CN215867552U

CN215867552U - Medical treatment is with wash platform control circuit who sprays antiseptic solution

Info

Publication number: CN215867552U
Application number: CN202122095218.8U
Authority: CN
Inventors: 罗淼纯
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-01
Filing date: 2021-09-01
Publication date: 2022-02-18
Anticipated expiration: 2031-09-01

Abstract

The utility model relates to the field of medical instruments, in particular to a medical washbasin control circuit for spraying disinfectant. The utility model aims to provide a medical sterilizing liquid spraying washbasin control circuit which can save labor. The technical scheme is as follows: a medical hand washing table control circuit for spraying disinfectant comprises a power supply unit, a second potentiometer, a third potentiometer, a first astable multivibrator circuit and the like; the second potentiometer and the third potentiometer are both connected to an input of the first astable multivibrator circuit. The first astable multivibrator circuit can control the working time of the first motor, people only need to be electrified, labor is saved, and the second motor can spray the hand sanitizer, so that the hands of people can be cleaned more cleanly.

Description

Medical treatment is with wash platform control circuit who sprays antiseptic solution

Technical Field

The utility model relates to the field of medical instruments, in particular to a medical washbasin control circuit for spraying disinfectant.

Background

In the medical industry, a patient is required to be operated frequently, after the operation is finished, the patient is cleaned on a wash basin generally, and the wash basin may be infected with bacteria, so that the wash basin is required to be sterilized frequently, at present, people generally pour a disinfectant on the wash basin manually to sterilize the wash basin, but a large number of wash basins are generally arranged in a hospital, so that a large amount of manpower is required to sterilize the wash basin.

Aiming at the problems existing at present, a medical sterilizing liquid spraying washbasin control circuit capable of saving labor is designed.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defect that a plurality of hand washing stations are commonly arranged in hospitals and a large amount of manpower is consumed to disinfect the hand washing stations, the utility model aims to provide a hand washing station control circuit capable of saving manpower and used for medical disinfection solution spraying.

The technical scheme is as follows: a medical wash basin control circuit for spraying disinfectant comprises a power supply unit, a second potentiometer, a third potentiometer, a first astable multivibrator circuit, a manual switch, a first relay circuit and a first motor, wherein the second potentiometer and the third potentiometer are connected with the input end of the first astable multivibrator circuit, the output end of the first astable multivibrator circuit is connected with the input end of the first relay circuit, the output end of the first relay circuit is connected with the first motor, the manual switch is connected with the input end of the first relay circuit, and the power supply unit supplies power to the second potentiometer, the third potentiometer, the first astable multivibrator circuit, the manual switch, the first relay circuit and the first motor.

As an improvement of the scheme, the infrared receiving device further comprises a duty ratio adjusting circuit, a first potentiometer, a second astable multivibrator circuit, a triode control circuit, an infrared emitting diode, an infrared receiving tube, an infrared receiving circuit, a first amplifier circuit, a second amplifier circuit, a rectifying and filtering circuit, a relay driving circuit and a second motor, wherein the input end of the duty ratio adjusting circuit is connected with the first potentiometer, the output end of the duty ratio adjusting circuit is connected with the input end of the second astable multivibrator circuit, the output end of the second astable multivibrator circuit is connected with the input end of the triode control circuit, the output end of the triode control circuit is connected with the infrared emitting diode, the infrared emitting diode is connected with the infrared receiving tube through a wireless signal, and the infrared receiving tube is connected with the input end of the infrared receiving circuit, the output of infrared receiving circuit and the input of first amplifier circuit are connected, the output of first amplifier circuit and the input of second amplifier circuit are connected, the output of second amplifier circuit and rectification filter circuit's input are connected, rectification filter circuit's output and relay drive circuit's input are connected, relay drive circuit's output and second motor are connected, power supply unit is duty ratio regulating circuit, first potentiometre, the astable multivibrator circuit of second, triode control circuit, infrared emission diode, infrared receiver tube, infrared receiving circuit, first amplifier circuit, second amplifier circuit, rectification filter circuit, relay drive circuit and second motor power supply.

As an improvement of the scheme, the first astable multivibrator circuit comprises a time base integrated circuit NE555-U1, a resistor R1, a resistor R3, a switch S1, an electrolytic capacitor EC1, a capacitor C1 and a capacitor C2, wherein the resistor R1 is connected in series with a resistor R3 and an electrolytic capacitor EC1, the other end of the electrolytic capacitor EC1 is grounded, a pin 7 of the time base integrated circuit NE555-U1 is connected with a series middle point of the resistor R1 and the resistor R3, a pin 2 of the time base integrated circuit NE555-U1 is connected with a series middle point of the resistor R3 and the electrolytic capacitor EC1, a pin 1 of the time base integrated circuit NE555-U1 is grounded, a pin 2 of the time base integrated circuit NE555-U1 is connected with a pin 6 thereof, a pin 4 of the time base integrated circuit NE555-U1 is connected with a pin 8 thereof, a pin 5 of the time base integrated circuit NE555-U1 is connected in series with a capacitor C1, a pin 5 of the time base integrated circuit NE 555-U8653 is connected with a switch S8653 and a switch S8653, the other end of the switch S1 is connected with +12V, and the 3 feet of the time base integrated circuit NE555-U1 is connected with the 8 feet thereof in parallel with a capacitor C2.

As an improvement of the above scheme, the first relay circuit comprises a diode D1, a diode D2, a resistor R2, a light emitting diode VD1, a relay RL1, a switch S2 and a motor MG1, the 3-pin series diode D2 and the switch S2 of the time base integrated circuit NE555-U1, the other end of the switch S2 is grounded, the 8 pin of the time base integrated circuit NE555-U1 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with the series middle point of the diode D2 and the switch S2, the two ends of the diode D1 are connected with the light emitting diode VD1 and the resistor R2 in parallel, the 8 pin of the time base integrated circuit NE555-U1 is connected with one end of a relay RL1 coil, the other end of the RL1 coil is connected with the series middle point of the diode D2 and the switch S2, the COM +12V of the relay RL1 is connected, and the NO end of the relay RL1 is connected with one end of the motor MG1, the other end of the motor MG1 is grounded.

As a modification of the above solution, the second potentiometer is a potentiometer VR1, and the 8 pins of the time base integrated circuit NE555-U1 are connected with one end of the potentiometer VR 1.

As a modification of the above scheme, the third potentiometer is a potentiometer VR2, the other end and the adjustable end of the potentiometer VR1 are both connected with one end of a potentiometer VR2, and the other end and the adjustable end of the potentiometer VR2 are both connected with the other end of a resistor R1.

As an improvement of the scheme, the second astable multivibrator circuit comprises a time base integrated circuit NE555-U2, a capacitor C5, an electrolytic capacitor EC2, a resistor R10, a triode Q2, an infrared receiving tube RV1 and a potentiometer VR4, the 1-pin base of the time base integrated circuit NE555-U2, the 4 pins and the 8 pins of the time base integrated circuit NE555-U2 are connected with +9V, the 5-pin series capacitor C5 of the time base integrated circuit NE555-U2 is grounded, one end of the electrolytic capacitor EC2 is grounded, the other end of the electrolytic capacitor EC2 is connected with +9V, the 3-pin series resistor R10 of the time base integrated circuit NE555-U2 and the base electrode of the triode Q2, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with an infrared receiving tube RV1 and a potentiometer VR4 in series, the other end and the adjustable end of the potentiometer VR4 are both connected with +9V, and the 2 pins of the time base integrated circuit NE555-U2 are connected with the 6 pins thereof.

As an improvement of the scheme, the first potentiometer comprises an electrolytic capacitor EC5, a resistor R8 and a potentiometer VR3, the electrolytic capacitor EC5 is connected in series with the resistor R8 and the potentiometer VR3, the other end of the electrolytic capacitor EC5 is grounded, the other end of the potentiometer VR3 and an adjustable end of the potentiometer are both connected with +9V, and a pin 2 of the time-base integrated circuit NE555-U2 is connected with a series connection middle point of the electrolytic capacitor EC5 and the resistor R8.

