Household human health monitoring system

Abstract

The utility model provides a household human health monitoring system, which relates to the technical field of human health monitoring and comprises a monitoring terminal, the monitoring terminal comprises an external lead wire, an integrated metal electrode plate and a built-in main control board, and the main control board comprises a processor, a first analog-to-digital converter and a second analog-to-digital converter. The first analog-to-digital converter is connected with the metal electrode slice, the second analog-to-digital converter is connected with the lead wire, and the monitoring terminal is used for converting an analog physiological signal collected by the metal electrode slice into a digital physiological signal through the first analog-to-digital converter and transmitting the digital physiological signal to the processor; analog physiological signals collected by the lead wire are converted into digital physiological signals through the second analog-to-digital converter, and the digital physiological signals are transmitted to the processor. The lead wire and the metal electrode plate are arranged on the monitoring terminal, the simulated physiological signals of the human body can be collected through the external lead wire, the operation posture of a user is not limited, interference caused by the wrong operation posture is avoided, and the signal accuracy is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to human health monitoring technical field especially relates to a domestic human health monitoring system. BACKGROUND

[0002] The electrocardiogram monitoring is extremely important for the diagnosis and treatment of cardiovascular disease, the existing twelve lead electrocardiograph is complex to operate, needs professional medical staff to operate to obtain electrocardiogram, and it is very possible to miss the time of disease. The real-time portable and simple operation domestic electrocardiograph makes up the deficiency of twelve lead electrocardiograph.

[0003] Most domestic electrocardiographs mainly adopt the collection mode of metal electrode pieces, the operation is simple, but the collection result is limited by the operation posture of the operator, and the non-standard posture can affect the accuracy of the final electrocardio signal. UTILITY MODEL CONTENT

[0004] The utility model provides a domestic human health monitoring system, solved the domestic electrocardiograph limited by the operation posture of the operator, and the non-standard posture can affect the accuracy of the electrocardio signal.

[0005] The utility model provides a domestic human health monitoring system, including monitoring terminal, the monitoring terminal includes the lead line of external connection, integrated metal electrode piece and built -in main control board, the main control board includes treater, first analog -to -digital converter and second analog -to -digital converter, first analog -to -digital converter is connected with metal electrode piece, second analog -to -digital converter is connected with lead line, the monitoring terminal is used to through first analog -to -digital converter with metal electrode piece collection analog physiological signal is converted into digital physiological signal, and is transmitted to treater, or, through second analog -to -digital converter with lead line collection analog physiological signal is converted into digital physiological signal, and is transmitted to treater.

[0006] As an embodiment, first analog -to -digital converter and second analog -to -digital converter are cascaded, the DOUT pin of first analog -to -digital converter and second analog -to -digital converter is connected with the MISO1 pin of treater, the SCLK pin of first analog -to -digital converter and second analog -to -digital converter is connected with the SCLK1 pin of treater, the DIN pin of first analog -to -digital converter and second analog -to -digital converter is connected with the MOSI1 pin of treater, the chip selection CS1 pin of first analog -to -digital converter is connected with the GPO0 pin of treater, the chip selection CS2 pin of second analog -to -digital converter is connected with the GPO1 pin of treater, and the chip selection CS1 pin and chip selection CS2 pin are used to realize the hardware switching of first analog -to -digital converter and second analog -to -digital converter.

[0007] As an embodiment, the lead wire comprises a plurality of electrode buckles, each of which is arranged at a preset body part through a disposable electrode pad to collect an analog physiological signal of the preset body part.

[0008] As an embodiment, the preset body part comprises a right leg, a right arm, a left leg and a left arm of a human body, three electrode buckles are arranged at the right leg, the right arm and the left arm of the human body through the disposable electrode pad respectively to collect an analog electrocardio signal of a single-lead single-channel waveform; four electrode buckles are arranged at the right leg, the right arm, the left leg and the left arm of the human body through the disposable electrode pad to collect an analog electrocardio signal of a four-lead six-channel waveform.

[0009] As an embodiment, the monitoring terminal further comprises a compatibility interface, which is used for charging, data transmission with an upper computer or data transmission with the lead wire.

[0010] As an embodiment, the monitoring terminal comprises an upper shell and a lower shell, and the main control board is arranged between the upper shell and the lower shell.

[0011] As an embodiment, the metal electrode pad comprises a first metal electrode pad, a second metal electrode pad, a third metal electrode pad and a fourth metal electrode pad, the first metal electrode pad and the fourth metal electrode pad are larger than the second metal electrode pad and the third metal electrode pad respectively, the first metal electrode pad, the second metal electrode pad and the third metal electrode pad are arranged on the left and right sides of the upper shell, and the fourth metal electrode pad is arranged on the lower shell to collect an electrocardio signal of a single-lead single-channel waveform or an electrocardio signal of a four-lead six-channel waveform.

[0012] As an embodiment, the first analog-to-digital converter and the second analog-to-digital converter are integrated with a signal test circuit, a right leg driving amplification circuit, a lead wire falling detection circuit, a reference voltage circuit and a differential amplification circuit, the signal test circuit, the right leg driving amplification circuit and the lead wire falling detection circuit are connected with the differential amplification circuit respectively, and the reference voltage circuit provides a reference voltage for the differential amplification circuit.

[0013] As an embodiment, the monitoring terminal further comprises a human-computer interaction module, which is connected with the processor.

[0014] As an embodiment, the main control board further comprises a communication module, which is used for realizing data interaction between the processor and a mobile terminal and / or a cloud platform.

[0015] The household human body health monitoring system provided by the utility model sets up lead wire and metal electrode sheet on monitoring terminal, can collect analog physiological signal of human body through external lead wire, does not limit operation posture of user, reduces operation requirement of patient, avoids interference caused by operation posture, and improves precision of collected signal. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, obviously, the drawings in the following description are some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0017] Figure 1 It is one of the structure schematic diagram of the household human body health monitoring system provided by the utility model.

[0018] Figure 2 It is the circuit principle diagram of the first analog-digital converter, the second analog-digital converter and the processor provided by the utility model.

[0019] Figure 3 It is the schematic diagram of the single-lead single-channel acquisition mode based on lead wire provided by the utility model.

[0020] Figure 4 It is the schematic diagram of the four-lead six-channel acquisition mode based on lead wire provided by the utility model.

[0021] Figure 5 It is the circuit principle diagram of the second analog-digital converter provided by the utility model.

[0022] Figure 6 It is one of the schematic diagram of the metal electrode sheet acquisition mode provided by the utility model.

[0023] Figure 7 It is the schematic diagram of the metal electrode sheet acquisition mode provided by the utility model.

[0024] Figure 8 It is the single-lead single-channel waveform schematic diagram provided by the utility model.

[0025] Figure 9 It is the four-lead six-channel waveform schematic diagram provided by the utility model.

[0026] Figure 10 It is the second structure schematic diagram of the household human body health monitoring system provided by the utility model.

[0027] Figure 11 It is the schematic diagram of the setting interface of the monitoring terminal provided by the utility model.

[0028] Figure 12 is Figure 11 is a schematic view of a manual acquisition sub-interface.

[0029] Figure 13 is a schematic view of a setting interface of a mobile terminal provided by the present application.

[0030] Figure 14 is Figure 13 is a schematic view of a manual lead sub-interface.

[0031] In the figure, 100 - monitoring terminal, 110 - lead wire, 120 - metal electrode piece, 130 - main control board, 131 - processor, 132 - first analog-to-digital converter, 133 - second analog-to-digital converter, 200 - cloud platform, 300 - mobile terminal, 400 - upper computer. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical scheme and advantages of the present application more clear, the technical scheme in the present application will be described clearly and completely below in combination with the drawings in the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0033] Figure 1 is one of the structural schematic views of the household human health monitoring system provided by the present application, as Figure 1 The present application provides a household human health monitoring system, which comprises a monitoring terminal 100. The monitoring terminal 100 comprises an externally connected lead wire 110, an integrated metal electrode piece 120 and a built-in main control board 130. The main control board 130 comprises a processor 131, a first analog-to-digital converter 132 and a second analog-to-digital converter 133. The first analog-to-digital converter 132 is connected with the metal electrode piece 120, and the second analog-to-digital converter 133 is connected with the lead wire 110. The monitoring terminal 100 is used to convert the analog physiological signals collected by the metal electrode piece 120 into digital physiological signals through the first analog-to-digital converter 132 and transmit the signals to the processor 131, or convert the analog physiological signals collected by the lead wire 110 into digital physiological signals through the second analog-to-digital converter 133 and transmit the signals to the processor 131. In this embodiment, the analog physiological signals are electrocardiogram signals.

