Low-temperature-resistant dual-track box loudspeaker

Abstract

The utility model discloses a low-temperature-resistant dual-track box loudspeaker, which relates to the technical field of box loudspeakers and comprises a shell, two sides of the inner side of the shell are respectively and fixedly connected with a loudspeaker cover I and a loudspeaker cover II, the bottom of the shell is fixedly connected with a bottom frame, the bottom of the bottom frame is fixedly connected with a wiring pipe, and the wiring pipe is fixedly connected with a loudspeaker. The first loudspeaker cover and the second loudspeaker cover are arranged on the inner side of the shell, the inner side of the shell is fixedly connected with bottom basins located at the bottom of the first loudspeaker cover and the bottom of the second loudspeaker cover, and the inner sides of the bottom basins are fixedly connected with paper basins, the bottom basins are arranged at the bottoms of the first loudspeaker cover and the second loudspeaker cover which are arranged on the inner side of the shell, and the heat dissipation frames are arranged at the tops of the paper basins on the inner sides of the bottom basins. When the temperature of the using environment of the device is low, the temperature of the inner wall of the assembly can be increased by starting the heat dissipation frame on the inner side of the paper cone through the temperature controller, so that a good protection effect is achieved, the low-temperature-resistant effect of the device is improved, and the using effect of the device is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of box loudspeakers, in particular to a low-temperature resistant dual-channel box loudspeaker. Background Art

[0002] The dual-channel box speaker and the side-outlet sound structure perfectly adapt to the ID structure requirements of the finished product, meet the IP67 full waterproof and dustproof, 360-degree stereo omnidirectional, and are suitable for offline 5G voice electronic products such as mid-to-high-end security monitoring.

[0003] After searching, a low-temperature resistant speaker rubber-edge sound basin with application number CN202220012196.6 includes an adjustment structure, the top of the adjustment structure is fixedly connected to a protective shell, the inside of the protective shell is fixedly connected to a basin frame, the top of the basin frame is fixedly connected to a rubber edge ring, the inside of the rubber edge ring is movably connected to a screw, and the outside of the screw is movably connected to a sound basin body; the adjustment structure includes a first rotating rod, a first rotating disk, a first hinged rod, a second hinged rod, a second rotating disk, a second rotating rod, a base and a universal shaft, the bottom of the protective shell is fixedly connected to the first rotating rod, the outside of the first rotating rod is rotatably connected to the first rotating disk, the inside of the first rotating disk is hinged to the first hinged rod, and the bottom of the first hinged rod is hinged to the second hinged rod. The low-temperature resistant speaker rubber-edge sound basin, through the provided adjustment structure, the adjustment structure facilitates the adjustment of the direction of the sound basin, thereby changing the pronunciation direction of the sound basin, through the provided basin frame, the basin frame plays a role in fixing the sound basin body, and through the provided rubber edge ring, the rubber edge ring slows down the sound basin body transmitted to the basin frame. Vibration, prevent the screws from loosening, through the set screws, the screws connect the sound basin body and the basin frame with the rubber edge ring to maintain the structural stability of the sound basin, through the set sound basin body, the sound basin body plays a role of vibrating and sounding, through the set first rotating rod, the first rotating rod is rotatably connected to the universal shaft, so as to facilitate the rotation of the protective shell, through the set first turntable, the first turntable and the second turntable are rotated to the position corresponding to the rotation direction of the protective shell to maintain the stability of the protective shell, through the set first hinged rod and the second hinged rod, the first hinged rod and the second hinged rod correspond to the rotation position of the first turntable and the second turntable to maintain the stability of the protective shell, through the set voice coil, the voice coil plays a role of driving the vibration of the sound basin body, due to the influence of the external temperature, the paper basin and the rubber edge of the existing box speaker will have a small range of thermal expansion and contraction, and when the small range of thermal expansion and contraction is carried out for a long time, the fixing effect of the paper basin and the basin frame will be reduced or the paper basin and the basin frame will be debonded, thereby reducing the use effect of the paper basin and the basin frame in the speaker, and causing the speaker to be unable to be used normally. Utility Model Content

[0004] The utility model aims to provide a low temperature resistant dual-channel box loudspeaker to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-temperature resistant dual-channel box speaker, comprising an outer shell, wherein two sides of the inner side of the outer shell are respectively fixedly connected with a speaker cover one and a speaker cover two, the bottom of the outer shell is fixedly connected with a base frame, the bottom of the base frame is fixedly connected with a wiring tube, the inner side of the outer shell is fixedly connected with a bottom basin located at the bottom of the speaker cover one and the speaker cover two, and the inner side of the bottom basin is fixedly connected with a paper basin.

[0006] As a preferred technical solution of the utility model, sound outlet grooves are provided on both sides of the top of the shell, and the two sound outlet grooves are symmetrically distributed.

[0007] As a preferred technical solution of the utility model, a top groove is provided in the middle of the top of the shell, and a mounting hole is provided inside the top groove.

[0008] As a preferred technical solution of the utility model, a wire outlet hole is opened on the top of the shell, and the wire outlet hole is connected with the wiring tube.

[0009] As a preferred technical solution of the utility model, a heat sink is fixedly connected to the inner side of the paper tray, and the number of the heat sinks is two; the bottom of the speaker cover 1 and the speaker cover 2 provided on the inner side of the outer shell are both provided with a bottom basin, and the top of the paper basin inside the bottom basin is provided with a heat sink; when the operating environment temperature of the device is low, the heat sink inside the paper basin can be activated by a thermostat to increase the temperature of the inner wall of the component, so as to achieve better protection effect, improve the low temperature resistance of the device, and also improve the use effect of the device.

[0010] As a preferred technical solution of the utility model, the inner side of the middle part of the paper basin is fixedly connected with a dust cover located on the top of the heat sink; the inner side of the paper basin is provided with a dust cover located in the middle of the heat sink, which cooperates with the speaker cover 1 and the speaker cover 2 on the top of the bottom basin to improve the dustproof effect of the box speaker.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model provides a bottom basin at the bottom of the speaker cover 1 and the speaker cover 2 provided on the inner side of the shell, and a heat sink is provided on the top of the paper basin inside the bottom basin. When the temperature of the operating environment of the device is low, the heat sink inside the paper basin can be activated by the thermostat to increase the temperature of the inner wall of the component, so as to achieve a better protection effect, improve the low temperature resistance of the device, and also improve the use effect of the device.

[0013] 2. The utility model provides a dust cover on the inner side of the paper basin in the middle of the heat dissipation frame, which cooperates with the speaker cover 1 and the speaker cover 2 on the top of the bottom basin to improve the dustproof effect of the box speaker. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is the structural front view of the utility model;

[0015] Figure 2 This is a bottom view of the structure of the utility model;

[0016] Figure 3 It is a right side view of the structure of the utility model;

[0017] Figure 4 It is a structural cutaway diagram of the utility model.

[0018] In the figure: 1. Outer shell; 2. Speaker cover 1; 3. Base frame; 4. Speaker cover 2; 5. Top slot; 6. Mounting hole; 7. Sound outlet slot; 8. Wiring tube; 9. Dust cover; 10. Heat sink; 11. Paper basin; 12. Bottom basin; 13. Wire outlet hole. DETAILED DESCRIPTION

[0019] 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.

[0020] See also Figure 1-4 The utility model provides a low-temperature resistant dual-channel box speaker, including a shell 1, two sides of the inner side of the shell 1 are respectively fixedly connected with a speaker cover 1 2 and a speaker cover 2 4, the bottom of the shell 1 is fixedly connected with a base frame 3, the bottom of the base frame 3 is fixedly connected with a wiring tube 8, the inner side of the shell 1 is fixedly connected with a bottom basin 12 located at the bottom of the speaker cover 1 2 and the speaker cover 2 4, and the inner side of the bottom basin 12 is fixedly connected with a paper basin 11.

[0021] To sum up, the bottom of the speaker cover 1 2 and the speaker cover 2 4 provided on the inner side of the shell 1 are both provided with a bottom basin 12, and the top of the paper cone 11 inside the bottom basin 12 is provided with a heat sink 10. When the operating environment temperature of the device is low, the heat sink 10 inside the paper cone 11 can be started by the thermostat to increase the temperature of the inner wall of the component, so as to achieve better protection effect, improve the low temperature resistance of the device, and also improve the use effect of the device. A dust cover 9 is provided on the inner side of the paper cone 11 in the middle of the heat sink 10, which cooperates with the speaker cover 1 2 and the speaker cover 2 4 on the top of the bottom basin 12 to improve the dustproof effect of the box speaker, and solves the problem that the paper cone 11 and the rubber edge of the existing box speaker will have a small range of thermal expansion and contraction due to the influence of the external temperature. When the small range of thermal expansion and contraction occurs for a long time, the fixing effect of the paper cone 11 and the basin frame will be reduced or the paper cone 11 and the basin frame will be debonded, thereby reducing the use effect of the paper cone 11 and the basin frame in the speaker, and causing the speaker to be unable to be used normally.

