CN213038952U

CN213038952U - Listening room capable of adjusting reverberation time

Info

Publication number: CN213038952U
Application number: CN202021345645.6U
Authority: CN
Inventors: 李玉娟
Original assignee: Tianjin Liexing Technology Co ltd
Current assignee: Tianjin Liexing Technology Co ltd
Priority date: 2020-07-09
Filing date: 2020-07-09
Publication date: 2021-04-23
Anticipated expiration: 2030-07-09

Abstract

The utility model discloses a listening room of adjustable reverberation time, including the listening room, be provided with the slide rail on the listening room, and the slide rail is located the both ends position on the listening room, be provided with the regulating plate on the listening room, be provided with the transmission case on the listening room, be provided with the motor in the transmission case, the controller is installed to the one end of motor, the utility model discloses an one end at the motor is provided with the controller, and carries out the operation of control motor through the controller to realize the regulation at any time of listening room inner area, be convenient for the regulation of listening room reverberation time, at the inside internal connection that is provided with sound wedge plate layer and protects the regulating plate of regulating plate that is inside, effectual realization regulating plate and listening room inner space's isolated reach the most basic state's off nature, realize the inside listening effect of listening room.

Description

Listening room capable of adjusting reverberation time

Technical Field

The utility model relates to a anechoic room technical field specifically is an adjustable reverberation time's listening room.

Background

The anechoic chamber is not only a special laboratory for acoustic testing, but also an important component of a testing system, and is actually one of acoustic testing devices, the acoustic performance index of the anechoic chamber directly influences the testing precision, and the anechoic chamber is divided into a full anechoic chamber and a half anechoic chamber.

The current stage of a listening room has many disadvantages, such as inconvenience in adjusting reverberation, weak isolation performance, and low adjustment performance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a listening room of adjustable reverberation time to solve the reverberation that proposes among the above-mentioned background art and be not convenient for adjust, the isolation performance is weak and the lower problem of regulation performance.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a listening room of adjustable reverberation time, includes the listening room, be provided with the slide rail on the listening room, and the slide rail is located the both ends position on the listening room, be provided with the regulating plate on the listening room, be provided with the transmission case on the listening room, be provided with the motor in the transmission case, the controller is installed to the one end of motor, the belt is installed to the one end of motor, the pivot is installed to the one end of belt, be provided with the connecting axle in the pivot, be provided with the pulley on the connecting axle, be provided with the lifting rope on the pulley, and the lifting rope is located the both ends position on the regulating plate, fixed cover is installed at the both ends of regulating plate, be provided with the wedge layer of absorbing in the regulating plate, be provided with the limiting plate on the.

Preferably, a sound insulation board is arranged on the listening room, and sound insulation cotton is arranged on the sound insulation board.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses be provided with the transmission case at the top of sound-absorbing room, and be provided with the motor inside the transmission case and carry out the position of connecting belt and pivot, be connected the rotation of connecting axle through the pivot, carry out the position of connecting the lifting rope through the pulley on the connecting axle simultaneously, fix the regulating plate through the lifting rope, and then realize listening indoor area's change to this reverberation regulation that reaches listening indoor;

2. the utility model discloses an one end at the motor is provided with the controller, and controls the operation of motor through the controller to realize the regulation at any time of listening room inner area, the regulation of listening room reverberation time of being convenient for is provided with the internal connection that the regulating plate was protected to the sound wedge plate layer inside the regulating plate, and effectual realization regulating plate and listening room inner space's isolation reaches the off nature of most base state, realizes the listening effect of listening room inside.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the acoustic wedge plate layer of the present invention;

FIG. 3 is a front view of the rotating shaft of the present invention

Fig. 4 is a top view of the adjusting plate of the present invention.

In the figure: 1. a lifting rope; 2. a connecting shaft; 3. an adjusting plate; 4. a transmission case; 5. a belt; 6. A motor; 7. a controller; 8. a limiting plate; 9. a slide rail; 10. a support frame; 11. a sound insulating board; 12. sound insulation cotton; 13. a listening room; 14. a pulley; 15. a rotating shaft; 16. a sound-absorbing wedge layer; 17. and (4) fixing sleeves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present invention provides an embodiment: the utility model provides an adjustable reverberation time's listening room, including listening room 13, be provided with slide rail 9 on listening room 13, slide rail 9 is used for protecting the high lift of regulating plate 3, and slide rail 9 is located the both ends position on listening room 13, be provided with regulating plate 3 on listening room 13, regulating plate 3 is used for adjusting the inside space size of listening room 13, be provided with transmission case 4 on listening room 13, transmission case 4 is used for protecting the work of motor 6, be provided with motor 6 in the transmission case 4, motor 6 is used for driving belt 5 and rotates, thereby drive pivot 15 through belt 5 and rotate, controller 7 is installed to motor 6's one end, controller 7 is used for controlling motor 6's work.

