CN204761645U - Moving -coil wide band mouthpiece - Google Patents
Moving -coil wide band mouthpiece Download PDFInfo
- Publication number
- CN204761645U CN204761645U CN201520405646.8U CN201520405646U CN204761645U CN 204761645 U CN204761645 U CN 204761645U CN 201520405646 U CN201520405646 U CN 201520405646U CN 204761645 U CN204761645 U CN 204761645U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- protecgulum
- magnetic bowl
- weld tabs
- loudspeaker voice
- 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
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a moving -coil wide band mouthpiece in the communication equipment technical field, including by the back lid shell that the equipment formed with the protecgulum, install action part in the shell, installing the wiring mechanism on the shell, be equipped with hole on the protecgulum, the action part includes the magnetism bowl, the opening part installation basin frame of magnetism bowl, and the central zone of basin frame is a drum portion, and drum portion suit is on the opening part inner wall of magnetism bowl, and basin frame bonding is on the inner wall of protecgulum, install the cushion in the magnetism bowl, the magnet steel is equipped with in the subsides of cushion lower extreme, and pole piece made of iron is equipped with in the subsides of magnet steel lower extreme, and magnet steel, pole piece all are in the interior zone of drum portion, leave the free gap in pole piece and the drum portion between week, the basin frame bonds and has the vibrating diaphragm, and the vibrating diaphragm upper surface bonds there is the voice coil loudspeaker voice coil, and during the voice coil loudspeaker voice coil was in the free gap, the voice coil loudspeaker voice coil passed through the electric wire and links to each other with the mechanism of working a telephone switchboard, be fixed with balancing weight made of iron on the lid inner wall of back, the balancing weight is directly over the magnetism bowl. Make its ability simple structure exquisite, can prevent holistic focus erroneous tendency protecgulum.
Description
Technical field
The utility model relates to Communication Equipment technical field, particularly a kind of wideband transmitter.
Background technology
At present, a kind of wideband transmitter of a large amount of use on market, this transmitter only uses under the environment of drying, and volume is usually larger, its structure comprises the shell assembled by bonnet and protecgulum, the working portion be installed in shell, the wiring mechanism be arranged on shell, and protecgulum is provided with acoustic aperture.But at present, working portion is mainly installed concentratedly on protecgulum, causes the center of gravity deflection protecgulum of this wideband transmitter, when this wideband transmitter need to coordinate with other devices install time, it is downward-sloping that the protecgulum of wideband transmitter can be affected by gravity place, careless slightlyly will produce off normal phenomenon; And also there is the too complicated shortcoming of vibrational power flow in this wideband transmitter, causes cost higher.
Utility model content
The purpose of this utility model is to provide a kind of moving-coil type wideband transmitter, can structure simply exquisite, overall center of gravity deflection protecgulum can be prevented.
The purpose of this utility model is achieved in that a kind of moving-coil type wideband transmitter, comprise the shell assembled by bonnet and protecgulum, be installed on the working portion in shell, be arranged on the wiring mechanism on shell, described protecgulum is provided with acoustic aperture, described working portion comprises bowl structure, magnetic bowl made of iron, described magnetic bowl is in protecgulum cavity region, and the opening of described magnetic bowl is towards protecgulum, the opening part of described magnetic bowl is provided with rotary structure, frame made of iron, the central area of wherein said frame is cylindrical portion, described cylindrical portion is sleeved on the opening part inwall of magnetic bowl, the marginal portion of described frame is bonded on the inwall of protecgulum,
Be provided with cushion block in described magnetic bowl, described cushion block lower end is pasted with magnet steel, and described magnet steel lower end is pasted with pole piece made of iron, and described magnet steel, pole piece are all in the interior zone of cylindrical portion, leaves free gap between described pole piece and cylindrical portion inner circumferential;
The acoustic aperture one side of facing of described frame is bonded with vibrating diaphragm, and described vibrating diaphragm upper surface is bonded with the voice coil loudspeaker voice coil of loop construction, and described voice coil loudspeaker voice coil is in free gap, and described voice coil loudspeaker voice coil is connected with wiring mechanism by electric wire;
Described bonnet inwall is fixed with balancing weight made of iron, and described balancing weight is in directly over magnetic bowl.
During utility model works, because magnet steel exists magnetostatic field, the free gap between pole piece and the cylindrical portion of frame is made to there is magnetic field; Sound passes on vibrating diaphragm by acoustic aperture, cause the vibration of vibrating diaphragm, because voice coil loudspeaker voice coil is bonded on vibrating diaphragm, and voice coil loudspeaker voice coil is in free gap, therefore, voice coil loudspeaker voice coil can constantly cut the magnetic line of force at free gap place along with the vibration of vibrating diaphragm, and voice coil loudspeaker voice coil is created induced electromotive force and exported by electric wire, sound is converted into the signal of telecommunication and exports.
