CN207518856U - A kind of cone detection device - Google Patents
A kind of cone detection device Download PDFInfo
- Publication number
- CN207518856U CN207518856U CN201721775733.8U CN201721775733U CN207518856U CN 207518856 U CN207518856 U CN 207518856U CN 201721775733 U CN201721775733 U CN 201721775733U CN 207518856 U CN207518856 U CN 207518856U
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- Prior art keywords
- base
- cone
- signal
- detected
- detection device
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Abstract
The utility model provides a kind of cone detection device, including first base, second base, multiple stents, phonation unit, fixed cell, microphone and processing unit.Wherein second base has trepanning, to fixation cone to be detected；Multiple stents are set up between first base and the second base, correspondingly to fix first base and second base；Phonation unit is set to surface of the first base towards second base, to send out the first signal to cone to be detected；Fixed cell is used to cone to be detected being fixed in phonation unit；Microphone is set to second base back on the direction of first base, for receiving the second signal；Second signal is across the first signal after cone to be detected；Processing unit is electrically connected to microphone, for the first signal of comparative analysis and the second signal.The cone detection device can effectively and truly measure frequency response of the cone in each frequency range, and draw frequency response curve.
Description
Technical field
The utility model is related to the technical field of loud speaker Acoustic detection, more particularly, to a kind of actually detected cone frequency
The cone detection device of response.
Background technology
It, can be easily to material in addition to generally in routine work about the detection of cone at present in the detection process of loudspeaker
It is detected and weight is measured outer, it is also necessary to which the resonant frequency of cone is tested.The test method of resonant frequency,
Mainly indirect test method positions loudspeaker and is born a heavy burden, lowest resonance frequency is completed using laser FO test systems
（FO）Test job.But the frequency response that cone to be detected simultaneously can not be really measured using this indirect test method is bent
Line, and frequency response curve actually has most direct relationship with the output sound quality of cone.However in the prior art, fundamental measurement
Lowest resonance frequency is arrived, can not still obtain influences cone maximum frequency response curve.
Therefore, in the field of cone detection, technical staff needs to design the detection device for measuring frequency response curve, so as to obtain
Obtain the frequency response curve of cone to be detected.
Invention content
In order to solve the above problem of the existing technology, the utility model provides a kind of cone detection device.
To achieve the above object, the utility model provides following technical solution：
A kind of cone detection device, including：First base, second base, multiple stents, phonation unit, fixed cell, wheat
Gram wind and processing unit.Wherein, second base has trepanning, and the trepanning is to fixation cone to be detected；Multiple stents are set up
Between the first base and the second base, the multiple stent is correspondingly fixing the first base and the
Two pedestals；Phonation unit is set to surface of the first base towards second base, to being fixed on treating for the trepanning
Detection cone sends out the first signal；Fixed cell, for cone to be detected to be fixed in the phonation unit；Microphone, if
The second base is placed in back on the direction of first base, for receiving the second signal, second signal is across to be checked
Survey the first signal after cone；And processing unit, be electrically connected to the microphone, for the first signal described in comparative analysis with
Second signal.
Phonation unit sends out the first signal to cone to be detected, and the first signal forms the second signal after cone, the
Two signals are received by microphone.With microphone electrical connection processing unit by analyze respective frequencies point the first signal and
The information of second signal, so as to be drawn to frequency response curve.
As further describing for the technical solution of the utility model, it is single that the second base includes at least one clamping
Member, the clamping unit are set to surface of the second base far from the first base.
As further describing for the technical solution of the utility model, the processing unit calculates first signal and the
The difference of two signals, and whether the difference for judging to be calculated has more than a standard value.
As further describing for the technical solution of the utility model, the fixed cell includes first assembly and second group
Part, the first assembly are set to the surface that the phonation unit faces the second base, and second component will be to be detected
Cone is located between the first assembly, and second component is fixedly connected with first assembly.
As further describing for the technical solution of the utility model, the first assembly and the second component are respectively screw
With nut.
As further describing for the technical solution of the utility model, the fixed cell be screw, the phonation unit
Including screw hole, the screw passes through cone to be detected and is locked in the screw hole.
Based on above-mentioned technical solution, the technique effect that the utility model obtains is：
Cone detection device provided by the utility model, by the way that processing unit is to the first signal and the second signal and it is poor
Value is handled, and frequency response of the cone in each frequency range can effectively and be truly measured, and draw frequency response curve, so as to obtain
Obtain the frequency response curve of cone.