As an improvement of the above scheme, the infrared receiving circuit includes a transistor Q1, a transistor Q3, an electrolytic capacitor EC3, an infrared receiving tube RV1, a resistor R1, a capacitor C1 and a capacitor C1, an emitter of the transistor Q1 is connected in series with the resistor R1 and the electrolytic capacitor EC1, the other end of the electrolytic capacitor EC1 is grounded, the resistor R1 and the infrared receiving tube RV1 are connected in series, the other end of the resistor R1 is connected to a series intermediate point of the resistor R1 and the electrolytic capacitor EC1, an anode of the infrared receiving tube RV1 is grounded, a base of the transistor Q1 is connected in series with the capacitor C1, the resistor R1 and the capacitor C1, the other end of the capacitor C1 is connected to a series intermediate point of the resistor R1 and the infrared receiving tube RV1, a collector of the transistor Q1 is grounded, and a collector of the transistor Q1 is connected to one end of the transistor R1, the other end of the resistor R9 is connected with the base of a triode Q1, the emitter of the triode Q3 is grounded, the base of the triode Q3 is connected with the middle point of the series connection of the resistor R7 and the capacitor C3, the collector of the triode Q3 is connected with the middle point of the series connection of the capacitor C3 and the resistor R7, the collector of the triode Q3 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected with the middle point of the series connection of the resistor R4 and the electrolytic capacitor EC 3.

As an improvement of the above scheme, the relay driving circuit comprises a triode Q4, an electrolytic capacitor EC4, an electrolytic capacitor EC6, a diode D3, a diode D4, a diode D5, a relay RL2 and a motor MG2, wherein an emitter of the triode Q4 is grounded, a base of the triode Q4 is connected in series with the diode D4 and the electrolytic capacitor EC4, the other end of the electrolytic capacitor EC4 is connected with a collector of the triode Q1, a base of the triode Q4 is connected in series with the electrolytic capacitor EC6 is grounded, an anode of the diode D5 is grounded, a cathode of the diode D5 is connected with a middle point of a series connection of the diode D4 and the electrolytic capacitor EC4, a collector of the triode Q4 is connected with an anode of the diode D3, a cathode of the diode D3 is connected with an emitter of the triode Q1, a collector of the triode Q4 is connected with one end of a coil of the relay RL2, and the other end of the coil of the relay 2 is connected with an emitter of the triode Q1, the COM end of the relay RL2 is connected with +12V, the NO end of the relay RL2 is connected with one end of the motor MG2, and the other end of the motor MG2 is grounded.

The utility model has the following advantages: the first astable multivibrator circuit can control the working time of the first motor, people only need to be electrified, labor is saved, and the second motor can spray the hand sanitizer, so that the hands of people can be cleaned more cleanly.

Drawings

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

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

Number designation in the figures: 1: power supply unit, 2: duty ratio adjusting circuit, 3: first potentiometer, 4: second astable multivibrator circuit, 5: triode control circuit, 6: infrared emitting diode, 7: infrared receiving tube, 8: infrared receiving circuit, 9: first amplifier circuit, 10: second amplifier circuit, 11: rectifying and filtering circuit, 12: relay drive circuit, 13: second motor, 14: second potentiometer, 15: third potentiometer, 16: first astable multivibrator circuit, 17: manual switch, 18: first relay circuit, 19: a first motor.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings. It is only noted that the utility model is intended to be limited to the specific forms set forth herein, including any reference to the drawings, as well as any other specific forms of embodiments of the utility model.

Example 1

A medical hand washing table control circuit for spraying disinfectant is shown in figure 1, and comprises a power supply unit 1, a second potentiometer 14, a third potentiometer 15, a first astable multivibrator circuit 16, a manual switch 17, a first relay circuit 18 and a first motor 19, the second potentiometer 14 and the third potentiometer 15 are both connected to an input of a first astable multivibrator circuit 16, the output of the first astable multivibrator circuit 16 is connected to the input of a first relay circuit 18, the output of the first relay circuit 18 is connected to the first motor 19, the manual switch 17 is connected to the input of the first relay circuit 18, the mains supply unit 1 supplies a second potentiometer 14, a third potentiometer 15, a first astable multivibrator circuit 16, a manual switch 17, a first relay circuit 18 and a first electric motor 19.

After a control circuit of a medical washing basin for spraying disinfectant is powered on, a first astable multivibrator circuit 16 controls a first relay circuit 18 to be conducted, a first motor 19 starts to work, the disinfectant is sprayed out by the first motor 19 and sprayed on the washing basin to disinfect the washing basin, the first astable multivibrator circuit 16 starts to time, after the time is up, the first relay circuit 18 is cut off, the first motor 19 is turned off, the timing time of the first astable multivibrator circuit 16 can be adjusted through a second potentiometer 14 and a third potentiometer 15, and if people need to enable the first motor 19 to be turned off in advance, people can press a manual switch 17.

