Electrocardiograph circuit board

By designing the electrocardiograph's circuit board as a stacked structure and setting an insulating layer and protective module between the circuit boards, the problem of the large size of the electrocardiograph was solved, achieving miniaturization and improved safety, ensuring reliable signal transmission and flexible expansion of the device.

CN223758455UActive Publication Date: 2026-01-02安徽蓬阳健康科技股份有限公司
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Patent Information

Application Number
CN202520001634.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-02
Publication Date
2026-01-02
Estimated Expiration
2035-01-02

AI Technical Summary

Technical Problem

Existing electrocardiogram (ECG) machines are too bulky to meet the needs of home portability.

Method used

The design employs a stacked first and second circuit board with an insulating layer between them. Electrical connections are made through connectors that penetrate the insulating layer. A protection module is added to isolate high-voltage and low-voltage areas. Insulating materials such as Mylar sheets are used to ensure electrical isolation and creepage distance.

Benefits of technology

It effectively reduces the size of the electrocardiograph's circuit board, improves electrical clearance and creepage distance, reduces the risk of short circuits and electrical faults, enhances the safety and reliability of the equipment, and supports modular expansion and accurate signal transmission.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a circuit board of an electrocardiograph. The circuit board of the electrocardiograph comprises a first circuit board, a second circuit board and an insulating layer, the first circuit board, the insulating layer and the second circuit board are stacked up and down, the first circuit board is arranged at the top, the second circuit board is arranged at the bottom, and the insulating layer is arranged between the first circuit board and the second circuit board; the first circuit board and the second circuit board are electrically connected through a connector penetrating through the insulating layer. According to the utility model, the volume of the circuit board of the electrocardiograph is effectively reduced, and meanwhile, sufficient electrical isolation between the circuit boards is ensured, so that the safety and the reliability of the circuit board of the electrocardiograph are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electrocardiosignal collection device technical field especially relates to a kind of electrocardiograph circuit board. BACKGROUND

[0002] With the popularity of home medical equipment, electrocardiograph gradually applies to family, and helps user to carry out routine health monitoring. However, existing electrocardiograph device is large, and cannot meet the demand of portability of home electrocardiograph. UTILITY MODEL CONTENTS

[0003] The utility model provides a kind of electrocardiograph circuit board, to solve the problem of the large volume of electrocardiograph, under the premise of guaranteeing that there is enough electrical clearance and creepage distance between electrocardiograph circuit board, the volume of electrocardiograph is minimized as far as possible.

[0004] According to an aspect of the utility model, a kind of electrocardiograph circuit board is provided, and the electrocardiograph circuit board includes first circuit board, second circuit board and insulation layer;

[0005] The first circuit board, the insulation layer, the second circuit board are arranged in stack from top to bottom, the first circuit board is arranged at top, the second circuit board is arranged at bottom, and the insulation layer is arranged between the first circuit board and the second circuit board;

[0006] The first circuit board and the second circuit board are electrically connected by connector that penetrates the insulation layer.

[0007] Optionally, the first circuit board includes high-voltage area and first low-voltage area;

[0008] Protection module is arranged between the high-voltage area and the first low-voltage area, and the protection module is used for electrical isolation.

[0009] Optionally, the second circuit board includes second low-voltage area.

[0010] Optionally, the connector includes first connector and second connector;

[0011] The first connector includes first socket and first plug, the first socket is arranged in the first low-voltage area, the first plug is arranged on the second circuit board, and the first plug can be inserted into the first socket;

[0012] The second connector includes second plug and second socket, and the second socket is arranged in the high-voltage area.

[0013] Optionally, a reserved hole site is arranged on the insulation layer.

[0014] The reserved hole position is arranged corresponding to the first connector, and the first plug is inserted into the first socket through the reserved hole position.

[0015] Optionally, the second plug is connected with a lead wire, and the lead wire is connected to the second socket through the second plug.

