A microphone array support

Abstract

The utility model discloses a microphone array support relates to audio equipment technical field, solves the problem of current microphone support adjustment complicated, stability and poor problem of vibration reduction. It includes: base, the length of main stem is telescopic adjustment, the lower extreme of main stem is connected with the connecting piece through universal ball head, so that the main stem can multidirectional partial swing, support assembly, wherein the support assembly includes main support, and the multiple sliding parts of array distribution on main support, the sliding part with the main support is for the interpenetration connection, and the collet for clamping microphone is hinged on every sliding part, and the collet has the flexible pad of facing the microphone. This microphone support design is used for fixing multiple microphones simultaneously, forms an array, thereby realizes 360 degrees all -round sound pickup, and the optimization stereo sound effect and sound source positioning are realized, and the position and angle of microphone are adjustable, and the support has the shock attenuation structure, reduces the influence of vibration to microphone.

Description

Technical Field

[0001] This utility model relates to the field of audio equipment technology, and in particular to a microphone array bracket. Background Technology

[0002] In psychoacoustics, which relates to subjective hearing, there are phenomena such as masking and prioritization effects. For car speakers, due to the large number of speakers in the car, one may focus on the sound of a few speakers while ignoring the sound of most of the other speakers. The complex subjective hearing from multiple sound sources cannot be reflected by a simple linear superposition and averaging of these sounds. In addition, car speakers often have a large number of upmixing, downmixing and various sound effect algorithms. These algorithms cannot be tested by simple frequency response curves of sweep signals or pink noise. Therefore, the default overall frequency response of the car is basically only used to characterize low-frequency performance and the distribution of the three frequencies.

[0003] Microphones are widely used in various settings such as recording, stage performances, and conferences. Microphone stands, as essential tools for supporting microphones, directly impact microphone performance and user experience through their design and functionality. However, with technological advancements and diversified user needs, traditional microphone stands have revealed some problems in practical use, limiting their application in certain scenarios.

[0004] Traditional microphone stands are cumbersome to adjust, usually requiring tools for disassembly and installation. This makes it inconvenient and time-consuming when the microphone position or height needs to be adjusted frequently.

[0005] Insufficient stability is another prominent issue. Many microphone stands are prone to wobbling or tipping when placed on uneven surfaces or subjected to external forces, causing microphones to shift or even become damaged. This is especially true during stage performances, where factors such as personnel movement and equipment collisions place even greater demands on the stability of the main support.

[0006] The lack of effective vibration damping and noise reduction capabilities is a significant drawback. In environments with high vibration, such as near stage machinery or while recording in moving vehicles, traditional microphone stands cannot effectively isolate vibrations, leading to additional noise from the microphone and affecting sound clarity and recording quality. Furthermore, the direct rigid connection between the microphone and the main stand easily transmits vibrations from the main stand to the microphone, further exacerbating the noise problem. Utility Model Content

[0007] The purpose of this invention is to solve the above-mentioned problems by designing a microphone array bracket that addresses the issues of cumbersome adjustment, poor stability, and poor vibration damping in existing microphone brackets.

[0008] The technical solution of this utility model to achieve the above objectives is a microphone array bracket, comprising:

[0009] The base includes a connector and at least three legs hinged to the outer periphery of the base, the ends of which are provided with rubber pads;

[0010] The main rod has an adjustable length, and its lower end is connected to the connector via a universal ball joint so that the main rod can swing in multiple directions.

[0011] The support assembly is connected to the top of the main rod via a universal ball joint, allowing for multi-angle adjustment of the support assembly.

[0012] The bracket assembly includes a main bracket and multiple sliding parts arranged in an array on the main bracket. The sliding parts are interlocked with the main bracket. Each sliding part is hinged with a clamp for holding a microphone. The clamp has a flexible pad facing the microphone.

[0013] Preferably, the outer periphery of the connector has at least three hinge portions and at least three stop portions, the support leg, the hinge portion and the stop portion correspond one to one, the upper end of the support leg is hinged to the hinge portion by a pin, and the upper end of the support leg has a blocking portion, which can abut against the stop portion to limit the rotation angle of the support leg.

[0014] Preferably, each leg is provided with a lead block at its lower end, and the end of the lead block is wrapped with rubber.

[0015] Preferably, the main rod is provided with universal ball assemblies at both the upper and lower ends. The universal ball assembly includes a platform base, a universal ball seat, and a universal ball head. The ball part of the universal ball head is connected to the hollow ball joint on the universal ball seat, and the rod part of the universal ball head is threaded to the platform base.

[0016] Preferably, the outer side of the universal ball joint is threaded with a knob, which can pass through the universal ball joint and abut against the ball part of the universal ball head.

