Comprehensive parameter tester system for drainage pipeline

Abstract

The invention belongs to the technical field of gas measurement, and particularly discloses a comprehensive parameter measuring instrument system for a drainage pipeline, which comprises a measuring unit, a collecting unit and a filtering unit, the sampling device is used for collecting a gas sample needing component temperature detection and a gas sample needing air pressure detection in a drainage pipeline and conveying the gas sample and the gas sample to the flow dividing device, and the flow dividing device conveys the gas sample needing component temperature detection to the filtering unit for filtering and conveys the gas sample needing air pressure detection to the measuring unit for detection; the filtered gas is conveyed to the measuring unit for component and temperature detection; the measuring unit comprises a measuring outer shell, a battery device, a data processing device, a display device, a pressure flow detection device and a component temperature detection device; the tester system can detect various parameters, realizes detection of gas components and content, gas temperature, gas pressure and flow in the drainage pipeline, meets industrial requirements, and ensures product safety.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of gas measurement, and particularly relates to an extraction pipeline comprehensive parameter measuring instrument system. BACKGROUND

[0002] In the fields of coal mine gas extraction, chemical tail gas transportation, natural gas pipeline, etc., safety production is the first, which is related to the economic development of various regions and is a top priority. The existing extraction pipeline comprehensive parameter measuring instrument system is mainly divided into two types: a fixed monitoring system and a portable detection system. The fixed monitoring system adopts a distributed sensor network layout, has large equipment volume and weight, relies on wired data transmission, and leads to complex installation and the need for a supporting central control platform, so that the cost of single-point equipment is high. The portable detection system has great improvement in volume and weight compared with the fixed monitoring system, but its function is relatively single, most of the commercially available equipment only supports 1-2 parameter measurements, cannot measure more parameters at the same time, and does not have the functions of drainage, filtration, cleaning or filter replacement, leading to shortening of the service life of the equipment; in terms of intelligence, most of the equipment does not have the functions of data storage, review and wireless transmission, which cannot meet the real-time and convenience requirements of modern coal mine safety production for data.

[0003] In many industrial production fields such as coal mines and chemical industries, accurate and real-time monitoring of various parameters in the extraction pipeline is of great significance to the safety of production, the improvement of production efficiency, and environmental protection. In the "Regulations on the Prevention and Control of Coal and Gas Outburst", it is stipulated that when pre-extracting coal seam gas, relevant parameters should be recorded, such as periodic detection of carbon monoxide content, gas content, flow rate, pressure and temperature of the borehole, and accurate measurement of these parameters is crucial for gas disaster control and pre-extraction effect inspection.

[0004] At present, there is an urgent need to develop a portable measuring instrument that can simultaneously measure and display multiple parameters such as carbon monoxide content, gas content, flow rate, pressure and temperature. SUMMARY

[0005] The purpose of the present application is to provide an extraction pipeline comprehensive parameter measuring instrument system that can simultaneously measure and display multiple parameters.

[0006] In order to achieve the above object, the technical scheme of the present application is: a kind of extraction pipeline comprehensive parameter measuring instrument system, including determination unit, acquisition unit and filtering unit;The acquisition unit includes sampling device and shunt device, the sampling device is used to respectively collect the gas sample needing to carry out component temperature detection and the gas sample for pressure detection in extraction pipeline and is transported to shunt device, and the shunt device respectively transports the gas sample for component temperature detection to filtering unit and carries out filtration and transports the gas sample for pressure detection to determination unit and carries out detection;The sampling device includes sampling pipe, the upper side of the sampling pipe is communicated with shunt device, and the lower side is sampling end;The sampling end is bullet head cross-sectional shape, and the front side of the sampling end is provided with high pressure detection hole;High pressure detection hole height matching low pressure detection hole is provided with on the two sides of the sampling end;The two sides of the sampling end are respectively provided with air inlet and air outlet, and the air inlet and air outlet are located above low pressure detection hole;Transport channel is provided in the sampling pipe, and the transport channel is used to respectively transport low pressure gas sample collected by low pressure detection hole, high pressure gas sample collected by high pressure detection hole, gas sample transported by air inlet to shunt device and transport the gas sample returned by shunt device to extraction pipeline after detection;

[0007] High pressure gas sample and low pressure gas sample are transported to determination unit and detected for pressure and flow rate;The gas sample transported by air inlet is transported to filtering unit and filtered, and the filtered gas is transported to determination unit and detected for component and temperature;The component temperature detection gas after detection of determination unit is returned to extraction pipeline by acquisition unit again;

[0008] The determination unit includes determination outer shell, battery device, data processing device, display device, pressure flow detection device and component temperature detection device;The battery device, data processing device, pressure flow detection device, component temperature detection device are arranged in the inside of determination outer shell;The data processing device is connected with battery device, display device, pressure flow detection device and component temperature detection device respectively, and the data processing device sends the data processed to display device and displays;Air inlet connection joint, air outlet connection joint, low pressure connection joint and high pressure connection joint are provided on the determination outer shell;The high pressure connection joint is used to transport high pressure gas sample shunted by shunt device to pressure flow detection device, and the low pressure connection joint is used to transport low pressure gas sample shunted by shunt device to pressure flow detection device;The air inlet connection joint is used to transport the gas sample filtered by filtering unit to component temperature detection device;The air outlet connection joint is used to transport the gas after detection of component temperature detection device to acquisition unit.

[0009] Further, the pressure flow detection device comprises a gauge pressure gas pressure sensor and a differential pressure gas pressure sensor, the low-pressure connection joint is in communication with the low-pressure port of the gauge pressure gas pressure sensor and the differential pressure gas pressure sensor respectively, and the high-pressure connection joint is in communication with the high-pressure port of the differential pressure gas pressure sensor respectively; the data processing device calculates the flow value and pressure value of the drainage pipeline according to the detection data of the pressure flow detection device.

[0010] Further, the component temperature detection device comprises a temperature sensor, a methane sensor, a carbon monoxide sensor and a negative pressure device, the measuring outer shell is provided with an air inlet cavity, a first test cavity and a second test cavity in sequence, the air inlet cavity is in communication with the air inlet connection joint, the temperature sensor is arranged in the air inlet cavity, the air inlet cavity is in communication with the first test cavity, the second test cavity is in communication with the first test cavity, and the second test cavity is in communication with the negative pressure device; the methane sensor is arranged in the first test cavity, and the carbon monoxide sensor is arranged in the second test cavity.

