Loudspeaker box powered by track

Abstract

The utility model provides a track-powered sound box, which realizes the wireless communication and broadcasting functions of the sound box by arranging the circuit board, the loudspeaker, the control module and the wireless module in the shell, realizes the connection between the shell and the track by arranging the connecting piece, and is electrically connected with the track by arranging the metal elastic sheet at the top of the connecting piece. And the metal elastic sheet is electrically connected with the circuit board by arranging the power taking piece, so that the sound box can take power from the track without additional wiring, the power taking is convenient and stable, and the practicability and convenience are improved.

Description

Technical Field

[0001] The utility model relates to the field of speakers, in particular to a speaker that takes power from a track. Background Technique

[0002] With the development of existing electronic technologies, in places such as supermarkets, trade fairs or restaurants, the speakers that need to be used often need to be hung high. In a supermarket, the positions of the displayed goods need to be adjusted regularly, and the scene equipment at a trade fair also needs to be assembled temporarily and disassembled after use. The common power supply method is to build a bracket and then supply power through wires. The speakers using this method can only be fixed at a certain place and cannot be easily moved. Another power supply method is to erect a conductive track, and fix the electrical equipment on the track through a track fixing device and enable it to slide on the track. For example, the patent applied by the applicant, such as a hanging connection structure with the publication number of CN218119142U, which includes a track connecting part and a price tag connecting part; a clamping part is arranged at the bottom of the track connecting part, and the clamping part includes two hooks, and the two hooks are used for clamping on the two inner walls of the track so that the track connecting part is installed on the track. A first connecting part is also arranged on the track connecting part, and the first connecting part is located on one side of the clamping block; a second connecting part and a third connecting part are arranged on the price tag connecting part, and the second connecting part is adapted to the first connecting part so that the price tag connecting part is hung on the track connecting part, and the third connecting part of the price tag connecting part is used for connecting with an electronic price tag. In the above technical solution, the hanging connection mechanism has the characteristics of simplicity, flexibility and convenience, improves the scope of application, and has a broad market prospect.

[0003] However, the existing speakers cannot be directly clamped with the track and take power, and there is a problem of incompatibility. Summary of the Utility Model

[0004] Therefore, it is necessary to provide a speaker that takes power from a track to solve the problem that the existing speakers cannot be directly clamped with the track and take power, and are incompatible.

[0005] To achieve the above object, the utility model provides a speaker that takes power from a track, which includes a housing, a circuit board and a speaker arranged in the housing. A control module and a wireless module that are electrically connected to each other are arranged on the circuit board. The speaker is electrically connected to the control module. A connecting part is arranged at the top of the housing. A clamping part for clamping with a card slot in the track is arranged on the side wall of the connecting part. A metal elastic sheet for electrically connecting with a conductive strip in the track is arranged at the top of the connecting part. The other end of the metal elastic sheet is electrically connected to the circuit board through a power taking part.

[0006] Furthermore, the connecting part is detachably connected to the housing.

[0007] Further, the power-taking component includes a conductive screw and a conductive nut. The conductive nut is disposed on the circuit board and connected to the control module. The nut of the conductive screw is electrically connected to the other end of the metal elastic sheet. The conductive screw sequentially passes through the connecting member and the housing and is threadedly connected and electrically connected to the conductive nut.

[0008] Further, there are two power-taking components.

[0009] Further, the bottom surface of the housing is open, and a structural plate is provided at the opening. The structural plate is detachably and fixedly connected to the housing.

[0010] Further, a mesh cover is provided at the bottom of the housing. The mesh cover is detachably and fixedly connected to the structural plate.

[0011] Further, a plurality of magnets are provided on the structural plate, and the mesh cover is a magnetic mesh cover.

[0012] Further, a through groove is provided on the structural plate. A retaining wall extends upward around the structural plate, and a plurality of structural bars are provided inside the retaining wall. The speaker can be clamped between the structural bars and the upper edge of the through groove, and the sound output part of the speaker faces the through groove.

