Utility model content
Technical problem to be solved in the utility model is to provide one kind for the above-mentioned prior art to can display real-time middle storage
The refrigerator of Organic substance in water content in sink or in water supply pipe.
Technical solution is used by the utility model solves above-mentioned technical problem:A kind of refrigerator, including babinet, in babinet
Equipped with refrigerating chamber and ice-making compartment, ice-making system is equipped with the ice-making compartment, ice-making system includes catch basin and for past catch basin
The water supply pipe of inner water-supply, it is characterised in that:Be equipped with to include in the catch basin or in water supply pipe has for detecting in water
The organic matter detection sensor of machine thing content, wherein the organic matter sensor includes sending the light source of ultraviolet, and with institute
The detection components that can detect Organic substance in water content of light source cooperation are stated, which includes:
The detection pipe that can be penetrated by the ultraviolet that the light source is sent, detected water can pass through the detection pipe;
The ultraviolet line receiver of detection group, sends from the light source for detecting and penetrates the ultraviolet after the detection pipe
Intensity;
Wherein, the ultraviolet line receiver of detection group is connected with circuit board, and the circuit board is used to be connect according to detection group ultraviolet
Receive the uitraviolet intensity that device receives and calculate and pass through Organic substance in water content in detection pipe, circuit board is connected with display module.
Display screen is connected with circuit board, for showing the organic matter in ice-making system in catch basin or in water supply pipe in water
Content.
The organic matter detection sensor of above-mentioned offer, can not only effectively detect Organic substance in water content, and component is few, structure letter
It is single, therefore small volume, lower-cost detection part can be made.
As an improvement, organic matter detection sensor provided by the utility model, further includes housing, detection components are arranged on shell
In vivo:In the housing light source appearance is arranged on equipped with light source accommodating cavity or the light source accommodating hole for allowing light source to pass through, the light source
Put intracavitary or be threaded through in light source accommodating hole;It is additionally provided with the housing and holds with light source accommodating cavity or the light source for allowing light source to pass through
The detection pipe accommodating cavity of hole connection is put, detection pipe is arranged in detection pipe accommodating cavity;The ultraviolet line receiver of detection group is set
It is in housing and opposite with detection pipe.
It is arranged with isolation shading protective case outside the light source, light source is arranged the light that housing is arranged on after isolation shading protective case
In the accommodating cavity of source or it is threaded through in light source accommodating hole;Detection light loophole is provided with isolation shading protective case;The light source is sent
Ultraviolet reach the ultraviolet line receiver of detection group by penetrating the detection pipe after detection light loophole again.Isolate shading
The promising isolation light source of effect of protective case, prevents the ultraviolet that light source is sent from causing housing aging to irradiation.By being hidden in isolation
Light protective case opens up detection light loophole, can make light launch angle between light source and the ultraviolet line receiver of detection group compared with
It is small, so as to reduce light in transmit process due to the uncertainty of detection data caused by refraction and reflection.
Improve again, the water supply connector connected respectively with detection pipe both ends and water out adapter are connected with the housing.
Improve again, the position that the water supply connector and water out adapter are connected with detection pipe both ends is equipped with sealing ring.
Improve again, the circuit board is fixed on housing, and the detection light connected with detection pipe accommodating cavity is equipped with housing and is led to
Road, the ultraviolet line receiver of detection group are located at after being fixed on circuit board in detection optical channel.
The light source that ultraviolet can be sent generally uses ultraviolet lamp, and ultraviolet lamp is with the extension of usage time, its purple sent
Outer line strength can produce certain decay, in order to improve the accuracy of detection.Organic matter sensor in the utility model also wraps
Control component is included, control component is also disposed in housing, wherein a kind of preferable scheme of control component is:
The control group ultraviolet that control component includes the intensity that can detect the ultraviolet directly sent from the light source connects
Device is received, the ultraviolet line receiver of control group is also connected with circuit board, and circuit board receives ultraviolet according to the ultraviolet line receiver of detection group
Uitraviolet intensity that line strength and the ultraviolet line receiver of control group receive is calculated by Organic substance in water content in detection pipe;
It is provided with the isolation shading protective case and the housing is arranged on to irradiation loophole, the ultraviolet line receiver of control group
It is interior and opposite with to irradiation loophole, so that the ultraviolet that the light source is sent passes through to directly arrival pair after irradiation loophole
According to the ultraviolet line receiver of group.By being opened up in isolation shading protective case to irradiation loophole, light source can be made ultraviolet with control group
Light launch angle between line receiver is smaller, so as to reduce light in transmit process due to inspection caused by refraction and reflection
Survey the uncertainty of data.
