Ear position early warning system and protection pillow

Abstract

The invention provides an ear position early warning system and a protection pillow. The system is characterized in that a microprocessor is electrically connected with a power supply circuit; the early warning circuit is electrically connected with the microprocessor; the ear position detection circuits are electrically connected with the microprocessor, the number of the ear position detection circuits is two, and the two ear position detection circuits respectively correspond to two ears of a user; the ear position detection circuit obtains position information of ears of a user and transmits the position information to the microprocessor, the microprocessor obtains alarm information according to a preset alarm threshold value and the position information, and the microprocessor controls the early warning circuit to give an alarm according to the alarm information. According to the scheme, the position information of the ears of the user is obtained through the ear position detection circuit, the position information is transmitted to the microprocessor, the microprocessor obtains the alarm information according to the preset alarm threshold value and the position information, and the microprocessor controls the early warning circuit to give an alarm according to the alarm information, so that ear position alarm can be realized; the damage to the ear part is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of postoperative ear protection, in particular to an ear position early warning system and a protective pillow. BACKGROUND

[0002] After the patient completes the ear surgery, a flat lying structure is often adopted to avoid causing ear extrusion. The existing pillow cannot effectively protect the patient's ear, and there is a situation of secondary injury of the ear due to extrusion. At the same time, the existing pillow cannot detect and timely warn the position of the patient's ear, and when the patient adjusts the posture unintentionally, there is a situation of secondary injury of the ear due to extrusion. SUMMARY

[0003] The present application provides an ear position early warning system and a protective pillow, which obtains the position information of the user's ear through an ear position detection circuit, and transmits the position information to a microprocessor, the microprocessor obtains alarm information according to a preset alarm threshold and the position information, and the microprocessor controls the early warning circuit to alarm according to the alarm information, so as to realize ear position alarm and avoid injury to the ear.

[0004] To solve the above technical problems, the technical scheme of the present application is as follows: An ear position early warning system, comprising: a power supply circuit; a microprocessor, which is electrically connected with the power supply circuit; an early warning circuit, which is electrically connected with the microprocessor; an ear position detection circuit, which is electrically connected with the microprocessor, and is provided with two, two ear position detection circuits corresponding to the user's two ears respectively; The ear position detection circuit obtains the position information of the user's ear, and transmits the position information to the microprocessor, the microprocessor obtains alarm information according to a preset alarm threshold and the position information, and the microprocessor controls the early warning circuit to alarm according to the alarm information.

[0005] Optionally, the two ear position detection circuits each comprise: a contact type detection circuit, when the user's ear contacts the contact type detection circuit, the contact type detection circuit obtains first position information, and transmits the first position information to the microprocessor, the microprocessor obtains first alarm information according to the first position information and a first alarm threshold, and the microprocessor controls the early warning circuit to alarm according to the first alarm information; wherein the first position information comprises pressure information; the first alarm threshold comprises a pressure threshold and a first time length threshold; or The non-contact detection circuit obtains second position information when the user's ear is close to the non-contact detection circuit by a preset distance, and transmits the second position information to the microprocessor. The microprocessor obtains second alarm information according to the second position information and a second alarm threshold. The microprocessor controls the early warning circuit to alarm according to the second alarm information. The second position information includes distance voltage information. The second alarm threshold includes a distance threshold and a second time length threshold.

[0006] Optionally, the contact detection circuit comprises: A plurality of thin film pressure sensors are arranged in a straight line and correspond to the user's ear. The detection end of the plurality of thin film pressure sensors is covered with a medical sponge pad. When the user's ear contacts the medical sponge pad, the plurality of thin film pressure sensors generate pressure information. A plurality of amplifiers are electrically connected to the signal output end of the plurality of thin film pressure sensors. The signal output end of the plurality of amplifiers is electrically connected to the plurality of signal input ports of the microprocessor. The power supply end of the plurality of amplifiers is electrically connected to the power supply circuit.

[0007] Optionally, the non-contact detection circuit comprises: An electromagnetic wave chip, wherein the power supply end of the electromagnetic wave chip is electrically connected to the power supply circuit. Two coil antennas are provided, and the two coil wires are electrically connected to the electromagnetic wave chip. The two coil wires correspond to the user's two ears, respectively. An operational amplifier, wherein the signal input end of the operational amplifier is electrically connected to the signal output end of the electromagnetic wave chip. An analog-to-digital converter, wherein the signal input end of the analog-to-digital converter is electrically connected to the signal output end of the operational amplifier, and the signal output end of the analog-to-digital converter is electrically connected to the signal input end of the microprocessor. When the user's ear is close to the coil antenna, the electromagnetic wave chip, the operational amplifier, and the analog-to-digital converter cooperate to generate distance voltage information.

[0008] Optionally, the power supply circuit comprises: A lithium battery; A charging module, wherein the charging module is electrically connected to the lithium battery. A charging connector, wherein the charging connector is electrically connected to the charging module. A voltage stabilizer, wherein the input end of the voltage stabilizer is electrically connected to the lithium battery, and the output end of the voltage stabilizer is a power supply output end.

[0009] Optionally, the early warning circuit comprises: A buzzer, an indicator light and a vibration motor, all of which are electrically connected with the microprocessor and the power supply circuit.

[0010] Optionally, the ear position early warning system further comprises: A Bluetooth module, which is electrically connected with the microprocessor and the power supply circuit.

[0011] The application further provides an ear protection pillow, comprising: A pillow, which is provided with an ear recess cavity on the surface, the ear recess cavity extending along the length direction of the pillow and corresponding to the ears of a user; A neck lifting area, which is in a recessed structure and formed on the upper surface of the pillow and corresponding to the middle part of the ear recess cavity; A back brain bearing area, which is in a recessed structure and formed on the upper surface of the pillow and corresponding to the middle part of the ear recess cavity; A bearing plate, which is embedded in the pillow; The ear position early warning system described above is arranged on the surface of the bearing plate, two ear position detection circuits of the ear position early warning system corresponding to the ear recess cavity, the two ear position detection circuits being symmetrically distributed with the connecting line of the neck lifting area and the back brain bearing area as the reference and corresponding to the ears of a user respectively.

[0012] Optionally, the ear protection pillow further comprises: An exposure port, which corresponds to the charging connector of the power supply circuit.

[0013] Optionally, the first edge of the bearing plate penetrates through the outer side of the pillow, the indicator light of the early warning circuit being connected with the first edge of the bearing plate, and the indicator light being exposed from the pillow.

[0014] The above scheme of the application has at least the following beneficial effects: The above scheme of the application acquires the position information of the ears of a user through the ear position detection circuit, transmits the position information to the microprocessor, obtains the alarm information according to the preset alarm threshold and the position information, and controls the early warning circuit to alarm according to the alarm information, so that the ear position alarm can be realized and the ears can be protected from being hurt. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is the module diagram of the ear position early warning system provided by the embodiment of the application. Figure 2 is a module diagram of the contact detection circuit in the ear position warning system provided by the embodiment of the present application; Figure 3 is a module diagram of the non-contact detection circuit in the ear position warning system provided by the embodiment of the present application; Figure 4 is a module diagram of the charging circuit in the ear position warning system provided by the embodiment of the present application; Figure 5 is a module diagram of the first application of the ear position warning system provided by the embodiment of the present application; Figure 6 is a module diagram of the second application of the ear position warning system provided by the embodiment of the present application; Figure 7 is a structural schematic diagram of the ear protection pillow provided by the embodiment of the present application; Figure 8 is an internal structural schematic diagram of the first application of the ear protection pillow provided by the embodiment of the present application; Figure 9 is an internal structural schematic diagram of the second application of the ear protection pillow provided by the embodiment of the present application.

[0016] BRIEF DESCRIPTION OF DRAWINGS 1, microprocessor; 2, ear position detection circuit; 21, thin film pressure sensor; 22, amplifier; 23, electromagnetic wave chip; 24, operational amplifier; 25, analog-to-digital converter; 26, coil antenna; 3, warning circuit; 31, buzzer; 32, indicator light; 33, vibration motor; 4, power supply circuit; 41, lithium battery; 42, charging module; 43, charging connector; 44, voltage stabilizer; 5, Bluetooth module; 61, pillow; 62, ear recess cavity; 63, neck lifting area; 64, occipital load area. DETAILED DESCRIPTION

[0017] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it is understood that the present application can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this application will be thorough and complete, and will fully convey the scope of the application to those skilled in the art.

[0018] As shown in Figures 1 to 6 , the embodiment of the present application proposes an ear position warning system, comprising: a power supply circuit 4; a microprocessor 1, the microprocessor 1 being electrically connected with the power supply circuit 4; a warning circuit 3, the warning circuit 3 being electrically connected with the microprocessor 1; The ear position detection circuit 2 is electrically connected with the microprocessor 1, and two ear position detection circuits 2 are arranged, and the two ear position detection circuits 2 correspond to two ears of the user respectively. The ear position detection circuit 2 obtains position information of the ear of the user and transmits the position information to the microprocessor 1, the microprocessor 1 obtains alarm information according to a preset alarm threshold and the position information, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the alarm information.

[0019] In the embodiment, the position information of the ear of the user is obtained by the ear position detection circuit 2, and the position information is transmitted to the microprocessor 1, the microprocessor 1 obtains alarm information according to a preset alarm threshold and the position information, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the alarm information, so that ear position alarm can be realized, and damage to the ear is avoided. The ear position detection circuit 2 is electrically connected with the microprocessor 1, and two ear position detection circuits 2 are arranged, and the two ear position detection circuits 2 correspond to two ears of the user respectively, the positions of the two ears of the user are detected by the two ear position detection circuits 2 respectively, and the two ears of the user are protected by early warning, so that the two ears of the user are prevented from being damaged again.

[0020] In an optional embodiment of the present application, the two ear position detection circuits 2 each include: A contact type detection circuit, when the ear of the user contacts the contact type detection circuit, the contact type detection circuit obtains first position information and transmits the first position information to the microprocessor 1, the microprocessor 1 obtains first alarm information according to the first position information and a first alarm threshold, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the first alarm information; wherein the first position information includes pressure information; the first alarm threshold includes a pressure threshold and a first time length threshold; or A non-contact type detection circuit, when the ear of the user is close to the non-contact type detection circuit by a preset distance, the non-contact type detection circuit obtains second position information and transmits the second position information to the microprocessor 1, the microprocessor 1 obtains second alarm information according to the second position information and a second alarm threshold, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the second alarm information; wherein the second position information includes distance voltage information; and the second alarm threshold includes a distance threshold and a second time length threshold.

[0021] In the embodiment, the contact type detection circuit is used to detect the position of the user's ear, that is, when the user's ear contacts the detection component of the contact type detection circuit, the contact type detection circuit obtains first position information and transmits the first position information to the microprocessor 1, the microprocessor 1 obtains first alarm information according to the first position information and a first alarm threshold, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the first alarm information, so as to realize contact type detection and early warning protection. The non-contact type detection circuit is used to detect the position of the user's ear, that is, when the user's ear is close to the detection component of the non-contact type detection circuit within a preset distance, the non-contact type detection circuit obtains second position information and transmits the second position information to the microprocessor 1, the microprocessor 1 obtains second alarm information according to the second position information and a second alarm threshold, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the second alarm information, so as to realize non-contact type detection and early warning protection. In specific applications, the contact type detection circuit or the non-contact type detection circuit is selected according to the specific condition of the patient and the ear surgery condition, so as to meet different use scenarios.

[0022] As shown in Figure 2 and Figure 5 , in an optional embodiment of the application, the contact type detection circuit comprises: a plurality of thin film pressure sensors 21, the plurality of thin film pressure sensors 21 are sequentially distributed along a straight line, the plurality of thin film pressure sensors 21 correspond to the user's ear, the detection end of the plurality of thin film pressure sensors 21 is covered with a medical sponge pad, and when the user's ear contacts the medical sponge pad, the plurality of thin film pressure sensors 21 generate pressure information as first position information; a plurality of amplifiers 22, the signal input end of each of the plurality of amplifiers 22 is electrically connected with the signal output end of each of the plurality of thin film pressure sensors 21, the signal output end of each of the plurality of amplifiers 22 is electrically connected with a plurality of signal input ports of the microprocessor 1, and the power supply end of each of the plurality of amplifiers 22 is electrically connected with the power supply circuit 4.

[0023] In this embodiment, when the user's ear is in contact with the medical sponge pad, the thin film pressure sensor 21 generates pressure information, and the duration when the pressure information generated by the thin film pressure sensor 21 is greater than the preset pressure threshold is the first duration information; when the pressure information is greater than the preset pressure threshold and the first duration information is greater than the preset first duration threshold, the microprocessor 1 generates the first alarm information, and controls the early warning circuit 3 to alarm, reminding the user to adjust the posture, or reminding the caregiver of the user to timely adjust the posture of the user, so as to avoid the injury of the user's ear; wherein the thin film pressure sensor 21 can adopt a sensor of FlexiForce A201 model with a thickness of 0.2mm; the amplifier 22 can adopt an amplifier 22 of HX711 model; the pressure threshold can be 50g; the first duration threshold can be 1.5 seconds; the medical sponge pad can play a buffering protection role, and can detect the stress of the thin film pressure sensor 21 while flexibly adapting to the user's ear, so as to ensure the safety of the user's ear and avoid secondary damage.

[0024] As shown in Figure 3 and Figure 6 ; in an optional embodiment of the present application, the non-contact detection circuit comprises: An electromagnetic wave chip 23, the power supply end of the electromagnetic wave chip 23 is electrically connected with the power supply circuit 4; Two coil antennas 26, both of which are electrically connected with the electromagnetic wave chip 23, and both of which correspond to the two ears of the user respectively; An operational amplifier 24, the signal input end of the operational amplifier 24 is electrically connected with the signal output end of the electromagnetic wave chip 23; An analog-to-digital converter 25, the signal input end of the analog-to-digital converter 25 is electrically connected with the signal output end of the operational amplifier 24, and the signal output end of the analog-to-digital converter 25 is electrically connected with the signal input end of the microprocessor 1; When the user's ear is close to the coil antenna 26, the electromagnetic wave chip 23, the operational amplifier 24 and the analog-to-digital converter 25 cooperate to generate distance voltage information.

[0025] In this embodiment, when the user's ear is close to the coil antenna 26, the electromagnetic wave chip 23 will generate a voltage signal, which is amplified by the operational amplifier 24 and then converted into a digital voltage signal by the analog-to-digital converter 25 as distance voltage information, and the distance voltage information is transmitted to the microprocessor 1, and the microprocessor 1 converts the distance voltage information into distance information; Specifically, when the user's ear is close to the coil antenna 26, the electromagnetic field distribution around the coil antenna 26 will be changed, thereby affecting the induced voltage of the electromagnetic wave chip 23, and the relationship between the induced voltage of the electromagnetic wave chip 23 and the distance between the user's ear and the coil antenna 26 is as follows: ; wherein, represents the induced voltage of the electromagnetic wave chip 23; C represents a system calibration constant, which is determined by the performance parameters of the coil antenna 26 and the electromagnetic wave chip 23; n represents a distance attenuation coefficient, which is determined through experimental calibration; and d represents the distance between the user's ear and the coil antenna 26; represents the background noise voltage, which can be eliminated through calibration; The induced voltage of the electromagnetic wave chip 23 is amplified by the operational amplifier 24 to obtain a processing voltage, wherein, represents the processing voltage obtained after the processing of the operational amplifier 24; and A represents the fixed amplification multiple of the operational amplifier 24; represents the background noise voltage, which can be eliminated through calibration; The relationship between the processing voltage and the distance between the user's ear and the coil antenna 26 is as follows: ; wherein, represents the processing voltage obtained after the processing of the operational amplifier 24; n represents a distance attenuation coefficient, which is determined through experimental calibration; d represents the distance between the user's ear and the coil antenna 26; and K represents a calibration constant, which is determined through experimental calibration; The processing voltage is converted into a digital voltage by the analog-to-digital converter as distance voltage information V; The microprocessor 1 obtains the distance between the user's ear and the coil antenna 26 as distance information through wherein, d represents the distance between the user's ear and the coil antenna 26; n represents a distance attenuation coefficient, which is determined through experimental calibration; K represents a calibration constant, which is determined through experimental calibration; and V represents distance voltage information; The duration when the distance information is less than the preset distance threshold value is the second duration information. When the distance information is less than the preset distance threshold value and the second duration information is greater than the preset second duration threshold value, the microprocessor 1 generates second alarm information and controls the early warning circuit 3 to alarm, reminding the user to adjust the posture or reminding the caregiver of the user to timely adjust the posture of the user to avoid the injury of the user's ear. The electromagnetic wave chip 23 can adopt an EM4095 type low-frequency electromagnetic wave module. The near-field electric field formed by the electromagnetic wave chip 23 responds to the capacitive characteristics unique to the human body (ear), and remains silent to non-conductor materials such as hair and fabric, fundamentally eliminating the interference of non-living media, ensuring accurate early warning, and realizing absolutely safe and radiation-free early warning with a transmission power ≤1 mW. The distance threshold value can be 2 cm, and the second duration threshold value can be 1.2 seconds.

