Array microphone

Abstract

The utility model relates to the technical field of microphones, in particular to an array microphone, which comprises a shell with a protection function, a lifting assembly capable of changing the height is arranged in the shell, a microphone is further arranged in the shell, a top cover is arranged at the top end of the shell, and the lifting assembly comprises symmetrical hinge blocks and first hinge rods rotationally connected with the tops of the hinge blocks. Second hinge rods are arranged at the tops of the first hinge rods, and a fixing assembly is arranged between the two second hinge rods. According to the device, the shell is arranged, the lifting assembly and the microphone in the shell are protected, collision of the microphone is avoided, the service life of the microphone is shortened, a first hinge rod and a second hinge rod are rotationally connected through a rotating shaft, the angle between the first hinge rod and the second hinge rod is controlled, and lifting of the lifting assembly is achieved; and the lifting assembly can be horizontally placed in the shell by folding the lifting assembly, and meanwhile, the microphone is placed in the placing groove, so that the portability of the device is improved, and the use scenes of the device are increased.

Description

Technical Field

[0001] The utility model relates to the technical field of microphones, in particular to an array microphone. Background Art

[0002] In conferences, speeches, performances and other occasions, the quality of audio collection and transmission is crucial to the effectiveness of information transmission. Traditional single microphones often cannot fully and accurately collect audio information from all directions, resulting in a decline in audio quality and affecting the audience's auditory experience. Array microphones refer to a group of microphones arranged at a certain distance. Through the interaction of the tiny time differences between the sound waves reaching each microphone in the array, array microphones can achieve better results than single microphones.

[0003] The utility model with announcement number CN213094441U discloses an array type flip microphone, comprising a table, a movable frame and a rotating frame, wherein a movable groove is provided on the table, the movable groove is movably connected to the movable frame through a screw rod, a movable hole for the screw rod to pass through is provided on the outer wall of the movable frame, a mounting groove is provided in the center of the upper surface of the movable frame, two groups of T-shaped slide rails are provided on the inner wall of the mounting groove, the mounting groove is movably connected to a slider through the slide rail, a sliding groove cooperating with the slide rail is provided on the bottom end surface of the slider, a rotating groove is provided on the upper surface of the slider, a rotating rod is provided inside the rotating groove, the rotating rod is arranged on the bottom end surface of the rotating frame, a clamping groove is provided on the rotating frame, a flip seat is rotatably connected inside the clamping groove, and a groove is provided on the upper surface of the flip seat;

[0004] In the above technical solution, the array-type flip microphone can move the microphone to a suitable position by controlling the movement of the movable frame on the screw rod, and the movable frame is driven to move by the walking wheels arranged at the bottom of the movable frame to adjust the position of the microphone, and the angle of the microphone is changed by the rotating gear arranged inside the rotating frame and the locking teeth arranged on the rotating rod. The simple structural design is convenient for operators to use; however, when the device is actually used, it has no shell protection, and it is easy to collide and damage the microphone body during movement, thereby reducing the service life of the microphone; the device has no lifting structure and cannot change the lifting height, which cannot meet the use needs of users of different heights; and the device has poor portability and few usage scenarios. Utility Model Content

[0005] The purpose of the utility model is to provide a prefabricated cabin ventilation and heat dissipation device to solve the problem of an array-type flip microphone with authorization announcement number CN213094441U proposed in the above-mentioned background technology. However, when the device is actually used, it has no shell protection, and it is easy to collide and damage the microphone body during movement, thereby reducing the service life of the microphone. In addition, the device has no lifting structure and cannot change the lifting height, which cannot meet the use needs of users of different heights. In addition, the device has poor portability and few usage scenarios.

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

[0007] An array microphone comprises a protective shell, a lifting assembly capable of changing height is arranged inside the shell, a microphone is also arranged inside the shell, a top cover is arranged on the top of the shell, a handle is arranged at the center of the top of the top cover, the lifting assembly comprises a symmetrical hinge block and a first hinge rod rotatably connected to the top of the hinge block, a second hinge rod is arranged on the top of the first hinge rod, a fixing assembly is arranged between the two second hinge rods, the fixing assembly comprises a rotating rod and a base mounted on the rotating rod, and a clamping frame is arranged above the base.

[0008] Preferably, a threaded hole is opened at the center of the front side of the top end of the shell, and a through hole is provided at the corresponding position of the threaded hole and the top cover. The through hole is equipped with a fixing screw, and the fixing screw passes through the through hole and the threaded hole in sequence, and the fixing screw is threadedly connected to the threaded hole.