The control component can be arranged on the homonymy of light source, the detection light loophole and the control with detection components
Light loophole is positioned at isolation shading protective case the same side;It is equipped with the housing and is compareed with to the connection of irradiation loophole and face
Optical channel, the ultraviolet line receiver of control group are arranged in control optical channel.
The control component can also be symmetricly set on the two opposite sides of light source accommodating cavity, the detection light with detection components
Loophole and described be symmetricly set on to irradiation loophole isolate shading protective case two opposite sides;Be provided with housing with it is saturating to irradiation
The ultraviolet line receiver mounting hole of control group of unthreaded hole face, the ultraviolet line receiver of control group are arranged on control group ultraviolet reception
In device mounting hole.
Control component and the detection components may be located on outside light source accommodating cavity not homonymy, the detection light loophole and
It is described that the isolation same circumference diverse location of shading protective case is arranged on to irradiation loophole, and with isolating the same circle of shading protective case
Compareed between all central point lines into the angle of not 180 degrees, interior be equipped with of the housing with to the connection of irradiation loophole and face
Optical channel, the ultraviolet line receiver of control group are arranged in control optical channel.
Another preferable scheme of control component is that the control component includes:
The control tube that can be penetrated by the ultraviolet that the light source is sent, control tube inner vacuum or set air or set it is pure
Water;
The ultraviolet line receiver of control group, sends from the light source for detecting and penetrates the ultraviolet after the control tube
Intensity;
The ultraviolet line receiver of control group is also connected with circuit board, the purple that circuit board is received according to the ultraviolet line receiver of detection group
The uitraviolet intensity that the outer ultraviolet line receiver of line strength and control group receives is contained to calculate by Organic substance in water in detection pipe
Amount.
It can be provided with isolation shading protective case to irradiation loophole, the ultraviolet that the light source is sent passes through to irradiation
The control tube arrival ultraviolet line receiver of control group is being penetrated after loophole.
At this time, the control component homonymy that can be arranged on light source same with detection components, the detection light loophole
It is located at isolation shading protective case the same side to irradiation loophole with described;It is equipped with the housing and irradiation loophole is connected with described
Logical control tube accommodating cavity, control tube are arranged in control tube accommodating cavity;The ultraviolet line receiver of control group is arranged on housing
It is interior and opposite with control tube, so that the ultraviolet that the light source is sent passes through to penetrating the control tube again after irradiation loophole
Reach the ultraviolet line receiver of the control group.
The control component two opposite sides that can also be symmetricly set on light source accommodating cavity same with detection components, the inspection
Survey light loophole and described be symmetricly set on to irradiation loophole isolates shading protective case two opposite sides;Be equipped with housing with it is described
To the control tube accommodating cavity of irradiation loophole connection, control tube is arranged in control tube accommodating cavity;The control group ultraviolet connects
Device is received to be arranged in housing and opposite with control tube so that the ultraviolet that sends of the light source by after irradiation loophole again
Penetrate the control tube and reach the ultraviolet line receiver of control group.
The control component is same with detection components to may be located on light source accommodating cavity not homonymy outside, the detection light printing opacity
Hole and described be arranged on to irradiation loophole isolate the same circumference diverse location of shading protective case, and same with isolating shading protective case
It is equipped with into the angle of not 180 degrees between one circle center's point line, in housing and the control tube connected to irradiation loophole
Accommodating cavity, control tube are arranged in control tube accommodating cavity;The ultraviolet line receiver of control group is arranged in housing and with compareing
Pipe is opposite so that the ultraviolet that the light source is sent pass through to penetrated again after irradiation loophole the control tube reach it is described right
According to the ultraviolet line receiver of group.
Do not opened up specially to irradiation loophole when on isolation shading protective case, it is described when being only provided with detection light loophole
Be equipped with housing with detection light loophole face and the light lead passage that connect, middle part leads to the vertically disposed light splitting of light lead passage
Road, and for the ultraviolet in light lead passage to be evenly spread to the spectroscope of light splitting passage both sides, the detection pipe accommodating cavity
It is arranged on light splitting passage side;Control tube accommodating cavity is equipped with positioned at light splitting passage opposite side in the housing, control tube is arranged on
In control tube accommodating cavity;The ultraviolet line receiver of control group is arranged in housing and opposite with control tube, so that the light
The ultraviolet that source is sent by penetrating the control again after detection light loophole, light lead passage after spectroscope enters light splitting passage
Pipe reaches the ultraviolet line receiver of control group.
