TWI684542B - Safety warning method for safety seat - Google Patents

Abstract

The invention provides a safety warning method for a safety seat, which obtains one of a first seat The first temperature value and a first pressure value, when it is greater than the preset temperature value and the first preset pressure value, obtain a second pressure value of a second seat, when it is less than the second preset pressure value , Calculate a first time value, when it is greater than the first preset time value, generate a first alarm signal, if the aforementioned value is still greater than its preset value, then calculate a second time, and generate a second alarm The signal can detect whether the child has been forgotten in the safety seat, and the processing device on the seat can calculate the change of time and generate an alarm signal over time.

Description

Safety warning method for safety seat

The invention relates to a safety warning method for a safety seat, in particular to a warning method and device that uses temperature and pressure to sense whether a child is forgotten and generates different warning signals with time.

With the evolution of the times, modern people mostly use vehicle vehicles as a mobile tool for commuting and daily life. Since ordinary vehicles are provided with seat belts on each seat to provide passengers with a tie when they are riding, it is used for emergency braking or impact of the car to prevent the passengers from improper movement and collision to cause more serious injury, but because The younger children are smaller and cannot use the safety belt system generally equipped in vehicles. Therefore, the industry has developed vehicle safety seats to let small children use the safety seat and the vehicle seat belt system when riding in the vehicle. The safety of children in the car.

In recent years, it has often been heard in news media reports that parents and other drivers, due to negligence, eager to leave, etc., got out of the car when the car was turned off, and did not release the lock of the child safety seat. Left alone in a closed vehicle, due to the lack of resilience of children, when the driver and other passengers leave, leaving the child alone in the car, the child will be in a high-temperature closed vehicle space, which will cause sultry heat, etc. Heat exhaustion, resulting in shock or death. To avoid children suffocating and heat dying in vehicles, in addition to strengthening the inorganic awareness of drivers and other passengers, it also highlights the urgent need for existing car equipment to ensure the safety of children with low body size. And whether the alarm device is left in the vehicle.

Following the above, but the conventional child safety alarm device still has many kinds of deficiencies. For example, if the number of alarms is only once, it is easy for parents to ignore the alarm message, but the desired warning effect is not achieved, or the alarm signal is too sensitive, and it is often turned on for a short time. Car doors or flameouts cause loud alarm bells, which not only scare children in the car but also cause a lot of inconvenience.

In view of this, the above-mentioned lack of conventional technology, the present invention provides a safety warning method and device for a safety seat, which uses a temperature sensing device and a pressure sensing device to detect whether a child is forgotten on the safety seat, and The processing device on the seat calculates the change in time, and generates an audible alarm signal or a wireless alarm message in stages over time to resolve these deficiencies that exist in the conventional technology.

An object of the present invention is to provide a safety warning method for a safety seat, which obtains a first temperature value and a pressure value to detect whether a child is forgotten on the safety seat, and generates an alarm signal over time.

An object of the present invention is to provide a safety warning method for a safety seat, which uses a first temperature value, a pressure value and a biometric signal to detect whether a child is forgotten on the safety seat, and generates an alarm signal over time .

In order to achieve the above-mentioned purposes and effects, the present invention provides a safety warning method and device for a safety seat. The steps include: obtaining a first temperature value and a first pressure value of a first seat; When the first temperature value is greater than a preset temperature value and the first pressure value is greater than a first preset pressure value, a second pressure value of a second seat is obtained; when the second pressure value is less than a second preset value When setting the pressure value, a first time value is calculated; when the first time value is greater than a first preset time value, a first alarm signal is generated, and the above method is used to sense whether the child is forgotten on the safety seat , And the effect of generating an alarm signal over time.

In an embodiment of the invention, the step of obtaining a first temperature value and a first pressure value of a first seat further includes the step of: when the first temperature value is less than a predetermined temperature value and the first When the pressure value is less than a first preset pressure value, the first temperature value and the first pressure value of the first seat are obtained.

In an embodiment of the present invention, when the first temperature value is greater than a preset temperature value and the first pressure value is greater than a first preset pressure value, a second pressure value of a second seat is obtained After the step, the method further includes the step of obtaining the second pressure value of the second seat when the second pressure value is greater than a second predetermined pressure value.

