CN208160959U - Bathing cap with alarming drowning function - Google Patents

Abstract

The utility model relates to a kind of bathing cap with alarming drowning function, alarm is equipped at the top of the cap body of the bathing cap, alarm contains Packed upper and lower casing and control circuit, and upper housing is transparent shell；The upper surface middle part of lower case is equipped with blind hole and rectangle pit, T shape pin, spring and baffle are equipped in rectangle pit, the head of T shape pin is located at the right of baffle, middle part passes through the second through-hole on baffle, first through hole of the tail portion across rectangle pit and blind hole on side wall, limited block in the middle part of T shape pin is located at the left side of baffle, and spring pocket is on T shape pin and is limited between limited block and baffle；A vertical cylinder is equipped in the middle part of the lower surface of upper housing, the lower part of vertical cylinder is equipped with third through-hole, and vertical cylinder is extend into blind hole；Electromagnetic coil and pressure sensor in control circuit are mounted in lower case, and LED alarm lamp and buzzer are mounted in upper housing；The utility model warning effect is good, easy to use.

Description

Swimming cap with drowning alarm function

(1) Technical field:

The utility model relates to a swimming cap, in particular to a swimming cap with a drowning alarm function.

(two), background technology:

Swimming is one of the favorite sports for men, women, and children. Swimming is very beneficial to people's health. It can improve people's cardiovascular system, lung capacity, respiratory system, muscular system, and body temperature regulation. Mechanism, strengthen skin blood circulation, enhance resistance, lose weight and so on. However, swimming is also a risky sport. According to data released by the Chinese Ministry of Health, the number of drowning deaths in my country reaches 57,000 every year. On average, more than 150 people die every day. The number is really amazing. It is generally believed that swimmers will struggle and shout loudly when they drown, so as to attract the attention of people around them and rescue them in time. It happens quietly, which is why people often hear about people drowning in swimming pools, especially for children. Due to the negligence of family members, drowning incidents often occur while swimming. In the prior art, in order to prevent drowning incidents, cameras are generally installed in the swimming pool and guardians are equipped. However, when there are many people in the swimming pool, the guardians are often overwhelmed and it is difficult to take care of everyone. Omissions will occur, resulting in inevitable tragedy.

(3) Contents of the utility model:

The technical problem to be solved by the utility model is to provide a swimming cap with a drowning alarm function which has a good alarm effect and is easy to use.

Technical scheme of the utility model:

A swimming cap with a drowning alarm function, comprising a cap body, an alarm device is installed on the top of the cap body, the alarm device includes an upper case, a lower case and a control circuit, the upper case is a transparent case, and the bottom surface of the lower case Fixedly connected to the top of the cap body, the upper case is installed on the upper surface of the lower case, the control circuit is set in the upper case and the lower case, both of the upper case and the lower case are sealed; the lower case There is a blind hole and a rectangular pit in the middle of the upper surface. The rectangular pit is located on the right side of the blind hole. Both the rectangular pit and the blind hole are not connected to the inside of the lower shell. The wall is provided with a first transverse through hole through which the rectangular pit and the blind hole are communicated, and a transversely arranged T-shaped pin, a spring and a vertically arranged baffle are arranged in the rectangular pit , the T-shaped pin is made of soft iron, the baffle is inserted into the groove on the side wall of the rectangular pit, a second through hole is provided in the middle of the baffle surface, and the head of the T-shaped pin is located on the baffle The middle part of the T-shaped pin passes through the second through hole, the tail of the T-shaped pin passes through the first through hole, and the middle part of the T-shaped pin is fixed with a limit block, which is located on the left side of the baffle plate. The spring is set on the T-shaped pin and is limited between the limit block and the baffle plate. The opening of the rectangular pit is covered with a cover; The lower part of the body is provided with a horizontal third through hole, the vertical column extends into the blind hole, and the third through hole is coaxial with the first through hole and the second through hole; the control circuit contains a resistive film pressure Sensors, LED alarm lights, buzzers and electromagnetic coils. The electromagnetic coils are installed inside the lower shell and on the right side of the rectangular pit. The end face of the electromagnetic coils is facing the head of the T-shaped pin. The resistive film pressure sensor is installed on the bottom. The pressure measurement through hole on the surface of the shell is sealed and connected between the resistive film pressure sensor and the pressure measurement through hole. The LED alarm light and buzzer are installed on the circuit board inside the upper shell. The LED alarm light and buzzer The connecting wires between the device and the control circuit in the lower casing first pass through the upper casing, and then pass through the lower casing to enter the lower casing, and the connecting wires are connected with the upper casing and the lower casing by sealing rings ; When the electromagnetic coil is not energized, under the action of the spring, the tail of the T-shaped pin passes through the third through hole; when the electromagnetic coil is energized, the T-shaped pin moves to the right due to the magnetic attraction of the electromagnetic coil, and the T-shaped pin moves to the right. The tail part of the pin withdraws from the third through hole, and the upper shell is separated from the lower shell.

