CN1728884A - Bass type loudspeaker system - Google Patents

Bass type loudspeaker system Download PDF

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Publication number
CN1728884A
CN1728884A CN 200410050919 CN200410050919A CN1728884A CN 1728884 A CN1728884 A CN 1728884A CN 200410050919 CN200410050919 CN 200410050919 CN 200410050919 A CN200410050919 A CN 200410050919A CN 1728884 A CN1728884 A CN 1728884A
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CN
China
Prior art keywords
conduit
mentioned
speaker system
low
clothes closet
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
Application number
CN 200410050919
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Chinese (zh)
Inventor
李宰源
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Electronics Huizhou Co Ltd
Original Assignee
LG Electronics Huizhou Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Electronics Huizhou Co Ltd filed Critical LG Electronics Huizhou Co Ltd
Priority to CN 200410050919 priority Critical patent/CN1728884A/en
Publication of CN1728884A publication Critical patent/CN1728884A/en
Pending legal-status Critical Current

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Abstract

The disclosed bass type loudspeaker system is capable of adjusting bass from loudspeaker to individual pleased sound quality. Parts of loudspeaker and guide tubes are setup at specific position in vertical cabinet. Guide tubes in identical inside diameter are led to front and back directions of the cabinet. Length of guide tubes can be adjusted. Support parts of guide tubes are inside the cabinet. First screw line is formed inside end mouth. Supported by support parts of guide tubes, second screw line is combined with the first screw line. Means of adjustment include the said guide tubes, the support parts and screw lines. Moreover, concave convex slots are formed along long direction of the guide tubes.

