CN208769771U - A kind of heart rate monitoring unit and wearable device - Google Patents
A kind of heart rate monitoring unit and wearable device Download PDFInfo
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- CN208769771U CN208769771U CN201721847076.3U CN201721847076U CN208769771U CN 208769771 U CN208769771 U CN 208769771U CN 201721847076 U CN201721847076 U CN 201721847076U CN 208769771 U CN208769771 U CN 208769771U
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- light
- heart rate
- baffle
- monitoring unit
- rate monitoring
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Abstract
The utility model discloses a kind of heart rate monitoring unit and wearable device, heart rate monitoring unit includes shell, circuit board, light-emitting component, light-sensitive element, baffle；The circuit board is installed in the shell；The light-emitting component includes at least one, and fixes on the underside of the circuit board, is the light source of heart rate monitoring unit；The light-sensitive element is fixed on the underside of the circuit board, and the reflected light of tissue is received；The baffle includes at least one, and between the light-emitting component and the light-sensitive element comprising first end, second end；The first end is fixed on the underside of the circuit board.A kind of wearable device is equipped with above-mentioned heart rate monitoring unit.Using a kind of heart rate monitoring unit and wearable device of the utility model, it is mapped to light-sensitive element since the light of its light source for being used to measure will not be scattered or be leaked, so that light-sensitive element is only received the reflected light of tissue, improves the precision of its heart rate measurement.
Description
Technical field
The utility model relates to physiology monitoring fields, specifically, being to be related to a kind of heart rate monitoring unit and wearable set
It is standby.
Background technique
Carrying out rhythm of the heart by PPG (PhotoPlethysmoGraphy photoelectricity volume scanning method) at present is intelligent wearing
The standard configuration function of product.The principle of PPG rhythm of the heart is, since blood has absorption to light, reflection, and transmission effect；Arteries
With the rhythmical contraction diastole of heartbeat, blood flow changes therewith, and absorbing amount and volume reflection also generate regular variation, causes
The regularity variation of light-sensitive element photoelectric current, to calculate user's heart rate.The general green LED of PPG heart rate device is as light at present
Source causes the precision of PPG heart rate device to be affected to some extent the phenomenon that scattering, the leakage on the access of light there are light are penetrated.
In order to solve this problem, existing product using smeared in light transmitting sheet between light source and photosensitive part ink into
Row stops on light transmitting sheet reflection source to light-sensitive element, but light source scattering, leakage still can not be stopped to be mapped on light-sensitive element, nothing
Method eliminates its influence to the precision of heart rate measurement.
In order to preferably eliminate light source scattering, influence of the bring to heart rate measurement precision is penetrated in leakage, and existing product carries out
It improves below, the structural member being fixed with one using light transmitting sheet is arranged between light source and light-sensitive element, although considerably reducing
Light source scattering or the light that is mapped on light-sensitive element of leakage, improve the precision of heart rate measurement, but structural member and carrying light source and
Still there is certain gap between the circuit board of light-sensitive element, cause a small amount of light leakage, or the precision to heart rate measurement
It has a certain impact.
Summary of the invention
The utility model provides a kind of heart rate monitoring unit and wearable device, effectively blocks light source scattering or leakage is penetrated
Onto light-sensitive element, the precision of rhythm of the heart is improved.
In order to solve the above technical problems, the utility model is achieved using following technical scheme:
A kind of heart rate monitoring unit, comprising: shell, circuit board, light-emitting component, light-sensitive element, baffle；The circuit board peace
Loaded in the shell；The light-emitting component includes at least one, and fixes on the underside of the circuit board, is rhythm of the heart
The light source of device；The light-sensitive element is fixed on the underside of the circuit board, and the reflected light of tissue is received；It is described
Baffle includes at least one, and between the light-emitting component and the light-sensitive element comprising first end, second end；Institute
First end is stated to fix on the underside of the circuit board.
Preferably, the light-emitting component, the light-sensitive element, the baffle the first end be welded on the circuit
On the bottom surface of plate.
As a kind of specific structure design of the heart rate monitoring unit, the heart rate monitoring unit further includes light transmission
Plate；Installation through-hole is provided on the bottom plate of the shell, the light-transmitting plate is fixed in the installation through-hole.
In order to fix the baffle, it is respectively arranged on the inner face of the light-transmitting plate with the second end of the baffle
The clamping structure being mutually adapted, and position corresponds to each other；The second end of the light-transmitting plate and the baffle, which clamps, to be connected.