[0016] Optionally, the wiring path of the first circuit board is connected from the high-voltage area to the first low-voltage area, and the first low-voltage area is connected to the first socket.

[0017] Optionally, the insulating layer is a Mylar sheet.

[0018] Optionally, the first circuit board, the second circuit board and the insulating layer are fixed by screws and / or buckles.

[0019] The first circuit board and the second circuit board are stacked, which effectively reduces the size of the electrocardiograph circuit board, and the layered design can improve the electrical clearance and creepage distance between the devices and the power on the two circuit boards, thereby reducing the risk of circuit short circuit and electrical failure. The insulating layer is arranged between the first circuit board and the second circuit board, which can ensure the insulation performance between the two circuit boards without increasing the physical distance between the two circuit boards, and reduce unnecessary space waste. That is, the size of the electrocardiograph circuit board is effectively reduced, and sufficient electrical isolation is ensured between the circuit boards, thereby improving the safety and reliability of the electrocardiograph circuit board.

[0020] It should be understood that the content described in this part is not intended to identify the key or important features of the embodiments of the utility model, nor is it used to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed in the embodiment description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0022] Figure 1 A structure diagram of an electrocardiograph circuit board provided by the embodiments of the utility model is shown in the figure.

[0023] Figure 2 A structure diagram of a first circuit board provided by the embodiments of the utility model is shown in the figure.

[0024] Figure 3A structure schematic view of a second circuit board provided by the utility model;

[0025] Figure 4 A distribution schematic view of a high-voltage area, a first low-voltage area and a second low-voltage area provided by the utility model;

[0026] Figure 5 A structure schematic view of another electrocardiograph circuit board provided by the utility model. DETAILED DESCRIPTION

[0027] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments, and obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the personnel in the art without creative labor should belong to the protection range of the utility model.

[0028] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be exchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0029] Figure 1 A structure schematic view of an electrocardiograph circuit board provided by the utility model embodiments, the embodiment can be applicable to reducing the volume of the electrocardiograph, and the electrocardiograph device can be realized in the form of hardware. Figure 1 As shown in the drawing, the electrocardiograph circuit board comprises a first circuit board 110, a second circuit board 120 and an insulating layer 130; the first circuit board 110, the insulating layer 130 and the second circuit board 120 are arranged in a stack from top to bottom, the first circuit board 110 is arranged at the top, the second circuit board 120 is arranged at the bottom, and the insulating layer 130 is arranged between the first circuit board 110 and the second circuit board 120; the first circuit board 110 and the second circuit board 120 are electrically connected through a connector 140 penetrating the insulating layer 130.

[0030] Specifically, the electrocardiograph refers to a medical device for recording the electrical activity of the heart. The electrocardiograph is attached to the patient's skin through electrodes to capture the electrical signals of the heart, which are transmitted to the internal processing module for signal processing and analysis to help users identify various heart problems.

[0031] The circuit board refers to a substrate for supporting and connecting electronic components, usually made of insulating material, with electronic components and conductive circuits arranged on it. In the embodiment of the utility model, the electrocardiograph circuit board includes a first circuit board 110 and a second circuit board 120, the first circuit board 110 refers to the circuit board arranged on the top, and the second circuit board 120 refers to the circuit board arranged on the bottom, that is, the first circuit board 110 is arranged on the upper side of the second circuit board 120.

[0032] The insulating layer 130 refers to the insulating material between the first circuit board 110 and the second circuit board 120, mainly used for electrical isolation, which can prevent the short circuit of electrical signals between the first circuit board 110 and the second circuit board 120, and ensure the normal operation of the circuit. In addition, the insulating layer 130 also provides certain structural support to ensure the stable stacking of multiple circuit boards and avoid physical damage.

[0033] The connector 140 refers to a connector or joint for connecting circuit boards and other components. In the embodiment of the utility model, the connector 140 penetrates the insulating layer 130, so that the first circuit board 110 and the second circuit board 120 can maintain reliable electrical connection.

