CN204422420U - A kind of fluorescence biosensor chip pick-up unit - Google Patents
A kind of fluorescence biosensor chip pick-up unit Download PDFInfo
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- CN204422420U CN204422420U CN201520111027.8U CN201520111027U CN204422420U CN 204422420 U CN204422420 U CN 204422420U CN 201520111027 U CN201520111027 U CN 201520111027U CN 204422420 U CN204422420 U CN 204422420U
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Abstract
The utility model discloses a kind of fluorescence biosensor chip pick-up unit, comprise shell body, light source activation light path and the shaping light path of fluorescence hot spot is provided with in shell body, the shaping light path of fluorescence hot spot comprises the first lens set gradually from bottom to top, fluorescence dichronic mirror, second lens and cut out tab, feature is that light source activation light path comprises LED light emitting source, the first aperture has been horizontally disposed with successively between LED light emitting source and fluorescence dichronic mirror, 3rd lens and second orifice diaphragm, first aperture comprises the first aperture, second orifice diaphragm comprises second orifice, the horizontal center line of the first aperture, the horizontal center line of second orifice overlaps with the horizontal center line of fluorescence dichronic mirror.Advantage is that the excitation source of light source activation light path adopts LED light emitting source, and LED light emitting source structure is simple, volume is little, power consumption is little and long service life, is convenient to change and safeguard.
Description
Technical field
The utility model relates to a kind of fluorescence biosensor chip checkout equipment, particularly relates to a kind of fluorescence biosensor chip pick-up unit.
Background technology
Fluorescence biosensor chip pick-up unit generally comprises light source activation light path and the shaping light path of fluorescence hot spot, the excitation source that the light source activation light path of fluorescence biosensor chip pick-up unit common at present adopts is generally one-wavelength laser, adopt one-wavelength laser as excitation source, make whole light source activation light channel structure complicated and bulky, cause the quality of whole fluorescence biosensor chip pick-up unit larger, in addition, there is the problem that the life-span is short, power consumption is large in one-wavelength laser, not only overall power is comparatively large to make fluorescence biosensor chip pick-up unit, and serviceable life is short.
Summary of the invention
Technical problem to be solved in the utility model is to provide that a kind of structure is simple, volume is little, power consumption is little and the fluorescence biosensor chip pick-up unit of long service life.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of fluorescence biosensor chip pick-up unit, comprise shell body, light source activation light path and the shaping light path of fluorescence hot spot is provided with in described shell body, the described shaping light path of fluorescence hot spot comprises the first lens set gradually from bottom to top, fluorescence dichronic mirror, second lens and cut out tab, described light source activation light path comprises LED light emitting source, the first aperture has been horizontally disposed with successively between described LED light emitting source and described fluorescence dichronic mirror, 3rd lens and second orifice diaphragm, the first described aperture comprises the first aperture, described second orifice diaphragm comprises second orifice, the horizontal center line of the first described aperture, the horizontal center line of described second orifice overlaps with the horizontal center line of described fluorescence dichronic mirror.
Described LED light source comprises substrate and is arranged on the LED lamp bead on substrate, the first described aperture is arranged on the front of described LED lamp bead, described second orifice diaphragm is arranged on the rear of described fluorescence dichronic mirror, the 3rd described lens are arranged between the first described aperture and described second orifice diaphragm, and described LED lamp bead is just to the first described aperture.This LED light source, structure is simple, and volume is little, and LED lamp bead is just to the first aperture, and the light that LED lamp bead can be enable to launch as far as possible intensively enters into the first aperture, avoids the waste of the energy.
The rear portion of described substrate is provided with driving power, and described LED lamp bead is electrically connected with described driving power.Driving power is arranged on substrate rear portion, is powered by driving power to LED lamp bead, structure is simple, and volume is little.
The diameter of the first described aperture is 0.8mm.This diameter can ensure that the last fluorescence hot spot formed is less than 3mm, is convenient to observe and detect.
The diameter of described second orifice is 5mm.This diameter makes can all be entered into second orifice diaphragm by the light source of the first aperture and be projected on fluorescence spectrophotometer mirror, avoids the waste of the energy.
