CN203117009U - Automatic sampling device for underground gas of coal mine - Google Patents
Automatic sampling device for underground gas of coal mine Download PDFInfo
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- CN203117009U CN203117009U CN 201220720751 CN201220720751U CN203117009U CN 203117009 U CN203117009 U CN 203117009U CN 201220720751 CN201220720751 CN 201220720751 CN 201220720751 U CN201220720751 U CN 201220720751U CN 203117009 U CN203117009 U CN 203117009U
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- outlet pipe
- gas
- air inlet
- sampling device
- glass tube
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Abstract
The utility model relates to an automatic sampling device for underground gas of coal mine. The automatic sampling device comprises a glass pipe (1) with scales, an upper shell cover (2), a lower shell cover (3), a gas inlet and outlet pipe (4), a gas inlet and outlet valve (5), electromagnetic valves (6a and 6b), a water inlet and outlet pipe (7), a three-way angle valve (8), a liquid level sensor (9), a signal conditioning circuit, a singlechip control module and an input module, wherein the upper shell cover (2) and the lower shell cover (3) are respectively arranged at the two ends of the glass pipe (1); the liquid level sensor (9) is arranged on the lower shell cover (3) and is connected with the signal conditioning circuit; and the signal conditioning circuit and the input module are respectively connected with the singlechip control module. The automatic sampling device can be preset simply according to required values and sample precisely, and reliable relevant data can be obtained by experimenters without calculating and observing by naked eyes; the automatic control measurement and data display of gas sampling are realized; and the characteristics of convenience, reliability, stability and the like of the device are realized.
Description
Technical field
The utility model relates to a kind of gas treatment equipment, especially relates to a kind of automatic sampling device of coal mine gas gas, belongs to the technical field of automatic control.
Background technology
In the production operation in colliery, for effectively carrying out production operation, avoiding the generation of peril, need measure related parameter is arranged, and methane gas concentration is one of important parameter that must detect, so often need take a sample to fire damp gas.
The main body of methane gas sampler is the glass tube that contains certain sectional area under the existing well, the end socket that respectively has an organic glass to make can have scale on the glass tube up and down, and unit is mm, upper cover has a port, and low head has a water inlet pipe and water outlet pipe and a water drain valve.
Make by the low head water inlet pipe earlier before its sampling and dash full distilled water in the glass tube, the emptying air, successively open air admission hole and water drain valve then in the down-hole, with in following mine gas tail pipe of suction function, close water drain valve and air admission hole when gas surpasses desirable value when sucking.When in the laboratory gas being taken a sample, read the scale value of the water surface earlier and write down, the back is pressed in the experimental analysis vessel to discharge gas and will discharge gas to Guan Zhongchong distilled water by water inlet pipe, examine the valve of closing water inlet pipe and water outlet pipe and vent port when water level rises to certain altitude when observing, and the difference in height before and after the water inlet can be calculated by the gas capacity of needs and the sectional area of glass tube.After experiment finished, the water drain valve of bottom of outwarding winding was drained remaining distilled water.
There is following shortcoming during this device sampling:
(1) can not realize automatic control and the measurement of taking a sample;
(2) each sampling all needs to calculate difference in height according to desirable value, uses inconvenient;
(3) water surface scale value needs naked eyes to go to read, and greatly reduces the accuracy of sampling value;
Switch needs manual operation when (4) taking a sample, easily owing to the untimely error that causes of operation
Related data can't show when (5) taking a sample.
Summary of the invention
The technical problems to be solved in the utility model is at the defective of pointing out in the above-mentioned background technology, a kind of coal mine gas gas automatic sampling device is provided, the methane gas sampler is owing to adopted liquid level sensor, MSP430F149 single chip control module etc., gas sample can also accurately be sampled according to desirable value is simply default, and the experimenter need not to calculate and visual inspection, can obtain reliable related data.
