CN206713009U - A kind of high sound level acoustical generator - Google Patents
A kind of high sound level acoustical generator Download PDFInfo
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- CN206713009U CN206713009U CN201720590234.5U CN201720590234U CN206713009U CN 206713009 U CN206713009 U CN 206713009U CN 201720590234 U CN201720590234 U CN 201720590234U CN 206713009 U CN206713009 U CN 206713009U
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- loudspeaker
- shell
- pcb
- acoustical generator
- sound level
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Abstract
The utility model discloses a kind of high sound level acoustical generator, the shell that is penetrated including rear and front end, the loudspeaker being arranged in shell and PCB, loudspeaker and PCB are electrical connected, loudspeaker is installed in enclosure and enclosure is divided into front cavity and rear chamber, the mixed layer being made up of epoxy resin and light material mix particles is provided with rear chamber, loudspeaker rear end, PCB are covered by mixed layer.Its technical scheme can reduce packed density using the mixture of epoxy resin and light material particle, effectively improve volume, and play the effect of waterproof.
Description
Technical field
It the utility model is related to the outdoor acoustical generator equipment technical field used, and in particular to a kind of high sound level acoustical generator.
Background technology
Acoustical generator is widely used in life and industry, is applied especially on engineering truck, and the acoustical generator one of prior art
As include housing, wiring board and loudspeaker, wiring board, loudspeaker are each provided in housing, and wiring board electrically connects with loudspeaker.
Refering to the Chinese patent " waterproof acoustical generator " that Patent No. is CN204652637U, a kind of waterproof sounding is disclosed
Device, including housing (1), wiring board (2) and loudspeaker (3), described wiring board (2), loudspeaker (3) are each provided at housing (1)
Interior, described wiring board (2) electrically connects with loudspeaker (3)；Sealed between described loudspeaker (3) and housing (1)；Described shell
The epoxy resin block (5) to seal is provided with body (1)；The rear end of the loudspeaker (3), wiring board (2) are covered by
In epoxy resin block (5), it can prevent rainwater or muddy water from corroding.
Above-mentioned patent solves the problems, such as rain erosion and waterproof, but in housing after filling epoxy resin, due to pure
Filling epoxide-resin glue density it is larger, the phonation volume of internal loudspeaker can be influenceed.
Utility model content
For the above-mentioned problems in the prior art, one kind is now provided and is intended to after can filling epoxy resin in shell
The high sound level acoustical generator of loudspeaker phonation volume is not interfered with, to overcome above-mentioned technological deficiency.
Concrete technical scheme is as follows：
A kind of high sound level acoustical generator, including shell, the loudspeaker and PCB circuits that are arranged in shell that rear and front end penetrates
Plate, and loudspeaker and PCB are electrical connected, loudspeaker be installed in enclosure and by enclosure be divided into front cavity and
Rear chamber, rear chamber is interior to be provided with the mixed layer to seal, and mixed layer is by epoxy resin and light material mix particles structure
Into the rear end of loudspeaker, PCB are covered by mixed layer.
Preferably, in being also equipped with a sound chamber lid in front cavity, and the rear side cover of sound chamber lid is together in the front end of loudspeaker.
Preferably, the periphery ring-type of sound chamber lid is uniformly provided with several to wear the screw hole column of screw, and sound chamber
Lid is installed in front cavity by screw.
Preferably, loudspeaker is horizontally installed in shell, and the internal perisporium for the shell that is connected by marine glue.
Preferably, the formation of the inside annular projection of the internal perisporium of shell has the annular to match with loudspeaker peripheral shape to install
Frame.
Preferably, PCB is integrally L-shaped, the rear end of PCB and loudspeaker passes through a bolt stationary phase
Even, and between PCB and loudspeaker one is provided with to be made up of plastic material and be sheathed on bolt in the pillar of central column, pillar
Outside.
Preferably, being additionally provided with a binding post being mutually electrically connected with PCB on shell, binding post includes a screw, rubber
Rubber gasket and two nuts, screw pass through the conducting strip being connected with PCB, rubber washer, opened up in case peripheral wall
Circular hole is connected with two nut threads.
