CN219048531U

CN219048531U - Dynamic electrocardiograph monitor

Info

Publication number: CN219048531U
Application number: CN202222757803.4U
Authority: CN
Inventors: 温安安; 蔡吉龙; 邹宗许
Original assignee: Shenzhen Kaifa Technology Co Ltd
Current assignee: Shenzhen Kaifa Technology Co Ltd
Priority date: 2022-10-19
Filing date: 2022-10-19
Publication date: 2023-05-23
Anticipated expiration: 2032-10-19

Abstract

The utility model relates to the technical field of electrocardiograph equipment, and particularly discloses a dynamic electrocardiograph monitor which comprises a monitor body provided with a control circuit, a communication circuit and a detection circuit, an analog switch circuit electrically connected with the control circuit, and an RFID passive tag electrically connected with the analog switch circuit and capable of being activated and identified by an NFC chip on a mobile terminal. When the dynamic electrocardiograph monitor is in a standby state, the RFID passive tag does not consume electric quantity, so that the electric quantity consumption is reduced, and the electricity saving is realized; when the monitor is needed to be used, the RFID passive tag can be activated only by enabling the mobile terminal provided with the NFC chip to be close to the monitor, and the analog switch circuit is triggered, so that the control circuit is electrified and works, the RFID passive tag is small in size, the size of the monitor body cannot be increased, and the monitor is kept small in size; because the induction recognition triggering mode is adopted, the influence of mistakenly touching the button on the normal use of the equipment is avoided.

Description

Dynamic electrocardiograph monitor

Technical Field

The utility model relates to the technical field of electrocardiograph equipment, in particular to a dynamic electrocardiograph monitor which is power-saving, small in size and not easy to trigger by mistake.

Background

The dynamic electrocardiograph is an electronic device for monitoring the heart function of a human body and forming an Electrocardiogram (ECG) to provide medical diagnosis and monitoring basis, and can be used for checking symptoms such as arrhythmia, ventricular atrial hypertrophy, myocardial infarction, myocardial ischemia and the like. At present, in order to realize real-time monitoring of physical state, the dynamic electrocardiograph monitor gradually develops to portable and miniaturized, the dynamic electrocardiograph monitor mainly comprising wearable ECG equipment is worn on the body surface of a user, and can perform data interaction and information inquiry with the dynamic electrocardiograph monitor through intelligent terminals such as mobile phones and the like, so that the user can monitor the physical state at any time and any place conveniently.

In view of the requirement of the user on the monitoring duration of the device, the service time of the device after single charging needs to be prolonged as much as possible, namely, the device is subjected to power saving design. Because the dynamic electrocardiograph detection device is continuously detected only in the Holter mode, and the rest of the time is mostly in the sleep state, how to reduce the current in the sleep state is a key problem to be solved by the power-saving design of the dynamic electrocardiograph detection device. At present, the dynamic electrocardiograph detection equipment on the market mainly realizes power saving through two modes of lead falling and key switching, the former still needs a chip to be in a detection state, only the current is small, and the load is still caused on a battery along with long-time power consumption; the latter can reach the purpose of saving electricity, but the setting of button will increase the product size, does not accord with the user to equipment convenience, miniaturized demand, and the button is triggered by mistake easily, influences the normal use of equipment.

Disclosure of Invention

In view of the above, it is desirable to provide a dynamic electrocardiograph monitor that is power-efficient, small in size, and not prone to false triggering.

The utility model provides a dynamic electrocardio monitor, includes the monitor body, the monitor body includes control circuit, communication circuit and detection circuit, still include with the analog switch circuit that control circuit electricity is connected, and with the analog switch circuit electricity is connected and can be activated and the RFID passive tag of discernment by the NFC chip on the mobile terminal.

In one embodiment, the monitor body further comprises a housing and a PCB board accommodated in the housing, and the control circuit, the communication circuit and the detection circuit are disposed on the PCB board.

In one embodiment, the antenna of the RFID passive tag is disposed on the PCB.

In one embodiment, the antenna of the RFID passive tag is embedded in the inner or outer surface of the housing.

In one embodiment, the antenna of the RFID passive tag is a PCB antenna or a paper silver paste antenna.

In one embodiment, the control circuit includes an MCU chip disposed on a PCB board.

In one embodiment, the communication circuit comprises a BLE chip electrically connected to the MCU chip and adapted for bluetooth connection with an external mobile terminal.

According to the dynamic electrocardiograph monitor, the analog switch circuit and the RFID passive tag are arranged on the monitor body, so that the RFID passive tag does not consume electric quantity when the monitor is in a standby state, the electric quantity consumption of the monitor is reduced, and the power saving of the monitor is realized; when the monitor is needed to be used, the RFID passive tag can be activated only by making the mobile terminal provided with the NFC chip close to the monitor, and the analog switch circuit is triggered, so that the control circuit is electrified and works, and the size of the monitor body is not increased due to the small size of the RFID passive tag, so that the monitor is kept small in size; in addition, the mobile terminal with the NFC chip activates and identifies the RFID passive tag, so that binding of the monitor and the mobile terminal can be realized, theft of data of the monitor is avoided, and safety protection of information is realized.

Drawings

FIG. 1 is a schematic block diagram of a dynamic electrocardiograph monitor according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a dynamic electrocardiograph monitor according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a dynamic electrocardiograph monitor interacting with an external mobile terminal according to an embodiment of the present utility model;

FIG. 4 is a schematic diagram of the antenna of an RFID passive tag in one embodiment of the utility model;

fig. 5 is a schematic structural diagram of an antenna of an RFID passive tag according to another embodiment of the present utility model.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

The utility model discloses a dynamic electrocardiograph monitor, which is characterized in that a switch of a wearable electrocardiograph monitor is replaced by an analog switch circuit on the basis of a traditional wearable electrocardiograph monitor, an RFID passive tag is arranged on the wearable electrocardiograph monitor, and the RFID passive tag is activated by an NFC chip of an external mobile terminal to trigger the analog switch circuit, so that equipment enters a working state, the problem of continuous power consumption of the equipment in a standby process is avoided, the electric quantity is saved, and the purpose of prolonging the service time of the equipment after single charging is achieved.

Specifically, referring to fig. 1 and 2, the dynamic electrocardiograph monitor 10 of the present embodiment includes a monitor body 100, the monitor body 100 is fixed on a body surface to be measured of a human body by a belt or a suction cup, the monitor body 100 includes a control circuit 110, a communication circuit 120 and a detection circuit 130, the dynamic electrocardiograph monitor 10 further includes an analog switch circuit 200 electrically connected to the control circuit 110, and an RFID passive tag 300 electrically connected to the analog switch circuit 200 and capable of being activated and identified by an NFC chip on a mobile terminal. In this embodiment, the RFID passive tag 300 includes an RFID IC, a resonant capacitor, and an antenna, where the antenna and the capacitor form a resonant loop tuned to the carrier frequency of the reader. The RFID IC is provided with a memory for storing tag data, a modulation gate control tube (CMOS) with extremely low conductive resistance and working at a certain frequency is further arranged in the RFID IC, when the RFID passive tag 300 is close to an RFID card reader (namely an NFC chip in a mobile terminal), the antenna of the RFID passive tag 300 converts received electromagnetic wave energy into electric energy and starts the analog switch circuit 200, in this case, the analog switch circuit 200 outputs a digital signal, the digital signal interrupts the control circuit 110 of the wake-up dynamic electrocardiograph monitor, and the control circuit 110 controls the detection circuit 130 to work so as to realize acquisition of human body signals. In addition, when the antenna receives the electromagnetic wave signal sent by the NFC chip, the RFID IC in the RFID passive tag 300 is activated, and data in the RFID IC is sent to the mobile terminal with the NFC chip, so that the mobile terminal identifies information of the RFID IC, that is, identifies the identity of the dynamic electrocardiograph monitor, in other words, the binding between the mobile terminal and the dynamic electrocardiograph monitor 10 is achieved. Specifically, a login authentication identification port can be set on the mobile terminal, and after the dynamic electrocardiograph monitor 10 is close to the NFC chip of the mobile terminal and is activated by the NFC chip, a secure login confirmation (i.e. authentication account information and a password) is required to be performed, so as to achieve the purpose of protecting data security, and meanwhile, the problem of incorrect opening of the device caused by incorrect approach of the mobile terminal to the dynamic electrocardiograph monitor 10 is avoided, so that the reliability of the device in use is improved.

Referring to fig. 1-3, in this embodiment, the monitor body 100 further includes a housing 101 and a PCB board 102 accommodated in the housing 101, and the control circuit 110, the communication circuit 120 and the detection circuit 130 are disposed on the PCB board 102. The housing 101 may be a square box structure, a circular box structure, or other polygonal box structure, the control circuit 110 includes an MCU chip disposed on the PCB board 102, the communication circuit 120 includes a BLE chip electrically connected to the MCU chip and used for connection with an external mobile terminal bluetooth, the detection circuit 130 includes at least two pin electrodes for collecting physiological signals of a human body, and the analog switch circuit 200 is composed of a transistor diode, a transistor, and a field effect transistor. The main surface of the housing 101 is also provided with a display screen 103 electrically connected with the MCU chip for displaying the working parameters of the dynamic electrocardiograph monitor 10 and the acquired human body signal data.

When the dynamic electrocardiograph monitor 10 of the present embodiment is in use, after the device approaches a mobile terminal with an NFC chip (the mobile terminal of the present embodiment is a mobile phone, or may be a tablet computer in other embodiments), the RFID passive tag 300 is excited by the NFC chip and converts an electromagnetic wave signal into electric energy, so as to trigger the analog switch circuit 200 to generate a digital signal, and wake up the MCU chip. Meanwhile, the antenna of the RFID passive tag 300 transmits the identity information in the RFID IC to the NFC chip and the mobile terminal performs authentication and identification on the identity information, and after the identity authentication is passed, the mobile terminal performs bluetooth signal transmission with the BLE chip of the dynamic electrocardiograph monitor 10 and controls the MCU chip to work through the BLE chip. By adopting the structure, the dynamic electrocardiograph monitor 10 can only enable the MCU chip to be in a sleep state with very low power consumption when sleeping, and other chips can be disconnected with the power supply, so that the purpose of saving electricity is achieved.

The antenna of the RFID passive tag 300 includes a plurality of arrangements, one is that the antenna of the RFID passive tag 300 is disposed on the PCB 102; secondly, the antenna of the RFID passive tag 300 is embedded in the inner surface of the housing 101; third, the antenna of the RFID passive tag 300 is embedded in the outer surface of the housing 101. According to the utility model, the antenna of the RFID passive tag 300 is arranged on the PCB 102 or embedded on the shell 101, so that the RFID passive tag 300 hardly occupies the space of a product, the power saving of equipment is realized, the influence of a power saving element on the size of the monitor body 100 is weakened, and the requirement of a user on the small size of the dynamic electrocardiograph monitor 10 is met.

The antenna of the RFID passive tag 300 of the present embodiment includes various forms, and the antenna of the RFID passive tag 300 is a PCB antenna or a paper silver paste antenna. When the antenna of the RFID passive tag 300 is a PCB antenna, the antenna is disposed on the PCB 102 and forms a part of the PCB 102 (as shown in fig. 4); when the antenna of the RFID passive tag 300 is a paper silver paste antenna, the antenna is disposed inside the product, i.e., embedded in the inner surface of the housing 101 (as shown in fig. 5).

By arranging the analog switch circuit 200 and the RFID passive tag 300 on the monitor body 100, the RFID passive tag 300 does not consume electric quantity when the monitor is in a standby state, so that the electric quantity consumption of the monitor is reduced, and the power saving of the monitor is realized; when the monitor needs to be used, the RFID passive tag 300 can be activated only by making the mobile terminal provided with the NFC chip close to the monitor, and the analog switch circuit 200 is triggered, so that the control circuit 110 is electrified and works, and the size of the monitor body 100 is not increased due to the small size of the RFID passive tag 300, so that the monitor is kept small; in addition, the binding of the monitor and the mobile terminal can be realized by activating and identifying the RFID passive tag 300 through the mobile terminal with the NFC chip, so that the data of the monitor is prevented from being stolen, and the safety protection of information is realized.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The utility model provides a dynamic electrocardio monitor, includes the monitor body, the monitor body includes control circuit, communication circuit and detection circuitry, its characterized in that still includes with the analog switch circuit that control circuit electricity is connected, and with the analog switch circuit electricity is connected and can be activated and the RFID passive tag of discernment by the NFC chip on the mobile terminal.

2. The dynamic electrocardiograph monitor of claim 1 wherein the monitor body further comprises a housing and a PCB board housed within the housing, the control circuit, communication circuit and detection circuit being disposed on the PCB board.

3. The dynamic electrocardiograph according to claim 2 wherein the antenna of the RFID passive tag is disposed on the PCB board.

4. The dynamic electrocardiograph according to claim 2 wherein the antenna of the RFID passive tag is embedded in the inner or outer surface of the housing.

5. The dynamic electrocardiograph according to claim 3 or 4 wherein the antenna of the RFID passive tag is a PCB antenna or a paper silver paste antenna.

6. The dynamic electrocardiograph monitor of claim 5 wherein the control circuit comprises an MCU chip disposed on a PCB board.

7. The dynamic electrocardiograph monitor of claim 6 wherein the communication circuit comprises a BLE chip electrically connected to the MCU chip and adapted for bluetooth connection with an external mobile terminal.