CN212341707U - Medical instrument alarm device control circuit - Google Patents
Medical instrument alarm device control circuit Download PDFInfo
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- CN212341707U CN212341707U CN202021244160.8U CN202021244160U CN212341707U CN 212341707 U CN212341707 U CN 212341707U CN 202021244160 U CN202021244160 U CN 202021244160U CN 212341707 U CN212341707 U CN 212341707U
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- alarm device
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Abstract
The utility model relates to the field of medical equipment, especially, relate to a medical equipment alarm device control circuit. The technical problem is as follows: the control circuit of the medical instrument alarm device is convenient for people to judge the specific faults of the medical instrument. The technical implementation scheme of the utility model is: a control circuit of a medical instrument alarm device comprises a power supply circuit, a medical instrument alarm device, a signal acquisition circuit and the like; the medical instrument alarm device is connected with the input end of the signal acquisition circuit. The utility model discloses a main control circuit can carry out the analysis to medical instrument's trouble rank to control speaker and send corresponding sound, people can judge medical instrument's specific trouble through the sound that the speaker sent.
Description
Technical Field
The utility model relates to the field of medical equipment, especially, relate to a medical equipment alarm device control circuit.
Background
The medical instrument is an instrument directly or indirectly used for a human body and comprises required computer software, the treatment effect is mainly obtained in a physical mode, and is not obtained in modes such as pharmacology, immunology and the like, a certain auxiliary effect can be achieved in the process of treating diseases, when the medical instrument breaks down in the using process, an alarm device of the medical instrument can give an alarm to remind people that the medical instrument breaks down and needs to be treated in time, but the alarm device can only give a sound, so that people cannot judge the specific fault of the medical instrument easily.
Aiming at the existing problems, a control circuit of a medical instrument alarm device is developed, which is convenient for people to judge the specific faults of the medical instrument.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect that the alarm device of the medical instrument can only emit one sound, which causes that people are difficult to judge the specific fault of the medical instrument, the technical problem is as follows: the control circuit of the medical instrument alarm device is convenient for people to judge the specific faults of the medical instrument.
The technical implementation scheme of the utility model is: the utility model provides a medical instrument alarm device control circuit, including power supply circuit, medical instrument alarm device, signal acquisition circuit, main control circuit, audio signal drive circuit and speaker, medical instrument alarm device is connected with signal acquisition circuit's input, signal acquisition circuit's output is connected with main control circuit's input, main control circuit's output is connected with audio signal drive circuit's input, audio signal drive circuit's output is connected with the speaker, power supply circuit is medical instrument alarm device, signal acquisition circuit, main control circuit, audio signal drive circuit and speaker power supply.
Preferably, the signal acquisition circuit comprises a photoelectric coupler PC817, an N-channel insulated gate field effect transistor Q1, a first resistor R1, a second resistor R2 and a third resistor R3, wherein the source of the N-channel insulated gate field effect transistor Q1 is grounded, the gate of the N-channel insulated gate field effect transistor Q1 is connected in series with the third resistor R3, the drain of the N-channel insulated gate field effect transistor Q1 is connected in series with the first resistor R1, the other end of the first resistor R1 is connected with +5V, the cathode and the emitter of the photoelectric coupler PC817 are grounded, the anode of the photoelectric coupler PC817 is connected with the drain of the N-channel insulated gate field effect transistor Q1, the collector of the photoelectric coupler PC817 is connected with the second resistor R2 in series, and the other end of the second resistor R2 is connected with + 5V.
Preferably, the main control circuit comprises STC15W201S _ SOP8 and a fourth resistor R4, the collector of the photocoupler PC817 is connected with pin 7 of STC15W201S _ SOP8, pin 2 of STC15W201S _ SOP8 is connected with +5V, pin 4 of STC15W201S _ SOP8 is grounded, pin 1 of STC15W201S _ SOP8 is connected with the fourth resistor R4 in series, and the other end of the fourth resistor R4 is grounded.
Preferably, the audio signal driving circuit comprises an LM386, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a first electrolytic capacitor EC1, a second electrolytic capacitor EC2 and a horn LS1, wherein pins 2 and 4 of the LM386 are grounded, pin 3 of the LM386 is connected in series with the fifth resistor R5, the other end of the fifth resistor R5 is connected with pin 1 of STC15W201S _ SOP8, pin 5 of the LM386 is connected in series with the second electrolytic capacitor EC2 and the horn LS1, the other end of the horn LS1 is connected in series with the second capacitor C2 and the sixth resistor R6, the other end of the sixth resistor R6 is connected with pin 5 of the LM386, pin 6 of the LM386 is connected in series with the first capacitor C1, and the other end of the first capacitor C1 is connected in parallel with the second electrolytic capacitor EC 2.
