CN218686049U

CN218686049U - Swallowing pharyngeal muscle assessment training instrument

Info

Publication number: CN218686049U
Application number: CN202222491288.XU
Authority: CN
Inventors: 张迪; 吴郭涛; 杨万营; 马少丹
Original assignee: Xiangyu Medical Co ltd
Current assignee: Xiangyu Medical Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-24
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to the technical field of medical equipment, a swallow pharyngeal muscle aassessment training appearance is disclosed, the strainometer setting on elastic frame, the deformation of elastic frame also can make the strain resistance in the strainometer take place deformation. The user is through exerting oneself the power on the atress frame, and then arouses the deformation of elastic frame to change the voltage of strainometer, and then realize the aassessment to pharyngeal portion pharyngeal muscle through MCU. For among the prior art, on user's the direct action of exerting oneself on the sensor, adopt this technical scheme, user's the action of exerting oneself acts on atress frame and then makes the elastic frame take place deformation, and the deformation of elastic frame makes strain resistance take place deformation, through the enlargement of elastic frame to deformation degree behind the atress to improve strain resistance's deformation degree, and then improved the dynamometry precision.

Description

Swallowing pharyngeal muscle assessment training instrument

Technical Field

The utility model relates to the technical field of medical equipment, especially, relate to a swallow pharyngeal muscle aassessment training appearance.

Background

The evaluation training instrument for the swallow pharyngeal muscle strengthens the muscle strength of the tongue upper bones of the laryngeal muscle group, so that the airway protection is enhanced, and the food residue is reduced. During training, the pharyngeal muscle is evaluated by detecting the force of the pharyngeal muscle, and data can be provided for clinic to achieve the training purpose.

In the prior art, a thin film pressure sensor is often used for measuring the force. Set up film formula pressure sensor on the atress board, the user places the chin in the atress board and acts on force, and film formula pressure sensor can carry out the measurement of force according to elastic diaphragm's deformation degree. However, in this method, the force is directly applied to the diaphragm pressure sensor, and the deformation degree of the elastic diaphragm, which can be changed by the magnitude of the force, is small, so that the force measurement accuracy is reduced.

Therefore, the problem to be solved by the technical personnel in the field is how to improve the force measurement precision to improve the accuracy of evaluation of the swallow pharyngeal muscle.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a swallow pharyngeal muscle aassessment training appearance for improve the accuracy of measuring force precision in order to improve the evaluation of swallow pharyngeal muscle.

In order to solve the technical problem, the utility model provides a swallow pharyngeal muscle aassessment training appearance, include:

the elastic frame, the strain gauge, the stress frame and the MCU are arranged;

the stress frame is connected with the elastic frame, and the stress frame deforms the elastic frame when stressed;

the strain gauge is arranged at the elastic frame, and the deformation of the elastic frame causes the deformation of a strain resistor in the strain gauge;

the MCU is connected with the strain gauge so as to evaluate pharyngeal muscles according to the deformation of the strain resistor.

Preferably, the strain gauge comprises: the device comprises a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor, a foil type strain resistor and an analog-to-digital conversion chip;

the first end of the first capacitor is grounded, and the second end of the first capacitor is connected with the first end of the foil type strain resistor, a reference voltage pin and a voltage output pin of the analog-to-digital conversion chip; the analog ground pin of analog-to-digital conversion chip is grounded, the second end of foil type strain resistor is connected with the first end of the second capacitor and the first end of the first resistor, the third end of foil type strain resistor is grounded, the fourth end of foil type strain resistor is connected with the second end of the second capacitor and the first end of the second resistor, the second end of the first resistor is connected with the positive input end pin of the analog-to-digital conversion chip, the second end of the second resistor is connected with the negative input end pin of the analog-to-digital conversion chip, the digital voltage pin of the analog-to-digital conversion chip is connected with the first end of the third capacitor and the power supply, the second end of the third capacitor is grounded, the data output pin of the analog-to-digital conversion chip is connected with the data output pin of the MCU, and the clock pin of the analog-to-digital conversion chip is connected with the clock pin of the MCU.

Preferably, the method further comprises the following steps: a charging circuit;

the charging circuit is connected with a battery of the pharyngeal swallowing muscle evaluation training instrument and the MCU so as to be connected with a power supply to charge the battery and send charging information to the MCU.

Preferably, the charging circuit includes: the charging management circuit comprises a USB interface, a fourth capacitor, a fifth capacitor, a charging management chip, a sixth capacitor, a third resistor, a fourth resistor and a fifth resistor;

the USB interface is connected with the first end of the fourth capacitor, the first end of the fifth capacitor and the power input pin of the charging management chip, the second end of the fourth capacitor and the second end of the fifth capacitor are all grounded, the first end of the third resistor is connected with the maximum current setting pin of the charging management chip, the second end of the third resistor is grounded, the indication pin of the charging management chip is connected with the first end of the fourth resistor, the second end of the fourth resistor is connected with the first pull-up input pin of the MCU, the battery connection pin of the charging management chip is connected with the first end of the sixth capacitor and the anode of the battery, the second end of the sixth capacitor, the cathode of the battery and the ground pin of the charging management chip are all grounded, the charging state indication pin of the charging management chip is connected with the first end of the fifth resistor, and the second end of the fifth resistor is connected with the second pull-up input pin of the MCU.

Preferably, the method further comprises the following steps: a power management circuit;

the power management circuit is connected with the anode of the battery and the MCU so as to detect the electric quantity of the battery;

the MCU is also used for acquiring a key signal in the power management circuit and controlling the switch of the pharyngeal swallow muscle assessment training instrument according to the key signal.

Preferably, the power management circuit includes: the circuit comprises a seventh capacitor, an eighth capacitor, a ninth capacitor, a first MOS (metal oxide semiconductor) tube, a second MOS tube, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a first diode, a second diode, a third diode, a fourth diode, a voltage regulator tube and a key;

the first end of the seventh capacitor, the first end of the sixth resistor and the source electrode of the first MOS transistor are connected with the anode of the battery, the second end of the seventh capacitor is grounded, the drain electrode of the first MOS transistor is connected with the first end of the eighth capacitor and the first end of the seventh resistor, the second end of the eighth capacitor is grounded, the second end of the seventh resistor, the first end of the eighth resistor and the first end of the ninth capacitor are connected with a battery power pin of the MCU, and the second end of the eighth resistor and the second end of the ninth capacitor are grounded;

the second end of the sixth resistor and the grid electrode of the first MOS tube are connected with the first end of the ninth resistor, the second end of the ninth resistor is connected with the anode of the first diode and the source electrode of the second MOS tube, the cathode of the first diode is connected with the cathode of the second diode, the first end and the third end of the key, the anode of the second diode is connected with the first end of the tenth resistor, the second end of the tenth resistor is connected with the third pull-up input pin of the MCU, the drain electrode of the second MOS tube is grounded, the grid electrode of the second MOS tube is connected with the cathode of the voltage regulator tube and the first end of the eleventh resistor, the second end of the eleventh resistor is connected with the first end of the twelfth resistor, the cathode of the third diode and the cathode of the fourth diode, the second end of the twelfth resistor is grounded, the anode of the third diode is connected with the first end of the fourth capacitor, and the anode of the fourth diode is connected with the first pull-up output pin of the MCU.

Preferably, the method further comprises the following steps: the first indicator light, the second indicator light, the thirteenth resistor and the fourteenth resistor;

the anode of the first indicator light and the anode of the second indicator light are connected with a power supply, the cathode of the first indicator light is connected with a charging state indicating pin of the charging management chip and a first end of the thirteenth resistor, a second end of the thirteenth resistor is connected with a second pull-up output pin of the MCU, the cathode of the second indicator light is connected with a first end of the fourteenth resistor, and a second end of the fourteenth resistor is connected with a third pull-up output pin of the MCU.

Preferably, the method further comprises the following steps: a fifteenth resistor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor and a voltage stabilizing chip;

the first end of the fifteenth resistor, the first end of the tenth capacitor and a power input pin of the voltage stabilizing chip are commonly connected with the first end of the eighth capacitor, the second end of the fifteenth resistor is connected with an enable pin of the voltage stabilizing chip, a ground pin of the voltage stabilizing chip is grounded, and a voltage output pin of the voltage stabilizing chip is connected with the first end of the eleventh capacitor, the first end of the twelfth capacitor, an anode of the first indicator light and an anode of the second indicator light.

Preferably, the method further comprises the following steps: a Bluetooth module;

the Bluetooth module is connected with the MCU, and the MCU sends the evaluation result to the upper computer through the Bluetooth module.

Preferably, the method further comprises the following steps: sixteenth resistor, seventeenth resistor, software interface;

the first end of the sixteenth resistor and the data sending pin of the MCU are connected with the second end of the software interface together, the first end of the seventeenth resistor and the data receiving pin of the MCU are connected with the third end of the software interface together, the fourth end of the software interface is grounded, and the first end of the software interface, the second end of the sixteenth resistor and the second end of the seventeenth resistor are connected with the voltage output pin of the voltage stabilizing chip together.

The utility model provides a swallow pharyngeal muscle aassessment training appearance, strainometer setting are on elastic frame, and elastic frame's deformation also can make the strain resistance in the strainometer take place deformation. The user is through exerting oneself the power on the atress frame, and then arouses the deformation of elastic frame to change the voltage of strainometer, and then realize the aassessment to pharyngeal portion pharyngeal muscle through MCU. For among the prior art, on user's power direct action sensor, adopt this technical scheme, user's power acts on the atress frame and then makes the elastic frame take place deformation, and the deformation of elastic frame makes strain resistance take place deformation, through the magnification of elastic frame to the deformation degree behind the atress to improve strain resistance's deformation degree, and then improved the dynamometry precision.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious to those skilled in the art that other drawings can be obtained based on these drawings without inventive work.

Fig. 1 is a structural diagram of a swallow pharyngeal muscle assessment training instrument provided in an embodiment of the present application;

FIG. 2 is a circuit diagram of a strain gauge provided in an embodiment of the present application;

fig. 3 is a circuit diagram of a charging circuit according to an embodiment of the present disclosure;

fig. 4 is a circuit diagram of a power management circuit according to an embodiment of the present application;

FIG. 5 is a circuit diagram of an indicator light circuit according to an embodiment of the present disclosure;

FIG. 6 is a circuit diagram of a voltage regulator circuit according to an embodiment of the present application;

fig. 7 is a circuit diagram of a communication circuit according to an embodiment of the present application;

the reference numbers are as follows: 1 is a stress frame, 2 is a strain gauge, 3 is an elastic frame, 4 is a base, and 5 is a circuit board mounting box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment in the utility model, under the prerequisite that does not make creative work, all other embodiments that obtained of ordinary skilled person in the art all belong to the utility model discloses protection scope.

The core of the utility model is to provide a swallow pharyngeal muscle aassessment training appearance for improve the accuracy of measuring force precision in order to improve the evaluation of swallow pharyngeal muscle.

In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.

Fig. 1 is a structural diagram of a training apparatus for evaluating swallow pharyngeal muscle according to an embodiment of the present application, and as shown in fig. 1, the training apparatus includes:

the elastic frame 3, the strain gauge 2, the stress frame 1 and the MCU;

the stress frame 1 is connected with the elastic frame 3, and the stress frame 1 deforms the elastic frame 3 when stressed;

the strain gauge 2 is arranged at the elastic frame 3, and the deformation of the elastic frame 3 causes the strain resistance in the strain gauge 2 to deform;

the MCU is connected with the strain gauge 2 to evaluate pharyngeal muscles according to the deformation of the strain resistor.

The strain gauge 2 is a sensor whose resistance changes with applied force, and converts physical quantities such as force, pressure, tension, weight, and the like into changes in resistance, thereby measuring these physical quantities. When an external force is applied to the fixed object, stress and strain are generated. The reaction force generated inside the object is the stress, and the displacement and deformation generated are the strain. The strain gauge 2 is one of the most important sensors in electrical measurement technology, and is used for measuring mechanical quantity.

In this embodiment, the stress frame 1 is used as the stress position of the training instrument for evaluating the swallow pharyngeal muscle, and the user can apply force to the chin, so that the elastic frame 3 is deformed. In a specific implementation, in order to enable the strain gauge 2 to be deformed to the maximum extent, the strain gauge 2 should be installed at a position where the deformation of the elastic frame 3 is the maximum. The MCU in this embodiment is used to calculate the force of the user based on the changes in the strain gauge 2, thereby achieving the evaluation of the pharyngeal muscles. In other embodiments, the MCU can be further connected with the Bluetooth module and used for sending the evaluation result of the pharyngeal muscles to the upper computer through Bluetooth for storing, recording and displaying.

In specific implementation, the training instrument for evaluating the swallow pharyngeal muscle can further comprise a base 4, as shown in fig. 1, wherein the base 4 is connected with the elastic frame 3 and plays a role of fixing and supporting. In the use, the user can be through handheld base 4 or place base 4 on the support and train, and base 4 in this embodiment still has the bending part, and the user can support this part at the chest to on placing the atress frame 1 with scientific, comfortable angle with the chin, the power of being convenient for the chin improves the training effect.

As shown in fig. 1, swallow pharyngeal muscle aassessment training appearance still includes circuit board mounting box 5, and this circuit board mounting box 5 is used for depositing MCU and peripheral circuit, realizes accomodating MCU and strainometer 2 interconnecting link.

The embodiment of the utility model provides a gulp pharynx muscle aassessment training appearance, strainometer set up on elastic frame, and elastic frame's deformation also can make the strain resistance in the strainometer take place deformation. The user is through having an effect on the atress frame, and then arousing the deformation of elastic frame to change the voltage of strainometer, and then realize the aassessment to pharyngeal portion pharyngeal muscle through MCU. For among the prior art, on user's power direct action sensor, adopt this technical scheme, user's power acts on the atress frame and then makes the elastic frame take place deformation, and the deformation of elastic frame makes strain resistance take place deformation, through the magnification of elastic frame to the deformation degree behind the atress to improve strain resistance's deformation degree, and then improved the dynamometry precision.

In comparison with the prior art, the foil strain gauge has a higher measurement accuracy than the diaphragm pressure sensor, and therefore the foil strain gauge is used as the force measuring element in the above embodiment.

Fig. 2 is a circuit diagram of a strain gauge provided in an embodiment of the present application, and as shown in fig. 2, the strain gauge 2 includes: the device comprises a first capacitor C1, a second capacitor C2, a third capacitor C3, a first resistor R1, a second resistor R2, a foil type strain resistor R and an analog-to-digital conversion chip U1;

the first end of the first capacitor C1 is grounded, and the second end of the first capacitor C1 is connected with the first end of the foil type strain resistor R, a reference voltage pin and a voltage output pin of the analog-to-digital conversion chip U1; the analog ground pin of the analog-to-digital conversion chip U1 is grounded, the second end of the foil type strain resistor R is connected with the first end of the second capacitor C2 and the first end of the first resistor R1, the third end of the foil type strain resistor R is grounded, the fourth end of the foil type strain resistor R is connected with the second end of the second capacitor C2 and the first end of the second resistor R2, the second end of the first resistor R1 is connected with the positive input end pin of the analog-to-digital conversion chip U1, the second end of the second resistor R2 is connected with the negative input end pin of the analog-to-digital conversion chip U1, the digital voltage pin of the analog-to-digital conversion chip U1 is connected with the first end of the third capacitor C3 and a power supply, the second end of the third capacitor C3 is grounded, the data output pin of the analog-to-digital conversion chip U1 is connected with the data output pin of the MCU, and the clock pin of the analog-to-digital conversion chip U1 is connected with the clock pin of the MCU.

In this embodiment, the first capacitor C1, the second capacitor C2, and the third capacitor C3 are used as filter capacitors to eliminate harmonics in a circuit and improve the accuracy of the strain gauge 2. The first resistor R1 and the second resistor R2 are used as current-limiting resistors, so that the analog-digital conversion chip U1 is protected, and the large current is prevented from damaging the analog-digital conversion chip U1. Analog signals can only be processed by software after being converted to digital signals by a/D. Therefore, in this embodiment, the analog signal in the circuit is converted into a digital signal by the analog-to-digital conversion chip U1 and then sent to the MCU.

The sensitive grid of the foil type strain resistor R is formed by etching metal foil with the thickness of 0.002-0.005 mm, in the specific implementation, the transverse part of the foil grid can be made into a grid strip with a wider width, so that the transverse effect is smaller, and the foil grid is very thin and can better reflect the deformation of the surface of a component, so the measurement precision is higher.

This embodiment provides a concrete strainometer structure, adopts foil-type strain resistor to improve measurement accuracy to realize the transmission conversion to the signal through current-limiting resistor, filter capacitor, analog-to-digital conversion chip, and then realize MCU to the aassessment of swallowing pharynx muscle.

The detection of the strain gauge and the use of the MCU both need a power supply, and in order to facilitate the long-term use of a user, the swallow pharyngeal muscle assessment training instrument provided by the embodiment also needs to comprise a charging circuit, wherein the charging circuit is connected with a battery and the MCU of the swallow pharyngeal muscle assessment training instrument so as to be connected with the power supply to charge the battery and send charging information to the MCU.

In addition, this embodiment further provides a specific charging circuit, and fig. 3 is a circuit diagram of the charging circuit provided in this embodiment of the present application, as shown in fig. 3, the charging circuit includes: the charging management circuit comprises a USB interface U3, a fourth capacitor C4, a fifth capacitor C5, a charging management chip U2, a sixth capacitor C6, a third resistor R3, a fourth resistor R4 and a fifth resistor R5;

the USB interface U3 is connected with a first end of a fourth capacitor C4, a first end of a fifth capacitor C5 and a power input pin of a charging management chip U2, a second end of the fourth capacitor C4 and a second end of the fifth capacitor C5 are both grounded, a first end of a third resistor R3 is connected with a maximum current setting pin of the charging management chip U2, a second end of the third resistor R3 is grounded, an indication pin of the charging management chip U2 is connected with a first end of the fourth resistor R4, a second end of the fourth resistor R4 is connected with a first pull-up input pin of the MCU, a battery connection pin of the charging management chip U2 is connected with a first end of a sixth capacitor C6 and a positive electrode of a battery, a second end of the sixth capacitor C6, a negative electrode of the battery and a ground pin of the charging management chip U2 are both grounded, a charging state indication pin of the charging management chip U2 is connected with a first end of the fifth resistor R5, and a second end of the fifth resistor R5 is connected with a second pull-up input pin of the MCU.

The embodiment acquires electric energy through the USB interface, and realizes conversion, distribution, detection and other electric energy management of the electric energy by using the charging management chip, thereby realizing charging of the battery through the charging circuit. And the monitoring of the charging of the battery by the MCU is realized through the connection of the charging management chip and the MCU.

On the basis of the above embodiment, in order to realize the detection of whether the battery is fully charged and control the battery to supply power to the training instrument for evaluating and training swallowing pharyngeal muscle, in this embodiment, the training instrument further includes: a power management circuit;

the power management circuit is connected with the anode of the battery and the MCU to detect the electric quantity of the battery;

the MCU is also used for acquiring a key signal in the power management circuit and controlling the switch of the training instrument for evaluating the pharyngeal swallowing muscles according to the key signal.

Fig. 4 is a circuit diagram of a power management circuit provided in an embodiment of the present application, and as shown in fig. 4, the power management circuit includes: a seventh capacitor C7, an eighth capacitor C8, a ninth capacitor C9, a first MOS transistor Q1, a second MOS transistor Q2, a sixth resistor R6, a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, an eleventh resistor R11, a twelfth resistor R12, a first diode D1, a second diode D2, a third diode D3, a fourth diode D4, a voltage regulator D, and a key J1;

a first end of a seventh capacitor C7, a first end of a sixth resistor R6 and a source electrode of a first MOS transistor Q1 are commonly connected with the anode of the battery, a second end of the seventh capacitor C7 is grounded, a drain electrode of the first MOS transistor Q1 is connected with a first end of an eighth capacitor C8 and a first end of the seventh resistor R7, a second end of the eighth capacitor C8 is grounded, a second end of the seventh resistor R7, a first end of the eighth resistor R8 and a first end of a ninth capacitor C9 are commonly connected with a battery power pin of the MCU, and a second end of the eighth resistor R8 and a second end of the ninth capacitor C9 are commonly grounded;

the second end of the sixth resistor R6 and the gate of the first MOS transistor Q1 are commonly connected with the first end of a ninth resistor R9, the second end of the ninth resistor R9 is connected with the anode of the first diode D1 and the source of the second MOS transistor Q2, the cathode of the first diode D1 is connected with the cathode of the second diode D2, the first end and the third end of the key J1, the anode of the second diode D2 is connected with the first end of a tenth resistor R10, the second end of the tenth resistor R10 is connected with the third pull-up input pin of the MCU, the drain of the second MOS transistor Q2 is grounded, the gate of the second MOS transistor Q2 is connected with the cathode of the voltage regulator D and the first end of an eleventh resistor R11, the second end of the eleventh resistor R11 is connected with the first end of a twelfth resistor R12, the cathode of the third diode D3 and the cathode of a fourth diode D4, the second end of the twelfth resistor R12 is grounded, the anode of the third diode D3 is connected with the first end of a fourth capacitor C4, and the anode of the first pull-up output pin of the fourth diode D4 is connected with the MCU.

