CN207502400U - A kind of fluorescent analysis apparatus and water quality on-line monitoring instrument device - Google Patents
A kind of fluorescent analysis apparatus and water quality on-line monitoring instrument device Download PDFInfo
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- CN207502400U CN207502400U CN201721680470.2U CN201721680470U CN207502400U CN 207502400 U CN207502400 U CN 207502400U CN 201721680470 U CN201721680470 U CN 201721680470U CN 207502400 U CN207502400 U CN 207502400U
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Abstract
The utility model discloses a kind of fluorescent analysis apparatus and water quality on-line monitoring instrument device.Fluorescent analysis apparatus includes transparent detection pipe, ultraviolet light emission unit and detection unit.For housing liquid to be detected, ultraviolet light emission unit is set detection pipe towards detection pipe.Detection unit includes ultraviolet optical detecting unit and fluorescence detection unit.Ultraviolet optical detecting unit is located at the side opposite with ultraviolet light emission unit of detection pipe, for detecting the light intensity of the ultraviolet light through detection pipe.For fluorescence detection unit for detecting the light intensity of pre-detection wavelength fluorescent that liquid to be detected is excited, fluorescence detection unit is located at the outside of detection pipe, and is not provided on the line of ultraviolet light emission unit and ultraviolet optical detecting unit.Fluorescent analysis apparatus can detect liquid to the absorptivity of ultraviolet light and the light intensity of preset wavelength fluorescence simultaneously, obtain the content of the substance of organic matter whole content and pre-detection in liquid to be detected, can more accurately reflect the material composition in liquid to be detected.
Description
Technical field
The utility model is related to the technical fields of water quality detection equipment more particularly to a kind of fluorescent analysis apparatus and water quality to exist
Line monitoring instrument.
Background technology
Fluorescence analysis is a kind of method for detecting substance classes, and basic principle is:Using wavelength is shorter, energy is higher
Light irradiate substance to be detected, after luminous energy is absorbed, electronics from ground state is excited and transits to higher energy level substance, returns again to
During to ground state or lower level, corresponding emergent light can be sent out.The emergent light that substance generates after being excited is known as fluorescence, different
The wavelength and light intensity for the fluorescence that the substance of type is sent out under the excitation of default exciting light are often different, therefore, are produced by detecting
The light intensity and wavelength of raw fluorescence can analyze the type of substance to be detected.
Fluorescence analysis due to without with substance to be detected contact and can analyze, detection rapidly and conveniently, use extensively
In water quality detection equipment.But in existing detection device, typically just containing for certain pollutant is judged by detecting fluorescence
Amount, can not detect whole content of organics.
Utility model content
First purpose of the utility model is to propose that organic matter whole content and pre-detection type substance can be detected
The fluorescent analysis apparatus of content.
For this purpose, the utility model uses following technical scheme:
A kind of fluorescent analysis apparatus, including:
Transparent detection pipe, for housing liquid to be detected;
Ultraviolet light emission unit, for generating ultraviolet light, the ultraviolet light emission unit is set towards detection pipe;With
Detection unit, detection unit are used to detect the light intensity of the light of pre-detection wavelength, and detection unit includes ultraviolet light detection
Unit and fluorescence detection unit;Wherein,
Ultraviolet optical detecting unit is located at the side opposite with ultraviolet light emission unit of detection pipe, for detecting through detection
The light intensity of the ultraviolet light of pipe,
Fluorescence detection unit is used to detect the light intensity of the fluorescence of pre-detection wavelength that liquid to be detected is excited, fluoroscopic examination
Unit is located at the outside of detection pipe, and is not provided on the line of ultraviolet light emission unit and ultraviolet optical detecting unit.
Wherein, detection unit towards detection pipe be provided with only allow pre-detection wavelength light by optical filter.
Wherein, the quantity at least two of fluorescence detection unit, and different fluorescence detection units set respectively in cardiac wave
Long different optical filter.
Wherein, fluorescence detection unit include the first fluorescence detection unit and the second fluorescence detection unit, the first fluorescence inspection
It surveys unit and is provided with the optical filter that centre wavelength is 340nm, the second fluorescence detection unit is provided with the filter that centre wavelength is 430nm
Mating plate.
Wherein, the first fluorescence detection unit, ultraviolet light emission unit, the second fluorescence detection unit and ultraviolet optical detecting unit
It is enclosed successively set on the periphery of detection pipe.