In an embodiment of the present invention, the first alarm signal is an audio signal.

In an embodiment of the present invention, after the step of obtaining a first temperature value and a first pressure value of a first seat, when the second pressure value is less than a second preset pressure value, a first The step before a time value further includes the steps of: acquiring a biometric signal of the first seat; and when the first temperature value is greater than the preset temperature value, the first pressure value is greater than the first preset pressure value or When two of the biometric signals greater than a predetermined characteristic value are satisfied, a second pressure value of a second seat is obtained.

In an embodiment of the invention, when the first time value is greater than a first preset time value, the step of generating a first alarm signal further includes the step of: obtaining a second temperature value of the first seat , The third pressure value and obtaining a fourth pressure value of the second seat; when the second temperature value is greater than the preset temperature value, the third pressure value is greater than the first preset pressure value and the fourth When the pressure value is less than the second preset pressure value, a second time value is calculated; and when the second time value is greater than a second preset time value, a second alarm signal is generated.

In an embodiment of the present invention, the second alarm signal is a wireless signal.

In an embodiment of the present invention, when the second time value is greater than a second preset time value, the step of generating a second alarm signal further includes the step of: obtaining the first seat A third temperature value, the fifth pressure value and a sixth pressure value of the second seat; when the third temperature value is greater than the preset temperature value, the fifth pressure value is greater than the first preset pressure When the value and the sixth pressure value are less than the second preset pressure value, a third time value is calculated; and when the third time value is greater than a third preset time value, a third alarm signal is generated.

In an embodiment of the invention, the third alarm signal is a wireless signal.

In an embodiment of the present invention, the total time of the first preset time value, the second preset time value chair, and the third preset time value is less than 45 minutes.

In order to achieve the above-mentioned objectives and effects, the present invention provides a safety warning device for a safety seat, which includes: a processing device, a temperature sensing device, a first pressure sensing device, and at least a second pressure sensing device A temperature sensing device; the temperature sensing device is electrically connected to the processing device; the temperature sensing device sends a temperature signal to the processing device; the first pressure sensing device is electrically connected to the processing device and is disposed on the temperature sensing device On one side, the first pressure sensing device sends a first pressure signal to the processing device; the at least one second pressure sensing device is electrically connected to the processing device and sends a second pressure signal to the processing device, The above device is used to sense whether the child is forgotten on the safety seat and generate an alarm signal with the change of time.

In one embodiment of the present invention, a bio-sensing device is further included, which is electrically connected to the processing device, and the bio-sensing device sends a biometric signal to the processing device.

In one embodiment of the present invention, a wireless communication device is further included, which is electrically connected to the processing device.

In an embodiment of the present invention, the wireless communication device uses Bluetooth, GSM (Global System for Mobile Communications) or wifi.

In an embodiment of the invention, the processing device, the temperature sensing device, the first pressure sensing device, and the biological sensing device are disposed on a first seat.

In an embodiment of the invention, the at least one second pressure sensing device is disposed on a second seat.

In an embodiment of the present invention, the temperature signal includes a first temperature value, the first pressure signal includes a first pressure value, and the second pressure signal includes a second pressure value.

1‧‧‧Safety warning device for safety seat

10‧‧‧First seat

12‧‧‧Temperature sensing device

122‧‧‧Temperature signal

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142‧‧‧First pressure signal

16‧‧‧Biological sensing device

162‧‧‧Biometric signal

18‧‧‧Wireless communication device

20‧‧‧Processing device

22‧‧‧Wireless signal

30‧‧‧Second seat

32‧‧‧Second pressure sensing device

322‧‧‧Second pressure signal

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Figure 1: It is a schematic diagram of steps of an embodiment of the present invention; Figure 2: It is a schematic diagram of other steps of an embodiment of the present invention; Figure 3: It is a schematic diagram of an apparatus of an embodiment of the present invention; Figure 4: It is a schematic diagram of the steps of the second embodiment of the present invention; and FIG. 5 is a schematic diagram of the steps of the third embodiment of the present invention.

