Processor with sound field test

Abstract

The utility model discloses a processor with a sound field test function, and particularly relates to the technical field of sound field processors, which comprises a support cylinder, a test microphone at the top is fixed with the support cylinder through control assemblies symmetrically distributed on two sides, and is connected with an RTA interface through a connecting lead so as to receive and transmit signals for sound field curve test. The core of the control assembly is an assembly disc and a test microphone which can rotate relatively, a moving seat in sliding connection with a groove wall is arranged in an arc-shaped guide groove, the moving seat accurately slides by means of a guide rod and a communication window, a connecting roller close to the end of the test microphone can drive the microphone to rotate around a rotating roller, and the connecting roller is closer to the head of the microphone than the rotating roller. The reset spring on the guide rod provides reset assistance for the movement seat, the servo motor at one end of the winding roller drives the movement seat to rotate through the driving roller, winding and unwinding of the pull wire are achieved, then the movement seat is pulled to change the angle of the tested microphone, the sound field is tested from multiple directions, data one-sidedness is avoided, and more comprehensive and accurate sound field information is obtained.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of sound field processor, concretely is a kind of processor with sound field test. BACKGROUND

[0002] Sound field processor is a kind of equipment for optimizing and adjusting the propagation characteristics of sound in a specific space, which mainly improves the distribution and quality of sound in space by a series of processing on audio signal. In a space, sound is affected by many factors such as the size, shape of the room, sound absorption and reflection characteristics of the wall and other building materials. Sound field processor uses digital signal processing (DSP) technology or analog circuit technology to adjust the input audio signal;

[0003] Under prior art, sound field processor lacks sound field test function, and the processor usually needs to rely on the experience of user and external test equipment to obtain the acoustic information of room. The user needs to use independent sound level meter, spectrum analyzer and other equipment to manually measure the acoustic parameters of room, and then manually adjust the parameters of sound field processor according to the measurement results. This way is relatively troublesome, and the accuracy may be affected by the operation level of user and the precision of external equipment. Therefore, we propose a kind of processor with sound field test to solve the above problems. SUMMARY

[0004] The utility model aims at solving one of the technical problems existing in prior art or related art.

[0005] Therefore, the technical scheme adopted by the utility model is as follows:

[0006] A kind of processor with sound field test, including support cylinder, the support cylinder top is provided with test microphone, test microphone both sides are provided with control assembly, test microphone outside is equipped with connecting wire, control assembly includes two assembly disc, the assembly disc is placed at test microphone both sides, the outer ring of the side of assembly disc close to test microphone is equipped with guide slot, guide slot is built-in with motion seat, the end of motion seat close to test microphone is fixedly connected with connecting roller, the end of connecting roller away from motion seat is fixedly connected with test microphone, reset spring is sleeved on the surface of guide rod, the end of motion seat away from reset spring is fixedly connected with pull wire, the end of pull wire away from motion seat extends to support cylinder inside by passing assembly disc, pull wire is fixedly connected with winding roller at one end of support cylinder, pull wire is wound on the surface of winding roller, winding roller one end is provided with servo motor, the output of servo motor is fixedly connected with drive roller, drive roller is fixedly connected with winding roller.

[0007] Preferably, the test microphone is fixed with the support cylinder through the control assembly, and the assembly discs on both sides are symmetrically distributed along the axis of the test microphone.

[0008] Preferably, the bottom of the assembly disc is fixedly connected with the supporting cylinder, the guide groove is in an arc structure, and the connecting roller is closer to the microphone head than the rotating roller.

[0009] Preferably, a mounting groove is formed in the side of the assembly disc close to the test microphone, and the rotating roller is arranged in the mounting groove.

[0010] Preferably, one end of the rotating roller is fixedly connected with the bottom of the mounting groove, and the other end of the rotating roller is rotatably connected with the surface of the test microphone.

[0011] Preferably, the motion seat is slidably connected with the groove wall of the guide groove, a guide rod is fixedly connected with the inner wall of the guide groove, a communication window is formed in the surface of the motion seat and penetrates through the motion seat, the guide rod is arranged at the communication window, and the guide rod is slidably connected with the inner wall of the communication window.

