CN209332083U

CN209332083U - Stethoscope system for cardiology department

Info

Publication number: CN209332083U
Application number: CN201820756118.0U
Authority: CN
Inventors: 毕明青; 陈雁飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-05-21
Filing date: 2018-05-21
Publication date: 2019-09-03
Anticipated expiration: 2028-05-21

Abstract

The utility model provides a stethoscope system for cardiology department, which controls an electronic system to detect heartbeat through a key module and displays the heartbeat through a display screen, and meanwhile, the stethoscope system can upload the information of seeing a doctor to be examined through a WIFI module, thereby solving the problems that the stethoscope completely depends on the doctor to count and measure, the seeing a doctor does not know the condition of the stethoscope, and the information of seeing a doctor is difficult to gather and count; the system comprises a stethoscope body, a control panel, a processing chip, a key module, a display screen and a heartbeat acquisition module; the heartbeat acquisition module comprises a relay, a microphone, an amplification module and a filtering module, the control panel is fixed in the middle of the diagnostic apparatus body, the display screen is fixed on the surface of the control panel, the key module comprises a transmission line and a control connection, the heartbeat acquisition module is sequentially and longitudinally arranged on the right side of the display screen, and the processing chip is located inside the control panel.

Description

A kind of Cardiological stethoscope system

Technical field

The utility model relates to medical treatment to detect product technical field, in particular be a kind of Cardiological stethoscope system.

Background technique

Cardiological auscultation under normal conditions detects heartbeat by stethoscope all in traditional medical worker, patent CN206102668U discloses a kind of novel electronic stethoscope, it is by mechanical stethoscope, stethoscope sound transducer and data Record and processing unit composition；Mechanical stethoscope is made of auscultation head, connection rubber tube, sebific duct threeway and listening piece；Data record And processing unit is record, storage, heart rate direct-reading, the waveform analysis etc. for carrying out voice data record and handling and can realizing sound The terminal device of function；The connection glue of one end of the threeway of stethoscope sound transducer and mechanical stethoscopic close auscultation head Pipe is connected, and the other end of threeway is connected with the lower end of mechanical stethoscopic close stethoscopic sebific duct threeway by sebific duct；It listens It examines device sound transducer and is connected with data record and processing unit by line；Old-fashioned stethoscope can be upgraded into electronics easily Stethoscope, without destroying original structure, not only remained it is old-fashioned it is stethoscopic facilitate function, but also increase the note of electronic auscultation device The functions such as record, storage, heart rate direct-reading, waveform analysis, cheap, function admirable.The patent by insertion mobile phone to heartbeat into Row record and processing, but it should be inserted into whose mobile phone, the obvious doctor of doctor wants oneself to use, and cannot each patient To having a look, the also inconvenient protection to doctor's individual privacy always takes out hand if being not that doctor voluntarily watches to patient's viewing Machine also be easy to cause doctor can not be completely isolated life and work, if being inserted into, patient's mobile phone process is more complicated to be may relate to want Download software, everyone download one it is also unrealistic, in order to which patient is that each doctor is equipped with one and detects, price is high It is expensive, cost, patient viewing change, due to patient in hospital do not finish watching excessively a patient carry out disinfection to mobile phone it is also less existing It is real, it is be easy to cause the cross-infection of bacterium, therefore more convenient auscultation system should be studied；

The utility model provides a kind of Cardiological stethoscope system, which controls electronic system by key module and examine Measuring heart-beat, and shown by display screen, while the diagnosis information of patient can also be uploaded by WIFI module, it solves Stethoscope fully relies on doctor and carries out count measurement, and patient is to problem uncomprehending the case where oneself.

Summary of the invention

The utility model provides a kind of Cardiological stethoscope system, which controls electronic system by key module and examine Measuring heart-beat, and shown by display screen, while the diagnosis information of patient can also be uploaded by WIFI module, it solves Stethoscope fully relies on doctor and carries out count measurement, solves stethoscope and fully relies on doctor and carries out count measurement, and go to a doctor people Member is to problem uncomprehending the case where oneself.