In order for your reviewing committee to have a better understanding and understanding of the features of the present invention and the achieved effects, the examples and supporting descriptions are accompanied by the following description: The present invention provides a safety warning method and device for a safety seat, which It obtains a first temperature value and a first pressure value of a first seat. When it is greater than the temperature preset value and the first preset pressure value, it obtains a second pressure value of a second seat. When it is less than the second preset pressure value, a first time value is calculated, when it is greater than the first preset time value, a first alarm signal is generated, and further, if the aforementioned value is still greater than its preset value, then calculate A second time, and a second alarm signal is generated to detect whether the child is forgotten in the safety seat, and the processing device on the seat calculates the time change, and generates the alarm signal over time, In order to judge whether the child stays in the car, the warning function of whether the child remains on the safety seat when driving away is achieved.

Please refer to FIG. 1, which is a schematic diagram of steps of an embodiment of the present invention. As shown in the figure, this embodiment is the first embodiment, which is a safety warning method and device for a safety seat. The steps include: step S01 : Obtain the first temperature value and the first pressure value of the first seat; Step S02: When the first temperature value is greater than the preset temperature value and the first pressure value is greater than the first preset pressure value, obtain the second seat Second pressure value; step S03: when the second pressure value is less than the second preset pressure value, calculate the first time value; and step S04: when the first time value is greater than the first preset time value, generate a first alarm Signal.

Referring again to FIG. 1 and FIG. 3, FIG. 3 is a schematic diagram of the device of the embodiment of the present invention. As shown in the figure, in this embodiment, the safety warning device 1 of the safety seat includes a processing device 20 electrically connected to a A temperature sensing device 12 and a first pressure sensing device 14, the temperature sensing device 12 sends a temperature signal 122 to the processing device 20, and the first pressure sensing device 14 sends a first pressure signal 144 to the processing Device 20, wherein the temperature signal 122 includes a first temperature value, and the first pressure signal 142 includes a first pressure value, in this embodiment, the temperature sensing device 12 and the first pressure sensing device 14 are further configured In a first seat 10, the processing device 20 may also be disposed in the first seat 10, and in step S01, the first temperature value and the first pressure value of the first seat 10 are obtained, which It is used to determine whether a child is on the first seat 10. In the preferred embodiment, the first seat 10 is a child safety seat and is located in a carrier, but the present invention is not limited thereto. The temperature sensing The device 12, the first pressure sensing device 14 and the processing device 20 can be separately arranged in the carrier, such as the temperature The sensing device 12 is arranged on the back of the front seat to sense the child in the rear seat. The first pressure sensing device 14 is arranged on the rear seat to sense the weight of the child above, and the processing device 20 may be a vehicle computer for the vehicle .

Referring again to FIGS. 1 and 3, as shown, the processing device 20 is electrically connected to a second pressure sensing device 32 to receive a second pressure signal 322 sent by the second pressure sensing device 32, The second pressure signal 322 includes a second pressure value. In this embodiment, the second pressure sensing device 32 is further disposed on a second seat 30. In step S02, the processing device 20 determines the first temperature Value and the first pressure value, when the first temperature value is greater than a preset temperature value and the first pressure value is greater than a first preset pressure value, the second pressure value of the second seat 30 is obtained; The step is used to determine whether passengers (such as parents) on other seats have left the seats. In a preferred embodiment, the second seat 30 may be a driver's seat or other seats in a vehicle, and the present invention is not limited thereto.

Referring again to FIG. 1 and FIG. 3, as shown in the figure, in step S03, the processing device 20 determines whether the magnitude of the second pressure value exceeds a second preset pressure value, when the second pressure value is less than the At the second preset pressure value, the processing device 20 calculates a first time value, that is, starts timing.

Following the above, in step S04, when the first time value is greater than a first preset time value, the processing device 20 generates a first alarm signal and obtains the first temperature value, the first pressure value and The second pressure value, and determine whether the magnitudes of the values are greater or less than the preset values for the next stage of the warning step; wherein, the first alarm signal is a sound signal, such as an anti-theft ringtone, used to cause Attention of pedestrians nearby.