[0009] In the utility model, the fixing screws cooperate with the through holes and the threaded holes to increase the frame stability of the top cover and the outer shell.

[0010] Preferably, the width of the outer wall of the top cover matches the width of the outer wall of the outer shell, and the upper end of the rear side of the outer shell is rotatably connected to the rear side of the top cover via a hinge.

[0011] In the utility model, two hinges are provided to realize the rotation connection between the outer shell and the top cover, so that the top cover can be opened quickly.

[0012] Preferably, a plurality of placement grooves are provided at the front end of the bottom inner portion of the housing, the inner walls of the placement grooves are tightly fitted with the outer walls of the microphones, and the depth of the placement grooves is greater than half the width of the microphones.

[0013] In the utility model, a placement groove is provided to facilitate storage of the microphone. The size of the placement groove is adapted to the size of the microphone, so that the position of the microphone can be fixed even when the shell is moving. The depth of the placement groove is greater than half of the microphone, so that the microphone is fixed more firmly by the placement groove, avoiding collision of the microphone during movement.

[0014] Preferably, a blocking block is provided between the top of the first hinged rod and the bottom of the second hinged rod, and the lengths of the first hinged rod and the second hinged rod are the same and are both less than the width of the housing by at least 4 cm.

[0015] In the utility model, a blocking block is provided to increase the distance between the first hinge rod and the second hinge rod, leaving space for the rotating shaft protrusion between the first hinge rod and the second hinge rod, so as to facilitate the folding and storage of the lifting assembly in the later stage and reduce the occupied space. At the same time, the length of the first hinge rod and the second hinge rod are both shorter than the width of the outer shell, so that the lifting assembly can be placed inside the outer shell.

[0016] Preferably, the bottom ends of the two articulated blocks are respectively welded and fixed to both sides of the inner bottom surface of the outer shell, the inner side of the articulated block is rotatably connected to the outer side of the bottom end of the first articulated rod through a rotating shaft, the inner side of the top end of the first articulated rod is rotatably connected to the outer side of the bottom end of the second articulated rod through a rotating shaft, and the inner side of the top end of the second articulated rod is rotatably connected to both sides of the rotating rod through a rotating shaft.

[0017] In the utility model, the articulated block and the first articulated rod, the first articulated rod and the second articulated rod, and the second articulated rod and the fixed assembly are rotatably connected via a rotating shaft. By applying a force greater than the friction force, the longitudinal rotation between the articulated block and the first articulated rod, the first articulated rod and the second articulated rod, and the second articulated rod and the fixed assembly is controlled to meet the height and orientation requirements of users with different usage requirements.

[0018] Preferably, the two sides of the rotating rod are rotatably connected to the inner sides of the two second hinged rods via a rotating shaft.

[0019] In the utility model, the friction between the rotating rod and the second hinged rod is controlled by adjusting the tightness of the rotating rod and the rotating shaft on the second hinged rod, and the overall free lateral rotation of the fixed component is achieved by applying a force greater than the friction.

[0020] Preferably, the bottom end of the base is fixed to the outer surface of the rotating rod by screws, and the distance between two adjacent bases is greater than the width of the microphone.

[0021] In the utility model, the tightness of the rotating rod and the screws on the base is adjusted to control the size of the friction between the rotating rod and the base, so as to realize the longitudinal rotation of the clamping frame on the base. The distance between the bases is greater than the width of the microphone, so as to avoid collision between the microphones due to the distance and affect the service life of the microphones.

[0022] Preferably, two ends of the bottom of the clamping frame are rotatably connected to two ends of the inner side of the base via a rotating shaft, and the inner wall of the clamping frame is tightly fitted to the outer wall of the microphone handle.

[0023] In the utility model, the friction between the clamping frame and the base can be controlled by adjusting the tightness of the rotating shaft between the clamping frame and the base. By applying a force greater than the friction, the clamping frame can be controlled to rotate 180 degrees longitudinally. At the same time, the clamping frame is matched with the microphone handle, so that the microphone is fixed more firmly.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] 1. The utility model provides a shell to protect the lifting assembly and the microphone in the shell, thereby preventing the microphone from colliding and reducing the service life of the microphone. The first hinge rod and the second hinge rod are rotatably connected through a rotating shaft. The lifting assembly is lifted and lowered by controlling the angle between the first hinge rod and the second hinge rod to meet the use requirements of users of different heights. The lifting assembly can be placed flat in the shell by folding the lifting assembly, and the microphone can be placed in the placement slot at the same time, thereby improving the portability of the device and increasing the use scenarios of the device.

