CN2671276Y - Sounder with double voice coil - Google Patents
Sounder with double voice coil Download PDFInfo
- Publication number
- CN2671276Y CN2671276Y CN 200320131777 CN200320131777U CN2671276Y CN 2671276 Y CN2671276 Y CN 2671276Y CN 200320131777 CN200320131777 CN 200320131777 CN 200320131777 U CN200320131777 U CN 200320131777U CN 2671276 Y CN2671276 Y CN 2671276Y
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- CN
- China
- Prior art keywords
- voice coil
- coil loudspeaker
- loudspeaker voice
- acoustical generator
- double
- 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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Abstract
The utility model relates to a sounder with double voice coils. The utility model is referred in order to provide a sound apparatus which can dispatch two different resistor impedance voices and reduce the cost greatly. The sounder with double voice coils comprises a vibrating diaphragm, a U-shaped figured iron forming concaved space, a first voice coil with a couple of electrode wires extending, a second voice coil with a couple of electrode wires extending, a bracket, a lodestone loaded in the concaved space of the U-shaped figured iron, an electrode sheet connected above the lodestone, and a terminal board formed at the root edge on the external side of the bracket to offer electrical connection. The bracket and the U-shaped figured iron form a base body. The vibrating diaphragm covers the bracket and is formed above the bracket. The second voice coil surrounds the periphery of the electrode sheet and the periphery of the lodestone and is formed. The first voice coil surrounds the periphery of the second voice coil and is formed. The first voice coil and the second voice coil have different resistor impedance, and the first voice coil and the second voice coil are combined with the vibrating diaphragm simultaneously.
Description
Technical field
The utility model belongs to sound equipment, particularly a kind of acoustical generator with double-tone circle.
Background technology
The acoustical generator of generally commonly using is mainly the combination that utilizes magnetite, vibrating diaphragm and voice coil loudspeaker voice coil as loudspeaker, receiver, buzzer or microphone etc., but produces suitable resistance via the resistance of modulation, so that electric current produces sound by the back.
As shown in Figure 1, the acoustical generator of generally commonly using 10 is for utilizing the combination of visible vibrating diaphragm 11 of front end face and voice coil loudspeaker voice coil 13.
After electrically connecting line 14 conducting electric currents, acoustical generator 10 can be sounded.
As shown in Figure 2, acoustical generator 10 involving vibrations diaphragms 11, form in concave space U sections 12, voice coil loudspeaker voice coil 13, support 14, be loaded into the magnetite 15 in the concave spaces in the U sections 12, be arranged in the electrode slice 16 of magnetite 15 tops and be formed at support 14 outside root edge suitable positions for making the terminal board 17 that electrically connects with the electronic installation of periphery.
Support 14 and U sections 12 form pedestal.
Voice coil loudspeaker voice coil 13 is around the periphery that is formed at electrode slice 16 and magnetite 15.
Vibrating diaphragm 11 covers and is formed at support 14 tops.After current lead-through, by the difference of voice coil loudspeaker voice coil 13 resistive impedance, cooperate the effect of vibrating diaphragm 11, can produce sound.
Only, the acoustical generator commonly used of this kind can't be in response to the actual demand of current electronic installation.For example, be example with the pattern of using of present mobile phone, when incoming call, the sounding that telephone bell is required, the impedance of its resistance is about 8 ohm, and behind closing of the circuit, the sounding of receiver then is about 32 ohm.Be that the tinkle of bells sound is 8 ohm, press and answer key or raise 8 ohm of Gai Houhui cut-outs, and then receive words that then be 32 ohm this moment.If with the feeding mechanism of the above-mentioned acoustical generator of commonly using as sound, then necessary two tool acoustical generators, promptly a resistive impedance is 8 ohm, another then is 32 ohm.