[0034] In the embodiment of the utility model, the first circuit board 110 and the second circuit board 120 are stacked up and down, and the insulating layer 130 is arranged between the two circuit boards to ensure electrical isolation. The first circuit board 110 and the second circuit board 120 are connected by the connector 140 penetrating the insulating layer 130, so that the electrical signals on the two circuit boards can be effectively transmitted.

[0035] The embodiment of the utility model effectively reduces the volume of the electrocardiograph circuit board by stacking the first circuit board and the second circuit board up and down, and the up-down layered design can improve the electrical clearance and creepage distance between the devices and power on the two circuit boards, thereby reducing the risk of circuit short circuit and electrical failure. The addition of the insulating layer between the first circuit board and the second circuit board can ensure the insulation performance between the two circuit boards without increasing the physical distance between the two circuit boards, while reducing unnecessary space waste. That is, the utility model effectively reduces the volume of the electrocardiograph circuit board, while ensuring sufficient electrical isolation between the circuit boards, thereby improving the safety and reliability of the electrocardiograph circuit board.

[0036] Figure 2 A structural diagram of a first circuit board is provided for the embodiment of the utility model. As shown inFigure 2 As shown in the above embodiments, optionally, the first circuit board 110 includes a high-voltage area 111 and a first low-voltage area 112; a protection module 113 is arranged between the high-voltage area 111 and the first low-voltage area 112, and the protection module 113 is used for electrical isolation.

[0037] Specifically, the high-voltage area 111 refers to an area on the first circuit board 110 that is specially designed for processing high-voltage signals or high-voltage components. The high-voltage area 111 is usually used for processing power transmission or high-power elements such as power converters, motor drivers, etc., which require high voltage to meet their performance requirements.

[0038] The first low-voltage area 112 refers to an area on the first circuit board 110 for processing low-voltage signals or low-voltage components. The first low-voltage area 112 is mainly used for processing control signals and data transmission, supporting the work of microcontrollers, sensors and other low-power devices.

[0039] The design between the high-voltage area 111 and the first low-voltage area 112 needs to ensure safety, avoid the influence of high-voltage current in the high-voltage area 111 on the normal work of devices in the first low-voltage area 112, and prevent circuit board damage and the risk of electric shock. Therefore, the protection module 113 is arranged between the high-voltage area 111 and the first low-voltage area 112. The protection module 113 refers to a circuit protection device, which is usually used to provide electrical isolation, overvoltage protection or overcurrent protection. The protection module 113 can prevent the electrical interference or failure of the high-voltage area 111 from affecting the first low-voltage area 112, ensuring the safety and reliability of the first circuit board 110.

[0040] The embodiment of the utility model discloses through the explicit division of the high-voltage area and the first low-voltage area on the first circuit board, can effectively manage electrical signal, guarantee the safety and reliability of circuit board. The setting protection module further enhances the safety isolation between the high-voltage area and the first voltage area, ensures that the low-voltage part is not affected in the high-voltage operation process, is favorable to improve the work reliability and safety of electrocardiograph circuit board.

[0041] Figure 3 A structure diagram of a second circuit board is provided for the embodiment of the utility model. As shown in the above embodiments, optionally, the second circuit board 120 includes a second low-voltage area 121. Figure 3

[0042] Specifically, the second low-voltage area 121 refers to an area on the second circuit board 120 for processing low-voltage signals or low-voltage components. The second low-voltage area 121 is mainly used for processing control signals and data transmission, supporting the work of microcontrollers, sensors and other low-power devices.

[0043] Figure 4 ​A distribution schematic diagram of a high-voltage area, a first low-voltage area and a second low-voltage area is provided for the embodiment of the utility model. As shown in the figure, Figure 4 On the first circuit board 110, the area above the boundary line 114 is the high-voltage area 111, the area below the boundary line 114 is the first low-voltage area 112, and the high-voltage area 111 and the first low-voltage area 112 are electrically isolated by the protection module 113. The second low-voltage area 121 is distributed on the second circuit board 120.