Please refer to FIG. 2, which is a schematic diagram of other steps of the embodiment of the present invention. As shown in the figure, after step S04 of this embodiment, it is further included in the steps: Step S05: Obtain the second temperature value and the third pressure value of the first seat and obtain the fourth pressure value of the second seat; Step S06: When the second temperature value is greater than the preset temperature value and the third pressure value is greater than the When a preset pressure value and the fourth pressure value are less than the second preset pressure value, the second time value is calculated; and Step S07: When the second time value is greater than the second preset time value, a second alarm signal is generated.

Following the above, in step S05, in order to determine whether the child was taken away or taken out of danger after the first alarm, it is again determined whether the first seat 10 has a child, so it is necessary to obtain the first seat 10 Two temperature values, the third pressure value of the first seat 10, and then determine whether other passengers are on the seat, and obtain the fourth pressure value of the second seat 30.

Following the above, in step S06, when the second temperature value is greater than the preset temperature value, the third pressure value is greater than the first preset pressure value and the fourth pressure value is less than the second preset pressure value, ie The representative child is still on the first seat 10, and the other passengers have left on the second seat 30, the processing device 20 calculates a second time value.

Following the above, in step S07, when the second time value is greater than a second preset time value, the processing device 20 generates a second alarm signal, wherein the second alarm signal is a wireless signal 22, preferably In the embodiment, the processing device 20 is electrically connected to a wireless communication device 18. The wireless communication device 18 can also be installed in the first seat 10 together with the processing device 20. The wireless communication device 18 can use Bluetooth, GSM (Global System for Mobile Communications) or wifi sends the second alarm signal, but the invention is not limited to this, it can also be other conventional wireless communication methods, the second alarm signal is wirelessly sent to the mobile device to remind parents and passengers , Children are still in the car, such as sending a warning signal to the mobile APP.

Following the above, in this embodiment, the temperature sensing device 12 uses a conventional infrared temperature sensor, and the first and second pressure sensing devices 12, 32 use a conventional pressure sensor (Pressure Sensor) , Such as FlexiForce A201 Sensor, but this case is not restricted here.

Following the above, after step S01 in this embodiment, it further includes steps: step S08 (not shown): when the first temperature value is less than the preset temperature value and the first pressure value is less than the first preset pressure value, obtain The first temperature value and the first pressure value of the first seat.

The above step S08 is another condition of step S02. When the first temperature value is less than the preset temperature value and the first pressure value is less than the first preset pressure value, the value of the first seat 10 is continuously monitored and Returning to step S01, that is, obtaining the first temperature value and the first pressure value of the first seat 10; the above step S08 can also be applied to the situation where the second temperature value of step S06 is less than the preset temperature value .

Following the above, step S02 in this embodiment further includes steps: step S09 (not shown in the figure): when the second pressure value is greater than the second preset pressure value, the second pressure value of the second seat is obtained.

The above step S09 is another condition of step S03. When the second pressure value of the second seat 10 is greater than the second preset pressure value, return to step S02 to continuously monitor the second pressure of the second seat 10 Two pressure values; the above step S09 can also be applied to the case where the fourth pressure value in step S06 is less than the second pressure value.

Here, the first embodiment of the present invention provides a safety warning method and device for a safety seat, which uses a temperature sensing device and a pressure sensing device to detect the first temperature value of a child in the first seat The first pressure value, and determine whether the child is forgotten on the first seat (such as a safety seat) Signal and the second alarm signal, to solve the problem that the alarm device has only a single sensing method and the alarm has only one-time missing in the conventional technology.

Please refer to FIG. 4, which is a schematic diagram of the steps of the second embodiment of the present invention. As shown in the figure, this embodiment is based on the first embodiment and replaces step S02 with steps S12 and S13 in the second embodiment. The steps include: Step S11: Obtain the first temperature value and the first pressure value of the first seat; Step S12: Obtain the biometric signal of the first seat; Step S13: When the first temperature value is greater than the preset temperature Value, the first pressure value is greater than the first preset pressure value or the biometric signal is greater than the preset characteristic value, two of them are satisfied, the second pressure value of the second seat is obtained; Step S14: when the second pressure value is less than the second When the two preset pressure values are calculated, the first time value is calculated; step S15: when the first time value is greater than the first preset time value, a first alarm signal is generated; step S16: obtaining the second temperature value of the first seat, The third pressure value and the fourth pressure value of the second seat are obtained; Step S17: When the second temperature value is greater than the preset temperature value, the third pressure value is greater than the first preset pressure value, and the fourth pressure value is less than the second preset value When the pressure value is set, the second time value is calculated; and Step S18: When the second time value is greater than the second preset time value, a second alarm signal is generated.

