CN207638875U - Plane diaphragm loudspeaker - Google Patents

Abstract

The utility model is related to loudspeaker technical fields, provide a kind of plane diaphragm loudspeaker, including vibration component and magnet assembly.Vibration component includes vibrating diaphragm ontology, conductor structure, first support washer and two wiring constructions.External signal electric current accesses conductor structure by two wiring constructions respectively.First work straightway, the second work straightway, third work straightway and the 4th work straightway combine the tapping that the decussate texture to be formed is located at first support washer, the cutting magnetic induction line when electric current flows separately through each work straightway applies Ampere force vibrating diaphragm ontology forced vibration sounding to be located at the region of tapping of first support washer to vibrating diaphragm ontology.Furthermore two the first bar magnets are respectively set in the both sides of each work straightway, so that vibrating diaphragm ontology is by the identical Ampere force in direction, in this way, further ensuring that the vibration sounding area uniform force of vibrating diaphragm ontology.

Description

Plane diaphragm loudspeaker

Technical field

The utility model is related to loudspeaker technical fields, especially provide a kind of plane diaphragm loudspeaker.

Background technology

Loudspeaker are a kind of common electro-acoustic transducer devices, using very universal in the electronic electric equipment of sounding.It is electronic Formula loudspeaker are also known as coil-moving speaker, it is the electro-acoustic transducer device using electric principle.Electrodynamic type loudspeaker are because of the letter of its structure The features such as single, production is easy, function admirable receives user's favor.

Plane diaphragm loudspeaker are one kind of loudspeaker.Plane diaphragm loudspeaker are that conductor lines are laid on plane diaphragm, in magnet It is cut in the magnetic field of formation, and makes conductor lines by Ampere force and cause the vibration of plane diaphragm and sounding.But it is traditional Conductor traces and the magnetic field of magnets cooperations of plane diaphragm loudspeaker easily lead to plane diaphragm unbalance stress, therefore, how to improve flat The technical issues of face vibrating diaphragm uniform force has become urgent need to resolve..

Utility model content

The purpose of this utility model is to provide a kind of plane diaphragm loudspeaker, it is intended to solve plane diaphragm in the prior art The technical issues of conductor traces of loudspeaker easily lead to plane diaphragm unbalance stress with magnetic field of magnets cooperation.

To achieve the above object, the technical solution adopted in the utility model is：A kind of plane diaphragm loudspeaker, including vibration group Part and magnet assembly, the vibration component include vibrating diaphragm ontology, conductor structure, first support washer and two wiring constructions, The vibrating diaphragm ontology includes the first surface and second surface of opposite facing setting, and the conductor structure is set to the first surface On, also, the conductor structure is helically wound by a guiding, the conducting wire include the first spiral winding circle with And the second spiral winding circle being connect with the first spiral winding circle, the first spiral winding circle include the first work straight line Section, the second work straightway and the first arc segment, the first work straightway mutually hang down with the second work straightway One end of the straight and described first work straightway is connected with one end of the second work straightway, first arc segment Both ends be connected to it is described first work straightway the other end and it is described second work straightway the other end, described second Spiral winding circle includes third work straightway, the 4th work straightway and the second arc segment, the third work straightway It is mutually perpendicular to the 4th work straightway and the third one end of straightway and the described 4th that works works straightway One end is connected, and the both ends of second arc segment are connected to the other end and the described 4th of the third work straightway Work the other end of straightway, third work straightway along the first work straightway extended line setting, described the Four work straightways are arranged along the extended line of the second work straightway, also, the first work straightway, described second Work straightway, third work straightway and the 4th work straightway combine to form decussate texture, and described the One support cushion circuit covering on the first surface of the vibrating diaphragm ontology and with the overlapping margins of the vibrating diaphragm ontology, described One work straightway, the second work straightway, third work straightway and the 4th work straightway and institute The opening for stating first support washer is corresponding, and first arc segment and second arc segment are attached at the first support On washer, two wiring constructions are set on the first support washer and corresponding with two free ends of the conducting wire；It is described Magnet assembly includes eight the first bar magnets, and each first bar magnet is set up on the first support washer, also, every Two one group of first bar magnets are divided into first work straightway both sides, are set to the second work straight line respectively Section both sides are set to third work straightway both sides and set on the 4th work straightway both sides.