[0044] Specifically, the high-voltage area 111 and the first low-voltage area 112 are electrically isolated by the protection module 113, which can effectively prevent the interference of high-voltage current on the low-voltage circuit and reduce the risk of failure. Reasonable distribution of the high-voltage area and the low-voltage area can effectively increase the electrical gap and the creepage distance between the high-voltage area and the low-voltage area. The larger electrical gap and creepage distance can reduce the risk of leakage and short circuit of the circuit board, enhance the safety of the electrocardiograph in a high-voltage environment, and ensure reliable operation under different environmental conditions.

[0045] The embodiment of the utility model can effectively collect, amplify and process electrocardiogram signals by setting the second low-voltage area 121 to process low-voltage signals, thereby improving the accuracy and clarity of the signals. The utility model not only improves the signal processing capability and safety of the electrocardiograph, but also optimizes the flexibility of the design and the overall performance of the equipment, which is conducive to ensuring the reliability and accuracy of the electrocardiograph in clinical application.

[0046] Figure 5 Another structure schematic diagram of the electrocardiograph circuit board is provided for the embodiment of the utility model. Based on the above embodiments, as shown in the figure, Figure 5 The connector 140 includes a first connector 141 and a second connector 142. The first connector 141 includes a first socket 143 and a first plug 144. The first socket 143 is arranged on the first low-voltage area 112, and the first plug 144 is arranged on the second circuit board 120. The first plug 144 can be inserted into the first socket 143. The second connector 142 includes a second plug 145 and a second socket 146. The second socket 146 is arranged on the high-voltage area 111.

[0047] Specifically, the first connector 141 refers to the interface on the electrocardiograph circuit board for connecting the first circuit board 110 and the second circuit board 120. The first connector 141 includes the first socket 143 and the first plug 144. The first plug 144 refers to a conductive component including a metal terminal. The first socket 143 refers to the part that can receive the insertion terminal of the first plug 144, which includes a metal contact. The first plug 144 can be inserted into the first socket 143, so that the first low-voltage area 112 and the second low-voltage area 121 on the second circuit board 120 can maintain reliable electrical connection.

[0048] The second connector 142 refers to an interface on the electrocardiograph circuit board for connecting the high-voltage area 111 with other circuit parts. The second connector 142 includes a second plug 145 and a second socket 146. The second plug 145 refers to a conductive component including metal terminals. The second socket 146 refers to a part capable of receiving the insertion terminals of the second plug 145, which includes metal contacts. The second plug 145 can be inserted into the second socket 146, enabling the high-voltage area 111 and external other circuits to maintain reliable electrical connection.

[0049] The electrical connection between the first circuit board and the second circuit board, as well as the electrical connection between the first circuit board and external circuits, is achieved through the cooperation of the plug and the socket, ensuring stable electrical contact between the electrocardiograph circuit boards, reducing the risk of signal loss or failure due to poor contact, and improving the stability of the system. In addition, the first circuit board and the second circuit board are electrically connected in the plug and socket mode, facilitating future modular expansion or upgrading, allowing replacement or addition of new functional modules without replacing the entire device.

[0050] Continuing to refer to Figure 5 On the basis of the above embodiments, optionally, the second plug 145 is connected with the lead wire 147, and the lead wire 147 is connected to the second socket 146 through the second plug 145.

[0051] Specifically, the lead wire 147 refers to a cable or wire used to transmit physiological signals such as electrocardiogram and electroencephalogram from a living body (such as the skin of a patient) to the electrocardiograph circuit board. The lead wire 147 is made of conductive material and is equipped with electrodes to ensure good contact with the skin.

[0052] In the embodiments of the present application, the lead wire 147 is connected to the second socket 146 through the second plug 145, enabling electrical signals to be transmitted into the high-voltage area 111 of the electrocardiograph circuit board for subsequent signal processing and other work. The lead wire 147 can be customized according to different application requirements and patient conditions, supporting the transmission of multiple physiological signals and being suitable for various monitoring scenarios such as electrocardiogram and electroencephalogram.

