Seismic exploration detection audio noise reduction device

Abstract

The utility model relates to the technical field of seismic exploration, and discloses a seismic exploration detection audio noise reduction device which comprises a detector, the outer wall of the detector is slidably connected with a first protective shell, the outer wall of the detector is fixedly connected with a second protective shell, and the first protective shell and the second protective shell are attached to each other. A first sound insulation shell is arranged on the outer wall of the first protection shell, a second sound insulation shell is arranged on the outer wall of the second protection shell, the space between the first protection shell and the first sound insulation shell and the space between the second protection shell and the second sound insulation shell are filled with sound absorption materials, the output end of the detector is sleeved with a silencing pipe, and the silencing pipe is filled with sound absorption cotton. According to the utility model, the first protective shell and the second protective shell are attached to the outer wall of the detector to provide preliminary protection, the sound absorption material is filled between the sound insulation shell and the protective shells to absorb noise transmitted from the outside, and meanwhile, the hush pipe sleeved at the output end of the detector further eliminates noise generated during signal output. The effect of effectively blocking and absorbing noise is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of seismic exploration technology especially relates to a seismic exploration geophone audio noise reduction device. BACKGROUND

[0002] Seismic exploration is one of important means of geophysical exploration, through geophone receiving seismic wave signal, and then analyzing underground geological structure and looking for oil and gas and mineral resources, in actual exploration process, the environment where geophone is located is complex, and noise interference sources are numerous, such as noise of wind sound, rain sound, ground vibration in natural environment, and mechanical noise generated by exploration field equipment operation etc.These noises can seriously affect the quality of signal received by geophone, lead to effective signal being covered or distorted, therefore, research and development of efficient geophone audio noise reduction device have important significance for improving the accuracy and reliability of seismic exploration data and promoting the smooth development of geological exploration work.

[0003] In the existing seismic exploration geophone technology, the structure of geophone is relatively simple.Usually geophone is directly exposed to external environment, only relies on simple protection of its own shell, and part geophone has some protective measures, but only adds simple rubber or plastic wrapping layer on the shell to reduce the influence of slight vibration and collision.

[0004] However, the existing seismic exploration geophone technology is difficult to effectively absorb the noise transmitted from outside, resulting in more noise components in the signal received by geophone, and due to lack of physical isolation and absorption structure of noise, various noises in external environment can easily directly act on geophone, so that the seismic wave signal received by geophone is seriously disturbed, and underground geological structure information cannot be accurately obtained, which greatly affects the precision and effect of seismic exploration, therefore, a seismic exploration geophone audio noise reduction device is proposed to solve the above problems. UTILITY MODEL CONTENT

[0005] In order to make up for the above shortcomings, the utility model provides a seismic exploration geophone audio noise reduction device, which aims at improving the problem that external noise is difficult to be effectively absorbed in the prior art, and various noises in external environment can easily directly act on geophone, resulting in signal disturbance.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] The utility model relates to a seismic exploration geophone audio noise reduction device, including geophone, the geophone outer wall slidingly connected with protection shell no.

[0008] As a further description of the above technical solution:

[0009] The connecting assembly comprises a connecting rod and a connecting block, one side of the connecting rod is fixedly connected to the outer wall of the sound insulation shell no.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the sound insulation shell no. is fixedly connected with a connecting frame, and the connecting rod and the connecting block are both slidingly connected in the connecting frame.

[0012] As a further description of the above technical solution:

[0013] The connecting frame is fixedly connected with a fixed column in the connecting frame.

[0014] As a further description of the above technical solution:

[0015] One end of the sliding column is fixedly connected with a clamping block, and the clamping block is in contact with the connecting block.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the sliding column is sleeved with a spring, and the spring is fixedly connected in the fixed column and the clamping block respectively.

[0018] As a further description of the above technical solution:

[0019] One side of the clamping block is fixedly connected with a connecting plate, one side of the connecting plate is fixedly connected with a sliding block, and the connecting plate and the sliding block are both slidingly connected in the connecting frame.

[0020] As a further description of the above technical solution:

[0021] The connecting frame is slidingly connected with a sliding rod, one side of the sliding rod is fixedly connected with a limiting block, the limiting block is in contact with the sliding block, and the outer wall of the limiting block is fixedly connected with a baffle.

[0022] The utility model has the following beneficial effects:

[0023] 1、The utility model discloses a protection shell one and protection shell two are pasted on the outer wall of the detector, provide the primary protection, fill the sound absorption material between the sound insulation shell and the protection shell, absorb the noise of the outside import, simultaneously, the silencer pipe of the detector output end sets up, further eliminate the noise of the output signal and produce, realized the effect of effective barrier and absorption of noise, solved the problem that the noise of the outside import is difficult to absorb effectively, various noises in the external environment are very easy to act directly on the detector, lead to signal to be interfered with, thereby improved the practicality of the detector.

