CN209446456U - One kind is for sensing device existing for moisture absorption core excreta - Google Patents
One kind is for sensing device existing for moisture absorption core excreta Download PDFInfo
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- CN209446456U CN209446456U CN201822244574.XU CN201822244574U CN209446456U CN 209446456 U CN209446456 U CN 209446456U CN 201822244574 U CN201822244574 U CN 201822244574U CN 209446456 U CN209446456 U CN 209446456U
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- optical signal
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- guide lighting
- moisture absorption
- absorption core
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Abstract
One kind belonging to hygiene article sector, including light guide structure, optical signal transmitter, optical signal receiver, signal processing unit and alarm unit for sensing device existing for moisture absorption core excreta.Light guide structure is implanted in absorbent article core body, one end of light guide structure connects optical signal transmitter, the other end of light guide structure connects optical signal receiver, and optical signal transmitter and optical signal receiver are separately connected signal processing unit, and signal processing unit is also connected with alarm unit；Wherein, when excreta touches moisture absorption core surface or enters moisture absorption core, so that the optical signal of light guide structure conduction changes, after the optical signal that the optical signal that optical signal transmitter emits and optical signal receiver receive is compared analysis by signal processing unit, corresponding signal is issued to alarm unit.Light guide structure sensing region and sensing range have the advantages that extend, and can be constructed in any position of moisture absorption core, are more flexible to the use demand of moisture absorption core.
Description
Technical field
The utility model relates to hygiene article sectors, more particularly to one kind is for sensing the existing dress of moisture absorption core excreta
It sets.
Background technique
Current paper diaper, use polymer absorbent material in absorbent core, thus are absorbing urine, ventilative and keep dry
There is relatively good effect in refreshing efficiency, however, an investigation in Jiangsu Province, China and Zhejiang region in 2015 counts display, according to
So there is the puzzlement for suffering from red hip (diaper rash) there are about 53% infant, basic reason is the diaper rash of infant simultaneously
It is not as caused by urine, the mixture contact skin of excrement and urine causes bacterial infestation skin to be only diaper rash
The main reason for.
The key reason that can not solve diaper rash at present is excrement, because diaper rash is not because of simple because of urine
Liquid and occur, after the origin cause of formation key that diaper rash occurs is that excrement is mixed with urine, do not replace paper diaper in time, excrement mixes
Closing urine can not be absorbed by paper diaper, and the skin of buttock of wearer is in wet environment, thin in the urea and excrement in urine
Bacterium is combined together, and is decomposed to form the skin that wearer is stimulated with ammonia excitatory, the natural guarantor on wearer's skin of buttock
Sheath is gradually destroyed；Excrement mixes with urine and after the seat area residence time is longer, humidity and temperature inside paper diaper
Degree promotes fermentation to generate acidic materials, and digestive ferments and its decomposition product such as lipase, protease and urease in excrement continue
It stimulates wearer skin and skin is caused further to damage and infect, and then lead to diaper rash.
It can be seen that excrement continuous contact skin causes bacterial infestation skin to be only the main reason for diaper rash occurs, institute
With although paper diaper water suction is breathed freely, dry and comfortable technology development is so quick, and diaper rash illness rate does not decline significantly still.
Since 1961, disposable paper urine pants initially entered consumption market, since over half a century, global conventional paper urine
Trousers dealer always hardy using quickly absorb urine material technology as research direction, attempt to provide paper urine for wearer
Dry and comfortable a home from home inside piece, still, as soon as encounter can not absorbed excrement fail at once, the fact that presentation situation
It is that the case where no matter how dry and comfortable technology of nappy improves, the diaper rash that wearer suffers from does not improve significantly still.
Although in recent years, advanced material and production technology used by nappy, it is already possible to provide satisfactory
" dry and comfortable comfortable " degree, meanwhile, there are some enterprises both domestic and external to release the intelligent diaper concept that can detecte diaper humidity successively
Commodity, still, diaper rash illness rate do not decline significantly still.This is indicated, keeps diaper is dry and comfortable to urinate wet countermeasure with sensing,
It really can not effectively solve this pain spot of diaper rash.