Further, belt 5 is installed to the one end of motor 6, and belt 5 is used for driving pivot 15 to rotate, and pivot 15 is installed to the one end of belt 5, and pivot 15 is used for driving connecting axle 2 to rotate, is provided with connecting axle 2 in the pivot 15, and connecting axle 2 is used for driving pulley 14 to rotate.

Further, a pulley 14 is arranged on the connecting shaft 2, the pulley 14 is used for controlling the length change of the lifting rope 1, the lifting rope 1 is arranged on the pulley 14, the lifting rope 1 is used for connecting the position of the adjusting plate 3, the height lifting of the adjusting plate 3 is achieved, and the lifting rope 1 is located at two ends of the adjusting plate 3.

Further, fixed cover 17 is installed at the both ends of regulating plate 3, and fixed cover 17 is used for the both ends position of fixed wedge layer 16, is provided with wedge layer 16 in the regulating plate 3, and wedge layer 16 is used for blocking of the inside sound of regulating plate 3.

Further, be provided with limiting plate 8 on regulating plate 3, limiting plate 8 is used for protecting regulating plate 3's both ends position, is provided with support frame 10 on listening room 13, and support frame 10 is used for fixing limiting plate 8's position to carry on spacingly to regulating plate 3's position.

Furthermore, sound insulation board 11 is arranged on sound listening room 13, sound insulation board 11 is used for isolating sound of sound listening room 13 from the outer end, sound insulation cotton 12 is arranged on sound insulation board 11, and sound insulation cotton 12 is used for enhancing sound transmission between sound listening room 13 and the outside.

The working principle is as follows: when the device is used, the sound insulation cotton 12 outside the listening room 13 is used for connecting the position of the sound insulation board 11, thereby realizing the isolation of the inside of the listening room 13 from outside sound, the position of the transmission case 4 is fixed through the top end of the listening room 13, thereby the position of the fixed motor 6 is protected through the transmission case 4, thereby the belt 5 is driven to rotate through the rotation of the motor 6, the rotating shaft 15 is driven to rotate through the connection of the belt 5 and the rotating shaft 15, the connecting shaft 2 is driven to rotate through the rotating shaft 15, the position of the lifting rope 1 is connected through the pulleys 14 at the two ends of the connecting shaft 2, thereby the position of the adjusting plate 3 is fixed through the lifting rope 1, the positions at the two ends of the adjusting plate 3 are fixedly connected through the slide rails 9 on the listening room 13, the adjustment of the top end position of the adjusting plate 3 in the listening room 13 is realized, the adjustment of the space size inside the listening, the position of the wedge-shaped sound absorption layer 16 is fixed through the fixing sleeves 17 at the two ends of the adjusting plate 3, so that sound isolation between the adjusting plate 3 and the sound listening chamber 13 is realized.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A listening room with adjustable reverberation time, comprising a listening room (13), characterized in that: be provided with on listening room (13) slide rail (9), and slide rail (9) are located the both ends position on listening room (13), be provided with regulating plate (3) on listening room (13), be provided with transmission case (4) on listening room (13), be provided with motor (6) in transmission case (4), controller (7) are installed to the one end of motor (6), belt (5) are installed to the one end of motor (6), pivot (15) are installed to the one end of belt (5), be provided with connecting axle (2) on pivot (15), be provided with pulley (14) on connecting axle (2), be provided with lifting rope (1) on pulley (14), and lifting rope (1) are located the both ends position on regulating plate (3), fixed cover (17) are installed at the both ends of regulating plate (3), be provided with in regulating plate (3) and absorb sound wedge layer (16), the adjusting plate (3) is provided with a limiting plate (8), and the listening room (13) is provided with a support frame (10).

2. The listening room of claim 1, wherein: the sound insulation board (11) is arranged on the listening room (13), and the sound insulation cotton (12) is arranged on the sound insulation board (11).