CN208091953U - ROHS heavy metal analysis equipment - Google Patents
ROHS heavy metal analysis equipment Download PDFInfo
- Publication number
- CN208091953U CN208091953U CN201820309974.1U CN201820309974U CN208091953U CN 208091953 U CN208091953 U CN 208091953U CN 201820309974 U CN201820309974 U CN 201820309974U CN 208091953 U CN208091953 U CN 208091953U
- Authority
- CN
- China
- Prior art keywords
- reflection
- transmission mirror
- hollow cathode
- reference light
- mounting portion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of ROHS heavy metal analysis equipment, it includes excitation light source module, and excitation light source module includes fixed part, mounting portion, the multiple hollow cathode lamps for being installed on mounting portion side, the rack for being fixedly arranged on the mounting portion other side and the driving device engaged with rack；Reflection and transmission mirror；Atomizer；Photodetector unit；Reference light detection module, reference light detection module include optical fiber and photoelectric detector；At least one hollow cathode lamp and the reflection and transmission mirror are set in same optical axis and the angle between the reflection and transmission mirror normal and the optical axis of the hollow cathode lamp is not 0 degree or 90 degree, the wide part that the hollow cathode lamp is sent out is transmitted via the reflection and transmission mirror toward the atomizer direction, and small part is reflected into reference light projection to the reference light detection module direction by the reflection and transmission mirror.Compared with the relevant technologies, the utility model can be achieved quickly to adjust different element hollow cathode lamps to detect different elements.
Description
Technical field
The utility model is related to atomic fluorescence detection field more particularly to a kind of ROHS heavy metal analysis equipment.
Background technology
ROHS is the mandatory standard formulated by European Union's legislation, which has started on July 1st, 2006 formal real
It applies, is mainly used for the material and technological standards of specification electronic and electrical equipment, be allowed to be more conducive to health and environmental protection.
Atomic fluorescence spectrometry be by detect gaseous state element to be measured ground state atom inspired by radiation of light source it is glimmering
The radiation intensity of light quantifies the analysis method of analytical element content to be measured.Atomic fluorescence based on atomic fluorescence spectrometry principle
The element to be measured for the atomic state that detection device is generated using the hollow cathode light irradiation of element to be measured through atomizer, excitation are to be measured
The atom of element generates fluorescence, measures fluorescence signal by photoelectric detector, is converted to electric signal, carries out quantitative detection.
However in the related technology, a kind of hollow cathode lamp of element can only once detect a kind of content of element, need to examine
The hollow cathode lamp of another element is then replaced when surveying another constituent content to use, both increased so manually at
This is also unfavorable for the efficiency of detection.
It is therefore desirable to provide a kind of new ROHS heavy metal analysis equipment to solve the above problems.
Utility model content
The utility model technical issues that need to address be to provide it is a kind of can quick-replaceable difference element hollow cathode lamp
ROHS heavy metal analysis equipment.
In order to solve the above technical problems, the utility model provides a kind of ROHS heavy metal analysis equipment.It includes excitation
Light source module group, the excitation light source module includes fixed part, the mounting portion that is contained in the fixed part, is installed on the installation
Multiple vertically spaced hollow cathode lamps of portion side, be fixedly arranged on the mounting portion the other side rack and with
The driving device of the rack engagement, the driving device drive mounting portion described in the rack drives to be moved down on vertically
Dynamic, the corresponding characteristic spectral line of emergent light of multiple hollow cathode lamps corresponds to different elements to be measured and coaxial arrangement；Reflection
Diaphotoscope, the reflection and transmission mirror are arranged with excitation light source module interval；Atomizer, the atomizer with it is described anti-
Penetrate the setting of diaphotoscope interval；Photodetector unit, for the optical signal detected to be converted to electric signal；Reference light detection mould
Group, the reference light detection module include optical fiber and the photoelectric detector that is connect with the optical fiber；Wherein：At least one sky
Heart cathode modulation and the reflection and transmission mirror are set in same optical axis and the reflection and transmission mirror normal and the hollow cathode
Angle between the optical axis of lamp is not 0 degree or 90 degree, and the wide part which sends out is via the reflection
Diaphotoscope is transmitted toward the atomizer direction, and small part is reflected into reference light projection to the reference by the reflection and transmission mirror
Light detection module direction, the optical fiber receive the reference light and are conducted again to photoelectric detector detection.
Preferably, the reflection and transmission mirror is the flat window of quartz.
Preferably, the reflection and transmission mirror shape be rectangle, circle, ellipse, it is rectangular in one kind.
Preferably, the reference light optical axis coincidence that the optical fiber normal is reflected to form with the reflection and transmission mirror.
