CN110368021A - A kind of multi-function stethoscope - Google Patents

Abstract

The present invention relates to stethoscope technical fields, in particular a kind of multi-function stethoscope, including Stethophone carriage, appliance case is installed on the inside of Stethophone carriage, partition is equipped with inside appliance case, rear cover is installed on the left of appliance case, rear cover side wall front and rear sides symmetrically open up fluted, inside grooves are equipped with cross bar, appliance case is equipped with joint strip close to the side wall of Stethophone carriage, Stethophone carriage bottom is equipped with diagnostic tube, the end of diagnostic tube is equipped with pickup piece, the rear cover that the present invention passes through design, openable or pass hull closure box, convenient for the equipment in follow-up maintenance or replacement appliance case, improve practicability, secondly by the joint strip of design, mitigate Stethophone carriage to the pressure of appliance case, appliance case is protected, convenience is provided for subsequent use.

Description

A kind of multi-function stethoscope

Technical field

The present invention relates to stethoscope technical field, specially a kind of multi-function stethoscope.

Background technique

Stethoscope is a kind of medical instrument, listening to the intracorporal sound of body, judges whether body is healthy according to sound, The stethoscope that doctor uses at present outer in real time can not put the collected sound of stethoscope institute, cause not wear stethoscope doctor and Patient can not understand stethoscope acoustic information collected in real time, be not easy to intern's teaching and doctor patient communication, in consideration of it, we mention A kind of multi-function stethoscope out.

Summary of the invention

The purpose of the present invention is to provide a kind of multi-function stethoscopes, immediately outer can put stethoscope sound collected, and Sound can be enrolled and give over to spare, outer in real time can not be raised one's voice to its utmost sound with solving existing stethoscope mentioned above in the background art, no The problem of convenient for intern's teaching and doctor patient communication.

To achieve the above object, the invention provides the following technical scheme:

A kind of multi-function stethoscope, including Stethophone carriage, are equipped with appliance case on the inside of the Stethophone carriage, inside the appliance case Equipped with partition, rear cover is installed on the left of the appliance case, rear cover side wall front and rear sides symmetrically open up it is fluted, it is described recessed Cross bar is installed, the appliance case is equipped with joint strip close to the side wall of the Stethophone carriage, and the Stethophone carriage bottom is equipped with inside slot The end of diagnostic tube, the diagnostic tube is equipped with pickup piece.

Preferably, the appliance case upper surface is equipped with control button, is equipped with microphone on the right side of the appliance case.

Preferably, Stethophone carriage two sides inner wall symmetrically offers restriction slot, and the Stethophone carriage is opened by the position of close end Equipped with threaded hole, fixing button is screwed with inside the threaded hole, the both ends of the Stethophone carriage are equipped with headset, and the headset is close The two sides outer wall of end is symmetrically arranged with protrusion.

Preferably, the two sides of the joint strip are adhesively fixed with the appliance case and the Stethophone carriage by glue respectively.

Preferably, the rear cover is hinged by hinge and the appliance case.

Preferably, the both ends of the cross bar are rotatablely connected with the two sides inner wall of the groove respectively.

Preferably, display screen is installed on the rear cover side wall.

Preferably, processing system is installed inside the display screen, processing system include voice module, processing module, by Key module, display module, transmission module and power module,

The voice module is for acquiring and enrolling sound；

The processing module is used to analyze and store the sound of acquisition；

The key module is used to set the voice signal of control acquisition and plays the voice signal of acquisition immediately；

The display module is used to show the voice data of acquisition；

The transmission module is used for transmission voice data；

The power module is used to power to circuit, it is ensured that normal operation circuit.

Compared with prior art, the beneficial effects of the present invention are:

1, rear cover of the present invention by design, openable or pass hull closure box, convenient in follow-up maintenance or replacement appliance case Equipment, improve practicability, secondly by the joint strip of design, mitigate Stethophone carriage to the pressure of appliance case, appliance case is prevented Shield, provides convenience for subsequent use；

2, the present invention analyzes by processing module and stores the sound of acquisition by voice module for acquiring and enrolling sound Sound is used to set the voice signal and the instant voice signal for playing acquisition of control acquisition, by showing mould by key module Block is used to show the voice data of acquisition, and the voice data of acquisition is used for transmission by transmission module, is convenient for intern's teaching and doctor Suffer from and linking up, is used to power to circuit by power module, it is ensured that normal operation circuit.