[0011] Further, the data processing device comprises a first circuit board, a second circuit board, a third circuit board, a fourth circuit board, a fifth circuit board and a sixth circuit board, the first circuit board is connected with the second circuit board, the third circuit board, the fourth circuit board, the fifth circuit board and the sixth circuit board respectively, the second circuit board is connected with the methane sensor, the second circuit board is used for receiving and processing the methane content data detected by the methane sensor and transmitting the processed data to the first circuit board, the temperature sensor is connected with the second circuit board or the third circuit board, the second circuit board or the third circuit board is used for receiving and processing the temperature data detected by the temperature sensor and transmitting the processed data to the first circuit board, the third circuit board is used for receiving and processing the carbon monoxide content data detected by the carbon monoxide sensor and transmitting the processed data to the first circuit board, the fourth circuit board is used for receiving and processing the pressure data detected by the pressure flow detection device and transmitting the processed data to the first circuit board, the fifth circuit board is connected with the negative pressure device, the fifth circuit board is used for adjusting the negative pressure device, the sixth circuit board is connected with the display device, the sixth circuit board is used for receiving the data of the first circuit board and displaying on the display device, the first circuit board is further connected with a memory, the memory is used for storing data, the first circuit board is further connected with a button device, the button device controls the display device, and the first circuit board is connected with a battery device, which can monitor the voltage and capacity of the battery device.

[0012] Further, the measuring outer shell is further provided with an atmospheric pressure sensor, the atmospheric pressure sensor is connected with the data processing device, and the atmospheric pressure sensor is used for detecting the atmospheric pressure value of the environment.

[0013] Further, the measuring shell is provided with a reading device connected with the data processing device, and the address and size information of the exhaust pipe are written into the storage device, the reading device can read the information in the storage device and send the read information to the data processing device.

[0014] Further, the conveying channel is independently provided with four, which are low-pressure detection conveying channel, high-pressure detection conveying channel, air inlet conveying channel and air outlet conveying channel, the low-pressure detection conveying channel is communicated with the low-pressure detection hole, and the high-pressure detection conveying channel is communicated with the high-pressure detection hole; the air inlet conveying channel is communicated with the air inlet hole, and the air outlet conveying channel is communicated with the air outlet hole; the shunt device comprises a shunt seat, the shunt seat is installed on the sampling pipe, and the shunt seat is provided with four connecting channels, which are low-pressure connecting channel, high-pressure connecting channel, air inlet connecting channel and air outlet connecting channel, the low-pressure connecting channel is communicated with the low-pressure detection conveying channel, the high-pressure connecting channel is communicated with the high-pressure detection conveying channel, the air inlet connecting channel is communicated with the air inlet conveying channel, and the air outlet connecting channel is communicated with the air outlet conveying channel.

[0015] Further, the conveying channel is independently provided with two, which are first conveying channel and second conveying channel, one of the low-pressure detection hole and the high-pressure detection hole is communicated with the first conveying channel, and the other is communicated with the second conveying channel; one of the air inlet hole and the air outlet hole is communicated with the first conveying channel, and the other is communicated with the second conveying channel; the shunt device comprises a shunt seat and two groups of switching components, the shunt seat is provided with two connecting channels, which are first connecting channel and second connecting channel, the first connecting channel is communicated with the first conveying channel, and the second connecting channel is communicated with the second conveying channel; two groups of the switching components are connected with the first connecting channel and the second connecting channel respectively; each group of the switching components comprises a three-way switching valve, a first interface of the three-way switching valve is connected with the first connecting channel or the second connecting channel, a second interface of the three-way switching valve is connected with the low-pressure detection pipeline or the high-pressure detection pipeline, and a third interface of the three-way switching valve is connected with the sampling air inlet pipeline or the sampling air outlet pipeline; the three-way switching valve can switch the communication state between the first interface and the second interface, and the first interface and the third interface.

[0016] Further, the filter unit comprises a filter outer shell and a flow meter, a first-stage filter device, a second-stage filter device and a third-stage filter device arranged in the filter outer shell, the filter outer shell is provided with a filter cavity for placing the first-stage filter device, the second-stage filter device and the third-stage filter device and a detection cavity for placing the flow meter; the bottom of the filter outer shell is provided with an air inlet channel and an air outlet channel, the first-stage filter device and the second-stage filter device are respectively arranged on the two sides of the air inlet channel and the air outlet channel, the first-stage filter device is arranged on the side close to the air inlet channel, and the second-stage filter device is arranged on the side close to the air outlet channel; the third-stage filter device is arranged above the second-stage filter device; the air inlet channel is connected with an external air inlet pipeline and an inlet of the first-stage filter device respectively, an outlet of the first-stage filter device is connected with an inlet of the second-stage filter device, an outlet of the second-stage filter device is connected with an inlet of the third-stage filter device; the flow meter is arranged on one side of the third-stage filter device, an outlet of the third-stage filter device is connected with an inlet of the flow meter, and an outlet of the flow meter is connected with the air outlet channel; the filter outer shell adopts an acrylic shell; a negative pressure device is adjusted according to the display of the flow meter.

[0017] Further, the bottom of the filter outer shell is provided with two first sealing openings, the two first sealing openings are respectively communicated with the filter cavities of the first-stage filter device and the second-stage filter device; the first sealing opening is provided with a first sealing member, the first sealing member is used for plugging the first sealing opening; the top of the filter outer shell is provided with a second sealing opening and a third sealing opening, the second sealing opening and the third sealing opening are respectively communicated with the filter cavity of the third-stage filter device and the detection cavity, the second sealing opening and the third sealing opening are respectively provided with a second sealing member and a third sealing member, the second sealing member and the third sealing member are respectively used for plugging the second sealing opening and the third sealing opening; the first sealing opening is provided with a first threaded hole, the first sealing member is provided with a first threaded section matched with the first threaded hole, and the first sealing member is threadedly connected with the first threaded hole; the second sealing opening is provided with a second threaded hole, the second sealing member is provided with a second threaded section matched with the second threaded hole, and the second sealing member is threadedly connected with the second threaded hole; the third sealing opening is provided with a third threaded hole, the third sealing member is provided with a third threaded section matched with the third threaded hole, and the third sealing member is threadedly connected with the third threaded hole; the first-stage filter device and the corresponding first sealing member and the second-stage filter device and the corresponding first sealing member are provided with springs, the springs are used for abutting the first-stage filter device and the second-stage filter device in the filter cavities; the lower side of the corresponding filter cavity of the first-stage filter device is connected with the first channel through the first channel; the upper side of the corresponding filter cavity of the first-stage filter device is connected with the second channel, and the second channel is connected with the lower side of the corresponding filter cavity of the second-stage filter device; the upper side of the corresponding filter cavity of the second-stage filter device is connected with the lower side of the corresponding filter cavity of the third-stage filter device through the third channel; the upper side of the corresponding filter cavity of the third-stage filter device is connected with the fourth channel, the fourth channel is connected with the flow meter in the detection cavity, and the upper side of the detection cavity is connected with the outlet channel through the fifth channel.

[0018] The beneficial effects of the technical solution are as follows:

[0019] ①The measuring instrument system of the technical solution can detect multiple parameters, realize the detection of the gas composition and content in the drainage pipeline, the detection of the gas temperature, the detection of the gas pressure and flow, meet the industrial demand, and guarantee the safety of the production.

[0020] ②In the technical solution, the sampling hole (the inlet hole and the outlet hole), the high-pressure detection hole and the low-pressure detection hole are integrated on the sampling pipe, the collection of the gas sample for component and content detection and the collection of the gas sample for gas pressure detection can be simultaneously realized by one device, the integration and miniaturization of the sampling device are realized, and the detection efficiency is improved.

[0021] ③The main carrier of the filtering unit is selected as acrylic material, compared with the gas filtering unit made by opening mold, the price is relatively low, the production cycle is short, and if there is adjustment in structure in later period, the cost of modifying mold or re-making mold does not need to be spent. The acrylic material has very high light transmittance, the internal situation of the filtering unit is convenient to observe. And it has good mechanical processing performance, through different drilling methods, the integration of three-stage filtering and flow meter and the miniaturization of the filtering device are realized. Secondly, the acrylic material has strong tensile and impact resistance, and is resistant to corrosion of various chemicals, thereby prolonging the service life of the gas filtering device. By setting the first sealing element and the second sealing element, the accumulated water in the gas filtering device can be timely discharged; when the filtering unit is blocked, only the two first sealing elements and the second sealing element are unscrewed, the filtering unit can be cleaned or replaced, so that the operation process becomes convenient, and the service life of the gas filtering device is prolonged.

[0022] ④The sampling gas flow is maintained in a suitable range, the detection accuracy of the gas can be improved, and the safety hidden danger is reduced, so the flow meter is arranged to monitor the flow in real time, so that the operator controls the flow by adjusting the negative pressure device. Whether the gas sampling channel is blocked can be judged through the flow meter, so as to provide a reference basis for timely cleaning or replacing the filter element.

[0023] ⑤The address and aperture of the gas extraction pipeline can be obtained by using a non-contact method, and the core device is a reading device. The tester can use the software matched with the system to write the address and aperture of the gas extraction pipeline into the storage device, so that one test point corresponds to one storage device; during testing, only the reading device reads the related information in the storage device, so that the testing efficiency is improved.

[0024] ⑥The data is saved in the storage device, so as to meet the real-time and convenience requirements of modern coal mine safety production on data for subsequent data query, uploading and other needs. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a structure schematic view of the gas extraction pipeline comprehensive parameter measuring instrument system of the application;

[0026] Figure 2 It is a first perspective view of the measuring unit; Figure 1

[0027] Figure 3 It is a second perspective view of the measuring unit; Figure 1

[0028] Figure 4 It is a structure schematic view of the measuring unit without the measuring upper cover; Figure 2

[0029] Figure 5 ​​​​Figure 4 Structure diagram of the display device and the key device in the middle;

[0030] Figure 6 For Figure 5 Structure diagram of the fifth circuit board and the cover in the middle;

[0031] Figure 7 Internal diagram of the first test cavity and the second test cavity;

[0032] Figure 8 Perspective view of the collection unit;

[0033] Figure 9 For Figure 8 Front view of the collection unit;

[0034] Figure 10 For Figure 8 Rear view of the collection unit;

[0035] Figure 11 For Figure 8 Left view of the collection unit;

[0036] Figure 12 For Figure 8 Right view of the collection unit;

[0037] Figure 13 Structure diagram of the shunt device in Example Two;

[0038] Figure 14 For Figure 1 External structure diagram of the filter unit in Example Two;

[0039] Figure 15 For Figure 14 First structure diagram of Example Two with the protective shell removed;

[0040] Figure 16 For Figure 14 Second structure diagram of Example Two with the protective shell removed;

[0041] Figure 17 For Figure 14 Third structure diagram of Example Two with the protective shell removed. DETAILED DESCRIPTION

[0042] The following will be further described in detail through specific embodiments:

[0043] The reference signs in the drawings of the specification include: determination unit 1, filtering unit 2, collection unit 3, high-pressure detection pipeline 4, low-pressure detection pipeline 5, sampling outlet pipeline 6, sampling inlet pipeline 7, filtering outlet pipeline 8, high-pressure connection joint 9, low-pressure connection joint 10, outlet connection joint 11, inlet connection joint 12, determination lower shell 13, determination upper cover 14, back clamp 15, button device 16, display device 17, charging interface 18, first circuit board 19, sixth circuit board 20, fifth circuit board 21, third circuit board 22, second circuit board 23, fourth circuit board 24, battery device 25, negative pressure device 26, second test cavity 27, first test cavity 28, inlet cavity 29, differential pressure gas pressure sensor 30, gauge pressure gas pressure sensor 31, support block 32, sampling tube 33, sampling end 34, shunt seat 35, connection joint 36, inlet hole 37, outlet hole 38, high-pressure detection hole 39, low-pressure detection hole 40, scale 41, three-way switch valve 42, protective shell 43, window 44, first sealing member 45, inlet jewel connector 46, outlet jewel connector 47, filtering outer shell 48, first-stage filtering device 49, second-stage filtering device 50, third-stage filtering device 51, flowmeter 52, second sealing member 53, third sealing member 54, spring 55, first channel 56, second channel 57, third channel 58, fourth channel 59, and fifth channel 60.

[0044] The technical solutions in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work are within the scope of protection of the present application.

[0045] Embodiment one

[0046] Basically as shown in Figs. 1-17: a comprehensive parameter determination instrument system for an exhaust pipeline, as shown in Fig. 1, comprising a determination unit 1, a collection unit 3, and a filtering unit 2. Figures 1-12 Figure 1

[0047] Figures 8-12 ​​​As shown, the collecting unit 3 comprises a sampling device and a shunt device, the sampling device is used to collect the gas samples for component temperature detection and the gas samples for pressure detection in the exhaust pipeline respectively and deliver them to the shunt device, and the shunt device delivers the gas samples for component temperature detection to the filtering unit for filtering and delivers the gas samples for pressure detection to the measuring unit 1 for detection respectively. The sampling device comprises a sampling pipe 33, the sampling pipe 33 is provided with a scale 41, which facilitates the operator to watch the depth of the sampling pipe 33 inserted. The upper side of the sampling pipe 33 is in communication with the shunt device, and the lower side is a sampling end 34; the sampling end 34 is in the shape of a bullet head section, and the whole is in the structure of a power bar. The front side of the sampling end 34 is provided with n groups of high-pressure detection holes 39, n≥1 and is an integer, and the n groups of high-pressure detection holes 39 are arranged vertically. When n=1, the depth inserted into the exhaust pipeline needs to be adjusted constantly to monitor the pressure at different depths. When n>1, the pressure at different depths can be collected at one time, the sampling efficiency is improved, and the number of high-pressure detection holes 39 and the spacing between each hole can be set according to the depth of the exhaust pipeline. More preferably, n≥3 and n is an odd number, and in this embodiment, n is 3. N groups of low-pressure detection holes 40 matched in height with the high-pressure detection holes 39 are provided through the two sides of the sampling end 34; the two sides of the sampling end 34 are respectively provided with an air inlet hole 37 and an air outlet hole 38, and the air inlet hole 37 and the air outlet hole 38 are located above the low-pressure detection holes 40. A delivery channel is provided in the sampling pipe 33, which is used to deliver the low-pressure gas samples collected by the low-pressure detection holes 40, the high-pressure gas samples collected by the high-pressure detection holes 39, the gas samples delivered by the air inlet hole 37 to the shunt device, and the detected gas samples returned by the shunt device to the exhaust pipeline. In this embodiment, the delivery channel is independently provided with four, which are low-pressure detection delivery channel, high-pressure detection delivery channel, air inlet delivery channel and air outlet delivery channel, the low-pressure detection delivery channel is in communication with the n groups of low-pressure detection holes 40, and the high-pressure detection delivery channel is in communication with the n groups of high-pressure detection holes 39; the air inlet delivery channel is in communication with the air inlet hole 37, and the air outlet delivery channel is in communication with the air outlet hole 38.

