CN109842833A - Speaker - Google Patents
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- CN109842833A CN109842833A CN201711219090.3A CN201711219090A CN109842833A CN 109842833 A CN109842833 A CN 109842833A CN 201711219090 A CN201711219090 A CN 201711219090A CN 109842833 A CN109842833 A CN 109842833A
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- speaker
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- reversing tube
- top cover
- pedestal
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Abstract
This application discloses a kind of speakers.The speaker includes: the lower casing extended along the vertical direction；The top cover of housing tip is set；The pedestal of housing bottom is set, and the pedestal is equipped with hole, and the lower casing, top cover and pedestal form cavity of sound box；With the phase-reversing tube being arranged in the cavity of sound box.The phase-reversing tube extends along the vertical direction, the lower end setting of the phase-reversing tube is connected on the base and with via hole and the speaker outside on pedestal, the distance between the upper end of the phase-reversing tube and the lower surface of the top cover d meet: D/4≤d≤D, wherein D is the interior diameter of phase-reversing tube.In the case where circuit board is arranged below the top cover of speaker, the distance between lower surface of the upper end of phase-reversing tube and top cover d ' meets: D/4≤d '≤D.
Description
Technical field
The present invention relates to speakers, and a kind of particularly phase inverted cabinet with the phase-reversing tube being vertically arranged.
Background technique
Speaker is different by internal structure, can be generally divided into: closed, inverted phase type, labyrinth type, preposition horn type, empty paper
Benzvalene form etc..
Phase inverted cabinet is also known as bass reflex formula speaker, is to use a kind of relatively broad speaker at present.It and it is closed
The difference of speaker is to be mounted with a phase-reversing tube on the panel of speaker, when speaker operation, the sound wave that gives off behind
Front is radiated after phase-reversing tube, superimposed with the sound wave before loudspeaker, then common forward directed radiation, increases low-frequency effect
By force.
But the more closed speaker of the transient response of phase inverted cabinet is poor.In order to improve the transient response of phase inverted cabinet,
Longer phase-reversing tube can be used, and the volume that too long phase-reversing tube correspondingly will lead to speaker increases.In general, phase inverted cabinet
Portability it is poor, speaker is usually placed in specific position.In addition, the difference of paraphase hole site, for putting for speaker
It also proposed certain requirement.For example, speaker rear portion cannot abut wall, and fall when paraphase hole is opened in speaker rear portion
Phase hole is opened in speaker front then and will affect the aesthetic feeling of speaker.
With the increasingly raising of people's living standard, consumer is also higher and higher for the quality requirements of speaker, especially
Bass sound quality.Therefore, while meeting speaker portability requirements, also it is desirable to further increase the bass sound quality of speaker.
Summary of the invention
The purpose of the present invention is to provide a kind of speaker, at least part that can at least solve the above problems.
According to an aspect of the invention, there is provided a kind of speaker.
According to an exemplary embodiment, the speaker can include: the lower casing extended along the vertical direction；It is arranged in shell
The top cover on top；The pedestal of housing bottom is set, and the pedestal is equipped with hole, and the lower casing, top cover and pedestal are formed in speaker
Chamber；With the phase-reversing tube being arranged in the cavity of sound box.The phase-reversing tube extends along the vertical direction, and the lower end of the phase-reversing tube is set
Set on the base and with via on pedestal hole and speaker outside be connected to, under the upper end of the phase-reversing tube and the top cover
The distance between surface meet: D/4≤d≤D, wherein D be phase-reversing tube interior diameter, d be phase-reversing tube upper end with it is described
The distance between lower surface of top cover.
In a further embodiment, the interior diameter of the phase-reversing tube is 20 mm to 22 mm, the upper end of the phase-reversing tube
The distance between lower surface of the top cover is 10 mm to 20 mm.
In another embodiment, the top cover is bolt-connected to bottom cover, and passes through the tension of the bolt, top cover
The top and bottom end of the shell are respectively fixed to pedestal.
In another embodiment, the speaker further includes at least one loudspeaker being arranged in the cavity of sound box, institute
At least one loudspeaker is stated to be fixed to the position for closing on the top cover of the shell and be configured to towards the shell
Outside sounding.
In another embodiment, the speaker includes two loudspeakers, and described two loudspeaker arrangements are at towards phase
Anti- direction sounding.
In another embodiment, the rear portion of described two loudspeakers is relative to each other, and the phase-reversing tube extends past institute
State first side of two loudspeakers；And the speaker further includes being arranged in the cavity of sound box and being installed to the shell
Second circuit board, the second circuit board are equipped with to speaker and provide the input circuit of input data, and second circuit board setting exists
Second side opposite with first side of described two loudspeakers.
In another embodiment, the speaker further includes the battery being arranged on the medium position of the pedestal, the electricity
Pond has the bar shape extended along the vertical direction.
In another embodiment, the speaker further includes the counterweight of setting on the base, and the counterweight has around institute
State the substantially semi-toroidal shape that the periphery of battery extends.
According to another aspect of the present invention, another speaker is provided.
According to an exemplary embodiment, the speaker can include: the lower casing extended along the vertical direction；It is arranged in shell
The top cover on top；First circuit board, the first circuit board are mounted below the top cover and are arranged to and the top cover place
Plane is parallel；The pedestal of housing bottom is set, and the pedestal is equipped with hole, and the lower casing, top cover and pedestal form cavity of sound box；
With the phase-reversing tube being arranged in the cavity of sound box.The phase-reversing tube extends along the vertical direction, the lower end setting of the phase-reversing tube
On the base and with via on pedestal hole and speaker outside be connected to, the upper end of the phase-reversing tube and the first circuit board
The distance between lower surface meet: D/4≤d '≤D, wherein D is the interior diameter of phase-reversing tube, and d ' is the upper end of phase-reversing tube
The distance between lower surface of the first circuit board.
In a further embodiment, the interior diameter of the phase-reversing tube is 20 mm to 22 mm, the upper end of the phase-reversing tube
The distance between lower surface of the first circuit board is 10 mm to 20 mm.
In another embodiment, the top cover is bolt-connected to bottom cover, and passes through the tension of the bolt, top cover
The top and bottom end of the shell are respectively fixed to pedestal.
In another embodiment, the speaker further includes at least one loudspeaker being arranged in the cavity of sound box, institute
At least one loudspeaker is stated to be fixed to the position for closing on the top cover of the shell and be configured to towards the shell
Outside sounding.
In another embodiment, the speaker includes two loudspeakers, and described two loudspeaker arrangements are at towards phase
Anti- direction sounding.
In another embodiment, the rear portion of described two loudspeakers is relative to each other, and the phase-reversing tube extends past institute
State first side of two loudspeakers；And the speaker further includes being arranged in the cavity of sound box and being installed to the shell
Second circuit board, the second circuit board are equipped with to speaker and provide the input circuit of input data, and second circuit board setting exists
Second side opposite with first side of described two loudspeakers.
In another embodiment, the speaker further includes the battery being arranged on the medium position of the pedestal, the electricity
Pond has the bar shape extended along the vertical direction.
In another embodiment, the speaker further includes the counterweight of setting on the base, and the counterweight has around institute
State the substantially semi-toroidal shape that the periphery of battery extends.
Detailed description of the invention
The embodiment of the present invention will be described in conjunction with attached drawing by way of example now, in which:
Fig. 1 is the decomposition perspective view of the speaker of an exemplary embodiment of the present invention；
Fig. 2 is the schematic front view of speaker shown in Fig. 1；
Fig. 3 is the schematic rear view of speaker shown in Fig. 1；
Fig. 4 is the schematic front perspective view of speaker shown in Fig. 1；
Fig. 5 is the back side perspective diagram of speaker shown in Fig. 1；
Fig. 6 is the schematic top plan view of speaker shown in Fig. 1；
Fig. 7 is the elevational schematic view of speaker shown in Fig. 1；
Fig. 8 is the schematic cross-sectional view of the line A-A interception in Fig. 6；
Fig. 9 is the schematic cross-sectional view of the line B-B interception in Fig. 8；With
Figure 10 is the schematic cross-sectional view of the line C-C interception in Fig. 8.
Reference signs list:
1: plain cotton fabric；2: top cover；3: first circuit board；
4: standing screw；5: loudspeaker；6: upper casing；
7: second circuit board；8: input panel；9: portable holder band；
10: lower casing；11: battery；12: phase-reversing tube；
13: counterweight；14: pedestal；15: foot pad；
16: fixture nut；100: speaker；121: phase-reversing tube lower end；
122: phase-reversing tube upper end；141: hole；142: paraphase pipe fixed part；
143: battery fixed part；144: screw rod receiving unit；201: operation portion；
202: screw rod connector；801: fixation member；802: data card slot；
803: data line connectivity port.
Specific embodiment
Exemplary embodiment of the present invention is described in detail below in conjunction with attached drawing.Identical appended drawing reference refers in attached drawing
Identical technical characteristic.The present invention can also be realized with other different forms, therefore embodiment set forth herein should not be explained
For limitation of the invention.These embodiments are provided so that those skilled in the art can sufficiently and completely understand the present invention
Design.
It should be noted that the word "upper" of indicating position used herein, "lower", "left", "right" etc., indicate attached
Situation shown in figure, purpose are merely for convenience of that invention is described, not for limiting the invention.
Fig. 1 to 10 shows speaker 100 according to a preferred embodiment of the present invention.
As shown in figs. 1-7, the speaker 100 of embodiment according to the present invention include: include: extend along the vertical direction shell (packet
Upper casing 6 and lower casing 10 are included, will be explained below)；The top cover 2 of housing tip is set；The bottom of housing bottom is set
Seat 14, wherein pedestal 14 is equipped with hole 141(Fig. 7), lower casing 1, top cover 2 and pedestal 14 form cavity of sound box；With setting in the sound
Phase-reversing tube 12 in box cavity.
As illustrated in figs 1 and 9, phase-reversing tube 12 extends along the vertical direction, and the lower end 121 of phase-reversing tube 12 is arranged in the pedestal 14
It is upper and with via on pedestal 14 hole 141 and speaker outside be connected to, the lower surface of the upper end 122 of phase-reversing tube and the top cover 2 that
This is neighbouring and is spaced a distance.
In order to provide the speaker 100 that a kind of structure is more compact, portable, it may be desirable to the cabinets cavity length of speaker 100
The just slightly larger than length of phase-reversing tube 12.However, needing to make phase-reversing tube to make speaker 100 be capable of providing good bass effect
Upper end 122 and the top cover 2 lower surface between have appropriately distance.
In an embodiment of the present invention, on the one hand, the sound wave air-flow to guarantee sufficient is able to enter phase-reversing tube, phase-reversing tube 12
Upper end 122 and top cover 2 lower surface between the air flow inlet gross area should be greater than equal to phase-reversing tube inner hole sectional area.This
When, the distance between plate should meet relational expression below the upper end 122 of phase-reversing tube 12 and top cover 2: π Dd >=π (D/2)2, thus
D >=D/4 can be calculated.Wherein, π is pi, and D is the interior diameter of phase-reversing tube 12, d be phase-reversing tube 12 upper end 122 with
The distance between plate below top cover 2.D/4 is the reason of the distance between plate d below the upper end 122 and top cover 2 of phase-reversing tube 12
By upper minimum value, that is, the lower surface of top cover 2 be plane, and between the upper end and top cover of phase-reversing tube be not present other
Component or device, and nearby also there is no the interference of other component or component (as shown in the distance d in Fig. 9, it is assumed that in figure
First circuit board 3 other positions in addition to top cover lower surface are set, hereinafter will be further illustrated).For example, in top cover
Lower surface out-of-flatness in the case where, can be used the average height of top cover lower surface calculate phase-reversing tube top and top cover lower surface it
Between distance.
On the other hand, it in actual design, is also possible to be equipped with various internal parts in the cabinet of speaker 12, for example, circuit
Plate, loudspeaker, connecting line etc., therefore can not simply will be between the upper end 122 of phase-reversing tube 12 and the lower surface of the top cover 2
Distance be set as above-mentioned minimum value.When d is closer to D/4, the presence of the various components inside speaker is more possible to meeting pair
The Transient Flow of speaker inner air generates apparent influence, also will affect the bass effect of speaker and causes to generate noise.Cause
This, the distance between plate should be suitably larger than D/4 below the upper end 122 of phase-reversing tube 12 and top cover 2.In this case,
Further consider the factors such as portability, needs the upper limit to the distance between plate below the upper end 122 of phase-reversing tube 12 and top cover 2
Make restriction.The present inventor is comprehensively considering various possible design factors and on the basis for carrying out many experiments
On, the upper limit value of the distance between the upper end 122 of phase-reversing tube 12 and the lower surface of the top cover 2 d are set to D, that is, d≤
D.Show that significant change no longer occur in the sound quality and bass effect of speaker when distance d is greater than D by many experiments, but
It is that speaker whole height becomes larger, is unfavorable for providing compact loudspeaker box structure.In addition, also resulting in bass when distance d is greater than D
Dive degree is insufficient, influences the bass effect of speaker.
Therefore, in an embodiment of the present invention, between the upper end 122 of phase-reversing tube 12 and the lower surface of the top cover 2 away from
D/4≤d≤D is set to from d.
(length and internal diameter of phase-reversing tube are speaker designs in the case where the length and certain internal diameter of phase-reversing tube 12 itself
Important parameter can usually be obtained according to other calculation of design parameters), by by the upper end 122 of phase-reversing tube 12 and the top cover 2
The distance between lower surface d is set as D/4≤d≤D, and the size of speaker 100 in the vertical direction can be made by as far as possible
Ground shortens, to be conducive to the miniaturization of speaker 100, so that the portability of speaker improves, and is reducing the same of enclosure size
When ensure that speaker is capable of providing good sound quality and bass effect.In addition, lower end passes through speaker since phase-reversing tube is vertically arranged
Pedestal with outside be connected to, therefore, the surrounding of speaker does not set opening (paraphase hole), so that speaker almost can be to be randomly oriented
It places at an arbitrary position, whether the bass effect of speaker is had an impact without regard to its placement location (for example, leaning on wall).