Wherein, ultraviolet optical detecting unit is provided with uv filter, the centre wavelength and ultraviolet light of uv filter
The ultraviolet wavelength of transmitter unit transmitting is consistent.
Wherein, detection pipe is quartz ampoule.
Wherein, fluorescent analysis apparatus further includes fixed frame, and the middle part of fixed frame forms receiving hole, and the surrounding of receiving hole is convex
If forming support portion, detection pipe is arranged in receiving hole, and ultraviolet light emission unit, ultraviolet optical detecting unit and fluorescence detection unit are equal
It is fixed on support portion.
Wherein, at least on the side of receiving hole, support portion includes integral support portion and outer support portion, ultraviolet light emission list
First, ultraviolet optical detecting unit or fluorescence detection unit and integral support portion are fixed, and integral support portion is protruded in short transverse in outer support portion
And the component being connect with integral support portion, outer support portion are used to fix with external fixed part.
Second purpose of the utility model is to propose a kind of water quality on-line monitoring instrument device, and can detect in water quality simultaneously has
The whole content of machine object and the content of organics of pre-detection, and water quality is detected in real time.
For this purpose, the utility model uses following technical scheme:
A kind of water quality on-line monitoring instrument device, which is characterized in that including above-mentioned fluorescent analysis apparatus, the both ends point of detection pipe
It is not connected by conduit with the water for needing to monitor.
Advantageous effect:The utility model provides a kind of fluorescent analysis apparatus and water quality on-line monitoring instrument device.Fluorescence analysis
Device includes transparent detection pipe, ultraviolet light emission unit and detection unit.Detection pipe is used to house liquid to be detected, ultraviolet light
For generating ultraviolet light, ultraviolet light emission unit is set transmitter unit towards detection pipe.Detection unit is used to detect pre-detection wave
The light intensity of long light, detection unit include ultraviolet optical detecting unit and fluorescence detection unit.Ultraviolet optical detecting unit is located at detection
The side opposite with ultraviolet light emission unit of pipe, for detecting the light intensity of the ultraviolet light through detection pipe.Fluorescence detection unit
For detecting the light intensity of pre-detection wavelength fluorescent that liquid to be detected is excited, fluorescence detection unit is located at the outside of detection pipe,
And it is not provided on the line of ultraviolet light emission unit and ultraviolet optical detecting unit.Fluorescent analysis apparatus is corresponding purple by setting
Outer optical detecting unit and fluorescence detection unit can detect absorptivity and preset wavelength of the liquid to be detected to ultraviolet light simultaneously
The light intensity of fluorescence.It can reflect the organic matter whole content in liquid to be detected to the absorptivity of ultraviolet light, to preset wavelength fluorescence
Light intensity detection can detect pre-detection substance content, can more accurately reflect the substance group in liquid to be detected
Into.
Description of the drawings
Fig. 1 is the explosive view of the detection part of fluorescent analysis apparatus provided by the utility model.
Fig. 2 is the detection part of fluorescent analysis apparatus provided by the utility model and the explosive view of fixed frame.
Fig. 3 is the installation diagram of fluorescent analysis apparatus provided by the utility model.
Wherein:
1- detection pipes, 2- ultraviolet light emission units, the ultraviolet optical detecting units of 3-, the first fluorescence detection units of 41-, 42-
Two fluorescence detection units, 5- fixed frames, 51- support portions, 511- integral support portions, 512- outer supports portion, 6- conduits, a- incidences are ultraviolet
Light, b, c- fluorescence, d- ultraviolet transmissive light.
Specific embodiment
The technical issues of to solve the utility model, the technical solution used and the technique effect reached are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.
As shown in FIG. 1 to 3, the embodiment of the utility model provides a kind of fluorescent analysis apparatus, for liquid etc.
Fluorescence analysis is carried out, detects in liquid whether contain some kinds of substance.As shown in Figure 1, fluorescent analysis apparatus is including transparent
Detection pipe 1, ultraviolet light emission unit 2 and detection unit.
For transparent detection pipe 1 for housing liquid to be detected, transparent detection pipe 1 can be to avoid influence incident light or outgoing
Light reduces the influence to testing result.For off-line type detection, liquid to be detected can be individually poured into detection pipe 1.It is right
For online detection, the both ends of detection pipe 1 can be passed through conduit 6 and fluid connection to be detected, you can continuous real-time
Detection, for example, for water quality detection, the both ends of detection pipe 1 are connect respectively by conduit 6 with water pipe, you can inspection in real time
Survey water quality.