Preferably, light material particle is plastic pellet.
Preferably, the quantity of screw hole column is four, and the uniformly the week side of boss for being arranged in sound chamber lid of ring-type.
The beneficial effect of above-mentioned technical proposal is：
High sound level acoustical generator includes the rear and front end shell penetrated, the loudspeaker that is arranged in shell and PCB, raises
Sound device and PCB are electrical connected, and loudspeaker is installed in enclosure and enclosure is divided into front cavity and rear chamber,
Mixed layer filled with epoxy resin and light material particle in rear chamber, the rear end of loudspeaker, PCB are covered by
In mixed layer.Packed density can be reduced using the mixed layer of epoxy resin and light material particle, volume is effectively improved, compare
Volume loss can be reduced in traditional acoustical generator and sends bigger sound so that sound level is bigger, and can effectively play anti-
The effect of water.
Brief description of the drawings
Fig. 1 is the Split type structure schematic diagram of the utility model high sound level acoustical generator；
Fig. 2 is the side cross-sectional view of the utility model high sound level acoustical generator；
Fig. 3 is the positive structure schematic of the utility model high sound level acoustical generator；
Fig. 4 is the structure schematic diagram of the utility model high sound level acoustical generator.
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the utility model is realized are easy to understand, with
Lower 1 to 4 pair of embodiment combination accompanying drawing high sound level acoustical generator provided by the utility model is specifically addressed.
Refering to Fig. 1, for the Split type structure schematic diagram of high sound level acoustical generator；With reference to Fig. 2, for the side section of high sound level acoustical generator
Structural representation；And Fig. 3, for the positive structure schematic of high sound level acoustical generator；And Fig. 4, for the back of the body of high sound level acoustical generator
Face structural representation.It is product side surface direction to define structure as shown in Figure 2, and in Fig. 2 paper direction from right to left
Direction for the utility model by front end rear end.
Shown in as shown in Figure 1 to Figure 4, high sound level acoustical generator provided by the utility model include rear and front end penetrate shell 1,
The loudspeaker 2 and PCB 3 being arranged in shell 1, and loudspeaker 2 and PCB 3 are electrical connected, wherein, loudspeaker 2
It is installed in the inside of shell 1 and front cavity 11 and rear chamber 12 will be divided into inside shell 1, is provided with and seals in rear chamber 12
Mixed layer 5, and mixed layer 5 by epoxy resin 52 and light material particle 51 mixing form, the rear end of loudspeaker 2, PCB circuits
Plate 3 is covered by mixed layer 5.
In this programme, it is contemplated that the sound that can be influenceed loudspeaker 2 and send is filled using pure epoxy resin 52, and uses ring
The mixed layer 5 of oxygen tree fat 52 and light material particle 51 can reduce packed density, effectively improve volume.And above-mentioned front cavity
Sealed against each other between 11 and rear chamber 12.
In a preferred embodiment, specifically as shown in Figures 1 and 2, in being also equipped with one in front cavity 11
Sound chamber lid 4, and the rear side cover of sound chamber lid 4 is together in the front end of loudspeaker 2.Further, the periphery ring-type of sound chamber lid 4 is uniformly set
Several are equipped with to wear the screw hole column 41 of screw, and sound chamber lid 4 is installed in front cavity 11 by screw.Further,
The inside of shell 1 is provided with the screw being oppositely arranged with screw hole column 41, and screw injecting glue after screwing in screw hole column 41 and screw seals,
It can effectively prevent that side is flowed out forward from the gap of screw when rear chamber 12 from filling mixed layer 5, and front side waterproof can be played
Effect.And specifically, screw hole column 41 quantity be four, and uniformly ring-type the week side of boss for being arranged in sound chamber lid 4.
As further preferred embodiment, loudspeaker 2 is horizontally installed in shell 1, and connected outer by marine glue 6
The internal perisporium of shell 1.Further, the formation of the inside annular projection of the internal perisporium of shell 1 has what is matched with the peripheral shape of loudspeaker 2
Annular mounting frame 13.Specifically, the rear end of loudspeaker 2 stretches to perisporium and the phase of annular mounting frame 13 by the front opening of shell 1
Support, then annular configuration marine glue 6 is fixed.Fixed and the effect of waterproof so as to play position.
