TWM555705U - Physiological signal sensing device - Google Patents

Abstract

A physiological signal sensing device comprises a sound transmitting member, a sound collecting member and a sound source receiving device. The sounding component comprises a plurality of independent closed-cell structures which are not connected to each other and can generate an acoustic resonance effect. When directly or indirectly contacting the user's body, the sound waves of the heart sound, the respiratory vibration or the organ sound are transmitted to the sounding member. Pass in. The sound collecting member includes a first end portion and a second end portion, wherein one end portion contacts the surface of the sound absorbing member, and communicates with the second end portion through the through hole. The sound source receiving device comprises a receiving end and a sensing component, and the receiving end is connected to the second end of the sound collecting component to receive the sound wave propagated by the sounding component, so as to achieve the purpose of detecting the physiological signal.

Description

Physiological signal sensing device

The invention relates to a physiological signal sensing device, in particular to a sensing device for detecting a physiological signal by using sound waves.

Physiological signal measurement equipment used to be mostly used in medical institutions, requiring professional instruments and qualified medical personnel to operate. However, with the development of modern sensing and signal processing technology, the cost of medical electronic products has been greatly reduced, while home health care awareness It has also been significantly improved. The remote home care system is no longer imagined. Various techniques for measuring physiological signals have gradually developed into basic health tools that can be used in home environments, which is beneficial for long-term monitoring of users' health.

At present, the physiological status of infants, children with disabilities, patients or the elderly who are inconvenient or disabled is the main area of home care. According to the state of need for monitoring, it can be divided into static and active monitoring. Since the physiological signal measurement equipment in the home environment is operated by the general user and is not operated by professional medical personnel, the operation design of such equipment is simple, rapid, automated, non-invasive and low maintenance cost. . In addition, the use of physiological signal measurement equipment in the home environment should also consider non-interference or low-interference measurement methods to avoid changes in the daily activities and behaviors of users due to the use of products. It is easier for the average user to accept.

The existing respiratory heartbeat detection device can be divided into pressure sensing, optical wavelength sensing and adhesive electrode detection. Among them, the pressure sensing device can be used in a sleeping environment to combine detection of sleeping position, turning over, leaving the bed, etc., but its accuracy is poor, and is usually designed as a dedicated large device. For example, a bed or a mattress has a greater psychological pressure on the user. Optical wavelength sensing utilizes a non-contact detection method. Although it has the advantage of being small in size, it is easily affected by the external environment and the light source, has poor accuracy, and is expensive. The adhesive electrode detects the user's electrocardiogram, heart rate and other items with the best accuracy and can collect various physiological information. However, the wire is easily damaged, which leads to poor contact and affects the measurement effect, and is limited by the length of the wire, which limits the user. The action often makes the user feel inconvenient, and the way of sticking to the contact is also easy to fall off during the detection. Due to the complicated operation and the sense of being monitored, the user is often not actively used, but the effect is not achieved.

Therefore, there is a need for a physiological information detecting device that is simple in operation, convenient to maintain, and can be integrated into the user's home life, so as to achieve the purpose of using, detecting, and preventing accidents at any time.

The sounding member comprises a plurality of independent closed-cell structures which are not connected to each other and can generate an acoustic resonance effect. When directly or indirectly contacting the user's body, the sound waves of the heart sound, the respiratory vibration or the organ sound are transmitted to the sounding member. Pass in. The sound collecting member includes a first end portion and a second end portion, wherein one end portion contacts the surface of the sound absorbing member, and communicates with the second end portion through the through hole. The sound source receiving device comprises a receiving end and a sensing component, and the receiving end is connected to the second end of the sound collecting component to receive the sound wave propagated by the sounding component, so as to achieve the purpose of detecting the physiological signal. According to an embodiment of the present invention, the physiological signal sensing device is further connected to a signal processing device, and converts the sound wave received by the sensing component into an electronic signal.

According to an embodiment of the present invention, the sound collecting member of the physiological signal sensing device includes one or more first sound collecting portions and a second sound collecting portion, and the first end portions of the plurality of first sound collecting portions independently contact the sound transmitting The surface of the piece, the second sound collecting portion, includes a plurality of interfaces for respectively connecting the second ends of the first sound collecting portions.

According to another embodiment of the present invention, the sound transmitting member is in contact with the first end The face is coated with at least one coating, and in accordance with an embodiment of the present invention, the cover comprises a fabric, flocked or polymeric laminate.

According to an embodiment of the present invention, the closed cell structure of the sound transmitting member is defined by a polymer foaming material or a natural porous material. According to an embodiment of the embodiment, the polymer foaming material or the natural porous material has 10-100. % closed cell ratio. According to an embodiment of the present embodiment, the density of the polymer foamed material is 15 to 200 kg/cm ³ , and in another embodiment, the density of the polymer foamed material is 25 to 50 kg/cm ³ .

According to one or more embodiments of the present embodiment, the polymer foaming material comprises ethylene vinyl acetate (EVA), radiation cross-linked polyethylene (IXPE), crosslinked polyethylene. (cross-linked polyethylene; XPE), Chloroprene Rubber (CR), styrene butadiene rubber (SBR), polyvinyl chloride (PVC), ethylene-propylene ternary rubber ( Ethylene propylene terpolymer rubber; EPDM), Polyethylene foam (EPE), Acrylonitrile Butadiene rubber (NBR) or Polyurethane (PU) or any combination thereof.

In accordance with an embodiment of the present invention, the closed cell structure is defined by a composite material that is a continuous polymeric foam containing a plurality of discrete porous particles or fragments.

According to another embodiment of the present invention, the closed cell structure is defined by a fibrous material comprising cellulose, cotton fibers, asbestos fibers, glass fibers, plastic fibers, conductive fibers, or any combination thereof, from straight, wrinkled The twisted, crimped, felted or kneaded fiber material or sheets of the material are formed in a staggered, interwoven or stacked configuration, defined by the arrangement of voids or internal voids.

Therefore, the physiological signal sensing device of the present embodiment utilizes a sound-transmitting member having a closed-cell structure to generate an acoustic resonance effect on sound waves of heart sounds, breath sounds, or organ sounds to amplify (amplify) a small frequency, and then through the sound source sensor to receive, with the processing and identification of the signal, to achieve accurate detection, recording, analysis of physiological phenomena.

100‧‧‧physiological signal sensing device

110‧‧‧Sounds

115‧‧‧Cladding

120‧‧‧Set parts

121‧‧‧The first part of the sound

122‧‧‧First end

123‧‧‧second end

124‧‧‧Connecting Department

125‧‧‧Connection section

126‧‧‧Second episode

127a‧‧‧ connector

127b‧‧‧ connector

128a‧‧‧Connecting port

128b‧‧‧ connector

130‧‧‧Source receiving device

132‧‧‧ Receiver

134‧‧‧上盖

136‧‧‧floor

140‧‧‧ concave edge

200‧‧‧physiological signal sensing device

210‧‧‧Sense pad

211‧‧‧ first side

212‧‧‧Second side

213‧‧‧ top surface

220‧‧‧Sound or differential pressure signal transmission

221‧‧‧ first channel

222‧‧‧second channel

223‧‧‧ Linkage

224‧‧‧Common channel

228a‧‧‧ connector

228b‧‧‧ connector

228c‧‧‧ connector

230‧‧‧Sound or differential pressure receiving module

234‧‧‧Upper cover

235‧‧‧ boards

236‧‧‧floor

237‧‧‧ Cover

239‧‧‧Signal receiving device

240‧‧‧ concave edge

330‧‧‧Voltage Inductance

331‧‧‧Sense layer

332‧‧‧Protective layer

333‧‧‧ positive and negative electrode lead

400‧‧‧physiological signal sensing device

410‧‧‧With voiced parts

420‧‧‧Source receiving device

1 is a perspective view of a physiological signal sensing device according to an embodiment of the present invention; FIG. 2 is an exploded view of the physiological signal sensing device of the present embodiment; and FIG. 3 is a cross section of the physiological signal sensing device of the present embodiment. Figure 4 is a schematic view showing the use of a contact physiological signal sensing device according to an embodiment of the present invention; Figure 5 is a perspective view of a physiological signal sensing device according to an embodiment of the present invention; An exploded view of the physiological signal sensing device of the illustrated embodiment. Fig. 7 is a plan view showing a piezoelectric inductor of an embodiment of the present invention. Figure 8 is a cross-sectional view showing the piezoelectric inductor of the embodiment of Figure 7.

Please refer to FIG. 1 , which is a perspective view of a physiological signal sensing device according to an embodiment of the present invention. The physiological signal sensing device 100 includes a sound transmitting member 110, a sound collecting member 120, and a sound source receiving device 130, and a concave edge 140. The physiological signal sensing device 100 of the present embodiment includes, but is not limited to, a form of a pad.

The sound transmitting member 110 is a means for generating acoustic resonance and propagating acoustic waves. In the novel embodiment, the polymer foam having a closed cell structure is foamed. The material or the natural porous material is formed, and when it is directly or indirectly contacted with the user's body, sound waves such as heart sounds, respiratory vibrations, or organ sounds are transmitted to the sound transmitting member 110.

"Acoustic resonance" as used in this specification refers to the frequency at which a sound is amplified when an acoustic body is driven by an external force of its resonant frequency. (amplify) phenomenon.

The "closed cell structure" as used in the present specification refers to a plurality of cavities which are naturally formed or artificially produced in a solid object, and which are not connected to each other; an open cell structure Refers to a plurality of cavities that are naturally formed or artificially produced in a solid object, and the cavities communicate with each other and with the outside. Unless otherwise specified, the "material having a closed cell structure" as used in this specification does not exclude materials in which both the closed cell structure and the open cell structure exist. ""percentage of close area"" (closed to the area) refers to the ratio (%) of the volume of closed cells in the material to the apparent volume of the material.

The sound collecting member 120 has two ends of the contact sound transmitting member 110 and the connected sound source receiving device 130, and can transmit sound waves in the sound transmitting member 110 to the sound source receiving device 130. In accordance with an embodiment of the present invention, the sound collecting member 120 can have a narrower diameter relative to the sound transmitting member 110, reducing diffusion during sound wave propagation, and can be efficiently transmitted to the sound source receiving device 130.

The sound source receiving device 130 has a sensing component connected to the sound collecting component 120 to receive the sound wave propagated by the sound transmitting component 110 for the purpose of detecting the physiological signal. According to an embodiment of the present invention, the sound source receiving device 130 is further connected to a signal processing device, and converts the sound wave received by the sensing component into an electronic signal.

The concave edge 140 can be formed on the sound transmitting member 110 via sewing, hot pressing, pasting, etc., and has the sound transmitting member 110 fixedly attached to the body of the physiological signal sensing device product or the surface of the sound transmitting member is covered. The fabric, the thin plastic layer and the like are closely attached thereto, or the decorative effect, the flatness is increased, and the comfort is enhanced.

Please refer to FIG. 2 and FIG. 3 together. FIG. 2 is an exploded view of the physiological signal sensing device of the present embodiment. FIG. 3 is a cross-sectional view of the physiological signal sensing device of the present embodiment.

In the embodiment, the first sound collecting portion 121 is disposed on the sound transmitting member 110. As shown in FIG. 3, the two first sound collecting portions 121 include the first end portions 122 and are respectively independently contacted and transmitted. The second end portion 133 is fixed to a bottom plate 136. The bottom plate 136 is fixed to the sound transmitting member 110, and the second end portion 123 has a connecting portion 124 connected to the connecting port 127a of the connecting portion 125.

A through hole is opened in the middle of the first sound collecting portion 121. The area of the portion where the first sound collecting portion 121 is in contact with the sound transmitting member 110 is slightly larger than the area of the cross section of the wall of the first sound collecting portion 121. Further, the surface of the sound transmitting member 110 is covered with a coating 115, and the first sound collecting portion 121 is directly in contact with the sound transmitting member 110 through the coating layer 115. According to an embodiment of the present invention, the coating 115 may comprise a fabric, a flocked or a polymer thin layer, such as a thermoplastic polyurethane (TPU), for protecting the polymer foam of the sound transmitting member 110. Or natural porous materials to increase their durability.

The second sound collecting portion 126 includes a connecting port 128a and a connecting port 128b which are respectively connected to the connecting port 127b of the connecting portion 125. The sound source receiving device has a receiving end 132 connected to the second sound collecting portion 126, and the sensing element of the sound source receiving device 130 is connected to the receiving end 132 to receive the sound wave propagated by the sound transmitting member 110. In this embodiment, the sound source receiving device 130 is fixed on the bottom plate 136, and the upper cover 134 and the bottom plate 136 are covered to receive a part of the sound source receiving device 130 and the sound collecting member 120.

According to an embodiment of the present invention, the sound transmitting member 110 may be a natural porous material of a polymer material having a closed cell ratio of 10 to 100%, and may be, for example, a foamed material having a closed cell ratio of 30 to 90%. According to an embodiment of the present novel one, or more, density of the polymer foam materials of 15-200kg / ^c m ^3, according to the present embodiment, the density of the polymer foam materials of 25-50kg / ^c m ^3.

Among them, the polymer foaming material contains a polymerization product of isocyanate or isothiocyanate. The polymer foaming material may include Ethylene vinyl acetate (EVA), irradiation cross-linked polyethylene (IXPE), cross-linked polyethylene (XPE), and chloroprene. Rubber (Chloroprene Rubber; CR), styrene butadiene rubber (SBR), polyvinyl chloride (PVC), ethylene-propylene ternary rubber (EPDM), polyethylene compound (Polyethylene foam; EPE), acrylonitrile butadiene Acrylonitrile Butadiene rubber (NBR) or Polyurethane (PU), any combination thereof. The natural porous material may be a stack of sponge, softwood, coir silk, bamboo charcoal, charcoal, diatomaceous earth, coral, any combination of the above, or any combination thereof.

According to one embodiment of the present invention, the closed cell structure is defined by a composite material which is a continuous polymer foam containing a plurality of discrete porous particles or fragments, such as regenerated foam, which is made up of foamed feet. It can also be applied by crushing, stirring glue and steam autoclaving and compression molding.

According to another embodiment of the present invention, the closed cell structure is defined by a fibrous material, including plant fibers, cotton fibers, asbestos fibers, glass fibers, plastic fibers, conductive fibers, or any combination thereof, from straight, wrinkled The twisted, crimped, felted or kneaded fiber material or sheets of the material are formed in a staggered, interwoven or stacked configuration, defined by the arrangement of voids or internal voids.

Please refer to FIG. 4 , which is a schematic diagram of a use situation of a physiological signal sensing device according to an embodiment of the present invention. The physiological signal sensing device 400 has a sound transmitting member 410 and a sound source receiving device 420. In this embodiment, the physiological signal sensing device 400 can be placed on the bed or placed on the back of the chair. When the user lies on the bed or leans against the back of the chair, the heart sound can be detected by touching the area around the chest cavity. Or breathing sound, so the user can rest, sleep, drive, and instantly detect changes in physiological conditions.

Figure 5 is a perspective view of a physiological signal sensing device according to an embodiment of the present invention; and Figure 6 is an exploded view of the physiological signal sensing device of the fifth embodiment. As shown in FIGS. 5 and 6, the physiological signal sensing device 200 includes a sensing pad 210, a sound or differential pressure signal transmitting member 220, and a sound or differential pressure receiving module 230. The sensing pad 210 includes a relatively large area, preferably a confined space, for sensing changes in sound or pressure on the top surface 213 of the pad 210 and creating gas shock or pressure changes in the confined space. The sound or differential pressure signal transmitting member 220 can be at least one pass Preferably, the channel is a closed conduit having a relatively narrow diameter and communicating between the sealed space of the sensing pad 210 and the sound or differential pressure receiving module 230. Since the diameter of the at least one channel is narrow, the gas signal vibration amplitude is larger than the sealing space of the sensing pad 210, and the signal from the sound wave vibration or pressure change on the top surface 213 of the sensing pad 210 can be amplified for sound. Or the differential pressure receiving module 230 receives and senses the amplified signal.

As shown in FIG. 6, the sound or differential pressure receiving module 230 includes a signal receiving device 239, a circuit board 235, a cover 237, an upper cover 234 and a bottom plate 236. The signal receiving device 239 is fixed on the bottom plate 236. The bottom plate 236 is disposed on the circuit board 235. The upper cover 234 and the bottom plate 236 are closed to fix the first passage 221 and the second passage 222. The outer cover 237 receives the upper cover 234, the bottom plate 236, and the signal. The receiving device 239 and a portion of the sound or differential pressure signal transmitting member 220. The signal receiving device 239 is coupled to the circuit board 235 and communicates with the sound or differential pressure signal transmitting member 220.

In one embodiment, the sound or differential pressure signal transmitting member 220 can include a connecting passage 223, a first passage 221, and a second passage 222. The first channel 221 and the second channel 222 are respectively connected to the sensing pad 210. The connecting channel 223 includes a connecting port 228c, a connecting port 228a and a connecting port 228b. The connection port 228c is connected to the signal receiving device 239, and the connection port 228a and the connection port 228b are respectively connected to the first channel 221 and the second channel 222. In one embodiment, the sound or differential pressure signal transmitting member 220 may further include a common passage 224. One end of the common passage 224 is connected to the signal receiving device 239, and the other end is connected to the connecting port 128c. In this way, the signal receiving device 239 can simultaneously receive signals from the first channel 221 and the second channel 222, thereby saving the number of uses of the signal receiving device 239.

In one embodiment, the connecting passage 223 is formed in a Y shape, and the angle between the portions 223a and 223b of the connecting passage 223 defining the connecting port 228a and the connecting port 228b is less than 90 degrees. Since the connecting passage 223 does not form a right-angled portion, the signal can be transmitted with higher precision.

As shown in FIG. 5, in an embodiment, the sensing pad 210 is elongated, and the first The side 211 is opposite to the second side 212, and the top surface 213 is connected between the first side 211 and the second side 212. The first channel 221 and the second channel 222 respectively penetrate the sensing pad 210, preferably from the first side 211 of the sensing pad 210 and not from the top surface 213 of the sensing pad 210 into the sensing pad 210. The free ends of the first channel 221 and the second channel 222 are spaced apart from the inner side of the side of the sensing pad 210 by a predetermined distance. In this way, the signal of the sound or pressure change at different positions in the sensing pad 210 can be picked up. More accurate information can be obtained through signals from different locations.

In one embodiment, the free ends of the first channels 221 are respectively located closer to the middle of the sensing pad 210 than the inner side walls of the first side 211, and the free ends of the second channel 222 are respectively located near the second side. The inner sidewall of the edge 212 is preferably further from the middle of the sensing pad 210. Since the air lie on both ends of the sensing pad 210 when the human body is lying on the sensing pad 210, a more accurate signal can be obtained near the both end sides of the sensing pad 210.

In an embodiment (not shown), the sound or differential pressure receiving module 230 includes a plurality of signal receiving devices 239. The sound or differential pressure signal transmitting member 220 may include only a first passage 221 and a second passage 222 that are substantially linear. In this embodiment, since only the first channel 221 or the second channel 222 is directly connected to the individual signal receiving device 239, the signal is linearly transmitted in the first channel 221 or the second channel 222 without bending, so that it can be better. Signal.

In one embodiment, the sound or differential pressure signal transmitting member 220 can be at least one sound collecting member. The signal receiving device 239 is a sound source receiving device 130. In addition, the sensing pad 210 can also include at least one concave edge 240 and an elastic member. The elastic member and the first passage 221 and the second passage 222 are both disposed in the sealed space of the sensing pad 210. In an embodiment, the elastic member may be the sound transmitting member 110.

Fig. 7 is a plan view showing a piezoelectric inductor of an embodiment of the present invention. Figure 8 is a cross-sectional view showing the piezoelectric inductor of the embodiment of Figure 7. As shown in FIGS. 7 and 8, in an embodiment, the signal receiving device 239 can be a piezoelectric detector 330. The piezoelectric detector 330 includes a force sensing layer 331, a protective layer 332, and a positive and negative electrode lead 333. The force sensing layer 331 can include a force sensing A protective layer 332 is used to cover and protect the inductive detector of the piezoelectric detector 330 (which may be a conductive layer, not shown), and the positive and negative electrode leads 333 are connected to the inductive detector. The common channel 224 of the sound or differential pressure signal transmitting member 220 is in communication with the force sensing layer 331. Preferably, the area A of the common channel 224 is substantially equal to the force sensing layer 331. When the person lies in contact with the sensing pad 210, the vibration of the human body causes the air in the sensing pad 210 to vibrate. The force sensing layer 331 can sense air vibrations within the common channel 224. The positive and negative electrode wires 333 can use voltage values or current values to detect the load generated by the air vibration applied to the force sensing layer 331. The microprocessor receives the voltage or current value and performs data processing. According to the embodiment, since the piezoelectric detector 330 cannot be bent, it is possible to prevent the human body from lying directly on the pressure sensor 330 and being damaged, and it is possible to avoid an uncomfortable feeling when lying down.

In addition, the physiological signal sensing device of the new embodiment may also be in the form of a strap or placed on a personal object, for example, the physiological signal sensing device is designed as a headband, a wristband, a brooch, an ankle, a corset, a bundle. Use directly on the chest or belt, or detachably combined with a headband, bracelet, brooch, ankle, corset, corset, belt or seat belt. It can be used in a variety of situations such as daily life, sports, and fetal sounds. Detection, driving, etc.

According to an embodiment of the present invention, the physiological signal sensing device is further connected to a signal processing device, which can convert the sound wave received by the sensing component into an electronic signal, and translate the received digital signal through the processor to identify the differential physiological Signals and noise, and data transmission through wired and wireless methods, discriminate, analyze and store the collected information, can make emergency warnings, make immediate medical measures, or record the long-term physiological state of users, as a long-term evaluation. use.

For example, when the signal detected by the physiological signal sensing device is determined to be abnormal, an emergency alert can be sent to the user (such as a driver driving), his guardian (family outside, designated contact, medical hospital) Institute, emergency center, security center, community property management center Etc.), through the connection with the remote server, the information of the user's location can be sent instantly, so that the guardian can make immediate medical measures. The above-mentioned "abnormal conditions" include, but are not limited to, at least one of the physiological signs of the immediate detection is higher or lower than the preset normal value error range (indicating that there may be an impending acute health or accident risk), all The physiological signs of immediate detection disappear simultaneously (indicating that the user may be out of bed, dropped or the detection device is removed), etc.

In summary, the physiological signal sensing device of the new embodiment utilizes a sound-transmitting member having a closed-cell structure, which can generate an acoustic resonance effect on the fine-motion sound wave vibrations such as heart sounds, breath sounds, or organ sounds, and effectively vibrate the air. The amount is increased, and then received and matched by the sound source sensor, and the signal processing and identification can be achieved without using a digital chip, a pressure sensor, a micro motion sensor, etc. at the contact point to achieve accurate detection and recording. To analyze the effects of physiological phenomena, the body-made device can not only be directly washed, but also electronic parts can not directly contact the human body. In terms of structural innovation, measurement accuracy, ease of processing, and reduction of manufacturing costs, There are great advantages.

Although the present invention has been disclosed in the above embodiments, it is not intended to limit the present invention. Any one skilled in the art can make various changes and retouchings without departing from the spirit and scope of the present invention. The scope is subject to the definition of the scope of the patent application attached.

100‧‧‧physiological signal sensing device

110‧‧‧Sounds

120‧‧‧Set parts

130‧‧‧Source receiving device

140‧‧‧ concave edge

Claims (17)

