CN201653889U - Multipath light splitting device for biochemical analyzer - Google Patents
Multipath light splitting device for biochemical analyzer Download PDFInfo
- Publication number
- CN201653889U CN201653889U CN2010201673398U CN201020167339U CN201653889U CN 201653889 U CN201653889 U CN 201653889U CN 2010201673398 U CN2010201673398 U CN 2010201673398U CN 201020167339 U CN201020167339 U CN 201020167339U CN 201653889 U CN201653889 U CN 201653889U
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- CN
- China
- Prior art keywords
- optical fiber
- circuit board
- photoelectric cell
- mount pad
- biochemical analyzer
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model relates to a multipath light splitting device for a biochemical analyzer, which comprises an optical fiber head, a filter, an optical fiber mounting seat, a photoelectric cell, a shielding baseplate and a shielding cover, wherein a circuit board is arranged on the optical fiber mounting seat, the photoelectric cell is mounted on the circuit board, the shielding baseplate, the optical fiber mounting seat and the shielding cover form a closed cavity, the circuit board and the photoelectric cell thereon are completely positioned in the closed cavity, a counterbore hole is formed on the optical fiber mounting seat, the filter is arranged in the counterbore hole, and the optical fiber head is arranged in the counterbore hole by plug-in connection for compressing the filter and fixed on the optical fiber mounting seat by using a screw. The shielding baseplate, the optical fiber mounting seat and the shielding cover of the multipath light splitting device for the biochemical analyzer form the closed cavity, and the circuit board and the photoelectric cell thereon are completely positioned in the closed cavity, the closed integral structure can completely isolate the photoelectric cell and the circuit board from the outside, thereby effectively preventing the interferences of external electromagnetism and external light.
Description
Technical field
The utility model relates to the critical component of the automatic clinical chemistry analyzer in a kind of medical machinery field, is meant that specifically source light is via the multi-channel optical fibre beam split and light signal is converted to the Biochemical Analyzer arrangement for generating multi-beams of electronic signal by electronic system.
Background technology
In the automatic clinical chemistry analyzer of clinical use, the stability of light path directly has influence on the stability of test result, so light path system is very crucial in an instrument system.There are complex structure in beam splitting system and back beam splitting system before at present the light path system of the automatic clinical chemistry analyzer of throwing in market mainly is divided in the light-dividing device in the past, extraneous light interference, defectives such as outside electromagnetic interference.
The utility model content
The technical problems to be solved in the utility model provides a kind of Biochemical Analyzer arrangement for generating multi-beams, and this device is divided into required way with light, and guarantees the stability of light path according to the demand of biochemical reaction.
In order to solve the problem that prior art exists, the technical solution adopted in the utility model is:
The Biochemical Analyzer arrangement for generating multi-beams, include optical fiber head, optical filter, optical fiber mount pad, photoelectric cell, shielded backplane and radome, the optical fiber mount pad is provided with circuit board, photoelectric cell is installed on the circuit board, described shielded backplane, optical fiber mount pad and radome form closed cavity, circuit board and on photoelectric cell all be positioned at closed cavity, have the ladder counterbore on the optical fiber mount pad, be provided with optical filter in the ladder counterbore, optical fiber head is inserted in the ladder counterbore optical filter is compressed, and is screwed on the optical fiber mount pad.
Described optical fiber head is made up of optical fiber more than one minute, optical fiber fixed cover, screw, condenser lens, lens hold-down ring and locating sleeve, be set with optical fiber more than one minute in one end of optical fiber fixed cover, and fix in the side with screw, the other end of optical fiber fixed cover is provided with the ladder counterbore, in the ladder counterbore, condenser lens is installed, the opposite side of condenser lens is lined with the lens hold-down ring, and the optical fiber fixed cover is threaded with locating sleeve.
Described optical filter is followed successively by corresponding wavelength.
Have a plurality of ladder counterbores on the described optical fiber mount pad.
Advantage and effect that the utility model had are:
1, the utility model Biochemical Analyzer forms closed cavity with shielded backplane, optical fiber mount pad and the radome of arrangement for generating multi-beams, circuit board and on photoelectric cell all be positioned at closed cavity, the sealed whole structure is isolated photoelectric cell and circuit board and the external world fully, has effectively prevented the interference of external electromagnetic and extraneous light.
2, the utility model Biochemical Analyzer is the optical fiber head of fixed focus lenses with the optical fiber head of arrangement for generating multi-beams, and is reliable and stable.
3, the utility model Biochemical Analyzer is simple in structure with arrangement for generating multi-beams, realizes easily.
Description of drawings
Fig. 1 is the three-dimensional structure diagram of the utility model Biochemical Analyzer with arrangement for generating multi-beams;
Fig. 2 is the cut-open view of the utility model Biochemical Analyzer with arrangement for generating multi-beams;
Fig. 3 is the three-dimensional structure diagram of the utility model Biochemical Analyzer with the optical fiber head of arrangement for generating multi-beams;
Fig. 4 is the cut-open view of the utility model Biochemical Analyzer with the optical fiber head of arrangement for generating multi-beams.
