Novel gas detection device

Abstract

The utility model relates to a novel gas detection device. According to the technical scheme, a gas detector is installed on the left edge of the bottom of a box body, the upper gas inlet end of the gas detector communicates with the left side of a U-shaped transverse plate, a first through hole is formed in the left side of the U-shaped transverse plate, a movable plate is slidably inserted into a sliding groove of the U-shaped transverse plate, and a fixing lug is fixedly connected to the left side of the front side wall of the movable plate; a second through hole is formed in the position, corresponding to the first through hole, of the left end of the movable plate, a filter box is movably inserted into the second through hole, an air inlet pipe is arranged on the upper portion of the second through hole, an air pump is installed on the air inlet pipe, and a body of the air pump is fixedly installed on the inner wall of the front side of the box body; a filter box storage mechanism is arranged on the upper portion of the plate wall of the moving plate on the right side of the air inlet pipe, and the moving plate moves left and right through a driving mechanism installed in the box. The device has the beneficial effects that the filter box is automatically replaced, and the detection convenience is improved.

Description

Technical Field

[0001] The utility model belongs to the field of mining gas detection and relates to a novel gas detection device. Background Art

[0002] Harmful gases in mines refer to gases that are harmful to the human body. They mainly include carbon monoxide, carbon dioxide, hydrogen sulfide, sulfur dioxide, ammonia, etc., and explosive gases such as biogas methane, hydrogen, and methane homologues ethane and propane. The gas concentration in coal mines directly affects the personal safety of operators. Since the gas in the mine contains a large amount of dust particles, it not only affects the data accuracy of the detection equipment, but also causes equipment blockage. Therefore, it is necessary to filter the detected gas. Common detection devices require manual replacement of the filter box. Due to the complex terrain in the mine, manual replacement is not locked and there are risks.

[0003] Therefore, the utility model provides a novel gas detection device to solve the above problems. Utility Model Content

[0004] In view of the problems existing in the prior art, the utility model discloses a novel gas detection device, which adopts the technical solution of comprising a gas detector and a box body, wherein the gas detector is installed at the left edge of the bottom of the box body, the lower exhaust pipe of the gas detector passes through the bottom of the box body, the upper air inlet end of the gas detector is connected with the left side of the U-shaped cross plate, the left side of the U-shaped cross plate has a first through hole, the left ends of the U-shaped cross plate are fixedly connected with the left and right side walls of the box body, a movable plate is slidably inserted in the slide groove of the U-shaped cross plate, the left side of the front side wall of the movable plate is fixedly connected with the fixed ear, and the two ends of the movable plate The ends respectively penetrate the left and right side walls of the box body, the length of the movable plate is greater than the width of the box body, a second through hole is provided at the position of the left end of the movable plate corresponding to the first through hole, the aperture of the second through hole is greater than the first through hole, a filter box is movably inserted in the second through hole, an air intake pipe is provided at the upper part of the second through hole, the upper end opening of the air intake pipe penetrates the top of the box body, an air pump is installed on the air intake pipe, the body of the air pump is fixedly installed on the front inner wall of the box body, a filter box storage mechanism is provided on the upper part of the plate wall of the movable plate on the right side of the air intake pipe, and the movable plate is moved left and right by a driving mechanism installed in the box body.

[0005] As a preferred solution of the utility model, a filter is arranged in the upper end of the air intake pipe, the outer side of the lower end of the air intake pipe is inserted into the first fixed plate, and the front and rear ends of the first fixed plate are fixedly connected to the front and rear side walls of the box.

[0006] As a preferred solution of the utility model, the filter box storage mechanism includes a storage tube, the upper and lower ends of the storage tube are movably inserted in the second fixing plate respectively, the front and rear ends of the upper and lower second fixing plates are fixedly connected to the front and rear side walls of the box body respectively, and notches are symmetrically provided on the front and rear sides of the opening of the upper second fixing plate, and limit blocks are fixedly arranged on the tube walls facing the front and rear notches respectively, and the upper surface of the limit block is in sliding contact with the lower surface of the upper second fixing plate, and a plurality of the filter boxes are stacked in sequence from bottom to top in the storage tube, a spring is placed on the top of the uppermost filter box, and a plugging cap is screwed on the upper end of the storage tube; by adopting the filter box storage mechanism, under the action of the spring and in coordination with the left and right movement of the movable plate, the movable plate aligns the second through hole at the lower part of the storage tube, and the internally stacked filter box is squeezed into the second through hole, and then the movable plate is moved so that the filter box in the second through hole is aligned with the first through hole, thereby realizing automatic replacement and installation of the filter box.

[0007] As a preferred solution of the utility model, the driving mechanism includes a screw rod, which is sleeved in the fixing ear, and the left and right ends of the screw rod respectively pass through the side walls of the box body, and the left end of the screw rod is fixedly connected to the output shaft of the motor, and the motor is fixedly mounted on the outer side wall of the box body; by adopting a driving machine, the movable plate is driven to move left and right to realize automatic replacement of the filter box.

[0008] As a preferred solution of the present utility model, a controller is also installed on the rear side wall of the box.

