Mining oxygen sensor

Abstract

The utility model discloses a mining oxygen sensor, which relates to the technical field of oxygen sensors and comprises an outer shell and a monitoring box, a connecting seat is arranged at the lower end of the outer shell, a connecting cylinder is arranged between the lower end of the connecting seat and the monitoring box, and a movable ring is arranged on the outer side of the connecting seat. According to the mining oxygen sensor, by arranging a movable ring, a brushing assembly, a vent hole and the like, in daily use, a driving motor drives a driving gear to rotate, so that the movable ring is synchronously driven to rotate, the brushing assembly rotates around a monitoring box, a cleaning brush brushes the vent hole, the vent hole is prevented from being blocked, and air conveniently enters a monitoring cavity; and by arranging a ventilation fan, a monitoring cavity, a ventilation hole and the like, when the oxygen content in the air is detected, the ventilation fan is used for driving the air to circulate, so that external air enters the monitoring cavity, the circulation effect of the air is ensured, the accuracy of monitoring data is improved, and the safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen sensors, in particular to an oxygen sensor for mining. Background Art

[0002] Safety management is very important in mine operations. In order to detect the oxygen content underground, oxygen sensors are needed to monitor the gas in the well. When the oxygen concentration is too low, it will pose a threat to the life safety of the workers.

[0003] For example, publication number CN105136997B discloses a GYH25 coal mine oxygen sensor, including a shell and an oxygen monitoring device, the shell is provided with a handle, the shell includes an upper shell and a lower shell, the upper shell and the lower shell are connected by a support arm, the upper shell is provided with a display window and an alarm window, the lower shell includes a sensor placement cavity and a gas monitoring cavity arranged on both sides of the sensor placement cavity, the oxygen monitoring device includes a battery, an oxygen sensor, a signal converter, a signal amplifier, a filter, a data acquisition card, a data storage device, a CPU unit, a digital tube display, a single chip microcomputer, an alarm instrument, a wireless transmission module, the Internet, and a remote monitoring host. The present invention adopts an electronic instrument with electrochemical principle, embedded controller intelligent control, and digital tube display, which is simple to operate, easy to use, safe and reliable, and is mainly used for oxygen detection and alarm, and the detection range of oxygen can reach 0-25% O2;

[0004] The mining oxygen sensor in this patent achieves air circulation through vents, which is convenient for air detection. However, the air in the mine contains a large amount of impurities, which will cause the vents to be blocked, affecting the air circulation. At the same time, the air needs to enter the lower shell and allow the oxygen monitoring device to detect the air. However, the air circulation underground is poor, which can easily cause inaccurate monitoring data and pose certain safety hazards. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides a mining oxygen sensor, which solves the problem that the air in the mine contains a large amount of impurities, which will cause the vents to be blocked and affect the air circulation. At the same time, the air needs to enter the lower shell and enable the oxygen monitoring device to detect the air. However, the air circulation underground is poor, which can easily cause inaccurate monitoring data and pose certain safety hazards.

[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a mining oxygen sensor, comprising an outer shell and a monitoring box, a connecting seat is provided at the lower end of the outer shell, a connecting tube is provided between the lower end of the connecting seat and the monitoring box, a movable ring is provided on the outer side of the connecting seat, a cleaning brush assembly is installed at the lower end of the movable ring, a ventilation fan is provided at the lower end of the monitoring box, a monitoring cavity is provided inside the monitoring box, an oxygen sensor is provided inside the monitoring cavity, and a vent is provided on the surface of the monitoring box.

[0007] Preferably, a connecting groove is provided on the surface of the connecting seat, and the connecting groove is slidably connected to the movable ring. The movable ring is designed in an annular structure, and a tooth groove is provided on the inner surface of the movable ring.

[0008] Preferably, a gear cavity is provided at the right end inside the connecting seat, the gear cavity and the right end of the connecting slot are connected to each other, a driving gear is installed in the gear cavity, a driving motor is installed inside the connecting seat, the output end of the driving motor extends to be fixedly connected with the driving gear, and the driving gear is meshingly connected with the tooth groove.

[0009] Preferably, the cleaning brush assembly includes a mounting plate having an arc-shaped structure, two mounting plates are symmetrically arranged on the left and right sides of the movable ring, the upper ends of the two mounting plates are fixedly connected to the movable ring, and a cleaning brush is arranged on the inner side of the mounting plate.

[0010] Preferably, the upper end of the ventilation fan and the monitoring chamber are connected to each other, and the monitoring chamber and the outer shell are connected through a connecting tube.

[0011] Preferably, the ventilation holes are arranged in two groups on the front and rear sides of the monitoring box, the ventilation holes in each group are distributed at equal intervals, and the ventilation holes are connected to the monitoring cavity.

[0012] Beneficial Effects

[0013] The utility model provides a mining oxygen sensor. Compared with the prior art, it has the following beneficial effects:

[0014] 1. The mining oxygen sensor is provided with a movable ring, a cleaning brush assembly and a vent, etc. In daily use, the driving motor drives the driving gear to rotate, thereby synchronously driving the movable ring to rotate, so that the cleaning brush assembly rotates around the monitoring box, and the cleaning brush cleans the vent to prevent the vent from being blocked, making it convenient for air to enter the monitoring cavity, thereby improving practicality.

[0015] 2. The mining oxygen sensor, by setting up ventilation fans, monitoring chambers and vents, uses ventilation fans to drive air circulation when detecting the oxygen content in the air, so that external air enters the monitoring chamber, ensuring the air circulation effect, improving the accuracy of monitoring data, and improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a schematic diagram of the internal structure of the utility model;

[0018] Figure 3 For this utility model Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4 It is a schematic diagram of the cross-sectional structure of the connecting base of the utility model when viewed from above.

[0020] In the figure: 1. outer shell; 2. monitoring box; 3. connecting tube; 4. connecting seat; 41. connecting slide; 42. gear cavity; 43. driving gear; 44. driving motor; 5. movable ring; 51. tooth groove; 6. cleaning brush assembly; 61. mounting plate; 62. cleaning brush; 7. ventilation fan; 8. monitoring cavity; 9. vent. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 The utility model provides a technical solution: a mining oxygen sensor, including an outer shell 1 and a monitoring box 2, a connecting seat 4 is arranged at the lower end of the outer shell 1, a connecting tube 3 is arranged between the lower end of the connecting seat 4 and the monitoring box 2, a movable ring 5 is arranged on the outer side of the connecting seat 4, a connecting slide groove 41 is opened on the surface of the connecting seat 4, the connecting slide groove 41 and the movable ring 5 are slidably connected, the movable ring 5 is designed in an annular structure, a tooth groove 51 is arranged on the inner surface of the movable ring 5, a gear cavity 42 is arranged on the right end inside the connecting seat 4, the gear cavity 42 and the right end of the connecting slide groove 41 are connected to each other, a driving gear 43 is installed in the gear cavity 42, a driving motor 44 is installed inside the connecting seat 4, the output end of the driving motor 44 extends to be fixedly connected with the driving gear 43, the driving gear 43 is meshed with the tooth groove 51, the driving motor 44 is used to drive the driving gear 43 to rotate, and the meshing of the driving gear 43 and the tooth groove 51 drives the movable ring 5 to rotate, so as to realize the cleaning of the vent 9;

[0023] A cleaning brush assembly 6 is installed at the lower end of the movable ring 5. The cleaning brush assembly 6 includes a mounting plate 61. The mounting plate 61 is designed in an arc-shaped structure. Two mounting plates 61 are symmetrically arranged on the left and right sides of the movable ring 5. The upper ends of the two mounting plates 61 are fixedly connected to the movable ring 5. A cleaning brush 62 is arranged on the inner side of the mounting plate 61. When the movable ring 5 rotates, the cleaning brush assembly 6 rotates around the monitoring box 2, and the cleaning brush 62 cleans the vent 9 to prevent the vent 9 from being blocked.

[0024] A ventilation fan 7 is provided at the lower end of the monitoring box 2, and a monitoring cavity 8 is provided inside the monitoring box 2. The upper end of the ventilation fan 7 and the monitoring cavity 8 are connected to each other, and the monitoring cavity 8 and the outer shell 1 are connected through the connecting tube 3. An oxygen sensor is provided on the inner side of the monitoring cavity 8, and air vents 9 are provided on the surface of the monitoring box 2. The air vents 9 are located in two groups on the front and back sides of the monitoring box 2, and each group of air vents 9 is distributed at equal intervals. The air vents 9 and the monitoring cavity 8 are connected, and the ventilation fan 7 is used to drive air circulation, so that external air enters the monitoring cavity 8, thereby ensuring the air circulation effect, improving the accuracy of the monitoring data, and improving the safety.

[0025] During operation, the air in the mine enters the monitoring cavity 8 through the air vent 9, so that the oxygen sensor detects the air to confirm the oxygen content in the air, and uses the drive motor 44 to drive the drive gear 43 to rotate, and the engagement of the drive gear 43 and the tooth groove 51 drives the movable ring 5 to rotate, so that the cleaning brush assembly 6 rotates around the monitoring box 2, and the cleaning brush 62 cleans the air vent 9 to avoid blockage of the air vent 9, thereby ensuring the air circulation effect. At the same time, the ventilation fan 7 is used to drive the air circulation, so that the external air enters the monitoring cavity 8, ensuring the air circulation effect, improving the accuracy of the monitoring data, and improving the safety.

[0026] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

Claims

1. A mining oxygen sensor, comprising an outer shell (1) and a monitoring box (2), characterized in that: A connecting seat (4) is provided at the lower end of the outer shell (1), a connecting tube (3) is provided between the lower end of the connecting seat (4) and the monitoring box (2), a movable ring (5) is provided on the outer side of the connecting seat (4), a cleaning component (6) is installed on the lower end of the movable ring (5), a ventilation fan (7) is provided at the lower end of the monitoring box (2), a monitoring cavity (8) is provided inside the monitoring box (2), an oxygen sensor is provided inside the monitoring cavity (8), and a vent (9) is provided on the surface of the monitoring box (2).

2. A mining oxygen sensor according to claim 1, characterized in that: The surface of the connecting seat (4) is provided with a connecting groove (41), the connecting groove (41) is slidably connected to the movable ring (5), the movable ring (5) is designed in an annular structure, and the inner surface of the movable ring (5) is provided with a tooth groove (51).

3. A mining oxygen sensor according to claim 2, characterized in that: A gear cavity (42) is provided at the right end inside the connecting seat (4), the gear cavity (42) and the right end of the connecting slide groove (41) are connected to each other, a driving gear (43) is installed in the gear cavity (42), a driving motor (44) is installed inside the connecting seat (4), an output end of the driving motor (44) extends to be fixedly connected to the driving gear (43), and the driving gear (43) is meshedly connected to the tooth groove (51).

4. A mining oxygen sensor according to claim 1, characterized in that: The cleaning brush assembly (6) comprises a mounting plate (61) having an arc-shaped structure. Two mounting plates (61) are symmetrically arranged on the left and right sides of the movable ring (5). The upper ends of the two mounting plates (61) are fixedly connected to the movable ring (5). A cleaning brush (62) is arranged on the inner side of the mounting plate (61).

5. The mining oxygen sensor according to claim 1, characterized in that: The upper end of the ventilation fan (7) and the monitoring chamber (8) are connected to each other, and the monitoring chamber (8) and the outer shell (1) are connected via a connecting tube (3).

6. The mining oxygen sensor according to claim 1, characterized in that: The ventilation holes (9) are arranged in two groups on the front and rear sides of the monitoring box (2), and the ventilation holes (9) in each group are distributed at equal intervals. The ventilation holes (9) are connected to the monitoring cavity (8).

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