Ultraviolet light emission unit 2 mainly includes control panel and light head for generating ultraviolet light.Ultraviolet light emission unit
2 are set towards detection pipe 1, the ultraviolet light of generation (incident uv a) in Fig. 1 can with the liquid in directive detection pipe 1 so that
It obtains after the substance in liquid is excited and generates corresponding fluorescence.The wavelength for the ultraviolet light that ultraviolet light emission unit 2 is sent out can be set
More commonly used 280nm is set to, the ultraviolet light of 280nm can excite common water quality pollutant to generate corresponding fluorescence.Due to
Quartz does not absorb ultraviolet light, and therefore, quartz ampoule may be used in detection pipe 1.
Detection unit is used to detect the light intensity of the light of pre-detection wavelength, in order to improve accuracy of detection, detection unit towards
The position of detection pipe 1 be provided with only allow pre-detection wavelength light by optical filter, to avoid other wavelength light to detection
The influence of unit.Specifically, detection unit includes ultraviolet optical detecting unit 3 and fluorescence detection unit.In the present embodiment, fluorescence
Detection unit includes the first fluorescence detection unit 41 and the second fluorescence detection unit 42.
Ultraviolet optical detecting unit 3 is located at the side opposite with ultraviolet light emission unit 2 of detection pipe 1, is penetrated for detecting
Ultraviolet light (the light intensity of the ultraviolet transmissive light d) in Fig. 1 of detection pipe 1.Ultraviolet optical detecting unit 3 mainly includes the light of detection light intensity
Electric transducer and corresponding control panel, in order to accurately detect the light intensity of ultraviolet light, ultraviolet optical detecting unit 3 can be towards detection
The position setting uv filter of pipe 1, the centre wavelength of uv filter and the ultraviolet light of the transmitting of ultraviolet light emission unit 2
Consistent wavelength only allows corresponding ultraviolet light to pass through so that photoelectric sensor can accurately measure penetrated from detection pipe 1 it is ultraviolet
Light with reference to the light intensity of ultraviolet light emission unit 2, can calculate absorptivity of the liquid to be detected to ultraviolet light.To ultraviolet light
Absorptivity can reflect the organic matter whole content in liquid to be detected.
Fluorescence detection unit is located at the outside of detection pipe 1, glimmering for detecting the pre-detection wavelength that liquid to be detected is excited
Light (the light intensity of fluorescence b and fluorescence c) in Fig. 1.For example, for water, common pollution may be containing excessive albumen
Matter or humus, if it is desired to detect and whether contain protein in liquid to be detected, then can detect in liquid to be detected is
Light intensity of the no wavelength for the light of 340nm or so, if it is desired to detect and whether contain humus in liquid to be detected, then can detect
In liquid to be detected whether light intensity of the wavelength for the light of 430nm or so.Light by the fluorescence for detecting corresponding pre-detection wavelength
By force, it can know whether that there is corresponding substance.In the present embodiment, the first fluorescence detection unit 41 is for detecting 340nm
The light intensity of the fluorescence of wavelength, the second fluorescence detection unit 42 is the light intensity for detecting the fluorescence of 430nm wavelength, to detect respectively
Whether there is protein and humus in liquid to be detected.It, can be in the first fluorescence detection unit 41 in order to improve accuracy of detection
The optical filter that upper setting centre wavelength is 340nm, sets the optical filtering that centre wavelength is 430nm on the second fluorescence detection unit 42
Piece.The centre wavelength of optical filter refers to the highest band wavelength of transmitance, in order to improve accuracy, the optical filter in the present embodiment
As possible using spike filter, to reduce the influence of the light of the wavelength except pre-detection range.In order to avoid fluorescence detection unit
Influence to ultraviolet optical detecting unit 3, fluorescence detection unit cannot be arranged on ultraviolet light emission unit 2 and ultraviolet optical detecting unit
On 3 line.
The fluorescent analysis apparatus of the present embodiment is by setting ultraviolet optical detecting unit 3 that can measure liquid to be detected to ultraviolet
The absorptivity of light detects the light intensity of the fluorescence of the wavelength of pre-detection with reference to fluorescence detection unit, can quickly judge to be detected
Organic matter whole content and whether there is the substance of pre-detection in liquid, such as protein, humus etc. treat detectable substance
The detection of middle organic matter is more accurate.
