Material acoustic detection device for house noise control

Abstract

The invention relates to the technical field of house structure noise detection, in particular to a house noise control material acoustic detection device which comprises an acoustic cabinet, a cover plate piece, a sound production unit, a detection unit, a first experiment piece and a second experiment piece. The first square steel and a square groove formed in the inner wall of the left side of the cabinet body are arranged in a sliding mode, and inner grooves formed in the left end and the right end of the sliding plate and groove rods arranged on the upper portion of the left side of the cabinet body are arranged in a sliding mode. And filling concrete, a first sound insulation pad, first structural concrete, a first steel plate, a buffer spring, a pressing frame, a barrel block and a first ceiling plate can be subsequently inserted and placed, in a similar way, a second experiment piece is conveniently installed in the acoustic cabinet, and through the arrangement, the first experiment piece and the second experiment piece can be conveniently combined and installed through the device body.

Description

Technical Field

[0001] The invention relates to the technical field of house structure noise detection, in particular to a material acoustic detection device for house noise control. Background Art

[0002] The noise reduction effect of building construction is an important reference characteristic for evaluating the quality of building construction. Taking high-rise residential buildings as an example, the noise reduction of the building structure between the ceiling and the upper floor is tested. The building material structure can be tested through the material acoustic detection device for house noise control in the experimental direction, providing a reference for subsequent building noise reduction construction.

[0003] The sound-generating unit of some material acoustic detection devices for house noise control adopts an electrically controlled sound-generating component. The stability and reliability of the noise-generating component with a pure electrically controlled setting is poor, and it is not convenient to assemble, install and disassemble the sound-generating unit. The device body is not convenient for assembling and installing the test piece, and it is not convenient to replace the internal components of the test piece. Therefore, in view of the above problems, a material acoustic detection device for house noise control is proposed. Summary of the invention

[0004] The object of the present invention is to provide a material acoustic detection device for house noise control, which is used to solve the problem that the sound-generating unit of some material acoustic detection devices for house noise control adopts an electrically controlled sound-generating component, the stability and reliability of the noise sound-generating component with pure electrically controlled setting is poor, and it is not convenient to assemble, install and disassemble the sound-generating unit, the device body is not convenient for assembling and installing the experimental piece, and it is not convenient to replace the internal components of the experimental piece.

[0005] To achieve the above object, the present invention provides the following technical solutions: A material acoustic detection device for house noise control comprises an acoustic cabinet, a cover plate, a sound unit, a detection unit, a first experimental piece and a second experimental piece, wherein the cover plate is arranged on the top of the acoustic cabinet, the sound unit is arranged between the top of the acoustic cabinet and the bottom of the cover plate, the detection unit, the first experimental piece and the second experimental piece are arranged on the inner wall of the acoustic cabinet, the acoustic cabinet comprises a cabinet body, a power button, a test button, a display screen, a square groove, a groove rod and a card slot, two groups of power buttons and two groups of test buttons are symmetrically arranged at the front end of the cabinet body, four groups of display screens are arranged at the front end of the cabinet body, a square groove is opened on the side wall of the cabinet body, a groove rod is fixedly arranged on the side wall of the cabinet body, a card slot is opened on the inner wall of the rear end of the cabinet body, the cover plate comprises a sheet plate and a positioning tube, the sheet plate A positioning cylinder is fixedly provided at the bottom end of the plate, and the sound-emitting unit includes a device ball, a hanging piece, a hanging rope, a lower disk piece, an upper disk piece, a clamping plate, a positioning rod, a ring frame, a stepping motor, a column tube, a column rod, a turntable and a spacer. A hanging piece is fixedly provided at the top of the device ball, a hanging piece is fixedly provided at the top of the hanging piece, a hanging rope is fixedly provided at the top of the hanging piece, a lower disk piece is fixedly provided at the top of the hanging piece, an upper disk piece is fixedly provided at the top of the lower disk piece, a clamping plate is fixedly provided at the top of the upper disk piece, a positioning rod is fixedly provided at the top of the clamping plate, a ring frame is fixedly provided on the inner wall of the clamping plate, a stepping motor is fixedly provided on the inner wall of the right end of the ring frame, a column tube is fixedly provided on the inner wall of the left end of the ring frame, the inside of the column tube is rotatably arranged with the column rod, a turntable is fixedly provided on the outer side of the column rod, and spacers are symmetrically fixedly provided on the left and right ends of the turntable. The top end of the lifting rope is fixedly arranged at the bottom of the rotating disk, and the interior of the upper disk is in contact with the lifting rope. The flange fixedly arranged at the right end of the column rod and the flange fixedly arranged at the left end of the stepping motor main shaft are threadedly assembled and fixed by external studs. The first experimental piece includes a first chassis, a first lower plug-in plate, a first ceiling board, a cylinder block, a pressure frame, a buffer spring, a first steel plate, a first square steel, a first angle bar, a slide plate, a first bevel plate, a first upper plug-in plate, a first structural concrete, a first sound insulation pad, filling concrete and a first wooden floor. The first lower plug-in plate is fixedly arranged at the rear end of the first chassis, and the top of the first chassis contacts the bottom end of the first ceiling board. The first ceiling board is fixedly arranged at the bottom end of the cylinder block, the bottom rod of the pressure frame is slidably arranged inside the cylinder block, and the top plate of the pressure frame is in contact with the first The bottom ends of the steel plates are in contact, a buffer spring is fixedly arranged between the inner wall of the bottom end of the cylinder block and the top plate of the pressure frame, the first square steel is symmetrically arranged at the left and right ends of the first steel plate, the first square steel is fixedly arranged with a first angle bar close to one end of the first steel plate, the first steel plate is in close contact with the first angle bar, the bottom end of the slide plate is fixedly arranged with a first bevel plate, the rear end of the slide plate is fixedly arranged with a first upper insert plate, the bottom end of the first bevel plate is in close contact with the first angle bar arranged at the top, the top of the first steel plate and the first bevel plates arranged at the left and right ends are in contact with the first structural concrete, the top of the first structural concrete and the slide plates arranged at the left and right ends are in contact with the first sound insulation pad, the top of the first sound insulation pad and the slide plates arranged at the left and right ends are in contact with the filling concrete,The first wooden floor is in contact with the top of the filled concrete and the slides arranged at the left and right ends. The second experimental piece includes a second chassis, a second lower insert, a second ceiling board, a ceiling frame, a second steel plate, a second square steel, a second angle bar, a slide bar, a second bevel plate, a second upper insert, a second structural concrete and a second wooden floor. The second lower insert is fixedly arranged at the rear end of the second chassis. The top of the second chassis is in contact with the second ceiling board. The bottom end of the ceiling frame is fixedly arranged with the second ceiling board. The top of the ceiling frame is in contact with the bottom end of the second steel plate. The second square steel is symmetrically arranged at the left and right ends of the second steel plate. The second square steel is fixedly arranged with a second angle bar near one end of the second steel plate. The second steel plate is in contact with the second angle bar. The bottom end of the slide bar is fixedly arranged with a second bevel plate. The bottom end of the second bevel plate is in contact with the second angle bar arranged at the top. The second upper insert is fixedly arranged at the rear end of the slide bar. The second structural concrete is in contact with the top of the second steel plate and the second bevel plates arranged at the left and right ends. The second wooden floor is in contact with the top of the second structural concrete and the slide bars arranged at the left and right ends.