To achieve the above object, the utility model provides a kind of Cardiological stethoscope system, it is characterised in that: this is intracardiac Section's stethoscope system includes stethoscope ontology, control panel, processing chip, key module, display screen and heartbeat acquisition module；It is described Heartbeat acquisition module include relay, Mike, amplification module and filter module, the output end of relay and the power supply control of Mike End connection processed, the output end of Mike and the input terminal of amplification module connect, the input of the output end and filter module of amplification module End connection；Control panel, which is fixed on, examines among device ontology, and display screen is fixed on the surface of control panel, and key module is fixed on control panel Surface, successively in the right side of display screen, heartbeat acquisition module is connected longitudinal arrangement key module by pipeline and control, place Reason chip is located inside control panel；

The described power supply module output is 5V direct current, the output end of the power supply module power input with processing chip respectively End, the power input of display screen, the power input of the control terminal of relay, Mike power control terminal power input It is connected with the power input of amplification module；

The signal input part of the processing chip is connect with the signal output end of key module and filter module, handles core The signal output end of piece and the signal input part of display screen connect.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the processing Chip is STM32 series STM32F103ZET6 single-chip microcontroller.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the key Module is MS-666 self-locking type key.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the relay Device is the Omron single-pole double-throw relay of model G2R-1-SN.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the amplification Module is LM358 amplification module.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the filtering Module is RC filter module.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the display Screen is TFT-LCD display screen.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, described is intracardiac Section's stethoscope system further includes WIFI module, and the power output end of power supply module and the power input of WIFI module connect, place The signal output end of the signal input part and WIFI module of managing chip connects, and handles the signal output end and WIFI module of chip Signal input part connection, WIFI module are fixed on inside control panel, and WIFI module is the WIFI module of model USR-WIFI232.

As advanced optimizing for the utility model, a kind of Cardiological stethoscope system of the utility model, the control Plate is strip, and the length of control panel is less than 10cm, and the width of control panel is less than 10cm, and display screen and control panel area ratio are 5: 4, the width of control panel is 5mm wider than display screen, and the length of control panel presses the sum of key length than display screen and the single of key module Long 5mm, control plate material are plastics.

A kind of Cardiological stethoscope system of the utility model has the beneficial effect that

1. the utility model provides a kind of Cardiological stethoscope system, which controls electronic system by key module Heartbeat is detected, and is shown by display screen, while the diagnosis information of patient can also be uploaded by WIFI module, is solved Stethoscope of having determined fully relies on doctor and carries out count measurement, and patient is to problem uncomprehending the case where oneself.

2. the utility model system controls electronic system by key module and detects heartbeat, and is shown by display screen, The system facilitates understanding of the patient to oneself situation.

3 the utility model alleviate the burden of medical staff, and detected person easily can see oneself from display screen Measured value, and related content can be putd question to, doctor makes corresponding answer, mitigates medical worker's workload, is really real It now suits the remedy to the case, carries out the explanation of underlying issue to each patient without doctor, do not increase patient and contacted with medical care apparatus Degree, maintain the level of current bacterium isolation, ensured that doctor's is healthy and safe.

4 the utility model control the area of control panel and display screen, so that effect reaches maximization, display screen is accounted for Than facilitating patient to watch greatly, because medical worker needs in for patient's checking process to wear for a long time, especially Cardiological Sit-in doctor can not be detached from system work, and this system limits the size of control panel, so that doctor wears the system and exists During being checked for sufferer, effect promoted with it is improved on the basis of, neck and ear will not be caused excessive Compressing and discomfort, provide convenience for medical worker.

Detailed description of the invention

The utility model is described in more detail with specific implementation method with reference to the accompanying drawing.

Fig. 1 is a kind of structural schematic diagram of Cardiological stethoscope system of the utility model；

Fig. 2 is a kind of hardware structural diagram of Cardiological stethoscope system of the utility model；

Fig. 3 is the circuit diagram of the processing chip of the utility model；

Fig. 4 is the circuit diagram of the key module of the utility model；

Fig. 5 is the circuit diagram of the heartbeat acquisition module of the utility model；

Fig. 6 is the circuit diagram of the display screen of the utility model；

Fig. 7 is the circuit diagram of the WIFI module of the utility model.