The light lead vias inner walls are equipped with the first insulation blocking sleeve.
The light splitting vias inner walls are equipped with the second insulation blocking sleeve.
The utility model further includes and temperature sensor of the light source contacts for detecting the light-source temperature;In circuit
During plate Organic substance in water content, main disturbing factor is the change of light source, and the change of light source is mainly due to temperature, with
The usage time of light source pushes away length, and the temperature of light source can gradually rise;Because in the characteristic of ultraviolet lamp, the intensity of ultraviolet can be with
Becoming higher for temperature and become strong, in order to improve the precision of detection, in housing set with light source contacts be used for detect the light source temperature
The temperature sensor of degree, is then compensated by temperature computation result, can effectively improve the accuracy of detection.
Compared with prior art, the utility model has the advantage of:Pass through having in the catch basin or in water supply pipe
Machine analyte detection sensor is detected Organic substance in water content, is shown by display screen in catch basin or water in water supply pipe
Middle content of organics, reminds whether user's Organic substance in water content is exceeded, and user is according to whether exceeded result judges whether to need
Clean ice-making system.
Embodiment
The utility model is described in further detail below in conjunction with attached drawing embodiment.
Refrigerator as shown in Figure 1, including babinet 101, babinet 101 is interior to be equipped with refrigerating chamber 102 and ice-making compartment 103, the system
Ice-making system is equipped with icehouse 103, ice-making system includes catch basin 104 and the water supply pipe 105 for past catch basin inner water-supply,
In the catch basin 104 or water supply pipe 105 in be equipped with include for detect Organic substance in water content organic analyte detection pass
Sensor 106, being used to show in ice-making system in catch basin of being connected with organic matter sensor or feed pipe are provided with babinet 101
The display screen 107 of Organic substance in water content in road.
The structure of wherein organic matter detection sensor has a variety of, and organic matter detection sensor structure is described more fully below
Kinds of schemes:
The first scheme of organic matter detection sensor:
Referring to shown in Fig. 2~5, it includes the light source 1 that can send ultraviolet, and can detect water with what the light source 1 coordinated
The detection components of middle content of organics, and for detection components are matching used compares component.
Wherein, the detection components include:
The detection pipe 2 that can be penetrated by the ultraviolet that the light source 1 is sent, sewage can pass through the detection pipe 2;
The ultraviolet line receiver 3 of detection group, sends from the light source 1 and penetrates ultraviolet after the detection pipe 2 for detecting
The intensity of line;
Control component includes:
The control tube 6 that can be penetrated by the ultraviolet that the light source 1 is sent, 6 inner vacuum of control tube or sets air or setting
Pure water;
The ultraviolet line receiver 5 of control group, sends from the light source 1 and penetrates ultraviolet after the control tube 6 for detecting
The intensity of line;
The ultraviolet line receiver 3 of above-mentioned detection group and the ultraviolet line receiver 5 of control group are connected with circuit board 4, circuit board 4
The ultraviolet that the uitraviolet intensity and the ultraviolet line receiver 5 of control group received according to the ultraviolet line receiver 3 of detection group receives is strong
Spend to calculate by Organic substance in water content in detection pipe 2.
In the present solution, organic matter detection sensor includes the housing assembled by the first housing 7a and the second housing 7b
7, housing 7 is equipped with the light source accommodating hole for allowing light source to pass through in middle part, and light source 1 is threaded through in light source accommodating hole;First housing 7a
The detection pipe accommodating cavity connected with light source accommodating hole is inside additionally provided with, detection pipe 2 is arranged in detection pipe accommodating cavity;The detection group
Ultraviolet line receiver is arranged in the first housing 7a and opposite with detection pipe 2.It is equipped with second housing 7b and connects with light source accommodating hole
Logical control tube accommodating cavity, control tube 6 are arranged in control tube accommodating cavity;The ultraviolet line receiver 5 of control group is arranged on second shell
It is in body 7b and opposite with control tube 6.
