CN208158885U - A kind of loudspeaker box testing device - Google Patents
A kind of loudspeaker box testing device Download PDFInfo
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- CN208158885U CN208158885U CN201820774452.9U CN201820774452U CN208158885U CN 208158885 U CN208158885 U CN 208158885U CN 201820774452 U CN201820774452 U CN 201820774452U CN 208158885 U CN208158885 U CN 208158885U
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Abstract
The utility model discloses a kind of loudspeaker box testing device, it is connected with host computer, device include cabinet and be set to the intracorporal sound acquisition module of case, speaker fixture and data conversion module, a sound insulation chamber is formed in cabinet, it is intracavitary that sound acquisition module and speaker fixture are located at sound insulation, and sound acquisition module is communicated with data conversion module and is connect, data conversion module is communicated with host computer and is connect；Speaker fixture is equipped with signal converting module, and speaker fixture is communicated with host computer by signal converting module and connect, which has the advantages that soundproof effect is good, test accuracy is high.
Description
Technical field
The utility model relates to a kind of speaker the field of test technology, can carry out audio survey to speaker more particularly, to one kind
The loudspeaker box testing device of examination.
Background technique
With the development of science and technology and improvement of living standard, speaker have become the essential consumer goods.Speaker is one
Audio signal can be transformed into a kind of equipment of sound by kind.Speaker will carry out a variety of harsh tests before factory to it, such as
Whether whether the sound for testing its sending is steady, be distorted etc..
In traditional speaker test, test equipment is bulky, test room, poor mobility, and wall between generalling use one
Body soundproof effect is poor, influences the accuracy of test；Meanwhile it being directly transferred to after traditional test equipment collected sound signal upper
In machine, analyzed using the processing that software carries out data, however software has unstability, software carries out being easy to stop when data processing
It only works, causes testing efficiency low, the consequences such as test inaccuracy.
Utility model content
The purpose of the utility model is to overcome the defect of the prior art, provide that a kind of soundproof effect is good, test accuracy
High loudspeaker box testing device.
To achieve the above object, the utility model proposes following technical solutions：A kind of loudspeaker box testing device, the speaker are surveyed
Trial assembly is set to be connected with host computer comprising cabinet and be set to the intracorporal sound acquisition module of case, speaker fixture, data conversion mould
Block, forms a sound insulation chamber in the cabinet, and it is intracavitary that the sound acquisition module and speaker fixture are located at the sound insulation, and the sound
Sound acquisition module is communicated with data conversion module to be connect, and the data conversion module is communicated with host computer to be connect；
The speaker fixture be equipped with signal converting module, speaker fixture by the signal converting module with it is described upper
Machine communicates connection.
Preferably, mainboard module is additionally provided in the cabinet, the sound acquisition module passes through the mainboard module and number
Connection is communicated according to conversion module, the signal converting module, which is communicated by the mainboard module with host computer, to be connect.
Preferably, the cabinet includes box-like body and case lid, and the case lid is articulated with box-like body, and case lid is opposite
Box-like body rotation is folded or is opened, when the case lid opposite case ontology rotation folds, between the case lid and box-like body
Form the sound insulation chamber.
Preferably, the speaker fixture includes bearing base and is articulated with the bearing base and the relatively described carrying base
Seat pivots the cover board for folding or opening, and the signal converting module is set on the bearing base.
Preferably, the cabinet is equipped with the first communication interface and the second communication interface, first communication interface and master
Plate module communicates connection, and second communication interface is communicated with data conversion module to be connect.
Preferably, audio input interface is additionally provided on the cabinet, the audio input interface passes through mainboard module and letter
Number interconnecting module communicates connection.
Preferably, voltage regulator module is equipped in the cabinet, the voltage regulator module passes through mainboard module and data
Conversion module electrical connection, the voltage regulator module also pass through mainboard module and are electrically connected with signal converting module.
Preferably, the cabinet is equipped with the first power input interface being electrically connected with voltage regulator module and the second electricity
Source input interface.
The utility model has the beneficial effects that：
Loudspeaker box testing device described in the utility model is effectively isolated external sound on the one hand by setting sound insulation chamber
Interference, improves the accuracy of test；On the other hand by setting data conversion module, voice data is just completed in a device
Preliminary treatment, improve testing efficiency, further improve the accuracy of test；
The advantage that loudspeaker box testing device described in the utility model also has structure simple, small in size, easily operated.
Detailed description of the invention
Fig. 1 is the stereoscopic schematic diagram of the utility model；
Fig. 2 is the schematic rear view of the utility model；
Fig. 3 is along A-A in Fig. 2 to schematic cross-sectional view.
Appended drawing reference：1, cabinet, 11, box-like body, 12, case lid, the 13, first communication interface, the 14, second communication interface,
15, audio input interface, the 16, first power input interface, 17, second source input interface, 2, sound acquisition module, 3, speaker
Fixture, 31, signal converting module, 32, bearing base, 33, cover board, 4, data conversion module, 5, sound insulation chamber, 6, mainboard module,
7, voltage regulator module.