In figure: stethoscope ontology 1；Control panel 2；Display screen 3；Heartbeat acquisition module 4.

Specific embodiment

Illustrate present embodiment below with reference to Fig. 1,2,3,4,5,6,7, the utility model provides a kind of Cardiological auscultation Device system, which controls electronic system by key module and detects heartbeat, and is shown by display screen, while can will also go to a doctor The diagnosis information of personnel is uploaded by WIFI module, is solved stethoscope and is fully relied on doctor's progress count measurement, goes to a doctor Personnel are to problem uncomprehending the case where oneself.

To achieve the above object, the utility model provides a kind of Cardiological stethoscope system, the Cardiological stethoscope system System includes stethoscope ontology 1, control panel 2, processing chip, key module, display screen 3 and heartbeat acquisition module 4；The heartbeat Acquisition module 4 includes relay, Mike, amplification module and filter module, the output end of relay and the power control terminal of Mike Connection, the output end of Mike and the input terminal of amplification module connect, and the output end of amplification module and the input terminal of filter module connect It connects；Control panel 2, which is fixed on, examines among device ontology 1, and display screen 3 is fixed on the surface of control panel 2, and key module is fixed on control panel 2 surface, successively for longitudinal arrangement in the right side of display screen 3, heartbeat acquisition module 4 passes through pipeline and control panel 2 to key module Connection, processing chip are located inside control panel 2；

The signal input part of the processing chip is connect with the signal output end of key module and filter module, handles core The signal output end of piece and the signal input part of display screen connect；The utility model power supply module is each module for power supply, key mould Block includes that information collection key and information upload key, presses information collection key, the state of information collection key is locked, letter The signal output end for ceasing capture button is connect with the PE9 pin of the STM32F103ZET6 single-chip microcontroller of processing chip, handles chip The signal output end that the PE9 pin of STM32F103ZET6 single-chip microcontroller recognizes information collection key becomes low level from high level, Illustrate that the key of information collection key is pressed, state is locked, and the STM32F103ZET6 single-chip microcontroller for handling chip obtains information The information that the key of capture button is pressed, and the information is passed through by handling the STM32F103ZET6 single-chip microcontroller of chip PE15 pin exports low level, so that the PNP pipe of relay control terminal is connected, the end CTRL of relay is high level, relay The end IN and NC termination it is logical, Mike is powered, and Mike is acquired patient heartbeats' information, be in closed circuit, conducting wire A part does cutting magnetic induction line movement with magnet, generates electric current, and when heart is in bounce, since distance is close, this just causes wheat Guidewire movement in gram wind, to produce electric current, and then may be implemented the acquisition to the audio-frequency information of heartbeat, and pass through The amplification of LM358 amplification module, the information of the heartbeat of acquisition is amplified, is filtered out noise finally by filter module, should The information of heartbeat is sent to the STM32F103ZET6 single-chip microcontroller of processing chip through PC0 pin by the information of the heartbeat of patient, because Analog-digital commutator built in handling the PC0 pin of the STM32F103ZET6 single-chip microcontroller of chip, directly converts analog signals into number Word signal, the STM32F103ZET6 single-chip microcontroller control display screen for handling chip show the heartbeat message of the patient, control chip STM32F103ZET6 single-chip microcontroller controls display screen work, shows the heartbeat message of patient, TFT-LCD display screen CLK pin and control The PA5 pin of the STM32F103ZET6 single-chip microcontroller of coremaking piece connects, and is clock signal, TFT-LCD display screen MOSI pin and control The PA7 pin of the STM32F103ZET6 single-chip microcontroller of coremaking piece connects, and draws for the synchronous serial interface input of TFT-LCD display screen Foot, when receiving data, which answers clock to keep low level, TFT-LCD display screen RES pin and control to TFT-LCD display screen The PE14 pin of the STM32F103ZET6 single-chip microcontroller of coremaking piece connects, and is reset pin, TFT-LCD display screen DC pin and control The PE11 pin of the STM32F103ZET6 single-chip microcontroller of coremaking piece connects, TFT-LCD display screen BLK pin and control chip The PE12 pin of STM32F103ZET6 single-chip microcontroller connects, TFT-LCD display screen MISO pin and control chip The PA6 pin of STM32F103ZET6 single-chip microcontroller connects, and is the synchronous serial interface output pin of TFT-LCD display screen, TFT- LCD display CS1 pin is connect with the PA4 pin of the STM32F103ZET6 single-chip microcontroller of control chip, is chip select pin, TFT- LCD display CS2 pin is connect with the PE13 pin of the STM32F103ZET6 single-chip microcontroller of control chip；After acquisition again Information collection key is pressed, the state of information collection key changes again, the signal output end and processing core of information collection key The PE9 pin of the STM32F103ZET6 single-chip microcontroller of piece connects, and the PE9 pin for handling the STM32F103ZET6 single-chip microcontroller of chip is known The signal output end for being clipped to information collection key becomes high level from low level, illustrate the key of information collection key by again by Under, the STM32F103ZET6 single-chip microcontroller for handling chip obtains the information that the key of information collection key is pressed, and by the information STM32F103ZET6 single-chip microcontroller by handling chip exports high level by PE15 pin, so that the PNP of relay control terminal Pipe cut-off, the end CTRL of relay are low level, and the end IN of relay and NO termination are logical, and Mike's power supply circuit disconnects, therefore the heart Acquisition module is jumped not work；Summarize if the heartbeat message of the patient will upload, presses information and upload key, information uploads key State it is locked, the PE10 that information uploads the signal output end and the STM32F103ZET6 single-chip microcontroller for handling chip of key draws Foot connection, the PE10 pin for handling the STM32F103ZET6 single-chip microcontroller of chip recognize the signal output end that information uploads key Low level is become from high level, illustrates that the key of information upload key is pressed, state is locked, handles chip STM32F103ZET6 single-chip microcontroller obtains information and uploads the information that key is pressed, and handles the STM32F103ZET6 single-chip microcontroller of chip The information of heartbeat is sent to WIFI module by PB10 pin, WIFI module by the heartbeat message of acquisition by wireless network into Row uploads, and upload can be completed, summarize convenient for subsequent, and information is uploaded if there is a continuing need for uploading once is always maintained at by key pressing The state pressed then presses information again and uploads key when not needing to upload, so that restPosing, handles core The signal output end that the PE10 pin of the STM32F103ZET6 single-chip microcontroller of piece recognizes information upload key becomes high from low level Level illustrates that the key of information upload key is pressed again, and state is locked, handles the STM32F103ZET6 monolithic of chip Machine obtains information and uploads the information that key is pressed again, handles the STM32F103ZET6 single-chip microcontroller of chip no longer by patient's Heartbeat message is sent to WIFI module.

A kind of Cardiological stethoscope system of the utility model, the processing chip are STM32 series STM32F103ZET6 Single-chip microcontroller, the new range of STM32 series uses the single-chip microcontroller of the encapsulation model of LQFP104, LQFP100 or LFBGA100, different Encapsulation keep pin arrangements consistency, in conjunction with the design concept of STM32 platform, developer by selection product can be again excellent Change function, memory, performance and pin number, the application demand of personalization met with the smallest hardware change, STM32F103ZET6 single-chip microcontroller have 144 pins, STM32 series belong in 32 ARM microcontrollers, the family chip It is that (ST) company, STMicw Electronics produces, kernel is Cortex-M3, has many advantages, such as low-power consumption, some pin inner portions collection At analog-to-digital conversion module, conversion time be 1 μ s, STM32F103ZET6 single-chip microcontroller integrated timer, CAN, ADC, SPI, I2C, The multiple functions such as USB and UART.

A kind of Cardiological stethoscope system of the utility model, the key module is MS-666 self-locking type key, self-locking Type key is pressed, and then state is locked, until pressing then state change again, self-locking key works are when by its closure of ordering When, state locking is pressed again, and state is just changed, and otherwise state saves always, and self-locking key is conducive to the control to process, State changes therewith pressing and is changed, and will not automatically switch the signal output end of self-locking key.

A kind of Cardiological stethoscope system of the utility model, the relay are the Omron hilted broadsword of model G2R-1-SN Double-throw relay, relay are the Omron single-pole double-throw relay of model G2R-1-SN, which shares 5 A pin CTRL, GND, IN, NO and NC, CTRL pin are control pin, and GND pin ground connection, IN is input pin, and NC is normally closed Pin, NO is normally opened pin, and when CTRL pin is low level, IN pin and NO pin are connected, when CTRL pin is high level, IN Pin and NC pin are connected.

A kind of Cardiological stethoscope system of the utility model, the amplification module are LM358 amplification module, and LM358 is Dual operational amplifier, inside include being suitable for power supply there are two the operational amplifier that independent, high-gain, internal frequency compensate The very wide single supply of voltage range uses, and is also applied for dual power supply operating mode, under the operating condition of recommendation, source current with Supply voltage is unrelated, its use scope includes sensor amplifier, DC current gain module and other all available single supply power supplies The occasion using operational amplifier.

A kind of Cardiological stethoscope system of the utility model, the filter module are RC filter module.

A kind of Cardiological stethoscope system of the utility model, the display screen 3 are TFT-LCD display screen, TFT-LCD liquid Crystal display screen is Thin-film transistor type LCD, that is, " very color " (TFT), and TFT liquid crystal is that each pixel is designed with one A semiconductor switch, each pixel can be directly controlled by a pulse, thus each node is relatively independent, and can connect Continuous control, not only increases the reaction speed of display screen, while can accurately control display level, so the color of TFT liquid crystal More very, the characteristics of TFT liquid crystal display is good brightness, contrast is high, stereovision is strong, bright-colored, but there is also compare consumption Electricity and the excessively high deficiency of cost, TFT liquid crystal technology accelerate the development of mobile phone color screen, much all prop up in colour screen handset of new generation It holds 65536 colors to show, some even supports 160,000 colors to show, at this moment the high contrast of TFT, and coloury advantage is just very heavy It has been wanted that, 3.2 cun of TFT-LCD display screens, the STM32F103ZET6 single-chip microcontroller of TFT-LCD display screen CLK pin and control chip The PA7 pin of the STM32F103ZET6 single-chip microcontroller of the connection of PA5 pin, TFT-LCD display screen MOSI pin and control chip connects It connects, TFT-LCD display screen RES pin is connect with the PE14 pin of the STM32F103ZET6 single-chip microcontroller of control chip, TFT-LCD Display screen DC pin is connect with the PE11 pin of the STM32F103ZET6 single-chip microcontroller of control chip, and TFT-LCD display screen BLK draws Foot is connect with the PE12 pin of the STM32F103ZET6 single-chip microcontroller of control chip, TFT-LCD display screen MISO pin and control core The PA6 pin of the STM32F103ZET6 single-chip microcontroller of piece connects, TFT-LCD display screen CS1 pin and control chip The PA4 pin of STM32F103ZET6 single-chip microcontroller connects, and is chip select pin, TFT-LCD display screen CS2 pin and control chip The PE13 pin of STM32F103ZET6 single-chip microcontroller connects.

A kind of Cardiological stethoscope system of the utility model, the Cardiological stethoscope system further includes WIFI module, The power output end of power supply module and the power input of WIFI module connect, and handle the signal input part and WIFI module of chip Signal output end connection, the signal input part of the signal output end and WIFI module that handle chip connects, and WIFI module fixes Inside control panel 2, WIFI module is the WIFI module of model USR-WIFI232.

A kind of Cardiological stethoscope system of the utility model, the control panel 2 are strip, and the length of control panel 2 is small In 10cm, the width of control panel 2 is less than 10cm, and display screen 3 and 2 area ratio of control panel are 5:4, and the width of control panel 2 is than display Shield 3 width 5mm, the length of control panel 2 presses the long 5mm of the sum of key length, 2 material of control panel than display screen 3 and the single of key module For plastics, plastics have the advantages that small density, light weight, anti-pollution, resistance to irradiation and waterproof, such ratio make the display unit Point reach display effect maximization, and guarantee lighter in weight, medical worker in wearing checking process will not weight it is too heavy, make It is uncomfortable at neck and ear.