The middle part of the lower surface of the upper housing is also provided with a hollow cylinder, the hollow cylinder surrounds the periphery of the vertical cylinder, and the length of the hollow cylinder is less than the length of the vertical cylinder; the hollow cylinder is used for winding the connecting wire to prevent The connecting wire is too long and kinked. The length of the T-shaped pin is less than the length of the rectangular pit.

The control circuit also contains a microprocessor, an inclination sensor, an operational amplifier, a first triode, a relay, a second triode, a third triode, a battery and a power switch, a microprocessor, an inclination sensor, an operational amplifier, The first triode, the relay, the second triode, the third triode and the battery are arranged on the circuit board in the lower casing, the power switch is installed in the switch through hole on the surface of the lower casing, and the power switch and the switch through hole The connection between the resistive film pressure sensor and the first resistor is connected in series and then connected between the power supply terminal and the ground. The phase input terminal is connected, the third resistor is connected between the inverting input terminal and the output terminal of the operational amplifier, the output terminal of the operational amplifier is connected to the pressure signal input terminal of the microprocessor through the fourth resistor, and the output terminal of the inclination sensor is connected to the microprocessor. The tilt signal input end of the processor is connected, the electromagnetic coil signal output end of the microprocessor is connected with the electromagnetic coil through the third triode, and the sound alarm signal output end of the microprocessor is connected with the buzzer through the second triode, The light alarm signal output end of the microprocessor is connected to the coil of the relay through the first triode, and the contacts of the relay are connected in series to the power supply circuit of the LED alarm light. The positive pole of the battery is connected to the power supply terminal through the power switch, and the negative pole of the battery is grounded. .

The control circuit also contains a watchdog chip and an LED indicator light; the watchdog signal output terminal of the microprocessor is connected with the signal input terminal of the watchdog chip, and the reset signal output terminal of the watchdog chip is connected with the reset signal terminal of the microprocessor. The watchdog chip can prevent the microprocessor from crashing and ensure the reliability of the control circuit; the LED indicator is connected in series with the fifth resistor and connected between the power supply terminal and the ground, and the LED indicator is installed on the surface of the lower shell In the indicator light through hole, and the LED indicator light is sealed and connected with the indicator light through hole.

The model of the microprocessor is: AT89C2051; the model of the operational amplifier is: LM324; the model of the inclination sensor is: MMA2260; the model of the watchdog chip is: STM6824.

An elastic cap is connected between two sides of the lower part of the cap; the elastic cap can prevent the cap from falling off from the human head; the upper shell and the lower shell are both cylindrical shells.

The material of the upper shell is transparent plastic, the material of the lower shell is opaque plastic, the material of the cap body is cloth or rubber, and the bottom surface of the lower shell is pasted on the top of the cap body.

The beneficial effects of the utility model:

1. The utility model installs an alarm on the top of the cap body. The alarm includes a transparent upper shell and a lower shell. A resistive film pressure sensor is installed on the surface of the lower shell. A microprocessor, an inclination angle Sensors and electromagnetic coils, LED alarm lights and buzzers are arranged in the upper shell, and the control circuits in the lower shell and the upper shell are connected by long connecting wires; when a swimmer drowns, his head will be submerged in the water Here, the position of the head will also be tilted. At this time, the resistive film pressure sensor will detect the increase in pressure, and the inclination sensor will also detect the increase in inclination angle. When the pressure and inclination angle increase to a certain value, the microprocessor will drive the LED. The alarm light and the buzzer give sound and light alarms, and at the same time, energize the electromagnetic coil to make the T-shaped pin on the lower shell move to the right and withdraw from the third through hole, so that the upper shell and the lower shell Separation, like this, although the drowning person has sunk into the water, the upper casing of sounding and luminous still floats on the water surface all the time, reminds the people around people to drown, and rescues in time; Therefore, the utility model has good alarm effect.

2. After the lower shell and the upper shell of the utility model are separated, they are also connected by a long connecting wire. In this way, when a swimmer sinks into the water, the surrounding people only need to see the sound-emitting upper shell, The drowning person can be found along the connecting wire, the drowning person can be rescued in time, and the use is very convenient.