[0013] Further, a positioning groove is further provided on the top surface of the housing. A first connection hole for the conductive screw to pass through is provided in the connecting member, and a second connection hole for the conductive screw to pass through is provided on the top surface of the housing. When the bottom of the connecting member is embedded in the positioning groove, the first connection hole and the second connection hole are communicated.

[0014] Further, an angle adjustment mechanism is further provided at the bottom of the connecting member. The connecting member is connected to the housing through the angle adjustment mechanism.

[0015] Different from the prior art, the above technical solution realizes the wireless communication and broadcasting functions of the speaker by arranging a circuit board, a speaker, a control module and a wireless module in the housing, realizes the connection between the housing and the track by arranging a connecting member, electrically connects the housing to the track by arranging a metal elastic sheet at the top of the connecting member, and realizes power taking of the speaker from the track by arranging a power-taking component to electrically connect the metal elastic sheet to the circuit board, without the need for additional wiring, which is convenient and stable for power taking, and improves the practicability and convenience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional view of the structure of the speaker connected to the track described in the specific embodiment;

[0017] Figure 2 It is a side view of the structure of the speaker connected to the track described in the specific embodiment;

[0018] Figure 3It is a three-dimensional exploded view of a partial structure of the speaker described in the specific implementation manner;

[0019] Figure 4 It is a sectional view of the structure where the speaker described in the specific implementation manner is connected to the track;

[0020] Figure 5 It is a three-dimensional view of the structure of the housing described in the specific implementation manner.

[0021] Explanation of reference numerals:

[0022] 10. Housing; 101. Positioning groove; 102. Second connection hole; 20. Circuit board; 21. Control module; 22. Wireless module; 30. Speaker; 40. Connecting piece; 401. Clamping portion; 402. First connection hole; 50. Track; 501. Conductive strip; 60. Metal elastic sheet; 70. Power-taking part; 701. Conductive screw; 702. Conductive nut; 80. Structural plate; 81. Mesh cover; 82. Magnet; 83. Through groove; 84. Angle adjustment mechanism. Specific implementation manner

[0023] In order to explain in detail the technical content, structural features, achieved purposes and effects of the technical solution, the following will be described in detail with specific embodiments in conjunction with the accompanying drawings.

[0024] Referring to "embodiment" in this text means that the specific features, structures or characteristics described in conjunction with the embodiment can be included in at least one embodiment of the present application. The term "embodiment" appearing at various positions in the specification does not necessarily refer to the same embodiment, nor does it particularly limit its independence or relevance to other embodiments. In principle, in the present application, as long as there is no technical contradiction or conflict, the technical features mentioned in each embodiment can be combined in any way to form corresponding implementable technical solutions.

[0025] Unless otherwise defined, the meanings of the technical terms used in this text are the same as those commonly understood by those skilled in the technical field to which the present application belongs; the use of the relevant terms in this text is only for describing specific embodiments, rather than aiming to limit the present application.

[0026] In the description of the present application, the phrase "and / or" is an expression used to describe the logical relationship between objects, indicating that three relationships can exist. For example, A and / or B means: there is A, there is B, and there is both A and B at the same time. In addition, the character " / " in this text generally represents an "or" logical relationship between the preceding and following related objects.

[0027] In this application, terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual quantitative, primary-secondary, or sequential relationship between these entities or operations.

[0028] Without further limitation, in this application, the expressions such as "including", "comprising", "having", or other similar expressions used in a statement are intended to cover non-exclusive inclusion. These expressions do not exclude the possibility that there may be additional elements in the process, method, or product that includes the said elements. Thus, a process, method, or product that includes a series of elements may not only include those defined elements, but also include other elements not explicitly listed, or elements inherent to such a process, method, or product.

[0029] Similar to the understanding in the Examination Guidelines, in this application, expressions such as "greater than", "less than", "exceeding", etc. are understood not to include the present number; expressions such as "above", "below", "within", etc. are understood to include the present number. In addition, in the description of the embodiments of this application, the meaning of "a plurality of" is two or more (including two). Similar expressions related to "many", such as "multiple groups", "multiple times", etc., are understood in the same way, unless otherwise specifically and clearly defined.