According to the power management circuit provided by the embodiment, the MCU can output the on-off of the high-low level control second MOS tube through the pressing and bouncing of the keys, so that the on-off of the first MOS tube is changed, and therefore whether the battery supplies power for the swallow pharyngeal muscle assessment training instrument or not can be controlled, and the control on the swallow pharyngeal muscle assessment training instrument switch is realized. And when first MOS pipe is led on, MCU also can realize detecting the electric quantity of battery according to the output level of battery.

On the basis of the above embodiment, in order to realize the display of the charging state, this embodiment further includes an indicator light circuit, as shown in fig. 5, in this embodiment, further includes: the LED lamp comprises a first indicator light LED1, a second indicator light LED2, a thirteenth resistor R13 and a fourteenth resistor R14;

the anode of the first indicator light LED1 and the anode of the second indicator light LED2 are connected with a power supply, the cathode of the first indicator light LED1 is connected with a charging state indicating pin of the charging management chip U2 and a first end of a thirteenth resistor R13, a second end of the thirteenth resistor R13 is connected with a second pull-up output pin of the MCU, the cathode of the second indicator light LED2 is connected with a first end of a fourteenth resistor R14, and a second end of the fourteenth resistor R14 is connected with a third pull-up output pin of the MCU.

The indicator light in this embodiment is used to display the charging state of the battery, and in a specific implementation, whether the battery is fully charged can be determined by the difference between the light emitting colors of the first indicator light and the second indicator light, for example, the first indicator light is red to indicate that the battery is charging, and the second indicator light is blue to indicate that the battery is fully charged.

It will be appreciated that charging of the battery may be affected by fluctuations in the grid voltage or by changes in the load. Therefore, the present embodiment further provides a voltage stabilizing circuit, as shown in fig. 6, the voltage stabilizing circuit: a fifteenth resistor R15, a tenth capacitor C10, an eleventh capacitor C11, a twelfth capacitor C12 and a voltage stabilizing chip U4;

the first end of the fifteenth resistor R15, the first end of the tenth capacitor C10 and the power input pin of the voltage stabilizing chip U4 are commonly connected with the first end of the eighth capacitor C8, the second end of the fifteenth resistor R15 is connected with the enable pin of the voltage stabilizing chip U4, the ground pin of the voltage stabilizing chip U4 is grounded, and the voltage output pin of the voltage stabilizing chip U4 is connected with the first end of the eleventh capacitor C11, the first end of the twelfth capacitor C12, the anode of the first indicator light LED1 and the anode of the second indicator light LED 2.

The voltage stabilizing chip is a chip which can still maintain a circuit when input voltage, load, link temperature, circuit parameters and the like change and output constant voltage. The embodiment realizes the stability of the charging voltage through the voltage stabilization chip and the peripheral capacitors and other devices, and avoids the damage of voltage fluctuation to circuit elements.

On the basis of the above embodiment, in this embodiment, the communication circuit is further included, and as shown in fig. 7, the communication circuit includes a sixteenth resistor R16, a seventeenth resistor R17, and a software interface J2;

the first end of the sixteenth resistor R16 and the data sending pin of the MCU are connected with the second end of the software interface J2, the first end of the seventeenth resistor R17 and the data receiving pin of the MCU are connected with the third end of the software interface J2, the fourth end of the software interface J2 is grounded, and the first end of the software interface J2, the second end of the sixteenth resistor R16 and the second end of the seventeenth resistor R17 are connected with the voltage output pin of the voltage stabilizing chip U4.

The software interface in this embodiment is used for being connected with the host computer to realize the data interaction of host computer and MCU, can set up MCU's relevant detected data through the host computer, realize the aassessment to swallowing pharynx muscle.

The swallowing pharyngeal muscle assessment training instrument provided by the utility model is introduced in detail. The embodiments are described in a progressive mode in the specification, the emphasis of each embodiment is on the difference from the other embodiments, and the same and similar parts among the embodiments can be referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

Claims

1. A training appearance is appraised to swallow pharynx muscle, its characterized in that includes:

the elastic frame, the strain gauge, the stress frame and the MCU are arranged;

the strain gauge is arranged at the elastic frame, and the deformation of the elastic frame enables a strain resistor in the strain gauge to deform;

2. The training apparatus for evaluating swallow pharynx muscle according to claim 1, wherein the strain gauge includes: the device comprises a first capacitor, a second capacitor, a third capacitor, a first resistor, a second resistor, a foil type strain resistor and an analog-to-digital conversion chip;

3. The training apparatus for evaluating swallow pharyngeal muscle according to claim 2, further comprising: a charging circuit;

the charging circuit is connected with a battery of the pharyngeal swallow muscle assessment training instrument and the MCU so as to be connected with a power supply to charge the battery and send charging information to the MCU.

4. The training instrument for evaluation of pharyngeal swallow muscle according to claim 3, wherein the charging circuit includes: the charging management circuit comprises a USB interface, a fourth capacitor, a fifth capacitor, a charging management chip, a sixth capacitor, a third resistor, a fourth resistor and a fifth resistor;

5. The training instrument for evaluating a swallow pharyngeal muscle according to claim 4, further comprising: a power management circuit;

6. The swallow pharynx muscle assessment training appearance of claim 5, wherein the power management circuit comprises: the circuit comprises a seventh capacitor, an eighth capacitor, a ninth capacitor, a first MOS (metal oxide semiconductor) tube, a second MOS tube, a sixth resistor, a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, an eleventh resistor, a twelfth resistor, a first diode, a second diode, a third diode, a fourth diode, a voltage regulator tube and a key;

the second end of the sixth resistor and the grid of the first MOS tube are connected with the first end of the ninth resistor, the second end of the ninth resistor is connected with the anode of the first diode and the source of the second MOS tube, the cathode of the first diode is connected with the cathode of the second diode, the first end and the third end of the key, the anode of the second diode is connected with the first end of the tenth resistor, the second end of the tenth resistor is connected with the third pull-up input pin of the MCU, the drain of the second MOS tube is grounded, the grid of the second MOS tube is connected with the cathode of the voltage regulator tube and the first end of the eleventh resistor, the second end of the eleventh resistor is connected with the first end of the twelfth resistor, the cathode of the third diode and the cathode of the fourth diode, the second end of the twelfth resistor is grounded, the anode of the third diode is connected with the first end of the fourth capacitor, and the anode of the fourth diode is connected with the first pull-up output pin of the MCU.

7. The training apparatus for evaluating swallow pharyngeal muscle according to claim 6, further comprising: the first indicator light, the second indicator light, the thirteenth resistor and the fourteenth resistor;

the anode of the first indicator light and the anode of the second indicator light are connected with a power supply, the cathode of the first indicator light is connected with the charging state indication pin of the charging management chip and the first end of the thirteenth resistor, the second end of the thirteenth resistor is connected with the second pull-up output pin of the MCU, the cathode of the second indicator light is connected with the first end of the fourteenth resistor, and the second end of the fourteenth resistor is connected with the third pull-up output pin of the MCU.

8. The training apparatus for evaluating swallow pharyngeal muscle according to claim 7, further comprising: a fifteenth resistor, a tenth capacitor, an eleventh capacitor, a twelfth capacitor and a voltage stabilizing chip;

a first end of the fifteenth resistor, a first end of the tenth capacitor, and a power input pin of the voltage stabilization chip are commonly connected to a first end of the eighth capacitor, a second end of the fifteenth resistor is connected to an enable pin of the voltage stabilization chip, a ground pin of the voltage stabilization chip is grounded, and a voltage output pin of the voltage stabilization chip is connected to a first end of the eleventh capacitor, a first end of the twelfth capacitor, an anode of the first indicator light, and an anode of the second indicator light.

9. The training apparatus for evaluating swallow pharyngeal muscle according to any one of claims 1 to 8, further comprising: a Bluetooth module;

10. The training apparatus for evaluating swallow pharyngeal muscle according to claim 8, further comprising: sixteenth resistor, seventeenth resistor, software interface;