Compared with prior art, the beneficial effects of the utility model are: owing to being provided with balancing weight on bonnet, can prevent overall center of gravity deflection protecgulum; And magnetic bowl, frame, pole piece, magnet steel, cushion block can be fitted to one well, and structure is simply exquisite, easy for installation, not easily produces fault during operation.
As preferred version of the present utility model, the side of described magnetic bowl is provided with the first damping hole, seals the first damping fin of the first damping hole; Described bonnet is provided with the second damping hole, seals the second damping fin of the second damping hole, and described first damping fin, the second damping fin are made by damping fabric.Because damping fabric is ventilative, can ensure that the air in magnetic bowl, the air in shell are constantly sucked or discharge, prevent the generation of noise.
As further preferred version of the present utility model, described wiring mechanism comprises the wiring weld tabs be made up of conductive metallic material, described wiring weld tabs is inserted into the terminals of bonnet, described wiring mechanism also comprises holding screw in order to link weld tabs and pad, and described wiring weld tabs is connected with voice coil loudspeaker voice coil by electric wire.This structure is simple, is convenient to install.
As further preferred version of the present utility model, described magnetic bowl is fixedly connected with ground connection weld tabs, described ground connection weld tabs is connected with wiring weld tabs by electric wire.It is the fail safe in order to ensure the course of work.
Accompanying drawing explanation
Fig. 1 is assembling sectional view of the present utility model.
Wherein, 1 protecgulum, 2 pole pieces, 3 magnet steel, 4 cushion blocks, 5 first damping holes, 6 first damping fins, 7 magnetic bowls, 8 second damping fins, 9 bonnets, 10 second damping holes, 11 balancing weights, 12 ground connection weld tabs, 13 holding screws, 14 pads, 15 wiring weld tabs, 16 free gaps, 17 frame, 17a cylindrical portion, 18 voice coil loudspeaker voice coils, 19 vibrating diaphragms, 20 acoustic aperture, 21 Air Filters.
Embodiment
As shown in Figure 1, a kind of moving-coil type wideband transmitter, comprise the shell assembled by bonnet 9 and protecgulum 1, be installed on the working portion in shell, be arranged on the wiring mechanism on shell, protecgulum 1 is provided with acoustic aperture 20, working portion comprises bowl structure, magnetic bowl 7 made of iron, magnetic bowl 7 is in protecgulum 1 cavity region, and the opening of magnetic bowl 7 is towards protecgulum 1, the opening part of magnetic bowl 7 is provided with rotary structure, frame 17 made of iron, wherein the central area of frame 17 is cylindrical portion 17a, cylindrical portion 17a is sleeved on the opening part inwall of magnetic bowl 7, the marginal portion of frame 17 is bonded on the inwall of protecgulum 1, be provided with cushion block 4 in magnetic bowl 7, cushion block 4 lower end is pasted with magnet steel 3, and magnet steel 3 lower end is pasted with pole piece 2 made of iron, and magnet steel 3, pole piece 2 are all in the interior zone of cylindrical portion 17a, leave free gap 16 between pole piece 2 and cylindrical portion 17a inner circumferential, acoustic aperture 20 one side of facing of frame 17 is bonded with vibrating diaphragm 19, and vibrating diaphragm 19 upper surface is bonded with the voice coil loudspeaker voice coil 18 of loop construction, and voice coil loudspeaker voice coil 18 is in free gap 16, and voice coil loudspeaker voice coil 18 is connected with wiring mechanism by electric wire, bonnet 9 inwall is fixed with balancing weight 11 made of iron, and balancing weight 11 is in directly over magnetic bowl 7.
During work, because magnet steel 3 exists magnetostatic field, the free gap 16 between the cylindrical portion 17a of pole piece 2 and frame 17 is made to there is magnetic field; Sound passes on vibrating diaphragm 19 by acoustic aperture 20, cause the vibration of vibrating diaphragm 19, because voice coil loudspeaker voice coil 18 is bonded on vibrating diaphragm 19, and voice coil loudspeaker voice coil 18 is in free gap 16, therefore, voice coil loudspeaker voice coil 18 can constantly cut the magnetic line of force at free gap 16 place along with the vibration of vibrating diaphragm 19, and voice coil loudspeaker voice coil 18 is created induced electromotive force and exported by electric wire, sound is converted into the signal of telecommunication and exports.
The side of above-mentioned magnetic bowl 7 is provided with the first damping hole 5, seals the first damping fin 6 of the first damping hole 5; Bonnet 9 is provided with the second damping hole 10, seal the second damping fin 8, first damping fin 6, second damping fin 8 of the second damping hole 10 makes by damping fabric, can prevent the generation of noise.