[0030] In the description of the embodiments of this application, the spatially related expressions used, such as "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "perpendicular", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the specific embodiment or the drawing. This is only for the convenience of describing the specific embodiments of this application or for the reader's understanding, and does not indicate or imply that the device or component referred to must have a specific position, a specific orientation, or be constructed or operated in a specific orientation. Therefore, it should not be construed as a limitation to the embodiments of this application.

[0031] Unless otherwise clearly specified or limited, in the description of the embodiments of this application, the terms such as "installed", "connected", "joined", "fixed", "set", etc. should be understood in a broad sense. For example, the said "connection" can be a fixed connection, a detachable connection, or an integral setting; it can be a mechanical connection, an electrical connection, or a communication connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art to which this application pertains, the specific meanings of the above terms in the embodiments of this application can be understood according to specific circumstances.

[0032] Please refer toFigures 1 to 5, this embodiment provides a speaker powered by a track 50, which includes a housing 10, a circuit board 20 and a speaker 30 disposed within the housing 10. The housing 10 is long and strip-shaped, and control buttons may also be provided thereon. The buttons can be set at the ends or the front and rear sides of the housing 10. Since the speaker in this embodiment is usually suspended at a high place and the actual function of the buttons is not significant, wireless communication control is usually required. Therefore, a control module 21 and a wireless module 22 that are electrically connected to each other are provided on the circuit board 20. The specific components of the control module include, but are not limited to, a CPU (such as Amlogic, Rockchip, etc.), a power amplifier chip (such as TI, NXP, etc.), and a power management chip (such as TI, APower, ADI, etc.). The wireless module includes a WiFi / BT chip (such as Broadcom, Qualcomm, Realtek, etc.) and a WiFi / BT module (such as muRata, AzureWave, Realtek, etc.). It should be noted that the names in the parentheses above are all manufacturer names, and the specific models can be the corresponding models of the specific electronic components supplied by each manufacturer for the speaker device, which will not be elaborated here. The speaker 30 is electrically connected to the control module. After receiving a signal through the wireless module, it is decoded, and the decoded analog signal is transmitted to the control module. The control module amplifies the received analog signal through the power amplifier chip to make it reach a driving strength suitable for output, and finally transmits the signal to the speaker 30 for playback. A connecting member 40 is provided at the top of the housing 10. Preferably, the connecting member 40 is detachably connected to the housing 10, which is convenient for production and assembly and saves costs. A clamping portion 401 for clamping with a card slot in the track 50 is provided on the side wall of the connecting member 40. The clamping portion 401 can be a protrusion adapted to the card slot of the track 50. The clamping portion 401 can be configured as a movable member, and is driven by a sliding member to extend or retract into the connecting member 40, which is convenient for clamping. A metal elastic sheet 60 for electrically connecting to a conductive bar 501 in the track 50 is provided at the top of the connecting member 40. The other end of the metal elastic sheet 60 is electrically connected to the circuit board 20 through a power taking member 70. The power taking member 70 can be an electrical connection port and an electrical connection terminal, such as a USB.Preferably, under the premise that data communication is not required, in order to save costs, the power taking component 70 includes a conductive screw 701 and a conductive nut 702, the conductive nut 702 is arranged on the circuit board 20 and connected to the control module, the conductive nut 702 is a welding nut, which is directly welded to the circuit board 20 and electrically connected to the power supply circuit of the circuit board 20, the nut of the conductive screw 701 is electrically connected to the other end of the metal shrapnel 60, the conductive screw 701 passes through the connecting piece 40 and the shell 10 in turn and is threadedly connected and electrically connected to the conductive nut 702, one end of the metal shrapnel 60 is electrically connected to the conductive strip in the track 50, and the electric energy can be transmitted to the control module through the conductive strip, the metal shrapnel 60, the conductive screw 701, and the conductive nut 702 in turn, and the electric energy is converted and distributed through the power management chip in the control module, so as to realize the power supply of the track 50 to the speaker, that is, the function of the speaker taking power from the track 50. Preferably, there are two power extraction components 70 , and the two power extraction components 70 can be arranged on both sides of the connecting component 40 , which can improve the connection stability between the connecting component 40 and the housing 10 .