In the past, there is " the urinating wet display figure " for being printed on paper diaper outer surface, in recent years, also has successively both at home and abroad
Some enterprises issue so-called " intelligent paper diaper " commodity, its working principle is that be mostly using paper diaper absorb urine it
Afterwards, the air humidity on the outside of paper diaper can increase, therefore be changed using the humidity on the outside of sensing paper diaper, so that it may sense
To the urine-wetting signal of paper diaper, thus to detect the technology of diaper humidity as means, then via mechanics of communication, caretaker is reminded
Paper diaper can be replaced in time, are hoped and are notified caretaker that more diaper-exchanging solves the generation of diaper rash in time by urine-wetting signal.
But this kind of sensing, which urinates wet technological means, may urinate ten for several times despite newborn baby one day, allow the mother for looking after baby
It has to run around all the time wears him out, meanwhile, basic disadvantage is, it is substantially falsehood that sensing, which urinates wet direction, this can not effectively be sensed
The case where to excrement, the direction of mistaken ideas is entered into, the purpose effectively prevented can not still be reached to the generation of diaper rash.
There are part research unit and paper diaper dealer again, with built-in sensor chip or is different sensing element to paper diaper
Inside, this can effectively sense the different situation such as urine and excrement really, then via mechanics of communication, remind caretaker
Paper diaper can be replaced in time.
It is such to carry out the technology of built-in sensor chip or sensing element inside paper diaper, although can achieve sensing
The purpose of excrement still but has following disadvantage:
1, be using the prerequisite and requirement of paper diaper in general family: this solution and cost-effectiveness must expire
Foot is disposable, the used characteristic of low cost lost；It is obvious in cost using the technology of built-in chip or sensing element
Considerably beyond the acceptable range of general family, therefore hardly result in consuming public and the approval and use of paper diaper dealer.
2, since the posture of wearer, the position for dressing paper diaper, the shape of defecation and amount have very big difference, institute
With position and regional scope of the excrement inside paper diaper also have very big difference, and chip or sensing element are built into
The fixation position of paper diaper, as the error being difficult to avoid that occurs in the limitation of sensing the feedback of position and sensing range.
3, in existing known detection technology, first is that contacting fecaluria using chemical substance to prompt feelings with color change
Condition, second is that electronic signal can be obtained by using generation with the technology of electronic sensor with the contact contact fecaluria of different shape, these hands
Section requires wearer and risks the risk for touching chemical substance or electrical energy, and the safety and health to the person exist can
The potential hazard risk of energy.
Summary of the invention
Utility model aims to solve the above problems in the prior art, provide a kind of for sensing moisture absorption core
Device existing for excreta uses the principle of light conduction, is implanted into light guide structure below the surface layer or surface layer of moisture absorption core,
On the one hand highly-safe, on the other hand, the flexibility of sensing range is larger.
In order to achieve the above objectives, the utility model adopts the following technical solution:
One kind is for sensing device existing for moisture absorption core excreta, including light guide structure, optical signal transmitter, optical signal
Receiver, signal processing unit and alarm unit, the light guide structure are implanted into moisture absorption core, one end connection light letter of light guide structure
The other end of number transmitter, light guide structure connects optical signal receiver, and optical signal transmitter and optical signal receiver are separately connected
Signal processing unit, the signal processing unit are also connected with alarm unit；Wherein, when excreta enters moisture absorption core or touches
When moisture absorption core surface, so that the optical signal of light guide structure conduction changes, signal processing unit sends out optical signal transmitter
After the optical signal that the optical signal and optical signal receiver penetrated receive is compared analysis, corresponding signal is issued to warning list
Member.