[0024] 2、The utility model discloses a protection shell one, protection shell two and the sound insulation shell one of its outer wall, the sound insulation shell two are pasted, when the sound insulation shell one and the sound insulation shell two are pasted, the connecting block enters the connecting frame and exerts pressure to the clamping block, and the clamping block compresses the spring, and the clamping block is firmly connected with the connecting block by depending on the spring elasticity, when disassembling, pull the slide rod, and the slide rod drives the limiting block to slide into the connecting frame, and the limiting block drives the sliding block, and the sliding block drives the connecting plate and the clamping block to slide, and the connecting block is released, realized the effect that the protection shell can be conveniently disassembled, solved the problem that the traditional detector protection shell is complicated to disassemble, and it is difficult to replace or adjust the protection shell according to different operation environment and detector maintenance demand, thereby improved the flexibility of the detector. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a three-dimensional schematic view of the seismic exploration detector audio frequency noise reduction device that the utility model proposes;

[0026] Figure 2 It is the protection shell one section view schematic diagram of the seismic exploration detector audio frequency noise reduction device that the utility model proposes;

[0027] Figure 3 It is the connecting frame section view schematic diagram of the seismic exploration detector audio frequency noise reduction device that the utility model proposes.

[0028] LEGEND:

[0029] 1, detector;2, protection shell one;3, protection shell two;4, sound insulation shell one;5, sound insulation shell two;6, sound absorption material;7, silencer pipe;8, sound absorption cotton;9, connecting frame;10, connecting rod;11, connecting block;12, fixed column;13, slide column;14, clamping block;15, spring;16, connecting plate;17, sliding block;18, slide rod;19, limiting block;20, baffle. DETAILED DESCRIPTION

[0030] Clearly, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0031] With reference to Figure 1 and Figure 2 An embodiment provided by the present application: a seismic exploration geophone audio noise reduction device, comprising a geophone 1, a protective shell one 2 is slidably connected to the outer wall of the geophone 1, a protective shell two 3 is fixedly connected to the outer wall of the geophone 1, the protective shell one 2 and the protective shell two 3 are attached, the geophone 1 is protected from external physical impact and environmental factors, and a support structure is provided for the noise reduction assembly, the outer wall of the protective shell one 2 is provided with a sound insulation shell one 4, the noise isolation performance is enhanced, the external noise is prevented from being transmitted to the geophone 1 through the protective shell, the outer wall of the protective shell two 3 is provided with a sound insulation shell two 5, the protective shell one 2, the sound insulation shell one 4, the protective shell two 3 and the sound insulation shell two 5 are all filled with sound-absorbing material 6, which plays a further noise absorption role, thereby reducing the influence of the external environment on the working performance of the equipment, the geophone 1 output end is sleeved with a sound attenuation pipe 7, the sound attenuation pipe 7 is filled with sound-absorbing cotton 8, the noise of the geophone 1 output end signal is reduced, and a more stable output channel is provided for the signal, and the outer wall of the sound insulation shell two 5 is provided with a connecting assembly.

[0032] With reference to Figures 1-3The connecting assembly comprises a connecting rod 10 and a connecting block 11, the connecting rod 10 is fixedly connected to the outer wall of the sound insulation shell two 5 on one side, the connecting block 11 is fixedly connected to the top of the connecting rod 10 at the bottom, the sound insulation shell one 4 is fixedly connected with a connecting frame 9, the connecting frame 9 provides a support structure for the whole connecting assembly and ensures the stable connection of the sound insulation shell one 4 and the sound insulation shell two 5, the connecting rod 10 and the connecting block 11 are both slidingly connected inside the connecting frame 9, the connecting frame 9 is fixedly connected with a fixed column 12 inside, the fixed column 12 is slidingly connected with a sliding column 13 inside, one end of the sliding column 13 is fixedly connected with a clamping block 14, the clamping block 14 is in contact with the connecting block 11, during installation, the connecting block 11 enters the connecting frame 9 and exerts pressure on the clamping block 14, the clamping block 14 will slide and be compressed with the exertion of pressure. The sliding of the clamping block 14 not only compresses the spring 15, but also enables the clamping block 14 and the connecting block 11 to form a stable connection through the elastic recovery of the spring 15, thereby ensuring the firmness of the protective shell, the outer wall of the sliding column 13 is sleeved with a spring 15, the two ends of the spring 15 are fixedly connected inside the fixed column 12 and the clamping block 14 respectively, one side of the clamping block 14 is fixedly connected with a connecting plate 16, one side of the connecting plate 16 is fixedly connected with a sliding block 17, the connecting plate 16 and the sliding block 17 are both slidingly connected inside the connecting frame 9, the connecting frame 9 is slidingly connected with a sliding rod 18 inside, one side of the sliding rod 18 is fixedly connected with a limiting block 19, the limiting block 19 is in contact with the sliding block 17, during disassembly operation, only the sliding rod 18 needs to be pulled, at this time the sliding rod 18 drives the limiting block 19 to slide towards the inside of the connecting frame 9, when the limiting block 19 is in contact with the sliding block 17, the sliding block 17 is driven to slide the connecting plate 16 on one side inside the connecting frame 9. The connecting plate 16 drives the clamping block 14 to slide to one side through sliding, thereby releasing the connection between the connecting block 11 and the clamping block 14, completing the disassembly process, the outer wall of the limiting block 19 is fixedly connected with a baffle 20.