A physiological signal sensing device includes: a sensing pad for sensing a signal; a sound or differential pressure signal transmitting component; and a sound or differential pressure receiving module, wherein the sound or differential pressure signal transmitting component Connected between the sensing pad and the sound or differential pressure receiving module for transmitting the signal to the sound or differential pressure receiving module. The physiological signal sensing device of claim 1, wherein the sensing pad comprises a sealed space, and the sound or differential pressure receiving module comprises a signal receiving device for receiving the signal that is a sound or pressure change. And the sound or differential pressure signal transmitting member includes at least one channel, the at least one channel is inserted into the sealed space from a surface of the sensing pad for amplifying sound waves from a top surface of the sensing pad or The signal of pressure change, wherein the free end of the at least one channel is a predetermined distance from the surface. The physiological signal sensing device of claim 2, wherein the sound or differential pressure signal transmitting member further comprises a connecting channel, and the at least one channel comprises a first channel and a second channel, the connecting channel is connected to The signal receiving device, the first channel and the second channel, and the sensing pad form a strip shape, and includes a first side, a second side and the top side, the first side The top surface is connected to the first side edge and the second side edge opposite to the second side, the surface is an outer surface of the first side, the first channel and the second channel The free end is a predetermined distance that is different from the surface. The physiological signal sensing device of claim 3, wherein the free end of the first channel is adjacent to the first side and the free end of the second channel is adjacent to the second side. The physiological signal sensing device of claim 3, wherein the connecting channel is Y-shaped, and an angle between the first channel and the second channel is less than 90 degrees. The physiological signal sensing device of claim 2, wherein the at least one channel comprises a first channel and a second channel, and the sound or differential pressure receiving module further comprises another signal receiving device, the sensing pad Forming a strip shape, and comprising a first side edge, a second side edge and the top surface, the first side edge being opposite to the second side edge, the top surface being connected to the first side edge and the first side Between the two sides, the surface is the outer surface of the first side, the free ends of the first channel and the second channel are different from the surface by a predetermined distance, and the first channel is connected to the sensing pad and The signal is received between the devices, and the second channel is connected between the sensing pad and the other signal receiving device. The physiological signal sensing device of claim 6, wherein the first channel and the second channel are substantially linear. The physiological signal sensing device of claim 2, wherein the signal receiving device comprises a pressure sensing device, and the pressure sensing device comprises a force sensing layer. The physiological signal sensing device of claim 1, wherein the sensing pad comprises a sound transmitting member, and the sound transmitting member comprises a plurality of independent closed-cell structures that are not connected to each other; the sound or differential pressure signal transmitting member Contains a set of sounds that contain: a first end portion contacting a surface of the sound transmitting member; and a uniform hole extending from the first end portion to a second end portion; and the sound or differential pressure receiving module includes a sound source receiving device, the sound source The receiving device comprises: a receiving end connected to the second end of the sound collecting member; and a sensing component connected to the receiving end to receive the signal transmitted by the sound transmitting component and including a sound wave. The physiological signal sensing device of claim 9, wherein the sound collecting member comprises at least a first sound collecting portion and a second sound collecting portion, a first end portion of the first sound collecting portion independently contacting the first sound collecting portion At least one surface of the sound transmitting member, the second sound collecting portion including a plurality of interfaces respectively connecting the second ends of the one of the first sound collecting portions. The physiological signal sensing device of claim 9, further comprising at least one coating covering the surface of the sounding member in contact with the first end, the coating comprising a fabric, flocking or polymer layer. The physiological signal sensing device of claim 9, further comprising a signal processing device for converting the sound wave received by the sensing component into an electronic signal. The physiological signal sensing device according to claim 9, wherein the closed-cell structure is defined by a polymer foam material or a natural porous material, and the polymer foam material or the natural porous material has 10-100. % closed cell ratio. The physiological signal sensing device according to claim 13, wherein the polymer foamed material has a density of 15 to 200 kg/cm ³ . The physiological signal sensing device according to claim 13, wherein the polymer foamed material has a density of 25 to 50 kg/cm ³ . The physiological signal sensing device of claim 13, wherein the polymer foaming material comprises Ethylene vinyl acetate (EVA), irradiation cross-linked polyethylene (IXPE), cross-linked polyethylene (XPE), and chloroprene rubber (CR) , styrene butadiene rubber (SBR), polyvinyl chloride (PVC), ethylene-propylene ternary rubber (EPDM), polyethylene compound (EPE), Acrylonitrile Butadiene rubber (NBR) or Polyurethane (PU) or any combination thereof. The physiological signal sensing device of claim 9, wherein the closed cells are defined by a composite material, the composite material being a continuous polymer foam containing a plurality of discrete porous particles or fragments.