Among the figure: optical fiber head 1; Optical filter 2; Optical fiber mount pad 3; Photoelectric cell 4; Shielded backplane 5; Radome 6; Closed cavity 7; Optical fiber 11 more than one minute; Optical fiber fixed cover 12; Ladder counterbore 121; Screw 13; Condenser lens 14; Lens hold-down ring 15; Locating sleeve 16; Screw 32; Ladder counterbore 31.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 1, 2, the utility model Biochemical Analyzer arrangement for generating multi-beams is the back beam splitting system, includes optical fiber head 1, optical filter 2, optical fiber mount pad 3, photoelectric cell 4, shielded backplane 5 and radome 6, wherein:
Described optical fiber mount pad 3 is provided with circuit board, photoelectric cell 4 is installed on the circuit board, described shielded backplane 5, optical fiber mount pad 3 and radome 6 form closed cavities 7, circuit board and on photoelectric cell 4 all be positioned at closed cavity 7, have nine ladder counterbores 31 on the optical fiber mount pad 3.
Described optical filter 2 is provided with an optical filter 2 for being followed successively by corresponding wavelength and being arranged in the ladder counterbore 31 in each ladder counterbore 31.
Described optical fiber head 1 is inserted in the ladder counterbore 31 and is positioned at an end of optical filter 2, optical filter 2 is pressed in the ladder counterbore of optical fiber mount pad 3, and be fixed on the optical fiber mount pad 3 from side with a screw 32, form the fixed form of optic fibre end and condenser lens.
As Fig. 3, shown in 4, described optical fiber head 1 is by optical fiber 11 more than one minute, optical fiber fixed cover 12, screw 13, condenser lens 14, lens hold-down ring 15 and locating sleeve 16 are formed, one end of optical fiber 11 more than one minute is sleeved in the circular hole of optical fiber fixed cover 12, and fix in the side with a screw 13, the other end at optical fiber fixed cover 12 is provided with a ladder counterbore 121, in ladder counterbore 121, be provided with a condenser lens 14, on lens hold-down ring 15 pads of the opposite side of condenser lens 14 with a rubber material, the end outer setting that optical fiber fixed cover 12 is provided with ladder counterbore 121 has screw thread, screw thread on this screw thread and the locating sleeve 16 is complementary, formation is threaded, when screwed in place overlaps 16, locating sleeve 16 compresses lens hold-down ring 15, thereby condenser lens 14 is fixed on the optical fiber fixed cover 12.Optical fiber 11 is divided into nine the tunnel with the light that light source sends more than one minute, and wherein each road is fixing with an optical fiber head 1.
The screen method of the utility model light path is as follows:
Circuit board is installed on the optical fiber mount pad 3, optical fiber mount pad 3, shielded backplane 5,6 three parts of radome form a closed cavity 7, with circuit board and on photoelectric cell 4 complete closed, intercept outside electromagnetic interference, and intercept the interference of light the photoelectric cell on the circuit board 4.
The explanation of the utility model being done in conjunction with the foregoing description only is used to understand enforcement of the present utility model; non-ly be used to limit the utility model; by above explanation; those skilled in the art are not in breaking away from technological thought scope of the present utility model; can make numerous variations and revision; therefore, protection domain of the present utility model is defined with the claim scope of patent.
Claims (4)
1. Biochemical Analyzer arrangement for generating multi-beams, include optical fiber head, optical filter, optical fiber mount pad, photoelectric cell, shielded backplane and radome, the optical fiber mount pad is provided with circuit board, photoelectric cell is installed on the circuit board, it is characterized in that described shielded backplane, optical fiber mount pad and radome form closed cavity, circuit board and on photoelectric cell all be positioned at closed cavity, have the ladder counterbore on the optical fiber mount pad, be provided with optical filter in the ladder counterbore, optical fiber head is inserted in the ladder counterbore optical filter is compressed, and is screwed on the optical fiber mount pad.
2. Biochemical Analyzer arrangement for generating multi-beams according to claim 1, it is characterized in that described optical fiber head is made up of optical fiber more than one minute, optical fiber fixed cover, screw, condenser lens, lens hold-down ring and locating sleeve, be set with optical fiber more than one minute in one end of optical fiber fixed cover, and fix in the side with screw, the other end of optical fiber fixed cover is provided with the ladder counterbore, in the ladder counterbore, condenser lens is installed, the opposite side of condenser lens is lined with the lens hold-down ring, and the optical fiber fixed cover is threaded with locating sleeve.
3. Biochemical Analyzer arrangement for generating multi-beams according to claim 1 and 2 is characterized in that described optical filter is followed successively by corresponding wavelength.
4. Biochemical Analyzer arrangement for generating multi-beams according to claim 1 is characterized in that having on the described optical fiber mount pad a plurality of ladder counterbores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201673398U CN201653889U (en) | 2010-04-16 | 2010-04-16 | Multipath light splitting device for biochemical analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201673398U CN201653889U (en) | 2010-04-16 | 2010-04-16 | Multipath light splitting device for biochemical analyzer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201653889U true CN201653889U (en) | 2010-11-24 |
Family
ID=43119132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201673398U Expired - Fee Related CN201653889U (en) | 2010-04-16 | 2010-04-16 | Multipath light splitting device for biochemical analyzer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201653889U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519689A (en) * | 2011-11-30 | 2012-06-27 | 许继集团有限公司 | Water leakage detection device of valve tower of converter valve |
-
2010
- 2010-04-16 CN CN2010201673398U patent/CN201653889U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102519689A (en) * | 2011-11-30 | 2012-06-27 | 许继集团有限公司 | Water leakage detection device of valve tower of converter valve |
| CN102519689B (en) * | 2011-11-30 | 2015-03-04 | 许继电气股份有限公司 | Water leakage detection device of valve tower of converter valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20101124 Termination date: 20180416 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |