CN216021073U - ECG monitor - Google Patents
ECG monitor Download PDFInfo
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- CN216021073U CN216021073U CN202122209875.0U CN202122209875U CN216021073U CN 216021073 U CN216021073 U CN 216021073U CN 202122209875 U CN202122209875 U CN 202122209875U CN 216021073 U CN216021073 U CN 216021073U
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Abstract
The utility model provides an electrocardiograph monitor, which comprises: the system comprises a wifi communication module and a processing unit, wherein the wifi communication module comprises a wifi communication unit and the processing unit, and the processing unit is used for controlling the ECG monitor and carrying out data interaction with other modules in the ECG monitor through the wifi communication unit; the electrocardio acquisition module comprises a bioelectricity acquisition chip and a peripheral circuit, wherein the peripheral circuit is provided with an input end, the input end comprises at least 3 electrodes, the electrodes acquire electrocardiosignals and transmit the electrocardiosignals to the bioelectricity acquisition chip, the bioelectricity acquisition chip processes the electrocardiosignals, and the electrocardio acquisition module is in communication connection with the wifi communication module; the power supply module comprises a power supply charging and discharging circuit for preventing the power supply from being overcharged and overdischarged, and a voltage stabilization output circuit which comprises a first voltage stabilization output circuit for supplying power to the electrocardio acquisition module, and a second voltage stabilization output circuit for supplying power to other modules except the electrocardio acquisition module.
Description
Technical Field
The utility model relates to the technical field of electrocardio-body temperature monitoring, in particular to an electrocardio monitor.
Background
The electrocardiogram reflects the physiological and pathological information of heart activity and is the most basic basis for diagnosing heart diseases. The electrocardiogram is usually obtained by a 12-lead electrocardiogram monitor in a hospital, and has the limitation that the monitoring time and space are limited, and the electrocardiogram activity information cannot be continuously obtained. Heart diseases such as arrhythmia, atrial fibrillation, etc. are often random and can easily delay treatment if there is no long-term electrocardiographic monitoring. In addition, a mobile backpack type electrocardiogram monitoring system, namely Holter, is available in the market, and although 24-hour electrocardiogram monitoring can be realized, the problem of portability is not solved, and the 12-lead system is complex in wiring, extremely high in cost and difficult to popularize.
Along with the change of living style and work rhythm over the earth, the incidence proportion of cardiovascular diseases and complications caused by the cardiovascular diseases is increased year by year due to unhealthy working and rest and eating habits, and the influence of cardiovascular disease risk factors on the health of residents is more obvious. Meanwhile, along with the attention of people on the health condition of the people, a variety of healthy bracelets appear in the market, but most bracelets do not support electrocardiogram acquisition or only support single electrocardiogram acquisition for tens of seconds, and the practicability is lacked.
For this group of children, the group lacks the ability to self-address the emergency condition. And parents cannot accompany the children in real time, so that the parents worry about the physical conditions of the children all the time.
Based on the above problems, there is a need to design a reliable, portable, low-cost, remote and real-time monitoring electrocardiographic monitor with electrocardiographic monitoring as the main function.
Disclosure of Invention
In order to solve the above technical problem, the present invention provides an electrocardiograph monitor, including:
the system comprises a wifi communication module and a processing unit, wherein the wifi communication module comprises a wifi communication unit and the processing unit, and the processing unit is used for controlling the ECG monitor and carrying out data interaction with other modules in the ECG monitor through the wifi communication unit;
the ECG monitor further comprises: the electrocardio acquisition module comprises a bioelectricity acquisition chip and a peripheral circuit connected with the bioelectricity acquisition chip, the peripheral circuit is provided with an input end, the input end comprises at least 3 electrodes, the electrodes are in contact with a monitored object, the electrocardio signals are acquired and transmitted to the bioelectricity acquisition chip, and the bioelectricity acquisition chip processes the electrocardio signals to generate electrocardio analog signals; the electrocardio acquisition module is in communication connection with the wifi communication module, performs analog-to-digital conversion on the electrocardio analog signals to obtain electrocardio digital signals, and sends the electrocardio digital signals to the wifi communication module;
the power supply module comprises a power supply charging and discharging circuit and is used for preventing the power supply from being overcharged and overdischarged; the voltage-stabilizing output circuit comprises a first voltage-stabilizing output circuit and supplies power to the electrocardio acquisition module; the second voltage stabilizing output circuit supplies power to other modules except the electrocardio acquisition module in the electrocardio monitor; the voltage provided by the first voltage stabilizing output circuit when working is lower than the voltage noise and the voltage difference provided by the second voltage stabilizing output circuit when working.
