CN1243653A - Electro-dynamic exciter - Google Patents
Electro-dynamic exciter Download PDFInfo
- Publication number
- CN1243653A CN1243653A CN98801886A CN98801886A CN1243653A CN 1243653 A CN1243653 A CN 1243653A CN 98801886 A CN98801886 A CN 98801886A CN 98801886 A CN98801886 A CN 98801886A CN 1243653 A CN1243653 A CN 1243653A
- Authority
- CN
- China
- Prior art keywords
- oscillation exciter
- inertial oscillation
- coupling compoonent
- carriage
- suspension
- 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
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
- H04R9/066—Loudspeakers using the principle of inertia
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
- H04R7/04—Plane diaphragms
- H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R7/00—Diaphragms for electromechanical transducers; Cones
- H04R7/16—Mounting or tensioning of diaphragms or cones
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
- Reciprocating, Oscillating Or Vibrating Motors (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
An electro-dynamic inertial vibration exciter (1) for exciting a member (2) having capability to sustain and propagate input vibrational energy comprising: a motor coil assembly (3, 4) having a coil (3) rigidly fixed to a tubular coil former member (4); a magnet assembly (5, 6, 7) disposed concentrically with respect to the motor coil assembly; and means (11) suspending the magnet assembly for axial movement relative to the motor coil assembly; characterised by a carrier (9) supporting the motor coil assembly (3, 4) and adapted for connection to the member (2) to be excited.
Description
The present invention relates to a kind of electro-dynamic exciter, for example be used to start as the sounding board type radiator loudspeaker of on September 2nd, 1996 with type as described in the international patent application of the common pending trial of WO97/09842 bulletin.
In more detail, the present invention is a kind of electric inertia vibration exciter, as the international patent application described type of on September 2nd, 1996 with WO 97/09859 bulletin, the one inertial oscillation exciter that comprises the motor coil assembly is wherein described, the motor coil assembly has a coil, it is rigidly fixed to a tubular coil winding former, the inertial oscillation exciter also comprises one with respect to motor coil assembly concentric arrangement and form the magnet assemblies of an inertia mass, and the elastic device of this magnet assemblies of support, doing axial motion with respect to the motor coil assembly, and wherein tubular element is mounted to member to be shaken as sounding board type loudspeaker etc. by the direct rigidity of a sticking device.
The present invention relates to the efficient structure of exciter, and in order to produce the manufacturing technology of this kind exciter.
According to the present invention, a kind of electric inertia vibration exciter, in order to member excitation, this member has the ability of keeping and propagate the inputted vibration energy, and comprises: a motor coil assembly has a coil that is rigidly fixed to a coil-winding die component; One magnet assemblies is made concentric arrangement with respect to the motor coil assembly; Suspend the device of this magnet assemblies in midair, to do axial motion with respect to the motor coil assembly, this motor coil assembly of a bracket support wherein, and be suitable for being connected to member to be encouraged.This carriage can be connected directly to the coil-winding die component, and this suspension apparatus can be connected to this carriage, and a coupling compoonent can be connected to this carriage by this suspension apparatus, and wherein coupling compoonent is suitable for holding in the palm and holds this magnet assemblies.
This coupling compoonent and magnet assemblies are suitable for cooperating each other, and the device that is fixed together in order to coupling compoonent and magnet assemblies can be provided on coupling compoonent and the magnet assemblies.This fixture can comprise locking devicen.Carriage and suspension apparatus can be monolithic molding, and coupling compoonent and suspension apparatus can be monolithic molding, and this suspension apparatus can have elasticity, and this suspension apparatus can be a barrier film.Another situation can comprise one group of elastic arm for this suspension apparatus.This coupling compoonent and carriage can be annular and this arm can be connected between coupling compoonent and the carriage, to extend along circumferential.
Carriage can have one side, and it is suitable for contacting this resonant member and for example being fixed thereon with sticking device or consolidation device arrangement, this carriage can with a flange monolithic molding that is fixed to resonant member.This flange can be dish and supports exciter by flange one side portion in a chamber of resonant member.This dish can be closed this chamber.
Coil-winding die component one end can be installed in this carriage one recess, and this coil can be installed on the exterior face of coil-winding die component.
This magnet assemblies can comprise the relative utmost point spare that roughly is dish that is embedded with a magnet, this utmost point spare is disposed within the motor coil assembly around one of them and is adjacent, be formed with a upright flange in this utmost point spare around another, it is adjacent and center on this motor coil assembly.This flange is suitable for cooperating coupling compoonent.Can be formed with a lip on the flange, the typing of this lip is cooperating this coupling compoonent, and the fixture on the coupling compoonent is suitable for engaging this lip.Can arrange a dust seal to close this loop coil carriage.
Suspend this magnet assemblies in midair and can comprise a pair of axially spaced-apart suspension elements or assembly with device with respect to the axial motion of motor coil assembly, to help the axial guiding of sound coil with respect to the motor coil assembly, this suspension elements can be any desired form, for example it can comprise the elastic arm of respective sets, each outer end of elastic arm can be connect by post in each suspension elements, and its lower end forms the pin that is suitable for contacting resonant member.This arm the inner can be held in the palm and be held each the annular coupling compoonent that is suitable for carrying magnet assemblies.
According to a further aspect in the invention, the present invention one comprises the loudspeaker of above-mentioned inertial oscillation exciter.
The present invention describes by the exemplary reference accompanying drawing, wherein:
Fig. 1 is the cross sectional side view according to inertia electric vibrating exciter first embodiment of the present invention;
Fig. 2 is the decomposition cross sectional side view of the embodiment among Fig. 1;
Fig. 3 is the embodiment one details amplification profile end view among Fig. 1;
Fig. 4 is a plane graph of embodiment one Suspension among Fig. 1;
Fig. 5 is a plane graph, and it is a correction form of the suspention assembly that is used for Fig. 1 embodiment of similar Fig. 4;
Fig. 6 is a plane graph, and it is another correction form of the suspention assembly that is used for exciter type shown in Figure 1 of similar Fig. 4;
Fig. 7 demonstration is suitable for placing one to wait to encourage an embodiment of the inertia electric vibrating exciter in the resonant member;
Fig. 8 be used for Fig. 7 exciter roughly similar Fig. 4 one the suspention assembly a plane graph;
Fig. 9 is used for a roughly perspective view of the correction form of the suspention assembly of an exciter of shown type of Fig. 1;
Figure 10 is a cross sectional side view of the suspention assembly of Fig. 9 of being got along the line Y-Y among Figure 11, and
The section plan view that Figure 11 is got for the line X-X along Figure 10.
Fig. 1 to 4 discloses first embodiment of the electric inertia vibration exciter 1 of the general type described in the International Patent Application WO 97/09859, for example in order in just like resonant member 2 such as general type template members described in the International Patent Application WO 97/09842, to motivate bending wave vibration, to form a loudspeaker.
Therefore exciter 1 comprises a motor coil assembly 3,4 and one magnet assemblies 5,6,7, formed an inertia mass, be suitable for respect to this motor coil assembly 3,4 move, this exciter is suitable for being fixed to this with any convenient manner and waits to encourage resonant member 2, when being applied to this place when the signal of telecommunication, transmits the bending wave energy to this resonant member 2.
Magnet assemblies 5,6,7 comprise and are embedded in antipode spare 6,7 dish shape magnet 5, one of them 7 is the dish shape, and can extend jointly with magnet 5, another 6 is a cup-shaped, and be formed with around magnet 5 and utmost point spare 7 one to lower flange 8, to form in order to take in an annular gap 20 of sound coil 3.The free end of flange 8 forms the lip 22 that stretches out, and its outer end is provided with an annular recess 21, to define a pod, wherein can the bell and spigot joint mode closely take in coupling compoonent 12 appositely, so that magnet assemblies is retained on the motor coil assembly.Clip 13 on the coupling compoonent 12 engage lips 22 in case anti-avulsion from.
Therefore coupling compoonent 12 is provided with a pair of end flange 14, and electric terminals 15 (asking for an interview Fig. 3) has been held in its holder, and this electric terminals is electrically connected to sound coil 3 by winding wire or tail 16, and this coil can be connected to a signal source, and fills and be subjected to energy.
Fig. 5 shows the suspention assembly or the assembly of a correction form that is used for exciter shown in Fig. 1 to 4, and wherein the elastic diaphragm 11 of Fig. 4 being substituted by hard fabric barrier film 23 that is soaked with as plastic materials such as epoxy resin.Barrier film 23 integral body are formed with coupling compoonent 12 and coil bracket 9, for example by member 9 and 12 is injection molded into this barrier film.
Fig. 6 shows the suspention assembly or the assembly of another form that is used for exciter shown in Fig. 1 to 4, wherein coil bracket 9, coupling compoonent 12 and one is between these elasticity suspention 28 annular construction member 24 monolithic moldings by elastic-plastic material between the two, it is by molded with this annular construction member and peripheral groove 25, this slot part extends along this annular construction member periphery, this member branch is shaped as an external component 26 of this coupling compoonent 12, one forms the interior element 27 of coil support 9, should interiorly reach external component is separated and is connected by an elasticity Suspension, this elasticity Suspension is formed by three arms 28 that define with groove 25, this arm extends along member 24 peripheries, and its outer end 29 links to external component 26, and the inner 30 of its arm links to interior element 27.Therefore this Suspension is operated by the deflection of elastic arm.
