CN213148140U

CN213148140U - Medical equipment internal temperature detection alarm circuit

Info

Publication number: CN213148140U
Application number: CN202021724306.9U
Authority: CN
Inventors: 肖卫; 高辰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-18
Filing date: 2020-08-18
Publication date: 2021-05-07
Anticipated expiration: 2030-08-18

Abstract

The utility model relates to the field of medical equipment, especially, relate to an inside temperature detection alarm circuit of medical equipment. The to-be-solved technical problem of the utility model is to provide a medical equipment inside temperature detection alarm circuit that can protect medical equipment. In order to solve the technical problem, the utility model provides such medical equipment internal temperature detects warning circuit which comprises there are mains operated unit, switch, temperature sensor, first comparator circuit, second comparator circuit etc. switch is connected with temperature sensor, the input of first comparator circuit and second comparator circuit all is connected with temperature sensor. The utility model can remind people of abnormal temperature inside the medical equipment through the loudspeaker, and the temperature needs to be processed in time, so that the medical equipment can be effectively protected; the temperature inside the medical equipment can be conveniently judged by people through the second indicator lamp and the first indicator lamp, and manual examination of people is not needed.

Description

Medical equipment internal temperature detection alarm circuit

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an inside temperature detection alarm circuit of medical equipment.

Background

Medical equipment is the instrument that uses in the human body, can be to the treatment of disease, diagnose and alleviate and play certain additional action, there is vital effect at the medical industry, medical equipment is at the operation in-process, can produce a large amount of heats, the heat can distribute away through the inside radiator of medical equipment, when the radiator is used for a long time, its surface can be infected with many dusts, influence the radiating efficiency, lead to the inside temperature rise of medical equipment, influence medical equipment's life, secondly, under the influence of external environment, the inside temperature of medical equipment may be too low, it is unfavorable to medical equipment equally.

Therefore, there is a need to design an alarm circuit for protecting medical equipment in response to the current problems.

SUMMERY OF THE UTILITY MODEL

(1) Technical problem to be solved

The utility model discloses an overcome the inside high temperature of medical equipment or cross lowly and all can influence life, to the unfavorable shortcoming of medical equipment, the to-be-solved technical problem of the utility model is to provide a can protect medical equipment's the inside temperature detection alarm circuit of medical equipment.

(2) Technical scheme

In order to solve the technical problem, the utility model provides such medical equipment internal temperature detection alarm circuit which comprises there are mains operated unit, switch, temperature sensor, first comparator circuit, second comparator circuit, third potentiometre, oscillation generator and control circuit and speaker, switch is connected with temperature sensor, the input of first comparator circuit and second comparator circuit all is connected with temperature sensor, the third potentiometre is connected with the input of second comparator circuit, the output of first comparator circuit and second comparator circuit all is connected with oscillation generator and control circuit's input, oscillation generator and control circuit's output and speaker are connected, mains operated unit is switch, temperature sensor, first comparator circuit, second comparator circuit, The third potentiometer, the oscillation generator and control circuit and the loudspeaker supply power.

Preferably, the power supply device further comprises a second potentiometer, a first potentiometer, a second indicator light and a first indicator light, the second potentiometer is connected with the input end of the second comparator circuit, the second indicator light is connected with the output end of the second comparator circuit, the first potentiometer is connected with the input end of the first comparator circuit, the first indicator light is connected with the output end of the first comparator circuit, and the power supply unit supplies power to the second potentiometer, the first potentiometer, the second indicator light and the first indicator light.

Preferably, the power supply device further comprises a frequency setting circuit, an output end of the frequency setting circuit is connected with input ends of the oscillation generator and the control circuit, and the power supply unit supplies power to the frequency setting circuit.

