CN221239200U

CN221239200U - Child protection medical bed control circuit for medical treatment

Info

Publication number: CN221239200U
Application number: CN202321895242.2U
Authority: CN
Inventors: 余华燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-07-19
Filing date: 2023-07-19
Publication date: 2024-06-28
Anticipated expiration: 2033-07-19

Abstract

The utility model relates to a control circuit, in particular to a control circuit of a medical child protection medical bed for medical treatment. The technical problems of the utility model are that: a medical child-resistant medical bed control circuit for medical use is provided which can realize a freely fixed guardrail, has illumination and has hypnotic effects. The technical implementation scheme of the utility model is as follows: the utility model provides a medical treatment is with children protection medical bed control circuit, includes power supply circuit, second button, second bistable switch circuit, second relay circuit and electro-magnet group, second button output and second bistable switch circuit input are connected, second bistable switch circuit output and second relay circuit input are connected, second relay electric output and electro-magnet group input are connected. Through the power indicator, be convenient for people judge whether the power indicator opens.

Description

Child protection medical bed control circuit for medical treatment

Technical Field

The utility model relates to a control circuit, in particular to a control circuit of a medical child protection medical bed for medical treatment.

Background

With the continuous development of medical level, the functions of the medical bed body are more diversified, wherein the medical child medical bed has become a necessary tool and a treatment tool for children in treatment and rehabilitation.

However, in the existing medical child medical bed, most bed guardrails are generally provided with guardrails with fixed heights, so that children are inconvenient to get on and off the bed, and when the children get off the bed at night, the electric lamp needs to be turned on for illumination, so that rest of other children can be influenced, and therefore, a medical child protection medical bed control circuit which can be used for freely fixing guardrails, has illumination and hypnotizing effects is developed.

Disclosure of utility model

In order to overcome the defects that the existing children medical bed is inconvenient for children to get on and off the bed and has no lighting function, the technical problem of the utility model is that: a medical child-resistant medical bed control circuit for medical use is provided which can realize a freely fixed guardrail, has illumination and has hypnotic effects.

The technical implementation scheme of the utility model is as follows: the utility model provides a medical treatment is with children protection medical bed control circuit, includes power supply circuit, second button, second bistable switch circuit, second relay circuit and electro-magnet group, second button output and second bistable switch circuit input are connected, second bistable switch circuit output and second relay circuit input are connected, second relay circuit output and electro-magnet group input are connected, power supply circuit is second button, second bistable switch circuit, second relay circuit and electro-magnet group power supply.

Further, the LED lighting module, the first relay circuit, the first bistable switch circuit and the first key are included, the first key output end is connected with the first bistable switch circuit input end, the first bistable switch circuit output end is connected with the first relay circuit input end, the first relay circuit output end is connected with the LED lighting module input end, and the power supply circuit supplies power for the LED lighting module, the first relay circuit, the first bistable switch circuit and the first key.

The power supply circuit comprises a power switch, a power indicator lamp, a zero clearing circuit, a first potentiometer, a pulse oscillator circuit, a decimal counter circuit, a first output circuit, an earphone interface circuit and a first indicator lamp, wherein the output end of the power switch is connected with the input end of the power indicator lamp, the output end of the power switch is connected with the input end of the zero clearing circuit, the output end of the first potentiometer is connected with the input end of the zero clearing circuit, the output end of the zero clearing circuit is connected with the input end of the pulse oscillator circuit, the output end of the pulse oscillator circuit is connected with the input end of the decimal counter circuit, the output end of the decimal counter circuit is connected with the input end of the first output circuit, the output end of the first output circuit is connected with the input end of the earphone interface circuit, and the power supply circuit is powered by the power switch, the power indicator lamp, the zero clearing circuit, the first potentiometer, the pulse oscillator circuit, the decimal counter circuit, the first output circuit, the earphone interface circuit and the first indicator lamp.

