CN111375126B - Wearing detection circuit, neck massage device and wearing detection method - Google Patents
Wearing detection circuit, neck massage device and wearing detection method Download PDFInfo
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- 238000001514 detection method Methods 0.000 title claims abstract description 202
- 238000006243 chemical reaction Methods 0.000 claims description 20
- 239000003990 capacitor Substances 0.000 claims description 8
- 210000003739 neck Anatomy 0.000 description 36
- 238000010586 diagram Methods 0.000 description 10
- 208000002193 Pain Diseases 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001960 triggered effect Effects 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 2
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- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/02—Details
- A61N1/04—Electrodes
- A61N1/0404—Electrodes for external use
- A61N1/0472—Structure-related aspects
- A61N1/0484—Garment electrodes worn by the patient
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61N—ELECTROTHERAPY; MAGNETOTHERAPY; RADIATION THERAPY; ULTRASOUND THERAPY
- A61N1/00—Electrotherapy; Circuits therefor
- A61N1/18—Applying electric currents by contact electrodes
- A61N1/32—Applying electric currents by contact electrodes alternating or intermittent currents
- A61N1/36—Applying electric currents by contact electrodes alternating or intermittent currents for stimulation
- A61N1/36014—External stimulators, e.g. with patch electrodes
- A61N1/3603—Control systems
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Abstract
The invention discloses a wearing detection circuit, a neck massage device and a wearing detection method, wherein the wearing detection circuit comprises a first input module, a second input module and a first output module, wherein the first end of the first input module is used for receiving an electrode driving power supply signal; the first end of the second input module is used for receiving an electrode driving detection signal; the first input end of the comparison module is connected with the second end of the first input module, the second input end of the comparison module is connected with the second end of the second input module, and the comparison module is used for determining the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal and outputting the wearing detection signal. The circuit can improve the accuracy of detecting the wearing state of the neck massage device, avoid false triggering phenomenon when not worn and improve the user experience.
Description
Technical Field
The invention relates to the technical field of massage instruments, in particular to a wearing detection circuit, a neck massage device and a wearing detection method.
Background
The neck massager is used for conducting to deep skin by utilizing pulse electric frequency, and simulating various simulation techniques for massage so as to achieve the effect of deeply relaxing cervical vertebra.
In the related art, for the neck massager easy to wear, the contact area of the electrode assembly of the massager with the skin is small, and on the basis of not changing the structure, false triggering is easy to occur when the electrode assembly is contacted or not contacted due to the difference of necks of different users, and stabbing pain is generated.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a wearing detection circuit, which can improve the accuracy of detecting the wearing state of the neck massage device, avoid false triggering phenomenon when not worn, and improve the user experience.
The second object of the present invention is to provide a neck massage device.
The third object of the present invention is to provide a wearing detection method.
In order to solve the above-mentioned problems, an embodiment of a first aspect of the present invention provides a wear detection circuit, which includes a first input module, where a first end of the first input module is configured to receive an electrode driving power supply signal; the first end of the second input module is used for receiving an electrode driving detection signal; the first input end of the comparison module is connected with the second end of the first input module, the second input end of the comparison module is connected with the second end of the second input module, and the comparison module is used for determining the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal and outputting the wearing detection signal.
According to the wearing detection circuit provided by the embodiment of the invention, the first input module receives the electrode driving power supply signal, the second input module receives the electrode driving detection signal, the comparison module compares the electrode driving power supply signal with the electrode driving detection signal, the wearing detection signal is determined to be unworn or worn according to the comparison result, the wearing detection signal is output, the driving power supply signal is compared with the driving detection signal, namely the phase difference amplitude of the driving power supply signal and the driving detection signal is compared, and the signal of the comparison module is turned over only when the phase difference reaches a certain amplitude value, namely the wearing state is converted, so that interference can be filtered, false triggering phenomenon can not occur, the accuracy of wearing state detection is improved, the use safety is ensured, and the user experience is improved.
In some embodiments, the first input module comprises: the first end of the first resistance unit is used for receiving the electrode driving power supply signal; the first end of the second resistor unit is connected with the second end of the first resistor unit, the second end of the second resistor unit is grounded, a first node is arranged between the first end of the second resistor unit and the second end of the first resistor unit, and the first node is connected with the first input end of the comparison module. Thereby realizing the collection of the electrode driving power supply signals.
In some embodiments, the second input module comprises: a third resistance unit having a first end for receiving an electrode driving detection signal; the first end of the fourth resistor unit is connected with the second end of the third resistor unit, the second end of the fourth resistor unit is grounded, a second node is arranged between the first end of the fourth resistor unit and the second end of the third resistor unit, and the second node is connected with the second input end of the comparison module; and the first end of the first capacitor unit is connected with the first end of the third resistor unit, and the second end of the first capacitor unit is grounded. Thus, the acquisition of electrode driving detection signals is realized.
In some embodiments, the first resistor unit and the second resistor unit are configured to divide the electrode driving power supply signal to obtain a first acquisition signal, and the first node is configured to output the first acquisition signal; the third resistor unit and the fourth resistor unit are used for analyzing the electrode driving detection signal to obtain a second acquisition signal, and the second node is used for outputting the second acquisition signal; the comparison module is used for determining that the detection signal is not worn when the first acquisition signal is higher than the second acquisition signal and outputting the detection signal which is not worn, or determining that the detection signal is worn when the first acquisition signal is lower than the second acquisition signal and outputting the detection signal which is worn.