[0053] The embodiments of the present application transmit signals through the lead wire, effectively transmitting physiological signals, reducing signal loss and interference, and thus improving signal clarity and reliability, ensuring the accuracy of monitoring data. In addition, the lead wire is connected with the second plug, facilitating quick connection and disconnection, making it convenient for medical staff to operate during monitoring, improving work efficiency, and reducing patient discomfort. That is, the present application not only improves the accuracy and stability of physiological signal monitoring, but also enhances the convenience and economy of operation, promoting wider clinical application.

[0054] Continuing to refer toFigure 5 On the basis of the above embodiments, optionally, the insulating layer 130 is provided with a reserved hole site 131; the reserved hole site 131 is provided in correspondence with the first connector 141, and the first plug 144 is inserted into the first socket 143 through the reserved hole site 131.

[0055] Specifically, the reserved hole site 131 refers to a hole designed and opened in advance on the insulating layer 130, which is used for subsequent installation of the connector 140. The outline of the reserved hole site 131 is slightly larger than the outer outline of the first connector 141, so as to ensure that the first connector 141 can penetrate the insulating layer 130 and realize electrical connection between the first circuit board 110 and the second circuit board 120. These hole sites are designed to facilitate the installation and connection of components.

[0056] In the embodiment of the utility model, the reserved hole site 131 will be opened at the designated position during the manufacturing process of the circuit board, ensuring that the first connector 141 can be smoothly installed during subsequent assembly.

[0057] The embodiment of the utility model connects the first connector to the first circuit board and the second circuit board by setting the reserved hole site on the insulating layer, thereby reducing the complexity in the connection process and improving the assembly efficiency. By reasonably arranging the reserved hole site, the circuit board space can be effectively utilized, the overall design is more compact, and the good connection between components is ensured.

[0058] Continuing to refer to Figure 5 On the basis of the above embodiments, optionally, the wiring path of the first circuit board 110 is that the high-voltage area 111 is connected to the first low-voltage area 112, and the first low-voltage area 112 is connected to the first socket 143.

[0059] Specifically, the wiring path refers to the specific layout and direction of the electrical signal or power transmission line on the circuit board. In the embodiment of the utility model, the signal transmission direction on the first circuit board 110 is from the high-voltage area 111 to the first low-voltage area 112, which helps to prevent interference from high voltage to low-voltage circuits; the voltage of the first low-voltage area 112 is relatively low, and the integrated circuits and devices are more dense, and the signal transmission to the first socket 143 is transmitted to the second circuit board 120 through the first socket 143 for subsequent signal processing.

[0060] The embodiment of the utility model can increase the creepage distance and creepage gap by transmitting the signal from the high-voltage area to the first low-voltage area and then from the first low-voltage area to the second low-voltage area, effectively avoiding noise and interference caused by high voltage, ensuring that the signal of the low-voltage area remains complete, and improving the overall performance of the circuit.

[0061] Referring to Figure 1 On the basis of the above embodiments, optionally, the insulating layer 130 adopts a Mylar sheet.

[0062] Specifically, the mica sheet refers to a thin sheet material made of mica mineral, with a layered structure that can be easily peeled into thin sheets. Mica sheets have excellent electrical insulation properties, effectively preventing current leakage, and are widely used as insulation materials in electrical equipment.

[0063] Alternatively, the insulating layer 130 can also be made of polycarbonate (PC) or acrylonitrile butadiene styrene (ABS). Both PC and ABS have good electrical insulation properties, effectively preventing current leakage and ensuring the safety of the equipment. Moreover, both materials can be molded by injection molding or other processing methods, making it easy to achieve complex designs and shapes to meet the needs of different products.

