CN103546855B - A kind of testing jig for loudspeaker test - Google Patents
A kind of testing jig for loudspeaker test Download PDFInfo
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- CN103546855B CN103546855B CN201310529249.7A CN201310529249A CN103546855B CN 103546855 B CN103546855 B CN 103546855B CN 201310529249 A CN201310529249 A CN 201310529249A CN 103546855 B CN103546855 B CN 103546855B
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- cantilever
- loudspeaker
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- testing jig
- extension rod
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Abstract
The present invention provides a kind of testing jig for loudspeaker test, and described testing jig includes bracing frame and cantilever, and described cantilever is connected with support frame as described above, and described cantilever is vertically placed and supported to support frame as described above, and described cantilever is provided with the fixture for fixing loudspeaker. The present invention is by arranging the structure of bracing frame and cantilever, it is possible to the position of loudspeaker in simulated television complete machine such that it is able to obtain the sounding effect of loudspeaker in more real whole set of television in testing, it is possible to make test structure more accurate.
Description
Technical field
The present invention relates to loudspeaker technical field of measurement and test, particularly relate to a kind of testing jig for loudspeaker test.
Background technology
For TV, except its image display quality, the sound effect of TV is also the key factor affecting consumer experience. Particularly in current flat panel TV field, liquid crystal display has become as the mainstream scheme of Display Technique, and the structural design of whole set of television is more and more thinner, and inner space is limited, and type selecting and putting position thus for loudspeaker have stricter requirement.
When designing the structure of whole set of television, it will usually loudspeaker are tested, with the sounding effect of test horn. But existing method of testing is generally only to switch on power and carries out audition, without considering each loudspeaker putting and collocation mode in complete machine, it is impossible to audio and sound field to producing after the putting by predetermined scheme of loudspeaker each in complete machine are tested. Visible existing method of testing cannot simulate the sounding effect after each loudspeaker are put in complete machine by predetermined scheme, there is the defect that test effect is not accurate enough.
Summary of the invention
In view of this, it is an object of the invention to provide a kind of testing jig for loudspeaker test, so that loudspeaker putting position in a television set can be simulated such that it is able to obtain more real sounding effect in testing.
For achieving the above object, the present invention provides a kind of testing jig for loudspeaker test, and described testing jig includes bracing frame and cantilever, and described cantilever is connected with support frame as described above, described cantilever is vertically placed and supported to support frame as described above, and described cantilever is provided with the fixture for fixing loudspeaker.
Preferably, described fixture includes for two locking pieces fixing loudspeaker, and two described locking pieces are connected with described cantilever, and at least one described locking piece can move to adjust the distance between two described locking pieces along described cantilever.
Preferably, described fixture is two, and at least one described fixture can move to adjust the distance between two described fixtures along described cantilever.
Preferably, described cantilever is provided with slide rail, described fixture is provided with the chute coordinated with described slide rail.
Preferably, described slide rail is provided with multiple by the first hole, location of preset space length arrangement, described chute is provided with position the second hole, location alignd in hole with described first, and described fixture includes alignment pin, described alignment pin can pass described first hole, location and described second hole, location, to be fixed on described cantilever by described fixture.
Preferably, described fixture is two, and it is separately positioned on the two ends of described cantilever, described cantilever includes connecting portion and extension rod, described connecting portion is arranged on support frame as described above, described extension rod is threaded connection the two ends being fixed on described connecting portion, one end of described extension rod is provided with the one in female thread or external screw thread, the other end of described extension rod is provided with the another one in female thread or external screw thread, so that described extension rod can be connected the length adjusting described cantilever with extension rod another described, described fixture can be arranged on described extension rod.
Preferably, described fixture includes annular snap close and for fixing the carrier member of loudspeaker, and described carrier member is arranged on described ring lock and buckles, and described annular snap close can by default towards being enclosed within described extension rod and being fixed on described extension rod.
Preferably, support frame as described above is connected with the middle part of described cantilever, the two ends of described cantilever are respectively arranged with described fixture, described testing jig also includes installed part, described installed part is arranged on support frame as described above and two described fixtures are symmetrical relative to described installed part, and described installed part is used for fixing loudspeaker.