In the utility model, moisture absorption core includes paper diaper, nappy, traditional diaper or independent built-in light guide structure
Patch etc., which has, to be allowed flowing material by surface layer, penetrates into core or absorb the amenities of preservation flowing material ability.
The light guide structure and optical signal transmitter and optical signal receiver are detachable connection.
The signal processing unit and alarm unit are wired connection or wireless connection, the alarm unit using light,
Image, smell, sound or physical action are warned.
The light guide structure is built into below the surface layer or surface layer of moisture absorption core.
The light that the optical signal transmitter is emitted is visible light or black light.
In the first technical solution, the light guide structure includes at least one guide lighting channel, the both ends of the guide lighting channel
It is separately connected optical signal transmitter and optical signal receiver.In this scenario, in order to enhance the optical signal for entering guide lighting channel
Intensity, the outer surface of guide lighting channel, which is formed with, to be refracted into guide lighting channel conducive to external optical signal by the lateral surface of guide lighting channel
Surface texture.
In the second technical solution, the light guide structure includes that the first guide lighting channel and the second leaded light arranged side by side are logical
One end of road, one end of the first guide lighting channel and the second guide lighting channel is separately connected optical signal transmitter, the second guide lighting channel
The other end connects optical signal receiver, and the other end of the first guide lighting channel is in open or closed state；Wherein, the first guide lighting channel
And second have suitable distance or space between guide lighting channel so that when excreta enters moisture absorption core or touches moisture absorption core
When surface, so that being entered in the second guide lighting channel from the optical signal that the first guide lighting channel projects through excreta.In the present solution,
One end of first guide lighting channel connects identical or different optical signal transmitter with one end of the second guide lighting channel.
In third technical solution, the light guide structure includes that the first guide lighting channel and the second leaded light arranged side by side are logical
Road, one end connection optical signal transmitter of the first guide lighting channel, one end connection optical signal receiver of the second guide lighting channel, first
The other end of the other end of guide lighting channel and the second guide lighting channel is in open or closed state；Wherein, the first guide lighting channel and
There is suitable distance or space between two guide lighting channels so that when excreta enters moisture absorption core or touches moisture absorption core surface
When, so that being entered in the second guide lighting channel from the optical signal that the first guide lighting channel projects through excreta.
In second and third technical solution, the outer surface of second guide lighting channel be formed with conducive to external optical signal by
The lateral surface of second guide lighting channel is refracted into the surface texture in the second guide lighting channel.
In second and third technical solution, the optical signal projected from the first guide lighting channel enters second through excreta and leads
Situation in optical channel include the following: the optical signal projected from the first guide lighting channel directly transmits by excreta or by row
The surface for letting out object is reflected or the moisture absorption core by being drained object pollution is reflected into the second guide lighting channel.
Compared with the prior art, what technical solutions of the utility model obtained has the beneficial effect that
1, the utility model uses the principle of light conduction, with built-in guide lighting channel in absorbent article core body, the leaded light
The material that channel uses for optical material (such as optical fiber, transparent plastic line/piece or other materials with transparent light guide characteristic),
Optical signal is imported into the optical material, then receives the optical signal for being conducted back to and, via the variation of the optical signal, such as intensity,
The signal intensities such as color and spectrum, so that it may which whether study and judge out has urine, excrement or other any foreign matters in absorbent article core body
In the presence of when the presence for judging to have urine, excrement or any other foreign matter, capable of emitting corresponding alarm signal, which is reminded, to be looked after
Person comes to replace contaminated moisture absorption core in time.
2, the optical material that the utility model uses is build inside paper diaper in the materials such as transparent plastic line, because taking
The principle of light conduction, without any substance directly or indirectly touch wearer, compared to chemical detection and electrical detection
Technology requires the direct or indirect wearer that touches, and the utility model has higher safety.
3, the optical material that the utility model uses is the material such as transparent plastic line, and Material Cost is far below any one
The chip or sensing element being currently known have relatively low cost burden to consuming public and paper diaper dealer.
4, chip or sensing element are used in the prior art, because being limited to chip or sensing element is arranged in paper diaper
Fixation position, can only be sensed in or limited regional scope relatively fixed to paper diaper or nappy, the utility model
Optical material sensing region and sensing range have the advantages that extend, can be via optical fiber (transparent plastic line or piece) in absorbent article core
Any desired region of body is designed and constructs, and the regional scope of sensing can cover any desired area of moisture absorption core
Domain or position are more flexible the use demand of moisture absorption core, therefore when excreta is present in any position in paper diaper
It can sense, caretaker can be reminded to carry out contaminated paper diaper or nappy in time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment 1；
Fig. 2 is the structural schematic diagram that electronic component uses wired connection in embodiment 1；
Fig. 3 is that electronic component uses the structural schematic diagram being wirelessly connected in embodiment 1；
Fig. 4 is the structural schematic diagram that guide lighting channel and electronic component combine in embodiment 1；
Fig. 5 is one of the operation principle schematic diagram of embodiment 1；
Fig. 6 is the two of the operation principle schematic diagram of embodiment 1；
Fig. 7 is the structural schematic diagram of embodiment 2；
Fig. 8 is one of the operation principle schematic diagram of embodiment 2；
Fig. 9 is the two of the operation principle schematic diagram of embodiment 2；
Figure 10 is the structural schematic diagram of embodiment 3；
Figure 11 is one of the operation principle schematic diagram of embodiment 3；
Figure 12 is the two of the operation principle schematic diagram of embodiment 3；
Figure 13 is the operation principle schematic diagram that second guide lighting channel reinforces light signal transduction in embodiment 3.
Detailed description of the invention: guide lighting channel 1, optical signal transmitter 2, optical signal receiver 3, signal processing unit 4, alarm unit
5, wireless signal transmitting unit 6, the first joint portion 7, the second joint portion 8, the first hollow channel 71, the second hollow channel 81；The
One guide lighting channel 9, the second guide lighting channel 10.
Specific embodiment
In order to be clearer and more clear technical problem to be solved in the utility model, technical solution and beneficial effect, with
Under in conjunction with the accompanying drawings and embodiments, the utility model is described in further details.
Embodiment 1
As shown in Figures 1 to 3, a kind of for sensing device existing for moisture absorption core excreta, including light guide structure, optical signal
Transmitter 2, optical signal receiver 3, signal processing unit 4 and alarm unit 5.
In the present embodiment, the light guide structure is a guide lighting channel 1, and guide lighting channel uses optical fiber；It is described guide-lighting logical
Road 1 is implanted into moisture absorption core, and the both ends of guide lighting channel 1 are separately connected optical signal transmitter 2 and optical signal receiver 3；Optical signal hair
Emitter 2 and optical signal receiver 3 are separately connected signal processing unit 4, and the signal processing unit 4 is also connected with alarm unit 5.Its
In, when excreta enters moisture absorption core or touches moisture absorption core surface, so that the optical signal that guide lighting channel 1 conducts becomes
Change, the optical signal that signal processing unit 4 receives the optical signal that optical signal transmitter 2 emits and optical signal receiver 3 carries out
After comparative analysis, corresponding alarm signal is issued to alarm unit 5.
In the present embodiment, signal processing unit 4, optical signal transmitter 2, optical signal receiver 3 and alarm unit 5 are common
Form an electronic component, the electronic component and guide lighting channel 1 form detachable connection, and in assembling guide lighting channel 1 two
End can be respectively connected to optical signal transmitter 2 and optical signal receiver 3.