[0034] Optionally, the monitoring terminal 100 comprises an upper shell and a lower shell, the main control board 130 is arranged between the upper shell and the lower shell, the monitoring terminal 100 is further provided with a man-machine interaction module, the man-machine interaction module is connected with the processor 131, the man-machine interaction module comprises a key, a screen for displaying an electrocardio signal, an alarm circuit and the like, and the monitoring terminal 100 is further provided with a compatibility interface (such as a USB interface or a Type-C interface), the compatibility interface is used for charging, data transmission with the upper computer 400 or data transmission with the lead wire 110.

[0035] In the embodiment of the utility model, the screen is an LCD high-definition screen, and in other embodiments, a touch screen can also be used; the alarm circuit is a buzzer, and the buzzer can generate a heartbeat prompt sound; in other embodiments, an audible and visual alarm can also be used. The monitoring terminal 100 is light and small, and is suitable for self-monitoring and recording of electrocardio waveforms and heart rates by household users.

[0036] It can be understood that the utility model can collect electrocardio signals through the external lead wire 110 or the integrated metal electrode sheet 120, and when a user cannot correctly hold the metal electrode sheet 120 due to illness, the external lead wire 110 can be used to collect electrocardio data of the human body, the operation requirement for patients is reduced, and the defect of a decrease in the accuracy of electrocardio signals caused by an incorrect holding posture can be avoided.

[0037] On the basis of the above-mentioned embodiments, as an optional embodiment, as shown in Figure 2 The first analog-to-digital converter 132 and the second analog-to-digital converter 133 are connected in cascade, the DOUT pins of the first analog-to-digital converter 132 and the second analog-to-digital converter 133 are connected with the MISO1 pin of the processor 131, the SCLK pins of the first analog-to-digital converter 132 and the second analog-to-digital converter 133 are connected with the SCLK1 pin of the processor 131, the DIN pins of the first analog-to-digital converter 132 and the second analog-to-digital converter 133 are connected with the MOSI1 pin of the processor 131, the chip select CS1 pin of the first analog-to-digital converter is connected with the GPO0 pin of the processor, the chip select CS2 pin of the second analog-to-digital converter is connected with the GPO1 pin of the processor, and the chip select CS1 pin and the chip select CS2 pin are used to realize hardware switching of the first analog-to-digital converter 132 and the second analog-to-digital converter 133.

[0038] The utility model has two modes to realize electrocardio collection, one is an external lead wire 110 collection mode, and the other is a metal electrode sheet 120 collection mode, and the switching mode of the external lead wire 110 and the metal electrode sheet 120 collection mode can be realized through hardware switching and manual switching.

[0039] The first analog-to-digital converter 132 and the second analog-to-digital converter 133 can be composed of multi-channel synchronous sampling 16-bit delta-sigma analog-to-digital converters, such as ADS1192 chips, and the highest running data rate can reach 8kSPS. The first analog-to-digital converter 132 and the second analog-to-digital converter 133 are each provided with a CS pin, and share three pins of DOUT, SCLK and DIN. If the first analog-to-digital converter 132 and the second analog-to-digital converter 133 are not working, the DOUT pin will be in a high impedance state, and the utility model utilizes the cascading characteristics to realize the hardware switching of the external lead wire 110 and the metal electrode piece 120 collection. When the external lead wire 110 is not inserted, the LINE_INSERT pin of the processor MCU is at a high level, and then the CS1 pin of the first analog-to-digital converter 132 is pulled low, the processor MCU receives the data output by the DOUT pin of the first analog-to-digital converter 132, and the DOUT pin of the second analog-to-digital converter 133 is in a high impedance state and does not output data, which is a metal electrode piece 120 collection mode. When the external lead wire 110 is inserted, the LINE_INSERT pin of the processor MCU is pulled low, the level becomes 0, the CS2 pin of the second analog-to-digital converter 133 is pulled low, the processor MCU receives the data output by the DOUT pin of the second analog-to-digital converter 133, and the DOUT pin of the first analog-to-digital converter 132 is in a high impedance state and does not output data, which is an external lead wire 110 collection mode.