Further, the second bistable switch circuit comprises a second switch SW2, a resistor R11, a resistor R12, a resistor R13, a capacitor C9, a time base integrated circuit NE555-U5 and a capacitor C8, wherein pin 1 of the time base integrated circuit NE555-U5 is grounded, pin 2 of the time base integrated circuit NE555-U5 is connected with resistor R11 and resistor R12 in series, the other end of resistor R11 is connected with +12v, the other end of resistor R12 is grounded, pin 3 of the time base integrated circuit NE555-U5 is connected with resistor R13, the other end of resistor R13 is connected with a node between the capacitor C9 and the second switch SW2, the other end of capacitor C9 is grounded, pin 6 of the time base integrated circuit NE555-U5 is connected with pin 4 of the time base integrated circuit NE555-U5, pin 8 of the time base integrated circuit NE555-U5 is connected with +12v, pin 5 of the time base integrated circuit NE555-U5 is connected with the capacitor C8, and the other end of the capacitor C8 is grounded.

Further, the second relay circuit comprises a light emitting diode VD39, a diode D3 and a second relay RL2, the 7 pin of the time base integrated circuit NE555-U5 is connected with the cathode of the light emitting diode VD39, the anode of the light emitting diode VD39 is connected with the diode D3 and the second relay RL2 in parallel, the COM end of the second relay RL2 is connected with +12v, the NC end of the second relay RL2 is connected with the electromagnet group, and the other end of the electromagnet group is grounded.

Further, the first bistable switch circuit comprises a first switch SW1, a resistor R7, a resistor R8, a resistor R9, a capacitor C7, a time base integrated circuit NE555-U4 and a capacitor C6, wherein the 1 pin of the time base integrated circuit NE555-U4 is grounded, the 2 pin of the time base integrated circuit NE555-U4 is connected with the resistor R7 and the resistor R8 in series, the other end of the resistor R7 is connected with +12v, the other end of the resistor R8 is grounded, the 3 pin of the time base integrated circuit NE555-U4 is connected with the resistor R9, the node between the other end of the resistor R9 and the capacitor C7 is connected with the first switch SW1, the other end of the capacitor C7 is grounded, the other end of the first switch SW1 is connected with the 6 pin of the time base integrated circuit NE555-U4, the 4 pin of the time base integrated circuit NE555-U4 is connected with +12v, the 5 pin of the time base integrated circuit NE555-U4 is connected with the capacitor C6, and the other end of the capacitor C6 is grounded.

Further, the first relay circuit comprises a light emitting diode VD8, a diode D2, a first relay RL1, a resistor R6 and a resistor R10, wherein the 7 pin of the time base integrated circuit NE555-U4 is connected with the cathode of the light emitting diode VD8, the anode of the light emitting diode VD8 is connected with the diode D2 and the first relay RL1 in parallel, the COM end of the first relay RL1 is connected with +12v, and the NC end of the first relay RL1 is connected with the resistor R6 and the resistor R10 in series; the LED lighting module comprises light emitting diodes VD2-VD7 and light emitting diodes VD9-VD38, wherein the light emitting diodes VD2-VD7 and the light emitting diodes VD9-VD38 are divided into two groups, each group is divided into 6 groups, 3 light emitting diodes of each group are connected in series to form a small group, the 6 groups of light emitting diodes are connected in parallel, the common anode of the 6 groups of parallel light emitting diodes in one group is connected with a resistor R6, and the common anode of the 6 groups of parallel light emitting diodes in one group is connected with a resistor R10.

Further, the pulse oscillator circuit comprises a resistor R3, a variable resistor VR1, a capacitor C2 and an inverter circuit CD4069, wherein pin 1 of the inverter circuit CD4069 is connected with the resistor R3, a node between pin 2 and pin 3 of the inverter circuit CD4069 is connected with the variable resistor VR1, pin 4 of the inverter circuit CD4069 is connected with the capacitor C2, a node between the other end of the capacitor C2 and the variable resistor VR1 is connected with the other end of the resistor R3, pin 7 of the inverter circuit CD4069 is grounded, and pin 14 of the inverter circuit CD4069 is connected with +6v.

Further, the zero clearing circuit comprises a capacitor C1, a capacitor C3 and a diode D1, wherein the capacitor C1 is connected with the capacitor C3, and the other end of the capacitor C3 is connected with the cathode of the diode D1; the decimal counter circuit comprises a decimal counter CD4017 and a resistor R5, wherein the 2 pin of the decimal counter CD4017 is connected with the anode of a diode D1, a node between the 8 pin of the decimal counter CD4017 and the resistor R5 is grounded, the other end of the resistor R5 is connected with a capacitor C3, the 13 pin of the decimal counter CD4017 is grounded, the 15 pin of the decimal counter CD4017 is connected with the resistor R5, the 16 pin of the decimal counter CD4017 is connected with +6V, and the 14 pin of the decimal counter CD4017 is connected with the 4 pin of an inverter circuit CD 4069.

