CN209122234U - A kind of multiple spot breath signal detection device based on reflected light - Google Patents
A kind of multiple spot breath signal detection device based on reflected light Download PDFInfo
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- CN209122234U CN209122234U CN201821875041.5U CN201821875041U CN209122234U CN 209122234 U CN209122234 U CN 209122234U CN 201821875041 U CN201821875041 U CN 201821875041U CN 209122234 U CN209122234 U CN 209122234U
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- transmitting set
- optical transmitting
- light
- porous disc
- breath signal
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
A kind of multiple spot breath signal detection device based on reflected light of the utility model belongs to Communication and Information Systems technical field；The device includes the optical transmitting set for emitting light beam, and the porous disc of optical transmitting set end is arranged in, and the video camera above optical transmitting set is arranged in, and the receiver board of same level is located at optical transmitting set, the reflecting plate in optical transmitting set transmitting optical path；Under the structure of utility model device, using the mirror-reflection principle of reflecting plate, the chest and abdomen apparent motion signal that breathing generates can be amplified, convenient for improving the accuracy of breath signal detection；The multichannel light issued by optical transmitting set through porous disc, it is radiated on reflecting plate, and through on baffle reflection to receiver board, the relation curve changed over time by multichannel light on camera record receiver board, the purpose for realizing while obtaining the breath signal at the multiple positions of human body, improves conventional efficient.
Description
Technical field
A kind of multiple spot breath signal detection device based on reflected light of the utility model belongs to Communication and Information Systems technology
Field.
Background technique
In the detection process of human body respiration signal, in the up and down direction (thorax abdomen heave direction) perpendicular to chest and abdomen plane
Direction on, human body chest and abdomen body surface motion amplitude is influenced maximum by respiratory movement.Therefore, what using Camera location, this side up
Chest and abdomen body surface can characterize human body respiration motion information with respirometric motion profile.The breathing of certain especial patients is more micro-
When weak, the lesser motion amplitude variation of chest and abdomen body surface, which may cause camera, can not detect the variation, not so as to cause detection
Accurate or detection failure.Previous detection breath signal can only once record the respiratory movement letter at some position of chest and abdomen body surface
Breath, causes conventional efficient to substantially reduce.
Utility model content
To solve the above-mentioned problems, the breath signal detection device based on reflected light that the utility model proposes a kind of, passes through
Amplify the movement of chest and abdomen body surface to improve breathing detection accuracy.
Purpose of the utility model is realized as follows:
A kind of multiple spot breath signal detection device based on reflected light, including the optical transmitting set for emitting light beam, setting
The video camera above optical transmitting set is arranged in porous disc in optical transmitting set end, is located at same level with optical transmitting set
Receiver board, positioned at optical transmitting set transmitting optical path on reflecting plate；The porous disc includes multiple circular holes, the optical transmitting set
Emit multi-path parallel light through the circular hole on porous disc, the reflecting plate is pasted on chest and abdomen surface, the quantity of reflecting plate and more
Hole number on the disk of hole is identical；The light emitted from optical transmitting set, by baffle reflection to receiver board, video camera is docked
Receive plate imaging；
Working principle is: the light beam angle with horizontal plane emitted from optical transmitting set isα, reflecting plate angle with horizontal plane isβ, thorax abdomen height change ishThe light spot position on receiver sheet can be caused to change H, receiver board imaging is obtained by video camera
Light spot position changes H, according to following formula:
Thorax abdomen height change, which is calculated, ish。
The above-mentioned multiple spot breath signal detection device based on reflected light, the optical transmitting set is by multiple disposed in parallel
Laser is composed, and each circular hole on the porous disc is located at the transmitting terminal of laser.
The above-mentioned multiple spot breath signal detection device based on reflected light, it is viscous on each circular hole on the porous disc
Post glass.
The above-mentioned multiple spot breath signal detection device based on reflected light, the optical transmitting set includes the laser set gradually
Device, pin hole and lens, the pin hole are located in front of laser, and pin hole is located at the back focus position of lens, issue from laser
Laser beam forms point light source through needle passing hole, is irradiated on porous disc using lens forming directional light；On the porous disc
Each circular hole on be pasted with glass.
The glass of different colours is pasted on each circular hole on the porous disc.
The utility model has the advantages that
The first, using the mirror-reflection principle of reflecting plate, the chest and abdomen apparent motion signal that breathing generates can be put
Greatly, convenient for the accuracy of raising breath signal detection；
The second, the multichannel light issued by optical transmitting set through porous disc, is radiated on reflecting plate, and anti-through reflecting plate
It is mapped on receiver board, the relation curve changed over time by multichannel light on camera record receiver board is realized while being obtained
The purpose of the breath signal at the multiple positions of human body, improves conventional efficient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of breath signal detection device of the utility model based on reflected light.
Fig. 2 is porous disc structural schematic diagram.
Fig. 3 is signal amplification principle figure.
Fig. 4 is the structural schematic diagram of optical transmitting set.
In figure: 1 optical transmitting set, 1-1 laser, 1-2 pin hole, 1-3 lens, 2 disks, 3 video cameras, 4 receiver boards, 5 reflections
Plate.
Specific embodiment
Specific embodiment of the present invention is described in further detail with reference to the accompanying drawing.
Specific embodiment one
A kind of multiple spot breath signal detection device based on reflected light, as shown in Figure 1, including being sent out for emitting the light of light beam
The porous disc 2 of 1 end of optical transmitting set is arranged in emitter 1, the video camera 3 of 1 top of optical transmitting set is arranged in, with optical transmitting set 1
Positioned at the receiver board 4 of same level, emit the reflecting plate 5 in optical path positioned at optical transmitting set 1；The porous disc 2 includes more
A circular hole, as shown in Fig. 2, the optical transmitting set 1 emits multi-path parallel light, the reflecting plate 5 through the circular hole on porous disc 2
It is pasted on chest and abdomen surface, the quantity of reflecting plate 5 is identical with the hole number on porous disc 2；The light emitted from optical transmitting set 1,
It is reflected on receiver board 4 by reflecting plate 5, receiver board 4 is imaged in video camera 3；
Working principle is: the light beam angle with horizontal plane emitted from optical transmitting set 1 isα, 5 angle with horizontal plane of reflecting plate
Forβ, thorax abdomen height change ishThe light spot position on receiver sheet 4 can be caused to change H, receiver board 4 is imaged by video camera 3
Change H to obtain light spot position, according to following formula:
Thorax abdomen height change, which is calculated, ish, as shown in Figure 3.
Specific embodiment two
The multiple spot breath signal detection device based on reflected light of the present embodiment, on the basis of specific embodiment one, into
One step limits the optical transmitting set 1 and is composed of multiple laser 1-1 disposed in parallel, every on the porous disc 2
A circular hole is located at the transmitting terminal of laser 1-1.
Present embodiments provide a kind of specific implementation structure of optical transmitting set 1.
Specific embodiment three
The multiple spot breath signal detection device based on reflected light of the present embodiment, on the basis of specific embodiment one, into
One step limits and is pasted with glass on each circular hole on the porous disc 2.
Specific embodiment four
The multiple spot breath signal detection device based on reflected light of the present embodiment, on the basis of specific embodiment one, into
It includes laser 1-1, pin hole 1-2 and the lens 1-3 set gradually that one step, which limits the optical transmitting set 1, as shown in figure 4, described
Pin hole 1-2 is located in front of laser 1-1, and pin hole 1-2 is located at the back focus position of lens 1-3, the laser issued from laser 1-1
Beam forms point light source through needle passing hole 1-2, forms directional light using lens 1-3 and is irradiated on porous disc 2；The porous disc
Glass is pasted on each circular hole on 2.
Present embodiments provide another specific implementation structure of optical transmitting set 1.
Specific embodiment five
The multiple spot breath signal detection device based on reflected light of the present embodiment, in specific embodiment three or specific embodiment
On the basis of four, the glass that different colours are pasted on each circular hole on the porous disc 2 is further limited.