3. After the lower shell and the upper shell of the utility model are separated, if you want to connect them together for the next use, you can first tilt the lower shell at a certain angle (such as 90°), and the inclination sensor detects After the tilt angle changes, the microprocessor energizes the electromagnetic coil, and the T-shaped pin on the lower housing moves to the right. At this time, insert the vertical column on the upper housing into the blind hole on the lower housing. , and then put the lower shell and the upper shell in the correct position, the electromagnetic coil will be de-energized, and the T-shaped pin will move to the left under the action of the spring, and penetrate into the third through hole on the vertical column, so that the The upper shell and the lower shell are connected together, which is very convenient to use.

(4) Description of drawings:

Fig. 1 is the structural representation of the swimming cap with drowning alarm function;

Fig. 2 is a top view structural schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of the cross-sectional structure of A-A of Fig. 2;

Fig. 4 is a schematic diagram of the enlarged structure of the upper casing and the lower casing in Fig. 3;

Fig. 5 is a structural schematic view when the upper casing and the lower casing are separated in Fig. 4;

FIG. 6 is a schematic diagram of the circuit principle of the control circuit.

(5) Specific implementation methods:

Referring to Figures 1 to 6, among the figures, a swimming cap with a drowning alarm function includes a cap body 1, an alarm is installed on the top of the cap body 1, and the alarm includes an upper casing 3, a lower casing 4 and a control circuit, and the upper casing The body 1 is a transparent shell, the bottom surface of the lower shell 4 is fixedly connected to the top of the cap body 1, the upper shell 3 is installed on the upper surface of the lower shell 4, and the control circuit is arranged in the upper shell 3 and the lower shell 4 , the upper shell 3 and the lower shell 4 are sealed shells; the middle part of the upper surface of the lower shell 4 is provided with a blind hole 16 and a rectangular pit 15, the rectangular pit 15 is located on the right side of the blind hole 16, Both the rectangular pit 15 and the blind hole 16 are not connected to the inside of the lower housing 4, and a first transverse through hole is arranged on the side wall between the rectangular pit 15 and the blind hole 16, and the rectangular pit 15 and the blind hole 16 Connected through the first through hole, a horizontally arranged T-shaped pin 6, a spring 7 and a vertically arranged baffle plate 8 are arranged in the rectangular pit 15. The material of the T-shaped pin 6 is soft iron. Plate 8 is inserted in the groove on the side wall of rectangular pit 15, and the middle part of baffle plate 8 surface is provided with a second through hole, and the head of T-shaped pin 6 is positioned at the right side of baffle plate 8, and T-shaped pin The middle part of 6 passes through the second through hole, and the afterbody of T-shaped pin 6 passes through the first through hole, and the middle part of T-shaped pin 6 is fixedly provided with stopper 9, and stopper 9 is positioned at the left side of baffle plate 8, and spring 7 is set on the T-shaped pin 6 and is limited between the limit block 9 and the baffle plate 8, and the pit mouth of the rectangular pit 15 is covered with a cover 18; the middle part of the lower surface of the upper casing 3 is provided with a vertical Cylinder 13, the bottom of the vertical cylinder 13 is provided with a third transverse through hole 14, the vertical cylinder 13 stretches in the blind hole 16, and the third through hole 14 is connected with the first through hole and the second through hole. The holes are coaxial; the control circuit contains resistive film pressure sensor RY, LED warning lights (D4, D5, D6), buzzer S1 and electromagnetic coil 5, and the electromagnetic coil 5 is installed inside the lower shell 4 and located in the rectangular pit 15 On the right side, the end face of the electromagnetic coil 5 is facing the head of the T-shaped pin 6, the resistive film pressure sensor RY is installed in the pressure measurement through hole on the surface of the lower casing 4, and the resistive film pressure sensor RY is connected to the pressure measurement through hole The holes are sealed and connected, and the LED warning lights (D4, D5, D6) and the buzzer S1 are installed on the circuit board 10 inside the upper casing 3, and the LED warning lights (D4, D5, D6) and the buzzer S1 are connected to the The connecting wire 17 between the control circuits in the lower housing 4 passes through the upper housing 3 first, and then passes through the lower housing 4 to enter the lower housing 4. The connecting wire 17 is connected to the upper housing 3 and the lower housing 4. They are all connected by sealing ring 19; when the electromagnetic coil 5 is not energized, under the action of the spring 7, the tail of the T-shaped pin 6 passes through the third through hole 14; when the electromagnetic coil 5 is energized, the T-shaped pin The sub 6 moves to the right under the magnetic attraction of the electromagnetic coil 5, the tail of the T-shaped pin 6 withdraws from the third through hole 14, and the upper casing 3 is separated from the lower casing 4.

The middle part of the lower surface of the upper casing 3 is also provided with a hollow cylinder 12, the hollow cylinder 12 surrounds the periphery of the vertical cylinder 13, and the length of the hollow cylinder 12 is less than the length of the vertical cylinder 13; It is used to wrap the connecting wire 17 to prevent the connecting wire 17 from being too long and knotted. The length of the T-shaped pin 6 is less than the length of the rectangular recess 15 .

The control circuit also includes a microprocessor U1, an inclination sensor U3, an operational amplifier U4A, a first transistor T1, a relay J1, a second transistor T2, a third transistor T3, a battery BT1, and a power switch K1. The processor U1, the inclination sensor U3, the operational amplifier U4A, the first triode T1, the relay J1, the second triode T2, the third triode T3 and the battery BT1 are arranged on the circuit board 11 in the lower casing 4, The power switch K1 is installed in the switch through hole on the surface of the lower casing 4, and the power switch K1 and the switch through hole are sealed and connected; the resistive film pressure sensor RY is connected in series with the first resistor R13 and then connected to the power supply terminal VCC and the ground, the connection point of the resistive film pressure sensor RY and the first resistor R13 is connected to the non-inverting input terminal of the operational amplifier U4A through the second resistor R12, and the inverting input terminal and the output terminal of the operational amplifier U4A are connected with The third resistor R11, the output terminal of the operational amplifier U4A is connected to the pressure signal input terminal P1.0 of the microprocessor U1 through the fourth resistor R10, and the output terminal VOUT of the inclination sensor U3 is connected to the tilt signal input terminal P1 of the microprocessor U1. 1 connection, the electromagnetic coil signal output terminal P1.2 of the microprocessor U1 is connected to the electromagnetic coil 5 through the third transistor T3, and the sound alarm signal output terminal P1.3 of the microprocessor U1 is connected to the electromagnetic coil 5 through the second transistor T2. The buzzer S1 is connected, the light alarm signal output terminal P1.4 of the microprocessor U1 is connected to the coil of the relay J1 through the first triode T1, and the contacts of the relay J1 are connected in series to the LED alarm lights (D4, D5, D6 ) in the power supply circuit, the positive pole of the battery BT1 is connected to the power supply terminal VCC through the power switch K1, and the negative pole of the battery BT1 is grounded.

The control circuit also contains a watchdog chip U2 and an LED indicator light D1; the watchdog signal output terminal P1.5 of the microprocessor U1 is connected to the signal input terminal WDI of the watchdog chip U2, and the reset of the watchdog chip U2 The signal output terminal RST is connected to the reset terminal RST of the microprocessor U1; the watchdog chip U1 can prevent the microprocessor U1 from crashing and ensure the reliability of the control circuit; the LED indicator D1 is connected in series with the fifth resistor R2 Between the power supply terminal VCC and the ground, the LED indicator D1 is installed in the indicator through hole on the surface of the lower housing 4 , and the LED indicator D1 is sealed and connected to the indicator through hole.

The model of the microprocessor U1 is: AT89C2051; the model of the operational amplifier U4A is: LM324; the model of the inclination sensor U3 is: MMA2260; the model of the watchdog chip U2 is: STM6824.

An elastic hat band 2 is connected between the two sides of the lower part of the cap body 1; the elastic hat band 2 can prevent the cap body 1 from falling off from the head of a person; the upper shell 3 and the lower shell 4 are cylindrical shells.

The material of the upper shell 3 is transparent plastic, the material of the lower shell 4 is opaque plastic, the material of the cap body 1 is rubber, and the bottom surface of the lower shell 4 is pasted on the top of the cap body 1 .

Claims (7)

