CN207692042U - A kind of novel meter structure - Google Patents

A kind of novel meter structure Download PDF

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Publication number
CN207692042U
CN207692042U CN201721881435.7U CN201721881435U CN207692042U CN 207692042 U CN207692042 U CN 207692042U CN 201721881435 U CN201721881435 U CN 201721881435U CN 207692042 U CN207692042 U CN 207692042U
Authority
CN
China
Prior art keywords
main pcb
pcb plate
junction block
loudspeaker
unit
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721881435.7U
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Chinese (zh)
Inventor
曹国庆
袁豪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CHONGQING DELCO ELECTRONIC INSTRUMENT Co Ltd
Original Assignee
CHONGQING DELCO ELECTRONIC INSTRUMENT Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CHONGQING DELCO ELECTRONIC INSTRUMENT Co Ltd filed Critical CHONGQING DELCO ELECTRONIC INSTRUMENT Co Ltd
Priority to CN201721881435.7U priority Critical patent/CN207692042U/en
Application granted granted Critical
Publication of CN207692042U publication Critical patent/CN207692042U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of novel meter structures, including main PCB plate and loudspeaker module, loudspeaker module includes printed board, at least one connection unit and the loudspeaker unit being arranged in printed board, at least one simulation connection seat, at least one digital junction block and at least two mounting holes for being opened in printed board periphery;Loudspeaker unit includes audio decoder processor, analog switch and loud speaker;Loudspeaker module and main PCB plate separate design, make the reduction of main PCB plate bulk and device layout is freer, and loudspeaker module can select arbitrary load position, the adjustment of main PCB plate very little that can be combined with loudspeaker module, can be applied to the product of appearance complexity.It is provided with simulation connection seat and digital junction block on loudspeaker module, various forms of voice signals of main PCB plate output can be met, there is versatility.

