CN208799230U - Tinnitus detector - Google Patents
Tinnitus detector Download PDFInfo
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- CN208799230U CN208799230U CN201820103513.9U CN201820103513U CN208799230U CN 208799230 U CN208799230 U CN 208799230U CN 201820103513 U CN201820103513 U CN 201820103513U CN 208799230 U CN208799230 U CN 208799230U
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Abstract
The utility model relates to the field of medical instrument technology, specifically it is a kind of it is structurally reasonable, easy to operate, detection time is short, detect accurate tinnitus detector, equipped with shell, it is characterized in that being equipped with tinnitus sound generation mechanism in shell, the sound of tinnitus sound generation mechanism output is exported through the earphone of hull outside；The tinnitus sound generation mechanism is equipped with microprocessor, memory, audio collection circuit, power amplifier, balanced device, time-modulation circuit, wherein microprocessor is connected with memory, audio collection circuit, balanced device, power amplifier, time-modulation circuit respectively, the outer audio signal of deposit in memory, audio collection circuit is connected with memory, the utility model using passive audition method, compared with prior art, have the advantages that structurally reasonable, easy to operate etc. significant.
Description
Technical field:
The utility model relates to the field of medical instrument technology, specifically a kind of structurally reasonable, easy to operate, detection when
Between it is short, detect accurate tinnitus detector.
Background technique:
Tinnitus is supervisor Auditory Perception of the human ear in the external voice stimulation not responded to, and is the most common dysacousis
One of.Common tinnitus sound has squeak, chirp and the tinkle of bells etc., and tinnitus sound is sustainable or intermittent presence.Perhaps
More patients may hear more than one sound.Tinnitus can occur suddenly or slowly occur, and show apparent heterogeneity, and 1000
1000 kinds of different sound may be depicted in a tinnitus patient, and tone and intensity of sound may be also different.The disease incidence of tinnitus
High, about 10%~15% adult is tired out by it.Also, tinnitus also brings along many hazards, such as insomnia, anxiety, suppression
The negative emotions such as strongly fragrant and attention disorders become major concern, or even will affect the Fang Fang such as patient work, family and social activities
Face face.The core of tinnitus diagnosis is that tinnitus is detected, i.e., makes each tinnitus patient " characteristic " using the acoustic characteristic of tinnitus
Diagnosis, this is also the premise of tinnitus treatment.Tinnitus detection mainly includes four psychoacoustic characteristics of tinnitus: tone (i.e. frequency
Rate), loudness, inhibit after minimum masking level and remnants.Tinnitus detection key be it is quick, efficiently and accurately carry out tinnitus
Match.
Currently, traditional tinnitus detection method is detected to the pure tone audiometry of ears, according to pure tone audiometry detection knot
Fruit, selection test ear, is matched using the tinnitus frequency that 3 forced choice methods carry out tinnitus ear, obtains tinnitus frequency；And with tinnitus frequency
On the basis of rate, the Tinnitus volume matching of tinnitus ear is carried out, tinnitus sensitivity threshold is obtained.This method is comparatively laborious and detection time
It is long.
Summary of the invention:
The utility model is directed to shortcoming and defect existing in the prior art, propose it is a kind of it is structurally reasonable, easy to operate,
Detection time is short, detects accurate tinnitus detector.
The utility model can be achieved by the following measures:
A kind of tinnitus detector is equipped with shell, it is characterised in that tinnitus sound generation mechanism is equipped in shell, tinnitus sound generates
The sound of mechanism output is exported through the earphone of hull outside；The tinnitus sound generation mechanism is equipped with microprocessor, memory, audio
Acquisition Circuit, power amplifier, balanced device, time-modulation circuit, wherein microprocessor is electric with memory, audio collection respectively
Road, time-modulation circuit are connected, and the outer audio signal of deposit, audio collection circuit are connected with memory in memory, audio
The output end of Acquisition Circuit is connected with the input terminal of balanced device, and the output end of balanced device is connected with the input terminal of power amplifier
It connects, the output end of power amplifier is connected with the input terminal of earphone, control terminal and the microprocessor phase of time-modulation circuit
Connection, the output end of time-modulation circuit are connected with the input terminal of power amplifier, and it is defeated that the balanced device is equipped with audio signal
Enter terminal IN, audio signal is sent to respectively in three bandpass filters in parallel after capacitor C1, three bandpass filters
50 hertz, 1K hertz, 10K hertz of frequency range are respectively corresponded, each bandpass filter is by resistance R1, resistance R2, resistance R3, electricity
R4 and capacitor C2 composition is hindered, wherein resistance R2 is swept resistance, and adjusting knob is connected with swept resistance R2.
Two groups of tinnitus sound generation mechanisms, the voice signal point of two groups of tinnitus sound generation mechanisms output are equipped in the utility model
It does not send to the left ear input terminal and auris dextra input terminal of earphone.
