Electrostatic horn with internal dust removal function

Abstract

The utility model belongs to the technical field of electrostatic sound boxes, and discloses an electrostatic horn with an internal dust removal function, which comprises a sound production assembly and a dust removal assembly, the dust removal assembly is provided with a humidity probe used for detecting the humidity inside the electrostatic horn, a heating wire used for adjusting the temperature inside the electrostatic horn, an external power supply battery and a dust removal regulator used for regulating other parts of the dust removal assembly. The dust removal controller is electrically connected with the humidity probe, the dust removal controller is electrically connected with the external power supply battery, the dust removal controller is electrically connected with the heating wire, the external power supply battery supplies power to the sound production assembly, and the heating wire surrounds the sound production assembly. According to the utility model, through the arrangement of the dust removal assembly, dynamic humidity regulation and dust prevention of the electrostatic horn are realized, service life is prolonged, and sound quality is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of electrostatic loudspeaker, more specifically, relate to a kind of electrostatic loudspeaker with internal dust removal function. BACKGROUND

[0002] As a kind of audio frequency equipment based on electrostatic field action drive diaphragm sound, electrostatic loudspeaker is widely used in high-end sound system, professional recording studio and home video etc. field due to its high frequency response sensitivity, transient characteristic excellent and sound quality pure etc. Its core working principle is to make conductive diaphragm vibrate by applying high-voltage electrostatic field, and push air to sound. However, electrostatic loudspeaker faces a significant technical problem in actual use: due to the existence of electrostatic field on the surface of diaphragm, dust particles floating in the environment are easily adsorbed to diaphragm or electrode plate, especially in the environment with higher humidity, dust and water vapor combine to form a dirt layer that is difficult to remove. This dust accumulation phenomenon not only hinders the high-frequency vibration of diaphragm, causes sound distortion and clarity to drop, but also accelerates the oxidation and corrosion of electrode plate and conductive film, significantly shortens the service life of loudspeaker.

[0003] In the prior art, passive solutions are often used to solve the dust removal problem of electrostatic loudspeaker, such as installing dust cover outside the loudspeaker or cleaning manually regularly. However, dust cover can block some large dust particles, but cannot avoid the penetration of fine dust, and may cause attenuation effect on sound propagation; and frequent manual cleaning is not only cumbersome, but also has the risk of damaging precision diaphragm or circuit. In addition, some designs try to reduce dust entry by optimizing loudspeaker structure (such as increasing sealing), but such solutions often sacrifice the acoustic performance or heat dissipation efficiency of loudspeaker, and it is difficult to balance practicality and sound quality requirements.

[0004] Therefore, the utility model provides a kind of electrostatic loudspeaker with internal dust removal function. UTILITY MODEL CONTENT

[0005] In view of the above problems existing in the prior art, the purpose of the utility model is to provide a kind of electrostatic loudspeaker with internal dust removal function, by the setting of dust removal component, ensure that electrostatic loudspeaker is always in low humidity working environment, effectively inhibit dust adsorption, this dynamic humidity management not only prolongs the service life of loudspeaker, but also avoids the sound quality degradation caused by dust accumulation.

[0006] The purpose of the utility model can be realized by the following technical solutions:

[0007] The utility model provides an electrostatic horn with internal dust removal function, the electrostatic horn includes sounding assembly and dust removal assembly, the dust removal assembly is provided with humidity probe for detecting the humidity of the electrostatic horn inside, heating wire for temperature regulation to the inside of the electrostatic horn, external power supply battery and dust removal controller for regulating other components of the dust removal assembly, the dust removal controller is electrically connected with the humidity probe, the dust removal controller is electrically connected with the external power supply battery, the dust removal controller is electrically connected with the heating wire, the external power supply battery supplies power to the sounding assembly, and the heating wire surrounds the sounding assembly.