In still further illustrative embodiments, speaker 100 may also include the first circuit board 3 for being installed to top cover 12, the
One circuit board 3 is equipped with the control circuit for controlling speaker work.Control circuit for example (can not be shown by appropriate conducting wire in figure
It is connect out) with the loudspeaker 5 of speaker 100, to control the work of loudspeaker 5.
In order to be operated to control circuit, such as can be input operation instruction by user, it can be in the top cover 2 of speaker 100
Upper setting operation portion 201 allows users to input instruction to control circuit by operation portion 201, to control the work of speaker 100
Make.For example, operation portion 201 may include multiple keys, these keys correspond respectively to " to start ", " stopping ", " pause ", " next
One of operation such as head ", " upper one is first ", " F.F. ".In unshowned other embodiments, operation portion 201 also may include
Touch screen operates speaker 100 for that can pass through touch screen.
In the embodiment shown in Fig. 8 and 9, first circuit board 3 is arranged below top cover 2, and first circuit board 3 can lead to
Cross the lower surface (inner surface) that mode appropriate is installed to top cover 2.For example, circuit board 3 be arranged to it is substantially parallel with top cover 2.
In unshowned other embodiments, first circuit board 3 may also be arranged on other positions appropriate in sound equipment 100.For example, first
Circuit board also can be set to see below in second circuit board 7() near, or be mounted in the appropriate space in lower casing 10.
In the case where being arranged first circuit board 3 below top cover 2, the distance between top cover 2 and 12 top of phase-reversing tube d
No longer it is the major consideration of the application speaker design, but needs to set lower surface and the guide pipe 12 of first circuit board 3
The distance between upper end 122 d '.Based on reason similar as above, the lower surface of first circuit board 3 is upper with guide pipe 12
The distance between 122 d ' of end and to meeting following relational expression: D/4≤d '≤D between the interior diameter D of phase-reversing tube 12.
It is several specific examples below, to do specific description to above-described embodiment.
Example 1
Speaker do not have above-mentioned first circuit board 3 or by the first circuit board 3 be arranged in addition to below top cover other are appropriate
Position, phase-reversing tube interior diameter are 20 mm, and the distance between phase-reversing tube upper end and the lower surface of top cover are about 7 mm.Under top cover
Surface is substantially planar, and interferes between top cover and phase-reversing tube upper end without other component.In this case, the bass of speaker
Effect and sound quality are good.
Example 2
Phase-reversing tube interior diameter is 20 mm, and control key is additionally provided on top cover 2 and is equipped with first circuit board 3 below top cover 2,
The distance between the upper end 122 of phase pipe and the lower surface of top cover 2 d are about 8 mm, the upper end 122 of phase-reversing tube and first circuit board 3
Lower surface between average distance d ' be about 5 mm.On presence and the first circuit board 3 for finding first circuit board 3 in experiment
Component setting can significantly influence speaker transient response, cause bass effect to be deteriorated, and noise is caused to occur.
Example 3
Phase-reversing tube interior diameter is 21 mm, and the distance between lower surface of the upper end 122 of phase-reversing tube 12 and top cover 2 d is about 12 mm,
The distance between the upper end 122 of phase-reversing tube 12 and the lower surface of first circuit board 3 being mounted on top cover lower surface d ' are 9 mm.
In the case, the design (for example, layout of circuit and component on circuit board) of circuit board can be to the bass effect of speaker
Generate some adverse effects, for example, upper end opening of the devices such as capacitor on first circuit board 3 apart from phase-reversing tube very close to
In the case of.
Example 4
Phase-reversing tube interior diameter is 21 mm, and the distance between lower surface of the upper end 122 of phase-reversing tube 12 and top cover 2 d is about 18 mm,
The distance between the upper end 122 of phase-reversing tube 12 and the lower surface of first circuit board 3 being mounted on the lower surface of top cover 2 d ' are about
14.6 mm.In this case, the bass effect of speaker and sound quality are outstanding.
Example 5
Phase-reversing tube interior diameter is 22 mm, and upper end 122 and the distance between the lower surface of top cover 2 d of phase-reversing tube 12 is 22 mm,
The distance between the upper end 122 of phase pipe 12 and the lower surface of first circuit board 3 being mounted on 2 lower surface of top cover d ' are 19 mm.