Preferably, the driving device includes and the rack meshed gears.
Compared with the relevant technologies, ROHS heavy metal analysis equipment provided by the utility model by be arranged the mounting portion come
The fixed hollow cathode lamp containing different elements, and drive the mounting portion movement to adjust not by the driving device
Different elements are detected with the hollow cathode lamp of element, while effective by the reference light detection module energy synchronization gain
Reference optical signal be used for reflect in real time and calibrate the hollow cathode lamp the intensity of light source variation.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model ROHS heavy metal analysis equipment；
Fig. 2 is excitation light source module dimensional structure diagram shown in Fig. 1.
Specific implementation mode
Below in conjunction with drawings and embodiments, the utility model is described in further detail.
Referring to Fig. 1, the utility model provides a kind of ROHS heavy metal analysis equipment comprising excitation light source module
10, reflection and transmission mirror 20, atomizer 30, photodetector unit (not shown), reference light detection module 40.The excitation light source
Module 10, the reflection and transmission mirror 20, the atomizer 30 and the photodetector unit (not shown) are spaced setting successively.
Fig. 2 is please referred to, the excitation light source module 10 includes multiple vertically interval settings and corresponding difference
The hollow cathode lamp 11 of element to be detected, the fixed hollow cathode lamp 11 fixing device 12 and nibbled with the fixing device 12
The driving device 13 of conjunction.
The characteristic spectral line of the emergent light of multiple hollow cathode lamps 11 corresponds respectively to different element to be measured and coaxial
Setting, i.e., each hollow cathode lamp 11 is for detecting different elements.
Specifically, there are two hollow cathode lamp 11 described in the present embodiment sets.
At least one hollow cathode lamp 11 is set to the reflection and transmission mirror 20 in same optical axis, and the reflection is saturating
The angle penetrated between the normal of mirror 20 and the optical axis of the hollow cathode lamp 11 is not 0 degree or 90 degree.The i.e. described reflection and transmission
Mirror 20, which tilts, to be set between the hollow cathode lamp 11 and the atomizer 30.
The fixing device 12 includes the fixed part 121 of fixed setting, the mounting portion being contained in the fixed part 121
122.The mounting portion 122 can in the fixed part 121 vertically on move linearly.
There are two the fixed part 121 is set, and the gap to form two faces is arranged in two fixed parts 121 interval face
123。
Two fixed parts 121 and two gaps 123 are enclosed a shape and match with the mounting portion 122 jointly
Receiving space, the mounting portion 122 is contained in the receiving space.
Reflection and transmission mirror 20 described in 123 face of the gap is arranged.
The mounting portion 122 includes from past far from 20 side of reflection and transmission mirror close to 20 side of reflection and transmission mirror
Be recessed the groove formed and the rack 1221 for being fixedly arranged on separate 20 side of reflection and transmission mirror.
There are two the groove is set, two hollow cathode lamps 11 are contained in respectively in two grooves.
Specifically, gap 123 described in the groove face is arranged.
The rack 1221 is vertically fixedly arranged on the mounting portion 122 far from 20 side of reflection and transmission mirror.
Specifically, gap 123 described in 1221 face of the rack is arranged.
The driving device 13 includes connecting and consolidating with 1221 meshed gears 131 of the rack and with the gear 131
The motor (not shown) of the fixed gear 131.
The rack 1221 is driven vertically to move up and down by rotating the realization of gear 131, to the tooth
Item 1221 drives the mounting portion 122 vertically to move, so that two grooves on the mounting portion 122
The two interior hollow cathode lamps 11 vertically move, and realize the change to two hollow cathode lamps, 11 position.Also
To say to be changed the position of two hollow cathode lamps 11 by rotating the gear 131 so that originally with the reflection
The hollow cathode lamp 11 of diaphotoscope 20 is vertically moved up or down, by another hollow cathode lamp
11 be moved to 20 same optical axis position of the reflection and transmission mirror, thereby realize described hollow the moon to two kinds of different elements
Pole lamp 11 carries out the change of position, and different elements is quickly detected to realize.
By the way that the fixed part 121 is arranged so that the gear 131 is when driving the rack 1221 to move, described in limitation
The moving direction of rack 1221 so that the rack 1221 can only be moved vertically, that is to say, that by the way that institute is arranged
Stating fixed part 121 can prevent the rack 1221 from being moved in the horizontal direction.That is described solid to a certain extent
Determine portion 121 and be equivalent to sliding rail, the gear 121 drives the rack 1221 to move linearly on sliding rail.