[0017] Preferably, the bottom of the sliding part is threaded with a knob, which can pass through the sliding part and abut against the main bracket to restrict the sliding part from sliding.

[0018] Preferably, the main support is assembled from multiple rods, and the main support is fitted with multiple first limiting sleeves to prevent the sliding part from sliding out of the main support. The main support is provided with a second limiting sleeve in the middle to limit the sliding position of the sliding part.

[0019] Preferably, the clamp has two opposing clamping pieces, which are designed to mimic the outer periphery of the microphone, and the inner side of the clamping pieces is provided with a rubber pad.

[0020] Preferably, the sliding part has two opposing clamping pieces, the lower end of the clamp is clamped between the two clamping pieces, and is hinged to the two clamping pieces by a pin.

[0021] Its advantages over existing technologies are:

[0022] In this invention, the base formed around the hinged connector provides stable support for the entire support structure, while the rubber pads at the ends of the legs provide anti-slip and vibration damping, reducing the impact of ground vibrations on the support structure. The main rod is telescopic and adjustable to accommodate microphone height adjustments. The main rod and base are connected via a universal ball joint, allowing for omnidirectional angle adjustment. The universal ball joint connection between the main rod and the support assembly not only ensures stable installation but also provides a flexible adjustment range to meet diverse sound pickup needs, while also ensuring high structural strength and durability.

[0023] The sliding part can slide on the main bracket to adjust the position of individual microphones. Microphones can be fixed to the main bracket in an array and held in place by clamps. The main bracket can rotate freely, and the clamps are hinged to the sliding part to adjust the angle and position of the microphones, thereby achieving 360-degree omnidirectional sound pickup, optimizing stereo effects and sound source localization. Flexible pads between the microphones and clamps act as vibration dampers to further reduce the impact of vibration on the microphones, preventing additional noise and ensuring stable sound pickup for optimal performance. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of the microphone array bracket;

[0025] Figure 2 This is a structural schematic diagram of the omnidirectional ball assembly;

[0026] Figure 3 This is a structural diagram of the base;

[0027] Figure 4 This is a structural diagram of the connector in the base;

[0028] Figure 5 This is a structural schematic diagram of the support assembly;

[0029] Figure 6 This is a schematic diagram of the installation structure of the sliding part and the clamp;

[0030] Figure 7 This is a schematic diagram of the chuck's structure.

[0031] In the diagram, 1. Base; 11. Connector; 101. Hinge; 102. Stop; 12. Support leg; 121. Lead block; 122. Rubber pad; 123. Block; 2. Main rod; 21. Screw sleeve; 3. Bracket assembly; 31. Main bracket; 32. Sliding part; 321. Hinge piece; 4. Clamp; 41. Clamping piece; 5. Universal ball assembly; 51. Platform base; 52. Universal ball seat; 53. Universal ball head; 6. Knob; 7. Flexible pad; 8. First limit sleeve; 9. Second limit sleeve. Detailed Implementation

[0032] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0033] In automotive audio testing, measuring the frequency response curve of a speaker using only a single microphone is almost meaningless for evaluating complex automotive speaker systems (especially encapsulated non-standard systems). While this testing method is suitable for mono speakers or standard stereo systems, in the complex sound field environment of a car, due to the confined space, complex reflections, numerous speakers, and discontinuous sound field distribution (frequency abrupt changes may occur within a few centimeters), single-microphone testing cannot fully describe the sound field characteristics. Therefore, microphone arrays exhibit significant advantages in multi-directional sound pickup, sound source localization, and noise reduction, better adapting to complex sound field environments and improving the stability and reliability of test results.

[0034] like Figure 1 As shown, a preferred embodiment of the present invention provides a microphone array bracket that can fix the array of microphones and adjust the position of the microphones at multiple angles.

[0035] Specifically, the microphone array bracket mainly includes a base 1, a main rod 2, a bracket assembly 3, and clamps 4. Universal ball joints 5 are installed at both the upper and lower ends of the main rod 2, and are respectively connected to the base 1 and the bracket assembly 3 via ball joints. Multiple clamps 4 are arranged in an array on the bracket assembly 3 for holding the microphone.

[0036] The top microphone array is designed to hold multiple microphones in place simultaneously, forming an array that enables 360° omnidirectional sound pickup, optimizing stereo sound and sound source localization.

[0037] like Figure 1 As shown, main rod 2 is the core support structure of the entire bracket system, and it is vertical. Main rod 2 is made of high-strength plastic with a smooth surface, possessing certain compressive and bending resistance.