Fig. 7 and 8 discloses a structure, and wherein above-mentioned exciter 1 places a chamber 31 of resonance plate type member 2.Carriage 9 integral body are formed with the dish shape flange 32 that stretches out in this situation, and exciter is installed in the chamber around face 34 center dants 33 of member 2 by it, and this chamber thereby close.
Disclose the exciter of general type shown in a Fig. 1 to 3 among Fig. 9 to 11, it utilizes a correction form of suspention assembly or the assembly of Fig. 6, yet under this situation, this suspention assembly is made of the elastic arm 28 of two groups of axially spaced-aparts, and further strengthen magnet assemblies 5, the guiding of 6,7 relative motor coil assemblies 34.Please note as Fig. 9 to show that magnet assemblies comes from the decomposition of suspention assembly, though only can see utmost point spare 6, for clarity sake, the suspention assembly divides excision to show in its right upper portion.
This suspention assembly or assembly comprise the unitary plastic mould, and it forms carriage 9, coupling compoonent 12, reaches elastic arm 28 of each group.Coupling compoonent 12 comprises element under last the reaching of hereinafter describing in detail.
The suspention assembly comprises a loop bracket 9 on its base portion, it is formed with a cannelure 18 to take in and to locate the end 17 of a coil-winding mould 4.The connecting rod 35 of an array stretches out from carriage, and its outer end is connected to and is suitable for peace and leans against pin 36 on the elastic component 2 (not shown).Pin 36 supports the outer end 29 of the elastic arm 28 of group.
The inner 30 of this time group elastic arm is carried annular coupling compoonent 12, and it is provided with a flange 37 upwards, is suitable for admitting appositely and supporting flange 8 lower ends of the utmost point spare 6 of general type magnet assemblies shown in Fig. 1 and 2.
The inertial oscillation exciter manufacture that therefore the present invention provides convenience comprises the integrated suspension assembly with plastic moulding or co-molded formation.
Claims (23)
1. an electric inertia vibration exciter (1), in order to a member (2) excitation, this member has the ability of keeping and propagate the inputted vibration energy, comprising: a motor coil assembly (3,4), coil (3) are rigidly fixed to tubular coil coiling module (4); One magnet assemblies (5,6,7) is with respect to motor coil assembly concentric arrangement; Device (11) suspends this magnet assemblies in midair, to do axial motion with respect to the motor coil assembly, it is characterized by, and a carriage (9) supports motor coil assembly (3,4), and is connected to member to be encouraged (2).
2. according to the inertial oscillation exciter of claim 1, it is characterized by, carriage (9) is connected directly to coil-winding die component (4).
3. according to the inertial oscillation exciter of claim 1 or 2, it is characterized by, suspension apparatus (11,23,24) is connected to this carriage.
4. according to the inertial oscillation exciter of claim 3, it is characterized by, a coupling compoonent (12) is connected to this carriage by this suspension apparatus (11,23,24), and wherein coupling compoonent is fixed to this magnet assemblies.
5. according to the inertial oscillation exciter of claim 4, it is characterized by this coupling compoonent (12) and magnet assemblies (5,6,7) cooperate each other, the device (13) that is fixed together in order to this coupling compoonent and magnet assemblies is arranged on the coupling compoonent and on the magnet assemblies.
6. according to the inertial oscillation exciter of claim 5, it is characterized by, this fixture comprises locking devicen (13).
7. according to the inertial oscillation exciter of claim 4,5 or 6, it is characterized by, this carriage (9) and suspension member (11,23,24) are whole.
8. according to each inertial oscillation exciter among the claim 4-7, it is characterized by, this coupling compoonent (12) and suspension member (11,23,24) are whole.
9. according to the inertial oscillation exciter of aforementioned arbitrary claim, it is characterized by, this suspension member (11,23,24) has elasticity.
10. according to the inertial oscillation exciter of claim 9, it is characterized by, this Suspension (11,23) is a barrier film.
11. according to each inertial oscillation exciter among the claim 1-9, it is characterized by, this Suspension (24) comprises one group of elastic arm (28).
12. the inertial oscillation exciter when quoting claim 4 according to claim 11 is characterized by, this coupling compoonent (12) and carriage (9) are annular, and arm (28) is in being connected between coupling compoonent (12) and carriage (9) with along circumferential extension.
