengzhou Shixiang Electronic Technology Co ltd
Current assignee: Zhengzhou Shixiang Electronic Technology Co ltd
Priority date: 2022-08-18
Filing date: 2022-08-18
Publication date: 2023-02-10
Anticipated expiration: 2032-08-18

Abstract

The utility model discloses a gas tester training system, which comprises a box body of the training system; further comprising: set firmly main control board, power converter, pneumatic pump device, pressure sensor, binding post row, solenoid valve in the box to and set firmly air outlet nozzle and the on & off switch at the box lateral wall, the utility model discloses a pneumatic pump device is gone into the air to the light interference formula methane determination ware pump, and provide the methane room pressure of light interference formula methane determination ware according to the pressure value that the training requirement set for, then gas inspection worker observes and reads gas concentration, in order to reach the purpose that the skilled use light interference formula methane determination ware of training gas inspection worker, and the training security is high, this system degree of automation is high, and the box is small, conveniently shifts, and scene adaptability is big.

Description

Gas tester training system

Technical Field

The utility model relates to a gas detection training equipment technical field especially relates to a gas determinator training system.

Background

In the coal mining industry, gas is one of the important factors harming mine safety production, and in order to ensure downhole safety, the gas needs to be monitored, and at present, there are two ways: one is automatic monitoring of an intelligent monitoring system, and a gas sensor in the system carries out real-time monitoring; the other type is manual inspection by a gas inspector, underground gas is inspected by measurement instruments such as a portable optical interference methane tester and the like so as to achieve the purpose of finding potential safety hazards in time, an intelligent monitoring system is high in investment cost, complex in layout design and high in professional requirement of operators needing to be equipped, and errors exist in the system in use, so that most coal mining enterprises adopt manual inspection to find potential safety hazards in gas outburst in time.

According to the safety technology training outline and the assessment standard of coal mine gas inspectors, which are released by the State safety production supervision and administration office at 11/19/2008 and implemented at 01/2009, the professional personnel engaged in the coal mine gas inspection and consolidation work need to carry out safety technology training according to the content specified by the standard, wherein the 5.2.2.4 th part of the ' training outline ' specifies ' mine methane, carbon monoxide and oxygen detection instruments and meters, which mainly comprise the following contents: a) The application, the structure, the working principle, the using method and the using cautions of the optical methane detector, common faults and the elimination method thereof; b) The working principle, the using method and the notice of the portable methane detector; c) The working principle, the using method and the cautions of the carbon monoxide detector; d) The working principle, the using method and the cautions of the portable oxygen detector. The Chinese patent with the application number of '2019207198100' discloses a practical operation device for training mine gas detection personnel, which is characterized by comprising at least two large-capacity gas cylinders and a plurality of operation tables, wherein a gas pressure reducing valve is arranged at the outlet end of each gas cylinder, a gas supply main pipeline is connected to the outlet end of each gas cylinder, a ground cabinet is arranged below each operation table, a panel is fixedly arranged behind the table top of each operation table, a partition is fixedly arranged between the table tops of each operation table, rotameters and pressure gauges which are the same in number as the gas supply main pipelines are arranged on the front surface of each panel, flow adjusting knobs are arranged on the rotameters, a gas supply branch pipe and a gas outlet pipe are correspondingly arranged on each rotameter, a pressure measurement branch pipe, the gas outlet pipe and the pressure measurement branch pipe are arranged on the back surface of the panel, each rotameter is provided with a pressure gauge corresponding to the gas supply main pipeline, a gas inlet arranged on the lower side of the rotameters is communicated with the gas supply main pipeline through the gas supply branch pipe, one end of the pressure measurement branch pipe is connected to the gas outlet pipe on the upper side of the rotameter, the pressure measurement branch pipe, the other end of the pressure measurement branch pipe is connected to the gas supply branch pipe on the panel, and is connected to an air nozzle of the rotameter, and connected to the pressure measurement meter through the pressure gauge on the pressure measurement table, and connected to the pressure measurement branch pipe, and connected to the rotor meter, and connected to the gas supply branch pipe. "the apparatus has the following drawbacks: 1. the training device uses high-concentration methane gas as the used gas, so that potential safety hazards exist; 2. the device is too large in size, only suitable for fixed scenes and small in applicability; 3. the training teaching can not be carried out by matching with the optical interference methane tester, and the training effect on gas inspectors can not be achieved.

