CN103516969A - Movable acoustical camera and manufacturing method - Google Patents
Movable acoustical camera and manufacturing method Download PDFInfo
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- CN103516969A CN103516969A CN201310372891.9A CN201310372891A CN103516969A CN 103516969 A CN103516969 A CN 103516969A CN 201310372891 A CN201310372891 A CN 201310372891A CN 103516969 A CN103516969 A CN 103516969A
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Abstract
The invention provides a movable acoustical camera. The movable acoustical camera comprises a front outer shell (10), MEMS microphones (20), a substrate, an image shooting portion (40) and a rear outer shell (50), wherein sound sensing portions of the MEMS microphones (20) are assembled on the front outer shell (10) in the mode of facing the front, the MEMS microphones (20) are fixed to the substrate, the sound sensing portions of the MEMS microphones (20) are exposed out of the front outer shell (10), the substrate is used for assembly of the MEMS microphones (20), a taking lens (41) of the image shooting portion (40) is exposed through a lens hole formed in the front outer shell (10), and the rear outer shell (50) surrounds the rear side of the substrate (30) and the rear side of the image shooting portion (40). According to the movable acoustical camera, the manufacturing time is reduced, manufacturing cost is reduced; due to the fact that a handle portion is added, even a fixing connecting device or a fixing connecting means is not used, when a tester holds the movable acoustical camera at any position or in any space or places the movable acoustical camera on a plane table or the like, setting of the position can be achieved, and use, installation, position movement and position fixation are easy.
Description
Technical field
The present invention relates to electronic technology field, particularly a kind of portable acoustics camera, also relates to a kind of manufacture method of portable acoustics camera.
Background technology
Acoustics camera, as making sound realize the most advanced and sophisticated measurement equipment of visualization, is the new technical equipment that the multiple fields such as multi-media information communication equipment, household electrical appliances, automobile, building need.Existing acoustics camera Production Time is long, and expense is high, and fancy price has hindered its universal scope and speed.
Summary of the invention
The present invention proposes a kind of portable acoustics camera and manufacture method, solved the problem that acoustics camera in prior art Production Time is long, cost is high.
Technical scheme of the present invention is achieved in that
An acoustics camera, comprising:
The place ahead shell 10, its sound equipment sense part for MEMS microphone 20 configures towards the place ahead;
Described MEMS microphone 20 is fixed on substrate, and its sound equipment sense part is exposed to described the place ahead shell 10;
Substrate, it installs additional for described MEMS microphone 20;
Alternatively, described MEMS microphone 20 forms to radial direction 2～30 blade parts 22 with straight line or curve or spiral-shaped expansion, on a described blade part 22, separates and is arranged with 2～50 MEMS microphones 20.
Alternatively, described a kind of portable acoustics camera also comprises handle portion, and it is fixed on shell 10 edge, described the place ahead or rear shell 50 and rearward protrudes, and described handle portion comprises the left side handle 61He right side handle 65 being symmetrically formed;
Described left side handle 61 comprises: the 1st montant 61a，Qi upper end, top is fixed on described rear shell 50 and is extended ，Qi lower end downwards and is combined with the 1st lower crosspiece 61b rear end; The 1st lower crosspiece 61b, its front end is fixed on described rear shell 50 and rearward extends, and be combined with described the 1st montant 61a lower end, top in its rear end;
Described right side handle 65 comprises: the 2nd montant 65a，Qi upper end, top is fixed on described rear shell 50 and is extended ，Qi lower end downwards and is combined with the 2nd lower crosspiece 65b rear end; The 2nd lower crosspiece 65b, its front end is fixed on described rear shell 50 and rearward extends, and be combined with described the 2nd montant 65a lower end, top in its rear end.
Alternatively, the sideline, lower support Dian102Huo bottom of shell 10Huo rear, described the place ahead shell 50, the lower support point 101 of described left side handle 61, handle 65 bottom, described right side fulcrum 103 form a plane, and described acoustics camera is supported in described plane.
Alternatively, between described left side handle 61He right side handle 65, also possesses the central handle 67 that direction extends up and down;
Central authorities below at described rear shell 50 are formed with inclined plane 50b, are also formed with the bottom surface slot part 50a of depression, and the medial surface of described central handle 67 is to described bottom surface slot part 50a;
Shell 10Yu rear, described the place ahead shell 50 is manufactured by injection moulding, and described left side handle 61, right side handle 65, central handle 67 utilize link tool to be assembled in described rear shell 50.