[0048] The shunt device comprises a shunt seat 35, which is installed on the sampling pipe 33, and four connection channels are provided in the shunt seat 35, which are low-pressure connection channel, high-pressure connection channel, air inlet connection channel and air outlet connection channel, the low-pressure connection channel is in communication with the low-pressure detection delivery channel, the high-pressure connection channel is in communication with the high-pressure detection delivery channel, the air inlet connection channel is in communication with the air inlet delivery channel, and the air outlet connection channel is in communication with the air outlet delivery channel.

[0049] The shunt seat 35 is provided with the same number of connecting joints 36 as the connecting channels, and the connecting joints 36 are connected with the corresponding connecting channels. The four connecting joints 36 are respectively connected with the sampling inlet pipeline 7, the sampling outlet pipeline 6, the low-pressure detection pipeline 5 and the high-pressure detection pipeline 4. The sampling inlet pipeline 7 is communicated with the inlet connecting channel, the sampling outlet pipeline 6 is communicated with the outlet connecting channel, the low-pressure detection pipeline 5 is communicated with the low-pressure connecting channel, and the high-pressure detection pipeline 4 is communicated with the high-pressure connecting channel. The shunt seat 35 and the sampling pipe 33 are integrally formed. The shunt seat 35 and the sampling pipe 33 are 3D printed, and the shunt seat 35 and the sampling pipe 33 are formed by using the 3D printing technology, so that the device has high precision and high mechanical strength. Moreover, the internal structure is integrated, which can avoid mutual leakage of gas between the various conveying channels. The shunt seat 35 is provided with an arrow indicating the flow direction of the detected gas flow.

[0050] The high-pressure gas sample and the low-pressure gas sample are transported to the measuring unit 1 for pressure and flow detection; the gas sample transported by the inlet hole 37 is transported to the filtering unit 2 for filtering, and the filtered gas is transported to the measuring unit 1 for composition and temperature detection; the gas sample after the composition and temperature detection of the measuring unit 1 is returned to the exhaust pipeline through the collecting unit 3.

[0051] As Figures 14-17As shown, the filtering unit 2 comprises a filtering outer shell 48 and a flow meter 52 (specifically, a glass rotor flow meter 52), a first-stage filtering device 49, a second-stage filtering device 50 and a third-stage filtering device 51 arranged in the filtering outer shell 48, the filtering outer shell 48 is provided with filtering cavities for placing the first-stage filtering device 49, the second-stage filtering device 50 and the third-stage filtering device 51 and a detection cavity for placing the flow meter 52; the external shape of the first-stage filtering device 49, the second-stage filtering device 50 and the third-stage filtering device 51 matches the corresponding filtering cavities, and the external shape of the flow meter 52 matches the detection cavity. The bottom of the filtering outer shell 48 is provided with an air inlet channel and an air outlet channel, the air inlet channel is provided with a fourth threaded hole, and the air inlet nipple 46 is threadedly connected with the fourth threaded hole; the air outlet channel is provided with a fifth threaded hole, and the air outlet nipple 47 is threadedly connected with the fifth threaded hole. The first-stage filtering device 49 and the second-stage filtering device 50 are respectively located on the two sides of the air inlet channel and the air outlet channel, the first-stage filtering device 49 is located on the side close to the air inlet channel, and the second-stage filtering device 50 is located on the side close to the air outlet channel; the third-stage filtering device 51 is located above the second-stage filtering device 50; the flow meter 52 is arranged on one side of the third-stage filtering device 51. The air inlet channel is connected with the air inlet connecting channel and the inlet of the first-stage filtering device 49, specifically, the air inlet nipple 46 is connected with the corresponding connecting nipple 36 of the air inlet connecting channel through the sampling air inlet pipeline 7. The outlet of the first-stage filtering device 49 is connected with the inlet of the second-stage filtering device 50, the outlet of the second-stage filtering device 50 is connected with the inlet of the third-stage filtering device 51; the outlet of the third-stage filtering device 51 is connected with the inlet of the flow meter 52, and the outlet of the flow meter 52 is connected with the air outlet channel. Specifically, the lower side of the filtering cavity corresponding to the first-stage filtering device 49 of the air inlet channel is connected through a first channel 56; the upper side of the filtering cavity corresponding to the first-stage filtering device 49 is connected with a second channel 57, the lower side of the filtering cavity corresponding to the second-stage filtering device 50 is connected with the second channel 57; the upper side of the filtering cavity corresponding to the second-stage filtering device 50 is connected with the lower side of the filtering cavity corresponding to the third-stage filtering device 51 through a third channel 58; the upper side of the filtering cavity corresponding to the third-stage filtering device 51 is connected with a fourth channel 59, the fourth channel 59 is connected with the flow meter 52 in the detection cavity, and the upper side of the detection cavity is connected with the air outlet channel through a fifth channel 60.

[0052] The filter shell 48 adopts an acrylic shell, and the chamber and connecting passage inside the filter shell 48 are obtained by drilling. The negative pressure device 26 is adjusted according to the display of the flow meter 52. The bottom of the filter shell 48 is provided with two first sealing openings respectively communicating with the filter cavities of the first filter device 49 and the second filter device 50; the first sealing openings are provided with first sealing members 45 for sealing the first sealing openings; the top of the filter shell 48 is provided with a second sealing opening and a third sealing opening respectively communicating with the filter cavity and the detection cavity of the third filter device 51, and the second sealing opening and the third sealing opening are respectively provided with second sealing members 53 and third sealing members 54 for sealing the second sealing opening and the third sealing opening. The first sealing openings are provided with first threaded holes, the first sealing members 45 are provided with first threaded segments matched with the first threaded holes, and the first sealing members 45 are threadedly connected with the first threaded holes; the second sealing opening is provided with a second threaded hole, the second sealing member 53 is provided with a second threaded segment matched with the second threaded hole, and the second sealing member 53 is threadedly connected with the second threaded hole; the third sealing opening is provided with a third threaded hole, the third sealing member 54 is provided with a third threaded segment matched with the third threaded hole, and the third sealing member 54 is threadedly connected with the third threaded hole; the first filter device 49 and the corresponding first sealing member 45 and the second filter device 50 and the corresponding first sealing member 45 are provided with springs 55 for abutting the first filter device 49 and the second filter device 50 in the filter cavities. The first sealing members 45 are drain valves, and the second sealing members 53 and the third sealing members 54 are plugs.

[0053] The filter shell is provided with a protective shell 43, and the protective shell 43 is provided with four windows 44 corresponding to the first filter device 49, the second filter device 50, the third filter device 51 and the flow meter 52 respectively, so that the running states of the first filter device 49, the second filter device 50, the third filter device 51 and the flow meter 52 can be observed through the windows 44.