[0038] The main pole 2 is a telescopic pole with a hollow cylinder interior. It has three telescopic sections to adjust the microphone height. A screw sleeve 21 connects the three sections. After the three sections are adjusted, tightening the screw sleeve 21 secures the poles, preventing further extension and fixing their position. The height can be adjusted using the screw sleeve 21 to suit different usage scenarios.

[0039] like Figure 2 As shown, the omnidirectional ball assembly 5 mainly consists of a platform base 51, an omnidirectional ball seat 52, and an omnidirectional ball head 53. The omnidirectional ball head 53 includes a ball portion and a rod portion connected to the ball portion. The rod portion is a screw, and it is threadedly connected to and passes through the platform base 51. The omnidirectional ball seat 52 has a cavity that can accommodate the ball portion, and the ball portion of the omnidirectional ball head 53 is connected to this cavity by a ball joint. Therefore, the platform base 51 and the omnidirectional ball head 53 can rotate at any angle relative to the omnidirectional ball seat 52.

[0040] A knob 6 is threaded onto the outer side of the universal ball seat 52. The lever of the knob 6 passes through the universal ball seat 52 and can abut against the ball part of the universal ball head 53 to prevent the universal ball head 53 from rotating again.

[0041] In this embodiment, the universal ball joint 52 located at the lower end of the main rod 2 is fixedly connected to the base 1. The rod portion of the universal ball head 53 passes through the platform seat 51 and is threadedly connected to the lower end of the main rod 2, allowing the main rod 2 to swing at any angle relative to the base 1. The universal ball joint 52 located at the upper end of the main rod 2 is fixedly connected to the upper end of the main rod 2. The rod portion of the universal ball head 53 passes through the platform seat 51 and is threadedly connected to the bottom of the bracket assembly 3, allowing the bracket assembly 3 to swing at any angle relative to the main rod 2. After the angle adjustment is completed, turn the knob 6 to lock it in place.

[0042] like Figure 3 As shown, the base 1 consists of a connector 11 and at least three legs 12. In this embodiment, three legs are preferred. The connector 11 is located in the center, and the three legs 12 are hinged to the outer periphery of the connector 11 and spread out radially to provide stable support for the entire structure.

[0043] In other embodiments, the number of legs 12 can be four, five, etc.

[0044] Three hinge portions 101 are formed obliquely downward at corresponding positions on the outer periphery of the connector 11. The upper end of the support leg 12 is hinged to the corresponding hinge portion 101 by a pin. There is a certain preload between the support leg 12 and the hinge portion 101 to form damping, thereby limiting the movement of the support leg 12.

[0045] See Figure 3 , Figure 4, on the outer periphery of the connecting member 11, a stop portion 102 is formed above each hinge portion 101. At the same time, a blocking portion 123 is formed on the upper edge of the upper end portion of the leg 12. When the leg 12 is turned upwards, the blocking portion 123 at the upper end portion of the leg 12 will abut against the stop portion 102 to limit the rotation angle of the leg 12, so that the leg 12 maintains a downward inclined state and provides stable support. When not in use, the three legs 12 can be turned downwards for storage.

[0046] The legs 12 are fixed to the bottom of the main rod 2 through a central connecting member 11 to ensure the stability of the tripod. The design of the tripod enables the device to maintain balance on various ground surfaces, especially providing reliable support on uneven ground.

[0047] As Figure 3 shown, lead blocks 121 are provided at the ends (i.e., the lower ends) of each leg 12 to provide counterweights and enhance stability. A flexible pad 7 is wrapped around the ends of the lead blocks 121. The flexible pad 7 is preferably made of rubber material to play a role in anti-slip and vibration damping, and improve the stability of the support.

[0048] The connection design between the main rod 2 and the bracket assembly 3 not only enables stable installation, but also provides a flexible adjustment range to meet diverse sound pickup requirements, while taking into account the high strength and durability of the structure. The main rod 2 and the tripod base 1 also achieve omnidirectional angle adjustment through a universal ball head 53 and are equipped with a fine-tuning knob 6 for precise fixation, thereby ensuring the overall stability and reliability of the device.

[0049] As Figure 5 shown, the bracket assembly 3 is mainly composed of a main bracket 31 and multiple sliding portions 32. The main bracket 31 is formed by splicing multiple rods. The multiple rods are connected by screws or can also be connected by welding. The spliced main bracket 31 presents a "king" character shape.

[0050] In this embodiment, a total of six sliding portions 32 are provided. The six sliding portions 32 are arranged in an array on the main bracket 31 and are connected to the main bracket 31 in an interpenetrating and sliding manner to facilitate the adjustment of the positions of the sliding portions 32. A knob 6 is provided at the bottom of each sliding portion 32. The knob 6 is threadedly connected to the sliding portion 32 and can pass through the sliding portion 32 to abut against the main bracket 31 to limit the sliding of the sliding portion 32. When the position of the sliding portion 32 is adjusted, the knob 6 can be tightened.