Further, the electrocardiograph monitor further comprises: the body temperature monitoring module adopts a non-contact infrared thermopile sensor to acquire temperature information of a monitored object and is in communication connection with the wifi communication module;
the display module is in communication connection with the wifi communication module and is used for displaying the running state of the current ECG monitor, the real-time electrocardiogram and the temperature information of the monitored object, and when the monitored object is abnormal, an alarm is sent out through the display module.
Further, a first threshold range is set in the processing unit, and when the electrocardio digital signal exceeds the first threshold range, the condition of the monitored object is judged to be abnormal; and a second threshold range, when the temperature information of the monitored object exceeds the second threshold range, determining that the condition of the monitored object is abnormal.
Furthermore, a module is arranged and is in communication connection with the wifi communication module, parameter setting of the ECG monitor is achieved, the parameters are set and sent through the setting module, the parameters are received by the wifi communication unit and are transmitted to the processing unit, the parameters are processed by the processing unit, and parameter setting of the ECG monitor is achieved.
Further, the wifi communication unit establishes communication with an upper computer server through a TCP Socket communication mode, uploads electrocardio and body temperature data in real time, and receives an instruction issued by the server.
Furthermore, the wifi communication module has IIC communication interface, SPI communication interface, serial communication interface and AD conversion passageway simultaneously.
Further, the body temperature monitoring module is in communication connection with the wifi communication module through an IIC communication interface; the display module utilizes SPI communication interface and wifi communication module communication connection.
Further, the bioelectricity collection chip comprises an instrumentation amplifier, and the common-mode rejection ratio of the instrumentation amplifier is at least 80 db; and a right leg drive circuit for suppressing common mode interference.
Further, the typical voltage of the power supply of the ECG monitor is 3.7V; the power supply charging and discharging circuit is used for preventing the power supply from being overcharged and overdischarged, and stops charging when the power supply voltage is higher than 4.2V and stops discharging when the power supply voltage is lower than 3.0V.
Furthermore, the power supply module also comprises a booster circuit, so that the output voltage of the power supply is not lower than 5V.
The electrocardiogram monitor provided by the utility model has the characteristics of portability, simple and reliable operation and the like, is suitable for large medical care places such as hospitals or nursing homes and the like, and can realize remote electrocardiogram monitoring on patients with heart diseases by matching with upper computer software; in addition, the utility model is provided with two output voltage stabilizing circuits, wherein the voltage provided by the first voltage stabilizing output circuit when working is lower in noise and voltage difference than the voltage provided by the second voltage stabilizing output circuit when working, the design can provide a power supply with higher quality for the electrocardio acquisition module, reduce the noise interference of the electrocardio acquisition module, improve the monitoring accuracy of the electrocardio acquisition module, and simultaneously reduce the product cost to a certain extent without influencing the product performance.
Drawings
Fig. 1 is a block diagram of a wearable electrocardiograph monitor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a wifi communication module in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of a central electrical collection module in accordance with one embodiment of the present invention;
FIG. 4 is a schematic diagram of a setup module in accordance with an embodiment of the present invention;
FIG. 5 is a schematic diagram of a display module according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a body temperature monitoring module according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of a power module according to an embodiment of the utility model.
Detailed Description
The embodiments of the present invention are described below with reference to specific embodiments, and other advantages and effects of the present invention will be easily understood by those skilled in the art from the disclosure of the present specification. The utility model is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present invention.
It should be noted that the drawings provided in the present embodiment are only schematic and illustrate the basic idea of the present invention, and although the drawings only show the components related to the present invention and are not drawn according to the number, shape and size of the components in actual implementation, the form, quantity and proportion of the components in actual implementation may be changed arbitrarily, and the layout of the components may be more complicated.