[0054] The first filter device 49, the second filter device 50 and the third filter device 51 respectively adopt filter cartridges. The filter cartridge of the second filter device 50 has a smaller filtering precision than that of the first filter device 49. The filter cartridge of the first filter device 49 mainly roughly filters solid particles and a small amount of water vapor in the gas, and the filter cartridge of the second filter device 50 further filters fine particles and water vapor in the gas; the filter cartridge of the third filter device 51 is different from the filter cartridges of the previous two stages in material, and mainly filters water in the gas to reduce the humidity of the gas.

[0055] As Figures 2-7As shown, the measuring unit 1 comprises a measuring outer shell, a battery device 25, a data processing device, a display device 17, a pressure flow detection device and a component temperature detection device; the measuring outer shell comprises a measuring upper cover 14 and a measuring lower shell 13, and the measuring upper cover 14 is fixed on the measuring lower shell 13 by bolts. The battery device 25, the data processing device, the pressure flow detection device and the component temperature detection device are arranged in the interior of the measuring outer shell; the data processing device is connected with the battery device 25, the display device 17, the pressure flow detection device and the component temperature detection device respectively, and the data processing device sends the processed data to the display device 17 for display. The bottom of the measuring outer shell is connected with an air inlet connecting joint 12, an air outlet connecting joint 11, a low-pressure connecting joint 10 and a high-pressure connecting joint 9; the high-pressure connecting joint 9 is used for conveying the high-pressure gas sample branched by the shunt device to the pressure flow detection device, and specifically, the high-pressure connecting joint 9 is connected with a high-pressure detection pipeline 4; the low-pressure connecting joint 10 is used for conveying the low-pressure gas sample branched by the shunt device to the pressure flow detection device, and specifically, the low-pressure connecting joint 10 is connected with a low-pressure detection pipeline 5; the air inlet connecting joint 12 is used for conveying the gas sample filtered by the filtering unit 2 to the component temperature detection device, and specifically, the air inlet connecting joint 12 is connected with a filtered air outlet pipeline 8; and the air outlet connecting joint 11 is used for conveying the gas after the detection of the component temperature detection device to the collecting unit 3, and specifically, the air outlet connecting joint 11 is connected with a sampling air outlet pipeline 6 and a negative pressure device 26.

[0056] The pressure flow detection device comprises a gauge pressure gas pressure sensor 31 and a differential pressure gas pressure sensor 30 (two groups of differential pressure gas pressure sensors 30 are arranged in the embodiment), and the low-pressure connecting joint 10 is in communication with the low-pressure ports of the gauge pressure gas pressure sensor 31 and the two groups of differential pressure gas pressure sensors 30 respectively, and the high-pressure connecting joint 9 is in communication with the high-pressure ports of the two groups of differential pressure gas pressure sensors 30 respectively. The data processing device calculates the flow value and the pressure value of the drainage pipeline according to the detection data of the pressure flow detection device. The pipeline pressure detection adopts the gauge pressure gas pressure sensor 31, which adopts a MEMS piezoresistive core and a high-performance signal conditioning circuit. The signal conditioning chip can compensate the temperature linearity, zero offset and sensitivity of the MEMS piezoresistive core, and the signal conditioning circuit comprises a 24-bit Σ-Δ ADC, which can acquire the pipeline pressure value with high precision through the I 2 C communication mode. The flow detection adopts two differential pressure gas pressure sensors with different detection ranges, and the precision of each is ±1% FS. The core is a MEMS piezoresistive core and a high-performance signal conditioning circuit. The signal conditioning chip can digitally compensate the temperature linearity, zero offset and sensitivity of the MEMS piezoresistive core, and the signal conditioning circuit comprises a 24-bit Σ-Δ ADC; the I 2C's communication mode can read high-precision digital pressure value, and finally the algorithm processing can obtain accurate flow value.

[0057] The component temperature detection device comprises a temperature sensor, a methane sensor, a carbon monoxide sensor and a negative pressure device 26. The outer shell is provided with an air inlet cavity 29, a first test cavity 28 and a second test cavity 27 in sequence. The air inlet cavity 29 is in communication with the air inlet connecting joint 12. The temperature sensor is arranged in the air inlet cavity 29. The air inlet cavity 29 is in communication with the first test cavity 28. The second test cavity 27 is in communication with the first test cavity 28. The second test cavity 27 is in communication with the negative pressure device 26. The negative pressure device 26 is a gas pump. The outer part of the negative pressure device 26 is fixed by a cover. The methane sensor is arranged in the first test cavity 28. The carbon monoxide sensor is arranged in the second test cavity 27. The bottom of the first test cavity 28 and the second test cavity 27 is provided with a support block 32 for supporting the methane sensor and the carbon monoxide sensor. The first connecting hole between the air inlet cavity 29 and the first test cavity 28, the second connecting hole between the first test cavity 28 and the second test cavity 27 and the third connecting hole between the second test cavity 27 and the negative pressure device 26 are all below the support block 32. The carbon monoxide sensor is a mine-used electrochemical carbon monoxide sensor. It has fast response and recovery time. Its resolution can reach 1ppm. It can maintain excellent long-term performance under extreme temperature and humidity conditions. After signal amplification circuit and software processing, the carbon monoxide concentration value can be accurately displayed. The methane sensor is a laser methane sensing probe module. It uses tunable laser absorption spectroscopy (TDLAS) technology to accurately measure methane gas. Its resolution can reach 0.01% VOL. It has high precision, miniaturization, low power consumption and high reliability. The methane concentration value can be accurately obtained through the communication mode of TTL serial port. The temperature sensor is an NTC temperature sensor. It has high sensitivity, wide working temperature range, small size, good stability and strong overload capacity. Through the analog-digital conversion circuit and algorithm processing, the current temperature value can be accurately obtained.

[0058] The data processing device comprises a first circuit board 19, a second circuit board 23, a third circuit board 22, a fourth circuit board 24, a fifth circuit board 21 and a sixth circuit board 20, the first circuit board 19 is connected with the second circuit board 23, the third circuit board 22, the fourth circuit board 24, the fifth circuit board 21 and the sixth circuit board 20 respectively, the second circuit board 23 is connected with the methane sensor, the second circuit board 23 is used for receiving and processing the methane content data detected by the methane sensor and transmitting the processed data to the first circuit board 19; the temperature sensor is connected with the second circuit board 23 or the third circuit board 22, the second circuit board 23 or the third circuit board 22 is used for receiving and processing the temperature data detected by the temperature sensor and transmitting the processed data to the first circuit board 19; the third circuit board 22 is used for receiving and processing the carbon monoxide content data detected by the carbon monoxide sensor and transmitting the processed data to the first circuit board 19; the fourth circuit board 24 is used for receiving and processing the pressure data detected by the pressure flow detection device and transmitting the processed data to the first circuit board 19; the fifth circuit board 21 is connected with the negative pressure device 26, and the fifth circuit board 21 is used for adjusting the negative pressure device 26; the sixth circuit board 20 is connected with the display device 17, and the sixth circuit board 20 is used for receiving the data of the first circuit board 19 and displaying on the display device 17; the first circuit board 19 is further connected with a memory, and the memory is used for storing data, the memory specifically adopts an external NAND FLASH, the storage space is 16MB, the historical data can be inquired and the data can be displayed in combination of figures and shapes through a software algorithm, and the test data information is uploaded to a computer through a Bluetooth module to enable a detection personnel to view relevant information in real time. In the scheme, the Bluetooth module is arranged on the first circuit board 19, specifically a low-power Bluetooth 5.0 module is adopted, and the Bluetooth module has the characteristics of fast transmission rate, strong anti-interference capability and low power consumption, thereby providing effective guarantee for reliable data transmission and prolonging the working time of the system. The first circuit board 19 is further connected with a key device 16, the key device 16 can control the display device 17; and the first circuit board 19 is connected with a battery device 25, and the battery device 25 can monitor the voltage and capacity of the battery device 25.