Preferably, the clamping structure of the light-transmitting plate inner face is hook；The second end of the baffle it is described
Clamping structure is card slot.
Further, the baffle is bar shaped plate structure, the shape of the second end and the inner face of the light-transmitting plate
Shape installation adaptation.
As a kind of specific structure design of the heart rate monitoring unit, the light-emitting component includes the first luminous member
Part, the second light-emitting component；The light-sensitive element is between first light-emitting component and second light-emitting component；The gear
Plate includes first baffle, second baffle, is located between first light-emitting component and the light-sensitive element and described
Between two light emitting and the light-sensitive element.
Further, the second end of the first baffle is provided with the first card slot；Described the of the second baffle
Two ends are provided with the second card slot；The position difference of the first baffle and the second baffle is corresponded on the inner face of the light-transmitting plate
It is provided with the first hook, the second hook, and is corresponded with first card slot and second card slot clamp connection respectively.
Preferably, the notch of first card slot and second card slot is relatively outwardly；First hook and described
The hook part of two hooks is relatively inwardly.
A kind of wearable device, equipped with above-mentioned heart rate monitoring unit.
Compared with prior art, the advantages of the heart rate monitoring unit and wearable device of the utility model and good effect
It is: using the heart rate monitoring unit and wearable device of the utility model due to being provided with fixation between light source and light-sensitive element
The baffle being connected on circuit board, and the connection between baffle and circuit board is seamless connection, so the light for blocking light source dissipates
It penetrates or leaks and be mapped on light-sensitive element, improve the precision of the heart rate measurement of heart rate monitoring unit and wearable device.
Detailed description of the invention
Fig. 1 is a kind of a kind of structural schematic diagram of the embodiment for heart rate monitoring unit that the utility model is proposed；
Fig. 2 is the enlarged drawing of the part in the circle in Fig. 1.
In figure, it is as follows that each label corresponds to title:
1, circuit board；2, light-emitting component；3, light-sensitive element；4, baffle；5, solder；6, light-transmitting plate；7, shell；11, bottom surface；
12, top surface；21, the first light-emitting component；22, the second light-emitting component；41, first baffle；42, second baffle；43, the first card slot；
44, the second card slot；61, inner face；62, outside；63, the first hook；64, the second hook；65, the first hook part；66, the second hook part；
71, bottom plate；72, installation through-hole；411, first end；412, second end；421, first end；422, second end.
Specific embodiment
With reference to the accompanying drawing to the specific embodiment of a kind of heart rate monitoring unit of the utility model and wearable device
It is described in more detail.
Referring to Figures 1 and 2, the heart rate monitoring unit of the utility model include circuit board 1, light-emitting component 2, light-sensitive element 3,
Baffle 4, shell 7.Circuit board 1 is located in shell 7；Light-emitting component 2 includes at least one, is fixed on the bottom surface 11 of circuit board 1
On；Light-sensitive element 3 is fixed on the bottom surface 11 of circuit board 1.Light-emitting component 2 and light-sensitive element 3 are faced into tissue, make to shine
It is absorbed in the illumination to tissue back reflection to light-sensitive element 3 that element 2 issues by light-sensitive element 3.Light is due to shining
On the blood of amount, so reflected light is different, different light is converted into the electric signal of fluctuation after being absorbed by light-sensitive element 3,
Heart rate is calculated by the frequency of the electric signal of identification fluctuation, so guaranteeing that the light that light-sensitive element 3 absorbs is to reflect from tissue
Light back by other light sources without being influenced with regard to extremely important.If from other light sources be mapped to light on light-sensitive element 3 or
The light of light-emitting component 2 is directly scattered or is leaked and is mapped on light-sensitive element 3, all will affect the precision of heart rate measurement.Baffle 4, until
It less include one, and including first end and second end；First end is fixed on the bottom surface 11 of circuit board 1, and is located at light-emitting component 2
Between light-sensitive element 3, it is mapped to light-sensitive element 3 for stopping the light of light-emitting component 2 to scatter or leak, and because baffle 4
One end is on the bottom surface 11 fixed to circuit board 1, so gap is not present in the bottom surface 11 of baffle 4 and circuit board 1, so shining
The light of element 2 will not be scattered or be leaked and be mapped on light-sensitive element 3, thus guarantee the purity for the light that light-sensitive element 3 receives, thus
Guarantee the precision of heart rate measurement.