The working principle of the utility model is:

The utility model power supply module is each module for power supply, key module include information collection key and information upload by Key presses information collection key, and the state of information collection key is locked, the signal output end and processing core of information collection key The PE9 pin of the STM32F103ZET6 single-chip microcontroller of piece connects, and the PE9 pin for handling the STM32F103ZET6 single-chip microcontroller of chip is known The signal output end for being clipped to information collection key becomes low level from high level, illustrates that the key of information collection key is pressed, State is locked, and the STM32F103ZET6 single-chip microcontroller for handling chip obtains the information that the key of information collection key is pressed, and The information is exported into low level by PE15 pin by the STM32F103ZET6 single-chip microcontroller of processing chip, so that relay control The PNP pipe at end processed is connected, and the end CTRL of relay is high level, and the end IN of relay and NC termination are logical, and Mike is powered, wheat Gram patient heartbeats' information is acquired, is in closed circuit, a part and magnet of conducting wire do cutting magnetic induction line movement, generate Electric current, when heart is in bounce, since distance is close, this just causes the guidewire movement in microphone, so that electric current is produced, into And the acquisition to the audio-frequency information of heartbeat may be implemented, amplified by LM358 amplification module, the information of the heartbeat of acquisition is carried out Amplification, is filtered out noise finally by filter module, and the information of the heartbeat of the patient sends the information of heartbeat through PC0 pin To the STM32F103ZET6 single-chip microcontroller of processing chip, because in the PC0 pin of the STM32F103ZET6 single-chip microcontroller of processing chip Analog-digital commutator is set, digital signal is directly converted analog signals into, handles the STM32F103ZET6 single-chip microcontroller control of chip Display screen shows the heartbeat message of the patient, controls the STM32F103ZET6 single-chip microcontroller control display screen work of chip, shows and suffer from The PA5 pin of the STM32F103ZET6 single-chip microcontroller of the heartbeat message of person, TFT-LCD display screen CLK pin and control chip connects It connects, is clock signal, TFT-LCD display screen MOSI pin and the PA7 pin of the STM32F103ZET6 single-chip microcontroller of control chip connect It connects, is the synchronous serial interface input pin of TFT-LCD display screen, when receiving data, the pin is seasonable for TFT-LCD display screen Clock keeps low level, and TFT-LCD display screen RES pin and the PE14 pin of the STM32F103ZET6 single-chip microcontroller of control chip connect It connects, is reset pin, TFT-LCD display screen DC pin and the PE11 pin of the STM32F103ZET6 single-chip microcontroller of control chip connect It connects, TFT-LCD display screen BLK pin is connect with the PE12 pin of the STM32F103ZET6 single-chip microcontroller of control chip, TFT-LCD Display screen MISO pin is connect with the PA6 pin of the STM32F103ZET6 single-chip microcontroller of control chip, is TFT-LCD display screen The PA4 of the STM32F103ZET6 single-chip microcontroller of synchronous serial interface output pin, TFT-LCD display screen CS1 pin and control chip Pin connection is chip select pin, the PE13 of TFT-LCD display screen CS2 pin and the STM32F103ZET6 single-chip microcontroller of control chip Pin connection；Information collection key is pressed after acquisition again, the state of information collection key changes again, and information collection is pressed The signal output end of key is connect with the PE9 pin of the STM32F103ZET6 single-chip microcontroller of processing chip, handles chip The signal output end that the PE9 pin of STM32F103ZET6 single-chip microcontroller recognizes information collection key becomes high level from low level, Illustrate that the key of information collection key is depressed again, handle chip STM32F103ZET6 single-chip microcontroller obtain information collection by The information that the key of key is pressed, and the information is passed through into PE15 pin by the STM32F103ZET6 single-chip microcontroller of processing chip Export high level so that the PNP pipe of relay control terminal end, the end CTRL of relay is low level, the end IN of relay and NO termination is logical, and Mike's power supply circuit disconnects, therefore heartbeat acquisition module does not work；If the heartbeat message of the patient will upload remittance Always, then it presses information and uploads key, the state that information uploads key is locked, and information uploads signal output end and the processing of key The PE10 pin of the STM32F103ZET6 single-chip microcontroller of chip connects, and the PE10 for handling the STM32F103ZET6 single-chip microcontroller of chip draws Foot recognize information upload key signal output end low level is become from high level, illustrate information upload key key by by Under, state is locked, and the STM32F103ZET6 single-chip microcontroller for handling chip obtains information and uploads the information that key is pressed, processing The information of heartbeat is sent to WIFI module by PB10 pin by the STM32F103ZET6 single-chip microcontroller of chip, and WIFI module will adopt The heartbeat message of collection is uploaded by wireless network, and upload can be completed, and is summarized convenient for subsequent, is believed if there is a continuing need for uploading Breath upload the state pressed once is always maintained at by key pressing, when do not need upload when, then press again information upload by Key, so that restPosing, the PE10 pin for handling the STM32F103ZET6 single-chip microcontroller of chip recognizes information and uploads key Signal output end high level is become from low level, illustrate that information uploads the key of key and is pressed again, state is locked, place The STM32F103ZET6 single-chip microcontroller of reason chip obtains information and uploads the information that key is pressed again, handles chip The heartbeat message of patient is no longer sent to WIFI module by STM32F103ZET6 single-chip microcontroller.