[0051] As Figure 5As shown, three first limiting sleeves 8 are fitted on each side of the main support 31. The first limiting sleeves 8 protrude from the surface of the main support 31 to prevent the sliding part 32 from sliding off the main support 31. Three second limiting sleeves 9 are provided in the middle area of ​​the main support 31, two of which are T-shaped and one is cross-shaped. The second limiting sleeves 9 also protrude from the surface of the main support 31 to limit the sliding distance of the sliding part 32. That is to say, the sliding part 32 can only slide between the first limiting sleeves 8 and the second limiting sleeves 9.

[0052] See Figure 6 Each sliding part 32 has two hinge plates 321 on its upper part. The protruding part of the bottom of the chuck 4 is clamped by the two hinge plates 321 and is hinged to the two hinge plates 321 by a pin. That is to say, the clamping force must be overcome by external force in order to rotate the chuck 4.

[0053] See Figure 7 The clamp 4 has two opposing clamping plates 41, which are designed to mimic the shape of the microphone. The two clamping plates 41 clamp the microphone handle tightly. A rubber pad 122 is provided on the inner side of each clamping plate 41 to dampen vibration and prevent vibration from affecting the microphone.

[0054] The above technical solution only embodies the preferred technical solution of this utility model. Any changes that may be made by those skilled in the art to certain parts of it embody the principle of this utility model and fall within the protection scope of this utility model.

Claims

1. A microphone array bracket, characterized in that, include: The base (1) includes a connector (11) and at least three legs (12) hinged to the outer periphery of the connector (11), and the ends of the legs (12) are provided with rubber pads (122). The main rod (2) has an adjustable length and the lower end of the main rod (2) is connected to the connector (11) through a universal ball joint (53) so that the main rod (2) can swing in multiple directions. The bracket assembly (3) is connected to the top of the main rod (2) via a universal ball joint (53) so that the bracket assembly (3) can be adjusted at multiple angles. The bracket assembly (3) includes a main bracket (31) and a plurality of sliding parts (32) arranged in an array on the main bracket (31). The sliding parts (32) are interlocked with the main bracket (31). Each sliding part (32) is hinged with a clamp (4) for holding a microphone. The clamp (4) has a flexible pad (7) facing the microphone.

2. The microphone array bracket according to claim 1, characterized in that, Each leg (12) has a lead block (121) at its lower end, and the rubber pad (122) is wrapped around the end of the lead block (121).

3. The microphone array bracket according to claim 1, characterized in that, The outer periphery of the connector (11) has at least three hinge portions (101) and at least three stop portions (102). The support leg (12), the hinge portions (101) and the stop portions (102) correspond one to one. The upper end of the support leg (12) is hinged to the hinge portion (101) by a pin. The upper end of the support leg (12) has a blocking portion (123). The blocking portion (123) can abut against the stop portion (102) to limit the rotation angle of the support leg (12).

4. The microphone array bracket according to claim 1, characterized in that, The main rod (2) is provided with universal ball assemblies (5) at both the upper and lower ends. The universal ball assembly (5) includes a platform base (51), a universal ball seat (52) and a universal ball head (53). The ball part of the universal ball head (53) is connected to the hollow ball joint on the universal ball seat (52), and the rod part of the universal ball head (53) is threaded to the platform base (51).

5. The microphone array bracket according to claim 4, characterized in that, A knob (6) is threaded onto the outer side of the universal ball seat (52), and the knob (6) can pass through the universal ball seat (52) and abut against the ball part of the universal ball head (53).

6. The microphone array bracket according to claim 1, characterized in that, The bottom of the sliding part (32) is threaded with a knob (6), which can pass through the sliding part (32) and abut against the main bracket (31) to restrict the sliding part (32) from sliding.

7. The microphone array bracket according to claim 1, characterized in that, The main support (31) is spliced ​​from multiple rods. Multiple first limiting sleeves (8) are fitted on the main support (31) to prevent the sliding part (32) from sliding out of the main support (31). A second limiting sleeve (9) is provided in the middle of the main support (31) to limit the sliding position of the sliding part (32).

8. The microphone array bracket according to claim 1, characterized in that, The clamp (4) has two opposing clamping pieces (41), which are designed to mimic the shape of the outer periphery of the microphone. A rubber pad (122) is provided on the inner side of the clamping piece (41).

9. The microphone array bracket according to claim 1, characterized in that, The sliding part (32) has two hinge pieces (321) arranged opposite to each other. The lower end of the clamp (4) is clamped between the two hinge pieces (321) and is hinged to the two hinge pieces (321) by a pin.

Images