As shown in Figure 3, Figure 4, the device mode of commonly using acoustical generator is generally laying arranged side by side as shown in Figure 3, or overlapping laying as shown in Figure 4.Thus, the device space potential of mobile phone must strengthen in order to install two tool acoustical generators, and it not only has not been inconsistent the product design principle of current short and small fineness, and the cost of installing two tool acoustical generators also can't reduce.
Summary of the invention
The purpose of this utility model provides a kind of acoustical generator with double-tone circle that sends two kinds of different resistive impedance sound, significantly reduces cost.
The utility model involving vibrations diaphragm, form in concave space U sections, first voice coil loudspeaker voice coil that extends the pair of electrodes lead, second voice coil loudspeaker voice coil that extends the pair of electrodes lead, support, be loaded into the magnetite in the concave space in the U sections, be arranged in the electrode slice of magnetite top and be formed at support outside root edge for the terminal board that electrically connects; Support and U sections form pedestal; Vibrating diaphragm covers and is formed at the support top; Second voice coil loudspeaker voice coil is around the periphery that is formed at electrode slice and magnetite; First voice coil loudspeaker voice coil is around being formed at the second voice coil loudspeaker voice coil periphery; First voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil have different resistive impedance, and combine with vibrating diaphragm simultaneously.
Wherein:
Lay for the mode of electrically connecting between first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil.
Lay for mode electrically in parallel between first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil.
The resistive impedance of first voice coil loudspeaker voice coil can be made modulation according to user demand.
The resistive impedance of second voice coil loudspeaker voice coil can be made modulation according to user demand.
Because the utility model involving vibrations diaphragm, form in concave space U sections, first voice coil loudspeaker voice coil that extends the pair of electrodes lead, second voice coil loudspeaker voice coil that extends the pair of electrodes lead, support, be loaded into the magnetite in the concave space in the U sections, be arranged in the electrode slice of magnetite top and be formed at support outside root edge for the terminal board that electrically connects; Support and U sections form pedestal; Vibrating diaphragm covers and is formed at the support top; Second voice coil loudspeaker voice coil is around the periphery that is formed at electrode slice and magnetite; First voice coil loudspeaker voice coil is around being formed at the second voice coil loudspeaker voice coil periphery; First voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil have different resistive impedance, and combine with vibrating diaphragm simultaneously.In same group of member, form two voice coil loudspeaker voice coils that are respectively first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil, because the electrical impedance difference of first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil, so when electric current passes through, successively produce two kinds of sound frequencies that sent because of the impedance difference respectively.Make two voice coil loudspeaker voice coils can utilize same group of acoustical generator successively to reach the effect that produces two kinds of sound, thus, the space of laying is economization significantly, can make electronic installation more exquisite; Because only need one group of acoustical generator, the effect of two kinds of sound can be produced respectively, and the material cost of another kind of acoustical generator can be saved, promote price competitiveness; Not only can send two kinds of different resistive impedance sound, and significantly reduce cost, thereby reach the purpose of this utility model.
Description of drawings
Fig. 1, acoustical generator structural representation stereogram for commonly using.
Fig. 2, acoustical generator structural representation cutaway view for commonly using.
Fig. 3, acoustical generator and array apparatus schematic diagram for commonly using.
Fig. 4, acoustical generator overlapping device schematic diagram for commonly using.
Fig. 5, be the utility model structural representation cutaway view.
Fig. 6, be the utility model structural representation front view (first and second voice coil loudspeaker voice coil electrically in parallel).
Fig. 7, be A portion partial enlarged drawing among Fig. 6.
Fig. 8, be B portion partial enlarged drawing among Fig. 6.
Fig. 9, for the utility model structural representation front view (first and second voice coil loudspeaker voice coil is electrically connected).
Embodiment
As shown in Figure 5, the utlity model has the double-tone circle acoustical generator 20 involving vibrations diaphragms 21, form in concave space U sections 22, first voice coil loudspeaker voice coil 23, second voice coil loudspeaker voice coil 24, support 25, be loaded into the magnetite 26 in the concave spaces in the U sections 22, be arranged in the electrode slice 27 of magnetite 26 tops and be formed at support 25 outside root edge suitable positions for making the terminal board 28 that electrically connects with the electronic installation of periphery.