Preferably, the first comparator circuit comprises an LM358-U1, a potentiometer VR1-VR3, diodes D1-D2, RT1, a switch S1, a capacitor C1, a resistor R1, a resistor R4-R6, a resistor R11-R12 and a light emitting diode VD1-VD2, wherein 4 feet of the LM358-U1 are grounded, 8 feet of the LM358-U1 are connected with the switch S1, the other end of the switch S1 is connected with +9V, 8 feet of the LM358-U1 are connected in series with the resistor R1 and the diode D1, a cathode of the diode D1 is grounded, the resistor R1 is connected in series with the potentiometer VR1 and the other end of the resistor R1 is grounded, the resistor R1 is connected with a node between the resistor R1 and the diode D1, a pin 3 of the LM358-U1 is connected with an input end of the VR1, an input end of the VR1 is connected with the resistor R1 and the resistor R1, the other end of the resistor R1 is connected in series with the resistor R1 and the resistor R1, the other end of the resistor R1 and the resistor, the 6 feet of the LM358-U1 are connected with the input end of a potentiometer VR2, the RT1 is connected with the potentiometer VR3 in series, the other end of the RT1 is connected with a node between a resistor R1 and a diode D1, the other end of the potentiometer VR3 and the input end thereof are grounded, the 2 foot of the LM358-U1 is connected with a node between the RT1 and the potentiometer VR3, the 2 foot of the LM358-U1 is connected with a capacitor C1, the other end of the capacitor C1 is grounded, the 2 foot of the LM358-U1 is connected with the 5 feet thereof, the 1 foot of the LM358-U1 is connected with a light emitting diode VD1 and a resistor R6 in series, the other end of the resistor R6 is connected with the 8 feet of the LM358-U1, and the 7 foot of the LM-U1 is connected with the light emitting diode VD1 and the diode D2 in series.

Preferably, the oscillation generator and control circuit comprises an LM358-U2, an electrolytic capacitor EC1, a horn LS1, a resistor R3, a resistor R8-R10, a resistor R14 and a capacitor C14, wherein the 4 feet of the LM 358-U14 are grounded, the 2 feet of the LM 358-U14 are connected with the cathode of a diode D14, the 1 foot of the LM 358-U14 is connected with the electrolytic capacitor EC 14 and the horn LS 14 in series, the other end of the horn LS 14 is grounded, the 8 foot of the LM 358-U14 is connected with the 8 foot of the LM 358-U14, the 8 foot of the LM 358-U14 is connected with the resistor R14 and the resistor R14 in series, the other end of the resistor R14 is grounded, the 5 foot of the LM 358-U14 is connected with a node between the resistor R14 and the resistor R14, the 7 foot of the LM 358-U14 is connected with the resistor R14 and the capacitor C14 in series, the other end of the LM 358-U14 is connected with the node between the capacitor R14 and the capacitor C14 and the resistor R14, the 5 feet of the LM358-U2 are connected in series with a resistor R10 and a resistor R3, and the 7 feet of the LM358-U2 are connected with a node between the resistor R10 and the resistor R3.

Preferably, the frequency setting circuit comprises a potentiometer VR4, a capacitor C2, a resistor R2 and a resistor R13, wherein the pin 1 of the LM358-U2 is connected in series with the resistor R2 and the resistor R13, the other end of the resistor R13 is grounded, the pin 3 of the LM358-U2 is connected with a node between the resistor R2 and the resistor R13, the other end of the resistor R3 is connected with a node between the resistor R2 and the resistor R13, the potentiometer VR4 is connected in series with the capacitor C2, the other end of the potentiometer VR4 is floating, the other end of the capacitor C2 is grounded, the pin 2 of the LM358-U2 is connected with a node between the potentiometer VR4 and the capacitor C2, and the pin 1 of the LM358-U2 is connected with an input end of the potentiometer VR 4.

(3) Advantageous effects

1. The temperature abnormity in the medical equipment can be reminded through the loudspeaker, and the medical equipment can be effectively protected if the temperature abnormity needs to be processed in time.

2. The temperature inside the medical equipment can be conveniently judged by people through the second indicator lamp and the first indicator lamp, and manual examination of people is not needed.

3. The frequency of the loudspeaker can be adjusted by the frequency setting circuit to change the sound emitted by the loudspeaker.

Drawings

Fig. 1 is a circuit block diagram of the present invention.

Fig. 2 is a schematic circuit diagram of the present invention.

The labels in the figures are: 1-a power supply unit, 2-a power switch, 3-a temperature sensor, 5-a first comparator circuit, 6-a second comparator circuit, 7-a second potentiometer, 8-a first potentiometer, 9-a third potentiometer, 10-a second indicator light, 11-a first indicator light, 12-an oscillation generator and control circuit, 13-a frequency setting circuit and 14-a loudspeaker.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

Example 1

A medical equipment internal temperature detection alarm circuit is shown in figure 1 and comprises a power supply unit 1, a power switch 2, a temperature sensor 3, a first comparator circuit 5, a second comparator circuit 6, a third potentiometer 9, an oscillation generator and control circuit 12 and a loudspeaker 14, wherein the power switch 2 is connected with the temperature sensor 3, the input ends of the first comparator circuit 5 and the second comparator circuit 6 are connected with the temperature sensor 3, the third potentiometer 9 is connected with the input end of the second comparator circuit 6, the output ends of the first comparator circuit 5 and the second comparator circuit 6 are connected with the input ends of the oscillation generator and control circuit 12, the output end of the oscillation generator and the control circuit 12 is connected with the loudspeaker 14, and the power supply unit 1 is composed of the power switch 2, the temperature sensor 3, the loudspeaker 14 and the power supply unit, The first comparator circuit 5, the second comparator circuit 6, the third potentiometer 9, the oscillation generator and control circuit 12 and the loudspeaker 14 are powered.