Isolation shading protective case 8 is arranged with outside light source 1, light source 1 is threaded through housing 7 after being arranged isolation shading protective case 8
In light source accommodating hole;Detection light loophole 81 is provided with isolation shading protective case 8;The ultraviolet that the light source 1 is sent passes through inspection
The detection pipe 2 is penetrated again after survey light loophole 81 reaches the ultraviolet line receiver 3 of the detection group.Isolate on shading protective case 8
Also it is provided with to irradiation loophole 82;The ultraviolet that the light source 1 is sent passes through to penetrating the control again after irradiation loophole 82
Pipe 6 reaches the ultraviolet line receiver 5 of the control group.
The water supply connector 71 connected respectively with 2 both ends of detection pipe and water out adapter 72, water inlet are connected with first housing 7a
The position that connector 71 and water out adapter 72 are connected with 2 both ends of detection pipe is equipped with sealing ring 73.
Circuit board 4 can be fixed on the first housing 7a, can also be fixed on the second housing 7b, in the present embodiment, electricity
Road plate 4 is fixed on the first housing 7a, and the ultraviolet line receiver 5 of control group is installed on side plate, and side plate is fixed on the second housing 7b
On, the output terminal of the ultraviolet line receiver 5 of control group is connected by conducting wire with circuit board 4.
The detection optical channel 74 connected with detection pipe accommodating cavity is equipped with first housing 7a, the detection group ultraviolet receives
Device 3 is fixed to be located in detection optical channel 74 afterwards on the circuit board 4;Pair connected with control tube accommodating cavity is equipped with second housing 7b
Irradiation passage 75, the ultraviolet line receiver 5 of control group are located at after being fixed on side plate in control optical channel 75.
In the present solution, the control component is symmetricly set on the two opposite sides of light source accommodating hole with detection components, i.e.,:Control
Component is symmetrical arranged with detection components;The detection light loophole 81 and described be symmetricly set on to irradiation loophole 82 isolate screening
8 two opposite sides of light protective case;The benefit so set is that the ultraviolet that the ultraviolet of detection group intake is absorbed with control group comes from
In 1 same circumferential position of light source, therefore the original light intensity difference very little of the ultraviolet of both intakes;Shortcoming is:But if
Light source, which installs rear position, radial deflection, then the detection data that can cause to compare component and detection components acquisition occur larger
Deviation.
The detection method of organic matter detection sensor in the present embodiment, it includes the following steps:
Step (1), vacuumize control tube 6, or keeps being full of air in control tube 6, or pours in control tube 6 pure
Water, opens the light source 1, and circuit board 4 records the uitraviolet intensity value that the ultraviolet line receiver 5 of this control group receives, and will
The uitraviolet intensity value is denoted as the first uitraviolet intensity reference point;
Step (2), prepare known to N part content of organics and the different control water sample of content, keeps the light source 1
Open, this N parts of control water sample is then passed sequentially through into the control tube 6 respectively, circuit board 4 records N parts of control aqueous sample streams successively
The uitraviolet intensity value that the ultraviolet line receiver 5 of control group receives when crossing control tube 6, and by N part uitraviolet intensity values of acquisition
Be denoted as respectively the second uitraviolet intensity reference point, the 3rd uitraviolet intensity reference point ... N+1 uitraviolet intensity reference points,
Wherein N is the natural number more than or equal to 3;
Step (3), the N part uitraviolet intensity reference points obtained according to step (2), obtain organic matter in a control water sample
The table of comparisons between content and uitraviolet intensity reference point;
Step (4), keep the light source 1 to open, and control tube 6 is vacuumized, or keeps being full of air in control tube 6, or
Pure water is poured in control tube 6;Water to be measured is flowed through into the detection pipe 2, circuit board 4 records the reception of this detection group ultraviolet
The uitraviolet intensity value that device 3 receives, and the uitraviolet intensity value is denoted as uitraviolet intensity detected value, while record control group
The uitraviolet intensity value that ultraviolet line receiver 5 receives, interim uitraviolet intensity reference point is denoted as by the uitraviolet intensity value, will
Interim uitraviolet intensity reference point divided by the first uitraviolet intensity reference point, obtain intensity of light source attenuation ratio, and ultraviolet is strong
Degree detected value is multiplied by intensity of light source attenuation ratio, obtains uitraviolet intensity lookup value, then using the uitraviolet intensity lookup value,
The table of comparisons obtained by query steps 3, obtains the content of organics in water to be measured at this time.
