CN215691077U - Electrical stimulation instrument and auxiliary system thereof - Google Patents
Electrical stimulation instrument and auxiliary system thereof Download PDFInfo
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- CN215691077U CN215691077U CN202121604325.2U CN202121604325U CN215691077U CN 215691077 U CN215691077 U CN 215691077U CN 202121604325 U CN202121604325 U CN 202121604325U CN 215691077 U CN215691077 U CN 215691077U
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Abstract
The utility model discloses an auxiliary system, wherein a processor in the auxiliary system can monitor the humidity value of the contact position of an electrode and the skin through a humidity detection module, and can control a liquid supply device to apply conductive liquid to the contact position of the electrode and the skin when the humidity value is smaller, namely, the humidity can be actively improved to improve the skin conductivity under the condition that the skin of a user is dry, the current value of electric stimulation generated on the electrode is prevented from not reaching the standard, the treatment effect of an electric stimulation instrument is ensured, and the user experience is improved. The utility model also discloses an electrical stimulation instrument which has the same beneficial effects as the auxiliary system.
Description
Technical Field
The utility model relates to the field of electrical stimulators, in particular to an auxiliary system and an electrical stimulator.
Background
The electrical stimulator can apply electrical stimulation with a specified current value to human skin through the electrode pairs of the electrical stimulator, so that electrical stimulation treatment can be performed, however, because the impedance of the human skin is related to the skin humidity, if the skin of a user is too dry, the impedance of the user is large and the conductivity of the user is insufficient, and the electrical stimulator usually has safe voltage limitation, the current value of the electrical stimulation applied to the human body cannot be completely increased in a voltage increasing mode, that is, when the electrical stimulation treatment is performed on the user with dry skin, the treatment effect is possibly weakened due to the fact that the current value of the electrical stimulation does not reach the standard, and the user experience is influenced.
Therefore, how to provide a solution to the above technical problem is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an auxiliary system, which ensures the treatment effect of an electrical stimulator and improves the user experience; another object of the present invention is to provide an electrical stimulation apparatus including the above-mentioned auxiliary system, which ensures the therapeutic effect of the electrical stimulation apparatus and improves the user experience.
To solve the above technical problem, the present invention provides an assistance system, including:
the humidity detection module is arranged on an electrode of the electrical stimulation instrument and used for detecting the humidity value of the contact position of the electrode and the skin;
a liquid supply connected to the electrode;
and the processor is connected with the liquid supply device and is used for controlling the liquid supply device to apply the conductive liquid to the contact position of the electrode and the skin when the humidity value is smaller than a first preset threshold value.
Preferably, the assistance system further comprises:
the resistance value detection module is arranged on the electrodes and connected with the processor and is used for detecting the resistance value of the skin between the two electrodes;
the humidity detection module is two humidity sensors respectively arranged on the two electrodes;
the processor is specifically configured to control the liquid supply device to apply the conductive liquid to the electrode with the lowest humidity when the resistance value is greater than a second preset threshold value.
Preferably, the liquid supply device includes:
the liquid storage container is used for storing the conductive liquid;
and the control valves are respectively connected with the liquid storage container, the processor and the two electrodes and are used for enabling the conductive liquid to flow to the appointed electrodes under the control of the processor.
Preferably, the processor is a master controller of the electrostimulator.
Preferably, the assistance system further comprises:
the current detection module is arranged on the electrode and connected with the processor and is used for detecting a real-time current value on the electrode;
the processor is further configured to perform closed-loop control on the current on the electrode according to the real-time current and a target current value, so as to make the real-time current value equal to the target current value.
Preferably, the assistance system further comprises:
a prompter connected with the processor;
the processor is further configured to control the prompter to prompt the electrode to fall off when the real-time current value is smaller than a third preset threshold value.
Preferably, the current detection module includes a first detection resistor, a first capacitor, and a first current limiting resistor;
the first end of the first detection resistor, the first end of the first capacitor and the first end of the first current limiting resistor are all connected with the electrode located at the rear end of the loop, the second end of the first detection resistor and the second end of the first capacitor are all grounded, and the second end of the first current limiting resistor is connected with the first detection end of the processor.
Preferably, the resistance value detection module includes the first detection resistor, the first capacitor, the first current limiting resistor, a second detection resistor, a second capacitor, and a second current limiting resistor;
the first end of the second detection resistor, the first end of the second capacitor and the first end of the second current-limiting resistor are all connected with the electrode located at the front end of the loop, the second end of the second detection resistor and the second end of the second capacitor are all grounded, and the second end of the second current-limiting resistor is connected with the second detection end of the processor.
Preferably, the assistance system further comprises:
and the sponge layer is arranged on the electrode and connected with the output end of the liquid supply device and is used for absorbing and storing the conductive liquid applied by the liquid supply device.
In order to solve the technical problem, the utility model also provides an electrical stimulator which comprises the auxiliary system.
The utility model provides an auxiliary system, and the processor in the application can monitor the humidity value of the contact position of an electrode and the skin through a humidity detection module, and can control a liquid supply device to apply conductive liquid to the contact position of the electrode and the skin when the humidity value is smaller, namely, the humidity can be actively improved to improve the skin conductivity under the condition that the skin of a user is dry, the current value of electric stimulation generated on the electrode is prevented from not reaching the standard, the treatment effect of an electric stimulation instrument is ensured, and the user experience is improved.
The utility model also provides an electrical stimulator which has the same beneficial effects as the auxiliary system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed in the prior art and the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an auxiliary system according to the present invention;
FIG. 2 is a schematic structural diagram of another auxiliary system provided by the present invention;
FIG. 3 is a schematic structural diagram of a liquid supply apparatus according to the present invention;
fig. 4 is a schematic structural diagram of a resistance value detection module according to the present invention.
Detailed Description
The core of the utility model is to provide an auxiliary system, which ensures the treatment effect of the electrical stimulator and improves the user experience; the other core of the utility model is to provide the electrical stimulation instrument comprising the auxiliary system, so that the treatment effect of the electrical stimulation instrument is ensured, and the user experience is improved.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an auxiliary system provided in the present invention, the auxiliary system including:
the humidity detection module 1 is arranged on an electrode of the electrical stimulation instrument and is used for detecting the humidity value of the contact position of the electrode and the skin;
a liquid supply 3 connected to the electrodes;
and the processor 2 is connected with the liquid supply device 3 and is used for controlling the liquid supply device 3 to apply the conductive liquid to the contact position of the electrode and the skin when the humidity value is smaller than a first preset threshold value.
Specifically, in view of the technical problems in the background art, the present application intends to design an auxiliary system capable of automatically performing humidity replenishment to improve the conductivity of dry skin, and in view of the fact that the skin of any user does not need to be subjected to humidity replenishment, so that a humidity detection module 1 capable of detecting the humidity value of the contact position of the electrode and the skin is provided in the present application, the processor 2 can determine whether humidity replenishment is needed by monitoring the humidity value, and only when the humidity value is greater than a first preset threshold, the liquid supply device 3 is controlled to apply conductive liquid to the contact position of the electrode and the skin, so as to moisten the skin and achieve the purpose of improving the conductivity of the skin.
The first preset threshold may be a humidity threshold set by experience, and a specific value of the first preset threshold may be set autonomously, which is not limited herein.
Specifically, the humidity detection module 1 may be of various types, for example, may be a temperature and humidity sensor, and the embodiment of the present invention is not limited herein.
Specifically, the present application may be applied to various types of electrical stimulators, for example, a transcranial direct current stimulator, and the like, and the embodiments of the present invention are not limited herein.
The conductive liquid may be of various types, including conductive ions, and the embodiment of the present invention is not limited herein.