Alternatively, described taking lens 41 exposes by the camera aperture 15 that the central portion of plate 11 forms forwardly; The sound equipment sense part of described MEMS microphone 20 is exposed by a plurality of perception hole 13 forming on described the place ahead plate 11.
The present invention also provides a kind of portable acoustics camera manufacture method, comprises the following steps:
Step S(a is provided), provide on plate 11 forwardly, to be formed with perception Kong13 the place ahead shell 10, to form the rear shell 50 of a group and protective substrate with described the place ahead shell 10;
Substrate is placed step S(b), by radial direction continuous arrangement, add the substrate of MEMS microphone 20, be installed on described the place ahead shell 10 below or described rear shell 50 before;
Taking lens is placed step S(c), taking lens 41 is installed on to camera aperture 15;
Number of assembling steps S(d), utilize link tool, link shell 50，Shi the place ahead, shell 10Yu rear, described the place ahead shell 10, substrate 30Ji rear shell 50 is integrated.
Alternatively, after described the place ahead shell 10, protrude and be formed with the 1st hollow fixture 18; Before described rear shell 50, protrude and be formed with the 2nd hollow fixture 58; At described number of assembling steps S(d) in, by forming threaded sheet metal 19 on inner peripheral surface, be pressed into the hollow bulb of described the 1st hollow fixture 18 and fix, by connecting bolt or the screw of the 2nd hollow fixture 58, the 2nd hollow fixture 58 and the 1st hollow fixture 18 being linked fastening.
Alternatively, at described taking lens, place step S(c) afterwards, at described number of assembling steps S(d) before, also comprise:
The filming image portion 40 that the signal of video signal that taking lens 41 is taken is processed is installed on the step at described substrate 30 rear; With
Obtaining the acoustic signal of MEMS microphone 20 perception and passing to the step that the data of calculation apparatus take plate 70 to be electrically connected to described substrate.
Alternatively, also add the handle portion that rearward protrude at shell 50 rear; At the described step S(a that provides) in, described handle portion is from being just assembled at first shell 50 rear, described rear and providing, or, at described number of assembling steps S(d) afterwards, handle portion is linked to after shell 10 edge, described the place ahead or rear shell 50.
The invention has the beneficial effects as follows:
(1) utilize MEMS microphone to improve innovatively original acoustics camera, it makes the PCB(flexible printed circuit board of MEMS microphone) form used, thereby can be improved innovatively Production Time and manufacturing cost;
(2) also introduce handle portion, even if do not use fixedly connected equipment or means, if experimenter holds camera in position or space arbitrarily or is put on plane desk etc., can realize position to arrange, move use, installation, position, position is easily fixing.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the portable acoustics camera stereogram of one embodiment of the invention;
Fig. 2 is the portable acoustics camera front view of one embodiment of the invention;
Fig. 3 is the portable acoustics camera rearview of one embodiment of the invention;
Fig. 4 is portable acoustics camera (the removing rear shell) upward view of one embodiment of the invention;
Fig. 5 (a, b) is the forward and backward details drawing of portable acoustics camera the place ahead shell of one embodiment of the invention;
Fig. 6 (a, b) is the forward and backward details drawing of portable acoustics camera rear shell of one embodiment of the invention;
Fig. 7 is the portable acoustics camera rear inner panel details drawing of one embodiment of the invention;
Fig. 8 is the portable acoustics camera image shoot part details drawing of one embodiment of the invention;
Fig. 9 is the handle list product exploded view of one embodiment of the invention;
Figure 10 is the flow chart of the portable acoustics camera of the present invention manufacture method.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
With reference to the accompanying drawings, the portable acoustics camera of one embodiment of the invention is elaborated.
In the present invention, what is called is exposed, and does not refer to protrusion, and refers to the passage in have that air, sound wave, fluctuation, light can enter electric, physics, space.In the present invention, MEMS microphone is for the object for mobile phone etc., original microphone is made into electronic chip form, is the concept of the common MEMS microphone (for example, capacitor type silicon MEMS microphone, capacitance-type microphone) of commercialization while being all included in the present patent application.Now, along with the development of mobile phone technique, its performance develops tremendously, shows and is only second to the performance of measuring with microphone.
The portable acoustics camera of one embodiment of the invention as shown in Figures 1 to 5, comprises the place ahead shell 10, MEMS microphone 20, substrate, filming image Bu40He rear shell 50.
As shown in Figures 1 to 5, the place ahead shell 10 configures towards the place ahead for the sound equipment sense part of MEMS microphone 20.MEMS microphone 20 is being fixed under the state of substrate, and sound equipment sense part is exposed to described the place ahead shell 10.
As shown in Figures 1 to 5, substrate installs additional for MEMS microphone 20.The taking lens 41 of filming image portion 40 exposes by the camera aperture of the place ahead shell 10.Filming image portion 40 can append possesses the known electronic installation that the signal of video signal that taking lens 41 is taken converts the signal of telecommunication to, for example collection of images, signal conversion or image signal processor.
As shown in Figures 1 to 5, rear shell 50 is positioned at described substrate under the state of side below of the place ahead shell 10, surrounds the rear side of described substrate 30 and the rear side of filming image portion 40.Shell 10Yu rear, the place ahead shell 50, when using plastic resin, has beneficial effect aspect mouldability and weight.
In the portable acoustics camera of one embodiment of the invention, as depicted in figs. 1 and 2, preferably MEMS microphone 20 forms to radial direction 2～30 blade parts 22 with straight line or curve or spiral-shaped expansion, on a described blade part 22, separates and arranges 2～50 MEMS microphones 20.
In the portable acoustics camera of one embodiment of the invention, preferably also comprise handle portion, handle portion is fixed on shell 10 edge, the place ahead or rear shell 50 and rearward protrudes.As shown in Figure 3, preferably handle portion comprises the left side handle 61He right side handle 65 being symmetrically formed.
In the portable acoustics camera of one embodiment of the invention, as shown in Figure 3, preferred described left side handle 61 comprises: the 1st montant 61a，Qi upper end, top is fixed on described rear shell 50 and is extended ，Qi lower end downwards and is combined with the 1st lower crosspiece 61b rear end; The 1st lower crosspiece 61b, its front end is fixed on described rear shell 50 and rearward extends, and be combined with described the 1st montant 61a lower end, top in its rear end; Described right side handle 65 comprises: the 2nd montant 65a，Qi upper end, top is fixed on described rear shell 50 and is extended ，Qi lower end downwards and is combined with the 2nd lower crosspiece 65b rear end; The 2nd lower crosspiece 65b, its front end is fixed on described rear shell 50 and rearward extends, and be combined with described the 2nd montant 65a lower end, top in its rear end.
In the portable acoustics camera of one embodiment of the invention, as shown in Figure 3 and Figure 4, preferably the lower support point 103 of the sideline, lower support Dian102Huo bottom of shell 10Huo rear, the place ahead shell 50, the lower support point 101 of left side handle 61, described right side handle 65 forms a plane, thereby be configured, can make acoustics camera be supported in the works in plane.
In the portable acoustics camera of one embodiment of the invention, as shown in Figure 3, preferably, between left side handle 61He right side handle 65, also possesses the central handle 67 that direction extends up and down.As shown in Figure 3, preferably the central authorities below of shell 50 are formed with inclined plane 50b in the wings, are also formed with the bottom surface slot part 50a of depression, and the medial surface of described central handle 67 is to described bottom surface slot part 50a.
In the portable acoustics camera of one embodiment of the invention, as shown in Figure 1 to Figure 3, preferably shell 10Yu rear, the place ahead shell 50 is to manufacture by injection moulding, and described left side handle 61, right side handle 65, central handle 67 utilize link tool to be assembled in described rear shell 50.Preferably the place ahead shell 10 comprises that Ban11， the place ahead, the place ahead plate 11 that forms plane configures abreast with described substrate.
In the portable acoustics camera of one embodiment of the invention, as shown in Fig. 5 (a) and Fig. 5 (b), preferably taking lens 41 exposes by the camera aperture 15 that the central portion of plate 11 forms forwardly, and the sound equipment sense part of MEMS microphone 20 is exposed by a plurality of perception hole 13 forming on plate 11 forwardly.
The invention allows for the manufacture method of the portable acoustics camera of above-described embodiment, as shown in figure 10, comprise the following steps: step (a), provides on plate 11 forwardly, to be formed with perception Kong13 the place ahead shell 10, to form the rear shell 50 of a group and protective substrate with described the place ahead shell 10; Step (b), by radial direction continuous arrangement, add the substrate of MEMS microphone 20, be installed on described the place ahead shell 10 below or described rear shell 50 before; Step (c), is installed on camera aperture 15 by taking lens 41; Step (d), utilizes link tool to link shell 50，Shi the place ahead, shell 10Yu rear, the place ahead shell 10, substrate and rear shell 50 integrated.