Preferably, described installed part includes installing rack and two mounting bars, two described mounting bars are provided with multiple lockhole can fix various sizes of loudspeaker by preset pitch, two described mounting bars are connected with described installing rack and level interval between two described mounting bars is adjustable, and described installing rack is connected with support frame as described above.
Preferably, described fixture includes universal joint, and described universal joint is connected with described cantilever, described universal joint can be used in fixing loudspeaker and adjust loudspeaker towards.
Preferably, described testing jig also includes base, and support frame as described above is fixing with described base to be connected.
Visible, the present invention is by arranging the structure of bracing frame and cantilever, it is possible to the position of loudspeaker in simulated television complete machine such that it is able to obtain the sounding effect of loudspeaker in more real whole set of television in testing, it is possible to make test structure more accurate. Additionally, the present invention can also adapt to various sizes of loudspeaker, it is possible to simulate the position of loudspeaker in various sizes of TV, meet more testing requirement, simultaneously, additionally it is possible to adjust in testing loudspeaker towards, it is possible to test horn different towards sounding effect.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below. In the accompanying drawings:
Fig. 1 is the testing jig topology example figure for loudspeaker test provided by the present invention;
Fig. 2 is cantilever and the anchor structure exemplary plot of testing jig provided by the present invention;
Fig. 3 is the side view of testing jig provided by the present invention;
Fig. 4 is the topology example figure of the cantilever of testing jig provided by the present invention;
Fig. 5 is the application example figure of testing jig provided by the present invention;
Fig. 6 is the Another Application instance graph of testing jig provided by the present invention.
Description of reference numerals
10-bracing frame; 20-cantilever; 21-connecting portion; 22-extension rod; 30-fixture; 31-locking piece; 40-installed part; 41-mounting bar; 42-installing rack; 50-base; 60-loudspeaker.
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail. It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
The present invention provides a kind of testing jig for loudspeaker test, and as shown in Figures 1 to 6, this testing jig can include bracing frame 10 and cantilever 20. Wherein, cantilever 20 can be connected with bracing frame 10, and bracing frame 10 can vertically be placed and supporting cantilever 20, and is provided with the fixture 30 for fixing loudspeaker on cantilever 20.
Adopt said structure, can when loudspeaker be tested, loudspeaker are fixed on fixture 30, and utilize bracing frame 10 and the attachment structure of cantilever 20, simulation loudspeaker position in whole set of television, it is thus possible to obtain loudspeaker sounding effect in whole set of television more truly, it is possible to make test structure more accurate. It should be noted that the fixed form of loudspeaker can be set by fixture 30 as required, it is possible to adopt lockhole and screw to be fixed, or, it would however also be possible to employ nested mode is fixed, the invention is not limited in this regard.
Further, can be as shown in the figure, fixture 30 can include two locking pieces 31 for fixing loudspeaker, and these two locking pieces 31 can be connected with cantilever 20, and at least one of which locking piece 31 can move to adjust the distance between two locking pieces 31 along cantilever 20. Preferably, it is possible to being set to two locking pieces 31 can both move with can distance between two locking pieces 31 of flexible along cantilever 20. Adopt said structure, it is possible to fix loudspeaker by two locking pieces 31, and the distance between two locking pieces 31 is adjustable, it is possible to adapt to the various sizes of loudspeaker of different model.
Further, as in figure 2 it is shown, the fixture 30 provided in the present invention can be two, and at least one fixture 30 can move along cantilever 20, to adjust the distance between two fixtures 30.
Preferably, it is possible to being set to two fixtures 30 can both move along cantilever 20, with can in test process distance between two fixtures 30 of flexible. Generally, whole set of television can, at two loudspeaker of sustained height horizontal positioned to obtain better audio, therefore, it can in the present invention, cantilever arranges two fixtures 30 to fix two loudspeaker respectively, thus the position of two loudspeaker of same level height in simulated television complete machine. Simultaneously, at least one of which fixture 30 can be made can to move along cantilever 20, so that the distance between two fixtures 30 can be adjusted, so, the distance between two loudspeaker that two fixtures 30 are fixed can be adjusted according to actual needs, it is possible to simulate the putting position of two loudspeaker in various sizes of whole set of television.