Further, the earphone interface circuit comprises a stereo earphone socket, a light emitting diode VD1, a resistor R4, a resistor R2 and an NPN triode Q1, wherein the 3 pin of the decimal counter CD4017 is connected with the resistor R2, the other end of the resistor R2 is connected with the base electrode of the NPN triode Q1, the emitter electrode of the NPN triode Q1 is grounded, the collector electrode of the NPN triode Q1 is connected with the resistor R4 in series with the stereo earphone socket, the stereo earphone socket is connected with the 16 pin of the decimal counter CD4017, the other end of the resistor R4 is connected with the cathode of the light emitting diode VD1, and the node between the anode of the light emitting diode VD1 and the capacitor C1 is connected with the stereo earphone socket; the first output circuit comprises a switch S1, a resistor R1, a light emitting diode VD40, a three-terminal voltage stabilizing tube LM7806, an electrolytic capacitor EC1, an electrolytic capacitor EC2, a capacitor C4 and a capacitor C5, wherein the anode of the light emitting diode VD1 is connected with the switch S1, the resistor R1 is connected in series with the light emitting diode VD40, the cathode of the light emitting diode VD40 is grounded, the 1 pin of the three-terminal voltage stabilizing tube LM7806 is connected in series with the electrolytic capacitor EC1 and the capacitor C4, the 3 pin of the three-terminal voltage stabilizing tube LM7806 is connected in series with the electrolytic capacitor EC2 and the capacitor C5, the 2 pin of the three-terminal voltage stabilizing tube LM7806, the electrolytic capacitor EC1, the capacitor C4 and the other end of the capacitor C5 are grounded, and the 1 pin of the three-terminal voltage stabilizing tube LM7806 is connected with the 4 pin of a time-base integrated circuit NE 555-U4.

The utility model has the beneficial effects that: 1. through the power indicator, be convenient for people judge whether the power indicator opens.

2. The sound frequency can be adjusted by means of the first potentiometer.

3. Through the LED lighting module, be convenient for when children get out of bed at night throw light on.

Drawings

Fig. 1 is a circuit block diagram of the present utility model.

Fig. 2 is a schematic circuit diagram of the present utility model.

In the above figures: 1: power supply circuit, 2: power switch, 3: power indicator lamp, 4: zero clearing circuit, 5: first potentiometer, 6: pulse oscillator circuit, 7: decimal counter circuit, 8: first output circuit, 9: earphone interface circuit, 10: first pilot lamp, 11: LED lighting module, 12: first relay circuit, 13: second key, 14: first bistable switching circuit, 15: first key, 16: second bistable switching circuit, 17: second relay circuit, 18: an electromagnet group.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides a medical child protection medical bed control circuit, as shown in fig. 1, including power supply circuit 1, second button 13, second bistable switch circuit 16, second relay circuit 17 and electro-magnet group 18, second button 13 output and second bistable switch circuit 16 input are connected, second bistable switch circuit 16 output and second relay circuit 17 input are connected, second relay circuit 17 output and electro-magnet group 18 input are connected, power supply circuit 1 is for second button 13, second bistable switch circuit 16, second relay circuit 17 and electro-magnet group 18 power supply.

When a child lies on the medical bed, the child needs to be protected, the second key 13 can be pressed, the second key 13 controls the second bistable switch circuit 16 to work, the second bistable switch circuit 16 controls the second relay circuit 17 to work, the second relay circuit 17 controls the electromagnet group 18 to work, at the moment, people can erect a baffle at the medical bed side, the electromagnet group 18 attracts the baffle, so that the baffle can play a role in protecting the child, when the child is not used, the second key 13 is pressed again, the electromagnet group 18 loses magnetism, the baffle is automatically opened, and the child can get on and off the bed conveniently.