Detailed description of the invention

Fig. 1 is overall structure diagram of the invention；

Fig. 2 is the structural schematic diagram of appliance case in the present invention；

Fig. 3 is the cross section structure schematic diagram of appliance case in the present invention；

Fig. 4 is the partial structural diagram of Stethophone carriage and headset in the present invention；

Fig. 5 is the work block diagram of processing system in the present invention；

Fig. 6 is the pinouts of single-chip microcontroller in the present invention；

Fig. 7 is the working principle diagram of single-chip microcontroller in the present invention；

Fig. 8 is the working principle diagram of single-chip microcontroller in the present invention；

Fig. 9 is the working principle diagram of key module in the present invention；

Figure 10 is the working principle diagram of voice module in the present invention；

Figure 11 is the working principle diagram of power module in the present invention.

In figure: 1, Stethophone carriage；10, slot is limited；11, threaded hole；12, fixing button；2, appliance case；20, control button；21, Partition；3, microphone；4, diagnostic tube；5, pickup piece；6, rear cover；60, groove；600, cross bar；61, display screen；7, joint strip；8, ear Wheat；80, prominent.

Specific embodiment

Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that, term " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside", " up time The orientation or positional relationship of the instructions such as needle ", " counterclockwise " is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of The description present invention and simplified description, rather than the equipment of indication or suggestion meaning or element must have a particular orientation, with spy Fixed orientation construction and operation, therefore be not considered as limiting the invention.

Embodiment 1:

A kind of multi-function stethoscope is equipped with appliance case 2 on the inside of Stethophone carriage 1 as shown in Figs 1-4, including Stethophone carriage 1, if It is equipped with partition 21 inside standby box 2, the left side of appliance case 2 is equipped with rear cover 6, and 6 side wall front and rear sides of rear cover symmetrically open up fluted 60, cross bar 600 is installed, appliance case 2 is equipped with joint strip 7, the installation of 1 bottom of Stethophone carriage close to the side wall of Stethophone carriage 1 inside groove 60 There is diagnostic tube 4, the end of diagnostic tube 4 is equipped with pickup piece 5.

In the present embodiment, the two sides of joint strip 7 are adhesively fixed with appliance case 2 and Stethophone carriage 1 by glue respectively, pass through joint strip 7 are fixed on appliance case 2 on Stethophone carriage 1, facilitate subsequent use.

Joint strip 7 is made using rubber material, because rubber has preferable elasticity, prevents the subsequent deformation of Stethophone carriage 1 from squeezing Appliance case 2 is pressed, appliance case 2 is protected, provides convenience for subsequent use.

Further, rear cover 6 is hinged by hinge and appliance case 2, when opening or closing appliance case 2, can by rear cover 6 with Hinge is center of circle rotation, realizes the purpose for opening or closing appliance case 2.

Specifically, the both ends of cross bar 600 are rotatablely connected with the two sides inner wall of groove 60 respectively, 60 side wall of groove is close to cross bar The position at 600 both ends offers cross bar slot, the both ends of cross bar 600 is respectively embedded into corresponding cross bar slot, and cross bar 600 can It is freely rotated in cross bar.

It is worth noting that, 1 two sides inner wall of Stethophone carriage, which symmetrically offers, limits slot 10, Stethophone carriage 1 leans on the position of close end Threaded hole 11 is offered, fixing button 12 is screwed with inside threaded hole 11, the both ends of Stethophone carriage 1 are equipped with headset 8, and headset 8 is close The two sides outer wall of end is symmetrically arranged with prominent 80, is limited in slot 10 by that will protrude 80 insertions, limits headset 8 in Stethophone carriage 1 The mobile distance in portion effectively prevent headset 8 to remove inside Stethophone carriage 1 along the inner wall of Stethophone carriage 1, influences subsequent use.

12 side of fixing button is equipped with screw rod, and the screw thread on screw rod mutually agrees with the screw thread on 11 inner wall of threaded hole.