Specifically, as shown in figure 4, in the present embodiment, the bending of guide lighting channel 1 is arranged so that at the both ends of guide lighting channel 1
In same direction, it is equipped with the first joint portion 7 in direction guide lighting channel, is equipped with and 1 both ends of guide lighting channel in first joint portion 7
The first hollow channel 71 being separately connected；
Electronic component is additionally provided with the second joint portion 8, to combine with the first joint portion 7 of guide lighting channel 1；Wherein, it second connects
Conjunction portion 8 has the second hollow channel 81 being connected to the first hollow channel 71, and the second hollow channel 81 is separately connected optical signal
Transmitter 2 and optical signal receiver 3, so that electronic component and guide lighting channel 1 be when being mutually assembled, from optical signal transmitter 2
The optical signal launched is received by guide lighting channel 1 by optical signal receiver 3.
As shown in Fig. 2, alarm unit 5 and signal processing unit 4 are wired connection in the present embodiment, alarm unit 5 is one
Shine/acoustic device, when alarm signal is sent to the luminous/acoustic device ,/acoustic device sending alert notification light/the sound that shines；More
Specifically, alarm unit 5 includes a light emitting device and the light-strip connecting with the light emitting device, connects in the alarm unit 5
After receiving the alarm signal, which generates a plurality of light beam and inwardly injects from a front end of the light-strip, from the leaded light
One end of item is projected outward, and the end of the light-strip can be revealed in outside the clothing of a moisture absorption core user.
As shown in figure 3, the connection of alarm unit 5 and signal processing unit 4 can also be to be wirelessly connected, at this time in electronic component
In be equipped with the wireless signal transmitting unit 6 that connect with signal processing unit 4, when alarm signal is sent to the wireless signal transmission list
When member 6, which transmits a wireless caution signal to extraneous alarm unit 5, which is one
Mobile terminal uses the signal prompts such as light, screen image, smell, sound or physical action caretaker to carry out replacement moisture absorption
Core.
The electronic component further includes to be held on moisture absorption core so that user arranges the electronic component to be located at the suction
One position of green sand core body or the clothing of moisture absorption core user is held on to appear a light emitting device of the electronic component in this
Clamping part outside clothing.
The guide lighting channel 1 is built into below the surface layer or surface layer of moisture absorption core；In the present embodiment, guide lighting channel 1 by
It pastes gum and fits in the surface layer of moisture absorption core or the intraformational bed under surface layer.
In use, due to electronic component be it is detachable, the electronic component of higher cost is reusable, and cost is relatively low
Guide lighting channel, can be abandoned together with dirty moisture absorption core.
As shown in Fig. 5~6, the working principle of the present embodiment 1 is as follows:
When there are excreta in moisture absorption core surface or inside, the signal portions in guide lighting channel 1 reflect away and encounter
It reflects and is again introduced into guide lighting channel 1 when excreta, so that the optical signal for reaching optical signal receiver 3 becomes
Change, presence or absence, surface characteristic or the color etc. so as to detect excreta change.
Embodiment 2
As shown in fig. 7, the light guide structure includes the first guide lighting channel 9 and the second guide lighting channel 10 arranged side by side,
One end of one guide lighting channel 9 and one end of the second guide lighting channel 10 are separately connected optical signal transmitter 2, the second guide lighting channel 10
The other end connects optical signal receiver 3, and the other end of the first guide lighting channel 9 is in open or closed state；Remaining structure setting is same
Embodiment 1, details are not described herein again.
Wherein, have suitable distance or space so as to work as excreta between the first guide lighting channel 9 and the second guide lighting channel 10
When into moisture absorption core or touching moisture absorption core surface so that from the first guide lighting channel 9 project optical signal through excreta into
Enter into the second guide lighting channel 10.In the present embodiment, the one of one end of first guide lighting channel 9 and the second guide lighting channel 10
End connects identical or different optical signal transmitter 2.