Example 2

On the basis of embodiment 1, as shown in fig. 1-2, the LED lighting module comprises an LED lighting module 11, a first relay circuit 12, a first bistable switch circuit 14 and a first key 15, wherein the output end of the first key 15 is connected with the input end of the first bistable switch circuit 14, the output end of the first bistable switch circuit 14 is connected with the input end of the first relay circuit 12, the output end of the first relay circuit 12 is connected with the input end of the LED lighting module 11, and the power supply circuit 1 supplies power to the LED lighting module 11, the first relay circuit 12, the first bistable switch circuit 14 and the first key 15.

When the child needs to get up at night, the first key 15 can be pressed, the first key 15 controls the first bistable switch circuit 14 to work, the first bistable switch circuit 14 controls the first relay circuit 12 to work, and then the LED lighting module 11 is turned on for lighting, so that the lighting can avoid affecting rest of other people, and the first key 15 is pressed again when not used, and then the LED lighting module 11 is extinguished.

The power supply circuit is characterized by further comprising a power switch 2, a power indicator lamp 3, a zero clearing circuit 4, a first potentiometer 5, a pulse oscillator circuit 6, a decimal counter circuit 7, a first output circuit 8, an earphone interface circuit 9 and a first indicator lamp 10, wherein the output end of the power switch 2 is connected with the input end of the power indicator lamp 3, the output end of the power switch 2 is connected with the input end of the zero clearing circuit 4, the output end of the first potentiometer 5 is connected with the input end of the zero clearing circuit 4, the output end of the zero clearing circuit 4 is connected with the input end of the pulse oscillator circuit 6, the output end of the pulse oscillator circuit 6 is connected with the input end of the decimal counter circuit 7, the output end of the decimal counter circuit 7 is connected with the input end of the first output circuit 8, the output end of the first output circuit 8 is connected with the input end of the earphone interface circuit 9, the output end of the first output circuit 8 is connected with the input end of the first indicator lamp 10, and the power supply circuit 1 is the power switch 2, the power indicator lamp 3, the zero clearing circuit 4, the first potentiometer 5, the pulse oscillator circuit 6, the decimal counter circuit 7, the decimal counter circuit 8, the first output circuit 8 and the earphone interface circuit 9.

In order to accelerate children to fall asleep, the power switch 2 can be turned on firstly, the power indicator lamp 3 is turned on, the zero clearing circuit 4 controls the pulse oscillator circuit 6 to work, the zero clearing circuit 4 clears the frequency of the pulse oscillator circuit 6, the pulse oscillator circuit 6 controls the decimal counter circuit 7 to work, the decimal counter circuit 7 controls the first output circuit 8 to work, the first indicator lamp 10 is turned on, the first output circuit 8 controls the earphone interface circuit 9 to work, the children wear the earphone, hypnotic sounds can be heard, so that the children can fall asleep conveniently, people can adjust the sound frequency through the first potentiometer 5, the power switch 2 is turned off when the children are not used, the power indicator lamp 3 and the first indicator lamp 10 are turned off, and the earphone interface circuit 9 stops working.

The second bistable switch circuit 16 comprises a second switch SW2, a resistor R11, a resistor R12, a resistor R13, a capacitor C9, a time base integrated circuit NE555-U5 and a capacitor C8, wherein pin 1 of the time base integrated circuit NE555-U5 is grounded, pin 2 of the time base integrated circuit NE555-U5 is connected with resistor R11 and resistor R12 in series, the other end of resistor R11 is connected with +12v, the other end of resistor R12 is grounded, pin 3 of the time base integrated circuit NE555-U5 is connected with resistor R13, the other end of resistor R13 is connected with the node between the capacitor C9 and the second switch SW2, the other end of capacitor C9 is grounded, pin 6 of the time base integrated circuit NE555-U5 is connected with pin 6 of the time base integrated circuit NE555-U5, pin 4 and pin 8 of the time base integrated circuit NE555-U5 are connected with +12v, pin 5 of the time base integrated circuit NE555-U5 is connected with the capacitor C8, and the other end of capacitor C8 is grounded.

The second relay circuit 17 comprises a light emitting diode VD39, a diode D3 and a second relay RL2, the 7 pin of the time base integrated circuit NE555-U5 is connected with the cathode of the light emitting diode VD39, the anode of the light emitting diode VD39 is connected with the diode D3 and the second relay RL2 in parallel, the COM end of the second relay RL2 is connected with +12v, the NC end of the second relay RL2 is connected with the electromagnet group 18, and the other end of the electromagnet group 18 is grounded.

