CN217180774U - Mining multi-parameter gas acquisition and measurement system - Google Patents
Mining multi-parameter gas acquisition and measurement system Download PDFInfo
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- CN217180774U CN217180774U CN202123277680.6U CN202123277680U CN217180774U CN 217180774 U CN217180774 U CN 217180774U CN 202123277680 U CN202123277680 U CN 202123277680U CN 217180774 U CN217180774 U CN 217180774U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
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Abstract
The utility model discloses a mining multi-parameter gas acquisition and determination system, which comprises a shell, wherein a gas acquisition nozzle which protrudes outwards is arranged on the peripheral wall of the shell, the gas acquisition nozzle is communicated with an air inlet of a gas temporary storage chamber arranged in the shell through an air inlet pipeline, an air outlet is connected with an air pump arranged in the shell through a connecting pipeline, and the air pump is connected with an air outlet nozzle arranged on the peripheral wall of the shell through an air outlet pipeline; the upper part of the gas temporary storage chamber is connected with a gas sensor which is used for measuring the components of the collected gas; the gas collecting nozzle is detachably connected with the external extension pipe. The utility model discloses gaseous collection survey system sets up gas sensor in the casing to carry out structural design to gaseous room of keeping in, make the sensor under the condition of guaranteeing response speed, prolonged its life, gaseous collection mouth can stretch into the position that testing personnel is difficult to, or inconvenient reachs through external extension pipe in addition, so that carry out comprehensive collection survey, discharge potential safety hazard to each region in the pit.
Description
Technical Field
The utility model belongs to the technical field of the gaseous collection survey of instrument, concretely relates to mining multi-parameter gas collection survey system.
Background
Due to the particularity of coal mine production, the working environment is severe, and once accidents occur, the casualty rate of personnel is very high, so that the coal mine safety production is very important. In the production process of coal mines, combustible and explosive gases exist, which are the main threats to the safety problem of the coal mines, and in recent years, coal mine safety explosion accidents frequently occur, so that huge economic and personnel losses are caused, and environmental pollution is also caused.
In order to improve the safety of the underground operators, scientists developed a mining instrument tester, which needs to collect gas in different environments during the working process to analyze the gas components, thereby playing the roles of monitoring the environment and preventing and alarming and achieving the purpose of protecting the life safety of the testers.
However, the existing mining instrument measuring device has the following disadvantages: firstly, a gas sensor in the existing measuring device adopts a diffusion type, the sensor is exposed in the air, the measuring device needs to be arranged at a measuring position, although the response time is short, the performances of water resistance, moisture resistance and dust resistance are poor, and the measuring device is very easy to damage; secondly, in the practical use of the existing measuring device, because the underground operation environment is different and the height-to-fall ratio is large, the detection personnel are difficult or inconvenient to reach, so that the gas collection of each region cannot be accurately and comprehensively carried out, and certain potential safety hazards exist.
In view of the above, the present invention provides a mining multi-parameter gas collecting and measuring system to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The object of the present invention is to overcome the disadvantages of the prior art, and to provide a multi-parameter gas collecting and measuring system for mining, wherein the gas sensor in the gas collecting and measuring system is disposed in the housing, and the gas channel is divided into a plurality of chambers by a plurality of flat partition plates and circular arc partition plates, so that the corresponding measuring time is shortened under the condition of ensuring the gas sensor to be waterproof, moisture-proof and dust-proof; in addition, the gas collecting nozzle is detachably connected with the external extension pipe, and the gas collecting nozzle can stretch into the position which is difficult to or inconvenient to reach for detection personnel through the external extension pipe, so that comprehensive collecting and measuring and potential safety hazard discharge can be carried out on each underground area.
The utility model aims at solving through the following technical scheme:
a mining multi-parameter gas collecting and measuring system comprises a shell, wherein a convex gas collecting nozzle is mounted on the peripheral wall of the shell and is communicated with a gas inlet of a gas temporary storage chamber arranged in the shell through a gas inlet pipeline, a gas outlet of the gas temporary storage chamber is connected with a gas pump arranged in the shell through a connecting pipeline, and the gas pump is connected with a gas outlet nozzle arranged on the peripheral wall of the shell through a gas outlet pipeline;
the upper part of the gas temporary storage chamber is connected with a gas sensor, and the gas sensor is used for measuring the components of the collected gas;
the gas collecting nozzle is detachably connected with the external extension pipe.
Further, the gas temporary storage chamber comprises an upper cover and a lower cover, and the upper cover and the lower cover are connected through fastening screws;
the lower cover is internally provided with a gas channel, and an interlayer between the lower cover and the upper cover is provided with a sealing plate which is used for preventing gas in the gas channel from entering the shell;
the upper cover is evenly provided with a plurality of through holes, the through holes penetrate through the sealing plate and are communicated with the gas channel, and the through holes are used for installing the gas sensor.