Certainly, above description is not limitation of the utility model, and the utility model is also not limited to the example above, this skill The variations, modifications, additions or substitutions that the those of ordinary skill in art field is made in the essential scope of the utility model, also belong to In the protection scope of the utility model.

Claims

1. a kind of Cardiological stethoscope system, it is characterised in that: the Cardiological stethoscope system includes stethoscope ontology (1), control Making sheet (2), processing chip, key module, display screen (3) and heartbeat acquisition module (4)；Heartbeat acquisition module (4) packet Relay, Mike, amplification module and filter module are included, the output end of relay and the power control terminal of Mike connect, Mike's The connection of the input terminal of output end and amplification module, the output end of amplification module and the input terminal of filter module connect；Control panel (2) It is fixed on and examines among device ontology (1), display screen (3) is fixed on the surface of control panel (2), and key module is fixed on control panel (2) Surface, successively for longitudinal arrangement in the right side of display screen (3), heartbeat acquisition module (4) passes through pipeline and control to key module Plate (2) connection, it is internal that processing chip is located at control panel (2)；

Power supply module output be 5V direct current, the output end of power supply module respectively with processing chip power input, display screen Power input, the power input of control terminal of relay, Mike power control terminal power input and amplification mould The power input of block connects；

The signal input part of the processing chip is connect with the signal output end of key module and filter module, handles chip The connection of the signal input part of signal output end and display screen.

2. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the processing chip is STM32 series STM32F103ZET6 single-chip microcontroller.

3. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the key module is MS- 666 self-locking type keys.

4. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the relay is model The Omron single-pole double-throw relay of G2R-1-SN.

5. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the amplification module is LM358 amplification module.

6. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the filter module is RC filter Wave module.

7. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the display screen (3) is TFT-LCD display screen.

8. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the Cardiological stethoscope system System further includes WIFI module, and the power output end of power supply module and the power input of WIFI module connect, and handles the letter of chip Number input terminal and the signal output end of WIFI module connect, and handle the signal output end of chip and the signal input part of WIFI module Connection, WIFI module are fixed on control panel (2) inside, and WIFI module is the WIFI module of model USR-WIFI232.

9. a kind of Cardiological stethoscope system according to claim 1, it is characterised in that: the control panel (2) is length Bar shaped, the length of control panel (2) are less than 10cm, and the width of control panel (2) is less than 10cm, display screen (3) and control panel (2) area Than for 5:4, the width of control panel (2) is than display screen (3) width 5mm, and the length of control panel (2) is than display screen (3) and key module Individually by the long 5mm of the sum of key length, control panel (2) material is plastics.