In this case, the bass effect of speaker and sound quality are outstanding, and between phase-reversing tube upper end and circuit board or nearby have abundance
Space for arranging and install other speaker inner parts.
Example 6
Phase-reversing tube interior diameter is 22 mm, the upper end 122 of phase-reversing tube 12 and the first circuit board 3 that is mounted on 2 lower surface of top cover
About 26 mm of the distance between lower surface d '.The bass submerged depth of speaker starts to become insufficient.
By above-mentioned example as can be seen that between phase-reversing tube upper end and the lower surface for being mounted on top cover (or circuit board) away from
From should be carried out in the above-mentioned size relationship range (that is, D/4≤d≤D or D/4≤d '≤D) according to practical situation
Selection appropriate.In particular, in the case where being equipped with circuit board or other component under top cover, should with the circuit board or other
The circuit board or the distance between component and phase-reversing tube top are determined on the basis of component.
In a preferred embodiment of the invention, the diameter D of phase-reversing tube is 21 ± 1 mm, the upper end 122 of phase-reversing tube 12 and the
The distance between the lower surface of one circuit board 3 d is 15 ± 5 mm, and it is highly preferred that distance d is 15 ± 1 mm.
In the embodiment shown in Fig. 1-7, the global shape of speaker 100 is cylindrical.However, speaker 100 and not only
It is limited to cylindrical shape.In unshowned other embodiments, speaker 100 also can have other shapes.For example, speaker is also possible to
Cube shaped, cuboid or the cylindricality with other cross-sectional shapes etc..In a further embodiment, for example, such as Fig. 1
Shown in 5, in order to improve the portability of speaker 100, speaker 100 is designed to the cylindrical that height is greater than diameter.Certainly, sound
Case 100 is also possible to the cylindricality with other cross sections, such as cross section is square, the square of rectangle, chamfering or rounding
Or rectangle etc..In these cases, speaker 100 is designed to the side length that height is greater than square, or the length greater than rectangle
And width, to improve its portability.For the portability for further increasing speaker 100, can also be set on the shell of speaker 100
Set other features for being capable of providing its portability.For example, as described in figures 1 and 5, speaker 100 can have portable holder band 9, so that sound
Case 100 can hang in place or carry by portable holder band 9.
In the exemplary embodiment, in order to which phase-reversing tube 12 to be fixed on pedestal 14, can be arranged on pedestal 14 or shape
At phase-reversing tube mounting portion 142.For example, phase-reversing tube mounting portion 142 can be the tubulose knot of the outer diameter matching of internal diameter and phase-reversing tube 12
Structure, as shown in Fig. 1,8 and 9.The hole 141 may be formed at the bottom of the phase-reversing tube mounting portion 142 of tubulose.The lower end of phase-reversing tube 12
121 are inserted into phase-reversing tube mounting portion 142, and can be fixedly secured on pedestal 14 by interference fit between the two.
After the installation of phase-reversing tube 12 is fixed to the phase-reversing tube mounting portion 142 of pedestal 14, the lower end 121 of phase-reversing tube 12 and pedestal 14
Hole 141 be aligned.
In an embodiment of the present invention, due to improving the portability of speaker 100 by above-mentioned design, speaker is instead resulted in
100 may be fallen from eminence and the possibility damaged.In order to improve the overall structural strength of speaker 100, upper casing 6 and lower casing 10 by
Metal (such as light-weight metal or metal alloy, include but not limited to: aluminium, aluminium alloy, almag etc.) is made.Top cover 2 and bottom
Seat 14 is relative complex due to constructing, and is usually made of plastic material.Additionally, there are top cover 2, pedestal 14 and upper casing 6, lower casing 10 it
Between the problem of being connected and fixed.Although generally can be by being connected together top cover, pedestal onto shell, this mode be needed
Corresponding holding section is further made or formed on metal shell, therefore manufacture craft is complex, and for accurate
It spends more demanding.
In an embodiment of the present invention, as shown in Figure 1, being set on the lower surface of top cover 2 there are four screw rod connector 202, bottom
Four screw rod receiving units 144 are correspondingly provided on the upper surface of seat 14, the upper end of four screw rods 4 is connected respectively on top cover 2
Four screw rod connectors 202, lower end is each passed through the hole in four screw rod receiving units 144 of pedestal 14, then passes through fixture nut 16
Fixed to pedestal 14.Screw rod connector 202 on top cover 2 for example can be real in top cover 2 being embedded in nut in a manner of inserts
It is existing.In this way, passing through the pulling force of standing screw 4, top cover 2 and pedestal 4 are firmly connected to upper casing 6 and lower casing 10 respectively.