SUMMERY OF THE UTILITY MODEL

For solving the problem in the prior art above, the utility model provides a train and use safe gaseous gas apparatus training system to inspection worker's operation light interference formula methane apparatus.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a gas measurement appearance training system, includes training system's box, the host computer of being connected with the box and box lateral wall articulated cabinet door, still includes:

the main control board is fixedly arranged in the box body and used for controlling the normal operation of the whole system;

three air outlet nozzles fixedly arranged at the top of the box body and connected with the optical interference type completion detector;

the pneumatic pump device is fixedly arranged in the box body and comprises a pump body fixed in the box body, a stepping motor connected with the input end of the pump body and a control switch electrically connected with the stepping motor, wherein the control switch is electrically connected with the main control board;

the pump body is of a telescopic structure, an air outlet of the pump body is connected with a main pipeline, the air outlet of the main pipeline is provided with three branch pipelines respectively connected with three air outlet nozzles, each branch pipeline is provided with an electromagnetic valve in communication connection with the main control panel, and the main pipeline is provided with a pressure sensor in communication connection with the main control panel;

still including fixing the power converter in the box, power converter converts 220V municipal voltage into the required operating voltage of master control board, step motor, pressure sensor, solenoid valve.

Further, the pump body passes through the pump frame to be fixed in the box, step motor output shaft key connection have a driving gear, control switch's lateral wall set firmly trigger piece, the pump frame on the fixed three slide rail that is equipped with, the fixed outlet duct that is equipped with the pump body of pump frame left end, pump body left end and outlet duct can dismantle and be connected, the fixed slip pump board that is equipped with of right-hand member, the fixed three limit slide that suits with three slide rail that is equipped with in slip pump board edge, slip pump board left side wall is fixed with an one end open-ended cylindricality section of thick bamboo through the fastener, be provided with the lead screw in the cylindricality section of thick bamboo, the lead screw left end is equipped with the stopper admittedly, the right-hand member passes the pump frame key-type connection and has driven gear, slip pump board central point key connection have the screw nut who matches the use with the lead screw, driven gear and driving gear meshing.

Furthermore, the opening of the cylindrical barrel is fixedly connected with the sliding pump plate to form a closed screw cavity, and the outer side wall of the cylindrical barrel and the pump body form an air cavity.

Furthermore, a stop block is fixedly arranged at the position of the limiting slide block corresponding to the control switch, so that when the pneumatic pump is reset, the stop block pushes against the trigger piece, and the stepping motor stops working.

Further, the box sets firmly the binding post row, power converter arranges through the binding post and provides corresponding voltage with main control board, step motor, pressure sensor, solenoid valve respectively, the main control board arrange through the binding post respectively with step motor, control switch, pressure sensor, solenoid valve electric connection.

Further, first gas outlet nozzle sets firmly the methane gas sensor, and the second gas outlet nozzle sets firmly the mist sensor, methane gas sensor and mist sensor respectively with main control board electric connection.

Furthermore, the side wall of the box body is provided with an on-off key which is electrically connected with the power converter.

Furthermore, an air exhaust device is fixedly arranged on the cabinet door and electrically connected with the power converter through a wiring terminal row.

The utility model has the advantages that: the top of the box body provided by the utility model is fixedly provided with three air outlet nozzles which can be connected with the air inlet pipe of the optical interference type methane adding tester, so as to achieve the purpose of training a gas inspector to use the optical interference type methane tester; the pump body of the air pressure pump is of a telescopic structure, and air is pumped into the optical interference type methane detector in the training process, so that the training safety is improved; the main control board, the power converter, the pneumatic pump device, the pressure sensor, the wiring terminal row, the electromagnetic valve, the air outlet nozzle and the on-off key of the training system are arranged on the box body in a centralized mode, the box body is small in size, convenient to transfer and high in scene adaptability.