[0008] As a further preferred technical scheme of the utility model, the electrostatic horn further comprises a hanging assembly and a tuning cotton cover, the sounding assembly is connected with the sounding assembly;

[0009] The hanging assembly comprises a hanging rod, flexible hanging strips and a fixing plate, the hanging rod is provided with a plurality of flexible hanging strips on the rod body, the lower end of the hanging rod is connected with the sounding assembly through a plurality of flexible hanging strips and the fixing plate, the sounding assembly is composed of a plurality of sounding unit linear array distribution, each sounding unit is electrically connected in parallel, the sounding assembly is sleeved with the tuning cotton cover, and the tuning cotton cover is connected with the hanging rod;

[0010] An installation groove is formed in the upper end face of the hanging rod, the dust removal controller is arranged in the installation groove, the external power supply battery is also arranged in the installation groove, the humidity probe is arranged on the lower end face of the hanging rod, and the heating wire surrounds the periphery of each sounding unit.

[0011] As a further preferred technical scheme of the utility model, the dust removal controller is provided with an electronic display screen, an upper key button and a lower key button, and the upper key button and the lower key button are arranged below the electronic display screen.

[0012] As a further preferred technical scheme of the utility model, the sounding unit comprises a hollow annular sounding substrate, a diaphragm is adhered to the sounding substrate, two conductive films are adhered to the diaphragm, the front side of the sounding substrate is fixedly connected with a hollow annular fixed substrate, the front side of the fixed substrate is fixedly connected with an electrode plate, and the rear side of the sounding substrate is fixedly connected with another electrode plate.

[0013] As a further preferred technical scheme of the utility model, the electrode plate is provided with a plurality of honeycomb or circular sound transmission holes, the left side and the lower right side of the outer surface of the electrode plate are each provided with an electricity connection opening, the upper left electricity connection opening of the electrode plate is electrically connected with a conductive film, and the lower right electricity connection opening of the electrode plate is electrically connected with another conductive film.

[0014] As a further preferred technical scheme of the utility model, the electrode plate is provided with a plurality of honeycomb or circular sound transmission holes, the left side and the lower right side of the outer surface of the electrode plate are each provided with an electricity connection opening, the upper left electricity connection opening of the electrode plate is electrically connected with a conductive film, and the lower right electricity connection opening of the electrode plate is electrically connected with another conductive film.

[0015] As a further preferred technical scheme of the utility model, the sound production base plate is provided with mounting holes and alignment holes, the fixing base plate is also provided with mounting holes and alignment holes, the electrode plate is provided with mounting holes, the mounting holes of the electrode plate correspond to the mounting holes of the sound production base plate and the mounting holes of the fixing base plate, the alignment holes of the sound production base plate correspond to the alignment holes of the fixing base plate, and the mounting holes of the electrode plate, the mounting holes of the sound production base plate and the mounting holes of the fixing base plate are assembled through screws or rivets.

[0016] As a further preferred technical scheme of the utility model, the linear array distribution of the plurality of sound production units is arranged in 3 to 9 vertical columns in the horizontal direction or the vertical direction, and each column is provided with 2 to 10 sound production units.

[0017] As a further preferred technical scheme of the utility model, the left segment and the right segment of the upper end surface of the suspension rod are each provided with an ear.

[0018] As described above, the utility model provides a kind of electrostatic loudspeaker with internal dust removal function, with the following beneficial effects:

[0019] The utility model utilizes the above-mentioned electrostatic loudspeaker with internal dust removal function, compared with prior art, since adopting such structure, it is provided with dust removal assembly, the dust removal assembly includes dust removal control device, humidity probe, external power supply battery and heating wire, this setting design allows user to start dust removal mode according to needs, the humidity of environment is monitored in real time by humidity probe in dust removal assembly, temperature regulation is carried out by combining dust removal control device with heating wire, to ensure that electrostatic loudspeaker is always in low humidity working environment, effectively inhibit dust adsorption, this dynamic humidity management not only prolongs the service life of electrostatic loudspeaker, but also avoids the deterioration of sound quality caused by dust accumulation.

[0020] The additional aspects and advantages of the present application will be given in part in the following description, and will become apparent from the description, or can be learned by practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor under the premise of the drawings.

[0022] Figure 1 Structure diagram of the electrostatic loudspeaker with internal dust removal function applied by the present application;

[0023] Figure 2 Structure diagram of the electrostatic loudspeaker (remove the tuning cotton cloth cover) with internal dust removal function applied by the present application;

[0024] Figure 3 For Figure 2 Enlarged diagram of the I place in the middle;

[0025] Figure 4 For Figure 2 Enlarged diagram of the II place in the middle;

[0026] Figure 5 Structure diagram of the sound generating unit of the electrostatic loudspeaker with internal dust removal function applied by the present application;

[0027] Figure 6 Exploded view of the sound generating unit of the electrostatic loudspeaker with internal dust removal function applied by the present application.