The utility model provides an auxiliary system, and the processor in the application can monitor the humidity value of the contact position of an electrode and the skin through a humidity detection module, and can control a liquid supply device to apply conductive liquid to the contact position of the electrode and the skin when the humidity value is smaller, namely, the humidity can be actively improved to improve the skin conductivity under the condition that the skin of a user is dry, the current value of electric stimulation generated on the electrode is prevented from not reaching the standard, the treatment effect of an electric stimulation instrument is ensured, and the user experience is improved.
For better explaining the embodiment of the present invention, please refer to fig. 2, fig. 2 is a schematic structural diagram of another auxiliary system provided by the present invention, and on the basis of the above embodiment:
as a preferred embodiment, the assistance system further comprises:
the resistance value detection module 4 is arranged on the electrodes and connected with the processor 2 and is used for detecting the resistance value of the skin between the two electrodes;
the humidity detection module 1 is two humidity sensors respectively arranged on the two electrodes;
the processor 2 is specifically configured to control the liquid supply 3 to apply the conductive liquid to the electrode with the lowest humidity when the resistance value is greater than a second preset threshold value.
Specifically, consider that humidity can not directly quantify conductivity, can detect the resistance of skin between two electrodes through resistance detection module 4 in this application, only just carry out applying of conducting liquid when this resistance is greater than the second and predetermines the threshold value to can grasp the opportunity of applying conducting liquid more accurately, be favorable to reducing conducting liquid's waste, thereby saved the cost.
Specifically, considering that the dryness degrees of the skins where the two electrodes are located may be different, the conductivity is intentionally enhanced by applying the conductive liquid to the skin corresponding to the electrode with the lowest humidity, so that in the application, the conductive liquid can be applied only to the electrode with the lowest humidity when the resistance value is greater than a second preset threshold value, thereby further reducing the use of the conductive liquid and further saving the cost.
Of course, the conductive liquid may also be applied to the two electrodes at the same time when the resistance value is greater than the second preset threshold, and the embodiment of the present invention is not limited herein.
The second preset threshold may be set autonomously, for example, 2000 Ω, and the like, which is not limited herein in the embodiment of the present invention.
For better explaining the embodiment of the present invention, please refer to fig. 3, fig. 3 is a schematic structural diagram of a liquid supply apparatus 3 according to the present invention, and as a preferred embodiment, the liquid supply apparatus 3 includes:
the liquid storage container is used for storing conductive liquid;
and control valves respectively connected with the liquid storage container, the processor 2 and the two electrodes, and used for enabling the conductive liquid to flow to the appointed electrodes under the control of the processor 2.
In particular, the reservoir may store a majority of the conductive liquid, thereby providing a greater source of conductive liquid.
The liquid storage container may be of various types, and any container that can contain conductive liquid may be used, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the processor 2 is the main controller of the electrostimulator.
In particular, the control valve allows the conductive liquid to be released quickly and accurately under the control of the processor 2, and it has the advantages of small volume and low cost.
Specifically, the processor 2 may be of various types, for example, may be a single chip microcomputer, and the embodiment of the present invention is not limited herein.
Of course, the specific configuration of the liquid supply device 3 may be other types besides the liquid supply device 3, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the assistance system further comprises:
the current detection module 5 is arranged on the electrode and connected with the processor 2 and is used for detecting the real-time current value on the electrode;
the processor 2 is further arranged to perform closed loop control of the current on the electrode in dependence on the real-time current and the target current value so as to make the real-time current value equal to the target current value.
Specifically, considering that although the original circuit of the electrical stimulator can adjust the current, the current value of the electrical stimulation generated on the human body may still fluctuate to a large extent due to the equivalent resistance of the human tissue or external interference, and the like, the real-time current value on the electrode is detected in the application, and the current on the electrode is subjected to closed-loop control through a closed-loop control algorithm, so that the real-time current value is equal to the target current value, the stability of the current value on the electrode can be improved, and the treatment effect and the safety are improved.