[0040] It can be understood that the utility model adopts integrated chips to constitute the first and second analog-to-digital converters 133, has stable performance, strong anti-interference ability, can realize hardware filtering, baseline filtering, power frequency filtering and electromyographic filtering, and makes the electrocardiogram signal more accurate and complete.

[0041] On the basis of the above-mentioned embodiment, as an optional embodiment, the lead wire 110 comprises a plurality of electrode buckles, each electrode buckle is arranged at a preset human body part through a disposable electrode piece to collect an analog physiological signal of the preset human body part.

[0042] The lead wire 110 of the embodiment is composed of four wires, one end is a Type-C socket, and the other end is four electrode buckles of the lead wire 110. Each buckle is connected to each limb of the human body through a disposable electrode piece, and the signals generated on the surface of each limb of the human body are taken as analog electrocardiogram signals. Then, the collected analog electrocardiogram signals are transmitted to the second analog-to-digital converter through the interface, the second analog-to-digital converter converts the analog electrocardiogram signals into digital electrocardiogram signals and sends them to the processor MCU, and the processor MCU processes and stores the digital electrocardiogram signals.

[0043] Optionally, the preset human body parts include right leg, right arm, left leg and left arm of the human body, three electrode buckles are arranged on the right leg, right arm and left arm of the human body through the disposable electrode sheet, and are used for collecting analog ECG signals of single-lead single-channel waveform; four electrode buckles are arranged on the right leg, right arm, left leg and left arm of the human body through the disposable electrode sheet, and are used for collecting analog ECG signals of four-lead six-channel waveform.

[0044] As shown in Figure 3 and Figure 4 The lead line 110 socket end is a Type-C male type, which is inserted into the Type-C female of the main control board 130, and the other end is a buckle type electrode with four branch buckles, four limb leads RA (right hand), RL (right leg), LA (left hand) and LL (left leg). If only RA, RL and LA lead lines 110 are connected to the right leg, right arm and left arm of the body for ECG collection, single-lead single-channel waveform can be collected, and if RA, RL, LA and LL lead lines 110 are connected to the right leg, right arm and left leg, left arm of the body for ECG collection, four-lead six-channel waveform can be collected.

[0045] It can be understood that the utility model realizes single-lead and multi-lead collection modes by connecting different numbers of lead lines 110, and solves the defect that the collection mode of the metal electrode sheet 120 is limited.

[0046] On the basis of the above-mentioned embodiment, as an optional embodiment, the first analog-to-digital converter 132 and the second analog-to-digital converter 133 are integrated with a signal test circuit, a right leg driving amplification circuit, a lead line 110 falling detection circuit, a reference voltage circuit and a differential amplification circuit, the signal test circuit, the right leg driving amplification circuit and the lead line 110 falling detection circuit are connected with the differential amplification circuit respectively, and the reference voltage circuit provides reference voltage for the differential amplification circuit.

[0047] The ECG signals collected by the lead line 110 or the metal electrode sheet 120 need to be processed by analog-to-digital conversion, and the first and second analog-to-digital converters 133 are integrated with a signal test circuit, a right leg driving amplification circuit, a lead line 110 falling detection circuit, an oscillator circuit and a reference voltage circuit. In this embodiment, the second analog-to-digital converter 133 is taken as an example, the reference voltage circuit provides a voltage of 4.033V, the right leg driving circuit reduces the interference of the human body common mode signal on the ECG signal by using negative feedback principle, and the lead line 110 falling detection circuit judges the lead falling condition by using direct current lead falling detection principle.

[0048] As shown in Figure 5As shown, the acquisition principle of the second analog-to-digital converter 133 is as follows: For lead I, I = LA - RA. When only channel CH1 corresponding to LA and RA has an input signal at the input terminal, the single-channel lead I ECG acquisition waveform is obtained after differential amplification, and then the data interaction with the processor MCU is completed through SPI. For I = LA - RA, II = LL - RA, III = LL - LA and aVR = RA - 0.5(LA + LL), aVL = LA - 0.5(LL + RA), aVF = LL - 0.5(LA + RA), when both CH1 and CH2 corresponding to RA, LA, and LL at the input terminals of the second analog-to-digital converter 133 have input signals, the signals can be differentially amplified to obtain six-channel lead I, II, III, aVR, aVL, and aVF ECG waveforms, and finally the data interaction with the processor MCU is completed through SPI.

[0049] It is understood that by integrating a signal testing circuit, a right leg drive amplifier circuit, a lead wire 110 detachment detection circuit, a reference voltage circuit, and a differential amplifier circuit on the first analog-to-digital converter 132 and the second analog-to-digital converter 133, this utility model can detect the detachment of the lead wire 110, reduce interference by using the right leg drive circuit, and improve the accuracy of ECG monitoring.

[0050] Based on the above embodiments, as an optional embodiment, the metal electrode pad 120 includes a first metal electrode pad, a second metal electrode pad, a third metal electrode pad, and a fourth metal electrode pad 120. The first metal electrode pad and the fourth metal electrode pad 120 are larger than the second metal electrode pad and the third metal electrode pad, respectively. The first metal electrode pad, the second metal electrode pad, and the third metal electrode pad are disposed on the left and right sides of the upper housing, and the fourth metal electrode pad 120 is disposed on the lower housing, for acquiring single-lead single-channel waveform ECG signals or four-lead six-channel waveform ECG signals.

[0051] The first metal electrode is a large electrode and is located on the left side of the upper housing. The second and third metal electrode are small electrode and are located on the right side of the upper housing. The fourth metal electrode 120 is a large electrode and is located at the center of the lower housing. The first, second, third and fourth metal electrode 120 correspond to LA, RA, RL and LL, respectively.

[0052] like Figure 6 and Figure 7 As shown, single-lead and multi-lead acquisition modes can be achieved by holding the metal electrode pads 120 at different locations. If only the metal pads corresponding to RA, RL, and LA are held, and ECG acquisition is performed on the right leg, right arm, and left arm, a single-lead single-channel waveform can be acquired. If the metal pads corresponding to LA, RA, RL, and LL are held, a four-lead six-channel waveform can be acquired.

[0053] Figure 8 and Figure 9 The single-lead single-channel waveform schematic diagram and the four-lead six-channel waveform schematic diagram are respectively a single-lead single-channel waveform schematic diagram and a four-lead six-channel waveform schematic diagram of a heart rate of 80bpm, and a liquid crystal display screen of the monitoring terminal 100 can display data obtained by the processor MCU in the form of a single-channel I lead and six-channel I, II, III, aVR, aVL and aVF leads.

[0054] It can be understood that the first metal electrode sheet, the second metal electrode sheet, the third metal electrode sheet and the fourth metal electrode sheet 120 are integrated on the shell of the monitoring terminal 100, which is beneficial to reduce the volume and facilitate use.

[0055] Figure 10 is a second structure schematic diagram of the household human health monitoring system provided by the utility model, as shown in Figure 10 As an optional embodiment, the household human health monitoring system comprises the monitoring terminal 100, the cloud platform 200, the mobile terminal 300 and the host computer 400, the monitoring terminal 100, the mobile terminal 300 and the host computer 400 can be used in the user's home, the host computer 400 can be a desktop computer or a notebook computer, and the mobile terminal 300 can be a mobile phone or a tablet computer.

[0056] The monitoring terminal 100 is used for collecting and processing electrocardio data of a user, and transmits the processed electrocardio data to the mobile terminal 300 and / or the host computer 400, so as to download or browse data, and can also perform corresponding operations in response to a control instruction of the mobile terminal 300 and / or the host computer 400.

[0057] Optionally, the main control board 130 further comprises a communication module, and the communication module is used for realizing data interaction between the processor 131 and the mobile terminal 300 and / or the cloud platform 200.

[0058] Optionally, the main control board 130 further comprises a Flash chip, the MCU chip comprises SPI and EXMC communication; the Flash chip has a memory capacity of 32M-BIT; and the Bluetooth chip is a high-speed BLE Bluetooth mode of Bluetooth 5.0.

[0059] The collection mode of the lead wire 110 and the metal electrode piece 120 can be manually switched by monitoring the human-computer interaction module on the terminal 100, and can also be manually switched by the mobile terminal 300 or the upper computer 400.

[0060] As shown in Figure 11 and Figure 12 , the liquid crystal display screen of the monitoring terminal 100 can be used to display the functions of the setting interface such as "collection time", "heartbeat sound switch", "review mode", "manual collection", "delete all cases", etc. The "manual collection" option is used to switch the collection of the lead wire 110 and the metal electrode piece 120 by the program-controlled MCU. The operation is as follows: after clicking "manual collection", "lead wire 110 collection" and "metal electrode piece 120 collection" can be selected. If "lead wire 110 collection" is selected, the metal electrode piece 120 collection will be disabled, and the lead wire 110 needs to be connected for collection. If "metal electrode piece 120 collection" is selected, the lead wire 110 collection will be disabled, and the user needs to hold the metal electrode piece 120 on the monitoring terminal 100 for collection.

[0061] If "lead wire 110 collection" is selected, a general disposable electrode piece is pasted to each limb of the human body, and the snap electrode of the lead wire 110 is snapped on the disposable electrode piece of each limb according to the label indication. The monitoring terminal 100 is placed on an insulating board, and the body is kept in a relaxed state. After a period of pre-collection, the waveform of the monitoring terminal 100 changes from red to green when the electrocardio signal is stable, and formal collection and data storage are performed. The user can enter the case list and case review interface through the power button, and then enter the setting interface by long pressing the up button to set the collection time, heartbeat sound switch, review mode, and delete all cases.

[0062] As shown in Figure 13 and Figure 14 , the mobile terminal 300 and the monitoring terminal 100 are connected through a Bluetooth chip. The setting interface of the mobile terminal 300 includes functions such as "language", "time", "heartbeat sound", "manual lead", etc. The "manual lead" option is used to switch the collection mode of the lead wire 110 and the metal electrode piece 120. The operation is as follows: after clicking "manual lead", "lead wire 110 collection" and "metal electrode piece 120 collection" can be selected. If "lead wire 110 collection" is selected, the metal electrode piece 120 collection will be disabled, and the lead wire 110 needs to be connected for collection. If "metal electrode piece 120 collection" is selected, the lead wire 110 collection will be disabled, and the user needs to hold the metal electrode piece 120 on the monitoring terminal 100 for collection.

[0063] The initial or each connection of the mobile terminal 300 and the monitoring terminal 100 displays the functions of the history case and the data collection on the visual interface of the mobile terminal 300, if the user selects the history case function, the functions of the online branch and the viewing are executed, if the data collection function is selected, the monitoring terminal 100 is controlled to collect data, and the monitoring terminal 100 synchronizes the data to the mobile terminal 300 in real time after the data collection is completed.

[0064] The monitoring terminal 100 can be connected with the upper computer 400 through a Type-c data line and upload data, and the upper computer 400 can be used for setting related parameters of the monitoring terminal 100, downloading cases and reviewing cases.

[0065] It can be understood that the utility model provides a kind of ECG monitoring system with switchable external lead wire 110 and metal electrode piece 120, and monitoring terminal 100 can be managed by mobile terminal 300, upper computer 400, cloud platform 200 etc., and it is applicable to the self-monitoring and recording of ECG waveform and heart rate of family user.

