CN111493926A - Combined wireless stethoscope applicable to worn protective clothing - Google Patents

Abstract

The invention discloses a combined wireless stethoscope suitable for being worn by protective clothing, which comprises an earphone component, a sound guide ear component, a wireless headset component, an earphone cover, a vibrating reed, a fixed seat, a placing groove, a connecting cover, a sound sensitive sensor, an A/D converter, a WiFi transmitter, a Y conduction tube, earplugs, a butt plug, a fixed cover, a wireless receiving module, a P L C processor, an elastic frame, a sound-proof cover and a sound production driving unit.

Description

A combined wireless stethoscope suitable for wearing protective clothing

technical field

The present invention relates to the technical field of stethoscopes, in particular to a combined wireless stethoscope suitable for wearing protective clothing.

Background technique

The main symptom of the former new coronavirus infection is pneumonia. Under normal circumstances, the diagnosis methods for pneumonia are mainly the following: body temperature measurement, CT detection, pharyngeal test nucleic acid detection and auscultation. A. Body temperature measurement only has a preliminary auxiliary judgment function, and it cannot be ruled out that the patient has a common fever, so further scientific testing is needed. B. The use of CT detection method requires repeated CT imaging, which not only increases the risk of cross-infection of patients, but also increases the burden on medical workers, and there may be a risk of excessive radiation exposure to patients. C. The nucleic acid detection cycle of pharyngeal swabs is long, the cost is high, the efficiency is slow, and it is impossible to quickly diagnose a large number of patients. D. Using a stethoscope to judge the development of a patient's condition is not only convenient and flexible, but also highly efficient, and can effectively track the patient's condition periodically, so it is widely recommended and used in clinical practice. However, since the outbreak of the new crown pneumonia, traditional in-ear stethoscopes cannot be used when doctors are wearing protective clothing, mainly due to the following problems:

1. Because the protective clothing wraps the head and body of the medical staff, the traditional in-ear stethoscope cannot be worn, and the earplugs cannot be buckled into the ears.

2. Even if it can be worn, the traditional stethoscope is a mechanical vibration conduction structure and lacks sound insulation function. When the protective clothing is blocked, it will greatly interfere with the transmitted sound, and the clarity will be extremely poor, resulting in auscultation failure and ultimately restricting problems of clinical application.

3. At the same time, the structure of the current traditional stethoscope is designed as a whole, so it cannot be disassembled and separated, which leads to inconvenience in soaking and disinfection, and affects subsequent safe use.

In view of the above defects, it is necessary to design a combined wireless stethoscope suitable for wearing protective clothing.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a combined wireless stethoscope suitable for wearing protective clothing to solve the problems raised by the background technology.

In order to solve the above-mentioned technical problems, the technical solution of the present invention is: a combined wireless stethoscope suitable for wearing protective clothing, including an earpiece assembly, a sound-guiding ear assembly and a wireless headset assembly, the earpiece assembly is composed of an ear cup, Vibrating sheet, fixing base, placement slot, connection cover, acoustic sensor, A/D converter and WiFi transmitter. The headset assembly is composed of a fixed cover, a wireless receiving module, a PLC processor, an elastic frame, a sound insulation cover and a sound-emitting drive unit. The sound-guiding ear assembly and the earpiece assembly are connected by plugging, and the earpiece assembly is connected with the wireless headset assembly. The sound signal is transmitted in the WiFi-470MHZ frequency band. The vibrating piece is fixed at the lower end of the ear cup. The vibrating piece and the ear cup are connected by sliding up and down. The fixing seat and the hearing cover are integrally formed, the placing groove is located inside the fixing seat, the placing groove is a circular groove, the connecting cover is placed on the top of the inside of the hearing cover, and the connecting cover is connected to the inner top of the hearing cover. The listening cover is connected by tight fitting, the sound sensitive sensor is fixed on the lower end of the connecting cover, the sound sensitive sensor is connected with the connecting cover by bolts, and the A/D converter is fixed on the left side of the connecting cover , the A/D converter and the connection cover are connected by bolts, and the A/D converter and the acoustic sensor are connected by signal lines, and the WiFi transmitter is fixed on the right side of the connection cover, so The WiFi transmitter and the connection cover are connected by bolts, and the A/D converter and the WiFi transmitter are connected by signal lines. The earplugs are fixed on the left and right sides of the top of the Y conduction tube. The Y conduction tube is connected by adhesive, the butt plug is fixed on the bottom of the Y conduction tube, the butt plug and the Y conduction tube are connected by hot melt, and the butt plug and the placement groove are connected by internal and external threads. The wireless receiving module is fixed on the inner top of the fixed cover, the wireless receiving module and the fixed cover are connected by bolts, the PLC processor is fixed on the inner middle end of the fixed cover, and the PLC processor and the fixed cover are Bolt connection, and the PLC processor and the wireless receiving module are connected by signal lines, the elastic frame is fixed on the left and right sides of the fixed cover, the elastic frame and the fixed cover are integrally formed, and the sound insulation cover is fixed. Set on the bottom of the elastic frame, the soundproof cover and the elastic frame are connected by bolts, the sound driving unit is fixed on the inner wall of the soundproof cover, the sound driving unit and the soundproof cover are connected by adhesive, and the sound driving unit is The unit and the PLC processor are connected by signal lines.

Further, a protective net is also fixed at the bottom of the hearing cover, the protective net and the hearing cover are connected by welding, and the rear end of the hearing cover is also provided with an avoidance hole, and the avoidance hole is a circular through hole. hole.

Further, a spring is also fixed on the left side of the placement groove, the spring and the fixing seat are connected by welding, and a blocking block is also fixed on the right side of the spring, and the blocking block and the spring are connected by welding. Welded connection, and the blocking block is slidingly connected with the placement groove.

Further, the internal rear end of the connection cover is also fixed with an I battery, the I battery and the connection cover are connected by bolts, and the I battery is respectively connected with the acoustic sensor, the A/D converter and the WiFi transmitter. Connect with power cord.

Further, a sound guide hole is also provided on the left side of the inner front end of the butt plug, and the sound guide hole is a waist-shaped through hole.

Further, the inner rear end of the fixed cover is also fixed with an II battery, the II battery is connected with the fixed cover by bolts, and the II battery is respectively connected with the wireless receiving module, the PLC processor and the sound driving unit using power supply. line connection.

Compared with the prior art, the combined wireless stethoscope suitable for wearing protective clothing can satisfy both wireless and wired functions through an ingenious combined design, and not only realize the normal state of the stethoscope according to the needs of specific clinical conditions. , which is convenient for the stethoscope to be used under normal circumstances. In addition, during the epidemic, it can be cleverly disassembled to facilitate accurate wireless auscultation after wearing protective clothing by medical staff, which not only ensures the accurate effect of auscultation, but also greatly reduces the cost of auscultation. At the same time, when disassembled, due to the separation of electrical components and non-electrical devices, it can be easily immersed and disinfected, and the germicidal effect is improved. In conclusion, it solves the problem that the existing stethoscope cannot be easily auscultated by medical staff due to the influence of protective clothing. Therefore, the present invention has extremely high promotion and application value.

Description of drawings

Figure 1 is a top view of a combined wireless stethoscope suitable for wearing protective clothing;

2 is a perspective view of a combined wireless stethoscope suitable for wearing protective clothing;

3 is a cross-sectional view of a combined wireless stethoscope suitable for wearing protective clothing;

Figure 4 is a perspective enlarged view of the earpiece assembly;

Figure 5 is an enlarged top view of the handset assembly;

Fig. 6 is the B-direction cross-sectional enlarged view of the earpiece assembly;

Fig. 7 is the C-direction cross-sectional enlarged view of the earpiece assembly;

Figure 8 is an enlarged view of the butt plug part;

Fig. 9 is an enlarged cross-sectional view of a portion of the fixed cover.

Earpiece assembly 1, sound guide ear assembly 2, wireless headset assembly 3, ear cup 4, vibrating piece 5, fixing base 6, placement slot 7, connection cover 8, acoustic sensor 9, A/D converter 10, WiFi transmitter 11, Y conduction tube 12, earplugs 13, docking plug 14, fixed cover 15, wireless receiving module 16, PLC processor 17, elastic frame 18, soundproof cover 19, sound driving unit 20, protective net 401, avoidance hole 402, Spring 701 , blocking block 702 , I battery 801 , sound guide hole 1401 , and II battery 1501 .

