CN213630858U

CN213630858U - Medical air purification dust extraction control circuit

Info

Publication number: CN213630858U
Application number: CN202021180470.8U
Authority: CN
Inventors: 谭周婷
Original assignee: Foshan Bagu Environmental Protection Technology Co ltd
Current assignee: Foshan Bagu Environmental Protection Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-07-06
Anticipated expiration: 2030-06-23

Abstract

The utility model relates to the field of medical equipment, especially, relate to an air purification dust extraction control circuit for medical treatment. The technical problem of the utility model is that: provides a control circuit of a medical air purification dust collector, which can kill bacteria in the air and avoid causing bacterial infection. The technical implementation scheme of the utility model is: a control circuit of air purification and dust collection device for medical treatment comprises a power circuit unit, a power switch, a triode drive circuit and the like; and the power switch is connected with the input end of the triode driving circuit. The utility model can kill bacteria in the air through the positive and negative ion generator, thereby avoiding bacterial infection; people can conveniently judge the state of the positive and negative ion generator through the first indicator light.

Description

Medical air purification dust extraction control circuit

Technical Field

The utility model relates to the field of medical equipment, especially, relate to an air purification dust extraction control circuit for medical treatment.

Background

Air purification means that various indoor environmental problems are solved, sterilization, dust fall, haze removal, harmful decoration residue removal and peculiar smell removal are provided, the air purification device plays an important role in beautifying the environment, and particularly in a ward of a hospital, a patient can have a better rest in a good environment.

At present, the air in the hospital is generally discharged through the air exhaust device in with the ward for the circulation of air in the ward, let the better of air quality in the ward, but the function of air exhaust device only can not kill the bacterium in the air, and the bacterium in the air is arranged the external world, causes bacterial infection very easily.

A control circuit of a medical air purification and dust collection device capable of killing bacteria in the air and avoiding bacterial infection is designed to solve the existing problems.

SUMMERY OF THE UTILITY MODEL

Only the function of airing exhaust in order to overcome exhaust device can not kill the bacterium in the air, and the bacterium in the air is discharged to the external world, causes bacterial infection's shortcoming very easily, the technical problem of the utility model: provides a control circuit of a medical air purification dust collector, which can kill bacteria in the air and avoid causing bacterial infection.

The technical implementation scheme of the utility model is: the utility model provides a medical air purification dust extraction control circuit, is including power supply circuit unit, switch, triode drive circuit, static eliminator, dust catcher, serial counter circuit, relay drive circuit, positive and negative ion generator, timing ratio settlement switch group and first potentiometre, switch is connected with triode drive circuit's input, static eliminator and dust catcher all are connected with triode drive circuit's output, serial counter circuit's input and switch are connected, serial counter circuit's output is connected with relay drive circuit's input, relay drive circuit's output is connected with positive and negative ion generator, timing ratio settlement switch group and first potentiometre all are connected with serial counter circuit's input, power supply circuit unit is switch, the, The device comprises a triode drive circuit, a static electricity eliminator, a dust collector, a serial counter circuit, a relay drive circuit, a positive and negative ion generator, a timing ratio setting switch group and a first potentiometer.

Optionally, the relay driver circuit further comprises a first indicator light, the first indicator light is connected with an input end of the relay driver circuit, and the power circuit unit supplies power to the first indicator light.

Optionally, the triode drive circuit comprises a triode Q4-Q5, a relay RL2, a light touch switch SW1-SW2, a resistor R6, a capacitor C3 and an electrolytic capacitor EC3, wherein the collector of the triode Q4 is connected with +5V, the base of the triode Q4 is connected with the collector of the triode Q5, the emitter of the triode Q4 is connected with the base of the triode Q5, the emitter of the triode Q5 is grounded, the collector of the triode Q5 is connected with the relay RL2 and the resistor R2 in series, the other end of the resistor R2 is connected with +5V, the COM of the relay RL2 is connected with +24V, the light touch switch SW2 is connected with the light touch switch SW2 in series, the other end of the light touch switch SW2 is connected with +5V, the other end of the light touch switch SW2 is grounded, the emitter of the triode Q2 is connected with the intermediate point of the light touch switch SW2 and the series of the electrolytic capacitor EC2, the other end of the capacitor C3 and the electrolytic capacitor EC3 is + 5V.