Description

Low figure speaker system
[technical field]
The application is relevant loud speaker, and particularly the bass that will send from loud speaker is adjusted to the low figure speaker system of the tonequality that the individual likes.
[background technology]
In general, loud speaker (Speaker) is meant the terminal installation of pronunciation, can be divided into set of speakers (Speaker Unit) and speaker system (Speaker System) on the stricti jurise.Set of speakers is the parts that the copper cash that impales by magnetite with it and jolting plate constitute.Speaker system is that many set of speakers are combined in the audio amplifier, and comprises a kind of external member of the port that can be connected with loudspeaker, and these are exactly so-called speaker system.
The high pitch of shunting in the above-mentioned loud speaker, middle pitch, bass are to be distinguished by the frequency of using, with high pitch, and middle pitch, the frequency time point of bass shunting is called exchange point (Crossover point).Exchange point is divided into high pitch, middle pitch, bass to frequency, and this can be handled by channel subdivider (Channel divider).
By the high pitch that channel subdivider is shunted, middle pitch, bass signal send by loud speaker after by power ampere (Power amp) amplification.At this moment above-mentioned high pitch, middle pitch, the frequency band of bass produces difference, so in order on same signal is former, to generate high pitch simultaneously, middle pitch, bass, just need to install high section transmission filter (HPF), stage casing transmission filter (BPF), low section transmission filter (LPF).The signal that these are filtered by each filter (filter), each is spread out of by loud speaker after with power expander amplification by high pitch, middle pitch, bass.
The structure of general loud speaker is the magnetic wires portion that is made of chains that include magnetite (YOKE) and the bobbin (BOBBIN) that twined by copper wire; The oscillating plate that around the upper end of magnetic wires portion, connects inner rim; Regulate the vibration absorber of above-mentioned oscillating plate and the fixing framework of vibration absorber one end; The edge of the last end periphery of fixing above-mentioned oscillating plate is formed.
Low figure speaker system 100 in the past mostly is the bass reflex speaker system greatly.These low figure speaker systems as shown in Figure 1 and Figure 2, front buffer board 101 has loudspeaker assembly 110 with screw system, in its lower end conduit 120 is installed.The internal diameter of above-mentioned conduit 120 and length depend on clothes closet 102 volumes and the desired frequency characteristic of speaker system, and the installation site is according to designer's experience decision.The installation site of above-mentioned conduit 120 sometimes also can be in the rear or the bottom of clothes closet.
According to such structure, as shown in Figure 2, if the 100 running approvals of above-mentioned speaker system are connected the circuit signal 115 of the loudspeaker assembly 110 of clothes closet 110, electric power signal can flow out electric current to loudspeaker assembly 110 copper wire coils 115.The signal of the copper wire coil 115 circulation alternating currents in the magnetic wires is produced strength according to the flanders lefft-hand rule under the interaction of magnetite 116, and this strength pair loudspeaker circular cone paper 111 that combines with copper wire coil 115 and dust cover 112 produce vibration.The vibration meeting of above-mentioned loudspeaker circular cone paper 111 produces vibration to the air adjacent with circular cone paper, thereby produces volume.That is, loud speaker rises to attend the meeting electric energy is changed into the machine energy, is converted to the effect of the sound equipment energy more again.
Here, bass reflex type loudspeaker system 100 can be created in the volume of loudspeaker assembly front end generation and two kinds of sound of being empathized by clothes closet 102, conduit 120.That is, it is to form with the textural association that radiates sound in the middle of loudspeaker assembly 110 and the conduit 120, therefore can keep improving the specific advantage of bass.
As above-mentioned said loud speaker in the past, loudspeaker assembly 110 is attached to clothes closet 102 after, in order to keep the bass audio, need to install other conduit 120.Such conduit 120 can only be provided with its degree of depth according to the characteristic of loud speaker.
But conduit 120 length and the degree of depth that are provided with separately on the clothes closet 102 are to be certain all the time to the user, so the bass characteristic that produces in the woofer is certain all the time, cause thus no matter user's inclination can only be listened same audio all the time.
[summary of the invention]
The application proposes in order to address the above problem, and its objective is the low figure speaker system that the catheter length (or degree of depth) that can regulate woofer is provided.
The application's purpose is to provide the conduit that is arranged on the clothes closet certain position, guides in the middle of the above-mentioned clothes closet to move forward and backward, and makes it can be to regulate the low figure speaker system that the catheter length means combine.
In addition, the application be in the middle of the clothes closet for the length of adjusting conduit adopts screw line mode, making it can mobile conduit be the low figure speaker system of feature.
The application is in order to adjust the length of conduit, conduit to be floated with the column type image of different inner diameters, according to the overlapping numerical value of conduit, being close to the low figure speaker system of expansion.
Low figure speaker system in order to achieve the above object is
Be to possess the speaker system of loudspeaker assembly and conduit,
Above-mentioned conduit constitutes with same internal diameter, can be in the front and back of clothes closet all removable guiding, comprise that the catheter length regulating measure is characteristics.