Example 2

On the basis of embodiment 1, as shown in fig. 1, the infrared transmitter further includes a duty ratio adjusting circuit 2, a first potentiometer 3, a second astable multivibrator circuit 4, a triode control circuit 5, an infrared emitting diode 6, an infrared receiving tube 7, an infrared receiving circuit 8, a first amplifier circuit 9, a second amplifier circuit 10, a rectifying and filtering circuit 11, a relay driving circuit 12 and a second motor 13, wherein an input end of the duty ratio adjusting circuit 2 is connected to the first potentiometer 3, an output end of the duty ratio adjusting circuit 2 is connected to an input end of the second astable multivibrator circuit 4, an output end of the second astable multivibrator circuit 4 is connected to an input end of the triode control circuit 5, an output end of the triode control circuit 5 is connected to the infrared emitting diode 6, the infrared emitting diode 6 is connected to the infrared receiving tube 7 through a wireless signal, the infrared receiving tube 7 is connected with the input end of the infrared receiving circuit 8, the output end of the infrared receiving circuit 8 is connected with the input end of the first amplifier circuit 9, the output end of the first amplifier circuit 9 is connected with the input end of the second amplifier circuit 10, the output end of the second amplifier circuit 10 is connected with the input end of the rectification filter circuit 11, the output end of the rectification filter circuit 11 is connected with the input end of the relay drive circuit 12, the output end of the relay drive circuit 12 is connected with the second motor 13, the power supply unit 1 is a duty ratio adjusting circuit 2, a first potentiometer 3, a second astable multivibrator circuit 4, a triode control circuit 5, an infrared emitting diode 6, an infrared receiving tube 7, an infrared receiving circuit 8, a first amplifier circuit 9, a second amplifier circuit 10, a rectification filter circuit 11, The relay drive circuit 12 and the second motor 13 are powered.

After a medical washing basin control circuit for spraying disinfectant is powered on, the second astable multivibrator circuit 4 outputs an oscillation signal, the oscillation frequency output by the second astable multivibrator circuit 4 can be adjusted through the duty ratio adjusting circuit 2 and the first potentiometer 3, the triode control circuit 5 controls the infrared emitting diode 6 to work, the infrared emitting diode 6 emits infrared rays, the infrared rays irradiate on the infrared receiving tube 7, when the infrared rays are blocked by hands of people, the infrared receiving circuit 8 outputs a current signal, the first amplifier circuit 9 and the second amplifier circuit 10 amplify the current signal, the rectifying and filtering circuit 11 rectifies and filters the current signal, the relay drive circuit 12 controls the second motor 13 to work, the second motor 13 sprays the liquid soap out, so that the hands of people can be cleaned more cleanly, when the hands of people are taken away, the infrared ray is irradiated on the infrared receiving tube 7 again, the output of the infrared receiving circuit 8 is stopped, and the second motor 13 is turned off.

Example 3

A medical hand washing table control circuit for spraying disinfectant, as shown in figure 2, the first astable multivibrator circuit 16 comprises a time base integrated circuit NE555-U1, a resistor R1, a resistor R3, a switch S1, an electrolytic capacitor EC1, a capacitor C1 and a capacitor C2, the resistor R1 is connected in series with the resistor R3 and the electrolytic capacitor EC1, the other end of the electrolytic capacitor EC1 is grounded, the 7 feet of the time base integrated circuit NE555-U1 are connected with the series middle point of the resistor R1 and the resistor R3, the 2 feet of the time base integrated circuit NE555-U1 are connected with the series middle point of the resistor R3 and the electrolytic capacitor EC1, the 1 foot of the time base integrated circuit NE555-U1 is grounded, the 2 feet of the time base integrated circuit NE555-U1 are connected with the 6 feet thereof, the 4 feet of the time base integrated circuit NE555-U1 are connected with the 8 feet thereof, the pin of the time base integrated circuit NE555-U1 is connected in series with the capacitor C1, the 4 pins of the time base integrated circuit NE555-U1 are connected with one end of a switch S1, the other end of the switch S1 is connected with +12V, and the 3 pins of the time base integrated circuit NE555-U1 are connected with the 8 pins of the time base integrated circuit NE555-U1 in parallel with a capacitor C2.

The first relay circuit 18 includes a diode D1, a diode D2, a resistor R2, a light emitting diode VD1, a relay RL1, a switch S2, and a motor MG1, the 3-pin series diode D2 and the switch S2 of the time base integrated circuit NE555-U1, the other end of the switch S2 is grounded, the pin 8 of the time base integrated circuit NE555-U1 is connected with the cathode of the diode D1, the anode of the diode D1 is connected with the series middle point of the diode D2 and the switch S2, the two ends of the diode D1 are connected with the light-emitting diode VD1 and the resistor R2 in parallel, the pin 8 of the time base integrated circuit NE555-U1 is connected with one end of a coil of a relay RL1, the other end of the coil of the relay RL1 is connected with the series intermediate point of the diode D2 and the switch S2, the COM end of the relay RL1 is connected with +12V, the NO end of the relay RL1 is connected with one end of the motor MG1, and the other end of the motor MG1 is grounded.

The second potentiometer 14 is a potentiometer VR1, and the pin 8 of the time base integrated circuit NE555-U1 is connected with one end of the potentiometer VR 1.

The third potentiometer 15 is a potentiometer VR2, the other end and the adjustable end of the potentiometer VR1 are both connected with one end of a potentiometer VR2, and the other end and the adjustable end of the potentiometer VR2 are both connected with the other end of a resistor R1.

The second astable multivibrator circuit 4 comprises a time base integrated circuit NE555-U2, a capacitor C5, an electrolytic capacitor EC2, a resistor R10, a triode Q2, an infrared receiving tube RV1 and a potentiometer VR4, the 1-pin base of the time base integrated circuit NE555-U2, the 4 pins and the 8 pins of the time base integrated circuit NE555-U2 are connected with +9V, the 5-pin series capacitor C5 of the time base integrated circuit NE555-U2 is grounded, one end of the electrolytic capacitor EC2 is grounded, the other end of the electrolytic capacitor EC2 is connected with +9V, the 3-pin series resistor R10 of the time base integrated circuit NE555-U2 and the base electrode of the triode Q2, the emitter of the triode Q2 is grounded, the collector of the triode Q2 is connected with an infrared receiving tube RV1 and a potentiometer VR4 in series, the other end and the adjustable end of the potentiometer VR4 are both connected with +9V, and the 2 pins of the time base integrated circuit NE555-U2 are connected with the 6 pins thereof.

The first potentiometer 3 comprises an electrolytic capacitor EC5, a resistor R8 and a potentiometer VR3, the electrolytic capacitor EC5 is connected with the resistor R8 and the potentiometer VR3 in series, the other end of the electrolytic capacitor EC5 is grounded, the other end of the potentiometer VR3 and an adjustable end of the potentiometer are both connected with +9V, and a pin 2 of the time-base integrated circuit NE555-U2 is connected with a series middle point of the electrolytic capacitor EC5 and the resistor R8.

The infrared receiving circuit 8 comprises a triode Q, an electrolytic capacitor EC, an infrared receiving tube 7RV, a resistor R, a capacitor C and a capacitor C, an emitting electrode of the triode Q is connected with the resistor R and the electrolytic capacitor EC in series, the other end of the electrolytic capacitor EC is grounded, the resistor R is connected with the infrared receiving tube 7RV in series, the other end of the resistor R is connected with the middle point of the resistor R and the electrolytic capacitor EC in series, the anode of the infrared receiving tube 7RV is grounded, the base electrode of the triode Q is connected with the capacitor C, the resistor R and the capacitor C in series, the other end of the capacitor C is connected with the middle point of the resistor R and the infrared receiving tube 7RV in series, the collector electrode series resistor R of the triode Q is grounded, the collector electrode of the triode Q is connected with one end of the resistor R, the other end of the resistor R is connected with the base electrode of the triode Q, the emitter of the triode Q3 is grounded, the base of the triode Q3 is connected with the middle point of the series connection of the resistor R7 and the capacitor C3, the collector of the triode Q3 is connected with the middle point of the series connection of the capacitor C3 and the resistor R7, the collector of the triode Q3 is connected with one end of the resistor R6, and the other end of the resistor R6 is connected with the middle point of the series connection of the resistor R4 and the electrolytic capacitor EC 3.