The utility model solves the problems of the technologies described above and adopts following technical scheme:
A kind of coal mine gas gas automatic sampling device comprises glass tube, upper cover, low head, air inlet-outlet pipe, air inlet and exhaust valve, water inlet pipe and water outlet pipe, the threeway angle valve of being with scale, and wherein upper cover and low head are separately positioned on the two ends of glass tube; Described air inlet-outlet pipe one end runs through upper cover and stretches in the glass tube, and the other end extends outside glass tube, and is provided with air inlet and exhaust valve at the other end of this air inlet-outlet pipe; Described water inlet pipe and water outlet pipe one end runs through low head and stretches in the glass tube, the other end extends outside glass tube, and be provided with the threeway angle valve at the other end of this water inlet pipe and water outlet pipe, it is characterized in that: also comprise liquid level sensor, signal conditioning circuit, single chip control module, load module, described liquid level sensor is arranged on the low head and with signal conditioning circuit and is connected, and described signal conditioning circuit, load module are connected with single chip control module respectively.
As a kind of optimal technical scheme of the present utility model: also comprise two solenoid valves, one of them solenoid valve is arranged on the upper end that is positioned at air inlet and exhaust valve on the air inlet-outlet pipe, another solenoid valve is arranged on the end of water inlet pipe and water outlet pipe, and described two solenoid valves are connected with one-chip computer module respectively.
As a kind of optimal technical scheme of the present utility model: also comprise a LCD MODULE, described LCD MODULE is connected with single chip control module.
As a kind of optimal technical scheme of the present utility model: described single chip control module comprises that a model is the single-chip microcomputer of MSP430F149.
As a kind of optimal technical scheme of the present utility model: described LCD MODULE comprises that a model is the LCD of LCD12864.
The utility model takes such scheme can produce following beneficial effect:
The utility model has overcome the above-mentioned existing shortcoming that complicated operation, sampling value are inaccurate, data can't show that exists with device.The sampling of device down-hole the time is still used original method, but can realize automatic control when take a sample in the laboratory, and can realize the related data demonstration.Described device can obtain the exact value of water surface elevation by liquid level sensor, then can be obtained gas sample value accurately by the variation of water surface elevation when sampling.And can realize the default of sampling value, and single chip control module can be according to the Push And Release of presetting duty control solenoid valve realizing the accurate sampling of gas by load module such as keyboard.Gas gross, default sampling value, the current gas flow that has taken out and intraluminal fluid position height in the current glass tube when LCD display of device can show sampling in real time, so can grasp the dynamic change of gas in the pipe constantly, conveniently repeatedly take a sample and data analysis.
The utility model methane gas sampler is owing to adopted liquid level sensor, MSP430F149 single chip control module etc., gas sample can also accurately be sampled according to desirable value is simply default, and the experimenter need not to calculate and visual inspection, can obtain reliable related data, realized that the automatic control survey of gas sample and data show, really realized the convenience of device, characteristics such as reliable, stable.
Description of drawings
Fig. 1 is the structural drawing of a kind of coal mine gas gas automatic sampling device of the present utility model.
Wherein label is explained: 1-glass tube, 2-upper cover, 3-low head, the 4-air inlet-outlet pipe, 5-air inlet and exhaust valve, 6a, the 6b-solenoid valve, 7-water inlet pipe and water outlet pipe, 8-threeway angle valve, the 9-liquid level sensor, 10-top 0mm scale, 11-bottom 500 mm scales, 12-0. 400 mm scales, 13-signal wire, 14-Measurement and Control System, 15-plug formula electric wire connecting junction, the 16-power supply.
Fig. 2 is the module diagram of a kind of coal mine gas gas automatic sampling device of the present utility model.
Fig. 3 is the control panel figure of the utility model device.
