TW202315583A - Electrocardiograph monitor module and steering wheel - Google Patents

Abstract

This application discloses an electrocardiograph monitor module and steering wheel. The module including: an electrocardiograph monitor assembly. The electrocardiograph monitor assembly including a conductive film and support assembly. The conductive film is arranged on the steering wheel surface. The conductive film is used to obtain a bioelectrical signal from user hand. The support assembly is arranged between the conductive film and the steering wheel. The support assembly has elasticity. The support assembly is used to make the conductive film fit the steering wheel. The support assembly is also used to improve a hand contact area between the conductive film the user.

Description

ECG detection module and steering wheel

This application relates to auto parts, in particular to an electrocardiogram detection module and a steering wheel.

With the advancement of technology, the steering wheel of a car often has an electrocardiogram detection function to detect the driver's electrocardiogram information. The heart health status of the driver can be detected by the electrocardiogram information, and when the driver has symptoms such as arrhythmia or atrial fibrillation, the driver can be reminded to take corresponding measures in time to avoid accidents. However, the conventional steering wheel ECG detection technology often uses electrodes to collect bioelectrical signals, but the electrodes themselves have problems such as being easily oxidized and the conductive layer is easy to fall off.

In view of this, the present application provides an electrocardiogram detection module and a steering wheel, which use a conductive adhesive film to collect bioelectrical signals, adopt an integrated design, and can increase the service life of the electrocardiogram detection module.

The electrocardiogram detection module of the present application is applied to the steering wheel, the electrocardiogram detection module includes an electrocardiogram detection part; the electrocardiogram detection part includes: a conductive adhesive film, the conductive adhesive film is arranged on the surface of the steering wheel The conductive adhesive film is used to obtain the bioelectric signal of the user's hand; the support body, the support body is arranged between the conductive adhesive film and the steering wheel, the support body is elastic, and the support body is used to make the The conductive adhesive film is attached to the steering wheel, and the support body is also used to increase the contact area between the conductive adhesive film and the user's hand.

The steering wheel of the present application includes: a steering wheel body; and the above-mentioned electrocardiogram detection module.

In order to more clearly understand the above purpose, features and advantages of the present application, the present application will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other. A lot of specific details are set forth in the following description to facilitate a full understanding of the present application, and the described embodiments are only part of the embodiments of the present application, not all of them.

It should be noted that although a logical order is shown in the flowcharts, in some cases the steps shown or described may be performed in a different order than in the flowcharts. The methods disclosed in the embodiments of the present application include one or a plurality of steps or actions for realizing the method. The method steps and/or actions may be interchanged with one another without departing from the scope of the claims. In other words, unless a specific order of steps or actions is specified, the order and/or use of specific steps and/or actions may be modified without departing from the scope of the claims.

With the advancement of technology, the steering wheel of a car often has an electrocardiogram detection function to detect the driver's electrocardiogram information. The heart health status of the driver can be detected by the electrocardiogram information, and when the driver has symptoms such as arrhythmia or atrial fibrillation, the driver can be reminded to take corresponding measures in time to avoid accidents. However, the conventional steering wheel ECG detection technology often uses electrodes to collect bioelectrical signals, but the electrodes themselves have problems such as being easily oxidized and the conductive layer is easy to fall off.

For example, the conventional ECG steering wheel often adopts electrode type ECG collection or optical type ECG collection. Among them, electrode type ECG collection uses metal electrodes, metal conductive cloth or metal copper foil to collect bioelectrical signals, and optical ECG collection uses red light, infrared light or green light to collect bioelectrical signals. The use of metal electrodes to collect bioelectrical signals has the problems of hard texture, poor comfort, and the metal surface is easily oxidized, which affects the measurement results. The use of metal conductive cloth to collect bioelectrical signals has the problem that the tin plating on the surface of the conductive cloth is easy to fall off, and the user's hands will be contaminated with metal odor, which affects the user experience. The use of metal copper foil to collect bioelectrical signals has the problem that the metal copper foil is soft, easy to wrinkle, and easy to oxidize and change color. The application of optical ECG to collect ECG signals has the problem that the measurable area is small, and the user needs to adjust the way the steering wheel is held, and the light collected by optical ECG may affect the user's driving safety.