Specifically, the conducting wire have be free end first end and second end, and the first end and described second End is located at the opposite sides of the first support washer, and the first end is electrically connected with wherein one wiring construction, The second end is electrically connected with another wiring construction.

Preferably, the conducting wire is flat aluminum conductor.

Preferably, the trepanning of the first support washer is round hole, the first work straightway, described second Work straightway, third work straightway and the 4th work straightway are respectively positioned in the round hole, and described the One arc segment and second arc segment are respectively positioned on outside the round hole and are attached on the first support washer.

Specifically, the circuit direction phase of the current direction of the first work straightway and third work straightway Instead, the pole polarity for being located at two first bar magnets of first work straightway both sides works with positioned at the third The pole polarity of two first bar magnets of straightway both sides is identical, the current direction of the second work straightway and institute The circuit direction of the 4th work straightway is stated on the contrary, being located at two first bar magnets of second work straightway both sides Pole polarity it is identical as positioned at the described 4th two pole polarities of first bar magnet of straightway both sides that work.

Further, the plane diaphragm loudspeaker further include second support washer, and the second support washer is covered in institute State on second surface and coincide with the boundary of the vibrating diaphragm ontology, first arc segment and second arc segment with it is described Second support washer is corresponding, it is described first work straightway, it is described second work straightway, the third work straightway with And it is described 4th work straightway it is corresponding with the opening of second support washer, the trepanning of the second support washer Appearance profile is identical as the appearance profile of trepanning of first support washer and overlapping margins.

Preferably, the trepanning of the second support washer is round hole, the first work straightway, described second Work straightway, third work straightway and the 4th work straightway are respectively positioned in the round hole, and described the One arc segment and second arc segment are respectively positioned on outside the round hole and at the second support washer.

Further, the magnet assembly further includes eight the second bar magnets, and each second bar shaped magnet frame sets institute State on second support washer, one group of the second bar magnet described in each two be divided into respectively first work straightway both sides, Set on second work straightway both sides, it is set to third work straightway both sides and set on the 4th work straight line Section both sides, each second magnet and each first bar magnet one-to-one correspondence and corresponding second bar magnet Pole polarity is identical as the pole polarity of the first bar magnet.

Specifically, the wiring construction is rivet on the first support washer or the wiring construction is Pad on the first support washer.

The beneficial effects of the utility model：The plane diaphragm loudspeaker of the offer of the utility model, operation principle are as follows：Outside Portion's signal code accesses conductor structure by two wiring constructions respectively.A piece conducting wire is helically wound to form the first spiral winding Circle and the second spiral winding circle, wherein the first work straightway of the first spiral winding circle and the second work straightway are located at the The tapping of one holder washer, the third work straightway of the second spiral winding circle and the 4th work straightway also are located at first The tapping of frame washer, also, the first work straightway, the second work straightway, third work straightway and the 4th work Straightway combines to form decussate texture, i.e., when electric current flows separately through the first work straightway, the second work straightway, third work Make cutting magnetic induction line when straightway and the 4th work straightway, to be located at the tapping of first support washer to vibrating diaphragm ontology Region apply Ampere force, vibrating diaphragm ontology forced vibration sounding, and the first arc segment and the second arc segment are attached at first It is on frame washer, i.e., fixed by first support washer institute in the vibrating diaphragm ontology in the region, that is, flow a current through the first arc Line segment and the second arc segment can not also make the vibrating diaphragm ontology starting of oscillation sounding in the region, to ensure vibrating diaphragm ontology vibration sounding Consistency.Furthermore one group of the first bar magnet of each two is divided into the first work straightway both sides, is set to the second work directly respectively Line segment both sides, be set to third work straightway both sides and set on the 4th work straightway both sides so that first work straightway, Second work straightway, third work straightway and the 4th work straightway by perpendicular to vibrating diaphragm ontology and direction it is identical Ampere force, in this way, further ensuring that the vibration sounding area uniform force of vibrating diaphragm ontology.

Description of the drawings

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this practicality is new Some embodiments of type for those of ordinary skill in the art without having to pay creative labor, can be with Obtain other attached drawings according to these attached drawings.