[0026] 2. The utility model provides a handle at the center of the top cover to facilitate the movement of the outer shell, and realizes longitudinal and lateral rotation of the microphone on the clamping frame through the rotation connection between the rotating rod and the base, and the rotation connection between the base and the clamping frame, thereby improving the flexibility of using the microphone, and increasing the frame stability of the top cover and the outer shell by providing fixing screws and threaded holes. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the portable state structure of the utility model;

[0028] Figure 2 This is a schematic diagram of the open state of the utility model;

[0029] Figure 3 This is a schematic diagram of the use state of the utility model;

[0030] Figure 4 This is a schematic diagram of the lifting assembly structure of the utility model;

[0031] Figure 5 It is a schematic diagram of an explosion of one side of the lifting component of the utility model.

[0032] The meaning of each number in the figure is:

[0033] Shell; 10, top cover; 100, handle; 101, through hole; 102, fixing screw; 11, threaded hole; 12, mounting groove;

[0034] Lifting assembly; 20, hinge block; 21, first hinge rod; 210, blocking block; 22, second hinge rod; 23, fixing assembly; 230, rotating rod; 231, base; 232, clamping frame;

[0035] 3. Microphone. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0037] See also Figure 1-Figure 5 , this embodiment provides a technical solution:

[0038] An array microphone comprises a protective shell 1, a lifting assembly 2 capable of changing height is arranged inside the shell 1, a microphone 3 is also arranged inside the shell 1, a top cover 10 is arranged at the top of the shell 1, a threaded hole 11 is opened at the center of the front side of the top of the shell 1, a through hole 101 is arranged at the corresponding position of the threaded hole 11 and the top cover 10, a fixing screw 102 is matched on the through hole 101, the fixing screw 102 passes through the through hole 101 and the threaded hole 11 in sequence, and the fixing screw 102 is threadedly connected with the threaded hole 11.

[0039] In the present invention, the fixing screws 102 cooperate with the through holes 101 and the threaded holes 11 to increase the frame stability of the top cover 10 and the housing 1 .

[0040] Specifically, the width of the outer wall of the top cover 10 is matched with the width of the outer wall of the outer shell 1, and the upper end of the rear side of the outer shell 1 is rotatably connected to the rear side of the top cover 10 through a hinge.

[0041] In the utility model, two hinges are provided to realize the rotation connection between the housing 1 and the top cover 10, so that the top cover 10 can be opened quickly.

[0042] It should be noted that a plurality of placement grooves 12 are provided at the front end of the bottom of the housing 1 , the inner wall of the placement grooves 12 is tightly fitted with the outer wall of the microphone 3 , and the depth of the placement grooves 12 is greater than half the width of the microphone 3 .

[0043] In the utility model, a placement groove 12 is provided to facilitate storage of the microphone 3. The size of the placement groove 12 is adapted to the size of the microphone 3, so that the position of the microphone 3 can be fixed even when the housing 1 is moving. The depth of the placement groove 12 is greater than half of the microphone 3, so that the microphone 3 is fixed more firmly by the placement groove 12, avoiding collision of the microphone 3 during movement.

[0044] Furthermore, a handle 100 is provided at the center of the top of the top cover 10, and the lifting assembly 2 includes a symmetrical hinge block 20 and a first hinge rod 21 rotatably connected to the top of the hinge block 20, a second hinge rod 22 is provided on the top of the first hinge rod 21, and a blocking block 210 is provided between the top of the first hinge rod 21 and the bottom of the second hinge rod 22. The lengths of the first hinge rod 21 and the second hinge rod 22 are the same and are both at least 4 cm less than the width of the outer shell 1.

[0045] In the utility model, a blocking block 210 is provided to increase the distance between the first hinged rod 21 and the second hinged rod 22, leaving space for the pivot protrusion between the first hinged rod 21 and the second hinged rod 22, so as to facilitate the folding and storage of the lifting assembly 2 in the later stage and reduce the occupied space. At the same time, the lengths of the first hinged rod 21 and the second hinged rod 22 are both shorter than the width of the outer shell 1, so that the lifting assembly 2 can be placed inside the outer shell 1.

