Underground five-parameter testing instrument device

Abstract

The utility model relates to the technical field of underground five-parameter testing. The underground five-parameter testing instrument device comprises a detection structure, and the detection structure comprises a protective shell, a micro air extracting pump and a gas sensor; and the connecting structure comprises a fixed seat, four groups of clamping rings, a filter element and a locking seat. After the extension pipe is inserted into the connecting ring, the lower end of the extension pipe can abut against the upper surface of the filter element, then the locking seat can be driven to move downwards by rotating the connecting ring, then the locking seat can abut against the four sets of clamping rings when moving downwards, and acting force shrinking inwards is applied to the four sets of clamping rings, so that the filter element is clamped. At the moment, the four sets of clamping rings and the connecting plates can contract inwards, so that the extension pipe can be clamped, the extension pipe can be connected according to the testing range when the device is used through the design, and therefore the testing range of the device can be effectively widened.

Description

Technical Field

[0001] This utility model relates to the field of downhole five-parameter testing technology; more specifically, it relates to a downhole five-parameter testing instrument and device. Background Technology

[0002] The five underground parameters refer to five key safety indicators monitored in real time in underground working environments such as coal mines. These include temperature, carbon dioxide, methane concentration, carbon monoxide concentration, and oxygen concentration. Temperature monitoring is used to detect fire hazards and equipment overheating; carbon dioxide monitoring can prevent oxygen deficiency in confined spaces; methane concentration detection prevents the risk of gas explosions; carbon monoxide concentration monitoring provides early warning of fires or spontaneous combustion of coal; and oxygen concentration monitoring ensures personnel respiratory safety and prevents oxygen-rich combustion. These five indicators are collected synchronously through integrated sensors, providing core environmental data support for safe mine production. Their combination can cover the precursory characteristics of major accidents such as gas outbursts, fires, and asphyxiation. It is the basic configuration of a mine safety monitoring system. Different mines may fine-tune the parameter combinations according to actual needs, but the core remains unchanged.

[0003] The main function of the underground five-parameter testing instrument is to monitor key environmental parameters in coal mines in real time and continuously. By timely detecting changes in the concentration of hazardous gases, oxygen deficiency or abnormal ventilation, abnormal temperature rise, etc., it provides early warning and decision-making basis for preventing major safety accidents such as gas explosions, fires, and asphyxiation, thus ensuring the safety of personnel and mine production.

[0004] A search revealed a gas detector for underground coal mines disclosed in patent document CN212255233U. The gas detector includes a main body with a sampling pump connection portion located in a groove at its top. This connection portion includes a pipe head for connecting to an external sampling pump and a locking element for securing the connection. The locking element comprises a locking clamp with an opening surrounding the pipe head, a connector for connecting to the opening of the locking clamp, and an operating element for rotating the connecting piece. The two ends of the connecting piece are rotatably connected to the two ends of the locking clamp. The operating element extends from the front of the gas detector and engages with a limiting groove on the front of the gas detector for positioning. This invention addresses the technical problem of inconvenience in locking existing gas detectors when connecting to an external sampling pump.

[0005] However, the applicant believes that the shortcomings are as follows:

[0006] 1. The above-mentioned device lacks a connecting extension tube structure, which makes it impossible for the device to be extended into confined spaces (such as blind alleys or inside equipment) for safety detection, resulting in a relatively limited detection range when the device is in use;

[0007] 2. The above-mentioned device does not have a dust filter structure inside, which makes it easy for dust in the gas to directly enter the core sensor and circuit system, which may affect the accuracy of sensor detection. Therefore, there is an urgent need for a downhole five-parameter testing instrument to solve the above problems. Utility Model Content

[0008] In order to overcome the above-mentioned defects of the prior art, the present invention provides a downhole five-parameter testing instrument device to solve the problems existing in the background art.

[0009] This utility model provides the following technical solution: a downhole five-parameter testing instrument device, comprising:

[0010] The detection structure includes a protective shell, a miniature air pump, and a gas sensor.

[0011] The connection structure includes a fixed base, a clamping ring, a filter element, and a locking base. The clamping ring is provided in four sets, and the lower end of the fixed base is fixedly connected to the upper surface of the protective shell.

[0012] Preferably, a display screen is installed inside one side surface of the protective shell, an exhaust hole is connected inside one side of the upper surface of the protective shell, and anti-slip strips are fixedly connected to the outer surfaces of both sides of the protective shell. The anti-slip strips are made of rubber. Due to the high coefficient of friction of rubber, the friction between the rubber and the user's hand can be increased, thereby effectively improving the stability of the user when holding the device.