[0009] As a preferred solution of the utility model, an electromagnetic valve is installed on the lower exhaust pipe of the gas detector; by adopting the electromagnetic valve, it is convenient to close the lower exhaust pipe of the gas detector to prevent external gas with dust from entering.

[0010] The beneficial effects of the utility model are as follows: by opening a first through hole on the U-shaped horizontal plate, and cooperating with a movable plate that moves left and right on its upper surface, the movable plate is driven by a driving mechanism to realize left and right movement, the movable plate moves to the left, so that the used filter box in the second through hole extends out of the box body and automatically falls off, the movable plate moves to the right and retracts into the box body, so that the second through hole is aligned with the lower end of the storage tube, and under the action of the spring, the filter box in the storage tube falls into the second through hole, and the movable plate moves to the left again, so that the second through hole is aligned with the first through hole, thereby realizing automatic replacement and installation of the filter box, reducing the tediousness of manual replacement of the filter box, and improving the convenience of the gas detection device. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0012] Figure 2 It is a schematic diagram of the interior of the box of the utility model;

[0013] Figure 3 This is a schematic diagram of the assembly of the U-shaped horizontal plate and the movable plate of the utility model;

[0014] Figure 4 It is a cross-sectional view of the U-shaped horizontal plate and the movable plate of the utility model;

[0015] Figure 5 It is a cross-sectional view of the filter box storage mechanism of the utility model;

[0016] Figure 6 It is a schematic diagram of the driving mechanism of the utility model.

[0017] In the figure: 1-gas detector, 2-box, 3-U-shaped horizontal plate, 4-movable plate, 5-filter box, 6-inlet pipe, 7-air pump, 8-filter box storage mechanism, 9-driving mechanism, 10-controller, 11-electromagnetic valve, 31-first through hole, 41-fixing ear, 42-second through hole, 61-filter screen, 62-first fixed plate, 81-storage tube, 811-limiting block, 82-second fixed plate, 821-slot, 83-spring, 84-blocking cap, 91-screw rod, 92-motor. DETAILED DESCRIPTION

[0018] Example 1

[0019] like Figures 1 to 6As shown, a new type of gas detection device described in the utility model adopts the technical solution of comprising a gas detector 1 and a box body 2, wherein the gas detector 1 is installed at the left edge of the bottom of the box body 2, the lower exhaust pipe of the gas detector 1 passes through the bottom of the box body 2, the upper air inlet end of the gas detector 1 is connected to the left side of the U-shaped cross plate 3, a first through hole 31 is provided on the left side of the U-shaped cross plate 3, the left and right ends of the U-shaped cross plate 3 are fixedly connected to the left and right side walls of the box body 2, a movable plate 4 is slidably inserted in the slide groove of the U-shaped cross plate 3, the left side of the front side wall of the movable plate 4 is fixedly connected to the fixed ear 41, and the two ends of the movable plate 4 respectively pass through the box body 2. The left and right side walls of the housing 2, the length of the movable plate 4 is greater than the width of the housing 2, the left end of the movable plate 4 is provided with a second through hole 42 corresponding to the position of the first through hole 31, the aperture of the second through hole 42 is greater than the first through hole 31, the filter box 5 is movably inserted in the second through hole 42, the upper part of the second through hole 42 is provided with an air intake pipe 6, the upper end opening of the air intake pipe 6 passes through the top of the housing 2, a filter screen 61 is provided in the upper end pipe opening of the air intake pipe 6, the outer side of the lower pipe opening of the air intake pipe 6 is inserted in the first fixed plate 62, the front and rear ends of the first fixed plate 62 are fixedly connected to the front and rear side walls of the housing 2, and an air pump 7 is installed on the air intake pipe 6 The body of the air pump 7 is fixedly mounted on the front inner wall of the box body 2, and a filter box storage mechanism 8 is arranged on the upper part of the plate wall of the movable plate on the right side of the air inlet pipe 6. The filter box storage mechanism 8 includes a storage tube 81, and the upper and lower ends of the storage tube 81 are respectively movably inserted in the second fixed plate 82, and the front and rear ends of the upper and lower second fixed plates 82 are respectively fixedly connected to the front and rear side walls of the box body 2. Notches 821 are symmetrically arranged on the front and rear sides of the opening of the upper second fixed plate 82, and limit blocks 811 are respectively fixedly arranged on the tube walls facing the front and rear notches 821. The upper surface of the limit block 811 is in sliding contact with the lower surface of the upper second fixed plate 82. A number of the filter boxes 5 are stacked in sequence from bottom to top in the tube 81, a spring 83 is placed on the top of the uppermost filter box 5, a plugging cap 84 is screwed onto the upper end of the storage tube 81, and the movable plate 4 is moved left and right by a driving mechanism 9 installed in the box body 2, the driving mechanism 9 includes a screw rod 91, the screw rod 91 is sleeved in the fixing ear 41, the left and right ends of the screw rod 91 respectively pass through the side walls of the box body 2, the left end of the screw rod 91 is fixedly connected to the output shaft of the motor 92, the motor 92 is fixedly installed on the outer side wall of the box body, a controller 10 is also installed on the rear side wall of the box body 2, and an electromagnetic valve 11 is installed on the lower exhaust pipe of the gas detector 1.