Above-mentioned conduit regulating measure comprises with introversion gives prominence at above-mentioned clothes closet front end, encloses the conduit support sector that forms the screw line in its end face; The conduit that forms corresponding another screw line with the direction and the above-mentioned screw line of length along the conduit external diameter this as characteristics.
Above-mentioned conduit is the leading portion portion with horn, forms the central part of screw line in the periphery; Prevent with the disengaging outwards outstanding that stopper is integral and be characteristics in the rear end.
Above-mentioned catheter length adjustment means are to comprise with along the conduit support sector of clothes closet inside and the external diameter of above-mentioned conduit itself, and the tongue and groove and the projection that form with length direction are characteristics.
Low figure speaker system according to the application is
The speaker system that on the assigned position of clothes closet, possesses loudspeaker assembly and conduit,
The characteristics of above-mentioned conduit comprise that can move forward and backward and float to clothes closet be means.
Above-mentioned unsteady means are to be its feature with the conduit of cylinder form by different mutually internal diameters is overlapping.
The application is when combining with clothes closet according to the length of conduit and prescribed depth, make every effort to comprise that above-mentioned conduit moves forward and backward from clothes closet, thereby can regulate the means of the conduit degree of depth and, regulate the low figure speaker system of the means of the conduit degree of depth again according to the overlapping degree of catheter length.
As above-mentioned said low figure speaker system according to the application is to adjust the length of conduit, makes the direct listening of consumer and be adjusted to separately the effect of the middle bass of being willing to.
[description of drawings]
Fig. 1 is the oblique view of the low figure speaker system of prior art.
Fig. 2 is the cross-sectional side view of the low figure speaker system of prior art.
Fig. 3 is the low figure speaker system cross-sectional side view according to the application.
Fig. 4 is the cross-sectional side view of regulating the catheter length of Fig. 3.
Fig. 5 is the bass characteristic variations curve chart when adjusting Fig. 3 catheter length.
Fig. 6 is the cross-sectional side view according to the application's low figure speaker system.
Fig. 7 is a cross-sectional side view of adjusting Fig. 6 catheter length.
Fig. 8 is the conduit oblique view according to the application.
Fig. 9 is the conduit sectional drawing of Fig. 8.
[embodiment]
Following with reference to description of drawings.
Fig. 3 and Fig. 1 are the cross-sectional side view according to the application's low figure speaker system, also are the state diagrams that moves forward and backward of conduit.
With reference to Fig. 3 and Fig. 4, be with clothes closet 202; Be connected in the loudspeaker assembly 210 of the engagement groove 201a of front end buffer board 201; In the conduits join groove 205 of above-mentioned clothes closet 202 1 ends formation and side-prominent within it conduit support sector 203; Formed with the conduit 220 that for example certain and certain internal diameter combines with conduit support sector 203 usefulness screws in above-mentioned conduit support sector 203.
Above-mentioned here conduit support sector 203 be with port to the inside direction formed the structure of the 1st screw line 204.
In addition, conduit 220 is by the leading section 221 that forms with horn shape; 204 that combine along external diameter, as to form the second screw line 223 central part 222 with the first screw line of length direction and conduit support sector 202; In order to prevent to break away from, form to the rearward end 224 of outside outstanding 225 from above-mentioned conduit support sector 202.
Aforesaid woofer system specialization according to present application example is as follows.
With reference to Fig. 3 and Fig. 4, have loudspeaker assembly 210 at front end buffer board 201 with screw, be provided with conduit 220 at its downside.The internal diameter of conduit 220 and length depend on the volume and the desired frequency characteristic of loud speaker of clothes closet 202, and designer's experience is depended in the installation site.Above-mentioned conduit 220 back or the bottom that the position can be arranged on clothes closet be set.
At this, above-mentioned conduit 220 is forming clothes closet 202 front ends of seal cavity, combines with screw with outstanding to the inside conduit support sector 203, and conduit 220 can be along screw line rotating operation, thereby can move forward and backward.
Particularly, loudspeaker assembly 210 lower ends of clothes closet 202 form conduit support sector 203 with the degree of depth of conduits join groove 205 regulation, form the first certain screw line 204 at the port inner rim of above-mentioned conduit support sector 203.
Form the length of regulation with certain internal diameter with this corresponding conduit 220.Catheter proximal end 221 forms horn shape, and central part 222 forms along the length direction of external diameter with conduit at the peripheral second screw line 223.In addition, rear end 224 forms the anti-detent plug 225 of outstanding laterally disengaging.
So when in order to adjust sound conduit 220 being rotated according to clockwise direction, conduit 220 is moved forward by the 1st screw line 204 and the second screw line 223, the length L 11 of conduit can shorten thereupon.In addition, when conduit 220 is continued rotation, just as shown in Figure 4 be to form the structure that the field end of screw line (204.223) is hung, and length L 12 basically identicals of inner conduit length L 11 and conduit support sector 103.The anti-detent plug 225 of the outside of back segment portion 224 disengaging at this moment can be suspended on the port of conduit support sector 203, thereby prevents that conduit from again can't move forward.