Specific embodiment
Below in conjunction with the attached drawing of the utility model, the technical solution of the utility model embodiment is carried out clear, complete
Description.
A kind of revealed loudspeaker box testing device of the utility model, communicates with host computer and connect, and realizes to speaker
Detection, whether the sound of the operating frequency range and speaker output that such as detect speaker is steady, be distorted etc..
In conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, a kind of loudspeaker box testing device, including cabinet 1, sound acquisition module 2, speaker folder
Tool 3 and data conversion module 4.Wherein, sound acquisition module 2, speaker fixture 3 and data conversion module 4 are arranged at cabinet
In 1.In order to improve the accuracy of speaker test, the sound insulation chamber 5 of a sealing, and sound acquisition module 2 and speaker are formed in cabinet 1
Fixture 3 is arranged in sound insulation chamber 5, and sound insulation chamber 5 can prevent extraneous sound from testing speaker and generate interference, improves the standard of test
True property.
Specifically, sound acquisition module 2 is used to acquire the voice signal of speaker sending, communicates with data conversion module 4
Letter connection；Data conversion module 4 is used to for the voice signal of digital form being converted into the voice signal of analog form, and data
Conversion module 4 is communicated with host computer to be connect.When it is implemented, sound acquisition module 2 acquires the voice signal of speaker sending simultaneously
Be transmitted in data conversion module 4, data conversion module 4 by the transmission of sound signals after conversion into host computer, host computer pair
The voice signal received is analyzed and judges whether the sound of speaker output is steady, whether is true etc..
In the present embodiment, sound acquisition module 2 preferably uses microphone (Microphone), and data conversion module 4 is preferred
It, can be by the sound signal storage after conversion, when needing to sound using the PQC data conversion module with data storage function
When sound signal is analyzed again, the voice signal that can directly read the storage of PQC data conversion module is analyzed.
Further, as shown in figure 3, speaker fixture 3 is for fixing speaker, and communicate speaker with host computer.Speaker
Fixture 3 is equipped with a signal converting module 31, and after speaker is fixed on speaker fixture 3, speaker passes through the signal converting mould
Block 31 is communicated with host computer to be connect, and host computer can control speaker sounding by signal converting module 31 and input into speaker
Audio-frequency test signal.Wherein, speaker fixture 3 includes bearing base 32 and cover board 33, and cover board 33 is articulated with bearing base 32, and
And cover board 33 can pivot with respect to bearing base 32 and fold or open, signal converting module 31 is set on bearing base 32.It is specific real
Speaker is placed on bearing base 32 by Shi Shi, and is electrically connected speaker and signal converting module 31, rotates the cover 33 at this time
Fold it with respect to the pivot of bearing base 32, so that speaker is fixed between bearing base 32 and cover board 33.
As shown in figure 3, being additionally provided with a mainboard module 6 in cabinet 1, sound acquisition module 2 is turned by mainboard module 6 and data
Mold changing block 4 communicates connection, and signal converting module 31 is communicated with host computer by mainboard module 6 and connect.
Further, cabinet 1 includes box-like body 11 and case lid 12, and case lid 12 is hinged with box-like body 11, and case
Lid 12 can opposite case ontology 11 rotation fold or open.When the rotation of 12 opposite case ontology 11 of case lid folds, case lid 12
The sound insulation chamber 5 is formed between box-like body 11.
As shown in Fig. 2, cabinet 1 is equipped with the first communication interface 13, the second communication interface 14 and audio input interface
15.Wherein, the first communication interface 13 is communicated with mainboard module 6 connect, and host computer passes through the transmission control of the first communication interface 13
On instruction to mainboard module 6, mainboard module 6 passes through the control speaker sending sound of signal converting module 31 after receiving control instruction
Sound；Second communication interface 14 is communicated with data conversion module 4 to be connect, and data conversion module 4 will by the second communication interface 14
Transmission of sound signals after conversion is into host computer；Audio input interface 15 passes through 31 electricity of mainboard module 6 and signal converting module
Audio-frequency test signal is input in speaker by connection, host computer by audio input interface 15.
When it is implemented, whether the sound as detection speaker issues is steady, host computer is inputted by audio input interface 15
Audio-frequency test signal is into speaker, while host computer is instructed by 13 input control of the first communication interface to mainboard module 6, main
Plate module 6 controls speaker and makes a sound；Sound acquisition module 2 acquires the sound that speaker issues and is transmitted to data conversion module 4,
Data conversion module 4 is transmitted in host computer after converting to voice signal by the second communication interface 14, and host computer is into one
Whether the sound that step analysis speaker issues is steady；The operating frequency range of speaker is for another example detected, host computer is connect by audio input
Mouthfuls 15 sequentially input audio-frequency test signal that frequency is 1KHz~20Khz (being not limited to the 1KHz~20KHz) into speaker,
Host computer is instructed by 13 input control of the first communication interface to mainboard module 6 simultaneously, and mainboard module 6 controls speaker sounding；
Sound acquisition module 2 acquires the sound that speaker issues and is transmitted to data conversion module 4, and data conversion module 4 is to voice signal
It is transmitted in host computer after being converted by the second communication interface 14, host computer further analyzes the working frequency of speaker sending
Range.
