CN216435145U

CN216435145U - Tumble alarm device

Info

Publication number: CN216435145U
Application number: CN202122650741.2U
Authority: CN
Inventors: 韩建涛
Original assignee: Shenzhen Shuliantianxia Intelligent Technology Co Ltd
Current assignee: Shenzhen Shuliantianxia Intelligent Technology Co Ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-05-03
Anticipated expiration: 2031-11-01

Abstract

An embodiment of the utility model provides a fall alarm device, include: a main body portion; the hook part is mechanically connected with the main body part and is used for being worn on the ear of a user and enabling the main body part to be in contact with the ear of the user; a controller provided to the main body; the blood oxygen detector is arranged on the main body part and electrically connected with the controller and is used for acquiring the pulse rate value and the blood oxygen saturation of the user; the air pressure sensor is arranged on the main body part and is electrically connected with the controller, and the air pressure sensor is used for collecting air pressure; the acceleration sensor is arranged on the main body part and electrically connected with the controller, and is used for acquiring acceleration; the alarm is arranged on the main body part and is electrically connected with the controller, and the alarm is used for sending alarm information. The utility model provides a fall alarm device can improve the accuracy of falling action discernment and improve user's experience and feel.

Description

Tumble alarm device

Technical Field

The embodiment of the utility model provides a relate to intelligence wearing equipment field, in particular to alarm device tumbles.

Background

The incidence of falling of old people is very high, and generally can cause great injury, if can not discover in time, even probably endanger life, therefore, the development of falling alarm technology is especially important to the timely discovery and the treatment after the old people falls. Currently, the falling action is mostly recognized by using an acceleration sensor and a heart rate sensor, and the accuracy rate is low; in addition, in the prior art, the fall alarm device is usually designed as an earphone or a watch (bracelet) for wearing convenience, but the earphone may affect normal hearing effects, and the user feels uncomfortable even may have impaired hearing if the earphone is worn for a long time, and the watch (bracelet) may cause misjudgment due to some large action amplitude when the user normally moves.

Disclosure of Invention

The embodiment of the utility model provides a fall alarm device can improve the accuracy of falling action discernment and improve user's experience and feel.

In order to solve the above technical problem, an embodiment of the present invention adopts a technical solution that:

a fall alarm device comprising:

a main body portion;

the hook part is mechanically connected with the main body part and is used for being worn on the ear of a user and enabling the main body part to be in contact with the ear of the user;

a controller provided to the main body portion;

the blood oxygen detector is arranged on the main body part and electrically connected with the controller, and is used for acquiring the pulse rate value and the blood oxygen saturation of the user and transmitting the pulse rate value and the blood oxygen saturation to the controller;

the air pressure sensor is arranged on the main body part and electrically connected with the controller, and is used for collecting air pressure and transmitting the air pressure to the controller;

the acceleration sensor is arranged on the main body part and electrically connected with the controller, and is used for acquiring acceleration and transmitting the acceleration to the controller;

the controller is used for storing the pulse rate value, the blood oxygen saturation, the gas pressure and the acceleration;

the alarm is arranged on the main body part and electrically connected with the controller and used for sending alarm information.

In some embodiments, the fall alarm device further comprises a temperature and humidity sensor, the temperature and humidity sensor is arranged on the main body part and electrically connected with the controller, and the temperature and humidity sensor is used for collecting temperature and humidity and transmitting the temperature and the humidity to the controller.

In some embodiments, the fall warning device further includes a locator, the locator is disposed on the main body portion and electrically connected to the controller, and the locator is configured to acquire position information and transmit the position information to the controller.

In some embodiments, the tumble alarm earring further comprises a bluetooth module, the bluetooth module is disposed on the main body portion and electrically connected to the controller, and the bluetooth module is configured to send the alarm information and the location information through bluetooth.

In some embodiments, the fall warning device further includes a gas sensor disposed on the main body portion and electrically connected to the controller, the gas sensor being configured to collect gas information and transmit the gas information to the controller.