[0022] Sound outlet grooves 7 are provided on both sides of the top of the shell 1, and the two sound outlet grooves 7 are symmetrically distributed. A top groove 5 is provided in the middle of the top of the shell 1, and a mounting hole 6 is provided on the inner side of the top groove 5. A wire outlet hole 13 is provided on the top of the shell 1, and the wire outlet hole 13 is connected with the wiring tube 8.

[0023] A heat sink 10 is fixedly connected to the inner side of the paper tray, and there are two heat sinks 10; the bottom of the speaker cover 1 2 and the speaker cover 2 4 provided on the inner side of the outer shell 1 are both provided with a bottom basin 12, and the top of the paper basin 11 inside the bottom basin 12 is provided with a heat sink 10. When the operating environment temperature of the device is low, the heat sink 10 inside the paper basin 11 can be started by the thermostat to increase the temperature of the inner wall of the component to achieve better protection effect, improve the low temperature resistance of the device, and also improve the use effect of the device. A dust cover 9 located on the top of the heat sink 10 is fixedly connected to the inner side of the middle part of the paper basin 11; a dust cover 9 is provided on the inner side of the paper basin 11 in the middle of the heat sink 10, which can improve the dustproof effect of the box speaker by cooperating with the speaker cover 1 2 and the speaker cover 2 4 on the top of the bottom basin 12.

[0024] During specific use, firstly, the bottom of the speaker cover 1 2 and the speaker cover 2 4 provided on the inner side of the shell 1 are both provided with a bottom basin 12, and the top of the paper cone 11 inside the bottom basin 12 is provided with a heat sink 10. When the operating environment temperature of the device is low, the heat sink 10 inside the paper cone 11 can be started by the thermostat to increase the temperature of the inner wall of the component, so as to achieve better protection effect, improve the low temperature resistance of the device, and also improve the use effect of the device. A dust cover 9 is provided on the inner side of the paper cone 11 in the middle of the heat sink 10, which cooperates with the speaker cover 1 2 and the speaker cover 2 4 on the top of the bottom basin 12 to improve the dustproof effect of the box speaker.

[0025] In the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicating orientations or positional relationships are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

Claims

1. A low temperature resistant two-channel box speaker, comprising a housing (1), characterized in that: The inner sides of the shell (1) are respectively fixedly connected to a speaker cover 1 (2) and a speaker cover 2 (4); the bottom of the shell (1) is fixedly connected to a base frame (3); the bottom of the base frame (3) is fixedly connected to a wiring tube (8); the inner side of the shell (1) is fixedly connected to a bottom basin (12) located at the bottom of the speaker cover 1 (2) and the speaker cover 2 (4); the inner side of the bottom basin (12) is fixedly connected to a paper basin (11).

2. A low temperature resistant two-channel box speaker according to claim 1, characterized in that: Both sides of the top of the housing (1) are provided with sound outlet grooves (7), and the two sound outlet grooves (7) are symmetrically distributed.

3. The low temperature resistant two-channel box speaker according to claim 1, characterized in that: A top groove (5) is provided in the middle of the top of the housing (1), and a mounting hole (6) is provided inside the top groove (5).

4. The low temperature resistant two-channel box speaker according to claim 1, characterized in that: A wire outlet hole (13) is provided on the top of the housing (1), and the wire outlet hole (13) is connected to the wiring tube (8).

5. The low temperature resistant two-channel box speaker according to claim 1, characterized in that: A heat dissipation frame (10) is fixedly connected to the inner side of the paper basin (11), and the number of the heat dissipation frames (10) is two.

6. The low temperature resistant two-channel box speaker according to claim 1, characterized in that: A dust cover (9) located on the top of the heat dissipation frame (10) is fixedly connected to the inner side of the middle portion of the paper basin (11).

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