[0006] Preferably, the detection unit includes a pad, a groove, a scale line, a sticker, a sleeve, a block, a bar, an indicator rod, a limit spring, a sliding buckle plate, a pad, a first magnetic sheet, a detection probe and a second magnetic sheet, a groove is opened inside the left end of the pad, a scale line is arranged on the left end of the pad, a sticker is arranged on the left end of the pad, a sleeve and a sliding buckle plate are fixedly arranged on the right end of the sticker, a block is arranged on the right end of the sleeve, a bar is fixedly arranged on the left end of the block, and indicator rods are symmetrically fixedly arranged on the front and rear ends of the block. Rod, the bar is slidably arranged inside the sleeve, a limit spring is fixedly arranged between the sticking plate and the block, the limit spring is spirally distributed on the outside of the sleeve and the bar, the sliding buckle plate is slidably arranged with the groove, a cushion tube is fixedly arranged on the left end of the sticking plate, a first magnetic sheet is fixedly arranged inside the cushion tube, a detection probe piece is fixedly arranged on the left end of the first magnetic sheet, a second magnetic sheet is fixedly arranged on the right end of the detection probe piece, the first magnetic sheet is in magnetically attached contact with the second magnetic sheet, and the cushion plate is fixedly arranged on the inner wall of the cabinet.

[0007] Preferably, when the acoustic cabinet, cover plate and sound unit are assembled and installed, the threaded holes opened inside the sheet and the threaded holes opened on the top of the cabinet are both assembled by external stud threads, the top of the positioning rod is in fit contact with the inside of the positioning tube, the top of the positioning rod is in fit contact with the bottom end of the sheet, and the bottom of the clamping plate is in fit contact with the top of the cabinet.

[0008] Preferably, when the first experimental piece is combined and installed with the acoustic cabinet, the inner grooves opened at the left and right ends of the first chassis are slidably arranged with the groove rods set at the lower left side of the cabinet, the first lower plug-in plate is slidably arranged with the card groove set at the lower left side of the cabinet, the first square steel is slidably arranged with the square groove set on the left inner wall of the cabinet, the inner grooves opened at the left and right ends of the slide plate are slidably arranged with the groove rods set at the upper left side of the cabinet, and the first upper plug-in plate is slidably arranged with the card groove set at the upper left side of the cabinet.

[0009] Preferably, when the second experimental piece is combined and installed with the acoustic cabinet, the inner grooves opened at the left and right ends of the second chassis are slidably arranged with the groove rods set at the lower right side of the cabinet, the second lower plug-in plate is slidably arranged with the card groove set at the lower right side of the cabinet, the second square steel is slidably arranged with the square groove set on the right inner wall of the cabinet, the inner grooves opened at the left and right ends of the slide bar are slidably arranged with the groove rods set at the upper right side of the cabinet, and the second upper plug-in plate is slidably arranged with the card groove set at the upper right side of the cabinet.