When it is implemented, the first communication interface 13 and the second communication interface 14 preferably use USB (Universal Serial
Bus, universal serial bus) interface.
As shown in figure 3, being equipped with voltage regulator module 7 in cabinet 1, the voltage regulator module 7 is electrically connected with mainboard module 6
It connects, operating voltage needed for the external power supply of the device being adjusted to mainboard module 6；Meanwhile voltage regulator module 7 also passes through
Mainboard module 6 is electrically connected with data conversion module 4, and the external power supply of the device can be adjusted to needed for data conversion module 4
Operating voltage；Voltage regulator module 7 is also electrically connected by mainboard module 6 with signal converting module 31, can be external by the device
Operating voltage needed for power supply is adjusted to speaker.
As shown in Fig. 2, setting on cabinet 1, there are two power input interfaces, respectively the first power input interface 16 and second
Power input interface 17 is both electrically connected with voltage regulator module 7, wherein the first power input interface 16, which accesses, to be
The device provides the power supply of operating voltage, and the access of second source input interface 17 can provide the power supply of operating voltage for speaker.
The utility model carries out preliminary treatment to voice signal by setting data conversion module 4, needed for converting thereof into
Analog form voice signal, with software carry out data processing compared with, on the one hand improve testing efficiency, on the other hand can be improved
The accuracy of test；Meanwhile by the way that sound insulation chamber is arranged, the interference of external sound is prevented, the accuracy of test is further improved.
The technology contents and technical characteristic of the utility model have revealed that as above, however those skilled in the art still may be used
Can teaching based on the utility model and announcement and make various replacements and modification without departing substantially from the spirit of the present invention, therefore, this
Utility model protection range should be not limited to the revealed content of embodiment, and should include the various replacements without departing substantially from the utility model
And modification, and covered by present patent application claim.
Claims (8)
1. a kind of loudspeaker box testing device, which is characterized in that the loudspeaker box testing device is connected with host computer comprising cabinet and set
In one sound insulation chamber of formation, the sound in the intracorporal sound acquisition module of case, speaker fixture and data conversion module, the cabinet
It is intracavitary that sound acquisition module and speaker fixture are located at the sound insulation, and the sound acquisition module and data conversion module communicate company
It connects, the data conversion module is communicated with host computer to be connect；The speaker fixture is equipped with signal converting module, speaker fixture
It is communicated and is connect with the host computer by the signal converting module.
2. the apparatus according to claim 1, which is characterized in that be additionally provided with mainboard module in the cabinet, the sound is adopted
Collection module, which is communicated by the mainboard module with data conversion module, to be connect, and the signal converting module passes through the mainboard mould
Block is communicated with host computer and is connect.
3. the apparatus according to claim 1, which is characterized in that the cabinet includes box-like body and case lid, the case lid
It is articulated with box-like body, and the rotation of case lid opposite case ontology is folded or opened, the case lid opposite case ontology rotation is received
When conjunction, the sound insulation chamber is formed between the case lid and box-like body.
4. the apparatus according to claim 1, which is characterized in that the speaker fixture include bearing base and with the carrying
Pedestal is articulated and the relatively described bearing base pivots the cover board for folding or opening, and the signal converting module is set to the carrying
On pedestal.
5. the apparatus of claim 2, which is characterized in that the cabinet is equipped with the first communication interface and the second communication
Interface, first communication interface is communicated with mainboard module to be connect, and second communication interface is communicated with data conversion module
Letter connection.
6. the apparatus of claim 2, which is characterized in that be additionally provided with audio input interface, the sound on the cabinet
Frequency input interface is communicated with signal converting module by mainboard module and is connect.
7. the apparatus of claim 2, which is characterized in that be equipped with voltage regulator module, the voltage in the cabinet
Adjustment module is electrically connected by mainboard module with data conversion module, and the voltage regulator module also passes through mainboard module and signal
Interconnecting module electrical connection.
8. device according to claim 7, which is characterized in that the cabinet is equipped with and is electrically connected with voltage regulator module
The first power input interface and second source input interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774452.9U CN208158885U (en) | 2018-05-23 | 2018-05-23 | A kind of loudspeaker box testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820774452.9U CN208158885U (en) | 2018-05-23 | 2018-05-23 | A kind of loudspeaker box testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208158885U true CN208158885U (en) | 2018-11-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820774452.9U Active CN208158885U (en) | 2018-05-23 | 2018-05-23 | A kind of loudspeaker box testing device |
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| CN (1) | CN208158885U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109788422A (en) * | 2019-01-18 | 2019-05-21 | 博罗县全成电子有限公司 | A kind of test program and system of hi-fidelity audio equipment |
-
2018
- 2018-05-23 CN CN201820774452.9U patent/CN208158885U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109788422A (en) * | 2019-01-18 | 2019-05-21 | 博罗县全成电子有限公司 | A kind of test program and system of hi-fidelity audio equipment |
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