Drawings

Fig. 1 is a cross-sectional view of the whole structure of a training system of a gas measuring instrument provided by the present invention;

fig. 2 is a sectional view of the pneumatic pump of the present invention;

fig. 3 is a plan view of the pneumatic pump device of the present invention.

The figures are labeled as follows: 100. a box body; 101. a cabinet door; 102. a main control board; 103. a power converter; 104. a pressure sensor; 105. a first air outlet nozzle; 106. a second air outlet nozzle; 107. a third air outlet nozzle; 200. a pump frame; 201. a slide rail; 205. a first valve body; 206. a second valve body; 207. a third valve body; 300. a pump body; 301. an air outlet pipe; 302. a sliding pump plate; 303. a cylindrical barrel; 304. a driven gear; 400. a stepping motor; 305. a limiting slide block; 306. a stopper; 401. a driving gear; 500. a control switch; 501. a trigger piece; 600. a lead screw; 700. a terminal block; 800. an on-off key; 900. and an air exhaust device.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention can be embodied in many different forms other than those specifically described herein, and it will be apparent to those skilled in the art that similar modifications can be made without departing from the spirit and scope of the invention, and it is therefore not to be limited to the specific embodiments disclosed below.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

The examples are as follows:

as shown in figure 1, a gas tester training system comprises a box body 100 of the training system, a computer connected with the box body 100 and a cabinet door 101 hinged with the side wall of the box body 100, wherein an exhaust device 900 is fixedly arranged on the cabinet door 101, the exhaust device 900 is electrically connected with a power converter 103 through a wiring terminal row 700, the exhaust device 900 adopts a cooling fan with the model of XF-12025-SD-K, the gas tester training system also comprises a main control panel 102 fastened in the box body 100 through bolts, the main control panel 102 is electrically connected with a 485 communication interface for controlling the normal operation of the whole system, three air outlet nozzles which are fastened at the top of the box body 100 through bolts and connected with an optical interference type air addition tester are respectively defined as a first air outlet nozzle 105, a second air outlet nozzle 106 and a third air outlet nozzle 107, a power converter 103 fastened in the box body 100 through bolts, the power converter 103 adopts a guide rail type switch power supply with the model of DR-60V-12, converting 220V municipal voltage into working voltage required by a main control board 102, a stepping motor 400, a pressure sensor 104 and an electromagnetic valve, wherein a switch 800 is fixed on a threaded ring on the side wall of a box 100, the switch 800 is electrically connected with a power converter 103, and a pneumatic pump device is fastened in the box 100 through bolts and comprises a pump body fixed in the box 100, the stepping motor 400 connected with the input end of the pump body 300 and a control switch 500 electrically connected with the stepping motor 400, the control switch 500 is electrically connected with the main control board, the pump body 300 is of a telescopic structure, the air outlet of the pump body 300 is connected with a main pipeline, the air outlet of the main pipeline is provided with three branch pipelines respectively connected with three air outlets, three electromagnetic valves which are respectively defined as a first electromagnetic valve 205, a second electromagnetic valve 205, a third electromagnetic valve and a fourth electromagnetic valve, and the three branch pipelines are respectively connected with the main control board in a communication manner, the pressure sensor 104 is installed on the main pipeline and is in communication connection with the main control board, the pneumatic pump device comprises a pump frame 200 which is fastened on the inner side of the box body 100 through bolts, a pump body 300 which is connected to the pump frame 200, a stepping motor 400 which is fixed on one side of the pump body 300 through fastening screws and a control switch 500 which controls the starting and stopping of the stepping motor 400, the stepping motor 400 adopts a closed-loop stepping motor with the model number of ZLIS42-07, the control switch 500 adopts a stroke limit micro switch with the model number of V-152-1C25, a first electromagnetic valve 205 is arranged on a connecting pipeline between the first air outlet nozzle 105 and the pneumatic pump, a second electromagnetic valve 206 is arranged on a connecting pipeline between the second air outlet nozzle 106 and the pneumatic pump, and a third electromagnetic valve 207 is arranged on a connecting pipeline between the third air outlet nozzle 107 and the pneumatic pump.