Optionally, the serial counter circuit comprises a CD4060, switches S1-S4, diodes D2-D5, resistors R1-R3, capacitors C1-C2, electrolytic capacitors EC1-EC2 and a potentiometer VR1, wherein the pin 8 of the CD4060 is grounded, the pin 16 of the CD4060 is connected to +9V, the pin 16 of the CD4060 is respectively connected in series with a capacitor C1 and an electrolytic capacitor EC2, the other ends of the capacitor C2 and the electrolytic capacitor EC2 are grounded, the pin 9 series capacitor C2 of the CD4060 is grounded, the pin 10 series potentiometer VR 2 of the CD4060, the other end of the potentiometer VR 2 and the input end thereof are grounded, the pin 11 of the CD4060 is connected in series with a resistor R2, the pin 1 of the CD4060 is connected in series with a diode D2 and a switch S2, the pin 2 of the CD4060 is connected in series with a diode D2 and a switch S4072, the pin 2 of the CD4060 is connected in series with a switch EC2, the switch EC2 and the pin CD 4072 is connected in series with a resistor C2 and a switch S2, the switch C2 and a switch S2 and a switch C2 are connected, the other ends of the switch S1 and the switch S2 are both connected with the other end of the resistor R1, and the 12-pin series resistor R2 of the CD4060 is grounded.

Optionally, the relay driving circuit comprises triodes Q2-Q3, a thyristor Q1, resistors R4-R5, a light emitting diode VD1, a diode D1, a diode D6 and a relay RL1, the other ends of the switch S3 and the switch S4 are connected with a resistor R7, the other end of the resistor R7 is connected with the base of a triode Q2, the collector of the triode Q2 is grounded, the emitter of the triode Q2 is connected with the cathode of a thyristor Q1, the control electrode of the thyristor Q1 is connected with a diode D6 in series, the other end of the diode D6 is connected with a resistor R1, the anode of the thyristor Q1 is connected with a diode D1, a relay RL1 and a resistor R4 in series, the other ends of the relay RL1 and a diode D1 are connected with the anode of a diode D6, the terminal of the relay RL1 is connected with +24V, and the other end of the resistor COM 3 is connected with the base of the triode Q4, the emitting electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is connected with a resistor R5 and a light-emitting diode VD1 in series, and the anode electrode of the light-emitting diode VD1 is connected with + 9V.

The utility model has the advantages of it is following:

1. bacteria in the air can be killed through the positive and negative ion generators, and bacterial infection is avoided.

2. People can conveniently judge the state of the positive and negative ion generator through the first indicator light.

Drawings

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

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

Reference numerals: 1_ power supply circuit unit, 2_ power supply switch, 3_ triode drive circuit, 4_ static eliminator, 5_ dust collector, 6_ serial counter circuit, 7_ relay drive circuit, 8_ positive and negative ion generator, 9_ timing ratio setting switch group, 10_ first potentiometer and 11_ first indicator light.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

Example 1

A medical air purification dust collector control circuit, as shown in figure 1, comprises a power circuit unit 1, a power switch 2, a triode drive circuit 3, an electrostatic eliminator 4, a dust collector 5, a serial counter circuit 6, a relay drive circuit 7, a positive and negative ion generator 8, a timing ratio setting switch group 9 and a first potentiometer 10, wherein the power switch 2 is connected with the input end of the triode drive circuit 3, the electrostatic eliminator 4 and the dust collector 5 are both connected with the output end of the triode drive circuit 3, the input end of the serial counter circuit 6 is connected with the power switch 2, the output end of the serial counter circuit 6 is connected with the input end of the relay drive circuit 7, the output end of the relay drive circuit 7 is connected with the positive and negative ion generator 8, the timing ratio setting switch group 9 and the first potentiometer 10 are both connected with the input end of the serial counter circuit 6, the power circuit unit 1 supplies power to a power switch 2, a triode drive circuit 3, a static eliminator 4, a dust collector 5, a serial counter circuit 6, a relay drive circuit 7, a positive and negative ion generator 8, a timing ratio setting switch group 9 and a first potentiometer 10.

After the control circuit of the air purification and dust collection device for medical use is powered on, people press the power switch 2, the triode driving circuit 3 controls the static eliminator 4 and the dust collector 5 to work, the static eliminator 4 can eliminate static electricity in air, the dust collector 5 collects dust, then people set the working time proportion of the positive and negative ion generator 8 through the timing ratio setting switch group 9, and the four proportions are 3:1 (working for 1 hour every 3 hours), 7:1 (working for 1 hour every 7 hours), and 5: 3 (3 hours per 5 hours) and 6: 2 (working for 2 hours every 6 hours), after the setting is finished, the serial counter circuit 6 starts timing, and after the time is up, the relay driving circuit 7 controls the positive and negative ion generator 8 to work to kill bacteria in the air and avoid bacterial infection, if the serial counter circuit 6 does not start vibration, the relay driving circuit can be adjusted by the first potentiometer 10, and the working time of the positive and negative ion generator 8 reaches the set working time, and the positive and negative ion generator 8 stops working. The power switch 2 is pressed again, and the triode drive circuit 3 controls the static eliminator 4 and the dust collector 5 to stop working.

Example 2

On the basis of embodiment 1, as shown in fig. 1, the relay driver further includes a first indicator light 11, the first indicator light 11 is connected to an input terminal of the relay driver 7, and the power supply circuit unit 1 supplies power to the first indicator light 11.

When positive and negative ion generator 8 during operation, first pilot lamp 11 lights, when positive and negative ion generator 8 stop work, first pilot lamp 11 goes out, makes things convenient for people to judge the state of positive and negative ion generator 8.

Example 3

A control circuit of an air purification and dust collection device for medical treatment is disclosed, as shown in figure 2, the triode driving circuit 3 comprises a triode Q4-Q5, a relay RL2, a light touch switch SW1-SW2, a resistor R6, a capacitor C3 and an electrolytic capacitor EC3, the collector of the triode Q4 is connected with +5V, the base of the triode Q4 is connected with the collector of a triode Q5, the emitter of the triode Q4 is connected with the base of the triode Q5, the emitter of the triode Q5 is grounded, the collector of the triode Q5 is connected with the relay RL2 and the resistor R6 in series, the other end of the resistor R6 is connected with +5V, the COM end of the relay RL2 is connected with +24V, the light touch switch SW1 is connected with the light touch switch SW2 in series, the other end of the light touch switch SW1 is connected with +5V, the other end of the light touch switch 2 is grounded, the emitter of the triode Q4 is connected with the light touch switch SW1 and the intermediate point SW2 in, one end of the capacitor C3 and the electrolytic capacitor EC3 is grounded, and the other end of the capacitor C3 and the electrolytic capacitor EC3 is connected with + 5V.

The serial counter circuit 6 comprises a CD4060, switches S1-S4, diodes D2-D5, resistors R1-R3, capacitors C1-C2, electrolytic capacitors EC1-EC2 and a potentiometer VR1, wherein the pin 8 of the CD4060 is grounded, the pin 16 of the CD4060 is connected with +9V, the pin 16 of the CD4060 is respectively connected with a capacitor C1 and an electrolytic capacitor EC2 in series, the other ends of the capacitor C2 and the electrolytic capacitor EC2 are grounded, the pin 9 series capacitor C2 of the CD4060 is grounded, the pin 10 series potentiometer VR 2 of the CD4060, the other end of the potentiometer VR 2 and the input end of the potentiometer are grounded, the pin 11 series resistor R2 of the CD4060 is connected with the ground, the pin 1 of the CD4060 is connected with a diode D2 and a switch S2 in series, the pin 2D 4072 of the CD4060 is connected with a diode D2 and a switch S2 in series, the pin 2D 2 of the CD4060 is connected with a switch VR 2 in series, the switch EC 72 and the pin C2 and the switch S2 is connected with a switch S2 in series, the switch S2 and, the other ends of the switch S1 and the switch S2 are both connected with the other end of the resistor R1, and the 12-pin series resistor R2 of the CD4060 is grounded.