It is understood that being connect with the gear 131 by the way that the motor (not shown) is arranged, (not with the motor
Diagram) the manipulation gear 131 rotation.Simultaneously can by be arranged two hollow cathode lamps 11 vertically between
Gauge controls two skies to be matched with the rotation angle of the gear 131 by driving the rotation of gear 131
The position of heart cathode modulation 11.Spacing distance between the hollow cathode lamp 11 as described in by two be arranged to as described in the rotation of gear 131 half
It drives the distance that the fixing device 12 moves week, will will be realized to described in two after 131 half revolution of the gear in this way
The replacement of the position of hollow cathode lamp 11.That is in embodiment, the motor can be controlled (not by the way that controller is arranged
Diagram) rotation angle is so that achieve the purpose that be switched fast two hollow cathode lamps 11.The electricity as described in controller control
Machine (not shown) rotates clockwise half-turn so that the underlying hollow cathode lamp 11 is moved to the reflection and transmission mirror 20
Place plane, then when half rotation makes the hollow cathode lamp 11 being located above move to the motor (not shown) counterclockwise
It moves to 20 place plane of the reflection and transmission mirror.
It should be noted that there are two hollow cathode lamp 11 described in the present embodiment sets.Certainly in other embodiments, institute
More and vertically interval face setting can be equipped with by stating hollow cathode lamp 11, that is to say, that can be equipped with more different elements
The hollow cathode lamp 11 in detecting more constituent contents in the fixing device 12.Similarly, that is to say, that Ke Yi
More grooves are set on the mounting portion 122 to accommodate the hollow cathode lamp 11.
In the present embodiment, the reflection and transmission mirror 20 is the flat window of quartz.
The reflection and transmission mirror 20 be rectangle, circle, ellipse, it is rectangular in one kind.It is reflected described in the present embodiment saturating
It is rectangular configuration to penetrate mirror 20.Certainly, the reflection and transmission mirror 20 can also be other irregular shapes, and the utility model is not right
This is limited.
It is saturating that the illumination section that the hollow cathode lamp 11 is projeced on the reflection and transmission mirror 20 at least covers the reflection
Penetrate 20 central area of mirror.Specifically, the reflection and transmission mirror 20 be more than close to the area of 11 one side of the hollow cathode lamp it is described
Hollow cathode lamp 11 is projeced into the illuminating area in the face, i.e., the hollow cathode lamp 11 is completely covered in the reflection and transmission mirror 20
Whole region of the beam cross section at 20 setting of reflection and transmission mirror.
The wide part that the hollow cathode lamp 11 is sent out is transmitted via the reflection and transmission mirror 20 toward the atomizer
30 directions, small part are reflected into reference light projection to 40 direction of reference optical test module by the reflection and transmission mirror 20.
The reflection and transmission mirror 20 projects the hollow cathode lamp 11 toward right over the atomizer 30.The atom
Change the reaction of device 30 and form element air column to be measured, fluorescence is generated with the light right over the atomizer 30.
The photodetector unit measures fluorescence signal and is converted to electric signal, carries out quantitative detection.
The reference light detection module 40 includes optical fiber 41 and the photoelectric detector (not shown) being connect with the optical fiber 41.
The reference light optical axis coincidence that 41 normal of the optical fiber is reflected to form with the reflection and transmission mirror 30, and be aligned
The hollow cathode lamp 11 is projeced into the central point of 20 plane of illumination of reflection and transmission mirror.The hollow cathode lamp 11 described in this way projects
Light small part toward the reflection and transmission mirror 20 is reflected into the reference light to the optical fiber 41, then extremely by the conduction of the optical fiber 41
The photoelectric detector detection (not shown) so that the energy effective reference optical signal of synchronization gain is for reflecting in real time and calibrating institute
State the Strength Changes for the light that hollow cathode lamp 11 is sent out.
Compared with the relevant technologies, ROHS heavy metal analysis equipment provided by the utility model by be arranged the mounting portion come
The fixed hollow cathode lamp containing different elements, and drive the mounting portion movement to adjust not by the driving device
Different elements are detected with the hollow cathode lamp of element, while effective by the reference light detection module energy synchronization gain
Reference optical signal be used for reflect in real time and calibrate the hollow cathode lamp the intensity of light source variation.
The above description is only the embodiments of the present invention, and it does not limit the scope of the patent of the present invention, every
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other relevant technical fields, are equally included in the patent within the scope of the utility model.