[0033] Working principle: when the seismic exploration geophone is used, first of all, the protective shell one 2 and the protective shell two 3 are attached to the outer wall of the geophone 1 to form preliminary protection, the sound insulation shell one 4 and the sound insulation shell two 5 are respectively arranged on the outer wall of the protective shell one 2 and the protective shell two 3, and they are filled with the sound-absorbing material 6 between the protective shell, which can effectively absorb the noise transmitted from the outside, the sound-absorbing cotton 8 filled inside the sound-absorbing pipe 7 sleeved on the output end of the geophone 1 can further eliminate the noise generated when the geophone 1 outputs a signal, through multiple noise reduction structures, thereby improving the signal purity;

[0034] When the protective shell one 2 and the protective shell two 3 need to be disassembled, the protective shell one 2 and the protective shell two 3 and the sound insulation shell one 4 and the sound insulation shell two 5 of the outer wall are first attached, when the sound insulation shell one 4 and the sound insulation shell two 5 are attached, the connecting block 11 enters the connecting frame 9 and presses the clamping block 14, so that the clamping block 14 slides in the connecting frame 9 under force, and the clamping block 14 will compress the spring 15, the spring 15 provides elastic force, so that the clamping block 14 is in contact with the connecting block 11 for stable connection, when disassembled, only the slide rod 18 needs to be pulled to drive the limiting block 19 to slide into the connecting frame 9, so that the limiting block 19 is in contact with the sliding block 17, the sliding block 17 drives the connecting plate 16 on one side to slide in the connecting frame 9, the connecting plate 16 drives the clamping block 14 to slide, and then the connecting block 11 is released to complete disassembly, so that the protective shell is convenient to disassemble.

[0035] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. that is made within the spirit and principles of the utility model, should be contained in the protection scope of the utility model.

Claims

1. A seismic exploration geophone audio noise reduction device comprising a geophone (1), characterized in that: The detector (1) outer wall slidingly connected with the protective shell one (2), the detector (1) outer wall fixedly connected with the protective shell two (3), the protective shell one (2) and the protective shell two (3) are pasted, the protective shell one (2) outer wall is provided with sound insulation shell one (4), the protective shell two (3) outer wall is provided with sound insulation shell two (5), the protective shell one (2), sound insulation shell one (4) and the protective shell two (3), sound insulation shell two (5) are filled with sound-absorbing material (6), the detector (1) output end is provided with the sound attenuation pipe (7), the sound attenuation pipe (7) is filled with sound-absorbing cotton (8), the sound insulation shell two (5) outer wall is provided with connecting assembly.

2. The device according to claim 1, characterized in that: The connecting assembly includes connecting rod (10) and connecting block (11), one side of the connecting rod (10) is fixedly connected to the outer wall of the sound insulation shell two (5), and the connecting block (11) is fixedly connected to the top of the connecting rod (10).

3. The audio noise reduction device for seismic exploration geophone according to claim 2, characterized in that: The sound insulation shell one (4) outer wall fixedly connected with the connecting frame (9), the connecting rod (10) and connecting block (11) are all slidingly connected in the connecting frame (9).

4. The audio noise reduction device for seismic exploration geophone according to claim 3, characterized in that: The connecting frame (9) is fixedly connected with the fixed column (12) inside, and the fixed column (12) is slidingly connected with the sliding column (13) inside.

5. The device according to claim 4, wherein: One end of the sliding column (13) is fixedly connected with the clamping block (14), and the clamping block (14) is in contact with the connecting block (11).

6. The device according to claim 5, wherein: The sliding column (13) is provided with a spring (15) on the outer wall, and the spring (15) is fixedly connected in the fixed column (12) and the clamping block (14) respectively.

7. The device according to claim 6, wherein: One side of the clamping block (14) is fixedly connected with the connecting plate (16), one side of the connecting plate (16) is fixedly connected with the sliding block (17), and the connecting plate (16) and the sliding block (17) are slidingly connected in the connecting frame (9).

8. The device according to claim 7, wherein: The connecting frame (9) is slidingly connected with the sliding rod (18) inside, one side of the sliding rod (18) is fixedly connected with the limiting block (19), the limiting block (19) is in contact with the sliding block (17), and the limiting block (19) is fixedly connected with the baffle (20) on the outer wall.

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