As shown in fig. 1, the present invention provides an electrocardiograph monitor, comprising:
The power module 4 includes: and the power supply supplies power to the ECG monitor. And the power supply charging and discharging circuit is used for preventing the power supply from being overcharged and overdischarged. And the voltage-stabilizing output circuit comprises a first voltage-stabilizing output circuit and supplies power to the electrocardio acquisition module 2. And the second voltage stabilizing output circuit supplies power to other modules except the electrocardio acquisition module 2 in the electrocardio monitor. The voltage provided by the first voltage stabilizing output circuit when working is lower than the voltage noise and the voltage difference provided by the second voltage stabilizing output circuit when working.
In order to facilitate the checking of the state of the monitored object, the electrocardiograph monitor further comprises a display module 5, wherein the display module 5 is in communication connection with the wifi communication module 1 and is used for displaying the current running state of the electrocardiograph monitor, real-time electrocardiogram and temperature information of the monitored object, and when the monitored object is abnormal in state, an alarm is sent out through the display module 5.
As an alternative implementation manner, the display module 5 may be a mobile device, such as a mobile phone, which is loaded with an application program. For the group of children, because the group of children lacks the ability to cope with the emergency, the group of children must be helped by other people to cope with the emergency, and parents are required to find the physical condition of the children in time. However, it is difficult for parents to accompany a child at any time, and thus a portable remote monitoring apparatus is required. The problem can be well solved by observing the physical condition of the child by using the mobile phone. However, the remote monitoring device is based on the ability of the ECG monitor to communicate remotely.
As an optional implementation mode, the processing unit and the wifi communication unit are integrated into a wifi communication module 1, the wifi communication unit establishes communication with an upper computer server through a TCP Socket communication mode, uploads electrocardio and body temperature data in real time, and receives an instruction issued by the server. The realization method can enable the effective ECG monitor to carry out remote communication, and parents can monitor the physical condition of children in real time on the basis.
A first threshold range and a second threshold range are set in the processing unit, and when the electrocardio digital signal exceeds the first threshold range, the condition of the monitored object is judged to be abnormal. And when the temperature information of the monitored object exceeds the second threshold range, judging that the condition of the monitored object is abnormal.
The electrocardiograph monitor provided by the utility model further comprises:
the setting module 6 is in communication connection with the wifi communication module 1, parameter setting of the ECG monitor is achieved, the parameters are set and sent through the setting module 6, the parameters are received by the wifi communication unit and transmitted to the processing unit, the parameters are processed by the processing unit, and parameter setting of the ECG monitor is achieved.
In the utility model, a plurality of modules are in communication connection with the wifi communication module 1, and in order to improve the data transmission efficiency, a plurality of communication interfaces can be arranged in the wifi communication module 1, for example, the wifi communication module 1 can simultaneously have an IIC communication interface, an SPI communication interface, a serial communication interface and an A/D conversion channel.
As an alternative implementation manner, in order to realize the above setting of the communication interface, the ESP32-WROOM-32D module can be used as the wifi communication module 1, as shown in FIG. 2.
The internal core of the WiFi communication module 1 is an ESP32-D0WD chip, the chip is a highly integrated WiFi + Bluetooth dual-mode low-power-consumption chip manufactured by a 40nm process, a WiFi antenna switch, a radio frequency module, a baseband and a high-performance MCU are integrated inside, the MCU core is an Xtensa 32-bit LX6 dual-core processor, the main frequency is 240MHz at the highest, 448KB ROM and 520KB SRAM are arranged inside, meanwhile, the communication interfaces such as IIC, SPI, serial ports and the like are arranged, and 18-channel high-speed 12-bit A/D (2Msps) is provided.
In this embodiment, the wifi communication module 1 may establish communication with a PC upper computer in the same lan through a TCP Socket, so as to realize real-time transmission, processing, analysis, and storage of electrocardiographic data. The highly integrated ESP32-WROOM-32D module architecture can shorten development time, reduce cost and reduce equipment volume, and meanwhile, the high-performance processor allows more complex program algorithms to run.