As shown in Figure 1, the shell of speaker 100 may include the main casing 10 and upper casing 6 of coaxial arrangement.Main casing 10 is with upper casing 6
The cylindrical shape having the same diameter is the constant cylindrical body of diameter so as to keep speaker 100 on the whole.Specifically have a try
When, will be explained below due to installing loudspeaker 5(in upper casing 6), the peripheral surface of upper casing 6 with loudspeaker 5
The position of alignment would generally open up the array in multiple holes or hole, as shown in Figure 1.It, can be in order to improve the aesthetics of speaker entirety
The diameter of upper casing 6 is made to be slightly less than the diameter of main casing 10, and is arranged one layer of decorative plain cotton fabric 1 in the periphery of upper casing 6, with
Just the hole opened up on upper casing 6 is covered while not influencing loudspeaker sounding.
In unshowned other embodiments, first circuit board can also be arranged on the other positions in speaker.For example,
First circuit board can be fixed to the appropriate location on shell (especially main casing 10) inner surface.As shown in figure 9, in main casing 10
There are still a large amount of space, the mountable peace for not interfering standing screw 4, battery 11 and phase-reversing tube 12 wherein of first circuit board 3
At the position of dress.
In an embodiment of the present invention, as seen in figs. 8-10, speaker 100 further includes being arranged in the cavity of sound box extremely
A few loudspeaker 5.Loudspeaker 5 is fixed to the position of the close top cover 2 of shell and is configured to outside towards the diameter of shell
Side sounding.
Loudspeaker 5 is arranged close to top cover 2 to be advantageous.Due to following table of the upper end 122 apart from top cover 2 of phase-reversing tube 12
Face only has one section of very short distance, as described above, it is contemplated that the size of loudspeaker 5 itself is arranged close to by loudspeaker 5
In the case where top cover 2, vibration wave that the vibrating diaphragm of loudspeaker 5 generates backward will directly, easily enter phase-reversing tube 12.
In this course, the distance of the upper end 122 due to the rear end of loudspeaker 5 apart from phase-reversing tube 12 is close, after loudspeaker 5
A part of vibration wave of side is will not be because of the reflection or interference of speaker inner wall or other component into the transmittance process of phase-reversing tube 12
And weaken, phase-reversing tube paraphase can be quickly entered and be superimposed with loudspeaker positive phase and improve acoustic pressure, remaining reverse phase sound wave passes through
Cavity space buffer to be formed delay sound wave enter phase-reversing tube formed supper bass, so as to improve the bass effect of speaker 100.
In order to effectively further utilize the inner space of speaker 100, and the sounding power and bass effect of speaker are improved,
In the exemplary embodiment, as seen in figs. 8-10, speaker 100 includes two loudspeakers 5 being arranged in cavity of sound box, and
The two loudspeakers 5 are arranged towards opposite direction sounding.As shown in figures 8 and 10, the rear portion of two loudspeakers 5 phase each other
It is right, and phase-reversing tube 12 extends past first side (for example, upside in Figure 10) of two loudspeakers 5.
It is especially advantageous for providing rear portion two loudspeakers 5 positioned opposite to each other.The increasingly stream minimized with speaker
Row, the size of the loudspeaker of speaker are also constantly reducing.And too small loudspeaker can not provide enough air vibration dynamics, because
This bass effect is poor.By relatively installing at two loudspeaker rear portions, when opening speaker, two loudspeakers 5 are carried out together
It mutually vibrates, the vibration of speaker inner air can be enhanced considerably, to be conducive to improve the bass effect of small-size sound box.
The speaker 100 of embodiment according to the present invention can also further comprise second be installed on the inner surface of upper casing 6
Circuit board 7, the second circuit board 7 are equipped with to speaker and provide the input circuit of input data.For the ease of defeated to speaker 100
Enter data, speaker 100 further includes the input panel 8 for being connected to the input circuit and being arranged on shell.Input panel 8 is for example
Fixation member 801(Fig. 3 can be passed through) it is fixed to upper casing 6.The fixation member 801 for example can be screw (Fig. 9).It is being not shown
Other embodiments in, input panel 8 (such as engaging) can also be fixed to upper casing 6 by other means.Input panel 8 can be set
There are various data-in ports, for example, TF card (or Micro-SD card) slot 802 and Micro-USB interface 803 etc..User can
By the way that the TF card for storing audio file to be inserted into slot 802, to provide audio file to be played to speaker 100.With
It family can also be by Micro-USB interface 803 to 100 input audio of speaker.In addition, input circuit can also be further configured
Will be explained below at usable family by the internal battery 11(that the Micro-USB interface is speaker 100) charging.