[0059] The measuring shell further comprises an atmospheric pressure sensor connected with the data processing device, and the atmospheric pressure sensor is used for detecting the atmospheric pressure value of the environment. 2 The atmospheric pressure sensor is a capacitive atmospheric pressure sensor, which is a high-precision, low-power and small-sized digital pressure sensor, and has the functions of pressure and temperature measurement.

[0060] The measuring shell is provided with a reading device connected with a data processing device, and the address and size information of the exhaust pipeline are written into the storage device. The reading device can read the information in the storage device and send the read information to the data processing device. The reading device and the storage device can adopt RFID radio frequency device and IC card (or NFC card), and the related information can be automatically obtained by placing the IC card (or NFC card) near the induction area of the comprehensive parameter measuring instrument system. Of course, the reading device and the storage device can also be connected in a wireless manner, and the information in the storage device can be read through the data processing device control.

[0061] The measuring shell is provided with a reading device connected with a data processing device, and the address and size information of the exhaust pipeline are written into the storage device. The reading device can read the information in the storage device and send the read information to the data processing device. The reading device and the storage device can adopt RFID radio frequency device and IC card (or NFC card), and the related information can be automatically obtained by placing the IC card (or NFC card) near the induction area of the comprehensive parameter measuring instrument system. Of course, the reading device and the storage device can also be connected in a wireless manner, and the information in the storage device can be read through the data processing device control.

[0062] The specific implementation process is as follows:

[0063] The sampling end 34 of the sampling pipe 33 is inserted into the exhaust pipeline until the appropriate depth is reached, so that the low-pressure detection hole 40 and the high-pressure detection hole 39 can detect the gas pressure at different depths. The gas flow of the n low-pressure detection holes 40 is collected into the low-pressure detection delivery channel, and is delivered to the low-pressure port of the differential pressure gas pressure sensor 30 and the gauge pressure gas pressure sensor 31 through the low-pressure connection channel, the low-pressure detection pipeline 5 and the low-pressure connection joint 10. The gas flow of the n high-pressure detection holes 39 is collected into the high-pressure detection delivery channel, and is delivered to the high-pressure port of the differential pressure gas pressure sensor 30 through the high-pressure connection channel, the high-pressure detection pipeline 4 and the high-pressure connection joint 9. The negative pressure device 26 performs air extraction, and the gas flow in the air inlet hole 37 is collected into the air inlet delivery channel, and is delivered to the filtering unit 2 through the air inlet connection channel and the sampling air inlet pipeline 7 for filtering.

[0064] The gas delivered by the sampling air inlet pipeline 7 enters the first-stage filtering device 49 through the air inlet jewel joint 46, the air inlet channel and the first channel 56 for the first filtering; the first-stage filtered gas enters the second-stage filtering device 50 through the second channel 57 for the second filtering; the second-stage filtered gas enters the third-stage filtering device 51 through the third channel 58 for the third filtering. The third-stage filtered gas enters the flow meter 52 through the fourth channel 59 for the detection of the gas flow, and the flow meter 52 displays the gas flow in real time. The detected gas is discharged to the measuring unit 1 through the fifth channel 60, the air outlet channel, the air outlet jewel joint 47 and the filtered air outlet pipeline 8.

[0065] The gas discharged from the filtered exhaust pipe 8 enters the intake chamber 29, the first test chamber 28 and the second test chamber 27 sequentially through the intake connection connector 12, where temperature, methane content and carbon monoxide content are detected. After the detection is completed, the gas returns to the acquisition unit 3 through the negative pressure device 26, the exhaust connection connector 11 and the sampling exhaust pipe 6, and is returned to the extraction pipe through the exhaust connection channel, the exhaust delivery channel and the exhaust hole 38.

[0066] The display device 17 can be controlled via the button device 16, which allows adjustment of the negative pressure device 26 and viewing of data in the memory.

[0067] Example 2

[0068] The basics are as follows: Figure 13 The system shown is a comprehensive parameter measuring instrument for extraction and discharge pipelines. The only difference between this system and Embodiment 1 is the structure of the diversion device and the number of delivery channels. In this embodiment, two independent delivery channels are provided: a first delivery channel and a second delivery channel. One of the low-pressure detection port 40 and the high-pressure detection port 39 is connected to the first delivery channel, and the other is connected to the second delivery channel. One of the air inlet port 37 and the air outlet port 38 is connected to the first delivery channel, and the other is connected to the second delivery channel. The diversion unit includes a diversion seat 35 and two sets of switching components. The diversion seat 35 has two connecting channels: a first connecting channel and a second connecting channel. The first connecting channel is connected to the first delivery channel, and the second connecting channel is connected to the second delivery channel. The two sets of switching components are connected to the first and second connecting channels, respectively. Each set of switching components includes a three-way switching valve 42. The first port of the three-way switching valve 42 is connected to either the first or second connecting channel. The second port of the three-way switching valve 42 is connected to either the low-pressure detection pipeline 5 or the high-pressure detection pipeline 4. The third port of the three-way switching valve 42 is connected to either the sampling inlet pipeline 7 or the sampling outlet pipeline 6. The three-way switching valve 42 can switch the connection status between the first port and the second port, and between the first port and the third port.

[0069] In this embodiment, the first conveying channel is connected to the low-pressure detection port 40 and the air inlet port 37, respectively, and the second conveying channel is connected to the high-pressure detection port 39 and the air outlet port 38, respectively. The three ports of one three-way switching valve 42 are connected to the second connecting channel, the sampling air outlet line 6, and the high-pressure detection line 4, respectively, and the three ports of another three-way switching valve 42 are connected to the first connecting channel, the sampling air inlet line 7, and the low-pressure detection line 5, respectively. The low-pressure detection line 5 and the high-pressure detection line 4 are connected to the low-pressure connection connector 10 and the high-pressure connection connector 9, respectively, and the sampling air inlet line 7 and the sampling air outlet line 6 are connected to the air inlet tower connector 46 and the air outlet connection connector 11, respectively.