In a preferred embodiment, specifically as shown in Figure 1, Figure 2 and shown in Fig. 4, it is in " L " that PCB 3 is overall
Type, PCB 3 and the rear end of loudspeaker 2 are fixedly linked by a bolt 31, and are provided between PCB 3 and loudspeaker 2
One is made up of plastic material and is sheathed in the pillar 32 of central column, pillar 32 outside bolt 31, to by PCB 3
Kept apart between main part and loudspeaker 2 with non-conductive material, effectively improve the tone color of the sounding of loudspeaker 2, avoid disturbing.
As further preferred embodiment, a binding post being electrically connected with the phase of PCB 3 is additionally provided with shell 1
7, binding post 7 includes a screw 71, rubber washer 72 and two nuts 73, and screw 71 is passed through and led with what PCB 3 was connected
Electric piece 33, rubber washer 72, the circular hole 14 that opens up on the perisporium of shell 1 are threadedly coupled with two nuts 73.In addition, the present embodiment
In, high sound level acoustical generator also includes a support 74, and support 74 is affixed to merge with the outside of shell 1 and is electrically connected with the phase of screw 71.
In addition, as shown in Fig. 3, Fig. 4 and Fig. 1, the electric connection line of PCB 3, i.e., red-black electrical connection is by opening up
Passed in another through hole 15 on the perisporium of shell 1, realize the function that cabling is electrically connected with externally fed equipment, and it is close at through hole 15
Envelope processing, it is conventional means mode, therefore is not repeated here.In addition, above-mentioned light material particle 51 is plastic pellet, but
Can also be particle made of other universal light materials, such as plastic cement, it is possibly even to use rubber-like material system
Into particle substitute, therefore be not limited to this.It is worthy of note that it is the inner structure of rear chamber 12 of clear display housing 1, in Fig. 4
Omission shows mixed layer 5, but the reasons why should not corresponded to content as it.It is worthy of note that the meaning of above-mentioned high sound level
Think of refer to relative to existing product sound damage it is smaller, bigger sound can be obtained, sound level is typically more than 60 decibels.
Hereinafter, illustrated with a kind of specific embodiment, it should be pointed out that described in implementation below it
Structure, technique, selection are only to illustrate the feasibility of embodiment, and the intention of unrestricted scope of protection of the utility model.
For the utility model during the manufacturing, the process and step of manufacture method are mainly as follows：
Step a, loudspeaker 2 is fitted into the inside of shell 1 and marine glue 6 is applied at cooperation and is fixed；Rigging position then by
Above-mentioned is positioned by the annular mounting frame 13 in shell 1；
Step b, PCB 3 and pillar 32 are attached to the rear end of loudspeaker 2 by bolt 31, sound chamber lid 4 is loaded
Fixed in the front cavity 11 of shell 1 and with screw；
Step c, the injecting glue sealing after screw is screwed in of screw hole column 41 to the periphery of sound chamber lid 4；
Step d, shell 1 is overturn to rear end placed longitudinally position upward, into rear chamber 12, injected plastic particle is extremely
The position being flush with the main part of PCB 3；
Step e, the position that infusion epoxy resin glue is flush to the edge with the rear end of shell 1 into rear chamber 12.
The production process of this product is completed after finally standing certain time, and time of repose is with atmospheric temperature or interior
The change of temperature and it is different, can also insert in various drying equipments machine dries, and it is conventional means, therefore is not repeated here.
In addition, eliminating the cabling mode of electrical connection and the installation steps of binding post 7 in step, it is carried out after the stepb, is normal
Common mounting means is advised, and also omit the mounting means of pillar 32 in step b, those skilled in that art are from above-mentioned production
It can draw, therefore repeat no more in the description of product structure.
Volume loss can be reduced compared to traditional acoustical generator by the acoustical generator that above-mentioned steps obtain and is sent bigger
Sound so that sound level is bigger, and can effectively play the effect of waterproof.
