CN202982041U - Heart sound signal acquisition instrument - Google Patents
Heart sound signal acquisition instrument Download PDFInfo
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- CN202982041U CN202982041U CN 201320000238 CN201320000238U CN202982041U CN 202982041 U CN202982041 U CN 202982041U CN 201320000238 CN201320000238 CN 201320000238 CN 201320000238 U CN201320000238 U CN 201320000238U CN 202982041 U CN202982041 U CN 202982041U
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- Prior art keywords
- heart sound
- acquisition instrument
- sound signal
- key switch
- signal acquisition
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Abstract
The utility model discloses a heart sound signal acquisition instrument. The instrument comprises a heart sound sensor, an audio amplifier chip, a loudspeaker, a 3.6V battery, a key switch, a resistor, and a capacitor, wherein the heart sound sensor is connected with the loudspeaker through the audio amplifier chip, and the heart sound sensor is also connected with the battery. The acquisition instrument further comprises a single chip microcomputer and a 16*15 double color patch LED (Light-Emitted Diode) lattice circuit, wherein the single chip microcomputer is respectively connected with the LED lattice circuit, the battery, the audio amplifier chip, and the key switch, the signal of the heart sound signal acquisition instrument is displayed by the 16*15 double color patch LED lattice circuit under the control of the single chip microcomputer, the heart sound signal is given out by the loudspeaker under the control of the audio amplifier chip, synchronous and corresponding display and sound making can be realized according to the heart sound signal acquired by the heart sound sensor, and the heart sound signal can also be stored and replayed. In addition, the heart sound signal acquisition instrument is simple in structure, low in cost, and convenient and flexible in use.
Description
Technical field
This utility model relates to a kind of heart sound signal acquisition instrument, particularly relates to a kind of heart sound signal acquisition instrument of heart sound transducer and LED dot matrix.
Background technology
The heart sound signal acquisition instrument of prior art, complex structure, expensive, use also inconvenient spirit words.
Summary of the invention
The purpose of this utility model is, a kind of heart sound signal acquisition instrument is provided, this heart sound signal acquisition instrument is by its signal of Single-chip Controlling 16x15 dual base color paster LED dot matrix Circuit display, send cardiechema signals by audio frequency amplification chip control loudspeaker, can be according to the synchronous corresponding demonstration of the cardiechema signals that heart sound transducer obtains and pronunciation, its cardiechema signals can also be stored, reset, and this heart sound signal acquisition instrument is simple in structure, price is low, spirit words easy to use.
For achieving the above object, the technical solution of the utility model is as follows:
a kind of heart sound signal acquisition instrument, comprise, heart sound transducer, the audio frequency amplification chip, speaker, 3.6V battery, key switch, resistance, capacitor, described heart sound transducer is connected with described speaker by described audio frequency amplification chip, described heart sound transducer also is connected with described battery, wherein, described Acquisition Instrument also comprises, single-chip microcomputer and 16x15 dual base color paster LED dot matrix circuit, described single-chip microcomputer respectively with described LED dot matrix circuit, described battery, described audio frequency amplification chip, key switch connects, described single-chip microcomputer is used for controlling the cardiechema signals that LED dot matrix Circuit display gathers, with its cardiechema signals storage, reset.
Preferably, the model of described heart sound transducer is HKY-06B, and this heart sound transducer is used for catching the human body cardiechema signals.
Preferably, the model of described audio frequency amplification chip is LM386, and this audio frequency amplification chip is used for amplifying cardiechema signals.
Preferably, described key switch is 4, and an end pin of described key switch is connected with described single-chip microcomputer, and the other end pin of described key switch is connected with described battery jointly, and described key switch is used for operating described Acquisition Instrument.
The beneficial effects of the utility model:
A kind of heart sound signal acquisition instrument, this heart sound signal acquisition instrument is by its signal of Single-chip Controlling 16x15 dual base color paster LED dot matrix Circuit display, send cardiechema signals by audio frequency amplification chip control loudspeaker, can be according to the synchronous corresponding demonstration of the cardiechema signals that heart sound transducer obtains and pronunciation, its cardiechema signals can also be stored, reset, and this heart sound signal acquisition instrument is simple in structure, price is low, spirit words easy to use.
Description of drawings
Fig. 1 is the circuit theory schematic diagram of a kind of heart sound signal acquisition instrument of this utility model.
The specific embodiment
In order to further illustrate principle of the present utility model and structure, now by reference to the accompanying drawings preferred embodiment of the present utility model is elaborated, yet described embodiment can not be used for limiting scope of patent protection of the present utility model only for furnishing an explanation and the use of explaining.
a kind of heart sound signal acquisition instrument as shown in Figure 1, comprise, model is the heart sound transducer 4 of HKY-06B, model is the audio frequency amplification chip 5 of LM386, speaker 6, voltage is the battery 3 of 3.6V, key switch K1, key switch K2, key switch K3, key switch K4, variable resistance 5A, resistance 5C, capacitor 5B, electrolysis condenser 5D, described heart sound transducer 4 is connected with described speaker 6 by described audio frequency amplification chip 5, described heart sound transducer 4 also is connected with described battery 3, wherein, described Acquisition Instrument also comprises, the red green dual base color paster LED dot matrix circuit 2 of single-chip microcomputer 1 and 16x15, described single-chip microcomputer 1 respectively with described LED dot matrix circuit 2, described battery 3, described audio frequency amplification chip 5, key switch K1, key switch K2, key switch K3, key switch K4 connects, described single-chip microcomputer 1 is used for controlling LED dot matrix circuit 2 and shows the cardiechema signals that gathers, with its cardiechema signals storage, reset.
The red green dual base color paster LED dot matrix circuit 2 of described 16x15, expression is the red green dual base color paster LED dot matrix that 16 row are taken advantage of 15 row, this LED dot matrix has 16x15x2=480 LED, that is to say in the red green dual base color paster LED dot matrix circuit 2 of described 16x15,240 red LED and 240 green LED are arranged.
The 56th pin to the 49 pins of described single-chip microcomputer 1 drive junction point X1 to X8 with the row of described LED dot matrix circuit 2 and are connected, and the 25th pin to the 32 pins of described single-chip microcomputer 1 drive junction point X9 to X16 with the row of described LED dot matrix circuit 2 and are connected; The 7th pin to the 1 pin of described single-chip microcomputer 1 drives junction point Y1 to Y7 with the red LED of described LED dot matrix circuit 2 row and is connected, the 64th pin to the 57 pins of described single-chip microcomputer 1 drive junction point Y8 to Y15 with the red LED of described LED dot matrix circuit 2 row and are connected, and the 22nd pin to the 8 pins of described single-chip microcomputer 1 drive junction point yy1 to yy15 with the green LED of described LED dot matrix circuit 2 row and are connected.
The 33rd pin of described single-chip microcomputer 1 is connected with the positive pole of described battery 3, and the 34th pin of described single-chip microcomputer 1 is connected with the negative pole of described battery 3; The 36th pin of described single-chip microcomputer 1 is connected with the 5th pin of described audio frequency amplification chip 5, and the 36th pin of described single-chip microcomputer 1 can under the support of software, be arranged to the analog digital conversion input pin or be arranged to the digital-to-analogue conversion output pin.
the 45th pin of described single-chip microcomputer 1, the 46th pin, the 47th pin, the 48th pin respectively with key switch K1, K2, K3, the end pin of K4 connects, key switch K1, K2, K3, the other end pin of K4 is connected with the negative pole of described battery 3 jointly, the negative pole of described battery 3 also respectively with the negative pole of described speaker 6, the 2nd pin of described audio frequency amplification chip 5, the 4th pin of described audio frequency amplification chip 5, the 7th pin of described audio frequency amplification chip 5, the negative electrode pin GND of described heart sound transducer 4, the end pin of variable resistance 5A, the end pin of resistance 5C connects, the positive pole of described battery 3 also is connected with the anelectrode pin VCC of described heart sound transducer 4, the 6th pin of described audio frequency amplification chip 5 respectively.
