CN205081957U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN205081957U CN205081957U CN201520762940.4U CN201520762940U CN205081957U CN 205081957 U CN205081957 U CN 205081957U CN 201520762940 U CN201520762940 U CN 201520762940U CN 205081957 U CN205081957 U CN 205081957U
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- CN
- China
- Prior art keywords
- drain pan
- loud speaker
- top shell
- phonation unit
- sound chamber
- 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.)
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Abstract
The utility model relates to a loudspeaker. Above -mentioned loudspeaker includes phonation unit, top shell, drain pan and sucking disc, the phonation unit sets up on a shell, and the phonation unit is used for vibrating the air and produces the voice signal, top shell and bottom shell connected, the formant chamber, the phonation unit is located the sound intracavity, the drain pan is elastic structure for the telescopic has, and the drain pan receives the exogenic action can transform between fold condition or tensile state, the volume in sound chamber bulky sound chamber when the drain pan is in fold condition when the drain pan is in tensile state, outside the sucking disc is located the sound chamber, sucking disc and drain pan fixed connection. The phonation unit has an audio of the well high pitch of preferred, and when the drain pan was in tensile state, the phonation unit vibration drove top shell vibration, and the top shell drives the drain pan vibration, should vibrate the ripples mainly at the low -frequency range, and the drain pan has elasticity, passes to the mechanical medium that links to each other with the sucking disc through thin sucking disc with this low frequency vibration ripples. Stronger bass is sent in the vibration of machinery medium, has strengthened the bass effect.
Description
Technical field
The utility model relates to the technical field of sound device, particularly relates to a kind of loud speaker.
Background technology
Loud speaker is mainly divided into two classes according to its principle of sound, and a class loud speaker produces voice signal by vibrate air, such as eardrum loudspeaker; Another kind of loud speaker produces voice signal, such as resonance speaker by vibrating machine medium.Air vibration class loud speaker, if desired reach alt and all good effect of bass effect, its volume can be larger, be inconvenient to carry, and manufacturing cost is high.The bass effect of mechanical medium vibration class loud speaker is general better, but cannot have good alt simultaneously.If the two be simply attached in same loud speaker, volume is comparatively large, and cost is higher.
Utility model content
Based on this, be necessary cannot take into account for loud speaker the problem that audio is good, volume is little and cost is low, provide that a kind of audio is good, volume is little and the loud speaker that cost is low.
A kind of loud speaker, comprises phonation unit, top shell, drain pan and sucker; Described phonation unit is arranged in described top shell, and described phonation unit is used for vibrate air and produces voice signal; Described top shell is connected with described drain pan, and form sound chamber, described phonation unit is positioned at described sound chamber; Described drain pan is telescopicly have flexible structure, and described drain pan can convert by External Force Acting between folded state or extended state, and when described drain pan is in extended state, the volume in described sound chamber is greater than the volume in described sound chamber when described drain pan is in folded state; Described sucker is positioned at outside described sound chamber, and described sucker is fixedly connected with described drain pan.
Wherein in an embodiment, described drain pan is flexible material, and described drain pan is the cup-shaped that one end has opening, and described top shell and described drain pan junction are near described opening, described sucker and described drain pan fixed connection place are positioned at the bottom of described drain pan, and described bottom is relative with described opening.
Wherein in an embodiment, also comprise strutting piece, described strutting piece is ring-type; Described drain pan offers the endless groove suitable with described strutting piece near described opening part, and described strutting piece is arranged in described endless groove; Described drain pan is fixedly connected with described top shell by screw.
Wherein in an embodiment, described drain pan and described sucker are flexible glue material, described drain pan comprises the thick flexible glue portion and thin flexible glue portion that alternately connect successively, and all in the form of a ring, place of described thin flexible glue portion forms the bending trace of ring-type for described thick flexible glue portion and described thin flexible glue portion.
Wherein in an embodiment, also comprise strutting piece, described strutting piece is ring-type, and described strutting piece is fixedly connected with the described thick flexible glue portion near described bottom.
Wherein in an embodiment, described sucker comprises sorption face and the back side, and described sorption face is in spill, and the described back side is relative with described sorption face;
The centre position at the described back side is fixedly connected with described drain pan, and described sucker also comprises lug boss, and described boss is in the marginal position at the described back side.