Further, the gas sensor comprises a plurality of cylindrical gas probes, the number of the cylindrical gas probes is equal to that of the through holes, and the size of the through holes is matched with that of the cylindrical gas probes.
Furthermore, a plurality of circular sealing grooves are formed in the lower cover and positioned at the upper part of the gas channel, and the positions of the circular sealing grooves correspond to the through holes one by one;
and an elastic sealing ring is paved on each circular sealing groove and used for reducing the interference generated when the adjacent cylindrical gas probes measure gas.
Furthermore, the gas channel is divided into a plurality of chambers by a plurality of flat partition plates and arc partition plates, and the number of the chambers is the same as that of the cylindrical gas probes.
Further, air inlet and gas outlet all set up the top at the upper cover, just air inlet and gas outlet all are linked together with the gas passage who sets up in the lower cover, and air inlet and gas outlet are located gas passage's first last both ends respectively.
Furthermore, the lower cover is diagonally provided with a fixing pin, the upper cover is provided with a positioning hole, and the fixing pin is in clearance fit with the positioning hole.
Further, the gas collecting nozzle is connected with an external extension pipe through threads;
the gas collecting nozzle is characterized in that external threads are arranged on the circumferential surface of the gas collecting nozzle, and internal threads matched with the external threads of the gas collecting nozzle are arranged on the inner wall of the extension pipe.
Further, the gaseous collection mouth stretches out the outer conical tube that is of casing, just the external diameter that gaseous collection mouth is close to casing one end is greater than the external diameter that gaseous collection mouth kept away from casing one end, the conical tube is connected through the mode of plug with external extension pipe, and both linkage segments pass through the clamp fastening.
Further, install the filter core on the gas acquisition mouth, the filter core is used for getting rid of the dust.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model relates to a mining multi-parameter gas acquisition survey system, this auxiliary fixtures can directly establish the socket slider cover on the second cylinder of centre gripping body, then through the screw-thread fit of second cylinder and retaining member, extrude the socket slider to the terminal surface locking of hugging closely the third cylinder, and the maximum outline size of third cylinder and retaining member all is less than the minimum length of side of socket slider, produces interference phenomenon when preventing milling process socket slider appearance. Through the arrangement, the auxiliary tool can realize quick assembly and disassembly of the socket sliding block, and can finish all milling processing of the appearance of the socket sliding block by one-time clamping, compared with the prior art, the machining process is obviously shortened, and therefore the machining efficiency can be improved while the machining precision is ensured.
2. The utility model relates to a mining multi-parameter gas acquisition survey system is provided with the elastic rubber layer between retaining member and the socket slider in this supplementary frock for avoid damaging the surface quality of socket slider when increasing the retaining member clamping-force.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a gas collection and measurement system according to the present invention;
FIG. 2 is a schematic front view of the gas collecting and measuring system of the present invention;
fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;
FIG. 4 is an exploded view of the gas buffer chamber and the gas sensor of the present invention;
fig. 5 is a schematic view of the structure of the lower cover of the gas temporary storage chamber of the present invention.
Wherein: 1 is a shell; 2 is a gas collecting nozzle; 3 is an air inlet pipeline; 4 is a gas temporary storage chamber; 5 is a connecting pipeline; 6 is an air pump; 7 is an air outlet pipeline; 8 is an air outlet nozzle; 9 is a gas sensor; 10 is an elastic sealing ring; 41 is an upper cover; 42 is a lower cover; 43 is a sealing plate; 91 is a cylindrical gas probe; 411 is a through hole; 412 is a positioning hole; 421 is a gas channel; 422 is a circular sealing groove; 423 are fixed pins; 4211 is a flat partition plate; 4212 is arc baffle plate.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus consistent with certain aspects of the invention, as detailed in the following claims.
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments.
Referring to fig. 1-5, the utility model relates to a mining multi-parameter gas acquisition and measurement system, including casing 1 (in the utility model, casing 1 is a closed casing, only shows the structure of the casing inside in order to highlight, therefore does not show the first half content of casing in the picture), install evagination gas acquisition mouth 2 on the casing 1 perisporium, gas acquisition mouth 2 is linked together through admission line 3 and the air inlet of the gas temporary storage chamber 4 that sets up in casing 1, and the gas outlet of gas temporary storage chamber 4 is connected with air pump 6 that sets up in casing 1 through connecting tube 5, and air pump 6 is connected with the gas outlet nozzle 8 that sets up on the perisporium of casing 1 through gas outlet tube 7; the upper part of the gas temporary storage chamber 4 is connected with a gas sensor 9, and the gas sensor 9 is used for measuring the components of the collected gas. Through the arrangement, the gas sensor 9 in the gas collection and measurement system can complete measurement in the shell 1 when measuring gas, so that the sensor is prevented from being exposed in the air, and has waterproof, moistureproof and dustproof performances, and the service life of the sensor is prolonged.