Referring again to FIGS. 3 and 4, as shown in the figure, in step S12, the processing device 20 is electrically connected to the bio-sensing device 16, and the bio-sensing device 16 sends out a biometric signal 162 to the processing device 20. In a preferred embodiment, the biological sensing device 16 is provided in The first seat 10 allows the processing device 20 to obtain the biometric signal 162 of the child on the first seat 10, wherein the bio-sensing device 16 is a conventional sensing device such as HC of TAIWANIOT -SR501, which can sense the motion of an object, but the invention is not limited thereto.

Continuing the above, in step S13, when the first temperature value is greater than the preset temperature value, the first pressure value is greater than the first preset pressure value, or the biometric signal is greater than the preset feature value, two of them are satisfied At this time, the second pressure value of the second seat 30 is obtained, which prevents the processing device 20 from misjudging. Compared with the first embodiment, this embodiment adds a biometric discrimination guarantee to reduce the occurrence of misjudgment, such as The hot weather led to a higher temperature in the vehicle, which caused the temperature sensing device to misjudge that a child was on the seat.

Steps S11, S14 to S18 in this embodiment are the same steps as steps S1, S3 to S7 in the first embodiment described above, so they will not be repeated here.

Please refer to FIG. 5, which is a schematic diagram of the steps of the third embodiment of the present invention. As shown in the figure, this embodiment is based on the above-mentioned first embodiment, and the steps S28, S29, and S30 are added after step S07. The steps include: Step S21: Obtain the first temperature value and the first pressure value of the first seat; Step S22: When the first temperature value is greater than the preset temperature value and the first pressure value is greater than the first preset pressure value To obtain the second pressure value of the second seat; step S23: when the second pressure value is less than the second preset pressure value, calculate the first time value; step S24: when the first time value is greater than the first preset time value , A first alarm signal is generated; step S25: obtaining the second temperature value, the third pressure value of the first seat and the fourth pressure value of the second seat; Step S26: When the second temperature value is greater than the preset temperature value, the third pressure value is greater than the first preset pressure value, and the fourth pressure value is less than the second preset pressure value, calculate a second time value; Step S27: When the When the second time value is greater than the second preset time value, a second alarm signal is generated; step S28: obtaining the third temperature value, the fifth pressure value of the first seat and obtaining the sixth pressure value of the second seat; step S29 : When the third temperature value is greater than the preset temperature value, the fifth pressure value is greater than the first preset pressure value, and the sixth pressure value is less than the second preset pressure value, calculate a third time value; and Step S30: When the third When the time value is greater than the third preset time value, a third alarm signal is generated.

Referring again to FIGS. 3 and 5, as shown in the figure, in step S28, the processing device 20 obtains the third temperature value, the fifth pressure value and the sixth value of the child on the first seat 10 Pressure value to determine whether the child is on the first seat 10 and whether other passengers are not on the second seat 30; in step S29, when the third temperature value is greater than the preset temperature value, the fifth pressure value is greater than When the first preset pressure value and the sixth pressure value are less than the second preset pressure value, a third time value is calculated, that is, the timing is started.

Following the above, in step S30, when the third time value is greater than a third preset time value, the processing device 20 generates a third alarm signal (not shown), wherein the third alarm signal is a The wireless signal 22, in the preferred embodiment, is sent by the wireless communication device 18 included in the first seat 10, which can use Bluetooth, GSM (Global System for Mobile Communications) or wifi, but the present invention is not Due to this limitation, the third alarm signal is sent to the remote device indefinitely, such as a police station, fire brigade or hospital for final protection; The sum of the time of the first preset time value, the second preset time value chair and the third preset time value is less than 45 minutes to prevent children from flowing in the vehicle for too long and missing the prime time for rescue.