[0020] The controller 10 is electrically connected to the gas detector 1 , the air pump 7 , the motor 92 and the electromagnetic valve 11 respectively.

[0021] The working principle of the utility model is as follows: when in use, the device is installed at a corresponding position in the mine, and the air pump 7 is controlled by the controller 10 to suck in external air through the air inlet pipe 6. The air to be detected passes through the filter box 5 at the lower end of the air inlet pipe 6 and is further filtered to remove dust and impurities mixed therein. The filtered air enters the gas detector 1 for detection. After the detection is completed, the gas is discharged through the exhaust pipe at the lower end. After working for a long time, as the filter box 5 is used for an increasing period of time, it needs to be replaced to ensure the accuracy of the detection. At this time, the controller 10 controls the motor 92 to rotate, driving the screw rod 91 to rotate, and then driving the movable plate to move to the left through the fixed ear 41, pushing the filter box 5 in the second through hole 42 into the box body 2, allowing it to fall freely, and then controlling the screw rod 91 to rotate in the opposite direction, driving the movable plate 4 to move to the right, so that the second through hole 42 is symmetrical to the lower end of the storage tube 81, and under the action of the spring 83, the new filter box 5 is pushed into the second through hole 42, and then the movable plate 4 is moved to the left, so that the second through hole 42 is aligned with the first through hole 31. At this time, the automatic replacement and installation of the filter box 5 can be completed.

[0022] The electrical connection methods or structures not described in detail herein are prior art.

[0023] Although the specific embodiments of the present invention are described in detail above, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the field without departing from the purpose of the present invention, and modifications or deformations without creative labor are still within the scope of protection of the present invention.

Claims

1. A novel gas detection device, comprising a gas detector (1) and a box (2), characterized in that: The gas detector (1) is installed on the left edge of the bottom of the box (2), the lower exhaust pipe of the gas detector (1) passes through the bottom of the box (2), the upper air inlet end of the gas detector (1) is connected to the left side of the U-shaped cross plate (3), the left side of the U-shaped cross plate (3) is provided with a first through hole (31), the left end of the U-shaped cross plate (3) is fixedly connected to the left and right side walls of the box (2), the movable plate (4) is slidably inserted in the sliding groove of the U-shaped cross plate (3), the left side of the front side wall of the movable plate (4) is fixedly connected to the fixed ear (41), the two ends of the movable plate (4) respectively pass through the left and right side walls of the box (2), and the length of the movable plate (4) is greater than the width of the box (2). A second through hole (42) is provided at the left end of the movable plate (4) corresponding to the position of the first through hole (31); the aperture of the second through hole (42) is larger than that of the first through hole (31); a filter box (5) is movably inserted in the second through hole (42); an air intake pipe (6) is provided at the upper part of the second through hole (42); the upper end opening of the air intake pipe (6) passes through the top of the box body (2); an air pump (7) is installed on the air intake pipe (6); the main body of the air pump (7) is fixedly installed on the front inner wall of the box body (2); a filter box storage mechanism (8) is provided on the upper part of the plate wall of the movable plate on the right side of the air intake pipe (6); and the movable plate (4) is moved left and right by a driving mechanism (9) installed in the box body (2).

2. A novel gas detection device according to claim 1, characterized in that: A filter screen (61) is arranged in the upper end of the air intake pipe (6), and the outer side of the lower end of the air intake pipe (6) is inserted into a first fixing plate (62), and the front and rear ends of the first fixing plate (62) are fixedly connected to the front and rear side walls of the box body (2).

3. A novel gas detection device according to claim 1, characterized in that: The filter box storage mechanism (8) comprises a storage tube (81), the upper and lower ends of the storage tube (81) are respectively movably inserted into the second fixing plate (82), the front and rear ends of the upper and lower second fixing plates (82) are respectively fixedly connected to the front and rear side walls of the box body (2), the front and rear sides of the opening of the upper second fixing plate (82) are symmetrically provided with notches (821), and the tube walls facing the front and rear notches (821) are respectively fixedly provided with limit blocks (811), the upper surface of the limit blocks (811) is in sliding contact with the lower surface of the upper second fixing plate (82), a plurality of the filter boxes (5) are stacked in sequence from bottom to top in the storage tube (81), a spring (83) is placed on the top of the uppermost filter box (5), and a plugging cap (84) is screwed onto the upper end of the storage tube (81).

4. A novel gas detection device according to claim 1, characterized in that: The driving mechanism (9) comprises a screw rod (91), the screw rod (91) being sleeved in the fixing ear (41), the left and right ends of the screw rod (91) respectively passing through the side walls of the box body (2), the left end of the screw rod (91) being fixedly connected to the output shaft of the motor (92), and the motor (92) being fixedly mounted on the outer side wall of the box body.

5. A novel gas detection device according to claim 1, characterized in that: A controller (10) is also installed on the rear side wall of the box body (2).

6. A novel gas detection device according to claim 1, characterized in that: An electromagnetic valve (11) is installed on the lower exhaust pipe of the gas detector (1).

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