[0070] The specific implementation process is as follows:

[0071] The sampling end 34 of the sampling tube 33 is inserted into the exhaust duct until a proper depth is reached, so that the low pressure detection holes 40 and the high pressure detection holes 39 can detect the air pressure at different depths. When air pressure detection is required, both groups of the three-way switching valves 42 connect the first port and the second port, the air flow of the n groups of low pressure detection holes 40 is gathered into the first delivery channel, and is delivered to the low pressure port of the differential pressure gas pressure sensor 30 and the gauge pressure gas pressure sensor 31 through the first connecting channel, the three-way switching valve 42 and the low pressure detection pipeline 5. The air flow of the n groups of high pressure detection holes 39 is gathered into the second delivery channel, and is delivered to the high pressure port of the differential pressure gas pressure sensor 30 through the second connecting channel, the three-way switching valve 42 and the high pressure detection pipeline 4.

[0072] When component temperature detection is required, both groups of the three-way switching valves 42 connect the first port and the third port. The air flow in the air inlet hole 37 is gathered into the first delivery channel, and is delivered to the filtering unit 2 for filtering through the first connecting channel, the three-way switching valve 42 and the sampling air inlet pipeline 7. After the detection is completed, the detected air sample is returned to the exhaust duct through the sampling air outlet pipeline 6, the second connecting channel and the second delivery channel.

[0073] It is to be noted that the relative terms such as first and second etc. are used herein merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or device.

[0074] The above-mentioned are only embodiments of the present application, and the common knowledge of the specific structure and characteristics in the scheme is not described too much herein. The ordinary skilled person in the art knows all the ordinary technical knowledge in the field of the present application before the application date or the priority date, can know all the prior art in the field, and has the ability to apply the conventional experimental means before that date. The ordinary skilled person in the art can perfect and implement the present scheme under the guidance of the present application, combined with their own ability. Some typical known structures or known methods should not be an obstacle for the ordinary skilled person in the art to implement the present application. It should be pointed out that, for those skilled in the art, without departing from the structure of the present application, a number of modifications and improvements can be made, which should also be considered as the protection scope of the present application. The protection scope of the present application should be subject to the content of its claims, and the specific implementation mode and the like in the specification can be used to explain the content of the claims.

Claims

1. A comprehensive parameter measuring instrument system for extraction and drainage pipelines, characterized in that: The system includes a measuring unit (1), a collection unit (3), and a filtering unit (2). The collection unit (3) includes a sampling device and a diversion device. The sampling device is used to collect gas samples requiring component temperature detection and gas pressure detection from the extraction pipeline and deliver them to the diversion device. The diversion device delivers the gas sample requiring component temperature detection to the filtering unit (2) for filtration and the gas sample requiring gas pressure detection to the measuring unit (1) for detection. The sampling device includes a sampling tube (33), the upper side of which is connected to the diversion device, and the lower side is a sampling end (34). The sampling end (34) has a bullet-shaped cross-section. The front side is provided with a high pressure detection hole (39); the two sides of the sampling end (34) are provided with low pressure detection holes (40) that are height matched with the high pressure detection hole (39); the two sides of the sampling end (34) are respectively provided with an air inlet (37) and an air outlet (38), and the air inlet (37) and the air outlet (38) are located above the low pressure detection hole (40); the sampling tube (33) is provided with a conveying channel, which is used to convey the low pressure gas sample collected by the low pressure detection hole (40), the high pressure gas sample collected by the high pressure detection hole (39), and the gas sample conveyed by the air inlet (37) to the diversion device, and to convey the detected gas sample returned by the diversion device to the extraction pipe; High-pressure gas samples and low-pressure gas samples are transported to the measuring unit (1) for pressure and flow rate detection; the gas sample transported through the air inlet (37) is transported to the filtering unit (2) for filtration, and the filtered gas is transported to the measuring unit (1) for composition and temperature detection; the gas sample with composition and temperature detection after being detected by the measuring unit (1) is returned to the extraction pipeline through the collection unit (3); The measuring unit (1) includes a measuring housing, a battery device (25), a data processing device, a display device (17), a pressure and flow detection device, and a component and temperature detection device; the battery device (25), the data processing device, the pressure and flow detection device, and the component and temperature detection device are located inside the measuring housing; the data processing device is connected to the battery device (25), the display device (17), the pressure and flow detection device, and the component and temperature detection device respectively, and the data processing device sends the processed data to the display device (17) for display; the measuring housing is provided with an air inlet. The system includes a connecting connector (12), an outlet connecting connector (11), a low-pressure connecting connector (10), and a high-pressure connecting connector (9). The high-pressure connecting connector (9) is used to transport the high-pressure gas sample diverted by the diverting device to the pressure and flow detection device. The low-pressure connecting connector (10) is used to transport the low-pressure gas sample diverted by the diverting device to the pressure and flow detection device. The inlet connecting connector (12) is used to transport the gas sample filtered by the filter unit (2) to the composition and temperature detection device. The outlet connecting connector (11) is used to transport the gas after the composition and temperature detection device has completed its detection to the acquisition unit (3).

2. The comprehensive parameter measuring instrument system for extraction and drainage pipelines according to claim 1, characterized in that: The pressure and flow detection device includes a gauge pressure gas pressure sensor (31) and a differential pressure gas pressure sensor (30). The low-pressure connector (10) is connected to the low-pressure ports of the gauge pressure gas pressure sensor (31) and the differential pressure gas pressure sensor (30), respectively. The high-pressure connector (9) is connected to the high-pressure port of the differential pressure gas pressure sensor (30), respectively. The data processing device calculates the flow rate and pressure value of the extraction pipeline based on the detection data of the pressure and flow detection device.

3. The comprehensive parameter measuring instrument system for extraction and drainage pipelines according to claim 1, characterized in that: The component temperature detection device includes a temperature sensor, a methane sensor, a carbon monoxide sensor, and a negative pressure device (26). The measuring shell is provided with an air inlet chamber (29), a first test chamber (28), and a second test chamber (27) arranged sequentially. The air inlet chamber (29) is connected to the air inlet connector (12). The air inlet chamber (29) is equipped with a temperature sensor. The air inlet chamber (29) is connected to the first test chamber (28). The second test chamber (27) is connected to the first test chamber (28). The second test chamber (27) is connected to the negative pressure device (26). The methane sensor is installed in the first test chamber (28), and the carbon monoxide sensor is installed in the second test chamber (27).

4. The comprehensive parameter measuring instrument system for extraction and drainage pipelines according to claim 3, characterized in that: The data processing device includes a first circuit board (19), a second circuit board (23), a third circuit board (22), a fourth circuit board (24), a fifth circuit board (21), and a sixth circuit board (20). The first circuit board (19) is connected to the second circuit board (23), the third circuit board (22), the fourth circuit board (24), the fifth circuit board (21), and the sixth circuit board (20), respectively. The second circuit board (23) is connected to a methane sensor and is used to receive and process the methane content data detected by the methane sensor and transmit the processed data to the first circuit board (19). The temperature sensor is connected to the second circuit board (23) or the third circuit board (22) and is used to receive and process the temperature data detected by the temperature sensor and transmit the processed data to the first circuit board (19). The third circuit board (22) is used to receive and process the methane content data detected by the temperature sensor and transmit the processed data to the first circuit board (19). The carbon sensor detects carbon monoxide content data and transmits the processed data to the first circuit board (19); the fourth circuit board (24) receives and processes pressure data detected by the pressure and flow detection device and transmits the processed data to the first circuit board (19); the fifth circuit board (21) is connected to the negative pressure device (26) and is used to adjust the negative pressure device (26); the sixth circuit board (20) is connected to the display device (17) and is used to receive data from the first circuit board (19) and display it on the display device (17); the first circuit board (19) is also connected to a memory for storing data; the first circuit board (19) is also connected to a button device (16) for controlling the display device (17); the first circuit board (19) is connected to a battery device (25) and can monitor the voltage and capacity of the battery device (25).