When a child lies on the medical bed, the child needs to be protected, the second switch SW2 can be pressed, so that the 7 feet of the time base integrated circuit NE555-U5 output low level to the second relay RL2, the light emitting diode VD39 is lightened, the second relay RL2 is closed, the electromagnet group 18 works, the baffle is attracted, the second switch SW2 is closed when the baffle is not used, the light emitting diode VD39 is extinguished, the second relay RL2 is disconnected, and the electromagnet group 18 stops working.

The first bistable switch circuit 14 comprises a first switch SW1, a resistor R7, a resistor R8, a resistor R9, a capacitor C7, a time base integrated circuit NE555-U4 and a capacitor C6, wherein pin 1 of the time base integrated circuit NE555-U4 is grounded, pin 2 of the time base integrated circuit NE555-U4 is connected with the resistor R7 and the resistor R8 in series, the other end of the resistor R7 is connected with +12v, the other end of the resistor R8 is grounded, pin 3 of the time base integrated circuit NE555-U4 is connected with the resistor R9, a node between the other end of the resistor R9 and the capacitor C7 is connected with the first switch SW1, the other end of the capacitor C7 is grounded, pin 6 of the time base integrated circuit NE555-U4 is connected with pin 6 of the time base integrated circuit NE555-U4, pin 4 and pin 8 of the time base integrated circuit NE555-U4 are connected with +12v, pin 5 of the time base integrated circuit NE555-U4 is connected with the capacitor C6, and the other end of the capacitor C6 is grounded.

The first relay circuit 12 comprises a light emitting diode VD8, a diode D2, a first relay RL1, a resistor R6 and a resistor R10, wherein the 7 pin of the time base integrated circuit NE555-U4 is connected with the cathode of the light emitting diode VD8, the anode of the light emitting diode VD8 is connected with the diode D2 and the first relay RL1 in parallel, the COM end of the first relay RL1 is connected with +12v, and the NC end of the first relay RL1 is connected with the resistor R6 and the resistor R10 in series.

The LED lighting module 11 comprises light emitting diodes VD2-VD7 and light emitting diodes VD9-VD38, wherein the light emitting diodes VD2-VD7 and the light emitting diodes VD9-VD38 are divided into two groups, each group is divided into 6 groups, 3 light emitting diodes in each group are connected in series to form a group, the 6 groups of light emitting diodes are connected in parallel, the common anode of the 6 groups of parallel light emitting diodes in one group is connected with a resistor R6, and the common anode of the 6 groups of parallel light emitting diodes in one group is connected with a resistor R10.

When a child needs to get up at night, the first switch SW1 can be pressed, so that the 7 feet of the time base integrated circuit NE555-U4 output low level to the first relay RL1, the light emitting diode VD8 is on, the first relay RL1 is closed, at the moment, the light emitting diodes VD2-VD7 and the light emitting diodes VD9-VD38 are on, illumination can be achieved, when the child is not in use, the first switch SW1 is closed, the light emitting diode VD8 is turned off, the first relay RL1 is turned off, and the light emitting diodes VD2-VD7 and the light emitting diodes VD9-VD38 are turned off.

The pulse oscillator circuit 6 comprises a resistor R3, a variable resistor VR1, a capacitor C2 and an inverter circuit CD4069, wherein the 1 pin of the inverter circuit CD4069 is connected with the resistor R3, the node between the 2 pin and the 3 pin of the inverter circuit CD4069 is connected with the variable resistor VR1, the 4 pin of the inverter circuit CD4069 is connected with the capacitor C2, the other end of the capacitor C2 is connected with the node between the variable resistor VR1 and the other end of the resistor R3, the 7 pin of the inverter circuit CD4069 is grounded, and the 14 pin of the inverter circuit CD4069 is connected with +6V.

The zero clearing circuit 4 comprises a capacitor C1, a capacitor C3 and a diode D1, wherein the capacitor C1 is connected with the capacitor C3, and the other end of the capacitor C3 is connected with the cathode of the diode D1.