[0046] It should be mentioned again that the bottom end of the hinge block 20 is welded and fixed to both sides of the inner bottom surface of the outer shell 1, the inner side of the hinge block 20 is rotatably connected to the outer side of the bottom end of the first hinge rod 21 through a rotating shaft, the inner side of the top end of the first hinge rod 21 is rotatably connected to the outer side of the bottom end of the second hinge rod 22 through a rotating shaft, and the inner side of the top end of the second hinge rod 22 is rotatably connected to both sides of the rotating rod 230 through a rotating shaft.

[0047] In the utility model, the articulated block 20 and the first articulated rod 21, the first articulated rod 21 and the second articulated rod 22, the second articulated rod 22 and the fixed assembly 23 are rotatably connected via a rotating shaft. By applying a force greater than the friction force, the longitudinal rotation between the articulated block 20 and the first articulated rod 21, the first articulated rod 21 and the second articulated rod 22, the second articulated rod 22 and the fixed assembly 23 is controlled to meet the height and orientation requirements of users with different usage requirements.

[0048] Secondly, a fixing assembly 23 is provided between the two second hinged rods 22. The fixing assembly 23 includes a rotating rod 230 and a base 231 installed on the rotating rod 230. Both sides of the rotating rod 230 are rotatably connected to the inner sides of the two second hinged rods 22 via a rotating shaft.

[0049] In the present invention, the friction between the rotating rod 230 and the second hinge rod 22 is controlled by adjusting the tightness of the rotating shaft on the rotating rod 230 and the second hinge rod 22, and the fixing assembly 23 is controlled to rotate freely horizontally as a whole by applying a force greater than the friction.

[0050] It should be mentioned again that the base 231 connected to the top of the rotating rod 230, the bottom end of the base 231 is fixed to the outer surface of the rotating rod 230 by screws, and the distance between two adjacent bases 231 is greater than the width of the microphone 3.

[0051] In the utility model, by adjusting the tightness of the screws on the rotating rod 230 and the base 231, the size of the friction between the rotating rod 230 and the base 231 is controlled to achieve the longitudinal rotation of the clamping frame 232 on the base 231. The distance between the bases 231 is greater than the width of the microphone 3, avoiding collision between the microphones 3 due to the distance and affecting the service life of the microphone 3.

[0052] Finally, it should be mentioned that a clamping frame 232 is provided above the base 231 , and the two ends of the bottom of the clamping frame 232 are rotatably connected to the two ends of the inner side of the base 231 through a rotating shaft, and the inner wall of the clamping frame 232 is tightly fitted with the outer wall of the microphone 3 handle.

[0053] In the utility model, the friction between the clamping frame 232 and the base 231 can be controlled by adjusting the tightness of the rotating shaft between the clamping frame 232 and the base 231. By applying a force greater than the friction, the clamping frame 232 can be controlled to rotate 180 degrees longitudinally. At the same time, the clamping frame 232 is matched with the handle of the microphone 3, so that the microphone 3 is fixed more firmly.

[0054] When using an array microphone in the present embodiment, the user first rotates the shell 1 and the top cover 10 through a hinge, welds and fixes the bottom end of the handle 100 to the center of the top of the top cover 10, symmetrically welds the hinge block 20 to the bottom end of the shell 1, and rotates the bottom end of the first hinge rod 21 to the hinge block 20 through a rotating shaft. A blocking block 210 is placed between the first hinge rod 21 and the second hinge rod 22, and the top end of the first hinge rod 21, the blocking block 210, and the bottom end of the second hinge rod 22 are rotationally connected through a rotating shaft. The inner side of the top of the second hinge rod 22 is rotationally connected to both sides of the rotating rod 230 through a rotating shaft, the bottom of the base 231 is fixed to the outer surface of the rotating rod 230 by screws, the bottom end of the clamping frame 232 is rotationally connected to the inner side of the base 231 through a rotating shaft, and the components on the lifting assembly 2 are rotationally connected through a rotating shaft to achieve height adjustment and angle adjustment of the microphone 3, and place the microphone 3 on the placement slot 12;