The utility model shell is equipped with liquid crystal display, is correspondingly provided with the display circuit being connected with the microprocessor in shell,
Adjusting knob in balanced device is arranged outside shell, by operating adjusting knob, changes the resistance of swept resistance in bandpass filter
Value, can change the amplitude of bandpass filter output audio signal, the amplitude of audio signal can be made to have mentioning within 10 decibels
It rises or decays.
The utility model be additionally provided with white noise generation circuit, frequency adjustment circuit, amplitude regulating circuit, narrow band filter,
Power amplifier, attenuator；Wherein the output end of white noise generation circuit is connected with narrow band filter, narrow band filter it is defeated
Outlet is connected with power amplifier, and the output end of power amplifier is connected with attenuator, frequency adjustment circuit and amplitude tune
Economize on electricity road be connected respectively with white noise generation circuit, microprocessor respectively with white noise generation circuit, frequency adjustment circuit, width
Degree adjusts circuit and is connected, and the output end of attenuator is connected with earphone, in frequency adjustment circuit and amplitude regulating circuit respectively
Equipped with frequency adjusting knob and amplitude adjusted knob, frequency adjusting knob and amplitude adjusted knob are arranged at the outside of shell.
When the utility model is used, by the external audio data being stored in advance in audio collection circuit extraction memory,
For simulating tinnitus sound signal, audio signal is after audio collection circuit is sent into power amplifier, under the adjustment of balanced device,
The change of volume and tone occurs, chooses so that patient be made to adjust with itself the immediate sound of tinnitus sound, according to subsequent to this
Patient tinnitus's detection is completed in the processing of voice signal.
The utility model has structurally reasonable, easy to operate compared with prior art using the method for passive audition
Etc. significant advantage.
Detailed description of the invention:
Attached drawing 1 is the structural schematic diagram of the utility model.
Attached drawing 2 is the schematic block circuit diagram of the utility model.
Attached drawing 3 is the circuit diagram of balanced device in the utility model.
Appended drawing reference: shell 1, tinnitus sound generation mechanism 2, earphone 3, microprocessor 4, memory 5, audio collection circuit 6,
Power amplifier 7, balanced device 8, time-modulation circuit 9, liquid crystal display 10, adjusting knob 11, white noise generation circuit 12, frequency tune
Economize on electricity road 13, amplitude regulating circuit 14, narrow band filter 15, power amplifier 16, attenuator 17.
Specific embodiment:
The utility model will be further described below with reference to the accompanying drawings.
As shown in the picture, the utility model proposes a kind of tinnitus detectors, are equipped with shell 1, it is characterised in that in shell 1
Equipped with tinnitus sound generation mechanism 2, the sound that tinnitus sound generation mechanism 2 exports is exported through the earphone 3 of hull outside；The tinnitus sound
2 structure of generation machine is equipped with microprocessor 4, memory 5, audio collection circuit 6, power amplifier 7, balanced device 8, time-modulation circuit
9, wherein microprocessor 4 is connected with memory 5, audio collection circuit 6, time-modulation circuit 9 respectively, deposit in memory 5
Outer audio signal, audio collection circuit 6 are connected with memory 5, the input of the output end and balanced device 8 of audio collection circuit 6
End is connected, and the output end of balanced device 8 is connected with the input terminal of power amplifier 7, the output end and earphone of power amplifier 7
3 input terminal is connected, and the control terminal of time-modulation circuit 9 is connected with microprocessor 4, the output of time-modulation circuit 9
End is connected with the input terminal of power amplifier 7, and the balanced device 8 is equipped with audio signal input terminal IN, and audio signal is passed through
Be sent to respectively after capacitor C1 in three bandpass filters in parallel, three bandpass filters respectively correspond 50 hertz, 1K hertz,
10K hertz of frequency range, each bandpass filter are made of resistance R1, resistance R2, resistance R3, resistance R4 and capacitor C2, wherein
Resistance R2 is swept resistance, and adjusting knob is connected with swept resistance R2.
Two groups of tinnitus sound generation mechanisms 2, the voice signal of two groups of tinnitus sound generation mechanisms 2 output are equipped in the utility model
It is sent respectively to the left ear input terminal and auris dextra input terminal of earphone 3.
The utility model shell 1 is equipped with liquid crystal display 10, is correspondingly provided with the display being connected with microprocessor 4 in shell 1
Circuit, the adjusting knob 11 in balanced device 8 are arranged outside shell 1, by operating adjusting knob, change and slide in bandpass filter
The resistance value of resistance can change the amplitude of bandpass filter output audio signal, and the amplitude of audio signal can be made to have 10 decibels
Within promotion or decaying.
The utility model is additionally provided with white noise generation circuit 12, frequency adjustment circuit 13, amplitude regulating circuit 14, narrowband filter
Wave device 15, power amplifier 16, attenuator 17；Wherein the output end of white noise generation circuit 12 is connected with narrow band filter 15
It connects, the output end of narrow band filter 15 is connected with power amplifier 16, output end and 17 phase of attenuator of power amplifier 16
Connection, frequency adjustment circuit 13 and amplitude regulating circuit 14 be connected with white noise generation circuit respectively, microprocessor 4 respectively with
White noise generation circuit 12, frequency adjustment circuit 13, amplitude regulating circuit 14 are connected, the output end and earphone 2 of attenuator 17
It is connected, frequency adjusting knob and amplitude adjusted knob, frequency tune is respectively equipped in frequency adjustment circuit and amplitude regulating circuit
Section knob and amplitude adjusted knob are arranged at the outside of shell.
