CN110611357A - Charger for mobile phone loudspeaker box - Google Patents
Charger for mobile phone loudspeaker box Download PDFInfo
- Publication number
- CN110611357A CN110611357A CN201911062765.7A CN201911062765A CN110611357A CN 110611357 A CN110611357 A CN 110611357A CN 201911062765 A CN201911062765 A CN 201911062765A CN 110611357 A CN110611357 A CN 110611357A
- Authority
- CN
- China
- Prior art keywords
- mobile phone
- sound box
- speaker
- sound
- handset
- 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.)
- Pending
Links
- 238000003780 insertion Methods 0.000 claims abstract description 19
- 230000037431 insertion Effects 0.000 claims abstract description 19
- 238000006243 chemical reaction Methods 0.000 claims abstract description 17
- 229920002379 silicone rubber Polymers 0.000 claims abstract description 7
- 229920000742 Cotton Polymers 0.000 claims description 7
- 238000009413 insulation Methods 0.000 claims description 5
- 238000012986 modification Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract description 2
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 230000005540 biological transmission Effects 0.000 description 6
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- YTBRNEUEFCNVHC-UHFFFAOYSA-N 4,4'-dichlorobiphenyl Chemical compound C1=CC(Cl)=CC=C1C1=CC=C(Cl)C=C1 YTBRNEUEFCNVHC-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
- G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/16—Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
- G10K11/162—Selection of materials
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
- H02J7/0044—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Power Engineering (AREA)
- Telephone Set Structure (AREA)
Abstract
A charger for a mobile phone sound box comprises a passive sound amplifying device and an electromagnetic charging device, and is characterized in that a mobile phone insertion hole is formed in the bottom of the sound box, silicon rubber is installed at the edge of the insertion hole, an audio outlet is formed in the front end of the bottom of the sound box, a DC-DC conversion circuit formed by EE type magnetic cores is installed on the upper portion of the sound box, a DC power supply interface is arranged on the back of the sound box, the charger has the function of passive sound amplification of mobile phone volume, is used for sound modification and automatic charging, is convenient to use, and is.
Description
Technical Field
The invention relates to a mobile phone sound box charger which is applied to mobile phone auxiliary facilities and articles for families and offices.
Background
The invention relates to a charger for a mobile phone sound box, which is characterized in that a mobile phone is directly inserted into a mobile phone insertion port of a sound box, a charging port on the mobile phone is connected with a sound box mobile phone insertion charging terminal, when the mobile phone is in a hands-free conversation state or a song listening state, a mobile phone loudspeaker pronounces sound to the mobile phone insertion port, sound waves generate audio resonance in an audio channel inside the sound box, the resonance sound waves are released from a narrow channel space to a wide channel space in the audio channel, the audio frequency volume is gradually increased under the action of the resonance sound waves, the sound waves are played at an audio outlet, sound insulation cotton is arranged inside the sound box to absorb noise of second harmonic waves, so that the sound is clear and pleasant, an AC-DC power converter outside the sound box is connected with a DC power supply interface of the box through a DC plug of a DC power transmission line to supply power for a charging power supply of the mobile, is economical and applicable, and is an auxiliary article of the mobile phone.
Disclosure of Invention
The invention provides a charger for a mobile phone sound box, which comprises a passive sound amplifying device and an electromagnetic charging device and is characterized in that a mobile phone insertion opening is formed in the bottom of the sound box, silicon rubber is installed on the edge of the insertion opening, an audio outlet is formed in the front end of the bottom of the sound box, a DC-DC conversion circuit consisting of EE type magnetic cores is installed on the upper portion of the sound box, and a DC power supply interface is arranged on the back of the sound box.
The passive sound amplifying device is characterized in that a sound box sound insulation plate is arranged in a sound box, the inner space of the sound box is divided into two halves, an audio channel is formed from a mobile phone insertion opening to an audio outlet, and sound insulation cotton is arranged on the edge of the audio channel in the sound box.