The decimal counter circuit 7 comprises a decimal counter CD4017 and a resistor R5, wherein the 2 pin of the decimal counter CD4017 is connected with the anode of a diode D1, a node between the 8 pin of the decimal counter CD4017 and the resistor R5 is grounded, the other end of the resistor R5 is connected with a capacitor C3, the 13 pin of the decimal counter CD4017 is grounded, the 15 pin of the decimal counter CD4017 is connected with the resistor R5, the 16 pin of the decimal counter CD4017 is connected with +6V, and the 14 pin of the decimal counter CD4017 is connected with the 4 pin of an inverter circuit CD 4069.

The earphone interface circuit 9 comprises a stereo earphone socket, a light emitting diode VD1, a resistor R4, a resistor R2 and an NPN triode Q1, wherein the 3 pin of a decimal counter CD4017 is connected with the resistor R2, the other end of the resistor R2 is connected with the base electrode of the NPN triode Q1, the emitter electrode of the NPN triode Q1 is grounded, the collector electrode of the NPN triode Q1 is connected with the resistor R4 in series and the stereo earphone socket, the stereo earphone socket is connected with the 16 pin of the decimal counter CD4017, the other end of the resistor R4 is connected with the cathode of the light emitting diode VD1, and the node between the anode of the light emitting diode VD1 and the capacitor C1 is connected with the stereo earphone socket.

The first output circuit 8 comprises a switch S1, a resistor R1, a light emitting diode VD40, a three-terminal voltage stabilizing tube LM7806, an electrolytic capacitor EC1, an electrolytic capacitor EC2, a capacitor C4 and a capacitor C5, wherein the anode of the light emitting diode VD1 is connected with the switch S1, the resistor R1 is connected in series with the light emitting diode VD40, the cathode of the light emitting diode VD40 is grounded, the 1 pin of the three-terminal voltage stabilizing tube LM7806 is connected in series with the electrolytic capacitor EC1 and the capacitor C4, the 3 pin of the three-terminal voltage stabilizing tube LM7806 is connected in series with the electrolytic capacitor EC2 and the capacitor C5, and the other end of the three-terminal voltage stabilizing tube LM7806 is grounded, and the 1 pin of the three-terminal voltage stabilizing tube LM7806 is connected with the 4 pins of the time-base integrated circuit NE 555-U4.

In order to accelerate the child falling asleep, the switch S1 may be opened first, the switch S1 is closed, the light emitting diode VD1 is turned on, the inverter circuit CD4069 inputs the pulse into the decimal counter CD4017, the 2 pin of the decimal counter CD4017 outputs a high level, under the cooperation between the capacitor C1, the capacitor C3 and the diode D1, the sound oscillation frequency is cleared, then the sound oscillation frequency may be adjusted according to the resistor R3, the variable resistor VR1 and the capacitor C2, then the 3 pin of the decimal counter CD4017 outputs a high level, the light emitting diode VD1 is turned on at this time, the stereo earphone socket works, the switch S1 is turned off when not in use, the light emitting diode VD1 is turned off, and the stereo earphone socket stops working.

Finally, it should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the scope of the present utility model, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted equally without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A child-resistant hospital bed control circuit for medical use, characterized by: the intelligent power supply device comprises a power supply circuit (1), a second key (13), a second bistable switch circuit (16), a second relay circuit (17) and an electromagnet group (18), wherein the output end of the second key (13) is connected with the input end of the second bistable switch circuit (16), the output end of the second bistable switch circuit (16) is connected with the input end of the second relay circuit (17), the output end of the second relay circuit (17) is connected with the input end of the electromagnet group (18), and the power supply circuit (1) supplies power for the second key (13), the second bistable switch circuit (16), the second relay circuit (17) and the electromagnet group (18).

2. A child resistant hospital bed control circuit for medical use according to claim 1, wherein: including LED lighting module (11), first relay circuit (12), first bistable switch circuit (14) and first button (15), first button (15) output and first bistable switch circuit (14) input are connected, first bistable switch circuit (14) output and first relay circuit (12) input are connected, first relay circuit (12) output and LED lighting module (11) input are connected, power supply circuit (1) is LED lighting module (11), first relay circuit (12), first bistable switch circuit (14) and first button (15) power supply.

3. A child resistant hospital bed control circuit for medical use according to claim 2, wherein: still including switch (2), power pilot lamp (3), clear circuit (4), first potentiometre (5), pulse oscillator circuit (6), decimal counter circuit (7), first output circuit (8), earphone interface circuit (9) and first pilot lamp (10), switch (2) output and power pilot lamp (3) input are connected, switch (2) output and clear circuit (4) input are connected, first potentiometre (5) output and clear circuit (4) input are connected, clear circuit (4) output and pulse oscillator circuit (6) input are connected, pulse oscillator circuit (6) output and decimal counter circuit (7) input are connected, decimal counter circuit (7) output and first output circuit (8) input are connected, first output circuit (8) output and earphone interface circuit (9) input are connected, first output circuit (8) output and first pilot lamp (10) are connected, switch (1), pulse oscillator circuit (6) input are connected, the pulse oscillator circuit (7) input is the pulse oscillator circuit (6), the pulse oscillator circuit (7) input is connected, the first output circuit (8), the earphone interface circuit (9) and the first indicator lamp (10) are powered.

4. A child resistant hospital bed control circuit for medical use according to claim 3, wherein: the second bistable switch circuit (16) comprises a second switch SW2, a resistor R11, a resistor R12, a resistor R13, a capacitor C9, a time base integrated circuit NE555-U5 and a capacitor C8, wherein the 1 pin of the time base integrated circuit NE555-U5 is grounded, the 2 pin of the time base integrated circuit NE555-U5 is connected with the resistor R11 and the resistor R12 in series, the other end of the resistor R11 is connected with +12V, the other end of the resistor R12 is grounded, the 3 pin of the time base integrated circuit NE555-U5 is connected with the resistor R13, the other end of the resistor R13 is connected with the node between the capacitor C9 and the second switch SW2, the other end of the capacitor C9 is grounded, the other end of the second switch SW2 is connected with the 6 pin of the time base integrated circuit NE555-U5, the 4 pin and the 8 pin of the time base integrated circuit NE555-U5 are connected with +12V, the 5 pin of the time base integrated circuit NE555-U5 is connected with the capacitor C8, and the other end of the capacitor C8 is grounded.

5. A child resistant hospital bed control circuit for medical use according to claim 4, wherein: the second relay circuit (17) comprises a light emitting diode VD39, a diode D3 and a second relay RL2, wherein the 7 pin of the time base integrated circuit NE555-U5 is connected with the cathode of the light emitting diode VD39, the anode of the light emitting diode VD39 is connected with the diode D3 and the second relay RL2 in parallel, the COM end of the second relay RL2 is connected with +12V, the NC end of the second relay RL2 is connected with the electromagnet group (18), and the other end of the electromagnet group (18) is grounded.

6. A child resistant hospital bed control circuit for medical use according to claim 5, wherein: the first bistable switch circuit (14) comprises a first switch SW1, a resistor R7, a resistor R8, a resistor R9, a capacitor C7, a time base integrated circuit NE555-U4 and a capacitor C6, wherein the 1 pin of the time base integrated circuit NE555-U4 is grounded, the 2 pin of the time base integrated circuit NE555-U4 is connected with the resistor R7 and the resistor R8 in series, the other end of the resistor R7 is connected with +12V, the other end of the resistor R8 is grounded, the 3 pin of the time base integrated circuit NE555-U4 is connected with the resistor R9, the node between the other end of the resistor R9 and the capacitor C7 is connected with the first switch SW1, the other end of the capacitor C7 is grounded, the other end of the first switch SW1 is connected with the 6 pin of the time base integrated circuit NE555-U4, the 4 pin of the time base integrated circuit NE555-U4 is connected with the 8 pin +12V, the 5 pin of the time base integrated circuit NE555-U4 is connected with the capacitor C6, and the other end of the capacitor C6 is grounded.