The closed-loop control algorithm may be of various types, such as a PID (proportional Integral Differential) algorithm, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the assistance system further comprises:
a prompter 6 connected to the processor 2;
the processor 2 is further configured to control the prompter 6 to prompt the electrode to fall off when the real-time current value is smaller than a third preset threshold value.
Specifically, consider that there is the possibility that drops in the electrode to can interrupt electrotherapy, and consider that the electrode drops the back current can be less by a wide margin or even disappear, consequently can judge that the electrode drops and controller prompting device 6 promotes the electrode and drops when real-time current value is less than the third and predetermines the threshold value in this application, so that the user in time discovers this condition and resumes the electrode connection, is favorable to promoting treatment, and promotes user experience.
The third preset threshold may be set autonomously, and the embodiment of the present invention is not limited herein.
Specifically, the prompter 6 may be of various types, for example, an audio prompter or a display, and the embodiment of the present invention is not limited herein.
In addition, an alarm can be arranged, and the alarm is controlled to give an alarm when the electrode is judged to fall off, so that a user can find the electrode to fall off at the first time.
As a preferred embodiment, the current detection module 5 includes a first detection resistor, a first capacitor C2, and a first current limiting resistor R5;
the first end of the first detection resistor, the first end of the first capacitor C2 and the first end of the first current limiting resistor R5 are all connected to the electrode located at the rear end of the loop, the second end of the first detection resistor and the second end of the first capacitor C2 are both grounded, and the second end of the first current limiting resistor R5 is connected to the first detection end of the processor 2.
Specifically, in fig. 4, Vin1 is a voltage signal of an electrode located at the rear end of the loop, Vout1 is connected to the first detection end of the processor 2, R3 and R4 connected in parallel therewith serve as a first detection resistor, and a capacitor C3 and a protection diode D1 also used for filtering may be further provided.
Specifically, the first current limiting resistor R5 may be large enough (e.g. 2000 Ω), so that the voltage divided by the first detecting resistor can be approximately regarded as the voltage of the electrode downstream of the rear end of the loop, and the current value of the loop where the electrode is located is calculated in combination with the blocking of the first detecting resistor.
Specifically, the current detection module 5 in the embodiment of the present invention has the advantages of simple structure, low cost, and the like.
Of course, besides this specific structure, the current detection module 5 may be of other various types, and the embodiment of the present invention is not limited herein.
For better explaining the embodiment of the present invention, please refer to fig. 4, fig. 4 is a schematic structural diagram of a resistance detection module 4 according to the present invention, as a preferred embodiment, the resistance detection module 4 includes a first detection resistor, a first capacitor C2 and a first current limiting resistor R5, and further includes a second detection resistor, a second capacitor C4 and a second current limiting resistor R8;
the first end of the second detection resistor, the first end of the second capacitor C4 and the first end of the second current limiting resistor R8 are all connected to the electrode located at the front end of the loop, the second end of the second detection resistor and the second end of the second capacitor C4 are both grounded, and the second end of the second current limiting resistor R8 is connected to the second detection end of the processor 2.
Specifically, in fig. 4, Vin2 is a voltage signal of an electrode at the front end of the loop, Vout2 is connected to the second detection terminal of the processor 2, R6 and R7 connected in parallel therewith serve as a second detection resistor, and a capacitor C5 and a protection diode D2 also used for filtering may be further provided.
Specifically, the resistance detection module 4 is substantially based on the current detection module 5, and a circuit identical to the current detection module 5 is further disposed on the other electrode, so that the resistance of the skin between the two electrodes can be calculated according to the real-time current value determined above and the voltages at the two electrodes, and the resistance detection module 4 in the embodiment of the present invention has the advantages of simple structure, small size, low cost, and the like.
Of course, besides the specific structure, the resistance value detection module 4 may be of other various types, and the embodiment of the present invention is not limited herein.
As a preferred embodiment, the assistance system further comprises:
a sponge layer 7 disposed on the electrode and connected to the output end of the liquid supply means 3 for absorbing and storing the conductive liquid applied by the liquid supply means 3.