In some embodiments, the fall alarm device further comprises a power supply circuit, the power supply circuit is disposed on the main body portion and is respectively electrically connected with the controller, the blood oxygen detector, the air pressure sensor, the acceleration sensor and the alarm, and the power supply circuit is used for supplying power to the controller, the blood oxygen detector, the air pressure sensor, the acceleration sensor and the alarm.

In some embodiments, the alarm is an indicator light or a buzzer.

In some embodiments, the blood oxygen detector comprises a blood oxygen sensor and a heart rate sensor.

In some embodiments, the power supply circuit includes a wireless charging receiver and a battery electrically connected to the wireless charging receiver, the wireless charging receiver being configured to receive electrical energy and charge the battery.

In some embodiments, the controller is a single chip.

The utility model discloses embodiment's beneficial effect is: different from the prior art, the utility model provides a fall alarm device, wear in the ear of human body, because when the user falls down, the height of baroceptor can take place obvious change (the gas pressure changes greatly), consequently, the controller obtains the difference in height through converting the gas pressure change value that baroceptor gathered to this comes the discernment to fall down the action; at this time, the acceleration of the user in each direction also changes, the controller obtains a corresponding speed value and a corresponding displacement value by performing primary integration and secondary integration on the acceleration acquired by the acceleration sensor, and obtains the movement track of the user according to the speed value and the displacement value, so that the falling action is recognized. When the acquired data of the gas sensor and the acceleration sensor can represent the falling action, namely the user is shown to have fallen, compared with the mode of only using a single detection source such as the acceleration sensor or the heart rate sensor, the possibility of misjudgment of the falling action is reduced, and therefore the accuracy of falling identification is improved; the tumble alarm device is worn on the ear of a user, so that the enough height difference of the air pressure sensor is ensured when the user tumbles, and the probability of small error misjudgment is reduced; and compared with the wearing style of the earphone, the utility model also reduces the uncomfortable feeling of the user and avoids the influence on the hearing. In addition, because the user falls down the back, user's oxyhemoglobin saturation and pulse rate value all can take place great change, and the controller is still according to user when falling down, oxyhemoglobin saturation and pulse rate value of blood oxygen detector transmission, control alarm and send alarm information to make the user can obtain timely rescue.

Drawings

One or more embodiments are illustrated by the accompanying figures in the drawings that correspond thereto and are not to be construed as limiting the embodiments, wherein elements/modules and steps having the same reference numerals are represented by like elements/modules and steps, unless otherwise specified, and the drawings are not to scale.

Fig. 1 is a schematic structural view of a fall alarm device according to an embodiment of the present invention.

Fig. 2 is a schematic block diagram of a fall alarm device according to an embodiment of the present invention.

Fig. 3 is a schematic block diagram of a fall alarm device according to another embodiment of the present invention.

Detailed Description

The present application will be described in detail with reference to specific examples. The following examples will aid those skilled in the art in further understanding the present application, but are not intended to limit the invention in any way. It should be noted that various changes and modifications can be made by one skilled in the art without departing from the spirit of the application. All falling within the scope of protection of the present application.

In order to facilitate an understanding of the present application, the present application is described in more detail below with reference to the accompanying drawings and specific embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application.

It should be noted that, if not conflicting, various features of the embodiments of the present invention may be combined with each other and all are within the scope of protection of the present application. In addition, although the functional blocks are divided in the device diagram, in some cases, they may be divided differently from the blocks in the device.

Referring to fig. 1 and 2 together, fig. 1 shows a schematic structural view of a fall alarm device, and fig. 2 shows a schematic block diagram of a fall alarm device. The fall alarm device 10 includes a hook 101, a main body 102, a controller 1020, a blood oxygen detector 1021, an air pressure sensor 1022, an acceleration sensor 1023, and an alarm 1024, wherein the controller 1020, the blood oxygen detector 1021, the air pressure sensor 1022, the acceleration sensor 1023, and the alarm 1024 are all disposed on the main body 102.

The hook part 101 is mechanically connected with the main body part 102, the hook part 101 is used for being worn on the ear of a user, and the main body part 102 is contacted with the ear of the user; the blood oxygen detector 1021, the air pressure sensor 1022, the acceleration sensor 1023 and the alarm 1024 are all electrically connected with the controller 1020.