As can be seen from the figure, the air outlet of the pressure sensor 104 is communicated with a first pipeline, the air duct connected between the air inlet of the first electromagnetic valve 205 and the air inlet of the second electromagnetic valve 206 is communicated with a second pipeline through a tee joint, the air inlet of the third electromagnetic valve 207 is communicated with a third pipeline, the first pipeline, the second pipeline and the third pipeline are communicated with the air duct on the pneumatic pump through stethon joints, and the first electromagnetic valve 205, the second electromagnetic valve 206 and the third electromagnetic valve 207 are all electromagnetic valves; a terminal block 700 is fastened in the box body 100 through screws, the power converter 103 respectively provides correspondence with the main control board 102, the stepping motor 400, the pressure sensor 104, the first electromagnetic valve 205, the second electromagnetic valve 206 and the third electromagnetic valve 207 through the terminal block 700, and the main control board 102 is respectively electrically connected with the stepping motor 400, the pressure sensor 104, the first electromagnetic valve 205, the second electromagnetic valve 206 and the third electromagnetic valve 207 through the terminal block 700;

as shown in fig. 1-3, an output shaft of the stepping motor 400 is keyed with a driving gear 401, a side wall of the control switch 500 is fixedly provided with a trigger piece 501, the pump stand 200 is fixedly provided with three slide rails 201, the left end of the pump stand 200 is fixedly provided with an air outlet pipe 301 of the pump body 300, the left end of the pump body 300 is detachably connected with the air outlet pipe 301, the right end of the pump body is fixedly provided with a sliding pump plate 302, the edge of the sliding pump plate 302 is fixedly provided with three limit sliders 305 corresponding to the three slide rails 201, the left side wall of the sliding pump plate 302 is fixedly provided with a cylindrical barrel 303 with an open end through a fastener, a lead screw 600 is arranged in the cylindrical barrel 303, the left end of the lead screw 600 is fixedly provided with a limit block, the right end of the lead screw passes through the key of the pump stand 200 to be connected with a driven gear 304, the central position of the sliding pump plate 302 is keyed with a lead screw nut 601 matched with the lead screw 600 for use, the driven gear 304 is engaged with the driving gear 401, the opening of the cylindrical barrel 303 is fixedly connected with the sliding pump plate 302 to form a sealed lead screw cavity, the outer side wall of the cylindrical barrel 303 and forms an air cavity with the pump body 300, the pump body 300 is of the extensible structure, the limit slider 305 corresponding to be fixedly provided with a stop block 306 for the stop of the stepping motor 400 when the pneumatic pump 500 is reset 306.