1. A swimming cap with a drowning alarm function, comprising a cap body, characterized in that: an alarm is installed on the top of the cap body, the alarm contains an upper shell, a lower shell and a control circuit, and the upper shell is a transparent shell , the bottom surface of the lower case is fixedly connected to the top of the cap body, the upper case is installed on the upper surface of the lower case, the control circuit is set in the upper case and the lower case, and both the upper case and the lower case are sealed Shell; a blind hole and a rectangular pit are provided in the middle of the upper surface of the lower shell. The rectangular pit is located on the right side of the blind hole. A first transverse through hole is arranged on the side wall between the blind holes, and the rectangular pit and the blind hole are communicated through the first through hole, and a T-shaped pin, a spring and a transversely arranged T-shaped pin are arranged in the rectangular pit. The vertically arranged baffle, the material of the T-shaped pin is soft iron, the baffle is inserted into the groove on the side wall of the rectangular pit, a second through hole is provided in the middle of the surface of the baffle, and the T-shaped pin The head of the T-shaped pin is located on the right side of the baffle, the middle part of the T-shaped pin passes through the second through hole, the tail of the T-shaped pin passes through the first through hole, the middle part of the T-shaped pin is fixed with a limit block, and the limit block Located on the left side of the baffle, the spring is set on the T-shaped pin and is limited between the limit block and the baffle, the opening of the rectangular pit is covered with a cover; the middle of the lower surface of the upper shell is provided with a vertical cylinder, the bottom of the vertical cylinder is provided with a third horizontal through hole, the vertical cylinder extends into the blind hole, and the third through hole is coaxial with the first through hole and the second through hole; the control circuit It contains resistive film pressure sensor, LED alarm light, buzzer and electromagnetic coil. The electromagnetic coil is installed inside the lower shell and is located on the right side of the rectangular pit. The end face of the electromagnetic coil is facing the head of the T-shaped pin. The resistance The type film pressure sensor is installed in the pressure measurement through hole on the surface of the lower shell, and the resistive film pressure sensor is sealed with the pressure measurement through hole, and the LED alarm light and buzzer are installed on the circuit board inside the upper shell. The connecting wires between the LED alarm light and the buzzer and the control circuit in the lower casing first pass through the upper casing, and then pass through the lower casing to enter the lower casing. Both are connected by sealing rings; when the electromagnetic coil is not energized, under the action of the spring, the tail of the T-shaped pin passes through the third through hole; when the electromagnetic coil is energized, the T-shaped pin moves to the right, and the T-shaped pin moves to the right. The tail of the pin exits from the third through hole. 2. The swimming cap with drowning alarm function according to claim 1, characterized in that: the middle part of the lower surface of the upper shell is also provided with a hollow cylinder, the hollow cylinder surrounds the periphery of the vertical cylinder, The length of the hollow cylinder is less than the length of the vertical cylinder; the length of the T-shaped pin is less than the length of the rectangular pit. 3. The swimming cap with drowning alarm function according to claim 1, characterized in that: said control circuit also includes a microprocessor, an inclination sensor, an operational amplifier, a first triode, a relay, a second triode Tube, the third triode, battery and power switch, microprocessor, inclination sensor, operational amplifier, first triode, relay, second triode, third triode and battery are arranged in the circuit in the lower shell On the board, the power switch is installed in the switch through hole on the surface of the lower shell, and the power switch and the switch through hole are sealed and connected; the resistive film pressure sensor is connected in series with the first resistor and then connected between the power terminal and the ground Between, the connection point of the resistive film pressure sensor and the first resistor is connected to the non-inverting input terminal of the operational amplifier through the second resistor, and the third resistor is connected between the inverting input terminal and the output terminal of the operational amplifier, and the output of the operational amplifier end is connected with the pressure signal input end of the microprocessor through the fourth resistor, the output end of the inclination sensor is connected with the tilt signal input end of the microprocessor, and the electromagnetic coil signal output end of the microprocessor is connected with the electromagnetic coil through the third triode. connection, the sound alarm signal output of the microprocessor is connected to the buzzer through the second triode, the light alarm signal output of the microprocessor is connected to the coil of the relay through the first triode, and the contacts of the relay are connected in series In the power supply circuit of the LED warning light, the positive pole of the battery is connected to the power supply terminal through the power switch, and the negative pole of the battery is grounded. 4. The swimming cap with drowning alarm function according to claim 3, characterized in that: the control circuit also contains a watchdog chip and an LED indicator light; the watchdog signal output terminal of the microprocessor is connected with the watchdog The signal input terminal of the dog chip is connected, the reset signal output terminal of the watchdog chip is connected with the reset terminal of the microprocessor; the LED indicator is connected in series with the fifth resistor and connected between the power terminal and the ground, and the LED indicator is installed on the bottom The through hole of the indicator light on the surface of the shell, and the sealing connection between the LED indicator light and the through hole of the indicator light. 5. The swimming cap with drowning alarm function according to claim 4, characterized in that: the model of the microprocessor is: AT89C2051; the model of the operational amplifier is: LM324; the model of the inclination sensor is: MMA2260; The model of the dog chip is: STM6824. 6. The swimming cap with drowning alarm function according to claim 1, characterized in that: elastic straps are connected between the two sides of the lower part of the cap body; the upper shell and the lower shell are both cylindrical shells . 7. The swimming cap with drowning alarm function according to claim 1, characterized in that: the material of the upper shell is transparent plastic, the material of the lower shell is opaque plastic, the material of the cap body is cloth or rubber, The bottom surface of the lower shell is pasted on the top of the cap body.