In the present embodiment, optical filter can improve corresponding accuracy of detection, also, by replacing different optical filters,
The type of the light of i.e. changeable detection, thus it is possible to vary the type of pre-detection substance can greatly improve versatility.For this reality
For applying example, optical filter is fixed on by gland on control panel, can directly replace corresponding filter by dismantling gland
Piece, it is easy to use.
In the present embodiment, the quantity of fluorescence detection unit is two, has been divided into the first fluorescence detection unit 41 and second
Fluorescence detection unit 42 can detect the content of the protein and humus in liquid to be detected simultaneously.Certainly, fluoroscopic examination list
The quantity of member can be more than two, and the quantity that can detect type according to actual needs determines, but in general, different is glimmering
Optical detecting unit sets the different optical filter of centre wavelength respectively, to detect the light of different wavelength respectively, so as to detect difference
The substance of type.
In the present embodiment, the first fluorescence detection unit 41, ultraviolet light emission unit 2,42 and of the second fluorescence detection unit
Ultraviolet optical detecting unit 3 is enclosed successively set on the periphery of detection pipe 1.Wherein, the first fluorescence detection unit 41 and the second fluoroscopic examination
Unit 42 is also disposed at the both sides of the opposition of detection pipe 1.Such arrangement is compact, and will not be each other between each detection unit
It influences.
For the ease of fixed test pipe 1 and detection unit, the fluorescent analysis apparatus of the present embodiment further includes fixed frame 5, Gu
The middle part for determining frame 5 forms receiving hole, and the surrounding projection of receiving hole forms support portion 51, and detection pipe 1 is arranged in receiving hole, ultraviolet light
Transmitter unit 2, ultraviolet optical detecting unit 3 and fluorescence detection unit are both secured to support portion 51.As shown in figure 3, pass through fixed frame
5, each detection unit and ultraviolet light emission unit 2 and detection pipe 1 can be formed overall structure, not only stable structure, and
And convenient for being assembled with other component.Each detection unit and ultraviolet light emission unit 2 can be fixed by screws in support portion 51
Outer end, screw fixation, overall structure stablize.Further, it is also possible to by clampings such as buckles, as long as can be fixedly secured i.e.
It can.
It is fixed for the ease of fixed frame 5 and the other component fixed plate of bottom (such as in Fig. 3), on the top of receiving hole and
Bottom end, support portion 51 include integral support portion 511 and outer support portion 512,511 and first fluorescence detection unit of integral support portion on top
41 fix, and the integral support portion 511 of bottom end is fixed with the second fluorescence detection unit 42, and outer support portion 512 is in short transverse protrusion
Support portion 511 and the component being connect with integral support portion 511, outer support portion 512 are used to fix with external fixed part, avoid with
Other parts generate interference.Certainly, integral support portion 511 and outer support portion 512 can only be disposed on the side of receiving hole, also may be used
All being set in more sides, integral support portion 511 can be with ultraviolet light emission unit 2, ultraviolet optical detecting unit 3 or fluoroscopic examination list
Member is fixed.
The present embodiment additionally provides a kind of water quality on-line monitoring instrument device, and on-line real-time measuremen is carried out for water.Water quality is online
Monitoring instrument includes above-mentioned fluorescent analysis apparatus, and the both ends of detection pipe 1 are connected respectively by conduit 6 with the water for needing to monitor.It is glimmering
Light analytical equipment tests and analyzes device as one in online monitoring instruments, after conduit 6 is connected with the both ends of detection pipe 1,
The content of pre-detection substance in the water for flowing through detection pipe 1, such as the concentration of protein, humus, Yi Jishui can be analyzed in real time
The whole content of middle organic matter obtains organic contamination degree.Using above-mentioned fluorescent analysis apparatus, the water quality of the application is supervised online
Water quality can in real time and accurately be detected by surveying device, greatly improve the efficiency of detection, reduce detection workload, and utilize detection
The absorptivity of ultraviolet light obtains organic matter whole content, can be best understood from the organic contamination degree of water quality on the whole.
Water quality on-line monitoring device is generally additionally provided with monitoring system, and monitoring system can read water quality testing data,
Prompting is sent out after pollutant is exceeded in water quality.
More than content is only the preferred embodiment of the utility model, for those of ordinary skill in the art, according to this reality
With novel thought, there will be changes, the content of the present specification should not be construed as in specific embodiments and applications
Limitation to the utility model.
Claims (10)
1. a kind of fluorescent analysis apparatus, which is characterized in that including:
Transparent detection pipe (1), for housing liquid to be detected;
Ultraviolet light emission unit (2), for generating ultraviolet light, the ultraviolet light emission unit (2) sets towards the detection pipe (1)
It puts;With
Detection unit, the detection unit are used to detect the light intensity of the light of pre-detection wavelength, and the detection unit includes ultraviolet light
Detection unit (3) and fluorescence detection unit;Wherein,
The ultraviolet optical detecting unit (3) is positioned at one opposite with the ultraviolet light emission unit (2) of the detection pipe (1)
Side, for detecting the light intensity of the ultraviolet light through the detection pipe (1),
The fluorescence detection unit is described for detecting the light intensity of the fluorescence of pre-detection wavelength that the liquid to be detected is excited
Fluorescence detection unit is located at the outside of the detection pipe (1), and is not provided in the ultraviolet light emission unit (2) and described ultraviolet
On the line of optical detecting unit (3).
2. fluorescent analysis apparatus as described in claim 1, which is characterized in that the detection unit is towards the detection pipe (1)
Be provided with only allow the light of the pre-detection wavelength by optical filter.
3. fluorescent analysis apparatus as claimed in claim 2, which is characterized in that the quantity of the fluorescence detection unit is at least two
A and different fluorescence detection unit sets the different optical filter of centre wavelength respectively.
4. fluorescent analysis apparatus as claimed in claim 3, which is characterized in that the fluorescence detection unit includes the first fluorescence
Detection unit (41) and the second fluorescence detection unit (42), first fluorescence detection unit (41) are provided with centre wavelength and are
The optical filter of 340nm, second fluorescence detection unit (42) are provided with the optical filter that centre wavelength is 430nm.
5. fluorescent analysis apparatus as claimed in claim 4, which is characterized in that first fluorescence detection unit (41), described
Ultraviolet light emission unit (2), second fluorescence detection unit (42) and the ultraviolet optical detecting unit (3) are enclosed successively set on institute
State the periphery of detection pipe (1).
6. fluorescent analysis apparatus as claimed in claim 2, which is characterized in that the ultraviolet optical detecting unit (3) is provided with purple
Outer smooth optical filter, the centre wavelength of the uv filter and the ultraviolet wavelength of the ultraviolet light emission unit (2) transmitting
Unanimously.
7. fluorescent analysis apparatus as described in claim 1, which is characterized in that the detection pipe (1) is quartz ampoule.
8. such as claim 1~7 any one of them fluorescent analysis apparatus, which is characterized in that fixed frame (5) is further included, it is described
The middle part of fixed frame (5) forms receiving hole, and the surrounding projection of the receiving hole forms support portion (51), and the detection pipe (1) is worn
Set on the receiving hole, the ultraviolet light emission unit (2), the ultraviolet optical detecting unit (3) and the fluorescence detection unit
It is both secured to the support portion (51).
9. fluorescent analysis apparatus as claimed in claim 8, which is characterized in that described at least on the side of the receiving hole
Support portion (51) includes integral support portion (511) and outer support portion (512), the ultraviolet light emission unit (2), ultraviolet light inspection
It is fixed with the integral support portion (511) to survey unit (3) or the fluorescence detection unit, the outer support portion (512) is in height side
To the component for protruding the integral support portion (511) and being connect with the integral support portion (511), the outer support portion (512) is used
It is fixed in external fixed part.
10. a kind of water quality on-line monitoring instrument device, which is characterized in that filled including the fluorescence analysis of claim 1~9 any one of them
It puts, the both ends of the detection pipe (1) are connected respectively by conduit (6) with the water for needing to monitor.
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CN107748155A (en) * | 2017-12-06 | 2018-03-02 | 深圳市水务科技有限公司 | A kind of fluorescent analysis apparatus and water quality on-line monitoring instrument device |
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CN107748155A (en) * | 2017-12-06 | 2018-03-02 | 深圳市水务科技有限公司 | A kind of fluorescent analysis apparatus and water quality on-line monitoring instrument device |
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Legal Events
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CB03 | Change of inventor or designer information |
Inventor after: Xu Weigang Inventor after: Wan Ruyi Inventor after: Huang Yuanqiang Inventor after: Li Chuang Inventor after: Li Zhen Inventor before: Xu Weigang |
|
CB03 | Change of inventor or designer information |