7. A child resistant hospital bed control circuit for medical use according to claim 6, wherein: the first relay circuit (12) comprises a light emitting diode (VD 8), a diode (D2), a first relay (RL 1), a resistor (R6) and a resistor (R10), wherein the 7 pin of the time base integrated circuit (NE 555-U4) is connected with the cathode of the light emitting diode (VD 8), the diode (D2) and the first relay (RL 1) are connected in parallel with the anode of the light emitting diode (VD 8), the COM end of the first relay (RL 1) is connected with +12V, and the NC end of the first relay (RL 1) is connected with the resistor (R6) and the resistor (R10) in series; the LED lighting module (11) comprises light emitting diodes VD2-VD7 and light emitting diodes VD9-VD38, wherein the light emitting diodes VD2-VD7 and the light emitting diodes VD9-VD38 are divided into two groups, each group is divided into 6 groups, 3 light emitting diodes of each group are connected in series to form a group, the 6 groups of light emitting diodes are connected in parallel, the common anode of the 6 groups of parallel light emitting diodes in one group is connected with a resistor R6, and the common anode of the 6 groups of parallel light emitting diodes in one group is connected with a resistor R10.

8. A child resistant hospital bed control circuit for medical use according to claim 7, wherein: the pulse oscillator circuit (6) comprises a resistor R3, a variable resistor VR1, a capacitor C2 and an inverter circuit CD4069, wherein the 1 pin of the inverter circuit CD4069 is connected with the resistor R3, the node between the 2 pin and the 3 pin of the inverter circuit CD4069 is connected with the variable resistor VR1, the 4 pin of the inverter circuit CD4069 is connected with the capacitor C2, the other end of the capacitor C2 is connected with the node between the variable resistor VR1 and the other end of the resistor R3, the 7 pin of the inverter circuit CD4069 is grounded, and the 14 pin of the inverter circuit CD4069 is connected with +6V.

9. A child resistant hospital bed control circuit for medical use according to claim 8, wherein: the zero clearing circuit (4) comprises a capacitor C1, a capacitor C3 and a diode D1, wherein the capacitor C1 is connected with the capacitor C3, and the other end of the capacitor C3 is connected with the cathode of the diode D1; the decimal counter circuit (7) comprises a decimal counter CD4017 and a resistor R5, wherein the 2 pin of the decimal counter CD4017 is connected with the anode of a diode D1, a node between the 8 pin of the decimal counter CD4017 and the resistor R5 is grounded, the other end of the resistor R5 is connected with a capacitor C3, the 13 pin of the decimal counter CD4017 is grounded, the 15 pin of the decimal counter CD4017 is connected with the resistor R5, the 16 pin of the decimal counter CD4017 is connected with +6V, and the 14 pin of the decimal counter CD4017 is connected with the 4 pin of an inverter circuit CD 4069.

10. A child resistant hospital bed control circuit for medical use according to claim 9, wherein: the earphone interface circuit (9) comprises a stereo earphone socket, a light emitting diode VD1, a resistor R4, a resistor R2 and an NPN triode Q1, wherein the 3 pin of a decimal counter CD4017 is connected with the resistor R2, the other end of the resistor R2 is connected with the base electrode of the NPN triode Q1, the emitter electrode of the NPN triode Q1 is grounded, the collector electrode of the NPN triode Q1 is connected with the resistor R4 in series and the stereo earphone socket, the stereo earphone socket is connected with the 16 pin of the decimal counter CD4017, the other end of the resistor R4 is connected with the cathode of the light emitting diode VD1, and the node between the anode of the light emitting diode VD1 and the connection of a capacitor C1 is connected with the stereo earphone socket; the first output circuit (8) comprises a switch S1, a resistor R1, a light emitting diode VD40, a three-terminal voltage stabilizing tube LM7806, an electrolytic capacitor EC1, an electrolytic capacitor EC2, a capacitor C4 and a capacitor C5, wherein the anode of the light emitting diode VD1 is connected with the switch S1, the resistor R1 and the light emitting diode VD40 are connected in series, the cathode of the light emitting diode VD40 is grounded, the 1 pin of the three-terminal voltage stabilizing tube LM7806 is connected with the electrolytic capacitor EC1 and the capacitor C4 in series, the 3 pin of the three-terminal voltage stabilizing tube LM7806 is connected with the electrolytic capacitor EC2 and the capacitor C5 in series, the other ends of the 2 pin of the three-terminal voltage stabilizing tube LM7806, the electrolytic capacitor EC1, the electrolytic capacitor EC2, the capacitor C4 and the capacitor C5 are grounded, and the 1 pin of the three-terminal voltage stabilizing tube LM7806 is connected with the 4 pin of the time-base integrated circuit NE 555-U4.