Above-mentioned wiring mechanism comprises the wiring weld tabs 15 be made up of conductive metallic material, wiring weld tabs 15 is inserted into the terminals of bonnet 9, wiring mechanism also comprises holding screw 13 in order to link weld tabs 15 and pad 14, and wiring weld tabs 15 is connected with voice coil loudspeaker voice coil 18 by electric wire, is convenient to install.
Above-mentioned magnetic bowl 7 is fixedly connected with ground connection weld tabs 12, and ground connection weld tabs 12 is connected with wiring weld tabs 15 by electric wire, ensures the fail safe of the course of work.
The utility model is not limited to above-described embodiment; on the basis of technical scheme disclosed in the utility model; those skilled in the art is according to disclosed technology contents; do not need performing creative labour just can make some to some technical characteristics wherein to replace and distortion, these are replaced and are out of shape all in protection range of the present utility model.
Claims (4)
1. a moving-coil type wideband transmitter, comprise the shell assembled by bonnet (9) and protecgulum (1), be installed on the working portion in shell, be arranged on the wiring mechanism on shell, described protecgulum (1) is provided with acoustic aperture (20), it is characterized in that: described working portion comprises bowl structure, magnetic bowl (7) made of iron, described magnetic bowl (7) is in protecgulum (1) cavity region, and the opening of described magnetic bowl (7) is towards protecgulum (1), the opening part of described magnetic bowl (7) is provided with rotary structure, frame made of iron (17), the central area of wherein said frame (17) is cylindrical portion (17a), described cylindrical portion (17a) is sleeved on the opening part inwall of magnetic bowl (7), the marginal portion of described frame (17) is bonded on the inwall of protecgulum (1),
In described magnetic bowl (7), cushion block (4) is installed, described cushion block (4) lower end is pasted with magnet steel (3), described magnet steel (3) lower end is pasted with pole piece made of iron (2), described magnet steel (3), pole piece (2) are all in the interior zone of cylindrical portion (17a), leave free gap (16) between described pole piece (2) and cylindrical portion (17a) inner circumferential;
Acoustic aperture (20) one side of facing of described frame (17) is bonded with vibrating diaphragm (19), described vibrating diaphragm (19) upper surface is bonded with the voice coil loudspeaker voice coil (18) of loop construction, described voice coil loudspeaker voice coil (18) is in free gap (16), and described voice coil loudspeaker voice coil (18) is connected with wiring mechanism by electric wire;
Described bonnet (9) inwall is fixed with balancing weight made of iron (11), described balancing weight (11) is in directly over magnetic bowl (7).
2. a kind of moving-coil type wideband transmitter according to claim 1, is characterized in that: the side of described magnetic bowl (7) is provided with the first damping hole (5), seals first damping fin (6) of the first damping hole (5); Described bonnet (9) is provided with the second damping hole (10), seals second damping fin (8) of the second damping hole (10), and described first damping fin (6), the second damping fin (8) are made by damping fabric.
3. a kind of moving-coil type wideband transmitter according to claim 1, it is characterized in that: described wiring mechanism comprises the wiring weld tabs (15) be made up of conductive metallic material, described wiring weld tabs (15) is inserted into the terminals of bonnet (9), described wiring mechanism also comprises holding screw (13) in order to link weld tabs (15) and pad (14), and described wiring weld tabs (15) is connected with voice coil loudspeaker voice coil (18) by electric wire.
4. a kind of moving-coil type wideband transmitter according to claim 3, it is characterized in that: described magnetic bowl (7) is fixedly connected with ground connection weld tabs (12), described ground connection weld tabs (12) is connected with wiring weld tabs (15) by electric wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405646.8U CN204761645U (en) | 2015-06-14 | 2015-06-14 | Moving -coil wide band mouthpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520405646.8U CN204761645U (en) | 2015-06-14 | 2015-06-14 | Moving -coil wide band mouthpiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204761645U true CN204761645U (en) | 2015-11-11 |
Family
ID=54476309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520405646.8U Expired - Fee Related CN204761645U (en) | 2015-06-14 | 2015-06-14 | Moving -coil wide band mouthpiece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204761645U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920301A (en) * | 2017-11-15 | 2018-04-17 | 宁波麦度智联科技股份有限公司 | A kind of loudspeaker |
| CN113596682A (en) * | 2021-08-05 | 2021-11-02 | 高邮市华声电子有限公司 | Novel waterproof moving coil type receiver with high protection level |
-
2015
- 2015-06-14 CN CN201520405646.8U patent/CN204761645U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107920301A (en) * | 2017-11-15 | 2018-04-17 | 宁波麦度智联科技股份有限公司 | A kind of loudspeaker |
| CN113596682A (en) * | 2021-08-05 | 2021-11-02 | 高邮市华声电子有限公司 | Novel waterproof moving coil type receiver with high protection level |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20151111 Termination date: 20200614 |