As shown in Fig. 8~9, the working principle of the present embodiment is as follows:
1, optical signal transmitter 2 is believed with the first guide lighting channel 9 and the second guide lighting channel 10 for conducting path transmission light first
Number, the first guide lighting channel 9 and the second guide lighting channel 10 can send out part optical signals, and can connect in the second guide lighting channel 10
The optical signal sent out by the first guide lighting channel 9 is received and conducts, therefore optical signal receiver 3 is received from the second guide lighting channel 10
Not only include the optical signal emitted from the input terminal of the second guide lighting channel 10 itself in the optical signal conducted, also includes
The signal sent out from the first guide lighting channel 9；
2, when there are excreta in moisture absorption core surface or inside, the optical signal projected from the first guide lighting channel 9 is by excretion
Object directly transmits or is reflected by the surface of excreta or be reflected by being drained the moisture absorption core that object pollutes
In second guide lighting channel 10, so that the optical signal for reaching optical signal receiver 3 changes, so as to detect excretion
The variation such as presence or absence, surface characteristic or color of object.
In the present embodiment, the material of meeting " discoloration " after receiving illumination can be added in the second guide lighting channel 10, so that it may
Via the variation of light, and then the variation such as color and luminous flux for changing the optical material of the second guide lighting channel 10 of composition, by
It is different that the color of optical material and the variation of luminous flux can sense presence or absence, thick characteristic or color of excreta etc.
Variation.
Embodiment 3
As shown in Figure 10, light guide structure described in the present embodiment includes that the first guide lighting channel 9 and second arranged side by side is guide-lighting
Channel 10, one end of the first guide lighting channel 9 connect optical signal transmitter 2, and one end connection optical signal of the second guide lighting channel 10 connects
The other end of receipts device 3, the other end of the first guide lighting channel 9 and the second guide lighting channel 10 is in open or closed state；Remaining structure
It is arranged with embodiment 1, details are not described herein again.
Wherein, have suitable distance or space so as to work as excreta between the first guide lighting channel 9 and the second guide lighting channel 10
When into moisture absorption core or touching moisture absorption core surface so that from the first guide lighting channel 9 project optical signal through excreta into
Enter into the second guide lighting channel 10.
As shown in Figure 11~12, the working principle of the present embodiment is as follows:
1, optical signal transmitter 2 first with the first guide lighting channel 9 is that conducting path sends optical signal, and the first guide lighting channel
9 can send out part optical signals, can receive in the second guide lighting channel 10 and conduct the light sent out by the first guide lighting channel 9
Signal, therefore it includes guide-lighting logical from first that optical signal receiver 3, which is received from the optical signal that the second guide lighting channel 10 is conducted,
The signal that road 9 is sent out；
2, when there are excreta in moisture absorption core surface or inside, the optical signal projected from the first guide lighting channel 9 is by excretion
Object directly transmits or is reflected by the surface of excreta or be reflected by being drained the moisture absorption core that object pollutes
In second guide lighting channel 10, so that the optical signal for reaching optical signal receiver 3 changes, so as to detect excretion
The variation such as presence or absence, surface characteristic or color of object.
Therefore, in the embodiment above, the utility model utilizes the variation phenomenon of refractive index, so that it may detect the presence of attachment
The characteristic of matter and attachment material.
Under normal circumstances, the surface layer of optical material is mostly smooth surface, can be had to external optical signal biggish anti-
The effect of penetrating, therefore also opposite reduce the light signal strength for being refracted into optical material.In order to improve and reinforce external light
Signal is refracted into optical material, and the utility model adds section appropriate or surface texture in the outer surface of optical material, from
And the area of optical material and the angle for facilitating optical signal refraction can be refracted by increasing external optical signal, such as Figure 13 institute
Show, the outer surface of second guide lighting channel 10 is formed with conducive to external optical signal by the second guide lighting channel 10 in embodiment 3
Lateral surface be refracted into the surface texture in the second guide lighting channel 10.
Similarly, in embodiment 1, it can be formed in the outer surface of the guide lighting channel logical by leaded light conducive to external optical signal
The lateral surface in road is refracted into the surface texture in guide lighting channel；It in example 2, can be in the outer of second guide lighting channel 10
Surface is formed with conducive to external optical signal the table being refracted into the second guide lighting channel 10 by the lateral surface of the second guide lighting channel 10
Face texture.