In this embodiment, the bioelectricity collecting chip may be an AD8232 bioelectricity collecting chip, and the chip integrates an instrumentation amplifier with a high common mode rejection ratio (80db) and a right leg driving circuit for suppressing common mode interference, and can realize a multi-pole high-pass and low-pass filter with only a small number of external devices.
For the group of children, the good movement characteristics of the children can cause the electrodes contacting with the human body to be easy to fall off, and the more the number of the electrodes is, the higher the probability of falling off of the electrodes is, which may cause misjudgment of the electrocardiogram monitor and bring bad influence. On the other hand, too many electrodes may affect the activity of the child, resulting in a poor use experience. In order to facilitate the use of children, the electrocardiograph monitor provided by the utility model reduces the number of the electrodes as much as possible, and as an optional implementation mode, the number of the electrodes is 3, and the electrodes are connected with the input end of a peripheral circuit connected with a bioelectricity acquisition chip. The output is the electrocardio analog signal after filtering and amplifying, and the wifi communication module 1 can acquire the electrocardio data through AD acquisition. The specific circuit diagram is shown in fig. 3.
Fig. 4 shows the setting module 6 in this embodiment, which is composed of four keys, i.e. forward, backward, confirm and exit, where "forward" is the forward movement of the cursor and the increase of the corresponding parameter value on the screen, "backward" is the backward movement of the cursor and the decrease of the corresponding parameter value on the screen, "confirm" is the entry of the current cursor, and "exit" is the exit of the current entry and the setting is saved. The system parameters and the peripheral switches can be set by four keys.
Fig. 5 is display module assembly 5 in the embodiment, and display module assembly 5 can choose for use the LCD screen, and this screen uses the SPI mode to communicate with wifi communication module assembly 1, shows information such as electrocardio waveform, equipment state, physiological parameter in real time.
Fig. 6 shows the body temperature monitoring module 3 in the embodiment, which may be an MLX90614 infrared body temperature sensor, and is connected to the wifi communication module 1 through an IIC communication interface.
Fig. 7 shows a power module 4 according to the present embodiment, which includes a power supply, a power supply charging/discharging circuit, and a voltage stabilizing output circuit.
A typical voltage of the power supply is 3.7V. The power supply charging and discharging circuit is used for preventing the power supply from being overcharged and overdischarged, and stops charging when the power supply voltage is higher than 4.2V and stops discharging when the power supply voltage is lower than 3.0V. The power module 4 further comprises a boost circuit to make the power output voltage not lower than 5V.
As an optional implementation mode, the power supply can select a lithium battery, the charging and discharging circuit uses a TP5400 lithium battery management chip, the typical voltage of the lithium battery used by the system is 3.7V, the charging and discharging circuit can prevent overcharge and overdischarge of the lithium battery, the charging is stopped when the voltage of the lithium battery is higher than 4.2V, the discharging is stopped when the voltage of the lithium battery is lower than 3.0V, and meanwhile, the chip is provided with a booster circuit and can output 5V in a voltage stabilizing manner. In the present embodiment, the voltage-stabilizing output circuit for supplying power to the system has two paths, one path is a common linear voltage-stabilizing power supply, and is referred to as a second voltage-stabilizing output circuit in the present invention, and the second voltage-stabilizing output circuit uses the AMS1117-3.3 voltage-stabilizing chip to supply power to all modules with low power requirements except the electrocardiograph module. The other path is called as a first voltage stabilization output circuit, and an ADP150-3.0 ultra-low noise low-voltage difference voltage stabilization chip is used for supplying power with higher quality to the electrocardio module.