[0066] Finally, it should be noted that: the above examples are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing examples, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing examples, or make equivalent replacement to part of technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A home human health monitoring system, characterized by, The monitoring terminal comprises an external lead wire, an integrated metal electrode sheet and an internal main control board, the main control board comprises a processor, a first analog-to-digital converter and a second analog-to-digital converter, the first analog-to-digital converter is connected with the metal electrode sheet, the second analog-to-digital converter is connected with the lead wire, the monitoring terminal is used for converting the analog physiological signal collected by the metal electrode sheet into a digital physiological signal through the first analog-to-digital converter and transmitting the digital physiological signal to the processor, or converting the analog physiological signal collected by the lead wire into a digital physiological signal through the second analog-to-digital converter and transmitting the digital physiological signal to the processor.

2. The home human health monitoring system of claim 1, wherein, The first analog-to-digital converter and the second analog-to-digital converter are cascaded, the DOUT pins of the first analog-to-digital converter and the second analog-to-digital converter are connected with the MISO1 pin of the processor, the SCLK pins of the first analog-to-digital converter and the second analog-to-digital converter are connected with the SCLK1 pin of the processor, the DIN pins of the first analog-to-digital converter and the second analog-to-digital converter are connected with the MOSI1 pin of the processor, the chip select CS1 pin of the first analog-to-digital converter is connected with the GPO0 pin of the processor, the chip select CS2 pin of the second analog-to-digital converter is connected with the GPO1 pin of the processor, and the chip select CS1 pin and the chip select CS2 pin are used for realizing the hardware switching of the first analog-to-digital converter and the second analog-to-digital converter.

3. The home health monitoring system of claim 1, wherein, The lead wire comprises a plurality of electrode buckles, each electrode buckle is arranged at a preset human body part through a disposable electrode sheet to collect an analog physiological signal of the preset human body part.

4. The home health monitoring system of claim 3, wherein, The preset human body part comprises a right leg, a right arm, a left leg and a left arm of a human body, three electrode buckles are arranged at the right leg, the right arm and the left arm of the human body through the disposable electrode sheet respectively to collect an analog electrocardio signal of a single-lead single-channel waveform, and four electrode buckles are arranged at the right leg, the right arm, the left leg and the left arm of the human body through the disposable electrode sheet to collect an analog electrocardio signal of a four-lead six-channel waveform.

5. The home health monitoring system according to any one of claims 1-4, wherein, The monitoring terminal is further provided with a compatibility interface, the compatibility interface is used for charging, data transmission with an upper computer or data transmission with the lead wire.

6. The home health monitoring system of claim 1, wherein, The monitoring terminal comprises an upper shell and a lower shell, and the main control board is arranged between the upper shell and the lower shell.

7. The home health monitoring system of claim 6, wherein, The metal electrode sheet comprises a first metal electrode sheet, a second metal electrode sheet, a third metal electrode sheet and a fourth metal electrode sheet, the first metal electrode sheet and the fourth metal electrode sheet are larger than the second metal electrode sheet and the third metal electrode sheet respectively, the first metal electrode sheet, the second metal electrode sheet and the third metal electrode sheet are arranged on the left and right sides of the upper shell, and the fourth metal electrode sheet is arranged on the lower shell to collect an electrocardio signal of a single-lead single-channel waveform or an electrocardio signal of a four-lead six-channel waveform.

8. The home health monitoring system of any of claims 1-4, 6-7, wherein, The first analog-to-digital converter and the second analog-to-digital converter are integrated with signal test circuit, right leg drive amplification circuit, lead wire off detection circuit, reference voltage circuit and differential amplification circuit, the signal test circuit, the right leg drive amplification circuit and the lead wire off detection circuit are connected with the differential amplification circuit respectively, and the reference voltage circuit provides reference voltage for the differential amplification circuit.

9. The home health monitoring system of any of claims 1-4, 6-7, wherein, The monitoring terminal is further provided with a man-machine interaction module, and the man-machine interaction module is connected with the processor.

10. The home health monitoring system of claim 9, wherein, The main control board further comprises a communication module, and the communication module is used for realizing data interaction between the processor and a mobile terminal and / or a cloud platform.

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