The relay driving circuit 12 comprises a triode Q4, an electrolytic capacitor EC4, an electrolytic capacitor EC6, a diode D3, a diode D4, a diode D5, a relay RL2 and an electric motor MG2, wherein an emitter of the triode Q4 is grounded, a base of the triode Q4 is connected in series with the diode D4 and the electrolytic capacitor EC4, the other end of the electrolytic capacitor EC4 is connected with a collector of a triode Q1, a base of the triode Q4 is connected in series with the electrolytic capacitor EC6 and is grounded, an anode of the diode D6 is grounded, a cathode of the diode D6 is connected with a series middle point of the diode D6 and the electrolytic capacitor EC6, a collector of the triode Q6 is connected with an anode of the diode D6, a cathode of the diode D6 is connected with an emitter of the triode Q6, a collector of the triode Q6 is connected with one end of a coil of the relay RL 6, and the other end of the coil of the relay RL 6 is connected with an emitter of the triode Q6, the COM end of the relay RL2 is connected with +12V, the NO end of the relay RL2 is connected with one end of the motor MG2, and the other end of the motor MG2 is grounded.

When a user presses a switch S1, a time base integrated circuit NE555-U1 outputs a high level, a light emitting diode VD1 is lightened, a relay RL1 is conducted, a motor MG1 starts to work, a motor MG1 sprays disinfectant to a wash basin to disinfect the wash basin, the time base integrated circuit NE555-U1 starts to time, after the time is up, the time base integrated circuit NE555-U1 outputs a low level, the light emitting diode VD1 is extinguished, the relay RL1 is cut off, the motor MG1 is closed, the motor MG1 can be closed in advance by pressing the switch S2, the duration time of the high level output by the time base integrated circuit NE-U1 can be adjusted by a potentiometer VR1 and a potentiometer VR2, the working duration time of the motor MG1 is adjusted, the time base integrated circuit NE555-U2 outputs an oscillation signal, the potentiometer VR3 can adjust the oscillation frequency output by the time base integrated circuit NE555-U2, and a triode Q2 is conducted, infrared ray is emitted by an infrared receiving tube RV1 and is irradiated on an infrared receiving tube 7RV1, when the infrared ray is blocked by the hands of people, the infrared receiving tube 7RV1 outputs current signals, a triode Q3 and a triode Q1 amplify the current signals, a diode D4 and a diode D5 rectify and filter the current signals, a triode Q4 is conducted, a relay RL2 is attracted, a motor MG2 starts to work, the motor MG2 sprays the hand sanitizer to clean the hands of people, when the hands of people are taken away, the infrared ray is irradiated on the infrared receiving tube 7RV1 again, the infrared receiving tube 7RV1 stops outputting, the triode Q4 is cut off, the relay RL2 is disconnected, and the motor MG2 is closed.

It should be understood that the above description is for exemplary purposes only and is not meant to limit the present invention. Those skilled in the art will appreciate that variations of the present invention are intended to be included within the scope of the claims herein.

Claims

1. A medical wash basin control circuit for spraying disinfectant is characterized by comprising a power supply unit (1), a second potentiometer (14), a third potentiometer (15), a first astable multivibrator circuit (16), a manual switch (17), a first relay circuit (18) and a first motor (19), wherein the second potentiometer (14) and the third potentiometer (15) are connected with the input end of the first astable multivibrator circuit (16), the output end of the first astable multivibrator circuit (16) is connected with the input end of the first relay circuit (18), the output end of the first relay circuit (18) is connected with the first motor (19), the manual switch (17) is connected with the input end of the first relay circuit (18), and the power supply unit (1) is the second potentiometer (14), The third potentiometer (15), the first astable multivibrator circuit (16), the manual switch (17), the first relay circuit (18) and the first electric motor (19) are powered.