Embodiment
As shown in Figure 1, the utility model has designed a kind of coal mine gas gas automatic sampling device, comprise glass tube 1, upper cover 2, low head 3, air inlet-outlet pipe 4, air inlet and exhaust valve 5, water inlet pipe and water outlet pipe 7, the threeway angle valve 8 of being with scale, wherein upper cover 2 and low head 3 are separately positioned on the two ends of glass tube 1; Described air inlet-outlet pipe 4 one ends run through upper cover 3 and stretch in the glass tube 1, and the other end extends outside glass tube 1, and is provided with air inlet and exhaust valve 5 at the other end of this air inlet-outlet pipe 4; Described water inlet pipe and water outlet pipe 7 one ends run through low head 3 and stretch in the glass tube 1, the other end extends outside glass tube 1, and be provided with threeway angle valve 8 at the other end of this water inlet pipe and water outlet pipe 7, also comprise liquid level sensor 9, signal conditioning circuit, single chip control module, load module, described liquid level sensor 9 is arranged on the low head 3 and with signal conditioning circuit and is connected, and described signal conditioning circuit, load module are connected with single chip control module respectively.In addition, also comprise two solenoid valves, one of them solenoid valve 6a is arranged on the upper end that is positioned at air inlet and exhaust valve 5 on the air inlet-outlet pipe 4, and another solenoid valve 6b is arranged on the end of water inlet pipe and water outlet pipe 7, and described two solenoid valves are connected with one-chip computer module respectively; Also comprise a LCD MODULE, described LCD MODULE is connected with single chip control module.
The module of this device is used liquid level sensor as shown in Figure 2, can obtain the altitude information of water level by liquid level sensor, and handles with data by the automatic control of single-chip microcomputer, has realized the automatic sampling of gas, and has shown related data in real time.Wherein, single chip control module can adopt a kind of structure of MSP430F149 single-chip microcomputer; LCD MODULE can adopt a kind of structure of LCD12864 LCD.This device can be keyed in default gas value by load module, realizes the default of sampling value by keyboard, and the control panel of key entry as shown in Figure 3.
The course of work of the present utility model is as follows:
1. aboveground glass tube the injecting process:
(1) water inlet pipe and water outlet pipe is connected with the distillation water pipe;
(2) open air inlet and exhaust valve and threeway angle valve, distilled water is pressed in the glass tube;
(3) observe till the air inlet-outlet pipe water outlet, be full of distilled water in the expression pipe, stop water filling, close air inlet and exhaust valve and triangle vavle.
2. fire damp gas sample process:
Bring the sampler of filling with water into the well sampling working point and carry out the methane gas sampling:
(1) respectively Inlet and outlet water threeway angle valve and air inlet and exhaust valve are opened;
(2) distilled water in the glass tube is discharged by water inlet pipe and water outlet pipe, because the suction function in the glass tube, the gas air that contains at sampling spot place is drawn in the glass tube;
(3) water level falling head in the sight glass pipe when reaching the requirement height (generally greater than the gas sampled demand), is successively closed Inlet and outlet water threeway angle valve and air inlet and exhaust valve.
3. the quantitative output procedure of laboratory gas sampled:
The sampler that will be full of the gas air is brought the laboratory into, quantitatively outputs to gas composition analysis equipment, in order to determine the concentration of methane gas:
(1) respectively with solenoid valve water inlet and distillation water pipe, air inlet-outlet pipe is connected with gas composition analysis equipment draft tube;
(2) liquid level sensor is connected with TT﹠C system by the plug-in electric wire connecting junction respectively with control line of electromagnetic valve, connects the TT﹠C system power supply, and the power-on switch;
The volume of selecting pre-output gas number of times as required and exporting gas at every turn, then, system can export quantitative gas to gas composition analysis equipment according to set point number, after each gas output finishes, the automatic alarm staff of system, when starting gasometry output, directly namely can export quantitative gas by start button next time.
Claims (5)
1. coal mine gas gas automatic sampling device, comprise glass tube (1), upper cover (2), low head (3), air inlet-outlet pipe (4), air inlet and exhaust valve (5), water inlet pipe and water outlet pipe (7), the threeway angle valve (8) of being with scale, wherein upper cover (2) and low head (3) are separately positioned on the two ends of glass tube (1); Described air inlet-outlet pipe (4) one ends run through upper cover (3) and stretch in the glass tube (1), and the other end extends outside glass tube (1), and is provided with air inlet and exhaust valve (5) at the other end of this air inlet-outlet pipe (4); Described water inlet pipe and water outlet pipe (7) one ends run through low head (3) and stretch in the glass tube (1), the other end extends outside glass tube (1), and be provided with threeway angle valve (8) at the other end of this water inlet pipe and water outlet pipe (7), it is characterized in that: also comprise liquid level sensor (9), signal conditioning circuit, single chip control module, load module, described liquid level sensor (9) is arranged on low head (3) and upward and with signal conditioning circuit is connected, and described signal conditioning circuit, load module are connected with single chip control module respectively.