13. according to each inertial oscillation exciter among the claim 4-12, it is characterized by, this carriage (9) has one side, its contact member (2).
14. the inertial oscillation exciter according to aforementioned arbitrary claim is characterized by, an axial end (17) of coil-winding die component (4) is arranged in and is installed on a recess (18) of carriage (9).
15. the inertial oscillation exciter according to aforementioned arbitrary claim is characterized by, coil (3) is installed on the outside of coil-winding die component (4).
16. inertial oscillation exciter according to aforementioned arbitrary claim, it is characterized by this magnet assemblies (5,6,7) comprise and be embedded with dish-shaped utmost point spare (6 of relatively roughly being of a magnet (5), 7), this utmost point spare one of them (7) is disposed within the motor coil assembly (3,4) on every side and is adjacent, this utmost point spare another (6) is formed with one on every side to lower flange (8), it is arranged contiguous and around this motor coil assembly (3,4), takes in gap (20) to form a coil.
17. the inertial oscillation exciter when quoting claim 4 according to claim 16 is characterized by, this flange (8) cooperatively interacts with coupling compoonent (12).
18. the inertial oscillation exciter when quoting claim 5 according to claim 17 is characterized by, and a lip (22) is arranged on the flange (8), this lip and this coupling compoonent (12) cooperatively interact, and fixture (13) is arranged on the coupling compoonent (12), and engage lip (22).
19. the inertial oscillation exciter when quoting claim 12 according to aforementioned arbitrary claim is characterized by, a dust seal (10) has been closed loop bracket (9).
20. the inertial oscillation exciter according to aforementioned arbitrary claim is characterized by, this Suspension (24) comprises the integrally formed each other Suspension (28) of a pair of axially spaced-apart.
21. the inertial oscillation exciter according to claim 20 is characterized by, this Suspension to axially spaced-apart (28) and coil bracket (9) and Unitarily molded with a coupling compoonent (12) are to engage and to support this magnet assemblies.
22. the inertial oscillation exciter according to claim 21 is characterized by, this Suspension (28) comprises the elastic arm (28) of each group, and it is respectively relevant with a corresponding coupling compoonent (12).
23. a loudspeaker, it comprises one according to the described inertial oscillation exciter of aforementioned arbitrary claim.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9701983.0 | 1997-01-31 | ||
| GBGB9701983.0A GB9701983D0 (en) | 1997-01-31 | 1997-01-31 | Electro-dynamic exciter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1243653A true CN1243653A (en) | 2000-02-02 |
Family
ID=10806869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN98801886A Pending CN1243653A (en) | 1997-01-31 | 1998-01-30 | Electro-dynamic exciter |
Country Status (31)
| Country | Link |
|---|---|
| EP (1) | EP0956736B2 (en) |
| JP (1) | JP2001509985A (en) |
| KR (1) | KR20000070079A (en) |
| CN (1) | CN1243653A (en) |
| AR (1) | AR011597A1 (en) |
| AT (1) | ATE302538T1 (en) |
| AU (1) | AU725230B2 (en) |
| BG (1) | BG103576A (en) |
| BR (1) | BR9807534A (en) |
| CA (1) | CA2279602A1 (en) |
| CO (1) | CO4771176A1 (en) |
| CU (1) | CU22711A3 (en) |
| DE (1) | DE69831217T3 (en) |
| EA (1) | EA001014B1 (en) |
| EE (1) | EE9900306A (en) |
| GB (1) | GB9701983D0 (en) |
| GE (1) | GEP20012595B (en) |
| HU (1) | HUP0003000A2 (en) |
| ID (1) | ID19842A (en) |
| IL (1) | IL130750A0 (en) |
| MX (1) | MXPA99007004A (en) |
| NO (1) | NO993719L (en) |
| NZ (1) | NZ336497A (en) |
| PL (1) | PL334851A1 (en) |
| SK (1) | SK102299A3 (en) |
| TR (1) | TR199901805T2 (en) |
| TW (1) | TW374285B (en) |
| UA (1) | UA42881C2 (en) |
| WO (1) | WO1998034320A2 (en) |
| YU (1) | YU35899A (en) |
| ZA (1) | ZA98782B (en) |
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| US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US11425499B2 (en) | 2006-02-07 | 2022-08-23 | Bongiovi Acoustics Llc | System and method for digital signal processing |
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| CN108370245A (en) * | 2015-11-16 | 2018-08-03 | 邦吉欧维声学有限公司 | Surface acoustic energy converter |
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