The blood oxygen detector 1021 is used for collecting the blood oxygen saturation level and the pulse rate value of the user, and transmitting the blood oxygen saturation level and the pulse rate value to the controller 1020. The pressure sensor 1022 is used to collect the pressure of the gas and transmit the pressure of the gas to the controller 1020. The acceleration sensor 1023 is configured to acquire accelerations in the respective directions of the hook portion 101 and the main body portion 102 and transmit the accelerations to the controller 1020. The alarm 1024 is used for sending alarm information.

The controller 1020 is used for judging whether the main body part 102 is in contact with the ear of the user according to the pulse rate value and the blood oxygen saturation, when the pulse rate value and the blood oxygen saturation are not received by the controller 1020, the main body part 102 is not in contact with the ear of the user, furthermore, the controller 1020 also judges the height changes of the hook part 101 and the main body part 102 according to the gas pressure, judges whether the movement speed and the displacement of the hook part 101 and the main body part 102 are changed according to the acceleration, when the main body part 102 is in contact with the ear of the user, and the height changes of the hook part 101 and the main body part 102 are large and the movement speed and the displacement of the hook part 101 and the main body part 102 are large, judges that the user falls down, and the controller 1020 controls the alarm 1024 to send alarm information to prompt the user to fall down.

The operation of the fall alarm device 10 is as follows: when the fall alarm device 10 is powered on, the blood oxygen detector 1021 is started firstly, when the controller 1020 receives the pulse rate value and the blood oxygen saturation level collected by the blood oxygen detector 1201, it indicates that the user wears the fall alarm device 10, and at this time, the air pressure sensor 1022, the acceleration sensor 1023 and the alarm 1024 are controlled to enter a working state, and if the user does not wear the fall alarm device 10, the air pressure sensor 1022, the acceleration sensor 1023 and the alarm 1024 are not started, so that the electric quantity is saved, and misjudgment of non-fall actions (such as throwing, accidental falling and the like) is prevented; when the tumble alarm device 10 worn by the user is detected, the air pressure sensor 1022 is started to collect air pressure, and the acceleration sensor 1023 is started to collect acceleration of the hook part 101 and the main body part 102 in all directions; the controller 1020 receives the pulse rate value and the blood oxygen saturation from the blood oxygen detector 1021, the gas pressure of the gas pressure sensor 1022, and the acceleration of the acceleration sensor 1023, stores and processes the pulse rate value, the blood oxygen saturation, the gas pressure, and the acceleration, and determines whether the user falls down according to the data processing result.

When a user falls down, the height, the movement speed and the displacement of the fall-down alarm device 10 all change obviously, so that when the difference value (height difference after conversion) of the gas pressure acquired by the gas pressure sensor 1022 in two adjacent times exceeds the threshold range and the human body movement track obtained according to the speed and displacement value obtained after the acceleration of the acceleration sensor 1023 is subjected to integral processing exceeds the preset track range value within the preset time, the user is judged to fall down; when the judgment result is that the user falls down, the controller 1020 starts the alarm 1024 to send alarm information to the outside so that the user can be found and treated in time.

In this embodiment, the fall warning device 10 is designed as an ear hook, and in other embodiments, the fall warning device 10 may also be designed as an ear nail or an ear clip, etc., without limitation to the mechanical structure thereof, as long as it can be worn on the ear of the user and the main body 102 thereof can be in contact with the ear of the user.

In some embodiments, the main body of the fall alarm device 10 may be as close to the ear lobe of the user as possible, so that the blood oxygen saturation and the pulse rate of the user are collected from the ear lobe, and since the ear lobe of the human body has abundant blood vessels and the relevant biological signals are stable, a more stable signal is obtained by collecting the relevant signals from the ear lobe, thereby further improving the accuracy of the measurement result.

Be different from prior art, the utility model provides a fall alarm device, the device include hook portion and main part, hook portion and main part mechanical connection. The hook part is used for being worn on the ear of a human body, the main body part is in contact with the ear of a user, and the main body part is provided with a blood oxygen detector, an air pressure sensor, an acceleration sensor and an alarm. When a user falls down, the height of the air pressure sensor can be obviously changed (the air pressure intensity is changed), so that the controller converts the air pressure intensity change value acquired by the air pressure sensor to obtain a height difference, and the falling action is identified; at this time, the acceleration of the user in each direction also changes, the controller obtains a corresponding speed value and a corresponding displacement value by performing primary integration and secondary integration on the acceleration acquired by the acceleration sensor, and obtains the movement track of the user according to the speed value and the displacement value, so that the falling action is recognized. When the acquired data of the gas sensor and the acceleration sensor can represent the falling action, the falling action is shown to happen to the user, and compared with a mode of only using a single detection source such as the acceleration sensor or the heart rate sensor, the possibility of misjudgment of the falling action is reduced, so that the accuracy of falling identification is improved; the tumble alarm device is worn on the ear of a user, so that the enough height difference of the air pressure sensor is ensured when the user tumbles, and the probability of small error misjudgment is reduced; and compared with the wearing style of the earphone, the uncomfortable feeling of the user is reduced, and the influence on the hearing is avoided. In addition, because the user falls down the back, user's oxyhemoglobin saturation and pulse rate value all can take place great change, and the controller is still according to user when falling down, oxyhemoglobin saturation and pulse rate value of blood oxygen detector transmission, control alarm and send alarm information to make the user can obtain timely rescue.

In some embodiments, referring to fig. 2 again, the fall alarm device 10 further includes a temperature and humidity sensor 1025, and the temperature and humidity sensor 1025 is disposed on the main body portion 102 and electrically connected to the controller 1020. The temperature and humidity sensor 1025 is used for collecting the temperature and humidity of the surrounding environment of the fall alarm device 10 and transmitting the temperature and humidity to the controller 1020. The controller 1020 can judge the environment where the user is located according to the temperature and the humidity, and when the user is in the environment with the higher temperature and the higher humidity, the controller 1020 can send out prompt information through the alarm 1024 to prompt the user to prevent slipping.

In some embodiments, referring again to fig. 2, the fall warning device 10 further includes a locator 1026, and the locator 1026 is disposed on the main body 102 and electrically connected to the controller 1020. The locator 1026 is used to acquire the location information of the fall warning device 10 and transmit the location information to the controller 1020. After the user falls, the fall alarm device 10 can be sent to the terminal equipment according to the position information, and the holder of the terminal equipment can rapidly position the fall position of the user through the position information, so that the user can be rapidly treated. The terminal equipment can be a mobile phone, a tablet computer and the like.

In some embodiments, referring to fig. 2 again, the fall alarm device 10 further includes a bluetooth module 1027, and the bluetooth module 1027 is disposed in the main body 102 and electrically connected to the controller 1020. The bluetooth module 1027 is configured to send alarm information and location information via bluetooth. The bluetooth module 1027 may communicate with the terminal device through bluetooth. The bluetooth module 1027 may also transmit information such as temperature, humidity, pulse rate value, blood oxygen saturation, gas pressure and acceleration to the terminal device via bluetooth. Through setting up bluetooth module 1027, fall alarm device 10 can realize the information transmission with terminal equipment, and bluetooth module 1027's low power dissipation is favorable to reducing the consumption of fall alarm device 10 moreover.

In some embodiments, referring again to fig. 2, the fall warning device 10 further includes a gas sensor 1028, and the gas sensor 1028 is disposed on the main body portion 102 and electrically connected to the controller 1020. The gas sensor 1028 is used for collecting gas information of the tumble warning device 10, the gas information may include gas concentrations of gases such as carbon monoxide, methane and hydrogen sulfide, the controller 1020 may prompt a user of the gas concentration condition of the environment according to the gas information, and when the gas concentration exceeds a preset concentration value, the controller 1024 controls the alarm 1024 to send out prompt information to prompt the user to keep away from the environment. When the user falls down, the gas information is also sent to the terminal equipment through the Bluetooth module 1027, so that the rescuer can make a corresponding rescue scheme and configure targeted rescue equipment according to the air condition on site.

In some embodiments, referring to fig. 2 again, the fall alarm device 10 further includes a power supply circuit 1029, the power supply circuit 1029 is disposed in the main body portion 102 and electrically connected to the controller 1020, the blood oxygen detector 1021, the air pressure sensor 1022, the acceleration sensor 1023, the alarm 1024, the temperature and humidity sensor 1025, the locator 1026, the bluetooth module 1027 and the gas sensor 1028, respectively. The power supply circuit 1029 is used for supplying power to the controller 1020, the blood oxygen detector 1021, the air pressure sensor 1022, the acceleration sensor 1023, the alarm 1024, the temperature and humidity sensor 1025, the locator 1026, the bluetooth module 1027 and the gas sensor 1028. By providing the power supply circuit 1029, the power supply of the fall alarm device 10 can be ensured, and the fall alarm device 10 is light and portable.

In some embodiments, the alarm 1024 is an indicator light or a buzzer, and in other embodiments, the alarm 1024 may also be a voice prompt device or the like.

In some embodiments, blood oxygen detector 1021 includes a blood oxygen sensor and a heart rate sensor, both of which are electrically connected to controller 1020. The blood oxygen sensor is used for collecting the blood oxygen saturation of the user and transmitting the blood oxygen saturation to the controller 1020, and the heart rate sensor is used for collecting the pulse rate value of the user and transmitting the pulse rate value to the controller 1020. Blood oxygen sensor passes through ruddiness and infrared ray and sees through user's ear and obtains user's oxyhemoglobin saturation, and blood oxygen sensor adopts the signal acquisition mode of transmissive, can make the oxyhemoglobin saturation who obtains of gathering more stable and accurate.

In some embodiments, the power supply circuit 1029 includes a wireless charging receiver for receiving electrical energy and charging a battery electrically connected to the wireless charging receiver. Further, the fall alarm device 10 may be charged through the storage box. Through adopting wireless charging mode, can satisfy the demand of charging of tiny device.

In other embodiments, the power supply circuit 1029 may be charged by wired charging, but the charging method and the type of the battery are not limited herein.

In some embodiments, the controller 1020 may be a single-chip microcomputer.

In some embodiments, referring to fig. 3, fig. 3 shows a functional block diagram of the fall alarm device 10 in one embodiment.

The controller 1020 selects an ultra-low power consumption AMA3B1KK-KBR chip, which integrates an ultra-low power consumption M4 kernel and a ble5.0 chip, and has rich communication interfaces including UART, I2C, SPI, GPIO and the like; the blood oxygen sensor in the blood oxygen detector 1021 is of an AS703RB model, has high sensitivity and signal-to-noise ratio, can efficiently run with low light output power of an LED, is beneficial to prolonging the running time of equipment powered by a small battery and reducing the charging times of the battery; the heart rate sensor in the blood oxygen detector 1021 is HRS3300, and the sensor has the advantages of low power consumption, small size, high measurement accuracy and the like; the model of the air pressure sensor 1022 is BMP390, and the chip is characterized in that the height difference of minimum 25cm can be distinguished; the model of the acceleration sensor 1023 is bma400, and the chip is a triaxial acceleration sensor with the lowest power consumption at present; the alarm 1024 selects an LED indicator light and/or a buzzer; the model of the temperature and humidity sensor 1025 is SHT21, and the chip is small in size, stable in working performance and high in measurement accuracy; the locator 1026 is a GPRS locator; bluetooth module 1027 is a ble5.0 chip and a ble5.0 antenna in AMA3B1KK-KBR chip, and realizes short-distance Bluetooth transmission; the model of the gas sensor 1028 is HGS008, and the sensor has the characteristics of low power consumption, good stability and good shock resistance; the power supply circuit 1029 includes a wireless charging receiver and a battery.