As shown in Fig. 6 (a), Fig. 6 (b) and Fig. 7, in the portable acoustics camera manufacture method of one embodiment of the invention, preferably rear shell 50 is tortuous above, and smooth inner panel 55Yu rear, rear shell 50 combines.
As shown in Fig. 5 (a), Fig. 5 (b), Fig. 6 (a) and Fig. 6 (b), in the portable acoustics camera manufacture method of one embodiment of the invention, after preferred shell 10 forwardly, protrusion is formed with the 1st hollow fixture 18, in the wings shell 50 before, protrusion is formed with the 2nd hollow fixture 58, in above-mentioned steps (d), by link tool, described the 1st hollow fixture 18 and the 2nd hollow fixture 58 are carried out fasteningly, shell 10Yu rear, described the place ahead shell 50 is realized integrated.
As shown in Fig. 5 (a), Fig. 5 (b), Fig. 6 (a) and Fig. 6 (b), in the portable acoustics camera manufacture method of one embodiment of the invention, preferably by forming threaded sheet metal on inner peripheral surface, be pressed into the hollow bulb of the 1st hollow fixture 18 and fix, described link tool is bolt or the screw that connects the 2nd hollow fixture 58.
In the portable acoustics camera manufacture method of one embodiment of the invention, as shown in Figure 8, preferably at described taking lens, place step S(c) afterwards, at described number of assembling steps S(d) before, also comprise: the filming image portion 40 that the signal of video signal that taking lens 41 is taken is processed is installed on the step at the rear of described substrate; Obtaining the acoustic signal of MEMS microphone 20 perception and passing to the step that the data of calculation apparatus take plate 70 to be electrically connected to described substrate.
In the portable acoustics camera manufacture method of one embodiment of the invention, preferably also add the handle portion that rearward protrude at shell 50 rear, step S(a is being provided) in, described handle portion is from being just assembled at first shell 50 rear, described rear and providing, or, at described number of assembling steps S(d) afterwards, handle portion is linked to after shell 10 edge, described the place ahead or rear shell 50.
As shown in Figure 9, left side handle 61He right side handle 65 is after being injection molded into two sheet 62a and 62b, and two form one group, links, adhesive bond, and binding site is polished, and has smooth external.
The invention provides a kind of portable acoustics camera, utilize MEMS microphone to improve innovatively original acoustics camera, it makes the PCB(flexible printed circuit board of MEMS microphone) form used, thereby can be improved innovatively Production Time and manufacturing cost; Also introduce handle portion, even if do not use fixedly connected equipment or means, if experimenter holds camera in position or space arbitrarily or is put on plane desk etc., can realize position to arrange, move use, installation, position, position is easily fixing.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a portable acoustics camera, is characterized in that, comprising:
The place ahead shell (10), its sound equipment sense part for MEMS microphone (20) configures towards the place ahead;
Described MEMS microphone (20) is fixed on substrate, and its sound equipment sense part is exposed to described the place ahead shell (10);
Substrate, it installs additional for described MEMS microphone (20);
Filming image portion (40), its taking lens (41) exposes by the camera aperture of described the place ahead shell (10);
Rear shell (50), it surrounds the rear side of described substrate (30) and the rear side of filming image portion (40).
2. portable acoustics camera according to claim 1, is characterized in that,
Described MEMS microphone (20) forms to radial direction 2～30 blade parts (22) with straight line or curve or spiral-shaped expansion, upper at a described blade part (22), separates and is arranged with 2～50 MEMS microphones (20).
3. portable acoustics camera according to claim 1, is characterized in that,
Also comprise handle portion, it is fixed on edge or the rear shell (50) of described the place ahead shell (10) and rearward protrudes, and described handle portion comprises left side handle (61) and the right side handle (65) being symmetrically formed;
Described left side handle (61) comprising: the 1st top montant (61a) ，Qi upper end is fixed on described rear shell (50) and is extended ，Qi lower end downwards and is combined with the rear end of the 1st lower crosspiece (61b); The 1st lower crosspiece (61b), its front end is fixed on described rear shell (50) and rearward extends, and be combined with the lower end of described the 1st top montant (61a) in its rear end;
Described right side handle (65) comprising: the 2nd top montant (65a) ，Qi upper end is fixed on described rear shell (50) and is extended ，Qi lower end downwards and is combined with the rear end of the 2nd lower crosspiece (65b); The 2nd lower crosspiece (65b), its front end is fixed on described rear shell (50) and rearward extends, and be combined with the lower end of described the 2nd top montant (65a) in its rear end.