Compared with prior art, the utility model has the advantage of: the excitation source of light source activation light path adopts LED light emitting source, and LED light emitting source structure is simple, volume is little, power consumption is little and long service life, be convenient to change and safeguard; Between LED light emitting source and fluorescence dichronic mirror, be horizontally disposed with the first aperture, the 3rd lens and second orifice diaphragm successively, controlled shape and the size of hot spot by the first aperture and second orifice diaphragm; The horizontal center line of the second orifice on the horizontal center line of the first aperture on the first aperture, second orifice diaphragm overlaps with the horizontal center line of fluorescence dichronic mirror, the light sent by LED light emitting source can be projected on fluorescence spectrophotometer mirror exactly, avoiding the waste of the energy simultaneously, improve the accuracy observed and detect.
Accompanying drawing explanation
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is optical system diagram of the present utility model;
Fig. 3 is the sectional structure schematic diagram of the first aperture in the utility model;
Fig. 4 is the sectional structure schematic diagram of second orifice diaphragm in the utility model.
Embodiment
Below in conjunction with accompanying drawing embodiment, the utility model is described in further detail.
As shown in Figures 1 to 4, a kind of fluorescence biosensor chip pick-up unit, comprise shell body 1, light source activation light path 3 and the shaping light path 2 of fluorescence hot spot is provided with in shell body 1, the shaping light path 2 of fluorescence hot spot comprises the first lens 21 set gradually from bottom to top, fluorescence dichronic mirror 22, second lens 23 and cut out tab 24, light source activation light path 3 comprises LED light emitting source 31, the first aperture 32 has been horizontally disposed with successively between LED light emitting source 31 and fluorescence dichronic mirror 22, 3rd lens 33 and second orifice diaphragm 34, first aperture 32 comprises the first aperture 321, second orifice diaphragm 34 comprises second orifice 341, the horizontal center line of the first aperture 321, the horizontal center line of second orifice 341 overlaps with the horizontal center line of fluorescence dichronic mirror 22.
In this particular embodiment, the LED lamp bead 312 that LED light emitting source 31 comprises substrate 311 and is arranged on substrate 311, first aperture 32 is arranged on the front of LED lamp bead 311, second orifice diaphragm 34 is arranged on the rear of fluorescence dichronic mirror 22,3rd lens 33 are arranged between the first aperture 32 and second orifice diaphragm 34, and LED lamp bead 312 is just to the first aperture 321.This LED light source, structure is simple, and volume is little, and LED lamp bead 312 is just to the first aperture 321, and the light that LED lamp bead 312 can be enable to launch as far as possible intensively enters into the first aperture 32, avoids the waste of the energy.
In this particular embodiment, the rear portion of substrate 311 is provided with driving power 4, and LED lamp bead 312 is electrically connected with driving power 4.Driving power 4 is arranged on substrate 311 rear portion, power to LED lamp bead 312 by driving power 4, structure is simple, and volume is little.
In this particular embodiment, the diameter D of the first aperture 321 is 0.8mm.This diameter D can ensure that the last fluorescence hot spot formed is less than 3mm, is convenient to observe and detect.
In this particular embodiment, the diameter d of second orifice 341 is 5mm.This diameter d makes can all be entered into second orifice diaphragm 34 by the light source of the first aperture 321 and be projected on fluorescence spectrophotometer mirror 22, avoids the waste of the energy.
In this particular embodiment, the top of cut out tab 24 is provided with fluorescence hot spot acquisition system 5, receives and detects the intensity of fluorescence excitation by this fluorescence hot spot acquisition system 5, to obtain the information of biochip.
In this particular embodiment, the first lens 21, second lens 23 and the 3rd lens 33 are convex lens.
Specific works principle is: the light that LED lamp bead 312 sends enters into the first aperture 32, directional light is formed through the 3rd lens 33, directional light enters into second orifice diaphragm 34, reflect through fluorescence dichronic mirror 22, the imaging forming LED light source is focused on by the first lens 21, the diameter of this imaging (i.e. fluorescence hot spot) is 1.1mm, and then form LED exciting light, this exciting light projects sample face 6, fluorescence is sent after the biochip sample be placed on sample face 6 is excited, and reflection is through the first lens 21, fluorescence spectrophotometer mirror 22, second lens 23, the fluorescence hot spot that cut out tab 24 forms specific size receives for fluorescence hot spot acquisition system 5 and measures the intensity of fluorescence excitation, to obtain the information of biochip.
Claims (5)
1. a fluorescence biosensor chip pick-up unit, comprise shell body, light source activation light path and the shaping light path of fluorescence hot spot is provided with in described shell body, the described shaping light path of fluorescence hot spot comprises the first lens set gradually from bottom to top, fluorescence dichronic mirror, second lens and cut out tab, it is characterized in that described light source activation light path comprises LED light emitting source, the first aperture has been horizontally disposed with successively between described LED light emitting source and described fluorescence dichronic mirror, 3rd lens and second orifice diaphragm, the first described aperture comprises the first aperture, described second orifice diaphragm comprises second orifice, the horizontal center line of the first described aperture, the horizontal center line of described second orifice overlaps with the horizontal center line of described fluorescence dichronic mirror.
2. a kind of fluorescence biosensor chip pick-up unit as claimed in claim 1, it is characterized in that described LED light emitting source comprises substrate and is arranged on the LED lamp bead on substrate, the first described aperture is arranged on the front of described LED lamp bead, described second orifice diaphragm is arranged on the rear of described fluorescence dichronic mirror, the 3rd described lens are arranged between the first described aperture and described second orifice diaphragm, and described LED lamp bead is just to the first described aperture.
3. a kind of fluorescence biosensor chip pick-up unit as claimed in claim 2, it is characterized in that the rear portion of described substrate is provided with driving power, described LED lamp bead is electrically connected with described driving power.
4. a kind of fluorescence biosensor chip pick-up unit as claimed in claim 1 or 2, is characterized in that the diameter of the first described aperture is 0.8mm.
5. a kind of fluorescence biosensor chip pick-up unit as claimed in claim 1 or 2, is characterized in that the diameter of described second orifice is 5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111027.8U CN204422420U (en) | 2015-02-15 | 2015-02-15 | A kind of fluorescence biosensor chip pick-up unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520111027.8U CN204422420U (en) | 2015-02-15 | 2015-02-15 | A kind of fluorescence biosensor chip pick-up unit |
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| CN204422420U true CN204422420U (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520111027.8U Expired - Fee Related CN204422420U (en) | 2015-02-15 | 2015-02-15 | A kind of fluorescence biosensor chip pick-up unit |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842217A (en) * | 2016-05-19 | 2016-08-10 | 西安交通大学 | Up-conversion fluorescence tomography test paper detection result reading device based on mobile terminal |
| CN107219631A (en) * | 2017-06-09 | 2017-09-29 | 北京百康芯生物科技有限公司 | A kind of utilization LED/light source produces the device of uniform strip light spots |
| CN109781689A (en) * | 2019-02-01 | 2019-05-21 | 宁波大学 | A kind of fluorescent biochip detector |
| CN109781689B (en) * | 2019-02-01 | 2024-07-02 | 浙江正合谷生物科技有限公司 | Fluorescent biochip detector |
-
2015
- 2015-02-15 CN CN201520111027.8U patent/CN204422420U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105842217A (en) * | 2016-05-19 | 2016-08-10 | 西安交通大学 | Up-conversion fluorescence tomography test paper detection result reading device based on mobile terminal |
| CN105842217B (en) * | 2016-05-19 | 2019-08-23 | 西安交通大学 | A kind of up-conversion fluorescence chromatographic test paper testing result reading device based on mobile terminal |
| CN107219631A (en) * | 2017-06-09 | 2017-09-29 | 北京百康芯生物科技有限公司 | A kind of utilization LED/light source produces the device of uniform strip light spots |
| CN109781689A (en) * | 2019-02-01 | 2019-05-21 | 宁波大学 | A kind of fluorescent biochip detector |
| CN109781689B (en) * | 2019-02-01 | 2024-07-02 | 浙江正合谷生物科技有限公司 | Fluorescent biochip detector |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150624 Termination date: 20190215 |
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| CF01 | Termination of patent right due to non-payment of annual fee |