Description of the drawings
Fig. 1 is the explosive decomposition figure of the cone detection device of the utility model.
Fig. 2 is the clamping unit of the utility model and the component diagram of second base.
Component diagrams of the Fig. 3 for the first base of the utility model, fixed cell and phonation unit.
Wherein, the reference numerals are as follows：
1 cone detection device, 2 first base, 3 second base
4 stent, 5 phonation unit, 6 fixed cell
7 microphone, 8 processing unit
31 trepanning, 32 clamping unit
6a first assemblies the second components of 6b
S1 the first signal the second signals of S2.
Specific embodiment
For the ease of understanding the utility model, the utility model is carried out more below in conjunction with attached drawing and specific embodiment
Comprehensive description.The better embodiment of the utility model is given in attached drawing.But the utility model can be with many differences
Form realize, however it is not limited to embodiments described herein.On the contrary, the purpose of providing these embodiments is that make pair
The more thorough and comprehensive that the disclosure of the utility model understands.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
It reads herein for convenience, therefore points out " on ", " under ", "left", "right" with reference to the accompanying drawings, the purpose is to point out each member
Reference relative position between part rather than to limit the application.
Unless otherwise defined, all of technologies and scientific terms used here by the article is led with belonging to the technology of the utility model
The normally understood meaning of technical staff in domain is identical.It is only in the term used in the description of the utility model herein
The purpose of description specific embodiment, it is not intended that in limitation the utility model.
Embodiment 1
It please refers to Fig.1, Fig. 1 gives the explosive decomposition figure of the cone detection device of the present embodiment, and cone detection device 1 is wrapped
Include first base 2, second base 3, stent 4, phonation unit 5, fixed cell 6, microphone 7 and processing unit 8.Wherein, first
Pedestal 2 and second base 3 are platy structure, and shape is not limited to rectangle, circle or other polygons, in the present embodiment
In, first base 2 is set as rectangle with second base 3.
Second base 3 is provided with trepanning 31, and cone to be detected is passed through and is sticked in trepanning 31.Wherein, the shape of trepanning 31
Shape and size are corresponding with cone to be detected, and in the present embodiment, trepanning 31 is shaped to circle.2 He of first base
Second base 3 is correspondingly fixedly connected by multiple stents 4, and has one between first base 2 and second base 3
Fixed spacing, cone to be detected, which is sticked in across trepanning 31 after second base 3, to be then located in the spacing.In the present embodiment, it props up
The quantity of frame is set as 4, and stent is arranged on four angles of first base 2 and second base 3.Designer can be according to demand
Voluntarily change quantity and the position of stent.
Phonation unit 5 is set to first base 2 towards the surface of second base 3, to send out first to cone to be detected
Signal S1, wherein the first signal S1 can be the sound signal of optional frequency.Fixed cell 6 is used to cone to be detected being fixed on
In phonation unit 5, in the present embodiment, fixed cell 6 is screw, and phonation unit 5 is then correspondingly arranged on screw hole 51.Mike
Wind 7 is to be set to second base back on the direction of first base, for receiving across the first signal S1 after cone to be detected,
As the second signal S2.Designer can sets itself microphone 7 and cone to be detected according to demand distance.Wherein, Mike
Wind 7 may connect to first base 2 or second base 3, and microphone 7 can also be independently arranged.Processing unit 8 is electrically connected to microphone
7, for handling the second signal S2 received by microphone 7, and the first signal described in comparative analysis and the second signal.
In the present embodiment, cone to be detected is mounted in the trepanning 31 of second base 3, and after being fixed on phonation unit 5.
It is set according to user, phonation unit 5 sends out the first signal S1 relative to frequency, and the first signal S1 is made to pass through cone to be detected.
Due to the different characteristics of cone to be detected, the first signal S1 is changed into the second signal S2, then will penetrate after passing through cone to be detected
The the second signal S2 for crossing cone to be detected is sent to microphone 7.When microphone 7 receives the second signal S2, just by the second news
Number S2 is sent to processing unit 8, and first signal S1 and the second signal S2 are compared and analyzed by processing unit 8, corresponded to
Response, and draw frequency response curve.
In the present embodiment, what the second signal S2 that processing unit 8 receives microphone 7 was sent out with phonation unit 5
First signal S1 carries out difference operation, then judges whether the difference of the two has more than the customized standard value of user.If not yet
It has more than, then judges qualification, if more than, then judge to do the cone that detects as defective work, and removed, so as to avoid
It is used in follow-up loudspeaker assembling process to underproof cone.