The electrocardiogram detection module and the steering wheel provided by the embodiment of the present application are described below in conjunction with the accompanying drawings.

FIG. 1 shows a schematic structural diagram of a steering wheel 20 . As shown in FIG. 1 , the steering wheel 20 includes a steering wheel body 21 and an electrocardiogram detection module 10 .

Wherein, in the embodiment of the present application, the electrocardiogram detection module 10 includes two electrocardiogram detection components 11 . It is understandable that because ECG technology needs to collect bioelectrical signals from different positions on the user's body surface, and then use the signal processing module to amplify the bioelectrical signals and record ECG patterns. Therefore, the electrocardiogram detection module 10 needs to include at least two electrocardiogram detection parts 11 to obtain bioelectrical signals from the user's left hand and right hand, and there is a certain distance between the two electrocardiogram detection parts 11 to avoid the The bioelectric signals of the patient's left hand and right hand interfere with each other, affecting the ECG test results.

It can be understood that the electrocardiogram detection device 11 can be symmetrically arranged on a part of the steering wheel 20, corresponding to the position of the user's left hand and right hand on the steering wheel when driving a car, so as to obtain bioelectrical signals from the user's left hand and right hand . The area of the steering wheel 20 that is not provided with the electrocardiogram detecting element 11 is provided with a covering material.

It can be understood that the steering wheel 20 uses the electrocardiogram detection component 11 to collect ECG signals. Among them, the electrocardiogram detection part 11 adopts an integrated design, which can increase the service life of the electrocardiogram detection module 10 and improve the user experience.

FIG. 2 shows a schematic structural diagram of the electrocardiogram detection device 11 . As shown in FIG. 2 , the electrocardiogram detection element 11 includes a conductive adhesive film 100 and a support body 200 .

It can be understood that the conductive adhesive film 100 is disposed on the surface of the steering wheel 20 . The conductive adhesive film 100 is used to obtain bioelectrical signals from the user's hand. It can be understood that the conductive adhesive film 100 can be made of carbon conductive adhesive film.

It can be understood that the support body 200 is disposed between the conductive adhesive film 100 and the steering wheel 20 . The support body 200 has elasticity so that the conductive adhesive film 100 fits the steering wheel 20 , and the support body 200 is also used to increase the contact area between the conductive adhesive film 100 and the user's hand.

It can be understood that the support body 200 includes a base material 210 and an elastic material 220 . Wherein, the base material 210 is disposed adjacent to the conductive adhesive film 100 , and the elastic material 220 is disposed adjacent to the side of the steering wheel 20 .

It can be understood that the base material 210 is a material with high ductility, and the base material 210 is used to provide support for the conductive adhesive film 100 so that the conductive adhesive film 100 can fit the steering wheel 20 . Exemplarily, the base material 210 may be a high-stretch cloth base material.

It can be understood that the elastic material 220 is a material with good elasticity. The elastic material 220 provides a good hand grip for the electrocardiogram detecting element 11 and can increase the contact area between the conductive adhesive film 100 and the user's hand. Exemplarily, the elastic material 220 may be an elastic sponge material.

It can be understood that, in the embodiment of the present application, the carbon-made conductive adhesive film can be laid on the transfer substrate by applying the heat ironing transfer printing technique, so as to form the conductive adhesive film 100 . Exemplarily, the transfer substrate may be a material with ductility, so as to improve the ductility of the conductive adhesive film 100 produced by hot ironing transfer.

It can be understood that the conductive adhesive film 100, the base material 210 and the elastic material 220 can be made into an integrated electrocardiogram detection part 11 by using a thermoplastic process, and the electrocardiogram detection part 11 can be laid by stretching, cutting and sewing. on the steering wheel 20.

It can be understood that the electrocardiogram detection element 11 can be symmetrically disposed on a part of the steering wheel 20 . The remaining area of the steering wheel 20 that is not provided with the electrocardiogram detecting element 11 is provided with a covering material 14 .

It can be understood that the electrocardiogram detection part 11 is integrally formed and can be attached to the user's hand. The electrocardiogram detection part 11 can detect the user's bioelectric signal, and the electrocardiogram detection module 10 can analyze the electrocardiogram detection part. 11 Obtained bioelectrical signal to obtain ECG signal.

FIG. 3 is a system block diagram of an electrocardiogram detection module 10 applied to a vehicle-mounted device 30 and connected to a mobile terminal 40 provided by an embodiment of the present application. As shown in FIG. 3 , the electrocardiogram detection module 10 further includes a signal processing module 12 and a communication module 13 . The electrocardiogram detection unit 11 is sequentially connected to the signal processing module 12 and the communication module 13 . The electrocardiogram detection module 10 is disposed in the vehicle-mounted device 30 . The vehicle-mounted device 30 also includes a vehicle-mounted screen 31 , a vehicle-mounted processor 32 , a vehicle-mounted communication module 33 and a vehicle-mounted memory 34 . The vehicle-mounted screen 31 is sequentially connected to the vehicle-mounted processor 32 and the vehicle-mounted communication module 33 . The onboard memory 34 includes an onboard operating system 341 , an onboard application database 342 and an electrocardiogram detection application 343 . The vehicle communication module 33 is connected to the vehicle operation system 341 . The vehicle operating system 341 is connected to the vehicle application database 342 and the ECG detection application 343 in sequence. The vehicle-mounted device 30 is also connected to the mobile terminal 40 through the vehicle-mounted communication module 33 .

It can be understood that the signal processing module 12 is used to receive the bioelectric signal from the electrocardiogram detection part 11, and amplify and analyze the bioelectric signal to obtain the electrocardiogram signal. The communication module 13 is communicatively connected to the vehicle communication module 33 to transmit the electrocardiogram signal to the vehicle communication module 33 .

It can be understood that the signal processing module 12 includes an impedance measurement circuit 121 , an amplifier 122 and a processor 123 . The impedance measurement circuit 121 is connected to the conductive adhesive film 100, and the impedance measurement circuit 121 is used to obtain bio-impedance signals according to bio-electric signals. Wherein, the amplifier 122 is connected to the impedance measurement circuit 121, and the amplifier 122 is used to amplify the biological impedance signal. The processor 123 is connected to the amplifier 122 , and the processor 123 is used to acquire a bio-electrocardiogram according to the bio-impedance signal amplified by the amplifier 122 .

It can be understood that the communication module 13 and the vehicle communication module 33 may include a wired communication module and a wireless communication module, which are not limited in this application.

It can be understood that, after receiving the ECG signal from the vehicle communication module 33 , the vehicle processor 32 can control the vehicle screen 31 to display the ECG signal.

It can be understood that the on-board processor 32 can also transmit the ECG signal to the on-board operating system 341 in the on-board memory 34 . The vehicle operating system 341 invokes the ECG detection application 343 in the vehicle application database 342 to analyze whether the ECG signal is abnormal. If there is an abnormality, the user can be reminded by the electrocardiogram detection application 343, so as to improve driving safety.

It can be understood that the vehicle-mounted processor 32 can also transmit the electrocardiogram signal to the mobile terminal 40 through the vehicle-mounted communication module 33 . An electrocardiogram detection application (not shown in the figure) may be stored in the mobile terminal 40 to analyze whether the electrocardiogram signal is abnormal. If there is an abnormality, the mobile terminal 40 can remind the user to improve driving safety.

It can be understood that the electrocardiogram detection module 10 and the steering wheel 20 proposed in this application can obtain the user's electrocardiogram signal through the user's bioelectric signal, and remind the user in time when the user's electrocardiogram signal is abnormal, so as to improve driving. safety and reduce potential safety hazards.

The embodiments of the present application have been described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Within the scope of knowledge of those of ordinary skill in the art, various modifications can be made without departing from the purpose of the present application. Variety. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other under the condition of no conflict.

10: ECG detection module 11: Electrocardiogram detection parts 12: Signal processing module 121: Impedance measurement circuit 122: Amplifier 123: Processor 13: Communication module 14: Coating material 20: steering wheel 21: Steering wheel body 30: Vehicle-mounted device 31: Vehicle screen 32: On-board processor 33: Vehicle communication module 34: On-board memory 341: Vehicle Operating System 342: Vehicle application database 343: Electrocardiogram detection application 40:Mobile terminal 100: Conductive film 200: support body 210: Substrate 220: elastic material

FIG. 1 is a schematic structural view of a steering wheel provided by an embodiment of the present application. Fig. 2 is a schematic structural diagram of an electrocardiogram detection device provided by an embodiment of the present application. FIG. 3 is a system block diagram of an electrocardiogram detection module and a vehicle-mounted device provided by an embodiment of the present application.

none

10: ECG detection module

11: Electrocardiogram detection parts

14: Coating material

20: steering wheel

21: Steering wheel body

Claims (10)

An electrocardiogram detection module applied to a steering wheel, the improvement is that the electrocardiogram detection module includes an electrocardiogram detection part; The electrocardiogram detection parts include: Conductive adhesive film, the conductive adhesive film is arranged on the surface of the steering wheel, and the conductive adhesive film is used to obtain the bioelectrical signal of the user's hand; A support body, the support body is arranged between the conductive adhesive film and the steering wheel, the support body has elasticity, and the support body is used to make the conductive adhesive film fit the steering wheel, the support body It is also used to increase the contact area between the conductive adhesive film and the user's hands. The electrocardiogram detection module as described in claim 1, wherein the support body includes a substrate; The base material is disposed between the conductive adhesive film and the steering wheel, and the base material is used to make the conductive adhesive film adhere to the steering wheel. The electrocardiogram detection module according to claim 2, wherein the support body further includes elastic filling materials; The elastic filling material is disposed between the base material and the steering wheel, and the elastic filling material is used to increase the contact area between the conductive adhesive film and the user's hand. The electrocardiogram detection module according to claim 3, wherein the conductive adhesive film is deposited on the support body by heat transfer, so as to form the electrocardiogram detection element with the support body. The electrocardiogram detection module according to claim 1, wherein, the electrocardiogram detection element is laid on the steering wheel after being stretched by thermoplastic. The electrocardiogram detection module as described in claim 1, wherein the electrocardiogram detection module also includes: An impedance measurement circuit, the impedance measurement circuit is connected to the conductive adhesive film, and the impedance measurement circuit is used to obtain a bio-impedance signal according to the bio-electric signal. The electrocardiogram detection module as described in claim 6, wherein the electrocardiogram detection module further includes: an amplifier, the amplifier is connected to the impedance measurement circuit, and the amplifier is used to amplify the biological impedance signal. The electrocardiogram detection module as described in claim 7, wherein, the electrocardiogram detection module also includes: A processor, the processor is connected to the amplifier, and the processor is used to obtain a biological electrocardiogram according to the biological impedance signal. A steering wheel, which is improved in that the steering wheel includes: the steering wheel body; and The electrocardiogram detection module as described in any one of claims 1 to 8. The steering wheel as claimed in claim 9, wherein the electrocardiogram detection parts are arranged symmetrically in a part of the steering wheel; The remaining area of the steering wheel is provided with cladding material.

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