[0033] The speaker described in this embodiment can be used in conjunction with the information display screen for playback. A display area formed by multiple information display screens with the same display content can be equipped with a few speakers. There is no need to configure a speaker 30 for each information display screen, which avoids the noisy broadcasting effect caused by multiple sound sources and saves the production cost of the information display screen.

[0034] The present invention realizes the wireless communication and broadcasting functions of the speaker by arranging a circuit board 20, a speaker 30, a control module and a wireless module in the shell 10, and connects the shell 10 to the track 50 by arranging a connecting piece 40, and electrically connects the metal spring 60 to the track 50 by arranging a metal spring 60 on the top of the connecting piece 40, and electrically connects the metal spring 60 to the circuit board 20 by arranging a power taking piece 70, so that the speaker can draw power from the track 50 without additional wiring, and the power taking is convenient and stable, thereby improving practicality and convenience.

[0035] In some embodiments, the bottom surface of the housing 10 is open, and a structural plate 80 is provided at the opening, and the structural plate 80 is detachably fixedly connected to the housing 10. The structural plate 80 can be connected to the housing 10 by fasteners, for example, a through hole is provided on the structural plate 80, an internal thread column is provided inside the housing 10, and a screw is passed through the through hole and threadedly connected to the thread column to fix the structural plate 80 inside the housing 10. The structural plate 80 can also be detachably fixedly connected to the housing 10 by a snap-on slot or a slider slot.

[0036] In some embodiments, a mesh cover 81 is provided at the bottom of the housing 10, and the mesh cover 81 is detachably and fixedly connected to the structural plate 80. The detachable connection manner between the mesh cover 81 and the structural plate 80 may refer to the connection manner between the structural plate 80 and the housing 10 described above, and will not be elaborated here. Preferably, a plurality of magnets 82 are provided on the structural plate 80, and the magnets 82 can be embedded in the structural plate 80 to save space. The mesh cover 81 is a magnetic mesh cover 81, that is, the mesh cover 81 is made of a magnetic material (a material that can be attracted by the magnet 82), such as iron. By reasonably setting the magnetic force intensity, stable fixation of the mesh cover 81 can be achieved, and it is convenient to disassemble.

[0037] In some embodiments, a through groove 83 is provided on the structural plate 80. A retaining wall extends upward around the structural plate 80, and a plurality of structural bars are provided inside the retaining wall. The speaker 30 can be clamped between the structural bars and the upper edge of the through groove 83, and the sound-emitting part of the speaker 30 faces the through groove 83. The shape and size of the through groove 83 are adapted to the shape and size of the sound-emitting position of the speaker 30. The speaker 30 is fixedly connected to the structural plate 80 and then fixed together inside the housing 10, which is convenient for assembly, improves production efficiency, and has a stable internal structure.

[0038] In some embodiments, a positioning groove 101 is further provided on the top surface of the housing 10. A first connection hole 402 for the conductive screw 701 to pass through is provided inside the connector 40, and a second connection hole 102 for the conductive screw 701 to pass through is provided on the top surface of the housing 10. When the bottom of the connector 40 is embedded in the positioning groove 101, the first connection hole 402 and the second connection hole 102 are communicated. By providing the positioning groove 101, assembly is facilitated and production efficiency is improved.