Wherein in an embodiment, also comprise phase-reversing tube, described phase-reversing tube is arranged along the inwall of described top shell, and described top shell offers air vent hole, and one end of described phase-reversing tube is communicated with described pore, and the other end of described phase-reversing tube is communicated with described sound chamber.
Wherein in an embodiment, also comprise waterproof net, described waterproof net is arranged in described top shell, and described waterproof net covers described air vent hole.
Wherein in an embodiment, described waterproof net is provided with T-shaped antivibration pump.
Wherein in an embodiment, also comprise circuit board, battery and wireless communication module, described circuit board, described battery and described wireless communication module are all positioned at described sound chamber, and are all fixedly installed in described top shell; Described phonation unit, described battery and described wireless communication module are all electrically connected with described circuit board.
Above-mentioned loud speaker, phonation unit has preferably alt audio, and when drain pan is in extended state, phonation unit vibration can drive the air vibration in sound chamber on the one hand, improves audio.Phonation unit vibration can also drive top shell to vibrate on the other hand, top shell drives drain pan vibration, and this vibration wave is mainly in low-frequency range, and drain pan has elasticity, this low-frequency vibration ripple is passed to the mechanical medium be connected with sucker by thin sucker, such as glass curtain wall, desktop, door, cupboard, chest etc.Mechanical medium vibrates, and sends stronger bass, strengthens bass effect.Even if drain pan in a stretched state, the volume of above-mentioned loud speaker is also significantly less than other loud speakers of identical tonequality, and in a folded configuration, volume reduces drain pan further, is convenient for carrying.Meanwhile, above-mentioned loud speaker just can realize alt and all good effect of bass by means of only the phonation unit of vibrate air, and structure is simple, cost-saving.
Accompanying drawing explanation
Fig. 1 is the stereogram of the extended state of an embodiment loud speaker;
Fig. 2 is the stereogram of the folded state of loud speaker shown in Fig. 1;
Fig. 3 is the cutaway view of the extended state of loud speaker shown in Fig. 1;
Fig. 4 is the cutaway view of the folded state of loud speaker shown in Fig. 1;
Cutaway view when what Fig. 5 was loud speaker shown in Fig. 1 upwards vibrates;
Cutaway view during the downward vibration that Fig. 6 is loud speaker shown in Fig. 1;
The curve comparison figure that Fig. 7 is the frequency response of loud speaker shown in Fig. 1;
Another cutaway view of the extended state that Fig. 8 is loud speaker shown in Fig. 1;
The A place enlarged diagram that Fig. 9 is loud speaker shown in Fig. 8;
The B place enlarged diagram that Figure 10 is loud speaker shown in Fig. 8;
Another stereogram of the extended state that Figure 11 is loud speaker shown in Fig. 1;
The another stereogram of the extended state that Figure 12 is loud speaker shown in Fig. 1;
Figure 13 is the stereogram of the phase-reversing tube of loud speaker shown in Fig. 1;
Figure 14 is the stereogram of the extended state of another embodiment loud speaker;
The C place enlarged diagram that Figure 15 is loud speaker shown in Figure 14;
Figure 16 is the stereogram of the extended state of another embodiment loud speaker;
Figure 17 is the stereogram of the folded state of loud speaker shown in Figure 16;
The cutaway view of the semi-drawing state that Figure 18 is loud speaker shown in Fig. 1;
The curve comparison figure that Figure 19 is the frequency response of loud speaker shown in Fig. 1.
Embodiment
For the ease of understanding the utility model, below with reference to relevant drawings, loud speaker is described more fully.The first-selected embodiment of loud speaker is given in accompanying drawing.But loud speaker can realize in many different forms, is not limited to embodiment described herein.On the contrary, provide the object of these embodiments be make the disclosure of loud speaker more comprehensively thorough.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present utility model understand usually.The object of the term used in the specification of loud speaker herein just in order to describe specific embodiment, is not intended to be restriction the utility model.
As shown in Figure 1 and Figure 2, the loud speaker 10 of an execution mode comprises phonation unit 100, top shell 200, drain pan 300 and sucker 400.Phonation unit 100 is arranged in top shell 200, and phonation unit 100 produces voice signal for vibrate air, and phonation unit 100 can be eardrum loudspeaker.Simultaneously see Fig. 3, Fig. 4, top shell 200 is connected with drain pan 300, and form sound chamber 500, phonation unit 100 is positioned at sound chamber 500.Drain pan 300 has flexible structure for telescopic, and drain pan 300 can convert by External Force Acting between folded state or extended state, and when drain pan 300 is in extended state, the volume in sound chamber 500 is greater than the volume in sound chamber 500 when drain pan 300 is in folded state.Sucker 400 is positioned at outside sound chamber 500, and sucker 400 is fixedly connected with drain pan 300, and sucker 400 can make loud speaker 10 can adhere on slippery surfaces.