Preferred embodiment of the present utility model is the foregoing is only, is merely illustrative for the utility model, and
It is nonrestrictive.Those skilled in the art understanding, can be to it in the spirit and scope that the utility model claims are limited
Many changes are carried out, are changed, in addition it is equivalent, but fall within the scope of protection of the utility model.
Claims (9)
1. a kind of high sound level acoustical generator, including shell (1) that rear and front end penetrates, the loudspeaker that is arranged in the shell (1)
(2) and PCB (3), and the loudspeaker (2) and the PCB (3) are electrical connected, it is characterised in that
The loudspeaker (2) be installed in the shell (1) it is internal and will be divided into inside the shell (1) front cavity (11) and after
Cavity (12), the rear chamber (12) is interior to be provided with the mixed layer (5) to seal, and the mixed layer (5) is by epoxy resin
(52) formed with light material particle (51) mixing, the rear end of the loudspeaker (2), PCB (3) are covered by described
In mixed layer (5).
2. high sound level acoustical generator as claimed in claim 1, it is characterised in that be also equipped with one in the front cavity (11)
Sound chamber lid (4), and the rear side cover of the sound chamber lid (4) is together in the front end of the loudspeaker (2).
3. high sound level acoustical generator as claimed in claim 2, it is characterised in that the periphery ring-type of the sound chamber lid (4) is uniform
Several are provided with to wear the screw hole column of screw (41), and the sound chamber lid (4) by the screw be installed in it is described before
In cavity (11).
4. high sound level acoustical generator as claimed in claim 1 or 2, it is characterised in that the loudspeaker (2) is horizontally installed to described
In shell (1), and pass through the internal perisporium of the connected shell (1) of marine glue (6).
5. high sound level acoustical generator as claimed in claim 4, it is characterised in that the internal perisporium of the shell (1) is convex to inner annular
The formation risen has the annular mounting frame (13) to match with the loudspeaker (2) peripheral shape.
6. the high sound level acoustical generator as described in claim 1 or 3, it is characterised in that it is in " L " that the PCB (3) is overall
Type, the PCB (3) and the rear end of loudspeaker (2) are fixedly linked by a bolt (31), and the PCB (3)
One is provided between the loudspeaker (2) to be made up of plastic material and be arranged in the pillar (32) of central column, the pillar (32)
In the bolt (31) outside.
7. high sound level acoustical generator as claimed in claim 6, it is characterised in that be additionally provided with the shell (1) one with it is described
The binding post (7) that PCB (3) is mutually electrically connected, the binding post (7) include a screw (71), rubber washer (72) and two
Individual nut (73), the screw (71) pass through conducting strip (33), the rubber washer being connected with the PCB (3)
(72), the circular hole (14) opened up on shell (1) perisporium is threadedly coupled with two nuts (73).
8. high sound level acoustical generator as claimed in claim 6, it is characterised in that the light material particle (51) is plastic pellet
Son.
9. high sound level acoustical generator as claimed in claim 3, it is characterised in that the quantity of the screw hole column (41) is four, and
The week side of boss for being arranged in the sound chamber lid (4) of uniform ring-type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720590234.5U CN206713009U (en) | 2017-05-25 | 2017-05-25 | A kind of high sound level acoustical generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720590234.5U CN206713009U (en) | 2017-05-25 | 2017-05-25 | A kind of high sound level acoustical generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206713009U true CN206713009U (en) | 2017-12-05 |
Family
ID=60462511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720590234.5U Active CN206713009U (en) | 2017-05-25 | 2017-05-25 | A kind of high sound level acoustical generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206713009U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147961A (en) * | 2017-05-25 | 2017-09-08 | 宁波东方电子有限公司 | A kind of high sound level acoustical generator and its manufacture method |
-
2017
- 2017-05-25 CN CN201720590234.5U patent/CN206713009U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147961A (en) * | 2017-05-25 | 2017-09-08 | 宁波东方电子有限公司 | A kind of high sound level acoustical generator and its manufacture method |
| CN107147961B (en) * | 2017-05-25 | 2024-08-23 | 宁波东方电子有限公司 | High sound level sounder and manufacturing method thereof |
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