Fig. 1 is the front view for the plane diaphragm loudspeaker that the utility model embodiment provides；

Fig. 2 is the front view of the vibrating diaphragm ontology and conductor structure for the plane diaphragm loudspeaker that the utility model embodiment provides；

Fig. 3 is the front view that the plane diaphragm loudspeaker that the utility model embodiment provides remove first support washer；

Wherein, each reference numeral in figure：

100-vibration component 200-magnet assembly, 101-vibrating diaphragm ontologies

102-conductor structure 103-first support, 104-wiring constructions of washer

105-the first the 106-the second spiral winding of spiral winding circle circle 107-the first work straightway

108-the second work straightway 110-third of the 109-the first arc segment work straightway

111-the four work straightway the 201-the first bar magnet of the 112-the second arc segment

113-114-second ends of first end

Specific implementation mode

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indicates or imply Signified device or element must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more this feature.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；Can be Mechanical connection can also be electrical connection；It can be directly connected, can also can be indirectly connected through an intermediary two The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

The plane diaphragm loudspeaker provided to Fig. 3, the utility model embodiment, including vibration component 100 and magnetic are be provided Body component 200.Vibration component 100 includes vibrating diaphragm ontology 101, conductor structure 102, first support washer 103 and two wiring Structure 104.Vibrating diaphragm ontology 101 includes the first surface and second surface of opposite facing setting, and conductor structure 102 is set to first surface On, also, conductor structure 102 is helically wound by a guiding, conducting wire include the first spiral winding circle 105 and The second spiral winding circle 106 being connect with the first spiral winding circle 105, the first spiral winding circle 105 include the first work straight line The 107, second work straightway 108 of section and the first arc segment 109, the first work work straightway 108 of straightway 107 and second It is mutually perpendicular to and one end of the first work straightway 107 is connected with one end of the second work straightway 108, the first arc segment 109 both ends be connected to the first work straightway 107 the other end and second work straightway 108 the other end, second Spiral winding circle 106 includes third work straightway the 110, the 4th work straightway 111 and the second arc segment 112, third work Make straightway 110 and the 4th work straightway 111 be mutually perpendicular to and third work straightway 110 one end with the 4th work straight line One end of section 111 is connected, and the both ends of the second arc segment 112 are connected to the other end and the of third work straightway 110 The other end of four work straightways 111, third work straightway 110 are arranged along the extended line of the first work straightway 107, and the 4th The straightway 111 that works is arranged along the extended line of the second work straightway 108, also, the first work straightway 107, second works Straightway 108, the third work work combination of straightway 111 of straightway 110 and the 4th form decussate texture, first support pad Circle 103 be covered on the first surface of vibrating diaphragm ontology 101 and with the overlapping margins of vibrating diaphragm ontology 101, first work straightway 107, the second work straightway 108, third work straightway 110 and the 4th work straightway 111 and first support washer 103 Opening it is corresponding, the first arc segment 109 and the second arc segment 112 are attached on first support washer 103, two wiring constructions 104 is on first support washer 103 and corresponding with two free ends of conducting wire.Magnet assembly 200 includes eight the first bar shapeds Magnet 201, each first bar magnet 201 is set up on first support washer 103, also, 201 1 groups of the first bar magnet of each two It is divided into 107 both sides of the first work straightway respectively, is set to the second 108 both sides of work straightway, is set to third work straightway 110 both sides and set on the 4th work straightway 111 both sides.

The plane diaphragm loudspeaker that the utility model embodiment provides, operation principle are as follows：External signal electric current respectively by Two wiring constructions 104 access conductor structure 102.A piece conducting wire is helically wound to form the first spiral winding circle 105 and Two spiral winding circles 106, wherein the first work work straightway 108 of straightway 107 and second of the first spiral winding circle 105 Positioned at the tapping of first support washer 103, the third work work of straightway 110 and the 4th of the second spiral winding circle 106 is straight Line segment 111 also is located at the tapping of first support washer 103, also, the first work work straightway of straightway 107, second 108, third work straightway 110 and the 4th work combination of straightway 111 forms decussate texture, i.e., when electric current flows separately through When the first work work of straightway 107, second straightway 108, the third work work straightway 111 of straightway 110 and the 4th (here, cutting magnetic induction line applies Ampere force to be located at the region of tapping of first support washer 103 to vibrating diaphragm ontology 101 Vibrating diaphragm ontology 101 is limited in the region of the tapping of first support washer 103 as vibration sounding area), 101 stress of vibrating diaphragm ontology is shaken Dynamic sounding, and the first arc segment 109 and the second arc segment 112 are attached on first support washer 103, i.e. shaking in the region Membrane body 101 by the institute of first support washer 103 it is fixed in the case of, that is, flow a current through the first arc segment 109 and the second camber line Section 112, can not also make the 101 starting of oscillation sounding of vibrating diaphragm ontology in the region, to ensure the consistent of 101 vibration sounding of vibrating diaphragm ontology Property.Furthermore 201 1 groups of the first bar magnet of each two is divided into 107 both sides of the first work straightway, is set to the second work respectively 108 both sides of straightway are set to third work 110 both sides of straightway and set on the 4th 111 both sides of work straightway so that first Work straightway 107, second work straightway 108, third work straightway 110 and the 4th work straightway 111 by Perpendicular to the identical Ampere force of vibrating diaphragm ontology 101 and direction, in this way, further ensure that the vibration sounding area of vibrating diaphragm ontology 101 by Power is uniform.