Phonation unit 100 has preferably alt audio, and when drain pan 300 is in extended state, phonation unit 100 vibrates the air vibration that can drive on the one hand in sound chamber 500, improves audio.On the other hand phonation unit 100 vibration can also drive top shell 200 to vibrate, and top shell 200 drives drain pan 300 to vibrate, and the vibration wave that this top shell 200 and drain pan 300 produce is mainly in low-frequency range, and Fig. 5, Fig. 6 are the schematic diagram that top shell 200 drives drain pan 300 and vibrates.Drain pan 300 has elasticity, this low-frequency vibration ripple is passed to the mechanical medium 20 be connected with sucker 400 by thin sucker 400, such as glass curtain wall, desktop, door, cupboard, chest etc.Mechanical medium 20 vibrates, and sends stronger bass, strengthens bass effect.
Fig. 7 is the curve comparison figure of frequency response, and transverse axis is vibration frequency, and unit is Hz (hertz), and the longitudinal axis is intensity of sound, and unit is dB (decibel).Curve a is under drain pan 300 is in folded state, and when loud speaker 10 is placed on soft carpet, intensity of sound test curve.Curve b is under drain pan 300 is in extended state, and when loud speaker 10 is placed on soft carpet, intensity of sound test curve.Curve c is under drain pan 300 is in extended state, and when loud speaker 10 is placed on wooden case (mechanical medium 20), intensity of sound test curve.
Can obviously find out in Fig. 7, in the scope of 60Hz to 200Hz, the intensity of sound under extended state is obviously better than the intensity of sound under folded state.Under being in extended state together, intensity of sound when being positioned on mechanical medium 20 is obviously better than intensity of sound when not being positioned on mechanical medium 20.
Even if drain pan 300 in a stretched state, the volume of the present embodiment loud speaker 10 is also significantly less than other loud speakers of identical tonequality, and in a folded configuration, volume reduces drain pan 300 further, is convenient for carrying.Simultaneously, simply be attached in same loud speaker compared to air vibration class loud speaker and mechanical medium 20 being vibrated class loud speaker in conventional art, compare respectively to get its audio strong point, the present embodiment loud speaker 10 just can realize alt and all good effect of bass by means of only the phonation unit 100 of vibrate air, structure is simple, volume is little, cost-saving.
Wherein in an embodiment, drain pan 300 is flexible material, and drain pan 300 has the cup-shaped of opening in one end, and top shell 200 and drain pan 300 junction are near opening, and sucker 400 and drain pan 300 fixed connection place are positioned at the bottom of drain pan 300, and bottom is relative with opening.In other embodiments, drain pan 300 also can comprise spring structure, realizes scalable and have elasticity by spring structure.
Further, simultaneously see Fig. 8, in the present embodiment, drain pan 300 and sucker 400 can be flexible glue material, such as silica gel.Drain pan 300 comprises the thick flexible glue portion 320 and thin flexible glue portion 340 that alternately connect successively, and all in the form of a ring, place of thin flexible glue portion 340 forms the bending trace of ring-type for thick flexible glue portion 320 and thin flexible glue portion 340.Time folding, place of thin flexible glue portion 340 inwardly or outwards bends, and during stretching, there is restorable trend at place of thin flexible glue portion 340, thus realizes flexible.Because thick flexible glue portion 320 is alternately connected with thin flexible glue portion 340, the elasticity of drain pan 300 entirety can be improved, improve the oscillation intensity of mechanical medium 20.
Sucker 400 can be adsorbed on the back side of mobile phone or panel computer, and drain pan 300 bending makes to form certain angle between sucker 400 and top shell 200, and loud speaker 10 can be used as the support of mobile phone or panel computer.
Simultaneously see Fig. 9, wherein in an embodiment, loud speaker 10 can also comprise the first strutting piece 600a, and the first strutting piece 600a is ring-type, such as iron ring, and the first strutting piece 600a is fixedly connected with the thick flexible glue portion 320 near bottom.Can offer the endless groove suitable with the first strutting piece 600a near the thick flexible glue portion 320 of bottom, the first strutting piece 600a is arranged in endless groove.First strutting piece 600a is set, can deformation of bottom be prevented on the one hand, make bottom keep circular, drain pan 300 can be made on the other hand to be easy to stretch, the volume in convenient adjustment sound chamber 500.