In above-mentioned detection method, main disturbing factor is the change of light source, and the change of light source is mainly due to temperature
Degree, as the usage time of light source pushes away length, the temperature of light source can gradually rise;Because in the characteristic of ultraviolet lamp, ultraviolet it is strong
Degree can become strong with becoming higher for temperature, in order to further improve the precision of detection, further include in housing 7 and connect with the light source 1
Touch the temperature sensor 11 for detecting 1 temperature of light source;In the step (1) and step (2), the light source 1 is kept
Open, then detect the temperature of light source 1 in real time by the temperature sensor 11, recording light source (1) under different temperatures value,
Multiple first uitraviolet intensity reference points and multiple second uitraviolet intensity reference points, multiple 3rd uitraviolet intensity references
Value ... multiple N+1 uitraviolet intensity reference points;Then the step (3) obtains content of organics in a control water sample
The table of comparisons between reference point is forced with ultraviolet of the light source under different temperatures value;Finally in step (4), institute is equally kept
Light source (1) unlatching is stated, and detects the temperature of light source (1) in real time by the temperature sensor (11), according to current light source (1)
Temperature value and present ultraviolet intensity detection value, pass through the content of organics that obtains in water to be measured at this time of tabling look-up.
The second scheme of organic matter detection sensor:
Referring to shown in Fig. 6 and Fig. 7, the first scheme is compared, and detection components are only included in housing 7, is compareed without setting
Component.
The detection method of organic matter detection sensor in this programme includes the following steps:
Step (1), vacuumize detection pipe 2, or keeps being full of air in detection pipe 2, or pours in detection pipe 2 pure
Water, is then turned on the light source 1, and circuit board 4 records the uitraviolet intensity value that the ultraviolet line receiver 3 of this detection group receives,
And the uitraviolet intensity value is denoted as the first uitraviolet intensity reference point;
Step (2), prepare known to N part content of organics and the different control water sample of content, keeps the light source 1
Open, this N parts of control water sample is then passed sequentially through into the detection pipe 2 respectively, circuit board 4 records N parts of control aqueous sample streams successively
The uitraviolet intensity value that the ultraviolet line receiver 3 of detection group receives when crossing detection pipe 2, and by N part uitraviolet intensity values of acquisition
Be denoted as respectively the second uitraviolet intensity reference point, the 3rd uitraviolet intensity reference point ... N+1 uitraviolet intensity reference points,
Wherein N is the natural number more than or equal to 3;
Step (3), the N+1 part uitraviolet intensity reference points obtained according to step (1) and step (2), obtain a control
The table of comparisons in water sample between content of organics and uitraviolet intensity reference point;
Step (4), keep the light source 1 to open, and water to be measured is flowed through the detection pipe 2, the record of circuit board 4 this time detects
The uitraviolet intensity value that the ultraviolet line receiver 3 of group receives, and the uitraviolet intensity value is denoted as uitraviolet intensity detected value, so
The table of comparisons obtained afterwards by query steps (3), obtains the content of organics in water to be measured at this time.
The third scheme of organic matter detection sensor:
Unlike the first scheme, control component is arranged on the homonymy of light source 1, detection light loophole with detection components
81 and it is described to irradiation loophole 82 positioned at 8 the same side of isolation shading protective case;Its internal structure is shown in Figure 8.
In the present embodiment, it is when the generation of ultraviolet lamp position is radially inclined to compare the benefit of component and detection components in the same side
During shifting, detection components and the uitraviolet intensity deviation that control component absorbs are less;The drawback is that:Due to ultraviolet lamp it is axial not
The intensity to shine with position may there are certain deviation, so, in the embodiment, it is desirable to ultraviolet lamp glazing in the axial direction
Need uniformity good by force.
The detection method of organic matter detection sensor in this programme is identical with the first scheme.
4th kind of scheme of organic matter detection sensor:
Unlike the first scheme, control component only includes the ultraviolet line receiver 5 of control group, is not provided with compareing
Pipe, the ultraviolet line receiver 5 of control group are set directly in control optical channel 75, its internal structure is shown in Figure 9.The light source
1 ultraviolet sent along control optical channel 75 to irradiation loophole 82 by directly reaching the ultraviolet line receiver 5 of control group.