[0010] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the inner grooves opened at the left and right ends of the first chassis are slidably arranged with the groove rods set at the lower left side of the cabinet, the first square steel is slidably arranged with the square grooves set at the inner wall of the left side of the cabinet, and the inner grooves opened at the left and right ends of the slide plate are slidably arranged with the groove rods set at the upper left side of the cabinet. After the above-mentioned main positioning components are installed and positioned, the filling concrete, the first sound insulation pad, the first structural concrete, the first steel plate, the buffer spring, the pressure frame, the cylinder block and the first ceiling plate can be subsequently inserted and placed, and the inner grooves opened at the left and right ends of the second chassis are slidably arranged with the groove rods set at the lower right side of the cabinet. The second square steel is set to slide with the square groove set on the inner wall on the right side of the cabinet, and the inner grooves opened at the left and right ends of the slide bar are set to slide with the groove rod set on the upper right side of the cabinet. After the above-mentioned main positioning components are installed and positioned, the second structural concrete, the second steel plate, the ceiling frame and the second ceiling plate can be subsequently inserted and placed, which is convenient for installing the second experimental piece inside the acoustic cabinet. Through the above-mentioned settings, the device body is convenient for combining and installing the first experimental piece and the second experimental piece, and the first experimental piece and the second experimental piece are both combined structures, which is convenient for replacing and setting the internal components; 2. In the present invention, the stepper motors arranged inside the two groups of sound units arranged on the left and right sides adopt the same parameter pay-off program, and the two groups of device balls, hanging parts and lower disc parts arranged on the left and right sides are paid off in a uniform rotation or variable acceleration rotation, which is used to ensure that the impact force of the device balls arranged on the left side on the top of the first wooden floor is approximately the same as the impact force of the device balls arranged on the right side on the top of the second wooden floor. When the acoustic cabinet, the cover plate and the sound unit are assembled and installed, the threaded holes opened inside the sheet plate and the threaded holes opened on the top of the cabinet are assembled and installed by external studs. The top of the positioning rod is in contact with the inside of the positioning tube, the top of the positioning rod is in contact with the bottom of the sheet plate, and the bottom of the card plate is in contact with the top of the cabinet. Through the above arrangement, the device body adopts a motor-driven mechanical impact structure to make noise. The sound unit of the device body is more stable and reliable than the electric control sound component, and it is convenient to combine and install and disassemble the sound unit as a whole. 3. In the present invention, the vertical height of the detection probe piece can be manually adjusted. The block, the bar and the indicator rod are an integrated clamping structure. The block is made of a hard rubber material with a large friction coefficient. When the device is in use, the limit spring is always in a compressed state. The elastic pressure of the limit spring is used to compress the block and the pad to compress and position the vertical height of the detection probe piece. When the vertical position of the detection probe piece needs to be adjusted, the block is manually pushed to the left. The bar slides inside the sleeve and squeezes the limit spring to push the block vertically. The plate is pasted, and the vertical height of the detection probe piece is adjusted by sliding the slide plate and the groove. Then the block is loosened, and the block and the pad are pressed under the elastic pressure of the limit spring. The coordinated setting of the indicator rod and the scale line facilitates the operator to intuitively display the adjustment distance of the vertical height. Through the above setting, the detection unit is used to collect the noise values ​​of the top and bottom of the first test piece and the second test piece, and is convenient for adjusting the vertical height position of the detection probe piece, which is suitable for detecting and processing the noise values ​​at multiple points. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the upper and lower split structure of the cover plate and the device body of the present invention; Figure 3 It is a schematic diagram of the internal component structure of the acoustic cabinet of the present invention; Figure 4 For the present invention Figure 3 A schematic diagram of the enlarged structure at point A; Figure 5 This is a schematic diagram of the structure of the sound-generating unit of the present invention; Figure 6 For the present invention Figure 5A schematic diagram of the cross-sectional structure of some components; Figure 7 For the present invention Figure 6 Schematic diagram of the top structure; Figure 8 For the present invention Figure 7 A schematic diagram of the enlarged structure at B; Fig. 9 It is a schematic diagram of the structure of the detection unit of the present invention; Fig.10 For the present invention Fig. 9 A schematic diagram of the cross-sectional structure of some components; Fig.11 For the present invention Fig.10 A schematic diagram of the enlarged structure at C; Fig.12 It is a schematic diagram of the combined structure of the block, the bar and the indicator rod of the present invention; Fig.13 It is a schematic diagram of the horizontal cross-section structure of the pad and the sliding buckle plate of the present invention; Fig.14 It is a schematic diagram of the combined structure of the first experimental piece of the present invention; Fig.15 This is a schematic diagram of the disassembled structure of the first experimental piece of the present invention; Fig.16 For the present invention Fig.15 A schematic diagram of the structure at D of FIG. Fig.17 For the present invention Fig.14 Schematic diagram of the position structure of the first ceiling plate and the first steel plate inside; Fig.18 For the present invention Fig.17 A schematic diagram of the structure at E of FIG. Fig.19 It is a rear view structural schematic diagram of the first chassis and the first lower insert plate of the present invention; Fig. 20 It is a rear structural schematic diagram of the slide plate, the first bevel plate and the first upper insert plate of the present invention; Fig.21 It is a schematic diagram of the combined structure of the second experimental piece of the present invention; Fig. 22 This is a schematic diagram of the disassembled structure of the second experimental piece of the present invention; Fig.23 For the present invention Fig. 22 A schematic diagram of the structure at F of FIG. Fig.24 For the present invention Fig.21 Schematic diagram of the position structure of the second ceiling plate and the second steel plate inside; Fig.25 It is a rear structural schematic diagram of the second chassis and the second lower insert plate of the present invention; Fig.26 It is a rear structural schematic diagram of the sliding bar, the second bevel plate and the second upper insert plate of the present invention; Fig. 27 It is a schematic diagram of the cross-sectional installation structure of some components of the acoustic cabinet and the cover plate of the present invention; Fig.28 For the present invention Fig. 27 Schematic diagram of the enlarged structure at G.

[0012] In the figure: 1, acoustic cabinet; 11, cabinet; 12, power button; 13, test button; 14, display screen; 15, square slot; 16, slot rod; 17, card slot; 2, cover plate; 21, sheet plate; 22, positioning tube; 3, sound unit; 301, device ball; 302, hanging piece; 303, hanging rope; 304, lower plate; 305, upper plate; 306, card plate; 307, positioning rod; 308, ring frame; 309, 09, stepper motor; 310, column; 311, column rod; 312, rotary disk; 313, spacer; 4, detection unit; 401, pad; 402, groove; 403, scale line; 404, sticking plate; 405, sleeve; 406, block; 407, bar; 408, indicator rod; 409, limit spring; 410, sliding buckle plate; 411, pad; 412, first magnetic suction sheet; 413, detection probe piece ; 414, second magnetic sheet; 5, first experimental piece; 501, first chassis; 502, first lower insert plate; 503, first ceiling plate; 504, cylinder block; 505, press frame; 506, buffer spring; 507, first steel plate; 508, first square steel; 509, first angle strip; 510, slide plate; 511, first bevel plate; 512, first upper insert plate; 513, first structural concrete; 514, first partition Sound pad; 515, filling concrete; 516, first wooden floor; 6, second experimental piece; 601, second chassis; 602, second lower insert plate; 603, second ceiling board; 604, ceiling frame; 605, second steel plate; 606, second square steel; 607, second angle strip; 608, sliding strip; 609, second bevel plate; 610, second upper insert plate; 611, second structural concrete; 612, second wooden floor. DETAILED DESCRIPTION

[0013] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0014] In the embodiments of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limitations of the present invention. In addition, the terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Similarly, similar words such as "one", "an", or "the" do not indicate a quantitative limitation, but rather indicate the presence of at least one. Similar words such as "include" or "comprises" mean that the elements or objects appearing before the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects.