The other end pin of variable resistance 5A is connected with the cardiechema signals pin OUT of described heart sound transducer 4, the middle-end pin of variable resistance 5A is connected with the 3rd pin of described audio frequency amplification chip 5, the 5th pin of described audio frequency amplification chip 5 also is connected with the end of capacitor 5B, the positive pole of electrolysis condenser 5D, the negative pole of this electrolysis condenser 5D is connected with the positive pole of described speaker 6, and the other end of described capacitor 5B is connected with the negative pole of described battery 3 by resistance 5C.
Preferably, the model of described heart sound transducer 4 is HKY-06B, and this heart sound transducer 4 is used for catching the human body cardiechema signals.
Preferably, the model of described audio frequency amplification chip 5 is LM386, and this audio frequency amplification chip 5 is used for amplifying cardiechema signals.
Preferably, described key switch is 4, they are key switch K1, K2, K3, K4, the end pin of described key switch K1, K2, K3, K4 is connected with the 45th pin, the 46th pin, the 47th pin, the 48th pin of described single-chip microcomputer 1, the other end pin of described key switch K1, K2, K3, K4 is connected with the negative pole of described battery 3 jointly, and described key switch K1, K2, K3, K4 are used for operating described Acquisition Instrument.
Described specific embodiment advantage and beneficial effect are, the heart sound signal acquisition instrument of this specific embodiment, by red green its signal of dual base color paster LED dot matrix Circuit display of Single-chip Controlling 16x15, be that LM386 audio frequency amplification chip control loudspeaker sends cardiechema signals by model, can it be synchronous corresponding the demonstration and pronunciation of cardiechema signals that the HKY-06B heart sound transducer obtains according to model, its cardiechema signals can also be stored, reset, and this heart sound signal acquisition instrument is simple in structure, price is low, spirit words easy to use.
The just specific embodiment of this utility model described above; the various fleshes and bloods that illustrate not utility model are construed as limiting; the person of an ordinary skill in the technical field after having read description can to before the described specific embodiment make an amendment or be out of shape, all should be considered as belonging to protection domain of the present utility model.
Claims (4)
1. heart sound signal acquisition instrument, comprise, heart sound transducer, the audio frequency amplification chip, speaker, 3.6V battery, key switch, resistance, capacitor, described heart sound transducer is connected with described speaker by described audio frequency amplification chip, described heart sound transducer also is connected with described battery, it is characterized in that: described Acquisition Instrument also comprises, single-chip microcomputer and 16x15 dual base color paster LED dot matrix circuit, described single-chip microcomputer respectively with described LED dot matrix circuit, described battery, described audio frequency amplification chip, key switch connects, described single-chip microcomputer is used for controlling the cardiechema signals that LED dot matrix Circuit display gathers, with its cardiechema signals storage, reset.
2. a kind of heart sound signal acquisition instrument according to claim 1, it is characterized in that: the model of described heart sound transducer is HKY-06B, this heart sound transducer is used for catching the human body cardiechema signals.
3. a kind of heart sound signal acquisition instrument according to claim 2, it is characterized in that: the model of described audio frequency amplification chip is LM386, this audio frequency amplification chip is used for amplifying cardiechema signals.
4. a kind of heart sound signal acquisition instrument according to claim 3, it is characterized in that: described key switch is 4, one end pin of described key switch is connected with described single-chip microcomputer, the other end pin of described key switch is connected with described battery jointly, and described key switch is used for operating described Acquisition Instrument.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320000238 CN202982041U (en) | 2013-01-02 | 2013-01-02 | Heart sound signal acquisition instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320000238 CN202982041U (en) | 2013-01-02 | 2013-01-02 | Heart sound signal acquisition instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202982041U true CN202982041U (en) | 2013-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320000238 Expired - Fee Related CN202982041U (en) | 2013-01-02 | 2013-01-02 | Heart sound signal acquisition instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202982041U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040483A (en) * | 2013-01-02 | 2013-04-17 | 管存忠 | Heart sound signal acquisition instrument |
-
2013
- 2013-01-02 CN CN 201320000238 patent/CN202982041U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103040483A (en) * | 2013-01-02 | 2013-04-17 | 管存忠 | Heart sound signal acquisition instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20140102 |