After the inside temperature detection alarm circuit of medical equipment was gone up the electricity, people press switch 2, temperature sensor 3 begins work, temperature sensor 3 detects the inside temperature of medical equipment, and with the data input who detects in first comparator circuit 5 and the second comparator circuit 6, people set up the temperature range through third potentiometre 9, second comparator circuit 6 can compare the temperature that detects with the temperature range of setting for, when the temperature that detects is not in the temperature range of setting for, second comparator circuit 6 sounds through oscillation generator and control circuit 12 control speaker 14, remind people the inside temperature anomaly of medical equipment, in time handle, so can effectual protection medical equipment.

Example 2

On the basis of embodiment 1, as shown in fig. 1, the power supply device further includes a second potentiometer 7, a first potentiometer 8, a second indicator light 10, and a first indicator light 11, wherein the second potentiometer 7 is connected to an input terminal of the second comparator circuit 6, the second indicator light 10 is connected to an output terminal of the second comparator circuit 6, the first potentiometer 8 is connected to an input terminal of the first comparator circuit 5, the first indicator light 11 is connected to an output terminal of the first comparator circuit 5, and the power supply unit 1 supplies power to the second potentiometer 7, the first potentiometer 8, the second indicator light 10, and the first indicator light 11.

People can set up the temperature upper limit through first potentiometre 8, then set up the temperature lower limit through second potentiometre 7, when the inside temperature of medical equipment reaches the temperature upper limit, first pilot lamp 11 lights, and when the inside temperature of medical equipment is less than the temperature lower limit, second pilot lamp 10 lights, makes things convenient for people to judge the inside temperature of medical equipment, does not need people's manual inspection.

The power supply device further comprises a frequency setting circuit 13, wherein the output end of the frequency setting circuit 13 is connected with the input end of the oscillation generator and control circuit 12, and the power supply unit 1 supplies power to the frequency setting circuit 13.

One can adjust the frequency of the oscillation output from the oscillation generator and control circuit 12 by the frequency setting circuit 13, adjust the frequency of the speaker 14, and change the sound emitted by the speaker 14.

Example 3

A medical equipment internal temperature detection alarm circuit is disclosed, as shown in fig. 2, the first comparator circuit 5 comprises LM358-U1, a potentiometer VR1-VR3, diodes D1-D2, RT1, a switch S1, a capacitor C1, a resistor R1, a resistor R4-R6, a resistor R11-R12 and light emitting diodes VD1-VD2, the 4 feet of the LM358-U1 are grounded, the 8 feet of the LM358-U1 are connected with a switch S1, the other end of the switch S1 is connected with +9V, the 8 feet of the LM358-U1 are connected with a resistor R1 and a diode D1 in series, the cathode of the diode D1 is grounded, the resistor R4 is connected with a potentiometer 1 and a resistor R11 in series, the other end of the resistor R11 is grounded, the resistor R4 is connected with a node between the resistor R1 and the diode D1, the VR 358-U72 is connected with the input end of the resistor VR1 and the resistor R1, the other end of the resistor R12 is grounded, the resistor R5 is connected with a node between a resistor R1 and a diode D1, the pin 6 of the LM358-U1 is connected with an input end of a potentiometer VR2, the RT1 is connected with a potentiometer VR3 in series, the other end of the RT1 is connected with a node between a resistor R1 and a diode D1, the other end of the potentiometer VR3 and an input end of the potentiometer are grounded, the pin 2 of the LM358-U1 is connected with a node between the RT1 and a potentiometer VR3, the pin 2 of the LM358-U1 is connected with a capacitor C1, the other end of the capacitor C1 is grounded, the pin 2 of the LM358-U1 is connected with the pin 5 thereof, the pin 1 of the LM358-U1 is connected with an LED VD1 and a resistor R1 in series, the other end of the resistor R1 is connected with the pin 7 of the LM-U1 and the LED VD1 are connected with the diode VD1 in series.