[0028] Summary of the reference signs and their descriptions:

[0029] 100, suspension assembly; 110, suspension rod; 111, lifting lug; 120, flexible suspension strip; 130, fixed plate; 200, sound generating assembly; 210, sound generating unit; 211, sound generating substrate; 212, diaphragm; 213, conductive film; 214, fixed substrate; 215, electrode plate; 300, dust removal assembly; 310, dust removal controller; 311, electronic display screen; 312, up key button; 313, down key button; 320, humidity probe; 400, tuning cotton cloth cover. DETAILED DESCRIPTION

[0030] The embodiments of the present application will be described below by specific embodiments, and those skilled in the art can easily understand other advantages and effects of the present application from the content disclosed in the present specification.

[0031] It should be understood that the structure, proportion, size and the like shown in the drawings of the specification are only used to cooperate with the disclosed content, to be understood and read by those skilled in the art, and are not used to limit the implementation of the utility model, so they do not have technical significance, any modification of structure, change of proportion relationship or adjustment of size, without affecting the effect and purpose that the utility model can produce, should still fall within the scope of the technical content disclosed by the utility model. Meanwhile, the terms such as "upper", "lower", "left", "right", "middle" and "one" in the specification are only for clear description, not to limit the scope of the utility model, and the change or adjustment of the relative relationship is also considered as the implementation of the utility model. The specific structure can be described with reference to the drawings of the patent application.

[0032] The utility model provides a kind of electrostatic loudspeaker with internal dust removal function, please refer to Figures 1 to 6 As shown in the figure, the electrostatic loudspeaker includes sound emitting assembly 200 and dust removal assembly 300, the dust removal assembly 300 is provided with humidity probe 320 for detecting the humidity inside the electrostatic loudspeaker, heating wire for temperature regulation inside the electrostatic loudspeaker, external power supply battery and dust removal controller 310 for regulating other components of the dust removal assembly 300, the dust removal controller 310 is electrically connected with the humidity probe 320, the dust removal controller 310 is electrically connected with the external power supply battery, the dust removal controller 310 is electrically connected with the heating wire, the external power supply battery supplies power to the sound emitting assembly 200, and the heating wire surrounds the sound emitting assembly 200.

[0033] The electrostatic loudspeaker further includes suspension assembly 100 and tuning cotton cloth cover 400, the sound emitting assembly 200 is connected with the sound emitting assembly 200;

[0034] The suspension assembly 100 includes suspension rod 110, flexible suspension strip 120 and fixed plate 130, the suspension rod 110 is provided with a plurality of flexible suspension strips 120 on the rod body, the lower end of the suspension rod 110 is connected with the sound emitting assembly 200 through a plurality of flexible suspension strips 120 and fixed plate 130, the sound emitting assembly 200 is composed of a plurality of sound emitting units 210 linearly arrayed, each sound emitting unit 210 is electrically connected in parallel, the sound emitting assembly 200 is sleeved with the tuning cotton cloth cover 400, and the tuning cotton cloth cover 400 is connected with the suspension rod 110.

[0035] The upper end surface of the suspension rod 110 is provided with a mounting groove, the dust removal controller 310 is arranged in the mounting groove, and the external power supply battery is also arranged in the mounting groove, the humidity probe 320 is arranged on the lower end surface of the suspension rod 110, and the heating wire is arranged around the periphery of each sound generating unit 210.

[0036] It should be noted that, in the utility model, the sound generating assembly 200 adopts a plurality of sound generating units 210 arranged in a linear array, and is wrapped by the tuning cotton cloth cover 400, so that the uniformity of the sound field is enhanced, and the sound quality is further optimized through the sound absorption and dust prevention characteristics of the cotton cloth cover.

