CN104581608B - Sound detection circuit system - Google Patents
Sound detection circuit system Download PDFInfo
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- CN104581608B CN104581608B CN201510033119.3A CN201510033119A CN104581608B CN 104581608 B CN104581608 B CN 104581608B CN 201510033119 A CN201510033119 A CN 201510033119A CN 104581608 B CN104581608 B CN 104581608B
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- circuit
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- relay
- audio interface
- sound out
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Abstract
The present invention discloses a kind of sound detection circuit system, including：Memory cell；The audio interface circuit being connected with the input of trial product to be measured；The sound out-put circuit being connected with the output end of trial product to be measured；Audio interface circuit, sound out-put circuit are connected for controlling and toward the relay drive circuit that load is cut in sound out-put circuit；Resistance box, it is electrically connected with respectively with relay drive circuit, sound out-put circuit；Central control unit, central control unit includes microprocessor and digital input and output channel circuit, microprocessor is connected with digital input and output channel circuit, memory cell and audio interface circuit respectively, and digital input and output channel circuit is connected with relay drive circuit；For providing the power circuit of electric energy.The present invention can control different product to export voice signal, and control access load in parallel, sound performance change of the detection product after different loads are accessed, be easy to subsequently improve product sounding performance.
Description
Technical field
The present invention relates to a kind of detection circuitry, more particularly to a kind of sound detection circuit system.
Background technology
Electro-acoustic plays product such as vehicle audio playing device usually to be needed to carry out sounding performance to it before dispatching from the factory
Test, to ensure that its sounding is normal, in general sound detection device can only detect product whether can sounding, it is outer not possess connection
Section load adjusts the function of product sounding size and sounding performance, and this detection mode has certain limitation.
However, existing electro-acoustic plays product requires more and more higher to sound performance, it is merely capable of having detected sounding
The market demand can not be met, therefore, it is necessary to provide a kind of new sound detection circuit system to solve the above problems.
The content of the invention
It is an object of the invention to provide a kind of sound that can be detected product sounding performance, be incorporated to load regulation sounding size
Tone detection circuit system.
To achieve these goals, the technical solution adopted in the present invention is as follows：
A kind of sound detection circuit system, including：Memory cell for data storage；For transmitting the sound of voice signal
Frequency interface circuit, the input of the audio interface circuit and trial product to be measured are electrically connected with；For exporting the sound of voice signal
Sound output circuit, the sound out-put circuit and the output end of trial product to be measured are electrically connected with；The audio is connected for controlling
Interface circuit, the sound out-put circuit and toward the relay drive circuit that load is cut in the sound out-put circuit；For
The resistance box of some loads is provided, the resistance box is electrical with the relay drive circuit, the sound out-put circuit respectively
Connection；For controlling the central control unit of whole circuit operation, the central control unit includes microprocessor and for defeated
Enter the digital input and output channel circuit with output digit signals, the microprocessor respectively with the digital quantity input and output
Channel circuit, the memory cell and the audio interface circuit are electrically connected with, and the digital input and output channel circuit enters
One step is electrically connected with the relay drive circuit；For providing the power circuit of electric energy, the power supply electricity to whole circuit
Road is electrical with the memory cell, the relay drive circuit, the central control unit and the trial product to be measured respectively
Connection.
Preferably, the digital input and output channel circuit is NI6514 modules.
Preferably, the relay drive circuit includes load control relay, passage control relay and communication switching
Relay.
Preferably, the load control relay includes some groups of first coils and first switch, and each described first
The first end of coil is connected with a terminals of the NI6514 modules respectively, the second end and the electricity of the first coil
Source circuit connects, and all first switches with the sound out-put circuit with being connected in parallel again after the connected in series with the load.
Preferably, the passage control relay includes some groups of the second coils and second switch, and each described second
The first end of coil is connected with a terminals of the NI6514 modules respectively, the second end and the electricity of second coil
Source circuit is connected, and the second switch is connected in series in the sound out-put circuit.
Preferably, the communication switching relay includes tertiary coil and the 3rd switch, the first end of the tertiary coil
It is connected with a terminals of the NI6514 modules, the second end of the tertiary coil is connected with the power circuit, described
3rd switch is connected in series in the audio interface circuit.
Compared with prior art, the beneficial effect of sound detection circuit system of the present invention is：The relay driving electricity
Road can control the sound out-put circuit of different product to connect output voice signal, and control in parallel access in the resistance box
The load resistance of different size and quantity, sound performance change of the detection product after different loads are accessed, is easy to subsequently improve
Product sounding performance.