An embodiment of a second aspect of the present invention provides a neck massage device, including a body, on which a first electrode, a second electrode, an electrode driving circuit, and a controller are disposed, wherein the electrode driving circuit is connected to the first electrode and the second electrode, respectively, and the electrode driving circuit includes a power supply end and a wear detection end; the wearing detection circuit of the above embodiment is connected with the power supply end, the wearing detection end and the controller respectively, so as to obtain an electrode driving power supply signal and an electrode driving detection signal.
According to the neck massage device provided by the embodiment of the invention, the wearing detection circuit provided by the embodiment can improve the accuracy of wearing state detection, avoid false triggering phenomenon when a user does not wear the neck massage device, and improve user experience.
In some embodiments, the neck massage device further comprises: and the level conversion unit is respectively connected with the controller and the electrode driving circuit and is used for converting level signals between the controller and the electrode driving circuit.
In some embodiments, the electrode driving circuit includes a first switch Guan Mokuai, a second switch tube module, a third switch tube module, and a fourth switch Guan Mokuai, where a first end of the first switch tube module is connected to a first end of the second switch tube module, the power supply end is between the first end of the first switch tube module and the first end of the second switch tube module, and the power supply end is connected to a power supply and the wear detection circuit; the second end of the first switching tube module is connected with the first end of the third switching tube module, a third node is arranged between the second end of the first switching tube module and the first end of the third switching tube module, and the third node is connected with the first electrode; the second end of the second switching tube module is connected with the first end of the fourth switching tube module, a fourth node is arranged between the second end of the second switching tube module and the fourth switching tube module, and the fourth node is connected with the second electrode; the second end of the third switching tube module is connected with the second end of the fourth switching tube module, and the wearing detection end is arranged between the second end of the third switching tube module and the second end of the fourth switching tube module; the control end of the first switching tube module and the control end of the fourth switching tube module are connected to the first output end of the level conversion unit, and the control end of the second switching tube module and the control end of the third switching tube module are connected to the second output end of the level conversion unit. Therefore, the acquisition ends of the electrode driving power supply signal and the electrode driving detection signal can be provided, and data acquisition is realized.
In some embodiments, the first switching tube module includes a first switching tube, a fifth resistance unit, and a sixth resistance unit; the second switching tube module comprises a second switching tube, a seventh resistance unit and an eighth resistance unit; the first end of the first switching tube is connected with the first end of the second switching tube, the power supply end is arranged between the first end of the first switching tube and the first end of the second switching tube, the control end of the first switching tube is connected with the first output end of the level conversion unit through the sixth resistance unit, and one end of the fifth resistance unit is connected between the control end of the first switching tube and one end of the sixth resistance unit; the control end of the second switching tube is connected with the second output end of the level conversion unit through the eighth resistance unit, the first end of the seventh resistance unit is connected with the first end of the second switching tube, and the second end of the seventh resistance unit is connected between the control end of the second switching tube and one end of the eighth resistance unit.
In some embodiments, the third switching tube module includes a third switching tube, a ninth resistance unit, and a tenth resistance unit; the fourth switching tube module comprises a fourth switching tube, an eleventh resistance unit and a twelfth resistance unit; the first end of the third switching tube is connected with the second end of the first switching tube, the third node is arranged between the first end of the third switching tube and the second end of the first switching tube, the first end of the fourth switching tube is connected with the second end of the second switching tube, the fourth node is arranged between the first end of the fourth switching tube and the second end of the second switching tube, the second end of the third switching tube is connected with the second end of the fourth switching tube, and the wearing detection end is arranged between the second end of the third switching tube and the second end of the fourth switching tube; the control end of the third switching tube is connected with the second output end of the level conversion unit through the tenth resistance unit, the first end of the ninth resistance unit is connected with the first end of the third switching tube, and the second end of the ninth resistance unit is connected between the control end of the third switching tube and one end of the tenth resistance unit; the control end of the fourth switching tube is connected with the first output end of the level conversion unit through the twelfth resistance unit, the first end of the eleventh resistance unit is connected with the first end of the fourth switching tube, and the second end of the eleventh resistance unit is connected between the control end of the fourth switching tube and one end of the twelfth resistance unit.
An embodiment of a third aspect of the present invention provides a wearing detection method, including acquiring an electrode driving power supply signal and an electrode driving detection signal; and comparing the electrode driving power supply signal with the electrode driving detection signal, determining the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal, and outputting the wearing detection signal.
According to the wearing detection method provided by the embodiment of the invention, the acquired electrode driving power supply signal is compared with the electrode driving detection signal to determine the wearing state according to the comparison result and output the wearing detection signal, so that after the user is determined to wear, the corresponding wearing detection signal is output to drive the electrode, thereby avoiding the user from triggering the electrode by mistake when the user does not wear the electrode and improving the user experience.
In some embodiments, comparing the electrode driving power supply signal and the electrode driving detection signal, and determining a wearing state according to a comparison result of the electrode driving power supply signal and the electrode driving detection signal, and outputting a wearing detection signal, includes: dividing the electrode driving power supply signal to obtain a first acquisition signal, and dividing the electrode driving detection signal to obtain a second acquisition signal; the first acquisition signal is higher than the second acquisition signal, the neck massage device is determined to be not worn, and a non-wearing detection signal is output; or if the first acquisition signal is lower than the second acquisition signal, determining that the neck massage device is worn, and outputting a worn detection signal.