Specifically, the gas temporary storage chamber 4 of the present invention comprises an upper cover 41 and a lower cover 42, wherein the upper cover 41 is connected with the lower cover 42 through a fastening screw; wherein, a gas channel 421 is arranged in the lower cover 42, and a sealing plate 43 is arranged in an interlayer between the lower cover 42 and the upper cover 41, and the sealing plate 43 is used for preventing the gas in the gas channel 421 from entering the housing 1; a plurality of through holes 411 are uniformly formed in the upper cover 41, the through holes 411 penetrate through the sealing plate 43 and are communicated with the gas channel 421, and the through holes 411 are used for installing the gas sensor 9.
Wherein, gas sensor 9 includes a plurality of cylindricality gas probe 91 and sensor acquisition board, the quantity of cylindricality gas probe 91 is the same with through-hole 411 quantity, and the size and the cylindricality gas probe 91 phase-match of through-hole 411. In practical use, the number of the through holes 411 is set according to the type of gas to be detected, and the general downhole detection comprises CH 4 、CO 2 、CO、CO 2 、H 2 S、SO 2 、NO 2 And detecting the concentration of the seven gases and environmental parameters such as temperature, humidity, differential pressure and the like.
In addition in order to make gas sensor 9 survey accuracy and response speed fast, the utility model discloses gas passage 421 divides into a plurality of cavities through a plurality of flat partition plate 4211 and circular arc baffle 4212, the quantity of cavity is the same with cylindricality gas probe 91 quantity, and on lower cover 42, the upper portion that is located gas passage 421 is provided with a plurality of circular seal groove 422, and the position and the through-hole 411 one-to-one of every circular seal groove 422, set up 7 if this embodiment, every circular seal groove 422 upper berth is equipped with elastic sealing ring 10, elastic sealing ring 10 is used for the adjacent cavity of separation to be located cylindricality gas probe 91 front end intercommunication, thereby reduce the interference that produces when adjacent cylindricality gas probe 91 survey is gaseous, guarantee the accuracy that detects when improving response speed.
As shown in fig. 4, the utility model discloses air inlet and gas outlet all set up at the top of upper cover 41, and air inlet and gas outlet all are linked together with the gas passage 421 that sets up in lower cover 42, and air inlet and gas outlet are located the first and last both ends of gas passage 421 respectively to the gas that gas collection mouth 2 gathered can get into from the air inlet and circulate along gas passage 421 and discharge from the gas outlet through the gas outlet mouth at last.
Considering that upper cover 41 and lower cover 42 can combine fast in the assembly, the utility model discloses it is the diagonal angle on lower cover 42 and is provided with fixed pin 423, is provided with locating hole 412 on upper cover 41, and fixed pin 423 and locating hole 412 clearance fit.
In addition in order to solve the height not level in the pit, the measurement personnel are difficult to, or inconvenient will survey the ware and send to, cause the problem that can not accurate comprehensive each regional gas acquisition of carrying on, the utility model discloses gas acquisition survey system adopts external extension pipe (not shown in the picture) on gaseous collection mouth 2, wherein, external extension pipe can be dismantled with gaseous collection mouth 2 and be connected, like this when the inconvenient arrival of measurement personnel, can arrange this target department in with external extension pipe, then external extension pipe through the cooperation with air pump 6, can be with the gaseous room of keeping in 4 that inhales of this target department, the rethread gas sensor 9 surveys, thereby realize carrying out comprehensive collection survey to different regions in the pit, improve safety precaution.
The detachable connection mode of the gas collection nozzle 2 and the external extension pipe of the utility model can be various, two modes which are often used in practice are listed below, one mode is that the gas collection nozzle 2 and the external extension pipe are detachably connected through a thread, the circumferential surface of the gas collection nozzle 2 is provided with an external thread, and the inner wall of the extension pipe is provided with an internal thread matched with the external thread of the gas collection nozzle 2; the other type is that the gas collection nozzle 2 extends out of the shell 1 and is a conical pipe, the outer diameter of the gas collection nozzle 2 close to one end of the shell 1 is larger than the outer diameter of the gas collection nozzle 2 far away from one end of the shell 1, the conical pipe is connected with an external extension pipe in a plugging and unplugging mode, and the connection section of the conical pipe and the external extension pipe is fastened through a clamp.
Preferably, combine actual dust environment in the pit, the utility model discloses install the filter core on gas acquisition mouth 2, the filter core is used for getting rid of the dust, prevents to produce the interference to gas detection.
The above description is only exemplary of the invention, and is intended to enable those skilled in the art to understand and implement the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention.
It is to be understood that the present invention is not limited to what has been described above, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present invention is limited only by the appended claims.