[0015] In addition, in the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0016] See also Figure 1-28 , the present invention provides a technical solution: A material acoustic detection device for house noise control comprises an acoustic cabinet 1, a cover plate 2, a sound unit 3, a detection unit 4, a first experimental piece 5 and a second experimental piece 6. The cover plate 2 is arranged on the top of the acoustic cabinet 1, and the sound unit 3 is arranged between the top of the acoustic cabinet 1 and the bottom of the cover plate 2. The detection unit 4, the first experimental piece 5 and the second experimental piece 6 are arranged on the inner wall of the acoustic cabinet 1. The acoustic cabinet 1 comprises a cabinet body 11, a power button 12, a test button 13, a display screen 14, a square groove 15, a groove rod 16 and a card slot 17. Two groups of power buttons 12 and two groups of test buttons 13 are symmetrically arranged at the front end of the cabinet body 11, four groups of display screens 14 are arranged at the front end of the cabinet body 11, a square groove 15 is opened on the side wall of the cabinet body 11, and a groove rod 16 is fixedly arranged on the side wall of the cabinet body 11 6. A card slot 17 is provided on the inner wall of the rear end of the cabinet 11. The cover plate 2 includes a plate 21 and a positioning cylinder 22. The positioning cylinder 22 is fixedly provided at the bottom of the plate 21. The sound unit 3 includes a device ball 301, a hanging piece 302, a hanging rope 303, a lower plate 304, an upper plate 305, a card plate 306, a positioning rod 307, a ring frame 308, a stepping motor 309, a column 310, a column 311, a rotary disk 312 and a partition plate 313. The top of the device ball 301 is fixedly provided with a hanging piece 302, the top of the hanging piece 302 is fixedly provided with a hanging rope 303, the top of the hanging piece 302 is fixedly provided with a lower plate 304, the top of the lower plate 304 is provided with an upper plate 305, the top of the upper plate 305 is fixedly provided with a card plate 306, and the top of the card plate 306 is fixedly provided with a A positioning rod 307 is arranged, a ring frame 308 is fixedly arranged on the inner wall of the clamping plate 306, a stepper motor 309 is fixedly arranged on the inner wall of the right end of the ring frame 308, a column 310 is fixedly arranged on the inner wall of the left end of the ring frame 308, the inside of the column 310 is rotatably arranged with a column rod 311, a turntable 312 is fixedly arranged on the outer side of the column rod 311, and a spacer 313 is symmetrically fixedly arranged on the left and right ends of the turntable 312, the top end of the suspension rope 303 is fixedly arranged with the bottom end of the turntable 312, the inside of the upper disk 305 is in contact with the suspension rope 303, and the flange fixedly arranged on the right end of the column rod 311 and the flange fixedly arranged on the left end of the main shaft of the stepper motor 309 are threadedly assembled and fixed by external studs. The first experimental piece 5 includes a first chassis 501, a first lower insert plate 502, and a first ceiling plate 50 3. Cylinder block 504, pressure frame 505, buffer spring 506, first steel plate 507, first square steel 508, first angle strip 509, slide plate 510, first bevel plate 511, first upper insert plate 512, first structural concrete 513, first sound insulation pad 514, filling concrete 515 and first wooden floor 516. The first lower insert plate 502 is fixedly arranged at the rear end of the first chassis 501. The top of the first chassis 501 contacts the bottom end of the first ceiling plate 503. The first ceiling plate 503 is fixedly arranged with the bottom end of the cylinder block 504. The bottom rod of the pressure frame 505 is slidably arranged inside the cylinder block 504. The top plate of the pressure frame 505 contacts the bottom end of the first steel plate 507. A buffer spring 506 is fixedly arranged between the inner wall of the bottom end of the cylinder block 504 and the top plate of the pressure frame 505.The first steel plate 507 has first square steels 508 symmetrically arranged at the left and right ends, a first angle bar 509 is fixedly arranged on the first square steel 508 near one end of the first steel plate 507, the first steel plate 507 is in close contact with the first angle bar 509, a first bevel plate 511 is fixedly arranged at the bottom end of the slide plate 510, a first upper insert plate 512 is fixedly arranged at the rear end of the slide plate 510, the bottom end of the first bevel plate 511 is in close contact with the first angle bar 509 arranged at the top, and the first bevel plates 511 arranged at the top and the left and right ends of the first steel plate 507 are in contact with the first structural mixed The first sound insulation pad 514 is in contact with the top of the first structural concrete 513 and the slide plates 510 arranged at the left and right ends. The filling concrete 515 is in contact with the top of the first sound insulation pad 514 and the slide plates 510 arranged at the left and right ends. The first wooden floor 516 is in contact with the top of the filling concrete 515 and the slide plates 510 arranged at the left and right ends. The second experimental piece 6 includes a second chassis 601, a second lower insert plate 602, a second ceiling plate 603, a ceiling frame 604, a second steel plate 605, a second square steel 606, and a second angle steel plate 607. The second bottom plate 602 is fixedly provided at the rear end of the second chassis 601, the top of the second chassis 601 contacts the second ceiling plate 603, the bottom end of the ceiling frame 604 is fixedly provided with the second ceiling plate 603, the top of the ceiling frame 604 contacts the bottom end of the second steel plate 605, the left and right ends of the second steel plate 605 are symmetrically provided with second square steels 606, and the second square steels 606 are fixed near one end of the second steel plate 605 A second angle bar 607 is provided, the second steel plate 605 is in contact with the second angle bar 607, a second bevel plate 609 is fixedly provided at the bottom of the slide bar 608, the bottom of the second bevel plate 609 is in contact with the second angle bar 607 provided at the top, a second upper insert plate 610 is fixedly provided at the rear end of the slide bar 608, the top of the second steel plate 605 and the second bevel plates 609 provided at the left and right ends are in contact with the second structural concrete 611, and the top of the second structural concrete 611 and the slide bars 608 provided at the left and right ends are in contact with the second wooden floor 612.