In order to further make full use of the space in speaker, to obtain compact speaker overall structure, second circuit board 7 can
Second side (downside in Figure 10) opposite with first side (upside in Figure 10) of described two loudspeakers 5 is set.
It can be seen that from Fig. 7-8 since loudspeaker 5, the first electric current version 3 and second circuit board 7 etc. are arranged at speaker
100 top, therefore there are still sufficient spaces for the inner cavity lower part (that is, in main casing 10) of speaker 100.
In the exemplary embodiment, speaker 100 may also include battery 11.Battery 11 is mounted or located at the big of pedestal 14
Cause medium position.For example, the middle part of pedestal 14 can form battery fixed part 143, which is also possible to and battery
The structure that 11 lower end shape matches, the lower end of battery 11 are inserted and fixed in battery fixed part 143.Illustrative real
It applies in example, as shown in FIG. 8 and 9, battery 11 can have the substantially bar shaped or cylindrical extended along the vertical direction.On the one hand,
Battery length can be with long enough, and fully to utilize the lower space of the inner cavity of speaker 100, and the capacity of battery 11 can match
That sets is higher, to improve the cruising ability of speaker.On the other hand, the upper end of battery can closer to first circuit board 3 and/or
Second circuit board 7, to be conducive to the connection between battery and the first and second circuit boards.
In view of being installed in compared with heavy parts the top of speaker due to loudspeaker etc., there is the wind for being easy to topple in speaker
Danger.To solve this problem, in an embodiment of the present invention, speaker 100 further includes the counterweight 13 being arranged on speaker pedestal.?
In exemplary embodiment, counterweight 13 can have the substantially semi-toroidal shape around the extension of the periphery of the battery 11, such as Fig. 1 institute
Show.Counterweight 13 is enabled to be evenly distributed on pedestal 14 in this way, to further be conducive to the stabilization of speaker 100.Counterweight
13 can be fixed on the base by any suitable mode.In an embodiment of the present invention, as shown in Figure 1, counterweight 13 can pass through
Screw is fixed in the corresponding screw hole being arranged on pedestal 14.
In order to be connected to the lower end 121 of phase-reversing tube 12 with the external of speaker 100, settable an appropriate number of branch on pedestal 14
Foot.Alternatively, several foots pad 15 can be arranged on pedestal 14, while providing communication paths for phase-reversing tube 12, can also buffer
Impact of the speaker 100 when placing to sound box bodies, as shown in Figure 1.
Furthermore it should be noted that in unshowned other embodiments, speaker 100 can also only have an entirety
Shell, rather than it is divided into upper casing 6 and lower casing 10 shown in Fig. 1.The split-type design of shell is considered in terms of manufacturing process
Result.Since the top inside speaker 100 needs to install the component such as circuit board 7, loudspeaker 5, therefore upper part of the housing needs
More structure feature is made, and lower part of the housing is then not necessarily to provide other structures feature.Therefore, shell is divided into upper casing 6 under
Shell 10 is conducive to make the upper casing 6 of small volume.Meanwhile lower casing 10 is due to without special structure feature, acceptable quilt
It is further used as or the shell of the speaker for making other models.
Although having been combined attached drawing has shown and described multiple exemplary embodiments, those skilled in the art will be understanding
Know, can to these embodiments, various modifications and variations can be made without departing from the principle and essence of the present invention, because
This, the scope of the present invention should be limited by appended claims and its equivalent technical solutions.
Claims (10)
1. a kind of speaker, comprising:
The lower casing extended along the vertical direction；
The top cover of housing tip is set；
The pedestal of housing bottom is set, and the pedestal is equipped with hole, and the lower casing, top cover and pedestal form cavity of sound box；With
Phase-reversing tube in the cavity of sound box is set,
It is characterized in that, the phase-reversing tube extends along the vertical direction, the lower end setting of the phase-reversing tube on the base and with
Via on pedestal hole and speaker outside be connected to, the distance between lower surface of the upper end of the phase-reversing tube and the top cover is expired
Foot: D/4≤d≤D,
Wherein, D is the interior diameter of phase-reversing tube, and d is the upper end of phase-reversing tube and the distance between the lower surface of the top cover.
2. speaker according to claim 1, wherein the interior diameter of the phase-reversing tube is 20 mm to 22 mm, the paraphase
The distance between the upper end of pipe and the lower surface of the top cover are 10 mm to 20 mm.