The relay driving circuit 7 comprises triodes Q2-Q3, a thyristor Q1, resistors R4-R4, a light emitting diode VD 4, a diode D4 and a relay RL 4, the other ends of the switch S4 and the switch S4 are connected with the resistor R4, the other end of the resistor R4 is connected with the base of the triode Q4, the collector of the triode Q4 is grounded, the emitter of the triode Q4 is connected with the cathode of the thyristor Q4, the control electrode of the thyristor Q4 is connected with the diode D4 in series, the other end of the diode D4 is connected with the resistor R4, the anode of the thyristor Q4 is respectively connected with the diode D4, the other ends of the relay RL 4 and the diode D4 are connected with the anode of the diode D4, the terminal RL 4 is connected with +24V, the other end of the resistor R4 is connected with the base of the triode Q4, the emitter of the transistor COM 4 is grounded, the collector of the triode Q3 is connected with a resistor R5 and a light-emitting diode VD1 in series, and the anode of the light-emitting diode VD1 is connected with + 9V.

After the control circuit of the air purification and dust collection device for medical use is powered on, people press a soft touch switch SW1, a triode Q4 is conducted, a relay RL2 is attracted, the static electricity eliminator 4 and the dust collector 5 start to work, the static electricity eliminator 4 can eliminate static electricity in the air, the dust collector 5 collects dust, then people set the working time proportion of the positive and negative ion generator 8 through a switch S1, a switch S2, a switch S3 and a switch S4, the switch S2 and the switch S4 are closed, the switch S1 and the switch S3 are opened, the positive and negative ion generator 8 works for 1 hour every 3 hours, the switch S1, the switch S2 and the switch S4 are closed, the switch S3 is opened, the positive and negative ion generator 8 works for 1 hour every 7 hours, the switch S1, the switch S3 and the switch S4 are closed, the switch S2 is opened, the positive and negative ion generator 8 works for 3 hours every 5 hours, the switch S1 and the switch S3, when the switch S2 and the switch S4 are disconnected, the positive and negative ion generator 8 works for 2 hours every 6 hours, after the setting is finished, the CD4060 starts to time, after the time is up, the controlled silicon Q1, the triode Q2 and the triode Q3 are connected, the relay RL1 is attracted, the light-emitting diode VD1 lights up, the positive and negative ion generator 8 starts to work, bacteria in the air are killed, bacterial infection is avoided, if the CD4060 does not start to vibrate, the vibration can be adjusted through the potentiometer VR1, when the working time of the positive and negative ion generator 8 reaches the set working time, the controlled silicon Q1, the triode Q2 and the triode Q3 are cut off, the relay RL1 is disconnected, the light-emitting diode VD1 is extinguished, and the positive and negative ion generator 8 stops working. When dust collection is not needed, people press the light touch switch SW2, the triode Q4 is cut off, the relay RL2 is disconnected, and the static electricity eliminator 4 and the dust collector 5 stop working.

The CD4060 is composed of an oscillator and a 14-bit binary serial counter bit, the oscillator can be an RC or a crystal oscillator circuit, and when CR is at a high level, the counter is cleared and the oscillator is not used. All counter bits are master-slave flip-flops. The falling edge counter at CP1 (and CP0) counts in binary. The use of a schmitt trigger on the clock pulse line limits the clock rise and fall times.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A control circuit of an air purification and dust collection device for medical treatment is characterized by comprising a power supply circuit unit (1), a power switch (2), a triode drive circuit (3), a static eliminator (4), a dust collector (5), a serial counter circuit (6), a relay drive circuit (7), a positive and negative ion generator (8), a timing ratio setting switch group (9) and a first potentiometer (10), wherein the power supply switch (2) is connected with the input end of the triode drive circuit (3), the static eliminator (4) and the dust collector (5) are both connected with the output end of the triode drive circuit (3), the input end of the serial counter circuit (6) is connected with the power switch (2), the output end of the serial counter circuit (6) is connected with the input end of the relay drive circuit (7), the output end of the relay drive circuit (7) is connected with the positive and negative ion generator (8), the timing ratio setting switch group (9) and the first potentiometer (10) are connected with the input end of the serial counter circuit (6), and the power circuit unit (1) supplies power for the power switch (2), the triode driving circuit (3), the static eliminator (4), the dust collector (5), the serial counter circuit (6), the relay driving circuit (7), the positive and negative ion generator (8), the timing ratio setting switch group (9) and the first potentiometer (10).

2. The control circuit of the air purification and dust collection device for medical use according to claim 1, further comprising a first indicator light (11), wherein the first indicator light (11) is connected with an input end of the relay drive circuit (7), and the power circuit unit (1) supplies power to the first indicator light (11).

3. The control circuit of claim 2, wherein the transistor driving circuit (3) comprises transistors Q4-Q5, a relay RL2, tact switches SW1-SW2, a resistor R6, a capacitor C3 and an electrolytic capacitor EC3, the collector of the transistor Q4 is connected with +5V, the base of the transistor Q4 is connected with the collector of the transistor Q5, the emitter of the transistor Q4 is connected with the base of the transistor Q5, the emitter of the transistor Q5 is grounded, the collector of the transistor Q5 is connected with the relay RL2 and the resistor R6 in series, the other end of the resistor R6 is connected with +5V, the COM end of the relay RL2 is connected with +24V, the tact switch SW1 is connected with the tact switch SW2 in series, the other end of the tact switch 1 is connected with the ground, the emitter of the transistor Q1 is connected with the tact switch SW1 and the intermediate point of the tact switch SW1 in series, one end of the capacitor C3 and the electrolytic capacitor EC3 is grounded, and the other end of the capacitor C3 and the electrolytic capacitor EC3 is connected with + 5V.

4. The medical air cleaning and dust collecting device control circuit as claimed in claim 3, wherein the serial counter circuit (6) comprises a CD4060, switches S1-S4, diodes D2-D5, resistors R1-R3, capacitors C1-C2, electrolytic capacitors EC1-EC2 and a potentiometer VR1, the 8-pin of the CD4060 is grounded, the 16-pin of the CD4060 is connected with +9V, the 16-pin of the CD4060 is respectively connected with a capacitor C1 and an electrolytic capacitor EC2 in series, the other ends of the capacitor C1 and the electrolytic capacitor EC2 are grounded, the 9-pin of the CD4060 is connected with a capacitor C2 grounded, the 10-pin of the CD4060 is connected with a potentiometer VR 9 in series, the other end of the potentiometer VR1 and the input end thereof are grounded, the pin of the CD4060 is connected with a resistor R3 in series, the 1-pin of the CD4060 is connected with a diode D5 and the switch 4027, the switch VR 6862 and the switch VR 8672 are connected with a diode S8672 and a diode 368672 in series, the 3-pin series connection diode D2 and the switch S1 of the CD4060, the 12-pin series connection electrolytic capacitor EC1 and the resistor R1 of the CD4060, the other ends of the switch S1 and the switch S2 are both connected with the other end of the resistor R1, and the 12-pin series connection resistor R2 of the CD4060 is grounded.

5. The control circuit of air cleaning and dust collecting device for medical use according to claim 4, wherein said relay driving circuit (7) comprises a transistor Q2-Q3, a thyristor Q1, resistors R4-R5, a light emitting diode VD1, a diode D1, a diode D6 and a relay RL1, the other ends of said switch S3 and switch S4 are connected with a resistor R7, the other end of said resistor R7 is connected with the base of a transistor Q2, the collector of said transistor Q2 is grounded, the emitter of said transistor Q2 is connected with the cathode of a thyristor Q1, the control electrode of said thyristor Q1 is connected with a diode D6 in series, the other end of said diode D6 is connected with a resistor R1, the anode of said transistor Q1 is connected with a diode D1, a relay RL1 and a resistor R4 in series, the other ends of said relay 1 and diode D1 are connected with the anode of a diode D6, the relay COM 1 + COM +24V 1, the other end of the resistor R4 is connected with the base electrode of a triode Q3, the emitter electrode of the triode Q3 is grounded, the collector electrode of the triode Q3 is connected with a resistor R5 and a light-emitting diode VD1 in series, and the anode of the light-emitting diode VD1 is connected with + 9V.