[0017] The detection unit 4 includes a pad 401, a groove 402, a scale line 403, a sticking plate 404, a sleeve 405, a block 406, a bar 407, an indicator rod 408, a limit spring 409, a sliding buckle plate 410, a pad 411, a first magnetic sheet 412, a detection probe 413 and a second magnetic sheet 414. The left end of the pad 401 is provided with a groove 402, the left end of the pad 401 is provided with a scale line 403, the left end of the pad 401 is provided with a sticking plate 404, the right end of the sticking plate 404 is fixedly provided with a sleeve 405 and a sliding buckle plate 410, the right end of the sleeve 405 is provided with a block 406, the left end of the block 406 is fixedly provided with a bar 407, the front and rear ends of the block 406 are symmetrically fixed with indicator rods 408, and the bar 407 is slidably arranged inside the sleeve 405. A limit spring 409 is fixedly arranged between the sticking plate 404 and the block 406, and the limit spring 409 is spirally distributed on the outside of the sleeve 405 and the bar 407. The sliding buckle plate 410 is slidably arranged with the groove 402. A cushion tube 411 is fixedly arranged on the left end of the sticking plate 404, and a first magnetic sheet 412 is fixedly arranged inside the cushion tube 411. A detection probe piece 413 is arranged on the left end of the first magnetic sheet 412, and a second magnetic sheet 414 is fixedly arranged on the right end of the detection probe piece 413. The first magnetic sheet 412 is magnetically attached to the second magnetic sheet 414, and the pad 401 is fixedly arranged on the inner wall of the cabinet 11. Through the above arrangement, it is convenient to magnetically place the detection probe piece 413, and the height of the detection probe piece 413 can be intuitively displayed through the cooperation of the indicator rod 408 and the scale line 403.

[0018] When the acoustic cabinet 1, the cover plate 2 and the sound unit 3 are assembled and installed, the threaded holes opened inside the sheet plate 21 and the threaded holes opened on the top of the cabinet 11 are assembled and arranged by external stud threads, the top of the positioning rod 307 is in contact with the inside of the positioning tube 22, the top of the positioning rod 307 is in contact with the bottom of the sheet plate 21, and the bottom of the clamping plate 306 is in contact with the top of the cabinet 11. Through the above arrangement, it is convenient to position and install the acoustic cabinet 1, the cover plate 2 and the sound unit 3.

[0019] When the first experimental piece 5 is combined and installed with the acoustic cabinet 1, the inner grooves opened at the left and right ends of the first chassis 501 are slidably arranged with the groove rod 16 set at the lower left side of the cabinet 11, the first lower plug-in plate 502 is slidably arranged with the slot 17 set at the lower left side of the cabinet 11, the first square steel 508 is slidably arranged with the square groove 15 set on the left inner wall of the cabinet 11, the inner grooves opened at the left and right ends of the slide plate 510 are slidably arranged with the groove rod 16 set at the upper left side of the cabinet 11, and the first upper plug-in plate 512 is slidably arranged with the slot 17 set at the upper left side of the cabinet 11. Through the above arrangement, it is convenient to install the first experimental piece 5 inside the acoustic cabinet 1.

[0020] When the second experimental piece 6 is combined and installed with the acoustic cabinet 1, the inner grooves opened at the left and right ends of the second chassis 601 are slidably arranged with the groove rod 16 set at the lower right side of the cabinet 11, the second lower plug-in plate 602 is slidably arranged with the card groove 17 set at the lower right side of the cabinet 11, the second square steel 606 is slidably arranged with the square groove 15 set on the right inner wall of the cabinet 11, the inner grooves opened at the left and right ends of the slide bar 608 are slidably arranged with the groove rod 16 set at the upper right side of the cabinet 11, and the second upper plug-in plate 610 is slidably arranged with the card groove 17 set at the upper right side of the cabinet 11. Through the above arrangement, it is convenient to install the second experimental piece 6 inside the acoustic cabinet 1.

[0021] Working process: The present invention provides a material acoustic detection device for house noise control, the sound unit 3 of the device body is stable and reliable, and it is convenient to assemble and install the sound unit 3, the device body is convenient for assembling and installing the first experimental piece 5 and the second experimental piece 6, and the first experimental piece 5 and the second experimental piece 6 are both combined structures, which is convenient for replacing and setting the internal components, the detection unit 4 is used to collect the noise values ​​at the top and bottom of the first experimental piece 5 and the second experimental piece 6, and it is convenient to adjust the vertical height position of the detection probe part 413, which is suitable for detecting and processing the noise values ​​at multiple points.

[0022] The stepper motor 309 and the detection probe 413 provided in the device are electrically connected through the built-in power supply provided inside the acoustic cabinet 1, and the stepper motor 309 and the detection probe 413 provided above are controlled and processed by the PLC control board provided inside the acoustic cabinet 1, wherein the power button 12 and the test button 13 are both located at the front end of the PLC control board provided above, such as Figure 1 As shown, after the main body of the device is assembled, the power buttons 12 arranged on the left and right sides are pressed synchronously, the stepper motor 309 is started, and the main shaft of the stepper motor 309 rotates to drive the column 311, the turntable 312 and the partition plate 313 to rotate. At this time, the suspension rope 303 is spirally wound on the outside of the turntable 312, and the upper disk 305 slides with the suspension rope 303 inside. After winding, the suspension rope 303 is located between the partition plates 313 arranged on the left and right sides, forming a better winding structure for the suspension rope 303. At this time, the vertical heights of the device ball 301, the hanging part 302 and the lower disk part 304 are increased until the top of the lower disk part 304 is in contact with the bottom of the upper disk part 305. At this time, the device ball 301, the hanging part 302 and the lower disk part 304 are located at the initial position to be tested.

[0023] The stepper motors 309 arranged inside the two groups of sound units 3 arranged on the left and right sides adopt a pay-off program with the same parameters, and perform a uniform rotation pay-off or a variable acceleration rotation pay-off method on the two groups of device balls 301, the hangers 302 and the lower plate parts 304 arranged on the left and right sides, so as to ensure that the impact force of the device ball 301 arranged on the left side on the top of the first wooden floor 516 is approximately the same as the impact force of the device ball 301 arranged on the right side on the top of the second wooden floor 612. The diffuse audio of the impact noise on the top of the first wooden floor 516 and the diffuse audio of the impact noise on the top of the second wooden floor 612 are detected and processed by the detection probe parts 413 arranged inside the two groups of detection units 4 arranged on the top.