The electromagnetic charging device adopts an EE type ultrathin magnetic core wound with an enameled coil, the EE type magnetic core coil and a DC-DC conversion circuit are welded on a PCB circuit board and are arranged on the upper part of a sound box, the power input end of the DC-DC conversion circuit is connected with a DC power supply interface, the DC power supply interface is connected with an external DC power plug, a mobile phone charging socket terminal is arranged in a mobile phone insertion hole of the sound box, and the mobile phone charging socket terminal is connected with the output end of the DC-DC conversion circuit.
The invention relates to a charger for a mobile phone sound box, which is characterized in that a mobile phone is directly inserted into a mobile phone insertion opening of the sound box, a charging opening on the mobile phone is connected with a sound box mobile phone insertion charging terminal, when the mobile phone is in a hands-free conversation state or a song listening state, a mobile phone loudspeaker pronounces sound to the mobile phone insertion opening, sound waves generate audio resonance in an audio channel inside the sound box, the resonance sound waves are released from a narrow channel space to a wide channel space in the audio channel, the audio frequency volume is gradually increased under the action of the resonance sound waves, the sound waves are played at an audio outlet, sound insulation cotton is arranged inside the sound box to absorb the noise of second harmonic waves, so that the sound is clear and pleasant, an AC-DC power converter outside the sound box is connected with a DC power supply interface of the sound box through a DC plug of a DC power transmission line to provide power supply for a DC-DC circuit inside, is economical and applicable, and is an auxiliary article of the mobile phone.
Drawings
FIG. 1: the structure of the product of the invention is shown schematically.
FIG. 2: the passive sound amplifying device and the audio channel structure of the product are schematic.
FIG. 3: the invention discloses an electromagnetic charging device structure schematic diagram.
FIG. 4: the AC-DC power transmission line structure of the product of the invention is schematic.
Detailed Description
Referring to fig. 1: a charger for a mobile phone sound box is structurally provided with an audio outlet 1, a sound box bottom 2, a mobile phone inserting opening 3, a mobile phone charging inserting opening terminal 4, silicon rubber 5, a DC-DC conversion circuit 6, a PVC cover plate 7, sound absorption cotton 8, a sound box partition plate 9, a DC power supply interface 10, an audio channel 11 and a sound box upper portion 12.
Referring to fig. 2: the mobile phone 20 is inserted into a mobile phone insertion opening 3 at the bottom 2 of the sound box, a charging opening on the mobile phone 20 is connected with a mobile phone charging socket terminal 4 of the sound box, a DC-DC conversion circuit 6 is directly charged with the mobile phone 20, silicon rubber 5 is installed on the periphery of the mobile phone insertion opening 3, the silicon rubber 5 is used for increasing the connection sealing between the mobile phone insertion opening 3 and the mobile phone 20, a sound box clapboard 9 is adopted to divide the interior of the sound box into a labyrinth type audio channel 11, sound absorption cotton 8 is pasted on the sound box clapboard 9 and the interior of the sound box, sound emitted by a loudspeaker on the mobile phone 20 generates audio sound wave resonance through the labyrinth type audio channel 11 from the mobile phone insertion opening 3, the resonance sound wave rushes from a narrow audio channel space to a wide audio channel space in the audio channel 11, the audio volume is gradually increased under the effect of the resonance sound wave, the sound is, the sound is clear and pleasant, the DC power supply interface 10 is internally connected with the DC-DC conversion circuit 6, the outside is connected with the DC plug 19 of the AC-DC power transmission line to provide the power supply of the DC-DC conversion circuit 6, and the DC-DC conversion circuit 6 is arranged on the PVC cover plate 7 of the upper part 12 of the sound box.
Referring to fig. 3: an EE type ultrathin magnetic core 13 is wound with an enameled coil 14, the EE type magnetic core coil 14 and a DC-DC element circuit 16 are welded on a PCB 15 to form a DC-DC conversion circuit 6 which is arranged in the upper part 12 of the sound box, the output end of the DC-DC conversion circuit 6 is connected with a mobile phone charging socket terminal 4 in a mobile phone insertion port 3, the DC-DC circuit 16 adopts an IC (integrated circuit) as an MC24836 series circuit, the output voltage is 5-9V, and the current 2A provides a charging power supply of the mobile phone 20.