When position of the headset 8 inside Stethophone carriage 1 need to be adjusted, headset 8 can be moved along the inner wall of Stethophone carriage 1, at this time Prominent 60 move along the inner wall for limiting slot 10, further, rotate fixing button 12, pass through the screw thread and threaded hole 11 on fixing button 12 Screw thread on inner wall mutually agrees with, and keeps the inside in the threadingly hole 11 of fixing button 12 mobile, the end for passing through fixing button 12 squeezes headset 8 Side wall, headset 8 is fixed on 1 inner wall of Stethophone carriage, guarantees stability of the headset 8 inside Stethophone carriage 1, facilitates subsequent make With.

It is worth noting that the pickup piece 5 being related in the present embodiment can use the stethoscope of model ZK-102C, It can also be provided with circuits by producer, in addition to this, be related to pipeline and electronic component in the present invention and module is The prior art, those skilled in the art may be implemented completely, be not necessarily to superfluous words, and the content that the present invention protects is not related to for inside yet The improvement of structures and methods.

Finger when in use, when opening or closing appliance case 2, can be embedded in groove by the multi-function stethoscope of the present embodiment Inside 60, and cross bar 600 is pulled, rear cover 6 is rotated by the center of circle of hinge, the purpose for opening or closing appliance case 2 is realized, is convenient for Equipment in follow-up maintenance or replacement appliance case 2；

When 1 deformation of Stethophone carriage, by the elasticity of joint strip 7 itself, mitigates Stethophone carriage 1 to the pressure of appliance case 2, prevent from listening 1 extrusion equipment box 2 of frame is examined, causes appliance case 2 to damage, appliance case 2 is protected, provides convenience for subsequent use；

When adjusting headset 8, the inner wall by headset 8 along Stethophone carriage 1 is moved, and is protruded 60 at this time and is moved along the inner wall for limiting slot 10 It is dynamic, further, fixing button 12 is rotated, is mutually agreed with by the screw thread on fixing button 12 with the screw thread on 11 inner wall of threaded hole, made solid The inside for determining the threadingly hole 11 of button 12 is mobile, and the side wall of headset 8 is squeezed by the end of fixing button 12, headset 8 is fixed on and is listened It examines on 1 inner wall of frame, guarantees stability of the headset 8 inside Stethophone carriage 1, facilitate subsequent use, on the other hand, headset 8 can be reduced With Stethophone carriage 1 to the occupancy in space, convenient for placing.

Embodiment 2:

As second of embodiment of the invention, for the ease of sound of raising one's voice to its utmost outer in real time, facilitate control, at the present inventor's setting Reason system as shown in Figure 11-Figure 5, is equipped with display screen 61 as a kind of preferred embodiment on 6 side wall of rear cover, inside display screen 61 Processing system is installed, processing system includes voice module, processing module, key module, display module, transmission module and power supply Module, voice module are used to analyze and store the sound of acquisition for acquiring and enrolling sound, processing module, and key module is used for The voice signal of setting control acquisition and the voice signal for playing acquisition immediately, display module are used to show the sound number of acquisition According to transmission module is used for transmission the voice data of acquisition, and power module is used to power to circuit, it is ensured that normal operation circuit, if Standby 2 upper surface of box is equipped with control button 20, is equipped with microphone 3 on the right side of appliance case 2.

In the present embodiment, partition 21 is an integral molding structure with appliance case 2, will be divided into inside appliance case 2 by partition 21 Four regions, voice module, processing module, transmission module and power module are separately mounted in four regions.

For display screen 61 using the display screen of model TN-LCD, the output end of the display screen and the output end of voice module are electric Property connection, the lower section of display screen 61 is equipped with charge port, is charged by charge port convenient for subsequent for power module.

Further, voice module is designed using ISD4004 speech chip, which is stored using more level analogs Technology, therefore voice signal can be made not need analog-to-digital conversion and decoding, each sampled value is stored directly in the flashing in piece In memory, there is no analog-to-digital conversion error, keep collected voice signal true and naturally reproducing speech and music and Effect sound.

Specifically, processing module is designed using single-chip microcontroller STC89C52RC chip, the single-chip microcontroller macrocrystalline science and technology semiconductor is public The single-chip microcontroller of the superpower anti-interference, high speed of a new generation, low-power consumption that department releases, the instruction code of single-chip microcontroller and 8051 traditional monolithics Machine system class is completely compatible, and it is P0, PI, P2, P3 respectively, wherein the PO of single-chip microcontroller is defeated that single-chip microcontroller, which has four groups of I/O ports, Enter/delivery outlet, when this group of control mouth is two directions' inputing/delivery outlet of open-drain type, shares 8 control feet, while the group control Pin processed is also used as the address bus of single-chip microcontroller and the multiplexing mouth of data/address bus, and wherein the PSEN pin of single-chip microcontroller is single The program storage of piece machine allows to control pin, which exports the read strobe signal of external program memory.