[0064] The utility model embodiment makes the insulating layer by mica sheet, can guarantee the insulating property between first circuit board and second circuit board, effectively prevent current leakage, ensure the safety and reliability of circuit. Besides, mica sheet has good thermal conductivity, help improve the overall heat dissipation performance of electrocardiograph circuit board, prevent overheating phenomenon.

[0065] Continuing to refer to Figure 1 On the basis of the above embodiments, optionally, the first circuit board 110, the second circuit board 120 and the insulating layer 130 are fixed by screws. Alternatively, the first circuit board 110, the second circuit board 120 and the insulating layer 130 are fixed by buckles.

[0066] Specifically, the screw refers to a mechanical connector, usually made of metal or plastic, with threads, used to fasten two or more components together, and the head of the screw is designed to facilitate rotation with tools. The buckle refers to a simple mechanical fixing device, usually made of plastic or metal, which can lock the connection of two components through elasticity or mechanical means.

[0067] In the utility model embodiment, the circuit board is fixed by screws or buckles, which can improve the connection stability between the first circuit board 110, the second circuit board 120 and the insulating layer 130, and reduce the loosening caused by vibration or impact. The design of screws and buckles makes it easier to assemble and disassemble the components, facilitating maintenance and replacement, and improving the maintainability of the equipment.

[0068] The utility model embodiment fixes the first circuit board, the second circuit board and the insulating layer by screws and buckles, enhances the stability and safety of the multi-layer circuit board stacking structure, and is convenient for subsequent maintenance and replacement, with stronger adaptability.

[0069] It should be understood that the various forms of flow shown above can be used to reorder, add or delete steps. For example, the steps described in the present application can be executed in parallel, sequentially or in a different order, as long as the desired results of the technical solutions of the present application can be achieved, which is not limited herein.

[0070] The above specific embodiments do not constitute a limitation on the protection scope of the present application. Those skilled in the art should understand that various modifications, combinations, sub-combinations and substitutions can be made according to design requirements and other factors. Any modification, equivalent substitution and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An electrocardiograph circuit board, characterized by comprising: The electrocardiograph circuit board comprises a first circuit board, a second circuit board and an insulation layer; The first circuit board, the insulation layer and the second circuit board are arranged in a stack from top to bottom, the first circuit board is arranged at the top, the second circuit board is arranged at the bottom, and the insulation layer is arranged between the first circuit board and the second circuit board; The first circuit board and the second circuit board are electrically connected through a connector penetrating the insulation layer.

2. The electrocardiograph circuit board of claim 1, wherein, The first circuit board comprises a high-voltage area and a first low-voltage area; A protection module is arranged between the high-voltage area and the first low-voltage area, and the protection module is used for electrical isolation.

3. The electrocardiograph circuit board of claim 1, wherein, The second circuit board comprises a second low-voltage area.

4. The electrocardiograph circuit board of claim 2, wherein, The connector comprises a first connector and a second connector; The first connector comprises a first socket and a first plug, the first socket is arranged in the first low-voltage area, the first plug is arranged on the second circuit board, and the first plug can be inserted into the first socket; The second connector comprises a second plug and a second socket, and the second socket is arranged in the high-voltage area.

5. The electrocardiograph circuit board of claim 4, wherein, A reserved hole site is arranged on the insulation layer; The reserved hole site is arranged corresponding to the first connector, and the first plug is inserted into the first socket through the reserved hole site.

6. The electrocardiograph circuit board of claim 4, wherein, The second plug is connected with a lead wire, and the lead wire is connected to the second socket through the second plug.

7. The electrocardiograph circuit board of claim 4, wherein, The wiring path of the first circuit board is that the high-voltage area is connected to the first low-voltage area, and the first low-voltage area is connected to the first socket.

8. The electrocardiograph circuit board of claim 1, wherein, The insulation layer is a Mylar sheet.

9. The electrocardiograph circuit board of claim 1, wherein, The first circuit board, the second circuit board and the insulation layer are fixed by screws and / or buckles.