Specifically, please refer to Fig.1 to Fig. 3, in the present embodiment, conducting wire have be free end first end 113 and the Two ends 114, and first end 113 and second end 114 are located at the opposite sides of first support washer 103, first end 113 and its In a wiring construction 104 be electrically connected, second end 114 and another wiring construction 104 are electrically connected.It is to be appreciated that conducting wire The opposite sides that first end 113 and second end 114 are located at first support washer 103 can reduce the unnecessary cabling of conducting wire, It saves conducting wire and uses length, meanwhile, also far from the vibration sounding area of vibrating diaphragm ontology 101, in this way, can avoid in vibrating diaphragm ontology It drills in 101 vibration sounding area, ensure that the integrality and globality of vibrating diaphragm ontology 101, also ensure 101 work of vibrating diaphragm ontology Elastic demand when making.

Specifically, in the present embodiment, conducting wire is flat aluminum conductor.It is flat by the way that conducting wire to be arranged to, with Conducting wire occupied area on vibrating diaphragm ontology 101 is set to increase, the work to increase conductor structure 102 winds section to vibrating diaphragm Power in the effect of ontology 101 is conducive to the low frequency audio for improving plane diaphragm loudspeaker.Certainly, according to actual needs, conducting wire also may be used For copper conductors or silvery conductor.

Preferably, it please refers to Fig.1 to Fig. 3, in the present embodiment, the trepanning of first support washer 103 is round hole, first The work work of straightway 107, second straightway 108, the third work work straightway 111 of straightway 110 and the 4th are respectively positioned on In round hole, the first arc segment 109 and the second arc segment 112 are respectively positioned on outside round hole and are attached on first support washer 103. It is to be appreciated that the first work straightway 107, second works, straightway 108, third work straightway 110 and the 4th work The combination of straightway 111 forms decussate texture and is placed exactly in round hole.Preferably, the axial symmetry center of decussate texture and circle The center of circle in shape hole overlaps, that is, cross forms structure and is distributed in round hole so that vibrating diaphragm ontology 101 at the round hole by Power is more uniform, to obtain the sounding of audio stabilization.

Specifically, in the present embodiment, the current direction of the first work straightway 107 and third work straightway 110 Circuit direction is on the contrary, positioned at the pole polarity of two first bar magnets 201 of the first 107 both sides of work straightway and positioned at third The pole polarity of two first bar magnets 201 of 110 both sides of work straightway is identical, the electric current side of the second work straightway 108 To the circuit direction with the 4th work straightway 111 on the contrary, two first bar magnets of 108 both sides of straightway that work positioned at second 201 pole polarity is identical as the pole polarity of two first bar magnets 201 positioned at the 4th 111 both sides of work straightway.It can To understand ground, as shown in figure 3, arrow is oriented to current direction in figure, when the current direction of the first work straightway 107 is by the When the hole center of the trepanning of one holder washer 103 is directed toward outer, the current direction of third work straightway 110 is then opened by outside direction The hole center in hole, meanwhile, the current direction of the second work straightway 108 is also by the external hole center for being directed toward trepanning, but with first The current direction of work straightway 107 is vertical, and finally, the current direction of the 4th work straightway 111 is then by by first support pad Outside the hole center of the trepanning of circle 103 is directed toward, still, but it is vertical with the third work current direction of straightway 110.In the above situation On the basis of, it will be positioned at the pole polarity of two first bar magnets 201 of the first 107 both sides of work straightway and positioned at third work The pole polarity for making two first bar magnets 201 of 110 both sides of straightway is identical, for example, as shown in figures 1 and 3, the first work The first bar magnet 201 of the poles N outwardly is placed in the left side of straightway 107 and the left side of third work straightway 110, and two The first bar magnet 201 of the poles S outwardly is placed in the other side of person, and in the downside of the second work straightway 108 and the 4th work The first bar magnet 201 of the poles N outwardly is placed in the downside for making straightway 111, and first of S outwardly is placed in the upside of the two Bar magnet 201, in this way, according to the flow direction of electric current, the first work work of straightway 107, second straightway 108, third work Straightway 110 and the 4th works straightway 111 by the outside Ampere force of Vertical Vibrating membrane body 101, i.e. vibrating diaphragm ontology 101 Vertical outside starting of oscillation.It may infer that, when the current direction for flowing through each work straightway is reversed, then vibrating diaphragm ontology 101 Then perpendicularly inward starting of oscillation.