Simultaneously see Figure 10, wherein in an embodiment, loud speaker 10 can also comprise the second strutting piece 600b, and the second strutting piece 600b is ring-type, such as iron ring.Drain pan 300 offers the endless groove suitable with the second strutting piece 600b near opening part, and the second strutting piece 600b is arranged in endless groove.Top shell 200 is generally hard material, arranges the flexible glue that the second strutting piece 600b can push down opening part, is fixed in top shell 200 with stable.Simultaneously see Figure 11, in one embodiment, drain pan 300 is fixedly connected with top shell 200 by screw 700.Second strutting piece 600b relative set can dodge the breach of screw 700, and screw 700 can pass breach, thus makes connection more stable.
Sucker 400 comprises sorption face and the back side, and sorption face is in spill, and the back side is relative with sorption face.Wherein in an embodiment, the centre position at the back side is fixedly connected with drain pan 300, and simultaneously see Figure 12, sucker 400 can also comprise lug boss 420, and lug boss 420 is positioned at the marginal position at the back side.When sucker 400 is attached on the smooth surface of mechanical medium 20, be not easy to take off, now only need to catch lug boss 420, lifting gently, enter air between the sorption face of sucker 400 and mechanical medium 20, sucker 400 can promptly be separated with mechanical medium 20, conveniently takes off loud speaker 10.
Simultaneously see Fig. 1 to Fig. 4, Fig. 8, and Figure 12, Figure 13, wherein in an embodiment, loud speaker 10 can also comprise phase-reversing tube 820, phase-reversing tube 820 is arranged along the inwall of top shell 200, and top shell 200 offers air vent hole 220, one end of phase-reversing tube 820 is communicated with pore, the other end of phase-reversing tube 820 is communicated with sound chamber 500, and air vent hole 220 is communicated with sound chamber 500 by phase-reversing tube 820.Phase-reversing tube 820 can strengthen bass, also can stretch, compression or folding time, play the effect of air-breathing and exhaust.Phase-reversing tube 820 can be put along the circumferential ring winding of the inwall of top shell 200, and preferably, the length of phase-reversing tube 820 can be 1/3rd of this circumference.
Simultaneously see Figure 14, Figure 15, wherein in an embodiment, loud speaker 10 can also comprise waterproof net 840, and waterproof net 840 is arranged in top shell 200, and waterproof net 840 covers air vent hole 220.Waterproof net 840 is gas permeable materials, such as cloth.Arranging waterproof net 840 can either air-breathing and exhaust, again can waterproof.But fabric waterproof net 840 when playing music, some frequency can resonate, and produces noise.Therefore, further, in one embodiment, waterproof net 840 can be provided with T-shaped antivibration pump 860, antivibration pump 860 can be flexible glue block, to eliminate the noise that resonance sends.
Simultaneously see Figure 16, Figure 17, wherein in an embodiment, loud speaker 10 also comprises circuit board, battery and wireless communication module, and circuit board, battery and wireless communication module are all positioned at sound chamber 500, and is all fixedly installed in top shell 200.Phonation unit 100, battery and wireless communication module are all electrically connected with circuit board.The preferred bluetooth communication of wireless communication module, top shell 200 can be arranged the Bluetooth switch 920 for opening or close bluetooth communication.Certainly, top shell 200 can also be arranged volume tunes up switch 940, volume turns switch 960 down and for opening or the master switch 980 of mute speaker 10.Above-mentioned Bluetooth switch 920, volume tune up switch 940, volume turns switch 960 down and master switch 980 is all electrically connected with circuit board.Top shell 200 can also be arranged the data-interface 990 be connected with circuit board, for charging or transmission data.