[0024] The test button 13 set on the left side is pressed, and the stepper motor 309 drives the column 311, the rotating disk 312 and the partition plate 313 to fall downward, and the device ball 301 performs an impact treatment on the first wooden floor 516, and the detection probe member 413 set inside the detection unit 4 set on the top of the left side is used to detect and process the noise. The program simulation processing of the built-in processor of the acoustic cabinet 1 obtains the approximate noise parameters and displays them intuitively on the display screen 14 set on the upper left side. The impact noise generated on the top of the first wooden floor 516 set on the left side is filled with concrete 515. , the first sound insulation pad 514, the first structural concrete 513 and the solid medium of the first steel plate 507 propagate downward, and the noise is propagated downward through the assembly of the buffer spring 506, the pressure frame 505, the cylinder block 504, the first ceiling panel 503, the first lower insert plate 502 and the first chassis 501. Finally, the above noise is detected and processed by the detection probe part 413 set inside the detection unit 4 set at the bottom left, and the approximate noise parameters are obtained through the program simulation processing of the built-in processor of the acoustic cabinet 1, which are intuitively displayed on the display screen 14 set at the lower left.

[0025] The test button 13 set on the right side is pressed, and the stepper motor 309 drives the column rod 311, the turntable 312 and the partition plate 313 to fall downward, and the device ball 301 impacts the second wooden floor 612, and the noise is detected and processed by the detection probe part 413 set inside the detection unit 4 set at the top of the right side. The approximate noise parameters are obtained through the program simulation processing of the built-in processor of the acoustic cabinet 1, and are intuitively displayed on the display screen 14 set at the upper right. The impact noise generated at the top of the second wooden floor 612 set on the right side is transmitted downward through the solid medium of the second structural concrete 611 and the second steel plate 605, and the noise is transmitted downward through the assembly of the ceiling frame 604, the second ceiling board 603 and the second chassis 601. Finally, the above noise is detected and processed by the detection probe part 413 set inside the detection unit 4 set at the bottom of the right side. The approximate noise parameters are obtained through the program simulation processing of the built-in processor of the acoustic cabinet 1, and are intuitively displayed on the display screen 14 set at the lower right side.

[0026] The top height of the first wooden floor 516 is flush with the top height of the second wooden floor 612, and the bottom height of the first chassis 501 is flush with the bottom height of the second chassis 601. The components assembled and placed inside the first experimental piece 5 and the second experimental piece 6 are used to simulate the building noise reduction structure between the building ceiling and the upper floor floor.

[0027] Taking the first experimental piece 5 as an example, the first wooden floor 516, the filling concrete 515, the first sound insulation pad 514, the first structural concrete 513 and the first steel plate 507 are used to perform building noise reduction treatment, and the combination of the buffer spring 506, the pressure frame 505, the cylinder block 504, the first ceiling board 503, the first lower insert plate 502 and the first chassis 501 is used to simulate the buffer type ceiling structure. At the same time, the internal components of the first experimental piece 5 are detachable and assembled, and the filling concrete 515, the first sound insulation pad 514, the first structural concrete 513, the first steel plate 507, the buffer spring 506, the pressure frame 505, the cylinder block 504 and the first ceiling board 503 are all replaceable building components, and the internal components used to simulate the building can be reasonably replaced within the scope of meeting the requirements of the construction project.

[0028] Taking the second experimental piece 6 as an example, the second wooden floor 612, the second structural concrete 611 and the second steel plate 605 are used to carry out building noise reduction treatment, and the assembly of the ceiling frame 604, the second ceiling board 603 and the second chassis 601 is used to simulate the fixed ceiling structure. At the same time, the internal components of the second experimental piece 6 are detachable and assembled, and the second structural concrete 611, the second steel plate 605, the ceiling frame 604 and the second ceiling board 603 are all replaceable building components, and the internal components used to simulate the building can be reasonably replaced within the scope of meeting the requirements of the construction project.

[0029] The acoustic cabinet 1, the cover plate 2 and the sound unit 3 are a combined installation structure. During installation, the bottom of the clamping plate 306 is in contact with the top of the cabinet 11. After installation, the top of the positioning rod 307 is in contact with the inside of the positioning tube 22, and the top of the positioning rod 307 is in contact with the bottom of the sheet 21. The threaded holes opened inside the sheet 21 and the threaded holes opened on the top of the cabinet 11 are threadedly assembled through external studs, which facilitates the positioning and installation of the acoustic cabinet 1, the cover plate 2 and the sound unit 3.

[0030] When the first experimental piece 5 is combined and installed with the acoustic cabinet 1, the inner grooves opened at the left and right ends of the first chassis 501 are slidably arranged with the groove rod 16 set at the lower left side of the cabinet 11, the first lower plug-in plate 502 is slidably arranged with the slot 17 set at the lower left side of the cabinet 11, the first square steel 508 is slidably arranged with the square groove 15 set on the left inner wall of the cabinet 11, the inner grooves opened at the left and right ends of the slide plate 510 are slidably arranged with the groove rod 16 set at the upper left side of the cabinet 11, and the first upper plug-in plate 512 is slidably arranged with the slot 17 set at the upper left side of the cabinet 11. After the above-mentioned main positioning components are installed and positioned, the filling concrete 515, the first sound insulation pad 514, the first structural concrete 513, the first steel plate 507, the buffer spring 506, the pressure frame 505, the cylinder block 504 and the first ceiling board 503 can be subsequently inserted and placed, so as to facilitate the installation of the first experimental piece 5 inside the acoustic cabinet 1.

[0031] When the second experimental piece 6 is combined and installed with the acoustic cabinet 1, the inner grooves opened at the left and right ends of the second chassis 601 are slidably set with the groove rod 16 set at the lower right side of the cabinet 11, the second lower plug-in plate 602 is slidably set with the card groove 17 set at the lower right side of the cabinet 11, the second square steel 606 is slidably set with the square groove 15 set on the right inner wall of the cabinet 11, the inner grooves opened at the left and right ends of the slide bar 608 are slidably set with the groove rod 16 set at the upper right side of the cabinet 11, and the second upper plug-in plate 610 is slidably set with the card groove 17 set at the upper right side of the cabinet 11. After the above-mentioned main positioning components are installed and positioned, the second structural concrete 611, the second steel plate 605, the ceiling frame 604 and the second ceiling plate 603 can be subsequently inserted and placed, so as to facilitate the installation of the second experimental piece 6 inside the acoustic cabinet 1.

[0032] There are four groups of detection units 4 arranged inside the device, among which the installation height points of the pads 401 inside the two upper groups of detection units 4 are the same, and the installation height points of the pads 401 inside the two lower groups of detection units 4 are the same. The vertical height of the detection probe piece 413 can be manually adjusted, and the block 406, the bar 407 and the indicator rod 408 are an integrated clamping structure. The block 406 is made of a hard rubber material with a large friction coefficient. When the device is in use, the limit spring 409 is always in a compressed state, and the elastic pressure of the limit spring 409 is used to compress the block 406 and the pad 401 to compress and position the vertical height of the detection probe piece 413. When the vertical position of the probe member 413 is adjusted, the block 406 is manually pushed to the left, and the bar 407 slides inside the sleeve 405 while squeezing the limit spring 409, pushing the plate 404 vertically, and the vertical height adjustment of the detection probe member 413 is achieved through the interlocking sliding of the sliding buckle plate 410 and the groove 402. Then the block 406 is released, and the block 406 and the pad 401 are pressed together under the elastic pressure of the limit spring 409. The coordinated arrangement of the indicator rod 408 and the scale line 403 makes it easy for the operator to intuitively display the vertical height adjustment distance, and to adjust the vertical height position of the detection probe member 413, which is suitable for detecting and processing noise values ​​at multiple points.

[0033] By means of the first experimental piece 5 and the second experimental piece 6 arranged as above, different building materials can be simulated and combined to test the noise reduction effect after the combination of different building materials.

[0034] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A material acoustic detection device for house noise control, comprising an acoustic cabinet (1), a cover plate (2), a sound generating unit (3), a detection unit (4), a first experimental piece (5) and a second experimental piece (6), characterized in that: The acoustic cabinet (1) is provided with a cover plate (2) on the top, a sound generating unit (3) is provided between the top of the acoustic cabinet (1) and the bottom of the cover plate (2), a detection unit (4), a first experimental piece (5) and a second experimental piece (6) are provided on the inner wall of the acoustic cabinet (1), the acoustic cabinet (1) comprises a cabinet body (11), a power button (12), a test button (13), a display screen (14), a square slot (15), a slot rod (16) and a card slot (17), two groups of power buttons (12) and two groups of test buttons (13) are symmetrically provided at the front end of the cabinet body (11), and four groups of display screens (17) are provided at the front end of the cabinet body (11). 4), the side wall of the cabinet (11) is provided with a square groove (15), the side wall of the cabinet (11) is fixedly provided with a groove rod (16), the rear end inner wall of the cabinet (11) is provided with a clamping groove (17), the cover plate (2) comprises a plate (21) and a positioning tube (22), the bottom end of the plate (21) is fixedly provided with a positioning tube (22), the sound unit (3) comprises a device ball (301), a hanging part (302), a hanging rope (303), a lower plate part (304), an upper plate part (305), a clamping plate (306), a positioning rod (307), a ring frame (308), a stepping motor (309), a column tube (310), a column rod ( 311), a rotating disk (312) and a spacer (313), a hanging piece (302) is fixedly provided on the top of the device ball (301), a hanging rope (303) is fixedly provided on the top of the hanging piece (302), a lower disk piece (304) is fixedly provided on the top of the hanging piece (302), an upper disk piece (305) is fixedly provided on the top of the lower disk piece (304), a clamping plate (306) is fixedly provided on the top of the upper disk piece (305), a positioning rod (307) is fixedly provided on the top of the clamping plate (306), a ring frame (308) is fixedly provided on the inner wall of the clamping plate (306), and a stepping electric motor is fixedly provided on the inner wall of the right end of the ring frame (308). The ring frame (308) is provided with a column (310) fixedly disposed on the inner wall of the left end of the ring frame (308), the column (310) is rotatably disposed inside the column (310) and the column (311), a turntable (312) is fixedly disposed outside the column (311), and a spacer (313) is symmetrically fixedly disposed at the left and right ends of the turntable (312), the top end of the suspension rope (303) is fixedly disposed at the bottom end of the turntable (312), the interior of the upper disk (305) is in contact with the suspension rope (303), and the flange fixedly disposed at the right end of the column (311) and the flange fixedly disposed at the left end of the main shaft of the stepping motor (309) are threadedly assembled and fixed by an external stud,The first experimental piece (5) comprises a first chassis (501), a first lower insert plate (502), a first ceiling panel (503), a cylinder block (504), a pressure frame (505), a buffer spring (506), a first steel plate (507), a first square steel (508), a first angle bar (509), a slide plate (510), a first bevel plate (511), a first upper insert plate (512), a first structural concrete (513), a first sound insulation pad (514), a filling concrete (515) and a first wooden floor (516). The first lower insert plate (502) is fixedly arranged at the rear end of the first chassis (501), the top end of the first chassis (501) contacts the bottom end of the first ceiling panel (503), and the first ceiling panel (5 03) is fixedly arranged at the bottom end of the cylinder block (504), the bottom rod of the pressure frame (505) is slidably arranged inside the cylinder block (504), the top plate of the pressure frame (505) is in contact with the bottom end of the first steel plate (507), a buffer spring (506) is fixedly arranged between the inner wall of the bottom end of the cylinder block (504) and the top plate of the pressure frame (505), the first square steel (508) is symmetrically arranged at the left and right ends of the first steel plate (507), the first square steel (508) is fixedly arranged at one end close to the first steel plate (507), the first steel plate (507) is in close contact with the first angle bar (509), the bottom end of the slide plate (510) is fixedly arranged with a first bevel plate (511), the rear end of the slide plate (510) A first upper insert plate (512) is fixedly arranged, the bottom end of the first bevel plate (511) is in contact with a first angle strip (509) arranged at the top, the top of the first steel plate (507) and the first bevel plates (511) arranged at the left and right ends are in contact with a first structural concrete (513), the top of the first structural concrete (513) and the slide plates (510) arranged at the left and right ends are in contact with a first sound insulation pad (514), the top of the first sound insulation pad (514) and the slide plates (510) arranged at the left and right ends are in contact with filling concrete (515), the top of the filling concrete (515) and the slide plates (510) arranged at the left and right ends are in contact with a first wooden floor (516), and the second The experimental piece (6) comprises a second chassis (601), a second lower insert plate (602), a second ceiling board (603), a ceiling frame (604), a second steel plate (605), a second square steel (606), a second angle bar (607), a slide bar (608), a second bevel plate (609), a second upper insert plate (610), a second structural concrete (611) and a second wooden floor (612), wherein the second lower insert plate (602) is fixedly arranged at the rear end of the second chassis (601), the top end of the second chassis (601) is in contact with the second ceiling board (603), the bottom end of the ceiling frame (604) is fixedly arranged with the second ceiling board (603), and the top end of the ceiling frame (604) is in contact with the bottom end of the second steel plate (605),The second steel plate (605) is symmetrically provided with a second square steel (606) at the left and right ends, and a second angle bar (607) is fixedly provided at one end of the second steel plate (605) near the second square steel (606), and the second steel plate (605) is in close contact with the second angle bar (607), and a second bevel plate (609) is fixedly provided at the bottom end of the slide bar (608), and the bottom end of the second bevel plate (609) is in close contact with the second angle bar (607) provided at the top, and a second upper insert plate (610) is fixedly provided at the rear end of the slide bar (608), and the second structural concrete (611) is in contact with the second bevel plates (609) provided at the top and the left and right ends of the second steel plate (605), and the second wooden floor (612) is in contact with the top of the second structural concrete (611) and the slide bars (608) provided at the left and right ends.

2. The material acoustic detection device for house noise control according to claim 1, characterized in that: The detection unit (4) comprises a backing plate (401), a groove (402), a scale line (403), a sticking plate (404), a sleeve (405), a block (406), a bar (407), an indicator rod (408), a limit spring (409), a sliding buckle plate (410), a backing tube (411), a first magnetic sheet (412), a detection probe member (413) and a second magnetic sheet (414). The backing plate (401) is A groove (402) is provided inside the end, a scale mark (403) is provided at the left end of the pad (401), a pasting plate (404) is provided at the left end of the pad (401), a sleeve (405) and a sliding buckle plate (410) are fixedly provided at the right end of the pasting plate (404), a square block (406) is provided at the right end of the sleeve (405), a bar (407) is fixedly provided at the left end of the square block (406), and a front end of the square block (406) is provided. , an indicating rod (408) is symmetrically fixedly arranged at the rear end, the bar (407) is slidably arranged inside the sleeve (405), a limit spring (409) is fixedly arranged between the sticking plate (404) and the block (406), and the limit spring (409) is spirally distributed on the outside of the sleeve (405) and the bar (407), the sliding buckle plate (410) is slidably arranged with the groove (402), a cushion tube (411) is fixedly arranged at the left end of the sticking plate (404), a first magnetic attraction sheet (412) is fixedly arranged inside the cushion tube (411), a detection probe piece (413) is arranged at the left end of the first magnetic attraction sheet (412), and a second magnetic attraction sheet (414) is fixedly arranged at the right end of the detection probe piece (413), the first magnetic attraction sheet (412) and the second magnetic attraction sheet (414) are magnetically attracted and in contact with each other, and the cushion plate (401) is fixedly arranged on the inner wall of the cabinet (11).

3. The material acoustic detection device for house noise control according to claim 1, characterized in that: When the acoustic cabinet (1), the cover plate (2) and the sound generating unit (3) are assembled and installed, the threaded holes opened inside the plate (21) and the threaded holes opened on the top of the cabinet (11) are both assembled and arranged by external stud threads, the top of the positioning rod (307) is in close contact with the inside of the positioning tube (22), the top of the positioning rod (307) is in close contact with the bottom of the plate (21), and the bottom of the clamping plate (306) is in close contact with the top of the cabinet (11).

4. The material acoustic detection device for house noise control according to claim 1, characterized in that: When the first experimental piece (5) is assembled with the acoustic cabinet (1), the inner grooves opened at the left and right ends of the first chassis (501) are slidably arranged with a groove rod (16) arranged at the lower left side of the cabinet (11), the first lower insert plate (502) is slidably arranged with a clamping groove (17) arranged at the lower left side of the cabinet (11), the first square steel (508) is slidably arranged with a square groove (15) arranged on the left inner wall of the cabinet (11), the inner grooves opened at the left and right ends of the slide plate (510) are slidably arranged with a groove rod (16) arranged at the upper left side of the cabinet (11), and the first upper insert plate (512) is slidably arranged with a clamping groove (17) arranged at the upper left side of the cabinet (11).

5. The material acoustic detection device for house noise control according to claim 1, characterized in that: When the second experimental piece (6) is assembled and installed with the acoustic cabinet (1), the inner grooves opened at the left and right ends of the second chassis (601) are slidably arranged with the groove rod (16) arranged at the lower right side of the cabinet (11), the second lower insert plate (602) is slidably arranged with the clamping groove (17) arranged at the lower right side of the cabinet (11), the second square steel (606) is slidably arranged with the square groove (15) arranged on the inner wall of the right side of the cabinet (11), the inner grooves opened at the left and right ends of the slide bar (608) are slidably arranged with the groove rod (16) arranged at the upper right side of the cabinet (11), and the second upper insert plate (610) is slidably arranged with the clamping groove (17) arranged at the upper right side of the cabinet (11).

Images