On the contrary, when the opposite spin, conduit 220 is moved by the 1st screw line 204 and the 2nd screw line 223 backward directions with conduit 220, and this moment, the length L 11 of conduit can be elongated.When continuing rotary guide pipe 220, will image pattern 3.This moment, the horn shape because of leading section 221 can tangle conduit, can't move backward thereby lose.
So conduit 220 is regardless of being clockwise or being rotated counterclockwise that the length of the adjustment conduit 220 that the user can achieve one's goal is used.
According to such structure, as shown in Figure 3, the operating in of above-mentioned speaker system 200 be connected with clothes closet 202 loudspeaker assembly 210 approval electric power signals the time, electric power signal is with copper wire coil 215 circulating currents of loudspeaker assembly 210.When in the middle of the copper wire coil on the magnetic wires 215 during alternating electromotive force, with the interaction of magnetite 216 under, produce strength.This strength pair loudspeaker circular cone paper 211 that combines with copper wire coil 215 and dust cover 212 produce vibration.The air that the vibration meeting image of loudspeaker circular cone paper 211 is adjacent with it produces vibration, thereby produces sound.That is, loud speaker rises to attend the meeting electric energy is changed into the machine energy, is converted to the effect of the sound equipment energy more again.
Simultaneously, low figure speaker system 200 can be created on the volume of loudspeaker assembly 210 front ends generation and the sound of being empathized by clothes closet 202, conduit 220.That is, it is to form with the textural association that radiates sound in the middle of loudspeaker assembly 210 and the conduit 220, therefore can keep improving the specific advantage of bass.
Here in order to adjust the characteristic of conduit 220 sound variation, the user can be according to own desirable length adjustment conduit 220.That is, with conduit 220 usefulness screw lines 204.223 to clockwise or be rotated counterclockwise and adjust on the desirable position and length.
Simultaneously, characteristic variations curve chart as shown in Figure 5, with catheter length L11 according to the desired 0CM of user, 10CM, 20CM or when product turnout, adjust.
In the middle of example, above-mentioned conduit 220 preferably be made into screw type, relatively easily rotary guide pipe, form good at leading section 221 with the form of projection or groove.Rotate in order to be more prone to simultaneously, can be the whole periphery of conduit 220 central parts 222, the interval of adjusting the screw line fully, and concaveconvex shape also can form gradually along outer electrical path length.Perhaps form guide protrusion or guiding groove with length direction.
The 2nd example
Fig. 6, Fig. 7 are the application's the 2nd examples.
Image pattern 6, shown in Figure 7, conduit 320 are to be the center with the leading portion internal diameter, the overlapping structure of mode that a plurality of conduit part 321 ~ 325 that diminish gradually to the multiport internal diameter are floated.
Above-mentioned conduit 320 constitutes horn shape with the 1st conduit part 321 of leading portion portion.Therefore the upper end external diameter R1 of the 2nd conduit part 322 presents the upper end that the fixing lower end in the 1st conduit part 321 clips the 2nd conduit part 322 than the little structure of hypomere internal diameter of the 1st conduit part 321, makes it and can't move to the inside.The upper end external diameter R2 of same the 3rd conduit part 323 is than the little structure of internal diameter of the 2nd conduit part 322 lower ends, the upper end external diameter R3 structure littler than the bottom diameter of the 3rd conduit part 323 of the 4th conduit part 324, the upper end external diameter R4 of the 5th conduit part 325 is than the little structure of the 4th conduit part 324 bottom diameters.
Simultaneously, as shown in Figure 7, the inboard of the 1st conduit part 321 can be overlapping with the 2nd to the 5th conduit part 322~325 structure, the inboard of the 2nd conduit part 322 can with the structure of 323~325 overlapping of the 3rd to the 5th conduit part, the 3rd conduit part 323 can with the 4th and the 5th conduit part 324.325 the 4th conduit part 324 and the 5th conduit part 325 structures.
So, launch the 1st conduit part 321 the 2nd to the 5th conduit part 322~325, in the time of overlapping all 4, in the time of overlapping 3, in the time of overlapping 2, the situation in the time of overlapping, the length of conduit will change.
So the variation of catheter length can cause the sound variation of sending in the speaker system, and the user can achieve one's goal and adjust its length (degree of depth).
Conduit 320 not necessarily all comprises 5 conduit part 321~325 and forms, and has plural conduit part at least but can form, separately size that can be same or different size compositions.In addition, 321~325 pairs of adjacent conduit part of each conduit part and contact-making surface can adopt screw connected mode or concaveconvex shape.
As an example, as other examples beyond the 2nd example, as Fig. 8 and shown in Figure 9, also can form as telescopical shape, break away from order to prevent when overlapping between the conduit part 321~325, can break away from anti-detent plug 326 by peripheral formation in the lower end of the 2nd to the 5th conduit part 322~325, when overlapping between the conduit as the anti-detent plug 326 of above-mentioned disengaging, can be in order to impel importing at the inboard insertion groove 327 that forms anti-detent plug platform in the lower end of the 1st to the 4th conduit part 321~324.
Then, shown in Fig. 9 (a), launch conduit part 321 ~ 325 o'clock, mutually different internal diameter constitutes the structure that can not break away from, and shown in Fig. 9 (b), overlapping conduit part 321 ~ 325 o'clock, inserts anti-detent plug 326 at mode plug insertion groove 327, and it can't be broken away to the upper end.
Like this, several times (2 times of examples) of the maximum in the past expansion of depth ratio of conduit can be adjusted to the degree of depth of achieving one's goal with a loud speaker, make the consumer directly listen sound and be adjusted to the middle bass of oneself liking.