Simultaneously see Figure 18, find in research process, drain pan 300 is in semi-drawing state as shown in figure 18, and sucker 400 is connected during mechanical medium 20, intensity of sound is apparently higher than other states.Be the curve comparison figure of frequency response see Figure 19, Figure 19, transverse axis is vibration frequency, and unit is Hz (hertz), and the longitudinal axis is intensity of sound, and unit is dB (decibel) simultaneously.Curve a is under drain pan 300 is in folded state, and when loud speaker 10 is placed on soft carpet, intensity of sound test curve.Curve b is under drain pan 300 is in extended state, and when loud speaker 10 is placed on soft carpet, intensity of sound test curve.Curve c is under drain pan 300 is in extended state, and when loud speaker 10 is placed on wooden case (mechanical medium 20), intensity of sound test curve.Curve d is under drain pan 300 is in semi-drawing state, and when loud speaker 10 is placed on wooden case (mechanical medium 20), intensity of sound test curve.Can obviously find out in Figure 19, in the scope of below 200Hz, the intensity of sound under semi-drawing state is obviously better than the intensity of sound under extended state, and the intensity of sound under extended state is obviously better than the intensity of sound under folded state.
Above embodiment only have expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (10)
1. a loud speaker, is characterized in that, comprises phonation unit, top shell, drain pan and sucker; Described phonation unit is arranged in described top shell, and described phonation unit is used for vibrate air and produces voice signal; Described top shell is connected with described drain pan, and form sound chamber, described phonation unit is positioned at described sound chamber; Described drain pan is telescopicly have flexible structure, and described drain pan can convert by External Force Acting between folded state or extended state, and when described drain pan is in extended state, the volume in described sound chamber is greater than the volume in described sound chamber when described drain pan is in folded state; Described sucker is positioned at outside described sound chamber, and described sucker is fixedly connected with described drain pan.
2. loud speaker according to claim 1, it is characterized in that, described drain pan is flexible material, described drain pan is the cup-shaped that one end has opening, described top shell and described drain pan junction are near described opening, described sucker and described drain pan fixed connection place are positioned at the bottom of described drain pan, and described bottom is relative with described opening.
3. loud speaker according to claim 2, is characterized in that, also comprises strutting piece, and described strutting piece is ring-type; Described drain pan offers the endless groove suitable with described strutting piece near described opening part, and described strutting piece is arranged in described endless groove; Described drain pan is fixedly connected with described top shell by screw.
4. loud speaker according to claim 2, it is characterized in that, described drain pan and described sucker are flexible glue material, described drain pan comprises the thick flexible glue portion and thin flexible glue portion that alternately connect successively, all in the form of a ring, place of described thin flexible glue portion forms the bending trace of ring-type for described thick flexible glue portion and described thin flexible glue portion.
5. loud speaker according to claim 4, is characterized in that, also comprises strutting piece, and described strutting piece is ring-type, and described strutting piece is fixedly connected with the described thick flexible glue portion near described bottom.
6. loud speaker according to claim 1, is characterized in that, described sucker comprises sorption face and the back side, and described sorption face is in spill, and the described back side is relative with described sorption face;
The centre position at the described back side is fixedly connected with described drain pan, and described sucker also comprises lug boss, and described boss is in the marginal position at the described back side.
7. loud speaker according to claim 1, is characterized in that, also comprises phase-reversing tube, described phase-reversing tube is arranged along the inwall of described top shell, described top shell offers air vent hole, and one end of described phase-reversing tube is communicated with described pore, and the other end of described phase-reversing tube is communicated with described sound chamber.
8. loud speaker according to claim 7, is characterized in that, also comprises waterproof net, and described waterproof net is arranged in described top shell, and described waterproof net covers described air vent hole.
9. loud speaker according to claim 8, is characterized in that, described waterproof net is provided with T-shaped antivibration pump.
10. the loud speaker according to any one of claim 1 to 9, it is characterized in that, also comprise circuit board, battery and wireless communication module, described circuit board, described battery and described wireless communication module are all positioned at described sound chamber, and are all fixedly installed in described top shell; Described phonation unit, described battery and described wireless communication module are all electrically connected with described circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520762940.4U CN205081957U (en) | 2015-09-29 | 2015-09-29 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520762940.4U CN205081957U (en) | 2015-09-29 | 2015-09-29 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205081957U true CN205081957U (en) | 2016-03-09 |
Family
ID=55434327
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520762940.4U Expired - Fee Related CN205081957U (en) | 2015-09-29 | 2015-09-29 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205081957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559726A (en) * | 2015-09-29 | 2017-04-05 | 思码威科技有限公司 | Loudspeaker |
-
2015
- 2015-09-29 CN CN201520762940.4U patent/CN205081957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106559726A (en) * | 2015-09-29 | 2017-04-05 | 思码威科技有限公司 | Loudspeaker |
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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: 20160309 Termination date: 20210929 |