Emergency call device

Abstract

The utility model provides an emergency call device which comprises a shell and a wireless button, a master control MCU, a millimeter wave radar, a communication module, a local voice assembly, a signal processing circuit, a storage module and a buzzer are arranged in the shell, the millimeter wave radar is connected with the signal processing circuit, the signal processing circuit is connected with the master control MCU, and the wireless button is connected with the communication module. The signal processing circuit is used for receiving radar signals and processing the radar signals, the master control MCU is connected with the local voice assembly, the communication module, the button assembly, the storage module and the buzzer, and the master control MCU is in communication connection with the wireless button and the background server through the communication module. The device is easy to operate and suitable for old people to use; vital signs of old people can be monitored at ordinary times, when data of the vital signs go wrong, the system can be in data interconnection with a rescue platform through a voice wake-up alarm function, and the system can also give an alarm autonomously through a key.

Description

Technical Field

[0001] The utility model belongs to the field of health monitoring, and in particular relates to an emergency call device. Background Art

[0002] Currently, ensuring home safety for special elderly groups, such as those experiencing advanced age, empty nesters, those living alone, and those receiving minimum living allowances, is difficult. These groups face high safety risks at home, and conventional home-based elderly care programs struggle to comprehensively address the diverse life scenarios of home-based care. Local service agencies often implement elderly care programs with limited budgets, while the majority of seniors have limited ability and willingness to pay. Existing emergency call devices offer complex and diverse functions, creating confusion for seniors. In emergencies, they are still accustomed to reaching for their phones to call their children and family. Sometimes, when a senior experiences a physical emergency, they are unable to operate the emergency call device, rendering it ineffective. Summary of the Invention

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide an emergency call device, which mainly solves the technical problems existing in the above-mentioned background technology.

[0004] In order to achieve the above-mentioned purpose and other related purposes, the utility model provides an emergency call device, including a shell and a wireless button. The shell is provided with a button component, and the shell is provided with a main control MCU, a millimeter wave radar, a communication module, a local voice component, a signal processing circuit, a storage module, and a buzzer. The millimeter wave radar is connected to the signal processing circuit, and the signal processing circuit is connected to the main control MCU. The signal processing circuit is used to receive radar signals and process the radar signals, and transmit the processed radar signals to the main control MCU. The main control MCU is respectively connected to the local voice component, communication module, button component, storage module, and buzzer. The main control MCU is communicated with the wireless button and the background server through the communication module.

[0005] Optionally, pin 40 of the main control MCU is electrically connected to the local voice component, pin 14 of the main control MCU is electrically connected to the button component, pin 46 of the main control MCU is electrically connected to the buzzer, pins 10, 11, 15, 18, and 19 of the main control MCU are respectively connected to the signal processing circuit, and pins 21 and 22 of the main control MCU are electrically connected to the millimeter wave radar.

[0006] Optionally, the communication module includes a 4G unit and a WIFI unit, the 20th pin of the main control MCU is electrically connected to the 4G unit, and the 39th pin of the main control MCU is electrically connected to the WIFI unit.

[0007] Optionally, the main control MCU establishes a signal connection with the wireless button through the WIFI unit.

[0008] Optionally, the storage module includes a storage chip U2 and a storage chip U3, the 25th pin of the main control MCU is electrically connected to the 1st pin of the storage chip U2, the 27th pin of the main control MCU is electrically connected to the 2nd pin of the storage chip U2, the 26th pin of the main control MCU is electrically connected to the 6th pin of the storage chip U2, and the 28th pin of the main control MCU is electrically connected to the 5th pin of the storage chip U2; the 42nd pin of the main control MCU is electrically connected to the 6th pin of the storage chip U3, and the 43rd pin of the main control MCU is electrically connected to the 5th pin of the storage chip U3.

[0009] Optionally, the model of the memory chip is W25Q64JVSSIQ, and the model of the memory chip U3 is MB85RC04V.

[0010] Optionally, the local voice component includes a voice recognition chip U4, a speaker and a microphone. The microphone is connected to the voice recognition chip. The voice recognition chip obtains and recognizes the voice signal from the microphone and sends the recognition result to the main control MCU. The main control MCU is connected to the microphone.

[0011] Optionally, the button assembly includes an emergency alarm call button switch, and the emergency alarm call button switch has a diameter greater than one centimeter and is red.

[0012] As described above, the emergency call device described in the present invention has the following beneficial effects: the emergency call device integrates functions such as millimeter wave radar and local voice recognition alarm, and can identify and detect human vital signs and voice information of elderly people indoors without guardians, and activate the alarm. It is especially useful for elderly people who have hand problems or cannot press buttons in an emergency. It can meet the needs of the elderly in different situations, simplify the use of the device, and make it more suitable for the elderly. Secondly, in addition to the traditional button alarm, a portable wireless button is also provided, so that the elderly can also call the police in time when they feel uncomfortable in other spaces in the room, further improving safety. At the same time, it also ensures that the alarm information can be quickly conveyed to the guardian or emergency platform, shortening the rescue response time. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the framework structure of an embodiment of the present utility model.

[0014] Figure 2 This is a circuit diagram of a control module according to an embodiment of the present utility model.

[0015] Figure 3This is a circuit diagram of a radar module according to an embodiment of the present invention.

[0016] Figure 4 This is a circuit diagram of a key module according to an embodiment of the present utility model.

[0017] Figure 5 This is a circuit diagram of a local voice component in an embodiment of the present utility model.

[0018] Figure 6 This is a circuit diagram of a signal conditioning module according to an embodiment of the present utility model.

[0019] Figure 7 This is a buzzer circuit diagram of an embodiment of the utility model.

[0020] Figure 8 This is a circuit diagram of a storage module according to an embodiment of the present utility model.

[0021] Figure 9 This is a circuit diagram of a power module according to an embodiment of the present utility model.

[0022] Figure 10 It is a circuit diagram of the 4G unit in the embodiment of the present utility model.

[0023] Figure 11 It is a circuit diagram of the WIFI unit in the embodiment of the present utility model.

[0024] Figure 12 It is an external schematic diagram of the distress call device in the embodiment of the present utility model.

[0025] Component number description

[0026] 1. Backend server; 2. Communication module; 3. Main control MCU; 4. Signal processing circuit; 5. Millimeter wave radar; 6. Buzzer; 7. Storage module; 8. Local voice component; 9. Button component; 10. Wireless button. DETAILED DESCRIPTION

[0027] The following describes the embodiments of the present invention through specific examples. Those skilled in the art will readily understand the other advantages and benefits of the present invention from the disclosure herein. The present invention may also be implemented or applied through various other specific embodiments, and the details in this specification may be modified or altered based on different perspectives and applications without departing from the spirit of the present invention. It should be noted that the following embodiments and features within these embodiments may be combined with one another, unless they conflict.

[0028] It should be noted that the illustrations provided in the following embodiments are only schematic illustrations of the basic concept of the present invention. Therefore, the drawings only show components related to the present invention and are not drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component can be changed at will, and the component layout type may also be more complicated.

[0029] See also Figure 1-12 In order to achieve the above-mentioned purpose and other related purposes, the present invention provides an emergency call device, including a shell and a wireless button 10. The shell is provided with a button component 9. The shell is provided with a main control MCU3, a millimeter wave radar 5, a communication module 2, a local voice component 8, a signal processing circuit 4, a storage module 7, and a buzzer 6. The millimeter wave radar 5 is connected to the signal processing circuit 4, and the signal processing circuit 4 is connected to the main control MCU3. The signal processing circuit 4 is used to receive radar signals and process the radar signals, and transmit the processed radar signals to the main control MCU3. The main control MCU3 is respectively connected to the local voice component 8, communication module 2, button component 9, storage module 7, and buzzer 6. The main control MCU3 is respectively connected to the wireless button 10 and the background server 1 through the communication module 2.

[0030] Specifically, the emergency call device provided in the present application is mainly fixed in indoor places where the elderly often move, and its wireless button 10 is carried by the elderly. It has the functions of active alarm and passive alarm. Its active alarm function means that when the elderly themselves feel unwell, they can press the wireless button 10 or press the button component 9 on the shell to trigger the call device alarm. It can also recognize the voice commands issued by the elderly, such as "help", through the local voice component 8 to trigger the call device alarm. Its passive alarm function means that continuous frequency modulated continuous waves (FMCW-Frequency Modulated Continuous Wave) or pulse waves are emitted to a preset area through the millimeter wave radar 5. These waves propagate in the air and eventually reach the human body. When the electromagnetic waves encounter the human body, especially the chest and abdominal areas, they will be reflected back. Any slight movement of the human body will cause the phase and amplitude of the reflected signal to change. For example, the slight expansion and contraction of the chest and abdomen caused by the human heartbeat and breathing will cause a slight change in the frequency of the reflected signal. The difference in heartbeat and breathing frequency means that they will produce different Doppler frequencies in the reflected signal. When the reflected signal is received by the millimeter wave radar 5, it is transmitted to the signal processing circuit 4, which performs mixing, amplification, filtering and digital processing of the reflected signal in turn. After receiving the processed signal, the main control MCU3 performs abnormality identification and activates the buzzer 6 to alarm when the human body is in an abnormal state, such as "long-term lack of life activity" or "long-term stay in place", and sends the alarm information to the background server 1 through the communication module 2 for alarm.

[0031] It should be noted that the method by which the main control MCU3 identifies abnormalities in the processed millimeter-wave radar 5 signal is an existing technology in this field, and this application does not involve improvements in the direction of the software algorithm.

[0032] In one possible implementation, when an elderly person is in an indoor place where no distress call device is placed, he or she can alarm by pressing the wireless button 10 carried with him or her, without having to move to a room where the distress call device is placed, thereby further improving the convenience of use.

[0033] When the elderly are in an indoor place where the housing of the caller is placed, they can alarm by pressing the wireless button 10 they carry with them, or they can trigger the caller to alarm by pressing the button assembly 9 on the housing.

[0034] In one possible embodiment, the main control MCU3 adopts a single-chip microcomputer with the model of STM32F103C8T6. The 40th pin of the main control MCU3 is electrically connected to the local voice component 8, the 14th pin of the main control MCU3 is electrically connected to the button component 9, the 46th pin of the main control MCU3 is electrically connected to the buzzer 6, the 10th, 11th, 15th, 18th and 19th pins of the main control MCU3 are respectively connected to the signal processing circuit 4, and the 21st and 22nd pins of the main control MCU3 are electrically connected to the millimeter wave radar 5. It should be noted that the connection methods listed above are only part of the pin connection relationships. The model of the main control MCU3 can be used to know that the connection structure of the main control MCU3 pins and other components is common knowledge for those skilled in the art, and this embodiment will not be elaborated in detail here.

[0035] In one possible embodiment, the communication module 2 includes a 4G unit and a WIFI unit, the 20th pin of the main control MCU3 is electrically connected to the 4G unit, and the 39th pin of the main control MCU3 is electrically connected to the WIFI unit, and a signal connection is established with the wireless button 10 through the WIFI unit. Specifically, its 4G unit is used to send alarm information to the background server 1, and the WIFI unit is used to establish a signal connection relationship with the wireless button 10.

[0036] In one possible embodiment, the storage module 7 includes a storage chip U2 and a storage chip U3, the 25th pin of the main control MCU3 is electrically connected to the 1st pin of the storage chip U2, the 27th pin of the main control MCU3 is electrically connected to the 2nd pin of the storage chip U2, the 26th pin of the main control MCU3 is electrically connected to the 6th pin of the storage chip U2, and the 28th pin of the main control MCU3 is electrically connected to the 5th pin of the storage chip U2; the 42nd pin of the main control MCU3 is electrically connected to the 6th pin of the storage chip U3, and the 43rd pin of the main control MCU3 is electrically connected to the 5th pin of the storage chip U3. Similarly, the connection methods listed above are only the connection relationships between some of the pins of the storage chip U2 and the storage chip U3 and the main control MCU3. Specifically, the storage chip U2 is used to store the radar wave data output by the signal processing circuit 4, and the storage chip U3 is used to store the abnormality recognition results output by the main control MCU3.

[0037] Furthermore, the model of the memory chip U2 is W25Q64JVSSIQ, and the model of the memory chip U3 is MB85RC04V.

[0038] In one possible embodiment, the local voice component 8 includes a voice recognition chip U4, a speaker and a microphone. The model of the voice recognition chip U4 is SU03-T. The microphone is connected to the voice recognition chip. The voice recognition chip obtains and recognizes the voice signal from the microphone and sends the recognition result to the main control MCU3. The main control MCU3 is connected to the microphone.

[0039] When the elderly person issues a voice command such as "help", the microphone receives the above voice command and converts the voice command into a corresponding electrical signal. The voice recognition core U4 recognizes the electrical signal and sends the recognition result to the main control MCU3. The main control MCU3 starts the speaker to play the alarm voice based on the above recognition result, for example, plays the "help" voice. At the same time, the main control MCU3 starts the buzzer 6 to sound an alarm, and sends the alarm information to the background server 1 through the communication module 2 for alarm, which is convenient for children to remotely monitor.

[0040] In a possible embodiment, the button assembly 9 includes an emergency alarm call button switch, and the emergency alarm call button switch has a diameter greater than one centimeter and is red, thereby making it easier for the elderly to distinguish.

[0041] It should be noted that the main control MCU3, millimeter wave radar 5, buzzer 6, 4G unit, WIFI unit, wireless button 10 and other components used in this application are all existing electronic components in this field. Those skilled in the art can understand the circuit structure of the main control MCU3, millimeter wave radar 5, buzzer 6, 4G unit, WIFI unit, wireless button 10 and other electronic components and the circuit connection structure between each other based on the existing public technical knowledge and technical information. The embodiment of this application will not elaborate on this, and those skilled in the art can freely choose the corresponding model according to their needs. This embodiment does not make any specific restrictions here.

[0042] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. An emergency call device, comprising a housing, characterized in that: It also includes a wireless button, a button component is provided on the shell, and a main control MCU, a millimeter-wave radar, a communication module, a local voice component, a signal processing circuit, a storage module, and a buzzer are provided inside the shell. The millimeter-wave radar is connected to the signal processing circuit, and the signal processing circuit is connected to the main control MCU. The signal processing circuit is used to receive radar signals and process the radar signals, and transmit the processed radar signals to the main control MCU. The main control MCU is respectively connected to the local voice component, communication module, button component, storage module, and buzzer. The main control MCU is respectively connected to the wireless button and the background server through the communication module.

2. An emergency call device as claimed in claim 1, characterized in that: Pin 40 of the main control MCU is electrically connected to the local voice component, pin 14 of the main control MCU is electrically connected to the button component, pin 46 of the main control MCU is electrically connected to the buzzer, pins 10, 11, 15, 18, and 19 of the main control MCU are respectively connected to the signal processing circuit, and pins 21 and 22 of the main control MCU are electrically connected to the millimeter wave radar.

3. An emergency call device as claimed in claim 2, characterized in that: The communication module includes a 4G unit and a WIFI unit. The 20th pin of the main control MCU is electrically connected to the 4G unit, and the 39th pin of the main control MCU is electrically connected to the WIFI unit.

4. An emergency call device as claimed in claim 3, characterized in that: The main control MCU establishes a signal connection with the wireless button through the WIFI unit.

5. The emergency call device according to claim 3, characterized in that: The storage module includes a storage chip U2 and a storage chip U3, the 25th pin of the main control MCU is electrically connected to the 1st pin of the storage chip U2, the 27th pin of the main control MCU is electrically connected to the 2nd pin of the storage chip U2, the 26th pin of the main control MCU is electrically connected to the 6th pin of the storage chip U2, and the 28th pin of the main control MCU is electrically connected to the 5th pin of the storage chip U2; the 42nd pin of the main control MCU is electrically connected to the 6th pin of the storage chip U3, and the 43rd pin of the main control MCU is electrically connected to the 5th pin of the storage chip U3.

6. An emergency call device as claimed in claim 5, characterized in that: The model of the memory chip U2 is W25Q64JVSSIQ, and the model of the memory chip U3 is MB85RC04V.

7. The emergency call device according to claim 1, characterized in that: The local voice component includes a voice recognition chip U4, a speaker and a microphone. The microphone is connected to the voice recognition chip. The voice recognition chip obtains and recognizes the voice signal from the microphone and sends the recognition result to the main control MCU. The main control MCU is connected to the microphone.

8. The emergency call device according to claim 1, characterized in that: The button assembly includes an emergency alarm call button switch, and the emergency alarm call button switch has a diameter greater than one centimeter and is red.

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