When the utility model is used, by the external audio data being stored in advance in audio collection circuit extraction memory,
For simulating tinnitus sound signal, audio signal is after audio collection circuit is sent into power amplifier, under the adjustment of balanced device,
The change of volume and tone occurs, chooses so that patient be made to adjust with itself the immediate sound of tinnitus sound, according to subsequent to this
Patient tinnitus's detection is completed in the processing of voice signal.
The utility model has structurally reasonable, easy to operate compared with prior art using the method for passive audition
Etc. significant advantage.
Claims (4)
1. a kind of tinnitus detector is equipped with shell, it is characterised in that be equipped with tinnitus sound generation mechanism in shell, tinnitus sound generates machine
The sound of structure output is exported through the earphone of hull outside；The tinnitus sound generation mechanism is equipped with microprocessor, memory, audio and adopts
Collector, power amplifier, balanced device, time-modulation circuit, wherein microprocessor respectively with memory, audio collection circuit,
Time-modulation circuit is connected, and the outer audio signal of deposit, audio collection circuit are connected with memory in memory, audio collection
The output end of circuit is connected with the input terminal of balanced device, and the output end of balanced device is connected with the input terminal of power amplifier,
The output end of power amplifier is connected with the input terminal of earphone, and the control terminal of time-modulation circuit is connected with microprocessor
It connects, the output end of time-modulation circuit is connected with the input terminal of power amplifier, and the balanced device is inputted equipped with audio signal
Terminal IN, audio signal are sent to respectively in three bandpass filters in parallel after capacitor C1, three bandpass filters point
Not Dui Ying 50 hertz, 1K hertz, 10K hertz of frequency range, each bandpass filter is by resistance R1, resistance R2, resistance R3, resistance
R4 and capacitor C2 composition, wherein resistance R2 is swept resistance, and adjusting knob is connected with swept resistance R2.
2. a kind of tinnitus detector according to claim 1, it is characterised in that be equipped with two groups of tinnitus sound generation mechanisms, two groups
The voice signal of tinnitus sound generation mechanism output is sent respectively to the left ear input terminal and auris dextra input terminal of earphone.
3. a kind of tinnitus detector according to claim 1, it is characterised in that shell is equipped with liquid crystal display, corresponds in shell
Equipped with the display circuit being connected with the microprocessor, the adjusting knob in balanced device is arranged outside shell, adjusts rotation by operation
Button changes the resistance value of swept resistance in bandpass filter, can change the amplitude of bandpass filter output audio signal, can make
The amplitude of audio signal has promotion or decaying within 10 decibels.
4. a kind of tinnitus detector according to claim 1, it is characterised in that be additionally provided with white noise generation circuit, frequency tune
Economize on electricity road, amplitude regulating circuit, narrow band filter, power amplifier, attenuator；Wherein the output end of white noise generation circuit with
Narrow band filter is connected, and the output end of narrow band filter is connected with power amplifier, the output end of power amplifier with decline
Subtract device to be connected, frequency adjustment circuit and amplitude regulating circuit are connected with white noise generation circuit respectively, microprocessor difference
It is connected with white noise generation circuit, frequency adjustment circuit, amplitude regulating circuit, the output end of attenuator is connected with earphone,
Be respectively equipped with frequency adjusting knob and amplitude adjusted knob in frequency adjustment circuit and amplitude regulating circuit, frequency adjusting knob and
Amplitude adjusted knob is arranged at the outside of shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820103513.9U CN208799230U (en) | 2018-01-22 | 2018-01-22 | Tinnitus detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820103513.9U CN208799230U (en) | 2018-01-22 | 2018-01-22 | Tinnitus detector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208799230U true CN208799230U (en) | 2019-04-30 |
Family
ID=66224932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820103513.9U Active CN208799230U (en) | 2018-01-22 | 2018-01-22 | Tinnitus detector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208799230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114339563A (en) * | 2021-12-17 | 2022-04-12 | 清华大学 | Multi-mode tinnitus treatment sound generation system |
-
2018
- 2018-01-22 CN CN201820103513.9U patent/CN208799230U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114339563A (en) * | 2021-12-17 | 2022-04-12 | 清华大学 | Multi-mode tinnitus treatment sound generation system |
| CN114339563B (en) * | 2021-12-17 | 2023-01-06 | 清华大学 | Multi-mode tinnitus treatment sound generation system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Tinnitus detector Effective date of registration: 20220418 Granted publication date: 20190430 Pledgee: Weihai City Commercial Bank Limited by Share Ltd. high tech branch Pledgor: WEIHAI DONGZHOU MEDICAL INSTRUMENT CO.,LTD. Registration number: Y2022980004315 |