Preferably, the model of the main control circuit is STC15W201S _ SOP 8.
The beneficial effects are as follows:
the utility model discloses a main control circuit can carry out the analysis to medical instrument's trouble rank to control speaker and send corresponding sound, people can judge medical instrument's specific trouble through the sound that the speaker sent.
Drawings
Fig. 1 is a circuit block diagram of the present invention.
Fig. 2 is a schematic circuit diagram of the present invention.
Description of reference numerals: 1-power supply circuit, 2-medical apparatus alarm device, 3-signal acquisition circuit, 4-main control circuit, 5-audio signal drive circuit, 6-loudspeaker.
Detailed Description
The above-described scheme is further illustrated below with reference to specific examples. It should be understood that these examples are for illustrative purposes and are not intended to limit the scope of the present application. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.
Embodiment mode 1
The utility model provides a medical instrument alarm device control circuit, as shown in figure 1, including power supply circuit 1, medical instrument alarm device 2, signal acquisition circuit 3, main control circuit 4, audio signal drive circuit 5 and speaker 6, medical instrument alarm device 2 is connected with signal acquisition circuit 3's input, signal acquisition circuit 3's output is connected with main control circuit 4's input, main control circuit 4's output is connected with audio signal drive circuit 5's input, audio signal drive circuit 5's output is connected with speaker 6, power supply circuit 1 supplies power for medical instrument alarm device 2, signal acquisition circuit 3, main control circuit 4, audio signal drive circuit 5 and speaker 6.
After the control circuit of the medical instrument alarm device 2 is powered on, the signal acquisition circuit 3 acquires the signal of the medical instrument alarm device 2, when the signal acquisition circuit 3 acquires a fault signal, the signal acquisition circuit 3 inputs the signal into the main control circuit 4, the main control circuit 4 analyzes the level of the signal, and inputs an analysis result into the audio signal driving circuit 5, the audio signal driving circuit 5 controls the loudspeaker 6 to emit corresponding sound, so that people are reminded of the occurrence of the fault of the medical instrument, the processing is required in time, and people can judge the specific fault of the medical instrument through the sound emitted by the loudspeaker 6.
As shown in figure 2, the signal acquisition circuit 3 comprises a photoelectric coupler PC817, an N-channel insulated gate field effect transistor Q1, a first resistor R1, a second resistor R2 and a third resistor R3, wherein the source of the N-channel insulated gate field effect transistor Q1 is grounded, the gate of the N-channel insulated gate field effect transistor Q1 is connected in series with the third resistor R3, the drain of the N-channel insulated gate field effect transistor Q1 is connected in series with the first resistor R1, the other end of the first resistor R1 is connected with +5V, the cathode and the emitter of the photoelectric coupler PC817 are grounded, the anode of the photoelectric coupler PC817 is connected with the drain of the N-channel insulated gate field effect transistor Q1, the collector of the photoelectric coupler PC817 is connected with the second resistor R2 in series, and the other end of the second resistor R2 is connected with + 5V.
The main control circuit 4 comprises an STC15W201S _ SOP8 and a fourth resistor R4, wherein a collector of the photocoupler PC817 is connected with a pin 7 of an STC15W201S _ SOP8, a pin 2 of the STC15W201S _ SOP8 is connected with +5V, a pin 4 of the STC15W201S _ SOP8 is grounded, a pin 1 of the STC15W201S _ SOP8 is connected with the fourth resistor R4 in series, and the other end of the fourth resistor R4 is grounded.
The audio signal driving circuit 5 comprises an LM386, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a first electrolytic capacitor EC1, a second electrolytic capacitor EC2 and a loudspeaker LS1, wherein pins 2 and 4 of the LM386 are grounded, pin 3 of the LM386 is connected with the fifth resistor R5 in series, the other end of the fifth resistor R5 is connected with pin 1 of STC15W201S _ SOP8, pin 5 of the LM386 is connected with the second electrolytic capacitor EC2 and the loudspeaker LS1 in series, the other end of the loudspeaker LS1 is connected with the second capacitor C2 and the sixth resistor R6 in series, the other end of the sixth resistor R6 is connected with pin 5 of the LM386, pin 6 of the LM386 is connected with the first capacitor C1 in series to be grounded, and the other end of the first capacitor C1 is connected with the second electrolytic capacitor EC2 in parallel.
The model of the main control circuit 4 is STC15W201S _ SOP 8.