Support 25 and U sections 22 form pedestal.
Second voice coil loudspeaker voice coil 24 is around the periphery that is formed at electrode slice 27 and magnetite 26; First voice coil loudspeaker voice coil 23 is around the periphery that is formed at second voice coil loudspeaker voice coil 24.First voice coil loudspeaker voice coil 23 and second voice coil loudspeaker voice coil 24 extend pair of electrodes lead 23a, 23b, 24a, 24b respectively, and have different resistive impedance, and combine with vibrating diaphragm 21 simultaneously.
Vibrating diaphragm 21 covers and is formed at support 25 tops.
After current lead-through, by first voice coil loudspeaker voice coil 23 with different resistive impedance and second voice coil loudspeaker voice coil 24, cooperate the effect of vibrating diaphragm 21, can successively produce two kinds of audio frequency that produce by different impedances respectively.
The acoustical generator 20 that the utlity model has the double-tone circle is in same group of member, formation is respectively two voice coil loudspeaker voice coils of first voice coil loudspeaker voice coil 23 and second voice coil loudspeaker voice coil 24, because the electrical impedance difference of first voice coil loudspeaker voice coil 23 and second voice coil loudspeaker voice coil 24, so when electric current passes through, successively produce two kinds of sound frequencies that sent because of the impedance difference respectively.
As Fig. 6, Fig. 7, shown in Figure 8, first voice coil loudspeaker voice coil 23 is laid for mode electrically in parallel with second voice coil loudspeaker voice coil 24, electrically connects line 23a and electrically connect line 23b to be overlapped in first voice coil loudspeaker voice coil 23; Electrically connect line 24a and electrically connect line 24b and be overlapped in second voice coil loudspeaker voice coil 24.The resistive impedance of first voice coil loudspeaker voice coil 23 is 8 ohm, and the impedance of second voice coil loudspeaker voice coil 24 is 32 ohm.Be example with using of mobile phone, when incoming call, the 23 generation effects of first voice coil loudspeaker voice coil, promptly 8 ohm resistive impedance is sent the tinkle of bells; Answer the switching of key or flip after-current when electrically connecting line 24a, 24b when pressing, second voice coil loudspeaker voice coil 24 can the generation effect, i.e. the function talked about of 32 ohm resistive impedance.When phone was switched on, first voice coil loudspeaker voice coil 23 promptly failed.And the resistive impedance of first voice coil loudspeaker voice coil 23 and second voice coil loudspeaker voice coil 24 can be made modulation according to user demand.
As shown in Figure 9, first voice coil loudspeaker voice coil 23 is laid for the mode of electrically connecting with second voice coil loudspeaker voice coil 24, electrically connects line 23a and electrically connect line 23b to be overlapped in first sound Figure 23; Electrically connect line 24a and electrically connect line 24b and be overlapped in second voice coil loudspeaker voice coil 24; Electrically connect line 23b and electrically connect line 24b and finish mutually and be overlapped in tie point a; The resistive impedance of first voice coil loudspeaker voice coil 23 is 8 ohm, and the impedance of second voice coil loudspeaker voice coil is 24 ohm.Be example with using of mobile phone, as when incoming call, the 23 generation effects of first voice coil loudspeaker voice coil, promptly 8 ohm resistive impedance is sent the tinkle of bells between 2 of a, the b; When mobile phone places when answering state, first voice coil loudspeaker voice coil 23 and the 24 generation effects of second voice coil loudspeaker voice coil of series connection this moment, i.e. the resistive impedance that 2 series connection generations of b, c are 24 ohm+8 ohm=32 ohm is talked about function; When electric current when electrically connecting line 23b, 24b, then first voice coil loudspeaker voice coil 23 and second voice coil loudspeaker voice coil 24 are in 2 series connection of b, c generation effect.The resistive impedance of first voice coil loudspeaker voice coil 23 and second voice coil loudspeaker voice coil 24 can be made modulation according to user demand.