Further, cantilever 20 can be provided with slide rail, fixture 30 can be provided with the chute coordinated with slide rail, so, can so that fixture 30 can move along cantilever 20, it is thus possible to adjust the fixture 30 position on cantilever 20 such that it is able to regulate the position of the loudspeaker that fixture 30 is fixed.Specifically, when fixture 30 includes two locking pieces 31, locking piece 31 can also adopt the mode that above-mentioned slide rail coordinates with chute to move along cantilever 20. Adopt the structure that above-mentioned slide rail coordinates with chute that fixture 30 can be moved along cantilever 20 easily, do not need power-off can regulate the position of the loudspeaker that fixture 30 is fixed neatly in test process.
Preferably, in order in said structure, the position of fixture 30 can be fixed when fixture 30 slides on cantilever 20, can be provided with multiple by the first hole, location of preset space length arrangement on the slide rail of cantilever 20, can be provided with positioning the second hole, location alignd in hole with above-mentioned first on the chute of fixture 30, and fixture 30 can include alignment pin, this alignment pin can pass the first hole, location and the second hole, location and is fixed on cantilever 20 by fixture 30. As such, it is possible to after making fixture 30 slide and slide into predeterminated position on the slide rail of cantilever 20, it is possible to by alignment pin, the position of fixture 30 is fixed.
Further, can be as shown in Figure 4, fixture 30 can be two and be separately positioned on the two ends of cantilever 20, cantilever 20 can include connecting portion 21 and extension rod 22, wherein, connecting portion 21 can be arranged on bracing frame 10, extension rod 22 can be threaded connection the two ends being fixed on connecting portion 21, and one end of extension rod 22 can be provided with the one in female thread or external screw thread, the other end can be provided with the another one in female thread or external screw thread, so that two or more extension rods 22 can be connected the length adjusting cantilever 20, fixture 30 can be arranged on extension rod 22. adopt said structure, can choose according to the actual requirements in testing after the extension rod 22 of respective amount is connected is fixed on connecting portion 21, so that cantilever 20 reaches preset length, and, fixture 30 can be arranged on extension rod 22, as such, it is possible to simulate the putting position of loudspeaker in various sizes of whole set of television by adjusting the length of cantilever 20.
Further, fixture 30 can include annular snap close and and for fixing the carrier member of loudspeaker, wherein, carrier member can be arranged on ring lock and buckle, and annular snap close can according to default towards being enclosed within extension rod 22 and being fixed on extension rod 22. Specifically, ring lock is buckled and can be provided with the ear's structure with lock hole, annular snap close can by default towards being enclosed within extension rod 22, bolt can be utilized through above-mentioned lock hole and to be fixed on extension rod 22 by nut by annular snap close, afterwards, can also loose nut so that annular snap close can rotate along extension rod 22, and annular snap close turn to preset towards after again clamp nut with the position of stationary annular snap close. Adopt said structure, it is possible to make can to adjust as required in testing the loudspeaker that fixture 30 fix towards, it is possible to for loudspeaker difference towards sounding effect test.
Further, can be as shown in Figure 1, bracing frame 10 can be connected with the middle part of cantilever 20, the two ends of cantilever 20 are respectively arranged with fixture 30, testing jig provided by the present invention also includes installed part 40, this installed part 40 can be arranged on bracing frame 10 and make two fixtures 30 relative to installed part 40 for symmetrical, and this installed part 40 can be used in fixing loudspeaker. In order to obtain better sound effect, in some whole set of television, the configuration of 2.1 sound channels can be adopted, namely two alt loudspeaker and a bass horn are set, wherein, bass horn is generally arranged at the middle part of whole set of television, and two alt loudspeaker are arranged on the both sides of TV and are symmetric relative to bass horn.Thus, adopt said structure, it is possible to fix two alt loudspeaker respectively by two fixtures 30, fix bass horn by installed part 40 such that it is able to simulation has the sounding effect of the whole set of television of 2.1 sound channels.
It should be noted that in said structure, cantilever 20 can need to be arranged on top or the bottom of bracing frame 10 according to test, and the present invention is without limitation.
Further, can as shown in Fig. 1 or Fig. 3, installed part 40 can include two mounting bars 41 and installing rack 42, wherein, two mounting bars 41 all can arrange multiple lockhole can fix various sizes of loudspeaker 60 by preset pitch, two mounting bars 41 are connected with installing rack 42 and distance between two mounting bars 41 is adjustable, and installing rack 42 can pass through screw and be connected with bracing frame 10. Adopt said structure, enable to mounting bar 41 and can fix various sizes of bass horn, disclosure satisfy that more testing requirement, specifically, installing rack 42 can be rectangle frame, mounting bar 41 can be provided with hook can hang on installing rack 42, and installing rack 42 can pass through screw bolt and nut and be connected with bracing frame, so can so that the assembling of installed part 40 is more convenient.
Further, it is possible to as shown in Figure 5 and Figure 6, fixture 30 can include universal joint, and this universal joint can be connected with cantilever 20, and this universal joint can fix loudspeaker 60 and adjust loudspeaker 60 towards. Specifically, universal joint can be fixed on cantilever 20, and by the fixing loudspeaker 60 of universal joint, so, can pass through universal joint adjust loudspeaker 60 towards, it is possible to for loudspeaker 60 difference towards sounding effect test, wherein, in Fig. 5 and Fig. 6 example shown, the sounding of loudspeaker is towards respectively sounding and downward sounding (as shown in arrow in Fig. 5 and Fig. 6) forward.
Further, as it is shown on figure 3, testing jig provided by the present invention can also include base 50, this base 50 can be connected with bracing frame 10. By arranging base 50, it is possible to make whole testing jig more stable when vertically placing.
In the above-mentioned description of this invention, fixture can be made can to slide to adjust the position of fixture on cantilever by the mode that slide rail coordinates with chute, or, it is also possible to by the mode that extension rod splices, change the length on cantilever to adjust the position of fixture. It should be noted that except said structure, it is also possible to use other structure to realize the adjustment (such as, cantilever can include expansion link, and fixture can be arranged on expansion link) to fixture position on cantilever, the invention is not limited in this regard.
Additionally, in the above-mentioned description of this invention, it is possible to by annular snap close or universal joint, it is achieved to loudspeaker towards adjustment, so can so that in test process can easily as required to loudspeaker different towards sounding effect test. It should be noted that except said structure, it is also possible to use other structure realize to loudspeaker towards adjustment, the invention is not limited in this regard.
The above-mentioned description for testing jig provided by the present invention is carried out, can be seen that, the present invention is by arranging the structure of bracing frame and cantilever, can the position of loudspeaker in simulated television complete machine, it is thus possible to obtain the sounding effect of loudspeaker in more real whole set of television in testing, it is possible to make test structure more accurate. Additionally, the present invention can also adapt to various sizes of loudspeaker, it is possible to simulate the position of loudspeaker in various sizes of TV, meet more testing requirement, simultaneously, additionally it is possible to adjust in testing loudspeaker towards, it is possible to test horn different towards sounding effect.
It is understood that the principle that is intended to be merely illustrative of the present of embodiment of above and the illustrative embodiments that adopts, but the invention is not limited in this.For those skilled in the art, without departing from the spirit and substance in the present invention, it is possible to make various modification and improvement, these modification and improvement are also considered as protection scope of the present invention.
Claims (9)
1. the testing jig for loudspeaker test, it is characterized in that, described testing jig includes bracing frame and cantilever, described cantilever is connected with support frame as described above, support frame as described above is vertically placed and supports described cantilever, described cantilever is provided with the fixture for fixing loudspeaker, described fixture is two, and at least one described fixture can move to adjust the distance between two described fixtures along described cantilever, described fixture includes two locking pieces for fixing loudspeaker, two described locking pieces are connected with described cantilever, and at least one described locking piece can move to adjust the distance between two described locking pieces along described cantilever.
2. testing jig according to claim 1, it is characterised in that be provided with slide rail on described cantilever, described fixture is provided with the chute coordinated with described slide rail.