2. a kind of coal mine gas gas automatic sampling device according to claim 1, it is characterized in that: also comprise two solenoid valves, one of them solenoid valve (6a) is arranged on the upper end that is positioned at air inlet and exhaust valve (5) on the air inlet-outlet pipe (4), another solenoid valve (6b) is arranged on the end of water inlet pipe and water outlet pipe (7), and described two solenoid valves are connected with one-chip computer module respectively.
3. a kind of coal mine gas gas automatic sampling device according to claim 1 and 2, it is characterized in that: also comprise a LCD MODULE, described LCD MODULE is connected with single chip control module.
4. a kind of coal mine gas gas automatic sampling device according to claim 1, it is characterized in that: described single chip control module comprises that a model is the single-chip microcomputer of MSP430F149.
5. a kind of coal mine gas gas automatic sampling device according to claim 3, it is characterized in that: described LCD MODULE comprises that a model is the LCD of LCD12864.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720751 CN203117009U (en) | 2012-12-25 | 2012-12-25 | Automatic sampling device for underground gas of coal mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220720751 CN203117009U (en) | 2012-12-25 | 2012-12-25 | Automatic sampling device for underground gas of coal mine |
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| Publication Number | Publication Date |
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| CN203117009U true CN203117009U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220720751 Expired - Fee Related CN203117009U (en) | 2012-12-25 | 2012-12-25 | Automatic sampling device for underground gas of coal mine |
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| CN (1) | CN203117009U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136526A (en) * | 2015-08-13 | 2015-12-09 | 中国石油天然气股份有限公司 | Wellhead coalbed gas sampling apparatus |
| CN106989965A (en) * | 2017-06-09 | 2017-07-28 | 辽宁工程技术大学 | A kind of coal mine underground gas sampling apparatus and method |
| CN107607366A (en) * | 2017-10-09 | 2018-01-19 | 中国石油天然气集团公司 | A kind of methane collection device, coal seam gas production well discharge of methane measure apparatus and method |
| CN107960399A (en) * | 2017-12-25 | 2018-04-27 | 南京信息工程大学 | A kind of pesticide concentration control system of greenhouse and use |
| CN108387408A (en) * | 2018-03-16 | 2018-08-10 | 河北工程大学 | A kind of New Coal Mine fire damp automatic sampling device |
-
2012
- 2012-12-25 CN CN 201220720751 patent/CN203117009U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105136526A (en) * | 2015-08-13 | 2015-12-09 | 中国石油天然气股份有限公司 | Wellhead coalbed gas sampling apparatus |
| CN106989965A (en) * | 2017-06-09 | 2017-07-28 | 辽宁工程技术大学 | A kind of coal mine underground gas sampling apparatus and method |
| CN107607366A (en) * | 2017-10-09 | 2018-01-19 | 中国石油天然气集团公司 | A kind of methane collection device, coal seam gas production well discharge of methane measure apparatus and method |
| CN107607366B (en) * | 2017-10-09 | 2019-10-11 | 中国石油天然气集团公司 | A kind of methane collection device, coal seam gas production well discharge of methane measurement device and method |
| CN107960399A (en) * | 2017-12-25 | 2018-04-27 | 南京信息工程大学 | A kind of pesticide concentration control system of greenhouse and use |
| CN108387408A (en) * | 2018-03-16 | 2018-08-10 | 河北工程大学 | A kind of New Coal Mine fire damp automatic sampling device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20141225 |
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| EXPY | Termination of patent right or utility model |