A kind of wearable device is equipped with above-mentioned heart rate monitoring unit.Likewise, heart rate monitoring unit thereon uses
Light source be mapped on light-sensitive element 3 without scattering or leaking due to the blocking for baffle 4 being seamlessly connected with circuit board 1, improve
The precision of the heart rate measurement of wearable device.
Below by specific embodiment, the specific structure of heart rate monitoring unit and wearable device to the utility model
Design and working principle are described in detail.
Referring to FIG. 1 and FIG. 2, the light-emitting component 2 of the heart rate monitoring unit of the present embodiment includes two, and respectively first shines
Element 21 and the second light-emitting component 22, are respectively welded at the both sides of light-sensitive element 3；Baffle 4 includes two, respectively first baffle
41 and second baffle 42, first end be respectively welded on the bottom surface 11 of circuit board 1, and first baffle 41 be located at first shine member
Between part 21 and light-sensitive element 3, second baffle 42 is between the second light-emitting component 22 and light-sensitive element 3.First baffle 41 hinders
It keeps off in the light scattering or the quick element 3 of light leakage radiation of the first light-emitting component 21, and the weldering of the bottom surface 11 of first baffle 41 and circuit board 1
Material 5 makes between first baffle 41 and the bottom surface 11 of circuit board 1 for seamless connection, the same light scattering for stopping the first light-emitting component 21
Or leakage is mapped on light-sensitive element 3；Second baffle 42 stops the light scattering of the second light-emitting component 22 or leakage to be mapped to light-sensitive element 3
On, and the solder 5 of the bottom surface 11 of second baffle 42 and circuit board 1 makes between second baffle 42 and the bottom surface 11 of circuit board 1 for nothing
Seam connection, the same light scattering for stopping the second light-emitting component 22 or leakage are mapped on light-sensitive element 3.Light-sensitive element 3 is improved to receive
The purity of the light arrived, to improve the precision of heart rate monitoring unit heart rate measurement.The second of first baffle 41 and second baffle 42
End is respectively equipped with the first card slot 43, the second card slot 44, and the opening direction of the first card slot 43 and the second card slot 44 is relatively outwardly.
Referring to Figures 1 and 2, the heart rate monitoring unit of the utility model further includes light-transmitting plate 6；It is set on the bottom plate 71 of shell 7
There is installation through-hole 72, light-transmitting plate 6 is fixed in the installation through-hole 72 on the bottom plate 71 of shell 7.It is set on the inner face 61 of light-transmitting plate 6
Hook there are two setting, respectively the first hook 63, the second hook 64, and the free end of the first hook 63 are equipped with the first hook part 65,
The free end of second hook 64 is equipped with the second hook part 66；First hook 63 and the second hook 64 are located at the inner face of light-transmitting plate 6
The position of corresponding first card slot 43 and the second card slot 44 on 61, and the of the first hook part 65 of the first hook 63 and the second hook 64
Two hook parts 66 are relatively inwardly.First hook 63 and the second hook 64 are corresponded with the first card slot 43 and the second card slot 44 respectively to be blocked
Load connects.In addition, the shape of the second end 412 of first baffle 41 is adapted to the installation of the shape of the inner face 61 of light-transmitting plate 6；Second gear
The shape installation of the inner face 61 of the shape and light-transmitting plate 6 of the second end 422 of plate 42 is adapted to；And work as first baffle 41 and second baffle
42 clamp respectively with light-transmitting plate 6 when connecting, the second end 422 of the second end 412 of first baffle 41 and second baffle 42 respectively with
The inner face 61 of light-transmitting plate 6 be close to against；The knot for playing the ink on light-transmitting plate in the prior art or being connected on light-transmitting plate
The effect of component, stopping the light of light-emitting component 2 to be reflected on light-sensitive element 3 by the inner face 61 of light-transmitting plate 6 influences heart rate prison
Survey the precision of the heart rate measurement of device.
Referring to Fig.1, it is the wearable device equipped with heart rate monitoring unit, is Intelligent bracelet or smartwatch.Intelligence
The mounting means of the heartbeat detection device of bracelet or smartwatch meets the light-transmitting plate 6 in its wearing and is close to tissue, i.e.,
Meet light-emitting component and light-sensitive element face tissue, make light-emitting component as after light source luminescent after tissue reflects
It is received by light-sensitive element, and real-time heart rate is calculated according to the variation of the electric signal of light-sensitive element.So being equipped with heart rate monitoring unit
Intelligent bracelet or smartwatch surveyed since the structure of the heart rate monitoring unit of the utility model designs heart rate with higher
Accuracy of measurement.