[0012] Preferably, one end of the reset spring is fixedly connected with the groove wall of the guide groove, and the other end of the reset spring is fixedly connected with the motion seat.

[0013] Preferably, a fixing seat is sleeved on the surface of the servo motor, one end of the fixing seat is fixedly connected with the inner wall of the supporting cylinder, and the winding roller is fixedly connected with the partition plate at two ends.

[0014] By adopting the above technical scheme, the utility model has the beneficial effects that:

[0015] In the utility model, the processor with the sound field test is based on the supporting cylinder, the test microphone at the top of the supporting cylinder is fixed through the control assembly which is symmetrically distributed at two sides and connected with the RTA interface through the connecting wire to receive and transmit signals for the sound field curve test. The core of the control assembly is the assembly disc, the bottom of the assembly disc is connected with the supporting cylinder, and the rotating roller is arranged in the mounting groove close to the test microphone to enable the test microphone to relatively rotate. The arc-shaped guide groove at the outer ring has the motion seat which is slidably connected with the groove wall, the motion seat realizes accurate sliding through the guide rod and the communication window, the connecting roller close to the test microphone end of the motion seat can drive the microphone to rotate around the rotating roller, the connecting roller is closer to the microphone head than the rotating roller, and the reset spring on the guide rod provides reset assistance for the motion seat. The pull line at the end away from the reset spring of the motion seat is connected to the winding roller in the supporting cylinder, the servo motor at one end of the winding roller drives the winding roller to rotate through the driving roller to realize winding and unwinding of the pull line, thereby pulling the motion seat to change the angle of the test microphone, the angle of the test microphone can be flexibly adjusted, the sound field can be tested from multiple directions, the data one-sidedness is avoided, more comprehensive and accurate sound field information is obtained, the test accuracy is improved, the operation is convenient, the structure is compact and reasonable, an efficient and reliable solution is provided for the sound field test. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1This is a schematic diagram of the overall structure of this utility model.

[0017] Figure 2 This is a schematic diagram of the internal structure of the support cylinder of this utility model.

[0018] Figure 3 This utility model Figure 2 Enlarged structural diagram at point A in the middle.

[0019] Figure 4 This is a schematic diagram of the control component structure of this utility model.

[0020] Figure 5 This is a schematic diagram of the assembly structure of the motion seat and guide groove of this utility model.

[0021] In the diagram: 1. Support cylinder; 2. Test microphone; 201. Connecting wire; 3. Control component; 301. Assembly plate; 302. Mounting slot; 303. Rotating roller; 304. Guide slot; 305. Guide rod; 306. Motion seat; 307. Connecting window; 308. Return spring; 309. Connecting roller; 310. Pull wire; 311. Take-up roller; 312. Partition; 313. Drive roller; 314. Servo motor; 315. Fixed seat. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Example: Figures 1-5 As shown, this utility model provides a processor with built-in sound field testing, including a support cylinder 1, a test microphone 2 mounted on the top of the support cylinder 1, and control components 3 mounted on both sides of the test microphone 2. The test microphone 2 is fixed to the support cylinder 1 via the control components 3. A connecting wire 201 is installed externally on the test microphone 2. In the processor with built-in sound field testing, the test microphone 2 is located on the top of the support cylinder 1 and is fixed to the support cylinder 1 via the control components 3. The connecting wire 201 is externally connected to the test microphone 2 via a professional RTA interface, thus preparing for subsequent signal reception and transmission so that the sound field curve can be tested using the test microphone 2 when the machine emits a frequency sweep signal.