The design of the power supply circuit can effectively reduce the cost and cannot cause the reduction of the monitoring precision of the ECG monitor.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the utility model. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (10)
1. An electrocardiograph monitor, comprising:
the system comprises a wifi communication module and a processing unit, wherein the wifi communication module comprises a wifi communication unit and the processing unit, and the processing unit is used for controlling the ECG monitor and carrying out data interaction with other modules in the ECG monitor through the wifi communication unit;
the ECG monitor further comprises: the electrocardio acquisition module comprises a bioelectricity acquisition chip and a peripheral circuit connected with the bioelectricity acquisition chip, the peripheral circuit is provided with an input end, the input end comprises at least 3 electrodes, the electrodes are in contact with a monitored object, and are used for acquiring electrocardiosignals and transmitting the electrocardiosignals to the bioelectricity acquisition chip, and the bioelectricity acquisition chip is used for processing the electrocardiosignals to generate electrocardio analog signals; the electrocardio acquisition module is in communication connection with the wifi communication module, performs analog-to-digital conversion on the electrocardio analog signal to obtain an electrocardio digital signal, and sends the electrocardio digital signal to the wifi communication module;
the power supply module comprises a power supply charging and discharging circuit and is used for preventing the power supply from being overcharged and overdischarged; the voltage stabilization output circuit comprises a first voltage stabilization output circuit and supplies power to the electrocardio acquisition module; the second voltage stabilization output circuit supplies power to other modules except the electrocardio acquisition module in the electrocardio monitor; the voltage provided by the first voltage stabilizing output circuit when working is lower than the voltage noise and the voltage difference provided by the second voltage stabilizing output circuit when working.
2. The electrocardiograph monitor of claim 1 further comprising:
the body temperature monitoring module adopts a non-contact infrared thermopile sensor to acquire temperature information of a monitored object and is in communication connection with the wifi communication module;
the display module assembly, with wifi communication module communication connection for show is present ECG monitor's running state, real-time heart electrograph and the temperature information about the monitoring object, when monitoring the monitoring object situation is unusual, passes through the display module assembly sends out the police dispatch newspaper.
3. The electrocardiograph monitor according to claim 2, wherein:
setting a first threshold range in the processing unit, and judging that the condition of the monitored object is abnormal when the electrocardio digital signal exceeds the first threshold range; and a second threshold range, when the temperature information of the monitored object exceeds the second threshold range, determining that the condition of the monitored object is abnormal.
4. The electrocardiograph monitor of claim 2, wherein the electrocardiograph monitor comprises:
the setting module is in communication connection with the wifi communication module, and is used for setting parameters of the ECG monitor, the parameters are set and sent through the setting module, the parameters are received and transmitted to the processing unit through the wifi communication unit, and the parameters are processed by the processing unit and are set by the parameters of the ECG monitor.
5. The electrocardiograph monitor according to claim 1, wherein:
the wifi communication unit establishes communication with an upper computer server through a TCP Socket communication mode, uploads electrocardio and body temperature data in real time, and receives an instruction issued by the server.
6. The electrocardiograph monitor according to claim 2, wherein:
the wifi communication module is provided with an IIC communication interface, an SPI communication interface, a serial communication interface and an A/D conversion channel.
7. The electrocardiograph monitor according to claim 6, wherein:
the body temperature monitoring module is in communication connection with the wifi communication module through an IIC communication interface; the display module utilizes SPI communication interface with wifi communication module communication connection.
8. The electrocardiograph monitor according to claim 1, wherein:
the bioelectricity acquisition chip comprises an instrument amplifier, and the common-mode rejection ratio of the instrument amplifier is at least 80 db; and a right leg drive circuit for suppressing common mode interference.
9. The electrocardiograph monitor according to claim 1, wherein:
the typical voltage of the power supply of the ECG monitor is 3.7V; the power supply charging and discharging circuit is used for preventing the power supply from being overcharged and overdischarged, the charging is stopped when the power supply voltage is higher than 4.2V, and the discharging is stopped when the power supply voltage is lower than 3.0V.
10. The electrocardiograph monitor according to claim 9, wherein:
the power supply module also comprises a booster circuit, so that the output voltage of the power supply is not lower than 5V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209875.0U CN216021073U (en) | 2021-09-13 | 2021-09-13 | ECG monitor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209875.0U CN216021073U (en) | 2021-09-13 | 2021-09-13 | ECG monitor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216021073U true CN216021073U (en) | 2022-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122209875.0U Active CN216021073U (en) | 2021-09-13 | 2021-09-13 | ECG monitor |
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|---|---|
| CN (1) | CN216021073U (en) |
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2021
- 2021-09-13 CN CN202122209875.0U patent/CN216021073U/en active Active
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