Claims (10)
1. The mining multi-parameter gas collecting and measuring system is characterized by comprising a shell (1), wherein a convex gas collecting nozzle (2) is installed on the peripheral wall of the shell (1), the gas collecting nozzle (2) is communicated with a gas inlet of a gas temporary storage chamber (4) arranged in the shell (1) through a gas inlet pipeline (3), a gas outlet of the gas temporary storage chamber (4) is connected with a gas pump (6) arranged in the shell (1) through a connecting pipeline (5), and the gas pump (6) is connected with a gas outlet nozzle (8) arranged on the peripheral wall of the shell (1) through a gas outlet pipeline (7);
the upper part of the gas temporary storage chamber (4) is connected with a gas sensor (9), and the gas sensor (9) is used for measuring the components of the collected gas;
the gas collection nozzle (2) is detachably connected with an external extension pipe.
2. The mining multiparameter gas collecting and measuring system according to claim 1, wherein the gas buffer chamber (4) comprises an upper cover (41) and a lower cover (42), the upper cover (41) and the lower cover (42) are connected by fastening screws;
wherein a gas channel (421) is arranged in the lower cover (42), a sealing plate (43) is arranged in an interlayer between the lower cover (42) and the upper cover (41), and the sealing plate (43) is used for preventing gas in the gas channel (421) from entering the shell (1);
a plurality of through holes (411) are uniformly formed in the upper cover (41), the through holes (411) penetrate through the sealing plate (43) and then are communicated with the gas channel (421), and the through holes (411) are used for installing the gas sensor (9).
3. The mining multiparameter gas collecting and measuring system according to claim 2, wherein the gas sensor (9) comprises a plurality of cylindrical gas probes (91), the number of the cylindrical gas probes (91) is the same as the number of the through holes (411), and the size of the through holes (411) is matched with the cylindrical gas probes (91).
4. The mining multiparameter gas collecting and measuring system according to claim 3, wherein a plurality of circular sealing grooves (422) are formed in the upper portion of the gas channel (421) of the lower cover (42), and the positions of the circular sealing grooves (422) correspond to the through holes (411) one by one;
each circular seal groove (422) is paved with an elastic seal ring (10), and the elastic seal ring (10) is used for reducing interference generated when the adjacent cylindrical gas probe (91) measures gas.
5. The mining multiparameter gas collecting and measuring system according to claim 3, wherein the gas channel (421) is divided into a plurality of chambers by a plurality of flat bulkheads (4211) and circular-arc bulkheads (4212), and the number of the chambers is the same as that of the cylindrical gas probes (91).
6. The mining multiparameter gas acquisition and measurement system according to claim 2, wherein the gas inlet and the gas outlet are both arranged at the top of the upper cover (41), the gas inlet and the gas outlet are both communicated with a gas channel (421) arranged in the lower cover (42), and the gas inlet and the gas outlet are respectively located at the head end and the tail end of the gas channel (421).
7. The mining multiparameter gas collecting and measuring system according to claim 2, wherein a fixing pin (423) is diagonally provided on the lower cover (42), a positioning hole (412) is provided on the upper cover (41), and the fixing pin (423) is in clearance fit with the positioning hole (412).
8. The mining multiparameter gas collection and measurement system according to claim 1, wherein the gas collection nozzle (2) is connected with an external extension pipe through a screw thread;
the gas collecting nozzle is characterized in that external threads are arranged on the circumferential surface of the gas collecting nozzle (2), and internal threads matched with the external threads of the gas collecting nozzle (2) are arranged on the inner wall of the extension pipe.
9. The mining multiparameter gas collection and measurement system according to claim 1, wherein the gas collection nozzle (2) extends out of the housing (1) and is a tapered tube, the outer diameter of one end of the gas collection nozzle (2) close to the housing (1) is larger than the outer diameter of one end of the gas collection nozzle (2) far away from the housing (1), the tapered tube is connected with an external extension tube in a plugging and pulling manner, and the connection sections of the tapered tube and the external extension tube are fastened by a clamp.
10. The mining multiparameter gas collection and measurement system according to claim 1, wherein a filter element is mounted on the gas collection nozzle (2) and used for removing dust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123277680.6U CN217180774U (en) | 2021-12-24 | 2021-12-24 | Mining multi-parameter gas acquisition and measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123277680.6U CN217180774U (en) | 2021-12-24 | 2021-12-24 | Mining multi-parameter gas acquisition and measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN217180774U true CN217180774U (en) | 2022-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123277680.6U Active CN217180774U (en) | 2021-12-24 | 2021-12-24 | Mining multi-parameter gas acquisition and measurement system |
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| CN (1) | CN217180774U (en) |
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2021
- 2021-12-24 CN CN202123277680.6U patent/CN217180774U/en active Active
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