There are a resonance circuits in itself inside single-chip microcontroller, the two of two pin XTAL1 and XTAL2 pins of single-chip microcontroller The generation of clock signal can be realized by terminating a quartz oscillation crystal, and single-chip microcontroller can directly be using the crystal oscillator of 12MHz System, the reset circuit of single-chip microcontroller, which has, provides the function of reset signal for single-chip microcontroller, and reset signal high level is effective, works as list When the pin maintains the high level state of three machine cycles, single-chip microcontroller can be completed to reset operation, reset circuit piece machine Two resistance and a capacitor composition are mainly used, while increasing a key to be used to realize Manual reset operation.

It is the input terminal of recorded audio signals with phase simulation input ANAIN+ pin in ISD4004 speech chip, therefore input is put Big device can be used the amplification that single-ended or differential driving mode carries out signal, and when single ended input, signal is inputted by coupled capacitor, most It is significantly peak-to-peak value 32mV, the 3k Ω input impedance of coupled capacitor and local terminal determines the low-end cut-off frequency of chip frequency, In differential driving, signal amplitude peak is peak-to-peak value 16mV.Inverting analog inputs ANAIN- pin and carries out difference drive in signal When dynamic, this is the inverting input terminal of recorded audio signals, and signal is inputted by coupled capacitor, and amplitude peak is peak-to-peak value 16mV, this draws The nominal input impedance of foot be 56k Ω, single-ended drive at present, can be grounded by using capacitor, under two ways For the coupling capacitance at the end ANAIN+ and ANAIN- using identical, AUDOUT pin is audio output pin, the main function of the pin Audio output can be to provide, its driving capability up to 5k Ω load, when the end chip select pin SS remains low level state, Show that single-chip microcontroller has chosen ISD4004 chip, and it is operated, serial input MOSI is uniline input terminal pin, main Controller half period should place data into the pin for the input of ISD before serial clock rising edge.

ISD4004 speech chip is mainly the SPI serial communication interface used, and wherein SPI protocol is a synchronous serial Data Transport Protocol, agreement assume that the SPI shift register of microcontroller is acted in the failing edge of SCLK, therefore to ISD4004 For speech chip, MOSI pin data is latched in rising edge clock, send data to MISO pin in failing edge, it is all serial Data transmission starts from SS failing edge, and when under SPI communication interface modes, SS pin must be maintained at low electricity during the transmission It is flat, high level is remained between two instructions, the data of voice signal are moved into rising edge clock, it is removed in failing edge, When SS pin becomes being lower level, after carrying out input instruction and address, ISD speech chip just starts recording playback, instruction format It is that 8 control codes add 16 bit address codes, if any operation of ISD encounters EOM or OVF, generates an interruption, the interruption shape State is removed when next SPI period starts.

Key module uses four independent keys, and four independent keys are respectively connected on the I/O interface of single-chip microcontroller, when pressing When lower first key, voice module is opened, is acquired and enrolls sound, when pressing second key, play institute immediately The sound of acquisition increases the tone of voice when pressing the button third key, when the 4th key, reduces the sound of voice It adjusts.

Since the I/O of our STC89C52 single chips is abundant, four directly can be connect on the I/O mouth of single-chip microcontroller Key, so that four keys are all independent of each other, working method is using single-chip microcontroller scan round and to be programmed to constantly detect Whether have by key pressing, when being pressed there is a situation where a certain key, whole keyboard circuit is when keyboard is pressed, single-chip microcontroller The variation of P20 to P23 of P2 mouth will be turned into low level state from high level state, SCM system by P2 mouthfuls of P20 extremely The variation of P23 executes this I/O mouthfuls of corresponding subprogram, the signal that this subroutine subprogram is sent to the I/O mouth of P0 For four binary codes.

In addition to this, power module uses LM2940 voltage-stablizer, and LM2940 is the three terminal regulator of voltage-dropping type, the voltage-stablizer It is all smaller in terms of voltage and current regulation, driving capability is loaded up to 1A, in the design aspect of peripheral circuit, the voltage-stablizer Fairly simple and used element is less, while the inside of voltage-stablizer also has frequency compensated circuit and fixed frequency oscillation Device, can adequately reduce the area of cooling fin, or even radiation fin can not be needed in some circuits, defined Under conditions of input voltage and output loading, the error of the output voltage of voltage-stablizer within 4%, miss by the frequency of oscillation of oscillator Difference is in+10%, and the representative value of standby current is 50 μ A, and built-in chip type current foldback circuit and overheating protection circuit ,+12V are adopted It is designed with lithium battery group, by the pressure stabilization function of LM2940, is transformed into+5V, be used to single-chip microcontroller and other module for power supply.

The multi-function stethoscope of the present embodiment when in use, by voice module for acquiring and enrolling sound, passes through place The sound for managing module analysis and storage acquisition is used to set the voice signal of control acquisition by key module and broadcasting immediately is adopted The voice signal of collection is used to show the voice data of acquisition, is used for transmission voice data by transmission module by display module, Convenient for intern's teaching and doctor patient communication, it is used to power to circuit by power module, it is ensured that normal operation circuit.

Embodiment 3:

As second of embodiment of the invention, for the ease of the file of transmission acquisition, Bluetooth system is arranged in the present inventor, As a kind of preferred embodiment, transmission module includes Bluetooth system.

In the present embodiment, Bluetooth system uses HC-05 module design, and HC-05 module is the high-performance of a principal and subordinate's one Serial port module can be used for the functional terminal pairing such as the various computers with Bluetooth function, bluetooth host, mobile phone, PDA, PSP, wide wave Special rate range 4800-382400, and the compatible SCM system of module, after two bluetooth module successful matchings of master slave mode, It can be simply changed to wireless blue tooth, it is convenient to mention for transmission file, bluetooth module HC-05 embedded Bluetooth serial port module tool There are two types of operating mode command response operating modes and automatic connection operating mode, again may be used in connection operating mode lower module automatically It, will be automatically according to being previously set when module is in automatic connection operating mode to be divided into master and slave and three kinds of working conditions of winding Mode connect data transmission, following all AT orders can be executed when module is in command response operating mode, user can be with Various AT instructions are sent to module, set control parameter or publication control command for module, it is defeated by control module external pin Enter level, the switching at runtime of module working condition may be implemented.

Further, bluetooth is a kind of open standard of wireless data and voice transfer, by various communication equipments, various numbers Data system, computer terminal device, even household electrical appliance with wireless method are connected to one piece, Bluetooth technology transmission away from 100m can be reached from for 10cm~10m, increasing transmission power or the certain external equipments of addition, Bluetooth technology uses 2.4GHz ISM band and frequency modulation, frequency hopping, and using forward error correction coding, TDD and baseband protocol, each time slot of TDMA is 0.625 μ s, its transmission power are 1Mb/s, and Bluetooth technology supports the real-time Data Transmission and voice transfer of 64kb/s, voice coding It is CVSD, transmission power is 1mW, 2.5mW and 100mW respectively, and using 48 identification codes of whole world unification, because blue Tooth substitutes the connection of wire cable using wireless interface, so it has very strong transplantability, and is suitable for a variety of occasions, then plus This upper technology is low in energy consumption, harm to the human body is small, and application is simple, easy to accomplish, its application range is very extensive.

Specifically, when HC-05 will send data, by SPI interface, data being sent by certain process and are transmitted to HC- 05, the rate of transmission is determined by Bluetooth protocol, sets high TXD and RXD, activates the sending mode of HC-05, and HC-05 sends, beats automatically Radio frequency register, packaged data are opened, and are sent, when data have been sent, data pin will be set to height, and RXD is set to height, HC-05 It constantly retransmits, until TRX is set low, when RXD is set low, HC-05 transmission process is completed, and module is automatically into idle mode, hair Working method is sent to guarantee that no matter RXD and TXD pin, which is high or low transmission process, can all have been processed once data are sent, It is only sent in previous data packet, HC-05 could receive the data packet sent below, when RXD is high level, TXDN When for low level, HC-05 enters reception pattern, and after 750us, HC-05 is checked continually on, and judges whether to receive data, when a number After all receiving according to packet, processor removes frame head and postamble automatically, and data are then shown that pin sets high microcontroller handle RXD is set low, and HC-05 enters idle mode, and HC-05 transfers data to microcontroller by SPI mouthfuls, by certain rate Interior, when total data has transmitted, HC-05 sets low DSR pin and address matching pin.

The multi-function stethoscope of the present embodiment is when transmitting file, when HC-05 will send data, by SPI interface, leads to It crosses certain process and send data and be transmitted to HC-05, the rate of transmission is determined by Bluetooth protocol, sets high TXD and RXD, activates HC-05 Sending mode, HC-05 send, automatically open radio frequency register, packaged data, and send, when data have been sent, data are drawn Foot will be set to height, and RXD is set to height, and HC-05 is constantly retransmitted, and until TRX is set low, when RXD is set low, HC-05 transmission process is complete At module sends working method and guarantee no matter RXD and TXD pin is high once data are sent automatically into idle mode Or low transmission process can all have been processed, be only sent in previous data packet, HC-05 could be received to be sent below Data packet, when RXD is high level, TXDN is low level, HC-05 enters reception pattern, and after 750us, HC-05 is checked continually on, Judge whether to receive data, after a data packet all receives, processor removes frame head and postamble automatically, then number It sets high microcontroller according to display pin to set low RXD, HC-05 enters idle mode, and HC-05 passes through certain speed by SPI mouthfuls Rate transfers data in microcontroller, and when total data has transmitted, HC-05 draws DSR pin and address matching Foot is set low, the file for facilitating transmission to acquire by the transmission module, is facilitated follow-up storage file and is used file.

The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry For personnel it should be appreciated that the present invention is not limited to the above embodiments, described in the above embodiment and specification is only the present invention Preference, be not intended to limit the invention, without departing from the spirit and scope of the present invention, the present invention also has various Changes and improvements, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by institute Attached claims and its equivalent thereof.

Claims (8)

1. a kind of multi-function stethoscope, including Stethophone carriage (1), it is characterised in that: be equipped with appliance case on the inside of the Stethophone carriage (1) (2), partition (21) are equipped with inside the appliance case (2), rear cover (6), the rear cover is installed on the left of the appliance case (2) (6) side wall front and rear sides symmetrically open up fluted (60), are equipped with cross bar (600), the appliance case inside the groove (60) (2) side wall close to the Stethophone carriage (1) is equipped with joint strip (7), and Stethophone carriage (1) bottom is equipped with diagnostic tube (4), described to listen The end for examining pipe (4) is equipped with pickup piece (5).

2. multi-function stethoscope according to claim 1, it is characterised in that: appliance case (2) upper surface is equipped with control Button (20), appliance case (2) right side are equipped with microphone (3).

3. multi-function stethoscope according to claim 1, it is characterised in that: Stethophone carriage (1) two sides inner wall is symmetrically opened Equipped with slot (10) are limited, the Stethophone carriage (1) offers threaded hole (11) by the position of close end, and the threaded hole (11) is internal It is screwed with fixing button (12), the both ends of the Stethophone carriage (1) are equipped with headset (8), and the headset (8) is outside the two sides of close end Wall is symmetrically arranged with prominent (80).

4. multi-function stethoscope according to claim 1, it is characterised in that: the two sides of the joint strip (7) respectively with it is described Appliance case (2) and the Stethophone carriage (1) are adhesively fixed by glue.

5. multi-function stethoscope according to claim 1, it is characterised in that: the rear cover (6) is set by hinge with described Standby box (2) are hinged.

6. multi-function stethoscope according to claim 1, it is characterised in that: the both ends of the cross bar (600) respectively with institute State the two sides inner wall rotation connection of groove (60).

7. multi-function stethoscope according to claim 1, it is characterised in that: be equipped with display on rear cover (6) side wall Shield (61).

8. multi-function stethoscope according to claim 7, it is characterised in that: be equipped with processing inside the display screen (61) System, processing system include voice module, processing module, key module, display module, transmission module and power module,

The voice module is for acquiring and enrolling sound；

The processing module is used to analyze and store the sound of acquisition；

The key module is used to set the voice signal of control acquisition and plays the voice signal of acquisition immediately；

The display module is used to show the voice data of acquisition；

The transmission module is used for transmission the voice data of acquisition；

The power module is used to power to circuit, it is ensured that normal operation circuit.