Under the restriction of the present embodiment, different beam directional lights can show different colours, it is easier to be differentiated, be avoided each
Interference between road.
Claims (5)
1. a kind of multiple spot breath signal detection device based on reflected light, which is characterized in that including the light hair for emitting light beam
The porous disc (2) in optical transmitting set (1) end is arranged in emitter (1), the video camera (3) being arranged above optical transmitting set (1),
It is located at the receiver board (4) of same level with optical transmitting set (1), the reflecting plate (5) being located in optical transmitting set (1) transmitting optical path；
The porous disc (2) includes multiple circular holes, and the optical transmitting set (1) is flat through the circular hole transmitting multichannel on porous disc (2)
Row light, the reflecting plate (5) are pasted on chest and abdomen surface, and the quantity of reflecting plate (5) is identical with the hole number on porous disc (2)；
From optical transmitting set (1) emit light, be reflected on receiver board (4) by reflecting plate (5), video camera (3) to receiver board (4) at
Picture；
Working principle is: the light beam angle with horizontal plane emitted from optical transmitting set (1) isα, reflecting plate (5) angle with horizontal plane
Forβ, thorax abdomen height change ishThe light spot position on receiver sheet (4) can be caused to change H, by video camera (3) to receiver board
(4) it is imaged to obtain light spot position variation H, according to following formula:
Thorax abdomen height change, which is calculated, ish。
2. the multiple spot breath signal detection device according to claim 1 based on reflected light, which is characterized in that the light
Transmitter (1) is composed of multiple lasers (1-1) disposed in parallel, and each circular hole on the porous disc (2) is located at
The transmitting terminal of laser (1-1).
3. the multiple spot breath signal detection device according to claim 1 based on reflected light, which is characterized in that described porous
Glass is pasted on each circular hole on disk (2).
4. the multiple spot breath signal detection device according to claim 1 based on reflected light, which is characterized in that the light hair
Emitter (1) includes the laser (1-1), pin hole (1-2) and lens (1-3) set gradually, and the pin hole (1-2) is located at laser
In front of (1-1), pin hole (1-2) is located at the back focus position of lens (1-3), and the laser beam issued from laser (1-1) passes through needle
Hole (1-2) forms point light source, forms directional light using lens (1-3) and is irradiated on porous disc (2)；The porous disc
(2) glass is pasted on each circular hole on.
5. the multiple spot breath signal detection device according to claim 3 or 4 based on reflected light, which is characterized in that described
The glass of different colours is pasted on each circular hole on porous disc (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821875041.5U CN209122234U (en) | 2018-11-14 | 2018-11-14 | A kind of multiple spot breath signal detection device based on reflected light |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821875041.5U CN209122234U (en) | 2018-11-14 | 2018-11-14 | A kind of multiple spot breath signal detection device based on reflected light |
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| Publication Number | Publication Date |
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| CN209122234U true CN209122234U (en) | 2019-07-19 |
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|---|---|---|---|
| CN201821875041.5U Expired - Fee Related CN209122234U (en) | 2018-11-14 | 2018-11-14 | A kind of multiple spot breath signal detection device based on reflected light |
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| CN (1) | CN209122234U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960218A (en) * | 2019-10-31 | 2020-04-07 | 山东大学 | Human body breathing state monitoring device and method based on images |
| CN112842309A (en) * | 2021-01-07 | 2021-05-28 | 大连理工大学 | High spatial resolution heart vibration detection method based on light reflection identification |
-
2018
- 2018-11-14 CN CN201821875041.5U patent/CN209122234U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110960218A (en) * | 2019-10-31 | 2020-04-07 | 山东大学 | Human body breathing state monitoring device and method based on images |
| CN112842309A (en) * | 2021-01-07 | 2021-05-28 | 大连理工大学 | High spatial resolution heart vibration detection method based on light reflection identification |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190719 Termination date: 20201114 |