The training system controls a main control board to control a stepping motor 400, a pressure sensor 104, a first electromagnetic valve 205, a second electromagnetic valve 206, a third electromagnetic valve 207 and a pressure sensor 104 through an upper computer, sets a pressure value of an air pressure pump device to an optical interference methane measuring device through the system, then connects the optical interference methane measuring device to a simulated methane gas detection port, the gas sensor at the simulated methane gas detection port receives a signal, after receiving the signal of the simulated methane interface detection sensor, computer software confirms that the connection is correct and meets conditions, the system randomly gives a pressure value and a corresponding valve body serial number, the pressure value and the corresponding valve body serial number are sent to the main control board 102 through a 485 communication interface, the main control board 102 controls a second valve body and a third valve body to be closed, the first valve body to be opened, and simultaneously controls a forward rotation motor to pressurize a pump body 300 of the air pressure pump, as the first pipeline connected with the pressure sensor 104 is communicated with a second pipeline of the first valve body and an air guide pipe of the air pressure pump, the pressure value collected by the pressure sensor 104 is the real-time of a methane chamber in the optical interference methane measuring device, the pressure sensor 104 is sent back to the main control board 102 through a real-time communication transmission line, and the main control system, when the pressure value collected by the main control board 102, the main control system, the main control board 102, the main control board compares the actual pressure value with the actual forward rotation motor 102, and the actual forward rotation motor 102, the pressure value of the pressure value, the pressure value collected by the main control board 102, and the upper computer; the pipeline system is kept closed at the moment, and the gas concentration corresponding to the pressure can be read from the optical interference type methane detector under the condition of keeping the same pressure value; inputting the read concentration value into a corresponding position in a computer system, judging whether the input numerical value is correct by the system after submitting, selecting other pressure values to carry out training operation if the input numerical value is correct, and not replacing the pressure values if the input numerical value is incorrect, and carrying out the training operation again; after the training is completed, in order to prolong the service life of the pressure pump, the pressure pump needs to be reset, the computer sends a pressure pump reset control signal and a control signal for opening the third electromagnetic valve 207 to the main control board 102 through the 485 interface, the main control board 102 controls the stepping motor 400 to rotate reversely, when the stop block 306 on the limit slide block 305 collides with the trigger sheet 501 on the side wall of the control switch 500, the main control board 102 sends a control signal to control the first electromagnetic valve 205 to be closed, the third electromagnetic valve 207 is opened, the pressure of the first pipeline, the pressure of the second pipeline and the pressure of the third pipeline are released, and the same air pressure as the atmosphere is maintained.

In summary, the following steps: the utility model discloses the security is high, and system automation degree is high, and the box is small, convenient the transfer, and scene adaptability is big.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, it will be obvious to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not to be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a gas determinator training system, includes training system's box, the host computer of being connected with the box and box lateral wall articulated cabinet door, its characterized in that:

further comprising:

the pneumatic pump device is fixedly arranged in the box body and comprises a pump body fixed in the box body, a stepping motor connected with the input end of the pump body and a control switch electrically connected with the stepping motor, and the control switch is electrically connected with the main control board;

2. The gas meter training system of claim 1, wherein: the pump body passes through the pump frame to be fixed in the box, step motor output shaft key connection have a driving gear, control switch's lateral wall set firmly trigger piece, the pump frame on the fixed three slide rail that is equipped with, the fixed outlet duct that is equipped with the pump body of pump frame left end, pump body left end and outlet duct can dismantle and be connected, the fixed slip pump board that is equipped with of right-hand member, the fixed three spacing slider that suits with three slide rail that is equipped with in slip pump board edge, slip pump board left side wall is fixed with an one end open-ended cylindricality section of thick bamboo through the fastener, be provided with the lead screw in the cylindricality section of thick bamboo, the lead screw left end is equipped with the stopper admittedly, the right-hand member passes the pump frame key-type connection and has driven gear, slip pump board central point of location key connection have the screw nut who matches the use with the lead screw, driven gear and driving gear meshing.

3. The gas meter training system of claim 2, wherein: the opening of the cylindrical barrel is fixedly connected with the sliding pump plate to form a closed screw cavity, and the outer side wall of the cylindrical barrel and the pump body form an air cavity.

4. The gas meter training system of claim 2, wherein: the position of the limit slide block corresponding to the control switch is fixedly provided with a stop block, so that when the pneumatic pump is reset, the stop block abuts against the trigger piece, and the stepping motor stops working.

5. The gas meter training system of claim 1, wherein: the box sets firmly has the binding post row, power converter passes through the binding post row and provides corresponding voltage with main control board, step motor, pressure sensor, solenoid valve respectively, the main control board passes through the binding post row respectively with step motor, control switch, pressure sensor, solenoid valve electric connection.

6. The gas meter training system of claim 1, wherein: the side wall of the box body is provided with an on-off key, and the on-off key is electrically connected with the power converter.

7. The gas meter training system of claim 1, wherein: and the cabinet door is fixedly provided with an air exhaust device which is electrically connected with the power converter through a wiring terminal row.