[0013] Preferably, the miniature air pump is installed inside the upper part of the protective shell, the output end of the miniature air pump is connected to an air inlet pipe, and the air inlet pipe is inserted inside the middle position of the upper surface of the protective shell. A battery is installed inside the lower part of the protective shell, which can provide a power source for the whole device. After the miniature air pump is started, it can draw in external gas through the air inlet pipe.

[0014] Preferably, the output end of the miniature air pump is connected to an air outlet pipe, a gas sensor is installed on the surface of one side of the upper inner side of the protective shell, and a temperature sensor is installed on one side of the upper surface of the protective shell. After the miniature air pump draws in gas, it can discharge it to the outside through the air outlet pipe. At this time, the gas sensor can detect the components in the gas.

[0015] Preferably, the interior of the fixed seat is connected to the interior of the air intake pipe. The interior of the fixed seat is provided with a connecting seat, and the lower surface of the connecting seat is attached to the upper surface of the protective shell. The upper surface of the connecting seat is fixedly connected with a connecting plate, and there are four sets of connecting plates arranged in a ring. The four sets of connecting plates are made of polypropylene and can deform to a certain extent when subjected to pressure.

[0016] Preferably, the upper ends of the four sets of connecting plates are all fixedly connected with clamping rings, and the inner surfaces of the four sets of clamping rings are all provided with anti-slip washers. The filter element is engaged inside the fixed seat. When the gas enters the air inlet pipe through the fixed seat, it will first pass through the inside of the filter element for filtration. At this time, the filter element can effectively filter impurities in the gas.

[0017] Preferably, the locking seat is threaded to the inside of the upper end of the fixed seat, and a connecting ring is fixedly connected to the upper end of the locking seat. The outer surface of the connecting ring is provided with anti-slip texture. The anti-slip texture can effectively increase the friction between the outer surface of the connecting ring and the user's fingers, so that the user can rotate the connecting ring more easily.

[0018] Preferably, a limiting groove is provided inside the lower end of the locking seat, and the size of the limiting groove is adapted to the size of the four sets of clamping rings. When the connecting ring rotates, it can drive the locking seat to rotate inside the fixed seat and move longitudinally. When the locking seat moves downward, it will abut against the four sets of clamping rings and apply an inward contraction force to them. At this time, the four sets of clamping rings and the connecting plate can contract inward, thereby clamping the extension tube.

[0019] The technical effects and advantages of this utility model are as follows: After the extension tube is inserted into the inside of the connecting ring, its lower end can abut against the upper surface of the filter element. Then, rotating the connecting ring can drive the locking seat to move downward. When the locking seat moves downward, it will abut against the four sets of clamping rings and apply an inward contraction force to them. At this time, the four sets of clamping rings and the connecting plate can contract inward, thereby clamping the extension tube. This design allows the device to connect the extension tube according to the test range during use, thereby effectively improving the test range of the device.

[0020] The filter element effectively filters the gas passing through the fixed base, intercepting impurities and preventing them from being sucked into the miniature air pump and protective housing. Rotating the connecting ring disengages the locking seat from the fixed base, and then the inverted device removes the connecting seat from the fixed base. At this point, the operator can remove the filter element for cleaning or replacement. This design effectively prevents impurities in the gas from affecting the testing process. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0022] Figure 2 This is a three-dimensional cross-sectional view of the detection structure of this utility model.

[0023] Figure 3This is a schematic diagram showing the usage state of the connection structure of this utility model.

[0024] Figure 4 This is an exploded three-dimensional structural diagram of the connection structure of this utility model.

[0025] Figure 5 This is a three-dimensional cross-sectional view of the connection structure of this utility model.

[0026] The attached diagram is labeled as follows: 1. Detection structure; 11. Protective housing; 12. Display screen; 13. Exhaust port; 14. Anti-slip strip; 15. Miniature air pump; 16. Air inlet pipe; 17. Air outlet pipe; 18. Gas sensor; 19. Temperature sensor; 2. Connection structure; 21. Fixing base; 22. Connecting base; 23. Connecting plate; 24. Clamping ring; 25. Filter element; 26. Locking base; 27. Connecting ring. Detailed Implementation

[0027] The technical solution of this utility model will be clearly and completely described below with reference to the accompanying drawings. In addition, the forms of the various structures described in the following embodiments are merely illustrative. The downhole five-parameter testing instrument device involved in this utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] Example 1, as Figures 1 to 3As shown, this utility model provides a downhole five-parameter testing instrument device, including: a detection structure 1, which includes a protective shell 11, a miniature air pump 15, and a gas sensor 18. A display screen 12 is installed inside one side surface of the protective shell 11, and an exhaust port 13 is connected to the inside of one side of the upper surface of the protective shell 11. Anti-slip strips 14 are fixedly connected to the outer surfaces of both sides of the protective shell 11. The miniature air pump 15 is installed inside the upper end of the protective shell 11, and the output end of the miniature air pump 15 is connected to an air inlet pipe 16, which is inserted into the middle of the upper surface of the protective shell 11. The output end of the miniature air pump 15 is connected to an air outlet pipe 17. A gas sensor 18 is installed on one side of the inner surface of the upper end of the protective shell 11, and a temperature sensor 19 is installed on one side of the upper surface of the protective shell 11. The anti-slip strips 14 are made of rubber. Due to the high coefficient of friction of rubber, they can improve the friction with the surface of the protective shell 11. The friction between the user's hands effectively improves the stability of the device when held, and the rubber material has good elasticity, thus improving the feel of the grip. The lower end of the protective shell 11 is equipped with a battery to provide power for the entire device. After the miniature air pump 15 is started, it can draw in external gas through the air inlet pipe 16 and then discharge the gas through the air outlet pipe 17. At this time, the gas sensor 18 can detect the composition of the gas. The exhaust port 13 can discharge the gas inside the protective shell 11 to the outside, thereby preventing the air pressure inside the upper part of the protective shell 11 from being too high. During use, the temperature sensor 19 can detect the temperature, and the data detected by the gas sensor 18 and the temperature sensor 19 can be displayed on the display screen 12, allowing the user to observe the detected data more intuitively.

[0029] The display screen 12, air inlet pipe 16, gas sensor 18 and temperature sensor 19 used in this application are all products that can be purchased directly on the market. Their principles, connection methods and control methods are all existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0030] Example 2, as Figures 1 to 5As shown, this embodiment also proposes a connecting structure 2, which includes a fixing seat 21, clamping rings 24, a filter element 25, and a locking seat 26. Four sets of clamping rings 24 are provided. The lower end of the fixing seat 21 is fixedly connected to the upper surface of the protective shell 11. The interior of the fixing seat 21 is connected to the interior of the air intake pipe 16. A connecting seat 22 is provided inside the fixing seat 21, and the lower surface of the connecting seat 22 is attached to the upper surface of the protective shell 11. A connecting plate 23 is fixedly connected to the upper surface of the connecting seat 22, and four sets of connecting plates 23 are provided, arranged in a ring. Clamping rings 24 are fixedly connected to the upper ends of each of the four sets of connecting plates 23. Anti-slip washers are provided on the inner surface of each of the four clamping rings 24. The filter element 25 is engaged inside the fixing seat 21. The locking seat 26 is threadedly connected to the upper part of the fixing seat 21. A connecting ring 27 is fixedly connected to the upper end of the locking seat 26, and anti-slip textures are provided on the outer surface of the connecting ring 27. A limiting groove is provided inside the lower end of the locking seat 26, and the size of the limiting groove matches the size of the four clamping rings 24. In use, the extension tube can be inserted into the connecting ring 27. When the lower end of the extension tube abuts against the upper surface of the filter element 25, it indicates that the extension tube is properly inserted. Rotating the connecting ring 27 will cause the locking seat 26 to rotate, and the anti-slip textures effectively prevent slippage. To increase the friction between the outer surface of the connecting ring 27 and the user's fingers, the user can rotate the connecting ring 27 more easily. While the locking seat 26 rotates inside the fixing seat 21, it also moves longitudinally. When the locking seat 26 moves downwards, the limiting groove inside its lower end abuts against the four sets of clamping rings 24 and applies an inward contraction force. At this time, the four sets of clamping rings 24 and the connecting plate 23 can contract inwards. The four sets of clamping rings 24 can then clamp the outer surface of the extension tube. Furthermore, because rubber has a high coefficient of friction, the anti-slip washers improve the clamping and fixing effect of the four sets of clamping rings 24 on the extension tube. Stability is ensured by this design, which allows the extension tube to be connected according to the test range, thereby effectively increasing the test range of the device. The filter element 25 can effectively filter the gas passing through the fixed base 21, intercepting impurities in the gas and preventing them from being sucked into the miniature air pump 15 and the protective shell 11. Rotating the connecting ring 27 can drive the locking seat 26 to disengage from the fixed base 21. Then, by inverting the device, the connecting seat 22 can be removed from the fixed base 21. At this time, the filter element 25 can be removed for cleaning or replacement. This design can effectively prevent impurities in the gas from affecting the testing process.

[0031] Working principle: When using the equipment, first select an extension tube of appropriate length according to the test range. Then insert the extension tube into the inside of the connecting ring 27 so that its lower end abuts against the upper surface of the filter element 25. Then rotate the connecting ring 27 to drive the locking seat 26 to move downward. When the locking seat 26 moves downward, it will abut against the four sets of clamping rings 24 and the connecting plate 23 to retract inward. At this time, the four sets of clamping rings 24 can clamp and fix the extension tube.

[0032] During testing, the miniature air pump 15 is first started. Then, the miniature air pump 15 draws external gas into its interior through the air inlet pipe 16 and the mounting base 21. At this time, the filter element 25 can effectively filter the gas passing through the mounting base 21. The filtered gas is then discharged into the interior of the upper part of the protective shell 11 through the air outlet pipe 17. At this time, the gas sensor 18 can detect the gas. Then, the excess gas inside the upper part of the protective shell 11 will be discharged outward through the exhaust port 13. Finally, the results detected by the gas sensor 18 and the temperature sensor 19 can be displayed on the display screen 12. The above is the complete working principle of this utility model.

[0033] All threaded parts and movable parts in this application require regular cleaning and maintenance (including but not limited to dust removal and lubrication) to ensure their normal operation.

[0034] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0035] Secondly: The accompanying drawings of the embodiments disclosed in this utility model only involve the structures involved in the embodiments disclosed in this utility model. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this utility model can be combined with each other.

[0036] In conclusion, the above are merely preferred embodiments of this utility model and are not intended to limit this utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A downhole five-parameter testing instrument device, characterized in that, include: The detection structure (1) includes a protective shell (11), a miniature air pump (15), and a gas sensor (18); The connection structure (2) includes a fixed seat (21), a clamping ring (24), a filter element (25) and a locking seat (26). The clamping ring (24) is provided in four sets. The lower end of the fixed seat (21) is fixedly connected to the upper surface of the protective shell (11).

2. The downhole five-parameter testing instrument device according to claim 1, characterized in that: A display screen (12) is installed inside one side surface of the protective shell (11), an exhaust hole (13) is connected inside one side of the upper surface of the protective shell (11), and anti-slip strips (14) are fixedly connected to the outer surfaces on both sides of the protective shell (11).

3. The downhole five-parameter testing instrument device according to claim 1, characterized in that: The miniature air pump (15) is installed inside the upper end of the protective shell (11). The output end of the miniature air pump (15) is connected to an air inlet pipe (16), and the air inlet pipe (16) is inserted inside the middle position of the upper surface of the protective shell (11).

4. The downhole five-parameter testing instrument device according to claim 3, characterized in that: The output end of the micro air pump (15) is connected to an air outlet pipe (17). A gas sensor (18) is installed on the surface of the upper inner side of the protective shell (11), and a temperature sensor (19) is installed on one side of the upper surface of the protective shell (11).

5. The downhole five-parameter testing instrument device according to claim 1, characterized in that: The interior of the fixed seat (21) is connected to the interior of the air intake pipe (16). The interior of the fixed seat (21) is provided with a connecting seat (22), and the lower surface of the connecting seat (22) is attached to the upper surface of the protective shell (11). The upper surface of the connecting seat (22) is fixedly connected with a connecting plate (23), and there are four sets of connecting plates (23), which are arranged in a ring.

6. The downhole five-parameter testing instrument device according to claim 5, characterized in that: The upper ends of the four sets of connecting plates (23) are all fixedly connected with clamping rings (24), and anti-slip pads are provided on the inner surfaces of the four sets of clamping rings (24). The filter element (25) is engaged inside the fixed seat (21).

7. The downhole five-parameter testing instrument device according to claim 1, characterized in that: The locking seat (26) is threaded to the inside of the upper end of the fixed seat (21). The upper end of the locking seat (26) is fixedly connected to a connecting ring (27), and the outer surface of the connecting ring (27) is provided with anti-slip texture.

8. The downhole five-parameter testing instrument device according to claim 1, characterized in that: The locking seat (26) has a limiting groove inside its lower end, and the size of the limiting groove is adapted to the size of the four sets of clamping rings (24).

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