Certainly, the above description is not intended to limit the present invention, and the utility model is also not limited to the example above,
The variations, modifications, additions or substitutions that those skilled in the art are made in the essential scope of the utility model,
It should also belong to the protection scope of the utility model.
Claims (10)
1. a kind of heart rate monitoring unit characterized by comprising
Shell；
Circuit board is installed in the shell；
At least one light-emitting component is fixed on the underside of the circuit board, is the light source of heart rate monitoring unit；
Light-sensitive element is fixed on the underside of the circuit board, receives the reflected light of tissue；
At least one baffle, between the light-emitting component and the light-sensitive element comprising first end, second end；Institute
First end is stated to fix on the underside of the circuit board.
2. heart rate monitoring unit according to claim 1, which is characterized in that the light-emitting component, the light-sensitive element, institute
The first end for stating baffle is welded on the underside of the circuit board.
3. heart rate monitoring unit according to claim 1, which is characterized in that further include light-transmitting plate；The bottom plate of the shell
On be provided with installation through-hole, the light-transmitting plate is fixed in the installation through-hole.
4. heart rate monitoring unit according to claim 3, which is characterized in that on the inner face of the light-transmitting plate with the gear
The second end of plate is respectively arranged with the clamping structure being mutually adapted, and position corresponds to each other；The light-transmitting plate and the gear
The second end of plate clamps connection.
5. heart rate monitoring unit according to claim 4, which is characterized in that the clamping structure of the light-transmitting plate inner face
For hook；The clamping structure of the second end of the baffle is card slot.
6. heart rate monitoring unit according to claim 5, which is characterized in that the baffle is bar shaped plate structure, described
The shape of second end is adapted to the installation of the shape of the inner face of the light-transmitting plate.
7. according to the described in any item heart rate monitoring units of claim 3 to 6, which is characterized in that
The light-emitting component includes the first light-emitting component, the second light-emitting component；
The light-sensitive element is between first light-emitting component and second light-emitting component；
The baffle includes first baffle, second baffle, be located at first light-emitting component and the light-sensitive element it
Between between second light-emitting component and the light-sensitive element.
8. heart rate monitoring unit according to claim 7, which is characterized in that
The second end of the first baffle is provided with the first card slot；The second end of the second baffle is provided with second
Card slot；
Corresponded on the inner face of the light-transmitting plate first baffle and the second baffle position be respectively arranged with the first hook,
Second hook, and corresponded with first card slot and second card slot clamp connection respectively.
9. heart rate monitoring unit according to claim 8, which is characterized in that first card slot and second card slot
Notch is relatively outwardly；The hook part of first hook and second hook is relatively inwardly.
10. a kind of wearable device, which is characterized in that equipped with any heart rate monitoring unit of the claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847076.3U CN208769771U (en) | 2017-12-26 | 2017-12-26 | A kind of heart rate monitoring unit and wearable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721847076.3U CN208769771U (en) | 2017-12-26 | 2017-12-26 | A kind of heart rate monitoring unit and wearable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208769771U true CN208769771U (en) | 2019-04-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721847076.3U Active CN208769771U (en) | 2017-12-26 | 2017-12-26 | A kind of heart rate monitoring unit and wearable device |
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| CN (1) | CN208769771U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192849A (en) * | 2019-05-31 | 2019-09-03 | 歌尔科技有限公司 | Intelligent wearable device |
| CN114190911A (en) * | 2021-12-17 | 2022-03-18 | 维沃移动通信有限公司 | Electronic device |
| WO2023279788A1 (en) * | 2021-07-06 | 2023-01-12 | Oppo广东移动通信有限公司 | Electronic device and wearable device |
-
2017
- 2017-12-26 CN CN201721847076.3U patent/CN208769771U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110192849A (en) * | 2019-05-31 | 2019-09-03 | 歌尔科技有限公司 | Intelligent wearable device |
| CN110192849B (en) * | 2019-05-31 | 2022-10-14 | 歌尔科技有限公司 | Wearable equipment of intelligence |
| WO2023279788A1 (en) * | 2021-07-06 | 2023-01-12 | Oppo广东移动通信有限公司 | Electronic device and wearable device |
| CN114190911A (en) * | 2021-12-17 | 2022-03-18 | 维沃移动通信有限公司 | Electronic device |
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