The oscillation generator and control circuit 12 comprises an LM358-U2, an electrolytic capacitor EC1, a loudspeaker LS1, a resistor R3, a resistor R8-R10, a resistor R14 and a capacitor C14, wherein the 4 feet of the LM 358-U14 are grounded, the 2 feet of the LM 358-U14 are connected with the cathode of a diode D14, the 1 foot of the LM 358-U14 is connected with the electrolytic capacitor EC 14 and the loudspeaker LS 14 in series, the other end of the loudspeaker LS 14 is grounded, the 8 foot of the LM 358-U14 is connected with the 8 foot of the LM 358-U14, the 8 foot of the LM 358-U14 is connected with the resistor R14 and the resistor R14 in series, the other end of the resistor R14 is grounded, the 5 foot of the LM 358-U14 is connected with a node between the resistor R14 and the resistor R14, the 7 foot of the LM 358-U14 is connected with the resistor R14 and the node of the capacitor C14 in series, the other end of the capacitor C358-U14 is connected with the resistor R14 and the node of the LM 358-U14, the 5 feet of the LM358-U2 are connected in series with a resistor R10 and a resistor R3, and the 7 feet of the LM358-U2 are connected with a node between the resistor R10 and the resistor R3.

The frequency setting circuit 13 comprises a potentiometer VR4, a capacitor C2, a resistor R2 and a resistor R13, wherein a pin 1 of the LM358-U2 is connected in series with the resistor R2 and the resistor R13, the other end of the resistor R13 is grounded, a pin 3 of the LM358-U2 is connected with a node between the resistor R2 and the resistor R13, the other end of the resistor R3 is connected with a node between the resistor R2 and the resistor R13, the potentiometer VR4 is connected in series with the capacitor C2, the other end of the potentiometer VR4 is suspended, the other end of the capacitor C2 is grounded, a pin 2 of the LM358-U2 is connected with a node between the potentiometer VR4 and the capacitor C2, and a pin 1 of the LM358-U2 is connected with an input end of the potentiometer VR 4.

After a temperature detection alarm circuit in the medical equipment is powered on, people press a switch S1, RT1 starts to work, then people adjust a temperature range through a potentiometer VR3, then adjust a contrast voltage of LM358-U1 through the potentiometer VR1 to set an upper temperature limit, then adjust the contrast voltage of LM358-U1 through a potentiometer VR2 to set a lower temperature limit, RT1 detects the temperature in the medical equipment and inputs detected data into the LM358-U1, the LM358-U1 can compare the detected temperature with a set temperature range, when the detected temperature is not in the set temperature range, a pin 1 of the LM358-U2 outputs an oscillation signal to drive a loudspeaker LS1 to sound to remind people of abnormal temperature in the medical equipment to be processed in time, so the medical equipment can be effectively protected, if the temperature in the medical equipment reaches the set upper temperature limit, if the temperature in the medical equipment is lower than the set lower temperature limit, the 7-pin output low level of LM358-U1, the light-emitting diode VD2 and the light-emitting diode VD1 are not lighted, so that people can conveniently judge the temperature in the medical equipment, and people can adjust the oscillation frequency output by the 1-pin of LM358-U2 through a potentiometer VR4, adjust the frequency of a horn LS1 and change the sound emitted by the horn LS 1.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The internal temperature detection alarm circuit of the medical equipment is characterized by comprising a power supply unit (1), a power switch (2), a temperature sensor (3), a first comparator circuit (5), a second comparator circuit (6), a third potentiometer (9), an oscillation generator and control circuit (12) and a loudspeaker (14), wherein the power switch (2) is connected with the temperature sensor (3), the input ends of the first comparator circuit (5) and the second comparator circuit (6) are connected with the temperature sensor (3), the third potentiometer (9) is connected with the input end of the second comparator circuit (6), the output ends of the first comparator circuit (5) and the second comparator circuit (6) are connected with the input ends of the oscillation generator and the control circuit (12), the output ends of the oscillation generator and the control circuit (12) are connected with the loudspeaker (14), the power supply unit (1) supplies power for the power switch (2), the temperature sensor (3), the first comparator circuit (5), the second comparator circuit (6), the third potentiometer (9), the oscillation generator and control circuit (12) and the loudspeaker (14).