5. The comprehensive parameter measuring instrument system for extraction and drainage pipelines according to claim 1, characterized in that: The measuring housing is also equipped with an atmospheric pressure sensor, which is connected to a data processing device and is used to detect the atmospheric pressure value of the surrounding environment.

6. The comprehensive parameter measuring instrument system for extraction pipelines according to claim 1, characterized in that: The measuring casing is equipped with a reading device, which is connected to the data processing device. The address and size information of the extraction and discharge pipe are written into the storage device. The reading device can read the information in the storage device and send the read information to the data processing device.

7. The comprehensive parameter measuring instrument system for extraction pipelines according to claim 1, characterized in that: The conveying channels are independently provided in four sections: a low-pressure detection conveying channel, a high-pressure detection conveying channel, an air inlet conveying channel, and an air outlet conveying channel. The low-pressure detection conveying channel is connected to the low-pressure detection hole (40), and the high-pressure detection conveying channel is connected to the high-pressure detection hole (39). The air inlet conveying channel is connected to the air inlet hole (37), and the air outlet conveying channel is connected to the air outlet hole (38). The diversion device includes a diversion seat (35), which is installed on the sampling tube (33). The diversion seat (35) has four connecting channels: a low-pressure connecting channel, a high-pressure connecting channel, an air inlet connecting channel, and an air outlet connecting channel. The low-pressure connecting channel is connected to the low-pressure detection conveying channel, the high-pressure connecting channel is connected to the high-pressure detection conveying channel, the air inlet connecting channel is connected to the air inlet conveying channel, and the air outlet connecting channel is connected to the air outlet conveying channel.

8. The comprehensive parameter measuring instrument system for extraction and drainage pipelines according to claim 1, characterized in that: The conveying channel is independently provided in two parts, namely the first conveying channel and the second conveying channel. One of the low-pressure detection hole (40) and the high-pressure detection hole (39) is connected to the first conveying channel, and the other is connected to the second conveying channel. One of the air inlet (37) and the air outlet (38) is connected to the first conveying channel, and the other is connected to the second conveying channel. The diversion device includes a diversion base (35) and two sets of switching components. The diversion base (35) is provided with two connecting channels, namely the first connecting channel and the second connecting channel. The first connecting channel is connected to the first conveying channel, and the second connecting channel is connected to the second conveying channel. The channels are connected; the two sets of switching components are respectively connected to the first connection channel and the second connection channel; each set of switching components includes a three-way switching valve (42), the first port of the three-way switching valve (42) is connected to the first connection channel or the second connection channel, the second port of the three-way switching valve (42) is connected to the low-pressure detection pipeline (5) or the high-pressure detection pipeline (4), and the third port of the three-way switching valve (42) is connected to the sampling inlet pipeline (7) or the sampling outlet pipeline (6); the three-way switching valve (42) can switch the connection state between the first port and the second port, and between the first port and the third port.

9. The comprehensive parameter measuring instrument system for extraction and drainage pipelines according to claim 3, characterized in that: The filter unit (2) includes a filter housing (48) and a flow meter (52), a primary filter (49), a secondary filter (50), and a tertiary filter (51) disposed within the filter housing (48). The filter housing (48) has a filter chamber for housing the primary filter (49), the secondary filter (50), and the tertiary filter (51) and a detection chamber for housing the flow meter (52). The bottom of the filter housing (48) has an air inlet channel and an air outlet channel. The primary filter (49) and the secondary filter (50) are located on opposite sides of the air inlet channel and the air outlet channel, respectively. The primary filter (49) is located on the side closer to the air inlet channel, and the secondary filter (50) is located on the side closer to the air inlet channel. The third-stage filter (51) is located on the side near the air outlet channel; the third-stage filter (51) is located above the second-stage filter (50); the air inlet channel is connected to the external air inlet pipe and the inlet of the first-stage filter (49) respectively, the outlet of the first-stage filter (49) is connected to the inlet of the second-stage filter (50), and the outlet of the second-stage filter (50) is connected to the inlet of the third-stage filter (51); the flow meter (52) is located on one side of the third-stage filter (51), the outlet of the third-stage filter (51) is connected to the inlet of the flow meter (52), and the outlet of the flow meter (52) is connected to the air outlet channel; the filter housing (48) is made of acrylic; the negative pressure device (26) is adjusted according to the display of the flow meter (52).

10. The comprehensive parameter measuring instrument system for extraction pipelines according to claim 9, characterized in that: The bottom of the filter housing (48) is provided with two first sealing ports, which are respectively connected to the filter chambers of the primary filter (49) and the secondary filter (50); a first sealing element (45) is provided inside the first sealing port, which is used to seal the first sealing port; the top of the filter housing (48) is provided with a second sealing port and a third sealing port, which are respectively connected to the filter chamber and the detection chamber of the tertiary filter (51), and a second sealing element (53) is provided inside the second sealing port and the third sealing port, respectively. The first sealing port is provided with a first threaded hole, and the first sealing member (45) is provided with a first threaded segment that matches the first threaded hole. The first sealing member (45) is threadedly connected to the first threaded hole. The second sealing port is provided with a second threaded hole, and the second sealing member (53) is provided with a second threaded segment that matches the second threaded hole. The second sealing member (53) is threadedly connected to the second threaded hole. The third sealing port is provided with a third threaded hole. The third sealing element (54) is provided with a third threaded section that matches the third threaded hole, and the third sealing element (54) is threadedly connected to the third threaded hole; a spring (55) is provided between the primary filter device (49) and the corresponding first sealing element (45) and between the secondary filter device (50) and the corresponding first sealing element (45), and the spring (55) is used to press the primary filter device (49) and the secondary filter device (50) against each other in the filter chamber; the air intake channel is connected to the lower side of the filter chamber corresponding to the primary filter device (49) through a first channel (56); the primary... The upper side of the filter chamber corresponding to the filter device (49) is connected to a second channel (57), and the second channel (57) is connected to the lower side of the filter chamber corresponding to the secondary filter device (50); the upper side of the filter chamber corresponding to the secondary filter device (50) is connected to the lower side of the filter chamber corresponding to the tertiary filter device (51) through a third channel (58); the upper side of the filter chamber corresponding to the tertiary filter device (51) is connected to a fourth channel (59), and the fourth channel (59) is connected to a flow meter (52) in the detection chamber; the upper side of the detection chamber is connected to the air outlet channel through a fifth channel (60).

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