[0024] Further, the control assembly 3 comprises two assembly plates 301, which are arranged on both sides of the test microphone 2 and are symmetrically distributed along the axis of the test microphone 2, the bottom of the assembly plate 301 is fixedly connected with the supporting cylinder 1, the side of the assembly plate 301 close to the test microphone 2 is provided with a mounting groove 302, a rotating roller 303 is arranged in the mounting groove 302, one end of the rotating roller 303 is fixedly connected with the bottom of the inner cavity of the mounting groove 302, and the other end of the rotating roller 303 is rotatably connected with the surface of the test microphone 2, an arc-shaped guide groove 304 is arranged on the outer ring of the side of the assembly plate 301 close to the test microphone 2, a moving seat 306 is arranged in the guide groove 304, the moving seat 306 is slidably connected with the groove wall of the guide groove 304, a guide rod 305 is fixedly connected with the inner wall of the guide groove 304, a communication window 307 is arranged on the surface of the moving seat 306 and penetrates through the moving seat 306, the guide rod 305 is arranged at the communication window 307 and is slidably connected with the inner wall of the communication window 307, a connecting roller 309 is fixedly connected with the end of the moving seat 306 close to the test microphone 2, the other end of the connecting roller 309 is fixedly connected with the test microphone 2, and the connecting roller 309 is closer to the microphone head than the rotating roller 303, a reset spring 308 is sleeved with the surface of the guide rod 305, one end of the reset spring 308 is fixedly connected with the groove wall of the guide groove 304, and the other end of the reset spring 308 is fixedly connected with the moving seat 306, and the control assembly 3 comprises two assembly plates 301 which are symmetrically distributed along the axis of the test microphone 2, the bottom of the assembly plate 301 is fixedly connected with the supporting cylinder 1. The side of the assembly plate 301 close to the test microphone 2 is provided with a mounting groove 302, and a rotating roller 303 is arranged in the mounting groove 302, one end of the rotating roller 303 is fixedly connected with the bottom of the inner cavity of the mounting groove 302, and the other end of the rotating roller 303 is rotatably connected with the surface of the test microphone 2, which enables the test microphone 2 to have a certain rotating basis relative to the assembly plate 301, at the same time, the arc-shaped guide groove 304 is arranged on the outer ring of the side of the assembly plate 301 close to the test microphone 2, and a moving seat 306 is arranged in the guide groove 304 and is slidably connected with the guide groove 304. The guide rod 305 is fixedly connected with the inner wall of the guide groove 304, the communication window 307 is arranged on the surface of the moving seat 306 and penetrates through the moving seat 306, the guide rod 305 is arranged at the communication window 307 and is slidably connected with the communication window 307, which plays a guiding role in the movement of the moving seat 306, the connecting roller 309 is fixedly connected with the end of the moving seat 306 close to the test microphone 2, the other end of the connecting roller 309 is fixedly connected with the test microphone 2, and the connecting roller 309 is closer to the microphone head than the rotating roller 303, which can better assist in adjusting the angle of the microphone. The reset spring 308 is sleeved with the surface of the guide rod 305, one end of the reset spring 308 is fixedly connected with the groove wall of the guide groove 304, and the other end of the reset spring 308 is fixedly connected with the moving seat 306, which can play a reset assisting role in the angle adjusting process.

[0025] Further, the pull wire 310 is fixedly connected to the one end of the moving seat 306 away from the reset spring 308, the one end of the pull wire 310 away from the moving seat 306 extends to the supporting barrel 1 through the assembling disc 301, the pull wire 310 is fixedly connected to the winding roller 311 at one end of the supporting barrel 1, the pull wire 310 is wound on the surface of the winding roller 311, the servo motor 314 is arranged at one end of the winding roller 311, the driving roller 313 is fixedly connected to the output end of the servo motor 314, the driving roller 313 is fixedly connected to the winding roller 311, the fixed seat 315 is sleeved on the surface of the servo motor 314, one end of the fixed seat 315 is fixedly connected to the inner wall of the supporting barrel 1, the partition plate 312 is fixedly connected to the two ends of the winding roller 311, the angle change is realized through the pull wire 310, the winding roller 311 and the servo motor 314: the pull wire 310 is fixedly connected to the one end of the moving seat 306 away from the reset spring 308, the pull wire 310 extends to the supporting barrel 1 through the assembling disc 301 and is wound on the surface of the winding roller 311, the servo motor 314 is arranged at one end of the winding roller 311, the driving roller 313 fixedly connected to the output end of the servo motor 314 is fixedly connected to the winding roller 311, the partition plate 312 is arranged at the two ends of the winding roller 311, the servo motor 314 is fixedly connected to the inner wall of the supporting barrel 1 through the fixed seat 315. When the servo motor 314 works, the driving roller 313 is driven to rotate, and then the winding roller 311 is driven to rotate, the winding roller 311 winds and unwinds the pull wire 310, the pull wire 310 drives the moving seat 306 to slide along the guide groove 304, the moving seat 306 drives the test microphone 2 to rotate around the rotating roller 303 through the connecting roller 309, so that the angle of the test microphone 2 is changed. By changing the angle of the test microphone 2, sound field testing can be performed from different directions, more comprehensive and accurate data can be obtained to draw a sound field curve, and testing is more accurate.