Steps S21 to S27 in this embodiment are the same as steps S1 to S7 in the first embodiment described above, so they are not repeated here. In addition, steps S28 and S30 in this embodiment can also be continued from the steps in the second embodiment After S18, to achieve better effect.

The safety warning device of the safety seat of the present invention has been described and described together in the safety warning method of the above safety seat, so it will not be repeated here.

In summary, the present invention provides a safety warning method and device for a safety seat, which uses a temperature sensing device and a pressure sensing device to detect the first temperature value of the child in the first seat, that is, the first pressure value, And determine whether the child is forgotten on the first seat (such as a safety seat), and the processing device calculates the first and second time, and generates the first alarm signal and the second alarm signal over time to solve the alarm in the conventional technology There is only a single sensing method and the alarm is only one-time missing. The present invention further incorporates a biological sensing device to reduce the occurrence of misjudgments, as well as adding a direct alarm or warning method for contacting emergency units to ensure that children can be rescued in the event of heat failure crisis.

Therefore, the present invention is truly novel, progressive and available for industrial use. It should meet the patent application requirements of my country's Patent Law. It is undoubtedly necessary to file an invention patent application in accordance with the law and pray for the early grant of patents.

However, the above is only an embodiment of the present invention and is not intended to limit the scope of the present invention. Therefore, all changes and modifications based on the shape, structure, features and spirit described in the patent application scope of the present invention are cited. All should be included in the patent application scope of the present invention.

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Claims (9)

A safety warning method for a safety seat, the steps include: obtaining a first temperature value and a first pressure value of a first seat; when the first temperature value is greater than a preset temperature value and the first pressure value When it is greater than a first preset pressure value, a second pressure value of a second seat is obtained; when the second pressure value is less than a second preset pressure value, a first time value is calculated; when the first When the time value is greater than a first preset time value, a first alarm signal is generated; a second temperature value of the first seat, a third pressure value, and a fourth pressure value of the second seat are obtained When the second temperature value is greater than the preset temperature value, the third pressure value is greater than the first preset pressure value and the fourth pressure value is less than the second preset pressure value, a second time value is calculated; And when the second time value is greater than a second preset time value, a second alarm signal is generated. The safety warning method for a safety seat according to claim 1, wherein the step of obtaining a first temperature value and a first pressure value of a first seat further includes the step of: when the first temperature value is less than a predetermined value When the temperature value and the first pressure value are less than a first preset pressure value, the first temperature value and the first pressure value of the first seat are obtained. The safety warning method for a safety seat according to claim 1, wherein when the first temperature value is greater than a preset temperature value and the first pressure value is greater than a first preset pressure value, a second seat is obtained After one of the steps of the second pressure value, the method further includes the step of: when the second pressure value is greater than a second preset pressure value, acquiring the second pressure value of the second seat. The safety warning method for a safety seat as described in claim 1, wherein the first alarm signal is A sound signal. The safety warning method for a safety seat according to claim 1, wherein after the step of obtaining a first temperature value and a first pressure value of a first seat, when the second pressure value is less than a second preset For the pressure value, the step before calculating a first time value further includes the steps of: obtaining a biometric signal of the first seat; and when the first temperature value is greater than a preset temperature value, the first pressure value is greater than one When two of the first predetermined pressure value or the biometric signal greater than a predetermined characteristic value are satisfied, a second pressure value of a second seat is obtained. The safety warning method for a safety seat according to claim 1, wherein the second alarm signal is a wireless signal. The safety warning method for a safety seat according to claim 1, wherein when the second time value is greater than a second preset time value, the step of generating a second alarm signal further includes the step of: obtaining the first seat A third temperature value, a fifth pressure value, and a sixth pressure value of the second seat; when the third temperature value is greater than the preset temperature value, the fifth pressure value is greater than the first When the set pressure value and the sixth pressure value are less than the second preset pressure value, a third time value is calculated; and when the third time value is greater than a third preset time value, a third alarm signal is generated. The safety warning method for a safety seat as described in claim 7, wherein the third alarm signal is a wireless signal. The safety warning method for a safety seat according to claim 7, wherein the sum of the time of the first preset time value, the second preset time value chair and the third preset time value is less than 45 minutes.

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