2. The medical hand washing table control circuit for spraying disinfectant according to claim 1, further comprising a duty ratio adjusting circuit (2), a first potentiometer (3), a second astable multivibrator circuit (4), a triode control circuit (5), an infrared emitting diode (6), an infrared receiving tube (7), an infrared receiving circuit (8), a first amplifier circuit (9), a second amplifier circuit (10), a rectifying and filtering circuit (11), a relay driving circuit (12) and a second motor (13), wherein an input end of the duty ratio adjusting circuit (2) is connected with the first potentiometer (3), an output end of the duty ratio adjusting circuit (2) is connected with an input end of the second astable multivibrator circuit (4), an output end of the second astable multivibrator circuit (4) is connected with an input end of the triode control circuit (5), the output end of the triode control circuit (5) is connected with the infrared emitting diode (6), the infrared emitting diode (6) is connected with the infrared receiving tube (7) through wireless signals, the infrared receiving tube (7) is connected with the input end of the infrared receiving circuit (8), the output end of the infrared receiving circuit (8) is connected with the input end of the first amplifier circuit (9), the output end of the first amplifier circuit (9) is connected with the input end of the second amplifier circuit (10), the output end of the second amplifier circuit (10) is connected with the input end of the rectification filter circuit (11), the output end of the rectification filter circuit (11) is connected with the input end of the relay drive circuit (12), the output end of the relay drive circuit (12) is connected with the second motor (13), and the power supply unit (1) is a duty ratio adjusting circuit (2), The power supply device comprises a first potentiometer (3), a second astable multivibrator circuit (4), a triode control circuit (5), an infrared emitting diode (6), an infrared receiving tube (7), an infrared receiving circuit (8), a first amplifier circuit (9), a second amplifier circuit (10), a rectifying and filtering circuit (11), a relay drive circuit (12) and a second motor (13).

3. The hand washing table control circuit for spraying disinfectant liquid for medical treatment of claim 2, wherein said first astable multivibrator circuit (16) comprises a time base integrated circuit NE555-U1, a resistor R1, a resistor R3, a switch S1, an electrolytic capacitor EC1, a capacitor C1 and a capacitor C2, said resistor R1 is connected in series with a resistor R3 and an electrolytic capacitor EC1, the other end of said electrolytic capacitor EC1 is grounded, the 7 pin of said time base integrated circuit NE555-U1 is connected with the series intermediate point of the resistor R1 and the resistor R3, the 2 pin of said time base integrated circuit NE555-U1 is connected with the series intermediate point of the resistor R3 and the electrolytic capacitor EC1, the 1 pin of said time base integrated circuit NE555-U1 is grounded, the 2 pin of said time base integrated circuit NE555-U1 is connected with the 6 pin thereof, the 4 pin of said time base integrated circuit NE-U1 is connected with the 8 pin thereof, the 5-pin series capacitor C1 of the time base integrated circuit NE555-U1 is grounded, the 4 pins of the time base integrated circuit NE555-U1 are connected with one end of a switch S1, the other end of the switch S1 is connected with +12V, and the 3 pins of the time base integrated circuit NE555-U1 and the 8 pins of the time base integrated circuit are connected with a capacitor C2 in parallel.

4. The hand washing platform control circuit for spraying disinfectant liquid for medical treatment as claimed in claim 3, wherein said first relay circuit (18) includes diode D1, diode D2, resistor R2, light emitting diode VD1, relay RL1, switch S2 and motor MG1, 3 pin of said time base integrated circuit NE555-U1 is connected in series with diode D2 and switch S2, another end of said switch S2 is grounded, 8 pin of said time base integrated circuit NE555-U1 is connected with cathode of diode D1, anode of said diode D1 is connected with intermediate point of series connection of diode D2 and switch S2, two ends of said diode D1 are connected in parallel with light emitting diode 1 and resistor R2, 8 pin of said time base integrated circuit NE555-U1 is connected with one end of relay RL1 coil, another end of said relay RL1 coil is connected with intermediate point of series connection of diode D2 and switch S2, the COM end of the relay RL1 is connected with +12V, the NO end of the relay RL1 is connected with one end of the motor MG1, and the other end of the motor MG1 is grounded.

5. The circuit of claim 4, wherein the second potentiometer (14) is a potentiometer VR1, and the 8 pins of the time-base integrated circuit NE555-U1 are connected to one end of the potentiometer VR 1.

6. The medical hand washing station control circuit for spraying disinfectant as set forth in claim 5, wherein said third potentiometer (15) is a potentiometer VR2, the other end and the adjustable end of said potentiometer VR1 are connected to one end of a potentiometer VR2, and the other end and the adjustable end of said potentiometer VR2 are connected to the other end of a resistor R1.