Brief description of the drawings
Fig. 1 is the circuit structure block diagram of sound detection circuit system of the present invention；
Fig. 2 is the circuit diagram of the preferred embodiment of sound detection circuit system one of the present invention；
Fig. 3 is the circuit diagram of power circuit of the present invention；
Fig. 4 is the circuit diagram of audio interface circuit of the present invention and the relay drive circuit；
Fig. 5 is the circuit diagram of sound out-put circuit of the present invention and the relay drive circuit.
Embodiment
The present invention is further described below with reference to specific embodiment.
Refer to shown in Fig. 1 to Fig. 5, sound detection circuit system of the present invention includes：
Memory cell for data storage；
For transmitting the audio interface circuit of voice signal, the input electricity of the audio interface circuit and trial product to be measured
Property connection；
For exporting the sound out-put circuit of voice signal, the sound out-put circuit and the output end electricity of trial product to be measured
Property connection；
The audio interface circuit, the sound out-put circuit are connected for controlling and toward cutting in the sound out-put circuit
Enter the relay drive circuit of load；
For providing the resistance box of some loads, the resistance box respectively with the relay drive circuit, the sound
Output circuit is electrically connected with；
For controlling the central control unit of whole circuit operation, the central control unit includes microprocessor and is used for
Input and the digital input and output channel circuit of output digit signals, the microprocessor input defeated with the digital quantity respectively
Go out channel circuit, the memory cell and the audio interface circuit to be electrically connected with, the digital input and output channel circuit
Further it is electrically connected with the relay drive circuit, in the present embodiment, the central control unit is industrial computer, described
Digital input and output channel circuit is NI6514 modules；
For providing the power circuit of electric energy to whole circuit, the power circuit respectively with the memory cell, described
Relay drive circuit, the central control unit, the resistance box and the trial product to be measured are electrically connected with.
In the present embodiment, the power circuit by civil power by decompression, a series of processing such as rectification, formed positive and negative 24V,
Positive and negative 12V and positive and negative 5V power supplys（As shown in Figure 3）, different size of power supply is provided according to the demand of different circuits, wherein positive and negative
24V power supplys are mainly powered to the relay drive circuit；.
Relay drive circuit of the present invention include load control relay, passage control relay and communication switching after
Electrical equipment.Wherein, the load control relay includes some groups of first coils and first switch, each first coil
First end is connected with a terminals of the NI6514 modules respectively, the second end and the power circuit of the first coil
Connection, all first switches with the sound out-put circuit with being connected in parallel again after the connected in series with the load.It is described logical
Road control relay includes some groups of the second coils and second switch, the first end of each second coil respectively with it is described
The terminals connection of NI6514 modules, the second end of second coil are connected with the power circuit, and described second opens
Pass is connected in series in the sound out-put circuit.The communication switching relay includes tertiary coil and the 3rd switch, described
The first end of tertiary coil is connected with a terminals of the NI6514 modules, the second end and the electricity of the tertiary coil
Source circuit is connected, and the 3rd switch is connected in series in the audio interface circuit.
The present invention operation principle be：Each described trial product to be measured is separately mounted on corresponding communication board, described
Industrial computer sends control signal respectively by the NI6514 modules to the relay drive circuit, controls the first to the 3rd line
Circle is powered.The communication switching relay connects the COBBAIF and industrial computer COBBAIF of one of communication board, the work
Control machine transmits the voice signal in memory cell to the communication board by industrial computer COBBAIF, communication board COBBAIF,
The communication switching relay connects the communication board and product to be detected again, and voice signal passes after communication board processing
Product to be detected is transported to, product to be detected exports to sound out-put circuit again after being handled voice signal.Sound exports
The second switch of passage control relay is in series with circuit, passage control relay controls different sound out-put circuits to connect
It is logical.The first switch of load and load control relay in resistance box is connected in sound out-put circuit in parallel again after being connected in series
On, the load access sound out-put circuit of the load control relay control varying number and size, detection product is accessing
Sound performance change after different loads, is easy to subsequently improve product sounding performance.
Schematically the present invention and embodiments thereof are described above, this describes no restricted, institute in accompanying drawing
What is shown is also one of embodiments of the present invention, and actual structure is not limited thereto.So if common skill of this area
Art personnel are enlightened by it, without departing from the spirit of the invention, without designing and the technical scheme for creativeness
Similar frame mode and embodiment, protection scope of the present invention all should be belonged to.