According to the neck massage device provided by the embodiment of the invention, the wearing detection circuit is adopted, namely the electrode driving power supply signal and the electrode driving detection signal are compared through the comparison module, so that when the phase difference between the electrode driving power supply signal and the electrode driving power supply signal reaches a certain amplitude value, the signal of the comparison module is turned over, namely the wearing state is converted, interference can be filtered, false triggering phenomenon of a user when the neck massage device is not worn is avoided, the wearing state detection accuracy is improved, and the user experience is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic diagram of a prior art flip-flop circuit;
FIG. 2 is a schematic diagram of the configuration of a wear detection circuit according to one embodiment of the present invention;
FIGS. 3 (a) - (b) are waveforms of the error-prone trigger circuit and the error-free trigger circuit according to the embodiment of the present invention, respectively;
fig. 4 is a block diagram of a neck massage apparatus according to an embodiment of the present invention;
FIG. 5 is a schematic diagram of a level shifting unit according to one embodiment of the present invention;
fig. 6 is a schematic diagram of the structure of an electrode driving circuit according to an embodiment of the present invention;
fig. 7 is a flowchart of a wear detection method according to one embodiment of the present invention.
Reference numerals:
a wear detection circuit 10; a first input module 1; a second input module 2; a comparison module 3;
a body 20; a first electrode 4; a second electrode 5; an electrode driving circuit 6; a controller 7; a level conversion unit 8;
a first switching tube module 11; a second switching tube module 12; a third switching tube module 13; fourth switching tube module 14.
Detailed Description
Embodiments of the present invention will be described in detail below, by way of example with reference to the accompanying drawings.
As shown in fig. 1, in the prior art, the wearing detection circuit is easy to trigger by mistake, wherein ems_out1 and ems_out2 are electrode plates, and when not worn, ems_check1 is at a high level; after wearing, ems_check1 is low.
However, the skilled person finds that, as vcc_hv1 varies greatly in a very short time, and the on and off frequencies of the transistor are very high, the circuit is prone to generate interference to cause false detection. Specifically, when the capacitor C2 in fig. 1 is fully charged, the fifth transistor Q5 is triggered to turn on, and the EMS CHECK1 signal is erroneously sent, so that the misoperation is caused, but in practice, the user does not wear the capacitor C2 and the unwanted situation such as stinging occurs.
Aiming at the problems, the embodiment of the invention provides a wearing detection circuit which can improve the accuracy of detecting the wearing state of the neck massage device, avoid false triggering phenomenon when not worn and improve the user experience.
A wear detection circuit according to an embodiment of the first aspect of the present invention is described below with reference to fig. 2.
Fig. 2 is a schematic diagram of a wear detection circuit according to an embodiment of the present invention, and as shown in fig. 2, a wear detection circuit 10 according to an embodiment of the present invention includes a first input module 1, a second input module 2, and a comparison module 3.
In an embodiment, the wear detection circuit 10 is used in a neck massage device, which is electrically connected to an electrode driving circuit, so that the electrode driving circuit can drive the electrodes to work according to the output signal of the wear detection circuit. As shown in fig. 2, a first end of the first input module 1 is connected to a power supply end of the electrode driving circuit, that is, vcc_hv1 end, for receiving an electrode driving power supply signal; the first end of the second input module 2 is connected with a wearing detection end, namely a VB end, of the electrode driving circuit, and is used for receiving an electrode driving detection signal; the first input end of the comparison module 3 is connected with the second end of the first input module 1, and the second input end of the comparison module 3 is connected with the second end of the second input module 2, so as to determine the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal, and output the wearing detection signal. The electrode driving power supply signal may be understood as whether an electrical signal for supplying power to the electrode exists, and the electrode driving detection signal may be understood as an electrical signal for judging whether the electrode is connected.
Specifically, during operation, the first input module 1 receives an electrode driving power supply signal provided by the power supply end, and transmits the electrode driving power supply signal to the comparison module 3 through the first input end, the second input module 2 receives an electrode driving detection signal provided by the wearing detection end, and transmits the electrode driving power supply signal to the comparison module 3 through the second input end, and then the comparison module 3 compares the electrode driving power supply signal with the electrode driving detection signal, and determines a wearing state according to a comparison result, namely, whether the electrode driving power supply signal is in an unworn state or in a worn state is judged, and then a corresponding wearing detection signal is output. Therefore, the comparison module 3 determines the wearing state according to the comparison result, so that the signal of the driving electrode can be output only when the device is in the worn state, and the signal of the driving electrode can not be output under other conditions, thereby preventing false triggering when the device is not worn, avoiding the stinging phenomenon and ensuring the use safety.
In an embodiment, for the comparison module 3, the wearing state is determined according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal, and whether the user wears is determined by comparing the magnitudes of the two signals, specifically, when the electrode driving power supply signal is higher than the electrode driving detection signal, it is determined that the electrode is not connected, the unworn detection signal is output, and the electrode is not driven to work, or when the electrode driving power supply signal is lower than the electrode driving detection signal, it is determined that the electrode is worn, that is, the electrode is connected, the worn detection signal is output, and the electrode is driven to work.
According to the wearing detection circuit 10 provided by the embodiment of the invention, the first input module 1 receives the electrode driving power supply signal, the second input module 2 receives the electrode driving detection signal, the comparison module 3 compares the electrode driving power supply signal with the electrode driving detection signal to determine that the wearing detection signal is not worn or worn according to the comparison result, and outputs the wearing detection signal, and the comparison of the driving power supply signal with the driving detection signal, namely the comparison of the phase difference amplitude of the driving power supply signal and the driving detection signal, only when the phase difference reaches a certain amplitude, the signal of the comparison module 3 is turned over, namely the wearing state is converted, so that interference can be filtered, the false triggering phenomenon can not occur, the accuracy of the wearing state detection is improved, the use safety is ensured, and the user experience is improved.
In an embodiment, as shown in fig. 2, the first input module 1 may include a first resistance unit R1 and a second resistance unit R2. The first end of the first resistor unit R1 is used for receiving an electrode driving power supply signal; the first end of the second resistor unit R2 is connected with the second end of the first resistor unit R1, the second end of the second resistor unit R2 is grounded, a first node p is arranged between the first end of the second resistor unit R2 and the second end of the first resistor unit R1, and the first node p is connected with the first input end of the comparison module 3 so as to collect electrode driving power supply signals. The second resistor unit R2 may perform a voltage dividing function to further reduce the possibility of breakdown of the component, and may perform a voltage controlling function to control the voltage at the first node p.
In an embodiment, as shown in fig. 2, the second input module 2 may include a third resistance unit R3, a fourth resistance unit R4, and a first capacitance unit C1. Wherein, the first end of the third resistor unit R3 is used for receiving the electrode driving detection signal; the first end of the fourth resistor unit R4 is connected with the second end of the third resistor unit R3, the second end of the fourth resistor unit R4 is grounded, a second node q is arranged between the first end of the fourth resistor unit R4 and the second end of the third resistor unit R3, and the second node q is connected with the second input end of the comparison module 3; the first end of the first capacitor unit C1 is connected with the first end of the third resistor unit R3, and the second end of the first capacitor unit C1 is grounded to realize acquisition of electrode driving detection signals. The fourth resistor unit R4 may perform a voltage dividing function, further reduce the possibility of breakdown of the component, and perform a voltage controlling function to control the voltage at the second node q. And the first capacitance unit C1 can play a filtering effect, avoid interference and improve the accuracy of detection signals.
In an embodiment, the first resistor unit R1 and the second resistor unit R2 are configured to divide the electrode driving power supply signal to obtain a first acquisition signal, and the first node p is configured to output the first acquisition signal; the third resistor unit R3 and the fourth resistor unit R4 are configured to analyze the electrode driving detection signal to obtain a second acquisition signal, and the second node q is configured to output the second acquisition signal. Further, the comparing module 3 is configured to determine that the wearing is not performed when the first acquired signal is higher than the second acquired signal, and output a wearing detection signal, or determine that the wearing is performed when the first acquired signal is lower than the second acquired signal, and output a wearing detection signal.
For example, the comparison module 3 may include an integrated amplifier, as shown in fig. 2, in which the voltage at the first node p may be understood as a first acquisition signal, the voltage at the second node q may be understood as a second acquisition signal, and the comparison module 3 determines the wearing state by comparing the magnitudes of the voltages at the two nodes, and outputs a wearing detection signal. Specifically, the same-direction input end of the integrated amplifier is respectively connected with one end of the first resistor unit R1 and one end of the second resistor unit R2, and the reverse input end of the integrated amplifier is respectively connected with one end of the third resistor unit R3 and one end of the fourth resistor unit R4 so as to control the voltage drop proportion and realize the obvious difference of the pressure difference between the first node p and the second node q. Therefore, when the wearing detection circuit is in an unworn state, namely the electrodes are not communicated, when Vp is larger than Vq, the EMS CHECK1 outputs a high level, and the electrodes do not output pulse signals; if the electrode is connected when the EMS CHECK1 is in the wearing state, that is, when Vp is smaller than Vq, the EMS CHECK1 outputs a signal at a low level. Therefore, the comparison module 3 compares the first acquired signal with the second acquired signal, that is, compares the voltages at the first node p and the second node q, and determines whether the first node p and the second node q are in a wearing state according to the comparison result, so as to avoid false triggering phenomenon when the first node p and the second node q are not worn.
It should be noted that fig. 2 above only shows an example of a circuit structure of the wear detection circuit 10, and other modified circuit structures based on the circuit structure are also within the scope of the embodiments of the present invention.
The wearing detection circuit 10 according to the embodiment of the present invention is further illustrated in fig. 3, where (a) in fig. 3 is a waveform diagram generated by using the circuit shown in fig. 1 in the prior art, and (b) in fig. 3 is a waveform diagram generated by using the wearing detection circuit according to the embodiment of the present invention, as can be seen by comparing the two waveform diagrams, when the circuit shown in fig. 1 in the prior art is used, a tailing phenomenon exists in a low level part of the waveform, that is, when the circuit is not actually worn, an EMSCHECK1 signal is misemitted due to signal delay, and a false triggering phenomenon occurs; when the circuit provided by the embodiment of the invention is adopted, the detection signal is rectangular wave, the low-level output is detected when the circuit is not worn, the high-level output is detected when the circuit is worn, and the signal tailing phenomenon, namely the false triggering phenomenon, does not occur. Namely, the wearing detection circuit 10 of the embodiment of the invention can achieve the effects of adjusting distortion and preventing signal errors, and improves the accuracy and stability of signal detection.
Therefore, according to the wear detection circuit 10 of the embodiment of the present invention, the comparison module 3 compares the electrode driving power supply signal and the electrode driving detection signal to determine whether the user wears, and outputs the worn detection signal when the user determines to wear, or outputs the unworn detection signal when the user determines to unworn, that is, the electrode is driven only in the wearing state, so that false triggering phenomenon when the user does not wear can be avoided, use safety is ensured, and user experience is improved.
A second aspect of the present invention provides a neck massage apparatus, as shown in fig. 4, which includes a body 20 and the wear detection circuit 10 provided in the above embodiment.
In the embodiment, the body 20 is provided with a first electrode 4, a second electrode 5, an electrode driving circuit 6 and a controller 7, wherein the electrode driving circuit 6 is respectively connected with the first electrode 4 and the second electrode 5, and the electrode driving circuit 6 comprises a power supply end and a wearing detection end; and the wearing detection circuit 10 is respectively connected with the power supply end and the wearing detection end to obtain an electrode driving power supply signal and an electrode driving detection signal.
In the embodiment, when the neck massage device is not worn, the voltage of the power supply end is greater than the voltage of the wearing detection end, and the voltage at the two end points is further distinguished through the wearing detection circuit 10 to determine whether the user wears the neck massage device, specifically, when the first electrode 4 is not communicated with the second electrode 5, namely in an unworn state, the electrode driving power supply signal detected by the wearing detection circuit 10 is greater than the electrode driving detection signal, namely the voltage of the power supply end is greater than the voltage of the wearing detection end, and the unworn detection signal is output to the controller 7, and the controller 7 controls the electrode driving circuit to be inoperative, namely can not drive the first electrode 4 and the second electrode 5 to operate; when the first electrode 4 is connected to the second electrode 5, i.e. in a worn state, the electrode driving power supply signal detected by the wear detection circuit 10 is smaller than the electrode driving detection signal, i.e. the power supply terminal voltage is smaller than the wear detection terminal voltage, and the wear detection signal is output to the controller 7, and the controller 7 controls the electrode driving circuit to work, i.e. drives the first electrode 4 and the second electrode 5 to operate, so as to achieve the effect of neck massage.
According to the neck massage device provided by the embodiment of the invention, the wearing detection circuit 10 provided by the embodiment can drive the first electrode 4 and the second electrode 5 to work after the user is determined to wear, so that false triggering phenomenon when the user does not wear the neck massage device is avoided, the wearing state detection accuracy is improved, and the user experience is improved.
In an embodiment, as shown in fig. 4, the neck massage device of the embodiment of the present invention further includes a level conversion unit 8 connected to the controller 7 and the electrode driving circuit 6, respectively, for converting level signals between the controller 7 and the electrode driving circuit 6. Specifically, fig. 5 is a schematic structural diagram of a level shifter unit according to an embodiment of the present invention, and as shown in fig. 5, a first output terminal CA and a second output terminal CB of the level shifter unit 8 are respectively connected to two pins of the electrode driving circuit 6, and an EMSA terminal and an EMSB terminal of the level shifter unit 8 are respectively connected to two pins of the controller 7.
The electrode driving circuit 6 of the neck massage apparatus according to the embodiment of the present invention will be further described with reference to fig. 6. In one embodiment, the electrode driving circuit 6 includes a first switching tube module 11, a second switching tube module 12, a third switching tube module 13, and a fourth switching tube module 14. The vcc_hv1 terminal shown in fig. 6 is a power supply terminal; the EMS OUT1 shown in fig. 6 is a connection terminal with the first electrode 4, i.e., a third node; the EMS OUT2 shown in fig. 6 is a connection terminal with the second electrode 5, i.e., a fourth node; the VB end shown in FIG. 6 is the wearing detection end.
As shown in fig. 6, a first end of the first switching tube module 11 is connected with a first end of the second switching tube module 12, a power supply end is arranged between the first end of the first switching tube module 11 and the first end of the second switching tube module 12, and the power supply end is connected with a power supply and wearing detection circuit 10; the second end of the first switching tube module 11 is connected with the first end of the third switching tube module 13, a third node is arranged between the second end of the first switching tube module 11 and the first end of the third switching tube module 13, and the third node is connected with the first electrode 4; a second end of the second switching tube module 12 is connected with a first end of the fourth switch Guan Mokuai 14, a fourth node is arranged between the second end of the second switching tube module 12 and the first end of the fourth switch Guan Mokuai, and the fourth node is connected with the second electrode 5; the second end of the third switching tube module 13 is connected with the second end of the fourth switch Guan Mokuai 14, and a wearing detection end is arranged between the second end of the third switching tube module 13 and the second end of the fourth switch Guan Mokuai; the control end of the first switching tube module 11 and the control end of the fourth switch Guan Mokuai 14 are connected to the first output end CA of the level shifter 8, and the control end of the second switching tube module 12 and the control end of the third switching tube module 13 are connected to the second output end CB of the level shifter 8. Therefore, according to the connection state and the power supply state of the electrodes, the power supply end and the wearing detection end provide electrode driving power supply signals and electrode driving detection signals for the wearing detection circuit 10, so that data acquisition is realized.
In an embodiment, as shown in fig. 6, the first switching tube module 11 includes a first switching tube Q1, a fifth resistance unit R5, and a sixth resistance unit R6, and the second switching tube module 12 includes a second switching tube Q2, a seventh resistance unit R7, and an eighth resistance unit R8. Each resistor unit may include a single resistor, or may be composed of a plurality of resistors connected in series or parallel or series-parallel, for example, a single resistor is illustrated in fig. 6.
The first end of the first switching tube Q1 is connected with the first end of the second switching tube Q2, a power supply end is arranged between the first end of the first switching tube Q1 and the first end of the second switching tube Q2, the control end of the first switching tube Q1 is connected with the first output end CA of the level conversion unit 8 through the sixth resistance unit R6, and one end of the fifth resistance unit R5 is connected between the control end of the first switching tube Q1 and one end of the sixth resistance unit R6; the control end of the second switching tube Q2 is connected with the second output end CB of the level conversion unit 8 through an eighth resistor unit R8, the first end of a seventh resistor unit R7 is connected with the first end of the second switching tube Q2, and the second end of the seventh resistor unit R7 is connected between the control end of the second switching tube Q2 and one end of the eighth resistor unit R8.
In an embodiment, as shown in fig. 6, the third switching tube module 13 includes a third switching tube Q3, a ninth resistance unit R9, and a tenth resistance unit R10, and the fourth switching tube module 14 includes a fourth switching tube Q4, an eleventh resistance unit R11, and a twelfth resistance unit R12. The first end of the third switching tube Q3 is connected with the second end of the first switching tube Q1, a third node is arranged between the first end of the third switching tube Q3 and the second end of the first switching tube Q1, the first end of the fourth switching tube Q4 is connected with the second end of the second switching tube Q2, a fourth node is arranged between the first end of the fourth switching tube Q4 and the second end of the second switching tube Q2, the second end of the third switching tube Q3 is connected with the second end of the fourth switching tube Q4, and a wearing detection end is arranged between the second end of the third switching tube Q3 and the second end of the fourth switching tube Q4; the control end of the third switching tube Q3 is connected with the second output end CB of the level conversion unit 8 through a tenth resistor unit R10, the first end of a ninth resistor unit R9 is connected with the first end of the third switching tube Q3, and the second end of the ninth resistor unit R9 is connected between the control end of the third switching tube Q3 and one end of the tenth resistor unit R10; the control end of the fourth switching tube Q4 is connected to the first output end CA of the level conversion unit 8 through a twelfth resistor unit R12, the first end of the eleventh resistor unit R11 is connected to the first end of the fourth switching tube Q4, and the second end of the eleventh resistor unit R11 is connected between the control end of the fourth switching tube Q4 and one end of the twelfth resistor unit R12.
The above fig. 6 only shows an example of a circuit structure of the electrode driving circuit 6, and other modified circuit structures based on this circuit structure are also within the scope of the embodiments of the present invention.
Therefore, according to the neck massage device of the embodiment of the present invention, the wearing detection circuit 10 and the electrode driving circuit 6 provided by the above embodiment cooperate with each other, as shown in fig. 6, when not worn, that is, when the first output end CA end is closed and the second output end CB end is opened, as the second output end CB end is opened, the electric charge at the emitter end of the first switch tube Q1 moves to the wearing detection end, that is, the VB end, at this time, since the first electrode 4 and the second electrode 5 are not connected, the wearing detection circuit 10 shown in fig. 2 still detects that the electrode driving power supply signal is higher than the electrode driving detection signal, and the turn-on circuit does not send the EMS CHECK1 signal by mistake, resulting in misoperation, thereby avoiding false triggering phenomenon when not worn, improving accuracy of wearing state detection, ensuring use safety, and improving user experience.
An embodiment of a third aspect of the present invention provides a wearing detection method, as shown in fig. 7, where the wearing detection method of the embodiment of the present invention includes steps S1-S2.
Step S1, an electrode driving power supply signal and an electrode driving detection signal are obtained.
In the embodiment, the wearing detection circuit provided in the above embodiment is connected to the power supply end and the wearing detection end of the electrode driving circuit respectively, so as to obtain the electrode driving power supply signal and the electrode driving detection signal.
And S2, comparing the electrode driving power supply signal with the electrode driving detection signal, determining the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal, and outputting the wearing detection signal.
In the embodiment, the comparison module in the wearing detection circuit provided by the embodiment compares the acquired electrode driving power supply signal and the electrode driving detection signal, determines the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal, and outputs the wearing detection signal to the controller, namely the wearing detection method provided by the embodiment of the invention compares the driving power supply signal and the driving detection signal through the comparison module, namely the phase difference amplitude of the driving power supply signal and the driving detection signal is compared, and only when the phase difference reaches a certain amplitude, the signal of the comparison module is turned over, namely the wearing state is converted. Therefore, the comparison module determines the wearing state according to the comparison result, so that the signal of the driving electrode can be output only when the device is in the worn state, and the signal of the driving electrode can not be output under other conditions, thereby preventing false triggering when the device is not worn, avoiding the stinging phenomenon and ensuring the use safety.
Specifically, when the electrode driving power supply signal is higher than the electrode driving detection signal, determining that the neck massage device is not worn, and outputting the non-wearing detection signal; or when the electrode driving power supply signal is lower than the electrode driving detection signal, the worn neck massage device is determined, the worn detection signal is output, and the controller controls the driving state of the electrode according to the detection signal, so that the electrode is prevented from being triggered by mistake when the neck massage device is not worn.
According to the wearing detection method provided by the embodiment of the invention, the acquired electrode driving power supply signal is compared with the electrode driving detection signal to determine the wearing state according to the comparison result and output the wearing detection signal, so that the corresponding wearing detection signal can be output after the user is determined whether to wear or not, the user can be prevented from being triggered by mistake when the user does not wear the neck massage device, the accuracy of detecting the wearing state of the neck massage device is improved, and the user experience is improved.
In an embodiment, for comparing the electrode driving power supply signal and the electrode driving detection signal, and determining a wearing state according to a comparison result of the electrode driving power supply signal and the electrode driving detection signal, outputting the wearing detection signal may include dividing the voltage of the electrode driving power supply signal to obtain a first acquisition signal, and dividing the voltage of the electrode driving detection signal to obtain a second acquisition signal, so as to facilitate control of the voltage of the acquisition signal in a voltage division manner, avoid potential electrical hazards caused by overhigh voltage, and further judge the acquisition signal by the comparison module, and when the first acquisition signal is higher than the second acquisition signal, determine that the neck massage device is not worn, and output the unworn detection signal; or when the first acquisition signal is lower than the second acquisition signal, determining that the neck massage device is worn, and outputting a worn detection signal. Thereby improving the accuracy of detecting the wearing state of the neck massage device, preventing the false triggering of a user when the neck massage device is not worn, and improving the user experience.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (8)
1. A wear detection circuit for a neck massage device, comprising:
the first end of the first input module is used for receiving an electrode driving power supply signal;
the first end of the second input module is used for receiving an electrode driving detection signal;
the first input end of the comparison module is connected with the second end of the first input module, the second input end of the comparison module is connected with the second end of the second input module, and the comparison module is used for determining the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal and outputting the wearing detection signal;
The first input module includes:
the first end of the first resistance unit is used for receiving the electrode driving power supply signal;
the first end of the second resistor unit is connected with the second end of the first resistor unit, the second end of the second resistor unit is grounded, a first node is arranged between the first end of the second resistor unit and the second end of the first resistor unit, and the first node is connected with the first input end of the comparison module;
the second input module includes:
a third resistance unit having a first end for receiving an electrode driving detection signal;
the first end of the fourth resistor unit is connected with the second end of the third resistor unit, the second end of the fourth resistor unit is grounded, a second node is arranged between the first end of the fourth resistor unit and the second end of the third resistor unit, and the second node is connected with the second input end of the comparison module;
the first end of the first capacitor unit is connected with the first end of the third resistor unit, and the second end of the first capacitor unit is grounded;
The first resistor unit and the second resistor unit are used for dividing the electrode driving power supply signal to obtain a first acquisition signal, and the first node is used for outputting the first acquisition signal;
the third resistor unit and the fourth resistor unit are used for analyzing the electrode driving detection signal to obtain a second acquisition signal, and the second node is used for outputting the second acquisition signal;
the comparison module is used for determining that the detection signal is not worn when the first acquisition signal is higher than the second acquisition signal and outputting the detection signal which is not worn, or determining that the detection signal is worn when the first acquisition signal is lower than the second acquisition signal and outputting the detection signal which is worn.
2. A neck massage device, comprising:
the electrode driving circuit is respectively connected with the first electrode and the second electrode, and comprises a power supply end and a wearing detection end;
the wear detection circuit of claim 1, the wear detection circuit being connected to the power supply, the wear detection, and the controller, respectively, to obtain an electrode drive power supply signal and an electrode drive detection signal.
3. The neck massage apparatus of claim 2, wherein the neck massage apparatus further comprises:
and the level conversion unit is respectively connected with the controller and the electrode driving circuit and is used for converting level signals between the controller and the electrode driving circuit.
4. The neck massage apparatus of claim 3, wherein the electrode driving circuit comprises a first switch Guan Mokuai, a second switch tube module, a third switch tube module and a fourth switch Guan Mokuai, wherein,
the first end of the first switching tube module is connected with the first end of the second switching tube module, the power supply end is arranged between the first end of the first switching tube module and the first end of the second switching tube module, and the power supply end is connected with a power supply and the wearing detection circuit;
the second end of the first switching tube module is connected with the first end of the third switching tube module, a third node is arranged between the second end of the first switching tube module and the first end of the third switching tube module, and the third node is connected with the first electrode;
the second end of the second switching tube module is connected with the first end of the fourth switching tube module, a fourth node is arranged between the second end of the second switching tube module and the first end of the fourth switching tube module, and the fourth node is connected with the second electrode;
The second end of the third switching tube module is connected with the second end of the fourth switching tube module, and the wearing detection end is arranged between the second end of the third switching tube module and the second end of the fourth switching tube module;
the control end of the first switching tube module and the control end of the fourth switching tube module are connected to the first output end of the level conversion unit, and the control end of the second switching tube module and the control end of the third switching tube module are connected to the second output end of the level conversion unit.
5. The neck massage apparatus according to claim 4, wherein,
the first switching tube module comprises a first switching tube, a fifth resistance unit and a sixth resistance unit;
the second switching tube module comprises a second switching tube, a seventh resistance unit and an eighth resistance unit;
the first end of the first switching tube is connected with the first end of the second switching tube, the power supply end is arranged between the first end of the first switching tube and the first end of the second switching tube, the control end of the first switching tube is connected with the first output end of the level conversion unit through the sixth resistance unit, and one end of the fifth resistance unit is connected between the control end of the first switching tube and one end of the sixth resistance unit;
The control end of the second switching tube is connected with the second output end of the level conversion unit through the eighth resistance unit, the first end of the seventh resistance unit is connected with the first end of the second switching tube, and the second end of the seventh resistance unit is connected between the control end of the second switching tube and one end of the eighth resistance unit.
6. The neck massage apparatus according to claim 5, wherein,
the third switching tube module comprises a third switching tube, a ninth resistance unit and a tenth resistance unit;
the fourth switching tube module comprises a fourth switching tube, an eleventh resistance unit and a twelfth resistance unit;
the first end of the third switching tube is connected with the second end of the first switching tube, the third node is arranged between the first end of the third switching tube and the second end of the first switching tube, the first end of the fourth switching tube is connected with the second end of the second switching tube, the fourth node is arranged between the first end of the fourth switching tube and the second end of the second switching tube, the second end of the third switching tube is connected with the second end of the fourth switching tube, and the wearing detection end is arranged between the second end of the third switching tube and the second end of the fourth switching tube;
The control end of the third switching tube is connected with the second output end of the level conversion unit through the tenth resistance unit, the first end of the ninth resistance unit is connected with the first end of the third switching tube, and the second end of the ninth resistance unit is connected between the control end of the third switching tube and one end of the tenth resistance unit;
the control end of the fourth switching tube is connected with the first output end of the level conversion unit through the twelfth resistance unit, the first end of the eleventh resistance unit is connected with the first end of the fourth switching tube, and the second end of the eleventh resistance unit is connected between the control end of the fourth switching tube and one end of the twelfth resistance unit.
7. A wearing detection method for the neck massage apparatus according to any one of claims 2 to 6, comprising:
acquiring an electrode driving power supply signal and an electrode driving detection signal;
and comparing the electrode driving power supply signal with the electrode driving detection signal, determining the wearing state according to the comparison result of the electrode driving power supply signal and the electrode driving detection signal, and outputting the wearing detection signal.
8. The wearing detection method according to claim 7, wherein comparing the electrode driving power supply signal and the electrode driving detection signal, and determining a wearing state based on a result of comparing the electrode driving power supply signal and the electrode driving detection signal, and outputting a wearing detection signal, comprises:
dividing the electrode driving power supply signal to obtain a first acquisition signal, and dividing the electrode driving detection signal to obtain a second acquisition signal;
the first acquisition signal is higher than the second acquisition signal, the neck massage device is determined to be not worn, and a non-wearing detection signal is output;
or if the first acquisition signal is lower than the second acquisition signal, determining that the neck massage device is worn, and outputting a worn detection signal.
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| CN202010209256.9A CN111375126B (en) | 2020-03-23 | 2020-03-23 | Wearing detection circuit, neck massage device and wearing detection method |
| PCT/CN2021/074853 WO2021190150A1 (en) | 2020-03-23 | 2021-02-02 | Wearing detection circuit, neck massage device and wearing detection method |
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| CN202010209256.9A CN111375126B (en) | 2020-03-23 | 2020-03-23 | Wearing detection circuit, neck massage device and wearing detection method |
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| WO2021190150A1 (en) * | 2020-03-23 | 2021-09-30 | 未来穿戴技术有限公司 | Wearing detection circuit, neck massage device and wearing detection method |
| CN112138279A (en) * | 2020-08-25 | 2020-12-29 | 未来穿戴技术有限公司 | Pulse signal output control method and device, massage equipment and storage medium |
| CN115192906B (en) * | 2022-07-14 | 2023-03-10 | 珠海荣源电子科技有限公司 | Control circuit of bluetooth massage appearance |
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| CN107783459A (en) * | 2016-08-31 | 2018-03-09 | 厦门雅迅网络股份有限公司 | The detecting system and method that a kind of electrostatic hand ring is not worn |
| CN208574128U (en) * | 2017-08-18 | 2019-03-05 | 江苏德长医疗科技有限公司 | It can prevent the Worn type electro photoluminescence lower limb walking aid device of false triggering |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107783459A (en) * | 2016-08-31 | 2018-03-09 | 厦门雅迅网络股份有限公司 | The detecting system and method that a kind of electrostatic hand ring is not worn |
| CN208574128U (en) * | 2017-08-18 | 2019-03-05 | 江苏德长医疗科技有限公司 | It can prevent the Worn type electro photoluminescence lower limb walking aid device of false triggering |
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Address after: 518000 23af, building 3, zhongkefa Park, No. 009, Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Future wear (Shenzhen) Co.,Ltd. Address before: 27th floor, building 3, science research development park, no.009, gaoxinnan 1st Road, high tech Zone, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: GUANGDONG SKG INTELLIGENT TECHNOLOGY Co.,Ltd. Address after: 518000 23af, building 3, zhongkefa Park, No. 009, Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant after: Future wearable technology Co.,Ltd. Address before: 518000 23af, building 3, zhongkefa Park, No. 009, Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen City, Guangdong Province Applicant before: Future wear (Shenzhen) Co.,Ltd. |
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Address after: 23af, building 3, zhongkekefa Park, 009 Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Future wear Health Technology Co.,Ltd. Address before: 23af, building 3, zhongkekefa Park, 009 Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Future wearable technology Co.,Ltd. Address after: 23af, building 3, zhongkekefa Park, 009 Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Future wearable technology Co.,Ltd. Address before: 23af, building 3, zhongkekefa Park, 009 Gaoxin South 1st Road, high tech Zone community, Yuehai street, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: Future wearable technology Co.,Ltd. |