It please refers to Fig.2, Fig. 2 is the clamping unit of the present embodiment and the component diagram of second base.As shown in Fig. 2, the
Two pedestals 3 include at least one clamping unit 32, and clamping unit 32 is set to surface of the second base 3 far from first base 2, i.e.,
Between second base 3 and microphone 7, for cone to be detected to be firmly located in second base 3, to avoid test process
In cone to be detected be subjected to displacement or be not mounted to designed position, so as to cause the error of follow-up test result.In this reality
It applies in example, the shape and size of clamping unit 32 are corresponding with the trepanning 31 of second base 3, with accurately by cone to be detected
Edge is located in the edge of the trepanning 31 of second base 3.Certainly, designer can according to demand to the shape of clamping unit 32 and
Size is changed, to meet the clamping to cone to be detected.
It please refers to Fig.3, Fig. 3 gives the component diagram of the first base of the present embodiment, fixed cell and phonation unit.
As shown in figure 3, fixed cell 6 includes first assembly 6a and the second component 6b, wherein first assembly 6a is set to 5 face of phonation unit
To the surface of second base 3, when cone to be detected is assembled to the cone detection device 1 of the present embodiment, first assembly 6a is passed through
The bottom of cone to be detected, and the second component 6b is then used to the part of cone be passed through to be fixedly connected with first assembly 6a, this
Kind is fixedly connected with mode and is combined for locking, and then achievees the purpose that firm cone.In the present embodiment, first assembly 6a and second
Component 6b can be but not limited to screw and nut.
In conclusion according to the cone detection device that above-described embodiment provides, by processing unit to the first signal and the
Two signals and its difference are handled, and effectively and truly measurement cone in the frequency response of each frequency range, and draws frequency
Response curve, so as to obtain the frequency response curve of cone；Misuse does not meet designer's when avoiding the follow-up loudspeaker to assemble simultaneously yet
Cone.
More than content is only the structure example and explanation of the utility model, and description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these it is aobvious and
The alternative forms being clear to belong to the scope of protection of the utility model.
Claims (6)
1. a kind of cone detection device, which is characterized in that including：
One first base；
One second base has a trepanning, and the trepanning is to fixation cone to be detected；
Multiple stents are set up between the first base and the second base, and the multiple stent is to correspondingly solid
The fixed first base and second base；
One phonation unit is set to surface of the first base towards second base, to being fixed on treating for the trepanning
Detection cone sends out one first signal；
One fixed cell, for cone to be detected to be fixed in the phonation unit；
One microphone is set to the second base back on the direction of first base, for receiving one second signal, described the
Two signals are across the first signal after cone to be detected；
One processing unit is electrically connected to the microphone, for the first signal described in comparative analysis and the second signal.
2. cone detection device according to claim 1, which is characterized in that it is single that the second base includes at least one clamping
Member, the clamping unit are set to surface of the second base far from the first base.
3. cone detection device according to claim 1, which is characterized in that the processing unit calculates first signal
With the difference of the second signal, and judge whether the difference that is calculated has more than a standard value.
4. cone detection device according to claim 1, which is characterized in that the fixed cell include a first assembly and
One second component, the first assembly are set to the surface that the phonation unit faces the second base, second component
Between cone to be detected is located in the first assembly, second component is fixedly connected with first assembly.
5. cone detection device according to claim 4, which is characterized in that the first assembly is respectively with the second component
Screw and nut.
6. cone detection device according to claim 1, which is characterized in that the fixed cell be a screw, the hair
Sound unit includes a screw hole, and the screw passes through cone to be detected and is locked in the screw hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721775733.8U CN207518856U (en) | 2017-12-19 | 2017-12-19 | A kind of cone detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721775733.8U CN207518856U (en) | 2017-12-19 | 2017-12-19 | A kind of cone detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207518856U true CN207518856U (en) | 2018-06-19 |
Family
ID=62544485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721775733.8U Expired - Fee Related CN207518856U (en) | 2017-12-19 | 2017-12-19 | A kind of cone detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207518856U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263286A (en) * | 2020-01-19 | 2020-06-09 | 广州市建桥音响配件有限公司 | Full-automatic pipelined cone detecting system |
-
2017
- 2017-12-19 CN CN201721775733.8U patent/CN207518856U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111263286A (en) * | 2020-01-19 | 2020-06-09 | 广州市建桥音响配件有限公司 | Full-automatic pipelined cone detecting system |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180619 Termination date: 20211219 |
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| CF01 | Termination of patent right due to non-payment of annual fee |