Electromyographic signal monitor
By separating the main board circuit board from the external electrodes and using elastic probe contacts, the connection stability and acquisition accuracy problems of traditional electromyography signal monitors are solved, resulting in higher production yield and equipment reliability.
Patent Information
- Application Number
- CN202422939404.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2034-11-29
AI Technical Summary
Traditional electromyography (EMG) signal monitors suffer from problems such as high processing requirements due to the hard connection between the circuit board and the electrodes, short circuits caused by sweat, damage to components due to vibration, and inaccurate data acquisition and monitoring.
The main board circuit board and external electrodes are designed separately. The external electrodes are made of elastic probes and are in elastic contact with the external electrodes. The external electrodes are injection molded into the lower shell, which prevents sweat from entering the circuit board, absorbs processing errors and reduces the risk of vibration damage.
It improves the accuracy of electromyography signal acquisition and monitoring, reduces production costs and equipment failure risks, extends service life, and enhances the portability and monitoring effect of the equipment.
Smart Images
Figure CN223569327U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of electromyography signal, in particular to an electromyography signal monitor for muscle activation, electromyography stimulation training or electromyography signal monitoring. BACKGROUND
[0002] Electromyography (EMG) signal is an electrical signal generated by muscle fibers when stimulated by nerves. People pay more and more attention to health and actively carry out fitness and rehabilitation exercises. Electromyography signal gives a lot of information to people who exercise. The applications of electromyography signal include, but are not limited to, diagnosing muscle and nerve diseases, evaluating muscle function, analyzing movement patterns, developing human-computer interfaces, etc.
[0003] Traditional electromyography signal monitor or muscle activation monitor has electrodes directly welded on the circuit board, which passes through the shell to contact the human body, and then collects and monitors electromyography signal. However, the existing product technology has the following disadvantages: first, the connection between the circuit board and the electrode is a hard connection, which is limited by the size tolerance and requires high processing of parts; second, the electrode is directly welded on the circuit board, which passes through the shell to contact the human body, and the human sweat is easy to enter the circuit board along the electrode, causing short circuit and other failures; third, the electrode exposed outside the shell has inconsistent height or position due to cumulative processing error. The electromyography signal monitor or muscle activation monitor thus set has low production yield, and slight vibration may cause damage to components; at the same time, it increases the cost, and the accuracy and effectiveness of the collected and monitored electromyography signal are low. SUMMARY
[0004] The present application provides an electromyography signal monitor with good safety protection structure, which protects the internal circuit and improves the accuracy and effectiveness of the collected and monitored electromyography signal.
[0005] The electromyography signal monitor provided by the present application comprises an upper shell, a battery, a main board circuit board and a lower shell, the battery and the main board circuit board are contained in a containing space formed by the upper and lower shells, at least one probe is arranged on the main board circuit board, and an external electrode matched with the probe is arranged outside the lower shell.
[0006] Further, the contact of the probe is an elastic body.
[0007] Further, the elastic body of the contact of the probe is 0.5mm-1.5mm high.
[0008] Further, 2-7 probes are arranged on the main board circuit board, and 2-7 external electrodes are correspondingly arranged outside the lower shell.
[0009] Further, one or more indicator lights are further included.
[0010] Further, the indicator light is arranged on the upper shell, and includes at least one state indicator light and at least one running indicator light, the state indicator light is used for identifying whether the device is in a start-up or shutdown state; the running indicator light is used for identifying the activation strength of the tested muscle.
[0011] Further, the running indicator light includes five, when one running indicator light is on, it indicates that the tested muscle is in weak activation; when two running indicator light are on, it indicates that the tested muscle is in mild activation; when three running indicator light are on, it indicates that the tested muscle is in moderate activation; when four running indicator light are on, it indicates that the tested muscle is in high activation; when five running indicator light are on, it indicates that the tested muscle is in maximum activation.
[0012] Further, the battery is a rechargeable battery; the lower shell is further provided with a charging interface, a function button and a switch button; the upper shell and the lower shell are fixed by the clamping hooks arranged on the upper shell and the clamping grooves arranged on the lower shell; the main board circuit board is provided with a power button matched with the switch button, and the contact end surfaces of the switch button and the power button are left with a certain gap; the lower shell is provided with two fixed columns with positioning steps for fixing and positioning the main board circuit board; the upper shell is provided with a limiting clamping hook and a limiting column for limiting and fixing the battery.
[0013] Further, the probe is arranged in a straight line arrangement mode, and the outer electrode is correspondingly arranged in a straight line arrangement mode.
[0014] Further, the outer electrode is a circular electrode, which is embedded in the lower shell, and the circular electrode is integrally formed with the lower shell as an injection molded insert.
[0015] The electromyographic signal monitor of the application is designed separately from the external electrode through the main board circuit board, so as to cut off the direct entry of sweat from the electrode into the main board circuit board, avoid the risk of circuit short circuit caused by sweat, protect the damage of internal circuit components, reduce the use risk, and prolong the service life of the device.
[0016] Meanwhile, the elastic probe is arranged or welded on the main board circuit board, the elastic contact part of the elastic probe is in contact with the external electrode, the processing error can be effectively absorbed, the hard contact is avoided, the damage of components and parts caused by vibration is effectively reduced through elastic contact, the production yield is improved, the production cost caused by the requirement of tolerance error is greatly reduced, and the accuracy and effectiveness of the collected and monitored electromyographic signal are improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1is a disassembled structural schematic diagram of the myoelectric signal monitor of an embodiment of the present application.
[0018] Figure 2 is a structural schematic diagram of the myoelectric signal monitor of the present application from one side after combination.
[0019] Figure 3 is a structural schematic diagram of the myoelectric signal monitor of the present application from another side after combination.
[0020] Figure 4 is a disassembled structural schematic diagram of the upper shell and the lower shell of an embodiment of the present application.
[0021] Figure 5 is a disassembled structural schematic diagram of the upper shell and the lower shell of an embodiment of the present application from another angle.
[0022] Figure 6 is a structural schematic diagram of the upper shell of an embodiment of the present application from the inside.
[0023] Figure 7 is a structural schematic diagram of the combination of the battery installed in the upper shell of an embodiment of the present application.
[0024] Figure 8 is a disassembled structural schematic diagram of the mainboard circuit board and the lower shell of an embodiment of the present application.
[0025] Figure 9 is a structural schematic diagram of the combination of the mainboard circuit board installed in the lower shell of an embodiment of the present application.
[0026] Figure 10 is Figure 9 is a local enlarged structural schematic diagram of A-A in FIG.
[0027] Figure 11 is a disassembled structural schematic diagram of the myoelectric signal monitor of an embodiment of the present application including a skin patch.
[0028] Figure 12a , 12b is a structural schematic diagram of the myoelectric signal monitor of an embodiment of the present application with a skin patch and when used on the human skin. DETAILED DESCRIPTION
[0029] The present application will be further described below in conjunction with the drawings and specific embodiments. It should be noted that the embodiments of the present application are only used to illustrate one (or more) implementation manner(s) of the present application, and are not used to limit the present application. The ordinary skilled person in the art can make simple changes to the embodiments similar to the present application, and the changes are within the scope of the present application.
[0030] Reference to“one embodiment” or“an embodiment” or“some embodiments” or“one implementation” or“some implementations” means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. The appearances of the phrase“in one embodiment” or“in some embodiments” in various places in the specification are not necessarily all referring to the same embodiment, although it can. The terms“including,”“comprising,”“having” and variations thereof are meant to encompass the items listed thereafter and equivalents thereof as well as additional items.
[0031] The present application provides an electromyography monitor, comprising an upper shell, a battery, a mainboard circuit board and a lower shell, the battery and the mainboard circuit board are contained in a containing space formed by the upper shell and the lower shell, at least one probe is arranged on the mainboard circuit board, and at least one external electrode matched with the probe is arranged on the lower shell. It can be used for different application scenarios of muscle activation, electromyography stimulation training or electromyography monitoring.
[0032] As Figure 1 The structural schematic diagram of an embodiment of the present application is shown. The upper shell 1 and the lower shell 4 are closely matched to form a containing space, and the battery 2 and the mainboard circuit board 7 are arranged in the containing space of the upper shell 1 and the lower shell 4. The battery 2 provides power for each component on the mainboard circuit board.
[0033] One or more probes 6 are welded on the mainboard circuit board 7, and the number of the probes 6 is 2-7, and in the embodiment, the number is 3. The number of the external electrodes 5 arranged on the lower shell 4 is corresponding to the number of the probes 6, and the number of the external electrodes 5 is 2-7, and in the embodiment, the number is 3.
[0034] In a further embodiment, the contact of the probe 6 is an elastic body, and in a further embodiment, the elastic body comprises a spring. The height of the elastic body is 0.5-1.5 mm, and in a further embodiment, the height of the elastic body is 1 mm.
[0035] Further, the outer electrode 5 is a circular electrode embedded in the lower shell 4, and the contact head of the circular electrode protrudes outward from the surface of the lower shell 4. The circular electrode is used as an injection molding insert and is integrally injection molded with the lower shell 4. The contact head part of the outer electrode 5 directly contacts the human skin, captures the weak bioelectric signals of the human body, and feeds back to the central processing unit on the main board circuit board 7 through the probe. The lower shell 4 is integrally injection molded with the circular electrode, which can effectively block the sweat of the human body. The outer electrode 5 is in elastic body contact with the probe 6, which can absorb a certain processing error, such as 0.5mm, and is beneficial to the improvement of production yield; on the other hand, through the elastic body contact, the risk and probability of damage to the components caused by vibration are effectively reduced, and the safety protection is improved.
[0036] Please refer to Figure 2 、 Figure 3 , the myoelectric signal monitor of the present application also comprises one or more indicator lights 8. The indicator light 8 is arranged on the upper shell 1, which includes at least one status indicator light and at least one running indicator light, the status indicator light is used to identify whether the device is in the state of starting or shutting down; the running indicator light is used to identify the strength of the activated muscle being tested. In the embodiment of the present application, the running indicator light includes 5, when one running indicator light is on, it means that the muscle being tested is in weak activation; when two running indicator lights are on, it means that the muscle being tested is in mild activation; when three running indicator lights are on, it means that the muscle being tested is in moderate activation; when four running indicator lights are on, it means that the muscle being tested is in high activation; when five running indicator lights are on, it means that the muscle being tested is in maximum activation.
[0037] In a further embodiment, the battery 2 is a rechargeable battery; the lower shell 4 is also provided with a charging interface 9, a switch button 3 and a function button, and in this embodiment, the function button and the switch button 3 are combined together. The charging interface 9, the switch button and / or the function button and the indicator light are electrically connected with the main board circuit board 7.
[0038] In a further embodiment, the outer electrode 5 is arranged in a straight line arrangement mode, so as to adapt to the muscle fiber direction of the muscle being monitored, and the corresponding probe is arranged in a straight line arrangement mode. If multiple rows of outer electrodes are arranged, the preferred mode is still to arrange them in a straight line arrangement mode row by row.
[0039] In a further embodiment, as shown in Figure 4 、 Figure 5 、 Figure 6 , one or more clamping hooks 11 are arranged on the inner side of the upper shell 1, which are matched with the clamping grooves 41 of the lower shell 4. When installed, the clamping hooks 11 are embedded in the clamping grooves 41, so as to tightly and firmly combine the upper shell 1 and the lower shell 4 together.
[0040] Please refer to Figure 6 and simultaneously refer to Figure 7 Further, the upper shell 1 is further provided with a limiting hook 12 and a limiting column (not numbered) for fixing the battery 2. When the battery 2 is installed in the upper shell 1, it is embedded in the limiting hook 12 and fixed and positioned by the limiting hook and the limiting column. This arrangement of the limiting hook and the limiting column facilitates the installation and removal of the battery.
[0041] In a further embodiment, as shown in Figure 8 , Figure 9 , Figure 10 , Figure 10 , Figure 9 is an enlarged view of A-A in FIG. 7. When the main board circuit board 7 is assembled with the lower shell 4, it is installed and cooperated by the screw 20 and the fixing columns 42 and 43. Meanwhile, the two fixing columns 42 and 43 on the same side of the fixing columns of the lower shell 4 are provided with positioning steps. When the main board circuit board 7 is installed on the four fixing columns, the two fixing columns 42 and 43 with the positioning steps will stably position and fix the main board circuit board 7, avoiding the sliding deviation of the main board circuit board 7, and accurately fixing the main board circuit board 7 to the specified position of the lower shell 4. The reason for this arrangement is that there is a gap between the contact end surface 711 of the power button 71 on the main board circuit board 7 and the contact end surface 31 of the switch key 3. If the gap is too large or too small, it will affect the key touch or directly make the key function invalid. In this embodiment, the two fixing columns with the positioning steps of the lower shell 4 accurately cooperate with the main board circuit board 7 and the components of the lower shell 4, without affecting the installation and placement of other main board components. In a further embodiment, the two fixing columns 42 and 43 with the positioning steps are located on the opposite sides of the charging interface.
[0042] In a further embodiment, as shown in Figure 11 , it further comprises a skin patch 10 provided with electrode hole positions corresponding to the external electrodes.
[0043] Please refer to Figure 11 and Figure 12a , Figure 12b , the electromyographic signal monitor is used by attaching the skin patch 10 to the external electrode surface of the electromyographic signal monitor. In use, the external electrode 5 of the electromyographic signal monitor penetrates the electrode hole positions of the skin patch 10, and then the electromyographic signal monitor is attached to the skin 30 of the monitoring site through the skin patch 10. The skin patch is disposable or reusable. When attached, the electrode arrangement direction is consistent with the muscle fiber direction. The indicator light is preferably directed towards the head of the human body, facilitating the viewing of the status of the indicator light.
[0044] The electromyographic signal monitor for muscle activation of the present application is designed separately from the external electrode through a main board circuit board, which cuts off the sweat from directly entering the circuit board from the electrode, avoids the risk of circuit short circuit caused by sweat, protects the internal circuit components from damage, reduces the use risk, prolongs the service life of the equipment.
[0045] Meanwhile, the present application sets or welds an elastic probe on the main board circuit board, forms contact between the elastic contact part of the elastic probe and the external electrode, can effectively absorb the processing error, at the same time, the contact point avoids hard contact, through elastic contact, effectively reduces the possibility of damage to the parts caused by vibration, improves the production yield, greatly reduces the production cost requirement caused by the requirement of tolerance error, improves the accuracy and effectiveness of the collected and monitored electromyographic signal.
[0046] Meanwhile, the electromyographic signal monitor of the present application collects all functions through an integrated main board circuit board, has the characteristics of small and portable, hardware can be used alone, simple to use, signal automatic processing, can visually check the muscle activation, training feedback through external terminals such as mobile phones, Ipad, computers and other devices, enhances the portability and effectiveness of the electromyographic signal monitor.
Claims
1. An electromyographic signal monitor, characterized by, The device comprises an upper shell, a battery, a mainboard circuit board and a lower shell, the battery and the mainboard circuit board are contained in the containing space formed by the upper and lower shells, at least one probe is arranged on the mainboard circuit board, and an external electrode corresponding to the probe is arranged on the lower shell.
2. The electromyographic signal monitor of claim 1, wherein, The contact of the probe is an elastic body.
3. The electromyographic signal monitor of claim 2, wherein, The elastic body of the contact of the probe is 0.5-1.5 mm high.
4. The electromyographic signal monitor of claim 3, wherein, 2-7 probes are arranged on the mainboard circuit board, and 2-7 external electrodes are arranged on the lower shell correspondingly.
5. The electromyographic signal monitor of claim 4, wherein, One or more indicator lights are further included.
6. The electromyographic signal monitor of claim 5, wherein, The indicator lights are arranged on the upper shell and comprise at least one state indicator light and at least one operation indicator light, the state indicator light is used for identifying whether the device is in a start-up or shutdown state, and the operation indicator light is used for identifying the strength of the activated muscle.
7. The electromyographic signal monitor of claim 6, wherein, The operation indicator light comprises five indicator lights, when one operation indicator light is on, it indicates that the tested muscle is in weak activation, when two operation indicator lights are on, it indicates that the tested muscle is in mild activation, when three operation indicator lights are on, it indicates that the tested muscle is in moderate activation, when four operation indicator lights are on, it indicates that the tested muscle is in high activation, and when five operation indicator lights are on, it indicates that the tested muscle is in maximum activation.
8. The electromyographic signal monitor of claim 7, wherein, The battery is a rechargeable battery, a charging interface, a function button and a switch button are further arranged on the lower shell, the upper shell and the lower shell are fixed by the snap hooks arranged on the upper shell and the clamping grooves arranged on the lower shell, a power button corresponding to the switch button is arranged on the mainboard circuit board, and a certain gap is left between the contact end faces of the switch button and the power button, two fixed columns with positioning steps are arranged in the lower shell and used for fixing and positioning the mainboard circuit board, and limiting snap hooks and limiting columns are arranged in the upper shell and used for limiting and fixing the battery.
9. The electromyographic signal monitor of claim 4, wherein, The probes are arranged in a straight line arrangement mode, and the external electrodes are correspondingly arranged in a straight line arrangement mode.
10. The electromyographic signal monitor of claim 9, wherein, The external electrode is a circular electrode which is embedded in the lower shell, and the circular electrode is integrally formed with the lower shell as an injection molded insert.