Into one, do not show in figure, in the present embodiment, in order to increase the stabilization during 101 vibration sounding of vibrating diaphragm ontology Property, plane diaphragm loudspeaker further include second support washer (not shown), structure and the first support washer of second support washer 103 structure is identical, and second support washer is covered on second surface and coincides with the boundary of vibrating diaphragm ontology 101, the first arc Line segment 109 and the second arc segment 112 are corresponding with second support washer, the first work work straightway of straightway 107, second 108, third work straightway 110 and the 4th work straightway 111 is corresponding with the opening of second support washer, second The appearance profile of the trepanning of frame washer is identical as the appearance profile of the trepanning of first support washer 103 and overlapping margins.

Preferably, do not show in figure, in the present embodiment, i.e., so when the trepanning of first support washer 103 is round hole The trepanning of second support washer is round hole, also, two round holes are corresponding, ensures the vibration sounding area of vibrating diaphragm ontology 101 not Because of changing due to adding for second support washer.That is, similarly, the first work work of straightway 107, second straightway 108, The third work work straightway 111 of straightway 110 and the 4th is respectively positioned in round hole, the first arc segment 109 and the second camber line Section 112 is respectively positioned on outside round hole and at second support washer.

Further, do not show in figure, in the present embodiment, in order to increase vibrating diaphragm ontology 101 vibration sounding area deformation Degree.Magnet assembly 200 further includes eight the second bar magnet (not shown), and each second bar shaped magnet frame sets second support pad On circle, one group of the second bar magnet of each two is divided into 107 both sides of the first work straightway, is set to the second work straightway respectively 108 both sides are set to third work 110 both sides of straightway and set on the 4th work straightway 111 both sides, each second magnet with it is each First bar magnet 201 corresponds and the magnetic of the pole polarity of corresponding second bar magnet and the first bar magnet 201 Pole polarity is identical.In this way, the pole polarity of each second bar magnet is identical as the pole polarity of each first bar magnet 201, keep away Exempt from external signal electric current flow through the first work straightway 107, second work straightway 108, third work straightway 110 and Suffered ampere force direction changes when the 4th work straightway 111, so cause the vibration sounding area of vibrating diaphragm ontology 101 by Power is uneven.

Specifically, in the present embodiment, wiring construction 104 is the rivet on first support washer 103 or wiring Structure 104 is the pad on first support washer 103.Using rivet directly will pass through first support washer 103 and with lead Two free ends of line weld together, i.e., lead to the access of external signal electric current on rivet.Alternatively, using in first support pad It encloses on 103 and pad is set, two free ends of pad and conducting wire weld together, i.e., the access of external signal electric current are led to pad On.

The above is only the preferred embodiments of the present utility model only, is not intended to limit the utility model, all in this practicality All any modification, equivalent and improvement etc., should be included in the guarantor of the utility model made by within novel spirit and principle Within the scope of shield.