The operation of the fall alarm device 10 is as follows:

(1) starting the fall alarm device 10, wherein the battery supplies power to all modules of the fall alarm device 10;

(2) judging whether the user wears the fall alarm device 10, specifically, when the AMA3B1KK-KBR chip receives the blood oxygen saturation level and the pulse rate value acquired by the AS703RB chip and the HRS3300 chip, it indicates that the user wears the fall alarm device 10;

(3) when the tumble alarm device 10 worn by a user is detected, the BMP390 chip is used for collecting the air pressure, and the bma400 chip is used for collecting the acceleration of the tumble alarm device 10 in each direction of the hook part 101 and the main body part 102; the AMA3B1KK-KBR chip receives the gas pressure acquired by the BMP390 chip and the acceleration acquired by the bma400 chip, processes the gas pressure and the acceleration, and judges whether the user falls down according to the data processing result. Specifically, when the difference value operation is carried out on the gas pressure of two adjacent times collected by a BMP390 chip within the preset interval time, the difference value operation is converted into a height difference value, the height difference value exceeds a threshold value range, the acceleration collected by a bma400 chip is subjected to primary integration and secondary integration to obtain speed and displacement, and the user is judged to fall when the user motion track obtained according to the speed and the displacement accords with the human body falling action characteristics;

(4) when the judgment result is that the user falls down, the AS703RB chip, the HRS3300 chip, the SHT21 chip, the GPRS positioner and the HGS008 sensor are used for collecting the blood oxygen saturation, the pulse rate value, the temperature and humidity of the surrounding environment, the position information and the gas condition of the surrounding environment in real time and sending the collected information to the AMA3B1KK-KBR chip, meanwhile, a processor in the AMA3B1KK-KBR chip sends a fall-down prompt signal to the ble5.0 chip, and the ble5.0 chip sends alarm information to the outside through the ble5.0 antenna after receiving the fall-down prompt signal, wherein the alarm information comprises the blood oxygen saturation of the user, the temperature and humidity of the surrounding environment, the position information, the gas condition of the surrounding environment and the like.

It should be noted that the above-described embodiments are merely illustrative, wherein the units described as separate parts may or may not be physically separate, and the parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; within the idea of the invention, also technical features in the above embodiments or in different embodiments can be combined, steps can be implemented in any order, and there are many other variations of the different aspects of the invention as described above, which are not provided in detail for the sake of brevity; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. A fall alarm device, comprising:

a main body portion;

a controller provided to the main body portion;

2. The fall alarm device according to claim 1, further comprising a temperature and humidity sensor disposed on the main body and electrically connected to the controller, wherein the temperature and humidity sensor is configured to collect temperature and humidity and transmit the temperature and humidity to the controller.

3. The fall alarm device according to claim 1, further comprising a locator disposed on the main body and electrically connected to the controller, the locator being configured to acquire and transmit position information to the controller.

4. The fall alarm device according to claim 3, further comprising a Bluetooth module, wherein the Bluetooth module is disposed on the main body and electrically connected to the controller, and the Bluetooth module is configured to send the alarm information and the location information via Bluetooth.

5. The fall alarm device according to claim 1, further comprising a gas sensor disposed on the main body portion and electrically connected to the controller, the gas sensor being configured to collect and transmit gas information to the controller.

6. The fall alarm device according to claim 1, further comprising a power supply circuit, said power supply circuit being disposed on said main body portion and electrically connected to said controller, said blood oxygen detector, said air pressure sensor, said acceleration sensor and said alarm, respectively, said power supply circuit being configured to supply power to said controller, said blood oxygen detector, said air pressure sensor, said acceleration sensor and said alarm.

7. A fall alarm device as claimed in claim 1, characterised in that the alarm is an indicator light or a buzzer.

8. The fall alarm device according to claim 1, wherein said blood oxygen detector comprises a blood oxygen sensor and a heart rate sensor.

9. The fall alarm device according to claim 6, wherein the power supply circuit comprises a wireless charging receiver and a battery electrically connected to the wireless charging receiver, the wireless charging receiver being configured to receive electrical energy and charge the battery.

10. The fall alarm device of claim 1, wherein the controller is a single-chip microcomputer.