[0026] The angle of the test microphone 2 can be flexibly changed through the control assembly 3, sound field testing can be performed from multiple different angles, compared with the fixed-angle testing mode, the data one-sidedness problem caused by single angle can be avoided, more comprehensive sound field information is obtained, and then the sound field curve is more accurately tested, the accuracy of the whole sound field testing is improved, and the test can be flexibly adjusted to a suitable angle according to actual testing requirements.

[0027] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model claims and the equivalent technology, the utility model also intends to include these modifications and variations.

Claims

1. A processor with built-in sound field testing, characterized in that, The system includes a support cylinder (1), a test microphone (2) is mounted on the top of the support cylinder (1), control components (3) are mounted on both sides of the test microphone (2), and connecting wires (201) are installed on the outside of the test microphone (2). The control components (3) include two assembly plates (301), which are placed on both sides of the test microphone (2). A guide groove (304) is provided on the outer ring of the side of the assembly plate (301) near the test microphone (2). A motion seat (306) is built into the guide groove (304). A connecting roller (309) is fixedly connected to one end of the motion seat (306) near the test microphone (2), and the other end of the connecting roller (309) away from the motion seat (306) is fixedly connected to the test microphone (2). 304) A guide rod (305) is fixedly connected to the inner wall. A return spring (308) is sleeved on the surface of the guide rod (305). A pull wire (310) is fixedly connected to one end of the motion seat (306) away from the return spring (308). The pull wire (310) extends through the assembly plate (301) into the support cylinder (1) at one end of the support cylinder (1). A take-up roller (311) is fixedly connected to one end of the pull wire (310). The pull wire (310) is wound around the surface of the take-up roller (311). A servo motor (314) is provided at one end of the take-up roller (311). A drive roller (313) is fixedly connected to the output end of the servo motor (314). The drive roller (313) is fixedly connected to the take-up roller (311).

2. The processor with built-in sound field testing according to claim 1, characterized in that, The test microphone (2) is fixed to the support cylinder (1) by the control component (3), and the assembly plates (301) on both sides are symmetrically distributed along the axis of the test microphone (2).

3. The processor with built-in sound field testing according to claim 1, characterized in that, The bottom of the assembly plate (301) is fixedly connected to the support cylinder (1), the guide groove (304) has an arc-shaped structure, and the connecting roller (309) is closer to the microphone head than the rotating roller (303).

4. A processor with built-in sound field testing according to claim 1, characterized in that, The assembly plate (301) has an installation groove (302) on the side near the test microphone (2), and a rotating roller (303) is built into the installation groove (302).

5. A processor with built-in sound field testing according to claim 4, characterized in that, One end of the rotating roller (303) is fixedly connected to the bottom of the inner cavity of the mounting groove (302), and the other end of the rotating roller (303) is rotatably connected to the surface of the test microphone (2).

6. A processor with built-in sound field testing according to claim 1, characterized in that, The motion seat (306) is slidably connected to the wall of the guide groove (304). The surface of the motion seat (306) is provided with a through window (307) that passes through it. The guide rod (305) is placed at the through window (307) and is slidably connected to the inner wall of the through window (307).

7. A processor with built-in sound field testing according to claim 1, characterized in that, One end of the reset spring (308) is fixedly connected to the wall of the guide groove (304), and the other end of the reset spring (308) is fixedly connected to the motion seat (306).

8. A processor with built-in sound field testing according to claim 1, characterized in that, The servo motor (314) is fitted with a fixed seat (315), one end of the fixed seat (315) is fixedly connected to the inner wall of the support cylinder (1), and the winding roller (311) is fixedly connected to two ends with partitions (312).

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