The collected fault signals are input into a photoelectric coupler PC817, a collector of the photoelectric coupler PC817 outputs pulse signals, the pulse signals are input into an STC15W201S _ SOP8, the STC15W201S _ SOP8 judges the number of the pulses, 1 pin of the STC15W201S _ SOP8 inputs the pulse signals into an LM386, the LM386 outputs corresponding audio signals according to the width of the pulse signals, a loudspeaker LS1 emits corresponding sounds to remind people of faults of the medical equipment, timely processing is needed, and people can judge the specific faults of the medical equipment through the sounds emitted by the loudspeaker LS 1.
The LM386 is an audio integrated power amplifier, has the advantages of low self power consumption, adjustable updated inner link gain, large power supply voltage range, few external elements, small total harmonic distortion and the like, and is widely applied to a recorder and a radio.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (5)
1. A control circuit of a medical instrument alarm device is characterized in that: including power supply circuit, medical instrument alarm device, signal acquisition circuit, main control circuit, audio signal drive circuit and speaker, medical instrument alarm device is connected with signal acquisition circuit's input, signal acquisition circuit's output is connected with main control circuit's input, main control circuit's output is connected with audio signal drive circuit's input, audio signal drive circuit's output is connected with the speaker, power supply circuit supplies power for medical instrument alarm device, signal acquisition circuit, main control circuit, audio signal drive circuit and speaker.
2. The medical instrument alarm device control circuit of claim 1, wherein: the signal acquisition circuit comprises a photoelectric coupler PC817, an N-channel insulated gate field effect transistor Q1, a first resistor R1, a second resistor R2 and a third resistor R3, wherein the source electrode of the N-channel insulated gate field effect transistor Q1 is grounded, the grid electrode of the N-channel insulated gate field effect transistor Q1 is connected with the third resistor R3 in series, the drain electrode of the N-channel insulated gate field effect transistor Q1 is connected with the first resistor R1 in series, the other end of the first resistor R1 is connected with +5V, the cathode and the emitter electrode of the photoelectric coupler PC817 are grounded, the anode of the photoelectric coupler PC817 is connected with the drain electrode of the N-channel insulated gate field effect transistor Q1, the collector electrode of the photoelectric coupler PC817 is connected with the second resistor R2 in series, and the other end of the second resistor R2 is connected with + 5V.
3. The medical device alarm control circuit of claim 2, wherein: the main control circuit comprises an STC15W201S _ SOP8 and a fourth resistor R4, a collector of the photoelectric coupler PC817 is connected with a pin 7 of an STC15W201S _ SOP8, a pin 2 of the STC15W201S _ SOP8 is connected with +5V, a pin 4 of the STC15W201S _ SOP8 is grounded, a pin 1 of the STC15W201S _ SOP8 is connected with the fourth resistor R4 in series, and the other end of the fourth resistor R4 is grounded.
4. A medical instrument alarm control circuit according to claim 3, wherein: the audio signal driving circuit comprises an LM386, a fifth resistor R5, a sixth resistor R6, a first capacitor C1, a second capacitor C2, a first electrolytic capacitor EC1, a second electrolytic capacitor EC2 and a loudspeaker LS1, wherein pins 2 and 4 of the LM386 are grounded, pin 3 of the LM386 is connected with the fifth resistor R5 in series, the other end of the fifth resistor R5 is connected with pin 1 of STC15W201S _ SOP8, pin 5 of the LM386 is connected with the second electrolytic capacitor EC2 and the loudspeaker LS1 in series, the other end of the loudspeaker LS1 is connected with the second capacitor C2 and the sixth resistor R6 in series, the other end of the sixth resistor R6 is connected with pin 5 of the LM386, pin 6 of the LM386 is connected with the first capacitor C1 in series and grounded, and the two ends of the first capacitor C1 are connected with the second electrolytic capacitor EC2 in parallel.
5. The medical device alarm control circuit of claim 4, wherein: the model of the main control circuit is STC15W201S _ SOP 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244160.8U CN212341707U (en) | 2020-06-30 | 2020-06-30 | Medical instrument alarm device control circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021244160.8U CN212341707U (en) | 2020-06-30 | 2020-06-30 | Medical instrument alarm device control circuit |
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| CN212341707U true CN212341707U (en) | 2021-01-12 |
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| CN202021244160.8U Active CN212341707U (en) | 2020-06-30 | 2020-06-30 | Medical instrument alarm device control circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325775A (en) * | 2021-06-04 | 2021-08-31 | 张元秀 | Medical equipment operation fault monitoring circuit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113325775A (en) * | 2021-06-04 | 2021-08-31 | 张元秀 | Medical equipment operation fault monitoring circuit |
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