Claims (10)
1. one kind is for sensing device existing for moisture absorption core excreta, it is characterised in that: including light guide structure, optical signal launch
Device, optical signal receiver, signal processing unit and alarm unit, build light guide structure in the absorbent article core body, and the one of light guide structure
End connection optical signal transmitter, the other end of light guide structure connect optical signal receiver, and optical signal transmitter and optical signal receive
Device connection signal processing unit, the signal processing unit are also connected with alarm unit；Wherein, when excreta touches moisture absorption core
Surface or enter moisture absorption core when so that light guide structure conduction optical signal change, signal processing unit by optical signal into
After row comparative analysis, corresponding signal is issued to alarm unit.
2. as described in claim 1 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described to lead
Photo structure includes at least one guide lighting channel, and the both ends of the guide lighting channel are separately connected optical signal transmitter and optical signal receives
Device.
3. as claimed in claim 2 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described to lead
The outer surface of optical channel is formed with conducive to external optical signal the surface being refracted into guide lighting channel by the lateral surface of guide lighting channel
Texture.
4. as described in claim 1 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described to lead
Photo structure includes the first guide lighting channel and the second guide lighting channel arranged side by side, and one end of the first guide lighting channel and the second leaded light are logical
The one end in road is separately connected optical signal transmitter, and the other end of the second guide lighting channel connects optical signal receiver, and first is guide-lighting logical
The other end in road is in open or closed state；Wherein, between the first guide lighting channel and the second guide lighting channel have suitable distance or
Space is so that when excreta enters moisture absorption core or touches moisture absorption core surface, so that the light projected from the first guide lighting channel
Signal enters in the second guide lighting channel through excreta.
5. as claimed in claim 4 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described the
One end of one guide lighting channel connects identical or different optical signal transmitter with one end of the second guide lighting channel.
6. as described in claim 1 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described to lead
Photo structure includes the first guide lighting channel and the second guide lighting channel arranged side by side, one end connection optical signal hair of the first guide lighting channel
Emitter, one end connection optical signal receiver of the second guide lighting channel, the other end of the first guide lighting channel and the second guide lighting channel
The other end is in open or closed state；Wherein, there is suitable distance or space between the first guide lighting channel and the second guide lighting channel
So that when excreta enters moisture absorption core or touches moisture absorption core surface, so that the optical signal projected from the first guide lighting channel
It is entered in the second guide lighting channel through excreta.
7. one kind as described in claim 4,5 or 6 is for sensing device existing for moisture absorption core excreta, it is characterised in that:
The outer surface of second guide lighting channel, which is formed with, is refracted by the lateral surface of the second guide lighting channel conducive to external optical signal
Surface texture in two guide lighting channels.
8. as described in claim 1 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described to lead
Photo structure and optical signal transmitter and optical signal receiver are detachable connection.
9. as described in claim 1 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: the letter
Number processing unit and alarm unit are wired connection or wireless connection, and the alarm unit uses light, image, smell, sound
Or physical action is warned.
10. as described in claim 1 a kind of for sensing device existing for moisture absorption core excreta, it is characterised in that: described
Light guide structure is built into below the surface layer or surface layer of moisture absorption core.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822244574.XU CN209446456U (en) | 2018-12-28 | 2018-12-28 | One kind is for sensing device existing for moisture absorption core excreta |
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| CN201822244574.XU CN209446456U (en) | 2018-12-28 | 2018-12-28 | One kind is for sensing device existing for moisture absorption core excreta |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738366A (en) * | 2018-12-28 | 2019-05-10 | 林亭妤 | For sensing device existing for moisture absorption core excreta |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109738366A (en) * | 2018-12-28 | 2019-05-10 | 林亭妤 | For sensing device existing for moisture absorption core excreta |
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