The detection method of organic matter detection sensor in the present embodiment, it includes the following steps:
Step (1), open the light source 1, circuit board 4 record the ultraviolet line receiver 5 of this control group receive it is ultraviolet
Line strength value, and the uitraviolet intensity value is denoted as the first uitraviolet intensity reference point;
Step (2), prepare known to N part content of organics and the different control water sample of content, keeps the light source 1
Open, this N parts of control water sample is then passed sequentially through into the detection pipe 2 respectively, circuit board 4 records N parts of control aqueous sample streams successively
The uitraviolet intensity value that the ultraviolet line receiver 3 of detection group receives when crossing detection pipe 2, and by N part uitraviolet intensity values of acquisition
Be denoted as respectively the second uitraviolet intensity reference point, the 3rd uitraviolet intensity reference point ... N+1 uitraviolet intensity reference points,
Wherein N is the natural number more than or equal to 3;
Step (3), the N part uitraviolet intensity reference points obtained according to step (2), obtain organic matter in a control water sample
The table of comparisons between content and uitraviolet intensity reference point;
Step (4), keep the light source 1 to open, and water to be measured is flowed through the detection pipe 2, the record of circuit board 4 this time detects
The uitraviolet intensity value that the ultraviolet line receiver 3 of group receives, and the uitraviolet intensity value is denoted as uitraviolet intensity detected value, together
The uitraviolet intensity value that the ultraviolet line receiver 5 of Shi Jilu control groups receives, interim ultraviolet is denoted as by the uitraviolet intensity value
Intensity reference point, by interim uitraviolet intensity reference point divided by the first uitraviolet intensity reference point, obtains intensity of light source attenuation ratio
Example, intensity of light source attenuation ratio is multiplied by by uitraviolet intensity detected value, obtains uitraviolet intensity lookup value, then ultraviolet using this
Line strength lookup value, the table of comparisons obtained by query steps (3), obtains the content of organics in water to be measured at this time.
The fifth version of organic matter detection sensor:
Unlike the 4th kind of scheme, compare component and detection components are arranged on the homonymy of light source, housing configuration
Then identical with second scheme, internal structure is shown in Figure 10.
The detection method of organic matter detection sensor in this programme is identical with the 4th kind of scheme.
6th kind of scheme of organic matter detection sensor:
Unlike the 4th kind of scheme, housing 7 is single piece, and control component is located at outside light source accommodating cavity with detection components
Not homonymy, the detection light loophole 81 and described be arranged on to irradiation loophole 82 isolate 8 same excircle of shading protective case
Diverse location, and with isolating between the same circle center's point line of shading protective case 8 into the angle of not 180 degrees, in the present embodiment
Angle be 60 degree, housing contour structures are shown in Figure 12 referring to Figure 11, housing interior structure.
7th kind of scheme of organic matter detection sensor:
Unlike the first scheme, a detection light loophole 81 is only provided with isolation shading protective case 8, and it is described
Be equipped with housing 7 with 81 face of detection light loophole and the light lead passage 76 that connects, middle part and light lead passage 76 are vertically disposed
Passage 77 is divided, and for the ultraviolet in light lead passage 76 to be evenly spread to the spectroscope 78 of 77 both sides of light splitting passage, point
Light microscopic 78 is prism;The detection pipe accommodating cavity is arranged on 77 side of light splitting passage;Positioned at light splitting passage in the housing 7
77 opposite sides are equipped with control tube accommodating cavity, and control tube 6 is arranged in control tube accommodating cavity;The ultraviolet line receiver 5 of control group
Be arranged in housing 7 and opposite with control tube 6 so that the ultraviolet that the light source 1 is sent by detection light loophole 81, draw
The control tube 2 is penetrated again after spectroscope 78 enters light splitting passage 77 after optical channel 76 reaches the control group ultraviolet reception
Device 5.76 inner wall of light lead passage is equipped with the first insulation blocking sleeve 9, and light splitting 77 inner wall of passage is equipped with the second insulation blocking sleeve 10, referring to
Figure 13, shown in 14.
In the present embodiment, ultraviolet is divided by spectroscope 78, ensures the original light intensity of ultraviolet of detection combination control group
It is identical.
8th kind of scheme of organic matter detection sensor:
Unlike the 4th kind of scheme, light source accommodating cavity is equipped with housing 7, light source 1 is small-sized ultraviolet lamp or LED
Ultraviolet lamp, light source 1 is integrally provided in light source accommodating cavity, shown in Figure 15.