2. The medical equipment internal temperature detection alarm circuit according to claim 1, further comprising a second potentiometer (7), a first potentiometer (8), a second indicator light (10) and a first indicator light (11), wherein the second potentiometer (7) is connected with an input end of a second comparator circuit (6), the second indicator light (10) is connected with an output end of the second comparator circuit (6), the first potentiometer (8) is connected with an input end of the first comparator circuit (5), the first indicator light (11) is connected with an output end of the first comparator circuit (5), and the power supply unit (1) supplies power to the second potentiometer (7), the first potentiometer (8), the second indicator light (10) and the first indicator light (11).

3. The medical equipment internal temperature detection alarm circuit according to claim 2, further comprising a frequency setting circuit (13), wherein an output end of the frequency setting circuit (13) is connected with an input end of the oscillation generator and the control circuit (12), and the power supply unit (1) supplies power to the frequency setting circuit (13).

4. The medical device internal temperature detection alarm circuit according to claim 3, wherein the first comparator circuit (5) comprises LM358-U1, potentiometers VR1-VR3, diodes D1-D1, RT1, a switch S1, a capacitor C1, a resistor R1, resistors R1-R1 and light emitting diodes VD1-VD 1, wherein the 4 feet of the LM358-U1 are grounded, the 8 feet of the LM358-U1 are connected with the switch S1, the other end of the switch S1 is connected with +9V, the 8 feet of the LM358-U1 are connected with the resistor R1 and the diode D1 in series, the cathode of the diode D1 is grounded, the resistor R1 is connected with the potentiometer 1 in series, the other end of the resistor R1 is grounded, the node between the resistor R1 and the diode D1, and the input end of the LM358-U1 is connected with the potentiometer VR1, the resistor R5 is connected in series with the potentiometer VR2 and the resistor R12, the other end of the resistor R12 is grounded, the resistor R5 is connected with a node between the resistor R1 and the diode D1, the 6 feet of the LM358-U1 are connected with the input end of the potentiometer VR2, the RT1 is connected with a potentiometer VR3 in series, the other end of the RT1 is connected with a node between a resistor R1 and a diode D1, the other end and the input end of the potentiometer VR3 are grounded, the 2 pin of the LM358-U1 is connected with a node between the RT1 and the potentiometer VR3, the 2 feet of the LM358-U1 are connected with a capacitor C1, the other end of the capacitor C1 is grounded, the 2 pins of the LM358-U1 are connected with the 5 pins thereof, the 1 pin of the LM358-U1 is connected with a light-emitting diode VD1 and a resistor R6 in series, the other end of the resistor R6 is connected with the pin 8 of the LM358-U1, and the pin 7 of the LM358-U1 is connected with the light-emitting diode VD1 and the diode D2 in series.

5. The medical device internal temperature detection alarm circuit according to claim 4, wherein the oscillation generator and control circuit (12) comprises LM358-U2, electrolytic capacitor EC1, loudspeaker LS1, resistor R3, resistor R8-R10, resistor R14 and capacitor C3, 4 feet of LM358-U2 are grounded, 2 feet of LM358-U2 are connected with the cathode of diode D2, 1 foot of LM358-U2 is connected in series with electrolytic capacitor EC1 and loudspeaker LS1, the other end of loudspeaker LS1 is grounded, 8 feet of LM358-U2 are connected with 8 feet of LM358-U1, 8 feet of LM358-U2 are connected in series with resistor R9 and resistor R9, the other end of resistor R9 is grounded, 5 feet of LM 358-U9 is connected with the node between resistor R9 and resistor R9, and the resistor R9 are connected in series with the LM 358-U9C 9, the other end of the capacitor C3 is grounded, the 6 feet of the LM358-U2 are connected with a node between the resistor R8 and the capacitor C3, the 5 feet of the LM358-U2 are connected with the resistor R10 and the resistor R3 in series, and the 7 feet of the LM358-U2 are connected with a node between the resistor R10 and the resistor R3.

6. The medical device internal temperature detection alarm circuit according to claim 5, wherein the frequency setting circuit (13) comprises a potentiometer VR4, a capacitor C2, a resistor R2 and a resistor R13, wherein the 1 pin of the LM358-U2 is connected in series with the resistor R2 and the resistor R13, the other end of the resistor R13 is grounded, the 3 pin of the LM358-U2 is connected with a node between the resistor R2 and the resistor R13, the other end of the resistor R3 is connected with a node between the resistor R2 and the resistor R13, the potentiometer VR4 is connected in series with the capacitor C2, the other end of the potentiometer VR4 is floating, the other end of the capacitor C2 is grounded, the 2 pin of the LM358-U2 is connected with a node between the potentiometer VR4 and the capacitor C2, and the 1 pin of the LM358-U2 is connected with an input end of the potentiometer VR 4.