3. a kind of speaker, comprising:
The lower casing extended along the vertical direction；
The top cover of housing tip is set；
First circuit board, the first circuit board are mounted below the top cover and are arranged to flat with plane where the top cover
Row；
The pedestal of housing bottom is set, and the pedestal is equipped with hole, and the lower casing, top cover and pedestal form cavity of sound box；With
Phase-reversing tube in the cavity of sound box is set,
It is characterized in that, the phase-reversing tube extends along the vertical direction, the lower end setting of the phase-reversing tube on the base and with
Via on pedestal hole and speaker outside be connected to, between the upper end of the phase-reversing tube and the lower surface of the first circuit board away from
From satisfaction: D/4≤d '≤D,
Wherein, D be phase-reversing tube interior diameter, d ' be phase-reversing tube upper end and the first circuit board lower surface between away from
From.
4. speaker according to claim 3, wherein the interior diameter of the phase-reversing tube is 20 mm to 22 mm, the paraphase
The distance between the upper end of pipe and the lower surface of the first circuit board are 10 mm to 20 mm.
5. speaker according to any one of claim 1 to 4, wherein the top cover is bolt-connected to bottom cover, and
By the tension of the bolt, top cover and pedestal are respectively fixed to the top and bottom end of the shell.
6. speaker according to any one of claim 1 to 4, wherein the speaker further includes being arranged in the speaker
At least one loudspeaker in chamber, at least one described loudspeaker are fixed to the position for closing on the top cover of the shell simultaneously
It is configured to the outside sounding towards the shell.
7. speaker according to claim 6, wherein the speaker includes two loudspeakers, and described two loudspeakers
It is arranged towards opposite direction sounding.
8. speaker according to claim 7, in which:
The rear portion of described two loudspeakers is relative to each other, and the phase-reversing tube extends past the first of described two loudspeakers
Side；And the speaker further includes the second circuit board for being arranged in the cavity of sound box and being installed to the shell, and described
Two circuit boards be equipped with to speaker provide input data input circuit, second circuit board be arranged in described two loudspeakers with
The opposite second side in first side.
9. speaker according to any one of claim 1 to 4, wherein the speaker further includes that the pedestal is arranged in
Battery on medium position, the battery have the bar shape extended along the vertical direction.
10. speaker according to claim 9, wherein the speaker further includes the counterweight of setting on the base, described
Counterweight has the substantially semi-toroidal shape extended around the periphery of the battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219090.3A CN109842833A (en) | 2017-11-28 | 2017-11-28 | Speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711219090.3A CN109842833A (en) | 2017-11-28 | 2017-11-28 | Speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109842833A true CN109842833A (en) | 2019-06-04 |
Family
ID=66881412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711219090.3A Pending CN109842833A (en) | 2017-11-28 | 2017-11-28 | Speaker |
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| Country | Link |
|---|---|
| CN (1) | CN109842833A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060273U (en) * | 1989-09-30 | 1990-08-08 | 赵仁伟 | Sound box with streamlined inverter pipe |
| CN1431848A (en) * | 2003-02-12 | 2003-07-23 | 王明辉 | Sound box with bipyramid acoustic horn built in |
| CN201118984Y (en) * | 2007-11-20 | 2008-09-17 | 东莞市罗德电子有限公司 | A wireless waterproof sound box |
| CN101765039A (en) * | 2009-11-19 | 2010-06-30 | 王强 | Wine bucket shaped loudspeaker box |
| CN201813501U (en) * | 2010-08-03 | 2011-04-27 | 李沫然 | Small-sized sound box structure |
| CN203933920U (en) * | 2014-03-27 | 2014-11-05 | 李良波 | Inverted phase type USB wooden acoustic box |
| CN205622835U (en) * | 2016-05-10 | 2016-10-05 | 深圳纽斯声学系统有限公司 | Low audio amplifier that bottom bass was spoken |
-
2017
- 2017-11-28 CN CN201711219090.3A patent/CN109842833A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2060273U (en) * | 1989-09-30 | 1990-08-08 | 赵仁伟 | Sound box with streamlined inverter pipe |
| CN1431848A (en) * | 2003-02-12 | 2003-07-23 | 王明辉 | Sound box with bipyramid acoustic horn built in |
| CN201118984Y (en) * | 2007-11-20 | 2008-09-17 | 东莞市罗德电子有限公司 | A wireless waterproof sound box |
| CN101765039A (en) * | 2009-11-19 | 2010-06-30 | 王强 | Wine bucket shaped loudspeaker box |
| CN201813501U (en) * | 2010-08-03 | 2011-04-27 | 李沫然 | Small-sized sound box structure |
| CN203933920U (en) * | 2014-03-27 | 2014-11-05 | 李良波 | Inverted phase type USB wooden acoustic box |
| CN205622835U (en) * | 2016-05-10 | 2016-10-05 | 深圳纽斯声学系统有限公司 | Low audio amplifier that bottom bass was spoken |
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Application publication date: 20190604 |
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