It is specific, thereby it is long when considering that conducting liquid exerts the easy back of volatilizing influence effect, consequently set up sponge layer 7 in this application on the electrode to can improve conducting liquid and promote long when the effect of electric conductivity, further reduce conducting liquid's waste.
The utility model also provides an electrical stimulation instrument comprising the auxiliary system in the embodiment.
For the description of the electrical stimulation apparatus provided in the embodiment of the present invention, please refer to the embodiment of the auxiliary system described above, which is not described herein again.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An assistance system, comprising:
the humidity detection module is arranged on an electrode of the electrical stimulation instrument and used for detecting the humidity value of the contact position of the electrode and the skin;
a liquid supply connected to the electrode;
and the processor is connected with the liquid supply device and is used for controlling the liquid supply device to apply the conductive liquid to the contact position of the electrode and the skin when the humidity value is smaller than a first preset threshold value.
2. The assistance system according to claim 1, characterized in that it further comprises:
the resistance value detection module is arranged on the electrodes and connected with the processor and is used for detecting the resistance value of the skin between the two electrodes;
the humidity detection module is two humidity sensors respectively arranged on the two electrodes;
the processor is specifically configured to control the liquid supply device to apply the conductive liquid to the electrode with the lowest humidity when the resistance value is greater than a second preset threshold value.
3. The assistance system according to claim 2, wherein said liquid supply means comprises:
the liquid storage container is used for storing the conductive liquid;
and the control valves are respectively connected with the liquid storage container, the processor and the two electrodes and are used for enabling the conductive liquid to flow to the appointed electrodes under the control of the processor.
4. The assistance system of claim 2 wherein said processor is a master controller of said electrostimulator.
5. The assistance system according to claim 4, characterized in that it further comprises:
the current detection module is arranged on the electrode and connected with the processor and is used for detecting a real-time current value on the electrode;
the processor is further configured to perform closed-loop control on the current on the electrode according to the real-time current and a target current value, so as to make the real-time current value equal to the target current value.
6. The assistance system according to claim 5, characterized in that it further comprises:
a prompter connected with the processor;
the processor is further configured to control the prompter to prompt the electrode to fall off when the real-time current value is smaller than a third preset threshold value.
7. The auxiliary system of claim 6, wherein the current detection module comprises a first detection resistor, a first capacitor, and a first current limiting resistor;
the first end of the first detection resistor, the first end of the first capacitor and the first end of the first current limiting resistor are all connected with the electrode located at the rear end of the loop, the second end of the first detection resistor and the second end of the first capacitor are all grounded, and the second end of the first current limiting resistor is connected with the first detection end of the processor.
8. The auxiliary system according to claim 7, wherein the resistance detection module comprises the first detection resistor, the first capacitor and the first current limiting resistor, and further comprises a second detection resistor, a second capacitor and a second current limiting resistor;
the first end of the second detection resistor, the first end of the second capacitor and the first end of the second current-limiting resistor are all connected with the electrode located at the front end of the loop, the second end of the second detection resistor and the second end of the second capacitor are all grounded, and the second end of the second current-limiting resistor is connected with the second detection end of the processor.
9. Auxiliary system according to any of claims 1 to 8, characterized in that it further comprises:
and the sponge layer is arranged on the electrode and connected with the output end of the liquid supply device and is used for absorbing and storing the conductive liquid applied by the liquid supply device.
10. An electrostimulation instrument, characterised in that it comprises an auxiliary system according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121604325.2U CN215691077U (en) | 2021-07-14 | 2021-07-14 | Electrical stimulation instrument and auxiliary system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121604325.2U CN215691077U (en) | 2021-07-14 | 2021-07-14 | Electrical stimulation instrument and auxiliary system thereof |
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| Publication Number | Publication Date |
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| CN215691077U true CN215691077U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121604325.2U Active CN215691077U (en) | 2021-07-14 | 2021-07-14 | Electrical stimulation instrument and auxiliary system thereof |
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| CN (1) | CN215691077U (en) |
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