[0026] As Figure 4 , Figure 5And Figure 6 As shown in the figure, in an optional embodiment of the present application, the power supply circuit 4 comprises: The lithium battery 41; The charging module 42, the charging module 42 is electrically connected with the lithium battery 41; The charging connector 43, the charging connector 43 is electrically connected with the charging module 42; The voltage stabilizer 44, the input end of the voltage stabilizer 44 is electrically connected with the lithium battery 41, and the output end of the voltage stabilizer 44 is a power supply output end.

[0027] In this embodiment, the lithium battery 41 cooperates with the voltage stabilizer 44 to stabilize the power supply output, so as to provide stable power supply for the microprocessor 1, the early warning circuit 3 and the ear position detection circuit 2; the charging connector 43 and the charging module 42 can charge the lithium battery 41 by using commercial power, so as to ensure sufficient power.

[0028] As shown in the figure, in an optional embodiment of the present application, the early warning circuit 3 comprises: Figure 5 The buzzer 31, the indicator light 32 and the vibration motor 33, the buzzer 31, the indicator light 32 and the vibration motor 33 are all electrically connected with the microprocessor 1 and the power supply circuit 4. Figure 6 In this embodiment, the buzzer 31 is used for sound alarm, the vibration motor 33 is used for vibration alarm, and the indicator light 32 is used for light alarm, so as to remind the user or the caregiver of the user by multiple alarm modes, timely adjust the posture of the user, and avoid secondary damage to the ear of the user.

[0029] As shown in the figure, in an optional embodiment of the present application, the ear position early warning system further comprises: The Bluetooth module 5, the Bluetooth module 5 is electrically connected with the microprocessor 1 and the power supply circuit 4.

[0030] Figure 1 In this embodiment, the Bluetooth module 5 cooperates with the microprocessor 1 to transmit the alarm signal to the related electronic equipment of the caregiver of the user, so that the caregiver can timely receive the alarm when the caregiver is not around the user. The alarm process of the ear position early warning system:

[0031] The alarm process of the ear position early warning system:

[0032] The alarm process of the ear position early warning system: ​Contact type: when the user's ear is in contact with the medical sponge pad, the thin film pressure sensor 21 generates pressure information, and the pressure information generated by the thin film pressure sensor 21 is greater than the preset pressure threshold for a first time length information; when the pressure information is greater than the preset pressure threshold and the first time length information is greater than the preset first time length threshold, the microprocessor 1 generates the first alarm information, and controls the early warning circuit 3 to alarm, reminding the user to adjust the posture, or reminding the caregiver of the user to timely adjust the posture of the user, to avoid the user's ear from being injured; Non-contact type: when the user's ear is close to the coil antenna 26, the electromagnetic wave chip 23 generates a voltage signal, which is amplified by the operational amplifier 24 and converted into a digital voltage signal as distance voltage information by the analog-to-digital converter 25, and the distance voltage information is transmitted to the microprocessor 1, and the microprocessor 1 converts the distance voltage information into distance information, and the distance information is less than the preset distance threshold for a second time length information; when the distance information is less than the preset distance threshold and the second time length information is greater than the preset second time length threshold, the microprocessor 1 generates the second alarm information, and controls the early warning circuit 3 to alarm, reminding the user to adjust the posture, or reminding the caregiver of the user to timely adjust the posture of the user, to avoid the user's ear from being injured; The lithium battery 41 cooperates with the voltage stabilizer 44 to stabilize the power output, so as to provide stable power supply for the microprocessor 1, the early warning circuit 3 and the ear position detection circuit 2; and the charging connector 43 and the charging module 42 can charge the lithium battery 41 by using the mains, so as to ensure sufficient power.

[0033] The ear position early warning system provided by the above embodiment of the application can obtain the position information of the user's ear through the ear position detection circuit 2, and transmit the position information to the microprocessor 1; the microprocessor 1 obtains the alarm information according to the preset alarm threshold and the position information, and controls the early warning circuit 3 to alarm according to the alarm information, so that the ear position alarm can be realized, and the ear can be prevented from being injured.

[0034] As shown in Figures 7 to 9 The application further provides an ear protection pillow, which comprises: A pillow 61, wherein the surface of the pillow 61 is provided with an ear recess cavity 62, the ear recess cavity 62 extends along the length direction of the pillow 61, and the ear recess cavity 62 corresponds to the user's ear; A neck lifting area 63, wherein the neck lifting area 63 is in a recessed structure, the neck lifting area 63 is formed on the upper surface of the pillow 61, and the neck lifting area 63 corresponds to the middle part of the ear recess cavity 62; A back brain bearing area 64, wherein the back brain bearing area 64 is in a recessed structure, the back brain bearing area 64 is formed on the upper surface of the pillow 61, and the back brain bearing area 64 corresponds to the middle part of the ear recess cavity 62; The carrying plate is embedded in the inside of the pillow 61; The ear position early warning system is arranged on the surface of the carrying plate, the two ear position detection circuits 2 of the ear position early warning system correspond to the ear recess cavities 62, the two ear position detection circuits 2 are symmetrically distributed based on the connecting line of the neck lifting area 63 and the back carrying area 64, and the two ear position detection circuits 2 correspond to the ears of the user respectively.

[0035] In this embodiment, the head of the user is placed on the pillow 61, the neck of the user is positioned through the neck lifting area 63, the back of the user is positioned through the back carrying area 64, so that the head of the user is positioned, the two ears of the user correspond to the ear recess cavities 62, and the ears of the user are in a suspended state, which can avoid that the ears of the user are damaged due to the unintentional twisting of the head of the user, and can also ensure that the two ear position detection circuits 2 of the ear position early warning system correspond to the two ears of the user accurately, so that the position information of the two ears of the user can be detected accurately by the two ear position detection circuits 2, and the ears of the user can be protected, and when the posture of the user causes the ears to be injured, the position of the ears of the user is detected and early warning is performed through the ear position early warning system, so that the user can be reminded to adjust the posture in time, or the caregiver of the user can be reminded to adjust the posture of the user in time, so as to avoid the ears of the user from being injured.

[0036] In specific applications, as shown in Figure 8 A contact type detection circuit is used, a plurality of thin film pressure sensors 21 are embedded in the inner bottom of the ear recess cavity 62, the plurality of thin film pressure sensors 21 are distributed in a straight line in sequence, and the plurality of thin film pressure sensors 21 correspond to the ears of the user.

[0037] As shown in Figure 9 A non-contact type detection circuit is used, two coil antennas 26 are located below the ear recess cavity 62, the two coil antennas 26 are symmetrically distributed based on the connecting line of the neck lifting area 63 and the back carrying area 64, and the two coil antennas 26 correspond to the two ears of the user respectively; the lithium battery 41 is away from the coil antenna 26 and the electromagnetic wave chip 23, so as to avoid interference.

[0038] In an optional embodiment of the present application, the ear protection pillow further comprises: The exposure port corresponds to the charging connector 43 of the power supply circuit 4.

[0039] In this embodiment, the exposure port is arranged, so that the charging connector 43 can be connected to the commercial power supply, so that the charging connector 43 and the charging module 42 can charge the lithium battery 41 by using the commercial power supply, and the power supply is ensured to be sufficient.

[0040] In an optional embodiment of the present application, the first edge of the bearing plate penetrates the outer side of the pillow 61, and the indicator light 32 of the early warning circuit 3 is connected to the first edge of the bearing plate, and the indicator light 32 is exposed to the pillow 61.

[0041] In this embodiment, by connecting the indicator light 32 to the first edge of the bearing plate, the indicator light 32 can be exposed to the pillow 61, and the light alarm can be effectively received by the caregiver of the user.

[0042] The ear protection pillow provided by the above-mentioned embodiments of the present application positions the neck of the user through the neck lifting area 63 and positions the back of the head of the user through the back bearing area 64, so as to realize the positioning of the head of the user, and the two ears of the user correspond to the ear recess cavities 62, and the ears of the user are in a suspended state, which can avoid the damage to the ears caused by the unintentional twisting of the head of the user; the ear position detection circuit 2 obtains the position information of the ears of the user and transmits the position information to the microprocessor 1, the microprocessor 1 obtains the alarm information according to the preset alarm threshold and the position information, and the microprocessor 1 controls the early warning circuit 3 to alarm according to the alarm information, which can realize the ear position alarm and avoid the damage to the ears.

[0043] The above-mentioned is the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled in the art, without departing from the principles of the present application, a number of improvements and refinements can be made, and these improvements and refinements should also be considered as the protection scope of the present application.

Claims

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detection circuit, ear position detection circuit, ear position detection circuit, ear position detection circuit, ear position detection circuit, ear position detection circuit, ear position detection circuit, ear position ​ ​ ​ ​ ​ 2. The ear position warning system of claim 1, wherein ​ ​ ​ 3. The ear position warning system of claim 2, wherein ​ ​ ​ 4. The ear position warning system of claim 2, wherein ​ ​ ​ ​ ​ When the user's ear is close to the coil antenna, the electromagnetic wave chip, the operational amplifier and the analog-to-digital converter cooperate to generate distance voltage information.

5. The ear position warning system of claim 1, wherein The power supply circuit comprises: a lithium battery; a charging module electrically connected to the lithium battery; a charging connector electrically connected to the charging module; a voltage stabilizer having an input end electrically connected to the lithium battery and an output end serving as a power supply output end.

6. The ear position warning system of claim 1, wherein The early warning circuit comprises: a buzzer, an indicator light and a vibration motor, all of which are electrically connected to the microprocessor and the power supply circuit.

7. The ear position warning system of claim 1, wherein Further comprising: a Bluetooth module electrically connected to the microprocessor and the power supply circuit.

8. An ear protection pillow characterized in that Further comprising: a pillow having an ear recess cavity formed on a surface thereof and extending along a length direction of the pillow, the ear recess cavity corresponding to the user's ear; a neck lifting area in a recessed structure, the neck lifting area being formed on an upper surface of the pillow and corresponding to a middle part of the ear recess cavity; a back brain bearing area in a recessed structure, the back brain bearing area being formed on the upper surface of the pillow and corresponding to the middle part of the ear recess cavity; a bearing plate embedded in the pillow; an ear position early warning system according to any one of claims 1 to 7, the ear position early warning system being arranged on a surface of the bearing plate, two ear position detection circuits of the ear position early warning system corresponding to the ear recess cavity, the two ear position detection circuits being symmetrically distributed with respect to a connecting line of the neck lifting area and the back brain bearing area, and the two ear position detection circuits respectively corresponding to the user's ears.

9. The ear protection pillow of claim 8, wherein, Further comprising: an exposure opening corresponding to the charging connector of the power supply circuit.

10. The ear protection pillow of claim 8, wherein, A first edge portion of the bearing plate penetrates an outer side of the pillow, the indicator light of the early warning circuit is connected to the first edge portion of the bearing plate, and the indicator light is exposed from the pillow.

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