4. portable acoustics camera according to claim 3, is characterized in that,
The bottom fulcrum (103) of the lower support point (102) of described the place ahead shell (10) or rear shell (50) or sideline, bottom, the lower support point (101) of described left side handle (61), described right side handle (65) forms a plane, and described acoustics camera is supported in described plane.
5. portable acoustics camera according to claim 3, is characterized in that,
Between described left side handle (61) and right side handle (65), also possesses the central handle (67) that direction extends up and down;
Central authorities below at described rear shell (50) are formed with inclined plane (50b), are also formed with the bottom surface slot part (50a) of depression, and the medial surface of described central handle (67) is to described bottom surface slot part (50a);
Described the place ahead shell (10) is manufactured by injection moulding with rear shell (50), and described left side handle (61), right side handle (65), central handle (67) utilize link tool to be assembled in described rear shell (50).
6. according to the portable acoustics camera described in claim 4 or 5, it is characterized in that,
Described taking lens (41) exposes by the camera aperture (15) that the central portion of plate (11) forms forwardly;
The sound equipment sense part of described MEMS microphone (20) is by exposing in the upper a plurality of perception hole (13) forming of described the place ahead plate (11).
7. a portable acoustics camera manufacture method, is characterized in that, comprises the following steps:
Step S(a is provided), the place ahead shell (10) of being formed with perception hole (13) on plate (11) is forwardly provided, forms the rear shell (50) of a group and protective substrate with described the place ahead shell (10);
Substrate is placed step S(b), will be to radial direction continuous arrangement, add the substrate of MEMS microphone (20), be installed on described the place ahead shell (10) below or described rear shell (50) before;
Taking lens is placed step S(c), taking lens (41) is installed on to camera aperture (15);
Number of assembling steps S(d), utilize link tool, link described the place ahead shell (10) integrated with rear shell (50) ，Shi the place ahead shell (10), substrate (30) and rear shell (50).
8. portable acoustics camera manufacture method according to claim 7, is characterized in that,
After described the place ahead shell (10), protrude and be formed with the 1st hollow fixture (18);
Before described rear shell (50), protrude and be formed with the 2nd hollow fixture (58);
At described number of assembling steps S(d) in, by forming threaded sheet metal (19) on inner peripheral surface, be pressed into the hollow bulb of described the 1st hollow fixture (18) and fix, by connecting bolt or the screw of the 2nd hollow fixture (58), the 2nd hollow fixture (58) and the 1st hollow fixture (18) being linked fastening.
9. portable acoustics camera manufacture method according to claim 7, is characterized in that,
At described taking lens, place step S(c) afterwards, at described number of assembling steps S(d) before, also comprise:
The filming image portion (40) that the signal of video signal that taking lens (41) is taken is processed is installed on the step at the rear of described substrate (30); With
Obtaining the acoustic signal of MEMS microphone (20) perception and passing to the step that the data of calculation apparatus take plate (70) to be electrically connected to described substrate.
10. portable acoustics camera manufacture method according to claim 7, is characterized in that,
Also add the handle portion that rearward protrude at the rear of shell (50);
At the described step S(a that provides) in, described handle portion is from being just assembled at first the rear of described rear shell (50) and providing,
Or, at described number of assembling steps S(d) afterwards, handle portion is linked to the edge of described the place ahead shell (10) or rear shell (50) below.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310372891.9A CN103516969A (en) | 2013-08-23 | 2013-08-23 | Movable acoustical camera and manufacturing method |
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| CN201310372891.9A CN103516969A (en) | 2013-08-23 | 2013-08-23 | Movable acoustical camera and manufacturing method |
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| CN104883482A (en) * | 2015-05-15 | 2015-09-02 | 萨姆株式会社 | Multi-channel ultrasonic acoustic camera for mechanical state monitoring |
| CN106124040A (en) * | 2016-05-18 | 2016-11-16 | 萨姆株式会社 | Noise source visualization data accumulation display packing, data processing equipment and acoustical camera system |
| CN106197652A (en) * | 2015-09-08 | 2016-12-07 | 萨姆株式会社 | Utilize omnirange acoustical camera and the omnirange sound visualization device of MEMS sound transducer |
| CN110687506A (en) * | 2019-10-11 | 2020-01-14 | 国网陕西省电力公司电力科学研究院 | Low-frequency noise source positioning device and method based on vector microphone array |
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| CN104883482A (en) * | 2015-05-15 | 2015-09-02 | 萨姆株式会社 | Multi-channel ultrasonic acoustic camera for mechanical state monitoring |
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Application publication date: 20140115 |