Claims (9)

1. a kind of plane diaphragm loudspeaker, including vibration component and magnet assembly, which is characterized in that the vibration component includes vibrating diaphragm Ontology, conductor structure, first support washer and two wiring constructions, the vibrating diaphragm ontology include the first table of opposite facing setting Face and second surface, the conductor structure be set to the first surface on, also, the conductor structure by a conducting wire with spiral Mode is entwined, and the conducting wire includes the first spiral winding circle and the second spiral for being connect with the first spiral winding circle Winding circle, the first spiral winding circle includes the first work straightway, the second work straightway and the first arc segment, described First work straightway is mutually perpendicular to and one end and described the of the first work straightway with described second straightway that works One end of two work straightways is connected, and the both ends of first arc segment are connected to the another of the first work straightway The other end of one end and the second work straightway, the second spiral winding circle include third work straightway, the 4th work Make straightway and the second arc segment, the third work straightway is mutually perpendicular to and described the with the described 4th straightway that works One end of three work straightways is connected with one end of the 4th work straightway, and the both ends of second arc segment connect respectively It is connected to the other end of the other end and the 4th work straightway of the third work straightway, the third work straightway Along the extended line setting of the first work straightway, extension of the 4th work straightway along the second work straightway Line is arranged, also, the first work straightway, the second work straightway, third work straightway and described 4th work straightway combines to form decussate texture, and the first support washer is covered in described the first of the vibrating diaphragm ontology On surface and with the overlapping margins of the vibrating diaphragm ontology, the first work straightway, the second work straightway, described the Three work straightways and the 4th work straightway are corresponding with the trepanning of first support washer, first camber line Section and second arc segment are attached on the first support washer, and two wiring constructions are set to the first support pad It is on circle and corresponding with two free ends of the conducting wire；The magnet assembly include eight the first bar magnets, each described first Bar magnet is set up on the first support washer, also, one group of the first bar magnet described in each two be divided into respectively it is described First work straightway both sides, be set to described second work straightway both sides, be set to third work straightway both sides and Set on the 4th work straightway both sides.

2. plane diaphragm loudspeaker according to claim 1, it is characterised in that：It is the first of free end that the conducting wire, which has, End and second end, and the first end and the second end are located at the opposite sides of the first support washer, described the One end is electrically connected with wherein one wiring construction, and the second end is electrically connected with another wiring construction.

3. plane diaphragm loudspeaker according to claim 1, it is characterised in that：The conducting wire is flat aluminum conductor.

4. plane diaphragm loudspeaker according to claim 1, it is characterised in that：The trepanning of the first support washer is Round hole, the first work straightway, the second work straightway, third work straightway and the 4th work Be respectively positioned in the round hole as straightway, first arc segment and second arc segment be respectively positioned on the round hole it is outer and It is attached on the first support washer.

5. plane diaphragm loudspeaker according to claim 1, it is characterised in that：The current direction of the first work straightway Circuit direction with third work straightway is on the contrary, be located at two first bar shapeds of first work straightway both sides The pole polarity of magnet is identical as two pole polarities of first bar magnet positioned at third work straightway both sides, The circuit direction of the current direction of the second work straightway and the 4th work straightway is on the contrary, be located at second work Make two institutes of the pole polarity and the straightway both sides that work positioned at the described 4th of two first bar magnets of straightway both sides The pole polarity for stating the first bar magnet is identical.

6. plane diaphragm loudspeaker according to any one of claims 1 to 5, it is characterised in that：The plane diaphragm loudspeaker are also Including second support washer, the second support washer be covered on the second surface and with the boundary phase of the vibrating diaphragm ontology It overlaps, first arc segment and second arc segment are corresponding with the second support washer, the first work straight line Section, it is described second work straightway, the third work straightway and it is described 4th work straightway with described second The opening of frame washer is corresponding, the appearance profile of the trepanning of the second support washer and the trepanning of the first support washer Appearance profile is identical and overlapping margins.

7. plane diaphragm loudspeaker according to claim 6, it is characterised in that：The trepanning of the second support washer is Round hole, the first work straightway, the second work straightway, third work straightway and the 4th work Be respectively positioned in the round hole as straightway, first arc segment and second arc segment be respectively positioned on the round hole it is outer and At the second support washer.

8. plane diaphragm loudspeaker according to claim 6, it is characterised in that：The magnet assembly further includes eight Article 2 Shape magnet, each second bar shaped magnet frame are set on the second support washer, one component of the second bar magnet described in each two It is not divided into first work straightway both sides, is set to second work straightway both sides, is straight set on third work It line segment both sides and works straightway both sides, each second bar magnet and each first bar magnet set on the described 4th It corresponds and the pole polarity of corresponding second bar magnet is identical as the pole polarity of the first bar magnet.

9. plane diaphragm loudspeaker according to any one of claims 1 to 5, it is characterised in that：The wiring construction be set on Rivet or the wiring construction on the first support washer are the pad on the first support washer.