3. testing jig according to claim 2, it is characterized in that, described slide rail is provided with multiple by the first hole, location of preset space length arrangement, described chute is provided with position the second hole, location alignd in hole with described first, and described fixture includes alignment pin, described alignment pin can pass described first hole, location and described second hole, location, to be fixed on described cantilever by described fixture.
4. testing jig according to claim 1, it is characterized in that, described fixture is two, and it is separately positioned on the two ends of described cantilever, described cantilever includes connecting portion and extension rod, described connecting portion is arranged on support frame as described above, described extension rod is threaded connection the two ends being fixed on described connecting portion, one end of described extension rod is provided with the one in female thread or external screw thread, the other end of described extension rod is provided with the another one in female thread or external screw thread, so that described extension rod can be connected the length adjusting described cantilever with extension rod another described, described fixture can be arranged on described extension rod.
5. testing jig according to claim 1, it is characterized in that, described fixture includes annular snap close and for fixing the carrier member of loudspeaker, described carrier member is arranged on described ring lock and buckles, and described annular snap close can by default towards being enclosed within described extension rod and being fixed on described extension rod.
6. the testing jig according to claim 1 or 4, it is characterized in that, support frame as described above is connected with the middle part of described cantilever, the two ends of described cantilever are respectively arranged with described fixture, described testing jig also includes installed part, described installed part is arranged on support frame as described above and two described fixtures are symmetrical relative to described installed part, and described installed part is used for fixing loudspeaker.
7. testing jig according to claim 6, it is characterized in that, described installed part includes installing rack and two mounting bars, two described mounting bars are provided with multiple lockhole can fix various sizes of loudspeaker by preset pitch, two described mounting bars are connected with described installing rack and level interval between two described mounting bars is adjustable, and described installing rack is connected with support frame as described above.
8. testing jig according to claim 1, it is characterised in that described fixture includes universal joint, and described universal joint is connected with described cantilever, described universal joint can be used in fixing loudspeaker and adjust loudspeaker towards.
9. testing jig according to claim 1, it is characterised in that described testing jig also includes base, support frame as described above is fixing with described base to be connected.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310529249.7A CN103546855B (en) | 2013-10-31 | 2013-10-31 | A kind of testing jig for loudspeaker test |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310529249.7A CN103546855B (en) | 2013-10-31 | 2013-10-31 | A kind of testing jig for loudspeaker test |
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| CN103546855A CN103546855A (en) | 2014-01-29 |
| CN103546855B true CN103546855B (en) | 2016-06-15 |
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| CN201310529249.7A Active CN103546855B (en) | 2013-10-31 | 2013-10-31 | A kind of testing jig for loudspeaker test |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104159183B (en) * | 2014-07-11 | 2017-12-01 | 歌尔股份有限公司 | A kind of test system of dynamic balancing laminate testing device and the application device |
| CN105933843A (en) * | 2016-06-30 | 2016-09-07 | 奇瑞汽车股份有限公司 | Base frame for testing sound of loudspeaker unit |
| CN110099349B (en) * | 2019-04-01 | 2021-11-09 | 广州市建桥音响配件有限公司 | Multifunctional testing platform for loudspeaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427944Y (en) * | 1999-10-21 | 2001-04-25 | 朱曜明 | Chair like voice box ear-phone frame |
| CN101190776A (en) * | 2007-06-22 | 2008-06-04 | 王招永 | Panel television or liquid crystal display screen lifting machine |
| CN102691862A (en) * | 2012-06-15 | 2012-09-26 | 苏州市庆鼎精密机械制品有限公司 | Television bracket |
-
2013
- 2013-10-31 CN CN201310529249.7A patent/CN103546855B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2427944Y (en) * | 1999-10-21 | 2001-04-25 | 朱曜明 | Chair like voice box ear-phone frame |
| CN101190776A (en) * | 2007-06-22 | 2008-06-04 | 王招永 | Panel television or liquid crystal display screen lifting machine |
| CN102691862A (en) * | 2012-06-15 | 2012-09-26 | 苏州市庆鼎精密机械制品有限公司 | Television bracket |
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