As mentioned above, the acoustical generator 20 that the utlity model has the double-tone circle is for forming two voice coil loudspeaker voice coils in one group of acoustical generator, by laying mode in parallel or series connection, make two voice coil loudspeaker voice coils can utilize same group of acoustical generator successively to reach the effect that produces two kinds of sound, thus, the space of laying is economization significantly, because only need one group of acoustical generator, the effect of two kinds of sound can be produced respectively, and the material cost of another kind of acoustical generator can be saved.It has following columns item advantage at least:
(1) only need one group of acoustical generator, the voice coil loudspeaker voice coil of two different resistive impedance of collocation can produce the acoustical generator of two kinds of difference in functionalitys.
(2) save the laying space, can make electronic installation more exquisite.
(3) save material cost, promote price competitiveness.
In sum, after the acoustical generator 20 that the utlity model has the double-tone circle was implemented, can reach really only needed one group of acoustical generator just can send two kinds of different resistive impedance sound, can significantly reduce space that structure lays and the purpose that significantly reduces the acoustical generator of Material Cost.
Claims (5)
1, a kind of acoustical generator with double-tone circle, its involving vibrations diaphragm, form in concave space U sections, second voice coil loudspeaker voice coil that extends the pair of electrodes lead, support, be loaded into the magnetite in the concave space in the U sections, be arranged in the electrode slice of magnetite top and be formed at support outside root edge for the terminal board that electrically connects; Support and U sections form pedestal; Second voice coil loudspeaker voice coil is around the periphery that is formed at electrode slice and magnetite; Vibrating diaphragm covers and is formed at the support top; It is characterized in that described second voice coil loudspeaker voice coil is outward around forming first voice coil loudspeaker voice coil that extends the pair of electrodes lead; First voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil have different resistive impedance, and combine with vibrating diaphragm simultaneously.
2, the acoustical generator with double-tone circle according to claim 1 is characterized in that laying for the mode of electrically connecting between described first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil.
3, the acoustical generator with double-tone circle according to claim 1 is characterized in that laying for mode electrically in parallel between described first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil.
4, the acoustical generator with double-tone circle according to claim 1 is characterized in that the resistive impedance of described first voice coil loudspeaker voice coil can be made modulation according to user demand.
5, the acoustical generator with double-tone circle according to claim 1 is characterized in that the resistive impedance of described second voice coil loudspeaker voice coil can be made modulation according to user demand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320131777 CN2671276Y (en) | 2003-12-30 | 2003-12-30 | Sounder with double voice coil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320131777 CN2671276Y (en) | 2003-12-30 | 2003-12-30 | Sounder with double voice coil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2671276Y true CN2671276Y (en) | 2005-01-12 |
Family
ID=34477545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320131777 Expired - Fee Related CN2671276Y (en) | 2003-12-30 | 2003-12-30 | Sounder with double voice coil |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2671276Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404785B (en) * | 2007-06-20 | 2013-03-27 | 共达欧洲研究与发展有限责任公司 | Miniature voice coil with integrated coupling coil |
| CN104902406A (en) * | 2015-05-07 | 2015-09-09 | 珠海市源声电子有限公司 | Coaxial same-phase double moving coil unit loudspeaker |
-
2003
- 2003-12-30 CN CN 200320131777 patent/CN2671276Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101404785B (en) * | 2007-06-20 | 2013-03-27 | 共达欧洲研究与发展有限责任公司 | Miniature voice coil with integrated coupling coil |
| CN104902406A (en) * | 2015-05-07 | 2015-09-09 | 珠海市源声电子有限公司 | Coaxial same-phase double moving coil unit loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20050112 Termination date: 20101230 |