[0055] When the array microphone is needed, first unscrew the fixing screw 102, hold the handle 100 to open the top cover 10, unfold the lifting assembly 2, adjust the tightness of the rotating shafts between the parts, and adjust the angle between the first hinge rod 21 and the hinge block 20 and the angle between the first hinge rod 21 and the second hinge rod 22 by applying a force greater than the friction force to adjust the height of the microphone 3, adjust the longitudinal rotation angle of the rotating rod 230, adjust the lateral rotation angle of the base 231, and adjust the longitudinal rotation angle of the clamping frame 232 to adjust the angle of the microphone 3, and take the microphone 3 out of the placement slot 12 and place it on the clamping frame 232;

[0056] After use, first take the microphone 3 out of the clamping frame 232 and place it in the placement groove 12. By applying a force greater than the friction force, fold the lifting assembly 2, fold the first hinge rod 21 and the second hinge rod 22 to be parallel to the bottom surface of the housing 1, adjust the rotation angle of the fixing assembly 23 to a suitable position, close the top cover 10, and tighten the fixing screw 102;

[0057] When the parts of the lifting component 2 are damaged, unscrew the rotating shaft of the fixed parts, replace the damaged parts, screw on the rotating shaft; when the parts of the fixing component 23 are damaged, unscrew the rotating shaft of the fixed parts, replace the damaged parts, screw on the rotating shaft, and adjust the tightness of the rotating shaft to the appropriate tightness.

Claims

1. An array microphone, comprising a protective housing (1), a lifting assembly (2) capable of changing height being provided inside the housing (1), and a microphone (3) being provided inside the housing (1), characterized in that: A top cover (10) is provided at the top of the housing (1), a handle (100) is provided at the center of the top of the top cover (10), the lifting assembly (2) comprises a symmetrical hinge block (20) and a first hinge rod (21) rotatably connected to the top of the hinge block (20), a second hinge rod (22) is provided at the top of the first hinge rod (21), a fixing assembly (23) is provided between the two second hinge rods (22), the fixing assembly (23) comprises a rotating rod (230) and a base (231) mounted on the rotating rod (230), and a clamping frame (232) is provided above the base (231).

2. The array microphone according to claim 1, characterized in that: A threaded hole (11) is provided at the center of the front side of the top end of the housing (1), a through hole (101) is provided at a position corresponding to the threaded hole (11) and the top cover (10), a fixing screw (102) is provided on the through hole (101), the fixing screw (102) passes through the through hole (101) and the threaded hole (11) in sequence, and the fixing screw (102) is threadedly connected to the threaded hole (11).

3. The array microphone according to claim 1, characterized in that: The width of the outer wall of the top cover (10) matches the width of the outer wall of the outer shell (1), and the upper end of the rear side of the outer shell (1) is rotatably connected to the rear side of the top cover (10) via a hinge.

4. The array microphone according to claim 1, characterized in that: A plurality of placement grooves (12) are provided at the front end of the bottom inner portion of the housing (1), the inner walls of the placement grooves (12) are tightly fitted with the outer walls of the microphone (3), and the depth of the placement grooves (12) is greater than half the width of the microphone (3).

5. The array microphone according to claim 1, characterized in that: A blocking block (210) is provided between the top of the first hinged rod (21) and the bottom of the second hinged rod (22); the first hinged rod (21) and the second hinged rod (22) have the same length and are both at least 4 cm shorter than the width of the housing (1).

6. The array microphone according to claim 1, characterized in that: The bottom end of the hinge block (20) is respectively welded and fixed to both sides of the inner bottom surface of the housing (1); the inner side of the hinge block (20) is rotatably connected to the outer side of the bottom end of the first hinge rod (21) via a rotating shaft; the inner side of the top end of the first hinge rod (21) is rotatably connected to the outer side of the bottom end of the second hinge rod (22) via a rotating shaft; and the inner side of the top end of the second hinge rod (22) is rotatably connected to both sides of the rotating rod (230) via a rotating shaft.

7. The array microphone according to claim 1, characterized in that: The two sides of the rotating rod (230) are rotatably connected to the inner sides of the two second hinged rods (22) via a rotating shaft.

8. The array microphone according to claim 1, characterized in that: The bottom end of the base (231) is fixed to the outer surface of the rotating rod (230) by means of screws, and the distance between two adjacent bases (231) is greater than the width of the microphone (3).

9. The array microphone according to claim 1, characterized in that: The two ends of the bottom of the clamping frame (232) are rotatably connected to the two ends of the inner side of the base (231) via a rotating shaft, and the inner wall of the clamping frame (232) is tightly fitted to the outer wall of the microphone (3) handle.

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