Claims (5)
1. a kind of ROHS heavy metal analysis equipment, it is characterised in that：Including：
Excitation light source module, the excitation light source module includes fixed part, the mounting portion that is contained in the fixed part, is installed on
Multiple vertically spaced hollow cathode lamps of the mounting portion side, the other side for being fixedly arranged on the mounting portion
Rack and the driving device engaged with the rack, the driving device drive mounting portion described in the rack drives along vertical side
It moves up and down, the corresponding characteristic spectral line of emergent light of multiple hollow cathode lamps corresponds to different elements to be measured and coaxially sets
It sets；
Reflection and transmission mirror, the reflection and transmission mirror are arranged with excitation light source module interval；
Atomizer, the atomizer are arranged with reflection and transmission mirror interval；
Photodetector unit, for the optical signal detected to be converted to electric signal；
Reference light detection module, the reference light detection module include optical fiber and the photoelectric detector that is connect with the optical fiber；
Wherein：At least one hollow cathode lamp is set in same optical axis with the reflection and transmission mirror and the reflection and transmission
Angle between mirror normal and the optical axis of the hollow cathode lamp is not 0 degree or 90 degree, which sends out
Wide part transmitted toward the atomizer direction via the reflection and transmission mirror, small part is reflected by the reflection and transmission mirror
At reference light projection to the reference light detection module direction, the optical fiber receives the reference light and is conducted again to the photoelectricity
Detector detects.
2. ROHS heavy metal analysis equipment according to claim 1, it is characterised in that：The reflection and transmission mirror is that quartz is flat
Window.
3. ROHS heavy metal analysis equipment according to claim 1, it is characterised in that：The reflection and transmission mirror shape is square
Shape, circle, ellipse, it is rectangular in one kind.
4. ROHS heavy metal analysis equipment according to claim 1, it is characterised in that：The optical fiber normal and the reflection
The reference light optical axis coincidence that diaphotoscope reflects to form.
5. ROHS heavy metal analysis equipment according to claim 1, it is characterised in that：The driving device include with it is described
Rack meshed gears.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309974.1U CN208091953U (en) | 2018-03-06 | 2018-03-06 | ROHS heavy metal analysis equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820309974.1U CN208091953U (en) | 2018-03-06 | 2018-03-06 | ROHS heavy metal analysis equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208091953U true CN208091953U (en) | 2018-11-13 |
Family
ID=64061748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820309974.1U Expired - Fee Related CN208091953U (en) | 2018-03-06 | 2018-03-06 | ROHS heavy metal analysis equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208091953U (en) |
-
2018
- 2018-03-06 CN CN201820309974.1U patent/CN208091953U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20080062413A1 (en) | Apparatus and Method for Characterizing a Light Source | |
| CN206339479U (en) | A kind of multichannel atomic fluorescence light path system | |
| CN103698275A (en) | Light measuring device capable of switching between transmission and reflection measurement | |
| CN106872032B (en) | A kind of robot distribution photometer | |
| CN105157958A (en) | Continuous-illuminance, centering, diameter-varying and angle-varying type test platform for lighting lamps | |
| CN203443886U (en) | Three-color fluorescence detector based on white-light LED (Light-Emitting Diode) | |
| CN106353289A (en) | Light path system of POCT fluorescent quantitative analyser and fluorescent quantitative analysis method | |
| CN102854149A (en) | Measuring apparatus for continuous spectrum bidirectional scattering distribution function | |
| KR101237514B1 (en) | Remote detecting apparatus and method for air pollution using differential optical abosrption spectroscopy | |
| CN101097185A (en) | Combined light source of multifunctional atomic absorption spectrometer | |
| CN103954436B (en) | High precision spectral radiometric calibration device | |
| CN203929610U (en) | A kind of light measurer switching between transmission and reflection measurement | |
| CN208091953U (en) | ROHS heavy metal analysis equipment | |
| CN205015271U (en) | Testing arrangement of optical glass bobble lens transmissivity | |
| CN204679421U (en) | Fluorescence detection device | |
| WO2011149162A1 (en) | Dedicated powder-sample holder for terahertz spectroscopy/imaging measurement | |
| KR101816223B1 (en) | LED optical characteristics inspection device and an LED lighting fusion test automation and assembly systems including the same | |
| CN105137416B (en) | A kind of EO-1 hyperion laser radar target sample experimental rig and method | |
| CN102589687A (en) | Light distribution curve instrument | |
| CN205157055U (en) | Multi -functional grating spectrometer experimental apparatus | |
| CN102829864B (en) | Spectrometer brightness self-calibration adjustment and measurement control system and measurement method | |
| CN108731809A (en) | Atomic absorption spectrometer and system | |
| CN203824740U (en) | High precision spectrum radiation scaling device | |
| CN206095942U (en) | Optic system and POCT fluorescent quantitation analysis appearance of POCT fluorescent quantitation analysis appearance | |
| CN1707307A (en) | Optical film thickness monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210306 |