Description

A kind of novel meter structure
Technical field
The utility model is related to a kind of instrument structures, more particularly to a kind of novel meter structure.
Background technology
Loud speaker is a kind of very common electro-acoustic transducer device, it can be seen in the electronic circuit spoken.Due to Loud speaker generally comprises shell, therefore needs to occupy much room on pcb board, and drive the speaker sounding is AC analogue letter Number, to avoid other high-frequency signals interference on circuit board, therefore, when PCB layout, also needs to setting isolated area.Traditional will raise one's voice The technical solution on main PCB plate, which is arranged, in device can cause main PCB board size larger, and it is various to product appearance cannot to meet people Property, micromation and complexity requirement, and there are overlapping development, the problems such as extending manufacture cycle.
Utility model content
The utility model aims to solve at least the technical problems existing in the prior art, especially innovatively proposes a kind of new Type instrument structure.
In order to realize that the above-mentioned purpose of the utility model, the utility model provide a kind of novel meter structure, including master Pcb board and loudspeaker module, the loudspeaker module include printed board, at least one connection unit and are arranged in printed board Loudspeaker unit, at least one simulation connection seat, at least one digital junction block and it is opened at least the two of printed board periphery A mounting hole;
The loudspeaker unit includes audio decoder processor, analog switch and loud speaker, the audio decoder processor Input terminal is connect with digital junction block output end, and audio decoder processor output end is connect with the first normally open end of analog switch;Institute Simulation connection seat output end is stated to connect with the second normally open end of analog switch;The analog switch common end connects with loudspeaker input terminal It connects;
Described connection unit one end is connect with simulation connection seat or digital junction block, the other end and the simulation on main PCB plate Junction block or digital junction block connection.
By loud speaker and its peripheral circuit module, the module and main PCB plate separate design make main PCB plate bulk reduce And device layout is freer, loudspeaker module can select arbitrary load position, the adjustment of main PCB plate very little can with raise one's voice Device block combiner can be applied to the product of appearance complexity.Simulation connection seat and digital junction block, energy are provided on loudspeaker module Meet various forms of voice signals of main PCB plate output, great versatility.
Further include being arranged in simulation connection seat and/or digital wiring in a kind of preferred embodiment of the utility model The first antistatic unit and/or the second antistatic unit near seat;The first antistatic unit input terminal and/or second anti- Anti-electrostatic unit input terminal is connect with simulation connection seat input terminal and/or digital junction block input terminal, the output of the first antistatic unit End and/or the second antistatic unit output end are connected to ground.
Electrostatic protection avoids static damage inside modules device.
Further include the protective cover being covered on the loud speaker, institute in a kind of preferred embodiment of the utility model It states and offers multiple penetrable sound holes on protective cover.
Prevent dust deposit from influencing loud speaker sounding.
In a kind of preferred embodiment of the utility model, the printed board is two-ply.
Reduce cost.
In a kind of preferred embodiment of the utility model, the loudspeaker module and main PCB plate are separately positioned, described It is connected by connector between loudspeaker module and main PCB plate.
Convenient for assembling and reducing small product size.
In a kind of preferred embodiment of the utility model, the main PCB plate is eight laminates.
The size of main PCB plate, cabling anti-interference higher can be reduced.
Description of the drawings
Fig. 1 is the system frame of loudspeaker module in an a kind of specific implementation mode of novel meter structure of the utility model Figure;
Fig. 2 is the assembling schematic diagram in an a kind of specific implementation mode of novel meter structure of the utility model.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.
In the description of the present invention, it should be understood that term " longitudinal direction ", " transverse direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this The limitation of utility model.
In the description of the present invention, unless otherwise specified and limited, it should be noted that term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be mechanical connection or electrical connection, can also be the company inside two elements It is logical, it can be directly connected, can also indirectly connected through an intermediary, for the ordinary skill in the art, it can To understand the concrete meaning of above-mentioned term as the case may be.
Fig. 1 show the system block diagram of loudspeaker module in a kind of preferred embodiment of the utility model, and Fig. 2 show this A kind of assembling schematic diagram of preferred embodiment of utility model.In the present embodiment, novel meter structure include main PCB plate and Loudspeaker module, loudspeaker module include printed board, at least one connection unit and the loudspeaker unit being arranged in printed board, At least one simulation connection seat, at least one digital junction block and at least two mounting holes for being opened in printed board periphery;
Loudspeaker unit includes audio decoder processor, analog switch and loud speaker, audio decoder processor input terminal with Digital junction block output end connection, audio decoder processor output end are connect with the first normally open end of analog switch;Simulation connection seat Output end is connect with the second normally open end of analog switch;Analog switch common end is connect with loudspeaker input terminal;
Connection unit one end is connect with simulation connection seat or digital junction block, the other end and the simulation connection on main PCB plate Seat or digital junction block connection.
In the present embodiment, the number of plies of printed board is less than the number of plies for the main PCB plate being connect with module, can save in this way The size of cost, printed board is as small as possible under the premise of can lay the device in module.Connection unit can be flexible board, It can also be winding displacement such as FPC soft boards, can be band screen in loudspeaker module installation site and when positioning remote from of main PCB plate Cover twisted-pair feeder, the USB line etc. of layer.For ease of the main PCB suitable for analog voice signal output or audio digital signals output Plate is provided with digital junction block and simulation connection seat, and in order to be more convenient for assembling, digital junction block and simulation connection seat can be along printings The setting of plate periphery is multiple, and digital junction block can be USB junction blocks or serial ports junction block, and double cab can be selected in simulation connection seat. Connection unit can be to snap connection with digital junction block and/or simulation connection seat.
In the present embodiment, digital junction block input carried out by analog switch and simulation connection does cutting of inputting It changes, when analog switch reaches the first normally open end manually, selects digital signal input, digital signal single by connecting from main PCB Member is input to digital junction block, then is transmitted to audio decoder processor, and audio decoder processor exports audio frequency simulation drive signal To loudspeaker input terminal, drive the speaker pronunciation.Audio decoder processor can be selected TDA1541 audio decoders chip or WM8731 audio decoder chips.When analog switch reaches the second normally open end manually, select analog signal input, main PCB plate defeated Go out analog audio signal, by connection unit transmission through simulation connection seat to loudspeaker input terminal, drive the speaker pronunciation.Simulation The first normally open end, the second normally open end and the common end of switch are multiconductor, number of contacts and loudspeaker audio analog signal Number corresponds to.
In the present embodiment, for ease of being connected and fixed with product shell or main PCB, at least two mounting holes have been opened up, It is fixed on product shell by bolt assembly or is connect with main PCB plate.Preferably, mounting hole can be orthogonal bar shaped Hole.
Further include being arranged in simulation connection seat and/or digital wiring in a kind of preferred embodiment of the utility model The first antistatic unit and/or the second antistatic unit near seat;First antistatic unit input terminal and/or the second antistatic Unit input terminal and simulation connection seat input terminal and/or digital junction block input terminal connects, the first antistatic unit output end with/ Or second antistatic unit output end be connected to ground.
In the present embodiment, the first antistatic unit and/or the second antistatic unit include at least one parastat Part, the optional varistor of Anti-static device or TVS pipe, in close proximity to simulation connection seat and/or each pin of digital junction block Locate all and connects an Anti-static device.
Further include the protective cover of covering on a speaker, protective cover in a kind of preferred embodiment of the utility model On offer multiple penetrable sound holes.
In the present embodiment, protective cover material is plastics or aluminium alloy, by mechanical mounting hole or is bonded or welded solid It is scheduled in printed board.
In a kind of preferred embodiment of the utility model, printed board is two-ply.
In the present embodiment, two-ply is selected, cost can be reduced, open hole as far as possible in two-ply, be conducive to dissipate Heat.
In a kind of preferred embodiment of the utility model, printed board is two-ply.
In a kind of preferred embodiment of the utility model, loudspeaker module and main PCB plate are separately positioned, loud speaker mould It is connected by connector between block and main PCB plate.
In the present embodiment, connector is bus bar connector.
In a kind of preferred embodiment of the utility model, main PCB plate is eight laminates.
The size of main PCB plate, cabling anti-interference higher can be reduced.In the description of this specification, reference term " one The description of embodiment ", " some embodiments ", " example ", " specific example " or " some examples " etc. mean to combine the embodiment or Example particular features, structures, materials, or characteristics described are contained at least one embodiment or example of the utility model. In the present specification, schematic expression of the above terms may not refer to the same embodiment or example.Moreover, description Particular features, structures, materials, or characteristics can be tied in an appropriate manner in any one or more of the embodiments or examples It closes.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: Can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and objective, modification, replaced And modification, the scope of the utility model are limited by claim and its equivalent.