[0039] Further, an angle adjustment mechanism 84 is further provided at the bottom of the connecting member 40, and the connecting member 40 is connected to the housing 10 through the angle adjustment mechanism 84. The angle adjustment mechanism 84 can be a ratchet mechanism, such as a toothed ratchet mechanism, which can achieve stepwise adjustment by meshing transmission; or a friction ratchet mechanism, which achieves stepless adjustment by frictional transmission. An outer sleeve is provided inside the connecting member 40, and inner sleeves are provided at both ends of the top of the angle adjustment mechanism 84. Rollers under the action of a compression spring are installed in the groove between the inner and outer sleeves. The rollers are tightly clamped between the inner and outer sleeves under the action of the compression spring. When the outer sleeve rotates clockwise as indicated by the arrow, the rollers are clamped to make the inner sleeve rotate with the outer sleeve. When the outer sleeve rotates in the opposite direction, the rollers are released and the inner sleeve remains stationary, thereby realizing the angle adjustment of the connecting member 40. The structure of the angle adjustment mechanism 84 is not limited to the above embodiments. There are a large number of angle adjustment structures in the prior art, as long as the function of angle adjustment can be achieved. Through the angle adjustment mechanism 84, the housing 10 can adjust the angle within a certain range, that is, adjust the sound output direction of the speaker 30, improving the practicability.

[0040] It should be noted that although the above embodiments have been described in this article, the patent protection scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, any changes and modifications made to the embodiments described in this article, or equivalent structural or equivalent process transformations made by using the content of the specification and drawings of the present invention, and directly or indirectly applying the above technical solutions to other related technical fields, are all included in the patent protection scope of the present invention.

Claims

1. A speaker that takes power from an orbit, characterized in that: It includes a housing, a circuit board and a speaker disposed inside the housing. A control module and a wireless module that are electrically connected to each other are provided on the circuit board. The speaker is electrically connected to the control module. A connecting member is provided at the top of the housing. A clamping portion for clamping with a clamping groove in the track is provided on the side wall of the connecting member. A metal elastic sheet for electrically connecting with a conductive bar in the track is provided at the top of the connecting member. The other end of the metal elastic sheet is electrically connected to the circuit board through a power-taking member.

2. The sound box powered by taking electricity from the track according to claim 1, wherein: The connecting member is detachably connected to the housing.

3. The sound box powered by taking electricity from the track according to claim 2, characterized in that: The power-taking member includes a conductive screw and a conductive nut. The conductive nut is disposed on the circuit board and connected to the control module. The nut of the conductive screw is electrically connected to the other end of the metal elastic sheet. The conductive screw sequentially passes through the connecting member and the housing and is threadedly connected and electrically connected to the conductive nut.

4. The sound box powered by taking electricity from a track according to claim 3, characterized in that: There are two power-taking members.

5. A sound box powered by taking electricity from a track according to any one of claims 1-4, characterized in that: The bottom surface of the housing is open, and a structural plate is provided at the opening. The structural plate is detachably and fixedly connected to the housing.

6. The sound box powered by taking electricity from the track according to claim 5, characterized in that: A net cover is provided at the bottom of the housing. The net cover is detachably and fixedly connected to the structural plate.

7. The sound box powered by taking electricity from a track according to claim 6, characterized in that: A plurality of magnets are provided on the structural plate. The net cover is a magnetic net cover.

8. The sound box powered by taking electricity from a track according to claim 5, characterized in that: A through groove is provided on the structural plate. A retaining wall extends upward around the structural plate. A plurality of structural bars are provided inside the retaining wall. The speaker can be clamped between the structural bars and the upper edge of the through groove. The sound-emitting portion of the speaker faces the through groove.

9. The sound box powered by taking electricity from the track according to claim 3, characterized in that: A positioning groove is further provided on the top surface of the housing. A first connection hole for the conductive screw to pass through is provided inside the connecting member. A second connection hole for the conductive screw to pass through is provided on the top surface of the housing. When the bottom of the connecting member is embedded in the positioning groove, the first connection hole and the second connection hole are communicated.

10. The sound box powered by taking electricity from the track according to claim 1, wherein: An angle adjustment mechanism is further provided at the bottom of the connecting member. The connecting member is connected to the housing through the angle adjustment mechanism.

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