Claims (1)
1. a kind of sound detection circuit system, including：
Memory cell for data storage；
For transmitting the audio interface circuit of voice signal, the input of the audio interface circuit and trial product to be measured electrically connects
Connect；
For exporting the sound out-put circuit of voice signal, the sound out-put circuit and the output end of trial product to be measured electrically connect
Connect；
For controlling the connection audio interface circuit, the sound out-put circuit and being born toward incision in the sound out-put circuit
The relay drive circuit of load；
For providing the resistance box of some loads, the resistance box exports with the relay drive circuit, the sound respectively
Circuit is electrically connected with；
For controlling the central control unit of whole circuit operation, the central control unit includes microprocessor and for inputting
With the digital input and output channel circuit of output digit signals, the microprocessor leads to the digital quantity input and output respectively
Road circuit, the memory cell and the audio interface circuit are electrically connected with, and the digital input and output channel circuit enters one
Step is electrically connected with the relay drive circuit；
For to whole circuit provide electric energy power circuit, the power circuit respectively with the relay drive circuit, institute
State central control unit electric connection；
Characterized in that, the digital input and output channel circuit is the modules of N I 6514；
The relay drive circuit includes load control relay, passage control relay and communication switching relay；It is described
Passage control relay includes some groups of the second coils and second switch, the first end of each second coil respectively with institute
The terminals connection of the modules of N I 6514 is stated, the second end of second coil is connected with the power circuit, and described the
Two switches are connected in series in the sound out-put circuit；
The load control relay includes some groups of first coils and first switch, the first end of each first coil
A terminals with the modules of N I 6514 are connected respectively, and the second end and the power circuit of the first coil connect
Connect, all first switches with the sound out-put circuit with being connected in parallel again after the connected in series with the load；
The communication switching relay includes tertiary coil and the 3rd switch, the first end of the tertiary coil and the N I
The terminals connection of 6514 modules, the second end of the tertiary coil are connected with the power circuit, the 3rd switch
It is connected in series in the audio interface circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033119.3A CN104581608B (en) | 2015-01-23 | 2015-01-23 | Sound detection circuit system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510033119.3A CN104581608B (en) | 2015-01-23 | 2015-01-23 | Sound detection circuit system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104581608A CN104581608A (en) | 2015-04-29 |
| CN104581608B true CN104581608B (en) | 2018-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510033119.3A Active CN104581608B (en) | 2015-01-23 | 2015-01-23 | Sound detection circuit system |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105448306B (en) * | 2015-11-05 | 2019-02-19 | 湖南工业大学 | Voice loop detecting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485911Y (en) * | 2001-06-12 | 2002-04-10 | 中华人民共和国厦门出入境检验检疫局 | Electric sound signal tester for computer acoustic card |
| CN101789985A (en) * | 2009-01-22 | 2010-07-28 | 上海贝尔股份有限公司 | Audio performance testing method and device |
| US8150074B1 (en) * | 2008-08-08 | 2012-04-03 | Crestron Electronics Inc. | Impedance matching speaker wire system |
| CN104185125A (en) * | 2014-08-14 | 2014-12-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker system and driving method thereof |
| CN204392571U (en) * | 2015-01-23 | 2015-06-10 | 苏州工业园区博亨电子有限公司 | Sound detection circuit system |
-
2015
- 2015-01-23 CN CN201510033119.3A patent/CN104581608B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2485911Y (en) * | 2001-06-12 | 2002-04-10 | 中华人民共和国厦门出入境检验检疫局 | Electric sound signal tester for computer acoustic card |
| US8150074B1 (en) * | 2008-08-08 | 2012-04-03 | Crestron Electronics Inc. | Impedance matching speaker wire system |
| CN101789985A (en) * | 2009-01-22 | 2010-07-28 | 上海贝尔股份有限公司 | Audio performance testing method and device |
| CN104185125A (en) * | 2014-08-14 | 2014-12-03 | 瑞声声学科技(深圳)有限公司 | Loudspeaker system and driving method thereof |
| CN204392571U (en) * | 2015-01-23 | 2015-06-10 | 苏州工业园区博亨电子有限公司 | Sound detection circuit system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104581608A (en) | 2015-04-29 |
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Effective date of registration: 20190307 Address after: 215300 Room No. 111, Mojia Road, Yushan Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Jiangsu special technology Co., Ltd. Address before: 215021 No. 229 Jinling East Road, Weiting, Suzhou, Jiangsu Province Patentee before: SUZHOU INDUSTRIAL PARK BOHENG ELECTRONIC CO., LTD. |
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