Claims (7)

1, low figure speaker system comprises loudspeaker assembly and conduit, it is characterized in that,
Above-mentioned conduit comprises it being to constitute with same internal diameter, can move the catheter length of guiding to the fore-and-aft direction of clothes closet and adjust means.
2, low figure speaker system according to claim 1 is characterized in that,
Above-mentioned catheter length adjustment means form the conduit support sector of screw line with, its port inner rim outstanding to inside at above-mentioned clothes closet front end and along the conduit external diameter with length direction, form conduit itself with the corresponding screw line of above-mentioned screw line.
3, low figure speaker system according to claim 1 is characterized in that,
Above-mentioned conduit is the leading section with horn shape, the central part that forms with the screw line in the periphery, and the disengaging of outwards protruding in rearward end prevents that stopper is integral.
4, low figure speaker system according to claim 2 is characterized in that,
The adjustment means of above-mentioned catheter length are with the conduit support sector of clothes closet inside and along the groove and the projection of the concaveconvex shape that the external diameter of above-mentioned conduit own is formed with length direction.
5, low figure speaker system, the assigned position that is included in clothes closet possesses loudspeaker assembly and conduit, it is characterized in that,
Above-mentioned conduit is a plurality of different internal diameters to be arranged, move so that the fore-and-aft direction of clothes closet is overlapping, thereby can adjust catheter length.
6, low figure speaker system according to claim 5 is characterized in that,
Above-mentioned conduit is by different internal diameters, has a plurality of column type conduit part to constitute, and adjusts catheter length according to the heavy degree of conduit part separately.
7, low figure speaker system according to claim 6 is characterized in that,
Overlapping in order to be able in the conduit part of closing on, comprise the groove that breaks away from anti-detent plug and import the anti-detent plug of disengaging.
CN 200410050919 2004-07-27 2004-07-27 Bass type loudspeaker system Pending CN1728884A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200410050919 CN1728884A (en) 2004-07-27 2004-07-27 Bass type loudspeaker system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200410050919 CN1728884A (en) 2004-07-27 2004-07-27 Bass type loudspeaker system

Publications (1)

Publication Number Publication Date
CN1728884A true CN1728884A (en) 2006-02-01

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Application Number Title Priority Date Filing Date
CN 200410050919 Pending CN1728884A (en) 2004-07-27 2004-07-27 Bass type loudspeaker system

Country Status (1)

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CN (1) CN1728884A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104053080A (en) * 2013-03-15 2014-09-17 雅马哈株式会社 Bass reflex port and tubular body
CN109196880A (en) * 2016-04-29 2019-01-11 柏林之声音频系统有限公司 Bass reflex pipe for loudspeaker

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104053080A (en) * 2013-03-15 2014-09-17 雅马哈株式会社 Bass reflex port and tubular body
CN104053080B (en) * 2013-03-15 2018-11-23 雅马哈株式会社 Bass-reflex port and tube body
CN109196880A (en) * 2016-04-29 2019-01-11 柏林之声音频系统有限公司 Bass reflex pipe for loudspeaker
RU2719636C1 (en) * 2016-04-29 2020-04-21 Бурместер Аудиосистем ГмбХ Blow-out pipe for loudspeaker
US10681456B2 (en) 2016-04-29 2020-06-09 Burmester Audiosysteme Gmbh Bass reflex tube for a loudspeaker
CN109196880B (en) * 2016-04-29 2021-09-10 柏林之声音频系统有限公司 Bass reflex tube for loudspeaker

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