Referring to fig. 4: the AC-DC power converter adopts a wide-voltage primary side feedback circuit, an IC forms a constant-current constant-voltage circuit 21 by UM39824 series, the output power is 9V3A, components in the circuit are welded on a PCB, an insulating heat-conducting pouring sealant is filled and sealed on a PVC power head 18, and the output of the circuit is connected with a DC plug 19 through a DC power transmission line 17.
Installing a program:
the mobile phone jack 31 → the silicone rubber 5 → the mobile phone charging jack terminal 4 → the DC-DC circuit 16 → the PCB circuit board 15 → the DC-DC conversion circuit 6 → the PVC cover 7 → the DC power supply interface 10 → the speaker partition 9 → the acoustic absorbent cotton 8 → the constant current and constant voltage circuit 21 → the PVC power supply head 18 → the DC power supply transmission line 17 → the DC plug 19.
The above description is only for the best mode of carrying out the invention, and all equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the present invention.
Claims (3)
1. A charger for a mobile phone sound box comprises a passive sound amplifying device and an electromagnetic charging device and is characterized in that a mobile phone insertion opening is formed in the bottom of the sound box, silicon rubber is installed on the edge of the insertion opening, an audio outlet is formed in the front side end of the bottom of the sound box, a DC-DC conversion circuit composed of EE type magnetic cores is installed on the upper portion of the sound box, and a DC power supply interface is arranged on the back of the sound box.
2. The handset speaker charger according to claim 1, wherein the passive speaker device has a speaker baffle installed inside the speaker to divide the interior space of the speaker into two halves, and the two halves form an audio channel from the handset inlet to the audio outlet, and the sound insulation cotton is installed on the edge of the audio channel inside the speaker.
3. The handset speaker charger according to claim 1, wherein the electromagnetic charging device employs an EE-type ultra-thin magnetic core with an enameled coil wound thereon, the EE-type magnetic core coil and the DC-DC conversion circuit are soldered on the PCB circuit board and mounted on the upper portion of the speaker, a power input terminal of the DC-DC conversion circuit is connected to the DC power supply interface, the DC power supply interface is connected to an external DC power plug, a handset charging socket terminal is mounted in a handset inlet of the speaker, and the handset charging socket terminal is connected to an output terminal of the DC-DC conversion circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911062765.7A CN110611357A (en) | 2019-11-03 | 2019-11-03 | Charger for mobile phone loudspeaker box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911062765.7A CN110611357A (en) | 2019-11-03 | 2019-11-03 | Charger for mobile phone loudspeaker box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110611357A true CN110611357A (en) | 2019-12-24 |
Family
ID=68895688
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911062765.7A Pending CN110611357A (en) | 2019-11-03 | 2019-11-03 | Charger for mobile phone loudspeaker box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110611357A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005184050A (en) * | 2003-12-16 | 2005-07-07 | Hidenori Saito | Acoustic box for cellular phone |
| JP3127386U (en) * | 2006-09-20 | 2006-11-30 | 月雲 黄 | Multi-function audio effect assist device |
| WO2018103173A1 (en) * | 2016-12-09 | 2018-06-14 | 郑文 | Speaker |
| CN109038737A (en) * | 2018-08-13 | 2018-12-18 | 重庆工业职业技术学院 | Phone charger with charging and audio enlarging function |
| CN210430986U (en) * | 2019-11-03 | 2020-04-28 | 福建兴杭电子有限公司 | Charger for mobile phone loudspeaker box |
-
2019
- 2019-11-03 CN CN201911062765.7A patent/CN110611357A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005184050A (en) * | 2003-12-16 | 2005-07-07 | Hidenori Saito | Acoustic box for cellular phone |
| JP3127386U (en) * | 2006-09-20 | 2006-11-30 | 月雲 黄 | Multi-function audio effect assist device |
| WO2018103173A1 (en) * | 2016-12-09 | 2018-06-14 | 郑文 | Speaker |
| CN109038737A (en) * | 2018-08-13 | 2018-12-18 | 重庆工业职业技术学院 | Phone charger with charging and audio enlarging function |
| CN210430986U (en) * | 2019-11-03 | 2020-04-28 | 福建兴杭电子有限公司 | Charger for mobile phone loudspeaker box |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |