CN206560438U - Body surface potential detector and wearable device - Google Patents
Body surface potential detector and wearable device Download PDFInfo
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- CN206560438U CN206560438U CN201621331965.XU CN201621331965U CN206560438U CN 206560438 U CN206560438 U CN 206560438U CN 201621331965 U CN201621331965 U CN 201621331965U CN 206560438 U CN206560438 U CN 206560438U
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- detector
- wearable device
- surface potential
- body surface
- device body
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Abstract
The utility model provides a kind of body surface potential detector, for wearable device, it is characterized in that, the body surface potential detector includes device body, it is fixed on the potential difference detector on device body, it is arranged on the first signal acquisition terminal of device body bottom surface and is arranged on the secondary signal collection terminal of device body side or upper surface, first signal acquisition terminal and secondary signal collection terminal are connected with the detection input of the potential difference detector, first signal acquisition terminal is made up of multiple scattering devices in described device body bottom surface and the detecting electrode that is connected in series.The utility model additionally provides a kind of wearable device, it is characterised in that the wearable device includes the body surface potential detector on the face contacted with body.The utility model can provide reliable health data, such as heart rate data extensively with body electrical signals are detected in wearable device for user.
Description
Technical field
The utility model is related to a kind of detection means, especially a kind of body surface potential detection for wearable device
Device.
Background technology
Healthy data can be provided (for example at present：Heart rate data) wearable device (for example, intelligent watch, intelligence
Bracelet) it is mainly consumer entertainment electron-like product, all it is non-medical grade, its target as the device of human-body biological signal monitoring
User is mainly young people, and the physiological data degree of accuracy of measurement is not high.The measuring principle of these equipment is mainly based upon mostly
PPG photoelectric type measuring method, the data measured in movement environment are very inaccurate；In addition, the measurement detection process duration
Long, usually multi collect is averaged, and the speed of output data is slower, is caused user timely and effectively to acquire and is thought
The data wanted.
Other measuring methods are the measurements based on body surface electrical potential difference to provide health states data.Using this
Detection means used in the wearable device of the method for kind is provided with two signal acquisitions on the drain pan on skin-proximal surface mostly
Electrode.In view of the comfortableness of wearing, wearable device will not tightly be attached to body surface, typically have space and interval,
Often there is acquisition electrode and not good situation is contacted with body surface, difficulty is brought to accurate measurement.For example, for there is the potential heart
The targeted customer of the vascular diseases still Wearable heartbeat detection device without medical grade applicatory.
Utility model content
In order to overcome above mentioned problem, the utility model provides a kind of body surface potential detector, for wearable
Equipment, it is characterised in that the body surface potential detector includes device body, the electrical potential difference being fixed on device body
Detector, the first signal acquisition terminal for being arranged on device body bottom surface and be arranged on device body side or upper surface second
The detection input of signal acquisition terminal, first signal acquisition terminal and secondary signal collection terminal and the potential difference detector connects
Connect, first signal acquisition terminal is by multiple scattering devices in described device body bottom surface and the detecting electrode structure that is connected in series
Into.
Preferably, detecting electrode is arranged on the edge of the bottom surface of device body, so as to increase as much as possible detecting electrode it
Between distance.Preferably, the quantity of detecting electrode is two, three or four.
Preferably, reference signal collection terminal is additionally provided with the bottom surface of the device body, the reference with potential difference detector
Input is connected.Preferably, the reference signal collection terminal by multiple scattering devices in device body bottom surface and the ginseng that is connected in series
Examine electrode composition.Preferably, the quantity of reference electrode is two, three or four.Preferably, reference electrode is arranged on device sheet
The edge of the bottom surface of body, to increase the distance between reference electrode as much as possible.
It is highly preferred that the quantity of detecting electrode is two, the quantity of reference electrode is two, two detecting electrodes and two
Reference electrode is arranged in a crossed manner in the bottom surface of device body.
On the other hand, the utility model provide a kind of wearable device, it is characterised in that the wearable device with
Include the body surface potential detector on the face of body contact.Preferably, the wearable device is wrist-watch, bracelet or hand
Bracelet.
The body surface potential detector that the utility model is provided, the first letter is used as using the series connection of multiple detecting electrodes
Number collection terminal, in the case of can failing fully to fit with body surface in detection means bottom surface, as long as some or some detections
Electrode is contacted with skin, just can effectively provide input signal；Secondary signal collection terminal is arranged on side or the upper table of detection means
Face, for another location contacts with body, thus effectively extends the distance between measurement point.In addition, passing through multiple electricity
Pole series connection can improve the contact area of electrode and skin, and reduction contact impedance is there is provided common-mode rejection ratio, so as to obtain high noise
Than.Detection means of the present utility model improves the accuracy of detection data, and detection body electricity in wearable device can be used extensively
Signal, reliable health data, such as heart rate data are provided for user.
Brief description of the drawings
Fig. 1 is the utility model detection means and the connection diagram of wearable device.
Fig. 2 sets schematic diagram for a kind of electrode of embodiment of the present utility model.
Fig. 3 sets schematic diagram for the electrode of another embodiment of the present utility model.
Fig. 4 sets schematic diagram for the electrode of another embodiment of the present utility model.
Fig. 5 sets schematic diagram for the electrode of another embodiment of the present utility model.
Embodiment
The utility model is further described below in conjunction with accompanying drawing.
Fig. 1 is the connection diagram of body surface potential detector of the present utility model and wearable device.The detection
Device includes signal acquisition module and electrical potential difference detector module, and wearable device can provide power module, processor die
Block, display module and mobile terminal.Signal acquisition module includes the first signal acquisition terminal, and it is used for the first limbs with user
Location contacts；Secondary signal collection terminal, it is used to contact with the second body part of user；And optional reference signal is adopted
Collect end, respective input of these three signal acquisition terminals respectively with potential difference detector is connected.The potential difference detector can be
ECG sensor, such as AD8232 heart rate monitor sensors or BMD101 chips, to provide the ECG data of user.Place
Reason device module is handled the output detection data of potential difference detector, is then shown by display module, or by moving
Dynamic terminal carries out the long-distance transmissions of data.
Signal acquisition module part of the present utility model in the bottom surface of detection means by setting multiple inspections being connected in series
Survey electrode and secondary signal collection terminal is set as the first signal acquisition terminal and in the side of detection means or upper surface, it is effectively real
Data acquisition function is showed.
See Fig. 2, in one embodiment, two detecting electrodes 101 are provided with the bottom surface of detection means 100, this two
Individual detecting electrode 101 is used as the first signal acquisition terminal after electrically connecting.First signal end is used for a location contacts with limbs,
Such as wrist.Meanwhile, the side of detection means is provided with secondary signal collection terminal 105, connect for another position with limbs
Touch.In a kind of metering system, the first signal acquisition terminal can be allowed to be contacted with the left hand wrist of user, and secondary signal is gathered
End is contacted with the right hand of user, for example right hand pressing secondary signal collection terminal.Two signal acquisition terminals are thereby increased in body
The distance between contact point on surface, to obtain more preferably potential difference signal.The distance between two detecting electrodes 101,
Also increase as far as possible, be generally located on the edge of the bottom surface of detection means 100.For example, in Fig. 1, in broadly square inspection
On the bottom surface for surveying device 100, two detecting electrodes 101 are arranged on two relative folding corner regions.What is so set is other good
Place is also resided in, in the case of not being brought into close contact when the bottom surface of detection means 100 with wrist surface, as long as there is a contact aside wrist
Surface, just has a detecting electrode energy normal work, hence it is evident that improve electrical signal collection ability.In addition, with only with one
Detecting electrode is compared as the detection means of first input end, as the first signal acquisition terminal after multiple detecting electrode series connection, is led to
The contact area of electrode and skin can be improved by crossing electrode combination, reduce contact impedance, be carried in the case where driving force is fixed
High loop current, so as to obtain higher-quality collection signal.
Alternatively, reference electrode 102 can be provided with the bottom surface of detection means 100, as reference signal collection terminal, with
The reference input connection of potential difference detector, further to improve common mode inhibition capacity, obtains high s/n ratio.
Similarly, reference signal collection terminal can also be made up of multiple reference electrodes 102 being connected in series, such as Fig. 3, Fig. 4
Or shown by Fig. 5.
In figure 3, two detecting electrodes 101 and two reference electrodes 102, intersect setting.This setup can
During ensureing that the bottom surface of detection means 100 only has side and contacted with body surface, the first signal acquisition terminal and reference signal collection terminal are all
Can be with normal work.
Although being not preferred embodiment, two detecting electrodes 101 and two reference electrodes 102 are set as shown in Figure 3
It is also feasible to put.But this setup requires that at least one of the left side and right side of detection means 100 are contacted with body surface, first
Signal acquisition terminal and reference signal collection terminal just can be with normal works.
, can be in detection in order to further increase the probability of the first signal acquisition terminal and reference signal collection terminal normal work
The bottom surface of device 100 sets more detecting electrodes 101 and reference electrode 102.Fig. 4 shows a kind of such embodiment,
Wherein the first collection terminal is made up of three detecting electrodes 101, and reference signal collection terminal is made up of electric 102 pole of three references.Three
Detecting electrode 101 and three reference electrodes 102 are arranged in a crossed manner on the bottom surface of detection means.On the one hand the setting of multiple electrodes carries
The high probability contacted with body surface, while contact impedance is also reduced, so as to provide stronger body surface potential difference signal.
It is understood that setting more detecting electrodes 101 and reference electrode 102 preferably to complete body surface telecommunications
Number collecting work (such as under motion state, or in the case of user's wrist uneven surface), still, in view of detection dress
Put 100 itself size and production cost, it may be considered that two, three or four detecting electrodes 101 and one, two are set
Individual, three or four reference electrodes 102.
The bottom surface of the utility model detection means is not limited to specific shape, can be close square for what is shown in figure,
Can also be circle, oval, or other shapes., should when detection means of the present utility model is used in wearable device
The bottom enclosure that bottom surface is contacted usually as wearable device with body surface.Second collection input is generally arranged at by bottom
On the side wall upwardly extended, or in the case of the permission of wearable device shape, it is arranged on the upper surface of wearable device.May be used also
To set a feeler near the secondary signal collection terminal of the utility model detection means, for perceiving secondary signal
Whether collection terminal contacts with body part, so that trigger signal is detected.
Detection means of the present utility model is used in wearable device (such as including but is not limited to wrist-watch, bracelet, bracelet)
When, the body surface electric signals data that wearable device can export potential difference detector are sent to mobile terminal, and user can be
Data are checked on mobile terminal, the sensing data of acquisition can also be sent to server workstations, server work by mobile terminal
User data can be sent to hospital or the PC or mobile terminal of doctor again by making station, finally realize that medical worker is strong to wearer
The collection of health data (such as heart rate), helps to be used for the potential such as angiocardiopathy of user's identification or helps patient monitoring for example
Angiocardiopathy.
It will be appreciated by those skilled in the art that the feature of embodiment disclosed herein can be combined,
Rearrange etc. to produce other embodiments in the range of the utility model, various other changes, omission can also be carried out
And addition, without departing from spirit and scope of the present utility model.
Claims (10)
1. a kind of body surface potential detector, for wearable device, it is characterised in that the body surface potential detection
Device includes device body, the potential difference detector being fixed on device body, the first signal for being arranged on device body bottom surface
Collection terminal and the secondary signal collection terminal for being arranged on device body side or upper surface, first signal acquisition terminal and second
Signal acquisition terminal is connected with the detection input of the potential difference detector, and first signal acquisition terminal is by multiple scattering devices
Constituted in described device body bottom surface and the detecting electrode that is connected in series.
2. body surface potential detector as claimed in claim 1, it is characterised in that described detecting electrode is arranged on institute
The edge of the bottom surface of device body is stated, to increase the distance between described detecting electrode as much as possible.
3. body surface potential detector as claimed in claim 1, it is characterised in that the quantity of described detecting electrode is
Two, three or four.
4. body surface potential detector as claimed in claim 1, it is characterised in that in the bottom surface of described device body
Reference signal collection terminal is additionally provided with, is connected with the reference input of the potential difference detector.
5. body surface potential detector as claimed in claim 4, it is characterised in that described reference signal collection terminal bag
Multiple scattering devices are included in described device body bottom surface and the reference electrode that is connected in series.
6. body surface potential detector as claimed in claim 5, it is characterised in that the quantity of described reference electrode is
Two, three or four.
7. body surface potential detector as claimed in claim 6, it is characterised in that described reference electrode is arranged on institute
The edge of the bottom surface of device body is stated, to increase the distance between described reference electrode as much as possible.
8. body surface potential detector as claimed in claims 6 or 7, it is characterised in that the quantity of the detecting electrode
For two, the quantity of the reference electrode is two, and two detecting electrodes and two reference electrodes are at the bottom of described device body
Face is arranged in a crossed manner.
9. a kind of wearable device, it is characterised in that the wearable device includes claim 1 on the face contacted with body
To the body surface potential detector any one of 8.
10. wearable device as claimed in claim 9, it is characterised in that the wearable device is wrist-watch, bracelet or bracelet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331965.XU CN206560438U (en) | 2016-12-06 | 2016-12-06 | Body surface potential detector and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621331965.XU CN206560438U (en) | 2016-12-06 | 2016-12-06 | Body surface potential detector and wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206560438U true CN206560438U (en) | 2017-10-17 |
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ID=60029484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621331965.XU Active CN206560438U (en) | 2016-12-06 | 2016-12-06 | Body surface potential detector and wearable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206560438U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236657A1 (en) * | 2022-06-10 | 2023-12-14 | 荣耀终端有限公司 | Method for measuring blood pressure and electronic device |
-
2016
- 2016-12-06 CN CN201621331965.XU patent/CN206560438U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236657A1 (en) * | 2022-06-10 | 2023-12-14 | 荣耀终端有限公司 | Method for measuring blood pressure and electronic device |
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