[0037] Combining Figure 2 and Figure 3 As shown in the figures, the dust removal controller 310 is provided with an electronic display screen 311, an up key button 312 and a down key button 313, the up key button 312 and the down key button 313 are arranged below the electronic display screen 311, the dust removal controller 310 is provided with the electronic display screen 311 and the up and down key buttons 313, the user can check the humidity data in real time and manually adjust the parameters, and precise control is realized, and the operation of the dust removal controller 310 is as follows:

[0038] ① Set the starting temperature:

[0039] Press the up key button 312, and the electronic display screen 311 displays the starting humidity;

[0040] Press and hold the up key button 312 for three seconds, and the number of the starting humidity displayed on the electronic display screen 311 flashes, and the up and down keys can be used to set the starting humidity.

[0041] ② Set the stopping humidity:

[0042] Press the down key button 313, and the electronic display screen 311 displays the stopping humidity;

[0043] Press and hold the down key button 313 for three seconds, and the number of the stopping humidity displayed on the electronic display screen 311 flashes, and the up and down keys can be used to set the stopping humidity.

[0044] ③ Restore factory settings:

[0045] In the power-on state, press and hold the up key button 312 and the down key button 313 at the same time, and the digital tube of the electronic display screen 311 displays 888 and then automatically jumps to the detection humidity, that is, the factory settings are restored.

[0046] Combining Figure 5 and Figure 6As shown, the sound generating unit 210 includes a hollow annular sound generating substrate 211, the sound generating substrate 211 is adhered with a diaphragm 212, the diaphragm 212 is adhered with two conductive films 213, the front side of the sound generating substrate 211 is fixedly connected with a hollow annular fixed substrate 214, the front side of the fixed substrate 214 is fixedly connected with an electrode plate 215, and the rear side of the sound generating substrate 211 is fixedly connected with another electrode plate 215.

[0047] The electrode plate 215 is provided with a plurality of honeycomb or circular sound transmission holes, and the outer surface of the electrode plate 215 is provided with an electrical connection opening on the left side and the lower right side. The upper left electrical connection opening of the electrode plate 215 is electrically connected with a conductive film 213, and the lower right electrical connection opening of the electrode plate 215 is electrically connected with another conductive film 213.

[0048] The electrode plate 215 is provided with a plurality of honeycomb or circular sound transmission holes, and the outer surface of the electrode plate 215 is provided with an electrical connection opening on the left side and the lower right side. The upper left electrical connection opening of the electrode plate 215 is electrically connected with a conductive film 213, and the lower right electrical connection opening of the electrode plate 215 is electrically connected with another conductive film 213.

[0049] The sound generating substrate 211 is provided with mounting holes and alignment holes, the fixed substrate 214 is also provided with mounting holes and alignment holes, the electrode plate 215 is provided with mounting holes, the mounting holes of the electrode plate 215 correspond to the mounting holes of the sound generating substrate 211 and the mounting holes of the fixed substrate 214, the alignment holes of the sound generating substrate 211 correspond to the alignment holes of the fixed substrate 214, and the mounting holes of the electrode plate 215 are assembled with the mounting holes of the sound generating substrate 211 and the mounting holes of the fixed substrate 214 through screws or rivets; the sound generating unit 210 is fixed to the substrate through screws or rivets. The design of the mounting holes and the alignment holes simplifies the disassembly and assembly process of the components, facilitates the maintenance or replacement of parts in the later stage, and the flexible arrangement of the linear array can adjust the acoustic performance according to the needs and adapt to different application scenarios.

[0050] In combination Figure 2 As shown, the linear array of the plurality of sound generating units 210 is arranged in 3 to 9 vertical columns horizontally or vertically, each column is provided with 2 to 10 sound generating units 210. In this embodiment, the sound generating units 210 are arranged in a linear array of 3 vertical columns, the first vertical column is provided with 3 vertical sound generating units 210, the second vertical column is provided with 2 horizontal sound generating units 210, and the third vertical column is provided with 3 vertical sound generating units 210.

[0051] In combination Figure 1 ,Figure 2 and Figure 4 As shown in the drawings, the left and right sections of the upper end surface of the suspension rod 110 are provided with lifting lugs 111, which are designed to make the suspension assembly 100 more stable, and also take into account the aesthetics and practicality.

[0052] It will be apparent to those skilled in the art that the application is not limited to the details of the above-exemplified embodiments, but that the application can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered as exemplary only, and not limiting, the scope of the application being defined by the claims that follow, rather than by the above description, and all changes that fall within the meaning and range of equivalents of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims concerned.

Claims

1. An electrostatic horn with internal dust removal function, characterized in that, The electrostatic loudspeaker comprises a sound generating assembly and a dust removing assembly, the dust removing assembly is provided with a humidity probe for detecting the humidity inside the electrostatic loudspeaker, a heating wire for adjusting the temperature inside the electrostatic loudspeaker, an external power supply battery and a dust removing controller for regulating other components of the dust removing assembly, the dust removing controller is electrically connected with the humidity probe, the dust removing controller is electrically connected with the external power supply battery, the dust removing controller is electrically connected with the heating wire, the external power supply battery supplies power to the sound generating assembly, and the heating wire surrounds the sound generating assembly.

2. The electrostatic loudspeaker with internal dust removal function according to claim 1, characterized in that, The electrostatic loudspeaker further comprises a suspension assembly and a tuning cotton cover, and the sound generating assembly is connected with the sound generating assembly. The suspension assembly comprises a suspension rod, flexible suspension strips and a fixing plate, the suspension rod is provided with a plurality of flexible suspension strips on the rod body, the lower end of the suspension rod is connected with the sound generating assembly through a plurality of flexible suspension strips and the fixing plate, the sound generating assembly is composed of a linear array distribution of a plurality of sound generating units, each sound generating unit is electrically connected in parallel, the sound generating assembly is sleeved with the tuning cotton cover, and the tuning cotton cover is connected with the suspension rod. An installation groove is formed in the upper end surface of the suspension rod, the dust removing controller is arranged in the installation groove, the external power supply battery is also arranged in the installation groove, the humidity probe is arranged on the lower end surface of the suspension rod, and the heating wire surrounds the periphery of each sound generating unit.

3. The electrostatic loudspeaker with internal dust removal function according to claim 2, characterized in that, An electronic display screen, an up key button and a down key button are arranged on the dust removing controller, and the up key button and the down key button are arranged below the electronic display screen.

4. The electrostatic loudspeaker with internal dust removal function according to claim 2, characterized in that, The sound generating unit comprises a hollow annular sound generating substrate, a diaphragm is adhered to the sound generating substrate, two conductive films are adhered to the diaphragm, the front side of the sound generating substrate is fixedly connected with a hollow annular fixing substrate, the front side of the fixing substrate is fixedly connected with an electrode plate, and the rear side of the sound generating substrate is fixedly connected with another electrode plate.

5. The electrostatic loudspeaker with internal dust removal function according to claim 4, characterized in that, A plurality of honeycomb-shaped or circular sound transmission holes are arranged on the electrode plate, an electric connection opening is arranged on the left side and the lower right side of the outer surface of the electrode plate, the electric connection opening on the left side of the electrode plate is electrically connected with a conductive film, and the electric connection opening on the lower right side of the electrode plate is electrically connected with another conductive film.

6. The electrostatic loudspeaker with internal dust removal function according to claim 5, characterized in that, A plurality of honeycomb-shaped or circular sound transmission holes are arranged on the electrode plate, an electric connection opening is arranged on the left side and the lower right side of the outer surface of the electrode plate, the electric connection opening on the left side of the electrode plate is electrically connected with a conductive film, and the electric connection opening on the lower right side of the electrode plate is electrically connected with another conductive film.

7. The electrostatic loudspeaker with internal dust removal function according to claim 6, characterized in that, The sound production substrate is provided with mounting holes and alignment holes, the fixing substrate is also provided with mounting holes and alignment holes, the electrode plate is provided with mounting holes, the mounting holes of the electrode plate correspond to the mounting holes of the sound production substrate and the mounting holes of the fixing substrate one by one, the alignment holes of the sound production substrate correspond to the alignment holes of the fixing substrate, and the mounting holes of the electrode plate, the mounting holes of the sound production substrate and the mounting holes of the fixing substrate are assembled through screws or rivets.

8. The electrostatic loudspeaker with internal dust removal function according to claim 2, characterized in that, The linear array distributed sound production units are arranged in 3-9 vertical columns horizontally or vertically, and each column is provided with 2-10 sound production units.

9. The electrostatic loudspeaker with internal dust removal function according to claim 2, characterized in that, The left section and the right section of the upper end surface of the suspension rod are both provided with lifting lugs.

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