The following specific embodiments will be further described with reference to the above drawings.

Detailed ways

In the following, various specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments, however, it will be apparent to those skilled in the art that the described embodiments may be described without these specific details In some or all cases, well-known processing steps are not described in detail.

As shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, a combined wireless stethoscope suitable for wearing protective clothing, including a stethoscope assembly 1, a guide Sound and ear assembly 2, wireless headset assembly 3, ear cup 4, vibrating piece 5, fixing base 6, placement slot 7, connection cover 8, acoustic sensor 9, A/D converter 10, WiFi transmitter 11, Y conduction Tube 12 , earplugs 13 , docking plug 14 , fixed cover 15 , wireless receiving module 16 , PLC processor 17 , elastic frame 18 , soundproof cover 19 , sound driving unit 20 , the sound guide ear assembly 2 and the earpiece assembly 1 Using plug-in connection, the earpiece assembly 1 and the wireless headset assembly 3 use WiFi-470MHZ frequency band to transmit the sound signal, the vibrating piece 5 is fixed on the inner lower end of the ear cup 4, and the vibrating sheet 5 is connected to the ear cup. 4. Adopting up and down sliding connection, the fixing seat 6 is fixed at the rear end of the outer wall of the hearing cover 4, the fixing seat 6 is integrally formed with the hearing cover 4, the placing slot 7 is located inside the fixing seat 6, and the The placement groove 7 is a circular groove, the connecting cover 8 is placed on the inner top of the hearing cover 4, the connecting cover 8 is tightly connected with the hearing cover 4, and the acoustic sensor 9 is fixed on the connecting cover 8. At the lower end of the interior, the acoustic sensor 9 and the connection cover 8 are connected by bolts, the A/D converter 10 is fixed on the left side of the connection cover 8, and the A/D converter 10 is connected to the connection cover 8. 8 is connected by bolts, and the A/D converter 10 and the acoustic sensor 9 are connected by a signal line, the WiFi transmitter 11 is fixed on the inner right side of the connection cover 8, and the WiFi transmitter 11 is connected to the The connection cover 8 is connected by bolts, and the A/D converter 10 and the WiFi transmitter 11 are connected by signal lines. The earplugs 13 are fixed on the left and right sides of the top of the Y conduction tube 12. The Y conduction tube 12 is connected by adhesive, the butt plug 14 is fixed on the bottom of the Y conduction tube 12 , the butt plug 14 and the Y conduction tube 12 are connected by hot melt, and the butt plug 14 is connected to the placement slot 7 Using internal and external thread connection, the wireless receiving module 16 is fixed on the inner top of the fixed cover 15 , the wireless receiving module 16 is connected with the fixed cover 15 by bolts, and the PLC processor 17 is fixed inside the fixed cover 15 . In the middle end, the PLC processor 17 and the fixed cover 15 are connected by bolts, and the PLC processor 17 and the wireless receiving module 16 are connected by a signal line, and the elastic frame 18 is fixed on the left and right sides of the fixed cover 15. On the side, the elastic frame 18 and the fixed cover 15 are integrally formed, the sound insulation cover 19 is fixed on the bottom of the elastic frame 18, the sound insulation cover 19 and the elastic frame 18 are connected by bolts, and the sound driving unit 20 Fixed on the inner wall of the sound-proof cover 19, the sound-emitting drive unit 20 and the sound-proof cover 19 are connected by adhesive, and the sound-emitting drive unit 20 and the PLC processor 17 are connected by a signal line;

It should be noted that under normal circumstances, medical staff can insert the butt plug 14 into the placement slot 7, that is, to realize the combination of the sound-guiding ear assembly 2 and the earpiece assembly 1. During auscultation, the vibrating piece 5 inside the ear cup 4 It can detect the body of the patient, and transmit the frequency of the detected vibration to the sound guide hole 1401 of the docking plug 14 through the avoidance hole 402 and the placement slot 7, and then transmit it to the earplug 13 through the Y conduction tube 12, and then the medical staff only needs to pass the earplug 13. Auscultation examination can be performed on the patient. At this time, through the above, the existing conventional auscultation examination is satisfied; during the epidemic period, when medical staff wearing protective clothing is using a stethoscope, they only need to rotate the docking plug 14 and the placement slot 7 in advance. Separate, and then put the wireless headset assembly 3 on the outer side of the head of the protective suit, even if the soundproof cover 19 is in the ear area, the wearing of the wireless headset assembly 3 is realized through the clamping effect of the elastic frame 18, and then the medical staff opens the earpiece. The power supplies of the component 1 and the wireless headset component 3 enable the acoustic sensor 9, the A/D converter 10, the WiFi transmitter 11, the wireless receiving module 16, the PLC processor 17, and the sound driving unit 20 to be turned on synchronously, that is, the WiFi transmitter 11 Connect with the wireless receiving module 16 using the WiFi-470MHZ frequency band, and then when the medical staff places the earpiece assembly 1 in the patient's auscultation area to make the vibrating sheet 5 vibrate synchronously, the acoustic sensor 9 can convert the mechanical vibration into an electrical signal, that is, through the built-in A condenser electret microphone that is sensitive to sound, the sound wave makes the electret film in the microphone vibrate, resulting in a change in capacitance, and a tiny voltage corresponding to the change is generated, which is collected by the A/D converter 10, and then The signal is transmitted to the WiFi transmitter 11, and then the WiFi transmitter 11 transmits it to the wireless receiving module 16 through the 470MHZ frequency band, and then the wireless receiving module 16 transmits the pulse signal to the PLC processor 17, and finally decodes it by the PLC processor 17. The sound data is converted into an electrical signal to amplify the sound through the sound driving unit 20. At the same time, due to the function of the soundproof cover 19, it can also play a role in sound insulation and noise reduction, which improves the clarity of auscultation by medical staff, thereby achieving the purpose of wireless auscultation and satisfying In addition, because the sound guiding ear assembly 2 and the earpiece assembly 1 are detachable, and the connection cover 8 and the ear cover 4 are tightly connected, they can be pulled out and separated, so the medical staff can 4. Soak and sterilize the sound guide ear assembly 2, and sterilize the entire connection cover 8 and the wireless headset assembly 3 by ultraviolet irradiation. To sum up, the disinfection and sterilization are improved, and it is convenient for clinical use. The model of the acoustic sensor 9 is BR-ZS1. The model of A/D converter 10 is MXT8244/45-audio digital-to-analog converter, the model of WiFi transmitter 11 is Tenda U9650M, the model of wireless receiving module 16 is RXB7 wireless receiving module, and the model of PLC processor 17 is MD6200S FM audio processor, sound drive unit 20 The model is Sennheiser HD650 sound unit;

The bottom of the hearing cover 4 is also fixed with a protective net 401. The protective net 401 and the hearing cover 4 are connected by welding. The inner rear end of the hearing cover 4 is also provided with an avoidance hole 402. The avoidance hole 402 is a circular through hole;

It should be noted that the protective net 401 mainly protects the vibrating sheet 5, and at the same time, due to the structure of the net cover, it does not affect the effective transmission of the vibration frequency, and the avoidance hole 402 is to facilitate the transmission of the vibration audio inside the ear cover 4 to the sound guide ear. In the Y conducting tube 12 of the assembly 2;

A spring 701 is also fixed on the left side of the placement slot 7, the spring 701 is connected with the fixing seat 6 by welding, and a blocking block 702 is also fixed on the right side of the spring 701. The block 702 is connected with the spring 701 by welding, and the blocking block 702 is slidably connected with the placement groove 7;

It should be noted that the spring 701 has good shrinkage and resilience. When the butt plug 14 is inserted into the placement slot 7 to squeeze the left blocking block 702, due to the shrinkage of the spring 701, the blocking block 702 can be easily blocked. Move to the left along the placement slot 7, that is, the avoidance hole 402 is exposed, and it is convenient for the sound to be transmitted from the sound guide hole 1401 to the subsequent Y conduction tube 12 through the avoidance hole 402. Under the action of the rebound force of the spring 701, the blocking block 702 is slid to the right, that is, the avoidance hole 402 is blocked, which has a sound insulation effect and is convenient for the sound recording by the sound sensitive sensor 9 above;

The inner rear end of the connection cover 8 is also fixed with an I battery 801. The I battery 801 is connected with the connection cover 8 by bolts, and the I battery 801 is respectively connected to the acoustic sensor 9 and the A/D converter. 10 and the WiFi transmitter 11 are connected by a power cord;

It should be noted that the I battery 801 is used to supply power to the acoustic sensor 9, the A/D converter 10 and the WiFi transmitter 11, and can be charged through the rear USB interface of the I battery 801;

A sound guide hole 1401 is also provided on the left side of the inner front end of the butt plug 14, and the sound guide hole 1401 is a waist-shaped through hole;

It should be noted that the sound guide hole 1401 is for the vibration sound conducted by the vibrating sheet 5 to enter the sound guide ear assembly 2 through the sound guide hole 1401, so as to facilitate the subsequent auscultation of medical staff;

The inner rear end of the fixed cover 15 is also fixed with an II battery 1501, the II battery 1501 is connected with the fixed cover 15 by bolts, and the II battery 1501 is respectively connected with the wireless receiving module 16, the PLC processor 17 and the The sound driving unit 20 is connected by a power cord;

It should be noted that the II battery 1501 is used to supply power to the wireless receiving module 16, the PLC processor 17 and the sound driving unit 20, and can be charged through the rear USB interface of the II battery 1501.

Claims (5)

1. A combined wireless stethoscope suitable for wearing protective clothing, including an earpiece assembly, a sound-guiding ear assembly and a wireless headset assembly. , sound sensitive sensor, A/D converter and WiFi transmitter, the sound guide ear component is composed of Y conduction tube, earplugs and docking plug, the wireless headset component is composed of a fixed cover, a wireless receiving module, a PLC It is composed of a processor, an elastic frame, a soundproof cover and a sound-emitting drive unit. The sound-guiding ear component and the earpiece component are connected by plugging, and the earpiece component and the wireless headset component use the WiFi-470MHZ frequency band to transmit sound signals, so The vibrating piece is fixed on the inner lower end of the ear cup, the fixed seat is fixed on the rear end of the outer wall of the ear cup, the placement groove is located inside the fixed seat, the connection cover is placed on the top of the ear cup, the The acoustic sensor is fixed on the lower end of the connection cover, the A/D converter is fixed on the left side of the connection cover, and the A/D converter and the acoustic sensor are connected by signal lines. The WiFi transmitter is fixed on the inner right side of the connection cover, and the A/D converter and the WiFi transmitter are connected by signal lines, the earplugs are fixed on the left and right sides of the top of the Y conduction tube, and the docking plug It is fixed on the bottom of the Y conduction tube, and the docking plug and the placement slot are connected by internal and external threads, the wireless receiving module is fixed on the top of the fixed cover, and the PLC processor is fixed on the middle end of the fixed cover. , and the PLC processor and the wireless receiving module are connected by signal lines, the elastic frame is fixed on the left and right sides of the fixed cover, the sound insulation cover is fixed at the bottom of the elastic frame, and the sound driving unit is fixed It is arranged on the inner wall of the soundproof cover, and the sound driving unit is connected with the PLC processor by a signal line. 2. A combined wireless stethoscope suitable for wearing protective clothing as claimed in claim 1, characterized in that a protective net is also fixed at the bottom of the hearing cover, and a rear end inside the hearing cover is also provided with an escapement. hole. 3. A combined wireless stethoscope suitable for wearing protective clothing as claimed in claim 1, characterized in that a spring is also fixed on the left side of the inside of the placement groove, and a seal is also fixed on the right side of the spring. The blocking block is slidably connected with the placing slot. 4. a kind of combined wireless stethoscope that is applicable to after wearing protective clothing as claimed in claim 1 is characterized in that described connection cover internal rear end is also fixed with 1 battery, and described 1 battery is respectively connected with the sound-sensitive battery. The sensor, A/D converter, and WiFi transmitter are connected by a power cable. 5 . The combined wireless stethoscope suitable for wearing protective clothing according to claim 1 , wherein a sound guide hole is further provided on the left side of the inner front end of the butt plug. 6 . A combined wireless stethoscope suitable for wearing protective clothing according to claim 1, characterized in that the inner rear end of the fixed cover is also fixed with an II battery, and the II battery is respectively connected with the wireless receiving module, The PLC processor and the sound drive unit are connected by a power cord.

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