Claims (6)

1. a kind of novel meter structure, which is characterized in that including main PCB plate and loudspeaker module, the loudspeaker module includes Printed board, at least one connection unit and the loudspeaker unit being arranged in printed board, at least one simulation connection seat, at least one A number junction block and at least two mounting holes for being opened in printed board periphery;
The loudspeaker unit includes audio decoder processor, analog switch and loud speaker, the audio decoder processor input End is connect with digital junction block output end, and audio decoder processor output end is connect with the first normally open end of analog switch;The mould Quasi- junction block output end is connect with the second normally open end of analog switch;The analog switch common end is connect with loudspeaker input terminal;
Described connection unit one end is connect with simulation connection seat or digital junction block, the other end and the simulation connection on main PCB plate Seat or digital junction block connection.
2. a kind of novel meter structure as described in claim 1, which is characterized in that further include setting simulation connection seat and/ Or the first antistatic unit and/or the second antistatic unit near digital junction block;The first antistatic unit input terminal And/or second antistatic unit input terminal and simulation connection seat input terminal and/or digital junction block input terminal connect, first prevent it is quiet Electric unit output end and/or the second antistatic unit output end are connected to ground.
3. a kind of novel meter structure as described in claim 1, which is characterized in that further include being covered on the loud speaker Protective cover offers multiple penetrable sound holes on the protective cover.
4. a kind of novel meter structure as described in claim 1, which is characterized in that the printed board is two-ply.
5. a kind of novel meter structure as described in claim 1, which is characterized in that the loudspeaker module and main PCB plate point From setting, connected by connector between the loudspeaker module and main PCB plate.
6. a kind of novel meter structure as claimed in claim 5, which is characterized in that the main PCB plate is eight laminates.
CN201721881435.7U 2017-12-28 2017-12-28 A kind of novel meter structure Expired - Fee Related CN207692042U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721881435.7U CN207692042U (en) 2017-12-28 2017-12-28 A kind of novel meter structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721881435.7U CN207692042U (en) 2017-12-28 2017-12-28 A kind of novel meter structure

Publications (1)

Publication Number Publication Date
CN207692042U true CN207692042U (en) 2018-08-03

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721881435.7U Expired - Fee Related CN207692042U (en) 2017-12-28 2017-12-28 A kind of novel meter structure

Country Status (1)

Country Link
CN (1) CN207692042U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109282A (en) * 2019-06-18 2019-08-09 广州创维平面显示科技有限公司 A kind of backboard, display equipment and the assembly method for showing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110109282A (en) * 2019-06-18 2019-08-09 广州创维平面显示科技有限公司 A kind of backboard, display equipment and the assembly method for showing equipment

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180803

Termination date: 20181228