7. The hand washing table control circuit for spraying disinfectant liquid for medical treatment of claim 6, wherein said second astable multivibrator circuit (4) comprises a time base integrated circuit NE555-U2, a capacitor C5, an electrolytic capacitor EC2, a resistor R10, a transistor Q2, an infrared receiving tube RV1 and a potentiometer VR4, wherein a 1-pin base of said time base integrated circuit NE555-U2, 4 pins and 8 pins of said time base integrated circuit NE555-U2 are respectively connected with +9V, a 5-pin series capacitor C5 of said time base integrated circuit NE555-U2 is grounded, one end of said electrolytic capacitor EC2 is grounded, the other end of said electrolytic capacitor EC2 is connected with +9V, a 3-pin series resistor R10 of said time base integrated circuit NE555-U2 and a base of a transistor Q2, an emitter of said transistor Q2 is grounded, a collector of said transistor Q2 is connected with an infrared receiving tube RV1 and a potentiometer VR4 in series, the other end and the adjustable end of the potentiometer VR4 are both connected with +9V, and the 2 pins of the time base integrated circuit NE555-U2 are connected with the 6 pins thereof.

8. The hand washing table control circuit for spraying disinfectant liquid for medical treatment of claim 7, wherein said first potentiometer (3) comprises an electrolytic capacitor EC5, a resistor R8 and a potentiometer VR3, said electrolytic capacitor EC5 is connected in series with a resistor R8 and a potentiometer VR3, the other end of said electrolytic capacitor EC5 is grounded, the other end of said potentiometer VR3 and its adjustable end are both connected to +9V, and pin 2 of said time-base integrated circuit NE555-U2 is connected to the middle point of the series connection of the electrolytic capacitor EC5 and the resistor R8.

9. The hand washing table control circuit for spraying disinfectant liquid for medical treatment according to claim 8, wherein said infrared receiving circuit (8) comprises a transistor Q1, a transistor Q3, an electrolytic capacitor EC2, an infrared receiving tube RV1, a resistor R4, a resistor R5, a resistor R7, a resistor R9, a resistor R11, a capacitor C3 and a capacitor C3, an emitter of said transistor Q3 is connected in series with the resistor R3 and the electrolytic capacitor EC3, the other end of said electrolytic capacitor EC3 is grounded, said resistor R3 and the infrared receiving tube RV 3 are connected in series, the other end of said resistor R3 is connected with the middle point of the series connection of the resistor R3 and the electrolytic capacitor EC3, the anode of said infrared receiving tube RV 3 is grounded, the base of said transistor Q3 is connected in series with the capacitor C3, the resistor R3 and the collector of the series connection of the transistor Q3 is connected with the middle point of the series connection of the resistor R3 and the infrared receiving tube RV 3, the collector of triode Q1 is connected with one end of resistance R9, the other end of resistance R9 is connected with triode Q1's base, triode Q3's emitter ground, triode Q3's base is connected with the series intermediate point of resistance R7 and electric capacity C3, triode Q3's collector is connected with the series intermediate point of electric capacity C3 and resistance R7, triode Q3's collector and resistance R6's one end are connected, resistance R6's the other end is connected with the series intermediate point of resistance R4 and electrolytic capacitor EC 3.

10. The hand washing platform control circuit for spraying disinfectant liquid for medical treatment according to claim 9, wherein said relay driving circuit (12) comprises a transistor Q4, an electrolytic capacitor EC4, an electrolytic capacitor EC6, a diode D3, a diode D4, a diode D5, a relay RL2 and a motor MG2, an emitter of said transistor Q4 is grounded, a base of said transistor Q4 is connected in series with a diode D4 and an electrolytic capacitor EC4, the other end of said electrolytic capacitor EC4 is connected to a collector of a transistor Q1, a base of said transistor Q4 is connected in series with an electrolytic capacitor EC6, an anode of said diode D5 is grounded, a cathode of said diode D5 is connected to a middle point of the series connection of said diode D4 and said electrolytic capacitor EC4, a collector of said transistor Q4 is connected to an anode of a diode D3, a cathode of said diode D3 is connected to an emitter of said transistor Q1, a collector of said transistor Q4 is connected to an end of a coil RL2, the other end of the coil of the relay RL2 is connected with an emitter of a triode Q1, the COM end of the relay RL2 is connected with +12V, the NO end of the relay RL2 is connected with one end of the motor MG2, and the other end of the motor MG2 is grounded.